xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_sup.c (revision fb8d6c8d)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/vmalloc.h>
12 #include <linux/uaccess.h>
13 
14 /*
15  * NVRAM support routines
16  */
17 
18 /**
19  * qla2x00_lock_nvram_access() -
20  * @ha: HA context
21  */
22 static void
23 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
24 {
25 	uint16_t data;
26 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
27 
28 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
29 		data = RD_REG_WORD(&reg->nvram);
30 		while (data & NVR_BUSY) {
31 			udelay(100);
32 			data = RD_REG_WORD(&reg->nvram);
33 		}
34 
35 		/* Lock resource */
36 		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
37 		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
38 		udelay(5);
39 		data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
40 		while ((data & BIT_0) == 0) {
41 			/* Lock failed */
42 			udelay(100);
43 			WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
44 			RD_REG_WORD(&reg->u.isp2300.host_semaphore);
45 			udelay(5);
46 			data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
47 		}
48 	}
49 }
50 
51 /**
52  * qla2x00_unlock_nvram_access() -
53  * @ha: HA context
54  */
55 static void
56 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
57 {
58 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
59 
60 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
61 		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
62 		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
63 	}
64 }
65 
66 /**
67  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
68  * @ha: HA context
69  * @data: Serial interface selector
70  */
71 static void
72 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
73 {
74 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
75 
76 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
77 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
78 	NVRAM_DELAY();
79 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
80 	    NVR_WRT_ENABLE);
81 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
82 	NVRAM_DELAY();
83 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
84 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
85 	NVRAM_DELAY();
86 }
87 
88 /**
89  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
90  *	NVRAM.
91  * @ha: HA context
92  * @nv_cmd: NVRAM command
93  *
94  * Bit definitions for NVRAM command:
95  *
96  *	Bit 26     = start bit
97  *	Bit 25, 24 = opcode
98  *	Bit 23-16  = address
99  *	Bit 15-0   = write data
100  *
101  * Returns the word read from nvram @addr.
102  */
103 static uint16_t
104 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
105 {
106 	uint8_t		cnt;
107 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
108 	uint16_t	data = 0;
109 	uint16_t	reg_data;
110 
111 	/* Send command to NVRAM. */
112 	nv_cmd <<= 5;
113 	for (cnt = 0; cnt < 11; cnt++) {
114 		if (nv_cmd & BIT_31)
115 			qla2x00_nv_write(ha, NVR_DATA_OUT);
116 		else
117 			qla2x00_nv_write(ha, 0);
118 		nv_cmd <<= 1;
119 	}
120 
121 	/* Read data from NVRAM. */
122 	for (cnt = 0; cnt < 16; cnt++) {
123 		WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
124 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
125 		NVRAM_DELAY();
126 		data <<= 1;
127 		reg_data = RD_REG_WORD(&reg->nvram);
128 		if (reg_data & NVR_DATA_IN)
129 			data |= BIT_0;
130 		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
131 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
132 		NVRAM_DELAY();
133 	}
134 
135 	/* Deselect chip. */
136 	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
137 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
138 	NVRAM_DELAY();
139 
140 	return data;
141 }
142 
143 
144 /**
145  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
146  *	request routine to get the word from NVRAM.
147  * @ha: HA context
148  * @addr: Address in NVRAM to read
149  *
150  * Returns the word read from nvram @addr.
151  */
152 static uint16_t
153 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
154 {
155 	uint16_t	data;
156 	uint32_t	nv_cmd;
157 
158 	nv_cmd = addr << 16;
159 	nv_cmd |= NV_READ_OP;
160 	data = qla2x00_nvram_request(ha, nv_cmd);
161 
162 	return (data);
163 }
164 
165 /**
166  * qla2x00_nv_deselect() - Deselect NVRAM operations.
167  * @ha: HA context
168  */
169 static void
170 qla2x00_nv_deselect(struct qla_hw_data *ha)
171 {
172 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
173 
174 	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
175 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
176 	NVRAM_DELAY();
177 }
178 
179 /**
180  * qla2x00_write_nvram_word() - Write NVRAM data.
181  * @ha: HA context
182  * @addr: Address in NVRAM to write
183  * @data: word to program
184  */
185 static void
186 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
187 {
188 	int count;
189 	uint16_t word;
190 	uint32_t nv_cmd, wait_cnt;
191 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
192 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
193 
194 	qla2x00_nv_write(ha, NVR_DATA_OUT);
195 	qla2x00_nv_write(ha, 0);
196 	qla2x00_nv_write(ha, 0);
197 
198 	for (word = 0; word < 8; word++)
199 		qla2x00_nv_write(ha, NVR_DATA_OUT);
200 
201 	qla2x00_nv_deselect(ha);
202 
203 	/* Write data */
204 	nv_cmd = (addr << 16) | NV_WRITE_OP;
205 	nv_cmd |= data;
206 	nv_cmd <<= 5;
207 	for (count = 0; count < 27; count++) {
208 		if (nv_cmd & BIT_31)
209 			qla2x00_nv_write(ha, NVR_DATA_OUT);
210 		else
211 			qla2x00_nv_write(ha, 0);
212 
213 		nv_cmd <<= 1;
214 	}
215 
216 	qla2x00_nv_deselect(ha);
217 
218 	/* Wait for NVRAM to become ready */
219 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
220 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
221 	wait_cnt = NVR_WAIT_CNT;
222 	do {
223 		if (!--wait_cnt) {
224 			ql_dbg(ql_dbg_user, vha, 0x708d,
225 			    "NVRAM didn't go ready...\n");
226 			break;
227 		}
228 		NVRAM_DELAY();
229 		word = RD_REG_WORD(&reg->nvram);
230 	} while ((word & NVR_DATA_IN) == 0);
231 
232 	qla2x00_nv_deselect(ha);
233 
234 	/* Disable writes */
235 	qla2x00_nv_write(ha, NVR_DATA_OUT);
236 	for (count = 0; count < 10; count++)
237 		qla2x00_nv_write(ha, 0);
238 
239 	qla2x00_nv_deselect(ha);
240 }
241 
242 static int
243 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
244 	uint16_t data, uint32_t tmo)
245 {
246 	int ret, count;
247 	uint16_t word;
248 	uint32_t nv_cmd;
249 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
250 
251 	ret = QLA_SUCCESS;
252 
253 	qla2x00_nv_write(ha, NVR_DATA_OUT);
254 	qla2x00_nv_write(ha, 0);
255 	qla2x00_nv_write(ha, 0);
256 
257 	for (word = 0; word < 8; word++)
258 		qla2x00_nv_write(ha, NVR_DATA_OUT);
259 
260 	qla2x00_nv_deselect(ha);
261 
262 	/* Write data */
263 	nv_cmd = (addr << 16) | NV_WRITE_OP;
264 	nv_cmd |= data;
265 	nv_cmd <<= 5;
266 	for (count = 0; count < 27; count++) {
267 		if (nv_cmd & BIT_31)
268 			qla2x00_nv_write(ha, NVR_DATA_OUT);
269 		else
270 			qla2x00_nv_write(ha, 0);
271 
272 		nv_cmd <<= 1;
273 	}
274 
275 	qla2x00_nv_deselect(ha);
276 
277 	/* Wait for NVRAM to become ready */
278 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
279 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
280 	do {
281 		NVRAM_DELAY();
282 		word = RD_REG_WORD(&reg->nvram);
283 		if (!--tmo) {
284 			ret = QLA_FUNCTION_FAILED;
285 			break;
286 		}
287 	} while ((word & NVR_DATA_IN) == 0);
288 
289 	qla2x00_nv_deselect(ha);
290 
291 	/* Disable writes */
292 	qla2x00_nv_write(ha, NVR_DATA_OUT);
293 	for (count = 0; count < 10; count++)
294 		qla2x00_nv_write(ha, 0);
295 
296 	qla2x00_nv_deselect(ha);
297 
298 	return ret;
299 }
300 
301 /**
302  * qla2x00_clear_nvram_protection() -
303  * @ha: HA context
304  */
305 static int
306 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
307 {
308 	int ret, stat;
309 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
310 	uint32_t word, wait_cnt;
311 	uint16_t wprot, wprot_old;
312 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
313 
314 	/* Clear NVRAM write protection. */
315 	ret = QLA_FUNCTION_FAILED;
316 
317 	wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
318 	stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
319 					    cpu_to_le16(0x1234), 100000);
320 	wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
321 	if (stat != QLA_SUCCESS || wprot != 0x1234) {
322 		/* Write enable. */
323 		qla2x00_nv_write(ha, NVR_DATA_OUT);
324 		qla2x00_nv_write(ha, 0);
325 		qla2x00_nv_write(ha, 0);
326 		for (word = 0; word < 8; word++)
327 			qla2x00_nv_write(ha, NVR_DATA_OUT);
328 
329 		qla2x00_nv_deselect(ha);
330 
331 		/* Enable protection register. */
332 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
333 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
334 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
335 		for (word = 0; word < 8; word++)
336 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
337 
338 		qla2x00_nv_deselect(ha);
339 
340 		/* Clear protection register (ffff is cleared). */
341 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
342 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
343 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
344 		for (word = 0; word < 8; word++)
345 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
346 
347 		qla2x00_nv_deselect(ha);
348 
349 		/* Wait for NVRAM to become ready. */
350 		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
351 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
352 		wait_cnt = NVR_WAIT_CNT;
353 		do {
354 			if (!--wait_cnt) {
355 				ql_dbg(ql_dbg_user, vha, 0x708e,
356 				    "NVRAM didn't go ready...\n");
357 				break;
358 			}
359 			NVRAM_DELAY();
360 			word = RD_REG_WORD(&reg->nvram);
361 		} while ((word & NVR_DATA_IN) == 0);
362 
363 		if (wait_cnt)
364 			ret = QLA_SUCCESS;
365 	} else
366 		qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
367 
368 	return ret;
369 }
370 
371 static void
372 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
373 {
374 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
375 	uint32_t word, wait_cnt;
376 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
377 
378 	if (stat != QLA_SUCCESS)
379 		return;
380 
381 	/* Set NVRAM write protection. */
382 	/* Write enable. */
383 	qla2x00_nv_write(ha, NVR_DATA_OUT);
384 	qla2x00_nv_write(ha, 0);
385 	qla2x00_nv_write(ha, 0);
386 	for (word = 0; word < 8; word++)
387 		qla2x00_nv_write(ha, NVR_DATA_OUT);
388 
389 	qla2x00_nv_deselect(ha);
390 
391 	/* Enable protection register. */
392 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
393 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
394 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
395 	for (word = 0; word < 8; word++)
396 		qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
397 
398 	qla2x00_nv_deselect(ha);
399 
400 	/* Enable protection register. */
401 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
402 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
403 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
404 	for (word = 0; word < 8; word++)
405 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
406 
407 	qla2x00_nv_deselect(ha);
408 
409 	/* Wait for NVRAM to become ready. */
410 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
411 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
412 	wait_cnt = NVR_WAIT_CNT;
413 	do {
414 		if (!--wait_cnt) {
415 			ql_dbg(ql_dbg_user, vha, 0x708f,
416 			    "NVRAM didn't go ready...\n");
417 			break;
418 		}
419 		NVRAM_DELAY();
420 		word = RD_REG_WORD(&reg->nvram);
421 	} while ((word & NVR_DATA_IN) == 0);
422 }
423 
424 
425 /*****************************************************************************/
426 /* Flash Manipulation Routines                                               */
427 /*****************************************************************************/
428 
429 static inline uint32_t
430 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
431 {
432 	return ha->flash_conf_off + faddr;
433 }
434 
435 static inline uint32_t
436 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
437 {
438 	return ha->flash_data_off + faddr;
439 }
440 
441 static inline uint32_t
442 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
443 {
444 	return ha->nvram_conf_off + naddr;
445 }
446 
447 static inline uint32_t
448 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
449 {
450 	return ha->nvram_data_off + naddr;
451 }
452 
453 static int
454 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t *data)
455 {
456 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
457 	ulong cnt = 30000;
458 
459 	WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
460 
461 	while (cnt--) {
462 		if (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) {
463 			*data = RD_REG_DWORD(&reg->flash_data);
464 			return QLA_SUCCESS;
465 		}
466 		udelay(10);
467 		cond_resched();
468 	}
469 
470 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
471 	    "Flash read dword at %x timeout.\n", addr);
472 	*data = 0xDEADDEAD;
473 	return QLA_FUNCTION_TIMEOUT;
474 }
475 
476 int
477 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
478     uint32_t dwords)
479 {
480 	ulong i;
481 	int ret = QLA_SUCCESS;
482 	struct qla_hw_data *ha = vha->hw;
483 
484 	/* Dword reads to flash. */
485 	faddr =  flash_data_addr(ha, faddr);
486 	for (i = 0; i < dwords; i++, faddr++, dwptr++) {
487 		ret = qla24xx_read_flash_dword(ha, faddr, dwptr);
488 		if (ret != QLA_SUCCESS)
489 			break;
490 		cpu_to_le32s(dwptr);
491 	}
492 
493 	return ret;
494 }
495 
496 static int
497 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
498 {
499 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
500 	ulong cnt = 500000;
501 
502 	WRT_REG_DWORD(&reg->flash_data, data);
503 	WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
504 
505 	while (cnt--) {
506 		if (!(RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG))
507 			return QLA_SUCCESS;
508 		udelay(10);
509 		cond_resched();
510 	}
511 
512 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
513 	    "Flash write dword at %x timeout.\n", addr);
514 	return QLA_FUNCTION_TIMEOUT;
515 }
516 
517 static void
518 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
519     uint8_t *flash_id)
520 {
521 	uint32_t faddr, ids = 0;
522 
523 	*man_id = *flash_id = 0;
524 
525 	faddr = flash_conf_addr(ha, 0x03ab);
526 	if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
527 		*man_id = LSB(ids);
528 		*flash_id = MSB(ids);
529 	}
530 
531 	/* Check if man_id and flash_id are valid. */
532 	if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
533 		/* Read information using 0x9f opcode
534 		 * Device ID, Mfg ID would be read in the format:
535 		 *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
536 		 * Example: ATMEL 0x00 01 45 1F
537 		 * Extract MFG and Dev ID from last two bytes.
538 		 */
539 		faddr = flash_conf_addr(ha, 0x009f);
540 		if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
541 			*man_id = LSB(ids);
542 			*flash_id = MSB(ids);
543 		}
544 	}
545 }
546 
547 static int
548 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
549 {
550 	const char *loc, *locations[] = { "DEF", "PCI" };
551 	uint32_t pcihdr, pcids;
552 	uint16_t cnt, chksum, *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 = (void *)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 = (void *)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 = (void *)ha->flt;
673 	struct qla_flt_region *region = (void *)&flt[1];
674 	uint16_t *wptr, cnt, chksum;
675 	uint32_t start;
676 
677 	/* Assign FCP prio region since older adapters may not have FLT, or
678 	   FCP prio region in it's FLT.
679 	 */
680 	ha->flt_region_fcp_prio = (ha->port_no == 0) ?
681 	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
682 
683 	ha->flt_region_flt = flt_addr;
684 	wptr = (uint16_t *)ha->flt;
685 	ha->isp_ops->read_optrom(vha, (void *)flt, flt_addr << 2,
686 	    (sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE));
687 
688 	if (le16_to_cpu(*wptr) == 0xffff)
689 		goto no_flash_data;
690 	if (flt->version != cpu_to_le16(1)) {
691 		ql_log(ql_log_warn, vha, 0x0047,
692 		    "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
693 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
694 		    le16_to_cpu(flt->checksum));
695 		goto no_flash_data;
696 	}
697 
698 	cnt = (sizeof(*flt) + le16_to_cpu(flt->length)) / sizeof(*wptr);
699 	for (chksum = 0; cnt--; wptr++)
700 		chksum += le16_to_cpu(*wptr);
701 	if (chksum) {
702 		ql_log(ql_log_fatal, vha, 0x0048,
703 		    "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
704 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
705 		    le16_to_cpu(flt->checksum));
706 		goto no_flash_data;
707 	}
708 
709 	cnt = le16_to_cpu(flt->length) / sizeof(*region);
710 	for ( ; cnt; cnt--, region++) {
711 		/* Store addresses as DWORD offsets. */
712 		start = le32_to_cpu(region->start) >> 2;
713 		ql_dbg(ql_dbg_init, vha, 0x0049,
714 		    "FLT[%#x]: start=%#x end=%#x size=%#x.\n",
715 		    le16_to_cpu(region->code), start,
716 		    le32_to_cpu(region->end) >> 2,
717 		    le32_to_cpu(region->size) >> 2);
718 		if (region->attribute)
719 			ql_log(ql_dbg_init, vha, 0xffff,
720 			    "Region %x is secure\n", region->code);
721 
722 		switch (le16_to_cpu(region->code)) {
723 		case FLT_REG_FCOE_FW:
724 			if (!IS_QLA8031(ha))
725 				break;
726 			ha->flt_region_fw = start;
727 			break;
728 		case FLT_REG_FW:
729 			if (IS_QLA8031(ha))
730 				break;
731 			ha->flt_region_fw = start;
732 			break;
733 		case FLT_REG_BOOT_CODE:
734 			ha->flt_region_boot = start;
735 			break;
736 		case FLT_REG_VPD_0:
737 			if (IS_QLA8031(ha))
738 				break;
739 			ha->flt_region_vpd_nvram = start;
740 			if (IS_P3P_TYPE(ha))
741 				break;
742 			if (ha->port_no == 0)
743 				ha->flt_region_vpd = start;
744 			break;
745 		case FLT_REG_VPD_1:
746 			if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
747 				break;
748 			if (ha->port_no == 1)
749 				ha->flt_region_vpd = start;
750 			break;
751 		case FLT_REG_VPD_2:
752 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
753 				break;
754 			if (ha->port_no == 2)
755 				ha->flt_region_vpd = start;
756 			break;
757 		case FLT_REG_VPD_3:
758 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
759 				break;
760 			if (ha->port_no == 3)
761 				ha->flt_region_vpd = start;
762 			break;
763 		case FLT_REG_NVRAM_0:
764 			if (IS_QLA8031(ha))
765 				break;
766 			if (ha->port_no == 0)
767 				ha->flt_region_nvram = start;
768 			break;
769 		case FLT_REG_NVRAM_1:
770 			if (IS_QLA8031(ha))
771 				break;
772 			if (ha->port_no == 1)
773 				ha->flt_region_nvram = start;
774 			break;
775 		case FLT_REG_NVRAM_2:
776 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
777 				break;
778 			if (ha->port_no == 2)
779 				ha->flt_region_nvram = start;
780 			break;
781 		case FLT_REG_NVRAM_3:
782 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
783 				break;
784 			if (ha->port_no == 3)
785 				ha->flt_region_nvram = start;
786 			break;
787 		case FLT_REG_FDT:
788 			ha->flt_region_fdt = start;
789 			break;
790 		case FLT_REG_NPIV_CONF_0:
791 			if (ha->port_no == 0)
792 				ha->flt_region_npiv_conf = start;
793 			break;
794 		case FLT_REG_NPIV_CONF_1:
795 			if (ha->port_no == 1)
796 				ha->flt_region_npiv_conf = start;
797 			break;
798 		case FLT_REG_GOLD_FW:
799 			ha->flt_region_gold_fw = start;
800 			break;
801 		case FLT_REG_FCP_PRIO_0:
802 			if (ha->port_no == 0)
803 				ha->flt_region_fcp_prio = start;
804 			break;
805 		case FLT_REG_FCP_PRIO_1:
806 			if (ha->port_no == 1)
807 				ha->flt_region_fcp_prio = start;
808 			break;
809 		case FLT_REG_BOOT_CODE_82XX:
810 			ha->flt_region_boot = start;
811 			break;
812 		case FLT_REG_BOOT_CODE_8044:
813 			if (IS_QLA8044(ha))
814 				ha->flt_region_boot = start;
815 			break;
816 		case FLT_REG_FW_82XX:
817 			ha->flt_region_fw = start;
818 			break;
819 		case FLT_REG_CNA_FW:
820 			if (IS_CNA_CAPABLE(ha))
821 				ha->flt_region_fw = start;
822 			break;
823 		case FLT_REG_GOLD_FW_82XX:
824 			ha->flt_region_gold_fw = start;
825 			break;
826 		case FLT_REG_BOOTLOAD_82XX:
827 			ha->flt_region_bootload = start;
828 			break;
829 		case FLT_REG_VPD_8XXX:
830 			if (IS_CNA_CAPABLE(ha))
831 				ha->flt_region_vpd = start;
832 			break;
833 		case FLT_REG_FCOE_NVRAM_0:
834 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
835 				break;
836 			if (ha->port_no == 0)
837 				ha->flt_region_nvram = start;
838 			break;
839 		case FLT_REG_FCOE_NVRAM_1:
840 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
841 				break;
842 			if (ha->port_no == 1)
843 				ha->flt_region_nvram = start;
844 			break;
845 		case FLT_REG_IMG_PRI_27XX:
846 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
847 				ha->flt_region_img_status_pri = start;
848 			break;
849 		case FLT_REG_IMG_SEC_27XX:
850 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
851 				ha->flt_region_img_status_sec = start;
852 			break;
853 		case FLT_REG_FW_SEC_27XX:
854 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
855 				ha->flt_region_fw_sec = start;
856 			break;
857 		case FLT_REG_BOOTLOAD_SEC_27XX:
858 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
859 				ha->flt_region_boot_sec = start;
860 			break;
861 		case FLT_REG_AUX_IMG_PRI_28XX:
862 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
863 				ha->flt_region_aux_img_status_pri = start;
864 			break;
865 		case FLT_REG_AUX_IMG_SEC_28XX:
866 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
867 				ha->flt_region_aux_img_status_sec = start;
868 			break;
869 		case FLT_REG_NVRAM_SEC_28XX_0:
870 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
871 				if (ha->port_no == 0)
872 					ha->flt_region_nvram_sec = start;
873 			break;
874 		case FLT_REG_NVRAM_SEC_28XX_1:
875 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
876 				if (ha->port_no == 1)
877 					ha->flt_region_nvram_sec = start;
878 			break;
879 		case FLT_REG_NVRAM_SEC_28XX_2:
880 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
881 				if (ha->port_no == 2)
882 					ha->flt_region_nvram_sec = start;
883 			break;
884 		case FLT_REG_NVRAM_SEC_28XX_3:
885 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
886 				if (ha->port_no == 3)
887 					ha->flt_region_nvram_sec = start;
888 			break;
889 		case FLT_REG_VPD_SEC_27XX_0:
890 		case FLT_REG_VPD_SEC_28XX_0:
891 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
892 				ha->flt_region_vpd_nvram_sec = start;
893 				if (ha->port_no == 0)
894 					ha->flt_region_vpd_sec = start;
895 			}
896 			break;
897 		case FLT_REG_VPD_SEC_27XX_1:
898 		case FLT_REG_VPD_SEC_28XX_1:
899 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
900 				if (ha->port_no == 1)
901 					ha->flt_region_vpd_sec = start;
902 			break;
903 		case FLT_REG_VPD_SEC_27XX_2:
904 		case FLT_REG_VPD_SEC_28XX_2:
905 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
906 				if (ha->port_no == 2)
907 					ha->flt_region_vpd_sec = start;
908 			break;
909 		case FLT_REG_VPD_SEC_27XX_3:
910 		case FLT_REG_VPD_SEC_28XX_3:
911 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
912 				if (ha->port_no == 3)
913 					ha->flt_region_vpd_sec = start;
914 			break;
915 		}
916 	}
917 	goto done;
918 
919 no_flash_data:
920 	/* Use hardcoded defaults. */
921 	loc = locations[0];
922 	ha->flt_region_fw = def_fw[def];
923 	ha->flt_region_boot = def_boot[def];
924 	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
925 	ha->flt_region_vpd = (ha->port_no == 0) ?
926 	    def_vpd0[def] : def_vpd1[def];
927 	ha->flt_region_nvram = (ha->port_no == 0) ?
928 	    def_nvram0[def] : def_nvram1[def];
929 	ha->flt_region_fdt = def_fdt[def];
930 	ha->flt_region_npiv_conf = (ha->port_no == 0) ?
931 	    def_npiv_conf0[def] : def_npiv_conf1[def];
932 done:
933 	ql_dbg(ql_dbg_init, vha, 0x004a,
934 	    "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
935 	    "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
936 	    loc, ha->flt_region_boot, ha->flt_region_fw,
937 	    ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
938 	    ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
939 	    ha->flt_region_fcp_prio);
940 }
941 
942 static void
943 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
944 {
945 #define FLASH_BLK_SIZE_4K	0x1000
946 #define FLASH_BLK_SIZE_32K	0x8000
947 #define FLASH_BLK_SIZE_64K	0x10000
948 	const char *loc, *locations[] = { "MID", "FDT" };
949 	struct qla_hw_data *ha = vha->hw;
950 	struct req_que *req = ha->req_q_map[0];
951 	uint16_t cnt, chksum;
952 	uint16_t *wptr = (void *)req->ring;
953 	struct qla_fdt_layout *fdt = (struct qla_fdt_layout *)req->ring;
954 	uint8_t	man_id, flash_id;
955 	uint16_t mid = 0, fid = 0;
956 
957 	ha->isp_ops->read_optrom(vha, fdt, ha->flt_region_fdt << 2,
958 	    OPTROM_BURST_DWORDS);
959 	if (le16_to_cpu(*wptr) == 0xffff)
960 		goto no_flash_data;
961 	if (memcmp(fdt->sig, "QLID", 4))
962 		goto no_flash_data;
963 
964 	for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
965 		chksum += le16_to_cpu(*wptr);
966 	if (chksum) {
967 		ql_dbg(ql_dbg_init, vha, 0x004c,
968 		    "Inconsistent FDT detected:"
969 		    " checksum=0x%x id=%c version0x%x.\n", chksum,
970 		    fdt->sig[0], le16_to_cpu(fdt->version));
971 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
972 		    fdt, sizeof(*fdt));
973 		goto no_flash_data;
974 	}
975 
976 	loc = locations[1];
977 	mid = le16_to_cpu(fdt->man_id);
978 	fid = le16_to_cpu(fdt->id);
979 	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
980 	ha->fdt_wrt_enable = fdt->wrt_enable_bits;
981 	ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
982 	if (IS_QLA8044(ha))
983 		ha->fdt_erase_cmd = fdt->erase_cmd;
984 	else
985 		ha->fdt_erase_cmd =
986 		    flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
987 	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
988 	if (fdt->unprotect_sec_cmd) {
989 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
990 		    fdt->unprotect_sec_cmd);
991 		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
992 		    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd) :
993 		    flash_conf_addr(ha, 0x0336);
994 	}
995 	goto done;
996 no_flash_data:
997 	loc = locations[0];
998 	if (IS_P3P_TYPE(ha)) {
999 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1000 		goto done;
1001 	}
1002 	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
1003 	mid = man_id;
1004 	fid = flash_id;
1005 	ha->fdt_wrt_disable = 0x9c;
1006 	ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
1007 	switch (man_id) {
1008 	case 0xbf: /* STT flash. */
1009 		if (flash_id == 0x8e)
1010 			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1011 		else
1012 			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
1013 
1014 		if (flash_id == 0x80)
1015 			ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
1016 		break;
1017 	case 0x13: /* ST M25P80. */
1018 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1019 		break;
1020 	case 0x1f: /* Atmel 26DF081A. */
1021 		ha->fdt_block_size = FLASH_BLK_SIZE_4K;
1022 		ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
1023 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
1024 		ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
1025 		break;
1026 	default:
1027 		/* Default to 64 kb sector size. */
1028 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1029 		break;
1030 	}
1031 done:
1032 	ql_dbg(ql_dbg_init, vha, 0x004d,
1033 	    "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1034 	    "pr=%x wrtd=0x%x blk=0x%x.\n",
1035 	    loc, mid, fid,
1036 	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1037 	    ha->fdt_wrt_disable, ha->fdt_block_size);
1038 
1039 }
1040 
1041 static void
1042 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1043 {
1044 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1045 	uint32_t *wptr;
1046 	struct qla_hw_data *ha = vha->hw;
1047 	struct req_que *req = ha->req_q_map[0];
1048 
1049 	if (!(IS_P3P_TYPE(ha)))
1050 		return;
1051 
1052 	wptr = (uint32_t *)req->ring;
1053 	ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
1054 
1055 	if (*wptr == cpu_to_le32(0xffffffff)) {
1056 		ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1057 		ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1058 	} else {
1059 		ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1060 		wptr++;
1061 		ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1062 	}
1063 	ql_dbg(ql_dbg_init, vha, 0x004e,
1064 	    "fcoe_dev_init_timeout=%d "
1065 	    "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1066 	    ha->fcoe_reset_timeout);
1067 	return;
1068 }
1069 
1070 int
1071 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1072 {
1073 	int ret;
1074 	uint32_t flt_addr;
1075 	struct qla_hw_data *ha = vha->hw;
1076 
1077 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1078 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
1079 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1080 		return QLA_SUCCESS;
1081 
1082 	ret = qla2xxx_find_flt_start(vha, &flt_addr);
1083 	if (ret != QLA_SUCCESS)
1084 		return ret;
1085 
1086 	qla2xxx_get_flt_info(vha, flt_addr);
1087 	qla2xxx_get_fdt_info(vha);
1088 	qla2xxx_get_idc_param(vha);
1089 
1090 	return QLA_SUCCESS;
1091 }
1092 
1093 void
1094 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1095 {
1096 #define NPIV_CONFIG_SIZE	(16*1024)
1097 	void *data;
1098 	uint16_t *wptr;
1099 	uint16_t cnt, chksum;
1100 	int i;
1101 	struct qla_npiv_header hdr;
1102 	struct qla_npiv_entry *entry;
1103 	struct qla_hw_data *ha = vha->hw;
1104 
1105 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1106 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1107 		return;
1108 
1109 	if (ha->flags.nic_core_reset_hdlr_active)
1110 		return;
1111 
1112 	if (IS_QLA8044(ha))
1113 		return;
1114 
1115 	ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
1116 	    sizeof(struct qla_npiv_header));
1117 	if (hdr.version == cpu_to_le16(0xffff))
1118 		return;
1119 	if (hdr.version != cpu_to_le16(1)) {
1120 		ql_dbg(ql_dbg_user, vha, 0x7090,
1121 		    "Unsupported NPIV-Config "
1122 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1123 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1124 		    le16_to_cpu(hdr.checksum));
1125 		return;
1126 	}
1127 
1128 	data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1129 	if (!data) {
1130 		ql_log(ql_log_warn, vha, 0x7091,
1131 		    "Unable to allocate memory for data.\n");
1132 		return;
1133 	}
1134 
1135 	ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
1136 	    NPIV_CONFIG_SIZE);
1137 
1138 	cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1139 	for (wptr = data, chksum = 0; cnt--; wptr++)
1140 		chksum += le16_to_cpu(*wptr);
1141 	if (chksum) {
1142 		ql_dbg(ql_dbg_user, vha, 0x7092,
1143 		    "Inconsistent NPIV-Config "
1144 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1145 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1146 		    le16_to_cpu(hdr.checksum));
1147 		goto done;
1148 	}
1149 
1150 	entry = data + sizeof(struct qla_npiv_header);
1151 	cnt = le16_to_cpu(hdr.entries);
1152 	for (i = 0; cnt; cnt--, entry++, i++) {
1153 		uint16_t flags;
1154 		struct fc_vport_identifiers vid;
1155 		struct fc_vport *vport;
1156 
1157 		memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1158 
1159 		flags = le16_to_cpu(entry->flags);
1160 		if (flags == 0xffff)
1161 			continue;
1162 		if ((flags & BIT_0) == 0)
1163 			continue;
1164 
1165 		memset(&vid, 0, sizeof(vid));
1166 		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1167 		vid.vport_type = FC_PORTTYPE_NPIV;
1168 		vid.disable = false;
1169 		vid.port_name = wwn_to_u64(entry->port_name);
1170 		vid.node_name = wwn_to_u64(entry->node_name);
1171 
1172 		ql_dbg(ql_dbg_user, vha, 0x7093,
1173 		    "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
1174 		    cnt, vid.port_name, vid.node_name,
1175 		    le16_to_cpu(entry->vf_id),
1176 		    entry->q_qos, entry->f_qos);
1177 
1178 		if (i < QLA_PRECONFIG_VPORTS) {
1179 			vport = fc_vport_create(vha->host, 0, &vid);
1180 			if (!vport)
1181 				ql_log(ql_log_warn, vha, 0x7094,
1182 				    "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
1183 				    cnt, vid.port_name, vid.node_name);
1184 		}
1185 	}
1186 done:
1187 	kfree(data);
1188 }
1189 
1190 static int
1191 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1192 {
1193 	struct qla_hw_data *ha = vha->hw;
1194 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1195 
1196 	if (ha->flags.fac_supported)
1197 		return qla81xx_fac_do_write_enable(vha, 1);
1198 
1199 	/* Enable flash write. */
1200 	WRT_REG_DWORD(&reg->ctrl_status,
1201 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1202 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1203 
1204 	if (!ha->fdt_wrt_disable)
1205 		goto done;
1206 
1207 	/* Disable flash write-protection, first clear SR protection bit */
1208 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1209 	/* Then write zero again to clear remaining SR bits.*/
1210 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1211 done:
1212 	return QLA_SUCCESS;
1213 }
1214 
1215 static int
1216 qla24xx_protect_flash(scsi_qla_host_t *vha)
1217 {
1218 	struct qla_hw_data *ha = vha->hw;
1219 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1220 	ulong cnt = 300;
1221 	uint32_t faddr, dword;
1222 
1223 	if (ha->flags.fac_supported)
1224 		return qla81xx_fac_do_write_enable(vha, 0);
1225 
1226 	if (!ha->fdt_wrt_disable)
1227 		goto skip_wrt_protect;
1228 
1229 	/* Enable flash write-protection and wait for completion. */
1230 	faddr = flash_conf_addr(ha, 0x101);
1231 	qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
1232 	faddr = flash_conf_addr(ha, 0x5);
1233 	while (cnt--) {
1234 		if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
1235 			if (!(dword & BIT_0))
1236 				break;
1237 		}
1238 		udelay(10);
1239 	}
1240 
1241 skip_wrt_protect:
1242 	/* Disable flash write. */
1243 	WRT_REG_DWORD(&reg->ctrl_status,
1244 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1245 
1246 	return QLA_SUCCESS;
1247 }
1248 
1249 static int
1250 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1251 {
1252 	struct qla_hw_data *ha = vha->hw;
1253 	uint32_t start, finish;
1254 
1255 	if (ha->flags.fac_supported) {
1256 		start = fdata >> 2;
1257 		finish = start + (ha->fdt_block_size >> 2) - 1;
1258 		return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1259 		    start), flash_data_addr(ha, finish));
1260 	}
1261 
1262 	return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1263 	    (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1264 	    ((fdata >> 16) & 0xff));
1265 }
1266 
1267 static int
1268 qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1269     uint32_t dwords)
1270 {
1271 	int ret;
1272 	ulong liter;
1273 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
1274 	uint32_t sec_mask, rest_addr, fdata;
1275 	dma_addr_t optrom_dma;
1276 	void *optrom = NULL;
1277 	struct qla_hw_data *ha = vha->hw;
1278 
1279 	if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1280 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1281 		goto next;
1282 
1283 	/* Allocate dma buffer for burst write */
1284 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1285 	    &optrom_dma, GFP_KERNEL);
1286 	if (!optrom) {
1287 		ql_log(ql_log_warn, vha, 0x7095,
1288 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
1289 	}
1290 
1291 next:
1292 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1293 	    "Unprotect flash...\n");
1294 	ret = qla24xx_unprotect_flash(vha);
1295 	if (ret) {
1296 		ql_log(ql_log_warn, vha, 0x7096,
1297 		    "Failed to unprotect flash.\n");
1298 		goto done;
1299 	}
1300 
1301 	rest_addr = (ha->fdt_block_size >> 2) - 1;
1302 	sec_mask = ~rest_addr;
1303 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1304 		fdata = (faddr & sec_mask) << 2;
1305 
1306 		/* Are we at the beginning of a sector? */
1307 		if (!(faddr & rest_addr)) {
1308 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1309 			    "Erase sector %#x...\n", faddr);
1310 
1311 			ret = qla24xx_erase_sector(vha, fdata);
1312 			if (ret) {
1313 				ql_dbg(ql_dbg_user, vha, 0x7007,
1314 				    "Failed to erase sector %x.\n", faddr);
1315 				break;
1316 			}
1317 		}
1318 
1319 		if (optrom) {
1320 			/* If smaller than a burst remaining */
1321 			if (dwords - liter < dburst)
1322 				dburst = dwords - liter;
1323 
1324 			/* Copy to dma buffer */
1325 			memcpy(optrom, dwptr, dburst << 2);
1326 
1327 			/* Burst write */
1328 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1329 			    "Write burst (%#lx dwords)...\n", dburst);
1330 			ret = qla2x00_load_ram(vha, optrom_dma,
1331 			    flash_data_addr(ha, faddr), dburst);
1332 			if (!ret) {
1333 				liter += dburst - 1;
1334 				faddr += dburst - 1;
1335 				dwptr += dburst - 1;
1336 				continue;
1337 			}
1338 
1339 			ql_log(ql_log_warn, vha, 0x7097,
1340 			    "Failed burst-write at %x (%p/%#llx)....\n",
1341 			    flash_data_addr(ha, faddr), optrom,
1342 			    (u64)optrom_dma);
1343 
1344 			dma_free_coherent(&ha->pdev->dev,
1345 			    OPTROM_BURST_SIZE, optrom, optrom_dma);
1346 			optrom = NULL;
1347 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
1348 				break;
1349 			ql_log(ql_log_warn, vha, 0x7098,
1350 			    "Reverting to slow write...\n");
1351 		}
1352 
1353 		/* Slow write */
1354 		ret = qla24xx_write_flash_dword(ha,
1355 		    flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1356 		if (ret) {
1357 			ql_dbg(ql_dbg_user, vha, 0x7006,
1358 			    "Failed slopw write %x (%x)\n", faddr, *dwptr);
1359 			break;
1360 		}
1361 	}
1362 
1363 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1364 	    "Protect flash...\n");
1365 	ret = qla24xx_protect_flash(vha);
1366 	if (ret)
1367 		ql_log(ql_log_warn, vha, 0x7099,
1368 		    "Failed to protect flash\n");
1369 done:
1370 	if (optrom)
1371 		dma_free_coherent(&ha->pdev->dev,
1372 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
1373 
1374 	return ret;
1375 }
1376 
1377 uint8_t *
1378 qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1379     uint32_t bytes)
1380 {
1381 	uint32_t i;
1382 	uint16_t *wptr;
1383 	struct qla_hw_data *ha = vha->hw;
1384 
1385 	/* Word reads to NVRAM via registers. */
1386 	wptr = (uint16_t *)buf;
1387 	qla2x00_lock_nvram_access(ha);
1388 	for (i = 0; i < bytes >> 1; i++, naddr++)
1389 		wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1390 		    naddr));
1391 	qla2x00_unlock_nvram_access(ha);
1392 
1393 	return buf;
1394 }
1395 
1396 uint8_t *
1397 qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1398     uint32_t bytes)
1399 {
1400 	struct qla_hw_data *ha = vha->hw;
1401 	uint32_t *dwptr = buf;
1402 	uint32_t i;
1403 
1404 	if (IS_P3P_TYPE(ha))
1405 		return  buf;
1406 
1407 	/* Dword reads to flash. */
1408 	naddr = nvram_data_addr(ha, naddr);
1409 	bytes >>= 2;
1410 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1411 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1412 			break;
1413 		cpu_to_le32s(dwptr);
1414 	}
1415 
1416 	return buf;
1417 }
1418 
1419 int
1420 qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1421     uint32_t bytes)
1422 {
1423 	int ret, stat;
1424 	uint32_t i;
1425 	uint16_t *wptr;
1426 	unsigned long flags;
1427 	struct qla_hw_data *ha = vha->hw;
1428 
1429 	ret = QLA_SUCCESS;
1430 
1431 	spin_lock_irqsave(&ha->hardware_lock, flags);
1432 	qla2x00_lock_nvram_access(ha);
1433 
1434 	/* Disable NVRAM write-protection. */
1435 	stat = qla2x00_clear_nvram_protection(ha);
1436 
1437 	wptr = (uint16_t *)buf;
1438 	for (i = 0; i < bytes >> 1; i++, naddr++) {
1439 		qla2x00_write_nvram_word(ha, naddr,
1440 		    cpu_to_le16(*wptr));
1441 		wptr++;
1442 	}
1443 
1444 	/* Enable NVRAM write-protection. */
1445 	qla2x00_set_nvram_protection(ha, stat);
1446 
1447 	qla2x00_unlock_nvram_access(ha);
1448 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1449 
1450 	return ret;
1451 }
1452 
1453 int
1454 qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1455     uint32_t bytes)
1456 {
1457 	struct qla_hw_data *ha = vha->hw;
1458 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1459 	uint32_t *dwptr = buf;
1460 	uint32_t i;
1461 	int ret;
1462 
1463 	ret = QLA_SUCCESS;
1464 
1465 	if (IS_P3P_TYPE(ha))
1466 		return ret;
1467 
1468 	/* Enable flash write. */
1469 	WRT_REG_DWORD(&reg->ctrl_status,
1470 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1471 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1472 
1473 	/* Disable NVRAM write-protection. */
1474 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1475 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1476 
1477 	/* Dword writes to flash. */
1478 	naddr = nvram_data_addr(ha, naddr);
1479 	bytes >>= 2;
1480 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1481 		if (qla24xx_write_flash_dword(ha, naddr, cpu_to_le32(*dwptr))) {
1482 			ql_dbg(ql_dbg_user, vha, 0x709a,
1483 			    "Unable to program nvram address=%x data=%x.\n",
1484 			    naddr, *dwptr);
1485 			break;
1486 		}
1487 	}
1488 
1489 	/* Enable NVRAM write-protection. */
1490 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1491 
1492 	/* Disable flash write. */
1493 	WRT_REG_DWORD(&reg->ctrl_status,
1494 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1495 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1496 
1497 	return ret;
1498 }
1499 
1500 uint8_t *
1501 qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1502     uint32_t bytes)
1503 {
1504 	struct qla_hw_data *ha = vha->hw;
1505 	uint32_t *dwptr = buf;
1506 	uint32_t i;
1507 
1508 	/* Dword reads to flash. */
1509 	naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
1510 	bytes >>= 2;
1511 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1512 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1513 			break;
1514 
1515 		cpu_to_le32s(dwptr);
1516 	}
1517 
1518 	return buf;
1519 }
1520 
1521 #define RMW_BUFFER_SIZE	(64 * 1024)
1522 int
1523 qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1524     uint32_t bytes)
1525 {
1526 	struct qla_hw_data *ha = vha->hw;
1527 	uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
1528 
1529 	if (!dbuf)
1530 		return QLA_MEMORY_ALLOC_FAILED;
1531 	ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1532 	    RMW_BUFFER_SIZE);
1533 	memcpy(dbuf + (naddr << 2), buf, bytes);
1534 	ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1535 	    RMW_BUFFER_SIZE);
1536 	vfree(dbuf);
1537 
1538 	return QLA_SUCCESS;
1539 }
1540 
1541 static inline void
1542 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1543 {
1544 	if (IS_QLA2322(ha)) {
1545 		/* Flip all colors. */
1546 		if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1547 			/* Turn off. */
1548 			ha->beacon_color_state = 0;
1549 			*pflags = GPIO_LED_ALL_OFF;
1550 		} else {
1551 			/* Turn on. */
1552 			ha->beacon_color_state = QLA_LED_ALL_ON;
1553 			*pflags = GPIO_LED_RGA_ON;
1554 		}
1555 	} else {
1556 		/* Flip green led only. */
1557 		if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1558 			/* Turn off. */
1559 			ha->beacon_color_state = 0;
1560 			*pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1561 		} else {
1562 			/* Turn on. */
1563 			ha->beacon_color_state = QLA_LED_GRN_ON;
1564 			*pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1565 		}
1566 	}
1567 }
1568 
1569 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1570 
1571 void
1572 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1573 {
1574 	uint16_t gpio_enable;
1575 	uint16_t gpio_data;
1576 	uint16_t led_color = 0;
1577 	unsigned long flags;
1578 	struct qla_hw_data *ha = vha->hw;
1579 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1580 
1581 	if (IS_P3P_TYPE(ha))
1582 		return;
1583 
1584 	spin_lock_irqsave(&ha->hardware_lock, flags);
1585 
1586 	/* Save the Original GPIOE. */
1587 	if (ha->pio_address) {
1588 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1589 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1590 	} else {
1591 		gpio_enable = RD_REG_WORD(&reg->gpioe);
1592 		gpio_data = RD_REG_WORD(&reg->gpiod);
1593 	}
1594 
1595 	/* Set the modified gpio_enable values */
1596 	gpio_enable |= GPIO_LED_MASK;
1597 
1598 	if (ha->pio_address) {
1599 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1600 	} else {
1601 		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1602 		RD_REG_WORD(&reg->gpioe);
1603 	}
1604 
1605 	qla2x00_flip_colors(ha, &led_color);
1606 
1607 	/* Clear out any previously set LED color. */
1608 	gpio_data &= ~GPIO_LED_MASK;
1609 
1610 	/* Set the new input LED color to GPIOD. */
1611 	gpio_data |= led_color;
1612 
1613 	/* Set the modified gpio_data values */
1614 	if (ha->pio_address) {
1615 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1616 	} else {
1617 		WRT_REG_WORD(&reg->gpiod, gpio_data);
1618 		RD_REG_WORD(&reg->gpiod);
1619 	}
1620 
1621 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1622 }
1623 
1624 int
1625 qla2x00_beacon_on(struct scsi_qla_host *vha)
1626 {
1627 	uint16_t gpio_enable;
1628 	uint16_t gpio_data;
1629 	unsigned long flags;
1630 	struct qla_hw_data *ha = vha->hw;
1631 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1632 
1633 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1634 	ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1635 
1636 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1637 		ql_log(ql_log_warn, vha, 0x709b,
1638 		    "Unable to update fw options (beacon on).\n");
1639 		return QLA_FUNCTION_FAILED;
1640 	}
1641 
1642 	/* Turn off LEDs. */
1643 	spin_lock_irqsave(&ha->hardware_lock, flags);
1644 	if (ha->pio_address) {
1645 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1646 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1647 	} else {
1648 		gpio_enable = RD_REG_WORD(&reg->gpioe);
1649 		gpio_data = RD_REG_WORD(&reg->gpiod);
1650 	}
1651 	gpio_enable |= GPIO_LED_MASK;
1652 
1653 	/* Set the modified gpio_enable values. */
1654 	if (ha->pio_address) {
1655 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1656 	} else {
1657 		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1658 		RD_REG_WORD(&reg->gpioe);
1659 	}
1660 
1661 	/* Clear out previously set LED colour. */
1662 	gpio_data &= ~GPIO_LED_MASK;
1663 	if (ha->pio_address) {
1664 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1665 	} else {
1666 		WRT_REG_WORD(&reg->gpiod, gpio_data);
1667 		RD_REG_WORD(&reg->gpiod);
1668 	}
1669 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1670 
1671 	/*
1672 	 * Let the per HBA timer kick off the blinking process based on
1673 	 * the following flags. No need to do anything else now.
1674 	 */
1675 	ha->beacon_blink_led = 1;
1676 	ha->beacon_color_state = 0;
1677 
1678 	return QLA_SUCCESS;
1679 }
1680 
1681 int
1682 qla2x00_beacon_off(struct scsi_qla_host *vha)
1683 {
1684 	int rval = QLA_SUCCESS;
1685 	struct qla_hw_data *ha = vha->hw;
1686 
1687 	ha->beacon_blink_led = 0;
1688 
1689 	/* Set the on flag so when it gets flipped it will be off. */
1690 	if (IS_QLA2322(ha))
1691 		ha->beacon_color_state = QLA_LED_ALL_ON;
1692 	else
1693 		ha->beacon_color_state = QLA_LED_GRN_ON;
1694 
1695 	ha->isp_ops->beacon_blink(vha);	/* This turns green LED off */
1696 
1697 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1698 	ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1699 
1700 	rval = qla2x00_set_fw_options(vha, ha->fw_options);
1701 	if (rval != QLA_SUCCESS)
1702 		ql_log(ql_log_warn, vha, 0x709c,
1703 		    "Unable to update fw options (beacon off).\n");
1704 	return rval;
1705 }
1706 
1707 
1708 static inline void
1709 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1710 {
1711 	/* Flip all colors. */
1712 	if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1713 		/* Turn off. */
1714 		ha->beacon_color_state = 0;
1715 		*pflags = 0;
1716 	} else {
1717 		/* Turn on. */
1718 		ha->beacon_color_state = QLA_LED_ALL_ON;
1719 		*pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1720 	}
1721 }
1722 
1723 void
1724 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1725 {
1726 	uint16_t led_color = 0;
1727 	uint32_t gpio_data;
1728 	unsigned long flags;
1729 	struct qla_hw_data *ha = vha->hw;
1730 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1731 
1732 	/* Save the Original GPIOD. */
1733 	spin_lock_irqsave(&ha->hardware_lock, flags);
1734 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1735 
1736 	/* Enable the gpio_data reg for update. */
1737 	gpio_data |= GPDX_LED_UPDATE_MASK;
1738 
1739 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1740 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1741 
1742 	/* Set the color bits. */
1743 	qla24xx_flip_colors(ha, &led_color);
1744 
1745 	/* Clear out any previously set LED color. */
1746 	gpio_data &= ~GPDX_LED_COLOR_MASK;
1747 
1748 	/* Set the new input LED color to GPIOD. */
1749 	gpio_data |= led_color;
1750 
1751 	/* Set the modified gpio_data values. */
1752 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1753 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1754 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1755 }
1756 
1757 static uint32_t
1758 qla83xx_select_led_port(struct qla_hw_data *ha)
1759 {
1760 	uint32_t led_select_value = 0;
1761 
1762 	if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1763 		goto out;
1764 
1765 	if (ha->port_no == 0)
1766 		led_select_value = QLA83XX_LED_PORT0;
1767 	else
1768 		led_select_value = QLA83XX_LED_PORT1;
1769 
1770 out:
1771 	return led_select_value;
1772 }
1773 
1774 void
1775 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1776 {
1777 	uint32_t led_select_value;
1778 	struct qla_hw_data *ha = vha->hw;
1779 	uint16_t led_cfg[6];
1780 	uint16_t orig_led_cfg[6];
1781 	uint32_t led_10_value, led_43_value;
1782 
1783 	if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha) &&
1784 	    !IS_QLA28XX(ha))
1785 		return;
1786 
1787 	if (!ha->beacon_blink_led)
1788 		return;
1789 
1790 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1791 		qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1792 		qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1793 	} else if (IS_QLA2031(ha)) {
1794 		led_select_value = qla83xx_select_led_port(ha);
1795 
1796 		qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1797 		qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1798 	} else if (IS_QLA8031(ha)) {
1799 		led_select_value = qla83xx_select_led_port(ha);
1800 
1801 		qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1802 		qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1803 		qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1804 		msleep(500);
1805 		qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1806 		msleep(1000);
1807 		qla83xx_wr_reg(vha, led_select_value, led_10_value);
1808 		qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1809 	} else if (IS_QLA81XX(ha)) {
1810 		int rval;
1811 
1812 		/* Save Current */
1813 		rval = qla81xx_get_led_config(vha, orig_led_cfg);
1814 		/* Do the blink */
1815 		if (rval == QLA_SUCCESS) {
1816 			if (IS_QLA81XX(ha)) {
1817 				led_cfg[0] = 0x4000;
1818 				led_cfg[1] = 0x2000;
1819 				led_cfg[2] = 0;
1820 				led_cfg[3] = 0;
1821 				led_cfg[4] = 0;
1822 				led_cfg[5] = 0;
1823 			} else {
1824 				led_cfg[0] = 0x4000;
1825 				led_cfg[1] = 0x4000;
1826 				led_cfg[2] = 0x4000;
1827 				led_cfg[3] = 0x2000;
1828 				led_cfg[4] = 0;
1829 				led_cfg[5] = 0x2000;
1830 			}
1831 			rval = qla81xx_set_led_config(vha, led_cfg);
1832 			msleep(1000);
1833 			if (IS_QLA81XX(ha)) {
1834 				led_cfg[0] = 0x4000;
1835 				led_cfg[1] = 0x2000;
1836 				led_cfg[2] = 0;
1837 			} else {
1838 				led_cfg[0] = 0x4000;
1839 				led_cfg[1] = 0x2000;
1840 				led_cfg[2] = 0x4000;
1841 				led_cfg[3] = 0x4000;
1842 				led_cfg[4] = 0;
1843 				led_cfg[5] = 0x2000;
1844 			}
1845 			rval = qla81xx_set_led_config(vha, led_cfg);
1846 		}
1847 		/* On exit, restore original (presumes no status change) */
1848 		qla81xx_set_led_config(vha, orig_led_cfg);
1849 	}
1850 }
1851 
1852 int
1853 qla24xx_beacon_on(struct scsi_qla_host *vha)
1854 {
1855 	uint32_t gpio_data;
1856 	unsigned long flags;
1857 	struct qla_hw_data *ha = vha->hw;
1858 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1859 
1860 	if (IS_P3P_TYPE(ha))
1861 		return QLA_SUCCESS;
1862 
1863 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1864 		goto skip_gpio; /* let blink handle it */
1865 
1866 	if (ha->beacon_blink_led == 0) {
1867 		/* Enable firmware for update */
1868 		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1869 
1870 		if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1871 			return QLA_FUNCTION_FAILED;
1872 
1873 		if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1874 		    QLA_SUCCESS) {
1875 			ql_log(ql_log_warn, vha, 0x7009,
1876 			    "Unable to update fw options (beacon on).\n");
1877 			return QLA_FUNCTION_FAILED;
1878 		}
1879 
1880 		if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1881 			goto skip_gpio;
1882 
1883 		spin_lock_irqsave(&ha->hardware_lock, flags);
1884 		gpio_data = RD_REG_DWORD(&reg->gpiod);
1885 
1886 		/* Enable the gpio_data reg for update. */
1887 		gpio_data |= GPDX_LED_UPDATE_MASK;
1888 		WRT_REG_DWORD(&reg->gpiod, gpio_data);
1889 		RD_REG_DWORD(&reg->gpiod);
1890 
1891 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1892 	}
1893 
1894 	/* So all colors blink together. */
1895 	ha->beacon_color_state = 0;
1896 
1897 skip_gpio:
1898 	/* Let the per HBA timer kick off the blinking process. */
1899 	ha->beacon_blink_led = 1;
1900 
1901 	return QLA_SUCCESS;
1902 }
1903 
1904 int
1905 qla24xx_beacon_off(struct scsi_qla_host *vha)
1906 {
1907 	uint32_t gpio_data;
1908 	unsigned long flags;
1909 	struct qla_hw_data *ha = vha->hw;
1910 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1911 
1912 	if (IS_P3P_TYPE(ha))
1913 		return QLA_SUCCESS;
1914 
1915 	if (!ha->flags.fw_started)
1916 		return QLA_SUCCESS;
1917 
1918 	ha->beacon_blink_led = 0;
1919 
1920 	if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1921 		goto set_fw_options;
1922 
1923 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1924 		return QLA_SUCCESS;
1925 
1926 	ha->beacon_color_state = QLA_LED_ALL_ON;
1927 
1928 	ha->isp_ops->beacon_blink(vha);	/* Will flip to all off. */
1929 
1930 	/* Give control back to firmware. */
1931 	spin_lock_irqsave(&ha->hardware_lock, flags);
1932 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1933 
1934 	/* Disable the gpio_data reg for update. */
1935 	gpio_data &= ~GPDX_LED_UPDATE_MASK;
1936 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1937 	RD_REG_DWORD(&reg->gpiod);
1938 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1939 
1940 set_fw_options:
1941 	ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1942 
1943 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1944 		ql_log(ql_log_warn, vha, 0x704d,
1945 		    "Unable to update fw options (beacon on).\n");
1946 		return QLA_FUNCTION_FAILED;
1947 	}
1948 
1949 	if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1950 		ql_log(ql_log_warn, vha, 0x704e,
1951 		    "Unable to update fw options (beacon on).\n");
1952 		return QLA_FUNCTION_FAILED;
1953 	}
1954 
1955 	return QLA_SUCCESS;
1956 }
1957 
1958 
1959 /*
1960  * Flash support routines
1961  */
1962 
1963 /**
1964  * qla2x00_flash_enable() - Setup flash for reading and writing.
1965  * @ha: HA context
1966  */
1967 static void
1968 qla2x00_flash_enable(struct qla_hw_data *ha)
1969 {
1970 	uint16_t data;
1971 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1972 
1973 	data = RD_REG_WORD(&reg->ctrl_status);
1974 	data |= CSR_FLASH_ENABLE;
1975 	WRT_REG_WORD(&reg->ctrl_status, data);
1976 	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1977 }
1978 
1979 /**
1980  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1981  * @ha: HA context
1982  */
1983 static void
1984 qla2x00_flash_disable(struct qla_hw_data *ha)
1985 {
1986 	uint16_t data;
1987 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1988 
1989 	data = RD_REG_WORD(&reg->ctrl_status);
1990 	data &= ~(CSR_FLASH_ENABLE);
1991 	WRT_REG_WORD(&reg->ctrl_status, data);
1992 	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1993 }
1994 
1995 /**
1996  * qla2x00_read_flash_byte() - Reads a byte from flash
1997  * @ha: HA context
1998  * @addr: Address in flash to read
1999  *
2000  * A word is read from the chip, but, only the lower byte is valid.
2001  *
2002  * Returns the byte read from flash @addr.
2003  */
2004 static uint8_t
2005 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
2006 {
2007 	uint16_t data;
2008 	uint16_t bank_select;
2009 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2010 
2011 	bank_select = RD_REG_WORD(&reg->ctrl_status);
2012 
2013 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2014 		/* Specify 64K address range: */
2015 		/*  clear out Module Select and Flash Address bits [19:16]. */
2016 		bank_select &= ~0xf8;
2017 		bank_select |= addr >> 12 & 0xf0;
2018 		bank_select |= CSR_FLASH_64K_BANK;
2019 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2020 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2021 
2022 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2023 		data = RD_REG_WORD(&reg->flash_data);
2024 
2025 		return (uint8_t)data;
2026 	}
2027 
2028 	/* Setup bit 16 of flash address. */
2029 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2030 		bank_select |= CSR_FLASH_64K_BANK;
2031 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2032 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2033 	} else if (((addr & BIT_16) == 0) &&
2034 	    (bank_select & CSR_FLASH_64K_BANK)) {
2035 		bank_select &= ~(CSR_FLASH_64K_BANK);
2036 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2037 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2038 	}
2039 
2040 	/* Always perform IO mapped accesses to the FLASH registers. */
2041 	if (ha->pio_address) {
2042 		uint16_t data2;
2043 
2044 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2045 		do {
2046 			data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2047 			barrier();
2048 			cpu_relax();
2049 			data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2050 		} while (data != data2);
2051 	} else {
2052 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2053 		data = qla2x00_debounce_register(&reg->flash_data);
2054 	}
2055 
2056 	return (uint8_t)data;
2057 }
2058 
2059 /**
2060  * qla2x00_write_flash_byte() - Write a byte to flash
2061  * @ha: HA context
2062  * @addr: Address in flash to write
2063  * @data: Data to write
2064  */
2065 static void
2066 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2067 {
2068 	uint16_t bank_select;
2069 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2070 
2071 	bank_select = RD_REG_WORD(&reg->ctrl_status);
2072 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2073 		/* Specify 64K address range: */
2074 		/*  clear out Module Select and Flash Address bits [19:16]. */
2075 		bank_select &= ~0xf8;
2076 		bank_select |= addr >> 12 & 0xf0;
2077 		bank_select |= CSR_FLASH_64K_BANK;
2078 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2079 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2080 
2081 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2082 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2083 		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2084 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2085 
2086 		return;
2087 	}
2088 
2089 	/* Setup bit 16 of flash address. */
2090 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2091 		bank_select |= CSR_FLASH_64K_BANK;
2092 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2093 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2094 	} else if (((addr & BIT_16) == 0) &&
2095 	    (bank_select & CSR_FLASH_64K_BANK)) {
2096 		bank_select &= ~(CSR_FLASH_64K_BANK);
2097 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2098 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2099 	}
2100 
2101 	/* Always perform IO mapped accesses to the FLASH registers. */
2102 	if (ha->pio_address) {
2103 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2104 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2105 	} else {
2106 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2107 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2108 		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2109 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2110 	}
2111 }
2112 
2113 /**
2114  * qla2x00_poll_flash() - Polls flash for completion.
2115  * @ha: HA context
2116  * @addr: Address in flash to poll
2117  * @poll_data: Data to be polled
2118  * @man_id: Flash manufacturer ID
2119  * @flash_id: Flash ID
2120  *
2121  * This function polls the device until bit 7 of what is read matches data
2122  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2123  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2124  * reading bit 5 as a 1.
2125  *
2126  * Returns 0 on success, else non-zero.
2127  */
2128 static int
2129 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2130     uint8_t man_id, uint8_t flash_id)
2131 {
2132 	int status;
2133 	uint8_t flash_data;
2134 	uint32_t cnt;
2135 
2136 	status = 1;
2137 
2138 	/* Wait for 30 seconds for command to finish. */
2139 	poll_data &= BIT_7;
2140 	for (cnt = 3000000; cnt; cnt--) {
2141 		flash_data = qla2x00_read_flash_byte(ha, addr);
2142 		if ((flash_data & BIT_7) == poll_data) {
2143 			status = 0;
2144 			break;
2145 		}
2146 
2147 		if (man_id != 0x40 && man_id != 0xda) {
2148 			if ((flash_data & BIT_5) && cnt > 2)
2149 				cnt = 2;
2150 		}
2151 		udelay(10);
2152 		barrier();
2153 		cond_resched();
2154 	}
2155 	return status;
2156 }
2157 
2158 /**
2159  * qla2x00_program_flash_address() - Programs a flash address
2160  * @ha: HA context
2161  * @addr: Address in flash to program
2162  * @data: Data to be written in flash
2163  * @man_id: Flash manufacturer ID
2164  * @flash_id: Flash ID
2165  *
2166  * Returns 0 on success, else non-zero.
2167  */
2168 static int
2169 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2170     uint8_t data, uint8_t man_id, uint8_t flash_id)
2171 {
2172 	/* Write Program Command Sequence. */
2173 	if (IS_OEM_001(ha)) {
2174 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2175 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2176 		qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2177 		qla2x00_write_flash_byte(ha, addr, data);
2178 	} else {
2179 		if (man_id == 0xda && flash_id == 0xc1) {
2180 			qla2x00_write_flash_byte(ha, addr, data);
2181 			if (addr & 0x7e)
2182 				return 0;
2183 		} else {
2184 			qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2185 			qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2186 			qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2187 			qla2x00_write_flash_byte(ha, addr, data);
2188 		}
2189 	}
2190 
2191 	udelay(150);
2192 
2193 	/* Wait for write to complete. */
2194 	return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2195 }
2196 
2197 /**
2198  * qla2x00_erase_flash() - Erase the flash.
2199  * @ha: HA context
2200  * @man_id: Flash manufacturer ID
2201  * @flash_id: Flash ID
2202  *
2203  * Returns 0 on success, else non-zero.
2204  */
2205 static int
2206 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2207 {
2208 	/* Individual Sector Erase Command Sequence */
2209 	if (IS_OEM_001(ha)) {
2210 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2211 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2212 		qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2213 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2214 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2215 		qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2216 	} else {
2217 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2218 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2219 		qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2220 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2221 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2222 		qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2223 	}
2224 
2225 	udelay(150);
2226 
2227 	/* Wait for erase to complete. */
2228 	return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2229 }
2230 
2231 /**
2232  * qla2x00_erase_flash_sector() - Erase a flash sector.
2233  * @ha: HA context
2234  * @addr: Flash sector to erase
2235  * @sec_mask: Sector address mask
2236  * @man_id: Flash manufacturer ID
2237  * @flash_id: Flash ID
2238  *
2239  * Returns 0 on success, else non-zero.
2240  */
2241 static int
2242 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2243     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2244 {
2245 	/* Individual Sector Erase Command Sequence */
2246 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2247 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2248 	qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2249 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2250 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2251 	if (man_id == 0x1f && flash_id == 0x13)
2252 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2253 	else
2254 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2255 
2256 	udelay(150);
2257 
2258 	/* Wait for erase to complete. */
2259 	return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2260 }
2261 
2262 /**
2263  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2264  * @ha: host adapter
2265  * @man_id: Flash manufacturer ID
2266  * @flash_id: Flash ID
2267  */
2268 static void
2269 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2270     uint8_t *flash_id)
2271 {
2272 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2273 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2274 	qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2275 	*man_id = qla2x00_read_flash_byte(ha, 0x0000);
2276 	*flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2277 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2278 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2279 	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2280 }
2281 
2282 static void
2283 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2284 	uint32_t saddr, uint32_t length)
2285 {
2286 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2287 	uint32_t midpoint, ilength;
2288 	uint8_t data;
2289 
2290 	midpoint = length / 2;
2291 
2292 	WRT_REG_WORD(&reg->nvram, 0);
2293 	RD_REG_WORD(&reg->nvram);
2294 	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2295 		if (ilength == midpoint) {
2296 			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2297 			RD_REG_WORD(&reg->nvram);
2298 		}
2299 		data = qla2x00_read_flash_byte(ha, saddr);
2300 		if (saddr % 100)
2301 			udelay(10);
2302 		*tmp_buf = data;
2303 		cond_resched();
2304 	}
2305 }
2306 
2307 static inline void
2308 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2309 {
2310 	int cnt;
2311 	unsigned long flags;
2312 	struct qla_hw_data *ha = vha->hw;
2313 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2314 
2315 	/* Suspend HBA. */
2316 	scsi_block_requests(vha->host);
2317 	ha->isp_ops->disable_intrs(ha);
2318 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2319 
2320 	/* Pause RISC. */
2321 	spin_lock_irqsave(&ha->hardware_lock, flags);
2322 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2323 	RD_REG_WORD(&reg->hccr);
2324 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2325 		for (cnt = 0; cnt < 30000; cnt++) {
2326 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2327 				break;
2328 			udelay(100);
2329 		}
2330 	} else {
2331 		udelay(10);
2332 	}
2333 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2334 }
2335 
2336 static inline void
2337 qla2x00_resume_hba(struct scsi_qla_host *vha)
2338 {
2339 	struct qla_hw_data *ha = vha->hw;
2340 
2341 	/* Resume HBA. */
2342 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2343 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2344 	qla2xxx_wake_dpc(vha);
2345 	qla2x00_wait_for_chip_reset(vha);
2346 	scsi_unblock_requests(vha->host);
2347 }
2348 
2349 void *
2350 qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2351     uint32_t offset, uint32_t length)
2352 {
2353 	uint32_t addr, midpoint;
2354 	uint8_t *data;
2355 	struct qla_hw_data *ha = vha->hw;
2356 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2357 
2358 	/* Suspend HBA. */
2359 	qla2x00_suspend_hba(vha);
2360 
2361 	/* Go with read. */
2362 	midpoint = ha->optrom_size / 2;
2363 
2364 	qla2x00_flash_enable(ha);
2365 	WRT_REG_WORD(&reg->nvram, 0);
2366 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
2367 	for (addr = offset, data = buf; addr < length; addr++, data++) {
2368 		if (addr == midpoint) {
2369 			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2370 			RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
2371 		}
2372 
2373 		*data = qla2x00_read_flash_byte(ha, addr);
2374 	}
2375 	qla2x00_flash_disable(ha);
2376 
2377 	/* Resume HBA. */
2378 	qla2x00_resume_hba(vha);
2379 
2380 	return buf;
2381 }
2382 
2383 int
2384 qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2385     uint32_t offset, uint32_t length)
2386 {
2387 
2388 	int rval;
2389 	uint8_t man_id, flash_id, sec_number, *data;
2390 	uint16_t wd;
2391 	uint32_t addr, liter, sec_mask, rest_addr;
2392 	struct qla_hw_data *ha = vha->hw;
2393 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2394 
2395 	/* Suspend HBA. */
2396 	qla2x00_suspend_hba(vha);
2397 
2398 	rval = QLA_SUCCESS;
2399 	sec_number = 0;
2400 
2401 	/* Reset ISP chip. */
2402 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2403 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2404 
2405 	/* Go with write. */
2406 	qla2x00_flash_enable(ha);
2407 	do {	/* Loop once to provide quick error exit */
2408 		/* Structure of flash memory based on manufacturer */
2409 		if (IS_OEM_001(ha)) {
2410 			/* OEM variant with special flash part. */
2411 			man_id = flash_id = 0;
2412 			rest_addr = 0xffff;
2413 			sec_mask   = 0x10000;
2414 			goto update_flash;
2415 		}
2416 		qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2417 		switch (man_id) {
2418 		case 0x20: /* ST flash. */
2419 			if (flash_id == 0xd2 || flash_id == 0xe3) {
2420 				/*
2421 				 * ST m29w008at part - 64kb sector size with
2422 				 * 32kb,8kb,8kb,16kb sectors at memory address
2423 				 * 0xf0000.
2424 				 */
2425 				rest_addr = 0xffff;
2426 				sec_mask = 0x10000;
2427 				break;
2428 			}
2429 			/*
2430 			 * ST m29w010b part - 16kb sector size
2431 			 * Default to 16kb sectors
2432 			 */
2433 			rest_addr = 0x3fff;
2434 			sec_mask = 0x1c000;
2435 			break;
2436 		case 0x40: /* Mostel flash. */
2437 			/* Mostel v29c51001 part - 512 byte sector size. */
2438 			rest_addr = 0x1ff;
2439 			sec_mask = 0x1fe00;
2440 			break;
2441 		case 0xbf: /* SST flash. */
2442 			/* SST39sf10 part - 4kb sector size. */
2443 			rest_addr = 0xfff;
2444 			sec_mask = 0x1f000;
2445 			break;
2446 		case 0xda: /* Winbond flash. */
2447 			/* Winbond W29EE011 part - 256 byte sector size. */
2448 			rest_addr = 0x7f;
2449 			sec_mask = 0x1ff80;
2450 			break;
2451 		case 0xc2: /* Macronix flash. */
2452 			/* 64k sector size. */
2453 			if (flash_id == 0x38 || flash_id == 0x4f) {
2454 				rest_addr = 0xffff;
2455 				sec_mask = 0x10000;
2456 				break;
2457 			}
2458 			/* Fall through... */
2459 
2460 		case 0x1f: /* Atmel flash. */
2461 			/* 512k sector size. */
2462 			if (flash_id == 0x13) {
2463 				rest_addr = 0x7fffffff;
2464 				sec_mask =   0x80000000;
2465 				break;
2466 			}
2467 			/* Fall through... */
2468 
2469 		case 0x01: /* AMD flash. */
2470 			if (flash_id == 0x38 || flash_id == 0x40 ||
2471 			    flash_id == 0x4f) {
2472 				/* Am29LV081 part - 64kb sector size. */
2473 				/* Am29LV002BT part - 64kb sector size. */
2474 				rest_addr = 0xffff;
2475 				sec_mask = 0x10000;
2476 				break;
2477 			} else if (flash_id == 0x3e) {
2478 				/*
2479 				 * Am29LV008b part - 64kb sector size with
2480 				 * 32kb,8kb,8kb,16kb sector at memory address
2481 				 * h0xf0000.
2482 				 */
2483 				rest_addr = 0xffff;
2484 				sec_mask = 0x10000;
2485 				break;
2486 			} else if (flash_id == 0x20 || flash_id == 0x6e) {
2487 				/*
2488 				 * Am29LV010 part or AM29f010 - 16kb sector
2489 				 * size.
2490 				 */
2491 				rest_addr = 0x3fff;
2492 				sec_mask = 0x1c000;
2493 				break;
2494 			} else if (flash_id == 0x6d) {
2495 				/* Am29LV001 part - 8kb sector size. */
2496 				rest_addr = 0x1fff;
2497 				sec_mask = 0x1e000;
2498 				break;
2499 			}
2500 			/* fall through */
2501 		default:
2502 			/* Default to 16 kb sector size. */
2503 			rest_addr = 0x3fff;
2504 			sec_mask = 0x1c000;
2505 			break;
2506 		}
2507 
2508 update_flash:
2509 		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2510 			if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2511 				rval = QLA_FUNCTION_FAILED;
2512 				break;
2513 			}
2514 		}
2515 
2516 		for (addr = offset, liter = 0; liter < length; liter++,
2517 		    addr++) {
2518 			data = buf + liter;
2519 			/* Are we at the beginning of a sector? */
2520 			if ((addr & rest_addr) == 0) {
2521 				if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2522 					if (addr >= 0x10000UL) {
2523 						if (((addr >> 12) & 0xf0) &&
2524 						    ((man_id == 0x01 &&
2525 							flash_id == 0x3e) ||
2526 						     (man_id == 0x20 &&
2527 							 flash_id == 0xd2))) {
2528 							sec_number++;
2529 							if (sec_number == 1) {
2530 								rest_addr =
2531 								    0x7fff;
2532 								sec_mask =
2533 								    0x18000;
2534 							} else if (
2535 							    sec_number == 2 ||
2536 							    sec_number == 3) {
2537 								rest_addr =
2538 								    0x1fff;
2539 								sec_mask =
2540 								    0x1e000;
2541 							} else if (
2542 							    sec_number == 4) {
2543 								rest_addr =
2544 								    0x3fff;
2545 								sec_mask =
2546 								    0x1c000;
2547 							}
2548 						}
2549 					}
2550 				} else if (addr == ha->optrom_size / 2) {
2551 					WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2552 					RD_REG_WORD(&reg->nvram);
2553 				}
2554 
2555 				if (flash_id == 0xda && man_id == 0xc1) {
2556 					qla2x00_write_flash_byte(ha, 0x5555,
2557 					    0xaa);
2558 					qla2x00_write_flash_byte(ha, 0x2aaa,
2559 					    0x55);
2560 					qla2x00_write_flash_byte(ha, 0x5555,
2561 					    0xa0);
2562 				} else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2563 					/* Then erase it */
2564 					if (qla2x00_erase_flash_sector(ha,
2565 					    addr, sec_mask, man_id,
2566 					    flash_id)) {
2567 						rval = QLA_FUNCTION_FAILED;
2568 						break;
2569 					}
2570 					if (man_id == 0x01 && flash_id == 0x6d)
2571 						sec_number++;
2572 				}
2573 			}
2574 
2575 			if (man_id == 0x01 && flash_id == 0x6d) {
2576 				if (sec_number == 1 &&
2577 				    addr == (rest_addr - 1)) {
2578 					rest_addr = 0x0fff;
2579 					sec_mask   = 0x1f000;
2580 				} else if (sec_number == 3 && (addr & 0x7ffe)) {
2581 					rest_addr = 0x3fff;
2582 					sec_mask   = 0x1c000;
2583 				}
2584 			}
2585 
2586 			if (qla2x00_program_flash_address(ha, addr, *data,
2587 			    man_id, flash_id)) {
2588 				rval = QLA_FUNCTION_FAILED;
2589 				break;
2590 			}
2591 			cond_resched();
2592 		}
2593 	} while (0);
2594 	qla2x00_flash_disable(ha);
2595 
2596 	/* Resume HBA. */
2597 	qla2x00_resume_hba(vha);
2598 
2599 	return rval;
2600 }
2601 
2602 void *
2603 qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2604     uint32_t offset, uint32_t length)
2605 {
2606 	struct qla_hw_data *ha = vha->hw;
2607 
2608 	/* Suspend HBA. */
2609 	scsi_block_requests(vha->host);
2610 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2611 
2612 	/* Go with read. */
2613 	qla24xx_read_flash_data(vha, (void *)buf, offset >> 2, length >> 2);
2614 
2615 	/* Resume HBA. */
2616 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2617 	scsi_unblock_requests(vha->host);
2618 
2619 	return buf;
2620 }
2621 
2622 static int
2623 qla28xx_extract_sfub_and_verify(struct scsi_qla_host *vha, uint32_t *buf,
2624     uint32_t len, uint32_t buf_size_without_sfub, uint8_t *sfub_buf)
2625 {
2626 	uint32_t *p, check_sum = 0;
2627 	int i;
2628 
2629 	p = buf + buf_size_without_sfub;
2630 
2631 	/* Extract SFUB from end of file */
2632 	memcpy(sfub_buf, (uint8_t *)p,
2633 	    sizeof(struct secure_flash_update_block));
2634 
2635 	for (i = 0; i < (sizeof(struct secure_flash_update_block) >> 2); i++)
2636 		check_sum += p[i];
2637 
2638 	check_sum = (~check_sum) + 1;
2639 
2640 	if (check_sum != p[i]) {
2641 		ql_log(ql_log_warn, vha, 0x7097,
2642 		    "SFUB checksum failed, 0x%x, 0x%x\n",
2643 		    check_sum, p[i]);
2644 		return QLA_COMMAND_ERROR;
2645 	}
2646 
2647 	return QLA_SUCCESS;
2648 }
2649 
2650 static int
2651 qla28xx_get_flash_region(struct scsi_qla_host *vha, uint32_t start,
2652     struct qla_flt_region *region)
2653 {
2654 	struct qla_hw_data *ha = vha->hw;
2655 	struct qla_flt_header *flt;
2656 	struct qla_flt_region *flt_reg;
2657 	uint16_t cnt;
2658 	int rval = QLA_FUNCTION_FAILED;
2659 
2660 	if (!ha->flt)
2661 		return QLA_FUNCTION_FAILED;
2662 
2663 	flt = (struct qla_flt_header *)ha->flt;
2664 	flt_reg = (struct qla_flt_region *)&flt[1];
2665 	cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
2666 
2667 	for (; cnt; cnt--, flt_reg++) {
2668 		if (flt_reg->start == start) {
2669 			memcpy((uint8_t *)region, flt_reg,
2670 			    sizeof(struct qla_flt_region));
2671 			rval = QLA_SUCCESS;
2672 			break;
2673 		}
2674 	}
2675 
2676 	return rval;
2677 }
2678 
2679 static int
2680 qla28xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2681     uint32_t dwords)
2682 {
2683 	struct qla_hw_data *ha = vha->hw;
2684 	ulong liter;
2685 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
2686 	uint32_t sec_mask, rest_addr, fdata;
2687 	void *optrom = NULL;
2688 	dma_addr_t optrom_dma;
2689 	int rval;
2690 	struct secure_flash_update_block *sfub;
2691 	dma_addr_t sfub_dma;
2692 	uint32_t offset = faddr << 2;
2693 	uint32_t buf_size_without_sfub = 0;
2694 	struct qla_flt_region region;
2695 	bool reset_to_rom = false;
2696 	uint32_t risc_size, risc_attr = 0;
2697 	uint32_t *fw_array = NULL;
2698 
2699 	/* Retrieve region info - must be a start address passed in */
2700 	rval = qla28xx_get_flash_region(vha, offset, &region);
2701 
2702 	if (rval != QLA_SUCCESS) {
2703 		ql_log(ql_log_warn, vha, 0xffff,
2704 		    "Invalid address %x - not a region start address\n",
2705 		    offset);
2706 		goto done;
2707 	}
2708 
2709 	/* Allocate dma buffer for burst write */
2710 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2711 	    &optrom_dma, GFP_KERNEL);
2712 	if (!optrom) {
2713 		ql_log(ql_log_warn, vha, 0x7095,
2714 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
2715 		rval = QLA_COMMAND_ERROR;
2716 		goto done;
2717 	}
2718 
2719 	/*
2720 	 * If adapter supports secure flash and region is secure
2721 	 * extract secure flash update block (SFUB) and verify
2722 	 */
2723 	if (ha->flags.secure_adapter && region.attribute) {
2724 
2725 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2726 		    "Region %x is secure\n", region.code);
2727 
2728 		if (region.code == FLT_REG_FW ||
2729 		    region.code == FLT_REG_FW_SEC_27XX) {
2730 			fw_array = dwptr;
2731 
2732 			/* 1st fw array */
2733 			risc_size = be32_to_cpu(fw_array[3]);
2734 			risc_attr = be32_to_cpu(fw_array[9]);
2735 
2736 			buf_size_without_sfub = risc_size;
2737 			fw_array += risc_size;
2738 
2739 			/* 2nd fw array */
2740 			risc_size = be32_to_cpu(fw_array[3]);
2741 
2742 			buf_size_without_sfub += risc_size;
2743 			fw_array += risc_size;
2744 
2745 			/* 1st dump template */
2746 			risc_size = be32_to_cpu(fw_array[2]);
2747 
2748 			/* skip header and ignore checksum */
2749 			buf_size_without_sfub += risc_size;
2750 			fw_array += risc_size;
2751 
2752 			if (risc_attr & BIT_9) {
2753 				/* 2nd dump template */
2754 				risc_size = be32_to_cpu(fw_array[2]);
2755 
2756 				/* skip header and ignore checksum */
2757 				buf_size_without_sfub += risc_size;
2758 				fw_array += risc_size;
2759 			}
2760 		} else {
2761 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2762 			    "Secure region %x not supported\n",
2763 			    region.code);
2764 			rval = QLA_COMMAND_ERROR;
2765 			goto done;
2766 		}
2767 
2768 		sfub = dma_alloc_coherent(&ha->pdev->dev,
2769 			sizeof(struct secure_flash_update_block), &sfub_dma,
2770 			GFP_KERNEL);
2771 		if (!sfub) {
2772 			ql_log(ql_log_warn, vha, 0xffff,
2773 			    "Unable to allocate memory for SFUB\n");
2774 			rval = QLA_COMMAND_ERROR;
2775 			goto done;
2776 		}
2777 
2778 		rval = qla28xx_extract_sfub_and_verify(vha, dwptr, dwords,
2779 			buf_size_without_sfub, (uint8_t *)sfub);
2780 
2781 		if (rval != QLA_SUCCESS)
2782 			goto done;
2783 
2784 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2785 		    "SFUB extract and verify successful\n");
2786 	}
2787 
2788 	rest_addr = (ha->fdt_block_size >> 2) - 1;
2789 	sec_mask = ~rest_addr;
2790 
2791 	/* Lock semaphore */
2792 	rval = qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_LOCK);
2793 	if (rval != QLA_SUCCESS) {
2794 		ql_log(ql_log_warn, vha, 0xffff,
2795 		    "Unable to lock flash semaphore.");
2796 		goto done;
2797 	}
2798 
2799 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2800 	    "Unprotect flash...\n");
2801 	rval = qla24xx_unprotect_flash(vha);
2802 	if (rval) {
2803 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2804 		ql_log(ql_log_warn, vha, 0x7096, "Failed unprotect flash\n");
2805 		goto done;
2806 	}
2807 
2808 	for (liter = 0; liter < dwords; liter++, faddr++) {
2809 		fdata = (faddr & sec_mask) << 2;
2810 
2811 		/* If start of sector */
2812 		if (!(faddr & rest_addr)) {
2813 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2814 			    "Erase sector %#x...\n", faddr);
2815 			rval = qla24xx_erase_sector(vha, fdata);
2816 			if (rval) {
2817 				ql_dbg(ql_dbg_user, vha, 0x7007,
2818 				    "Failed erase sector %#x\n", faddr);
2819 				goto write_protect;
2820 			}
2821 		}
2822 	}
2823 
2824 	if (ha->flags.secure_adapter) {
2825 		/*
2826 		 * If adapter supports secure flash but FW doesn't,
2827 		 * disable write protect, release semaphore and reset
2828 		 * chip to execute ROM code in order to update region securely
2829 		 */
2830 		if (!ha->flags.secure_fw) {
2831 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2832 			    "Disable Write and Release Semaphore.");
2833 			rval = qla24xx_protect_flash(vha);
2834 			if (rval != QLA_SUCCESS) {
2835 				qla81xx_fac_semaphore_access(vha,
2836 					FAC_SEMAPHORE_UNLOCK);
2837 				ql_log(ql_log_warn, vha, 0xffff,
2838 				    "Unable to protect flash.");
2839 				goto done;
2840 			}
2841 
2842 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2843 			    "Reset chip to ROM.");
2844 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2845 			set_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags);
2846 			qla2xxx_wake_dpc(vha);
2847 			rval = qla2x00_wait_for_chip_reset(vha);
2848 			if (rval != QLA_SUCCESS) {
2849 				ql_log(ql_log_warn, vha, 0xffff,
2850 				    "Unable to reset to ROM code.");
2851 				goto done;
2852 			}
2853 			reset_to_rom = true;
2854 			ha->flags.fac_supported = 0;
2855 
2856 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2857 			    "Lock Semaphore");
2858 			rval = qla2xxx_write_remote_register(vha,
2859 			    FLASH_SEMAPHORE_REGISTER_ADDR, 0x00020002);
2860 			if (rval != QLA_SUCCESS) {
2861 				ql_log(ql_log_warn, vha, 0xffff,
2862 				    "Unable to lock flash semaphore.");
2863 				goto done;
2864 			}
2865 
2866 			/* Unprotect flash */
2867 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2868 			    "Enable Write.");
2869 			rval = qla2x00_write_ram_word(vha, 0x7ffd0101, 0);
2870 			if (rval) {
2871 				ql_log(ql_log_warn, vha, 0x7096,
2872 				    "Failed unprotect flash\n");
2873 				goto done;
2874 			}
2875 		}
2876 
2877 		/* If region is secure, send Secure Flash MB Cmd */
2878 		if (region.attribute && buf_size_without_sfub) {
2879 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2880 			    "Sending Secure Flash MB Cmd\n");
2881 			rval = qla28xx_secure_flash_update(vha, 0, region.code,
2882 				buf_size_without_sfub, sfub_dma,
2883 				sizeof(struct secure_flash_update_block));
2884 			if (rval != QLA_SUCCESS) {
2885 				ql_log(ql_log_warn, vha, 0xffff,
2886 				    "Secure Flash MB Cmd failed %x.", rval);
2887 				goto write_protect;
2888 			}
2889 		}
2890 
2891 	}
2892 
2893 	/* re-init flash offset */
2894 	faddr = offset >> 2;
2895 
2896 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
2897 		fdata = (faddr & sec_mask) << 2;
2898 
2899 		/* If smaller than a burst remaining */
2900 		if (dwords - liter < dburst)
2901 			dburst = dwords - liter;
2902 
2903 		/* Copy to dma buffer */
2904 		memcpy(optrom, dwptr, dburst << 2);
2905 
2906 		/* Burst write */
2907 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2908 		    "Write burst (%#lx dwords)...\n", dburst);
2909 		rval = qla2x00_load_ram(vha, optrom_dma,
2910 		    flash_data_addr(ha, faddr), dburst);
2911 		if (rval != QLA_SUCCESS) {
2912 			ql_log(ql_log_warn, vha, 0x7097,
2913 			    "Failed burst write at %x (%p/%#llx)...\n",
2914 			    flash_data_addr(ha, faddr), optrom,
2915 			    (u64)optrom_dma);
2916 			break;
2917 		}
2918 
2919 		liter += dburst - 1;
2920 		faddr += dburst - 1;
2921 		dwptr += dburst - 1;
2922 		continue;
2923 	}
2924 
2925 write_protect:
2926 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2927 	    "Protect flash...\n");
2928 	rval = qla24xx_protect_flash(vha);
2929 	if (rval) {
2930 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2931 		ql_log(ql_log_warn, vha, 0x7099,
2932 		    "Failed protect flash\n");
2933 	}
2934 
2935 	if (reset_to_rom == true) {
2936 		/* Schedule DPC to restart the RISC */
2937 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2938 		qla2xxx_wake_dpc(vha);
2939 
2940 		rval = qla2x00_wait_for_hba_online(vha);
2941 		if (rval != QLA_SUCCESS)
2942 			ql_log(ql_log_warn, vha, 0xffff,
2943 			    "Adapter did not come out of reset\n");
2944 	}
2945 
2946 done:
2947 	if (optrom)
2948 		dma_free_coherent(&ha->pdev->dev,
2949 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
2950 
2951 	return rval;
2952 }
2953 
2954 int
2955 qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2956     uint32_t offset, uint32_t length)
2957 {
2958 	int rval;
2959 	struct qla_hw_data *ha = vha->hw;
2960 
2961 	/* Suspend HBA. */
2962 	scsi_block_requests(vha->host);
2963 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2964 
2965 	/* Go with write. */
2966 	if (IS_QLA28XX(ha))
2967 		rval = qla28xx_write_flash_data(vha, (uint32_t *)buf,
2968 		    offset >> 2, length >> 2);
2969 	else
2970 		rval = qla24xx_write_flash_data(vha, (uint32_t *)buf,
2971 		    offset >> 2, length >> 2);
2972 
2973 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2974 	scsi_unblock_requests(vha->host);
2975 
2976 	return rval;
2977 }
2978 
2979 void *
2980 qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2981     uint32_t offset, uint32_t length)
2982 {
2983 	int rval;
2984 	dma_addr_t optrom_dma;
2985 	void *optrom;
2986 	uint8_t *pbuf;
2987 	uint32_t faddr, left, burst;
2988 	struct qla_hw_data *ha = vha->hw;
2989 
2990 	if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
2991 	    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2992 		goto try_fast;
2993 	if (offset & 0xfff)
2994 		goto slow_read;
2995 	if (length < OPTROM_BURST_SIZE)
2996 		goto slow_read;
2997 
2998 try_fast:
2999 	if (offset & 0xff)
3000 		goto slow_read;
3001 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3002 	    &optrom_dma, GFP_KERNEL);
3003 	if (!optrom) {
3004 		ql_log(ql_log_warn, vha, 0x00cc,
3005 		    "Unable to allocate memory for optrom burst read (%x KB).\n",
3006 		    OPTROM_BURST_SIZE / 1024);
3007 		goto slow_read;
3008 	}
3009 
3010 	pbuf = buf;
3011 	faddr = offset >> 2;
3012 	left = length >> 2;
3013 	burst = OPTROM_BURST_DWORDS;
3014 	while (left != 0) {
3015 		if (burst > left)
3016 			burst = left;
3017 
3018 		rval = qla2x00_dump_ram(vha, optrom_dma,
3019 		    flash_data_addr(ha, faddr), burst);
3020 		if (rval) {
3021 			ql_log(ql_log_warn, vha, 0x00f5,
3022 			    "Unable to burst-read optrom segment (%x/%x/%llx).\n",
3023 			    rval, flash_data_addr(ha, faddr),
3024 			    (unsigned long long)optrom_dma);
3025 			ql_log(ql_log_warn, vha, 0x00f6,
3026 			    "Reverting to slow-read.\n");
3027 
3028 			dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3029 			    optrom, optrom_dma);
3030 			goto slow_read;
3031 		}
3032 
3033 		memcpy(pbuf, optrom, burst * 4);
3034 
3035 		left -= burst;
3036 		faddr += burst;
3037 		pbuf += burst * 4;
3038 	}
3039 
3040 	dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
3041 	    optrom_dma);
3042 
3043 	return buf;
3044 
3045 slow_read:
3046     return qla24xx_read_optrom_data(vha, buf, offset, length);
3047 }
3048 
3049 /**
3050  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
3051  * @ha: HA context
3052  * @pcids: Pointer to the FCODE PCI data structure
3053  *
3054  * The process of retrieving the FCODE version information is at best
3055  * described as interesting.
3056  *
3057  * Within the first 100h bytes of the image an ASCII string is present
3058  * which contains several pieces of information including the FCODE
3059  * version.  Unfortunately it seems the only reliable way to retrieve
3060  * the version is by scanning for another sentinel within the string,
3061  * the FCODE build date:
3062  *
3063  *	... 2.00.02 10/17/02 ...
3064  *
3065  * Returns QLA_SUCCESS on successful retrieval of version.
3066  */
3067 static void
3068 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
3069 {
3070 	int ret = QLA_FUNCTION_FAILED;
3071 	uint32_t istart, iend, iter, vend;
3072 	uint8_t do_next, rbyte, *vbyte;
3073 
3074 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3075 
3076 	/* Skip the PCI data structure. */
3077 	istart = pcids +
3078 	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
3079 		qla2x00_read_flash_byte(ha, pcids + 0x0A));
3080 	iend = istart + 0x100;
3081 	do {
3082 		/* Scan for the sentinel date string...eeewww. */
3083 		do_next = 0;
3084 		iter = istart;
3085 		while ((iter < iend) && !do_next) {
3086 			iter++;
3087 			if (qla2x00_read_flash_byte(ha, iter) == '/') {
3088 				if (qla2x00_read_flash_byte(ha, iter + 2) ==
3089 				    '/')
3090 					do_next++;
3091 				else if (qla2x00_read_flash_byte(ha,
3092 				    iter + 3) == '/')
3093 					do_next++;
3094 			}
3095 		}
3096 		if (!do_next)
3097 			break;
3098 
3099 		/* Backtrack to previous ' ' (space). */
3100 		do_next = 0;
3101 		while ((iter > istart) && !do_next) {
3102 			iter--;
3103 			if (qla2x00_read_flash_byte(ha, iter) == ' ')
3104 				do_next++;
3105 		}
3106 		if (!do_next)
3107 			break;
3108 
3109 		/*
3110 		 * Mark end of version tag, and find previous ' ' (space) or
3111 		 * string length (recent FCODE images -- major hack ahead!!!).
3112 		 */
3113 		vend = iter - 1;
3114 		do_next = 0;
3115 		while ((iter > istart) && !do_next) {
3116 			iter--;
3117 			rbyte = qla2x00_read_flash_byte(ha, iter);
3118 			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
3119 				do_next++;
3120 		}
3121 		if (!do_next)
3122 			break;
3123 
3124 		/* Mark beginning of version tag, and copy data. */
3125 		iter++;
3126 		if ((vend - iter) &&
3127 		    ((vend - iter) < sizeof(ha->fcode_revision))) {
3128 			vbyte = ha->fcode_revision;
3129 			while (iter <= vend) {
3130 				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
3131 				iter++;
3132 			}
3133 			ret = QLA_SUCCESS;
3134 		}
3135 	} while (0);
3136 
3137 	if (ret != QLA_SUCCESS)
3138 		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3139 }
3140 
3141 int
3142 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3143 {
3144 	int ret = QLA_SUCCESS;
3145 	uint8_t code_type, last_image;
3146 	uint32_t pcihdr, pcids;
3147 	uint8_t *dbyte;
3148 	uint16_t *dcode;
3149 	struct qla_hw_data *ha = vha->hw;
3150 
3151 	if (!ha->pio_address || !mbuf)
3152 		return QLA_FUNCTION_FAILED;
3153 
3154 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3155 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3156 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3157 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3158 
3159 	qla2x00_flash_enable(ha);
3160 
3161 	/* Begin with first PCI expansion ROM header. */
3162 	pcihdr = 0;
3163 	last_image = 1;
3164 	do {
3165 		/* Verify PCI expansion ROM header. */
3166 		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
3167 		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
3168 			/* No signature */
3169 			ql_log(ql_log_fatal, vha, 0x0050,
3170 			    "No matching ROM signature.\n");
3171 			ret = QLA_FUNCTION_FAILED;
3172 			break;
3173 		}
3174 
3175 		/* Locate PCI data structure. */
3176 		pcids = pcihdr +
3177 		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
3178 			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
3179 
3180 		/* Validate signature of PCI data structure. */
3181 		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
3182 		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
3183 		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
3184 		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
3185 			/* Incorrect header. */
3186 			ql_log(ql_log_fatal, vha, 0x0051,
3187 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3188 			ret = QLA_FUNCTION_FAILED;
3189 			break;
3190 		}
3191 
3192 		/* Read version */
3193 		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
3194 		switch (code_type) {
3195 		case ROM_CODE_TYPE_BIOS:
3196 			/* Intel x86, PC-AT compatible. */
3197 			ha->bios_revision[0] =
3198 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3199 			ha->bios_revision[1] =
3200 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3201 			ql_dbg(ql_dbg_init, vha, 0x0052,
3202 			    "Read BIOS %d.%d.\n",
3203 			    ha->bios_revision[1], ha->bios_revision[0]);
3204 			break;
3205 		case ROM_CODE_TYPE_FCODE:
3206 			/* Open Firmware standard for PCI (FCode). */
3207 			/* Eeeewww... */
3208 			qla2x00_get_fcode_version(ha, pcids);
3209 			break;
3210 		case ROM_CODE_TYPE_EFI:
3211 			/* Extensible Firmware Interface (EFI). */
3212 			ha->efi_revision[0] =
3213 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3214 			ha->efi_revision[1] =
3215 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3216 			ql_dbg(ql_dbg_init, vha, 0x0053,
3217 			    "Read EFI %d.%d.\n",
3218 			    ha->efi_revision[1], ha->efi_revision[0]);
3219 			break;
3220 		default:
3221 			ql_log(ql_log_warn, vha, 0x0054,
3222 			    "Unrecognized code type %x at pcids %x.\n",
3223 			    code_type, pcids);
3224 			break;
3225 		}
3226 
3227 		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
3228 
3229 		/* Locate next PCI expansion ROM. */
3230 		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
3231 		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
3232 	} while (!last_image);
3233 
3234 	if (IS_QLA2322(ha)) {
3235 		/* Read firmware image information. */
3236 		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3237 		dbyte = mbuf;
3238 		memset(dbyte, 0, 8);
3239 		dcode = (uint16_t *)dbyte;
3240 
3241 		qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
3242 		    8);
3243 		ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
3244 		    "Dumping fw "
3245 		    "ver from flash:.\n");
3246 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
3247 		    dbyte, 32);
3248 
3249 		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
3250 		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
3251 		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3252 		    dcode[3] == 0)) {
3253 			ql_log(ql_log_warn, vha, 0x0057,
3254 			    "Unrecognized fw revision at %x.\n",
3255 			    ha->flt_region_fw * 4);
3256 		} else {
3257 			/* values are in big endian */
3258 			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
3259 			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
3260 			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
3261 			ql_dbg(ql_dbg_init, vha, 0x0058,
3262 			    "FW Version: "
3263 			    "%d.%d.%d.\n", ha->fw_revision[0],
3264 			    ha->fw_revision[1], ha->fw_revision[2]);
3265 		}
3266 	}
3267 
3268 	qla2x00_flash_disable(ha);
3269 
3270 	return ret;
3271 }
3272 
3273 int
3274 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3275 {
3276 	int ret = QLA_SUCCESS;
3277 	uint32_t pcihdr, pcids;
3278 	uint32_t *dcode = mbuf;
3279 	uint8_t *bcode = mbuf;
3280 	uint8_t code_type, last_image;
3281 	struct qla_hw_data *ha = vha->hw;
3282 
3283 	if (!mbuf)
3284 		return QLA_FUNCTION_FAILED;
3285 
3286 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3287 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3288 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3289 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3290 
3291 	/* Begin with first PCI expansion ROM header. */
3292 	pcihdr = ha->flt_region_boot << 2;
3293 	last_image = 1;
3294 	do {
3295 		/* Verify PCI expansion ROM header. */
3296 		ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
3297 		bcode = mbuf + (pcihdr % 4);
3298 		if (memcmp(bcode, "\x55\xaa", 2)) {
3299 			/* No signature */
3300 			ql_log(ql_log_fatal, vha, 0x0154,
3301 			    "No matching ROM signature.\n");
3302 			ret = QLA_FUNCTION_FAILED;
3303 			break;
3304 		}
3305 
3306 		/* Locate PCI data structure. */
3307 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3308 
3309 		ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
3310 		bcode = mbuf + (pcihdr % 4);
3311 
3312 		/* Validate signature of PCI data structure. */
3313 		if (memcmp(bcode, "PCIR", 4)) {
3314 			/* Incorrect header. */
3315 			ql_log(ql_log_fatal, vha, 0x0155,
3316 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3317 			ret = QLA_FUNCTION_FAILED;
3318 			break;
3319 		}
3320 
3321 		/* Read version */
3322 		code_type = bcode[0x14];
3323 		switch (code_type) {
3324 		case ROM_CODE_TYPE_BIOS:
3325 			/* Intel x86, PC-AT compatible. */
3326 			ha->bios_revision[0] = bcode[0x12];
3327 			ha->bios_revision[1] = bcode[0x13];
3328 			ql_dbg(ql_dbg_init, vha, 0x0156,
3329 			    "Read BIOS %d.%d.\n",
3330 			    ha->bios_revision[1], ha->bios_revision[0]);
3331 			break;
3332 		case ROM_CODE_TYPE_FCODE:
3333 			/* Open Firmware standard for PCI (FCode). */
3334 			ha->fcode_revision[0] = bcode[0x12];
3335 			ha->fcode_revision[1] = bcode[0x13];
3336 			ql_dbg(ql_dbg_init, vha, 0x0157,
3337 			    "Read FCODE %d.%d.\n",
3338 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3339 			break;
3340 		case ROM_CODE_TYPE_EFI:
3341 			/* Extensible Firmware Interface (EFI). */
3342 			ha->efi_revision[0] = bcode[0x12];
3343 			ha->efi_revision[1] = bcode[0x13];
3344 			ql_dbg(ql_dbg_init, vha, 0x0158,
3345 			    "Read EFI %d.%d.\n",
3346 			    ha->efi_revision[1], ha->efi_revision[0]);
3347 			break;
3348 		default:
3349 			ql_log(ql_log_warn, vha, 0x0159,
3350 			    "Unrecognized code type %x at pcids %x.\n",
3351 			    code_type, pcids);
3352 			break;
3353 		}
3354 
3355 		last_image = bcode[0x15] & BIT_7;
3356 
3357 		/* Locate next PCI expansion ROM. */
3358 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3359 	} while (!last_image);
3360 
3361 	/* Read firmware image information. */
3362 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3363 	dcode = mbuf;
3364 	ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
3365 	bcode = mbuf + (pcihdr % 4);
3366 
3367 	/* Validate signature of PCI data structure. */
3368 	if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3369 	    bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3370 		ha->fw_revision[0] = bcode[0x4];
3371 		ha->fw_revision[1] = bcode[0x5];
3372 		ha->fw_revision[2] = bcode[0x6];
3373 		ql_dbg(ql_dbg_init, vha, 0x0153,
3374 		    "Firmware revision %d.%d.%d\n",
3375 		    ha->fw_revision[0], ha->fw_revision[1],
3376 		    ha->fw_revision[2]);
3377 	}
3378 
3379 	return ret;
3380 }
3381 
3382 int
3383 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3384 {
3385 	int ret = QLA_SUCCESS;
3386 	uint32_t pcihdr = 0, pcids = 0;
3387 	uint32_t *dcode = mbuf;
3388 	uint8_t *bcode = mbuf;
3389 	uint8_t code_type, last_image;
3390 	int i;
3391 	struct qla_hw_data *ha = vha->hw;
3392 	uint32_t faddr = 0;
3393 	struct active_regions active_regions = { };
3394 
3395 	if (IS_P3P_TYPE(ha))
3396 		return ret;
3397 
3398 	if (!mbuf)
3399 		return QLA_FUNCTION_FAILED;
3400 
3401 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3402 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3403 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3404 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3405 
3406 	pcihdr = ha->flt_region_boot << 2;
3407 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3408 		qla27xx_get_active_image(vha, &active_regions);
3409 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE) {
3410 			pcihdr = ha->flt_region_boot_sec << 2;
3411 		}
3412 	}
3413 
3414 	do {
3415 		/* Verify PCI expansion ROM header. */
3416 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3417 		bcode = mbuf + (pcihdr % 4);
3418 		if (memcmp(bcode, "\x55\xaa", 2)) {
3419 			/* No signature */
3420 			ql_log(ql_log_fatal, vha, 0x0059,
3421 			    "No matching ROM signature.\n");
3422 			ret = QLA_FUNCTION_FAILED;
3423 			break;
3424 		}
3425 
3426 		/* Locate PCI data structure. */
3427 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3428 
3429 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3430 		bcode = mbuf + (pcihdr % 4);
3431 
3432 		/* Validate signature of PCI data structure. */
3433 		if (memcmp(bcode, "PCIR", 4)) {
3434 			/* Incorrect header. */
3435 			ql_log(ql_log_fatal, vha, 0x005a,
3436 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3437 			ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
3438 			ret = QLA_FUNCTION_FAILED;
3439 			break;
3440 		}
3441 
3442 		/* Read version */
3443 		code_type = bcode[0x14];
3444 		switch (code_type) {
3445 		case ROM_CODE_TYPE_BIOS:
3446 			/* Intel x86, PC-AT compatible. */
3447 			ha->bios_revision[0] = bcode[0x12];
3448 			ha->bios_revision[1] = bcode[0x13];
3449 			ql_dbg(ql_dbg_init, vha, 0x005b,
3450 			    "Read BIOS %d.%d.\n",
3451 			    ha->bios_revision[1], ha->bios_revision[0]);
3452 			break;
3453 		case ROM_CODE_TYPE_FCODE:
3454 			/* Open Firmware standard for PCI (FCode). */
3455 			ha->fcode_revision[0] = bcode[0x12];
3456 			ha->fcode_revision[1] = bcode[0x13];
3457 			ql_dbg(ql_dbg_init, vha, 0x005c,
3458 			    "Read FCODE %d.%d.\n",
3459 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3460 			break;
3461 		case ROM_CODE_TYPE_EFI:
3462 			/* Extensible Firmware Interface (EFI). */
3463 			ha->efi_revision[0] = bcode[0x12];
3464 			ha->efi_revision[1] = bcode[0x13];
3465 			ql_dbg(ql_dbg_init, vha, 0x005d,
3466 			    "Read EFI %d.%d.\n",
3467 			    ha->efi_revision[1], ha->efi_revision[0]);
3468 			break;
3469 		default:
3470 			ql_log(ql_log_warn, vha, 0x005e,
3471 			    "Unrecognized code type %x at pcids %x.\n",
3472 			    code_type, pcids);
3473 			break;
3474 		}
3475 
3476 		last_image = bcode[0x15] & BIT_7;
3477 
3478 		/* Locate next PCI expansion ROM. */
3479 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3480 	} while (!last_image);
3481 
3482 	/* Read firmware image information. */
3483 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3484 	faddr = ha->flt_region_fw;
3485 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3486 		qla27xx_get_active_image(vha, &active_regions);
3487 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE)
3488 			faddr = ha->flt_region_fw_sec;
3489 	}
3490 
3491 	qla24xx_read_flash_data(vha, dcode, faddr, 8);
3492 	if (qla24xx_risc_firmware_invalid(dcode)) {
3493 		ql_log(ql_log_warn, vha, 0x005f,
3494 		    "Unrecognized fw revision at %x.\n",
3495 		    ha->flt_region_fw * 4);
3496 		ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
3497 	} else {
3498 		for (i = 0; i < 4; i++)
3499 			ha->fw_revision[i] = be32_to_cpu(dcode[4+i]);
3500 		ql_dbg(ql_dbg_init, vha, 0x0060,
3501 		    "Firmware revision (flash) %u.%u.%u (%x).\n",
3502 		    ha->fw_revision[0], ha->fw_revision[1],
3503 		    ha->fw_revision[2], ha->fw_revision[3]);
3504 	}
3505 
3506 	/* Check for golden firmware and get version if available */
3507 	if (!IS_QLA81XX(ha)) {
3508 		/* Golden firmware is not present in non 81XX adapters */
3509 		return ret;
3510 	}
3511 
3512 	memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3513 	faddr = ha->flt_region_gold_fw;
3514 	qla24xx_read_flash_data(vha, (void *)dcode, ha->flt_region_gold_fw, 8);
3515 	if (qla24xx_risc_firmware_invalid(dcode)) {
3516 		ql_log(ql_log_warn, vha, 0x0056,
3517 		    "Unrecognized golden fw at %#x.\n", faddr);
3518 		ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
3519 		return ret;
3520 	}
3521 
3522 	for (i = 0; i < 4; i++)
3523 		ha->gold_fw_version[i] = be32_to_cpu(dcode[4+i]);
3524 
3525 	return ret;
3526 }
3527 
3528 static int
3529 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3530 {
3531 	if (pos >= end || *pos != 0x82)
3532 		return 0;
3533 
3534 	pos += 3 + pos[1];
3535 	if (pos >= end || *pos != 0x90)
3536 		return 0;
3537 
3538 	pos += 3 + pos[1];
3539 	if (pos >= end || *pos != 0x78)
3540 		return 0;
3541 
3542 	return 1;
3543 }
3544 
3545 int
3546 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3547 {
3548 	struct qla_hw_data *ha = vha->hw;
3549 	uint8_t *pos = ha->vpd;
3550 	uint8_t *end = pos + ha->vpd_size;
3551 	int len = 0;
3552 
3553 	if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3554 		return 0;
3555 
3556 	while (pos < end && *pos != 0x78) {
3557 		len = (*pos == 0x82) ? pos[1] : pos[2];
3558 
3559 		if (!strncmp(pos, key, strlen(key)))
3560 			break;
3561 
3562 		if (*pos != 0x90 && *pos != 0x91)
3563 			pos += len;
3564 
3565 		pos += 3;
3566 	}
3567 
3568 	if (pos < end - len && *pos != 0x78)
3569 		return scnprintf(str, size, "%.*s", len, pos + 3);
3570 
3571 	return 0;
3572 }
3573 
3574 int
3575 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3576 {
3577 	int len, max_len;
3578 	uint32_t fcp_prio_addr;
3579 	struct qla_hw_data *ha = vha->hw;
3580 
3581 	if (!ha->fcp_prio_cfg) {
3582 		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3583 		if (!ha->fcp_prio_cfg) {
3584 			ql_log(ql_log_warn, vha, 0x00d5,
3585 			    "Unable to allocate memory for fcp priority data (%x).\n",
3586 			    FCP_PRIO_CFG_SIZE);
3587 			return QLA_FUNCTION_FAILED;
3588 		}
3589 	}
3590 	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3591 
3592 	fcp_prio_addr = ha->flt_region_fcp_prio;
3593 
3594 	/* first read the fcp priority data header from flash */
3595 	ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
3596 			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3597 
3598 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3599 		goto fail;
3600 
3601 	/* read remaining FCP CMD config data from flash */
3602 	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3603 	len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
3604 	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3605 
3606 	ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
3607 			fcp_prio_addr << 2, (len < max_len ? len : max_len));
3608 
3609 	/* revalidate the entire FCP priority config data, including entries */
3610 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3611 		goto fail;
3612 
3613 	ha->flags.fcp_prio_enabled = 1;
3614 	return QLA_SUCCESS;
3615 fail:
3616 	vfree(ha->fcp_prio_cfg);
3617 	ha->fcp_prio_cfg = NULL;
3618 	return QLA_FUNCTION_FAILED;
3619 }
3620