Merge branch 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6...
[sfrench/cifs-2.6.git] / drivers / scsi / be2iscsi / be_cmds.h
1 /**
2  * Copyright (C) 2005 - 2014 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17
18 #ifndef BEISCSI_CMDS_H
19 #define BEISCSI_CMDS_H
20
21 /**
22  * The driver sends configuration and managements command requests to the
23  * firmware in the BE. These requests are communicated to the processor
24  * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
25  * WRB inside a MAILBOX.
26  * The commands are serviced by the ARM processor in the OneConnect's MPU.
27  */
28 struct be_sge {
29         __le32 pa_lo;
30         __le32 pa_hi;
31         __le32 len;
32 };
33
34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
35 #define MCC_WRB_SGE_CNT_MASK 0x1F       /* bits 3 - 7 of dword 0 */
36 struct be_mcc_wrb {
37         u32 embedded;           /* dword 0 */
38         u32 payload_length;     /* dword 1 */
39         u32 tag0;               /* dword 2 */
40         u32 tag1;               /* dword 3 */
41         u32 rsvd;               /* dword 4 */
42         union {
43 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
44                 u8 embedded_payload[236];       /* used by embedded cmds */
45                 struct be_sge sgl[19];  /* used by non-embedded cmds */
46         } payload;
47 };
48
49 #define CQE_FLAGS_VALID_MASK (1 << 31)
50 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
51 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
52 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
53
54 /* Completion Status */
55 #define MCC_STATUS_SUCCESS 0x0
56 #define MCC_STATUS_FAILED 0x1
57 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
58 #define MCC_STATUS_ILLEGAL_FIELD 0x3
59 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
60
61 #define CQE_STATUS_COMPL_MASK 0xFFFF
62 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
63 #define CQE_STATUS_EXTD_MASK 0xFFFF
64 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
65 #define CQE_STATUS_ADDL_MASK    0xFF00
66 #define CQE_STATUS_MASK 0xFF
67 #define CQE_STATUS_ADDL_SHIFT   0x08
68 #define CQE_STATUS_WRB_MASK     0xFF0000
69 #define CQE_STATUS_WRB_SHIFT    16
70 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
71 #define BEISCSI_FW_MBX_TIMEOUT  100
72
73 /* MBOX Command VER */
74 #define MBX_CMD_VER1    0x01
75 #define MBX_CMD_VER2    0x02
76
77 struct be_mcc_compl {
78         u32 status;             /* dword 0 */
79         u32 tag0;               /* dword 1 */
80         u32 tag1;               /* dword 2 */
81         u32 flags;              /* dword 3 */
82 };
83
84 /********* Mailbox door bell *************/
85 /**
86  * Used for driver communication with the FW.
87  * The software must write this register twice to post any command. First,
88  * it writes the register with hi=1 and the upper bits of the physical address
89  * for the MAILBOX structure. Software must poll the ready bit until this
90  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
91  * bits in the address. It must poll the ready bit until the command is
92  * complete. Upon completion, the MAILBOX will contain a valid completion
93  * queue entry.
94  */
95 #define MPU_MAILBOX_DB_OFFSET   0x160
96 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
97 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
98
99 /********** MPU semphore ******************/
100 #define MPU_EP_SEMAPHORE_OFFSET 0xac
101 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
102 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
103 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
104
105 /********** MCC door bell ************/
106 #define DB_MCCQ_OFFSET 0x140
107 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
108 /* Number of entries posted */
109 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
110
111 /* MPU semphore POST stage values */
112 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
113
114 /**
115  * When the async bit of mcc_compl is set, the last 4 bytes of
116  * mcc_compl is interpreted as follows:
117  */
118 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
119 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
120 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
121 #define ASYNC_EVENT_CODE_ISCSI          0x4
122
123 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
124 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xF
125 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
126 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
127 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
128
129 struct be_async_event_trailer {
130         u32 code;
131 };
132
133 enum {
134         ASYNC_EVENT_LINK_DOWN = 0x0,
135         ASYNC_EVENT_LINK_UP = 0x1,
136         ASYNC_EVENT_LOGICAL = 0x2
137 };
138
139 /**
140  * When the event code of an async trailer is link-state, the mcc_compl
141  * must be interpreted as follows
142  */
143 struct be_async_event_link_state {
144         u8 physical_port;
145         u8 port_link_status;
146         u8 port_duplex;
147         u8 port_speed;
148 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
149 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
150 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
151         u8 port_fault;
152         u8 rsvd0[7];
153         struct be_async_event_trailer trailer;
154 } __packed;
155
156 struct be_mcc_mailbox {
157         struct be_mcc_wrb wrb;
158         struct be_mcc_compl compl;
159 };
160
161 /* Type of subsystems supported by FW */
162 #define CMD_SUBSYSTEM_COMMON    0x1
163 #define CMD_SUBSYSTEM_ISCSI     0x2
164 #define CMD_SUBSYSTEM_ETH       0x3
165 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
166 #define CMD_COMMON_TCP_UPLOAD   0x1
167
168 /**
169  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
170  * These opcodes are unique for each subsystem defined above
171  */
172 #define OPCODE_COMMON_CQ_CREATE                         12
173 #define OPCODE_COMMON_EQ_CREATE                         13
174 #define OPCODE_COMMON_MCC_CREATE                        21
175 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
176 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
177 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
178 #define OPCODE_COMMON_GET_FW_VERSION                    35
179 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
180 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
181 #define OPCODE_COMMON_MCC_DESTROY                       53
182 #define OPCODE_COMMON_CQ_DESTROY                        54
183 #define OPCODE_COMMON_EQ_DESTROY                        55
184 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
185 #define OPCODE_COMMON_FUNCTION_RESET                    61
186
187 /**
188  * LIST of opcodes that are common between Initiator and Target
189  * used by CMD_SUBSYSTEM_ISCSI
190  * These opcodes are unique for each subsystem defined above
191  */
192 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
193 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
194 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
195 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
196 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
197 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
198 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
199 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
200 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
201 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
202 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
203 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
204 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
205 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
206 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
207 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
208
209 struct be_cmd_req_hdr {
210         u8 opcode;              /* dword 0 */
211         u8 subsystem;           /* dword 0 */
212         u8 port_number;         /* dword 0 */
213         u8 domain;              /* dword 0 */
214         u32 timeout;            /* dword 1 */
215         u32 request_length;     /* dword 2 */
216         u8 version;             /* dword 3 */
217         u8 rsvd0[3];            /* dword 3 */
218 };
219
220 struct be_cmd_resp_hdr {
221         u32 info;               /* dword 0 */
222         u32 status;             /* dword 1 */
223         u32 response_length;    /* dword 2 */
224         u32 actual_resp_len;    /* dword 3 */
225 };
226
227 struct phys_addr {
228         u32 lo;
229         u32 hi;
230 };
231
232 struct virt_addr {
233         u32 lo;
234         u32 hi;
235 };
236 /**************************
237  * BE Command definitions *
238  **************************/
239
240 /**
241  * Pseudo amap definition in which each bit of the actual structure is defined
242  * as a byte - used to calculate offset/shift/mask of each field
243  */
244 struct amap_eq_context {
245         u8 cidx[13];            /* dword 0 */
246         u8 rsvd0[3];            /* dword 0 */
247         u8 epidx[13];           /* dword 0 */
248         u8 valid;               /* dword 0 */
249         u8 rsvd1;               /* dword 0 */
250         u8 size;                /* dword 0 */
251         u8 pidx[13];            /* dword 1 */
252         u8 rsvd2[3];            /* dword 1 */
253         u8 pd[10];              /* dword 1 */
254         u8 count[3];            /* dword 1 */
255         u8 solevent;            /* dword 1 */
256         u8 stalled;             /* dword 1 */
257         u8 armed;               /* dword 1 */
258         u8 rsvd3[4];            /* dword 2 */
259         u8 func[8];             /* dword 2 */
260         u8 rsvd4;               /* dword 2 */
261         u8 delaymult[10];       /* dword 2 */
262         u8 rsvd5[2];            /* dword 2 */
263         u8 phase[2];            /* dword 2 */
264         u8 nodelay;             /* dword 2 */
265         u8 rsvd6[4];            /* dword 2 */
266         u8 rsvd7[32];           /* dword 3 */
267 } __packed;
268
269 struct be_cmd_req_eq_create {
270         struct be_cmd_req_hdr hdr;      /* dw[4] */
271         u16 num_pages;          /* sword */
272         u16 rsvd0;              /* sword */
273         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
274         struct phys_addr pages[8];
275 } __packed;
276
277 struct be_cmd_resp_eq_create {
278         struct be_cmd_resp_hdr resp_hdr;
279         u16 eq_id;              /* sword */
280         u16 rsvd0;              /* sword */
281 } __packed;
282
283 struct be_set_eqd {
284         u32 eq_id;
285         u32 phase;
286         u32 delay_multiplier;
287 } __packed;
288
289 struct mgmt_chap_format {
290         u32 flags;
291         u8  intr_chap_name[256];
292         u8  intr_secret[16];
293         u8  target_chap_name[256];
294         u8  target_secret[16];
295         u16 intr_chap_name_length;
296         u16 intr_secret_length;
297         u16 target_chap_name_length;
298         u16 target_secret_length;
299 } __packed;
300
301 struct mgmt_auth_method_format {
302         u8      auth_method_type;
303         u8      padding[3];
304         struct  mgmt_chap_format chap;
305 } __packed;
306
307 struct mgmt_conn_login_options {
308         u8 flags;
309         u8 header_digest;
310         u8 data_digest;
311         u8 rsvd0;
312         u32 max_recv_datasegment_len_ini;
313         u32 max_recv_datasegment_len_tgt;
314         u32 tcp_mss;
315         u32 tcp_window_size;
316         struct  mgmt_auth_method_format auth_data;
317 } __packed;
318
319 struct ip_addr_format {
320         u16 size_of_structure;
321         u8 reserved;
322         u8 ip_type;
323         u8 addr[16];
324         u32 rsvd0;
325 } __packed;
326
327 struct mgmt_conn_info {
328         u32     connection_handle;
329         u32     connection_status;
330         u16     src_port;
331         u16     dest_port;
332         u16     dest_port_redirected;
333         u16     cid;
334         u32     estimated_throughput;
335         struct  ip_addr_format  src_ipaddr;
336         struct  ip_addr_format  dest_ipaddr;
337         struct  ip_addr_format  dest_ipaddr_redirected;
338         struct  mgmt_conn_login_options negotiated_login_options;
339 } __packed;
340
341 struct mgmt_session_login_options {
342         u8      flags;
343         u8      error_recovery_level;
344         u16     rsvd0;
345         u32     first_burst_length;
346         u32     max_burst_length;
347         u16     max_connections;
348         u16     max_outstanding_r2t;
349         u16     default_time2wait;
350         u16     default_time2retain;
351 } __packed;
352
353 struct mgmt_session_info {
354         u32     session_handle;
355         u32     status;
356         u8      isid[6];
357         u16     tsih;
358         u32     session_flags;
359         u16     conn_count;
360         u16     pad;
361         u8      target_name[224];
362         u8      initiator_iscsiname[224];
363         struct  mgmt_session_login_options negotiated_login_options;
364         struct  mgmt_conn_info  conn_list[1];
365 } __packed;
366
367 struct be_cmd_get_session_req {
368         struct be_cmd_req_hdr hdr;
369         u32 session_handle;
370 } __packed;
371
372 struct be_cmd_get_session_resp {
373         struct be_cmd_resp_hdr hdr;
374         struct mgmt_session_info session_info;
375 } __packed;
376
377 struct mac_addr {
378         u16 size_of_structure;
379         u8 addr[ETH_ALEN];
380 } __packed;
381
382 struct be_cmd_get_boot_target_req {
383         struct be_cmd_req_hdr hdr;
384 } __packed;
385
386 struct be_cmd_get_boot_target_resp {
387         struct be_cmd_resp_hdr hdr;
388         u32  boot_session_count;
389         int  boot_session_handle;
390 };
391
392 struct be_cmd_reopen_session_req {
393         struct be_cmd_req_hdr hdr;
394 #define BE_REOPEN_ALL_SESSIONS  0x00
395 #define BE_REOPEN_BOOT_SESSIONS 0x01
396 #define BE_REOPEN_A_SESSION     0x02
397         u16 reopen_type;
398         u16 rsvd;
399         u32 session_handle;
400 } __packed;
401
402 struct be_cmd_reopen_session_resp {
403         struct be_cmd_resp_hdr hdr;
404         u32 rsvd;
405         u32 session_handle;
406 } __packed;
407
408
409 struct be_cmd_mac_query_req {
410         struct be_cmd_req_hdr hdr;
411         u8 type;
412         u8 permanent;
413         u16 if_id;
414 } __packed;
415
416 struct be_cmd_get_mac_resp {
417         struct be_cmd_resp_hdr hdr;
418         struct mac_addr mac;
419 };
420
421 struct be_ip_addr_subnet_format {
422         u16 size_of_structure;
423         u8 ip_type;
424         u8 ipv6_prefix_length;
425         u8 addr[16];
426         u8 subnet_mask[16];
427         u32 rsvd0;
428 } __packed;
429
430 struct be_cmd_get_if_info_req {
431         struct be_cmd_req_hdr hdr;
432         u32 interface_hndl;
433         u32 ip_type;
434 } __packed;
435
436 struct be_cmd_get_if_info_resp {
437         struct be_cmd_req_hdr hdr;
438         u32 interface_hndl;
439         u32 vlan_priority;
440         u32 ip_addr_count;
441         u32 dhcp_state;
442         struct be_ip_addr_subnet_format ip_addr;
443 } __packed;
444
445 struct be_ip_addr_record {
446         u32 action;
447         u32 interface_hndl;
448         struct be_ip_addr_subnet_format ip_addr;
449         u32 status;
450 } __packed;
451
452 struct be_ip_addr_record_params {
453         u32 record_entry_count;
454         struct be_ip_addr_record ip_record;
455 } __packed;
456
457 struct be_cmd_set_ip_addr_req {
458         struct be_cmd_req_hdr hdr;
459         struct be_ip_addr_record_params ip_params;
460 } __packed;
461
462
463 struct be_cmd_set_dhcp_req {
464         struct be_cmd_req_hdr hdr;
465         u32 interface_hndl;
466         u32 ip_type;
467         u32 flags;
468         u32 retry_count;
469 } __packed;
470
471 struct be_cmd_rel_dhcp_req {
472         struct be_cmd_req_hdr hdr;
473         u32 interface_hndl;
474         u32 ip_type;
475 } __packed;
476
477 struct be_cmd_set_def_gateway_req {
478         struct be_cmd_req_hdr hdr;
479         u32 action;
480         struct ip_addr_format ip_addr;
481 } __packed;
482
483 struct be_cmd_get_def_gateway_req {
484         struct be_cmd_req_hdr hdr;
485         u32 ip_type;
486 } __packed;
487
488 struct be_cmd_get_def_gateway_resp {
489         struct be_cmd_req_hdr hdr;
490         struct ip_addr_format ip_addr;
491 } __packed;
492
493 #define BEISCSI_VLAN_DISABLE    0xFFFF
494 struct be_cmd_set_vlan_req {
495         struct be_cmd_req_hdr hdr;
496         u32 interface_hndl;
497         u32 vlan_priority;
498 } __packed;
499 /******************** Create CQ ***************************/
500 /**
501  * Pseudo amap definition in which each bit of the actual structure is defined
502  * as a byte - used to calculate offset/shift/mask of each field
503  */
504 struct amap_cq_context {
505         u8 cidx[11];            /* dword 0 */
506         u8 rsvd0;               /* dword 0 */
507         u8 coalescwm[2];        /* dword 0 */
508         u8 nodelay;             /* dword 0 */
509         u8 epidx[11];           /* dword 0 */
510         u8 rsvd1;               /* dword 0 */
511         u8 count[2];            /* dword 0 */
512         u8 valid;               /* dword 0 */
513         u8 solevent;            /* dword 0 */
514         u8 eventable;           /* dword 0 */
515         u8 pidx[11];            /* dword 1 */
516         u8 rsvd2;               /* dword 1 */
517         u8 pd[10];              /* dword 1 */
518         u8 eqid[8];             /* dword 1 */
519         u8 stalled;             /* dword 1 */
520         u8 armed;               /* dword 1 */
521         u8 rsvd3[4];            /* dword 2 */
522         u8 func[8];             /* dword 2 */
523         u8 rsvd4[20];           /* dword 2 */
524         u8 rsvd5[32];           /* dword 3 */
525 } __packed;
526
527 struct amap_cq_context_v2 {
528         u8 rsvd0[12];   /* dword 0 */
529         u8 coalescwm[2];    /* dword 0 */
530         u8 nodelay;     /* dword 0 */
531         u8 rsvd1[12];   /* dword 0 */
532         u8 count[2];    /* dword 0 */
533         u8 valid;       /* dword 0 */
534         u8 rsvd2;       /* dword 0 */
535         u8 eventable;   /* dword 0 */
536         u8 eqid[16];    /* dword 1 */
537         u8 rsvd3[15];   /* dword 1 */
538         u8 armed;       /* dword 1 */
539         u8 cqecount[16];/* dword 2 */
540         u8 rsvd4[16];   /* dword 2 */
541         u8 rsvd5[32];   /* dword 3 */
542 };
543
544 struct be_cmd_req_cq_create {
545         struct be_cmd_req_hdr hdr;
546         u16 num_pages;
547         u8 page_size;
548         u8 rsvd0;
549         u8 context[sizeof(struct amap_cq_context) / 8];
550         struct phys_addr pages[4];
551 } __packed;
552
553 struct be_cmd_resp_cq_create {
554         struct be_cmd_resp_hdr hdr;
555         u16 cq_id;
556         u16 rsvd0;
557 } __packed;
558
559 /******************** Create MCCQ ***************************/
560 /**
561  * Pseudo amap definition in which each bit of the actual structure is defined
562  * as a byte - used to calculate offset/shift/mask of each field
563  */
564 struct amap_mcc_context {
565         u8 con_index[14];
566         u8 rsvd0[2];
567         u8 ring_size[4];
568         u8 fetch_wrb;
569         u8 fetch_r2t;
570         u8 cq_id[10];
571         u8 prod_index[14];
572         u8 fid[8];
573         u8 pdid[9];
574         u8 valid;
575         u8 rsvd1[32];
576         u8 rsvd2[32];
577 } __packed;
578
579 struct be_cmd_req_mcc_create {
580         struct be_cmd_req_hdr hdr;
581         u16 num_pages;
582         u16 rsvd0;
583         u8 context[sizeof(struct amap_mcc_context) / 8];
584         struct phys_addr pages[8];
585 } __packed;
586
587 struct be_cmd_resp_mcc_create {
588         struct be_cmd_resp_hdr hdr;
589         u16 id;
590         u16 rsvd0;
591 } __packed;
592
593 /******************** Q Destroy  ***************************/
594 /* Type of Queue to be destroyed */
595 enum {
596         QTYPE_EQ = 1,
597         QTYPE_CQ,
598         QTYPE_MCCQ,
599         QTYPE_WRBQ,
600         QTYPE_DPDUQ,
601         QTYPE_SGL
602 };
603
604 struct be_cmd_req_q_destroy {
605         struct be_cmd_req_hdr hdr;
606         u16 id;
607         u16 bypass_flush;       /* valid only for rx q destroy */
608 } __packed;
609
610 struct macaddr {
611         u8 byte[ETH_ALEN];
612 };
613
614 struct be_cmd_req_mcast_mac_config {
615         struct be_cmd_req_hdr hdr;
616         u16 num_mac;
617         u8 promiscuous;
618         u8 interface_id;
619         struct macaddr mac[32];
620 } __packed;
621
622 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
623 {
624         return wrb->payload.embedded_payload;
625 }
626
627 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
628 {
629         return &wrb->payload.sgl[0];
630 }
631
632 /******************** Modify EQ Delay *******************/
633 struct be_cmd_req_modify_eq_delay {
634         struct be_cmd_req_hdr hdr;
635         __le32 num_eq;
636         struct {
637                 __le32 eq_id;
638                 __le32 phase;
639                 __le32 delay_multiplier;
640         } delay[MAX_CPUS];
641 } __packed;
642
643 /******************** Get MAC ADDR *******************/
644
645 #define ETH_ALEN        6
646
647 struct be_cmd_get_nic_conf_req {
648         struct be_cmd_req_hdr hdr;
649         u32 nic_port_count;
650         u32 speed;
651         u32 max_speed;
652         u32 link_state;
653         u32 max_frame_size;
654         u16 size_of_structure;
655         u8 mac_address[ETH_ALEN];
656         u32 rsvd[23];
657 };
658
659 struct be_cmd_get_nic_conf_resp {
660         struct be_cmd_resp_hdr hdr;
661         u32 nic_port_count;
662         u32 speed;
663         u32 max_speed;
664         u32 link_state;
665         u32 max_frame_size;
666         u16 size_of_structure;
667         u8 mac_address[6];
668         u32 rsvd[23];
669 };
670
671 #define BEISCSI_ALIAS_LEN 32
672
673 struct be_cmd_hba_name {
674         struct be_cmd_req_hdr hdr;
675         u16 flags;
676         u16 rsvd0;
677         u8 initiator_name[ISCSI_NAME_LEN];
678         u8 initiator_alias[BEISCSI_ALIAS_LEN];
679 } __packed;
680
681 struct be_cmd_ntwk_link_status_req {
682         struct be_cmd_req_hdr hdr;
683         u32 rsvd0;
684 } __packed;
685
686 /*** Port Speed Values ***/
687 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
688 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
689 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
690 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
691 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
692 struct be_cmd_ntwk_link_status_resp {
693         struct be_cmd_resp_hdr hdr;
694         u8 phys_port;
695         u8 mac_duplex;
696         u8 mac_speed;
697         u8 mac_fault;
698         u8 mgmt_mac_duplex;
699         u8 mgmt_mac_speed;
700         u16 qos_link_speed;
701         u32 logical_link_speed;
702 } __packed;
703
704 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
705                           struct be_queue_info *eq, int eq_delay);
706
707 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
708                           struct be_queue_info *cq, struct be_queue_info *eq,
709                           bool sol_evts, bool no_delay,
710                           int num_cqe_dma_coalesce);
711
712 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
713                           int type);
714 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
715                         struct be_queue_info *mccq,
716                         struct be_queue_info *cq);
717
718 int be_poll_mcc(struct be_ctrl_info *ctrl);
719 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
720                                       struct beiscsi_hba *phba);
721 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
722 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
723
724 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
725
726 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
727                             int num);
728 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
729                         uint32_t tag, struct be_mcc_wrb **wrb,
730                         struct be_dma_mem *mbx_cmd_mem);
731 /*ISCSI Functuions */
732 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
733 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
734
735 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
736 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
737 int be_mcc_notify_wait(struct beiscsi_hba *phba);
738 void be_mcc_notify(struct beiscsi_hba *phba);
739 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
740 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
741                 struct be_async_event_link_state *evt);
742 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
743                                     struct be_mcc_compl *compl);
744
745 int be_mbox_notify(struct be_ctrl_info *ctrl);
746
747 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
748                                     struct be_queue_info *cq,
749                                     struct be_queue_info *dq, int length,
750                                     int entry_size, uint8_t is_header,
751                                     uint8_t ulp_num);
752
753 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
754                                     struct be_dma_mem *q_mem);
755
756 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
757
758 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
759                                 struct be_dma_mem *q_mem, u32 page_offset,
760                                 u32 num_pages);
761
762 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
763
764 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
765                        struct be_queue_info *wrbq,
766                        struct hwi_wrb_context *pwrb_context,
767                        uint8_t ulp_num);
768
769 bool is_link_state_evt(u32 trailer);
770
771 /* Configuration Functions */
772 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
773
774 struct be_default_pdu_context {
775         u32 dw[4];
776 } __packed;
777
778 struct amap_be_default_pdu_context {
779         u8 dbuf_cindex[13];     /* dword 0 */
780         u8 rsvd0[3];            /* dword 0 */
781         u8 ring_size[4];        /* dword 0 */
782         u8 ring_state[4];       /* dword 0 */
783         u8 rsvd1[8];            /* dword 0 */
784         u8 dbuf_pindex[13];     /* dword 1 */
785         u8 rsvd2;               /* dword 1 */
786         u8 pci_func_id[8];      /* dword 1 */
787         u8 rx_pdid[9];          /* dword 1 */
788         u8 rx_pdid_valid;       /* dword 1 */
789         u8 default_buffer_size[16];     /* dword 2 */
790         u8 cq_id_recv[10];      /* dword 2 */
791         u8 rx_pdid_not_valid;   /* dword 2 */
792         u8 rsvd3[5];            /* dword 2 */
793         u8 rsvd4[32];           /* dword 3 */
794 } __packed;
795
796 struct amap_default_pdu_context_ext {
797         u8 rsvd0[16];   /* dword 0 */
798         u8 ring_size[4];    /* dword 0 */
799         u8 rsvd1[12];   /* dword 0 */
800         u8 rsvd2[22];   /* dword 1 */
801         u8 rx_pdid[9];  /* dword 1 */
802         u8 rx_pdid_valid;   /* dword 1 */
803         u8 default_buffer_size[16]; /* dword 2 */
804         u8 cq_id_recv[16];  /* dword 2 */
805         u8 rsvd3[32];   /* dword 3 */
806 } __packed;
807
808 struct be_defq_create_req {
809         struct be_cmd_req_hdr hdr;
810         u16 num_pages;
811         u8 ulp_num;
812 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
813 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
814         u8 dua_feature;
815         struct be_default_pdu_context context;
816         struct phys_addr pages[8];
817 } __packed;
818
819 struct be_defq_create_resp {
820         struct be_cmd_req_hdr hdr;
821         u16 id;
822         u8 rsvd0;
823         u8 ulp_num;
824         u32 doorbell_offset;
825         u16 register_set;
826         u16 doorbell_format;
827 } __packed;
828
829 struct be_post_template_pages_req {
830         struct be_cmd_req_hdr hdr;
831         u16 num_pages;
832 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
833         u16 type;
834         struct phys_addr scratch_pa;
835         struct virt_addr scratch_va;
836         struct virt_addr pages_va;
837         struct phys_addr pages[16];
838 } __packed;
839
840 struct be_remove_template_pages_req {
841         struct be_cmd_req_hdr hdr;
842         u16 type;
843         u16 rsvd0;
844 } __packed;
845
846 struct be_post_sgl_pages_req {
847         struct be_cmd_req_hdr hdr;
848         u16 num_pages;
849         u16 page_offset;
850         u32 rsvd0;
851         struct phys_addr pages[26];
852         u32 rsvd1;
853 } __packed;
854
855 struct be_wrbq_create_req {
856         struct be_cmd_req_hdr hdr;
857         u16 num_pages;
858         u8 ulp_num;
859         u8 dua_feature;
860         struct phys_addr pages[8];
861 } __packed;
862
863 struct be_wrbq_create_resp {
864         struct be_cmd_resp_hdr resp_hdr;
865         u16 cid;
866         u8 rsvd0;
867         u8 ulp_num;
868         u32 doorbell_offset;
869         u16 register_set;
870         u16 doorbell_format;
871 } __packed;
872
873 #define SOL_CID_MASK            0x0000FFC0
874 #define SOL_CODE_MASK           0x0000003F
875 #define SOL_WRB_INDEX_MASK      0x00FF0000
876 #define SOL_CMD_WND_MASK        0xFF000000
877 #define SOL_RES_CNT_MASK        0x7FFFFFFF
878 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
879 #define SOL_HW_STS_MASK         0x000000FF
880 #define SOL_STS_MASK            0x0000FF00
881 #define SOL_RESP_MASK           0x00FF0000
882 #define SOL_FLAGS_MASK          0x7F000000
883 #define SOL_S_MASK              0x80000000
884
885 struct sol_cqe {
886         u32 dw[4];
887 };
888
889 struct amap_sol_cqe {
890         u8 hw_sts[8];           /* dword 0 */
891         u8 i_sts[8];            /* dword 0 */
892         u8 i_resp[8];           /* dword 0 */
893         u8 i_flags[7];          /* dword 0 */
894         u8 s;                   /* dword 0 */
895         u8 i_exp_cmd_sn[32];    /* dword 1 */
896         u8 code[6];             /* dword 2 */
897         u8 cid[10];             /* dword 2 */
898         u8 wrb_index[8];        /* dword 2 */
899         u8 i_cmd_wnd[8];        /* dword 2 */
900         u8 i_res_cnt[31];       /* dword 3 */
901         u8 valid;               /* dword 3 */
902 } __packed;
903
904 #define SOL_ICD_INDEX_MASK      0x0003FFC0
905 struct amap_sol_cqe_ring {
906         u8 hw_sts[8];           /* dword 0 */
907         u8 i_sts[8];            /* dword 0 */
908         u8 i_resp[8];           /* dword 0 */
909         u8 i_flags[7];          /* dword 0 */
910         u8 s;                   /* dword 0 */
911         u8 i_exp_cmd_sn[32];    /* dword 1 */
912         u8 code[6];             /* dword 2 */
913         u8 icd_index[12];       /* dword 2 */
914         u8 rsvd[6];             /* dword 2 */
915         u8 i_cmd_wnd[8];        /* dword 2 */
916         u8 i_res_cnt[31];       /* dword 3 */
917         u8 valid;               /* dword 3 */
918 } __packed;
919
920 struct amap_sol_cqe_v2 {
921         u8 hw_sts[8];   /* dword 0 */
922         u8 i_sts[8];    /* dword 0 */
923         u8 wrb_index[16];   /* dword 0 */
924         u8 i_exp_cmd_sn[32];    /* dword 1 */
925         u8 code[6]; /* dword 2 */
926         u8 cmd_cmpl;    /* dword 2 */
927         u8 rsvd0;   /* dword 2 */
928         u8 i_cmd_wnd[8];    /* dword 2 */
929         u8 cid[13]; /* dword 2 */
930         u8 u;   /* dword 2 */
931         u8 o;   /* dword 2 */
932         u8 s;   /* dword 2 */
933         u8 i_res_cnt[31];   /* dword 3 */
934         u8 valid;   /* dword 3 */
935 } __packed;
936
937 struct common_sol_cqe {
938         u32 exp_cmdsn;
939         u32 res_cnt;
940         u16 wrb_index;
941         u16 cid;
942         u8 hw_sts;
943         u8 cmd_wnd;
944         u8 res_flag; /* the s feild of structure */
945         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
946         u8 i_flags; /* for skh or the u and o feilds */
947         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
948 };
949
950 /*** iSCSI ack/driver message completions ***/
951 struct amap_it_dmsg_cqe {
952         u8 ack_num[32]; /* DWORD 0 */
953         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
954         u8 code[6]; /* DWORD 2 */
955         u8 cid[10]; /* DWORD 2 */
956         u8 wrb_idx[8];  /* DWORD 2 */
957         u8 rsvd0[8];    /* DWORD 2*/
958         u8 rsvd1[31];   /* DWORD 3*/
959         u8 valid;   /* DWORD 3 */
960 } __packed;
961
962 struct amap_it_dmsg_cqe_v2 {
963         u8 ack_num[32]; /* DWORD 0 */
964         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
965         u8 code[6]; /* DWORD 2 */
966         u8 rsvd0[10];   /* DWORD 2 */
967         u8 wrb_idx[16]; /* DWORD 2 */
968         u8 rsvd1[16];   /* DWORD 3 */
969         u8 cid[13]; /* DWORD 3 */
970         u8 rsvd2[2];    /* DWORD 3 */
971         u8 valid;   /* DWORD 3 */
972 } __packed;
973
974
975 /**
976  * Post WRB Queue Doorbell Register used by the host Storage
977  * stack to notify the
978  * controller of a posted Work Request Block
979  */
980 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
981 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
982
983 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
984 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
985
986 struct fragnum_bits_for_sgl_cra_in {
987         struct be_cmd_req_hdr hdr;
988         u32 num_bits;
989 } __packed;
990
991 struct iscsi_cleanup_req {
992         struct be_cmd_req_hdr hdr;
993         u16 chute;
994         u8 hdr_ring_id;
995         u8 data_ring_id;
996
997 } __packed;
998
999 struct eq_delay {
1000         u32 eq_id;
1001         u32 phase;
1002         u32 delay_multiplier;
1003 } __packed;
1004
1005 struct be_eq_delay_params_in {
1006         struct be_cmd_req_hdr hdr;
1007         u32 num_eq;
1008         struct eq_delay delay[8];
1009 } __packed;
1010
1011 struct tcp_connect_and_offload_in {
1012         struct be_cmd_req_hdr hdr;
1013         struct ip_addr_format ip_address;
1014         u16 tcp_port;
1015         u16 cid;
1016         u16 cq_id;
1017         u16 defq_id;
1018         struct phys_addr dataout_template_pa;
1019         u16 hdr_ring_id;
1020         u16 data_ring_id;
1021         u8 do_offload;
1022         u8 rsvd0[3];
1023 } __packed;
1024
1025 struct tcp_connect_and_offload_in_v1 {
1026         struct be_cmd_req_hdr hdr;
1027         struct ip_addr_format ip_address;
1028         u16 tcp_port;
1029         u16 cid;
1030         u16 cq_id;
1031         u16 defq_id;
1032         struct phys_addr dataout_template_pa;
1033         u16 hdr_ring_id;
1034         u16 data_ring_id;
1035         u8 do_offload;
1036         u8 ifd_state;
1037         u8 rsvd0[2];
1038         u16 tcp_window_size;
1039         u8 tcp_window_scale_count;
1040         u8 rsvd1;
1041         u32 tcp_mss:24;
1042         u8 rsvd2;
1043 } __packed;
1044
1045 struct tcp_connect_and_offload_out {
1046         struct be_cmd_resp_hdr hdr;
1047         u32 connection_handle;
1048         u16 cid;
1049         u16 rsvd0;
1050
1051 } __packed;
1052
1053 struct be_mcc_wrb_context {
1054         struct MCC_WRB *wrb;
1055         int *users_final_status;
1056 } __packed;
1057
1058 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1059 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1060 #define DB_DEF_PDU_REARM_SHIFT          14
1061 #define DB_DEF_PDU_EVENT_SHIFT          15
1062 #define DB_DEF_PDU_CQPROC_SHIFT         16
1063
1064 struct dmsg_cqe {
1065         u32 dw[4];
1066 } __packed;
1067
1068 struct tcp_upload_params_in {
1069         struct be_cmd_req_hdr hdr;
1070         u16 id;
1071         u16 upload_type;
1072         u32 reset_seq;
1073 } __packed;
1074
1075 struct tcp_upload_params_out {
1076         u32 dw[32];
1077 } __packed;
1078
1079 union tcp_upload_params {
1080         struct tcp_upload_params_in request;
1081         struct tcp_upload_params_out response;
1082 } __packed;
1083
1084 struct be_ulp_fw_cfg {
1085 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1086         u32 ulp_mode;
1087         u32 etx_base;
1088         u32 etx_count;
1089         u32 sq_base;
1090         u32 sq_count;
1091         u32 rq_base;
1092         u32 rq_count;
1093         u32 dq_base;
1094         u32 dq_count;
1095         u32 lro_base;
1096         u32 lro_count;
1097         u32 icd_base;
1098         u32 icd_count;
1099 };
1100
1101 struct be_ulp_chain_icd {
1102         u32 chain_base;
1103         u32 chain_count;
1104 };
1105
1106 struct be_fw_cfg {
1107         struct be_cmd_req_hdr hdr;
1108         u32 be_config_number;
1109         u32 asic_revision;
1110         u32 phys_port;
1111 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1112 #define BEISCSI_FUNC_DUA_MODE   0x800
1113         u32 function_mode;
1114         struct be_ulp_fw_cfg ulp[2];
1115         u32 function_caps;
1116         u32 cqid_base;
1117         u32 cqid_count;
1118         u32 eqid_base;
1119         u32 eqid_count;
1120         struct be_ulp_chain_icd chain_icd[2];
1121 } __packed;
1122
1123 struct be_cmd_get_all_if_id_req {
1124         struct be_cmd_req_hdr hdr;
1125         u32 if_count;
1126         u32 if_hndl_list[1];
1127 } __packed;
1128
1129 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1130 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1131 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1132 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1133 #define OPCODE_COMMON_TCP_UPLOAD                56
1134 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1135 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1136 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1137 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1138 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1139 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1140 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1141 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1142 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1143 #define OPCODE_COMMON_WRITE_FLASH               96
1144 #define OPCODE_COMMON_READ_FLASH                97
1145
1146 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1147 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1148 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1149 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1150
1151 #define INI_WR_CMD                      1       /* Initiator write command */
1152 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1153 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1154 #define INI_RD_CMD                      5       /* Initiator requesting to send
1155                                                  * a read command
1156                                                  */
1157 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1158 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1159                                                  * where only the status number
1160                                                  * need to be updated
1161                                                  */
1162 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1163                                                  * to read command
1164                                                  */
1165 #define TGT_SOS_PDU                     10      /* Target:standalone status
1166                                                  * response
1167                                                  */
1168 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1169                                                  *  preparedby
1170                                                  * driver should not be touched
1171                                                  */
1172 /* --- CMD_CHUTE_TYPE --- */
1173 #define CMD_CONNECTION_CHUTE_0          1
1174 #define CMD_CONNECTION_CHUTE_1          2
1175 #define CMD_CONNECTION_CHUTE_2          3
1176
1177 #define EQ_MAJOR_CODE_COMPLETION        0
1178
1179 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1180 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1181
1182 /* --- CONNECTION_UPLOAD_PARAMS --- */
1183 /* These parameters are used to define the type of upload desired.  */
1184 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1185 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1186                                                  * reset
1187                                                  */
1188 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1189                                                  * reset
1190                                                  */
1191 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1192                                                  * sequence number by driver  */
1193
1194 /* Returns the number of items in the field array. */
1195 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1196         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1197
1198 /**
1199  * Different types of iSCSI completions to host driver for both initiator
1200  * and taget mode
1201  * of operation.
1202  */
1203 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1204                                                  * normally
1205                                                  */
1206 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1207                                                  * invalidated internally due
1208                                                  * to Data Digest error
1209                                                  */
1210 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1211                                                  * internally
1212                                                  * due to a received PDU
1213                                                  * size > DSL
1214                                                  */
1215 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1216                                                  * internally due ti received
1217                                                  * PDU sequence size >
1218                                                  * FBL/MBL.
1219                                                  */
1220 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1221                                                  * internally due to a received
1222                                                  * PDU Hdr that has
1223                                                  * AHS */
1224 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1225                                                  * internally due to Hdr Digest
1226                                                  * error
1227                                                  */
1228 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1229                                                  *  internally
1230                                                  * due to a bad opcode in the
1231                                                  * pdu hdr
1232                                                  */
1233 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1234                                                  * internally due to a received
1235                                                  * ITT/TTT that does not belong
1236                                                  * to this Connection
1237                                                  */
1238 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1239                                                  * internally due to received
1240                                                  * ITT/TTT value > Max
1241                                                  * Supported ITTs/TTTs
1242                                                  */
1243 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1244                                                  * internally due to an
1245                                                  * incoming TCP RST
1246                                                  */
1247 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1248                                                  * internally due to timeout on
1249                                                  * tcp segment 12 retransmit
1250                                                  * attempts failed
1251                                                  */
1252 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1253                                                  * internally due to TCP RST
1254                                                  * sent by the Tx side
1255                                                  */
1256 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1257                                                  * internally due to an
1258                                                  * incoming TCP FIN.
1259                                                  */
1260 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1261                                                  * internally due to bad
1262                                                  * unsolicited PDU Unsolicited
1263                                                  * PDUs are PDUs with
1264                                                  * ITT=0xffffffff
1265                                                  */
1266 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1267                                                  * internally due to bad WRB
1268                                                  * index.
1269                                                  */
1270 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1271                                                  * internally due to received
1272                                                  * command has residual
1273                                                  * over run bytes.
1274                                                  */
1275 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1276                                                  * internally due to received
1277                                                  * command has residual under
1278                                                  * run bytes.
1279                                                  */
1280 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1281                                                  * internally due to a received
1282                                                  * PDU has an invalid StatusSN
1283                                                  */
1284 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1285                                                  * internally due to a received
1286                                                  * an R2T with some invalid
1287                                                  * fields in it
1288                                                  */
1289 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1290                                                  * internally due to received
1291                                                  * PDU has an invalid LUN.
1292                                                  */
1293 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1294                                                  * internally due to the
1295                                                  * corresponding ICD not in a
1296                                                  * valid state
1297                                                  */
1298 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1299                                                  *  to received PDU has an
1300                                                  *  invalid ITT.
1301                                                  */
1302 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1303                                                  * to received sequence buffer
1304                                                  * offset is out of order.
1305                                                  */
1306 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1307                                                  * internally due to a
1308                                                  * received PDU has an invalid
1309                                                  * DataSN
1310                                                  */
1311 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1312                                                  * completion notify.
1313                                                  */
1314 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1315                                                  * completion
1316                                                  * with data PDU index.
1317                                                  */
1318 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1319                                                  * completionnotifify.
1320                                                  */
1321 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1322 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1323 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1324                                                  * error notify.
1325                                                  */
1326 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1327                                                  * notification.
1328                                                  */
1329 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1330                                                   * internally due to command
1331                                                   * and data are not on same
1332                                                   * connection.
1333                                                   */
1334 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1335                                                  *  invalidated internally due
1336                                                  *  to DIF error
1337                                                  */
1338 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1339                                                  * internally due to incoming
1340                                                  * TCP SYN
1341                                                  */
1342 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1343                                                  * internally due to an
1344                                                  * incoming Unsolicited PDU
1345                                                  * that has immediate data on
1346                                                  * the cxn
1347                                                  */
1348
1349 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1350 int be_chk_reset_complete(struct beiscsi_hba *phba);
1351
1352 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1353                         bool embedded, u8 sge_cnt);
1354
1355 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1356                         u8 subsystem, u8 opcode, int cmd_len);
1357
1358 void be2iscsi_fail_session(struct iscsi_cls_session *cls_session);
1359 #endif /* !BEISCSI_CMDS_H */