xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_sup.c (revision abe9af53)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 
8 #include <linux/delay.h>
9 #include <linux/slab.h>
10 #include <linux/vmalloc.h>
11 #include <linux/uaccess.h>
12 
13 /*
14  * NVRAM support routines
15  */
16 
17 /**
18  * qla2x00_lock_nvram_access() -
19  * @ha: HA context
20  */
21 static void
22 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
23 {
24 	uint16_t data;
25 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
26 
27 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
28 		data = rd_reg_word(&reg->nvram);
29 		while (data & NVR_BUSY) {
30 			udelay(100);
31 			data = rd_reg_word(&reg->nvram);
32 		}
33 
34 		/* Lock resource */
35 		wrt_reg_word(&reg->u.isp2300.host_semaphore, 0x1);
36 		rd_reg_word(&reg->u.isp2300.host_semaphore);
37 		udelay(5);
38 		data = rd_reg_word(&reg->u.isp2300.host_semaphore);
39 		while ((data & BIT_0) == 0) {
40 			/* Lock failed */
41 			udelay(100);
42 			wrt_reg_word(&reg->u.isp2300.host_semaphore, 0x1);
43 			rd_reg_word(&reg->u.isp2300.host_semaphore);
44 			udelay(5);
45 			data = rd_reg_word(&reg->u.isp2300.host_semaphore);
46 		}
47 	}
48 }
49 
50 /**
51  * qla2x00_unlock_nvram_access() -
52  * @ha: HA context
53  */
54 static void
55 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
56 {
57 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
58 
59 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
60 		wrt_reg_word(&reg->u.isp2300.host_semaphore, 0);
61 		rd_reg_word(&reg->u.isp2300.host_semaphore);
62 	}
63 }
64 
65 /**
66  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
67  * @ha: HA context
68  * @data: Serial interface selector
69  */
70 static void
71 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
72 {
73 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
74 
75 	wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
76 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
77 	NVRAM_DELAY();
78 	wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
79 	    NVR_WRT_ENABLE);
80 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
81 	NVRAM_DELAY();
82 	wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
83 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
84 	NVRAM_DELAY();
85 }
86 
87 /**
88  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
89  *	NVRAM.
90  * @ha: HA context
91  * @nv_cmd: NVRAM command
92  *
93  * Bit definitions for NVRAM command:
94  *
95  *	Bit 26     = start bit
96  *	Bit 25, 24 = opcode
97  *	Bit 23-16  = address
98  *	Bit 15-0   = write data
99  *
100  * Returns the word read from nvram @addr.
101  */
102 static uint16_t
103 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
104 {
105 	uint8_t		cnt;
106 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
107 	uint16_t	data = 0;
108 	uint16_t	reg_data;
109 
110 	/* Send command to NVRAM. */
111 	nv_cmd <<= 5;
112 	for (cnt = 0; cnt < 11; cnt++) {
113 		if (nv_cmd & BIT_31)
114 			qla2x00_nv_write(ha, NVR_DATA_OUT);
115 		else
116 			qla2x00_nv_write(ha, 0);
117 		nv_cmd <<= 1;
118 	}
119 
120 	/* Read data from NVRAM. */
121 	for (cnt = 0; cnt < 16; cnt++) {
122 		wrt_reg_word(&reg->nvram, NVR_SELECT | NVR_CLOCK);
123 		rd_reg_word(&reg->nvram);	/* PCI Posting. */
124 		NVRAM_DELAY();
125 		data <<= 1;
126 		reg_data = rd_reg_word(&reg->nvram);
127 		if (reg_data & NVR_DATA_IN)
128 			data |= BIT_0;
129 		wrt_reg_word(&reg->nvram, NVR_SELECT);
130 		rd_reg_word(&reg->nvram);	/* PCI Posting. */
131 		NVRAM_DELAY();
132 	}
133 
134 	/* Deselect chip. */
135 	wrt_reg_word(&reg->nvram, NVR_DESELECT);
136 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
137 	NVRAM_DELAY();
138 
139 	return data;
140 }
141 
142 
143 /**
144  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
145  *	request routine to get the word from NVRAM.
146  * @ha: HA context
147  * @addr: Address in NVRAM to read
148  *
149  * Returns the word read from nvram @addr.
150  */
151 static uint16_t
152 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
153 {
154 	uint16_t	data;
155 	uint32_t	nv_cmd;
156 
157 	nv_cmd = addr << 16;
158 	nv_cmd |= NV_READ_OP;
159 	data = qla2x00_nvram_request(ha, nv_cmd);
160 
161 	return (data);
162 }
163 
164 /**
165  * qla2x00_nv_deselect() - Deselect NVRAM operations.
166  * @ha: HA context
167  */
168 static void
169 qla2x00_nv_deselect(struct qla_hw_data *ha)
170 {
171 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
172 
173 	wrt_reg_word(&reg->nvram, NVR_DESELECT);
174 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
175 	NVRAM_DELAY();
176 }
177 
178 /**
179  * qla2x00_write_nvram_word() - Write NVRAM data.
180  * @ha: HA context
181  * @addr: Address in NVRAM to write
182  * @data: word to program
183  */
184 static void
185 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, __le16 data)
186 {
187 	int count;
188 	uint16_t word;
189 	uint32_t nv_cmd, wait_cnt;
190 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
191 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
192 
193 	qla2x00_nv_write(ha, NVR_DATA_OUT);
194 	qla2x00_nv_write(ha, 0);
195 	qla2x00_nv_write(ha, 0);
196 
197 	for (word = 0; word < 8; word++)
198 		qla2x00_nv_write(ha, NVR_DATA_OUT);
199 
200 	qla2x00_nv_deselect(ha);
201 
202 	/* Write data */
203 	nv_cmd = (addr << 16) | NV_WRITE_OP;
204 	nv_cmd |= (__force u16)data;
205 	nv_cmd <<= 5;
206 	for (count = 0; count < 27; count++) {
207 		if (nv_cmd & BIT_31)
208 			qla2x00_nv_write(ha, NVR_DATA_OUT);
209 		else
210 			qla2x00_nv_write(ha, 0);
211 
212 		nv_cmd <<= 1;
213 	}
214 
215 	qla2x00_nv_deselect(ha);
216 
217 	/* Wait for NVRAM to become ready */
218 	wrt_reg_word(&reg->nvram, NVR_SELECT);
219 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
220 	wait_cnt = NVR_WAIT_CNT;
221 	do {
222 		if (!--wait_cnt) {
223 			ql_dbg(ql_dbg_user, vha, 0x708d,
224 			    "NVRAM didn't go ready...\n");
225 			break;
226 		}
227 		NVRAM_DELAY();
228 		word = rd_reg_word(&reg->nvram);
229 	} while ((word & NVR_DATA_IN) == 0);
230 
231 	qla2x00_nv_deselect(ha);
232 
233 	/* Disable writes */
234 	qla2x00_nv_write(ha, NVR_DATA_OUT);
235 	for (count = 0; count < 10; count++)
236 		qla2x00_nv_write(ha, 0);
237 
238 	qla2x00_nv_deselect(ha);
239 }
240 
241 static int
242 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
243 			     __le16 data, uint32_t tmo)
244 {
245 	int ret, count;
246 	uint16_t word;
247 	uint32_t nv_cmd;
248 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
249 
250 	ret = QLA_SUCCESS;
251 
252 	qla2x00_nv_write(ha, NVR_DATA_OUT);
253 	qla2x00_nv_write(ha, 0);
254 	qla2x00_nv_write(ha, 0);
255 
256 	for (word = 0; word < 8; word++)
257 		qla2x00_nv_write(ha, NVR_DATA_OUT);
258 
259 	qla2x00_nv_deselect(ha);
260 
261 	/* Write data */
262 	nv_cmd = (addr << 16) | NV_WRITE_OP;
263 	nv_cmd |= (__force u16)data;
264 	nv_cmd <<= 5;
265 	for (count = 0; count < 27; count++) {
266 		if (nv_cmd & BIT_31)
267 			qla2x00_nv_write(ha, NVR_DATA_OUT);
268 		else
269 			qla2x00_nv_write(ha, 0);
270 
271 		nv_cmd <<= 1;
272 	}
273 
274 	qla2x00_nv_deselect(ha);
275 
276 	/* Wait for NVRAM to become ready */
277 	wrt_reg_word(&reg->nvram, NVR_SELECT);
278 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
279 	do {
280 		NVRAM_DELAY();
281 		word = rd_reg_word(&reg->nvram);
282 		if (!--tmo) {
283 			ret = QLA_FUNCTION_FAILED;
284 			break;
285 		}
286 	} while ((word & NVR_DATA_IN) == 0);
287 
288 	qla2x00_nv_deselect(ha);
289 
290 	/* Disable writes */
291 	qla2x00_nv_write(ha, NVR_DATA_OUT);
292 	for (count = 0; count < 10; count++)
293 		qla2x00_nv_write(ha, 0);
294 
295 	qla2x00_nv_deselect(ha);
296 
297 	return ret;
298 }
299 
300 /**
301  * qla2x00_clear_nvram_protection() -
302  * @ha: HA context
303  */
304 static int
305 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
306 {
307 	int ret, stat;
308 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
309 	uint32_t word, wait_cnt;
310 	__le16 wprot, wprot_old;
311 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
312 
313 	/* Clear NVRAM write protection. */
314 	ret = QLA_FUNCTION_FAILED;
315 
316 	wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
317 	stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
318 					    cpu_to_le16(0x1234), 100000);
319 	wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
320 	if (stat != QLA_SUCCESS || wprot != cpu_to_le16(0x1234)) {
321 		/* Write enable. */
322 		qla2x00_nv_write(ha, NVR_DATA_OUT);
323 		qla2x00_nv_write(ha, 0);
324 		qla2x00_nv_write(ha, 0);
325 		for (word = 0; word < 8; word++)
326 			qla2x00_nv_write(ha, NVR_DATA_OUT);
327 
328 		qla2x00_nv_deselect(ha);
329 
330 		/* Enable protection register. */
331 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
332 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
333 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
334 		for (word = 0; word < 8; word++)
335 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
336 
337 		qla2x00_nv_deselect(ha);
338 
339 		/* Clear protection register (ffff is cleared). */
340 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
341 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
342 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
343 		for (word = 0; word < 8; word++)
344 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
345 
346 		qla2x00_nv_deselect(ha);
347 
348 		/* Wait for NVRAM to become ready. */
349 		wrt_reg_word(&reg->nvram, NVR_SELECT);
350 		rd_reg_word(&reg->nvram);	/* PCI Posting. */
351 		wait_cnt = NVR_WAIT_CNT;
352 		do {
353 			if (!--wait_cnt) {
354 				ql_dbg(ql_dbg_user, vha, 0x708e,
355 				    "NVRAM didn't go ready...\n");
356 				break;
357 			}
358 			NVRAM_DELAY();
359 			word = rd_reg_word(&reg->nvram);
360 		} while ((word & NVR_DATA_IN) == 0);
361 
362 		if (wait_cnt)
363 			ret = QLA_SUCCESS;
364 	} else
365 		qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
366 
367 	return ret;
368 }
369 
370 static void
371 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
372 {
373 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
374 	uint32_t word, wait_cnt;
375 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
376 
377 	if (stat != QLA_SUCCESS)
378 		return;
379 
380 	/* Set NVRAM write protection. */
381 	/* Write enable. */
382 	qla2x00_nv_write(ha, NVR_DATA_OUT);
383 	qla2x00_nv_write(ha, 0);
384 	qla2x00_nv_write(ha, 0);
385 	for (word = 0; word < 8; word++)
386 		qla2x00_nv_write(ha, NVR_DATA_OUT);
387 
388 	qla2x00_nv_deselect(ha);
389 
390 	/* Enable protection register. */
391 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
392 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
393 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
394 	for (word = 0; word < 8; word++)
395 		qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
396 
397 	qla2x00_nv_deselect(ha);
398 
399 	/* Enable protection register. */
400 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
401 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
402 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
403 	for (word = 0; word < 8; word++)
404 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
405 
406 	qla2x00_nv_deselect(ha);
407 
408 	/* Wait for NVRAM to become ready. */
409 	wrt_reg_word(&reg->nvram, NVR_SELECT);
410 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
411 	wait_cnt = NVR_WAIT_CNT;
412 	do {
413 		if (!--wait_cnt) {
414 			ql_dbg(ql_dbg_user, vha, 0x708f,
415 			    "NVRAM didn't go ready...\n");
416 			break;
417 		}
418 		NVRAM_DELAY();
419 		word = rd_reg_word(&reg->nvram);
420 	} while ((word & NVR_DATA_IN) == 0);
421 }
422 
423 
424 /*****************************************************************************/
425 /* Flash Manipulation Routines                                               */
426 /*****************************************************************************/
427 
428 static inline uint32_t
429 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
430 {
431 	return ha->flash_conf_off + faddr;
432 }
433 
434 static inline uint32_t
435 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
436 {
437 	return ha->flash_data_off + faddr;
438 }
439 
440 static inline uint32_t
441 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
442 {
443 	return ha->nvram_conf_off + naddr;
444 }
445 
446 static inline uint32_t
447 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
448 {
449 	return ha->nvram_data_off + naddr;
450 }
451 
452 static int
453 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t *data)
454 {
455 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
456 	ulong cnt = 30000;
457 
458 	wrt_reg_dword(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
459 
460 	while (cnt--) {
461 		if (rd_reg_dword(&reg->flash_addr) & FARX_DATA_FLAG) {
462 			*data = rd_reg_dword(&reg->flash_data);
463 			return QLA_SUCCESS;
464 		}
465 		udelay(10);
466 		cond_resched();
467 	}
468 
469 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
470 	    "Flash read dword at %x timeout.\n", addr);
471 	*data = 0xDEADDEAD;
472 	return QLA_FUNCTION_TIMEOUT;
473 }
474 
475 int
476 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
477     uint32_t dwords)
478 {
479 	ulong i;
480 	int ret = QLA_SUCCESS;
481 	struct qla_hw_data *ha = vha->hw;
482 
483 	/* Dword reads to flash. */
484 	faddr =  flash_data_addr(ha, faddr);
485 	for (i = 0; i < dwords; i++, faddr++, dwptr++) {
486 		ret = qla24xx_read_flash_dword(ha, faddr, dwptr);
487 		if (ret != QLA_SUCCESS)
488 			break;
489 		cpu_to_le32s(dwptr);
490 	}
491 
492 	return ret;
493 }
494 
495 static int
496 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
497 {
498 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
499 	ulong cnt = 500000;
500 
501 	wrt_reg_dword(&reg->flash_data, data);
502 	wrt_reg_dword(&reg->flash_addr, addr | FARX_DATA_FLAG);
503 
504 	while (cnt--) {
505 		if (!(rd_reg_dword(&reg->flash_addr) & FARX_DATA_FLAG))
506 			return QLA_SUCCESS;
507 		udelay(10);
508 		cond_resched();
509 	}
510 
511 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
512 	    "Flash write dword at %x timeout.\n", addr);
513 	return QLA_FUNCTION_TIMEOUT;
514 }
515 
516 static void
517 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
518     uint8_t *flash_id)
519 {
520 	uint32_t faddr, ids = 0;
521 
522 	*man_id = *flash_id = 0;
523 
524 	faddr = flash_conf_addr(ha, 0x03ab);
525 	if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
526 		*man_id = LSB(ids);
527 		*flash_id = MSB(ids);
528 	}
529 
530 	/* Check if man_id and flash_id are valid. */
531 	if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
532 		/* Read information using 0x9f opcode
533 		 * Device ID, Mfg ID would be read in the format:
534 		 *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
535 		 * Example: ATMEL 0x00 01 45 1F
536 		 * Extract MFG and Dev ID from last two bytes.
537 		 */
538 		faddr = flash_conf_addr(ha, 0x009f);
539 		if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
540 			*man_id = LSB(ids);
541 			*flash_id = MSB(ids);
542 		}
543 	}
544 }
545 
546 static int
547 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
548 {
549 	const char *loc, *locations[] = { "DEF", "PCI" };
550 	uint32_t pcihdr, pcids;
551 	uint16_t cnt, chksum;
552 	__le16 *wptr;
553 	struct qla_hw_data *ha = vha->hw;
554 	struct req_que *req = ha->req_q_map[0];
555 	struct qla_flt_location *fltl = (void *)req->ring;
556 	uint32_t *dcode = (uint32_t *)req->ring;
557 	uint8_t *buf = (void *)req->ring, *bcode,  last_image;
558 
559 	/*
560 	 * FLT-location structure resides after the last PCI region.
561 	 */
562 
563 	/* Begin with sane defaults. */
564 	loc = locations[0];
565 	*start = 0;
566 	if (IS_QLA24XX_TYPE(ha))
567 		*start = FA_FLASH_LAYOUT_ADDR_24;
568 	else if (IS_QLA25XX(ha))
569 		*start = FA_FLASH_LAYOUT_ADDR;
570 	else if (IS_QLA81XX(ha))
571 		*start = FA_FLASH_LAYOUT_ADDR_81;
572 	else if (IS_P3P_TYPE(ha)) {
573 		*start = FA_FLASH_LAYOUT_ADDR_82;
574 		goto end;
575 	} else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
576 		*start = FA_FLASH_LAYOUT_ADDR_83;
577 		goto end;
578 	} else if (IS_QLA28XX(ha)) {
579 		*start = FA_FLASH_LAYOUT_ADDR_28;
580 		goto end;
581 	}
582 
583 	/* Begin with first PCI expansion ROM header. */
584 	pcihdr = 0;
585 	do {
586 		/* Verify PCI expansion ROM header. */
587 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
588 		bcode = buf + (pcihdr % 4);
589 		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
590 			goto end;
591 
592 		/* Locate PCI data structure. */
593 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
594 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
595 		bcode = buf + (pcihdr % 4);
596 
597 		/* Validate signature of PCI data structure. */
598 		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
599 		    bcode[0x2] != 'I' || bcode[0x3] != 'R')
600 			goto end;
601 
602 		last_image = bcode[0x15] & BIT_7;
603 
604 		/* Locate next PCI expansion ROM. */
605 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
606 	} while (!last_image);
607 
608 	/* Now verify FLT-location structure. */
609 	qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2);
610 	if (memcmp(fltl->sig, "QFLT", 4))
611 		goto end;
612 
613 	wptr = (__force __le16 *)req->ring;
614 	cnt = sizeof(*fltl) / sizeof(*wptr);
615 	for (chksum = 0; cnt--; wptr++)
616 		chksum += le16_to_cpu(*wptr);
617 	if (chksum) {
618 		ql_log(ql_log_fatal, vha, 0x0045,
619 		    "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
620 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
621 		    fltl, sizeof(*fltl));
622 		return QLA_FUNCTION_FAILED;
623 	}
624 
625 	/* Good data.  Use specified location. */
626 	loc = locations[1];
627 	*start = (le16_to_cpu(fltl->start_hi) << 16 |
628 	    le16_to_cpu(fltl->start_lo)) >> 2;
629 end:
630 	ql_dbg(ql_dbg_init, vha, 0x0046,
631 	    "FLTL[%s] = 0x%x.\n",
632 	    loc, *start);
633 	return QLA_SUCCESS;
634 }
635 
636 static void
637 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
638 {
639 	const char *locations[] = { "DEF", "FLT" }, *loc = locations[1];
640 	const uint32_t def_fw[] =
641 		{ FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
642 	const uint32_t def_boot[] =
643 		{ FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
644 	const uint32_t def_vpd_nvram[] =
645 		{ FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
646 	const uint32_t def_vpd0[] =
647 		{ 0, 0, FA_VPD0_ADDR_81 };
648 	const uint32_t def_vpd1[] =
649 		{ 0, 0, FA_VPD1_ADDR_81 };
650 	const uint32_t def_nvram0[] =
651 		{ 0, 0, FA_NVRAM0_ADDR_81 };
652 	const uint32_t def_nvram1[] =
653 		{ 0, 0, FA_NVRAM1_ADDR_81 };
654 	const uint32_t def_fdt[] =
655 		{ FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
656 			FA_FLASH_DESCR_ADDR_81 };
657 	const uint32_t def_npiv_conf0[] =
658 		{ FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
659 			FA_NPIV_CONF0_ADDR_81 };
660 	const uint32_t def_npiv_conf1[] =
661 		{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
662 			FA_NPIV_CONF1_ADDR_81 };
663 	const uint32_t fcp_prio_cfg0[] =
664 		{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
665 			0 };
666 	const uint32_t fcp_prio_cfg1[] =
667 		{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
668 			0 };
669 
670 	struct qla_hw_data *ha = vha->hw;
671 	uint32_t def = IS_QLA81XX(ha) ? 2 : IS_QLA25XX(ha) ? 1 : 0;
672 	struct qla_flt_header *flt = ha->flt;
673 	struct qla_flt_region *region = &flt->region[0];
674 	__le16 *wptr;
675 	uint16_t cnt, chksum;
676 	uint32_t start;
677 
678 	/* Assign FCP prio region since older adapters may not have FLT, or
679 	   FCP prio region in it's FLT.
680 	 */
681 	ha->flt_region_fcp_prio = (ha->port_no == 0) ?
682 	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
683 
684 	ha->flt_region_flt = flt_addr;
685 	wptr = (__force __le16 *)ha->flt;
686 	ha->isp_ops->read_optrom(vha, flt, flt_addr << 2,
687 	    (sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE));
688 
689 	if (le16_to_cpu(*wptr) == 0xffff)
690 		goto no_flash_data;
691 	if (flt->version != cpu_to_le16(1)) {
692 		ql_log(ql_log_warn, vha, 0x0047,
693 		    "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
694 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
695 		    le16_to_cpu(flt->checksum));
696 		goto no_flash_data;
697 	}
698 
699 	cnt = (sizeof(*flt) + le16_to_cpu(flt->length)) / sizeof(*wptr);
700 	for (chksum = 0; cnt--; wptr++)
701 		chksum += le16_to_cpu(*wptr);
702 	if (chksum) {
703 		ql_log(ql_log_fatal, vha, 0x0048,
704 		    "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
705 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
706 		    le16_to_cpu(flt->checksum));
707 		goto no_flash_data;
708 	}
709 
710 	cnt = le16_to_cpu(flt->length) / sizeof(*region);
711 	for ( ; cnt; cnt--, region++) {
712 		/* Store addresses as DWORD offsets. */
713 		start = le32_to_cpu(region->start) >> 2;
714 		ql_dbg(ql_dbg_init, vha, 0x0049,
715 		    "FLT[%#x]: start=%#x end=%#x size=%#x.\n",
716 		    le16_to_cpu(region->code), start,
717 		    le32_to_cpu(region->end) >> 2,
718 		    le32_to_cpu(region->size) >> 2);
719 		if (region->attribute)
720 			ql_log(ql_dbg_init, vha, 0xffff,
721 			    "Region %x is secure\n", region->code);
722 
723 		switch (le16_to_cpu(region->code)) {
724 		case FLT_REG_FCOE_FW:
725 			if (!IS_QLA8031(ha))
726 				break;
727 			ha->flt_region_fw = start;
728 			break;
729 		case FLT_REG_FW:
730 			if (IS_QLA8031(ha))
731 				break;
732 			ha->flt_region_fw = start;
733 			break;
734 		case FLT_REG_BOOT_CODE:
735 			ha->flt_region_boot = start;
736 			break;
737 		case FLT_REG_VPD_0:
738 			if (IS_QLA8031(ha))
739 				break;
740 			ha->flt_region_vpd_nvram = start;
741 			if (IS_P3P_TYPE(ha))
742 				break;
743 			if (ha->port_no == 0)
744 				ha->flt_region_vpd = start;
745 			break;
746 		case FLT_REG_VPD_1:
747 			if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
748 				break;
749 			if (ha->port_no == 1)
750 				ha->flt_region_vpd = start;
751 			break;
752 		case FLT_REG_VPD_2:
753 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
754 				break;
755 			if (ha->port_no == 2)
756 				ha->flt_region_vpd = start;
757 			break;
758 		case FLT_REG_VPD_3:
759 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
760 				break;
761 			if (ha->port_no == 3)
762 				ha->flt_region_vpd = start;
763 			break;
764 		case FLT_REG_NVRAM_0:
765 			if (IS_QLA8031(ha))
766 				break;
767 			if (ha->port_no == 0)
768 				ha->flt_region_nvram = start;
769 			break;
770 		case FLT_REG_NVRAM_1:
771 			if (IS_QLA8031(ha))
772 				break;
773 			if (ha->port_no == 1)
774 				ha->flt_region_nvram = start;
775 			break;
776 		case FLT_REG_NVRAM_2:
777 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
778 				break;
779 			if (ha->port_no == 2)
780 				ha->flt_region_nvram = start;
781 			break;
782 		case FLT_REG_NVRAM_3:
783 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
784 				break;
785 			if (ha->port_no == 3)
786 				ha->flt_region_nvram = start;
787 			break;
788 		case FLT_REG_FDT:
789 			ha->flt_region_fdt = start;
790 			break;
791 		case FLT_REG_NPIV_CONF_0:
792 			if (ha->port_no == 0)
793 				ha->flt_region_npiv_conf = start;
794 			break;
795 		case FLT_REG_NPIV_CONF_1:
796 			if (ha->port_no == 1)
797 				ha->flt_region_npiv_conf = start;
798 			break;
799 		case FLT_REG_GOLD_FW:
800 			ha->flt_region_gold_fw = start;
801 			break;
802 		case FLT_REG_FCP_PRIO_0:
803 			if (ha->port_no == 0)
804 				ha->flt_region_fcp_prio = start;
805 			break;
806 		case FLT_REG_FCP_PRIO_1:
807 			if (ha->port_no == 1)
808 				ha->flt_region_fcp_prio = start;
809 			break;
810 		case FLT_REG_BOOT_CODE_82XX:
811 			ha->flt_region_boot = start;
812 			break;
813 		case FLT_REG_BOOT_CODE_8044:
814 			if (IS_QLA8044(ha))
815 				ha->flt_region_boot = start;
816 			break;
817 		case FLT_REG_FW_82XX:
818 			ha->flt_region_fw = start;
819 			break;
820 		case FLT_REG_CNA_FW:
821 			if (IS_CNA_CAPABLE(ha))
822 				ha->flt_region_fw = start;
823 			break;
824 		case FLT_REG_GOLD_FW_82XX:
825 			ha->flt_region_gold_fw = start;
826 			break;
827 		case FLT_REG_BOOTLOAD_82XX:
828 			ha->flt_region_bootload = start;
829 			break;
830 		case FLT_REG_VPD_8XXX:
831 			if (IS_CNA_CAPABLE(ha))
832 				ha->flt_region_vpd = start;
833 			break;
834 		case FLT_REG_FCOE_NVRAM_0:
835 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
836 				break;
837 			if (ha->port_no == 0)
838 				ha->flt_region_nvram = start;
839 			break;
840 		case FLT_REG_FCOE_NVRAM_1:
841 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
842 				break;
843 			if (ha->port_no == 1)
844 				ha->flt_region_nvram = start;
845 			break;
846 		case FLT_REG_IMG_PRI_27XX:
847 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
848 				ha->flt_region_img_status_pri = start;
849 			break;
850 		case FLT_REG_IMG_SEC_27XX:
851 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
852 				ha->flt_region_img_status_sec = start;
853 			break;
854 		case FLT_REG_FW_SEC_27XX:
855 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
856 				ha->flt_region_fw_sec = start;
857 			break;
858 		case FLT_REG_BOOTLOAD_SEC_27XX:
859 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
860 				ha->flt_region_boot_sec = start;
861 			break;
862 		case FLT_REG_AUX_IMG_PRI_28XX:
863 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
864 				ha->flt_region_aux_img_status_pri = start;
865 			break;
866 		case FLT_REG_AUX_IMG_SEC_28XX:
867 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
868 				ha->flt_region_aux_img_status_sec = start;
869 			break;
870 		case FLT_REG_NVRAM_SEC_28XX_0:
871 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
872 				if (ha->port_no == 0)
873 					ha->flt_region_nvram_sec = start;
874 			break;
875 		case FLT_REG_NVRAM_SEC_28XX_1:
876 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
877 				if (ha->port_no == 1)
878 					ha->flt_region_nvram_sec = start;
879 			break;
880 		case FLT_REG_NVRAM_SEC_28XX_2:
881 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
882 				if (ha->port_no == 2)
883 					ha->flt_region_nvram_sec = start;
884 			break;
885 		case FLT_REG_NVRAM_SEC_28XX_3:
886 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
887 				if (ha->port_no == 3)
888 					ha->flt_region_nvram_sec = start;
889 			break;
890 		case FLT_REG_VPD_SEC_27XX_0:
891 		case FLT_REG_VPD_SEC_28XX_0:
892 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
893 				ha->flt_region_vpd_nvram_sec = start;
894 				if (ha->port_no == 0)
895 					ha->flt_region_vpd_sec = start;
896 			}
897 			break;
898 		case FLT_REG_VPD_SEC_27XX_1:
899 		case FLT_REG_VPD_SEC_28XX_1:
900 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
901 				if (ha->port_no == 1)
902 					ha->flt_region_vpd_sec = start;
903 			break;
904 		case FLT_REG_VPD_SEC_27XX_2:
905 		case FLT_REG_VPD_SEC_28XX_2:
906 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
907 				if (ha->port_no == 2)
908 					ha->flt_region_vpd_sec = start;
909 			break;
910 		case FLT_REG_VPD_SEC_27XX_3:
911 		case FLT_REG_VPD_SEC_28XX_3:
912 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
913 				if (ha->port_no == 3)
914 					ha->flt_region_vpd_sec = start;
915 			break;
916 		}
917 	}
918 	goto done;
919 
920 no_flash_data:
921 	/* Use hardcoded defaults. */
922 	loc = locations[0];
923 	ha->flt_region_fw = def_fw[def];
924 	ha->flt_region_boot = def_boot[def];
925 	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
926 	ha->flt_region_vpd = (ha->port_no == 0) ?
927 	    def_vpd0[def] : def_vpd1[def];
928 	ha->flt_region_nvram = (ha->port_no == 0) ?
929 	    def_nvram0[def] : def_nvram1[def];
930 	ha->flt_region_fdt = def_fdt[def];
931 	ha->flt_region_npiv_conf = (ha->port_no == 0) ?
932 	    def_npiv_conf0[def] : def_npiv_conf1[def];
933 done:
934 	ql_dbg(ql_dbg_init, vha, 0x004a,
935 	    "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
936 	    "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
937 	    loc, ha->flt_region_boot, ha->flt_region_fw,
938 	    ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
939 	    ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
940 	    ha->flt_region_fcp_prio);
941 }
942 
943 static void
944 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
945 {
946 #define FLASH_BLK_SIZE_4K	0x1000
947 #define FLASH_BLK_SIZE_32K	0x8000
948 #define FLASH_BLK_SIZE_64K	0x10000
949 	const char *loc, *locations[] = { "MID", "FDT" };
950 	struct qla_hw_data *ha = vha->hw;
951 	struct req_que *req = ha->req_q_map[0];
952 	uint16_t cnt, chksum;
953 	__le16 *wptr = (__force __le16 *)req->ring;
954 	struct qla_fdt_layout *fdt = (struct qla_fdt_layout *)req->ring;
955 	uint8_t	man_id, flash_id;
956 	uint16_t mid = 0, fid = 0;
957 
958 	ha->isp_ops->read_optrom(vha, fdt, ha->flt_region_fdt << 2,
959 	    OPTROM_BURST_DWORDS);
960 	if (le16_to_cpu(*wptr) == 0xffff)
961 		goto no_flash_data;
962 	if (memcmp(fdt->sig, "QLID", 4))
963 		goto no_flash_data;
964 
965 	for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
966 		chksum += le16_to_cpu(*wptr);
967 	if (chksum) {
968 		ql_dbg(ql_dbg_init, vha, 0x004c,
969 		    "Inconsistent FDT detected:"
970 		    " checksum=0x%x id=%c version0x%x.\n", chksum,
971 		    fdt->sig[0], le16_to_cpu(fdt->version));
972 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
973 		    fdt, sizeof(*fdt));
974 		goto no_flash_data;
975 	}
976 
977 	loc = locations[1];
978 	mid = le16_to_cpu(fdt->man_id);
979 	fid = le16_to_cpu(fdt->id);
980 	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
981 	ha->fdt_wrt_enable = fdt->wrt_enable_bits;
982 	ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
983 	if (IS_QLA8044(ha))
984 		ha->fdt_erase_cmd = fdt->erase_cmd;
985 	else
986 		ha->fdt_erase_cmd =
987 		    flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
988 	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
989 	if (fdt->unprotect_sec_cmd) {
990 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
991 		    fdt->unprotect_sec_cmd);
992 		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
993 		    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd) :
994 		    flash_conf_addr(ha, 0x0336);
995 	}
996 	goto done;
997 no_flash_data:
998 	loc = locations[0];
999 	if (IS_P3P_TYPE(ha)) {
1000 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1001 		goto done;
1002 	}
1003 	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
1004 	mid = man_id;
1005 	fid = flash_id;
1006 	ha->fdt_wrt_disable = 0x9c;
1007 	ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
1008 	switch (man_id) {
1009 	case 0xbf: /* STT flash. */
1010 		if (flash_id == 0x8e)
1011 			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1012 		else
1013 			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
1014 
1015 		if (flash_id == 0x80)
1016 			ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
1017 		break;
1018 	case 0x13: /* ST M25P80. */
1019 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1020 		break;
1021 	case 0x1f: /* Atmel 26DF081A. */
1022 		ha->fdt_block_size = FLASH_BLK_SIZE_4K;
1023 		ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
1024 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
1025 		ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
1026 		break;
1027 	default:
1028 		/* Default to 64 kb sector size. */
1029 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1030 		break;
1031 	}
1032 done:
1033 	ql_dbg(ql_dbg_init, vha, 0x004d,
1034 	    "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1035 	    "pr=%x wrtd=0x%x blk=0x%x.\n",
1036 	    loc, mid, fid,
1037 	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1038 	    ha->fdt_wrt_disable, ha->fdt_block_size);
1039 
1040 }
1041 
1042 static void
1043 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1044 {
1045 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1046 	__le32 *wptr;
1047 	struct qla_hw_data *ha = vha->hw;
1048 	struct req_que *req = ha->req_q_map[0];
1049 
1050 	if (!(IS_P3P_TYPE(ha)))
1051 		return;
1052 
1053 	wptr = (__force __le32 *)req->ring;
1054 	ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
1055 
1056 	if (*wptr == cpu_to_le32(0xffffffff)) {
1057 		ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1058 		ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1059 	} else {
1060 		ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1061 		wptr++;
1062 		ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1063 	}
1064 	ql_dbg(ql_dbg_init, vha, 0x004e,
1065 	    "fcoe_dev_init_timeout=%d "
1066 	    "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1067 	    ha->fcoe_reset_timeout);
1068 	return;
1069 }
1070 
1071 int
1072 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1073 {
1074 	int ret;
1075 	uint32_t flt_addr;
1076 	struct qla_hw_data *ha = vha->hw;
1077 
1078 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1079 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
1080 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1081 		return QLA_SUCCESS;
1082 
1083 	ret = qla2xxx_find_flt_start(vha, &flt_addr);
1084 	if (ret != QLA_SUCCESS)
1085 		return ret;
1086 
1087 	qla2xxx_get_flt_info(vha, flt_addr);
1088 	qla2xxx_get_fdt_info(vha);
1089 	qla2xxx_get_idc_param(vha);
1090 
1091 	return QLA_SUCCESS;
1092 }
1093 
1094 void
1095 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1096 {
1097 #define NPIV_CONFIG_SIZE	(16*1024)
1098 	void *data;
1099 	__le16 *wptr;
1100 	uint16_t cnt, chksum;
1101 	int i;
1102 	struct qla_npiv_header hdr;
1103 	struct qla_npiv_entry *entry;
1104 	struct qla_hw_data *ha = vha->hw;
1105 
1106 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1107 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1108 		return;
1109 
1110 	if (ha->flags.nic_core_reset_hdlr_active)
1111 		return;
1112 
1113 	if (IS_QLA8044(ha))
1114 		return;
1115 
1116 	ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
1117 	    sizeof(struct qla_npiv_header));
1118 	if (hdr.version == cpu_to_le16(0xffff))
1119 		return;
1120 	if (hdr.version != cpu_to_le16(1)) {
1121 		ql_dbg(ql_dbg_user, vha, 0x7090,
1122 		    "Unsupported NPIV-Config "
1123 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1124 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1125 		    le16_to_cpu(hdr.checksum));
1126 		return;
1127 	}
1128 
1129 	data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1130 	if (!data) {
1131 		ql_log(ql_log_warn, vha, 0x7091,
1132 		    "Unable to allocate memory for data.\n");
1133 		return;
1134 	}
1135 
1136 	ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
1137 	    NPIV_CONFIG_SIZE);
1138 
1139 	cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1140 	for (wptr = data, chksum = 0; cnt--; wptr++)
1141 		chksum += le16_to_cpu(*wptr);
1142 	if (chksum) {
1143 		ql_dbg(ql_dbg_user, vha, 0x7092,
1144 		    "Inconsistent NPIV-Config "
1145 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1146 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1147 		    le16_to_cpu(hdr.checksum));
1148 		goto done;
1149 	}
1150 
1151 	entry = data + sizeof(struct qla_npiv_header);
1152 	cnt = le16_to_cpu(hdr.entries);
1153 	for (i = 0; cnt; cnt--, entry++, i++) {
1154 		uint16_t flags;
1155 		struct fc_vport_identifiers vid;
1156 		struct fc_vport *vport;
1157 
1158 		memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1159 
1160 		flags = le16_to_cpu(entry->flags);
1161 		if (flags == 0xffff)
1162 			continue;
1163 		if ((flags & BIT_0) == 0)
1164 			continue;
1165 
1166 		memset(&vid, 0, sizeof(vid));
1167 		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1168 		vid.vport_type = FC_PORTTYPE_NPIV;
1169 		vid.disable = false;
1170 		vid.port_name = wwn_to_u64(entry->port_name);
1171 		vid.node_name = wwn_to_u64(entry->node_name);
1172 
1173 		ql_dbg(ql_dbg_user, vha, 0x7093,
1174 		    "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
1175 		    cnt, vid.port_name, vid.node_name,
1176 		    le16_to_cpu(entry->vf_id),
1177 		    entry->q_qos, entry->f_qos);
1178 
1179 		if (i < QLA_PRECONFIG_VPORTS) {
1180 			vport = fc_vport_create(vha->host, 0, &vid);
1181 			if (!vport)
1182 				ql_log(ql_log_warn, vha, 0x7094,
1183 				    "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
1184 				    cnt, vid.port_name, vid.node_name);
1185 		}
1186 	}
1187 done:
1188 	kfree(data);
1189 }
1190 
1191 static int
1192 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1193 {
1194 	struct qla_hw_data *ha = vha->hw;
1195 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1196 
1197 	if (ha->flags.fac_supported)
1198 		return qla81xx_fac_do_write_enable(vha, 1);
1199 
1200 	/* Enable flash write. */
1201 	wrt_reg_dword(&reg->ctrl_status,
1202 	    rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1203 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1204 
1205 	if (!ha->fdt_wrt_disable)
1206 		goto done;
1207 
1208 	/* Disable flash write-protection, first clear SR protection bit */
1209 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1210 	/* Then write zero again to clear remaining SR bits.*/
1211 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1212 done:
1213 	return QLA_SUCCESS;
1214 }
1215 
1216 static int
1217 qla24xx_protect_flash(scsi_qla_host_t *vha)
1218 {
1219 	struct qla_hw_data *ha = vha->hw;
1220 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1221 	ulong cnt = 300;
1222 	uint32_t faddr, dword;
1223 
1224 	if (ha->flags.fac_supported)
1225 		return qla81xx_fac_do_write_enable(vha, 0);
1226 
1227 	if (!ha->fdt_wrt_disable)
1228 		goto skip_wrt_protect;
1229 
1230 	/* Enable flash write-protection and wait for completion. */
1231 	faddr = flash_conf_addr(ha, 0x101);
1232 	qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
1233 	faddr = flash_conf_addr(ha, 0x5);
1234 	while (cnt--) {
1235 		if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
1236 			if (!(dword & BIT_0))
1237 				break;
1238 		}
1239 		udelay(10);
1240 	}
1241 
1242 skip_wrt_protect:
1243 	/* Disable flash write. */
1244 	wrt_reg_dword(&reg->ctrl_status,
1245 	    rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1246 
1247 	return QLA_SUCCESS;
1248 }
1249 
1250 static int
1251 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1252 {
1253 	struct qla_hw_data *ha = vha->hw;
1254 	uint32_t start, finish;
1255 
1256 	if (ha->flags.fac_supported) {
1257 		start = fdata >> 2;
1258 		finish = start + (ha->fdt_block_size >> 2) - 1;
1259 		return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1260 		    start), flash_data_addr(ha, finish));
1261 	}
1262 
1263 	return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1264 	    (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1265 	    ((fdata >> 16) & 0xff));
1266 }
1267 
1268 static int
1269 qla24xx_write_flash_data(scsi_qla_host_t *vha, __le32 *dwptr, uint32_t faddr,
1270     uint32_t dwords)
1271 {
1272 	int ret;
1273 	ulong liter;
1274 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
1275 	uint32_t sec_mask, rest_addr, fdata;
1276 	dma_addr_t optrom_dma;
1277 	void *optrom = NULL;
1278 	struct qla_hw_data *ha = vha->hw;
1279 
1280 	if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1281 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1282 		goto next;
1283 
1284 	/* Allocate dma buffer for burst write */
1285 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1286 	    &optrom_dma, GFP_KERNEL);
1287 	if (!optrom) {
1288 		ql_log(ql_log_warn, vha, 0x7095,
1289 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
1290 	}
1291 
1292 next:
1293 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1294 	    "Unprotect flash...\n");
1295 	ret = qla24xx_unprotect_flash(vha);
1296 	if (ret) {
1297 		ql_log(ql_log_warn, vha, 0x7096,
1298 		    "Failed to unprotect flash.\n");
1299 		goto done;
1300 	}
1301 
1302 	rest_addr = (ha->fdt_block_size >> 2) - 1;
1303 	sec_mask = ~rest_addr;
1304 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1305 		fdata = (faddr & sec_mask) << 2;
1306 
1307 		/* Are we at the beginning of a sector? */
1308 		if (!(faddr & rest_addr)) {
1309 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1310 			    "Erase sector %#x...\n", faddr);
1311 
1312 			ret = qla24xx_erase_sector(vha, fdata);
1313 			if (ret) {
1314 				ql_dbg(ql_dbg_user, vha, 0x7007,
1315 				    "Failed to erase sector %x.\n", faddr);
1316 				break;
1317 			}
1318 		}
1319 
1320 		if (optrom) {
1321 			/* If smaller than a burst remaining */
1322 			if (dwords - liter < dburst)
1323 				dburst = dwords - liter;
1324 
1325 			/* Copy to dma buffer */
1326 			memcpy(optrom, dwptr, dburst << 2);
1327 
1328 			/* Burst write */
1329 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1330 			    "Write burst (%#lx dwords)...\n", dburst);
1331 			ret = qla2x00_load_ram(vha, optrom_dma,
1332 			    flash_data_addr(ha, faddr), dburst);
1333 			if (!ret) {
1334 				liter += dburst - 1;
1335 				faddr += dburst - 1;
1336 				dwptr += dburst - 1;
1337 				continue;
1338 			}
1339 
1340 			ql_log(ql_log_warn, vha, 0x7097,
1341 			    "Failed burst-write at %x (%p/%#llx)....\n",
1342 			    flash_data_addr(ha, faddr), optrom,
1343 			    (u64)optrom_dma);
1344 
1345 			dma_free_coherent(&ha->pdev->dev,
1346 			    OPTROM_BURST_SIZE, optrom, optrom_dma);
1347 			optrom = NULL;
1348 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
1349 				break;
1350 			ql_log(ql_log_warn, vha, 0x7098,
1351 			    "Reverting to slow write...\n");
1352 		}
1353 
1354 		/* Slow write */
1355 		ret = qla24xx_write_flash_dword(ha,
1356 		    flash_data_addr(ha, faddr), le32_to_cpu(*dwptr));
1357 		if (ret) {
1358 			ql_dbg(ql_dbg_user, vha, 0x7006,
1359 			    "Failed slopw write %x (%x)\n", faddr, *dwptr);
1360 			break;
1361 		}
1362 	}
1363 
1364 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1365 	    "Protect flash...\n");
1366 	ret = qla24xx_protect_flash(vha);
1367 	if (ret)
1368 		ql_log(ql_log_warn, vha, 0x7099,
1369 		    "Failed to protect flash\n");
1370 done:
1371 	if (optrom)
1372 		dma_free_coherent(&ha->pdev->dev,
1373 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
1374 
1375 	return ret;
1376 }
1377 
1378 uint8_t *
1379 qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1380     uint32_t bytes)
1381 {
1382 	uint32_t i;
1383 	__le16 *wptr;
1384 	struct qla_hw_data *ha = vha->hw;
1385 
1386 	/* Word reads to NVRAM via registers. */
1387 	wptr = buf;
1388 	qla2x00_lock_nvram_access(ha);
1389 	for (i = 0; i < bytes >> 1; i++, naddr++)
1390 		wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1391 		    naddr));
1392 	qla2x00_unlock_nvram_access(ha);
1393 
1394 	return buf;
1395 }
1396 
1397 uint8_t *
1398 qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1399     uint32_t bytes)
1400 {
1401 	struct qla_hw_data *ha = vha->hw;
1402 	uint32_t *dwptr = buf;
1403 	uint32_t i;
1404 
1405 	if (IS_P3P_TYPE(ha))
1406 		return  buf;
1407 
1408 	/* Dword reads to flash. */
1409 	naddr = nvram_data_addr(ha, naddr);
1410 	bytes >>= 2;
1411 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1412 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1413 			break;
1414 		cpu_to_le32s(dwptr);
1415 	}
1416 
1417 	return buf;
1418 }
1419 
1420 int
1421 qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1422     uint32_t bytes)
1423 {
1424 	int ret, stat;
1425 	uint32_t i;
1426 	uint16_t *wptr;
1427 	unsigned long flags;
1428 	struct qla_hw_data *ha = vha->hw;
1429 
1430 	ret = QLA_SUCCESS;
1431 
1432 	spin_lock_irqsave(&ha->hardware_lock, flags);
1433 	qla2x00_lock_nvram_access(ha);
1434 
1435 	/* Disable NVRAM write-protection. */
1436 	stat = qla2x00_clear_nvram_protection(ha);
1437 
1438 	wptr = (uint16_t *)buf;
1439 	for (i = 0; i < bytes >> 1; i++, naddr++) {
1440 		qla2x00_write_nvram_word(ha, naddr,
1441 		    cpu_to_le16(*wptr));
1442 		wptr++;
1443 	}
1444 
1445 	/* Enable NVRAM write-protection. */
1446 	qla2x00_set_nvram_protection(ha, stat);
1447 
1448 	qla2x00_unlock_nvram_access(ha);
1449 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1450 
1451 	return ret;
1452 }
1453 
1454 int
1455 qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1456     uint32_t bytes)
1457 {
1458 	struct qla_hw_data *ha = vha->hw;
1459 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1460 	__le32 *dwptr = buf;
1461 	uint32_t i;
1462 	int ret;
1463 
1464 	ret = QLA_SUCCESS;
1465 
1466 	if (IS_P3P_TYPE(ha))
1467 		return ret;
1468 
1469 	/* Enable flash write. */
1470 	wrt_reg_dword(&reg->ctrl_status,
1471 	    rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1472 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1473 
1474 	/* Disable NVRAM write-protection. */
1475 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1476 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1477 
1478 	/* Dword writes to flash. */
1479 	naddr = nvram_data_addr(ha, naddr);
1480 	bytes >>= 2;
1481 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1482 		if (qla24xx_write_flash_dword(ha, naddr, le32_to_cpu(*dwptr))) {
1483 			ql_dbg(ql_dbg_user, vha, 0x709a,
1484 			    "Unable to program nvram address=%x data=%x.\n",
1485 			    naddr, *dwptr);
1486 			break;
1487 		}
1488 	}
1489 
1490 	/* Enable NVRAM write-protection. */
1491 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1492 
1493 	/* Disable flash write. */
1494 	wrt_reg_dword(&reg->ctrl_status,
1495 	    rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1496 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1497 
1498 	return ret;
1499 }
1500 
1501 uint8_t *
1502 qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1503     uint32_t bytes)
1504 {
1505 	struct qla_hw_data *ha = vha->hw;
1506 	uint32_t *dwptr = buf;
1507 	uint32_t i;
1508 
1509 	/* Dword reads to flash. */
1510 	naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
1511 	bytes >>= 2;
1512 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1513 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1514 			break;
1515 
1516 		cpu_to_le32s(dwptr);
1517 	}
1518 
1519 	return buf;
1520 }
1521 
1522 #define RMW_BUFFER_SIZE	(64 * 1024)
1523 int
1524 qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1525     uint32_t bytes)
1526 {
1527 	struct qla_hw_data *ha = vha->hw;
1528 	uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
1529 
1530 	if (!dbuf)
1531 		return QLA_MEMORY_ALLOC_FAILED;
1532 	ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1533 	    RMW_BUFFER_SIZE);
1534 	memcpy(dbuf + (naddr << 2), buf, bytes);
1535 	ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1536 	    RMW_BUFFER_SIZE);
1537 	vfree(dbuf);
1538 
1539 	return QLA_SUCCESS;
1540 }
1541 
1542 static inline void
1543 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1544 {
1545 	if (IS_QLA2322(ha)) {
1546 		/* Flip all colors. */
1547 		if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1548 			/* Turn off. */
1549 			ha->beacon_color_state = 0;
1550 			*pflags = GPIO_LED_ALL_OFF;
1551 		} else {
1552 			/* Turn on. */
1553 			ha->beacon_color_state = QLA_LED_ALL_ON;
1554 			*pflags = GPIO_LED_RGA_ON;
1555 		}
1556 	} else {
1557 		/* Flip green led only. */
1558 		if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1559 			/* Turn off. */
1560 			ha->beacon_color_state = 0;
1561 			*pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1562 		} else {
1563 			/* Turn on. */
1564 			ha->beacon_color_state = QLA_LED_GRN_ON;
1565 			*pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1566 		}
1567 	}
1568 }
1569 
1570 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1571 
1572 void
1573 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1574 {
1575 	uint16_t gpio_enable;
1576 	uint16_t gpio_data;
1577 	uint16_t led_color = 0;
1578 	unsigned long flags;
1579 	struct qla_hw_data *ha = vha->hw;
1580 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1581 
1582 	if (IS_P3P_TYPE(ha))
1583 		return;
1584 
1585 	spin_lock_irqsave(&ha->hardware_lock, flags);
1586 
1587 	/* Save the Original GPIOE. */
1588 	if (ha->pio_address) {
1589 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1590 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1591 	} else {
1592 		gpio_enable = rd_reg_word(&reg->gpioe);
1593 		gpio_data = rd_reg_word(&reg->gpiod);
1594 	}
1595 
1596 	/* Set the modified gpio_enable values */
1597 	gpio_enable |= GPIO_LED_MASK;
1598 
1599 	if (ha->pio_address) {
1600 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1601 	} else {
1602 		wrt_reg_word(&reg->gpioe, gpio_enable);
1603 		rd_reg_word(&reg->gpioe);
1604 	}
1605 
1606 	qla2x00_flip_colors(ha, &led_color);
1607 
1608 	/* Clear out any previously set LED color. */
1609 	gpio_data &= ~GPIO_LED_MASK;
1610 
1611 	/* Set the new input LED color to GPIOD. */
1612 	gpio_data |= led_color;
1613 
1614 	/* Set the modified gpio_data values */
1615 	if (ha->pio_address) {
1616 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1617 	} else {
1618 		wrt_reg_word(&reg->gpiod, gpio_data);
1619 		rd_reg_word(&reg->gpiod);
1620 	}
1621 
1622 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1623 }
1624 
1625 int
1626 qla2x00_beacon_on(struct scsi_qla_host *vha)
1627 {
1628 	uint16_t gpio_enable;
1629 	uint16_t gpio_data;
1630 	unsigned long flags;
1631 	struct qla_hw_data *ha = vha->hw;
1632 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1633 
1634 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1635 	ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1636 
1637 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1638 		ql_log(ql_log_warn, vha, 0x709b,
1639 		    "Unable to update fw options (beacon on).\n");
1640 		return QLA_FUNCTION_FAILED;
1641 	}
1642 
1643 	/* Turn off LEDs. */
1644 	spin_lock_irqsave(&ha->hardware_lock, flags);
1645 	if (ha->pio_address) {
1646 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1647 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1648 	} else {
1649 		gpio_enable = rd_reg_word(&reg->gpioe);
1650 		gpio_data = rd_reg_word(&reg->gpiod);
1651 	}
1652 	gpio_enable |= GPIO_LED_MASK;
1653 
1654 	/* Set the modified gpio_enable values. */
1655 	if (ha->pio_address) {
1656 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1657 	} else {
1658 		wrt_reg_word(&reg->gpioe, gpio_enable);
1659 		rd_reg_word(&reg->gpioe);
1660 	}
1661 
1662 	/* Clear out previously set LED colour. */
1663 	gpio_data &= ~GPIO_LED_MASK;
1664 	if (ha->pio_address) {
1665 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1666 	} else {
1667 		wrt_reg_word(&reg->gpiod, gpio_data);
1668 		rd_reg_word(&reg->gpiod);
1669 	}
1670 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1671 
1672 	/*
1673 	 * Let the per HBA timer kick off the blinking process based on
1674 	 * the following flags. No need to do anything else now.
1675 	 */
1676 	ha->beacon_blink_led = 1;
1677 	ha->beacon_color_state = 0;
1678 
1679 	return QLA_SUCCESS;
1680 }
1681 
1682 int
1683 qla2x00_beacon_off(struct scsi_qla_host *vha)
1684 {
1685 	int rval = QLA_SUCCESS;
1686 	struct qla_hw_data *ha = vha->hw;
1687 
1688 	ha->beacon_blink_led = 0;
1689 
1690 	/* Set the on flag so when it gets flipped it will be off. */
1691 	if (IS_QLA2322(ha))
1692 		ha->beacon_color_state = QLA_LED_ALL_ON;
1693 	else
1694 		ha->beacon_color_state = QLA_LED_GRN_ON;
1695 
1696 	ha->isp_ops->beacon_blink(vha);	/* This turns green LED off */
1697 
1698 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1699 	ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1700 
1701 	rval = qla2x00_set_fw_options(vha, ha->fw_options);
1702 	if (rval != QLA_SUCCESS)
1703 		ql_log(ql_log_warn, vha, 0x709c,
1704 		    "Unable to update fw options (beacon off).\n");
1705 	return rval;
1706 }
1707 
1708 
1709 static inline void
1710 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1711 {
1712 	/* Flip all colors. */
1713 	if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1714 		/* Turn off. */
1715 		ha->beacon_color_state = 0;
1716 		*pflags = 0;
1717 	} else {
1718 		/* Turn on. */
1719 		ha->beacon_color_state = QLA_LED_ALL_ON;
1720 		*pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1721 	}
1722 }
1723 
1724 void
1725 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1726 {
1727 	uint16_t led_color = 0;
1728 	uint32_t gpio_data;
1729 	unsigned long flags;
1730 	struct qla_hw_data *ha = vha->hw;
1731 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1732 
1733 	/* Save the Original GPIOD. */
1734 	spin_lock_irqsave(&ha->hardware_lock, flags);
1735 	gpio_data = rd_reg_dword(&reg->gpiod);
1736 
1737 	/* Enable the gpio_data reg for update. */
1738 	gpio_data |= GPDX_LED_UPDATE_MASK;
1739 
1740 	wrt_reg_dword(&reg->gpiod, gpio_data);
1741 	gpio_data = rd_reg_dword(&reg->gpiod);
1742 
1743 	/* Set the color bits. */
1744 	qla24xx_flip_colors(ha, &led_color);
1745 
1746 	/* Clear out any previously set LED color. */
1747 	gpio_data &= ~GPDX_LED_COLOR_MASK;
1748 
1749 	/* Set the new input LED color to GPIOD. */
1750 	gpio_data |= led_color;
1751 
1752 	/* Set the modified gpio_data values. */
1753 	wrt_reg_dword(&reg->gpiod, gpio_data);
1754 	gpio_data = rd_reg_dword(&reg->gpiod);
1755 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1756 }
1757 
1758 static uint32_t
1759 qla83xx_select_led_port(struct qla_hw_data *ha)
1760 {
1761 	uint32_t led_select_value = 0;
1762 
1763 	if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1764 		goto out;
1765 
1766 	if (ha->port_no == 0)
1767 		led_select_value = QLA83XX_LED_PORT0;
1768 	else
1769 		led_select_value = QLA83XX_LED_PORT1;
1770 
1771 out:
1772 	return led_select_value;
1773 }
1774 
1775 void
1776 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1777 {
1778 	uint32_t led_select_value;
1779 	struct qla_hw_data *ha = vha->hw;
1780 	uint16_t led_cfg[6];
1781 	uint16_t orig_led_cfg[6];
1782 	uint32_t led_10_value, led_43_value;
1783 
1784 	if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha) &&
1785 	    !IS_QLA28XX(ha))
1786 		return;
1787 
1788 	if (!ha->beacon_blink_led)
1789 		return;
1790 
1791 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1792 		qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1793 		qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1794 	} else if (IS_QLA2031(ha)) {
1795 		led_select_value = qla83xx_select_led_port(ha);
1796 
1797 		qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1798 		qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1799 	} else if (IS_QLA8031(ha)) {
1800 		led_select_value = qla83xx_select_led_port(ha);
1801 
1802 		qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1803 		qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1804 		qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1805 		msleep(500);
1806 		qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1807 		msleep(1000);
1808 		qla83xx_wr_reg(vha, led_select_value, led_10_value);
1809 		qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1810 	} else if (IS_QLA81XX(ha)) {
1811 		int rval;
1812 
1813 		/* Save Current */
1814 		rval = qla81xx_get_led_config(vha, orig_led_cfg);
1815 		/* Do the blink */
1816 		if (rval == QLA_SUCCESS) {
1817 			if (IS_QLA81XX(ha)) {
1818 				led_cfg[0] = 0x4000;
1819 				led_cfg[1] = 0x2000;
1820 				led_cfg[2] = 0;
1821 				led_cfg[3] = 0;
1822 				led_cfg[4] = 0;
1823 				led_cfg[5] = 0;
1824 			} else {
1825 				led_cfg[0] = 0x4000;
1826 				led_cfg[1] = 0x4000;
1827 				led_cfg[2] = 0x4000;
1828 				led_cfg[3] = 0x2000;
1829 				led_cfg[4] = 0;
1830 				led_cfg[5] = 0x2000;
1831 			}
1832 			rval = qla81xx_set_led_config(vha, led_cfg);
1833 			msleep(1000);
1834 			if (IS_QLA81XX(ha)) {
1835 				led_cfg[0] = 0x4000;
1836 				led_cfg[1] = 0x2000;
1837 				led_cfg[2] = 0;
1838 			} else {
1839 				led_cfg[0] = 0x4000;
1840 				led_cfg[1] = 0x2000;
1841 				led_cfg[2] = 0x4000;
1842 				led_cfg[3] = 0x4000;
1843 				led_cfg[4] = 0;
1844 				led_cfg[5] = 0x2000;
1845 			}
1846 			rval = qla81xx_set_led_config(vha, led_cfg);
1847 		}
1848 		/* On exit, restore original (presumes no status change) */
1849 		qla81xx_set_led_config(vha, orig_led_cfg);
1850 	}
1851 }
1852 
1853 int
1854 qla24xx_beacon_on(struct scsi_qla_host *vha)
1855 {
1856 	uint32_t gpio_data;
1857 	unsigned long flags;
1858 	struct qla_hw_data *ha = vha->hw;
1859 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1860 
1861 	if (IS_P3P_TYPE(ha))
1862 		return QLA_SUCCESS;
1863 
1864 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1865 		goto skip_gpio; /* let blink handle it */
1866 
1867 	if (ha->beacon_blink_led == 0) {
1868 		/* Enable firmware for update */
1869 		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1870 
1871 		if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1872 			return QLA_FUNCTION_FAILED;
1873 
1874 		if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1875 		    QLA_SUCCESS) {
1876 			ql_log(ql_log_warn, vha, 0x7009,
1877 			    "Unable to update fw options (beacon on).\n");
1878 			return QLA_FUNCTION_FAILED;
1879 		}
1880 
1881 		if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1882 			goto skip_gpio;
1883 
1884 		spin_lock_irqsave(&ha->hardware_lock, flags);
1885 		gpio_data = rd_reg_dword(&reg->gpiod);
1886 
1887 		/* Enable the gpio_data reg for update. */
1888 		gpio_data |= GPDX_LED_UPDATE_MASK;
1889 		wrt_reg_dword(&reg->gpiod, gpio_data);
1890 		rd_reg_dword(&reg->gpiod);
1891 
1892 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1893 	}
1894 
1895 	/* So all colors blink together. */
1896 	ha->beacon_color_state = 0;
1897 
1898 skip_gpio:
1899 	/* Let the per HBA timer kick off the blinking process. */
1900 	ha->beacon_blink_led = 1;
1901 
1902 	return QLA_SUCCESS;
1903 }
1904 
1905 int
1906 qla24xx_beacon_off(struct scsi_qla_host *vha)
1907 {
1908 	uint32_t gpio_data;
1909 	unsigned long flags;
1910 	struct qla_hw_data *ha = vha->hw;
1911 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1912 
1913 	if (IS_P3P_TYPE(ha))
1914 		return QLA_SUCCESS;
1915 
1916 	if (!ha->flags.fw_started)
1917 		return QLA_SUCCESS;
1918 
1919 	ha->beacon_blink_led = 0;
1920 
1921 	if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1922 		goto set_fw_options;
1923 
1924 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1925 		return QLA_SUCCESS;
1926 
1927 	ha->beacon_color_state = QLA_LED_ALL_ON;
1928 
1929 	ha->isp_ops->beacon_blink(vha);	/* Will flip to all off. */
1930 
1931 	/* Give control back to firmware. */
1932 	spin_lock_irqsave(&ha->hardware_lock, flags);
1933 	gpio_data = rd_reg_dword(&reg->gpiod);
1934 
1935 	/* Disable the gpio_data reg for update. */
1936 	gpio_data &= ~GPDX_LED_UPDATE_MASK;
1937 	wrt_reg_dword(&reg->gpiod, gpio_data);
1938 	rd_reg_dword(&reg->gpiod);
1939 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1940 
1941 set_fw_options:
1942 	ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1943 
1944 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1945 		ql_log(ql_log_warn, vha, 0x704d,
1946 		    "Unable to update fw options (beacon on).\n");
1947 		return QLA_FUNCTION_FAILED;
1948 	}
1949 
1950 	if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1951 		ql_log(ql_log_warn, vha, 0x704e,
1952 		    "Unable to update fw options (beacon on).\n");
1953 		return QLA_FUNCTION_FAILED;
1954 	}
1955 
1956 	return QLA_SUCCESS;
1957 }
1958 
1959 
1960 /*
1961  * Flash support routines
1962  */
1963 
1964 /**
1965  * qla2x00_flash_enable() - Setup flash for reading and writing.
1966  * @ha: HA context
1967  */
1968 static void
1969 qla2x00_flash_enable(struct qla_hw_data *ha)
1970 {
1971 	uint16_t data;
1972 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1973 
1974 	data = rd_reg_word(&reg->ctrl_status);
1975 	data |= CSR_FLASH_ENABLE;
1976 	wrt_reg_word(&reg->ctrl_status, data);
1977 	rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
1978 }
1979 
1980 /**
1981  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1982  * @ha: HA context
1983  */
1984 static void
1985 qla2x00_flash_disable(struct qla_hw_data *ha)
1986 {
1987 	uint16_t data;
1988 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1989 
1990 	data = rd_reg_word(&reg->ctrl_status);
1991 	data &= ~(CSR_FLASH_ENABLE);
1992 	wrt_reg_word(&reg->ctrl_status, data);
1993 	rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
1994 }
1995 
1996 /**
1997  * qla2x00_read_flash_byte() - Reads a byte from flash
1998  * @ha: HA context
1999  * @addr: Address in flash to read
2000  *
2001  * A word is read from the chip, but, only the lower byte is valid.
2002  *
2003  * Returns the byte read from flash @addr.
2004  */
2005 static uint8_t
2006 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
2007 {
2008 	uint16_t data;
2009 	uint16_t bank_select;
2010 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2011 
2012 	bank_select = rd_reg_word(&reg->ctrl_status);
2013 
2014 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2015 		/* Specify 64K address range: */
2016 		/*  clear out Module Select and Flash Address bits [19:16]. */
2017 		bank_select &= ~0xf8;
2018 		bank_select |= addr >> 12 & 0xf0;
2019 		bank_select |= CSR_FLASH_64K_BANK;
2020 		wrt_reg_word(&reg->ctrl_status, bank_select);
2021 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2022 
2023 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2024 		data = rd_reg_word(&reg->flash_data);
2025 
2026 		return (uint8_t)data;
2027 	}
2028 
2029 	/* Setup bit 16 of flash address. */
2030 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2031 		bank_select |= CSR_FLASH_64K_BANK;
2032 		wrt_reg_word(&reg->ctrl_status, bank_select);
2033 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2034 	} else if (((addr & BIT_16) == 0) &&
2035 	    (bank_select & CSR_FLASH_64K_BANK)) {
2036 		bank_select &= ~(CSR_FLASH_64K_BANK);
2037 		wrt_reg_word(&reg->ctrl_status, bank_select);
2038 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2039 	}
2040 
2041 	/* Always perform IO mapped accesses to the FLASH registers. */
2042 	if (ha->pio_address) {
2043 		uint16_t data2;
2044 
2045 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2046 		do {
2047 			data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2048 			barrier();
2049 			cpu_relax();
2050 			data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2051 		} while (data != data2);
2052 	} else {
2053 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2054 		data = qla2x00_debounce_register(&reg->flash_data);
2055 	}
2056 
2057 	return (uint8_t)data;
2058 }
2059 
2060 /**
2061  * qla2x00_write_flash_byte() - Write a byte to flash
2062  * @ha: HA context
2063  * @addr: Address in flash to write
2064  * @data: Data to write
2065  */
2066 static void
2067 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2068 {
2069 	uint16_t bank_select;
2070 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2071 
2072 	bank_select = rd_reg_word(&reg->ctrl_status);
2073 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2074 		/* Specify 64K address range: */
2075 		/*  clear out Module Select and Flash Address bits [19:16]. */
2076 		bank_select &= ~0xf8;
2077 		bank_select |= addr >> 12 & 0xf0;
2078 		bank_select |= CSR_FLASH_64K_BANK;
2079 		wrt_reg_word(&reg->ctrl_status, bank_select);
2080 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2081 
2082 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2083 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2084 		wrt_reg_word(&reg->flash_data, (uint16_t)data);
2085 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2086 
2087 		return;
2088 	}
2089 
2090 	/* Setup bit 16 of flash address. */
2091 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2092 		bank_select |= CSR_FLASH_64K_BANK;
2093 		wrt_reg_word(&reg->ctrl_status, bank_select);
2094 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2095 	} else if (((addr & BIT_16) == 0) &&
2096 	    (bank_select & CSR_FLASH_64K_BANK)) {
2097 		bank_select &= ~(CSR_FLASH_64K_BANK);
2098 		wrt_reg_word(&reg->ctrl_status, bank_select);
2099 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2100 	}
2101 
2102 	/* Always perform IO mapped accesses to the FLASH registers. */
2103 	if (ha->pio_address) {
2104 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2105 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2106 	} else {
2107 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2108 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2109 		wrt_reg_word(&reg->flash_data, (uint16_t)data);
2110 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2111 	}
2112 }
2113 
2114 /**
2115  * qla2x00_poll_flash() - Polls flash for completion.
2116  * @ha: HA context
2117  * @addr: Address in flash to poll
2118  * @poll_data: Data to be polled
2119  * @man_id: Flash manufacturer ID
2120  * @flash_id: Flash ID
2121  *
2122  * This function polls the device until bit 7 of what is read matches data
2123  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2124  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2125  * reading bit 5 as a 1.
2126  *
2127  * Returns 0 on success, else non-zero.
2128  */
2129 static int
2130 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2131     uint8_t man_id, uint8_t flash_id)
2132 {
2133 	int status;
2134 	uint8_t flash_data;
2135 	uint32_t cnt;
2136 
2137 	status = 1;
2138 
2139 	/* Wait for 30 seconds for command to finish. */
2140 	poll_data &= BIT_7;
2141 	for (cnt = 3000000; cnt; cnt--) {
2142 		flash_data = qla2x00_read_flash_byte(ha, addr);
2143 		if ((flash_data & BIT_7) == poll_data) {
2144 			status = 0;
2145 			break;
2146 		}
2147 
2148 		if (man_id != 0x40 && man_id != 0xda) {
2149 			if ((flash_data & BIT_5) && cnt > 2)
2150 				cnt = 2;
2151 		}
2152 		udelay(10);
2153 		barrier();
2154 		cond_resched();
2155 	}
2156 	return status;
2157 }
2158 
2159 /**
2160  * qla2x00_program_flash_address() - Programs a flash address
2161  * @ha: HA context
2162  * @addr: Address in flash to program
2163  * @data: Data to be written in flash
2164  * @man_id: Flash manufacturer ID
2165  * @flash_id: Flash ID
2166  *
2167  * Returns 0 on success, else non-zero.
2168  */
2169 static int
2170 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2171     uint8_t data, uint8_t man_id, uint8_t flash_id)
2172 {
2173 	/* Write Program Command Sequence. */
2174 	if (IS_OEM_001(ha)) {
2175 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2176 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2177 		qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2178 		qla2x00_write_flash_byte(ha, addr, data);
2179 	} else {
2180 		if (man_id == 0xda && flash_id == 0xc1) {
2181 			qla2x00_write_flash_byte(ha, addr, data);
2182 			if (addr & 0x7e)
2183 				return 0;
2184 		} else {
2185 			qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2186 			qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2187 			qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2188 			qla2x00_write_flash_byte(ha, addr, data);
2189 		}
2190 	}
2191 
2192 	udelay(150);
2193 
2194 	/* Wait for write to complete. */
2195 	return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2196 }
2197 
2198 /**
2199  * qla2x00_erase_flash() - Erase the flash.
2200  * @ha: HA context
2201  * @man_id: Flash manufacturer ID
2202  * @flash_id: Flash ID
2203  *
2204  * Returns 0 on success, else non-zero.
2205  */
2206 static int
2207 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2208 {
2209 	/* Individual Sector Erase Command Sequence */
2210 	if (IS_OEM_001(ha)) {
2211 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2212 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2213 		qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2214 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2215 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2216 		qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2217 	} else {
2218 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2219 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2220 		qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2221 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2222 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2223 		qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2224 	}
2225 
2226 	udelay(150);
2227 
2228 	/* Wait for erase to complete. */
2229 	return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2230 }
2231 
2232 /**
2233  * qla2x00_erase_flash_sector() - Erase a flash sector.
2234  * @ha: HA context
2235  * @addr: Flash sector to erase
2236  * @sec_mask: Sector address mask
2237  * @man_id: Flash manufacturer ID
2238  * @flash_id: Flash ID
2239  *
2240  * Returns 0 on success, else non-zero.
2241  */
2242 static int
2243 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2244     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2245 {
2246 	/* Individual Sector Erase Command Sequence */
2247 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2248 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2249 	qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2250 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2251 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2252 	if (man_id == 0x1f && flash_id == 0x13)
2253 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2254 	else
2255 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2256 
2257 	udelay(150);
2258 
2259 	/* Wait for erase to complete. */
2260 	return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2261 }
2262 
2263 /**
2264  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2265  * @ha: host adapter
2266  * @man_id: Flash manufacturer ID
2267  * @flash_id: Flash ID
2268  */
2269 static void
2270 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2271     uint8_t *flash_id)
2272 {
2273 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2274 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2275 	qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2276 	*man_id = qla2x00_read_flash_byte(ha, 0x0000);
2277 	*flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2278 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2279 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2280 	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2281 }
2282 
2283 static void
2284 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2285 	uint32_t saddr, uint32_t length)
2286 {
2287 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2288 	uint32_t midpoint, ilength;
2289 	uint8_t data;
2290 
2291 	midpoint = length / 2;
2292 
2293 	wrt_reg_word(&reg->nvram, 0);
2294 	rd_reg_word(&reg->nvram);
2295 	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2296 		if (ilength == midpoint) {
2297 			wrt_reg_word(&reg->nvram, NVR_SELECT);
2298 			rd_reg_word(&reg->nvram);
2299 		}
2300 		data = qla2x00_read_flash_byte(ha, saddr);
2301 		if (saddr % 100)
2302 			udelay(10);
2303 		*tmp_buf = data;
2304 		cond_resched();
2305 	}
2306 }
2307 
2308 static inline void
2309 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2310 {
2311 	int cnt;
2312 	unsigned long flags;
2313 	struct qla_hw_data *ha = vha->hw;
2314 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2315 
2316 	/* Suspend HBA. */
2317 	scsi_block_requests(vha->host);
2318 	ha->isp_ops->disable_intrs(ha);
2319 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2320 
2321 	/* Pause RISC. */
2322 	spin_lock_irqsave(&ha->hardware_lock, flags);
2323 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2324 	rd_reg_word(&reg->hccr);
2325 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2326 		for (cnt = 0; cnt < 30000; cnt++) {
2327 			if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2328 				break;
2329 			udelay(100);
2330 		}
2331 	} else {
2332 		udelay(10);
2333 	}
2334 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2335 }
2336 
2337 static inline void
2338 qla2x00_resume_hba(struct scsi_qla_host *vha)
2339 {
2340 	struct qla_hw_data *ha = vha->hw;
2341 
2342 	/* Resume HBA. */
2343 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2344 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2345 	qla2xxx_wake_dpc(vha);
2346 	qla2x00_wait_for_chip_reset(vha);
2347 	scsi_unblock_requests(vha->host);
2348 }
2349 
2350 void *
2351 qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2352     uint32_t offset, uint32_t length)
2353 {
2354 	uint32_t addr, midpoint;
2355 	uint8_t *data;
2356 	struct qla_hw_data *ha = vha->hw;
2357 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2358 
2359 	/* Suspend HBA. */
2360 	qla2x00_suspend_hba(vha);
2361 
2362 	/* Go with read. */
2363 	midpoint = ha->optrom_size / 2;
2364 
2365 	qla2x00_flash_enable(ha);
2366 	wrt_reg_word(&reg->nvram, 0);
2367 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
2368 	for (addr = offset, data = buf; addr < length; addr++, data++) {
2369 		if (addr == midpoint) {
2370 			wrt_reg_word(&reg->nvram, NVR_SELECT);
2371 			rd_reg_word(&reg->nvram);	/* PCI Posting. */
2372 		}
2373 
2374 		*data = qla2x00_read_flash_byte(ha, addr);
2375 	}
2376 	qla2x00_flash_disable(ha);
2377 
2378 	/* Resume HBA. */
2379 	qla2x00_resume_hba(vha);
2380 
2381 	return buf;
2382 }
2383 
2384 int
2385 qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2386     uint32_t offset, uint32_t length)
2387 {
2388 
2389 	int rval;
2390 	uint8_t man_id, flash_id, sec_number, *data;
2391 	uint16_t wd;
2392 	uint32_t addr, liter, sec_mask, rest_addr;
2393 	struct qla_hw_data *ha = vha->hw;
2394 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2395 
2396 	/* Suspend HBA. */
2397 	qla2x00_suspend_hba(vha);
2398 
2399 	rval = QLA_SUCCESS;
2400 	sec_number = 0;
2401 
2402 	/* Reset ISP chip. */
2403 	wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2404 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2405 
2406 	/* Go with write. */
2407 	qla2x00_flash_enable(ha);
2408 	do {	/* Loop once to provide quick error exit */
2409 		/* Structure of flash memory based on manufacturer */
2410 		if (IS_OEM_001(ha)) {
2411 			/* OEM variant with special flash part. */
2412 			man_id = flash_id = 0;
2413 			rest_addr = 0xffff;
2414 			sec_mask   = 0x10000;
2415 			goto update_flash;
2416 		}
2417 		qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2418 		switch (man_id) {
2419 		case 0x20: /* ST flash. */
2420 			if (flash_id == 0xd2 || flash_id == 0xe3) {
2421 				/*
2422 				 * ST m29w008at part - 64kb sector size with
2423 				 * 32kb,8kb,8kb,16kb sectors at memory address
2424 				 * 0xf0000.
2425 				 */
2426 				rest_addr = 0xffff;
2427 				sec_mask = 0x10000;
2428 				break;
2429 			}
2430 			/*
2431 			 * ST m29w010b part - 16kb sector size
2432 			 * Default to 16kb sectors
2433 			 */
2434 			rest_addr = 0x3fff;
2435 			sec_mask = 0x1c000;
2436 			break;
2437 		case 0x40: /* Mostel flash. */
2438 			/* Mostel v29c51001 part - 512 byte sector size. */
2439 			rest_addr = 0x1ff;
2440 			sec_mask = 0x1fe00;
2441 			break;
2442 		case 0xbf: /* SST flash. */
2443 			/* SST39sf10 part - 4kb sector size. */
2444 			rest_addr = 0xfff;
2445 			sec_mask = 0x1f000;
2446 			break;
2447 		case 0xda: /* Winbond flash. */
2448 			/* Winbond W29EE011 part - 256 byte sector size. */
2449 			rest_addr = 0x7f;
2450 			sec_mask = 0x1ff80;
2451 			break;
2452 		case 0xc2: /* Macronix flash. */
2453 			/* 64k sector size. */
2454 			if (flash_id == 0x38 || flash_id == 0x4f) {
2455 				rest_addr = 0xffff;
2456 				sec_mask = 0x10000;
2457 				break;
2458 			}
2459 			fallthrough;
2460 
2461 		case 0x1f: /* Atmel flash. */
2462 			/* 512k sector size. */
2463 			if (flash_id == 0x13) {
2464 				rest_addr = 0x7fffffff;
2465 				sec_mask =   0x80000000;
2466 				break;
2467 			}
2468 			fallthrough;
2469 
2470 		case 0x01: /* AMD flash. */
2471 			if (flash_id == 0x38 || flash_id == 0x40 ||
2472 			    flash_id == 0x4f) {
2473 				/* Am29LV081 part - 64kb sector size. */
2474 				/* Am29LV002BT part - 64kb sector size. */
2475 				rest_addr = 0xffff;
2476 				sec_mask = 0x10000;
2477 				break;
2478 			} else if (flash_id == 0x3e) {
2479 				/*
2480 				 * Am29LV008b part - 64kb sector size with
2481 				 * 32kb,8kb,8kb,16kb sector at memory address
2482 				 * h0xf0000.
2483 				 */
2484 				rest_addr = 0xffff;
2485 				sec_mask = 0x10000;
2486 				break;
2487 			} else if (flash_id == 0x20 || flash_id == 0x6e) {
2488 				/*
2489 				 * Am29LV010 part or AM29f010 - 16kb sector
2490 				 * size.
2491 				 */
2492 				rest_addr = 0x3fff;
2493 				sec_mask = 0x1c000;
2494 				break;
2495 			} else if (flash_id == 0x6d) {
2496 				/* Am29LV001 part - 8kb sector size. */
2497 				rest_addr = 0x1fff;
2498 				sec_mask = 0x1e000;
2499 				break;
2500 			}
2501 			fallthrough;
2502 		default:
2503 			/* Default to 16 kb sector size. */
2504 			rest_addr = 0x3fff;
2505 			sec_mask = 0x1c000;
2506 			break;
2507 		}
2508 
2509 update_flash:
2510 		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2511 			if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2512 				rval = QLA_FUNCTION_FAILED;
2513 				break;
2514 			}
2515 		}
2516 
2517 		for (addr = offset, liter = 0; liter < length; liter++,
2518 		    addr++) {
2519 			data = buf + liter;
2520 			/* Are we at the beginning of a sector? */
2521 			if ((addr & rest_addr) == 0) {
2522 				if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2523 					if (addr >= 0x10000UL) {
2524 						if (((addr >> 12) & 0xf0) &&
2525 						    ((man_id == 0x01 &&
2526 							flash_id == 0x3e) ||
2527 						     (man_id == 0x20 &&
2528 							 flash_id == 0xd2))) {
2529 							sec_number++;
2530 							if (sec_number == 1) {
2531 								rest_addr =
2532 								    0x7fff;
2533 								sec_mask =
2534 								    0x18000;
2535 							} else if (
2536 							    sec_number == 2 ||
2537 							    sec_number == 3) {
2538 								rest_addr =
2539 								    0x1fff;
2540 								sec_mask =
2541 								    0x1e000;
2542 							} else if (
2543 							    sec_number == 4) {
2544 								rest_addr =
2545 								    0x3fff;
2546 								sec_mask =
2547 								    0x1c000;
2548 							}
2549 						}
2550 					}
2551 				} else if (addr == ha->optrom_size / 2) {
2552 					wrt_reg_word(&reg->nvram, NVR_SELECT);
2553 					rd_reg_word(&reg->nvram);
2554 				}
2555 
2556 				if (flash_id == 0xda && man_id == 0xc1) {
2557 					qla2x00_write_flash_byte(ha, 0x5555,
2558 					    0xaa);
2559 					qla2x00_write_flash_byte(ha, 0x2aaa,
2560 					    0x55);
2561 					qla2x00_write_flash_byte(ha, 0x5555,
2562 					    0xa0);
2563 				} else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2564 					/* Then erase it */
2565 					if (qla2x00_erase_flash_sector(ha,
2566 					    addr, sec_mask, man_id,
2567 					    flash_id)) {
2568 						rval = QLA_FUNCTION_FAILED;
2569 						break;
2570 					}
2571 					if (man_id == 0x01 && flash_id == 0x6d)
2572 						sec_number++;
2573 				}
2574 			}
2575 
2576 			if (man_id == 0x01 && flash_id == 0x6d) {
2577 				if (sec_number == 1 &&
2578 				    addr == (rest_addr - 1)) {
2579 					rest_addr = 0x0fff;
2580 					sec_mask   = 0x1f000;
2581 				} else if (sec_number == 3 && (addr & 0x7ffe)) {
2582 					rest_addr = 0x3fff;
2583 					sec_mask   = 0x1c000;
2584 				}
2585 			}
2586 
2587 			if (qla2x00_program_flash_address(ha, addr, *data,
2588 			    man_id, flash_id)) {
2589 				rval = QLA_FUNCTION_FAILED;
2590 				break;
2591 			}
2592 			cond_resched();
2593 		}
2594 	} while (0);
2595 	qla2x00_flash_disable(ha);
2596 
2597 	/* Resume HBA. */
2598 	qla2x00_resume_hba(vha);
2599 
2600 	return rval;
2601 }
2602 
2603 void *
2604 qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2605     uint32_t offset, uint32_t length)
2606 {
2607 	struct qla_hw_data *ha = vha->hw;
2608 
2609 	/* Suspend HBA. */
2610 	scsi_block_requests(vha->host);
2611 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2612 
2613 	/* Go with read. */
2614 	qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2);
2615 
2616 	/* Resume HBA. */
2617 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2618 	scsi_unblock_requests(vha->host);
2619 
2620 	return buf;
2621 }
2622 
2623 static int
2624 qla28xx_extract_sfub_and_verify(struct scsi_qla_host *vha, uint32_t *buf,
2625     uint32_t len, uint32_t buf_size_without_sfub, uint8_t *sfub_buf)
2626 {
2627 	uint32_t *p, check_sum = 0;
2628 	int i;
2629 
2630 	p = buf + buf_size_without_sfub;
2631 
2632 	/* Extract SFUB from end of file */
2633 	memcpy(sfub_buf, (uint8_t *)p,
2634 	    sizeof(struct secure_flash_update_block));
2635 
2636 	for (i = 0; i < (sizeof(struct secure_flash_update_block) >> 2); i++)
2637 		check_sum += p[i];
2638 
2639 	check_sum = (~check_sum) + 1;
2640 
2641 	if (check_sum != p[i]) {
2642 		ql_log(ql_log_warn, vha, 0x7097,
2643 		    "SFUB checksum failed, 0x%x, 0x%x\n",
2644 		    check_sum, p[i]);
2645 		return QLA_COMMAND_ERROR;
2646 	}
2647 
2648 	return QLA_SUCCESS;
2649 }
2650 
2651 static int
2652 qla28xx_get_flash_region(struct scsi_qla_host *vha, uint32_t start,
2653     struct qla_flt_region *region)
2654 {
2655 	struct qla_hw_data *ha = vha->hw;
2656 	struct qla_flt_header *flt = ha->flt;
2657 	struct qla_flt_region *flt_reg = &flt->region[0];
2658 	uint16_t cnt;
2659 	int rval = QLA_FUNCTION_FAILED;
2660 
2661 	if (!ha->flt)
2662 		return QLA_FUNCTION_FAILED;
2663 
2664 	cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
2665 	for (; cnt; cnt--, flt_reg++) {
2666 		if (le32_to_cpu(flt_reg->start) == start) {
2667 			memcpy((uint8_t *)region, flt_reg,
2668 			    sizeof(struct qla_flt_region));
2669 			rval = QLA_SUCCESS;
2670 			break;
2671 		}
2672 	}
2673 
2674 	return rval;
2675 }
2676 
2677 static int
2678 qla28xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2679     uint32_t dwords)
2680 {
2681 	struct qla_hw_data *ha = vha->hw;
2682 	ulong liter;
2683 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
2684 	uint32_t sec_mask, rest_addr, fdata;
2685 	void *optrom = NULL;
2686 	dma_addr_t optrom_dma;
2687 	int rval, ret;
2688 	struct secure_flash_update_block *sfub;
2689 	dma_addr_t sfub_dma;
2690 	uint32_t offset = faddr << 2;
2691 	uint32_t buf_size_without_sfub = 0;
2692 	struct qla_flt_region region;
2693 	bool reset_to_rom = false;
2694 	uint32_t risc_size, risc_attr = 0;
2695 	__be32 *fw_array = NULL;
2696 
2697 	/* Retrieve region info - must be a start address passed in */
2698 	rval = qla28xx_get_flash_region(vha, offset, &region);
2699 
2700 	if (rval != QLA_SUCCESS) {
2701 		ql_log(ql_log_warn, vha, 0xffff,
2702 		    "Invalid address %x - not a region start address\n",
2703 		    offset);
2704 		goto done;
2705 	}
2706 
2707 	/* Allocate dma buffer for burst write */
2708 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2709 	    &optrom_dma, GFP_KERNEL);
2710 	if (!optrom) {
2711 		ql_log(ql_log_warn, vha, 0x7095,
2712 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
2713 		rval = QLA_COMMAND_ERROR;
2714 		goto done;
2715 	}
2716 
2717 	/*
2718 	 * If adapter supports secure flash and region is secure
2719 	 * extract secure flash update block (SFUB) and verify
2720 	 */
2721 	if (ha->flags.secure_adapter && region.attribute) {
2722 
2723 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2724 		    "Region %x is secure\n", region.code);
2725 
2726 		switch (le16_to_cpu(region.code)) {
2727 		case FLT_REG_FW:
2728 		case FLT_REG_FW_SEC_27XX:
2729 		case FLT_REG_MPI_PRI_28XX:
2730 		case FLT_REG_MPI_SEC_28XX:
2731 			fw_array = (__force __be32 *)dwptr;
2732 
2733 			/* 1st fw array */
2734 			risc_size = be32_to_cpu(fw_array[3]);
2735 			risc_attr = be32_to_cpu(fw_array[9]);
2736 
2737 			buf_size_without_sfub = risc_size;
2738 			fw_array += risc_size;
2739 
2740 			/* 2nd fw array */
2741 			risc_size = be32_to_cpu(fw_array[3]);
2742 
2743 			buf_size_without_sfub += risc_size;
2744 			fw_array += risc_size;
2745 
2746 			/* 1st dump template */
2747 			risc_size = be32_to_cpu(fw_array[2]);
2748 
2749 			/* skip header and ignore checksum */
2750 			buf_size_without_sfub += risc_size;
2751 			fw_array += risc_size;
2752 
2753 			if (risc_attr & BIT_9) {
2754 				/* 2nd dump template */
2755 				risc_size = be32_to_cpu(fw_array[2]);
2756 
2757 				/* skip header and ignore checksum */
2758 				buf_size_without_sfub += risc_size;
2759 				fw_array += risc_size;
2760 			}
2761 			break;
2762 
2763 		case FLT_REG_PEP_PRI_28XX:
2764 		case FLT_REG_PEP_SEC_28XX:
2765 			fw_array = (__force __be32 *)dwptr;
2766 
2767 			/* 1st fw array */
2768 			risc_size = be32_to_cpu(fw_array[3]);
2769 			risc_attr = be32_to_cpu(fw_array[9]);
2770 
2771 			buf_size_without_sfub = risc_size;
2772 			fw_array += risc_size;
2773 			break;
2774 
2775 		default:
2776 			ql_log(ql_log_warn + ql_dbg_verbose, vha,
2777 			    0xffff, "Secure region %x not supported\n",
2778 			    region.code);
2779 			rval = QLA_COMMAND_ERROR;
2780 			goto done;
2781 		}
2782 
2783 		sfub = dma_alloc_coherent(&ha->pdev->dev,
2784 			sizeof(struct secure_flash_update_block), &sfub_dma,
2785 			GFP_KERNEL);
2786 		if (!sfub) {
2787 			ql_log(ql_log_warn, vha, 0xffff,
2788 			    "Unable to allocate memory for SFUB\n");
2789 			rval = QLA_COMMAND_ERROR;
2790 			goto done;
2791 		}
2792 
2793 		rval = qla28xx_extract_sfub_and_verify(vha, dwptr, dwords,
2794 			buf_size_without_sfub, (uint8_t *)sfub);
2795 
2796 		if (rval != QLA_SUCCESS)
2797 			goto done;
2798 
2799 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2800 		    "SFUB extract and verify successful\n");
2801 	}
2802 
2803 	rest_addr = (ha->fdt_block_size >> 2) - 1;
2804 	sec_mask = ~rest_addr;
2805 
2806 	/* Lock semaphore */
2807 	rval = qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_LOCK);
2808 	if (rval != QLA_SUCCESS) {
2809 		ql_log(ql_log_warn, vha, 0xffff,
2810 		    "Unable to lock flash semaphore.");
2811 		goto done;
2812 	}
2813 
2814 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2815 	    "Unprotect flash...\n");
2816 	rval = qla24xx_unprotect_flash(vha);
2817 	if (rval) {
2818 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2819 		ql_log(ql_log_warn, vha, 0x7096, "Failed unprotect flash\n");
2820 		goto done;
2821 	}
2822 
2823 	for (liter = 0; liter < dwords; liter++, faddr++) {
2824 		fdata = (faddr & sec_mask) << 2;
2825 
2826 		/* If start of sector */
2827 		if (!(faddr & rest_addr)) {
2828 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2829 			    "Erase sector %#x...\n", faddr);
2830 			rval = qla24xx_erase_sector(vha, fdata);
2831 			if (rval) {
2832 				ql_dbg(ql_dbg_user, vha, 0x7007,
2833 				    "Failed erase sector %#x\n", faddr);
2834 				goto write_protect;
2835 			}
2836 		}
2837 	}
2838 
2839 	if (ha->flags.secure_adapter) {
2840 		/*
2841 		 * If adapter supports secure flash but FW doesn't,
2842 		 * disable write protect, release semaphore and reset
2843 		 * chip to execute ROM code in order to update region securely
2844 		 */
2845 		if (!ha->flags.secure_fw) {
2846 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2847 			    "Disable Write and Release Semaphore.");
2848 			rval = qla24xx_protect_flash(vha);
2849 			if (rval != QLA_SUCCESS) {
2850 				qla81xx_fac_semaphore_access(vha,
2851 					FAC_SEMAPHORE_UNLOCK);
2852 				ql_log(ql_log_warn, vha, 0xffff,
2853 				    "Unable to protect flash.");
2854 				goto done;
2855 			}
2856 
2857 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2858 			    "Reset chip to ROM.");
2859 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2860 			set_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags);
2861 			qla2xxx_wake_dpc(vha);
2862 			rval = qla2x00_wait_for_chip_reset(vha);
2863 			if (rval != QLA_SUCCESS) {
2864 				ql_log(ql_log_warn, vha, 0xffff,
2865 				    "Unable to reset to ROM code.");
2866 				goto done;
2867 			}
2868 			reset_to_rom = true;
2869 			ha->flags.fac_supported = 0;
2870 
2871 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2872 			    "Lock Semaphore");
2873 			rval = qla2xxx_write_remote_register(vha,
2874 			    FLASH_SEMAPHORE_REGISTER_ADDR, 0x00020002);
2875 			if (rval != QLA_SUCCESS) {
2876 				ql_log(ql_log_warn, vha, 0xffff,
2877 				    "Unable to lock flash semaphore.");
2878 				goto done;
2879 			}
2880 
2881 			/* Unprotect flash */
2882 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2883 			    "Enable Write.");
2884 			rval = qla2x00_write_ram_word(vha, 0x7ffd0101, 0);
2885 			if (rval) {
2886 				ql_log(ql_log_warn, vha, 0x7096,
2887 				    "Failed unprotect flash\n");
2888 				goto done;
2889 			}
2890 		}
2891 
2892 		/* If region is secure, send Secure Flash MB Cmd */
2893 		if (region.attribute && buf_size_without_sfub) {
2894 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2895 			    "Sending Secure Flash MB Cmd\n");
2896 			rval = qla28xx_secure_flash_update(vha, 0,
2897 				le16_to_cpu(region.code),
2898 				buf_size_without_sfub, sfub_dma,
2899 				sizeof(struct secure_flash_update_block) >> 2);
2900 			if (rval != QLA_SUCCESS) {
2901 				ql_log(ql_log_warn, vha, 0xffff,
2902 				    "Secure Flash MB Cmd failed %x.", rval);
2903 				goto write_protect;
2904 			}
2905 		}
2906 
2907 	}
2908 
2909 	/* re-init flash offset */
2910 	faddr = offset >> 2;
2911 
2912 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
2913 		fdata = (faddr & sec_mask) << 2;
2914 
2915 		/* If smaller than a burst remaining */
2916 		if (dwords - liter < dburst)
2917 			dburst = dwords - liter;
2918 
2919 		/* Copy to dma buffer */
2920 		memcpy(optrom, dwptr, dburst << 2);
2921 
2922 		/* Burst write */
2923 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2924 		    "Write burst (%#lx dwords)...\n", dburst);
2925 		rval = qla2x00_load_ram(vha, optrom_dma,
2926 		    flash_data_addr(ha, faddr), dburst);
2927 		if (rval != QLA_SUCCESS) {
2928 			ql_log(ql_log_warn, vha, 0x7097,
2929 			    "Failed burst write at %x (%p/%#llx)...\n",
2930 			    flash_data_addr(ha, faddr), optrom,
2931 			    (u64)optrom_dma);
2932 			break;
2933 		}
2934 
2935 		liter += dburst - 1;
2936 		faddr += dburst - 1;
2937 		dwptr += dburst - 1;
2938 		continue;
2939 	}
2940 
2941 write_protect:
2942 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2943 	    "Protect flash...\n");
2944 	ret = qla24xx_protect_flash(vha);
2945 	if (ret) {
2946 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2947 		ql_log(ql_log_warn, vha, 0x7099,
2948 		    "Failed protect flash\n");
2949 		rval = QLA_COMMAND_ERROR;
2950 	}
2951 
2952 	if (reset_to_rom == true) {
2953 		/* Schedule DPC to restart the RISC */
2954 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2955 		qla2xxx_wake_dpc(vha);
2956 
2957 		ret = qla2x00_wait_for_hba_online(vha);
2958 		if (ret != QLA_SUCCESS) {
2959 			ql_log(ql_log_warn, vha, 0xffff,
2960 			    "Adapter did not come out of reset\n");
2961 			rval = QLA_COMMAND_ERROR;
2962 		}
2963 	}
2964 
2965 done:
2966 	if (optrom)
2967 		dma_free_coherent(&ha->pdev->dev,
2968 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
2969 
2970 	return rval;
2971 }
2972 
2973 int
2974 qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2975     uint32_t offset, uint32_t length)
2976 {
2977 	int rval;
2978 	struct qla_hw_data *ha = vha->hw;
2979 
2980 	/* Suspend HBA. */
2981 	scsi_block_requests(vha->host);
2982 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2983 
2984 	/* Go with write. */
2985 	if (IS_QLA28XX(ha))
2986 		rval = qla28xx_write_flash_data(vha, buf, offset >> 2,
2987 						length >> 2);
2988 	else
2989 		rval = qla24xx_write_flash_data(vha, buf, offset >> 2,
2990 						length >> 2);
2991 
2992 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2993 	scsi_unblock_requests(vha->host);
2994 
2995 	return rval;
2996 }
2997 
2998 void *
2999 qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
3000     uint32_t offset, uint32_t length)
3001 {
3002 	int rval;
3003 	dma_addr_t optrom_dma;
3004 	void *optrom;
3005 	uint8_t *pbuf;
3006 	uint32_t faddr, left, burst;
3007 	struct qla_hw_data *ha = vha->hw;
3008 
3009 	if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
3010 	    IS_QLA27XX(ha) || IS_QLA28XX(ha))
3011 		goto try_fast;
3012 	if (offset & 0xfff)
3013 		goto slow_read;
3014 	if (length < OPTROM_BURST_SIZE)
3015 		goto slow_read;
3016 
3017 try_fast:
3018 	if (offset & 0xff)
3019 		goto slow_read;
3020 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3021 	    &optrom_dma, GFP_KERNEL);
3022 	if (!optrom) {
3023 		ql_log(ql_log_warn, vha, 0x00cc,
3024 		    "Unable to allocate memory for optrom burst read (%x KB).\n",
3025 		    OPTROM_BURST_SIZE / 1024);
3026 		goto slow_read;
3027 	}
3028 
3029 	pbuf = buf;
3030 	faddr = offset >> 2;
3031 	left = length >> 2;
3032 	burst = OPTROM_BURST_DWORDS;
3033 	while (left != 0) {
3034 		if (burst > left)
3035 			burst = left;
3036 
3037 		rval = qla2x00_dump_ram(vha, optrom_dma,
3038 		    flash_data_addr(ha, faddr), burst);
3039 		if (rval) {
3040 			ql_log(ql_log_warn, vha, 0x00f5,
3041 			    "Unable to burst-read optrom segment (%x/%x/%llx).\n",
3042 			    rval, flash_data_addr(ha, faddr),
3043 			    (unsigned long long)optrom_dma);
3044 			ql_log(ql_log_warn, vha, 0x00f6,
3045 			    "Reverting to slow-read.\n");
3046 
3047 			dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3048 			    optrom, optrom_dma);
3049 			goto slow_read;
3050 		}
3051 
3052 		memcpy(pbuf, optrom, burst * 4);
3053 
3054 		left -= burst;
3055 		faddr += burst;
3056 		pbuf += burst * 4;
3057 	}
3058 
3059 	dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
3060 	    optrom_dma);
3061 
3062 	return buf;
3063 
3064 slow_read:
3065     return qla24xx_read_optrom_data(vha, buf, offset, length);
3066 }
3067 
3068 /**
3069  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
3070  * @ha: HA context
3071  * @pcids: Pointer to the FCODE PCI data structure
3072  *
3073  * The process of retrieving the FCODE version information is at best
3074  * described as interesting.
3075  *
3076  * Within the first 100h bytes of the image an ASCII string is present
3077  * which contains several pieces of information including the FCODE
3078  * version.  Unfortunately it seems the only reliable way to retrieve
3079  * the version is by scanning for another sentinel within the string,
3080  * the FCODE build date:
3081  *
3082  *	... 2.00.02 10/17/02 ...
3083  *
3084  * Returns QLA_SUCCESS on successful retrieval of version.
3085  */
3086 static void
3087 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
3088 {
3089 	int ret = QLA_FUNCTION_FAILED;
3090 	uint32_t istart, iend, iter, vend;
3091 	uint8_t do_next, rbyte, *vbyte;
3092 
3093 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3094 
3095 	/* Skip the PCI data structure. */
3096 	istart = pcids +
3097 	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
3098 		qla2x00_read_flash_byte(ha, pcids + 0x0A));
3099 	iend = istart + 0x100;
3100 	do {
3101 		/* Scan for the sentinel date string...eeewww. */
3102 		do_next = 0;
3103 		iter = istart;
3104 		while ((iter < iend) && !do_next) {
3105 			iter++;
3106 			if (qla2x00_read_flash_byte(ha, iter) == '/') {
3107 				if (qla2x00_read_flash_byte(ha, iter + 2) ==
3108 				    '/')
3109 					do_next++;
3110 				else if (qla2x00_read_flash_byte(ha,
3111 				    iter + 3) == '/')
3112 					do_next++;
3113 			}
3114 		}
3115 		if (!do_next)
3116 			break;
3117 
3118 		/* Backtrack to previous ' ' (space). */
3119 		do_next = 0;
3120 		while ((iter > istart) && !do_next) {
3121 			iter--;
3122 			if (qla2x00_read_flash_byte(ha, iter) == ' ')
3123 				do_next++;
3124 		}
3125 		if (!do_next)
3126 			break;
3127 
3128 		/*
3129 		 * Mark end of version tag, and find previous ' ' (space) or
3130 		 * string length (recent FCODE images -- major hack ahead!!!).
3131 		 */
3132 		vend = iter - 1;
3133 		do_next = 0;
3134 		while ((iter > istart) && !do_next) {
3135 			iter--;
3136 			rbyte = qla2x00_read_flash_byte(ha, iter);
3137 			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
3138 				do_next++;
3139 		}
3140 		if (!do_next)
3141 			break;
3142 
3143 		/* Mark beginning of version tag, and copy data. */
3144 		iter++;
3145 		if ((vend - iter) &&
3146 		    ((vend - iter) < sizeof(ha->fcode_revision))) {
3147 			vbyte = ha->fcode_revision;
3148 			while (iter <= vend) {
3149 				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
3150 				iter++;
3151 			}
3152 			ret = QLA_SUCCESS;
3153 		}
3154 	} while (0);
3155 
3156 	if (ret != QLA_SUCCESS)
3157 		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3158 }
3159 
3160 int
3161 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3162 {
3163 	int ret = QLA_SUCCESS;
3164 	uint8_t code_type, last_image;
3165 	uint32_t pcihdr, pcids;
3166 	uint8_t *dbyte;
3167 	uint16_t *dcode;
3168 	struct qla_hw_data *ha = vha->hw;
3169 
3170 	if (!ha->pio_address || !mbuf)
3171 		return QLA_FUNCTION_FAILED;
3172 
3173 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3174 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3175 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3176 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3177 
3178 	qla2x00_flash_enable(ha);
3179 
3180 	/* Begin with first PCI expansion ROM header. */
3181 	pcihdr = 0;
3182 	last_image = 1;
3183 	do {
3184 		/* Verify PCI expansion ROM header. */
3185 		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
3186 		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
3187 			/* No signature */
3188 			ql_log(ql_log_fatal, vha, 0x0050,
3189 			    "No matching ROM signature.\n");
3190 			ret = QLA_FUNCTION_FAILED;
3191 			break;
3192 		}
3193 
3194 		/* Locate PCI data structure. */
3195 		pcids = pcihdr +
3196 		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
3197 			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
3198 
3199 		/* Validate signature of PCI data structure. */
3200 		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
3201 		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
3202 		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
3203 		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
3204 			/* Incorrect header. */
3205 			ql_log(ql_log_fatal, vha, 0x0051,
3206 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3207 			ret = QLA_FUNCTION_FAILED;
3208 			break;
3209 		}
3210 
3211 		/* Read version */
3212 		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
3213 		switch (code_type) {
3214 		case ROM_CODE_TYPE_BIOS:
3215 			/* Intel x86, PC-AT compatible. */
3216 			ha->bios_revision[0] =
3217 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3218 			ha->bios_revision[1] =
3219 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3220 			ql_dbg(ql_dbg_init, vha, 0x0052,
3221 			    "Read BIOS %d.%d.\n",
3222 			    ha->bios_revision[1], ha->bios_revision[0]);
3223 			break;
3224 		case ROM_CODE_TYPE_FCODE:
3225 			/* Open Firmware standard for PCI (FCode). */
3226 			/* Eeeewww... */
3227 			qla2x00_get_fcode_version(ha, pcids);
3228 			break;
3229 		case ROM_CODE_TYPE_EFI:
3230 			/* Extensible Firmware Interface (EFI). */
3231 			ha->efi_revision[0] =
3232 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3233 			ha->efi_revision[1] =
3234 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3235 			ql_dbg(ql_dbg_init, vha, 0x0053,
3236 			    "Read EFI %d.%d.\n",
3237 			    ha->efi_revision[1], ha->efi_revision[0]);
3238 			break;
3239 		default:
3240 			ql_log(ql_log_warn, vha, 0x0054,
3241 			    "Unrecognized code type %x at pcids %x.\n",
3242 			    code_type, pcids);
3243 			break;
3244 		}
3245 
3246 		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
3247 
3248 		/* Locate next PCI expansion ROM. */
3249 		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
3250 		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
3251 	} while (!last_image);
3252 
3253 	if (IS_QLA2322(ha)) {
3254 		/* Read firmware image information. */
3255 		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3256 		dbyte = mbuf;
3257 		memset(dbyte, 0, 8);
3258 		dcode = (uint16_t *)dbyte;
3259 
3260 		qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
3261 		    8);
3262 		ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
3263 		    "Dumping fw "
3264 		    "ver from flash:.\n");
3265 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
3266 		    dbyte, 32);
3267 
3268 		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
3269 		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
3270 		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3271 		    dcode[3] == 0)) {
3272 			ql_log(ql_log_warn, vha, 0x0057,
3273 			    "Unrecognized fw revision at %x.\n",
3274 			    ha->flt_region_fw * 4);
3275 		} else {
3276 			/* values are in big endian */
3277 			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
3278 			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
3279 			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
3280 			ql_dbg(ql_dbg_init, vha, 0x0058,
3281 			    "FW Version: "
3282 			    "%d.%d.%d.\n", ha->fw_revision[0],
3283 			    ha->fw_revision[1], ha->fw_revision[2]);
3284 		}
3285 	}
3286 
3287 	qla2x00_flash_disable(ha);
3288 
3289 	return ret;
3290 }
3291 
3292 int
3293 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3294 {
3295 	int ret = QLA_SUCCESS;
3296 	uint32_t pcihdr, pcids;
3297 	uint32_t *dcode = mbuf;
3298 	uint8_t *bcode = mbuf;
3299 	uint8_t code_type, last_image;
3300 	struct qla_hw_data *ha = vha->hw;
3301 
3302 	if (!mbuf)
3303 		return QLA_FUNCTION_FAILED;
3304 
3305 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3306 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3307 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3308 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3309 
3310 	/* Begin with first PCI expansion ROM header. */
3311 	pcihdr = ha->flt_region_boot << 2;
3312 	last_image = 1;
3313 	do {
3314 		/* Verify PCI expansion ROM header. */
3315 		ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
3316 		bcode = mbuf + (pcihdr % 4);
3317 		if (memcmp(bcode, "\x55\xaa", 2)) {
3318 			/* No signature */
3319 			ql_log(ql_log_fatal, vha, 0x0154,
3320 			    "No matching ROM signature.\n");
3321 			ret = QLA_FUNCTION_FAILED;
3322 			break;
3323 		}
3324 
3325 		/* Locate PCI data structure. */
3326 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3327 
3328 		ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
3329 		bcode = mbuf + (pcihdr % 4);
3330 
3331 		/* Validate signature of PCI data structure. */
3332 		if (memcmp(bcode, "PCIR", 4)) {
3333 			/* Incorrect header. */
3334 			ql_log(ql_log_fatal, vha, 0x0155,
3335 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3336 			ret = QLA_FUNCTION_FAILED;
3337 			break;
3338 		}
3339 
3340 		/* Read version */
3341 		code_type = bcode[0x14];
3342 		switch (code_type) {
3343 		case ROM_CODE_TYPE_BIOS:
3344 			/* Intel x86, PC-AT compatible. */
3345 			ha->bios_revision[0] = bcode[0x12];
3346 			ha->bios_revision[1] = bcode[0x13];
3347 			ql_dbg(ql_dbg_init, vha, 0x0156,
3348 			    "Read BIOS %d.%d.\n",
3349 			    ha->bios_revision[1], ha->bios_revision[0]);
3350 			break;
3351 		case ROM_CODE_TYPE_FCODE:
3352 			/* Open Firmware standard for PCI (FCode). */
3353 			ha->fcode_revision[0] = bcode[0x12];
3354 			ha->fcode_revision[1] = bcode[0x13];
3355 			ql_dbg(ql_dbg_init, vha, 0x0157,
3356 			    "Read FCODE %d.%d.\n",
3357 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3358 			break;
3359 		case ROM_CODE_TYPE_EFI:
3360 			/* Extensible Firmware Interface (EFI). */
3361 			ha->efi_revision[0] = bcode[0x12];
3362 			ha->efi_revision[1] = bcode[0x13];
3363 			ql_dbg(ql_dbg_init, vha, 0x0158,
3364 			    "Read EFI %d.%d.\n",
3365 			    ha->efi_revision[1], ha->efi_revision[0]);
3366 			break;
3367 		default:
3368 			ql_log(ql_log_warn, vha, 0x0159,
3369 			    "Unrecognized code type %x at pcids %x.\n",
3370 			    code_type, pcids);
3371 			break;
3372 		}
3373 
3374 		last_image = bcode[0x15] & BIT_7;
3375 
3376 		/* Locate next PCI expansion ROM. */
3377 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3378 	} while (!last_image);
3379 
3380 	/* Read firmware image information. */
3381 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3382 	dcode = mbuf;
3383 	ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
3384 	bcode = mbuf + (pcihdr % 4);
3385 
3386 	/* Validate signature of PCI data structure. */
3387 	if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3388 	    bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3389 		ha->fw_revision[0] = bcode[0x4];
3390 		ha->fw_revision[1] = bcode[0x5];
3391 		ha->fw_revision[2] = bcode[0x6];
3392 		ql_dbg(ql_dbg_init, vha, 0x0153,
3393 		    "Firmware revision %d.%d.%d\n",
3394 		    ha->fw_revision[0], ha->fw_revision[1],
3395 		    ha->fw_revision[2]);
3396 	}
3397 
3398 	return ret;
3399 }
3400 
3401 int
3402 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3403 {
3404 	int ret = QLA_SUCCESS;
3405 	uint32_t pcihdr = 0, pcids = 0;
3406 	uint32_t *dcode = mbuf;
3407 	uint8_t *bcode = mbuf;
3408 	uint8_t code_type, last_image;
3409 	int i;
3410 	struct qla_hw_data *ha = vha->hw;
3411 	uint32_t faddr = 0;
3412 	struct active_regions active_regions = { };
3413 
3414 	if (IS_P3P_TYPE(ha))
3415 		return ret;
3416 
3417 	if (!mbuf)
3418 		return QLA_FUNCTION_FAILED;
3419 
3420 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3421 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3422 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3423 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3424 
3425 	pcihdr = ha->flt_region_boot << 2;
3426 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3427 		qla27xx_get_active_image(vha, &active_regions);
3428 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE) {
3429 			pcihdr = ha->flt_region_boot_sec << 2;
3430 		}
3431 	}
3432 
3433 	do {
3434 		/* Verify PCI expansion ROM header. */
3435 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3436 		bcode = mbuf + (pcihdr % 4);
3437 		if (memcmp(bcode, "\x55\xaa", 2)) {
3438 			/* No signature */
3439 			ql_log(ql_log_fatal, vha, 0x0059,
3440 			    "No matching ROM signature.\n");
3441 			ret = QLA_FUNCTION_FAILED;
3442 			break;
3443 		}
3444 
3445 		/* Locate PCI data structure. */
3446 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3447 
3448 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3449 		bcode = mbuf + (pcihdr % 4);
3450 
3451 		/* Validate signature of PCI data structure. */
3452 		if (memcmp(bcode, "PCIR", 4)) {
3453 			/* Incorrect header. */
3454 			ql_log(ql_log_fatal, vha, 0x005a,
3455 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3456 			ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
3457 			ret = QLA_FUNCTION_FAILED;
3458 			break;
3459 		}
3460 
3461 		/* Read version */
3462 		code_type = bcode[0x14];
3463 		switch (code_type) {
3464 		case ROM_CODE_TYPE_BIOS:
3465 			/* Intel x86, PC-AT compatible. */
3466 			ha->bios_revision[0] = bcode[0x12];
3467 			ha->bios_revision[1] = bcode[0x13];
3468 			ql_dbg(ql_dbg_init, vha, 0x005b,
3469 			    "Read BIOS %d.%d.\n",
3470 			    ha->bios_revision[1], ha->bios_revision[0]);
3471 			break;
3472 		case ROM_CODE_TYPE_FCODE:
3473 			/* Open Firmware standard for PCI (FCode). */
3474 			ha->fcode_revision[0] = bcode[0x12];
3475 			ha->fcode_revision[1] = bcode[0x13];
3476 			ql_dbg(ql_dbg_init, vha, 0x005c,
3477 			    "Read FCODE %d.%d.\n",
3478 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3479 			break;
3480 		case ROM_CODE_TYPE_EFI:
3481 			/* Extensible Firmware Interface (EFI). */
3482 			ha->efi_revision[0] = bcode[0x12];
3483 			ha->efi_revision[1] = bcode[0x13];
3484 			ql_dbg(ql_dbg_init, vha, 0x005d,
3485 			    "Read EFI %d.%d.\n",
3486 			    ha->efi_revision[1], ha->efi_revision[0]);
3487 			break;
3488 		default:
3489 			ql_log(ql_log_warn, vha, 0x005e,
3490 			    "Unrecognized code type %x at pcids %x.\n",
3491 			    code_type, pcids);
3492 			break;
3493 		}
3494 
3495 		last_image = bcode[0x15] & BIT_7;
3496 
3497 		/* Locate next PCI expansion ROM. */
3498 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3499 	} while (!last_image);
3500 
3501 	/* Read firmware image information. */
3502 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3503 	faddr = ha->flt_region_fw;
3504 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3505 		qla27xx_get_active_image(vha, &active_regions);
3506 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE)
3507 			faddr = ha->flt_region_fw_sec;
3508 	}
3509 
3510 	qla24xx_read_flash_data(vha, dcode, faddr, 8);
3511 	if (qla24xx_risc_firmware_invalid(dcode)) {
3512 		ql_log(ql_log_warn, vha, 0x005f,
3513 		    "Unrecognized fw revision at %x.\n",
3514 		    ha->flt_region_fw * 4);
3515 		ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
3516 	} else {
3517 		for (i = 0; i < 4; i++)
3518 			ha->fw_revision[i] =
3519 				be32_to_cpu((__force __be32)dcode[4+i]);
3520 		ql_dbg(ql_dbg_init, vha, 0x0060,
3521 		    "Firmware revision (flash) %u.%u.%u (%x).\n",
3522 		    ha->fw_revision[0], ha->fw_revision[1],
3523 		    ha->fw_revision[2], ha->fw_revision[3]);
3524 	}
3525 
3526 	/* Check for golden firmware and get version if available */
3527 	if (!IS_QLA81XX(ha)) {
3528 		/* Golden firmware is not present in non 81XX adapters */
3529 		return ret;
3530 	}
3531 
3532 	memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3533 	faddr = ha->flt_region_gold_fw;
3534 	qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8);
3535 	if (qla24xx_risc_firmware_invalid(dcode)) {
3536 		ql_log(ql_log_warn, vha, 0x0056,
3537 		    "Unrecognized golden fw at %#x.\n", faddr);
3538 		ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
3539 		return ret;
3540 	}
3541 
3542 	for (i = 0; i < 4; i++)
3543 		ha->gold_fw_version[i] =
3544 			be32_to_cpu((__force __be32)dcode[4+i]);
3545 
3546 	return ret;
3547 }
3548 
3549 static int
3550 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3551 {
3552 	if (pos >= end || *pos != 0x82)
3553 		return 0;
3554 
3555 	pos += 3 + pos[1];
3556 	if (pos >= end || *pos != 0x90)
3557 		return 0;
3558 
3559 	pos += 3 + pos[1];
3560 	if (pos >= end || *pos != 0x78)
3561 		return 0;
3562 
3563 	return 1;
3564 }
3565 
3566 int
3567 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3568 {
3569 	struct qla_hw_data *ha = vha->hw;
3570 	uint8_t *pos = ha->vpd;
3571 	uint8_t *end = pos + ha->vpd_size;
3572 	int len = 0;
3573 
3574 	if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3575 		return 0;
3576 
3577 	while (pos < end && *pos != 0x78) {
3578 		len = (*pos == 0x82) ? pos[1] : pos[2];
3579 
3580 		if (!strncmp(pos, key, strlen(key)))
3581 			break;
3582 
3583 		if (*pos != 0x90 && *pos != 0x91)
3584 			pos += len;
3585 
3586 		pos += 3;
3587 	}
3588 
3589 	if (pos < end - len && *pos != 0x78)
3590 		return scnprintf(str, size, "%.*s", len, pos + 3);
3591 
3592 	return 0;
3593 }
3594 
3595 int
3596 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3597 {
3598 	int len, max_len;
3599 	uint32_t fcp_prio_addr;
3600 	struct qla_hw_data *ha = vha->hw;
3601 
3602 	if (!ha->fcp_prio_cfg) {
3603 		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3604 		if (!ha->fcp_prio_cfg) {
3605 			ql_log(ql_log_warn, vha, 0x00d5,
3606 			    "Unable to allocate memory for fcp priority data (%x).\n",
3607 			    FCP_PRIO_CFG_SIZE);
3608 			return QLA_FUNCTION_FAILED;
3609 		}
3610 	}
3611 	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3612 
3613 	fcp_prio_addr = ha->flt_region_fcp_prio;
3614 
3615 	/* first read the fcp priority data header from flash */
3616 	ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
3617 			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3618 
3619 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3620 		goto fail;
3621 
3622 	/* read remaining FCP CMD config data from flash */
3623 	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3624 	len = ha->fcp_prio_cfg->num_entries * sizeof(struct qla_fcp_prio_entry);
3625 	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3626 
3627 	ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
3628 			fcp_prio_addr << 2, (len < max_len ? len : max_len));
3629 
3630 	/* revalidate the entire FCP priority config data, including entries */
3631 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3632 		goto fail;
3633 
3634 	ha->flags.fcp_prio_enabled = 1;
3635 	return QLA_SUCCESS;
3636 fail:
3637 	vfree(ha->fcp_prio_cfg);
3638 	ha->fcp_prio_cfg = NULL;
3639 	return QLA_FUNCTION_FAILED;
3640 }
3641