Merge branches 'work.misc' and 'work.dcache' of git://git.kernel.org/pub/scm/linux...
[sfrench/cifs-2.6.git] / drivers / scsi / qla2xxx / qla_sup.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/vmalloc.h>
12 #include <linux/uaccess.h>
13
14 /*
15  * NVRAM support routines
16  */
17
18 /**
19  * qla2x00_lock_nvram_access() -
20  * @ha: HA context
21  */
22 static void
23 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
24 {
25         uint16_t data;
26         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
27
28         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
29                 data = RD_REG_WORD(&reg->nvram);
30                 while (data & NVR_BUSY) {
31                         udelay(100);
32                         data = RD_REG_WORD(&reg->nvram);
33                 }
34
35                 /* Lock resource */
36                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
37                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
38                 udelay(5);
39                 data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
40                 while ((data & BIT_0) == 0) {
41                         /* Lock failed */
42                         udelay(100);
43                         WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
44                         RD_REG_WORD(&reg->u.isp2300.host_semaphore);
45                         udelay(5);
46                         data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
47                 }
48         }
49 }
50
51 /**
52  * qla2x00_unlock_nvram_access() -
53  * @ha: HA context
54  */
55 static void
56 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
57 {
58         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
59
60         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
61                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
62                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
63         }
64 }
65
66 /**
67  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
68  * @ha: HA context
69  * @data: Serial interface selector
70  */
71 static void
72 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
73 {
74         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
75
76         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
77         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
78         NVRAM_DELAY();
79         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
80             NVR_WRT_ENABLE);
81         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
82         NVRAM_DELAY();
83         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
84         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
85         NVRAM_DELAY();
86 }
87
88 /**
89  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
90  *      NVRAM.
91  * @ha: HA context
92  * @nv_cmd: NVRAM command
93  *
94  * Bit definitions for NVRAM command:
95  *
96  *      Bit 26     = start bit
97  *      Bit 25, 24 = opcode
98  *      Bit 23-16  = address
99  *      Bit 15-0   = write data
100  *
101  * Returns the word read from nvram @addr.
102  */
103 static uint16_t
104 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
105 {
106         uint8_t         cnt;
107         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
108         uint16_t        data = 0;
109         uint16_t        reg_data;
110
111         /* Send command to NVRAM. */
112         nv_cmd <<= 5;
113         for (cnt = 0; cnt < 11; cnt++) {
114                 if (nv_cmd & BIT_31)
115                         qla2x00_nv_write(ha, NVR_DATA_OUT);
116                 else
117                         qla2x00_nv_write(ha, 0);
118                 nv_cmd <<= 1;
119         }
120
121         /* Read data from NVRAM. */
122         for (cnt = 0; cnt < 16; cnt++) {
123                 WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
124                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
125                 NVRAM_DELAY();
126                 data <<= 1;
127                 reg_data = RD_REG_WORD(&reg->nvram);
128                 if (reg_data & NVR_DATA_IN)
129                         data |= BIT_0;
130                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
131                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
132                 NVRAM_DELAY();
133         }
134
135         /* Deselect chip. */
136         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
137         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
138         NVRAM_DELAY();
139
140         return data;
141 }
142
143
144 /**
145  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
146  *      request routine to get the word from NVRAM.
147  * @ha: HA context
148  * @addr: Address in NVRAM to read
149  *
150  * Returns the word read from nvram @addr.
151  */
152 static uint16_t
153 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
154 {
155         uint16_t        data;
156         uint32_t        nv_cmd;
157
158         nv_cmd = addr << 16;
159         nv_cmd |= NV_READ_OP;
160         data = qla2x00_nvram_request(ha, nv_cmd);
161
162         return (data);
163 }
164
165 /**
166  * qla2x00_nv_deselect() - Deselect NVRAM operations.
167  * @ha: HA context
168  */
169 static void
170 qla2x00_nv_deselect(struct qla_hw_data *ha)
171 {
172         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
173
174         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
175         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
176         NVRAM_DELAY();
177 }
178
179 /**
180  * qla2x00_write_nvram_word() - Write NVRAM data.
181  * @ha: HA context
182  * @addr: Address in NVRAM to write
183  * @data: word to program
184  */
185 static void
186 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
187 {
188         int count;
189         uint16_t word;
190         uint32_t nv_cmd, wait_cnt;
191         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
192         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
193
194         qla2x00_nv_write(ha, NVR_DATA_OUT);
195         qla2x00_nv_write(ha, 0);
196         qla2x00_nv_write(ha, 0);
197
198         for (word = 0; word < 8; word++)
199                 qla2x00_nv_write(ha, NVR_DATA_OUT);
200
201         qla2x00_nv_deselect(ha);
202
203         /* Write data */
204         nv_cmd = (addr << 16) | NV_WRITE_OP;
205         nv_cmd |= data;
206         nv_cmd <<= 5;
207         for (count = 0; count < 27; count++) {
208                 if (nv_cmd & BIT_31)
209                         qla2x00_nv_write(ha, NVR_DATA_OUT);
210                 else
211                         qla2x00_nv_write(ha, 0);
212
213                 nv_cmd <<= 1;
214         }
215
216         qla2x00_nv_deselect(ha);
217
218         /* Wait for NVRAM to become ready */
219         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
220         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
221         wait_cnt = NVR_WAIT_CNT;
222         do {
223                 if (!--wait_cnt) {
224                         ql_dbg(ql_dbg_user, vha, 0x708d,
225                             "NVRAM didn't go ready...\n");
226                         break;
227                 }
228                 NVRAM_DELAY();
229                 word = RD_REG_WORD(&reg->nvram);
230         } while ((word & NVR_DATA_IN) == 0);
231
232         qla2x00_nv_deselect(ha);
233
234         /* Disable writes */
235         qla2x00_nv_write(ha, NVR_DATA_OUT);
236         for (count = 0; count < 10; count++)
237                 qla2x00_nv_write(ha, 0);
238
239         qla2x00_nv_deselect(ha);
240 }
241
242 static int
243 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
244         uint16_t data, uint32_t tmo)
245 {
246         int ret, count;
247         uint16_t word;
248         uint32_t nv_cmd;
249         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
250
251         ret = QLA_SUCCESS;
252
253         qla2x00_nv_write(ha, NVR_DATA_OUT);
254         qla2x00_nv_write(ha, 0);
255         qla2x00_nv_write(ha, 0);
256
257         for (word = 0; word < 8; word++)
258                 qla2x00_nv_write(ha, NVR_DATA_OUT);
259
260         qla2x00_nv_deselect(ha);
261
262         /* Write data */
263         nv_cmd = (addr << 16) | NV_WRITE_OP;
264         nv_cmd |= data;
265         nv_cmd <<= 5;
266         for (count = 0; count < 27; count++) {
267                 if (nv_cmd & BIT_31)
268                         qla2x00_nv_write(ha, NVR_DATA_OUT);
269                 else
270                         qla2x00_nv_write(ha, 0);
271
272                 nv_cmd <<= 1;
273         }
274
275         qla2x00_nv_deselect(ha);
276
277         /* Wait for NVRAM to become ready */
278         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
279         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
280         do {
281                 NVRAM_DELAY();
282                 word = RD_REG_WORD(&reg->nvram);
283                 if (!--tmo) {
284                         ret = QLA_FUNCTION_FAILED;
285                         break;
286                 }
287         } while ((word & NVR_DATA_IN) == 0);
288
289         qla2x00_nv_deselect(ha);
290
291         /* Disable writes */
292         qla2x00_nv_write(ha, NVR_DATA_OUT);
293         for (count = 0; count < 10; count++)
294                 qla2x00_nv_write(ha, 0);
295
296         qla2x00_nv_deselect(ha);
297
298         return ret;
299 }
300
301 /**
302  * qla2x00_clear_nvram_protection() -
303  * @ha: HA context
304  */
305 static int
306 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
307 {
308         int ret, stat;
309         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
310         uint32_t word, wait_cnt;
311         uint16_t wprot, wprot_old;
312         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
313
314         /* Clear NVRAM write protection. */
315         ret = QLA_FUNCTION_FAILED;
316
317         wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
318         stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
319                                             cpu_to_le16(0x1234), 100000);
320         wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
321         if (stat != QLA_SUCCESS || wprot != 0x1234) {
322                 /* Write enable. */
323                 qla2x00_nv_write(ha, NVR_DATA_OUT);
324                 qla2x00_nv_write(ha, 0);
325                 qla2x00_nv_write(ha, 0);
326                 for (word = 0; word < 8; word++)
327                         qla2x00_nv_write(ha, NVR_DATA_OUT);
328
329                 qla2x00_nv_deselect(ha);
330
331                 /* Enable protection register. */
332                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
333                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
334                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
335                 for (word = 0; word < 8; word++)
336                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
337
338                 qla2x00_nv_deselect(ha);
339
340                 /* Clear protection register (ffff is cleared). */
341                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
342                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
343                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
344                 for (word = 0; word < 8; word++)
345                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
346
347                 qla2x00_nv_deselect(ha);
348
349                 /* Wait for NVRAM to become ready. */
350                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
351                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
352                 wait_cnt = NVR_WAIT_CNT;
353                 do {
354                         if (!--wait_cnt) {
355                                 ql_dbg(ql_dbg_user, vha, 0x708e,
356                                     "NVRAM didn't go ready...\n");
357                                 break;
358                         }
359                         NVRAM_DELAY();
360                         word = RD_REG_WORD(&reg->nvram);
361                 } while ((word & NVR_DATA_IN) == 0);
362
363                 if (wait_cnt)
364                         ret = QLA_SUCCESS;
365         } else
366                 qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
367
368         return ret;
369 }
370
371 static void
372 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
373 {
374         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
375         uint32_t word, wait_cnt;
376         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
377
378         if (stat != QLA_SUCCESS)
379                 return;
380
381         /* Set NVRAM write protection. */
382         /* Write enable. */
383         qla2x00_nv_write(ha, NVR_DATA_OUT);
384         qla2x00_nv_write(ha, 0);
385         qla2x00_nv_write(ha, 0);
386         for (word = 0; word < 8; word++)
387                 qla2x00_nv_write(ha, NVR_DATA_OUT);
388
389         qla2x00_nv_deselect(ha);
390
391         /* Enable protection register. */
392         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
393         qla2x00_nv_write(ha, NVR_PR_ENABLE);
394         qla2x00_nv_write(ha, NVR_PR_ENABLE);
395         for (word = 0; word < 8; word++)
396                 qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
397
398         qla2x00_nv_deselect(ha);
399
400         /* Enable protection register. */
401         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
402         qla2x00_nv_write(ha, NVR_PR_ENABLE);
403         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
404         for (word = 0; word < 8; word++)
405                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
406
407         qla2x00_nv_deselect(ha);
408
409         /* Wait for NVRAM to become ready. */
410         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
411         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
412         wait_cnt = NVR_WAIT_CNT;
413         do {
414                 if (!--wait_cnt) {
415                         ql_dbg(ql_dbg_user, vha, 0x708f,
416                             "NVRAM didn't go ready...\n");
417                         break;
418                 }
419                 NVRAM_DELAY();
420                 word = RD_REG_WORD(&reg->nvram);
421         } while ((word & NVR_DATA_IN) == 0);
422 }
423
424
425 /*****************************************************************************/
426 /* Flash Manipulation Routines                                               */
427 /*****************************************************************************/
428
429 static inline uint32_t
430 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
431 {
432         return ha->flash_conf_off | faddr;
433 }
434
435 static inline uint32_t
436 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
437 {
438         return ha->flash_data_off | faddr;
439 }
440
441 static inline uint32_t
442 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
443 {
444         return ha->nvram_conf_off | naddr;
445 }
446
447 static inline uint32_t
448 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
449 {
450         return ha->nvram_data_off | naddr;
451 }
452
453 static uint32_t
454 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
455 {
456         int rval;
457         uint32_t cnt, data;
458         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
459
460         WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
461         /* Wait for READ cycle to complete. */
462         rval = QLA_SUCCESS;
463         for (cnt = 3000;
464             (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
465             rval == QLA_SUCCESS; cnt--) {
466                 if (cnt)
467                         udelay(10);
468                 else
469                         rval = QLA_FUNCTION_TIMEOUT;
470                 cond_resched();
471         }
472
473         /* TODO: What happens if we time out? */
474         data = 0xDEADDEAD;
475         if (rval == QLA_SUCCESS)
476                 data = RD_REG_DWORD(&reg->flash_data);
477
478         return data;
479 }
480
481 uint32_t *
482 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
483     uint32_t dwords)
484 {
485         uint32_t i;
486         struct qla_hw_data *ha = vha->hw;
487
488         /* Dword reads to flash. */
489         for (i = 0; i < dwords; i++, faddr++)
490                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
491                     flash_data_addr(ha, faddr)));
492
493         return dwptr;
494 }
495
496 static int
497 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
498 {
499         int rval;
500         uint32_t cnt;
501         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
502
503         WRT_REG_DWORD(&reg->flash_data, data);
504         RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
505         WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
506         /* Wait for Write cycle to complete. */
507         rval = QLA_SUCCESS;
508         for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
509             rval == QLA_SUCCESS; cnt--) {
510                 if (cnt)
511                         udelay(10);
512                 else
513                         rval = QLA_FUNCTION_TIMEOUT;
514                 cond_resched();
515         }
516         return rval;
517 }
518
519 static void
520 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
521     uint8_t *flash_id)
522 {
523         uint32_t ids;
524
525         ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
526         *man_id = LSB(ids);
527         *flash_id = MSB(ids);
528
529         /* Check if man_id and flash_id are valid. */
530         if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
531                 /* Read information using 0x9f opcode
532                  * Device ID, Mfg ID would be read in the format:
533                  *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
534                  * Example: ATMEL 0x00 01 45 1F
535                  * Extract MFG and Dev ID from last two bytes.
536                  */
537                 ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
538                 *man_id = LSB(ids);
539                 *flash_id = MSB(ids);
540         }
541 }
542
543 static int
544 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
545 {
546         const char *loc, *locations[] = { "DEF", "PCI" };
547         uint32_t pcihdr, pcids;
548         uint32_t *dcode;
549         uint8_t *buf, *bcode, last_image;
550         uint16_t cnt, chksum, *wptr;
551         struct qla_flt_location *fltl;
552         struct qla_hw_data *ha = vha->hw;
553         struct req_que *req = ha->req_q_map[0];
554
555         /*
556          * FLT-location structure resides after the last PCI region.
557          */
558
559         /* Begin with sane defaults. */
560         loc = locations[0];
561         *start = 0;
562         if (IS_QLA24XX_TYPE(ha))
563                 *start = FA_FLASH_LAYOUT_ADDR_24;
564         else if (IS_QLA25XX(ha))
565                 *start = FA_FLASH_LAYOUT_ADDR;
566         else if (IS_QLA81XX(ha))
567                 *start = FA_FLASH_LAYOUT_ADDR_81;
568         else if (IS_P3P_TYPE(ha)) {
569                 *start = FA_FLASH_LAYOUT_ADDR_82;
570                 goto end;
571         } else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
572                 *start = FA_FLASH_LAYOUT_ADDR_83;
573                 goto end;
574         }
575         /* Begin with first PCI expansion ROM header. */
576         buf = (uint8_t *)req->ring;
577         dcode = (uint32_t *)req->ring;
578         pcihdr = 0;
579         last_image = 1;
580         do {
581                 /* Verify PCI expansion ROM header. */
582                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
583                 bcode = buf + (pcihdr % 4);
584                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
585                         goto end;
586
587                 /* Locate PCI data structure. */
588                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
589                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
590                 bcode = buf + (pcihdr % 4);
591
592                 /* Validate signature of PCI data structure. */
593                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
594                     bcode[0x2] != 'I' || bcode[0x3] != 'R')
595                         goto end;
596
597                 last_image = bcode[0x15] & BIT_7;
598
599                 /* Locate next PCI expansion ROM. */
600                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
601         } while (!last_image);
602
603         /* Now verify FLT-location structure. */
604         fltl = (struct qla_flt_location *)req->ring;
605         qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
606             sizeof(struct qla_flt_location) >> 2);
607         if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
608             fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
609                 goto end;
610
611         wptr = (uint16_t *)req->ring;
612         cnt = sizeof(struct qla_flt_location) >> 1;
613         for (chksum = 0; cnt--; wptr++)
614                 chksum += le16_to_cpu(*wptr);
615         if (chksum) {
616                 ql_log(ql_log_fatal, vha, 0x0045,
617                     "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
618                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
619                     buf, sizeof(struct qla_flt_location));
620                 return QLA_FUNCTION_FAILED;
621         }
622
623         /* Good data.  Use specified location. */
624         loc = locations[1];
625         *start = (le16_to_cpu(fltl->start_hi) << 16 |
626             le16_to_cpu(fltl->start_lo)) >> 2;
627 end:
628         ql_dbg(ql_dbg_init, vha, 0x0046,
629             "FLTL[%s] = 0x%x.\n",
630             loc, *start);
631         return QLA_SUCCESS;
632 }
633
634 static void
635 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
636 {
637         const char *loc, *locations[] = { "DEF", "FLT" };
638         const uint32_t def_fw[] =
639                 { FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
640         const uint32_t def_boot[] =
641                 { FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
642         const uint32_t def_vpd_nvram[] =
643                 { FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
644         const uint32_t def_vpd0[] =
645                 { 0, 0, FA_VPD0_ADDR_81 };
646         const uint32_t def_vpd1[] =
647                 { 0, 0, FA_VPD1_ADDR_81 };
648         const uint32_t def_nvram0[] =
649                 { 0, 0, FA_NVRAM0_ADDR_81 };
650         const uint32_t def_nvram1[] =
651                 { 0, 0, FA_NVRAM1_ADDR_81 };
652         const uint32_t def_fdt[] =
653                 { FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
654                         FA_FLASH_DESCR_ADDR_81 };
655         const uint32_t def_npiv_conf0[] =
656                 { FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
657                         FA_NPIV_CONF0_ADDR_81 };
658         const uint32_t def_npiv_conf1[] =
659                 { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
660                         FA_NPIV_CONF1_ADDR_81 };
661         const uint32_t fcp_prio_cfg0[] =
662                 { FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
663                         0 };
664         const uint32_t fcp_prio_cfg1[] =
665                 { FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
666                         0 };
667         uint32_t def;
668         uint16_t *wptr;
669         uint16_t cnt, chksum;
670         uint32_t start;
671         struct qla_flt_header *flt;
672         struct qla_flt_region *region;
673         struct qla_hw_data *ha = vha->hw;
674         struct req_que *req = ha->req_q_map[0];
675
676         def = 0;
677         if (IS_QLA25XX(ha))
678                 def = 1;
679         else if (IS_QLA81XX(ha))
680                 def = 2;
681
682         /* Assign FCP prio region since older adapters may not have FLT, or
683            FCP prio region in it's FLT.
684          */
685         ha->flt_region_fcp_prio = (ha->port_no == 0) ?
686             fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
687
688         ha->flt_region_flt = flt_addr;
689         wptr = (uint16_t *)req->ring;
690         flt = (struct qla_flt_header *)req->ring;
691         region = (struct qla_flt_region *)&flt[1];
692         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
693             flt_addr << 2, OPTROM_BURST_SIZE);
694         if (*wptr == cpu_to_le16(0xffff))
695                 goto no_flash_data;
696         if (flt->version != cpu_to_le16(1)) {
697                 ql_log(ql_log_warn, vha, 0x0047,
698                     "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
699                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
700                     le16_to_cpu(flt->checksum));
701                 goto no_flash_data;
702         }
703
704         cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
705         for (chksum = 0; cnt--; wptr++)
706                 chksum += le16_to_cpu(*wptr);
707         if (chksum) {
708                 ql_log(ql_log_fatal, vha, 0x0048,
709                     "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
710                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
711                     le16_to_cpu(flt->checksum));
712                 goto no_flash_data;
713         }
714
715         loc = locations[1];
716         cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
717         for ( ; cnt; cnt--, region++) {
718                 /* Store addresses as DWORD offsets. */
719                 start = le32_to_cpu(region->start) >> 2;
720                 ql_dbg(ql_dbg_init, vha, 0x0049,
721                     "FLT[%02x]: start=0x%x "
722                     "end=0x%x size=0x%x.\n", le32_to_cpu(region->code) & 0xff,
723                     start, le32_to_cpu(region->end) >> 2,
724                     le32_to_cpu(region->size));
725
726                 switch (le32_to_cpu(region->code) & 0xff) {
727                 case FLT_REG_FCOE_FW:
728                         if (!IS_QLA8031(ha))
729                                 break;
730                         ha->flt_region_fw = start;
731                         break;
732                 case FLT_REG_FW:
733                         if (IS_QLA8031(ha))
734                                 break;
735                         ha->flt_region_fw = start;
736                         break;
737                 case FLT_REG_BOOT_CODE:
738                         ha->flt_region_boot = start;
739                         break;
740                 case FLT_REG_VPD_0:
741                         if (IS_QLA8031(ha))
742                                 break;
743                         ha->flt_region_vpd_nvram = start;
744                         if (IS_P3P_TYPE(ha))
745                                 break;
746                         if (ha->port_no == 0)
747                                 ha->flt_region_vpd = start;
748                         break;
749                 case FLT_REG_VPD_1:
750                         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
751                                 break;
752                         if (ha->port_no == 1)
753                                 ha->flt_region_vpd = start;
754                         break;
755                 case FLT_REG_VPD_2:
756                         if (!IS_QLA27XX(ha))
757                                 break;
758                         if (ha->port_no == 2)
759                                 ha->flt_region_vpd = start;
760                         break;
761                 case FLT_REG_VPD_3:
762                         if (!IS_QLA27XX(ha))
763                                 break;
764                         if (ha->port_no == 3)
765                                 ha->flt_region_vpd = start;
766                         break;
767                 case FLT_REG_NVRAM_0:
768                         if (IS_QLA8031(ha))
769                                 break;
770                         if (ha->port_no == 0)
771                                 ha->flt_region_nvram = start;
772                         break;
773                 case FLT_REG_NVRAM_1:
774                         if (IS_QLA8031(ha))
775                                 break;
776                         if (ha->port_no == 1)
777                                 ha->flt_region_nvram = start;
778                         break;
779                 case FLT_REG_NVRAM_2:
780                         if (!IS_QLA27XX(ha))
781                                 break;
782                         if (ha->port_no == 2)
783                                 ha->flt_region_nvram = start;
784                         break;
785                 case FLT_REG_NVRAM_3:
786                         if (!IS_QLA27XX(ha))
787                                 break;
788                         if (ha->port_no == 3)
789                                 ha->flt_region_nvram = start;
790                         break;
791                 case FLT_REG_FDT:
792                         ha->flt_region_fdt = start;
793                         break;
794                 case FLT_REG_NPIV_CONF_0:
795                         if (ha->port_no == 0)
796                                 ha->flt_region_npiv_conf = start;
797                         break;
798                 case FLT_REG_NPIV_CONF_1:
799                         if (ha->port_no == 1)
800                                 ha->flt_region_npiv_conf = start;
801                         break;
802                 case FLT_REG_GOLD_FW:
803                         ha->flt_region_gold_fw = start;
804                         break;
805                 case FLT_REG_FCP_PRIO_0:
806                         if (ha->port_no == 0)
807                                 ha->flt_region_fcp_prio = start;
808                         break;
809                 case FLT_REG_FCP_PRIO_1:
810                         if (ha->port_no == 1)
811                                 ha->flt_region_fcp_prio = start;
812                         break;
813                 case FLT_REG_BOOT_CODE_82XX:
814                         ha->flt_region_boot = start;
815                         break;
816                 case FLT_REG_BOOT_CODE_8044:
817                         if (IS_QLA8044(ha))
818                                 ha->flt_region_boot = start;
819                         break;
820                 case FLT_REG_FW_82XX:
821                         ha->flt_region_fw = start;
822                         break;
823                 case FLT_REG_CNA_FW:
824                         if (IS_CNA_CAPABLE(ha))
825                                 ha->flt_region_fw = start;
826                         break;
827                 case FLT_REG_GOLD_FW_82XX:
828                         ha->flt_region_gold_fw = start;
829                         break;
830                 case FLT_REG_BOOTLOAD_82XX:
831                         ha->flt_region_bootload = start;
832                         break;
833                 case FLT_REG_VPD_8XXX:
834                         if (IS_CNA_CAPABLE(ha))
835                                 ha->flt_region_vpd = start;
836                         break;
837                 case FLT_REG_FCOE_NVRAM_0:
838                         if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
839                                 break;
840                         if (ha->port_no == 0)
841                                 ha->flt_region_nvram = start;
842                         break;
843                 case FLT_REG_FCOE_NVRAM_1:
844                         if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
845                                 break;
846                         if (ha->port_no == 1)
847                                 ha->flt_region_nvram = start;
848                         break;
849                 case FLT_REG_IMG_PRI_27XX:
850                         if (IS_QLA27XX(ha))
851                                 ha->flt_region_img_status_pri = start;
852                         break;
853                 case FLT_REG_IMG_SEC_27XX:
854                         if (IS_QLA27XX(ha))
855                                 ha->flt_region_img_status_sec = start;
856                         break;
857                 case FLT_REG_FW_SEC_27XX:
858                         if (IS_QLA27XX(ha))
859                                 ha->flt_region_fw_sec = start;
860                         break;
861                 case FLT_REG_BOOTLOAD_SEC_27XX:
862                         if (IS_QLA27XX(ha))
863                                 ha->flt_region_boot_sec = start;
864                         break;
865                 case FLT_REG_VPD_SEC_27XX_0:
866                         if (IS_QLA27XX(ha))
867                                 ha->flt_region_vpd_sec = start;
868                         break;
869                 case FLT_REG_VPD_SEC_27XX_1:
870                         if (IS_QLA27XX(ha))
871                                 ha->flt_region_vpd_sec = start;
872                         break;
873                 case FLT_REG_VPD_SEC_27XX_2:
874                         if (IS_QLA27XX(ha))
875                                 ha->flt_region_vpd_sec = start;
876                         break;
877                 case FLT_REG_VPD_SEC_27XX_3:
878                         if (IS_QLA27XX(ha))
879                                 ha->flt_region_vpd_sec = start;
880                         break;
881                 }
882         }
883         goto done;
884
885 no_flash_data:
886         /* Use hardcoded defaults. */
887         loc = locations[0];
888         ha->flt_region_fw = def_fw[def];
889         ha->flt_region_boot = def_boot[def];
890         ha->flt_region_vpd_nvram = def_vpd_nvram[def];
891         ha->flt_region_vpd = (ha->port_no == 0) ?
892             def_vpd0[def] : def_vpd1[def];
893         ha->flt_region_nvram = (ha->port_no == 0) ?
894             def_nvram0[def] : def_nvram1[def];
895         ha->flt_region_fdt = def_fdt[def];
896         ha->flt_region_npiv_conf = (ha->port_no == 0) ?
897             def_npiv_conf0[def] : def_npiv_conf1[def];
898 done:
899         ql_dbg(ql_dbg_init, vha, 0x004a,
900             "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
901             "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
902             loc, ha->flt_region_boot, ha->flt_region_fw,
903             ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
904             ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
905             ha->flt_region_fcp_prio);
906 }
907
908 static void
909 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
910 {
911 #define FLASH_BLK_SIZE_4K       0x1000
912 #define FLASH_BLK_SIZE_32K      0x8000
913 #define FLASH_BLK_SIZE_64K      0x10000
914         const char *loc, *locations[] = { "MID", "FDT" };
915         uint16_t cnt, chksum;
916         uint16_t *wptr;
917         struct qla_fdt_layout *fdt;
918         uint8_t man_id, flash_id;
919         uint16_t mid = 0, fid = 0;
920         struct qla_hw_data *ha = vha->hw;
921         struct req_que *req = ha->req_q_map[0];
922
923         wptr = (uint16_t *)req->ring;
924         fdt = (struct qla_fdt_layout *)req->ring;
925         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
926             ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
927         if (*wptr == cpu_to_le16(0xffff))
928                 goto no_flash_data;
929         if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
930             fdt->sig[3] != 'D')
931                 goto no_flash_data;
932
933         for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
934                 chksum += le16_to_cpu(*wptr);
935         if (chksum) {
936                 ql_dbg(ql_dbg_init, vha, 0x004c,
937                     "Inconsistent FDT detected:"
938                     " checksum=0x%x id=%c version0x%x.\n", chksum,
939                     fdt->sig[0], le16_to_cpu(fdt->version));
940                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
941                     (uint8_t *)fdt, sizeof(*fdt));
942                 goto no_flash_data;
943         }
944
945         loc = locations[1];
946         mid = le16_to_cpu(fdt->man_id);
947         fid = le16_to_cpu(fdt->id);
948         ha->fdt_wrt_disable = fdt->wrt_disable_bits;
949         ha->fdt_wrt_enable = fdt->wrt_enable_bits;
950         ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
951         if (IS_QLA8044(ha))
952                 ha->fdt_erase_cmd = fdt->erase_cmd;
953         else
954                 ha->fdt_erase_cmd =
955                     flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
956         ha->fdt_block_size = le32_to_cpu(fdt->block_size);
957         if (fdt->unprotect_sec_cmd) {
958                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
959                     fdt->unprotect_sec_cmd);
960                 ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
961                     flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd):
962                     flash_conf_addr(ha, 0x0336);
963         }
964         goto done;
965 no_flash_data:
966         loc = locations[0];
967         if (IS_P3P_TYPE(ha)) {
968                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
969                 goto done;
970         }
971         qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
972         mid = man_id;
973         fid = flash_id;
974         ha->fdt_wrt_disable = 0x9c;
975         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
976         switch (man_id) {
977         case 0xbf: /* STT flash. */
978                 if (flash_id == 0x8e)
979                         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
980                 else
981                         ha->fdt_block_size = FLASH_BLK_SIZE_32K;
982
983                 if (flash_id == 0x80)
984                         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
985                 break;
986         case 0x13: /* ST M25P80. */
987                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
988                 break;
989         case 0x1f: /* Atmel 26DF081A. */
990                 ha->fdt_block_size = FLASH_BLK_SIZE_4K;
991                 ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
992                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
993                 ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
994                 break;
995         default:
996                 /* Default to 64 kb sector size. */
997                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
998                 break;
999         }
1000 done:
1001         ql_dbg(ql_dbg_init, vha, 0x004d,
1002             "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1003             "pr=%x wrtd=0x%x blk=0x%x.\n",
1004             loc, mid, fid,
1005             ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1006             ha->fdt_wrt_disable, ha->fdt_block_size);
1007
1008 }
1009
1010 static void
1011 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1012 {
1013 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1014         uint32_t *wptr;
1015         struct qla_hw_data *ha = vha->hw;
1016         struct req_que *req = ha->req_q_map[0];
1017
1018         if (!(IS_P3P_TYPE(ha)))
1019                 return;
1020
1021         wptr = (uint32_t *)req->ring;
1022         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
1023                 QLA82XX_IDC_PARAM_ADDR , 8);
1024
1025         if (*wptr == cpu_to_le32(0xffffffff)) {
1026                 ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1027                 ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1028         } else {
1029                 ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1030                 wptr++;
1031                 ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1032         }
1033         ql_dbg(ql_dbg_init, vha, 0x004e,
1034             "fcoe_dev_init_timeout=%d "
1035             "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1036             ha->fcoe_reset_timeout);
1037         return;
1038 }
1039
1040 int
1041 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1042 {
1043         int ret;
1044         uint32_t flt_addr;
1045         struct qla_hw_data *ha = vha->hw;
1046
1047         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1048             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLA27XX(ha))
1049                 return QLA_SUCCESS;
1050
1051         ret = qla2xxx_find_flt_start(vha, &flt_addr);
1052         if (ret != QLA_SUCCESS)
1053                 return ret;
1054
1055         qla2xxx_get_flt_info(vha, flt_addr);
1056         qla2xxx_get_fdt_info(vha);
1057         qla2xxx_get_idc_param(vha);
1058
1059         return QLA_SUCCESS;
1060 }
1061
1062 void
1063 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1064 {
1065 #define NPIV_CONFIG_SIZE        (16*1024)
1066         void *data;
1067         uint16_t *wptr;
1068         uint16_t cnt, chksum;
1069         int i;
1070         struct qla_npiv_header hdr;
1071         struct qla_npiv_entry *entry;
1072         struct qla_hw_data *ha = vha->hw;
1073
1074         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1075             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1076                 return;
1077
1078         if (ha->flags.nic_core_reset_hdlr_active)
1079                 return;
1080
1081         if (IS_QLA8044(ha))
1082                 return;
1083
1084         ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
1085             ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
1086         if (hdr.version == cpu_to_le16(0xffff))
1087                 return;
1088         if (hdr.version != cpu_to_le16(1)) {
1089                 ql_dbg(ql_dbg_user, vha, 0x7090,
1090                     "Unsupported NPIV-Config "
1091                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1092                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1093                     le16_to_cpu(hdr.checksum));
1094                 return;
1095         }
1096
1097         data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1098         if (!data) {
1099                 ql_log(ql_log_warn, vha, 0x7091,
1100                     "Unable to allocate memory for data.\n");
1101                 return;
1102         }
1103
1104         ha->isp_ops->read_optrom(vha, (uint8_t *)data,
1105             ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
1106
1107         cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1108         for (wptr = data, chksum = 0; cnt--; wptr++)
1109                 chksum += le16_to_cpu(*wptr);
1110         if (chksum) {
1111                 ql_dbg(ql_dbg_user, vha, 0x7092,
1112                     "Inconsistent NPIV-Config "
1113                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1114                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1115                     le16_to_cpu(hdr.checksum));
1116                 goto done;
1117         }
1118
1119         entry = data + sizeof(struct qla_npiv_header);
1120         cnt = le16_to_cpu(hdr.entries);
1121         for (i = 0; cnt; cnt--, entry++, i++) {
1122                 uint16_t flags;
1123                 struct fc_vport_identifiers vid;
1124                 struct fc_vport *vport;
1125
1126                 memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1127
1128                 flags = le16_to_cpu(entry->flags);
1129                 if (flags == 0xffff)
1130                         continue;
1131                 if ((flags & BIT_0) == 0)
1132                         continue;
1133
1134                 memset(&vid, 0, sizeof(vid));
1135                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1136                 vid.vport_type = FC_PORTTYPE_NPIV;
1137                 vid.disable = false;
1138                 vid.port_name = wwn_to_u64(entry->port_name);
1139                 vid.node_name = wwn_to_u64(entry->node_name);
1140
1141                 ql_dbg(ql_dbg_user, vha, 0x7093,
1142                     "NPIV[%02x]: wwpn=%llx "
1143                     "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
1144                     (unsigned long long)vid.port_name,
1145                     (unsigned long long)vid.node_name,
1146                     le16_to_cpu(entry->vf_id),
1147                     entry->q_qos, entry->f_qos);
1148
1149                 if (i < QLA_PRECONFIG_VPORTS) {
1150                         vport = fc_vport_create(vha->host, 0, &vid);
1151                         if (!vport)
1152                                 ql_log(ql_log_warn, vha, 0x7094,
1153                                     "NPIV-Config Failed to create vport [%02x]: "
1154                                     "wwpn=%llx wwnn=%llx.\n", cnt,
1155                                     (unsigned long long)vid.port_name,
1156                                     (unsigned long long)vid.node_name);
1157                 }
1158         }
1159 done:
1160         kfree(data);
1161 }
1162
1163 static int
1164 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1165 {
1166         struct qla_hw_data *ha = vha->hw;
1167         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1168
1169         if (ha->flags.fac_supported)
1170                 return qla81xx_fac_do_write_enable(vha, 1);
1171
1172         /* Enable flash write. */
1173         WRT_REG_DWORD(&reg->ctrl_status,
1174             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1175         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1176
1177         if (!ha->fdt_wrt_disable)
1178                 goto done;
1179
1180         /* Disable flash write-protection, first clear SR protection bit */
1181         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1182         /* Then write zero again to clear remaining SR bits.*/
1183         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1184 done:
1185         return QLA_SUCCESS;
1186 }
1187
1188 static int
1189 qla24xx_protect_flash(scsi_qla_host_t *vha)
1190 {
1191         uint32_t cnt;
1192         struct qla_hw_data *ha = vha->hw;
1193         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1194
1195         if (ha->flags.fac_supported)
1196                 return qla81xx_fac_do_write_enable(vha, 0);
1197
1198         if (!ha->fdt_wrt_disable)
1199                 goto skip_wrt_protect;
1200
1201         /* Enable flash write-protection and wait for completion. */
1202         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
1203             ha->fdt_wrt_disable);
1204         for (cnt = 300; cnt &&
1205             qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
1206             cnt--) {
1207                 udelay(10);
1208         }
1209
1210 skip_wrt_protect:
1211         /* Disable flash write. */
1212         WRT_REG_DWORD(&reg->ctrl_status,
1213             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1214         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1215
1216         return QLA_SUCCESS;
1217 }
1218
1219 static int
1220 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1221 {
1222         struct qla_hw_data *ha = vha->hw;
1223         uint32_t start, finish;
1224
1225         if (ha->flags.fac_supported) {
1226                 start = fdata >> 2;
1227                 finish = start + (ha->fdt_block_size >> 2) - 1;
1228                 return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1229                     start), flash_data_addr(ha, finish));
1230         }
1231
1232         return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1233             (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1234             ((fdata >> 16) & 0xff));
1235 }
1236
1237 static int
1238 qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1239     uint32_t dwords)
1240 {
1241         int ret;
1242         uint32_t liter;
1243         uint32_t sec_mask, rest_addr;
1244         uint32_t fdata;
1245         dma_addr_t optrom_dma;
1246         void *optrom = NULL;
1247         struct qla_hw_data *ha = vha->hw;
1248
1249         /* Prepare burst-capable write on supported ISPs. */
1250         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
1251             IS_QLA27XX(ha)) &&
1252             !(faddr & 0xfff) && dwords > OPTROM_BURST_DWORDS) {
1253                 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1254                     &optrom_dma, GFP_KERNEL);
1255                 if (!optrom) {
1256                         ql_log(ql_log_warn, vha, 0x7095,
1257                             "Unable to allocate "
1258                             "memory for optrom burst write (%x KB).\n",
1259                             OPTROM_BURST_SIZE / 1024);
1260                 }
1261         }
1262
1263         rest_addr = (ha->fdt_block_size >> 2) - 1;
1264         sec_mask = ~rest_addr;
1265
1266         ret = qla24xx_unprotect_flash(vha);
1267         if (ret != QLA_SUCCESS) {
1268                 ql_log(ql_log_warn, vha, 0x7096,
1269                     "Unable to unprotect flash for update.\n");
1270                 goto done;
1271         }
1272
1273         for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1274                 fdata = (faddr & sec_mask) << 2;
1275
1276                 /* Are we at the beginning of a sector? */
1277                 if ((faddr & rest_addr) == 0) {
1278                         /* Do sector unprotect. */
1279                         if (ha->fdt_unprotect_sec_cmd)
1280                                 qla24xx_write_flash_dword(ha,
1281                                     ha->fdt_unprotect_sec_cmd,
1282                                     (fdata & 0xff00) | ((fdata << 16) &
1283                                     0xff0000) | ((fdata >> 16) & 0xff));
1284                         ret = qla24xx_erase_sector(vha, fdata);
1285                         if (ret != QLA_SUCCESS) {
1286                                 ql_dbg(ql_dbg_user, vha, 0x7007,
1287                                     "Unable to erase erase sector: address=%x.\n",
1288                                     faddr);
1289                                 break;
1290                         }
1291                 }
1292
1293                 /* Go with burst-write. */
1294                 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
1295                         /* Copy data to DMA'ble buffer. */
1296                         memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
1297
1298                         ret = qla2x00_load_ram(vha, optrom_dma,
1299                             flash_data_addr(ha, faddr),
1300                             OPTROM_BURST_DWORDS);
1301                         if (ret != QLA_SUCCESS) {
1302                                 ql_log(ql_log_warn, vha, 0x7097,
1303                                     "Unable to burst-write optrom segment "
1304                                     "(%x/%x/%llx).\n", ret,
1305                                     flash_data_addr(ha, faddr),
1306                                     (unsigned long long)optrom_dma);
1307                                 ql_log(ql_log_warn, vha, 0x7098,
1308                                     "Reverting to slow-write.\n");
1309
1310                                 dma_free_coherent(&ha->pdev->dev,
1311                                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1312                                 optrom = NULL;
1313                         } else {
1314                                 liter += OPTROM_BURST_DWORDS - 1;
1315                                 faddr += OPTROM_BURST_DWORDS - 1;
1316                                 dwptr += OPTROM_BURST_DWORDS - 1;
1317                                 continue;
1318                         }
1319                 }
1320
1321                 ret = qla24xx_write_flash_dword(ha,
1322                     flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1323                 if (ret != QLA_SUCCESS) {
1324                         ql_dbg(ql_dbg_user, vha, 0x7006,
1325                             "Unable to program flash address=%x data=%x.\n",
1326                             faddr, *dwptr);
1327                         break;
1328                 }
1329
1330                 /* Do sector protect. */
1331                 if (ha->fdt_unprotect_sec_cmd &&
1332                     ((faddr & rest_addr) == rest_addr))
1333                         qla24xx_write_flash_dword(ha,
1334                             ha->fdt_protect_sec_cmd,
1335                             (fdata & 0xff00) | ((fdata << 16) &
1336                             0xff0000) | ((fdata >> 16) & 0xff));
1337         }
1338
1339         ret = qla24xx_protect_flash(vha);
1340         if (ret != QLA_SUCCESS)
1341                 ql_log(ql_log_warn, vha, 0x7099,
1342                     "Unable to protect flash after update.\n");
1343 done:
1344         if (optrom)
1345                 dma_free_coherent(&ha->pdev->dev,
1346                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1347
1348         return ret;
1349 }
1350
1351 uint8_t *
1352 qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1353     uint32_t bytes)
1354 {
1355         uint32_t i;
1356         uint16_t *wptr;
1357         struct qla_hw_data *ha = vha->hw;
1358
1359         /* Word reads to NVRAM via registers. */
1360         wptr = (uint16_t *)buf;
1361         qla2x00_lock_nvram_access(ha);
1362         for (i = 0; i < bytes >> 1; i++, naddr++)
1363                 wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1364                     naddr));
1365         qla2x00_unlock_nvram_access(ha);
1366
1367         return buf;
1368 }
1369
1370 uint8_t *
1371 qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1372     uint32_t bytes)
1373 {
1374         uint32_t i;
1375         uint32_t *dwptr;
1376         struct qla_hw_data *ha = vha->hw;
1377
1378         if (IS_P3P_TYPE(ha))
1379                 return  buf;
1380
1381         /* Dword reads to flash. */
1382         dwptr = (uint32_t *)buf;
1383         for (i = 0; i < bytes >> 2; i++, naddr++)
1384                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1385                     nvram_data_addr(ha, naddr)));
1386
1387         return buf;
1388 }
1389
1390 int
1391 qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1392     uint32_t bytes)
1393 {
1394         int ret, stat;
1395         uint32_t i;
1396         uint16_t *wptr;
1397         unsigned long flags;
1398         struct qla_hw_data *ha = vha->hw;
1399
1400         ret = QLA_SUCCESS;
1401
1402         spin_lock_irqsave(&ha->hardware_lock, flags);
1403         qla2x00_lock_nvram_access(ha);
1404
1405         /* Disable NVRAM write-protection. */
1406         stat = qla2x00_clear_nvram_protection(ha);
1407
1408         wptr = (uint16_t *)buf;
1409         for (i = 0; i < bytes >> 1; i++, naddr++) {
1410                 qla2x00_write_nvram_word(ha, naddr,
1411                     cpu_to_le16(*wptr));
1412                 wptr++;
1413         }
1414
1415         /* Enable NVRAM write-protection. */
1416         qla2x00_set_nvram_protection(ha, stat);
1417
1418         qla2x00_unlock_nvram_access(ha);
1419         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1420
1421         return ret;
1422 }
1423
1424 int
1425 qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1426     uint32_t bytes)
1427 {
1428         int ret;
1429         uint32_t i;
1430         uint32_t *dwptr;
1431         struct qla_hw_data *ha = vha->hw;
1432         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1433
1434         ret = QLA_SUCCESS;
1435
1436         if (IS_P3P_TYPE(ha))
1437                 return ret;
1438
1439         /* Enable flash write. */
1440         WRT_REG_DWORD(&reg->ctrl_status,
1441             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1442         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1443
1444         /* Disable NVRAM write-protection. */
1445         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1446         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1447
1448         /* Dword writes to flash. */
1449         dwptr = (uint32_t *)buf;
1450         for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
1451                 ret = qla24xx_write_flash_dword(ha,
1452                     nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
1453                 if (ret != QLA_SUCCESS) {
1454                         ql_dbg(ql_dbg_user, vha, 0x709a,
1455                             "Unable to program nvram address=%x data=%x.\n",
1456                             naddr, *dwptr);
1457                         break;
1458                 }
1459         }
1460
1461         /* Enable NVRAM write-protection. */
1462         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1463
1464         /* Disable flash write. */
1465         WRT_REG_DWORD(&reg->ctrl_status,
1466             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1467         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1468
1469         return ret;
1470 }
1471
1472 uint8_t *
1473 qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1474     uint32_t bytes)
1475 {
1476         uint32_t i;
1477         uint32_t *dwptr;
1478         struct qla_hw_data *ha = vha->hw;
1479
1480         /* Dword reads to flash. */
1481         dwptr = (uint32_t *)buf;
1482         for (i = 0; i < bytes >> 2; i++, naddr++)
1483                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1484                     flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
1485
1486         return buf;
1487 }
1488
1489 int
1490 qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1491     uint32_t bytes)
1492 {
1493         struct qla_hw_data *ha = vha->hw;
1494 #define RMW_BUFFER_SIZE (64 * 1024)
1495         uint8_t *dbuf;
1496
1497         dbuf = vmalloc(RMW_BUFFER_SIZE);
1498         if (!dbuf)
1499                 return QLA_MEMORY_ALLOC_FAILED;
1500         ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1501             RMW_BUFFER_SIZE);
1502         memcpy(dbuf + (naddr << 2), buf, bytes);
1503         ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1504             RMW_BUFFER_SIZE);
1505         vfree(dbuf);
1506
1507         return QLA_SUCCESS;
1508 }
1509
1510 static inline void
1511 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1512 {
1513         if (IS_QLA2322(ha)) {
1514                 /* Flip all colors. */
1515                 if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1516                         /* Turn off. */
1517                         ha->beacon_color_state = 0;
1518                         *pflags = GPIO_LED_ALL_OFF;
1519                 } else {
1520                         /* Turn on. */
1521                         ha->beacon_color_state = QLA_LED_ALL_ON;
1522                         *pflags = GPIO_LED_RGA_ON;
1523                 }
1524         } else {
1525                 /* Flip green led only. */
1526                 if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1527                         /* Turn off. */
1528                         ha->beacon_color_state = 0;
1529                         *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1530                 } else {
1531                         /* Turn on. */
1532                         ha->beacon_color_state = QLA_LED_GRN_ON;
1533                         *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1534                 }
1535         }
1536 }
1537
1538 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1539
1540 void
1541 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1542 {
1543         uint16_t gpio_enable;
1544         uint16_t gpio_data;
1545         uint16_t led_color = 0;
1546         unsigned long flags;
1547         struct qla_hw_data *ha = vha->hw;
1548         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1549
1550         if (IS_P3P_TYPE(ha))
1551                 return;
1552
1553         spin_lock_irqsave(&ha->hardware_lock, flags);
1554
1555         /* Save the Original GPIOE. */
1556         if (ha->pio_address) {
1557                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1558                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1559         } else {
1560                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1561                 gpio_data = RD_REG_WORD(&reg->gpiod);
1562         }
1563
1564         /* Set the modified gpio_enable values */
1565         gpio_enable |= GPIO_LED_MASK;
1566
1567         if (ha->pio_address) {
1568                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1569         } else {
1570                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1571                 RD_REG_WORD(&reg->gpioe);
1572         }
1573
1574         qla2x00_flip_colors(ha, &led_color);
1575
1576         /* Clear out any previously set LED color. */
1577         gpio_data &= ~GPIO_LED_MASK;
1578
1579         /* Set the new input LED color to GPIOD. */
1580         gpio_data |= led_color;
1581
1582         /* Set the modified gpio_data values */
1583         if (ha->pio_address) {
1584                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1585         } else {
1586                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1587                 RD_REG_WORD(&reg->gpiod);
1588         }
1589
1590         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1591 }
1592
1593 int
1594 qla2x00_beacon_on(struct scsi_qla_host *vha)
1595 {
1596         uint16_t gpio_enable;
1597         uint16_t gpio_data;
1598         unsigned long flags;
1599         struct qla_hw_data *ha = vha->hw;
1600         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1601
1602         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1603         ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1604
1605         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1606                 ql_log(ql_log_warn, vha, 0x709b,
1607                     "Unable to update fw options (beacon on).\n");
1608                 return QLA_FUNCTION_FAILED;
1609         }
1610
1611         /* Turn off LEDs. */
1612         spin_lock_irqsave(&ha->hardware_lock, flags);
1613         if (ha->pio_address) {
1614                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1615                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1616         } else {
1617                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1618                 gpio_data = RD_REG_WORD(&reg->gpiod);
1619         }
1620         gpio_enable |= GPIO_LED_MASK;
1621
1622         /* Set the modified gpio_enable values. */
1623         if (ha->pio_address) {
1624                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1625         } else {
1626                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1627                 RD_REG_WORD(&reg->gpioe);
1628         }
1629
1630         /* Clear out previously set LED colour. */
1631         gpio_data &= ~GPIO_LED_MASK;
1632         if (ha->pio_address) {
1633                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1634         } else {
1635                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1636                 RD_REG_WORD(&reg->gpiod);
1637         }
1638         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1639
1640         /*
1641          * Let the per HBA timer kick off the blinking process based on
1642          * the following flags. No need to do anything else now.
1643          */
1644         ha->beacon_blink_led = 1;
1645         ha->beacon_color_state = 0;
1646
1647         return QLA_SUCCESS;
1648 }
1649
1650 int
1651 qla2x00_beacon_off(struct scsi_qla_host *vha)
1652 {
1653         int rval = QLA_SUCCESS;
1654         struct qla_hw_data *ha = vha->hw;
1655
1656         ha->beacon_blink_led = 0;
1657
1658         /* Set the on flag so when it gets flipped it will be off. */
1659         if (IS_QLA2322(ha))
1660                 ha->beacon_color_state = QLA_LED_ALL_ON;
1661         else
1662                 ha->beacon_color_state = QLA_LED_GRN_ON;
1663
1664         ha->isp_ops->beacon_blink(vha); /* This turns green LED off */
1665
1666         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1667         ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1668
1669         rval = qla2x00_set_fw_options(vha, ha->fw_options);
1670         if (rval != QLA_SUCCESS)
1671                 ql_log(ql_log_warn, vha, 0x709c,
1672                     "Unable to update fw options (beacon off).\n");
1673         return rval;
1674 }
1675
1676
1677 static inline void
1678 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1679 {
1680         /* Flip all colors. */
1681         if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1682                 /* Turn off. */
1683                 ha->beacon_color_state = 0;
1684                 *pflags = 0;
1685         } else {
1686                 /* Turn on. */
1687                 ha->beacon_color_state = QLA_LED_ALL_ON;
1688                 *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1689         }
1690 }
1691
1692 void
1693 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1694 {
1695         uint16_t led_color = 0;
1696         uint32_t gpio_data;
1697         unsigned long flags;
1698         struct qla_hw_data *ha = vha->hw;
1699         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1700
1701         /* Save the Original GPIOD. */
1702         spin_lock_irqsave(&ha->hardware_lock, flags);
1703         gpio_data = RD_REG_DWORD(&reg->gpiod);
1704
1705         /* Enable the gpio_data reg for update. */
1706         gpio_data |= GPDX_LED_UPDATE_MASK;
1707
1708         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1709         gpio_data = RD_REG_DWORD(&reg->gpiod);
1710
1711         /* Set the color bits. */
1712         qla24xx_flip_colors(ha, &led_color);
1713
1714         /* Clear out any previously set LED color. */
1715         gpio_data &= ~GPDX_LED_COLOR_MASK;
1716
1717         /* Set the new input LED color to GPIOD. */
1718         gpio_data |= led_color;
1719
1720         /* Set the modified gpio_data values. */
1721         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1722         gpio_data = RD_REG_DWORD(&reg->gpiod);
1723         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1724 }
1725
1726 static uint32_t
1727 qla83xx_select_led_port(struct qla_hw_data *ha)
1728 {
1729         uint32_t led_select_value = 0;
1730
1731         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1732                 goto out;
1733
1734         if (ha->port_no == 0)
1735                 led_select_value = QLA83XX_LED_PORT0;
1736         else
1737                 led_select_value = QLA83XX_LED_PORT1;
1738
1739 out:
1740         return led_select_value;
1741 }
1742
1743 void
1744 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1745 {
1746         uint32_t led_select_value;
1747         struct qla_hw_data *ha = vha->hw;
1748         uint16_t led_cfg[6];
1749         uint16_t orig_led_cfg[6];
1750         uint32_t led_10_value, led_43_value;
1751
1752         if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha))
1753                 return;
1754
1755         if (!ha->beacon_blink_led)
1756                 return;
1757
1758         if (IS_QLA27XX(ha)) {
1759                 qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1760                 qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1761         } else if (IS_QLA2031(ha)) {
1762                 led_select_value = qla83xx_select_led_port(ha);
1763
1764                 qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1765                 qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1766         } else if (IS_QLA8031(ha)) {
1767                 led_select_value = qla83xx_select_led_port(ha);
1768
1769                 qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1770                 qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1771                 qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1772                 msleep(500);
1773                 qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1774                 msleep(1000);
1775                 qla83xx_wr_reg(vha, led_select_value, led_10_value);
1776                 qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1777         } else if (IS_QLA81XX(ha)) {
1778                 int rval;
1779
1780                 /* Save Current */
1781                 rval = qla81xx_get_led_config(vha, orig_led_cfg);
1782                 /* Do the blink */
1783                 if (rval == QLA_SUCCESS) {
1784                         if (IS_QLA81XX(ha)) {
1785                                 led_cfg[0] = 0x4000;
1786                                 led_cfg[1] = 0x2000;
1787                                 led_cfg[2] = 0;
1788                                 led_cfg[3] = 0;
1789                                 led_cfg[4] = 0;
1790                                 led_cfg[5] = 0;
1791                         } else {
1792                                 led_cfg[0] = 0x4000;
1793                                 led_cfg[1] = 0x4000;
1794                                 led_cfg[2] = 0x4000;
1795                                 led_cfg[3] = 0x2000;
1796                                 led_cfg[4] = 0;
1797                                 led_cfg[5] = 0x2000;
1798                         }
1799                         rval = qla81xx_set_led_config(vha, led_cfg);
1800                         msleep(1000);
1801                         if (IS_QLA81XX(ha)) {
1802                                 led_cfg[0] = 0x4000;
1803                                 led_cfg[1] = 0x2000;
1804                                 led_cfg[2] = 0;
1805                         } else {
1806                                 led_cfg[0] = 0x4000;
1807                                 led_cfg[1] = 0x2000;
1808                                 led_cfg[2] = 0x4000;
1809                                 led_cfg[3] = 0x4000;
1810                                 led_cfg[4] = 0;
1811                                 led_cfg[5] = 0x2000;
1812                         }
1813                         rval = qla81xx_set_led_config(vha, led_cfg);
1814                 }
1815                 /* On exit, restore original (presumes no status change) */
1816                 qla81xx_set_led_config(vha, orig_led_cfg);
1817         }
1818 }
1819
1820 int
1821 qla24xx_beacon_on(struct scsi_qla_host *vha)
1822 {
1823         uint32_t gpio_data;
1824         unsigned long flags;
1825         struct qla_hw_data *ha = vha->hw;
1826         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1827
1828         if (IS_P3P_TYPE(ha))
1829                 return QLA_SUCCESS;
1830
1831         if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1832                 goto skip_gpio; /* let blink handle it */
1833
1834         if (ha->beacon_blink_led == 0) {
1835                 /* Enable firmware for update */
1836                 ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1837
1838                 if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1839                         return QLA_FUNCTION_FAILED;
1840
1841                 if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1842                     QLA_SUCCESS) {
1843                         ql_log(ql_log_warn, vha, 0x7009,
1844                             "Unable to update fw options (beacon on).\n");
1845                         return QLA_FUNCTION_FAILED;
1846                 }
1847
1848                 if (IS_QLA2031(ha) || IS_QLA27XX(ha))
1849                         goto skip_gpio;
1850
1851                 spin_lock_irqsave(&ha->hardware_lock, flags);
1852                 gpio_data = RD_REG_DWORD(&reg->gpiod);
1853
1854                 /* Enable the gpio_data reg for update. */
1855                 gpio_data |= GPDX_LED_UPDATE_MASK;
1856                 WRT_REG_DWORD(&reg->gpiod, gpio_data);
1857                 RD_REG_DWORD(&reg->gpiod);
1858
1859                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1860         }
1861
1862         /* So all colors blink together. */
1863         ha->beacon_color_state = 0;
1864
1865 skip_gpio:
1866         /* Let the per HBA timer kick off the blinking process. */
1867         ha->beacon_blink_led = 1;
1868
1869         return QLA_SUCCESS;
1870 }
1871
1872 int
1873 qla24xx_beacon_off(struct scsi_qla_host *vha)
1874 {
1875         uint32_t gpio_data;
1876         unsigned long flags;
1877         struct qla_hw_data *ha = vha->hw;
1878         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1879
1880         if (IS_P3P_TYPE(ha))
1881                 return QLA_SUCCESS;
1882
1883         if (!ha->flags.fw_started)
1884                 return QLA_SUCCESS;
1885
1886         ha->beacon_blink_led = 0;
1887
1888         if (IS_QLA2031(ha) || IS_QLA27XX(ha))
1889                 goto set_fw_options;
1890
1891         if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1892                 return QLA_SUCCESS;
1893
1894         ha->beacon_color_state = QLA_LED_ALL_ON;
1895
1896         ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */
1897
1898         /* Give control back to firmware. */
1899         spin_lock_irqsave(&ha->hardware_lock, flags);
1900         gpio_data = RD_REG_DWORD(&reg->gpiod);
1901
1902         /* Disable the gpio_data reg for update. */
1903         gpio_data &= ~GPDX_LED_UPDATE_MASK;
1904         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1905         RD_REG_DWORD(&reg->gpiod);
1906         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1907
1908 set_fw_options:
1909         ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1910
1911         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1912                 ql_log(ql_log_warn, vha, 0x704d,
1913                     "Unable to update fw options (beacon on).\n");
1914                 return QLA_FUNCTION_FAILED;
1915         }
1916
1917         if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1918                 ql_log(ql_log_warn, vha, 0x704e,
1919                     "Unable to update fw options (beacon on).\n");
1920                 return QLA_FUNCTION_FAILED;
1921         }
1922
1923         return QLA_SUCCESS;
1924 }
1925
1926
1927 /*
1928  * Flash support routines
1929  */
1930
1931 /**
1932  * qla2x00_flash_enable() - Setup flash for reading and writing.
1933  * @ha: HA context
1934  */
1935 static void
1936 qla2x00_flash_enable(struct qla_hw_data *ha)
1937 {
1938         uint16_t data;
1939         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1940
1941         data = RD_REG_WORD(&reg->ctrl_status);
1942         data |= CSR_FLASH_ENABLE;
1943         WRT_REG_WORD(&reg->ctrl_status, data);
1944         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1945 }
1946
1947 /**
1948  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1949  * @ha: HA context
1950  */
1951 static void
1952 qla2x00_flash_disable(struct qla_hw_data *ha)
1953 {
1954         uint16_t data;
1955         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1956
1957         data = RD_REG_WORD(&reg->ctrl_status);
1958         data &= ~(CSR_FLASH_ENABLE);
1959         WRT_REG_WORD(&reg->ctrl_status, data);
1960         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1961 }
1962
1963 /**
1964  * qla2x00_read_flash_byte() - Reads a byte from flash
1965  * @ha: HA context
1966  * @addr: Address in flash to read
1967  *
1968  * A word is read from the chip, but, only the lower byte is valid.
1969  *
1970  * Returns the byte read from flash @addr.
1971  */
1972 static uint8_t
1973 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
1974 {
1975         uint16_t data;
1976         uint16_t bank_select;
1977         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1978
1979         bank_select = RD_REG_WORD(&reg->ctrl_status);
1980
1981         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1982                 /* Specify 64K address range: */
1983                 /*  clear out Module Select and Flash Address bits [19:16]. */
1984                 bank_select &= ~0xf8;
1985                 bank_select |= addr >> 12 & 0xf0;
1986                 bank_select |= CSR_FLASH_64K_BANK;
1987                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1988                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1989
1990                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1991                 data = RD_REG_WORD(&reg->flash_data);
1992
1993                 return (uint8_t)data;
1994         }
1995
1996         /* Setup bit 16 of flash address. */
1997         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1998                 bank_select |= CSR_FLASH_64K_BANK;
1999                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
2000                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2001         } else if (((addr & BIT_16) == 0) &&
2002             (bank_select & CSR_FLASH_64K_BANK)) {
2003                 bank_select &= ~(CSR_FLASH_64K_BANK);
2004                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
2005                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2006         }
2007
2008         /* Always perform IO mapped accesses to the FLASH registers. */
2009         if (ha->pio_address) {
2010                 uint16_t data2;
2011
2012                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2013                 do {
2014                         data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2015                         barrier();
2016                         cpu_relax();
2017                         data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2018                 } while (data != data2);
2019         } else {
2020                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2021                 data = qla2x00_debounce_register(&reg->flash_data);
2022         }
2023
2024         return (uint8_t)data;
2025 }
2026
2027 /**
2028  * qla2x00_write_flash_byte() - Write a byte to flash
2029  * @ha: HA context
2030  * @addr: Address in flash to write
2031  * @data: Data to write
2032  */
2033 static void
2034 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2035 {
2036         uint16_t bank_select;
2037         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2038
2039         bank_select = RD_REG_WORD(&reg->ctrl_status);
2040         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2041                 /* Specify 64K address range: */
2042                 /*  clear out Module Select and Flash Address bits [19:16]. */
2043                 bank_select &= ~0xf8;
2044                 bank_select |= addr >> 12 & 0xf0;
2045                 bank_select |= CSR_FLASH_64K_BANK;
2046                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
2047                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2048
2049                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2050                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2051                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2052                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2053
2054                 return;
2055         }
2056
2057         /* Setup bit 16 of flash address. */
2058         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2059                 bank_select |= CSR_FLASH_64K_BANK;
2060                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
2061                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2062         } else if (((addr & BIT_16) == 0) &&
2063             (bank_select & CSR_FLASH_64K_BANK)) {
2064                 bank_select &= ~(CSR_FLASH_64K_BANK);
2065                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
2066                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
2067         }
2068
2069         /* Always perform IO mapped accesses to the FLASH registers. */
2070         if (ha->pio_address) {
2071                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2072                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2073         } else {
2074                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2075                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2076                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2077                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2078         }
2079 }
2080
2081 /**
2082  * qla2x00_poll_flash() - Polls flash for completion.
2083  * @ha: HA context
2084  * @addr: Address in flash to poll
2085  * @poll_data: Data to be polled
2086  * @man_id: Flash manufacturer ID
2087  * @flash_id: Flash ID
2088  *
2089  * This function polls the device until bit 7 of what is read matches data
2090  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2091  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2092  * reading bit 5 as a 1.
2093  *
2094  * Returns 0 on success, else non-zero.
2095  */
2096 static int
2097 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2098     uint8_t man_id, uint8_t flash_id)
2099 {
2100         int status;
2101         uint8_t flash_data;
2102         uint32_t cnt;
2103
2104         status = 1;
2105
2106         /* Wait for 30 seconds for command to finish. */
2107         poll_data &= BIT_7;
2108         for (cnt = 3000000; cnt; cnt--) {
2109                 flash_data = qla2x00_read_flash_byte(ha, addr);
2110                 if ((flash_data & BIT_7) == poll_data) {
2111                         status = 0;
2112                         break;
2113                 }
2114
2115                 if (man_id != 0x40 && man_id != 0xda) {
2116                         if ((flash_data & BIT_5) && cnt > 2)
2117                                 cnt = 2;
2118                 }
2119                 udelay(10);
2120                 barrier();
2121                 cond_resched();
2122         }
2123         return status;
2124 }
2125
2126 /**
2127  * qla2x00_program_flash_address() - Programs a flash address
2128  * @ha: HA context
2129  * @addr: Address in flash to program
2130  * @data: Data to be written in flash
2131  * @man_id: Flash manufacturer ID
2132  * @flash_id: Flash ID
2133  *
2134  * Returns 0 on success, else non-zero.
2135  */
2136 static int
2137 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2138     uint8_t data, uint8_t man_id, uint8_t flash_id)
2139 {
2140         /* Write Program Command Sequence. */
2141         if (IS_OEM_001(ha)) {
2142                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2143                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
2144                 qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2145                 qla2x00_write_flash_byte(ha, addr, data);
2146         } else {
2147                 if (man_id == 0xda && flash_id == 0xc1) {
2148                         qla2x00_write_flash_byte(ha, addr, data);
2149                         if (addr & 0x7e)
2150                                 return 0;
2151                 } else {
2152                         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2153                         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2154                         qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2155                         qla2x00_write_flash_byte(ha, addr, data);
2156                 }
2157         }
2158
2159         udelay(150);
2160
2161         /* Wait for write to complete. */
2162         return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2163 }
2164
2165 /**
2166  * qla2x00_erase_flash() - Erase the flash.
2167  * @ha: HA context
2168  * @man_id: Flash manufacturer ID
2169  * @flash_id: Flash ID
2170  *
2171  * Returns 0 on success, else non-zero.
2172  */
2173 static int
2174 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2175 {
2176         /* Individual Sector Erase Command Sequence */
2177         if (IS_OEM_001(ha)) {
2178                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2179                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
2180                 qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2181                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2182                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
2183                 qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2184         } else {
2185                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2186                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2187                 qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2188                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2189                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2190                 qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2191         }
2192
2193         udelay(150);
2194
2195         /* Wait for erase to complete. */
2196         return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2197 }
2198
2199 /**
2200  * qla2x00_erase_flash_sector() - Erase a flash sector.
2201  * @ha: HA context
2202  * @addr: Flash sector to erase
2203  * @sec_mask: Sector address mask
2204  * @man_id: Flash manufacturer ID
2205  * @flash_id: Flash ID
2206  *
2207  * Returns 0 on success, else non-zero.
2208  */
2209 static int
2210 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2211     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2212 {
2213         /* Individual Sector Erase Command Sequence */
2214         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2215         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2216         qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2217         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2218         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2219         if (man_id == 0x1f && flash_id == 0x13)
2220                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2221         else
2222                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2223
2224         udelay(150);
2225
2226         /* Wait for erase to complete. */
2227         return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2228 }
2229
2230 /**
2231  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2232  * @ha:
2233  * @man_id: Flash manufacturer ID
2234  * @flash_id: Flash ID
2235  */
2236 static void
2237 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2238     uint8_t *flash_id)
2239 {
2240         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2241         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2242         qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2243         *man_id = qla2x00_read_flash_byte(ha, 0x0000);
2244         *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2245         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2246         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2247         qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2248 }
2249
2250 static void
2251 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2252         uint32_t saddr, uint32_t length)
2253 {
2254         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2255         uint32_t midpoint, ilength;
2256         uint8_t data;
2257
2258         midpoint = length / 2;
2259
2260         WRT_REG_WORD(&reg->nvram, 0);
2261         RD_REG_WORD(&reg->nvram);
2262         for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2263                 if (ilength == midpoint) {
2264                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2265                         RD_REG_WORD(&reg->nvram);
2266                 }
2267                 data = qla2x00_read_flash_byte(ha, saddr);
2268                 if (saddr % 100)
2269                         udelay(10);
2270                 *tmp_buf = data;
2271                 cond_resched();
2272         }
2273 }
2274
2275 static inline void
2276 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2277 {
2278         int cnt;
2279         unsigned long flags;
2280         struct qla_hw_data *ha = vha->hw;
2281         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2282
2283         /* Suspend HBA. */
2284         scsi_block_requests(vha->host);
2285         ha->isp_ops->disable_intrs(ha);
2286         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2287
2288         /* Pause RISC. */
2289         spin_lock_irqsave(&ha->hardware_lock, flags);
2290         WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2291         RD_REG_WORD(&reg->hccr);
2292         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2293                 for (cnt = 0; cnt < 30000; cnt++) {
2294                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2295                                 break;
2296                         udelay(100);
2297                 }
2298         } else {
2299                 udelay(10);
2300         }
2301         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2302 }
2303
2304 static inline void
2305 qla2x00_resume_hba(struct scsi_qla_host *vha)
2306 {
2307         struct qla_hw_data *ha = vha->hw;
2308
2309         /* Resume HBA. */
2310         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2311         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2312         qla2xxx_wake_dpc(vha);
2313         qla2x00_wait_for_chip_reset(vha);
2314         scsi_unblock_requests(vha->host);
2315 }
2316
2317 uint8_t *
2318 qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2319     uint32_t offset, uint32_t length)
2320 {
2321         uint32_t addr, midpoint;
2322         uint8_t *data;
2323         struct qla_hw_data *ha = vha->hw;
2324         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2325
2326         /* Suspend HBA. */
2327         qla2x00_suspend_hba(vha);
2328
2329         /* Go with read. */
2330         midpoint = ha->optrom_size / 2;
2331
2332         qla2x00_flash_enable(ha);
2333         WRT_REG_WORD(&reg->nvram, 0);
2334         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
2335         for (addr = offset, data = buf; addr < length; addr++, data++) {
2336                 if (addr == midpoint) {
2337                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2338                         RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
2339                 }
2340
2341                 *data = qla2x00_read_flash_byte(ha, addr);
2342         }
2343         qla2x00_flash_disable(ha);
2344
2345         /* Resume HBA. */
2346         qla2x00_resume_hba(vha);
2347
2348         return buf;
2349 }
2350
2351 int
2352 qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2353     uint32_t offset, uint32_t length)
2354 {
2355
2356         int rval;
2357         uint8_t man_id, flash_id, sec_number, data;
2358         uint16_t wd;
2359         uint32_t addr, liter, sec_mask, rest_addr;
2360         struct qla_hw_data *ha = vha->hw;
2361         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2362
2363         /* Suspend HBA. */
2364         qla2x00_suspend_hba(vha);
2365
2366         rval = QLA_SUCCESS;
2367         sec_number = 0;
2368
2369         /* Reset ISP chip. */
2370         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2371         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2372
2373         /* Go with write. */
2374         qla2x00_flash_enable(ha);
2375         do {    /* Loop once to provide quick error exit */
2376                 /* Structure of flash memory based on manufacturer */
2377                 if (IS_OEM_001(ha)) {
2378                         /* OEM variant with special flash part. */
2379                         man_id = flash_id = 0;
2380                         rest_addr = 0xffff;
2381                         sec_mask   = 0x10000;
2382                         goto update_flash;
2383                 }
2384                 qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2385                 switch (man_id) {
2386                 case 0x20: /* ST flash. */
2387                         if (flash_id == 0xd2 || flash_id == 0xe3) {
2388                                 /*
2389                                  * ST m29w008at part - 64kb sector size with
2390                                  * 32kb,8kb,8kb,16kb sectors at memory address
2391                                  * 0xf0000.
2392                                  */
2393                                 rest_addr = 0xffff;
2394                                 sec_mask = 0x10000;
2395                                 break;
2396                         }
2397                         /*
2398                          * ST m29w010b part - 16kb sector size
2399                          * Default to 16kb sectors
2400                          */
2401                         rest_addr = 0x3fff;
2402                         sec_mask = 0x1c000;
2403                         break;
2404                 case 0x40: /* Mostel flash. */
2405                         /* Mostel v29c51001 part - 512 byte sector size. */
2406                         rest_addr = 0x1ff;
2407                         sec_mask = 0x1fe00;
2408                         break;
2409                 case 0xbf: /* SST flash. */
2410                         /* SST39sf10 part - 4kb sector size. */
2411                         rest_addr = 0xfff;
2412                         sec_mask = 0x1f000;
2413                         break;
2414                 case 0xda: /* Winbond flash. */
2415                         /* Winbond W29EE011 part - 256 byte sector size. */
2416                         rest_addr = 0x7f;
2417                         sec_mask = 0x1ff80;
2418                         break;
2419                 case 0xc2: /* Macronix flash. */
2420                         /* 64k sector size. */
2421                         if (flash_id == 0x38 || flash_id == 0x4f) {
2422                                 rest_addr = 0xffff;
2423                                 sec_mask = 0x10000;
2424                                 break;
2425                         }
2426                         /* Fall through... */
2427
2428                 case 0x1f: /* Atmel flash. */
2429                         /* 512k sector size. */
2430                         if (flash_id == 0x13) {
2431                                 rest_addr = 0x7fffffff;
2432                                 sec_mask =   0x80000000;
2433                                 break;
2434                         }
2435                         /* Fall through... */
2436
2437                 case 0x01: /* AMD flash. */
2438                         if (flash_id == 0x38 || flash_id == 0x40 ||
2439                             flash_id == 0x4f) {
2440                                 /* Am29LV081 part - 64kb sector size. */
2441                                 /* Am29LV002BT part - 64kb sector size. */
2442                                 rest_addr = 0xffff;
2443                                 sec_mask = 0x10000;
2444                                 break;
2445                         } else if (flash_id == 0x3e) {
2446                                 /*
2447                                  * Am29LV008b part - 64kb sector size with
2448                                  * 32kb,8kb,8kb,16kb sector at memory address
2449                                  * h0xf0000.
2450                                  */
2451                                 rest_addr = 0xffff;
2452                                 sec_mask = 0x10000;
2453                                 break;
2454                         } else if (flash_id == 0x20 || flash_id == 0x6e) {
2455                                 /*
2456                                  * Am29LV010 part or AM29f010 - 16kb sector
2457                                  * size.
2458                                  */
2459                                 rest_addr = 0x3fff;
2460                                 sec_mask = 0x1c000;
2461                                 break;
2462                         } else if (flash_id == 0x6d) {
2463                                 /* Am29LV001 part - 8kb sector size. */
2464                                 rest_addr = 0x1fff;
2465                                 sec_mask = 0x1e000;
2466                                 break;
2467                         }
2468                         /* fall through */
2469                 default:
2470                         /* Default to 16 kb sector size. */
2471                         rest_addr = 0x3fff;
2472                         sec_mask = 0x1c000;
2473                         break;
2474                 }
2475
2476 update_flash:
2477                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2478                         if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2479                                 rval = QLA_FUNCTION_FAILED;
2480                                 break;
2481                         }
2482                 }
2483
2484                 for (addr = offset, liter = 0; liter < length; liter++,
2485                     addr++) {
2486                         data = buf[liter];
2487                         /* Are we at the beginning of a sector? */
2488                         if ((addr & rest_addr) == 0) {
2489                                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2490                                         if (addr >= 0x10000UL) {
2491                                                 if (((addr >> 12) & 0xf0) &&
2492                                                     ((man_id == 0x01 &&
2493                                                         flash_id == 0x3e) ||
2494                                                      (man_id == 0x20 &&
2495                                                          flash_id == 0xd2))) {
2496                                                         sec_number++;
2497                                                         if (sec_number == 1) {
2498                                                                 rest_addr =
2499                                                                     0x7fff;
2500                                                                 sec_mask =
2501                                                                     0x18000;
2502                                                         } else if (
2503                                                             sec_number == 2 ||
2504                                                             sec_number == 3) {
2505                                                                 rest_addr =
2506                                                                     0x1fff;
2507                                                                 sec_mask =
2508                                                                     0x1e000;
2509                                                         } else if (
2510                                                             sec_number == 4) {
2511                                                                 rest_addr =
2512                                                                     0x3fff;
2513                                                                 sec_mask =
2514                                                                     0x1c000;
2515                                                         }
2516                                                 }
2517                                         }
2518                                 } else if (addr == ha->optrom_size / 2) {
2519                                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2520                                         RD_REG_WORD(&reg->nvram);
2521                                 }
2522
2523                                 if (flash_id == 0xda && man_id == 0xc1) {
2524                                         qla2x00_write_flash_byte(ha, 0x5555,
2525                                             0xaa);
2526                                         qla2x00_write_flash_byte(ha, 0x2aaa,
2527                                             0x55);
2528                                         qla2x00_write_flash_byte(ha, 0x5555,
2529                                             0xa0);
2530                                 } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2531                                         /* Then erase it */
2532                                         if (qla2x00_erase_flash_sector(ha,
2533                                             addr, sec_mask, man_id,
2534                                             flash_id)) {
2535                                                 rval = QLA_FUNCTION_FAILED;
2536                                                 break;
2537                                         }
2538                                         if (man_id == 0x01 && flash_id == 0x6d)
2539                                                 sec_number++;
2540                                 }
2541                         }
2542
2543                         if (man_id == 0x01 && flash_id == 0x6d) {
2544                                 if (sec_number == 1 &&
2545                                     addr == (rest_addr - 1)) {
2546                                         rest_addr = 0x0fff;
2547                                         sec_mask   = 0x1f000;
2548                                 } else if (sec_number == 3 && (addr & 0x7ffe)) {
2549                                         rest_addr = 0x3fff;
2550                                         sec_mask   = 0x1c000;
2551                                 }
2552                         }
2553
2554                         if (qla2x00_program_flash_address(ha, addr, data,
2555                             man_id, flash_id)) {
2556                                 rval = QLA_FUNCTION_FAILED;
2557                                 break;
2558                         }
2559                         cond_resched();
2560                 }
2561         } while (0);
2562         qla2x00_flash_disable(ha);
2563
2564         /* Resume HBA. */
2565         qla2x00_resume_hba(vha);
2566
2567         return rval;
2568 }
2569
2570 uint8_t *
2571 qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2572     uint32_t offset, uint32_t length)
2573 {
2574         struct qla_hw_data *ha = vha->hw;
2575
2576         /* Suspend HBA. */
2577         scsi_block_requests(vha->host);
2578         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2579
2580         /* Go with read. */
2581         qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
2582
2583         /* Resume HBA. */
2584         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2585         scsi_unblock_requests(vha->host);
2586
2587         return buf;
2588 }
2589
2590 int
2591 qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2592     uint32_t offset, uint32_t length)
2593 {
2594         int rval;
2595         struct qla_hw_data *ha = vha->hw;
2596
2597         /* Suspend HBA. */
2598         scsi_block_requests(vha->host);
2599         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2600
2601         /* Go with write. */
2602         rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
2603             length >> 2);
2604
2605         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2606         scsi_unblock_requests(vha->host);
2607
2608         return rval;
2609 }
2610
2611 uint8_t *
2612 qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2613     uint32_t offset, uint32_t length)
2614 {
2615         int rval;
2616         dma_addr_t optrom_dma;
2617         void *optrom;
2618         uint8_t *pbuf;
2619         uint32_t faddr, left, burst;
2620         struct qla_hw_data *ha = vha->hw;
2621
2622         if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
2623             IS_QLA27XX(ha))
2624                 goto try_fast;
2625         if (offset & 0xfff)
2626                 goto slow_read;
2627         if (length < OPTROM_BURST_SIZE)
2628                 goto slow_read;
2629
2630 try_fast:
2631         optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2632             &optrom_dma, GFP_KERNEL);
2633         if (!optrom) {
2634                 ql_log(ql_log_warn, vha, 0x00cc,
2635                     "Unable to allocate memory for optrom burst read (%x KB).\n",
2636                     OPTROM_BURST_SIZE / 1024);
2637                 goto slow_read;
2638         }
2639
2640         pbuf = buf;
2641         faddr = offset >> 2;
2642         left = length >> 2;
2643         burst = OPTROM_BURST_DWORDS;
2644         while (left != 0) {
2645                 if (burst > left)
2646                         burst = left;
2647
2648                 rval = qla2x00_dump_ram(vha, optrom_dma,
2649                     flash_data_addr(ha, faddr), burst);
2650                 if (rval) {
2651                         ql_log(ql_log_warn, vha, 0x00f5,
2652                             "Unable to burst-read optrom segment (%x/%x/%llx).\n",
2653                             rval, flash_data_addr(ha, faddr),
2654                             (unsigned long long)optrom_dma);
2655                         ql_log(ql_log_warn, vha, 0x00f6,
2656                             "Reverting to slow-read.\n");
2657
2658                         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2659                             optrom, optrom_dma);
2660                         goto slow_read;
2661                 }
2662
2663                 memcpy(pbuf, optrom, burst * 4);
2664
2665                 left -= burst;
2666                 faddr += burst;
2667                 pbuf += burst * 4;
2668         }
2669
2670         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
2671             optrom_dma);
2672
2673         return buf;
2674
2675 slow_read:
2676     return qla24xx_read_optrom_data(vha, buf, offset, length);
2677 }
2678
2679 /**
2680  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
2681  * @ha: HA context
2682  * @pcids: Pointer to the FCODE PCI data structure
2683  *
2684  * The process of retrieving the FCODE version information is at best
2685  * described as interesting.
2686  *
2687  * Within the first 100h bytes of the image an ASCII string is present
2688  * which contains several pieces of information including the FCODE
2689  * version.  Unfortunately it seems the only reliable way to retrieve
2690  * the version is by scanning for another sentinel within the string,
2691  * the FCODE build date:
2692  *
2693  *      ... 2.00.02 10/17/02 ...
2694  *
2695  * Returns QLA_SUCCESS on successful retrieval of version.
2696  */
2697 static void
2698 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
2699 {
2700         int ret = QLA_FUNCTION_FAILED;
2701         uint32_t istart, iend, iter, vend;
2702         uint8_t do_next, rbyte, *vbyte;
2703
2704         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2705
2706         /* Skip the PCI data structure. */
2707         istart = pcids +
2708             ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2709                 qla2x00_read_flash_byte(ha, pcids + 0x0A));
2710         iend = istart + 0x100;
2711         do {
2712                 /* Scan for the sentinel date string...eeewww. */
2713                 do_next = 0;
2714                 iter = istart;
2715                 while ((iter < iend) && !do_next) {
2716                         iter++;
2717                         if (qla2x00_read_flash_byte(ha, iter) == '/') {
2718                                 if (qla2x00_read_flash_byte(ha, iter + 2) ==
2719                                     '/')
2720                                         do_next++;
2721                                 else if (qla2x00_read_flash_byte(ha,
2722                                     iter + 3) == '/')
2723                                         do_next++;
2724                         }
2725                 }
2726                 if (!do_next)
2727                         break;
2728
2729                 /* Backtrack to previous ' ' (space). */
2730                 do_next = 0;
2731                 while ((iter > istart) && !do_next) {
2732                         iter--;
2733                         if (qla2x00_read_flash_byte(ha, iter) == ' ')
2734                                 do_next++;
2735                 }
2736                 if (!do_next)
2737                         break;
2738
2739                 /*
2740                  * Mark end of version tag, and find previous ' ' (space) or
2741                  * string length (recent FCODE images -- major hack ahead!!!).
2742                  */
2743                 vend = iter - 1;
2744                 do_next = 0;
2745                 while ((iter > istart) && !do_next) {
2746                         iter--;
2747                         rbyte = qla2x00_read_flash_byte(ha, iter);
2748                         if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2749                                 do_next++;
2750                 }
2751                 if (!do_next)
2752                         break;
2753
2754                 /* Mark beginning of version tag, and copy data. */
2755                 iter++;
2756                 if ((vend - iter) &&
2757                     ((vend - iter) < sizeof(ha->fcode_revision))) {
2758                         vbyte = ha->fcode_revision;
2759                         while (iter <= vend) {
2760                                 *vbyte++ = qla2x00_read_flash_byte(ha, iter);
2761                                 iter++;
2762                         }
2763                         ret = QLA_SUCCESS;
2764                 }
2765         } while (0);
2766
2767         if (ret != QLA_SUCCESS)
2768                 memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2769 }
2770
2771 int
2772 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2773 {
2774         int ret = QLA_SUCCESS;
2775         uint8_t code_type, last_image;
2776         uint32_t pcihdr, pcids;
2777         uint8_t *dbyte;
2778         uint16_t *dcode;
2779         struct qla_hw_data *ha = vha->hw;
2780
2781         if (!ha->pio_address || !mbuf)
2782                 return QLA_FUNCTION_FAILED;
2783
2784         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2785         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2786         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2787         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2788
2789         qla2x00_flash_enable(ha);
2790
2791         /* Begin with first PCI expansion ROM header. */
2792         pcihdr = 0;
2793         last_image = 1;
2794         do {
2795                 /* Verify PCI expansion ROM header. */
2796                 if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2797                     qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2798                         /* No signature */
2799                         ql_log(ql_log_fatal, vha, 0x0050,
2800                             "No matching ROM signature.\n");
2801                         ret = QLA_FUNCTION_FAILED;
2802                         break;
2803                 }
2804
2805                 /* Locate PCI data structure. */
2806                 pcids = pcihdr +
2807                     ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2808                         qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2809
2810                 /* Validate signature of PCI data structure. */
2811                 if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2812                     qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2813                     qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2814                     qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2815                         /* Incorrect header. */
2816                         ql_log(ql_log_fatal, vha, 0x0051,
2817                             "PCI data struct not found pcir_adr=%x.\n", pcids);
2818                         ret = QLA_FUNCTION_FAILED;
2819                         break;
2820                 }
2821
2822                 /* Read version */
2823                 code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2824                 switch (code_type) {
2825                 case ROM_CODE_TYPE_BIOS:
2826                         /* Intel x86, PC-AT compatible. */
2827                         ha->bios_revision[0] =
2828                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2829                         ha->bios_revision[1] =
2830                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2831                         ql_dbg(ql_dbg_init, vha, 0x0052,
2832                             "Read BIOS %d.%d.\n",
2833                             ha->bios_revision[1], ha->bios_revision[0]);
2834                         break;
2835                 case ROM_CODE_TYPE_FCODE:
2836                         /* Open Firmware standard for PCI (FCode). */
2837                         /* Eeeewww... */
2838                         qla2x00_get_fcode_version(ha, pcids);
2839                         break;
2840                 case ROM_CODE_TYPE_EFI:
2841                         /* Extensible Firmware Interface (EFI). */
2842                         ha->efi_revision[0] =
2843                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2844                         ha->efi_revision[1] =
2845                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2846                         ql_dbg(ql_dbg_init, vha, 0x0053,
2847                             "Read EFI %d.%d.\n",
2848                             ha->efi_revision[1], ha->efi_revision[0]);
2849                         break;
2850                 default:
2851                         ql_log(ql_log_warn, vha, 0x0054,
2852                             "Unrecognized code type %x at pcids %x.\n",
2853                             code_type, pcids);
2854                         break;
2855                 }
2856
2857                 last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2858
2859                 /* Locate next PCI expansion ROM. */
2860                 pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2861                     qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2862         } while (!last_image);
2863
2864         if (IS_QLA2322(ha)) {
2865                 /* Read firmware image information. */
2866                 memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2867                 dbyte = mbuf;
2868                 memset(dbyte, 0, 8);
2869                 dcode = (uint16_t *)dbyte;
2870
2871                 qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2872                     8);
2873                 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
2874                     "Dumping fw "
2875                     "ver from flash:.\n");
2876                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
2877                     (uint8_t *)dbyte, 8);
2878
2879                 if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2880                     dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2881                     (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2882                     dcode[3] == 0)) {
2883                         ql_log(ql_log_warn, vha, 0x0057,
2884                             "Unrecognized fw revision at %x.\n",
2885                             ha->flt_region_fw * 4);
2886                 } else {
2887                         /* values are in big endian */
2888                         ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2889                         ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2890                         ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2891                         ql_dbg(ql_dbg_init, vha, 0x0058,
2892                             "FW Version: "
2893                             "%d.%d.%d.\n", ha->fw_revision[0],
2894                             ha->fw_revision[1], ha->fw_revision[2]);
2895                 }
2896         }
2897
2898         qla2x00_flash_disable(ha);
2899
2900         return ret;
2901 }
2902
2903 int
2904 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2905 {
2906         int ret = QLA_SUCCESS;
2907         uint32_t pcihdr, pcids;
2908         uint32_t *dcode;
2909         uint8_t *bcode;
2910         uint8_t code_type, last_image;
2911         struct qla_hw_data *ha = vha->hw;
2912
2913         if (!mbuf)
2914                 return QLA_FUNCTION_FAILED;
2915
2916         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2917         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2918         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2919         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2920
2921         dcode = mbuf;
2922
2923         /* Begin with first PCI expansion ROM header. */
2924         pcihdr = ha->flt_region_boot << 2;
2925         last_image = 1;
2926         do {
2927                 /* Verify PCI expansion ROM header. */
2928                 ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcihdr,
2929                     0x20 * 4);
2930                 bcode = mbuf + (pcihdr % 4);
2931                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2932                         /* No signature */
2933                         ql_log(ql_log_fatal, vha, 0x0154,
2934                             "No matching ROM signature.\n");
2935                         ret = QLA_FUNCTION_FAILED;
2936                         break;
2937                 }
2938
2939                 /* Locate PCI data structure. */
2940                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2941
2942                 ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcids,
2943                     0x20 * 4);
2944                 bcode = mbuf + (pcihdr % 4);
2945
2946                 /* Validate signature of PCI data structure. */
2947                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2948                     bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2949                         /* Incorrect header. */
2950                         ql_log(ql_log_fatal, vha, 0x0155,
2951                             "PCI data struct not found pcir_adr=%x.\n", pcids);
2952                         ret = QLA_FUNCTION_FAILED;
2953                         break;
2954                 }
2955
2956                 /* Read version */
2957                 code_type = bcode[0x14];
2958                 switch (code_type) {
2959                 case ROM_CODE_TYPE_BIOS:
2960                         /* Intel x86, PC-AT compatible. */
2961                         ha->bios_revision[0] = bcode[0x12];
2962                         ha->bios_revision[1] = bcode[0x13];
2963                         ql_dbg(ql_dbg_init, vha, 0x0156,
2964                             "Read BIOS %d.%d.\n",
2965                             ha->bios_revision[1], ha->bios_revision[0]);
2966                         break;
2967                 case ROM_CODE_TYPE_FCODE:
2968                         /* Open Firmware standard for PCI (FCode). */
2969                         ha->fcode_revision[0] = bcode[0x12];
2970                         ha->fcode_revision[1] = bcode[0x13];
2971                         ql_dbg(ql_dbg_init, vha, 0x0157,
2972                             "Read FCODE %d.%d.\n",
2973                             ha->fcode_revision[1], ha->fcode_revision[0]);
2974                         break;
2975                 case ROM_CODE_TYPE_EFI:
2976                         /* Extensible Firmware Interface (EFI). */
2977                         ha->efi_revision[0] = bcode[0x12];
2978                         ha->efi_revision[1] = bcode[0x13];
2979                         ql_dbg(ql_dbg_init, vha, 0x0158,
2980                             "Read EFI %d.%d.\n",
2981                             ha->efi_revision[1], ha->efi_revision[0]);
2982                         break;
2983                 default:
2984                         ql_log(ql_log_warn, vha, 0x0159,
2985                             "Unrecognized code type %x at pcids %x.\n",
2986                             code_type, pcids);
2987                         break;
2988                 }
2989
2990                 last_image = bcode[0x15] & BIT_7;
2991
2992                 /* Locate next PCI expansion ROM. */
2993                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2994         } while (!last_image);
2995
2996         /* Read firmware image information. */
2997         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2998         dcode = mbuf;
2999         ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, ha->flt_region_fw << 2,
3000             0x20);
3001         bcode = mbuf + (pcihdr % 4);
3002
3003         /* Validate signature of PCI data structure. */
3004         if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3005             bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3006                 ha->fw_revision[0] = bcode[0x4];
3007                 ha->fw_revision[1] = bcode[0x5];
3008                 ha->fw_revision[2] = bcode[0x6];
3009                 ql_dbg(ql_dbg_init, vha, 0x0153,
3010                     "Firmware revision %d.%d.%d\n",
3011                     ha->fw_revision[0], ha->fw_revision[1],
3012                     ha->fw_revision[2]);
3013         }
3014
3015         return ret;
3016 }
3017
3018 int
3019 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3020 {
3021         int ret = QLA_SUCCESS;
3022         uint32_t pcihdr, pcids;
3023         uint32_t *dcode;
3024         uint8_t *bcode;
3025         uint8_t code_type, last_image;
3026         int i;
3027         struct qla_hw_data *ha = vha->hw;
3028         uint32_t faddr = 0;
3029
3030         pcihdr = pcids = 0;
3031
3032         if (IS_P3P_TYPE(ha))
3033                 return ret;
3034
3035         if (!mbuf)
3036                 return QLA_FUNCTION_FAILED;
3037
3038         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3039         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3040         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3041         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3042
3043         dcode = mbuf;
3044         pcihdr = ha->flt_region_boot << 2;
3045         if (IS_QLA27XX(ha) &&
3046             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
3047                 pcihdr = ha->flt_region_boot_sec << 2;
3048
3049         last_image = 1;
3050         do {
3051                 /* Verify PCI expansion ROM header. */
3052                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3053                 bcode = mbuf + (pcihdr % 4);
3054                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
3055                         /* No signature */
3056                         ql_log(ql_log_fatal, vha, 0x0059,
3057                             "No matching ROM signature.\n");
3058                         ret = QLA_FUNCTION_FAILED;
3059                         break;
3060                 }
3061
3062                 /* Locate PCI data structure. */
3063                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3064
3065                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3066                 bcode = mbuf + (pcihdr % 4);
3067
3068                 /* Validate signature of PCI data structure. */
3069                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
3070                     bcode[0x2] != 'I' || bcode[0x3] != 'R') {
3071                         /* Incorrect header. */
3072                         ql_log(ql_log_fatal, vha, 0x005a,
3073                             "PCI data struct not found pcir_adr=%x.\n", pcids);
3074                         ret = QLA_FUNCTION_FAILED;
3075                         break;
3076                 }
3077
3078                 /* Read version */
3079                 code_type = bcode[0x14];
3080                 switch (code_type) {
3081                 case ROM_CODE_TYPE_BIOS:
3082                         /* Intel x86, PC-AT compatible. */
3083                         ha->bios_revision[0] = bcode[0x12];
3084                         ha->bios_revision[1] = bcode[0x13];
3085                         ql_dbg(ql_dbg_init, vha, 0x005b,
3086                             "Read BIOS %d.%d.\n",
3087                             ha->bios_revision[1], ha->bios_revision[0]);
3088                         break;
3089                 case ROM_CODE_TYPE_FCODE:
3090                         /* Open Firmware standard for PCI (FCode). */
3091                         ha->fcode_revision[0] = bcode[0x12];
3092                         ha->fcode_revision[1] = bcode[0x13];
3093                         ql_dbg(ql_dbg_init, vha, 0x005c,
3094                             "Read FCODE %d.%d.\n",
3095                             ha->fcode_revision[1], ha->fcode_revision[0]);
3096                         break;
3097                 case ROM_CODE_TYPE_EFI:
3098                         /* Extensible Firmware Interface (EFI). */
3099                         ha->efi_revision[0] = bcode[0x12];
3100                         ha->efi_revision[1] = bcode[0x13];
3101                         ql_dbg(ql_dbg_init, vha, 0x005d,
3102                             "Read EFI %d.%d.\n",
3103                             ha->efi_revision[1], ha->efi_revision[0]);
3104                         break;
3105                 default:
3106                         ql_log(ql_log_warn, vha, 0x005e,
3107                             "Unrecognized code type %x at pcids %x.\n",
3108                             code_type, pcids);
3109                         break;
3110                 }
3111
3112                 last_image = bcode[0x15] & BIT_7;
3113
3114                 /* Locate next PCI expansion ROM. */
3115                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3116         } while (!last_image);
3117
3118         /* Read firmware image information. */
3119         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3120         dcode = mbuf;
3121         faddr = ha->flt_region_fw;
3122         if (IS_QLA27XX(ha) &&
3123             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
3124                 faddr = ha->flt_region_fw_sec;
3125
3126         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3127         for (i = 0; i < 4; i++)
3128                 dcode[i] = be32_to_cpu(dcode[i]);
3129
3130         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3131             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3132             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3133             dcode[3] == 0)) {
3134                 ql_log(ql_log_warn, vha, 0x005f,
3135                     "Unrecognized fw revision at %x.\n",
3136                     ha->flt_region_fw * 4);
3137         } else {
3138                 ha->fw_revision[0] = dcode[0];
3139                 ha->fw_revision[1] = dcode[1];
3140                 ha->fw_revision[2] = dcode[2];
3141                 ha->fw_revision[3] = dcode[3];
3142                 ql_dbg(ql_dbg_init, vha, 0x0060,
3143                     "Firmware revision %d.%d.%d (%x).\n",
3144                     ha->fw_revision[0], ha->fw_revision[1],
3145                     ha->fw_revision[2], ha->fw_revision[3]);
3146         }
3147
3148         /* Check for golden firmware and get version if available */
3149         if (!IS_QLA81XX(ha)) {
3150                 /* Golden firmware is not present in non 81XX adapters */
3151                 return ret;
3152         }
3153
3154         memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3155         dcode = mbuf;
3156         ha->isp_ops->read_optrom(vha, (uint8_t *)dcode,
3157             ha->flt_region_gold_fw << 2, 32);
3158
3159         if (dcode[4] == 0xFFFFFFFF && dcode[5] == 0xFFFFFFFF &&
3160             dcode[6] == 0xFFFFFFFF && dcode[7] == 0xFFFFFFFF) {
3161                 ql_log(ql_log_warn, vha, 0x0056,
3162                     "Unrecognized golden fw at 0x%x.\n",
3163                     ha->flt_region_gold_fw * 4);
3164                 return ret;
3165         }
3166
3167         for (i = 4; i < 8; i++)
3168                 ha->gold_fw_version[i-4] = be32_to_cpu(dcode[i]);
3169
3170         return ret;
3171 }
3172
3173 static int
3174 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3175 {
3176         if (pos >= end || *pos != 0x82)
3177                 return 0;
3178
3179         pos += 3 + pos[1];
3180         if (pos >= end || *pos != 0x90)
3181                 return 0;
3182
3183         pos += 3 + pos[1];
3184         if (pos >= end || *pos != 0x78)
3185                 return 0;
3186
3187         return 1;
3188 }
3189
3190 int
3191 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3192 {
3193         struct qla_hw_data *ha = vha->hw;
3194         uint8_t *pos = ha->vpd;
3195         uint8_t *end = pos + ha->vpd_size;
3196         int len = 0;
3197
3198         if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3199                 return 0;
3200
3201         while (pos < end && *pos != 0x78) {
3202                 len = (*pos == 0x82) ? pos[1] : pos[2];
3203
3204                 if (!strncmp(pos, key, strlen(key)))
3205                         break;
3206
3207                 if (*pos != 0x90 && *pos != 0x91)
3208                         pos += len;
3209
3210                 pos += 3;
3211         }
3212
3213         if (pos < end - len && *pos != 0x78)
3214                 return scnprintf(str, size, "%.*s", len, pos + 3);
3215
3216         return 0;
3217 }
3218
3219 int
3220 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3221 {
3222         int len, max_len;
3223         uint32_t fcp_prio_addr;
3224         struct qla_hw_data *ha = vha->hw;
3225
3226         if (!ha->fcp_prio_cfg) {
3227                 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3228                 if (!ha->fcp_prio_cfg) {
3229                         ql_log(ql_log_warn, vha, 0x00d5,
3230                             "Unable to allocate memory for fcp priority data (%x).\n",
3231                             FCP_PRIO_CFG_SIZE);
3232                         return QLA_FUNCTION_FAILED;
3233                 }
3234         }
3235         memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3236
3237         fcp_prio_addr = ha->flt_region_fcp_prio;
3238
3239         /* first read the fcp priority data header from flash */
3240         ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
3241                         fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3242
3243         if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3244                 goto fail;
3245
3246         /* read remaining FCP CMD config data from flash */
3247         fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3248         len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
3249         max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3250
3251         ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
3252                         fcp_prio_addr << 2, (len < max_len ? len : max_len));
3253
3254         /* revalidate the entire FCP priority config data, including entries */
3255         if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3256                 goto fail;
3257
3258         ha->flags.fcp_prio_enabled = 1;
3259         return QLA_SUCCESS;
3260 fail:
3261         vfree(ha->fcp_prio_cfg);
3262         ha->fcp_prio_cfg = NULL;
3263         return QLA_FUNCTION_FAILED;
3264 }