xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_dbg.c (revision 249592bf)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 
7 /*
8  * Table for showing the current message id in use for particular level
9  * Change this table for addition of log/debug messages.
10  * ----------------------------------------------------------------------
11  * |             Level            |   Last Value Used  |     Holes	|
12  * ----------------------------------------------------------------------
13  * | Module Init and Probe        |       0x0199       |                |
14  * | Mailbox commands             |       0x1206       | 0x11a5-0x11ff	|
15  * | Device Discovery             |       0x2134       | 0x210e-0x2116  |
16  * |				  | 		       | 0x211a         |
17  * |                              |                    | 0x211c-0x2128  |
18  * |                              |                    | 0x212c-0x2134  |
19  * | Queue Command and IO tracing |       0x3074       | 0x300b         |
20  * |                              |                    | 0x3027-0x3028  |
21  * |                              |                    | 0x303d-0x3041  |
22  * |                              |                    | 0x302d,0x3033  |
23  * |                              |                    | 0x3036,0x3038  |
24  * |                              |                    | 0x303a		|
25  * | DPC Thread                   |       0x4023       | 0x4002,0x4013  |
26  * | Async Events                 |       0x509c       |                |
27  * | Timer Routines               |       0x6012       |                |
28  * | User Space Interactions      |       0x70e3       | 0x7018,0x702e  |
29  * |				  |		       | 0x7020,0x7024  |
30  * |                              |                    | 0x7039,0x7045  |
31  * |                              |                    | 0x7073-0x7075  |
32  * |                              |                    | 0x70a5-0x70a6  |
33  * |                              |                    | 0x70a8,0x70ab  |
34  * |                              |                    | 0x70ad-0x70ae  |
35  * |                              |                    | 0x70d0-0x70d6	|
36  * |                              |                    | 0x70d7-0x70db  |
37  * | Task Management              |       0x8042       | 0x8000         |
38  * |                              |                    | 0x8019         |
39  * |                              |                    | 0x8025,0x8026  |
40  * |                              |                    | 0x8031,0x8032  |
41  * |                              |                    | 0x8039,0x803c  |
42  * | AER/EEH                      |       0x9011       |		|
43  * | Virtual Port                 |       0xa007       |		|
44  * | ISP82XX Specific             |       0xb157       | 0xb002,0xb024  |
45  * |                              |                    | 0xb09e,0xb0ae  |
46  * |				  |		       | 0xb0c3,0xb0c6  |
47  * |                              |                    | 0xb0e0-0xb0ef  |
48  * |                              |                    | 0xb085,0xb0dc  |
49  * |                              |                    | 0xb107,0xb108  |
50  * |                              |                    | 0xb111,0xb11e  |
51  * |                              |                    | 0xb12c,0xb12d  |
52  * |                              |                    | 0xb13a,0xb142  |
53  * |                              |                    | 0xb13c-0xb140  |
54  * |                              |                    | 0xb149		|
55  * | MultiQ                       |       0xc010       |		|
56  * | Misc                         |       0xd303       | 0xd031-0xd0ff	|
57  * |                              |                    | 0xd101-0xd1fe	|
58  * |                              |                    | 0xd214-0xd2fe	|
59  * | Target Mode		  |	  0xe081       |		|
60  * | Target Mode Management	  |	  0xf09b       | 0xf002		|
61  * |                              |                    | 0xf046-0xf049  |
62  * | Target Mode Task Management  |	  0x1000d      |		|
63  * ----------------------------------------------------------------------
64  */
65 
66 #include "qla_def.h"
67 
68 #include <linux/delay.h>
69 #define CREATE_TRACE_POINTS
70 #include <trace/events/qla.h>
71 
72 static uint32_t ql_dbg_offset = 0x800;
73 
74 static inline void
75 qla2xxx_prep_dump(struct qla_hw_data *ha, struct qla2xxx_fw_dump *fw_dump)
76 {
77 	fw_dump->fw_major_version = htonl(ha->fw_major_version);
78 	fw_dump->fw_minor_version = htonl(ha->fw_minor_version);
79 	fw_dump->fw_subminor_version = htonl(ha->fw_subminor_version);
80 	fw_dump->fw_attributes = htonl(ha->fw_attributes);
81 
82 	fw_dump->vendor = htonl(ha->pdev->vendor);
83 	fw_dump->device = htonl(ha->pdev->device);
84 	fw_dump->subsystem_vendor = htonl(ha->pdev->subsystem_vendor);
85 	fw_dump->subsystem_device = htonl(ha->pdev->subsystem_device);
86 }
87 
88 static inline void *
89 qla2xxx_copy_queues(struct qla_hw_data *ha, void *ptr)
90 {
91 	struct req_que *req = ha->req_q_map[0];
92 	struct rsp_que *rsp = ha->rsp_q_map[0];
93 	/* Request queue. */
94 	memcpy(ptr, req->ring, req->length *
95 	    sizeof(request_t));
96 
97 	/* Response queue. */
98 	ptr += req->length * sizeof(request_t);
99 	memcpy(ptr, rsp->ring, rsp->length  *
100 	    sizeof(response_t));
101 
102 	return ptr + (rsp->length * sizeof(response_t));
103 }
104 
105 int
106 qla27xx_dump_mpi_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
107 	uint32_t ram_dwords, void **nxt)
108 {
109 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
110 	dma_addr_t dump_dma = ha->gid_list_dma;
111 	uint32_t *chunk = (uint32_t *)ha->gid_list;
112 	uint32_t dwords = qla2x00_gid_list_size(ha) / 4;
113 	uint32_t stat;
114 	ulong i, j, timer = 6000000;
115 	int rval = QLA_FUNCTION_FAILED;
116 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
117 
118 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
119 
120 	if (qla_pci_disconnected(vha, reg))
121 		return rval;
122 
123 	for (i = 0; i < ram_dwords; i += dwords, addr += dwords) {
124 		if (i + dwords > ram_dwords)
125 			dwords = ram_dwords - i;
126 
127 		wrt_reg_word(&reg->mailbox0, MBC_LOAD_DUMP_MPI_RAM);
128 		wrt_reg_word(&reg->mailbox1, LSW(addr));
129 		wrt_reg_word(&reg->mailbox8, MSW(addr));
130 
131 		wrt_reg_word(&reg->mailbox2, MSW(LSD(dump_dma)));
132 		wrt_reg_word(&reg->mailbox3, LSW(LSD(dump_dma)));
133 		wrt_reg_word(&reg->mailbox6, MSW(MSD(dump_dma)));
134 		wrt_reg_word(&reg->mailbox7, LSW(MSD(dump_dma)));
135 
136 		wrt_reg_word(&reg->mailbox4, MSW(dwords));
137 		wrt_reg_word(&reg->mailbox5, LSW(dwords));
138 
139 		wrt_reg_word(&reg->mailbox9, 0);
140 		wrt_reg_dword(&reg->hccr, HCCRX_SET_HOST_INT);
141 
142 		ha->flags.mbox_int = 0;
143 		while (timer--) {
144 			udelay(5);
145 
146 			if (qla_pci_disconnected(vha, reg))
147 				return rval;
148 
149 			stat = rd_reg_dword(&reg->host_status);
150 			/* Check for pending interrupts. */
151 			if (!(stat & HSRX_RISC_INT))
152 				continue;
153 
154 			stat &= 0xff;
155 			if (stat != 0x1 && stat != 0x2 &&
156 			    stat != 0x10 && stat != 0x11) {
157 
158 				/* Clear this intr; it wasn't a mailbox intr */
159 				wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
160 				rd_reg_dword(&reg->hccr);
161 				continue;
162 			}
163 
164 			set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
165 			rval = rd_reg_word(&reg->mailbox0) & MBS_MASK;
166 			wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
167 			rd_reg_dword(&reg->hccr);
168 			break;
169 		}
170 		ha->flags.mbox_int = 1;
171 		*nxt = ram + i;
172 
173 		if (!test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
174 			/* no interrupt, timed out*/
175 			return rval;
176 		}
177 		if (rval) {
178 			/* error completion status */
179 			return rval;
180 		}
181 		for (j = 0; j < dwords; j++) {
182 			ram[i + j] =
183 			    (IS_QLA27XX(ha) || IS_QLA28XX(ha)) ?
184 			    chunk[j] : swab32(chunk[j]);
185 		}
186 	}
187 
188 	*nxt = ram + i;
189 	return QLA_SUCCESS;
190 }
191 
192 int
193 qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, __be32 *ram,
194 		 uint32_t ram_dwords, void **nxt)
195 {
196 	int rval = QLA_FUNCTION_FAILED;
197 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
198 	dma_addr_t dump_dma = ha->gid_list_dma;
199 	uint32_t *chunk = (uint32_t *)ha->gid_list;
200 	uint32_t dwords = qla2x00_gid_list_size(ha) / 4;
201 	uint32_t stat;
202 	ulong i, j, timer = 6000000;
203 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
204 
205 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
206 
207 	if (qla_pci_disconnected(vha, reg))
208 		return rval;
209 
210 	for (i = 0; i < ram_dwords; i += dwords, addr += dwords) {
211 		if (i + dwords > ram_dwords)
212 			dwords = ram_dwords - i;
213 
214 		wrt_reg_word(&reg->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED);
215 		wrt_reg_word(&reg->mailbox1, LSW(addr));
216 		wrt_reg_word(&reg->mailbox8, MSW(addr));
217 		wrt_reg_word(&reg->mailbox10, 0);
218 
219 		wrt_reg_word(&reg->mailbox2, MSW(LSD(dump_dma)));
220 		wrt_reg_word(&reg->mailbox3, LSW(LSD(dump_dma)));
221 		wrt_reg_word(&reg->mailbox6, MSW(MSD(dump_dma)));
222 		wrt_reg_word(&reg->mailbox7, LSW(MSD(dump_dma)));
223 
224 		wrt_reg_word(&reg->mailbox4, MSW(dwords));
225 		wrt_reg_word(&reg->mailbox5, LSW(dwords));
226 		wrt_reg_dword(&reg->hccr, HCCRX_SET_HOST_INT);
227 
228 		ha->flags.mbox_int = 0;
229 		while (timer--) {
230 			udelay(5);
231 			if (qla_pci_disconnected(vha, reg))
232 				return rval;
233 
234 			stat = rd_reg_dword(&reg->host_status);
235 			/* Check for pending interrupts. */
236 			if (!(stat & HSRX_RISC_INT))
237 				continue;
238 
239 			stat &= 0xff;
240 			if (stat != 0x1 && stat != 0x2 &&
241 			    stat != 0x10 && stat != 0x11) {
242 				wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
243 				rd_reg_dword(&reg->hccr);
244 				continue;
245 			}
246 
247 			set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
248 			rval = rd_reg_word(&reg->mailbox0) & MBS_MASK;
249 			wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
250 			rd_reg_dword(&reg->hccr);
251 			break;
252 		}
253 		ha->flags.mbox_int = 1;
254 		*nxt = ram + i;
255 
256 		if (!test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
257 			/* no interrupt, timed out*/
258 			return rval;
259 		}
260 		if (rval) {
261 			/* error completion status */
262 			return rval;
263 		}
264 		for (j = 0; j < dwords; j++) {
265 			ram[i + j] = (__force __be32)
266 				((IS_QLA27XX(ha) || IS_QLA28XX(ha)) ?
267 				 chunk[j] : swab32(chunk[j]));
268 		}
269 	}
270 
271 	*nxt = ram + i;
272 	return QLA_SUCCESS;
273 }
274 
275 static int
276 qla24xx_dump_memory(struct qla_hw_data *ha, __be32 *code_ram,
277 		    uint32_t cram_size, void **nxt)
278 {
279 	int rval;
280 
281 	/* Code RAM. */
282 	rval = qla24xx_dump_ram(ha, 0x20000, code_ram, cram_size / 4, nxt);
283 	if (rval != QLA_SUCCESS)
284 		return rval;
285 
286 	set_bit(RISC_SRAM_DUMP_CMPL, &ha->fw_dump_cap_flags);
287 
288 	/* External Memory. */
289 	rval = qla24xx_dump_ram(ha, 0x100000, *nxt,
290 	    ha->fw_memory_size - 0x100000 + 1, nxt);
291 	if (rval == QLA_SUCCESS)
292 		set_bit(RISC_EXT_MEM_DUMP_CMPL, &ha->fw_dump_cap_flags);
293 
294 	return rval;
295 }
296 
297 static __be32 *
298 qla24xx_read_window(struct device_reg_24xx __iomem *reg, uint32_t iobase,
299 		    uint32_t count, __be32 *buf)
300 {
301 	__le32 __iomem *dmp_reg;
302 
303 	wrt_reg_dword(&reg->iobase_addr, iobase);
304 	dmp_reg = &reg->iobase_window;
305 	for ( ; count--; dmp_reg++)
306 		*buf++ = htonl(rd_reg_dword(dmp_reg));
307 
308 	return buf;
309 }
310 
311 void
312 qla24xx_pause_risc(struct device_reg_24xx __iomem *reg, struct qla_hw_data *ha)
313 {
314 	wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_PAUSE);
315 
316 	/* 100 usec delay is sufficient enough for hardware to pause RISC */
317 	udelay(100);
318 	if (rd_reg_dword(&reg->host_status) & HSRX_RISC_PAUSED)
319 		set_bit(RISC_PAUSE_CMPL, &ha->fw_dump_cap_flags);
320 }
321 
322 int
323 qla24xx_soft_reset(struct qla_hw_data *ha)
324 {
325 	int rval = QLA_SUCCESS;
326 	uint32_t cnt;
327 	uint16_t wd;
328 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
329 
330 	/*
331 	 * Reset RISC. The delay is dependent on system architecture.
332 	 * Driver can proceed with the reset sequence after waiting
333 	 * for a timeout period.
334 	 */
335 	wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
336 	for (cnt = 0; cnt < 30000; cnt++) {
337 		if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
338 			break;
339 
340 		udelay(10);
341 	}
342 	if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
343 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
344 
345 	wrt_reg_dword(&reg->ctrl_status,
346 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
347 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
348 
349 	udelay(100);
350 
351 	/* Wait for soft-reset to complete. */
352 	for (cnt = 0; cnt < 30000; cnt++) {
353 		if ((rd_reg_dword(&reg->ctrl_status) &
354 		    CSRX_ISP_SOFT_RESET) == 0)
355 			break;
356 
357 		udelay(10);
358 	}
359 	if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
360 		set_bit(ISP_RESET_CMPL, &ha->fw_dump_cap_flags);
361 
362 	wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
363 	rd_reg_dword(&reg->hccr);             /* PCI Posting. */
364 
365 	for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
366 	    rval == QLA_SUCCESS; cnt--) {
367 		if (cnt)
368 			udelay(10);
369 		else
370 			rval = QLA_FUNCTION_TIMEOUT;
371 	}
372 	if (rval == QLA_SUCCESS)
373 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
374 
375 	return rval;
376 }
377 
378 static int
379 qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, __be16 *ram,
380     uint32_t ram_words, void **nxt)
381 {
382 	int rval;
383 	uint32_t cnt, stat, timer, words, idx;
384 	uint16_t mb0;
385 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
386 	dma_addr_t dump_dma = ha->gid_list_dma;
387 	__le16 *dump = (__force __le16 *)ha->gid_list;
388 
389 	rval = QLA_SUCCESS;
390 	mb0 = 0;
391 
392 	WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED);
393 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
394 
395 	words = qla2x00_gid_list_size(ha) / 2;
396 	for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS;
397 	    cnt += words, addr += words) {
398 		if (cnt + words > ram_words)
399 			words = ram_words - cnt;
400 
401 		WRT_MAILBOX_REG(ha, reg, 1, LSW(addr));
402 		WRT_MAILBOX_REG(ha, reg, 8, MSW(addr));
403 
404 		WRT_MAILBOX_REG(ha, reg, 2, MSW(dump_dma));
405 		WRT_MAILBOX_REG(ha, reg, 3, LSW(dump_dma));
406 		WRT_MAILBOX_REG(ha, reg, 6, MSW(MSD(dump_dma)));
407 		WRT_MAILBOX_REG(ha, reg, 7, LSW(MSD(dump_dma)));
408 
409 		WRT_MAILBOX_REG(ha, reg, 4, words);
410 		wrt_reg_word(&reg->hccr, HCCR_SET_HOST_INT);
411 
412 		for (timer = 6000000; timer; timer--) {
413 			/* Check for pending interrupts. */
414 			stat = rd_reg_dword(&reg->u.isp2300.host_status);
415 			if (stat & HSR_RISC_INT) {
416 				stat &= 0xff;
417 
418 				if (stat == 0x1 || stat == 0x2) {
419 					set_bit(MBX_INTERRUPT,
420 					    &ha->mbx_cmd_flags);
421 
422 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
423 
424 					/* Release mailbox registers. */
425 					wrt_reg_word(&reg->semaphore, 0);
426 					wrt_reg_word(&reg->hccr,
427 					    HCCR_CLR_RISC_INT);
428 					rd_reg_word(&reg->hccr);
429 					break;
430 				} else if (stat == 0x10 || stat == 0x11) {
431 					set_bit(MBX_INTERRUPT,
432 					    &ha->mbx_cmd_flags);
433 
434 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
435 
436 					wrt_reg_word(&reg->hccr,
437 					    HCCR_CLR_RISC_INT);
438 					rd_reg_word(&reg->hccr);
439 					break;
440 				}
441 
442 				/* clear this intr; it wasn't a mailbox intr */
443 				wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
444 				rd_reg_word(&reg->hccr);
445 			}
446 			udelay(5);
447 		}
448 
449 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
450 			rval = mb0 & MBS_MASK;
451 			for (idx = 0; idx < words; idx++)
452 				ram[cnt + idx] =
453 					cpu_to_be16(le16_to_cpu(dump[idx]));
454 		} else {
455 			rval = QLA_FUNCTION_FAILED;
456 		}
457 	}
458 
459 	*nxt = rval == QLA_SUCCESS ? &ram[cnt] : NULL;
460 	return rval;
461 }
462 
463 static inline void
464 qla2xxx_read_window(struct device_reg_2xxx __iomem *reg, uint32_t count,
465 		    __be16 *buf)
466 {
467 	__le16 __iomem *dmp_reg = &reg->u.isp2300.fb_cmd;
468 
469 	for ( ; count--; dmp_reg++)
470 		*buf++ = htons(rd_reg_word(dmp_reg));
471 }
472 
473 static inline void *
474 qla24xx_copy_eft(struct qla_hw_data *ha, void *ptr)
475 {
476 	if (!ha->eft)
477 		return ptr;
478 
479 	memcpy(ptr, ha->eft, ntohl(ha->fw_dump->eft_size));
480 	return ptr + ntohl(ha->fw_dump->eft_size);
481 }
482 
483 static inline void *
484 qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
485 {
486 	uint32_t cnt;
487 	__be32 *iter_reg;
488 	struct qla2xxx_fce_chain *fcec = ptr;
489 
490 	if (!ha->fce)
491 		return ptr;
492 
493 	*last_chain = &fcec->type;
494 	fcec->type = htonl(DUMP_CHAIN_FCE);
495 	fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) +
496 	    fce_calc_size(ha->fce_bufs));
497 	fcec->size = htonl(fce_calc_size(ha->fce_bufs));
498 	fcec->addr_l = htonl(LSD(ha->fce_dma));
499 	fcec->addr_h = htonl(MSD(ha->fce_dma));
500 
501 	iter_reg = fcec->eregs;
502 	for (cnt = 0; cnt < 8; cnt++)
503 		*iter_reg++ = htonl(ha->fce_mb[cnt]);
504 
505 	memcpy(iter_reg, ha->fce, ntohl(fcec->size));
506 
507 	return (char *)iter_reg + ntohl(fcec->size);
508 }
509 
510 static inline void *
511 qla25xx_copy_exlogin(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
512 {
513 	struct qla2xxx_offld_chain *c = ptr;
514 
515 	if (!ha->exlogin_buf)
516 		return ptr;
517 
518 	*last_chain = &c->type;
519 
520 	c->type = cpu_to_be32(DUMP_CHAIN_EXLOGIN);
521 	c->chain_size = cpu_to_be32(sizeof(struct qla2xxx_offld_chain) +
522 	    ha->exlogin_size);
523 	c->size = cpu_to_be32(ha->exlogin_size);
524 	c->addr = cpu_to_be64(ha->exlogin_buf_dma);
525 
526 	ptr += sizeof(struct qla2xxx_offld_chain);
527 	memcpy(ptr, ha->exlogin_buf, ha->exlogin_size);
528 
529 	return (char *)ptr + be32_to_cpu(c->size);
530 }
531 
532 static inline void *
533 qla81xx_copy_exchoffld(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
534 {
535 	struct qla2xxx_offld_chain *c = ptr;
536 
537 	if (!ha->exchoffld_buf)
538 		return ptr;
539 
540 	*last_chain = &c->type;
541 
542 	c->type = cpu_to_be32(DUMP_CHAIN_EXCHG);
543 	c->chain_size = cpu_to_be32(sizeof(struct qla2xxx_offld_chain) +
544 	    ha->exchoffld_size);
545 	c->size = cpu_to_be32(ha->exchoffld_size);
546 	c->addr = cpu_to_be64(ha->exchoffld_buf_dma);
547 
548 	ptr += sizeof(struct qla2xxx_offld_chain);
549 	memcpy(ptr, ha->exchoffld_buf, ha->exchoffld_size);
550 
551 	return (char *)ptr + be32_to_cpu(c->size);
552 }
553 
554 static inline void *
555 qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
556 			__be32 **last_chain)
557 {
558 	struct qla2xxx_mqueue_chain *q;
559 	struct qla2xxx_mqueue_header *qh;
560 	uint32_t num_queues;
561 	int que;
562 	struct {
563 		int length;
564 		void *ring;
565 	} aq, *aqp;
566 
567 	if (!ha->tgt.atio_ring)
568 		return ptr;
569 
570 	num_queues = 1;
571 	aqp = &aq;
572 	aqp->length = ha->tgt.atio_q_length;
573 	aqp->ring = ha->tgt.atio_ring;
574 
575 	for (que = 0; que < num_queues; que++) {
576 		/* aqp = ha->atio_q_map[que]; */
577 		q = ptr;
578 		*last_chain = &q->type;
579 		q->type = htonl(DUMP_CHAIN_QUEUE);
580 		q->chain_size = htonl(
581 		    sizeof(struct qla2xxx_mqueue_chain) +
582 		    sizeof(struct qla2xxx_mqueue_header) +
583 		    (aqp->length * sizeof(request_t)));
584 		ptr += sizeof(struct qla2xxx_mqueue_chain);
585 
586 		/* Add header. */
587 		qh = ptr;
588 		qh->queue = htonl(TYPE_ATIO_QUEUE);
589 		qh->number = htonl(que);
590 		qh->size = htonl(aqp->length * sizeof(request_t));
591 		ptr += sizeof(struct qla2xxx_mqueue_header);
592 
593 		/* Add data. */
594 		memcpy(ptr, aqp->ring, aqp->length * sizeof(request_t));
595 
596 		ptr += aqp->length * sizeof(request_t);
597 	}
598 
599 	return ptr;
600 }
601 
602 static inline void *
603 qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
604 {
605 	struct qla2xxx_mqueue_chain *q;
606 	struct qla2xxx_mqueue_header *qh;
607 	struct req_que *req;
608 	struct rsp_que *rsp;
609 	int que;
610 
611 	if (!ha->mqenable)
612 		return ptr;
613 
614 	/* Request queues */
615 	for (que = 1; que < ha->max_req_queues; que++) {
616 		req = ha->req_q_map[que];
617 		if (!req)
618 			break;
619 
620 		/* Add chain. */
621 		q = ptr;
622 		*last_chain = &q->type;
623 		q->type = htonl(DUMP_CHAIN_QUEUE);
624 		q->chain_size = htonl(
625 		    sizeof(struct qla2xxx_mqueue_chain) +
626 		    sizeof(struct qla2xxx_mqueue_header) +
627 		    (req->length * sizeof(request_t)));
628 		ptr += sizeof(struct qla2xxx_mqueue_chain);
629 
630 		/* Add header. */
631 		qh = ptr;
632 		qh->queue = htonl(TYPE_REQUEST_QUEUE);
633 		qh->number = htonl(que);
634 		qh->size = htonl(req->length * sizeof(request_t));
635 		ptr += sizeof(struct qla2xxx_mqueue_header);
636 
637 		/* Add data. */
638 		memcpy(ptr, req->ring, req->length * sizeof(request_t));
639 		ptr += req->length * sizeof(request_t);
640 	}
641 
642 	/* Response queues */
643 	for (que = 1; que < ha->max_rsp_queues; que++) {
644 		rsp = ha->rsp_q_map[que];
645 		if (!rsp)
646 			break;
647 
648 		/* Add chain. */
649 		q = ptr;
650 		*last_chain = &q->type;
651 		q->type = htonl(DUMP_CHAIN_QUEUE);
652 		q->chain_size = htonl(
653 		    sizeof(struct qla2xxx_mqueue_chain) +
654 		    sizeof(struct qla2xxx_mqueue_header) +
655 		    (rsp->length * sizeof(response_t)));
656 		ptr += sizeof(struct qla2xxx_mqueue_chain);
657 
658 		/* Add header. */
659 		qh = ptr;
660 		qh->queue = htonl(TYPE_RESPONSE_QUEUE);
661 		qh->number = htonl(que);
662 		qh->size = htonl(rsp->length * sizeof(response_t));
663 		ptr += sizeof(struct qla2xxx_mqueue_header);
664 
665 		/* Add data. */
666 		memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t));
667 		ptr += rsp->length * sizeof(response_t);
668 	}
669 
670 	return ptr;
671 }
672 
673 static inline void *
674 qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
675 {
676 	uint32_t cnt, que_idx;
677 	uint8_t que_cnt;
678 	struct qla2xxx_mq_chain *mq = ptr;
679 	device_reg_t *reg;
680 
681 	if (!ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
682 	    IS_QLA28XX(ha))
683 		return ptr;
684 
685 	mq = ptr;
686 	*last_chain = &mq->type;
687 	mq->type = htonl(DUMP_CHAIN_MQ);
688 	mq->chain_size = htonl(sizeof(struct qla2xxx_mq_chain));
689 
690 	que_cnt = ha->max_req_queues > ha->max_rsp_queues ?
691 		ha->max_req_queues : ha->max_rsp_queues;
692 	mq->count = htonl(que_cnt);
693 	for (cnt = 0; cnt < que_cnt; cnt++) {
694 		reg = ISP_QUE_REG(ha, cnt);
695 		que_idx = cnt * 4;
696 		mq->qregs[que_idx] =
697 		    htonl(rd_reg_dword(&reg->isp25mq.req_q_in));
698 		mq->qregs[que_idx+1] =
699 		    htonl(rd_reg_dword(&reg->isp25mq.req_q_out));
700 		mq->qregs[que_idx+2] =
701 		    htonl(rd_reg_dword(&reg->isp25mq.rsp_q_in));
702 		mq->qregs[que_idx+3] =
703 		    htonl(rd_reg_dword(&reg->isp25mq.rsp_q_out));
704 	}
705 
706 	return ptr + sizeof(struct qla2xxx_mq_chain);
707 }
708 
709 void
710 qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
711 {
712 	struct qla_hw_data *ha = vha->hw;
713 
714 	if (rval != QLA_SUCCESS) {
715 		ql_log(ql_log_warn, vha, 0xd000,
716 		    "Failed to dump firmware (%x), dump status flags (0x%lx).\n",
717 		    rval, ha->fw_dump_cap_flags);
718 		ha->fw_dumped = false;
719 	} else {
720 		ql_log(ql_log_info, vha, 0xd001,
721 		    "Firmware dump saved to temp buffer (%ld/%p), dump status flags (0x%lx).\n",
722 		    vha->host_no, ha->fw_dump, ha->fw_dump_cap_flags);
723 		ha->fw_dumped = true;
724 		qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
725 	}
726 }
727 
728 void qla2xxx_dump_fw(scsi_qla_host_t *vha)
729 {
730 	unsigned long flags;
731 
732 	spin_lock_irqsave(&vha->hw->hardware_lock, flags);
733 	vha->hw->isp_ops->fw_dump(vha);
734 	spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
735 }
736 
737 /**
738  * qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
739  * @vha: HA context
740  */
741 void
742 qla2300_fw_dump(scsi_qla_host_t *vha)
743 {
744 	int		rval;
745 	uint32_t	cnt;
746 	struct qla_hw_data *ha = vha->hw;
747 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
748 	__le16 __iomem *dmp_reg;
749 	struct qla2300_fw_dump	*fw;
750 	void		*nxt;
751 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
752 
753 	lockdep_assert_held(&ha->hardware_lock);
754 
755 	if (!ha->fw_dump) {
756 		ql_log(ql_log_warn, vha, 0xd002,
757 		    "No buffer available for dump.\n");
758 		return;
759 	}
760 
761 	if (ha->fw_dumped) {
762 		ql_log(ql_log_warn, vha, 0xd003,
763 		    "Firmware has been previously dumped (%p) "
764 		    "-- ignoring request.\n",
765 		    ha->fw_dump);
766 		return;
767 	}
768 	fw = &ha->fw_dump->isp.isp23;
769 	qla2xxx_prep_dump(ha, ha->fw_dump);
770 
771 	rval = QLA_SUCCESS;
772 	fw->hccr = htons(rd_reg_word(&reg->hccr));
773 
774 	/* Pause RISC. */
775 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
776 	if (IS_QLA2300(ha)) {
777 		for (cnt = 30000;
778 		    (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
779 			rval == QLA_SUCCESS; cnt--) {
780 			if (cnt)
781 				udelay(100);
782 			else
783 				rval = QLA_FUNCTION_TIMEOUT;
784 		}
785 	} else {
786 		rd_reg_word(&reg->hccr);		/* PCI Posting. */
787 		udelay(10);
788 	}
789 
790 	if (rval == QLA_SUCCESS) {
791 		dmp_reg = &reg->flash_address;
792 		for (cnt = 0; cnt < ARRAY_SIZE(fw->pbiu_reg); cnt++, dmp_reg++)
793 			fw->pbiu_reg[cnt] = htons(rd_reg_word(dmp_reg));
794 
795 		dmp_reg = &reg->u.isp2300.req_q_in;
796 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_host_reg);
797 		    cnt++, dmp_reg++)
798 			fw->risc_host_reg[cnt] = htons(rd_reg_word(dmp_reg));
799 
800 		dmp_reg = &reg->u.isp2300.mailbox0;
801 		for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg);
802 		    cnt++, dmp_reg++)
803 			fw->mailbox_reg[cnt] = htons(rd_reg_word(dmp_reg));
804 
805 		wrt_reg_word(&reg->ctrl_status, 0x40);
806 		qla2xxx_read_window(reg, 32, fw->resp_dma_reg);
807 
808 		wrt_reg_word(&reg->ctrl_status, 0x50);
809 		qla2xxx_read_window(reg, 48, fw->dma_reg);
810 
811 		wrt_reg_word(&reg->ctrl_status, 0x00);
812 		dmp_reg = &reg->risc_hw;
813 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_hdw_reg);
814 		    cnt++, dmp_reg++)
815 			fw->risc_hdw_reg[cnt] = htons(rd_reg_word(dmp_reg));
816 
817 		wrt_reg_word(&reg->pcr, 0x2000);
818 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
819 
820 		wrt_reg_word(&reg->pcr, 0x2200);
821 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
822 
823 		wrt_reg_word(&reg->pcr, 0x2400);
824 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
825 
826 		wrt_reg_word(&reg->pcr, 0x2600);
827 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
828 
829 		wrt_reg_word(&reg->pcr, 0x2800);
830 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
831 
832 		wrt_reg_word(&reg->pcr, 0x2A00);
833 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
834 
835 		wrt_reg_word(&reg->pcr, 0x2C00);
836 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
837 
838 		wrt_reg_word(&reg->pcr, 0x2E00);
839 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
840 
841 		wrt_reg_word(&reg->ctrl_status, 0x10);
842 		qla2xxx_read_window(reg, 64, fw->frame_buf_hdw_reg);
843 
844 		wrt_reg_word(&reg->ctrl_status, 0x20);
845 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
846 
847 		wrt_reg_word(&reg->ctrl_status, 0x30);
848 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
849 
850 		/* Reset RISC. */
851 		wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
852 		for (cnt = 0; cnt < 30000; cnt++) {
853 			if ((rd_reg_word(&reg->ctrl_status) &
854 			    CSR_ISP_SOFT_RESET) == 0)
855 				break;
856 
857 			udelay(10);
858 		}
859 	}
860 
861 	if (!IS_QLA2300(ha)) {
862 		for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
863 		    rval == QLA_SUCCESS; cnt--) {
864 			if (cnt)
865 				udelay(100);
866 			else
867 				rval = QLA_FUNCTION_TIMEOUT;
868 		}
869 	}
870 
871 	/* Get RISC SRAM. */
872 	if (rval == QLA_SUCCESS)
873 		rval = qla2xxx_dump_ram(ha, 0x800, fw->risc_ram,
874 					ARRAY_SIZE(fw->risc_ram), &nxt);
875 
876 	/* Get stack SRAM. */
877 	if (rval == QLA_SUCCESS)
878 		rval = qla2xxx_dump_ram(ha, 0x10000, fw->stack_ram,
879 					ARRAY_SIZE(fw->stack_ram), &nxt);
880 
881 	/* Get data SRAM. */
882 	if (rval == QLA_SUCCESS)
883 		rval = qla2xxx_dump_ram(ha, 0x11000, fw->data_ram,
884 		    ha->fw_memory_size - 0x11000 + 1, &nxt);
885 
886 	if (rval == QLA_SUCCESS)
887 		qla2xxx_copy_queues(ha, nxt);
888 
889 	qla2xxx_dump_post_process(base_vha, rval);
890 }
891 
892 /**
893  * qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
894  * @vha: HA context
895  */
896 void
897 qla2100_fw_dump(scsi_qla_host_t *vha)
898 {
899 	int		rval;
900 	uint32_t	cnt, timer;
901 	uint16_t	risc_address = 0;
902 	uint16_t	mb0 = 0, mb2 = 0;
903 	struct qla_hw_data *ha = vha->hw;
904 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
905 	__le16 __iomem *dmp_reg;
906 	struct qla2100_fw_dump	*fw;
907 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
908 
909 	lockdep_assert_held(&ha->hardware_lock);
910 
911 	if (!ha->fw_dump) {
912 		ql_log(ql_log_warn, vha, 0xd004,
913 		    "No buffer available for dump.\n");
914 		return;
915 	}
916 
917 	if (ha->fw_dumped) {
918 		ql_log(ql_log_warn, vha, 0xd005,
919 		    "Firmware has been previously dumped (%p) "
920 		    "-- ignoring request.\n",
921 		    ha->fw_dump);
922 		return;
923 	}
924 	fw = &ha->fw_dump->isp.isp21;
925 	qla2xxx_prep_dump(ha, ha->fw_dump);
926 
927 	rval = QLA_SUCCESS;
928 	fw->hccr = htons(rd_reg_word(&reg->hccr));
929 
930 	/* Pause RISC. */
931 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
932 	for (cnt = 30000; (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
933 	    rval == QLA_SUCCESS; cnt--) {
934 		if (cnt)
935 			udelay(100);
936 		else
937 			rval = QLA_FUNCTION_TIMEOUT;
938 	}
939 	if (rval == QLA_SUCCESS) {
940 		dmp_reg = &reg->flash_address;
941 		for (cnt = 0; cnt < ARRAY_SIZE(fw->pbiu_reg); cnt++, dmp_reg++)
942 			fw->pbiu_reg[cnt] = htons(rd_reg_word(dmp_reg));
943 
944 		dmp_reg = &reg->u.isp2100.mailbox0;
945 		for (cnt = 0; cnt < ha->mbx_count; cnt++, dmp_reg++) {
946 			if (cnt == 8)
947 				dmp_reg = &reg->u_end.isp2200.mailbox8;
948 
949 			fw->mailbox_reg[cnt] = htons(rd_reg_word(dmp_reg));
950 		}
951 
952 		dmp_reg = &reg->u.isp2100.unused_2[0];
953 		for (cnt = 0; cnt < ARRAY_SIZE(fw->dma_reg); cnt++, dmp_reg++)
954 			fw->dma_reg[cnt] = htons(rd_reg_word(dmp_reg));
955 
956 		wrt_reg_word(&reg->ctrl_status, 0x00);
957 		dmp_reg = &reg->risc_hw;
958 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_hdw_reg); cnt++, dmp_reg++)
959 			fw->risc_hdw_reg[cnt] = htons(rd_reg_word(dmp_reg));
960 
961 		wrt_reg_word(&reg->pcr, 0x2000);
962 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
963 
964 		wrt_reg_word(&reg->pcr, 0x2100);
965 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
966 
967 		wrt_reg_word(&reg->pcr, 0x2200);
968 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
969 
970 		wrt_reg_word(&reg->pcr, 0x2300);
971 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
972 
973 		wrt_reg_word(&reg->pcr, 0x2400);
974 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
975 
976 		wrt_reg_word(&reg->pcr, 0x2500);
977 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
978 
979 		wrt_reg_word(&reg->pcr, 0x2600);
980 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
981 
982 		wrt_reg_word(&reg->pcr, 0x2700);
983 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
984 
985 		wrt_reg_word(&reg->ctrl_status, 0x10);
986 		qla2xxx_read_window(reg, 16, fw->frame_buf_hdw_reg);
987 
988 		wrt_reg_word(&reg->ctrl_status, 0x20);
989 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
990 
991 		wrt_reg_word(&reg->ctrl_status, 0x30);
992 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
993 
994 		/* Reset the ISP. */
995 		wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
996 	}
997 
998 	for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
999 	    rval == QLA_SUCCESS; cnt--) {
1000 		if (cnt)
1001 			udelay(100);
1002 		else
1003 			rval = QLA_FUNCTION_TIMEOUT;
1004 	}
1005 
1006 	/* Pause RISC. */
1007 	if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
1008 	    (rd_reg_word(&reg->mctr) & (BIT_1 | BIT_0)) != 0))) {
1009 
1010 		wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
1011 		for (cnt = 30000;
1012 		    (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
1013 		    rval == QLA_SUCCESS; cnt--) {
1014 			if (cnt)
1015 				udelay(100);
1016 			else
1017 				rval = QLA_FUNCTION_TIMEOUT;
1018 		}
1019 		if (rval == QLA_SUCCESS) {
1020 			/* Set memory configuration and timing. */
1021 			if (IS_QLA2100(ha))
1022 				wrt_reg_word(&reg->mctr, 0xf1);
1023 			else
1024 				wrt_reg_word(&reg->mctr, 0xf2);
1025 			rd_reg_word(&reg->mctr);	/* PCI Posting. */
1026 
1027 			/* Release RISC. */
1028 			wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
1029 		}
1030 	}
1031 
1032 	if (rval == QLA_SUCCESS) {
1033 		/* Get RISC SRAM. */
1034 		risc_address = 0x1000;
1035  		WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
1036 		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
1037 	}
1038 	for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_ram) && rval == QLA_SUCCESS;
1039 	    cnt++, risc_address++) {
1040  		WRT_MAILBOX_REG(ha, reg, 1, risc_address);
1041 		wrt_reg_word(&reg->hccr, HCCR_SET_HOST_INT);
1042 
1043 		for (timer = 6000000; timer != 0; timer--) {
1044 			/* Check for pending interrupts. */
1045 			if (rd_reg_word(&reg->istatus) & ISR_RISC_INT) {
1046 				if (rd_reg_word(&reg->semaphore) & BIT_0) {
1047 					set_bit(MBX_INTERRUPT,
1048 					    &ha->mbx_cmd_flags);
1049 
1050 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
1051 					mb2 = RD_MAILBOX_REG(ha, reg, 2);
1052 
1053 					wrt_reg_word(&reg->semaphore, 0);
1054 					wrt_reg_word(&reg->hccr,
1055 					    HCCR_CLR_RISC_INT);
1056 					rd_reg_word(&reg->hccr);
1057 					break;
1058 				}
1059 				wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
1060 				rd_reg_word(&reg->hccr);
1061 			}
1062 			udelay(5);
1063 		}
1064 
1065 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
1066 			rval = mb0 & MBS_MASK;
1067 			fw->risc_ram[cnt] = htons(mb2);
1068 		} else {
1069 			rval = QLA_FUNCTION_FAILED;
1070 		}
1071 	}
1072 
1073 	if (rval == QLA_SUCCESS)
1074 		qla2xxx_copy_queues(ha, &fw->queue_dump[0]);
1075 
1076 	qla2xxx_dump_post_process(base_vha, rval);
1077 }
1078 
1079 void
1080 qla24xx_fw_dump(scsi_qla_host_t *vha)
1081 {
1082 	int		rval;
1083 	uint32_t	cnt;
1084 	struct qla_hw_data *ha = vha->hw;
1085 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1086 	__le32 __iomem *dmp_reg;
1087 	__be32		*iter_reg;
1088 	__le16 __iomem *mbx_reg;
1089 	struct qla24xx_fw_dump *fw;
1090 	void		*nxt;
1091 	void		*nxt_chain;
1092 	__be32		*last_chain = NULL;
1093 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1094 
1095 	lockdep_assert_held(&ha->hardware_lock);
1096 
1097 	if (IS_P3P_TYPE(ha))
1098 		return;
1099 
1100 	ha->fw_dump_cap_flags = 0;
1101 
1102 	if (!ha->fw_dump) {
1103 		ql_log(ql_log_warn, vha, 0xd006,
1104 		    "No buffer available for dump.\n");
1105 		return;
1106 	}
1107 
1108 	if (ha->fw_dumped) {
1109 		ql_log(ql_log_warn, vha, 0xd007,
1110 		    "Firmware has been previously dumped (%p) "
1111 		    "-- ignoring request.\n",
1112 		    ha->fw_dump);
1113 		return;
1114 	}
1115 	QLA_FW_STOPPED(ha);
1116 	fw = &ha->fw_dump->isp.isp24;
1117 	qla2xxx_prep_dump(ha, ha->fw_dump);
1118 
1119 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1120 
1121 	/*
1122 	 * Pause RISC. No need to track timeout, as resetting the chip
1123 	 * is the right approach incase of pause timeout
1124 	 */
1125 	qla24xx_pause_risc(reg, ha);
1126 
1127 	/* Host interface registers. */
1128 	dmp_reg = &reg->flash_addr;
1129 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1130 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1131 
1132 	/* Disable interrupts. */
1133 	wrt_reg_dword(&reg->ictrl, 0);
1134 	rd_reg_dword(&reg->ictrl);
1135 
1136 	/* Shadow registers. */
1137 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1138 	rd_reg_dword(&reg->iobase_addr);
1139 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1140 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1141 
1142 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1143 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1144 
1145 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1146 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1147 
1148 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1149 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1150 
1151 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1152 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1153 
1154 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1155 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1156 
1157 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1158 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1159 
1160 	/* Mailbox registers. */
1161 	mbx_reg = &reg->mailbox0;
1162 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1163 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1164 
1165 	/* Transfer sequence registers. */
1166 	iter_reg = fw->xseq_gp_reg;
1167 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1168 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1169 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1170 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1171 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1172 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1173 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1174 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1175 
1176 	qla24xx_read_window(reg, 0xBFE0, 16, fw->xseq_0_reg);
1177 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1178 
1179 	/* Receive sequence registers. */
1180 	iter_reg = fw->rseq_gp_reg;
1181 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1182 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1183 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1184 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1185 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1186 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1187 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1188 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1189 
1190 	qla24xx_read_window(reg, 0xFFD0, 16, fw->rseq_0_reg);
1191 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1192 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1193 
1194 	/* Command DMA registers. */
1195 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1196 
1197 	/* Queues. */
1198 	iter_reg = fw->req0_dma_reg;
1199 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1200 	dmp_reg = &reg->iobase_q;
1201 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1202 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1203 
1204 	iter_reg = fw->resp0_dma_reg;
1205 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1206 	dmp_reg = &reg->iobase_q;
1207 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1208 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1209 
1210 	iter_reg = fw->req1_dma_reg;
1211 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1212 	dmp_reg = &reg->iobase_q;
1213 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1214 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1215 
1216 	/* Transmit DMA registers. */
1217 	iter_reg = fw->xmt0_dma_reg;
1218 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1219 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1220 
1221 	iter_reg = fw->xmt1_dma_reg;
1222 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1223 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1224 
1225 	iter_reg = fw->xmt2_dma_reg;
1226 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1227 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1228 
1229 	iter_reg = fw->xmt3_dma_reg;
1230 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1231 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1232 
1233 	iter_reg = fw->xmt4_dma_reg;
1234 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1235 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1236 
1237 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1238 
1239 	/* Receive DMA registers. */
1240 	iter_reg = fw->rcvt0_data_dma_reg;
1241 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1242 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1243 
1244 	iter_reg = fw->rcvt1_data_dma_reg;
1245 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1246 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1247 
1248 	/* RISC registers. */
1249 	iter_reg = fw->risc_gp_reg;
1250 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1251 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1252 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1253 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1254 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1255 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1256 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1257 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1258 
1259 	/* Local memory controller registers. */
1260 	iter_reg = fw->lmc_reg;
1261 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1262 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1263 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1264 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1265 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1266 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1267 	qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1268 
1269 	/* Fibre Protocol Module registers. */
1270 	iter_reg = fw->fpm_hdw_reg;
1271 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1272 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1273 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1274 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1275 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1276 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1277 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1278 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1279 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1280 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1281 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1282 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1283 
1284 	/* Frame Buffer registers. */
1285 	iter_reg = fw->fb_hdw_reg;
1286 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1287 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1288 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1289 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1290 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1291 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1292 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1293 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1294 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1295 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1296 	qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1297 
1298 	rval = qla24xx_soft_reset(ha);
1299 	if (rval != QLA_SUCCESS)
1300 		goto qla24xx_fw_dump_failed_0;
1301 
1302 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1303 	    &nxt);
1304 	if (rval != QLA_SUCCESS)
1305 		goto qla24xx_fw_dump_failed_0;
1306 
1307 	nxt = qla2xxx_copy_queues(ha, nxt);
1308 
1309 	qla24xx_copy_eft(ha, nxt);
1310 
1311 	nxt_chain = (void *)ha->fw_dump + ha->chain_offset;
1312 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1313 	if (last_chain) {
1314 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1315 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1316 	}
1317 
1318 	/* Adjust valid length. */
1319 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1320 
1321 qla24xx_fw_dump_failed_0:
1322 	qla2xxx_dump_post_process(base_vha, rval);
1323 }
1324 
1325 void
1326 qla25xx_fw_dump(scsi_qla_host_t *vha)
1327 {
1328 	int		rval;
1329 	uint32_t	cnt;
1330 	struct qla_hw_data *ha = vha->hw;
1331 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1332 	__le32 __iomem *dmp_reg;
1333 	__be32		*iter_reg;
1334 	__le16 __iomem *mbx_reg;
1335 	struct qla25xx_fw_dump *fw;
1336 	void		*nxt, *nxt_chain;
1337 	__be32		*last_chain = NULL;
1338 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1339 
1340 	lockdep_assert_held(&ha->hardware_lock);
1341 
1342 	ha->fw_dump_cap_flags = 0;
1343 
1344 	if (!ha->fw_dump) {
1345 		ql_log(ql_log_warn, vha, 0xd008,
1346 		    "No buffer available for dump.\n");
1347 		return;
1348 	}
1349 
1350 	if (ha->fw_dumped) {
1351 		ql_log(ql_log_warn, vha, 0xd009,
1352 		    "Firmware has been previously dumped (%p) "
1353 		    "-- ignoring request.\n",
1354 		    ha->fw_dump);
1355 		return;
1356 	}
1357 	QLA_FW_STOPPED(ha);
1358 	fw = &ha->fw_dump->isp.isp25;
1359 	qla2xxx_prep_dump(ha, ha->fw_dump);
1360 	ha->fw_dump->version = htonl(2);
1361 
1362 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1363 
1364 	/*
1365 	 * Pause RISC. No need to track timeout, as resetting the chip
1366 	 * is the right approach incase of pause timeout
1367 	 */
1368 	qla24xx_pause_risc(reg, ha);
1369 
1370 	/* Host/Risc registers. */
1371 	iter_reg = fw->host_risc_reg;
1372 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1373 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1374 
1375 	/* PCIe registers. */
1376 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
1377 	rd_reg_dword(&reg->iobase_addr);
1378 	wrt_reg_dword(&reg->iobase_window, 0x01);
1379 	dmp_reg = &reg->iobase_c4;
1380 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
1381 	dmp_reg++;
1382 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
1383 	dmp_reg++;
1384 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
1385 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
1386 
1387 	wrt_reg_dword(&reg->iobase_window, 0x00);
1388 	rd_reg_dword(&reg->iobase_window);
1389 
1390 	/* Host interface registers. */
1391 	dmp_reg = &reg->flash_addr;
1392 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1393 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1394 
1395 	/* Disable interrupts. */
1396 	wrt_reg_dword(&reg->ictrl, 0);
1397 	rd_reg_dword(&reg->ictrl);
1398 
1399 	/* Shadow registers. */
1400 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1401 	rd_reg_dword(&reg->iobase_addr);
1402 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1403 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1404 
1405 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1406 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1407 
1408 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1409 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1410 
1411 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1412 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1413 
1414 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1415 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1416 
1417 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1418 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1419 
1420 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1421 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1422 
1423 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
1424 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
1425 
1426 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
1427 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
1428 
1429 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
1430 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
1431 
1432 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
1433 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
1434 
1435 	/* RISC I/O register. */
1436 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
1437 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
1438 
1439 	/* Mailbox registers. */
1440 	mbx_reg = &reg->mailbox0;
1441 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1442 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1443 
1444 	/* Transfer sequence registers. */
1445 	iter_reg = fw->xseq_gp_reg;
1446 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1447 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1448 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1449 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1450 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1451 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1452 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1453 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1454 
1455 	iter_reg = fw->xseq_0_reg;
1456 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1457 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1458 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1459 
1460 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1461 
1462 	/* Receive sequence registers. */
1463 	iter_reg = fw->rseq_gp_reg;
1464 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1465 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1466 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1467 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1468 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1469 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1470 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1471 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1472 
1473 	iter_reg = fw->rseq_0_reg;
1474 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1475 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1476 
1477 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1478 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1479 
1480 	/* Auxiliary sequence registers. */
1481 	iter_reg = fw->aseq_gp_reg;
1482 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1483 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1484 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1485 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1486 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1487 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1488 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1489 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1490 
1491 	iter_reg = fw->aseq_0_reg;
1492 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1493 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1494 
1495 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1496 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1497 
1498 	/* Command DMA registers. */
1499 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1500 
1501 	/* Queues. */
1502 	iter_reg = fw->req0_dma_reg;
1503 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1504 	dmp_reg = &reg->iobase_q;
1505 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1506 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1507 
1508 	iter_reg = fw->resp0_dma_reg;
1509 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1510 	dmp_reg = &reg->iobase_q;
1511 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1512 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1513 
1514 	iter_reg = fw->req1_dma_reg;
1515 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1516 	dmp_reg = &reg->iobase_q;
1517 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1518 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1519 
1520 	/* Transmit DMA registers. */
1521 	iter_reg = fw->xmt0_dma_reg;
1522 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1523 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1524 
1525 	iter_reg = fw->xmt1_dma_reg;
1526 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1527 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1528 
1529 	iter_reg = fw->xmt2_dma_reg;
1530 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1531 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1532 
1533 	iter_reg = fw->xmt3_dma_reg;
1534 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1535 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1536 
1537 	iter_reg = fw->xmt4_dma_reg;
1538 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1539 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1540 
1541 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1542 
1543 	/* Receive DMA registers. */
1544 	iter_reg = fw->rcvt0_data_dma_reg;
1545 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1546 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1547 
1548 	iter_reg = fw->rcvt1_data_dma_reg;
1549 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1550 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1551 
1552 	/* RISC registers. */
1553 	iter_reg = fw->risc_gp_reg;
1554 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1555 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1556 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1557 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1558 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1559 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1560 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1561 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1562 
1563 	/* Local memory controller registers. */
1564 	iter_reg = fw->lmc_reg;
1565 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1566 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1567 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1568 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1569 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1570 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1571 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1572 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1573 
1574 	/* Fibre Protocol Module registers. */
1575 	iter_reg = fw->fpm_hdw_reg;
1576 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1577 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1578 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1579 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1580 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1581 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1582 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1583 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1584 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1585 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1586 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1587 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1588 
1589 	/* Frame Buffer registers. */
1590 	iter_reg = fw->fb_hdw_reg;
1591 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1592 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1593 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1594 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1595 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1596 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1597 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1598 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1599 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1600 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1601 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1602 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1603 
1604 	/* Multi queue registers */
1605 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1606 	    &last_chain);
1607 
1608 	rval = qla24xx_soft_reset(ha);
1609 	if (rval != QLA_SUCCESS)
1610 		goto qla25xx_fw_dump_failed_0;
1611 
1612 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1613 	    &nxt);
1614 	if (rval != QLA_SUCCESS)
1615 		goto qla25xx_fw_dump_failed_0;
1616 
1617 	nxt = qla2xxx_copy_queues(ha, nxt);
1618 
1619 	qla24xx_copy_eft(ha, nxt);
1620 
1621 	/* Chain entries -- started with MQ. */
1622 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1623 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1624 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1625 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
1626 	if (last_chain) {
1627 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1628 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1629 	}
1630 
1631 	/* Adjust valid length. */
1632 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1633 
1634 qla25xx_fw_dump_failed_0:
1635 	qla2xxx_dump_post_process(base_vha, rval);
1636 }
1637 
1638 void
1639 qla81xx_fw_dump(scsi_qla_host_t *vha)
1640 {
1641 	int		rval;
1642 	uint32_t	cnt;
1643 	struct qla_hw_data *ha = vha->hw;
1644 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1645 	__le32 __iomem *dmp_reg;
1646 	__be32		*iter_reg;
1647 	__le16 __iomem *mbx_reg;
1648 	struct qla81xx_fw_dump *fw;
1649 	void		*nxt, *nxt_chain;
1650 	__be32		*last_chain = NULL;
1651 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1652 
1653 	lockdep_assert_held(&ha->hardware_lock);
1654 
1655 	ha->fw_dump_cap_flags = 0;
1656 
1657 	if (!ha->fw_dump) {
1658 		ql_log(ql_log_warn, vha, 0xd00a,
1659 		    "No buffer available for dump.\n");
1660 		return;
1661 	}
1662 
1663 	if (ha->fw_dumped) {
1664 		ql_log(ql_log_warn, vha, 0xd00b,
1665 		    "Firmware has been previously dumped (%p) "
1666 		    "-- ignoring request.\n",
1667 		    ha->fw_dump);
1668 		return;
1669 	}
1670 	fw = &ha->fw_dump->isp.isp81;
1671 	qla2xxx_prep_dump(ha, ha->fw_dump);
1672 
1673 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1674 
1675 	/*
1676 	 * Pause RISC. No need to track timeout, as resetting the chip
1677 	 * is the right approach incase of pause timeout
1678 	 */
1679 	qla24xx_pause_risc(reg, ha);
1680 
1681 	/* Host/Risc registers. */
1682 	iter_reg = fw->host_risc_reg;
1683 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1684 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1685 
1686 	/* PCIe registers. */
1687 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
1688 	rd_reg_dword(&reg->iobase_addr);
1689 	wrt_reg_dword(&reg->iobase_window, 0x01);
1690 	dmp_reg = &reg->iobase_c4;
1691 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
1692 	dmp_reg++;
1693 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
1694 	dmp_reg++;
1695 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
1696 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
1697 
1698 	wrt_reg_dword(&reg->iobase_window, 0x00);
1699 	rd_reg_dword(&reg->iobase_window);
1700 
1701 	/* Host interface registers. */
1702 	dmp_reg = &reg->flash_addr;
1703 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1704 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1705 
1706 	/* Disable interrupts. */
1707 	wrt_reg_dword(&reg->ictrl, 0);
1708 	rd_reg_dword(&reg->ictrl);
1709 
1710 	/* Shadow registers. */
1711 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1712 	rd_reg_dword(&reg->iobase_addr);
1713 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1714 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1715 
1716 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1717 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1718 
1719 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1720 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1721 
1722 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1723 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1724 
1725 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1726 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1727 
1728 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1729 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1730 
1731 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1732 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1733 
1734 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
1735 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
1736 
1737 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
1738 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
1739 
1740 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
1741 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
1742 
1743 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
1744 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
1745 
1746 	/* RISC I/O register. */
1747 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
1748 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
1749 
1750 	/* Mailbox registers. */
1751 	mbx_reg = &reg->mailbox0;
1752 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1753 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1754 
1755 	/* Transfer sequence registers. */
1756 	iter_reg = fw->xseq_gp_reg;
1757 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1758 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1759 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1760 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1761 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1762 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1763 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1764 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1765 
1766 	iter_reg = fw->xseq_0_reg;
1767 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1768 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1769 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1770 
1771 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1772 
1773 	/* Receive sequence registers. */
1774 	iter_reg = fw->rseq_gp_reg;
1775 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1776 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1777 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1778 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1779 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1780 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1781 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1782 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1783 
1784 	iter_reg = fw->rseq_0_reg;
1785 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1786 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1787 
1788 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1789 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1790 
1791 	/* Auxiliary sequence registers. */
1792 	iter_reg = fw->aseq_gp_reg;
1793 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1794 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1795 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1796 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1797 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1798 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1799 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1800 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1801 
1802 	iter_reg = fw->aseq_0_reg;
1803 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1804 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1805 
1806 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1807 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1808 
1809 	/* Command DMA registers. */
1810 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1811 
1812 	/* Queues. */
1813 	iter_reg = fw->req0_dma_reg;
1814 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1815 	dmp_reg = &reg->iobase_q;
1816 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1817 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1818 
1819 	iter_reg = fw->resp0_dma_reg;
1820 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1821 	dmp_reg = &reg->iobase_q;
1822 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1823 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1824 
1825 	iter_reg = fw->req1_dma_reg;
1826 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1827 	dmp_reg = &reg->iobase_q;
1828 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1829 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1830 
1831 	/* Transmit DMA registers. */
1832 	iter_reg = fw->xmt0_dma_reg;
1833 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1834 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1835 
1836 	iter_reg = fw->xmt1_dma_reg;
1837 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1838 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1839 
1840 	iter_reg = fw->xmt2_dma_reg;
1841 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1842 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1843 
1844 	iter_reg = fw->xmt3_dma_reg;
1845 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1846 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1847 
1848 	iter_reg = fw->xmt4_dma_reg;
1849 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1850 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1851 
1852 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1853 
1854 	/* Receive DMA registers. */
1855 	iter_reg = fw->rcvt0_data_dma_reg;
1856 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1857 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1858 
1859 	iter_reg = fw->rcvt1_data_dma_reg;
1860 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1861 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1862 
1863 	/* RISC registers. */
1864 	iter_reg = fw->risc_gp_reg;
1865 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1866 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1867 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1868 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1869 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1870 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1871 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1872 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1873 
1874 	/* Local memory controller registers. */
1875 	iter_reg = fw->lmc_reg;
1876 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1877 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1878 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1879 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1880 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1881 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1882 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1883 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1884 
1885 	/* Fibre Protocol Module registers. */
1886 	iter_reg = fw->fpm_hdw_reg;
1887 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1888 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1889 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1890 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1891 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1892 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1893 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1894 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1895 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1896 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1897 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1898 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1899 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
1900 	qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
1901 
1902 	/* Frame Buffer registers. */
1903 	iter_reg = fw->fb_hdw_reg;
1904 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1905 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1906 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1907 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1908 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1909 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1910 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1911 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1912 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1913 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1914 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1915 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
1916 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1917 
1918 	/* Multi queue registers */
1919 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1920 	    &last_chain);
1921 
1922 	rval = qla24xx_soft_reset(ha);
1923 	if (rval != QLA_SUCCESS)
1924 		goto qla81xx_fw_dump_failed_0;
1925 
1926 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1927 	    &nxt);
1928 	if (rval != QLA_SUCCESS)
1929 		goto qla81xx_fw_dump_failed_0;
1930 
1931 	nxt = qla2xxx_copy_queues(ha, nxt);
1932 
1933 	qla24xx_copy_eft(ha, nxt);
1934 
1935 	/* Chain entries -- started with MQ. */
1936 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1937 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1938 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1939 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
1940 	nxt_chain = qla81xx_copy_exchoffld(ha, nxt_chain, &last_chain);
1941 	if (last_chain) {
1942 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1943 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1944 	}
1945 
1946 	/* Adjust valid length. */
1947 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1948 
1949 qla81xx_fw_dump_failed_0:
1950 	qla2xxx_dump_post_process(base_vha, rval);
1951 }
1952 
1953 void
1954 qla83xx_fw_dump(scsi_qla_host_t *vha)
1955 {
1956 	int		rval;
1957 	uint32_t	cnt;
1958 	struct qla_hw_data *ha = vha->hw;
1959 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1960 	__le32 __iomem *dmp_reg;
1961 	__be32		*iter_reg;
1962 	__le16 __iomem *mbx_reg;
1963 	struct qla83xx_fw_dump *fw;
1964 	void		*nxt, *nxt_chain;
1965 	__be32		*last_chain = NULL;
1966 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1967 
1968 	lockdep_assert_held(&ha->hardware_lock);
1969 
1970 	ha->fw_dump_cap_flags = 0;
1971 
1972 	if (!ha->fw_dump) {
1973 		ql_log(ql_log_warn, vha, 0xd00c,
1974 		    "No buffer available for dump!!!\n");
1975 		return;
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 		return;
1983 	}
1984 	QLA_FW_STOPPED(ha);
1985 	fw = &ha->fw_dump->isp.isp83;
1986 	qla2xxx_prep_dump(ha, ha->fw_dump);
1987 
1988 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1989 
1990 	/*
1991 	 * Pause RISC. No need to track timeout, as resetting the chip
1992 	 * is the right approach incase of pause timeout
1993 	 */
1994 	qla24xx_pause_risc(reg, ha);
1995 
1996 	wrt_reg_dword(&reg->iobase_addr, 0x6000);
1997 	dmp_reg = &reg->iobase_window;
1998 	rd_reg_dword(dmp_reg);
1999 	wrt_reg_dword(dmp_reg, 0);
2000 
2001 	dmp_reg = &reg->unused_4_1[0];
2002 	rd_reg_dword(dmp_reg);
2003 	wrt_reg_dword(dmp_reg, 0);
2004 
2005 	wrt_reg_dword(&reg->iobase_addr, 0x6010);
2006 	dmp_reg = &reg->unused_4_1[2];
2007 	rd_reg_dword(dmp_reg);
2008 	wrt_reg_dword(dmp_reg, 0);
2009 
2010 	/* select PCR and disable ecc checking and correction */
2011 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
2012 	rd_reg_dword(&reg->iobase_addr);
2013 	wrt_reg_dword(&reg->iobase_select, 0x60000000);	/* write to F0h = PCR */
2014 
2015 	/* Host/Risc registers. */
2016 	iter_reg = fw->host_risc_reg;
2017 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
2018 	iter_reg = qla24xx_read_window(reg, 0x7010, 16, iter_reg);
2019 	qla24xx_read_window(reg, 0x7040, 16, iter_reg);
2020 
2021 	/* PCIe registers. */
2022 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
2023 	rd_reg_dword(&reg->iobase_addr);
2024 	wrt_reg_dword(&reg->iobase_window, 0x01);
2025 	dmp_reg = &reg->iobase_c4;
2026 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
2027 	dmp_reg++;
2028 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
2029 	dmp_reg++;
2030 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
2031 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
2032 
2033 	wrt_reg_dword(&reg->iobase_window, 0x00);
2034 	rd_reg_dword(&reg->iobase_window);
2035 
2036 	/* Host interface registers. */
2037 	dmp_reg = &reg->flash_addr;
2038 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
2039 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
2040 
2041 	/* Disable interrupts. */
2042 	wrt_reg_dword(&reg->ictrl, 0);
2043 	rd_reg_dword(&reg->ictrl);
2044 
2045 	/* Shadow registers. */
2046 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
2047 	rd_reg_dword(&reg->iobase_addr);
2048 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
2049 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
2050 
2051 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
2052 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
2053 
2054 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
2055 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
2056 
2057 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
2058 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
2059 
2060 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
2061 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
2062 
2063 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
2064 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
2065 
2066 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
2067 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
2068 
2069 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
2070 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
2071 
2072 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
2073 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
2074 
2075 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
2076 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
2077 
2078 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
2079 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
2080 
2081 	/* RISC I/O register. */
2082 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
2083 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
2084 
2085 	/* Mailbox registers. */
2086 	mbx_reg = &reg->mailbox0;
2087 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
2088 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
2089 
2090 	/* Transfer sequence registers. */
2091 	iter_reg = fw->xseq_gp_reg;
2092 	iter_reg = qla24xx_read_window(reg, 0xBE00, 16, iter_reg);
2093 	iter_reg = qla24xx_read_window(reg, 0xBE10, 16, iter_reg);
2094 	iter_reg = qla24xx_read_window(reg, 0xBE20, 16, iter_reg);
2095 	iter_reg = qla24xx_read_window(reg, 0xBE30, 16, iter_reg);
2096 	iter_reg = qla24xx_read_window(reg, 0xBE40, 16, iter_reg);
2097 	iter_reg = qla24xx_read_window(reg, 0xBE50, 16, iter_reg);
2098 	iter_reg = qla24xx_read_window(reg, 0xBE60, 16, iter_reg);
2099 	iter_reg = qla24xx_read_window(reg, 0xBE70, 16, iter_reg);
2100 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
2101 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
2102 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
2103 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
2104 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
2105 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
2106 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
2107 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
2108 
2109 	iter_reg = fw->xseq_0_reg;
2110 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
2111 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
2112 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
2113 
2114 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
2115 
2116 	qla24xx_read_window(reg, 0xBEF0, 16, fw->xseq_2_reg);
2117 
2118 	/* Receive sequence registers. */
2119 	iter_reg = fw->rseq_gp_reg;
2120 	iter_reg = qla24xx_read_window(reg, 0xFE00, 16, iter_reg);
2121 	iter_reg = qla24xx_read_window(reg, 0xFE10, 16, iter_reg);
2122 	iter_reg = qla24xx_read_window(reg, 0xFE20, 16, iter_reg);
2123 	iter_reg = qla24xx_read_window(reg, 0xFE30, 16, iter_reg);
2124 	iter_reg = qla24xx_read_window(reg, 0xFE40, 16, iter_reg);
2125 	iter_reg = qla24xx_read_window(reg, 0xFE50, 16, iter_reg);
2126 	iter_reg = qla24xx_read_window(reg, 0xFE60, 16, iter_reg);
2127 	iter_reg = qla24xx_read_window(reg, 0xFE70, 16, iter_reg);
2128 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
2129 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
2130 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
2131 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
2132 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
2133 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
2134 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
2135 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
2136 
2137 	iter_reg = fw->rseq_0_reg;
2138 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
2139 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
2140 
2141 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
2142 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
2143 	qla24xx_read_window(reg, 0xFEF0, 16, fw->rseq_3_reg);
2144 
2145 	/* Auxiliary sequence registers. */
2146 	iter_reg = fw->aseq_gp_reg;
2147 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
2148 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
2149 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
2150 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
2151 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
2152 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
2153 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
2154 	iter_reg = qla24xx_read_window(reg, 0xB070, 16, iter_reg);
2155 	iter_reg = qla24xx_read_window(reg, 0xB100, 16, iter_reg);
2156 	iter_reg = qla24xx_read_window(reg, 0xB110, 16, iter_reg);
2157 	iter_reg = qla24xx_read_window(reg, 0xB120, 16, iter_reg);
2158 	iter_reg = qla24xx_read_window(reg, 0xB130, 16, iter_reg);
2159 	iter_reg = qla24xx_read_window(reg, 0xB140, 16, iter_reg);
2160 	iter_reg = qla24xx_read_window(reg, 0xB150, 16, iter_reg);
2161 	iter_reg = qla24xx_read_window(reg, 0xB160, 16, iter_reg);
2162 	qla24xx_read_window(reg, 0xB170, 16, iter_reg);
2163 
2164 	iter_reg = fw->aseq_0_reg;
2165 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
2166 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
2167 
2168 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
2169 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
2170 	qla24xx_read_window(reg, 0xB1F0, 16, fw->aseq_3_reg);
2171 
2172 	/* Command DMA registers. */
2173 	iter_reg = fw->cmd_dma_reg;
2174 	iter_reg = qla24xx_read_window(reg, 0x7100, 16, iter_reg);
2175 	iter_reg = qla24xx_read_window(reg, 0x7120, 16, iter_reg);
2176 	iter_reg = qla24xx_read_window(reg, 0x7130, 16, iter_reg);
2177 	qla24xx_read_window(reg, 0x71F0, 16, iter_reg);
2178 
2179 	/* Queues. */
2180 	iter_reg = fw->req0_dma_reg;
2181 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
2182 	dmp_reg = &reg->iobase_q;
2183 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2184 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2185 
2186 	iter_reg = fw->resp0_dma_reg;
2187 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
2188 	dmp_reg = &reg->iobase_q;
2189 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2190 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2191 
2192 	iter_reg = fw->req1_dma_reg;
2193 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
2194 	dmp_reg = &reg->iobase_q;
2195 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2196 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2197 
2198 	/* Transmit DMA registers. */
2199 	iter_reg = fw->xmt0_dma_reg;
2200 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
2201 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
2202 
2203 	iter_reg = fw->xmt1_dma_reg;
2204 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
2205 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
2206 
2207 	iter_reg = fw->xmt2_dma_reg;
2208 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
2209 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
2210 
2211 	iter_reg = fw->xmt3_dma_reg;
2212 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
2213 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
2214 
2215 	iter_reg = fw->xmt4_dma_reg;
2216 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
2217 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
2218 
2219 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
2220 
2221 	/* Receive DMA registers. */
2222 	iter_reg = fw->rcvt0_data_dma_reg;
2223 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
2224 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
2225 
2226 	iter_reg = fw->rcvt1_data_dma_reg;
2227 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
2228 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
2229 
2230 	/* RISC registers. */
2231 	iter_reg = fw->risc_gp_reg;
2232 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
2233 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
2234 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
2235 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
2236 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
2237 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
2238 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
2239 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
2240 
2241 	/* Local memory controller registers. */
2242 	iter_reg = fw->lmc_reg;
2243 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
2244 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
2245 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
2246 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
2247 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
2248 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
2249 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
2250 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
2251 
2252 	/* Fibre Protocol Module registers. */
2253 	iter_reg = fw->fpm_hdw_reg;
2254 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
2255 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
2256 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
2257 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
2258 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
2259 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
2260 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
2261 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
2262 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
2263 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
2264 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
2265 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
2266 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
2267 	iter_reg = qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
2268 	iter_reg = qla24xx_read_window(reg, 0x40E0, 16, iter_reg);
2269 	qla24xx_read_window(reg, 0x40F0, 16, iter_reg);
2270 
2271 	/* RQ0 Array registers. */
2272 	iter_reg = fw->rq0_array_reg;
2273 	iter_reg = qla24xx_read_window(reg, 0x5C00, 16, iter_reg);
2274 	iter_reg = qla24xx_read_window(reg, 0x5C10, 16, iter_reg);
2275 	iter_reg = qla24xx_read_window(reg, 0x5C20, 16, iter_reg);
2276 	iter_reg = qla24xx_read_window(reg, 0x5C30, 16, iter_reg);
2277 	iter_reg = qla24xx_read_window(reg, 0x5C40, 16, iter_reg);
2278 	iter_reg = qla24xx_read_window(reg, 0x5C50, 16, iter_reg);
2279 	iter_reg = qla24xx_read_window(reg, 0x5C60, 16, iter_reg);
2280 	iter_reg = qla24xx_read_window(reg, 0x5C70, 16, iter_reg);
2281 	iter_reg = qla24xx_read_window(reg, 0x5C80, 16, iter_reg);
2282 	iter_reg = qla24xx_read_window(reg, 0x5C90, 16, iter_reg);
2283 	iter_reg = qla24xx_read_window(reg, 0x5CA0, 16, iter_reg);
2284 	iter_reg = qla24xx_read_window(reg, 0x5CB0, 16, iter_reg);
2285 	iter_reg = qla24xx_read_window(reg, 0x5CC0, 16, iter_reg);
2286 	iter_reg = qla24xx_read_window(reg, 0x5CD0, 16, iter_reg);
2287 	iter_reg = qla24xx_read_window(reg, 0x5CE0, 16, iter_reg);
2288 	qla24xx_read_window(reg, 0x5CF0, 16, iter_reg);
2289 
2290 	/* RQ1 Array registers. */
2291 	iter_reg = fw->rq1_array_reg;
2292 	iter_reg = qla24xx_read_window(reg, 0x5D00, 16, iter_reg);
2293 	iter_reg = qla24xx_read_window(reg, 0x5D10, 16, iter_reg);
2294 	iter_reg = qla24xx_read_window(reg, 0x5D20, 16, iter_reg);
2295 	iter_reg = qla24xx_read_window(reg, 0x5D30, 16, iter_reg);
2296 	iter_reg = qla24xx_read_window(reg, 0x5D40, 16, iter_reg);
2297 	iter_reg = qla24xx_read_window(reg, 0x5D50, 16, iter_reg);
2298 	iter_reg = qla24xx_read_window(reg, 0x5D60, 16, iter_reg);
2299 	iter_reg = qla24xx_read_window(reg, 0x5D70, 16, iter_reg);
2300 	iter_reg = qla24xx_read_window(reg, 0x5D80, 16, iter_reg);
2301 	iter_reg = qla24xx_read_window(reg, 0x5D90, 16, iter_reg);
2302 	iter_reg = qla24xx_read_window(reg, 0x5DA0, 16, iter_reg);
2303 	iter_reg = qla24xx_read_window(reg, 0x5DB0, 16, iter_reg);
2304 	iter_reg = qla24xx_read_window(reg, 0x5DC0, 16, iter_reg);
2305 	iter_reg = qla24xx_read_window(reg, 0x5DD0, 16, iter_reg);
2306 	iter_reg = qla24xx_read_window(reg, 0x5DE0, 16, iter_reg);
2307 	qla24xx_read_window(reg, 0x5DF0, 16, iter_reg);
2308 
2309 	/* RP0 Array registers. */
2310 	iter_reg = fw->rp0_array_reg;
2311 	iter_reg = qla24xx_read_window(reg, 0x5E00, 16, iter_reg);
2312 	iter_reg = qla24xx_read_window(reg, 0x5E10, 16, iter_reg);
2313 	iter_reg = qla24xx_read_window(reg, 0x5E20, 16, iter_reg);
2314 	iter_reg = qla24xx_read_window(reg, 0x5E30, 16, iter_reg);
2315 	iter_reg = qla24xx_read_window(reg, 0x5E40, 16, iter_reg);
2316 	iter_reg = qla24xx_read_window(reg, 0x5E50, 16, iter_reg);
2317 	iter_reg = qla24xx_read_window(reg, 0x5E60, 16, iter_reg);
2318 	iter_reg = qla24xx_read_window(reg, 0x5E70, 16, iter_reg);
2319 	iter_reg = qla24xx_read_window(reg, 0x5E80, 16, iter_reg);
2320 	iter_reg = qla24xx_read_window(reg, 0x5E90, 16, iter_reg);
2321 	iter_reg = qla24xx_read_window(reg, 0x5EA0, 16, iter_reg);
2322 	iter_reg = qla24xx_read_window(reg, 0x5EB0, 16, iter_reg);
2323 	iter_reg = qla24xx_read_window(reg, 0x5EC0, 16, iter_reg);
2324 	iter_reg = qla24xx_read_window(reg, 0x5ED0, 16, iter_reg);
2325 	iter_reg = qla24xx_read_window(reg, 0x5EE0, 16, iter_reg);
2326 	qla24xx_read_window(reg, 0x5EF0, 16, iter_reg);
2327 
2328 	/* RP1 Array registers. */
2329 	iter_reg = fw->rp1_array_reg;
2330 	iter_reg = qla24xx_read_window(reg, 0x5F00, 16, iter_reg);
2331 	iter_reg = qla24xx_read_window(reg, 0x5F10, 16, iter_reg);
2332 	iter_reg = qla24xx_read_window(reg, 0x5F20, 16, iter_reg);
2333 	iter_reg = qla24xx_read_window(reg, 0x5F30, 16, iter_reg);
2334 	iter_reg = qla24xx_read_window(reg, 0x5F40, 16, iter_reg);
2335 	iter_reg = qla24xx_read_window(reg, 0x5F50, 16, iter_reg);
2336 	iter_reg = qla24xx_read_window(reg, 0x5F60, 16, iter_reg);
2337 	iter_reg = qla24xx_read_window(reg, 0x5F70, 16, iter_reg);
2338 	iter_reg = qla24xx_read_window(reg, 0x5F80, 16, iter_reg);
2339 	iter_reg = qla24xx_read_window(reg, 0x5F90, 16, iter_reg);
2340 	iter_reg = qla24xx_read_window(reg, 0x5FA0, 16, iter_reg);
2341 	iter_reg = qla24xx_read_window(reg, 0x5FB0, 16, iter_reg);
2342 	iter_reg = qla24xx_read_window(reg, 0x5FC0, 16, iter_reg);
2343 	iter_reg = qla24xx_read_window(reg, 0x5FD0, 16, iter_reg);
2344 	iter_reg = qla24xx_read_window(reg, 0x5FE0, 16, iter_reg);
2345 	qla24xx_read_window(reg, 0x5FF0, 16, iter_reg);
2346 
2347 	iter_reg = fw->at0_array_reg;
2348 	iter_reg = qla24xx_read_window(reg, 0x7080, 16, iter_reg);
2349 	iter_reg = qla24xx_read_window(reg, 0x7090, 16, iter_reg);
2350 	iter_reg = qla24xx_read_window(reg, 0x70A0, 16, iter_reg);
2351 	iter_reg = qla24xx_read_window(reg, 0x70B0, 16, iter_reg);
2352 	iter_reg = qla24xx_read_window(reg, 0x70C0, 16, iter_reg);
2353 	iter_reg = qla24xx_read_window(reg, 0x70D0, 16, iter_reg);
2354 	iter_reg = qla24xx_read_window(reg, 0x70E0, 16, iter_reg);
2355 	qla24xx_read_window(reg, 0x70F0, 16, iter_reg);
2356 
2357 	/* I/O Queue Control registers. */
2358 	qla24xx_read_window(reg, 0x7800, 16, fw->queue_control_reg);
2359 
2360 	/* Frame Buffer registers. */
2361 	iter_reg = fw->fb_hdw_reg;
2362 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
2363 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
2364 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
2365 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
2366 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
2367 	iter_reg = qla24xx_read_window(reg, 0x6060, 16, iter_reg);
2368 	iter_reg = qla24xx_read_window(reg, 0x6070, 16, iter_reg);
2369 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
2370 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
2371 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
2372 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
2373 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
2374 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
2375 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
2376 	iter_reg = qla24xx_read_window(reg, 0x6530, 16, iter_reg);
2377 	iter_reg = qla24xx_read_window(reg, 0x6540, 16, iter_reg);
2378 	iter_reg = qla24xx_read_window(reg, 0x6550, 16, iter_reg);
2379 	iter_reg = qla24xx_read_window(reg, 0x6560, 16, iter_reg);
2380 	iter_reg = qla24xx_read_window(reg, 0x6570, 16, iter_reg);
2381 	iter_reg = qla24xx_read_window(reg, 0x6580, 16, iter_reg);
2382 	iter_reg = qla24xx_read_window(reg, 0x6590, 16, iter_reg);
2383 	iter_reg = qla24xx_read_window(reg, 0x65A0, 16, iter_reg);
2384 	iter_reg = qla24xx_read_window(reg, 0x65B0, 16, iter_reg);
2385 	iter_reg = qla24xx_read_window(reg, 0x65C0, 16, iter_reg);
2386 	iter_reg = qla24xx_read_window(reg, 0x65D0, 16, iter_reg);
2387 	iter_reg = qla24xx_read_window(reg, 0x65E0, 16, iter_reg);
2388 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
2389 
2390 	/* Multi queue registers */
2391 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
2392 	    &last_chain);
2393 
2394 	rval = qla24xx_soft_reset(ha);
2395 	if (rval != QLA_SUCCESS) {
2396 		ql_log(ql_log_warn, vha, 0xd00e,
2397 		    "SOFT RESET FAILED, forcing continuation of dump!!!\n");
2398 		rval = QLA_SUCCESS;
2399 
2400 		ql_log(ql_log_warn, vha, 0xd00f, "try a bigger hammer!!!\n");
2401 
2402 		wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
2403 		rd_reg_dword(&reg->hccr);
2404 
2405 		wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2406 		rd_reg_dword(&reg->hccr);
2407 
2408 		wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
2409 		rd_reg_dword(&reg->hccr);
2410 
2411 		for (cnt = 30000; cnt && (rd_reg_word(&reg->mailbox0)); cnt--)
2412 			udelay(5);
2413 
2414 		if (!cnt) {
2415 			nxt = fw->code_ram;
2416 			nxt += sizeof(fw->code_ram);
2417 			nxt += (ha->fw_memory_size - 0x100000 + 1);
2418 			goto copy_queue;
2419 		} else {
2420 			set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2421 			ql_log(ql_log_warn, vha, 0xd010,
2422 			    "bigger hammer success?\n");
2423 		}
2424 	}
2425 
2426 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
2427 	    &nxt);
2428 	if (rval != QLA_SUCCESS)
2429 		goto qla83xx_fw_dump_failed_0;
2430 
2431 copy_queue:
2432 	nxt = qla2xxx_copy_queues(ha, nxt);
2433 
2434 	qla24xx_copy_eft(ha, nxt);
2435 
2436 	/* Chain entries -- started with MQ. */
2437 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
2438 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
2439 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
2440 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
2441 	nxt_chain = qla81xx_copy_exchoffld(ha, nxt_chain, &last_chain);
2442 	if (last_chain) {
2443 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
2444 		*last_chain |= htonl(DUMP_CHAIN_LAST);
2445 	}
2446 
2447 	/* Adjust valid length. */
2448 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
2449 
2450 qla83xx_fw_dump_failed_0:
2451 	qla2xxx_dump_post_process(base_vha, rval);
2452 }
2453 
2454 /****************************************************************************/
2455 /*                         Driver Debug Functions.                          */
2456 /****************************************************************************/
2457 
2458 /* Write the debug message prefix into @pbuf. */
2459 static void ql_dbg_prefix(char *pbuf, int pbuf_size,
2460 			  const scsi_qla_host_t *vha, uint msg_id)
2461 {
2462 	if (vha) {
2463 		const struct pci_dev *pdev = vha->hw->pdev;
2464 
2465 		/* <module-name> [<dev-name>]-<msg-id>:<host>: */
2466 		snprintf(pbuf, pbuf_size, "%s [%s]-%04x:%lu: ", QL_MSGHDR,
2467 			 dev_name(&(pdev->dev)), msg_id, vha->host_no);
2468 	} else {
2469 		/* <module-name> [<dev-name>]-<msg-id>: : */
2470 		snprintf(pbuf, pbuf_size, "%s [%s]-%04x: : ", QL_MSGHDR,
2471 			 "0000:00:00.0", msg_id);
2472 	}
2473 }
2474 
2475 /*
2476  * This function is for formatting and logging debug information.
2477  * It is to be used when vha is available. It formats the message
2478  * and logs it to the messages file.
2479  * parameters:
2480  * level: The level of the debug messages to be printed.
2481  *        If ql2xextended_error_logging value is correctly set,
2482  *        this message will appear in the messages file.
2483  * vha:   Pointer to the scsi_qla_host_t.
2484  * id:    This is a unique identifier for the level. It identifies the
2485  *        part of the code from where the message originated.
2486  * msg:   The message to be displayed.
2487  */
2488 void
2489 ql_dbg(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
2490 {
2491 	va_list va;
2492 	struct va_format vaf;
2493 	char pbuf[64];
2494 
2495 	va_start(va, fmt);
2496 
2497 	vaf.fmt = fmt;
2498 	vaf.va = &va;
2499 
2500 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
2501 
2502 	if (!ql_mask_match(level))
2503 		trace_ql_dbg_log(pbuf, &vaf);
2504 	else
2505 		pr_warn("%s%pV", pbuf, &vaf);
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(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
2527 {
2528 	va_list va;
2529 	struct va_format vaf;
2530 	char pbuf[128];
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 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id + ql_dbg_offset);
2543 	pr_warn("%s%pV", pbuf, &vaf);
2544 
2545 	va_end(va);
2546 }
2547 
2548 /*
2549  * This function is for formatting and logging log messages.
2550  * It is to be used when vha is available. It formats the message
2551  * and logs it to the messages file. All the messages will be logged
2552  * irrespective of value of ql2xextended_error_logging.
2553  * parameters:
2554  * level: The level of the log messages to be printed in the
2555  *        messages file.
2556  * vha:   Pointer to the scsi_qla_host_t
2557  * id:    This is a unique id for the level. It identifies the
2558  *        part of the code from where the message originated.
2559  * msg:   The message to be displayed.
2560  */
2561 void
2562 ql_log(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
2563 {
2564 	va_list va;
2565 	struct va_format vaf;
2566 	char pbuf[128];
2567 
2568 	if (level > ql_errlev)
2569 		return;
2570 
2571 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
2572 
2573 	va_start(va, fmt);
2574 
2575 	vaf.fmt = fmt;
2576 	vaf.va = &va;
2577 
2578 	switch (level) {
2579 	case ql_log_fatal: /* FATAL LOG */
2580 		pr_crit("%s%pV", pbuf, &vaf);
2581 		break;
2582 	case ql_log_warn:
2583 		pr_err("%s%pV", pbuf, &vaf);
2584 		break;
2585 	case ql_log_info:
2586 		pr_warn("%s%pV", pbuf, &vaf);
2587 		break;
2588 	default:
2589 		pr_info("%s%pV", pbuf, &vaf);
2590 		break;
2591 	}
2592 
2593 	va_end(va);
2594 }
2595 
2596 /*
2597  * This function is for formatting and logging log messages.
2598  * It is to be used when vha is not available and pci is available,
2599  * i.e., before host allocation. It formats the message and logs
2600  * it to the messages file. All the messages are logged irrespective
2601  * of the value of ql2xextended_error_logging.
2602  * parameters:
2603  * level: The level of the log messages to be printed in the
2604  *        messages file.
2605  * pdev:  Pointer to the struct pci_dev.
2606  * id:    This is a unique id for the level. It identifies the
2607  *        part of the code from where the message originated.
2608  * msg:   The message to be displayed.
2609  */
2610 void
2611 ql_log_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
2612 {
2613 	va_list va;
2614 	struct va_format vaf;
2615 	char pbuf[128];
2616 
2617 	if (pdev == NULL)
2618 		return;
2619 	if (level > ql_errlev)
2620 		return;
2621 
2622 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id);
2623 
2624 	va_start(va, fmt);
2625 
2626 	vaf.fmt = fmt;
2627 	vaf.va = &va;
2628 
2629 	switch (level) {
2630 	case ql_log_fatal: /* FATAL LOG */
2631 		pr_crit("%s%pV", pbuf, &vaf);
2632 		break;
2633 	case ql_log_warn:
2634 		pr_err("%s%pV", pbuf, &vaf);
2635 		break;
2636 	case ql_log_info:
2637 		pr_warn("%s%pV", pbuf, &vaf);
2638 		break;
2639 	default:
2640 		pr_info("%s%pV", pbuf, &vaf);
2641 		break;
2642 	}
2643 
2644 	va_end(va);
2645 }
2646 
2647 void
2648 ql_dump_regs(uint level, scsi_qla_host_t *vha, uint id)
2649 {
2650 	int i;
2651 	struct qla_hw_data *ha = vha->hw;
2652 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2653 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2654 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
2655 	__le16 __iomem *mbx_reg;
2656 
2657 	if (!ql_mask_match(level))
2658 		return;
2659 
2660 	if (IS_P3P_TYPE(ha))
2661 		mbx_reg = &reg82->mailbox_in[0];
2662 	else if (IS_FWI2_CAPABLE(ha))
2663 		mbx_reg = &reg24->mailbox0;
2664 	else
2665 		mbx_reg = MAILBOX_REG(ha, reg, 0);
2666 
2667 	ql_dbg(level, vha, id, "Mailbox registers:\n");
2668 	for (i = 0; i < 6; i++, mbx_reg++)
2669 		ql_dbg(level, vha, id,
2670 		    "mbox[%d] %#04x\n", i, rd_reg_word(mbx_reg));
2671 }
2672 
2673 void
2674 ql_dump_buffer(uint level, scsi_qla_host_t *vha, uint id, const void *buf,
2675 	       uint size)
2676 {
2677 	uint cnt;
2678 
2679 	if (!ql_mask_match(level))
2680 		return;
2681 
2682 	ql_dbg(level, vha, id,
2683 	    "%-+5d  0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F\n", size);
2684 	ql_dbg(level, vha, id,
2685 	    "----- -----------------------------------------------\n");
2686 	for (cnt = 0; cnt < size; cnt += 16) {
2687 		ql_dbg(level, vha, id, "%04x: ", cnt);
2688 		print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
2689 			       buf + cnt, min(16U, size - cnt), false);
2690 	}
2691 }
2692 
2693 /*
2694  * This function is for formatting and logging log messages.
2695  * It is to be used when vha is available. It formats the message
2696  * and logs it to the messages file. All the messages will be logged
2697  * irrespective of value of ql2xextended_error_logging.
2698  * parameters:
2699  * level: The level of the log messages to be printed in the
2700  *        messages file.
2701  * vha:   Pointer to the scsi_qla_host_t
2702  * id:    This is a unique id for the level. It identifies the
2703  *        part of the code from where the message originated.
2704  * msg:   The message to be displayed.
2705  */
2706 void
2707 ql_log_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
2708     const char *fmt, ...)
2709 {
2710 	va_list va;
2711 	struct va_format vaf;
2712 	char pbuf[128];
2713 
2714 	if (level > ql_errlev)
2715 		return;
2716 
2717 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL, id);
2718 
2719 	va_start(va, fmt);
2720 
2721 	vaf.fmt = fmt;
2722 	vaf.va = &va;
2723 
2724 	switch (level) {
2725 	case ql_log_fatal: /* FATAL LOG */
2726 		pr_crit("%s%pV", pbuf, &vaf);
2727 		break;
2728 	case ql_log_warn:
2729 		pr_err("%s%pV", pbuf, &vaf);
2730 		break;
2731 	case ql_log_info:
2732 		pr_warn("%s%pV", pbuf, &vaf);
2733 		break;
2734 	default:
2735 		pr_info("%s%pV", pbuf, &vaf);
2736 		break;
2737 	}
2738 
2739 	va_end(va);
2740 }
2741 
2742 /*
2743  * This function is for formatting and logging debug information.
2744  * It is to be used when vha is available. It formats the message
2745  * and logs it to the messages file.
2746  * parameters:
2747  * level: The level of the debug messages to be printed.
2748  *        If ql2xextended_error_logging value is correctly set,
2749  *        this message will appear in the messages file.
2750  * vha:   Pointer to the scsi_qla_host_t.
2751  * id:    This is a unique identifier for the level. It identifies the
2752  *        part of the code from where the message originated.
2753  * msg:   The message to be displayed.
2754  */
2755 void
2756 ql_dbg_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
2757     const char *fmt, ...)
2758 {
2759 	va_list va;
2760 	struct va_format vaf;
2761 	char pbuf[128];
2762 
2763 	if (!ql_mask_match(level))
2764 		return;
2765 
2766 	va_start(va, fmt);
2767 
2768 	vaf.fmt = fmt;
2769 	vaf.va = &va;
2770 
2771 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL,
2772 		      id + ql_dbg_offset);
2773 	pr_warn("%s%pV", pbuf, &vaf);
2774 
2775 	va_end(va);
2776 
2777 }
2778