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