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7#include "qlcnic.h"
8#include "qlcnic_hw.h"
9
10struct crb_addr_pair {
11 u32 addr;
12 u32 data;
13};
14
15#define QLCNIC_MAX_CRB_XFORM 60
16static unsigned int crb_addr_xform[QLCNIC_MAX_CRB_XFORM];
17
18#define crb_addr_transform(name) \
19 (crb_addr_xform[QLCNIC_HW_PX_MAP_CRB_##name] = \
20 QLCNIC_HW_CRB_HUB_AGT_ADR_##name << 20)
21
22#define QLCNIC_ADDR_ERROR (0xffffffff)
23
24static int
25qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter);
26
27static void crb_addr_transform_setup(void)
28{
29 crb_addr_transform(XDMA);
30 crb_addr_transform(TIMR);
31 crb_addr_transform(SRE);
32 crb_addr_transform(SQN3);
33 crb_addr_transform(SQN2);
34 crb_addr_transform(SQN1);
35 crb_addr_transform(SQN0);
36 crb_addr_transform(SQS3);
37 crb_addr_transform(SQS2);
38 crb_addr_transform(SQS1);
39 crb_addr_transform(SQS0);
40 crb_addr_transform(RPMX7);
41 crb_addr_transform(RPMX6);
42 crb_addr_transform(RPMX5);
43 crb_addr_transform(RPMX4);
44 crb_addr_transform(RPMX3);
45 crb_addr_transform(RPMX2);
46 crb_addr_transform(RPMX1);
47 crb_addr_transform(RPMX0);
48 crb_addr_transform(ROMUSB);
49 crb_addr_transform(SN);
50 crb_addr_transform(QMN);
51 crb_addr_transform(QMS);
52 crb_addr_transform(PGNI);
53 crb_addr_transform(PGND);
54 crb_addr_transform(PGN3);
55 crb_addr_transform(PGN2);
56 crb_addr_transform(PGN1);
57 crb_addr_transform(PGN0);
58 crb_addr_transform(PGSI);
59 crb_addr_transform(PGSD);
60 crb_addr_transform(PGS3);
61 crb_addr_transform(PGS2);
62 crb_addr_transform(PGS1);
63 crb_addr_transform(PGS0);
64 crb_addr_transform(PS);
65 crb_addr_transform(PH);
66 crb_addr_transform(NIU);
67 crb_addr_transform(I2Q);
68 crb_addr_transform(EG);
69 crb_addr_transform(MN);
70 crb_addr_transform(MS);
71 crb_addr_transform(CAS2);
72 crb_addr_transform(CAS1);
73 crb_addr_transform(CAS0);
74 crb_addr_transform(CAM);
75 crb_addr_transform(C2C1);
76 crb_addr_transform(C2C0);
77 crb_addr_transform(SMB);
78 crb_addr_transform(OCM0);
79 crb_addr_transform(I2C0);
80}
81
82void qlcnic_release_rx_buffers(struct qlcnic_adapter *adapter)
83{
84 struct qlcnic_recv_context *recv_ctx;
85 struct qlcnic_host_rds_ring *rds_ring;
86 struct qlcnic_rx_buffer *rx_buf;
87 int i, ring;
88
89 recv_ctx = adapter->recv_ctx;
90 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
91 rds_ring = &recv_ctx->rds_rings[ring];
92 for (i = 0; i < rds_ring->num_desc; ++i) {
93 rx_buf = &(rds_ring->rx_buf_arr[i]);
94 if (rx_buf->skb == NULL)
95 continue;
96
97 dma_unmap_single(&adapter->pdev->dev, rx_buf->dma,
98 rds_ring->dma_size, DMA_FROM_DEVICE);
99
100 dev_kfree_skb_any(rx_buf->skb);
101 }
102 }
103}
104
105void qlcnic_reset_rx_buffers_list(struct qlcnic_adapter *adapter)
106{
107 struct qlcnic_recv_context *recv_ctx;
108 struct qlcnic_host_rds_ring *rds_ring;
109 struct qlcnic_rx_buffer *rx_buf;
110 int i, ring;
111
112 recv_ctx = adapter->recv_ctx;
113 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
114 rds_ring = &recv_ctx->rds_rings[ring];
115
116 INIT_LIST_HEAD(&rds_ring->free_list);
117
118 rx_buf = rds_ring->rx_buf_arr;
119 for (i = 0; i < rds_ring->num_desc; i++) {
120 list_add_tail(&rx_buf->list,
121 &rds_ring->free_list);
122 rx_buf++;
123 }
124 }
125}
126
127void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter,
128 struct qlcnic_host_tx_ring *tx_ring)
129{
130 struct qlcnic_cmd_buffer *cmd_buf;
131 struct qlcnic_skb_frag *buffrag;
132 int i, j;
133
134 spin_lock(&tx_ring->tx_clean_lock);
135
136 cmd_buf = tx_ring->cmd_buf_arr;
137 for (i = 0; i < tx_ring->num_desc; i++) {
138 buffrag = cmd_buf->frag_array;
139 if (buffrag->dma) {
140 dma_unmap_single(&adapter->pdev->dev, buffrag->dma,
141 buffrag->length, DMA_TO_DEVICE);
142 buffrag->dma = 0ULL;
143 }
144 for (j = 1; j < cmd_buf->frag_count; j++) {
145 buffrag++;
146 if (buffrag->dma) {
147 dma_unmap_page(&adapter->pdev->dev,
148 buffrag->dma, buffrag->length,
149 DMA_TO_DEVICE);
150 buffrag->dma = 0ULL;
151 }
152 }
153 if (cmd_buf->skb) {
154 dev_kfree_skb_any(cmd_buf->skb);
155 cmd_buf->skb = NULL;
156 }
157 cmd_buf++;
158 }
159
160 spin_unlock(&tx_ring->tx_clean_lock);
161}
162
163void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
164{
165 struct qlcnic_recv_context *recv_ctx;
166 struct qlcnic_host_rds_ring *rds_ring;
167 int ring;
168
169 recv_ctx = adapter->recv_ctx;
170
171 if (recv_ctx->rds_rings == NULL)
172 return;
173
174 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
175 rds_ring = &recv_ctx->rds_rings[ring];
176 vfree(rds_ring->rx_buf_arr);
177 rds_ring->rx_buf_arr = NULL;
178 }
179 kfree(recv_ctx->rds_rings);
180}
181
182int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
183{
184 struct qlcnic_recv_context *recv_ctx;
185 struct qlcnic_host_rds_ring *rds_ring;
186 struct qlcnic_host_sds_ring *sds_ring;
187 struct qlcnic_rx_buffer *rx_buf;
188 int ring, i;
189
190 recv_ctx = adapter->recv_ctx;
191
192 rds_ring = kcalloc(adapter->max_rds_rings,
193 sizeof(struct qlcnic_host_rds_ring), GFP_KERNEL);
194 if (rds_ring == NULL)
195 goto err_out;
196
197 recv_ctx->rds_rings = rds_ring;
198
199 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
200 rds_ring = &recv_ctx->rds_rings[ring];
201 switch (ring) {
202 case RCV_RING_NORMAL:
203 rds_ring->num_desc = adapter->num_rxd;
204 rds_ring->dma_size = QLCNIC_P3P_RX_BUF_MAX_LEN;
205 rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN;
206 break;
207
208 case RCV_RING_JUMBO:
209 rds_ring->num_desc = adapter->num_jumbo_rxd;
210 rds_ring->dma_size =
211 QLCNIC_P3P_RX_JUMBO_BUF_MAX_LEN;
212
213 if (adapter->ahw->capabilities &
214 QLCNIC_FW_CAPABILITY_HW_LRO)
215 rds_ring->dma_size += QLCNIC_LRO_BUFFER_EXTRA;
216
217 rds_ring->skb_size =
218 rds_ring->dma_size + NET_IP_ALIGN;
219 break;
220 }
221 rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
222 if (rds_ring->rx_buf_arr == NULL)
223 goto err_out;
224
225 INIT_LIST_HEAD(&rds_ring->free_list);
226
227
228
229
230 rx_buf = rds_ring->rx_buf_arr;
231 for (i = 0; i < rds_ring->num_desc; i++) {
232 list_add_tail(&rx_buf->list,
233 &rds_ring->free_list);
234 rx_buf->ref_handle = i;
235 rx_buf++;
236 }
237 spin_lock_init(&rds_ring->lock);
238 }
239
240 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
241 sds_ring = &recv_ctx->sds_rings[ring];
242 sds_ring->irq = adapter->msix_entries[ring].vector;
243 sds_ring->adapter = adapter;
244 sds_ring->num_desc = adapter->num_rxd;
245 if (qlcnic_82xx_check(adapter)) {
246 if (qlcnic_check_multi_tx(adapter) &&
247 !adapter->ahw->diag_test)
248 sds_ring->tx_ring = &adapter->tx_ring[ring];
249 else
250 sds_ring->tx_ring = &adapter->tx_ring[0];
251 }
252 for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
253 INIT_LIST_HEAD(&sds_ring->free_list[i]);
254 }
255
256 return 0;
257
258err_out:
259 qlcnic_free_sw_resources(adapter);
260 return -ENOMEM;
261}
262
263
264
265
266
267static u32 qlcnic_decode_crb_addr(u32 addr)
268{
269 int i;
270 u32 base_addr, offset, pci_base;
271
272 crb_addr_transform_setup();
273
274 pci_base = QLCNIC_ADDR_ERROR;
275 base_addr = addr & 0xfff00000;
276 offset = addr & 0x000fffff;
277
278 for (i = 0; i < QLCNIC_MAX_CRB_XFORM; i++) {
279 if (crb_addr_xform[i] == base_addr) {
280 pci_base = i << 20;
281 break;
282 }
283 }
284 if (pci_base == QLCNIC_ADDR_ERROR)
285 return pci_base;
286 else
287 return pci_base + offset;
288}
289
290#define QLCNIC_MAX_ROM_WAIT_USEC 100
291
292static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter)
293{
294 long timeout = 0;
295 long done = 0;
296 int err = 0;
297
298 cond_resched();
299 while (done == 0) {
300 done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err);
301 done &= 2;
302 if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) {
303 dev_err(&adapter->pdev->dev,
304 "Timeout reached waiting for rom done");
305 return -EIO;
306 }
307 udelay(1);
308 }
309 return 0;
310}
311
312static int do_rom_fast_read(struct qlcnic_adapter *adapter,
313 u32 addr, u32 *valp)
314{
315 int err = 0;
316
317 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr);
318 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
319 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3);
320 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_INSTR_OPCODE, 0xb);
321 if (qlcnic_wait_rom_done(adapter)) {
322 dev_err(&adapter->pdev->dev, "Error waiting for rom done\n");
323 return -EIO;
324 }
325
326 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 0);
327 udelay(10);
328 QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
329
330 *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err);
331 if (err == -EIO)
332 return err;
333 return 0;
334}
335
336static int do_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
337 u8 *bytes, size_t size)
338{
339 int addridx;
340 int ret = 0;
341
342 for (addridx = addr; addridx < (addr + size); addridx += 4) {
343 int v;
344 ret = do_rom_fast_read(adapter, addridx, &v);
345 if (ret != 0)
346 break;
347 *(__le32 *)bytes = cpu_to_le32(v);
348 bytes += 4;
349 }
350
351 return ret;
352}
353
354int
355qlcnic_rom_fast_read_words(struct qlcnic_adapter *adapter, int addr,
356 u8 *bytes, size_t size)
357{
358 int ret;
359
360 ret = qlcnic_rom_lock(adapter);
361 if (ret < 0)
362 return ret;
363
364 ret = do_rom_fast_read_words(adapter, addr, bytes, size);
365
366 qlcnic_rom_unlock(adapter);
367 return ret;
368}
369
370int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp)
371{
372 int ret;
373
374 if (qlcnic_rom_lock(adapter) != 0)
375 return -EIO;
376
377 ret = do_rom_fast_read(adapter, addr, valp);
378 qlcnic_rom_unlock(adapter);
379 return ret;
380}
381
382int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
383{
384 int addr, err = 0;
385 int i, n, init_delay;
386 struct crb_addr_pair *buf;
387 unsigned offset;
388 u32 off, val;
389 struct pci_dev *pdev = adapter->pdev;
390
391 QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0);
392 QLC_SHARED_REG_WR32(adapter, QLCNIC_RCVPEG_STATE, 0);
393
394
395
396 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x10, 0x0);
397 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x14, 0x0);
398 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x18, 0x0);
399 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x1c, 0x0);
400 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x20, 0x0);
401 QLCWR32(adapter, QLCNIC_CRB_I2Q + 0x24, 0x0);
402
403
404 QLCWR32(adapter, QLCNIC_CRB_NIU + 0x40, 0xff);
405
406 QLCWR32(adapter, QLCNIC_CRB_NIU + 0x70000, 0x00);
407
408 QLCWR32(adapter, QLCNIC_CRB_NIU + 0x80000, 0x00);
409
410 QLCWR32(adapter, QLCNIC_CRB_NIU + 0x90000, 0x00);
411
412 QLCWR32(adapter, QLCNIC_CRB_NIU + 0xa0000, 0x00);
413
414 QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00);
415
416
417 val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err);
418 if (err == -EIO)
419 return err;
420 QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1)));
421
422
423 QLCWR32(adapter, QLCNIC_CRB_EPG + 0x1300, 0x1);
424
425
426 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x0, 0x0);
427 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x8, 0x0);
428 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x10, 0x0);
429 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x18, 0x0);
430 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x100, 0x0);
431 QLCWR32(adapter, QLCNIC_CRB_TIMER + 0x200, 0x0);
432
433 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, 1);
434 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, 1);
435 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, 1);
436 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, 1);
437 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1);
438 msleep(20);
439
440
441 QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);
442
443
444 if (qlcnic_rom_fast_read(adapter, 0, &n) != 0 || (n != 0xcafecafe) ||
445 qlcnic_rom_fast_read(adapter, 4, &n) != 0) {
446 dev_err(&pdev->dev, "ERROR Reading crb_init area: val:%x\n", n);
447 return -EIO;
448 }
449 offset = n & 0xffffU;
450 n = (n >> 16) & 0xffffU;
451
452 if (n >= 1024) {
453 dev_err(&pdev->dev, "QLOGIC card flash not initialized.\n");
454 return -EIO;
455 }
456
457 buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
458 if (buf == NULL)
459 return -ENOMEM;
460
461 for (i = 0; i < n; i++) {
462 if (qlcnic_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
463 qlcnic_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
464 kfree(buf);
465 return -EIO;
466 }
467
468 buf[i].addr = addr;
469 buf[i].data = val;
470 }
471
472 for (i = 0; i < n; i++) {
473
474 off = qlcnic_decode_crb_addr(buf[i].addr);
475 if (off == QLCNIC_ADDR_ERROR) {
476 dev_err(&pdev->dev, "CRB init value out of range %x\n",
477 buf[i].addr);
478 continue;
479 }
480 off += QLCNIC_PCI_CRBSPACE;
481
482 if (off & 1)
483 continue;
484
485
486 if (off == QLCNIC_CAM_RAM(0x1fc))
487 continue;
488 if (off == (QLCNIC_CRB_I2C0 + 0x1c))
489 continue;
490 if (off == (ROMUSB_GLB + 0xbc))
491 continue;
492 if (off == (ROMUSB_GLB + 0xa8))
493 continue;
494 if (off == (ROMUSB_GLB + 0xc8))
495 continue;
496 if (off == (ROMUSB_GLB + 0x24))
497 continue;
498 if (off == (ROMUSB_GLB + 0x1c))
499 continue;
500 if ((off & 0x0ff00000) == QLCNIC_CRB_DDR_NET)
501 continue;
502
503 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION))
504 continue;
505 if (off == QLCNIC_PCIE_REG(PCIE_SETUP_FUNCTION2))
506 continue;
507 if ((off & 0x0ff00000) == QLCNIC_CRB_SMB)
508 continue;
509
510 init_delay = 1;
511
512
513 if (off == QLCNIC_ROMUSB_GLB_SW_RESET)
514 init_delay = 1000;
515
516 QLCWR32(adapter, off, buf[i].data);
517
518 msleep(init_delay);
519 }
520 kfree(buf);
521
522
523 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0xec, 0x1e);
524 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_D + 0x4c, 8);
525 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_I + 0x4c, 8);
526 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x8, 0);
527 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0xc, 0);
528 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x8, 0);
529 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_1 + 0xc, 0);
530 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x8, 0);
531 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_2 + 0xc, 0);
532 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x8, 0);
533 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_3 + 0xc, 0);
534 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x8, 0);
535 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0xc, 0);
536 usleep_range(1000, 1500);
537
538 QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
539 QLC_SHARED_REG_WR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
540
541 return 0;
542}
543
544static int qlcnic_cmd_peg_ready(struct qlcnic_adapter *adapter)
545{
546 u32 val;
547 int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT;
548
549 do {
550 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CMDPEG_STATE);
551
552 switch (val) {
553 case PHAN_INITIALIZE_COMPLETE:
554 case PHAN_INITIALIZE_ACK:
555 return 0;
556 case PHAN_INITIALIZE_FAILED:
557 goto out_err;
558 default:
559 break;
560 }
561
562 msleep(QLCNIC_CMDPEG_CHECK_DELAY);
563
564 } while (--retries);
565
566 QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE,
567 PHAN_INITIALIZE_FAILED);
568
569out_err:
570 dev_err(&adapter->pdev->dev, "Command Peg initialization not "
571 "complete, state: 0x%x.\n", val);
572 return -EIO;
573}
574
575static int
576qlcnic_receive_peg_ready(struct qlcnic_adapter *adapter)
577{
578 u32 val;
579 int retries = QLCNIC_RCVPEG_CHECK_RETRY_COUNT;
580
581 do {
582 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_RCVPEG_STATE);
583
584 if (val == PHAN_PEG_RCV_INITIALIZED)
585 return 0;
586
587 msleep(QLCNIC_RCVPEG_CHECK_DELAY);
588
589 } while (--retries);
590
591 dev_err(&adapter->pdev->dev, "Receive Peg initialization not complete, state: 0x%x.\n",
592 val);
593 return -EIO;
594}
595
596int
597qlcnic_check_fw_status(struct qlcnic_adapter *adapter)
598{
599 int err;
600
601 err = qlcnic_cmd_peg_ready(adapter);
602 if (err)
603 return err;
604
605 err = qlcnic_receive_peg_ready(adapter);
606 if (err)
607 return err;
608
609 QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
610
611 return err;
612}
613
614int
615qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
616
617 int timeo;
618 u32 val;
619
620 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
621 val = QLC_DEV_GET_DRV(val, adapter->portnum);
622 if ((val & 0x3) != QLCNIC_TYPE_NIC) {
623 dev_err(&adapter->pdev->dev,
624 "Not an Ethernet NIC func=%u\n", val);
625 return -EIO;
626 }
627 adapter->ahw->physical_port = (val >> 2);
628 if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
629 timeo = QLCNIC_INIT_TIMEOUT_SECS;
630
631 adapter->dev_init_timeo = timeo;
632
633 if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DRV_RESET_TIMEOUT, &timeo))
634 timeo = QLCNIC_RESET_TIMEOUT_SECS;
635
636 adapter->reset_ack_timeo = timeo;
637
638 return 0;
639}
640
641static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
642 struct qlcnic_flt_entry *region_entry)
643{
644 struct qlcnic_flt_header flt_hdr;
645 struct qlcnic_flt_entry *flt_entry;
646 int i = 0, ret;
647 u32 entry_size;
648
649 memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
650 ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
651 (u8 *)&flt_hdr,
652 sizeof(struct qlcnic_flt_header));
653 if (ret) {
654 dev_warn(&adapter->pdev->dev,
655 "error reading flash layout header\n");
656 return -EIO;
657 }
658
659 entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
660 flt_entry = vzalloc(entry_size);
661 if (flt_entry == NULL)
662 return -EIO;
663
664 ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
665 sizeof(struct qlcnic_flt_header),
666 (u8 *)flt_entry, entry_size);
667 if (ret) {
668 dev_warn(&adapter->pdev->dev,
669 "error reading flash layout entries\n");
670 goto err_out;
671 }
672
673 while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
674 if (flt_entry[i].region == region)
675 break;
676 i++;
677 }
678 if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
679 dev_warn(&adapter->pdev->dev,
680 "region=%x not found in %d regions\n", region, i);
681 ret = -EIO;
682 goto err_out;
683 }
684 memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
685
686err_out:
687 vfree(flt_entry);
688 return ret;
689}
690
691int
692qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
693{
694 struct qlcnic_flt_entry fw_entry;
695 u32 ver = -1, min_ver;
696 int ret;
697
698 if (adapter->ahw->revision_id == QLCNIC_P3P_C0)
699 ret = qlcnic_get_flt_entry(adapter, QLCNIC_C0_FW_IMAGE_REGION,
700 &fw_entry);
701 else
702 ret = qlcnic_get_flt_entry(adapter, QLCNIC_B0_FW_IMAGE_REGION,
703 &fw_entry);
704
705 if (!ret)
706
707 qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
708 (int *)&ver);
709 else
710 qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
711 (int *)&ver);
712
713 ver = QLCNIC_DECODE_VERSION(ver);
714 min_ver = QLCNIC_MIN_FW_VERSION;
715
716 if (ver < min_ver) {
717 dev_err(&adapter->pdev->dev,
718 "firmware version %d.%d.%d unsupported."
719 "Min supported version %d.%d.%d\n",
720 _major(ver), _minor(ver), _build(ver),
721 _major(min_ver), _minor(min_ver), _build(min_ver));
722 return -EINVAL;
723 }
724
725 return 0;
726}
727
728static int
729qlcnic_has_mn(struct qlcnic_adapter *adapter)
730{
731 u32 capability = 0;
732 int err = 0;
733
734 capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err);
735 if (err == -EIO)
736 return err;
737 if (capability & QLCNIC_PEG_TUNE_MN_PRESENT)
738 return 1;
739
740 return 0;
741}
742
743static
744struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
745{
746 u32 i, entries;
747 struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
748 entries = le32_to_cpu(directory->num_entries);
749
750 for (i = 0; i < entries; i++) {
751
752 u32 offs = le32_to_cpu(directory->findex) +
753 i * le32_to_cpu(directory->entry_size);
754 u32 tab_type = le32_to_cpu(*((__le32 *)&unirom[offs] + 8));
755
756 if (tab_type == section)
757 return (struct uni_table_desc *) &unirom[offs];
758 }
759
760 return NULL;
761}
762
763#define FILEHEADER_SIZE (14 * 4)
764
765static int
766qlcnic_validate_header(struct qlcnic_adapter *adapter)
767{
768 const u8 *unirom = adapter->fw->data;
769 struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
770 u32 entries, entry_size, tab_size, fw_file_size;
771
772 fw_file_size = adapter->fw->size;
773
774 if (fw_file_size < FILEHEADER_SIZE)
775 return -EINVAL;
776
777 entries = le32_to_cpu(directory->num_entries);
778 entry_size = le32_to_cpu(directory->entry_size);
779 tab_size = le32_to_cpu(directory->findex) + (entries * entry_size);
780
781 if (fw_file_size < tab_size)
782 return -EINVAL;
783
784 return 0;
785}
786
787static int
788qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
789{
790 struct uni_table_desc *tab_desc;
791 struct uni_data_desc *descr;
792 u32 offs, tab_size, data_size, idx;
793 const u8 *unirom = adapter->fw->data;
794 __le32 temp;
795
796 temp = *((__le32 *)&unirom[adapter->file_prd_off] +
797 QLCNIC_UNI_BOOTLD_IDX_OFF);
798 idx = le32_to_cpu(temp);
799 tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
800
801 if (!tab_desc)
802 return -EINVAL;
803
804 tab_size = le32_to_cpu(tab_desc->findex) +
805 le32_to_cpu(tab_desc->entry_size) * (idx + 1);
806
807 if (adapter->fw->size < tab_size)
808 return -EINVAL;
809
810 offs = le32_to_cpu(tab_desc->findex) +
811 le32_to_cpu(tab_desc->entry_size) * idx;
812 descr = (struct uni_data_desc *)&unirom[offs];
813
814 data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
815
816 if (adapter->fw->size < data_size)
817 return -EINVAL;
818
819 return 0;
820}
821
822static int
823qlcnic_validate_fw(struct qlcnic_adapter *adapter)
824{
825 struct uni_table_desc *tab_desc;
826 struct uni_data_desc *descr;
827 const u8 *unirom = adapter->fw->data;
828 u32 offs, tab_size, data_size, idx;
829 __le32 temp;
830
831 temp = *((__le32 *)&unirom[adapter->file_prd_off] +
832 QLCNIC_UNI_FIRMWARE_IDX_OFF);
833 idx = le32_to_cpu(temp);
834 tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
835
836 if (!tab_desc)
837 return -EINVAL;
838
839 tab_size = le32_to_cpu(tab_desc->findex) +
840 le32_to_cpu(tab_desc->entry_size) * (idx + 1);
841
842 if (adapter->fw->size < tab_size)
843 return -EINVAL;
844
845 offs = le32_to_cpu(tab_desc->findex) +
846 le32_to_cpu(tab_desc->entry_size) * idx;
847 descr = (struct uni_data_desc *)&unirom[offs];
848 data_size = le32_to_cpu(descr->findex) + le32_to_cpu(descr->size);
849
850 if (adapter->fw->size < data_size)
851 return -EINVAL;
852
853 return 0;
854}
855
856static int
857qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
858{
859 struct uni_table_desc *ptab_descr;
860 const u8 *unirom = adapter->fw->data;
861 int mn_present = qlcnic_has_mn(adapter);
862 u32 entries, entry_size, tab_size, i;
863 __le32 temp;
864
865 ptab_descr = qlcnic_get_table_desc(unirom,
866 QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
867 if (!ptab_descr)
868 return -EINVAL;
869
870 entries = le32_to_cpu(ptab_descr->num_entries);
871 entry_size = le32_to_cpu(ptab_descr->entry_size);
872 tab_size = le32_to_cpu(ptab_descr->findex) + (entries * entry_size);
873
874 if (adapter->fw->size < tab_size)
875 return -EINVAL;
876
877nomn:
878 for (i = 0; i < entries; i++) {
879
880 u32 flags, file_chiprev, offs;
881 u8 chiprev = adapter->ahw->revision_id;
882 u32 flagbit;
883
884 offs = le32_to_cpu(ptab_descr->findex) +
885 i * le32_to_cpu(ptab_descr->entry_size);
886 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_FLAGS_OFF);
887 flags = le32_to_cpu(temp);
888 temp = *((__le32 *)&unirom[offs] + QLCNIC_UNI_CHIP_REV_OFF);
889 file_chiprev = le32_to_cpu(temp);
890
891 flagbit = mn_present ? 1 : 2;
892
893 if ((chiprev == file_chiprev) &&
894 ((1ULL << flagbit) & flags)) {
895 adapter->file_prd_off = offs;
896 return 0;
897 }
898 }
899 if (mn_present) {
900 mn_present = 0;
901 goto nomn;
902 }
903 return -EINVAL;
904}
905
906static int
907qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
908{
909 if (qlcnic_validate_header(adapter)) {
910 dev_err(&adapter->pdev->dev,
911 "unified image: header validation failed\n");
912 return -EINVAL;
913 }
914
915 if (qlcnic_validate_product_offs(adapter)) {
916 dev_err(&adapter->pdev->dev,
917 "unified image: product validation failed\n");
918 return -EINVAL;
919 }
920
921 if (qlcnic_validate_bootld(adapter)) {
922 dev_err(&adapter->pdev->dev,
923 "unified image: bootld validation failed\n");
924 return -EINVAL;
925 }
926
927 if (qlcnic_validate_fw(adapter)) {
928 dev_err(&adapter->pdev->dev,
929 "unified image: firmware validation failed\n");
930 return -EINVAL;
931 }
932
933 return 0;
934}
935
936static
937struct uni_data_desc *qlcnic_get_data_desc(struct qlcnic_adapter *adapter,
938 u32 section, u32 idx_offset)
939{
940 const u8 *unirom = adapter->fw->data;
941 struct uni_table_desc *tab_desc;
942 u32 offs, idx;
943 __le32 temp;
944
945 temp = *((__le32 *)&unirom[adapter->file_prd_off] + idx_offset);
946 idx = le32_to_cpu(temp);
947
948 tab_desc = qlcnic_get_table_desc(unirom, section);
949
950 if (tab_desc == NULL)
951 return NULL;
952
953 offs = le32_to_cpu(tab_desc->findex) +
954 le32_to_cpu(tab_desc->entry_size) * idx;
955
956 return (struct uni_data_desc *)&unirom[offs];
957}
958
959static u8 *
960qlcnic_get_bootld_offs(struct qlcnic_adapter *adapter)
961{
962 u32 offs = QLCNIC_BOOTLD_START;
963 struct uni_data_desc *data_desc;
964
965 data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_BOOTLD,
966 QLCNIC_UNI_BOOTLD_IDX_OFF);
967
968 if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
969 offs = le32_to_cpu(data_desc->findex);
970
971 return (u8 *)&adapter->fw->data[offs];
972}
973
974static u8 *
975qlcnic_get_fw_offs(struct qlcnic_adapter *adapter)
976{
977 u32 offs = QLCNIC_IMAGE_START;
978 struct uni_data_desc *data_desc;
979
980 data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
981 QLCNIC_UNI_FIRMWARE_IDX_OFF);
982 if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
983 offs = le32_to_cpu(data_desc->findex);
984
985 return (u8 *)&adapter->fw->data[offs];
986}
987
988static u32 qlcnic_get_fw_size(struct qlcnic_adapter *adapter)
989{
990 struct uni_data_desc *data_desc;
991 const u8 *unirom = adapter->fw->data;
992
993 data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
994 QLCNIC_UNI_FIRMWARE_IDX_OFF);
995
996 if (adapter->ahw->fw_type == QLCNIC_UNIFIED_ROMIMAGE)
997 return le32_to_cpu(data_desc->size);
998 else
999 return le32_to_cpu(*(__le32 *)&unirom[QLCNIC_FW_SIZE_OFFSET]);
1000}
1001
1002static u32 qlcnic_get_fw_version(struct qlcnic_adapter *adapter)
1003{
1004 struct uni_data_desc *fw_data_desc;
1005 const struct firmware *fw = adapter->fw;
1006 u32 major, minor, sub;
1007 __le32 version_offset;
1008 const u8 *ver_str;
1009 int i, ret;
1010
1011 if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1012 version_offset = *(__le32 *)&fw->data[QLCNIC_FW_VERSION_OFFSET];
1013 return le32_to_cpu(version_offset);
1014 }
1015
1016 fw_data_desc = qlcnic_get_data_desc(adapter, QLCNIC_UNI_DIR_SECT_FW,
1017 QLCNIC_UNI_FIRMWARE_IDX_OFF);
1018 ver_str = fw->data + le32_to_cpu(fw_data_desc->findex) +
1019 le32_to_cpu(fw_data_desc->size) - 17;
1020
1021 for (i = 0; i < 12; i++) {
1022 if (!strncmp(&ver_str[i], "REV=", 4)) {
1023 ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
1024 &major, &minor, &sub);
1025 if (ret != 3)
1026 return 0;
1027 else
1028 return major + (minor << 8) + (sub << 16);
1029 }
1030 }
1031
1032 return 0;
1033}
1034
1035static u32 qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
1036{
1037 const struct firmware *fw = adapter->fw;
1038 u32 bios_ver, prd_off = adapter->file_prd_off;
1039 u8 *version_offset;
1040 __le32 temp;
1041
1042 if (adapter->ahw->fw_type != QLCNIC_UNIFIED_ROMIMAGE) {
1043 version_offset = (u8 *)&fw->data[QLCNIC_BIOS_VERSION_OFFSET];
1044 return le32_to_cpu(*(__le32 *)version_offset);
1045 }
1046
1047 temp = *((__le32 *)(&fw->data[prd_off]) + QLCNIC_UNI_BIOS_VERSION_OFF);
1048 bios_ver = le32_to_cpu(temp);
1049
1050 return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
1051}
1052
1053static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter)
1054{
1055 if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID))
1056 dev_info(&adapter->pdev->dev, "Resetting rom_lock\n");
1057
1058 qlcnic_pcie_sem_unlock(adapter, 2);
1059}
1060
1061static int
1062qlcnic_check_fw_hearbeat(struct qlcnic_adapter *adapter)
1063{
1064 u32 heartbeat, ret = -EIO;
1065 int retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT;
1066
1067 adapter->heartbeat = QLC_SHARED_REG_RD32(adapter,
1068 QLCNIC_PEG_ALIVE_COUNTER);
1069
1070 do {
1071 msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS);
1072 heartbeat = QLC_SHARED_REG_RD32(adapter,
1073 QLCNIC_PEG_ALIVE_COUNTER);
1074 if (heartbeat != adapter->heartbeat) {
1075 ret = QLCNIC_RCODE_SUCCESS;
1076 break;
1077 }
1078 } while (--retries);
1079
1080 return ret;
1081}
1082
1083int
1084qlcnic_need_fw_reset(struct qlcnic_adapter *adapter)
1085{
1086 if ((adapter->flags & QLCNIC_FW_HANG) ||
1087 qlcnic_check_fw_hearbeat(adapter)) {
1088 qlcnic_rom_lock_recovery(adapter);
1089 return 1;
1090 }
1091
1092 if (adapter->need_fw_reset)
1093 return 1;
1094
1095 if (adapter->fw)
1096 return 1;
1097
1098 return 0;
1099}
1100
1101static const char *fw_name[] = {
1102 QLCNIC_UNIFIED_ROMIMAGE_NAME,
1103 QLCNIC_FLASH_ROMIMAGE_NAME,
1104};
1105
1106int
1107qlcnic_load_firmware(struct qlcnic_adapter *adapter)
1108{
1109 __le64 *ptr64;
1110 u32 i, flashaddr, size;
1111 const struct firmware *fw = adapter->fw;
1112 struct pci_dev *pdev = adapter->pdev;
1113
1114 dev_info(&pdev->dev, "loading firmware from %s\n",
1115 fw_name[adapter->ahw->fw_type]);
1116
1117 if (fw) {
1118 u64 data;
1119
1120 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1121
1122 ptr64 = (__le64 *)qlcnic_get_bootld_offs(adapter);
1123 flashaddr = QLCNIC_BOOTLD_START;
1124
1125 for (i = 0; i < size; i++) {
1126 data = le64_to_cpu(ptr64[i]);
1127
1128 if (qlcnic_pci_mem_write_2M(adapter, flashaddr, data))
1129 return -EIO;
1130
1131 flashaddr += 8;
1132 }
1133
1134 size = qlcnic_get_fw_size(adapter) / 8;
1135
1136 ptr64 = (__le64 *)qlcnic_get_fw_offs(adapter);
1137 flashaddr = QLCNIC_IMAGE_START;
1138
1139 for (i = 0; i < size; i++) {
1140 data = le64_to_cpu(ptr64[i]);
1141
1142 if (qlcnic_pci_mem_write_2M(adapter,
1143 flashaddr, data))
1144 return -EIO;
1145
1146 flashaddr += 8;
1147 }
1148
1149 size = qlcnic_get_fw_size(adapter) % 8;
1150 if (size) {
1151 data = le64_to_cpu(ptr64[i]);
1152
1153 if (qlcnic_pci_mem_write_2M(adapter,
1154 flashaddr, data))
1155 return -EIO;
1156 }
1157
1158 } else {
1159 u64 data;
1160 u32 hi, lo;
1161 int ret;
1162 struct qlcnic_flt_entry bootld_entry;
1163
1164 ret = qlcnic_get_flt_entry(adapter, QLCNIC_BOOTLD_REGION,
1165 &bootld_entry);
1166 if (!ret) {
1167 size = bootld_entry.size / 8;
1168 flashaddr = bootld_entry.start_addr;
1169 } else {
1170 size = (QLCNIC_IMAGE_START - QLCNIC_BOOTLD_START) / 8;
1171 flashaddr = QLCNIC_BOOTLD_START;
1172 dev_info(&pdev->dev,
1173 "using legacy method to get flash fw region");
1174 }
1175
1176 for (i = 0; i < size; i++) {
1177 if (qlcnic_rom_fast_read(adapter,
1178 flashaddr, (int *)&lo) != 0)
1179 return -EIO;
1180 if (qlcnic_rom_fast_read(adapter,
1181 flashaddr + 4, (int *)&hi) != 0)
1182 return -EIO;
1183
1184 data = (((u64)hi << 32) | lo);
1185
1186 if (qlcnic_pci_mem_write_2M(adapter,
1187 flashaddr, data))
1188 return -EIO;
1189
1190 flashaddr += 8;
1191 }
1192 }
1193 usleep_range(1000, 1500);
1194
1195 QLCWR32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x18, 0x1020);
1196 QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0x80001e);
1197 return 0;
1198}
1199
1200static int
1201qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
1202{
1203 u32 val;
1204 u32 ver, bios, min_size;
1205 struct pci_dev *pdev = adapter->pdev;
1206 const struct firmware *fw = adapter->fw;
1207 u8 fw_type = adapter->ahw->fw_type;
1208
1209 if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
1210 if (qlcnic_validate_unified_romimage(adapter))
1211 return -EINVAL;
1212
1213 min_size = QLCNIC_UNI_FW_MIN_SIZE;
1214 } else {
1215 val = le32_to_cpu(*(__le32 *)&fw->data[QLCNIC_FW_MAGIC_OFFSET]);
1216 if (val != QLCNIC_BDINFO_MAGIC)
1217 return -EINVAL;
1218
1219 min_size = QLCNIC_FW_MIN_SIZE;
1220 }
1221
1222 if (fw->size < min_size)
1223 return -EINVAL;
1224
1225 val = qlcnic_get_fw_version(adapter);
1226 ver = QLCNIC_DECODE_VERSION(val);
1227
1228 if (ver < QLCNIC_MIN_FW_VERSION) {
1229 dev_err(&pdev->dev,
1230 "%s: firmware version %d.%d.%d unsupported\n",
1231 fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
1232 return -EINVAL;
1233 }
1234
1235 val = qlcnic_get_bios_version(adapter);
1236 qlcnic_rom_fast_read(adapter, QLCNIC_BIOS_VERSION_OFFSET, (int *)&bios);
1237 if (val != bios) {
1238 dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
1239 fw_name[fw_type]);
1240 return -EINVAL;
1241 }
1242
1243 QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, QLCNIC_BDINFO_MAGIC);
1244 return 0;
1245}
1246
1247static void
1248qlcnic_get_next_fwtype(struct qlcnic_adapter *adapter)
1249{
1250 u8 fw_type;
1251
1252 switch (adapter->ahw->fw_type) {
1253 case QLCNIC_UNKNOWN_ROMIMAGE:
1254 fw_type = QLCNIC_UNIFIED_ROMIMAGE;
1255 break;
1256
1257 case QLCNIC_UNIFIED_ROMIMAGE:
1258 default:
1259 fw_type = QLCNIC_FLASH_ROMIMAGE;
1260 break;
1261 }
1262
1263 adapter->ahw->fw_type = fw_type;
1264}
1265
1266
1267
1268void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
1269{
1270 struct pci_dev *pdev = adapter->pdev;
1271 int rc;
1272
1273 adapter->ahw->fw_type = QLCNIC_UNKNOWN_ROMIMAGE;
1274
1275next:
1276 qlcnic_get_next_fwtype(adapter);
1277
1278 if (adapter->ahw->fw_type == QLCNIC_FLASH_ROMIMAGE) {
1279 adapter->fw = NULL;
1280 } else {
1281 rc = request_firmware(&adapter->fw,
1282 fw_name[adapter->ahw->fw_type],
1283 &pdev->dev);
1284 if (rc != 0)
1285 goto next;
1286
1287 rc = qlcnic_validate_firmware(adapter);
1288 if (rc != 0) {
1289 release_firmware(adapter->fw);
1290 usleep_range(1000, 1500);
1291 goto next;
1292 }
1293 }
1294}
1295
1296
1297void
1298qlcnic_release_firmware(struct qlcnic_adapter *adapter)
1299{
1300 release_firmware(adapter->fw);
1301 adapter->fw = NULL;
1302}
1303
