Commit | Line | Data |
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577ae39d JK |
1 | /* |
2 | * QLogic qlcnic NIC Driver | |
3 | * Copyright (c) 2009-2013 QLogic Corporation | |
4 | * | |
5 | * See LICENSE.qlcnic for copyright and licensing details. | |
6 | */ | |
7 | ||
f8468331 | 8 | #include "qlcnic_sriov.h" |
629263ac SC |
9 | #include "qlcnic.h" |
10 | #include "qlcnic_hw.h" | |
11 | ||
81d0aeb0 SC |
12 | /* Reset template definitions */ |
13 | #define QLC_83XX_RESTART_TEMPLATE_SIZE 0x2000 | |
14 | #define QLC_83XX_RESET_TEMPLATE_ADDR 0x4F0000 | |
15 | #define QLC_83XX_RESET_SEQ_VERSION 0x0101 | |
16 | ||
17 | #define QLC_83XX_OPCODE_NOP 0x0000 | |
18 | #define QLC_83XX_OPCODE_WRITE_LIST 0x0001 | |
19 | #define QLC_83XX_OPCODE_READ_WRITE_LIST 0x0002 | |
20 | #define QLC_83XX_OPCODE_POLL_LIST 0x0004 | |
21 | #define QLC_83XX_OPCODE_POLL_WRITE_LIST 0x0008 | |
22 | #define QLC_83XX_OPCODE_READ_MODIFY_WRITE 0x0010 | |
23 | #define QLC_83XX_OPCODE_SEQ_PAUSE 0x0020 | |
24 | #define QLC_83XX_OPCODE_SEQ_END 0x0040 | |
25 | #define QLC_83XX_OPCODE_TMPL_END 0x0080 | |
26 | #define QLC_83XX_OPCODE_POLL_READ_LIST 0x0100 | |
27 | ||
c0d79cd0 MC |
28 | /* EPORT control registers */ |
29 | #define QLC_83XX_RESET_CONTROL 0x28084E50 | |
30 | #define QLC_83XX_RESET_REG 0x28084E60 | |
31 | #define QLC_83XX_RESET_PORT0 0x28084E70 | |
32 | #define QLC_83XX_RESET_PORT1 0x28084E80 | |
33 | #define QLC_83XX_RESET_PORT2 0x28084E90 | |
34 | #define QLC_83XX_RESET_PORT3 0x28084EA0 | |
35 | #define QLC_83XX_RESET_SRESHIM 0x28084EB0 | |
36 | #define QLC_83XX_RESET_EPGSHIM 0x28084EC0 | |
37 | #define QLC_83XX_RESET_ETHERPCS 0x28084ED0 | |
38 | ||
629263ac | 39 | static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter); |
629263ac SC |
40 | static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev); |
41 | static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter); | |
42 | ||
81d0aeb0 SC |
43 | /* Template header */ |
44 | struct qlc_83xx_reset_hdr { | |
a96227e6 | 45 | #if defined(__LITTLE_ENDIAN) |
81d0aeb0 SC |
46 | u16 version; |
47 | u16 signature; | |
48 | u16 size; | |
49 | u16 entries; | |
50 | u16 hdr_size; | |
51 | u16 checksum; | |
52 | u16 init_offset; | |
53 | u16 start_offset; | |
a96227e6 SS |
54 | #elif defined(__BIG_ENDIAN) |
55 | u16 signature; | |
56 | u16 version; | |
57 | u16 entries; | |
58 | u16 size; | |
59 | u16 checksum; | |
60 | u16 hdr_size; | |
61 | u16 start_offset; | |
62 | u16 init_offset; | |
63 | #endif | |
81d0aeb0 SC |
64 | } __packed; |
65 | ||
66 | /* Command entry header. */ | |
67 | struct qlc_83xx_entry_hdr { | |
a96227e6 SS |
68 | #if defined(__LITTLE_ENDIAN) |
69 | u16 cmd; | |
70 | u16 size; | |
71 | u16 count; | |
72 | u16 delay; | |
73 | #elif defined(__BIG_ENDIAN) | |
74 | u16 size; | |
75 | u16 cmd; | |
76 | u16 delay; | |
77 | u16 count; | |
78 | #endif | |
81d0aeb0 SC |
79 | } __packed; |
80 | ||
81 | /* Generic poll command */ | |
82 | struct qlc_83xx_poll { | |
83 | u32 mask; | |
84 | u32 status; | |
85 | } __packed; | |
86 | ||
87 | /* Read modify write command */ | |
88 | struct qlc_83xx_rmw { | |
89 | u32 mask; | |
90 | u32 xor_value; | |
91 | u32 or_value; | |
a96227e6 | 92 | #if defined(__LITTLE_ENDIAN) |
81d0aeb0 SC |
93 | u8 shl; |
94 | u8 shr; | |
95 | u8 index_a; | |
96 | u8 rsvd; | |
a96227e6 SS |
97 | #elif defined(__BIG_ENDIAN) |
98 | u8 rsvd; | |
99 | u8 index_a; | |
100 | u8 shr; | |
101 | u8 shl; | |
102 | #endif | |
81d0aeb0 SC |
103 | } __packed; |
104 | ||
105 | /* Generic command with 2 DWORD */ | |
106 | struct qlc_83xx_entry { | |
107 | u32 arg1; | |
108 | u32 arg2; | |
109 | } __packed; | |
110 | ||
111 | /* Generic command with 4 DWORD */ | |
112 | struct qlc_83xx_quad_entry { | |
113 | u32 dr_addr; | |
114 | u32 dr_value; | |
115 | u32 ar_addr; | |
116 | u32 ar_value; | |
117 | } __packed; | |
629263ac SC |
118 | static const char *const qlc_83xx_idc_states[] = { |
119 | "Unknown", | |
120 | "Cold", | |
121 | "Init", | |
122 | "Ready", | |
123 | "Need Reset", | |
124 | "Need Quiesce", | |
125 | "Failed", | |
126 | "Quiesce" | |
127 | }; | |
128 | ||
629263ac SC |
129 | static int |
130 | qlcnic_83xx_idc_check_driver_presence_reg(struct qlcnic_adapter *adapter) | |
131 | { | |
132 | u32 val; | |
133 | ||
134 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
135 | if ((val & 0xFFFF)) | |
136 | return 1; | |
137 | else | |
138 | return 0; | |
139 | } | |
140 | ||
141 | static void qlcnic_83xx_idc_log_state_history(struct qlcnic_adapter *adapter) | |
142 | { | |
143 | u32 cur, prev; | |
144 | cur = adapter->ahw->idc.curr_state; | |
145 | prev = adapter->ahw->idc.prev_state; | |
146 | ||
147 | dev_info(&adapter->pdev->dev, | |
148 | "current state = %s, prev state = %s\n", | |
149 | adapter->ahw->idc.name[cur], | |
150 | adapter->ahw->idc.name[prev]); | |
151 | } | |
152 | ||
153 | static int qlcnic_83xx_idc_update_audit_reg(struct qlcnic_adapter *adapter, | |
154 | u8 mode, int lock) | |
155 | { | |
156 | u32 val; | |
157 | int seconds; | |
158 | ||
159 | if (lock) { | |
160 | if (qlcnic_83xx_lock_driver(adapter)) | |
161 | return -EBUSY; | |
162 | } | |
163 | ||
f036e4f4 RB |
164 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); |
165 | val |= (adapter->portnum & 0xf); | |
629263ac SC |
166 | val |= mode << 7; |
167 | if (mode) | |
168 | seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; | |
169 | else | |
170 | seconds = jiffies / HZ; | |
171 | ||
172 | val |= seconds << 8; | |
173 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT, val); | |
174 | adapter->ahw->idc.sec_counter = jiffies / HZ; | |
175 | ||
176 | if (lock) | |
177 | qlcnic_83xx_unlock_driver(adapter); | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | static void qlcnic_83xx_idc_update_minor_version(struct qlcnic_adapter *adapter) | |
183 | { | |
184 | u32 val; | |
185 | ||
186 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION); | |
187 | val = val & ~(0x3 << (adapter->portnum * 2)); | |
188 | val = val | (QLC_83XX_IDC_MINOR_VERSION << (adapter->portnum * 2)); | |
189 | QLCWRX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION, val); | |
190 | } | |
191 | ||
192 | static int qlcnic_83xx_idc_update_major_version(struct qlcnic_adapter *adapter, | |
193 | int lock) | |
194 | { | |
195 | u32 val; | |
196 | ||
197 | if (lock) { | |
198 | if (qlcnic_83xx_lock_driver(adapter)) | |
199 | return -EBUSY; | |
200 | } | |
201 | ||
202 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); | |
203 | val = val & ~0xFF; | |
204 | val = val | QLC_83XX_IDC_MAJOR_VERSION; | |
205 | QLCWRX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION, val); | |
206 | ||
207 | if (lock) | |
208 | qlcnic_83xx_unlock_driver(adapter); | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
213 | static int | |
214 | qlcnic_83xx_idc_update_drv_presence_reg(struct qlcnic_adapter *adapter, | |
215 | int status, int lock) | |
216 | { | |
217 | u32 val; | |
218 | ||
219 | if (lock) { | |
220 | if (qlcnic_83xx_lock_driver(adapter)) | |
221 | return -EBUSY; | |
222 | } | |
223 | ||
224 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
225 | ||
226 | if (status) | |
227 | val = val | (1 << adapter->portnum); | |
228 | else | |
229 | val = val & ~(1 << adapter->portnum); | |
230 | ||
231 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
232 | qlcnic_83xx_idc_update_minor_version(adapter); | |
233 | ||
234 | if (lock) | |
235 | qlcnic_83xx_unlock_driver(adapter); | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
240 | static int qlcnic_83xx_idc_check_major_version(struct qlcnic_adapter *adapter) | |
241 | { | |
242 | u32 val; | |
243 | u8 version; | |
244 | ||
245 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); | |
246 | version = val & 0xFF; | |
247 | ||
248 | if (version != QLC_83XX_IDC_MAJOR_VERSION) { | |
249 | dev_info(&adapter->pdev->dev, | |
250 | "%s:mismatch. version 0x%x, expected version 0x%x\n", | |
251 | __func__, version, QLC_83XX_IDC_MAJOR_VERSION); | |
252 | return -EIO; | |
253 | } | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | static int qlcnic_83xx_idc_clear_registers(struct qlcnic_adapter *adapter, | |
259 | int lock) | |
260 | { | |
261 | u32 val; | |
262 | ||
263 | if (lock) { | |
264 | if (qlcnic_83xx_lock_driver(adapter)) | |
265 | return -EBUSY; | |
266 | } | |
267 | ||
268 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, 0); | |
269 | /* Clear gracefull reset bit */ | |
270 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
271 | val &= ~QLC_83XX_IDC_GRACEFULL_RESET; | |
272 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
273 | ||
274 | if (lock) | |
275 | qlcnic_83xx_unlock_driver(adapter); | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
280 | static int qlcnic_83xx_idc_update_drv_ack_reg(struct qlcnic_adapter *adapter, | |
281 | int flag, int lock) | |
282 | { | |
283 | u32 val; | |
284 | ||
285 | if (lock) { | |
286 | if (qlcnic_83xx_lock_driver(adapter)) | |
287 | return -EBUSY; | |
288 | } | |
289 | ||
290 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); | |
291 | if (flag) | |
292 | val = val | (1 << adapter->portnum); | |
293 | else | |
294 | val = val & ~(1 << adapter->portnum); | |
295 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, val); | |
296 | ||
297 | if (lock) | |
298 | qlcnic_83xx_unlock_driver(adapter); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | static int qlcnic_83xx_idc_check_timeout(struct qlcnic_adapter *adapter, | |
304 | int time_limit) | |
305 | { | |
306 | u64 seconds; | |
307 | ||
308 | seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; | |
309 | if (seconds <= time_limit) | |
310 | return 0; | |
311 | else | |
312 | return -EBUSY; | |
313 | } | |
314 | ||
315 | /** | |
316 | * qlcnic_83xx_idc_check_reset_ack_reg | |
317 | * | |
318 | * @adapter: adapter structure | |
319 | * | |
320 | * Check ACK wait limit and clear the functions which failed to ACK | |
321 | * | |
322 | * Return 0 if all functions have acknowledged the reset request. | |
323 | **/ | |
324 | static int qlcnic_83xx_idc_check_reset_ack_reg(struct qlcnic_adapter *adapter) | |
325 | { | |
326 | int timeout; | |
327 | u32 ack, presence, val; | |
328 | ||
329 | timeout = QLC_83XX_IDC_RESET_TIMEOUT_SECS; | |
330 | ack = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); | |
331 | presence = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
332 | dev_info(&adapter->pdev->dev, | |
333 | "%s: ack = 0x%x, presence = 0x%x\n", __func__, ack, presence); | |
334 | if (!((ack & presence) == presence)) { | |
335 | if (qlcnic_83xx_idc_check_timeout(adapter, timeout)) { | |
336 | /* Clear functions which failed to ACK */ | |
337 | dev_info(&adapter->pdev->dev, | |
338 | "%s: ACK wait exceeds time limit\n", __func__); | |
339 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
340 | val = val & ~(ack ^ presence); | |
341 | if (qlcnic_83xx_lock_driver(adapter)) | |
342 | return -EBUSY; | |
343 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
344 | dev_info(&adapter->pdev->dev, | |
345 | "%s: updated drv presence reg = 0x%x\n", | |
346 | __func__, val); | |
347 | qlcnic_83xx_unlock_driver(adapter); | |
348 | return 0; | |
349 | ||
350 | } else { | |
351 | return 1; | |
352 | } | |
353 | } else { | |
354 | dev_info(&adapter->pdev->dev, | |
355 | "%s: Reset ACK received from all functions\n", | |
356 | __func__); | |
357 | return 0; | |
358 | } | |
359 | } | |
360 | ||
361 | /** | |
362 | * qlcnic_83xx_idc_tx_soft_reset | |
363 | * | |
364 | * @adapter: adapter structure | |
365 | * | |
366 | * Handle context deletion and recreation request from transmit routine | |
367 | * | |
368 | * Returns -EBUSY or Success (0) | |
369 | * | |
370 | **/ | |
371 | static int qlcnic_83xx_idc_tx_soft_reset(struct qlcnic_adapter *adapter) | |
372 | { | |
373 | struct net_device *netdev = adapter->netdev; | |
374 | ||
375 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
376 | return -EBUSY; | |
377 | ||
378 | netif_device_detach(netdev); | |
379 | qlcnic_down(adapter, netdev); | |
380 | qlcnic_up(adapter, netdev); | |
381 | netif_device_attach(netdev); | |
382 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
383 | dev_err(&adapter->pdev->dev, "%s:\n", __func__); | |
384 | ||
629263ac SC |
385 | return 0; |
386 | } | |
387 | ||
388 | /** | |
389 | * qlcnic_83xx_idc_detach_driver | |
390 | * | |
391 | * @adapter: adapter structure | |
392 | * Detach net interface, stop TX and cleanup resources before the HW reset. | |
393 | * Returns: None | |
394 | * | |
395 | **/ | |
396 | static void qlcnic_83xx_idc_detach_driver(struct qlcnic_adapter *adapter) | |
397 | { | |
398 | int i; | |
399 | struct net_device *netdev = adapter->netdev; | |
400 | ||
401 | netif_device_detach(netdev); | |
068a8d19 | 402 | qlcnic_83xx_detach_mailbox_work(adapter); |
f036e4f4 | 403 | |
629263ac | 404 | /* Disable mailbox interrupt */ |
f036e4f4 | 405 | qlcnic_83xx_disable_mbx_intr(adapter); |
629263ac SC |
406 | qlcnic_down(adapter, netdev); |
407 | for (i = 0; i < adapter->ahw->num_msix; i++) { | |
408 | adapter->ahw->intr_tbl[i].id = i; | |
409 | adapter->ahw->intr_tbl[i].enabled = 0; | |
410 | adapter->ahw->intr_tbl[i].src = 0; | |
411 | } | |
f036e4f4 RB |
412 | |
413 | if (qlcnic_sriov_pf_check(adapter)) | |
414 | qlcnic_sriov_pf_reset(adapter); | |
629263ac SC |
415 | } |
416 | ||
417 | /** | |
418 | * qlcnic_83xx_idc_attach_driver | |
419 | * | |
420 | * @adapter: adapter structure | |
421 | * | |
422 | * Re-attach and re-enable net interface | |
423 | * Returns: None | |
424 | * | |
425 | **/ | |
426 | static void qlcnic_83xx_idc_attach_driver(struct qlcnic_adapter *adapter) | |
427 | { | |
428 | struct net_device *netdev = adapter->netdev; | |
429 | ||
430 | if (netif_running(netdev)) { | |
431 | if (qlcnic_up(adapter, netdev)) | |
432 | goto done; | |
433 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); | |
434 | } | |
435 | done: | |
436 | netif_device_attach(netdev); | |
629263ac SC |
437 | } |
438 | ||
439 | static int qlcnic_83xx_idc_enter_failed_state(struct qlcnic_adapter *adapter, | |
440 | int lock) | |
441 | { | |
442 | if (lock) { | |
443 | if (qlcnic_83xx_lock_driver(adapter)) | |
444 | return -EBUSY; | |
445 | } | |
446 | ||
447 | qlcnic_83xx_idc_clear_registers(adapter, 0); | |
448 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_FAILED); | |
449 | if (lock) | |
450 | qlcnic_83xx_unlock_driver(adapter); | |
451 | ||
452 | qlcnic_83xx_idc_log_state_history(adapter); | |
453 | dev_info(&adapter->pdev->dev, "Device will enter failed state\n"); | |
454 | ||
455 | return 0; | |
456 | } | |
457 | ||
458 | static int qlcnic_83xx_idc_enter_init_state(struct qlcnic_adapter *adapter, | |
459 | int lock) | |
460 | { | |
461 | if (lock) { | |
462 | if (qlcnic_83xx_lock_driver(adapter)) | |
463 | return -EBUSY; | |
464 | } | |
465 | ||
466 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_INIT); | |
467 | ||
468 | if (lock) | |
469 | qlcnic_83xx_unlock_driver(adapter); | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | static int qlcnic_83xx_idc_enter_need_quiesce(struct qlcnic_adapter *adapter, | |
475 | int lock) | |
476 | { | |
477 | if (lock) { | |
478 | if (qlcnic_83xx_lock_driver(adapter)) | |
479 | return -EBUSY; | |
480 | } | |
481 | ||
482 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
483 | QLC_83XX_IDC_DEV_NEED_QUISCENT); | |
484 | ||
485 | if (lock) | |
486 | qlcnic_83xx_unlock_driver(adapter); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static int | |
492 | qlcnic_83xx_idc_enter_need_reset_state(struct qlcnic_adapter *adapter, int lock) | |
493 | { | |
494 | if (lock) { | |
495 | if (qlcnic_83xx_lock_driver(adapter)) | |
496 | return -EBUSY; | |
497 | } | |
498 | ||
499 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
500 | QLC_83XX_IDC_DEV_NEED_RESET); | |
501 | ||
502 | if (lock) | |
503 | qlcnic_83xx_unlock_driver(adapter); | |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
508 | static int qlcnic_83xx_idc_enter_ready_state(struct qlcnic_adapter *adapter, | |
509 | int lock) | |
510 | { | |
511 | if (lock) { | |
512 | if (qlcnic_83xx_lock_driver(adapter)) | |
513 | return -EBUSY; | |
514 | } | |
515 | ||
516 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_READY); | |
517 | if (lock) | |
518 | qlcnic_83xx_unlock_driver(adapter); | |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
523 | /** | |
524 | * qlcnic_83xx_idc_find_reset_owner_id | |
525 | * | |
526 | * @adapter: adapter structure | |
527 | * | |
528 | * NIC gets precedence over ISCSI and ISCSI has precedence over FCOE. | |
529 | * Within the same class, function with lowest PCI ID assumes ownership | |
530 | * | |
531 | * Returns: reset owner id or failure indication (-EIO) | |
532 | * | |
533 | **/ | |
534 | static int qlcnic_83xx_idc_find_reset_owner_id(struct qlcnic_adapter *adapter) | |
535 | { | |
536 | u32 reg, reg1, reg2, i, j, owner, class; | |
537 | ||
538 | reg1 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_1); | |
539 | reg2 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_2); | |
540 | owner = QLCNIC_TYPE_NIC; | |
541 | i = 0; | |
542 | j = 0; | |
543 | reg = reg1; | |
544 | ||
545 | do { | |
546 | class = (((reg & (0xF << j * 4)) >> j * 4) & 0x3); | |
547 | if (class == owner) | |
548 | break; | |
549 | if (i == (QLC_83XX_IDC_MAX_FUNC_PER_PARTITION_INFO - 1)) { | |
550 | reg = reg2; | |
551 | j = 0; | |
552 | } else { | |
553 | j++; | |
554 | } | |
555 | ||
556 | if (i == (QLC_83XX_IDC_MAX_CNA_FUNCTIONS - 1)) { | |
557 | if (owner == QLCNIC_TYPE_NIC) | |
558 | owner = QLCNIC_TYPE_ISCSI; | |
559 | else if (owner == QLCNIC_TYPE_ISCSI) | |
560 | owner = QLCNIC_TYPE_FCOE; | |
561 | else if (owner == QLCNIC_TYPE_FCOE) | |
562 | return -EIO; | |
563 | reg = reg1; | |
564 | j = 0; | |
565 | i = 0; | |
566 | } | |
567 | } while (i++ < QLC_83XX_IDC_MAX_CNA_FUNCTIONS); | |
568 | ||
569 | return i; | |
570 | } | |
571 | ||
572 | static int qlcnic_83xx_idc_restart_hw(struct qlcnic_adapter *adapter, int lock) | |
573 | { | |
574 | int ret = 0; | |
575 | ||
576 | ret = qlcnic_83xx_restart_hw(adapter); | |
577 | ||
578 | if (ret) { | |
579 | qlcnic_83xx_idc_enter_failed_state(adapter, lock); | |
580 | } else { | |
581 | qlcnic_83xx_idc_clear_registers(adapter, lock); | |
582 | ret = qlcnic_83xx_idc_enter_ready_state(adapter, lock); | |
583 | } | |
584 | ||
585 | return ret; | |
586 | } | |
587 | ||
588 | static int qlcnic_83xx_idc_check_fan_failure(struct qlcnic_adapter *adapter) | |
589 | { | |
590 | u32 status; | |
591 | ||
592 | status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); | |
593 | ||
594 | if (status & QLCNIC_RCODE_FATAL_ERROR) { | |
595 | dev_err(&adapter->pdev->dev, | |
596 | "peg halt status1=0x%x\n", status); | |
597 | if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { | |
598 | dev_err(&adapter->pdev->dev, | |
599 | "On board active cooling fan failed. " | |
600 | "Device has been halted.\n"); | |
601 | dev_err(&adapter->pdev->dev, | |
602 | "Replace the adapter.\n"); | |
603 | return -EIO; | |
604 | } | |
605 | } | |
606 | ||
607 | return 0; | |
608 | } | |
609 | ||
486a5bc7 | 610 | int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) |
629263ac | 611 | { |
f036e4f4 RB |
612 | int err; |
613 | ||
068a8d19 MC |
614 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
615 | qlcnic_83xx_enable_mbx_interrupt(adapter); | |
616 | ||
d5fcff04 HM |
617 | /* register for NIC IDC AEN Events */ |
618 | qlcnic_83xx_register_nic_idc_func(adapter, 1); | |
619 | ||
f036e4f4 RB |
620 | err = qlcnic_sriov_pf_reinit(adapter); |
621 | if (err) | |
622 | return err; | |
623 | ||
e5c4e6c6 | 624 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
629263ac SC |
625 | |
626 | if (qlcnic_83xx_configure_opmode(adapter)) { | |
627 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
628 | return -EIO; | |
629 | } | |
630 | ||
631 | if (adapter->nic_ops->init_driver(adapter)) { | |
632 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
633 | return -EIO; | |
634 | } | |
635 | ||
24866d15 HM |
636 | if (adapter->portnum == 0) |
637 | qlcnic_set_drv_version(adapter); | |
14d385b9 SC |
638 | |
639 | qlcnic_dcb_get_info(adapter); | |
629263ac SC |
640 | qlcnic_83xx_idc_attach_driver(adapter); |
641 | ||
642 | return 0; | |
643 | } | |
644 | ||
645 | static void qlcnic_83xx_idc_update_idc_params(struct qlcnic_adapter *adapter) | |
646 | { | |
536faa61 SC |
647 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
648 | ||
629263ac | 649 | qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 1); |
629263ac SC |
650 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); |
651 | set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); | |
536faa61 SC |
652 | |
653 | ahw->idc.quiesce_req = 0; | |
654 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; | |
655 | ahw->idc.err_code = 0; | |
656 | ahw->idc.collect_dump = 0; | |
657 | ahw->reset_context = 0; | |
658 | adapter->tx_timeo_cnt = 0; | |
099907fa | 659 | ahw->idc.delay_reset = 0; |
536faa61 SC |
660 | |
661 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
629263ac SC |
662 | } |
663 | ||
664 | /** | |
665 | * qlcnic_83xx_idc_ready_state_entry | |
666 | * | |
667 | * @adapter: adapter structure | |
668 | * | |
669 | * Perform ready state initialization, this routine will get invoked only | |
670 | * once from READY state. | |
671 | * | |
672 | * Returns: Error code or Success(0) | |
673 | * | |
674 | **/ | |
675 | int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *adapter) | |
676 | { | |
677 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
678 | ||
679 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) { | |
680 | qlcnic_83xx_idc_update_idc_params(adapter); | |
681 | /* Re-attach the device if required */ | |
682 | if ((ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || | |
683 | (ahw->idc.prev_state == QLC_83XX_IDC_DEV_INIT)) { | |
684 | if (qlcnic_83xx_idc_reattach_driver(adapter)) | |
685 | return -EIO; | |
686 | } | |
687 | } | |
688 | ||
689 | return 0; | |
690 | } | |
691 | ||
d71170fb SC |
692 | /** |
693 | * qlcnic_83xx_idc_vnic_pf_entry | |
694 | * | |
695 | * @adapter: adapter structure | |
696 | * | |
697 | * Ensure vNIC mode privileged function starts only after vNIC mode is | |
698 | * enabled by management function. | |
699 | * If vNIC mode is ready, start initialization. | |
700 | * | |
701 | * Returns: -EIO or 0 | |
702 | * | |
703 | **/ | |
704 | int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *adapter) | |
705 | { | |
706 | u32 state; | |
707 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
708 | ||
709 | /* Privileged function waits till mgmt function enables VNIC mode */ | |
710 | state = QLCRDX(adapter->ahw, QLC_83XX_VNIC_STATE); | |
711 | if (state != QLCNIC_DEV_NPAR_OPER) { | |
712 | if (!ahw->idc.vnic_wait_limit--) { | |
713 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
714 | return -EIO; | |
715 | } | |
716 | dev_info(&adapter->pdev->dev, "vNIC mode disabled\n"); | |
717 | return -EIO; | |
718 | ||
719 | } else { | |
720 | /* Perform one time initialization from ready state */ | |
721 | if (ahw->idc.vnic_state != QLCNIC_DEV_NPAR_OPER) { | |
722 | qlcnic_83xx_idc_update_idc_params(adapter); | |
723 | ||
724 | /* If the previous state is UNKNOWN, device will be | |
725 | already attached properly by Init routine*/ | |
726 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_UNKNOWN) { | |
727 | if (qlcnic_83xx_idc_reattach_driver(adapter)) | |
728 | return -EIO; | |
729 | } | |
730 | adapter->ahw->idc.vnic_state = QLCNIC_DEV_NPAR_OPER; | |
731 | dev_info(&adapter->pdev->dev, "vNIC mode enabled\n"); | |
732 | } | |
733 | } | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
629263ac SC |
738 | static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter) |
739 | { | |
740 | adapter->ahw->idc.err_code = -EIO; | |
741 | dev_err(&adapter->pdev->dev, | |
742 | "%s: Device in unknown state\n", __func__); | |
743 | return 0; | |
744 | } | |
745 | ||
746 | /** | |
747 | * qlcnic_83xx_idc_cold_state | |
748 | * | |
749 | * @adapter: adapter structure | |
750 | * | |
751 | * If HW is up and running device will enter READY state. | |
752 | * If firmware image from host needs to be loaded, device is | |
753 | * forced to start with the file firmware image. | |
754 | * | |
755 | * Returns: Error code or Success(0) | |
756 | * | |
757 | **/ | |
758 | static int qlcnic_83xx_idc_cold_state_handler(struct qlcnic_adapter *adapter) | |
759 | { | |
760 | qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 0); | |
761 | qlcnic_83xx_idc_update_audit_reg(adapter, 1, 0); | |
762 | ||
763 | if (qlcnic_load_fw_file) { | |
764 | qlcnic_83xx_idc_restart_hw(adapter, 0); | |
765 | } else { | |
766 | if (qlcnic_83xx_check_hw_status(adapter)) { | |
767 | qlcnic_83xx_idc_enter_failed_state(adapter, 0); | |
768 | return -EIO; | |
769 | } else { | |
770 | qlcnic_83xx_idc_enter_ready_state(adapter, 0); | |
771 | } | |
772 | } | |
773 | return 0; | |
774 | } | |
775 | ||
776 | /** | |
777 | * qlcnic_83xx_idc_init_state | |
778 | * | |
779 | * @adapter: adapter structure | |
780 | * | |
781 | * Reset owner will restart the device from this state. | |
782 | * Device will enter failed state if it remains | |
783 | * in this state for more than DEV_INIT time limit. | |
784 | * | |
785 | * Returns: Error code or Success(0) | |
786 | * | |
787 | **/ | |
788 | static int qlcnic_83xx_idc_init_state(struct qlcnic_adapter *adapter) | |
789 | { | |
790 | int timeout, ret = 0; | |
791 | u32 owner; | |
792 | ||
793 | timeout = QLC_83XX_IDC_INIT_TIMEOUT_SECS; | |
794 | if (adapter->ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) { | |
795 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
796 | if (adapter->ahw->pci_func == owner) | |
797 | ret = qlcnic_83xx_idc_restart_hw(adapter, 1); | |
798 | } else { | |
799 | ret = qlcnic_83xx_idc_check_timeout(adapter, timeout); | |
629263ac SC |
800 | } |
801 | ||
802 | return ret; | |
803 | } | |
804 | ||
805 | /** | |
806 | * qlcnic_83xx_idc_ready_state | |
807 | * | |
808 | * @adapter: adapter structure | |
809 | * | |
810 | * Perform IDC protocol specicifed actions after monitoring device state and | |
811 | * events. | |
812 | * | |
813 | * Returns: Error code or Success(0) | |
814 | * | |
815 | **/ | |
816 | static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter) | |
817 | { | |
629263ac | 818 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
068a8d19 | 819 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
629263ac | 820 | int ret = 0; |
068a8d19 | 821 | u32 val; |
629263ac SC |
822 | |
823 | /* Perform NIC configuration based ready state entry actions */ | |
824 | if (ahw->idc.state_entry(adapter)) | |
825 | return -EIO; | |
826 | ||
827 | if (qlcnic_check_temp(adapter)) { | |
828 | if (ahw->temp == QLCNIC_TEMP_PANIC) { | |
829 | qlcnic_83xx_idc_check_fan_failure(adapter); | |
830 | dev_err(&adapter->pdev->dev, | |
831 | "Error: device temperature %d above limits\n", | |
832 | adapter->ahw->temp); | |
068a8d19 | 833 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
629263ac SC |
834 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
835 | qlcnic_83xx_idc_detach_driver(adapter); | |
836 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
837 | return -EIO; | |
838 | } | |
839 | } | |
840 | ||
841 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
842 | ret = qlcnic_83xx_check_heartbeat(adapter); | |
843 | if (ret) { | |
844 | adapter->flags |= QLCNIC_FW_HANG; | |
845 | if (!(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { | |
068a8d19 | 846 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
629263ac SC |
847 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
848 | qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); | |
849 | } | |
850 | return -EIO; | |
851 | } | |
852 | ||
853 | if ((val & QLC_83XX_IDC_GRACEFULL_RESET) || ahw->idc.collect_dump) { | |
068a8d19 MC |
854 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
855 | ||
629263ac SC |
856 | /* Move to need reset state and prepare for reset */ |
857 | qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); | |
858 | return ret; | |
859 | } | |
860 | ||
861 | /* Check for soft reset request */ | |
862 | if (ahw->reset_context && | |
863 | !(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { | |
536faa61 | 864 | adapter->ahw->reset_context = 0; |
629263ac SC |
865 | qlcnic_83xx_idc_tx_soft_reset(adapter); |
866 | return ret; | |
867 | } | |
868 | ||
869 | /* Move to need quiesce state if requested */ | |
870 | if (adapter->ahw->idc.quiesce_req) { | |
871 | qlcnic_83xx_idc_enter_need_quiesce(adapter, 1); | |
872 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); | |
873 | return ret; | |
874 | } | |
875 | ||
876 | return ret; | |
877 | } | |
878 | ||
879 | /** | |
880 | * qlcnic_83xx_idc_need_reset_state | |
881 | * | |
882 | * @adapter: adapter structure | |
883 | * | |
884 | * Device will remain in this state until: | |
885 | * Reset request ACK's are recieved from all the functions | |
886 | * Wait time exceeds max time limit | |
887 | * | |
888 | * Returns: Error code or Success(0) | |
889 | * | |
890 | **/ | |
891 | static int qlcnic_83xx_idc_need_reset_state(struct qlcnic_adapter *adapter) | |
892 | { | |
068a8d19 | 893 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
629263ac SC |
894 | int ret = 0; |
895 | ||
896 | if (adapter->ahw->idc.prev_state != QLC_83XX_IDC_DEV_NEED_RESET) { | |
629263ac SC |
897 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); |
898 | set_bit(__QLCNIC_RESETTING, &adapter->state); | |
068a8d19 | 899 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
d71170fb SC |
900 | if (adapter->ahw->nic_mode == QLC_83XX_VIRTUAL_NIC_MODE) |
901 | qlcnic_83xx_disable_vnic_mode(adapter, 1); | |
099907fa SC |
902 | |
903 | if (qlcnic_check_diag_status(adapter)) { | |
904 | dev_info(&adapter->pdev->dev, | |
905 | "%s: Wait for diag completion\n", __func__); | |
906 | adapter->ahw->idc.delay_reset = 1; | |
907 | return 0; | |
908 | } else { | |
909 | qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); | |
910 | qlcnic_83xx_idc_detach_driver(adapter); | |
911 | } | |
629263ac SC |
912 | } |
913 | ||
099907fa | 914 | if (qlcnic_check_diag_status(adapter)) { |
629263ac | 915 | dev_info(&adapter->pdev->dev, |
099907fa SC |
916 | "%s: Wait for diag completion\n", __func__); |
917 | return -1; | |
918 | } else { | |
919 | if (adapter->ahw->idc.delay_reset) { | |
920 | qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); | |
921 | qlcnic_83xx_idc_detach_driver(adapter); | |
922 | adapter->ahw->idc.delay_reset = 0; | |
923 | } | |
924 | ||
925 | /* Check for ACK from other functions */ | |
926 | ret = qlcnic_83xx_idc_check_reset_ack_reg(adapter); | |
927 | if (ret) { | |
928 | dev_info(&adapter->pdev->dev, | |
929 | "%s: Waiting for reset ACK\n", __func__); | |
930 | return -1; | |
931 | } | |
629263ac SC |
932 | } |
933 | ||
934 | /* Transit to INIT state and restart the HW */ | |
935 | qlcnic_83xx_idc_enter_init_state(adapter, 1); | |
936 | ||
937 | return ret; | |
938 | } | |
939 | ||
940 | static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter) | |
941 | { | |
942 | dev_err(&adapter->pdev->dev, "%s: TBD\n", __func__); | |
943 | return 0; | |
944 | } | |
945 | ||
946 | static int qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter) | |
947 | { | |
948 | dev_err(&adapter->pdev->dev, "%s: please restart!!\n", __func__); | |
536faa61 | 949 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
629263ac SC |
950 | adapter->ahw->idc.err_code = -EIO; |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
955 | static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter) | |
956 | { | |
957 | dev_info(&adapter->pdev->dev, "%s: TBD\n", __func__); | |
958 | return 0; | |
959 | } | |
960 | ||
961 | static int qlcnic_83xx_idc_check_state_validity(struct qlcnic_adapter *adapter, | |
962 | u32 state) | |
963 | { | |
964 | u32 cur, prev, next; | |
965 | ||
966 | cur = adapter->ahw->idc.curr_state; | |
967 | prev = adapter->ahw->idc.prev_state; | |
968 | next = state; | |
969 | ||
970 | if ((next < QLC_83XX_IDC_DEV_COLD) || | |
971 | (next > QLC_83XX_IDC_DEV_QUISCENT)) { | |
972 | dev_err(&adapter->pdev->dev, | |
973 | "%s: curr %d, prev %d, next state %d is invalid\n", | |
974 | __func__, cur, prev, state); | |
975 | return 1; | |
976 | } | |
977 | ||
978 | if ((cur == QLC_83XX_IDC_DEV_UNKNOWN) && | |
979 | (prev == QLC_83XX_IDC_DEV_UNKNOWN)) { | |
980 | if ((next != QLC_83XX_IDC_DEV_COLD) && | |
981 | (next != QLC_83XX_IDC_DEV_READY)) { | |
982 | dev_err(&adapter->pdev->dev, | |
983 | "%s: failed, cur %d prev %d next %d\n", | |
984 | __func__, cur, prev, next); | |
985 | return 1; | |
986 | } | |
987 | } | |
988 | ||
989 | if (next == QLC_83XX_IDC_DEV_INIT) { | |
990 | if ((prev != QLC_83XX_IDC_DEV_INIT) && | |
991 | (prev != QLC_83XX_IDC_DEV_COLD) && | |
992 | (prev != QLC_83XX_IDC_DEV_NEED_RESET)) { | |
993 | dev_err(&adapter->pdev->dev, | |
994 | "%s: failed, cur %d prev %d next %d\n", | |
995 | __func__, cur, prev, next); | |
996 | return 1; | |
997 | } | |
998 | } | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | static void qlcnic_83xx_periodic_tasks(struct qlcnic_adapter *adapter) | |
1004 | { | |
1005 | if (adapter->fhash.fnum) | |
1006 | qlcnic_prune_lb_filters(adapter); | |
1007 | } | |
1008 | ||
1009 | /** | |
1010 | * qlcnic_83xx_idc_poll_dev_state | |
1011 | * | |
1012 | * @work: kernel work queue structure used to schedule the function | |
1013 | * | |
1014 | * Poll device state periodically and perform state specific | |
1015 | * actions defined by Inter Driver Communication (IDC) protocol. | |
1016 | * | |
1017 | * Returns: None | |
1018 | * | |
1019 | **/ | |
1020 | void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work) | |
1021 | { | |
1022 | struct qlcnic_adapter *adapter; | |
1023 | u32 state; | |
1024 | ||
1025 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); | |
1026 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1027 | ||
1028 | if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { | |
1029 | qlcnic_83xx_idc_log_state_history(adapter); | |
1030 | adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1031 | } else { | |
1032 | adapter->ahw->idc.curr_state = state; | |
1033 | } | |
1034 | ||
1035 | switch (adapter->ahw->idc.curr_state) { | |
1036 | case QLC_83XX_IDC_DEV_READY: | |
1037 | qlcnic_83xx_idc_ready_state(adapter); | |
1038 | break; | |
1039 | case QLC_83XX_IDC_DEV_NEED_RESET: | |
1040 | qlcnic_83xx_idc_need_reset_state(adapter); | |
1041 | break; | |
1042 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: | |
1043 | qlcnic_83xx_idc_need_quiesce_state(adapter); | |
1044 | break; | |
1045 | case QLC_83XX_IDC_DEV_FAILED: | |
1046 | qlcnic_83xx_idc_failed_state(adapter); | |
1047 | return; | |
1048 | case QLC_83XX_IDC_DEV_INIT: | |
1049 | qlcnic_83xx_idc_init_state(adapter); | |
1050 | break; | |
1051 | case QLC_83XX_IDC_DEV_QUISCENT: | |
1052 | qlcnic_83xx_idc_quiesce_state(adapter); | |
1053 | break; | |
1054 | default: | |
1055 | qlcnic_83xx_idc_unknown_state(adapter); | |
1056 | return; | |
1057 | } | |
1058 | adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state; | |
1059 | qlcnic_83xx_periodic_tasks(adapter); | |
1060 | ||
1061 | /* Re-schedule the function */ | |
1062 | if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status)) | |
1063 | qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, | |
1064 | adapter->ahw->idc.delay); | |
1065 | } | |
1066 | ||
1067 | static void qlcnic_83xx_setup_idc_parameters(struct qlcnic_adapter *adapter) | |
1068 | { | |
1069 | u32 idc_params, val; | |
1070 | ||
1071 | if (qlcnic_83xx_lockless_flash_read32(adapter, | |
1072 | QLC_83XX_IDC_FLASH_PARAM_ADDR, | |
1073 | (u8 *)&idc_params, 1)) { | |
1074 | dev_info(&adapter->pdev->dev, | |
1075 | "%s:failed to get IDC params from flash\n", __func__); | |
1076 | adapter->dev_init_timeo = QLC_83XX_IDC_INIT_TIMEOUT_SECS; | |
1077 | adapter->reset_ack_timeo = QLC_83XX_IDC_RESET_TIMEOUT_SECS; | |
1078 | } else { | |
1079 | adapter->dev_init_timeo = idc_params & 0xFFFF; | |
1080 | adapter->reset_ack_timeo = ((idc_params >> 16) & 0xFFFF); | |
1081 | } | |
1082 | ||
1083 | adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1084 | adapter->ahw->idc.prev_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1085 | adapter->ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; | |
1086 | adapter->ahw->idc.err_code = 0; | |
1087 | adapter->ahw->idc.collect_dump = 0; | |
1088 | adapter->ahw->idc.name = (char **)qlc_83xx_idc_states; | |
1089 | ||
1090 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
629263ac SC |
1091 | set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
1092 | ||
1093 | /* Check if reset recovery is disabled */ | |
1094 | if (!qlcnic_auto_fw_reset) { | |
1095 | /* Propagate do not reset request to other functions */ | |
1096 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1097 | val = val | QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; | |
1098 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | static int | |
1103 | qlcnic_83xx_idc_first_to_load_function_handler(struct qlcnic_adapter *adapter) | |
1104 | { | |
1105 | u32 state, val; | |
1106 | ||
1107 | if (qlcnic_83xx_lock_driver(adapter)) | |
1108 | return -EIO; | |
1109 | ||
1110 | /* Clear driver lock register */ | |
1111 | QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, 0); | |
1112 | if (qlcnic_83xx_idc_update_major_version(adapter, 0)) { | |
1113 | qlcnic_83xx_unlock_driver(adapter); | |
1114 | return -EIO; | |
1115 | } | |
1116 | ||
1117 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1118 | if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { | |
1119 | qlcnic_83xx_unlock_driver(adapter); | |
1120 | return -EIO; | |
1121 | } | |
1122 | ||
1123 | if (state != QLC_83XX_IDC_DEV_COLD && qlcnic_load_fw_file) { | |
1124 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
1125 | QLC_83XX_IDC_DEV_COLD); | |
1126 | state = QLC_83XX_IDC_DEV_COLD; | |
1127 | } | |
1128 | ||
1129 | adapter->ahw->idc.curr_state = state; | |
1130 | /* First to load function should cold boot the device */ | |
1131 | if (state == QLC_83XX_IDC_DEV_COLD) | |
1132 | qlcnic_83xx_idc_cold_state_handler(adapter); | |
1133 | ||
1134 | /* Check if reset recovery is enabled */ | |
1135 | if (qlcnic_auto_fw_reset) { | |
1136 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1137 | val = val & ~QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; | |
1138 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1139 | } | |
1140 | ||
1141 | qlcnic_83xx_unlock_driver(adapter); | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
486a5bc7 | 1146 | int qlcnic_83xx_idc_init(struct qlcnic_adapter *adapter) |
629263ac | 1147 | { |
81d0aeb0 SC |
1148 | int ret = -EIO; |
1149 | ||
629263ac SC |
1150 | qlcnic_83xx_setup_idc_parameters(adapter); |
1151 | ||
81d0aeb0 SC |
1152 | if (qlcnic_83xx_get_reset_instruction_template(adapter)) |
1153 | return ret; | |
1154 | ||
629263ac SC |
1155 | if (!qlcnic_83xx_idc_check_driver_presence_reg(adapter)) { |
1156 | if (qlcnic_83xx_idc_first_to_load_function_handler(adapter)) | |
1157 | return -EIO; | |
1158 | } else { | |
1159 | if (qlcnic_83xx_idc_check_major_version(adapter)) | |
1160 | return -EIO; | |
1161 | } | |
1162 | ||
1163 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); | |
1164 | ||
1165 | return 0; | |
1166 | } | |
1167 | ||
1168 | void qlcnic_83xx_idc_exit(struct qlcnic_adapter *adapter) | |
1169 | { | |
1170 | int id; | |
1171 | u32 val; | |
1172 | ||
1173 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1174 | usleep_range(10000, 11000); | |
1175 | ||
1176 | id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); | |
1177 | id = id & 0xFF; | |
1178 | ||
1179 | if (id == adapter->portnum) { | |
1180 | dev_err(&adapter->pdev->dev, | |
1181 | "%s: wait for lock recovery.. %d\n", __func__, id); | |
1182 | msleep(20); | |
1183 | id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); | |
1184 | id = id & 0xFF; | |
1185 | } | |
1186 | ||
1187 | /* Clear driver presence bit */ | |
1188 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
1189 | val = val & ~(1 << adapter->portnum); | |
1190 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
1191 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); | |
1192 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1193 | ||
1194 | cancel_delayed_work_sync(&adapter->fw_work); | |
1195 | } | |
1196 | ||
1197 | void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key) | |
1198 | { | |
1199 | u32 val; | |
1200 | ||
068a8d19 MC |
1201 | if (qlcnic_sriov_vf_check(adapter)) |
1202 | return; | |
1203 | ||
629263ac SC |
1204 | if (qlcnic_83xx_lock_driver(adapter)) { |
1205 | dev_err(&adapter->pdev->dev, | |
1206 | "%s:failed, please retry\n", __func__); | |
1207 | return; | |
1208 | } | |
1209 | ||
1210 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1211 | if ((val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) || | |
1212 | !qlcnic_auto_fw_reset) { | |
1213 | dev_err(&adapter->pdev->dev, | |
1214 | "%s:failed, device in non reset mode\n", __func__); | |
1215 | qlcnic_83xx_unlock_driver(adapter); | |
1216 | return; | |
1217 | } | |
1218 | ||
1219 | if (key == QLCNIC_FORCE_FW_RESET) { | |
1220 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1221 | val = val | QLC_83XX_IDC_GRACEFULL_RESET; | |
1222 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1223 | } else if (key == QLCNIC_FORCE_FW_DUMP_KEY) { | |
1224 | adapter->ahw->idc.collect_dump = 1; | |
1225 | } | |
1226 | ||
1227 | qlcnic_83xx_unlock_driver(adapter); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | static int qlcnic_83xx_copy_bootloader(struct qlcnic_adapter *adapter) | |
1232 | { | |
1233 | u8 *p_cache; | |
1234 | u32 src, size; | |
1235 | u64 dest; | |
1236 | int ret = -EIO; | |
1237 | ||
1238 | src = QLC_83XX_BOOTLOADER_FLASH_ADDR; | |
1239 | dest = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_ADDR); | |
1240 | size = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_SIZE); | |
1241 | ||
1242 | /* alignment check */ | |
1243 | if (size & 0xF) | |
1244 | size = (size + 16) & ~0xF; | |
1245 | ||
1246 | p_cache = kzalloc(size, GFP_KERNEL); | |
b2adaca9 | 1247 | if (p_cache == NULL) |
629263ac | 1248 | return -ENOMEM; |
b2adaca9 | 1249 | |
629263ac SC |
1250 | ret = qlcnic_83xx_lockless_flash_read32(adapter, src, p_cache, |
1251 | size / sizeof(u32)); | |
1252 | if (ret) { | |
1253 | kfree(p_cache); | |
1254 | return ret; | |
1255 | } | |
1256 | /* 16 byte write to MS memory */ | |
1257 | ret = qlcnic_83xx_ms_mem_write128(adapter, dest, (u32 *)p_cache, | |
1258 | size / 16); | |
1259 | if (ret) { | |
1260 | kfree(p_cache); | |
1261 | return ret; | |
1262 | } | |
1263 | kfree(p_cache); | |
1264 | ||
1265 | return ret; | |
1266 | } | |
1267 | ||
1268 | static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) | |
1269 | { | |
7000078a PP |
1270 | struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; |
1271 | const struct firmware *fw = fw_info->fw; | |
629263ac | 1272 | u32 dest, *p_cache; |
7000078a | 1273 | int i, ret = -EIO; |
629263ac SC |
1274 | u8 data[16]; |
1275 | size_t size; | |
7000078a | 1276 | u64 addr; |
629263ac SC |
1277 | |
1278 | dest = QLCRDX(adapter->ahw, QLCNIC_FW_IMAGE_ADDR); | |
7000078a PP |
1279 | size = (fw->size & ~0xF); |
1280 | p_cache = (u32 *)fw->data; | |
629263ac SC |
1281 | addr = (u64)dest; |
1282 | ||
1283 | ret = qlcnic_83xx_ms_mem_write128(adapter, addr, | |
1284 | (u32 *)p_cache, size / 16); | |
1285 | if (ret) { | |
1286 | dev_err(&adapter->pdev->dev, "MS memory write failed\n"); | |
7000078a PP |
1287 | release_firmware(fw); |
1288 | fw_info->fw = NULL; | |
629263ac SC |
1289 | return -EIO; |
1290 | } | |
1291 | ||
1292 | /* alignment check */ | |
7000078a | 1293 | if (fw->size & 0xF) { |
629263ac | 1294 | addr = dest + size; |
7000078a PP |
1295 | for (i = 0; i < (fw->size & 0xF); i++) |
1296 | data[i] = fw->data[size + i]; | |
629263ac SC |
1297 | for (; i < 16; i++) |
1298 | data[i] = 0; | |
1299 | ret = qlcnic_83xx_ms_mem_write128(adapter, addr, | |
1300 | (u32 *)data, 1); | |
1301 | if (ret) { | |
1302 | dev_err(&adapter->pdev->dev, | |
1303 | "MS memory write failed\n"); | |
7000078a PP |
1304 | release_firmware(fw); |
1305 | fw_info->fw = NULL; | |
629263ac SC |
1306 | return -EIO; |
1307 | } | |
1308 | } | |
7000078a PP |
1309 | release_firmware(fw); |
1310 | fw_info->fw = NULL; | |
629263ac SC |
1311 | |
1312 | return 0; | |
1313 | } | |
1314 | ||
1315 | static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) | |
1316 | { | |
1317 | int i, j; | |
1318 | u32 val = 0, val1 = 0, reg = 0; | |
4bd8e738 | 1319 | int err = 0; |
629263ac | 1320 | |
4bd8e738 HM |
1321 | val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG, &err); |
1322 | if (err == -EIO) | |
1323 | return; | |
629263ac SC |
1324 | dev_info(&adapter->pdev->dev, "SRE-Shim Ctrl:0x%x\n", val); |
1325 | ||
1326 | for (j = 0; j < 2; j++) { | |
1327 | if (j == 0) { | |
1328 | dev_info(&adapter->pdev->dev, | |
1329 | "Port 0 RxB Pause Threshold Regs[TC7..TC0]:"); | |
1330 | reg = QLC_83XX_PORT0_THRESHOLD; | |
1331 | } else if (j == 1) { | |
1332 | dev_info(&adapter->pdev->dev, | |
1333 | "Port 1 RxB Pause Threshold Regs[TC7..TC0]:"); | |
1334 | reg = QLC_83XX_PORT1_THRESHOLD; | |
1335 | } | |
1336 | for (i = 0; i < 8; i++) { | |
4bd8e738 HM |
1337 | val = QLCRD32(adapter, reg + (i * 0x4), &err); |
1338 | if (err == -EIO) | |
1339 | return; | |
629263ac SC |
1340 | dev_info(&adapter->pdev->dev, "0x%x ", val); |
1341 | } | |
1342 | dev_info(&adapter->pdev->dev, "\n"); | |
1343 | } | |
1344 | ||
1345 | for (j = 0; j < 2; j++) { | |
1346 | if (j == 0) { | |
1347 | dev_info(&adapter->pdev->dev, | |
1348 | "Port 0 RxB TC Max Cell Registers[4..1]:"); | |
1349 | reg = QLC_83XX_PORT0_TC_MC_REG; | |
1350 | } else if (j == 1) { | |
1351 | dev_info(&adapter->pdev->dev, | |
1352 | "Port 1 RxB TC Max Cell Registers[4..1]:"); | |
1353 | reg = QLC_83XX_PORT1_TC_MC_REG; | |
1354 | } | |
1355 | for (i = 0; i < 4; i++) { | |
4bd8e738 HM |
1356 | val = QLCRD32(adapter, reg + (i * 0x4), &err); |
1357 | if (err == -EIO) | |
1358 | return; | |
1359 | dev_info(&adapter->pdev->dev, "0x%x ", val); | |
629263ac SC |
1360 | } |
1361 | dev_info(&adapter->pdev->dev, "\n"); | |
1362 | } | |
1363 | ||
1364 | for (j = 0; j < 2; j++) { | |
1365 | if (j == 0) { | |
1366 | dev_info(&adapter->pdev->dev, | |
1367 | "Port 0 RxB Rx TC Stats[TC7..TC0]:"); | |
1368 | reg = QLC_83XX_PORT0_TC_STATS; | |
1369 | } else if (j == 1) { | |
1370 | dev_info(&adapter->pdev->dev, | |
1371 | "Port 1 RxB Rx TC Stats[TC7..TC0]:"); | |
1372 | reg = QLC_83XX_PORT1_TC_STATS; | |
1373 | } | |
1374 | for (i = 7; i >= 0; i--) { | |
4bd8e738 HM |
1375 | val = QLCRD32(adapter, reg, &err); |
1376 | if (err == -EIO) | |
1377 | return; | |
629263ac SC |
1378 | val &= ~(0x7 << 29); /* Reset bits 29 to 31 */ |
1379 | QLCWR32(adapter, reg, (val | (i << 29))); | |
4bd8e738 HM |
1380 | val = QLCRD32(adapter, reg, &err); |
1381 | if (err == -EIO) | |
1382 | return; | |
629263ac SC |
1383 | dev_info(&adapter->pdev->dev, "0x%x ", val); |
1384 | } | |
1385 | dev_info(&adapter->pdev->dev, "\n"); | |
1386 | } | |
1387 | ||
4bd8e738 HM |
1388 | val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, &err); |
1389 | if (err == -EIO) | |
1390 | return; | |
1391 | val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, &err); | |
1392 | if (err == -EIO) | |
1393 | return; | |
629263ac SC |
1394 | dev_info(&adapter->pdev->dev, |
1395 | "IFB-Pause Thresholds: Port 2:0x%x, Port 3:0x%x\n", | |
1396 | val, val1); | |
1397 | } | |
1398 | ||
81d0aeb0 | 1399 | |
629263ac SC |
1400 | static void qlcnic_83xx_disable_pause_frames(struct qlcnic_adapter *adapter) |
1401 | { | |
1402 | u32 reg = 0, i, j; | |
1403 | ||
1404 | if (qlcnic_83xx_lock_driver(adapter)) { | |
1405 | dev_err(&adapter->pdev->dev, | |
1406 | "%s:failed to acquire driver lock\n", __func__); | |
1407 | return; | |
1408 | } | |
1409 | ||
1410 | qlcnic_83xx_dump_pause_control_regs(adapter); | |
1411 | QLCWR32(adapter, QLC_83XX_SRE_SHIM_REG, 0x0); | |
1412 | ||
1413 | for (j = 0; j < 2; j++) { | |
1414 | if (j == 0) | |
1415 | reg = QLC_83XX_PORT0_THRESHOLD; | |
1416 | else if (j == 1) | |
1417 | reg = QLC_83XX_PORT1_THRESHOLD; | |
1418 | ||
1419 | for (i = 0; i < 8; i++) | |
1420 | QLCWR32(adapter, reg + (i * 0x4), 0x0); | |
1421 | } | |
1422 | ||
1423 | for (j = 0; j < 2; j++) { | |
1424 | if (j == 0) | |
1425 | reg = QLC_83XX_PORT0_TC_MC_REG; | |
1426 | else if (j == 1) | |
1427 | reg = QLC_83XX_PORT1_TC_MC_REG; | |
1428 | ||
1429 | for (i = 0; i < 4; i++) | |
1430 | QLCWR32(adapter, reg + (i * 0x4), 0x03FF03FF); | |
1431 | } | |
1432 | ||
1433 | QLCWR32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, 0); | |
1434 | QLCWR32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, 0); | |
1435 | dev_info(&adapter->pdev->dev, | |
1436 | "Disabled pause frames successfully on all ports\n"); | |
1437 | qlcnic_83xx_unlock_driver(adapter); | |
1438 | } | |
1439 | ||
c0d79cd0 MC |
1440 | static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) |
1441 | { | |
1442 | QLCWR32(adapter, QLC_83XX_RESET_REG, 0); | |
1443 | QLCWR32(adapter, QLC_83XX_RESET_PORT0, 0); | |
1444 | QLCWR32(adapter, QLC_83XX_RESET_PORT1, 0); | |
1445 | QLCWR32(adapter, QLC_83XX_RESET_PORT2, 0); | |
1446 | QLCWR32(adapter, QLC_83XX_RESET_PORT3, 0); | |
1447 | QLCWR32(adapter, QLC_83XX_RESET_SRESHIM, 0); | |
1448 | QLCWR32(adapter, QLC_83XX_RESET_EPGSHIM, 0); | |
1449 | QLCWR32(adapter, QLC_83XX_RESET_ETHERPCS, 0); | |
1450 | QLCWR32(adapter, QLC_83XX_RESET_CONTROL, 1); | |
1451 | } | |
1452 | ||
629263ac SC |
1453 | static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) |
1454 | { | |
1455 | u32 heartbeat, peg_status; | |
4bd8e738 | 1456 | int retries, ret = -EIO, err = 0; |
629263ac SC |
1457 | |
1458 | retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; | |
1459 | p_dev->heartbeat = QLC_SHARED_REG_RD32(p_dev, | |
1460 | QLCNIC_PEG_ALIVE_COUNTER); | |
1461 | ||
1462 | do { | |
1463 | msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); | |
1464 | heartbeat = QLC_SHARED_REG_RD32(p_dev, | |
1465 | QLCNIC_PEG_ALIVE_COUNTER); | |
1466 | if (heartbeat != p_dev->heartbeat) { | |
1467 | ret = QLCNIC_RCODE_SUCCESS; | |
1468 | break; | |
1469 | } | |
1470 | } while (--retries); | |
1471 | ||
1472 | if (ret) { | |
1473 | dev_err(&p_dev->pdev->dev, "firmware hang detected\n"); | |
c0d79cd0 | 1474 | qlcnic_83xx_take_eport_out_of_reset(p_dev); |
629263ac SC |
1475 | qlcnic_83xx_disable_pause_frames(p_dev); |
1476 | peg_status = QLC_SHARED_REG_RD32(p_dev, | |
1477 | QLCNIC_PEG_HALT_STATUS1); | |
1478 | dev_info(&p_dev->pdev->dev, "Dumping HW/FW registers\n" | |
1479 | "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" | |
1480 | "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" | |
1481 | "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" | |
1482 | "PEG_NET_4_PC: 0x%x\n", peg_status, | |
1483 | QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS2), | |
4bd8e738 HM |
1484 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0, &err), |
1485 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1, &err), | |
1486 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2, &err), | |
1487 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3, &err), | |
1488 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4, &err)); | |
629263ac SC |
1489 | |
1490 | if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) | |
1491 | dev_err(&p_dev->pdev->dev, | |
1492 | "Device is being reset err code 0x00006700.\n"); | |
1493 | } | |
1494 | ||
1495 | return ret; | |
1496 | } | |
1497 | ||
1498 | static int qlcnic_83xx_check_cmd_peg_status(struct qlcnic_adapter *p_dev) | |
1499 | { | |
1500 | int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; | |
1501 | u32 val; | |
1502 | ||
1503 | do { | |
1504 | val = QLC_SHARED_REG_RD32(p_dev, QLCNIC_CMDPEG_STATE); | |
1505 | if (val == QLC_83XX_CMDPEG_COMPLETE) | |
1506 | return 0; | |
1507 | msleep(QLCNIC_CMDPEG_CHECK_DELAY); | |
1508 | } while (--retries); | |
1509 | ||
1510 | dev_err(&p_dev->pdev->dev, "%s: failed, state = 0x%x\n", __func__, val); | |
1511 | return -EIO; | |
1512 | } | |
1513 | ||
1514 | int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) | |
1515 | { | |
1516 | int err; | |
1517 | ||
1518 | err = qlcnic_83xx_check_cmd_peg_status(p_dev); | |
1519 | if (err) | |
1520 | return err; | |
1521 | ||
1522 | err = qlcnic_83xx_check_heartbeat(p_dev); | |
1523 | if (err) | |
1524 | return err; | |
1525 | ||
1526 | return err; | |
1527 | } | |
1528 | ||
81d0aeb0 SC |
1529 | static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, |
1530 | int duration, u32 mask, u32 status) | |
1531 | { | |
4bd8e738 | 1532 | int timeout_error, err = 0; |
81d0aeb0 | 1533 | u32 value; |
81d0aeb0 SC |
1534 | u8 retries; |
1535 | ||
4bd8e738 HM |
1536 | value = QLCRD32(p_dev, addr, &err); |
1537 | if (err == -EIO) | |
1538 | return err; | |
81d0aeb0 SC |
1539 | retries = duration / 10; |
1540 | ||
1541 | do { | |
1542 | if ((value & mask) != status) { | |
1543 | timeout_error = 1; | |
1544 | msleep(duration / 10); | |
4bd8e738 HM |
1545 | value = QLCRD32(p_dev, addr, &err); |
1546 | if (err == -EIO) | |
1547 | return err; | |
81d0aeb0 SC |
1548 | } else { |
1549 | timeout_error = 0; | |
1550 | break; | |
1551 | } | |
1552 | } while (retries--); | |
1553 | ||
1554 | if (timeout_error) { | |
1555 | p_dev->ahw->reset.seq_error++; | |
1556 | dev_err(&p_dev->pdev->dev, | |
1557 | "%s: Timeout Err, entry_num = %d\n", | |
1558 | __func__, p_dev->ahw->reset.seq_index); | |
1559 | dev_err(&p_dev->pdev->dev, | |
1560 | "0x%08x 0x%08x 0x%08x\n", | |
1561 | value, mask, status); | |
1562 | } | |
1563 | ||
1564 | return timeout_error; | |
1565 | } | |
1566 | ||
1567 | static int qlcnic_83xx_reset_template_checksum(struct qlcnic_adapter *p_dev) | |
1568 | { | |
1569 | u32 sum = 0; | |
1570 | u16 *buff = (u16 *)p_dev->ahw->reset.buff; | |
1571 | int count = p_dev->ahw->reset.hdr->size / sizeof(u16); | |
1572 | ||
1573 | while (count-- > 0) | |
1574 | sum += *buff++; | |
1575 | ||
1576 | while (sum >> 16) | |
1577 | sum = (sum & 0xFFFF) + (sum >> 16); | |
1578 | ||
1579 | if (~sum) { | |
1580 | return 0; | |
1581 | } else { | |
1582 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
1583 | return -1; | |
1584 | } | |
1585 | } | |
1586 | ||
1587 | int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) | |
1588 | { | |
81d0aeb0 | 1589 | struct qlcnic_hardware_context *ahw = p_dev->ahw; |
486a5bc7 RB |
1590 | u32 addr, count, prev_ver, curr_ver; |
1591 | u8 *p_buff; | |
1592 | ||
1593 | if (ahw->reset.buff != NULL) { | |
1594 | prev_ver = p_dev->fw_version; | |
1595 | curr_ver = qlcnic_83xx_get_fw_version(p_dev); | |
1596 | if (curr_ver > prev_ver) | |
1597 | kfree(ahw->reset.buff); | |
1598 | else | |
1599 | return 0; | |
1600 | } | |
81d0aeb0 SC |
1601 | |
1602 | ahw->reset.seq_error = 0; | |
1603 | ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL); | |
b2adaca9 | 1604 | if (p_dev->ahw->reset.buff == NULL) |
81d0aeb0 | 1605 | return -ENOMEM; |
b2adaca9 | 1606 | |
81d0aeb0 SC |
1607 | p_buff = p_dev->ahw->reset.buff; |
1608 | addr = QLC_83XX_RESET_TEMPLATE_ADDR; | |
1609 | count = sizeof(struct qlc_83xx_reset_hdr) / sizeof(u32); | |
1610 | ||
1611 | /* Copy template header from flash */ | |
1612 | if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { | |
1613 | dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); | |
1614 | return -EIO; | |
1615 | } | |
1616 | ahw->reset.hdr = (struct qlc_83xx_reset_hdr *)ahw->reset.buff; | |
1617 | addr = QLC_83XX_RESET_TEMPLATE_ADDR + ahw->reset.hdr->hdr_size; | |
1618 | p_buff = ahw->reset.buff + ahw->reset.hdr->hdr_size; | |
1619 | count = (ahw->reset.hdr->size - ahw->reset.hdr->hdr_size) / sizeof(u32); | |
1620 | ||
1621 | /* Copy rest of the template */ | |
1622 | if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { | |
1623 | dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); | |
1624 | return -EIO; | |
1625 | } | |
1626 | ||
1627 | if (qlcnic_83xx_reset_template_checksum(p_dev)) | |
1628 | return -EIO; | |
1629 | /* Get Stop, Start and Init command offsets */ | |
1630 | ahw->reset.init_offset = ahw->reset.buff + ahw->reset.hdr->init_offset; | |
1631 | ahw->reset.start_offset = ahw->reset.buff + | |
1632 | ahw->reset.hdr->start_offset; | |
1633 | ahw->reset.stop_offset = ahw->reset.buff + ahw->reset.hdr->hdr_size; | |
1634 | return 0; | |
1635 | } | |
1636 | ||
1637 | /* Read Write HW register command */ | |
1638 | static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, | |
1639 | u32 raddr, u32 waddr) | |
1640 | { | |
4bd8e738 HM |
1641 | int err = 0; |
1642 | u32 value; | |
81d0aeb0 | 1643 | |
4bd8e738 HM |
1644 | value = QLCRD32(p_dev, raddr, &err); |
1645 | if (err == -EIO) | |
1646 | return; | |
81d0aeb0 SC |
1647 | qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); |
1648 | } | |
1649 | ||
1650 | /* Read Modify Write HW register command */ | |
1651 | static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, | |
1652 | u32 raddr, u32 waddr, | |
1653 | struct qlc_83xx_rmw *p_rmw_hdr) | |
1654 | { | |
4bd8e738 HM |
1655 | int err = 0; |
1656 | u32 value; | |
81d0aeb0 | 1657 | |
4bd8e738 | 1658 | if (p_rmw_hdr->index_a) { |
81d0aeb0 | 1659 | value = p_dev->ahw->reset.array[p_rmw_hdr->index_a]; |
4bd8e738 HM |
1660 | } else { |
1661 | value = QLCRD32(p_dev, raddr, &err); | |
1662 | if (err == -EIO) | |
1663 | return; | |
1664 | } | |
81d0aeb0 SC |
1665 | |
1666 | value &= p_rmw_hdr->mask; | |
1667 | value <<= p_rmw_hdr->shl; | |
1668 | value >>= p_rmw_hdr->shr; | |
1669 | value |= p_rmw_hdr->or_value; | |
1670 | value ^= p_rmw_hdr->xor_value; | |
1671 | qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); | |
1672 | } | |
1673 | ||
1674 | /* Write HW register command */ | |
1675 | static void qlcnic_83xx_write_list(struct qlcnic_adapter *p_dev, | |
1676 | struct qlc_83xx_entry_hdr *p_hdr) | |
1677 | { | |
1678 | int i; | |
1679 | struct qlc_83xx_entry *entry; | |
1680 | ||
1681 | entry = (struct qlc_83xx_entry *)((char *)p_hdr + | |
1682 | sizeof(struct qlc_83xx_entry_hdr)); | |
1683 | ||
1684 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1685 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->arg1, | |
1686 | entry->arg2); | |
1687 | if (p_hdr->delay) | |
1688 | udelay((u32)(p_hdr->delay)); | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | /* Read and Write instruction */ | |
1693 | static void qlcnic_83xx_read_write_list(struct qlcnic_adapter *p_dev, | |
1694 | struct qlc_83xx_entry_hdr *p_hdr) | |
1695 | { | |
1696 | int i; | |
1697 | struct qlc_83xx_entry *entry; | |
1698 | ||
1699 | entry = (struct qlc_83xx_entry *)((char *)p_hdr + | |
1700 | sizeof(struct qlc_83xx_entry_hdr)); | |
1701 | ||
1702 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1703 | qlcnic_83xx_read_write_crb_reg(p_dev, entry->arg1, | |
1704 | entry->arg2); | |
1705 | if (p_hdr->delay) | |
1706 | udelay((u32)(p_hdr->delay)); | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | /* Poll HW register command */ | |
1711 | static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, | |
1712 | struct qlc_83xx_entry_hdr *p_hdr) | |
1713 | { | |
1714 | long delay; | |
1715 | struct qlc_83xx_entry *entry; | |
1716 | struct qlc_83xx_poll *poll; | |
4bd8e738 | 1717 | int i, err = 0; |
81d0aeb0 SC |
1718 | unsigned long arg1, arg2; |
1719 | ||
1720 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1721 | sizeof(struct qlc_83xx_entry_hdr)); | |
1722 | ||
1723 | entry = (struct qlc_83xx_entry *)((char *)poll + | |
1724 | sizeof(struct qlc_83xx_poll)); | |
1725 | delay = (long)p_hdr->delay; | |
1726 | ||
1727 | if (!delay) { | |
1728 | for (i = 0; i < p_hdr->count; i++, entry++) | |
1729 | qlcnic_83xx_poll_reg(p_dev, entry->arg1, | |
1730 | delay, poll->mask, | |
1731 | poll->status); | |
1732 | } else { | |
1733 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1734 | arg1 = entry->arg1; | |
1735 | arg2 = entry->arg2; | |
1736 | if (delay) { | |
1737 | if (qlcnic_83xx_poll_reg(p_dev, | |
1738 | arg1, delay, | |
1739 | poll->mask, | |
1740 | poll->status)){ | |
4bd8e738 HM |
1741 | QLCRD32(p_dev, arg1, &err); |
1742 | if (err == -EIO) | |
1743 | return; | |
1744 | QLCRD32(p_dev, arg2, &err); | |
1745 | if (err == -EIO) | |
1746 | return; | |
81d0aeb0 SC |
1747 | } |
1748 | } | |
1749 | } | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | /* Poll and write HW register command */ | |
1754 | static void qlcnic_83xx_poll_write_list(struct qlcnic_adapter *p_dev, | |
1755 | struct qlc_83xx_entry_hdr *p_hdr) | |
1756 | { | |
1757 | int i; | |
1758 | long delay; | |
1759 | struct qlc_83xx_quad_entry *entry; | |
1760 | struct qlc_83xx_poll *poll; | |
1761 | ||
1762 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1763 | sizeof(struct qlc_83xx_entry_hdr)); | |
1764 | entry = (struct qlc_83xx_quad_entry *)((char *)poll + | |
1765 | sizeof(struct qlc_83xx_poll)); | |
1766 | delay = (long)p_hdr->delay; | |
1767 | ||
1768 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1769 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->dr_addr, | |
1770 | entry->dr_value); | |
1771 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, | |
1772 | entry->ar_value); | |
1773 | if (delay) | |
1774 | qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, | |
1775 | poll->mask, poll->status); | |
1776 | } | |
1777 | } | |
1778 | ||
1779 | /* Read Modify Write register command */ | |
1780 | static void qlcnic_83xx_read_modify_write(struct qlcnic_adapter *p_dev, | |
1781 | struct qlc_83xx_entry_hdr *p_hdr) | |
1782 | { | |
1783 | int i; | |
1784 | struct qlc_83xx_entry *entry; | |
1785 | struct qlc_83xx_rmw *rmw_hdr; | |
1786 | ||
1787 | rmw_hdr = (struct qlc_83xx_rmw *)((char *)p_hdr + | |
1788 | sizeof(struct qlc_83xx_entry_hdr)); | |
1789 | ||
1790 | entry = (struct qlc_83xx_entry *)((char *)rmw_hdr + | |
1791 | sizeof(struct qlc_83xx_rmw)); | |
1792 | ||
1793 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1794 | qlcnic_83xx_rmw_crb_reg(p_dev, entry->arg1, | |
1795 | entry->arg2, rmw_hdr); | |
1796 | if (p_hdr->delay) | |
1797 | udelay((u32)(p_hdr->delay)); | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | static void qlcnic_83xx_pause(struct qlc_83xx_entry_hdr *p_hdr) | |
1802 | { | |
1803 | if (p_hdr->delay) | |
1804 | mdelay((u32)((long)p_hdr->delay)); | |
1805 | } | |
1806 | ||
1807 | /* Read and poll register command */ | |
1808 | static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, | |
1809 | struct qlc_83xx_entry_hdr *p_hdr) | |
1810 | { | |
1811 | long delay; | |
4bd8e738 | 1812 | int index, i, j, err; |
81d0aeb0 SC |
1813 | struct qlc_83xx_quad_entry *entry; |
1814 | struct qlc_83xx_poll *poll; | |
1815 | unsigned long addr; | |
1816 | ||
1817 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1818 | sizeof(struct qlc_83xx_entry_hdr)); | |
1819 | ||
1820 | entry = (struct qlc_83xx_quad_entry *)((char *)poll + | |
1821 | sizeof(struct qlc_83xx_poll)); | |
1822 | delay = (long)p_hdr->delay; | |
1823 | ||
1824 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1825 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, | |
1826 | entry->ar_value); | |
1827 | if (delay) { | |
1828 | if (!qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, | |
1829 | poll->mask, poll->status)){ | |
1830 | index = p_dev->ahw->reset.array_index; | |
1831 | addr = entry->dr_addr; | |
4bd8e738 HM |
1832 | j = QLCRD32(p_dev, addr, &err); |
1833 | if (err == -EIO) | |
1834 | return; | |
1835 | ||
81d0aeb0 SC |
1836 | p_dev->ahw->reset.array[index++] = j; |
1837 | ||
1838 | if (index == QLC_83XX_MAX_RESET_SEQ_ENTRIES) | |
1839 | p_dev->ahw->reset.array_index = 1; | |
1840 | } | |
1841 | } | |
1842 | } | |
1843 | } | |
1844 | ||
1845 | static inline void qlcnic_83xx_seq_end(struct qlcnic_adapter *p_dev) | |
1846 | { | |
1847 | p_dev->ahw->reset.seq_end = 1; | |
1848 | } | |
1849 | ||
1850 | static void qlcnic_83xx_template_end(struct qlcnic_adapter *p_dev) | |
1851 | { | |
1852 | p_dev->ahw->reset.template_end = 1; | |
1853 | if (p_dev->ahw->reset.seq_error == 0) | |
1854 | dev_err(&p_dev->pdev->dev, | |
1855 | "HW restart process completed successfully.\n"); | |
1856 | else | |
1857 | dev_err(&p_dev->pdev->dev, | |
1858 | "HW restart completed with timeout errors.\n"); | |
1859 | } | |
1860 | ||
1861 | /** | |
1862 | * qlcnic_83xx_exec_template_cmd | |
1863 | * | |
1864 | * @p_dev: adapter structure | |
1865 | * @p_buff: Poiter to instruction template | |
1866 | * | |
1867 | * Template provides instructions to stop, restart and initalize firmware. | |
1868 | * These instructions are abstracted as a series of read, write and | |
1869 | * poll operations on hardware registers. Register information and operation | |
1870 | * specifics are not exposed to the driver. Driver reads the template from | |
1871 | * flash and executes the instructions located at pre-defined offsets. | |
1872 | * | |
1873 | * Returns: None | |
1874 | * */ | |
1875 | static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev, | |
1876 | char *p_buff) | |
1877 | { | |
1878 | int index, entries; | |
1879 | struct qlc_83xx_entry_hdr *p_hdr; | |
1880 | char *entry = p_buff; | |
1881 | ||
1882 | p_dev->ahw->reset.seq_end = 0; | |
1883 | p_dev->ahw->reset.template_end = 0; | |
1884 | entries = p_dev->ahw->reset.hdr->entries; | |
1885 | index = p_dev->ahw->reset.seq_index; | |
1886 | ||
1887 | for (; (!p_dev->ahw->reset.seq_end) && (index < entries); index++) { | |
1888 | p_hdr = (struct qlc_83xx_entry_hdr *)entry; | |
1889 | ||
1890 | switch (p_hdr->cmd) { | |
1891 | case QLC_83XX_OPCODE_NOP: | |
1892 | break; | |
1893 | case QLC_83XX_OPCODE_WRITE_LIST: | |
1894 | qlcnic_83xx_write_list(p_dev, p_hdr); | |
1895 | break; | |
1896 | case QLC_83XX_OPCODE_READ_WRITE_LIST: | |
1897 | qlcnic_83xx_read_write_list(p_dev, p_hdr); | |
1898 | break; | |
1899 | case QLC_83XX_OPCODE_POLL_LIST: | |
1900 | qlcnic_83xx_poll_list(p_dev, p_hdr); | |
1901 | break; | |
1902 | case QLC_83XX_OPCODE_POLL_WRITE_LIST: | |
1903 | qlcnic_83xx_poll_write_list(p_dev, p_hdr); | |
1904 | break; | |
1905 | case QLC_83XX_OPCODE_READ_MODIFY_WRITE: | |
1906 | qlcnic_83xx_read_modify_write(p_dev, p_hdr); | |
1907 | break; | |
1908 | case QLC_83XX_OPCODE_SEQ_PAUSE: | |
1909 | qlcnic_83xx_pause(p_hdr); | |
1910 | break; | |
1911 | case QLC_83XX_OPCODE_SEQ_END: | |
1912 | qlcnic_83xx_seq_end(p_dev); | |
1913 | break; | |
1914 | case QLC_83XX_OPCODE_TMPL_END: | |
1915 | qlcnic_83xx_template_end(p_dev); | |
1916 | break; | |
1917 | case QLC_83XX_OPCODE_POLL_READ_LIST: | |
1918 | qlcnic_83xx_poll_read_list(p_dev, p_hdr); | |
1919 | break; | |
1920 | default: | |
1921 | dev_err(&p_dev->pdev->dev, | |
1922 | "%s: Unknown opcode 0x%04x in template %d\n", | |
1923 | __func__, p_hdr->cmd, index); | |
1924 | break; | |
1925 | } | |
1926 | entry += p_hdr->size; | |
1927 | } | |
1928 | p_dev->ahw->reset.seq_index = index; | |
1929 | } | |
1930 | ||
1931 | static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev) | |
1932 | { | |
1933 | p_dev->ahw->reset.seq_index = 0; | |
1934 | ||
1935 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.stop_offset); | |
1936 | if (p_dev->ahw->reset.seq_end != 1) | |
1937 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
1938 | } | |
1939 | ||
1940 | static void qlcnic_83xx_start_hw(struct qlcnic_adapter *p_dev) | |
1941 | { | |
1942 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.start_offset); | |
1943 | if (p_dev->ahw->reset.template_end != 1) | |
1944 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
1945 | } | |
1946 | ||
1947 | static void qlcnic_83xx_init_hw(struct qlcnic_adapter *p_dev) | |
1948 | { | |
1949 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.init_offset); | |
1950 | if (p_dev->ahw->reset.seq_end != 1) | |
1951 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
1952 | } | |
1953 | ||
629263ac SC |
1954 | static int qlcnic_83xx_load_fw_image_from_host(struct qlcnic_adapter *adapter) |
1955 | { | |
7000078a | 1956 | struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; |
629263ac SC |
1957 | int err = -EIO; |
1958 | ||
7000078a | 1959 | if (request_firmware(&fw_info->fw, fw_info->fw_file_name, |
fef349ce | 1960 | &(adapter->pdev->dev))) { |
629263ac SC |
1961 | dev_err(&adapter->pdev->dev, |
1962 | "No file FW image, loading flash FW image.\n"); | |
1963 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
1964 | QLC_83XX_BOOT_FROM_FLASH); | |
1965 | } else { | |
1966 | if (qlcnic_83xx_copy_fw_file(adapter)) | |
1967 | return err; | |
1968 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
1969 | QLC_83XX_BOOT_FROM_FILE); | |
1970 | } | |
1971 | ||
1972 | return 0; | |
1973 | } | |
1974 | ||
1975 | static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter) | |
1976 | { | |
4e60ac46 | 1977 | u32 val; |
629263ac SC |
1978 | int err = -EIO; |
1979 | ||
81d0aeb0 | 1980 | qlcnic_83xx_stop_hw(adapter); |
4e60ac46 SC |
1981 | |
1982 | /* Collect FW register dump if required */ | |
1983 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1984 | if (!(val & QLC_83XX_IDC_GRACEFULL_RESET)) | |
1985 | qlcnic_dump_fw(adapter); | |
81d0aeb0 SC |
1986 | qlcnic_83xx_init_hw(adapter); |
1987 | ||
629263ac SC |
1988 | if (qlcnic_83xx_copy_bootloader(adapter)) |
1989 | return err; | |
1990 | /* Boot either flash image or firmware image from host file system */ | |
1991 | if (qlcnic_load_fw_file) { | |
1992 | if (qlcnic_83xx_load_fw_image_from_host(adapter)) | |
1993 | return err; | |
1994 | } else { | |
1995 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
1996 | QLC_83XX_BOOT_FROM_FLASH); | |
1997 | } | |
1998 | ||
81d0aeb0 | 1999 | qlcnic_83xx_start_hw(adapter); |
629263ac SC |
2000 | if (qlcnic_83xx_check_hw_status(adapter)) |
2001 | return -EIO; | |
2002 | ||
2003 | return 0; | |
2004 | } | |
2005 | ||
2006 | /** | |
2007 | * qlcnic_83xx_config_default_opmode | |
2008 | * | |
2009 | * @adapter: adapter structure | |
2010 | * | |
2011 | * Configure default driver operating mode | |
2012 | * | |
2013 | * Returns: Error code or Success(0) | |
2014 | * */ | |
2015 | int qlcnic_83xx_config_default_opmode(struct qlcnic_adapter *adapter) | |
2016 | { | |
2017 | u32 op_mode; | |
2018 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2019 | ||
2020 | qlcnic_get_func_no(adapter); | |
2021 | op_mode = QLCRDX(ahw, QLC_83XX_DRV_OP_MODE); | |
2022 | ||
02feda17 RB |
2023 | if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state)) |
2024 | op_mode = QLC_83XX_DEFAULT_OPMODE; | |
2025 | ||
629263ac SC |
2026 | if (op_mode == QLC_83XX_DEFAULT_OPMODE) { |
2027 | adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; | |
2028 | ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; | |
2029 | } else { | |
2030 | return -EIO; | |
2031 | } | |
2032 | ||
2033 | return 0; | |
2034 | } | |
2035 | ||
2036 | int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter) | |
2037 | { | |
2038 | int err; | |
2039 | struct qlcnic_info nic_info; | |
2040 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2041 | ||
2042 | memset(&nic_info, 0, sizeof(struct qlcnic_info)); | |
2043 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); | |
2044 | if (err) | |
2045 | return -EIO; | |
2046 | ||
2047 | ahw->physical_port = (u8) nic_info.phys_port; | |
2048 | ahw->switch_mode = nic_info.switch_mode; | |
2049 | ahw->max_tx_ques = nic_info.max_tx_ques; | |
2050 | ahw->max_rx_ques = nic_info.max_rx_ques; | |
2051 | ahw->capabilities = nic_info.capabilities; | |
2052 | ahw->max_mac_filters = nic_info.max_mac_filters; | |
2053 | ahw->max_mtu = nic_info.max_mtu; | |
2054 | ||
02feda17 RB |
2055 | /* VNIC mode is detected by BIT_23 in capabilities. This bit is also |
2056 | * set in case device is SRIOV capable. VNIC and SRIOV are mutually | |
2057 | * exclusive. So in case of sriov capable device load driver in | |
2058 | * default mode | |
2059 | */ | |
2060 | if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state)) { | |
2061 | ahw->nic_mode = QLC_83XX_DEFAULT_MODE; | |
2062 | return ahw->nic_mode; | |
2063 | } | |
2064 | ||
629263ac SC |
2065 | if (ahw->capabilities & BIT_23) |
2066 | ahw->nic_mode = QLC_83XX_VIRTUAL_NIC_MODE; | |
2067 | else | |
2068 | ahw->nic_mode = QLC_83XX_DEFAULT_MODE; | |
2069 | ||
2070 | return ahw->nic_mode; | |
2071 | } | |
2072 | ||
02feda17 | 2073 | int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) |
629263ac SC |
2074 | { |
2075 | int ret; | |
2076 | ||
2077 | ret = qlcnic_83xx_get_nic_configuration(adapter); | |
2078 | if (ret == -EIO) | |
2079 | return -EIO; | |
2080 | ||
d71170fb SC |
2081 | if (ret == QLC_83XX_VIRTUAL_NIC_MODE) { |
2082 | if (qlcnic_83xx_config_vnic_opmode(adapter)) | |
2083 | return -EIO; | |
2084 | } else if (ret == QLC_83XX_DEFAULT_MODE) { | |
629263ac SC |
2085 | if (qlcnic_83xx_config_default_opmode(adapter)) |
2086 | return -EIO; | |
2087 | } | |
2088 | ||
2089 | return 0; | |
2090 | } | |
2091 | ||
2092 | static void qlcnic_83xx_config_buff_descriptors(struct qlcnic_adapter *adapter) | |
2093 | { | |
2094 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2095 | ||
2096 | if (ahw->port_type == QLCNIC_XGBE) { | |
2097 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
2098 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; | |
2099 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
2100 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
2101 | ||
2102 | } else if (ahw->port_type == QLCNIC_GBE) { | |
2103 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
2104 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
2105 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
2106 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; | |
2107 | } | |
2108 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
2109 | adapter->max_rds_rings = MAX_RDS_RINGS; | |
2110 | } | |
2111 | ||
2112 | static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter) | |
2113 | { | |
2114 | int err = -EIO; | |
2115 | ||
4e60ac46 | 2116 | qlcnic_83xx_get_minidump_template(adapter); |
629263ac SC |
2117 | if (qlcnic_83xx_get_port_info(adapter)) |
2118 | return err; | |
2119 | ||
2120 | qlcnic_83xx_config_buff_descriptors(adapter); | |
2121 | adapter->ahw->msix_supported = !!qlcnic_use_msi_x; | |
2122 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; | |
2123 | ||
2124 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", | |
2125 | adapter->ahw->fw_hal_version); | |
2126 | ||
2127 | return 0; | |
2128 | } | |
2129 | ||
2130 | #define IS_QLC_83XX_USED(a, b, c) (((1 << a->portnum) & b) || ((c >> 6) & 0x1)) | |
2131 | static void qlcnic_83xx_clear_function_resources(struct qlcnic_adapter *adapter) | |
2132 | { | |
2133 | struct qlcnic_cmd_args cmd; | |
2134 | u32 presence_mask, audit_mask; | |
2135 | int status; | |
2136 | ||
2137 | presence_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
2138 | audit_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); | |
2139 | ||
2140 | if (IS_QLC_83XX_USED(adapter, presence_mask, audit_mask)) { | |
b6b4316c SS |
2141 | status = qlcnic_alloc_mbx_args(&cmd, adapter, |
2142 | QLCNIC_CMD_STOP_NIC_FUNC); | |
2143 | if (status) | |
2144 | return; | |
2145 | ||
629263ac SC |
2146 | cmd.req.arg[1] = BIT_31; |
2147 | status = qlcnic_issue_cmd(adapter, &cmd); | |
2148 | if (status) | |
2149 | dev_err(&adapter->pdev->dev, | |
2150 | "Failed to clean up the function resources\n"); | |
2151 | qlcnic_free_mbx_args(&cmd); | |
2152 | } | |
2153 | } | |
2154 | ||
7000078a PP |
2155 | static int qlcnic_83xx_get_fw_info(struct qlcnic_adapter *adapter) |
2156 | { | |
2157 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2158 | struct pci_dev *pdev = adapter->pdev; | |
2159 | struct qlc_83xx_fw_info *fw_info; | |
2160 | int err = 0; | |
2161 | ||
2162 | ahw->fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL); | |
2163 | if (!ahw->fw_info) { | |
2164 | err = -ENOMEM; | |
2165 | } else { | |
2166 | fw_info = ahw->fw_info; | |
2167 | switch (pdev->device) { | |
2168 | case PCI_DEVICE_ID_QLOGIC_QLE834X: | |
2169 | strncpy(fw_info->fw_file_name, QLC_83XX_FW_FILE_NAME, | |
2170 | QLC_FW_FILE_NAME_LEN); | |
2171 | break; | |
2172 | case PCI_DEVICE_ID_QLOGIC_QLE844X: | |
2173 | strncpy(fw_info->fw_file_name, QLC_84XX_FW_FILE_NAME, | |
2174 | QLC_FW_FILE_NAME_LEN); | |
2175 | break; | |
2176 | default: | |
2177 | dev_err(&pdev->dev, "%s: Invalid device id\n", | |
2178 | __func__); | |
2179 | err = -EINVAL; | |
2180 | break; | |
2181 | } | |
2182 | } | |
2183 | ||
2184 | return err; | |
2185 | } | |
2186 | ||
2187 | ||
f8468331 | 2188 | int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
629263ac SC |
2189 | { |
2190 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
068a8d19 | 2191 | int err = 0; |
629263ac | 2192 | |
068a8d19 MC |
2193 | ahw->msix_supported = !!qlcnic_use_msi_x; |
2194 | err = qlcnic_83xx_init_mailbox_work(adapter); | |
2195 | if (err) | |
2196 | goto exit; | |
f8468331 | 2197 | |
068a8d19 MC |
2198 | if (qlcnic_sriov_vf_check(adapter)) { |
2199 | err = qlcnic_sriov_vf_init(adapter, pci_using_dac); | |
2200 | if (err) | |
2201 | goto detach_mbx; | |
2202 | else | |
2203 | return err; | |
2204 | } | |
629263ac | 2205 | |
068a8d19 MC |
2206 | err = qlcnic_83xx_check_hw_status(adapter); |
2207 | if (err) | |
2208 | goto detach_mbx; | |
2209 | ||
b5acb255 MC |
2210 | if (!qlcnic_83xx_read_flash_descriptor_table(adapter)) |
2211 | qlcnic_83xx_read_flash_mfg_id(adapter); | |
2212 | ||
7000078a | 2213 | err = qlcnic_83xx_get_fw_info(adapter); |
b5acb255 MC |
2214 | if (err) |
2215 | goto detach_mbx; | |
2216 | ||
7000078a PP |
2217 | err = qlcnic_83xx_idc_init(adapter); |
2218 | if (err) | |
2219 | goto clear_fw_info; | |
2220 | ||
aa4a1f7d | 2221 | err = qlcnic_setup_intr(adapter, 0, 0); |
068a8d19 MC |
2222 | if (err) { |
2223 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); | |
2224 | goto disable_intr; | |
2225 | } | |
2226 | ||
2227 | err = qlcnic_83xx_setup_mbx_intr(adapter); | |
2228 | if (err) | |
2229 | goto disable_mbx_intr; | |
629263ac | 2230 | |
629263ac SC |
2231 | qlcnic_83xx_clear_function_resources(adapter); |
2232 | ||
c70a3175 JK |
2233 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
2234 | ||
d5fcff04 HM |
2235 | /* register for NIC IDC AEN Events */ |
2236 | qlcnic_83xx_register_nic_idc_func(adapter, 1); | |
2237 | ||
629263ac | 2238 | /* Configure default, SR-IOV or Virtual NIC mode of operation */ |
068a8d19 MC |
2239 | err = qlcnic_83xx_configure_opmode(adapter); |
2240 | if (err) | |
2241 | goto disable_mbx_intr; | |
629263ac SC |
2242 | |
2243 | /* Perform operating mode specific initialization */ | |
068a8d19 MC |
2244 | err = adapter->nic_ops->init_driver(adapter); |
2245 | if (err) | |
2246 | goto disable_mbx_intr; | |
629263ac | 2247 | |
14d385b9 SC |
2248 | if (adapter->dcb && qlcnic_dcb_attach(adapter)) |
2249 | qlcnic_clear_dcb_ops(adapter); | |
2250 | ||
629263ac SC |
2251 | /* Periodically monitor device status */ |
2252 | qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); | |
068a8d19 | 2253 | return 0; |
629263ac | 2254 | |
068a8d19 MC |
2255 | disable_mbx_intr: |
2256 | qlcnic_83xx_free_mbx_intr(adapter); | |
2257 | ||
2258 | disable_intr: | |
2259 | qlcnic_teardown_intr(adapter); | |
2260 | ||
7000078a PP |
2261 | clear_fw_info: |
2262 | kfree(ahw->fw_info); | |
2263 | ||
068a8d19 MC |
2264 | detach_mbx: |
2265 | qlcnic_83xx_detach_mailbox_work(adapter); | |
2266 | qlcnic_83xx_free_mailbox(ahw->mailbox); | |
2267 | exit: | |
2268 | return err; | |
629263ac | 2269 | } |
9ce226fa PP |
2270 | |
2271 | void qlcnic_83xx_aer_stop_poll_work(struct qlcnic_adapter *adapter) | |
2272 | { | |
2273 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2274 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2275 | ||
2276 | clear_bit(QLC_83XX_MBX_READY, &idc->status); | |
2277 | cancel_delayed_work_sync(&adapter->fw_work); | |
2278 | ||
2279 | if (ahw->nic_mode == QLC_83XX_VIRTUAL_NIC_MODE) | |
2280 | qlcnic_83xx_disable_vnic_mode(adapter, 1); | |
2281 | ||
2282 | qlcnic_83xx_idc_detach_driver(adapter); | |
2283 | qlcnic_83xx_register_nic_idc_func(adapter, 0); | |
2284 | ||
2285 | cancel_delayed_work_sync(&adapter->idc_aen_work); | |
2286 | } | |
2287 | ||
2288 | int qlcnic_83xx_aer_reset(struct qlcnic_adapter *adapter) | |
2289 | { | |
2290 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2291 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2292 | int ret = 0; | |
2293 | u32 owner; | |
2294 | ||
2295 | /* Mark the previous IDC state as NEED_RESET so | |
2296 | * that state_entry() will perform the reattachment | |
2297 | * and bringup the device | |
2298 | */ | |
2299 | idc->prev_state = QLC_83XX_IDC_DEV_NEED_RESET; | |
2300 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
2301 | if (ahw->pci_func == owner) { | |
2302 | ret = qlcnic_83xx_restart_hw(adapter); | |
2303 | if (ret < 0) | |
2304 | return ret; | |
2305 | qlcnic_83xx_idc_clear_registers(adapter, 0); | |
2306 | } | |
2307 | ||
2308 | ret = idc->state_entry(adapter); | |
2309 | return ret; | |
2310 | } | |
2311 | ||
2312 | void qlcnic_83xx_aer_start_poll_work(struct qlcnic_adapter *adapter) | |
2313 | { | |
2314 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2315 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2316 | u32 owner; | |
2317 | ||
2318 | idc->prev_state = QLC_83XX_IDC_DEV_READY; | |
2319 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
2320 | if (ahw->pci_func == owner) | |
2321 | qlcnic_83xx_idc_enter_ready_state(adapter, 0); | |
2322 | ||
2323 | qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, 0); | |
2324 | } |