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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); | |
21041400 | 42 | static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev); |
43 | static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *); | |
44 | static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *); | |
629263ac | 45 | |
81d0aeb0 SC |
46 | /* Template header */ |
47 | struct qlc_83xx_reset_hdr { | |
a96227e6 | 48 | #if defined(__LITTLE_ENDIAN) |
81d0aeb0 SC |
49 | u16 version; |
50 | u16 signature; | |
51 | u16 size; | |
52 | u16 entries; | |
53 | u16 hdr_size; | |
54 | u16 checksum; | |
55 | u16 init_offset; | |
56 | u16 start_offset; | |
a96227e6 SS |
57 | #elif defined(__BIG_ENDIAN) |
58 | u16 signature; | |
59 | u16 version; | |
60 | u16 entries; | |
61 | u16 size; | |
62 | u16 checksum; | |
63 | u16 hdr_size; | |
64 | u16 start_offset; | |
65 | u16 init_offset; | |
66 | #endif | |
81d0aeb0 SC |
67 | } __packed; |
68 | ||
69 | /* Command entry header. */ | |
70 | struct qlc_83xx_entry_hdr { | |
a96227e6 SS |
71 | #if defined(__LITTLE_ENDIAN) |
72 | u16 cmd; | |
73 | u16 size; | |
74 | u16 count; | |
75 | u16 delay; | |
76 | #elif defined(__BIG_ENDIAN) | |
77 | u16 size; | |
78 | u16 cmd; | |
79 | u16 delay; | |
80 | u16 count; | |
81 | #endif | |
81d0aeb0 SC |
82 | } __packed; |
83 | ||
84 | /* Generic poll command */ | |
85 | struct qlc_83xx_poll { | |
86 | u32 mask; | |
87 | u32 status; | |
88 | } __packed; | |
89 | ||
90 | /* Read modify write command */ | |
91 | struct qlc_83xx_rmw { | |
92 | u32 mask; | |
93 | u32 xor_value; | |
94 | u32 or_value; | |
a96227e6 | 95 | #if defined(__LITTLE_ENDIAN) |
81d0aeb0 SC |
96 | u8 shl; |
97 | u8 shr; | |
98 | u8 index_a; | |
99 | u8 rsvd; | |
a96227e6 SS |
100 | #elif defined(__BIG_ENDIAN) |
101 | u8 rsvd; | |
102 | u8 index_a; | |
103 | u8 shr; | |
104 | u8 shl; | |
105 | #endif | |
81d0aeb0 SC |
106 | } __packed; |
107 | ||
108 | /* Generic command with 2 DWORD */ | |
109 | struct qlc_83xx_entry { | |
110 | u32 arg1; | |
111 | u32 arg2; | |
112 | } __packed; | |
113 | ||
114 | /* Generic command with 4 DWORD */ | |
115 | struct qlc_83xx_quad_entry { | |
116 | u32 dr_addr; | |
117 | u32 dr_value; | |
118 | u32 ar_addr; | |
119 | u32 ar_value; | |
120 | } __packed; | |
629263ac SC |
121 | static const char *const qlc_83xx_idc_states[] = { |
122 | "Unknown", | |
123 | "Cold", | |
124 | "Init", | |
125 | "Ready", | |
126 | "Need Reset", | |
127 | "Need Quiesce", | |
128 | "Failed", | |
129 | "Quiesce" | |
130 | }; | |
131 | ||
629263ac SC |
132 | static int |
133 | qlcnic_83xx_idc_check_driver_presence_reg(struct qlcnic_adapter *adapter) | |
134 | { | |
135 | u32 val; | |
136 | ||
137 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
138 | if ((val & 0xFFFF)) | |
139 | return 1; | |
140 | else | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static void qlcnic_83xx_idc_log_state_history(struct qlcnic_adapter *adapter) | |
145 | { | |
146 | u32 cur, prev; | |
147 | cur = adapter->ahw->idc.curr_state; | |
148 | prev = adapter->ahw->idc.prev_state; | |
149 | ||
150 | dev_info(&adapter->pdev->dev, | |
151 | "current state = %s, prev state = %s\n", | |
152 | adapter->ahw->idc.name[cur], | |
153 | adapter->ahw->idc.name[prev]); | |
154 | } | |
155 | ||
156 | static int qlcnic_83xx_idc_update_audit_reg(struct qlcnic_adapter *adapter, | |
157 | u8 mode, int lock) | |
158 | { | |
159 | u32 val; | |
160 | int seconds; | |
161 | ||
162 | if (lock) { | |
163 | if (qlcnic_83xx_lock_driver(adapter)) | |
164 | return -EBUSY; | |
165 | } | |
166 | ||
f036e4f4 RB |
167 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); |
168 | val |= (adapter->portnum & 0xf); | |
629263ac SC |
169 | val |= mode << 7; |
170 | if (mode) | |
171 | seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; | |
172 | else | |
173 | seconds = jiffies / HZ; | |
174 | ||
175 | val |= seconds << 8; | |
176 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT, val); | |
177 | adapter->ahw->idc.sec_counter = jiffies / HZ; | |
178 | ||
179 | if (lock) | |
180 | qlcnic_83xx_unlock_driver(adapter); | |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
185 | static void qlcnic_83xx_idc_update_minor_version(struct qlcnic_adapter *adapter) | |
186 | { | |
187 | u32 val; | |
188 | ||
189 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION); | |
190 | val = val & ~(0x3 << (adapter->portnum * 2)); | |
191 | val = val | (QLC_83XX_IDC_MINOR_VERSION << (adapter->portnum * 2)); | |
192 | QLCWRX(adapter->ahw, QLC_83XX_IDC_MIN_VERSION, val); | |
193 | } | |
194 | ||
195 | static int qlcnic_83xx_idc_update_major_version(struct qlcnic_adapter *adapter, | |
196 | int lock) | |
197 | { | |
198 | u32 val; | |
199 | ||
200 | if (lock) { | |
201 | if (qlcnic_83xx_lock_driver(adapter)) | |
202 | return -EBUSY; | |
203 | } | |
204 | ||
205 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); | |
206 | val = val & ~0xFF; | |
207 | val = val | QLC_83XX_IDC_MAJOR_VERSION; | |
208 | QLCWRX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION, val); | |
209 | ||
210 | if (lock) | |
211 | qlcnic_83xx_unlock_driver(adapter); | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
216 | static int | |
217 | qlcnic_83xx_idc_update_drv_presence_reg(struct qlcnic_adapter *adapter, | |
218 | int status, int lock) | |
219 | { | |
220 | u32 val; | |
221 | ||
222 | if (lock) { | |
223 | if (qlcnic_83xx_lock_driver(adapter)) | |
224 | return -EBUSY; | |
225 | } | |
226 | ||
227 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
228 | ||
229 | if (status) | |
230 | val = val | (1 << adapter->portnum); | |
231 | else | |
232 | val = val & ~(1 << adapter->portnum); | |
233 | ||
234 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
235 | qlcnic_83xx_idc_update_minor_version(adapter); | |
236 | ||
237 | if (lock) | |
238 | qlcnic_83xx_unlock_driver(adapter); | |
239 | ||
240 | return 0; | |
241 | } | |
242 | ||
243 | static int qlcnic_83xx_idc_check_major_version(struct qlcnic_adapter *adapter) | |
244 | { | |
245 | u32 val; | |
246 | u8 version; | |
247 | ||
248 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_MAJ_VERSION); | |
249 | version = val & 0xFF; | |
250 | ||
251 | if (version != QLC_83XX_IDC_MAJOR_VERSION) { | |
252 | dev_info(&adapter->pdev->dev, | |
253 | "%s:mismatch. version 0x%x, expected version 0x%x\n", | |
254 | __func__, version, QLC_83XX_IDC_MAJOR_VERSION); | |
255 | return -EIO; | |
256 | } | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | static int qlcnic_83xx_idc_clear_registers(struct qlcnic_adapter *adapter, | |
262 | int lock) | |
263 | { | |
264 | u32 val; | |
265 | ||
266 | if (lock) { | |
267 | if (qlcnic_83xx_lock_driver(adapter)) | |
268 | return -EBUSY; | |
269 | } | |
270 | ||
271 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, 0); | |
272 | /* Clear gracefull reset bit */ | |
273 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
274 | val &= ~QLC_83XX_IDC_GRACEFULL_RESET; | |
275 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
276 | ||
277 | if (lock) | |
278 | qlcnic_83xx_unlock_driver(adapter); | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
283 | static int qlcnic_83xx_idc_update_drv_ack_reg(struct qlcnic_adapter *adapter, | |
284 | int flag, int lock) | |
285 | { | |
286 | u32 val; | |
287 | ||
288 | if (lock) { | |
289 | if (qlcnic_83xx_lock_driver(adapter)) | |
290 | return -EBUSY; | |
291 | } | |
292 | ||
293 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); | |
294 | if (flag) | |
295 | val = val | (1 << adapter->portnum); | |
296 | else | |
297 | val = val & ~(1 << adapter->portnum); | |
298 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_ACK, val); | |
299 | ||
300 | if (lock) | |
301 | qlcnic_83xx_unlock_driver(adapter); | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | static int qlcnic_83xx_idc_check_timeout(struct qlcnic_adapter *adapter, | |
307 | int time_limit) | |
308 | { | |
309 | u64 seconds; | |
310 | ||
311 | seconds = jiffies / HZ - adapter->ahw->idc.sec_counter; | |
312 | if (seconds <= time_limit) | |
313 | return 0; | |
314 | else | |
315 | return -EBUSY; | |
316 | } | |
317 | ||
318 | /** | |
319 | * qlcnic_83xx_idc_check_reset_ack_reg | |
320 | * | |
321 | * @adapter: adapter structure | |
322 | * | |
323 | * Check ACK wait limit and clear the functions which failed to ACK | |
324 | * | |
325 | * Return 0 if all functions have acknowledged the reset request. | |
326 | **/ | |
327 | static int qlcnic_83xx_idc_check_reset_ack_reg(struct qlcnic_adapter *adapter) | |
328 | { | |
329 | int timeout; | |
330 | u32 ack, presence, val; | |
331 | ||
332 | timeout = QLC_83XX_IDC_RESET_TIMEOUT_SECS; | |
333 | ack = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_ACK); | |
334 | presence = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
335 | dev_info(&adapter->pdev->dev, | |
336 | "%s: ack = 0x%x, presence = 0x%x\n", __func__, ack, presence); | |
337 | if (!((ack & presence) == presence)) { | |
338 | if (qlcnic_83xx_idc_check_timeout(adapter, timeout)) { | |
339 | /* Clear functions which failed to ACK */ | |
340 | dev_info(&adapter->pdev->dev, | |
341 | "%s: ACK wait exceeds time limit\n", __func__); | |
342 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
343 | val = val & ~(ack ^ presence); | |
344 | if (qlcnic_83xx_lock_driver(adapter)) | |
345 | return -EBUSY; | |
346 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
347 | dev_info(&adapter->pdev->dev, | |
348 | "%s: updated drv presence reg = 0x%x\n", | |
349 | __func__, val); | |
350 | qlcnic_83xx_unlock_driver(adapter); | |
351 | return 0; | |
352 | ||
353 | } else { | |
354 | return 1; | |
355 | } | |
356 | } else { | |
357 | dev_info(&adapter->pdev->dev, | |
358 | "%s: Reset ACK received from all functions\n", | |
359 | __func__); | |
360 | return 0; | |
361 | } | |
362 | } | |
363 | ||
364 | /** | |
365 | * qlcnic_83xx_idc_tx_soft_reset | |
366 | * | |
367 | * @adapter: adapter structure | |
368 | * | |
369 | * Handle context deletion and recreation request from transmit routine | |
370 | * | |
371 | * Returns -EBUSY or Success (0) | |
372 | * | |
373 | **/ | |
374 | static int qlcnic_83xx_idc_tx_soft_reset(struct qlcnic_adapter *adapter) | |
375 | { | |
376 | struct net_device *netdev = adapter->netdev; | |
377 | ||
378 | if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
379 | return -EBUSY; | |
380 | ||
381 | netif_device_detach(netdev); | |
382 | qlcnic_down(adapter, netdev); | |
383 | qlcnic_up(adapter, netdev); | |
384 | netif_device_attach(netdev); | |
385 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
95b3890a | 386 | netdev_info(adapter->netdev, "%s: soft reset complete.\n", __func__); |
629263ac | 387 | |
629263ac SC |
388 | return 0; |
389 | } | |
390 | ||
391 | /** | |
392 | * qlcnic_83xx_idc_detach_driver | |
393 | * | |
394 | * @adapter: adapter structure | |
395 | * Detach net interface, stop TX and cleanup resources before the HW reset. | |
396 | * Returns: None | |
397 | * | |
398 | **/ | |
399 | static void qlcnic_83xx_idc_detach_driver(struct qlcnic_adapter *adapter) | |
400 | { | |
401 | int i; | |
402 | struct net_device *netdev = adapter->netdev; | |
403 | ||
404 | netif_device_detach(netdev); | |
068a8d19 | 405 | qlcnic_83xx_detach_mailbox_work(adapter); |
f036e4f4 | 406 | |
629263ac | 407 | /* Disable mailbox interrupt */ |
f036e4f4 | 408 | qlcnic_83xx_disable_mbx_intr(adapter); |
629263ac SC |
409 | qlcnic_down(adapter, netdev); |
410 | for (i = 0; i < adapter->ahw->num_msix; i++) { | |
411 | adapter->ahw->intr_tbl[i].id = i; | |
412 | adapter->ahw->intr_tbl[i].enabled = 0; | |
413 | adapter->ahw->intr_tbl[i].src = 0; | |
414 | } | |
f036e4f4 RB |
415 | |
416 | if (qlcnic_sriov_pf_check(adapter)) | |
417 | qlcnic_sriov_pf_reset(adapter); | |
629263ac SC |
418 | } |
419 | ||
420 | /** | |
421 | * qlcnic_83xx_idc_attach_driver | |
422 | * | |
423 | * @adapter: adapter structure | |
424 | * | |
425 | * Re-attach and re-enable net interface | |
426 | * Returns: None | |
427 | * | |
428 | **/ | |
429 | static void qlcnic_83xx_idc_attach_driver(struct qlcnic_adapter *adapter) | |
430 | { | |
431 | struct net_device *netdev = adapter->netdev; | |
432 | ||
433 | if (netif_running(netdev)) { | |
434 | if (qlcnic_up(adapter, netdev)) | |
435 | goto done; | |
436 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); | |
437 | } | |
438 | done: | |
439 | netif_device_attach(netdev); | |
629263ac SC |
440 | } |
441 | ||
442 | static int qlcnic_83xx_idc_enter_failed_state(struct qlcnic_adapter *adapter, | |
443 | int lock) | |
444 | { | |
445 | if (lock) { | |
446 | if (qlcnic_83xx_lock_driver(adapter)) | |
447 | return -EBUSY; | |
448 | } | |
449 | ||
450 | qlcnic_83xx_idc_clear_registers(adapter, 0); | |
451 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_FAILED); | |
452 | if (lock) | |
453 | qlcnic_83xx_unlock_driver(adapter); | |
454 | ||
455 | qlcnic_83xx_idc_log_state_history(adapter); | |
456 | dev_info(&adapter->pdev->dev, "Device will enter failed state\n"); | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | static int qlcnic_83xx_idc_enter_init_state(struct qlcnic_adapter *adapter, | |
462 | int lock) | |
463 | { | |
464 | if (lock) { | |
465 | if (qlcnic_83xx_lock_driver(adapter)) | |
466 | return -EBUSY; | |
467 | } | |
468 | ||
469 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_INIT); | |
470 | ||
471 | if (lock) | |
472 | qlcnic_83xx_unlock_driver(adapter); | |
473 | ||
474 | return 0; | |
475 | } | |
476 | ||
477 | static int qlcnic_83xx_idc_enter_need_quiesce(struct qlcnic_adapter *adapter, | |
478 | int lock) | |
479 | { | |
480 | if (lock) { | |
481 | if (qlcnic_83xx_lock_driver(adapter)) | |
482 | return -EBUSY; | |
483 | } | |
484 | ||
485 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
486 | QLC_83XX_IDC_DEV_NEED_QUISCENT); | |
487 | ||
488 | if (lock) | |
489 | qlcnic_83xx_unlock_driver(adapter); | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | static int | |
495 | qlcnic_83xx_idc_enter_need_reset_state(struct qlcnic_adapter *adapter, int lock) | |
496 | { | |
497 | if (lock) { | |
498 | if (qlcnic_83xx_lock_driver(adapter)) | |
499 | return -EBUSY; | |
500 | } | |
501 | ||
502 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
503 | QLC_83XX_IDC_DEV_NEED_RESET); | |
504 | ||
505 | if (lock) | |
506 | qlcnic_83xx_unlock_driver(adapter); | |
507 | ||
508 | return 0; | |
509 | } | |
510 | ||
511 | static int qlcnic_83xx_idc_enter_ready_state(struct qlcnic_adapter *adapter, | |
512 | int lock) | |
513 | { | |
514 | if (lock) { | |
515 | if (qlcnic_83xx_lock_driver(adapter)) | |
516 | return -EBUSY; | |
517 | } | |
518 | ||
519 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, QLC_83XX_IDC_DEV_READY); | |
520 | if (lock) | |
521 | qlcnic_83xx_unlock_driver(adapter); | |
522 | ||
523 | return 0; | |
524 | } | |
525 | ||
526 | /** | |
527 | * qlcnic_83xx_idc_find_reset_owner_id | |
528 | * | |
529 | * @adapter: adapter structure | |
530 | * | |
531 | * NIC gets precedence over ISCSI and ISCSI has precedence over FCOE. | |
532 | * Within the same class, function with lowest PCI ID assumes ownership | |
533 | * | |
534 | * Returns: reset owner id or failure indication (-EIO) | |
535 | * | |
536 | **/ | |
537 | static int qlcnic_83xx_idc_find_reset_owner_id(struct qlcnic_adapter *adapter) | |
538 | { | |
539 | u32 reg, reg1, reg2, i, j, owner, class; | |
540 | ||
541 | reg1 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_1); | |
542 | reg2 = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_PARTITION_INFO_2); | |
543 | owner = QLCNIC_TYPE_NIC; | |
544 | i = 0; | |
545 | j = 0; | |
546 | reg = reg1; | |
547 | ||
548 | do { | |
549 | class = (((reg & (0xF << j * 4)) >> j * 4) & 0x3); | |
550 | if (class == owner) | |
551 | break; | |
552 | if (i == (QLC_83XX_IDC_MAX_FUNC_PER_PARTITION_INFO - 1)) { | |
553 | reg = reg2; | |
554 | j = 0; | |
555 | } else { | |
556 | j++; | |
557 | } | |
558 | ||
559 | if (i == (QLC_83XX_IDC_MAX_CNA_FUNCTIONS - 1)) { | |
560 | if (owner == QLCNIC_TYPE_NIC) | |
561 | owner = QLCNIC_TYPE_ISCSI; | |
562 | else if (owner == QLCNIC_TYPE_ISCSI) | |
563 | owner = QLCNIC_TYPE_FCOE; | |
564 | else if (owner == QLCNIC_TYPE_FCOE) | |
565 | return -EIO; | |
566 | reg = reg1; | |
567 | j = 0; | |
568 | i = 0; | |
569 | } | |
570 | } while (i++ < QLC_83XX_IDC_MAX_CNA_FUNCTIONS); | |
571 | ||
572 | return i; | |
573 | } | |
574 | ||
575 | static int qlcnic_83xx_idc_restart_hw(struct qlcnic_adapter *adapter, int lock) | |
576 | { | |
577 | int ret = 0; | |
578 | ||
579 | ret = qlcnic_83xx_restart_hw(adapter); | |
580 | ||
581 | if (ret) { | |
582 | qlcnic_83xx_idc_enter_failed_state(adapter, lock); | |
583 | } else { | |
584 | qlcnic_83xx_idc_clear_registers(adapter, lock); | |
585 | ret = qlcnic_83xx_idc_enter_ready_state(adapter, lock); | |
586 | } | |
587 | ||
588 | return ret; | |
589 | } | |
590 | ||
591 | static int qlcnic_83xx_idc_check_fan_failure(struct qlcnic_adapter *adapter) | |
592 | { | |
593 | u32 status; | |
594 | ||
595 | status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); | |
596 | ||
597 | if (status & QLCNIC_RCODE_FATAL_ERROR) { | |
598 | dev_err(&adapter->pdev->dev, | |
599 | "peg halt status1=0x%x\n", status); | |
600 | if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { | |
601 | dev_err(&adapter->pdev->dev, | |
602 | "On board active cooling fan failed. " | |
603 | "Device has been halted.\n"); | |
604 | dev_err(&adapter->pdev->dev, | |
605 | "Replace the adapter.\n"); | |
606 | return -EIO; | |
607 | } | |
608 | } | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
486a5bc7 | 613 | int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) |
629263ac | 614 | { |
f036e4f4 RB |
615 | int err; |
616 | ||
068a8d19 MC |
617 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
618 | qlcnic_83xx_enable_mbx_interrupt(adapter); | |
619 | ||
9b0fff2a | 620 | qlcnic_83xx_initialize_nic(adapter, 1); |
d5fcff04 | 621 | |
f036e4f4 RB |
622 | err = qlcnic_sriov_pf_reinit(adapter); |
623 | if (err) | |
624 | return err; | |
625 | ||
e5c4e6c6 | 626 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
629263ac SC |
627 | |
628 | if (qlcnic_83xx_configure_opmode(adapter)) { | |
629 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
630 | return -EIO; | |
631 | } | |
632 | ||
633 | if (adapter->nic_ops->init_driver(adapter)) { | |
634 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
635 | return -EIO; | |
636 | } | |
637 | ||
24866d15 HM |
638 | if (adapter->portnum == 0) |
639 | qlcnic_set_drv_version(adapter); | |
14d385b9 | 640 | |
1de899d3 | 641 | qlcnic_dcb_get_info(adapter->dcb); |
629263ac SC |
642 | qlcnic_83xx_idc_attach_driver(adapter); |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
647 | static void qlcnic_83xx_idc_update_idc_params(struct qlcnic_adapter *adapter) | |
648 | { | |
536faa61 SC |
649 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
650 | ||
629263ac | 651 | qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 1); |
629263ac SC |
652 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); |
653 | set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); | |
536faa61 SC |
654 | |
655 | ahw->idc.quiesce_req = 0; | |
656 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; | |
657 | ahw->idc.err_code = 0; | |
658 | ahw->idc.collect_dump = 0; | |
659 | ahw->reset_context = 0; | |
660 | adapter->tx_timeo_cnt = 0; | |
099907fa | 661 | ahw->idc.delay_reset = 0; |
536faa61 SC |
662 | |
663 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
629263ac SC |
664 | } |
665 | ||
666 | /** | |
667 | * qlcnic_83xx_idc_ready_state_entry | |
668 | * | |
669 | * @adapter: adapter structure | |
670 | * | |
671 | * Perform ready state initialization, this routine will get invoked only | |
672 | * once from READY state. | |
673 | * | |
674 | * Returns: Error code or Success(0) | |
675 | * | |
676 | **/ | |
677 | int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *adapter) | |
678 | { | |
679 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
680 | ||
681 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) { | |
682 | qlcnic_83xx_idc_update_idc_params(adapter); | |
683 | /* Re-attach the device if required */ | |
684 | if ((ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || | |
685 | (ahw->idc.prev_state == QLC_83XX_IDC_DEV_INIT)) { | |
686 | if (qlcnic_83xx_idc_reattach_driver(adapter)) | |
687 | return -EIO; | |
688 | } | |
689 | } | |
690 | ||
691 | return 0; | |
692 | } | |
693 | ||
d71170fb SC |
694 | /** |
695 | * qlcnic_83xx_idc_vnic_pf_entry | |
696 | * | |
697 | * @adapter: adapter structure | |
698 | * | |
699 | * Ensure vNIC mode privileged function starts only after vNIC mode is | |
700 | * enabled by management function. | |
701 | * If vNIC mode is ready, start initialization. | |
702 | * | |
703 | * Returns: -EIO or 0 | |
704 | * | |
705 | **/ | |
706 | int qlcnic_83xx_idc_vnic_pf_entry(struct qlcnic_adapter *adapter) | |
707 | { | |
708 | u32 state; | |
709 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
710 | ||
711 | /* Privileged function waits till mgmt function enables VNIC mode */ | |
712 | state = QLCRDX(adapter->ahw, QLC_83XX_VNIC_STATE); | |
713 | if (state != QLCNIC_DEV_NPAR_OPER) { | |
714 | if (!ahw->idc.vnic_wait_limit--) { | |
715 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
716 | return -EIO; | |
717 | } | |
718 | dev_info(&adapter->pdev->dev, "vNIC mode disabled\n"); | |
719 | return -EIO; | |
720 | ||
721 | } else { | |
722 | /* Perform one time initialization from ready state */ | |
723 | if (ahw->idc.vnic_state != QLCNIC_DEV_NPAR_OPER) { | |
724 | qlcnic_83xx_idc_update_idc_params(adapter); | |
725 | ||
726 | /* If the previous state is UNKNOWN, device will be | |
727 | already attached properly by Init routine*/ | |
728 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_UNKNOWN) { | |
729 | if (qlcnic_83xx_idc_reattach_driver(adapter)) | |
730 | return -EIO; | |
731 | } | |
732 | adapter->ahw->idc.vnic_state = QLCNIC_DEV_NPAR_OPER; | |
733 | dev_info(&adapter->pdev->dev, "vNIC mode enabled\n"); | |
734 | } | |
735 | } | |
736 | ||
737 | return 0; | |
738 | } | |
739 | ||
629263ac SC |
740 | static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter) |
741 | { | |
742 | adapter->ahw->idc.err_code = -EIO; | |
743 | dev_err(&adapter->pdev->dev, | |
744 | "%s: Device in unknown state\n", __func__); | |
30fa15f6 | 745 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
629263ac SC |
746 | return 0; |
747 | } | |
748 | ||
749 | /** | |
750 | * qlcnic_83xx_idc_cold_state | |
751 | * | |
752 | * @adapter: adapter structure | |
753 | * | |
754 | * If HW is up and running device will enter READY state. | |
755 | * If firmware image from host needs to be loaded, device is | |
756 | * forced to start with the file firmware image. | |
757 | * | |
758 | * Returns: Error code or Success(0) | |
759 | * | |
760 | **/ | |
761 | static int qlcnic_83xx_idc_cold_state_handler(struct qlcnic_adapter *adapter) | |
762 | { | |
763 | qlcnic_83xx_idc_update_drv_presence_reg(adapter, 1, 0); | |
764 | qlcnic_83xx_idc_update_audit_reg(adapter, 1, 0); | |
765 | ||
766 | if (qlcnic_load_fw_file) { | |
767 | qlcnic_83xx_idc_restart_hw(adapter, 0); | |
768 | } else { | |
769 | if (qlcnic_83xx_check_hw_status(adapter)) { | |
770 | qlcnic_83xx_idc_enter_failed_state(adapter, 0); | |
771 | return -EIO; | |
772 | } else { | |
773 | qlcnic_83xx_idc_enter_ready_state(adapter, 0); | |
774 | } | |
775 | } | |
776 | return 0; | |
777 | } | |
778 | ||
779 | /** | |
780 | * qlcnic_83xx_idc_init_state | |
781 | * | |
782 | * @adapter: adapter structure | |
783 | * | |
784 | * Reset owner will restart the device from this state. | |
785 | * Device will enter failed state if it remains | |
786 | * in this state for more than DEV_INIT time limit. | |
787 | * | |
788 | * Returns: Error code or Success(0) | |
789 | * | |
790 | **/ | |
791 | static int qlcnic_83xx_idc_init_state(struct qlcnic_adapter *adapter) | |
792 | { | |
793 | int timeout, ret = 0; | |
794 | u32 owner; | |
795 | ||
796 | timeout = QLC_83XX_IDC_INIT_TIMEOUT_SECS; | |
797 | if (adapter->ahw->idc.prev_state == QLC_83XX_IDC_DEV_NEED_RESET) { | |
798 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
799 | if (adapter->ahw->pci_func == owner) | |
800 | ret = qlcnic_83xx_idc_restart_hw(adapter, 1); | |
801 | } else { | |
802 | ret = qlcnic_83xx_idc_check_timeout(adapter, timeout); | |
629263ac SC |
803 | } |
804 | ||
805 | return ret; | |
806 | } | |
807 | ||
808 | /** | |
809 | * qlcnic_83xx_idc_ready_state | |
810 | * | |
811 | * @adapter: adapter structure | |
812 | * | |
813 | * Perform IDC protocol specicifed actions after monitoring device state and | |
814 | * events. | |
815 | * | |
816 | * Returns: Error code or Success(0) | |
817 | * | |
818 | **/ | |
819 | static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter) | |
820 | { | |
629263ac | 821 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
068a8d19 | 822 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
629263ac | 823 | int ret = 0; |
068a8d19 | 824 | u32 val; |
629263ac SC |
825 | |
826 | /* Perform NIC configuration based ready state entry actions */ | |
827 | if (ahw->idc.state_entry(adapter)) | |
828 | return -EIO; | |
829 | ||
830 | if (qlcnic_check_temp(adapter)) { | |
831 | if (ahw->temp == QLCNIC_TEMP_PANIC) { | |
832 | qlcnic_83xx_idc_check_fan_failure(adapter); | |
833 | dev_err(&adapter->pdev->dev, | |
834 | "Error: device temperature %d above limits\n", | |
835 | adapter->ahw->temp); | |
068a8d19 | 836 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
629263ac SC |
837 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
838 | qlcnic_83xx_idc_detach_driver(adapter); | |
839 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
840 | return -EIO; | |
841 | } | |
842 | } | |
843 | ||
844 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
845 | ret = qlcnic_83xx_check_heartbeat(adapter); | |
846 | if (ret) { | |
847 | adapter->flags |= QLCNIC_FW_HANG; | |
848 | if (!(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { | |
068a8d19 | 849 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
629263ac SC |
850 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
851 | qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); | |
891e71b1 | 852 | } else { |
30fa15f6 MC |
853 | netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", |
854 | __func__); | |
855 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
629263ac SC |
856 | } |
857 | return -EIO; | |
858 | } | |
859 | ||
860 | if ((val & QLC_83XX_IDC_GRACEFULL_RESET) || ahw->idc.collect_dump) { | |
068a8d19 MC |
861 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
862 | ||
629263ac SC |
863 | /* Move to need reset state and prepare for reset */ |
864 | qlcnic_83xx_idc_enter_need_reset_state(adapter, 1); | |
865 | return ret; | |
866 | } | |
867 | ||
868 | /* Check for soft reset request */ | |
869 | if (ahw->reset_context && | |
870 | !(val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY)) { | |
536faa61 | 871 | adapter->ahw->reset_context = 0; |
629263ac SC |
872 | qlcnic_83xx_idc_tx_soft_reset(adapter); |
873 | return ret; | |
874 | } | |
875 | ||
876 | /* Move to need quiesce state if requested */ | |
877 | if (adapter->ahw->idc.quiesce_req) { | |
878 | qlcnic_83xx_idc_enter_need_quiesce(adapter, 1); | |
879 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); | |
880 | return ret; | |
881 | } | |
882 | ||
883 | return ret; | |
884 | } | |
885 | ||
886 | /** | |
887 | * qlcnic_83xx_idc_need_reset_state | |
888 | * | |
889 | * @adapter: adapter structure | |
890 | * | |
891 | * Device will remain in this state until: | |
892 | * Reset request ACK's are recieved from all the functions | |
893 | * Wait time exceeds max time limit | |
894 | * | |
895 | * Returns: Error code or Success(0) | |
896 | * | |
897 | **/ | |
898 | static int qlcnic_83xx_idc_need_reset_state(struct qlcnic_adapter *adapter) | |
899 | { | |
068a8d19 | 900 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
629263ac SC |
901 | int ret = 0; |
902 | ||
903 | if (adapter->ahw->idc.prev_state != QLC_83XX_IDC_DEV_NEED_RESET) { | |
629263ac SC |
904 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); |
905 | set_bit(__QLCNIC_RESETTING, &adapter->state); | |
068a8d19 | 906 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
34e8c406 | 907 | if (adapter->ahw->nic_mode == QLCNIC_VNIC_MODE) |
d71170fb | 908 | qlcnic_83xx_disable_vnic_mode(adapter, 1); |
099907fa SC |
909 | |
910 | if (qlcnic_check_diag_status(adapter)) { | |
911 | dev_info(&adapter->pdev->dev, | |
912 | "%s: Wait for diag completion\n", __func__); | |
913 | adapter->ahw->idc.delay_reset = 1; | |
914 | return 0; | |
915 | } else { | |
916 | qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); | |
917 | qlcnic_83xx_idc_detach_driver(adapter); | |
918 | } | |
629263ac SC |
919 | } |
920 | ||
099907fa | 921 | if (qlcnic_check_diag_status(adapter)) { |
629263ac | 922 | dev_info(&adapter->pdev->dev, |
099907fa SC |
923 | "%s: Wait for diag completion\n", __func__); |
924 | return -1; | |
925 | } else { | |
926 | if (adapter->ahw->idc.delay_reset) { | |
927 | qlcnic_83xx_idc_update_drv_ack_reg(adapter, 1, 1); | |
928 | qlcnic_83xx_idc_detach_driver(adapter); | |
929 | adapter->ahw->idc.delay_reset = 0; | |
930 | } | |
931 | ||
932 | /* Check for ACK from other functions */ | |
933 | ret = qlcnic_83xx_idc_check_reset_ack_reg(adapter); | |
934 | if (ret) { | |
935 | dev_info(&adapter->pdev->dev, | |
936 | "%s: Waiting for reset ACK\n", __func__); | |
937 | return -1; | |
938 | } | |
629263ac SC |
939 | } |
940 | ||
941 | /* Transit to INIT state and restart the HW */ | |
942 | qlcnic_83xx_idc_enter_init_state(adapter, 1); | |
943 | ||
944 | return ret; | |
945 | } | |
946 | ||
947 | static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter) | |
948 | { | |
949 | dev_err(&adapter->pdev->dev, "%s: TBD\n", __func__); | |
950 | return 0; | |
951 | } | |
952 | ||
30fa15f6 | 953 | static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter) |
629263ac | 954 | { |
30fa15f6 MC |
955 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
956 | u32 val, owner; | |
957 | ||
958 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
959 | if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { | |
960 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
961 | if (ahw->pci_func == owner) { | |
962 | qlcnic_83xx_stop_hw(adapter); | |
963 | qlcnic_dump_fw(adapter); | |
964 | } | |
965 | } | |
966 | ||
967 | netdev_warn(adapter->netdev, "%s: Reboot will be required to recover the adapter!!\n", | |
968 | __func__); | |
536faa61 | 969 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
30fa15f6 | 970 | ahw->idc.err_code = -EIO; |
629263ac | 971 | |
30fa15f6 | 972 | return; |
629263ac SC |
973 | } |
974 | ||
975 | static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter) | |
976 | { | |
977 | dev_info(&adapter->pdev->dev, "%s: TBD\n", __func__); | |
978 | return 0; | |
979 | } | |
980 | ||
981 | static int qlcnic_83xx_idc_check_state_validity(struct qlcnic_adapter *adapter, | |
982 | u32 state) | |
983 | { | |
984 | u32 cur, prev, next; | |
985 | ||
986 | cur = adapter->ahw->idc.curr_state; | |
987 | prev = adapter->ahw->idc.prev_state; | |
988 | next = state; | |
989 | ||
990 | if ((next < QLC_83XX_IDC_DEV_COLD) || | |
991 | (next > QLC_83XX_IDC_DEV_QUISCENT)) { | |
992 | dev_err(&adapter->pdev->dev, | |
993 | "%s: curr %d, prev %d, next state %d is invalid\n", | |
994 | __func__, cur, prev, state); | |
995 | return 1; | |
996 | } | |
997 | ||
998 | if ((cur == QLC_83XX_IDC_DEV_UNKNOWN) && | |
999 | (prev == QLC_83XX_IDC_DEV_UNKNOWN)) { | |
1000 | if ((next != QLC_83XX_IDC_DEV_COLD) && | |
1001 | (next != QLC_83XX_IDC_DEV_READY)) { | |
1002 | dev_err(&adapter->pdev->dev, | |
1003 | "%s: failed, cur %d prev %d next %d\n", | |
1004 | __func__, cur, prev, next); | |
1005 | return 1; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | if (next == QLC_83XX_IDC_DEV_INIT) { | |
1010 | if ((prev != QLC_83XX_IDC_DEV_INIT) && | |
1011 | (prev != QLC_83XX_IDC_DEV_COLD) && | |
1012 | (prev != QLC_83XX_IDC_DEV_NEED_RESET)) { | |
1013 | dev_err(&adapter->pdev->dev, | |
1014 | "%s: failed, cur %d prev %d next %d\n", | |
1015 | __func__, cur, prev, next); | |
1016 | return 1; | |
1017 | } | |
1018 | } | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
7f1f6056 | 1023 | #ifdef CONFIG_QLCNIC_VXLAN |
2b3d7b75 SS |
1024 | #define QLC_83XX_ENCAP_TYPE_VXLAN BIT_1 |
1025 | #define QLC_83XX_MATCH_ENCAP_ID BIT_2 | |
1026 | #define QLC_83XX_SET_VXLAN_UDP_DPORT BIT_3 | |
1027 | #define QLC_83XX_VXLAN_UDP_DPORT(PORT) ((PORT & 0xffff) << 16) | |
1028 | ||
1029 | #define QLCNIC_ENABLE_INGRESS_ENCAP_PARSING 1 | |
1030 | #define QLCNIC_DISABLE_INGRESS_ENCAP_PARSING 0 | |
1031 | ||
1032 | static int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter) | |
1033 | { | |
1034 | u16 port = adapter->ahw->vxlan_port; | |
1035 | struct qlcnic_cmd_args cmd; | |
1036 | int ret = 0; | |
1037 | ||
1038 | memset(&cmd, 0, sizeof(cmd)); | |
1039 | ||
1040 | ret = qlcnic_alloc_mbx_args(&cmd, adapter, | |
1041 | QLCNIC_CMD_INIT_NIC_FUNC); | |
1042 | if (ret) | |
1043 | return ret; | |
1044 | ||
1045 | cmd.req.arg[1] = QLC_83XX_MULTI_TENANCY_INFO; | |
1046 | cmd.req.arg[2] = QLC_83XX_ENCAP_TYPE_VXLAN | | |
1047 | QLC_83XX_SET_VXLAN_UDP_DPORT | | |
1048 | QLC_83XX_VXLAN_UDP_DPORT(port); | |
1049 | ||
1050 | ret = qlcnic_issue_cmd(adapter, &cmd); | |
1051 | if (ret) | |
1052 | netdev_err(adapter->netdev, | |
1053 | "Failed to set VXLAN port %d in adapter\n", | |
1054 | port); | |
1055 | ||
1056 | qlcnic_free_mbx_args(&cmd); | |
1057 | ||
1058 | return ret; | |
1059 | } | |
1060 | ||
1061 | static int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, | |
1062 | bool state) | |
1063 | { | |
1064 | u16 vxlan_port = adapter->ahw->vxlan_port; | |
1065 | struct qlcnic_cmd_args cmd; | |
1066 | int ret = 0; | |
1067 | ||
1068 | memset(&cmd, 0, sizeof(cmd)); | |
1069 | ||
1070 | ret = qlcnic_alloc_mbx_args(&cmd, adapter, | |
1071 | QLCNIC_CMD_SET_INGRESS_ENCAP); | |
1072 | if (ret) | |
1073 | return ret; | |
1074 | ||
1075 | cmd.req.arg[1] = state ? QLCNIC_ENABLE_INGRESS_ENCAP_PARSING : | |
1076 | QLCNIC_DISABLE_INGRESS_ENCAP_PARSING; | |
1077 | ||
1078 | ret = qlcnic_issue_cmd(adapter, &cmd); | |
1079 | if (ret) | |
1080 | netdev_err(adapter->netdev, | |
1081 | "Failed to %s VXLAN parsing for port %d\n", | |
1082 | state ? "enable" : "disable", vxlan_port); | |
1083 | else | |
1084 | netdev_info(adapter->netdev, | |
1085 | "%s VXLAN parsing for port %d\n", | |
1086 | state ? "Enabled" : "Disabled", vxlan_port); | |
1087 | ||
1088 | qlcnic_free_mbx_args(&cmd); | |
1089 | ||
1090 | return ret; | |
1091 | } | |
7f1f6056 | 1092 | #endif |
2b3d7b75 | 1093 | |
629263ac SC |
1094 | static void qlcnic_83xx_periodic_tasks(struct qlcnic_adapter *adapter) |
1095 | { | |
1096 | if (adapter->fhash.fnum) | |
1097 | qlcnic_prune_lb_filters(adapter); | |
2b3d7b75 | 1098 | |
7f1f6056 | 1099 | #ifdef CONFIG_QLCNIC_VXLAN |
2b3d7b75 SS |
1100 | if (adapter->flags & QLCNIC_ADD_VXLAN_PORT) { |
1101 | if (qlcnic_set_vxlan_port(adapter)) | |
1102 | return; | |
1103 | ||
1104 | if (qlcnic_set_vxlan_parsing(adapter, true)) | |
1105 | return; | |
1106 | ||
1107 | adapter->flags &= ~QLCNIC_ADD_VXLAN_PORT; | |
1108 | } else if (adapter->flags & QLCNIC_DEL_VXLAN_PORT) { | |
1109 | if (qlcnic_set_vxlan_parsing(adapter, false)) | |
1110 | return; | |
1111 | ||
7f1f6056 | 1112 | adapter->ahw->vxlan_port = 0; |
2b3d7b75 SS |
1113 | adapter->flags &= ~QLCNIC_DEL_VXLAN_PORT; |
1114 | } | |
7f1f6056 | 1115 | #endif |
629263ac SC |
1116 | } |
1117 | ||
1118 | /** | |
1119 | * qlcnic_83xx_idc_poll_dev_state | |
1120 | * | |
1121 | * @work: kernel work queue structure used to schedule the function | |
1122 | * | |
1123 | * Poll device state periodically and perform state specific | |
1124 | * actions defined by Inter Driver Communication (IDC) protocol. | |
1125 | * | |
1126 | * Returns: None | |
1127 | * | |
1128 | **/ | |
1129 | void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work) | |
1130 | { | |
1131 | struct qlcnic_adapter *adapter; | |
1132 | u32 state; | |
1133 | ||
1134 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); | |
1135 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1136 | ||
1137 | if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { | |
1138 | qlcnic_83xx_idc_log_state_history(adapter); | |
1139 | adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1140 | } else { | |
1141 | adapter->ahw->idc.curr_state = state; | |
1142 | } | |
1143 | ||
1144 | switch (adapter->ahw->idc.curr_state) { | |
1145 | case QLC_83XX_IDC_DEV_READY: | |
1146 | qlcnic_83xx_idc_ready_state(adapter); | |
1147 | break; | |
1148 | case QLC_83XX_IDC_DEV_NEED_RESET: | |
1149 | qlcnic_83xx_idc_need_reset_state(adapter); | |
1150 | break; | |
1151 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: | |
1152 | qlcnic_83xx_idc_need_quiesce_state(adapter); | |
1153 | break; | |
1154 | case QLC_83XX_IDC_DEV_FAILED: | |
1155 | qlcnic_83xx_idc_failed_state(adapter); | |
1156 | return; | |
1157 | case QLC_83XX_IDC_DEV_INIT: | |
1158 | qlcnic_83xx_idc_init_state(adapter); | |
1159 | break; | |
1160 | case QLC_83XX_IDC_DEV_QUISCENT: | |
1161 | qlcnic_83xx_idc_quiesce_state(adapter); | |
1162 | break; | |
1163 | default: | |
1164 | qlcnic_83xx_idc_unknown_state(adapter); | |
1165 | return; | |
1166 | } | |
1167 | adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state; | |
1168 | qlcnic_83xx_periodic_tasks(adapter); | |
1169 | ||
1170 | /* Re-schedule the function */ | |
1171 | if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status)) | |
1172 | qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, | |
1173 | adapter->ahw->idc.delay); | |
1174 | } | |
1175 | ||
1176 | static void qlcnic_83xx_setup_idc_parameters(struct qlcnic_adapter *adapter) | |
1177 | { | |
1178 | u32 idc_params, val; | |
1179 | ||
1180 | if (qlcnic_83xx_lockless_flash_read32(adapter, | |
1181 | QLC_83XX_IDC_FLASH_PARAM_ADDR, | |
1182 | (u8 *)&idc_params, 1)) { | |
1183 | dev_info(&adapter->pdev->dev, | |
1184 | "%s:failed to get IDC params from flash\n", __func__); | |
1185 | adapter->dev_init_timeo = QLC_83XX_IDC_INIT_TIMEOUT_SECS; | |
1186 | adapter->reset_ack_timeo = QLC_83XX_IDC_RESET_TIMEOUT_SECS; | |
1187 | } else { | |
1188 | adapter->dev_init_timeo = idc_params & 0xFFFF; | |
1189 | adapter->reset_ack_timeo = ((idc_params >> 16) & 0xFFFF); | |
1190 | } | |
1191 | ||
1192 | adapter->ahw->idc.curr_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1193 | adapter->ahw->idc.prev_state = QLC_83XX_IDC_DEV_UNKNOWN; | |
1194 | adapter->ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; | |
1195 | adapter->ahw->idc.err_code = 0; | |
1196 | adapter->ahw->idc.collect_dump = 0; | |
1197 | adapter->ahw->idc.name = (char **)qlc_83xx_idc_states; | |
1198 | ||
1199 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
629263ac SC |
1200 | set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
1201 | ||
1202 | /* Check if reset recovery is disabled */ | |
1203 | if (!qlcnic_auto_fw_reset) { | |
1204 | /* Propagate do not reset request to other functions */ | |
1205 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1206 | val = val | QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; | |
1207 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | static int | |
1212 | qlcnic_83xx_idc_first_to_load_function_handler(struct qlcnic_adapter *adapter) | |
1213 | { | |
1214 | u32 state, val; | |
1215 | ||
1216 | if (qlcnic_83xx_lock_driver(adapter)) | |
1217 | return -EIO; | |
1218 | ||
1219 | /* Clear driver lock register */ | |
1220 | QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, 0); | |
1221 | if (qlcnic_83xx_idc_update_major_version(adapter, 0)) { | |
1222 | qlcnic_83xx_unlock_driver(adapter); | |
1223 | return -EIO; | |
1224 | } | |
1225 | ||
1226 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); | |
1227 | if (qlcnic_83xx_idc_check_state_validity(adapter, state)) { | |
1228 | qlcnic_83xx_unlock_driver(adapter); | |
1229 | return -EIO; | |
1230 | } | |
1231 | ||
1232 | if (state != QLC_83XX_IDC_DEV_COLD && qlcnic_load_fw_file) { | |
1233 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DEV_STATE, | |
1234 | QLC_83XX_IDC_DEV_COLD); | |
1235 | state = QLC_83XX_IDC_DEV_COLD; | |
1236 | } | |
1237 | ||
1238 | adapter->ahw->idc.curr_state = state; | |
1239 | /* First to load function should cold boot the device */ | |
1240 | if (state == QLC_83XX_IDC_DEV_COLD) | |
1241 | qlcnic_83xx_idc_cold_state_handler(adapter); | |
1242 | ||
1243 | /* Check if reset recovery is enabled */ | |
1244 | if (qlcnic_auto_fw_reset) { | |
1245 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1246 | val = val & ~QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY; | |
1247 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1248 | } | |
1249 | ||
1250 | qlcnic_83xx_unlock_driver(adapter); | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
486a5bc7 | 1255 | int qlcnic_83xx_idc_init(struct qlcnic_adapter *adapter) |
629263ac | 1256 | { |
81d0aeb0 SC |
1257 | int ret = -EIO; |
1258 | ||
629263ac SC |
1259 | qlcnic_83xx_setup_idc_parameters(adapter); |
1260 | ||
81d0aeb0 SC |
1261 | if (qlcnic_83xx_get_reset_instruction_template(adapter)) |
1262 | return ret; | |
1263 | ||
629263ac SC |
1264 | if (!qlcnic_83xx_idc_check_driver_presence_reg(adapter)) { |
1265 | if (qlcnic_83xx_idc_first_to_load_function_handler(adapter)) | |
1266 | return -EIO; | |
1267 | } else { | |
1268 | if (qlcnic_83xx_idc_check_major_version(adapter)) | |
1269 | return -EIO; | |
1270 | } | |
1271 | ||
1272 | qlcnic_83xx_idc_update_audit_reg(adapter, 0, 1); | |
1273 | ||
1274 | return 0; | |
1275 | } | |
1276 | ||
1277 | void qlcnic_83xx_idc_exit(struct qlcnic_adapter *adapter) | |
1278 | { | |
1279 | int id; | |
1280 | u32 val; | |
1281 | ||
1282 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) | |
1283 | usleep_range(10000, 11000); | |
1284 | ||
1285 | id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); | |
1286 | id = id & 0xFF; | |
1287 | ||
1288 | if (id == adapter->portnum) { | |
1289 | dev_err(&adapter->pdev->dev, | |
1290 | "%s: wait for lock recovery.. %d\n", __func__, id); | |
1291 | msleep(20); | |
1292 | id = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); | |
1293 | id = id & 0xFF; | |
1294 | } | |
1295 | ||
1296 | /* Clear driver presence bit */ | |
1297 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
1298 | val = val & ~(1 << adapter->portnum); | |
1299 | QLCWRX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE, val); | |
1300 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); | |
1301 | clear_bit(__QLCNIC_RESETTING, &adapter->state); | |
1302 | ||
1303 | cancel_delayed_work_sync(&adapter->fw_work); | |
1304 | } | |
1305 | ||
1306 | void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key) | |
1307 | { | |
1308 | u32 val; | |
1309 | ||
068a8d19 MC |
1310 | if (qlcnic_sriov_vf_check(adapter)) |
1311 | return; | |
1312 | ||
629263ac SC |
1313 | if (qlcnic_83xx_lock_driver(adapter)) { |
1314 | dev_err(&adapter->pdev->dev, | |
1315 | "%s:failed, please retry\n", __func__); | |
1316 | return; | |
1317 | } | |
1318 | ||
1319 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
30fa15f6 MC |
1320 | if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { |
1321 | netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", | |
1322 | __func__); | |
1323 | qlcnic_83xx_idc_enter_failed_state(adapter, 0); | |
629263ac SC |
1324 | qlcnic_83xx_unlock_driver(adapter); |
1325 | return; | |
1326 | } | |
1327 | ||
1328 | if (key == QLCNIC_FORCE_FW_RESET) { | |
1329 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
1330 | val = val | QLC_83XX_IDC_GRACEFULL_RESET; | |
1331 | QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val); | |
1332 | } else if (key == QLCNIC_FORCE_FW_DUMP_KEY) { | |
1333 | adapter->ahw->idc.collect_dump = 1; | |
1334 | } | |
1335 | ||
1336 | qlcnic_83xx_unlock_driver(adapter); | |
1337 | return; | |
1338 | } | |
1339 | ||
1340 | static int qlcnic_83xx_copy_bootloader(struct qlcnic_adapter *adapter) | |
1341 | { | |
1342 | u8 *p_cache; | |
1343 | u32 src, size; | |
1344 | u64 dest; | |
1345 | int ret = -EIO; | |
1346 | ||
1347 | src = QLC_83XX_BOOTLOADER_FLASH_ADDR; | |
1348 | dest = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_ADDR); | |
1349 | size = QLCRDX(adapter->ahw, QLCNIC_BOOTLOADER_SIZE); | |
1350 | ||
1351 | /* alignment check */ | |
1352 | if (size & 0xF) | |
1353 | size = (size + 16) & ~0xF; | |
1354 | ||
3fc38e26 | 1355 | p_cache = vzalloc(size); |
b2adaca9 | 1356 | if (p_cache == NULL) |
629263ac | 1357 | return -ENOMEM; |
b2adaca9 | 1358 | |
629263ac SC |
1359 | ret = qlcnic_83xx_lockless_flash_read32(adapter, src, p_cache, |
1360 | size / sizeof(u32)); | |
1361 | if (ret) { | |
3fc38e26 | 1362 | vfree(p_cache); |
629263ac SC |
1363 | return ret; |
1364 | } | |
1365 | /* 16 byte write to MS memory */ | |
8d37ba02 SS |
1366 | ret = qlcnic_ms_mem_write128(adapter, dest, (u32 *)p_cache, |
1367 | size / 16); | |
629263ac | 1368 | if (ret) { |
3fc38e26 | 1369 | vfree(p_cache); |
629263ac SC |
1370 | return ret; |
1371 | } | |
3fc38e26 | 1372 | vfree(p_cache); |
629263ac SC |
1373 | |
1374 | return ret; | |
1375 | } | |
1376 | ||
1377 | static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) | |
1378 | { | |
7000078a PP |
1379 | struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; |
1380 | const struct firmware *fw = fw_info->fw; | |
3d8623e6 | 1381 | u32 dest, *p_cache, *temp; |
7000078a | 1382 | int i, ret = -EIO; |
3d8623e6 | 1383 | __le32 *temp_le; |
629263ac SC |
1384 | u8 data[16]; |
1385 | size_t size; | |
7000078a | 1386 | u64 addr; |
629263ac | 1387 | |
3d8623e6 SS |
1388 | temp = kzalloc(fw->size, GFP_KERNEL); |
1389 | if (!temp) { | |
1390 | release_firmware(fw); | |
1391 | fw_info->fw = NULL; | |
1392 | return -ENOMEM; | |
1393 | } | |
1394 | ||
1395 | temp_le = (__le32 *)fw->data; | |
1396 | ||
1397 | /* FW image in file is in little endian, swap the data to nullify | |
1398 | * the effect of writel() operation on big endian platform. | |
1399 | */ | |
1400 | for (i = 0; i < fw->size / sizeof(u32); i++) | |
1401 | temp[i] = __le32_to_cpu(temp_le[i]); | |
1402 | ||
629263ac | 1403 | dest = QLCRDX(adapter->ahw, QLCNIC_FW_IMAGE_ADDR); |
7000078a | 1404 | size = (fw->size & ~0xF); |
3d8623e6 | 1405 | p_cache = temp; |
629263ac SC |
1406 | addr = (u64)dest; |
1407 | ||
8d37ba02 SS |
1408 | ret = qlcnic_ms_mem_write128(adapter, addr, |
1409 | p_cache, size / 16); | |
629263ac SC |
1410 | if (ret) { |
1411 | dev_err(&adapter->pdev->dev, "MS memory write failed\n"); | |
3d8623e6 | 1412 | goto exit; |
629263ac SC |
1413 | } |
1414 | ||
1415 | /* alignment check */ | |
7000078a | 1416 | if (fw->size & 0xF) { |
629263ac | 1417 | addr = dest + size; |
7000078a | 1418 | for (i = 0; i < (fw->size & 0xF); i++) |
3d8623e6 | 1419 | data[i] = temp[size + i]; |
629263ac SC |
1420 | for (; i < 16; i++) |
1421 | data[i] = 0; | |
8d37ba02 SS |
1422 | ret = qlcnic_ms_mem_write128(adapter, addr, |
1423 | (u32 *)data, 1); | |
629263ac SC |
1424 | if (ret) { |
1425 | dev_err(&adapter->pdev->dev, | |
1426 | "MS memory write failed\n"); | |
3d8623e6 | 1427 | goto exit; |
629263ac SC |
1428 | } |
1429 | } | |
3d8623e6 SS |
1430 | |
1431 | exit: | |
7000078a PP |
1432 | release_firmware(fw); |
1433 | fw_info->fw = NULL; | |
3d8623e6 | 1434 | kfree(temp); |
629263ac | 1435 | |
3d8623e6 | 1436 | return ret; |
629263ac SC |
1437 | } |
1438 | ||
1439 | static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) | |
1440 | { | |
1441 | int i, j; | |
1442 | u32 val = 0, val1 = 0, reg = 0; | |
4bd8e738 | 1443 | int err = 0; |
629263ac | 1444 | |
4bd8e738 HM |
1445 | val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG, &err); |
1446 | if (err == -EIO) | |
1447 | return; | |
629263ac SC |
1448 | dev_info(&adapter->pdev->dev, "SRE-Shim Ctrl:0x%x\n", val); |
1449 | ||
1450 | for (j = 0; j < 2; j++) { | |
1451 | if (j == 0) { | |
1452 | dev_info(&adapter->pdev->dev, | |
1453 | "Port 0 RxB Pause Threshold Regs[TC7..TC0]:"); | |
1454 | reg = QLC_83XX_PORT0_THRESHOLD; | |
1455 | } else if (j == 1) { | |
1456 | dev_info(&adapter->pdev->dev, | |
1457 | "Port 1 RxB Pause Threshold Regs[TC7..TC0]:"); | |
1458 | reg = QLC_83XX_PORT1_THRESHOLD; | |
1459 | } | |
1460 | for (i = 0; i < 8; i++) { | |
4bd8e738 HM |
1461 | val = QLCRD32(adapter, reg + (i * 0x4), &err); |
1462 | if (err == -EIO) | |
1463 | return; | |
629263ac SC |
1464 | dev_info(&adapter->pdev->dev, "0x%x ", val); |
1465 | } | |
1466 | dev_info(&adapter->pdev->dev, "\n"); | |
1467 | } | |
1468 | ||
1469 | for (j = 0; j < 2; j++) { | |
1470 | if (j == 0) { | |
1471 | dev_info(&adapter->pdev->dev, | |
1472 | "Port 0 RxB TC Max Cell Registers[4..1]:"); | |
1473 | reg = QLC_83XX_PORT0_TC_MC_REG; | |
1474 | } else if (j == 1) { | |
1475 | dev_info(&adapter->pdev->dev, | |
1476 | "Port 1 RxB TC Max Cell Registers[4..1]:"); | |
1477 | reg = QLC_83XX_PORT1_TC_MC_REG; | |
1478 | } | |
1479 | for (i = 0; i < 4; i++) { | |
4bd8e738 HM |
1480 | val = QLCRD32(adapter, reg + (i * 0x4), &err); |
1481 | if (err == -EIO) | |
1482 | return; | |
1483 | dev_info(&adapter->pdev->dev, "0x%x ", val); | |
629263ac SC |
1484 | } |
1485 | dev_info(&adapter->pdev->dev, "\n"); | |
1486 | } | |
1487 | ||
1488 | for (j = 0; j < 2; j++) { | |
1489 | if (j == 0) { | |
1490 | dev_info(&adapter->pdev->dev, | |
1491 | "Port 0 RxB Rx TC Stats[TC7..TC0]:"); | |
1492 | reg = QLC_83XX_PORT0_TC_STATS; | |
1493 | } else if (j == 1) { | |
1494 | dev_info(&adapter->pdev->dev, | |
1495 | "Port 1 RxB Rx TC Stats[TC7..TC0]:"); | |
1496 | reg = QLC_83XX_PORT1_TC_STATS; | |
1497 | } | |
1498 | for (i = 7; i >= 0; i--) { | |
4bd8e738 HM |
1499 | val = QLCRD32(adapter, reg, &err); |
1500 | if (err == -EIO) | |
1501 | return; | |
629263ac SC |
1502 | val &= ~(0x7 << 29); /* Reset bits 29 to 31 */ |
1503 | QLCWR32(adapter, reg, (val | (i << 29))); | |
4bd8e738 HM |
1504 | val = QLCRD32(adapter, reg, &err); |
1505 | if (err == -EIO) | |
1506 | return; | |
629263ac SC |
1507 | dev_info(&adapter->pdev->dev, "0x%x ", val); |
1508 | } | |
1509 | dev_info(&adapter->pdev->dev, "\n"); | |
1510 | } | |
1511 | ||
4bd8e738 HM |
1512 | val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, &err); |
1513 | if (err == -EIO) | |
1514 | return; | |
1515 | val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, &err); | |
1516 | if (err == -EIO) | |
1517 | return; | |
629263ac SC |
1518 | dev_info(&adapter->pdev->dev, |
1519 | "IFB-Pause Thresholds: Port 2:0x%x, Port 3:0x%x\n", | |
1520 | val, val1); | |
1521 | } | |
1522 | ||
81d0aeb0 | 1523 | |
629263ac SC |
1524 | static void qlcnic_83xx_disable_pause_frames(struct qlcnic_adapter *adapter) |
1525 | { | |
1526 | u32 reg = 0, i, j; | |
1527 | ||
1528 | if (qlcnic_83xx_lock_driver(adapter)) { | |
1529 | dev_err(&adapter->pdev->dev, | |
1530 | "%s:failed to acquire driver lock\n", __func__); | |
1531 | return; | |
1532 | } | |
1533 | ||
1534 | qlcnic_83xx_dump_pause_control_regs(adapter); | |
1535 | QLCWR32(adapter, QLC_83XX_SRE_SHIM_REG, 0x0); | |
1536 | ||
1537 | for (j = 0; j < 2; j++) { | |
1538 | if (j == 0) | |
1539 | reg = QLC_83XX_PORT0_THRESHOLD; | |
1540 | else if (j == 1) | |
1541 | reg = QLC_83XX_PORT1_THRESHOLD; | |
1542 | ||
1543 | for (i = 0; i < 8; i++) | |
1544 | QLCWR32(adapter, reg + (i * 0x4), 0x0); | |
1545 | } | |
1546 | ||
1547 | for (j = 0; j < 2; j++) { | |
1548 | if (j == 0) | |
1549 | reg = QLC_83XX_PORT0_TC_MC_REG; | |
1550 | else if (j == 1) | |
1551 | reg = QLC_83XX_PORT1_TC_MC_REG; | |
1552 | ||
1553 | for (i = 0; i < 4; i++) | |
1554 | QLCWR32(adapter, reg + (i * 0x4), 0x03FF03FF); | |
1555 | } | |
1556 | ||
1557 | QLCWR32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, 0); | |
1558 | QLCWR32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, 0); | |
1559 | dev_info(&adapter->pdev->dev, | |
1560 | "Disabled pause frames successfully on all ports\n"); | |
1561 | qlcnic_83xx_unlock_driver(adapter); | |
1562 | } | |
1563 | ||
c0d79cd0 MC |
1564 | static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) |
1565 | { | |
1566 | QLCWR32(adapter, QLC_83XX_RESET_REG, 0); | |
1567 | QLCWR32(adapter, QLC_83XX_RESET_PORT0, 0); | |
1568 | QLCWR32(adapter, QLC_83XX_RESET_PORT1, 0); | |
1569 | QLCWR32(adapter, QLC_83XX_RESET_PORT2, 0); | |
1570 | QLCWR32(adapter, QLC_83XX_RESET_PORT3, 0); | |
1571 | QLCWR32(adapter, QLC_83XX_RESET_SRESHIM, 0); | |
1572 | QLCWR32(adapter, QLC_83XX_RESET_EPGSHIM, 0); | |
1573 | QLCWR32(adapter, QLC_83XX_RESET_ETHERPCS, 0); | |
1574 | QLCWR32(adapter, QLC_83XX_RESET_CONTROL, 1); | |
1575 | } | |
1576 | ||
629263ac SC |
1577 | static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) |
1578 | { | |
1579 | u32 heartbeat, peg_status; | |
4bd8e738 | 1580 | int retries, ret = -EIO, err = 0; |
629263ac SC |
1581 | |
1582 | retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; | |
1583 | p_dev->heartbeat = QLC_SHARED_REG_RD32(p_dev, | |
1584 | QLCNIC_PEG_ALIVE_COUNTER); | |
1585 | ||
1586 | do { | |
1587 | msleep(QLCNIC_HEARTBEAT_PERIOD_MSECS); | |
1588 | heartbeat = QLC_SHARED_REG_RD32(p_dev, | |
1589 | QLCNIC_PEG_ALIVE_COUNTER); | |
1590 | if (heartbeat != p_dev->heartbeat) { | |
1591 | ret = QLCNIC_RCODE_SUCCESS; | |
1592 | break; | |
1593 | } | |
1594 | } while (--retries); | |
1595 | ||
1596 | if (ret) { | |
1597 | dev_err(&p_dev->pdev->dev, "firmware hang detected\n"); | |
c0d79cd0 | 1598 | qlcnic_83xx_take_eport_out_of_reset(p_dev); |
629263ac SC |
1599 | qlcnic_83xx_disable_pause_frames(p_dev); |
1600 | peg_status = QLC_SHARED_REG_RD32(p_dev, | |
1601 | QLCNIC_PEG_HALT_STATUS1); | |
1602 | dev_info(&p_dev->pdev->dev, "Dumping HW/FW registers\n" | |
1603 | "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" | |
1604 | "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" | |
1605 | "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" | |
1606 | "PEG_NET_4_PC: 0x%x\n", peg_status, | |
1607 | QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS2), | |
4bd8e738 HM |
1608 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0, &err), |
1609 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1, &err), | |
1610 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2, &err), | |
1611 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3, &err), | |
1612 | QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4, &err)); | |
629263ac SC |
1613 | |
1614 | if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) | |
1615 | dev_err(&p_dev->pdev->dev, | |
1616 | "Device is being reset err code 0x00006700.\n"); | |
1617 | } | |
1618 | ||
1619 | return ret; | |
1620 | } | |
1621 | ||
1622 | static int qlcnic_83xx_check_cmd_peg_status(struct qlcnic_adapter *p_dev) | |
1623 | { | |
1624 | int retries = QLCNIC_CMDPEG_CHECK_RETRY_COUNT; | |
1625 | u32 val; | |
1626 | ||
1627 | do { | |
1628 | val = QLC_SHARED_REG_RD32(p_dev, QLCNIC_CMDPEG_STATE); | |
1629 | if (val == QLC_83XX_CMDPEG_COMPLETE) | |
1630 | return 0; | |
1631 | msleep(QLCNIC_CMDPEG_CHECK_DELAY); | |
1632 | } while (--retries); | |
1633 | ||
1634 | dev_err(&p_dev->pdev->dev, "%s: failed, state = 0x%x\n", __func__, val); | |
1635 | return -EIO; | |
1636 | } | |
1637 | ||
21041400 | 1638 | static int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) |
629263ac SC |
1639 | { |
1640 | int err; | |
1641 | ||
1642 | err = qlcnic_83xx_check_cmd_peg_status(p_dev); | |
1643 | if (err) | |
1644 | return err; | |
1645 | ||
1646 | err = qlcnic_83xx_check_heartbeat(p_dev); | |
1647 | if (err) | |
1648 | return err; | |
1649 | ||
1650 | return err; | |
1651 | } | |
1652 | ||
81d0aeb0 SC |
1653 | static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, |
1654 | int duration, u32 mask, u32 status) | |
1655 | { | |
4bd8e738 | 1656 | int timeout_error, err = 0; |
81d0aeb0 | 1657 | u32 value; |
81d0aeb0 SC |
1658 | u8 retries; |
1659 | ||
4bd8e738 HM |
1660 | value = QLCRD32(p_dev, addr, &err); |
1661 | if (err == -EIO) | |
1662 | return err; | |
81d0aeb0 SC |
1663 | retries = duration / 10; |
1664 | ||
1665 | do { | |
1666 | if ((value & mask) != status) { | |
1667 | timeout_error = 1; | |
1668 | msleep(duration / 10); | |
4bd8e738 HM |
1669 | value = QLCRD32(p_dev, addr, &err); |
1670 | if (err == -EIO) | |
1671 | return err; | |
81d0aeb0 SC |
1672 | } else { |
1673 | timeout_error = 0; | |
1674 | break; | |
1675 | } | |
1676 | } while (retries--); | |
1677 | ||
1678 | if (timeout_error) { | |
1679 | p_dev->ahw->reset.seq_error++; | |
1680 | dev_err(&p_dev->pdev->dev, | |
1681 | "%s: Timeout Err, entry_num = %d\n", | |
1682 | __func__, p_dev->ahw->reset.seq_index); | |
1683 | dev_err(&p_dev->pdev->dev, | |
1684 | "0x%08x 0x%08x 0x%08x\n", | |
1685 | value, mask, status); | |
1686 | } | |
1687 | ||
1688 | return timeout_error; | |
1689 | } | |
1690 | ||
1691 | static int qlcnic_83xx_reset_template_checksum(struct qlcnic_adapter *p_dev) | |
1692 | { | |
1693 | u32 sum = 0; | |
1694 | u16 *buff = (u16 *)p_dev->ahw->reset.buff; | |
1695 | int count = p_dev->ahw->reset.hdr->size / sizeof(u16); | |
1696 | ||
1697 | while (count-- > 0) | |
1698 | sum += *buff++; | |
1699 | ||
1700 | while (sum >> 16) | |
1701 | sum = (sum & 0xFFFF) + (sum >> 16); | |
1702 | ||
1703 | if (~sum) { | |
1704 | return 0; | |
1705 | } else { | |
1706 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
1707 | return -1; | |
1708 | } | |
1709 | } | |
1710 | ||
21041400 | 1711 | static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) |
81d0aeb0 | 1712 | { |
81d0aeb0 | 1713 | struct qlcnic_hardware_context *ahw = p_dev->ahw; |
486a5bc7 RB |
1714 | u32 addr, count, prev_ver, curr_ver; |
1715 | u8 *p_buff; | |
1716 | ||
1717 | if (ahw->reset.buff != NULL) { | |
1718 | prev_ver = p_dev->fw_version; | |
1719 | curr_ver = qlcnic_83xx_get_fw_version(p_dev); | |
1720 | if (curr_ver > prev_ver) | |
1721 | kfree(ahw->reset.buff); | |
1722 | else | |
1723 | return 0; | |
1724 | } | |
81d0aeb0 SC |
1725 | |
1726 | ahw->reset.seq_error = 0; | |
1727 | ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL); | |
b2adaca9 | 1728 | if (p_dev->ahw->reset.buff == NULL) |
81d0aeb0 | 1729 | return -ENOMEM; |
b2adaca9 | 1730 | |
81d0aeb0 SC |
1731 | p_buff = p_dev->ahw->reset.buff; |
1732 | addr = QLC_83XX_RESET_TEMPLATE_ADDR; | |
1733 | count = sizeof(struct qlc_83xx_reset_hdr) / sizeof(u32); | |
1734 | ||
1735 | /* Copy template header from flash */ | |
1736 | if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { | |
1737 | dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); | |
1738 | return -EIO; | |
1739 | } | |
1740 | ahw->reset.hdr = (struct qlc_83xx_reset_hdr *)ahw->reset.buff; | |
1741 | addr = QLC_83XX_RESET_TEMPLATE_ADDR + ahw->reset.hdr->hdr_size; | |
1742 | p_buff = ahw->reset.buff + ahw->reset.hdr->hdr_size; | |
1743 | count = (ahw->reset.hdr->size - ahw->reset.hdr->hdr_size) / sizeof(u32); | |
1744 | ||
1745 | /* Copy rest of the template */ | |
1746 | if (qlcnic_83xx_flash_read32(p_dev, addr, p_buff, count)) { | |
1747 | dev_err(&p_dev->pdev->dev, "%s: flash read failed\n", __func__); | |
1748 | return -EIO; | |
1749 | } | |
1750 | ||
1751 | if (qlcnic_83xx_reset_template_checksum(p_dev)) | |
1752 | return -EIO; | |
1753 | /* Get Stop, Start and Init command offsets */ | |
1754 | ahw->reset.init_offset = ahw->reset.buff + ahw->reset.hdr->init_offset; | |
1755 | ahw->reset.start_offset = ahw->reset.buff + | |
1756 | ahw->reset.hdr->start_offset; | |
1757 | ahw->reset.stop_offset = ahw->reset.buff + ahw->reset.hdr->hdr_size; | |
1758 | return 0; | |
1759 | } | |
1760 | ||
1761 | /* Read Write HW register command */ | |
1762 | static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, | |
1763 | u32 raddr, u32 waddr) | |
1764 | { | |
4bd8e738 HM |
1765 | int err = 0; |
1766 | u32 value; | |
81d0aeb0 | 1767 | |
4bd8e738 HM |
1768 | value = QLCRD32(p_dev, raddr, &err); |
1769 | if (err == -EIO) | |
1770 | return; | |
81d0aeb0 SC |
1771 | qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); |
1772 | } | |
1773 | ||
1774 | /* Read Modify Write HW register command */ | |
1775 | static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, | |
1776 | u32 raddr, u32 waddr, | |
1777 | struct qlc_83xx_rmw *p_rmw_hdr) | |
1778 | { | |
4bd8e738 HM |
1779 | int err = 0; |
1780 | u32 value; | |
81d0aeb0 | 1781 | |
4bd8e738 | 1782 | if (p_rmw_hdr->index_a) { |
81d0aeb0 | 1783 | value = p_dev->ahw->reset.array[p_rmw_hdr->index_a]; |
4bd8e738 HM |
1784 | } else { |
1785 | value = QLCRD32(p_dev, raddr, &err); | |
1786 | if (err == -EIO) | |
1787 | return; | |
1788 | } | |
81d0aeb0 SC |
1789 | |
1790 | value &= p_rmw_hdr->mask; | |
1791 | value <<= p_rmw_hdr->shl; | |
1792 | value >>= p_rmw_hdr->shr; | |
1793 | value |= p_rmw_hdr->or_value; | |
1794 | value ^= p_rmw_hdr->xor_value; | |
1795 | qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); | |
1796 | } | |
1797 | ||
1798 | /* Write HW register command */ | |
1799 | static void qlcnic_83xx_write_list(struct qlcnic_adapter *p_dev, | |
1800 | struct qlc_83xx_entry_hdr *p_hdr) | |
1801 | { | |
1802 | int i; | |
1803 | struct qlc_83xx_entry *entry; | |
1804 | ||
1805 | entry = (struct qlc_83xx_entry *)((char *)p_hdr + | |
1806 | sizeof(struct qlc_83xx_entry_hdr)); | |
1807 | ||
1808 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1809 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->arg1, | |
1810 | entry->arg2); | |
1811 | if (p_hdr->delay) | |
1812 | udelay((u32)(p_hdr->delay)); | |
1813 | } | |
1814 | } | |
1815 | ||
1816 | /* Read and Write instruction */ | |
1817 | static void qlcnic_83xx_read_write_list(struct qlcnic_adapter *p_dev, | |
1818 | struct qlc_83xx_entry_hdr *p_hdr) | |
1819 | { | |
1820 | int i; | |
1821 | struct qlc_83xx_entry *entry; | |
1822 | ||
1823 | entry = (struct qlc_83xx_entry *)((char *)p_hdr + | |
1824 | sizeof(struct qlc_83xx_entry_hdr)); | |
1825 | ||
1826 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1827 | qlcnic_83xx_read_write_crb_reg(p_dev, entry->arg1, | |
1828 | entry->arg2); | |
1829 | if (p_hdr->delay) | |
1830 | udelay((u32)(p_hdr->delay)); | |
1831 | } | |
1832 | } | |
1833 | ||
1834 | /* Poll HW register command */ | |
1835 | static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, | |
1836 | struct qlc_83xx_entry_hdr *p_hdr) | |
1837 | { | |
1838 | long delay; | |
1839 | struct qlc_83xx_entry *entry; | |
1840 | struct qlc_83xx_poll *poll; | |
4bd8e738 | 1841 | int i, err = 0; |
81d0aeb0 SC |
1842 | unsigned long arg1, arg2; |
1843 | ||
1844 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1845 | sizeof(struct qlc_83xx_entry_hdr)); | |
1846 | ||
1847 | entry = (struct qlc_83xx_entry *)((char *)poll + | |
1848 | sizeof(struct qlc_83xx_poll)); | |
1849 | delay = (long)p_hdr->delay; | |
1850 | ||
1851 | if (!delay) { | |
1852 | for (i = 0; i < p_hdr->count; i++, entry++) | |
1853 | qlcnic_83xx_poll_reg(p_dev, entry->arg1, | |
1854 | delay, poll->mask, | |
1855 | poll->status); | |
1856 | } else { | |
1857 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1858 | arg1 = entry->arg1; | |
1859 | arg2 = entry->arg2; | |
1860 | if (delay) { | |
1861 | if (qlcnic_83xx_poll_reg(p_dev, | |
1862 | arg1, delay, | |
1863 | poll->mask, | |
1864 | poll->status)){ | |
4bd8e738 HM |
1865 | QLCRD32(p_dev, arg1, &err); |
1866 | if (err == -EIO) | |
1867 | return; | |
1868 | QLCRD32(p_dev, arg2, &err); | |
1869 | if (err == -EIO) | |
1870 | return; | |
81d0aeb0 SC |
1871 | } |
1872 | } | |
1873 | } | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | /* Poll and write HW register command */ | |
1878 | static void qlcnic_83xx_poll_write_list(struct qlcnic_adapter *p_dev, | |
1879 | struct qlc_83xx_entry_hdr *p_hdr) | |
1880 | { | |
1881 | int i; | |
1882 | long delay; | |
1883 | struct qlc_83xx_quad_entry *entry; | |
1884 | struct qlc_83xx_poll *poll; | |
1885 | ||
1886 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1887 | sizeof(struct qlc_83xx_entry_hdr)); | |
1888 | entry = (struct qlc_83xx_quad_entry *)((char *)poll + | |
1889 | sizeof(struct qlc_83xx_poll)); | |
1890 | delay = (long)p_hdr->delay; | |
1891 | ||
1892 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1893 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->dr_addr, | |
1894 | entry->dr_value); | |
1895 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, | |
1896 | entry->ar_value); | |
1897 | if (delay) | |
1898 | qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, | |
1899 | poll->mask, poll->status); | |
1900 | } | |
1901 | } | |
1902 | ||
1903 | /* Read Modify Write register command */ | |
1904 | static void qlcnic_83xx_read_modify_write(struct qlcnic_adapter *p_dev, | |
1905 | struct qlc_83xx_entry_hdr *p_hdr) | |
1906 | { | |
1907 | int i; | |
1908 | struct qlc_83xx_entry *entry; | |
1909 | struct qlc_83xx_rmw *rmw_hdr; | |
1910 | ||
1911 | rmw_hdr = (struct qlc_83xx_rmw *)((char *)p_hdr + | |
1912 | sizeof(struct qlc_83xx_entry_hdr)); | |
1913 | ||
1914 | entry = (struct qlc_83xx_entry *)((char *)rmw_hdr + | |
1915 | sizeof(struct qlc_83xx_rmw)); | |
1916 | ||
1917 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1918 | qlcnic_83xx_rmw_crb_reg(p_dev, entry->arg1, | |
1919 | entry->arg2, rmw_hdr); | |
1920 | if (p_hdr->delay) | |
1921 | udelay((u32)(p_hdr->delay)); | |
1922 | } | |
1923 | } | |
1924 | ||
1925 | static void qlcnic_83xx_pause(struct qlc_83xx_entry_hdr *p_hdr) | |
1926 | { | |
1927 | if (p_hdr->delay) | |
1928 | mdelay((u32)((long)p_hdr->delay)); | |
1929 | } | |
1930 | ||
1931 | /* Read and poll register command */ | |
1932 | static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, | |
1933 | struct qlc_83xx_entry_hdr *p_hdr) | |
1934 | { | |
1935 | long delay; | |
4bd8e738 | 1936 | int index, i, j, err; |
81d0aeb0 SC |
1937 | struct qlc_83xx_quad_entry *entry; |
1938 | struct qlc_83xx_poll *poll; | |
1939 | unsigned long addr; | |
1940 | ||
1941 | poll = (struct qlc_83xx_poll *)((char *)p_hdr + | |
1942 | sizeof(struct qlc_83xx_entry_hdr)); | |
1943 | ||
1944 | entry = (struct qlc_83xx_quad_entry *)((char *)poll + | |
1945 | sizeof(struct qlc_83xx_poll)); | |
1946 | delay = (long)p_hdr->delay; | |
1947 | ||
1948 | for (i = 0; i < p_hdr->count; i++, entry++) { | |
1949 | qlcnic_83xx_wrt_reg_indirect(p_dev, entry->ar_addr, | |
1950 | entry->ar_value); | |
1951 | if (delay) { | |
1952 | if (!qlcnic_83xx_poll_reg(p_dev, entry->ar_addr, delay, | |
1953 | poll->mask, poll->status)){ | |
1954 | index = p_dev->ahw->reset.array_index; | |
1955 | addr = entry->dr_addr; | |
4bd8e738 HM |
1956 | j = QLCRD32(p_dev, addr, &err); |
1957 | if (err == -EIO) | |
1958 | return; | |
1959 | ||
81d0aeb0 SC |
1960 | p_dev->ahw->reset.array[index++] = j; |
1961 | ||
1962 | if (index == QLC_83XX_MAX_RESET_SEQ_ENTRIES) | |
1963 | p_dev->ahw->reset.array_index = 1; | |
1964 | } | |
1965 | } | |
1966 | } | |
1967 | } | |
1968 | ||
1969 | static inline void qlcnic_83xx_seq_end(struct qlcnic_adapter *p_dev) | |
1970 | { | |
1971 | p_dev->ahw->reset.seq_end = 1; | |
1972 | } | |
1973 | ||
1974 | static void qlcnic_83xx_template_end(struct qlcnic_adapter *p_dev) | |
1975 | { | |
1976 | p_dev->ahw->reset.template_end = 1; | |
1977 | if (p_dev->ahw->reset.seq_error == 0) | |
1978 | dev_err(&p_dev->pdev->dev, | |
1979 | "HW restart process completed successfully.\n"); | |
1980 | else | |
1981 | dev_err(&p_dev->pdev->dev, | |
1982 | "HW restart completed with timeout errors.\n"); | |
1983 | } | |
1984 | ||
1985 | /** | |
1986 | * qlcnic_83xx_exec_template_cmd | |
1987 | * | |
1988 | * @p_dev: adapter structure | |
1989 | * @p_buff: Poiter to instruction template | |
1990 | * | |
1991 | * Template provides instructions to stop, restart and initalize firmware. | |
1992 | * These instructions are abstracted as a series of read, write and | |
1993 | * poll operations on hardware registers. Register information and operation | |
1994 | * specifics are not exposed to the driver. Driver reads the template from | |
1995 | * flash and executes the instructions located at pre-defined offsets. | |
1996 | * | |
1997 | * Returns: None | |
1998 | * */ | |
1999 | static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev, | |
2000 | char *p_buff) | |
2001 | { | |
2002 | int index, entries; | |
2003 | struct qlc_83xx_entry_hdr *p_hdr; | |
2004 | char *entry = p_buff; | |
2005 | ||
2006 | p_dev->ahw->reset.seq_end = 0; | |
2007 | p_dev->ahw->reset.template_end = 0; | |
2008 | entries = p_dev->ahw->reset.hdr->entries; | |
2009 | index = p_dev->ahw->reset.seq_index; | |
2010 | ||
2011 | for (; (!p_dev->ahw->reset.seq_end) && (index < entries); index++) { | |
2012 | p_hdr = (struct qlc_83xx_entry_hdr *)entry; | |
2013 | ||
2014 | switch (p_hdr->cmd) { | |
2015 | case QLC_83XX_OPCODE_NOP: | |
2016 | break; | |
2017 | case QLC_83XX_OPCODE_WRITE_LIST: | |
2018 | qlcnic_83xx_write_list(p_dev, p_hdr); | |
2019 | break; | |
2020 | case QLC_83XX_OPCODE_READ_WRITE_LIST: | |
2021 | qlcnic_83xx_read_write_list(p_dev, p_hdr); | |
2022 | break; | |
2023 | case QLC_83XX_OPCODE_POLL_LIST: | |
2024 | qlcnic_83xx_poll_list(p_dev, p_hdr); | |
2025 | break; | |
2026 | case QLC_83XX_OPCODE_POLL_WRITE_LIST: | |
2027 | qlcnic_83xx_poll_write_list(p_dev, p_hdr); | |
2028 | break; | |
2029 | case QLC_83XX_OPCODE_READ_MODIFY_WRITE: | |
2030 | qlcnic_83xx_read_modify_write(p_dev, p_hdr); | |
2031 | break; | |
2032 | case QLC_83XX_OPCODE_SEQ_PAUSE: | |
2033 | qlcnic_83xx_pause(p_hdr); | |
2034 | break; | |
2035 | case QLC_83XX_OPCODE_SEQ_END: | |
2036 | qlcnic_83xx_seq_end(p_dev); | |
2037 | break; | |
2038 | case QLC_83XX_OPCODE_TMPL_END: | |
2039 | qlcnic_83xx_template_end(p_dev); | |
2040 | break; | |
2041 | case QLC_83XX_OPCODE_POLL_READ_LIST: | |
2042 | qlcnic_83xx_poll_read_list(p_dev, p_hdr); | |
2043 | break; | |
2044 | default: | |
2045 | dev_err(&p_dev->pdev->dev, | |
2046 | "%s: Unknown opcode 0x%04x in template %d\n", | |
2047 | __func__, p_hdr->cmd, index); | |
2048 | break; | |
2049 | } | |
2050 | entry += p_hdr->size; | |
2051 | } | |
2052 | p_dev->ahw->reset.seq_index = index; | |
2053 | } | |
2054 | ||
21041400 | 2055 | static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev) |
81d0aeb0 SC |
2056 | { |
2057 | p_dev->ahw->reset.seq_index = 0; | |
2058 | ||
2059 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.stop_offset); | |
2060 | if (p_dev->ahw->reset.seq_end != 1) | |
2061 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
2062 | } | |
2063 | ||
2064 | static void qlcnic_83xx_start_hw(struct qlcnic_adapter *p_dev) | |
2065 | { | |
2066 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.start_offset); | |
2067 | if (p_dev->ahw->reset.template_end != 1) | |
2068 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
2069 | } | |
2070 | ||
2071 | static void qlcnic_83xx_init_hw(struct qlcnic_adapter *p_dev) | |
2072 | { | |
2073 | qlcnic_83xx_exec_template_cmd(p_dev, p_dev->ahw->reset.init_offset); | |
2074 | if (p_dev->ahw->reset.seq_end != 1) | |
2075 | dev_err(&p_dev->pdev->dev, "%s: failed\n", __func__); | |
2076 | } | |
2077 | ||
629263ac SC |
2078 | static int qlcnic_83xx_load_fw_image_from_host(struct qlcnic_adapter *adapter) |
2079 | { | |
7000078a | 2080 | struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; |
629263ac SC |
2081 | int err = -EIO; |
2082 | ||
7000078a | 2083 | if (request_firmware(&fw_info->fw, fw_info->fw_file_name, |
fef349ce | 2084 | &(adapter->pdev->dev))) { |
629263ac SC |
2085 | dev_err(&adapter->pdev->dev, |
2086 | "No file FW image, loading flash FW image.\n"); | |
2087 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
2088 | QLC_83XX_BOOT_FROM_FLASH); | |
2089 | } else { | |
2090 | if (qlcnic_83xx_copy_fw_file(adapter)) | |
2091 | return err; | |
2092 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
2093 | QLC_83XX_BOOT_FROM_FILE); | |
2094 | } | |
2095 | ||
2096 | return 0; | |
2097 | } | |
2098 | ||
2099 | static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter) | |
2100 | { | |
4e60ac46 | 2101 | u32 val; |
629263ac SC |
2102 | int err = -EIO; |
2103 | ||
81d0aeb0 | 2104 | qlcnic_83xx_stop_hw(adapter); |
4e60ac46 SC |
2105 | |
2106 | /* Collect FW register dump if required */ | |
2107 | val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL); | |
2108 | if (!(val & QLC_83XX_IDC_GRACEFULL_RESET)) | |
2109 | qlcnic_dump_fw(adapter); | |
30fa15f6 MC |
2110 | |
2111 | if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) { | |
2112 | netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n", | |
2113 | __func__); | |
2114 | qlcnic_83xx_idc_enter_failed_state(adapter, 1); | |
2115 | return err; | |
2116 | } | |
2117 | ||
81d0aeb0 SC |
2118 | qlcnic_83xx_init_hw(adapter); |
2119 | ||
629263ac SC |
2120 | if (qlcnic_83xx_copy_bootloader(adapter)) |
2121 | return err; | |
2122 | /* Boot either flash image or firmware image from host file system */ | |
2123 | if (qlcnic_load_fw_file) { | |
2124 | if (qlcnic_83xx_load_fw_image_from_host(adapter)) | |
2125 | return err; | |
2126 | } else { | |
2127 | QLC_SHARED_REG_WR32(adapter, QLCNIC_FW_IMG_VALID, | |
2128 | QLC_83XX_BOOT_FROM_FLASH); | |
2129 | } | |
2130 | ||
81d0aeb0 | 2131 | qlcnic_83xx_start_hw(adapter); |
629263ac SC |
2132 | if (qlcnic_83xx_check_hw_status(adapter)) |
2133 | return -EIO; | |
2134 | ||
2135 | return 0; | |
2136 | } | |
2137 | ||
21041400 | 2138 | static int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter) |
629263ac SC |
2139 | { |
2140 | int err; | |
2141 | struct qlcnic_info nic_info; | |
2142 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2143 | ||
2144 | memset(&nic_info, 0, sizeof(struct qlcnic_info)); | |
2145 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); | |
2146 | if (err) | |
2147 | return -EIO; | |
2148 | ||
2149 | ahw->physical_port = (u8) nic_info.phys_port; | |
2150 | ahw->switch_mode = nic_info.switch_mode; | |
2151 | ahw->max_tx_ques = nic_info.max_tx_ques; | |
2152 | ahw->max_rx_ques = nic_info.max_rx_ques; | |
2153 | ahw->capabilities = nic_info.capabilities; | |
2154 | ahw->max_mac_filters = nic_info.max_mac_filters; | |
2155 | ahw->max_mtu = nic_info.max_mtu; | |
2156 | ||
35dafcb0 SC |
2157 | /* eSwitch capability indicates vNIC mode. |
2158 | * vNIC and SRIOV are mutually exclusive operational modes. | |
2159 | * If SR-IOV capability is detected, SR-IOV physical function | |
2160 | * will get initialized in default mode. | |
2161 | * SR-IOV virtual function initialization follows a | |
2162 | * different code path and opmode. | |
2163 | * SRIOV mode has precedence over vNIC mode. | |
02feda17 | 2164 | */ |
35dafcb0 SC |
2165 | if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state)) |
2166 | return QLC_83XX_DEFAULT_OPMODE; | |
02feda17 | 2167 | |
35dafcb0 | 2168 | if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) |
34e8c406 | 2169 | return QLCNIC_VNIC_MODE; |
629263ac | 2170 | |
35dafcb0 | 2171 | return QLC_83XX_DEFAULT_OPMODE; |
629263ac SC |
2172 | } |
2173 | ||
02feda17 | 2174 | int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) |
629263ac | 2175 | { |
35dafcb0 | 2176 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
7b546842 | 2177 | u16 max_sds_rings, max_tx_rings; |
629263ac SC |
2178 | int ret; |
2179 | ||
2180 | ret = qlcnic_83xx_get_nic_configuration(adapter); | |
2181 | if (ret == -EIO) | |
2182 | return -EIO; | |
2183 | ||
34e8c406 HM |
2184 | if (ret == QLCNIC_VNIC_MODE) { |
2185 | ahw->nic_mode = QLCNIC_VNIC_MODE; | |
2186 | ||
d71170fb SC |
2187 | if (qlcnic_83xx_config_vnic_opmode(adapter)) |
2188 | return -EIO; | |
35dafcb0 | 2189 | |
7b546842 SS |
2190 | max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; |
2191 | max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS; | |
35dafcb0 | 2192 | } else if (ret == QLC_83XX_DEFAULT_OPMODE) { |
34e8c406 | 2193 | ahw->nic_mode = QLCNIC_DEFAULT_MODE; |
35dafcb0 SC |
2194 | adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; |
2195 | ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; | |
7b546842 SS |
2196 | max_sds_rings = QLCNIC_MAX_SDS_RINGS; |
2197 | max_tx_rings = QLCNIC_MAX_TX_RINGS; | |
35dafcb0 | 2198 | } else { |
c65762fc SC |
2199 | dev_err(&adapter->pdev->dev, "%s: Invalid opmode %d\n", |
2200 | __func__, ret); | |
35dafcb0 | 2201 | return -EIO; |
629263ac SC |
2202 | } |
2203 | ||
7b546842 SS |
2204 | adapter->max_sds_rings = min(ahw->max_rx_ques, max_sds_rings); |
2205 | adapter->max_tx_rings = min(ahw->max_tx_ques, max_tx_rings); | |
2206 | ||
629263ac SC |
2207 | return 0; |
2208 | } | |
2209 | ||
2210 | static void qlcnic_83xx_config_buff_descriptors(struct qlcnic_adapter *adapter) | |
2211 | { | |
2212 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2213 | ||
2214 | if (ahw->port_type == QLCNIC_XGBE) { | |
2215 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; | |
2216 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; | |
2217 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
2218 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; | |
2219 | ||
2220 | } else if (ahw->port_type == QLCNIC_GBE) { | |
2221 | adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; | |
2222 | adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
2223 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; | |
2224 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; | |
2225 | } | |
2226 | adapter->num_txd = MAX_CMD_DESCRIPTORS; | |
2227 | adapter->max_rds_rings = MAX_RDS_RINGS; | |
2228 | } | |
2229 | ||
2230 | static int qlcnic_83xx_init_default_driver(struct qlcnic_adapter *adapter) | |
2231 | { | |
2232 | int err = -EIO; | |
2233 | ||
4e60ac46 | 2234 | qlcnic_83xx_get_minidump_template(adapter); |
629263ac SC |
2235 | if (qlcnic_83xx_get_port_info(adapter)) |
2236 | return err; | |
2237 | ||
2238 | qlcnic_83xx_config_buff_descriptors(adapter); | |
2239 | adapter->ahw->msix_supported = !!qlcnic_use_msi_x; | |
2240 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; | |
2241 | ||
2242 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", | |
2243 | adapter->ahw->fw_hal_version); | |
2244 | ||
2245 | return 0; | |
2246 | } | |
2247 | ||
2248 | #define IS_QLC_83XX_USED(a, b, c) (((1 << a->portnum) & b) || ((c >> 6) & 0x1)) | |
2249 | static void qlcnic_83xx_clear_function_resources(struct qlcnic_adapter *adapter) | |
2250 | { | |
2251 | struct qlcnic_cmd_args cmd; | |
2252 | u32 presence_mask, audit_mask; | |
2253 | int status; | |
2254 | ||
2255 | presence_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); | |
2256 | audit_mask = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_AUDIT); | |
2257 | ||
2258 | if (IS_QLC_83XX_USED(adapter, presence_mask, audit_mask)) { | |
b6b4316c SS |
2259 | status = qlcnic_alloc_mbx_args(&cmd, adapter, |
2260 | QLCNIC_CMD_STOP_NIC_FUNC); | |
2261 | if (status) | |
2262 | return; | |
2263 | ||
629263ac SC |
2264 | cmd.req.arg[1] = BIT_31; |
2265 | status = qlcnic_issue_cmd(adapter, &cmd); | |
2266 | if (status) | |
2267 | dev_err(&adapter->pdev->dev, | |
2268 | "Failed to clean up the function resources\n"); | |
2269 | qlcnic_free_mbx_args(&cmd); | |
2270 | } | |
2271 | } | |
2272 | ||
7000078a PP |
2273 | static int qlcnic_83xx_get_fw_info(struct qlcnic_adapter *adapter) |
2274 | { | |
2275 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2276 | struct pci_dev *pdev = adapter->pdev; | |
2277 | struct qlc_83xx_fw_info *fw_info; | |
2278 | int err = 0; | |
2279 | ||
2280 | ahw->fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL); | |
2281 | if (!ahw->fw_info) { | |
2282 | err = -ENOMEM; | |
2283 | } else { | |
2284 | fw_info = ahw->fw_info; | |
2285 | switch (pdev->device) { | |
2286 | case PCI_DEVICE_ID_QLOGIC_QLE834X: | |
40e2b8ed | 2287 | case PCI_DEVICE_ID_QLOGIC_QLE8830: |
7000078a PP |
2288 | strncpy(fw_info->fw_file_name, QLC_83XX_FW_FILE_NAME, |
2289 | QLC_FW_FILE_NAME_LEN); | |
2290 | break; | |
2291 | case PCI_DEVICE_ID_QLOGIC_QLE844X: | |
2292 | strncpy(fw_info->fw_file_name, QLC_84XX_FW_FILE_NAME, | |
2293 | QLC_FW_FILE_NAME_LEN); | |
2294 | break; | |
2295 | default: | |
2296 | dev_err(&pdev->dev, "%s: Invalid device id\n", | |
2297 | __func__); | |
2298 | err = -EINVAL; | |
2299 | break; | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | return err; | |
2304 | } | |
2305 | ||
34e8c406 HM |
2306 | static void qlcnic_83xx_init_rings(struct qlcnic_adapter *adapter) |
2307 | { | |
18afc102 HM |
2308 | u8 rx_cnt = QLCNIC_DEF_SDS_RINGS; |
2309 | u8 tx_cnt = QLCNIC_DEF_TX_RINGS; | |
2310 | ||
34e8c406 HM |
2311 | adapter->max_tx_rings = QLCNIC_MAX_TX_RINGS; |
2312 | adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; | |
2313 | ||
18afc102 HM |
2314 | if (!adapter->ahw->msix_supported) { |
2315 | rx_cnt = QLCNIC_SINGLE_RING; | |
2316 | tx_cnt = QLCNIC_SINGLE_RING; | |
2317 | } | |
34e8c406 HM |
2318 | |
2319 | /* compute and set drv sds rings */ | |
18afc102 HM |
2320 | qlcnic_set_tx_ring_count(adapter, tx_cnt); |
2321 | qlcnic_set_sds_ring_count(adapter, rx_cnt); | |
34e8c406 | 2322 | } |
7000078a | 2323 | |
f8468331 | 2324 | int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
629263ac SC |
2325 | { |
2326 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
068a8d19 | 2327 | int err = 0; |
629263ac | 2328 | |
72ebe349 | 2329 | adapter->rx_mac_learn = false; |
068a8d19 | 2330 | ahw->msix_supported = !!qlcnic_use_msi_x; |
34e8c406 HM |
2331 | |
2332 | qlcnic_83xx_init_rings(adapter); | |
2333 | ||
068a8d19 MC |
2334 | err = qlcnic_83xx_init_mailbox_work(adapter); |
2335 | if (err) | |
2336 | goto exit; | |
f8468331 | 2337 | |
068a8d19 MC |
2338 | if (qlcnic_sriov_vf_check(adapter)) { |
2339 | err = qlcnic_sriov_vf_init(adapter, pci_using_dac); | |
2340 | if (err) | |
2341 | goto detach_mbx; | |
2342 | else | |
2343 | return err; | |
2344 | } | |
629263ac | 2345 | |
78ea2d97 SC |
2346 | if (qlcnic_83xx_read_flash_descriptor_table(adapter) || |
2347 | qlcnic_83xx_read_flash_mfg_id(adapter)) { | |
2348 | dev_err(&adapter->pdev->dev, "Failed reading flash mfg id\n"); | |
2349 | err = -ENOTRECOVERABLE; | |
2350 | goto detach_mbx; | |
2351 | } | |
2352 | ||
068a8d19 MC |
2353 | err = qlcnic_83xx_check_hw_status(adapter); |
2354 | if (err) | |
2355 | goto detach_mbx; | |
2356 | ||
7000078a | 2357 | err = qlcnic_83xx_get_fw_info(adapter); |
b5acb255 MC |
2358 | if (err) |
2359 | goto detach_mbx; | |
2360 | ||
7000078a PP |
2361 | err = qlcnic_83xx_idc_init(adapter); |
2362 | if (err) | |
78ea2d97 | 2363 | goto detach_mbx; |
7000078a | 2364 | |
34e8c406 | 2365 | err = qlcnic_setup_intr(adapter); |
068a8d19 MC |
2366 | if (err) { |
2367 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); | |
2368 | goto disable_intr; | |
2369 | } | |
2370 | ||
463518a0 SC |
2371 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
2372 | ||
068a8d19 MC |
2373 | err = qlcnic_83xx_setup_mbx_intr(adapter); |
2374 | if (err) | |
2375 | goto disable_mbx_intr; | |
629263ac | 2376 | |
629263ac | 2377 | qlcnic_83xx_clear_function_resources(adapter); |
4d52e1e8 | 2378 | qlcnic_dcb_enable(adapter->dcb); |
9b0fff2a | 2379 | qlcnic_83xx_initialize_nic(adapter, 1); |
4d52e1e8 | 2380 | qlcnic_dcb_get_info(adapter->dcb); |
d5fcff04 | 2381 | |
629263ac | 2382 | /* Configure default, SR-IOV or Virtual NIC mode of operation */ |
068a8d19 MC |
2383 | err = qlcnic_83xx_configure_opmode(adapter); |
2384 | if (err) | |
2385 | goto disable_mbx_intr; | |
629263ac | 2386 | |
34e8c406 | 2387 | |
629263ac | 2388 | /* Perform operating mode specific initialization */ |
068a8d19 MC |
2389 | err = adapter->nic_ops->init_driver(adapter); |
2390 | if (err) | |
2391 | goto disable_mbx_intr; | |
629263ac | 2392 | |
629263ac SC |
2393 | /* Periodically monitor device status */ |
2394 | qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); | |
068a8d19 | 2395 | return 0; |
629263ac | 2396 | |
068a8d19 MC |
2397 | disable_mbx_intr: |
2398 | qlcnic_83xx_free_mbx_intr(adapter); | |
2399 | ||
2400 | disable_intr: | |
2401 | qlcnic_teardown_intr(adapter); | |
2402 | ||
2403 | detach_mbx: | |
2404 | qlcnic_83xx_detach_mailbox_work(adapter); | |
2405 | qlcnic_83xx_free_mailbox(ahw->mailbox); | |
78ea2d97 | 2406 | ahw->mailbox = NULL; |
068a8d19 MC |
2407 | exit: |
2408 | return err; | |
629263ac | 2409 | } |
9ce226fa PP |
2410 | |
2411 | void qlcnic_83xx_aer_stop_poll_work(struct qlcnic_adapter *adapter) | |
2412 | { | |
2413 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2414 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2415 | ||
2416 | clear_bit(QLC_83XX_MBX_READY, &idc->status); | |
2417 | cancel_delayed_work_sync(&adapter->fw_work); | |
2418 | ||
34e8c406 | 2419 | if (ahw->nic_mode == QLCNIC_VNIC_MODE) |
9ce226fa PP |
2420 | qlcnic_83xx_disable_vnic_mode(adapter, 1); |
2421 | ||
2422 | qlcnic_83xx_idc_detach_driver(adapter); | |
9b0fff2a | 2423 | qlcnic_83xx_initialize_nic(adapter, 0); |
9ce226fa PP |
2424 | |
2425 | cancel_delayed_work_sync(&adapter->idc_aen_work); | |
2426 | } | |
2427 | ||
2428 | int qlcnic_83xx_aer_reset(struct qlcnic_adapter *adapter) | |
2429 | { | |
2430 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2431 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2432 | int ret = 0; | |
2433 | u32 owner; | |
2434 | ||
2435 | /* Mark the previous IDC state as NEED_RESET so | |
2436 | * that state_entry() will perform the reattachment | |
2437 | * and bringup the device | |
2438 | */ | |
2439 | idc->prev_state = QLC_83XX_IDC_DEV_NEED_RESET; | |
2440 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
2441 | if (ahw->pci_func == owner) { | |
2442 | ret = qlcnic_83xx_restart_hw(adapter); | |
2443 | if (ret < 0) | |
2444 | return ret; | |
2445 | qlcnic_83xx_idc_clear_registers(adapter, 0); | |
2446 | } | |
2447 | ||
2448 | ret = idc->state_entry(adapter); | |
2449 | return ret; | |
2450 | } | |
2451 | ||
2452 | void qlcnic_83xx_aer_start_poll_work(struct qlcnic_adapter *adapter) | |
2453 | { | |
2454 | struct qlcnic_hardware_context *ahw = adapter->ahw; | |
2455 | struct qlc_83xx_idc *idc = &ahw->idc; | |
2456 | u32 owner; | |
2457 | ||
2458 | idc->prev_state = QLC_83XX_IDC_DEV_READY; | |
2459 | owner = qlcnic_83xx_idc_find_reset_owner_id(adapter); | |
2460 | if (ahw->pci_func == owner) | |
2461 | qlcnic_83xx_idc_enter_ready_state(adapter, 0); | |
2462 | ||
2463 | qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, 0); | |
2464 | } |