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v6.8
  1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
  2/* QLogic qed NIC Driver
  3 * Copyright (c) 2015-2017  QLogic Corporation
  4 * Copyright (c) 2019-2020 Marvell International Ltd.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  5 */
  6
  7#include <linux/types.h>
  8#include <linux/io.h>
  9#include <linux/delay.h>
 10#include <linux/errno.h>
 11#include <linux/kernel.h>
 12#include <linux/slab.h>
 13#include <linux/string.h>
 14#include "qed.h"
 15#include "qed_hsi.h"
 16#include "qed_hw.h"
 17#include "qed_init_ops.h"
 18#include "qed_iro_hsi.h"
 19#include "qed_reg_addr.h"
 20#include "qed_sriov.h"
 21
 22#define QED_INIT_MAX_POLL_COUNT 100
 23#define QED_INIT_POLL_PERIOD_US 500
 24
 25static u32 pxp_global_win[] = {
 26	0,
 27	0,
 28	0x1c02, /* win 2: addr=0x1c02000, size=4096 bytes */
 29	0x1c80, /* win 3: addr=0x1c80000, size=4096 bytes */
 30	0x1d00, /* win 4: addr=0x1d00000, size=4096 bytes */
 31	0x1d01, /* win 5: addr=0x1d01000, size=4096 bytes */
 32	0x1d02, /* win 6: addr=0x1d02000, size=4096 bytes */
 33	0x1d80, /* win 7: addr=0x1d80000, size=4096 bytes */
 34	0x1d81, /* win 8: addr=0x1d81000, size=4096 bytes */
 35	0x1d82, /* win 9: addr=0x1d82000, size=4096 bytes */
 36	0x1e00, /* win 10: addr=0x1e00000, size=4096 bytes */
 37	0x1e01, /* win 11: addr=0x1e01000, size=4096 bytes */
 38	0x1e80, /* win 12: addr=0x1e80000, size=4096 bytes */
 39	0x1f00, /* win 13: addr=0x1f00000, size=4096 bytes */
 40	0x1c08, /* win 14: addr=0x1c08000, size=4096 bytes */
 41	0,
 42	0,
 43	0,
 44	0,
 45};
 46
 47/* IRO Array */
 48static const u32 iro_arr[] = {
 49	0x00000000, 0x00000000, 0x00080000,
 50	0x00004478, 0x00000008, 0x00080000,
 51	0x00003288, 0x00000088, 0x00880000,
 52	0x000058a8, 0x00000020, 0x00200000,
 53	0x00003188, 0x00000008, 0x00080000,
 54	0x00000b00, 0x00000008, 0x00040000,
 55	0x00000a80, 0x00000008, 0x00040000,
 56	0x00000000, 0x00000008, 0x00020000,
 57	0x00000080, 0x00000008, 0x00040000,
 58	0x00000084, 0x00000008, 0x00020000,
 59	0x00005798, 0x00000004, 0x00040000,
 60	0x00004e50, 0x00000000, 0x00780000,
 61	0x00003e40, 0x00000000, 0x00780000,
 62	0x00004500, 0x00000000, 0x00780000,
 63	0x00003210, 0x00000000, 0x00780000,
 64	0x00003b50, 0x00000000, 0x00780000,
 65	0x00007f58, 0x00000000, 0x00780000,
 66	0x00005fd8, 0x00000000, 0x00080000,
 67	0x00007100, 0x00000000, 0x00080000,
 68	0x0000af20, 0x00000000, 0x00080000,
 69	0x00004398, 0x00000000, 0x00080000,
 70	0x0000a5a0, 0x00000000, 0x00080000,
 71	0x0000bde8, 0x00000000, 0x00080000,
 72	0x00000020, 0x00000004, 0x00040000,
 73	0x00005688, 0x00000010, 0x00100000,
 74	0x0000c210, 0x00000030, 0x00300000,
 75	0x0000b108, 0x00000038, 0x00380000,
 76	0x00003d20, 0x00000080, 0x00400000,
 77	0x0000bf60, 0x00000000, 0x00040000,
 78	0x00004560, 0x00040080, 0x00040000,
 79	0x000001f8, 0x00000004, 0x00040000,
 80	0x00003d60, 0x00000080, 0x00200000,
 81	0x00008960, 0x00000040, 0x00300000,
 82	0x0000e840, 0x00000060, 0x00600000,
 83	0x00004698, 0x00000080, 0x00380000,
 84	0x000107b8, 0x000000c0, 0x00c00000,
 85	0x000001f8, 0x00000002, 0x00020000,
 86	0x0000a260, 0x00000000, 0x01080000,
 87	0x0000a368, 0x00000008, 0x00080000,
 88	0x000001c0, 0x00000008, 0x00080000,
 89	0x000001f8, 0x00000008, 0x00080000,
 90	0x00000ac0, 0x00000008, 0x00080000,
 91	0x00002578, 0x00000008, 0x00080000,
 92	0x000024f8, 0x00000008, 0x00080000,
 93	0x00000280, 0x00000008, 0x00080000,
 94	0x00000680, 0x00080018, 0x00080000,
 95	0x00000b78, 0x00080018, 0x00020000,
 96	0x0000c600, 0x00000058, 0x003c0000,
 97	0x00012038, 0x00000020, 0x00100000,
 98	0x00011b00, 0x00000048, 0x00180000,
 99	0x00009650, 0x00000050, 0x00200000,
100	0x00008b10, 0x00000040, 0x00280000,
101	0x000116c0, 0x00000018, 0x00100000,
102	0x0000c808, 0x00000048, 0x00380000,
103	0x00011790, 0x00000020, 0x00200000,
104	0x000046d0, 0x00000080, 0x00100000,
105	0x00003618, 0x00000010, 0x00100000,
106	0x0000a9e8, 0x00000008, 0x00010000,
107	0x000097a0, 0x00000008, 0x00010000,
108	0x00011a10, 0x00000008, 0x00010000,
109	0x0000e9f8, 0x00000008, 0x00010000,
110	0x00012648, 0x00000008, 0x00010000,
111	0x000121c8, 0x00000008, 0x00010000,
112	0x0000af08, 0x00000030, 0x00100000,
113	0x0000d748, 0x00000028, 0x00280000,
114	0x00009e68, 0x00000018, 0x00180000,
115	0x00009fe8, 0x00000008, 0x00080000,
116	0x00013ea8, 0x00000008, 0x00080000,
117	0x00012f18, 0x00000018, 0x00180000,
118	0x0000dfe8, 0x00500288, 0x00100000,
119	0x000131a0, 0x00000138, 0x00280000,
120};
121
122void qed_init_iro_array(struct qed_dev *cdev)
123{
124	cdev->iro_arr = iro_arr + E4_IRO_ARR_OFFSET;
125}
126
127void qed_init_store_rt_reg(struct qed_hwfn *p_hwfn, u32 rt_offset, u32 val)
 
128{
129	if (rt_offset >= RUNTIME_ARRAY_SIZE) {
130		DP_ERR(p_hwfn,
131		       "Avoid storing %u in rt_data at index %u!\n",
132		       val, rt_offset);
133		return;
134	}
135
 
 
136	p_hwfn->rt_data.init_val[rt_offset] = val;
137	p_hwfn->rt_data.b_valid[rt_offset] = true;
138}
139
140void qed_init_store_rt_agg(struct qed_hwfn *p_hwfn,
141			   u32 rt_offset, u32 *p_val, size_t size)
142{
143	size_t i;
144
145	if ((rt_offset + size - 1) >= RUNTIME_ARRAY_SIZE) {
146		DP_ERR(p_hwfn,
147		       "Avoid storing values in rt_data at indices %u-%u!\n",
148		       rt_offset,
149		       (u32)(rt_offset + size - 1));
150		return;
151	}
152
153	for (i = 0; i < size / sizeof(u32); i++) {
154		p_hwfn->rt_data.init_val[rt_offset + i] = p_val[i];
155		p_hwfn->rt_data.b_valid[rt_offset + i]	= true;
156	}
157}
158
159static int qed_init_rt(struct qed_hwfn	*p_hwfn,
160		       struct qed_ptt *p_ptt,
161		       u32 addr, u16 rt_offset, u16 size, bool b_must_dmae)
162{
163	u32 *p_init_val = &p_hwfn->rt_data.init_val[rt_offset];
164	bool *p_valid = &p_hwfn->rt_data.b_valid[rt_offset];
165	u16 i, j, segment;
166	int rc = 0;
167
168	/* Since not all RT entries are initialized, go over the RT and
169	 * for each segment of initialized values use DMA.
170	 */
171	for (i = 0; i < size; i++) {
172		if (!p_valid[i])
173			continue;
174
175		/* In case there isn't any wide-bus configuration here,
176		 * simply write the data instead of using dmae.
177		 */
178		if (!b_must_dmae) {
179			qed_wr(p_hwfn, p_ptt, addr + (i << 2), p_init_val[i]);
180			p_valid[i] = false;
181			continue;
182		}
183
184		/* Start of a new segment */
185		for (segment = 1; i + segment < size; segment++)
186			if (!p_valid[i + segment])
187				break;
188
189		rc = qed_dmae_host2grc(p_hwfn, p_ptt,
190				       (uintptr_t)(p_init_val + i),
191				       addr + (i << 2), segment, NULL);
192		if (rc)
193			return rc;
194
195		/* invalidate after writing */
196		for (j = i; j < (u32)(i + segment); j++)
197			p_valid[j] = false;
198
199		/* Jump over the entire segment, including invalid entry */
200		i += segment;
201	}
202
203	return rc;
204}
205
206int qed_init_alloc(struct qed_hwfn *p_hwfn)
207{
208	struct qed_rt_data *rt_data = &p_hwfn->rt_data;
209
210	if (IS_VF(p_hwfn->cdev))
211		return 0;
212
213	rt_data->b_valid = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(bool),
214				   GFP_KERNEL);
215	if (!rt_data->b_valid)
216		return -ENOMEM;
217
218	rt_data->init_val = kcalloc(RUNTIME_ARRAY_SIZE, sizeof(u32),
219				    GFP_KERNEL);
220	if (!rt_data->init_val) {
221		kfree(rt_data->b_valid);
222		rt_data->b_valid = NULL;
223		return -ENOMEM;
224	}
225
226	return 0;
227}
228
229void qed_init_free(struct qed_hwfn *p_hwfn)
230{
231	kfree(p_hwfn->rt_data.init_val);
232	p_hwfn->rt_data.init_val = NULL;
233	kfree(p_hwfn->rt_data.b_valid);
234	p_hwfn->rt_data.b_valid = NULL;
235}
236
237static int qed_init_array_dmae(struct qed_hwfn *p_hwfn,
238			       struct qed_ptt *p_ptt,
239			       u32 addr,
240			       u32 dmae_data_offset,
241			       u32 size,
242			       const u32 *buf,
243			       bool b_must_dmae,
244			       bool b_can_dmae)
245{
246	int rc = 0;
247
248	/* Perform DMAE only for lengthy enough sections or for wide-bus */
249	if (!b_can_dmae || (!b_must_dmae && (size < 16))) {
250		const u32 *data = buf + dmae_data_offset;
251		u32 i;
252
253		for (i = 0; i < size; i++)
254			qed_wr(p_hwfn, p_ptt, addr + (i << 2), data[i]);
255	} else {
256		rc = qed_dmae_host2grc(p_hwfn, p_ptt,
257				       (uintptr_t)(buf + dmae_data_offset),
258				       addr, size, NULL);
259	}
260
261	return rc;
262}
263
264static int qed_init_fill_dmae(struct qed_hwfn *p_hwfn,
265			      struct qed_ptt *p_ptt,
266			      u32 addr, u32 fill_count)
267{
268	static u32 zero_buffer[DMAE_MAX_RW_SIZE];
269	struct qed_dmae_params params = {};
270
271	memset(zero_buffer, 0, sizeof(u32) * DMAE_MAX_RW_SIZE);
272
273	/* invoke the DMAE virtual/physical buffer API with
274	 * 1. DMAE init channel
275	 * 2. addr,
276	 * 3. p_hwfb->temp_data,
277	 * 4. fill_count
278	 */
279	SET_FIELD(params.flags, QED_DMAE_PARAMS_RW_REPL_SRC, 0x1);
280	return qed_dmae_host2grc(p_hwfn, p_ptt,
281				 (uintptr_t)(&zero_buffer[0]),
282				 addr, fill_count, &params);
283}
284
285static void qed_init_fill(struct qed_hwfn *p_hwfn,
286			  struct qed_ptt *p_ptt,
287			  u32 addr, u32 fill, u32 fill_count)
288{
289	u32 i;
290
291	for (i = 0; i < fill_count; i++, addr += sizeof(u32))
292		qed_wr(p_hwfn, p_ptt, addr, fill);
293}
294
295static int qed_init_cmd_array(struct qed_hwfn *p_hwfn,
296			      struct qed_ptt *p_ptt,
297			      struct init_write_op *cmd,
298			      bool b_must_dmae, bool b_can_dmae)
299{
300	u32 dmae_array_offset = le32_to_cpu(cmd->args.array_offset);
301	u32 data = le32_to_cpu(cmd->data);
302	u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
303
304	u32 offset, output_len, input_len, max_size;
305	struct qed_dev *cdev = p_hwfn->cdev;
306	union init_array_hdr *hdr;
307	const u32 *array_data;
308	int rc = 0;
309	u32 size;
310
311	array_data = cdev->fw_data->arr_data;
312
313	hdr = (union init_array_hdr *)(array_data + dmae_array_offset);
314	data = le32_to_cpu(hdr->raw.data);
315	switch (GET_FIELD(data, INIT_ARRAY_RAW_HDR_TYPE)) {
316	case INIT_ARR_ZIPPED:
317		offset = dmae_array_offset + 1;
318		input_len = GET_FIELD(data,
319				      INIT_ARRAY_ZIPPED_HDR_ZIPPED_SIZE);
320		max_size = MAX_ZIPPED_SIZE * 4;
321		memset(p_hwfn->unzip_buf, 0, max_size);
322
323		output_len = qed_unzip_data(p_hwfn, input_len,
324					    (u8 *)&array_data[offset],
325					    max_size, (u8 *)p_hwfn->unzip_buf);
326		if (output_len) {
327			rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, 0,
328						 output_len,
329						 p_hwfn->unzip_buf,
330						 b_must_dmae, b_can_dmae);
331		} else {
332			DP_NOTICE(p_hwfn, "Failed to unzip dmae data\n");
333			rc = -EINVAL;
334		}
335		break;
336	case INIT_ARR_PATTERN:
337	{
338		u32 repeats = GET_FIELD(data,
339					INIT_ARRAY_PATTERN_HDR_REPETITIONS);
340		u32 i;
341
342		size = GET_FIELD(data, INIT_ARRAY_PATTERN_HDR_PATTERN_SIZE);
343
344		for (i = 0; i < repeats; i++, addr += size << 2) {
345			rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
346						 dmae_array_offset + 1,
347						 size, array_data,
348						 b_must_dmae, b_can_dmae);
349			if (rc)
350				break;
351		}
352		break;
353	}
354	case INIT_ARR_STANDARD:
355		size = GET_FIELD(data, INIT_ARRAY_STANDARD_HDR_SIZE);
356		rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
357					 dmae_array_offset + 1,
358					 size, array_data,
359					 b_must_dmae, b_can_dmae);
360		break;
361	}
362
363	return rc;
364}
365
366/* init_ops write command */
367static int qed_init_cmd_wr(struct qed_hwfn *p_hwfn,
368			   struct qed_ptt *p_ptt,
369			   struct init_write_op *p_cmd, bool b_can_dmae)
370{
371	u32 data = le32_to_cpu(p_cmd->data);
372	bool b_must_dmae = GET_FIELD(data, INIT_WRITE_OP_WIDE_BUS);
373	u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
374	union init_write_args *arg = &p_cmd->args;
375	int rc = 0;
376
377	/* Sanitize */
378	if (b_must_dmae && !b_can_dmae) {
379		DP_NOTICE(p_hwfn,
380			  "Need to write to %08x for Wide-bus but DMAE isn't allowed\n",
381			  addr);
382		return -EINVAL;
383	}
384
385	switch (GET_FIELD(data, INIT_WRITE_OP_SOURCE)) {
386	case INIT_SRC_INLINE:
387		data = le32_to_cpu(p_cmd->args.inline_val);
388		qed_wr(p_hwfn, p_ptt, addr, data);
389		break;
390	case INIT_SRC_ZEROS:
391		data = le32_to_cpu(p_cmd->args.zeros_count);
392		if (b_must_dmae || (b_can_dmae && (data >= 64)))
393			rc = qed_init_fill_dmae(p_hwfn, p_ptt, addr, data);
394		else
395			qed_init_fill(p_hwfn, p_ptt, addr, 0, data);
396		break;
397	case INIT_SRC_ARRAY:
398		rc = qed_init_cmd_array(p_hwfn, p_ptt, p_cmd,
399					b_must_dmae, b_can_dmae);
400		break;
401	case INIT_SRC_RUNTIME:
402		qed_init_rt(p_hwfn, p_ptt, addr,
403			    le16_to_cpu(arg->runtime.offset),
404			    le16_to_cpu(arg->runtime.size),
405			    b_must_dmae);
406		break;
407	}
408
409	return rc;
410}
411
412static inline bool comp_eq(u32 val, u32 expected_val)
413{
414	return val == expected_val;
415}
416
417static inline bool comp_and(u32 val, u32 expected_val)
418{
419	return (val & expected_val) == expected_val;
420}
421
422static inline bool comp_or(u32 val, u32 expected_val)
423{
424	return (val | expected_val) > 0;
425}
426
427/* init_ops read/poll commands */
428static void qed_init_cmd_rd(struct qed_hwfn *p_hwfn,
429			    struct qed_ptt *p_ptt, struct init_read_op *cmd)
430{
431	bool (*comp_check)(u32 val, u32 expected_val);
432	u32 delay = QED_INIT_POLL_PERIOD_US, val;
433	u32 data, addr, poll;
434	int i;
435
436	data = le32_to_cpu(cmd->op_data);
437	addr = GET_FIELD(data, INIT_READ_OP_ADDRESS) << 2;
438	poll = GET_FIELD(data, INIT_READ_OP_POLL_TYPE);
439
 
440	val = qed_rd(p_hwfn, p_ptt, addr);
441
442	if (poll == INIT_POLL_NONE)
443		return;
444
445	switch (poll) {
446	case INIT_POLL_EQ:
447		comp_check = comp_eq;
448		break;
449	case INIT_POLL_OR:
450		comp_check = comp_or;
451		break;
452	case INIT_POLL_AND:
453		comp_check = comp_and;
454		break;
455	default:
456		DP_ERR(p_hwfn, "Invalid poll comparison type %08x\n",
457		       cmd->op_data);
458		return;
459	}
460
461	data = le32_to_cpu(cmd->expected_val);
462	for (i = 0;
463	     i < QED_INIT_MAX_POLL_COUNT && !comp_check(val, data);
464	     i++) {
465		udelay(delay);
466		val = qed_rd(p_hwfn, p_ptt, addr);
467	}
468
469	if (i == QED_INIT_MAX_POLL_COUNT) {
470		DP_ERR(p_hwfn,
471		       "Timeout when polling reg: 0x%08x [ Waiting-for: %08x Got: %08x (comparison %08x)]\n",
472		       addr, le32_to_cpu(cmd->expected_val),
473		       val, le32_to_cpu(cmd->op_data));
474	}
475}
476
477/* init_ops callbacks entry point */
478static int qed_init_cmd_cb(struct qed_hwfn *p_hwfn,
479			   struct qed_ptt *p_ptt,
480			   struct init_callback_op *p_cmd)
481{
482	int rc;
483
484	switch (p_cmd->callback_id) {
485	case DMAE_READY_CB:
486		rc = qed_dmae_sanity(p_hwfn, p_ptt, "engine_phase");
487		break;
488	default:
489		DP_NOTICE(p_hwfn, "Unexpected init op callback ID %d\n",
490			  p_cmd->callback_id);
491		return -EINVAL;
492	}
493
494	return rc;
495}
496
497static u8 qed_init_cmd_mode_match(struct qed_hwfn *p_hwfn,
498				  u16 *p_offset, int modes)
499{
500	struct qed_dev *cdev = p_hwfn->cdev;
501	const u8 *modes_tree_buf;
502	u8 arg1, arg2, tree_val;
503
504	modes_tree_buf = cdev->fw_data->modes_tree_buf;
505	tree_val = modes_tree_buf[(*p_offset)++];
506	switch (tree_val) {
507	case INIT_MODE_OP_NOT:
508		return qed_init_cmd_mode_match(p_hwfn, p_offset, modes) ^ 1;
509	case INIT_MODE_OP_OR:
510		arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
511		arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
512		return arg1 | arg2;
513	case INIT_MODE_OP_AND:
514		arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
515		arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
516		return arg1 & arg2;
517	default:
518		tree_val -= MAX_INIT_MODE_OPS;
519		return (modes & BIT(tree_val)) ? 1 : 0;
520	}
521}
522
523static u32 qed_init_cmd_mode(struct qed_hwfn *p_hwfn,
524			     struct init_if_mode_op *p_cmd, int modes)
525{
526	u16 offset = le16_to_cpu(p_cmd->modes_buf_offset);
527
528	if (qed_init_cmd_mode_match(p_hwfn, &offset, modes))
529		return 0;
530	else
531		return GET_FIELD(le32_to_cpu(p_cmd->op_data),
532				 INIT_IF_MODE_OP_CMD_OFFSET);
533}
534
535static u32 qed_init_cmd_phase(struct init_if_phase_op *p_cmd,
 
536			      u32 phase, u32 phase_id)
537{
538	u32 data = le32_to_cpu(p_cmd->phase_data);
539	u32 op_data = le32_to_cpu(p_cmd->op_data);
540
541	if (!(GET_FIELD(data, INIT_IF_PHASE_OP_PHASE) == phase &&
542	      (GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == ANY_PHASE_ID ||
543	       GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == phase_id)))
544		return GET_FIELD(op_data, INIT_IF_PHASE_OP_CMD_OFFSET);
545	else
546		return 0;
547}
548
549int qed_init_run(struct qed_hwfn *p_hwfn,
550		 struct qed_ptt *p_ptt, int phase, int phase_id, int modes)
551{
552	bool b_dmae = (phase != PHASE_ENGINE);
553	struct qed_dev *cdev = p_hwfn->cdev;
554	u32 cmd_num, num_init_ops;
555	union init_op *init_ops;
 
556	int rc = 0;
557
558	num_init_ops = cdev->fw_data->init_ops_size;
559	init_ops = cdev->fw_data->init_ops;
560
561	p_hwfn->unzip_buf = kzalloc(MAX_ZIPPED_SIZE * 4, GFP_ATOMIC);
562	if (!p_hwfn->unzip_buf)
563		return -ENOMEM;
564
565	for (cmd_num = 0; cmd_num < num_init_ops; cmd_num++) {
566		union init_op *cmd = &init_ops[cmd_num];
567		u32 data = le32_to_cpu(cmd->raw.op_data);
568
569		switch (GET_FIELD(data, INIT_CALLBACK_OP_OP)) {
570		case INIT_OP_WRITE:
571			rc = qed_init_cmd_wr(p_hwfn, p_ptt, &cmd->write,
572					     b_dmae);
573			break;
574		case INIT_OP_READ:
575			qed_init_cmd_rd(p_hwfn, p_ptt, &cmd->read);
576			break;
577		case INIT_OP_IF_MODE:
578			cmd_num += qed_init_cmd_mode(p_hwfn, &cmd->if_mode,
579						     modes);
580			break;
581		case INIT_OP_IF_PHASE:
582			cmd_num += qed_init_cmd_phase(&cmd->if_phase,
583						      phase, phase_id);
 
584			break;
585		case INIT_OP_DELAY:
586			/* qed_init_run is always invoked from
587			 * sleep-able context
588			 */
589			udelay(le32_to_cpu(cmd->delay.delay));
590			break;
591
592		case INIT_OP_CALLBACK:
593			rc = qed_init_cmd_cb(p_hwfn, p_ptt, &cmd->callback);
594			if (phase == PHASE_ENGINE &&
595			    cmd->callback.callback_id == DMAE_READY_CB)
596				b_dmae = true;
597			break;
598		}
599
600		if (rc)
601			break;
602	}
603
604	kfree(p_hwfn->unzip_buf);
605	p_hwfn->unzip_buf = NULL;
606	return rc;
607}
608
609void qed_gtt_init(struct qed_hwfn *p_hwfn)
610{
611	u32 gtt_base;
612	u32 i;
613
614	/* Set the global windows */
615	gtt_base = PXP_PF_WINDOW_ADMIN_START + PXP_PF_WINDOW_ADMIN_GLOBAL_START;
616
617	for (i = 0; i < ARRAY_SIZE(pxp_global_win); i++)
618		if (pxp_global_win[i])
619			REG_WR(p_hwfn, gtt_base + i * PXP_GLOBAL_ENTRY_SIZE,
620			       pxp_global_win[i]);
621}
622
623int qed_init_fw_data(struct qed_dev *cdev, const u8 *data)
624{
625	struct qed_fw_data *fw = cdev->fw_data;
626	struct bin_buffer_hdr *buf_hdr;
627	u32 offset, len;
628
629	if (!data) {
630		DP_NOTICE(cdev, "Invalid fw data\n");
631		return -EINVAL;
632	}
633
634	/* First Dword contains metadata and should be skipped */
635	buf_hdr = (struct bin_buffer_hdr *)data;
636
637	offset = buf_hdr[BIN_BUF_INIT_FW_VER_INFO].offset;
638	fw->fw_ver_info = (struct fw_ver_info *)(data + offset);
639
640	offset = buf_hdr[BIN_BUF_INIT_CMD].offset;
641	fw->init_ops = (union init_op *)(data + offset);
642
643	offset = buf_hdr[BIN_BUF_INIT_VAL].offset;
644	fw->arr_data = (u32 *)(data + offset);
645
646	offset = buf_hdr[BIN_BUF_INIT_MODE_TREE].offset;
647	fw->modes_tree_buf = (u8 *)(data + offset);
648	len = buf_hdr[BIN_BUF_INIT_CMD].length;
649	fw->init_ops_size = len / sizeof(struct init_raw_op);
650
651	offset = buf_hdr[BIN_BUF_INIT_OVERLAYS].offset;
652	fw->fw_overlays = (u32 *)(data + offset);
653	len = buf_hdr[BIN_BUF_INIT_OVERLAYS].length;
654	fw->fw_overlays_len = len;
655
656	return 0;
657}
v4.17
 
  1/* QLogic qed NIC Driver
  2 * Copyright (c) 2015-2017  QLogic Corporation
  3 *
  4 * This software is available to you under a choice of one of two
  5 * licenses.  You may choose to be licensed under the terms of the GNU
  6 * General Public License (GPL) Version 2, available from the file
  7 * COPYING in the main directory of this source tree, or the
  8 * OpenIB.org BSD license below:
  9 *
 10 *     Redistribution and use in source and binary forms, with or
 11 *     without modification, are permitted provided that the following
 12 *     conditions are met:
 13 *
 14 *      - Redistributions of source code must retain the above
 15 *        copyright notice, this list of conditions and the following
 16 *        disclaimer.
 17 *
 18 *      - Redistributions in binary form must reproduce the above
 19 *        copyright notice, this list of conditions and the following
 20 *        disclaimer in the documentation and /or other materials
 21 *        provided with the distribution.
 22 *
 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 30 * SOFTWARE.
 31 */
 32
 33#include <linux/types.h>
 34#include <linux/io.h>
 35#include <linux/delay.h>
 36#include <linux/errno.h>
 37#include <linux/kernel.h>
 38#include <linux/slab.h>
 39#include <linux/string.h>
 40#include "qed.h"
 41#include "qed_hsi.h"
 42#include "qed_hw.h"
 43#include "qed_init_ops.h"
 
 44#include "qed_reg_addr.h"
 45#include "qed_sriov.h"
 46
 47#define QED_INIT_MAX_POLL_COUNT 100
 48#define QED_INIT_POLL_PERIOD_US 500
 49
 50static u32 pxp_global_win[] = {
 51	0,
 52	0,
 53	0x1c02, /* win 2: addr=0x1c02000, size=4096 bytes */
 54	0x1c80, /* win 3: addr=0x1c80000, size=4096 bytes */
 55	0x1d00, /* win 4: addr=0x1d00000, size=4096 bytes */
 56	0x1d01, /* win 5: addr=0x1d01000, size=4096 bytes */
 57	0x1d80, /* win 6: addr=0x1d80000, size=4096 bytes */
 58	0x1d81, /* win 7: addr=0x1d81000, size=4096 bytes */
 59	0x1d82, /* win 8: addr=0x1d82000, size=4096 bytes */
 60	0x1e00, /* win 9: addr=0x1e00000, size=4096 bytes */
 61	0x1e80, /* win 10: addr=0x1e80000, size=4096 bytes */
 62	0x1f00, /* win 11: addr=0x1f00000, size=4096 bytes */
 63	0,
 64	0,
 65	0,
 66	0,
 67	0,
 68	0,
 69	0,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 70};
 71
 72void qed_init_iro_array(struct qed_dev *cdev)
 73{
 74	cdev->iro_arr = iro_arr;
 75}
 76
 77/* Runtime configuration helpers */
 78void qed_init_clear_rt_data(struct qed_hwfn *p_hwfn)
 79{
 80	int i;
 81
 82	for (i = 0; i < RUNTIME_ARRAY_SIZE; i++)
 83		p_hwfn->rt_data.b_valid[i] = false;
 84}
 
 85
 86void qed_init_store_rt_reg(struct qed_hwfn *p_hwfn, u32 rt_offset, u32 val)
 87{
 88	p_hwfn->rt_data.init_val[rt_offset] = val;
 89	p_hwfn->rt_data.b_valid[rt_offset] = true;
 90}
 91
 92void qed_init_store_rt_agg(struct qed_hwfn *p_hwfn,
 93			   u32 rt_offset, u32 *p_val, size_t size)
 94{
 95	size_t i;
 96
 
 
 
 
 
 
 
 
 97	for (i = 0; i < size / sizeof(u32); i++) {
 98		p_hwfn->rt_data.init_val[rt_offset + i] = p_val[i];
 99		p_hwfn->rt_data.b_valid[rt_offset + i]	= true;
100	}
101}
102
103static int qed_init_rt(struct qed_hwfn	*p_hwfn,
104		       struct qed_ptt *p_ptt,
105		       u32 addr, u16 rt_offset, u16 size, bool b_must_dmae)
106{
107	u32 *p_init_val = &p_hwfn->rt_data.init_val[rt_offset];
108	bool *p_valid = &p_hwfn->rt_data.b_valid[rt_offset];
109	u16 i, segment;
110	int rc = 0;
111
112	/* Since not all RT entries are initialized, go over the RT and
113	 * for each segment of initialized values use DMA.
114	 */
115	for (i = 0; i < size; i++) {
116		if (!p_valid[i])
117			continue;
118
119		/* In case there isn't any wide-bus configuration here,
120		 * simply write the data instead of using dmae.
121		 */
122		if (!b_must_dmae) {
123			qed_wr(p_hwfn, p_ptt, addr + (i << 2), p_init_val[i]);
 
124			continue;
125		}
126
127		/* Start of a new segment */
128		for (segment = 1; i + segment < size; segment++)
129			if (!p_valid[i + segment])
130				break;
131
132		rc = qed_dmae_host2grc(p_hwfn, p_ptt,
133				       (uintptr_t)(p_init_val + i),
134				       addr + (i << 2), segment, 0);
135		if (rc)
136			return rc;
137
 
 
 
 
138		/* Jump over the entire segment, including invalid entry */
139		i += segment;
140	}
141
142	return rc;
143}
144
145int qed_init_alloc(struct qed_hwfn *p_hwfn)
146{
147	struct qed_rt_data *rt_data = &p_hwfn->rt_data;
148
149	if (IS_VF(p_hwfn->cdev))
150		return 0;
151
152	rt_data->b_valid = kzalloc(sizeof(bool) * RUNTIME_ARRAY_SIZE,
153				   GFP_KERNEL);
154	if (!rt_data->b_valid)
155		return -ENOMEM;
156
157	rt_data->init_val = kzalloc(sizeof(u32) * RUNTIME_ARRAY_SIZE,
158				    GFP_KERNEL);
159	if (!rt_data->init_val) {
160		kfree(rt_data->b_valid);
161		rt_data->b_valid = NULL;
162		return -ENOMEM;
163	}
164
165	return 0;
166}
167
168void qed_init_free(struct qed_hwfn *p_hwfn)
169{
170	kfree(p_hwfn->rt_data.init_val);
171	p_hwfn->rt_data.init_val = NULL;
172	kfree(p_hwfn->rt_data.b_valid);
173	p_hwfn->rt_data.b_valid = NULL;
174}
175
176static int qed_init_array_dmae(struct qed_hwfn *p_hwfn,
177			       struct qed_ptt *p_ptt,
178			       u32 addr,
179			       u32 dmae_data_offset,
180			       u32 size,
181			       const u32 *buf,
182			       bool b_must_dmae,
183			       bool b_can_dmae)
184{
185	int rc = 0;
186
187	/* Perform DMAE only for lengthy enough sections or for wide-bus */
188	if (!b_can_dmae || (!b_must_dmae && (size < 16))) {
189		const u32 *data = buf + dmae_data_offset;
190		u32 i;
191
192		for (i = 0; i < size; i++)
193			qed_wr(p_hwfn, p_ptt, addr + (i << 2), data[i]);
194	} else {
195		rc = qed_dmae_host2grc(p_hwfn, p_ptt,
196				       (uintptr_t)(buf + dmae_data_offset),
197				       addr, size, 0);
198	}
199
200	return rc;
201}
202
203static int qed_init_fill_dmae(struct qed_hwfn *p_hwfn,
204			      struct qed_ptt *p_ptt,
205			      u32 addr, u32 fill, u32 fill_count)
206{
207	static u32 zero_buffer[DMAE_MAX_RW_SIZE];
 
208
209	memset(zero_buffer, 0, sizeof(u32) * DMAE_MAX_RW_SIZE);
210
211	/* invoke the DMAE virtual/physical buffer API with
212	 * 1. DMAE init channel
213	 * 2. addr,
214	 * 3. p_hwfb->temp_data,
215	 * 4. fill_count
216	 */
217
218	return qed_dmae_host2grc(p_hwfn, p_ptt,
219				 (uintptr_t)(&zero_buffer[0]),
220				 addr, fill_count, QED_DMAE_FLAG_RW_REPL_SRC);
221}
222
223static void qed_init_fill(struct qed_hwfn *p_hwfn,
224			  struct qed_ptt *p_ptt,
225			  u32 addr, u32 fill, u32 fill_count)
226{
227	u32 i;
228
229	for (i = 0; i < fill_count; i++, addr += sizeof(u32))
230		qed_wr(p_hwfn, p_ptt, addr, fill);
231}
232
233static int qed_init_cmd_array(struct qed_hwfn *p_hwfn,
234			      struct qed_ptt *p_ptt,
235			      struct init_write_op *cmd,
236			      bool b_must_dmae, bool b_can_dmae)
237{
238	u32 dmae_array_offset = le32_to_cpu(cmd->args.array_offset);
239	u32 data = le32_to_cpu(cmd->data);
240	u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
241
242	u32 offset, output_len, input_len, max_size;
243	struct qed_dev *cdev = p_hwfn->cdev;
244	union init_array_hdr *hdr;
245	const u32 *array_data;
246	int rc = 0;
247	u32 size;
248
249	array_data = cdev->fw_data->arr_data;
250
251	hdr = (union init_array_hdr *)(array_data + dmae_array_offset);
252	data = le32_to_cpu(hdr->raw.data);
253	switch (GET_FIELD(data, INIT_ARRAY_RAW_HDR_TYPE)) {
254	case INIT_ARR_ZIPPED:
255		offset = dmae_array_offset + 1;
256		input_len = GET_FIELD(data,
257				      INIT_ARRAY_ZIPPED_HDR_ZIPPED_SIZE);
258		max_size = MAX_ZIPPED_SIZE * 4;
259		memset(p_hwfn->unzip_buf, 0, max_size);
260
261		output_len = qed_unzip_data(p_hwfn, input_len,
262					    (u8 *)&array_data[offset],
263					    max_size, (u8 *)p_hwfn->unzip_buf);
264		if (output_len) {
265			rc = qed_init_array_dmae(p_hwfn, p_ptt, addr, 0,
266						 output_len,
267						 p_hwfn->unzip_buf,
268						 b_must_dmae, b_can_dmae);
269		} else {
270			DP_NOTICE(p_hwfn, "Failed to unzip dmae data\n");
271			rc = -EINVAL;
272		}
273		break;
274	case INIT_ARR_PATTERN:
275	{
276		u32 repeats = GET_FIELD(data,
277					INIT_ARRAY_PATTERN_HDR_REPETITIONS);
278		u32 i;
279
280		size = GET_FIELD(data, INIT_ARRAY_PATTERN_HDR_PATTERN_SIZE);
281
282		for (i = 0; i < repeats; i++, addr += size << 2) {
283			rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
284						 dmae_array_offset + 1,
285						 size, array_data,
286						 b_must_dmae, b_can_dmae);
287			if (rc)
288				break;
289		}
290		break;
291	}
292	case INIT_ARR_STANDARD:
293		size = GET_FIELD(data, INIT_ARRAY_STANDARD_HDR_SIZE);
294		rc = qed_init_array_dmae(p_hwfn, p_ptt, addr,
295					 dmae_array_offset + 1,
296					 size, array_data,
297					 b_must_dmae, b_can_dmae);
298		break;
299	}
300
301	return rc;
302}
303
304/* init_ops write command */
305static int qed_init_cmd_wr(struct qed_hwfn *p_hwfn,
306			   struct qed_ptt *p_ptt,
307			   struct init_write_op *p_cmd, bool b_can_dmae)
308{
309	u32 data = le32_to_cpu(p_cmd->data);
310	bool b_must_dmae = GET_FIELD(data, INIT_WRITE_OP_WIDE_BUS);
311	u32 addr = GET_FIELD(data, INIT_WRITE_OP_ADDRESS) << 2;
312	union init_write_args *arg = &p_cmd->args;
313	int rc = 0;
314
315	/* Sanitize */
316	if (b_must_dmae && !b_can_dmae) {
317		DP_NOTICE(p_hwfn,
318			  "Need to write to %08x for Wide-bus but DMAE isn't allowed\n",
319			  addr);
320		return -EINVAL;
321	}
322
323	switch (GET_FIELD(data, INIT_WRITE_OP_SOURCE)) {
324	case INIT_SRC_INLINE:
325		data = le32_to_cpu(p_cmd->args.inline_val);
326		qed_wr(p_hwfn, p_ptt, addr, data);
327		break;
328	case INIT_SRC_ZEROS:
329		data = le32_to_cpu(p_cmd->args.zeros_count);
330		if (b_must_dmae || (b_can_dmae && (data >= 64)))
331			rc = qed_init_fill_dmae(p_hwfn, p_ptt, addr, 0, data);
332		else
333			qed_init_fill(p_hwfn, p_ptt, addr, 0, data);
334		break;
335	case INIT_SRC_ARRAY:
336		rc = qed_init_cmd_array(p_hwfn, p_ptt, p_cmd,
337					b_must_dmae, b_can_dmae);
338		break;
339	case INIT_SRC_RUNTIME:
340		qed_init_rt(p_hwfn, p_ptt, addr,
341			    le16_to_cpu(arg->runtime.offset),
342			    le16_to_cpu(arg->runtime.size),
343			    b_must_dmae);
344		break;
345	}
346
347	return rc;
348}
349
350static inline bool comp_eq(u32 val, u32 expected_val)
351{
352	return val == expected_val;
353}
354
355static inline bool comp_and(u32 val, u32 expected_val)
356{
357	return (val & expected_val) == expected_val;
358}
359
360static inline bool comp_or(u32 val, u32 expected_val)
361{
362	return (val | expected_val) > 0;
363}
364
365/* init_ops read/poll commands */
366static void qed_init_cmd_rd(struct qed_hwfn *p_hwfn,
367			    struct qed_ptt *p_ptt, struct init_read_op *cmd)
368{
369	bool (*comp_check)(u32 val, u32 expected_val);
370	u32 delay = QED_INIT_POLL_PERIOD_US, val;
371	u32 data, addr, poll;
372	int i;
373
374	data = le32_to_cpu(cmd->op_data);
375	addr = GET_FIELD(data, INIT_READ_OP_ADDRESS) << 2;
376	poll = GET_FIELD(data, INIT_READ_OP_POLL_TYPE);
377
378
379	val = qed_rd(p_hwfn, p_ptt, addr);
380
381	if (poll == INIT_POLL_NONE)
382		return;
383
384	switch (poll) {
385	case INIT_POLL_EQ:
386		comp_check = comp_eq;
387		break;
388	case INIT_POLL_OR:
389		comp_check = comp_or;
390		break;
391	case INIT_POLL_AND:
392		comp_check = comp_and;
393		break;
394	default:
395		DP_ERR(p_hwfn, "Invalid poll comparison type %08x\n",
396		       cmd->op_data);
397		return;
398	}
399
400	data = le32_to_cpu(cmd->expected_val);
401	for (i = 0;
402	     i < QED_INIT_MAX_POLL_COUNT && !comp_check(val, data);
403	     i++) {
404		udelay(delay);
405		val = qed_rd(p_hwfn, p_ptt, addr);
406	}
407
408	if (i == QED_INIT_MAX_POLL_COUNT) {
409		DP_ERR(p_hwfn,
410		       "Timeout when polling reg: 0x%08x [ Waiting-for: %08x Got: %08x (comparsion %08x)]\n",
411		       addr, le32_to_cpu(cmd->expected_val),
412		       val, le32_to_cpu(cmd->op_data));
413	}
414}
415
416/* init_ops callbacks entry point */
417static int qed_init_cmd_cb(struct qed_hwfn *p_hwfn,
418			   struct qed_ptt *p_ptt,
419			   struct init_callback_op *p_cmd)
420{
421	int rc;
422
423	switch (p_cmd->callback_id) {
424	case DMAE_READY_CB:
425		rc = qed_dmae_sanity(p_hwfn, p_ptt, "engine_phase");
426		break;
427	default:
428		DP_NOTICE(p_hwfn, "Unexpected init op callback ID %d\n",
429			  p_cmd->callback_id);
430		return -EINVAL;
431	}
432
433	return rc;
434}
435
436static u8 qed_init_cmd_mode_match(struct qed_hwfn *p_hwfn,
437				  u16 *p_offset, int modes)
438{
439	struct qed_dev *cdev = p_hwfn->cdev;
440	const u8 *modes_tree_buf;
441	u8 arg1, arg2, tree_val;
442
443	modes_tree_buf = cdev->fw_data->modes_tree_buf;
444	tree_val = modes_tree_buf[(*p_offset)++];
445	switch (tree_val) {
446	case INIT_MODE_OP_NOT:
447		return qed_init_cmd_mode_match(p_hwfn, p_offset, modes) ^ 1;
448	case INIT_MODE_OP_OR:
449		arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
450		arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
451		return arg1 | arg2;
452	case INIT_MODE_OP_AND:
453		arg1 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
454		arg2 = qed_init_cmd_mode_match(p_hwfn, p_offset, modes);
455		return arg1 & arg2;
456	default:
457		tree_val -= MAX_INIT_MODE_OPS;
458		return (modes & BIT(tree_val)) ? 1 : 0;
459	}
460}
461
462static u32 qed_init_cmd_mode(struct qed_hwfn *p_hwfn,
463			     struct init_if_mode_op *p_cmd, int modes)
464{
465	u16 offset = le16_to_cpu(p_cmd->modes_buf_offset);
466
467	if (qed_init_cmd_mode_match(p_hwfn, &offset, modes))
468		return 0;
469	else
470		return GET_FIELD(le32_to_cpu(p_cmd->op_data),
471				 INIT_IF_MODE_OP_CMD_OFFSET);
472}
473
474static u32 qed_init_cmd_phase(struct qed_hwfn *p_hwfn,
475			      struct init_if_phase_op *p_cmd,
476			      u32 phase, u32 phase_id)
477{
478	u32 data = le32_to_cpu(p_cmd->phase_data);
479	u32 op_data = le32_to_cpu(p_cmd->op_data);
480
481	if (!(GET_FIELD(data, INIT_IF_PHASE_OP_PHASE) == phase &&
482	      (GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == ANY_PHASE_ID ||
483	       GET_FIELD(data, INIT_IF_PHASE_OP_PHASE_ID) == phase_id)))
484		return GET_FIELD(op_data, INIT_IF_PHASE_OP_CMD_OFFSET);
485	else
486		return 0;
487}
488
489int qed_init_run(struct qed_hwfn *p_hwfn,
490		 struct qed_ptt *p_ptt, int phase, int phase_id, int modes)
491{
 
492	struct qed_dev *cdev = p_hwfn->cdev;
493	u32 cmd_num, num_init_ops;
494	union init_op *init_ops;
495	bool b_dmae = false;
496	int rc = 0;
497
498	num_init_ops = cdev->fw_data->init_ops_size;
499	init_ops = cdev->fw_data->init_ops;
500
501	p_hwfn->unzip_buf = kzalloc(MAX_ZIPPED_SIZE * 4, GFP_ATOMIC);
502	if (!p_hwfn->unzip_buf)
503		return -ENOMEM;
504
505	for (cmd_num = 0; cmd_num < num_init_ops; cmd_num++) {
506		union init_op *cmd = &init_ops[cmd_num];
507		u32 data = le32_to_cpu(cmd->raw.op_data);
508
509		switch (GET_FIELD(data, INIT_CALLBACK_OP_OP)) {
510		case INIT_OP_WRITE:
511			rc = qed_init_cmd_wr(p_hwfn, p_ptt, &cmd->write,
512					     b_dmae);
513			break;
514		case INIT_OP_READ:
515			qed_init_cmd_rd(p_hwfn, p_ptt, &cmd->read);
516			break;
517		case INIT_OP_IF_MODE:
518			cmd_num += qed_init_cmd_mode(p_hwfn, &cmd->if_mode,
519						     modes);
520			break;
521		case INIT_OP_IF_PHASE:
522			cmd_num += qed_init_cmd_phase(p_hwfn, &cmd->if_phase,
523						      phase, phase_id);
524			b_dmae = GET_FIELD(data, INIT_IF_PHASE_OP_DMAE_ENABLE);
525			break;
526		case INIT_OP_DELAY:
527			/* qed_init_run is always invoked from
528			 * sleep-able context
529			 */
530			udelay(le32_to_cpu(cmd->delay.delay));
531			break;
532
533		case INIT_OP_CALLBACK:
534			rc = qed_init_cmd_cb(p_hwfn, p_ptt, &cmd->callback);
 
 
 
535			break;
536		}
537
538		if (rc)
539			break;
540	}
541
542	kfree(p_hwfn->unzip_buf);
543	p_hwfn->unzip_buf = NULL;
544	return rc;
545}
546
547void qed_gtt_init(struct qed_hwfn *p_hwfn)
548{
549	u32 gtt_base;
550	u32 i;
551
552	/* Set the global windows */
553	gtt_base = PXP_PF_WINDOW_ADMIN_START + PXP_PF_WINDOW_ADMIN_GLOBAL_START;
554
555	for (i = 0; i < ARRAY_SIZE(pxp_global_win); i++)
556		if (pxp_global_win[i])
557			REG_WR(p_hwfn, gtt_base + i * PXP_GLOBAL_ENTRY_SIZE,
558			       pxp_global_win[i]);
559}
560
561int qed_init_fw_data(struct qed_dev *cdev, const u8 *data)
562{
563	struct qed_fw_data *fw = cdev->fw_data;
564	struct bin_buffer_hdr *buf_hdr;
565	u32 offset, len;
566
567	if (!data) {
568		DP_NOTICE(cdev, "Invalid fw data\n");
569		return -EINVAL;
570	}
571
572	/* First Dword contains metadata and should be skipped */
573	buf_hdr = (struct bin_buffer_hdr *)data;
574
575	offset = buf_hdr[BIN_BUF_INIT_FW_VER_INFO].offset;
576	fw->fw_ver_info = (struct fw_ver_info *)(data + offset);
577
578	offset = buf_hdr[BIN_BUF_INIT_CMD].offset;
579	fw->init_ops = (union init_op *)(data + offset);
580
581	offset = buf_hdr[BIN_BUF_INIT_VAL].offset;
582	fw->arr_data = (u32 *)(data + offset);
583
584	offset = buf_hdr[BIN_BUF_INIT_MODE_TREE].offset;
585	fw->modes_tree_buf = (u8 *)(data + offset);
586	len = buf_hdr[BIN_BUF_INIT_CMD].length;
587	fw->init_ops_size = len / sizeof(struct init_raw_op);
 
 
 
 
 
588
589	return 0;
590}