xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_sup.c (revision 4eb5928d)
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, __le16 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 |= (__force u16)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 			     __le16 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 |= (__force u16)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 	__le16 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 != cpu_to_le16(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;
553 	__le16 *wptr;
554 	struct qla_hw_data *ha = vha->hw;
555 	struct req_que *req = ha->req_q_map[0];
556 	struct qla_flt_location *fltl = (void *)req->ring;
557 	uint32_t *dcode = (uint32_t *)req->ring;
558 	uint8_t *buf = (void *)req->ring, *bcode,  last_image;
559 
560 	/*
561 	 * FLT-location structure resides after the last PCI region.
562 	 */
563 
564 	/* Begin with sane defaults. */
565 	loc = locations[0];
566 	*start = 0;
567 	if (IS_QLA24XX_TYPE(ha))
568 		*start = FA_FLASH_LAYOUT_ADDR_24;
569 	else if (IS_QLA25XX(ha))
570 		*start = FA_FLASH_LAYOUT_ADDR;
571 	else if (IS_QLA81XX(ha))
572 		*start = FA_FLASH_LAYOUT_ADDR_81;
573 	else if (IS_P3P_TYPE(ha)) {
574 		*start = FA_FLASH_LAYOUT_ADDR_82;
575 		goto end;
576 	} else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
577 		*start = FA_FLASH_LAYOUT_ADDR_83;
578 		goto end;
579 	} else if (IS_QLA28XX(ha)) {
580 		*start = FA_FLASH_LAYOUT_ADDR_28;
581 		goto end;
582 	}
583 
584 	/* Begin with first PCI expansion ROM header. */
585 	pcihdr = 0;
586 	do {
587 		/* Verify PCI expansion ROM header. */
588 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
589 		bcode = buf + (pcihdr % 4);
590 		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
591 			goto end;
592 
593 		/* Locate PCI data structure. */
594 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
595 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
596 		bcode = buf + (pcihdr % 4);
597 
598 		/* Validate signature of PCI data structure. */
599 		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
600 		    bcode[0x2] != 'I' || bcode[0x3] != 'R')
601 			goto end;
602 
603 		last_image = bcode[0x15] & BIT_7;
604 
605 		/* Locate next PCI expansion ROM. */
606 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
607 	} while (!last_image);
608 
609 	/* Now verify FLT-location structure. */
610 	qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2);
611 	if (memcmp(fltl->sig, "QFLT", 4))
612 		goto end;
613 
614 	wptr = (__force __le16 *)req->ring;
615 	cnt = sizeof(*fltl) / sizeof(*wptr);
616 	for (chksum = 0; cnt--; wptr++)
617 		chksum += le16_to_cpu(*wptr);
618 	if (chksum) {
619 		ql_log(ql_log_fatal, vha, 0x0045,
620 		    "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
621 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
622 		    fltl, sizeof(*fltl));
623 		return QLA_FUNCTION_FAILED;
624 	}
625 
626 	/* Good data.  Use specified location. */
627 	loc = locations[1];
628 	*start = (le16_to_cpu(fltl->start_hi) << 16 |
629 	    le16_to_cpu(fltl->start_lo)) >> 2;
630 end:
631 	ql_dbg(ql_dbg_init, vha, 0x0046,
632 	    "FLTL[%s] = 0x%x.\n",
633 	    loc, *start);
634 	return QLA_SUCCESS;
635 }
636 
637 static void
638 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
639 {
640 	const char *locations[] = { "DEF", "FLT" }, *loc = locations[1];
641 	const uint32_t def_fw[] =
642 		{ FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
643 	const uint32_t def_boot[] =
644 		{ FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
645 	const uint32_t def_vpd_nvram[] =
646 		{ FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
647 	const uint32_t def_vpd0[] =
648 		{ 0, 0, FA_VPD0_ADDR_81 };
649 	const uint32_t def_vpd1[] =
650 		{ 0, 0, FA_VPD1_ADDR_81 };
651 	const uint32_t def_nvram0[] =
652 		{ 0, 0, FA_NVRAM0_ADDR_81 };
653 	const uint32_t def_nvram1[] =
654 		{ 0, 0, FA_NVRAM1_ADDR_81 };
655 	const uint32_t def_fdt[] =
656 		{ FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
657 			FA_FLASH_DESCR_ADDR_81 };
658 	const uint32_t def_npiv_conf0[] =
659 		{ FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
660 			FA_NPIV_CONF0_ADDR_81 };
661 	const uint32_t def_npiv_conf1[] =
662 		{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
663 			FA_NPIV_CONF1_ADDR_81 };
664 	const uint32_t fcp_prio_cfg0[] =
665 		{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
666 			0 };
667 	const uint32_t fcp_prio_cfg1[] =
668 		{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
669 			0 };
670 
671 	struct qla_hw_data *ha = vha->hw;
672 	uint32_t def = IS_QLA81XX(ha) ? 2 : IS_QLA25XX(ha) ? 1 : 0;
673 	struct qla_flt_header *flt = ha->flt;
674 	struct qla_flt_region *region = &flt->region[0];
675 	__le16 *wptr;
676 	uint16_t cnt, chksum;
677 	uint32_t start;
678 
679 	/* Assign FCP prio region since older adapters may not have FLT, or
680 	   FCP prio region in it's FLT.
681 	 */
682 	ha->flt_region_fcp_prio = (ha->port_no == 0) ?
683 	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
684 
685 	ha->flt_region_flt = flt_addr;
686 	wptr = (__force __le16 *)ha->flt;
687 	ha->isp_ops->read_optrom(vha, flt, flt_addr << 2,
688 	    (sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE));
689 
690 	if (le16_to_cpu(*wptr) == 0xffff)
691 		goto no_flash_data;
692 	if (flt->version != cpu_to_le16(1)) {
693 		ql_log(ql_log_warn, vha, 0x0047,
694 		    "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
695 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
696 		    le16_to_cpu(flt->checksum));
697 		goto no_flash_data;
698 	}
699 
700 	cnt = (sizeof(*flt) + le16_to_cpu(flt->length)) / sizeof(*wptr);
701 	for (chksum = 0; cnt--; wptr++)
702 		chksum += le16_to_cpu(*wptr);
703 	if (chksum) {
704 		ql_log(ql_log_fatal, vha, 0x0048,
705 		    "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
706 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
707 		    le16_to_cpu(flt->checksum));
708 		goto no_flash_data;
709 	}
710 
711 	cnt = le16_to_cpu(flt->length) / sizeof(*region);
712 	for ( ; cnt; cnt--, region++) {
713 		/* Store addresses as DWORD offsets. */
714 		start = le32_to_cpu(region->start) >> 2;
715 		ql_dbg(ql_dbg_init, vha, 0x0049,
716 		    "FLT[%#x]: start=%#x end=%#x size=%#x.\n",
717 		    le16_to_cpu(region->code), start,
718 		    le32_to_cpu(region->end) >> 2,
719 		    le32_to_cpu(region->size) >> 2);
720 		if (region->attribute)
721 			ql_log(ql_dbg_init, vha, 0xffff,
722 			    "Region %x is secure\n", region->code);
723 
724 		switch (le16_to_cpu(region->code)) {
725 		case FLT_REG_FCOE_FW:
726 			if (!IS_QLA8031(ha))
727 				break;
728 			ha->flt_region_fw = start;
729 			break;
730 		case FLT_REG_FW:
731 			if (IS_QLA8031(ha))
732 				break;
733 			ha->flt_region_fw = start;
734 			break;
735 		case FLT_REG_BOOT_CODE:
736 			ha->flt_region_boot = start;
737 			break;
738 		case FLT_REG_VPD_0:
739 			if (IS_QLA8031(ha))
740 				break;
741 			ha->flt_region_vpd_nvram = start;
742 			if (IS_P3P_TYPE(ha))
743 				break;
744 			if (ha->port_no == 0)
745 				ha->flt_region_vpd = start;
746 			break;
747 		case FLT_REG_VPD_1:
748 			if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
749 				break;
750 			if (ha->port_no == 1)
751 				ha->flt_region_vpd = start;
752 			break;
753 		case FLT_REG_VPD_2:
754 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
755 				break;
756 			if (ha->port_no == 2)
757 				ha->flt_region_vpd = start;
758 			break;
759 		case FLT_REG_VPD_3:
760 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
761 				break;
762 			if (ha->port_no == 3)
763 				ha->flt_region_vpd = start;
764 			break;
765 		case FLT_REG_NVRAM_0:
766 			if (IS_QLA8031(ha))
767 				break;
768 			if (ha->port_no == 0)
769 				ha->flt_region_nvram = start;
770 			break;
771 		case FLT_REG_NVRAM_1:
772 			if (IS_QLA8031(ha))
773 				break;
774 			if (ha->port_no == 1)
775 				ha->flt_region_nvram = start;
776 			break;
777 		case FLT_REG_NVRAM_2:
778 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
779 				break;
780 			if (ha->port_no == 2)
781 				ha->flt_region_nvram = start;
782 			break;
783 		case FLT_REG_NVRAM_3:
784 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
785 				break;
786 			if (ha->port_no == 3)
787 				ha->flt_region_nvram = start;
788 			break;
789 		case FLT_REG_FDT:
790 			ha->flt_region_fdt = start;
791 			break;
792 		case FLT_REG_NPIV_CONF_0:
793 			if (ha->port_no == 0)
794 				ha->flt_region_npiv_conf = start;
795 			break;
796 		case FLT_REG_NPIV_CONF_1:
797 			if (ha->port_no == 1)
798 				ha->flt_region_npiv_conf = start;
799 			break;
800 		case FLT_REG_GOLD_FW:
801 			ha->flt_region_gold_fw = start;
802 			break;
803 		case FLT_REG_FCP_PRIO_0:
804 			if (ha->port_no == 0)
805 				ha->flt_region_fcp_prio = start;
806 			break;
807 		case FLT_REG_FCP_PRIO_1:
808 			if (ha->port_no == 1)
809 				ha->flt_region_fcp_prio = start;
810 			break;
811 		case FLT_REG_BOOT_CODE_82XX:
812 			ha->flt_region_boot = start;
813 			break;
814 		case FLT_REG_BOOT_CODE_8044:
815 			if (IS_QLA8044(ha))
816 				ha->flt_region_boot = start;
817 			break;
818 		case FLT_REG_FW_82XX:
819 			ha->flt_region_fw = start;
820 			break;
821 		case FLT_REG_CNA_FW:
822 			if (IS_CNA_CAPABLE(ha))
823 				ha->flt_region_fw = start;
824 			break;
825 		case FLT_REG_GOLD_FW_82XX:
826 			ha->flt_region_gold_fw = start;
827 			break;
828 		case FLT_REG_BOOTLOAD_82XX:
829 			ha->flt_region_bootload = start;
830 			break;
831 		case FLT_REG_VPD_8XXX:
832 			if (IS_CNA_CAPABLE(ha))
833 				ha->flt_region_vpd = start;
834 			break;
835 		case FLT_REG_FCOE_NVRAM_0:
836 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
837 				break;
838 			if (ha->port_no == 0)
839 				ha->flt_region_nvram = start;
840 			break;
841 		case FLT_REG_FCOE_NVRAM_1:
842 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
843 				break;
844 			if (ha->port_no == 1)
845 				ha->flt_region_nvram = start;
846 			break;
847 		case FLT_REG_IMG_PRI_27XX:
848 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
849 				ha->flt_region_img_status_pri = start;
850 			break;
851 		case FLT_REG_IMG_SEC_27XX:
852 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
853 				ha->flt_region_img_status_sec = start;
854 			break;
855 		case FLT_REG_FW_SEC_27XX:
856 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
857 				ha->flt_region_fw_sec = start;
858 			break;
859 		case FLT_REG_BOOTLOAD_SEC_27XX:
860 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
861 				ha->flt_region_boot_sec = start;
862 			break;
863 		case FLT_REG_AUX_IMG_PRI_28XX:
864 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
865 				ha->flt_region_aux_img_status_pri = start;
866 			break;
867 		case FLT_REG_AUX_IMG_SEC_28XX:
868 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
869 				ha->flt_region_aux_img_status_sec = start;
870 			break;
871 		case FLT_REG_NVRAM_SEC_28XX_0:
872 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
873 				if (ha->port_no == 0)
874 					ha->flt_region_nvram_sec = start;
875 			break;
876 		case FLT_REG_NVRAM_SEC_28XX_1:
877 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
878 				if (ha->port_no == 1)
879 					ha->flt_region_nvram_sec = start;
880 			break;
881 		case FLT_REG_NVRAM_SEC_28XX_2:
882 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
883 				if (ha->port_no == 2)
884 					ha->flt_region_nvram_sec = start;
885 			break;
886 		case FLT_REG_NVRAM_SEC_28XX_3:
887 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
888 				if (ha->port_no == 3)
889 					ha->flt_region_nvram_sec = start;
890 			break;
891 		case FLT_REG_VPD_SEC_27XX_0:
892 		case FLT_REG_VPD_SEC_28XX_0:
893 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
894 				ha->flt_region_vpd_nvram_sec = start;
895 				if (ha->port_no == 0)
896 					ha->flt_region_vpd_sec = start;
897 			}
898 			break;
899 		case FLT_REG_VPD_SEC_27XX_1:
900 		case FLT_REG_VPD_SEC_28XX_1:
901 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
902 				if (ha->port_no == 1)
903 					ha->flt_region_vpd_sec = start;
904 			break;
905 		case FLT_REG_VPD_SEC_27XX_2:
906 		case FLT_REG_VPD_SEC_28XX_2:
907 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
908 				if (ha->port_no == 2)
909 					ha->flt_region_vpd_sec = start;
910 			break;
911 		case FLT_REG_VPD_SEC_27XX_3:
912 		case FLT_REG_VPD_SEC_28XX_3:
913 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
914 				if (ha->port_no == 3)
915 					ha->flt_region_vpd_sec = start;
916 			break;
917 		}
918 	}
919 	goto done;
920 
921 no_flash_data:
922 	/* Use hardcoded defaults. */
923 	loc = locations[0];
924 	ha->flt_region_fw = def_fw[def];
925 	ha->flt_region_boot = def_boot[def];
926 	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
927 	ha->flt_region_vpd = (ha->port_no == 0) ?
928 	    def_vpd0[def] : def_vpd1[def];
929 	ha->flt_region_nvram = (ha->port_no == 0) ?
930 	    def_nvram0[def] : def_nvram1[def];
931 	ha->flt_region_fdt = def_fdt[def];
932 	ha->flt_region_npiv_conf = (ha->port_no == 0) ?
933 	    def_npiv_conf0[def] : def_npiv_conf1[def];
934 done:
935 	ql_dbg(ql_dbg_init, vha, 0x004a,
936 	    "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
937 	    "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
938 	    loc, ha->flt_region_boot, ha->flt_region_fw,
939 	    ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
940 	    ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
941 	    ha->flt_region_fcp_prio);
942 }
943 
944 static void
945 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
946 {
947 #define FLASH_BLK_SIZE_4K	0x1000
948 #define FLASH_BLK_SIZE_32K	0x8000
949 #define FLASH_BLK_SIZE_64K	0x10000
950 	const char *loc, *locations[] = { "MID", "FDT" };
951 	struct qla_hw_data *ha = vha->hw;
952 	struct req_que *req = ha->req_q_map[0];
953 	uint16_t cnt, chksum;
954 	__le16 *wptr = (__force __le16 *)req->ring;
955 	struct qla_fdt_layout *fdt = (struct qla_fdt_layout *)req->ring;
956 	uint8_t	man_id, flash_id;
957 	uint16_t mid = 0, fid = 0;
958 
959 	ha->isp_ops->read_optrom(vha, fdt, ha->flt_region_fdt << 2,
960 	    OPTROM_BURST_DWORDS);
961 	if (le16_to_cpu(*wptr) == 0xffff)
962 		goto no_flash_data;
963 	if (memcmp(fdt->sig, "QLID", 4))
964 		goto no_flash_data;
965 
966 	for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
967 		chksum += le16_to_cpu(*wptr);
968 	if (chksum) {
969 		ql_dbg(ql_dbg_init, vha, 0x004c,
970 		    "Inconsistent FDT detected:"
971 		    " checksum=0x%x id=%c version0x%x.\n", chksum,
972 		    fdt->sig[0], le16_to_cpu(fdt->version));
973 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
974 		    fdt, sizeof(*fdt));
975 		goto no_flash_data;
976 	}
977 
978 	loc = locations[1];
979 	mid = le16_to_cpu(fdt->man_id);
980 	fid = le16_to_cpu(fdt->id);
981 	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
982 	ha->fdt_wrt_enable = fdt->wrt_enable_bits;
983 	ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
984 	if (IS_QLA8044(ha))
985 		ha->fdt_erase_cmd = fdt->erase_cmd;
986 	else
987 		ha->fdt_erase_cmd =
988 		    flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
989 	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
990 	if (fdt->unprotect_sec_cmd) {
991 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
992 		    fdt->unprotect_sec_cmd);
993 		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
994 		    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd) :
995 		    flash_conf_addr(ha, 0x0336);
996 	}
997 	goto done;
998 no_flash_data:
999 	loc = locations[0];
1000 	if (IS_P3P_TYPE(ha)) {
1001 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1002 		goto done;
1003 	}
1004 	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
1005 	mid = man_id;
1006 	fid = flash_id;
1007 	ha->fdt_wrt_disable = 0x9c;
1008 	ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
1009 	switch (man_id) {
1010 	case 0xbf: /* STT flash. */
1011 		if (flash_id == 0x8e)
1012 			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1013 		else
1014 			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
1015 
1016 		if (flash_id == 0x80)
1017 			ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
1018 		break;
1019 	case 0x13: /* ST M25P80. */
1020 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1021 		break;
1022 	case 0x1f: /* Atmel 26DF081A. */
1023 		ha->fdt_block_size = FLASH_BLK_SIZE_4K;
1024 		ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
1025 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
1026 		ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
1027 		break;
1028 	default:
1029 		/* Default to 64 kb sector size. */
1030 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1031 		break;
1032 	}
1033 done:
1034 	ql_dbg(ql_dbg_init, vha, 0x004d,
1035 	    "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1036 	    "pr=%x wrtd=0x%x blk=0x%x.\n",
1037 	    loc, mid, fid,
1038 	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1039 	    ha->fdt_wrt_disable, ha->fdt_block_size);
1040 
1041 }
1042 
1043 static void
1044 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1045 {
1046 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1047 	__le32 *wptr;
1048 	struct qla_hw_data *ha = vha->hw;
1049 	struct req_que *req = ha->req_q_map[0];
1050 
1051 	if (!(IS_P3P_TYPE(ha)))
1052 		return;
1053 
1054 	wptr = (__force __le32 *)req->ring;
1055 	ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
1056 
1057 	if (*wptr == cpu_to_le32(0xffffffff)) {
1058 		ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1059 		ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1060 	} else {
1061 		ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1062 		wptr++;
1063 		ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1064 	}
1065 	ql_dbg(ql_dbg_init, vha, 0x004e,
1066 	    "fcoe_dev_init_timeout=%d "
1067 	    "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1068 	    ha->fcoe_reset_timeout);
1069 	return;
1070 }
1071 
1072 int
1073 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1074 {
1075 	int ret;
1076 	uint32_t flt_addr;
1077 	struct qla_hw_data *ha = vha->hw;
1078 
1079 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1080 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
1081 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1082 		return QLA_SUCCESS;
1083 
1084 	ret = qla2xxx_find_flt_start(vha, &flt_addr);
1085 	if (ret != QLA_SUCCESS)
1086 		return ret;
1087 
1088 	qla2xxx_get_flt_info(vha, flt_addr);
1089 	qla2xxx_get_fdt_info(vha);
1090 	qla2xxx_get_idc_param(vha);
1091 
1092 	return QLA_SUCCESS;
1093 }
1094 
1095 void
1096 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1097 {
1098 #define NPIV_CONFIG_SIZE	(16*1024)
1099 	void *data;
1100 	__le16 *wptr;
1101 	uint16_t cnt, chksum;
1102 	int i;
1103 	struct qla_npiv_header hdr;
1104 	struct qla_npiv_entry *entry;
1105 	struct qla_hw_data *ha = vha->hw;
1106 
1107 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1108 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1109 		return;
1110 
1111 	if (ha->flags.nic_core_reset_hdlr_active)
1112 		return;
1113 
1114 	if (IS_QLA8044(ha))
1115 		return;
1116 
1117 	ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
1118 	    sizeof(struct qla_npiv_header));
1119 	if (hdr.version == cpu_to_le16(0xffff))
1120 		return;
1121 	if (hdr.version != cpu_to_le16(1)) {
1122 		ql_dbg(ql_dbg_user, vha, 0x7090,
1123 		    "Unsupported NPIV-Config "
1124 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1125 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1126 		    le16_to_cpu(hdr.checksum));
1127 		return;
1128 	}
1129 
1130 	data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1131 	if (!data) {
1132 		ql_log(ql_log_warn, vha, 0x7091,
1133 		    "Unable to allocate memory for data.\n");
1134 		return;
1135 	}
1136 
1137 	ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
1138 	    NPIV_CONFIG_SIZE);
1139 
1140 	cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1141 	for (wptr = data, chksum = 0; cnt--; wptr++)
1142 		chksum += le16_to_cpu(*wptr);
1143 	if (chksum) {
1144 		ql_dbg(ql_dbg_user, vha, 0x7092,
1145 		    "Inconsistent NPIV-Config "
1146 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1147 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1148 		    le16_to_cpu(hdr.checksum));
1149 		goto done;
1150 	}
1151 
1152 	entry = data + sizeof(struct qla_npiv_header);
1153 	cnt = le16_to_cpu(hdr.entries);
1154 	for (i = 0; cnt; cnt--, entry++, i++) {
1155 		uint16_t flags;
1156 		struct fc_vport_identifiers vid;
1157 		struct fc_vport *vport;
1158 
1159 		memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1160 
1161 		flags = le16_to_cpu(entry->flags);
1162 		if (flags == 0xffff)
1163 			continue;
1164 		if ((flags & BIT_0) == 0)
1165 			continue;
1166 
1167 		memset(&vid, 0, sizeof(vid));
1168 		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1169 		vid.vport_type = FC_PORTTYPE_NPIV;
1170 		vid.disable = false;
1171 		vid.port_name = wwn_to_u64(entry->port_name);
1172 		vid.node_name = wwn_to_u64(entry->node_name);
1173 
1174 		ql_dbg(ql_dbg_user, vha, 0x7093,
1175 		    "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
1176 		    cnt, vid.port_name, vid.node_name,
1177 		    le16_to_cpu(entry->vf_id),
1178 		    entry->q_qos, entry->f_qos);
1179 
1180 		if (i < QLA_PRECONFIG_VPORTS) {
1181 			vport = fc_vport_create(vha->host, 0, &vid);
1182 			if (!vport)
1183 				ql_log(ql_log_warn, vha, 0x7094,
1184 				    "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
1185 				    cnt, vid.port_name, vid.node_name);
1186 		}
1187 	}
1188 done:
1189 	kfree(data);
1190 }
1191 
1192 static int
1193 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1194 {
1195 	struct qla_hw_data *ha = vha->hw;
1196 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1197 
1198 	if (ha->flags.fac_supported)
1199 		return qla81xx_fac_do_write_enable(vha, 1);
1200 
1201 	/* Enable flash write. */
1202 	wrt_reg_dword(&reg->ctrl_status,
1203 	    rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1204 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1205 
1206 	if (!ha->fdt_wrt_disable)
1207 		goto done;
1208 
1209 	/* Disable flash write-protection, first clear SR protection bit */
1210 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1211 	/* Then write zero again to clear remaining SR bits.*/
1212 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1213 done:
1214 	return QLA_SUCCESS;
1215 }
1216 
1217 static int
1218 qla24xx_protect_flash(scsi_qla_host_t *vha)
1219 {
1220 	struct qla_hw_data *ha = vha->hw;
1221 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1222 	ulong cnt = 300;
1223 	uint32_t faddr, dword;
1224 
1225 	if (ha->flags.fac_supported)
1226 		return qla81xx_fac_do_write_enable(vha, 0);
1227 
1228 	if (!ha->fdt_wrt_disable)
1229 		goto skip_wrt_protect;
1230 
1231 	/* Enable flash write-protection and wait for completion. */
1232 	faddr = flash_conf_addr(ha, 0x101);
1233 	qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
1234 	faddr = flash_conf_addr(ha, 0x5);
1235 	while (cnt--) {
1236 		if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
1237 			if (!(dword & BIT_0))
1238 				break;
1239 		}
1240 		udelay(10);
1241 	}
1242 
1243 skip_wrt_protect:
1244 	/* Disable flash write. */
1245 	wrt_reg_dword(&reg->ctrl_status,
1246 	    rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1247 
1248 	return QLA_SUCCESS;
1249 }
1250 
1251 static int
1252 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1253 {
1254 	struct qla_hw_data *ha = vha->hw;
1255 	uint32_t start, finish;
1256 
1257 	if (ha->flags.fac_supported) {
1258 		start = fdata >> 2;
1259 		finish = start + (ha->fdt_block_size >> 2) - 1;
1260 		return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1261 		    start), flash_data_addr(ha, finish));
1262 	}
1263 
1264 	return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1265 	    (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1266 	    ((fdata >> 16) & 0xff));
1267 }
1268 
1269 static int
1270 qla24xx_write_flash_data(scsi_qla_host_t *vha, __le32 *dwptr, uint32_t faddr,
1271     uint32_t dwords)
1272 {
1273 	int ret;
1274 	ulong liter;
1275 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
1276 	uint32_t sec_mask, rest_addr, fdata;
1277 	dma_addr_t optrom_dma;
1278 	void *optrom = NULL;
1279 	struct qla_hw_data *ha = vha->hw;
1280 
1281 	if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1282 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1283 		goto next;
1284 
1285 	/* Allocate dma buffer for burst write */
1286 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1287 	    &optrom_dma, GFP_KERNEL);
1288 	if (!optrom) {
1289 		ql_log(ql_log_warn, vha, 0x7095,
1290 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
1291 	}
1292 
1293 next:
1294 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1295 	    "Unprotect flash...\n");
1296 	ret = qla24xx_unprotect_flash(vha);
1297 	if (ret) {
1298 		ql_log(ql_log_warn, vha, 0x7096,
1299 		    "Failed to unprotect flash.\n");
1300 		goto done;
1301 	}
1302 
1303 	rest_addr = (ha->fdt_block_size >> 2) - 1;
1304 	sec_mask = ~rest_addr;
1305 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1306 		fdata = (faddr & sec_mask) << 2;
1307 
1308 		/* Are we at the beginning of a sector? */
1309 		if (!(faddr & rest_addr)) {
1310 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1311 			    "Erase sector %#x...\n", faddr);
1312 
1313 			ret = qla24xx_erase_sector(vha, fdata);
1314 			if (ret) {
1315 				ql_dbg(ql_dbg_user, vha, 0x7007,
1316 				    "Failed to erase sector %x.\n", faddr);
1317 				break;
1318 			}
1319 		}
1320 
1321 		if (optrom) {
1322 			/* If smaller than a burst remaining */
1323 			if (dwords - liter < dburst)
1324 				dburst = dwords - liter;
1325 
1326 			/* Copy to dma buffer */
1327 			memcpy(optrom, dwptr, dburst << 2);
1328 
1329 			/* Burst write */
1330 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1331 			    "Write burst (%#lx dwords)...\n", dburst);
1332 			ret = qla2x00_load_ram(vha, optrom_dma,
1333 			    flash_data_addr(ha, faddr), dburst);
1334 			if (!ret) {
1335 				liter += dburst - 1;
1336 				faddr += dburst - 1;
1337 				dwptr += dburst - 1;
1338 				continue;
1339 			}
1340 
1341 			ql_log(ql_log_warn, vha, 0x7097,
1342 			    "Failed burst-write at %x (%p/%#llx)....\n",
1343 			    flash_data_addr(ha, faddr), optrom,
1344 			    (u64)optrom_dma);
1345 
1346 			dma_free_coherent(&ha->pdev->dev,
1347 			    OPTROM_BURST_SIZE, optrom, optrom_dma);
1348 			optrom = NULL;
1349 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
1350 				break;
1351 			ql_log(ql_log_warn, vha, 0x7098,
1352 			    "Reverting to slow write...\n");
1353 		}
1354 
1355 		/* Slow write */
1356 		ret = qla24xx_write_flash_dword(ha,
1357 		    flash_data_addr(ha, faddr), le32_to_cpu(*dwptr));
1358 		if (ret) {
1359 			ql_dbg(ql_dbg_user, vha, 0x7006,
1360 			    "Failed slopw write %x (%x)\n", faddr, *dwptr);
1361 			break;
1362 		}
1363 	}
1364 
1365 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1366 	    "Protect flash...\n");
1367 	ret = qla24xx_protect_flash(vha);
1368 	if (ret)
1369 		ql_log(ql_log_warn, vha, 0x7099,
1370 		    "Failed to protect flash\n");
1371 done:
1372 	if (optrom)
1373 		dma_free_coherent(&ha->pdev->dev,
1374 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
1375 
1376 	return ret;
1377 }
1378 
1379 uint8_t *
1380 qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1381     uint32_t bytes)
1382 {
1383 	uint32_t i;
1384 	__le16 *wptr;
1385 	struct qla_hw_data *ha = vha->hw;
1386 
1387 	/* Word reads to NVRAM via registers. */
1388 	wptr = buf;
1389 	qla2x00_lock_nvram_access(ha);
1390 	for (i = 0; i < bytes >> 1; i++, naddr++)
1391 		wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1392 		    naddr));
1393 	qla2x00_unlock_nvram_access(ha);
1394 
1395 	return buf;
1396 }
1397 
1398 uint8_t *
1399 qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1400     uint32_t bytes)
1401 {
1402 	struct qla_hw_data *ha = vha->hw;
1403 	uint32_t *dwptr = buf;
1404 	uint32_t i;
1405 
1406 	if (IS_P3P_TYPE(ha))
1407 		return  buf;
1408 
1409 	/* Dword reads to flash. */
1410 	naddr = nvram_data_addr(ha, naddr);
1411 	bytes >>= 2;
1412 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1413 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1414 			break;
1415 		cpu_to_le32s(dwptr);
1416 	}
1417 
1418 	return buf;
1419 }
1420 
1421 int
1422 qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1423     uint32_t bytes)
1424 {
1425 	int ret, stat;
1426 	uint32_t i;
1427 	uint16_t *wptr;
1428 	unsigned long flags;
1429 	struct qla_hw_data *ha = vha->hw;
1430 
1431 	ret = QLA_SUCCESS;
1432 
1433 	spin_lock_irqsave(&ha->hardware_lock, flags);
1434 	qla2x00_lock_nvram_access(ha);
1435 
1436 	/* Disable NVRAM write-protection. */
1437 	stat = qla2x00_clear_nvram_protection(ha);
1438 
1439 	wptr = (uint16_t *)buf;
1440 	for (i = 0; i < bytes >> 1; i++, naddr++) {
1441 		qla2x00_write_nvram_word(ha, naddr,
1442 		    cpu_to_le16(*wptr));
1443 		wptr++;
1444 	}
1445 
1446 	/* Enable NVRAM write-protection. */
1447 	qla2x00_set_nvram_protection(ha, stat);
1448 
1449 	qla2x00_unlock_nvram_access(ha);
1450 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1451 
1452 	return ret;
1453 }
1454 
1455 int
1456 qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1457     uint32_t bytes)
1458 {
1459 	struct qla_hw_data *ha = vha->hw;
1460 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1461 	__le32 *dwptr = buf;
1462 	uint32_t i;
1463 	int ret;
1464 
1465 	ret = QLA_SUCCESS;
1466 
1467 	if (IS_P3P_TYPE(ha))
1468 		return ret;
1469 
1470 	/* Enable flash write. */
1471 	wrt_reg_dword(&reg->ctrl_status,
1472 	    rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1473 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1474 
1475 	/* Disable NVRAM write-protection. */
1476 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1477 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1478 
1479 	/* Dword writes to flash. */
1480 	naddr = nvram_data_addr(ha, naddr);
1481 	bytes >>= 2;
1482 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1483 		if (qla24xx_write_flash_dword(ha, naddr, le32_to_cpu(*dwptr))) {
1484 			ql_dbg(ql_dbg_user, vha, 0x709a,
1485 			    "Unable to program nvram address=%x data=%x.\n",
1486 			    naddr, *dwptr);
1487 			break;
1488 		}
1489 	}
1490 
1491 	/* Enable NVRAM write-protection. */
1492 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1493 
1494 	/* Disable flash write. */
1495 	wrt_reg_dword(&reg->ctrl_status,
1496 	    rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1497 	rd_reg_dword(&reg->ctrl_status);	/* PCI Posting. */
1498 
1499 	return ret;
1500 }
1501 
1502 uint8_t *
1503 qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1504     uint32_t bytes)
1505 {
1506 	struct qla_hw_data *ha = vha->hw;
1507 	uint32_t *dwptr = buf;
1508 	uint32_t i;
1509 
1510 	/* Dword reads to flash. */
1511 	naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
1512 	bytes >>= 2;
1513 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1514 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1515 			break;
1516 
1517 		cpu_to_le32s(dwptr);
1518 	}
1519 
1520 	return buf;
1521 }
1522 
1523 #define RMW_BUFFER_SIZE	(64 * 1024)
1524 int
1525 qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1526     uint32_t bytes)
1527 {
1528 	struct qla_hw_data *ha = vha->hw;
1529 	uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
1530 
1531 	if (!dbuf)
1532 		return QLA_MEMORY_ALLOC_FAILED;
1533 	ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1534 	    RMW_BUFFER_SIZE);
1535 	memcpy(dbuf + (naddr << 2), buf, bytes);
1536 	ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1537 	    RMW_BUFFER_SIZE);
1538 	vfree(dbuf);
1539 
1540 	return QLA_SUCCESS;
1541 }
1542 
1543 static inline void
1544 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1545 {
1546 	if (IS_QLA2322(ha)) {
1547 		/* Flip all colors. */
1548 		if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1549 			/* Turn off. */
1550 			ha->beacon_color_state = 0;
1551 			*pflags = GPIO_LED_ALL_OFF;
1552 		} else {
1553 			/* Turn on. */
1554 			ha->beacon_color_state = QLA_LED_ALL_ON;
1555 			*pflags = GPIO_LED_RGA_ON;
1556 		}
1557 	} else {
1558 		/* Flip green led only. */
1559 		if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1560 			/* Turn off. */
1561 			ha->beacon_color_state = 0;
1562 			*pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1563 		} else {
1564 			/* Turn on. */
1565 			ha->beacon_color_state = QLA_LED_GRN_ON;
1566 			*pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1567 		}
1568 	}
1569 }
1570 
1571 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1572 
1573 void
1574 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1575 {
1576 	uint16_t gpio_enable;
1577 	uint16_t gpio_data;
1578 	uint16_t led_color = 0;
1579 	unsigned long flags;
1580 	struct qla_hw_data *ha = vha->hw;
1581 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1582 
1583 	if (IS_P3P_TYPE(ha))
1584 		return;
1585 
1586 	spin_lock_irqsave(&ha->hardware_lock, flags);
1587 
1588 	/* Save the Original GPIOE. */
1589 	if (ha->pio_address) {
1590 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1591 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1592 	} else {
1593 		gpio_enable = rd_reg_word(&reg->gpioe);
1594 		gpio_data = rd_reg_word(&reg->gpiod);
1595 	}
1596 
1597 	/* Set the modified gpio_enable values */
1598 	gpio_enable |= GPIO_LED_MASK;
1599 
1600 	if (ha->pio_address) {
1601 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1602 	} else {
1603 		wrt_reg_word(&reg->gpioe, gpio_enable);
1604 		rd_reg_word(&reg->gpioe);
1605 	}
1606 
1607 	qla2x00_flip_colors(ha, &led_color);
1608 
1609 	/* Clear out any previously set LED color. */
1610 	gpio_data &= ~GPIO_LED_MASK;
1611 
1612 	/* Set the new input LED color to GPIOD. */
1613 	gpio_data |= led_color;
1614 
1615 	/* Set the modified gpio_data values */
1616 	if (ha->pio_address) {
1617 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1618 	} else {
1619 		wrt_reg_word(&reg->gpiod, gpio_data);
1620 		rd_reg_word(&reg->gpiod);
1621 	}
1622 
1623 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1624 }
1625 
1626 int
1627 qla2x00_beacon_on(struct scsi_qla_host *vha)
1628 {
1629 	uint16_t gpio_enable;
1630 	uint16_t gpio_data;
1631 	unsigned long flags;
1632 	struct qla_hw_data *ha = vha->hw;
1633 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1634 
1635 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1636 	ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1637 
1638 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1639 		ql_log(ql_log_warn, vha, 0x709b,
1640 		    "Unable to update fw options (beacon on).\n");
1641 		return QLA_FUNCTION_FAILED;
1642 	}
1643 
1644 	/* Turn off LEDs. */
1645 	spin_lock_irqsave(&ha->hardware_lock, flags);
1646 	if (ha->pio_address) {
1647 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1648 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1649 	} else {
1650 		gpio_enable = rd_reg_word(&reg->gpioe);
1651 		gpio_data = rd_reg_word(&reg->gpiod);
1652 	}
1653 	gpio_enable |= GPIO_LED_MASK;
1654 
1655 	/* Set the modified gpio_enable values. */
1656 	if (ha->pio_address) {
1657 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1658 	} else {
1659 		wrt_reg_word(&reg->gpioe, gpio_enable);
1660 		rd_reg_word(&reg->gpioe);
1661 	}
1662 
1663 	/* Clear out previously set LED colour. */
1664 	gpio_data &= ~GPIO_LED_MASK;
1665 	if (ha->pio_address) {
1666 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1667 	} else {
1668 		wrt_reg_word(&reg->gpiod, gpio_data);
1669 		rd_reg_word(&reg->gpiod);
1670 	}
1671 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1672 
1673 	/*
1674 	 * Let the per HBA timer kick off the blinking process based on
1675 	 * the following flags. No need to do anything else now.
1676 	 */
1677 	ha->beacon_blink_led = 1;
1678 	ha->beacon_color_state = 0;
1679 
1680 	return QLA_SUCCESS;
1681 }
1682 
1683 int
1684 qla2x00_beacon_off(struct scsi_qla_host *vha)
1685 {
1686 	int rval = QLA_SUCCESS;
1687 	struct qla_hw_data *ha = vha->hw;
1688 
1689 	ha->beacon_blink_led = 0;
1690 
1691 	/* Set the on flag so when it gets flipped it will be off. */
1692 	if (IS_QLA2322(ha))
1693 		ha->beacon_color_state = QLA_LED_ALL_ON;
1694 	else
1695 		ha->beacon_color_state = QLA_LED_GRN_ON;
1696 
1697 	ha->isp_ops->beacon_blink(vha);	/* This turns green LED off */
1698 
1699 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1700 	ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1701 
1702 	rval = qla2x00_set_fw_options(vha, ha->fw_options);
1703 	if (rval != QLA_SUCCESS)
1704 		ql_log(ql_log_warn, vha, 0x709c,
1705 		    "Unable to update fw options (beacon off).\n");
1706 	return rval;
1707 }
1708 
1709 
1710 static inline void
1711 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1712 {
1713 	/* Flip all colors. */
1714 	if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1715 		/* Turn off. */
1716 		ha->beacon_color_state = 0;
1717 		*pflags = 0;
1718 	} else {
1719 		/* Turn on. */
1720 		ha->beacon_color_state = QLA_LED_ALL_ON;
1721 		*pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1722 	}
1723 }
1724 
1725 void
1726 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1727 {
1728 	uint16_t led_color = 0;
1729 	uint32_t gpio_data;
1730 	unsigned long flags;
1731 	struct qla_hw_data *ha = vha->hw;
1732 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1733 
1734 	/* Save the Original GPIOD. */
1735 	spin_lock_irqsave(&ha->hardware_lock, flags);
1736 	gpio_data = rd_reg_dword(&reg->gpiod);
1737 
1738 	/* Enable the gpio_data reg for update. */
1739 	gpio_data |= GPDX_LED_UPDATE_MASK;
1740 
1741 	wrt_reg_dword(&reg->gpiod, gpio_data);
1742 	gpio_data = rd_reg_dword(&reg->gpiod);
1743 
1744 	/* Set the color bits. */
1745 	qla24xx_flip_colors(ha, &led_color);
1746 
1747 	/* Clear out any previously set LED color. */
1748 	gpio_data &= ~GPDX_LED_COLOR_MASK;
1749 
1750 	/* Set the new input LED color to GPIOD. */
1751 	gpio_data |= led_color;
1752 
1753 	/* Set the modified gpio_data values. */
1754 	wrt_reg_dword(&reg->gpiod, gpio_data);
1755 	gpio_data = rd_reg_dword(&reg->gpiod);
1756 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1757 }
1758 
1759 static uint32_t
1760 qla83xx_select_led_port(struct qla_hw_data *ha)
1761 {
1762 	uint32_t led_select_value = 0;
1763 
1764 	if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1765 		goto out;
1766 
1767 	if (ha->port_no == 0)
1768 		led_select_value = QLA83XX_LED_PORT0;
1769 	else
1770 		led_select_value = QLA83XX_LED_PORT1;
1771 
1772 out:
1773 	return led_select_value;
1774 }
1775 
1776 void
1777 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1778 {
1779 	uint32_t led_select_value;
1780 	struct qla_hw_data *ha = vha->hw;
1781 	uint16_t led_cfg[6];
1782 	uint16_t orig_led_cfg[6];
1783 	uint32_t led_10_value, led_43_value;
1784 
1785 	if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha) &&
1786 	    !IS_QLA28XX(ha))
1787 		return;
1788 
1789 	if (!ha->beacon_blink_led)
1790 		return;
1791 
1792 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1793 		qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1794 		qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1795 	} else if (IS_QLA2031(ha)) {
1796 		led_select_value = qla83xx_select_led_port(ha);
1797 
1798 		qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1799 		qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1800 	} else if (IS_QLA8031(ha)) {
1801 		led_select_value = qla83xx_select_led_port(ha);
1802 
1803 		qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1804 		qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1805 		qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1806 		msleep(500);
1807 		qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1808 		msleep(1000);
1809 		qla83xx_wr_reg(vha, led_select_value, led_10_value);
1810 		qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1811 	} else if (IS_QLA81XX(ha)) {
1812 		int rval;
1813 
1814 		/* Save Current */
1815 		rval = qla81xx_get_led_config(vha, orig_led_cfg);
1816 		/* Do the blink */
1817 		if (rval == QLA_SUCCESS) {
1818 			if (IS_QLA81XX(ha)) {
1819 				led_cfg[0] = 0x4000;
1820 				led_cfg[1] = 0x2000;
1821 				led_cfg[2] = 0;
1822 				led_cfg[3] = 0;
1823 				led_cfg[4] = 0;
1824 				led_cfg[5] = 0;
1825 			} else {
1826 				led_cfg[0] = 0x4000;
1827 				led_cfg[1] = 0x4000;
1828 				led_cfg[2] = 0x4000;
1829 				led_cfg[3] = 0x2000;
1830 				led_cfg[4] = 0;
1831 				led_cfg[5] = 0x2000;
1832 			}
1833 			rval = qla81xx_set_led_config(vha, led_cfg);
1834 			msleep(1000);
1835 			if (IS_QLA81XX(ha)) {
1836 				led_cfg[0] = 0x4000;
1837 				led_cfg[1] = 0x2000;
1838 				led_cfg[2] = 0;
1839 			} else {
1840 				led_cfg[0] = 0x4000;
1841 				led_cfg[1] = 0x2000;
1842 				led_cfg[2] = 0x4000;
1843 				led_cfg[3] = 0x4000;
1844 				led_cfg[4] = 0;
1845 				led_cfg[5] = 0x2000;
1846 			}
1847 			rval = qla81xx_set_led_config(vha, led_cfg);
1848 		}
1849 		/* On exit, restore original (presumes no status change) */
1850 		qla81xx_set_led_config(vha, orig_led_cfg);
1851 	}
1852 }
1853 
1854 int
1855 qla24xx_beacon_on(struct scsi_qla_host *vha)
1856 {
1857 	uint32_t gpio_data;
1858 	unsigned long flags;
1859 	struct qla_hw_data *ha = vha->hw;
1860 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1861 
1862 	if (IS_P3P_TYPE(ha))
1863 		return QLA_SUCCESS;
1864 
1865 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1866 		goto skip_gpio; /* let blink handle it */
1867 
1868 	if (ha->beacon_blink_led == 0) {
1869 		/* Enable firmware for update */
1870 		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1871 
1872 		if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1873 			return QLA_FUNCTION_FAILED;
1874 
1875 		if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1876 		    QLA_SUCCESS) {
1877 			ql_log(ql_log_warn, vha, 0x7009,
1878 			    "Unable to update fw options (beacon on).\n");
1879 			return QLA_FUNCTION_FAILED;
1880 		}
1881 
1882 		if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1883 			goto skip_gpio;
1884 
1885 		spin_lock_irqsave(&ha->hardware_lock, flags);
1886 		gpio_data = rd_reg_dword(&reg->gpiod);
1887 
1888 		/* Enable the gpio_data reg for update. */
1889 		gpio_data |= GPDX_LED_UPDATE_MASK;
1890 		wrt_reg_dword(&reg->gpiod, gpio_data);
1891 		rd_reg_dword(&reg->gpiod);
1892 
1893 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1894 	}
1895 
1896 	/* So all colors blink together. */
1897 	ha->beacon_color_state = 0;
1898 
1899 skip_gpio:
1900 	/* Let the per HBA timer kick off the blinking process. */
1901 	ha->beacon_blink_led = 1;
1902 
1903 	return QLA_SUCCESS;
1904 }
1905 
1906 int
1907 qla24xx_beacon_off(struct scsi_qla_host *vha)
1908 {
1909 	uint32_t gpio_data;
1910 	unsigned long flags;
1911 	struct qla_hw_data *ha = vha->hw;
1912 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1913 
1914 	if (IS_P3P_TYPE(ha))
1915 		return QLA_SUCCESS;
1916 
1917 	if (!ha->flags.fw_started)
1918 		return QLA_SUCCESS;
1919 
1920 	ha->beacon_blink_led = 0;
1921 
1922 	if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1923 		goto set_fw_options;
1924 
1925 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1926 		return QLA_SUCCESS;
1927 
1928 	ha->beacon_color_state = QLA_LED_ALL_ON;
1929 
1930 	ha->isp_ops->beacon_blink(vha);	/* Will flip to all off. */
1931 
1932 	/* Give control back to firmware. */
1933 	spin_lock_irqsave(&ha->hardware_lock, flags);
1934 	gpio_data = rd_reg_dword(&reg->gpiod);
1935 
1936 	/* Disable the gpio_data reg for update. */
1937 	gpio_data &= ~GPDX_LED_UPDATE_MASK;
1938 	wrt_reg_dword(&reg->gpiod, gpio_data);
1939 	rd_reg_dword(&reg->gpiod);
1940 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1941 
1942 set_fw_options:
1943 	ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1944 
1945 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1946 		ql_log(ql_log_warn, vha, 0x704d,
1947 		    "Unable to update fw options (beacon on).\n");
1948 		return QLA_FUNCTION_FAILED;
1949 	}
1950 
1951 	if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1952 		ql_log(ql_log_warn, vha, 0x704e,
1953 		    "Unable to update fw options (beacon on).\n");
1954 		return QLA_FUNCTION_FAILED;
1955 	}
1956 
1957 	return QLA_SUCCESS;
1958 }
1959 
1960 
1961 /*
1962  * Flash support routines
1963  */
1964 
1965 /**
1966  * qla2x00_flash_enable() - Setup flash for reading and writing.
1967  * @ha: HA context
1968  */
1969 static void
1970 qla2x00_flash_enable(struct qla_hw_data *ha)
1971 {
1972 	uint16_t data;
1973 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1974 
1975 	data = rd_reg_word(&reg->ctrl_status);
1976 	data |= CSR_FLASH_ENABLE;
1977 	wrt_reg_word(&reg->ctrl_status, data);
1978 	rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
1979 }
1980 
1981 /**
1982  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1983  * @ha: HA context
1984  */
1985 static void
1986 qla2x00_flash_disable(struct qla_hw_data *ha)
1987 {
1988 	uint16_t data;
1989 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1990 
1991 	data = rd_reg_word(&reg->ctrl_status);
1992 	data &= ~(CSR_FLASH_ENABLE);
1993 	wrt_reg_word(&reg->ctrl_status, data);
1994 	rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
1995 }
1996 
1997 /**
1998  * qla2x00_read_flash_byte() - Reads a byte from flash
1999  * @ha: HA context
2000  * @addr: Address in flash to read
2001  *
2002  * A word is read from the chip, but, only the lower byte is valid.
2003  *
2004  * Returns the byte read from flash @addr.
2005  */
2006 static uint8_t
2007 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
2008 {
2009 	uint16_t data;
2010 	uint16_t bank_select;
2011 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2012 
2013 	bank_select = rd_reg_word(&reg->ctrl_status);
2014 
2015 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2016 		/* Specify 64K address range: */
2017 		/*  clear out Module Select and Flash Address bits [19:16]. */
2018 		bank_select &= ~0xf8;
2019 		bank_select |= addr >> 12 & 0xf0;
2020 		bank_select |= CSR_FLASH_64K_BANK;
2021 		wrt_reg_word(&reg->ctrl_status, bank_select);
2022 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2023 
2024 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2025 		data = rd_reg_word(&reg->flash_data);
2026 
2027 		return (uint8_t)data;
2028 	}
2029 
2030 	/* Setup bit 16 of flash address. */
2031 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2032 		bank_select |= CSR_FLASH_64K_BANK;
2033 		wrt_reg_word(&reg->ctrl_status, bank_select);
2034 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2035 	} else if (((addr & BIT_16) == 0) &&
2036 	    (bank_select & CSR_FLASH_64K_BANK)) {
2037 		bank_select &= ~(CSR_FLASH_64K_BANK);
2038 		wrt_reg_word(&reg->ctrl_status, bank_select);
2039 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2040 	}
2041 
2042 	/* Always perform IO mapped accesses to the FLASH registers. */
2043 	if (ha->pio_address) {
2044 		uint16_t data2;
2045 
2046 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2047 		do {
2048 			data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2049 			barrier();
2050 			cpu_relax();
2051 			data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2052 		} while (data != data2);
2053 	} else {
2054 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2055 		data = qla2x00_debounce_register(&reg->flash_data);
2056 	}
2057 
2058 	return (uint8_t)data;
2059 }
2060 
2061 /**
2062  * qla2x00_write_flash_byte() - Write a byte to flash
2063  * @ha: HA context
2064  * @addr: Address in flash to write
2065  * @data: Data to write
2066  */
2067 static void
2068 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2069 {
2070 	uint16_t bank_select;
2071 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2072 
2073 	bank_select = rd_reg_word(&reg->ctrl_status);
2074 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2075 		/* Specify 64K address range: */
2076 		/*  clear out Module Select and Flash Address bits [19:16]. */
2077 		bank_select &= ~0xf8;
2078 		bank_select |= addr >> 12 & 0xf0;
2079 		bank_select |= CSR_FLASH_64K_BANK;
2080 		wrt_reg_word(&reg->ctrl_status, bank_select);
2081 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2082 
2083 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2084 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2085 		wrt_reg_word(&reg->flash_data, (uint16_t)data);
2086 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2087 
2088 		return;
2089 	}
2090 
2091 	/* Setup bit 16 of flash address. */
2092 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2093 		bank_select |= CSR_FLASH_64K_BANK;
2094 		wrt_reg_word(&reg->ctrl_status, bank_select);
2095 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2096 	} else if (((addr & BIT_16) == 0) &&
2097 	    (bank_select & CSR_FLASH_64K_BANK)) {
2098 		bank_select &= ~(CSR_FLASH_64K_BANK);
2099 		wrt_reg_word(&reg->ctrl_status, bank_select);
2100 		rd_reg_word(&reg->ctrl_status);	/* PCI Posting. */
2101 	}
2102 
2103 	/* Always perform IO mapped accesses to the FLASH registers. */
2104 	if (ha->pio_address) {
2105 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2106 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2107 	} else {
2108 		wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2109 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2110 		wrt_reg_word(&reg->flash_data, (uint16_t)data);
2111 		rd_reg_word(&reg->ctrl_status);		/* PCI Posting. */
2112 	}
2113 }
2114 
2115 /**
2116  * qla2x00_poll_flash() - Polls flash for completion.
2117  * @ha: HA context
2118  * @addr: Address in flash to poll
2119  * @poll_data: Data to be polled
2120  * @man_id: Flash manufacturer ID
2121  * @flash_id: Flash ID
2122  *
2123  * This function polls the device until bit 7 of what is read matches data
2124  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2125  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2126  * reading bit 5 as a 1.
2127  *
2128  * Returns 0 on success, else non-zero.
2129  */
2130 static int
2131 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2132     uint8_t man_id, uint8_t flash_id)
2133 {
2134 	int status;
2135 	uint8_t flash_data;
2136 	uint32_t cnt;
2137 
2138 	status = 1;
2139 
2140 	/* Wait for 30 seconds for command to finish. */
2141 	poll_data &= BIT_7;
2142 	for (cnt = 3000000; cnt; cnt--) {
2143 		flash_data = qla2x00_read_flash_byte(ha, addr);
2144 		if ((flash_data & BIT_7) == poll_data) {
2145 			status = 0;
2146 			break;
2147 		}
2148 
2149 		if (man_id != 0x40 && man_id != 0xda) {
2150 			if ((flash_data & BIT_5) && cnt > 2)
2151 				cnt = 2;
2152 		}
2153 		udelay(10);
2154 		barrier();
2155 		cond_resched();
2156 	}
2157 	return status;
2158 }
2159 
2160 /**
2161  * qla2x00_program_flash_address() - Programs a flash address
2162  * @ha: HA context
2163  * @addr: Address in flash to program
2164  * @data: Data to be written in flash
2165  * @man_id: Flash manufacturer ID
2166  * @flash_id: Flash ID
2167  *
2168  * Returns 0 on success, else non-zero.
2169  */
2170 static int
2171 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2172     uint8_t data, uint8_t man_id, uint8_t flash_id)
2173 {
2174 	/* Write Program Command Sequence. */
2175 	if (IS_OEM_001(ha)) {
2176 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2177 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2178 		qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2179 		qla2x00_write_flash_byte(ha, addr, data);
2180 	} else {
2181 		if (man_id == 0xda && flash_id == 0xc1) {
2182 			qla2x00_write_flash_byte(ha, addr, data);
2183 			if (addr & 0x7e)
2184 				return 0;
2185 		} else {
2186 			qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2187 			qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2188 			qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2189 			qla2x00_write_flash_byte(ha, addr, data);
2190 		}
2191 	}
2192 
2193 	udelay(150);
2194 
2195 	/* Wait for write to complete. */
2196 	return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2197 }
2198 
2199 /**
2200  * qla2x00_erase_flash() - Erase the flash.
2201  * @ha: HA context
2202  * @man_id: Flash manufacturer ID
2203  * @flash_id: Flash ID
2204  *
2205  * Returns 0 on success, else non-zero.
2206  */
2207 static int
2208 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2209 {
2210 	/* Individual Sector Erase Command Sequence */
2211 	if (IS_OEM_001(ha)) {
2212 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2213 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2214 		qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2215 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2216 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2217 		qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2218 	} else {
2219 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2220 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2221 		qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2222 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2223 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2224 		qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2225 	}
2226 
2227 	udelay(150);
2228 
2229 	/* Wait for erase to complete. */
2230 	return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2231 }
2232 
2233 /**
2234  * qla2x00_erase_flash_sector() - Erase a flash sector.
2235  * @ha: HA context
2236  * @addr: Flash sector to erase
2237  * @sec_mask: Sector address mask
2238  * @man_id: Flash manufacturer ID
2239  * @flash_id: Flash ID
2240  *
2241  * Returns 0 on success, else non-zero.
2242  */
2243 static int
2244 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2245     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2246 {
2247 	/* Individual Sector Erase Command Sequence */
2248 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2249 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2250 	qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2251 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2252 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2253 	if (man_id == 0x1f && flash_id == 0x13)
2254 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2255 	else
2256 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2257 
2258 	udelay(150);
2259 
2260 	/* Wait for erase to complete. */
2261 	return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2262 }
2263 
2264 /**
2265  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2266  * @ha: host adapter
2267  * @man_id: Flash manufacturer ID
2268  * @flash_id: Flash ID
2269  */
2270 static void
2271 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2272     uint8_t *flash_id)
2273 {
2274 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2275 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2276 	qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2277 	*man_id = qla2x00_read_flash_byte(ha, 0x0000);
2278 	*flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2279 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2280 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2281 	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2282 }
2283 
2284 static void
2285 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2286 	uint32_t saddr, uint32_t length)
2287 {
2288 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2289 	uint32_t midpoint, ilength;
2290 	uint8_t data;
2291 
2292 	midpoint = length / 2;
2293 
2294 	wrt_reg_word(&reg->nvram, 0);
2295 	rd_reg_word(&reg->nvram);
2296 	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2297 		if (ilength == midpoint) {
2298 			wrt_reg_word(&reg->nvram, NVR_SELECT);
2299 			rd_reg_word(&reg->nvram);
2300 		}
2301 		data = qla2x00_read_flash_byte(ha, saddr);
2302 		if (saddr % 100)
2303 			udelay(10);
2304 		*tmp_buf = data;
2305 		cond_resched();
2306 	}
2307 }
2308 
2309 static inline void
2310 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2311 {
2312 	int cnt;
2313 	unsigned long flags;
2314 	struct qla_hw_data *ha = vha->hw;
2315 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2316 
2317 	/* Suspend HBA. */
2318 	scsi_block_requests(vha->host);
2319 	ha->isp_ops->disable_intrs(ha);
2320 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2321 
2322 	/* Pause RISC. */
2323 	spin_lock_irqsave(&ha->hardware_lock, flags);
2324 	wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2325 	rd_reg_word(&reg->hccr);
2326 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2327 		for (cnt = 0; cnt < 30000; cnt++) {
2328 			if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2329 				break;
2330 			udelay(100);
2331 		}
2332 	} else {
2333 		udelay(10);
2334 	}
2335 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2336 }
2337 
2338 static inline void
2339 qla2x00_resume_hba(struct scsi_qla_host *vha)
2340 {
2341 	struct qla_hw_data *ha = vha->hw;
2342 
2343 	/* Resume HBA. */
2344 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2345 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2346 	qla2xxx_wake_dpc(vha);
2347 	qla2x00_wait_for_chip_reset(vha);
2348 	scsi_unblock_requests(vha->host);
2349 }
2350 
2351 void *
2352 qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2353     uint32_t offset, uint32_t length)
2354 {
2355 	uint32_t addr, midpoint;
2356 	uint8_t *data;
2357 	struct qla_hw_data *ha = vha->hw;
2358 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2359 
2360 	/* Suspend HBA. */
2361 	qla2x00_suspend_hba(vha);
2362 
2363 	/* Go with read. */
2364 	midpoint = ha->optrom_size / 2;
2365 
2366 	qla2x00_flash_enable(ha);
2367 	wrt_reg_word(&reg->nvram, 0);
2368 	rd_reg_word(&reg->nvram);		/* PCI Posting. */
2369 	for (addr = offset, data = buf; addr < length; addr++, data++) {
2370 		if (addr == midpoint) {
2371 			wrt_reg_word(&reg->nvram, NVR_SELECT);
2372 			rd_reg_word(&reg->nvram);	/* PCI Posting. */
2373 		}
2374 
2375 		*data = qla2x00_read_flash_byte(ha, addr);
2376 	}
2377 	qla2x00_flash_disable(ha);
2378 
2379 	/* Resume HBA. */
2380 	qla2x00_resume_hba(vha);
2381 
2382 	return buf;
2383 }
2384 
2385 int
2386 qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2387     uint32_t offset, uint32_t length)
2388 {
2389 
2390 	int rval;
2391 	uint8_t man_id, flash_id, sec_number, *data;
2392 	uint16_t wd;
2393 	uint32_t addr, liter, sec_mask, rest_addr;
2394 	struct qla_hw_data *ha = vha->hw;
2395 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2396 
2397 	/* Suspend HBA. */
2398 	qla2x00_suspend_hba(vha);
2399 
2400 	rval = QLA_SUCCESS;
2401 	sec_number = 0;
2402 
2403 	/* Reset ISP chip. */
2404 	wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2405 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2406 
2407 	/* Go with write. */
2408 	qla2x00_flash_enable(ha);
2409 	do {	/* Loop once to provide quick error exit */
2410 		/* Structure of flash memory based on manufacturer */
2411 		if (IS_OEM_001(ha)) {
2412 			/* OEM variant with special flash part. */
2413 			man_id = flash_id = 0;
2414 			rest_addr = 0xffff;
2415 			sec_mask   = 0x10000;
2416 			goto update_flash;
2417 		}
2418 		qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2419 		switch (man_id) {
2420 		case 0x20: /* ST flash. */
2421 			if (flash_id == 0xd2 || flash_id == 0xe3) {
2422 				/*
2423 				 * ST m29w008at part - 64kb sector size with
2424 				 * 32kb,8kb,8kb,16kb sectors at memory address
2425 				 * 0xf0000.
2426 				 */
2427 				rest_addr = 0xffff;
2428 				sec_mask = 0x10000;
2429 				break;
2430 			}
2431 			/*
2432 			 * ST m29w010b part - 16kb sector size
2433 			 * Default to 16kb sectors
2434 			 */
2435 			rest_addr = 0x3fff;
2436 			sec_mask = 0x1c000;
2437 			break;
2438 		case 0x40: /* Mostel flash. */
2439 			/* Mostel v29c51001 part - 512 byte sector size. */
2440 			rest_addr = 0x1ff;
2441 			sec_mask = 0x1fe00;
2442 			break;
2443 		case 0xbf: /* SST flash. */
2444 			/* SST39sf10 part - 4kb sector size. */
2445 			rest_addr = 0xfff;
2446 			sec_mask = 0x1f000;
2447 			break;
2448 		case 0xda: /* Winbond flash. */
2449 			/* Winbond W29EE011 part - 256 byte sector size. */
2450 			rest_addr = 0x7f;
2451 			sec_mask = 0x1ff80;
2452 			break;
2453 		case 0xc2: /* Macronix flash. */
2454 			/* 64k sector size. */
2455 			if (flash_id == 0x38 || flash_id == 0x4f) {
2456 				rest_addr = 0xffff;
2457 				sec_mask = 0x10000;
2458 				break;
2459 			}
2460 			/* Fall through... */
2461 
2462 		case 0x1f: /* Atmel flash. */
2463 			/* 512k sector size. */
2464 			if (flash_id == 0x13) {
2465 				rest_addr = 0x7fffffff;
2466 				sec_mask =   0x80000000;
2467 				break;
2468 			}
2469 			/* Fall through... */
2470 
2471 		case 0x01: /* AMD flash. */
2472 			if (flash_id == 0x38 || flash_id == 0x40 ||
2473 			    flash_id == 0x4f) {
2474 				/* Am29LV081 part - 64kb sector size. */
2475 				/* Am29LV002BT part - 64kb sector size. */
2476 				rest_addr = 0xffff;
2477 				sec_mask = 0x10000;
2478 				break;
2479 			} else if (flash_id == 0x3e) {
2480 				/*
2481 				 * Am29LV008b part - 64kb sector size with
2482 				 * 32kb,8kb,8kb,16kb sector at memory address
2483 				 * h0xf0000.
2484 				 */
2485 				rest_addr = 0xffff;
2486 				sec_mask = 0x10000;
2487 				break;
2488 			} else if (flash_id == 0x20 || flash_id == 0x6e) {
2489 				/*
2490 				 * Am29LV010 part or AM29f010 - 16kb sector
2491 				 * size.
2492 				 */
2493 				rest_addr = 0x3fff;
2494 				sec_mask = 0x1c000;
2495 				break;
2496 			} else if (flash_id == 0x6d) {
2497 				/* Am29LV001 part - 8kb sector size. */
2498 				rest_addr = 0x1fff;
2499 				sec_mask = 0x1e000;
2500 				break;
2501 			}
2502 			/* fall through */
2503 		default:
2504 			/* Default to 16 kb sector size. */
2505 			rest_addr = 0x3fff;
2506 			sec_mask = 0x1c000;
2507 			break;
2508 		}
2509 
2510 update_flash:
2511 		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2512 			if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2513 				rval = QLA_FUNCTION_FAILED;
2514 				break;
2515 			}
2516 		}
2517 
2518 		for (addr = offset, liter = 0; liter < length; liter++,
2519 		    addr++) {
2520 			data = buf + liter;
2521 			/* Are we at the beginning of a sector? */
2522 			if ((addr & rest_addr) == 0) {
2523 				if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2524 					if (addr >= 0x10000UL) {
2525 						if (((addr >> 12) & 0xf0) &&
2526 						    ((man_id == 0x01 &&
2527 							flash_id == 0x3e) ||
2528 						     (man_id == 0x20 &&
2529 							 flash_id == 0xd2))) {
2530 							sec_number++;
2531 							if (sec_number == 1) {
2532 								rest_addr =
2533 								    0x7fff;
2534 								sec_mask =
2535 								    0x18000;
2536 							} else if (
2537 							    sec_number == 2 ||
2538 							    sec_number == 3) {
2539 								rest_addr =
2540 								    0x1fff;
2541 								sec_mask =
2542 								    0x1e000;
2543 							} else if (
2544 							    sec_number == 4) {
2545 								rest_addr =
2546 								    0x3fff;
2547 								sec_mask =
2548 								    0x1c000;
2549 							}
2550 						}
2551 					}
2552 				} else if (addr == ha->optrom_size / 2) {
2553 					wrt_reg_word(&reg->nvram, NVR_SELECT);
2554 					rd_reg_word(&reg->nvram);
2555 				}
2556 
2557 				if (flash_id == 0xda && man_id == 0xc1) {
2558 					qla2x00_write_flash_byte(ha, 0x5555,
2559 					    0xaa);
2560 					qla2x00_write_flash_byte(ha, 0x2aaa,
2561 					    0x55);
2562 					qla2x00_write_flash_byte(ha, 0x5555,
2563 					    0xa0);
2564 				} else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2565 					/* Then erase it */
2566 					if (qla2x00_erase_flash_sector(ha,
2567 					    addr, sec_mask, man_id,
2568 					    flash_id)) {
2569 						rval = QLA_FUNCTION_FAILED;
2570 						break;
2571 					}
2572 					if (man_id == 0x01 && flash_id == 0x6d)
2573 						sec_number++;
2574 				}
2575 			}
2576 
2577 			if (man_id == 0x01 && flash_id == 0x6d) {
2578 				if (sec_number == 1 &&
2579 				    addr == (rest_addr - 1)) {
2580 					rest_addr = 0x0fff;
2581 					sec_mask   = 0x1f000;
2582 				} else if (sec_number == 3 && (addr & 0x7ffe)) {
2583 					rest_addr = 0x3fff;
2584 					sec_mask   = 0x1c000;
2585 				}
2586 			}
2587 
2588 			if (qla2x00_program_flash_address(ha, addr, *data,
2589 			    man_id, flash_id)) {
2590 				rval = QLA_FUNCTION_FAILED;
2591 				break;
2592 			}
2593 			cond_resched();
2594 		}
2595 	} while (0);
2596 	qla2x00_flash_disable(ha);
2597 
2598 	/* Resume HBA. */
2599 	qla2x00_resume_hba(vha);
2600 
2601 	return rval;
2602 }
2603 
2604 void *
2605 qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2606     uint32_t offset, uint32_t length)
2607 {
2608 	struct qla_hw_data *ha = vha->hw;
2609 
2610 	/* Suspend HBA. */
2611 	scsi_block_requests(vha->host);
2612 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2613 
2614 	/* Go with read. */
2615 	qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2);
2616 
2617 	/* Resume HBA. */
2618 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2619 	scsi_unblock_requests(vha->host);
2620 
2621 	return buf;
2622 }
2623 
2624 static int
2625 qla28xx_extract_sfub_and_verify(struct scsi_qla_host *vha, uint32_t *buf,
2626     uint32_t len, uint32_t buf_size_without_sfub, uint8_t *sfub_buf)
2627 {
2628 	uint32_t *p, check_sum = 0;
2629 	int i;
2630 
2631 	p = buf + buf_size_without_sfub;
2632 
2633 	/* Extract SFUB from end of file */
2634 	memcpy(sfub_buf, (uint8_t *)p,
2635 	    sizeof(struct secure_flash_update_block));
2636 
2637 	for (i = 0; i < (sizeof(struct secure_flash_update_block) >> 2); i++)
2638 		check_sum += p[i];
2639 
2640 	check_sum = (~check_sum) + 1;
2641 
2642 	if (check_sum != p[i]) {
2643 		ql_log(ql_log_warn, vha, 0x7097,
2644 		    "SFUB checksum failed, 0x%x, 0x%x\n",
2645 		    check_sum, p[i]);
2646 		return QLA_COMMAND_ERROR;
2647 	}
2648 
2649 	return QLA_SUCCESS;
2650 }
2651 
2652 static int
2653 qla28xx_get_flash_region(struct scsi_qla_host *vha, uint32_t start,
2654     struct qla_flt_region *region)
2655 {
2656 	struct qla_hw_data *ha = vha->hw;
2657 	struct qla_flt_header *flt = ha->flt;
2658 	struct qla_flt_region *flt_reg = &flt->region[0];
2659 	uint16_t cnt;
2660 	int rval = QLA_FUNCTION_FAILED;
2661 
2662 	if (!ha->flt)
2663 		return QLA_FUNCTION_FAILED;
2664 
2665 	cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
2666 	for (; cnt; cnt--, flt_reg++) {
2667 		if (le32_to_cpu(flt_reg->start) == start) {
2668 			memcpy((uint8_t *)region, flt_reg,
2669 			    sizeof(struct qla_flt_region));
2670 			rval = QLA_SUCCESS;
2671 			break;
2672 		}
2673 	}
2674 
2675 	return rval;
2676 }
2677 
2678 static int
2679 qla28xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2680     uint32_t dwords)
2681 {
2682 	struct qla_hw_data *ha = vha->hw;
2683 	ulong liter;
2684 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
2685 	uint32_t sec_mask, rest_addr, fdata;
2686 	void *optrom = NULL;
2687 	dma_addr_t optrom_dma;
2688 	int rval, ret;
2689 	struct secure_flash_update_block *sfub;
2690 	dma_addr_t sfub_dma;
2691 	uint32_t offset = faddr << 2;
2692 	uint32_t buf_size_without_sfub = 0;
2693 	struct qla_flt_region region;
2694 	bool reset_to_rom = false;
2695 	uint32_t risc_size, risc_attr = 0;
2696 	__be32 *fw_array = NULL;
2697 
2698 	/* Retrieve region info - must be a start address passed in */
2699 	rval = qla28xx_get_flash_region(vha, offset, &region);
2700 
2701 	if (rval != QLA_SUCCESS) {
2702 		ql_log(ql_log_warn, vha, 0xffff,
2703 		    "Invalid address %x - not a region start address\n",
2704 		    offset);
2705 		goto done;
2706 	}
2707 
2708 	/* Allocate dma buffer for burst write */
2709 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2710 	    &optrom_dma, GFP_KERNEL);
2711 	if (!optrom) {
2712 		ql_log(ql_log_warn, vha, 0x7095,
2713 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
2714 		rval = QLA_COMMAND_ERROR;
2715 		goto done;
2716 	}
2717 
2718 	/*
2719 	 * If adapter supports secure flash and region is secure
2720 	 * extract secure flash update block (SFUB) and verify
2721 	 */
2722 	if (ha->flags.secure_adapter && region.attribute) {
2723 
2724 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2725 		    "Region %x is secure\n", region.code);
2726 
2727 		switch (le16_to_cpu(region.code)) {
2728 		case FLT_REG_FW:
2729 		case FLT_REG_FW_SEC_27XX:
2730 		case FLT_REG_MPI_PRI_28XX:
2731 		case FLT_REG_MPI_SEC_28XX:
2732 			fw_array = (__force __be32 *)dwptr;
2733 
2734 			/* 1st fw array */
2735 			risc_size = be32_to_cpu(fw_array[3]);
2736 			risc_attr = be32_to_cpu(fw_array[9]);
2737 
2738 			buf_size_without_sfub = risc_size;
2739 			fw_array += risc_size;
2740 
2741 			/* 2nd fw array */
2742 			risc_size = be32_to_cpu(fw_array[3]);
2743 
2744 			buf_size_without_sfub += risc_size;
2745 			fw_array += risc_size;
2746 
2747 			/* 1st dump template */
2748 			risc_size = be32_to_cpu(fw_array[2]);
2749 
2750 			/* skip header and ignore checksum */
2751 			buf_size_without_sfub += risc_size;
2752 			fw_array += risc_size;
2753 
2754 			if (risc_attr & BIT_9) {
2755 				/* 2nd dump template */
2756 				risc_size = be32_to_cpu(fw_array[2]);
2757 
2758 				/* skip header and ignore checksum */
2759 				buf_size_without_sfub += risc_size;
2760 				fw_array += risc_size;
2761 			}
2762 			break;
2763 
2764 		case FLT_REG_PEP_PRI_28XX:
2765 		case FLT_REG_PEP_SEC_28XX:
2766 			fw_array = (__force __be32 *)dwptr;
2767 
2768 			/* 1st fw array */
2769 			risc_size = be32_to_cpu(fw_array[3]);
2770 			risc_attr = be32_to_cpu(fw_array[9]);
2771 
2772 			buf_size_without_sfub = risc_size;
2773 			fw_array += risc_size;
2774 			break;
2775 
2776 		default:
2777 			ql_log(ql_log_warn + ql_dbg_verbose, vha,
2778 			    0xffff, "Secure region %x not supported\n",
2779 			    region.code);
2780 			rval = QLA_COMMAND_ERROR;
2781 			goto done;
2782 		}
2783 
2784 		sfub = dma_alloc_coherent(&ha->pdev->dev,
2785 			sizeof(struct secure_flash_update_block), &sfub_dma,
2786 			GFP_KERNEL);
2787 		if (!sfub) {
2788 			ql_log(ql_log_warn, vha, 0xffff,
2789 			    "Unable to allocate memory for SFUB\n");
2790 			rval = QLA_COMMAND_ERROR;
2791 			goto done;
2792 		}
2793 
2794 		rval = qla28xx_extract_sfub_and_verify(vha, dwptr, dwords,
2795 			buf_size_without_sfub, (uint8_t *)sfub);
2796 
2797 		if (rval != QLA_SUCCESS)
2798 			goto done;
2799 
2800 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2801 		    "SFUB extract and verify successful\n");
2802 	}
2803 
2804 	rest_addr = (ha->fdt_block_size >> 2) - 1;
2805 	sec_mask = ~rest_addr;
2806 
2807 	/* Lock semaphore */
2808 	rval = qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_LOCK);
2809 	if (rval != QLA_SUCCESS) {
2810 		ql_log(ql_log_warn, vha, 0xffff,
2811 		    "Unable to lock flash semaphore.");
2812 		goto done;
2813 	}
2814 
2815 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2816 	    "Unprotect flash...\n");
2817 	rval = qla24xx_unprotect_flash(vha);
2818 	if (rval) {
2819 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2820 		ql_log(ql_log_warn, vha, 0x7096, "Failed unprotect flash\n");
2821 		goto done;
2822 	}
2823 
2824 	for (liter = 0; liter < dwords; liter++, faddr++) {
2825 		fdata = (faddr & sec_mask) << 2;
2826 
2827 		/* If start of sector */
2828 		if (!(faddr & rest_addr)) {
2829 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2830 			    "Erase sector %#x...\n", faddr);
2831 			rval = qla24xx_erase_sector(vha, fdata);
2832 			if (rval) {
2833 				ql_dbg(ql_dbg_user, vha, 0x7007,
2834 				    "Failed erase sector %#x\n", faddr);
2835 				goto write_protect;
2836 			}
2837 		}
2838 	}
2839 
2840 	if (ha->flags.secure_adapter) {
2841 		/*
2842 		 * If adapter supports secure flash but FW doesn't,
2843 		 * disable write protect, release semaphore and reset
2844 		 * chip to execute ROM code in order to update region securely
2845 		 */
2846 		if (!ha->flags.secure_fw) {
2847 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2848 			    "Disable Write and Release Semaphore.");
2849 			rval = qla24xx_protect_flash(vha);
2850 			if (rval != QLA_SUCCESS) {
2851 				qla81xx_fac_semaphore_access(vha,
2852 					FAC_SEMAPHORE_UNLOCK);
2853 				ql_log(ql_log_warn, vha, 0xffff,
2854 				    "Unable to protect flash.");
2855 				goto done;
2856 			}
2857 
2858 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2859 			    "Reset chip to ROM.");
2860 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2861 			set_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags);
2862 			qla2xxx_wake_dpc(vha);
2863 			rval = qla2x00_wait_for_chip_reset(vha);
2864 			if (rval != QLA_SUCCESS) {
2865 				ql_log(ql_log_warn, vha, 0xffff,
2866 				    "Unable to reset to ROM code.");
2867 				goto done;
2868 			}
2869 			reset_to_rom = true;
2870 			ha->flags.fac_supported = 0;
2871 
2872 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2873 			    "Lock Semaphore");
2874 			rval = qla2xxx_write_remote_register(vha,
2875 			    FLASH_SEMAPHORE_REGISTER_ADDR, 0x00020002);
2876 			if (rval != QLA_SUCCESS) {
2877 				ql_log(ql_log_warn, vha, 0xffff,
2878 				    "Unable to lock flash semaphore.");
2879 				goto done;
2880 			}
2881 
2882 			/* Unprotect flash */
2883 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2884 			    "Enable Write.");
2885 			rval = qla2x00_write_ram_word(vha, 0x7ffd0101, 0);
2886 			if (rval) {
2887 				ql_log(ql_log_warn, vha, 0x7096,
2888 				    "Failed unprotect flash\n");
2889 				goto done;
2890 			}
2891 		}
2892 
2893 		/* If region is secure, send Secure Flash MB Cmd */
2894 		if (region.attribute && buf_size_without_sfub) {
2895 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2896 			    "Sending Secure Flash MB Cmd\n");
2897 			rval = qla28xx_secure_flash_update(vha, 0,
2898 				le16_to_cpu(region.code),
2899 				buf_size_without_sfub, sfub_dma,
2900 				sizeof(struct secure_flash_update_block) >> 2);
2901 			if (rval != QLA_SUCCESS) {
2902 				ql_log(ql_log_warn, vha, 0xffff,
2903 				    "Secure Flash MB Cmd failed %x.", rval);
2904 				goto write_protect;
2905 			}
2906 		}
2907 
2908 	}
2909 
2910 	/* re-init flash offset */
2911 	faddr = offset >> 2;
2912 
2913 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
2914 		fdata = (faddr & sec_mask) << 2;
2915 
2916 		/* If smaller than a burst remaining */
2917 		if (dwords - liter < dburst)
2918 			dburst = dwords - liter;
2919 
2920 		/* Copy to dma buffer */
2921 		memcpy(optrom, dwptr, dburst << 2);
2922 
2923 		/* Burst write */
2924 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2925 		    "Write burst (%#lx dwords)...\n", dburst);
2926 		rval = qla2x00_load_ram(vha, optrom_dma,
2927 		    flash_data_addr(ha, faddr), dburst);
2928 		if (rval != QLA_SUCCESS) {
2929 			ql_log(ql_log_warn, vha, 0x7097,
2930 			    "Failed burst write at %x (%p/%#llx)...\n",
2931 			    flash_data_addr(ha, faddr), optrom,
2932 			    (u64)optrom_dma);
2933 			break;
2934 		}
2935 
2936 		liter += dburst - 1;
2937 		faddr += dburst - 1;
2938 		dwptr += dburst - 1;
2939 		continue;
2940 	}
2941 
2942 write_protect:
2943 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2944 	    "Protect flash...\n");
2945 	ret = qla24xx_protect_flash(vha);
2946 	if (ret) {
2947 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2948 		ql_log(ql_log_warn, vha, 0x7099,
2949 		    "Failed protect flash\n");
2950 		rval = QLA_COMMAND_ERROR;
2951 	}
2952 
2953 	if (reset_to_rom == true) {
2954 		/* Schedule DPC to restart the RISC */
2955 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2956 		qla2xxx_wake_dpc(vha);
2957 
2958 		ret = qla2x00_wait_for_hba_online(vha);
2959 		if (ret != QLA_SUCCESS) {
2960 			ql_log(ql_log_warn, vha, 0xffff,
2961 			    "Adapter did not come out of reset\n");
2962 			rval = QLA_COMMAND_ERROR;
2963 		}
2964 	}
2965 
2966 done:
2967 	if (optrom)
2968 		dma_free_coherent(&ha->pdev->dev,
2969 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
2970 
2971 	return rval;
2972 }
2973 
2974 int
2975 qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2976     uint32_t offset, uint32_t length)
2977 {
2978 	int rval;
2979 	struct qla_hw_data *ha = vha->hw;
2980 
2981 	/* Suspend HBA. */
2982 	scsi_block_requests(vha->host);
2983 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2984 
2985 	/* Go with write. */
2986 	if (IS_QLA28XX(ha))
2987 		rval = qla28xx_write_flash_data(vha, buf, offset >> 2,
2988 						length >> 2);
2989 	else
2990 		rval = qla24xx_write_flash_data(vha, buf, offset >> 2,
2991 						length >> 2);
2992 
2993 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2994 	scsi_unblock_requests(vha->host);
2995 
2996 	return rval;
2997 }
2998 
2999 void *
3000 qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
3001     uint32_t offset, uint32_t length)
3002 {
3003 	int rval;
3004 	dma_addr_t optrom_dma;
3005 	void *optrom;
3006 	uint8_t *pbuf;
3007 	uint32_t faddr, left, burst;
3008 	struct qla_hw_data *ha = vha->hw;
3009 
3010 	if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
3011 	    IS_QLA27XX(ha) || IS_QLA28XX(ha))
3012 		goto try_fast;
3013 	if (offset & 0xfff)
3014 		goto slow_read;
3015 	if (length < OPTROM_BURST_SIZE)
3016 		goto slow_read;
3017 
3018 try_fast:
3019 	if (offset & 0xff)
3020 		goto slow_read;
3021 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3022 	    &optrom_dma, GFP_KERNEL);
3023 	if (!optrom) {
3024 		ql_log(ql_log_warn, vha, 0x00cc,
3025 		    "Unable to allocate memory for optrom burst read (%x KB).\n",
3026 		    OPTROM_BURST_SIZE / 1024);
3027 		goto slow_read;
3028 	}
3029 
3030 	pbuf = buf;
3031 	faddr = offset >> 2;
3032 	left = length >> 2;
3033 	burst = OPTROM_BURST_DWORDS;
3034 	while (left != 0) {
3035 		if (burst > left)
3036 			burst = left;
3037 
3038 		rval = qla2x00_dump_ram(vha, optrom_dma,
3039 		    flash_data_addr(ha, faddr), burst);
3040 		if (rval) {
3041 			ql_log(ql_log_warn, vha, 0x00f5,
3042 			    "Unable to burst-read optrom segment (%x/%x/%llx).\n",
3043 			    rval, flash_data_addr(ha, faddr),
3044 			    (unsigned long long)optrom_dma);
3045 			ql_log(ql_log_warn, vha, 0x00f6,
3046 			    "Reverting to slow-read.\n");
3047 
3048 			dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3049 			    optrom, optrom_dma);
3050 			goto slow_read;
3051 		}
3052 
3053 		memcpy(pbuf, optrom, burst * 4);
3054 
3055 		left -= burst;
3056 		faddr += burst;
3057 		pbuf += burst * 4;
3058 	}
3059 
3060 	dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
3061 	    optrom_dma);
3062 
3063 	return buf;
3064 
3065 slow_read:
3066     return qla24xx_read_optrom_data(vha, buf, offset, length);
3067 }
3068 
3069 /**
3070  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
3071  * @ha: HA context
3072  * @pcids: Pointer to the FCODE PCI data structure
3073  *
3074  * The process of retrieving the FCODE version information is at best
3075  * described as interesting.
3076  *
3077  * Within the first 100h bytes of the image an ASCII string is present
3078  * which contains several pieces of information including the FCODE
3079  * version.  Unfortunately it seems the only reliable way to retrieve
3080  * the version is by scanning for another sentinel within the string,
3081  * the FCODE build date:
3082  *
3083  *	... 2.00.02 10/17/02 ...
3084  *
3085  * Returns QLA_SUCCESS on successful retrieval of version.
3086  */
3087 static void
3088 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
3089 {
3090 	int ret = QLA_FUNCTION_FAILED;
3091 	uint32_t istart, iend, iter, vend;
3092 	uint8_t do_next, rbyte, *vbyte;
3093 
3094 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3095 
3096 	/* Skip the PCI data structure. */
3097 	istart = pcids +
3098 	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
3099 		qla2x00_read_flash_byte(ha, pcids + 0x0A));
3100 	iend = istart + 0x100;
3101 	do {
3102 		/* Scan for the sentinel date string...eeewww. */
3103 		do_next = 0;
3104 		iter = istart;
3105 		while ((iter < iend) && !do_next) {
3106 			iter++;
3107 			if (qla2x00_read_flash_byte(ha, iter) == '/') {
3108 				if (qla2x00_read_flash_byte(ha, iter + 2) ==
3109 				    '/')
3110 					do_next++;
3111 				else if (qla2x00_read_flash_byte(ha,
3112 				    iter + 3) == '/')
3113 					do_next++;
3114 			}
3115 		}
3116 		if (!do_next)
3117 			break;
3118 
3119 		/* Backtrack to previous ' ' (space). */
3120 		do_next = 0;
3121 		while ((iter > istart) && !do_next) {
3122 			iter--;
3123 			if (qla2x00_read_flash_byte(ha, iter) == ' ')
3124 				do_next++;
3125 		}
3126 		if (!do_next)
3127 			break;
3128 
3129 		/*
3130 		 * Mark end of version tag, and find previous ' ' (space) or
3131 		 * string length (recent FCODE images -- major hack ahead!!!).
3132 		 */
3133 		vend = iter - 1;
3134 		do_next = 0;
3135 		while ((iter > istart) && !do_next) {
3136 			iter--;
3137 			rbyte = qla2x00_read_flash_byte(ha, iter);
3138 			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
3139 				do_next++;
3140 		}
3141 		if (!do_next)
3142 			break;
3143 
3144 		/* Mark beginning of version tag, and copy data. */
3145 		iter++;
3146 		if ((vend - iter) &&
3147 		    ((vend - iter) < sizeof(ha->fcode_revision))) {
3148 			vbyte = ha->fcode_revision;
3149 			while (iter <= vend) {
3150 				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
3151 				iter++;
3152 			}
3153 			ret = QLA_SUCCESS;
3154 		}
3155 	} while (0);
3156 
3157 	if (ret != QLA_SUCCESS)
3158 		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3159 }
3160 
3161 int
3162 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3163 {
3164 	int ret = QLA_SUCCESS;
3165 	uint8_t code_type, last_image;
3166 	uint32_t pcihdr, pcids;
3167 	uint8_t *dbyte;
3168 	uint16_t *dcode;
3169 	struct qla_hw_data *ha = vha->hw;
3170 
3171 	if (!ha->pio_address || !mbuf)
3172 		return QLA_FUNCTION_FAILED;
3173 
3174 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3175 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3176 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3177 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3178 
3179 	qla2x00_flash_enable(ha);
3180 
3181 	/* Begin with first PCI expansion ROM header. */
3182 	pcihdr = 0;
3183 	last_image = 1;
3184 	do {
3185 		/* Verify PCI expansion ROM header. */
3186 		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
3187 		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
3188 			/* No signature */
3189 			ql_log(ql_log_fatal, vha, 0x0050,
3190 			    "No matching ROM signature.\n");
3191 			ret = QLA_FUNCTION_FAILED;
3192 			break;
3193 		}
3194 
3195 		/* Locate PCI data structure. */
3196 		pcids = pcihdr +
3197 		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
3198 			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
3199 
3200 		/* Validate signature of PCI data structure. */
3201 		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
3202 		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
3203 		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
3204 		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
3205 			/* Incorrect header. */
3206 			ql_log(ql_log_fatal, vha, 0x0051,
3207 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3208 			ret = QLA_FUNCTION_FAILED;
3209 			break;
3210 		}
3211 
3212 		/* Read version */
3213 		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
3214 		switch (code_type) {
3215 		case ROM_CODE_TYPE_BIOS:
3216 			/* Intel x86, PC-AT compatible. */
3217 			ha->bios_revision[0] =
3218 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3219 			ha->bios_revision[1] =
3220 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3221 			ql_dbg(ql_dbg_init, vha, 0x0052,
3222 			    "Read BIOS %d.%d.\n",
3223 			    ha->bios_revision[1], ha->bios_revision[0]);
3224 			break;
3225 		case ROM_CODE_TYPE_FCODE:
3226 			/* Open Firmware standard for PCI (FCode). */
3227 			/* Eeeewww... */
3228 			qla2x00_get_fcode_version(ha, pcids);
3229 			break;
3230 		case ROM_CODE_TYPE_EFI:
3231 			/* Extensible Firmware Interface (EFI). */
3232 			ha->efi_revision[0] =
3233 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3234 			ha->efi_revision[1] =
3235 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3236 			ql_dbg(ql_dbg_init, vha, 0x0053,
3237 			    "Read EFI %d.%d.\n",
3238 			    ha->efi_revision[1], ha->efi_revision[0]);
3239 			break;
3240 		default:
3241 			ql_log(ql_log_warn, vha, 0x0054,
3242 			    "Unrecognized code type %x at pcids %x.\n",
3243 			    code_type, pcids);
3244 			break;
3245 		}
3246 
3247 		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
3248 
3249 		/* Locate next PCI expansion ROM. */
3250 		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
3251 		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
3252 	} while (!last_image);
3253 
3254 	if (IS_QLA2322(ha)) {
3255 		/* Read firmware image information. */
3256 		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3257 		dbyte = mbuf;
3258 		memset(dbyte, 0, 8);
3259 		dcode = (uint16_t *)dbyte;
3260 
3261 		qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
3262 		    8);
3263 		ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
3264 		    "Dumping fw "
3265 		    "ver from flash:.\n");
3266 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
3267 		    dbyte, 32);
3268 
3269 		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
3270 		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
3271 		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3272 		    dcode[3] == 0)) {
3273 			ql_log(ql_log_warn, vha, 0x0057,
3274 			    "Unrecognized fw revision at %x.\n",
3275 			    ha->flt_region_fw * 4);
3276 		} else {
3277 			/* values are in big endian */
3278 			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
3279 			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
3280 			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
3281 			ql_dbg(ql_dbg_init, vha, 0x0058,
3282 			    "FW Version: "
3283 			    "%d.%d.%d.\n", ha->fw_revision[0],
3284 			    ha->fw_revision[1], ha->fw_revision[2]);
3285 		}
3286 	}
3287 
3288 	qla2x00_flash_disable(ha);
3289 
3290 	return ret;
3291 }
3292 
3293 int
3294 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3295 {
3296 	int ret = QLA_SUCCESS;
3297 	uint32_t pcihdr, pcids;
3298 	uint32_t *dcode = mbuf;
3299 	uint8_t *bcode = mbuf;
3300 	uint8_t code_type, last_image;
3301 	struct qla_hw_data *ha = vha->hw;
3302 
3303 	if (!mbuf)
3304 		return QLA_FUNCTION_FAILED;
3305 
3306 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3307 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3308 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3309 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3310 
3311 	/* Begin with first PCI expansion ROM header. */
3312 	pcihdr = ha->flt_region_boot << 2;
3313 	last_image = 1;
3314 	do {
3315 		/* Verify PCI expansion ROM header. */
3316 		ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
3317 		bcode = mbuf + (pcihdr % 4);
3318 		if (memcmp(bcode, "\x55\xaa", 2)) {
3319 			/* No signature */
3320 			ql_log(ql_log_fatal, vha, 0x0154,
3321 			    "No matching ROM signature.\n");
3322 			ret = QLA_FUNCTION_FAILED;
3323 			break;
3324 		}
3325 
3326 		/* Locate PCI data structure. */
3327 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3328 
3329 		ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
3330 		bcode = mbuf + (pcihdr % 4);
3331 
3332 		/* Validate signature of PCI data structure. */
3333 		if (memcmp(bcode, "PCIR", 4)) {
3334 			/* Incorrect header. */
3335 			ql_log(ql_log_fatal, vha, 0x0155,
3336 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3337 			ret = QLA_FUNCTION_FAILED;
3338 			break;
3339 		}
3340 
3341 		/* Read version */
3342 		code_type = bcode[0x14];
3343 		switch (code_type) {
3344 		case ROM_CODE_TYPE_BIOS:
3345 			/* Intel x86, PC-AT compatible. */
3346 			ha->bios_revision[0] = bcode[0x12];
3347 			ha->bios_revision[1] = bcode[0x13];
3348 			ql_dbg(ql_dbg_init, vha, 0x0156,
3349 			    "Read BIOS %d.%d.\n",
3350 			    ha->bios_revision[1], ha->bios_revision[0]);
3351 			break;
3352 		case ROM_CODE_TYPE_FCODE:
3353 			/* Open Firmware standard for PCI (FCode). */
3354 			ha->fcode_revision[0] = bcode[0x12];
3355 			ha->fcode_revision[1] = bcode[0x13];
3356 			ql_dbg(ql_dbg_init, vha, 0x0157,
3357 			    "Read FCODE %d.%d.\n",
3358 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3359 			break;
3360 		case ROM_CODE_TYPE_EFI:
3361 			/* Extensible Firmware Interface (EFI). */
3362 			ha->efi_revision[0] = bcode[0x12];
3363 			ha->efi_revision[1] = bcode[0x13];
3364 			ql_dbg(ql_dbg_init, vha, 0x0158,
3365 			    "Read EFI %d.%d.\n",
3366 			    ha->efi_revision[1], ha->efi_revision[0]);
3367 			break;
3368 		default:
3369 			ql_log(ql_log_warn, vha, 0x0159,
3370 			    "Unrecognized code type %x at pcids %x.\n",
3371 			    code_type, pcids);
3372 			break;
3373 		}
3374 
3375 		last_image = bcode[0x15] & BIT_7;
3376 
3377 		/* Locate next PCI expansion ROM. */
3378 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3379 	} while (!last_image);
3380 
3381 	/* Read firmware image information. */
3382 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3383 	dcode = mbuf;
3384 	ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
3385 	bcode = mbuf + (pcihdr % 4);
3386 
3387 	/* Validate signature of PCI data structure. */
3388 	if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3389 	    bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3390 		ha->fw_revision[0] = bcode[0x4];
3391 		ha->fw_revision[1] = bcode[0x5];
3392 		ha->fw_revision[2] = bcode[0x6];
3393 		ql_dbg(ql_dbg_init, vha, 0x0153,
3394 		    "Firmware revision %d.%d.%d\n",
3395 		    ha->fw_revision[0], ha->fw_revision[1],
3396 		    ha->fw_revision[2]);
3397 	}
3398 
3399 	return ret;
3400 }
3401 
3402 int
3403 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3404 {
3405 	int ret = QLA_SUCCESS;
3406 	uint32_t pcihdr = 0, pcids = 0;
3407 	uint32_t *dcode = mbuf;
3408 	uint8_t *bcode = mbuf;
3409 	uint8_t code_type, last_image;
3410 	int i;
3411 	struct qla_hw_data *ha = vha->hw;
3412 	uint32_t faddr = 0;
3413 	struct active_regions active_regions = { };
3414 
3415 	if (IS_P3P_TYPE(ha))
3416 		return ret;
3417 
3418 	if (!mbuf)
3419 		return QLA_FUNCTION_FAILED;
3420 
3421 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3422 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3423 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3424 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3425 
3426 	pcihdr = ha->flt_region_boot << 2;
3427 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3428 		qla27xx_get_active_image(vha, &active_regions);
3429 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE) {
3430 			pcihdr = ha->flt_region_boot_sec << 2;
3431 		}
3432 	}
3433 
3434 	do {
3435 		/* Verify PCI expansion ROM header. */
3436 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3437 		bcode = mbuf + (pcihdr % 4);
3438 		if (memcmp(bcode, "\x55\xaa", 2)) {
3439 			/* No signature */
3440 			ql_log(ql_log_fatal, vha, 0x0059,
3441 			    "No matching ROM signature.\n");
3442 			ret = QLA_FUNCTION_FAILED;
3443 			break;
3444 		}
3445 
3446 		/* Locate PCI data structure. */
3447 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3448 
3449 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3450 		bcode = mbuf + (pcihdr % 4);
3451 
3452 		/* Validate signature of PCI data structure. */
3453 		if (memcmp(bcode, "PCIR", 4)) {
3454 			/* Incorrect header. */
3455 			ql_log(ql_log_fatal, vha, 0x005a,
3456 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3457 			ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
3458 			ret = QLA_FUNCTION_FAILED;
3459 			break;
3460 		}
3461 
3462 		/* Read version */
3463 		code_type = bcode[0x14];
3464 		switch (code_type) {
3465 		case ROM_CODE_TYPE_BIOS:
3466 			/* Intel x86, PC-AT compatible. */
3467 			ha->bios_revision[0] = bcode[0x12];
3468 			ha->bios_revision[1] = bcode[0x13];
3469 			ql_dbg(ql_dbg_init, vha, 0x005b,
3470 			    "Read BIOS %d.%d.\n",
3471 			    ha->bios_revision[1], ha->bios_revision[0]);
3472 			break;
3473 		case ROM_CODE_TYPE_FCODE:
3474 			/* Open Firmware standard for PCI (FCode). */
3475 			ha->fcode_revision[0] = bcode[0x12];
3476 			ha->fcode_revision[1] = bcode[0x13];
3477 			ql_dbg(ql_dbg_init, vha, 0x005c,
3478 			    "Read FCODE %d.%d.\n",
3479 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3480 			break;
3481 		case ROM_CODE_TYPE_EFI:
3482 			/* Extensible Firmware Interface (EFI). */
3483 			ha->efi_revision[0] = bcode[0x12];
3484 			ha->efi_revision[1] = bcode[0x13];
3485 			ql_dbg(ql_dbg_init, vha, 0x005d,
3486 			    "Read EFI %d.%d.\n",
3487 			    ha->efi_revision[1], ha->efi_revision[0]);
3488 			break;
3489 		default:
3490 			ql_log(ql_log_warn, vha, 0x005e,
3491 			    "Unrecognized code type %x at pcids %x.\n",
3492 			    code_type, pcids);
3493 			break;
3494 		}
3495 
3496 		last_image = bcode[0x15] & BIT_7;
3497 
3498 		/* Locate next PCI expansion ROM. */
3499 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3500 	} while (!last_image);
3501 
3502 	/* Read firmware image information. */
3503 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3504 	faddr = ha->flt_region_fw;
3505 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3506 		qla27xx_get_active_image(vha, &active_regions);
3507 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE)
3508 			faddr = ha->flt_region_fw_sec;
3509 	}
3510 
3511 	qla24xx_read_flash_data(vha, dcode, faddr, 8);
3512 	if (qla24xx_risc_firmware_invalid(dcode)) {
3513 		ql_log(ql_log_warn, vha, 0x005f,
3514 		    "Unrecognized fw revision at %x.\n",
3515 		    ha->flt_region_fw * 4);
3516 		ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
3517 	} else {
3518 		for (i = 0; i < 4; i++)
3519 			ha->fw_revision[i] =
3520 				be32_to_cpu((__force __be32)dcode[4+i]);
3521 		ql_dbg(ql_dbg_init, vha, 0x0060,
3522 		    "Firmware revision (flash) %u.%u.%u (%x).\n",
3523 		    ha->fw_revision[0], ha->fw_revision[1],
3524 		    ha->fw_revision[2], ha->fw_revision[3]);
3525 	}
3526 
3527 	/* Check for golden firmware and get version if available */
3528 	if (!IS_QLA81XX(ha)) {
3529 		/* Golden firmware is not present in non 81XX adapters */
3530 		return ret;
3531 	}
3532 
3533 	memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3534 	faddr = ha->flt_region_gold_fw;
3535 	qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8);
3536 	if (qla24xx_risc_firmware_invalid(dcode)) {
3537 		ql_log(ql_log_warn, vha, 0x0056,
3538 		    "Unrecognized golden fw at %#x.\n", faddr);
3539 		ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
3540 		return ret;
3541 	}
3542 
3543 	for (i = 0; i < 4; i++)
3544 		ha->gold_fw_version[i] =
3545 			be32_to_cpu((__force __be32)dcode[4+i]);
3546 
3547 	return ret;
3548 }
3549 
3550 static int
3551 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3552 {
3553 	if (pos >= end || *pos != 0x82)
3554 		return 0;
3555 
3556 	pos += 3 + pos[1];
3557 	if (pos >= end || *pos != 0x90)
3558 		return 0;
3559 
3560 	pos += 3 + pos[1];
3561 	if (pos >= end || *pos != 0x78)
3562 		return 0;
3563 
3564 	return 1;
3565 }
3566 
3567 int
3568 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3569 {
3570 	struct qla_hw_data *ha = vha->hw;
3571 	uint8_t *pos = ha->vpd;
3572 	uint8_t *end = pos + ha->vpd_size;
3573 	int len = 0;
3574 
3575 	if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3576 		return 0;
3577 
3578 	while (pos < end && *pos != 0x78) {
3579 		len = (*pos == 0x82) ? pos[1] : pos[2];
3580 
3581 		if (!strncmp(pos, key, strlen(key)))
3582 			break;
3583 
3584 		if (*pos != 0x90 && *pos != 0x91)
3585 			pos += len;
3586 
3587 		pos += 3;
3588 	}
3589 
3590 	if (pos < end - len && *pos != 0x78)
3591 		return scnprintf(str, size, "%.*s", len, pos + 3);
3592 
3593 	return 0;
3594 }
3595 
3596 int
3597 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3598 {
3599 	int len, max_len;
3600 	uint32_t fcp_prio_addr;
3601 	struct qla_hw_data *ha = vha->hw;
3602 
3603 	if (!ha->fcp_prio_cfg) {
3604 		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3605 		if (!ha->fcp_prio_cfg) {
3606 			ql_log(ql_log_warn, vha, 0x00d5,
3607 			    "Unable to allocate memory for fcp priority data (%x).\n",
3608 			    FCP_PRIO_CFG_SIZE);
3609 			return QLA_FUNCTION_FAILED;
3610 		}
3611 	}
3612 	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3613 
3614 	fcp_prio_addr = ha->flt_region_fcp_prio;
3615 
3616 	/* first read the fcp priority data header from flash */
3617 	ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
3618 			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3619 
3620 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3621 		goto fail;
3622 
3623 	/* read remaining FCP CMD config data from flash */
3624 	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3625 	len = ha->fcp_prio_cfg->num_entries * sizeof(struct qla_fcp_prio_entry);
3626 	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3627 
3628 	ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
3629 			fcp_prio_addr << 2, (len < max_len ? len : max_len));
3630 
3631 	/* revalidate the entire FCP priority config data, including entries */
3632 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3633 		goto fail;
3634 
3635 	ha->flags.fcp_prio_enabled = 1;
3636 	return QLA_SUCCESS;
3637 fail:
3638 	vfree(ha->fcp_prio_cfg);
3639 	ha->fcp_prio_cfg = NULL;
3640 	return QLA_FUNCTION_FAILED;
3641 }
3642