xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_dbg.c (revision 206204a1)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 
8 /*
9  * Table for showing the current message id in use for particular level
10  * Change this table for addition of log/debug messages.
11  * ----------------------------------------------------------------------
12  * |             Level            |   Last Value Used  |     Holes	|
13  * ----------------------------------------------------------------------
14  * | Module Init and Probe        |       0x017d       | 0x004b,0x0141	|
15  * |                              |                    | 0x0144,0x0146	|
16  * |                              |                    | 0x015b-0x0160	|
17  * |                              |                    | 0x016e-0x0170	|
18  * | Mailbox commands             |       0x118d       | 0x1018-0x1019	|
19  * |                              |                    | 0x10ca         |
20  * |                              |                    | 0x1115-0x1116  |
21  * |                              |                    | 0x111a-0x111b	|
22  * |                              |                    | 0x1155-0x1158  |
23  * | Device Discovery             |       0x2095       | 0x2020-0x2022, |
24  * |                              |                    | 0x2011-0x2012, |
25  * |                              |                    | 0x2016         |
26  * | Queue Command and IO tracing |       0x3059       | 0x3006-0x300b  |
27  * |                              |                    | 0x3027-0x3028  |
28  * |                              |                    | 0x303d-0x3041  |
29  * |                              |                    | 0x302d,0x3033  |
30  * |                              |                    | 0x3036,0x3038  |
31  * |                              |                    | 0x303a		|
32  * | DPC Thread                   |       0x4023       | 0x4002,0x4013  |
33  * | Async Events                 |       0x5087       | 0x502b-0x502f  |
34  * |                              |                    | 0x5047,0x5052  |
35  * |                              |                    | 0x5084,0x5075	|
36  * |                              |                    | 0x503d,0x5044  |
37  * |                              |                    | 0x507b		|
38  * | Timer Routines               |       0x6012       |                |
39  * | User Space Interactions      |       0x70e2       | 0x7018,0x702e  |
40  * |				  |		       | 0x7020,0x7024  |
41  * |                              |                    | 0x7039,0x7045  |
42  * |                              |                    | 0x7073-0x7075  |
43  * |                              |                    | 0x70a5-0x70a6  |
44  * |                              |                    | 0x70a8,0x70ab  |
45  * |                              |                    | 0x70ad-0x70ae  |
46  * |                              |                    | 0x70d7-0x70db  |
47  * |                              |                    | 0x70de-0x70df  |
48  * | Task Management              |       0x803d       | 0x8000,0x800b  |
49  * |                              |                    | 0x8019         |
50  * |                              |                    | 0x8025,0x8026  |
51  * |                              |                    | 0x8031,0x8032  |
52  * |                              |                    | 0x8039,0x803c  |
53  * | AER/EEH                      |       0x9011       |		|
54  * | Virtual Port                 |       0xa007       |		|
55  * | ISP82XX Specific             |       0xb157       | 0xb002,0xb024  |
56  * |                              |                    | 0xb09e,0xb0ae  |
57  * |				  |		       | 0xb0c3,0xb0c6  |
58  * |                              |                    | 0xb0e0-0xb0ef  |
59  * |                              |                    | 0xb085,0xb0dc  |
60  * |                              |                    | 0xb107,0xb108  |
61  * |                              |                    | 0xb111,0xb11e  |
62  * |                              |                    | 0xb12c,0xb12d  |
63  * |                              |                    | 0xb13a,0xb142  |
64  * |                              |                    | 0xb13c-0xb140  |
65  * |                              |                    | 0xb149		|
66  * | MultiQ                       |       0xc00c       |		|
67  * | Misc                         |       0xd212       | 0xd017-0xd019	|
68  * |                              |                    | 0xd020		|
69  * |                              |                    | 0xd030-0xd0ff	|
70  * |                              |                    | 0xd101-0xd1fe	|
71  * |                              |                    | 0xd213-0xd2fe	|
72  * | Target Mode		  |	  0xe078       |		|
73  * | Target Mode Management	  |	  0xf072       | 0xf002-0xf003	|
74  * |                              |                    | 0xf046-0xf049  |
75  * | Target Mode Task Management  |	  0x1000b      |		|
76  * ----------------------------------------------------------------------
77  */
78 
79 #include "qla_def.h"
80 
81 #include <linux/delay.h>
82 
83 static uint32_t ql_dbg_offset = 0x800;
84 
85 static inline void
86 qla2xxx_prep_dump(struct qla_hw_data *ha, struct qla2xxx_fw_dump *fw_dump)
87 {
88 	fw_dump->fw_major_version = htonl(ha->fw_major_version);
89 	fw_dump->fw_minor_version = htonl(ha->fw_minor_version);
90 	fw_dump->fw_subminor_version = htonl(ha->fw_subminor_version);
91 	fw_dump->fw_attributes = htonl(ha->fw_attributes);
92 
93 	fw_dump->vendor = htonl(ha->pdev->vendor);
94 	fw_dump->device = htonl(ha->pdev->device);
95 	fw_dump->subsystem_vendor = htonl(ha->pdev->subsystem_vendor);
96 	fw_dump->subsystem_device = htonl(ha->pdev->subsystem_device);
97 }
98 
99 static inline void *
100 qla2xxx_copy_queues(struct qla_hw_data *ha, void *ptr)
101 {
102 	struct req_que *req = ha->req_q_map[0];
103 	struct rsp_que *rsp = ha->rsp_q_map[0];
104 	/* Request queue. */
105 	memcpy(ptr, req->ring, req->length *
106 	    sizeof(request_t));
107 
108 	/* Response queue. */
109 	ptr += req->length * sizeof(request_t);
110 	memcpy(ptr, rsp->ring, rsp->length  *
111 	    sizeof(response_t));
112 
113 	return ptr + (rsp->length * sizeof(response_t));
114 }
115 
116 int
117 qla27xx_dump_mpi_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
118 	uint32_t ram_dwords, void **nxt)
119 {
120 	int rval;
121 	uint32_t cnt, stat, timer, dwords, idx;
122 	uint16_t mb0, mb1;
123 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
124 	dma_addr_t dump_dma = ha->gid_list_dma;
125 	uint32_t *dump = (uint32_t *)ha->gid_list;
126 
127 	rval = QLA_SUCCESS;
128 	mb0 = 0;
129 
130 	WRT_REG_WORD(&reg->mailbox0, MBC_LOAD_DUMP_MPI_RAM);
131 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
132 
133 	dwords = qla2x00_gid_list_size(ha) / 4;
134 	for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS;
135 	    cnt += dwords, addr += dwords) {
136 		if (cnt + dwords > ram_dwords)
137 			dwords = ram_dwords - cnt;
138 
139 		WRT_REG_WORD(&reg->mailbox1, LSW(addr));
140 		WRT_REG_WORD(&reg->mailbox8, MSW(addr));
141 
142 		WRT_REG_WORD(&reg->mailbox2, MSW(dump_dma));
143 		WRT_REG_WORD(&reg->mailbox3, LSW(dump_dma));
144 		WRT_REG_WORD(&reg->mailbox6, MSW(MSD(dump_dma)));
145 		WRT_REG_WORD(&reg->mailbox7, LSW(MSD(dump_dma)));
146 
147 		WRT_REG_WORD(&reg->mailbox4, MSW(dwords));
148 		WRT_REG_WORD(&reg->mailbox5, LSW(dwords));
149 
150 		WRT_REG_WORD(&reg->mailbox9, 0);
151 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
152 
153 		ha->flags.mbox_int = 0;
154 		for (timer = 6000000; timer; timer--) {
155 			/* Check for pending interrupts. */
156 			stat = RD_REG_DWORD(&reg->host_status);
157 			if (stat & HSRX_RISC_INT) {
158 				stat &= 0xff;
159 
160 				if (stat == 0x1 || stat == 0x2 ||
161 				    stat == 0x10 || stat == 0x11) {
162 					set_bit(MBX_INTERRUPT,
163 					    &ha->mbx_cmd_flags);
164 
165 					mb0 = RD_REG_WORD(&reg->mailbox0);
166 					mb1 = RD_REG_WORD(&reg->mailbox1);
167 
168 					WRT_REG_DWORD(&reg->hccr,
169 					    HCCRX_CLR_RISC_INT);
170 					RD_REG_DWORD(&reg->hccr);
171 					break;
172 				}
173 
174 				/* Clear this intr; it wasn't a mailbox intr */
175 				WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
176 				RD_REG_DWORD(&reg->hccr);
177 			}
178 			udelay(5);
179 		}
180 		ha->flags.mbox_int = 1;
181 
182 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
183 			rval = mb0 & MBS_MASK;
184 			for (idx = 0; idx < dwords; idx++)
185 				ram[cnt + idx] = IS_QLA27XX(ha) ?
186 				    le32_to_cpu(dump[idx]) : swab32(dump[idx]);
187 		} else {
188 			rval = QLA_FUNCTION_FAILED;
189 		}
190 	}
191 
192 	*nxt = rval == QLA_SUCCESS ? &ram[cnt] : NULL;
193 	return rval;
194 }
195 
196 int
197 qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram,
198     uint32_t ram_dwords, void **nxt)
199 {
200 	int rval;
201 	uint32_t cnt, stat, timer, dwords, idx;
202 	uint16_t mb0;
203 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
204 	dma_addr_t dump_dma = ha->gid_list_dma;
205 	uint32_t *dump = (uint32_t *)ha->gid_list;
206 
207 	rval = QLA_SUCCESS;
208 	mb0 = 0;
209 
210 	WRT_REG_WORD(&reg->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED);
211 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
212 
213 	dwords = qla2x00_gid_list_size(ha) / 4;
214 	for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS;
215 	    cnt += dwords, addr += dwords) {
216 		if (cnt + dwords > ram_dwords)
217 			dwords = ram_dwords - cnt;
218 
219 		WRT_REG_WORD(&reg->mailbox1, LSW(addr));
220 		WRT_REG_WORD(&reg->mailbox8, MSW(addr));
221 
222 		WRT_REG_WORD(&reg->mailbox2, MSW(dump_dma));
223 		WRT_REG_WORD(&reg->mailbox3, LSW(dump_dma));
224 		WRT_REG_WORD(&reg->mailbox6, MSW(MSD(dump_dma)));
225 		WRT_REG_WORD(&reg->mailbox7, LSW(MSD(dump_dma)));
226 
227 		WRT_REG_WORD(&reg->mailbox4, MSW(dwords));
228 		WRT_REG_WORD(&reg->mailbox5, LSW(dwords));
229 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
230 
231 		ha->flags.mbox_int = 0;
232 		for (timer = 6000000; timer; timer--) {
233 			/* Check for pending interrupts. */
234 			stat = RD_REG_DWORD(&reg->host_status);
235 			if (stat & HSRX_RISC_INT) {
236 				stat &= 0xff;
237 
238 				if (stat == 0x1 || stat == 0x2 ||
239 				    stat == 0x10 || stat == 0x11) {
240 					set_bit(MBX_INTERRUPT,
241 					    &ha->mbx_cmd_flags);
242 
243 					mb0 = RD_REG_WORD(&reg->mailbox0);
244 
245 					WRT_REG_DWORD(&reg->hccr,
246 					    HCCRX_CLR_RISC_INT);
247 					RD_REG_DWORD(&reg->hccr);
248 					break;
249 				}
250 
251 				/* Clear this intr; it wasn't a mailbox intr */
252 				WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
253 				RD_REG_DWORD(&reg->hccr);
254 			}
255 			udelay(5);
256 		}
257 		ha->flags.mbox_int = 1;
258 
259 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
260 			rval = mb0 & MBS_MASK;
261 			for (idx = 0; idx < dwords; idx++)
262 				ram[cnt + idx] = IS_QLA27XX(ha) ?
263 				    le32_to_cpu(dump[idx]) : swab32(dump[idx]);
264 		} else {
265 			rval = QLA_FUNCTION_FAILED;
266 		}
267 	}
268 
269 	*nxt = rval == QLA_SUCCESS ? &ram[cnt]: NULL;
270 	return rval;
271 }
272 
273 static int
274 qla24xx_dump_memory(struct qla_hw_data *ha, uint32_t *code_ram,
275     uint32_t cram_size, void **nxt)
276 {
277 	int rval;
278 
279 	/* Code RAM. */
280 	rval = qla24xx_dump_ram(ha, 0x20000, code_ram, cram_size / 4, nxt);
281 	if (rval != QLA_SUCCESS)
282 		return rval;
283 
284 	set_bit(RISC_SRAM_DUMP_CMPL, &ha->fw_dump_cap_flags);
285 
286 	/* External Memory. */
287 	rval = qla24xx_dump_ram(ha, 0x100000, *nxt,
288 	    ha->fw_memory_size - 0x100000 + 1, nxt);
289 	if (rval == QLA_SUCCESS)
290 		set_bit(RISC_EXT_MEM_DUMP_CMPL, &ha->fw_dump_cap_flags);
291 
292 	return rval;
293 }
294 
295 static uint32_t *
296 qla24xx_read_window(struct device_reg_24xx __iomem *reg, uint32_t iobase,
297     uint32_t count, uint32_t *buf)
298 {
299 	uint32_t __iomem *dmp_reg;
300 
301 	WRT_REG_DWORD(&reg->iobase_addr, iobase);
302 	dmp_reg = &reg->iobase_window;
303 	while (count--)
304 		*buf++ = htonl(RD_REG_DWORD(dmp_reg++));
305 
306 	return buf;
307 }
308 
309 void
310 qla24xx_pause_risc(struct device_reg_24xx __iomem *reg, struct qla_hw_data *ha)
311 {
312 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
313 
314 	/* 100 usec delay is sufficient enough for hardware to pause RISC */
315 	udelay(100);
316 	if (RD_REG_DWORD(&reg->host_status) & HSRX_RISC_PAUSED)
317 		set_bit(RISC_PAUSE_CMPL, &ha->fw_dump_cap_flags);
318 }
319 
320 int
321 qla24xx_soft_reset(struct qla_hw_data *ha)
322 {
323 	int rval = QLA_SUCCESS;
324 	uint32_t cnt;
325 	uint16_t wd;
326 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
327 
328 	/*
329 	 * Reset RISC. The delay is dependent on system architecture.
330 	 * Driver can proceed with the reset sequence after waiting
331 	 * for a timeout period.
332 	 */
333 	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
334 	for (cnt = 0; cnt < 30000; cnt++) {
335 		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
336 			break;
337 
338 		udelay(10);
339 	}
340 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
341 		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
342 
343 	WRT_REG_DWORD(&reg->ctrl_status,
344 	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
345 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
346 
347 	udelay(100);
348 
349 	/* Wait for soft-reset to complete. */
350 	for (cnt = 0; cnt < 30000; cnt++) {
351 		if ((RD_REG_DWORD(&reg->ctrl_status) &
352 		    CSRX_ISP_SOFT_RESET) == 0)
353 			break;
354 
355 		udelay(10);
356 	}
357 	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
358 		set_bit(ISP_RESET_CMPL, &ha->fw_dump_cap_flags);
359 
360 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
361 	RD_REG_DWORD(&reg->hccr);             /* PCI Posting. */
362 
363 	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
364 	    rval == QLA_SUCCESS; cnt--) {
365 		if (cnt)
366 			udelay(10);
367 		else
368 			rval = QLA_FUNCTION_TIMEOUT;
369 	}
370 	if (rval == QLA_SUCCESS)
371 		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
372 
373 	return rval;
374 }
375 
376 static int
377 qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram,
378     uint32_t ram_words, void **nxt)
379 {
380 	int rval;
381 	uint32_t cnt, stat, timer, words, idx;
382 	uint16_t mb0;
383 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
384 	dma_addr_t dump_dma = ha->gid_list_dma;
385 	uint16_t *dump = (uint16_t *)ha->gid_list;
386 
387 	rval = QLA_SUCCESS;
388 	mb0 = 0;
389 
390 	WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED);
391 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
392 
393 	words = qla2x00_gid_list_size(ha) / 2;
394 	for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS;
395 	    cnt += words, addr += words) {
396 		if (cnt + words > ram_words)
397 			words = ram_words - cnt;
398 
399 		WRT_MAILBOX_REG(ha, reg, 1, LSW(addr));
400 		WRT_MAILBOX_REG(ha, reg, 8, MSW(addr));
401 
402 		WRT_MAILBOX_REG(ha, reg, 2, MSW(dump_dma));
403 		WRT_MAILBOX_REG(ha, reg, 3, LSW(dump_dma));
404 		WRT_MAILBOX_REG(ha, reg, 6, MSW(MSD(dump_dma)));
405 		WRT_MAILBOX_REG(ha, reg, 7, LSW(MSD(dump_dma)));
406 
407 		WRT_MAILBOX_REG(ha, reg, 4, words);
408 		WRT_REG_WORD(&reg->hccr, HCCR_SET_HOST_INT);
409 
410 		for (timer = 6000000; timer; timer--) {
411 			/* Check for pending interrupts. */
412 			stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
413 			if (stat & HSR_RISC_INT) {
414 				stat &= 0xff;
415 
416 				if (stat == 0x1 || stat == 0x2) {
417 					set_bit(MBX_INTERRUPT,
418 					    &ha->mbx_cmd_flags);
419 
420 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
421 
422 					/* Release mailbox registers. */
423 					WRT_REG_WORD(&reg->semaphore, 0);
424 					WRT_REG_WORD(&reg->hccr,
425 					    HCCR_CLR_RISC_INT);
426 					RD_REG_WORD(&reg->hccr);
427 					break;
428 				} else if (stat == 0x10 || stat == 0x11) {
429 					set_bit(MBX_INTERRUPT,
430 					    &ha->mbx_cmd_flags);
431 
432 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
433 
434 					WRT_REG_WORD(&reg->hccr,
435 					    HCCR_CLR_RISC_INT);
436 					RD_REG_WORD(&reg->hccr);
437 					break;
438 				}
439 
440 				/* clear this intr; it wasn't a mailbox intr */
441 				WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
442 				RD_REG_WORD(&reg->hccr);
443 			}
444 			udelay(5);
445 		}
446 
447 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
448 			rval = mb0 & MBS_MASK;
449 			for (idx = 0; idx < words; idx++)
450 				ram[cnt + idx] = swab16(dump[idx]);
451 		} else {
452 			rval = QLA_FUNCTION_FAILED;
453 		}
454 	}
455 
456 	*nxt = rval == QLA_SUCCESS ? &ram[cnt]: NULL;
457 	return rval;
458 }
459 
460 static inline void
461 qla2xxx_read_window(struct device_reg_2xxx __iomem *reg, uint32_t count,
462     uint16_t *buf)
463 {
464 	uint16_t __iomem *dmp_reg = &reg->u.isp2300.fb_cmd;
465 
466 	while (count--)
467 		*buf++ = htons(RD_REG_WORD(dmp_reg++));
468 }
469 
470 static inline void *
471 qla24xx_copy_eft(struct qla_hw_data *ha, void *ptr)
472 {
473 	if (!ha->eft)
474 		return ptr;
475 
476 	memcpy(ptr, ha->eft, ntohl(ha->fw_dump->eft_size));
477 	return ptr + ntohl(ha->fw_dump->eft_size);
478 }
479 
480 static inline void *
481 qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
482 {
483 	uint32_t cnt;
484 	uint32_t *iter_reg;
485 	struct qla2xxx_fce_chain *fcec = ptr;
486 
487 	if (!ha->fce)
488 		return ptr;
489 
490 	*last_chain = &fcec->type;
491 	fcec->type = __constant_htonl(DUMP_CHAIN_FCE);
492 	fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) +
493 	    fce_calc_size(ha->fce_bufs));
494 	fcec->size = htonl(fce_calc_size(ha->fce_bufs));
495 	fcec->addr_l = htonl(LSD(ha->fce_dma));
496 	fcec->addr_h = htonl(MSD(ha->fce_dma));
497 
498 	iter_reg = fcec->eregs;
499 	for (cnt = 0; cnt < 8; cnt++)
500 		*iter_reg++ = htonl(ha->fce_mb[cnt]);
501 
502 	memcpy(iter_reg, ha->fce, ntohl(fcec->size));
503 
504 	return (char *)iter_reg + ntohl(fcec->size);
505 }
506 
507 static inline void *
508 qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
509 	uint32_t **last_chain)
510 {
511 	struct qla2xxx_mqueue_chain *q;
512 	struct qla2xxx_mqueue_header *qh;
513 	uint32_t num_queues;
514 	int que;
515 	struct {
516 		int length;
517 		void *ring;
518 	} aq, *aqp;
519 
520 	if (!ha->tgt.atio_ring)
521 		return ptr;
522 
523 	num_queues = 1;
524 	aqp = &aq;
525 	aqp->length = ha->tgt.atio_q_length;
526 	aqp->ring = ha->tgt.atio_ring;
527 
528 	for (que = 0; que < num_queues; que++) {
529 		/* aqp = ha->atio_q_map[que]; */
530 		q = ptr;
531 		*last_chain = &q->type;
532 		q->type = __constant_htonl(DUMP_CHAIN_QUEUE);
533 		q->chain_size = htonl(
534 		    sizeof(struct qla2xxx_mqueue_chain) +
535 		    sizeof(struct qla2xxx_mqueue_header) +
536 		    (aqp->length * sizeof(request_t)));
537 		ptr += sizeof(struct qla2xxx_mqueue_chain);
538 
539 		/* Add header. */
540 		qh = ptr;
541 		qh->queue = __constant_htonl(TYPE_ATIO_QUEUE);
542 		qh->number = htonl(que);
543 		qh->size = htonl(aqp->length * sizeof(request_t));
544 		ptr += sizeof(struct qla2xxx_mqueue_header);
545 
546 		/* Add data. */
547 		memcpy(ptr, aqp->ring, aqp->length * sizeof(request_t));
548 
549 		ptr += aqp->length * sizeof(request_t);
550 	}
551 
552 	return ptr;
553 }
554 
555 static inline void *
556 qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
557 {
558 	struct qla2xxx_mqueue_chain *q;
559 	struct qla2xxx_mqueue_header *qh;
560 	struct req_que *req;
561 	struct rsp_que *rsp;
562 	int que;
563 
564 	if (!ha->mqenable)
565 		return ptr;
566 
567 	/* Request queues */
568 	for (que = 1; que < ha->max_req_queues; que++) {
569 		req = ha->req_q_map[que];
570 		if (!req)
571 			break;
572 
573 		/* Add chain. */
574 		q = ptr;
575 		*last_chain = &q->type;
576 		q->type = __constant_htonl(DUMP_CHAIN_QUEUE);
577 		q->chain_size = htonl(
578 		    sizeof(struct qla2xxx_mqueue_chain) +
579 		    sizeof(struct qla2xxx_mqueue_header) +
580 		    (req->length * sizeof(request_t)));
581 		ptr += sizeof(struct qla2xxx_mqueue_chain);
582 
583 		/* Add header. */
584 		qh = ptr;
585 		qh->queue = __constant_htonl(TYPE_REQUEST_QUEUE);
586 		qh->number = htonl(que);
587 		qh->size = htonl(req->length * sizeof(request_t));
588 		ptr += sizeof(struct qla2xxx_mqueue_header);
589 
590 		/* Add data. */
591 		memcpy(ptr, req->ring, req->length * sizeof(request_t));
592 		ptr += req->length * sizeof(request_t);
593 	}
594 
595 	/* Response queues */
596 	for (que = 1; que < ha->max_rsp_queues; que++) {
597 		rsp = ha->rsp_q_map[que];
598 		if (!rsp)
599 			break;
600 
601 		/* Add chain. */
602 		q = ptr;
603 		*last_chain = &q->type;
604 		q->type = __constant_htonl(DUMP_CHAIN_QUEUE);
605 		q->chain_size = htonl(
606 		    sizeof(struct qla2xxx_mqueue_chain) +
607 		    sizeof(struct qla2xxx_mqueue_header) +
608 		    (rsp->length * sizeof(response_t)));
609 		ptr += sizeof(struct qla2xxx_mqueue_chain);
610 
611 		/* Add header. */
612 		qh = ptr;
613 		qh->queue = __constant_htonl(TYPE_RESPONSE_QUEUE);
614 		qh->number = htonl(que);
615 		qh->size = htonl(rsp->length * sizeof(response_t));
616 		ptr += sizeof(struct qla2xxx_mqueue_header);
617 
618 		/* Add data. */
619 		memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t));
620 		ptr += rsp->length * sizeof(response_t);
621 	}
622 
623 	return ptr;
624 }
625 
626 static inline void *
627 qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
628 {
629 	uint32_t cnt, que_idx;
630 	uint8_t que_cnt;
631 	struct qla2xxx_mq_chain *mq = ptr;
632 	device_reg_t __iomem *reg;
633 
634 	if (!ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
635 		return ptr;
636 
637 	mq = ptr;
638 	*last_chain = &mq->type;
639 	mq->type = __constant_htonl(DUMP_CHAIN_MQ);
640 	mq->chain_size = __constant_htonl(sizeof(struct qla2xxx_mq_chain));
641 
642 	que_cnt = ha->max_req_queues > ha->max_rsp_queues ?
643 		ha->max_req_queues : ha->max_rsp_queues;
644 	mq->count = htonl(que_cnt);
645 	for (cnt = 0; cnt < que_cnt; cnt++) {
646 		reg = ISP_QUE_REG(ha, cnt);
647 		que_idx = cnt * 4;
648 		mq->qregs[que_idx] =
649 		    htonl(RD_REG_DWORD(&reg->isp25mq.req_q_in));
650 		mq->qregs[que_idx+1] =
651 		    htonl(RD_REG_DWORD(&reg->isp25mq.req_q_out));
652 		mq->qregs[que_idx+2] =
653 		    htonl(RD_REG_DWORD(&reg->isp25mq.rsp_q_in));
654 		mq->qregs[que_idx+3] =
655 		    htonl(RD_REG_DWORD(&reg->isp25mq.rsp_q_out));
656 	}
657 
658 	return ptr + sizeof(struct qla2xxx_mq_chain);
659 }
660 
661 void
662 qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
663 {
664 	struct qla_hw_data *ha = vha->hw;
665 
666 	if (rval != QLA_SUCCESS) {
667 		ql_log(ql_log_warn, vha, 0xd000,
668 		    "Failed to dump firmware (%x), dump status flags (0x%lx).\n",
669 		    rval, ha->fw_dump_cap_flags);
670 		ha->fw_dumped = 0;
671 	} else {
672 		ql_log(ql_log_info, vha, 0xd001,
673 		    "Firmware dump saved to temp buffer (%ld/%p), dump status flags (0x%lx).\n",
674 		    vha->host_no, ha->fw_dump, ha->fw_dump_cap_flags);
675 		ha->fw_dumped = 1;
676 		qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
677 	}
678 }
679 
680 /**
681  * qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
682  * @ha: HA context
683  * @hardware_locked: Called with the hardware_lock
684  */
685 void
686 qla2300_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
687 {
688 	int		rval;
689 	uint32_t	cnt;
690 	struct qla_hw_data *ha = vha->hw;
691 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
692 	uint16_t __iomem *dmp_reg;
693 	unsigned long	flags;
694 	struct qla2300_fw_dump	*fw;
695 	void		*nxt;
696 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
697 
698 	flags = 0;
699 
700 	if (!hardware_locked)
701 		spin_lock_irqsave(&ha->hardware_lock, flags);
702 
703 	if (!ha->fw_dump) {
704 		ql_log(ql_log_warn, vha, 0xd002,
705 		    "No buffer available for dump.\n");
706 		goto qla2300_fw_dump_failed;
707 	}
708 
709 	if (ha->fw_dumped) {
710 		ql_log(ql_log_warn, vha, 0xd003,
711 		    "Firmware has been previously dumped (%p) "
712 		    "-- ignoring request.\n",
713 		    ha->fw_dump);
714 		goto qla2300_fw_dump_failed;
715 	}
716 	fw = &ha->fw_dump->isp.isp23;
717 	qla2xxx_prep_dump(ha, ha->fw_dump);
718 
719 	rval = QLA_SUCCESS;
720 	fw->hccr = htons(RD_REG_WORD(&reg->hccr));
721 
722 	/* Pause RISC. */
723 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
724 	if (IS_QLA2300(ha)) {
725 		for (cnt = 30000;
726 		    (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
727 			rval == QLA_SUCCESS; cnt--) {
728 			if (cnt)
729 				udelay(100);
730 			else
731 				rval = QLA_FUNCTION_TIMEOUT;
732 		}
733 	} else {
734 		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
735 		udelay(10);
736 	}
737 
738 	if (rval == QLA_SUCCESS) {
739 		dmp_reg = &reg->flash_address;
740 		for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
741 			fw->pbiu_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
742 
743 		dmp_reg = &reg->u.isp2300.req_q_in;
744 		for (cnt = 0; cnt < sizeof(fw->risc_host_reg) / 2; cnt++)
745 			fw->risc_host_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
746 
747 		dmp_reg = &reg->u.isp2300.mailbox0;
748 		for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
749 			fw->mailbox_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
750 
751 		WRT_REG_WORD(&reg->ctrl_status, 0x40);
752 		qla2xxx_read_window(reg, 32, fw->resp_dma_reg);
753 
754 		WRT_REG_WORD(&reg->ctrl_status, 0x50);
755 		qla2xxx_read_window(reg, 48, fw->dma_reg);
756 
757 		WRT_REG_WORD(&reg->ctrl_status, 0x00);
758 		dmp_reg = &reg->risc_hw;
759 		for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
760 			fw->risc_hdw_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
761 
762 		WRT_REG_WORD(&reg->pcr, 0x2000);
763 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
764 
765 		WRT_REG_WORD(&reg->pcr, 0x2200);
766 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
767 
768 		WRT_REG_WORD(&reg->pcr, 0x2400);
769 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
770 
771 		WRT_REG_WORD(&reg->pcr, 0x2600);
772 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
773 
774 		WRT_REG_WORD(&reg->pcr, 0x2800);
775 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
776 
777 		WRT_REG_WORD(&reg->pcr, 0x2A00);
778 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
779 
780 		WRT_REG_WORD(&reg->pcr, 0x2C00);
781 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
782 
783 		WRT_REG_WORD(&reg->pcr, 0x2E00);
784 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
785 
786 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
787 		qla2xxx_read_window(reg, 64, fw->frame_buf_hdw_reg);
788 
789 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
790 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
791 
792 		WRT_REG_WORD(&reg->ctrl_status, 0x30);
793 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
794 
795 		/* Reset RISC. */
796 		WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
797 		for (cnt = 0; cnt < 30000; cnt++) {
798 			if ((RD_REG_WORD(&reg->ctrl_status) &
799 			    CSR_ISP_SOFT_RESET) == 0)
800 				break;
801 
802 			udelay(10);
803 		}
804 	}
805 
806 	if (!IS_QLA2300(ha)) {
807 		for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
808 		    rval == QLA_SUCCESS; cnt--) {
809 			if (cnt)
810 				udelay(100);
811 			else
812 				rval = QLA_FUNCTION_TIMEOUT;
813 		}
814 	}
815 
816 	/* Get RISC SRAM. */
817 	if (rval == QLA_SUCCESS)
818 		rval = qla2xxx_dump_ram(ha, 0x800, fw->risc_ram,
819 		    sizeof(fw->risc_ram) / 2, &nxt);
820 
821 	/* Get stack SRAM. */
822 	if (rval == QLA_SUCCESS)
823 		rval = qla2xxx_dump_ram(ha, 0x10000, fw->stack_ram,
824 		    sizeof(fw->stack_ram) / 2, &nxt);
825 
826 	/* Get data SRAM. */
827 	if (rval == QLA_SUCCESS)
828 		rval = qla2xxx_dump_ram(ha, 0x11000, fw->data_ram,
829 		    ha->fw_memory_size - 0x11000 + 1, &nxt);
830 
831 	if (rval == QLA_SUCCESS)
832 		qla2xxx_copy_queues(ha, nxt);
833 
834 	qla2xxx_dump_post_process(base_vha, rval);
835 
836 qla2300_fw_dump_failed:
837 	if (!hardware_locked)
838 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
839 }
840 
841 /**
842  * qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
843  * @ha: HA context
844  * @hardware_locked: Called with the hardware_lock
845  */
846 void
847 qla2100_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
848 {
849 	int		rval;
850 	uint32_t	cnt, timer;
851 	uint16_t	risc_address;
852 	uint16_t	mb0, mb2;
853 	struct qla_hw_data *ha = vha->hw;
854 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
855 	uint16_t __iomem *dmp_reg;
856 	unsigned long	flags;
857 	struct qla2100_fw_dump	*fw;
858 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
859 
860 	risc_address = 0;
861 	mb0 = mb2 = 0;
862 	flags = 0;
863 
864 	if (!hardware_locked)
865 		spin_lock_irqsave(&ha->hardware_lock, flags);
866 
867 	if (!ha->fw_dump) {
868 		ql_log(ql_log_warn, vha, 0xd004,
869 		    "No buffer available for dump.\n");
870 		goto qla2100_fw_dump_failed;
871 	}
872 
873 	if (ha->fw_dumped) {
874 		ql_log(ql_log_warn, vha, 0xd005,
875 		    "Firmware has been previously dumped (%p) "
876 		    "-- ignoring request.\n",
877 		    ha->fw_dump);
878 		goto qla2100_fw_dump_failed;
879 	}
880 	fw = &ha->fw_dump->isp.isp21;
881 	qla2xxx_prep_dump(ha, ha->fw_dump);
882 
883 	rval = QLA_SUCCESS;
884 	fw->hccr = htons(RD_REG_WORD(&reg->hccr));
885 
886 	/* Pause RISC. */
887 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
888 	for (cnt = 30000; (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
889 	    rval == QLA_SUCCESS; cnt--) {
890 		if (cnt)
891 			udelay(100);
892 		else
893 			rval = QLA_FUNCTION_TIMEOUT;
894 	}
895 	if (rval == QLA_SUCCESS) {
896 		dmp_reg = &reg->flash_address;
897 		for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
898 			fw->pbiu_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
899 
900 		dmp_reg = &reg->u.isp2100.mailbox0;
901 		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
902 			if (cnt == 8)
903 				dmp_reg = &reg->u_end.isp2200.mailbox8;
904 
905 			fw->mailbox_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
906 		}
907 
908 		dmp_reg = &reg->u.isp2100.unused_2[0];
909 		for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
910 			fw->dma_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
911 
912 		WRT_REG_WORD(&reg->ctrl_status, 0x00);
913 		dmp_reg = &reg->risc_hw;
914 		for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
915 			fw->risc_hdw_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
916 
917 		WRT_REG_WORD(&reg->pcr, 0x2000);
918 		qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
919 
920 		WRT_REG_WORD(&reg->pcr, 0x2100);
921 		qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
922 
923 		WRT_REG_WORD(&reg->pcr, 0x2200);
924 		qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
925 
926 		WRT_REG_WORD(&reg->pcr, 0x2300);
927 		qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
928 
929 		WRT_REG_WORD(&reg->pcr, 0x2400);
930 		qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
931 
932 		WRT_REG_WORD(&reg->pcr, 0x2500);
933 		qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
934 
935 		WRT_REG_WORD(&reg->pcr, 0x2600);
936 		qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
937 
938 		WRT_REG_WORD(&reg->pcr, 0x2700);
939 		qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
940 
941 		WRT_REG_WORD(&reg->ctrl_status, 0x10);
942 		qla2xxx_read_window(reg, 16, fw->frame_buf_hdw_reg);
943 
944 		WRT_REG_WORD(&reg->ctrl_status, 0x20);
945 		qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
946 
947 		WRT_REG_WORD(&reg->ctrl_status, 0x30);
948 		qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
949 
950 		/* Reset the ISP. */
951 		WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
952 	}
953 
954 	for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
955 	    rval == QLA_SUCCESS; cnt--) {
956 		if (cnt)
957 			udelay(100);
958 		else
959 			rval = QLA_FUNCTION_TIMEOUT;
960 	}
961 
962 	/* Pause RISC. */
963 	if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
964 	    (RD_REG_WORD(&reg->mctr) & (BIT_1 | BIT_0)) != 0))) {
965 
966 		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
967 		for (cnt = 30000;
968 		    (RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0 &&
969 		    rval == QLA_SUCCESS; cnt--) {
970 			if (cnt)
971 				udelay(100);
972 			else
973 				rval = QLA_FUNCTION_TIMEOUT;
974 		}
975 		if (rval == QLA_SUCCESS) {
976 			/* Set memory configuration and timing. */
977 			if (IS_QLA2100(ha))
978 				WRT_REG_WORD(&reg->mctr, 0xf1);
979 			else
980 				WRT_REG_WORD(&reg->mctr, 0xf2);
981 			RD_REG_WORD(&reg->mctr);	/* PCI Posting. */
982 
983 			/* Release RISC. */
984 			WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
985 		}
986 	}
987 
988 	if (rval == QLA_SUCCESS) {
989 		/* Get RISC SRAM. */
990 		risc_address = 0x1000;
991  		WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
992 		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
993 	}
994 	for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
995 	    cnt++, risc_address++) {
996  		WRT_MAILBOX_REG(ha, reg, 1, risc_address);
997 		WRT_REG_WORD(&reg->hccr, HCCR_SET_HOST_INT);
998 
999 		for (timer = 6000000; timer != 0; timer--) {
1000 			/* Check for pending interrupts. */
1001 			if (RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) {
1002 				if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
1003 					set_bit(MBX_INTERRUPT,
1004 					    &ha->mbx_cmd_flags);
1005 
1006 					mb0 = RD_MAILBOX_REG(ha, reg, 0);
1007 					mb2 = RD_MAILBOX_REG(ha, reg, 2);
1008 
1009 					WRT_REG_WORD(&reg->semaphore, 0);
1010 					WRT_REG_WORD(&reg->hccr,
1011 					    HCCR_CLR_RISC_INT);
1012 					RD_REG_WORD(&reg->hccr);
1013 					break;
1014 				}
1015 				WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1016 				RD_REG_WORD(&reg->hccr);
1017 			}
1018 			udelay(5);
1019 		}
1020 
1021 		if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
1022 			rval = mb0 & MBS_MASK;
1023 			fw->risc_ram[cnt] = htons(mb2);
1024 		} else {
1025 			rval = QLA_FUNCTION_FAILED;
1026 		}
1027 	}
1028 
1029 	if (rval == QLA_SUCCESS)
1030 		qla2xxx_copy_queues(ha, &fw->risc_ram[cnt]);
1031 
1032 	qla2xxx_dump_post_process(base_vha, rval);
1033 
1034 qla2100_fw_dump_failed:
1035 	if (!hardware_locked)
1036 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1037 }
1038 
1039 void
1040 qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1041 {
1042 	int		rval;
1043 	uint32_t	cnt;
1044 	uint32_t	risc_address;
1045 	struct qla_hw_data *ha = vha->hw;
1046 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1047 	uint32_t __iomem *dmp_reg;
1048 	uint32_t	*iter_reg;
1049 	uint16_t __iomem *mbx_reg;
1050 	unsigned long	flags;
1051 	struct qla24xx_fw_dump *fw;
1052 	uint32_t	ext_mem_cnt;
1053 	void		*nxt;
1054 	void		*nxt_chain;
1055 	uint32_t	*last_chain = NULL;
1056 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1057 
1058 	if (IS_P3P_TYPE(ha))
1059 		return;
1060 
1061 	risc_address = ext_mem_cnt = 0;
1062 	flags = 0;
1063 	ha->fw_dump_cap_flags = 0;
1064 
1065 	if (!hardware_locked)
1066 		spin_lock_irqsave(&ha->hardware_lock, flags);
1067 
1068 	if (!ha->fw_dump) {
1069 		ql_log(ql_log_warn, vha, 0xd006,
1070 		    "No buffer available for dump.\n");
1071 		goto qla24xx_fw_dump_failed;
1072 	}
1073 
1074 	if (ha->fw_dumped) {
1075 		ql_log(ql_log_warn, vha, 0xd007,
1076 		    "Firmware has been previously dumped (%p) "
1077 		    "-- ignoring request.\n",
1078 		    ha->fw_dump);
1079 		goto qla24xx_fw_dump_failed;
1080 	}
1081 	fw = &ha->fw_dump->isp.isp24;
1082 	qla2xxx_prep_dump(ha, ha->fw_dump);
1083 
1084 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1085 
1086 	/*
1087 	 * Pause RISC. No need to track timeout, as resetting the chip
1088 	 * is the right approach incase of pause timeout
1089 	 */
1090 	qla24xx_pause_risc(reg, ha);
1091 
1092 	/* Host interface registers. */
1093 	dmp_reg = &reg->flash_addr;
1094 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1095 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1096 
1097 	/* Disable interrupts. */
1098 	WRT_REG_DWORD(&reg->ictrl, 0);
1099 	RD_REG_DWORD(&reg->ictrl);
1100 
1101 	/* Shadow registers. */
1102 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1103 	RD_REG_DWORD(&reg->iobase_addr);
1104 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1105 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1106 
1107 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1108 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1109 
1110 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1111 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1112 
1113 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1114 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1115 
1116 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1117 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1118 
1119 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1120 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1121 
1122 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1123 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1124 
1125 	/* Mailbox registers. */
1126 	mbx_reg = &reg->mailbox0;
1127 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1128 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1129 
1130 	/* Transfer sequence registers. */
1131 	iter_reg = fw->xseq_gp_reg;
1132 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1133 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1134 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1135 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1136 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1137 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1138 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1139 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1140 
1141 	qla24xx_read_window(reg, 0xBFE0, 16, fw->xseq_0_reg);
1142 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1143 
1144 	/* Receive sequence registers. */
1145 	iter_reg = fw->rseq_gp_reg;
1146 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1147 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1148 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1149 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1150 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1151 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1152 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1153 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1154 
1155 	qla24xx_read_window(reg, 0xFFD0, 16, fw->rseq_0_reg);
1156 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1157 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1158 
1159 	/* Command DMA registers. */
1160 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1161 
1162 	/* Queues. */
1163 	iter_reg = fw->req0_dma_reg;
1164 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1165 	dmp_reg = &reg->iobase_q;
1166 	for (cnt = 0; cnt < 7; cnt++)
1167 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1168 
1169 	iter_reg = fw->resp0_dma_reg;
1170 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1171 	dmp_reg = &reg->iobase_q;
1172 	for (cnt = 0; cnt < 7; cnt++)
1173 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1174 
1175 	iter_reg = fw->req1_dma_reg;
1176 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1177 	dmp_reg = &reg->iobase_q;
1178 	for (cnt = 0; cnt < 7; cnt++)
1179 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1180 
1181 	/* Transmit DMA registers. */
1182 	iter_reg = fw->xmt0_dma_reg;
1183 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1184 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1185 
1186 	iter_reg = fw->xmt1_dma_reg;
1187 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1188 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1189 
1190 	iter_reg = fw->xmt2_dma_reg;
1191 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1192 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1193 
1194 	iter_reg = fw->xmt3_dma_reg;
1195 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1196 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1197 
1198 	iter_reg = fw->xmt4_dma_reg;
1199 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1200 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1201 
1202 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1203 
1204 	/* Receive DMA registers. */
1205 	iter_reg = fw->rcvt0_data_dma_reg;
1206 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1207 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1208 
1209 	iter_reg = fw->rcvt1_data_dma_reg;
1210 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1211 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1212 
1213 	/* RISC registers. */
1214 	iter_reg = fw->risc_gp_reg;
1215 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1216 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1217 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1218 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1219 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1220 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1221 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1222 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1223 
1224 	/* Local memory controller registers. */
1225 	iter_reg = fw->lmc_reg;
1226 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1227 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1228 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1229 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1230 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1231 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1232 	qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1233 
1234 	/* Fibre Protocol Module registers. */
1235 	iter_reg = fw->fpm_hdw_reg;
1236 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1237 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1238 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1239 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1240 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1241 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1242 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1243 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1244 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1245 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1246 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1247 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1248 
1249 	/* Frame Buffer registers. */
1250 	iter_reg = fw->fb_hdw_reg;
1251 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1252 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1253 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1254 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1255 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1256 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1257 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1258 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1259 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1260 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1261 	qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1262 
1263 	rval = qla24xx_soft_reset(ha);
1264 	if (rval != QLA_SUCCESS)
1265 		goto qla24xx_fw_dump_failed_0;
1266 
1267 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1268 	    &nxt);
1269 	if (rval != QLA_SUCCESS)
1270 		goto qla24xx_fw_dump_failed_0;
1271 
1272 	nxt = qla2xxx_copy_queues(ha, nxt);
1273 
1274 	qla24xx_copy_eft(ha, nxt);
1275 
1276 	nxt_chain = (void *)ha->fw_dump + ha->chain_offset;
1277 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1278 	if (last_chain) {
1279 		ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
1280 		*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
1281 	}
1282 
1283 	/* Adjust valid length. */
1284 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1285 
1286 qla24xx_fw_dump_failed_0:
1287 	qla2xxx_dump_post_process(base_vha, rval);
1288 
1289 qla24xx_fw_dump_failed:
1290 	if (!hardware_locked)
1291 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1292 }
1293 
1294 void
1295 qla25xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1296 {
1297 	int		rval;
1298 	uint32_t	cnt;
1299 	uint32_t	risc_address;
1300 	struct qla_hw_data *ha = vha->hw;
1301 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1302 	uint32_t __iomem *dmp_reg;
1303 	uint32_t	*iter_reg;
1304 	uint16_t __iomem *mbx_reg;
1305 	unsigned long	flags;
1306 	struct qla25xx_fw_dump *fw;
1307 	uint32_t	ext_mem_cnt;
1308 	void		*nxt, *nxt_chain;
1309 	uint32_t	*last_chain = NULL;
1310 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1311 
1312 	risc_address = ext_mem_cnt = 0;
1313 	flags = 0;
1314 	ha->fw_dump_cap_flags = 0;
1315 
1316 	if (!hardware_locked)
1317 		spin_lock_irqsave(&ha->hardware_lock, flags);
1318 
1319 	if (!ha->fw_dump) {
1320 		ql_log(ql_log_warn, vha, 0xd008,
1321 		    "No buffer available for dump.\n");
1322 		goto qla25xx_fw_dump_failed;
1323 	}
1324 
1325 	if (ha->fw_dumped) {
1326 		ql_log(ql_log_warn, vha, 0xd009,
1327 		    "Firmware has been previously dumped (%p) "
1328 		    "-- ignoring request.\n",
1329 		    ha->fw_dump);
1330 		goto qla25xx_fw_dump_failed;
1331 	}
1332 	fw = &ha->fw_dump->isp.isp25;
1333 	qla2xxx_prep_dump(ha, ha->fw_dump);
1334 	ha->fw_dump->version = __constant_htonl(2);
1335 
1336 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1337 
1338 	/*
1339 	 * Pause RISC. No need to track timeout, as resetting the chip
1340 	 * is the right approach incase of pause timeout
1341 	 */
1342 	qla24xx_pause_risc(reg, ha);
1343 
1344 	/* Host/Risc registers. */
1345 	iter_reg = fw->host_risc_reg;
1346 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1347 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1348 
1349 	/* PCIe registers. */
1350 	WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
1351 	RD_REG_DWORD(&reg->iobase_addr);
1352 	WRT_REG_DWORD(&reg->iobase_window, 0x01);
1353 	dmp_reg = &reg->iobase_c4;
1354 	fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++));
1355 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
1356 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
1357 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
1358 
1359 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
1360 	RD_REG_DWORD(&reg->iobase_window);
1361 
1362 	/* Host interface registers. */
1363 	dmp_reg = &reg->flash_addr;
1364 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1365 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1366 
1367 	/* Disable interrupts. */
1368 	WRT_REG_DWORD(&reg->ictrl, 0);
1369 	RD_REG_DWORD(&reg->ictrl);
1370 
1371 	/* Shadow registers. */
1372 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1373 	RD_REG_DWORD(&reg->iobase_addr);
1374 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1375 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1376 
1377 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1378 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1379 
1380 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1381 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1382 
1383 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1384 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1385 
1386 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1387 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1388 
1389 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1390 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1391 
1392 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1393 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1394 
1395 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
1396 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1397 
1398 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
1399 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1400 
1401 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
1402 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1403 
1404 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
1405 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1406 
1407 	/* RISC I/O register. */
1408 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
1409 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
1410 
1411 	/* Mailbox registers. */
1412 	mbx_reg = &reg->mailbox0;
1413 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1414 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1415 
1416 	/* Transfer sequence registers. */
1417 	iter_reg = fw->xseq_gp_reg;
1418 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1419 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1420 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1421 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1422 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1423 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1424 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1425 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1426 
1427 	iter_reg = fw->xseq_0_reg;
1428 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1429 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1430 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1431 
1432 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1433 
1434 	/* Receive sequence registers. */
1435 	iter_reg = fw->rseq_gp_reg;
1436 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1437 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1438 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1439 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1440 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1441 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1442 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1443 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1444 
1445 	iter_reg = fw->rseq_0_reg;
1446 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1447 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1448 
1449 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1450 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1451 
1452 	/* Auxiliary sequence registers. */
1453 	iter_reg = fw->aseq_gp_reg;
1454 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1455 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1456 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1457 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1458 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1459 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1460 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1461 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1462 
1463 	iter_reg = fw->aseq_0_reg;
1464 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1465 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1466 
1467 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1468 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1469 
1470 	/* Command DMA registers. */
1471 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1472 
1473 	/* Queues. */
1474 	iter_reg = fw->req0_dma_reg;
1475 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1476 	dmp_reg = &reg->iobase_q;
1477 	for (cnt = 0; cnt < 7; cnt++)
1478 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1479 
1480 	iter_reg = fw->resp0_dma_reg;
1481 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1482 	dmp_reg = &reg->iobase_q;
1483 	for (cnt = 0; cnt < 7; cnt++)
1484 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1485 
1486 	iter_reg = fw->req1_dma_reg;
1487 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1488 	dmp_reg = &reg->iobase_q;
1489 	for (cnt = 0; cnt < 7; cnt++)
1490 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1491 
1492 	/* Transmit DMA registers. */
1493 	iter_reg = fw->xmt0_dma_reg;
1494 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1495 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1496 
1497 	iter_reg = fw->xmt1_dma_reg;
1498 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1499 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1500 
1501 	iter_reg = fw->xmt2_dma_reg;
1502 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1503 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1504 
1505 	iter_reg = fw->xmt3_dma_reg;
1506 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1507 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1508 
1509 	iter_reg = fw->xmt4_dma_reg;
1510 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1511 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1512 
1513 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1514 
1515 	/* Receive DMA registers. */
1516 	iter_reg = fw->rcvt0_data_dma_reg;
1517 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1518 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1519 
1520 	iter_reg = fw->rcvt1_data_dma_reg;
1521 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1522 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1523 
1524 	/* RISC registers. */
1525 	iter_reg = fw->risc_gp_reg;
1526 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1527 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1528 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1529 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1530 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1531 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1532 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1533 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1534 
1535 	/* Local memory controller registers. */
1536 	iter_reg = fw->lmc_reg;
1537 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1538 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1539 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1540 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1541 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1542 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1543 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1544 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1545 
1546 	/* Fibre Protocol Module registers. */
1547 	iter_reg = fw->fpm_hdw_reg;
1548 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1549 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1550 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1551 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1552 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1553 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1554 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1555 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1556 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1557 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1558 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1559 	qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1560 
1561 	/* Frame Buffer registers. */
1562 	iter_reg = fw->fb_hdw_reg;
1563 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1564 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1565 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1566 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1567 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1568 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1569 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1570 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1571 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1572 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1573 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1574 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1575 
1576 	/* Multi queue registers */
1577 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1578 	    &last_chain);
1579 
1580 	rval = qla24xx_soft_reset(ha);
1581 	if (rval != QLA_SUCCESS)
1582 		goto qla25xx_fw_dump_failed_0;
1583 
1584 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1585 	    &nxt);
1586 	if (rval != QLA_SUCCESS)
1587 		goto qla25xx_fw_dump_failed_0;
1588 
1589 	nxt = qla2xxx_copy_queues(ha, nxt);
1590 
1591 	qla24xx_copy_eft(ha, nxt);
1592 
1593 	/* Chain entries -- started with MQ. */
1594 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1595 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1596 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1597 	if (last_chain) {
1598 		ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
1599 		*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
1600 	}
1601 
1602 	/* Adjust valid length. */
1603 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1604 
1605 qla25xx_fw_dump_failed_0:
1606 	qla2xxx_dump_post_process(base_vha, rval);
1607 
1608 qla25xx_fw_dump_failed:
1609 	if (!hardware_locked)
1610 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1611 }
1612 
1613 void
1614 qla81xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1615 {
1616 	int		rval;
1617 	uint32_t	cnt;
1618 	uint32_t	risc_address;
1619 	struct qla_hw_data *ha = vha->hw;
1620 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1621 	uint32_t __iomem *dmp_reg;
1622 	uint32_t	*iter_reg;
1623 	uint16_t __iomem *mbx_reg;
1624 	unsigned long	flags;
1625 	struct qla81xx_fw_dump *fw;
1626 	uint32_t	ext_mem_cnt;
1627 	void		*nxt, *nxt_chain;
1628 	uint32_t	*last_chain = NULL;
1629 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1630 
1631 	risc_address = ext_mem_cnt = 0;
1632 	flags = 0;
1633 	ha->fw_dump_cap_flags = 0;
1634 
1635 	if (!hardware_locked)
1636 		spin_lock_irqsave(&ha->hardware_lock, flags);
1637 
1638 	if (!ha->fw_dump) {
1639 		ql_log(ql_log_warn, vha, 0xd00a,
1640 		    "No buffer available for dump.\n");
1641 		goto qla81xx_fw_dump_failed;
1642 	}
1643 
1644 	if (ha->fw_dumped) {
1645 		ql_log(ql_log_warn, vha, 0xd00b,
1646 		    "Firmware has been previously dumped (%p) "
1647 		    "-- ignoring request.\n",
1648 		    ha->fw_dump);
1649 		goto qla81xx_fw_dump_failed;
1650 	}
1651 	fw = &ha->fw_dump->isp.isp81;
1652 	qla2xxx_prep_dump(ha, ha->fw_dump);
1653 
1654 	fw->host_status = htonl(RD_REG_DWORD(&reg->host_status));
1655 
1656 	/*
1657 	 * Pause RISC. No need to track timeout, as resetting the chip
1658 	 * is the right approach incase of pause timeout
1659 	 */
1660 	qla24xx_pause_risc(reg, ha);
1661 
1662 	/* Host/Risc registers. */
1663 	iter_reg = fw->host_risc_reg;
1664 	iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg);
1665 	qla24xx_read_window(reg, 0x7010, 16, iter_reg);
1666 
1667 	/* PCIe registers. */
1668 	WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
1669 	RD_REG_DWORD(&reg->iobase_addr);
1670 	WRT_REG_DWORD(&reg->iobase_window, 0x01);
1671 	dmp_reg = &reg->iobase_c4;
1672 	fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++));
1673 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
1674 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
1675 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
1676 
1677 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
1678 	RD_REG_DWORD(&reg->iobase_window);
1679 
1680 	/* Host interface registers. */
1681 	dmp_reg = &reg->flash_addr;
1682 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
1683 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
1684 
1685 	/* Disable interrupts. */
1686 	WRT_REG_DWORD(&reg->ictrl, 0);
1687 	RD_REG_DWORD(&reg->ictrl);
1688 
1689 	/* Shadow registers. */
1690 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
1691 	RD_REG_DWORD(&reg->iobase_addr);
1692 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
1693 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1694 
1695 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
1696 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1697 
1698 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
1699 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1700 
1701 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
1702 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1703 
1704 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
1705 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1706 
1707 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
1708 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1709 
1710 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
1711 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1712 
1713 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
1714 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1715 
1716 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
1717 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1718 
1719 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
1720 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1721 
1722 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
1723 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
1724 
1725 	/* RISC I/O register. */
1726 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
1727 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
1728 
1729 	/* Mailbox registers. */
1730 	mbx_reg = &reg->mailbox0;
1731 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
1732 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
1733 
1734 	/* Transfer sequence registers. */
1735 	iter_reg = fw->xseq_gp_reg;
1736 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
1737 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
1738 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
1739 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
1740 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
1741 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
1742 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
1743 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
1744 
1745 	iter_reg = fw->xseq_0_reg;
1746 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
1747 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
1748 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
1749 
1750 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
1751 
1752 	/* Receive sequence registers. */
1753 	iter_reg = fw->rseq_gp_reg;
1754 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
1755 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
1756 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
1757 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
1758 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
1759 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
1760 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
1761 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
1762 
1763 	iter_reg = fw->rseq_0_reg;
1764 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
1765 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
1766 
1767 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
1768 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
1769 
1770 	/* Auxiliary sequence registers. */
1771 	iter_reg = fw->aseq_gp_reg;
1772 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
1773 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
1774 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
1775 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
1776 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
1777 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
1778 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
1779 	qla24xx_read_window(reg, 0xB070, 16, iter_reg);
1780 
1781 	iter_reg = fw->aseq_0_reg;
1782 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
1783 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
1784 
1785 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
1786 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
1787 
1788 	/* Command DMA registers. */
1789 	qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
1790 
1791 	/* Queues. */
1792 	iter_reg = fw->req0_dma_reg;
1793 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
1794 	dmp_reg = &reg->iobase_q;
1795 	for (cnt = 0; cnt < 7; cnt++)
1796 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1797 
1798 	iter_reg = fw->resp0_dma_reg;
1799 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
1800 	dmp_reg = &reg->iobase_q;
1801 	for (cnt = 0; cnt < 7; cnt++)
1802 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1803 
1804 	iter_reg = fw->req1_dma_reg;
1805 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
1806 	dmp_reg = &reg->iobase_q;
1807 	for (cnt = 0; cnt < 7; cnt++)
1808 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
1809 
1810 	/* Transmit DMA registers. */
1811 	iter_reg = fw->xmt0_dma_reg;
1812 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
1813 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
1814 
1815 	iter_reg = fw->xmt1_dma_reg;
1816 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
1817 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
1818 
1819 	iter_reg = fw->xmt2_dma_reg;
1820 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
1821 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
1822 
1823 	iter_reg = fw->xmt3_dma_reg;
1824 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
1825 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
1826 
1827 	iter_reg = fw->xmt4_dma_reg;
1828 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
1829 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
1830 
1831 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
1832 
1833 	/* Receive DMA registers. */
1834 	iter_reg = fw->rcvt0_data_dma_reg;
1835 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
1836 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
1837 
1838 	iter_reg = fw->rcvt1_data_dma_reg;
1839 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
1840 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
1841 
1842 	/* RISC registers. */
1843 	iter_reg = fw->risc_gp_reg;
1844 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
1845 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
1846 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
1847 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
1848 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
1849 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
1850 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
1851 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
1852 
1853 	/* Local memory controller registers. */
1854 	iter_reg = fw->lmc_reg;
1855 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
1856 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
1857 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
1858 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
1859 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
1860 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
1861 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
1862 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
1863 
1864 	/* Fibre Protocol Module registers. */
1865 	iter_reg = fw->fpm_hdw_reg;
1866 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
1867 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
1868 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
1869 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
1870 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
1871 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
1872 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
1873 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
1874 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
1875 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
1876 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
1877 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
1878 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
1879 	qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
1880 
1881 	/* Frame Buffer registers. */
1882 	iter_reg = fw->fb_hdw_reg;
1883 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
1884 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
1885 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
1886 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
1887 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
1888 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
1889 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
1890 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
1891 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
1892 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
1893 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
1894 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
1895 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
1896 
1897 	/* Multi queue registers */
1898 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
1899 	    &last_chain);
1900 
1901 	rval = qla24xx_soft_reset(ha);
1902 	if (rval != QLA_SUCCESS)
1903 		goto qla81xx_fw_dump_failed_0;
1904 
1905 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
1906 	    &nxt);
1907 	if (rval != QLA_SUCCESS)
1908 		goto qla81xx_fw_dump_failed_0;
1909 
1910 	nxt = qla2xxx_copy_queues(ha, nxt);
1911 
1912 	qla24xx_copy_eft(ha, nxt);
1913 
1914 	/* Chain entries -- started with MQ. */
1915 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
1916 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
1917 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
1918 	if (last_chain) {
1919 		ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
1920 		*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
1921 	}
1922 
1923 	/* Adjust valid length. */
1924 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
1925 
1926 qla81xx_fw_dump_failed_0:
1927 	qla2xxx_dump_post_process(base_vha, rval);
1928 
1929 qla81xx_fw_dump_failed:
1930 	if (!hardware_locked)
1931 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1932 }
1933 
1934 void
1935 qla83xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
1936 {
1937 	int		rval;
1938 	uint32_t	cnt, reg_data;
1939 	uint32_t	risc_address;
1940 	struct qla_hw_data *ha = vha->hw;
1941 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1942 	uint32_t __iomem *dmp_reg;
1943 	uint32_t	*iter_reg;
1944 	uint16_t __iomem *mbx_reg;
1945 	unsigned long	flags;
1946 	struct qla83xx_fw_dump *fw;
1947 	uint32_t	ext_mem_cnt;
1948 	void		*nxt, *nxt_chain;
1949 	uint32_t	*last_chain = NULL;
1950 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1951 
1952 	risc_address = ext_mem_cnt = 0;
1953 	flags = 0;
1954 	ha->fw_dump_cap_flags = 0;
1955 
1956 	if (!hardware_locked)
1957 		spin_lock_irqsave(&ha->hardware_lock, flags);
1958 
1959 	if (!ha->fw_dump) {
1960 		ql_log(ql_log_warn, vha, 0xd00c,
1961 		    "No buffer available for dump!!!\n");
1962 		goto qla83xx_fw_dump_failed;
1963 	}
1964 
1965 	if (ha->fw_dumped) {
1966 		ql_log(ql_log_warn, vha, 0xd00d,
1967 		    "Firmware has been previously dumped (%p) -- ignoring "
1968 		    "request...\n", ha->fw_dump);
1969 		goto qla83xx_fw_dump_failed;
1970 	}
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 	reg_data = RD_REG_DWORD(dmp_reg);
1985 	WRT_REG_DWORD(dmp_reg, 0);
1986 
1987 	dmp_reg = &reg->unused_4_1[0];
1988 	reg_data = 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 	reg_data = 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 	fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++));
2014 	fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg));
2015 	fw->pcie_regs[3] = htonl(RD_REG_DWORD(&reg->iobase_window));
2016 
2017 	WRT_REG_DWORD(&reg->iobase_window, 0x00);
2018 	RD_REG_DWORD(&reg->iobase_window);
2019 
2020 	/* Host interface registers. */
2021 	dmp_reg = &reg->flash_addr;
2022 	for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
2023 		fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
2024 
2025 	/* Disable interrupts. */
2026 	WRT_REG_DWORD(&reg->ictrl, 0);
2027 	RD_REG_DWORD(&reg->ictrl);
2028 
2029 	/* Shadow registers. */
2030 	WRT_REG_DWORD(&reg->iobase_addr, 0x0F70);
2031 	RD_REG_DWORD(&reg->iobase_addr);
2032 	WRT_REG_DWORD(&reg->iobase_select, 0xB0000000);
2033 	fw->shadow_reg[0] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2034 
2035 	WRT_REG_DWORD(&reg->iobase_select, 0xB0100000);
2036 	fw->shadow_reg[1] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2037 
2038 	WRT_REG_DWORD(&reg->iobase_select, 0xB0200000);
2039 	fw->shadow_reg[2] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2040 
2041 	WRT_REG_DWORD(&reg->iobase_select, 0xB0300000);
2042 	fw->shadow_reg[3] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2043 
2044 	WRT_REG_DWORD(&reg->iobase_select, 0xB0400000);
2045 	fw->shadow_reg[4] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2046 
2047 	WRT_REG_DWORD(&reg->iobase_select, 0xB0500000);
2048 	fw->shadow_reg[5] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2049 
2050 	WRT_REG_DWORD(&reg->iobase_select, 0xB0600000);
2051 	fw->shadow_reg[6] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2052 
2053 	WRT_REG_DWORD(&reg->iobase_select, 0xB0700000);
2054 	fw->shadow_reg[7] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2055 
2056 	WRT_REG_DWORD(&reg->iobase_select, 0xB0800000);
2057 	fw->shadow_reg[8] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2058 
2059 	WRT_REG_DWORD(&reg->iobase_select, 0xB0900000);
2060 	fw->shadow_reg[9] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2061 
2062 	WRT_REG_DWORD(&reg->iobase_select, 0xB0A00000);
2063 	fw->shadow_reg[10] = htonl(RD_REG_DWORD(&reg->iobase_sdata));
2064 
2065 	/* RISC I/O register. */
2066 	WRT_REG_DWORD(&reg->iobase_addr, 0x0010);
2067 	fw->risc_io_reg = htonl(RD_REG_DWORD(&reg->iobase_window));
2068 
2069 	/* Mailbox registers. */
2070 	mbx_reg = &reg->mailbox0;
2071 	for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
2072 		fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
2073 
2074 	/* Transfer sequence registers. */
2075 	iter_reg = fw->xseq_gp_reg;
2076 	iter_reg = qla24xx_read_window(reg, 0xBE00, 16, iter_reg);
2077 	iter_reg = qla24xx_read_window(reg, 0xBE10, 16, iter_reg);
2078 	iter_reg = qla24xx_read_window(reg, 0xBE20, 16, iter_reg);
2079 	iter_reg = qla24xx_read_window(reg, 0xBE30, 16, iter_reg);
2080 	iter_reg = qla24xx_read_window(reg, 0xBE40, 16, iter_reg);
2081 	iter_reg = qla24xx_read_window(reg, 0xBE50, 16, iter_reg);
2082 	iter_reg = qla24xx_read_window(reg, 0xBE60, 16, iter_reg);
2083 	iter_reg = qla24xx_read_window(reg, 0xBE70, 16, iter_reg);
2084 	iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
2085 	iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
2086 	iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
2087 	iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
2088 	iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
2089 	iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
2090 	iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
2091 	qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
2092 
2093 	iter_reg = fw->xseq_0_reg;
2094 	iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg);
2095 	iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg);
2096 	qla24xx_read_window(reg, 0xBFE0, 16, iter_reg);
2097 
2098 	qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
2099 
2100 	qla24xx_read_window(reg, 0xBEF0, 16, fw->xseq_2_reg);
2101 
2102 	/* Receive sequence registers. */
2103 	iter_reg = fw->rseq_gp_reg;
2104 	iter_reg = qla24xx_read_window(reg, 0xFE00, 16, iter_reg);
2105 	iter_reg = qla24xx_read_window(reg, 0xFE10, 16, iter_reg);
2106 	iter_reg = qla24xx_read_window(reg, 0xFE20, 16, iter_reg);
2107 	iter_reg = qla24xx_read_window(reg, 0xFE30, 16, iter_reg);
2108 	iter_reg = qla24xx_read_window(reg, 0xFE40, 16, iter_reg);
2109 	iter_reg = qla24xx_read_window(reg, 0xFE50, 16, iter_reg);
2110 	iter_reg = qla24xx_read_window(reg, 0xFE60, 16, iter_reg);
2111 	iter_reg = qla24xx_read_window(reg, 0xFE70, 16, iter_reg);
2112 	iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
2113 	iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
2114 	iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
2115 	iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
2116 	iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
2117 	iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
2118 	iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
2119 	qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
2120 
2121 	iter_reg = fw->rseq_0_reg;
2122 	iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg);
2123 	qla24xx_read_window(reg, 0xFFD0, 16, iter_reg);
2124 
2125 	qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
2126 	qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
2127 	qla24xx_read_window(reg, 0xFEF0, 16, fw->rseq_3_reg);
2128 
2129 	/* Auxiliary sequence registers. */
2130 	iter_reg = fw->aseq_gp_reg;
2131 	iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg);
2132 	iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg);
2133 	iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg);
2134 	iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg);
2135 	iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg);
2136 	iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg);
2137 	iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg);
2138 	iter_reg = qla24xx_read_window(reg, 0xB070, 16, iter_reg);
2139 	iter_reg = qla24xx_read_window(reg, 0xB100, 16, iter_reg);
2140 	iter_reg = qla24xx_read_window(reg, 0xB110, 16, iter_reg);
2141 	iter_reg = qla24xx_read_window(reg, 0xB120, 16, iter_reg);
2142 	iter_reg = qla24xx_read_window(reg, 0xB130, 16, iter_reg);
2143 	iter_reg = qla24xx_read_window(reg, 0xB140, 16, iter_reg);
2144 	iter_reg = qla24xx_read_window(reg, 0xB150, 16, iter_reg);
2145 	iter_reg = qla24xx_read_window(reg, 0xB160, 16, iter_reg);
2146 	qla24xx_read_window(reg, 0xB170, 16, iter_reg);
2147 
2148 	iter_reg = fw->aseq_0_reg;
2149 	iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg);
2150 	qla24xx_read_window(reg, 0xB0D0, 16, iter_reg);
2151 
2152 	qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg);
2153 	qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg);
2154 	qla24xx_read_window(reg, 0xB1F0, 16, fw->aseq_3_reg);
2155 
2156 	/* Command DMA registers. */
2157 	iter_reg = fw->cmd_dma_reg;
2158 	iter_reg = qla24xx_read_window(reg, 0x7100, 16, iter_reg);
2159 	iter_reg = qla24xx_read_window(reg, 0x7120, 16, iter_reg);
2160 	iter_reg = qla24xx_read_window(reg, 0x7130, 16, iter_reg);
2161 	qla24xx_read_window(reg, 0x71F0, 16, iter_reg);
2162 
2163 	/* Queues. */
2164 	iter_reg = fw->req0_dma_reg;
2165 	iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
2166 	dmp_reg = &reg->iobase_q;
2167 	for (cnt = 0; cnt < 7; cnt++)
2168 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2169 
2170 	iter_reg = fw->resp0_dma_reg;
2171 	iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
2172 	dmp_reg = &reg->iobase_q;
2173 	for (cnt = 0; cnt < 7; cnt++)
2174 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2175 
2176 	iter_reg = fw->req1_dma_reg;
2177 	iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
2178 	dmp_reg = &reg->iobase_q;
2179 	for (cnt = 0; cnt < 7; cnt++)
2180 		*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
2181 
2182 	/* Transmit DMA registers. */
2183 	iter_reg = fw->xmt0_dma_reg;
2184 	iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
2185 	qla24xx_read_window(reg, 0x7610, 16, iter_reg);
2186 
2187 	iter_reg = fw->xmt1_dma_reg;
2188 	iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
2189 	qla24xx_read_window(reg, 0x7630, 16, iter_reg);
2190 
2191 	iter_reg = fw->xmt2_dma_reg;
2192 	iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
2193 	qla24xx_read_window(reg, 0x7650, 16, iter_reg);
2194 
2195 	iter_reg = fw->xmt3_dma_reg;
2196 	iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
2197 	qla24xx_read_window(reg, 0x7670, 16, iter_reg);
2198 
2199 	iter_reg = fw->xmt4_dma_reg;
2200 	iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
2201 	qla24xx_read_window(reg, 0x7690, 16, iter_reg);
2202 
2203 	qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
2204 
2205 	/* Receive DMA registers. */
2206 	iter_reg = fw->rcvt0_data_dma_reg;
2207 	iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
2208 	qla24xx_read_window(reg, 0x7710, 16, iter_reg);
2209 
2210 	iter_reg = fw->rcvt1_data_dma_reg;
2211 	iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
2212 	qla24xx_read_window(reg, 0x7730, 16, iter_reg);
2213 
2214 	/* RISC registers. */
2215 	iter_reg = fw->risc_gp_reg;
2216 	iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
2217 	iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
2218 	iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
2219 	iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
2220 	iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
2221 	iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
2222 	iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
2223 	qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
2224 
2225 	/* Local memory controller registers. */
2226 	iter_reg = fw->lmc_reg;
2227 	iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
2228 	iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
2229 	iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
2230 	iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
2231 	iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
2232 	iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
2233 	iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg);
2234 	qla24xx_read_window(reg, 0x3070, 16, iter_reg);
2235 
2236 	/* Fibre Protocol Module registers. */
2237 	iter_reg = fw->fpm_hdw_reg;
2238 	iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
2239 	iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
2240 	iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
2241 	iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
2242 	iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
2243 	iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
2244 	iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
2245 	iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
2246 	iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
2247 	iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
2248 	iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
2249 	iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
2250 	iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg);
2251 	iter_reg = qla24xx_read_window(reg, 0x40D0, 16, iter_reg);
2252 	iter_reg = qla24xx_read_window(reg, 0x40E0, 16, iter_reg);
2253 	qla24xx_read_window(reg, 0x40F0, 16, iter_reg);
2254 
2255 	/* RQ0 Array registers. */
2256 	iter_reg = fw->rq0_array_reg;
2257 	iter_reg = qla24xx_read_window(reg, 0x5C00, 16, iter_reg);
2258 	iter_reg = qla24xx_read_window(reg, 0x5C10, 16, iter_reg);
2259 	iter_reg = qla24xx_read_window(reg, 0x5C20, 16, iter_reg);
2260 	iter_reg = qla24xx_read_window(reg, 0x5C30, 16, iter_reg);
2261 	iter_reg = qla24xx_read_window(reg, 0x5C40, 16, iter_reg);
2262 	iter_reg = qla24xx_read_window(reg, 0x5C50, 16, iter_reg);
2263 	iter_reg = qla24xx_read_window(reg, 0x5C60, 16, iter_reg);
2264 	iter_reg = qla24xx_read_window(reg, 0x5C70, 16, iter_reg);
2265 	iter_reg = qla24xx_read_window(reg, 0x5C80, 16, iter_reg);
2266 	iter_reg = qla24xx_read_window(reg, 0x5C90, 16, iter_reg);
2267 	iter_reg = qla24xx_read_window(reg, 0x5CA0, 16, iter_reg);
2268 	iter_reg = qla24xx_read_window(reg, 0x5CB0, 16, iter_reg);
2269 	iter_reg = qla24xx_read_window(reg, 0x5CC0, 16, iter_reg);
2270 	iter_reg = qla24xx_read_window(reg, 0x5CD0, 16, iter_reg);
2271 	iter_reg = qla24xx_read_window(reg, 0x5CE0, 16, iter_reg);
2272 	qla24xx_read_window(reg, 0x5CF0, 16, iter_reg);
2273 
2274 	/* RQ1 Array registers. */
2275 	iter_reg = fw->rq1_array_reg;
2276 	iter_reg = qla24xx_read_window(reg, 0x5D00, 16, iter_reg);
2277 	iter_reg = qla24xx_read_window(reg, 0x5D10, 16, iter_reg);
2278 	iter_reg = qla24xx_read_window(reg, 0x5D20, 16, iter_reg);
2279 	iter_reg = qla24xx_read_window(reg, 0x5D30, 16, iter_reg);
2280 	iter_reg = qla24xx_read_window(reg, 0x5D40, 16, iter_reg);
2281 	iter_reg = qla24xx_read_window(reg, 0x5D50, 16, iter_reg);
2282 	iter_reg = qla24xx_read_window(reg, 0x5D60, 16, iter_reg);
2283 	iter_reg = qla24xx_read_window(reg, 0x5D70, 16, iter_reg);
2284 	iter_reg = qla24xx_read_window(reg, 0x5D80, 16, iter_reg);
2285 	iter_reg = qla24xx_read_window(reg, 0x5D90, 16, iter_reg);
2286 	iter_reg = qla24xx_read_window(reg, 0x5DA0, 16, iter_reg);
2287 	iter_reg = qla24xx_read_window(reg, 0x5DB0, 16, iter_reg);
2288 	iter_reg = qla24xx_read_window(reg, 0x5DC0, 16, iter_reg);
2289 	iter_reg = qla24xx_read_window(reg, 0x5DD0, 16, iter_reg);
2290 	iter_reg = qla24xx_read_window(reg, 0x5DE0, 16, iter_reg);
2291 	qla24xx_read_window(reg, 0x5DF0, 16, iter_reg);
2292 
2293 	/* RP0 Array registers. */
2294 	iter_reg = fw->rp0_array_reg;
2295 	iter_reg = qla24xx_read_window(reg, 0x5E00, 16, iter_reg);
2296 	iter_reg = qla24xx_read_window(reg, 0x5E10, 16, iter_reg);
2297 	iter_reg = qla24xx_read_window(reg, 0x5E20, 16, iter_reg);
2298 	iter_reg = qla24xx_read_window(reg, 0x5E30, 16, iter_reg);
2299 	iter_reg = qla24xx_read_window(reg, 0x5E40, 16, iter_reg);
2300 	iter_reg = qla24xx_read_window(reg, 0x5E50, 16, iter_reg);
2301 	iter_reg = qla24xx_read_window(reg, 0x5E60, 16, iter_reg);
2302 	iter_reg = qla24xx_read_window(reg, 0x5E70, 16, iter_reg);
2303 	iter_reg = qla24xx_read_window(reg, 0x5E80, 16, iter_reg);
2304 	iter_reg = qla24xx_read_window(reg, 0x5E90, 16, iter_reg);
2305 	iter_reg = qla24xx_read_window(reg, 0x5EA0, 16, iter_reg);
2306 	iter_reg = qla24xx_read_window(reg, 0x5EB0, 16, iter_reg);
2307 	iter_reg = qla24xx_read_window(reg, 0x5EC0, 16, iter_reg);
2308 	iter_reg = qla24xx_read_window(reg, 0x5ED0, 16, iter_reg);
2309 	iter_reg = qla24xx_read_window(reg, 0x5EE0, 16, iter_reg);
2310 	qla24xx_read_window(reg, 0x5EF0, 16, iter_reg);
2311 
2312 	/* RP1 Array registers. */
2313 	iter_reg = fw->rp1_array_reg;
2314 	iter_reg = qla24xx_read_window(reg, 0x5F00, 16, iter_reg);
2315 	iter_reg = qla24xx_read_window(reg, 0x5F10, 16, iter_reg);
2316 	iter_reg = qla24xx_read_window(reg, 0x5F20, 16, iter_reg);
2317 	iter_reg = qla24xx_read_window(reg, 0x5F30, 16, iter_reg);
2318 	iter_reg = qla24xx_read_window(reg, 0x5F40, 16, iter_reg);
2319 	iter_reg = qla24xx_read_window(reg, 0x5F50, 16, iter_reg);
2320 	iter_reg = qla24xx_read_window(reg, 0x5F60, 16, iter_reg);
2321 	iter_reg = qla24xx_read_window(reg, 0x5F70, 16, iter_reg);
2322 	iter_reg = qla24xx_read_window(reg, 0x5F80, 16, iter_reg);
2323 	iter_reg = qla24xx_read_window(reg, 0x5F90, 16, iter_reg);
2324 	iter_reg = qla24xx_read_window(reg, 0x5FA0, 16, iter_reg);
2325 	iter_reg = qla24xx_read_window(reg, 0x5FB0, 16, iter_reg);
2326 	iter_reg = qla24xx_read_window(reg, 0x5FC0, 16, iter_reg);
2327 	iter_reg = qla24xx_read_window(reg, 0x5FD0, 16, iter_reg);
2328 	iter_reg = qla24xx_read_window(reg, 0x5FE0, 16, iter_reg);
2329 	qla24xx_read_window(reg, 0x5FF0, 16, iter_reg);
2330 
2331 	iter_reg = fw->at0_array_reg;
2332 	iter_reg = qla24xx_read_window(reg, 0x7080, 16, iter_reg);
2333 	iter_reg = qla24xx_read_window(reg, 0x7090, 16, iter_reg);
2334 	iter_reg = qla24xx_read_window(reg, 0x70A0, 16, iter_reg);
2335 	iter_reg = qla24xx_read_window(reg, 0x70B0, 16, iter_reg);
2336 	iter_reg = qla24xx_read_window(reg, 0x70C0, 16, iter_reg);
2337 	iter_reg = qla24xx_read_window(reg, 0x70D0, 16, iter_reg);
2338 	iter_reg = qla24xx_read_window(reg, 0x70E0, 16, iter_reg);
2339 	qla24xx_read_window(reg, 0x70F0, 16, iter_reg);
2340 
2341 	/* I/O Queue Control registers. */
2342 	qla24xx_read_window(reg, 0x7800, 16, fw->queue_control_reg);
2343 
2344 	/* Frame Buffer registers. */
2345 	iter_reg = fw->fb_hdw_reg;
2346 	iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
2347 	iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
2348 	iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
2349 	iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
2350 	iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
2351 	iter_reg = qla24xx_read_window(reg, 0x6060, 16, iter_reg);
2352 	iter_reg = qla24xx_read_window(reg, 0x6070, 16, iter_reg);
2353 	iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
2354 	iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
2355 	iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
2356 	iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
2357 	iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
2358 	iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
2359 	iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg);
2360 	iter_reg = qla24xx_read_window(reg, 0x6530, 16, iter_reg);
2361 	iter_reg = qla24xx_read_window(reg, 0x6540, 16, iter_reg);
2362 	iter_reg = qla24xx_read_window(reg, 0x6550, 16, iter_reg);
2363 	iter_reg = qla24xx_read_window(reg, 0x6560, 16, iter_reg);
2364 	iter_reg = qla24xx_read_window(reg, 0x6570, 16, iter_reg);
2365 	iter_reg = qla24xx_read_window(reg, 0x6580, 16, iter_reg);
2366 	iter_reg = qla24xx_read_window(reg, 0x6590, 16, iter_reg);
2367 	iter_reg = qla24xx_read_window(reg, 0x65A0, 16, iter_reg);
2368 	iter_reg = qla24xx_read_window(reg, 0x65B0, 16, iter_reg);
2369 	iter_reg = qla24xx_read_window(reg, 0x65C0, 16, iter_reg);
2370 	iter_reg = qla24xx_read_window(reg, 0x65D0, 16, iter_reg);
2371 	iter_reg = qla24xx_read_window(reg, 0x65E0, 16, iter_reg);
2372 	qla24xx_read_window(reg, 0x6F00, 16, iter_reg);
2373 
2374 	/* Multi queue registers */
2375 	nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset,
2376 	    &last_chain);
2377 
2378 	rval = qla24xx_soft_reset(ha);
2379 	if (rval != QLA_SUCCESS) {
2380 		ql_log(ql_log_warn, vha, 0xd00e,
2381 		    "SOFT RESET FAILED, forcing continuation of dump!!!\n");
2382 		rval = QLA_SUCCESS;
2383 
2384 		ql_log(ql_log_warn, vha, 0xd00f, "try a bigger hammer!!!\n");
2385 
2386 		WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2387 		RD_REG_DWORD(&reg->hccr);
2388 
2389 		WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2390 		RD_REG_DWORD(&reg->hccr);
2391 
2392 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2393 		RD_REG_DWORD(&reg->hccr);
2394 
2395 		for (cnt = 30000; cnt && (RD_REG_WORD(&reg->mailbox0)); cnt--)
2396 			udelay(5);
2397 
2398 		if (!cnt) {
2399 			nxt = fw->code_ram;
2400 			nxt += sizeof(fw->code_ram);
2401 			nxt += (ha->fw_memory_size - 0x100000 + 1);
2402 			goto copy_queue;
2403 		} else {
2404 			set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2405 			ql_log(ql_log_warn, vha, 0xd010,
2406 			    "bigger hammer success?\n");
2407 		}
2408 	}
2409 
2410 	rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
2411 	    &nxt);
2412 	if (rval != QLA_SUCCESS)
2413 		goto qla83xx_fw_dump_failed_0;
2414 
2415 copy_queue:
2416 	nxt = qla2xxx_copy_queues(ha, nxt);
2417 
2418 	qla24xx_copy_eft(ha, nxt);
2419 
2420 	/* Chain entries -- started with MQ. */
2421 	nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
2422 	nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
2423 	nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
2424 	if (last_chain) {
2425 		ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
2426 		*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
2427 	}
2428 
2429 	/* Adjust valid length. */
2430 	ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
2431 
2432 qla83xx_fw_dump_failed_0:
2433 	qla2xxx_dump_post_process(base_vha, rval);
2434 
2435 qla83xx_fw_dump_failed:
2436 	if (!hardware_locked)
2437 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
2438 }
2439 
2440 /****************************************************************************/
2441 /*                         Driver Debug Functions.                          */
2442 /****************************************************************************/
2443 
2444 static inline int
2445 ql_mask_match(uint32_t level)
2446 {
2447 	if (ql2xextended_error_logging == 1)
2448 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2449 	return (level & ql2xextended_error_logging) == level;
2450 }
2451 
2452 /*
2453  * This function is for formatting and logging debug information.
2454  * It is to be used when vha is available. It formats the message
2455  * and logs it to the messages file.
2456  * parameters:
2457  * level: The level of the debug messages to be printed.
2458  *        If ql2xextended_error_logging value is correctly set,
2459  *        this message will appear in the messages file.
2460  * vha:   Pointer to the scsi_qla_host_t.
2461  * id:    This is a unique identifier for the level. It identifies the
2462  *        part of the code from where the message originated.
2463  * msg:   The message to be displayed.
2464  */
2465 void
2466 ql_dbg(uint32_t level, scsi_qla_host_t *vha, int32_t id, const char *fmt, ...)
2467 {
2468 	va_list va;
2469 	struct va_format vaf;
2470 
2471 	if (!ql_mask_match(level))
2472 		return;
2473 
2474 	va_start(va, fmt);
2475 
2476 	vaf.fmt = fmt;
2477 	vaf.va = &va;
2478 
2479 	if (vha != NULL) {
2480 		const struct pci_dev *pdev = vha->hw->pdev;
2481 		/* <module-name> <pci-name> <msg-id>:<host> Message */
2482 		pr_warn("%s [%s]-%04x:%ld: %pV",
2483 			QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset,
2484 			vha->host_no, &vaf);
2485 	} else {
2486 		pr_warn("%s [%s]-%04x: : %pV",
2487 			QL_MSGHDR, "0000:00:00.0", id + ql_dbg_offset, &vaf);
2488 	}
2489 
2490 	va_end(va);
2491 
2492 }
2493 
2494 /*
2495  * This function is for formatting and logging debug information.
2496  * It is to be used when vha is not available and pci is available,
2497  * i.e., before host allocation. It formats the message and logs it
2498  * to the messages file.
2499  * parameters:
2500  * level: The level of the debug messages to be printed.
2501  *        If ql2xextended_error_logging value is correctly set,
2502  *        this message will appear in the messages file.
2503  * pdev:  Pointer to the struct pci_dev.
2504  * id:    This is a unique id for the level. It identifies the part
2505  *        of the code from where the message originated.
2506  * msg:   The message to be displayed.
2507  */
2508 void
2509 ql_dbg_pci(uint32_t level, struct pci_dev *pdev, int32_t id,
2510 	   const char *fmt, ...)
2511 {
2512 	va_list va;
2513 	struct va_format vaf;
2514 
2515 	if (pdev == NULL)
2516 		return;
2517 	if (!ql_mask_match(level))
2518 		return;
2519 
2520 	va_start(va, fmt);
2521 
2522 	vaf.fmt = fmt;
2523 	vaf.va = &va;
2524 
2525 	/* <module-name> <dev-name>:<msg-id> Message */
2526 	pr_warn("%s [%s]-%04x: : %pV",
2527 		QL_MSGHDR, dev_name(&(pdev->dev)), id + ql_dbg_offset, &vaf);
2528 
2529 	va_end(va);
2530 }
2531 
2532 /*
2533  * This function is for formatting and logging log messages.
2534  * It is to be used when vha is available. It formats the message
2535  * and logs it to the messages file. All the messages will be logged
2536  * irrespective of value of ql2xextended_error_logging.
2537  * parameters:
2538  * level: The level of the log messages to be printed in the
2539  *        messages file.
2540  * vha:   Pointer to the scsi_qla_host_t
2541  * id:    This is a unique id for the level. It identifies the
2542  *        part of the code from where the message originated.
2543  * msg:   The message to be displayed.
2544  */
2545 void
2546 ql_log(uint32_t level, scsi_qla_host_t *vha, int32_t id, const char *fmt, ...)
2547 {
2548 	va_list va;
2549 	struct va_format vaf;
2550 	char pbuf[128];
2551 
2552 	if (level > ql_errlev)
2553 		return;
2554 
2555 	if (vha != NULL) {
2556 		const struct pci_dev *pdev = vha->hw->pdev;
2557 		/* <module-name> <msg-id>:<host> Message */
2558 		snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x:%ld: ",
2559 			QL_MSGHDR, dev_name(&(pdev->dev)), id, vha->host_no);
2560 	} else {
2561 		snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
2562 			QL_MSGHDR, "0000:00:00.0", id);
2563 	}
2564 	pbuf[sizeof(pbuf) - 1] = 0;
2565 
2566 	va_start(va, fmt);
2567 
2568 	vaf.fmt = fmt;
2569 	vaf.va = &va;
2570 
2571 	switch (level) {
2572 	case ql_log_fatal: /* FATAL LOG */
2573 		pr_crit("%s%pV", pbuf, &vaf);
2574 		break;
2575 	case ql_log_warn:
2576 		pr_err("%s%pV", pbuf, &vaf);
2577 		break;
2578 	case ql_log_info:
2579 		pr_warn("%s%pV", pbuf, &vaf);
2580 		break;
2581 	default:
2582 		pr_info("%s%pV", pbuf, &vaf);
2583 		break;
2584 	}
2585 
2586 	va_end(va);
2587 }
2588 
2589 /*
2590  * This function is for formatting and logging log messages.
2591  * It is to be used when vha is not available and pci is available,
2592  * i.e., before host allocation. It formats the message and logs
2593  * it to the messages file. All the messages are logged irrespective
2594  * of the value of ql2xextended_error_logging.
2595  * parameters:
2596  * level: The level of the log messages to be printed in the
2597  *        messages file.
2598  * pdev:  Pointer to the struct pci_dev.
2599  * id:    This is a unique id for the level. It identifies the
2600  *        part of the code from where the message originated.
2601  * msg:   The message to be displayed.
2602  */
2603 void
2604 ql_log_pci(uint32_t level, struct pci_dev *pdev, int32_t id,
2605 	   const char *fmt, ...)
2606 {
2607 	va_list va;
2608 	struct va_format vaf;
2609 	char pbuf[128];
2610 
2611 	if (pdev == NULL)
2612 		return;
2613 	if (level > ql_errlev)
2614 		return;
2615 
2616 	/* <module-name> <dev-name>:<msg-id> Message */
2617 	snprintf(pbuf, sizeof(pbuf), "%s [%s]-%04x: : ",
2618 		 QL_MSGHDR, dev_name(&(pdev->dev)), id);
2619 	pbuf[sizeof(pbuf) - 1] = 0;
2620 
2621 	va_start(va, fmt);
2622 
2623 	vaf.fmt = fmt;
2624 	vaf.va = &va;
2625 
2626 	switch (level) {
2627 	case ql_log_fatal: /* FATAL LOG */
2628 		pr_crit("%s%pV", pbuf, &vaf);
2629 		break;
2630 	case ql_log_warn:
2631 		pr_err("%s%pV", pbuf, &vaf);
2632 		break;
2633 	case ql_log_info:
2634 		pr_warn("%s%pV", pbuf, &vaf);
2635 		break;
2636 	default:
2637 		pr_info("%s%pV", pbuf, &vaf);
2638 		break;
2639 	}
2640 
2641 	va_end(va);
2642 }
2643 
2644 void
2645 ql_dump_regs(uint32_t level, scsi_qla_host_t *vha, int32_t id)
2646 {
2647 	int i;
2648 	struct qla_hw_data *ha = vha->hw;
2649 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2650 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
2651 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
2652 	uint16_t __iomem *mbx_reg;
2653 
2654 	if (!ql_mask_match(level))
2655 		return;
2656 
2657 	if (IS_P3P_TYPE(ha))
2658 		mbx_reg = &reg82->mailbox_in[0];
2659 	else if (IS_FWI2_CAPABLE(ha))
2660 		mbx_reg = &reg24->mailbox0;
2661 	else
2662 		mbx_reg = MAILBOX_REG(ha, reg, 0);
2663 
2664 	ql_dbg(level, vha, id, "Mailbox registers:\n");
2665 	for (i = 0; i < 6; i++)
2666 		ql_dbg(level, vha, id,
2667 		    "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++));
2668 }
2669 
2670 
2671 void
2672 ql_dump_buffer(uint32_t level, scsi_qla_host_t *vha, int32_t id,
2673 	uint8_t *b, uint32_t size)
2674 {
2675 	uint32_t cnt;
2676 	uint8_t c;
2677 
2678 	if (!ql_mask_match(level))
2679 		return;
2680 
2681 	ql_dbg(level, vha, id, " 0   1   2   3   4   5   6   7   8   "
2682 	    "9  Ah  Bh  Ch  Dh  Eh  Fh\n");
2683 	ql_dbg(level, vha, id, "----------------------------------"
2684 	    "----------------------------\n");
2685 
2686 	ql_dbg(level, vha, id, " ");
2687 	for (cnt = 0; cnt < size;) {
2688 		c = *b++;
2689 		printk("%02x", (uint32_t) c);
2690 		cnt++;
2691 		if (!(cnt % 16))
2692 			printk("\n");
2693 		else
2694 			printk("  ");
2695 	}
2696 	if (cnt % 16)
2697 		ql_dbg(level, vha, id, "\n");
2698 }
2699