xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_sup.c (revision 4f727ece)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <linux/vmalloc.h>
12 #include <linux/uaccess.h>
13 
14 /*
15  * NVRAM support routines
16  */
17 
18 /**
19  * qla2x00_lock_nvram_access() -
20  * @ha: HA context
21  */
22 static void
23 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
24 {
25 	uint16_t data;
26 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
27 
28 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
29 		data = RD_REG_WORD(&reg->nvram);
30 		while (data & NVR_BUSY) {
31 			udelay(100);
32 			data = RD_REG_WORD(&reg->nvram);
33 		}
34 
35 		/* Lock resource */
36 		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
37 		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
38 		udelay(5);
39 		data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
40 		while ((data & BIT_0) == 0) {
41 			/* Lock failed */
42 			udelay(100);
43 			WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
44 			RD_REG_WORD(&reg->u.isp2300.host_semaphore);
45 			udelay(5);
46 			data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
47 		}
48 	}
49 }
50 
51 /**
52  * qla2x00_unlock_nvram_access() -
53  * @ha: HA context
54  */
55 static void
56 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
57 {
58 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
59 
60 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
61 		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
62 		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
63 	}
64 }
65 
66 /**
67  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
68  * @ha: HA context
69  * @data: Serial interface selector
70  */
71 static void
72 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
73 {
74 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
75 
76 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
77 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
78 	NVRAM_DELAY();
79 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
80 	    NVR_WRT_ENABLE);
81 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
82 	NVRAM_DELAY();
83 	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
84 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
85 	NVRAM_DELAY();
86 }
87 
88 /**
89  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
90  *	NVRAM.
91  * @ha: HA context
92  * @nv_cmd: NVRAM command
93  *
94  * Bit definitions for NVRAM command:
95  *
96  *	Bit 26     = start bit
97  *	Bit 25, 24 = opcode
98  *	Bit 23-16  = address
99  *	Bit 15-0   = write data
100  *
101  * Returns the word read from nvram @addr.
102  */
103 static uint16_t
104 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
105 {
106 	uint8_t		cnt;
107 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
108 	uint16_t	data = 0;
109 	uint16_t	reg_data;
110 
111 	/* Send command to NVRAM. */
112 	nv_cmd <<= 5;
113 	for (cnt = 0; cnt < 11; cnt++) {
114 		if (nv_cmd & BIT_31)
115 			qla2x00_nv_write(ha, NVR_DATA_OUT);
116 		else
117 			qla2x00_nv_write(ha, 0);
118 		nv_cmd <<= 1;
119 	}
120 
121 	/* Read data from NVRAM. */
122 	for (cnt = 0; cnt < 16; cnt++) {
123 		WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
124 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
125 		NVRAM_DELAY();
126 		data <<= 1;
127 		reg_data = RD_REG_WORD(&reg->nvram);
128 		if (reg_data & NVR_DATA_IN)
129 			data |= BIT_0;
130 		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
131 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
132 		NVRAM_DELAY();
133 	}
134 
135 	/* Deselect chip. */
136 	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
137 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
138 	NVRAM_DELAY();
139 
140 	return data;
141 }
142 
143 
144 /**
145  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
146  *	request routine to get the word from NVRAM.
147  * @ha: HA context
148  * @addr: Address in NVRAM to read
149  *
150  * Returns the word read from nvram @addr.
151  */
152 static uint16_t
153 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
154 {
155 	uint16_t	data;
156 	uint32_t	nv_cmd;
157 
158 	nv_cmd = addr << 16;
159 	nv_cmd |= NV_READ_OP;
160 	data = qla2x00_nvram_request(ha, nv_cmd);
161 
162 	return (data);
163 }
164 
165 /**
166  * qla2x00_nv_deselect() - Deselect NVRAM operations.
167  * @ha: HA context
168  */
169 static void
170 qla2x00_nv_deselect(struct qla_hw_data *ha)
171 {
172 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
173 
174 	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
175 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
176 	NVRAM_DELAY();
177 }
178 
179 /**
180  * qla2x00_write_nvram_word() - Write NVRAM data.
181  * @ha: HA context
182  * @addr: Address in NVRAM to write
183  * @data: word to program
184  */
185 static void
186 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
187 {
188 	int count;
189 	uint16_t word;
190 	uint32_t nv_cmd, wait_cnt;
191 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
192 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
193 
194 	qla2x00_nv_write(ha, NVR_DATA_OUT);
195 	qla2x00_nv_write(ha, 0);
196 	qla2x00_nv_write(ha, 0);
197 
198 	for (word = 0; word < 8; word++)
199 		qla2x00_nv_write(ha, NVR_DATA_OUT);
200 
201 	qla2x00_nv_deselect(ha);
202 
203 	/* Write data */
204 	nv_cmd = (addr << 16) | NV_WRITE_OP;
205 	nv_cmd |= data;
206 	nv_cmd <<= 5;
207 	for (count = 0; count < 27; count++) {
208 		if (nv_cmd & BIT_31)
209 			qla2x00_nv_write(ha, NVR_DATA_OUT);
210 		else
211 			qla2x00_nv_write(ha, 0);
212 
213 		nv_cmd <<= 1;
214 	}
215 
216 	qla2x00_nv_deselect(ha);
217 
218 	/* Wait for NVRAM to become ready */
219 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
220 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
221 	wait_cnt = NVR_WAIT_CNT;
222 	do {
223 		if (!--wait_cnt) {
224 			ql_dbg(ql_dbg_user, vha, 0x708d,
225 			    "NVRAM didn't go ready...\n");
226 			break;
227 		}
228 		NVRAM_DELAY();
229 		word = RD_REG_WORD(&reg->nvram);
230 	} while ((word & NVR_DATA_IN) == 0);
231 
232 	qla2x00_nv_deselect(ha);
233 
234 	/* Disable writes */
235 	qla2x00_nv_write(ha, NVR_DATA_OUT);
236 	for (count = 0; count < 10; count++)
237 		qla2x00_nv_write(ha, 0);
238 
239 	qla2x00_nv_deselect(ha);
240 }
241 
242 static int
243 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
244 	uint16_t data, uint32_t tmo)
245 {
246 	int ret, count;
247 	uint16_t word;
248 	uint32_t nv_cmd;
249 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
250 
251 	ret = QLA_SUCCESS;
252 
253 	qla2x00_nv_write(ha, NVR_DATA_OUT);
254 	qla2x00_nv_write(ha, 0);
255 	qla2x00_nv_write(ha, 0);
256 
257 	for (word = 0; word < 8; word++)
258 		qla2x00_nv_write(ha, NVR_DATA_OUT);
259 
260 	qla2x00_nv_deselect(ha);
261 
262 	/* Write data */
263 	nv_cmd = (addr << 16) | NV_WRITE_OP;
264 	nv_cmd |= data;
265 	nv_cmd <<= 5;
266 	for (count = 0; count < 27; count++) {
267 		if (nv_cmd & BIT_31)
268 			qla2x00_nv_write(ha, NVR_DATA_OUT);
269 		else
270 			qla2x00_nv_write(ha, 0);
271 
272 		nv_cmd <<= 1;
273 	}
274 
275 	qla2x00_nv_deselect(ha);
276 
277 	/* Wait for NVRAM to become ready */
278 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
279 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
280 	do {
281 		NVRAM_DELAY();
282 		word = RD_REG_WORD(&reg->nvram);
283 		if (!--tmo) {
284 			ret = QLA_FUNCTION_FAILED;
285 			break;
286 		}
287 	} while ((word & NVR_DATA_IN) == 0);
288 
289 	qla2x00_nv_deselect(ha);
290 
291 	/* Disable writes */
292 	qla2x00_nv_write(ha, NVR_DATA_OUT);
293 	for (count = 0; count < 10; count++)
294 		qla2x00_nv_write(ha, 0);
295 
296 	qla2x00_nv_deselect(ha);
297 
298 	return ret;
299 }
300 
301 /**
302  * qla2x00_clear_nvram_protection() -
303  * @ha: HA context
304  */
305 static int
306 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
307 {
308 	int ret, stat;
309 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
310 	uint32_t word, wait_cnt;
311 	uint16_t wprot, wprot_old;
312 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
313 
314 	/* Clear NVRAM write protection. */
315 	ret = QLA_FUNCTION_FAILED;
316 
317 	wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
318 	stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
319 					    cpu_to_le16(0x1234), 100000);
320 	wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
321 	if (stat != QLA_SUCCESS || wprot != 0x1234) {
322 		/* Write enable. */
323 		qla2x00_nv_write(ha, NVR_DATA_OUT);
324 		qla2x00_nv_write(ha, 0);
325 		qla2x00_nv_write(ha, 0);
326 		for (word = 0; word < 8; word++)
327 			qla2x00_nv_write(ha, NVR_DATA_OUT);
328 
329 		qla2x00_nv_deselect(ha);
330 
331 		/* Enable protection register. */
332 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
333 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
334 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
335 		for (word = 0; word < 8; word++)
336 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
337 
338 		qla2x00_nv_deselect(ha);
339 
340 		/* Clear protection register (ffff is cleared). */
341 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
342 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
343 		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
344 		for (word = 0; word < 8; word++)
345 			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
346 
347 		qla2x00_nv_deselect(ha);
348 
349 		/* Wait for NVRAM to become ready. */
350 		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
351 		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
352 		wait_cnt = NVR_WAIT_CNT;
353 		do {
354 			if (!--wait_cnt) {
355 				ql_dbg(ql_dbg_user, vha, 0x708e,
356 				    "NVRAM didn't go ready...\n");
357 				break;
358 			}
359 			NVRAM_DELAY();
360 			word = RD_REG_WORD(&reg->nvram);
361 		} while ((word & NVR_DATA_IN) == 0);
362 
363 		if (wait_cnt)
364 			ret = QLA_SUCCESS;
365 	} else
366 		qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
367 
368 	return ret;
369 }
370 
371 static void
372 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
373 {
374 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
375 	uint32_t word, wait_cnt;
376 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
377 
378 	if (stat != QLA_SUCCESS)
379 		return;
380 
381 	/* Set NVRAM write protection. */
382 	/* Write enable. */
383 	qla2x00_nv_write(ha, NVR_DATA_OUT);
384 	qla2x00_nv_write(ha, 0);
385 	qla2x00_nv_write(ha, 0);
386 	for (word = 0; word < 8; word++)
387 		qla2x00_nv_write(ha, NVR_DATA_OUT);
388 
389 	qla2x00_nv_deselect(ha);
390 
391 	/* Enable protection register. */
392 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
393 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
394 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
395 	for (word = 0; word < 8; word++)
396 		qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
397 
398 	qla2x00_nv_deselect(ha);
399 
400 	/* Enable protection register. */
401 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
402 	qla2x00_nv_write(ha, NVR_PR_ENABLE);
403 	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
404 	for (word = 0; word < 8; word++)
405 		qla2x00_nv_write(ha, NVR_PR_ENABLE);
406 
407 	qla2x00_nv_deselect(ha);
408 
409 	/* Wait for NVRAM to become ready. */
410 	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
411 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
412 	wait_cnt = NVR_WAIT_CNT;
413 	do {
414 		if (!--wait_cnt) {
415 			ql_dbg(ql_dbg_user, vha, 0x708f,
416 			    "NVRAM didn't go ready...\n");
417 			break;
418 		}
419 		NVRAM_DELAY();
420 		word = RD_REG_WORD(&reg->nvram);
421 	} while ((word & NVR_DATA_IN) == 0);
422 }
423 
424 
425 /*****************************************************************************/
426 /* Flash Manipulation Routines                                               */
427 /*****************************************************************************/
428 
429 static inline uint32_t
430 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
431 {
432 	return ha->flash_conf_off + faddr;
433 }
434 
435 static inline uint32_t
436 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
437 {
438 	return ha->flash_data_off + faddr;
439 }
440 
441 static inline uint32_t
442 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
443 {
444 	return ha->nvram_conf_off + naddr;
445 }
446 
447 static inline uint32_t
448 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
449 {
450 	return ha->nvram_data_off + naddr;
451 }
452 
453 static int
454 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t *data)
455 {
456 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
457 	ulong cnt = 30000;
458 
459 	WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
460 
461 	while (cnt--) {
462 		if (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) {
463 			*data = RD_REG_DWORD(&reg->flash_data);
464 			return QLA_SUCCESS;
465 		}
466 		udelay(10);
467 		cond_resched();
468 	}
469 
470 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
471 	    "Flash read dword at %x timeout.\n", addr);
472 	*data = 0xDEADDEAD;
473 	return QLA_FUNCTION_TIMEOUT;
474 }
475 
476 uint32_t *
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 	struct qla_hw_data *ha = vha->hw;
482 
483 	/* Dword reads to flash. */
484 	faddr =  flash_data_addr(ha, faddr);
485 	for (i = 0; i < dwords; i++, faddr++, dwptr++) {
486 		if (qla24xx_read_flash_dword(ha, faddr, dwptr))
487 			break;
488 		cpu_to_le32s(dwptr);
489 	}
490 
491 	return dwptr;
492 }
493 
494 static int
495 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
496 {
497 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
498 	ulong cnt = 500000;
499 
500 	WRT_REG_DWORD(&reg->flash_data, data);
501 	WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
502 
503 	while (cnt--) {
504 		if (!(RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG))
505 			return QLA_SUCCESS;
506 		udelay(10);
507 		cond_resched();
508 	}
509 
510 	ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
511 	    "Flash write dword at %x timeout.\n", addr);
512 	return QLA_FUNCTION_TIMEOUT;
513 }
514 
515 static void
516 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
517     uint8_t *flash_id)
518 {
519 	uint32_t faddr, ids = 0;
520 
521 	*man_id = *flash_id = 0;
522 
523 	faddr = flash_conf_addr(ha, 0x03ab);
524 	if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
525 		*man_id = LSB(ids);
526 		*flash_id = MSB(ids);
527 	}
528 
529 	/* Check if man_id and flash_id are valid. */
530 	if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
531 		/* Read information using 0x9f opcode
532 		 * Device ID, Mfg ID would be read in the format:
533 		 *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
534 		 * Example: ATMEL 0x00 01 45 1F
535 		 * Extract MFG and Dev ID from last two bytes.
536 		 */
537 		faddr = flash_conf_addr(ha, 0x009f);
538 		if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
539 			*man_id = LSB(ids);
540 			*flash_id = MSB(ids);
541 		}
542 	}
543 }
544 
545 static int
546 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
547 {
548 	const char *loc, *locations[] = { "DEF", "PCI" };
549 	uint32_t pcihdr, pcids;
550 	uint16_t cnt, chksum, *wptr;
551 	struct qla_hw_data *ha = vha->hw;
552 	struct req_que *req = ha->req_q_map[0];
553 	struct qla_flt_location *fltl = (void *)req->ring;
554 	uint32_t *dcode = (void *)req->ring;
555 	uint8_t *buf = (void *)req->ring, *bcode,  last_image;
556 
557 	/*
558 	 * FLT-location structure resides after the last PCI region.
559 	 */
560 
561 	/* Begin with sane defaults. */
562 	loc = locations[0];
563 	*start = 0;
564 	if (IS_QLA24XX_TYPE(ha))
565 		*start = FA_FLASH_LAYOUT_ADDR_24;
566 	else if (IS_QLA25XX(ha))
567 		*start = FA_FLASH_LAYOUT_ADDR;
568 	else if (IS_QLA81XX(ha))
569 		*start = FA_FLASH_LAYOUT_ADDR_81;
570 	else if (IS_P3P_TYPE(ha)) {
571 		*start = FA_FLASH_LAYOUT_ADDR_82;
572 		goto end;
573 	} else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
574 		*start = FA_FLASH_LAYOUT_ADDR_83;
575 		goto end;
576 	} else if (IS_QLA28XX(ha)) {
577 		*start = FA_FLASH_LAYOUT_ADDR_28;
578 		goto end;
579 	}
580 
581 	/* Begin with first PCI expansion ROM header. */
582 	pcihdr = 0;
583 	do {
584 		/* Verify PCI expansion ROM header. */
585 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
586 		bcode = buf + (pcihdr % 4);
587 		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
588 			goto end;
589 
590 		/* Locate PCI data structure. */
591 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
592 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
593 		bcode = buf + (pcihdr % 4);
594 
595 		/* Validate signature of PCI data structure. */
596 		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
597 		    bcode[0x2] != 'I' || bcode[0x3] != 'R')
598 			goto end;
599 
600 		last_image = bcode[0x15] & BIT_7;
601 
602 		/* Locate next PCI expansion ROM. */
603 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
604 	} while (!last_image);
605 
606 	/* Now verify FLT-location structure. */
607 	qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2);
608 	if (memcmp(fltl->sig, "QFLT", 4))
609 		goto end;
610 
611 	wptr = (void *)req->ring;
612 	cnt = sizeof(*fltl) / sizeof(*wptr);
613 	for (chksum = 0; cnt--; wptr++)
614 		chksum += le16_to_cpu(*wptr);
615 	if (chksum) {
616 		ql_log(ql_log_fatal, vha, 0x0045,
617 		    "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
618 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
619 		    fltl, sizeof(*fltl));
620 		return QLA_FUNCTION_FAILED;
621 	}
622 
623 	/* Good data.  Use specified location. */
624 	loc = locations[1];
625 	*start = (le16_to_cpu(fltl->start_hi) << 16 |
626 	    le16_to_cpu(fltl->start_lo)) >> 2;
627 end:
628 	ql_dbg(ql_dbg_init, vha, 0x0046,
629 	    "FLTL[%s] = 0x%x.\n",
630 	    loc, *start);
631 	return QLA_SUCCESS;
632 }
633 
634 static void
635 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
636 {
637 	const char *locations[] = { "DEF", "FLT" }, *loc = locations[1];
638 	const uint32_t def_fw[] =
639 		{ FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
640 	const uint32_t def_boot[] =
641 		{ FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
642 	const uint32_t def_vpd_nvram[] =
643 		{ FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
644 	const uint32_t def_vpd0[] =
645 		{ 0, 0, FA_VPD0_ADDR_81 };
646 	const uint32_t def_vpd1[] =
647 		{ 0, 0, FA_VPD1_ADDR_81 };
648 	const uint32_t def_nvram0[] =
649 		{ 0, 0, FA_NVRAM0_ADDR_81 };
650 	const uint32_t def_nvram1[] =
651 		{ 0, 0, FA_NVRAM1_ADDR_81 };
652 	const uint32_t def_fdt[] =
653 		{ FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
654 			FA_FLASH_DESCR_ADDR_81 };
655 	const uint32_t def_npiv_conf0[] =
656 		{ FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
657 			FA_NPIV_CONF0_ADDR_81 };
658 	const uint32_t def_npiv_conf1[] =
659 		{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
660 			FA_NPIV_CONF1_ADDR_81 };
661 	const uint32_t fcp_prio_cfg0[] =
662 		{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
663 			0 };
664 	const uint32_t fcp_prio_cfg1[] =
665 		{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
666 			0 };
667 
668 	struct qla_hw_data *ha = vha->hw;
669 	uint32_t def = IS_QLA81XX(ha) ? 2 : IS_QLA25XX(ha) ? 1 : 0;
670 	struct qla_flt_header *flt = (void *)ha->flt;
671 	struct qla_flt_region *region = (void *)&flt[1];
672 	uint16_t *wptr, cnt, chksum;
673 	uint32_t start;
674 
675 	/* Assign FCP prio region since older adapters may not have FLT, or
676 	   FCP prio region in it's FLT.
677 	 */
678 	ha->flt_region_fcp_prio = (ha->port_no == 0) ?
679 	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
680 
681 	ha->flt_region_flt = flt_addr;
682 	wptr = (uint16_t *)ha->flt;
683 	qla24xx_read_flash_data(vha, (void *)flt, flt_addr,
684 	    (sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE) >> 2);
685 
686 	if (le16_to_cpu(*wptr) == 0xffff)
687 		goto no_flash_data;
688 	if (flt->version != cpu_to_le16(1)) {
689 		ql_log(ql_log_warn, vha, 0x0047,
690 		    "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
691 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
692 		    le16_to_cpu(flt->checksum));
693 		goto no_flash_data;
694 	}
695 
696 	cnt = (sizeof(*flt) + le16_to_cpu(flt->length)) / sizeof(*wptr);
697 	for (chksum = 0; cnt--; wptr++)
698 		chksum += le16_to_cpu(*wptr);
699 	if (chksum) {
700 		ql_log(ql_log_fatal, vha, 0x0048,
701 		    "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
702 		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
703 		    le16_to_cpu(flt->checksum));
704 		goto no_flash_data;
705 	}
706 
707 	cnt = le16_to_cpu(flt->length) / sizeof(*region);
708 	for ( ; cnt; cnt--, region++) {
709 		/* Store addresses as DWORD offsets. */
710 		start = le32_to_cpu(region->start) >> 2;
711 		ql_dbg(ql_dbg_init, vha, 0x0049,
712 		    "FLT[%#x]: start=%#x end=%#x size=%#x.\n",
713 		    le16_to_cpu(region->code), start,
714 		    le32_to_cpu(region->end) >> 2,
715 		    le32_to_cpu(region->size) >> 2);
716 		if (region->attribute)
717 			ql_log(ql_dbg_init, vha, 0xffff,
718 			    "Region %x is secure\n", region->code);
719 
720 		switch (le16_to_cpu(region->code)) {
721 		case FLT_REG_FCOE_FW:
722 			if (!IS_QLA8031(ha))
723 				break;
724 			ha->flt_region_fw = start;
725 			break;
726 		case FLT_REG_FW:
727 			if (IS_QLA8031(ha))
728 				break;
729 			ha->flt_region_fw = start;
730 			break;
731 		case FLT_REG_BOOT_CODE:
732 			ha->flt_region_boot = start;
733 			break;
734 		case FLT_REG_VPD_0:
735 			if (IS_QLA8031(ha))
736 				break;
737 			ha->flt_region_vpd_nvram = start;
738 			if (IS_P3P_TYPE(ha))
739 				break;
740 			if (ha->port_no == 0)
741 				ha->flt_region_vpd = start;
742 			break;
743 		case FLT_REG_VPD_1:
744 			if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
745 				break;
746 			if (ha->port_no == 1)
747 				ha->flt_region_vpd = start;
748 			break;
749 		case FLT_REG_VPD_2:
750 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
751 				break;
752 			if (ha->port_no == 2)
753 				ha->flt_region_vpd = start;
754 			break;
755 		case FLT_REG_VPD_3:
756 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
757 				break;
758 			if (ha->port_no == 3)
759 				ha->flt_region_vpd = start;
760 			break;
761 		case FLT_REG_NVRAM_0:
762 			if (IS_QLA8031(ha))
763 				break;
764 			if (ha->port_no == 0)
765 				ha->flt_region_nvram = start;
766 			break;
767 		case FLT_REG_NVRAM_1:
768 			if (IS_QLA8031(ha))
769 				break;
770 			if (ha->port_no == 1)
771 				ha->flt_region_nvram = start;
772 			break;
773 		case FLT_REG_NVRAM_2:
774 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
775 				break;
776 			if (ha->port_no == 2)
777 				ha->flt_region_nvram = start;
778 			break;
779 		case FLT_REG_NVRAM_3:
780 			if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
781 				break;
782 			if (ha->port_no == 3)
783 				ha->flt_region_nvram = start;
784 			break;
785 		case FLT_REG_FDT:
786 			ha->flt_region_fdt = start;
787 			break;
788 		case FLT_REG_NPIV_CONF_0:
789 			if (ha->port_no == 0)
790 				ha->flt_region_npiv_conf = start;
791 			break;
792 		case FLT_REG_NPIV_CONF_1:
793 			if (ha->port_no == 1)
794 				ha->flt_region_npiv_conf = start;
795 			break;
796 		case FLT_REG_GOLD_FW:
797 			ha->flt_region_gold_fw = start;
798 			break;
799 		case FLT_REG_FCP_PRIO_0:
800 			if (ha->port_no == 0)
801 				ha->flt_region_fcp_prio = start;
802 			break;
803 		case FLT_REG_FCP_PRIO_1:
804 			if (ha->port_no == 1)
805 				ha->flt_region_fcp_prio = start;
806 			break;
807 		case FLT_REG_BOOT_CODE_82XX:
808 			ha->flt_region_boot = start;
809 			break;
810 		case FLT_REG_BOOT_CODE_8044:
811 			if (IS_QLA8044(ha))
812 				ha->flt_region_boot = start;
813 			break;
814 		case FLT_REG_FW_82XX:
815 			ha->flt_region_fw = start;
816 			break;
817 		case FLT_REG_CNA_FW:
818 			if (IS_CNA_CAPABLE(ha))
819 				ha->flt_region_fw = start;
820 			break;
821 		case FLT_REG_GOLD_FW_82XX:
822 			ha->flt_region_gold_fw = start;
823 			break;
824 		case FLT_REG_BOOTLOAD_82XX:
825 			ha->flt_region_bootload = start;
826 			break;
827 		case FLT_REG_VPD_8XXX:
828 			if (IS_CNA_CAPABLE(ha))
829 				ha->flt_region_vpd = start;
830 			break;
831 		case FLT_REG_FCOE_NVRAM_0:
832 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
833 				break;
834 			if (ha->port_no == 0)
835 				ha->flt_region_nvram = start;
836 			break;
837 		case FLT_REG_FCOE_NVRAM_1:
838 			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
839 				break;
840 			if (ha->port_no == 1)
841 				ha->flt_region_nvram = start;
842 			break;
843 		case FLT_REG_IMG_PRI_27XX:
844 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
845 				ha->flt_region_img_status_pri = start;
846 			break;
847 		case FLT_REG_IMG_SEC_27XX:
848 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
849 				ha->flt_region_img_status_sec = start;
850 			break;
851 		case FLT_REG_FW_SEC_27XX:
852 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
853 				ha->flt_region_fw_sec = start;
854 			break;
855 		case FLT_REG_BOOTLOAD_SEC_27XX:
856 			if (IS_QLA27XX(ha) && !IS_QLA28XX(ha))
857 				ha->flt_region_boot_sec = start;
858 			break;
859 		case FLT_REG_AUX_IMG_PRI_28XX:
860 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
861 				ha->flt_region_aux_img_status_pri = start;
862 			break;
863 		case FLT_REG_AUX_IMG_SEC_28XX:
864 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
865 				ha->flt_region_aux_img_status_sec = start;
866 			break;
867 		case FLT_REG_NVRAM_SEC_28XX_0:
868 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
869 				if (ha->port_no == 0)
870 					ha->flt_region_nvram_sec = start;
871 			break;
872 		case FLT_REG_NVRAM_SEC_28XX_1:
873 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
874 				if (ha->port_no == 1)
875 					ha->flt_region_nvram_sec = start;
876 			break;
877 		case FLT_REG_NVRAM_SEC_28XX_2:
878 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
879 				if (ha->port_no == 2)
880 					ha->flt_region_nvram_sec = start;
881 			break;
882 		case FLT_REG_NVRAM_SEC_28XX_3:
883 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
884 				if (ha->port_no == 3)
885 					ha->flt_region_nvram_sec = start;
886 			break;
887 		case FLT_REG_VPD_SEC_27XX_0:
888 		case FLT_REG_VPD_SEC_28XX_0:
889 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
890 				ha->flt_region_vpd_nvram_sec = start;
891 				if (ha->port_no == 0)
892 					ha->flt_region_vpd_sec = start;
893 			}
894 			break;
895 		case FLT_REG_VPD_SEC_27XX_1:
896 		case FLT_REG_VPD_SEC_28XX_1:
897 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
898 				if (ha->port_no == 1)
899 					ha->flt_region_vpd_sec = start;
900 			break;
901 		case FLT_REG_VPD_SEC_27XX_2:
902 		case FLT_REG_VPD_SEC_28XX_2:
903 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
904 				if (ha->port_no == 2)
905 					ha->flt_region_vpd_sec = start;
906 			break;
907 		case FLT_REG_VPD_SEC_27XX_3:
908 		case FLT_REG_VPD_SEC_28XX_3:
909 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
910 				if (ha->port_no == 3)
911 					ha->flt_region_vpd_sec = start;
912 			break;
913 		}
914 	}
915 	goto done;
916 
917 no_flash_data:
918 	/* Use hardcoded defaults. */
919 	loc = locations[0];
920 	ha->flt_region_fw = def_fw[def];
921 	ha->flt_region_boot = def_boot[def];
922 	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
923 	ha->flt_region_vpd = (ha->port_no == 0) ?
924 	    def_vpd0[def] : def_vpd1[def];
925 	ha->flt_region_nvram = (ha->port_no == 0) ?
926 	    def_nvram0[def] : def_nvram1[def];
927 	ha->flt_region_fdt = def_fdt[def];
928 	ha->flt_region_npiv_conf = (ha->port_no == 0) ?
929 	    def_npiv_conf0[def] : def_npiv_conf1[def];
930 done:
931 	ql_dbg(ql_dbg_init, vha, 0x004a,
932 	    "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
933 	    "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
934 	    loc, ha->flt_region_boot, ha->flt_region_fw,
935 	    ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
936 	    ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
937 	    ha->flt_region_fcp_prio);
938 }
939 
940 static void
941 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
942 {
943 #define FLASH_BLK_SIZE_4K	0x1000
944 #define FLASH_BLK_SIZE_32K	0x8000
945 #define FLASH_BLK_SIZE_64K	0x10000
946 	const char *loc, *locations[] = { "MID", "FDT" };
947 	struct qla_hw_data *ha = vha->hw;
948 	struct req_que *req = ha->req_q_map[0];
949 	uint16_t cnt, chksum;
950 	uint16_t *wptr = (void *)req->ring;
951 	struct qla_fdt_layout *fdt = (void *)req->ring;
952 	uint8_t	man_id, flash_id;
953 	uint16_t mid = 0, fid = 0;
954 
955 	qla24xx_read_flash_data(vha, (void *)fdt, ha->flt_region_fdt,
956 	    OPTROM_BURST_DWORDS);
957 	if (le16_to_cpu(*wptr) == 0xffff)
958 		goto no_flash_data;
959 	if (memcmp(fdt->sig, "QLID", 4))
960 		goto no_flash_data;
961 
962 	for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
963 		chksum += le16_to_cpu(*wptr);
964 	if (chksum) {
965 		ql_dbg(ql_dbg_init, vha, 0x004c,
966 		    "Inconsistent FDT detected:"
967 		    " checksum=0x%x id=%c version0x%x.\n", chksum,
968 		    fdt->sig[0], le16_to_cpu(fdt->version));
969 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
970 		    fdt, sizeof(*fdt));
971 		goto no_flash_data;
972 	}
973 
974 	loc = locations[1];
975 	mid = le16_to_cpu(fdt->man_id);
976 	fid = le16_to_cpu(fdt->id);
977 	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
978 	ha->fdt_wrt_enable = fdt->wrt_enable_bits;
979 	ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
980 	if (IS_QLA8044(ha))
981 		ha->fdt_erase_cmd = fdt->erase_cmd;
982 	else
983 		ha->fdt_erase_cmd =
984 		    flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
985 	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
986 	if (fdt->unprotect_sec_cmd) {
987 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
988 		    fdt->unprotect_sec_cmd);
989 		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
990 		    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd) :
991 		    flash_conf_addr(ha, 0x0336);
992 	}
993 	goto done;
994 no_flash_data:
995 	loc = locations[0];
996 	if (IS_P3P_TYPE(ha)) {
997 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
998 		goto done;
999 	}
1000 	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
1001 	mid = man_id;
1002 	fid = flash_id;
1003 	ha->fdt_wrt_disable = 0x9c;
1004 	ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
1005 	switch (man_id) {
1006 	case 0xbf: /* STT flash. */
1007 		if (flash_id == 0x8e)
1008 			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1009 		else
1010 			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
1011 
1012 		if (flash_id == 0x80)
1013 			ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
1014 		break;
1015 	case 0x13: /* ST M25P80. */
1016 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1017 		break;
1018 	case 0x1f: /* Atmel 26DF081A. */
1019 		ha->fdt_block_size = FLASH_BLK_SIZE_4K;
1020 		ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
1021 		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
1022 		ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
1023 		break;
1024 	default:
1025 		/* Default to 64 kb sector size. */
1026 		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1027 		break;
1028 	}
1029 done:
1030 	ql_dbg(ql_dbg_init, vha, 0x004d,
1031 	    "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1032 	    "pr=%x wrtd=0x%x blk=0x%x.\n",
1033 	    loc, mid, fid,
1034 	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1035 	    ha->fdt_wrt_disable, ha->fdt_block_size);
1036 
1037 }
1038 
1039 static void
1040 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1041 {
1042 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1043 	uint32_t *wptr;
1044 	struct qla_hw_data *ha = vha->hw;
1045 	struct req_que *req = ha->req_q_map[0];
1046 
1047 	if (!(IS_P3P_TYPE(ha)))
1048 		return;
1049 
1050 	wptr = (uint32_t *)req->ring;
1051 	ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
1052 
1053 	if (*wptr == cpu_to_le32(0xffffffff)) {
1054 		ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1055 		ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1056 	} else {
1057 		ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1058 		wptr++;
1059 		ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1060 	}
1061 	ql_dbg(ql_dbg_init, vha, 0x004e,
1062 	    "fcoe_dev_init_timeout=%d "
1063 	    "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1064 	    ha->fcoe_reset_timeout);
1065 	return;
1066 }
1067 
1068 int
1069 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1070 {
1071 	int ret;
1072 	uint32_t flt_addr;
1073 	struct qla_hw_data *ha = vha->hw;
1074 
1075 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1076 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
1077 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1078 		return QLA_SUCCESS;
1079 
1080 	ret = qla2xxx_find_flt_start(vha, &flt_addr);
1081 	if (ret != QLA_SUCCESS)
1082 		return ret;
1083 
1084 	qla2xxx_get_flt_info(vha, flt_addr);
1085 	qla2xxx_get_fdt_info(vha);
1086 	qla2xxx_get_idc_param(vha);
1087 
1088 	return QLA_SUCCESS;
1089 }
1090 
1091 void
1092 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1093 {
1094 #define NPIV_CONFIG_SIZE	(16*1024)
1095 	void *data;
1096 	uint16_t *wptr;
1097 	uint16_t cnt, chksum;
1098 	int i;
1099 	struct qla_npiv_header hdr;
1100 	struct qla_npiv_entry *entry;
1101 	struct qla_hw_data *ha = vha->hw;
1102 
1103 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1104 	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1105 		return;
1106 
1107 	if (ha->flags.nic_core_reset_hdlr_active)
1108 		return;
1109 
1110 	if (IS_QLA8044(ha))
1111 		return;
1112 
1113 	ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
1114 	    sizeof(struct qla_npiv_header));
1115 	if (hdr.version == cpu_to_le16(0xffff))
1116 		return;
1117 	if (hdr.version != cpu_to_le16(1)) {
1118 		ql_dbg(ql_dbg_user, vha, 0x7090,
1119 		    "Unsupported NPIV-Config "
1120 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1121 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1122 		    le16_to_cpu(hdr.checksum));
1123 		return;
1124 	}
1125 
1126 	data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1127 	if (!data) {
1128 		ql_log(ql_log_warn, vha, 0x7091,
1129 		    "Unable to allocate memory for data.\n");
1130 		return;
1131 	}
1132 
1133 	ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
1134 	    NPIV_CONFIG_SIZE);
1135 
1136 	cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1137 	for (wptr = data, chksum = 0; cnt--; wptr++)
1138 		chksum += le16_to_cpu(*wptr);
1139 	if (chksum) {
1140 		ql_dbg(ql_dbg_user, vha, 0x7092,
1141 		    "Inconsistent NPIV-Config "
1142 		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1143 		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1144 		    le16_to_cpu(hdr.checksum));
1145 		goto done;
1146 	}
1147 
1148 	entry = data + sizeof(struct qla_npiv_header);
1149 	cnt = le16_to_cpu(hdr.entries);
1150 	for (i = 0; cnt; cnt--, entry++, i++) {
1151 		uint16_t flags;
1152 		struct fc_vport_identifiers vid;
1153 		struct fc_vport *vport;
1154 
1155 		memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1156 
1157 		flags = le16_to_cpu(entry->flags);
1158 		if (flags == 0xffff)
1159 			continue;
1160 		if ((flags & BIT_0) == 0)
1161 			continue;
1162 
1163 		memset(&vid, 0, sizeof(vid));
1164 		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1165 		vid.vport_type = FC_PORTTYPE_NPIV;
1166 		vid.disable = false;
1167 		vid.port_name = wwn_to_u64(entry->port_name);
1168 		vid.node_name = wwn_to_u64(entry->node_name);
1169 
1170 		ql_dbg(ql_dbg_user, vha, 0x7093,
1171 		    "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
1172 		    cnt, vid.port_name, vid.node_name,
1173 		    le16_to_cpu(entry->vf_id),
1174 		    entry->q_qos, entry->f_qos);
1175 
1176 		if (i < QLA_PRECONFIG_VPORTS) {
1177 			vport = fc_vport_create(vha->host, 0, &vid);
1178 			if (!vport)
1179 				ql_log(ql_log_warn, vha, 0x7094,
1180 				    "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
1181 				    cnt, vid.port_name, vid.node_name);
1182 		}
1183 	}
1184 done:
1185 	kfree(data);
1186 }
1187 
1188 static int
1189 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1190 {
1191 	struct qla_hw_data *ha = vha->hw;
1192 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1193 
1194 	if (ha->flags.fac_supported)
1195 		return qla81xx_fac_do_write_enable(vha, 1);
1196 
1197 	/* Enable flash write. */
1198 	WRT_REG_DWORD(&reg->ctrl_status,
1199 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1200 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1201 
1202 	if (!ha->fdt_wrt_disable)
1203 		goto done;
1204 
1205 	/* Disable flash write-protection, first clear SR protection bit */
1206 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1207 	/* Then write zero again to clear remaining SR bits.*/
1208 	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1209 done:
1210 	return QLA_SUCCESS;
1211 }
1212 
1213 static int
1214 qla24xx_protect_flash(scsi_qla_host_t *vha)
1215 {
1216 	struct qla_hw_data *ha = vha->hw;
1217 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1218 	ulong cnt = 300;
1219 	uint32_t faddr, dword;
1220 
1221 	if (ha->flags.fac_supported)
1222 		return qla81xx_fac_do_write_enable(vha, 0);
1223 
1224 	if (!ha->fdt_wrt_disable)
1225 		goto skip_wrt_protect;
1226 
1227 	/* Enable flash write-protection and wait for completion. */
1228 	faddr = flash_conf_addr(ha, 0x101);
1229 	qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
1230 	faddr = flash_conf_addr(ha, 0x5);
1231 	while (cnt--) {
1232 		if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
1233 			if (!(dword & BIT_0))
1234 				break;
1235 		}
1236 		udelay(10);
1237 	}
1238 
1239 skip_wrt_protect:
1240 	/* Disable flash write. */
1241 	WRT_REG_DWORD(&reg->ctrl_status,
1242 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1243 
1244 	return QLA_SUCCESS;
1245 }
1246 
1247 static int
1248 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1249 {
1250 	struct qla_hw_data *ha = vha->hw;
1251 	uint32_t start, finish;
1252 
1253 	if (ha->flags.fac_supported) {
1254 		start = fdata >> 2;
1255 		finish = start + (ha->fdt_block_size >> 2) - 1;
1256 		return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1257 		    start), flash_data_addr(ha, finish));
1258 	}
1259 
1260 	return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1261 	    (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1262 	    ((fdata >> 16) & 0xff));
1263 }
1264 
1265 static int
1266 qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1267     uint32_t dwords)
1268 {
1269 	int ret;
1270 	ulong liter;
1271 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
1272 	uint32_t sec_mask, rest_addr, fdata;
1273 	dma_addr_t optrom_dma;
1274 	void *optrom = NULL;
1275 	struct qla_hw_data *ha = vha->hw;
1276 
1277 	if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1278 	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1279 		goto next;
1280 
1281 	/* Allocate dma buffer for burst write */
1282 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1283 	    &optrom_dma, GFP_KERNEL);
1284 	if (!optrom) {
1285 		ql_log(ql_log_warn, vha, 0x7095,
1286 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
1287 	}
1288 
1289 next:
1290 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1291 	    "Unprotect flash...\n");
1292 	ret = qla24xx_unprotect_flash(vha);
1293 	if (ret) {
1294 		ql_log(ql_log_warn, vha, 0x7096,
1295 		    "Failed to unprotect flash.\n");
1296 		goto done;
1297 	}
1298 
1299 	rest_addr = (ha->fdt_block_size >> 2) - 1;
1300 	sec_mask = ~rest_addr;
1301 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1302 		fdata = (faddr & sec_mask) << 2;
1303 
1304 		/* Are we at the beginning of a sector? */
1305 		if (!(faddr & rest_addr)) {
1306 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1307 			    "Erase sector %#x...\n", faddr);
1308 
1309 			ret = qla24xx_erase_sector(vha, fdata);
1310 			if (ret) {
1311 				ql_dbg(ql_dbg_user, vha, 0x7007,
1312 				    "Failed to erase sector %x.\n", faddr);
1313 				break;
1314 			}
1315 		}
1316 
1317 		if (optrom) {
1318 			/* If smaller than a burst remaining */
1319 			if (dwords - liter < dburst)
1320 				dburst = dwords - liter;
1321 
1322 			/* Copy to dma buffer */
1323 			memcpy(optrom, dwptr, dburst << 2);
1324 
1325 			/* Burst write */
1326 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1327 			    "Write burst (%#lx dwords)...\n", dburst);
1328 			ret = qla2x00_load_ram(vha, optrom_dma,
1329 			    flash_data_addr(ha, faddr), dburst);
1330 			if (!ret) {
1331 				liter += dburst - 1;
1332 				faddr += dburst - 1;
1333 				dwptr += dburst - 1;
1334 				continue;
1335 			}
1336 
1337 			ql_log(ql_log_warn, vha, 0x7097,
1338 			    "Failed burst-write at %x (%p/%#llx)....\n",
1339 			    flash_data_addr(ha, faddr), optrom,
1340 			    (u64)optrom_dma);
1341 
1342 			dma_free_coherent(&ha->pdev->dev,
1343 			    OPTROM_BURST_SIZE, optrom, optrom_dma);
1344 			optrom = NULL;
1345 			if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
1346 				break;
1347 			ql_log(ql_log_warn, vha, 0x7098,
1348 			    "Reverting to slow write...\n");
1349 		}
1350 
1351 		/* Slow write */
1352 		ret = qla24xx_write_flash_dword(ha,
1353 		    flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1354 		if (ret) {
1355 			ql_dbg(ql_dbg_user, vha, 0x7006,
1356 			    "Failed slopw write %x (%x)\n", faddr, *dwptr);
1357 			break;
1358 		}
1359 	}
1360 
1361 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1362 	    "Protect flash...\n");
1363 	ret = qla24xx_protect_flash(vha);
1364 	if (ret)
1365 		ql_log(ql_log_warn, vha, 0x7099,
1366 		    "Failed to protect flash\n");
1367 done:
1368 	if (optrom)
1369 		dma_free_coherent(&ha->pdev->dev,
1370 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
1371 
1372 	return ret;
1373 }
1374 
1375 uint8_t *
1376 qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1377     uint32_t bytes)
1378 {
1379 	uint32_t i;
1380 	uint16_t *wptr;
1381 	struct qla_hw_data *ha = vha->hw;
1382 
1383 	/* Word reads to NVRAM via registers. */
1384 	wptr = (uint16_t *)buf;
1385 	qla2x00_lock_nvram_access(ha);
1386 	for (i = 0; i < bytes >> 1; i++, naddr++)
1387 		wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1388 		    naddr));
1389 	qla2x00_unlock_nvram_access(ha);
1390 
1391 	return buf;
1392 }
1393 
1394 uint8_t *
1395 qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1396     uint32_t bytes)
1397 {
1398 	struct qla_hw_data *ha = vha->hw;
1399 	uint32_t *dwptr = buf;
1400 	uint32_t i;
1401 
1402 	if (IS_P3P_TYPE(ha))
1403 		return  buf;
1404 
1405 	/* Dword reads to flash. */
1406 	naddr = nvram_data_addr(ha, naddr);
1407 	bytes >>= 2;
1408 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1409 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1410 			break;
1411 		cpu_to_le32s(dwptr);
1412 	}
1413 
1414 	return buf;
1415 }
1416 
1417 int
1418 qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1419     uint32_t bytes)
1420 {
1421 	int ret, stat;
1422 	uint32_t i;
1423 	uint16_t *wptr;
1424 	unsigned long flags;
1425 	struct qla_hw_data *ha = vha->hw;
1426 
1427 	ret = QLA_SUCCESS;
1428 
1429 	spin_lock_irqsave(&ha->hardware_lock, flags);
1430 	qla2x00_lock_nvram_access(ha);
1431 
1432 	/* Disable NVRAM write-protection. */
1433 	stat = qla2x00_clear_nvram_protection(ha);
1434 
1435 	wptr = (uint16_t *)buf;
1436 	for (i = 0; i < bytes >> 1; i++, naddr++) {
1437 		qla2x00_write_nvram_word(ha, naddr,
1438 		    cpu_to_le16(*wptr));
1439 		wptr++;
1440 	}
1441 
1442 	/* Enable NVRAM write-protection. */
1443 	qla2x00_set_nvram_protection(ha, stat);
1444 
1445 	qla2x00_unlock_nvram_access(ha);
1446 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1447 
1448 	return ret;
1449 }
1450 
1451 int
1452 qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1453     uint32_t bytes)
1454 {
1455 	struct qla_hw_data *ha = vha->hw;
1456 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1457 	uint32_t *dwptr = buf;
1458 	uint32_t i;
1459 	int ret;
1460 
1461 	ret = QLA_SUCCESS;
1462 
1463 	if (IS_P3P_TYPE(ha))
1464 		return ret;
1465 
1466 	/* Enable flash write. */
1467 	WRT_REG_DWORD(&reg->ctrl_status,
1468 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1469 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1470 
1471 	/* Disable NVRAM write-protection. */
1472 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1473 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1474 
1475 	/* Dword writes to flash. */
1476 	naddr = nvram_data_addr(ha, naddr);
1477 	bytes >>= 2;
1478 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1479 		if (qla24xx_write_flash_dword(ha, naddr, cpu_to_le32(*dwptr))) {
1480 			ql_dbg(ql_dbg_user, vha, 0x709a,
1481 			    "Unable to program nvram address=%x data=%x.\n",
1482 			    naddr, *dwptr);
1483 			break;
1484 		}
1485 	}
1486 
1487 	/* Enable NVRAM write-protection. */
1488 	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1489 
1490 	/* Disable flash write. */
1491 	WRT_REG_DWORD(&reg->ctrl_status,
1492 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1493 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1494 
1495 	return ret;
1496 }
1497 
1498 uint8_t *
1499 qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1500     uint32_t bytes)
1501 {
1502 	struct qla_hw_data *ha = vha->hw;
1503 	uint32_t *dwptr = buf;
1504 	uint32_t i;
1505 
1506 	/* Dword reads to flash. */
1507 	naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
1508 	bytes >>= 2;
1509 	for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1510 		if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1511 			break;
1512 
1513 		cpu_to_le32s(dwptr);
1514 	}
1515 
1516 	return buf;
1517 }
1518 
1519 #define RMW_BUFFER_SIZE	(64 * 1024)
1520 int
1521 qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1522     uint32_t bytes)
1523 {
1524 	struct qla_hw_data *ha = vha->hw;
1525 	uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
1526 
1527 	if (!dbuf)
1528 		return QLA_MEMORY_ALLOC_FAILED;
1529 	ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1530 	    RMW_BUFFER_SIZE);
1531 	memcpy(dbuf + (naddr << 2), buf, bytes);
1532 	ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1533 	    RMW_BUFFER_SIZE);
1534 	vfree(dbuf);
1535 
1536 	return QLA_SUCCESS;
1537 }
1538 
1539 static inline void
1540 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1541 {
1542 	if (IS_QLA2322(ha)) {
1543 		/* Flip all colors. */
1544 		if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1545 			/* Turn off. */
1546 			ha->beacon_color_state = 0;
1547 			*pflags = GPIO_LED_ALL_OFF;
1548 		} else {
1549 			/* Turn on. */
1550 			ha->beacon_color_state = QLA_LED_ALL_ON;
1551 			*pflags = GPIO_LED_RGA_ON;
1552 		}
1553 	} else {
1554 		/* Flip green led only. */
1555 		if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1556 			/* Turn off. */
1557 			ha->beacon_color_state = 0;
1558 			*pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1559 		} else {
1560 			/* Turn on. */
1561 			ha->beacon_color_state = QLA_LED_GRN_ON;
1562 			*pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1563 		}
1564 	}
1565 }
1566 
1567 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1568 
1569 void
1570 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1571 {
1572 	uint16_t gpio_enable;
1573 	uint16_t gpio_data;
1574 	uint16_t led_color = 0;
1575 	unsigned long flags;
1576 	struct qla_hw_data *ha = vha->hw;
1577 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1578 
1579 	if (IS_P3P_TYPE(ha))
1580 		return;
1581 
1582 	spin_lock_irqsave(&ha->hardware_lock, flags);
1583 
1584 	/* Save the Original GPIOE. */
1585 	if (ha->pio_address) {
1586 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1587 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1588 	} else {
1589 		gpio_enable = RD_REG_WORD(&reg->gpioe);
1590 		gpio_data = RD_REG_WORD(&reg->gpiod);
1591 	}
1592 
1593 	/* Set the modified gpio_enable values */
1594 	gpio_enable |= GPIO_LED_MASK;
1595 
1596 	if (ha->pio_address) {
1597 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1598 	} else {
1599 		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1600 		RD_REG_WORD(&reg->gpioe);
1601 	}
1602 
1603 	qla2x00_flip_colors(ha, &led_color);
1604 
1605 	/* Clear out any previously set LED color. */
1606 	gpio_data &= ~GPIO_LED_MASK;
1607 
1608 	/* Set the new input LED color to GPIOD. */
1609 	gpio_data |= led_color;
1610 
1611 	/* Set the modified gpio_data values */
1612 	if (ha->pio_address) {
1613 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1614 	} else {
1615 		WRT_REG_WORD(&reg->gpiod, gpio_data);
1616 		RD_REG_WORD(&reg->gpiod);
1617 	}
1618 
1619 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1620 }
1621 
1622 int
1623 qla2x00_beacon_on(struct scsi_qla_host *vha)
1624 {
1625 	uint16_t gpio_enable;
1626 	uint16_t gpio_data;
1627 	unsigned long flags;
1628 	struct qla_hw_data *ha = vha->hw;
1629 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1630 
1631 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1632 	ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1633 
1634 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1635 		ql_log(ql_log_warn, vha, 0x709b,
1636 		    "Unable to update fw options (beacon on).\n");
1637 		return QLA_FUNCTION_FAILED;
1638 	}
1639 
1640 	/* Turn off LEDs. */
1641 	spin_lock_irqsave(&ha->hardware_lock, flags);
1642 	if (ha->pio_address) {
1643 		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1644 		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1645 	} else {
1646 		gpio_enable = RD_REG_WORD(&reg->gpioe);
1647 		gpio_data = RD_REG_WORD(&reg->gpiod);
1648 	}
1649 	gpio_enable |= GPIO_LED_MASK;
1650 
1651 	/* Set the modified gpio_enable values. */
1652 	if (ha->pio_address) {
1653 		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1654 	} else {
1655 		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1656 		RD_REG_WORD(&reg->gpioe);
1657 	}
1658 
1659 	/* Clear out previously set LED colour. */
1660 	gpio_data &= ~GPIO_LED_MASK;
1661 	if (ha->pio_address) {
1662 		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1663 	} else {
1664 		WRT_REG_WORD(&reg->gpiod, gpio_data);
1665 		RD_REG_WORD(&reg->gpiod);
1666 	}
1667 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1668 
1669 	/*
1670 	 * Let the per HBA timer kick off the blinking process based on
1671 	 * the following flags. No need to do anything else now.
1672 	 */
1673 	ha->beacon_blink_led = 1;
1674 	ha->beacon_color_state = 0;
1675 
1676 	return QLA_SUCCESS;
1677 }
1678 
1679 int
1680 qla2x00_beacon_off(struct scsi_qla_host *vha)
1681 {
1682 	int rval = QLA_SUCCESS;
1683 	struct qla_hw_data *ha = vha->hw;
1684 
1685 	ha->beacon_blink_led = 0;
1686 
1687 	/* Set the on flag so when it gets flipped it will be off. */
1688 	if (IS_QLA2322(ha))
1689 		ha->beacon_color_state = QLA_LED_ALL_ON;
1690 	else
1691 		ha->beacon_color_state = QLA_LED_GRN_ON;
1692 
1693 	ha->isp_ops->beacon_blink(vha);	/* This turns green LED off */
1694 
1695 	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1696 	ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1697 
1698 	rval = qla2x00_set_fw_options(vha, ha->fw_options);
1699 	if (rval != QLA_SUCCESS)
1700 		ql_log(ql_log_warn, vha, 0x709c,
1701 		    "Unable to update fw options (beacon off).\n");
1702 	return rval;
1703 }
1704 
1705 
1706 static inline void
1707 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1708 {
1709 	/* Flip all colors. */
1710 	if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1711 		/* Turn off. */
1712 		ha->beacon_color_state = 0;
1713 		*pflags = 0;
1714 	} else {
1715 		/* Turn on. */
1716 		ha->beacon_color_state = QLA_LED_ALL_ON;
1717 		*pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1718 	}
1719 }
1720 
1721 void
1722 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1723 {
1724 	uint16_t led_color = 0;
1725 	uint32_t gpio_data;
1726 	unsigned long flags;
1727 	struct qla_hw_data *ha = vha->hw;
1728 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1729 
1730 	/* Save the Original GPIOD. */
1731 	spin_lock_irqsave(&ha->hardware_lock, flags);
1732 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1733 
1734 	/* Enable the gpio_data reg for update. */
1735 	gpio_data |= GPDX_LED_UPDATE_MASK;
1736 
1737 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1738 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1739 
1740 	/* Set the color bits. */
1741 	qla24xx_flip_colors(ha, &led_color);
1742 
1743 	/* Clear out any previously set LED color. */
1744 	gpio_data &= ~GPDX_LED_COLOR_MASK;
1745 
1746 	/* Set the new input LED color to GPIOD. */
1747 	gpio_data |= led_color;
1748 
1749 	/* Set the modified gpio_data values. */
1750 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1751 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1752 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1753 }
1754 
1755 static uint32_t
1756 qla83xx_select_led_port(struct qla_hw_data *ha)
1757 {
1758 	uint32_t led_select_value = 0;
1759 
1760 	if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1761 		goto out;
1762 
1763 	if (ha->port_no == 0)
1764 		led_select_value = QLA83XX_LED_PORT0;
1765 	else
1766 		led_select_value = QLA83XX_LED_PORT1;
1767 
1768 out:
1769 	return led_select_value;
1770 }
1771 
1772 void
1773 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1774 {
1775 	uint32_t led_select_value;
1776 	struct qla_hw_data *ha = vha->hw;
1777 	uint16_t led_cfg[6];
1778 	uint16_t orig_led_cfg[6];
1779 	uint32_t led_10_value, led_43_value;
1780 
1781 	if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha) &&
1782 	    !IS_QLA28XX(ha))
1783 		return;
1784 
1785 	if (!ha->beacon_blink_led)
1786 		return;
1787 
1788 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1789 		qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1790 		qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1791 	} else if (IS_QLA2031(ha)) {
1792 		led_select_value = qla83xx_select_led_port(ha);
1793 
1794 		qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1795 		qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1796 	} else if (IS_QLA8031(ha)) {
1797 		led_select_value = qla83xx_select_led_port(ha);
1798 
1799 		qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1800 		qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1801 		qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1802 		msleep(500);
1803 		qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1804 		msleep(1000);
1805 		qla83xx_wr_reg(vha, led_select_value, led_10_value);
1806 		qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1807 	} else if (IS_QLA81XX(ha)) {
1808 		int rval;
1809 
1810 		/* Save Current */
1811 		rval = qla81xx_get_led_config(vha, orig_led_cfg);
1812 		/* Do the blink */
1813 		if (rval == QLA_SUCCESS) {
1814 			if (IS_QLA81XX(ha)) {
1815 				led_cfg[0] = 0x4000;
1816 				led_cfg[1] = 0x2000;
1817 				led_cfg[2] = 0;
1818 				led_cfg[3] = 0;
1819 				led_cfg[4] = 0;
1820 				led_cfg[5] = 0;
1821 			} else {
1822 				led_cfg[0] = 0x4000;
1823 				led_cfg[1] = 0x4000;
1824 				led_cfg[2] = 0x4000;
1825 				led_cfg[3] = 0x2000;
1826 				led_cfg[4] = 0;
1827 				led_cfg[5] = 0x2000;
1828 			}
1829 			rval = qla81xx_set_led_config(vha, led_cfg);
1830 			msleep(1000);
1831 			if (IS_QLA81XX(ha)) {
1832 				led_cfg[0] = 0x4000;
1833 				led_cfg[1] = 0x2000;
1834 				led_cfg[2] = 0;
1835 			} else {
1836 				led_cfg[0] = 0x4000;
1837 				led_cfg[1] = 0x2000;
1838 				led_cfg[2] = 0x4000;
1839 				led_cfg[3] = 0x4000;
1840 				led_cfg[4] = 0;
1841 				led_cfg[5] = 0x2000;
1842 			}
1843 			rval = qla81xx_set_led_config(vha, led_cfg);
1844 		}
1845 		/* On exit, restore original (presumes no status change) */
1846 		qla81xx_set_led_config(vha, orig_led_cfg);
1847 	}
1848 }
1849 
1850 int
1851 qla24xx_beacon_on(struct scsi_qla_host *vha)
1852 {
1853 	uint32_t gpio_data;
1854 	unsigned long flags;
1855 	struct qla_hw_data *ha = vha->hw;
1856 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1857 
1858 	if (IS_P3P_TYPE(ha))
1859 		return QLA_SUCCESS;
1860 
1861 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1862 		goto skip_gpio; /* let blink handle it */
1863 
1864 	if (ha->beacon_blink_led == 0) {
1865 		/* Enable firmware for update */
1866 		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1867 
1868 		if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1869 			return QLA_FUNCTION_FAILED;
1870 
1871 		if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1872 		    QLA_SUCCESS) {
1873 			ql_log(ql_log_warn, vha, 0x7009,
1874 			    "Unable to update fw options (beacon on).\n");
1875 			return QLA_FUNCTION_FAILED;
1876 		}
1877 
1878 		if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1879 			goto skip_gpio;
1880 
1881 		spin_lock_irqsave(&ha->hardware_lock, flags);
1882 		gpio_data = RD_REG_DWORD(&reg->gpiod);
1883 
1884 		/* Enable the gpio_data reg for update. */
1885 		gpio_data |= GPDX_LED_UPDATE_MASK;
1886 		WRT_REG_DWORD(&reg->gpiod, gpio_data);
1887 		RD_REG_DWORD(&reg->gpiod);
1888 
1889 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1890 	}
1891 
1892 	/* So all colors blink together. */
1893 	ha->beacon_color_state = 0;
1894 
1895 skip_gpio:
1896 	/* Let the per HBA timer kick off the blinking process. */
1897 	ha->beacon_blink_led = 1;
1898 
1899 	return QLA_SUCCESS;
1900 }
1901 
1902 int
1903 qla24xx_beacon_off(struct scsi_qla_host *vha)
1904 {
1905 	uint32_t gpio_data;
1906 	unsigned long flags;
1907 	struct qla_hw_data *ha = vha->hw;
1908 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1909 
1910 	if (IS_P3P_TYPE(ha))
1911 		return QLA_SUCCESS;
1912 
1913 	if (!ha->flags.fw_started)
1914 		return QLA_SUCCESS;
1915 
1916 	ha->beacon_blink_led = 0;
1917 
1918 	if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1919 		goto set_fw_options;
1920 
1921 	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1922 		return QLA_SUCCESS;
1923 
1924 	ha->beacon_color_state = QLA_LED_ALL_ON;
1925 
1926 	ha->isp_ops->beacon_blink(vha);	/* Will flip to all off. */
1927 
1928 	/* Give control back to firmware. */
1929 	spin_lock_irqsave(&ha->hardware_lock, flags);
1930 	gpio_data = RD_REG_DWORD(&reg->gpiod);
1931 
1932 	/* Disable the gpio_data reg for update. */
1933 	gpio_data &= ~GPDX_LED_UPDATE_MASK;
1934 	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1935 	RD_REG_DWORD(&reg->gpiod);
1936 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1937 
1938 set_fw_options:
1939 	ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1940 
1941 	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1942 		ql_log(ql_log_warn, vha, 0x704d,
1943 		    "Unable to update fw options (beacon on).\n");
1944 		return QLA_FUNCTION_FAILED;
1945 	}
1946 
1947 	if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1948 		ql_log(ql_log_warn, vha, 0x704e,
1949 		    "Unable to update fw options (beacon on).\n");
1950 		return QLA_FUNCTION_FAILED;
1951 	}
1952 
1953 	return QLA_SUCCESS;
1954 }
1955 
1956 
1957 /*
1958  * Flash support routines
1959  */
1960 
1961 /**
1962  * qla2x00_flash_enable() - Setup flash for reading and writing.
1963  * @ha: HA context
1964  */
1965 static void
1966 qla2x00_flash_enable(struct qla_hw_data *ha)
1967 {
1968 	uint16_t data;
1969 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1970 
1971 	data = RD_REG_WORD(&reg->ctrl_status);
1972 	data |= CSR_FLASH_ENABLE;
1973 	WRT_REG_WORD(&reg->ctrl_status, data);
1974 	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1975 }
1976 
1977 /**
1978  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1979  * @ha: HA context
1980  */
1981 static void
1982 qla2x00_flash_disable(struct qla_hw_data *ha)
1983 {
1984 	uint16_t data;
1985 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1986 
1987 	data = RD_REG_WORD(&reg->ctrl_status);
1988 	data &= ~(CSR_FLASH_ENABLE);
1989 	WRT_REG_WORD(&reg->ctrl_status, data);
1990 	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1991 }
1992 
1993 /**
1994  * qla2x00_read_flash_byte() - Reads a byte from flash
1995  * @ha: HA context
1996  * @addr: Address in flash to read
1997  *
1998  * A word is read from the chip, but, only the lower byte is valid.
1999  *
2000  * Returns the byte read from flash @addr.
2001  */
2002 static uint8_t
2003 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
2004 {
2005 	uint16_t data;
2006 	uint16_t bank_select;
2007 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2008 
2009 	bank_select = RD_REG_WORD(&reg->ctrl_status);
2010 
2011 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2012 		/* Specify 64K address range: */
2013 		/*  clear out Module Select and Flash Address bits [19:16]. */
2014 		bank_select &= ~0xf8;
2015 		bank_select |= addr >> 12 & 0xf0;
2016 		bank_select |= CSR_FLASH_64K_BANK;
2017 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2018 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2019 
2020 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2021 		data = RD_REG_WORD(&reg->flash_data);
2022 
2023 		return (uint8_t)data;
2024 	}
2025 
2026 	/* Setup bit 16 of flash address. */
2027 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2028 		bank_select |= CSR_FLASH_64K_BANK;
2029 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2030 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2031 	} else if (((addr & BIT_16) == 0) &&
2032 	    (bank_select & CSR_FLASH_64K_BANK)) {
2033 		bank_select &= ~(CSR_FLASH_64K_BANK);
2034 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2035 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2036 	}
2037 
2038 	/* Always perform IO mapped accesses to the FLASH registers. */
2039 	if (ha->pio_address) {
2040 		uint16_t data2;
2041 
2042 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2043 		do {
2044 			data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2045 			barrier();
2046 			cpu_relax();
2047 			data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2048 		} while (data != data2);
2049 	} else {
2050 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2051 		data = qla2x00_debounce_register(&reg->flash_data);
2052 	}
2053 
2054 	return (uint8_t)data;
2055 }
2056 
2057 /**
2058  * qla2x00_write_flash_byte() - Write a byte to flash
2059  * @ha: HA context
2060  * @addr: Address in flash to write
2061  * @data: Data to write
2062  */
2063 static void
2064 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2065 {
2066 	uint16_t bank_select;
2067 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2068 
2069 	bank_select = RD_REG_WORD(&reg->ctrl_status);
2070 	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2071 		/* Specify 64K address range: */
2072 		/*  clear out Module Select and Flash Address bits [19:16]. */
2073 		bank_select &= ~0xf8;
2074 		bank_select |= addr >> 12 & 0xf0;
2075 		bank_select |= CSR_FLASH_64K_BANK;
2076 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2077 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2078 
2079 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2080 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2081 		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2082 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2083 
2084 		return;
2085 	}
2086 
2087 	/* Setup bit 16 of flash address. */
2088 	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2089 		bank_select |= CSR_FLASH_64K_BANK;
2090 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2091 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2092 	} else if (((addr & BIT_16) == 0) &&
2093 	    (bank_select & CSR_FLASH_64K_BANK)) {
2094 		bank_select &= ~(CSR_FLASH_64K_BANK);
2095 		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2096 		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2097 	}
2098 
2099 	/* Always perform IO mapped accesses to the FLASH registers. */
2100 	if (ha->pio_address) {
2101 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2102 		WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2103 	} else {
2104 		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2105 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2106 		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2107 		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2108 	}
2109 }
2110 
2111 /**
2112  * qla2x00_poll_flash() - Polls flash for completion.
2113  * @ha: HA context
2114  * @addr: Address in flash to poll
2115  * @poll_data: Data to be polled
2116  * @man_id: Flash manufacturer ID
2117  * @flash_id: Flash ID
2118  *
2119  * This function polls the device until bit 7 of what is read matches data
2120  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2121  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2122  * reading bit 5 as a 1.
2123  *
2124  * Returns 0 on success, else non-zero.
2125  */
2126 static int
2127 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2128     uint8_t man_id, uint8_t flash_id)
2129 {
2130 	int status;
2131 	uint8_t flash_data;
2132 	uint32_t cnt;
2133 
2134 	status = 1;
2135 
2136 	/* Wait for 30 seconds for command to finish. */
2137 	poll_data &= BIT_7;
2138 	for (cnt = 3000000; cnt; cnt--) {
2139 		flash_data = qla2x00_read_flash_byte(ha, addr);
2140 		if ((flash_data & BIT_7) == poll_data) {
2141 			status = 0;
2142 			break;
2143 		}
2144 
2145 		if (man_id != 0x40 && man_id != 0xda) {
2146 			if ((flash_data & BIT_5) && cnt > 2)
2147 				cnt = 2;
2148 		}
2149 		udelay(10);
2150 		barrier();
2151 		cond_resched();
2152 	}
2153 	return status;
2154 }
2155 
2156 /**
2157  * qla2x00_program_flash_address() - Programs a flash address
2158  * @ha: HA context
2159  * @addr: Address in flash to program
2160  * @data: Data to be written in flash
2161  * @man_id: Flash manufacturer ID
2162  * @flash_id: Flash ID
2163  *
2164  * Returns 0 on success, else non-zero.
2165  */
2166 static int
2167 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2168     uint8_t data, uint8_t man_id, uint8_t flash_id)
2169 {
2170 	/* Write Program Command Sequence. */
2171 	if (IS_OEM_001(ha)) {
2172 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2173 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2174 		qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2175 		qla2x00_write_flash_byte(ha, addr, data);
2176 	} else {
2177 		if (man_id == 0xda && flash_id == 0xc1) {
2178 			qla2x00_write_flash_byte(ha, addr, data);
2179 			if (addr & 0x7e)
2180 				return 0;
2181 		} else {
2182 			qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2183 			qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2184 			qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2185 			qla2x00_write_flash_byte(ha, addr, data);
2186 		}
2187 	}
2188 
2189 	udelay(150);
2190 
2191 	/* Wait for write to complete. */
2192 	return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2193 }
2194 
2195 /**
2196  * qla2x00_erase_flash() - Erase the flash.
2197  * @ha: HA context
2198  * @man_id: Flash manufacturer ID
2199  * @flash_id: Flash ID
2200  *
2201  * Returns 0 on success, else non-zero.
2202  */
2203 static int
2204 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2205 {
2206 	/* Individual Sector Erase Command Sequence */
2207 	if (IS_OEM_001(ha)) {
2208 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2209 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2210 		qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2211 		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2212 		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2213 		qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2214 	} else {
2215 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2216 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2217 		qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2218 		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2219 		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2220 		qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2221 	}
2222 
2223 	udelay(150);
2224 
2225 	/* Wait for erase to complete. */
2226 	return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2227 }
2228 
2229 /**
2230  * qla2x00_erase_flash_sector() - Erase a flash sector.
2231  * @ha: HA context
2232  * @addr: Flash sector to erase
2233  * @sec_mask: Sector address mask
2234  * @man_id: Flash manufacturer ID
2235  * @flash_id: Flash ID
2236  *
2237  * Returns 0 on success, else non-zero.
2238  */
2239 static int
2240 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2241     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2242 {
2243 	/* Individual Sector Erase Command Sequence */
2244 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2245 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2246 	qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2247 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2248 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2249 	if (man_id == 0x1f && flash_id == 0x13)
2250 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2251 	else
2252 		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2253 
2254 	udelay(150);
2255 
2256 	/* Wait for erase to complete. */
2257 	return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2258 }
2259 
2260 /**
2261  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2262  * @ha: host adapter
2263  * @man_id: Flash manufacturer ID
2264  * @flash_id: Flash ID
2265  */
2266 static void
2267 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2268     uint8_t *flash_id)
2269 {
2270 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2271 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2272 	qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2273 	*man_id = qla2x00_read_flash_byte(ha, 0x0000);
2274 	*flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2275 	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2276 	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2277 	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2278 }
2279 
2280 static void
2281 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2282 	uint32_t saddr, uint32_t length)
2283 {
2284 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2285 	uint32_t midpoint, ilength;
2286 	uint8_t data;
2287 
2288 	midpoint = length / 2;
2289 
2290 	WRT_REG_WORD(&reg->nvram, 0);
2291 	RD_REG_WORD(&reg->nvram);
2292 	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2293 		if (ilength == midpoint) {
2294 			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2295 			RD_REG_WORD(&reg->nvram);
2296 		}
2297 		data = qla2x00_read_flash_byte(ha, saddr);
2298 		if (saddr % 100)
2299 			udelay(10);
2300 		*tmp_buf = data;
2301 		cond_resched();
2302 	}
2303 }
2304 
2305 static inline void
2306 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2307 {
2308 	int cnt;
2309 	unsigned long flags;
2310 	struct qla_hw_data *ha = vha->hw;
2311 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2312 
2313 	/* Suspend HBA. */
2314 	scsi_block_requests(vha->host);
2315 	ha->isp_ops->disable_intrs(ha);
2316 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2317 
2318 	/* Pause RISC. */
2319 	spin_lock_irqsave(&ha->hardware_lock, flags);
2320 	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2321 	RD_REG_WORD(&reg->hccr);
2322 	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2323 		for (cnt = 0; cnt < 30000; cnt++) {
2324 			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2325 				break;
2326 			udelay(100);
2327 		}
2328 	} else {
2329 		udelay(10);
2330 	}
2331 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2332 }
2333 
2334 static inline void
2335 qla2x00_resume_hba(struct scsi_qla_host *vha)
2336 {
2337 	struct qla_hw_data *ha = vha->hw;
2338 
2339 	/* Resume HBA. */
2340 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2341 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2342 	qla2xxx_wake_dpc(vha);
2343 	qla2x00_wait_for_chip_reset(vha);
2344 	scsi_unblock_requests(vha->host);
2345 }
2346 
2347 void *
2348 qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2349     uint32_t offset, uint32_t length)
2350 {
2351 	uint32_t addr, midpoint;
2352 	uint8_t *data;
2353 	struct qla_hw_data *ha = vha->hw;
2354 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2355 
2356 	/* Suspend HBA. */
2357 	qla2x00_suspend_hba(vha);
2358 
2359 	/* Go with read. */
2360 	midpoint = ha->optrom_size / 2;
2361 
2362 	qla2x00_flash_enable(ha);
2363 	WRT_REG_WORD(&reg->nvram, 0);
2364 	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
2365 	for (addr = offset, data = buf; addr < length; addr++, data++) {
2366 		if (addr == midpoint) {
2367 			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2368 			RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
2369 		}
2370 
2371 		*data = qla2x00_read_flash_byte(ha, addr);
2372 	}
2373 	qla2x00_flash_disable(ha);
2374 
2375 	/* Resume HBA. */
2376 	qla2x00_resume_hba(vha);
2377 
2378 	return buf;
2379 }
2380 
2381 int
2382 qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2383     uint32_t offset, uint32_t length)
2384 {
2385 
2386 	int rval;
2387 	uint8_t man_id, flash_id, sec_number, *data;
2388 	uint16_t wd;
2389 	uint32_t addr, liter, sec_mask, rest_addr;
2390 	struct qla_hw_data *ha = vha->hw;
2391 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2392 
2393 	/* Suspend HBA. */
2394 	qla2x00_suspend_hba(vha);
2395 
2396 	rval = QLA_SUCCESS;
2397 	sec_number = 0;
2398 
2399 	/* Reset ISP chip. */
2400 	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2401 	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2402 
2403 	/* Go with write. */
2404 	qla2x00_flash_enable(ha);
2405 	do {	/* Loop once to provide quick error exit */
2406 		/* Structure of flash memory based on manufacturer */
2407 		if (IS_OEM_001(ha)) {
2408 			/* OEM variant with special flash part. */
2409 			man_id = flash_id = 0;
2410 			rest_addr = 0xffff;
2411 			sec_mask   = 0x10000;
2412 			goto update_flash;
2413 		}
2414 		qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2415 		switch (man_id) {
2416 		case 0x20: /* ST flash. */
2417 			if (flash_id == 0xd2 || flash_id == 0xe3) {
2418 				/*
2419 				 * ST m29w008at part - 64kb sector size with
2420 				 * 32kb,8kb,8kb,16kb sectors at memory address
2421 				 * 0xf0000.
2422 				 */
2423 				rest_addr = 0xffff;
2424 				sec_mask = 0x10000;
2425 				break;
2426 			}
2427 			/*
2428 			 * ST m29w010b part - 16kb sector size
2429 			 * Default to 16kb sectors
2430 			 */
2431 			rest_addr = 0x3fff;
2432 			sec_mask = 0x1c000;
2433 			break;
2434 		case 0x40: /* Mostel flash. */
2435 			/* Mostel v29c51001 part - 512 byte sector size. */
2436 			rest_addr = 0x1ff;
2437 			sec_mask = 0x1fe00;
2438 			break;
2439 		case 0xbf: /* SST flash. */
2440 			/* SST39sf10 part - 4kb sector size. */
2441 			rest_addr = 0xfff;
2442 			sec_mask = 0x1f000;
2443 			break;
2444 		case 0xda: /* Winbond flash. */
2445 			/* Winbond W29EE011 part - 256 byte sector size. */
2446 			rest_addr = 0x7f;
2447 			sec_mask = 0x1ff80;
2448 			break;
2449 		case 0xc2: /* Macronix flash. */
2450 			/* 64k sector size. */
2451 			if (flash_id == 0x38 || flash_id == 0x4f) {
2452 				rest_addr = 0xffff;
2453 				sec_mask = 0x10000;
2454 				break;
2455 			}
2456 			/* Fall through... */
2457 
2458 		case 0x1f: /* Atmel flash. */
2459 			/* 512k sector size. */
2460 			if (flash_id == 0x13) {
2461 				rest_addr = 0x7fffffff;
2462 				sec_mask =   0x80000000;
2463 				break;
2464 			}
2465 			/* Fall through... */
2466 
2467 		case 0x01: /* AMD flash. */
2468 			if (flash_id == 0x38 || flash_id == 0x40 ||
2469 			    flash_id == 0x4f) {
2470 				/* Am29LV081 part - 64kb sector size. */
2471 				/* Am29LV002BT part - 64kb sector size. */
2472 				rest_addr = 0xffff;
2473 				sec_mask = 0x10000;
2474 				break;
2475 			} else if (flash_id == 0x3e) {
2476 				/*
2477 				 * Am29LV008b part - 64kb sector size with
2478 				 * 32kb,8kb,8kb,16kb sector at memory address
2479 				 * h0xf0000.
2480 				 */
2481 				rest_addr = 0xffff;
2482 				sec_mask = 0x10000;
2483 				break;
2484 			} else if (flash_id == 0x20 || flash_id == 0x6e) {
2485 				/*
2486 				 * Am29LV010 part or AM29f010 - 16kb sector
2487 				 * size.
2488 				 */
2489 				rest_addr = 0x3fff;
2490 				sec_mask = 0x1c000;
2491 				break;
2492 			} else if (flash_id == 0x6d) {
2493 				/* Am29LV001 part - 8kb sector size. */
2494 				rest_addr = 0x1fff;
2495 				sec_mask = 0x1e000;
2496 				break;
2497 			}
2498 			/* fall through */
2499 		default:
2500 			/* Default to 16 kb sector size. */
2501 			rest_addr = 0x3fff;
2502 			sec_mask = 0x1c000;
2503 			break;
2504 		}
2505 
2506 update_flash:
2507 		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2508 			if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2509 				rval = QLA_FUNCTION_FAILED;
2510 				break;
2511 			}
2512 		}
2513 
2514 		for (addr = offset, liter = 0; liter < length; liter++,
2515 		    addr++) {
2516 			data = buf + liter;
2517 			/* Are we at the beginning of a sector? */
2518 			if ((addr & rest_addr) == 0) {
2519 				if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2520 					if (addr >= 0x10000UL) {
2521 						if (((addr >> 12) & 0xf0) &&
2522 						    ((man_id == 0x01 &&
2523 							flash_id == 0x3e) ||
2524 						     (man_id == 0x20 &&
2525 							 flash_id == 0xd2))) {
2526 							sec_number++;
2527 							if (sec_number == 1) {
2528 								rest_addr =
2529 								    0x7fff;
2530 								sec_mask =
2531 								    0x18000;
2532 							} else if (
2533 							    sec_number == 2 ||
2534 							    sec_number == 3) {
2535 								rest_addr =
2536 								    0x1fff;
2537 								sec_mask =
2538 								    0x1e000;
2539 							} else if (
2540 							    sec_number == 4) {
2541 								rest_addr =
2542 								    0x3fff;
2543 								sec_mask =
2544 								    0x1c000;
2545 							}
2546 						}
2547 					}
2548 				} else if (addr == ha->optrom_size / 2) {
2549 					WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2550 					RD_REG_WORD(&reg->nvram);
2551 				}
2552 
2553 				if (flash_id == 0xda && man_id == 0xc1) {
2554 					qla2x00_write_flash_byte(ha, 0x5555,
2555 					    0xaa);
2556 					qla2x00_write_flash_byte(ha, 0x2aaa,
2557 					    0x55);
2558 					qla2x00_write_flash_byte(ha, 0x5555,
2559 					    0xa0);
2560 				} else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2561 					/* Then erase it */
2562 					if (qla2x00_erase_flash_sector(ha,
2563 					    addr, sec_mask, man_id,
2564 					    flash_id)) {
2565 						rval = QLA_FUNCTION_FAILED;
2566 						break;
2567 					}
2568 					if (man_id == 0x01 && flash_id == 0x6d)
2569 						sec_number++;
2570 				}
2571 			}
2572 
2573 			if (man_id == 0x01 && flash_id == 0x6d) {
2574 				if (sec_number == 1 &&
2575 				    addr == (rest_addr - 1)) {
2576 					rest_addr = 0x0fff;
2577 					sec_mask   = 0x1f000;
2578 				} else if (sec_number == 3 && (addr & 0x7ffe)) {
2579 					rest_addr = 0x3fff;
2580 					sec_mask   = 0x1c000;
2581 				}
2582 			}
2583 
2584 			if (qla2x00_program_flash_address(ha, addr, *data,
2585 			    man_id, flash_id)) {
2586 				rval = QLA_FUNCTION_FAILED;
2587 				break;
2588 			}
2589 			cond_resched();
2590 		}
2591 	} while (0);
2592 	qla2x00_flash_disable(ha);
2593 
2594 	/* Resume HBA. */
2595 	qla2x00_resume_hba(vha);
2596 
2597 	return rval;
2598 }
2599 
2600 void *
2601 qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2602     uint32_t offset, uint32_t length)
2603 {
2604 	struct qla_hw_data *ha = vha->hw;
2605 
2606 	/* Suspend HBA. */
2607 	scsi_block_requests(vha->host);
2608 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2609 
2610 	/* Go with read. */
2611 	qla24xx_read_flash_data(vha, (void *)buf, offset >> 2, length >> 2);
2612 
2613 	/* Resume HBA. */
2614 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2615 	scsi_unblock_requests(vha->host);
2616 
2617 	return buf;
2618 }
2619 
2620 static int
2621 qla28xx_extract_sfub_and_verify(struct scsi_qla_host *vha, uint32_t *buf,
2622     uint32_t len, uint32_t buf_size_without_sfub, uint8_t *sfub_buf)
2623 {
2624 	uint32_t *p, check_sum = 0;
2625 	int i;
2626 
2627 	p = buf + buf_size_without_sfub;
2628 
2629 	/* Extract SFUB from end of file */
2630 	memcpy(sfub_buf, (uint8_t *)p,
2631 	    sizeof(struct secure_flash_update_block));
2632 
2633 	for (i = 0; i < (sizeof(struct secure_flash_update_block) >> 2); i++)
2634 		check_sum += p[i];
2635 
2636 	check_sum = (~check_sum) + 1;
2637 
2638 	if (check_sum != p[i]) {
2639 		ql_log(ql_log_warn, vha, 0x7097,
2640 		    "SFUB checksum failed, 0x%x, 0x%x\n",
2641 		    check_sum, p[i]);
2642 		return QLA_COMMAND_ERROR;
2643 	}
2644 
2645 	return QLA_SUCCESS;
2646 }
2647 
2648 static int
2649 qla28xx_get_flash_region(struct scsi_qla_host *vha, uint32_t start,
2650     struct qla_flt_region *region)
2651 {
2652 	struct qla_hw_data *ha = vha->hw;
2653 	struct qla_flt_header *flt;
2654 	struct qla_flt_region *flt_reg;
2655 	uint16_t cnt;
2656 	int rval = QLA_FUNCTION_FAILED;
2657 
2658 	if (!ha->flt)
2659 		return QLA_FUNCTION_FAILED;
2660 
2661 	flt = (struct qla_flt_header *)ha->flt;
2662 	flt_reg = (struct qla_flt_region *)&flt[1];
2663 	cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
2664 
2665 	for (; cnt; cnt--, flt_reg++) {
2666 		if (flt_reg->start == start) {
2667 			memcpy((uint8_t *)region, flt_reg,
2668 			    sizeof(struct qla_flt_region));
2669 			rval = QLA_SUCCESS;
2670 			break;
2671 		}
2672 	}
2673 
2674 	return rval;
2675 }
2676 
2677 static int
2678 qla28xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2679     uint32_t dwords)
2680 {
2681 	struct qla_hw_data *ha = vha->hw;
2682 	ulong liter;
2683 	ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
2684 	uint32_t sec_mask, rest_addr, fdata;
2685 	void *optrom = NULL;
2686 	dma_addr_t optrom_dma;
2687 	int rval;
2688 	struct secure_flash_update_block *sfub;
2689 	dma_addr_t sfub_dma;
2690 	uint32_t offset = faddr << 2;
2691 	uint32_t buf_size_without_sfub = 0;
2692 	struct qla_flt_region region;
2693 	bool reset_to_rom = false;
2694 	uint32_t risc_size, risc_attr = 0;
2695 	uint32_t *fw_array = NULL;
2696 
2697 	/* Retrieve region info - must be a start address passed in */
2698 	rval = qla28xx_get_flash_region(vha, offset, &region);
2699 
2700 	if (rval != QLA_SUCCESS) {
2701 		ql_log(ql_log_warn, vha, 0xffff,
2702 		    "Invalid address %x - not a region start address\n",
2703 		    offset);
2704 		goto done;
2705 	}
2706 
2707 	/* Allocate dma buffer for burst write */
2708 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2709 	    &optrom_dma, GFP_KERNEL);
2710 	if (!optrom) {
2711 		ql_log(ql_log_warn, vha, 0x7095,
2712 		    "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
2713 		rval = QLA_COMMAND_ERROR;
2714 		goto done;
2715 	}
2716 
2717 	/*
2718 	 * If adapter supports secure flash and region is secure
2719 	 * extract secure flash update block (SFUB) and verify
2720 	 */
2721 	if (ha->flags.secure_adapter && region.attribute) {
2722 
2723 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2724 		    "Region %x is secure\n", region.code);
2725 
2726 		if (region.code == FLT_REG_FW ||
2727 		    region.code == FLT_REG_FW_SEC_27XX) {
2728 			fw_array = dwptr;
2729 
2730 			/* 1st fw array */
2731 			risc_size = be32_to_cpu(fw_array[3]);
2732 			risc_attr = be32_to_cpu(fw_array[9]);
2733 
2734 			buf_size_without_sfub = risc_size;
2735 			fw_array += risc_size;
2736 
2737 			/* 2nd fw array */
2738 			risc_size = be32_to_cpu(fw_array[3]);
2739 
2740 			buf_size_without_sfub += risc_size;
2741 			fw_array += risc_size;
2742 
2743 			/* 1st dump template */
2744 			risc_size = be32_to_cpu(fw_array[2]);
2745 
2746 			/* skip header and ignore checksum */
2747 			buf_size_without_sfub += risc_size;
2748 			fw_array += risc_size;
2749 
2750 			if (risc_attr & BIT_9) {
2751 				/* 2nd dump template */
2752 				risc_size = be32_to_cpu(fw_array[2]);
2753 
2754 				/* skip header and ignore checksum */
2755 				buf_size_without_sfub += risc_size;
2756 				fw_array += risc_size;
2757 			}
2758 		} else {
2759 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2760 			    "Secure region %x not supported\n",
2761 			    region.code);
2762 			rval = QLA_COMMAND_ERROR;
2763 			goto done;
2764 		}
2765 
2766 		sfub = dma_alloc_coherent(&ha->pdev->dev,
2767 			sizeof(struct secure_flash_update_block), &sfub_dma,
2768 			GFP_KERNEL);
2769 		if (!sfub) {
2770 			ql_log(ql_log_warn, vha, 0xffff,
2771 			    "Unable to allocate memory for SFUB\n");
2772 			rval = QLA_COMMAND_ERROR;
2773 			goto done;
2774 		}
2775 
2776 		rval = qla28xx_extract_sfub_and_verify(vha, dwptr, dwords,
2777 			buf_size_without_sfub, (uint8_t *)sfub);
2778 
2779 		if (rval != QLA_SUCCESS)
2780 			goto done;
2781 
2782 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2783 		    "SFUB extract and verify successful\n");
2784 	}
2785 
2786 	rest_addr = (ha->fdt_block_size >> 2) - 1;
2787 	sec_mask = ~rest_addr;
2788 
2789 	/* Lock semaphore */
2790 	rval = qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_LOCK);
2791 	if (rval != QLA_SUCCESS) {
2792 		ql_log(ql_log_warn, vha, 0xffff,
2793 		    "Unable to lock flash semaphore.");
2794 		goto done;
2795 	}
2796 
2797 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2798 	    "Unprotect flash...\n");
2799 	rval = qla24xx_unprotect_flash(vha);
2800 	if (rval) {
2801 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2802 		ql_log(ql_log_warn, vha, 0x7096, "Failed unprotect flash\n");
2803 		goto done;
2804 	}
2805 
2806 	for (liter = 0; liter < dwords; liter++, faddr++) {
2807 		fdata = (faddr & sec_mask) << 2;
2808 
2809 		/* If start of sector */
2810 		if (!(faddr & rest_addr)) {
2811 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2812 			    "Erase sector %#x...\n", faddr);
2813 			rval = qla24xx_erase_sector(vha, fdata);
2814 			if (rval) {
2815 				ql_dbg(ql_dbg_user, vha, 0x7007,
2816 				    "Failed erase sector %#x\n", faddr);
2817 				goto write_protect;
2818 			}
2819 		}
2820 	}
2821 
2822 	if (ha->flags.secure_adapter) {
2823 		/*
2824 		 * If adapter supports secure flash but FW doesn't,
2825 		 * disable write protect, release semaphore and reset
2826 		 * chip to execute ROM code in order to update region securely
2827 		 */
2828 		if (!ha->flags.secure_fw) {
2829 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2830 			    "Disable Write and Release Semaphore.");
2831 			rval = qla24xx_protect_flash(vha);
2832 			if (rval != QLA_SUCCESS) {
2833 				qla81xx_fac_semaphore_access(vha,
2834 					FAC_SEMAPHORE_UNLOCK);
2835 				ql_log(ql_log_warn, vha, 0xffff,
2836 				    "Unable to protect flash.");
2837 				goto done;
2838 			}
2839 
2840 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2841 			    "Reset chip to ROM.");
2842 			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2843 			set_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags);
2844 			qla2xxx_wake_dpc(vha);
2845 			rval = qla2x00_wait_for_chip_reset(vha);
2846 			if (rval != QLA_SUCCESS) {
2847 				ql_log(ql_log_warn, vha, 0xffff,
2848 				    "Unable to reset to ROM code.");
2849 				goto done;
2850 			}
2851 			reset_to_rom = true;
2852 			ha->flags.fac_supported = 0;
2853 
2854 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2855 			    "Lock Semaphore");
2856 			rval = qla2xxx_write_remote_register(vha,
2857 			    FLASH_SEMAPHORE_REGISTER_ADDR, 0x00020002);
2858 			if (rval != QLA_SUCCESS) {
2859 				ql_log(ql_log_warn, vha, 0xffff,
2860 				    "Unable to lock flash semaphore.");
2861 				goto done;
2862 			}
2863 
2864 			/* Unprotect flash */
2865 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2866 			    "Enable Write.");
2867 			rval = qla2x00_write_ram_word(vha, 0x7ffd0101, 0);
2868 			if (rval) {
2869 				ql_log(ql_log_warn, vha, 0x7096,
2870 				    "Failed unprotect flash\n");
2871 				goto done;
2872 			}
2873 		}
2874 
2875 		/* If region is secure, send Secure Flash MB Cmd */
2876 		if (region.attribute && buf_size_without_sfub) {
2877 			ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2878 			    "Sending Secure Flash MB Cmd\n");
2879 			rval = qla28xx_secure_flash_update(vha, 0, region.code,
2880 				buf_size_without_sfub, sfub_dma,
2881 				sizeof(struct secure_flash_update_block));
2882 			if (rval != QLA_SUCCESS) {
2883 				ql_log(ql_log_warn, vha, 0xffff,
2884 				    "Secure Flash MB Cmd failed %x.", rval);
2885 				goto write_protect;
2886 			}
2887 		}
2888 
2889 	}
2890 
2891 	/* re-init flash offset */
2892 	faddr = offset >> 2;
2893 
2894 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
2895 		fdata = (faddr & sec_mask) << 2;
2896 
2897 		/* If smaller than a burst remaining */
2898 		if (dwords - liter < dburst)
2899 			dburst = dwords - liter;
2900 
2901 		/* Copy to dma buffer */
2902 		memcpy(optrom, dwptr, dburst << 2);
2903 
2904 		/* Burst write */
2905 		ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2906 		    "Write burst (%#lx dwords)...\n", dburst);
2907 		rval = qla2x00_load_ram(vha, optrom_dma,
2908 		    flash_data_addr(ha, faddr), dburst);
2909 		if (rval != QLA_SUCCESS) {
2910 			ql_log(ql_log_warn, vha, 0x7097,
2911 			    "Failed burst write at %x (%p/%#llx)...\n",
2912 			    flash_data_addr(ha, faddr), optrom,
2913 			    (u64)optrom_dma);
2914 			break;
2915 		}
2916 
2917 		liter += dburst - 1;
2918 		faddr += dburst - 1;
2919 		dwptr += dburst - 1;
2920 		continue;
2921 	}
2922 
2923 write_protect:
2924 	ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2925 	    "Protect flash...\n");
2926 	rval = qla24xx_protect_flash(vha);
2927 	if (rval) {
2928 		qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2929 		ql_log(ql_log_warn, vha, 0x7099,
2930 		    "Failed protect flash\n");
2931 	}
2932 
2933 	if (reset_to_rom == true) {
2934 		/* Schedule DPC to restart the RISC */
2935 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2936 		qla2xxx_wake_dpc(vha);
2937 
2938 		rval = qla2x00_wait_for_hba_online(vha);
2939 		if (rval != QLA_SUCCESS)
2940 			ql_log(ql_log_warn, vha, 0xffff,
2941 			    "Adapter did not come out of reset\n");
2942 	}
2943 
2944 done:
2945 	if (optrom)
2946 		dma_free_coherent(&ha->pdev->dev,
2947 		    OPTROM_BURST_SIZE, optrom, optrom_dma);
2948 
2949 	return rval;
2950 }
2951 
2952 int
2953 qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2954     uint32_t offset, uint32_t length)
2955 {
2956 	int rval;
2957 	struct qla_hw_data *ha = vha->hw;
2958 
2959 	/* Suspend HBA. */
2960 	scsi_block_requests(vha->host);
2961 	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2962 
2963 	/* Go with write. */
2964 	if (IS_QLA28XX(ha))
2965 		rval = qla28xx_write_flash_data(vha, (uint32_t *)buf,
2966 		    offset >> 2, length >> 2);
2967 	else
2968 		rval = qla24xx_write_flash_data(vha, (uint32_t *)buf,
2969 		    offset >> 2, length >> 2);
2970 
2971 	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2972 	scsi_unblock_requests(vha->host);
2973 
2974 	return rval;
2975 }
2976 
2977 void *
2978 qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2979     uint32_t offset, uint32_t length)
2980 {
2981 	int rval;
2982 	dma_addr_t optrom_dma;
2983 	void *optrom;
2984 	uint8_t *pbuf;
2985 	uint32_t faddr, left, burst;
2986 	struct qla_hw_data *ha = vha->hw;
2987 
2988 	if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
2989 	    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2990 		goto try_fast;
2991 	if (offset & 0xfff)
2992 		goto slow_read;
2993 	if (length < OPTROM_BURST_SIZE)
2994 		goto slow_read;
2995 
2996 try_fast:
2997 	if (offset & 0xff)
2998 		goto slow_read;
2999 	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3000 	    &optrom_dma, GFP_KERNEL);
3001 	if (!optrom) {
3002 		ql_log(ql_log_warn, vha, 0x00cc,
3003 		    "Unable to allocate memory for optrom burst read (%x KB).\n",
3004 		    OPTROM_BURST_SIZE / 1024);
3005 		goto slow_read;
3006 	}
3007 
3008 	pbuf = buf;
3009 	faddr = offset >> 2;
3010 	left = length >> 2;
3011 	burst = OPTROM_BURST_DWORDS;
3012 	while (left != 0) {
3013 		if (burst > left)
3014 			burst = left;
3015 
3016 		rval = qla2x00_dump_ram(vha, optrom_dma,
3017 		    flash_data_addr(ha, faddr), burst);
3018 		if (rval) {
3019 			ql_log(ql_log_warn, vha, 0x00f5,
3020 			    "Unable to burst-read optrom segment (%x/%x/%llx).\n",
3021 			    rval, flash_data_addr(ha, faddr),
3022 			    (unsigned long long)optrom_dma);
3023 			ql_log(ql_log_warn, vha, 0x00f6,
3024 			    "Reverting to slow-read.\n");
3025 
3026 			dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3027 			    optrom, optrom_dma);
3028 			goto slow_read;
3029 		}
3030 
3031 		memcpy(pbuf, optrom, burst * 4);
3032 
3033 		left -= burst;
3034 		faddr += burst;
3035 		pbuf += burst * 4;
3036 	}
3037 
3038 	dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
3039 	    optrom_dma);
3040 
3041 	return buf;
3042 
3043 slow_read:
3044     return qla24xx_read_optrom_data(vha, buf, offset, length);
3045 }
3046 
3047 /**
3048  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
3049  * @ha: HA context
3050  * @pcids: Pointer to the FCODE PCI data structure
3051  *
3052  * The process of retrieving the FCODE version information is at best
3053  * described as interesting.
3054  *
3055  * Within the first 100h bytes of the image an ASCII string is present
3056  * which contains several pieces of information including the FCODE
3057  * version.  Unfortunately it seems the only reliable way to retrieve
3058  * the version is by scanning for another sentinel within the string,
3059  * the FCODE build date:
3060  *
3061  *	... 2.00.02 10/17/02 ...
3062  *
3063  * Returns QLA_SUCCESS on successful retrieval of version.
3064  */
3065 static void
3066 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
3067 {
3068 	int ret = QLA_FUNCTION_FAILED;
3069 	uint32_t istart, iend, iter, vend;
3070 	uint8_t do_next, rbyte, *vbyte;
3071 
3072 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3073 
3074 	/* Skip the PCI data structure. */
3075 	istart = pcids +
3076 	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
3077 		qla2x00_read_flash_byte(ha, pcids + 0x0A));
3078 	iend = istart + 0x100;
3079 	do {
3080 		/* Scan for the sentinel date string...eeewww. */
3081 		do_next = 0;
3082 		iter = istart;
3083 		while ((iter < iend) && !do_next) {
3084 			iter++;
3085 			if (qla2x00_read_flash_byte(ha, iter) == '/') {
3086 				if (qla2x00_read_flash_byte(ha, iter + 2) ==
3087 				    '/')
3088 					do_next++;
3089 				else if (qla2x00_read_flash_byte(ha,
3090 				    iter + 3) == '/')
3091 					do_next++;
3092 			}
3093 		}
3094 		if (!do_next)
3095 			break;
3096 
3097 		/* Backtrack to previous ' ' (space). */
3098 		do_next = 0;
3099 		while ((iter > istart) && !do_next) {
3100 			iter--;
3101 			if (qla2x00_read_flash_byte(ha, iter) == ' ')
3102 				do_next++;
3103 		}
3104 		if (!do_next)
3105 			break;
3106 
3107 		/*
3108 		 * Mark end of version tag, and find previous ' ' (space) or
3109 		 * string length (recent FCODE images -- major hack ahead!!!).
3110 		 */
3111 		vend = iter - 1;
3112 		do_next = 0;
3113 		while ((iter > istart) && !do_next) {
3114 			iter--;
3115 			rbyte = qla2x00_read_flash_byte(ha, iter);
3116 			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
3117 				do_next++;
3118 		}
3119 		if (!do_next)
3120 			break;
3121 
3122 		/* Mark beginning of version tag, and copy data. */
3123 		iter++;
3124 		if ((vend - iter) &&
3125 		    ((vend - iter) < sizeof(ha->fcode_revision))) {
3126 			vbyte = ha->fcode_revision;
3127 			while (iter <= vend) {
3128 				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
3129 				iter++;
3130 			}
3131 			ret = QLA_SUCCESS;
3132 		}
3133 	} while (0);
3134 
3135 	if (ret != QLA_SUCCESS)
3136 		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3137 }
3138 
3139 int
3140 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3141 {
3142 	int ret = QLA_SUCCESS;
3143 	uint8_t code_type, last_image;
3144 	uint32_t pcihdr, pcids;
3145 	uint8_t *dbyte;
3146 	uint16_t *dcode;
3147 	struct qla_hw_data *ha = vha->hw;
3148 
3149 	if (!ha->pio_address || !mbuf)
3150 		return QLA_FUNCTION_FAILED;
3151 
3152 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3153 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3154 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3155 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3156 
3157 	qla2x00_flash_enable(ha);
3158 
3159 	/* Begin with first PCI expansion ROM header. */
3160 	pcihdr = 0;
3161 	last_image = 1;
3162 	do {
3163 		/* Verify PCI expansion ROM header. */
3164 		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
3165 		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
3166 			/* No signature */
3167 			ql_log(ql_log_fatal, vha, 0x0050,
3168 			    "No matching ROM signature.\n");
3169 			ret = QLA_FUNCTION_FAILED;
3170 			break;
3171 		}
3172 
3173 		/* Locate PCI data structure. */
3174 		pcids = pcihdr +
3175 		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
3176 			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
3177 
3178 		/* Validate signature of PCI data structure. */
3179 		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
3180 		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
3181 		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
3182 		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
3183 			/* Incorrect header. */
3184 			ql_log(ql_log_fatal, vha, 0x0051,
3185 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3186 			ret = QLA_FUNCTION_FAILED;
3187 			break;
3188 		}
3189 
3190 		/* Read version */
3191 		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
3192 		switch (code_type) {
3193 		case ROM_CODE_TYPE_BIOS:
3194 			/* Intel x86, PC-AT compatible. */
3195 			ha->bios_revision[0] =
3196 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3197 			ha->bios_revision[1] =
3198 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3199 			ql_dbg(ql_dbg_init, vha, 0x0052,
3200 			    "Read BIOS %d.%d.\n",
3201 			    ha->bios_revision[1], ha->bios_revision[0]);
3202 			break;
3203 		case ROM_CODE_TYPE_FCODE:
3204 			/* Open Firmware standard for PCI (FCode). */
3205 			/* Eeeewww... */
3206 			qla2x00_get_fcode_version(ha, pcids);
3207 			break;
3208 		case ROM_CODE_TYPE_EFI:
3209 			/* Extensible Firmware Interface (EFI). */
3210 			ha->efi_revision[0] =
3211 			    qla2x00_read_flash_byte(ha, pcids + 0x12);
3212 			ha->efi_revision[1] =
3213 			    qla2x00_read_flash_byte(ha, pcids + 0x13);
3214 			ql_dbg(ql_dbg_init, vha, 0x0053,
3215 			    "Read EFI %d.%d.\n",
3216 			    ha->efi_revision[1], ha->efi_revision[0]);
3217 			break;
3218 		default:
3219 			ql_log(ql_log_warn, vha, 0x0054,
3220 			    "Unrecognized code type %x at pcids %x.\n",
3221 			    code_type, pcids);
3222 			break;
3223 		}
3224 
3225 		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
3226 
3227 		/* Locate next PCI expansion ROM. */
3228 		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
3229 		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
3230 	} while (!last_image);
3231 
3232 	if (IS_QLA2322(ha)) {
3233 		/* Read firmware image information. */
3234 		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3235 		dbyte = mbuf;
3236 		memset(dbyte, 0, 8);
3237 		dcode = (uint16_t *)dbyte;
3238 
3239 		qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
3240 		    8);
3241 		ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
3242 		    "Dumping fw "
3243 		    "ver from flash:.\n");
3244 		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
3245 		    dbyte, 32);
3246 
3247 		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
3248 		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
3249 		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3250 		    dcode[3] == 0)) {
3251 			ql_log(ql_log_warn, vha, 0x0057,
3252 			    "Unrecognized fw revision at %x.\n",
3253 			    ha->flt_region_fw * 4);
3254 		} else {
3255 			/* values are in big endian */
3256 			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
3257 			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
3258 			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
3259 			ql_dbg(ql_dbg_init, vha, 0x0058,
3260 			    "FW Version: "
3261 			    "%d.%d.%d.\n", ha->fw_revision[0],
3262 			    ha->fw_revision[1], ha->fw_revision[2]);
3263 		}
3264 	}
3265 
3266 	qla2x00_flash_disable(ha);
3267 
3268 	return ret;
3269 }
3270 
3271 int
3272 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3273 {
3274 	int ret = QLA_SUCCESS;
3275 	uint32_t pcihdr, pcids;
3276 	uint32_t *dcode = mbuf;
3277 	uint8_t *bcode = mbuf;
3278 	uint8_t code_type, last_image;
3279 	struct qla_hw_data *ha = vha->hw;
3280 
3281 	if (!mbuf)
3282 		return QLA_FUNCTION_FAILED;
3283 
3284 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3285 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3286 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3287 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3288 
3289 	/* Begin with first PCI expansion ROM header. */
3290 	pcihdr = ha->flt_region_boot << 2;
3291 	last_image = 1;
3292 	do {
3293 		/* Verify PCI expansion ROM header. */
3294 		ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
3295 		bcode = mbuf + (pcihdr % 4);
3296 		if (memcmp(bcode, "\x55\xaa", 2)) {
3297 			/* No signature */
3298 			ql_log(ql_log_fatal, vha, 0x0154,
3299 			    "No matching ROM signature.\n");
3300 			ret = QLA_FUNCTION_FAILED;
3301 			break;
3302 		}
3303 
3304 		/* Locate PCI data structure. */
3305 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3306 
3307 		ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
3308 		bcode = mbuf + (pcihdr % 4);
3309 
3310 		/* Validate signature of PCI data structure. */
3311 		if (memcmp(bcode, "PCIR", 4)) {
3312 			/* Incorrect header. */
3313 			ql_log(ql_log_fatal, vha, 0x0155,
3314 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3315 			ret = QLA_FUNCTION_FAILED;
3316 			break;
3317 		}
3318 
3319 		/* Read version */
3320 		code_type = bcode[0x14];
3321 		switch (code_type) {
3322 		case ROM_CODE_TYPE_BIOS:
3323 			/* Intel x86, PC-AT compatible. */
3324 			ha->bios_revision[0] = bcode[0x12];
3325 			ha->bios_revision[1] = bcode[0x13];
3326 			ql_dbg(ql_dbg_init, vha, 0x0156,
3327 			    "Read BIOS %d.%d.\n",
3328 			    ha->bios_revision[1], ha->bios_revision[0]);
3329 			break;
3330 		case ROM_CODE_TYPE_FCODE:
3331 			/* Open Firmware standard for PCI (FCode). */
3332 			ha->fcode_revision[0] = bcode[0x12];
3333 			ha->fcode_revision[1] = bcode[0x13];
3334 			ql_dbg(ql_dbg_init, vha, 0x0157,
3335 			    "Read FCODE %d.%d.\n",
3336 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3337 			break;
3338 		case ROM_CODE_TYPE_EFI:
3339 			/* Extensible Firmware Interface (EFI). */
3340 			ha->efi_revision[0] = bcode[0x12];
3341 			ha->efi_revision[1] = bcode[0x13];
3342 			ql_dbg(ql_dbg_init, vha, 0x0158,
3343 			    "Read EFI %d.%d.\n",
3344 			    ha->efi_revision[1], ha->efi_revision[0]);
3345 			break;
3346 		default:
3347 			ql_log(ql_log_warn, vha, 0x0159,
3348 			    "Unrecognized code type %x at pcids %x.\n",
3349 			    code_type, pcids);
3350 			break;
3351 		}
3352 
3353 		last_image = bcode[0x15] & BIT_7;
3354 
3355 		/* Locate next PCI expansion ROM. */
3356 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3357 	} while (!last_image);
3358 
3359 	/* Read firmware image information. */
3360 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3361 	dcode = mbuf;
3362 	ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
3363 	bcode = mbuf + (pcihdr % 4);
3364 
3365 	/* Validate signature of PCI data structure. */
3366 	if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3367 	    bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3368 		ha->fw_revision[0] = bcode[0x4];
3369 		ha->fw_revision[1] = bcode[0x5];
3370 		ha->fw_revision[2] = bcode[0x6];
3371 		ql_dbg(ql_dbg_init, vha, 0x0153,
3372 		    "Firmware revision %d.%d.%d\n",
3373 		    ha->fw_revision[0], ha->fw_revision[1],
3374 		    ha->fw_revision[2]);
3375 	}
3376 
3377 	return ret;
3378 }
3379 
3380 int
3381 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3382 {
3383 	int ret = QLA_SUCCESS;
3384 	uint32_t pcihdr = 0, pcids = 0;
3385 	uint32_t *dcode = mbuf;
3386 	uint8_t *bcode = mbuf;
3387 	uint8_t code_type, last_image;
3388 	int i;
3389 	struct qla_hw_data *ha = vha->hw;
3390 	uint32_t faddr = 0;
3391 	struct active_regions active_regions = { };
3392 
3393 	if (IS_P3P_TYPE(ha))
3394 		return ret;
3395 
3396 	if (!mbuf)
3397 		return QLA_FUNCTION_FAILED;
3398 
3399 	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3400 	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3401 	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3402 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3403 
3404 	pcihdr = ha->flt_region_boot << 2;
3405 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3406 		qla27xx_get_active_image(vha, &active_regions);
3407 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE) {
3408 			pcihdr = ha->flt_region_boot_sec << 2;
3409 		}
3410 	}
3411 
3412 	do {
3413 		/* Verify PCI expansion ROM header. */
3414 		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3415 		bcode = mbuf + (pcihdr % 4);
3416 		if (memcmp(bcode, "\x55\xaa", 2)) {
3417 			/* No signature */
3418 			ql_log(ql_log_fatal, vha, 0x0059,
3419 			    "No matching ROM signature.\n");
3420 			ret = QLA_FUNCTION_FAILED;
3421 			break;
3422 		}
3423 
3424 		/* Locate PCI data structure. */
3425 		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3426 
3427 		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3428 		bcode = mbuf + (pcihdr % 4);
3429 
3430 		/* Validate signature of PCI data structure. */
3431 		if (memcmp(bcode, "PCIR", 4)) {
3432 			/* Incorrect header. */
3433 			ql_log(ql_log_fatal, vha, 0x005a,
3434 			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3435 			ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
3436 			ret = QLA_FUNCTION_FAILED;
3437 			break;
3438 		}
3439 
3440 		/* Read version */
3441 		code_type = bcode[0x14];
3442 		switch (code_type) {
3443 		case ROM_CODE_TYPE_BIOS:
3444 			/* Intel x86, PC-AT compatible. */
3445 			ha->bios_revision[0] = bcode[0x12];
3446 			ha->bios_revision[1] = bcode[0x13];
3447 			ql_dbg(ql_dbg_init, vha, 0x005b,
3448 			    "Read BIOS %d.%d.\n",
3449 			    ha->bios_revision[1], ha->bios_revision[0]);
3450 			break;
3451 		case ROM_CODE_TYPE_FCODE:
3452 			/* Open Firmware standard for PCI (FCode). */
3453 			ha->fcode_revision[0] = bcode[0x12];
3454 			ha->fcode_revision[1] = bcode[0x13];
3455 			ql_dbg(ql_dbg_init, vha, 0x005c,
3456 			    "Read FCODE %d.%d.\n",
3457 			    ha->fcode_revision[1], ha->fcode_revision[0]);
3458 			break;
3459 		case ROM_CODE_TYPE_EFI:
3460 			/* Extensible Firmware Interface (EFI). */
3461 			ha->efi_revision[0] = bcode[0x12];
3462 			ha->efi_revision[1] = bcode[0x13];
3463 			ql_dbg(ql_dbg_init, vha, 0x005d,
3464 			    "Read EFI %d.%d.\n",
3465 			    ha->efi_revision[1], ha->efi_revision[0]);
3466 			break;
3467 		default:
3468 			ql_log(ql_log_warn, vha, 0x005e,
3469 			    "Unrecognized code type %x at pcids %x.\n",
3470 			    code_type, pcids);
3471 			break;
3472 		}
3473 
3474 		last_image = bcode[0x15] & BIT_7;
3475 
3476 		/* Locate next PCI expansion ROM. */
3477 		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3478 	} while (!last_image);
3479 
3480 	/* Read firmware image information. */
3481 	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3482 	faddr = ha->flt_region_fw;
3483 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3484 		qla27xx_get_active_image(vha, &active_regions);
3485 		if (active_regions.global == QLA27XX_SECONDARY_IMAGE)
3486 			faddr = ha->flt_region_fw_sec;
3487 	}
3488 
3489 	qla24xx_read_flash_data(vha, dcode, faddr, 8);
3490 	if (qla24xx_risc_firmware_invalid(dcode)) {
3491 		ql_log(ql_log_warn, vha, 0x005f,
3492 		    "Unrecognized fw revision at %x.\n",
3493 		    ha->flt_region_fw * 4);
3494 		ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
3495 	} else {
3496 		for (i = 0; i < 4; i++)
3497 			ha->fw_revision[i] = be32_to_cpu(dcode[4+i]);
3498 		ql_dbg(ql_dbg_init, vha, 0x0060,
3499 		    "Firmware revision (flash) %u.%u.%u (%x).\n",
3500 		    ha->fw_revision[0], ha->fw_revision[1],
3501 		    ha->fw_revision[2], ha->fw_revision[3]);
3502 	}
3503 
3504 	/* Check for golden firmware and get version if available */
3505 	if (!IS_QLA81XX(ha)) {
3506 		/* Golden firmware is not present in non 81XX adapters */
3507 		return ret;
3508 	}
3509 
3510 	memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3511 	faddr = ha->flt_region_gold_fw;
3512 	qla24xx_read_flash_data(vha, (void *)dcode, ha->flt_region_gold_fw, 8);
3513 	if (qla24xx_risc_firmware_invalid(dcode)) {
3514 		ql_log(ql_log_warn, vha, 0x0056,
3515 		    "Unrecognized golden fw at %#x.\n", faddr);
3516 		ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
3517 		return ret;
3518 	}
3519 
3520 	for (i = 0; i < 4; i++)
3521 		ha->gold_fw_version[i] = be32_to_cpu(dcode[4+i]);
3522 
3523 	return ret;
3524 }
3525 
3526 static int
3527 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3528 {
3529 	if (pos >= end || *pos != 0x82)
3530 		return 0;
3531 
3532 	pos += 3 + pos[1];
3533 	if (pos >= end || *pos != 0x90)
3534 		return 0;
3535 
3536 	pos += 3 + pos[1];
3537 	if (pos >= end || *pos != 0x78)
3538 		return 0;
3539 
3540 	return 1;
3541 }
3542 
3543 int
3544 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3545 {
3546 	struct qla_hw_data *ha = vha->hw;
3547 	uint8_t *pos = ha->vpd;
3548 	uint8_t *end = pos + ha->vpd_size;
3549 	int len = 0;
3550 
3551 	if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3552 		return 0;
3553 
3554 	while (pos < end && *pos != 0x78) {
3555 		len = (*pos == 0x82) ? pos[1] : pos[2];
3556 
3557 		if (!strncmp(pos, key, strlen(key)))
3558 			break;
3559 
3560 		if (*pos != 0x90 && *pos != 0x91)
3561 			pos += len;
3562 
3563 		pos += 3;
3564 	}
3565 
3566 	if (pos < end - len && *pos != 0x78)
3567 		return scnprintf(str, size, "%.*s", len, pos + 3);
3568 
3569 	return 0;
3570 }
3571 
3572 int
3573 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3574 {
3575 	int len, max_len;
3576 	uint32_t fcp_prio_addr;
3577 	struct qla_hw_data *ha = vha->hw;
3578 
3579 	if (!ha->fcp_prio_cfg) {
3580 		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3581 		if (!ha->fcp_prio_cfg) {
3582 			ql_log(ql_log_warn, vha, 0x00d5,
3583 			    "Unable to allocate memory for fcp priority data (%x).\n",
3584 			    FCP_PRIO_CFG_SIZE);
3585 			return QLA_FUNCTION_FAILED;
3586 		}
3587 	}
3588 	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3589 
3590 	fcp_prio_addr = ha->flt_region_fcp_prio;
3591 
3592 	/* first read the fcp priority data header from flash */
3593 	ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
3594 			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3595 
3596 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3597 		goto fail;
3598 
3599 	/* read remaining FCP CMD config data from flash */
3600 	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3601 	len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
3602 	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3603 
3604 	ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
3605 			fcp_prio_addr << 2, (len < max_len ? len : max_len));
3606 
3607 	/* revalidate the entire FCP priority config data, including entries */
3608 	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3609 		goto fail;
3610 
3611 	ha->flags.fcp_prio_enabled = 1;
3612 	return QLA_SUCCESS;
3613 fail:
3614 	vfree(ha->fcp_prio_cfg);
3615 	ha->fcp_prio_cfg = NULL;
3616 	return QLA_FUNCTION_FAILED;
3617 }
3618