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1da177e4 LT |
1 | /* |
2 | * QLOGIC LINUX SOFTWARE | |
3 | * | |
4 | * QLogic ISP2x00 device driver for Linux 2.6.x | |
5 | * Copyright (C) 2003-2004 QLogic Corporation | |
6 | * (www.qlogic.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | */ | |
19 | #include "qla_def.h" | |
20 | ||
21 | #include <linux/delay.h> | |
8482e118 | 22 | #include <scsi/scsi_transport_fc.h> |
1da177e4 LT |
23 | |
24 | #include "qla_devtbl.h" | |
25 | ||
26 | /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ | |
27 | #ifndef EXT_IS_LUN_BIT_SET | |
28 | #define EXT_IS_LUN_BIT_SET(P,L) \ | |
29 | (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) | |
30 | #define EXT_SET_LUN_BIT(P,L) \ | |
31 | ((P)->mask[L/8] |= (0x80 >> (L%8))) | |
32 | #endif | |
33 | ||
34 | /* | |
35 | * QLogic ISP2x00 Hardware Support Function Prototypes. | |
36 | */ | |
37 | static int qla2x00_pci_config(scsi_qla_host_t *); | |
38 | static int qla2x00_isp_firmware(scsi_qla_host_t *); | |
39 | static void qla2x00_reset_chip(scsi_qla_host_t *); | |
40 | static int qla2x00_chip_diag(scsi_qla_host_t *); | |
41 | static void qla2x00_resize_request_q(scsi_qla_host_t *); | |
42 | static int qla2x00_setup_chip(scsi_qla_host_t *); | |
43 | static void qla2x00_init_response_q_entries(scsi_qla_host_t *); | |
44 | static int qla2x00_init_rings(scsi_qla_host_t *); | |
45 | static int qla2x00_fw_ready(scsi_qla_host_t *); | |
46 | static int qla2x00_configure_hba(scsi_qla_host_t *); | |
47 | static int qla2x00_nvram_config(scsi_qla_host_t *); | |
1da177e4 LT |
48 | static int qla2x00_configure_loop(scsi_qla_host_t *); |
49 | static int qla2x00_configure_local_loop(scsi_qla_host_t *); | |
50 | static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); | |
1da177e4 LT |
51 | static int qla2x00_configure_fabric(scsi_qla_host_t *); |
52 | static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); | |
53 | static int qla2x00_device_resync(scsi_qla_host_t *); | |
54 | static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, | |
55 | uint16_t *); | |
1da177e4 LT |
56 | |
57 | static int qla2x00_restart_isp(scsi_qla_host_t *); | |
58 | static void qla2x00_reset_adapter(scsi_qla_host_t *); | |
1da177e4 LT |
59 | |
60 | /****************************************************************************/ | |
61 | /* QLogic ISP2x00 Hardware Support Functions. */ | |
62 | /****************************************************************************/ | |
63 | ||
64 | /* | |
65 | * qla2x00_initialize_adapter | |
66 | * Initialize board. | |
67 | * | |
68 | * Input: | |
69 | * ha = adapter block pointer. | |
70 | * | |
71 | * Returns: | |
72 | * 0 = success | |
73 | */ | |
74 | int | |
75 | qla2x00_initialize_adapter(scsi_qla_host_t *ha) | |
76 | { | |
77 | int rval; | |
78 | uint8_t restart_risc = 0; | |
79 | uint8_t retry; | |
80 | uint32_t wait_time; | |
81 | ||
82 | /* Clear adapter flags. */ | |
83 | ha->flags.online = 0; | |
84 | ha->flags.reset_active = 0; | |
85 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
86 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
87 | ha->device_flags = 0; | |
88 | ha->sns_retry_cnt = 0; | |
89 | ha->dpc_flags = 0; | |
90 | ha->failback_delay = 0; | |
91 | ha->flags.management_server_logged_in = 0; | |
92 | ha->marker_needed = 0; | |
93 | ha->mbx_flags = 0; | |
94 | ha->isp_abort_cnt = 0; | |
95 | ha->beacon_blink_led = 0; | |
96 | ||
97 | rval = qla2x00_pci_config(ha); | |
98 | if (rval) { | |
99 | DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", | |
100 | ha->host_no)); | |
101 | return (rval); | |
102 | } | |
103 | ||
104 | qla2x00_reset_chip(ha); | |
105 | ||
1da177e4 LT |
106 | qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); |
107 | qla2x00_nvram_config(ha); | |
108 | ||
109 | qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); | |
110 | ||
111 | retry = 10; | |
112 | /* | |
113 | * Try to configure the loop. | |
114 | */ | |
115 | do { | |
116 | restart_risc = 0; | |
117 | ||
118 | /* If firmware needs to be loaded */ | |
119 | if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { | |
120 | if ((rval = qla2x00_chip_diag(ha)) == QLA_SUCCESS) { | |
121 | rval = qla2x00_setup_chip(ha); | |
122 | } | |
123 | } | |
124 | ||
125 | if (rval == QLA_SUCCESS && | |
126 | (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { | |
127 | check_fw_ready_again: | |
128 | /* | |
129 | * Wait for a successful LIP up to a maximum | |
130 | * of (in seconds): RISC login timeout value, | |
131 | * RISC retry count value, and port down retry | |
132 | * value OR a minimum of 4 seconds OR If no | |
133 | * cable, only 5 seconds. | |
134 | */ | |
135 | rval = qla2x00_fw_ready(ha); | |
136 | if (rval == QLA_SUCCESS) { | |
137 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
138 | ||
139 | /* | |
140 | * Wait at most MAX_TARGET RSCNs for a stable | |
141 | * link. | |
142 | */ | |
143 | wait_time = 256; | |
144 | do { | |
145 | clear_bit(LOOP_RESYNC_NEEDED, | |
146 | &ha->dpc_flags); | |
147 | rval = qla2x00_configure_loop(ha); | |
148 | ||
149 | if (test_and_clear_bit(ISP_ABORT_NEEDED, | |
150 | &ha->dpc_flags)) { | |
151 | restart_risc = 1; | |
152 | break; | |
153 | } | |
154 | ||
155 | /* | |
156 | * If loop state change while we were | |
157 | * discoverying devices then wait for | |
158 | * LIP to complete | |
159 | */ | |
160 | ||
161 | if (atomic_read(&ha->loop_state) == | |
162 | LOOP_DOWN && retry--) { | |
163 | goto check_fw_ready_again; | |
164 | } | |
165 | wait_time--; | |
166 | } while (!atomic_read(&ha->loop_down_timer) && | |
167 | retry && | |
168 | wait_time && | |
169 | (test_bit(LOOP_RESYNC_NEEDED, | |
170 | &ha->dpc_flags))); | |
171 | ||
172 | if (wait_time == 0) | |
173 | rval = QLA_FUNCTION_FAILED; | |
174 | if (ha->mem_err) | |
175 | restart_risc = 1; | |
176 | } else if (ha->device_flags & DFLG_NO_CABLE) | |
177 | /* If no cable, then all is good. */ | |
178 | rval = QLA_SUCCESS; | |
179 | } | |
180 | } while (restart_risc && retry--); | |
181 | ||
182 | if (rval == QLA_SUCCESS) { | |
183 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
184 | ha->marker_needed = 1; | |
185 | qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); | |
186 | ha->marker_needed = 0; | |
187 | ||
188 | ha->flags.online = 1; | |
189 | } else { | |
190 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
191 | } | |
192 | ||
193 | return (rval); | |
194 | } | |
195 | ||
196 | /** | |
197 | * qla2x00_pci_config() - Setup device PCI configuration registers. | |
198 | * @ha: HA context | |
199 | * | |
200 | * Returns 0 on success. | |
201 | */ | |
202 | static int | |
203 | qla2x00_pci_config(scsi_qla_host_t *ha) | |
204 | { | |
205 | uint16_t w, mwi; | |
206 | unsigned long flags = 0; | |
207 | uint32_t cnt; | |
208 | ||
209 | qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); | |
210 | ||
211 | /* | |
212 | * Turn on PCI master; for system BIOSes that don't turn it on by | |
213 | * default. | |
214 | */ | |
215 | pci_set_master(ha->pdev); | |
216 | mwi = 0; | |
217 | if (pci_set_mwi(ha->pdev)) | |
218 | mwi = PCI_COMMAND_INVALIDATE; | |
219 | pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); | |
220 | ||
221 | if (!ha->iobase) | |
222 | return (QLA_FUNCTION_FAILED); | |
223 | ||
224 | /* | |
225 | * We want to respect framework's setting of PCI configuration space | |
226 | * command register and also want to make sure that all bits of | |
227 | * interest to us are properly set in command register. | |
228 | */ | |
229 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); | |
230 | w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); | |
231 | ||
232 | /* Get PCI bus information. */ | |
233 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
234 | ha->pci_attr = RD_REG_WORD(&ha->iobase->ctrl_status); | |
235 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
236 | ||
237 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
238 | pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); | |
239 | ||
240 | /* PCI Specification Revision 2.3 changes */ | |
241 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
242 | /* Command Register - Reset Interrupt Disable. */ | |
243 | w &= ~PCI_COMMAND_INTX_DISABLE; | |
244 | ||
245 | /* | |
246 | * If this is a 2300 card and not 2312, reset the | |
247 | * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, | |
248 | * the 2310 also reports itself as a 2300 so we need to get the | |
249 | * fb revision level -- a 6 indicates it really is a 2300 and | |
250 | * not a 2310. | |
251 | */ | |
252 | if (IS_QLA2300(ha)) { | |
253 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
254 | ||
255 | /* Pause RISC. */ | |
256 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_PAUSE_RISC); | |
257 | for (cnt = 0; cnt < 30000; cnt++) { | |
258 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
259 | HCCR_RISC_PAUSE) != 0) | |
260 | break; | |
261 | ||
262 | udelay(10); | |
263 | } | |
264 | ||
265 | /* Select FPM registers. */ | |
266 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x20); | |
267 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
268 | ||
269 | /* Get the fb rev level */ | |
270 | ha->fb_rev = RD_FB_CMD_REG(ha, ha->iobase); | |
271 | ||
272 | if (ha->fb_rev == FPM_2300) | |
273 | w &= ~PCI_COMMAND_INVALIDATE; | |
274 | ||
275 | /* Deselect FPM registers. */ | |
276 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x0); | |
277 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
278 | ||
279 | /* Release RISC module. */ | |
280 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_RELEASE_RISC); | |
281 | for (cnt = 0; cnt < 30000; cnt++) { | |
282 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
283 | HCCR_RISC_PAUSE) == 0) | |
284 | break; | |
285 | ||
286 | udelay(10); | |
287 | } | |
288 | ||
289 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
290 | } | |
291 | } | |
292 | ||
293 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); | |
294 | ||
295 | /* Reset expansion ROM address decode enable */ | |
296 | pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); | |
297 | w &= ~PCI_ROM_ADDRESS_ENABLE; | |
298 | pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); | |
299 | ||
300 | return (QLA_SUCCESS); | |
301 | } | |
302 | ||
303 | /** | |
304 | * qla2x00_isp_firmware() - Choose firmware image. | |
305 | * @ha: HA context | |
306 | * | |
307 | * Returns 0 on success. | |
308 | */ | |
309 | static int | |
310 | qla2x00_isp_firmware(scsi_qla_host_t *ha) | |
311 | { | |
312 | int rval; | |
313 | ||
314 | /* Assume loading risc code */ | |
315 | rval = QLA_FUNCTION_FAILED; | |
316 | ||
317 | if (ha->flags.disable_risc_code_load) { | |
318 | DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", | |
319 | ha->host_no)); | |
320 | qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); | |
321 | ||
322 | /* Verify checksum of loaded RISC code. */ | |
323 | rval = qla2x00_verify_checksum(ha); | |
324 | } | |
325 | ||
326 | if (rval) { | |
327 | DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", | |
328 | ha->host_no)); | |
329 | } | |
330 | ||
331 | return (rval); | |
332 | } | |
333 | ||
334 | /** | |
335 | * qla2x00_reset_chip() - Reset ISP chip. | |
336 | * @ha: HA context | |
337 | * | |
338 | * Returns 0 on success. | |
339 | */ | |
340 | static void | |
341 | qla2x00_reset_chip(scsi_qla_host_t *ha) | |
342 | { | |
343 | unsigned long flags = 0; | |
344 | device_reg_t __iomem *reg = ha->iobase; | |
345 | uint32_t cnt; | |
346 | unsigned long mbx_flags = 0; | |
347 | uint16_t cmd; | |
348 | ||
349 | /* Disable ISP interrupts. */ | |
350 | qla2x00_disable_intrs(ha); | |
351 | ||
352 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
353 | ||
354 | /* Turn off master enable */ | |
355 | cmd = 0; | |
356 | pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); | |
357 | cmd &= ~PCI_COMMAND_MASTER; | |
358 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
359 | ||
360 | if (!IS_QLA2100(ha)) { | |
361 | /* Pause RISC. */ | |
362 | WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); | |
363 | if (IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
364 | for (cnt = 0; cnt < 30000; cnt++) { | |
365 | if ((RD_REG_WORD(®->hccr) & | |
366 | HCCR_RISC_PAUSE) != 0) | |
367 | break; | |
368 | udelay(100); | |
369 | } | |
370 | } else { | |
371 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
372 | udelay(10); | |
373 | } | |
374 | ||
375 | /* Select FPM registers. */ | |
376 | WRT_REG_WORD(®->ctrl_status, 0x20); | |
377 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
378 | ||
379 | /* FPM Soft Reset. */ | |
380 | WRT_REG_WORD(®->fpm_diag_config, 0x100); | |
381 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
382 | ||
383 | /* Toggle Fpm Reset. */ | |
384 | if (!IS_QLA2200(ha)) { | |
385 | WRT_REG_WORD(®->fpm_diag_config, 0x0); | |
386 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
387 | } | |
388 | ||
389 | /* Select frame buffer registers. */ | |
390 | WRT_REG_WORD(®->ctrl_status, 0x10); | |
391 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
392 | ||
393 | /* Reset frame buffer FIFOs. */ | |
394 | if (IS_QLA2200(ha)) { | |
395 | WRT_FB_CMD_REG(ha, reg, 0xa000); | |
396 | RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ | |
397 | } else { | |
398 | WRT_FB_CMD_REG(ha, reg, 0x00fc); | |
399 | ||
400 | /* Read back fb_cmd until zero or 3 seconds max */ | |
401 | for (cnt = 0; cnt < 3000; cnt++) { | |
402 | if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) | |
403 | break; | |
404 | udelay(100); | |
405 | } | |
406 | } | |
407 | ||
408 | /* Select RISC module registers. */ | |
409 | WRT_REG_WORD(®->ctrl_status, 0); | |
410 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
411 | ||
412 | /* Reset RISC processor. */ | |
413 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
414 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
415 | ||
416 | /* Release RISC processor. */ | |
417 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
418 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
419 | } | |
420 | ||
421 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
422 | WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); | |
423 | ||
424 | /* Reset ISP chip. */ | |
425 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
426 | ||
427 | /* Wait for RISC to recover from reset. */ | |
428 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
429 | /* | |
430 | * It is necessary to for a delay here since the card doesn't | |
431 | * respond to PCI reads during a reset. On some architectures | |
432 | * this will result in an MCA. | |
433 | */ | |
434 | udelay(20); | |
435 | for (cnt = 30000; cnt; cnt--) { | |
436 | if ((RD_REG_WORD(®->ctrl_status) & | |
437 | CSR_ISP_SOFT_RESET) == 0) | |
438 | break; | |
439 | udelay(100); | |
440 | } | |
441 | } else | |
442 | udelay(10); | |
443 | ||
444 | /* Reset RISC processor. */ | |
445 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
446 | ||
447 | WRT_REG_WORD(®->semaphore, 0); | |
448 | ||
449 | /* Release RISC processor. */ | |
450 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
451 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
452 | ||
453 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
454 | for (cnt = 0; cnt < 30000; cnt++) { | |
455 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
456 | spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); | |
457 | ||
458 | if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { | |
459 | if (!(test_bit(ABORT_ISP_ACTIVE, | |
460 | &ha->dpc_flags))) | |
461 | spin_unlock_irqrestore( | |
462 | &ha->mbx_reg_lock, mbx_flags); | |
463 | break; | |
464 | } | |
465 | ||
466 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
467 | spin_unlock_irqrestore(&ha->mbx_reg_lock, | |
468 | mbx_flags); | |
469 | ||
470 | udelay(100); | |
471 | } | |
472 | } else | |
473 | udelay(100); | |
474 | ||
475 | /* Turn on master enable */ | |
476 | cmd |= PCI_COMMAND_MASTER; | |
477 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
478 | ||
479 | /* Disable RISC pause on FPM parity error. */ | |
480 | if (!IS_QLA2100(ha)) { | |
481 | WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); | |
482 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
483 | } | |
484 | ||
485 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
486 | } | |
487 | ||
488 | /** | |
489 | * qla2x00_chip_diag() - Test chip for proper operation. | |
490 | * @ha: HA context | |
491 | * | |
492 | * Returns 0 on success. | |
493 | */ | |
494 | static int | |
495 | qla2x00_chip_diag(scsi_qla_host_t *ha) | |
496 | { | |
497 | int rval; | |
498 | device_reg_t __iomem *reg = ha->iobase; | |
499 | unsigned long flags = 0; | |
500 | uint16_t data; | |
501 | uint32_t cnt; | |
502 | uint16_t mb[5]; | |
503 | ||
504 | /* Assume a failed state */ | |
505 | rval = QLA_FUNCTION_FAILED; | |
506 | ||
507 | DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", | |
508 | ha->host_no, (u_long)®->flash_address)); | |
509 | ||
510 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
511 | ||
512 | /* Reset ISP chip. */ | |
513 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
514 | ||
515 | /* | |
516 | * We need to have a delay here since the card will not respond while | |
517 | * in reset causing an MCA on some architectures. | |
518 | */ | |
519 | udelay(20); | |
520 | data = qla2x00_debounce_register(®->ctrl_status); | |
521 | for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { | |
522 | udelay(5); | |
523 | data = RD_REG_WORD(®->ctrl_status); | |
524 | barrier(); | |
525 | } | |
526 | ||
527 | if (!cnt) | |
528 | goto chip_diag_failed; | |
529 | ||
530 | DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", | |
531 | ha->host_no)); | |
532 | ||
533 | /* Reset RISC processor. */ | |
534 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
535 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
536 | ||
537 | /* Workaround for QLA2312 PCI parity error */ | |
538 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
539 | data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); | |
540 | for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { | |
541 | udelay(5); | |
542 | data = RD_MAILBOX_REG(ha, reg, 0); | |
543 | barrier(); | |
544 | } | |
545 | } else | |
546 | udelay(10); | |
547 | ||
548 | if (!cnt) | |
549 | goto chip_diag_failed; | |
550 | ||
551 | /* Check product ID of chip */ | |
552 | DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); | |
553 | ||
554 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
555 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
556 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
557 | mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); | |
558 | if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || | |
559 | mb[3] != PROD_ID_3) { | |
560 | qla_printk(KERN_WARNING, ha, | |
561 | "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); | |
562 | ||
563 | goto chip_diag_failed; | |
564 | } | |
565 | ha->product_id[0] = mb[1]; | |
566 | ha->product_id[1] = mb[2]; | |
567 | ha->product_id[2] = mb[3]; | |
568 | ha->product_id[3] = mb[4]; | |
569 | ||
570 | /* Adjust fw RISC transfer size */ | |
571 | if (ha->request_q_length > 1024) | |
572 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; | |
573 | else | |
574 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * | |
575 | ha->request_q_length; | |
576 | ||
577 | if (IS_QLA2200(ha) && | |
578 | RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { | |
579 | /* Limit firmware transfer size with a 2200A */ | |
580 | DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", | |
581 | ha->host_no)); | |
582 | ||
583 | ha->fw_transfer_size = 128; | |
584 | } | |
585 | ||
586 | /* Wrap Incoming Mailboxes Test. */ | |
587 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
588 | ||
589 | DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); | |
590 | rval = qla2x00_mbx_reg_test(ha); | |
591 | if (rval) { | |
592 | DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", | |
593 | ha->host_no)); | |
594 | qla_printk(KERN_WARNING, ha, | |
595 | "Failed mailbox send register test\n"); | |
596 | } | |
597 | else { | |
598 | /* Flag a successful rval */ | |
599 | rval = QLA_SUCCESS; | |
600 | } | |
601 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
602 | ||
603 | chip_diag_failed: | |
604 | if (rval) | |
605 | DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " | |
606 | "****\n", ha->host_no)); | |
607 | ||
608 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
609 | ||
610 | return (rval); | |
611 | } | |
612 | ||
613 | /** | |
614 | * qla2x00_resize_request_q() - Resize request queue given available ISP memory. | |
615 | * @ha: HA context | |
616 | * | |
617 | * Returns 0 on success. | |
618 | */ | |
619 | static void | |
620 | qla2x00_resize_request_q(scsi_qla_host_t *ha) | |
621 | { | |
622 | int rval; | |
623 | uint16_t fw_iocb_cnt = 0; | |
624 | uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; | |
625 | dma_addr_t request_dma; | |
626 | request_t *request_ring; | |
627 | ||
628 | /* Valid only on recent ISPs. */ | |
629 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
630 | return; | |
631 | ||
632 | /* Retrieve IOCB counts available to the firmware. */ | |
633 | rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); | |
634 | if (rval) | |
635 | return; | |
636 | /* No point in continuing if current settings are sufficient. */ | |
637 | if (fw_iocb_cnt < 1024) | |
638 | return; | |
639 | if (ha->request_q_length >= request_q_length) | |
640 | return; | |
641 | ||
642 | /* Attempt to claim larger area for request queue. */ | |
643 | request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
644 | (request_q_length + 1) * sizeof(request_t), &request_dma, | |
645 | GFP_KERNEL); | |
646 | if (request_ring == NULL) | |
647 | return; | |
648 | ||
649 | /* Resize successful, report extensions. */ | |
650 | qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", | |
651 | (ha->fw_memory_size + 1) / 1024); | |
652 | qla_printk(KERN_INFO, ha, "Resizing request queue depth " | |
653 | "(%d -> %d)...\n", ha->request_q_length, request_q_length); | |
654 | ||
655 | /* Clear old allocations. */ | |
656 | dma_free_coherent(&ha->pdev->dev, | |
657 | (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, | |
658 | ha->request_dma); | |
659 | ||
660 | /* Begin using larger queue. */ | |
661 | ha->request_q_length = request_q_length; | |
662 | ha->request_ring = request_ring; | |
663 | ha->request_dma = request_dma; | |
664 | } | |
665 | ||
666 | /** | |
667 | * qla2x00_setup_chip() - Load and start RISC firmware. | |
668 | * @ha: HA context | |
669 | * | |
670 | * Returns 0 on success. | |
671 | */ | |
672 | static int | |
673 | qla2x00_setup_chip(scsi_qla_host_t *ha) | |
674 | { | |
675 | int rval; | |
676 | uint16_t cnt; | |
677 | uint16_t *risc_code; | |
678 | unsigned long risc_address; | |
679 | unsigned long risc_code_size; | |
680 | int num; | |
681 | int i; | |
682 | uint16_t *req_ring; | |
683 | struct qla_fw_info *fw_iter; | |
684 | ||
685 | rval = QLA_SUCCESS; | |
686 | ||
687 | /* Load firmware sequences */ | |
688 | fw_iter = ha->brd_info->fw_info; | |
689 | while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { | |
690 | risc_code = fw_iter->fwcode; | |
691 | risc_code_size = *fw_iter->fwlen; | |
692 | ||
693 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
694 | risc_address = *fw_iter->fwstart; | |
695 | } else { | |
696 | /* Extended address */ | |
697 | risc_address = *fw_iter->lfwstart; | |
698 | } | |
699 | ||
700 | num = 0; | |
701 | rval = 0; | |
702 | while (risc_code_size > 0 && !rval) { | |
703 | cnt = (uint16_t)(ha->fw_transfer_size >> 1); | |
704 | if (cnt > risc_code_size) | |
705 | cnt = risc_code_size; | |
706 | ||
707 | DEBUG7(printk("scsi(%ld): Loading risc segment@ " | |
708 | "addr %p, number of bytes 0x%x, offset 0x%lx.\n", | |
709 | ha->host_no, risc_code, cnt, risc_address)); | |
710 | ||
711 | req_ring = (uint16_t *)ha->request_ring; | |
712 | for (i = 0; i < cnt; i++) | |
713 | req_ring[i] = cpu_to_le16(risc_code[i]); | |
714 | ||
715 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
716 | rval = qla2x00_load_ram(ha, | |
717 | ha->request_dma, risc_address, cnt); | |
718 | } else { | |
719 | rval = qla2x00_load_ram_ext(ha, | |
720 | ha->request_dma, risc_address, cnt); | |
721 | } | |
722 | if (rval) { | |
723 | DEBUG(printk("scsi(%ld): [ERROR] Failed to " | |
724 | "load segment %d of firmware\n", | |
725 | ha->host_no, num)); | |
726 | qla_printk(KERN_WARNING, ha, | |
727 | "[ERROR] Failed to load " | |
728 | "segment %d of firmware\n", num); | |
729 | ||
730 | qla2x00_dump_regs(ha); | |
731 | break; | |
732 | } | |
733 | ||
734 | risc_code += cnt; | |
735 | risc_address += cnt; | |
736 | risc_code_size -= cnt; | |
737 | num++; | |
738 | } | |
739 | ||
740 | /* Next firmware sequence */ | |
741 | fw_iter++; | |
742 | } | |
743 | ||
744 | /* Verify checksum of loaded RISC code. */ | |
745 | if (!rval) { | |
746 | DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " | |
747 | "code.\n", ha->host_no)); | |
748 | ||
749 | rval = qla2x00_verify_checksum(ha); | |
750 | if (rval == QLA_SUCCESS) { | |
751 | /* Start firmware execution. */ | |
752 | DEBUG(printk("scsi(%ld): Checksum OK, start " | |
753 | "firmware.\n", ha->host_no)); | |
754 | ||
755 | rval = qla2x00_execute_fw(ha); | |
756 | /* Retrieve firmware information. */ | |
757 | if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { | |
758 | qla2x00_get_fw_version(ha, | |
759 | &ha->fw_major_version, | |
760 | &ha->fw_minor_version, | |
761 | &ha->fw_subminor_version, | |
762 | &ha->fw_attributes, &ha->fw_memory_size); | |
763 | qla2x00_resize_request_q(ha); | |
764 | } | |
765 | } else { | |
766 | DEBUG2(printk(KERN_INFO | |
767 | "scsi(%ld): ISP Firmware failed checksum.\n", | |
768 | ha->host_no)); | |
769 | } | |
770 | } | |
771 | ||
772 | if (rval) { | |
773 | DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", | |
774 | ha->host_no)); | |
775 | } | |
776 | ||
777 | return (rval); | |
778 | } | |
779 | ||
780 | /** | |
781 | * qla2x00_init_response_q_entries() - Initializes response queue entries. | |
782 | * @ha: HA context | |
783 | * | |
784 | * Beginning of request ring has initialization control block already built | |
785 | * by nvram config routine. | |
786 | * | |
787 | * Returns 0 on success. | |
788 | */ | |
789 | static void | |
790 | qla2x00_init_response_q_entries(scsi_qla_host_t *ha) | |
791 | { | |
792 | uint16_t cnt; | |
793 | response_t *pkt; | |
794 | ||
795 | pkt = ha->response_ring_ptr; | |
796 | for (cnt = 0; cnt < ha->response_q_length; cnt++) { | |
797 | pkt->signature = RESPONSE_PROCESSED; | |
798 | pkt++; | |
799 | } | |
800 | ||
801 | } | |
802 | ||
803 | /** | |
804 | * qla2x00_update_fw_options() - Read and process firmware options. | |
805 | * @ha: HA context | |
806 | * | |
807 | * Returns 0 on success. | |
808 | */ | |
809 | static void | |
810 | qla2x00_update_fw_options(scsi_qla_host_t *ha) | |
811 | { | |
812 | uint16_t swing, emphasis, tx_sens, rx_sens; | |
813 | ||
814 | memset(ha->fw_options, 0, sizeof(ha->fw_options)); | |
815 | qla2x00_get_fw_options(ha, ha->fw_options); | |
816 | ||
817 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
818 | return; | |
819 | ||
820 | /* Serial Link options. */ | |
821 | DEBUG3(printk("scsi(%ld): Serial link options:\n", | |
822 | ha->host_no)); | |
823 | DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, | |
824 | sizeof(ha->fw_seriallink_options))); | |
825 | ||
826 | ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; | |
827 | if (ha->fw_seriallink_options[3] & BIT_2) { | |
828 | ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; | |
829 | ||
830 | /* 1G settings */ | |
831 | swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); | |
832 | emphasis = (ha->fw_seriallink_options[2] & | |
833 | (BIT_4 | BIT_3)) >> 3; | |
834 | tx_sens = ha->fw_seriallink_options[0] & | |
835 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
836 | rx_sens = (ha->fw_seriallink_options[0] & | |
837 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
838 | ha->fw_options[10] = (emphasis << 14) | (swing << 8); | |
839 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
840 | if (rx_sens == 0x0) | |
841 | rx_sens = 0x3; | |
842 | ha->fw_options[10] |= (tx_sens << 4) | rx_sens; | |
843 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
844 | ha->fw_options[10] |= BIT_5 | | |
845 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
846 | (tx_sens & (BIT_1 | BIT_0)); | |
847 | ||
848 | /* 2G settings */ | |
849 | swing = (ha->fw_seriallink_options[2] & | |
850 | (BIT_7 | BIT_6 | BIT_5)) >> 5; | |
851 | emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); | |
852 | tx_sens = ha->fw_seriallink_options[1] & | |
853 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
854 | rx_sens = (ha->fw_seriallink_options[1] & | |
855 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
856 | ha->fw_options[11] = (emphasis << 14) | (swing << 8); | |
857 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
858 | if (rx_sens == 0x0) | |
859 | rx_sens = 0x3; | |
860 | ha->fw_options[11] |= (tx_sens << 4) | rx_sens; | |
861 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
862 | ha->fw_options[11] |= BIT_5 | | |
863 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
864 | (tx_sens & (BIT_1 | BIT_0)); | |
865 | } | |
866 | ||
867 | /* FCP2 options. */ | |
868 | /* Return command IOCBs without waiting for an ABTS to complete. */ | |
869 | ha->fw_options[3] |= BIT_13; | |
870 | ||
871 | /* LED scheme. */ | |
872 | if (ha->flags.enable_led_scheme) | |
873 | ha->fw_options[2] |= BIT_12; | |
874 | ||
875 | /* Update firmware options. */ | |
876 | qla2x00_set_fw_options(ha, ha->fw_options); | |
877 | } | |
878 | ||
879 | /** | |
880 | * qla2x00_init_rings() - Initializes firmware. | |
881 | * @ha: HA context | |
882 | * | |
883 | * Beginning of request ring has initialization control block already built | |
884 | * by nvram config routine. | |
885 | * | |
886 | * Returns 0 on success. | |
887 | */ | |
888 | static int | |
889 | qla2x00_init_rings(scsi_qla_host_t *ha) | |
890 | { | |
891 | int rval; | |
892 | unsigned long flags = 0; | |
893 | int cnt; | |
894 | device_reg_t __iomem *reg = ha->iobase; | |
895 | ||
896 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
897 | ||
898 | /* Clear outstanding commands array. */ | |
899 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
900 | ha->outstanding_cmds[cnt] = NULL; | |
901 | ||
902 | ha->current_outstanding_cmd = 0; | |
903 | ||
904 | /* Clear RSCN queue. */ | |
905 | ha->rscn_in_ptr = 0; | |
906 | ha->rscn_out_ptr = 0; | |
907 | ||
908 | /* Initialize firmware. */ | |
909 | ha->request_ring_ptr = ha->request_ring; | |
910 | ha->req_ring_index = 0; | |
911 | ha->req_q_cnt = ha->request_q_length; | |
912 | ha->response_ring_ptr = ha->response_ring; | |
913 | ha->rsp_ring_index = 0; | |
914 | ||
915 | /* Setup ring parameters in initialization control block. */ | |
916 | ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); | |
917 | ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); | |
918 | ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); | |
919 | ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); | |
920 | ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); | |
921 | ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); | |
922 | ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); | |
923 | ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); | |
924 | ||
925 | /* Initialize response queue entries */ | |
926 | qla2x00_init_response_q_entries(ha); | |
927 | ||
928 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); | |
929 | WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); | |
930 | WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); | |
931 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); | |
932 | RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ | |
933 | ||
934 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
935 | ||
936 | /* Update any ISP specific firmware options before initialization. */ | |
937 | qla2x00_update_fw_options(ha); | |
938 | ||
939 | DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); | |
940 | rval = qla2x00_init_firmware(ha, sizeof(init_cb_t)); | |
941 | if (rval) { | |
942 | DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", | |
943 | ha->host_no)); | |
944 | } else { | |
945 | DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", | |
946 | ha->host_no)); | |
947 | } | |
948 | ||
949 | return (rval); | |
950 | } | |
951 | ||
952 | /** | |
953 | * qla2x00_fw_ready() - Waits for firmware ready. | |
954 | * @ha: HA context | |
955 | * | |
956 | * Returns 0 on success. | |
957 | */ | |
958 | static int | |
959 | qla2x00_fw_ready(scsi_qla_host_t *ha) | |
960 | { | |
961 | int rval; | |
962 | unsigned long wtime, mtime; | |
963 | uint16_t min_wait; /* Minimum wait time if loop is down */ | |
964 | uint16_t wait_time; /* Wait time if loop is coming ready */ | |
965 | uint16_t fw_state; | |
966 | ||
967 | rval = QLA_SUCCESS; | |
968 | ||
969 | /* 20 seconds for loop down. */ | |
970 | min_wait = 20; | |
971 | ||
972 | /* | |
973 | * Firmware should take at most one RATOV to login, plus 5 seconds for | |
974 | * our own processing. | |
975 | */ | |
976 | if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { | |
977 | wait_time = min_wait; | |
978 | } | |
979 | ||
980 | /* Min wait time if loop down */ | |
981 | mtime = jiffies + (min_wait * HZ); | |
982 | ||
983 | /* wait time before firmware ready */ | |
984 | wtime = jiffies + (wait_time * HZ); | |
985 | ||
986 | /* Wait for ISP to finish LIP */ | |
987 | if (!ha->flags.init_done) | |
988 | qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); | |
989 | ||
990 | DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", | |
991 | ha->host_no)); | |
992 | ||
993 | do { | |
994 | rval = qla2x00_get_firmware_state(ha, &fw_state); | |
995 | if (rval == QLA_SUCCESS) { | |
996 | if (fw_state < FSTATE_LOSS_OF_SYNC) { | |
997 | ha->device_flags &= ~DFLG_NO_CABLE; | |
998 | } | |
999 | if (fw_state == FSTATE_READY) { | |
1000 | DEBUG(printk("scsi(%ld): F/W Ready - OK \n", | |
1001 | ha->host_no)); | |
1002 | ||
1003 | qla2x00_get_retry_cnt(ha, &ha->retry_count, | |
1004 | &ha->login_timeout, &ha->r_a_tov); | |
1005 | ||
1006 | rval = QLA_SUCCESS; | |
1007 | break; | |
1008 | } | |
1009 | ||
1010 | rval = QLA_FUNCTION_FAILED; | |
1011 | ||
1012 | if (atomic_read(&ha->loop_down_timer) && | |
1013 | (fw_state >= FSTATE_LOSS_OF_SYNC || | |
1014 | fw_state == FSTATE_WAIT_AL_PA)) { | |
1015 | /* Loop down. Timeout on min_wait for states | |
1016 | * other than Wait for Login. | |
1017 | */ | |
1018 | if (time_after_eq(jiffies, mtime)) { | |
1019 | qla_printk(KERN_INFO, ha, | |
1020 | "Cable is unplugged...\n"); | |
1021 | ||
1022 | ha->device_flags |= DFLG_NO_CABLE; | |
1023 | break; | |
1024 | } | |
1025 | } | |
1026 | } else { | |
1027 | /* Mailbox cmd failed. Timeout on min_wait. */ | |
1028 | if (time_after_eq(jiffies, mtime)) | |
1029 | break; | |
1030 | } | |
1031 | ||
1032 | if (time_after_eq(jiffies, wtime)) | |
1033 | break; | |
1034 | ||
1035 | /* Delay for a while */ | |
1036 | msleep(500); | |
1037 | ||
1038 | DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1039 | ha->host_no, fw_state, jiffies)); | |
1040 | } while (1); | |
1041 | ||
1042 | DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1043 | ha->host_no, fw_state, jiffies)); | |
1044 | ||
1045 | if (rval) { | |
1046 | DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", | |
1047 | ha->host_no)); | |
1048 | } | |
1049 | ||
1050 | return (rval); | |
1051 | } | |
1052 | ||
1053 | /* | |
1054 | * qla2x00_configure_hba | |
1055 | * Setup adapter context. | |
1056 | * | |
1057 | * Input: | |
1058 | * ha = adapter state pointer. | |
1059 | * | |
1060 | * Returns: | |
1061 | * 0 = success | |
1062 | * | |
1063 | * Context: | |
1064 | * Kernel context. | |
1065 | */ | |
1066 | static int | |
1067 | qla2x00_configure_hba(scsi_qla_host_t *ha) | |
1068 | { | |
1069 | int rval; | |
1070 | uint16_t loop_id; | |
1071 | uint16_t topo; | |
1072 | uint8_t al_pa; | |
1073 | uint8_t area; | |
1074 | uint8_t domain; | |
1075 | char connect_type[22]; | |
1076 | ||
1077 | /* Get host addresses. */ | |
1078 | rval = qla2x00_get_adapter_id(ha, | |
1079 | &loop_id, &al_pa, &area, &domain, &topo); | |
1080 | if (rval != QLA_SUCCESS) { | |
1081 | qla_printk(KERN_WARNING, ha, | |
1082 | "ERROR -- Unable to get host loop ID.\n"); | |
1083 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1084 | return (rval); | |
1085 | } | |
1086 | ||
1087 | if (topo == 4) { | |
1088 | qla_printk(KERN_INFO, ha, | |
1089 | "Cannot get topology - retrying.\n"); | |
1090 | return (QLA_FUNCTION_FAILED); | |
1091 | } | |
1092 | ||
1093 | ha->loop_id = loop_id; | |
1094 | ||
1095 | /* initialize */ | |
1096 | ha->min_external_loopid = SNS_FIRST_LOOP_ID; | |
1097 | ha->operating_mode = LOOP; | |
1098 | ||
1099 | switch (topo) { | |
1100 | case 0: | |
1101 | DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", | |
1102 | ha->host_no)); | |
1103 | ha->current_topology = ISP_CFG_NL; | |
1104 | strcpy(connect_type, "(Loop)"); | |
1105 | break; | |
1106 | ||
1107 | case 1: | |
1108 | DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", | |
1109 | ha->host_no)); | |
1110 | ha->current_topology = ISP_CFG_FL; | |
1111 | strcpy(connect_type, "(FL_Port)"); | |
1112 | break; | |
1113 | ||
1114 | case 2: | |
1115 | DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", | |
1116 | ha->host_no)); | |
1117 | ha->operating_mode = P2P; | |
1118 | ha->current_topology = ISP_CFG_N; | |
1119 | strcpy(connect_type, "(N_Port-to-N_Port)"); | |
1120 | break; | |
1121 | ||
1122 | case 3: | |
1123 | DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", | |
1124 | ha->host_no)); | |
1125 | ha->operating_mode = P2P; | |
1126 | ha->current_topology = ISP_CFG_F; | |
1127 | strcpy(connect_type, "(F_Port)"); | |
1128 | break; | |
1129 | ||
1130 | default: | |
1131 | DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " | |
1132 | "Using NL.\n", | |
1133 | ha->host_no, topo)); | |
1134 | ha->current_topology = ISP_CFG_NL; | |
1135 | strcpy(connect_type, "(Loop)"); | |
1136 | break; | |
1137 | } | |
1138 | ||
1139 | /* Save Host port and loop ID. */ | |
1140 | /* byte order - Big Endian */ | |
1141 | ha->d_id.b.domain = domain; | |
1142 | ha->d_id.b.area = area; | |
1143 | ha->d_id.b.al_pa = al_pa; | |
1144 | ||
1145 | if (!ha->flags.init_done) | |
1146 | qla_printk(KERN_INFO, ha, | |
1147 | "Topology - %s, Host Loop address 0x%x\n", | |
1148 | connect_type, ha->loop_id); | |
1149 | ||
1150 | if (rval) { | |
1151 | DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); | |
1152 | } else { | |
1153 | DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); | |
1154 | } | |
1155 | ||
1156 | return(rval); | |
1157 | } | |
1158 | ||
1159 | /* | |
1160 | * NVRAM configuration for ISP 2xxx | |
1161 | * | |
1162 | * Input: | |
1163 | * ha = adapter block pointer. | |
1164 | * | |
1165 | * Output: | |
1166 | * initialization control block in response_ring | |
1167 | * host adapters parameters in host adapter block | |
1168 | * | |
1169 | * Returns: | |
1170 | * 0 = success. | |
1171 | */ | |
1172 | static int | |
1173 | qla2x00_nvram_config(scsi_qla_host_t *ha) | |
1174 | { | |
1175 | int rval; | |
1176 | uint8_t chksum = 0; | |
1177 | uint16_t cnt; | |
1178 | uint8_t *dptr1, *dptr2; | |
1179 | init_cb_t *icb = ha->init_cb; | |
1180 | nvram_t *nv = (nvram_t *)ha->request_ring; | |
1181 | uint16_t *wptr = (uint16_t *)ha->request_ring; | |
1182 | device_reg_t __iomem *reg = ha->iobase; | |
1183 | uint8_t timer_mode; | |
1184 | ||
1185 | rval = QLA_SUCCESS; | |
1186 | ||
1187 | /* Determine NVRAM starting address. */ | |
1188 | ha->nvram_base = 0; | |
1189 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) | |
1190 | if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) | |
1191 | ha->nvram_base = 0x80; | |
1192 | ||
1193 | /* Get NVRAM data and calculate checksum. */ | |
1194 | qla2x00_lock_nvram_access(ha); | |
1195 | for (cnt = 0; cnt < sizeof(nvram_t)/2; cnt++) { | |
1196 | *wptr = cpu_to_le16(qla2x00_get_nvram_word(ha, | |
1197 | (cnt+ha->nvram_base))); | |
1198 | chksum += (uint8_t)*wptr; | |
1199 | chksum += (uint8_t)(*wptr >> 8); | |
1200 | wptr++; | |
1201 | } | |
1202 | qla2x00_unlock_nvram_access(ha); | |
1203 | ||
1204 | DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); | |
1205 | DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, | |
1206 | sizeof(nvram_t))); | |
1207 | ||
1208 | /* Bad NVRAM data, set defaults parameters. */ | |
1209 | if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || | |
1210 | nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { | |
1211 | /* Reset NVRAM data. */ | |
1212 | qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " | |
1213 | "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], | |
1214 | nv->nvram_version); | |
1215 | qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " | |
1216 | "invalid -- WWPN) defaults.\n"); | |
1217 | ||
1218 | /* | |
1219 | * Set default initialization control block. | |
1220 | */ | |
1221 | memset(nv, 0, sizeof(nvram_t)); | |
1222 | nv->parameter_block_version = ICB_VERSION; | |
1223 | ||
1224 | if (IS_QLA23XX(ha)) { | |
1225 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1226 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1227 | nv->add_firmware_options[0] = BIT_5; | |
1228 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1229 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1230 | nv->special_options[1] = BIT_7; | |
1231 | } else if (IS_QLA2200(ha)) { | |
1232 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1233 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1234 | nv->add_firmware_options[0] = BIT_5; | |
1235 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1236 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1237 | } else if (IS_QLA2100(ha)) { | |
1238 | nv->firmware_options[0] = BIT_3 | BIT_1; | |
1239 | nv->firmware_options[1] = BIT_5; | |
1240 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1241 | } | |
1242 | ||
1243 | nv->max_iocb_allocation = __constant_cpu_to_le16(256); | |
1244 | nv->execution_throttle = __constant_cpu_to_le16(16); | |
1245 | nv->retry_count = 8; | |
1246 | nv->retry_delay = 1; | |
1247 | ||
1248 | nv->port_name[0] = 33; | |
1249 | nv->port_name[3] = 224; | |
1250 | nv->port_name[4] = 139; | |
1251 | ||
1252 | nv->login_timeout = 4; | |
1253 | ||
1254 | /* | |
1255 | * Set default host adapter parameters | |
1256 | */ | |
1257 | nv->host_p[1] = BIT_2; | |
1258 | nv->reset_delay = 5; | |
1259 | nv->port_down_retry_count = 8; | |
1260 | nv->max_luns_per_target = __constant_cpu_to_le16(8); | |
1261 | nv->link_down_timeout = 60; | |
1262 | ||
1263 | rval = 1; | |
1264 | } | |
1265 | ||
1266 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1267 | /* | |
1268 | * The SN2 does not provide BIOS emulation which means you can't change | |
1269 | * potentially bogus BIOS settings. Force the use of default settings | |
1270 | * for link rate and frame size. Hope that the rest of the settings | |
1271 | * are valid. | |
1272 | */ | |
1273 | if (ia64_platform_is("sn2")) { | |
1274 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1275 | if (IS_QLA23XX(ha)) | |
1276 | nv->special_options[1] = BIT_7; | |
1277 | } | |
1278 | #endif | |
1279 | ||
1280 | /* Reset Initialization control block */ | |
1281 | memset(icb, 0, sizeof(init_cb_t)); | |
1282 | ||
1283 | /* | |
1284 | * Setup driver NVRAM options. | |
1285 | */ | |
1286 | nv->firmware_options[0] |= (BIT_6 | BIT_1); | |
1287 | nv->firmware_options[0] &= ~(BIT_5 | BIT_4); | |
1288 | nv->firmware_options[1] |= (BIT_5 | BIT_0); | |
1289 | nv->firmware_options[1] &= ~BIT_4; | |
1290 | ||
1291 | if (IS_QLA23XX(ha)) { | |
1292 | nv->firmware_options[0] |= BIT_2; | |
1293 | nv->firmware_options[0] &= ~BIT_3; | |
1294 | ||
1295 | if (IS_QLA2300(ha)) { | |
1296 | if (ha->fb_rev == FPM_2310) { | |
1297 | strcpy(ha->model_number, "QLA2310"); | |
1298 | } else { | |
1299 | strcpy(ha->model_number, "QLA2300"); | |
1300 | } | |
1301 | } else { | |
1302 | if (rval == 0 && | |
1303 | memcmp(nv->model_number, BINZERO, | |
1304 | sizeof(nv->model_number)) != 0) { | |
1305 | char *st, *en; | |
1306 | ||
1307 | strncpy(ha->model_number, nv->model_number, | |
1308 | sizeof(nv->model_number)); | |
1309 | st = en = ha->model_number; | |
1310 | en += sizeof(nv->model_number) - 1; | |
1311 | while (en > st) { | |
1312 | if (*en != 0x20 && *en != 0x00) | |
1313 | break; | |
1314 | *en-- = '\0'; | |
1315 | } | |
1316 | } else { | |
1317 | uint16_t index; | |
1318 | ||
1319 | index = (ha->pdev->subsystem_device & 0xff); | |
1320 | if (index < QLA_MODEL_NAMES) { | |
1321 | strcpy(ha->model_number, | |
1322 | qla2x00_model_name[index]); | |
1323 | ha->model_desc = | |
1324 | qla2x00_model_desc[index]; | |
1325 | } else { | |
1326 | strcpy(ha->model_number, "QLA23xx"); | |
1327 | } | |
1328 | } | |
1329 | } | |
1330 | } else if (IS_QLA2200(ha)) { | |
1331 | nv->firmware_options[0] |= BIT_2; | |
1332 | /* | |
1333 | * 'Point-to-point preferred, else loop' is not a safe | |
1334 | * connection mode setting. | |
1335 | */ | |
1336 | if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == | |
1337 | (BIT_5 | BIT_4)) { | |
1338 | /* Force 'loop preferred, else point-to-point'. */ | |
1339 | nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); | |
1340 | nv->add_firmware_options[0] |= BIT_5; | |
1341 | } | |
1342 | strcpy(ha->model_number, "QLA22xx"); | |
1343 | } else /*if (IS_QLA2100(ha))*/ { | |
1344 | strcpy(ha->model_number, "QLA2100"); | |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * Copy over NVRAM RISC parameter block to initialization control block. | |
1349 | */ | |
1350 | dptr1 = (uint8_t *)icb; | |
1351 | dptr2 = (uint8_t *)&nv->parameter_block_version; | |
1352 | cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; | |
1353 | while (cnt--) | |
1354 | *dptr1++ = *dptr2++; | |
1355 | ||
1356 | /* Copy 2nd half. */ | |
1357 | dptr1 = (uint8_t *)icb->add_firmware_options; | |
1358 | cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; | |
1359 | while (cnt--) | |
1360 | *dptr1++ = *dptr2++; | |
1361 | ||
1362 | /* Prepare nodename */ | |
1363 | if ((icb->firmware_options[1] & BIT_6) == 0) { | |
1364 | /* | |
1365 | * Firmware will apply the following mask if the nodename was | |
1366 | * not provided. | |
1367 | */ | |
1368 | memcpy(icb->node_name, icb->port_name, WWN_SIZE); | |
1369 | icb->node_name[0] &= 0xF0; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * Set host adapter parameters. | |
1374 | */ | |
1375 | ha->nvram_version = nv->nvram_version; | |
1376 | ||
1377 | ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); | |
1378 | /* Always load RISC code on non ISP2[12]00 chips. */ | |
1379 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1380 | ha->flags.disable_risc_code_load = 0; | |
1381 | ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); | |
1382 | ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); | |
1383 | ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); | |
1384 | ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0); | |
1385 | ||
1386 | ha->operating_mode = | |
1387 | (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; | |
1388 | ||
1389 | memcpy(ha->fw_seriallink_options, nv->seriallink_options, | |
1390 | sizeof(ha->fw_seriallink_options)); | |
1391 | ||
1392 | /* save HBA serial number */ | |
1393 | ha->serial0 = icb->port_name[5]; | |
1394 | ha->serial1 = icb->port_name[6]; | |
1395 | ha->serial2 = icb->port_name[7]; | |
1396 | memcpy(ha->node_name, icb->node_name, WWN_SIZE); | |
1397 | ||
1398 | icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); | |
1399 | ||
1400 | ha->retry_count = nv->retry_count; | |
1401 | ||
1402 | /* Set minimum login_timeout to 4 seconds. */ | |
1403 | if (nv->login_timeout < ql2xlogintimeout) | |
1404 | nv->login_timeout = ql2xlogintimeout; | |
1405 | if (nv->login_timeout < 4) | |
1406 | nv->login_timeout = 4; | |
1407 | ha->login_timeout = nv->login_timeout; | |
1408 | icb->login_timeout = nv->login_timeout; | |
1409 | ||
1410 | /* Set minimum RATOV to 200 tenths of a second. */ | |
1411 | ha->r_a_tov = 200; | |
1412 | ||
1413 | ha->minimum_timeout = | |
1414 | (ha->login_timeout * ha->retry_count) + nv->port_down_retry_count; | |
1415 | ha->loop_reset_delay = nv->reset_delay; | |
1416 | ||
1417 | /* Will get the value from NVRAM. */ | |
1418 | ha->loop_down_timeout = LOOP_DOWN_TIMEOUT; | |
1419 | ||
1420 | /* Link Down Timeout = 0: | |
1421 | * | |
1422 | * When Port Down timer expires we will start returning | |
1423 | * I/O's to OS with "DID_NO_CONNECT". | |
1424 | * | |
1425 | * Link Down Timeout != 0: | |
1426 | * | |
1427 | * The driver waits for the link to come up after link down | |
1428 | * before returning I/Os to OS with "DID_NO_CONNECT". | |
1429 | */ | |
1430 | if (nv->link_down_timeout == 0) { | |
1431 | ha->loop_down_abort_time = | |
1432 | (LOOP_DOWN_TIME - ha->loop_down_timeout); | |
1433 | } else { | |
1434 | ha->link_down_timeout = nv->link_down_timeout; | |
1435 | ha->loop_down_abort_time = | |
1436 | (LOOP_DOWN_TIME - ha->link_down_timeout); | |
1437 | } | |
1438 | ||
1439 | ha->max_luns = MAX_LUNS; | |
1440 | ha->max_probe_luns = le16_to_cpu(nv->max_luns_per_target); | |
1441 | if (ha->max_probe_luns == 0) | |
1442 | ha->max_probe_luns = MIN_LUNS; | |
1443 | ||
1444 | /* | |
1445 | * Need enough time to try and get the port back. | |
1446 | */ | |
1447 | ha->port_down_retry_count = nv->port_down_retry_count; | |
1448 | if (qlport_down_retry) | |
1449 | ha->port_down_retry_count = qlport_down_retry; | |
1450 | /* Set login_retry_count */ | |
1451 | ha->login_retry_count = nv->retry_count; | |
1452 | if (ha->port_down_retry_count == nv->port_down_retry_count && | |
1453 | ha->port_down_retry_count > 3) | |
1454 | ha->login_retry_count = ha->port_down_retry_count; | |
1455 | else if (ha->port_down_retry_count > (int)ha->login_retry_count) | |
1456 | ha->login_retry_count = ha->port_down_retry_count; | |
1457 | if (ql2xloginretrycount) | |
1458 | ha->login_retry_count = ql2xloginretrycount; | |
1459 | ||
1460 | ha->binding_type = Bind; | |
1461 | if (ha->binding_type != BIND_BY_PORT_NAME && | |
1462 | ha->binding_type != BIND_BY_PORT_ID) { | |
1463 | qla_printk(KERN_WARNING, ha, | |
1464 | "Invalid binding type specified (%d), " | |
1465 | "defaulting to BIND_BY_PORT_NAME!!!\n", ha->binding_type); | |
1466 | ||
1467 | ha->binding_type = BIND_BY_PORT_NAME; | |
1468 | } | |
1469 | ||
1470 | icb->lun_enables = __constant_cpu_to_le16(0); | |
1471 | icb->command_resource_count = 0; | |
1472 | icb->immediate_notify_resource_count = 0; | |
1473 | icb->timeout = __constant_cpu_to_le16(0); | |
1474 | ||
1475 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1476 | /* Enable RIO */ | |
1477 | icb->firmware_options[0] &= ~BIT_3; | |
1478 | icb->add_firmware_options[0] &= | |
1479 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1480 | icb->add_firmware_options[0] |= BIT_2; | |
1481 | icb->response_accumulation_timer = 3; | |
1482 | icb->interrupt_delay_timer = 5; | |
1483 | ||
1484 | ha->flags.process_response_queue = 1; | |
1485 | } else { | |
1486 | /* Enable ZIO -- Support mode 5 only. */ | |
1487 | timer_mode = icb->add_firmware_options[0] & | |
1488 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1489 | icb->add_firmware_options[0] &= | |
1490 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1491 | if (ql2xenablezio) | |
1492 | timer_mode = BIT_2 | BIT_0; | |
1493 | if (timer_mode == (BIT_2 | BIT_0)) { | |
1494 | DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " | |
1495 | "(%d).\n", ha->host_no, ql2xintrdelaytimer)); | |
1496 | qla_printk(KERN_INFO, ha, | |
1497 | "ZIO enabled; timer delay (%d).\n", | |
1498 | ql2xintrdelaytimer); | |
1499 | ||
1500 | icb->add_firmware_options[0] |= timer_mode; | |
1501 | icb->interrupt_delay_timer = ql2xintrdelaytimer; | |
1502 | ha->flags.process_response_queue = 1; | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | if (rval) { | |
1507 | DEBUG2_3(printk(KERN_WARNING | |
1508 | "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); | |
1509 | } | |
1510 | return (rval); | |
1511 | } | |
1512 | ||
1da177e4 LT |
1513 | /** |
1514 | * qla2x00_alloc_fcport() - Allocate a generic fcport. | |
1515 | * @ha: HA context | |
1516 | * @flags: allocation flags | |
1517 | * | |
1518 | * Returns a pointer to the allocated fcport, or NULL, if none available. | |
1519 | */ | |
1520 | fc_port_t * | |
1521 | qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) | |
1522 | { | |
1523 | fc_port_t *fcport; | |
1524 | ||
1525 | fcport = kmalloc(sizeof(fc_port_t), flags); | |
1526 | if (fcport == NULL) | |
1527 | return (fcport); | |
1528 | ||
1529 | /* Setup fcport template structure. */ | |
1530 | memset(fcport, 0, sizeof (fc_port_t)); | |
1531 | fcport->ha = ha; | |
1532 | fcport->port_type = FCT_UNKNOWN; | |
1533 | fcport->loop_id = FC_NO_LOOP_ID; | |
1534 | fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; | |
1535 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
1536 | fcport->flags = FCF_RLC_SUPPORT; | |
1da177e4 LT |
1537 | |
1538 | return (fcport); | |
1539 | } | |
1540 | ||
1541 | /* | |
1542 | * qla2x00_configure_loop | |
1543 | * Updates Fibre Channel Device Database with what is actually on loop. | |
1544 | * | |
1545 | * Input: | |
1546 | * ha = adapter block pointer. | |
1547 | * | |
1548 | * Returns: | |
1549 | * 0 = success. | |
1550 | * 1 = error. | |
1551 | * 2 = database was full and device was not configured. | |
1552 | */ | |
1553 | static int | |
1554 | qla2x00_configure_loop(scsi_qla_host_t *ha) | |
1555 | { | |
1556 | int rval; | |
1557 | unsigned long flags, save_flags; | |
1558 | ||
1559 | rval = QLA_SUCCESS; | |
1560 | ||
1561 | /* Get Initiator ID */ | |
1562 | if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { | |
1563 | rval = qla2x00_configure_hba(ha); | |
1564 | if (rval != QLA_SUCCESS) { | |
1565 | DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", | |
1566 | ha->host_no)); | |
1567 | return (rval); | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | save_flags = flags = ha->dpc_flags; | |
1572 | DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", | |
1573 | ha->host_no, flags)); | |
1574 | ||
1575 | /* | |
1576 | * If we have both an RSCN and PORT UPDATE pending then handle them | |
1577 | * both at the same time. | |
1578 | */ | |
1579 | clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1580 | clear_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1581 | ha->mem_err = 0 ; | |
1582 | ||
1583 | /* Determine what we need to do */ | |
1584 | if (ha->current_topology == ISP_CFG_FL && | |
1585 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1586 | ||
1587 | ha->flags.rscn_queue_overflow = 1; | |
1588 | set_bit(RSCN_UPDATE, &flags); | |
1589 | ||
1590 | } else if (ha->current_topology == ISP_CFG_F && | |
1591 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1592 | ||
1593 | ha->flags.rscn_queue_overflow = 1; | |
1594 | set_bit(RSCN_UPDATE, &flags); | |
1595 | clear_bit(LOCAL_LOOP_UPDATE, &flags); | |
1596 | ||
1597 | } else if (!ha->flags.online || | |
1598 | (test_bit(ABORT_ISP_ACTIVE, &flags))) { | |
1599 | ||
1600 | ha->flags.rscn_queue_overflow = 1; | |
1601 | set_bit(RSCN_UPDATE, &flags); | |
1602 | set_bit(LOCAL_LOOP_UPDATE, &flags); | |
1603 | } | |
1604 | ||
1605 | if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { | |
1606 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1607 | rval = QLA_FUNCTION_FAILED; | |
1608 | } else { | |
1609 | rval = qla2x00_configure_local_loop(ha); | |
1610 | } | |
1611 | } | |
1612 | ||
1613 | if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { | |
1614 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1615 | rval = QLA_FUNCTION_FAILED; | |
1616 | } else { | |
1617 | rval = qla2x00_configure_fabric(ha); | |
1618 | } | |
1619 | } | |
1620 | ||
1621 | if (rval == QLA_SUCCESS) { | |
1622 | if (atomic_read(&ha->loop_down_timer) || | |
1623 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1624 | rval = QLA_FUNCTION_FAILED; | |
1625 | } else { | |
1da177e4 LT |
1626 | atomic_set(&ha->loop_state, LOOP_READY); |
1627 | ||
1628 | DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); | |
1629 | } | |
1630 | } | |
1631 | ||
1632 | if (rval) { | |
1633 | DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", | |
1634 | __func__, ha->host_no)); | |
1635 | } else { | |
1636 | DEBUG3(printk("%s: exiting normally\n", __func__)); | |
1637 | } | |
1638 | ||
1639 | /* Restore state if a resync event occured during processing */ | |
1640 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1641 | if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) | |
1642 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1643 | if (test_bit(RSCN_UPDATE, &save_flags)) | |
1644 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1645 | } | |
1646 | ||
1647 | return (rval); | |
1648 | } | |
1649 | ||
1650 | ||
1651 | ||
1652 | /* | |
1653 | * qla2x00_configure_local_loop | |
1654 | * Updates Fibre Channel Device Database with local loop devices. | |
1655 | * | |
1656 | * Input: | |
1657 | * ha = adapter block pointer. | |
1658 | * | |
1659 | * Returns: | |
1660 | * 0 = success. | |
1661 | */ | |
1662 | static int | |
1663 | qla2x00_configure_local_loop(scsi_qla_host_t *ha) | |
1664 | { | |
1665 | int rval, rval2; | |
1666 | int found_devs; | |
1667 | int found; | |
1668 | fc_port_t *fcport, *new_fcport; | |
1669 | ||
1670 | uint16_t index; | |
1671 | uint16_t entries; | |
1672 | char *id_iter; | |
1673 | uint16_t loop_id; | |
1674 | uint8_t domain, area, al_pa; | |
1675 | ||
1676 | found_devs = 0; | |
1677 | new_fcport = NULL; | |
1678 | entries = MAX_FIBRE_DEVICES; | |
1679 | ||
1680 | DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); | |
1681 | DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); | |
1682 | ||
1683 | /* Get list of logged in devices. */ | |
1684 | memset(ha->gid_list, 0, GID_LIST_SIZE); | |
1685 | rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, | |
1686 | &entries); | |
1687 | if (rval != QLA_SUCCESS) | |
1688 | goto cleanup_allocation; | |
1689 | ||
1690 | DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", | |
1691 | ha->host_no, entries)); | |
1692 | DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, | |
1693 | entries * sizeof(struct gid_list_info))); | |
1694 | ||
1695 | /* Allocate temporary fcport for any new fcports discovered. */ | |
1696 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1697 | if (new_fcport == NULL) { | |
1698 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1699 | goto cleanup_allocation; | |
1700 | } | |
1701 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1702 | ||
1703 | /* | |
1704 | * Mark local devices that were present with FCF_DEVICE_LOST for now. | |
1705 | */ | |
1706 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1707 | if (atomic_read(&fcport->state) == FCS_ONLINE && | |
1708 | fcport->port_type != FCT_BROADCAST && | |
1709 | (fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
1710 | ||
1711 | DEBUG(printk("scsi(%ld): Marking port lost, " | |
1712 | "loop_id=0x%04x\n", | |
1713 | ha->host_no, fcport->loop_id)); | |
1714 | ||
1715 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1716 | fcport->flags &= ~FCF_FARP_DONE; | |
1717 | } | |
1718 | } | |
1719 | ||
1720 | /* Add devices to port list. */ | |
1721 | id_iter = (char *)ha->gid_list; | |
1722 | for (index = 0; index < entries; index++) { | |
1723 | domain = ((struct gid_list_info *)id_iter)->domain; | |
1724 | area = ((struct gid_list_info *)id_iter)->area; | |
1725 | al_pa = ((struct gid_list_info *)id_iter)->al_pa; | |
1726 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1727 | loop_id = (uint16_t) | |
1728 | ((struct gid_list_info *)id_iter)->loop_id_2100; | |
1729 | id_iter += 4; | |
1730 | } else { | |
1731 | loop_id = le16_to_cpu( | |
1732 | ((struct gid_list_info *)id_iter)->loop_id); | |
1733 | id_iter += 6; | |
1734 | } | |
1735 | ||
1736 | /* Bypass reserved domain fields. */ | |
1737 | if ((domain & 0xf0) == 0xf0) | |
1738 | continue; | |
1739 | ||
1740 | /* Bypass if not same domain and area of adapter. */ | |
1741 | if (area != ha->d_id.b.area || domain != ha->d_id.b.domain) | |
1742 | continue; | |
1743 | ||
1744 | /* Bypass invalid local loop ID. */ | |
1745 | if (loop_id > LAST_LOCAL_LOOP_ID) | |
1746 | continue; | |
1747 | ||
1748 | /* Fill in member data. */ | |
1749 | new_fcport->d_id.b.domain = domain; | |
1750 | new_fcport->d_id.b.area = area; | |
1751 | new_fcport->d_id.b.al_pa = al_pa; | |
1752 | new_fcport->loop_id = loop_id; | |
1753 | rval2 = qla2x00_get_port_database(ha, new_fcport, 0); | |
1754 | if (rval2 != QLA_SUCCESS) { | |
1755 | DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " | |
1756 | "information -- get_port_database=%x, " | |
1757 | "loop_id=0x%04x\n", | |
1758 | ha->host_no, rval2, new_fcport->loop_id)); | |
1759 | continue; | |
1760 | } | |
1761 | ||
1762 | /* Check for matching device in port list. */ | |
1763 | found = 0; | |
1764 | fcport = NULL; | |
1765 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1766 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
1767 | WWN_SIZE)) | |
1768 | continue; | |
1769 | ||
1770 | fcport->flags &= ~(FCF_FABRIC_DEVICE | | |
1771 | FCF_PERSISTENT_BOUND); | |
1772 | fcport->loop_id = new_fcport->loop_id; | |
1773 | fcport->port_type = new_fcport->port_type; | |
1774 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
1775 | memcpy(fcport->node_name, new_fcport->node_name, | |
1776 | WWN_SIZE); | |
1777 | ||
1778 | found++; | |
1779 | break; | |
1780 | } | |
1781 | ||
1782 | if (!found) { | |
1783 | /* New device, add to fcports list. */ | |
1784 | new_fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
1785 | list_add_tail(&new_fcport->list, &ha->fcports); | |
1786 | ||
1787 | /* Allocate a new replacement fcport. */ | |
1788 | fcport = new_fcport; | |
1789 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1790 | if (new_fcport == NULL) { | |
1791 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1792 | goto cleanup_allocation; | |
1793 | } | |
1794 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1795 | } | |
1796 | ||
1797 | qla2x00_update_fcport(ha, fcport); | |
1798 | ||
1799 | found_devs++; | |
1800 | } | |
1801 | ||
1802 | cleanup_allocation: | |
1803 | if (new_fcport) | |
1804 | kfree(new_fcport); | |
1805 | ||
1806 | if (rval != QLA_SUCCESS) { | |
1807 | DEBUG2(printk("scsi(%ld): Configure local loop error exit: " | |
1808 | "rval=%x\n", ha->host_no, rval)); | |
1809 | } | |
1810 | ||
1811 | if (found_devs) { | |
1812 | ha->device_flags |= DFLG_LOCAL_DEVICES; | |
1813 | ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; | |
1814 | } | |
1815 | ||
1816 | return (rval); | |
1817 | } | |
1818 | ||
1819 | static void | |
1820 | qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) | |
1821 | { | |
1822 | fc_port_t *fcport; | |
1823 | ||
1824 | qla2x00_mark_all_devices_lost(ha); | |
1825 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1826 | if (fcport->port_type != FCT_TARGET) | |
1827 | continue; | |
1828 | ||
1829 | qla2x00_update_fcport(ha, fcport); | |
1830 | } | |
1831 | } | |
1832 | ||
1833 | /* | |
1834 | * qla2x00_update_fcport | |
1835 | * Updates device on list. | |
1836 | * | |
1837 | * Input: | |
1838 | * ha = adapter block pointer. | |
1839 | * fcport = port structure pointer. | |
1840 | * | |
1841 | * Return: | |
1842 | * 0 - Success | |
1843 | * BIT_0 - error | |
1844 | * | |
1845 | * Context: | |
1846 | * Kernel context. | |
1847 | */ | |
1848 | static void | |
1849 | qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1850 | { | |
1851 | uint16_t index; | |
1852 | unsigned long flags; | |
1853 | srb_t *sp; | |
1854 | ||
1855 | fcport->ha = ha; | |
1856 | fcport->login_retry = 0; | |
1857 | fcport->port_login_retry_count = ha->port_down_retry_count * | |
1858 | PORT_RETRY_TIME; | |
1859 | atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * | |
1860 | PORT_RETRY_TIME); | |
1861 | fcport->flags &= ~FCF_LOGIN_NEEDED; | |
1862 | ||
1863 | /* | |
1864 | * Check for outstanding cmd on tape Bypass LUN discovery if active | |
1865 | * command on tape. | |
1866 | */ | |
1867 | if (fcport->flags & FCF_TAPE_PRESENT) { | |
1868 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1869 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
bdf79621 | 1870 | fc_port_t *sfcp; |
1871 | ||
1da177e4 | 1872 | if ((sp = ha->outstanding_cmds[index]) != 0) { |
bdf79621 | 1873 | sfcp = sp->fcport; |
1874 | if (sfcp == fcport) { | |
1da177e4 LT |
1875 | atomic_set(&fcport->state, FCS_ONLINE); |
1876 | spin_unlock_irqrestore( | |
1877 | &ha->hardware_lock, flags); | |
1878 | return; | |
1879 | } | |
1880 | } | |
1881 | } | |
1882 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1883 | } | |
1884 | ||
1da177e4 | 1885 | if (fcport->port_type == FCT_INITIATOR || |
bdf79621 | 1886 | fcport->port_type == FCT_BROADCAST) |
1da177e4 | 1887 | fcport->device_type = TYPE_PROCESSOR; |
bdf79621 | 1888 | |
1da177e4 | 1889 | atomic_set(&fcport->state, FCS_ONLINE); |
bdf79621 | 1890 | |
8482e118 | 1891 | if (ha->flags.init_done) |
1892 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1893 | } |
1894 | ||
8482e118 | 1895 | void |
1896 | qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1897 | { | |
1898 | struct fc_rport_identifiers rport_ids; | |
bdf79621 | 1899 | struct fc_rport *rport; |
8482e118 | 1900 | |
1901 | if (fcport->rport) { | |
1902 | fc_remote_port_unblock(fcport->rport); | |
1903 | return; | |
1904 | } | |
1905 | ||
1906 | rport_ids.node_name = be64_to_cpu(*(uint64_t *)fcport->node_name); | |
1907 | rport_ids.port_name = be64_to_cpu(*(uint64_t *)fcport->port_name); | |
1908 | rport_ids.port_id = fcport->d_id.b.domain << 16 | | |
1909 | fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; | |
1910 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
1911 | if (fcport->port_type == FCT_INITIATOR) | |
1912 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1913 | if (fcport->port_type == FCT_TARGET) | |
1914 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1915 | ||
bdf79621 | 1916 | fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); |
1917 | if (!rport) | |
8482e118 | 1918 | qla_printk(KERN_WARNING, ha, |
1919 | "Unable to allocate fc remote port!\n"); | |
1da177e4 | 1920 | |
bdf79621 | 1921 | if (rport->scsi_target_id != -1 && rport->scsi_target_id < MAX_TARGETS) |
1922 | fcport->os_target_id = rport->scsi_target_id; | |
1da177e4 | 1923 | |
bdf79621 | 1924 | rport->dd_data = fcport; |
1da177e4 LT |
1925 | } |
1926 | ||
1da177e4 LT |
1927 | /* |
1928 | * qla2x00_configure_fabric | |
1929 | * Setup SNS devices with loop ID's. | |
1930 | * | |
1931 | * Input: | |
1932 | * ha = adapter block pointer. | |
1933 | * | |
1934 | * Returns: | |
1935 | * 0 = success. | |
1936 | * BIT_0 = error | |
1937 | */ | |
1938 | static int | |
1939 | qla2x00_configure_fabric(scsi_qla_host_t *ha) | |
1940 | { | |
1941 | int rval, rval2; | |
1942 | fc_port_t *fcport, *fcptemp; | |
1943 | uint16_t next_loopid; | |
1944 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1945 | LIST_HEAD(new_fcports); | |
1946 | ||
1947 | /* If FL port exists, then SNS is present */ | |
1948 | rval = qla2x00_get_port_name(ha, SNS_FL_PORT, NULL, 0); | |
1949 | if (rval != QLA_SUCCESS) { | |
1950 | DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " | |
1951 | "Port\n", ha->host_no)); | |
1952 | ||
1953 | ha->device_flags &= ~SWITCH_FOUND; | |
1954 | return (QLA_SUCCESS); | |
1955 | } | |
1956 | ||
1957 | /* Mark devices that need re-synchronization. */ | |
1958 | rval2 = qla2x00_device_resync(ha); | |
1959 | if (rval2 == QLA_RSCNS_HANDLED) { | |
1960 | /* No point doing the scan, just continue. */ | |
1961 | return (QLA_SUCCESS); | |
1962 | } | |
1963 | do { | |
1964 | /* Ensure we are logged into the SNS. */ | |
1965 | qla2x00_login_fabric(ha, SIMPLE_NAME_SERVER, 0xff, 0xff, 0xfc, | |
1966 | mb, BIT_1 | BIT_0); | |
1967 | if (mb[0] != MBS_COMMAND_COMPLETE) { | |
1968 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1969 | "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " | |
1970 | "mb[2]=%x mb[6]=%x mb[7]=%x\n", SIMPLE_NAME_SERVER, | |
1971 | mb[0], mb[1], mb[2], mb[6], mb[7])); | |
1972 | return (QLA_SUCCESS); | |
1973 | } | |
1974 | ||
1975 | if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { | |
1976 | if (qla2x00_rft_id(ha)) { | |
1977 | /* EMPTY */ | |
1978 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
1979 | "TYPE failed.\n", ha->host_no)); | |
1980 | } | |
1981 | if (qla2x00_rff_id(ha)) { | |
1982 | /* EMPTY */ | |
1983 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
1984 | "Features failed.\n", ha->host_no)); | |
1985 | } | |
1986 | if (qla2x00_rnn_id(ha)) { | |
1987 | /* EMPTY */ | |
1988 | DEBUG2(printk("scsi(%ld): Register Node Name " | |
1989 | "failed.\n", ha->host_no)); | |
1990 | } else if (qla2x00_rsnn_nn(ha)) { | |
1991 | /* EMPTY */ | |
1992 | DEBUG2(printk("scsi(%ld): Register Symbolic " | |
1993 | "Node Name failed.\n", ha->host_no)); | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); | |
1998 | if (rval != QLA_SUCCESS) | |
1999 | break; | |
2000 | ||
2001 | /* | |
2002 | * Logout all previous fabric devices marked lost, except | |
2003 | * tape devices. | |
2004 | */ | |
2005 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2006 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2007 | break; | |
2008 | ||
2009 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) | |
2010 | continue; | |
2011 | ||
2012 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2013 | qla2x00_mark_device_lost(ha, fcport, | |
2014 | ql2xplogiabsentdevice); | |
2015 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2016 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2017 | fcport->port_type != FCT_INITIATOR && | |
2018 | fcport->port_type != FCT_BROADCAST) { | |
2019 | ||
2020 | qla2x00_fabric_logout(ha, | |
2021 | fcport->loop_id); | |
2022 | fcport->loop_id = FC_NO_LOOP_ID; | |
2023 | } | |
2024 | } | |
2025 | } | |
2026 | ||
2027 | /* Starting free loop ID. */ | |
2028 | next_loopid = ha->min_external_loopid; | |
2029 | ||
2030 | /* | |
2031 | * Scan through our port list and login entries that need to be | |
2032 | * logged in. | |
2033 | */ | |
2034 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2035 | if (atomic_read(&ha->loop_down_timer) || | |
2036 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2037 | break; | |
2038 | ||
2039 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2040 | (fcport->flags & FCF_LOGIN_NEEDED) == 0) | |
2041 | continue; | |
2042 | ||
2043 | if (fcport->loop_id == FC_NO_LOOP_ID) { | |
2044 | fcport->loop_id = next_loopid; | |
2045 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2046 | if (rval != QLA_SUCCESS) { | |
2047 | /* Ran out of IDs to use */ | |
2048 | break; | |
2049 | } | |
2050 | } | |
2051 | ||
2052 | /* Login and update database */ | |
2053 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2054 | } | |
2055 | ||
2056 | /* Exit if out of loop IDs. */ | |
2057 | if (rval != QLA_SUCCESS) { | |
2058 | break; | |
2059 | } | |
2060 | ||
2061 | /* | |
2062 | * Login and add the new devices to our port list. | |
2063 | */ | |
2064 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2065 | if (atomic_read(&ha->loop_down_timer) || | |
2066 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2067 | break; | |
2068 | ||
2069 | /* Find a new loop ID to use. */ | |
2070 | fcport->loop_id = next_loopid; | |
2071 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2072 | if (rval != QLA_SUCCESS) { | |
2073 | /* Ran out of IDs to use */ | |
2074 | break; | |
2075 | } | |
2076 | ||
1da177e4 LT |
2077 | /* Remove device from the new list and add it to DB */ |
2078 | list_del(&fcport->list); | |
2079 | list_add_tail(&fcport->list, &ha->fcports); | |
bdf79621 | 2080 | |
2081 | /* Login and update database */ | |
2082 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
1da177e4 LT |
2083 | } |
2084 | } while (0); | |
2085 | ||
2086 | /* Free all new device structures not processed. */ | |
2087 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2088 | list_del(&fcport->list); | |
2089 | kfree(fcport); | |
2090 | } | |
2091 | ||
2092 | if (rval) { | |
2093 | DEBUG2(printk("scsi(%ld): Configure fabric error exit: " | |
2094 | "rval=%d\n", ha->host_no, rval)); | |
2095 | } | |
2096 | ||
2097 | return (rval); | |
2098 | } | |
2099 | ||
2100 | ||
2101 | /* | |
2102 | * qla2x00_find_all_fabric_devs | |
2103 | * | |
2104 | * Input: | |
2105 | * ha = adapter block pointer. | |
2106 | * dev = database device entry pointer. | |
2107 | * | |
2108 | * Returns: | |
2109 | * 0 = success. | |
2110 | * | |
2111 | * Context: | |
2112 | * Kernel context. | |
2113 | */ | |
2114 | static int | |
2115 | qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) | |
2116 | { | |
2117 | int rval; | |
2118 | uint16_t loop_id; | |
2119 | fc_port_t *fcport, *new_fcport, *fcptemp; | |
2120 | int found; | |
2121 | ||
2122 | sw_info_t *swl; | |
2123 | int swl_idx; | |
2124 | int first_dev, last_dev; | |
2125 | port_id_t wrap, nxt_d_id; | |
2126 | ||
2127 | rval = QLA_SUCCESS; | |
2128 | ||
2129 | /* Try GID_PT to get device list, else GAN. */ | |
2130 | swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); | |
2131 | if (swl == NULL) { | |
2132 | /*EMPTY*/ | |
2133 | DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " | |
2134 | "on GA_NXT\n", ha->host_no)); | |
2135 | } else { | |
2136 | memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); | |
2137 | if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { | |
2138 | kfree(swl); | |
2139 | swl = NULL; | |
2140 | } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { | |
2141 | kfree(swl); | |
2142 | swl = NULL; | |
2143 | } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { | |
2144 | kfree(swl); | |
2145 | swl = NULL; | |
2146 | } | |
2147 | } | |
2148 | swl_idx = 0; | |
2149 | ||
2150 | /* Allocate temporary fcport for any new fcports discovered. */ | |
2151 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2152 | if (new_fcport == NULL) { | |
2153 | if (swl) | |
2154 | kfree(swl); | |
2155 | return (QLA_MEMORY_ALLOC_FAILED); | |
2156 | } | |
2157 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2158 | ||
2159 | /* Set start port ID scan at adapter ID. */ | |
2160 | first_dev = 1; | |
2161 | last_dev = 0; | |
2162 | ||
2163 | /* Starting free loop ID. */ | |
2164 | loop_id = ha->min_external_loopid; | |
2165 | ||
2166 | for (; loop_id <= ha->last_loop_id; loop_id++) { | |
2167 | if (RESERVED_LOOP_ID(loop_id)) | |
2168 | continue; | |
2169 | ||
2170 | if (atomic_read(&ha->loop_down_timer) || | |
2171 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2172 | break; | |
2173 | ||
2174 | if (swl != NULL) { | |
2175 | if (last_dev) { | |
2176 | wrap.b24 = new_fcport->d_id.b24; | |
2177 | } else { | |
2178 | new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; | |
2179 | memcpy(new_fcport->node_name, | |
2180 | swl[swl_idx].node_name, WWN_SIZE); | |
2181 | memcpy(new_fcport->port_name, | |
2182 | swl[swl_idx].port_name, WWN_SIZE); | |
2183 | ||
2184 | if (swl[swl_idx].d_id.b.rsvd_1 != 0) { | |
2185 | last_dev = 1; | |
2186 | } | |
2187 | swl_idx++; | |
2188 | } | |
2189 | } else { | |
2190 | /* Send GA_NXT to the switch */ | |
2191 | rval = qla2x00_ga_nxt(ha, new_fcport); | |
2192 | if (rval != QLA_SUCCESS) { | |
2193 | qla_printk(KERN_WARNING, ha, | |
2194 | "SNS scan failed -- assuming zero-entry " | |
2195 | "result...\n"); | |
2196 | list_for_each_entry_safe(fcport, fcptemp, | |
2197 | new_fcports, list) { | |
2198 | list_del(&fcport->list); | |
2199 | kfree(fcport); | |
2200 | } | |
2201 | rval = QLA_SUCCESS; | |
2202 | break; | |
2203 | } | |
2204 | } | |
2205 | ||
2206 | /* If wrap on switch device list, exit. */ | |
2207 | if (first_dev) { | |
2208 | wrap.b24 = new_fcport->d_id.b24; | |
2209 | first_dev = 0; | |
2210 | } else if (new_fcport->d_id.b24 == wrap.b24) { | |
2211 | DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", | |
2212 | ha->host_no, new_fcport->d_id.b.domain, | |
2213 | new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); | |
2214 | break; | |
2215 | } | |
2216 | ||
2217 | /* Bypass if host adapter. */ | |
2218 | if (new_fcport->d_id.b24 == ha->d_id.b24) | |
2219 | continue; | |
2220 | ||
2221 | /* Bypass reserved domain fields. */ | |
2222 | if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) | |
2223 | continue; | |
2224 | ||
2225 | /* Locate matching device in database. */ | |
2226 | found = 0; | |
2227 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2228 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
2229 | WWN_SIZE)) | |
2230 | continue; | |
2231 | ||
2232 | found++; | |
2233 | ||
2234 | /* | |
2235 | * If address the same and state FCS_ONLINE, nothing | |
2236 | * changed. | |
2237 | */ | |
2238 | if (fcport->d_id.b24 == new_fcport->d_id.b24 && | |
2239 | atomic_read(&fcport->state) == FCS_ONLINE) { | |
2240 | break; | |
2241 | } | |
2242 | ||
2243 | /* | |
2244 | * If device was not a fabric device before. | |
2245 | */ | |
2246 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
2247 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2248 | fcport->loop_id = FC_NO_LOOP_ID; | |
2249 | fcport->flags |= (FCF_FABRIC_DEVICE | | |
2250 | FCF_LOGIN_NEEDED); | |
2251 | fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
2252 | break; | |
2253 | } | |
2254 | ||
2255 | /* | |
2256 | * Port ID changed or device was marked to be updated; | |
2257 | * Log it out if still logged in and mark it for | |
2258 | * relogin later. | |
2259 | */ | |
2260 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2261 | fcport->flags |= FCF_LOGIN_NEEDED; | |
2262 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2263 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2264 | fcport->port_type != FCT_INITIATOR && | |
2265 | fcport->port_type != FCT_BROADCAST) { | |
2266 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2267 | fcport->loop_id = FC_NO_LOOP_ID; | |
2268 | } | |
2269 | ||
2270 | break; | |
2271 | } | |
2272 | ||
2273 | if (found) | |
2274 | continue; | |
2275 | ||
2276 | /* If device was not in our fcports list, then add it. */ | |
2277 | list_add_tail(&new_fcport->list, new_fcports); | |
2278 | ||
2279 | /* Allocate a new replacement fcport. */ | |
2280 | nxt_d_id.b24 = new_fcport->d_id.b24; | |
2281 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2282 | if (new_fcport == NULL) { | |
2283 | if (swl) | |
2284 | kfree(swl); | |
2285 | return (QLA_MEMORY_ALLOC_FAILED); | |
2286 | } | |
2287 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2288 | new_fcport->d_id.b24 = nxt_d_id.b24; | |
2289 | } | |
2290 | ||
2291 | if (swl) | |
2292 | kfree(swl); | |
2293 | ||
2294 | if (new_fcport) | |
2295 | kfree(new_fcport); | |
2296 | ||
2297 | if (!list_empty(new_fcports)) | |
2298 | ha->device_flags |= DFLG_FABRIC_DEVICES; | |
2299 | ||
2300 | return (rval); | |
2301 | } | |
2302 | ||
2303 | /* | |
2304 | * qla2x00_find_new_loop_id | |
2305 | * Scan through our port list and find a new usable loop ID. | |
2306 | * | |
2307 | * Input: | |
2308 | * ha: adapter state pointer. | |
2309 | * dev: port structure pointer. | |
2310 | * | |
2311 | * Returns: | |
2312 | * qla2x00 local function return status code. | |
2313 | * | |
2314 | * Context: | |
2315 | * Kernel context. | |
2316 | */ | |
2317 | int | |
2318 | qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) | |
2319 | { | |
2320 | int rval; | |
2321 | int found; | |
2322 | fc_port_t *fcport; | |
2323 | uint16_t first_loop_id; | |
2324 | ||
2325 | rval = QLA_SUCCESS; | |
2326 | ||
2327 | /* Save starting loop ID. */ | |
2328 | first_loop_id = dev->loop_id; | |
2329 | ||
2330 | for (;;) { | |
2331 | /* Skip loop ID if already used by adapter. */ | |
2332 | if (dev->loop_id == ha->loop_id) { | |
2333 | dev->loop_id++; | |
2334 | } | |
2335 | ||
2336 | /* Skip reserved loop IDs. */ | |
2337 | while (RESERVED_LOOP_ID(dev->loop_id)) { | |
2338 | dev->loop_id++; | |
2339 | } | |
2340 | ||
2341 | /* Reset loop ID if passed the end. */ | |
2342 | if (dev->loop_id > ha->last_loop_id) { | |
2343 | /* first loop ID. */ | |
2344 | dev->loop_id = ha->min_external_loopid; | |
2345 | } | |
2346 | ||
2347 | /* Check for loop ID being already in use. */ | |
2348 | found = 0; | |
2349 | fcport = NULL; | |
2350 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2351 | if (fcport->loop_id == dev->loop_id && fcport != dev) { | |
2352 | /* ID possibly in use */ | |
2353 | found++; | |
2354 | break; | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | /* If not in use then it is free to use. */ | |
2359 | if (!found) { | |
2360 | break; | |
2361 | } | |
2362 | ||
2363 | /* ID in use. Try next value. */ | |
2364 | dev->loop_id++; | |
2365 | ||
2366 | /* If wrap around. No free ID to use. */ | |
2367 | if (dev->loop_id == first_loop_id) { | |
2368 | dev->loop_id = FC_NO_LOOP_ID; | |
2369 | rval = QLA_FUNCTION_FAILED; | |
2370 | break; | |
2371 | } | |
2372 | } | |
2373 | ||
2374 | return (rval); | |
2375 | } | |
2376 | ||
2377 | /* | |
2378 | * qla2x00_device_resync | |
2379 | * Marks devices in the database that needs resynchronization. | |
2380 | * | |
2381 | * Input: | |
2382 | * ha = adapter block pointer. | |
2383 | * | |
2384 | * Context: | |
2385 | * Kernel context. | |
2386 | */ | |
2387 | static int | |
2388 | qla2x00_device_resync(scsi_qla_host_t *ha) | |
2389 | { | |
2390 | int rval; | |
2391 | int rval2; | |
2392 | uint32_t mask; | |
2393 | fc_port_t *fcport; | |
2394 | uint32_t rscn_entry; | |
2395 | uint8_t rscn_out_iter; | |
2396 | uint8_t format; | |
2397 | port_id_t d_id; | |
2398 | ||
2399 | rval = QLA_RSCNS_HANDLED; | |
2400 | ||
2401 | while (ha->rscn_out_ptr != ha->rscn_in_ptr || | |
2402 | ha->flags.rscn_queue_overflow) { | |
2403 | ||
2404 | rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; | |
2405 | format = MSB(MSW(rscn_entry)); | |
2406 | d_id.b.domain = LSB(MSW(rscn_entry)); | |
2407 | d_id.b.area = MSB(LSW(rscn_entry)); | |
2408 | d_id.b.al_pa = LSB(LSW(rscn_entry)); | |
2409 | ||
2410 | DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " | |
2411 | "[%02x/%02x%02x%02x].\n", | |
2412 | ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, | |
2413 | d_id.b.area, d_id.b.al_pa)); | |
2414 | ||
2415 | ha->rscn_out_ptr++; | |
2416 | if (ha->rscn_out_ptr == MAX_RSCN_COUNT) | |
2417 | ha->rscn_out_ptr = 0; | |
2418 | ||
2419 | /* Skip duplicate entries. */ | |
2420 | for (rscn_out_iter = ha->rscn_out_ptr; | |
2421 | !ha->flags.rscn_queue_overflow && | |
2422 | rscn_out_iter != ha->rscn_in_ptr; | |
2423 | rscn_out_iter = (rscn_out_iter == | |
2424 | (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { | |
2425 | ||
2426 | if (rscn_entry != ha->rscn_queue[rscn_out_iter]) | |
2427 | break; | |
2428 | ||
2429 | DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " | |
2430 | "entry found at [%d].\n", ha->host_no, | |
2431 | rscn_out_iter)); | |
2432 | ||
2433 | ha->rscn_out_ptr = rscn_out_iter; | |
2434 | } | |
2435 | ||
2436 | /* Queue overflow, set switch default case. */ | |
2437 | if (ha->flags.rscn_queue_overflow) { | |
2438 | DEBUG(printk("scsi(%ld): device_resync: rscn " | |
2439 | "overflow.\n", ha->host_no)); | |
2440 | ||
2441 | format = 3; | |
2442 | ha->flags.rscn_queue_overflow = 0; | |
2443 | } | |
2444 | ||
2445 | switch (format) { | |
2446 | case 0: | |
2447 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && | |
2448 | !IS_QLA6312(ha) && !IS_QLA6322(ha) && | |
2449 | ha->flags.init_done) { | |
2450 | /* Handle port RSCN via asyncronous IOCBs */ | |
2451 | rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, | |
2452 | NULL, 0); | |
2453 | if (rval2 == QLA_SUCCESS) | |
2454 | continue; | |
2455 | } | |
2456 | mask = 0xffffff; | |
2457 | break; | |
2458 | case 1: | |
2459 | mask = 0xffff00; | |
2460 | break; | |
2461 | case 2: | |
2462 | mask = 0xff0000; | |
2463 | break; | |
2464 | default: | |
2465 | mask = 0x0; | |
2466 | d_id.b24 = 0; | |
2467 | ha->rscn_out_ptr = ha->rscn_in_ptr; | |
2468 | break; | |
2469 | } | |
2470 | ||
2471 | rval = QLA_SUCCESS; | |
2472 | ||
2473 | /* Abort any outstanding IO descriptors. */ | |
2474 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
2475 | qla2x00_cancel_io_descriptors(ha); | |
2476 | ||
2477 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2478 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2479 | (fcport->d_id.b24 & mask) != d_id.b24 || | |
2480 | fcport->port_type == FCT_BROADCAST) | |
2481 | continue; | |
2482 | ||
2483 | if (atomic_read(&fcport->state) == FCS_ONLINE) { | |
2484 | if (format != 3 || | |
2485 | fcport->port_type != FCT_INITIATOR) { | |
8482e118 | 2486 | qla2x00_mark_device_lost(ha, fcport, 0); |
1da177e4 LT |
2487 | } |
2488 | } | |
2489 | fcport->flags &= ~FCF_FARP_DONE; | |
2490 | } | |
2491 | } | |
2492 | return (rval); | |
2493 | } | |
2494 | ||
2495 | /* | |
2496 | * qla2x00_fabric_dev_login | |
2497 | * Login fabric target device and update FC port database. | |
2498 | * | |
2499 | * Input: | |
2500 | * ha: adapter state pointer. | |
2501 | * fcport: port structure list pointer. | |
2502 | * next_loopid: contains value of a new loop ID that can be used | |
2503 | * by the next login attempt. | |
2504 | * | |
2505 | * Returns: | |
2506 | * qla2x00 local function return status code. | |
2507 | * | |
2508 | * Context: | |
2509 | * Kernel context. | |
2510 | */ | |
2511 | static int | |
2512 | qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2513 | uint16_t *next_loopid) | |
2514 | { | |
2515 | int rval; | |
2516 | int retry; | |
2517 | ||
2518 | rval = QLA_SUCCESS; | |
2519 | retry = 0; | |
2520 | ||
2521 | rval = qla2x00_fabric_login(ha, fcport, next_loopid); | |
2522 | if (rval == QLA_SUCCESS) { | |
2523 | rval = qla2x00_get_port_database(ha, fcport, 0); | |
2524 | if (rval != QLA_SUCCESS) { | |
2525 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2526 | } else { | |
2527 | qla2x00_update_fcport(ha, fcport); | |
2528 | } | |
2529 | } | |
2530 | ||
2531 | return (rval); | |
2532 | } | |
2533 | ||
2534 | /* | |
2535 | * qla2x00_fabric_login | |
2536 | * Issue fabric login command. | |
2537 | * | |
2538 | * Input: | |
2539 | * ha = adapter block pointer. | |
2540 | * device = pointer to FC device type structure. | |
2541 | * | |
2542 | * Returns: | |
2543 | * 0 - Login successfully | |
2544 | * 1 - Login failed | |
2545 | * 2 - Initiator device | |
2546 | * 3 - Fatal error | |
2547 | */ | |
2548 | int | |
2549 | qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2550 | uint16_t *next_loopid) | |
2551 | { | |
2552 | int rval; | |
2553 | int retry; | |
2554 | uint16_t tmp_loopid; | |
2555 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2556 | ||
2557 | retry = 0; | |
2558 | tmp_loopid = 0; | |
2559 | ||
2560 | for (;;) { | |
2561 | DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " | |
2562 | "for port %02x%02x%02x.\n", | |
2563 | ha->host_no, fcport->loop_id, fcport->d_id.b.domain, | |
2564 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2565 | ||
2566 | /* Login fcport on switch. */ | |
2567 | qla2x00_login_fabric(ha, fcport->loop_id, | |
2568 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
2569 | fcport->d_id.b.al_pa, mb, BIT_0); | |
2570 | if (mb[0] == MBS_PORT_ID_USED) { | |
2571 | /* | |
2572 | * Device has another loop ID. The firmware team | |
2573 | * recommends us to perform an implicit login with the | |
2574 | * specified ID again. The ID we just used is save here | |
2575 | * so we return with an ID that can be tried by the | |
2576 | * next login. | |
2577 | */ | |
2578 | retry++; | |
2579 | tmp_loopid = fcport->loop_id; | |
2580 | fcport->loop_id = mb[1]; | |
2581 | ||
2582 | DEBUG(printk("Fabric Login: port in use - next " | |
2583 | "loop id=0x%04x, port Id=%02x%02x%02x.\n", | |
2584 | fcport->loop_id, fcport->d_id.b.domain, | |
2585 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2586 | ||
2587 | } else if (mb[0] == MBS_COMMAND_COMPLETE) { | |
2588 | /* | |
2589 | * Login succeeded. | |
2590 | */ | |
2591 | if (retry) { | |
2592 | /* A retry occurred before. */ | |
2593 | *next_loopid = tmp_loopid; | |
2594 | } else { | |
2595 | /* | |
2596 | * No retry occurred before. Just increment the | |
2597 | * ID value for next login. | |
2598 | */ | |
2599 | *next_loopid = (fcport->loop_id + 1); | |
2600 | } | |
2601 | ||
2602 | if (mb[1] & BIT_0) { | |
2603 | fcport->port_type = FCT_INITIATOR; | |
2604 | } else { | |
2605 | fcport->port_type = FCT_TARGET; | |
2606 | if (mb[1] & BIT_1) { | |
2607 | fcport->flags |= FCF_TAPE_PRESENT; | |
2608 | } | |
2609 | } | |
2610 | ||
2611 | rval = QLA_SUCCESS; | |
2612 | break; | |
2613 | } else if (mb[0] == MBS_LOOP_ID_USED) { | |
2614 | /* | |
2615 | * Loop ID already used, try next loop ID. | |
2616 | */ | |
2617 | fcport->loop_id++; | |
2618 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2619 | if (rval != QLA_SUCCESS) { | |
2620 | /* Ran out of loop IDs to use */ | |
2621 | break; | |
2622 | } | |
2623 | } else if (mb[0] == MBS_COMMAND_ERROR) { | |
2624 | /* | |
2625 | * Firmware possibly timed out during login. If NO | |
2626 | * retries are left to do then the device is declared | |
2627 | * dead. | |
2628 | */ | |
2629 | *next_loopid = fcport->loop_id; | |
2630 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2631 | qla2x00_mark_device_lost(ha, fcport, 1); | |
2632 | ||
2633 | rval = 1; | |
2634 | break; | |
2635 | } else { | |
2636 | /* | |
2637 | * unrecoverable / not handled error | |
2638 | */ | |
2639 | DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " | |
2640 | "loop_id=%x jiffies=%lx.\n", | |
2641 | __func__, ha->host_no, mb[0], | |
2642 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
2643 | fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); | |
2644 | ||
2645 | *next_loopid = fcport->loop_id; | |
2646 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2647 | fcport->loop_id = FC_NO_LOOP_ID; | |
2648 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); | |
2649 | ||
2650 | rval = 3; | |
2651 | break; | |
2652 | } | |
2653 | } | |
2654 | ||
2655 | return (rval); | |
2656 | } | |
2657 | ||
2658 | /* | |
2659 | * qla2x00_local_device_login | |
2660 | * Issue local device login command. | |
2661 | * | |
2662 | * Input: | |
2663 | * ha = adapter block pointer. | |
2664 | * loop_id = loop id of device to login to. | |
2665 | * | |
2666 | * Returns (Where's the #define!!!!): | |
2667 | * 0 - Login successfully | |
2668 | * 1 - Login failed | |
2669 | * 3 - Fatal error | |
2670 | */ | |
2671 | int | |
2672 | qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) | |
2673 | { | |
2674 | int rval; | |
2675 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2676 | ||
2677 | memset(mb, 0, sizeof(mb)); | |
2678 | rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); | |
2679 | if (rval == QLA_SUCCESS) { | |
2680 | /* Interrogate mailbox registers for any errors */ | |
2681 | if (mb[0] == MBS_COMMAND_ERROR) | |
2682 | rval = 1; | |
2683 | else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) | |
2684 | /* device not in PCB table */ | |
2685 | rval = 3; | |
2686 | } | |
2687 | ||
2688 | return (rval); | |
2689 | } | |
2690 | ||
2691 | /* | |
2692 | * qla2x00_loop_resync | |
2693 | * Resync with fibre channel devices. | |
2694 | * | |
2695 | * Input: | |
2696 | * ha = adapter block pointer. | |
2697 | * | |
2698 | * Returns: | |
2699 | * 0 = success | |
2700 | */ | |
2701 | int | |
2702 | qla2x00_loop_resync(scsi_qla_host_t *ha) | |
2703 | { | |
2704 | int rval; | |
2705 | uint32_t wait_time; | |
2706 | ||
2707 | rval = QLA_SUCCESS; | |
2708 | ||
2709 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
2710 | qla2x00_stats.loop_resync++; | |
2711 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
2712 | if (ha->flags.online) { | |
2713 | if (!(rval = qla2x00_fw_ready(ha))) { | |
2714 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
2715 | wait_time = 256; | |
2716 | do { | |
2717 | /* v2.19.05b6 */ | |
2718 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
2719 | ||
2720 | /* | |
2721 | * Issue marker command only when we are going | |
2722 | * to start the I/O . | |
2723 | */ | |
2724 | ha->marker_needed = 1; | |
2725 | ||
2726 | /* Remap devices on Loop. */ | |
2727 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
2728 | ||
2729 | qla2x00_configure_loop(ha); | |
2730 | wait_time--; | |
2731 | } while (!atomic_read(&ha->loop_down_timer) && | |
2732 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
2733 | wait_time && | |
2734 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
2735 | } | |
1da177e4 LT |
2736 | } |
2737 | ||
2738 | if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2739 | return (QLA_FUNCTION_FAILED); | |
2740 | } | |
2741 | ||
2742 | if (rval) { | |
2743 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
2744 | } | |
2745 | ||
2746 | return (rval); | |
2747 | } | |
2748 | ||
1da177e4 LT |
2749 | void |
2750 | qla2x00_rescan_fcports(scsi_qla_host_t *ha) | |
2751 | { | |
2752 | int rescan_done; | |
2753 | fc_port_t *fcport; | |
2754 | ||
2755 | rescan_done = 0; | |
2756 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2757 | if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) | |
2758 | continue; | |
2759 | ||
2760 | qla2x00_update_fcport(ha, fcport); | |
2761 | fcport->flags &= ~FCF_RESCAN_NEEDED; | |
2762 | ||
2763 | rescan_done = 1; | |
2764 | } | |
2765 | qla2x00_probe_for_all_luns(ha); | |
1da177e4 LT |
2766 | } |
2767 | ||
2768 | /* | |
2769 | * qla2x00_abort_isp | |
2770 | * Resets ISP and aborts all outstanding commands. | |
2771 | * | |
2772 | * Input: | |
2773 | * ha = adapter block pointer. | |
2774 | * | |
2775 | * Returns: | |
2776 | * 0 = success | |
2777 | */ | |
2778 | int | |
2779 | qla2x00_abort_isp(scsi_qla_host_t *ha) | |
2780 | { | |
2781 | unsigned long flags = 0; | |
2782 | uint16_t cnt; | |
2783 | srb_t *sp; | |
2784 | uint8_t status = 0; | |
2785 | ||
2786 | if (ha->flags.online) { | |
2787 | ha->flags.online = 0; | |
2788 | clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
2789 | qla2x00_stats.ispAbort++; | |
2790 | ha->total_isp_aborts++; /* used by ioctl */ | |
2791 | ha->sns_retry_cnt = 0; | |
2792 | ||
2793 | qla_printk(KERN_INFO, ha, | |
2794 | "Performing ISP error recovery - ha= %p.\n", ha); | |
2795 | qla2x00_reset_chip(ha); | |
2796 | ||
2797 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
2798 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2799 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
2800 | qla2x00_mark_all_devices_lost(ha); | |
2801 | } else { | |
2802 | if (!atomic_read(&ha->loop_down_timer)) | |
2803 | atomic_set(&ha->loop_down_timer, | |
2804 | LOOP_DOWN_TIME); | |
2805 | } | |
2806 | ||
2807 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2808 | /* Requeue all commands in outstanding command list. */ | |
2809 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
2810 | sp = ha->outstanding_cmds[cnt]; | |
2811 | if (sp) { | |
2812 | ha->outstanding_cmds[cnt] = NULL; | |
2813 | if (ha->actthreads) | |
2814 | ha->actthreads--; | |
1da177e4 | 2815 | sp->flags = 0; |
f4f051eb | 2816 | sp->cmd->result = DID_RESET << 16; |
1da177e4 | 2817 | sp->cmd->host_scribble = (unsigned char *)NULL; |
f4f051eb | 2818 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
2819 | } |
2820 | } | |
2821 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2822 | ||
2823 | qla2x00_nvram_config(ha); | |
2824 | ||
2825 | if (!qla2x00_restart_isp(ha)) { | |
2826 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2827 | ||
2828 | if (!atomic_read(&ha->loop_down_timer)) { | |
2829 | /* | |
2830 | * Issue marker command only when we are going | |
2831 | * to start the I/O . | |
2832 | */ | |
2833 | ha->marker_needed = 1; | |
2834 | } | |
2835 | ||
2836 | ha->flags.online = 1; | |
2837 | ||
2838 | /* Enable ISP interrupts. */ | |
2839 | qla2x00_enable_intrs(ha); | |
2840 | ||
1da177e4 LT |
2841 | ha->isp_abort_cnt = 0; |
2842 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
2843 | } else { /* failed the ISP abort */ | |
2844 | ha->flags.online = 1; | |
2845 | if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { | |
2846 | if (ha->isp_abort_cnt == 0) { | |
2847 | qla_printk(KERN_WARNING, ha, | |
2848 | "ISP error recovery failed - " | |
2849 | "board disabled\n"); | |
2850 | /* | |
2851 | * The next call disables the board | |
2852 | * completely. | |
2853 | */ | |
2854 | qla2x00_reset_adapter(ha); | |
1da177e4 LT |
2855 | ha->flags.online = 0; |
2856 | clear_bit(ISP_ABORT_RETRY, | |
2857 | &ha->dpc_flags); | |
2858 | status = 0; | |
2859 | } else { /* schedule another ISP abort */ | |
2860 | ha->isp_abort_cnt--; | |
2861 | DEBUG(printk("qla%ld: ISP abort - " | |
2862 | "retry remainning %d\n", | |
2863 | ha->host_no, ha->isp_abort_cnt);) | |
2864 | status = 1; | |
2865 | } | |
2866 | } else { | |
2867 | ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; | |
2868 | DEBUG(printk("qla2x00(%ld): ISP error recovery " | |
2869 | "- retrying (%d) more times\n", | |
2870 | ha->host_no, ha->isp_abort_cnt);) | |
2871 | set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
2872 | status = 1; | |
2873 | } | |
2874 | } | |
2875 | ||
2876 | } | |
2877 | ||
2878 | if (status) { | |
2879 | qla_printk(KERN_INFO, ha, | |
2880 | "qla2x00_abort_isp: **** FAILED ****\n"); | |
2881 | } else { | |
2882 | DEBUG(printk(KERN_INFO | |
2883 | "qla2x00_abort_isp(%ld): exiting.\n", | |
2884 | ha->host_no);) | |
2885 | } | |
2886 | ||
2887 | return(status); | |
2888 | } | |
2889 | ||
2890 | /* | |
2891 | * qla2x00_restart_isp | |
2892 | * restarts the ISP after a reset | |
2893 | * | |
2894 | * Input: | |
2895 | * ha = adapter block pointer. | |
2896 | * | |
2897 | * Returns: | |
2898 | * 0 = success | |
2899 | */ | |
2900 | static int | |
2901 | qla2x00_restart_isp(scsi_qla_host_t *ha) | |
2902 | { | |
2903 | uint8_t status = 0; | |
2904 | device_reg_t __iomem *reg = ha->iobase; | |
2905 | unsigned long flags = 0; | |
2906 | uint32_t wait_time; | |
2907 | ||
2908 | /* If firmware needs to be loaded */ | |
2909 | if (qla2x00_isp_firmware(ha)) { | |
2910 | ha->flags.online = 0; | |
2911 | if (!(status = qla2x00_chip_diag(ha))) { | |
2912 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
2913 | status = qla2x00_setup_chip(ha); | |
2914 | goto done; | |
2915 | } | |
2916 | ||
2917 | reg = ha->iobase; | |
2918 | ||
2919 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2920 | ||
2921 | /* Disable SRAM, Instruction RAM and GP RAM parity. */ | |
2922 | WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); | |
2923 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2924 | ||
2925 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2926 | ||
2927 | status = qla2x00_setup_chip(ha); | |
2928 | ||
2929 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2930 | ||
2931 | /* Enable proper parity */ | |
2932 | if (IS_QLA2300(ha)) | |
2933 | /* SRAM parity */ | |
2934 | WRT_REG_WORD(®->hccr, | |
2935 | (HCCR_ENABLE_PARITY + 0x1)); | |
2936 | else | |
2937 | /* SRAM, Instruction RAM and GP RAM parity */ | |
2938 | WRT_REG_WORD(®->hccr, | |
2939 | (HCCR_ENABLE_PARITY + 0x7)); | |
2940 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2941 | ||
2942 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2943 | } | |
2944 | } | |
2945 | ||
2946 | done: | |
2947 | if (!status && !(status = qla2x00_init_rings(ha))) { | |
2948 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2949 | if (!(status = qla2x00_fw_ready(ha))) { | |
2950 | DEBUG(printk("%s(): Start configure loop, " | |
2951 | "status = %d\n", | |
2952 | __func__, | |
2953 | status);) | |
2954 | ha->flags.online = 1; | |
2955 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
2956 | wait_time = 256; | |
2957 | do { | |
2958 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
2959 | qla2x00_configure_loop(ha); | |
2960 | wait_time--; | |
2961 | } while (!atomic_read(&ha->loop_down_timer) && | |
2962 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
2963 | wait_time && | |
2964 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
2965 | } | |
2966 | ||
2967 | /* if no cable then assume it's good */ | |
2968 | if ((ha->device_flags & DFLG_NO_CABLE)) | |
2969 | status = 0; | |
2970 | ||
2971 | DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", | |
2972 | __func__, | |
2973 | status);) | |
2974 | } | |
2975 | return (status); | |
2976 | } | |
2977 | ||
2978 | /* | |
2979 | * qla2x00_reset_adapter | |
2980 | * Reset adapter. | |
2981 | * | |
2982 | * Input: | |
2983 | * ha = adapter block pointer. | |
2984 | */ | |
2985 | static void | |
2986 | qla2x00_reset_adapter(scsi_qla_host_t *ha) | |
2987 | { | |
2988 | unsigned long flags = 0; | |
2989 | device_reg_t __iomem *reg = ha->iobase; | |
2990 | ||
2991 | ha->flags.online = 0; | |
2992 | qla2x00_disable_intrs(ha); | |
2993 | ||
2994 | /* Reset RISC processor. */ | |
2995 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2996 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
2997 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2998 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
2999 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3000 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3001 | } |