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