xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_dbg.c (revision a06c488d)
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 
8 /*
9  * Table for showing the current message id in use for particular level
10  * Change this table for addition of log/debug messages.
11  * ----------------------------------------------------------------------
12  * |             Level            |   Last Value Used  |     Holes	|
13  * ----------------------------------------------------------------------
14  * | Module Init and Probe        |       0x017f       | 0x0146         |
15  * |                              |                    | 0x015b-0x0160	|
16  * |                              |                    | 0x016e-0x0170  |
17  * | Mailbox commands             |       0x1192       |		|
18  * |                              |                    |		|
19  * | Device Discovery             |       0x2016       | 0x2020-0x2022, |
20  * |                              |                    | 0x2011-0x2012, |
21  * |                              |                    | 0x2099-0x20a4  |
22  * | Queue Command and IO tracing |       0x3074       | 0x300b         |
23  * |                              |                    | 0x3027-0x3028  |
24  * |                              |                    | 0x303d-0x3041  |
25  * |                              |                    | 0x302d,0x3033  |
26  * |                              |                    | 0x3036,0x3038  |
27  * |                              |                    | 0x303a		|
28  * | DPC Thread                   |       0x4023       | 0x4002,0x4013  |
29  * | Async Events                 |       0x5089       | 0x502b-0x502f  |
30  * |                              |                    | 0x5084,0x5075	|
31  * |                              |                    | 0x503d,0x5044  |
32  * |                              |                    | 0x507b,0x505f	|
33  * | Timer Routines               |       0x6012       |                |
34  * | User Space Interactions      |       0x70e65      | 0x7018,0x702e  |
35  * |				  |		       | 0x7020,0x7024  |
36  * |                              |                    | 0x7039,0x7045  |
37  * |                              |                    | 0x7073-0x7075  |
38  * |                              |                    | 0x70a5-0x70a6  |
39  * |                              |                    | 0x70a8,0x70ab  |
40  * |                              |                    | 0x70ad-0x70ae  |
41  * |                              |                    | 0x70d7-0x70db  |
42  * |                              |                    | 0x70de-0x70df  |
43  * | Task Management              |       0x803d       | 0x8000,0x800b  |
44  * |                              |                    | 0x8019         |
45  * |                              |                    | 0x8025,0x8026  |
46  * |                              |                    | 0x8031,0x8032  |
47  * |                              |                    | 0x8039,0x803c  |
48  * | AER/EEH                      |       0x9011       |		|
49  * | Virtual Port                 |       0xa007       |		|
50  * | ISP82XX Specific             |       0xb157       | 0xb002,0xb024  |
51  * |                              |                    | 0xb09e,0xb0ae  |
52  * |				  |		       | 0xb0c3,0xb0c6  |
53  * |                              |                    | 0xb0e0-0xb0ef  |
54  * |                              |                    | 0xb085,0xb0dc  |
55  * |                              |                    | 0xb107,0xb108  |
56  * |                              |                    | 0xb111,0xb11e  |
57  * |                              |                    | 0xb12c,0xb12d  |
58  * |                              |                    | 0xb13a,0xb142  |
59  * |                              |                    | 0xb13c-0xb140  |
60  * |                              |                    | 0xb149		|
61  * | MultiQ                       |       0xc00c       |		|
62  * | Misc                         |       0xd301       | 0xd031-0xd0ff	|
63  * |                              |                    | 0xd101-0xd1fe	|
64  * |                              |                    | 0xd214-0xd2fe	|
65  * | Target Mode		  |	  0xe080       |		|
66  * | Target Mode Management	  |	  0xf09b       | 0xf002		|
67  * |                              |                    | 0xf046-0xf049  |
68  * | Target Mode Task Management  |	  0x1000d      |		|
69  * ----------------------------------------------------------------------
70  */
71 
72 #include "qla_def.h"
73 
74 #include <linux/delay.h>
75 
76 static uint32_t ql_dbg_offset = 0x800;
77 
78 static inline void
79 qla2xxx_prep_dump(struct qla_hw_data *ha, struct qla2xxx_fw_dump *fw_dump)
80 {
81 	fw_dump->fw_major_version = htonl(ha->fw_major_version);
82 	fw_dump->fw_minor_version = htonl(ha->fw_minor_version);
83 	fw_dump->fw_subminor_version = htonl(ha->fw_subminor_version);
84 	fw_dump->fw_attributes = htonl(ha->fw_attributes);
85 
86 	fw_dump->vendor = htonl(ha->pdev->vendor);
87 	fw_dump->device = htonl(ha->pdev->device);
88 	fw_dump->subsystem_vendor = htonl(ha->pdev->subsystem_vendor);
89 	fw_dump->subsystem_device = htonl(ha->pdev->subsystem_device);
90 }
91 
92 static inline void *
93 qla2xxx_copy_queues(struct qla_hw_data *ha, void *ptr)
94 {
95 	struct req_que *req = ha->req_q_map[0];
96 	struct rsp_que *rsp = ha->rsp_q_map[0];
97 	/* Request queue. */
98 	memcpy(ptr, req->ring, req->length *
99 	    sizeof(request_t));
100 
101 	/* Response queue. */
102 	ptr += req->length * sizeof(request_t);
103 	memcpy(ptr, rsp->ring, rsp->length  *
104 	    sizeof(response_t));
105 
106 	return ptr + (rsp->length * sizeof(response_t));
107 }
108 
109 int
110 qla27xx_dump_mpi_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
111 	uint32_t ram_dwords, void **nxt)
112 {
113 	int rval;
114 	uint32_t cnt, stat, timer, dwords, idx;
115 	uint16_t mb0;
116 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
117 	dma_addr_t dump_dma = ha->gid_list_dma;
118 	uint32_t *dump = (uint32_t *)ha->gid_list;
119 
120 	rval = QLA_SUCCESS;
121 	mb0 = 0;
122 
123 	WRT_REG_WORD(&reg->mailbox0, MBC_LOAD_DUMP_MPI_RAM);
124 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
125 
126 	dwords = qla2x00_gid_list_size(ha) / 4;
127 	for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS;
128 	    cnt += dwords, addr += dwords) {
129 		if (cnt + dwords > ram_dwords)
130 			dwords = ram_dwords - cnt;
131 
132 		WRT_REG_WORD(&reg->mailbox1, LSW(addr));
133 		WRT_REG_WORD(&reg->mailbox8, MSW(addr));
134 
135 		WRT_REG_WORD(&reg->mailbox2, MSW(dump_dma));
136 		WRT_REG_WORD(&reg->mailbox3, LSW(dump_dma));
137 		WRT_REG_WORD(&reg->mailbox6, MSW(MSD(dump_dma)));
138 		WRT_REG_WORD(&reg->mailbox7, LSW(MSD(dump_dma)));
139 
140 		WRT_REG_WORD(&reg->mailbox4, MSW(dwords));
141 		WRT_REG_WORD(&reg->mailbox5, LSW(dwords));
142 
143 		WRT_REG_WORD(&reg->mailbox9, 0);
144 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
145 
146 		ha->flags.mbox_int = 0;
147 		for (timer = 6000000; timer; timer--) {
148 			/* Check for pending interrupts. */
149 			stat = RD_REG_DWORD(&reg->host_status);
150 			if (stat & HSRX_RISC_INT) {
151 				stat &= 0xff;
152 
153 				if (stat == 0x1 || stat == 0x2 ||
154 				    stat == 0x10 || stat == 0x11) {
155 					set_bit(MBX_INTERRUPT,
156 					    &ha->mbx_cmd_flags);
157 
158 					mb0 = RD_REG_WORD(&reg->mailbox0);
159 					RD_REG_WORD(&reg->mailbox1);
160 
161 					WRT_REG_DWORD(&reg->hccr,
162 					    HCCRX_CLR_RISC_INT);
163 					RD_REG_DWORD(&reg->hccr);
164 					break;
165 				}
166 
167 				/* Clear this intr; it wasn't a mailbox intr */
168 				WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
169 				RD_REG_DWORD(&reg->hccr);
170 			}
171 			udelay(5);
172 		}
173 		ha->flags.mbox_int = 1;
174 
175 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
176 			rval = mb0 & MBS_MASK;
177 			for (idx = 0; idx < dwords; idx++)
178 				ram[cnt + idx] = IS_QLA27XX(ha) ?
179 				    le32_to_cpu(dump[idx]) : swab32(dump[idx]);
180 		} else {
181 			rval = QLA_FUNCTION_FAILED;
182 		}
183 	}
184 
185 	*nxt = rval == QLA_SUCCESS ? &ram[cnt] : NULL;
186 	return rval;
187 }
188 
189 int
190 qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
191     uint32_t ram_dwords, void **nxt)
192 {
193 	int rval;
194 	uint32_t cnt, stat, timer, dwords, idx;
195 	uint16_t mb0;
196 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
197 	dma_addr_t dump_dma = ha->gid_list_dma;
198 	uint32_t *dump = (uint32_t *)ha->gid_list;
199 
200 	rval = QLA_SUCCESS;
201 	mb0 = 0;
202 
203 	WRT_REG_WORD(&reg->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED);
204 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
205 
206 	dwords = qla2x00_gid_list_size(ha) / 4;
207 	for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS;
208 	    cnt += dwords, addr += dwords) {
209 		if (cnt + dwords > ram_dwords)
210 			dwords = ram_dwords - cnt;
211 
212 		WRT_REG_WORD(&reg->mailbox1, LSW(addr));
213 		WRT_REG_WORD(&reg->mailbox8, MSW(addr));
214 
215 		WRT_REG_WORD(&reg->mailbox2, MSW(dump_dma));
216 		WRT_REG_WORD(&reg->mailbox3, LSW(dump_dma));
217 		WRT_REG_WORD(&reg->mailbox6, MSW(MSD(dump_dma)));
218 		WRT_REG_WORD(&reg->mailbox7, LSW(MSD(dump_dma)));
219 
220 		WRT_REG_WORD(&reg->mailbox4, MSW(dwords));
221 		WRT_REG_WORD(&reg->mailbox5, LSW(dwords));
222 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
223 
224 		ha->flags.mbox_int = 0;
225 		for (timer = 6000000; timer; timer--) {
226 			/* Check for pending interrupts. */
227 			stat = RD_REG_DWORD(&reg->host_status);
228 			if (stat & HSRX_RISC_INT) {
229 				stat &= 0xff;
230 
231 				if (stat == 0x1 || stat == 0x2 ||
232 				    stat == 0x10 || stat == 0x11) {
233 					set_bit(MBX_INTERRUPT,
234 					    &ha->mbx_cmd_flags);
235 
236 					mb0 = RD_REG_WORD(&reg->mailbox0);
237 
238 					WRT_REG_DWORD(&reg->hccr,
239 					    HCCRX_CLR_RISC_INT);
240 					RD_REG_DWORD(&reg->hccr);
241 					break;
242 				}
243 
244 				/* Clear this intr; it wasn't a mailbox intr */
245 				WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
246 				RD_REG_DWORD(&reg->hccr);
247 			}
248 			udelay(5);
249 		}
250 		ha->flags.mbox_int = 1;
251 
252 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
253 			rval = mb0 & MBS_MASK;
254 			for (idx = 0; idx < dwords; idx++)
255 				ram[cnt + idx] = IS_QLA27XX(ha) ?
256 				    le32_to_cpu(dump[idx]) : swab32(dump[idx]);
257 		} else {
258 			rval = QLA_FUNCTION_FAILED;
259 		}
260 	}
261 
262 	*nxt = rval == QLA_SUCCESS ? &ram[cnt]: NULL;
263 	return rval;
264 }
265 
266 static int
267 qla24xx_dump_memory(struct qla_hw_data *ha, uint32_t *code_ram,
268     uint32_t cram_size, void **nxt)
269 {
270 	int rval;
271 
272 	/* Code RAM. */
273 	rval = qla24xx_dump_ram(ha, 0x20000, code_ram, cram_size / 4, nxt);
274 	if (rval != QLA_SUCCESS)
275 		return rval;
276 
277 	set_bit(RISC_SRAM_DUMP_CMPL, &ha->fw_dump_cap_flags);
278 
279 	/* External Memory. */
280 	rval = qla24xx_dump_ram(ha, 0x100000, *nxt,
281 	    ha->fw_memory_size - 0x100000 + 1, nxt);
282 	if (rval == QLA_SUCCESS)
283 		set_bit(RISC_EXT_MEM_DUMP_CMPL, &ha->fw_dump_cap_flags);
284 
285 	return rval;
286 }
287 
288 static uint32_t *
289 qla24xx_read_window(struct device_reg_24xx __iomem *reg, uint32_t iobase,
290     uint32_t count, uint32_t *buf)
291 {
292 	uint32_t __iomem *dmp_reg;
293 
294 	WRT_REG_DWORD(&reg->iobase_addr, iobase);
295 	dmp_reg = &reg->iobase_window;
296 	while (count--)
297 		*buf++ = htonl(RD_REG_DWORD(dmp_reg++));
298 
299 	return buf;
300 }
301 
302 void
303 qla24xx_pause_risc(struct device_reg_24xx __iomem *reg, struct qla_hw_data *ha)
304 {
305 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
306 
307 	/* 100 usec delay is sufficient enough for hardware to pause RISC */
308 	udelay(100);
309 	if (RD_REG_DWORD(&reg->host_status) & HSRX_RISC_PAUSED)
310 		set_bit(RISC_PAUSE_CMPL, &ha->fw_dump_cap_flags);
311 }
312 
313 int
314 qla24xx_soft_reset(struct qla_hw_data *ha)
315 {
316 	int rval = QLA_SUCCESS;
317 	uint32_t cnt;
318 	uint16_t wd;
319 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
320 
321 	/*
322 	 * Reset RISC. The delay is dependent on system architecture.
323 	 * Driver can proceed with the reset sequence after waiting
324 	 * for a timeout period.
325 	 */
326 	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
327 	for (cnt = 0; cnt < 30000; cnt++) {
328 		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
329 			break;
330 
331 		udelay(10);
332 	}
333 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
334 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
335 
336 	WRT_REG_DWORD(&reg->ctrl_status,
337 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
338 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
339 
340 	udelay(100);
341 
342 	/* Wait for soft-reset to complete. */
343 	for (cnt = 0; cnt < 30000; cnt++) {
344 		if ((RD_REG_DWORD(&reg->ctrl_status) &
345 		    CSRX_ISP_SOFT_RESET) == 0)
346 			break;
347 
348 		udelay(10);
349 	}
350 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
351 		set_bit(ISP_RESET_CMPL, &ha->fw_dump_cap_flags);
352 
353 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
354 	RD_REG_DWORD(&reg->hccr);             /* PCI Posting. */
355 
356 	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
357 	    rval == QLA_SUCCESS; cnt--) {
358 		if (cnt)
359 			udelay(10);
360 		else
361 			rval = QLA_FUNCTION_TIMEOUT;
362 	}
363 	if (rval == QLA_SUCCESS)
364 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
365 
366 	return rval;
367 }
368 
369 static int
370 qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram,
371     uint32_t ram_words, void **nxt)
372 {
373 	int rval;
374 	uint32_t cnt, stat, timer, words, idx;
375 	uint16_t mb0;
376 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
377 	dma_addr_t dump_dma = ha->gid_list_dma;
378 	uint16_t *dump = (uint16_t *)ha->gid_list;
379 
380 	rval = QLA_SUCCESS;
381 	mb0 = 0;
382 
383 	WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED);
384 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
385 
386 	words = qla2x00_gid_list_size(ha) / 2;
387 	for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS;
388 	    cnt += words, addr += words) {
389 		if (cnt + words > ram_words)
390 			words = ram_words - cnt;
391 
392 		WRT_MAILBOX_REG(ha, reg, 1, LSW(addr));
393 		WRT_MAILBOX_REG(ha, reg, 8, MSW(addr));
394 
395 		WRT_MAILBOX_REG(ha, reg, 2, MSW(dump_dma));
396 		WRT_MAILBOX_REG(ha, reg, 3, LSW(dump_dma));
397 		WRT_MAILBOX_REG(ha, reg, 6, MSW(MSD(dump_dma)));
398 		WRT_MAILBOX_REG(ha, reg, 7, LSW(MSD(dump_dma)));
399 
400 		WRT_MAILBOX_REG(ha, reg, 4, words);
401 		WRT_REG_WORD(&reg->hccr, HCCR_SET_HOST_INT);
402 
403 		for (timer = 6000000; timer; timer--) {
404 			/* Check for pending interrupts. */
405 			stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
406 			if (stat & HSR_RISC_INT) {
407 				stat &= 0xff;
408 
409 				if (stat == 0x1 || stat == 0x2) {
410 					set_bit(MBX_INTERRUPT,
411 					    &ha->mbx_cmd_flags);
412 
413 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
414 
415 					/* Release mailbox registers. */
416 					WRT_REG_WORD(&reg->semaphore, 0);
417 					WRT_REG_WORD(&reg->hccr,
418 					    HCCR_CLR_RISC_INT);
419 					RD_REG_WORD(&reg->hccr);
420 					break;
421 				} else if (stat == 0x10 || stat == 0x11) {
422 					set_bit(MBX_INTERRUPT,
423 					    &ha->mbx_cmd_flags);
424 
425 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
426 
427 					WRT_REG_WORD(&reg->hccr,
428 					    HCCR_CLR_RISC_INT);
429 					RD_REG_WORD(&reg->hccr);
430 					break;
431 				}
432 
433 				/* clear this intr; it wasn't a mailbox intr */
434 				WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
435 				RD_REG_WORD(&reg->hccr);
436 			}
437 			udelay(5);
438 		}
439 
440 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
441 			rval = mb0 & MBS_MASK;
442 			for (idx = 0; idx < words; idx++)
443 				ram[cnt + idx] = swab16(dump[idx]);
444 		} else {
445 			rval = QLA_FUNCTION_FAILED;
446 		}
447 	}
448 
449 	*nxt = rval == QLA_SUCCESS ? &ram[cnt]: NULL;
450 	return rval;
451 }
452 
453 static inline void
454 qla2xxx_read_window(struct device_reg_2xxx __iomem *reg, uint32_t count,
455     uint16_t *buf)
456 {
457 	uint16_t __iomem *dmp_reg = &reg->u.isp2300.fb_cmd;
458 
459 	while (count--)
460 		*buf++ = htons(RD_REG_WORD(dmp_reg++));
461 }
462 
463 static inline void *
464 qla24xx_copy_eft(struct qla_hw_data *ha, void *ptr)
465 {
466 	if (!ha->eft)
467 		return ptr;
468 
469 	memcpy(ptr, ha->eft, ntohl(ha->fw_dump->eft_size));
470 	return ptr + ntohl(ha->fw_dump->eft_size);
471 }
472 
473 static inline void *
474 qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
475 {
476 	uint32_t cnt;
477 	uint32_t *iter_reg;
478 	struct qla2xxx_fce_chain *fcec = ptr;
479 
480 	if (!ha->fce)
481 		return ptr;
482 
483 	*last_chain = &fcec->type;
484 	fcec->type = htonl(DUMP_CHAIN_FCE);
485 	fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) +
486 	    fce_calc_size(ha->fce_bufs));
487 	fcec->size = htonl(fce_calc_size(ha->fce_bufs));
488 	fcec->addr_l = htonl(LSD(ha->fce_dma));
489 	fcec->addr_h = htonl(MSD(ha->fce_dma));
490 
491 	iter_reg = fcec->eregs;
492 	for (cnt = 0; cnt < 8; cnt++)
493 		*iter_reg++ = htonl(ha->fce_mb[cnt]);
494 
495 	memcpy(iter_reg, ha->fce, ntohl(fcec->size));
496 
497 	return (char *)iter_reg + ntohl(fcec->size);
498 }
499 
500 static inline void *
501 qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
502 	uint32_t **last_chain)
503 {
504 	struct qla2xxx_mqueue_chain *q;
505 	struct qla2xxx_mqueue_header *qh;
506 	uint32_t num_queues;
507 	int que;
508 	struct {
509 		int length;
510 		void *ring;
511 	} aq, *aqp;
512 
513 	if (!ha->tgt.atio_ring)
514 		return ptr;
515 
516 	num_queues = 1;
517 	aqp = &aq;
518 	aqp->length = ha->tgt.atio_q_length;
519 	aqp->ring = ha->tgt.atio_ring;
520 
521 	for (que = 0; que < num_queues; que++) {
522 		/* aqp = ha->atio_q_map[que]; */
523 		q = ptr;
524 		*last_chain = &q->type;
525 		q->type = htonl(DUMP_CHAIN_QUEUE);
526 		q->chain_size = htonl(
527 		    sizeof(struct qla2xxx_mqueue_chain) +
528 		    sizeof(struct qla2xxx_mqueue_header) +
529 		    (aqp->length * sizeof(request_t)));
530 		ptr += sizeof(struct qla2xxx_mqueue_chain);
531 
532 		/* Add header. */
533 		qh = ptr;
534 		qh->queue = htonl(TYPE_ATIO_QUEUE);
535 		qh->number = htonl(que);
536 		qh->size = htonl(aqp->length * sizeof(request_t));
537 		ptr += sizeof(struct qla2xxx_mqueue_header);
538 
539 		/* Add data. */
540 		memcpy(ptr, aqp->ring, aqp->length * sizeof(request_t));
541 
542 		ptr += aqp->length * sizeof(request_t);
543 	}
544 
545 	return ptr;
546 }
547 
548 static inline void *
549 qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
550 {
551 	struct qla2xxx_mqueue_chain *q;
552 	struct qla2xxx_mqueue_header *qh;
553 	struct req_que *req;
554 	struct rsp_que *rsp;
555 	int que;
556 
557 	if (!ha->mqenable)
558 		return ptr;
559 
560 	/* Request queues */
561 	for (que = 1; que < ha->max_req_queues; que++) {
562 		req = ha->req_q_map[que];
563 		if (!req)
564 			break;
565 
566 		/* Add chain. */
567 		q = ptr;
568 		*last_chain = &q->type;
569 		q->type = htonl(DUMP_CHAIN_QUEUE);
570 		q->chain_size = htonl(
571 		    sizeof(struct qla2xxx_mqueue_chain) +
572 		    sizeof(struct qla2xxx_mqueue_header) +
573 		    (req->length * sizeof(request_t)));
574 		ptr += sizeof(struct qla2xxx_mqueue_chain);
575 
576 		/* Add header. */
577 		qh = ptr;
578 		qh->queue = htonl(TYPE_REQUEST_QUEUE);
579 		qh->number = htonl(que);
580 		qh->size = htonl(req->length * sizeof(request_t));
581 		ptr += sizeof(struct qla2xxx_mqueue_header);
582 
583 		/* Add data. */
584 		memcpy(ptr, req->ring, req->length * sizeof(request_t));
585 		ptr += req->length * sizeof(request_t);
586 	}
587 
588 	/* Response queues */
589 	for (que = 1; que < ha->max_rsp_queues; que++) {
590 		rsp = ha->rsp_q_map[que];
591 		if (!rsp)
592 			break;
593 
594 		/* Add chain. */
595 		q = ptr;
596 		*last_chain = &q->type;
597 		q->type = htonl(DUMP_CHAIN_QUEUE);
598 		q->chain_size = htonl(
599 		    sizeof(struct qla2xxx_mqueue_chain) +
600 		    sizeof(struct qla2xxx_mqueue_header) +
601 		    (rsp->length * sizeof(response_t)));
602 		ptr += sizeof(struct qla2xxx_mqueue_chain);
603 
604 		/* Add header. */
605 		qh = ptr;
606 		qh->queue = htonl(TYPE_RESPONSE_QUEUE);
607 		qh->number = htonl(que);
608 		qh->size = htonl(rsp->length * sizeof(response_t));
609 		ptr += sizeof(struct qla2xxx_mqueue_header);
610 
611 		/* Add data. */
612 		memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t));
613 		ptr += rsp->length * sizeof(response_t);
614 	}
615 
616 	return ptr;
617 }
618 
619 static inline void *
620 qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
621 {
622 	uint32_t cnt, que_idx;
623 	uint8_t que_cnt;
624 	struct qla2xxx_mq_chain *mq = ptr;
625 	device_reg_t *reg;
626 
627 	if (!ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
628 		return ptr;
629 
630 	mq = ptr;
631 	*last_chain = &mq->type;
632 	mq->type = htonl(DUMP_CHAIN_MQ);
633 	mq->chain_size = htonl(sizeof(struct qla2xxx_mq_chain));
634 
635 	que_cnt = ha->max_req_queues > ha->max_rsp_queues ?
636 		ha->max_req_queues : ha->max_rsp_queues;
637 	mq->count = htonl(que_cnt);
638 	for (cnt = 0; cnt < que_cnt; cnt++) {
639 		reg = ISP_QUE_REG(ha, cnt);
640 		que_idx = cnt * 4;
641 		mq->qregs[que_idx] =
642 		    htonl(RD_REG_DWORD(&reg->isp25mq.req_q_in));
643 		mq->qregs[que_idx+1] =
644 		    htonl(RD_REG_DWORD(&reg->isp25mq.req_q_out));
645 		mq->qregs[que_idx+2] =
646 		    htonl(RD_REG_DWORD(&reg->isp25mq.rsp_q_in));
647 		mq->qregs[que_idx+3] =
648 		    htonl(RD_REG_DWORD(&reg->isp25mq.rsp_q_out));
649 	}
650 
651 	return ptr + sizeof(struct qla2xxx_mq_chain);
652 }
653 
654 void
655 qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
656 {
657 	struct qla_hw_data *ha = vha->hw;
658 
659 	if (rval != QLA_SUCCESS) {
660 		ql_log(ql_log_warn, vha, 0xd000,
661 		    "Failed to dump firmware (%x), dump status flags (0x%lx).\n",
662 		    rval, ha->fw_dump_cap_flags);
663 		ha->fw_dumped = 0;
664 	} else {
665 		ql_log(ql_log_info, vha, 0xd001,
666 		    "Firmware dump saved to temp buffer (%ld/%p), dump status flags (0x%lx).\n",
667 		    vha->host_no, ha->fw_dump, ha->fw_dump_cap_flags);
668 		ha->fw_dumped = 1;
669 		qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
670 	}
671 }
672 
673 /**
674  * qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
675  * @ha: HA context
676  * @hardware_locked: Called with the hardware_lock
677  */
678 void
679 qla2300_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
680 {
681 	int		rval;
682 	uint32_t	cnt;
683 	struct qla_hw_data *ha = vha->hw;
684 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
685 	uint16_t __iomem *dmp_reg;
686 	unsigned long	flags;
687 	struct qla2300_fw_dump	*fw;
688 	void		*nxt;
689 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
690 
691 	flags = 0;
692 
693 #ifndef __CHECKER__
694 	if (!hardware_locked)
695 		spin_lock_irqsave(&ha->hardware_lock, flags);
696 #endif
697 
698 	if (!ha->fw_dump) {
699 		ql_log(ql_log_warn, vha, 0xd002,
700 		    "No buffer available for dump.\n");
701 		goto qla2300_fw_dump_failed;
702 	}
703 
704 	if (ha->fw_dumped) {
705 		ql_log(ql_log_warn, vha, 0xd003,
706 		    "Firmware has been previously dumped (%p) "
707 		    "-- ignoring request.\n",
708 		    ha->fw_dump);
709 		goto qla2300_fw_dump_failed;
710 	}
711 	fw = &ha->fw_dump->isp.isp23;
712 	qla2xxx_prep_dump(ha, ha->fw_dump);
713 
714 	rval = QLA_SUCCESS;
715 	fw->hccr = htons(RD_REG_WORD(&reg->hccr));
716 
717 	/* Pause RISC. */
718 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
719 	if (IS_QLA2300(ha)) {
720 		for (cnt = 30000;
721 		    (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
722 			rval == QLA_SUCCESS; cnt--) {
723 			if (cnt)
724 				udelay(100);
725 			else
726 				rval = QLA_FUNCTION_TIMEOUT;
727 		}
728 	} else {
729 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
730 		udelay(10);
731 	}
732 
733 	if (rval == QLA_SUCCESS) {
734 		dmp_reg = &reg->flash_address;
735 		for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
736 			fw->pbiu_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
737 
738 		dmp_reg = &reg->u.isp2300.req_q_in;
739 		for (cnt = 0; cnt < sizeof(fw->risc_host_reg) / 2; cnt++)
740 			fw->risc_host_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
741 
742 		dmp_reg = &reg->u.isp2300.mailbox0;
743 		for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
744 			fw->mailbox_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
745 
746 		WRT_REG_WORD(&reg->ctrl_status, 0x40);
747 		qla2xxx_read_window(reg, 32, fw->resp_dma_reg);
748 
749 		WRT_REG_WORD(&reg->ctrl_status, 0x50);
750 		qla2xxx_read_window(reg, 48, fw->dma_reg);
751 
752 		WRT_REG_WORD(&reg->ctrl_status, 0x00);
753 		dmp_reg = &reg->risc_hw;
754 		for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
755 			fw->risc_hdw_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
756 
757 		WRT_REG_WORD(&reg->pcr, 0x2000);
758 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
759 
760 		WRT_REG_WORD(&reg->pcr, 0x2200);
761 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
762 
763 		WRT_REG_WORD(&reg->pcr, 0x2400);
764 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
765 
766 		WRT_REG_WORD(&reg->pcr, 0x2600);
767 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
768 
769 		WRT_REG_WORD(&reg->pcr, 0x2800);
770 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
771 
772 		WRT_REG_WORD(&reg->pcr, 0x2A00);
773 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
774 
775 		WRT_REG_WORD(&reg->pcr, 0x2C00);
776 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
777 
778 		WRT_REG_WORD(&reg->pcr, 0x2E00);
779 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
780 
781 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
782 		qla2xxx_read_window(reg, 64, fw->frame_buf_hdw_reg);
783 
784 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
785 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
786 
787 		WRT_REG_WORD(&reg->ctrl_status, 0x30);
788 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
789 
790 		/* Reset RISC. */
791 		WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
792 		for (cnt = 0; cnt < 30000; cnt++) {
793 			if ((RD_REG_WORD(&reg->ctrl_status) &
794 			    CSR_ISP_SOFT_RESET) == 0)
795 				break;
796 
797 			udelay(10);
798 		}
799 	}
800 
801 	if (!IS_QLA2300(ha)) {
802 		for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
803 		    rval == QLA_SUCCESS; cnt--) {
804 			if (cnt)
805 				udelay(100);
806 			else
807 				rval = QLA_FUNCTION_TIMEOUT;
808 		}
809 	}
810 
811 	/* Get RISC SRAM. */
812 	if (rval == QLA_SUCCESS)
813 		rval = qla2xxx_dump_ram(ha, 0x800, fw->risc_ram,
814 		    sizeof(fw->risc_ram) / 2, &nxt);
815 
816 	/* Get stack SRAM. */
817 	if (rval == QLA_SUCCESS)
818 		rval = qla2xxx_dump_ram(ha, 0x10000, fw->stack_ram,
819 		    sizeof(fw->stack_ram) / 2, &nxt);
820 
821 	/* Get data SRAM. */
822 	if (rval == QLA_SUCCESS)
823 		rval = qla2xxx_dump_ram(ha, 0x11000, fw->data_ram,
824 		    ha->fw_memory_size - 0x11000 + 1, &nxt);
825 
826 	if (rval == QLA_SUCCESS)
827 		qla2xxx_copy_queues(ha, nxt);
828 
829 	qla2xxx_dump_post_process(base_vha, rval);
830 
831 qla2300_fw_dump_failed:
832 #ifndef __CHECKER__
833 	if (!hardware_locked)
834 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
835 #else
836 	;
837 #endif
838 }
839 
840 /**
841  * qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
842  * @ha: HA context
843  * @hardware_locked: Called with the hardware_lock
844  */
845 void
846 qla2100_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
847 {
848 	int		rval;
849 	uint32_t	cnt, timer;
850 	uint16_t	risc_address;
851 	uint16_t	mb0, mb2;
852 	struct qla_hw_data *ha = vha->hw;
853 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
854 	uint16_t __iomem *dmp_reg;
855 	unsigned long	flags;
856 	struct qla2100_fw_dump	*fw;
857 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
858 
859 	risc_address = 0;
860 	mb0 = mb2 = 0;
861 	flags = 0;
862 
863 #ifndef __CHECKER__
864 	if (!hardware_locked)
865 		spin_lock_irqsave(&ha->hardware_lock, flags);
866 #endif
867 
868 	if (!ha->fw_dump) {
869 		ql_log(ql_log_warn, vha, 0xd004,
870 		    "No buffer available for dump.\n");
871 		goto qla2100_fw_dump_failed;
872 	}
873 
874 	if (ha->fw_dumped) {
875 		ql_log(ql_log_warn, vha, 0xd005,
876 		    "Firmware has been previously dumped (%p) "
877 		    "-- ignoring request.\n",
878 		    ha->fw_dump);
879 		goto qla2100_fw_dump_failed;
880 	}
881 	fw = &ha->fw_dump->isp.isp21;
882 	qla2xxx_prep_dump(ha, ha->fw_dump);
883 
884 	rval = QLA_SUCCESS;
885 	fw->hccr = htons(RD_REG_WORD(&reg->hccr));
886 
887 	/* Pause RISC. */
888 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
889 	for (cnt = 30000; (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
890 	    rval == QLA_SUCCESS; cnt--) {
891 		if (cnt)
892 			udelay(100);
893 		else
894 			rval = QLA_FUNCTION_TIMEOUT;
895 	}
896 	if (rval == QLA_SUCCESS) {
897 		dmp_reg = &reg->flash_address;
898 		for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
899 			fw->pbiu_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
900 
901 		dmp_reg = &reg->u.isp2100.mailbox0;
902 		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
903 			if (cnt == 8)
904 				dmp_reg = &reg->u_end.isp2200.mailbox8;
905 
906 			fw->mailbox_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
907 		}
908 
909 		dmp_reg = &reg->u.isp2100.unused_2[0];
910 		for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
911 			fw->dma_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
912 
913 		WRT_REG_WORD(&reg->ctrl_status, 0x00);
914 		dmp_reg = &reg->risc_hw;
915 		for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
916 			fw->risc_hdw_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
917 
918 		WRT_REG_WORD(&reg->pcr, 0x2000);
919 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
920 
921 		WRT_REG_WORD(&reg->pcr, 0x2100);
922 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
923 
924 		WRT_REG_WORD(&reg->pcr, 0x2200);
925 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
926 
927 		WRT_REG_WORD(&reg->pcr, 0x2300);
928 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
929 
930 		WRT_REG_WORD(&reg->pcr, 0x2400);
931 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
932 
933 		WRT_REG_WORD(&reg->pcr, 0x2500);
934 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
935 
936 		WRT_REG_WORD(&reg->pcr, 0x2600);
937 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
938 
939 		WRT_REG_WORD(&reg->pcr, 0x2700);
940 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
941 
942 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
943 		qla2xxx_read_window(reg, 16, fw->frame_buf_hdw_reg);
944 
945 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
946 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
947 
948 		WRT_REG_WORD(&reg->ctrl_status, 0x30);
949 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
950 
951 		/* Reset the ISP. */
952 		WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
953 	}
954 
955 	for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
956 	    rval == QLA_SUCCESS; cnt--) {
957 		if (cnt)
958 			udelay(100);
959 		else
960 			rval = QLA_FUNCTION_TIMEOUT;
961 	}
962 
963 	/* Pause RISC. */
964 	if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
965 	    (RD_REG_WORD(&reg->mctr) & (BIT_1 | BIT_0)) != 0))) {
966 
967 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
968 		for (cnt = 30000;
969 		    (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
970 		    rval == QLA_SUCCESS; cnt--) {
971 			if (cnt)
972 				udelay(100);
973 			else
974 				rval = QLA_FUNCTION_TIMEOUT;
975 		}
976 		if (rval == QLA_SUCCESS) {
977 			/* Set memory configuration and timing. */
978 			if (IS_QLA2100(ha))
979 				WRT_REG_WORD(&reg->mctr, 0xf1);
980 			else
981 				WRT_REG_WORD(&reg->mctr, 0xf2);
982 			RD_REG_WORD(&reg->mctr);	/* PCI Posting. */
983 
984 			/* Release RISC. */
985 			WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
986 		}
987 	}
988 
989 	if (rval == QLA_SUCCESS) {
990 		/* Get RISC SRAM. */
991 		risc_address = 0x1000;
992  		WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
993 		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
994 	}
995 	for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
996 	    cnt++, risc_address++) {
997  		WRT_MAILBOX_REG(ha, reg, 1, risc_address);
998 		WRT_REG_WORD(&reg->hccr, HCCR_SET_HOST_INT);
999 
1000 		for (timer = 6000000; timer != 0; timer--) {
1001 			/* Check for pending interrupts. */
1002 			if (RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) {
1003 				if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
1004 					set_bit(MBX_INTERRUPT,
1005 					    &ha->mbx_cmd_flags);
1006 
1007 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
1008 					mb2 = RD_MAILBOX_REG(ha, reg, 2);
1009 
1010 					WRT_REG_WORD(&reg->semaphore, 0);
1011 					WRT_REG_WORD(&reg->hccr,
1012 					    HCCR_CLR_RISC_INT);
1013 					RD_REG_WORD(&reg->hccr);
1014 					break;
1015 				}
1016 				WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1017 				RD_REG_WORD(&reg->hccr);
1018 			}
1019 			udelay(5);
1020 		}
1021 
1022 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
1023 			rval = mb0 & MBS_MASK;
1024 			fw->risc_ram[cnt] = htons(mb2);
1025 		} else {
1026 			rval = QLA_FUNCTION_FAILED;
1027 		}
1028 	}
1029 
1030 	if (rval == QLA_SUCCESS)
1031 		qla2xxx_copy_queues(ha, &fw->risc_ram[cnt]);
1032 
1033 	qla2xxx_dump_post_process(base_vha, rval);
1034 
1035 qla2100_fw_dump_failed:
1036 #ifndef __CHECKER__
1037 	if (!hardware_locked)
1038 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1039 #else
1040 	;
1041 #endif
1042 }
1043 
1044 void
1045 qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1046 {
1047 	int		rval;
1048 	uint32_t	cnt;
1049 	struct qla_hw_data *ha = vha->hw;
1050 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1051 	uint32_t __iomem *dmp_reg;
1052 	uint32_t	*iter_reg;
1053 	uint16_t __iomem *mbx_reg;
1054 	unsigned long	flags;
1055 	struct qla24xx_fw_dump *fw;
1056 	void		*nxt;
1057 	void		*nxt_chain;
1058 	uint32_t	*last_chain = NULL;
1059 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1060 
1061 	if (IS_P3P_TYPE(ha))
1062 		return;
1063 
1064 	flags = 0;
1065 	ha->fw_dump_cap_flags = 0;
1066 
1067 #ifndef __CHECKER__
1068 	if (!hardware_locked)
1069 		spin_lock_irqsave(&ha->hardware_lock, flags);
1070 #endif
1071 
1072 	if (!ha->fw_dump) {
1073 		ql_log(ql_log_warn, vha, 0xd006,
1074 		    "No buffer available for dump.\n");
1075 		goto qla24xx_fw_dump_failed;
1076 	}
1077 
1078 	if (ha->fw_dumped) {
1079 		ql_log(ql_log_warn, vha, 0xd007,
1080 		    "Firmware has been previously dumped (%p) "
1081 		    "-- ignoring request.\n",
1082 		    ha->fw_dump);
1083 		goto qla24xx_fw_dump_failed;
1084 	}
1085 	fw = &ha->fw_dump->isp.isp24;
1086 	qla2xxx_prep_dump(ha, ha->fw_dump);
1087 
1088 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1089 
1090 	/*
1091 	 * Pause RISC. No need to track timeout, as resetting the chip
1092 	 * is the right approach incase of pause timeout
1093 	 */
1094 	qla24xx_pause_risc(reg, ha);
1095 
1096 	/* Host interface registers. */
1097 	dmp_reg = &reg->flash_addr;
1098 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1099 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1100 
1101 	/* Disable interrupts. */
1102 	WRT_REG_DWORD(&reg->ictrl, 0);
1103 	RD_REG_DWORD(&reg->ictrl);
1104 
1105 	/* Shadow registers. */
1106 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1107 	RD_REG_DWORD(&reg->iobase_addr);
1108 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1109 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1110 
1111 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1112 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1113 
1114 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1115 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1116 
1117 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1118 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1119 
1120 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1121 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1122 
1123 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1124 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1125 
1126 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1127 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1128 
1129 	/* Mailbox registers. */
1130 	mbx_reg = &reg->mailbox0;
1131 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1132 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1133 
1134 	/* Transfer sequence registers. */
1135 	iter_reg = fw->xseq_gp_reg;
1136 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1137 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1138 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1139 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1140 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1141 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1142 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1143 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1144 
1145 	qla24xx_read_window(reg, 0xBFE0, 16, fw->xseq_0_reg);
1146 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1147 
1148 	/* Receive sequence registers. */
1149 	iter_reg = fw->rseq_gp_reg;
1150 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1151 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1152 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1153 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1154 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1155 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1156 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1157 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1158 
1159 	qla24xx_read_window(reg, 0xFFD0, 16, fw->rseq_0_reg);
1160 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1161 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1162 
1163 	/* Command DMA registers. */
1164 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1165 
1166 	/* Queues. */
1167 	iter_reg = fw->req0_dma_reg;
1168 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1169 	dmp_reg = &reg->iobase_q;
1170 	for (cnt = 0; cnt < 7; cnt++)
1171 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1172 
1173 	iter_reg = fw->resp0_dma_reg;
1174 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1175 	dmp_reg = &reg->iobase_q;
1176 	for (cnt = 0; cnt < 7; cnt++)
1177 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1178 
1179 	iter_reg = fw->req1_dma_reg;
1180 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1181 	dmp_reg = &reg->iobase_q;
1182 	for (cnt = 0; cnt < 7; cnt++)
1183 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1184 
1185 	/* Transmit DMA registers. */
1186 	iter_reg = fw->xmt0_dma_reg;
1187 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1188 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1189 
1190 	iter_reg = fw->xmt1_dma_reg;
1191 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1192 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1193 
1194 	iter_reg = fw->xmt2_dma_reg;
1195 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1196 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1197 
1198 	iter_reg = fw->xmt3_dma_reg;
1199 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1200 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1201 
1202 	iter_reg = fw->xmt4_dma_reg;
1203 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1204 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1205 
1206 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1207 
1208 	/* Receive DMA registers. */
1209 	iter_reg = fw->rcvt0_data_dma_reg;
1210 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1211 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1212 
1213 	iter_reg = fw->rcvt1_data_dma_reg;
1214 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1215 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1216 
1217 	/* RISC registers. */
1218 	iter_reg = fw->risc_gp_reg;
1219 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1220 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1221 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1222 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1223 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1224 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1225 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1226 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1227 
1228 	/* Local memory controller registers. */
1229 	iter_reg = fw->lmc_reg;
1230 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1231 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1232 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1233 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1234 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1235 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1236 	qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1237 
1238 	/* Fibre Protocol Module registers. */
1239 	iter_reg = fw->fpm_hdw_reg;
1240 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1241 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1242 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1243 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1244 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1245 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1246 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1247 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1248 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1249 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1250 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1251 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1252 
1253 	/* Frame Buffer registers. */
1254 	iter_reg = fw->fb_hdw_reg;
1255 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1256 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1257 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1258 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1259 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1260 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1261 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1262 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1263 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1264 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1265 	qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1266 
1267 	rval = qla24xx_soft_reset(ha);
1268 	if (rval != QLA_SUCCESS)
1269 		goto qla24xx_fw_dump_failed_0;
1270 
1271 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1272 	    &nxt);
1273 	if (rval != QLA_SUCCESS)
1274 		goto qla24xx_fw_dump_failed_0;
1275 
1276 	nxt = qla2xxx_copy_queues(ha, nxt);
1277 
1278 	qla24xx_copy_eft(ha, nxt);
1279 
1280 	nxt_chain = (void *)ha->fw_dump + ha->chain_offset;
1281 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1282 	if (last_chain) {
1283 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1284 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1285 	}
1286 
1287 	/* Adjust valid length. */
1288 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1289 
1290 qla24xx_fw_dump_failed_0:
1291 	qla2xxx_dump_post_process(base_vha, rval);
1292 
1293 qla24xx_fw_dump_failed:
1294 #ifndef __CHECKER__
1295 	if (!hardware_locked)
1296 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1297 #else
1298 	;
1299 #endif
1300 }
1301 
1302 void
1303 qla25xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1304 {
1305 	int		rval;
1306 	uint32_t	cnt;
1307 	struct qla_hw_data *ha = vha->hw;
1308 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1309 	uint32_t __iomem *dmp_reg;
1310 	uint32_t	*iter_reg;
1311 	uint16_t __iomem *mbx_reg;
1312 	unsigned long	flags;
1313 	struct qla25xx_fw_dump *fw;
1314 	void		*nxt, *nxt_chain;
1315 	uint32_t	*last_chain = NULL;
1316 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1317 
1318 	flags = 0;
1319 	ha->fw_dump_cap_flags = 0;
1320 
1321 #ifndef __CHECKER__
1322 	if (!hardware_locked)
1323 		spin_lock_irqsave(&ha->hardware_lock, flags);
1324 #endif
1325 
1326 	if (!ha->fw_dump) {
1327 		ql_log(ql_log_warn, vha, 0xd008,
1328 		    "No buffer available for dump.\n");
1329 		goto qla25xx_fw_dump_failed;
1330 	}
1331 
1332 	if (ha->fw_dumped) {
1333 		ql_log(ql_log_warn, vha, 0xd009,
1334 		    "Firmware has been previously dumped (%p) "
1335 		    "-- ignoring request.\n",
1336 		    ha->fw_dump);
1337 		goto qla25xx_fw_dump_failed;
1338 	}
1339 	fw = &ha->fw_dump->isp.isp25;
1340 	qla2xxx_prep_dump(ha, ha->fw_dump);
1341 	ha->fw_dump->version = htonl(2);
1342 
1343 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1344 
1345 	/*
1346 	 * Pause RISC. No need to track timeout, as resetting the chip
1347 	 * is the right approach incase of pause timeout
1348 	 */
1349 	qla24xx_pause_risc(reg, ha);
1350 
1351 	/* Host/Risc registers. */
1352 	iter_reg = fw->host_risc_reg;
1353 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1354 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1355 
1356 	/* PCIe registers. */
1357 	WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
1358 	RD_REG_DWORD(&reg->iobase_addr);
1359 	WRT_REG_DWORD(&reg->iobase_window, 0x01);
1360 	dmp_reg = &reg->iobase_c4;
1361 	fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++));
1362 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
1363 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
1364 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
1365 
1366 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
1367 	RD_REG_DWORD(&reg->iobase_window);
1368 
1369 	/* Host interface registers. */
1370 	dmp_reg = &reg->flash_addr;
1371 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1372 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1373 
1374 	/* Disable interrupts. */
1375 	WRT_REG_DWORD(&reg->ictrl, 0);
1376 	RD_REG_DWORD(&reg->ictrl);
1377 
1378 	/* Shadow registers. */
1379 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1380 	RD_REG_DWORD(&reg->iobase_addr);
1381 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1382 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1383 
1384 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1385 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1386 
1387 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1388 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1389 
1390 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1391 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1392 
1393 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1394 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1395 
1396 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1397 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1398 
1399 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1400 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1401 
1402 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
1403 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1404 
1405 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
1406 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1407 
1408 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
1409 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1410 
1411 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
1412 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1413 
1414 	/* RISC I/O register. */
1415 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
1416 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
1417 
1418 	/* Mailbox registers. */
1419 	mbx_reg = &reg->mailbox0;
1420 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1421 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1422 
1423 	/* Transfer sequence registers. */
1424 	iter_reg = fw->xseq_gp_reg;
1425 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1426 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1427 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1428 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1429 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1430 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1431 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1432 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1433 
1434 	iter_reg = fw->xseq_0_reg;
1435 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1436 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1437 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1438 
1439 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1440 
1441 	/* Receive sequence registers. */
1442 	iter_reg = fw->rseq_gp_reg;
1443 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1444 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1445 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1446 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1447 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1448 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1449 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1450 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1451 
1452 	iter_reg = fw->rseq_0_reg;
1453 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1454 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1455 
1456 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1457 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1458 
1459 	/* Auxiliary sequence registers. */
1460 	iter_reg = fw->aseq_gp_reg;
1461 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1462 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1463 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1464 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1465 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1466 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1467 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1468 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1469 
1470 	iter_reg = fw->aseq_0_reg;
1471 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1472 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1473 
1474 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1475 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1476 
1477 	/* Command DMA registers. */
1478 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1479 
1480 	/* Queues. */
1481 	iter_reg = fw->req0_dma_reg;
1482 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1483 	dmp_reg = &reg->iobase_q;
1484 	for (cnt = 0; cnt < 7; cnt++)
1485 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1486 
1487 	iter_reg = fw->resp0_dma_reg;
1488 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1489 	dmp_reg = &reg->iobase_q;
1490 	for (cnt = 0; cnt < 7; cnt++)
1491 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1492 
1493 	iter_reg = fw->req1_dma_reg;
1494 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1495 	dmp_reg = &reg->iobase_q;
1496 	for (cnt = 0; cnt < 7; cnt++)
1497 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1498 
1499 	/* Transmit DMA registers. */
1500 	iter_reg = fw->xmt0_dma_reg;
1501 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1502 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1503 
1504 	iter_reg = fw->xmt1_dma_reg;
1505 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1506 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1507 
1508 	iter_reg = fw->xmt2_dma_reg;
1509 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1510 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1511 
1512 	iter_reg = fw->xmt3_dma_reg;
1513 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1514 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1515 
1516 	iter_reg = fw->xmt4_dma_reg;
1517 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1518 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1519 
1520 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1521 
1522 	/* Receive DMA registers. */
1523 	iter_reg = fw->rcvt0_data_dma_reg;
1524 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1525 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1526 
1527 	iter_reg = fw->rcvt1_data_dma_reg;
1528 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1529 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1530 
1531 	/* RISC registers. */
1532 	iter_reg = fw->risc_gp_reg;
1533 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1534 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1535 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1536 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1537 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1538 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1539 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1540 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1541 
1542 	/* Local memory controller registers. */
1543 	iter_reg = fw->lmc_reg;
1544 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1545 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1546 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1547 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1548 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1549 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1550 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1551 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1552 
1553 	/* Fibre Protocol Module registers. */
1554 	iter_reg = fw->fpm_hdw_reg;
1555 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1556 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1557 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1558 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1559 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1560 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1561 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1562 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1563 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1564 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1565 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1566 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1567 
1568 	/* Frame Buffer registers. */
1569 	iter_reg = fw->fb_hdw_reg;
1570 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1571 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1572 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1573 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1574 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1575 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1576 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1577 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1578 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1579 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1580 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1581 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1582 
1583 	/* Multi queue registers */
1584 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1585 	    &last_chain);
1586 
1587 	rval = qla24xx_soft_reset(ha);
1588 	if (rval != QLA_SUCCESS)
1589 		goto qla25xx_fw_dump_failed_0;
1590 
1591 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1592 	    &nxt);
1593 	if (rval != QLA_SUCCESS)
1594 		goto qla25xx_fw_dump_failed_0;
1595 
1596 	nxt = qla2xxx_copy_queues(ha, nxt);
1597 
1598 	qla24xx_copy_eft(ha, nxt);
1599 
1600 	/* Chain entries -- started with MQ. */
1601 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1602 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1603 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1604 	if (last_chain) {
1605 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1606 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1607 	}
1608 
1609 	/* Adjust valid length. */
1610 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1611 
1612 qla25xx_fw_dump_failed_0:
1613 	qla2xxx_dump_post_process(base_vha, rval);
1614 
1615 qla25xx_fw_dump_failed:
1616 #ifndef __CHECKER__
1617 	if (!hardware_locked)
1618 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1619 #else
1620 	;
1621 #endif
1622 }
1623 
1624 void
1625 qla81xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1626 {
1627 	int		rval;
1628 	uint32_t	cnt;
1629 	struct qla_hw_data *ha = vha->hw;
1630 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1631 	uint32_t __iomem *dmp_reg;
1632 	uint32_t	*iter_reg;
1633 	uint16_t __iomem *mbx_reg;
1634 	unsigned long	flags;
1635 	struct qla81xx_fw_dump *fw;
1636 	void		*nxt, *nxt_chain;
1637 	uint32_t	*last_chain = NULL;
1638 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1639 
1640 	flags = 0;
1641 	ha->fw_dump_cap_flags = 0;
1642 
1643 #ifndef __CHECKER__
1644 	if (!hardware_locked)
1645 		spin_lock_irqsave(&ha->hardware_lock, flags);
1646 #endif
1647 
1648 	if (!ha->fw_dump) {
1649 		ql_log(ql_log_warn, vha, 0xd00a,
1650 		    "No buffer available for dump.\n");
1651 		goto qla81xx_fw_dump_failed;
1652 	}
1653 
1654 	if (ha->fw_dumped) {
1655 		ql_log(ql_log_warn, vha, 0xd00b,
1656 		    "Firmware has been previously dumped (%p) "
1657 		    "-- ignoring request.\n",
1658 		    ha->fw_dump);
1659 		goto qla81xx_fw_dump_failed;
1660 	}
1661 	fw = &ha->fw_dump->isp.isp81;
1662 	qla2xxx_prep_dump(ha, ha->fw_dump);
1663 
1664 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1665 
1666 	/*
1667 	 * Pause RISC. No need to track timeout, as resetting the chip
1668 	 * is the right approach incase of pause timeout
1669 	 */
1670 	qla24xx_pause_risc(reg, ha);
1671 
1672 	/* Host/Risc registers. */
1673 	iter_reg = fw->host_risc_reg;
1674 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1675 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1676 
1677 	/* PCIe registers. */
1678 	WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
1679 	RD_REG_DWORD(&reg->iobase_addr);
1680 	WRT_REG_DWORD(&reg->iobase_window, 0x01);
1681 	dmp_reg = &reg->iobase_c4;
1682 	fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++));
1683 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
1684 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
1685 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
1686 
1687 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
1688 	RD_REG_DWORD(&reg->iobase_window);
1689 
1690 	/* Host interface registers. */
1691 	dmp_reg = &reg->flash_addr;
1692 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1693 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1694 
1695 	/* Disable interrupts. */
1696 	WRT_REG_DWORD(&reg->ictrl, 0);
1697 	RD_REG_DWORD(&reg->ictrl);
1698 
1699 	/* Shadow registers. */
1700 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1701 	RD_REG_DWORD(&reg->iobase_addr);
1702 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1703 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1704 
1705 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1706 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1707 
1708 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1709 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1710 
1711 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1712 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1713 
1714 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1715 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1716 
1717 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1718 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1719 
1720 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1721 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1722 
1723 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
1724 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1725 
1726 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
1727 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1728 
1729 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
1730 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1731 
1732 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
1733 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1734 
1735 	/* RISC I/O register. */
1736 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
1737 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
1738 
1739 	/* Mailbox registers. */
1740 	mbx_reg = &reg->mailbox0;
1741 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1742 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1743 
1744 	/* Transfer sequence registers. */
1745 	iter_reg = fw->xseq_gp_reg;
1746 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1747 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1748 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1749 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1750 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1751 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1752 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1753 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1754 
1755 	iter_reg = fw->xseq_0_reg;
1756 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1757 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1758 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1759 
1760 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1761 
1762 	/* Receive sequence registers. */
1763 	iter_reg = fw->rseq_gp_reg;
1764 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1765 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1766 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1767 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1768 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1769 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1770 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1771 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1772 
1773 	iter_reg = fw->rseq_0_reg;
1774 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1775 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1776 
1777 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1778 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1779 
1780 	/* Auxiliary sequence registers. */
1781 	iter_reg = fw->aseq_gp_reg;
1782 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1783 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1784 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1785 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1786 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1787 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1788 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1789 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1790 
1791 	iter_reg = fw->aseq_0_reg;
1792 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1793 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1794 
1795 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1796 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1797 
1798 	/* Command DMA registers. */
1799 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1800 
1801 	/* Queues. */
1802 	iter_reg = fw->req0_dma_reg;
1803 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1804 	dmp_reg = &reg->iobase_q;
1805 	for (cnt = 0; cnt < 7; cnt++)
1806 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1807 
1808 	iter_reg = fw->resp0_dma_reg;
1809 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1810 	dmp_reg = &reg->iobase_q;
1811 	for (cnt = 0; cnt < 7; cnt++)
1812 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1813 
1814 	iter_reg = fw->req1_dma_reg;
1815 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1816 	dmp_reg = &reg->iobase_q;
1817 	for (cnt = 0; cnt < 7; cnt++)
1818 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1819 
1820 	/* Transmit DMA registers. */
1821 	iter_reg = fw->xmt0_dma_reg;
1822 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1823 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1824 
1825 	iter_reg = fw->xmt1_dma_reg;
1826 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1827 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1828 
1829 	iter_reg = fw->xmt2_dma_reg;
1830 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1831 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1832 
1833 	iter_reg = fw->xmt3_dma_reg;
1834 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1835 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1836 
1837 	iter_reg = fw->xmt4_dma_reg;
1838 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1839 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1840 
1841 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1842 
1843 	/* Receive DMA registers. */
1844 	iter_reg = fw->rcvt0_data_dma_reg;
1845 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1846 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1847 
1848 	iter_reg = fw->rcvt1_data_dma_reg;
1849 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1850 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1851 
1852 	/* RISC registers. */
1853 	iter_reg = fw->risc_gp_reg;
1854 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1855 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1856 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1857 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1858 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1859 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1860 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1861 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1862 
1863 	/* Local memory controller registers. */
1864 	iter_reg = fw->lmc_reg;
1865 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1866 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1867 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1868 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1869 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1870 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1871 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1872 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1873 
1874 	/* Fibre Protocol Module registers. */
1875 	iter_reg = fw->fpm_hdw_reg;
1876 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1877 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1878 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1879 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1880 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1881 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1882 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1883 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1884 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1885 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1886 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1887 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1888 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
1889 	qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
1890 
1891 	/* Frame Buffer registers. */
1892 	iter_reg = fw->fb_hdw_reg;
1893 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1894 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1895 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1896 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1897 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1898 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1899 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1900 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1901 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1902 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1903 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1904 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
1905 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1906 
1907 	/* Multi queue registers */
1908 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1909 	    &last_chain);
1910 
1911 	rval = qla24xx_soft_reset(ha);
1912 	if (rval != QLA_SUCCESS)
1913 		goto qla81xx_fw_dump_failed_0;
1914 
1915 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1916 	    &nxt);
1917 	if (rval != QLA_SUCCESS)
1918 		goto qla81xx_fw_dump_failed_0;
1919 
1920 	nxt = qla2xxx_copy_queues(ha, nxt);
1921 
1922 	qla24xx_copy_eft(ha, nxt);
1923 
1924 	/* Chain entries -- started with MQ. */
1925 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1926 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1927 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1928 	if (last_chain) {
1929 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1930 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1931 	}
1932 
1933 	/* Adjust valid length. */
1934 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1935 
1936 qla81xx_fw_dump_failed_0:
1937 	qla2xxx_dump_post_process(base_vha, rval);
1938 
1939 qla81xx_fw_dump_failed:
1940 #ifndef __CHECKER__
1941 	if (!hardware_locked)
1942 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1943 #else
1944 	;
1945 #endif
1946 }
1947 
1948 void
1949 qla83xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1950 {
1951 	int		rval;
1952 	uint32_t	cnt;
1953 	struct qla_hw_data *ha = vha->hw;
1954 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1955 	uint32_t __iomem *dmp_reg;
1956 	uint32_t	*iter_reg;
1957 	uint16_t __iomem *mbx_reg;
1958 	unsigned long	flags;
1959 	struct qla83xx_fw_dump *fw;
1960 	void		*nxt, *nxt_chain;
1961 	uint32_t	*last_chain = NULL;
1962 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1963 
1964 	flags = 0;
1965 	ha->fw_dump_cap_flags = 0;
1966 
1967 #ifndef __CHECKER__
1968 	if (!hardware_locked)
1969 		spin_lock_irqsave(&ha->hardware_lock, flags);
1970 #endif
1971 
1972 	if (!ha->fw_dump) {
1973 		ql_log(ql_log_warn, vha, 0xd00c,
1974 		    "No buffer available for dump!!!\n");
1975 		goto qla83xx_fw_dump_failed;
1976 	}
1977 
1978 	if (ha->fw_dumped) {
1979 		ql_log(ql_log_warn, vha, 0xd00d,
1980 		    "Firmware has been previously dumped (%p) -- ignoring "
1981 		    "request...\n", ha->fw_dump);
1982 		goto qla83xx_fw_dump_failed;
1983 	}
1984 	fw = &ha->fw_dump->isp.isp83;
1985 	qla2xxx_prep_dump(ha, ha->fw_dump);
1986 
1987 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1988 
1989 	/*
1990 	 * Pause RISC. No need to track timeout, as resetting the chip
1991 	 * is the right approach incase of pause timeout
1992 	 */
1993 	qla24xx_pause_risc(reg, ha);
1994 
1995 	WRT_REG_DWORD(&reg->iobase_addr, 0x6000);
1996 	dmp_reg = &reg->iobase_window;
1997 	RD_REG_DWORD(dmp_reg);
1998 	WRT_REG_DWORD(dmp_reg, 0);
1999 
2000 	dmp_reg = &reg->unused_4_1[0];
2001 	RD_REG_DWORD(dmp_reg);
2002 	WRT_REG_DWORD(dmp_reg, 0);
2003 
2004 	WRT_REG_DWORD(&reg->iobase_addr, 0x6010);
2005 	dmp_reg = &reg->unused_4_1[2];
2006 	RD_REG_DWORD(dmp_reg);
2007 	WRT_REG_DWORD(dmp_reg, 0);
2008 
2009 	/* select PCR and disable ecc checking and correction */
2010 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
2011 	RD_REG_DWORD(&reg->iobase_addr);
2012 	WRT_REG_DWORD(&reg->iobase_select, 0x60000000);	/* write to F0h = PCR */
2013 
2014 	/* Host/Risc registers. */
2015 	iter_reg = fw->host_risc_reg;
2016 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
2017 	iter_reg = qla24xx_read_window(reg, 0x7010, 16, iter_reg);
2018 	qla24xx_read_window(reg, 0x7040, 16, iter_reg);
2019 
2020 	/* PCIe registers. */
2021 	WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2022 	RD_REG_DWORD(&reg->iobase_addr);
2023 	WRT_REG_DWORD(&reg->iobase_window, 0x01);
2024 	dmp_reg = &reg->iobase_c4;
2025 	fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++));
2026 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
2027 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
2028 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
2029 
2030 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
2031 	RD_REG_DWORD(&reg->iobase_window);
2032 
2033 	/* Host interface registers. */
2034 	dmp_reg = &reg->flash_addr;
2035 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
2036 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
2037 
2038 	/* Disable interrupts. */
2039 	WRT_REG_DWORD(&reg->ictrl, 0);
2040 	RD_REG_DWORD(&reg->ictrl);
2041 
2042 	/* Shadow registers. */
2043 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
2044 	RD_REG_DWORD(&reg->iobase_addr);
2045 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
2046 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2047 
2048 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
2049 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2050 
2051 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
2052 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2053 
2054 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
2055 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2056 
2057 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
2058 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2059 
2060 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
2061 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2062 
2063 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
2064 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2065 
2066 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
2067 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2068 
2069 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
2070 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2071 
2072 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
2073 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2074 
2075 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
2076 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2077 
2078 	/* RISC I/O register. */
2079 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
2080 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
2081 
2082 	/* Mailbox registers. */
2083 	mbx_reg = &reg->mailbox0;
2084 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
2085 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
2086 
2087 	/* Transfer sequence registers. */
2088 	iter_reg = fw->xseq_gp_reg;
2089 	iter_reg = qla24xx_read_window(reg, 0xBE00, 16, iter_reg);
2090 	iter_reg = qla24xx_read_window(reg, 0xBE10, 16, iter_reg);
2091 	iter_reg = qla24xx_read_window(reg, 0xBE20, 16, iter_reg);
2092 	iter_reg = qla24xx_read_window(reg, 0xBE30, 16, iter_reg);
2093 	iter_reg = qla24xx_read_window(reg, 0xBE40, 16, iter_reg);
2094 	iter_reg = qla24xx_read_window(reg, 0xBE50, 16, iter_reg);
2095 	iter_reg = qla24xx_read_window(reg, 0xBE60, 16, iter_reg);
2096 	iter_reg = qla24xx_read_window(reg, 0xBE70, 16, iter_reg);
2097 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
2098 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
2099 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
2100 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
2101 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
2102 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
2103 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
2104 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
2105 
2106 	iter_reg = fw->xseq_0_reg;
2107 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
2108 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
2109 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
2110 
2111 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
2112 
2113 	qla24xx_read_window(reg, 0xBEF0, 16, fw->xseq_2_reg);
2114 
2115 	/* Receive sequence registers. */
2116 	iter_reg = fw->rseq_gp_reg;
2117 	iter_reg = qla24xx_read_window(reg, 0xFE00, 16, iter_reg);
2118 	iter_reg = qla24xx_read_window(reg, 0xFE10, 16, iter_reg);
2119 	iter_reg = qla24xx_read_window(reg, 0xFE20, 16, iter_reg);
2120 	iter_reg = qla24xx_read_window(reg, 0xFE30, 16, iter_reg);
2121 	iter_reg = qla24xx_read_window(reg, 0xFE40, 16, iter_reg);
2122 	iter_reg = qla24xx_read_window(reg, 0xFE50, 16, iter_reg);
2123 	iter_reg = qla24xx_read_window(reg, 0xFE60, 16, iter_reg);
2124 	iter_reg = qla24xx_read_window(reg, 0xFE70, 16, iter_reg);
2125 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
2126 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
2127 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
2128 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
2129 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
2130 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
2131 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
2132 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
2133 
2134 	iter_reg = fw->rseq_0_reg;
2135 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
2136 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
2137 
2138 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
2139 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
2140 	qla24xx_read_window(reg, 0xFEF0, 16, fw->rseq_3_reg);
2141 
2142 	/* Auxiliary sequence registers. */
2143 	iter_reg = fw->aseq_gp_reg;
2144 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
2145 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
2146 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
2147 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
2148 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
2149 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
2150 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
2151 	iter_reg = qla24xx_read_window(reg, 0xB070, 16, iter_reg);
2152 	iter_reg = qla24xx_read_window(reg, 0xB100, 16, iter_reg);
2153 	iter_reg = qla24xx_read_window(reg, 0xB110, 16, iter_reg);
2154 	iter_reg = qla24xx_read_window(reg, 0xB120, 16, iter_reg);
2155 	iter_reg = qla24xx_read_window(reg, 0xB130, 16, iter_reg);
2156 	iter_reg = qla24xx_read_window(reg, 0xB140, 16, iter_reg);
2157 	iter_reg = qla24xx_read_window(reg, 0xB150, 16, iter_reg);
2158 	iter_reg = qla24xx_read_window(reg, 0xB160, 16, iter_reg);
2159 	qla24xx_read_window(reg, 0xB170, 16, iter_reg);
2160 
2161 	iter_reg = fw->aseq_0_reg;
2162 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
2163 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
2164 
2165 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
2166 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
2167 	qla24xx_read_window(reg, 0xB1F0, 16, fw->aseq_3_reg);
2168 
2169 	/* Command DMA registers. */
2170 	iter_reg = fw->cmd_dma_reg;
2171 	iter_reg = qla24xx_read_window(reg, 0x7100, 16, iter_reg);
2172 	iter_reg = qla24xx_read_window(reg, 0x7120, 16, iter_reg);
2173 	iter_reg = qla24xx_read_window(reg, 0x7130, 16, iter_reg);
2174 	qla24xx_read_window(reg, 0x71F0, 16, iter_reg);
2175 
2176 	/* Queues. */
2177 	iter_reg = fw->req0_dma_reg;
2178 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
2179 	dmp_reg = &reg->iobase_q;
2180 	for (cnt = 0; cnt < 7; cnt++)
2181 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2182 
2183 	iter_reg = fw->resp0_dma_reg;
2184 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
2185 	dmp_reg = &reg->iobase_q;
2186 	for (cnt = 0; cnt < 7; cnt++)
2187 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2188 
2189 	iter_reg = fw->req1_dma_reg;
2190 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
2191 	dmp_reg = &reg->iobase_q;
2192 	for (cnt = 0; cnt < 7; cnt++)
2193 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2194 
2195 	/* Transmit DMA registers. */
2196 	iter_reg = fw->xmt0_dma_reg;
2197 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
2198 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
2199 
2200 	iter_reg = fw->xmt1_dma_reg;
2201 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
2202 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
2203 
2204 	iter_reg = fw->xmt2_dma_reg;
2205 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
2206 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
2207 
2208 	iter_reg = fw->xmt3_dma_reg;
2209 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
2210 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
2211 
2212 	iter_reg = fw->xmt4_dma_reg;
2213 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
2214 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
2215 
2216 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
2217 
2218 	/* Receive DMA registers. */
2219 	iter_reg = fw->rcvt0_data_dma_reg;
2220 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
2221 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
2222 
2223 	iter_reg = fw->rcvt1_data_dma_reg;
2224 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
2225 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
2226 
2227 	/* RISC registers. */
2228 	iter_reg = fw->risc_gp_reg;
2229 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
2230 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
2231 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
2232 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
2233 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
2234 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
2235 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
2236 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
2237 
2238 	/* Local memory controller registers. */
2239 	iter_reg = fw->lmc_reg;
2240 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
2241 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
2242 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
2243 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
2244 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
2245 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
2246 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
2247 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
2248 
2249 	/* Fibre Protocol Module registers. */
2250 	iter_reg = fw->fpm_hdw_reg;
2251 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
2252 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
2253 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
2254 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
2255 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
2256 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
2257 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
2258 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
2259 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
2260 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
2261 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
2262 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
2263 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
2264 	iter_reg = qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
2265 	iter_reg = qla24xx_read_window(reg, 0x40E0, 16, iter_reg);
2266 	qla24xx_read_window(reg, 0x40F0, 16, iter_reg);
2267 
2268 	/* RQ0 Array registers. */
2269 	iter_reg = fw->rq0_array_reg;
2270 	iter_reg = qla24xx_read_window(reg, 0x5C00, 16, iter_reg);
2271 	iter_reg = qla24xx_read_window(reg, 0x5C10, 16, iter_reg);
2272 	iter_reg = qla24xx_read_window(reg, 0x5C20, 16, iter_reg);
2273 	iter_reg = qla24xx_read_window(reg, 0x5C30, 16, iter_reg);
2274 	iter_reg = qla24xx_read_window(reg, 0x5C40, 16, iter_reg);
2275 	iter_reg = qla24xx_read_window(reg, 0x5C50, 16, iter_reg);
2276 	iter_reg = qla24xx_read_window(reg, 0x5C60, 16, iter_reg);
2277 	iter_reg = qla24xx_read_window(reg, 0x5C70, 16, iter_reg);
2278 	iter_reg = qla24xx_read_window(reg, 0x5C80, 16, iter_reg);
2279 	iter_reg = qla24xx_read_window(reg, 0x5C90, 16, iter_reg);
2280 	iter_reg = qla24xx_read_window(reg, 0x5CA0, 16, iter_reg);
2281 	iter_reg = qla24xx_read_window(reg, 0x5CB0, 16, iter_reg);
2282 	iter_reg = qla24xx_read_window(reg, 0x5CC0, 16, iter_reg);
2283 	iter_reg = qla24xx_read_window(reg, 0x5CD0, 16, iter_reg);
2284 	iter_reg = qla24xx_read_window(reg, 0x5CE0, 16, iter_reg);
2285 	qla24xx_read_window(reg, 0x5CF0, 16, iter_reg);
2286 
2287 	/* RQ1 Array registers. */
2288 	iter_reg = fw->rq1_array_reg;
2289 	iter_reg = qla24xx_read_window(reg, 0x5D00, 16, iter_reg);
2290 	iter_reg = qla24xx_read_window(reg, 0x5D10, 16, iter_reg);
2291 	iter_reg = qla24xx_read_window(reg, 0x5D20, 16, iter_reg);
2292 	iter_reg = qla24xx_read_window(reg, 0x5D30, 16, iter_reg);
2293 	iter_reg = qla24xx_read_window(reg, 0x5D40, 16, iter_reg);
2294 	iter_reg = qla24xx_read_window(reg, 0x5D50, 16, iter_reg);
2295 	iter_reg = qla24xx_read_window(reg, 0x5D60, 16, iter_reg);
2296 	iter_reg = qla24xx_read_window(reg, 0x5D70, 16, iter_reg);
2297 	iter_reg = qla24xx_read_window(reg, 0x5D80, 16, iter_reg);
2298 	iter_reg = qla24xx_read_window(reg, 0x5D90, 16, iter_reg);
2299 	iter_reg = qla24xx_read_window(reg, 0x5DA0, 16, iter_reg);
2300 	iter_reg = qla24xx_read_window(reg, 0x5DB0, 16, iter_reg);
2301 	iter_reg = qla24xx_read_window(reg, 0x5DC0, 16, iter_reg);
2302 	iter_reg = qla24xx_read_window(reg, 0x5DD0, 16, iter_reg);
2303 	iter_reg = qla24xx_read_window(reg, 0x5DE0, 16, iter_reg);
2304 	qla24xx_read_window(reg, 0x5DF0, 16, iter_reg);
2305 
2306 	/* RP0 Array registers. */
2307 	iter_reg = fw->rp0_array_reg;
2308 	iter_reg = qla24xx_read_window(reg, 0x5E00, 16, iter_reg);
2309 	iter_reg = qla24xx_read_window(reg, 0x5E10, 16, iter_reg);
2310 	iter_reg = qla24xx_read_window(reg, 0x5E20, 16, iter_reg);
2311 	iter_reg = qla24xx_read_window(reg, 0x5E30, 16, iter_reg);
2312 	iter_reg = qla24xx_read_window(reg, 0x5E40, 16, iter_reg);
2313 	iter_reg = qla24xx_read_window(reg, 0x5E50, 16, iter_reg);
2314 	iter_reg = qla24xx_read_window(reg, 0x5E60, 16, iter_reg);
2315 	iter_reg = qla24xx_read_window(reg, 0x5E70, 16, iter_reg);
2316 	iter_reg = qla24xx_read_window(reg, 0x5E80, 16, iter_reg);
2317 	iter_reg = qla24xx_read_window(reg, 0x5E90, 16, iter_reg);
2318 	iter_reg = qla24xx_read_window(reg, 0x5EA0, 16, iter_reg);
2319 	iter_reg = qla24xx_read_window(reg, 0x5EB0, 16, iter_reg);
2320 	iter_reg = qla24xx_read_window(reg, 0x5EC0, 16, iter_reg);
2321 	iter_reg = qla24xx_read_window(reg, 0x5ED0, 16, iter_reg);
2322 	iter_reg = qla24xx_read_window(reg, 0x5EE0, 16, iter_reg);
2323 	qla24xx_read_window(reg, 0x5EF0, 16, iter_reg);
2324 
2325 	/* RP1 Array registers. */
2326 	iter_reg = fw->rp1_array_reg;
2327 	iter_reg = qla24xx_read_window(reg, 0x5F00, 16, iter_reg);
2328 	iter_reg = qla24xx_read_window(reg, 0x5F10, 16, iter_reg);
2329 	iter_reg = qla24xx_read_window(reg, 0x5F20, 16, iter_reg);
2330 	iter_reg = qla24xx_read_window(reg, 0x5F30, 16, iter_reg);
2331 	iter_reg = qla24xx_read_window(reg, 0x5F40, 16, iter_reg);
2332 	iter_reg = qla24xx_read_window(reg, 0x5F50, 16, iter_reg);
2333 	iter_reg = qla24xx_read_window(reg, 0x5F60, 16, iter_reg);
2334 	iter_reg = qla24xx_read_window(reg, 0x5F70, 16, iter_reg);
2335 	iter_reg = qla24xx_read_window(reg, 0x5F80, 16, iter_reg);
2336 	iter_reg = qla24xx_read_window(reg, 0x5F90, 16, iter_reg);
2337 	iter_reg = qla24xx_read_window(reg, 0x5FA0, 16, iter_reg);
2338 	iter_reg = qla24xx_read_window(reg, 0x5FB0, 16, iter_reg);
2339 	iter_reg = qla24xx_read_window(reg, 0x5FC0, 16, iter_reg);
2340 	iter_reg = qla24xx_read_window(reg, 0x5FD0, 16, iter_reg);
2341 	iter_reg = qla24xx_read_window(reg, 0x5FE0, 16, iter_reg);
2342 	qla24xx_read_window(reg, 0x5FF0, 16, iter_reg);
2343 
2344 	iter_reg = fw->at0_array_reg;
2345 	iter_reg = qla24xx_read_window(reg, 0x7080, 16, iter_reg);
2346 	iter_reg = qla24xx_read_window(reg, 0x7090, 16, iter_reg);
2347 	iter_reg = qla24xx_read_window(reg, 0x70A0, 16, iter_reg);
2348 	iter_reg = qla24xx_read_window(reg, 0x70B0, 16, iter_reg);
2349 	iter_reg = qla24xx_read_window(reg, 0x70C0, 16, iter_reg);
2350 	iter_reg = qla24xx_read_window(reg, 0x70D0, 16, iter_reg);
2351 	iter_reg = qla24xx_read_window(reg, 0x70E0, 16, iter_reg);
2352 	qla24xx_read_window(reg, 0x70F0, 16, iter_reg);
2353 
2354 	/* I/O Queue Control registers. */
2355 	qla24xx_read_window(reg, 0x7800, 16, fw->queue_control_reg);
2356 
2357 	/* Frame Buffer registers. */
2358 	iter_reg = fw->fb_hdw_reg;
2359 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
2360 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
2361 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
2362 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
2363 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
2364 	iter_reg = qla24xx_read_window(reg, 0x6060, 16, iter_reg);
2365 	iter_reg = qla24xx_read_window(reg, 0x6070, 16, iter_reg);
2366 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
2367 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
2368 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
2369 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
2370 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
2371 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
2372 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
2373 	iter_reg = qla24xx_read_window(reg, 0x6530, 16, iter_reg);
2374 	iter_reg = qla24xx_read_window(reg, 0x6540, 16, iter_reg);
2375 	iter_reg = qla24xx_read_window(reg, 0x6550, 16, iter_reg);
2376 	iter_reg = qla24xx_read_window(reg, 0x6560, 16, iter_reg);
2377 	iter_reg = qla24xx_read_window(reg, 0x6570, 16, iter_reg);
2378 	iter_reg = qla24xx_read_window(reg, 0x6580, 16, iter_reg);
2379 	iter_reg = qla24xx_read_window(reg, 0x6590, 16, iter_reg);
2380 	iter_reg = qla24xx_read_window(reg, 0x65A0, 16, iter_reg);
2381 	iter_reg = qla24xx_read_window(reg, 0x65B0, 16, iter_reg);
2382 	iter_reg = qla24xx_read_window(reg, 0x65C0, 16, iter_reg);
2383 	iter_reg = qla24xx_read_window(reg, 0x65D0, 16, iter_reg);
2384 	iter_reg = qla24xx_read_window(reg, 0x65E0, 16, iter_reg);
2385 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
2386 
2387 	/* Multi queue registers */
2388 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
2389 	    &last_chain);
2390 
2391 	rval = qla24xx_soft_reset(ha);
2392 	if (rval != QLA_SUCCESS) {
2393 		ql_log(ql_log_warn, vha, 0xd00e,
2394 		    "SOFT RESET FAILED, forcing continuation of dump!!!\n");
2395 		rval = QLA_SUCCESS;
2396 
2397 		ql_log(ql_log_warn, vha, 0xd00f, "try a bigger hammer!!!\n");
2398 
2399 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2400 		RD_REG_DWORD(&reg->hccr);
2401 
2402 		WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2403 		RD_REG_DWORD(&reg->hccr);
2404 
2405 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2406 		RD_REG_DWORD(&reg->hccr);
2407 
2408 		for (cnt = 30000; cnt && (RD_REG_WORD(&reg->mailbox0)); cnt--)
2409 			udelay(5);
2410 
2411 		if (!cnt) {
2412 			nxt = fw->code_ram;
2413 			nxt += sizeof(fw->code_ram);
2414 			nxt += (ha->fw_memory_size - 0x100000 + 1);
2415 			goto copy_queue;
2416 		} else {
2417 			set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2418 			ql_log(ql_log_warn, vha, 0xd010,
2419 			    "bigger hammer success?\n");
2420 		}
2421 	}
2422 
2423 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
2424 	    &nxt);
2425 	if (rval != QLA_SUCCESS)
2426 		goto qla83xx_fw_dump_failed_0;
2427 
2428 copy_queue:
2429 	nxt = qla2xxx_copy_queues(ha, nxt);
2430 
2431 	qla24xx_copy_eft(ha, nxt);
2432 
2433 	/* Chain entries -- started with MQ. */
2434 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
2435 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
2436 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
2437 	if (last_chain) {
2438 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
2439 		*last_chain |= htonl(DUMP_CHAIN_LAST);
2440 	}
2441 
2442 	/* Adjust valid length. */
2443 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
2444 
2445 qla83xx_fw_dump_failed_0:
2446 	qla2xxx_dump_post_process(base_vha, rval);
2447 
2448 qla83xx_fw_dump_failed:
2449 #ifndef __CHECKER__
2450 	if (!hardware_locked)
2451 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
2452 #else
2453 	;
2454 #endif
2455 }
2456 
2457 /****************************************************************************/
2458 /*                         Driver Debug Functions.                          */
2459 /****************************************************************************/
2460 
2461 static inline int
2462 ql_mask_match(uint32_t level)
2463 {
2464 	if (ql2xextended_error_logging == 1)
2465 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2466 	return (level & ql2xextended_error_logging) == level;
2467 }
2468 
2469 /*
2470  * This function is for formatting and logging debug information.
2471  * It is to be used when vha is available. It formats the message
2472  * and logs it to the messages file.
2473  * parameters:
2474  * level: The level of the debug messages to be printed.
2475  *        If ql2xextended_error_logging value is correctly set,
2476  *        this message will appear in the messages file.
2477  * vha:   Pointer to the scsi_qla_host_t.
2478  * id:    This is a unique identifier for the level. It identifies the
2479  *        part of the code from where the message originated.
2480  * msg:   The message to be displayed.
2481  */
2482 void
2483 ql_dbg(uint32_t level, scsi_qla_host_t *vha, int32_t id, const char *fmt, ...)
2484 {
2485 	va_list va;
2486 	struct va_format vaf;
2487 
2488 	if (!ql_mask_match(level))
2489 		return;
2490 
2491 	va_start(va, fmt);
2492 
2493 	vaf.fmt = fmt;
2494 	vaf.va = &va;
2495 
2496 	if (vha != NULL) {
2497 		const struct pci_dev *pdev = vha->hw->pdev;
2498 		/* <module-name> <pci-name> <msg-id>:<host> Message */
2499 		pr_warn("%s [%s]-%04x:%ld: %pV",
2500 			QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset,
2501 			vha->host_no, &vaf);
2502 	} else {
2503 		pr_warn("%s [%s]-%04x: : %pV",
2504 			QL_MSGHDR, "0000:00:00.0", id + ql_dbg_offset, &vaf);
2505 	}
2506 
2507 	va_end(va);
2508 
2509 }
2510 
2511 /*
2512  * This function is for formatting and logging debug information.
2513  * It is to be used when vha is not available and pci is available,
2514  * i.e., before host allocation. It formats the message and logs it
2515  * to the messages file.
2516  * parameters:
2517  * level: The level of the debug messages to be printed.
2518  *        If ql2xextended_error_logging value is correctly set,
2519  *        this message will appear in the messages file.
2520  * pdev:  Pointer to the struct pci_dev.
2521  * id:    This is a unique id for the level. It identifies the part
2522  *        of the code from where the message originated.
2523  * msg:   The message to be displayed.
2524  */
2525 void
2526 ql_dbg_pci(uint32_t level, struct pci_dev *pdev, int32_t id,
2527 	   const char *fmt, ...)
2528 {
2529 	va_list va;
2530 	struct va_format vaf;
2531 
2532 	if (pdev == NULL)
2533 		return;
2534 	if (!ql_mask_match(level))
2535 		return;
2536 
2537 	va_start(va, fmt);
2538 
2539 	vaf.fmt = fmt;
2540 	vaf.va = &va;
2541 
2542 	/* <module-name> <dev-name>:<msg-id> Message */
2543 	pr_warn("%s [%s]-%04x: : %pV",
2544 		QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset, &vaf);
2545 
2546 	va_end(va);
2547 }
2548 
2549 /*
2550  * This function is for formatting and logging log messages.
2551  * It is to be used when vha is available. It formats the message
2552  * and logs it to the messages file. All the messages will be logged
2553  * irrespective of value of ql2xextended_error_logging.
2554  * parameters:
2555  * level: The level of the log messages to be printed in the
2556  *        messages file.
2557  * vha:   Pointer to the scsi_qla_host_t
2558  * id:    This is a unique id for the level. It identifies the
2559  *        part of the code from where the message originated.
2560  * msg:   The message to be displayed.
2561  */
2562 void
2563 ql_log(uint32_t level, scsi_qla_host_t *vha, int32_t id, const char *fmt, ...)
2564 {
2565 	va_list va;
2566 	struct va_format vaf;
2567 	char pbuf[128];
2568 
2569 	if (level > ql_errlev)
2570 		return;
2571 
2572 	if (vha != NULL) {
2573 		const struct pci_dev *pdev = vha->hw->pdev;
2574 		/* <module-name> <msg-id>:<host> Message */
2575 		snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x:%ld: ",
2576 			QL_MSGHDR, dev_name(&(pdev->dev)), id, vha->host_no);
2577 	} else {
2578 		snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
2579 			QL_MSGHDR, "0000:00:00.0", id);
2580 	}
2581 	pbuf[sizeof(pbuf) - 1] = 0;
2582 
2583 	va_start(va, fmt);
2584 
2585 	vaf.fmt = fmt;
2586 	vaf.va = &va;
2587 
2588 	switch (level) {
2589 	case ql_log_fatal: /* FATAL LOG */
2590 		pr_crit("%s%pV", pbuf, &vaf);
2591 		break;
2592 	case ql_log_warn:
2593 		pr_err("%s%pV", pbuf, &vaf);
2594 		break;
2595 	case ql_log_info:
2596 		pr_warn("%s%pV", pbuf, &vaf);
2597 		break;
2598 	default:
2599 		pr_info("%s%pV", pbuf, &vaf);
2600 		break;
2601 	}
2602 
2603 	va_end(va);
2604 }
2605 
2606 /*
2607  * This function is for formatting and logging log messages.
2608  * It is to be used when vha is not available and pci is available,
2609  * i.e., before host allocation. It formats the message and logs
2610  * it to the messages file. All the messages are logged irrespective
2611  * of the value of ql2xextended_error_logging.
2612  * parameters:
2613  * level: The level of the log messages to be printed in the
2614  *        messages file.
2615  * pdev:  Pointer to the struct pci_dev.
2616  * id:    This is a unique id for the level. It identifies the
2617  *        part of the code from where the message originated.
2618  * msg:   The message to be displayed.
2619  */
2620 void
2621 ql_log_pci(uint32_t level, struct pci_dev *pdev, int32_t id,
2622 	   const char *fmt, ...)
2623 {
2624 	va_list va;
2625 	struct va_format vaf;
2626 	char pbuf[128];
2627 
2628 	if (pdev == NULL)
2629 		return;
2630 	if (level > ql_errlev)
2631 		return;
2632 
2633 	/* <module-name> <dev-name>:<msg-id> Message */
2634 	snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
2635 		 QL_MSGHDR, dev_name(&(pdev->dev)), id);
2636 	pbuf[sizeof(pbuf) - 1] = 0;
2637 
2638 	va_start(va, fmt);
2639 
2640 	vaf.fmt = fmt;
2641 	vaf.va = &va;
2642 
2643 	switch (level) {
2644 	case ql_log_fatal: /* FATAL LOG */
2645 		pr_crit("%s%pV", pbuf, &vaf);
2646 		break;
2647 	case ql_log_warn:
2648 		pr_err("%s%pV", pbuf, &vaf);
2649 		break;
2650 	case ql_log_info:
2651 		pr_warn("%s%pV", pbuf, &vaf);
2652 		break;
2653 	default:
2654 		pr_info("%s%pV", pbuf, &vaf);
2655 		break;
2656 	}
2657 
2658 	va_end(va);
2659 }
2660 
2661 void
2662 ql_dump_regs(uint32_t level, scsi_qla_host_t *vha, int32_t id)
2663 {
2664 	int i;
2665 	struct qla_hw_data *ha = vha->hw;
2666 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2667 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2668 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
2669 	uint16_t __iomem *mbx_reg;
2670 
2671 	if (!ql_mask_match(level))
2672 		return;
2673 
2674 	if (IS_P3P_TYPE(ha))
2675 		mbx_reg = &reg82->mailbox_in[0];
2676 	else if (IS_FWI2_CAPABLE(ha))
2677 		mbx_reg = &reg24->mailbox0;
2678 	else
2679 		mbx_reg = MAILBOX_REG(ha, reg, 0);
2680 
2681 	ql_dbg(level, vha, id, "Mailbox registers:\n");
2682 	for (i = 0; i < 6; i++)
2683 		ql_dbg(level, vha, id,
2684 		    "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++));
2685 }
2686 
2687 
2688 void
2689 ql_dump_buffer(uint32_t level, scsi_qla_host_t *vha, int32_t id,
2690 	uint8_t *b, uint32_t size)
2691 {
2692 	uint32_t cnt;
2693 	uint8_t c;
2694 
2695 	if (!ql_mask_match(level))
2696 		return;
2697 
2698 	ql_dbg(level, vha, id, " 0   1   2   3   4   5   6   7   8   "
2699 	    "9  Ah  Bh  Ch  Dh  Eh  Fh\n");
2700 	ql_dbg(level, vha, id, "----------------------------------"
2701 	    "----------------------------\n");
2702 
2703 	ql_dbg(level, vha, id, " ");
2704 	for (cnt = 0; cnt < size;) {
2705 		c = *b++;
2706 		printk("%02x", (uint32_t) c);
2707 		cnt++;
2708 		if (!(cnt % 16))
2709 			printk("\n");
2710 		else
2711 			printk("  ");
2712 	}
2713 	if (cnt % 16)
2714 		ql_dbg(level, vha, id, "\n");
2715 }
2716