drivers/message/fusion/mptbase.c

   1 /*
   2  *  linux/drivers/message/fusion/mptbase.c
   3  *      This is the Fusion MPT base driver which supports multiple
   4  *      (SCSI + LAN) specialized protocol drivers.
   5  *      For use with LSI PCI chip/adapter(s)
   6  *      running LSI Fusion MPT (Message Passing Technology) firmware.
   7  *
   8  *  Copyright (c) 1999-2007 LSI Corporation
   9  *  (mailto:DL-MPTFusionLinux@lsi.com)
  10  *
  11  */
  12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  13 /*
  14     This program is free software; you can redistribute it and/or modify
  15     it under the terms of the GNU General Public License as published by
  16     the Free Software Foundation; version 2 of the License.
  17
  18     This program is distributed in the hope that it will be useful,
  19     but WITHOUT ANY WARRANTY; without even the implied warranty of
  20     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21     GNU General Public License for more details.
  22
  23     NO WARRANTY
  24     THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  25     CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  26     LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  27     MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  28     solely responsible for determining the appropriateness of using and
  29     distributing the Program and assumes all risks associated with its
  30     exercise of rights under this Agreement, including but not limited to
  31     the risks and costs of program errors, damage to or loss of data,
  32     programs or equipment, and unavailability or interruption of operations.
  33
  34     DISCLAIMER OF LIABILITY
  35     NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  36     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37     DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  38     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  39     TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  40     USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  41     HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  42
  43     You should have received a copy of the GNU General Public License
  44     along with this program; if not, write to the Free Software
  45     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  46 */
  47 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  48
  49 #include <linux/kernel.h>
  50 #include <linux/module.h>
  51 #include <linux/errno.h>
  52 #include <linux/init.h>
  53 #include <linux/slab.h>
  54 #include <linux/types.h>
  55 #include <linux/pci.h>
  56 #include <linux/kdev_t.h>
  57 #include <linux/blkdev.h>
  58 #include <linux/delay.h>
  59 #include <linux/interrupt.h>            /* needed for in_interrupt() proto */
  60 #include <linux/dma-mapping.h>
  61 #include <asm/io.h>
  62 #ifdef CONFIG_MTRR
  63 #include <asm/mtrr.h>
  64 #endif
  65
  66 #include "mptbase.h"
  67 #include "lsi/mpi_log_fc.h"
  68
  69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  70 #define my_NAME         "Fusion MPT base driver"
  71 #define my_VERSION      MPT_LINUX_VERSION_COMMON
  72 #define MYNAM           "mptbase"
  73
  74 MODULE_AUTHOR(MODULEAUTHOR);
  75 MODULE_DESCRIPTION(my_NAME);
  76 MODULE_LICENSE("GPL");
  77 MODULE_VERSION(my_VERSION);
  78
  79 /*
  80  *  cmd line parameters
  81  */
  82 static int mpt_msi_enable;
  83 module_param(mpt_msi_enable, int, 0);
  84 MODULE_PARM_DESC(mpt_msi_enable, " MSI Support Enable (default=0)");
  85
  86 static int mpt_channel_mapping;
  87 module_param(mpt_channel_mapping, int, 0);
  88 MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");
  89
  90 static int mpt_debug_level;
  91 static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
  92 module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
  93                   &mpt_debug_level, 0600);
  94 MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h - (default=0)");
  95
  96 #ifdef MFCNT
  97 static int mfcounter = 0;
  98 #define PRINT_MF_COUNT 20000
  99 #endif
 100
 101 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 102 /*
 103  *  Public data...
 104  */
 105
 106 struct proc_dir_entry *mpt_proc_root_dir;
 107
 108 #define WHOINIT_UNKNOWN         0xAA
 109
 110 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 111 /*
 112  *  Private data...
 113  */
 114                                         /* Adapter link list */
 115 LIST_HEAD(ioc_list);
 116                                         /* Callback lookup table */
 117 static MPT_CALLBACK              MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
 118                                         /* Protocol driver class lookup table */
 119 static int                       MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
 120                                         /* Event handler lookup table */
 121 static MPT_EVHANDLER             MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 122                                         /* Reset handler lookup table */
 123 static MPT_RESETHANDLER          MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 124 static struct mpt_pci_driver    *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 125
 126 static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);
 127
 128 /*
 129  *  Driver Callback Index's
 130  */
 131 static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
 132 static u8 last_drv_idx;
 133
 134 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 135 /*
 136  *  Forward protos...
 137  */
 138 static irqreturn_t mpt_interrupt(int irq, void *bus_id);
 139 static int      mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 140 static int      mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
 141                         u32 *req, int replyBytes, u16 *u16reply, int maxwait,
 142                         int sleepFlag);
 143 static int      mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
 144 static void     mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
 145 static void     mpt_adapter_disable(MPT_ADAPTER *ioc);
 146 static void     mpt_adapter_dispose(MPT_ADAPTER *ioc);
 147
 148 static void     MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
 149 static int      MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
 150 static int      GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
 151 static int      GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
 152 static int      SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
 153 static int      SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
 154 static int      mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
 155 static int      mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag);
 156 static int      mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
 157 static int      KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
 158 static int      SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
 159 static int      PrimeIocFifos(MPT_ADAPTER *ioc);
 160 static int      WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 161 static int      WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 162 static int      WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 163 static int      GetLanConfigPages(MPT_ADAPTER *ioc);
 164 static int      GetIoUnitPage2(MPT_ADAPTER *ioc);
 165 int             mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 166 static int      mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
 167 static int      mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
 168 static void     mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
 169 static void     mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
 170 static void     mpt_timer_expired(unsigned long data);
 171 static void     mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
 172 static int      SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
 173 static int      SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
 174 static int      mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
 175 static int      mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
 176
 177 #ifdef CONFIG_PROC_FS
 178 static int      procmpt_summary_read(char *buf, char **start, off_t offset,
 179                                 int request, int *eof, void *data);
 180 static int      procmpt_version_read(char *buf, char **start, off_t offset,
 181                                 int request, int *eof, void *data);
 182 static int      procmpt_iocinfo_read(char *buf, char **start, off_t offset,
 183                                 int request, int *eof, void *data);
 184 #endif
 185 static void     mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
 186
 187 //int           mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 188 static int      ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
 189 static void     mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
 190 static void     mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
 191 static void     mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
 192 static void     mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info);
 193 static int      mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
 194 static void     mpt_inactive_raid_list_free(MPT_ADAPTER *ioc);
 195
 196 /* module entry point */
 197 static int  __init    fusion_init  (void);
 198 static void __exit    fusion_exit  (void);
 199
 200 #define CHIPREG_READ32(addr)            readl_relaxed(addr)
 201 #define CHIPREG_READ32_dmasync(addr)    readl(addr)
 202 #define CHIPREG_WRITE32(addr,val)       writel(val, addr)
 203 #define CHIPREG_PIO_WRITE32(addr,val)   outl(val, (unsigned long)addr)
 204 #define CHIPREG_PIO_READ32(addr)        inl((unsigned long)addr)
 205
 206 static void
 207 pci_disable_io_access(struct pci_dev *pdev)
 208 {
 209         u16 command_reg;
 210
 211         pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
 212         command_reg &= ~1;
 213         pci_write_config_word(pdev, PCI_COMMAND, command_reg);
 214 }
 215
 216 static void
 217 pci_enable_io_access(struct pci_dev *pdev)
 218 {
 219         u16 command_reg;
 220
 221         pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
 222         command_reg |= 1;
 223         pci_write_config_word(pdev, PCI_COMMAND, command_reg);
 224 }
 225
 226 static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
 227 {
 228         int ret = param_set_int(val, kp);
 229         MPT_ADAPTER *ioc;
 230
 231         if (ret)
 232                 return ret;
 233
 234         list_for_each_entry(ioc, &ioc_list, list)
 235                 ioc->debug_level = mpt_debug_level;
 236         return 0;
 237 }
 238
 239 /**
 240  *      mpt_get_cb_idx - obtain cb_idx for registered driver
 241  *      @dclass: class driver enum
 242  *
 243  *      Returns cb_idx, or zero means it wasn't found
 244  **/
 245 static u8
 246 mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
 247 {
 248         u8 cb_idx;
 249
 250         for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
 251                 if (MptDriverClass[cb_idx] == dclass)
 252                         return cb_idx;
 253         return 0;
 254 }
 255
 256 /*
 257  *  Process turbo (context) reply...
 258  */
 259 static void
 260 mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
 261 {
 262         MPT_FRAME_HDR *mf = NULL;
 263         MPT_FRAME_HDR *mr = NULL;
 264         u16 req_idx = 0;
 265         u8 cb_idx;
 266
 267         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
 268                                 ioc->name, pa));
 269
 270         switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) {
 271         case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
 272                 req_idx = pa & 0x0000FFFF;
 273                 cb_idx = (pa & 0x00FF0000) >> 16;
 274                 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 275                 break;
 276         case MPI_CONTEXT_REPLY_TYPE_LAN:
 277                 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
 278                 /*
 279                  *  Blind set of mf to NULL here was fatal
 280                  *  after lan_reply says "freeme"
 281                  *  Fix sort of combined with an optimization here;
 282                  *  added explicit check for case where lan_reply
 283                  *  was just returning 1 and doing nothing else.
 284                  *  For this case skip the callback, but set up
 285                  *  proper mf value first here:-)
 286                  */
 287                 if ((pa & 0x58000000) == 0x58000000) {
 288                         req_idx = pa & 0x0000FFFF;
 289                         mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 290                         mpt_free_msg_frame(ioc, mf);
 291                         mb();
 292                         return;
 293                         break;
 294                 }
 295                 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
 296                 break;
 297         case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
 298                 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
 299                 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
 300                 break;
 301         default:
 302                 cb_idx = 0;
 303                 BUG();
 304         }
 305
 306         /*  Check for (valid) IO callback!  */
 307         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
 308                 MptCallbacks[cb_idx] == NULL) {
 309                 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
 310                                 __FUNCTION__, ioc->name, cb_idx);
 311                 goto out;
 312         }
 313
 314         if (MptCallbacks[cb_idx](ioc, mf, mr))
 315                 mpt_free_msg_frame(ioc, mf);
 316  out:
 317         mb();
 318 }
 319
 320 static void
 321 mpt_reply(MPT_ADAPTER *ioc, u32 pa)
 322 {
 323         MPT_FRAME_HDR   *mf;
 324         MPT_FRAME_HDR   *mr;
 325         u16              req_idx;
 326         u8               cb_idx;
 327         int              freeme;
 328
 329         u32 reply_dma_low;
 330         u16 ioc_stat;
 331
 332         /* non-TURBO reply!  Hmmm, something may be up...
 333          *  Newest turbo reply mechanism; get address
 334          *  via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
 335          */
 336
 337         /* Map DMA address of reply header to cpu address.
 338          * pa is 32 bits - but the dma address may be 32 or 64 bits
 339          * get offset based only only the low addresses
 340          */
 341
 342         reply_dma_low = (pa <<= 1);
 343         mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
 344                          (reply_dma_low - ioc->reply_frames_low_dma));
 345
 346         req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
 347         cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
 348         mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 349
 350         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
 351                         ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
 352         DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
 353
 354          /*  Check/log IOC log info
 355          */
 356         ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
 357         if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
 358                 u32      log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
 359                 if (ioc->bus_type == FC)
 360                         mpt_fc_log_info(ioc, log_info);
 361                 else if (ioc->bus_type == SPI)
 362                         mpt_spi_log_info(ioc, log_info);
 363                 else if (ioc->bus_type == SAS)
 364                         mpt_sas_log_info(ioc, log_info);
 365         }
 366
 367         if (ioc_stat & MPI_IOCSTATUS_MASK)
 368                 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
 369
 370         /*  Check for (valid) IO callback!  */
 371         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
 372                 MptCallbacks[cb_idx] == NULL) {
 373                 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
 374                                 __FUNCTION__, ioc->name, cb_idx);
 375                 freeme = 0;
 376                 goto out;
 377         }
 378
 379         freeme = MptCallbacks[cb_idx](ioc, mf, mr);
 380
 381  out:
 382         /*  Flush (non-TURBO) reply with a WRITE!  */
 383         CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
 384
 385         if (freeme)
 386                 mpt_free_msg_frame(ioc, mf);
 387         mb();
 388 }
 389
 390 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 391 /**
 392  *      mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
 393  *      @irq: irq number (not used)
 394  *      @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
 395  *
 396  *      This routine is registered via the request_irq() kernel API call,
 397  *      and handles all interrupts generated from a specific MPT adapter
 398  *      (also referred to as a IO Controller or IOC).
 399  *      This routine must clear the interrupt from the adapter and does
 400  *      so by reading the reply FIFO.  Multiple replies may be processed
 401  *      per single call to this routine.
 402  *
 403  *      This routine handles register-level access of the adapter but
 404  *      dispatches (calls) a protocol-specific callback routine to handle
 405  *      the protocol-specific details of the MPT request completion.
 406  */
 407 static irqreturn_t
 408 mpt_interrupt(int irq, void *bus_id)
 409 {
 410         MPT_ADAPTER *ioc = bus_id;
 411         u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
 412
 413         if (pa == 0xFFFFFFFF)
 414                 return IRQ_NONE;
 415
 416         /*
 417          *  Drain the reply FIFO!
 418          */
 419         do {
 420                 if (pa & MPI_ADDRESS_REPLY_A_BIT)
 421                         mpt_reply(ioc, pa);
 422                 else
 423                         mpt_turbo_reply(ioc, pa);
 424                 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
 425         } while (pa != 0xFFFFFFFF);
 426
 427         return IRQ_HANDLED;
 428 }
 429
 430 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 431 /**
 432  *      mpt_base_reply - MPT base driver's callback routine
 433  *      @ioc: Pointer to MPT_ADAPTER structure
 434  *      @mf: Pointer to original MPT request frame
 435  *      @reply: Pointer to MPT reply frame (NULL if TurboReply)
 436  *
 437  *      MPT base driver's callback routine; all base driver
 438  *      "internal" request/reply processing is routed here.
 439  *      Currently used for EventNotification and EventAck handling.
 440  *
 441  *      Returns 1 indicating original alloc'd request frame ptr
 442  *      should be freed, or 0 if it shouldn't.
 443  */
 444 static int
 445 mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 446 {
 447         int freereq = 1;
 448         u8 func;
 449
 450         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply() called\n", ioc->name));
 451 #ifdef CONFIG_FUSION_LOGGING
 452         if ((ioc->debug_level & MPT_DEBUG_MSG_FRAME) &&
 453                         !(reply->u.hdr.MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)) {
 454                 dmfprintk(ioc, printk(MYIOC_s_INFO_FMT ": Original request frame (@%p) header\n",
 455                     ioc->name, mf));
 456                 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)mf);
 457         }
 458 #endif
 459
 460         func = reply->u.hdr.Function;
 461         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, Function=%02Xh\n",
 462                         ioc->name, func));
 463
 464         if (func == MPI_FUNCTION_EVENT_NOTIFICATION) {
 465                 EventNotificationReply_t *pEvReply = (EventNotificationReply_t *) reply;
 466                 int evHandlers = 0;
 467                 int results;
 468
 469                 results = ProcessEventNotification(ioc, pEvReply, &evHandlers);
 470                 if (results != evHandlers) {
 471                         /* CHECKME! Any special handling needed here? */
 472                         devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Called %d event handlers, sum results = %d\n",
 473                                         ioc->name, evHandlers, results));
 474                 }
 475
 476                 /*
 477                  *      Hmmm...  It seems that EventNotificationReply is an exception
 478                  *      to the rule of one reply per request.
 479                  */
 480                 if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) {
 481                         freereq = 0;
 482                 } else {
 483                         devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p returns Request frame\n",
 484                                 ioc->name, pEvReply));
 485                 }
 486
 487 #ifdef CONFIG_PROC_FS
 488 //              LogEvent(ioc, pEvReply);
 489 #endif
 490
 491         } else if (func == MPI_FUNCTION_EVENT_ACK) {
 492                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, EventAck reply received\n",
 493                                 ioc->name));
 494         } else if (func == MPI_FUNCTION_CONFIG) {
 495                 CONFIGPARMS *pCfg;
 496                 unsigned long flags;
 497
 498                 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "config_complete (mf=%p,mr=%p)\n",
 499                                 ioc->name, mf, reply));
 500
 501                 pCfg = * ((CONFIGPARMS **)((u8 *) mf + ioc->req_sz - sizeof(void *)));
 502
 503                 if (pCfg) {
 504                         /* disable timer and remove from linked list */
 505                         del_timer(&pCfg->timer);
 506
 507                         spin_lock_irqsave(&ioc->FreeQlock, flags);
 508                         list_del(&pCfg->linkage);
 509                         spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 510
 511                         /*
 512                          *      If IOC Status is SUCCESS, save the header
 513                          *      and set the status code to GOOD.
 514                          */
 515                         pCfg->status = MPT_CONFIG_ERROR;
 516                         if (reply) {
 517                                 ConfigReply_t   *pReply = (ConfigReply_t *)reply;
 518                                 u16              status;
 519
 520                                 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
 521                                 dcprintk(ioc, printk(MYIOC_s_NOTE_FMT "  IOCStatus=%04xh, IOCLogInfo=%08xh\n",
 522                                      ioc->name, status, le32_to_cpu(pReply->IOCLogInfo)));
 523
 524                                 pCfg->status = status;
 525                                 if (status == MPI_IOCSTATUS_SUCCESS) {
 526                                         if ((pReply->Header.PageType &
 527                                             MPI_CONFIG_PAGETYPE_MASK) ==
 528                                             MPI_CONFIG_PAGETYPE_EXTENDED) {
 529                                                 pCfg->cfghdr.ehdr->ExtPageLength =
 530                                                     le16_to_cpu(pReply->ExtPageLength);
 531                                                 pCfg->cfghdr.ehdr->ExtPageType =
 532                                                     pReply->ExtPageType;
 533                                         }
 534                                         pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
 535
 536                                         /* If this is a regular header, save PageLength. */
 537                                         /* LMP Do this better so not using a reserved field! */
 538                                         pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
 539                                         pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
 540                                         pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
 541                                 }
 542                         }
 543
 544                         /*
 545                          *      Wake up the original calling thread
 546                          */
 547                         pCfg->wait_done = 1;
 548                         wake_up(&mpt_waitq);
 549                 }
 550         } else if (func == MPI_FUNCTION_SAS_IO_UNIT_CONTROL) {
 551                 /* we should be always getting a reply frame */
 552                 memcpy(ioc->persist_reply_frame, reply,
 553                     min(MPT_DEFAULT_FRAME_SIZE,
 554                     4*reply->u.reply.MsgLength));
 555                 del_timer(&ioc->persist_timer);
 556                 ioc->persist_wait_done = 1;
 557                 wake_up(&mpt_waitq);
 558         } else {
 559                 printk(MYIOC_s_ERR_FMT "Unexpected msg function (=%02Xh) reply received!\n",
 560                                 ioc->name, func);
 561         }
 562
 563         /*
 564          *      Conditionally tell caller to free the original
 565          *      EventNotification/EventAck/unexpected request frame!
 566          */
 567         return freereq;
 568 }
 569
 570 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 571 /**
 572  *      mpt_register - Register protocol-specific main callback handler.
 573  *      @cbfunc: callback function pointer
 574  *      @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
 575  *
 576  *      This routine is called by a protocol-specific driver (SCSI host,
 577  *      LAN, SCSI target) to register its reply callback routine.  Each
 578  *      protocol-specific driver must do this before it will be able to
 579  *      use any IOC resources, such as obtaining request frames.
 580  *
 581  *      NOTES: The SCSI protocol driver currently calls this routine thrice
 582  *      in order to register separate callbacks; one for "normal" SCSI IO;
 583  *      one for MptScsiTaskMgmt requests; one for Scan/DV requests.
 584  *
 585  *      Returns u8 valued "handle" in the range (and S.O.D. order)
 586  *      {N,...,7,6,5,...,1} if successful.
 587  *      A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
 588  *      considered an error by the caller.
 589  */
 590 u8
 591 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
 592 {
 593         u8 cb_idx;
 594         last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
 595
 596         /*
 597          *  Search for empty callback slot in this order: {N,...,7,6,5,...,1}
 598          *  (slot/handle 0 is reserved!)
 599          */
 600         for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
 601                 if (MptCallbacks[cb_idx] == NULL) {
 602                         MptCallbacks[cb_idx] = cbfunc;
 603                         MptDriverClass[cb_idx] = dclass;
 604                         MptEvHandlers[cb_idx] = NULL;
 605                         last_drv_idx = cb_idx;
 606                         break;
 607                 }
 608         }
 609
 610         return last_drv_idx;
 611 }
 612
 613 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 614 /**
 615  *      mpt_deregister - Deregister a protocol drivers resources.
 616  *      @cb_idx: previously registered callback handle
 617  *
 618  *      Each protocol-specific driver should call this routine when its
 619  *      module is unloaded.
 620  */
 621 void
 622 mpt_deregister(u8 cb_idx)
 623 {
 624         if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
 625                 MptCallbacks[cb_idx] = NULL;
 626                 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
 627                 MptEvHandlers[cb_idx] = NULL;
 628
 629                 last_drv_idx++;
 630         }
 631 }
 632
 633 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 634 /**
 635  *      mpt_event_register - Register protocol-specific event callback handler.
 636  *      @cb_idx: previously registered (via mpt_register) callback handle
 637  *      @ev_cbfunc: callback function
 638  *
 639  *      This routine can be called by one or more protocol-specific drivers
 640  *      if/when they choose to be notified of MPT events.
 641  *
 642  *      Returns 0 for success.
 643  */
 644 int
 645 mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
 646 {
 647         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 648                 return -1;
 649
 650         MptEvHandlers[cb_idx] = ev_cbfunc;
 651         return 0;
 652 }
 653
 654 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 655 /**
 656  *      mpt_event_deregister - Deregister protocol-specific event callback handler
 657  *      @cb_idx: previously registered callback handle
 658  *
 659  *      Each protocol-specific driver should call this routine
 660  *      when it does not (or can no longer) handle events,
 661  *      or when its module is unloaded.
 662  */
 663 void
 664 mpt_event_deregister(u8 cb_idx)
 665 {
 666         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 667                 return;
 668
 669         MptEvHandlers[cb_idx] = NULL;
 670 }
 671
 672 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 673 /**
 674  *      mpt_reset_register - Register protocol-specific IOC reset handler.
 675  *      @cb_idx: previously registered (via mpt_register) callback handle
 676  *      @reset_func: reset function
 677  *
 678  *      This routine can be called by one or more protocol-specific drivers
 679  *      if/when they choose to be notified of IOC resets.
 680  *
 681  *      Returns 0 for success.
 682  */
 683 int
 684 mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
 685 {
 686         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 687                 return -1;
 688
 689         MptResetHandlers[cb_idx] = reset_func;
 690         return 0;
 691 }
 692
 693 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 694 /**
 695  *      mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
 696  *      @cb_idx: previously registered callback handle
 697  *
 698  *      Each protocol-specific driver should call this routine
 699  *      when it does not (or can no longer) handle IOC reset handling,
 700  *      or when its module is unloaded.
 701  */
 702 void
 703 mpt_reset_deregister(u8 cb_idx)
 704 {
 705         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 706                 return;
 707
 708         MptResetHandlers[cb_idx] = NULL;
 709 }
 710
 711 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 712 /**
 713  *      mpt_device_driver_register - Register device driver hooks
 714  *      @dd_cbfunc: driver callbacks struct
 715  *      @cb_idx: MPT protocol driver index
 716  */
 717 int
 718 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
 719 {
 720         MPT_ADAPTER     *ioc;
 721         const struct pci_device_id *id;
 722
 723         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 724                 return -EINVAL;
 725
 726         MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
 727
 728         /* call per pci device probe entry point */
 729         list_for_each_entry(ioc, &ioc_list, list) {
 730                 id = ioc->pcidev->driver ?
 731                     ioc->pcidev->driver->id_table : NULL;
 732                 if (dd_cbfunc->probe)
 733                         dd_cbfunc->probe(ioc->pcidev, id);
 734          }
 735
 736         return 0;
 737 }
 738
 739 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 740 /**
 741  *      mpt_device_driver_deregister - DeRegister device driver hooks
 742  *      @cb_idx: MPT protocol driver index
 743  */
 744 void
 745 mpt_device_driver_deregister(u8 cb_idx)
 746 {
 747         struct mpt_pci_driver *dd_cbfunc;
 748         MPT_ADAPTER     *ioc;
 749
 750         if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 751                 return;
 752
 753         dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
 754
 755         list_for_each_entry(ioc, &ioc_list, list) {
 756                 if (dd_cbfunc->remove)
 757                         dd_cbfunc->remove(ioc->pcidev);
 758         }
 759
 760         MptDeviceDriverHandlers[cb_idx] = NULL;
 761 }
 762
 763
 764 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 765 /**
 766  *      mpt_get_msg_frame - Obtain an MPT request frame from the pool
 767  *      @cb_idx: Handle of registered MPT protocol driver
 768  *      @ioc: Pointer to MPT adapter structure
 769  *
 770  *      Obtain an MPT request frame from the pool (of 1024) that are
 771  *      allocated per MPT adapter.
 772  *
 773  *      Returns pointer to a MPT request frame or %NULL if none are available
 774  *      or IOC is not active.
 775  */
 776 MPT_FRAME_HDR*
 777 mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
 778 {
 779         MPT_FRAME_HDR *mf;
 780         unsigned long flags;
 781         u16      req_idx;       /* Request index */
 782
 783         /* validate handle and ioc identifier */
 784
 785 #ifdef MFCNT
 786         if (!ioc->active)
 787                 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
 788                     "returning NULL!\n", ioc->name);
 789 #endif
 790
 791         /* If interrupts are not attached, do not return a request frame */
 792         if (!ioc->active)
 793                 return NULL;
 794
 795         spin_lock_irqsave(&ioc->FreeQlock, flags);
 796         if (!list_empty(&ioc->FreeQ)) {
 797                 int req_offset;
 798
 799                 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
 800                                 u.frame.linkage.list);
 801                 list_del(&mf->u.frame.linkage.list);
 802                 mf->u.frame.linkage.arg1 = 0;
 803                 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;  /* byte */
 804                 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
 805                                                                 /* u16! */
 806                 req_idx = req_offset / ioc->req_sz;
 807                 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
 808                 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
 809                 /* Default, will be changed if necessary in SG generation */
 810                 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
 811 #ifdef MFCNT
 812                 ioc->mfcnt++;
 813 #endif
 814         }
 815         else
 816                 mf = NULL;
 817         spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 818
 819 #ifdef MFCNT
 820         if (mf == NULL)
 821                 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
 822                     "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
 823                     ioc->req_depth);
 824         mfcounter++;
 825         if (mfcounter == PRINT_MF_COUNT)
 826                 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
 827                     ioc->mfcnt, ioc->req_depth);
 828 #endif
 829
 830         dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
 831             ioc->name, cb_idx, ioc->id, mf));
 832         return mf;
 833 }
 834
 835 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 836 /**
 837  *      mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
 838  *      @cb_idx: Handle of registered MPT protocol driver
 839  *      @ioc: Pointer to MPT adapter structure
 840  *      @mf: Pointer to MPT request frame
 841  *
 842  *      This routine posts an MPT request frame to the request post FIFO of a
 843  *      specific MPT adapter.
 844  */
 845 void
 846 mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 847 {
 848         u32 mf_dma_addr;
 849         int req_offset;
 850         u16      req_idx;       /* Request index */
 851
 852         /* ensure values are reset properly! */
 853         mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;          /* byte */
 854         req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
 855                                                                 /* u16! */
 856         req_idx = req_offset / ioc->req_sz;
 857         mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
 858         mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
 859
 860         DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
 861
 862         mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
 863         dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
 864             "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
 865             ioc->RequestNB[req_idx]));
 866         CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
 867 }
 868
 869 /**
 870  *      mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
 871  *      @cb_idx: Handle of registered MPT protocol driver
 872  *      @ioc: Pointer to MPT adapter structure
 873  *      @mf: Pointer to MPT request frame
 874  *
 875  *      Send a protocol-specific MPT request frame to an IOC using
 876  *      hi-priority request queue.
 877  *
 878  *      This routine posts an MPT request frame to the request post FIFO of a
 879  *      specific MPT adapter.
 880  **/
 881 void
 882 mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 883 {
 884         u32 mf_dma_addr;
 885         int req_offset;
 886         u16      req_idx;       /* Request index */
 887
 888         /* ensure values are reset properly! */
 889         mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
 890         req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
 891         req_idx = req_offset / ioc->req_sz;
 892         mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
 893         mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
 894
 895         DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
 896
 897         mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
 898         dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
 899                 ioc->name, mf_dma_addr, req_idx));
 900         CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
 901 }
 902
 903 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 904 /**
 905  *      mpt_free_msg_frame - Place MPT request frame back on FreeQ.
 906  *      @handle: Handle of registered MPT protocol driver
 907  *      @ioc: Pointer to MPT adapter structure
 908  *      @mf: Pointer to MPT request frame
 909  *
 910  *      This routine places a MPT request frame back on the MPT adapter's
 911  *      FreeQ.
 912  */
 913 void
 914 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 915 {
 916         unsigned long flags;
 917
 918         /*  Put Request back on FreeQ!  */
 919         spin_lock_irqsave(&ioc->FreeQlock, flags);
 920         mf->u.frame.linkage.arg1 = 0xdeadbeaf; /* signature to know if this mf is freed */
 921         list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
 922 #ifdef MFCNT
 923         ioc->mfcnt--;
 924 #endif
 925         spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 926 }
 927
 928 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 929 /**
 930  *      mpt_add_sge - Place a simple SGE at address pAddr.
 931  *      @pAddr: virtual address for SGE
 932  *      @flagslength: SGE flags and data transfer length
 933  *      @dma_addr: Physical address
 934  *
 935  *      This routine places a MPT request frame back on the MPT adapter's
 936  *      FreeQ.
 937  */
 938 void
 939 mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
 940 {
 941         if (sizeof(dma_addr_t) == sizeof(u64)) {
 942                 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
 943                 u32 tmp = dma_addr & 0xFFFFFFFF;
 944
 945                 pSge->FlagsLength = cpu_to_le32(flagslength);
 946                 pSge->Address.Low = cpu_to_le32(tmp);
 947                 tmp = (u32) ((u64)dma_addr >> 32);
 948                 pSge->Address.High = cpu_to_le32(tmp);
 949
 950         } else {
 951                 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
 952                 pSge->FlagsLength = cpu_to_le32(flagslength);
 953                 pSge->Address = cpu_to_le32(dma_addr);
 954         }
 955 }
 956
 957 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 958 /**
 959  *      mpt_send_handshake_request - Send MPT request via doorbell handshake method.
 960  *      @cb_idx: Handle of registered MPT protocol driver
 961  *      @ioc: Pointer to MPT adapter structure
 962  *      @reqBytes: Size of the request in bytes
 963  *      @req: Pointer to MPT request frame
 964  *      @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 965  *
 966  *      This routine is used exclusively to send MptScsiTaskMgmt
 967  *      requests since they are required to be sent via doorbell handshake.
 968  *
 969  *      NOTE: It is the callers responsibility to byte-swap fields in the
 970  *      request which are greater than 1 byte in size.
 971  *
 972  *      Returns 0 for success, non-zero for failure.
 973  */
 974 int
 975 mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
 976 {
 977         int     r = 0;
 978         u8      *req_as_bytes;
 979         int      ii;
 980
 981         /* State is known to be good upon entering
 982          * this function so issue the bus reset
 983          * request.
 984          */
 985
 986         /*
 987          * Emulate what mpt_put_msg_frame() does /wrt to sanity
 988          * setting cb_idx/req_idx.  But ONLY if this request
 989          * is in proper (pre-alloc'd) request buffer range...
 990          */
 991         ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
 992         if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
 993                 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
 994                 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
 995                 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
 996         }
 997
 998         /* Make sure there are no doorbells */
 999         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1000
1001         CHIPREG_WRITE32(&ioc->chip->Doorbell,
1002                         ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
1003                          ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
1004
1005         /* Wait for IOC doorbell int */
1006         if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
1007                 return ii;
1008         }
1009
1010         /* Read doorbell and check for active bit */
1011         if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
1012                 return -5;
1013
1014         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1015                 ioc->name, ii));
1016
1017         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1018
1019         if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1020                 return -2;
1021         }
1022
1023         /* Send request via doorbell handshake */
1024         req_as_bytes = (u8 *) req;
1025         for (ii = 0; ii < reqBytes/4; ii++) {
1026                 u32 word;
1027
1028                 word = ((req_as_bytes[(ii*4) + 0] <<  0) |
1029                         (req_as_bytes[(ii*4) + 1] <<  8) |
1030                         (req_as_bytes[(ii*4) + 2] << 16) |
1031                         (req_as_bytes[(ii*4) + 3] << 24));
1032                 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
1033                 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1034                         r = -3;
1035                         break;
1036                 }
1037         }
1038
1039         if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
1040                 r = 0;
1041         else
1042                 r = -4;
1043
1044         /* Make sure there are no doorbells */
1045         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1046
1047         return r;
1048 }
1049
1050 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1051 /**
1052  * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1053  * @ioc: Pointer to MPT adapter structure
1054  * @access_control_value: define bits below
1055  * @sleepFlag: Specifies whether the process can sleep
1056  *
1057  * Provides mechanism for the host driver to control the IOC's
1058  * Host Page Buffer access.
1059  *
1060  * Access Control Value - bits[15:12]
1061  * 0h Reserved
1062  * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
1063  * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
1064  * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
1065  *
1066  * Returns 0 for success, non-zero for failure.
1067  */
1068
1069 static int
1070 mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
1071 {
1072         int      r = 0;
1073
1074         /* return if in use */
1075         if (CHIPREG_READ32(&ioc->chip->Doorbell)
1076             & MPI_DOORBELL_ACTIVE)
1077             return -1;
1078
1079         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1080
1081         CHIPREG_WRITE32(&ioc->chip->Doorbell,
1082                 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
1083                  <<MPI_DOORBELL_FUNCTION_SHIFT) |
1084                  (access_control_value<<12)));
1085
1086         /* Wait for IOC to clear Doorbell Status bit */
1087         if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1088                 return -2;
1089         }else
1090                 return 0;
1091 }
1092
1093 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1094 /**
1095  *      mpt_host_page_alloc - allocate system memory for the fw
1096  *      @ioc: Pointer to pointer to IOC adapter
1097  *      @ioc_init: Pointer to ioc init config page
1098  *
1099  *      If we already allocated memory in past, then resend the same pointer.
1100  *      Returns 0 for success, non-zero for failure.
1101  */
1102 static int
1103 mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
1104 {
1105         char    *psge;
1106         int     flags_length;
1107         u32     host_page_buffer_sz=0;
1108
1109         if(!ioc->HostPageBuffer) {
1110
1111                 host_page_buffer_sz =
1112                     le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;
1113
1114                 if(!host_page_buffer_sz)
1115                         return 0; /* fw doesn't need any host buffers */
1116
1117                 /* spin till we get enough memory */
1118                 while(host_page_buffer_sz > 0) {
1119
1120                         if((ioc->HostPageBuffer = pci_alloc_consistent(
1121                             ioc->pcidev,
1122                             host_page_buffer_sz,
1123                             &ioc->HostPageBuffer_dma)) != NULL) {
1124
1125                                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1126                                     "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
1127                                     ioc->name, ioc->HostPageBuffer,
1128                                     (u32)ioc->HostPageBuffer_dma,
1129                                     host_page_buffer_sz));
1130                                 ioc->alloc_total += host_page_buffer_sz;
1131                                 ioc->HostPageBuffer_sz = host_page_buffer_sz;
1132                                 break;
1133                         }
1134
1135                         host_page_buffer_sz -= (4*1024);
1136                 }
1137         }
1138
1139         if(!ioc->HostPageBuffer) {
1140                 printk(MYIOC_s_ERR_FMT
1141                     "Failed to alloc memory for host_page_buffer!\n",
1142                     ioc->name);
1143                 return -999;
1144         }
1145
1146         psge = (char *)&ioc_init->HostPageBufferSGE;
1147         flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1148             MPI_SGE_FLAGS_SYSTEM_ADDRESS |
1149             MPI_SGE_FLAGS_32_BIT_ADDRESSING |
1150             MPI_SGE_FLAGS_HOST_TO_IOC |
1151             MPI_SGE_FLAGS_END_OF_BUFFER;
1152         if (sizeof(dma_addr_t) == sizeof(u64)) {
1153             flags_length |= MPI_SGE_FLAGS_64_BIT_ADDRESSING;
1154         }
1155         flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
1156         flags_length |= ioc->HostPageBuffer_sz;
1157         mpt_add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1158         ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
1159
1160 return 0;
1161 }
1162
1163 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1164 /**
1165  *      mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
1166  *      @iocid: IOC unique identifier (integer)
1167  *      @iocpp: Pointer to pointer to IOC adapter
1168  *
1169  *      Given a unique IOC identifier, set pointer to the associated MPT
1170  *      adapter structure.
1171  *
1172  *      Returns iocid and sets iocpp if iocid is found.
1173  *      Returns -1 if iocid is not found.
1174  */
1175 int
1176 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
1177 {
1178         MPT_ADAPTER *ioc;
1179
1180         list_for_each_entry(ioc,&ioc_list,list) {
1181                 if (ioc->id == iocid) {
1182                         *iocpp =ioc;
1183                         return iocid;
1184                 }
1185         }
1186
1187         *iocpp = NULL;
1188         return -1;
1189 }
1190
1191 /**
1192  *      mpt_get_product_name - returns product string
1193  *      @vendor: pci vendor id
1194  *      @device: pci device id
1195  *      @revision: pci revision id
1196  *      @prod_name: string returned
1197  *
1198  *      Returns product string displayed when driver loads,
1199  *      in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
1200  *
1201  **/
1202 static void
1203 mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name)
1204 {
1205         char *product_str = NULL;
1206
1207         if (vendor == PCI_VENDOR_ID_BROCADE) {
1208                 switch (device)
1209                 {
1210                 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1211                         switch (revision)
1212                         {
1213                         case 0x00:
1214                                 product_str = "BRE040 A0";
1215                                 break;
1216                         case 0x01:
1217                                 product_str = "BRE040 A1";
1218                                 break;
1219                         default:
1220                                 product_str = "BRE040";
1221                                 break;
1222                         }
1223                         break;
1224                 }
1225                 goto out;
1226         }
1227
1228         switch (device)
1229         {
1230         case MPI_MANUFACTPAGE_DEVICEID_FC909:
1231                 product_str = "LSIFC909 B1";
1232                 break;
1233         case MPI_MANUFACTPAGE_DEVICEID_FC919:
1234                 product_str = "LSIFC919 B0";
1235                 break;
1236         case MPI_MANUFACTPAGE_DEVICEID_FC929:
1237                 product_str = "LSIFC929 B0";
1238                 break;
1239         case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1240                 if (revision < 0x80)
1241                         product_str = "LSIFC919X A0";
1242                 else
1243                         product_str = "LSIFC919XL A1";
1244                 break;
1245         case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1246                 if (revision < 0x80)
1247                         product_str = "LSIFC929X A0";
1248                 else
1249                         product_str = "LSIFC929XL A1";
1250                 break;
1251         case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1252                 product_str = "LSIFC939X A1";
1253                 break;
1254         case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1255                 product_str = "LSIFC949X A1";
1256                 break;
1257         case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1258                 switch (revision)
1259                 {
1260                 case 0x00:
1261                         product_str = "LSIFC949E A0";
1262                         break;
1263                 case 0x01:
1264                         product_str = "LSIFC949E A1";
1265                         break;
1266                 default:
1267                         product_str = "LSIFC949E";
1268                         break;
1269                 }
1270                 break;
1271         case MPI_MANUFACTPAGE_DEVID_53C1030:
1272                 switch (revision)
1273                 {
1274                 case 0x00:
1275                         product_str = "LSI53C1030 A0";
1276                         break;
1277                 case 0x01:
1278                         product_str = "LSI53C1030 B0";
1279                         break;
1280                 case 0x03:
1281                         product_str = "LSI53C1030 B1";
1282                         break;
1283                 case 0x07:
1284                         product_str = "LSI53C1030 B2";
1285                         break;
1286                 case 0x08:
1287                         product_str = "LSI53C1030 C0";
1288                         break;
1289                 case 0x80:
1290                         product_str = "LSI53C1030T A0";
1291                         break;
1292                 case 0x83:
1293                         product_str = "LSI53C1030T A2";
1294                         break;
1295                 case 0x87:
1296                         product_str = "LSI53C1030T A3";
1297                         break;
1298                 case 0xc1:
1299                         product_str = "LSI53C1020A A1";
1300                         break;
1301                 default:
1302                         product_str = "LSI53C1030";
1303                         break;
1304                 }
1305                 break;
1306         case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1307                 switch (revision)
1308                 {
1309                 case 0x03:
1310                         product_str = "LSI53C1035 A2";
1311                         break;
1312                 case 0x04:
1313                         product_str = "LSI53C1035 B0";
1314                         break;
1315                 default:
1316                         product_str = "LSI53C1035";
1317                         break;
1318                 }
1319                 break;
1320         case MPI_MANUFACTPAGE_DEVID_SAS1064:
1321                 switch (revision)
1322                 {
1323                 case 0x00:
1324                         product_str = "LSISAS1064 A1";
1325                         break;
1326                 case 0x01:
1327                         product_str = "LSISAS1064 A2";
1328                         break;
1329                 case 0x02:
1330                         product_str = "LSISAS1064 A3";
1331                         break;
1332                 case 0x03:
1333                         product_str = "LSISAS1064 A4";
1334                         break;
1335                 default:
1336                         product_str = "LSISAS1064";
1337                         break;
1338                 }
1339                 break;
1340         case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1341                 switch (revision)
1342                 {
1343                 case 0x00:
1344                         product_str = "LSISAS1064E A0";
1345                         break;
1346                 case 0x01:
1347                         product_str = "LSISAS1064E B0";
1348                         break;
1349                 case 0x02:
1350                         product_str = "LSISAS1064E B1";
1351                         break;
1352                 case 0x04:
1353                         product_str = "LSISAS1064E B2";
1354                         break;
1355                 case 0x08:
1356                         product_str = "LSISAS1064E B3";
1357                         break;
1358                 default:
1359                         product_str = "LSISAS1064E";
1360                         break;
1361                 }
1362                 break;
1363         case MPI_MANUFACTPAGE_DEVID_SAS1068:
1364                 switch (revision)
1365                 {
1366                 case 0x00:
1367                         product_str = "LSISAS1068 A0";
1368                         break;
1369                 case 0x01:
1370                         product_str = "LSISAS1068 B0";
1371                         break;
1372                 case 0x02:
1373                         product_str = "LSISAS1068 B1";
1374                         break;
1375                 default:
1376                         product_str = "LSISAS1068";
1377                         break;
1378                 }
1379                 break;
1380         case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1381                 switch (revision)
1382                 {
1383                 case 0x00:
1384                         product_str = "LSISAS1068E A0";
1385                         break;
1386                 case 0x01:
1387                         product_str = "LSISAS1068E B0";
1388                         break;
1389                 case 0x02:
1390                         product_str = "LSISAS1068E B1";
1391                         break;
1392                 case 0x04:
1393                         product_str = "LSISAS1068E B2";
1394                         break;
1395                 case 0x08:
1396                         product_str = "LSISAS1068E B3";
1397                         break;
1398                 default:
1399                         product_str = "LSISAS1068E";
1400                         break;
1401                 }
1402                 break;
1403         case MPI_MANUFACTPAGE_DEVID_SAS1078:
1404                 switch (revision)
1405                 {
1406                 case 0x00:
1407                         product_str = "LSISAS1078 A0";
1408                         break;
1409                 case 0x01:
1410                         product_str = "LSISAS1078 B0";
1411                         break;
1412                 case 0x02:
1413                         product_str = "LSISAS1078 C0";
1414                         break;
1415                 case 0x03:
1416                         product_str = "LSISAS1078 C1";
1417                         break;
1418                 case 0x04:
1419                         product_str = "LSISAS1078 C2";
1420                         break;
1421                 default:
1422                         product_str = "LSISAS1078";
1423                         break;
1424                 }
1425                 break;
1426         }
1427
1428  out:
1429         if (product_str)
1430                 sprintf(prod_name, "%s", product_str);
1431 }
1432
1433 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1434 /**
1435  *      mpt_attach - Install a PCI intelligent MPT adapter.
1436  *      @pdev: Pointer to pci_dev structure
1437  *      @id: PCI device ID information
1438  *
1439  *      This routine performs all the steps necessary to bring the IOC of
1440  *      a MPT adapter to a OPERATIONAL state.  This includes registering
1441  *      memory regions, registering the interrupt, and allocating request
1442  *      and reply memory pools.
1443  *
1444  *      This routine also pre-fetches the LAN MAC address of a Fibre Channel
1445  *      MPT adapter.
1446  *
1447  *      Returns 0 for success, non-zero for failure.
1448  *
1449  *      TODO: Add support for polled controllers
1450  */
1451 int
1452 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1453 {
1454         MPT_ADAPTER     *ioc;
1455         u8              __iomem *mem;
1456         u8              __iomem *pmem;
1457         unsigned long    mem_phys;
1458         unsigned long    port;
1459         u32              msize;
1460         u32              psize;
1461         int              ii;
1462         u8               cb_idx;
1463         int              r = -ENODEV;
1464         u8               revision;
1465         u8               pcixcmd;
1466         static int       mpt_ids = 0;
1467 #ifdef CONFIG_PROC_FS
1468         struct proc_dir_entry *dent, *ent;
1469 #endif
1470
1471         if (mpt_debug_level)
1472                 printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level);
1473
1474         ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
1475         if (ioc == NULL) {
1476                 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1477                 return -ENOMEM;
1478         }
1479         ioc->debug_level = mpt_debug_level;
1480         ioc->id = mpt_ids++;
1481         sprintf(ioc->name, "ioc%d", ioc->id);
1482
1483         ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1484         if (pci_enable_device_mem(pdev)) {
1485                 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1486                        "failed\n", ioc->name);
1487                 kfree(ioc);
1488                 return r;
1489         }
1490         if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1491                 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1492                        "MEM failed\n", ioc->name);
1493                 kfree(ioc);
1494                 return r;
1495         }
1496
1497         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1498
1499         if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
1500                 dprintk(ioc, printk(MYIOC_s_INFO_FMT
1501                         ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", ioc->name));
1502         } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
1503                 printk(MYIOC_s_WARN_FMT ": 32 BIT PCI BUS DMA ADDRESSING NOT SUPPORTED\n",
1504                     ioc->name);
1505                 kfree(ioc);
1506                 return r;
1507         }
1508
1509         if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
1510                 dprintk(ioc, printk(MYIOC_s_INFO_FMT
1511                         ": Using 64 bit consistent mask\n", ioc->name));
1512         } else {
1513                 dprintk(ioc, printk(MYIOC_s_INFO_FMT
1514                         ": Not using 64 bit consistent mask\n", ioc->name));
1515         }
1516
1517         ioc->alloc_total = sizeof(MPT_ADAPTER);
1518         ioc->req_sz = MPT_DEFAULT_FRAME_SIZE;           /* avoid div by zero! */
1519         ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1520
1521         ioc->pcidev = pdev;
1522         ioc->diagPending = 0;
1523         spin_lock_init(&ioc->diagLock);
1524         spin_lock_init(&ioc->initializing_hba_lock);
1525
1526         /* Initialize the event logging.
1527          */
1528         ioc->eventTypes = 0;    /* None */
1529         ioc->eventContext = 0;
1530         ioc->eventLogSize = 0;
1531         ioc->events = NULL;
1532
1533 #ifdef MFCNT
1534         ioc->mfcnt = 0;
1535 #endif
1536
1537         ioc->cached_fw = NULL;
1538
1539         /* Initilize SCSI Config Data structure
1540          */
1541         memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
1542
1543         /* Initialize the running configQ head.
1544          */
1545         INIT_LIST_HEAD(&ioc->configQ);
1546
1547         /* Initialize the fc rport list head.
1548          */
1549         INIT_LIST_HEAD(&ioc->fc_rports);
1550
1551         /* Find lookup slot. */
1552         INIT_LIST_HEAD(&ioc->list);
1553
1554         mem_phys = msize = 0;
1555         port = psize = 0;
1556         for (ii=0; ii < DEVICE_COUNT_RESOURCE; ii++) {
1557                 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
1558                         if (psize)
1559                                 continue;
1560                         /* Get I/O space! */
1561                         port = pci_resource_start(pdev, ii);
1562                         psize = pci_resource_len(pdev,ii);
1563                 } else {
1564                         if (msize)
1565                                 continue;
1566                         /* Get memmap */
1567                         mem_phys = pci_resource_start(pdev, ii);
1568                         msize = pci_resource_len(pdev,ii);
1569                 }
1570         }
1571         ioc->mem_size = msize;
1572
1573         mem = NULL;
1574         /* Get logical ptr for PciMem0 space */
1575         /*mem = ioremap(mem_phys, msize);*/
1576         mem = ioremap(mem_phys, msize);
1577         if (mem == NULL) {
1578                 printk(MYIOC_s_ERR_FMT "Unable to map adapter memory!\n", ioc->name);
1579                 kfree(ioc);
1580                 return -EINVAL;
1581         }
1582         ioc->memmap = mem;
1583         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n", ioc->name, mem, mem_phys));
1584
1585         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
1586             ioc->name, &ioc->facts, &ioc->pfacts[0]));
1587
1588         ioc->mem_phys = mem_phys;
1589         ioc->chip = (SYSIF_REGS __iomem *)mem;
1590
1591         /* Save Port IO values in case we need to do downloadboot */
1592         ioc->pio_mem_phys = port;
1593         pmem = (u8 __iomem *)port;
1594         ioc->pio_chip = (SYSIF_REGS __iomem *)pmem;
1595
1596         pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1597         mpt_get_product_name(pdev->vendor, pdev->device, revision, ioc->prod_name);
1598
1599         switch (pdev->device)
1600         {
1601         case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1602         case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1603                 ioc->errata_flag_1064 = 1;
1604         case MPI_MANUFACTPAGE_DEVICEID_FC909:
1605         case MPI_MANUFACTPAGE_DEVICEID_FC929:
1606         case MPI_MANUFACTPAGE_DEVICEID_FC919:
1607         case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1608                 ioc->bus_type = FC;
1609                 break;
1610
1611         case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1612                 if (revision < XL_929) {
1613                         /* 929X Chip Fix. Set Split transactions level
1614                         * for PCIX. Set MOST bits to zero.
1615                         */
1616                         pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1617                         pcixcmd &= 0x8F;
1618                         pci_write_config_byte(pdev, 0x6a, pcixcmd);
1619                 } else {
1620                         /* 929XL Chip Fix. Set MMRBC to 0x08.
1621                         */
1622                         pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1623                         pcixcmd |= 0x08;
1624                         pci_write_config_byte(pdev, 0x6a, pcixcmd);
1625                 }
1626                 ioc->bus_type = FC;
1627                 break;
1628
1629         case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1630                 /* 919X Chip Fix. Set Split transactions level
1631                  * for PCIX. Set MOST bits to zero.
1632                  */
1633                 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1634                 pcixcmd &= 0x8F;
1635                 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1636                 ioc->bus_type = FC;
1637                 break;
1638
1639         case MPI_MANUFACTPAGE_DEVID_53C1030:
1640                 /* 1030 Chip Fix. Disable Split transactions
1641                  * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
1642                  */
1643                 if (revision < C0_1030) {
1644                         pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1645                         pcixcmd &= 0x8F;
1646                         pci_write_config_byte(pdev, 0x6a, pcixcmd);
1647                 }
1648
1649         case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1650                 ioc->bus_type = SPI;
1651                 break;
1652
1653         case MPI_MANUFACTPAGE_DEVID_SAS1064:
1654         case MPI_MANUFACTPAGE_DEVID_SAS1068:
1655                 ioc->errata_flag_1064 = 1;
1656
1657         case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1658         case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1659         case MPI_MANUFACTPAGE_DEVID_SAS1078:
1660                 ioc->bus_type = SAS;
1661         }
1662
1663         if (ioc->errata_flag_1064)
1664                 pci_disable_io_access(pdev);
1665
1666         spin_lock_init(&ioc->FreeQlock);
1667
1668         /* Disable all! */
1669         CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1670         ioc->active = 0;
1671         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1672
1673         /* Set IOC ptr in the pcidev's driver data. */
1674         pci_set_drvdata(ioc->pcidev, ioc);
1675
1676         /* Set lookup ptr. */
1677         list_add_tail(&ioc->list, &ioc_list);
1678
1679         /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
1680          */
1681         mpt_detect_bound_ports(ioc, pdev);
1682
1683         if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
1684             CAN_SLEEP)) != 0){
1685                 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
1686                     ioc->name, r);
1687
1688                 list_del(&ioc->list);
1689                 if (ioc->alt_ioc)
1690                         ioc->alt_ioc->alt_ioc = NULL;
1691                 iounmap(mem);
1692                 kfree(ioc);
1693                 pci_set_drvdata(pdev, NULL);
1694                 return r;
1695         }
1696
1697         /* call per device driver probe entry point */
1698         for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
1699                 if(MptDeviceDriverHandlers[cb_idx] &&
1700                   MptDeviceDriverHandlers[cb_idx]->probe) {
1701                         MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
1702                 }
1703         }
1704
1705 #ifdef CONFIG_PROC_FS
1706         /*
1707          *  Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
1708          */
1709         dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
1710         if (dent) {
1711                 ent = create_proc_entry("info", S_IFREG|S_IRUGO, dent);
1712                 if (ent) {
1713                         ent->read_proc = procmpt_iocinfo_read;
1714                         ent->data = ioc;
1715                 }
1716                 ent = create_proc_entry("summary", S_IFREG|S_IRUGO, dent);
1717                 if (ent) {
1718                         ent->read_proc = procmpt_summary_read;
1719                         ent->data = ioc;
1720                 }
1721         }
1722 #endif
1723
1724         return 0;
1725 }
1726
1727 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1728 /**
1729  *      mpt_detach - Remove a PCI intelligent MPT adapter.
1730  *      @pdev: Pointer to pci_dev structure
1731  */
1732
1733 void
1734 mpt_detach(struct pci_dev *pdev)
1735 {
1736         MPT_ADAPTER     *ioc = pci_get_drvdata(pdev);
1737         char pname[32];
1738         u8 cb_idx;
1739
1740         sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
1741         remove_proc_entry(pname, NULL);
1742         sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
1743         remove_proc_entry(pname, NULL);
1744         sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
1745         remove_proc_entry(pname, NULL);
1746
1747         /* call per device driver remove entry point */
1748         for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
1749                 if(MptDeviceDriverHandlers[cb_idx] &&
1750                   MptDeviceDriverHandlers[cb_idx]->remove) {
1751                         MptDeviceDriverHandlers[cb_idx]->remove(pdev);
1752                 }
1753         }
1754
1755         /* Disable interrupts! */
1756         CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1757
1758         ioc->active = 0;
1759         synchronize_irq(pdev->irq);
1760
1761         /* Clear any lingering interrupt */
1762         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1763
1764         CHIPREG_READ32(&ioc->chip->IntStatus);
1765
1766         mpt_adapter_dispose(ioc);
1767
1768         pci_set_drvdata(pdev, NULL);
1769 }
1770
1771 /**************************************************************************
1772  * Power Management
1773  */
1774 #ifdef CONFIG_PM
1775 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1776 /**
1777  *      mpt_suspend - Fusion MPT base driver suspend routine.
1778  *      @pdev: Pointer to pci_dev structure
1779  *      @state: new state to enter
1780  */
1781 int
1782 mpt_suspend(struct pci_dev *pdev, pm_message_t state)
1783 {
1784         u32 device_state;
1785         MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1786
1787         device_state=pci_choose_state(pdev, state);
1788
1789         printk(MYIOC_s_INFO_FMT
1790         "pci-suspend: pdev=0x%p, slot=%s, Entering operating state [D%d]\n",
1791                 ioc->name, pdev, pci_name(pdev), device_state);
1792
1793         pci_save_state(pdev);
1794
1795         /* put ioc into READY_STATE */
1796         if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
1797                 printk(MYIOC_s_ERR_FMT
1798                 "pci-suspend:  IOC msg unit reset failed!\n", ioc->name);
1799         }
1800
1801         /* disable interrupts */
1802         CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1803         ioc->active = 0;
1804
1805         /* Clear any lingering interrupt */
1806         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1807
1808         pci_disable_device(pdev);
1809         pci_release_selected_regions(pdev, ioc->bars);
1810         pci_set_power_state(pdev, device_state);
1811
1812         return 0;
1813 }
1814
1815 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1816 /**
1817  *      mpt_resume - Fusion MPT base driver resume routine.
1818  *      @pdev: Pointer to pci_dev structure
1819  */
1820 int
1821 mpt_resume(struct pci_dev *pdev)
1822 {
1823         MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1824         u32 device_state = pdev->current_state;
1825         int recovery_state;
1826
1827         printk(MYIOC_s_INFO_FMT
1828         "pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n",
1829                 ioc->name, pdev, pci_name(pdev), device_state);
1830
1831         pci_set_power_state(pdev, 0);
1832         pci_restore_state(pdev);
1833         if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) {
1834                 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
1835                         IORESOURCE_IO);
1836                 if (pci_enable_device(pdev))
1837                         return 0;
1838         } else {
1839                 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1840                 if (pci_enable_device_mem(pdev))
1841                         return 0;
1842         }
1843         if (pci_request_selected_regions(pdev, ioc->bars, "mpt"))
1844                 return 0;
1845
1846         /* enable interrupts */
1847         CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
1848         ioc->active = 1;
1849
1850         printk(MYIOC_s_INFO_FMT
1851                 "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
1852                 ioc->name,
1853                 (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
1854                 CHIPREG_READ32(&ioc->chip->Doorbell));
1855
1856         /* bring ioc to operational state */
1857         if ((recovery_state = mpt_do_ioc_recovery(ioc,
1858             MPT_HOSTEVENT_IOC_RECOVER, CAN_SLEEP)) != 0) {
1859                 printk(MYIOC_s_INFO_FMT
1860                         "pci-resume: Cannot recover, error:[%x]\n",
1861                         ioc->name, recovery_state);
1862         } else {
1863                 printk(MYIOC_s_INFO_FMT
1864                         "pci-resume: success\n", ioc->name);
1865         }
1866
1867         return 0;
1868 }
1869 #endif
1870
1871 static int
1872 mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
1873 {
1874         if ((MptDriverClass[index] == MPTSPI_DRIVER &&
1875              ioc->bus_type != SPI) ||
1876             (MptDriverClass[index] == MPTFC_DRIVER &&
1877              ioc->bus_type != FC) ||
1878             (MptDriverClass[index] == MPTSAS_DRIVER &&
1879              ioc->bus_type != SAS))
1880                 /* make sure we only call the relevant reset handler
1881                  * for the bus */
1882                 return 0;
1883         return (MptResetHandlers[index])(ioc, reset_phase);
1884 }
1885
1886 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1887 /**
1888  *      mpt_do_ioc_recovery - Initialize or recover MPT adapter.
1889  *      @ioc: Pointer to MPT adapter structure
1890  *      @reason: Event word / reason
1891  *      @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
1892  *
1893  *      This routine performs all the steps necessary to bring the IOC
1894  *      to a OPERATIONAL state.
1895  *
1896  *      This routine also pre-fetches the LAN MAC address of a Fibre Channel
1897  *      MPT adapter.
1898  *
1899  *      Returns:
1900  *               0 for success
1901  *              -1 if failed to get board READY
1902  *              -2 if READY but IOCFacts Failed
1903  *              -3 if READY but PrimeIOCFifos Failed
1904  *              -4 if READY but IOCInit Failed
1905  *              -5 if failed to enable_device and/or request_selected_regions
1906  */
1907 static int
1908 mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
1909 {
1910         int      hard_reset_done = 0;
1911         int      alt_ioc_ready = 0;
1912         int      hard;
1913         int      rc=0;
1914         int      ii;
1915         u8       cb_idx;
1916         int      handlers;
1917         int      ret = 0;
1918         int      reset_alt_ioc_active = 0;
1919         int      irq_allocated = 0;
1920         u8      *a;
1921
1922         printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
1923             reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
1924
1925         /* Disable reply interrupts (also blocks FreeQ) */
1926         CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1927         ioc->active = 0;
1928
1929         if (ioc->alt_ioc) {
1930                 if (ioc->alt_ioc->active)
1931                         reset_alt_ioc_active = 1;
1932
1933                 /* Disable alt-IOC's reply interrupts (and FreeQ) for a bit ... */
1934                 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 0xFFFFFFFF);
1935                 ioc->alt_ioc->active = 0;
1936         }
1937
1938         hard = 1;
1939         if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
1940                 hard = 0;
1941
1942         if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
1943                 if (hard_reset_done == -4) {
1944                         printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
1945                             ioc->name);
1946
1947                         if (reset_alt_ioc_active && ioc->alt_ioc) {
1948                                 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
1949                                 dprintk(ioc, printk(MYIOC_s_INFO_FMT
1950                                     "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
1951                                 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
1952                                 ioc->alt_ioc->active = 1;
1953                         }
1954
1955                 } else {
1956                         printk(MYIOC_s_WARN_FMT "NOT READY!\n", ioc->name);
1957                 }
1958                 return -1;
1959         }
1960
1961         /* hard_reset_done = 0 if a soft reset was performed
1962          * and 1 if a hard reset was performed.
1963          */
1964         if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
1965                 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
1966                         alt_ioc_ready = 1;
1967                 else
1968                         printk(MYIOC_s_WARN_FMT "alt_ioc not ready!\n", ioc->alt_ioc->name);
1969         }
1970
1971         for (ii=0; ii<5; ii++) {
1972                 /* Get IOC facts! Allow 5 retries */
1973                 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
1974                         break;
1975         }
1976
1977
1978         if (ii == 5) {
1979                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1980                     "Retry IocFacts failed rc=%x\n", ioc->name, rc));
1981                 ret = -2;
1982         } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
1983                 MptDisplayIocCapabilities(ioc);
1984         }
1985
1986         if (alt_ioc_ready) {
1987                 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
1988                         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1989                             "Initial Alt IocFacts failed rc=%x\n", ioc->name, rc));
1990                         /* Retry - alt IOC was initialized once
1991                          */
1992                         rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
1993                 }
1994                 if (rc) {
1995                         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1996                             "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
1997                         alt_ioc_ready = 0;
1998                         reset_alt_ioc_active = 0;
1999                 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2000                         MptDisplayIocCapabilities(ioc->alt_ioc);
2001                 }
2002         }
2003
2004         if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2005             (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2006                 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2007                 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2008                     IORESOURCE_IO);
2009                 if (pci_enable_device(ioc->pcidev))
2010                         return -5;
2011                 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2012                         "mpt"))
2013                         return -5;
2014         }
2015
2016         /*
2017          * Device is reset now. It must have de-asserted the interrupt line
2018          * (if it was asserted) and it should be safe to register for the
2019          * interrupt now.
2020          */
2021         if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2022                 ioc->pci_irq = -1;
2023                 if (ioc->pcidev->irq) {
2024                         if (mpt_msi_enable && !pci_enable_msi(ioc->pcidev))
2025                                 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2026                                     ioc->name);
2027                         rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2028                             IRQF_SHARED, ioc->name, ioc);
2029                         if (rc < 0) {
2030                                 printk(MYIOC_s_ERR_FMT "Unable to allocate "
2031                                     "interrupt %d!\n", ioc->name, ioc->pcidev->irq);
2032                                 if (mpt_msi_enable)
2033                                         pci_disable_msi(ioc->pcidev);
2034                                 return -EBUSY;
2035                         }
2036                         irq_allocated = 1;
2037                         ioc->pci_irq = ioc->pcidev->irq;
2038                         pci_set_master(ioc->pcidev);            /* ?? */
2039                         dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
2040                             "%d\n", ioc->name, ioc->pcidev->irq));
2041                 }
2042         }
2043
2044         /* Prime reply & request queues!
2045          * (mucho alloc's) Must be done prior to
2046          * init as upper addresses are needed for init.
2047          * If fails, continue with alt-ioc processing
2048          */
2049         if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
2050                 ret = -3;
2051
2052         /* May need to check/upload firmware & data here!
2053          * If fails, continue with alt-ioc processing
2054          */
2055         if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
2056                 ret = -4;
2057 // NEW!
2058         if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2059                 printk(MYIOC_s_WARN_FMT ": alt_ioc (%d) FIFO mgmt alloc!\n",
2060                     ioc->alt_ioc->name, rc);
2061                 alt_ioc_ready = 0;
2062                 reset_alt_ioc_active = 0;
2063         }
2064
2065         if (alt_ioc_ready) {
2066                 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
2067                         alt_ioc_ready = 0;
2068                         reset_alt_ioc_active = 0;
2069                         printk(MYIOC_s_WARN_FMT "alt_ioc (%d) init failure!\n",
2070                             ioc->alt_ioc->name, rc);
2071                 }
2072         }
2073
2074         if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
2075                 if (ioc->upload_fw) {
2076                         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2077                             "firmware upload required!\n", ioc->name));
2078
2079                         /* Controller is not operational, cannot do upload
2080                          */
2081                         if (ret == 0) {
2082                                 rc = mpt_do_upload(ioc, sleepFlag);
2083                                 if (rc == 0) {
2084                                         if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
2085                                                 /*
2086                                                  * Maintain only one pointer to FW memory
2087                                                  * so there will not be two attempt to
2088                                                  * downloadboot onboard dual function
2089                                                  * chips (mpt_adapter_disable,
2090                                                  * mpt_diag_reset)
2091                                                  */
2092                                                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2093                                                     "mpt_upload:  alt_%s has cached_fw=%p \n",
2094                                                     ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2095                                                 ioc->cached_fw = NULL;
2096                                         }
2097                                 } else {
2098                                         printk(MYIOC_s_WARN_FMT
2099                                             "firmware upload failure!\n", ioc->name);
2100                                         ret = -5;
2101                                 }
2102                         }
2103                 }
2104         }
2105
2106         if (ret == 0) {
2107                 /* Enable! (reply interrupt) */
2108                 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
2109                 ioc->active = 1;
2110         }
2111
2112         if (reset_alt_ioc_active && ioc->alt_ioc) {
2113                 /* (re)Enable alt-IOC! (reply interrupt) */
2114                 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "alt_ioc reply irq re-enabled\n",
2115                     ioc->alt_ioc->name));
2116                 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
2117                 ioc->alt_ioc->active = 1;
2118         }
2119
2120         /*  Enable MPT base driver management of EventNotification
2121          *  and EventAck handling.
2122          */
2123         if ((ret == 0) && (!ioc->facts.EventState))
2124                 (void) SendEventNotification(ioc, 1);   /* 1=Enable EventNotification */
2125
2126         if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
2127                 (void) SendEventNotification(ioc->alt_ioc, 1);  /* 1=Enable EventNotification */
2128
2129         /*      Add additional "reason" check before call to GetLanConfigPages
2130          *      (combined with GetIoUnitPage2 call).  This prevents a somewhat
2131          *      recursive scenario; GetLanConfigPages times out, timer expired
2132          *      routine calls HardResetHandler, which calls into here again,
2133          *      and we try GetLanConfigPages again...
2134          */
2135         if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2136
2137                 /*
2138                  * Initalize link list for inactive raid volumes.
2139                  */
2140                 init_MUTEX(&ioc->raid_data.inactive_list_mutex);
2141                 INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
2142
2143                 if (ioc->bus_type == SAS) {
2144
2145                         /* clear persistency table */
2146                         if(ioc->facts.IOCExceptions &
2147                             MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
2148                                 ret = mptbase_sas_persist_operation(ioc,
2149                                     MPI_SAS_OP_CLEAR_NOT_PRESENT);
2150                                 if(ret != 0)
2151                                         goto out;
2152                         }
2153
2154                         /* Find IM volumes
2155                          */
2156                         mpt_findImVolumes(ioc);
2157
2158                 } else if (ioc->bus_type == FC) {
2159                         if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
2160                             (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
2161                                 /*
2162                                  *  Pre-fetch the ports LAN MAC address!
2163                                  *  (LANPage1_t stuff)
2164                                  */
2165                                 (void) GetLanConfigPages(ioc);
2166                                 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
2167                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2168                                     "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
2169                                     ioc->name, a[5], a[4], a[3], a[2], a[1], a[0]));
2170
2171                         }
2172                 } else {
2173                         /* Get NVRAM and adapter maximums from SPP 0 and 2
2174                          */
2175                         mpt_GetScsiPortSettings(ioc, 0);
2176
2177                         /* Get version and length of SDP 1
2178                          */
2179                         mpt_readScsiDevicePageHeaders(ioc, 0);
2180
2181                         /* Find IM volumes
2182                          */
2183                         if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
2184                                 mpt_findImVolumes(ioc);
2185
2186                         /* Check, and possibly reset, the coalescing value
2187                          */
2188                         mpt_read_ioc_pg_1(ioc);
2189
2190                         mpt_read_ioc_pg_4(ioc);
2191                 }
2192
2193                 GetIoUnitPage2(ioc);
2194                 mpt_get_manufacturing_pg_0(ioc);
2195         }
2196
2197         /*
2198          * Call each currently registered protocol IOC reset handler
2199          * with post-reset indication.
2200          * NOTE: If we're doing _IOC_BRINGUP, there can be no
2201          * MptResetHandlers[] registered yet.
2202          */
2203         if (hard_reset_done) {
2204                 rc = handlers = 0;
2205                 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
2206                         if ((ret == 0) && MptResetHandlers[cb_idx]) {
2207                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2208                                     "Calling IOC post_reset handler #%d\n",
2209                                     ioc->name, cb_idx));
2210                                 rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
2211                                 handlers++;
2212                         }
2213
2214                         if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
2215                                 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2216                                     "Calling IOC post_reset handler #%d\n",
2217                                     ioc->alt_ioc->name, cb_idx));
2218                                 rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
2219                                 handlers++;
2220                         }
2221                 }
2222                 /* FIXME?  Examine results here? */
2223         }
2224
2225  out:
2226         if ((ret != 0) && irq_allocated) {
2227                 free_irq(ioc->pci_irq, ioc);
2228                 if (mpt_msi_enable)
2229                         pci_disable_msi(ioc->pcidev);
2230         }
2231         return ret;
2232 }
2233
2234 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2235 /**
2236  *      mpt_detect_bound_ports - Search for matching PCI bus/dev_function
2237  *      @ioc: Pointer to MPT adapter structure
2238  *      @pdev: Pointer to (struct pci_dev) structure
2239  *
2240  *      Search for PCI bus/dev_function which matches
2241  *      PCI bus/dev_function (+/-1) for newly discovered 929,
2242  *      929X, 1030 or 1035.
2243  *
2244  *      If match on PCI dev_function +/-1 is found, bind the two MPT adapters
2245  *      using alt_ioc pointer fields in their %MPT_ADAPTER structures.
2246  */
2247 static void
2248 mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
2249 {
2250         struct pci_dev *peer=NULL;
2251         unsigned int slot = PCI_SLOT(pdev->devfn);
2252         unsigned int func = PCI_FUNC(pdev->devfn);
2253         MPT_ADAPTER *ioc_srch;
2254
2255         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2256             " searching for devfn match on %x or %x\n",
2257             ioc->name, pci_name(pdev), pdev->bus->number,
2258             pdev->devfn, func-1, func+1));
2259
2260         peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
2261         if (!peer) {
2262                 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
2263                 if (!peer)
2264                         return;
2265         }
2266
2267         list_for_each_entry(ioc_srch, &ioc_list, list) {
2268                 struct pci_dev *_pcidev = ioc_srch->pcidev;
2269                 if (_pcidev == peer) {
2270                         /* Paranoia checks */
2271                         if (ioc->alt_ioc != NULL) {
2272                                 printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
2273                                         ioc->name, ioc->alt_ioc->name);
2274                                 break;
2275                         } else if (ioc_srch->alt_ioc != NULL) {
2276                                 printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
2277                                         ioc_srch->name, ioc_srch->alt_ioc->name);
2278                                 break;
2279                         }
2280                         dprintk(ioc, printk(MYIOC_s_INFO_FMT "FOUND! binding to %s\n",
2281                                 ioc->name, ioc_srch->name));
2282                         ioc_srch->alt_ioc = ioc;
2283                         ioc->alt_ioc = ioc_srch;
2284                 }
2285         }
2286         pci_dev_put(peer);
2287 }
2288
2289 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2290 /**
2291  *      mpt_adapter_disable - Disable misbehaving MPT adapter.
2292  *      @ioc: Pointer to MPT adapter structure
2293  */
2294 static void
2295 mpt_adapter_disable(MPT_ADAPTER *ioc)
2296 {
2297         int sz;
2298         int ret;
2299
2300         if (ioc->cached_fw != NULL) {
2301                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: Pushing FW onto "
2302                     "adapter\n", __FUNCTION__, ioc->name));
2303                 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
2304                     ioc->cached_fw, CAN_SLEEP)) < 0) {
2305                         printk(MYIOC_s_WARN_FMT
2306                             ": firmware downloadboot failure (%d)!\n",
2307                             ioc->name, ret);
2308                 }
2309         }
2310
2311         /* Disable adapter interrupts! */
2312         CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2313         ioc->active = 0;
2314         /* Clear any lingering interrupt */
2315         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2316
2317         if (ioc->alloc != NULL) {
2318                 sz = ioc->alloc_sz;
2319                 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free  @ %p, sz=%d bytes\n",
2320                     ioc->name, ioc->alloc, ioc->alloc_sz));
2321                 pci_free_consistent(ioc->pcidev, sz,
2322                                 ioc->alloc, ioc->alloc_dma);
2323                 ioc->reply_frames = NULL;
2324                 ioc->req_frames = NULL;
2325                 ioc->alloc = NULL;
2326                 ioc->alloc_total -= sz;
2327         }
2328
2329         if (ioc->sense_buf_pool != NULL) {
2330                 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
2331                 pci_free_consistent(ioc->pcidev, sz,
2332                                 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
2333                 ioc->sense_buf_pool = NULL;
2334                 ioc->alloc_total -= sz;
2335         }
2336
2337         if (ioc->events != NULL){
2338                 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
2339                 kfree(ioc->events);
2340                 ioc->events = NULL;
2341                 ioc->alloc_total -= sz;
2342         }
2343
2344         mpt_free_fw_memory(ioc);
2345
2346         kfree(ioc->spi_data.nvram);
2347         mpt_inactive_raid_list_free(ioc);
2348         kfree(ioc->raid_data.pIocPg2);
2349         kfree(ioc->raid_data.pIocPg3);
2350         ioc->spi_data.nvram = NULL;
2351         ioc->raid_data.pIocPg3 = NULL;
2352
2353         if (ioc->spi_data.pIocPg4 != NULL) {
2354                 sz = ioc->spi_data.IocPg4Sz;
2355                 pci_free_consistent(ioc->pcidev, sz,
2356                         ioc->spi_data.pIocPg4,
2357                         ioc->spi_data.IocPg4_dma);
2358                 ioc->spi_data.pIocPg4 = NULL;
2359                 ioc->alloc_total -= sz;
2360         }
2361
2362         if (ioc->ReqToChain != NULL) {
2363                 kfree(ioc->ReqToChain);
2364                 kfree(ioc->RequestNB);
2365                 ioc->ReqToChain = NULL;
2366         }
2367
2368         kfree(ioc->ChainToChain);
2369         ioc->ChainToChain = NULL;
2370
2371         if (ioc->HostPageBuffer != NULL) {
2372                 if((ret = mpt_host_page_access_control(ioc,
2373                     MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2374                         printk(MYIOC_s_ERR_FMT
2375                            "host page buffers free failed (%d)!\n",
2376                             ioc->name, ret);
2377                 }
2378                 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "HostPageBuffer free  @ %p, sz=%d bytes\n",
2379                         ioc->name, ioc->HostPageBuffer, ioc->HostPageBuffer_sz));
2380                 pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
2381                     ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2382                 ioc->HostPageBuffer = NULL;
2383                 ioc->HostPageBuffer_sz = 0;
2384                 ioc->alloc_total -= ioc->HostPageBuffer_sz;
2385         }
2386 }
2387
2388 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2389 /**
2390  *      mpt_adapter_dispose - Free all resources associated with an MPT adapter
2391  *      @ioc: Pointer to MPT adapter structure
2392  *
2393  *      This routine unregisters h/w resources and frees all alloc'd memory
2394  *      associated with a MPT adapter structure.
2395  */
2396 static void
2397 mpt_adapter_dispose(MPT_ADAPTER *ioc)
2398 {
2399         int sz_first, sz_last;
2400
2401         if (ioc == NULL)
2402                 return;
2403
2404         sz_first = ioc->alloc_total;
2405
2406         mpt_adapter_disable(ioc);
2407
2408         if (ioc->pci_irq != -1) {
2409                 free_irq(ioc->pci_irq, ioc);
2410                 if (mpt_msi_enable)
2411                         pci_disable_msi(ioc->pcidev);
2412                 ioc->pci_irq = -1;
2413         }
2414
2415         if (ioc->memmap != NULL) {
2416                 iounmap(ioc->memmap);
2417                 ioc->memmap = NULL;
2418         }
2419
2420         pci_disable_device(ioc->pcidev);
2421         pci_release_selected_regions(ioc->pcidev, ioc->bars);
2422
2423 #if defined(CONFIG_MTRR) && 0
2424         if (ioc->mtrr_reg > 0) {
2425                 mtrr_del(ioc->mtrr_reg, 0, 0);
2426                 dprintk(ioc, printk(MYIOC_s_INFO_FMT "MTRR region de-registered\n", ioc->name));
2427         }
2428 #endif
2429
2430         /*  Zap the adapter lookup ptr!  */
2431         list_del(&ioc->list);
2432
2433         sz_last = ioc->alloc_total;
2434         dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
2435             ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2436
2437         if (ioc->alt_ioc)
2438                 ioc->alt_ioc->alt_ioc = NULL;
2439
2440         kfree(ioc);
2441 }
2442
2443 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2444 /**
2445  *      MptDisplayIocCapabilities - Disply IOC's capabilities.
2446  *      @ioc: Pointer to MPT adapter structure
2447  */
2448 static void
2449 MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
2450 {
2451         int i = 0;
2452
2453         printk(KERN_INFO "%s: ", ioc->name);
2454         if (ioc->prod_name)
2455                 printk("%s: ", ioc->prod_name);
2456         printk("Capabilities={");
2457
2458         if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2459                 printk("Initiator");
2460                 i++;
2461         }
2462
2463         if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2464                 printk("%sTarget", i ? "," : "");
2465                 i++;
2466         }
2467
2468         if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
2469                 printk("%sLAN", i ? "," : "");
2470                 i++;
2471         }
2472
2473 #if 0
2474         /*
2475          *  This would probably evoke more questions than it's worth
2476          */
2477         if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2478                 printk("%sLogBusAddr", i ? "," : "");
2479                 i++;
2480         }
2481 #endif
2482
2483         printk("}\n");
2484 }
2485
2486 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2487 /**
2488  *      MakeIocReady - Get IOC to a READY state, using KickStart if needed.
2489  *      @ioc: Pointer to MPT_ADAPTER structure
2490  *      @force: Force hard KickStart of IOC
2491  *      @sleepFlag: Specifies whether the process can sleep
2492  *
2493  *      Returns:
2494  *               1 - DIAG reset and READY
2495  *               0 - READY initially OR soft reset and READY
2496  *              -1 - Any failure on KickStart
2497  *              -2 - Msg Unit Reset Failed
2498  *              -3 - IO Unit Reset Failed
2499  *              -4 - IOC owned by a PEER
2500  */
2501 static int
2502 MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
2503 {
2504         u32      ioc_state;
2505         int      statefault = 0;
2506         int      cntdn;
2507         int      hard_reset_done = 0;
2508         int      r;
2509         int      ii;
2510         int      whoinit;
2511
2512         /* Get current [raw] IOC state  */
2513         ioc_state = mpt_GetIocState(ioc, 0);
2514         dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
2515
2516         /*
2517          *      Check to see if IOC got left/stuck in doorbell handshake
2518          *      grip of death.  If so, hard reset the IOC.
2519          */
2520         if (ioc_state & MPI_DOORBELL_ACTIVE) {
2521                 statefault = 1;
2522                 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
2523                                 ioc->name);
2524         }
2525
2526         /* Is it already READY? */
2527         if (!statefault && (ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)
2528                 return 0;
2529
2530         /*
2531          *      Check to see if IOC is in FAULT state.
2532          */
2533         if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
2534                 statefault = 2;
2535                 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2536                     ioc->name);
2537                 printk(MYIOC_s_WARN_FMT "           FAULT code = %04xh\n",
2538                     ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
2539         }
2540
2541         /*
2542          *      Hmmm...  Did it get left operational?
2543          */
2544         if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2545                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
2546                                 ioc->name));
2547
2548                 /* Check WhoInit.
2549                  * If PCI Peer, exit.
2550                  * Else, if no fault conditions are present, issue a MessageUnitReset
2551                  * Else, fall through to KickStart case
2552                  */
2553                 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2554                 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2555                         "whoinit 0x%x statefault %d force %d\n",
2556                         ioc->name, whoinit, statefault, force));
2557                 if (whoinit == MPI_WHOINIT_PCI_PEER)
2558                         return -4;
2559                 else {
2560                         if ((statefault == 0 ) && (force == 0)) {
2561                                 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
2562                                         return 0;
2563                         }
2564                         statefault = 3;
2565                 }
2566         }
2567
2568         hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
2569         if (hard_reset_done < 0)
2570                 return -1;
2571
2572         /*
2573          *  Loop here waiting for IOC to come READY.
2574          */
2575         ii = 0;
2576         cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5;     /* 5 seconds */
2577
2578         while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
2579                 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
2580                         /*
2581                          *  BIOS or previous driver load left IOC in OP state.
2582                          *  Reset messaging FIFOs.
2583                          */
2584                         if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
2585                                 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
2586                                 return -2;
2587                         }
2588                 } else if (ioc_state == MPI_IOC_STATE_RESET) {
2589                         /*
2590                          *  Something is wrong.  Try to get IOC back
2591                          *  to a known state.
2592                          */
2593                         if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
2594                                 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
2595                                 return -3;
2596                         }
2597                 }
2598
2599                 ii++; cntdn--;
2600                 if (!cntdn) {
2601                         printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
2602                                         ioc->name, (int)((ii+5)/HZ));
2603                         return -ETIME;
2604                 }
2605
2606                 if (sleepFlag == CAN_SLEEP) {
2607                         msleep(1);
2608                 } else {
2609                         mdelay (1);     /* 1 msec delay */
2610                 }
2611
2612         }
2613
2614         if (statefault < 3) {
2615                 printk(MYIOC_s_INFO_FMT "Recovered from %s\n",
2616                                 ioc->name,
2617                                 statefault==1 ? "stuck handshake" : "IOC FAULT");
2618         }
2619
2620         return hard_reset_done;
2621 }
2622
2623 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2624 /**
2625  *      mpt_GetIocState - Get the current state of a MPT adapter.
2626  *      @ioc: Pointer to MPT_ADAPTER structure
2627  *      @cooked: Request raw or cooked IOC state
2628  *
2629  *      Returns all IOC Doorbell register bits if cooked==0, else just the
2630  *      Doorbell bits in MPI_IOC_STATE_MASK.
2631  */
2632 u32
2633 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
2634 {
2635         u32 s, sc;
2636
2637         /*  Get!  */
2638         s = CHIPREG_READ32(&ioc->chip->Doorbell);
2639         sc = s & MPI_IOC_STATE_MASK;
2640
2641         /*  Save!  */
2642         ioc->last_state = sc;
2643
2644         return cooked ? sc : s;
2645 }
2646
2647 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2648 /**
2649  *      GetIocFacts - Send IOCFacts request to MPT adapter.
2650  *      @ioc: Pointer to MPT_ADAPTER structure
2651  *      @sleepFlag: Specifies whether the process can sleep
2652  *      @reason: If recovery, only update facts.
2653  *
2654  *      Returns 0 for success, non-zero for failure.
2655  */
2656 static int
2657 GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
2658 {
2659         IOCFacts_t               get_facts;
2660         IOCFactsReply_t         *facts;
2661         int                      r;
2662         int                      req_sz;
2663         int                      reply_sz;
2664         int                      sz;
2665         u32                      status, vv;
2666         u8                       shiftFactor=1;
2667
2668         /* IOC *must* NOT be in RESET state! */
2669         if (ioc->last_state == MPI_IOC_STATE_RESET) {
2670                 printk(MYIOC_s_ERR_FMT "Can't get IOCFacts NOT READY! (%08x)\n",
2671                     ioc->name, ioc->last_state );
2672                 return -44;
2673         }
2674
2675         facts = &ioc->facts;
2676
2677         /* Destination (reply area)... */
2678         reply_sz = sizeof(*facts);
2679         memset(facts, 0, reply_sz);
2680
2681         /* Request area (get_facts on the stack right now!) */
2682         req_sz = sizeof(get_facts);
2683         memset(&get_facts, 0, req_sz);
2684
2685         get_facts.Function = MPI_FUNCTION_IOC_FACTS;
2686         /* Assert: All other get_facts fields are zero! */
2687
2688         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2689             "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
2690             ioc->name, req_sz, reply_sz));
2691
2692         /* No non-zero fields in the get_facts request are greater than
2693          * 1 byte in size, so we can just fire it off as is.
2694          */
2695         r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
2696                         reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
2697         if (r != 0)
2698                 return r;
2699
2700         /*
2701          * Now byte swap (GRRR) the necessary fields before any further
2702          * inspection of reply contents.
2703          *
2704          * But need to do some sanity checks on MsgLength (byte) field
2705          * to make sure we don't zero IOC's req_sz!
2706          */
2707         /* Did we get a valid reply? */
2708         if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
2709                 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2710                         /*
2711                          * If not been here, done that, save off first WhoInit value
2712                          */
2713                         if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
2714                                 ioc->FirstWhoInit = facts->WhoInit;
2715                 }
2716
2717                 facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
2718                 facts->MsgContext = le32_to_cpu(facts->MsgContext);
2719                 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
2720                 facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
2721                 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
2722                 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK;
2723                 /* CHECKME! IOCStatus, IOCLogInfo */
2724
2725                 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
2726                 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
2727
2728                 /*
2729                  * FC f/w version changed between 1.1 and 1.2
2730                  *      Old: u16{Major(4),Minor(4),SubMinor(8)}
2731                  *      New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
2732                  */
2733                 if (facts->MsgVersion < 0x0102) {
2734                         /*
2735                          *      Handle old FC f/w style, convert to new...
2736                          */
2737                         u16      oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
2738                         facts->FWVersion.Word =
2739                                         ((oldv<<12) & 0xFF000000) |
2740                                         ((oldv<<8)  & 0x000FFF00);
2741                 } else
2742                         facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
2743
2744                 facts->ProductID = le16_to_cpu(facts->ProductID);
2745                 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
2746                     > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
2747                         ioc->ir_firmware = 1;
2748                 facts->CurrentHostMfaHighAddr =
2749                                 le32_to_cpu(facts->CurrentHostMfaHighAddr);
2750                 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
2751                 facts->CurrentSenseBufferHighAddr =
2752                                 le32_to_cpu(facts->CurrentSenseBufferHighAddr);
2753                 facts->CurReplyFrameSize =
2754                                 le16_to_cpu(facts->CurReplyFrameSize);
2755                 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
2756
2757                 /*
2758                  * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
2759                  * Older MPI-1.00.xx struct had 13 dwords, and enlarged
2760                  * to 14 in MPI-1.01.0x.
2761                  */
2762                 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
2763                     facts->MsgVersion > 0x0100) {
2764                         facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
2765                 }
2766
2767                 sz = facts->FWImageSize;
2768                 if ( sz & 0x01 )
2769                         sz += 1;
2770                 if ( sz & 0x02 )
2771                         sz += 2;
2772                 facts->FWImageSize = sz;
2773
2774                 if (!facts->RequestFrameSize) {
2775                         /*  Something is wrong!  */
2776                         printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
2777                                         ioc->name);
2778                         return -55;
2779                 }
2780
2781                 r = sz = facts->BlockSize;
2782                 vv = ((63 / (sz * 4)) + 1) & 0x03;
2783                 ioc->NB_for_64_byte_frame = vv;
2784                 while ( sz )
2785                 {
2786                         shiftFactor++;
2787                         sz = sz >> 1;
2788                 }
2789                 ioc->NBShiftFactor  = shiftFactor;
2790                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2791                     "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
2792                     ioc->name, vv, shiftFactor, r));
2793
2794                 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2795                         /*
2796                          * Set values for this IOC's request & reply frame sizes,
2797                          * and request & reply queue depths...
2798                          */
2799                         ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
2800                         ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
2801                         ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
2802                         ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
2803
2804                         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
2805                                 ioc->name, ioc->reply_sz, ioc->reply_depth));
2806                         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz  =%3d, req_depth  =%4d\n",
2807                                 ioc->name, ioc->req_sz, ioc->req_depth));
2808
2809                         /* Get port facts! */
2810                         if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
2811                                 return r;
2812                 }
2813         } else {
2814                 printk(MYIOC_s_ERR_FMT
2815                      "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
2816                      ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
2817                      RequestFrameSize)/sizeof(u32)));
2818                 return -66;
2819         }
2820
2821         return 0;
2822 }
2823
2824 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2825 /**
2826  *      GetPortFacts - Send PortFacts request to MPT adapter.
2827  *      @ioc: Pointer to MPT_ADAPTER structure
2828  *      @portnum: Port number
2829  *      @sleepFlag: Specifies whether the process can sleep
2830  *
2831  *      Returns 0 for success, non-zero for failure.
2832  */
2833 static int
2834 GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
2835 {
2836         PortFacts_t              get_pfacts;
2837         PortFactsReply_t        *pfacts;
2838         int                      ii;
2839         int                      req_sz;
2840         int                      reply_sz;
2841         int                      max_id;
2842
2843         /* IOC *must* NOT be in RESET state! */
2844         if (ioc->last_state == MPI_IOC_STATE_RESET) {
2845                 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
2846                     ioc->name, ioc->last_state );
2847                 return -4;
2848         }
2849
2850         pfacts = &ioc->pfacts[portnum];
2851
2852         /* Destination (reply area)...  */
2853         reply_sz = sizeof(*pfacts);
2854         memset(pfacts, 0, reply_sz);
2855
2856         /* Request area (get_pfacts on the stack right now!) */
2857         req_sz = sizeof(get_pfacts);
2858         memset(&get_pfacts, 0, req_sz);
2859
2860         get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
2861         get_pfacts.PortNumber = portnum;
2862         /* Assert: All other get_pfacts fields are zero! */
2863
2864         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
2865                         ioc->name, portnum));
2866
2867         /* No non-zero fields in the get_pfacts request are greater than
2868          * 1 byte in size, so we can just fire it off as is.
2869          */
2870         ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
2871                                 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
2872         if (ii != 0)
2873                 return ii;
2874
2875         /* Did we get a valid reply? */
2876
2877         /* Now byte swap the necessary fields in the response. */
2878         pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
2879         pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
2880         pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
2881         pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
2882         pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
2883         pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
2884         pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
2885         pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
2886         pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
2887
2888         max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
2889             pfacts->MaxDevices;
2890         ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
2891         ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;
2892
2893         /*
2894          * Place all the devices on channels
2895          *
2896          * (for debuging)
2897          */
2898         if (mpt_channel_mapping) {
2899                 ioc->devices_per_bus = 1;
2900                 ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
2901         }
2902
2903         return 0;
2904 }
2905
2906 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2907 /**
2908  *      SendIocInit - Send IOCInit request to MPT adapter.
2909  *      @ioc: Pointer to MPT_ADAPTER structure
2910  *      @sleepFlag: Specifies whether the process can sleep
2911  *
2912  *      Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
2913  *
2914  *      Returns 0 for success, non-zero for failure.
2915  */
2916 static int
2917 SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
2918 {
2919         IOCInit_t                ioc_init;
2920         MPIDefaultReply_t        init_reply;
2921         u32                      state;
2922         int                      r;
2923         int                      count;
2924         int                      cntdn;
2925
2926         memset(&ioc_init, 0, sizeof(ioc_init));
2927         memset(&init_reply, 0, sizeof(init_reply));
2928
2929         ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
2930         ioc_init.Function = MPI_FUNCTION_IOC_INIT;
2931
2932         /* If we are in a recovery mode and we uploaded the FW image,
2933          * then this pointer is not NULL. Skip the upload a second time.
2934          * Set this flag if cached_fw set for either IOC.
2935          */
2936         if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
2937                 ioc->upload_fw = 1;
2938         else
2939                 ioc->upload_fw = 0;
2940         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
2941                    ioc->name, ioc->upload_fw, ioc->facts.Flags));
2942
2943         ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
2944         ioc_init.MaxBuses = (U8)ioc->number_of_buses;
2945         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
2946                    ioc->name, ioc->facts.MsgVersion));
2947         if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
2948                 // set MsgVersion and HeaderVersion host driver was built with
2949                 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
2950                 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);
2951
2952                 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
2953                         ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
2954                 } else if(mpt_host_page_alloc(ioc, &ioc_init))
2955                         return -99;
2956         }
2957         ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz);   /* in BYTES */
2958
2959         if (sizeof(dma_addr_t) == sizeof(u64)) {
2960                 /* Save the upper 32-bits of the request
2961                  * (reply) and sense buffers.
2962                  */
2963                 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
2964                 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
2965         } else {
2966                 /* Force 32-bit addressing */
2967                 ioc_init.HostMfaHighAddr = cpu_to_le32(0);
2968                 ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
2969         }
2970
2971         ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
2972         ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
2973         ioc->facts.MaxDevices = ioc_init.MaxDevices;
2974         ioc->facts.MaxBuses = ioc_init.MaxBuses;
2975
2976         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
2977                         ioc->name, &ioc_init));
2978
2979         r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
2980                                 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
2981         if (r != 0) {
2982                 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
2983                 return r;
2984         }
2985
2986         /* No need to byte swap the multibyte fields in the reply
2987          * since we don't even look at its contents.
2988          */
2989
2990         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
2991                         ioc->name, &ioc_init));
2992
2993         if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
2994                 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
2995                 return r;
2996         }
2997
2998         /* YIKES!  SUPER IMPORTANT!!!
2999          *  Poll IocState until _OPERATIONAL while IOC is doing
3000          *  LoopInit and TargetDiscovery!
3001          */
3002         count = 0;
3003         cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60;    /* 60 seconds */
3004         state = mpt_GetIocState(ioc, 1);
3005         while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
3006                 if (sleepFlag == CAN_SLEEP) {
3007                         msleep(1);
3008                 } else {
3009                         mdelay(1);
3010                 }
3011
3012                 if (!cntdn) {
3013                         printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
3014                                         ioc->name, (int)((count+5)/HZ));
3015                         return -9;
3016                 }
3017
3018                 state = mpt_GetIocState(ioc, 1);
3019                 count++;
3020         }
3021         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
3022                         ioc->name, count));
3023
3024         ioc->aen_event_read_flag=0;
3025         return r;
3026 }
3027
3028 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3029 /**
3030  *      SendPortEnable - Send PortEnable request to MPT adapter port.
3031  *      @ioc: Pointer to MPT_ADAPTER structure
3032  *      @portnum: Port number to enable
3033  *      @sleepFlag: Specifies whether the process can sleep
3034  *
3035  *      Send PortEnable to bring IOC to OPERATIONAL state.
3036  *
3037  *      Returns 0 for success, non-zero for failure.
3038  */
3039 static int
3040 SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3041 {
3042         PortEnable_t             port_enable;
3043         MPIDefaultReply_t        reply_buf;
3044         int      rc;
3045         int      req_sz;
3046         int      reply_sz;
3047
3048         /*  Destination...  */
3049         reply_sz = sizeof(MPIDefaultReply_t);
3050         memset(&reply_buf, 0, reply_sz);
3051
3052         req_sz = sizeof(PortEnable_t);
3053         memset(&port_enable, 0, req_sz);
3054
3055         port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
3056         port_enable.PortNumber = portnum;
3057 /*      port_enable.ChainOffset = 0;            */
3058 /*      port_enable.MsgFlags = 0;               */
3059 /*      port_enable.MsgContext = 0;             */
3060
3061         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
3062                         ioc->name, portnum, &port_enable));
3063
3064         /* RAID FW may take a long time to enable
3065          */
3066         if (ioc->ir_firmware || ioc->bus_type == SAS) {
3067                 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3068                 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3069                 300 /*seconds*/, sleepFlag);
3070         } else {
3071                 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3072                 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3073                 30 /*seconds*/, sleepFlag);
3074         }
3075         return rc;
3076 }
3077
3078 /**
3079  *      mpt_alloc_fw_memory - allocate firmware memory
3080  *      @ioc: Pointer to MPT_ADAPTER structure
3081  *      @size: total FW bytes
3082  *
3083  *      If memory has already been allocated, the same (cached) value
3084  *      is returned.
3085  *
3086  *      Return 0 if successfull, or non-zero for failure
3087  **/
3088 int
3089 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
3090 {
3091         int rc;
3092
3093         if (ioc->cached_fw) {
3094                 rc = 0;  /* use already allocated memory */
3095                 goto out;
3096         }
3097         else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
3098                 ioc->cached_fw = ioc->alt_ioc->cached_fw;  /* use alt_ioc's memory */
3099                 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3100                 rc = 0;
3101                 goto out;
3102         }
3103         ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
3104         if (!ioc->cached_fw) {
3105                 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
3106                     ioc->name);
3107                 rc = -1;
3108         } else {
3109                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image  @ %p[%p], sz=%d[%x] bytes\n",
3110                     ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
3111                 ioc->alloc_total += size;
3112                 rc = 0;
3113         }
3114  out:
3115         return rc;
3116 }
3117
3118 /**
3119  *      mpt_free_fw_memory - free firmware memory
3120  *      @ioc: Pointer to MPT_ADAPTER structure
3121  *
3122  *      If alt_img is NULL, delete from ioc structure.
3123  *      Else, delete a secondary image in same format.
3124  **/
3125 void
3126 mpt_free_fw_memory(MPT_ADAPTER *ioc)
3127 {
3128         int sz;
3129
3130         if (!ioc->cached_fw)
3131                 return;
3132
3133         sz = ioc->facts.FWImageSize;
3134         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image  @ %p[%p], sz=%d[%x] bytes\n",
3135                  ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3136         pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3137         ioc->alloc_total -= sz;
3138         ioc->cached_fw = NULL;
3139 }
3140
3141 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3142 /**
3143  *      mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
3144  *      @ioc: Pointer to MPT_ADAPTER structure
3145  *      @sleepFlag: Specifies whether the process can sleep
3146  *
3147  *      Returns 0 for success, >0 for handshake failure
3148  *              <0 for fw upload failure.
3149  *
3150  *      Remark: If bound IOC and a successful FWUpload was performed
3151  *      on the bound IOC, the second image is discarded
3152  *      and memory is free'd. Both channels must upload to prevent
3153  *      IOC from running in degraded mode.
3154  */
3155 static int
3156 mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
3157 {
3158         u8                       reply[sizeof(FWUploadReply_t)];
3159         FWUpload_t              *prequest;
3160         FWUploadReply_t         *preply;
3161         FWUploadTCSGE_t         *ptcsge;
3162         int                      sgeoffset;
3163         u32                      flagsLength;
3164         int                      ii, sz, reply_sz;
3165         int                      cmdStatus;
3166
3167         /* If the image size is 0, we are done.
3168          */
3169         if ((sz = ioc->facts.FWImageSize) == 0)
3170                 return 0;
3171
3172         if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
3173                 return -ENOMEM;
3174
3175         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image  @ %p[%p], sz=%d[%x] bytes\n",
3176             ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3177
3178         prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
3179             kzalloc(ioc->req_sz, GFP_KERNEL);
3180         if (!prequest) {
3181                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
3182                     "while allocating memory \n", ioc->name));
3183                 mpt_free_fw_memory(ioc);
3184                 return -ENOMEM;
3185         }
3186
3187         preply = (FWUploadReply_t *)&reply;
3188
3189         reply_sz = sizeof(reply);
3190         memset(preply, 0, reply_sz);
3191
3192         prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
3193         prequest->Function = MPI_FUNCTION_FW_UPLOAD;
3194
3195         ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
3196         ptcsge->DetailsLength = 12;
3197         ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
3198         ptcsge->ImageSize = cpu_to_le32(sz);
3199         ptcsge++;
3200
3201         sgeoffset = sizeof(FWUpload_t) - sizeof(SGE_MPI_UNION) + sizeof(FWUploadTCSGE_t);
3202
3203         flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3204         mpt_add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
3205
3206         sgeoffset += sizeof(u32) + sizeof(dma_addr_t);
3207         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": Sending FW Upload (req @ %p) sgeoffset=%d \n",
3208             ioc->name, prequest, sgeoffset));
3209         DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
3210
3211         ii = mpt_handshake_req_reply_wait(ioc, sgeoffset, (u32*)prequest,
3212                                 reply_sz, (u16*)preply, 65 /*seconds*/, sleepFlag);
3213
3214         dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Upload completed rc=%x \n", ioc->name, ii));
3215
3216         cmdStatus = -EFAULT;
3217         if (ii == 0) {
3218                 /* Handshake transfer was complete and successful.
3219                  * Check the Reply Frame.
3220                  */
3221                 int status, transfer_sz;
3222                 status = le16_to_cpu(preply->IOCStatus);
3223                 if (status == MPI_IOCSTATUS_SUCCESS) {
3224                         transfer_sz = le32_to_cpu(preply->ActualImageSize);
3225                         if (transfer_sz == sz)
3226                                 cmdStatus = 0;
3227                 }
3228         }
3229         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
3230                         ioc->name, cmdStatus));
3231
3232
3233         if (cmdStatus) {
3234
3235                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": fw upload failed, freeing image \n",
3236                         ioc->name));
3237                 mpt_free_fw_memory(ioc);
3238         }
3239         kfree(prequest);
3240
3241         return cmdStatus;
3242 }
3243
3244 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3245 /**
3246  *      mpt_downloadboot - DownloadBoot code
3247  *      @ioc: Pointer to MPT_ADAPTER structure
3248  *      @pFwHeader: Pointer to firmware header info
3249  *      @sleepFlag: Specifies whether the process can sleep
3250  *
3251  *      FwDownloadBoot requires Programmed IO access.
3252  *
3253  *      Returns 0 for success
3254  *              -1 FW Image size is 0
3255  *              -2 No valid cached_fw Pointer
3256  *              <0 for fw upload failure.
3257  */
3258 static int
3259 mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
3260 {
3261         MpiExtImageHeader_t     *pExtImage;
3262         u32                      fwSize;
3263         u32                      diag0val;
3264         int                      count;
3265         u32                     *ptrFw;
3266         u32                      diagRwData;
3267         u32                      nextImage;
3268         u32                      load_addr;
3269         u32                      ioc_state=0;
3270
3271         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3272                                 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3273
3274         CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3275         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3276         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3277         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3278         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3279         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3280
3281         CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
3282
3283         /* wait 1 msec */
3284         if (sleepFlag == CAN_SLEEP) {
3285                 msleep(1);
3286         } else {
3287                 mdelay (1);
3288         }
3289
3290         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3291         CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3292
3293         for (count = 0; count < 30; count ++) {
3294                 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3295                 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3296                         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
3297                                 ioc->name, count));
3298                         break;
3299                 }
3300                 /* wait .1 sec */
3301                 if (sleepFlag == CAN_SLEEP) {
3302                         msleep (100);
3303                 } else {
3304                         mdelay (100);
3305                 }
3306         }
3307
3308         if ( count == 30 ) {
3309                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3310                 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
3311                 ioc->name, diag0val));
3312                 return -3;
3313         }
3314
3315         CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3316         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3317         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3318         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3319         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3320         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3321
3322         /* Set the DiagRwEn and Disable ARM bits */
3323         CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
3324
3325         fwSize = (pFwHeader->ImageSize + 3)/4;
3326         ptrFw = (u32 *) pFwHeader;
3327
3328         /* Write the LoadStartAddress to the DiagRw Address Register
3329          * using Programmed IO
3330          */
3331         if (ioc->errata_flag_1064)
3332                 pci_enable_io_access(ioc->pcidev);
3333
3334         CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3335         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
3336                 ioc->name, pFwHeader->LoadStartAddress));
3337
3338         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
3339                                 ioc->name, fwSize*4, ptrFw));
3340         while (fwSize--) {
3341                 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3342         }
3343
3344         nextImage = pFwHeader->NextImageHeaderOffset;
3345         while (nextImage) {
3346                 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
3347
3348                 load_addr = pExtImage->LoadStartAddress;
3349
3350                 fwSize = (pExtImage->ImageSize + 3) >> 2;
3351                 ptrFw = (u32 *)pExtImage;
3352
3353                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3354                                                 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
3355                 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
3356
3357                 while (fwSize--) {
3358                         CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3359                 }
3360                 nextImage = pExtImage->NextImageHeaderOffset;
3361         }
3362
3363         /* Write the IopResetVectorRegAddr */
3364         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name,  pFwHeader->IopResetRegAddr));
3365         CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
3366
3367         /* Write the IopResetVectorValue */
3368         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
3369         CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
3370
3371         /* Clear the internal flash bad bit - autoincrementing register,
3372          * so must do two writes.
3373          */
3374         if (ioc->bus_type == SPI) {
3375                 /*
3376                  * 1030 and 1035 H/W errata, workaround to access
3377                  * the ClearFlashBadSignatureBit
3378                  */
3379                 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3380                 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
3381                 diagRwData |= 0x40000000;
3382                 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3383                 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
3384
3385         } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
3386                 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3387                 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
3388                     MPI_DIAG_CLEAR_FLASH_BAD_SIG);
3389
3390                 /* wait 1 msec */
3391                 if (sleepFlag == CAN_SLEEP) {
3392                         msleep (1);
3393                 } else {
3394                         mdelay (1);
3395                 }
3396         }
3397
3398         if (ioc->errata_flag_1064)
3399                 pci_disable_io_access(ioc->pcidev);
3400
3401         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3402         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3403                 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
3404                 ioc->name, diag0val));
3405         diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3406         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
3407                 ioc->name, diag0val));
3408         CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3409
3410         /* Write 0xFF to reset the sequencer */
3411         CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3412
3413         if (ioc->bus_type == SAS) {
3414                 ioc_state = mpt_GetIocState(ioc, 0);
3415                 if ( (GetIocFacts(ioc, sleepFlag,
3416                                 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3417                         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3418                                         ioc->name, ioc_state));
3419                         return -EFAULT;
3420                 }
3421         }
3422
3423         for (count=0; count<HZ*20; count++) {
3424                 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3425                         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3426                                 "downloadboot successful! (count=%d) IocState=%x\n",
3427                                 ioc->name, count, ioc_state));
3428                         if (ioc->bus_type == SAS) {
3429                                 return 0;
3430                         }
3431                         if ((SendIocInit(ioc, sleepFlag)) != 0) {
3432                                 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3433                                         "downloadboot: SendIocInit failed\n",
3434                                         ioc->name));
3435                                 return -EFAULT;
3436                         }
3437                         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3438                                         "downloadboot: SendIocInit successful\n",
3439                                         ioc->name));
3440                         return 0;
3441                 }
3442                 if (sleepFlag == CAN_SLEEP) {
3443                         msleep (10);
3444                 } else {
3445                         mdelay (10);
3446                 }
3447         }
3448         ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3449                 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
3450         return -EFAULT;
3451 }
3452
3453 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3454 /**
3455  *      KickStart - Perform hard reset of MPT adapter.
3456  *      @ioc: Pointer to MPT_ADAPTER structure
3457  *      @force: Force hard reset
3458  *      @sleepFlag: Specifies whether the process can sleep
3459  *
3460  *      This routine places MPT adapter in diagnostic mode via the
3461  *      WriteSequence register, and then performs a hard reset of adapter
3462  *      via the Diagnostic register.
3463  *
3464  *      Inputs:   sleepflag - CAN_SLEEP (non-interrupt thread)
3465  *                      or NO_SLEEP (interrupt thread, use mdelay)
3466  *                force - 1 if doorbell active, board fault state
3467  *                              board operational, IOC_RECOVERY or
3468  *                              IOC_BRINGUP and there is an alt_ioc.
3469  *                        0 else
3470  *
3471  *      Returns:
3472  *               1 - hard reset, READY
3473  *               0 - no reset due to History bit, READY
3474  *              -1 - no reset due to History bit but not READY
3475  *                   OR reset but failed to come READY
3476  *              -2 - no reset, could not enter DIAG mode
3477  *              -3 - reset but bad FW bit
3478  */
3479 static int
3480 KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
3481 {
3482         int hard_reset_done = 0;
3483         u32 ioc_state=0;
3484         int cnt,cntdn;
3485
3486         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3487         if (ioc->bus_type == SPI) {
3488                 /* Always issue a Msg Unit Reset first. This will clear some
3489                  * SCSI bus hang conditions.
3490                  */
3491                 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
3492
3493                 if (sleepFlag == CAN_SLEEP) {
3494                         msleep (1000);
3495                 } else {
3496                         mdelay (1000);
3497                 }
3498         }
3499
3500         hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
3501         if (hard_reset_done < 0)
3502                 return hard_reset_done;
3503
3504         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3505                 ioc->name));
3506
3507         cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2;     /* 2 seconds */
3508         for (cnt=0; cnt<cntdn; cnt++) {
3509                 ioc_state = mpt_GetIocState(ioc, 1);
3510                 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3511                         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
3512                                         ioc->name, cnt));
3513                         return hard_reset_done;
3514                 }
3515                 if (sleepFlag == CAN_SLEEP) {
3516                         msleep (10);
3517                 } else {
3518                         mdelay (10);
3519                 }
3520         }
3521
3522         dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
3523                 ioc->name, mpt_GetIocState(ioc, 0)));
3524         return -1;
3525 }
3526
3527 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3528 /**
3529  *      mpt_diag_reset - Perform hard reset of the adapter.
3530  *      @ioc: Pointer to MPT_ADAPTER structure
3531  *      @ignore: Set if to honor and clear to ignore
3532  *              the reset history bit
3533  *      @sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
3534  *              else set to NO_SLEEP (use mdelay instead)
3535  *
3536  *      This routine places the adapter in diagnostic mode via the
3537  *      WriteSequence register and then performs a hard reset of adapter
3538  *      via the Diagnostic register. Adapter should be in ready state
3539  *      upon successful completion.
3540  *
3541  *      Returns:  1  hard reset successful
3542  *                0  no reset performed because reset history bit set
3543  *               -2  enabling diagnostic mode failed
3544  *               -3  diagnostic reset failed
3545  */
3546 static int
3547 mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
3548 {
3549         u32 diag0val;
3550         u32 doorbell;
3551         int hard_reset_done = 0;
3552         int count = 0;
3553         u32 diag1val = 0;
3554         MpiFwHeader_t *cached_fw;       /* Pointer to FW */
3555
3556         /* Clear any existing interrupts */
3557         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
3558
3559         if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3560                 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3561                         "address=%p\n",  ioc->name, __FUNCTION__,
3562                         &ioc->chip->Doorbell, &ioc->chip->Reset_1078));
3563                 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
3564                 if (sleepFlag == CAN_SLEEP)
3565                         msleep(1);
3566                 else
3567                         mdelay(1);
3568
3569                 for (count = 0; count < 60; count ++) {
3570                         doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
3571                         doorbell &= MPI_IOC_STATE_MASK;
3572
3573                         drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3574                                 "looking for READY STATE: doorbell=%x"
3575                                 " count=%d\n",
3576                                 ioc->name, doorbell, count));
3577                         if (doorbell == MPI_IOC_STATE_READY) {
3578                                 return 1;
3579                         }
3580
3581                         /* wait 1 sec */
3582                         if (sleepFlag == CAN_SLEEP)
3583                                 msleep(1000);
3584                         else
3585                                 mdelay(1000);
3586                 }
3587                 return -1;
3588         }
3589
3590         /* Use "Diagnostic reset" method! (only thing available!) */
3591         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3592
3593         if (ioc->debug_level & MPT_DEBUG) {
3594                 if (ioc->alt_ioc)
3595                         diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
3596                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
3597                         ioc->name, diag0val, diag1val));
3598         }
3599
3600         /* Do the reset if we are told to ignore the reset history
3601          * or if the reset history is 0
3602          */
3603         if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
3604                 while ((diag0val & MPI_DIAG_DRWE) == 0) {
3605                         /* Write magic sequence to WriteSequence register
3606                          * Loop until in diagnostic mode
3607                          */
3608                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3609                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3610                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3611                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3612                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3613                         CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3614
3615                         /* wait 100 msec */
3616                         if (sleepFlag == CAN_SLEEP) {
3617                                 msleep (100);
3618                         } else {
3619                                 mdelay (100);
3620                         }
3621
3622                         count++;
3623                         if (count > 20) {
3624                                 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
3625                                                 ioc->name, diag0val);
3626                                 return -2;
3627
3628                         }
3629
3630                         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3631
3632                         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
3633                                         ioc->name, diag0val));
3634                 }
3635
3636                 if (ioc->debug_level & MPT_DEBUG) {
3637                         if (ioc->alt_ioc)
3638                                 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
3639                         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
3640                                 ioc->name, diag0val, diag1val));
3641                 }
3642                 /*
3643                  * Disable the ARM (Bug fix)
3644                  *
3645                  */
3646                 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
3647                 mdelay(1);
3648
3649                 /*
3650                  * Now hit the reset bit in the Diagnostic register
3651                  * (THE BIG HAMMER!) (Clears DRWE bit).
3652                  */
3653                 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3654                 hard_reset_done = 1;
3655                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
3656                                 ioc->name));
3657
3658                 /*
3659                  * Call each currently registered protocol IOC reset handler
3660                  * with pre-reset indication.
3661                  * NOTE: If we're doing _IOC_BRINGUP, there can be no
3662                  * MptResetHandlers[] registered yet.
3663                  */
3664                 {
3665                         u8       cb_idx;
3666                         int      r = 0;
3667
3668                         for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
3669                                 if (MptResetHandlers[cb_idx]) {
3670                                         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3671                                                 "Calling IOC pre_reset handler #%d\n",
3672                                                 ioc->name, cb_idx));
3673                                         r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
3674                                         if (ioc->alt_ioc) {
3675                                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3676                                                         "Calling alt-%s pre_reset handler #%d\n",
3677                                                         ioc->name, ioc->alt_ioc->name, cb_idx));
3678                                                 r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_PRE_RESET);
3679                                         }
3680                                 }
3681                         }
3682                         /* FIXME?  Examine results here? */
3683                 }
3684
3685                 if (ioc->cached_fw)
3686                         cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
3687                 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
3688                         cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
3689                 else
3690                         cached_fw = NULL;
3691                 if (cached_fw) {
3692                         /* If the DownloadBoot operation fails, the
3693                          * IOC will be left unusable. This is a fatal error
3694                          * case.  _diag_reset will return < 0
3695                          */
3696                         for (count = 0; count < 30; count ++) {
3697                                 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3698                                 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3699                                         break;
3700                                 }
3701
3702                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
3703                                         ioc->name, diag0val, count));
3704                                 /* wait 1 sec */
3705                                 if (sleepFlag == CAN_SLEEP) {
3706                                         msleep (1000);
3707                                 } else {
3708                                         mdelay (1000);
3709                                 }
3710                         }
3711                         if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
3712                                 printk(MYIOC_s_WARN_FMT
3713                                         "firmware downloadboot failure (%d)!\n", ioc->name, count);
3714                         }
3715
3716                 } else {
3717                         /* Wait for FW to reload and for board
3718                          * to go to the READY state.
3719                          * Maximum wait is 60 seconds.
3720                          * If fail, no error will check again
3721                          * with calling program.
3722                          */
3723                         for (count = 0; count < 60; count ++) {
3724                                 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
3725                                 doorbell &= MPI_IOC_STATE_MASK;
3726
3727                                 if (doorbell == MPI_IOC_STATE_READY) {
3728                                         break;
3729                                 }
3730
3731                                 /* wait 1 sec */
3732                                 if (sleepFlag == CAN_SLEEP) {
3733                                         msleep (1000);
3734                                 } else {
3735                                         mdelay (1000);
3736                                 }
3737                         }
3738                 }
3739         }
3740
3741         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3742         if (ioc->debug_level & MPT_DEBUG) {
3743                 if (ioc->alt_ioc)
3744                         diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
3745                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
3746                         ioc->name, diag0val, diag1val));
3747         }
3748
3749         /* Clear RESET_HISTORY bit!  Place board in the
3750          * diagnostic mode to update the diag register.
3751          */
3752         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3753         count = 0;
3754         while ((diag0val & MPI_DIAG_DRWE) == 0) {
3755                 /* Write magic sequence to WriteSequence register
3756                  * Loop until in diagnostic mode
3757                  */
3758                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3759                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3760                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3761                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3762                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3763                 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3764
3765                 /* wait 100 msec */
3766                 if (sleepFlag == CAN_SLEEP) {
3767                         msleep (100);
3768                 } else {
3769                         mdelay (100);
3770                 }
3771
3772                 count++;
3773                 if (count > 20) {
3774                         printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
3775                                         ioc->name, diag0val);
3776                         break;
3777                 }
3778                 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3779         }
3780         diag0val &= ~MPI_DIAG_RESET_HISTORY;
3781         CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3782         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3783         if (diag0val & MPI_DIAG_RESET_HISTORY) {
3784                 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
3785                                 ioc->name);
3786         }
3787
3788         /* Disable Diagnostic Mode
3789          */
3790         CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
3791
3792         /* Check FW reload status flags.
3793          */
3794         diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3795         if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
3796                 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
3797                                 ioc->name, diag0val);
3798                 return -3;
3799         }
3800
3801         if (ioc->debug_level & MPT_DEBUG) {
3802                 if (ioc->alt_ioc)
3803                         diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
3804                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
3805                         ioc->name, diag0val, diag1val));
3806         }
3807
3808         /*
3809          * Reset flag that says we've enabled event notification
3810          */
3811         ioc->facts.EventState = 0;
3812
3813         if (ioc->alt_ioc)
3814                 ioc->alt_ioc->facts.EventState = 0;
3815
3816         return hard_reset_done;
3817 }
3818
3819 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3820 /**
3821  *      SendIocReset - Send IOCReset request to MPT adapter.
3822  *      @ioc: Pointer to MPT_ADAPTER structure
3823  *      @reset_type: reset type, expected values are
3824  *      %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
3825  *      @sleepFlag: Specifies whether the process can sleep
3826  *
3827  *      Send IOCReset request to the MPT adapter.
3828  *
3829  *      Returns 0 for success, non-zero for failure.
3830  */
3831 static int
3832 SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
3833 {
3834         int r;
3835         u32 state;
3836         int cntdn, count;
3837
3838         drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
3839                         ioc->name, reset_type));
3840         CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
3841         if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
3842                 return r;
3843
3844         /* FW ACK'd request, wait for READY state
3845          */
3846         count = 0;
3847         cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15;    /* 15 seconds */
3848
3849         while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
3850                 cntdn--;
3851                 count++;
3852                 if (!cntdn) {
3853                         if (sleepFlag != CAN_SLEEP)
3854                                 count *= 10;
3855
3856                         printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
3857                             ioc->name, (int)((count+5)/HZ));
3858                         return -ETIME;
3859                 }
3860
3861                 if (sleepFlag == CAN_SLEEP) {
3862                         msleep(1);
3863                 } else {
3864                         mdelay (1);     /* 1 msec delay */
3865                 }
3866         }
3867
3868         /* TODO!
3869          *  Cleanup all event stuff for this IOC; re-issue EventNotification
3870          *  request if needed.
3871          */
3872         if (ioc->facts.Function)
3873                 ioc->facts.EventState = 0;
3874
3875         return 0;
3876 }
3877
3878 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3879 /**
3880  *      initChainBuffers - Allocate memory for and initialize chain buffers
3881  *      @ioc: Pointer to MPT_ADAPTER structure
3882  *
3883  *      Allocates memory for and initializes chain buffers,
3884  *      chain buffer control arrays and spinlock.
3885  */
3886 static int
3887 initChainBuffers(MPT_ADAPTER *ioc)
3888 {
3889         u8              *mem;
3890         int             sz, ii, num_chain;
3891         int             scale, num_sge, numSGE;
3892
3893         /* ReqToChain size must equal the req_depth
3894          * index = req_idx
3895          */
3896         if (ioc->ReqToChain == NULL) {
3897                 sz = ioc->req_depth * sizeof(int);
3898                 mem = kmalloc(sz, GFP_ATOMIC);
3899                 if (mem == NULL)
3900                         return -1;
3901
3902                 ioc->ReqToChain = (int *) mem;
3903                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc  @ %p, sz=%d bytes\n",
3904                                 ioc->name, mem, sz));
3905                 mem = kmalloc(sz, GFP_ATOMIC);
3906                 if (mem == NULL)
3907                         return -1;
3908
3909                 ioc->RequestNB = (int *) mem;
3910                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc  @ %p, sz=%d bytes\n",
3911                                 ioc->name, mem, sz));
3912         }
3913         for (ii = 0; ii < ioc->req_depth; ii++) {
3914                 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
3915         }
3916
3917         /* ChainToChain size must equal the total number
3918          * of chain buffers to be allocated.
3919          * index = chain_idx
3920          *
3921          * Calculate the number of chain buffers needed(plus 1) per I/O
3922          * then multiply the maximum number of simultaneous cmds
3923          *
3924          * num_sge = num sge in request frame + last chain buffer
3925          * scale = num sge per chain buffer if no chain element
3926          */
3927         scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
3928         if (sizeof(dma_addr_t) == sizeof(u64))
3929                 num_sge =  scale + (ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
3930         else
3931                 num_sge =  1+ scale + (ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
3932
3933         if (sizeof(dma_addr_t) == sizeof(u64)) {
3934                 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
3935                         (ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
3936         } else {
3937                 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
3938                         (ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
3939         }
3940         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
3941                 ioc->name, num_sge, numSGE));
3942
3943         if ( numSGE > MPT_SCSI_SG_DEPTH )
3944                 numSGE = MPT_SCSI_SG_DEPTH;
3945
3946         num_chain = 1;
3947         while (numSGE - num_sge > 0) {
3948                 num_chain++;
3949                 num_sge += (scale - 1);
3950         }
3951         num_chain++;
3952
3953         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
3954                 ioc->name, numSGE, num_sge, num_chain));
3955
3956         if (ioc->bus_type == SPI)
3957                 num_chain *= MPT_SCSI_CAN_QUEUE;
3958         else
3959                 num_chain *= MPT_FC_CAN_QUEUE;
3960
3961         ioc->num_chain = num_chain;
3962
3963         sz = num_chain * sizeof(int);
3964         if (ioc->ChainToChain == NULL) {
3965                 mem = kmalloc(sz, GFP_ATOMIC);
3966                 if (mem == NULL)
3967                         return -1;
3968
3969                 ioc->ChainToChain = (int *) mem;
3970                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
3971                                 ioc->name, mem, sz));
3972         } else {
3973                 mem = (u8 *) ioc->ChainToChain;
3974         }
3975         memset(mem, 0xFF, sz);
3976         return num_chain;
3977 }
3978
3979 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3980 /**
3981  *      PrimeIocFifos - Initialize IOC request and reply FIFOs.
3982  *      @ioc: Pointer to MPT_ADAPTER structure
3983  *
3984  *      This routine allocates memory for the MPT reply and request frame
3985  *      pools (if necessary), and primes the IOC reply FIFO with
3986  *      reply frames.
3987  *
3988  *      Returns 0 for success, non-zero for failure.
3989  */
3990 static int
3991 PrimeIocFifos(MPT_ADAPTER *ioc)
3992 {
3993         MPT_FRAME_HDR *mf;
3994         unsigned long flags;
3995         dma_addr_t alloc_dma;
3996         u8 *mem;
3997         int i, reply_sz, sz, total_size, num_chain;
3998
3999         /*  Prime reply FIFO...  */
4000
4001         if (ioc->reply_frames == NULL) {
4002                 if ( (num_chain = initChainBuffers(ioc)) < 0)
4003                         return -1;
4004
4005                 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4006                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
4007                                 ioc->name, ioc->reply_sz, ioc->reply_depth));
4008                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
4009                                 ioc->name, reply_sz, reply_sz));
4010
4011                 sz = (ioc->req_sz * ioc->req_depth);
4012                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
4013                                 ioc->name, ioc->req_sz, ioc->req_depth));
4014                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
4015                                 ioc->name, sz, sz));
4016                 total_size += sz;
4017
4018                 sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4019                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
4020                                 ioc->name, ioc->req_sz, num_chain));
4021                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
4022                                 ioc->name, sz, sz, num_chain));
4023
4024                 total_size += sz;
4025                 mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
4026                 if (mem == NULL) {
4027                         printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
4028                                 ioc->name);
4029                         goto out_fail;
4030                 }
4031
4032                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
4033                                 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
4034
4035                 memset(mem, 0, total_size);
4036                 ioc->alloc_total += total_size;
4037                 ioc->alloc = mem;
4038                 ioc->alloc_dma = alloc_dma;
4039                 ioc->alloc_sz = total_size;
4040                 ioc->reply_frames = (MPT_FRAME_HDR *) mem;
4041                 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4042
4043                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4044                         ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4045
4046                 alloc_dma += reply_sz;
4047                 mem += reply_sz;
4048
4049                 /*  Request FIFO - WE manage this!  */
4050
4051                 ioc->req_frames = (MPT_FRAME_HDR *) mem;
4052                 ioc->req_frames_dma = alloc_dma;
4053
4054                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
4055                                 ioc->name, mem, (void *)(ulong)alloc_dma));
4056
4057                 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4058
4059 #if defined(CONFIG_MTRR) && 0
4060                 /*
4061                  *  Enable Write Combining MTRR for IOC's memory region.
4062                  *  (at least as much as we can; "size and base must be
4063                  *  multiples of 4 kiB"
4064                  */
4065                 ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma,
4066                                          sz,
4067                                          MTRR_TYPE_WRCOMB, 1);
4068                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n",
4069                                 ioc->name, ioc->req_frames_dma, sz));
4070 #endif
4071
4072                 for (i = 0; i < ioc->req_depth; i++) {
4073                         alloc_dma += ioc->req_sz;
4074                         mem += ioc->req_sz;
4075                 }
4076
4077                 ioc->ChainBuffer = mem;
4078                 ioc->ChainBufferDMA = alloc_dma;
4079
4080                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
4081                         ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
4082
4083                 /* Initialize the free chain Q.
4084                 */
4085
4086                 INIT_LIST_HEAD(&ioc->FreeChainQ);
4087
4088                 /* Post the chain buffers to the FreeChainQ.
4089                 */
4090                 mem = (u8 *)ioc->ChainBuffer;
4091                 for (i=0; i < num_chain; i++) {
4092                         mf = (MPT_FRAME_HDR *) mem;
4093                         list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
4094                         mem += ioc->req_sz;
4095                 }
4096
4097                 /* Initialize Request frames linked list
4098                  */
4099                 alloc_dma = ioc->req_frames_dma;
4100                 mem = (u8 *) ioc->req_frames;
4101
4102                 spin_lock_irqsave(&ioc->FreeQlock, flags);
4103                 INIT_LIST_HEAD(&ioc->FreeQ);
4104                 for (i = 0; i < ioc->req_depth; i++) {
4105                         mf = (MPT_FRAME_HDR *) mem;
4106
4107                         /*  Queue REQUESTs *internally*!  */
4108                         list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
4109
4110                         mem += ioc->req_sz;
4111                 }
4112                 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
4113
4114                 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4115                 ioc->sense_buf_pool =
4116                         pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
4117                 if (ioc->sense_buf_pool == NULL) {
4118                         printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
4119                                 ioc->name);
4120                         goto out_fail;
4121                 }
4122
4123                 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
4124                 ioc->alloc_total += sz;
4125                 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
4126                         ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
4127
4128         }
4129
4130         /* Post Reply frames to FIFO
4131          */
4132         alloc_dma = ioc->alloc_dma;
4133         dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4134                 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4135
4136         for (i = 0; i < ioc->reply_depth; i++) {
4137                 /*  Write each address to the IOC!  */
4138                 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
4139                 alloc_dma += ioc->reply_sz;
4140         }
4141
4142         return 0;
4143
4144 out_fail:
4145         if (ioc->alloc != NULL) {
4146                 sz = ioc->alloc_sz;
4147                 pci_free_consistent(ioc->pcidev,
4148                                 sz,
4149                                 ioc->alloc, ioc->alloc_dma);
4150                 ioc->reply_frames = NULL;
4151                 ioc->req_frames = NULL;
4152                 ioc->alloc_total -= sz;
4153         }
4154         if (ioc->sense_buf_pool != NULL) {
4155                 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4156                 pci_free_consistent(ioc->pcidev,
4157                                 sz,
4158                                 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
4159                 ioc->sense_buf_pool = NULL;
4160         }
4161         return -1;
4162 }
4163
4164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4165 /**
4166  *      mpt_handshake_req_reply_wait - Send MPT request to and receive reply
4167  *      from IOC via doorbell handshake method.
4168  *      @ioc: Pointer to MPT_ADAPTER structure
4169  *      @reqBytes: Size of the request in bytes
4170  *      @req: Pointer to MPT request frame
4171  *      @replyBytes: Expected size of the reply in bytes
4172  *      @u16reply: Pointer to area where reply should be written
4173  *      @maxwait: Max wait time for a reply (in seconds)
4174  *      @sleepFlag: Specifies whether the process can sleep
4175  *
4176  *      NOTES: It is the callers responsibility to byte-swap fields in the
4177  *      request which are greater than 1 byte in size.  It is also the
4178  *      callers responsibility to byte-swap response fields which are
4179  *      greater than 1 byte in size.
4180  *
4181  *      Returns 0 for success, non-zero for failure.
4182  */
4183 static int
4184 mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4185                 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
4186 {
4187         MPIDefaultReply_t *mptReply;
4188         int failcnt = 0;
4189         int t;
4190
4191         /*
4192          * Get ready to cache a handshake reply
4193          */
4194         ioc->hs_reply_idx = 0;
4195         mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4196         mptReply->MsgLength = 0;
4197
4198         /*
4199          * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
4200          * then tell IOC that we want to handshake a request of N words.
4201          * (WRITE u32val to Doorbell reg).
4202          */
4203         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4204         CHIPREG_WRITE32(&ioc->chip->Doorbell,
4205                         ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
4206                          ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
4207
4208         /*
4209          * Wait for IOC's doorbell handshake int
4210          */
4211         if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4212                 failcnt++;
4213
4214         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
4215                         ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4216
4217         /* Read doorbell and check for active bit */
4218         if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
4219                         return -1;
4220
4221         /*
4222          * Clear doorbell int (WRITE 0 to IntStatus reg),
4223          * then wait for IOC to ACKnowledge that it's ready for
4224          * our handshake request.
4225          */
4226         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4227         if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4228                 failcnt++;
4229
4230         if (!failcnt) {
4231                 int      ii;
4232                 u8      *req_as_bytes = (u8 *) req;
4233
4234                 /*
4235                  * Stuff request words via doorbell handshake,
4236                  * with ACK from IOC for each.
4237                  */
4238                 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
4239                         u32 word = ((req_as_bytes[(ii*4) + 0] <<  0) |
4240                                     (req_as_bytes[(ii*4) + 1] <<  8) |
4241                                     (req_as_bytes[(ii*4) + 2] << 16) |
4242                                     (req_as_bytes[(ii*4) + 3] << 24));
4243
4244                         CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
4245                         if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4246                                 failcnt++;
4247                 }
4248
4249                 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4250                 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
4251
4252                 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
4253                                 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
4254
4255                 /*
4256                  * Wait for completion of doorbell handshake reply from the IOC
4257                  */
4258                 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
4259                         failcnt++;
4260
4261                 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
4262                                 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
4263
4264                 /*
4265                  * Copy out the cached reply...
4266                  */
4267                 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
4268                         u16reply[ii] = ioc->hs_reply[ii];
4269         } else {
4270                 return -99;
4271         }
4272
4273         return -failcnt;
4274 }
4275
4276 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4277 /**
4278  *      WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
4279  *      @ioc: Pointer to MPT_ADAPTER structure
4280  *      @howlong: How long to wait (in seconds)
4281  *      @sleepFlag: Specifies whether the process can sleep
4282  *
4283  *      This routine waits (up to ~2 seconds max) for IOC doorbell
4284  *      handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
4285  *      bit in its IntStatus register being clear.
4286  *
4287  *      Returns a negative value on failure, else wait loop count.
4288  */
4289 static int
4290 WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4291 {
4292         int cntdn;
4293         int count = 0;
4294         u32 intstat=0;
4295
4296         cntdn = 1000 * howlong;
4297
4298         if (sleepFlag == CAN_SLEEP) {
4299                 while (--cntdn) {
4300                         msleep (1);
4301                         intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4302                         if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4303                                 break;
4304                         count++;
4305                 }
4306         } else {
4307                 while (--cntdn) {
4308                         udelay (1000);
4309                         intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4310                         if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4311                                 break;
4312                         count++;
4313                 }
4314         }
4315
4316         if (cntdn) {
4317                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
4318                                 ioc->name, count));
4319                 return count;
4320         }
4321
4322         printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
4323                         ioc->name, count, intstat);
4324         return -1;
4325 }
4326
4327 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4328 /**
4329  *      WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
4330  *      @ioc: Pointer to MPT_ADAPTER structure
4331  *      @howlong: How long to wait (in seconds)
4332  *      @sleepFlag: Specifies whether the process can sleep
4333  *
4334  *      This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
4335  *      (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
4336  *
4337  *      Returns a negative value on failure, else wait loop count.
4338  */
4339 static int
4340 WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4341 {
4342         int cntdn;
4343         int count = 0;
4344         u32 intstat=0;
4345
4346         cntdn = 1000 * howlong;
4347         if (sleepFlag == CAN_SLEEP) {
4348                 while (--cntdn) {
4349                         intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4350                         if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4351                                 break;
4352                         msleep(1);
4353                         count++;
4354                 }
4355         } else {
4356                 while (--cntdn) {
4357                         intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4358                         if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4359                                 break;
4360                         udelay (1000);
4361                         count++;
4362                 }
4363         }
4364
4365         if (cntdn) {
4366                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
4367                                 ioc->name, count, howlong));
4368                 return count;
4369         }
4370
4371         printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
4372                         ioc->name, count, intstat);
4373         return -1;
4374 }
4375
4376 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4377 /**
4378  *      WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
4379  *      @ioc: Pointer to MPT_ADAPTER structure
4380  *      @howlong: How long to wait (in seconds)
4381  *      @sleepFlag: Specifies whether the process can sleep
4382  *
4383  *      This routine polls the IOC for a handshake reply, 16 bits at a time.
4384  *      Reply is cached to IOC private area large enough to hold a maximum
4385  *      of 128 bytes of reply data.
4386  *
4387  *      Returns a negative value on failure, else size of reply in WORDS.
4388  */
4389 static int
4390 WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4391 {
4392         int u16cnt = 0;
4393         int failcnt = 0;
4394         int t;
4395         u16 *hs_reply = ioc->hs_reply;
4396         volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4397         u16 hword;
4398
4399         hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
4400
4401         /*
4402          * Get first two u16's so we can look at IOC's intended reply MsgLength
4403          */
4404         u16cnt=0;
4405         if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
4406                 failcnt++;
4407         } else {
4408                 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4409                 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4410                 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4411                         failcnt++;
4412                 else {
4413                         hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4414                         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4415                 }
4416         }
4417
4418         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4419                         ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
4420                         failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4421
4422         /*
4423          * If no error (and IOC said MsgLength is > 0), piece together
4424          * reply 16 bits at a time.
4425          */
4426         for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
4427                 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4428                         failcnt++;
4429                 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4430                 /* don't overflow our IOC hs_reply[] buffer! */
4431                 if (u16cnt < sizeof(ioc->hs_reply) / sizeof(ioc->hs_reply[0]))
4432                         hs_reply[u16cnt] = hword;
4433                 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4434         }
4435
4436         if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4437                 failcnt++;
4438         CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4439
4440         if (failcnt) {
4441                 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
4442                                 ioc->name);
4443                 return -failcnt;
4444         }
4445 #if 0
4446         else if (u16cnt != (2 * mptReply->MsgLength)) {
4447                 return -101;
4448         }
4449         else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
4450                 return -102;
4451         }
4452 #endif
4453
4454         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4455         DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
4456
4457         dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
4458                         ioc->name, t, u16cnt/2));
4459         return u16cnt/2;
4460 }
4461
4462 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4463 /**
4464  *      GetLanConfigPages - Fetch LANConfig pages.
4465  *      @ioc: Pointer to MPT_ADAPTER structure
4466  *
4467  *      Return: 0 for success
4468  *      -ENOMEM if no memory available
4469  *              -EPERM if not allowed due to ISR context
4470  *              -EAGAIN if no msg frames currently available
4471  *              -EFAULT for non-successful reply or no reply (timeout)
4472  */
4473 static int
4474 GetLanConfigPages(MPT_ADAPTER *ioc)
4475 {
4476         ConfigPageHeader_t       hdr;
4477         CONFIGPARMS              cfg;
4478         LANPage0_t              *ppage0_alloc;
4479         dma_addr_t               page0_dma;
4480         LANPage1_t              *ppage1_alloc;
4481         dma_addr_t               page1_dma;
4482         int                      rc = 0;
4483         int                      data_sz;
4484         int                      copy_sz;
4485
4486         /* Get LAN Page 0 header */
4487         hdr.PageVersion = 0;
4488         hdr.PageLength = 0;
4489         hdr.PageNumber = 0;
4490         hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4491         cfg.cfghdr.hdr = &hdr;
4492         cfg.physAddr = -1;
4493         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4494         cfg.dir = 0;
4495         cfg.pageAddr = 0;
4496         cfg.timeout = 0;
4497
4498         if ((rc = mpt_config(ioc, &cfg)) != 0)
4499                 return rc;
4500
4501         if (hdr.PageLength > 0) {
4502                 data_sz = hdr.PageLength * 4;
4503                 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
4504                 rc = -ENOMEM;
4505                 if (ppage0_alloc) {
4506                         memset((u8 *)ppage0_alloc, 0, data_sz);
4507                         cfg.physAddr = page0_dma;
4508                         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4509
4510                         if ((rc = mpt_config(ioc, &cfg)) == 0) {
4511                                 /* save the data */
4512                                 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
4513                                 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
4514
4515                         }
4516
4517                         pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
4518
4519                         /* FIXME!
4520                          *      Normalize endianness of structure data,
4521                          *      by byte-swapping all > 1 byte fields!
4522                          */
4523
4524                 }
4525
4526                 if (rc)
4527                         return rc;
4528         }
4529
4530         /* Get LAN Page 1 header */
4531         hdr.PageVersion = 0;
4532         hdr.PageLength = 0;
4533         hdr.PageNumber = 1;
4534         hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4535         cfg.cfghdr.hdr = &hdr;
4536         cfg.physAddr = -1;
4537         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4538         cfg.dir = 0;
4539         cfg.pageAddr = 0;
4540
4541         if ((rc = mpt_config(ioc, &cfg)) != 0)
4542                 return rc;
4543
4544         if (hdr.PageLength == 0)
4545                 return 0;
4546
4547         data_sz = hdr.PageLength * 4;
4548         rc = -ENOMEM;
4549         ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
4550         if (ppage1_alloc) {
4551                 memset((u8 *)ppage1_alloc, 0, data_sz);
4552                 cfg.physAddr = page1_dma;
4553                 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4554
4555                 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4556                         /* save the data */
4557                         copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
4558                         memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
4559                 }
4560
4561                 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
4562
4563                 /* FIXME!
4564                  *      Normalize endianness of structure data,
4565                  *      by byte-swapping all > 1 byte fields!
4566                  */
4567
4568         }
4569
4570         return rc;
4571 }
4572
4573 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4574 /**
4575  *      mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
4576  *      @ioc: Pointer to MPT_ADAPTER structure
4577  *      @persist_opcode: see below
4578  *
4579  *      MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
4580  *              devices not currently present.
4581  *      MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
4582  *
4583  *      NOTE: Don't use not this function during interrupt time.
4584  *
4585  *      Returns 0 for success, non-zero error
4586  */
4587
4588 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4589 int
4590 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
4591 {
4592         SasIoUnitControlRequest_t       *sasIoUnitCntrReq;
4593         SasIoUnitControlReply_t         *sasIoUnitCntrReply;
4594         MPT_FRAME_HDR                   *mf = NULL;
4595         MPIHeader_t                     *mpi_hdr;
4596
4597
4598         /* insure garbage is not sent to fw */
4599         switch(persist_opcode) {
4600
4601         case MPI_SAS_OP_CLEAR_NOT_PRESENT:
4602         case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
4603                 break;
4604
4605         default:
4606                 return -1;
4607                 break;
4608         }
4609
4610         printk("%s: persist_opcode=%x\n",__FUNCTION__, persist_opcode);
4611
4612         /* Get a MF for this command.
4613          */
4614         if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
4615                 printk("%s: no msg frames!\n",__FUNCTION__);
4616                 return -1;
4617         }
4618
4619         mpi_hdr = (MPIHeader_t *) mf;
4620         sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
4621         memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
4622         sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
4623         sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
4624         sasIoUnitCntrReq->Operation = persist_opcode;
4625
4626         init_timer(&ioc->persist_timer);
4627         ioc->persist_timer.data = (unsigned long) ioc;
4628         ioc->persist_timer.function = mpt_timer_expired;
4629         ioc->persist_timer.expires = jiffies + HZ*10 /* 10 sec */;
4630         ioc->persist_wait_done=0;
4631         add_timer(&ioc->persist_timer);
4632         mpt_put_msg_frame(mpt_base_index, ioc, mf);
4633         wait_event(mpt_waitq, ioc->persist_wait_done);
4634
4635         sasIoUnitCntrReply =
4636             (SasIoUnitControlReply_t *)ioc->persist_reply_frame;
4637         if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
4638                 printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
4639                     __FUNCTION__,
4640                     sasIoUnitCntrReply->IOCStatus,
4641                     sasIoUnitCntrReply->IOCLogInfo);
4642                 return -1;
4643         }
4644
4645         printk("%s: success\n",__FUNCTION__);
4646         return 0;
4647 }
4648
4649 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4650
4651 static void
4652 mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
4653     MpiEventDataRaid_t * pRaidEventData)
4654 {
4655         int     volume;
4656         int     reason;
4657         int     disk;
4658         int     status;
4659         int     flags;
4660         int     state;
4661
4662         volume  = pRaidEventData->VolumeID;
4663         reason  = pRaidEventData->ReasonCode;
4664         disk    = pRaidEventData->PhysDiskNum;
4665         status  = le32_to_cpu(pRaidEventData->SettingsStatus);
4666         flags   = (status >> 0) & 0xff;
4667         state   = (status >> 8) & 0xff;
4668
4669         if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
4670                 return;
4671         }
4672
4673         if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
4674              reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
4675             (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
4676                 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
4677                         ioc->name, disk, volume);
4678         } else {
4679                 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
4680                         ioc->name, volume);
4681         }
4682
4683         switch(reason) {
4684         case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4685                 printk(MYIOC_s_INFO_FMT "  volume has been created\n",
4686                         ioc->name);
4687                 break;
4688
4689         case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4690
4691                 printk(MYIOC_s_INFO_FMT "  volume has been deleted\n",
4692                         ioc->name);
4693                 break;
4694
4695         case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
4696                 printk(MYIOC_s_INFO_FMT "  volume settings have been changed\n",
4697                         ioc->name);
4698                 break;
4699
4700         case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4701                 printk(MYIOC_s_INFO_FMT "  volume is now %s%s%s%s\n",
4702                         ioc->name,
4703                         state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
4704                          ? "optimal"
4705                          : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
4706                           ? "degraded"
4707                           : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
4708                            ? "failed"
4709                            : "state unknown",
4710                         flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
4711                          ? ", enabled" : "",
4712                         flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
4713                          ? ", quiesced" : "",
4714                         flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
4715                          ? ", resync in progress" : "" );
4716                 break;
4717
4718         case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
4719                 printk(MYIOC_s_INFO_FMT "  volume membership of PhysDisk %d has changed\n",
4720                         ioc->name, disk);
4721                 break;
4722
4723         case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4724                 printk(MYIOC_s_INFO_FMT "  PhysDisk has been created\n",
4725                         ioc->name);
4726                 break;
4727
4728         case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4729                 printk(MYIOC_s_INFO_FMT "  PhysDisk has been deleted\n",
4730                         ioc->name);
4731                 break;
4732
4733         case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
4734                 printk(MYIOC_s_INFO_FMT "  PhysDisk settings have been changed\n",
4735                         ioc->name);
4736                 break;
4737
4738         case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4739                 printk(MYIOC_s_INFO_FMT "  PhysDisk is now %s%s%s\n",
4740                         ioc->name,
4741                         state == MPI_PHYSDISK0_STATUS_ONLINE
4742                          ? "online"
4743                          : state == MPI_PHYSDISK0_STATUS_MISSING
4744                           ? "missing"
4745                           : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
4746                            ? "not compatible"
4747                            : state == MPI_PHYSDISK0_STATUS_FAILED
4748                             ? "failed"
4749                             : state == MPI_PHYSDISK0_STATUS_INITIALIZING
4750                              ? "initializing"
4751                              : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
4752                               ? "offline requested"
4753                               : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
4754                                ? "failed requested"
4755                                : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
4756                                 ? "offline"
4757                                 : "state unknown",
4758                         flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
4759                          ? ", out of sync" : "",
4760                         flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
4761                          ? ", quiesced" : "" );
4762                 break;
4763
4764         case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
4765                 printk(MYIOC_s_INFO_FMT "  Domain Validation needed for PhysDisk %d\n",
4766                         ioc->name, disk);
4767                 break;
4768
4769         case MPI_EVENT_RAID_RC_SMART_DATA:
4770                 printk(MYIOC_s_INFO_FMT "  SMART data received, ASC/ASCQ = %02xh/%02xh\n",
4771                         ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
4772                 break;
4773
4774         case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
4775                 printk(MYIOC_s_INFO_FMT "  replacement of PhysDisk %d has started\n",
4776                         ioc->name, disk);
4777                 break;
4778         }
4779 }
4780
4781 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4782 /**
4783  *      GetIoUnitPage2 - Retrieve BIOS version and boot order information.
4784  *      @ioc: Pointer to MPT_ADAPTER structure
4785  *
4786  *      Returns: 0 for success
4787  *      -ENOMEM if no memory available
4788  *              -EPERM if not allowed due to ISR context
4789  *              -EAGAIN if no msg frames currently available
4790  *              -EFAULT for non-successful reply or no reply (timeout)
4791  */
4792 static int
4793 GetIoUnitPage2(MPT_ADAPTER *ioc)
4794 {
4795         ConfigPageHeader_t       hdr;
4796         CONFIGPARMS              cfg;
4797         IOUnitPage2_t           *ppage_alloc;
4798         dma_addr_t               page_dma;
4799         int                      data_sz;
4800         int                      rc;
4801
4802         /* Get the page header */
4803         hdr.PageVersion = 0;
4804         hdr.PageLength = 0;
4805         hdr.PageNumber = 2;
4806         hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
4807         cfg.cfghdr.hdr = &hdr;
4808         cfg.physAddr = -1;
4809         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4810         cfg.dir = 0;
4811         cfg.pageAddr = 0;
4812         cfg.timeout = 0;
4813
4814         if ((rc = mpt_config(ioc, &cfg)) != 0)
4815                 return rc;
4816
4817         if (hdr.PageLength == 0)
4818                 return 0;
4819
4820         /* Read the config page */
4821         data_sz = hdr.PageLength * 4;
4822         rc = -ENOMEM;
4823         ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
4824         if (ppage_alloc) {
4825                 memset((u8 *)ppage_alloc, 0, data_sz);
4826                 cfg.physAddr = page_dma;
4827                 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4828
4829                 /* If Good, save data */
4830                 if ((rc = mpt_config(ioc, &cfg)) == 0)
4831                         ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
4832
4833                 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
4834         }
4835
4836         return rc;
4837 }
4838
4839 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4840 /**
4841  *      mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
4842  *      @ioc: Pointer to a Adapter Strucutre
4843  *      @portnum: IOC port number
4844  *
4845  *      Return: -EFAULT if read of config page header fails
4846  *                      or if no nvram
4847  *      If read of SCSI Port Page 0 fails,
4848  *              NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
4849  *              Adapter settings: async, narrow
4850  *              Return 1
4851  *      If read of SCSI Port Page 2 fails,
4852  *              Adapter settings valid
4853  *              NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
4854  *              Return 1
4855  *      Else
4856  *              Both valid
4857  *              Return 0
4858  *      CHECK - what type of locking mechanisms should be used????
4859  */
4860 static int
4861 mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
4862 {
4863         u8                      *pbuf;
4864         dma_addr_t               buf_dma;
4865         CONFIGPARMS              cfg;
4866         ConfigPageHeader_t       header;
4867         int                      ii;
4868         int                      data, rc = 0;
4869
4870         /* Allocate memory
4871          */
4872         if (!ioc->spi_data.nvram) {
4873                 int      sz;
4874                 u8      *mem;
4875                 sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
4876                 mem = kmalloc(sz, GFP_ATOMIC);
4877                 if (mem == NULL)
4878                         return -EFAULT;
4879
4880                 ioc->spi_data.nvram = (int *) mem;
4881
4882                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
4883                         ioc->name, ioc->spi_data.nvram, sz));
4884         }
4885
4886         /* Invalidate NVRAM information
4887          */
4888         for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
4889                 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
4890         }
4891
4892         /* Read SPP0 header, allocate memory, then read page.
4893          */
4894         header.PageVersion = 0;
4895         header.PageLength = 0;
4896         header.PageNumber = 0;
4897         header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
4898         cfg.cfghdr.hdr = &header;
4899         cfg.physAddr = -1;
4900         cfg.pageAddr = portnum;
4901         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4902         cfg.dir = 0;
4903         cfg.timeout = 0;        /* use default */
4904         if (mpt_config(ioc, &cfg) != 0)
4905                  return -EFAULT;
4906
4907         if (header.PageLength > 0) {
4908                 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
4909                 if (pbuf) {
4910                         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4911                         cfg.physAddr = buf_dma;
4912                         if (mpt_config(ioc, &cfg) != 0) {
4913                                 ioc->spi_data.maxBusWidth = MPT_NARROW;
4914                                 ioc->spi_data.maxSyncOffset = 0;
4915                                 ioc->spi_data.minSyncFactor = MPT_ASYNC;
4916                                 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
4917                                 rc = 1;
4918                                 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4919                                         "Unable to read PortPage0 minSyncFactor=%x\n",
4920                                         ioc->name, ioc->spi_data.minSyncFactor));
4921                         } else {
4922                                 /* Save the Port Page 0 data
4923                                  */
4924                                 SCSIPortPage0_t  *pPP0 = (SCSIPortPage0_t  *) pbuf;
4925                                 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
4926                                 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
4927
4928                                 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
4929                                         ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
4930                                         ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4931                                                 "noQas due to Capabilities=%x\n",
4932                                                 ioc->name, pPP0->Capabilities));
4933                                 }
4934                                 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
4935                                 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
4936                                 if (data) {
4937                                         ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
4938                                         data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
4939                                         ioc->spi_data.minSyncFactor = (u8) (data >> 8);
4940                                         ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4941                                                 "PortPage0 minSyncFactor=%x\n",
4942                                                 ioc->name, ioc->spi_data.minSyncFactor));
4943                                 } else {
4944                                         ioc->spi_data.maxSyncOffset = 0;
4945                                         ioc->spi_data.minSyncFactor = MPT_ASYNC;
4946                                 }
4947
4948                                 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
4949
4950                                 /* Update the minSyncFactor based on bus type.
4951                                  */
4952                                 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
4953                                         (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE))  {
4954
4955                                         if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
4956                                                 ioc->spi_data.minSyncFactor = MPT_ULTRA;
4957                                                 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4958                                                         "HVD or SE detected, minSyncFactor=%x\n",
4959                                                         ioc->name, ioc->spi_data.minSyncFactor));
4960                                         }
4961                                 }
4962                         }
4963                         if (pbuf) {
4964                                 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
4965                         }
4966                 }
4967         }
4968
4969         /* SCSI Port Page 2 - Read the header then the page.
4970          */
4971         header.PageVersion = 0;
4972         header.PageLength = 0;
4973         header.PageNumber = 2;
4974         header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
4975         cfg.cfghdr.hdr = &header;
4976         cfg.physAddr = -1;
4977         cfg.pageAddr = portnum;
4978         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4979         cfg.dir = 0;
4980         if (mpt_config(ioc, &cfg) != 0)
4981                 return -EFAULT;
4982
4983         if (header.PageLength > 0) {
4984                 /* Allocate memory and read SCSI Port Page 2
4985                  */
4986                 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
4987                 if (pbuf) {
4988                         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
4989                         cfg.physAddr = buf_dma;
4990                         if (mpt_config(ioc, &cfg) != 0) {
4991                                 /* Nvram data is left with INVALID mark
4992                                  */
4993                                 rc = 1;
4994                         } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
4995
4996                                 /* This is an ATTO adapter, read Page2 accordingly
4997                                 */
4998                                 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t  *) pbuf;
4999                                 ATTODeviceInfo_t *pdevice = NULL;
5000                                 u16 ATTOFlags;
5001
5002                                 /* Save the Port Page 2 data
5003                                  * (reformat into a 32bit quantity)
5004                                  */
5005                                 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5006                                   pdevice = &pPP2->DeviceSettings[ii];
5007                                   ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
5008                                   data = 0;
5009
5010                                   /* Translate ATTO device flags to LSI format
5011                                    */
5012                                   if (ATTOFlags & ATTOFLAG_DISC)
5013                                     data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
5014                                   if (ATTOFlags & ATTOFLAG_ID_ENB)
5015                                     data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
5016                                   if (ATTOFlags & ATTOFLAG_LUN_ENB)
5017                                     data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
5018                                   if (ATTOFlags & ATTOFLAG_TAGGED)
5019                                     data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
5020                                   if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
5021                                     data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);
5022
5023                                   data = (data << 16) | (pdevice->Period << 8) | 10;
5024                                   ioc->spi_data.nvram[ii] = data;
5025                                 }
5026                         } else {
5027                                 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t  *) pbuf;
5028                                 MpiDeviceInfo_t *pdevice = NULL;
5029
5030                                 /*
5031                                  * Save "Set to Avoid SCSI Bus Resets" flag
5032                                  */
5033                                 ioc->spi_data.bus_reset =
5034                                     (le32_to_cpu(pPP2->PortFlags) &
5035                                 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
5036                                     0 : 1 ;
5037
5038                                 /* Save the Port Page 2 data
5039                                  * (reformat into a 32bit quantity)
5040                                  */
5041                                 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
5042                                 ioc->spi_data.PortFlags = data;
5043                                 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5044                                         pdevice = &pPP2->DeviceSettings[ii];
5045                                         data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
5046                                                 (pdevice->SyncFactor << 8) | pdevice->Timeout;
5047                                         ioc->spi_data.nvram[ii] = data;
5048                                 }
5049                         }
5050
5051                         pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5052                 }
5053         }
5054
5055         /* Update Adapter limits with those from NVRAM
5056          * Comment: Don't need to do this. Target performance
5057          * parameters will never exceed the adapters limits.
5058          */
5059
5060         return rc;
5061 }
5062
5063 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5064 /**
5065  *      mpt_readScsiDevicePageHeaders - save version and length of SDP1
5066  *      @ioc: Pointer to a Adapter Strucutre
5067  *      @portnum: IOC port number
5068  *
5069  *      Return: -EFAULT if read of config page header fails
5070  *              or 0 if success.
5071  */
5072 static int
5073 mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
5074 {
5075         CONFIGPARMS              cfg;
5076         ConfigPageHeader_t       header;
5077
5078         /* Read the SCSI Device Page 1 header
5079          */
5080         header.PageVersion = 0;
5081         header.PageLength = 0;
5082         header.PageNumber = 1;
5083         header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5084         cfg.cfghdr.hdr = &header;
5085         cfg.physAddr = -1;
5086         cfg.pageAddr = portnum;
5087         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5088         cfg.dir = 0;
5089         cfg.timeout = 0;
5090         if (mpt_config(ioc, &cfg) != 0)
5091                  return -EFAULT;
5092
5093         ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
5094         ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
5095
5096         header.PageVersion = 0;
5097         header.PageLength = 0;
5098         header.PageNumber = 0;
5099         header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5100         if (mpt_config(ioc, &cfg) != 0)
5101                  return -EFAULT;
5102
5103         ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
5104         ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
5105
5106         dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
5107                         ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
5108
5109         dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
5110                         ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
5111         return 0;
5112 }
5113
5114 /**
5115  * mpt_inactive_raid_list_free - This clears this link list.
5116  * @ioc : pointer to per adapter structure
5117  **/
5118 static void
5119 mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
5120 {
5121         struct inactive_raid_component_info *component_info, *pNext;
5122
5123         if (list_empty(&ioc->raid_data.inactive_list))
5124                 return;
5125
5126         down(&ioc->raid_data.inactive_list_mutex);
5127         list_for_each_entry_safe(component_info, pNext,
5128             &ioc->raid_data.inactive_list, list) {
5129                 list_del(&component_info->list);
5130                 kfree(component_info);
5131         }
5132         up(&ioc->raid_data.inactive_list_mutex);
5133 }
5134
5135 /**
5136  * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5137  *
5138  * @ioc : pointer to per adapter structure
5139  * @channel : volume channel
5140  * @id : volume target id
5141  **/
5142 static void
5143 mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
5144 {
5145         CONFIGPARMS                     cfg;
5146         ConfigPageHeader_t              hdr;
5147         dma_addr_t                      dma_handle;
5148         pRaidVolumePage0_t              buffer = NULL;
5149         int                             i;
5150         RaidPhysDiskPage0_t             phys_disk;
5151         struct inactive_raid_component_info *component_info;
5152         int                             handle_inactive_volumes;
5153
5154         memset(&cfg, 0 , sizeof(CONFIGPARMS));
5155         memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5156         hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
5157         cfg.pageAddr = (channel << 8) + id;
5158         cfg.cfghdr.hdr = &hdr;
5159         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5160
5161         if (mpt_config(ioc, &cfg) != 0)
5162                 goto out;
5163
5164         if (!hdr.PageLength)
5165                 goto out;
5166
5167         buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5168             &dma_handle);
5169
5170         if (!buffer)
5171                 goto out;
5172
5173         cfg.physAddr = dma_handle;
5174         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5175
5176         if (mpt_config(ioc, &cfg) != 0)
5177                 goto out;
5178
5179         if (!buffer->NumPhysDisks)
5180                 goto out;
5181
5182         handle_inactive_volumes =
5183            (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
5184            (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
5185             buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
5186             buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
5187
5188         if (!handle_inactive_volumes)
5189                 goto out;
5190
5191         down(&ioc->raid_data.inactive_list_mutex);
5192         for (i = 0; i < buffer->NumPhysDisks; i++) {
5193                 if(mpt_raid_phys_disk_pg0(ioc,
5194                     buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
5195                         continue;
5196
5197                 if ((component_info = kmalloc(sizeof (*component_info),
5198                  GFP_KERNEL)) == NULL)
5199                         continue;
5200
5201                 component_info->volumeID = id;
5202                 component_info->volumeBus = channel;
5203                 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
5204                 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
5205                 component_info->d.PhysDiskID = phys_disk.PhysDiskID;
5206                 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
5207
5208                 list_add_tail(&component_info->list,
5209                     &ioc->raid_data.inactive_list);
5210         }
5211         up(&ioc->raid_data.inactive_list_mutex);
5212
5213  out:
5214         if (buffer)
5215                 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5216                     dma_handle);
5217 }
5218
5219 /**
5220  *      mpt_raid_phys_disk_pg0 - returns phys disk page zero
5221  *      @ioc: Pointer to a Adapter Structure
5222  *      @phys_disk_num: io unit unique phys disk num generated by the ioc
5223  *      @phys_disk: requested payload data returned
5224  *
5225  *      Return:
5226  *      0 on success
5227  *      -EFAULT if read of config page header fails or data pointer not NULL
5228  *      -ENOMEM if pci_alloc failed
5229  **/
5230 int
5231 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk)
5232 {
5233         CONFIGPARMS                     cfg;
5234         ConfigPageHeader_t              hdr;
5235         dma_addr_t                      dma_handle;
5236         pRaidPhysDiskPage0_t            buffer = NULL;
5237         int                             rc;
5238
5239         memset(&cfg, 0 , sizeof(CONFIGPARMS));
5240         memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5241
5242         hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5243         cfg.cfghdr.hdr = &hdr;
5244         cfg.physAddr = -1;
5245         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5246
5247         if (mpt_config(ioc, &cfg) != 0) {
5248                 rc = -EFAULT;
5249                 goto out;
5250         }
5251
5252         if (!hdr.PageLength) {
5253                 rc = -EFAULT;
5254                 goto out;
5255         }
5256
5257         buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5258             &dma_handle);
5259
5260         if (!buffer) {
5261                 rc = -ENOMEM;
5262                 goto out;
5263         }
5264
5265         cfg.physAddr = dma_handle;
5266         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5267         cfg.pageAddr = phys_disk_num;
5268
5269         if (mpt_config(ioc, &cfg) != 0) {
5270                 rc = -EFAULT;
5271                 goto out;
5272         }
5273
5274         rc = 0;
5275         memcpy(phys_disk, buffer, sizeof(*buffer));
5276         phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
5277
5278  out:
5279
5280         if (buffer)
5281                 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5282                     dma_handle);
5283
5284         return rc;
5285 }
5286
5287 /**
5288  *      mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
5289  *      @ioc: Pointer to a Adapter Strucutre
5290  *      @portnum: IOC port number
5291  *
5292  *      Return:
5293  *      0 on success
5294  *      -EFAULT if read of config page header fails or data pointer not NULL
5295  *      -ENOMEM if pci_alloc failed
5296  **/
5297 int
5298 mpt_findImVolumes(MPT_ADAPTER *ioc)
5299 {
5300         IOCPage2_t              *pIoc2;
5301         u8                      *mem;
5302         dma_addr_t               ioc2_dma;
5303         CONFIGPARMS              cfg;
5304         ConfigPageHeader_t       header;
5305         int                      rc = 0;
5306         int                      iocpage2sz;
5307         int                      i;
5308
5309         if (!ioc->ir_firmware)
5310                 return 0;
5311
5312         /* Free the old page
5313          */
5314         kfree(ioc->raid_data.pIocPg2);
5315         ioc->raid_data.pIocPg2 = NULL;
5316         mpt_inactive_raid_list_free(ioc);
5317
5318         /* Read IOCP2 header then the page.
5319          */
5320         header.PageVersion = 0;
5321         header.PageLength = 0;
5322         header.PageNumber = 2;
5323         header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5324         cfg.cfghdr.hdr = &header;
5325         cfg.physAddr = -1;
5326         cfg.pageAddr = 0;
5327         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5328         cfg.dir = 0;
5329         cfg.timeout = 0;
5330         if (mpt_config(ioc, &cfg) != 0)
5331                  return -EFAULT;
5332
5333         if (header.PageLength == 0)
5334                 return -EFAULT;
5335
5336         iocpage2sz = header.PageLength * 4;
5337         pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
5338         if (!pIoc2)
5339                 return -ENOMEM;
5340
5341         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5342         cfg.physAddr = ioc2_dma;
5343         if (mpt_config(ioc, &cfg) != 0)
5344                 goto out;
5345
5346         mem = kmalloc(iocpage2sz, GFP_KERNEL);
5347         if (!mem)
5348                 goto out;
5349
5350         memcpy(mem, (u8 *)pIoc2, iocpage2sz);
5351         ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
5352
5353         mpt_read_ioc_pg_3(ioc);
5354
5355         for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
5356                 mpt_inactive_raid_volumes(ioc,
5357                     pIoc2->RaidVolume[i].VolumeBus,
5358                     pIoc2->RaidVolume[i].VolumeID);
5359
5360  out:
5361         pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
5362
5363         return rc;
5364 }
5365
5366 static int
5367 mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
5368 {
5369         IOCPage3_t              *pIoc3;
5370         u8                      *mem;
5371         CONFIGPARMS              cfg;
5372         ConfigPageHeader_t       header;
5373         dma_addr_t               ioc3_dma;
5374         int                      iocpage3sz = 0;
5375
5376         /* Free the old page
5377          */
5378         kfree(ioc->raid_data.pIocPg3);
5379         ioc->raid_data.pIocPg3 = NULL;
5380
5381         /* There is at least one physical disk.
5382          * Read and save IOC Page 3
5383          */
5384         header.PageVersion = 0;
5385         header.PageLength = 0;
5386         header.PageNumber = 3;
5387         header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5388         cfg.cfghdr.hdr = &header;
5389         cfg.physAddr = -1;
5390         cfg.pageAddr = 0;
5391         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5392         cfg.dir = 0;
5393         cfg.timeout = 0;
5394         if (mpt_config(ioc, &cfg) != 0)
5395                 return 0;
5396
5397         if (header.PageLength == 0)
5398                 return 0;
5399
5400         /* Read Header good, alloc memory
5401          */
5402         iocpage3sz = header.PageLength * 4;
5403         pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
5404         if (!pIoc3)
5405                 return 0;
5406
5407         /* Read the Page and save the data
5408          * into malloc'd memory.
5409          */
5410         cfg.physAddr = ioc3_dma;
5411         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5412         if (mpt_config(ioc, &cfg) == 0) {
5413                 mem = kmalloc(iocpage3sz, GFP_KERNEL);
5414                 if (mem) {
5415                         memcpy(mem, (u8 *)pIoc3, iocpage3sz);
5416                         ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
5417                 }
5418         }
5419
5420         pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
5421
5422         return 0;
5423 }
5424
5425 static void
5426 mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
5427 {
5428         IOCPage4_t              *pIoc4;
5429         CONFIGPARMS              cfg;
5430         ConfigPageHeader_t       header;
5431         dma_addr_t               ioc4_dma;
5432         int                      iocpage4sz;
5433
5434         /* Read and save IOC Page 4
5435          */
5436         header.PageVersion = 0;
5437         header.PageLength = 0;
5438         header.PageNumber = 4;
5439         header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5440         cfg.cfghdr.hdr = &header;
5441         cfg.physAddr = -1;
5442         cfg.pageAddr = 0;
5443         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5444         cfg.dir = 0;
5445         cfg.timeout = 0;
5446         if (mpt_config(ioc, &cfg) != 0)
5447                 return;
5448
5449         if (header.PageLength == 0)
5450                 return;
5451
5452         if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
5453                 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
5454                 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
5455                 if (!pIoc4)
5456                         return;
5457                 ioc->alloc_total += iocpage4sz;
5458         } else {
5459                 ioc4_dma = ioc->spi_data.IocPg4_dma;
5460                 iocpage4sz = ioc->spi_data.IocPg4Sz;
5461         }
5462
5463         /* Read the Page into dma memory.
5464          */
5465         cfg.physAddr = ioc4_dma;
5466         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5467         if (mpt_config(ioc, &cfg) == 0) {
5468                 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
5469                 ioc->spi_data.IocPg4_dma = ioc4_dma;
5470                 ioc->spi_data.IocPg4Sz = iocpage4sz;
5471         } else {
5472                 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
5473                 ioc->spi_data.pIocPg4 = NULL;
5474                 ioc->alloc_total -= iocpage4sz;
5475         }
5476 }
5477
5478 static void
5479 mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
5480 {
5481         IOCPage1_t              *pIoc1;
5482         CONFIGPARMS              cfg;
5483         ConfigPageHeader_t       header;
5484         dma_addr_t               ioc1_dma;
5485         int                      iocpage1sz = 0;
5486         u32                      tmp;
5487
5488         /* Check the Coalescing Timeout in IOC Page 1
5489          */
5490         header.PageVersion = 0;
5491         header.PageLength = 0;
5492         header.PageNumber = 1;
5493         header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5494         cfg.cfghdr.hdr = &header;
5495         cfg.physAddr = -1;
5496         cfg.pageAddr = 0;
5497         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5498         cfg.dir = 0;
5499         cfg.timeout = 0;
5500         if (mpt_config(ioc, &cfg) != 0)
5501                 return;
5502
5503         if (header.PageLength == 0)
5504                 return;
5505
5506         /* Read Header good, alloc memory
5507          */
5508         iocpage1sz = header.PageLength * 4;
5509         pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
5510         if (!pIoc1)
5511                 return;
5512
5513         /* Read the Page and check coalescing timeout
5514          */
5515         cfg.physAddr = ioc1_dma;
5516         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5517         if (mpt_config(ioc, &cfg) == 0) {
5518
5519                 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
5520                 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
5521                         tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
5522
5523                         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
5524                                         ioc->name, tmp));
5525
5526                         if (tmp > MPT_COALESCING_TIMEOUT) {
5527                                 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
5528
5529                                 /* Write NVRAM and current
5530                                  */
5531                                 cfg.dir = 1;
5532                                 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
5533                                 if (mpt_config(ioc, &cfg) == 0) {
5534                                         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
5535                                                         ioc->name, MPT_COALESCING_TIMEOUT));
5536
5537                                         cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
5538                                         if (mpt_config(ioc, &cfg) == 0) {
5539                                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5540                                                                 "Reset NVRAM Coalescing Timeout to = %d\n",
5541                                                                 ioc->name, MPT_COALESCING_TIMEOUT));
5542                                         } else {
5543                                                 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5544                                                                 "Reset NVRAM Coalescing Timeout Failed\n",
5545                                                                 ioc->name));
5546                                         }
5547
5548                                 } else {
5549                                         dprintk(ioc, printk(MYIOC_s_WARN_FMT
5550                                                 "Reset of Current Coalescing Timeout Failed!\n",
5551                                                 ioc->name));
5552                                 }
5553                         }
5554
5555                 } else {
5556                         dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
5557                 }
5558         }
5559
5560         pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
5561
5562         return;
5563 }
5564
5565 static void
5566 mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
5567 {
5568         CONFIGPARMS             cfg;
5569         ConfigPageHeader_t      hdr;
5570         dma_addr_t              buf_dma;
5571         ManufacturingPage0_t    *pbuf = NULL;
5572
5573         memset(&cfg, 0 , sizeof(CONFIGPARMS));
5574         memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5575
5576         hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
5577         cfg.cfghdr.hdr = &hdr;
5578         cfg.physAddr = -1;
5579         cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5580         cfg.timeout = 10;
5581
5582         if (mpt_config(ioc, &cfg) != 0)
5583                 goto out;
5584
5585         if (!cfg.cfghdr.hdr->PageLength)
5586                 goto out;
5587
5588         cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5589         pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
5590         if (!pbuf)
5591                 goto out;
5592
5593         cfg.physAddr = buf_dma;
5594
5595         if (mpt_config(ioc, &cfg) != 0)
5596                 goto out;
5597
5598         memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
5599         memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
5600         memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
5601
5602         out:
5603
5604         if (pbuf)
5605                 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
5606 }
5607
5608 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5609 /**
5610  *      SendEventNotification - Send EventNotification (on or off) request to adapter
5611  *      @ioc: Pointer to MPT_ADAPTER structure
5612  *      @EvSwitch: Event switch flags
5613  */
5614 static int
5615 SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch)
5616 {
5617         EventNotification_t     *evnp;
5618
5619         evnp = (EventNotification_t *) mpt_get_msg_frame(mpt_base_index, ioc);
5620         if (evnp == NULL) {
5621                 devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Unable to allocate event request frame!\n",
5622                                 ioc->name));
5623                 return 0;
5624         }
5625         memset(evnp, 0, sizeof(*evnp));
5626
5627         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventNotification (%d) request %p\n", ioc->name, EvSwitch, evnp));
5628
5629         evnp->Function = MPI_FUNCTION_EVENT_NOTIFICATION;
5630         evnp->ChainOffset = 0;
5631         evnp->MsgFlags = 0;
5632         evnp->Switch = EvSwitch;
5633
5634         mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)evnp);
5635
5636         return 0;
5637 }
5638
5639 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5640 /**
5641  *      SendEventAck - Send EventAck request to MPT adapter.
5642  *      @ioc: Pointer to MPT_ADAPTER structure
5643  *      @evnp: Pointer to original EventNotification request
5644  */
5645 static int
5646 SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
5647 {
5648         EventAck_t      *pAck;
5649
5650         if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5651                 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
5652                     ioc->name,__FUNCTION__));
5653                 return -1;
5654         }
5655
5656         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
5657
5658         pAck->Function     = MPI_FUNCTION_EVENT_ACK;
5659         pAck->ChainOffset  = 0;
5660         pAck->Reserved[0]  = pAck->Reserved[1] = 0;
5661         pAck->MsgFlags     = 0;
5662         pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
5663         pAck->Event        = evnp->Event;
5664         pAck->EventContext = evnp->EventContext;
5665
5666         mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
5667
5668         return 0;
5669 }
5670
5671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5672 /**
5673  *      mpt_config - Generic function to issue config message
5674  *      @ioc:   Pointer to an adapter structure
5675  *      @pCfg:  Pointer to a configuration structure. Struct contains
5676  *              action, page address, direction, physical address
5677  *              and pointer to a configuration page header
5678  *              Page header is updated.
5679  *
5680  *      Returns 0 for success
5681  *      -EPERM if not allowed due to ISR context
5682  *      -EAGAIN if no msg frames currently available
5683  *      -EFAULT for non-successful reply or no reply (timeout)
5684  */
5685 int
5686 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
5687 {
5688         Config_t        *pReq;
5689         ConfigExtendedPageHeader_t  *pExtHdr = NULL;
5690         MPT_FRAME_HDR   *mf;
5691         unsigned long    flags;
5692         int              ii, rc;
5693         int              flagsLength;
5694         int              in_isr;
5695
5696         /*      Prevent calling wait_event() (below), if caller happens
5697          *      to be in ISR context, because that is fatal!
5698          */
5699         in_isr = in_interrupt();
5700         if (in_isr) {
5701                 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
5702                                 ioc->name));
5703                 return -EPERM;
5704         }
5705
5706         /* Get and Populate a free Frame
5707          */
5708         if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5709                 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
5710                                 ioc->name));
5711                 return -EAGAIN;
5712         }
5713         pReq = (Config_t *)mf;
5714         pReq->Action = pCfg->action;
5715         pReq->Reserved = 0;
5716         pReq->ChainOffset = 0;
5717         pReq->Function = MPI_FUNCTION_CONFIG;
5718
5719         /* Assume page type is not extended and clear "reserved" fields. */
5720         pReq->ExtPageLength = 0;
5721         pReq->ExtPageType = 0;
5722         pReq->MsgFlags = 0;
5723
5724         for (ii=0; ii < 8; ii++)
5725                 pReq->Reserved2[ii] = 0;
5726
5727         pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
5728         pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
5729         pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
5730         pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
5731
5732         if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
5733                 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
5734                 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
5735                 pReq->ExtPageType = pExtHdr->ExtPageType;
5736                 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
5737
5738                 /* Page Length must be treated as a reserved field for the extended header. */
5739                 pReq->Header.PageLength = 0;
5740         }
5741
5742         pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
5743
5744         /* Add a SGE to the config request.
5745          */
5746         if (pCfg->dir)
5747                 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
5748         else
5749                 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
5750
5751         if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
5752                 flagsLength |= pExtHdr->ExtPageLength * 4;
5753
5754                 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
5755                         ioc->name, pReq->ExtPageType, pReq->Header.PageNumber, pReq->Action));
5756         }
5757         else {
5758                 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
5759
5760                 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
5761                         ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
5762         }
5763
5764         mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
5765
5766         /* Append pCfg pointer to end of mf
5767          */
5768         *((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;
5769
5770         /* Initalize the timer
5771          */
5772         init_timer(&pCfg->timer);
5773         pCfg->timer.data = (unsigned long) ioc;
5774         pCfg->timer.function = mpt_timer_expired;
5775         pCfg->wait_done = 0;
5776
5777         /* Set the timer; ensure 10 second minimum */
5778         if (pCfg->timeout < 10)
5779                 pCfg->timer.expires = jiffies + HZ*10;
5780         else
5781                 pCfg->timer.expires = jiffies + HZ*pCfg->timeout;
5782
5783         /* Add to end of Q, set timer and then issue this command */
5784         spin_lock_irqsave(&ioc->FreeQlock, flags);
5785         list_add_tail(&pCfg->linkage, &ioc->configQ);
5786         spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5787
5788         add_timer(&pCfg->timer);
5789         mpt_put_msg_frame(mpt_base_index, ioc, mf);
5790         wait_event(mpt_waitq, pCfg->wait_done);
5791
5792         /* mf has been freed - do not access */
5793
5794         rc = pCfg->status;
5795
5796         return rc;
5797 }
5798
5799 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5800 /**
5801  *      mpt_timer_expired - Callback for timer process.
5802  *      Used only internal config functionality.
5803  *      @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
5804  */
5805 static void
5806 mpt_timer_expired(unsigned long data)
5807 {
5808         MPT_ADAPTER *ioc = (MPT_ADAPTER *) data;
5809
5810         dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired! \n", ioc->name));
5811
5812         /* Perform a FW reload */
5813         if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
5814                 printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
5815
5816         /* No more processing.
5817          * Hard reset clean-up will wake up
5818          * process and free all resources.
5819          */
5820         dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired complete!\n", ioc->name));
5821
5822         return;
5823 }
5824
5825 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5826 /**
5827  *      mpt_ioc_reset - Base cleanup for hard reset
5828  *      @ioc: Pointer to the adapter structure
5829  *      @reset_phase: Indicates pre- or post-reset functionality
5830  *
5831  *      Remark: Frees resources with internally generated commands.
5832  */
5833 static int
5834 mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
5835 {
5836         CONFIGPARMS *pCfg;
5837         unsigned long flags;
5838
5839         dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5840             ": IOC %s_reset routed to MPT base driver!\n",
5841             ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
5842             reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
5843
5844         if (reset_phase == MPT_IOC_SETUP_RESET) {
5845                 ;
5846         } else if (reset_phase == MPT_IOC_PRE_RESET) {
5847                 /* If the internal config Q is not empty -
5848                  * delete timer. MF resources will be freed when
5849                  * the FIFO's are primed.
5850                  */
5851                 spin_lock_irqsave(&ioc->FreeQlock, flags);
5852                 list_for_each_entry(pCfg, &ioc->configQ, linkage)
5853                         del_timer(&pCfg->timer);
5854                 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5855
5856         } else {
5857                 CONFIGPARMS *pNext;
5858
5859                 /* Search the configQ for internal commands.
5860                  * Flush the Q, and wake up all suspended threads.
5861                  */
5862                 spin_lock_irqsave(&ioc->FreeQlock, flags);
5863                 list_for_each_entry_safe(pCfg, pNext, &ioc->configQ, linkage) {
5864                         list_del(&pCfg->linkage);
5865
5866                         pCfg->status = MPT_CONFIG_ERROR;
5867                         pCfg->wait_done = 1;
5868                         wake_up(&mpt_waitq);
5869                 }
5870                 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5871         }
5872
5873         return 1;               /* currently means nothing really */
5874 }
5875
5876
5877 #ifdef CONFIG_PROC_FS           /* { */
5878 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5879 /*
5880  *      procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
5881  */
5882 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5883 /**
5884  *      procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
5885  *
5886  *      Returns 0 for success, non-zero for failure.
5887  */
5888 static int
5889 procmpt_create(void)
5890 {
5891         struct proc_dir_entry   *ent;
5892
5893         mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
5894         if (mpt_proc_root_dir == NULL)
5895                 return -ENOTDIR;
5896
5897         ent = create_proc_entry("summary", S_IFREG|S_IRUGO, mpt_proc_root_dir);
5898         if (ent)
5899                 ent->read_proc = procmpt_summary_read;
5900
5901         ent = create_proc_entry("version", S_IFREG|S_IRUGO, mpt_proc_root_dir);
5902         if (ent)
5903                 ent->read_proc = procmpt_version_read;
5904
5905         return 0;
5906 }
5907
5908 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5909 /**
5910  *      procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
5911  *
5912  *      Returns 0 for success, non-zero for failure.
5913  */
5914 static void
5915 procmpt_destroy(void)
5916 {
5917         remove_proc_entry("version", mpt_proc_root_dir);
5918         remove_proc_entry("summary", mpt_proc_root_dir);
5919         remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
5920 }
5921
5922 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5923 /**
5924  *      procmpt_summary_read - Handle read request of a summary file
5925  *      @buf: Pointer to area to write information
5926  *      @start: Pointer to start pointer
5927  *      @offset: Offset to start writing
5928  *      @request: Amount of read data requested
5929  *      @eof: Pointer to EOF integer
5930  *      @data: Pointer
5931  *
5932  *      Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
5933  *      Returns number of characters written to process performing the read.
5934  */
5935 static int
5936 procmpt_summary_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
5937 {
5938         MPT_ADAPTER *ioc;
5939         char *out = buf;
5940         int len;
5941
5942         if (data) {
5943                 int more = 0;
5944
5945                 ioc = data;
5946                 mpt_print_ioc_summary(ioc, out, &more, 0, 1);
5947
5948                 out += more;
5949         } else {
5950                 list_for_each_entry(ioc, &ioc_list, list) {
5951                         int     more = 0;
5952
5953                         mpt_print_ioc_summary(ioc, out, &more, 0, 1);
5954
5955                         out += more;
5956                         if ((out-buf) >= request)
5957                                 break;
5958                 }
5959         }
5960
5961         len = out - buf;
5962
5963         MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
5964 }
5965
5966 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5967 /**
5968  *      procmpt_version_read - Handle read request from /proc/mpt/version.
5969  *      @buf: Pointer to area to write information
5970  *      @start: Pointer to start pointer
5971  *      @offset: Offset to start writing
5972  *      @request: Amount of read data requested
5973  *      @eof: Pointer to EOF integer
5974  *      @data: Pointer
5975  *
5976  *      Returns number of characters written to process performing the read.
5977  */
5978 static int
5979 procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
5980 {
5981         u8       cb_idx;
5982         int      scsi, fc, sas, lan, ctl, targ, dmp;
5983         char    *drvname;
5984         int      len;
5985
5986         len = sprintf(buf, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
5987         len += sprintf(buf+len, "  Fusion MPT base driver\n");
5988
5989         scsi = fc = sas = lan = ctl = targ = dmp = 0;
5990         for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
5991                 drvname = NULL;
5992                 if (MptCallbacks[cb_idx]) {
5993                         switch (MptDriverClass[cb_idx]) {
5994                         case MPTSPI_DRIVER:
5995                                 if (!scsi++) drvname = "SPI host";
5996                                 break;
5997                         case MPTFC_DRIVER:
5998                                 if (!fc++) drvname = "FC host";
5999                                 break;
6000                         case MPTSAS_DRIVER:
6001                                 if (!sas++) drvname = "SAS host";
6002                                 break;
6003                         case MPTLAN_DRIVER:
6004                                 if (!lan++) drvname = "LAN";
6005                                 break;
6006                         case MPTSTM_DRIVER:
6007                                 if (!targ++) drvname = "SCSI target";
6008                                 break;
6009                         case MPTCTL_DRIVER:
6010                                 if (!ctl++) drvname = "ioctl";
6011                                 break;
6012                         }
6013
6014                         if (drvname)
6015                                 len += sprintf(buf+len, "  Fusion MPT %s driver\n", drvname);
6016                 }
6017         }
6018
6019         MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
6020 }
6021
6022 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6023 /**
6024  *      procmpt_iocinfo_read - Handle read request from /proc/mpt/iocN/info.
6025  *      @buf: Pointer to area to write information
6026  *      @start: Pointer to start pointer
6027  *      @offset: Offset to start writing
6028  *      @request: Amount of read data requested
6029  *      @eof: Pointer to EOF integer
6030  *      @data: Pointer
6031  *
6032  *      Returns number of characters written to process performing the read.
6033  */
6034 static int
6035 procmpt_iocinfo_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
6036 {
6037         MPT_ADAPTER     *ioc = data;
6038         int              len;
6039         char             expVer[32];
6040         int              sz;
6041         int              p;
6042
6043         mpt_get_fw_exp_ver(expVer, ioc);
6044
6045         len = sprintf(buf, "%s:", ioc->name);
6046         if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
6047                 len += sprintf(buf+len, "  (f/w download boot flag set)");
6048 //      if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
6049 //              len += sprintf(buf+len, "  CONFIG_CHECKSUM_FAIL!");
6050
6051         len += sprintf(buf+len, "\n  ProductID = 0x%04x (%s)\n",
6052                         ioc->facts.ProductID,
6053                         ioc->prod_name);
6054         len += sprintf(buf+len, "  FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
6055         if (ioc->facts.FWImageSize)
6056                 len += sprintf(buf+len, " (fw_size=%d)", ioc->facts.FWImageSize);
6057         len += sprintf(buf+len, "\n  MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
6058         len += sprintf(buf+len, "  FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
6059         len += sprintf(buf+len, "  EventState = 0x%02x\n", ioc->facts.EventState);
6060
6061         len += sprintf(buf+len, "  CurrentHostMfaHighAddr = 0x%08x\n",
6062                         ioc->facts.CurrentHostMfaHighAddr);
6063         len += sprintf(buf+len, "  CurrentSenseBufferHighAddr = 0x%08x\n",
6064                         ioc->facts.CurrentSenseBufferHighAddr);
6065
6066         len += sprintf(buf+len, "  MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
6067         len += sprintf(buf+len, "  MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
6068
6069         len += sprintf(buf+len, "  RequestFrames @ 0x%p (Dma @ 0x%p)\n",
6070                                         (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
6071         /*
6072          *  Rounding UP to nearest 4-kB boundary here...
6073          */
6074         sz = (ioc->req_sz * ioc->req_depth) + 128;
6075         sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
6076         len += sprintf(buf+len, "    {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
6077                                         ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
6078         len += sprintf(buf+len, "    {MaxReqSz=%d}   {MaxReqDepth=%d}\n",
6079                                         4*ioc->facts.RequestFrameSize,
6080                                         ioc->facts.GlobalCredits);
6081
6082         len += sprintf(buf+len, "  Frames   @ 0x%p (Dma @ 0x%p)\n",
6083                                         (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
6084         sz = (ioc->reply_sz * ioc->reply_depth) + 128;
6085         len += sprintf(buf+len, "    {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
6086                                         ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
6087         len += sprintf(buf+len, "    {MaxRepSz=%d}   {MaxRepDepth=%d}\n",
6088                                         ioc->facts.CurReplyFrameSize,
6089                                         ioc->facts.ReplyQueueDepth);
6090
6091         len += sprintf(buf+len, "  MaxDevices = %d\n",
6092                         (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
6093         len += sprintf(buf+len, "  MaxBuses = %d\n", ioc->facts.MaxBuses);
6094
6095         /* per-port info */
6096         for (p=0; p < ioc->facts.NumberOfPorts; p++) {
6097                 len += sprintf(buf+len, "  PortNumber = %d (of %d)\n",
6098                                 p+1,
6099                                 ioc->facts.NumberOfPorts);
6100                 if (ioc->bus_type == FC) {
6101                         if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
6102                                 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6103                                 len += sprintf(buf+len, "    LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
6104                                                 a[5], a[4], a[3], a[2], a[1], a[0]);
6105                         }
6106                         len += sprintf(buf+len, "    WWN = %08X%08X:%08X%08X\n",
6107                                         ioc->fc_port_page0[p].WWNN.High,
6108                                         ioc->fc_port_page0[p].WWNN.Low,
6109                                         ioc->fc_port_page0[p].WWPN.High,
6110                                         ioc->fc_port_page0[p].WWPN.Low);
6111                 }
6112         }
6113
6114         MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
6115 }
6116
6117 #endif          /* CONFIG_PROC_FS } */
6118
6119 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6120 static void
6121 mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
6122 {
6123         buf[0] ='\0';
6124         if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
6125                 sprintf(buf, " (Exp %02d%02d)",
6126                         (ioc->facts.FWVersion.Word >> 16) & 0x00FF,     /* Month */
6127                         (ioc->facts.FWVersion.Word >> 8) & 0x1F);       /* Day */
6128
6129                 /* insider hack! */
6130                 if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
6131                         strcat(buf, " [MDBG]");
6132         }
6133 }
6134
6135 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6136 /**
6137  *      mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
6138  *      @ioc: Pointer to MPT_ADAPTER structure
6139  *      @buffer: Pointer to buffer where IOC summary info should be written
6140  *      @size: Pointer to number of bytes we wrote (set by this routine)
6141  *      @len: Offset at which to start writing in buffer
6142  *      @showlan: Display LAN stuff?
6143  *
6144  *      This routine writes (english readable) ASCII text, which represents
6145  *      a summary of IOC information, to a buffer.
6146  */
6147 void
6148 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
6149 {
6150         char expVer[32];
6151         int y;
6152
6153         mpt_get_fw_exp_ver(expVer, ioc);
6154
6155         /*
6156          *  Shorter summary of attached ioc's...
6157          */
6158         y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6159                         ioc->name,
6160                         ioc->prod_name,
6161                         MPT_FW_REV_MAGIC_ID_STRING,     /* "FwRev=" or somesuch */
6162                         ioc->facts.FWVersion.Word,
6163                         expVer,
6164                         ioc->facts.NumberOfPorts,
6165                         ioc->req_depth);
6166
6167         if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6168                 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6169                 y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
6170                         a[5], a[4], a[3], a[2], a[1], a[0]);
6171         }
6172
6173         y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
6174
6175         if (!ioc->active)
6176                 y += sprintf(buffer+len+y, " (disabled)");
6177
6178         y += sprintf(buffer+len+y, "\n");
6179
6180         *size = y;
6181 }
6182
6183 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6184 /*
6185  *      Reset Handling
6186  */
6187 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6188 /**
6189  *      mpt_HardResetHandler - Generic reset handler
6190  *      @ioc: Pointer to MPT_ADAPTER structure
6191  *      @sleepFlag: Indicates if sleep or schedule must be called.
6192  *
6193  *      Issues SCSI Task Management call based on input arg values.
6194  *      If TaskMgmt fails, returns associated SCSI request.
6195  *
6196  *      Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
6197  *      or a non-interrupt thread.  In the former, must not call schedule().
6198  *
6199  *      Note: A return of -1 is a FATAL error case, as it means a
6200  *      FW reload/initialization failed.
6201  *
6202  *      Returns 0 for SUCCESS or -1 if FAILED.
6203  */
6204 int
6205 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
6206 {
6207         int              rc;
6208         unsigned long    flags;
6209
6210         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
6211 #ifdef MFCNT
6212         printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
6213         printk("MF count 0x%x !\n", ioc->mfcnt);
6214 #endif
6215
6216         /* Reset the adapter. Prevent more than 1 call to
6217          * mpt_do_ioc_recovery at any instant in time.
6218          */
6219         spin_lock_irqsave(&ioc->diagLock, flags);
6220         if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)){
6221                 spin_unlock_irqrestore(&ioc->diagLock, flags);
6222                 return 0;
6223         } else {
6224                 ioc->diagPending = 1;
6225         }
6226         spin_unlock_irqrestore(&ioc->diagLock, flags);
6227
6228         /* FIXME: If do_ioc_recovery fails, repeat....
6229          */
6230
6231         /* The SCSI driver needs to adjust timeouts on all current
6232          * commands prior to the diagnostic reset being issued.
6233          * Prevents timeouts occurring during a diagnostic reset...very bad.
6234          * For all other protocol drivers, this is a no-op.
6235          */
6236         {
6237                 u8       cb_idx;
6238                 int      r = 0;
6239
6240                 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6241                         if (MptResetHandlers[cb_idx]) {
6242                                 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling IOC reset_setup handler #%d\n",
6243                                                 ioc->name, cb_idx));
6244                                 r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
6245                                 if (ioc->alt_ioc) {
6246                                         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling alt-%s setup reset handler #%d\n",
6247                                                         ioc->name, ioc->alt_ioc->name, cb_idx));
6248                                         r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
6249                                 }
6250                         }
6251                 }
6252         }
6253
6254         if ((rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag)) != 0) {
6255                 printk(MYIOC_s_WARN_FMT "Cannot recover rc = %d!\n", ioc->name, rc);
6256         }
6257         ioc->reload_fw = 0;
6258         if (ioc->alt_ioc)
6259                 ioc->alt_ioc->reload_fw = 0;
6260
6261         spin_lock_irqsave(&ioc->diagLock, flags);
6262         ioc->diagPending = 0;
6263         if (ioc->alt_ioc)
6264                 ioc->alt_ioc->diagPending = 0;
6265         spin_unlock_irqrestore(&ioc->diagLock, flags);
6266
6267         dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler rc = %d!\n", ioc->name, rc));
6268
6269         return rc;
6270 }
6271
6272 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6273 static void
6274 EventDescriptionStr(u8 event, u32 evData0, char *evStr)
6275 {
6276         char *ds = NULL;
6277
6278         switch(event) {
6279         case MPI_EVENT_NONE:
6280                 ds = "None";
6281                 break;
6282         case MPI_EVENT_LOG_DATA:
6283                 ds = "Log Data";
6284                 break;
6285         case MPI_EVENT_STATE_CHANGE:
6286                 ds = "State Change";
6287                 break;
6288         case MPI_EVENT_UNIT_ATTENTION:
6289                 ds = "Unit Attention";
6290                 break;
6291         case MPI_EVENT_IOC_BUS_RESET:
6292                 ds = "IOC Bus Reset";
6293                 break;
6294         case MPI_EVENT_EXT_BUS_RESET:
6295                 ds = "External Bus Reset";
6296                 break;
6297         case MPI_EVENT_RESCAN:
6298                 ds = "Bus Rescan Event";
6299                 break;
6300         case MPI_EVENT_LINK_STATUS_CHANGE:
6301                 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
6302                         ds = "Link Status(FAILURE) Change";
6303                 else
6304                         ds = "Link Status(ACTIVE) Change";
6305                 break;
6306         case MPI_EVENT_LOOP_STATE_CHANGE:
6307                 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
6308                         ds = "Loop State(LIP) Change";
6309                 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
6310                         ds = "Loop State(LPE) Change";          /* ??? */
6311                 else
6312                         ds = "Loop State(LPB) Change";          /* ??? */
6313                 break;
6314         case MPI_EVENT_LOGOUT:
6315                 ds = "Logout";
6316                 break;
6317         case MPI_EVENT_EVENT_CHANGE:
6318                 if (evData0)
6319                         ds = "Events ON";
6320                 else
6321                         ds = "Events OFF";
6322                 break;
6323         case MPI_EVENT_INTEGRATED_RAID:
6324         {
6325                 u8 ReasonCode = (u8)(evData0 >> 16);
6326                 switch (ReasonCode) {
6327                 case MPI_EVENT_RAID_RC_VOLUME_CREATED :
6328                         ds = "Integrated Raid: Volume Created";
6329                         break;
6330                 case MPI_EVENT_RAID_RC_VOLUME_DELETED :
6331                         ds = "Integrated Raid: Volume Deleted";
6332                         break;
6333                 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
6334                         ds = "Integrated Raid: Volume Settings Changed";
6335                         break;
6336                 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
6337                         ds = "Integrated Raid: Volume Status Changed";
6338                         break;
6339                 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
6340                         ds = "Integrated Raid: Volume Physdisk Changed";
6341                         break;
6342                 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
6343                         ds = "Integrated Raid: Physdisk Created";
6344                         break;
6345                 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
6346                         ds = "Integrated Raid: Physdisk Deleted";
6347                         break;
6348                 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
6349                         ds = "Integrated Raid: Physdisk Settings Changed";
6350                         break;
6351                 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
6352                         ds = "Integrated Raid: Physdisk Status Changed";
6353                         break;
6354                 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
6355                         ds = "Integrated Raid: Domain Validation Needed";
6356                         break;
6357                 case MPI_EVENT_RAID_RC_SMART_DATA :
6358                         ds = "Integrated Raid; Smart Data";
6359                         break;
6360                 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
6361                         ds = "Integrated Raid: Replace Action Started";
6362                         break;
6363                 default:
6364                         ds = "Integrated Raid";
6365                 break;
6366                 }
6367                 break;
6368         }
6369         case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
6370                 ds = "SCSI Device Status Change";
6371                 break;
6372         case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
6373         {
6374                 u8 id = (u8)(evData0);
6375                 u8 channel = (u8)(evData0 >> 8);
6376                 u8 ReasonCode = (u8)(evData0 >> 16);
6377                 switch (ReasonCode) {
6378                 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
6379                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6380                             "SAS Device Status Change: Added: "
6381                             "id=%d channel=%d", id, channel);
6382                         break;
6383                 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
6384                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6385                             "SAS Device Status Change: Deleted: "
6386                             "id=%d channel=%d", id, channel);
6387                         break;
6388                 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
6389                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6390                             "SAS Device Status Change: SMART Data: "
6391                             "id=%d channel=%d", id, channel);
6392                         break;
6393                 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
6394                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6395                             "SAS Device Status Change: No Persistancy: "
6396                             "id=%d channel=%d", id, channel);
6397                         break;
6398                 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
6399                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6400                             "SAS Device Status Change: Unsupported Device "
6401                             "Discovered : id=%d channel=%d", id, channel);
6402                         break;
6403                 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
6404                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6405                             "SAS Device Status Change: Internal Device "
6406                             "Reset : id=%d channel=%d", id, channel);
6407                         break;
6408                 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
6409                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6410                             "SAS Device Status Change: Internal Task "
6411                             "Abort : id=%d channel=%d", id, channel);
6412                         break;
6413                 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
6414                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6415                             "SAS Device Status Change: Internal Abort "
6416                             "Task Set : id=%d channel=%d", id, channel);
6417                         break;
6418                 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
6419                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6420                             "SAS Device Status Change: Internal Clear "
6421                             "Task Set : id=%d channel=%d", id, channel);
6422                         break;
6423                 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
6424                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6425                             "SAS Device Status Change: Internal Query "
6426                             "Task : id=%d channel=%d", id, channel);
6427                         break;
6428                 default:
6429                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6430                             "SAS Device Status Change: Unknown: "
6431                             "id=%d channel=%d", id, channel);
6432                         break;
6433                 }
6434                 break;
6435         }
6436         case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
6437                 ds = "Bus Timer Expired";
6438                 break;
6439         case MPI_EVENT_QUEUE_FULL:
6440         {
6441                 u16 curr_depth = (u16)(evData0 >> 16);
6442                 u8 channel = (u8)(evData0 >> 8);
6443                 u8 id = (u8)(evData0);
6444
6445                 snprintf(evStr, EVENT_DESCR_STR_SZ,
6446                    "Queue Full: channel=%d id=%d depth=%d",
6447                    channel, id, curr_depth);
6448                 break;
6449         }
6450         case MPI_EVENT_SAS_SES:
6451                 ds = "SAS SES Event";
6452                 break;
6453         case MPI_EVENT_PERSISTENT_TABLE_FULL:
6454                 ds = "Persistent Table Full";
6455                 break;
6456         case MPI_EVENT_SAS_PHY_LINK_STATUS:
6457         {
6458                 u8 LinkRates = (u8)(evData0 >> 8);
6459                 u8 PhyNumber = (u8)(evData0);
6460                 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
6461                         MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
6462                 switch (LinkRates) {
6463                 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
6464                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6465                            "SAS PHY Link Status: Phy=%d:"
6466                            " Rate Unknown",PhyNumber);
6467                         break;
6468                 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
6469                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6470                            "SAS PHY Link Status: Phy=%d:"
6471                            " Phy Disabled",PhyNumber);
6472                         break;
6473                 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
6474                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6475                            "SAS PHY Link Status: Phy=%d:"
6476                            " Failed Speed Nego",PhyNumber);
6477                         break;
6478                 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
6479                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6480                            "SAS PHY Link Status: Phy=%d:"
6481                            " Sata OOB Completed",PhyNumber);
6482                         break;
6483                 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
6484                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6485                            "SAS PHY Link Status: Phy=%d:"
6486                            " Rate 1.5 Gbps",PhyNumber);
6487                         break;
6488                 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
6489                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6490                            "SAS PHY Link Status: Phy=%d:"
6491                            " Rate 3.0 Gpbs",PhyNumber);
6492                         break;
6493                 default:
6494                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6495                            "SAS PHY Link Status: Phy=%d", PhyNumber);
6496                         break;
6497                 }
6498                 break;
6499         }
6500         case MPI_EVENT_SAS_DISCOVERY_ERROR:
6501                 ds = "SAS Discovery Error";
6502                 break;
6503         case MPI_EVENT_IR_RESYNC_UPDATE:
6504         {
6505                 u8 resync_complete = (u8)(evData0 >> 16);
6506                 snprintf(evStr, EVENT_DESCR_STR_SZ,
6507                     "IR Resync Update: Complete = %d:",resync_complete);
6508                 break;
6509         }
6510         case MPI_EVENT_IR2:
6511         {
6512                 u8 ReasonCode = (u8)(evData0 >> 16);
6513                 switch (ReasonCode) {
6514                 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
6515                         ds = "IR2: LD State Changed";
6516                         break;
6517                 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
6518                         ds = "IR2: PD State Changed";
6519                         break;
6520                 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
6521                         ds = "IR2: Bad Block Table Full";
6522                         break;
6523                 case MPI_EVENT_IR2_RC_PD_INSERTED:
6524                         ds = "IR2: PD Inserted";
6525                         break;
6526                 case MPI_EVENT_IR2_RC_PD_REMOVED:
6527                         ds = "IR2: PD Removed";
6528                         break;
6529                 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
6530                         ds = "IR2: Foreign CFG Detected";
6531                         break;
6532                 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
6533                         ds = "IR2: Rebuild Medium Error";
6534                         break;
6535                 default:
6536                         ds = "IR2";
6537                 break;
6538                 }
6539                 break;
6540         }
6541         case MPI_EVENT_SAS_DISCOVERY:
6542         {
6543                 if (evData0)
6544                         ds = "SAS Discovery: Start";
6545                 else
6546                         ds = "SAS Discovery: Stop";
6547                 break;
6548         }
6549         case MPI_EVENT_LOG_ENTRY_ADDED:
6550                 ds = "SAS Log Entry Added";
6551                 break;
6552
6553         case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
6554         {
6555                 u8 phy_num = (u8)(evData0);
6556                 u8 port_num = (u8)(evData0 >> 8);
6557                 u8 port_width = (u8)(evData0 >> 16);
6558                 u8 primative = (u8)(evData0 >> 24);
6559                 snprintf(evStr, EVENT_DESCR_STR_SZ,
6560                     "SAS Broadcase Primative: phy=%d port=%d "
6561                     "width=%d primative=0x%02x",
6562                     phy_num, port_num, port_width, primative);
6563                 break;
6564         }
6565
6566         case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
6567         {
6568                 u8 reason = (u8)(evData0);
6569                 u8 port_num = (u8)(evData0 >> 8);
6570                 u16 handle = le16_to_cpu(evData0 >> 16);
6571
6572                 snprintf(evStr, EVENT_DESCR_STR_SZ,
6573                     "SAS Initiator Device Status Change: reason=0x%02x "
6574                     "port=%d handle=0x%04x",
6575                     reason, port_num, handle);
6576                 break;
6577         }
6578
6579         case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
6580         {
6581                 u8 max_init = (u8)(evData0);
6582                 u8 current_init = (u8)(evData0 >> 8);
6583
6584                 snprintf(evStr, EVENT_DESCR_STR_SZ,
6585                     "SAS Initiator Device Table Overflow: max initiators=%02d "
6586                     "current initators=%02d",
6587                     max_init, current_init);
6588                 break;
6589         }
6590         case MPI_EVENT_SAS_SMP_ERROR:
6591         {
6592                 u8 status = (u8)(evData0);
6593                 u8 port_num = (u8)(evData0 >> 8);
6594                 u8 result = (u8)(evData0 >> 16);
6595
6596                 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
6597                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6598                             "SAS SMP Error: port=%d result=0x%02x",
6599                             port_num, result);
6600                 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
6601                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6602                             "SAS SMP Error: port=%d : CRC Error",
6603                             port_num);
6604                 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
6605                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6606                             "SAS SMP Error: port=%d : Timeout",
6607                             port_num);
6608                 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
6609                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6610                             "SAS SMP Error: port=%d : No Destination",
6611                             port_num);
6612                 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
6613                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6614                             "SAS SMP Error: port=%d : Bad Destination",
6615                             port_num);
6616                 else
6617                         snprintf(evStr, EVENT_DESCR_STR_SZ,
6618                             "SAS SMP Error: port=%d : status=0x%02x",
6619                             port_num, status);
6620                 break;
6621         }
6622
6623         /*
6624          *  MPT base "custom" events may be added here...
6625          */
6626         default:
6627                 ds = "Unknown";
6628                 break;
6629         }
6630         if (ds)
6631                 strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
6632 }
6633
6634 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6635 /**
6636  *      ProcessEventNotification - Route EventNotificationReply to all event handlers
6637  *      @ioc: Pointer to MPT_ADAPTER structure
6638  *      @pEventReply: Pointer to EventNotification reply frame
6639  *      @evHandlers: Pointer to integer, number of event handlers
6640  *
6641  *      Routes a received EventNotificationReply to all currently registered
6642  *      event handlers.
6643  *      Returns sum of event handlers return values.
6644  */
6645 static int
6646 ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
6647 {
6648         u16 evDataLen;
6649         u32 evData0 = 0;
6650 //      u32 evCtx;
6651         int ii;
6652         u8 cb_idx;
6653         int r = 0;
6654         int handlers = 0;
6655         char evStr[EVENT_DESCR_STR_SZ];
6656         u8 event;
6657
6658         /*
6659          *  Do platform normalization of values
6660          */
6661         event = le32_to_cpu(pEventReply->Event) & 0xFF;
6662 //      evCtx = le32_to_cpu(pEventReply->EventContext);
6663         evDataLen = le16_to_cpu(pEventReply->EventDataLength);
6664         if (evDataLen) {
6665                 evData0 = le32_to_cpu(pEventReply->Data[0]);
6666         }
6667
6668         EventDescriptionStr(event, evData0, evStr);
6669         devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event:(%02Xh) : %s\n",
6670                         ioc->name,
6671                         event,
6672                         evStr));
6673
6674 #ifdef CONFIG_FUSION_LOGGING
6675         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6676             ": Event data:\n", ioc->name));
6677         for (ii = 0; ii < evDataLen; ii++)
6678                 devtverboseprintk(ioc, printk(" %08x",
6679                     le32_to_cpu(pEventReply->Data[ii])));
6680         devtverboseprintk(ioc, printk("\n"));
6681 #endif
6682
6683         /*
6684          *  Do general / base driver event processing
6685          */
6686         switch(event) {
6687         case MPI_EVENT_EVENT_CHANGE:            /* 0A */
6688                 if (evDataLen) {
6689                         u8 evState = evData0 & 0xFF;
6690
6691                         /* CHECKME! What if evState unexpectedly says OFF (0)? */
6692
6693                         /* Update EventState field in cached IocFacts */
6694                         if (ioc->facts.Function) {
6695                                 ioc->facts.EventState = evState;
6696                         }
6697                 }
6698                 break;
6699         case MPI_EVENT_INTEGRATED_RAID:
6700                 mptbase_raid_process_event_data(ioc,
6701                     (MpiEventDataRaid_t *)pEventReply->Data);
6702                 break;
6703         default:
6704                 break;
6705         }
6706
6707         /*
6708          * Should this event be logged? Events are written sequentially.
6709          * When buffer is full, start again at the top.
6710          */
6711         if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
6712                 int idx;
6713
6714                 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
6715
6716                 ioc->events[idx].event = event;
6717                 ioc->events[idx].eventContext = ioc->eventContext;
6718
6719                 for (ii = 0; ii < 2; ii++) {
6720                         if (ii < evDataLen)
6721                                 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
6722                         else
6723                                 ioc->events[idx].data[ii] =  0;
6724                 }
6725
6726                 ioc->eventContext++;
6727         }
6728
6729
6730         /*
6731          *  Call each currently registered protocol event handler.
6732          */
6733         for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6734                 if (MptEvHandlers[cb_idx]) {
6735                         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Routing Event to event handler #%d\n",
6736                                         ioc->name, cb_idx));
6737                         r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
6738                         handlers++;
6739                 }
6740         }
6741         /* FIXME?  Examine results here? */
6742
6743         /*
6744          *  If needed, send (a single) EventAck.
6745          */
6746         if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
6747                 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6748                         "EventAck required\n",ioc->name));
6749                 if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
6750                         devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
6751                                         ioc->name, ii));
6752                 }
6753         }
6754
6755         *evHandlers = handlers;
6756         return r;
6757 }
6758
6759 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6760 /**
6761  *      mpt_fc_log_info - Log information returned from Fibre Channel IOC.
6762  *      @ioc: Pointer to MPT_ADAPTER structure
6763  *      @log_info: U32 LogInfo reply word from the IOC
6764  *
6765  *      Refer to lsi/mpi_log_fc.h.
6766  */
6767 static void
6768 mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
6769 {
6770         char *desc = "unknown";
6771
6772         switch (log_info & 0xFF000000) {
6773         case MPI_IOCLOGINFO_FC_INIT_BASE:
6774                 desc = "FCP Initiator";
6775                 break;
6776         case MPI_IOCLOGINFO_FC_TARGET_BASE:
6777                 desc = "FCP Target";
6778                 break;
6779         case MPI_IOCLOGINFO_FC_LAN_BASE:
6780                 desc = "LAN";
6781                 break;
6782         case MPI_IOCLOGINFO_FC_MSG_BASE:
6783                 desc = "MPI Message Layer";
6784                 break;
6785         case MPI_IOCLOGINFO_FC_LINK_BASE:
6786                 desc = "FC Link";
6787                 break;
6788         case MPI_IOCLOGINFO_FC_CTX_BASE:
6789                 desc = "Context Manager";
6790                 break;
6791         case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
6792                 desc = "Invalid Field Offset";
6793                 break;
6794         case MPI_IOCLOGINFO_FC_STATE_CHANGE:
6795                 desc = "State Change Info";
6796                 break;
6797         }
6798
6799         printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
6800                         ioc->name, log_info, desc, (log_info & 0xFFFFFF));
6801 }
6802
6803 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6804 /**
6805  *      mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
6806  *      @ioc: Pointer to MPT_ADAPTER structure
6807  *      @mr: Pointer to MPT reply frame
6808  *      @log_info: U32 LogInfo word from the IOC
6809  *
6810  *      Refer to lsi/sp_log.h.
6811  */
6812 static void
6813 mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
6814 {
6815         u32 info = log_info & 0x00FF0000;
6816         char *desc = "unknown";
6817
6818         switch (info) {
6819         case 0x00010000:
6820                 desc = "bug! MID not found";
6821                 if (ioc->reload_fw == 0)
6822                         ioc->reload_fw++;
6823                 break;
6824
6825         case 0x00020000:
6826                 desc = "Parity Error";
6827                 break;
6828
6829         case 0x00030000:
6830                 desc = "ASYNC Outbound Overrun";
6831                 break;
6832
6833         case 0x00040000:
6834                 desc = "SYNC Offset Error";
6835                 break;
6836
6837         case 0x00050000:
6838                 desc = "BM Change";
6839                 break;
6840
6841         case 0x00060000:
6842                 desc = "Msg In Overflow";
6843                 break;
6844
6845         case 0x00070000:
6846                 desc = "DMA Error";
6847                 break;
6848
6849         case 0x00080000:
6850                 desc = "Outbound DMA Overrun";
6851                 break;
6852
6853         case 0x00090000:
6854                 desc = "Task Management";
6855                 break;
6856
6857         case 0x000A0000:
6858                 desc = "Device Problem";
6859                 break;
6860
6861         case 0x000B0000:
6862                 desc = "Invalid Phase Change";
6863                 break;
6864
6865         case 0x000C0000:
6866                 desc = "Untagged Table Size";
6867                 break;
6868
6869         }
6870
6871         printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
6872 }
6873
6874 /* strings for sas loginfo */
6875         static char *originator_str[] = {
6876                 "IOP",                                          /* 00h */
6877                 "PL",                                           /* 01h */
6878                 "IR"                                            /* 02h */
6879         };
6880         static char *iop_code_str[] = {
6881                 NULL,                                           /* 00h */
6882                 "Invalid SAS Address",                          /* 01h */
6883                 NULL,                                           /* 02h */
6884                 "Invalid Page",                                 /* 03h */
6885                 "Diag Message Error",                           /* 04h */
6886                 "Task Terminated",                              /* 05h */
6887                 "Enclosure Management",                         /* 06h */
6888                 "Target Mode"                                   /* 07h */
6889         };
6890         static char *pl_code_str[] = {
6891                 NULL,                                           /* 00h */
6892                 "Open Failure",                                 /* 01h */
6893                 "Invalid Scatter Gather List",                  /* 02h */
6894                 "Wrong Relative Offset or Frame Length",        /* 03h */
6895                 "Frame Transfer Error",                         /* 04h */
6896                 "Transmit Frame Connected Low",                 /* 05h */
6897                 "SATA Non-NCQ RW Error Bit Set",                /* 06h */
6898                 "SATA Read Log Receive Data Error",             /* 07h */
6899                 "SATA NCQ Fail All Commands After Error",       /* 08h */
6900                 "SATA Error in Receive Set Device Bit FIS",     /* 09h */
6901                 "Receive Frame Invalid Message",                /* 0Ah */
6902                 "Receive Context Message Valid Error",          /* 0Bh */
6903                 "Receive Frame Current Frame Error",            /* 0Ch */
6904                 "SATA Link Down",                               /* 0Dh */
6905                 "Discovery SATA Init W IOS",                    /* 0Eh */
6906                 "Config Invalid Page",                          /* 0Fh */
6907                 "Discovery SATA Init Timeout",                  /* 10h */
6908                 "Reset",                                        /* 11h */
6909                 "Abort",                                        /* 12h */
6910                 "IO Not Yet Executed",                          /* 13h */
6911                 "IO Executed",                                  /* 14h */
6912                 "Persistent Reservation Out Not Affiliation "
6913                     "Owner",                                    /* 15h */
6914                 "Open Transmit DMA Abort",                      /* 16h */
6915                 "IO Device Missing Delay Retry",                /* 17h */
6916                 "IO Cancelled Due to Recieve Error",            /* 18h */
6917                 NULL,                                           /* 19h */
6918                 NULL,                                           /* 1Ah */
6919                 NULL,                                           /* 1Bh */
6920                 NULL,                                           /* 1Ch */
6921                 NULL,                                           /* 1Dh */
6922                 NULL,                                           /* 1Eh */
6923                 NULL,                                           /* 1Fh */
6924                 "Enclosure Management"                          /* 20h */
6925         };
6926         static char *ir_code_str[] = {
6927                 "Raid Action Error",                            /* 00h */
6928                 NULL,                                           /* 00h */
6929                 NULL,                                           /* 01h */
6930                 NULL,                                           /* 02h */
6931                 NULL,                                           /* 03h */
6932                 NULL,                                           /* 04h */
6933                 NULL,                                           /* 05h */
6934                 NULL,                                           /* 06h */
6935                 NULL                                            /* 07h */
6936         };
6937         static char *raid_sub_code_str[] = {
6938                 NULL,                                           /* 00h */
6939                 "Volume Creation Failed: Data Passed too "
6940                     "Large",                                    /* 01h */
6941                 "Volume Creation Failed: Duplicate Volumes "
6942                     "Attempted",                                /* 02h */
6943                 "Volume Creation Failed: Max Number "
6944                     "Supported Volumes Exceeded",               /* 03h */
6945                 "Volume Creation Failed: DMA Error",            /* 04h */
6946                 "Volume Creation Failed: Invalid Volume Type",  /* 05h */
6947                 "Volume Creation Failed: Error Reading "
6948                     "MFG Page 4",                               /* 06h */
6949                 "Volume Creation Failed: Creating Internal "
6950                     "Structures",                               /* 07h */
6951                 NULL,                                           /* 08h */
6952                 NULL,                                           /* 09h */
6953                 NULL,                                           /* 0Ah */
6954                 NULL,                                           /* 0Bh */
6955                 NULL,                                           /* 0Ch */
6956                 NULL,                                           /* 0Dh */
6957                 NULL,                                           /* 0Eh */
6958                 NULL,                                           /* 0Fh */
6959                 "Activation failed: Already Active Volume",     /* 10h */
6960                 "Activation failed: Unsupported Volume Type",   /* 11h */
6961                 "Activation failed: Too Many Active Volumes",   /* 12h */
6962                 "Activation failed: Volume ID in Use",          /* 13h */
6963                 "Activation failed: Reported Failure",          /* 14h */
6964                 "Activation failed: Importing a Volume",        /* 15h */
6965                 NULL,                                           /* 16h */
6966                 NULL,                                           /* 17h */
6967                 NULL,                                           /* 18h */
6968                 NULL,                                           /* 19h */
6969                 NULL,                                           /* 1Ah */
6970                 NULL,                                           /* 1Bh */
6971                 NULL,                                           /* 1Ch */
6972                 NULL,                                           /* 1Dh */
6973                 NULL,                                           /* 1Eh */
6974                 NULL,                                           /* 1Fh */
6975                 "Phys Disk failed: Too Many Phys Disks",        /* 20h */
6976                 "Phys Disk failed: Data Passed too Large",      /* 21h */
6977                 "Phys Disk failed: DMA Error",                  /* 22h */
6978                 "Phys Disk failed: Invalid <channel:id>",       /* 23h */
6979                 "Phys Disk failed: Creating Phys Disk Config "
6980                     "Page",                                     /* 24h */
6981                 NULL,                                           /* 25h */
6982                 NULL,                                           /* 26h */
6983                 NULL,                                           /* 27h */
6984                 NULL,                                           /* 28h */
6985                 NULL,                                           /* 29h */
6986                 NULL,                                           /* 2Ah */
6987                 NULL,                                           /* 2Bh */
6988                 NULL,                                           /* 2Ch */
6989                 NULL,                                           /* 2Dh */
6990                 NULL,                                           /* 2Eh */
6991                 NULL,                                           /* 2Fh */
6992                 "Compatibility Error: IR Disabled",             /* 30h */
6993                 "Compatibility Error: Inquiry Comand Failed",   /* 31h */
6994                 "Compatibility Error: Device not Direct Access "
6995                     "Device ",                                  /* 32h */
6996                 "Compatibility Error: Removable Device Found",  /* 33h */
6997                 "Compatibility Error: Device SCSI Version not "
6998                     "2 or Higher",                              /* 34h */
6999                 "Compatibility Error: SATA Device, 48 BIT LBA "
7000                     "not Supported",                            /* 35h */
7001                 "Compatibility Error: Device doesn't have "
7002                     "512 Byte Block Sizes",                     /* 36h */
7003                 "Compatibility Error: Volume Type Check Failed", /* 37h */
7004                 "Compatibility Error: Volume Type is "
7005                     "Unsupported by FW",                        /* 38h */
7006                 "Compatibility Error: Disk Drive too Small for "
7007                     "use in Volume",                            /* 39h */
7008                 "Compatibility Error: Phys Disk for Create "
7009                     "Volume not Found",                         /* 3Ah */
7010                 "Compatibility Error: Too Many or too Few "
7011                     "Disks for Volume Type",                    /* 3Bh */
7012                 "Compatibility Error: Disk stripe Sizes "
7013                     "Must be 64KB",                             /* 3Ch */
7014                 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
7015         };
7016
7017 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7018 /**
7019  *      mpt_sas_log_info - Log information returned from SAS IOC.
7020  *      @ioc: Pointer to MPT_ADAPTER structure
7021  *      @log_info: U32 LogInfo reply word from the IOC
7022  *
7023  *      Refer to lsi/mpi_log_sas.h.
7024  **/
7025 static void
7026 mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info)
7027 {
7028 union loginfo_type {
7029         u32     loginfo;
7030         struct {
7031                 u32     subcode:16;
7032                 u32     code:8;
7033                 u32     originator:4;
7034                 u32     bus_type:4;
7035         }dw;
7036 };
7037         union loginfo_type sas_loginfo;
7038         char *originator_desc = NULL;
7039         char *code_desc = NULL;
7040         char *sub_code_desc = NULL;
7041
7042         sas_loginfo.loginfo = log_info;
7043         if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
7044             (sas_loginfo.dw.originator < sizeof(originator_str)/sizeof(char*)))
7045                 return;
7046
7047         originator_desc = originator_str[sas_loginfo.dw.originator];
7048
7049         switch (sas_loginfo.dw.originator) {
7050
7051                 case 0:  /* IOP */
7052                         if (sas_loginfo.dw.code <
7053                             sizeof(iop_code_str)/sizeof(char*))
7054                                 code_desc = iop_code_str[sas_loginfo.dw.code];
7055                         break;
7056                 case 1:  /* PL */
7057                         if (sas_loginfo.dw.code <
7058                             sizeof(pl_code_str)/sizeof(char*))
7059                                 code_desc = pl_code_str[sas_loginfo.dw.code];
7060                         break;
7061                 case 2:  /* IR */
7062                         if (sas_loginfo.dw.code >=
7063                             sizeof(ir_code_str)/sizeof(char*))
7064                                 break;
7065                         code_desc = ir_code_str[sas_loginfo.dw.code];
7066                         if (sas_loginfo.dw.subcode >=
7067                             sizeof(raid_sub_code_str)/sizeof(char*))
7068                         break;
7069                         if (sas_loginfo.dw.code == 0)
7070                                 sub_code_desc =
7071                                     raid_sub_code_str[sas_loginfo.dw.subcode];
7072                         break;
7073                 default:
7074                         return;
7075         }
7076
7077         if (sub_code_desc != NULL)
7078                 printk(MYIOC_s_INFO_FMT
7079                         "LogInfo(0x%08x): Originator={%s}, Code={%s},"
7080                         " SubCode={%s}\n",
7081                         ioc->name, log_info, originator_desc, code_desc,
7082                         sub_code_desc);
7083         else if (code_desc != NULL)
7084                 printk(MYIOC_s_INFO_FMT
7085                         "LogInfo(0x%08x): Originator={%s}, Code={%s},"
7086                         " SubCode(0x%04x)\n",
7087                         ioc->name, log_info, originator_desc, code_desc,
7088                         sas_loginfo.dw.subcode);
7089         else
7090                 printk(MYIOC_s_INFO_FMT
7091                         "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
7092                         " SubCode(0x%04x)\n",
7093                         ioc->name, log_info, originator_desc,
7094                         sas_loginfo.dw.code, sas_loginfo.dw.subcode);
7095 }
7096
7097 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7098 /**
7099  *      mpt_iocstatus_info_config - IOCSTATUS information for config pages
7100  *      @ioc: Pointer to MPT_ADAPTER structure
7101  *      @ioc_status: U32 IOCStatus word from IOC
7102  *      @mf: Pointer to MPT request frame
7103  *
7104  *      Refer to lsi/mpi.h.
7105  **/
7106 static void
7107 mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
7108 {
7109         Config_t *pReq = (Config_t *)mf;
7110         char extend_desc[EVENT_DESCR_STR_SZ];
7111         char *desc = NULL;
7112         u32 form;
7113         u8 page_type;
7114
7115         if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
7116                 page_type = pReq->ExtPageType;
7117         else
7118                 page_type = pReq->Header.PageType;
7119
7120         /*
7121          * ignore invalid page messages for GET_NEXT_HANDLE
7122          */
7123         form = le32_to_cpu(pReq->PageAddress);
7124         if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
7125                 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
7126                     page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
7127                     page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
7128                         if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
7129                                 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
7130                                 return;
7131                 }
7132                 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
7133                         if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
7134                                 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
7135                                 return;
7136         }
7137
7138         snprintf(extend_desc, EVENT_DESCR_STR_SZ,
7139             "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
7140             page_type, pReq->Header.PageNumber, pReq->Action, form);
7141
7142         switch (ioc_status) {
7143
7144         case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
7145                 desc = "Config Page Invalid Action";
7146                 break;
7147
7148         case MPI_IOCSTATUS_CONFIG_INVALID_TYPE:   /* 0x0021 */
7149                 desc = "Config Page Invalid Type";
7150                 break;
7151
7152         case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:   /* 0x0022 */
7153                 desc = "Config Page Invalid Page";
7154                 break;
7155
7156         case MPI_IOCSTATUS_CONFIG_INVALID_DATA:   /* 0x0023 */
7157                 desc = "Config Page Invalid Data";
7158                 break;
7159
7160         case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS:    /* 0x0024 */
7161                 desc = "Config Page No Defaults";
7162                 break;
7163
7164         case MPI_IOCSTATUS_CONFIG_CANT_COMMIT:    /* 0x0025 */
7165                 desc = "Config Page Can't Commit";
7166                 break;
7167         }
7168
7169         if (!desc)
7170                 return;
7171
7172         dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
7173             ioc->name, ioc_status, desc, extend_desc));
7174 }
7175
7176 /**
7177  *      mpt_iocstatus_info - IOCSTATUS information returned from IOC.
7178  *      @ioc: Pointer to MPT_ADAPTER structure
7179  *      @ioc_status: U32 IOCStatus word from IOC
7180  *      @mf: Pointer to MPT request frame
7181  *
7182  *      Refer to lsi/mpi.h.
7183  **/
7184 static void
7185 mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
7186 {
7187         u32 status = ioc_status & MPI_IOCSTATUS_MASK;
7188         char *desc = NULL;
7189
7190         switch (status) {
7191
7192 /****************************************************************************/
7193 /*  Common IOCStatus values for all replies                                 */
7194 /****************************************************************************/
7195
7196         case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
7197                 desc = "Invalid Function";
7198                 break;
7199
7200         case MPI_IOCSTATUS_BUSY: /* 0x0002 */
7201                 desc = "Busy";
7202                 break;
7203
7204         case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
7205                 desc = "Invalid SGL";
7206                 break;
7207
7208         case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
7209                 desc = "Internal Error";
7210                 break;
7211
7212         case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
7213                 desc = "Reserved";
7214                 break;
7215
7216         case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
7217                 desc = "Insufficient Resources";
7218                 break;
7219
7220         case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
7221                 desc = "Invalid Field";
7222                 break;
7223
7224         case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
7225                 desc = "Invalid State";
7226                 break;
7227
7228 /****************************************************************************/
7229 /*  Config IOCStatus values                                                 */
7230 /****************************************************************************/
7231
7232         case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
7233         case MPI_IOCSTATUS_CONFIG_INVALID_TYPE:   /* 0x0021 */
7234         case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:   /* 0x0022 */
7235         case MPI_IOCSTATUS_CONFIG_INVALID_DATA:   /* 0x0023 */
7236         case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS:    /* 0x0024 */
7237         case MPI_IOCSTATUS_CONFIG_CANT_COMMIT:    /* 0x0025 */
7238                 mpt_iocstatus_info_config(ioc, status, mf);
7239                 break;
7240
7241 /****************************************************************************/
7242 /*  SCSIIO Reply (SPI, FCP, SAS) initiator values                           */
7243 /*                                                                          */
7244 /*  Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
7245 /*                                                                          */
7246 /****************************************************************************/
7247
7248         case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
7249         case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
7250         case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
7251         case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
7252         case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
7253         case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
7254         case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
7255         case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
7256         case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
7257         case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
7258         case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
7259         case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
7260         case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
7261                 break;
7262
7263 /****************************************************************************/
7264 /*  SCSI Target values                                                      */
7265 /****************************************************************************/
7266
7267         case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
7268                 desc = "Target: Priority IO";
7269                 break;
7270
7271         case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
7272                 desc = "Target: Invalid Port";
7273                 break;
7274
7275         case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
7276                 desc = "Target Invalid IO Index:";
7277                 break;
7278
7279         case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
7280                 desc = "Target: Aborted";
7281                 break;
7282
7283         case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
7284                 desc = "Target: No Conn Retryable";
7285                 break;
7286
7287         case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
7288                 desc = "Target: No Connection";
7289                 break;
7290
7291         case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
7292                 desc = "Target: Transfer Count Mismatch";
7293                 break;
7294
7295         case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
7296                 desc = "Target: STS Data not Sent";
7297                 break;
7298
7299         case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
7300                 desc = "Target: Data Offset Error";
7301                 break;
7302
7303         case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
7304                 desc = "Target: Too Much Write Data";
7305                 break;
7306
7307         case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
7308                 desc = "Target: IU Too Short";
7309                 break;
7310
7311         case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
7312                 desc = "Target: ACK NAK Timeout";
7313                 break;
7314
7315         case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
7316                 desc = "Target: Nak Received";
7317                 break;
7318
7319 /****************************************************************************/
7320 /*  Fibre Channel Direct Access values                                      */
7321 /****************************************************************************/
7322
7323         case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
7324                 desc = "FC: Aborted";
7325                 break;
7326
7327         case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
7328                 desc = "FC: RX ID Invalid";
7329                 break;
7330
7331         case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
7332                 desc = "FC: DID Invalid";
7333                 break;
7334
7335         case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
7336                 desc = "FC: Node Logged Out";
7337                 break;
7338
7339         case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
7340                 desc = "FC: Exchange Canceled";
7341                 break;
7342
7343 /****************************************************************************/
7344 /*  LAN values                                                              */
7345 /****************************************************************************/
7346
7347         case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
7348                 desc = "LAN: Device not Found";
7349                 break;
7350
7351         case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
7352                 desc = "LAN: Device Failure";
7353                 break;
7354
7355         case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
7356                 desc = "LAN: Transmit Error";
7357                 break;
7358
7359         case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
7360                 desc = "LAN: Transmit Aborted";
7361                 break;
7362
7363         case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
7364                 desc = "LAN: Receive Error";
7365                 break;
7366
7367         case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
7368                 desc = "LAN: Receive Aborted";
7369                 break;
7370
7371         case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
7372                 desc = "LAN: Partial Packet";
7373                 break;
7374
7375         case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
7376                 desc = "LAN: Canceled";
7377                 break;
7378
7379 /****************************************************************************/
7380 /*  Serial Attached SCSI values                                             */
7381 /****************************************************************************/
7382
7383         case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
7384                 desc = "SAS: SMP Request Failed";
7385                 break;
7386
7387         case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
7388                 desc = "SAS: SMP Data Overrun";
7389                 break;
7390
7391         default:
7392                 desc = "Others";
7393                 break;
7394         }
7395
7396         if (!desc)
7397                 return;
7398
7399         dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
7400             ioc->name, status, desc));
7401 }
7402
7403 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7404 EXPORT_SYMBOL(mpt_attach);
7405 EXPORT_SYMBOL(mpt_detach);
7406 #ifdef CONFIG_PM
7407 EXPORT_SYMBOL(mpt_resume);
7408 EXPORT_SYMBOL(mpt_suspend);
7409 #endif
7410 EXPORT_SYMBOL(ioc_list);
7411 EXPORT_SYMBOL(mpt_proc_root_dir);
7412 EXPORT_SYMBOL(mpt_register);
7413 EXPORT_SYMBOL(mpt_deregister);
7414 EXPORT_SYMBOL(mpt_event_register);
7415 EXPORT_SYMBOL(mpt_event_deregister);
7416 EXPORT_SYMBOL(mpt_reset_register);
7417 EXPORT_SYMBOL(mpt_reset_deregister);
7418 EXPORT_SYMBOL(mpt_device_driver_register);
7419 EXPORT_SYMBOL(mpt_device_driver_deregister);
7420 EXPORT_SYMBOL(mpt_get_msg_frame);
7421 EXPORT_SYMBOL(mpt_put_msg_frame);
7422 EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
7423 EXPORT_SYMBOL(mpt_free_msg_frame);
7424 EXPORT_SYMBOL(mpt_add_sge);
7425 EXPORT_SYMBOL(mpt_send_handshake_request);
7426 EXPORT_SYMBOL(mpt_verify_adapter);
7427 EXPORT_SYMBOL(mpt_GetIocState);
7428 EXPORT_SYMBOL(mpt_print_ioc_summary);
7429 EXPORT_SYMBOL(mpt_HardResetHandler);
7430 EXPORT_SYMBOL(mpt_config);
7431 EXPORT_SYMBOL(mpt_findImVolumes);
7432 EXPORT_SYMBOL(mpt_alloc_fw_memory);
7433 EXPORT_SYMBOL(mpt_free_fw_memory);
7434 EXPORT_SYMBOL(mptbase_sas_persist_operation);
7435 EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
7436
7437 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7438 /**
7439  *      fusion_init - Fusion MPT base driver initialization routine.
7440  *
7441  *      Returns 0 for success, non-zero for failure.
7442  */
7443 static int __init
7444 fusion_init(void)
7445 {
7446         u8 cb_idx;
7447
7448         show_mptmod_ver(my_NAME, my_VERSION);
7449         printk(KERN_INFO COPYRIGHT "\n");
7450
7451         for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
7452                 MptCallbacks[cb_idx] = NULL;
7453                 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
7454                 MptEvHandlers[cb_idx] = NULL;
7455                 MptResetHandlers[cb_idx] = NULL;
7456         }
7457
7458         /*  Register ourselves (mptbase) in order to facilitate
7459          *  EventNotification handling.
7460          */
7461         mpt_base_index = mpt_register(mpt_base_reply, MPTBASE_DRIVER);
7462
7463         /* Register for hard reset handling callbacks.
7464          */
7465         mpt_reset_register(mpt_base_index, mpt_ioc_reset);
7466
7467 #ifdef CONFIG_PROC_FS
7468         (void) procmpt_create();
7469 #endif
7470         return 0;
7471 }
7472
7473 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7474 /**
7475  *      fusion_exit - Perform driver unload cleanup.
7476  *
7477  *      This routine frees all resources associated with each MPT adapter
7478  *      and removes all %MPT_PROCFS_MPTBASEDIR entries.
7479  */
7480 static void __exit
7481 fusion_exit(void)
7482 {
7483
7484         mpt_reset_deregister(mpt_base_index);
7485
7486 #ifdef CONFIG_PROC_FS
7487         procmpt_destroy();
7488 #endif
7489 }
7490
7491 module_init(fusion_init);
7492 module_exit(fusion_exit);