xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_dbg.c (revision 6f4eaea2)
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 
117 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
118 	for (i = 0; i < ram_dwords; i += dwords, addr += dwords) {
119 		if (i + dwords > ram_dwords)
120 			dwords = ram_dwords - i;
121 
122 		wrt_reg_word(&reg->mailbox0, MBC_LOAD_DUMP_MPI_RAM);
123 		wrt_reg_word(&reg->mailbox1, LSW(addr));
124 		wrt_reg_word(&reg->mailbox8, MSW(addr));
125 
126 		wrt_reg_word(&reg->mailbox2, MSW(LSD(dump_dma)));
127 		wrt_reg_word(&reg->mailbox3, LSW(LSD(dump_dma)));
128 		wrt_reg_word(&reg->mailbox6, MSW(MSD(dump_dma)));
129 		wrt_reg_word(&reg->mailbox7, LSW(MSD(dump_dma)));
130 
131 		wrt_reg_word(&reg->mailbox4, MSW(dwords));
132 		wrt_reg_word(&reg->mailbox5, LSW(dwords));
133 
134 		wrt_reg_word(&reg->mailbox9, 0);
135 		wrt_reg_dword(&reg->hccr, HCCRX_SET_HOST_INT);
136 
137 		ha->flags.mbox_int = 0;
138 		while (timer--) {
139 			udelay(5);
140 
141 			stat = rd_reg_dword(&reg->host_status);
142 			/* Check for pending interrupts. */
143 			if (!(stat & HSRX_RISC_INT))
144 				continue;
145 
146 			stat &= 0xff;
147 			if (stat != 0x1 && stat != 0x2 &&
148 			    stat != 0x10 && stat != 0x11) {
149 
150 				/* Clear this intr; it wasn't a mailbox intr */
151 				wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
152 				rd_reg_dword(&reg->hccr);
153 				continue;
154 			}
155 
156 			set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
157 			rval = rd_reg_word(&reg->mailbox0) & MBS_MASK;
158 			wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
159 			rd_reg_dword(&reg->hccr);
160 			break;
161 		}
162 		ha->flags.mbox_int = 1;
163 		*nxt = ram + i;
164 
165 		if (!test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
166 			/* no interrupt, timed out*/
167 			return rval;
168 		}
169 		if (rval) {
170 			/* error completion status */
171 			return rval;
172 		}
173 		for (j = 0; j < dwords; j++) {
174 			ram[i + j] =
175 			    (IS_QLA27XX(ha) || IS_QLA28XX(ha)) ?
176 			    chunk[j] : swab32(chunk[j]);
177 		}
178 	}
179 
180 	*nxt = ram + i;
181 	return QLA_SUCCESS;
182 }
183 
184 int
185 qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, __be32 *ram,
186 		 uint32_t ram_dwords, void **nxt)
187 {
188 	int rval = QLA_FUNCTION_FAILED;
189 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
190 	dma_addr_t dump_dma = ha->gid_list_dma;
191 	uint32_t *chunk = (uint32_t *)ha->gid_list;
192 	uint32_t dwords = qla2x00_gid_list_size(ha) / 4;
193 	uint32_t stat;
194 	ulong i, j, timer = 6000000;
195 
196 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
197 
198 	for (i = 0; i < ram_dwords; i += dwords, addr += dwords) {
199 		if (i + dwords > ram_dwords)
200 			dwords = ram_dwords - i;
201 
202 		wrt_reg_word(&reg->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED);
203 		wrt_reg_word(&reg->mailbox1, LSW(addr));
204 		wrt_reg_word(&reg->mailbox8, MSW(addr));
205 		wrt_reg_word(&reg->mailbox10, 0);
206 
207 		wrt_reg_word(&reg->mailbox2, MSW(LSD(dump_dma)));
208 		wrt_reg_word(&reg->mailbox3, LSW(LSD(dump_dma)));
209 		wrt_reg_word(&reg->mailbox6, MSW(MSD(dump_dma)));
210 		wrt_reg_word(&reg->mailbox7, LSW(MSD(dump_dma)));
211 
212 		wrt_reg_word(&reg->mailbox4, MSW(dwords));
213 		wrt_reg_word(&reg->mailbox5, LSW(dwords));
214 		wrt_reg_dword(&reg->hccr, HCCRX_SET_HOST_INT);
215 
216 		ha->flags.mbox_int = 0;
217 		while (timer--) {
218 			udelay(5);
219 			stat = rd_reg_dword(&reg->host_status);
220 
221 			/* Check for pending interrupts. */
222 			if (!(stat & HSRX_RISC_INT))
223 				continue;
224 
225 			stat &= 0xff;
226 			if (stat != 0x1 && stat != 0x2 &&
227 			    stat != 0x10 && stat != 0x11) {
228 				wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
229 				rd_reg_dword(&reg->hccr);
230 				continue;
231 			}
232 
233 			set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
234 			rval = rd_reg_word(&reg->mailbox0) & MBS_MASK;
235 			wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
236 			rd_reg_dword(&reg->hccr);
237 			break;
238 		}
239 		ha->flags.mbox_int = 1;
240 		*nxt = ram + i;
241 
242 		if (!test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
243 			/* no interrupt, timed out*/
244 			return rval;
245 		}
246 		if (rval) {
247 			/* error completion status */
248 			return rval;
249 		}
250 		for (j = 0; j < dwords; j++) {
251 			ram[i + j] = (__force __be32)
252 				((IS_QLA27XX(ha) || IS_QLA28XX(ha)) ?
253 				 chunk[j] : swab32(chunk[j]));
254 		}
255 	}
256 
257 	*nxt = ram + i;
258 	return QLA_SUCCESS;
259 }
260 
261 static int
262 qla24xx_dump_memory(struct qla_hw_data *ha, __be32 *code_ram,
263 		    uint32_t cram_size, void **nxt)
264 {
265 	int rval;
266 
267 	/* Code RAM. */
268 	rval = qla24xx_dump_ram(ha, 0x20000, code_ram, cram_size / 4, nxt);
269 	if (rval != QLA_SUCCESS)
270 		return rval;
271 
272 	set_bit(RISC_SRAM_DUMP_CMPL, &ha->fw_dump_cap_flags);
273 
274 	/* External Memory. */
275 	rval = qla24xx_dump_ram(ha, 0x100000, *nxt,
276 	    ha->fw_memory_size - 0x100000 + 1, nxt);
277 	if (rval == QLA_SUCCESS)
278 		set_bit(RISC_EXT_MEM_DUMP_CMPL, &ha->fw_dump_cap_flags);
279 
280 	return rval;
281 }
282 
283 static __be32 *
284 qla24xx_read_window(struct device_reg_24xx __iomem *reg, uint32_t iobase,
285 		    uint32_t count, __be32 *buf)
286 {
287 	__le32 __iomem *dmp_reg;
288 
289 	wrt_reg_dword(&reg->iobase_addr, iobase);
290 	dmp_reg = &reg->iobase_window;
291 	for ( ; count--; dmp_reg++)
292 		*buf++ = htonl(rd_reg_dword(dmp_reg));
293 
294 	return buf;
295 }
296 
297 void
298 qla24xx_pause_risc(struct device_reg_24xx __iomem *reg, struct qla_hw_data *ha)
299 {
300 	wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_PAUSE);
301 
302 	/* 100 usec delay is sufficient enough for hardware to pause RISC */
303 	udelay(100);
304 	if (rd_reg_dword(&reg->host_status) & HSRX_RISC_PAUSED)
305 		set_bit(RISC_PAUSE_CMPL, &ha->fw_dump_cap_flags);
306 }
307 
308 int
309 qla24xx_soft_reset(struct qla_hw_data *ha)
310 {
311 	int rval = QLA_SUCCESS;
312 	uint32_t cnt;
313 	uint16_t wd;
314 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
315 
316 	/*
317 	 * Reset RISC. The delay is dependent on system architecture.
318 	 * Driver can proceed with the reset sequence after waiting
319 	 * for a timeout period.
320 	 */
321 	wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
322 	for (cnt = 0; cnt < 30000; cnt++) {
323 		if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
324 			break;
325 
326 		udelay(10);
327 	}
328 	if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
329 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
330 
331 	wrt_reg_dword(&reg->ctrl_status,
332 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
333 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
334 
335 	udelay(100);
336 
337 	/* Wait for soft-reset to complete. */
338 	for (cnt = 0; cnt < 30000; cnt++) {
339 		if ((rd_reg_dword(&reg->ctrl_status) &
340 		    CSRX_ISP_SOFT_RESET) == 0)
341 			break;
342 
343 		udelay(10);
344 	}
345 	if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
346 		set_bit(ISP_RESET_CMPL, &ha->fw_dump_cap_flags);
347 
348 	wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
349 	rd_reg_dword(&reg->hccr);             /* PCI Posting. */
350 
351 	for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
352 	    rval == QLA_SUCCESS; cnt--) {
353 		if (cnt)
354 			udelay(10);
355 		else
356 			rval = QLA_FUNCTION_TIMEOUT;
357 	}
358 	if (rval == QLA_SUCCESS)
359 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
360 
361 	return rval;
362 }
363 
364 static int
365 qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, __be16 *ram,
366     uint32_t ram_words, void **nxt)
367 {
368 	int rval;
369 	uint32_t cnt, stat, timer, words, idx;
370 	uint16_t mb0;
371 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
372 	dma_addr_t dump_dma = ha->gid_list_dma;
373 	__le16 *dump = (__force __le16 *)ha->gid_list;
374 
375 	rval = QLA_SUCCESS;
376 	mb0 = 0;
377 
378 	WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED);
379 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
380 
381 	words = qla2x00_gid_list_size(ha) / 2;
382 	for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS;
383 	    cnt += words, addr += words) {
384 		if (cnt + words > ram_words)
385 			words = ram_words - cnt;
386 
387 		WRT_MAILBOX_REG(ha, reg, 1, LSW(addr));
388 		WRT_MAILBOX_REG(ha, reg, 8, MSW(addr));
389 
390 		WRT_MAILBOX_REG(ha, reg, 2, MSW(dump_dma));
391 		WRT_MAILBOX_REG(ha, reg, 3, LSW(dump_dma));
392 		WRT_MAILBOX_REG(ha, reg, 6, MSW(MSD(dump_dma)));
393 		WRT_MAILBOX_REG(ha, reg, 7, LSW(MSD(dump_dma)));
394 
395 		WRT_MAILBOX_REG(ha, reg, 4, words);
396 		wrt_reg_word(&reg->hccr, HCCR_SET_HOST_INT);
397 
398 		for (timer = 6000000; timer; timer--) {
399 			/* Check for pending interrupts. */
400 			stat = rd_reg_dword(&reg->u.isp2300.host_status);
401 			if (stat & HSR_RISC_INT) {
402 				stat &= 0xff;
403 
404 				if (stat == 0x1 || stat == 0x2) {
405 					set_bit(MBX_INTERRUPT,
406 					    &ha->mbx_cmd_flags);
407 
408 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
409 
410 					/* Release mailbox registers. */
411 					wrt_reg_word(&reg->semaphore, 0);
412 					wrt_reg_word(&reg->hccr,
413 					    HCCR_CLR_RISC_INT);
414 					rd_reg_word(&reg->hccr);
415 					break;
416 				} else if (stat == 0x10 || stat == 0x11) {
417 					set_bit(MBX_INTERRUPT,
418 					    &ha->mbx_cmd_flags);
419 
420 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
421 
422 					wrt_reg_word(&reg->hccr,
423 					    HCCR_CLR_RISC_INT);
424 					rd_reg_word(&reg->hccr);
425 					break;
426 				}
427 
428 				/* clear this intr; it wasn't a mailbox intr */
429 				wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
430 				rd_reg_word(&reg->hccr);
431 			}
432 			udelay(5);
433 		}
434 
435 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
436 			rval = mb0 & MBS_MASK;
437 			for (idx = 0; idx < words; idx++)
438 				ram[cnt + idx] =
439 					cpu_to_be16(le16_to_cpu(dump[idx]));
440 		} else {
441 			rval = QLA_FUNCTION_FAILED;
442 		}
443 	}
444 
445 	*nxt = rval == QLA_SUCCESS ? &ram[cnt] : NULL;
446 	return rval;
447 }
448 
449 static inline void
450 qla2xxx_read_window(struct device_reg_2xxx __iomem *reg, uint32_t count,
451 		    __be16 *buf)
452 {
453 	__le16 __iomem *dmp_reg = &reg->u.isp2300.fb_cmd;
454 
455 	for ( ; count--; dmp_reg++)
456 		*buf++ = htons(rd_reg_word(dmp_reg));
457 }
458 
459 static inline void *
460 qla24xx_copy_eft(struct qla_hw_data *ha, void *ptr)
461 {
462 	if (!ha->eft)
463 		return ptr;
464 
465 	memcpy(ptr, ha->eft, ntohl(ha->fw_dump->eft_size));
466 	return ptr + ntohl(ha->fw_dump->eft_size);
467 }
468 
469 static inline void *
470 qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
471 {
472 	uint32_t cnt;
473 	__be32 *iter_reg;
474 	struct qla2xxx_fce_chain *fcec = ptr;
475 
476 	if (!ha->fce)
477 		return ptr;
478 
479 	*last_chain = &fcec->type;
480 	fcec->type = htonl(DUMP_CHAIN_FCE);
481 	fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) +
482 	    fce_calc_size(ha->fce_bufs));
483 	fcec->size = htonl(fce_calc_size(ha->fce_bufs));
484 	fcec->addr_l = htonl(LSD(ha->fce_dma));
485 	fcec->addr_h = htonl(MSD(ha->fce_dma));
486 
487 	iter_reg = fcec->eregs;
488 	for (cnt = 0; cnt < 8; cnt++)
489 		*iter_reg++ = htonl(ha->fce_mb[cnt]);
490 
491 	memcpy(iter_reg, ha->fce, ntohl(fcec->size));
492 
493 	return (char *)iter_reg + ntohl(fcec->size);
494 }
495 
496 static inline void *
497 qla25xx_copy_exlogin(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
498 {
499 	struct qla2xxx_offld_chain *c = ptr;
500 
501 	if (!ha->exlogin_buf)
502 		return ptr;
503 
504 	*last_chain = &c->type;
505 
506 	c->type = cpu_to_be32(DUMP_CHAIN_EXLOGIN);
507 	c->chain_size = cpu_to_be32(sizeof(struct qla2xxx_offld_chain) +
508 	    ha->exlogin_size);
509 	c->size = cpu_to_be32(ha->exlogin_size);
510 	c->addr = cpu_to_be64(ha->exlogin_buf_dma);
511 
512 	ptr += sizeof(struct qla2xxx_offld_chain);
513 	memcpy(ptr, ha->exlogin_buf, ha->exlogin_size);
514 
515 	return (char *)ptr + be32_to_cpu(c->size);
516 }
517 
518 static inline void *
519 qla81xx_copy_exchoffld(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
520 {
521 	struct qla2xxx_offld_chain *c = ptr;
522 
523 	if (!ha->exchoffld_buf)
524 		return ptr;
525 
526 	*last_chain = &c->type;
527 
528 	c->type = cpu_to_be32(DUMP_CHAIN_EXCHG);
529 	c->chain_size = cpu_to_be32(sizeof(struct qla2xxx_offld_chain) +
530 	    ha->exchoffld_size);
531 	c->size = cpu_to_be32(ha->exchoffld_size);
532 	c->addr = cpu_to_be64(ha->exchoffld_buf_dma);
533 
534 	ptr += sizeof(struct qla2xxx_offld_chain);
535 	memcpy(ptr, ha->exchoffld_buf, ha->exchoffld_size);
536 
537 	return (char *)ptr + be32_to_cpu(c->size);
538 }
539 
540 static inline void *
541 qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
542 			__be32 **last_chain)
543 {
544 	struct qla2xxx_mqueue_chain *q;
545 	struct qla2xxx_mqueue_header *qh;
546 	uint32_t num_queues;
547 	int que;
548 	struct {
549 		int length;
550 		void *ring;
551 	} aq, *aqp;
552 
553 	if (!ha->tgt.atio_ring)
554 		return ptr;
555 
556 	num_queues = 1;
557 	aqp = &aq;
558 	aqp->length = ha->tgt.atio_q_length;
559 	aqp->ring = ha->tgt.atio_ring;
560 
561 	for (que = 0; que < num_queues; que++) {
562 		/* aqp = ha->atio_q_map[que]; */
563 		q = ptr;
564 		*last_chain = &q->type;
565 		q->type = htonl(DUMP_CHAIN_QUEUE);
566 		q->chain_size = htonl(
567 		    sizeof(struct qla2xxx_mqueue_chain) +
568 		    sizeof(struct qla2xxx_mqueue_header) +
569 		    (aqp->length * sizeof(request_t)));
570 		ptr += sizeof(struct qla2xxx_mqueue_chain);
571 
572 		/* Add header. */
573 		qh = ptr;
574 		qh->queue = htonl(TYPE_ATIO_QUEUE);
575 		qh->number = htonl(que);
576 		qh->size = htonl(aqp->length * sizeof(request_t));
577 		ptr += sizeof(struct qla2xxx_mqueue_header);
578 
579 		/* Add data. */
580 		memcpy(ptr, aqp->ring, aqp->length * sizeof(request_t));
581 
582 		ptr += aqp->length * sizeof(request_t);
583 	}
584 
585 	return ptr;
586 }
587 
588 static inline void *
589 qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
590 {
591 	struct qla2xxx_mqueue_chain *q;
592 	struct qla2xxx_mqueue_header *qh;
593 	struct req_que *req;
594 	struct rsp_que *rsp;
595 	int que;
596 
597 	if (!ha->mqenable)
598 		return ptr;
599 
600 	/* Request queues */
601 	for (que = 1; que < ha->max_req_queues; que++) {
602 		req = ha->req_q_map[que];
603 		if (!req)
604 			break;
605 
606 		/* Add chain. */
607 		q = ptr;
608 		*last_chain = &q->type;
609 		q->type = htonl(DUMP_CHAIN_QUEUE);
610 		q->chain_size = htonl(
611 		    sizeof(struct qla2xxx_mqueue_chain) +
612 		    sizeof(struct qla2xxx_mqueue_header) +
613 		    (req->length * sizeof(request_t)));
614 		ptr += sizeof(struct qla2xxx_mqueue_chain);
615 
616 		/* Add header. */
617 		qh = ptr;
618 		qh->queue = htonl(TYPE_REQUEST_QUEUE);
619 		qh->number = htonl(que);
620 		qh->size = htonl(req->length * sizeof(request_t));
621 		ptr += sizeof(struct qla2xxx_mqueue_header);
622 
623 		/* Add data. */
624 		memcpy(ptr, req->ring, req->length * sizeof(request_t));
625 		ptr += req->length * sizeof(request_t);
626 	}
627 
628 	/* Response queues */
629 	for (que = 1; que < ha->max_rsp_queues; que++) {
630 		rsp = ha->rsp_q_map[que];
631 		if (!rsp)
632 			break;
633 
634 		/* Add chain. */
635 		q = ptr;
636 		*last_chain = &q->type;
637 		q->type = htonl(DUMP_CHAIN_QUEUE);
638 		q->chain_size = htonl(
639 		    sizeof(struct qla2xxx_mqueue_chain) +
640 		    sizeof(struct qla2xxx_mqueue_header) +
641 		    (rsp->length * sizeof(response_t)));
642 		ptr += sizeof(struct qla2xxx_mqueue_chain);
643 
644 		/* Add header. */
645 		qh = ptr;
646 		qh->queue = htonl(TYPE_RESPONSE_QUEUE);
647 		qh->number = htonl(que);
648 		qh->size = htonl(rsp->length * sizeof(response_t));
649 		ptr += sizeof(struct qla2xxx_mqueue_header);
650 
651 		/* Add data. */
652 		memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t));
653 		ptr += rsp->length * sizeof(response_t);
654 	}
655 
656 	return ptr;
657 }
658 
659 static inline void *
660 qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, __be32 **last_chain)
661 {
662 	uint32_t cnt, que_idx;
663 	uint8_t que_cnt;
664 	struct qla2xxx_mq_chain *mq = ptr;
665 	device_reg_t *reg;
666 
667 	if (!ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
668 	    IS_QLA28XX(ha))
669 		return ptr;
670 
671 	mq = ptr;
672 	*last_chain = &mq->type;
673 	mq->type = htonl(DUMP_CHAIN_MQ);
674 	mq->chain_size = htonl(sizeof(struct qla2xxx_mq_chain));
675 
676 	que_cnt = ha->max_req_queues > ha->max_rsp_queues ?
677 		ha->max_req_queues : ha->max_rsp_queues;
678 	mq->count = htonl(que_cnt);
679 	for (cnt = 0; cnt < que_cnt; cnt++) {
680 		reg = ISP_QUE_REG(ha, cnt);
681 		que_idx = cnt * 4;
682 		mq->qregs[que_idx] =
683 		    htonl(rd_reg_dword(&reg->isp25mq.req_q_in));
684 		mq->qregs[que_idx+1] =
685 		    htonl(rd_reg_dword(&reg->isp25mq.req_q_out));
686 		mq->qregs[que_idx+2] =
687 		    htonl(rd_reg_dword(&reg->isp25mq.rsp_q_in));
688 		mq->qregs[que_idx+3] =
689 		    htonl(rd_reg_dword(&reg->isp25mq.rsp_q_out));
690 	}
691 
692 	return ptr + sizeof(struct qla2xxx_mq_chain);
693 }
694 
695 void
696 qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
697 {
698 	struct qla_hw_data *ha = vha->hw;
699 
700 	if (rval != QLA_SUCCESS) {
701 		ql_log(ql_log_warn, vha, 0xd000,
702 		    "Failed to dump firmware (%x), dump status flags (0x%lx).\n",
703 		    rval, ha->fw_dump_cap_flags);
704 		ha->fw_dumped = false;
705 	} else {
706 		ql_log(ql_log_info, vha, 0xd001,
707 		    "Firmware dump saved to temp buffer (%ld/%p), dump status flags (0x%lx).\n",
708 		    vha->host_no, ha->fw_dump, ha->fw_dump_cap_flags);
709 		ha->fw_dumped = true;
710 		qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
711 	}
712 }
713 
714 void qla2xxx_dump_fw(scsi_qla_host_t *vha)
715 {
716 	unsigned long flags;
717 
718 	spin_lock_irqsave(&vha->hw->hardware_lock, flags);
719 	vha->hw->isp_ops->fw_dump(vha);
720 	spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
721 }
722 
723 /**
724  * qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
725  * @vha: HA context
726  */
727 void
728 qla2300_fw_dump(scsi_qla_host_t *vha)
729 {
730 	int		rval;
731 	uint32_t	cnt;
732 	struct qla_hw_data *ha = vha->hw;
733 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
734 	__le16 __iomem *dmp_reg;
735 	struct qla2300_fw_dump	*fw;
736 	void		*nxt;
737 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
738 
739 	lockdep_assert_held(&ha->hardware_lock);
740 
741 	if (!ha->fw_dump) {
742 		ql_log(ql_log_warn, vha, 0xd002,
743 		    "No buffer available for dump.\n");
744 		return;
745 	}
746 
747 	if (ha->fw_dumped) {
748 		ql_log(ql_log_warn, vha, 0xd003,
749 		    "Firmware has been previously dumped (%p) "
750 		    "-- ignoring request.\n",
751 		    ha->fw_dump);
752 		return;
753 	}
754 	fw = &ha->fw_dump->isp.isp23;
755 	qla2xxx_prep_dump(ha, ha->fw_dump);
756 
757 	rval = QLA_SUCCESS;
758 	fw->hccr = htons(rd_reg_word(&reg->hccr));
759 
760 	/* Pause RISC. */
761 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
762 	if (IS_QLA2300(ha)) {
763 		for (cnt = 30000;
764 		    (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
765 			rval == QLA_SUCCESS; cnt--) {
766 			if (cnt)
767 				udelay(100);
768 			else
769 				rval = QLA_FUNCTION_TIMEOUT;
770 		}
771 	} else {
772 		rd_reg_word(&reg->hccr);		/* PCI Posting. */
773 		udelay(10);
774 	}
775 
776 	if (rval == QLA_SUCCESS) {
777 		dmp_reg = &reg->flash_address;
778 		for (cnt = 0; cnt < ARRAY_SIZE(fw->pbiu_reg); cnt++, dmp_reg++)
779 			fw->pbiu_reg[cnt] = htons(rd_reg_word(dmp_reg));
780 
781 		dmp_reg = &reg->u.isp2300.req_q_in;
782 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_host_reg);
783 		    cnt++, dmp_reg++)
784 			fw->risc_host_reg[cnt] = htons(rd_reg_word(dmp_reg));
785 
786 		dmp_reg = &reg->u.isp2300.mailbox0;
787 		for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg);
788 		    cnt++, dmp_reg++)
789 			fw->mailbox_reg[cnt] = htons(rd_reg_word(dmp_reg));
790 
791 		wrt_reg_word(&reg->ctrl_status, 0x40);
792 		qla2xxx_read_window(reg, 32, fw->resp_dma_reg);
793 
794 		wrt_reg_word(&reg->ctrl_status, 0x50);
795 		qla2xxx_read_window(reg, 48, fw->dma_reg);
796 
797 		wrt_reg_word(&reg->ctrl_status, 0x00);
798 		dmp_reg = &reg->risc_hw;
799 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_hdw_reg);
800 		    cnt++, dmp_reg++)
801 			fw->risc_hdw_reg[cnt] = htons(rd_reg_word(dmp_reg));
802 
803 		wrt_reg_word(&reg->pcr, 0x2000);
804 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
805 
806 		wrt_reg_word(&reg->pcr, 0x2200);
807 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
808 
809 		wrt_reg_word(&reg->pcr, 0x2400);
810 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
811 
812 		wrt_reg_word(&reg->pcr, 0x2600);
813 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
814 
815 		wrt_reg_word(&reg->pcr, 0x2800);
816 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
817 
818 		wrt_reg_word(&reg->pcr, 0x2A00);
819 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
820 
821 		wrt_reg_word(&reg->pcr, 0x2C00);
822 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
823 
824 		wrt_reg_word(&reg->pcr, 0x2E00);
825 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
826 
827 		wrt_reg_word(&reg->ctrl_status, 0x10);
828 		qla2xxx_read_window(reg, 64, fw->frame_buf_hdw_reg);
829 
830 		wrt_reg_word(&reg->ctrl_status, 0x20);
831 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
832 
833 		wrt_reg_word(&reg->ctrl_status, 0x30);
834 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
835 
836 		/* Reset RISC. */
837 		wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
838 		for (cnt = 0; cnt < 30000; cnt++) {
839 			if ((rd_reg_word(&reg->ctrl_status) &
840 			    CSR_ISP_SOFT_RESET) == 0)
841 				break;
842 
843 			udelay(10);
844 		}
845 	}
846 
847 	if (!IS_QLA2300(ha)) {
848 		for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
849 		    rval == QLA_SUCCESS; cnt--) {
850 			if (cnt)
851 				udelay(100);
852 			else
853 				rval = QLA_FUNCTION_TIMEOUT;
854 		}
855 	}
856 
857 	/* Get RISC SRAM. */
858 	if (rval == QLA_SUCCESS)
859 		rval = qla2xxx_dump_ram(ha, 0x800, fw->risc_ram,
860 					ARRAY_SIZE(fw->risc_ram), &nxt);
861 
862 	/* Get stack SRAM. */
863 	if (rval == QLA_SUCCESS)
864 		rval = qla2xxx_dump_ram(ha, 0x10000, fw->stack_ram,
865 					ARRAY_SIZE(fw->stack_ram), &nxt);
866 
867 	/* Get data SRAM. */
868 	if (rval == QLA_SUCCESS)
869 		rval = qla2xxx_dump_ram(ha, 0x11000, fw->data_ram,
870 		    ha->fw_memory_size - 0x11000 + 1, &nxt);
871 
872 	if (rval == QLA_SUCCESS)
873 		qla2xxx_copy_queues(ha, nxt);
874 
875 	qla2xxx_dump_post_process(base_vha, rval);
876 }
877 
878 /**
879  * qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
880  * @vha: HA context
881  */
882 void
883 qla2100_fw_dump(scsi_qla_host_t *vha)
884 {
885 	int		rval;
886 	uint32_t	cnt, timer;
887 	uint16_t	risc_address = 0;
888 	uint16_t	mb0 = 0, mb2 = 0;
889 	struct qla_hw_data *ha = vha->hw;
890 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
891 	__le16 __iomem *dmp_reg;
892 	struct qla2100_fw_dump	*fw;
893 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
894 
895 	lockdep_assert_held(&ha->hardware_lock);
896 
897 	if (!ha->fw_dump) {
898 		ql_log(ql_log_warn, vha, 0xd004,
899 		    "No buffer available for dump.\n");
900 		return;
901 	}
902 
903 	if (ha->fw_dumped) {
904 		ql_log(ql_log_warn, vha, 0xd005,
905 		    "Firmware has been previously dumped (%p) "
906 		    "-- ignoring request.\n",
907 		    ha->fw_dump);
908 		return;
909 	}
910 	fw = &ha->fw_dump->isp.isp21;
911 	qla2xxx_prep_dump(ha, ha->fw_dump);
912 
913 	rval = QLA_SUCCESS;
914 	fw->hccr = htons(rd_reg_word(&reg->hccr));
915 
916 	/* Pause RISC. */
917 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
918 	for (cnt = 30000; (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
919 	    rval == QLA_SUCCESS; cnt--) {
920 		if (cnt)
921 			udelay(100);
922 		else
923 			rval = QLA_FUNCTION_TIMEOUT;
924 	}
925 	if (rval == QLA_SUCCESS) {
926 		dmp_reg = &reg->flash_address;
927 		for (cnt = 0; cnt < ARRAY_SIZE(fw->pbiu_reg); cnt++, dmp_reg++)
928 			fw->pbiu_reg[cnt] = htons(rd_reg_word(dmp_reg));
929 
930 		dmp_reg = &reg->u.isp2100.mailbox0;
931 		for (cnt = 0; cnt < ha->mbx_count; cnt++, dmp_reg++) {
932 			if (cnt == 8)
933 				dmp_reg = &reg->u_end.isp2200.mailbox8;
934 
935 			fw->mailbox_reg[cnt] = htons(rd_reg_word(dmp_reg));
936 		}
937 
938 		dmp_reg = &reg->u.isp2100.unused_2[0];
939 		for (cnt = 0; cnt < ARRAY_SIZE(fw->dma_reg); cnt++, dmp_reg++)
940 			fw->dma_reg[cnt] = htons(rd_reg_word(dmp_reg));
941 
942 		wrt_reg_word(&reg->ctrl_status, 0x00);
943 		dmp_reg = &reg->risc_hw;
944 		for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_hdw_reg); cnt++, dmp_reg++)
945 			fw->risc_hdw_reg[cnt] = htons(rd_reg_word(dmp_reg));
946 
947 		wrt_reg_word(&reg->pcr, 0x2000);
948 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
949 
950 		wrt_reg_word(&reg->pcr, 0x2100);
951 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
952 
953 		wrt_reg_word(&reg->pcr, 0x2200);
954 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
955 
956 		wrt_reg_word(&reg->pcr, 0x2300);
957 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
958 
959 		wrt_reg_word(&reg->pcr, 0x2400);
960 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
961 
962 		wrt_reg_word(&reg->pcr, 0x2500);
963 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
964 
965 		wrt_reg_word(&reg->pcr, 0x2600);
966 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
967 
968 		wrt_reg_word(&reg->pcr, 0x2700);
969 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
970 
971 		wrt_reg_word(&reg->ctrl_status, 0x10);
972 		qla2xxx_read_window(reg, 16, fw->frame_buf_hdw_reg);
973 
974 		wrt_reg_word(&reg->ctrl_status, 0x20);
975 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
976 
977 		wrt_reg_word(&reg->ctrl_status, 0x30);
978 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
979 
980 		/* Reset the ISP. */
981 		wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
982 	}
983 
984 	for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
985 	    rval == QLA_SUCCESS; cnt--) {
986 		if (cnt)
987 			udelay(100);
988 		else
989 			rval = QLA_FUNCTION_TIMEOUT;
990 	}
991 
992 	/* Pause RISC. */
993 	if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
994 	    (rd_reg_word(&reg->mctr) & (BIT_1 | BIT_0)) != 0))) {
995 
996 		wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
997 		for (cnt = 30000;
998 		    (rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
999 		    rval == QLA_SUCCESS; cnt--) {
1000 			if (cnt)
1001 				udelay(100);
1002 			else
1003 				rval = QLA_FUNCTION_TIMEOUT;
1004 		}
1005 		if (rval == QLA_SUCCESS) {
1006 			/* Set memory configuration and timing. */
1007 			if (IS_QLA2100(ha))
1008 				wrt_reg_word(&reg->mctr, 0xf1);
1009 			else
1010 				wrt_reg_word(&reg->mctr, 0xf2);
1011 			rd_reg_word(&reg->mctr);	/* PCI Posting. */
1012 
1013 			/* Release RISC. */
1014 			wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
1015 		}
1016 	}
1017 
1018 	if (rval == QLA_SUCCESS) {
1019 		/* Get RISC SRAM. */
1020 		risc_address = 0x1000;
1021  		WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
1022 		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
1023 	}
1024 	for (cnt = 0; cnt < ARRAY_SIZE(fw->risc_ram) && rval == QLA_SUCCESS;
1025 	    cnt++, risc_address++) {
1026  		WRT_MAILBOX_REG(ha, reg, 1, risc_address);
1027 		wrt_reg_word(&reg->hccr, HCCR_SET_HOST_INT);
1028 
1029 		for (timer = 6000000; timer != 0; timer--) {
1030 			/* Check for pending interrupts. */
1031 			if (rd_reg_word(&reg->istatus) & ISR_RISC_INT) {
1032 				if (rd_reg_word(&reg->semaphore) & BIT_0) {
1033 					set_bit(MBX_INTERRUPT,
1034 					    &ha->mbx_cmd_flags);
1035 
1036 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
1037 					mb2 = RD_MAILBOX_REG(ha, reg, 2);
1038 
1039 					wrt_reg_word(&reg->semaphore, 0);
1040 					wrt_reg_word(&reg->hccr,
1041 					    HCCR_CLR_RISC_INT);
1042 					rd_reg_word(&reg->hccr);
1043 					break;
1044 				}
1045 				wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
1046 				rd_reg_word(&reg->hccr);
1047 			}
1048 			udelay(5);
1049 		}
1050 
1051 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
1052 			rval = mb0 & MBS_MASK;
1053 			fw->risc_ram[cnt] = htons(mb2);
1054 		} else {
1055 			rval = QLA_FUNCTION_FAILED;
1056 		}
1057 	}
1058 
1059 	if (rval == QLA_SUCCESS)
1060 		qla2xxx_copy_queues(ha, &fw->queue_dump[0]);
1061 
1062 	qla2xxx_dump_post_process(base_vha, rval);
1063 }
1064 
1065 void
1066 qla24xx_fw_dump(scsi_qla_host_t *vha)
1067 {
1068 	int		rval;
1069 	uint32_t	cnt;
1070 	struct qla_hw_data *ha = vha->hw;
1071 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1072 	__le32 __iomem *dmp_reg;
1073 	__be32		*iter_reg;
1074 	__le16 __iomem *mbx_reg;
1075 	struct qla24xx_fw_dump *fw;
1076 	void		*nxt;
1077 	void		*nxt_chain;
1078 	__be32		*last_chain = NULL;
1079 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1080 
1081 	lockdep_assert_held(&ha->hardware_lock);
1082 
1083 	if (IS_P3P_TYPE(ha))
1084 		return;
1085 
1086 	ha->fw_dump_cap_flags = 0;
1087 
1088 	if (!ha->fw_dump) {
1089 		ql_log(ql_log_warn, vha, 0xd006,
1090 		    "No buffer available for dump.\n");
1091 		return;
1092 	}
1093 
1094 	if (ha->fw_dumped) {
1095 		ql_log(ql_log_warn, vha, 0xd007,
1096 		    "Firmware has been previously dumped (%p) "
1097 		    "-- ignoring request.\n",
1098 		    ha->fw_dump);
1099 		return;
1100 	}
1101 	QLA_FW_STOPPED(ha);
1102 	fw = &ha->fw_dump->isp.isp24;
1103 	qla2xxx_prep_dump(ha, ha->fw_dump);
1104 
1105 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1106 
1107 	/*
1108 	 * Pause RISC. No need to track timeout, as resetting the chip
1109 	 * is the right approach incase of pause timeout
1110 	 */
1111 	qla24xx_pause_risc(reg, ha);
1112 
1113 	/* Host interface registers. */
1114 	dmp_reg = &reg->flash_addr;
1115 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1116 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1117 
1118 	/* Disable interrupts. */
1119 	wrt_reg_dword(&reg->ictrl, 0);
1120 	rd_reg_dword(&reg->ictrl);
1121 
1122 	/* Shadow registers. */
1123 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1124 	rd_reg_dword(&reg->iobase_addr);
1125 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1126 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1127 
1128 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1129 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1130 
1131 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1132 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1133 
1134 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1135 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1136 
1137 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1138 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1139 
1140 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1141 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1142 
1143 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1144 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1145 
1146 	/* Mailbox registers. */
1147 	mbx_reg = &reg->mailbox0;
1148 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1149 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1150 
1151 	/* Transfer sequence registers. */
1152 	iter_reg = fw->xseq_gp_reg;
1153 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1154 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1155 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1156 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1157 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1158 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1159 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1160 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1161 
1162 	qla24xx_read_window(reg, 0xBFE0, 16, fw->xseq_0_reg);
1163 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1164 
1165 	/* Receive sequence registers. */
1166 	iter_reg = fw->rseq_gp_reg;
1167 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1168 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1169 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1170 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1171 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1172 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1173 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1174 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1175 
1176 	qla24xx_read_window(reg, 0xFFD0, 16, fw->rseq_0_reg);
1177 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1178 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1179 
1180 	/* Command DMA registers. */
1181 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1182 
1183 	/* Queues. */
1184 	iter_reg = fw->req0_dma_reg;
1185 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1186 	dmp_reg = &reg->iobase_q;
1187 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1188 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1189 
1190 	iter_reg = fw->resp0_dma_reg;
1191 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1192 	dmp_reg = &reg->iobase_q;
1193 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1194 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1195 
1196 	iter_reg = fw->req1_dma_reg;
1197 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1198 	dmp_reg = &reg->iobase_q;
1199 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1200 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1201 
1202 	/* Transmit DMA registers. */
1203 	iter_reg = fw->xmt0_dma_reg;
1204 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1205 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1206 
1207 	iter_reg = fw->xmt1_dma_reg;
1208 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1209 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1210 
1211 	iter_reg = fw->xmt2_dma_reg;
1212 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1213 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1214 
1215 	iter_reg = fw->xmt3_dma_reg;
1216 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1217 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1218 
1219 	iter_reg = fw->xmt4_dma_reg;
1220 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1221 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1222 
1223 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1224 
1225 	/* Receive DMA registers. */
1226 	iter_reg = fw->rcvt0_data_dma_reg;
1227 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1228 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1229 
1230 	iter_reg = fw->rcvt1_data_dma_reg;
1231 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1232 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1233 
1234 	/* RISC registers. */
1235 	iter_reg = fw->risc_gp_reg;
1236 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1237 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1238 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1239 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1240 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1241 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1242 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1243 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1244 
1245 	/* Local memory controller registers. */
1246 	iter_reg = fw->lmc_reg;
1247 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1248 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1249 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1250 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1251 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1252 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1253 	qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1254 
1255 	/* Fibre Protocol Module registers. */
1256 	iter_reg = fw->fpm_hdw_reg;
1257 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1258 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1259 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1260 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1261 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1262 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1263 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1264 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1265 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1266 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1267 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1268 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1269 
1270 	/* Frame Buffer registers. */
1271 	iter_reg = fw->fb_hdw_reg;
1272 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1273 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1274 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1275 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1276 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1277 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1278 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1279 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1280 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1281 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1282 	qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1283 
1284 	rval = qla24xx_soft_reset(ha);
1285 	if (rval != QLA_SUCCESS)
1286 		goto qla24xx_fw_dump_failed_0;
1287 
1288 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1289 	    &nxt);
1290 	if (rval != QLA_SUCCESS)
1291 		goto qla24xx_fw_dump_failed_0;
1292 
1293 	nxt = qla2xxx_copy_queues(ha, nxt);
1294 
1295 	qla24xx_copy_eft(ha, nxt);
1296 
1297 	nxt_chain = (void *)ha->fw_dump + ha->chain_offset;
1298 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1299 	if (last_chain) {
1300 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1301 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1302 	}
1303 
1304 	/* Adjust valid length. */
1305 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1306 
1307 qla24xx_fw_dump_failed_0:
1308 	qla2xxx_dump_post_process(base_vha, rval);
1309 }
1310 
1311 void
1312 qla25xx_fw_dump(scsi_qla_host_t *vha)
1313 {
1314 	int		rval;
1315 	uint32_t	cnt;
1316 	struct qla_hw_data *ha = vha->hw;
1317 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1318 	__le32 __iomem *dmp_reg;
1319 	__be32		*iter_reg;
1320 	__le16 __iomem *mbx_reg;
1321 	struct qla25xx_fw_dump *fw;
1322 	void		*nxt, *nxt_chain;
1323 	__be32		*last_chain = NULL;
1324 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1325 
1326 	lockdep_assert_held(&ha->hardware_lock);
1327 
1328 	ha->fw_dump_cap_flags = 0;
1329 
1330 	if (!ha->fw_dump) {
1331 		ql_log(ql_log_warn, vha, 0xd008,
1332 		    "No buffer available for dump.\n");
1333 		return;
1334 	}
1335 
1336 	if (ha->fw_dumped) {
1337 		ql_log(ql_log_warn, vha, 0xd009,
1338 		    "Firmware has been previously dumped (%p) "
1339 		    "-- ignoring request.\n",
1340 		    ha->fw_dump);
1341 		return;
1342 	}
1343 	QLA_FW_STOPPED(ha);
1344 	fw = &ha->fw_dump->isp.isp25;
1345 	qla2xxx_prep_dump(ha, ha->fw_dump);
1346 	ha->fw_dump->version = htonl(2);
1347 
1348 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1349 
1350 	/*
1351 	 * Pause RISC. No need to track timeout, as resetting the chip
1352 	 * is the right approach incase of pause timeout
1353 	 */
1354 	qla24xx_pause_risc(reg, ha);
1355 
1356 	/* Host/Risc registers. */
1357 	iter_reg = fw->host_risc_reg;
1358 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1359 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1360 
1361 	/* PCIe registers. */
1362 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
1363 	rd_reg_dword(&reg->iobase_addr);
1364 	wrt_reg_dword(&reg->iobase_window, 0x01);
1365 	dmp_reg = &reg->iobase_c4;
1366 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
1367 	dmp_reg++;
1368 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
1369 	dmp_reg++;
1370 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
1371 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
1372 
1373 	wrt_reg_dword(&reg->iobase_window, 0x00);
1374 	rd_reg_dword(&reg->iobase_window);
1375 
1376 	/* Host interface registers. */
1377 	dmp_reg = &reg->flash_addr;
1378 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1379 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1380 
1381 	/* Disable interrupts. */
1382 	wrt_reg_dword(&reg->ictrl, 0);
1383 	rd_reg_dword(&reg->ictrl);
1384 
1385 	/* Shadow registers. */
1386 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1387 	rd_reg_dword(&reg->iobase_addr);
1388 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1389 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1390 
1391 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1392 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1393 
1394 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1395 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1396 
1397 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1398 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1399 
1400 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1401 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1402 
1403 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1404 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1405 
1406 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1407 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1408 
1409 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
1410 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
1411 
1412 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
1413 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
1414 
1415 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
1416 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
1417 
1418 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
1419 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
1420 
1421 	/* RISC I/O register. */
1422 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
1423 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
1424 
1425 	/* Mailbox registers. */
1426 	mbx_reg = &reg->mailbox0;
1427 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1428 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1429 
1430 	/* Transfer sequence registers. */
1431 	iter_reg = fw->xseq_gp_reg;
1432 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1433 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1434 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1435 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1436 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1437 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1438 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1439 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1440 
1441 	iter_reg = fw->xseq_0_reg;
1442 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1443 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1444 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1445 
1446 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1447 
1448 	/* Receive sequence registers. */
1449 	iter_reg = fw->rseq_gp_reg;
1450 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1451 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1452 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1453 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1454 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1455 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1456 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1457 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1458 
1459 	iter_reg = fw->rseq_0_reg;
1460 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1461 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1462 
1463 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1464 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1465 
1466 	/* Auxiliary sequence registers. */
1467 	iter_reg = fw->aseq_gp_reg;
1468 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1469 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1470 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1471 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1472 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1473 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1474 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1475 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1476 
1477 	iter_reg = fw->aseq_0_reg;
1478 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1479 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1480 
1481 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1482 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1483 
1484 	/* Command DMA registers. */
1485 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1486 
1487 	/* Queues. */
1488 	iter_reg = fw->req0_dma_reg;
1489 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1490 	dmp_reg = &reg->iobase_q;
1491 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1492 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1493 
1494 	iter_reg = fw->resp0_dma_reg;
1495 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1496 	dmp_reg = &reg->iobase_q;
1497 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1498 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1499 
1500 	iter_reg = fw->req1_dma_reg;
1501 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1502 	dmp_reg = &reg->iobase_q;
1503 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1504 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1505 
1506 	/* Transmit DMA registers. */
1507 	iter_reg = fw->xmt0_dma_reg;
1508 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1509 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1510 
1511 	iter_reg = fw->xmt1_dma_reg;
1512 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1513 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1514 
1515 	iter_reg = fw->xmt2_dma_reg;
1516 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1517 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1518 
1519 	iter_reg = fw->xmt3_dma_reg;
1520 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1521 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1522 
1523 	iter_reg = fw->xmt4_dma_reg;
1524 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1525 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1526 
1527 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1528 
1529 	/* Receive DMA registers. */
1530 	iter_reg = fw->rcvt0_data_dma_reg;
1531 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1532 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1533 
1534 	iter_reg = fw->rcvt1_data_dma_reg;
1535 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1536 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1537 
1538 	/* RISC registers. */
1539 	iter_reg = fw->risc_gp_reg;
1540 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1541 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1542 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1543 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1544 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1545 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1546 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1547 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1548 
1549 	/* Local memory controller registers. */
1550 	iter_reg = fw->lmc_reg;
1551 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1552 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1553 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1554 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1555 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1556 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1557 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1558 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1559 
1560 	/* Fibre Protocol Module registers. */
1561 	iter_reg = fw->fpm_hdw_reg;
1562 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1563 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1564 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1565 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1566 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1567 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1568 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1569 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1570 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1571 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1572 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1573 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1574 
1575 	/* Frame Buffer registers. */
1576 	iter_reg = fw->fb_hdw_reg;
1577 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1578 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1579 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1580 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1581 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1582 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1583 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1584 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1585 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1586 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1587 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1588 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1589 
1590 	/* Multi queue registers */
1591 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1592 	    &last_chain);
1593 
1594 	rval = qla24xx_soft_reset(ha);
1595 	if (rval != QLA_SUCCESS)
1596 		goto qla25xx_fw_dump_failed_0;
1597 
1598 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1599 	    &nxt);
1600 	if (rval != QLA_SUCCESS)
1601 		goto qla25xx_fw_dump_failed_0;
1602 
1603 	nxt = qla2xxx_copy_queues(ha, nxt);
1604 
1605 	qla24xx_copy_eft(ha, nxt);
1606 
1607 	/* Chain entries -- started with MQ. */
1608 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1609 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1610 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1611 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
1612 	if (last_chain) {
1613 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1614 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1615 	}
1616 
1617 	/* Adjust valid length. */
1618 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1619 
1620 qla25xx_fw_dump_failed_0:
1621 	qla2xxx_dump_post_process(base_vha, rval);
1622 }
1623 
1624 void
1625 qla81xx_fw_dump(scsi_qla_host_t *vha)
1626 {
1627 	int		rval;
1628 	uint32_t	cnt;
1629 	struct qla_hw_data *ha = vha->hw;
1630 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1631 	__le32 __iomem *dmp_reg;
1632 	__be32		*iter_reg;
1633 	__le16 __iomem *mbx_reg;
1634 	struct qla81xx_fw_dump *fw;
1635 	void		*nxt, *nxt_chain;
1636 	__be32		*last_chain = NULL;
1637 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1638 
1639 	lockdep_assert_held(&ha->hardware_lock);
1640 
1641 	ha->fw_dump_cap_flags = 0;
1642 
1643 	if (!ha->fw_dump) {
1644 		ql_log(ql_log_warn, vha, 0xd00a,
1645 		    "No buffer available for dump.\n");
1646 		return;
1647 	}
1648 
1649 	if (ha->fw_dumped) {
1650 		ql_log(ql_log_warn, vha, 0xd00b,
1651 		    "Firmware has been previously dumped (%p) "
1652 		    "-- ignoring request.\n",
1653 		    ha->fw_dump);
1654 		return;
1655 	}
1656 	fw = &ha->fw_dump->isp.isp81;
1657 	qla2xxx_prep_dump(ha, ha->fw_dump);
1658 
1659 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1660 
1661 	/*
1662 	 * Pause RISC. No need to track timeout, as resetting the chip
1663 	 * is the right approach incase of pause timeout
1664 	 */
1665 	qla24xx_pause_risc(reg, ha);
1666 
1667 	/* Host/Risc registers. */
1668 	iter_reg = fw->host_risc_reg;
1669 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1670 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1671 
1672 	/* PCIe registers. */
1673 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
1674 	rd_reg_dword(&reg->iobase_addr);
1675 	wrt_reg_dword(&reg->iobase_window, 0x01);
1676 	dmp_reg = &reg->iobase_c4;
1677 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
1678 	dmp_reg++;
1679 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
1680 	dmp_reg++;
1681 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
1682 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
1683 
1684 	wrt_reg_dword(&reg->iobase_window, 0x00);
1685 	rd_reg_dword(&reg->iobase_window);
1686 
1687 	/* Host interface registers. */
1688 	dmp_reg = &reg->flash_addr;
1689 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
1690 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
1691 
1692 	/* Disable interrupts. */
1693 	wrt_reg_dword(&reg->ictrl, 0);
1694 	rd_reg_dword(&reg->ictrl);
1695 
1696 	/* Shadow registers. */
1697 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1698 	rd_reg_dword(&reg->iobase_addr);
1699 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
1700 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
1701 
1702 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
1703 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
1704 
1705 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
1706 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
1707 
1708 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
1709 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
1710 
1711 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
1712 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
1713 
1714 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
1715 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
1716 
1717 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
1718 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
1719 
1720 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
1721 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
1722 
1723 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
1724 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
1725 
1726 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
1727 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
1728 
1729 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
1730 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
1731 
1732 	/* RISC I/O register. */
1733 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
1734 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
1735 
1736 	/* Mailbox registers. */
1737 	mbx_reg = &reg->mailbox0;
1738 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
1739 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
1740 
1741 	/* Transfer sequence registers. */
1742 	iter_reg = fw->xseq_gp_reg;
1743 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1744 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1745 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1746 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1747 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1748 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1749 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1750 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1751 
1752 	iter_reg = fw->xseq_0_reg;
1753 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1754 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1755 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1756 
1757 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1758 
1759 	/* Receive sequence registers. */
1760 	iter_reg = fw->rseq_gp_reg;
1761 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1762 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1763 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1764 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1765 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1766 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1767 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1768 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1769 
1770 	iter_reg = fw->rseq_0_reg;
1771 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1772 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1773 
1774 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1775 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1776 
1777 	/* Auxiliary sequence registers. */
1778 	iter_reg = fw->aseq_gp_reg;
1779 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1780 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1781 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1782 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1783 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1784 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1785 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1786 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1787 
1788 	iter_reg = fw->aseq_0_reg;
1789 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1790 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1791 
1792 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1793 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1794 
1795 	/* Command DMA registers. */
1796 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1797 
1798 	/* Queues. */
1799 	iter_reg = fw->req0_dma_reg;
1800 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1801 	dmp_reg = &reg->iobase_q;
1802 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1803 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1804 
1805 	iter_reg = fw->resp0_dma_reg;
1806 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1807 	dmp_reg = &reg->iobase_q;
1808 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1809 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1810 
1811 	iter_reg = fw->req1_dma_reg;
1812 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1813 	dmp_reg = &reg->iobase_q;
1814 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
1815 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
1816 
1817 	/* Transmit DMA registers. */
1818 	iter_reg = fw->xmt0_dma_reg;
1819 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1820 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1821 
1822 	iter_reg = fw->xmt1_dma_reg;
1823 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1824 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1825 
1826 	iter_reg = fw->xmt2_dma_reg;
1827 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1828 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1829 
1830 	iter_reg = fw->xmt3_dma_reg;
1831 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1832 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1833 
1834 	iter_reg = fw->xmt4_dma_reg;
1835 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1836 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1837 
1838 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1839 
1840 	/* Receive DMA registers. */
1841 	iter_reg = fw->rcvt0_data_dma_reg;
1842 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1843 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1844 
1845 	iter_reg = fw->rcvt1_data_dma_reg;
1846 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1847 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1848 
1849 	/* RISC registers. */
1850 	iter_reg = fw->risc_gp_reg;
1851 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1852 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1853 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1854 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1855 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1856 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1857 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1858 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1859 
1860 	/* Local memory controller registers. */
1861 	iter_reg = fw->lmc_reg;
1862 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1863 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1864 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1865 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1866 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1867 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1868 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1869 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1870 
1871 	/* Fibre Protocol Module registers. */
1872 	iter_reg = fw->fpm_hdw_reg;
1873 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1874 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1875 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1876 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1877 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1878 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1879 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1880 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1881 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1882 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1883 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1884 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1885 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
1886 	qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
1887 
1888 	/* Frame Buffer registers. */
1889 	iter_reg = fw->fb_hdw_reg;
1890 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1891 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1892 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1893 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1894 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1895 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1896 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1897 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1898 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1899 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1900 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1901 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
1902 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1903 
1904 	/* Multi queue registers */
1905 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1906 	    &last_chain);
1907 
1908 	rval = qla24xx_soft_reset(ha);
1909 	if (rval != QLA_SUCCESS)
1910 		goto qla81xx_fw_dump_failed_0;
1911 
1912 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1913 	    &nxt);
1914 	if (rval != QLA_SUCCESS)
1915 		goto qla81xx_fw_dump_failed_0;
1916 
1917 	nxt = qla2xxx_copy_queues(ha, nxt);
1918 
1919 	qla24xx_copy_eft(ha, nxt);
1920 
1921 	/* Chain entries -- started with MQ. */
1922 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1923 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1924 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1925 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
1926 	nxt_chain = qla81xx_copy_exchoffld(ha, nxt_chain, &last_chain);
1927 	if (last_chain) {
1928 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
1929 		*last_chain |= htonl(DUMP_CHAIN_LAST);
1930 	}
1931 
1932 	/* Adjust valid length. */
1933 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1934 
1935 qla81xx_fw_dump_failed_0:
1936 	qla2xxx_dump_post_process(base_vha, rval);
1937 }
1938 
1939 void
1940 qla83xx_fw_dump(scsi_qla_host_t *vha)
1941 {
1942 	int		rval;
1943 	uint32_t	cnt;
1944 	struct qla_hw_data *ha = vha->hw;
1945 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1946 	__le32 __iomem *dmp_reg;
1947 	__be32		*iter_reg;
1948 	__le16 __iomem *mbx_reg;
1949 	struct qla83xx_fw_dump *fw;
1950 	void		*nxt, *nxt_chain;
1951 	__be32		*last_chain = NULL;
1952 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1953 
1954 	lockdep_assert_held(&ha->hardware_lock);
1955 
1956 	ha->fw_dump_cap_flags = 0;
1957 
1958 	if (!ha->fw_dump) {
1959 		ql_log(ql_log_warn, vha, 0xd00c,
1960 		    "No buffer available for dump!!!\n");
1961 		return;
1962 	}
1963 
1964 	if (ha->fw_dumped) {
1965 		ql_log(ql_log_warn, vha, 0xd00d,
1966 		    "Firmware has been previously dumped (%p) -- ignoring "
1967 		    "request...\n", ha->fw_dump);
1968 		return;
1969 	}
1970 	QLA_FW_STOPPED(ha);
1971 	fw = &ha->fw_dump->isp.isp83;
1972 	qla2xxx_prep_dump(ha, ha->fw_dump);
1973 
1974 	fw->host_status = htonl(rd_reg_dword(&reg->host_status));
1975 
1976 	/*
1977 	 * Pause RISC. No need to track timeout, as resetting the chip
1978 	 * is the right approach incase of pause timeout
1979 	 */
1980 	qla24xx_pause_risc(reg, ha);
1981 
1982 	wrt_reg_dword(&reg->iobase_addr, 0x6000);
1983 	dmp_reg = &reg->iobase_window;
1984 	rd_reg_dword(dmp_reg);
1985 	wrt_reg_dword(dmp_reg, 0);
1986 
1987 	dmp_reg = &reg->unused_4_1[0];
1988 	rd_reg_dword(dmp_reg);
1989 	wrt_reg_dword(dmp_reg, 0);
1990 
1991 	wrt_reg_dword(&reg->iobase_addr, 0x6010);
1992 	dmp_reg = &reg->unused_4_1[2];
1993 	rd_reg_dword(dmp_reg);
1994 	wrt_reg_dword(dmp_reg, 0);
1995 
1996 	/* select PCR and disable ecc checking and correction */
1997 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
1998 	rd_reg_dword(&reg->iobase_addr);
1999 	wrt_reg_dword(&reg->iobase_select, 0x60000000);	/* write to F0h = PCR */
2000 
2001 	/* Host/Risc registers. */
2002 	iter_reg = fw->host_risc_reg;
2003 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
2004 	iter_reg = qla24xx_read_window(reg, 0x7010, 16, iter_reg);
2005 	qla24xx_read_window(reg, 0x7040, 16, iter_reg);
2006 
2007 	/* PCIe registers. */
2008 	wrt_reg_dword(&reg->iobase_addr, 0x7C00);
2009 	rd_reg_dword(&reg->iobase_addr);
2010 	wrt_reg_dword(&reg->iobase_window, 0x01);
2011 	dmp_reg = &reg->iobase_c4;
2012 	fw->pcie_regs[0] = htonl(rd_reg_dword(dmp_reg));
2013 	dmp_reg++;
2014 	fw->pcie_regs[1] = htonl(rd_reg_dword(dmp_reg));
2015 	dmp_reg++;
2016 	fw->pcie_regs[2] = htonl(rd_reg_dword(dmp_reg));
2017 	fw->pcie_regs[3] = htonl(rd_reg_dword(&reg->iobase_window));
2018 
2019 	wrt_reg_dword(&reg->iobase_window, 0x00);
2020 	rd_reg_dword(&reg->iobase_window);
2021 
2022 	/* Host interface registers. */
2023 	dmp_reg = &reg->flash_addr;
2024 	for (cnt = 0; cnt < ARRAY_SIZE(fw->host_reg); cnt++, dmp_reg++)
2025 		fw->host_reg[cnt] = htonl(rd_reg_dword(dmp_reg));
2026 
2027 	/* Disable interrupts. */
2028 	wrt_reg_dword(&reg->ictrl, 0);
2029 	rd_reg_dword(&reg->ictrl);
2030 
2031 	/* Shadow registers. */
2032 	wrt_reg_dword(&reg->iobase_addr, 0x0F70);
2033 	rd_reg_dword(&reg->iobase_addr);
2034 	wrt_reg_dword(&reg->iobase_select, 0xB0000000);
2035 	fw->shadow_reg[0] = htonl(rd_reg_dword(&reg->iobase_sdata));
2036 
2037 	wrt_reg_dword(&reg->iobase_select, 0xB0100000);
2038 	fw->shadow_reg[1] = htonl(rd_reg_dword(&reg->iobase_sdata));
2039 
2040 	wrt_reg_dword(&reg->iobase_select, 0xB0200000);
2041 	fw->shadow_reg[2] = htonl(rd_reg_dword(&reg->iobase_sdata));
2042 
2043 	wrt_reg_dword(&reg->iobase_select, 0xB0300000);
2044 	fw->shadow_reg[3] = htonl(rd_reg_dword(&reg->iobase_sdata));
2045 
2046 	wrt_reg_dword(&reg->iobase_select, 0xB0400000);
2047 	fw->shadow_reg[4] = htonl(rd_reg_dword(&reg->iobase_sdata));
2048 
2049 	wrt_reg_dword(&reg->iobase_select, 0xB0500000);
2050 	fw->shadow_reg[5] = htonl(rd_reg_dword(&reg->iobase_sdata));
2051 
2052 	wrt_reg_dword(&reg->iobase_select, 0xB0600000);
2053 	fw->shadow_reg[6] = htonl(rd_reg_dword(&reg->iobase_sdata));
2054 
2055 	wrt_reg_dword(&reg->iobase_select, 0xB0700000);
2056 	fw->shadow_reg[7] = htonl(rd_reg_dword(&reg->iobase_sdata));
2057 
2058 	wrt_reg_dword(&reg->iobase_select, 0xB0800000);
2059 	fw->shadow_reg[8] = htonl(rd_reg_dword(&reg->iobase_sdata));
2060 
2061 	wrt_reg_dword(&reg->iobase_select, 0xB0900000);
2062 	fw->shadow_reg[9] = htonl(rd_reg_dword(&reg->iobase_sdata));
2063 
2064 	wrt_reg_dword(&reg->iobase_select, 0xB0A00000);
2065 	fw->shadow_reg[10] = htonl(rd_reg_dword(&reg->iobase_sdata));
2066 
2067 	/* RISC I/O register. */
2068 	wrt_reg_dword(&reg->iobase_addr, 0x0010);
2069 	fw->risc_io_reg = htonl(rd_reg_dword(&reg->iobase_window));
2070 
2071 	/* Mailbox registers. */
2072 	mbx_reg = &reg->mailbox0;
2073 	for (cnt = 0; cnt < ARRAY_SIZE(fw->mailbox_reg); cnt++, mbx_reg++)
2074 		fw->mailbox_reg[cnt] = htons(rd_reg_word(mbx_reg));
2075 
2076 	/* Transfer sequence registers. */
2077 	iter_reg = fw->xseq_gp_reg;
2078 	iter_reg = qla24xx_read_window(reg, 0xBE00, 16, iter_reg);
2079 	iter_reg = qla24xx_read_window(reg, 0xBE10, 16, iter_reg);
2080 	iter_reg = qla24xx_read_window(reg, 0xBE20, 16, iter_reg);
2081 	iter_reg = qla24xx_read_window(reg, 0xBE30, 16, iter_reg);
2082 	iter_reg = qla24xx_read_window(reg, 0xBE40, 16, iter_reg);
2083 	iter_reg = qla24xx_read_window(reg, 0xBE50, 16, iter_reg);
2084 	iter_reg = qla24xx_read_window(reg, 0xBE60, 16, iter_reg);
2085 	iter_reg = qla24xx_read_window(reg, 0xBE70, 16, iter_reg);
2086 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
2087 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
2088 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
2089 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
2090 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
2091 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
2092 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
2093 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
2094 
2095 	iter_reg = fw->xseq_0_reg;
2096 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
2097 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
2098 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
2099 
2100 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
2101 
2102 	qla24xx_read_window(reg, 0xBEF0, 16, fw->xseq_2_reg);
2103 
2104 	/* Receive sequence registers. */
2105 	iter_reg = fw->rseq_gp_reg;
2106 	iter_reg = qla24xx_read_window(reg, 0xFE00, 16, iter_reg);
2107 	iter_reg = qla24xx_read_window(reg, 0xFE10, 16, iter_reg);
2108 	iter_reg = qla24xx_read_window(reg, 0xFE20, 16, iter_reg);
2109 	iter_reg = qla24xx_read_window(reg, 0xFE30, 16, iter_reg);
2110 	iter_reg = qla24xx_read_window(reg, 0xFE40, 16, iter_reg);
2111 	iter_reg = qla24xx_read_window(reg, 0xFE50, 16, iter_reg);
2112 	iter_reg = qla24xx_read_window(reg, 0xFE60, 16, iter_reg);
2113 	iter_reg = qla24xx_read_window(reg, 0xFE70, 16, iter_reg);
2114 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
2115 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
2116 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
2117 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
2118 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
2119 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
2120 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
2121 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
2122 
2123 	iter_reg = fw->rseq_0_reg;
2124 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
2125 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
2126 
2127 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
2128 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
2129 	qla24xx_read_window(reg, 0xFEF0, 16, fw->rseq_3_reg);
2130 
2131 	/* Auxiliary sequence registers. */
2132 	iter_reg = fw->aseq_gp_reg;
2133 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
2134 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
2135 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
2136 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
2137 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
2138 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
2139 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
2140 	iter_reg = qla24xx_read_window(reg, 0xB070, 16, iter_reg);
2141 	iter_reg = qla24xx_read_window(reg, 0xB100, 16, iter_reg);
2142 	iter_reg = qla24xx_read_window(reg, 0xB110, 16, iter_reg);
2143 	iter_reg = qla24xx_read_window(reg, 0xB120, 16, iter_reg);
2144 	iter_reg = qla24xx_read_window(reg, 0xB130, 16, iter_reg);
2145 	iter_reg = qla24xx_read_window(reg, 0xB140, 16, iter_reg);
2146 	iter_reg = qla24xx_read_window(reg, 0xB150, 16, iter_reg);
2147 	iter_reg = qla24xx_read_window(reg, 0xB160, 16, iter_reg);
2148 	qla24xx_read_window(reg, 0xB170, 16, iter_reg);
2149 
2150 	iter_reg = fw->aseq_0_reg;
2151 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
2152 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
2153 
2154 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
2155 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
2156 	qla24xx_read_window(reg, 0xB1F0, 16, fw->aseq_3_reg);
2157 
2158 	/* Command DMA registers. */
2159 	iter_reg = fw->cmd_dma_reg;
2160 	iter_reg = qla24xx_read_window(reg, 0x7100, 16, iter_reg);
2161 	iter_reg = qla24xx_read_window(reg, 0x7120, 16, iter_reg);
2162 	iter_reg = qla24xx_read_window(reg, 0x7130, 16, iter_reg);
2163 	qla24xx_read_window(reg, 0x71F0, 16, iter_reg);
2164 
2165 	/* Queues. */
2166 	iter_reg = fw->req0_dma_reg;
2167 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
2168 	dmp_reg = &reg->iobase_q;
2169 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2170 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2171 
2172 	iter_reg = fw->resp0_dma_reg;
2173 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
2174 	dmp_reg = &reg->iobase_q;
2175 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2176 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2177 
2178 	iter_reg = fw->req1_dma_reg;
2179 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
2180 	dmp_reg = &reg->iobase_q;
2181 	for (cnt = 0; cnt < 7; cnt++, dmp_reg++)
2182 		*iter_reg++ = htonl(rd_reg_dword(dmp_reg));
2183 
2184 	/* Transmit DMA registers. */
2185 	iter_reg = fw->xmt0_dma_reg;
2186 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
2187 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
2188 
2189 	iter_reg = fw->xmt1_dma_reg;
2190 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
2191 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
2192 
2193 	iter_reg = fw->xmt2_dma_reg;
2194 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
2195 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
2196 
2197 	iter_reg = fw->xmt3_dma_reg;
2198 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
2199 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
2200 
2201 	iter_reg = fw->xmt4_dma_reg;
2202 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
2203 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
2204 
2205 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
2206 
2207 	/* Receive DMA registers. */
2208 	iter_reg = fw->rcvt0_data_dma_reg;
2209 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
2210 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
2211 
2212 	iter_reg = fw->rcvt1_data_dma_reg;
2213 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
2214 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
2215 
2216 	/* RISC registers. */
2217 	iter_reg = fw->risc_gp_reg;
2218 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
2219 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
2220 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
2221 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
2222 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
2223 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
2224 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
2225 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
2226 
2227 	/* Local memory controller registers. */
2228 	iter_reg = fw->lmc_reg;
2229 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
2230 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
2231 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
2232 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
2233 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
2234 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
2235 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
2236 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
2237 
2238 	/* Fibre Protocol Module registers. */
2239 	iter_reg = fw->fpm_hdw_reg;
2240 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
2241 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
2242 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
2243 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
2244 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
2245 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
2246 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
2247 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
2248 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
2249 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
2250 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
2251 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
2252 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
2253 	iter_reg = qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
2254 	iter_reg = qla24xx_read_window(reg, 0x40E0, 16, iter_reg);
2255 	qla24xx_read_window(reg, 0x40F0, 16, iter_reg);
2256 
2257 	/* RQ0 Array registers. */
2258 	iter_reg = fw->rq0_array_reg;
2259 	iter_reg = qla24xx_read_window(reg, 0x5C00, 16, iter_reg);
2260 	iter_reg = qla24xx_read_window(reg, 0x5C10, 16, iter_reg);
2261 	iter_reg = qla24xx_read_window(reg, 0x5C20, 16, iter_reg);
2262 	iter_reg = qla24xx_read_window(reg, 0x5C30, 16, iter_reg);
2263 	iter_reg = qla24xx_read_window(reg, 0x5C40, 16, iter_reg);
2264 	iter_reg = qla24xx_read_window(reg, 0x5C50, 16, iter_reg);
2265 	iter_reg = qla24xx_read_window(reg, 0x5C60, 16, iter_reg);
2266 	iter_reg = qla24xx_read_window(reg, 0x5C70, 16, iter_reg);
2267 	iter_reg = qla24xx_read_window(reg, 0x5C80, 16, iter_reg);
2268 	iter_reg = qla24xx_read_window(reg, 0x5C90, 16, iter_reg);
2269 	iter_reg = qla24xx_read_window(reg, 0x5CA0, 16, iter_reg);
2270 	iter_reg = qla24xx_read_window(reg, 0x5CB0, 16, iter_reg);
2271 	iter_reg = qla24xx_read_window(reg, 0x5CC0, 16, iter_reg);
2272 	iter_reg = qla24xx_read_window(reg, 0x5CD0, 16, iter_reg);
2273 	iter_reg = qla24xx_read_window(reg, 0x5CE0, 16, iter_reg);
2274 	qla24xx_read_window(reg, 0x5CF0, 16, iter_reg);
2275 
2276 	/* RQ1 Array registers. */
2277 	iter_reg = fw->rq1_array_reg;
2278 	iter_reg = qla24xx_read_window(reg, 0x5D00, 16, iter_reg);
2279 	iter_reg = qla24xx_read_window(reg, 0x5D10, 16, iter_reg);
2280 	iter_reg = qla24xx_read_window(reg, 0x5D20, 16, iter_reg);
2281 	iter_reg = qla24xx_read_window(reg, 0x5D30, 16, iter_reg);
2282 	iter_reg = qla24xx_read_window(reg, 0x5D40, 16, iter_reg);
2283 	iter_reg = qla24xx_read_window(reg, 0x5D50, 16, iter_reg);
2284 	iter_reg = qla24xx_read_window(reg, 0x5D60, 16, iter_reg);
2285 	iter_reg = qla24xx_read_window(reg, 0x5D70, 16, iter_reg);
2286 	iter_reg = qla24xx_read_window(reg, 0x5D80, 16, iter_reg);
2287 	iter_reg = qla24xx_read_window(reg, 0x5D90, 16, iter_reg);
2288 	iter_reg = qla24xx_read_window(reg, 0x5DA0, 16, iter_reg);
2289 	iter_reg = qla24xx_read_window(reg, 0x5DB0, 16, iter_reg);
2290 	iter_reg = qla24xx_read_window(reg, 0x5DC0, 16, iter_reg);
2291 	iter_reg = qla24xx_read_window(reg, 0x5DD0, 16, iter_reg);
2292 	iter_reg = qla24xx_read_window(reg, 0x5DE0, 16, iter_reg);
2293 	qla24xx_read_window(reg, 0x5DF0, 16, iter_reg);
2294 
2295 	/* RP0 Array registers. */
2296 	iter_reg = fw->rp0_array_reg;
2297 	iter_reg = qla24xx_read_window(reg, 0x5E00, 16, iter_reg);
2298 	iter_reg = qla24xx_read_window(reg, 0x5E10, 16, iter_reg);
2299 	iter_reg = qla24xx_read_window(reg, 0x5E20, 16, iter_reg);
2300 	iter_reg = qla24xx_read_window(reg, 0x5E30, 16, iter_reg);
2301 	iter_reg = qla24xx_read_window(reg, 0x5E40, 16, iter_reg);
2302 	iter_reg = qla24xx_read_window(reg, 0x5E50, 16, iter_reg);
2303 	iter_reg = qla24xx_read_window(reg, 0x5E60, 16, iter_reg);
2304 	iter_reg = qla24xx_read_window(reg, 0x5E70, 16, iter_reg);
2305 	iter_reg = qla24xx_read_window(reg, 0x5E80, 16, iter_reg);
2306 	iter_reg = qla24xx_read_window(reg, 0x5E90, 16, iter_reg);
2307 	iter_reg = qla24xx_read_window(reg, 0x5EA0, 16, iter_reg);
2308 	iter_reg = qla24xx_read_window(reg, 0x5EB0, 16, iter_reg);
2309 	iter_reg = qla24xx_read_window(reg, 0x5EC0, 16, iter_reg);
2310 	iter_reg = qla24xx_read_window(reg, 0x5ED0, 16, iter_reg);
2311 	iter_reg = qla24xx_read_window(reg, 0x5EE0, 16, iter_reg);
2312 	qla24xx_read_window(reg, 0x5EF0, 16, iter_reg);
2313 
2314 	/* RP1 Array registers. */
2315 	iter_reg = fw->rp1_array_reg;
2316 	iter_reg = qla24xx_read_window(reg, 0x5F00, 16, iter_reg);
2317 	iter_reg = qla24xx_read_window(reg, 0x5F10, 16, iter_reg);
2318 	iter_reg = qla24xx_read_window(reg, 0x5F20, 16, iter_reg);
2319 	iter_reg = qla24xx_read_window(reg, 0x5F30, 16, iter_reg);
2320 	iter_reg = qla24xx_read_window(reg, 0x5F40, 16, iter_reg);
2321 	iter_reg = qla24xx_read_window(reg, 0x5F50, 16, iter_reg);
2322 	iter_reg = qla24xx_read_window(reg, 0x5F60, 16, iter_reg);
2323 	iter_reg = qla24xx_read_window(reg, 0x5F70, 16, iter_reg);
2324 	iter_reg = qla24xx_read_window(reg, 0x5F80, 16, iter_reg);
2325 	iter_reg = qla24xx_read_window(reg, 0x5F90, 16, iter_reg);
2326 	iter_reg = qla24xx_read_window(reg, 0x5FA0, 16, iter_reg);
2327 	iter_reg = qla24xx_read_window(reg, 0x5FB0, 16, iter_reg);
2328 	iter_reg = qla24xx_read_window(reg, 0x5FC0, 16, iter_reg);
2329 	iter_reg = qla24xx_read_window(reg, 0x5FD0, 16, iter_reg);
2330 	iter_reg = qla24xx_read_window(reg, 0x5FE0, 16, iter_reg);
2331 	qla24xx_read_window(reg, 0x5FF0, 16, iter_reg);
2332 
2333 	iter_reg = fw->at0_array_reg;
2334 	iter_reg = qla24xx_read_window(reg, 0x7080, 16, iter_reg);
2335 	iter_reg = qla24xx_read_window(reg, 0x7090, 16, iter_reg);
2336 	iter_reg = qla24xx_read_window(reg, 0x70A0, 16, iter_reg);
2337 	iter_reg = qla24xx_read_window(reg, 0x70B0, 16, iter_reg);
2338 	iter_reg = qla24xx_read_window(reg, 0x70C0, 16, iter_reg);
2339 	iter_reg = qla24xx_read_window(reg, 0x70D0, 16, iter_reg);
2340 	iter_reg = qla24xx_read_window(reg, 0x70E0, 16, iter_reg);
2341 	qla24xx_read_window(reg, 0x70F0, 16, iter_reg);
2342 
2343 	/* I/O Queue Control registers. */
2344 	qla24xx_read_window(reg, 0x7800, 16, fw->queue_control_reg);
2345 
2346 	/* Frame Buffer registers. */
2347 	iter_reg = fw->fb_hdw_reg;
2348 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
2349 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
2350 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
2351 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
2352 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
2353 	iter_reg = qla24xx_read_window(reg, 0x6060, 16, iter_reg);
2354 	iter_reg = qla24xx_read_window(reg, 0x6070, 16, iter_reg);
2355 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
2356 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
2357 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
2358 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
2359 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
2360 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
2361 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
2362 	iter_reg = qla24xx_read_window(reg, 0x6530, 16, iter_reg);
2363 	iter_reg = qla24xx_read_window(reg, 0x6540, 16, iter_reg);
2364 	iter_reg = qla24xx_read_window(reg, 0x6550, 16, iter_reg);
2365 	iter_reg = qla24xx_read_window(reg, 0x6560, 16, iter_reg);
2366 	iter_reg = qla24xx_read_window(reg, 0x6570, 16, iter_reg);
2367 	iter_reg = qla24xx_read_window(reg, 0x6580, 16, iter_reg);
2368 	iter_reg = qla24xx_read_window(reg, 0x6590, 16, iter_reg);
2369 	iter_reg = qla24xx_read_window(reg, 0x65A0, 16, iter_reg);
2370 	iter_reg = qla24xx_read_window(reg, 0x65B0, 16, iter_reg);
2371 	iter_reg = qla24xx_read_window(reg, 0x65C0, 16, iter_reg);
2372 	iter_reg = qla24xx_read_window(reg, 0x65D0, 16, iter_reg);
2373 	iter_reg = qla24xx_read_window(reg, 0x65E0, 16, iter_reg);
2374 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
2375 
2376 	/* Multi queue registers */
2377 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
2378 	    &last_chain);
2379 
2380 	rval = qla24xx_soft_reset(ha);
2381 	if (rval != QLA_SUCCESS) {
2382 		ql_log(ql_log_warn, vha, 0xd00e,
2383 		    "SOFT RESET FAILED, forcing continuation of dump!!!\n");
2384 		rval = QLA_SUCCESS;
2385 
2386 		ql_log(ql_log_warn, vha, 0xd00f, "try a bigger hammer!!!\n");
2387 
2388 		wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
2389 		rd_reg_dword(&reg->hccr);
2390 
2391 		wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2392 		rd_reg_dword(&reg->hccr);
2393 
2394 		wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
2395 		rd_reg_dword(&reg->hccr);
2396 
2397 		for (cnt = 30000; cnt && (rd_reg_word(&reg->mailbox0)); cnt--)
2398 			udelay(5);
2399 
2400 		if (!cnt) {
2401 			nxt = fw->code_ram;
2402 			nxt += sizeof(fw->code_ram);
2403 			nxt += (ha->fw_memory_size - 0x100000 + 1);
2404 			goto copy_queue;
2405 		} else {
2406 			set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2407 			ql_log(ql_log_warn, vha, 0xd010,
2408 			    "bigger hammer success?\n");
2409 		}
2410 	}
2411 
2412 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
2413 	    &nxt);
2414 	if (rval != QLA_SUCCESS)
2415 		goto qla83xx_fw_dump_failed_0;
2416 
2417 copy_queue:
2418 	nxt = qla2xxx_copy_queues(ha, nxt);
2419 
2420 	qla24xx_copy_eft(ha, nxt);
2421 
2422 	/* Chain entries -- started with MQ. */
2423 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
2424 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
2425 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
2426 	nxt_chain = qla25xx_copy_exlogin(ha, nxt_chain, &last_chain);
2427 	nxt_chain = qla81xx_copy_exchoffld(ha, nxt_chain, &last_chain);
2428 	if (last_chain) {
2429 		ha->fw_dump->version |= htonl(DUMP_CHAIN_VARIANT);
2430 		*last_chain |= htonl(DUMP_CHAIN_LAST);
2431 	}
2432 
2433 	/* Adjust valid length. */
2434 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
2435 
2436 qla83xx_fw_dump_failed_0:
2437 	qla2xxx_dump_post_process(base_vha, rval);
2438 }
2439 
2440 /****************************************************************************/
2441 /*                         Driver Debug Functions.                          */
2442 /****************************************************************************/
2443 
2444 /* Write the debug message prefix into @pbuf. */
2445 static void ql_dbg_prefix(char *pbuf, int pbuf_size,
2446 			  const scsi_qla_host_t *vha, uint msg_id)
2447 {
2448 	if (vha) {
2449 		const struct pci_dev *pdev = vha->hw->pdev;
2450 
2451 		/* <module-name> [<dev-name>]-<msg-id>:<host>: */
2452 		snprintf(pbuf, pbuf_size, "%s [%s]-%04x:%lu: ", QL_MSGHDR,
2453 			 dev_name(&(pdev->dev)), msg_id, vha->host_no);
2454 	} else {
2455 		/* <module-name> [<dev-name>]-<msg-id>: : */
2456 		snprintf(pbuf, pbuf_size, "%s [%s]-%04x: : ", QL_MSGHDR,
2457 			 "0000:00:00.0", msg_id);
2458 	}
2459 }
2460 
2461 /*
2462  * This function is for formatting and logging debug information.
2463  * It is to be used when vha is available. It formats the message
2464  * and logs it to the messages file.
2465  * parameters:
2466  * level: The level of the debug messages to be printed.
2467  *        If ql2xextended_error_logging value is correctly set,
2468  *        this message will appear in the messages file.
2469  * vha:   Pointer to the scsi_qla_host_t.
2470  * id:    This is a unique identifier for the level. It identifies the
2471  *        part of the code from where the message originated.
2472  * msg:   The message to be displayed.
2473  */
2474 void
2475 ql_dbg(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
2476 {
2477 	va_list va;
2478 	struct va_format vaf;
2479 	char pbuf[64];
2480 
2481 	va_start(va, fmt);
2482 
2483 	vaf.fmt = fmt;
2484 	vaf.va = &va;
2485 
2486 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
2487 
2488 	if (!ql_mask_match(level))
2489 		trace_ql_dbg_log(pbuf, &vaf);
2490 	else
2491 		pr_warn("%s%pV", pbuf, &vaf);
2492 
2493 	va_end(va);
2494 
2495 }
2496 
2497 /*
2498  * This function is for formatting and logging debug information.
2499  * It is to be used when vha is not available and pci is available,
2500  * i.e., before host allocation. It formats the message and logs it
2501  * to the messages file.
2502  * parameters:
2503  * level: The level of the debug messages to be printed.
2504  *        If ql2xextended_error_logging value is correctly set,
2505  *        this message will appear in the messages file.
2506  * pdev:  Pointer to the struct pci_dev.
2507  * id:    This is a unique id for the level. It identifies the part
2508  *        of the code from where the message originated.
2509  * msg:   The message to be displayed.
2510  */
2511 void
2512 ql_dbg_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
2513 {
2514 	va_list va;
2515 	struct va_format vaf;
2516 	char pbuf[128];
2517 
2518 	if (pdev == NULL)
2519 		return;
2520 	if (!ql_mask_match(level))
2521 		return;
2522 
2523 	va_start(va, fmt);
2524 
2525 	vaf.fmt = fmt;
2526 	vaf.va = &va;
2527 
2528 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id + ql_dbg_offset);
2529 	pr_warn("%s%pV", pbuf, &vaf);
2530 
2531 	va_end(va);
2532 }
2533 
2534 /*
2535  * This function is for formatting and logging log messages.
2536  * It is to be used when vha is available. It formats the message
2537  * and logs it to the messages file. All the messages will be logged
2538  * irrespective of value of ql2xextended_error_logging.
2539  * parameters:
2540  * level: The level of the log messages to be printed in the
2541  *        messages file.
2542  * vha:   Pointer to the scsi_qla_host_t
2543  * id:    This is a unique id for the level. It identifies the
2544  *        part of the code from where the message originated.
2545  * msg:   The message to be displayed.
2546  */
2547 void
2548 ql_log(uint level, scsi_qla_host_t *vha, uint id, const char *fmt, ...)
2549 {
2550 	va_list va;
2551 	struct va_format vaf;
2552 	char pbuf[128];
2553 
2554 	if (level > ql_errlev)
2555 		return;
2556 
2557 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), vha, id);
2558 
2559 	va_start(va, fmt);
2560 
2561 	vaf.fmt = fmt;
2562 	vaf.va = &va;
2563 
2564 	switch (level) {
2565 	case ql_log_fatal: /* FATAL LOG */
2566 		pr_crit("%s%pV", pbuf, &vaf);
2567 		break;
2568 	case ql_log_warn:
2569 		pr_err("%s%pV", pbuf, &vaf);
2570 		break;
2571 	case ql_log_info:
2572 		pr_warn("%s%pV", pbuf, &vaf);
2573 		break;
2574 	default:
2575 		pr_info("%s%pV", pbuf, &vaf);
2576 		break;
2577 	}
2578 
2579 	va_end(va);
2580 }
2581 
2582 /*
2583  * This function is for formatting and logging log messages.
2584  * It is to be used when vha is not available and pci is available,
2585  * i.e., before host allocation. It formats the message and logs
2586  * it to the messages file. All the messages are logged irrespective
2587  * of the value of ql2xextended_error_logging.
2588  * parameters:
2589  * level: The level of the log messages to be printed in the
2590  *        messages file.
2591  * pdev:  Pointer to the struct pci_dev.
2592  * id:    This is a unique id for the level. It identifies the
2593  *        part of the code from where the message originated.
2594  * msg:   The message to be displayed.
2595  */
2596 void
2597 ql_log_pci(uint level, struct pci_dev *pdev, uint id, const char *fmt, ...)
2598 {
2599 	va_list va;
2600 	struct va_format vaf;
2601 	char pbuf[128];
2602 
2603 	if (pdev == NULL)
2604 		return;
2605 	if (level > ql_errlev)
2606 		return;
2607 
2608 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), NULL, id);
2609 
2610 	va_start(va, fmt);
2611 
2612 	vaf.fmt = fmt;
2613 	vaf.va = &va;
2614 
2615 	switch (level) {
2616 	case ql_log_fatal: /* FATAL LOG */
2617 		pr_crit("%s%pV", pbuf, &vaf);
2618 		break;
2619 	case ql_log_warn:
2620 		pr_err("%s%pV", pbuf, &vaf);
2621 		break;
2622 	case ql_log_info:
2623 		pr_warn("%s%pV", pbuf, &vaf);
2624 		break;
2625 	default:
2626 		pr_info("%s%pV", pbuf, &vaf);
2627 		break;
2628 	}
2629 
2630 	va_end(va);
2631 }
2632 
2633 void
2634 ql_dump_regs(uint level, scsi_qla_host_t *vha, uint id)
2635 {
2636 	int i;
2637 	struct qla_hw_data *ha = vha->hw;
2638 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2639 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2640 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
2641 	__le16 __iomem *mbx_reg;
2642 
2643 	if (!ql_mask_match(level))
2644 		return;
2645 
2646 	if (IS_P3P_TYPE(ha))
2647 		mbx_reg = &reg82->mailbox_in[0];
2648 	else if (IS_FWI2_CAPABLE(ha))
2649 		mbx_reg = &reg24->mailbox0;
2650 	else
2651 		mbx_reg = MAILBOX_REG(ha, reg, 0);
2652 
2653 	ql_dbg(level, vha, id, "Mailbox registers:\n");
2654 	for (i = 0; i < 6; i++, mbx_reg++)
2655 		ql_dbg(level, vha, id,
2656 		    "mbox[%d] %#04x\n", i, rd_reg_word(mbx_reg));
2657 }
2658 
2659 void
2660 ql_dump_buffer(uint level, scsi_qla_host_t *vha, uint id, const void *buf,
2661 	       uint size)
2662 {
2663 	uint cnt;
2664 
2665 	if (!ql_mask_match(level))
2666 		return;
2667 
2668 	ql_dbg(level, vha, id,
2669 	    "%-+5d  0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F\n", size);
2670 	ql_dbg(level, vha, id,
2671 	    "----- -----------------------------------------------\n");
2672 	for (cnt = 0; cnt < size; cnt += 16) {
2673 		ql_dbg(level, vha, id, "%04x: ", cnt);
2674 		print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
2675 			       buf + cnt, min(16U, size - cnt), false);
2676 	}
2677 }
2678 
2679 /*
2680  * This function is for formatting and logging log messages.
2681  * It is to be used when vha is available. It formats the message
2682  * and logs it to the messages file. All the messages will be logged
2683  * irrespective of value of ql2xextended_error_logging.
2684  * parameters:
2685  * level: The level of the log messages to be printed in the
2686  *        messages file.
2687  * vha:   Pointer to the scsi_qla_host_t
2688  * id:    This is a unique id for the level. It identifies the
2689  *        part of the code from where the message originated.
2690  * msg:   The message to be displayed.
2691  */
2692 void
2693 ql_log_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
2694     const char *fmt, ...)
2695 {
2696 	va_list va;
2697 	struct va_format vaf;
2698 	char pbuf[128];
2699 
2700 	if (level > ql_errlev)
2701 		return;
2702 
2703 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL, id);
2704 
2705 	va_start(va, fmt);
2706 
2707 	vaf.fmt = fmt;
2708 	vaf.va = &va;
2709 
2710 	switch (level) {
2711 	case ql_log_fatal: /* FATAL LOG */
2712 		pr_crit("%s%pV", pbuf, &vaf);
2713 		break;
2714 	case ql_log_warn:
2715 		pr_err("%s%pV", pbuf, &vaf);
2716 		break;
2717 	case ql_log_info:
2718 		pr_warn("%s%pV", pbuf, &vaf);
2719 		break;
2720 	default:
2721 		pr_info("%s%pV", pbuf, &vaf);
2722 		break;
2723 	}
2724 
2725 	va_end(va);
2726 }
2727 
2728 /*
2729  * This function is for formatting and logging debug information.
2730  * It is to be used when vha is available. It formats the message
2731  * and logs it to the messages file.
2732  * parameters:
2733  * level: The level of the debug messages to be printed.
2734  *        If ql2xextended_error_logging value is correctly set,
2735  *        this message will appear in the messages file.
2736  * vha:   Pointer to the scsi_qla_host_t.
2737  * id:    This is a unique identifier for the level. It identifies the
2738  *        part of the code from where the message originated.
2739  * msg:   The message to be displayed.
2740  */
2741 void
2742 ql_dbg_qp(uint32_t level, struct qla_qpair *qpair, int32_t id,
2743     const char *fmt, ...)
2744 {
2745 	va_list va;
2746 	struct va_format vaf;
2747 	char pbuf[128];
2748 
2749 	if (!ql_mask_match(level))
2750 		return;
2751 
2752 	va_start(va, fmt);
2753 
2754 	vaf.fmt = fmt;
2755 	vaf.va = &va;
2756 
2757 	ql_dbg_prefix(pbuf, ARRAY_SIZE(pbuf), qpair ? qpair->vha : NULL,
2758 		      id + ql_dbg_offset);
2759 	pr_warn("%s%pV", pbuf, &vaf);
2760 
2761 	va_end(va);
2762 
2763 }
2764