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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> | |
22 | ||
23 | #include "qla_devtbl.h" | |
24 | ||
25 | /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ | |
26 | #ifndef EXT_IS_LUN_BIT_SET | |
27 | #define EXT_IS_LUN_BIT_SET(P,L) \ | |
28 | (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) | |
29 | #define EXT_SET_LUN_BIT(P,L) \ | |
30 | ((P)->mask[L/8] |= (0x80 >> (L%8))) | |
31 | #endif | |
32 | ||
33 | /* | |
34 | * QLogic ISP2x00 Hardware Support Function Prototypes. | |
35 | */ | |
36 | static int qla2x00_pci_config(scsi_qla_host_t *); | |
37 | static int qla2x00_isp_firmware(scsi_qla_host_t *); | |
38 | static void qla2x00_reset_chip(scsi_qla_host_t *); | |
39 | static int qla2x00_chip_diag(scsi_qla_host_t *); | |
40 | static void qla2x00_resize_request_q(scsi_qla_host_t *); | |
41 | static int qla2x00_setup_chip(scsi_qla_host_t *); | |
42 | static void qla2x00_init_response_q_entries(scsi_qla_host_t *); | |
43 | static int qla2x00_init_rings(scsi_qla_host_t *); | |
44 | static int qla2x00_fw_ready(scsi_qla_host_t *); | |
45 | static int qla2x00_configure_hba(scsi_qla_host_t *); | |
46 | static int qla2x00_nvram_config(scsi_qla_host_t *); | |
47 | static void qla2x00_init_tgt_map(scsi_qla_host_t *); | |
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 *); | |
51 | static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *); | |
52 | static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *, | |
53 | inq_cmd_rsp_t *, dma_addr_t); | |
54 | static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *); | |
55 | static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t, | |
56 | inq_cmd_rsp_t *, dma_addr_t); | |
57 | static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t); | |
58 | static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t, | |
59 | inq_cmd_rsp_t *, dma_addr_t); | |
60 | static int qla2x00_configure_fabric(scsi_qla_host_t *); | |
61 | static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); | |
62 | static int qla2x00_device_resync(scsi_qla_host_t *); | |
63 | static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, | |
64 | uint16_t *); | |
65 | static void qla2x00_config_os(scsi_qla_host_t *ha); | |
66 | static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport); | |
67 | static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *, | |
68 | fc_lun_t *); | |
69 | static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t); | |
70 | ||
71 | static int qla2x00_restart_isp(scsi_qla_host_t *); | |
72 | static void qla2x00_reset_adapter(scsi_qla_host_t *); | |
73 | static os_tgt_t *qla2x00_tgt_alloc(scsi_qla_host_t *, uint16_t); | |
74 | static os_lun_t *qla2x00_lun_alloc(scsi_qla_host_t *, uint16_t, uint16_t); | |
75 | ||
76 | /****************************************************************************/ | |
77 | /* QLogic ISP2x00 Hardware Support Functions. */ | |
78 | /****************************************************************************/ | |
79 | ||
80 | /* | |
81 | * qla2x00_initialize_adapter | |
82 | * Initialize board. | |
83 | * | |
84 | * Input: | |
85 | * ha = adapter block pointer. | |
86 | * | |
87 | * Returns: | |
88 | * 0 = success | |
89 | */ | |
90 | int | |
91 | qla2x00_initialize_adapter(scsi_qla_host_t *ha) | |
92 | { | |
93 | int rval; | |
94 | uint8_t restart_risc = 0; | |
95 | uint8_t retry; | |
96 | uint32_t wait_time; | |
97 | ||
98 | /* Clear adapter flags. */ | |
99 | ha->flags.online = 0; | |
100 | ha->flags.reset_active = 0; | |
101 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
102 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
103 | ha->device_flags = 0; | |
104 | ha->sns_retry_cnt = 0; | |
105 | ha->dpc_flags = 0; | |
106 | ha->failback_delay = 0; | |
107 | ha->flags.management_server_logged_in = 0; | |
108 | ha->marker_needed = 0; | |
109 | ha->mbx_flags = 0; | |
110 | ha->isp_abort_cnt = 0; | |
111 | ha->beacon_blink_led = 0; | |
112 | ||
113 | rval = qla2x00_pci_config(ha); | |
114 | if (rval) { | |
115 | DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", | |
116 | ha->host_no)); | |
117 | return (rval); | |
118 | } | |
119 | ||
120 | qla2x00_reset_chip(ha); | |
121 | ||
122 | /* Initialize target map database. */ | |
123 | qla2x00_init_tgt_map(ha); | |
124 | ||
125 | qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); | |
126 | qla2x00_nvram_config(ha); | |
127 | ||
128 | qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); | |
129 | ||
130 | retry = 10; | |
131 | /* | |
132 | * Try to configure the loop. | |
133 | */ | |
134 | do { | |
135 | restart_risc = 0; | |
136 | ||
137 | /* If firmware needs to be loaded */ | |
138 | if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { | |
139 | if ((rval = qla2x00_chip_diag(ha)) == QLA_SUCCESS) { | |
140 | rval = qla2x00_setup_chip(ha); | |
141 | } | |
142 | } | |
143 | ||
144 | if (rval == QLA_SUCCESS && | |
145 | (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { | |
146 | check_fw_ready_again: | |
147 | /* | |
148 | * Wait for a successful LIP up to a maximum | |
149 | * of (in seconds): RISC login timeout value, | |
150 | * RISC retry count value, and port down retry | |
151 | * value OR a minimum of 4 seconds OR If no | |
152 | * cable, only 5 seconds. | |
153 | */ | |
154 | rval = qla2x00_fw_ready(ha); | |
155 | if (rval == QLA_SUCCESS) { | |
156 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
157 | ||
158 | /* | |
159 | * Wait at most MAX_TARGET RSCNs for a stable | |
160 | * link. | |
161 | */ | |
162 | wait_time = 256; | |
163 | do { | |
164 | clear_bit(LOOP_RESYNC_NEEDED, | |
165 | &ha->dpc_flags); | |
166 | rval = qla2x00_configure_loop(ha); | |
167 | ||
168 | if (test_and_clear_bit(ISP_ABORT_NEEDED, | |
169 | &ha->dpc_flags)) { | |
170 | restart_risc = 1; | |
171 | break; | |
172 | } | |
173 | ||
174 | /* | |
175 | * If loop state change while we were | |
176 | * discoverying devices then wait for | |
177 | * LIP to complete | |
178 | */ | |
179 | ||
180 | if (atomic_read(&ha->loop_state) == | |
181 | LOOP_DOWN && retry--) { | |
182 | goto check_fw_ready_again; | |
183 | } | |
184 | wait_time--; | |
185 | } while (!atomic_read(&ha->loop_down_timer) && | |
186 | retry && | |
187 | wait_time && | |
188 | (test_bit(LOOP_RESYNC_NEEDED, | |
189 | &ha->dpc_flags))); | |
190 | ||
191 | if (wait_time == 0) | |
192 | rval = QLA_FUNCTION_FAILED; | |
193 | if (ha->mem_err) | |
194 | restart_risc = 1; | |
195 | } else if (ha->device_flags & DFLG_NO_CABLE) | |
196 | /* If no cable, then all is good. */ | |
197 | rval = QLA_SUCCESS; | |
198 | } | |
199 | } while (restart_risc && retry--); | |
200 | ||
201 | if (rval == QLA_SUCCESS) { | |
202 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
203 | ha->marker_needed = 1; | |
204 | qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); | |
205 | ha->marker_needed = 0; | |
206 | ||
207 | ha->flags.online = 1; | |
208 | } else { | |
209 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
210 | } | |
211 | ||
212 | return (rval); | |
213 | } | |
214 | ||
215 | /** | |
216 | * qla2x00_pci_config() - Setup device PCI configuration registers. | |
217 | * @ha: HA context | |
218 | * | |
219 | * Returns 0 on success. | |
220 | */ | |
221 | static int | |
222 | qla2x00_pci_config(scsi_qla_host_t *ha) | |
223 | { | |
224 | uint16_t w, mwi; | |
225 | unsigned long flags = 0; | |
226 | uint32_t cnt; | |
227 | ||
228 | qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); | |
229 | ||
230 | /* | |
231 | * Turn on PCI master; for system BIOSes that don't turn it on by | |
232 | * default. | |
233 | */ | |
234 | pci_set_master(ha->pdev); | |
235 | mwi = 0; | |
236 | if (pci_set_mwi(ha->pdev)) | |
237 | mwi = PCI_COMMAND_INVALIDATE; | |
238 | pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); | |
239 | ||
240 | if (!ha->iobase) | |
241 | return (QLA_FUNCTION_FAILED); | |
242 | ||
243 | /* | |
244 | * We want to respect framework's setting of PCI configuration space | |
245 | * command register and also want to make sure that all bits of | |
246 | * interest to us are properly set in command register. | |
247 | */ | |
248 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); | |
249 | w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); | |
250 | ||
251 | /* Get PCI bus information. */ | |
252 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
253 | ha->pci_attr = RD_REG_WORD(&ha->iobase->ctrl_status); | |
254 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
255 | ||
256 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
257 | pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); | |
258 | ||
259 | /* PCI Specification Revision 2.3 changes */ | |
260 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
261 | /* Command Register - Reset Interrupt Disable. */ | |
262 | w &= ~PCI_COMMAND_INTX_DISABLE; | |
263 | ||
264 | /* | |
265 | * If this is a 2300 card and not 2312, reset the | |
266 | * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, | |
267 | * the 2310 also reports itself as a 2300 so we need to get the | |
268 | * fb revision level -- a 6 indicates it really is a 2300 and | |
269 | * not a 2310. | |
270 | */ | |
271 | if (IS_QLA2300(ha)) { | |
272 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
273 | ||
274 | /* Pause RISC. */ | |
275 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_PAUSE_RISC); | |
276 | for (cnt = 0; cnt < 30000; cnt++) { | |
277 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
278 | HCCR_RISC_PAUSE) != 0) | |
279 | break; | |
280 | ||
281 | udelay(10); | |
282 | } | |
283 | ||
284 | /* Select FPM registers. */ | |
285 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x20); | |
286 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
287 | ||
288 | /* Get the fb rev level */ | |
289 | ha->fb_rev = RD_FB_CMD_REG(ha, ha->iobase); | |
290 | ||
291 | if (ha->fb_rev == FPM_2300) | |
292 | w &= ~PCI_COMMAND_INVALIDATE; | |
293 | ||
294 | /* Deselect FPM registers. */ | |
295 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x0); | |
296 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
297 | ||
298 | /* Release RISC module. */ | |
299 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_RELEASE_RISC); | |
300 | for (cnt = 0; cnt < 30000; cnt++) { | |
301 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
302 | HCCR_RISC_PAUSE) == 0) | |
303 | break; | |
304 | ||
305 | udelay(10); | |
306 | } | |
307 | ||
308 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
309 | } | |
310 | } | |
311 | ||
312 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); | |
313 | ||
314 | /* Reset expansion ROM address decode enable */ | |
315 | pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); | |
316 | w &= ~PCI_ROM_ADDRESS_ENABLE; | |
317 | pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); | |
318 | ||
319 | return (QLA_SUCCESS); | |
320 | } | |
321 | ||
322 | /** | |
323 | * qla2x00_isp_firmware() - Choose firmware image. | |
324 | * @ha: HA context | |
325 | * | |
326 | * Returns 0 on success. | |
327 | */ | |
328 | static int | |
329 | qla2x00_isp_firmware(scsi_qla_host_t *ha) | |
330 | { | |
331 | int rval; | |
332 | ||
333 | /* Assume loading risc code */ | |
334 | rval = QLA_FUNCTION_FAILED; | |
335 | ||
336 | if (ha->flags.disable_risc_code_load) { | |
337 | DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", | |
338 | ha->host_no)); | |
339 | qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); | |
340 | ||
341 | /* Verify checksum of loaded RISC code. */ | |
342 | rval = qla2x00_verify_checksum(ha); | |
343 | } | |
344 | ||
345 | if (rval) { | |
346 | DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", | |
347 | ha->host_no)); | |
348 | } | |
349 | ||
350 | return (rval); | |
351 | } | |
352 | ||
353 | /** | |
354 | * qla2x00_reset_chip() - Reset ISP chip. | |
355 | * @ha: HA context | |
356 | * | |
357 | * Returns 0 on success. | |
358 | */ | |
359 | static void | |
360 | qla2x00_reset_chip(scsi_qla_host_t *ha) | |
361 | { | |
362 | unsigned long flags = 0; | |
363 | device_reg_t __iomem *reg = ha->iobase; | |
364 | uint32_t cnt; | |
365 | unsigned long mbx_flags = 0; | |
366 | uint16_t cmd; | |
367 | ||
368 | /* Disable ISP interrupts. */ | |
369 | qla2x00_disable_intrs(ha); | |
370 | ||
371 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
372 | ||
373 | /* Turn off master enable */ | |
374 | cmd = 0; | |
375 | pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); | |
376 | cmd &= ~PCI_COMMAND_MASTER; | |
377 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
378 | ||
379 | if (!IS_QLA2100(ha)) { | |
380 | /* Pause RISC. */ | |
381 | WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); | |
382 | if (IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
383 | for (cnt = 0; cnt < 30000; cnt++) { | |
384 | if ((RD_REG_WORD(®->hccr) & | |
385 | HCCR_RISC_PAUSE) != 0) | |
386 | break; | |
387 | udelay(100); | |
388 | } | |
389 | } else { | |
390 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
391 | udelay(10); | |
392 | } | |
393 | ||
394 | /* Select FPM registers. */ | |
395 | WRT_REG_WORD(®->ctrl_status, 0x20); | |
396 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
397 | ||
398 | /* FPM Soft Reset. */ | |
399 | WRT_REG_WORD(®->fpm_diag_config, 0x100); | |
400 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
401 | ||
402 | /* Toggle Fpm Reset. */ | |
403 | if (!IS_QLA2200(ha)) { | |
404 | WRT_REG_WORD(®->fpm_diag_config, 0x0); | |
405 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
406 | } | |
407 | ||
408 | /* Select frame buffer registers. */ | |
409 | WRT_REG_WORD(®->ctrl_status, 0x10); | |
410 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
411 | ||
412 | /* Reset frame buffer FIFOs. */ | |
413 | if (IS_QLA2200(ha)) { | |
414 | WRT_FB_CMD_REG(ha, reg, 0xa000); | |
415 | RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ | |
416 | } else { | |
417 | WRT_FB_CMD_REG(ha, reg, 0x00fc); | |
418 | ||
419 | /* Read back fb_cmd until zero or 3 seconds max */ | |
420 | for (cnt = 0; cnt < 3000; cnt++) { | |
421 | if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) | |
422 | break; | |
423 | udelay(100); | |
424 | } | |
425 | } | |
426 | ||
427 | /* Select RISC module registers. */ | |
428 | WRT_REG_WORD(®->ctrl_status, 0); | |
429 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
430 | ||
431 | /* Reset RISC processor. */ | |
432 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
433 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
434 | ||
435 | /* Release RISC processor. */ | |
436 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
437 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
438 | } | |
439 | ||
440 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
441 | WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); | |
442 | ||
443 | /* Reset ISP chip. */ | |
444 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
445 | ||
446 | /* Wait for RISC to recover from reset. */ | |
447 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
448 | /* | |
449 | * It is necessary to for a delay here since the card doesn't | |
450 | * respond to PCI reads during a reset. On some architectures | |
451 | * this will result in an MCA. | |
452 | */ | |
453 | udelay(20); | |
454 | for (cnt = 30000; cnt; cnt--) { | |
455 | if ((RD_REG_WORD(®->ctrl_status) & | |
456 | CSR_ISP_SOFT_RESET) == 0) | |
457 | break; | |
458 | udelay(100); | |
459 | } | |
460 | } else | |
461 | udelay(10); | |
462 | ||
463 | /* Reset RISC processor. */ | |
464 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
465 | ||
466 | WRT_REG_WORD(®->semaphore, 0); | |
467 | ||
468 | /* Release RISC processor. */ | |
469 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
470 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
471 | ||
472 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
473 | for (cnt = 0; cnt < 30000; cnt++) { | |
474 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
475 | spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); | |
476 | ||
477 | if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { | |
478 | if (!(test_bit(ABORT_ISP_ACTIVE, | |
479 | &ha->dpc_flags))) | |
480 | spin_unlock_irqrestore( | |
481 | &ha->mbx_reg_lock, mbx_flags); | |
482 | break; | |
483 | } | |
484 | ||
485 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
486 | spin_unlock_irqrestore(&ha->mbx_reg_lock, | |
487 | mbx_flags); | |
488 | ||
489 | udelay(100); | |
490 | } | |
491 | } else | |
492 | udelay(100); | |
493 | ||
494 | /* Turn on master enable */ | |
495 | cmd |= PCI_COMMAND_MASTER; | |
496 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
497 | ||
498 | /* Disable RISC pause on FPM parity error. */ | |
499 | if (!IS_QLA2100(ha)) { | |
500 | WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); | |
501 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
502 | } | |
503 | ||
504 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
505 | } | |
506 | ||
507 | /** | |
508 | * qla2x00_chip_diag() - Test chip for proper operation. | |
509 | * @ha: HA context | |
510 | * | |
511 | * Returns 0 on success. | |
512 | */ | |
513 | static int | |
514 | qla2x00_chip_diag(scsi_qla_host_t *ha) | |
515 | { | |
516 | int rval; | |
517 | device_reg_t __iomem *reg = ha->iobase; | |
518 | unsigned long flags = 0; | |
519 | uint16_t data; | |
520 | uint32_t cnt; | |
521 | uint16_t mb[5]; | |
522 | ||
523 | /* Assume a failed state */ | |
524 | rval = QLA_FUNCTION_FAILED; | |
525 | ||
526 | DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", | |
527 | ha->host_no, (u_long)®->flash_address)); | |
528 | ||
529 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
530 | ||
531 | /* Reset ISP chip. */ | |
532 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
533 | ||
534 | /* | |
535 | * We need to have a delay here since the card will not respond while | |
536 | * in reset causing an MCA on some architectures. | |
537 | */ | |
538 | udelay(20); | |
539 | data = qla2x00_debounce_register(®->ctrl_status); | |
540 | for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { | |
541 | udelay(5); | |
542 | data = RD_REG_WORD(®->ctrl_status); | |
543 | barrier(); | |
544 | } | |
545 | ||
546 | if (!cnt) | |
547 | goto chip_diag_failed; | |
548 | ||
549 | DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", | |
550 | ha->host_no)); | |
551 | ||
552 | /* Reset RISC processor. */ | |
553 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
554 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
555 | ||
556 | /* Workaround for QLA2312 PCI parity error */ | |
557 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
558 | data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); | |
559 | for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { | |
560 | udelay(5); | |
561 | data = RD_MAILBOX_REG(ha, reg, 0); | |
562 | barrier(); | |
563 | } | |
564 | } else | |
565 | udelay(10); | |
566 | ||
567 | if (!cnt) | |
568 | goto chip_diag_failed; | |
569 | ||
570 | /* Check product ID of chip */ | |
571 | DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); | |
572 | ||
573 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
574 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
575 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
576 | mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); | |
577 | if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || | |
578 | mb[3] != PROD_ID_3) { | |
579 | qla_printk(KERN_WARNING, ha, | |
580 | "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); | |
581 | ||
582 | goto chip_diag_failed; | |
583 | } | |
584 | ha->product_id[0] = mb[1]; | |
585 | ha->product_id[1] = mb[2]; | |
586 | ha->product_id[2] = mb[3]; | |
587 | ha->product_id[3] = mb[4]; | |
588 | ||
589 | /* Adjust fw RISC transfer size */ | |
590 | if (ha->request_q_length > 1024) | |
591 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; | |
592 | else | |
593 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * | |
594 | ha->request_q_length; | |
595 | ||
596 | if (IS_QLA2200(ha) && | |
597 | RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { | |
598 | /* Limit firmware transfer size with a 2200A */ | |
599 | DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", | |
600 | ha->host_no)); | |
601 | ||
602 | ha->fw_transfer_size = 128; | |
603 | } | |
604 | ||
605 | /* Wrap Incoming Mailboxes Test. */ | |
606 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
607 | ||
608 | DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); | |
609 | rval = qla2x00_mbx_reg_test(ha); | |
610 | if (rval) { | |
611 | DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", | |
612 | ha->host_no)); | |
613 | qla_printk(KERN_WARNING, ha, | |
614 | "Failed mailbox send register test\n"); | |
615 | } | |
616 | else { | |
617 | /* Flag a successful rval */ | |
618 | rval = QLA_SUCCESS; | |
619 | } | |
620 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
621 | ||
622 | chip_diag_failed: | |
623 | if (rval) | |
624 | DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " | |
625 | "****\n", ha->host_no)); | |
626 | ||
627 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
628 | ||
629 | return (rval); | |
630 | } | |
631 | ||
632 | /** | |
633 | * qla2x00_resize_request_q() - Resize request queue given available ISP memory. | |
634 | * @ha: HA context | |
635 | * | |
636 | * Returns 0 on success. | |
637 | */ | |
638 | static void | |
639 | qla2x00_resize_request_q(scsi_qla_host_t *ha) | |
640 | { | |
641 | int rval; | |
642 | uint16_t fw_iocb_cnt = 0; | |
643 | uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; | |
644 | dma_addr_t request_dma; | |
645 | request_t *request_ring; | |
646 | ||
647 | /* Valid only on recent ISPs. */ | |
648 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
649 | return; | |
650 | ||
651 | /* Retrieve IOCB counts available to the firmware. */ | |
652 | rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); | |
653 | if (rval) | |
654 | return; | |
655 | /* No point in continuing if current settings are sufficient. */ | |
656 | if (fw_iocb_cnt < 1024) | |
657 | return; | |
658 | if (ha->request_q_length >= request_q_length) | |
659 | return; | |
660 | ||
661 | /* Attempt to claim larger area for request queue. */ | |
662 | request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
663 | (request_q_length + 1) * sizeof(request_t), &request_dma, | |
664 | GFP_KERNEL); | |
665 | if (request_ring == NULL) | |
666 | return; | |
667 | ||
668 | /* Resize successful, report extensions. */ | |
669 | qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", | |
670 | (ha->fw_memory_size + 1) / 1024); | |
671 | qla_printk(KERN_INFO, ha, "Resizing request queue depth " | |
672 | "(%d -> %d)...\n", ha->request_q_length, request_q_length); | |
673 | ||
674 | /* Clear old allocations. */ | |
675 | dma_free_coherent(&ha->pdev->dev, | |
676 | (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, | |
677 | ha->request_dma); | |
678 | ||
679 | /* Begin using larger queue. */ | |
680 | ha->request_q_length = request_q_length; | |
681 | ha->request_ring = request_ring; | |
682 | ha->request_dma = request_dma; | |
683 | } | |
684 | ||
685 | /** | |
686 | * qla2x00_setup_chip() - Load and start RISC firmware. | |
687 | * @ha: HA context | |
688 | * | |
689 | * Returns 0 on success. | |
690 | */ | |
691 | static int | |
692 | qla2x00_setup_chip(scsi_qla_host_t *ha) | |
693 | { | |
694 | int rval; | |
695 | uint16_t cnt; | |
696 | uint16_t *risc_code; | |
697 | unsigned long risc_address; | |
698 | unsigned long risc_code_size; | |
699 | int num; | |
700 | int i; | |
701 | uint16_t *req_ring; | |
702 | struct qla_fw_info *fw_iter; | |
703 | ||
704 | rval = QLA_SUCCESS; | |
705 | ||
706 | /* Load firmware sequences */ | |
707 | fw_iter = ha->brd_info->fw_info; | |
708 | while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { | |
709 | risc_code = fw_iter->fwcode; | |
710 | risc_code_size = *fw_iter->fwlen; | |
711 | ||
712 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
713 | risc_address = *fw_iter->fwstart; | |
714 | } else { | |
715 | /* Extended address */ | |
716 | risc_address = *fw_iter->lfwstart; | |
717 | } | |
718 | ||
719 | num = 0; | |
720 | rval = 0; | |
721 | while (risc_code_size > 0 && !rval) { | |
722 | cnt = (uint16_t)(ha->fw_transfer_size >> 1); | |
723 | if (cnt > risc_code_size) | |
724 | cnt = risc_code_size; | |
725 | ||
726 | DEBUG7(printk("scsi(%ld): Loading risc segment@ " | |
727 | "addr %p, number of bytes 0x%x, offset 0x%lx.\n", | |
728 | ha->host_no, risc_code, cnt, risc_address)); | |
729 | ||
730 | req_ring = (uint16_t *)ha->request_ring; | |
731 | for (i = 0; i < cnt; i++) | |
732 | req_ring[i] = cpu_to_le16(risc_code[i]); | |
733 | ||
734 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
735 | rval = qla2x00_load_ram(ha, | |
736 | ha->request_dma, risc_address, cnt); | |
737 | } else { | |
738 | rval = qla2x00_load_ram_ext(ha, | |
739 | ha->request_dma, risc_address, cnt); | |
740 | } | |
741 | if (rval) { | |
742 | DEBUG(printk("scsi(%ld): [ERROR] Failed to " | |
743 | "load segment %d of firmware\n", | |
744 | ha->host_no, num)); | |
745 | qla_printk(KERN_WARNING, ha, | |
746 | "[ERROR] Failed to load " | |
747 | "segment %d of firmware\n", num); | |
748 | ||
749 | qla2x00_dump_regs(ha); | |
750 | break; | |
751 | } | |
752 | ||
753 | risc_code += cnt; | |
754 | risc_address += cnt; | |
755 | risc_code_size -= cnt; | |
756 | num++; | |
757 | } | |
758 | ||
759 | /* Next firmware sequence */ | |
760 | fw_iter++; | |
761 | } | |
762 | ||
763 | /* Verify checksum of loaded RISC code. */ | |
764 | if (!rval) { | |
765 | DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " | |
766 | "code.\n", ha->host_no)); | |
767 | ||
768 | rval = qla2x00_verify_checksum(ha); | |
769 | if (rval == QLA_SUCCESS) { | |
770 | /* Start firmware execution. */ | |
771 | DEBUG(printk("scsi(%ld): Checksum OK, start " | |
772 | "firmware.\n", ha->host_no)); | |
773 | ||
774 | rval = qla2x00_execute_fw(ha); | |
775 | /* Retrieve firmware information. */ | |
776 | if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { | |
777 | qla2x00_get_fw_version(ha, | |
778 | &ha->fw_major_version, | |
779 | &ha->fw_minor_version, | |
780 | &ha->fw_subminor_version, | |
781 | &ha->fw_attributes, &ha->fw_memory_size); | |
782 | qla2x00_resize_request_q(ha); | |
783 | } | |
784 | } else { | |
785 | DEBUG2(printk(KERN_INFO | |
786 | "scsi(%ld): ISP Firmware failed checksum.\n", | |
787 | ha->host_no)); | |
788 | } | |
789 | } | |
790 | ||
791 | if (rval) { | |
792 | DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", | |
793 | ha->host_no)); | |
794 | } | |
795 | ||
796 | return (rval); | |
797 | } | |
798 | ||
799 | /** | |
800 | * qla2x00_init_response_q_entries() - Initializes response queue entries. | |
801 | * @ha: HA context | |
802 | * | |
803 | * Beginning of request ring has initialization control block already built | |
804 | * by nvram config routine. | |
805 | * | |
806 | * Returns 0 on success. | |
807 | */ | |
808 | static void | |
809 | qla2x00_init_response_q_entries(scsi_qla_host_t *ha) | |
810 | { | |
811 | uint16_t cnt; | |
812 | response_t *pkt; | |
813 | ||
814 | pkt = ha->response_ring_ptr; | |
815 | for (cnt = 0; cnt < ha->response_q_length; cnt++) { | |
816 | pkt->signature = RESPONSE_PROCESSED; | |
817 | pkt++; | |
818 | } | |
819 | ||
820 | } | |
821 | ||
822 | /** | |
823 | * qla2x00_update_fw_options() - Read and process firmware options. | |
824 | * @ha: HA context | |
825 | * | |
826 | * Returns 0 on success. | |
827 | */ | |
828 | static void | |
829 | qla2x00_update_fw_options(scsi_qla_host_t *ha) | |
830 | { | |
831 | uint16_t swing, emphasis, tx_sens, rx_sens; | |
832 | ||
833 | memset(ha->fw_options, 0, sizeof(ha->fw_options)); | |
834 | qla2x00_get_fw_options(ha, ha->fw_options); | |
835 | ||
836 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
837 | return; | |
838 | ||
839 | /* Serial Link options. */ | |
840 | DEBUG3(printk("scsi(%ld): Serial link options:\n", | |
841 | ha->host_no)); | |
842 | DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, | |
843 | sizeof(ha->fw_seriallink_options))); | |
844 | ||
845 | ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; | |
846 | if (ha->fw_seriallink_options[3] & BIT_2) { | |
847 | ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; | |
848 | ||
849 | /* 1G settings */ | |
850 | swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); | |
851 | emphasis = (ha->fw_seriallink_options[2] & | |
852 | (BIT_4 | BIT_3)) >> 3; | |
853 | tx_sens = ha->fw_seriallink_options[0] & | |
854 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
855 | rx_sens = (ha->fw_seriallink_options[0] & | |
856 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
857 | ha->fw_options[10] = (emphasis << 14) | (swing << 8); | |
858 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
859 | if (rx_sens == 0x0) | |
860 | rx_sens = 0x3; | |
861 | ha->fw_options[10] |= (tx_sens << 4) | rx_sens; | |
862 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
863 | ha->fw_options[10] |= BIT_5 | | |
864 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
865 | (tx_sens & (BIT_1 | BIT_0)); | |
866 | ||
867 | /* 2G settings */ | |
868 | swing = (ha->fw_seriallink_options[2] & | |
869 | (BIT_7 | BIT_6 | BIT_5)) >> 5; | |
870 | emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); | |
871 | tx_sens = ha->fw_seriallink_options[1] & | |
872 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
873 | rx_sens = (ha->fw_seriallink_options[1] & | |
874 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
875 | ha->fw_options[11] = (emphasis << 14) | (swing << 8); | |
876 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
877 | if (rx_sens == 0x0) | |
878 | rx_sens = 0x3; | |
879 | ha->fw_options[11] |= (tx_sens << 4) | rx_sens; | |
880 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
881 | ha->fw_options[11] |= BIT_5 | | |
882 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
883 | (tx_sens & (BIT_1 | BIT_0)); | |
884 | } | |
885 | ||
886 | /* FCP2 options. */ | |
887 | /* Return command IOCBs without waiting for an ABTS to complete. */ | |
888 | ha->fw_options[3] |= BIT_13; | |
889 | ||
890 | /* LED scheme. */ | |
891 | if (ha->flags.enable_led_scheme) | |
892 | ha->fw_options[2] |= BIT_12; | |
893 | ||
894 | /* Update firmware options. */ | |
895 | qla2x00_set_fw_options(ha, ha->fw_options); | |
896 | } | |
897 | ||
898 | /** | |
899 | * qla2x00_init_rings() - Initializes firmware. | |
900 | * @ha: HA context | |
901 | * | |
902 | * Beginning of request ring has initialization control block already built | |
903 | * by nvram config routine. | |
904 | * | |
905 | * Returns 0 on success. | |
906 | */ | |
907 | static int | |
908 | qla2x00_init_rings(scsi_qla_host_t *ha) | |
909 | { | |
910 | int rval; | |
911 | unsigned long flags = 0; | |
912 | int cnt; | |
913 | device_reg_t __iomem *reg = ha->iobase; | |
914 | ||
915 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
916 | ||
917 | /* Clear outstanding commands array. */ | |
918 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
919 | ha->outstanding_cmds[cnt] = NULL; | |
920 | ||
921 | ha->current_outstanding_cmd = 0; | |
922 | ||
923 | /* Clear RSCN queue. */ | |
924 | ha->rscn_in_ptr = 0; | |
925 | ha->rscn_out_ptr = 0; | |
926 | ||
927 | /* Initialize firmware. */ | |
928 | ha->request_ring_ptr = ha->request_ring; | |
929 | ha->req_ring_index = 0; | |
930 | ha->req_q_cnt = ha->request_q_length; | |
931 | ha->response_ring_ptr = ha->response_ring; | |
932 | ha->rsp_ring_index = 0; | |
933 | ||
934 | /* Setup ring parameters in initialization control block. */ | |
935 | ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); | |
936 | ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); | |
937 | ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); | |
938 | ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); | |
939 | ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); | |
940 | ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); | |
941 | ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); | |
942 | ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); | |
943 | ||
944 | /* Initialize response queue entries */ | |
945 | qla2x00_init_response_q_entries(ha); | |
946 | ||
947 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); | |
948 | WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); | |
949 | WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); | |
950 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); | |
951 | RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ | |
952 | ||
953 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
954 | ||
955 | /* Update any ISP specific firmware options before initialization. */ | |
956 | qla2x00_update_fw_options(ha); | |
957 | ||
958 | DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); | |
959 | rval = qla2x00_init_firmware(ha, sizeof(init_cb_t)); | |
960 | if (rval) { | |
961 | DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", | |
962 | ha->host_no)); | |
963 | } else { | |
964 | DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", | |
965 | ha->host_no)); | |
966 | } | |
967 | ||
968 | return (rval); | |
969 | } | |
970 | ||
971 | /** | |
972 | * qla2x00_fw_ready() - Waits for firmware ready. | |
973 | * @ha: HA context | |
974 | * | |
975 | * Returns 0 on success. | |
976 | */ | |
977 | static int | |
978 | qla2x00_fw_ready(scsi_qla_host_t *ha) | |
979 | { | |
980 | int rval; | |
981 | unsigned long wtime, mtime; | |
982 | uint16_t min_wait; /* Minimum wait time if loop is down */ | |
983 | uint16_t wait_time; /* Wait time if loop is coming ready */ | |
984 | uint16_t fw_state; | |
985 | ||
986 | rval = QLA_SUCCESS; | |
987 | ||
988 | /* 20 seconds for loop down. */ | |
989 | min_wait = 20; | |
990 | ||
991 | /* | |
992 | * Firmware should take at most one RATOV to login, plus 5 seconds for | |
993 | * our own processing. | |
994 | */ | |
995 | if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { | |
996 | wait_time = min_wait; | |
997 | } | |
998 | ||
999 | /* Min wait time if loop down */ | |
1000 | mtime = jiffies + (min_wait * HZ); | |
1001 | ||
1002 | /* wait time before firmware ready */ | |
1003 | wtime = jiffies + (wait_time * HZ); | |
1004 | ||
1005 | /* Wait for ISP to finish LIP */ | |
1006 | if (!ha->flags.init_done) | |
1007 | qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); | |
1008 | ||
1009 | DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", | |
1010 | ha->host_no)); | |
1011 | ||
1012 | do { | |
1013 | rval = qla2x00_get_firmware_state(ha, &fw_state); | |
1014 | if (rval == QLA_SUCCESS) { | |
1015 | if (fw_state < FSTATE_LOSS_OF_SYNC) { | |
1016 | ha->device_flags &= ~DFLG_NO_CABLE; | |
1017 | } | |
1018 | if (fw_state == FSTATE_READY) { | |
1019 | DEBUG(printk("scsi(%ld): F/W Ready - OK \n", | |
1020 | ha->host_no)); | |
1021 | ||
1022 | qla2x00_get_retry_cnt(ha, &ha->retry_count, | |
1023 | &ha->login_timeout, &ha->r_a_tov); | |
1024 | ||
1025 | rval = QLA_SUCCESS; | |
1026 | break; | |
1027 | } | |
1028 | ||
1029 | rval = QLA_FUNCTION_FAILED; | |
1030 | ||
1031 | if (atomic_read(&ha->loop_down_timer) && | |
1032 | (fw_state >= FSTATE_LOSS_OF_SYNC || | |
1033 | fw_state == FSTATE_WAIT_AL_PA)) { | |
1034 | /* Loop down. Timeout on min_wait for states | |
1035 | * other than Wait for Login. | |
1036 | */ | |
1037 | if (time_after_eq(jiffies, mtime)) { | |
1038 | qla_printk(KERN_INFO, ha, | |
1039 | "Cable is unplugged...\n"); | |
1040 | ||
1041 | ha->device_flags |= DFLG_NO_CABLE; | |
1042 | break; | |
1043 | } | |
1044 | } | |
1045 | } else { | |
1046 | /* Mailbox cmd failed. Timeout on min_wait. */ | |
1047 | if (time_after_eq(jiffies, mtime)) | |
1048 | break; | |
1049 | } | |
1050 | ||
1051 | if (time_after_eq(jiffies, wtime)) | |
1052 | break; | |
1053 | ||
1054 | /* Delay for a while */ | |
1055 | msleep(500); | |
1056 | ||
1057 | DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1058 | ha->host_no, fw_state, jiffies)); | |
1059 | } while (1); | |
1060 | ||
1061 | DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1062 | ha->host_no, fw_state, jiffies)); | |
1063 | ||
1064 | if (rval) { | |
1065 | DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", | |
1066 | ha->host_no)); | |
1067 | } | |
1068 | ||
1069 | return (rval); | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * qla2x00_configure_hba | |
1074 | * Setup adapter context. | |
1075 | * | |
1076 | * Input: | |
1077 | * ha = adapter state pointer. | |
1078 | * | |
1079 | * Returns: | |
1080 | * 0 = success | |
1081 | * | |
1082 | * Context: | |
1083 | * Kernel context. | |
1084 | */ | |
1085 | static int | |
1086 | qla2x00_configure_hba(scsi_qla_host_t *ha) | |
1087 | { | |
1088 | int rval; | |
1089 | uint16_t loop_id; | |
1090 | uint16_t topo; | |
1091 | uint8_t al_pa; | |
1092 | uint8_t area; | |
1093 | uint8_t domain; | |
1094 | char connect_type[22]; | |
1095 | ||
1096 | /* Get host addresses. */ | |
1097 | rval = qla2x00_get_adapter_id(ha, | |
1098 | &loop_id, &al_pa, &area, &domain, &topo); | |
1099 | if (rval != QLA_SUCCESS) { | |
1100 | qla_printk(KERN_WARNING, ha, | |
1101 | "ERROR -- Unable to get host loop ID.\n"); | |
1102 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1103 | return (rval); | |
1104 | } | |
1105 | ||
1106 | if (topo == 4) { | |
1107 | qla_printk(KERN_INFO, ha, | |
1108 | "Cannot get topology - retrying.\n"); | |
1109 | return (QLA_FUNCTION_FAILED); | |
1110 | } | |
1111 | ||
1112 | ha->loop_id = loop_id; | |
1113 | ||
1114 | /* initialize */ | |
1115 | ha->min_external_loopid = SNS_FIRST_LOOP_ID; | |
1116 | ha->operating_mode = LOOP; | |
1117 | ||
1118 | switch (topo) { | |
1119 | case 0: | |
1120 | DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", | |
1121 | ha->host_no)); | |
1122 | ha->current_topology = ISP_CFG_NL; | |
1123 | strcpy(connect_type, "(Loop)"); | |
1124 | break; | |
1125 | ||
1126 | case 1: | |
1127 | DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", | |
1128 | ha->host_no)); | |
1129 | ha->current_topology = ISP_CFG_FL; | |
1130 | strcpy(connect_type, "(FL_Port)"); | |
1131 | break; | |
1132 | ||
1133 | case 2: | |
1134 | DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", | |
1135 | ha->host_no)); | |
1136 | ha->operating_mode = P2P; | |
1137 | ha->current_topology = ISP_CFG_N; | |
1138 | strcpy(connect_type, "(N_Port-to-N_Port)"); | |
1139 | break; | |
1140 | ||
1141 | case 3: | |
1142 | DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", | |
1143 | ha->host_no)); | |
1144 | ha->operating_mode = P2P; | |
1145 | ha->current_topology = ISP_CFG_F; | |
1146 | strcpy(connect_type, "(F_Port)"); | |
1147 | break; | |
1148 | ||
1149 | default: | |
1150 | DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " | |
1151 | "Using NL.\n", | |
1152 | ha->host_no, topo)); | |
1153 | ha->current_topology = ISP_CFG_NL; | |
1154 | strcpy(connect_type, "(Loop)"); | |
1155 | break; | |
1156 | } | |
1157 | ||
1158 | /* Save Host port and loop ID. */ | |
1159 | /* byte order - Big Endian */ | |
1160 | ha->d_id.b.domain = domain; | |
1161 | ha->d_id.b.area = area; | |
1162 | ha->d_id.b.al_pa = al_pa; | |
1163 | ||
1164 | if (!ha->flags.init_done) | |
1165 | qla_printk(KERN_INFO, ha, | |
1166 | "Topology - %s, Host Loop address 0x%x\n", | |
1167 | connect_type, ha->loop_id); | |
1168 | ||
1169 | if (rval) { | |
1170 | DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); | |
1171 | } else { | |
1172 | DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); | |
1173 | } | |
1174 | ||
1175 | return(rval); | |
1176 | } | |
1177 | ||
1178 | /* | |
1179 | * NVRAM configuration for ISP 2xxx | |
1180 | * | |
1181 | * Input: | |
1182 | * ha = adapter block pointer. | |
1183 | * | |
1184 | * Output: | |
1185 | * initialization control block in response_ring | |
1186 | * host adapters parameters in host adapter block | |
1187 | * | |
1188 | * Returns: | |
1189 | * 0 = success. | |
1190 | */ | |
1191 | static int | |
1192 | qla2x00_nvram_config(scsi_qla_host_t *ha) | |
1193 | { | |
1194 | int rval; | |
1195 | uint8_t chksum = 0; | |
1196 | uint16_t cnt; | |
1197 | uint8_t *dptr1, *dptr2; | |
1198 | init_cb_t *icb = ha->init_cb; | |
1199 | nvram_t *nv = (nvram_t *)ha->request_ring; | |
1200 | uint16_t *wptr = (uint16_t *)ha->request_ring; | |
1201 | device_reg_t __iomem *reg = ha->iobase; | |
1202 | uint8_t timer_mode; | |
1203 | ||
1204 | rval = QLA_SUCCESS; | |
1205 | ||
1206 | /* Determine NVRAM starting address. */ | |
1207 | ha->nvram_base = 0; | |
1208 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) | |
1209 | if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) | |
1210 | ha->nvram_base = 0x80; | |
1211 | ||
1212 | /* Get NVRAM data and calculate checksum. */ | |
1213 | qla2x00_lock_nvram_access(ha); | |
1214 | for (cnt = 0; cnt < sizeof(nvram_t)/2; cnt++) { | |
1215 | *wptr = cpu_to_le16(qla2x00_get_nvram_word(ha, | |
1216 | (cnt+ha->nvram_base))); | |
1217 | chksum += (uint8_t)*wptr; | |
1218 | chksum += (uint8_t)(*wptr >> 8); | |
1219 | wptr++; | |
1220 | } | |
1221 | qla2x00_unlock_nvram_access(ha); | |
1222 | ||
1223 | DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); | |
1224 | DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, | |
1225 | sizeof(nvram_t))); | |
1226 | ||
1227 | /* Bad NVRAM data, set defaults parameters. */ | |
1228 | if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || | |
1229 | nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { | |
1230 | /* Reset NVRAM data. */ | |
1231 | qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " | |
1232 | "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], | |
1233 | nv->nvram_version); | |
1234 | qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " | |
1235 | "invalid -- WWPN) defaults.\n"); | |
1236 | ||
1237 | /* | |
1238 | * Set default initialization control block. | |
1239 | */ | |
1240 | memset(nv, 0, sizeof(nvram_t)); | |
1241 | nv->parameter_block_version = ICB_VERSION; | |
1242 | ||
1243 | if (IS_QLA23XX(ha)) { | |
1244 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1245 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1246 | nv->add_firmware_options[0] = BIT_5; | |
1247 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1248 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1249 | nv->special_options[1] = BIT_7; | |
1250 | } else if (IS_QLA2200(ha)) { | |
1251 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1252 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1253 | nv->add_firmware_options[0] = BIT_5; | |
1254 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1255 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1256 | } else if (IS_QLA2100(ha)) { | |
1257 | nv->firmware_options[0] = BIT_3 | BIT_1; | |
1258 | nv->firmware_options[1] = BIT_5; | |
1259 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1260 | } | |
1261 | ||
1262 | nv->max_iocb_allocation = __constant_cpu_to_le16(256); | |
1263 | nv->execution_throttle = __constant_cpu_to_le16(16); | |
1264 | nv->retry_count = 8; | |
1265 | nv->retry_delay = 1; | |
1266 | ||
1267 | nv->port_name[0] = 33; | |
1268 | nv->port_name[3] = 224; | |
1269 | nv->port_name[4] = 139; | |
1270 | ||
1271 | nv->login_timeout = 4; | |
1272 | ||
1273 | /* | |
1274 | * Set default host adapter parameters | |
1275 | */ | |
1276 | nv->host_p[1] = BIT_2; | |
1277 | nv->reset_delay = 5; | |
1278 | nv->port_down_retry_count = 8; | |
1279 | nv->max_luns_per_target = __constant_cpu_to_le16(8); | |
1280 | nv->link_down_timeout = 60; | |
1281 | ||
1282 | rval = 1; | |
1283 | } | |
1284 | ||
1285 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1286 | /* | |
1287 | * The SN2 does not provide BIOS emulation which means you can't change | |
1288 | * potentially bogus BIOS settings. Force the use of default settings | |
1289 | * for link rate and frame size. Hope that the rest of the settings | |
1290 | * are valid. | |
1291 | */ | |
1292 | if (ia64_platform_is("sn2")) { | |
1293 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1294 | if (IS_QLA23XX(ha)) | |
1295 | nv->special_options[1] = BIT_7; | |
1296 | } | |
1297 | #endif | |
1298 | ||
1299 | /* Reset Initialization control block */ | |
1300 | memset(icb, 0, sizeof(init_cb_t)); | |
1301 | ||
1302 | /* | |
1303 | * Setup driver NVRAM options. | |
1304 | */ | |
1305 | nv->firmware_options[0] |= (BIT_6 | BIT_1); | |
1306 | nv->firmware_options[0] &= ~(BIT_5 | BIT_4); | |
1307 | nv->firmware_options[1] |= (BIT_5 | BIT_0); | |
1308 | nv->firmware_options[1] &= ~BIT_4; | |
1309 | ||
1310 | if (IS_QLA23XX(ha)) { | |
1311 | nv->firmware_options[0] |= BIT_2; | |
1312 | nv->firmware_options[0] &= ~BIT_3; | |
1313 | ||
1314 | if (IS_QLA2300(ha)) { | |
1315 | if (ha->fb_rev == FPM_2310) { | |
1316 | strcpy(ha->model_number, "QLA2310"); | |
1317 | } else { | |
1318 | strcpy(ha->model_number, "QLA2300"); | |
1319 | } | |
1320 | } else { | |
1321 | if (rval == 0 && | |
1322 | memcmp(nv->model_number, BINZERO, | |
1323 | sizeof(nv->model_number)) != 0) { | |
1324 | char *st, *en; | |
1325 | ||
1326 | strncpy(ha->model_number, nv->model_number, | |
1327 | sizeof(nv->model_number)); | |
1328 | st = en = ha->model_number; | |
1329 | en += sizeof(nv->model_number) - 1; | |
1330 | while (en > st) { | |
1331 | if (*en != 0x20 && *en != 0x00) | |
1332 | break; | |
1333 | *en-- = '\0'; | |
1334 | } | |
1335 | } else { | |
1336 | uint16_t index; | |
1337 | ||
1338 | index = (ha->pdev->subsystem_device & 0xff); | |
1339 | if (index < QLA_MODEL_NAMES) { | |
1340 | strcpy(ha->model_number, | |
1341 | qla2x00_model_name[index]); | |
1342 | ha->model_desc = | |
1343 | qla2x00_model_desc[index]; | |
1344 | } else { | |
1345 | strcpy(ha->model_number, "QLA23xx"); | |
1346 | } | |
1347 | } | |
1348 | } | |
1349 | } else if (IS_QLA2200(ha)) { | |
1350 | nv->firmware_options[0] |= BIT_2; | |
1351 | /* | |
1352 | * 'Point-to-point preferred, else loop' is not a safe | |
1353 | * connection mode setting. | |
1354 | */ | |
1355 | if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == | |
1356 | (BIT_5 | BIT_4)) { | |
1357 | /* Force 'loop preferred, else point-to-point'. */ | |
1358 | nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); | |
1359 | nv->add_firmware_options[0] |= BIT_5; | |
1360 | } | |
1361 | strcpy(ha->model_number, "QLA22xx"); | |
1362 | } else /*if (IS_QLA2100(ha))*/ { | |
1363 | strcpy(ha->model_number, "QLA2100"); | |
1364 | } | |
1365 | ||
1366 | /* | |
1367 | * Copy over NVRAM RISC parameter block to initialization control block. | |
1368 | */ | |
1369 | dptr1 = (uint8_t *)icb; | |
1370 | dptr2 = (uint8_t *)&nv->parameter_block_version; | |
1371 | cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; | |
1372 | while (cnt--) | |
1373 | *dptr1++ = *dptr2++; | |
1374 | ||
1375 | /* Copy 2nd half. */ | |
1376 | dptr1 = (uint8_t *)icb->add_firmware_options; | |
1377 | cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; | |
1378 | while (cnt--) | |
1379 | *dptr1++ = *dptr2++; | |
1380 | ||
1381 | /* Prepare nodename */ | |
1382 | if ((icb->firmware_options[1] & BIT_6) == 0) { | |
1383 | /* | |
1384 | * Firmware will apply the following mask if the nodename was | |
1385 | * not provided. | |
1386 | */ | |
1387 | memcpy(icb->node_name, icb->port_name, WWN_SIZE); | |
1388 | icb->node_name[0] &= 0xF0; | |
1389 | } | |
1390 | ||
1391 | /* | |
1392 | * Set host adapter parameters. | |
1393 | */ | |
1394 | ha->nvram_version = nv->nvram_version; | |
1395 | ||
1396 | ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); | |
1397 | /* Always load RISC code on non ISP2[12]00 chips. */ | |
1398 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1399 | ha->flags.disable_risc_code_load = 0; | |
1400 | ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); | |
1401 | ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); | |
1402 | ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); | |
1403 | ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0); | |
1404 | ||
1405 | ha->operating_mode = | |
1406 | (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; | |
1407 | ||
1408 | memcpy(ha->fw_seriallink_options, nv->seriallink_options, | |
1409 | sizeof(ha->fw_seriallink_options)); | |
1410 | ||
1411 | /* save HBA serial number */ | |
1412 | ha->serial0 = icb->port_name[5]; | |
1413 | ha->serial1 = icb->port_name[6]; | |
1414 | ha->serial2 = icb->port_name[7]; | |
1415 | memcpy(ha->node_name, icb->node_name, WWN_SIZE); | |
1416 | ||
1417 | icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); | |
1418 | ||
1419 | ha->retry_count = nv->retry_count; | |
1420 | ||
1421 | /* Set minimum login_timeout to 4 seconds. */ | |
1422 | if (nv->login_timeout < ql2xlogintimeout) | |
1423 | nv->login_timeout = ql2xlogintimeout; | |
1424 | if (nv->login_timeout < 4) | |
1425 | nv->login_timeout = 4; | |
1426 | ha->login_timeout = nv->login_timeout; | |
1427 | icb->login_timeout = nv->login_timeout; | |
1428 | ||
1429 | /* Set minimum RATOV to 200 tenths of a second. */ | |
1430 | ha->r_a_tov = 200; | |
1431 | ||
1432 | ha->minimum_timeout = | |
1433 | (ha->login_timeout * ha->retry_count) + nv->port_down_retry_count; | |
1434 | ha->loop_reset_delay = nv->reset_delay; | |
1435 | ||
1436 | /* Will get the value from NVRAM. */ | |
1437 | ha->loop_down_timeout = LOOP_DOWN_TIMEOUT; | |
1438 | ||
1439 | /* Link Down Timeout = 0: | |
1440 | * | |
1441 | * When Port Down timer expires we will start returning | |
1442 | * I/O's to OS with "DID_NO_CONNECT". | |
1443 | * | |
1444 | * Link Down Timeout != 0: | |
1445 | * | |
1446 | * The driver waits for the link to come up after link down | |
1447 | * before returning I/Os to OS with "DID_NO_CONNECT". | |
1448 | */ | |
1449 | if (nv->link_down_timeout == 0) { | |
1450 | ha->loop_down_abort_time = | |
1451 | (LOOP_DOWN_TIME - ha->loop_down_timeout); | |
1452 | } else { | |
1453 | ha->link_down_timeout = nv->link_down_timeout; | |
1454 | ha->loop_down_abort_time = | |
1455 | (LOOP_DOWN_TIME - ha->link_down_timeout); | |
1456 | } | |
1457 | ||
1458 | ha->max_luns = MAX_LUNS; | |
1459 | ha->max_probe_luns = le16_to_cpu(nv->max_luns_per_target); | |
1460 | if (ha->max_probe_luns == 0) | |
1461 | ha->max_probe_luns = MIN_LUNS; | |
1462 | ||
1463 | /* | |
1464 | * Need enough time to try and get the port back. | |
1465 | */ | |
1466 | ha->port_down_retry_count = nv->port_down_retry_count; | |
1467 | if (qlport_down_retry) | |
1468 | ha->port_down_retry_count = qlport_down_retry; | |
1469 | /* Set login_retry_count */ | |
1470 | ha->login_retry_count = nv->retry_count; | |
1471 | if (ha->port_down_retry_count == nv->port_down_retry_count && | |
1472 | ha->port_down_retry_count > 3) | |
1473 | ha->login_retry_count = ha->port_down_retry_count; | |
1474 | else if (ha->port_down_retry_count > (int)ha->login_retry_count) | |
1475 | ha->login_retry_count = ha->port_down_retry_count; | |
1476 | if (ql2xloginretrycount) | |
1477 | ha->login_retry_count = ql2xloginretrycount; | |
1478 | ||
1479 | ha->binding_type = Bind; | |
1480 | if (ha->binding_type != BIND_BY_PORT_NAME && | |
1481 | ha->binding_type != BIND_BY_PORT_ID) { | |
1482 | qla_printk(KERN_WARNING, ha, | |
1483 | "Invalid binding type specified (%d), " | |
1484 | "defaulting to BIND_BY_PORT_NAME!!!\n", ha->binding_type); | |
1485 | ||
1486 | ha->binding_type = BIND_BY_PORT_NAME; | |
1487 | } | |
1488 | ||
1489 | icb->lun_enables = __constant_cpu_to_le16(0); | |
1490 | icb->command_resource_count = 0; | |
1491 | icb->immediate_notify_resource_count = 0; | |
1492 | icb->timeout = __constant_cpu_to_le16(0); | |
1493 | ||
1494 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1495 | /* Enable RIO */ | |
1496 | icb->firmware_options[0] &= ~BIT_3; | |
1497 | icb->add_firmware_options[0] &= | |
1498 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1499 | icb->add_firmware_options[0] |= BIT_2; | |
1500 | icb->response_accumulation_timer = 3; | |
1501 | icb->interrupt_delay_timer = 5; | |
1502 | ||
1503 | ha->flags.process_response_queue = 1; | |
1504 | } else { | |
1505 | /* Enable ZIO -- Support mode 5 only. */ | |
1506 | timer_mode = icb->add_firmware_options[0] & | |
1507 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1508 | icb->add_firmware_options[0] &= | |
1509 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1510 | if (ql2xenablezio) | |
1511 | timer_mode = BIT_2 | BIT_0; | |
1512 | if (timer_mode == (BIT_2 | BIT_0)) { | |
1513 | DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " | |
1514 | "(%d).\n", ha->host_no, ql2xintrdelaytimer)); | |
1515 | qla_printk(KERN_INFO, ha, | |
1516 | "ZIO enabled; timer delay (%d).\n", | |
1517 | ql2xintrdelaytimer); | |
1518 | ||
1519 | icb->add_firmware_options[0] |= timer_mode; | |
1520 | icb->interrupt_delay_timer = ql2xintrdelaytimer; | |
1521 | ha->flags.process_response_queue = 1; | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | if (rval) { | |
1526 | DEBUG2_3(printk(KERN_WARNING | |
1527 | "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); | |
1528 | } | |
1529 | return (rval); | |
1530 | } | |
1531 | ||
1532 | /* | |
1533 | * qla2x00_init_tgt_map | |
1534 | * Initializes target map. | |
1535 | * | |
1536 | * Input: | |
1537 | * ha = adapter block pointer. | |
1538 | * | |
1539 | * Output: | |
1540 | * TGT_Q initialized | |
1541 | */ | |
1542 | static void | |
1543 | qla2x00_init_tgt_map(scsi_qla_host_t *ha) | |
1544 | { | |
1545 | uint32_t t; | |
1546 | ||
1547 | for (t = 0; t < MAX_TARGETS; t++) | |
1548 | TGT_Q(ha, t) = (os_tgt_t *)NULL; | |
1549 | } | |
1550 | ||
1551 | /** | |
1552 | * qla2x00_alloc_fcport() - Allocate a generic fcport. | |
1553 | * @ha: HA context | |
1554 | * @flags: allocation flags | |
1555 | * | |
1556 | * Returns a pointer to the allocated fcport, or NULL, if none available. | |
1557 | */ | |
1558 | fc_port_t * | |
1559 | qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) | |
1560 | { | |
1561 | fc_port_t *fcport; | |
1562 | ||
1563 | fcport = kmalloc(sizeof(fc_port_t), flags); | |
1564 | if (fcport == NULL) | |
1565 | return (fcport); | |
1566 | ||
1567 | /* Setup fcport template structure. */ | |
1568 | memset(fcport, 0, sizeof (fc_port_t)); | |
1569 | fcport->ha = ha; | |
1570 | fcport->port_type = FCT_UNKNOWN; | |
1571 | fcport->loop_id = FC_NO_LOOP_ID; | |
1572 | fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; | |
1573 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
1574 | fcport->flags = FCF_RLC_SUPPORT; | |
1575 | INIT_LIST_HEAD(&fcport->fcluns); | |
1576 | ||
1577 | return (fcport); | |
1578 | } | |
1579 | ||
1580 | /* | |
1581 | * qla2x00_configure_loop | |
1582 | * Updates Fibre Channel Device Database with what is actually on loop. | |
1583 | * | |
1584 | * Input: | |
1585 | * ha = adapter block pointer. | |
1586 | * | |
1587 | * Returns: | |
1588 | * 0 = success. | |
1589 | * 1 = error. | |
1590 | * 2 = database was full and device was not configured. | |
1591 | */ | |
1592 | static int | |
1593 | qla2x00_configure_loop(scsi_qla_host_t *ha) | |
1594 | { | |
1595 | int rval; | |
1596 | unsigned long flags, save_flags; | |
1597 | ||
1598 | rval = QLA_SUCCESS; | |
1599 | ||
1600 | /* Get Initiator ID */ | |
1601 | if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { | |
1602 | rval = qla2x00_configure_hba(ha); | |
1603 | if (rval != QLA_SUCCESS) { | |
1604 | DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", | |
1605 | ha->host_no)); | |
1606 | return (rval); | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | save_flags = flags = ha->dpc_flags; | |
1611 | DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", | |
1612 | ha->host_no, flags)); | |
1613 | ||
1614 | /* | |
1615 | * If we have both an RSCN and PORT UPDATE pending then handle them | |
1616 | * both at the same time. | |
1617 | */ | |
1618 | clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1619 | clear_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1620 | ha->mem_err = 0 ; | |
1621 | ||
1622 | /* Determine what we need to do */ | |
1623 | if (ha->current_topology == ISP_CFG_FL && | |
1624 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1625 | ||
1626 | ha->flags.rscn_queue_overflow = 1; | |
1627 | set_bit(RSCN_UPDATE, &flags); | |
1628 | ||
1629 | } else if (ha->current_topology == ISP_CFG_F && | |
1630 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1631 | ||
1632 | ha->flags.rscn_queue_overflow = 1; | |
1633 | set_bit(RSCN_UPDATE, &flags); | |
1634 | clear_bit(LOCAL_LOOP_UPDATE, &flags); | |
1635 | ||
1636 | } else if (!ha->flags.online || | |
1637 | (test_bit(ABORT_ISP_ACTIVE, &flags))) { | |
1638 | ||
1639 | ha->flags.rscn_queue_overflow = 1; | |
1640 | set_bit(RSCN_UPDATE, &flags); | |
1641 | set_bit(LOCAL_LOOP_UPDATE, &flags); | |
1642 | } | |
1643 | ||
1644 | if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { | |
1645 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1646 | rval = QLA_FUNCTION_FAILED; | |
1647 | } else { | |
1648 | rval = qla2x00_configure_local_loop(ha); | |
1649 | } | |
1650 | } | |
1651 | ||
1652 | if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { | |
1653 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1654 | rval = QLA_FUNCTION_FAILED; | |
1655 | } else { | |
1656 | rval = qla2x00_configure_fabric(ha); | |
1657 | } | |
1658 | } | |
1659 | ||
1660 | if (rval == QLA_SUCCESS) { | |
1661 | if (atomic_read(&ha->loop_down_timer) || | |
1662 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1663 | rval = QLA_FUNCTION_FAILED; | |
1664 | } else { | |
1665 | qla2x00_config_os(ha); | |
1666 | atomic_set(&ha->loop_state, LOOP_READY); | |
1667 | ||
1668 | DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | if (rval) { | |
1673 | DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", | |
1674 | __func__, ha->host_no)); | |
1675 | } else { | |
1676 | DEBUG3(printk("%s: exiting normally\n", __func__)); | |
1677 | } | |
1678 | ||
1679 | /* Restore state if a resync event occured during processing */ | |
1680 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1681 | if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) | |
1682 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1683 | if (test_bit(RSCN_UPDATE, &save_flags)) | |
1684 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1685 | } | |
1686 | ||
1687 | return (rval); | |
1688 | } | |
1689 | ||
1690 | ||
1691 | ||
1692 | /* | |
1693 | * qla2x00_configure_local_loop | |
1694 | * Updates Fibre Channel Device Database with local loop devices. | |
1695 | * | |
1696 | * Input: | |
1697 | * ha = adapter block pointer. | |
1698 | * | |
1699 | * Returns: | |
1700 | * 0 = success. | |
1701 | */ | |
1702 | static int | |
1703 | qla2x00_configure_local_loop(scsi_qla_host_t *ha) | |
1704 | { | |
1705 | int rval, rval2; | |
1706 | int found_devs; | |
1707 | int found; | |
1708 | fc_port_t *fcport, *new_fcport; | |
1709 | ||
1710 | uint16_t index; | |
1711 | uint16_t entries; | |
1712 | char *id_iter; | |
1713 | uint16_t loop_id; | |
1714 | uint8_t domain, area, al_pa; | |
1715 | ||
1716 | found_devs = 0; | |
1717 | new_fcport = NULL; | |
1718 | entries = MAX_FIBRE_DEVICES; | |
1719 | ||
1720 | DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); | |
1721 | DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); | |
1722 | ||
1723 | /* Get list of logged in devices. */ | |
1724 | memset(ha->gid_list, 0, GID_LIST_SIZE); | |
1725 | rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, | |
1726 | &entries); | |
1727 | if (rval != QLA_SUCCESS) | |
1728 | goto cleanup_allocation; | |
1729 | ||
1730 | DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", | |
1731 | ha->host_no, entries)); | |
1732 | DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, | |
1733 | entries * sizeof(struct gid_list_info))); | |
1734 | ||
1735 | /* Allocate temporary fcport for any new fcports discovered. */ | |
1736 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1737 | if (new_fcport == NULL) { | |
1738 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1739 | goto cleanup_allocation; | |
1740 | } | |
1741 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1742 | ||
1743 | /* | |
1744 | * Mark local devices that were present with FCF_DEVICE_LOST for now. | |
1745 | */ | |
1746 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1747 | if (atomic_read(&fcport->state) == FCS_ONLINE && | |
1748 | fcport->port_type != FCT_BROADCAST && | |
1749 | (fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
1750 | ||
1751 | DEBUG(printk("scsi(%ld): Marking port lost, " | |
1752 | "loop_id=0x%04x\n", | |
1753 | ha->host_no, fcport->loop_id)); | |
1754 | ||
1755 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1756 | fcport->flags &= ~FCF_FARP_DONE; | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | /* Add devices to port list. */ | |
1761 | id_iter = (char *)ha->gid_list; | |
1762 | for (index = 0; index < entries; index++) { | |
1763 | domain = ((struct gid_list_info *)id_iter)->domain; | |
1764 | area = ((struct gid_list_info *)id_iter)->area; | |
1765 | al_pa = ((struct gid_list_info *)id_iter)->al_pa; | |
1766 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1767 | loop_id = (uint16_t) | |
1768 | ((struct gid_list_info *)id_iter)->loop_id_2100; | |
1769 | id_iter += 4; | |
1770 | } else { | |
1771 | loop_id = le16_to_cpu( | |
1772 | ((struct gid_list_info *)id_iter)->loop_id); | |
1773 | id_iter += 6; | |
1774 | } | |
1775 | ||
1776 | /* Bypass reserved domain fields. */ | |
1777 | if ((domain & 0xf0) == 0xf0) | |
1778 | continue; | |
1779 | ||
1780 | /* Bypass if not same domain and area of adapter. */ | |
1781 | if (area != ha->d_id.b.area || domain != ha->d_id.b.domain) | |
1782 | continue; | |
1783 | ||
1784 | /* Bypass invalid local loop ID. */ | |
1785 | if (loop_id > LAST_LOCAL_LOOP_ID) | |
1786 | continue; | |
1787 | ||
1788 | /* Fill in member data. */ | |
1789 | new_fcport->d_id.b.domain = domain; | |
1790 | new_fcport->d_id.b.area = area; | |
1791 | new_fcport->d_id.b.al_pa = al_pa; | |
1792 | new_fcport->loop_id = loop_id; | |
1793 | rval2 = qla2x00_get_port_database(ha, new_fcport, 0); | |
1794 | if (rval2 != QLA_SUCCESS) { | |
1795 | DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " | |
1796 | "information -- get_port_database=%x, " | |
1797 | "loop_id=0x%04x\n", | |
1798 | ha->host_no, rval2, new_fcport->loop_id)); | |
1799 | continue; | |
1800 | } | |
1801 | ||
1802 | /* Check for matching device in port list. */ | |
1803 | found = 0; | |
1804 | fcport = NULL; | |
1805 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1806 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
1807 | WWN_SIZE)) | |
1808 | continue; | |
1809 | ||
1810 | fcport->flags &= ~(FCF_FABRIC_DEVICE | | |
1811 | FCF_PERSISTENT_BOUND); | |
1812 | fcport->loop_id = new_fcport->loop_id; | |
1813 | fcport->port_type = new_fcport->port_type; | |
1814 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
1815 | memcpy(fcport->node_name, new_fcport->node_name, | |
1816 | WWN_SIZE); | |
1817 | ||
1818 | found++; | |
1819 | break; | |
1820 | } | |
1821 | ||
1822 | if (!found) { | |
1823 | /* New device, add to fcports list. */ | |
1824 | new_fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
1825 | list_add_tail(&new_fcport->list, &ha->fcports); | |
1826 | ||
1827 | /* Allocate a new replacement fcport. */ | |
1828 | fcport = new_fcport; | |
1829 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1830 | if (new_fcport == NULL) { | |
1831 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1832 | goto cleanup_allocation; | |
1833 | } | |
1834 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1835 | } | |
1836 | ||
1837 | qla2x00_update_fcport(ha, fcport); | |
1838 | ||
1839 | found_devs++; | |
1840 | } | |
1841 | ||
1842 | cleanup_allocation: | |
1843 | if (new_fcport) | |
1844 | kfree(new_fcport); | |
1845 | ||
1846 | if (rval != QLA_SUCCESS) { | |
1847 | DEBUG2(printk("scsi(%ld): Configure local loop error exit: " | |
1848 | "rval=%x\n", ha->host_no, rval)); | |
1849 | } | |
1850 | ||
1851 | if (found_devs) { | |
1852 | ha->device_flags |= DFLG_LOCAL_DEVICES; | |
1853 | ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; | |
1854 | } | |
1855 | ||
1856 | return (rval); | |
1857 | } | |
1858 | ||
1859 | static void | |
1860 | qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) | |
1861 | { | |
1862 | fc_port_t *fcport; | |
1863 | ||
1864 | qla2x00_mark_all_devices_lost(ha); | |
1865 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1866 | if (fcport->port_type != FCT_TARGET) | |
1867 | continue; | |
1868 | ||
1869 | qla2x00_update_fcport(ha, fcport); | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | /* | |
1874 | * qla2x00_update_fcport | |
1875 | * Updates device on list. | |
1876 | * | |
1877 | * Input: | |
1878 | * ha = adapter block pointer. | |
1879 | * fcport = port structure pointer. | |
1880 | * | |
1881 | * Return: | |
1882 | * 0 - Success | |
1883 | * BIT_0 - error | |
1884 | * | |
1885 | * Context: | |
1886 | * Kernel context. | |
1887 | */ | |
1888 | static void | |
1889 | qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1890 | { | |
1891 | uint16_t index; | |
1892 | unsigned long flags; | |
1893 | srb_t *sp; | |
1894 | ||
1895 | fcport->ha = ha; | |
1896 | fcport->login_retry = 0; | |
1897 | fcport->port_login_retry_count = ha->port_down_retry_count * | |
1898 | PORT_RETRY_TIME; | |
1899 | atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * | |
1900 | PORT_RETRY_TIME); | |
1901 | fcport->flags &= ~FCF_LOGIN_NEEDED; | |
1902 | ||
1903 | /* | |
1904 | * Check for outstanding cmd on tape Bypass LUN discovery if active | |
1905 | * command on tape. | |
1906 | */ | |
1907 | if (fcport->flags & FCF_TAPE_PRESENT) { | |
1908 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1909 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
1910 | if ((sp = ha->outstanding_cmds[index]) != 0) { | |
1911 | if (sp->fclun->fcport == fcport) { | |
1912 | atomic_set(&fcport->state, FCS_ONLINE); | |
1913 | spin_unlock_irqrestore( | |
1914 | &ha->hardware_lock, flags); | |
1915 | return; | |
1916 | } | |
1917 | } | |
1918 | } | |
1919 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1920 | } | |
1921 | ||
1922 | /* Do LUN discovery. */ | |
1923 | if (fcport->port_type == FCT_INITIATOR || | |
1924 | fcport->port_type == FCT_BROADCAST) { | |
1925 | fcport->device_type = TYPE_PROCESSOR; | |
1926 | } else { | |
1927 | qla2x00_lun_discovery(ha, fcport); | |
1928 | } | |
1929 | atomic_set(&fcport->state, FCS_ONLINE); | |
1930 | } | |
1931 | ||
1932 | /* | |
1933 | * qla2x00_lun_discovery | |
1934 | * Issue SCSI inquiry command for LUN discovery. | |
1935 | * | |
1936 | * Input: | |
1937 | * ha: adapter state pointer. | |
1938 | * fcport: FC port structure pointer. | |
1939 | * | |
1940 | * Context: | |
1941 | * Kernel context. | |
1942 | */ | |
1943 | static void | |
1944 | qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1945 | { | |
1946 | inq_cmd_rsp_t *inq; | |
1947 | dma_addr_t inq_dma; | |
1948 | uint16_t lun; | |
1949 | ||
1950 | inq = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &inq_dma); | |
1951 | if (inq == NULL) { | |
1952 | qla_printk(KERN_WARNING, ha, | |
1953 | "Memory Allocation failed - INQ\n"); | |
1954 | return; | |
1955 | } | |
1956 | ||
1957 | /* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */ | |
1958 | qla2x00_add_lun(fcport, 0); | |
1959 | ||
1960 | /* If report LUN works, exit. */ | |
1961 | if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) != | |
1962 | QLA_SUCCESS) { | |
1963 | for (lun = 0; lun < ha->max_probe_luns; lun++) { | |
1964 | /* Configure LUN. */ | |
1965 | qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); | |
1966 | } | |
1967 | } | |
1968 | ||
1969 | dma_pool_free(ha->s_dma_pool, inq, inq_dma); | |
1970 | } | |
1971 | ||
1972 | /* | |
1973 | * qla2x00_rpt_lun_discovery | |
1974 | * Issue SCSI report LUN command for LUN discovery. | |
1975 | * | |
1976 | * Input: | |
1977 | * ha: adapter state pointer. | |
1978 | * fcport: FC port structure pointer. | |
1979 | * | |
1980 | * Returns: | |
1981 | * qla2x00 local function return status code. | |
1982 | * | |
1983 | * Context: | |
1984 | * Kernel context. | |
1985 | */ | |
1986 | static int | |
1987 | qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport, | |
1988 | inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
1989 | { | |
1990 | int rval; | |
1991 | uint32_t len, cnt; | |
1992 | uint16_t lun; | |
1993 | ||
1994 | /* Assume a failed status */ | |
1995 | rval = QLA_FUNCTION_FAILED; | |
1996 | ||
1997 | /* No point in continuing if the device doesn't support RLC */ | |
1998 | if ((fcport->flags & FCF_RLC_SUPPORT) == 0) | |
1999 | return (rval); | |
2000 | ||
2001 | rval = qla2x00_report_lun(ha, fcport); | |
2002 | if (rval != QLA_SUCCESS) | |
2003 | return (rval); | |
2004 | ||
2005 | /* Configure LUN list. */ | |
2006 | len = be32_to_cpu(ha->rlc_rsp->list.hdr.len); | |
2007 | len /= 8; | |
2008 | for (cnt = 0; cnt < len; cnt++) { | |
2009 | lun = CHAR_TO_SHORT(ha->rlc_rsp->list.lst[cnt].lsb, | |
2010 | ha->rlc_rsp->list.lst[cnt].msb.b); | |
2011 | ||
2012 | DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun)); | |
2013 | ||
2014 | /* We only support 0 through MAX_LUNS-1 range */ | |
2015 | if (lun < MAX_LUNS) { | |
2016 | qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); | |
2017 | } | |
2018 | } | |
2019 | atomic_set(&fcport->state, FCS_ONLINE); | |
2020 | ||
2021 | return (rval); | |
2022 | } | |
2023 | ||
2024 | /* | |
2025 | * qla2x00_report_lun | |
2026 | * Issue SCSI report LUN command. | |
2027 | * | |
2028 | * Input: | |
2029 | * ha: adapter state pointer. | |
2030 | * fcport: FC port structure pointer. | |
2031 | * | |
2032 | * Returns: | |
2033 | * qla2x00 local function return status code. | |
2034 | * | |
2035 | * Context: | |
2036 | * Kernel context. | |
2037 | */ | |
2038 | static int | |
2039 | qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport) | |
2040 | { | |
2041 | int rval; | |
2042 | uint16_t retries; | |
2043 | uint16_t comp_status; | |
2044 | uint16_t scsi_status; | |
2045 | rpt_lun_cmd_rsp_t *rlc; | |
2046 | dma_addr_t rlc_dma; | |
2047 | ||
2048 | rval = QLA_FUNCTION_FAILED; | |
2049 | rlc = ha->rlc_rsp; | |
2050 | rlc_dma = ha->rlc_rsp_dma; | |
2051 | ||
2052 | for (retries = 3; retries; retries--) { | |
2053 | memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t)); | |
2054 | rlc->p.cmd.entry_type = COMMAND_A64_TYPE; | |
2055 | rlc->p.cmd.entry_count = 1; | |
2056 | SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id); | |
2057 | rlc->p.cmd.control_flags = | |
2058 | __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); | |
2059 | rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS; | |
2060 | rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t)); | |
2061 | rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t)); | |
2062 | rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1); | |
2063 | rlc->p.cmd.timeout = __constant_cpu_to_le16(10); | |
2064 | rlc->p.cmd.byte_count = | |
2065 | __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); | |
2066 | rlc->p.cmd.dseg_0_address[0] = cpu_to_le32( | |
2067 | LSD(rlc_dma + sizeof(sts_entry_t))); | |
2068 | rlc->p.cmd.dseg_0_address[1] = cpu_to_le32( | |
2069 | MSD(rlc_dma + sizeof(sts_entry_t))); | |
2070 | rlc->p.cmd.dseg_0_length = | |
2071 | __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); | |
2072 | ||
2073 | rval = qla2x00_issue_iocb(ha, rlc, rlc_dma, | |
2074 | sizeof(rpt_lun_cmd_rsp_t)); | |
2075 | ||
2076 | comp_status = le16_to_cpu(rlc->p.rsp.comp_status); | |
2077 | scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status); | |
2078 | ||
2079 | if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || | |
2080 | scsi_status & SS_CHECK_CONDITION) { | |
2081 | ||
2082 | /* Device underrun, treat as OK. */ | |
2083 | if (rval == QLA_SUCCESS && | |
2084 | comp_status == CS_DATA_UNDERRUN && | |
2085 | scsi_status & SS_RESIDUAL_UNDER) { | |
2086 | ||
2087 | rval = QLA_SUCCESS; | |
2088 | break; | |
2089 | } | |
2090 | ||
2091 | DEBUG(printk("scsi(%ld): RLC failed to issue iocb! " | |
2092 | "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", | |
2093 | ha->host_no, fcport->loop_id, fcport, rval, | |
2094 | comp_status, scsi_status)); | |
2095 | ||
2096 | rval = QLA_FUNCTION_FAILED; | |
2097 | if (scsi_status & SS_CHECK_CONDITION) { | |
2098 | DEBUG2(printk("scsi(%ld): RLC " | |
2099 | "SS_CHECK_CONDITION Sense Data " | |
2100 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
2101 | ha->host_no, | |
2102 | rlc->p.rsp.req_sense_data[0], | |
2103 | rlc->p.rsp.req_sense_data[1], | |
2104 | rlc->p.rsp.req_sense_data[2], | |
2105 | rlc->p.rsp.req_sense_data[3], | |
2106 | rlc->p.rsp.req_sense_data[4], | |
2107 | rlc->p.rsp.req_sense_data[5], | |
2108 | rlc->p.rsp.req_sense_data[6], | |
2109 | rlc->p.rsp.req_sense_data[7])); | |
2110 | if (rlc->p.rsp.req_sense_data[2] == | |
2111 | ILLEGAL_REQUEST) { | |
2112 | fcport->flags &= ~(FCF_RLC_SUPPORT); | |
2113 | break; | |
2114 | } | |
2115 | } | |
2116 | } else { | |
2117 | break; | |
2118 | } | |
2119 | } | |
2120 | ||
2121 | return (rval); | |
2122 | } | |
2123 | ||
2124 | /* | |
2125 | * qla2x00_cfg_lun | |
2126 | * Configures LUN into fcport LUN list. | |
2127 | * | |
2128 | * Input: | |
2129 | * fcport: FC port structure pointer. | |
2130 | * lun: LUN number. | |
2131 | * | |
2132 | * Context: | |
2133 | * Kernel context. | |
2134 | */ | |
2135 | static fc_lun_t * | |
2136 | qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun, | |
2137 | inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
2138 | { | |
2139 | fc_lun_t *fclun; | |
2140 | uint8_t device_type; | |
2141 | ||
2142 | /* Bypass LUNs that failed. */ | |
2143 | if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) { | |
2144 | DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x " | |
2145 | "lun=%d\n", ha->host_no, fcport->loop_id, lun)); | |
2146 | ||
2147 | return (NULL); | |
2148 | } | |
2149 | device_type = (inq->inq[0] & 0x1f); | |
2150 | switch (device_type) { | |
2151 | case TYPE_DISK: | |
2152 | case TYPE_PROCESSOR: | |
2153 | case TYPE_WORM: | |
2154 | case TYPE_ROM: | |
2155 | case TYPE_SCANNER: | |
2156 | case TYPE_MOD: | |
2157 | case TYPE_MEDIUM_CHANGER: | |
2158 | case TYPE_ENCLOSURE: | |
2159 | case 0x20: | |
2160 | case 0x0C: | |
2161 | break; | |
2162 | case TYPE_TAPE: | |
2163 | fcport->flags |= FCF_TAPE_PRESENT; | |
2164 | break; | |
2165 | default: | |
2166 | DEBUG2(printk("scsi(%ld): Unsupported lun type -- " | |
2167 | "loop id=0x%04x lun=%d type=%x\n", | |
2168 | ha->host_no, fcport->loop_id, lun, device_type)); | |
2169 | return (NULL); | |
2170 | } | |
2171 | ||
2172 | fcport->device_type = device_type; | |
2173 | fclun = qla2x00_add_lun(fcport, lun); | |
2174 | ||
2175 | if (fclun != NULL) { | |
2176 | atomic_set(&fcport->state, FCS_ONLINE); | |
2177 | } | |
2178 | ||
2179 | return (fclun); | |
2180 | } | |
2181 | ||
2182 | /* | |
2183 | * qla2x00_add_lun | |
2184 | * Adds LUN to database | |
2185 | * | |
2186 | * Input: | |
2187 | * fcport: FC port structure pointer. | |
2188 | * lun: LUN number. | |
2189 | * | |
2190 | * Context: | |
2191 | * Kernel context. | |
2192 | */ | |
2193 | static fc_lun_t * | |
2194 | qla2x00_add_lun(fc_port_t *fcport, uint16_t lun) | |
2195 | { | |
2196 | int found; | |
2197 | fc_lun_t *fclun; | |
2198 | ||
2199 | if (fcport == NULL) { | |
2200 | DEBUG(printk("scsi: Unable to add lun to NULL port\n")); | |
2201 | return (NULL); | |
2202 | } | |
2203 | ||
2204 | /* Allocate LUN if not already allocated. */ | |
2205 | found = 0; | |
2206 | list_for_each_entry(fclun, &fcport->fcluns, list) { | |
2207 | if (fclun->lun == lun) { | |
2208 | found++; | |
2209 | break; | |
2210 | } | |
2211 | } | |
2212 | if (found) | |
2213 | return (NULL); | |
2214 | ||
2215 | fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC); | |
2216 | if (fclun == NULL) { | |
2217 | printk(KERN_WARNING | |
2218 | "%s(): Memory Allocation failed - FCLUN\n", | |
2219 | __func__); | |
2220 | return (NULL); | |
2221 | } | |
2222 | ||
2223 | /* Setup LUN structure. */ | |
2224 | memset(fclun, 0, sizeof(fc_lun_t)); | |
2225 | fclun->lun = lun; | |
2226 | fclun->fcport = fcport; | |
2227 | fclun->o_fcport = fcport; | |
2228 | fclun->device_type = fcport->device_type; | |
2229 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
2230 | ||
2231 | list_add_tail(&fclun->list, &fcport->fcluns); | |
2232 | ||
2233 | return (fclun); | |
2234 | } | |
2235 | ||
2236 | /* | |
2237 | * qla2x00_inquiry | |
2238 | * Issue SCSI inquiry command. | |
2239 | * | |
2240 | * Input: | |
2241 | * ha = adapter block pointer. | |
2242 | * fcport = FC port structure pointer. | |
2243 | * | |
2244 | * Return: | |
2245 | * 0 - Success | |
2246 | * BIT_0 - error | |
2247 | * | |
2248 | * Context: | |
2249 | * Kernel context. | |
2250 | */ | |
2251 | static int | |
2252 | qla2x00_inquiry(scsi_qla_host_t *ha, | |
2253 | fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
2254 | { | |
2255 | int rval; | |
2256 | uint16_t retries; | |
2257 | uint16_t comp_status; | |
2258 | uint16_t scsi_status; | |
2259 | ||
2260 | rval = QLA_FUNCTION_FAILED; | |
2261 | ||
2262 | for (retries = 3; retries; retries--) { | |
2263 | memset(inq, 0, sizeof(inq_cmd_rsp_t)); | |
2264 | inq->p.cmd.entry_type = COMMAND_A64_TYPE; | |
2265 | inq->p.cmd.entry_count = 1; | |
2266 | inq->p.cmd.lun = cpu_to_le16(lun); | |
2267 | SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id); | |
2268 | inq->p.cmd.control_flags = | |
2269 | __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); | |
2270 | inq->p.cmd.scsi_cdb[0] = INQUIRY; | |
2271 | inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE; | |
2272 | inq->p.cmd.dseg_count = __constant_cpu_to_le16(1); | |
2273 | inq->p.cmd.timeout = __constant_cpu_to_le16(10); | |
2274 | inq->p.cmd.byte_count = | |
2275 | __constant_cpu_to_le32(INQ_DATA_SIZE); | |
2276 | inq->p.cmd.dseg_0_address[0] = cpu_to_le32( | |
2277 | LSD(inq_dma + sizeof(sts_entry_t))); | |
2278 | inq->p.cmd.dseg_0_address[1] = cpu_to_le32( | |
2279 | MSD(inq_dma + sizeof(sts_entry_t))); | |
2280 | inq->p.cmd.dseg_0_length = | |
2281 | __constant_cpu_to_le32(INQ_DATA_SIZE); | |
2282 | ||
2283 | DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p]," | |
2284 | " lun (%d)\n", | |
2285 | ha->host_no, fcport->loop_id, fcport, lun)); | |
2286 | ||
2287 | rval = qla2x00_issue_iocb(ha, inq, inq_dma, | |
2288 | sizeof(inq_cmd_rsp_t)); | |
2289 | ||
2290 | comp_status = le16_to_cpu(inq->p.rsp.comp_status); | |
2291 | scsi_status = le16_to_cpu(inq->p.rsp.scsi_status); | |
2292 | ||
2293 | DEBUG5(printk("scsi(%ld): lun (%d) inquiry - " | |
2294 | "inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, " | |
2295 | "rval=%d\n", | |
2296 | ha->host_no, lun, inq->inq[0], comp_status, scsi_status, | |
2297 | rval)); | |
2298 | ||
2299 | if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || | |
2300 | scsi_status & SS_CHECK_CONDITION) { | |
2301 | ||
2302 | DEBUG(printk("scsi(%ld): INQ failed to issue iocb! " | |
2303 | "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", | |
2304 | ha->host_no, fcport->loop_id, fcport, rval, | |
2305 | comp_status, scsi_status)); | |
2306 | ||
2307 | if (rval == QLA_SUCCESS) | |
2308 | rval = QLA_FUNCTION_FAILED; | |
2309 | ||
2310 | if (scsi_status & SS_CHECK_CONDITION) { | |
2311 | DEBUG2(printk("scsi(%ld): INQ " | |
2312 | "SS_CHECK_CONDITION Sense Data " | |
2313 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
2314 | ha->host_no, | |
2315 | inq->p.rsp.req_sense_data[0], | |
2316 | inq->p.rsp.req_sense_data[1], | |
2317 | inq->p.rsp.req_sense_data[2], | |
2318 | inq->p.rsp.req_sense_data[3], | |
2319 | inq->p.rsp.req_sense_data[4], | |
2320 | inq->p.rsp.req_sense_data[5], | |
2321 | inq->p.rsp.req_sense_data[6], | |
2322 | inq->p.rsp.req_sense_data[7])); | |
2323 | } | |
2324 | ||
2325 | /* Device underrun drop LUN. */ | |
2326 | if (comp_status == CS_DATA_UNDERRUN && | |
2327 | scsi_status & SS_RESIDUAL_UNDER) { | |
2328 | break; | |
2329 | } | |
2330 | } else { | |
2331 | break; | |
2332 | } | |
2333 | } | |
2334 | ||
2335 | return (rval); | |
2336 | } | |
2337 | ||
2338 | ||
2339 | /* | |
2340 | * qla2x00_configure_fabric | |
2341 | * Setup SNS devices with loop ID's. | |
2342 | * | |
2343 | * Input: | |
2344 | * ha = adapter block pointer. | |
2345 | * | |
2346 | * Returns: | |
2347 | * 0 = success. | |
2348 | * BIT_0 = error | |
2349 | */ | |
2350 | static int | |
2351 | qla2x00_configure_fabric(scsi_qla_host_t *ha) | |
2352 | { | |
2353 | int rval, rval2; | |
2354 | fc_port_t *fcport, *fcptemp; | |
2355 | uint16_t next_loopid; | |
2356 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2357 | LIST_HEAD(new_fcports); | |
2358 | ||
2359 | /* If FL port exists, then SNS is present */ | |
2360 | rval = qla2x00_get_port_name(ha, SNS_FL_PORT, NULL, 0); | |
2361 | if (rval != QLA_SUCCESS) { | |
2362 | DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " | |
2363 | "Port\n", ha->host_no)); | |
2364 | ||
2365 | ha->device_flags &= ~SWITCH_FOUND; | |
2366 | return (QLA_SUCCESS); | |
2367 | } | |
2368 | ||
2369 | /* Mark devices that need re-synchronization. */ | |
2370 | rval2 = qla2x00_device_resync(ha); | |
2371 | if (rval2 == QLA_RSCNS_HANDLED) { | |
2372 | /* No point doing the scan, just continue. */ | |
2373 | return (QLA_SUCCESS); | |
2374 | } | |
2375 | do { | |
2376 | /* Ensure we are logged into the SNS. */ | |
2377 | qla2x00_login_fabric(ha, SIMPLE_NAME_SERVER, 0xff, 0xff, 0xfc, | |
2378 | mb, BIT_1 | BIT_0); | |
2379 | if (mb[0] != MBS_COMMAND_COMPLETE) { | |
2380 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2381 | "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " | |
2382 | "mb[2]=%x mb[6]=%x mb[7]=%x\n", SIMPLE_NAME_SERVER, | |
2383 | mb[0], mb[1], mb[2], mb[6], mb[7])); | |
2384 | return (QLA_SUCCESS); | |
2385 | } | |
2386 | ||
2387 | if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { | |
2388 | if (qla2x00_rft_id(ha)) { | |
2389 | /* EMPTY */ | |
2390 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
2391 | "TYPE failed.\n", ha->host_no)); | |
2392 | } | |
2393 | if (qla2x00_rff_id(ha)) { | |
2394 | /* EMPTY */ | |
2395 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
2396 | "Features failed.\n", ha->host_no)); | |
2397 | } | |
2398 | if (qla2x00_rnn_id(ha)) { | |
2399 | /* EMPTY */ | |
2400 | DEBUG2(printk("scsi(%ld): Register Node Name " | |
2401 | "failed.\n", ha->host_no)); | |
2402 | } else if (qla2x00_rsnn_nn(ha)) { | |
2403 | /* EMPTY */ | |
2404 | DEBUG2(printk("scsi(%ld): Register Symbolic " | |
2405 | "Node Name failed.\n", ha->host_no)); | |
2406 | } | |
2407 | } | |
2408 | ||
2409 | rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); | |
2410 | if (rval != QLA_SUCCESS) | |
2411 | break; | |
2412 | ||
2413 | /* | |
2414 | * Logout all previous fabric devices marked lost, except | |
2415 | * tape devices. | |
2416 | */ | |
2417 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2418 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2419 | break; | |
2420 | ||
2421 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) | |
2422 | continue; | |
2423 | ||
2424 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2425 | qla2x00_mark_device_lost(ha, fcport, | |
2426 | ql2xplogiabsentdevice); | |
2427 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2428 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2429 | fcport->port_type != FCT_INITIATOR && | |
2430 | fcport->port_type != FCT_BROADCAST) { | |
2431 | ||
2432 | qla2x00_fabric_logout(ha, | |
2433 | fcport->loop_id); | |
2434 | fcport->loop_id = FC_NO_LOOP_ID; | |
2435 | } | |
2436 | } | |
2437 | } | |
2438 | ||
2439 | /* Starting free loop ID. */ | |
2440 | next_loopid = ha->min_external_loopid; | |
2441 | ||
2442 | /* | |
2443 | * Scan through our port list and login entries that need to be | |
2444 | * logged in. | |
2445 | */ | |
2446 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2447 | if (atomic_read(&ha->loop_down_timer) || | |
2448 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2449 | break; | |
2450 | ||
2451 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2452 | (fcport->flags & FCF_LOGIN_NEEDED) == 0) | |
2453 | continue; | |
2454 | ||
2455 | if (fcport->loop_id == FC_NO_LOOP_ID) { | |
2456 | fcport->loop_id = next_loopid; | |
2457 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2458 | if (rval != QLA_SUCCESS) { | |
2459 | /* Ran out of IDs to use */ | |
2460 | break; | |
2461 | } | |
2462 | } | |
2463 | ||
2464 | /* Login and update database */ | |
2465 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2466 | } | |
2467 | ||
2468 | /* Exit if out of loop IDs. */ | |
2469 | if (rval != QLA_SUCCESS) { | |
2470 | break; | |
2471 | } | |
2472 | ||
2473 | /* | |
2474 | * Login and add the new devices to our port list. | |
2475 | */ | |
2476 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2477 | if (atomic_read(&ha->loop_down_timer) || | |
2478 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2479 | break; | |
2480 | ||
2481 | /* Find a new loop ID to use. */ | |
2482 | fcport->loop_id = next_loopid; | |
2483 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2484 | if (rval != QLA_SUCCESS) { | |
2485 | /* Ran out of IDs to use */ | |
2486 | break; | |
2487 | } | |
2488 | ||
2489 | /* Login and update database */ | |
2490 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2491 | ||
2492 | /* Remove device from the new list and add it to DB */ | |
2493 | list_del(&fcport->list); | |
2494 | list_add_tail(&fcport->list, &ha->fcports); | |
2495 | } | |
2496 | } while (0); | |
2497 | ||
2498 | /* Free all new device structures not processed. */ | |
2499 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2500 | list_del(&fcport->list); | |
2501 | kfree(fcport); | |
2502 | } | |
2503 | ||
2504 | if (rval) { | |
2505 | DEBUG2(printk("scsi(%ld): Configure fabric error exit: " | |
2506 | "rval=%d\n", ha->host_no, rval)); | |
2507 | } | |
2508 | ||
2509 | return (rval); | |
2510 | } | |
2511 | ||
2512 | ||
2513 | /* | |
2514 | * qla2x00_find_all_fabric_devs | |
2515 | * | |
2516 | * Input: | |
2517 | * ha = adapter block pointer. | |
2518 | * dev = database device entry pointer. | |
2519 | * | |
2520 | * Returns: | |
2521 | * 0 = success. | |
2522 | * | |
2523 | * Context: | |
2524 | * Kernel context. | |
2525 | */ | |
2526 | static int | |
2527 | qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) | |
2528 | { | |
2529 | int rval; | |
2530 | uint16_t loop_id; | |
2531 | fc_port_t *fcport, *new_fcport, *fcptemp; | |
2532 | int found; | |
2533 | ||
2534 | sw_info_t *swl; | |
2535 | int swl_idx; | |
2536 | int first_dev, last_dev; | |
2537 | port_id_t wrap, nxt_d_id; | |
2538 | ||
2539 | rval = QLA_SUCCESS; | |
2540 | ||
2541 | /* Try GID_PT to get device list, else GAN. */ | |
2542 | swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); | |
2543 | if (swl == NULL) { | |
2544 | /*EMPTY*/ | |
2545 | DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " | |
2546 | "on GA_NXT\n", ha->host_no)); | |
2547 | } else { | |
2548 | memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); | |
2549 | if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { | |
2550 | kfree(swl); | |
2551 | swl = NULL; | |
2552 | } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { | |
2553 | kfree(swl); | |
2554 | swl = NULL; | |
2555 | } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { | |
2556 | kfree(swl); | |
2557 | swl = NULL; | |
2558 | } | |
2559 | } | |
2560 | swl_idx = 0; | |
2561 | ||
2562 | /* Allocate temporary fcport for any new fcports discovered. */ | |
2563 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2564 | if (new_fcport == NULL) { | |
2565 | if (swl) | |
2566 | kfree(swl); | |
2567 | return (QLA_MEMORY_ALLOC_FAILED); | |
2568 | } | |
2569 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2570 | ||
2571 | /* Set start port ID scan at adapter ID. */ | |
2572 | first_dev = 1; | |
2573 | last_dev = 0; | |
2574 | ||
2575 | /* Starting free loop ID. */ | |
2576 | loop_id = ha->min_external_loopid; | |
2577 | ||
2578 | for (; loop_id <= ha->last_loop_id; loop_id++) { | |
2579 | if (RESERVED_LOOP_ID(loop_id)) | |
2580 | continue; | |
2581 | ||
2582 | if (atomic_read(&ha->loop_down_timer) || | |
2583 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2584 | break; | |
2585 | ||
2586 | if (swl != NULL) { | |
2587 | if (last_dev) { | |
2588 | wrap.b24 = new_fcport->d_id.b24; | |
2589 | } else { | |
2590 | new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; | |
2591 | memcpy(new_fcport->node_name, | |
2592 | swl[swl_idx].node_name, WWN_SIZE); | |
2593 | memcpy(new_fcport->port_name, | |
2594 | swl[swl_idx].port_name, WWN_SIZE); | |
2595 | ||
2596 | if (swl[swl_idx].d_id.b.rsvd_1 != 0) { | |
2597 | last_dev = 1; | |
2598 | } | |
2599 | swl_idx++; | |
2600 | } | |
2601 | } else { | |
2602 | /* Send GA_NXT to the switch */ | |
2603 | rval = qla2x00_ga_nxt(ha, new_fcport); | |
2604 | if (rval != QLA_SUCCESS) { | |
2605 | qla_printk(KERN_WARNING, ha, | |
2606 | "SNS scan failed -- assuming zero-entry " | |
2607 | "result...\n"); | |
2608 | list_for_each_entry_safe(fcport, fcptemp, | |
2609 | new_fcports, list) { | |
2610 | list_del(&fcport->list); | |
2611 | kfree(fcport); | |
2612 | } | |
2613 | rval = QLA_SUCCESS; | |
2614 | break; | |
2615 | } | |
2616 | } | |
2617 | ||
2618 | /* If wrap on switch device list, exit. */ | |
2619 | if (first_dev) { | |
2620 | wrap.b24 = new_fcport->d_id.b24; | |
2621 | first_dev = 0; | |
2622 | } else if (new_fcport->d_id.b24 == wrap.b24) { | |
2623 | DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", | |
2624 | ha->host_no, new_fcport->d_id.b.domain, | |
2625 | new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); | |
2626 | break; | |
2627 | } | |
2628 | ||
2629 | /* Bypass if host adapter. */ | |
2630 | if (new_fcport->d_id.b24 == ha->d_id.b24) | |
2631 | continue; | |
2632 | ||
2633 | /* Bypass reserved domain fields. */ | |
2634 | if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) | |
2635 | continue; | |
2636 | ||
2637 | /* Locate matching device in database. */ | |
2638 | found = 0; | |
2639 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2640 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
2641 | WWN_SIZE)) | |
2642 | continue; | |
2643 | ||
2644 | found++; | |
2645 | ||
2646 | /* | |
2647 | * If address the same and state FCS_ONLINE, nothing | |
2648 | * changed. | |
2649 | */ | |
2650 | if (fcport->d_id.b24 == new_fcport->d_id.b24 && | |
2651 | atomic_read(&fcport->state) == FCS_ONLINE) { | |
2652 | break; | |
2653 | } | |
2654 | ||
2655 | /* | |
2656 | * If device was not a fabric device before. | |
2657 | */ | |
2658 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
2659 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2660 | fcport->loop_id = FC_NO_LOOP_ID; | |
2661 | fcport->flags |= (FCF_FABRIC_DEVICE | | |
2662 | FCF_LOGIN_NEEDED); | |
2663 | fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
2664 | break; | |
2665 | } | |
2666 | ||
2667 | /* | |
2668 | * Port ID changed or device was marked to be updated; | |
2669 | * Log it out if still logged in and mark it for | |
2670 | * relogin later. | |
2671 | */ | |
2672 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2673 | fcport->flags |= FCF_LOGIN_NEEDED; | |
2674 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2675 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2676 | fcport->port_type != FCT_INITIATOR && | |
2677 | fcport->port_type != FCT_BROADCAST) { | |
2678 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2679 | fcport->loop_id = FC_NO_LOOP_ID; | |
2680 | } | |
2681 | ||
2682 | break; | |
2683 | } | |
2684 | ||
2685 | if (found) | |
2686 | continue; | |
2687 | ||
2688 | /* If device was not in our fcports list, then add it. */ | |
2689 | list_add_tail(&new_fcport->list, new_fcports); | |
2690 | ||
2691 | /* Allocate a new replacement fcport. */ | |
2692 | nxt_d_id.b24 = new_fcport->d_id.b24; | |
2693 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2694 | if (new_fcport == NULL) { | |
2695 | if (swl) | |
2696 | kfree(swl); | |
2697 | return (QLA_MEMORY_ALLOC_FAILED); | |
2698 | } | |
2699 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2700 | new_fcport->d_id.b24 = nxt_d_id.b24; | |
2701 | } | |
2702 | ||
2703 | if (swl) | |
2704 | kfree(swl); | |
2705 | ||
2706 | if (new_fcport) | |
2707 | kfree(new_fcport); | |
2708 | ||
2709 | if (!list_empty(new_fcports)) | |
2710 | ha->device_flags |= DFLG_FABRIC_DEVICES; | |
2711 | ||
2712 | return (rval); | |
2713 | } | |
2714 | ||
2715 | /* | |
2716 | * qla2x00_find_new_loop_id | |
2717 | * Scan through our port list and find a new usable loop ID. | |
2718 | * | |
2719 | * Input: | |
2720 | * ha: adapter state pointer. | |
2721 | * dev: port structure pointer. | |
2722 | * | |
2723 | * Returns: | |
2724 | * qla2x00 local function return status code. | |
2725 | * | |
2726 | * Context: | |
2727 | * Kernel context. | |
2728 | */ | |
2729 | int | |
2730 | qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) | |
2731 | { | |
2732 | int rval; | |
2733 | int found; | |
2734 | fc_port_t *fcport; | |
2735 | uint16_t first_loop_id; | |
2736 | ||
2737 | rval = QLA_SUCCESS; | |
2738 | ||
2739 | /* Save starting loop ID. */ | |
2740 | first_loop_id = dev->loop_id; | |
2741 | ||
2742 | for (;;) { | |
2743 | /* Skip loop ID if already used by adapter. */ | |
2744 | if (dev->loop_id == ha->loop_id) { | |
2745 | dev->loop_id++; | |
2746 | } | |
2747 | ||
2748 | /* Skip reserved loop IDs. */ | |
2749 | while (RESERVED_LOOP_ID(dev->loop_id)) { | |
2750 | dev->loop_id++; | |
2751 | } | |
2752 | ||
2753 | /* Reset loop ID if passed the end. */ | |
2754 | if (dev->loop_id > ha->last_loop_id) { | |
2755 | /* first loop ID. */ | |
2756 | dev->loop_id = ha->min_external_loopid; | |
2757 | } | |
2758 | ||
2759 | /* Check for loop ID being already in use. */ | |
2760 | found = 0; | |
2761 | fcport = NULL; | |
2762 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2763 | if (fcport->loop_id == dev->loop_id && fcport != dev) { | |
2764 | /* ID possibly in use */ | |
2765 | found++; | |
2766 | break; | |
2767 | } | |
2768 | } | |
2769 | ||
2770 | /* If not in use then it is free to use. */ | |
2771 | if (!found) { | |
2772 | break; | |
2773 | } | |
2774 | ||
2775 | /* ID in use. Try next value. */ | |
2776 | dev->loop_id++; | |
2777 | ||
2778 | /* If wrap around. No free ID to use. */ | |
2779 | if (dev->loop_id == first_loop_id) { | |
2780 | dev->loop_id = FC_NO_LOOP_ID; | |
2781 | rval = QLA_FUNCTION_FAILED; | |
2782 | break; | |
2783 | } | |
2784 | } | |
2785 | ||
2786 | return (rval); | |
2787 | } | |
2788 | ||
2789 | /* | |
2790 | * qla2x00_device_resync | |
2791 | * Marks devices in the database that needs resynchronization. | |
2792 | * | |
2793 | * Input: | |
2794 | * ha = adapter block pointer. | |
2795 | * | |
2796 | * Context: | |
2797 | * Kernel context. | |
2798 | */ | |
2799 | static int | |
2800 | qla2x00_device_resync(scsi_qla_host_t *ha) | |
2801 | { | |
2802 | int rval; | |
2803 | int rval2; | |
2804 | uint32_t mask; | |
2805 | fc_port_t *fcport; | |
2806 | uint32_t rscn_entry; | |
2807 | uint8_t rscn_out_iter; | |
2808 | uint8_t format; | |
2809 | port_id_t d_id; | |
2810 | ||
2811 | rval = QLA_RSCNS_HANDLED; | |
2812 | ||
2813 | while (ha->rscn_out_ptr != ha->rscn_in_ptr || | |
2814 | ha->flags.rscn_queue_overflow) { | |
2815 | ||
2816 | rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; | |
2817 | format = MSB(MSW(rscn_entry)); | |
2818 | d_id.b.domain = LSB(MSW(rscn_entry)); | |
2819 | d_id.b.area = MSB(LSW(rscn_entry)); | |
2820 | d_id.b.al_pa = LSB(LSW(rscn_entry)); | |
2821 | ||
2822 | DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " | |
2823 | "[%02x/%02x%02x%02x].\n", | |
2824 | ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, | |
2825 | d_id.b.area, d_id.b.al_pa)); | |
2826 | ||
2827 | ha->rscn_out_ptr++; | |
2828 | if (ha->rscn_out_ptr == MAX_RSCN_COUNT) | |
2829 | ha->rscn_out_ptr = 0; | |
2830 | ||
2831 | /* Skip duplicate entries. */ | |
2832 | for (rscn_out_iter = ha->rscn_out_ptr; | |
2833 | !ha->flags.rscn_queue_overflow && | |
2834 | rscn_out_iter != ha->rscn_in_ptr; | |
2835 | rscn_out_iter = (rscn_out_iter == | |
2836 | (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { | |
2837 | ||
2838 | if (rscn_entry != ha->rscn_queue[rscn_out_iter]) | |
2839 | break; | |
2840 | ||
2841 | DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " | |
2842 | "entry found at [%d].\n", ha->host_no, | |
2843 | rscn_out_iter)); | |
2844 | ||
2845 | ha->rscn_out_ptr = rscn_out_iter; | |
2846 | } | |
2847 | ||
2848 | /* Queue overflow, set switch default case. */ | |
2849 | if (ha->flags.rscn_queue_overflow) { | |
2850 | DEBUG(printk("scsi(%ld): device_resync: rscn " | |
2851 | "overflow.\n", ha->host_no)); | |
2852 | ||
2853 | format = 3; | |
2854 | ha->flags.rscn_queue_overflow = 0; | |
2855 | } | |
2856 | ||
2857 | switch (format) { | |
2858 | case 0: | |
2859 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && | |
2860 | !IS_QLA6312(ha) && !IS_QLA6322(ha) && | |
2861 | ha->flags.init_done) { | |
2862 | /* Handle port RSCN via asyncronous IOCBs */ | |
2863 | rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, | |
2864 | NULL, 0); | |
2865 | if (rval2 == QLA_SUCCESS) | |
2866 | continue; | |
2867 | } | |
2868 | mask = 0xffffff; | |
2869 | break; | |
2870 | case 1: | |
2871 | mask = 0xffff00; | |
2872 | break; | |
2873 | case 2: | |
2874 | mask = 0xff0000; | |
2875 | break; | |
2876 | default: | |
2877 | mask = 0x0; | |
2878 | d_id.b24 = 0; | |
2879 | ha->rscn_out_ptr = ha->rscn_in_ptr; | |
2880 | break; | |
2881 | } | |
2882 | ||
2883 | rval = QLA_SUCCESS; | |
2884 | ||
2885 | /* Abort any outstanding IO descriptors. */ | |
2886 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
2887 | qla2x00_cancel_io_descriptors(ha); | |
2888 | ||
2889 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2890 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2891 | (fcport->d_id.b24 & mask) != d_id.b24 || | |
2892 | fcport->port_type == FCT_BROADCAST) | |
2893 | continue; | |
2894 | ||
2895 | if (atomic_read(&fcport->state) == FCS_ONLINE) { | |
2896 | if (format != 3 || | |
2897 | fcport->port_type != FCT_INITIATOR) { | |
2898 | atomic_set(&fcport->state, | |
2899 | FCS_DEVICE_LOST); | |
2900 | } | |
2901 | } | |
2902 | fcport->flags &= ~FCF_FARP_DONE; | |
2903 | } | |
2904 | } | |
2905 | return (rval); | |
2906 | } | |
2907 | ||
2908 | /* | |
2909 | * qla2x00_fabric_dev_login | |
2910 | * Login fabric target device and update FC port database. | |
2911 | * | |
2912 | * Input: | |
2913 | * ha: adapter state pointer. | |
2914 | * fcport: port structure list pointer. | |
2915 | * next_loopid: contains value of a new loop ID that can be used | |
2916 | * by the next login attempt. | |
2917 | * | |
2918 | * Returns: | |
2919 | * qla2x00 local function return status code. | |
2920 | * | |
2921 | * Context: | |
2922 | * Kernel context. | |
2923 | */ | |
2924 | static int | |
2925 | qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2926 | uint16_t *next_loopid) | |
2927 | { | |
2928 | int rval; | |
2929 | int retry; | |
2930 | ||
2931 | rval = QLA_SUCCESS; | |
2932 | retry = 0; | |
2933 | ||
2934 | rval = qla2x00_fabric_login(ha, fcport, next_loopid); | |
2935 | if (rval == QLA_SUCCESS) { | |
2936 | rval = qla2x00_get_port_database(ha, fcport, 0); | |
2937 | if (rval != QLA_SUCCESS) { | |
2938 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2939 | } else { | |
2940 | qla2x00_update_fcport(ha, fcport); | |
2941 | } | |
2942 | } | |
2943 | ||
2944 | return (rval); | |
2945 | } | |
2946 | ||
2947 | /* | |
2948 | * qla2x00_fabric_login | |
2949 | * Issue fabric login command. | |
2950 | * | |
2951 | * Input: | |
2952 | * ha = adapter block pointer. | |
2953 | * device = pointer to FC device type structure. | |
2954 | * | |
2955 | * Returns: | |
2956 | * 0 - Login successfully | |
2957 | * 1 - Login failed | |
2958 | * 2 - Initiator device | |
2959 | * 3 - Fatal error | |
2960 | */ | |
2961 | int | |
2962 | qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2963 | uint16_t *next_loopid) | |
2964 | { | |
2965 | int rval; | |
2966 | int retry; | |
2967 | uint16_t tmp_loopid; | |
2968 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2969 | ||
2970 | retry = 0; | |
2971 | tmp_loopid = 0; | |
2972 | ||
2973 | for (;;) { | |
2974 | DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " | |
2975 | "for port %02x%02x%02x.\n", | |
2976 | ha->host_no, fcport->loop_id, fcport->d_id.b.domain, | |
2977 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2978 | ||
2979 | /* Login fcport on switch. */ | |
2980 | qla2x00_login_fabric(ha, fcport->loop_id, | |
2981 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
2982 | fcport->d_id.b.al_pa, mb, BIT_0); | |
2983 | if (mb[0] == MBS_PORT_ID_USED) { | |
2984 | /* | |
2985 | * Device has another loop ID. The firmware team | |
2986 | * recommends us to perform an implicit login with the | |
2987 | * specified ID again. The ID we just used is save here | |
2988 | * so we return with an ID that can be tried by the | |
2989 | * next login. | |
2990 | */ | |
2991 | retry++; | |
2992 | tmp_loopid = fcport->loop_id; | |
2993 | fcport->loop_id = mb[1]; | |
2994 | ||
2995 | DEBUG(printk("Fabric Login: port in use - next " | |
2996 | "loop id=0x%04x, port Id=%02x%02x%02x.\n", | |
2997 | fcport->loop_id, fcport->d_id.b.domain, | |
2998 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2999 | ||
3000 | } else if (mb[0] == MBS_COMMAND_COMPLETE) { | |
3001 | /* | |
3002 | * Login succeeded. | |
3003 | */ | |
3004 | if (retry) { | |
3005 | /* A retry occurred before. */ | |
3006 | *next_loopid = tmp_loopid; | |
3007 | } else { | |
3008 | /* | |
3009 | * No retry occurred before. Just increment the | |
3010 | * ID value for next login. | |
3011 | */ | |
3012 | *next_loopid = (fcport->loop_id + 1); | |
3013 | } | |
3014 | ||
3015 | if (mb[1] & BIT_0) { | |
3016 | fcport->port_type = FCT_INITIATOR; | |
3017 | } else { | |
3018 | fcport->port_type = FCT_TARGET; | |
3019 | if (mb[1] & BIT_1) { | |
3020 | fcport->flags |= FCF_TAPE_PRESENT; | |
3021 | } | |
3022 | } | |
3023 | ||
3024 | rval = QLA_SUCCESS; | |
3025 | break; | |
3026 | } else if (mb[0] == MBS_LOOP_ID_USED) { | |
3027 | /* | |
3028 | * Loop ID already used, try next loop ID. | |
3029 | */ | |
3030 | fcport->loop_id++; | |
3031 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
3032 | if (rval != QLA_SUCCESS) { | |
3033 | /* Ran out of loop IDs to use */ | |
3034 | break; | |
3035 | } | |
3036 | } else if (mb[0] == MBS_COMMAND_ERROR) { | |
3037 | /* | |
3038 | * Firmware possibly timed out during login. If NO | |
3039 | * retries are left to do then the device is declared | |
3040 | * dead. | |
3041 | */ | |
3042 | *next_loopid = fcport->loop_id; | |
3043 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
3044 | qla2x00_mark_device_lost(ha, fcport, 1); | |
3045 | ||
3046 | rval = 1; | |
3047 | break; | |
3048 | } else { | |
3049 | /* | |
3050 | * unrecoverable / not handled error | |
3051 | */ | |
3052 | DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " | |
3053 | "loop_id=%x jiffies=%lx.\n", | |
3054 | __func__, ha->host_no, mb[0], | |
3055 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
3056 | fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); | |
3057 | ||
3058 | *next_loopid = fcport->loop_id; | |
3059 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
3060 | fcport->loop_id = FC_NO_LOOP_ID; | |
3061 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); | |
3062 | ||
3063 | rval = 3; | |
3064 | break; | |
3065 | } | |
3066 | } | |
3067 | ||
3068 | return (rval); | |
3069 | } | |
3070 | ||
3071 | /* | |
3072 | * qla2x00_local_device_login | |
3073 | * Issue local device login command. | |
3074 | * | |
3075 | * Input: | |
3076 | * ha = adapter block pointer. | |
3077 | * loop_id = loop id of device to login to. | |
3078 | * | |
3079 | * Returns (Where's the #define!!!!): | |
3080 | * 0 - Login successfully | |
3081 | * 1 - Login failed | |
3082 | * 3 - Fatal error | |
3083 | */ | |
3084 | int | |
3085 | qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) | |
3086 | { | |
3087 | int rval; | |
3088 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
3089 | ||
3090 | memset(mb, 0, sizeof(mb)); | |
3091 | rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); | |
3092 | if (rval == QLA_SUCCESS) { | |
3093 | /* Interrogate mailbox registers for any errors */ | |
3094 | if (mb[0] == MBS_COMMAND_ERROR) | |
3095 | rval = 1; | |
3096 | else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) | |
3097 | /* device not in PCB table */ | |
3098 | rval = 3; | |
3099 | } | |
3100 | ||
3101 | return (rval); | |
3102 | } | |
3103 | ||
3104 | /* | |
3105 | * qla2x00_loop_resync | |
3106 | * Resync with fibre channel devices. | |
3107 | * | |
3108 | * Input: | |
3109 | * ha = adapter block pointer. | |
3110 | * | |
3111 | * Returns: | |
3112 | * 0 = success | |
3113 | */ | |
3114 | int | |
3115 | qla2x00_loop_resync(scsi_qla_host_t *ha) | |
3116 | { | |
3117 | int rval; | |
3118 | uint32_t wait_time; | |
3119 | ||
3120 | rval = QLA_SUCCESS; | |
3121 | ||
3122 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
3123 | qla2x00_stats.loop_resync++; | |
3124 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3125 | if (ha->flags.online) { | |
3126 | if (!(rval = qla2x00_fw_ready(ha))) { | |
3127 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
3128 | wait_time = 256; | |
3129 | do { | |
3130 | /* v2.19.05b6 */ | |
3131 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
3132 | ||
3133 | /* | |
3134 | * Issue marker command only when we are going | |
3135 | * to start the I/O . | |
3136 | */ | |
3137 | ha->marker_needed = 1; | |
3138 | ||
3139 | /* Remap devices on Loop. */ | |
3140 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
3141 | ||
3142 | qla2x00_configure_loop(ha); | |
3143 | wait_time--; | |
3144 | } while (!atomic_read(&ha->loop_down_timer) && | |
3145 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
3146 | wait_time && | |
3147 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
3148 | } | |
1da177e4 LT |
3149 | } |
3150 | ||
3151 | if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
3152 | return (QLA_FUNCTION_FAILED); | |
3153 | } | |
3154 | ||
3155 | if (rval) { | |
3156 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
3157 | } | |
3158 | ||
3159 | return (rval); | |
3160 | } | |
3161 | ||
1da177e4 LT |
3162 | void |
3163 | qla2x00_rescan_fcports(scsi_qla_host_t *ha) | |
3164 | { | |
3165 | int rescan_done; | |
3166 | fc_port_t *fcport; | |
3167 | ||
3168 | rescan_done = 0; | |
3169 | list_for_each_entry(fcport, &ha->fcports, list) { | |
3170 | if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) | |
3171 | continue; | |
3172 | ||
3173 | qla2x00_update_fcport(ha, fcport); | |
3174 | fcport->flags &= ~FCF_RESCAN_NEEDED; | |
3175 | ||
3176 | rescan_done = 1; | |
3177 | } | |
3178 | qla2x00_probe_for_all_luns(ha); | |
3179 | ||
3180 | /* Update OS target and lun structures if necessary. */ | |
3181 | if (rescan_done) { | |
3182 | qla2x00_config_os(ha); | |
3183 | } | |
3184 | } | |
3185 | ||
3186 | ||
3187 | /* | |
3188 | * qla2x00_config_os | |
3189 | * Setup OS target and LUN structures. | |
3190 | * | |
3191 | * Input: | |
3192 | * ha = adapter state pointer. | |
3193 | * | |
3194 | * Context: | |
3195 | * Kernel context. | |
3196 | */ | |
3197 | static void | |
3198 | qla2x00_config_os(scsi_qla_host_t *ha) | |
3199 | { | |
3200 | fc_port_t *fcport; | |
3201 | fc_lun_t *fclun; | |
3202 | os_tgt_t *tq; | |
3203 | uint16_t tgt; | |
3204 | ||
3205 | ||
3206 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3207 | if ((tq = TGT_Q(ha, tgt)) == NULL) | |
3208 | continue; | |
3209 | ||
3210 | clear_bit(TQF_ONLINE, &tq->flags); | |
3211 | } | |
3212 | ||
3213 | list_for_each_entry(fcport, &ha->fcports, list) { | |
3214 | if (atomic_read(&fcport->state) != FCS_ONLINE || | |
3215 | fcport->port_type == FCT_INITIATOR || | |
3216 | fcport->port_type == FCT_BROADCAST) { | |
3217 | fcport->os_target_id = MAX_TARGETS; | |
3218 | continue; | |
3219 | } | |
3220 | ||
3221 | if (fcport->flags & FCF_FO_MASKED) { | |
3222 | continue; | |
3223 | } | |
3224 | ||
3225 | /* Bind FC port to OS target number. */ | |
3226 | if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) { | |
3227 | continue; | |
3228 | } | |
3229 | ||
3230 | /* Bind FC LUN to OS LUN number. */ | |
3231 | list_for_each_entry(fclun, &fcport->fcluns, list) { | |
3232 | qla2x00_fclun_bind(ha, fcport, fclun); | |
3233 | } | |
3234 | } | |
3235 | } | |
3236 | ||
3237 | /* | |
3238 | * qla2x00_fcport_bind | |
3239 | * Locates a target number for FC port. | |
3240 | * | |
3241 | * Input: | |
3242 | * ha = adapter state pointer. | |
3243 | * fcport = FC port structure pointer. | |
3244 | * | |
3245 | * Returns: | |
3246 | * target number | |
3247 | * | |
3248 | * Context: | |
3249 | * Kernel context. | |
3250 | */ | |
3251 | static uint16_t | |
3252 | qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport) | |
3253 | { | |
3254 | int found; | |
3255 | uint16_t tgt; | |
3256 | os_tgt_t *tq; | |
3257 | ||
3258 | /* Check for persistent binding. */ | |
3259 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3260 | if ((tq = TGT_Q(ha, tgt)) == NULL) | |
3261 | continue; | |
3262 | ||
3263 | found = 0; | |
3264 | switch (ha->binding_type) { | |
3265 | case BIND_BY_PORT_ID: | |
3266 | if (fcport->d_id.b24 == tq->d_id.b24) { | |
3267 | memcpy(tq->node_name, fcport->node_name, | |
3268 | WWN_SIZE); | |
3269 | memcpy(tq->port_name, fcport->port_name, | |
3270 | WWN_SIZE); | |
3271 | found++; | |
3272 | } | |
3273 | break; | |
3274 | case BIND_BY_PORT_NAME: | |
3275 | if (memcmp(fcport->port_name, tq->port_name, | |
3276 | WWN_SIZE) == 0) { | |
3277 | /* | |
3278 | * In case of persistent binding, update the | |
3279 | * WWNN. | |
3280 | */ | |
3281 | memcpy(tq->node_name, fcport->node_name, | |
3282 | WWN_SIZE); | |
3283 | found++; | |
3284 | } | |
3285 | break; | |
3286 | } | |
3287 | if (found) | |
3288 | break; | |
3289 | } | |
3290 | ||
3291 | /* TODO: honor the ConfigRequired flag */ | |
3292 | if (tgt == MAX_TARGETS) { | |
3293 | /* Check if targetID 0 available. */ | |
3294 | tgt = 0; | |
3295 | ||
3296 | if (TGT_Q(ha, tgt) != NULL) { | |
3297 | /* Locate first free target for device. */ | |
3298 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3299 | if (TGT_Q(ha, tgt) == NULL) { | |
3300 | break; | |
3301 | } | |
3302 | } | |
3303 | } | |
3304 | if (tgt != MAX_TARGETS) { | |
3305 | if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) { | |
3306 | memcpy(tq->node_name, fcport->node_name, | |
3307 | WWN_SIZE); | |
3308 | memcpy(tq->port_name, fcport->port_name, | |
3309 | WWN_SIZE); | |
3310 | tq->d_id.b24 = fcport->d_id.b24; | |
3311 | } | |
3312 | } | |
3313 | } | |
3314 | ||
3315 | /* Reset target numbers incase it changed. */ | |
3316 | fcport->os_target_id = tgt; | |
3317 | if (tgt != MAX_TARGETS && tq != NULL) { | |
3318 | DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to " | |
3319 | "loop id=0x%04x, port state=0x%x, port down retry=%d\n", | |
3320 | ha->host_no, tgt, tq, fcport->loop_id, | |
3321 | atomic_read(&fcport->state), | |
3322 | atomic_read(&fcport->port_down_timer))); | |
3323 | ||
3324 | fcport->tgt_queue = tq; | |
3325 | fcport->flags |= FCF_PERSISTENT_BOUND; | |
3326 | tq->fcport = fcport; | |
3327 | set_bit(TQF_ONLINE, &tq->flags); | |
3328 | tq->port_down_retry_count = ha->port_down_retry_count; | |
3329 | } | |
3330 | ||
3331 | if (tgt == MAX_TARGETS) { | |
3332 | qla_printk(KERN_WARNING, ha, | |
3333 | "Unable to bind fcport, loop_id=%x\n", fcport->loop_id); | |
3334 | } | |
3335 | ||
3336 | return (tgt); | |
3337 | } | |
3338 | ||
3339 | /* | |
3340 | * qla2x00_fclun_bind | |
3341 | * Binds all FC device LUNS to OS LUNS. | |
3342 | * | |
3343 | * Input: | |
3344 | * ha: adapter state pointer. | |
3345 | * fcport: FC port structure pointer. | |
3346 | * | |
3347 | * Returns: | |
3348 | * target number | |
3349 | * | |
3350 | * Context: | |
3351 | * Kernel context. | |
3352 | */ | |
3353 | static os_lun_t * | |
3354 | qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun) | |
3355 | { | |
3356 | os_lun_t *lq; | |
3357 | uint16_t tgt; | |
3358 | uint16_t lun; | |
3359 | ||
3360 | tgt = fcport->os_target_id; | |
3361 | lun = fclun->lun; | |
3362 | ||
3363 | /* Allocate LUNs */ | |
3364 | if (lun >= MAX_LUNS) { | |
3365 | DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid " | |
3366 | "lun=(%x).\n", ha->host_no, lun)); | |
3367 | return (NULL); | |
3368 | } | |
3369 | ||
3370 | /* Always alloc LUN 0 so kernel will scan past LUN 0. */ | |
3371 | if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) { | |
3372 | return (NULL); | |
3373 | } | |
3374 | ||
3375 | if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) { | |
3376 | qla_printk(KERN_WARNING, ha, | |
3377 | "Unable to bind fclun, loop_id=%x lun=%x\n", | |
3378 | fcport->loop_id, lun); | |
3379 | return (NULL); | |
3380 | } | |
3381 | ||
3382 | lq->fclun = fclun; | |
3383 | ||
3384 | return (lq); | |
3385 | } | |
3386 | ||
3387 | /* | |
3388 | * qla2x00_tgt_alloc | |
3389 | * Allocate and pre-initialize target queue. | |
3390 | * | |
3391 | * Input: | |
3392 | * ha = adapter block pointer. | |
3393 | * t = SCSI target number. | |
3394 | * | |
3395 | * Returns: | |
3396 | * NULL = failure | |
3397 | * | |
3398 | * Context: | |
3399 | * Kernel context. | |
3400 | */ | |
3401 | static os_tgt_t * | |
3402 | qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt) | |
3403 | { | |
3404 | os_tgt_t *tq; | |
3405 | ||
3406 | /* | |
3407 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3408 | */ | |
3409 | if (tgt >= MAX_TARGETS) { | |
3410 | DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid " | |
3411 | "target number %d.\n", ha->host_no, tgt)); | |
3412 | return (NULL); | |
3413 | } | |
3414 | ||
3415 | tq = TGT_Q(ha, tgt); | |
3416 | if (tq == NULL) { | |
3417 | tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC); | |
3418 | if (tq != NULL) { | |
3419 | DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n", | |
3420 | ha->host_no, tgt, tq)); | |
3421 | ||
3422 | memset(tq, 0, sizeof(os_tgt_t)); | |
3423 | tq->ha = ha; | |
3424 | ||
3425 | TGT_Q(ha, tgt) = tq; | |
3426 | } | |
3427 | } | |
3428 | if (tq != NULL) { | |
3429 | tq->port_down_retry_count = ha->port_down_retry_count; | |
3430 | } else { | |
3431 | qla_printk(KERN_WARNING, ha, | |
3432 | "Unable to allocate target.\n"); | |
3433 | ha->mem_err++; | |
3434 | } | |
3435 | ||
3436 | return (tq); | |
3437 | } | |
3438 | ||
3439 | /* | |
3440 | * qla2x00_tgt_free | |
3441 | * Frees target and LUN queues. | |
3442 | * | |
3443 | * Input: | |
3444 | * ha = adapter block pointer. | |
3445 | * t = SCSI target number. | |
3446 | * | |
3447 | * Context: | |
3448 | * Kernel context. | |
3449 | */ | |
3450 | void | |
3451 | qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt) | |
3452 | { | |
3453 | os_tgt_t *tq; | |
3454 | uint16_t lun; | |
3455 | ||
3456 | /* | |
3457 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3458 | */ | |
3459 | if (tgt >= MAX_TARGETS) { | |
3460 | DEBUG2(printk("scsi(%ld): Unable to de-allocate target, " | |
3461 | "invalid target number %d.\n", ha->host_no, tgt)); | |
3462 | ||
3463 | return; | |
3464 | } | |
3465 | ||
3466 | tq = TGT_Q(ha, tgt); | |
3467 | if (tq != NULL) { | |
3468 | TGT_Q(ha, tgt) = NULL; | |
3469 | ||
3470 | /* Free LUN structures. */ | |
3471 | for (lun = 0; lun < MAX_LUNS; lun++) | |
3472 | qla2x00_lun_free(ha, tgt, lun); | |
3473 | ||
3474 | kfree(tq); | |
3475 | } | |
3476 | ||
3477 | return; | |
3478 | } | |
3479 | ||
3480 | /* | |
3481 | * qla2x00_lun_alloc | |
3482 | * Allocate and initialize LUN queue. | |
3483 | * | |
3484 | * Input: | |
3485 | * ha = adapter block pointer. | |
3486 | * t = SCSI target number. | |
3487 | * l = LUN number. | |
3488 | * | |
3489 | * Returns: | |
3490 | * NULL = failure | |
3491 | * | |
3492 | * Context: | |
3493 | * Kernel context. | |
3494 | */ | |
3495 | static os_lun_t * | |
3496 | qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) | |
3497 | { | |
3498 | os_lun_t *lq; | |
3499 | ||
3500 | /* | |
3501 | * If SCSI addressing OK, allocate LUN queue. | |
3502 | */ | |
3503 | if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) { | |
3504 | DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid " | |
3505 | "parameter.\n", ha->host_no)); | |
3506 | ||
3507 | return (NULL); | |
3508 | } | |
3509 | ||
3510 | lq = LUN_Q(ha, tgt, lun); | |
3511 | if (lq == NULL) { | |
3512 | lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC); | |
3513 | if (lq != NULL) { | |
3514 | DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n", | |
3515 | ha->host_no, lun, tgt)); | |
3516 | ||
3517 | memset(lq, 0, sizeof(os_lun_t)); | |
3518 | LUN_Q(ha, tgt, lun) = lq; | |
3519 | ||
3520 | /* | |
3521 | * The following lun queue initialization code | |
3522 | * must be duplicated in alloc_ioctl_mem function | |
3523 | * for ioctl_lq. | |
3524 | */ | |
3525 | lq->q_state = LUN_STATE_READY; | |
3526 | spin_lock_init(&lq->q_lock); | |
3527 | } | |
3528 | } | |
3529 | ||
3530 | if (lq == NULL) { | |
3531 | qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n"); | |
3532 | } | |
3533 | ||
3534 | return (lq); | |
3535 | } | |
3536 | ||
3537 | /* | |
3538 | * qla2x00_lun_free | |
3539 | * Frees LUN queue. | |
3540 | * | |
3541 | * Input: | |
3542 | * ha = adapter block pointer. | |
3543 | * t = SCSI target number. | |
3544 | * | |
3545 | * Context: | |
3546 | * Kernel context. | |
3547 | */ | |
3548 | static void | |
3549 | qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) | |
3550 | { | |
3551 | os_lun_t *lq; | |
3552 | ||
3553 | /* | |
3554 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3555 | */ | |
3556 | if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) { | |
3557 | DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid " | |
3558 | "parameter.\n", ha->host_no)); | |
3559 | ||
3560 | return; | |
3561 | } | |
3562 | ||
3563 | if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) { | |
3564 | LUN_Q(ha, tgt, lun) = NULL; | |
3565 | kfree(lq); | |
3566 | } | |
3567 | ||
3568 | return; | |
3569 | } | |
3570 | ||
3571 | /* | |
3572 | * qla2x00_abort_isp | |
3573 | * Resets ISP and aborts all outstanding commands. | |
3574 | * | |
3575 | * Input: | |
3576 | * ha = adapter block pointer. | |
3577 | * | |
3578 | * Returns: | |
3579 | * 0 = success | |
3580 | */ | |
3581 | int | |
3582 | qla2x00_abort_isp(scsi_qla_host_t *ha) | |
3583 | { | |
3584 | unsigned long flags = 0; | |
3585 | uint16_t cnt; | |
3586 | srb_t *sp; | |
3587 | uint8_t status = 0; | |
3588 | ||
3589 | if (ha->flags.online) { | |
3590 | ha->flags.online = 0; | |
3591 | clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
3592 | qla2x00_stats.ispAbort++; | |
3593 | ha->total_isp_aborts++; /* used by ioctl */ | |
3594 | ha->sns_retry_cnt = 0; | |
3595 | ||
3596 | qla_printk(KERN_INFO, ha, | |
3597 | "Performing ISP error recovery - ha= %p.\n", ha); | |
3598 | qla2x00_reset_chip(ha); | |
3599 | ||
3600 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
3601 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
3602 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
3603 | qla2x00_mark_all_devices_lost(ha); | |
3604 | } else { | |
3605 | if (!atomic_read(&ha->loop_down_timer)) | |
3606 | atomic_set(&ha->loop_down_timer, | |
3607 | LOOP_DOWN_TIME); | |
3608 | } | |
3609 | ||
3610 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3611 | /* Requeue all commands in outstanding command list. */ | |
3612 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
3613 | sp = ha->outstanding_cmds[cnt]; | |
3614 | if (sp) { | |
3615 | ha->outstanding_cmds[cnt] = NULL; | |
3616 | if (ha->actthreads) | |
3617 | ha->actthreads--; | |
3618 | sp->lun_queue->out_cnt--; | |
3619 | ||
1da177e4 | 3620 | sp->flags = 0; |
f4f051eb | 3621 | sp->cmd->result = DID_RESET << 16; |
1da177e4 | 3622 | sp->cmd->host_scribble = (unsigned char *)NULL; |
f4f051eb | 3623 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
3624 | } |
3625 | } | |
3626 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3627 | ||
3628 | qla2x00_nvram_config(ha); | |
3629 | ||
3630 | if (!qla2x00_restart_isp(ha)) { | |
3631 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
3632 | ||
3633 | if (!atomic_read(&ha->loop_down_timer)) { | |
3634 | /* | |
3635 | * Issue marker command only when we are going | |
3636 | * to start the I/O . | |
3637 | */ | |
3638 | ha->marker_needed = 1; | |
3639 | } | |
3640 | ||
3641 | ha->flags.online = 1; | |
3642 | ||
3643 | /* Enable ISP interrupts. */ | |
3644 | qla2x00_enable_intrs(ha); | |
3645 | ||
1da177e4 LT |
3646 | ha->isp_abort_cnt = 0; |
3647 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3648 | } else { /* failed the ISP abort */ | |
3649 | ha->flags.online = 1; | |
3650 | if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { | |
3651 | if (ha->isp_abort_cnt == 0) { | |
3652 | qla_printk(KERN_WARNING, ha, | |
3653 | "ISP error recovery failed - " | |
3654 | "board disabled\n"); | |
3655 | /* | |
3656 | * The next call disables the board | |
3657 | * completely. | |
3658 | */ | |
3659 | qla2x00_reset_adapter(ha); | |
1da177e4 LT |
3660 | ha->flags.online = 0; |
3661 | clear_bit(ISP_ABORT_RETRY, | |
3662 | &ha->dpc_flags); | |
3663 | status = 0; | |
3664 | } else { /* schedule another ISP abort */ | |
3665 | ha->isp_abort_cnt--; | |
3666 | DEBUG(printk("qla%ld: ISP abort - " | |
3667 | "retry remainning %d\n", | |
3668 | ha->host_no, ha->isp_abort_cnt);) | |
3669 | status = 1; | |
3670 | } | |
3671 | } else { | |
3672 | ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; | |
3673 | DEBUG(printk("qla2x00(%ld): ISP error recovery " | |
3674 | "- retrying (%d) more times\n", | |
3675 | ha->host_no, ha->isp_abort_cnt);) | |
3676 | set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3677 | status = 1; | |
3678 | } | |
3679 | } | |
3680 | ||
3681 | } | |
3682 | ||
3683 | if (status) { | |
3684 | qla_printk(KERN_INFO, ha, | |
3685 | "qla2x00_abort_isp: **** FAILED ****\n"); | |
3686 | } else { | |
3687 | DEBUG(printk(KERN_INFO | |
3688 | "qla2x00_abort_isp(%ld): exiting.\n", | |
3689 | ha->host_no);) | |
3690 | } | |
3691 | ||
3692 | return(status); | |
3693 | } | |
3694 | ||
3695 | /* | |
3696 | * qla2x00_restart_isp | |
3697 | * restarts the ISP after a reset | |
3698 | * | |
3699 | * Input: | |
3700 | * ha = adapter block pointer. | |
3701 | * | |
3702 | * Returns: | |
3703 | * 0 = success | |
3704 | */ | |
3705 | static int | |
3706 | qla2x00_restart_isp(scsi_qla_host_t *ha) | |
3707 | { | |
3708 | uint8_t status = 0; | |
3709 | device_reg_t __iomem *reg = ha->iobase; | |
3710 | unsigned long flags = 0; | |
3711 | uint32_t wait_time; | |
3712 | ||
3713 | /* If firmware needs to be loaded */ | |
3714 | if (qla2x00_isp_firmware(ha)) { | |
3715 | ha->flags.online = 0; | |
3716 | if (!(status = qla2x00_chip_diag(ha))) { | |
3717 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
3718 | status = qla2x00_setup_chip(ha); | |
3719 | goto done; | |
3720 | } | |
3721 | ||
3722 | reg = ha->iobase; | |
3723 | ||
3724 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3725 | ||
3726 | /* Disable SRAM, Instruction RAM and GP RAM parity. */ | |
3727 | WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); | |
3728 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3729 | ||
3730 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3731 | ||
3732 | status = qla2x00_setup_chip(ha); | |
3733 | ||
3734 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3735 | ||
3736 | /* Enable proper parity */ | |
3737 | if (IS_QLA2300(ha)) | |
3738 | /* SRAM parity */ | |
3739 | WRT_REG_WORD(®->hccr, | |
3740 | (HCCR_ENABLE_PARITY + 0x1)); | |
3741 | else | |
3742 | /* SRAM, Instruction RAM and GP RAM parity */ | |
3743 | WRT_REG_WORD(®->hccr, | |
3744 | (HCCR_ENABLE_PARITY + 0x7)); | |
3745 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3746 | ||
3747 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3748 | } | |
3749 | } | |
3750 | ||
3751 | done: | |
3752 | if (!status && !(status = qla2x00_init_rings(ha))) { | |
3753 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
3754 | if (!(status = qla2x00_fw_ready(ha))) { | |
3755 | DEBUG(printk("%s(): Start configure loop, " | |
3756 | "status = %d\n", | |
3757 | __func__, | |
3758 | status);) | |
3759 | ha->flags.online = 1; | |
3760 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
3761 | wait_time = 256; | |
3762 | do { | |
3763 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
3764 | qla2x00_configure_loop(ha); | |
3765 | wait_time--; | |
3766 | } while (!atomic_read(&ha->loop_down_timer) && | |
3767 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
3768 | wait_time && | |
3769 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
3770 | } | |
3771 | ||
3772 | /* if no cable then assume it's good */ | |
3773 | if ((ha->device_flags & DFLG_NO_CABLE)) | |
3774 | status = 0; | |
3775 | ||
3776 | DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", | |
3777 | __func__, | |
3778 | status);) | |
3779 | } | |
3780 | return (status); | |
3781 | } | |
3782 | ||
3783 | /* | |
3784 | * qla2x00_reset_adapter | |
3785 | * Reset adapter. | |
3786 | * | |
3787 | * Input: | |
3788 | * ha = adapter block pointer. | |
3789 | */ | |
3790 | static void | |
3791 | qla2x00_reset_adapter(scsi_qla_host_t *ha) | |
3792 | { | |
3793 | unsigned long flags = 0; | |
3794 | device_reg_t __iomem *reg = ha->iobase; | |
3795 | ||
3796 | ha->flags.online = 0; | |
3797 | qla2x00_disable_intrs(ha); | |
3798 | ||
3799 | /* Reset RISC processor. */ | |
3800 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3801 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
3802 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3803 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
3804 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3805 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3806 | } |