1	// SPDX-License-Identifier: GPL-2.0-only
2	/*
3	* QLogic Fibre Channel HBA Driver
4	* Copyright (c) 2003-2014 QLogic Corporation
5	*/
6
7	#include <linux/vmalloc.h>
8	#include <linux/delay.h>
9
10	#include "qla_def.h"
11	#include "qla_gbl.h"
12
13	#define TIMEOUT_100_MS 100
14
15	static const uint32_t qla8044_reg_tbl[] = {
16	QLA8044_PEG_HALT_STATUS1,
17	QLA8044_PEG_HALT_STATUS2,
18	QLA8044_PEG_ALIVE_COUNTER,
19	QLA8044_CRB_DRV_ACTIVE,
20	QLA8044_CRB_DEV_STATE,
21	QLA8044_CRB_DRV_STATE,
22	QLA8044_CRB_DRV_SCRATCH,
23	QLA8044_CRB_DEV_PART_INFO1,
24	QLA8044_CRB_IDC_VER_MAJOR,
25	QLA8044_FW_VER_MAJOR,
26	QLA8044_FW_VER_MINOR,
27	QLA8044_FW_VER_SUB,
28	QLA8044_CMDPEG_STATE,
29	QLA8044_ASIC_TEMP,
30	};
31
32	/* 8044 Flash Read/Write functions */
33	uint32_t
34	qla8044_rd_reg(struct qla_hw_data *ha, ulong addr)
35	{
36	return readl(addr: (void __iomem *) (ha->nx_pcibase + addr));
37	}
38
39	void
40	qla8044_wr_reg(struct qla_hw_data *ha, ulong addr, uint32_t val)
41	{
42	writel(val, addr: (void __iomem *)((ha)->nx_pcibase + addr));
43	}
44
45	int
46	qla8044_rd_direct(struct scsi_qla_host *vha,
47	const uint32_t crb_reg)
48	{
49	struct qla_hw_data *ha = vha->hw;
50
51	if (crb_reg < CRB_REG_INDEX_MAX)
52	return qla8044_rd_reg(ha, addr: qla8044_reg_tbl[crb_reg]);
53	else
54	return QLA_FUNCTION_FAILED;
55	}
56
57	void
58	qla8044_wr_direct(struct scsi_qla_host *vha,
59	const uint32_t crb_reg,
60	const uint32_t value)
61	{
62	struct qla_hw_data *ha = vha->hw;
63
64	if (crb_reg < CRB_REG_INDEX_MAX)
65	qla8044_wr_reg(ha, addr: qla8044_reg_tbl[crb_reg], val: value);
66	}
67
68	static int
69	qla8044_set_win_base(scsi_qla_host_t *vha, uint32_t addr)
70	{
71	uint32_t val;
72	int ret_val = QLA_SUCCESS;
73	struct qla_hw_data *ha = vha->hw;
74
75	qla8044_wr_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum), val: addr);
76	val = qla8044_rd_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum));
77
78	if (val != addr) {
79	ql_log(ql_log_warn, vha, 0xb087,
80	fmt: "%s: Failed to set register window : "
81	"addr written 0x%x, read 0x%x!\n",
82	__func__, addr, val);
83	ret_val = QLA_FUNCTION_FAILED;
84	}
85	return ret_val;
86	}
87
88	static int
89	qla8044_rd_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t *data)
90	{
91	int ret_val = QLA_SUCCESS;
92	struct qla_hw_data *ha = vha->hw;
93
94	ret_val = qla8044_set_win_base(vha, addr);
95	if (!ret_val)
96	*data = qla8044_rd_reg(ha, QLA8044_WILDCARD);
97	else
98	ql_log(ql_log_warn, vha, 0xb088,
99	fmt: "%s: failed read of addr 0x%x!\n", __func__, addr);
100	return ret_val;
101	}
102
103	static int
104	qla8044_wr_reg_indirect(scsi_qla_host_t *vha, uint32_t addr, uint32_t data)
105	{
106	int ret_val = QLA_SUCCESS;
107	struct qla_hw_data *ha = vha->hw;
108
109	ret_val = qla8044_set_win_base(vha, addr);
110	if (!ret_val)
111	qla8044_wr_reg(ha, QLA8044_WILDCARD, val: data);
112	else
113	ql_log(ql_log_warn, vha, 0xb089,
114	fmt: "%s: failed wrt to addr 0x%x, data 0x%x\n",
115	__func__, addr, data);
116	return ret_val;
117	}
118
119	/*
120	* qla8044_read_write_crb_reg - Read from raddr and write value to waddr.
121	*
122	* @ha : Pointer to adapter structure
123	* @raddr : CRB address to read from
124	* @waddr : CRB address to write to
125	*
126	*/
127	static void
128	qla8044_read_write_crb_reg(struct scsi_qla_host *vha,
129	uint32_t raddr, uint32_t waddr)
130	{
131	uint32_t value;
132
133	qla8044_rd_reg_indirect(vha, addr: raddr, data: &value);
134	qla8044_wr_reg_indirect(vha, addr: waddr, data: value);
135	}
136
137	static int
138	qla8044_poll_wait_for_ready(struct scsi_qla_host *vha, uint32_t addr1,
139	uint32_t mask)
140	{
141	unsigned long timeout;
142	uint32_t temp = 0;
143
144	/* jiffies after 100ms */
145	timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS);
146	do {
147	qla8044_rd_reg_indirect(vha, addr: addr1, data: &temp);
148	if ((temp & mask) != 0)
149	break;
150	if (time_after_eq(jiffies, timeout)) {
151	ql_log(ql_log_warn, vha, 0xb151,
152	fmt: "Error in processing rdmdio entry\n");
153	return -1;
154	}
155	} while (1);
156
157	return 0;
158	}
159
160	static uint32_t
161	qla8044_ipmdio_rd_reg(struct scsi_qla_host *vha,
162	uint32_t addr1, uint32_t addr3, uint32_t mask, uint32_t addr)
163	{
164	uint32_t temp;
165	int ret = 0;
166
167	ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
168	if (ret == -1)
169	return -1;
170
171	temp = (0x40000000 | addr);
172	qla8044_wr_reg_indirect(vha, addr: addr1, data: temp);
173
174	ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
175	if (ret == -1)
176	return 0;
177
178	qla8044_rd_reg_indirect(vha, addr: addr3, data: &ret);
179
180	return ret;
181	}
182
183
184	static int
185	qla8044_poll_wait_ipmdio_bus_idle(struct scsi_qla_host *vha,
186	uint32_t addr1, uint32_t addr2, uint32_t addr3, uint32_t mask)
187	{
188	unsigned long timeout;
189	uint32_t temp;
190
191	/* jiffies after 100 msecs */
192	timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS);
193	do {
194	temp = qla8044_ipmdio_rd_reg(vha, addr1, addr3, mask, addr: addr2);
195	if ((temp & 0x1) != 1)
196	break;
197	if (time_after_eq(jiffies, timeout)) {
198	ql_log(ql_log_warn, vha, 0xb152,
199	fmt: "Error in processing mdiobus idle\n");
200	return -1;
201	}
202	} while (1);
203
204	return 0;
205	}
206
207	static int
208	qla8044_ipmdio_wr_reg(struct scsi_qla_host *vha, uint32_t addr1,
209	uint32_t addr3, uint32_t mask, uint32_t addr, uint32_t value)
210	{
211	int ret = 0;
212
213	ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
214	if (ret == -1)
215	return -1;
216
217	qla8044_wr_reg_indirect(vha, addr: addr3, data: value);
218	qla8044_wr_reg_indirect(vha, addr: addr1, data: addr);
219
220	ret = qla8044_poll_wait_for_ready(vha, addr1, mask);
221	if (ret == -1)
222	return -1;
223
224	return 0;
225	}
226	/*
227	* qla8044_rmw_crb_reg - Read value from raddr, AND with test_mask,
228	* Shift Left,Right/OR/XOR with values RMW header and write value to waddr.
229	*
230	* @vha : Pointer to adapter structure
231	* @raddr : CRB address to read from
232	* @waddr : CRB address to write to
233	* @p_rmw_hdr : header with shift/or/xor values.
234	*
235	*/
236	static void
237	qla8044_rmw_crb_reg(struct scsi_qla_host *vha,
238	uint32_t raddr, uint32_t waddr, struct qla8044_rmw *p_rmw_hdr)
239	{
240	uint32_t value;
241
242	if (p_rmw_hdr->index_a)
243	value = vha->reset_tmplt.array[p_rmw_hdr->index_a];
244	else
245	qla8044_rd_reg_indirect(vha, addr: raddr, data: &value);
246	value &= p_rmw_hdr->test_mask;
247	value <<= p_rmw_hdr->shl;
248	value >>= p_rmw_hdr->shr;
249	value |= p_rmw_hdr->or_value;
250	value ^= p_rmw_hdr->xor_value;
251	qla8044_wr_reg_indirect(vha, addr: waddr, data: value);
252	return;
253	}
254
255	static inline void
256	qla8044_set_qsnt_ready(struct scsi_qla_host *vha)
257	{
258	uint32_t qsnt_state;
259	struct qla_hw_data *ha = vha->hw;
260
261	qsnt_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
262	qsnt_state |= (1 << ha->portnum);
263	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX, value: qsnt_state);
264	ql_log(ql_log_info, vha, 0xb08e, fmt: "%s(%ld): qsnt_state: 0x%08x\n",
265	__func__, vha->host_no, qsnt_state);
266	}
267
268	void
269	qla8044_clear_qsnt_ready(struct scsi_qla_host *vha)
270	{
271	uint32_t qsnt_state;
272	struct qla_hw_data *ha = vha->hw;
273
274	qsnt_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
275	qsnt_state &= ~(1 << ha->portnum);
276	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX, value: qsnt_state);
277	ql_log(ql_log_info, vha, 0xb08f, fmt: "%s(%ld): qsnt_state: 0x%08x\n",
278	__func__, vha->host_no, qsnt_state);
279	}
280
281	/**
282	* qla8044_lock_recovery - Recovers the idc_lock.
283	* @vha : Pointer to adapter structure
284	*
285	* Lock Recovery Register
286	* 5-2 Lock recovery owner: Function ID of driver doing lock recovery,
287	* valid if bits 1..0 are set by driver doing lock recovery.
288	* 1-0 1 - Driver intends to force unlock the IDC lock.
289	* 2 - Driver is moving forward to unlock the IDC lock. Driver clears
290	* this field after force unlocking the IDC lock.
291	*
292	* Lock Recovery process
293	* a. Read the IDC_LOCK_RECOVERY register. If the value in bits 1..0 is
294	* greater than 0, then wait for the other driver to unlock otherwise
295	* move to the next step.
296	* b. Indicate intent to force-unlock by writing 1h to the IDC_LOCK_RECOVERY
297	* register bits 1..0 and also set the function# in bits 5..2.
298	* c. Read the IDC_LOCK_RECOVERY register again after a delay of 200ms.
299	* Wait for the other driver to perform lock recovery if the function
300	* number in bits 5..2 has changed, otherwise move to the next step.
301	* d. Write a value of 2h to the IDC_LOCK_RECOVERY register bits 1..0
302	* leaving your function# in bits 5..2.
303	* e. Force unlock using the DRIVER_UNLOCK register and immediately clear
304	* the IDC_LOCK_RECOVERY bits 5..0 by writing 0.
305	**/
306	static int
307	qla8044_lock_recovery(struct scsi_qla_host *vha)
308	{
309	uint32_t lock = 0, lockid;
310	struct qla_hw_data *ha = vha->hw;
311
312	lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCKRECOVERY);
313
314	/* Check for other Recovery in progress, go wait */
315	if ((lockid & IDC_LOCK_RECOVERY_STATE_MASK) != 0)
316	return QLA_FUNCTION_FAILED;
317
318	/* Intent to Recover */
319	qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY,
320	val: (ha->portnum <<
321	IDC_LOCK_RECOVERY_STATE_SHIFT_BITS) | INTENT_TO_RECOVER);
322	msleep(msecs: 200);
323
324	/* Check Intent to Recover is advertised */
325	lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCKRECOVERY);
326	if ((lockid & IDC_LOCK_RECOVERY_OWNER_MASK) != (ha->portnum <<
327	IDC_LOCK_RECOVERY_STATE_SHIFT_BITS))
328	return QLA_FUNCTION_FAILED;
329
330	ql_dbg(ql_dbg_p3p, vha, 0xb08B, fmt: "%s:%d: IDC Lock recovery initiated\n"
331	, __func__, ha->portnum);
332
333	/* Proceed to Recover */
334	qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY,
335	val: (ha->portnum << IDC_LOCK_RECOVERY_STATE_SHIFT_BITS) |
336	PROCEED_TO_RECOVER);
337
338	/* Force Unlock() */
339	qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, val: 0xFF);
340	qla8044_rd_reg(ha, QLA8044_DRV_UNLOCK);
341
342	/* Clear bits 0-5 in IDC_RECOVERY register*/
343	qla8044_wr_reg(ha, QLA8044_DRV_LOCKRECOVERY, val: 0);
344
345	/* Get lock() */
346	lock = qla8044_rd_reg(ha, QLA8044_DRV_LOCK);
347	if (lock) {
348	lockid = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
349	lockid = ((lockid + (1 << 8)) & ~0xFF) | ha->portnum;
350	qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, val: lockid);
351	return QLA_SUCCESS;
352	} else
353	return QLA_FUNCTION_FAILED;
354	}
355
356	int
357	qla8044_idc_lock(struct qla_hw_data *ha)
358	{
359	uint32_t ret_val = QLA_SUCCESS, timeout = 0, status = 0;
360	uint32_t lock_id, lock_cnt, func_num, tmo_owner = 0, first_owner = 0;
361	scsi_qla_host_t *vha = pci_get_drvdata(pdev: ha->pdev);
362
363	while (status == 0) {
364	/* acquire semaphore5 from PCI HW block */
365	status = qla8044_rd_reg(ha, QLA8044_DRV_LOCK);
366
367	if (status) {
368	/* Increment Counter (8-31) and update func_num (0-7) on
369	* getting a successful lock */
370	lock_id = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
371	lock_id = ((lock_id + (1 << 8)) & ~0xFF) | ha->portnum;
372	qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, val: lock_id);
373	break;
374	}
375
376	if (timeout == 0)
377	first_owner = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
378
379	if (++timeout >=
380	(QLA8044_DRV_LOCK_TIMEOUT / QLA8044_DRV_LOCK_MSLEEP)) {
381	tmo_owner = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
382	func_num = tmo_owner & 0xFF;
383	lock_cnt = tmo_owner >> 8;
384	ql_log(ql_log_warn, vha, 0xb114,
385	fmt: "%s: Lock by func %d failed after 2s, lock held "
386	"by func %d, lock count %d, first_owner %d\n",
387	__func__, ha->portnum, func_num, lock_cnt,
388	(first_owner & 0xFF));
389	if (first_owner != tmo_owner) {
390	/* Some other driver got lock,
391	* OR same driver got lock again (counter
392	* value changed), when we were waiting for
393	* lock. Retry for another 2 sec */
394	ql_dbg(ql_dbg_p3p, vha, 0xb115,
395	fmt: "%s: %d: IDC lock failed\n",
396	__func__, ha->portnum);
397	timeout = 0;
398	} else {
399	/* Same driver holding lock > 2sec.
400	* Force Recovery */
401	if (qla8044_lock_recovery(vha) == QLA_SUCCESS) {
402	/* Recovered and got lock */
403	ret_val = QLA_SUCCESS;
404	ql_dbg(ql_dbg_p3p, vha, 0xb116,
405	fmt: "%s:IDC lock Recovery by %d"
406	"successful...\n", __func__,
407	ha->portnum);
408	}
409	/* Recovery Failed, some other function
410	* has the lock, wait for 2secs
411	* and retry
412	*/
413	ql_dbg(ql_dbg_p3p, vha, 0xb08a,
414	fmt: "%s: IDC lock Recovery by %d "
415	"failed, Retrying timeout\n", __func__,
416	ha->portnum);
417	timeout = 0;
418	}
419	}
420	msleep(QLA8044_DRV_LOCK_MSLEEP);
421	}
422	return ret_val;
423	}
424
425	void
426	qla8044_idc_unlock(struct qla_hw_data *ha)
427	{
428	int id;
429	scsi_qla_host_t *vha = pci_get_drvdata(pdev: ha->pdev);
430
431	id = qla8044_rd_reg(ha, QLA8044_DRV_LOCK_ID);
432
433	if ((id & 0xFF) != ha->portnum) {
434	ql_log(ql_log_warn, vha, 0xb118,
435	fmt: "%s: IDC Unlock by %d failed, lock owner is %d!\n",
436	__func__, ha->portnum, (id & 0xFF));
437	return;
438	}
439
440	/* Keep lock counter value, update the ha->func_num to 0xFF */
441	qla8044_wr_reg(ha, QLA8044_DRV_LOCK_ID, val: (id | 0xFF));
442	qla8044_rd_reg(ha, QLA8044_DRV_UNLOCK);
443	}
444
445	/* 8044 Flash Lock/Unlock functions */
446	static int
447	qla8044_flash_lock(scsi_qla_host_t *vha)
448	{
449	int lock_owner;
450	int timeout = 0;
451	uint32_t lock_status = 0;
452	int ret_val = QLA_SUCCESS;
453	struct qla_hw_data *ha = vha->hw;
454
455	while (lock_status == 0) {
456	lock_status = qla8044_rd_reg(ha, QLA8044_FLASH_LOCK);
457	if (lock_status)
458	break;
459
460	if (++timeout >= QLA8044_FLASH_LOCK_TIMEOUT / 20) {
461	lock_owner = qla8044_rd_reg(ha,
462	QLA8044_FLASH_LOCK_ID);
463	ql_log(ql_log_warn, vha, 0xb113,
464	fmt: "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d",
465	__func__, ha->portnum, lock_owner);
466	ret_val = QLA_FUNCTION_FAILED;
467	break;
468	}
469	msleep(msecs: 20);
470	}
471	qla8044_wr_reg(ha, QLA8044_FLASH_LOCK_ID, val: ha->portnum);
472	return ret_val;
473	}
474
475	static void
476	qla8044_flash_unlock(scsi_qla_host_t *vha)
477	{
478	struct qla_hw_data *ha = vha->hw;
479
480	/* Reading FLASH_UNLOCK register unlocks the Flash */
481	qla8044_wr_reg(ha, QLA8044_FLASH_LOCK_ID, val: 0xFF);
482	qla8044_rd_reg(ha, QLA8044_FLASH_UNLOCK);
483	}
484
485
486	static
487	void qla8044_flash_lock_recovery(struct scsi_qla_host *vha)
488	{
489
490	if (qla8044_flash_lock(vha)) {
491	/* Someone else is holding the lock. */
492	ql_log(ql_log_warn, vha, 0xb120, fmt: "Resetting flash_lock\n");
493	}
494
495	/*
496	* Either we got the lock, or someone
497	* else died while holding it.
498	* In either case, unlock.
499	*/
500	qla8044_flash_unlock(vha);
501	}
502
503	/*
504	* Address and length are byte address
505	*/
506	static int
507	qla8044_read_flash_data(scsi_qla_host_t *vha, uint8_t *p_data,
508	uint32_t flash_addr, int u32_word_count)
509	{
510	int i, ret_val = QLA_SUCCESS;
511	uint32_t u32_word;
512
513	if (qla8044_flash_lock(vha) != QLA_SUCCESS) {
514	ret_val = QLA_FUNCTION_FAILED;
515	goto exit_lock_error;
516	}
517
518	if (flash_addr & 0x03) {
519	ql_log(ql_log_warn, vha, 0xb117,
520	fmt: "%s: Illegal addr = 0x%x\n", __func__, flash_addr);
521	ret_val = QLA_FUNCTION_FAILED;
522	goto exit_flash_read;
523	}
524
525	for (i = 0; i < u32_word_count; i++) {
526	if (qla8044_wr_reg_indirect(vha, QLA8044_FLASH_DIRECT_WINDOW,
527	data: (flash_addr & 0xFFFF0000))) {
528	ql_log(ql_log_warn, vha, 0xb119,
529	fmt: "%s: failed to write addr 0x%x to "
530	"FLASH_DIRECT_WINDOW\n! ",
531	__func__, flash_addr);
532	ret_val = QLA_FUNCTION_FAILED;
533	goto exit_flash_read;
534	}
535
536	ret_val = qla8044_rd_reg_indirect(vha,
537	QLA8044_FLASH_DIRECT_DATA(flash_addr),
538	data: &u32_word);
539	if (ret_val != QLA_SUCCESS) {
540	ql_log(ql_log_warn, vha, 0xb08c,
541	fmt: "%s: failed to read addr 0x%x!\n",
542	__func__, flash_addr);
543	goto exit_flash_read;
544	}
545
546	*(uint32_t *)p_data = u32_word;
547	p_data = p_data + 4;
548	flash_addr = flash_addr + 4;
549	}
550
551	exit_flash_read:
552	qla8044_flash_unlock(vha);
553
554	exit_lock_error:
555	return ret_val;
556	}
557
558	/*
559	* Address and length are byte address
560	*/
561	void *
562	qla8044_read_optrom_data(struct scsi_qla_host *vha, void *buf,
563	uint32_t offset, uint32_t length)
564	{
565	scsi_block_requests(vha->host);
566	if (qla8044_read_flash_data(vha, p_data: buf, flash_addr: offset, u32_word_count: length / 4)
567	!= QLA_SUCCESS) {
568	ql_log(ql_log_warn, vha, 0xb08d,
569	fmt: "%s: Failed to read from flash\n",
570	__func__);
571	}
572	scsi_unblock_requests(vha->host);
573	return buf;
574	}
575
576	static inline int
577	qla8044_need_reset(struct scsi_qla_host *vha)
578	{
579	uint32_t drv_state, drv_active;
580	int rval;
581	struct qla_hw_data *ha = vha->hw;
582
583	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
584	drv_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
585
586	rval = drv_state & (1 << ha->portnum);
587
588	if (ha->flags.eeh_busy && drv_active)
589	rval = 1;
590	return rval;
591	}
592
593	/*
594	* qla8044_write_list - Write the value (p_entry->arg2) to address specified
595	* by p_entry->arg1 for all entries in header with delay of p_hdr->delay between
596	* entries.
597	*
598	* @vha : Pointer to adapter structure
599	* @p_hdr : reset_entry header for WRITE_LIST opcode.
600	*
601	*/
602	static void
603	qla8044_write_list(struct scsi_qla_host *vha,
604	struct qla8044_reset_entry_hdr *p_hdr)
605	{
606	struct qla8044_entry *p_entry;
607	uint32_t i;
608
609	p_entry = (struct qla8044_entry *)((char *)p_hdr +
610	sizeof(struct qla8044_reset_entry_hdr));
611
612	for (i = 0; i < p_hdr->count; i++, p_entry++) {
613	qla8044_wr_reg_indirect(vha, addr: p_entry->arg1, data: p_entry->arg2);
614	if (p_hdr->delay)
615	udelay(usec: (uint32_t)(p_hdr->delay));
616	}
617	}
618
619	/*
620	* qla8044_read_write_list - Read from address specified by p_entry->arg1,
621	* write value read to address specified by p_entry->arg2, for all entries in
622	* header with delay of p_hdr->delay between entries.
623	*
624	* @vha : Pointer to adapter structure
625	* @p_hdr : reset_entry header for READ_WRITE_LIST opcode.
626	*
627	*/
628	static void
629	qla8044_read_write_list(struct scsi_qla_host *vha,
630	struct qla8044_reset_entry_hdr *p_hdr)
631	{
632	struct qla8044_entry *p_entry;
633	uint32_t i;
634
635	p_entry = (struct qla8044_entry *)((char *)p_hdr +
636	sizeof(struct qla8044_reset_entry_hdr));
637
638	for (i = 0; i < p_hdr->count; i++, p_entry++) {
639	qla8044_read_write_crb_reg(vha, raddr: p_entry->arg1,
640	waddr: p_entry->arg2);
641	if (p_hdr->delay)
642	udelay(usec: (uint32_t)(p_hdr->delay));
643	}
644	}
645
646	/*
647	* qla8044_poll_reg - Poll the given CRB addr for duration msecs till
648	* value read ANDed with test_mask is equal to test_result.
649	*
650	* @ha : Pointer to adapter structure
651	* @addr : CRB register address
652	* @duration : Poll for total of "duration" msecs
653	* @test_mask : Mask value read with "test_mask"
654	* @test_result : Compare (value&test_mask) with test_result.
655	*
656	* Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED
657	*/
658	static int
659	qla8044_poll_reg(struct scsi_qla_host *vha, uint32_t addr,
660	int duration, uint32_t test_mask, uint32_t test_result)
661	{
662	uint32_t value = 0;
663	int timeout_error;
664	uint8_t retries;
665	int ret_val = QLA_SUCCESS;
666
667	ret_val = qla8044_rd_reg_indirect(vha, addr, data: &value);
668	if (ret_val == QLA_FUNCTION_FAILED) {
669	timeout_error = 1;
670	goto exit_poll_reg;
671	}
672
673	/* poll every 1/10 of the total duration */
674	retries = duration/10;
675
676	do {
677	if ((value & test_mask) != test_result) {
678	timeout_error = 1;
679	msleep(msecs: duration/10);
680	ret_val = qla8044_rd_reg_indirect(vha, addr, data: &value);
681	if (ret_val == QLA_FUNCTION_FAILED) {
682	timeout_error = 1;
683	goto exit_poll_reg;
684	}
685	} else {
686	timeout_error = 0;
687	break;
688	}
689	} while (retries--);
690
691	exit_poll_reg:
692	if (timeout_error) {
693	vha->reset_tmplt.seq_error++;
694	ql_log(ql_log_fatal, vha, 0xb090,
695	fmt: "%s: Poll Failed: 0x%08x 0x%08x 0x%08x\n",
696	__func__, value, test_mask, test_result);
697	}
698
699	return timeout_error;
700	}
701
702	/*
703	* qla8044_poll_list - For all entries in the POLL_LIST header, poll read CRB
704	* register specified by p_entry->arg1 and compare (value AND test_mask) with
705	* test_result to validate it. Wait for p_hdr->delay between processing entries.
706	*
707	* @ha : Pointer to adapter structure
708	* @p_hdr : reset_entry header for POLL_LIST opcode.
709	*
710	*/
711	static void
712	qla8044_poll_list(struct scsi_qla_host *vha,
713	struct qla8044_reset_entry_hdr *p_hdr)
714	{
715	long delay;
716	struct qla8044_entry *p_entry;
717	struct qla8044_poll *p_poll;
718	uint32_t i;
719	uint32_t value;
720
721	p_poll = (struct qla8044_poll *)
722	((char *)p_hdr + sizeof(struct qla8044_reset_entry_hdr));
723
724	/* Entries start after 8 byte qla8044_poll, poll header contains
725	* the test_mask, test_value.
726	*/
727	p_entry = (struct qla8044_entry *)((char *)p_poll +
728	sizeof(struct qla8044_poll));
729
730	delay = (long)p_hdr->delay;
731
732	if (!delay) {
733	for (i = 0; i < p_hdr->count; i++, p_entry++)
734	qla8044_poll_reg(vha, addr: p_entry->arg1,
735	duration: delay, test_mask: p_poll->test_mask, test_result: p_poll->test_value);
736	} else {
737	for (i = 0; i < p_hdr->count; i++, p_entry++) {
738	if (delay) {
739	if (qla8044_poll_reg(vha,
740	addr: p_entry->arg1, duration: delay,
741	test_mask: p_poll->test_mask,
742	test_result: p_poll->test_value)) {
743	/*If
744	* (data_read&test_mask != test_value)
745	* read TIMEOUT_ADDR (arg1) and
746	* ADDR (arg2) registers
747	*/
748	qla8044_rd_reg_indirect(vha,
749	addr: p_entry->arg1, data: &value);
750	qla8044_rd_reg_indirect(vha,
751	addr: p_entry->arg2, data: &value);
752	}
753	}
754	}
755	}
756	}
757
758	/*
759	* qla8044_poll_write_list - Write dr_value, ar_value to dr_addr/ar_addr,
760	* read ar_addr, if (value& test_mask != test_mask) re-read till timeout
761	* expires.
762	*
763	* @vha : Pointer to adapter structure
764	* @p_hdr : reset entry header for POLL_WRITE_LIST opcode.
765	*
766	*/
767	static void
768	qla8044_poll_write_list(struct scsi_qla_host *vha,
769	struct qla8044_reset_entry_hdr *p_hdr)
770	{
771	long delay;
772	struct qla8044_quad_entry *p_entry;
773	struct qla8044_poll *p_poll;
774	uint32_t i;
775
776	p_poll = (struct qla8044_poll *)((char *)p_hdr +
777	sizeof(struct qla8044_reset_entry_hdr));
778
779	p_entry = (struct qla8044_quad_entry *)((char *)p_poll +
780	sizeof(struct qla8044_poll));
781
782	delay = (long)p_hdr->delay;
783
784	for (i = 0; i < p_hdr->count; i++, p_entry++) {
785	qla8044_wr_reg_indirect(vha,
786	addr: p_entry->dr_addr, data: p_entry->dr_value);
787	qla8044_wr_reg_indirect(vha,
788	addr: p_entry->ar_addr, data: p_entry->ar_value);
789	if (delay) {
790	if (qla8044_poll_reg(vha,
791	addr: p_entry->ar_addr, duration: delay,
792	test_mask: p_poll->test_mask,
793	test_result: p_poll->test_value)) {
794	ql_dbg(ql_dbg_p3p, vha, 0xb091,
795	fmt: "%s: Timeout Error: poll list, ",
796	__func__);
797	ql_dbg(ql_dbg_p3p, vha, 0xb092,
798	fmt: "item_num %d, entry_num %d\n", i,
799	vha->reset_tmplt.seq_index);
800	}
801	}
802	}
803	}
804
805	/*
806	* qla8044_read_modify_write - Read value from p_entry->arg1, modify the
807	* value, write value to p_entry->arg2. Process entries with p_hdr->delay
808	* between entries.
809	*
810	* @vha : Pointer to adapter structure
811	* @p_hdr : header with shift/or/xor values.
812	*
813	*/
814	static void
815	qla8044_read_modify_write(struct scsi_qla_host *vha,
816	struct qla8044_reset_entry_hdr *p_hdr)
817	{
818	struct qla8044_entry *p_entry;
819	struct qla8044_rmw *p_rmw_hdr;
820	uint32_t i;
821
822	p_rmw_hdr = (struct qla8044_rmw *)((char *)p_hdr +
823	sizeof(struct qla8044_reset_entry_hdr));
824
825	p_entry = (struct qla8044_entry *)((char *)p_rmw_hdr +
826	sizeof(struct qla8044_rmw));
827
828	for (i = 0; i < p_hdr->count; i++, p_entry++) {
829	qla8044_rmw_crb_reg(vha, raddr: p_entry->arg1,
830	waddr: p_entry->arg2, p_rmw_hdr);
831	if (p_hdr->delay)
832	udelay(usec: (uint32_t)(p_hdr->delay));
833	}
834	}
835
836	/*
837	* qla8044_pause - Wait for p_hdr->delay msecs, called between processing
838	* two entries of a sequence.
839	*
840	* @vha : Pointer to adapter structure
841	* @p_hdr : Common reset entry header.
842	*
843	*/
844	static
845	void qla8044_pause(struct scsi_qla_host *vha,
846	struct qla8044_reset_entry_hdr *p_hdr)
847	{
848	if (p_hdr->delay)
849	mdelay((uint32_t)((long)p_hdr->delay));
850	}
851
852	/*
853	* qla8044_template_end - Indicates end of reset sequence processing.
854	*
855	* @vha : Pointer to adapter structure
856	* @p_hdr : Common reset entry header.
857	*
858	*/
859	static void
860	qla8044_template_end(struct scsi_qla_host *vha,
861	struct qla8044_reset_entry_hdr *p_hdr)
862	{
863	vha->reset_tmplt.template_end = 1;
864
865	if (vha->reset_tmplt.seq_error == 0) {
866	ql_dbg(ql_dbg_p3p, vha, 0xb093,
867	fmt: "%s: Reset sequence completed SUCCESSFULLY.\n", __func__);
868	} else {
869	ql_log(ql_log_fatal, vha, 0xb094,
870	fmt: "%s: Reset sequence completed with some timeout "
871	"errors.\n", __func__);
872	}
873	}
874
875	/*
876	* qla8044_poll_read_list - Write ar_value to ar_addr register, read ar_addr,
877	* if (value & test_mask != test_value) re-read till timeout value expires,
878	* read dr_addr register and assign to reset_tmplt.array.
879	*
880	* @vha : Pointer to adapter structure
881	* @p_hdr : Common reset entry header.
882	*
883	*/
884	static void
885	qla8044_poll_read_list(struct scsi_qla_host *vha,
886	struct qla8044_reset_entry_hdr *p_hdr)
887	{
888	long delay;
889	int index;
890	struct qla8044_quad_entry *p_entry;
891	struct qla8044_poll *p_poll;
892	uint32_t i;
893	uint32_t value;
894
895	p_poll = (struct qla8044_poll *)
896	((char *)p_hdr + sizeof(struct qla8044_reset_entry_hdr));
897
898	p_entry = (struct qla8044_quad_entry *)
899	((char *)p_poll + sizeof(struct qla8044_poll));
900
901	delay = (long)p_hdr->delay;
902
903	for (i = 0; i < p_hdr->count; i++, p_entry++) {
904	qla8044_wr_reg_indirect(vha, addr: p_entry->ar_addr,
905	data: p_entry->ar_value);
906	if (delay) {
907	if (qla8044_poll_reg(vha, addr: p_entry->ar_addr, duration: delay,
908	test_mask: p_poll->test_mask, test_result: p_poll->test_value)) {
909	ql_dbg(ql_dbg_p3p, vha, 0xb095,
910	fmt: "%s: Timeout Error: poll "
911	"list, ", __func__);
912	ql_dbg(ql_dbg_p3p, vha, 0xb096,
913	fmt: "Item_num %d, "
914	"entry_num %d\n", i,
915	vha->reset_tmplt.seq_index);
916	} else {
917	index = vha->reset_tmplt.array_index;
918	qla8044_rd_reg_indirect(vha,
919	addr: p_entry->dr_addr, data: &value);
920	vha->reset_tmplt.array[index++] = value;
921	if (index == QLA8044_MAX_RESET_SEQ_ENTRIES)
922	vha->reset_tmplt.array_index = 1;
923	}
924	}
925	}
926	}
927
928	/*
929	* qla8031_process_reset_template - Process all entries in reset template
930	* till entry with SEQ_END opcode, which indicates end of the reset template
931	* processing. Each entry has a Reset Entry header, entry opcode/command, with
932	* size of the entry, number of entries in sub-sequence and delay in microsecs
933	* or timeout in millisecs.
934	*
935	* @ha : Pointer to adapter structure
936	* @p_buff : Common reset entry header.
937	*
938	*/
939	static void
940	qla8044_process_reset_template(struct scsi_qla_host *vha,
941	char *p_buff)
942	{
943	int index, entries;
944	struct qla8044_reset_entry_hdr *p_hdr;
945	char *p_entry = p_buff;
946
947	vha->reset_tmplt.seq_end = 0;
948	vha->reset_tmplt.template_end = 0;
949	entries = vha->reset_tmplt.hdr->entries;
950	index = vha->reset_tmplt.seq_index;
951
952	for (; (!vha->reset_tmplt.seq_end) && (index < entries); index++) {
953	p_hdr = (struct qla8044_reset_entry_hdr *)p_entry;
954	switch (p_hdr->cmd) {
955	case OPCODE_NOP:
956	break;
957	case OPCODE_WRITE_LIST:
958	qla8044_write_list(vha, p_hdr);
959	break;
960	case OPCODE_READ_WRITE_LIST:
961	qla8044_read_write_list(vha, p_hdr);
962	break;
963	case OPCODE_POLL_LIST:
964	qla8044_poll_list(vha, p_hdr);
965	break;
966	case OPCODE_POLL_WRITE_LIST:
967	qla8044_poll_write_list(vha, p_hdr);
968	break;
969	case OPCODE_READ_MODIFY_WRITE:
970	qla8044_read_modify_write(vha, p_hdr);
971	break;
972	case OPCODE_SEQ_PAUSE:
973	qla8044_pause(vha, p_hdr);
974	break;
975	case OPCODE_SEQ_END:
976	vha->reset_tmplt.seq_end = 1;
977	break;
978	case OPCODE_TMPL_END:
979	qla8044_template_end(vha, p_hdr);
980	break;
981	case OPCODE_POLL_READ_LIST:
982	qla8044_poll_read_list(vha, p_hdr);
983	break;
984	default:
985	ql_log(ql_log_fatal, vha, 0xb097,
986	fmt: "%s: Unknown command ==> 0x%04x on "
987	"entry = %d\n", __func__, p_hdr->cmd, index);
988	break;
989	}
990	/*
991	*Set pointer to next entry in the sequence.
992	*/
993	p_entry += p_hdr->size;
994	}
995	vha->reset_tmplt.seq_index = index;
996	}
997
998	static void
999	qla8044_process_init_seq(struct scsi_qla_host *vha)
1000	{
1001	qla8044_process_reset_template(vha,
1002	p_buff: vha->reset_tmplt.init_offset);
1003	if (vha->reset_tmplt.seq_end != 1)
1004	ql_log(ql_log_fatal, vha, 0xb098,
1005	fmt: "%s: Abrupt INIT Sub-Sequence end.\n",
1006	__func__);
1007	}
1008
1009	static void
1010	qla8044_process_stop_seq(struct scsi_qla_host *vha)
1011	{
1012	vha->reset_tmplt.seq_index = 0;
1013	qla8044_process_reset_template(vha, p_buff: vha->reset_tmplt.stop_offset);
1014	if (vha->reset_tmplt.seq_end != 1)
1015	ql_log(ql_log_fatal, vha, 0xb099,
1016	fmt: "%s: Abrupt STOP Sub-Sequence end.\n", __func__);
1017	}
1018
1019	static void
1020	qla8044_process_start_seq(struct scsi_qla_host *vha)
1021	{
1022	qla8044_process_reset_template(vha, p_buff: vha->reset_tmplt.start_offset);
1023	if (vha->reset_tmplt.template_end != 1)
1024	ql_log(ql_log_fatal, vha, 0xb09a,
1025	fmt: "%s: Abrupt START Sub-Sequence end.\n",
1026	__func__);
1027	}
1028
1029	static int
1030	qla8044_lockless_flash_read_u32(struct scsi_qla_host *vha,
1031	uint32_t flash_addr, uint8_t *p_data, int u32_word_count)
1032	{
1033	uint32_t i;
1034	uint32_t u32_word;
1035	uint32_t flash_offset;
1036	uint32_t addr = flash_addr;
1037	int ret_val = QLA_SUCCESS;
1038
1039	flash_offset = addr & (QLA8044_FLASH_SECTOR_SIZE - 1);
1040
1041	if (addr & 0x3) {
1042	ql_log(ql_log_fatal, vha, 0xb09b, fmt: "%s: Illegal addr = 0x%x\n",
1043	__func__, addr);
1044	ret_val = QLA_FUNCTION_FAILED;
1045	goto exit_lockless_read;
1046	}
1047
1048	ret_val = qla8044_wr_reg_indirect(vha,
1049	QLA8044_FLASH_DIRECT_WINDOW, data: (addr));
1050
1051	if (ret_val != QLA_SUCCESS) {
1052	ql_log(ql_log_fatal, vha, 0xb09c,
1053	fmt: "%s: failed to write addr 0x%x to FLASH_DIRECT_WINDOW!\n",
1054	__func__, addr);
1055	goto exit_lockless_read;
1056	}
1057
1058	/* Check if data is spread across multiple sectors */
1059	if ((flash_offset + (u32_word_count * sizeof(uint32_t))) >
1060	(QLA8044_FLASH_SECTOR_SIZE - 1)) {
1061	/* Multi sector read */
1062	for (i = 0; i < u32_word_count; i++) {
1063	ret_val = qla8044_rd_reg_indirect(vha,
1064	QLA8044_FLASH_DIRECT_DATA(addr), data: &u32_word);
1065	if (ret_val != QLA_SUCCESS) {
1066	ql_log(ql_log_fatal, vha, 0xb09d,
1067	fmt: "%s: failed to read addr 0x%x!\n",
1068	__func__, addr);
1069	goto exit_lockless_read;
1070	}
1071	*(uint32_t *)p_data = u32_word;
1072	p_data = p_data + 4;
1073	addr = addr + 4;
1074	flash_offset = flash_offset + 4;
1075	if (flash_offset > (QLA8044_FLASH_SECTOR_SIZE - 1)) {
1076	/* This write is needed once for each sector */
1077	ret_val = qla8044_wr_reg_indirect(vha,
1078	QLA8044_FLASH_DIRECT_WINDOW, data: (addr));
1079	if (ret_val != QLA_SUCCESS) {
1080	ql_log(ql_log_fatal, vha, 0xb09f,
1081	fmt: "%s: failed to write addr "
1082	"0x%x to FLASH_DIRECT_WINDOW!\n",
1083	__func__, addr);
1084	goto exit_lockless_read;
1085	}
1086	flash_offset = 0;
1087	}
1088	}
1089	} else {
1090	/* Single sector read */
1091	for (i = 0; i < u32_word_count; i++) {
1092	ret_val = qla8044_rd_reg_indirect(vha,
1093	QLA8044_FLASH_DIRECT_DATA(addr), data: &u32_word);
1094	if (ret_val != QLA_SUCCESS) {
1095	ql_log(ql_log_fatal, vha, 0xb0a0,
1096	fmt: "%s: failed to read addr 0x%x!\n",
1097	__func__, addr);
1098	goto exit_lockless_read;
1099	}
1100	*(uint32_t *)p_data = u32_word;
1101	p_data = p_data + 4;
1102	addr = addr + 4;
1103	}
1104	}
1105
1106	exit_lockless_read:
1107	return ret_val;
1108	}
1109
1110	/*
1111	* qla8044_ms_mem_write_128b - Writes data to MS/off-chip memory
1112	*
1113	* @vha : Pointer to adapter structure
1114	* addr : Flash address to write to
1115	* data : Data to be written
1116	* count : word_count to be written
1117	*
1118	* Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED
1119	*/
1120	static int
1121	qla8044_ms_mem_write_128b(struct scsi_qla_host *vha,
1122	uint64_t addr, uint32_t *data, uint32_t count)
1123	{
1124	int i, j, ret_val = QLA_SUCCESS;
1125	uint32_t agt_ctrl;
1126	unsigned long flags;
1127	struct qla_hw_data *ha = vha->hw;
1128
1129	/* Only 128-bit aligned access */
1130	if (addr & 0xF) {
1131	ret_val = QLA_FUNCTION_FAILED;
1132	goto exit_ms_mem_write;
1133	}
1134	write_lock_irqsave(&ha->hw_lock, flags);
1135
1136	/* Write address */
1137	ret_val = qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_HI, data: 0);
1138	if (ret_val == QLA_FUNCTION_FAILED) {
1139	ql_log(ql_log_fatal, vha, 0xb0a1,
1140	fmt: "%s: write to AGT_ADDR_HI failed!\n", __func__);
1141	goto exit_ms_mem_write_unlock;
1142	}
1143
1144	for (i = 0; i < count; i++, addr += 16) {
1145	if (!((addr_in_range(addr, QLA8044_ADDR_QDR_NET,
1146	QLA8044_ADDR_QDR_NET_MAX)) ||
1147	(addr_in_range(addr, QLA8044_ADDR_DDR_NET,
1148	QLA8044_ADDR_DDR_NET_MAX)))) {
1149	ret_val = QLA_FUNCTION_FAILED;
1150	goto exit_ms_mem_write_unlock;
1151	}
1152
1153	ret_val = qla8044_wr_reg_indirect(vha,
1154	MD_MIU_TEST_AGT_ADDR_LO, data: addr);
1155
1156	/* Write data */
1157	ret_val += qla8044_wr_reg_indirect(vha,
1158	MD_MIU_TEST_AGT_WRDATA_LO, data: *data++);
1159	ret_val += qla8044_wr_reg_indirect(vha,
1160	MD_MIU_TEST_AGT_WRDATA_HI, data: *data++);
1161	ret_val += qla8044_wr_reg_indirect(vha,
1162	MD_MIU_TEST_AGT_WRDATA_ULO, data: *data++);
1163	ret_val += qla8044_wr_reg_indirect(vha,
1164	MD_MIU_TEST_AGT_WRDATA_UHI, data: *data++);
1165	if (ret_val == QLA_FUNCTION_FAILED) {
1166	ql_log(ql_log_fatal, vha, 0xb0a2,
1167	fmt: "%s: write to AGT_WRDATA failed!\n",
1168	__func__);
1169	goto exit_ms_mem_write_unlock;
1170	}
1171
1172	/* Check write status */
1173	ret_val = qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
1174	MIU_TA_CTL_WRITE_ENABLE);
1175	ret_val += qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
1176	MIU_TA_CTL_WRITE_START);
1177	if (ret_val == QLA_FUNCTION_FAILED) {
1178	ql_log(ql_log_fatal, vha, 0xb0a3,
1179	fmt: "%s: write to AGT_CTRL failed!\n", __func__);
1180	goto exit_ms_mem_write_unlock;
1181	}
1182
1183	for (j = 0; j < MAX_CTL_CHECK; j++) {
1184	ret_val = qla8044_rd_reg_indirect(vha,
1185	MD_MIU_TEST_AGT_CTRL, data: &agt_ctrl);
1186	if (ret_val == QLA_FUNCTION_FAILED) {
1187	ql_log(ql_log_fatal, vha, 0xb0a4,
1188	fmt: "%s: failed to read "
1189	"MD_MIU_TEST_AGT_CTRL!\n", __func__);
1190	goto exit_ms_mem_write_unlock;
1191	}
1192	if ((agt_ctrl & MIU_TA_CTL_BUSY) == 0)
1193	break;
1194	}
1195
1196	/* Status check failed */
1197	if (j >= MAX_CTL_CHECK) {
1198	ql_log(ql_log_fatal, vha, 0xb0a5,
1199	fmt: "%s: MS memory write failed!\n",
1200	__func__);
1201	ret_val = QLA_FUNCTION_FAILED;
1202	goto exit_ms_mem_write_unlock;
1203	}
1204	}
1205
1206	exit_ms_mem_write_unlock:
1207	write_unlock_irqrestore(&ha->hw_lock, flags);
1208
1209	exit_ms_mem_write:
1210	return ret_val;
1211	}
1212
1213	static int
1214	qla8044_copy_bootloader(struct scsi_qla_host *vha)
1215	{
1216	uint8_t *p_cache;
1217	uint32_t src, count, size;
1218	uint64_t dest;
1219	int ret_val = QLA_SUCCESS;
1220	struct qla_hw_data *ha = vha->hw;
1221
1222	src = QLA8044_BOOTLOADER_FLASH_ADDR;
1223	dest = qla8044_rd_reg(ha, QLA8044_BOOTLOADER_ADDR);
1224	size = qla8044_rd_reg(ha, QLA8044_BOOTLOADER_SIZE);
1225
1226	/* 128 bit alignment check */
1227	if (size & 0xF)
1228	size = (size + 16) & ~0xF;
1229
1230	/* 16 byte count */
1231	count = size/16;
1232
1233	p_cache = vmalloc(size);
1234	if (p_cache == NULL) {
1235	ql_log(ql_log_fatal, vha, 0xb0a6,
1236	fmt: "%s: Failed to allocate memory for "
1237	"boot loader cache\n", __func__);
1238	ret_val = QLA_FUNCTION_FAILED;
1239	goto exit_copy_bootloader;
1240	}
1241
1242	ret_val = qla8044_lockless_flash_read_u32(vha, flash_addr: src,
1243	p_data: p_cache, u32_word_count: size/sizeof(uint32_t));
1244	if (ret_val == QLA_FUNCTION_FAILED) {
1245	ql_log(ql_log_fatal, vha, 0xb0a7,
1246	fmt: "%s: Error reading F/W from flash!!!\n", __func__);
1247	goto exit_copy_error;
1248	}
1249	ql_dbg(ql_dbg_p3p, vha, 0xb0a8, fmt: "%s: Read F/W from flash!\n",
1250	__func__);
1251
1252	/* 128 bit/16 byte write to MS memory */
1253	ret_val = qla8044_ms_mem_write_128b(vha, addr: dest,
1254	data: (uint32_t *)p_cache, count);
1255	if (ret_val == QLA_FUNCTION_FAILED) {
1256	ql_log(ql_log_fatal, vha, 0xb0a9,
1257	fmt: "%s: Error writing F/W to MS !!!\n", __func__);
1258	goto exit_copy_error;
1259	}
1260	ql_dbg(ql_dbg_p3p, vha, 0xb0aa,
1261	fmt: "%s: Wrote F/W (size %d) to MS !!!\n",
1262	__func__, size);
1263
1264	exit_copy_error:
1265	vfree(addr: p_cache);
1266
1267	exit_copy_bootloader:
1268	return ret_val;
1269	}
1270
1271	static int
1272	qla8044_restart(struct scsi_qla_host *vha)
1273	{
1274	int ret_val = QLA_SUCCESS;
1275	struct qla_hw_data *ha = vha->hw;
1276
1277	qla8044_process_stop_seq(vha);
1278
1279	/* Collect minidump */
1280	if (ql2xmdenable)
1281	qla8044_get_minidump(vha);
1282	else
1283	ql_log(ql_log_fatal, vha, 0xb14c,
1284	fmt: "Minidump disabled.\n");
1285
1286	qla8044_process_init_seq(vha);
1287
1288	if (qla8044_copy_bootloader(vha)) {
1289	ql_log(ql_log_fatal, vha, 0xb0ab,
1290	fmt: "%s: Copy bootloader, firmware restart failed!\n",
1291	__func__);
1292	ret_val = QLA_FUNCTION_FAILED;
1293	goto exit_restart;
1294	}
1295
1296	/*
1297	* Loads F/W from flash
1298	*/
1299	qla8044_wr_reg(ha, QLA8044_FW_IMAGE_VALID, QLA8044_BOOT_FROM_FLASH);
1300
1301	qla8044_process_start_seq(vha);
1302
1303	exit_restart:
1304	return ret_val;
1305	}
1306
1307	/*
1308	* qla8044_check_cmd_peg_status - Check peg status to see if Peg is
1309	* initialized.
1310	*
1311	* @ha : Pointer to adapter structure
1312	*
1313	* Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED
1314	*/
1315	static int
1316	qla8044_check_cmd_peg_status(struct scsi_qla_host *vha)
1317	{
1318	uint32_t val, ret_val = QLA_FUNCTION_FAILED;
1319	int retries = CRB_CMDPEG_CHECK_RETRY_COUNT;
1320	struct qla_hw_data *ha = vha->hw;
1321
1322	do {
1323	val = qla8044_rd_reg(ha, QLA8044_CMDPEG_STATE);
1324	if (val == PHAN_INITIALIZE_COMPLETE) {
1325	ql_dbg(ql_dbg_p3p, vha, 0xb0ac,
1326	fmt: "%s: Command Peg initialization "
1327	"complete! state=0x%x\n", __func__, val);
1328	ret_val = QLA_SUCCESS;
1329	break;
1330	}
1331	msleep(CRB_CMDPEG_CHECK_DELAY);
1332	} while (--retries);
1333
1334	return ret_val;
1335	}
1336
1337	static int
1338	qla8044_start_firmware(struct scsi_qla_host *vha)
1339	{
1340	int ret_val = QLA_SUCCESS;
1341
1342	if (qla8044_restart(vha)) {
1343	ql_log(ql_log_fatal, vha, 0xb0ad,
1344	fmt: "%s: Restart Error!!!, Need Reset!!!\n",
1345	__func__);
1346	ret_val = QLA_FUNCTION_FAILED;
1347	goto exit_start_fw;
1348	} else
1349	ql_dbg(ql_dbg_p3p, vha, 0xb0af,
1350	fmt: "%s: Restart done!\n", __func__);
1351
1352	ret_val = qla8044_check_cmd_peg_status(vha);
1353	if (ret_val) {
1354	ql_log(ql_log_fatal, vha, 0xb0b0,
1355	fmt: "%s: Peg not initialized!\n", __func__);
1356	ret_val = QLA_FUNCTION_FAILED;
1357	}
1358
1359	exit_start_fw:
1360	return ret_val;
1361	}
1362
1363	void
1364	qla8044_clear_drv_active(struct qla_hw_data *ha)
1365	{
1366	uint32_t drv_active;
1367	struct scsi_qla_host *vha = pci_get_drvdata(pdev: ha->pdev);
1368
1369	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1370	drv_active &= ~(1 << (ha->portnum));
1371
1372	ql_log(ql_log_info, vha, 0xb0b1,
1373	fmt: "%s(%ld): drv_active: 0x%08x\n",
1374	__func__, vha->host_no, drv_active);
1375
1376	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX, value: drv_active);
1377	}
1378
1379	/*
1380	* qla8044_device_bootstrap - Initialize device, set DEV_READY, start fw
1381	* @ha: pointer to adapter structure
1382	*
1383	* Note: IDC lock must be held upon entry
1384	**/
1385	static int
1386	qla8044_device_bootstrap(struct scsi_qla_host *vha)
1387	{
1388	int rval = QLA_FUNCTION_FAILED;
1389	int i;
1390	uint32_t old_count = 0, count = 0;
1391	int need_reset = 0;
1392	uint32_t idc_ctrl;
1393	struct qla_hw_data *ha = vha->hw;
1394
1395	need_reset = qla8044_need_reset(vha);
1396
1397	if (!need_reset) {
1398	old_count = qla8044_rd_direct(vha,
1399	crb_reg: QLA8044_PEG_ALIVE_COUNTER_INDEX);
1400
1401	for (i = 0; i < 10; i++) {
1402	msleep(msecs: 200);
1403
1404	count = qla8044_rd_direct(vha,
1405	crb_reg: QLA8044_PEG_ALIVE_COUNTER_INDEX);
1406	if (count != old_count) {
1407	rval = QLA_SUCCESS;
1408	goto dev_ready;
1409	}
1410	}
1411	qla8044_flash_lock_recovery(vha);
1412	} else {
1413	/* We are trying to perform a recovery here. */
1414	if (ha->flags.isp82xx_fw_hung)
1415	qla8044_flash_lock_recovery(vha);
1416	}
1417
1418	/* set to DEV_INITIALIZING */
1419	ql_log(ql_log_info, vha, 0xb0b2,
1420	fmt: "%s: HW State: INITIALIZING\n", __func__);
1421	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
1422	value: QLA8XXX_DEV_INITIALIZING);
1423
1424	qla8044_idc_unlock(ha);
1425	rval = qla8044_start_firmware(vha);
1426	qla8044_idc_lock(ha);
1427
1428	if (rval != QLA_SUCCESS) {
1429	ql_log(ql_log_info, vha, 0xb0b3,
1430	fmt: "%s: HW State: FAILED\n", __func__);
1431	qla8044_clear_drv_active(ha);
1432	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
1433	value: QLA8XXX_DEV_FAILED);
1434	return rval;
1435	}
1436
1437	/* For ISP8044, If IDC_CTRL GRACEFUL_RESET_BIT1 is set , reset it after
1438	* device goes to INIT state. */
1439	idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
1440	if (idc_ctrl & GRACEFUL_RESET_BIT1) {
1441	qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
1442	val: (idc_ctrl & ~GRACEFUL_RESET_BIT1));
1443	ha->fw_dumped = false;
1444	}
1445
1446	dev_ready:
1447	ql_log(ql_log_info, vha, 0xb0b4,
1448	fmt: "%s: HW State: READY\n", __func__);
1449	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX, value: QLA8XXX_DEV_READY);
1450
1451	return rval;
1452	}
1453
1454	/*-------------------------Reset Sequence Functions-----------------------*/
1455	static void
1456	qla8044_dump_reset_seq_hdr(struct scsi_qla_host *vha)
1457	{
1458	u8 *phdr;
1459
1460	if (!vha->reset_tmplt.buff) {
1461	ql_log(ql_log_fatal, vha, 0xb0b5,
1462	fmt: "%s: Error Invalid reset_seq_template\n", __func__);
1463	return;
1464	}
1465
1466	phdr = vha->reset_tmplt.buff;
1467	ql_dbg(ql_dbg_p3p, vha, 0xb0b6,
1468	fmt: "Reset Template :\n\t0x%X 0x%X 0x%X 0x%X"
1469	"0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\n"
1470	"\t0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\n\n",
1471	*phdr, *(phdr+1), *(phdr+2), *(phdr+3), *(phdr+4),
1472	*(phdr+5), *(phdr+6), *(phdr+7), *(phdr + 8),
1473	*(phdr+9), *(phdr+10), *(phdr+11), *(phdr+12),
1474	*(phdr+13), *(phdr+14), *(phdr+15));
1475	}
1476
1477	/*
1478	* qla8044_reset_seq_checksum_test - Validate Reset Sequence template.
1479	*
1480	* @ha : Pointer to adapter structure
1481	*
1482	* Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED
1483	*/
1484	static int
1485	qla8044_reset_seq_checksum_test(struct scsi_qla_host *vha)
1486	{
1487	uint32_t sum = 0;
1488	uint16_t *buff = (uint16_t *)vha->reset_tmplt.buff;
1489	int u16_count = vha->reset_tmplt.hdr->size / sizeof(uint16_t);
1490
1491	while (u16_count-- > 0)
1492	sum += *buff++;
1493
1494	while (sum >> 16)
1495	sum = (sum & 0xFFFF) + (sum >> 16);
1496
1497	/* checksum of 0 indicates a valid template */
1498	if (~sum) {
1499	return QLA_SUCCESS;
1500	} else {
1501	ql_log(ql_log_fatal, vha, 0xb0b7,
1502	fmt: "%s: Reset seq checksum failed\n", __func__);
1503	return QLA_FUNCTION_FAILED;
1504	}
1505	}
1506
1507	/*
1508	* qla8044_read_reset_template - Read Reset Template from Flash, validate
1509	* the template and store offsets of stop/start/init offsets in ha->reset_tmplt.
1510	*
1511	* @ha : Pointer to adapter structure
1512	*/
1513	void
1514	qla8044_read_reset_template(struct scsi_qla_host *vha)
1515	{
1516	uint8_t *p_buff;
1517	uint32_t addr, tmplt_hdr_def_size, tmplt_hdr_size;
1518
1519	vha->reset_tmplt.seq_error = 0;
1520	vha->reset_tmplt.buff = vmalloc(QLA8044_RESTART_TEMPLATE_SIZE);
1521	if (vha->reset_tmplt.buff == NULL) {
1522	ql_log(ql_log_fatal, vha, 0xb0b8,
1523	fmt: "%s: Failed to allocate reset template resources\n",
1524	__func__);
1525	goto exit_read_reset_template;
1526	}
1527
1528	p_buff = vha->reset_tmplt.buff;
1529	addr = QLA8044_RESET_TEMPLATE_ADDR;
1530
1531	tmplt_hdr_def_size =
1532	sizeof(struct qla8044_reset_template_hdr) / sizeof(uint32_t);
1533
1534	ql_dbg(ql_dbg_p3p, vha, 0xb0b9,
1535	fmt: "%s: Read template hdr size %d from Flash\n",
1536	__func__, tmplt_hdr_def_size);
1537
1538	/* Copy template header from flash */
1539	if (qla8044_read_flash_data(vha, p_data: p_buff, flash_addr: addr, u32_word_count: tmplt_hdr_def_size)) {
1540	ql_log(ql_log_fatal, vha, 0xb0ba,
1541	fmt: "%s: Failed to read reset template\n", __func__);
1542	goto exit_read_template_error;
1543	}
1544
1545	vha->reset_tmplt.hdr =
1546	(struct qla8044_reset_template_hdr *) vha->reset_tmplt.buff;
1547
1548	/* Validate the template header size and signature */
1549	tmplt_hdr_size = vha->reset_tmplt.hdr->hdr_size/sizeof(uint32_t);
1550	if ((tmplt_hdr_size != tmplt_hdr_def_size) ||
1551	(vha->reset_tmplt.hdr->signature != RESET_TMPLT_HDR_SIGNATURE)) {
1552	ql_log(ql_log_fatal, vha, 0xb0bb,
1553	fmt: "%s: Template Header size invalid %d "
1554	"tmplt_hdr_def_size %d!!!\n", __func__,
1555	tmplt_hdr_size, tmplt_hdr_def_size);
1556	goto exit_read_template_error;
1557	}
1558
1559	addr = QLA8044_RESET_TEMPLATE_ADDR + vha->reset_tmplt.hdr->hdr_size;
1560	p_buff = vha->reset_tmplt.buff + vha->reset_tmplt.hdr->hdr_size;
1561	tmplt_hdr_def_size = (vha->reset_tmplt.hdr->size -
1562	vha->reset_tmplt.hdr->hdr_size)/sizeof(uint32_t);
1563
1564	ql_dbg(ql_dbg_p3p, vha, 0xb0bc,
1565	fmt: "%s: Read rest of the template size %d\n",
1566	__func__, vha->reset_tmplt.hdr->size);
1567
1568	/* Copy rest of the template */
1569	if (qla8044_read_flash_data(vha, p_data: p_buff, flash_addr: addr, u32_word_count: tmplt_hdr_def_size)) {
1570	ql_log(ql_log_fatal, vha, 0xb0bd,
1571	fmt: "%s: Failed to read reset template\n", __func__);
1572	goto exit_read_template_error;
1573	}
1574
1575	/* Integrity check */
1576	if (qla8044_reset_seq_checksum_test(vha)) {
1577	ql_log(ql_log_fatal, vha, 0xb0be,
1578	fmt: "%s: Reset Seq checksum failed!\n", __func__);
1579	goto exit_read_template_error;
1580	}
1581
1582	ql_dbg(ql_dbg_p3p, vha, 0xb0bf,
1583	fmt: "%s: Reset Seq checksum passed! Get stop, "
1584	"start and init seq offsets\n", __func__);
1585
1586	/* Get STOP, START, INIT sequence offsets */
1587	vha->reset_tmplt.init_offset = vha->reset_tmplt.buff +
1588	vha->reset_tmplt.hdr->init_seq_offset;
1589
1590	vha->reset_tmplt.start_offset = vha->reset_tmplt.buff +
1591	vha->reset_tmplt.hdr->start_seq_offset;
1592
1593	vha->reset_tmplt.stop_offset = vha->reset_tmplt.buff +
1594	vha->reset_tmplt.hdr->hdr_size;
1595
1596	qla8044_dump_reset_seq_hdr(vha);
1597
1598	goto exit_read_reset_template;
1599
1600	exit_read_template_error:
1601	vfree(addr: vha->reset_tmplt.buff);
1602
1603	exit_read_reset_template:
1604	return;
1605	}
1606
1607	void
1608	qla8044_set_idc_dontreset(struct scsi_qla_host *vha)
1609	{
1610	uint32_t idc_ctrl;
1611	struct qla_hw_data *ha = vha->hw;
1612
1613	idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
1614	idc_ctrl |= DONTRESET_BIT0;
1615	ql_dbg(ql_dbg_p3p, vha, 0xb0c0,
1616	fmt: "%s: idc_ctrl = %d\n", __func__, idc_ctrl);
1617	qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL, val: idc_ctrl);
1618	}
1619
1620	static inline void
1621	qla8044_set_rst_ready(struct scsi_qla_host *vha)
1622	{
1623	uint32_t drv_state;
1624	struct qla_hw_data *ha = vha->hw;
1625
1626	drv_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
1627
1628	/* For ISP8044, drv_active register has 1 bit per function,
1629	* shift 1 by func_num to set a bit for the function.*/
1630	drv_state |= (1 << ha->portnum);
1631
1632	ql_log(ql_log_info, vha, 0xb0c1,
1633	fmt: "%s(%ld): drv_state: 0x%08x\n",
1634	__func__, vha->host_no, drv_state);
1635	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX, value: drv_state);
1636	}
1637
1638	/**
1639	* qla8044_need_reset_handler - Code to start reset sequence
1640	* @vha: pointer to adapter structure
1641	*
1642	* Note: IDC lock must be held upon entry
1643	*/
1644	static void
1645	qla8044_need_reset_handler(struct scsi_qla_host *vha)
1646	{
1647	uint32_t dev_state = 0, drv_state, drv_active;
1648	unsigned long reset_timeout;
1649	struct qla_hw_data *ha = vha->hw;
1650
1651	ql_log(ql_log_fatal, vha, 0xb0c2,
1652	fmt: "%s: Performing ISP error recovery\n", __func__);
1653
1654	if (vha->flags.online) {
1655	qla8044_idc_unlock(ha);
1656	qla2x00_abort_isp_cleanup(vha);
1657	ha->isp_ops->get_flash_version(vha, vha->req->ring);
1658	ha->isp_ops->nvram_config(vha);
1659	qla8044_idc_lock(ha);
1660	}
1661
1662	dev_state = qla8044_rd_direct(vha,
1663	crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
1664	drv_state = qla8044_rd_direct(vha,
1665	crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
1666	drv_active = qla8044_rd_direct(vha,
1667	crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1668
1669	ql_log(ql_log_info, vha, 0xb0c5,
1670	fmt: "%s(%ld): drv_state = 0x%x, drv_active = 0x%x dev_state = 0x%x\n",
1671	__func__, vha->host_no, drv_state, drv_active, dev_state);
1672
1673	qla8044_set_rst_ready(vha);
1674
1675	/* wait for 10 seconds for reset ack from all functions */
1676	reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
1677
1678	do {
1679	if (time_after_eq(jiffies, reset_timeout)) {
1680	ql_log(ql_log_info, vha, 0xb0c4,
1681	fmt: "%s: Function %d: Reset Ack Timeout!, drv_state: 0x%08x, drv_active: 0x%08x\n",
1682	__func__, ha->portnum, drv_state, drv_active);
1683	break;
1684	}
1685
1686	qla8044_idc_unlock(ha);
1687	msleep(msecs: 1000);
1688	qla8044_idc_lock(ha);
1689
1690	dev_state = qla8044_rd_direct(vha,
1691	crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
1692	drv_state = qla8044_rd_direct(vha,
1693	crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
1694	drv_active = qla8044_rd_direct(vha,
1695	crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1696	} while (((drv_state & drv_active) != drv_active) &&
1697	(dev_state == QLA8XXX_DEV_NEED_RESET));
1698
1699	/* Remove IDC participation of functions not acknowledging */
1700	if (drv_state != drv_active) {
1701	ql_log(ql_log_info, vha, 0xb0c7,
1702	fmt: "%s(%ld): Function %d turning off drv_active of non-acking function 0x%x\n",
1703	__func__, vha->host_no, ha->portnum,
1704	(drv_active ^ drv_state));
1705	drv_active = drv_active & drv_state;
1706	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX,
1707	value: drv_active);
1708	} else {
1709	/*
1710	* Reset owner should execute reset recovery,
1711	* if all functions acknowledged
1712	*/
1713	if ((ha->flags.nic_core_reset_owner) &&
1714	(dev_state == QLA8XXX_DEV_NEED_RESET)) {
1715	ha->flags.nic_core_reset_owner = 0;
1716	qla8044_device_bootstrap(vha);
1717	return;
1718	}
1719	}
1720
1721	/* Exit if non active function */
1722	if (!(drv_active & (1 << ha->portnum))) {
1723	ha->flags.nic_core_reset_owner = 0;
1724	return;
1725	}
1726
1727	/*
1728	* Execute Reset Recovery if Reset Owner or Function 7
1729	* is the only active function
1730	*/
1731	if (ha->flags.nic_core_reset_owner ||
1732	((drv_state & drv_active) == QLA8044_FUN7_ACTIVE_INDEX)) {
1733	ha->flags.nic_core_reset_owner = 0;
1734	qla8044_device_bootstrap(vha);
1735	}
1736	}
1737
1738	static void
1739	qla8044_set_drv_active(struct scsi_qla_host *vha)
1740	{
1741	uint32_t drv_active;
1742	struct qla_hw_data *ha = vha->hw;
1743
1744	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1745
1746	/* For ISP8044, drv_active register has 1 bit per function,
1747	* shift 1 by func_num to set a bit for the function.*/
1748	drv_active |= (1 << ha->portnum);
1749
1750	ql_log(ql_log_info, vha, 0xb0c8,
1751	fmt: "%s(%ld): drv_active: 0x%08x\n",
1752	__func__, vha->host_no, drv_active);
1753	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX, value: drv_active);
1754	}
1755
1756	static int
1757	qla8044_check_drv_active(struct scsi_qla_host *vha)
1758	{
1759	uint32_t drv_active;
1760	struct qla_hw_data *ha = vha->hw;
1761
1762	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1763	if (drv_active & (1 << ha->portnum))
1764	return QLA_SUCCESS;
1765	else
1766	return QLA_TEST_FAILED;
1767	}
1768
1769	static void
1770	qla8044_clear_idc_dontreset(struct scsi_qla_host *vha)
1771	{
1772	uint32_t idc_ctrl;
1773	struct qla_hw_data *ha = vha->hw;
1774
1775	idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
1776	idc_ctrl &= ~DONTRESET_BIT0;
1777	ql_log(ql_log_info, vha, 0xb0c9,
1778	fmt: "%s: idc_ctrl = %d\n", __func__,
1779	idc_ctrl);
1780	qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL, val: idc_ctrl);
1781	}
1782
1783	static int
1784	qla8044_set_idc_ver(struct scsi_qla_host *vha)
1785	{
1786	int idc_ver;
1787	uint32_t drv_active;
1788	int rval = QLA_SUCCESS;
1789	struct qla_hw_data *ha = vha->hw;
1790
1791	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1792	if (drv_active == (1 << ha->portnum)) {
1793	idc_ver = qla8044_rd_direct(vha,
1794	crb_reg: QLA8044_CRB_DRV_IDC_VERSION_INDEX);
1795	idc_ver &= (~0xFF);
1796	idc_ver |= QLA8044_IDC_VER_MAJ_VALUE;
1797	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_IDC_VERSION_INDEX,
1798	value: idc_ver);
1799	ql_log(ql_log_info, vha, 0xb0ca,
1800	fmt: "%s: IDC version updated to %d\n",
1801	__func__, idc_ver);
1802	} else {
1803	idc_ver = qla8044_rd_direct(vha,
1804	crb_reg: QLA8044_CRB_DRV_IDC_VERSION_INDEX);
1805	idc_ver &= 0xFF;
1806	if (QLA8044_IDC_VER_MAJ_VALUE != idc_ver) {
1807	ql_log(ql_log_info, vha, 0xb0cb,
1808	fmt: "%s: qla4xxx driver IDC version %d "
1809	"is not compatible with IDC version %d "
1810	"of other drivers!\n",
1811	__func__, QLA8044_IDC_VER_MAJ_VALUE,
1812	idc_ver);
1813	rval = QLA_FUNCTION_FAILED;
1814	goto exit_set_idc_ver;
1815	}
1816	}
1817
1818	/* Update IDC_MINOR_VERSION */
1819	idc_ver = qla8044_rd_reg(ha, QLA8044_CRB_IDC_VER_MINOR);
1820	idc_ver &= ~(0x03 << (ha->portnum * 2));
1821	idc_ver |= (QLA8044_IDC_VER_MIN_VALUE << (ha->portnum * 2));
1822	qla8044_wr_reg(ha, QLA8044_CRB_IDC_VER_MINOR, val: idc_ver);
1823
1824	exit_set_idc_ver:
1825	return rval;
1826	}
1827
1828	static int
1829	qla8044_update_idc_reg(struct scsi_qla_host *vha)
1830	{
1831	uint32_t drv_active;
1832	int rval = QLA_SUCCESS;
1833	struct qla_hw_data *ha = vha->hw;
1834
1835	if (vha->flags.init_done)
1836	goto exit_update_idc_reg;
1837
1838	qla8044_idc_lock(ha);
1839	qla8044_set_drv_active(vha);
1840
1841	drv_active = qla8044_rd_direct(vha,
1842	crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1843
1844	/* If we are the first driver to load and
1845	* ql2xdontresethba is not set, clear IDC_CTRL BIT0. */
1846	if ((drv_active == (1 << ha->portnum)) && !ql2xdontresethba)
1847	qla8044_clear_idc_dontreset(vha);
1848
1849	rval = qla8044_set_idc_ver(vha);
1850	if (rval == QLA_FUNCTION_FAILED)
1851	qla8044_clear_drv_active(ha);
1852	qla8044_idc_unlock(ha);
1853
1854	exit_update_idc_reg:
1855	return rval;
1856	}
1857
1858	/**
1859	* qla8044_need_qsnt_handler - Code to start qsnt
1860	* @vha: pointer to adapter structure
1861	*/
1862	static void
1863	qla8044_need_qsnt_handler(struct scsi_qla_host *vha)
1864	{
1865	unsigned long qsnt_timeout;
1866	uint32_t drv_state, drv_active, dev_state;
1867	struct qla_hw_data *ha = vha->hw;
1868
1869	if (vha->flags.online)
1870	qla2x00_quiesce_io(vha);
1871	else
1872	return;
1873
1874	qla8044_set_qsnt_ready(vha);
1875
1876	/* Wait for 30 secs for all functions to ack qsnt mode */
1877	qsnt_timeout = jiffies + (QSNT_ACK_TOV * HZ);
1878	drv_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
1879	drv_active = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1880
1881	/* Shift drv_active by 1 to match drv_state. As quiescent ready bit
1882	position is at bit 1 and drv active is at bit 0 */
1883	drv_active = drv_active << 1;
1884
1885	while (drv_state != drv_active) {
1886	if (time_after_eq(jiffies, qsnt_timeout)) {
1887	/* Other functions did not ack, changing state to
1888	* DEV_READY
1889	*/
1890	clear_bit(ISP_QUIESCE_NEEDED, addr: &vha->dpc_flags);
1891	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
1892	value: QLA8XXX_DEV_READY);
1893	qla8044_clear_qsnt_ready(vha);
1894	ql_log(ql_log_info, vha, 0xb0cc,
1895	fmt: "Timeout waiting for quiescent ack!!!\n");
1896	return;
1897	}
1898	qla8044_idc_unlock(ha);
1899	msleep(msecs: 1000);
1900	qla8044_idc_lock(ha);
1901
1902	drv_state = qla8044_rd_direct(vha,
1903	crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
1904	drv_active = qla8044_rd_direct(vha,
1905	crb_reg: QLA8044_CRB_DRV_ACTIVE_INDEX);
1906	drv_active = drv_active << 1;
1907	}
1908
1909	/* All functions have Acked. Set quiescent state */
1910	dev_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
1911
1912	if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
1913	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
1914	value: QLA8XXX_DEV_QUIESCENT);
1915	ql_log(ql_log_info, vha, 0xb0cd,
1916	fmt: "%s: HW State: QUIESCENT\n", __func__);
1917	}
1918	}
1919
1920	/*
1921	* qla8044_device_state_handler - Adapter state machine
1922	* @ha: pointer to host adapter structure.
1923	*
1924	* Note: IDC lock must be UNLOCKED upon entry
1925	**/
1926	int
1927	qla8044_device_state_handler(struct scsi_qla_host *vha)
1928	{
1929	uint32_t dev_state;
1930	int rval = QLA_SUCCESS;
1931	unsigned long dev_init_timeout;
1932	struct qla_hw_data *ha = vha->hw;
1933
1934	rval = qla8044_update_idc_reg(vha);
1935	if (rval == QLA_FUNCTION_FAILED)
1936	goto exit_error;
1937
1938	dev_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
1939	ql_dbg(ql_dbg_p3p, vha, 0xb0ce,
1940	fmt: "Device state is 0x%x = %s\n",
1941	dev_state, qdev_state(dev_state));
1942
1943	/* wait for 30 seconds for device to go ready */
1944	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
1945
1946	qla8044_idc_lock(ha);
1947
1948	while (1) {
1949	if (time_after_eq(jiffies, dev_init_timeout)) {
1950	if (qla8044_check_drv_active(vha) == QLA_SUCCESS) {
1951	ql_log(ql_log_warn, vha, 0xb0cf,
1952	fmt: "%s: Device Init Failed 0x%x = %s\n",
1953	QLA2XXX_DRIVER_NAME, dev_state,
1954	qdev_state(dev_state));
1955	qla8044_wr_direct(vha,
1956	crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
1957	value: QLA8XXX_DEV_FAILED);
1958	}
1959	}
1960
1961	dev_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
1962	ql_log(ql_log_info, vha, 0xb0d0,
1963	fmt: "Device state is 0x%x = %s\n",
1964	dev_state, qdev_state(dev_state));
1965
1966	/* NOTE: Make sure idc unlocked upon exit of switch statement */
1967	switch (dev_state) {
1968	case QLA8XXX_DEV_READY:
1969	ha->flags.nic_core_reset_owner = 0;
1970	goto exit;
1971	case QLA8XXX_DEV_COLD:
1972	rval = qla8044_device_bootstrap(vha);
1973	break;
1974	case QLA8XXX_DEV_INITIALIZING:
1975	qla8044_idc_unlock(ha);
1976	msleep(msecs: 1000);
1977	qla8044_idc_lock(ha);
1978	break;
1979	case QLA8XXX_DEV_NEED_RESET:
1980	/* For ISP8044, if NEED_RESET is set by any driver,
1981	* it should be honored, irrespective of IDC_CTRL
1982	* DONTRESET_BIT0 */
1983	qla8044_need_reset_handler(vha);
1984	break;
1985	case QLA8XXX_DEV_NEED_QUIESCENT:
1986	/* idc locked/unlocked in handler */
1987	qla8044_need_qsnt_handler(vha);
1988
1989	/* Reset the init timeout after qsnt handler */
1990	dev_init_timeout = jiffies +
1991	(ha->fcoe_reset_timeout * HZ);
1992	break;
1993	case QLA8XXX_DEV_QUIESCENT:
1994	ql_log(ql_log_info, vha, 0xb0d1,
1995	fmt: "HW State: QUIESCENT\n");
1996
1997	qla8044_idc_unlock(ha);
1998	msleep(msecs: 1000);
1999	qla8044_idc_lock(ha);
2000
2001	/* Reset the init timeout after qsnt handler */
2002	dev_init_timeout = jiffies +
2003	(ha->fcoe_reset_timeout * HZ);
2004	break;
2005	case QLA8XXX_DEV_FAILED:
2006	ha->flags.nic_core_reset_owner = 0;
2007	qla8044_idc_unlock(ha);
2008	qla8xxx_dev_failed_handler(vha);
2009	rval = QLA_FUNCTION_FAILED;
2010	qla8044_idc_lock(ha);
2011	goto exit;
2012	default:
2013	qla8044_idc_unlock(ha);
2014	qla8xxx_dev_failed_handler(vha);
2015	rval = QLA_FUNCTION_FAILED;
2016	qla8044_idc_lock(ha);
2017	goto exit;
2018	}
2019	}
2020	exit:
2021	qla8044_idc_unlock(ha);
2022
2023	exit_error:
2024	return rval;
2025	}
2026
2027	/**
2028	* qla8044_check_temp - Check the ISP82XX temperature.
2029	* @vha: adapter block pointer.
2030	*
2031	* Note: The caller should not hold the idc lock.
2032	*/
2033	static int
2034	qla8044_check_temp(struct scsi_qla_host *vha)
2035	{
2036	uint32_t temp, temp_state, temp_val;
2037	int status = QLA_SUCCESS;
2038
2039	temp = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_TEMP_STATE_INDEX);
2040	temp_state = qla82xx_get_temp_state(temp);
2041	temp_val = qla82xx_get_temp_val(temp);
2042
2043	if (temp_state == QLA82XX_TEMP_PANIC) {
2044	ql_log(ql_log_warn, vha, 0xb0d2,
2045	fmt: "Device temperature %d degrees C"
2046	" exceeds maximum allowed. Hardware has been shut"
2047	" down\n", temp_val);
2048	status = QLA_FUNCTION_FAILED;
2049	return status;
2050	} else if (temp_state == QLA82XX_TEMP_WARN) {
2051	ql_log(ql_log_warn, vha, 0xb0d3,
2052	fmt: "Device temperature %d"
2053	" degrees C exceeds operating range."
2054	" Immediate action needed.\n", temp_val);
2055	}
2056	return 0;
2057	}
2058
2059	int qla8044_read_temperature(scsi_qla_host_t *vha)
2060	{
2061	uint32_t temp;
2062
2063	temp = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_TEMP_STATE_INDEX);
2064	return qla82xx_get_temp_val(temp);
2065	}
2066
2067	/**
2068	* qla8044_check_fw_alive - Check firmware health
2069	* @vha: Pointer to host adapter structure.
2070	*
2071	* Context: Interrupt
2072	*/
2073	int
2074	qla8044_check_fw_alive(struct scsi_qla_host *vha)
2075	{
2076	uint32_t fw_heartbeat_counter;
2077	uint32_t halt_status1, halt_status2;
2078	int status = QLA_SUCCESS;
2079
2080	fw_heartbeat_counter = qla8044_rd_direct(vha,
2081	crb_reg: QLA8044_PEG_ALIVE_COUNTER_INDEX);
2082
2083	/* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
2084	if (fw_heartbeat_counter == 0xffffffff) {
2085	ql_dbg(ql_dbg_p3p, vha, 0xb0d4,
2086	fmt: "scsi%ld: %s: Device in frozen "
2087	"state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
2088	vha->host_no, __func__);
2089	return status;
2090	}
2091
2092	if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
2093	vha->seconds_since_last_heartbeat++;
2094	/* FW not alive after 2 seconds */
2095	if (vha->seconds_since_last_heartbeat == 2) {
2096	vha->seconds_since_last_heartbeat = 0;
2097	halt_status1 = qla8044_rd_direct(vha,
2098	crb_reg: QLA8044_PEG_HALT_STATUS1_INDEX);
2099	halt_status2 = qla8044_rd_direct(vha,
2100	crb_reg: QLA8044_PEG_HALT_STATUS2_INDEX);
2101
2102	ql_log(ql_log_info, vha, 0xb0d5,
2103	fmt: "scsi(%ld): %s, ISP8044 "
2104	"Dumping hw/fw registers:\n"
2105	" PEG_HALT_STATUS1: 0x%x, "
2106	"PEG_HALT_STATUS2: 0x%x,\n",
2107	vha->host_no, __func__, halt_status1,
2108	halt_status2);
2109	status = QLA_FUNCTION_FAILED;
2110	}
2111	} else
2112	vha->seconds_since_last_heartbeat = 0;
2113
2114	vha->fw_heartbeat_counter = fw_heartbeat_counter;
2115	return status;
2116	}
2117
2118	void
2119	qla8044_watchdog(struct scsi_qla_host *vha)
2120	{
2121	uint32_t dev_state, halt_status;
2122	int halt_status_unrecoverable = 0;
2123	struct qla_hw_data *ha = vha->hw;
2124
2125	/* don't poll if reset is going on or FW hang in quiescent state */
2126	if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
2127	test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))) {
2128	dev_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
2129
2130	if (qla8044_check_fw_alive(vha)) {
2131	ha->flags.isp82xx_fw_hung = 1;
2132	ql_log(ql_log_warn, vha, 0xb10a,
2133	fmt: "Firmware hung.\n");
2134	qla82xx_clear_pending_mbx(vha);
2135	}
2136
2137	if (qla8044_check_temp(vha)) {
2138	set_bit(ISP_UNRECOVERABLE, addr: &vha->dpc_flags);
2139	ha->flags.isp82xx_fw_hung = 1;
2140	qla2xxx_wake_dpc(vha);
2141	} else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
2142	!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
2143	ql_log(ql_log_info, vha, 0xb0d6,
2144	fmt: "%s: HW State: NEED RESET!\n",
2145	__func__);
2146	set_bit(ISP_ABORT_NEEDED, addr: &vha->dpc_flags);
2147	qla2xxx_wake_dpc(vha);
2148	} else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
2149	!test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
2150	ql_log(ql_log_info, vha, 0xb0d7,
2151	fmt: "%s: HW State: NEED QUIES detected!\n",
2152	__func__);
2153	set_bit(ISP_QUIESCE_NEEDED, addr: &vha->dpc_flags);
2154	qla2xxx_wake_dpc(vha);
2155	} else {
2156	/* Check firmware health */
2157	if (ha->flags.isp82xx_fw_hung) {
2158	halt_status = qla8044_rd_direct(vha,
2159	crb_reg: QLA8044_PEG_HALT_STATUS1_INDEX);
2160	if (halt_status &
2161	QLA8044_HALT_STATUS_FW_RESET) {
2162	ql_log(ql_log_fatal, vha,
2163	0xb0d8, fmt: "%s: Firmware "
2164	"error detected device "
2165	"is being reset\n",
2166	__func__);
2167	} else if (halt_status &
2168	QLA8044_HALT_STATUS_UNRECOVERABLE) {
2169	halt_status_unrecoverable = 1;
2170	}
2171
2172	/* Since we cannot change dev_state in interrupt
2173	* context, set appropriate DPC flag then wakeup
2174	* DPC */
2175	if (halt_status_unrecoverable) {
2176	set_bit(ISP_UNRECOVERABLE,
2177	addr: &vha->dpc_flags);
2178	} else {
2179	if (dev_state ==
2180	QLA8XXX_DEV_QUIESCENT) {
2181	set_bit(FCOE_CTX_RESET_NEEDED,
2182	addr: &vha->dpc_flags);
2183	ql_log(ql_log_info, vha, 0xb0d9,
2184	fmt: "%s: FW CONTEXT Reset "
2185	"needed!\n", __func__);
2186	} else {
2187	ql_log(ql_log_info, vha,
2188	0xb0da, fmt: "%s: "
2189	"detect abort needed\n",
2190	__func__);
2191	set_bit(ISP_ABORT_NEEDED,
2192	addr: &vha->dpc_flags);
2193	}
2194	}
2195	qla2xxx_wake_dpc(vha);
2196	}
2197	}
2198
2199	}
2200	}
2201
2202	static int
2203	qla8044_minidump_process_control(struct scsi_qla_host *vha,
2204	struct qla8044_minidump_entry_hdr *entry_hdr)
2205	{
2206	struct qla8044_minidump_entry_crb *crb_entry;
2207	uint32_t read_value, opcode, poll_time, addr, index;
2208	uint32_t crb_addr, rval = QLA_SUCCESS;
2209	unsigned long wtime;
2210	struct qla8044_minidump_template_hdr *tmplt_hdr;
2211	int i;
2212	struct qla_hw_data *ha = vha->hw;
2213
2214	ql_dbg(ql_dbg_p3p, vha, 0xb0dd, fmt: "Entering fn: %s\n", __func__);
2215	tmplt_hdr = (struct qla8044_minidump_template_hdr *)
2216	ha->md_tmplt_hdr;
2217	crb_entry = (struct qla8044_minidump_entry_crb *)entry_hdr;
2218
2219	crb_addr = crb_entry->addr;
2220	for (i = 0; i < crb_entry->op_count; i++) {
2221	opcode = crb_entry->crb_ctrl.opcode;
2222
2223	if (opcode & QLA82XX_DBG_OPCODE_WR) {
2224	qla8044_wr_reg_indirect(vha, addr: crb_addr,
2225	data: crb_entry->value_1);
2226	}
2227
2228	if (opcode & QLA82XX_DBG_OPCODE_RW) {
2229	qla8044_rd_reg_indirect(vha, addr: crb_addr, data: &read_value);
2230	qla8044_wr_reg_indirect(vha, addr: crb_addr, data: read_value);
2231	}
2232
2233	if (opcode & QLA82XX_DBG_OPCODE_AND) {
2234	qla8044_rd_reg_indirect(vha, addr: crb_addr, data: &read_value);
2235	read_value &= crb_entry->value_2;
2236	if (opcode & QLA82XX_DBG_OPCODE_OR) {
2237	read_value |= crb_entry->value_3;
2238	opcode &= ~QLA82XX_DBG_OPCODE_OR;
2239	}
2240	qla8044_wr_reg_indirect(vha, addr: crb_addr, data: read_value);
2241	}
2242	if (opcode & QLA82XX_DBG_OPCODE_OR) {
2243	qla8044_rd_reg_indirect(vha, addr: crb_addr, data: &read_value);
2244	read_value |= crb_entry->value_3;
2245	qla8044_wr_reg_indirect(vha, addr: crb_addr, data: read_value);
2246	}
2247	if (opcode & QLA82XX_DBG_OPCODE_POLL) {
2248	poll_time = crb_entry->crb_strd.poll_timeout;
2249	wtime = jiffies + poll_time;
2250	qla8044_rd_reg_indirect(vha, addr: crb_addr, data: &read_value);
2251
2252	do {
2253	if ((read_value & crb_entry->value_2) ==
2254	crb_entry->value_1) {
2255	break;
2256	} else if (time_after_eq(jiffies, wtime)) {
2257	/* capturing dump failed */
2258	rval = QLA_FUNCTION_FAILED;
2259	break;
2260	} else {
2261	qla8044_rd_reg_indirect(vha,
2262	addr: crb_addr, data: &read_value);
2263	}
2264	} while (1);
2265	}
2266
2267	if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
2268	if (crb_entry->crb_strd.state_index_a) {
2269	index = crb_entry->crb_strd.state_index_a;
2270	addr = tmplt_hdr->saved_state_array[index];
2271	} else {
2272	addr = crb_addr;
2273	}
2274
2275	qla8044_rd_reg_indirect(vha, addr, data: &read_value);
2276	index = crb_entry->crb_ctrl.state_index_v;
2277	tmplt_hdr->saved_state_array[index] = read_value;
2278	}
2279
2280	if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
2281	if (crb_entry->crb_strd.state_index_a) {
2282	index = crb_entry->crb_strd.state_index_a;
2283	addr = tmplt_hdr->saved_state_array[index];
2284	} else {
2285	addr = crb_addr;
2286	}
2287
2288	if (crb_entry->crb_ctrl.state_index_v) {
2289	index = crb_entry->crb_ctrl.state_index_v;
2290	read_value =
2291	tmplt_hdr->saved_state_array[index];
2292	} else {
2293	read_value = crb_entry->value_1;
2294	}
2295
2296	qla8044_wr_reg_indirect(vha, addr, data: read_value);
2297	}
2298
2299	if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
2300	index = crb_entry->crb_ctrl.state_index_v;
2301	read_value = tmplt_hdr->saved_state_array[index];
2302	read_value <<= crb_entry->crb_ctrl.shl;
2303	read_value >>= crb_entry->crb_ctrl.shr;
2304	if (crb_entry->value_2)
2305	read_value &= crb_entry->value_2;
2306	read_value |= crb_entry->value_3;
2307	read_value += crb_entry->value_1;
2308	tmplt_hdr->saved_state_array[index] = read_value;
2309	}
2310	crb_addr += crb_entry->crb_strd.addr_stride;
2311	}
2312	return rval;
2313	}
2314
2315	static void
2316	qla8044_minidump_process_rdcrb(struct scsi_qla_host *vha,
2317	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2318	{
2319	uint32_t r_addr, r_stride, loop_cnt, i, r_value;
2320	struct qla8044_minidump_entry_crb *crb_hdr;
2321	uint32_t *data_ptr = *d_ptr;
2322
2323	ql_dbg(ql_dbg_p3p, vha, 0xb0de, fmt: "Entering fn: %s\n", __func__);
2324	crb_hdr = (struct qla8044_minidump_entry_crb *)entry_hdr;
2325	r_addr = crb_hdr->addr;
2326	r_stride = crb_hdr->crb_strd.addr_stride;
2327	loop_cnt = crb_hdr->op_count;
2328
2329	for (i = 0; i < loop_cnt; i++) {
2330	qla8044_rd_reg_indirect(vha, addr: r_addr, data: &r_value);
2331	*data_ptr++ = r_addr;
2332	*data_ptr++ = r_value;
2333	r_addr += r_stride;
2334	}
2335	*d_ptr = data_ptr;
2336	}
2337
2338	static int
2339	qla8044_minidump_process_rdmem(struct scsi_qla_host *vha,
2340	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2341	{
2342	uint32_t r_addr, r_value, r_data;
2343	uint32_t i, j, loop_cnt;
2344	struct qla8044_minidump_entry_rdmem *m_hdr;
2345	unsigned long flags;
2346	uint32_t *data_ptr = *d_ptr;
2347	struct qla_hw_data *ha = vha->hw;
2348
2349	ql_dbg(ql_dbg_p3p, vha, 0xb0df, fmt: "Entering fn: %s\n", __func__);
2350	m_hdr = (struct qla8044_minidump_entry_rdmem *)entry_hdr;
2351	r_addr = m_hdr->read_addr;
2352	loop_cnt = m_hdr->read_data_size/16;
2353
2354	ql_dbg(ql_dbg_p3p, vha, 0xb0f0,
2355	fmt: "[%s]: Read addr: 0x%x, read_data_size: 0x%x\n",
2356	__func__, r_addr, m_hdr->read_data_size);
2357
2358	if (r_addr & 0xf) {
2359	ql_dbg(ql_dbg_p3p, vha, 0xb0f1,
2360	fmt: "[%s]: Read addr 0x%x not 16 bytes aligned\n",
2361	__func__, r_addr);
2362	return QLA_FUNCTION_FAILED;
2363	}
2364
2365	if (m_hdr->read_data_size % 16) {
2366	ql_dbg(ql_dbg_p3p, vha, 0xb0f2,
2367	fmt: "[%s]: Read data[0x%x] not multiple of 16 bytes\n",
2368	__func__, m_hdr->read_data_size);
2369	return QLA_FUNCTION_FAILED;
2370	}
2371
2372	ql_dbg(ql_dbg_p3p, vha, 0xb0f3,
2373	fmt: "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
2374	__func__, r_addr, m_hdr->read_data_size, loop_cnt);
2375
2376	write_lock_irqsave(&ha->hw_lock, flags);
2377	for (i = 0; i < loop_cnt; i++) {
2378	qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_LO, data: r_addr);
2379	r_value = 0;
2380	qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_ADDR_HI, data: r_value);
2381	r_value = MIU_TA_CTL_ENABLE;
2382	qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL, data: r_value);
2383	r_value = MIU_TA_CTL_START_ENABLE;
2384	qla8044_wr_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL, data: r_value);
2385
2386	for (j = 0; j < MAX_CTL_CHECK; j++) {
2387	qla8044_rd_reg_indirect(vha, MD_MIU_TEST_AGT_CTRL,
2388	data: &r_value);
2389	if ((r_value & MIU_TA_CTL_BUSY) == 0)
2390	break;
2391	}
2392
2393	if (j >= MAX_CTL_CHECK) {
2394	write_unlock_irqrestore(&ha->hw_lock, flags);
2395	return QLA_SUCCESS;
2396	}
2397
2398	for (j = 0; j < 4; j++) {
2399	qla8044_rd_reg_indirect(vha, addr: MD_MIU_TEST_AGT_RDDATA[j],
2400	data: &r_data);
2401	*data_ptr++ = r_data;
2402	}
2403
2404	r_addr += 16;
2405	}
2406	write_unlock_irqrestore(&ha->hw_lock, flags);
2407
2408	ql_dbg(ql_dbg_p3p, vha, 0xb0f4,
2409	fmt: "Leaving fn: %s datacount: 0x%x\n",
2410	__func__, (loop_cnt * 16));
2411
2412	*d_ptr = data_ptr;
2413	return QLA_SUCCESS;
2414	}
2415
2416	/* ISP83xx flash read for _RDROM _BOARD */
2417	static uint32_t
2418	qla8044_minidump_process_rdrom(struct scsi_qla_host *vha,
2419	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2420	{
2421	uint32_t fl_addr, u32_count, rval;
2422	struct qla8044_minidump_entry_rdrom *rom_hdr;
2423	uint32_t *data_ptr = *d_ptr;
2424
2425	rom_hdr = (struct qla8044_minidump_entry_rdrom *)entry_hdr;
2426	fl_addr = rom_hdr->read_addr;
2427	u32_count = (rom_hdr->read_data_size)/sizeof(uint32_t);
2428
2429	ql_dbg(ql_dbg_p3p, vha, 0xb0f5, fmt: "[%s]: fl_addr: 0x%x, count: 0x%x\n",
2430	__func__, fl_addr, u32_count);
2431
2432	rval = qla8044_lockless_flash_read_u32(vha, flash_addr: fl_addr,
2433	p_data: (u8 *)(data_ptr), u32_word_count: u32_count);
2434
2435	if (rval != QLA_SUCCESS) {
2436	ql_log(ql_log_fatal, vha, 0xb0f6,
2437	fmt: "%s: Flash Read Error,Count=%d\n", __func__, u32_count);
2438	return QLA_FUNCTION_FAILED;
2439	} else {
2440	data_ptr += u32_count;
2441	*d_ptr = data_ptr;
2442	return QLA_SUCCESS;
2443	}
2444	}
2445
2446	static void
2447	qla8044_mark_entry_skipped(struct scsi_qla_host *vha,
2448	struct qla8044_minidump_entry_hdr *entry_hdr, int index)
2449	{
2450	entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
2451
2452	ql_log(ql_log_info, vha, 0xb0f7,
2453	fmt: "scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n",
2454	vha->host_no, index, entry_hdr->entry_type,
2455	entry_hdr->d_ctrl.entry_capture_mask);
2456	}
2457
2458	static int
2459	qla8044_minidump_process_l2tag(struct scsi_qla_host *vha,
2460	struct qla8044_minidump_entry_hdr *entry_hdr,
2461	uint32_t **d_ptr)
2462	{
2463	uint32_t addr, r_addr, c_addr, t_r_addr;
2464	uint32_t i, k, loop_count, t_value, r_cnt, r_value;
2465	unsigned long p_wait, w_time, p_mask;
2466	uint32_t c_value_w, c_value_r;
2467	struct qla8044_minidump_entry_cache *cache_hdr;
2468	int rval = QLA_FUNCTION_FAILED;
2469	uint32_t *data_ptr = *d_ptr;
2470
2471	ql_dbg(ql_dbg_p3p, vha, 0xb0f8, fmt: "Entering fn: %s\n", __func__);
2472	cache_hdr = (struct qla8044_minidump_entry_cache *)entry_hdr;
2473
2474	loop_count = cache_hdr->op_count;
2475	r_addr = cache_hdr->read_addr;
2476	c_addr = cache_hdr->control_addr;
2477	c_value_w = cache_hdr->cache_ctrl.write_value;
2478
2479	t_r_addr = cache_hdr->tag_reg_addr;
2480	t_value = cache_hdr->addr_ctrl.init_tag_value;
2481	r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
2482	p_wait = cache_hdr->cache_ctrl.poll_wait;
2483	p_mask = cache_hdr->cache_ctrl.poll_mask;
2484
2485	for (i = 0; i < loop_count; i++) {
2486	qla8044_wr_reg_indirect(vha, addr: t_r_addr, data: t_value);
2487	if (c_value_w)
2488	qla8044_wr_reg_indirect(vha, addr: c_addr, data: c_value_w);
2489
2490	if (p_mask) {
2491	w_time = jiffies + p_wait;
2492	do {
2493	qla8044_rd_reg_indirect(vha, addr: c_addr,
2494	data: &c_value_r);
2495	if ((c_value_r & p_mask) == 0) {
2496	break;
2497	} else if (time_after_eq(jiffies, w_time)) {
2498	/* capturing dump failed */
2499	return rval;
2500	}
2501	} while (1);
2502	}
2503
2504	addr = r_addr;
2505	for (k = 0; k < r_cnt; k++) {
2506	qla8044_rd_reg_indirect(vha, addr, data: &r_value);
2507	*data_ptr++ = r_value;
2508	addr += cache_hdr->read_ctrl.read_addr_stride;
2509	}
2510	t_value += cache_hdr->addr_ctrl.tag_value_stride;
2511	}
2512	*d_ptr = data_ptr;
2513	return QLA_SUCCESS;
2514	}
2515
2516	static void
2517	qla8044_minidump_process_l1cache(struct scsi_qla_host *vha,
2518	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2519	{
2520	uint32_t addr, r_addr, c_addr, t_r_addr;
2521	uint32_t i, k, loop_count, t_value, r_cnt, r_value;
2522	uint32_t c_value_w;
2523	struct qla8044_minidump_entry_cache *cache_hdr;
2524	uint32_t *data_ptr = *d_ptr;
2525
2526	cache_hdr = (struct qla8044_minidump_entry_cache *)entry_hdr;
2527	loop_count = cache_hdr->op_count;
2528	r_addr = cache_hdr->read_addr;
2529	c_addr = cache_hdr->control_addr;
2530	c_value_w = cache_hdr->cache_ctrl.write_value;
2531
2532	t_r_addr = cache_hdr->tag_reg_addr;
2533	t_value = cache_hdr->addr_ctrl.init_tag_value;
2534	r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
2535
2536	for (i = 0; i < loop_count; i++) {
2537	qla8044_wr_reg_indirect(vha, addr: t_r_addr, data: t_value);
2538	qla8044_wr_reg_indirect(vha, addr: c_addr, data: c_value_w);
2539	addr = r_addr;
2540	for (k = 0; k < r_cnt; k++) {
2541	qla8044_rd_reg_indirect(vha, addr, data: &r_value);
2542	*data_ptr++ = r_value;
2543	addr += cache_hdr->read_ctrl.read_addr_stride;
2544	}
2545	t_value += cache_hdr->addr_ctrl.tag_value_stride;
2546	}
2547	*d_ptr = data_ptr;
2548	}
2549
2550	static void
2551	qla8044_minidump_process_rdocm(struct scsi_qla_host *vha,
2552	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2553	{
2554	uint32_t r_addr, r_stride, loop_cnt, i, r_value;
2555	struct qla8044_minidump_entry_rdocm *ocm_hdr;
2556	uint32_t *data_ptr = *d_ptr;
2557	struct qla_hw_data *ha = vha->hw;
2558
2559	ql_dbg(ql_dbg_p3p, vha, 0xb0f9, fmt: "Entering fn: %s\n", __func__);
2560
2561	ocm_hdr = (struct qla8044_minidump_entry_rdocm *)entry_hdr;
2562	r_addr = ocm_hdr->read_addr;
2563	r_stride = ocm_hdr->read_addr_stride;
2564	loop_cnt = ocm_hdr->op_count;
2565
2566	ql_dbg(ql_dbg_p3p, vha, 0xb0fa,
2567	fmt: "[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n",
2568	__func__, r_addr, r_stride, loop_cnt);
2569
2570	for (i = 0; i < loop_cnt; i++) {
2571	r_value = readl(addr: (void __iomem *)(r_addr + ha->nx_pcibase));
2572	*data_ptr++ = r_value;
2573	r_addr += r_stride;
2574	}
2575	ql_dbg(ql_dbg_p3p, vha, 0xb0fb, fmt: "Leaving fn: %s datacount: 0x%lx\n",
2576	__func__, (long unsigned int) (loop_cnt * sizeof(uint32_t)));
2577
2578	*d_ptr = data_ptr;
2579	}
2580
2581	static void
2582	qla8044_minidump_process_rdmux(struct scsi_qla_host *vha,
2583	struct qla8044_minidump_entry_hdr *entry_hdr,
2584	uint32_t **d_ptr)
2585	{
2586	uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value = 0;
2587	struct qla8044_minidump_entry_mux *mux_hdr;
2588	uint32_t *data_ptr = *d_ptr;
2589
2590	ql_dbg(ql_dbg_p3p, vha, 0xb0fc, fmt: "Entering fn: %s\n", __func__);
2591
2592	mux_hdr = (struct qla8044_minidump_entry_mux *)entry_hdr;
2593	r_addr = mux_hdr->read_addr;
2594	s_addr = mux_hdr->select_addr;
2595	s_stride = mux_hdr->select_value_stride;
2596	s_value = mux_hdr->select_value;
2597	loop_cnt = mux_hdr->op_count;
2598
2599	for (i = 0; i < loop_cnt; i++) {
2600	qla8044_wr_reg_indirect(vha, addr: s_addr, data: s_value);
2601	qla8044_rd_reg_indirect(vha, addr: r_addr, data: &r_value);
2602	*data_ptr++ = s_value;
2603	*data_ptr++ = r_value;
2604	s_value += s_stride;
2605	}
2606	*d_ptr = data_ptr;
2607	}
2608
2609	static void
2610	qla8044_minidump_process_queue(struct scsi_qla_host *vha,
2611	struct qla8044_minidump_entry_hdr *entry_hdr,
2612	uint32_t **d_ptr)
2613	{
2614	uint32_t s_addr, r_addr;
2615	uint32_t r_stride, r_value, r_cnt, qid = 0;
2616	uint32_t i, k, loop_cnt;
2617	struct qla8044_minidump_entry_queue *q_hdr;
2618	uint32_t *data_ptr = *d_ptr;
2619
2620	ql_dbg(ql_dbg_p3p, vha, 0xb0fd, fmt: "Entering fn: %s\n", __func__);
2621	q_hdr = (struct qla8044_minidump_entry_queue *)entry_hdr;
2622	s_addr = q_hdr->select_addr;
2623	r_cnt = q_hdr->rd_strd.read_addr_cnt;
2624	r_stride = q_hdr->rd_strd.read_addr_stride;
2625	loop_cnt = q_hdr->op_count;
2626
2627	for (i = 0; i < loop_cnt; i++) {
2628	qla8044_wr_reg_indirect(vha, addr: s_addr, data: qid);
2629	r_addr = q_hdr->read_addr;
2630	for (k = 0; k < r_cnt; k++) {
2631	qla8044_rd_reg_indirect(vha, addr: r_addr, data: &r_value);
2632	*data_ptr++ = r_value;
2633	r_addr += r_stride;
2634	}
2635	qid += q_hdr->q_strd.queue_id_stride;
2636	}
2637	*d_ptr = data_ptr;
2638	}
2639
2640	/* ISP83xx functions to process new minidump entries... */
2641	static uint32_t
2642	qla8044_minidump_process_pollrd(struct scsi_qla_host *vha,
2643	struct qla8044_minidump_entry_hdr *entry_hdr,
2644	uint32_t **d_ptr)
2645	{
2646	uint32_t r_addr, s_addr, s_value, r_value, poll_wait, poll_mask;
2647	uint16_t s_stride, i;
2648	struct qla8044_minidump_entry_pollrd *pollrd_hdr;
2649	uint32_t *data_ptr = *d_ptr;
2650
2651	pollrd_hdr = (struct qla8044_minidump_entry_pollrd *) entry_hdr;
2652	s_addr = pollrd_hdr->select_addr;
2653	r_addr = pollrd_hdr->read_addr;
2654	s_value = pollrd_hdr->select_value;
2655	s_stride = pollrd_hdr->select_value_stride;
2656
2657	poll_wait = pollrd_hdr->poll_wait;
2658	poll_mask = pollrd_hdr->poll_mask;
2659
2660	for (i = 0; i < pollrd_hdr->op_count; i++) {
2661	qla8044_wr_reg_indirect(vha, addr: s_addr, data: s_value);
2662	poll_wait = pollrd_hdr->poll_wait;
2663	while (1) {
2664	qla8044_rd_reg_indirect(vha, addr: s_addr, data: &r_value);
2665	if ((r_value & poll_mask) != 0) {
2666	break;
2667	} else {
2668	usleep_range(min: 1000, max: 1100);
2669	if (--poll_wait == 0) {
2670	ql_log(ql_log_fatal, vha, 0xb0fe,
2671	fmt: "%s: TIMEOUT\n", __func__);
2672	goto error;
2673	}
2674	}
2675	}
2676	qla8044_rd_reg_indirect(vha, addr: r_addr, data: &r_value);
2677	*data_ptr++ = s_value;
2678	*data_ptr++ = r_value;
2679
2680	s_value += s_stride;
2681	}
2682	*d_ptr = data_ptr;
2683	return QLA_SUCCESS;
2684
2685	error:
2686	return QLA_FUNCTION_FAILED;
2687	}
2688
2689	static void
2690	qla8044_minidump_process_rdmux2(struct scsi_qla_host *vha,
2691	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2692	{
2693	uint32_t sel_val1, sel_val2, t_sel_val, data, i;
2694	uint32_t sel_addr1, sel_addr2, sel_val_mask, read_addr;
2695	struct qla8044_minidump_entry_rdmux2 *rdmux2_hdr;
2696	uint32_t *data_ptr = *d_ptr;
2697
2698	rdmux2_hdr = (struct qla8044_minidump_entry_rdmux2 *) entry_hdr;
2699	sel_val1 = rdmux2_hdr->select_value_1;
2700	sel_val2 = rdmux2_hdr->select_value_2;
2701	sel_addr1 = rdmux2_hdr->select_addr_1;
2702	sel_addr2 = rdmux2_hdr->select_addr_2;
2703	sel_val_mask = rdmux2_hdr->select_value_mask;
2704	read_addr = rdmux2_hdr->read_addr;
2705
2706	for (i = 0; i < rdmux2_hdr->op_count; i++) {
2707	qla8044_wr_reg_indirect(vha, addr: sel_addr1, data: sel_val1);
2708	t_sel_val = sel_val1 & sel_val_mask;
2709	*data_ptr++ = t_sel_val;
2710
2711	qla8044_wr_reg_indirect(vha, addr: sel_addr2, data: t_sel_val);
2712	qla8044_rd_reg_indirect(vha, addr: read_addr, data: &data);
2713
2714	*data_ptr++ = data;
2715
2716	qla8044_wr_reg_indirect(vha, addr: sel_addr1, data: sel_val2);
2717	t_sel_val = sel_val2 & sel_val_mask;
2718	*data_ptr++ = t_sel_val;
2719
2720	qla8044_wr_reg_indirect(vha, addr: sel_addr2, data: t_sel_val);
2721	qla8044_rd_reg_indirect(vha, addr: read_addr, data: &data);
2722
2723	*data_ptr++ = data;
2724
2725	sel_val1 += rdmux2_hdr->select_value_stride;
2726	sel_val2 += rdmux2_hdr->select_value_stride;
2727	}
2728
2729	*d_ptr = data_ptr;
2730	}
2731
2732	static uint32_t
2733	qla8044_minidump_process_pollrdmwr(struct scsi_qla_host *vha,
2734	struct qla8044_minidump_entry_hdr *entry_hdr,
2735	uint32_t **d_ptr)
2736	{
2737	uint32_t poll_wait, poll_mask, r_value, data;
2738	uint32_t addr_1, addr_2, value_1, value_2;
2739	struct qla8044_minidump_entry_pollrdmwr *poll_hdr;
2740	uint32_t *data_ptr = *d_ptr;
2741
2742	poll_hdr = (struct qla8044_minidump_entry_pollrdmwr *) entry_hdr;
2743	addr_1 = poll_hdr->addr_1;
2744	addr_2 = poll_hdr->addr_2;
2745	value_1 = poll_hdr->value_1;
2746	value_2 = poll_hdr->value_2;
2747	poll_mask = poll_hdr->poll_mask;
2748
2749	qla8044_wr_reg_indirect(vha, addr: addr_1, data: value_1);
2750
2751	poll_wait = poll_hdr->poll_wait;
2752	while (1) {
2753	qla8044_rd_reg_indirect(vha, addr: addr_1, data: &r_value);
2754
2755	if ((r_value & poll_mask) != 0) {
2756	break;
2757	} else {
2758	usleep_range(min: 1000, max: 1100);
2759	if (--poll_wait == 0) {
2760	ql_log(ql_log_fatal, vha, 0xb0ff,
2761	fmt: "%s: TIMEOUT\n", __func__);
2762	goto error;
2763	}
2764	}
2765	}
2766
2767	qla8044_rd_reg_indirect(vha, addr: addr_2, data: &data);
2768	data &= poll_hdr->modify_mask;
2769	qla8044_wr_reg_indirect(vha, addr: addr_2, data);
2770	qla8044_wr_reg_indirect(vha, addr: addr_1, data: value_2);
2771
2772	poll_wait = poll_hdr->poll_wait;
2773	while (1) {
2774	qla8044_rd_reg_indirect(vha, addr: addr_1, data: &r_value);
2775
2776	if ((r_value & poll_mask) != 0) {
2777	break;
2778	} else {
2779	usleep_range(min: 1000, max: 1100);
2780	if (--poll_wait == 0) {
2781	ql_log(ql_log_fatal, vha, 0xb100,
2782	fmt: "%s: TIMEOUT2\n", __func__);
2783	goto error;
2784	}
2785	}
2786	}
2787
2788	*data_ptr++ = addr_2;
2789	*data_ptr++ = data;
2790
2791	*d_ptr = data_ptr;
2792
2793	return QLA_SUCCESS;
2794
2795	error:
2796	return QLA_FUNCTION_FAILED;
2797	}
2798
2799	#define ISP8044_PEX_DMA_ENGINE_INDEX 8
2800	#define ISP8044_PEX_DMA_BASE_ADDRESS 0x77320000
2801	#define ISP8044_PEX_DMA_NUM_OFFSET 0x10000UL
2802	#define ISP8044_PEX_DMA_CMD_ADDR_LOW 0x0
2803	#define ISP8044_PEX_DMA_CMD_ADDR_HIGH 0x04
2804	#define ISP8044_PEX_DMA_CMD_STS_AND_CNTRL 0x08
2805
2806	#define ISP8044_PEX_DMA_READ_SIZE (16 * 1024)
2807	#define ISP8044_PEX_DMA_MAX_WAIT (100 * 100) /* Max wait of 100 msecs */
2808
2809	static int
2810	qla8044_check_dma_engine_state(struct scsi_qla_host *vha)
2811	{
2812	struct qla_hw_data *ha = vha->hw;
2813	int rval = QLA_SUCCESS;
2814	uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0;
2815	uint64_t dma_base_addr = 0;
2816	struct qla8044_minidump_template_hdr *tmplt_hdr = NULL;
2817
2818	tmplt_hdr = ha->md_tmplt_hdr;
2819	dma_eng_num =
2820	tmplt_hdr->saved_state_array[ISP8044_PEX_DMA_ENGINE_INDEX];
2821	dma_base_addr = ISP8044_PEX_DMA_BASE_ADDRESS +
2822	(dma_eng_num * ISP8044_PEX_DMA_NUM_OFFSET);
2823
2824	/* Read the pex-dma's command-status-and-control register. */
2825	rval = qla8044_rd_reg_indirect(vha,
2826	addr: (dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL),
2827	data: &cmd_sts_and_cntrl);
2828	if (rval)
2829	return QLA_FUNCTION_FAILED;
2830
2831	/* Check if requested pex-dma engine is available. */
2832	if (cmd_sts_and_cntrl & BIT_31)
2833	return QLA_SUCCESS;
2834
2835	return QLA_FUNCTION_FAILED;
2836	}
2837
2838	static int
2839	qla8044_start_pex_dma(struct scsi_qla_host *vha,
2840	struct qla8044_minidump_entry_rdmem_pex_dma *m_hdr)
2841	{
2842	struct qla_hw_data *ha = vha->hw;
2843	int rval = QLA_SUCCESS, wait = 0;
2844	uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0;
2845	uint64_t dma_base_addr = 0;
2846	struct qla8044_minidump_template_hdr *tmplt_hdr = NULL;
2847
2848	tmplt_hdr = ha->md_tmplt_hdr;
2849	dma_eng_num =
2850	tmplt_hdr->saved_state_array[ISP8044_PEX_DMA_ENGINE_INDEX];
2851	dma_base_addr = ISP8044_PEX_DMA_BASE_ADDRESS +
2852	(dma_eng_num * ISP8044_PEX_DMA_NUM_OFFSET);
2853
2854	rval = qla8044_wr_reg_indirect(vha,
2855	addr: dma_base_addr + ISP8044_PEX_DMA_CMD_ADDR_LOW,
2856	data: m_hdr->desc_card_addr);
2857	if (rval)
2858	goto error_exit;
2859
2860	rval = qla8044_wr_reg_indirect(vha,
2861	addr: dma_base_addr + ISP8044_PEX_DMA_CMD_ADDR_HIGH, data: 0);
2862	if (rval)
2863	goto error_exit;
2864
2865	rval = qla8044_wr_reg_indirect(vha,
2866	addr: dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL,
2867	data: m_hdr->start_dma_cmd);
2868	if (rval)
2869	goto error_exit;
2870
2871	/* Wait for dma operation to complete. */
2872	for (wait = 0; wait < ISP8044_PEX_DMA_MAX_WAIT; wait++) {
2873	rval = qla8044_rd_reg_indirect(vha,
2874	addr: (dma_base_addr + ISP8044_PEX_DMA_CMD_STS_AND_CNTRL),
2875	data: &cmd_sts_and_cntrl);
2876	if (rval)
2877	goto error_exit;
2878
2879	if ((cmd_sts_and_cntrl & BIT_1) == 0)
2880	break;
2881
2882	udelay(usec: 10);
2883	}
2884
2885	/* Wait a max of 100 ms, otherwise fallback to rdmem entry read */
2886	if (wait >= ISP8044_PEX_DMA_MAX_WAIT) {
2887	rval = QLA_FUNCTION_FAILED;
2888	goto error_exit;
2889	}
2890
2891	error_exit:
2892	return rval;
2893	}
2894
2895	static int
2896	qla8044_minidump_pex_dma_read(struct scsi_qla_host *vha,
2897	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2898	{
2899	struct qla_hw_data *ha = vha->hw;
2900	int rval = QLA_SUCCESS;
2901	struct qla8044_minidump_entry_rdmem_pex_dma *m_hdr = NULL;
2902	uint32_t chunk_size, read_size;
2903	uint8_t *data_ptr = (uint8_t *)*d_ptr;
2904	void *rdmem_buffer = NULL;
2905	dma_addr_t rdmem_dma;
2906	struct qla8044_pex_dma_descriptor dma_desc;
2907
2908	rval = qla8044_check_dma_engine_state(vha);
2909	if (rval != QLA_SUCCESS) {
2910	ql_dbg(ql_dbg_p3p, vha, 0xb147,
2911	fmt: "DMA engine not available. Fallback to rdmem-read.\n");
2912	return QLA_FUNCTION_FAILED;
2913	}
2914
2915	m_hdr = (void *)entry_hdr;
2916
2917	rdmem_buffer = dma_alloc_coherent(dev: &ha->pdev->dev,
2918	ISP8044_PEX_DMA_READ_SIZE, dma_handle: &rdmem_dma, GFP_KERNEL);
2919	if (!rdmem_buffer) {
2920	ql_dbg(ql_dbg_p3p, vha, 0xb148,
2921	fmt: "Unable to allocate rdmem dma buffer\n");
2922	return QLA_FUNCTION_FAILED;
2923	}
2924
2925	/* Prepare pex-dma descriptor to be written to MS memory. */
2926	/* dma-desc-cmd layout:
2927	* 0-3: dma-desc-cmd 0-3
2928	* 4-7: pcid function number
2929	* 8-15: dma-desc-cmd 8-15
2930	* dma_bus_addr: dma buffer address
2931	* cmd.read_data_size: amount of data-chunk to be read.
2932	*/
2933	dma_desc.cmd.dma_desc_cmd = (m_hdr->dma_desc_cmd & 0xff0f);
2934	dma_desc.cmd.dma_desc_cmd |=
2935	((PCI_FUNC(ha->pdev->devfn) & 0xf) << 0x4);
2936
2937	dma_desc.dma_bus_addr = rdmem_dma;
2938	dma_desc.cmd.read_data_size = chunk_size = ISP8044_PEX_DMA_READ_SIZE;
2939	read_size = 0;
2940
2941	/*
2942	* Perform rdmem operation using pex-dma.
2943	* Prepare dma in chunks of ISP8044_PEX_DMA_READ_SIZE.
2944	*/
2945	while (read_size < m_hdr->read_data_size) {
2946	if (m_hdr->read_data_size - read_size <
2947	ISP8044_PEX_DMA_READ_SIZE) {
2948	chunk_size = (m_hdr->read_data_size - read_size);
2949	dma_desc.cmd.read_data_size = chunk_size;
2950	}
2951
2952	dma_desc.src_addr = m_hdr->read_addr + read_size;
2953
2954	/* Prepare: Write pex-dma descriptor to MS memory. */
2955	rval = qla8044_ms_mem_write_128b(vha,
2956	addr: m_hdr->desc_card_addr, data: (uint32_t *)&dma_desc,
2957	count: (sizeof(struct qla8044_pex_dma_descriptor)/16));
2958	if (rval) {
2959	ql_log(ql_log_warn, vha, 0xb14a,
2960	fmt: "%s: Error writing rdmem-dma-init to MS !!!\n",
2961	__func__);
2962	goto error_exit;
2963	}
2964	ql_dbg(ql_dbg_p3p, vha, 0xb14b,
2965	fmt: "%s: Dma-descriptor: Instruct for rdmem dma "
2966	"(chunk_size 0x%x).\n", __func__, chunk_size);
2967
2968	/* Execute: Start pex-dma operation. */
2969	rval = qla8044_start_pex_dma(vha, m_hdr);
2970	if (rval)
2971	goto error_exit;
2972
2973	memcpy(data_ptr, rdmem_buffer, chunk_size);
2974	data_ptr += chunk_size;
2975	read_size += chunk_size;
2976	}
2977
2978	*d_ptr = (uint32_t *)data_ptr;
2979
2980	error_exit:
2981	if (rdmem_buffer)
2982	dma_free_coherent(dev: &ha->pdev->dev, ISP8044_PEX_DMA_READ_SIZE,
2983	cpu_addr: rdmem_buffer, dma_handle: rdmem_dma);
2984
2985	return rval;
2986	}
2987
2988	static uint32_t
2989	qla8044_minidump_process_rddfe(struct scsi_qla_host *vha,
2990	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
2991	{
2992	int loop_cnt;
2993	uint32_t addr1, addr2, value, data, temp, wrVal;
2994	uint8_t stride, stride2;
2995	uint16_t count;
2996	uint32_t poll, mask, modify_mask;
2997	uint32_t wait_count = 0;
2998	uint32_t *data_ptr = *d_ptr;
2999	struct qla8044_minidump_entry_rddfe *rddfe;
3000
3001	rddfe = (struct qla8044_minidump_entry_rddfe *) entry_hdr;
3002
3003	addr1 = rddfe->addr_1;
3004	value = rddfe->value;
3005	stride = rddfe->stride;
3006	stride2 = rddfe->stride2;
3007	count = rddfe->count;
3008
3009	poll = rddfe->poll;
3010	mask = rddfe->mask;
3011	modify_mask = rddfe->modify_mask;
3012
3013	addr2 = addr1 + stride;
3014
3015	for (loop_cnt = 0x0; loop_cnt < count; loop_cnt++) {
3016	qla8044_wr_reg_indirect(vha, addr: addr1, data: (0x40000000 | value));
3017
3018	wait_count = 0;
3019	while (wait_count < poll) {
3020	qla8044_rd_reg_indirect(vha, addr: addr1, data: &temp);
3021	if ((temp & mask) != 0)
3022	break;
3023	wait_count++;
3024	}
3025
3026	if (wait_count == poll) {
3027	ql_log(ql_log_warn, vha, 0xb153,
3028	fmt: "%s: TIMEOUT\n", __func__);
3029	goto error;
3030	} else {
3031	qla8044_rd_reg_indirect(vha, addr: addr2, data: &temp);
3032	temp = temp & modify_mask;
3033	temp = (temp | ((loop_cnt << 16) | loop_cnt));
3034	wrVal = ((temp << 16) | temp);
3035
3036	qla8044_wr_reg_indirect(vha, addr: addr2, data: wrVal);
3037	qla8044_wr_reg_indirect(vha, addr: addr1, data: value);
3038
3039	wait_count = 0;
3040	while (wait_count < poll) {
3041	qla8044_rd_reg_indirect(vha, addr: addr1, data: &temp);
3042	if ((temp & mask) != 0)
3043	break;
3044	wait_count++;
3045	}
3046	if (wait_count == poll) {
3047	ql_log(ql_log_warn, vha, 0xb154,
3048	fmt: "%s: TIMEOUT\n", __func__);
3049	goto error;
3050	}
3051
3052	qla8044_wr_reg_indirect(vha, addr: addr1,
3053	data: ((0x40000000 | value) + stride2));
3054	wait_count = 0;
3055	while (wait_count < poll) {
3056	qla8044_rd_reg_indirect(vha, addr: addr1, data: &temp);
3057	if ((temp & mask) != 0)
3058	break;
3059	wait_count++;
3060	}
3061
3062	if (wait_count == poll) {
3063	ql_log(ql_log_warn, vha, 0xb155,
3064	fmt: "%s: TIMEOUT\n", __func__);
3065	goto error;
3066	}
3067
3068	qla8044_rd_reg_indirect(vha, addr: addr2, data: &data);
3069
3070	*data_ptr++ = wrVal;
3071	*data_ptr++ = data;
3072	}
3073
3074	}
3075
3076	*d_ptr = data_ptr;
3077	return QLA_SUCCESS;
3078
3079	error:
3080	return -1;
3081
3082	}
3083
3084	static uint32_t
3085	qla8044_minidump_process_rdmdio(struct scsi_qla_host *vha,
3086	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
3087	{
3088	int ret = 0;
3089	uint32_t addr1, addr2, value1, value2, data, selVal;
3090	uint8_t stride1, stride2;
3091	uint32_t addr3, addr4, addr5, addr6, addr7;
3092	uint16_t count, loop_cnt;
3093	uint32_t mask;
3094	uint32_t *data_ptr = *d_ptr;
3095
3096	struct qla8044_minidump_entry_rdmdio *rdmdio;
3097
3098	rdmdio = (struct qla8044_minidump_entry_rdmdio *) entry_hdr;
3099
3100	addr1 = rdmdio->addr_1;
3101	addr2 = rdmdio->addr_2;
3102	value1 = rdmdio->value_1;
3103	stride1 = rdmdio->stride_1;
3104	stride2 = rdmdio->stride_2;
3105	count = rdmdio->count;
3106
3107	mask = rdmdio->mask;
3108	value2 = rdmdio->value_2;
3109
3110	addr3 = addr1 + stride1;
3111
3112	for (loop_cnt = 0; loop_cnt < count; loop_cnt++) {
3113	ret = qla8044_poll_wait_ipmdio_bus_idle(vha, addr1, addr2,
3114	addr3, mask);
3115	if (ret == -1)
3116	goto error;
3117
3118	addr4 = addr2 - stride1;
3119	ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask, addr: addr4,
3120	value: value2);
3121	if (ret == -1)
3122	goto error;
3123
3124	addr5 = addr2 - (2 * stride1);
3125	ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask, addr: addr5,
3126	value: value1);
3127	if (ret == -1)
3128	goto error;
3129
3130	addr6 = addr2 - (3 * stride1);
3131	ret = qla8044_ipmdio_wr_reg(vha, addr1, addr3, mask,
3132	addr: addr6, value: 0x2);
3133	if (ret == -1)
3134	goto error;
3135
3136	ret = qla8044_poll_wait_ipmdio_bus_idle(vha, addr1, addr2,
3137	addr3, mask);
3138	if (ret == -1)
3139	goto error;
3140
3141	addr7 = addr2 - (4 * stride1);
3142	data = qla8044_ipmdio_rd_reg(vha, addr1, addr3, mask, addr: addr7);
3143	if (data == -1)
3144	goto error;
3145
3146	selVal = (value2 << 18) | (value1 << 2) | 2;
3147
3148	stride2 = rdmdio->stride_2;
3149	*data_ptr++ = selVal;
3150	*data_ptr++ = data;
3151
3152	value1 = value1 + stride2;
3153	*d_ptr = data_ptr;
3154	}
3155
3156	return 0;
3157
3158	error:
3159	return -1;
3160	}
3161
3162	static uint32_t qla8044_minidump_process_pollwr(struct scsi_qla_host *vha,
3163	struct qla8044_minidump_entry_hdr *entry_hdr, uint32_t **d_ptr)
3164	{
3165	uint32_t addr1, addr2, value1, value2, poll, r_value;
3166	uint32_t wait_count = 0;
3167	struct qla8044_minidump_entry_pollwr *pollwr_hdr;
3168
3169	pollwr_hdr = (struct qla8044_minidump_entry_pollwr *)entry_hdr;
3170	addr1 = pollwr_hdr->addr_1;
3171	addr2 = pollwr_hdr->addr_2;
3172	value1 = pollwr_hdr->value_1;
3173	value2 = pollwr_hdr->value_2;
3174
3175	poll = pollwr_hdr->poll;
3176
3177	while (wait_count < poll) {
3178	qla8044_rd_reg_indirect(vha, addr: addr1, data: &r_value);
3179
3180	if ((r_value & poll) != 0)
3181	break;
3182	wait_count++;
3183	}
3184
3185	if (wait_count == poll) {
3186	ql_log(ql_log_warn, vha, 0xb156, fmt: "%s: TIMEOUT\n", __func__);
3187	goto error;
3188	}
3189
3190	qla8044_wr_reg_indirect(vha, addr: addr2, data: value2);
3191	qla8044_wr_reg_indirect(vha, addr: addr1, data: value1);
3192
3193	wait_count = 0;
3194	while (wait_count < poll) {
3195	qla8044_rd_reg_indirect(vha, addr: addr1, data: &r_value);
3196
3197	if ((r_value & poll) != 0)
3198	break;
3199	wait_count++;
3200	}
3201
3202	return QLA_SUCCESS;
3203
3204	error:
3205	return -1;
3206	}
3207
3208	/*
3209	*
3210	* qla8044_collect_md_data - Retrieve firmware minidump data.
3211	* @ha: pointer to adapter structure
3212	**/
3213	int
3214	qla8044_collect_md_data(struct scsi_qla_host *vha)
3215	{
3216	int num_entry_hdr = 0;
3217	struct qla8044_minidump_entry_hdr *entry_hdr;
3218	struct qla8044_minidump_template_hdr *tmplt_hdr;
3219	uint32_t *data_ptr;
3220	uint32_t data_collected = 0, f_capture_mask;
3221	int i, rval = QLA_FUNCTION_FAILED;
3222	uint64_t now;
3223	uint32_t timestamp, idc_control;
3224	struct qla_hw_data *ha = vha->hw;
3225
3226	if (!ha->md_dump) {
3227	ql_log(ql_log_info, vha, 0xb101,
3228	fmt: "%s(%ld) No buffer to dump\n",
3229	__func__, vha->host_no);
3230	return rval;
3231	}
3232
3233	if (ha->fw_dumped) {
3234	ql_log(ql_log_warn, vha, 0xb10d,
3235	fmt: "Firmware has been previously dumped (%p) "
3236	"-- ignoring request.\n", ha->fw_dump);
3237	goto md_failed;
3238	}
3239
3240	ha->fw_dumped = false;
3241
3242	if (!ha->md_tmplt_hdr || !ha->md_dump) {
3243	ql_log(ql_log_warn, vha, 0xb10e,
3244	fmt: "Memory not allocated for minidump capture\n");
3245	goto md_failed;
3246	}
3247
3248	qla8044_idc_lock(ha);
3249	idc_control = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
3250	if (idc_control & GRACEFUL_RESET_BIT1) {
3251	ql_log(ql_log_warn, vha, 0xb112,
3252	fmt: "Forced reset from application, "
3253	"ignore minidump capture\n");
3254	qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
3255	val: (idc_control & ~GRACEFUL_RESET_BIT1));
3256	qla8044_idc_unlock(ha);
3257
3258	goto md_failed;
3259	}
3260	qla8044_idc_unlock(ha);
3261
3262	if (qla82xx_validate_template_chksum(vha)) {
3263	ql_log(ql_log_info, vha, 0xb109,
3264	fmt: "Template checksum validation error\n");
3265	goto md_failed;
3266	}
3267
3268	tmplt_hdr = (struct qla8044_minidump_template_hdr *)
3269	ha->md_tmplt_hdr;
3270	data_ptr = (uint32_t *)((uint8_t *)ha->md_dump);
3271	num_entry_hdr = tmplt_hdr->num_of_entries;
3272
3273	ql_dbg(ql_dbg_p3p, vha, 0xb11a,
3274	fmt: "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
3275
3276	f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
3277
3278	/* Validate whether required debug level is set */
3279	if ((f_capture_mask & 0x3) != 0x3) {
3280	ql_log(ql_log_warn, vha, 0xb10f,
3281	fmt: "Minimum required capture mask[0x%x] level not set\n",
3282	f_capture_mask);
3283
3284	}
3285	tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
3286	ql_log(ql_log_info, vha, 0xb102,
3287	fmt: "[%s]: starting data ptr: %p\n",
3288	__func__, data_ptr);
3289	ql_log(ql_log_info, vha, 0xb10b,
3290	fmt: "[%s]: no of entry headers in Template: 0x%x\n",
3291	__func__, num_entry_hdr);
3292	ql_log(ql_log_info, vha, 0xb10c,
3293	fmt: "[%s]: Total_data_size 0x%x, %d obtained\n",
3294	__func__, ha->md_dump_size, ha->md_dump_size);
3295
3296	/* Update current timestamp before taking dump */
3297	now = get_jiffies_64();
3298	timestamp = (u32)(jiffies_to_msecs(j: now) / 1000);
3299	tmplt_hdr->driver_timestamp = timestamp;
3300
3301	entry_hdr = (struct qla8044_minidump_entry_hdr *)
3302	(((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
3303	tmplt_hdr->saved_state_array[QLA8044_SS_OCM_WNDREG_INDEX] =
3304	tmplt_hdr->ocm_window_reg[ha->portnum];
3305
3306	/* Walk through the entry headers - validate/perform required action */
3307	for (i = 0; i < num_entry_hdr; i++) {
3308	if (data_collected > ha->md_dump_size) {
3309	ql_log(ql_log_info, vha, 0xb103,
3310	fmt: "Data collected: [0x%x], "
3311	"Total Dump size: [0x%x]\n",
3312	data_collected, ha->md_dump_size);
3313	return rval;
3314	}
3315
3316	if (!(entry_hdr->d_ctrl.entry_capture_mask &
3317	ql2xmdcapmask)) {
3318	entry_hdr->d_ctrl.driver_flags |=
3319	QLA82XX_DBG_SKIPPED_FLAG;
3320	goto skip_nxt_entry;
3321	}
3322
3323	ql_dbg(ql_dbg_p3p, vha, 0xb104,
3324	fmt: "Data collected: [0x%x], Dump size left:[0x%x]\n",
3325	data_collected,
3326	(ha->md_dump_size - data_collected));
3327
3328	/* Decode the entry type and take required action to capture
3329	* debug data
3330	*/
3331	switch (entry_hdr->entry_type) {
3332	case QLA82XX_RDEND:
3333	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3334	break;
3335	case QLA82XX_CNTRL:
3336	rval = qla8044_minidump_process_control(vha,
3337	entry_hdr);
3338	if (rval != QLA_SUCCESS) {
3339	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3340	goto md_failed;
3341	}
3342	break;
3343	case QLA82XX_RDCRB:
3344	qla8044_minidump_process_rdcrb(vha,
3345	entry_hdr, d_ptr: &data_ptr);
3346	break;
3347	case QLA82XX_RDMEM:
3348	rval = qla8044_minidump_pex_dma_read(vha,
3349	entry_hdr, d_ptr: &data_ptr);
3350	if (rval != QLA_SUCCESS) {
3351	rval = qla8044_minidump_process_rdmem(vha,
3352	entry_hdr, d_ptr: &data_ptr);
3353	if (rval != QLA_SUCCESS) {
3354	qla8044_mark_entry_skipped(vha,
3355	entry_hdr, index: i);
3356	goto md_failed;
3357	}
3358	}
3359	break;
3360	case QLA82XX_BOARD:
3361	case QLA82XX_RDROM:
3362	rval = qla8044_minidump_process_rdrom(vha,
3363	entry_hdr, d_ptr: &data_ptr);
3364	if (rval != QLA_SUCCESS) {
3365	qla8044_mark_entry_skipped(vha,
3366	entry_hdr, index: i);
3367	}
3368	break;
3369	case QLA82XX_L2DTG:
3370	case QLA82XX_L2ITG:
3371	case QLA82XX_L2DAT:
3372	case QLA82XX_L2INS:
3373	rval = qla8044_minidump_process_l2tag(vha,
3374	entry_hdr, d_ptr: &data_ptr);
3375	if (rval != QLA_SUCCESS) {
3376	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3377	goto md_failed;
3378	}
3379	break;
3380	case QLA8044_L1DTG:
3381	case QLA8044_L1ITG:
3382	case QLA82XX_L1DAT:
3383	case QLA82XX_L1INS:
3384	qla8044_minidump_process_l1cache(vha,
3385	entry_hdr, d_ptr: &data_ptr);
3386	break;
3387	case QLA82XX_RDOCM:
3388	qla8044_minidump_process_rdocm(vha,
3389	entry_hdr, d_ptr: &data_ptr);
3390	break;
3391	case QLA82XX_RDMUX:
3392	qla8044_minidump_process_rdmux(vha,
3393	entry_hdr, d_ptr: &data_ptr);
3394	break;
3395	case QLA82XX_QUEUE:
3396	qla8044_minidump_process_queue(vha,
3397	entry_hdr, d_ptr: &data_ptr);
3398	break;
3399	case QLA8044_POLLRD:
3400	rval = qla8044_minidump_process_pollrd(vha,
3401	entry_hdr, d_ptr: &data_ptr);
3402	if (rval != QLA_SUCCESS)
3403	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3404	break;
3405	case QLA8044_RDMUX2:
3406	qla8044_minidump_process_rdmux2(vha,
3407	entry_hdr, d_ptr: &data_ptr);
3408	break;
3409	case QLA8044_POLLRDMWR:
3410	rval = qla8044_minidump_process_pollrdmwr(vha,
3411	entry_hdr, d_ptr: &data_ptr);
3412	if (rval != QLA_SUCCESS)
3413	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3414	break;
3415	case QLA8044_RDDFE:
3416	rval = qla8044_minidump_process_rddfe(vha, entry_hdr,
3417	d_ptr: &data_ptr);
3418	if (rval != QLA_SUCCESS)
3419	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3420	break;
3421	case QLA8044_RDMDIO:
3422	rval = qla8044_minidump_process_rdmdio(vha, entry_hdr,
3423	d_ptr: &data_ptr);
3424	if (rval != QLA_SUCCESS)
3425	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3426	break;
3427	case QLA8044_POLLWR:
3428	rval = qla8044_minidump_process_pollwr(vha, entry_hdr,
3429	d_ptr: &data_ptr);
3430	if (rval != QLA_SUCCESS)
3431	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3432	break;
3433	case QLA82XX_RDNOP:
3434	default:
3435	qla8044_mark_entry_skipped(vha, entry_hdr, index: i);
3436	break;
3437	}
3438
3439	data_collected = (uint8_t *)data_ptr -
3440	(uint8_t *)((uint8_t *)ha->md_dump);
3441	skip_nxt_entry:
3442	/*
3443	* next entry in the template
3444	*/
3445	entry_hdr = (struct qla8044_minidump_entry_hdr *)
3446	(((uint8_t *)entry_hdr) + entry_hdr->entry_size);
3447	}
3448
3449	if (data_collected != ha->md_dump_size) {
3450	ql_log(ql_log_info, vha, 0xb105,
3451	fmt: "Dump data mismatch: Data collected: "
3452	"[0x%x], total_data_size:[0x%x]\n",
3453	data_collected, ha->md_dump_size);
3454	rval = QLA_FUNCTION_FAILED;
3455	goto md_failed;
3456	}
3457
3458	ql_log(ql_log_info, vha, 0xb110,
3459	fmt: "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
3460	vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
3461	ha->fw_dumped = true;
3462	qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
3463
3464
3465	ql_log(ql_log_info, vha, 0xb106,
3466	fmt: "Leaving fn: %s Last entry: 0x%x\n",
3467	__func__, i);
3468	md_failed:
3469	return rval;
3470	}
3471
3472	void
3473	qla8044_get_minidump(struct scsi_qla_host *vha)
3474	{
3475	struct qla_hw_data *ha = vha->hw;
3476
3477	if (!qla8044_collect_md_data(vha)) {
3478	ha->fw_dumped = true;
3479	ha->prev_minidump_failed = 0;
3480	} else {
3481	ql_log(ql_log_fatal, vha, 0xb0db,
3482	fmt: "%s: Unable to collect minidump\n",
3483	__func__);
3484	ha->prev_minidump_failed = 1;
3485	}
3486	}
3487
3488	static int
3489	qla8044_poll_flash_status_reg(struct scsi_qla_host *vha)
3490	{
3491	uint32_t flash_status;
3492	int retries = QLA8044_FLASH_READ_RETRY_COUNT;
3493	int ret_val = QLA_SUCCESS;
3494
3495	while (retries--) {
3496	ret_val = qla8044_rd_reg_indirect(vha, QLA8044_FLASH_STATUS,
3497	data: &flash_status);
3498	if (ret_val) {
3499	ql_log(ql_log_warn, vha, 0xb13c,
3500	fmt: "%s: Failed to read FLASH_STATUS reg.\n",
3501	__func__);
3502	break;
3503	}
3504	if ((flash_status & QLA8044_FLASH_STATUS_READY) ==
3505	QLA8044_FLASH_STATUS_READY)
3506	break;
3507	msleep(QLA8044_FLASH_STATUS_REG_POLL_DELAY);
3508	}
3509
3510	if (!retries)
3511	ret_val = QLA_FUNCTION_FAILED;
3512
3513	return ret_val;
3514	}
3515
3516	static int
3517	qla8044_write_flash_status_reg(struct scsi_qla_host *vha,
3518	uint32_t data)
3519	{
3520	int ret_val = QLA_SUCCESS;
3521	uint32_t cmd;
3522
3523	cmd = vha->hw->fdt_wrt_sts_reg_cmd;
3524
3525	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3526	QLA8044_FLASH_STATUS_WRITE_DEF_SIG | cmd);
3527	if (ret_val) {
3528	ql_log(ql_log_warn, vha, 0xb125,
3529	fmt: "%s: Failed to write to FLASH_ADDR.\n", __func__);
3530	goto exit_func;
3531	}
3532
3533	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, data);
3534	if (ret_val) {
3535	ql_log(ql_log_warn, vha, 0xb126,
3536	fmt: "%s: Failed to write to FLASH_WRDATA.\n", __func__);
3537	goto exit_func;
3538	}
3539
3540	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
3541	QLA8044_FLASH_SECOND_ERASE_MS_VAL);
3542	if (ret_val) {
3543	ql_log(ql_log_warn, vha, 0xb127,
3544	fmt: "%s: Failed to write to FLASH_CONTROL.\n", __func__);
3545	goto exit_func;
3546	}
3547
3548	ret_val = qla8044_poll_flash_status_reg(vha);
3549	if (ret_val)
3550	ql_log(ql_log_warn, vha, 0xb128,
3551	fmt: "%s: Error polling flash status reg.\n", __func__);
3552
3553	exit_func:
3554	return ret_val;
3555	}
3556
3557	/*
3558	* This function assumes that the flash lock is held.
3559	*/
3560	static int
3561	qla8044_unprotect_flash(scsi_qla_host_t *vha)
3562	{
3563	int ret_val;
3564	struct qla_hw_data *ha = vha->hw;
3565
3566	ret_val = qla8044_write_flash_status_reg(vha, data: ha->fdt_wrt_enable);
3567	if (ret_val)
3568	ql_log(ql_log_warn, vha, 0xb139,
3569	fmt: "%s: Write flash status failed.\n", __func__);
3570
3571	return ret_val;
3572	}
3573
3574	/*
3575	* This function assumes that the flash lock is held.
3576	*/
3577	static int
3578	qla8044_protect_flash(scsi_qla_host_t *vha)
3579	{
3580	int ret_val;
3581	struct qla_hw_data *ha = vha->hw;
3582
3583	ret_val = qla8044_write_flash_status_reg(vha, data: ha->fdt_wrt_disable);
3584	if (ret_val)
3585	ql_log(ql_log_warn, vha, 0xb13b,
3586	fmt: "%s: Write flash status failed.\n", __func__);
3587
3588	return ret_val;
3589	}
3590
3591
3592	static int
3593	qla8044_erase_flash_sector(struct scsi_qla_host *vha,
3594	uint32_t sector_start_addr)
3595	{
3596	uint32_t reversed_addr;
3597	int ret_val = QLA_SUCCESS;
3598
3599	ret_val = qla8044_poll_flash_status_reg(vha);
3600	if (ret_val) {
3601	ql_log(ql_log_warn, vha, 0xb12e,
3602	fmt: "%s: Poll flash status after erase failed..\n", __func__);
3603	}
3604
3605	reversed_addr = (((sector_start_addr & 0xFF) << 16) |
3606	(sector_start_addr & 0xFF00) |
3607	((sector_start_addr & 0xFF0000) >> 16));
3608
3609	ret_val = qla8044_wr_reg_indirect(vha,
3610	QLA8044_FLASH_WRDATA, data: reversed_addr);
3611	if (ret_val) {
3612	ql_log(ql_log_warn, vha, 0xb12f,
3613	fmt: "%s: Failed to write to FLASH_WRDATA.\n", __func__);
3614	}
3615	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3616	QLA8044_FLASH_ERASE_SIG | vha->hw->fdt_erase_cmd);
3617	if (ret_val) {
3618	ql_log(ql_log_warn, vha, 0xb130,
3619	fmt: "%s: Failed to write to FLASH_ADDR.\n", __func__);
3620	}
3621	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
3622	QLA8044_FLASH_LAST_ERASE_MS_VAL);
3623	if (ret_val) {
3624	ql_log(ql_log_warn, vha, 0xb131,
3625	fmt: "%s: Failed write to FLASH_CONTROL.\n", __func__);
3626	}
3627	ret_val = qla8044_poll_flash_status_reg(vha);
3628	if (ret_val) {
3629	ql_log(ql_log_warn, vha, 0xb132,
3630	fmt: "%s: Poll flash status failed.\n", __func__);
3631	}
3632
3633
3634	return ret_val;
3635	}
3636
3637	/*
3638	* qla8044_flash_write_u32 - Write data to flash
3639	*
3640	* @ha : Pointer to adapter structure
3641	* addr : Flash address to write to
3642	* p_data : Data to be written
3643	*
3644	* Return Value - QLA_SUCCESS/QLA_FUNCTION_FAILED
3645	*
3646	* NOTE: Lock should be held on entry
3647	*/
3648	static int
3649	qla8044_flash_write_u32(struct scsi_qla_host *vha, uint32_t addr,
3650	uint32_t *p_data)
3651	{
3652	int ret_val = QLA_SUCCESS;
3653
3654	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3655	data: 0x00800000 | (addr >> 2));
3656	if (ret_val) {
3657	ql_log(ql_log_warn, vha, 0xb134,
3658	fmt: "%s: Failed write to FLASH_ADDR.\n", __func__);
3659	goto exit_func;
3660	}
3661	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, data: *p_data);
3662	if (ret_val) {
3663	ql_log(ql_log_warn, vha, 0xb135,
3664	fmt: "%s: Failed write to FLASH_WRDATA.\n", __func__);
3665	goto exit_func;
3666	}
3667	ret_val = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL, data: 0x3D);
3668	if (ret_val) {
3669	ql_log(ql_log_warn, vha, 0xb136,
3670	fmt: "%s: Failed write to FLASH_CONTROL.\n", __func__);
3671	goto exit_func;
3672	}
3673	ret_val = qla8044_poll_flash_status_reg(vha);
3674	if (ret_val) {
3675	ql_log(ql_log_warn, vha, 0xb137,
3676	fmt: "%s: Poll flash status failed.\n", __func__);
3677	}
3678
3679	exit_func:
3680	return ret_val;
3681	}
3682
3683	static int
3684	qla8044_write_flash_buffer_mode(scsi_qla_host_t *vha, uint32_t *dwptr,
3685	uint32_t faddr, uint32_t dwords)
3686	{
3687	int ret = QLA_FUNCTION_FAILED;
3688	uint32_t spi_val;
3689
3690	if (dwords < QLA8044_MIN_OPTROM_BURST_DWORDS ||
3691	dwords > QLA8044_MAX_OPTROM_BURST_DWORDS) {
3692	ql_dbg(ql_dbg_user, vha, 0xb123,
3693	fmt: "Got unsupported dwords = 0x%x.\n",
3694	dwords);
3695	return QLA_FUNCTION_FAILED;
3696	}
3697
3698	qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL, data: &spi_val);
3699	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
3700	data: spi_val | QLA8044_FLASH_SPI_CTL);
3701	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3702	QLA8044_FLASH_FIRST_TEMP_VAL);
3703
3704	/* First DWORD write to FLASH_WRDATA */
3705	ret = qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA,
3706	data: *dwptr++);
3707	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
3708	QLA8044_FLASH_FIRST_MS_PATTERN);
3709
3710	ret = qla8044_poll_flash_status_reg(vha);
3711	if (ret) {
3712	ql_log(ql_log_warn, vha, 0xb124,
3713	fmt: "%s: Failed.\n", __func__);
3714	goto exit_func;
3715	}
3716
3717	dwords--;
3718
3719	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3720	QLA8044_FLASH_SECOND_TEMP_VAL);
3721
3722
3723	/* Second to N-1 DWORDS writes */
3724	while (dwords != 1) {
3725	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, data: *dwptr++);
3726	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
3727	QLA8044_FLASH_SECOND_MS_PATTERN);
3728	ret = qla8044_poll_flash_status_reg(vha);
3729	if (ret) {
3730	ql_log(ql_log_warn, vha, 0xb129,
3731	fmt: "%s: Failed.\n", __func__);
3732	goto exit_func;
3733	}
3734	dwords--;
3735	}
3736
3737	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_ADDR,
3738	QLA8044_FLASH_FIRST_TEMP_VAL | (faddr >> 2));
3739
3740	/* Last DWORD write */
3741	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_WRDATA, data: *dwptr++);
3742	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_CONTROL,
3743	QLA8044_FLASH_LAST_MS_PATTERN);
3744	ret = qla8044_poll_flash_status_reg(vha);
3745	if (ret) {
3746	ql_log(ql_log_warn, vha, 0xb12a,
3747	fmt: "%s: Failed.\n", __func__);
3748	goto exit_func;
3749	}
3750	qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_STATUS, data: &spi_val);
3751
3752	if ((spi_val & QLA8044_FLASH_SPI_CTL) == QLA8044_FLASH_SPI_CTL) {
3753	ql_log(ql_log_warn, vha, 0xb12b,
3754	fmt: "%s: Failed.\n", __func__);
3755	spi_val = 0;
3756	/* Operation failed, clear error bit. */
3757	qla8044_rd_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
3758	data: &spi_val);
3759	qla8044_wr_reg_indirect(vha, QLA8044_FLASH_SPI_CONTROL,
3760	data: spi_val | QLA8044_FLASH_SPI_CTL);
3761	}
3762	exit_func:
3763	return ret;
3764	}
3765
3766	static int
3767	qla8044_write_flash_dword_mode(scsi_qla_host_t *vha, uint32_t *dwptr,
3768	uint32_t faddr, uint32_t dwords)
3769	{
3770	int ret = QLA_FUNCTION_FAILED;
3771	uint32_t liter;
3772
3773	for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
3774	ret = qla8044_flash_write_u32(vha, addr: faddr, p_data: dwptr);
3775	if (ret) {
3776	ql_dbg(ql_dbg_p3p, vha, 0xb141,
3777	fmt: "%s: flash address=%x data=%x.\n", __func__,
3778	faddr, *dwptr);
3779	break;
3780	}
3781	}
3782
3783	return ret;
3784	}
3785
3786	int
3787	qla8044_write_optrom_data(struct scsi_qla_host *vha, void *buf,
3788	uint32_t offset, uint32_t length)
3789	{
3790	int rval = QLA_FUNCTION_FAILED, i, burst_iter_count;
3791	int dword_count, erase_sec_count;
3792	uint32_t erase_offset;
3793	uint8_t *p_cache, *p_src;
3794
3795	erase_offset = offset;
3796
3797	p_cache = kcalloc(length, sizeof(uint8_t), GFP_KERNEL);
3798	if (!p_cache)
3799	return QLA_FUNCTION_FAILED;
3800
3801	memcpy(p_cache, buf, length);
3802	p_src = p_cache;
3803	dword_count = length / sizeof(uint32_t);
3804	/* Since the offset and legth are sector aligned, it will be always
3805	* multiple of burst_iter_count (64)
3806	*/
3807	burst_iter_count = dword_count / QLA8044_MAX_OPTROM_BURST_DWORDS;
3808	erase_sec_count = length / QLA8044_SECTOR_SIZE;
3809
3810	/* Suspend HBA. */
3811	scsi_block_requests(vha->host);
3812	/* Lock and enable write for whole operation. */
3813	qla8044_flash_lock(vha);
3814	qla8044_unprotect_flash(vha);
3815
3816	/* Erasing the sectors */
3817	for (i = 0; i < erase_sec_count; i++) {
3818	rval = qla8044_erase_flash_sector(vha, sector_start_addr: erase_offset);
3819	ql_dbg(ql_dbg_user, vha, 0xb138,
3820	fmt: "Done erase of sector=0x%x.\n",
3821	erase_offset);
3822	if (rval) {
3823	ql_log(ql_log_warn, vha, 0xb121,
3824	fmt: "Failed to erase the sector having address: "
3825	"0x%x.\n", erase_offset);
3826	goto out;
3827	}
3828	erase_offset += QLA8044_SECTOR_SIZE;
3829	}
3830	ql_dbg(ql_dbg_user, vha, 0xb13f,
3831	fmt: "Got write for addr = 0x%x length=0x%x.\n",
3832	offset, length);
3833
3834	for (i = 0; i < burst_iter_count; i++) {
3835
3836	/* Go with write. */
3837	rval = qla8044_write_flash_buffer_mode(vha, dwptr: (uint32_t *)p_src,
3838	faddr: offset, QLA8044_MAX_OPTROM_BURST_DWORDS);
3839	if (rval) {
3840	/* Buffer Mode failed skip to dword mode */
3841	ql_log(ql_log_warn, vha, 0xb122,
3842	fmt: "Failed to write flash in buffer mode, "
3843	"Reverting to slow-write.\n");
3844	rval = qla8044_write_flash_dword_mode(vha,
3845	dwptr: (uint32_t *)p_src, faddr: offset,
3846	QLA8044_MAX_OPTROM_BURST_DWORDS);
3847	}
3848	p_src += sizeof(uint32_t) * QLA8044_MAX_OPTROM_BURST_DWORDS;
3849	offset += sizeof(uint32_t) * QLA8044_MAX_OPTROM_BURST_DWORDS;
3850	}
3851	ql_dbg(ql_dbg_user, vha, 0xb133,
3852	fmt: "Done writing.\n");
3853
3854	out:
3855	qla8044_protect_flash(vha);
3856	qla8044_flash_unlock(vha);
3857	scsi_unblock_requests(vha->host);
3858	kfree(objp: p_cache);
3859
3860	return rval;
3861	}
3862
3863	#define LEG_INT_PTR_B31 (1 << 31)
3864	#define LEG_INT_PTR_B30 (1 << 30)
3865	#define PF_BITS_MASK (0xF << 16)
3866	/**
3867	* qla8044_intr_handler() - Process interrupts for the ISP8044
3868	* @irq: interrupt number
3869	* @dev_id: SCSI driver HA context
3870	*
3871	* Called by system whenever the host adapter generates an interrupt.
3872	*
3873	* Returns handled flag.
3874	*/
3875	irqreturn_t
3876	qla8044_intr_handler(int irq, void *dev_id)
3877	{
3878	scsi_qla_host_t *vha;
3879	struct qla_hw_data *ha;
3880	struct rsp_que *rsp;
3881	struct device_reg_82xx __iomem *reg;
3882	int status = 0;
3883	unsigned long flags;
3884	unsigned long iter;
3885	uint32_t stat;
3886	uint16_t mb[8];
3887	uint32_t leg_int_ptr = 0, pf_bit;
3888
3889	rsp = (struct rsp_que *) dev_id;
3890	if (!rsp) {
3891	ql_log(ql_log_info, NULL, 0xb143,
3892	fmt: "%s(): NULL response queue pointer\n", __func__);
3893	return IRQ_NONE;
3894	}
3895	ha = rsp->hw;
3896	vha = pci_get_drvdata(pdev: ha->pdev);
3897
3898	if (unlikely(pci_channel_offline(ha->pdev)))
3899	return IRQ_HANDLED;
3900
3901	leg_int_ptr = qla8044_rd_reg(ha, LEG_INTR_PTR_OFFSET);
3902
3903	/* Legacy interrupt is valid if bit31 of leg_int_ptr is set */
3904	if (!(leg_int_ptr & (LEG_INT_PTR_B31))) {
3905	ql_dbg(ql_dbg_p3p, vha, 0xb144,
3906	fmt: "%s: Legacy Interrupt Bit 31 not set, "
3907	"spurious interrupt!\n", __func__);
3908	return IRQ_NONE;
3909	}
3910
3911	pf_bit = ha->portnum << 16;
3912	/* Validate the PCIE function ID set in leg_int_ptr bits [19..16] */
3913	if ((leg_int_ptr & (PF_BITS_MASK)) != pf_bit) {
3914	ql_dbg(ql_dbg_p3p, vha, 0xb145,
3915	fmt: "%s: Incorrect function ID 0x%x in "
3916	"legacy interrupt register, "
3917	"ha->pf_bit = 0x%x\n", __func__,
3918	(leg_int_ptr & (PF_BITS_MASK)), pf_bit);
3919	return IRQ_NONE;
3920	}
3921
3922	/* To de-assert legacy interrupt, write 0 to Legacy Interrupt Trigger
3923	* Control register and poll till Legacy Interrupt Pointer register
3924	* bit32 is 0.
3925	*/
3926	qla8044_wr_reg(ha, LEG_INTR_TRIG_OFFSET, val: 0);
3927	do {
3928	leg_int_ptr = qla8044_rd_reg(ha, LEG_INTR_PTR_OFFSET);
3929	if ((leg_int_ptr & (PF_BITS_MASK)) != pf_bit)
3930	break;
3931	} while (leg_int_ptr & (LEG_INT_PTR_B30));
3932
3933	reg = &ha->iobase->isp82;
3934	spin_lock_irqsave(&ha->hardware_lock, flags);
3935	for (iter = 1; iter--; ) {
3936
3937	if (rd_reg_dword(addr: &reg->host_int)) {
3938	stat = rd_reg_dword(addr: &reg->host_status);
3939	if ((stat & HSRX_RISC_INT) == 0)
3940	break;
3941
3942	switch (stat & 0xff) {
3943	case 0x1:
3944	case 0x2:
3945	case 0x10:
3946	case 0x11:
3947	qla82xx_mbx_completion(vha, MSW(stat));
3948	status |= MBX_INTERRUPT;
3949	break;
3950	case 0x12:
3951	mb[0] = MSW(stat);
3952	mb[1] = rd_reg_word(addr: &reg->mailbox_out[1]);
3953	mb[2] = rd_reg_word(addr: &reg->mailbox_out[2]);
3954	mb[3] = rd_reg_word(addr: &reg->mailbox_out[3]);
3955	qla2x00_async_event(vha, rsp, mb);
3956	break;
3957	case 0x13:
3958	qla24xx_process_response_queue(vha, rsp);
3959	break;
3960	default:
3961	ql_dbg(ql_dbg_p3p, vha, 0xb146,
3962	fmt: "Unrecognized interrupt type "
3963	"(%d).\n", stat & 0xff);
3964	break;
3965	}
3966	}
3967	wrt_reg_dword(addr: &reg->host_int, data: 0);
3968	}
3969
3970	qla2x00_handle_mbx_completion(ha, status);
3971	spin_unlock_irqrestore(lock: &ha->hardware_lock, flags);
3972
3973	return IRQ_HANDLED;
3974	}
3975
3976	static int
3977	qla8044_idc_dontreset(struct qla_hw_data *ha)
3978	{
3979	uint32_t idc_ctrl;
3980
3981	idc_ctrl = qla8044_rd_reg(ha, QLA8044_IDC_DRV_CTRL);
3982	return idc_ctrl & DONTRESET_BIT0;
3983	}
3984
3985	static void
3986	qla8044_clear_rst_ready(scsi_qla_host_t *vha)
3987	{
3988	uint32_t drv_state;
3989
3990	drv_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX);
3991
3992	/*
3993	* For ISP8044, drv_active register has 1 bit per function,
3994	* shift 1 by func_num to set a bit for the function.
3995	* For ISP82xx, drv_active has 4 bits per function
3996	*/
3997	drv_state &= ~(1 << vha->hw->portnum);
3998
3999	ql_dbg(ql_dbg_p3p, vha, 0xb13d,
4000	fmt: "drv_state: 0x%08x\n", drv_state);
4001	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DRV_STATE_INDEX, value: drv_state);
4002	}
4003
4004	int
4005	qla8044_abort_isp(scsi_qla_host_t *vha)
4006	{
4007	int rval;
4008	uint32_t dev_state;
4009	struct qla_hw_data *ha = vha->hw;
4010
4011	qla8044_idc_lock(ha);
4012	dev_state = qla8044_rd_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX);
4013
4014	if (ql2xdontresethba)
4015	qla8044_set_idc_dontreset(vha);
4016
4017	/* If device_state is NEED_RESET, go ahead with
4018	* Reset,irrespective of ql2xdontresethba. This is to allow a
4019	* non-reset-owner to force a reset. Non-reset-owner sets
4020	* the IDC_CTRL BIT0 to prevent Reset-owner from doing a Reset
4021	* and then forces a Reset by setting device_state to
4022	* NEED_RESET. */
4023	if (dev_state == QLA8XXX_DEV_READY) {
4024	/* If IDC_CTRL DONTRESETHBA_BIT0 is set don't do reset
4025	* recovery */
4026	if (qla8044_idc_dontreset(ha) == DONTRESET_BIT0) {
4027	ql_dbg(ql_dbg_p3p, vha, 0xb13e,
4028	fmt: "Reset recovery disabled\n");
4029	rval = QLA_FUNCTION_FAILED;
4030	goto exit_isp_reset;
4031	}
4032
4033	ql_dbg(ql_dbg_p3p, vha, 0xb140,
4034	fmt: "HW State: NEED RESET\n");
4035	qla8044_wr_direct(vha, crb_reg: QLA8044_CRB_DEV_STATE_INDEX,
4036	value: QLA8XXX_DEV_NEED_RESET);
4037	}
4038
4039	/* For ISP8044, Reset owner is NIC, iSCSI or FCOE based on priority
4040	* and which drivers are present. Unlike ISP82XX, the function setting
4041	* NEED_RESET, may not be the Reset owner. */
4042	qla83xx_reset_ownership(vha);
4043
4044	qla8044_idc_unlock(ha);
4045	rval = qla8044_device_state_handler(vha);
4046	qla8044_idc_lock(ha);
4047	qla8044_clear_rst_ready(vha);
4048
4049	exit_isp_reset:
4050	qla8044_idc_unlock(ha);
4051	if (rval == QLA_SUCCESS) {
4052	ha->flags.isp82xx_fw_hung = 0;
4053	ha->flags.nic_core_reset_hdlr_active = 0;
4054	rval = qla82xx_restart_isp(vha);
4055	}
4056
4057	return rval;
4058	}
4059
4060	void
4061	qla8044_fw_dump(scsi_qla_host_t *vha)
4062	{
4063	struct qla_hw_data *ha = vha->hw;
4064
4065	if (!ha->allow_cna_fw_dump)
4066	return;
4067
4068	scsi_block_requests(vha->host);
4069	ha->flags.isp82xx_no_md_cap = 1;
4070	qla8044_idc_lock(ha);
4071	qla82xx_set_reset_owner(vha);
4072	qla8044_idc_unlock(ha);
4073	qla2x00_wait_for_chip_reset(vha);
4074	scsi_unblock_requests(vha->host);
4075	}
4076