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1da177e4 LT |
1 | /* |
2 | * QLOGIC LINUX SOFTWARE | |
3 | * | |
4 | * QLogic ISP2x00 device driver for Linux 2.6.x | |
5 | * Copyright (C) 2003-2004 QLogic Corporation | |
6 | * (www.qlogic.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | */ | |
19 | #include "qla_def.h" | |
20 | ||
21 | #include <linux/delay.h> | |
8482e118 | 22 | #include <scsi/scsi_transport_fc.h> |
1da177e4 LT |
23 | |
24 | #include "qla_devtbl.h" | |
25 | ||
26 | /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ | |
27 | #ifndef EXT_IS_LUN_BIT_SET | |
28 | #define EXT_IS_LUN_BIT_SET(P,L) \ | |
29 | (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) | |
30 | #define EXT_SET_LUN_BIT(P,L) \ | |
31 | ((P)->mask[L/8] |= (0x80 >> (L%8))) | |
32 | #endif | |
33 | ||
34 | /* | |
35 | * QLogic ISP2x00 Hardware Support Function Prototypes. | |
36 | */ | |
37 | static int qla2x00_pci_config(scsi_qla_host_t *); | |
38 | static int qla2x00_isp_firmware(scsi_qla_host_t *); | |
39 | static void qla2x00_reset_chip(scsi_qla_host_t *); | |
40 | static int qla2x00_chip_diag(scsi_qla_host_t *); | |
41 | static void qla2x00_resize_request_q(scsi_qla_host_t *); | |
42 | static int qla2x00_setup_chip(scsi_qla_host_t *); | |
43 | static void qla2x00_init_response_q_entries(scsi_qla_host_t *); | |
44 | static int qla2x00_init_rings(scsi_qla_host_t *); | |
45 | static int qla2x00_fw_ready(scsi_qla_host_t *); | |
46 | static int qla2x00_configure_hba(scsi_qla_host_t *); | |
47 | static int qla2x00_nvram_config(scsi_qla_host_t *); | |
48 | static void qla2x00_init_tgt_map(scsi_qla_host_t *); | |
49 | static int qla2x00_configure_loop(scsi_qla_host_t *); | |
50 | static int qla2x00_configure_local_loop(scsi_qla_host_t *); | |
51 | static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); | |
52 | static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *); | |
53 | static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *, | |
54 | inq_cmd_rsp_t *, dma_addr_t); | |
55 | static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *); | |
56 | static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t, | |
57 | inq_cmd_rsp_t *, dma_addr_t); | |
58 | static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t); | |
59 | static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t, | |
60 | inq_cmd_rsp_t *, dma_addr_t); | |
61 | static int qla2x00_configure_fabric(scsi_qla_host_t *); | |
62 | static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); | |
63 | static int qla2x00_device_resync(scsi_qla_host_t *); | |
64 | static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, | |
65 | uint16_t *); | |
66 | static void qla2x00_config_os(scsi_qla_host_t *ha); | |
67 | static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport); | |
68 | static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *, | |
69 | fc_lun_t *); | |
70 | static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t); | |
71 | ||
72 | static int qla2x00_restart_isp(scsi_qla_host_t *); | |
73 | static void qla2x00_reset_adapter(scsi_qla_host_t *); | |
74 | static os_tgt_t *qla2x00_tgt_alloc(scsi_qla_host_t *, uint16_t); | |
75 | static os_lun_t *qla2x00_lun_alloc(scsi_qla_host_t *, uint16_t, uint16_t); | |
76 | ||
77 | /****************************************************************************/ | |
78 | /* QLogic ISP2x00 Hardware Support Functions. */ | |
79 | /****************************************************************************/ | |
80 | ||
81 | /* | |
82 | * qla2x00_initialize_adapter | |
83 | * Initialize board. | |
84 | * | |
85 | * Input: | |
86 | * ha = adapter block pointer. | |
87 | * | |
88 | * Returns: | |
89 | * 0 = success | |
90 | */ | |
91 | int | |
92 | qla2x00_initialize_adapter(scsi_qla_host_t *ha) | |
93 | { | |
94 | int rval; | |
95 | uint8_t restart_risc = 0; | |
96 | uint8_t retry; | |
97 | uint32_t wait_time; | |
98 | ||
99 | /* Clear adapter flags. */ | |
100 | ha->flags.online = 0; | |
101 | ha->flags.reset_active = 0; | |
102 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
103 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
104 | ha->device_flags = 0; | |
105 | ha->sns_retry_cnt = 0; | |
106 | ha->dpc_flags = 0; | |
107 | ha->failback_delay = 0; | |
108 | ha->flags.management_server_logged_in = 0; | |
109 | ha->marker_needed = 0; | |
110 | ha->mbx_flags = 0; | |
111 | ha->isp_abort_cnt = 0; | |
112 | ha->beacon_blink_led = 0; | |
113 | ||
114 | rval = qla2x00_pci_config(ha); | |
115 | if (rval) { | |
116 | DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", | |
117 | ha->host_no)); | |
118 | return (rval); | |
119 | } | |
120 | ||
121 | qla2x00_reset_chip(ha); | |
122 | ||
123 | /* Initialize target map database. */ | |
124 | qla2x00_init_tgt_map(ha); | |
125 | ||
126 | qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); | |
127 | qla2x00_nvram_config(ha); | |
128 | ||
129 | qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); | |
130 | ||
131 | retry = 10; | |
132 | /* | |
133 | * Try to configure the loop. | |
134 | */ | |
135 | do { | |
136 | restart_risc = 0; | |
137 | ||
138 | /* If firmware needs to be loaded */ | |
139 | if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { | |
140 | if ((rval = qla2x00_chip_diag(ha)) == QLA_SUCCESS) { | |
141 | rval = qla2x00_setup_chip(ha); | |
142 | } | |
143 | } | |
144 | ||
145 | if (rval == QLA_SUCCESS && | |
146 | (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { | |
147 | check_fw_ready_again: | |
148 | /* | |
149 | * Wait for a successful LIP up to a maximum | |
150 | * of (in seconds): RISC login timeout value, | |
151 | * RISC retry count value, and port down retry | |
152 | * value OR a minimum of 4 seconds OR If no | |
153 | * cable, only 5 seconds. | |
154 | */ | |
155 | rval = qla2x00_fw_ready(ha); | |
156 | if (rval == QLA_SUCCESS) { | |
157 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
158 | ||
159 | /* | |
160 | * Wait at most MAX_TARGET RSCNs for a stable | |
161 | * link. | |
162 | */ | |
163 | wait_time = 256; | |
164 | do { | |
165 | clear_bit(LOOP_RESYNC_NEEDED, | |
166 | &ha->dpc_flags); | |
167 | rval = qla2x00_configure_loop(ha); | |
168 | ||
169 | if (test_and_clear_bit(ISP_ABORT_NEEDED, | |
170 | &ha->dpc_flags)) { | |
171 | restart_risc = 1; | |
172 | break; | |
173 | } | |
174 | ||
175 | /* | |
176 | * If loop state change while we were | |
177 | * discoverying devices then wait for | |
178 | * LIP to complete | |
179 | */ | |
180 | ||
181 | if (atomic_read(&ha->loop_state) == | |
182 | LOOP_DOWN && retry--) { | |
183 | goto check_fw_ready_again; | |
184 | } | |
185 | wait_time--; | |
186 | } while (!atomic_read(&ha->loop_down_timer) && | |
187 | retry && | |
188 | wait_time && | |
189 | (test_bit(LOOP_RESYNC_NEEDED, | |
190 | &ha->dpc_flags))); | |
191 | ||
192 | if (wait_time == 0) | |
193 | rval = QLA_FUNCTION_FAILED; | |
194 | if (ha->mem_err) | |
195 | restart_risc = 1; | |
196 | } else if (ha->device_flags & DFLG_NO_CABLE) | |
197 | /* If no cable, then all is good. */ | |
198 | rval = QLA_SUCCESS; | |
199 | } | |
200 | } while (restart_risc && retry--); | |
201 | ||
202 | if (rval == QLA_SUCCESS) { | |
203 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
204 | ha->marker_needed = 1; | |
205 | qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); | |
206 | ha->marker_needed = 0; | |
207 | ||
208 | ha->flags.online = 1; | |
209 | } else { | |
210 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
211 | } | |
212 | ||
213 | return (rval); | |
214 | } | |
215 | ||
216 | /** | |
217 | * qla2x00_pci_config() - Setup device PCI configuration registers. | |
218 | * @ha: HA context | |
219 | * | |
220 | * Returns 0 on success. | |
221 | */ | |
222 | static int | |
223 | qla2x00_pci_config(scsi_qla_host_t *ha) | |
224 | { | |
225 | uint16_t w, mwi; | |
226 | unsigned long flags = 0; | |
227 | uint32_t cnt; | |
228 | ||
229 | qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); | |
230 | ||
231 | /* | |
232 | * Turn on PCI master; for system BIOSes that don't turn it on by | |
233 | * default. | |
234 | */ | |
235 | pci_set_master(ha->pdev); | |
236 | mwi = 0; | |
237 | if (pci_set_mwi(ha->pdev)) | |
238 | mwi = PCI_COMMAND_INVALIDATE; | |
239 | pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); | |
240 | ||
241 | if (!ha->iobase) | |
242 | return (QLA_FUNCTION_FAILED); | |
243 | ||
244 | /* | |
245 | * We want to respect framework's setting of PCI configuration space | |
246 | * command register and also want to make sure that all bits of | |
247 | * interest to us are properly set in command register. | |
248 | */ | |
249 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); | |
250 | w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); | |
251 | ||
252 | /* Get PCI bus information. */ | |
253 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
254 | ha->pci_attr = RD_REG_WORD(&ha->iobase->ctrl_status); | |
255 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
256 | ||
257 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { | |
258 | pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); | |
259 | ||
260 | /* PCI Specification Revision 2.3 changes */ | |
261 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
262 | /* Command Register - Reset Interrupt Disable. */ | |
263 | w &= ~PCI_COMMAND_INTX_DISABLE; | |
264 | ||
265 | /* | |
266 | * If this is a 2300 card and not 2312, reset the | |
267 | * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, | |
268 | * the 2310 also reports itself as a 2300 so we need to get the | |
269 | * fb revision level -- a 6 indicates it really is a 2300 and | |
270 | * not a 2310. | |
271 | */ | |
272 | if (IS_QLA2300(ha)) { | |
273 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
274 | ||
275 | /* Pause RISC. */ | |
276 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_PAUSE_RISC); | |
277 | for (cnt = 0; cnt < 30000; cnt++) { | |
278 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
279 | HCCR_RISC_PAUSE) != 0) | |
280 | break; | |
281 | ||
282 | udelay(10); | |
283 | } | |
284 | ||
285 | /* Select FPM registers. */ | |
286 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x20); | |
287 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
288 | ||
289 | /* Get the fb rev level */ | |
290 | ha->fb_rev = RD_FB_CMD_REG(ha, ha->iobase); | |
291 | ||
292 | if (ha->fb_rev == FPM_2300) | |
293 | w &= ~PCI_COMMAND_INVALIDATE; | |
294 | ||
295 | /* Deselect FPM registers. */ | |
296 | WRT_REG_WORD(&ha->iobase->ctrl_status, 0x0); | |
297 | RD_REG_WORD(&ha->iobase->ctrl_status); | |
298 | ||
299 | /* Release RISC module. */ | |
300 | WRT_REG_WORD(&ha->iobase->hccr, HCCR_RELEASE_RISC); | |
301 | for (cnt = 0; cnt < 30000; cnt++) { | |
302 | if ((RD_REG_WORD(&ha->iobase->hccr) & | |
303 | HCCR_RISC_PAUSE) == 0) | |
304 | break; | |
305 | ||
306 | udelay(10); | |
307 | } | |
308 | ||
309 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
310 | } | |
311 | } | |
312 | ||
313 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); | |
314 | ||
315 | /* Reset expansion ROM address decode enable */ | |
316 | pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); | |
317 | w &= ~PCI_ROM_ADDRESS_ENABLE; | |
318 | pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); | |
319 | ||
320 | return (QLA_SUCCESS); | |
321 | } | |
322 | ||
323 | /** | |
324 | * qla2x00_isp_firmware() - Choose firmware image. | |
325 | * @ha: HA context | |
326 | * | |
327 | * Returns 0 on success. | |
328 | */ | |
329 | static int | |
330 | qla2x00_isp_firmware(scsi_qla_host_t *ha) | |
331 | { | |
332 | int rval; | |
333 | ||
334 | /* Assume loading risc code */ | |
335 | rval = QLA_FUNCTION_FAILED; | |
336 | ||
337 | if (ha->flags.disable_risc_code_load) { | |
338 | DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", | |
339 | ha->host_no)); | |
340 | qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); | |
341 | ||
342 | /* Verify checksum of loaded RISC code. */ | |
343 | rval = qla2x00_verify_checksum(ha); | |
344 | } | |
345 | ||
346 | if (rval) { | |
347 | DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", | |
348 | ha->host_no)); | |
349 | } | |
350 | ||
351 | return (rval); | |
352 | } | |
353 | ||
354 | /** | |
355 | * qla2x00_reset_chip() - Reset ISP chip. | |
356 | * @ha: HA context | |
357 | * | |
358 | * Returns 0 on success. | |
359 | */ | |
360 | static void | |
361 | qla2x00_reset_chip(scsi_qla_host_t *ha) | |
362 | { | |
363 | unsigned long flags = 0; | |
364 | device_reg_t __iomem *reg = ha->iobase; | |
365 | uint32_t cnt; | |
366 | unsigned long mbx_flags = 0; | |
367 | uint16_t cmd; | |
368 | ||
369 | /* Disable ISP interrupts. */ | |
370 | qla2x00_disable_intrs(ha); | |
371 | ||
372 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
373 | ||
374 | /* Turn off master enable */ | |
375 | cmd = 0; | |
376 | pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); | |
377 | cmd &= ~PCI_COMMAND_MASTER; | |
378 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
379 | ||
380 | if (!IS_QLA2100(ha)) { | |
381 | /* Pause RISC. */ | |
382 | WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); | |
383 | if (IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
384 | for (cnt = 0; cnt < 30000; cnt++) { | |
385 | if ((RD_REG_WORD(®->hccr) & | |
386 | HCCR_RISC_PAUSE) != 0) | |
387 | break; | |
388 | udelay(100); | |
389 | } | |
390 | } else { | |
391 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
392 | udelay(10); | |
393 | } | |
394 | ||
395 | /* Select FPM registers. */ | |
396 | WRT_REG_WORD(®->ctrl_status, 0x20); | |
397 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
398 | ||
399 | /* FPM Soft Reset. */ | |
400 | WRT_REG_WORD(®->fpm_diag_config, 0x100); | |
401 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
402 | ||
403 | /* Toggle Fpm Reset. */ | |
404 | if (!IS_QLA2200(ha)) { | |
405 | WRT_REG_WORD(®->fpm_diag_config, 0x0); | |
406 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
407 | } | |
408 | ||
409 | /* Select frame buffer registers. */ | |
410 | WRT_REG_WORD(®->ctrl_status, 0x10); | |
411 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
412 | ||
413 | /* Reset frame buffer FIFOs. */ | |
414 | if (IS_QLA2200(ha)) { | |
415 | WRT_FB_CMD_REG(ha, reg, 0xa000); | |
416 | RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ | |
417 | } else { | |
418 | WRT_FB_CMD_REG(ha, reg, 0x00fc); | |
419 | ||
420 | /* Read back fb_cmd until zero or 3 seconds max */ | |
421 | for (cnt = 0; cnt < 3000; cnt++) { | |
422 | if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) | |
423 | break; | |
424 | udelay(100); | |
425 | } | |
426 | } | |
427 | ||
428 | /* Select RISC module registers. */ | |
429 | WRT_REG_WORD(®->ctrl_status, 0); | |
430 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
431 | ||
432 | /* Reset RISC processor. */ | |
433 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
434 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
435 | ||
436 | /* Release RISC processor. */ | |
437 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
438 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
439 | } | |
440 | ||
441 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
442 | WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); | |
443 | ||
444 | /* Reset ISP chip. */ | |
445 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
446 | ||
447 | /* Wait for RISC to recover from reset. */ | |
448 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
449 | /* | |
450 | * It is necessary to for a delay here since the card doesn't | |
451 | * respond to PCI reads during a reset. On some architectures | |
452 | * this will result in an MCA. | |
453 | */ | |
454 | udelay(20); | |
455 | for (cnt = 30000; cnt; cnt--) { | |
456 | if ((RD_REG_WORD(®->ctrl_status) & | |
457 | CSR_ISP_SOFT_RESET) == 0) | |
458 | break; | |
459 | udelay(100); | |
460 | } | |
461 | } else | |
462 | udelay(10); | |
463 | ||
464 | /* Reset RISC processor. */ | |
465 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
466 | ||
467 | WRT_REG_WORD(®->semaphore, 0); | |
468 | ||
469 | /* Release RISC processor. */ | |
470 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
471 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
472 | ||
473 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
474 | for (cnt = 0; cnt < 30000; cnt++) { | |
475 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
476 | spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); | |
477 | ||
478 | if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { | |
479 | if (!(test_bit(ABORT_ISP_ACTIVE, | |
480 | &ha->dpc_flags))) | |
481 | spin_unlock_irqrestore( | |
482 | &ha->mbx_reg_lock, mbx_flags); | |
483 | break; | |
484 | } | |
485 | ||
486 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
487 | spin_unlock_irqrestore(&ha->mbx_reg_lock, | |
488 | mbx_flags); | |
489 | ||
490 | udelay(100); | |
491 | } | |
492 | } else | |
493 | udelay(100); | |
494 | ||
495 | /* Turn on master enable */ | |
496 | cmd |= PCI_COMMAND_MASTER; | |
497 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
498 | ||
499 | /* Disable RISC pause on FPM parity error. */ | |
500 | if (!IS_QLA2100(ha)) { | |
501 | WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); | |
502 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
503 | } | |
504 | ||
505 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
506 | } | |
507 | ||
508 | /** | |
509 | * qla2x00_chip_diag() - Test chip for proper operation. | |
510 | * @ha: HA context | |
511 | * | |
512 | * Returns 0 on success. | |
513 | */ | |
514 | static int | |
515 | qla2x00_chip_diag(scsi_qla_host_t *ha) | |
516 | { | |
517 | int rval; | |
518 | device_reg_t __iomem *reg = ha->iobase; | |
519 | unsigned long flags = 0; | |
520 | uint16_t data; | |
521 | uint32_t cnt; | |
522 | uint16_t mb[5]; | |
523 | ||
524 | /* Assume a failed state */ | |
525 | rval = QLA_FUNCTION_FAILED; | |
526 | ||
527 | DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", | |
528 | ha->host_no, (u_long)®->flash_address)); | |
529 | ||
530 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
531 | ||
532 | /* Reset ISP chip. */ | |
533 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
534 | ||
535 | /* | |
536 | * We need to have a delay here since the card will not respond while | |
537 | * in reset causing an MCA on some architectures. | |
538 | */ | |
539 | udelay(20); | |
540 | data = qla2x00_debounce_register(®->ctrl_status); | |
541 | for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { | |
542 | udelay(5); | |
543 | data = RD_REG_WORD(®->ctrl_status); | |
544 | barrier(); | |
545 | } | |
546 | ||
547 | if (!cnt) | |
548 | goto chip_diag_failed; | |
549 | ||
550 | DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", | |
551 | ha->host_no)); | |
552 | ||
553 | /* Reset RISC processor. */ | |
554 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
555 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
556 | ||
557 | /* Workaround for QLA2312 PCI parity error */ | |
558 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
559 | data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); | |
560 | for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { | |
561 | udelay(5); | |
562 | data = RD_MAILBOX_REG(ha, reg, 0); | |
563 | barrier(); | |
564 | } | |
565 | } else | |
566 | udelay(10); | |
567 | ||
568 | if (!cnt) | |
569 | goto chip_diag_failed; | |
570 | ||
571 | /* Check product ID of chip */ | |
572 | DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); | |
573 | ||
574 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
575 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
576 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
577 | mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); | |
578 | if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || | |
579 | mb[3] != PROD_ID_3) { | |
580 | qla_printk(KERN_WARNING, ha, | |
581 | "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); | |
582 | ||
583 | goto chip_diag_failed; | |
584 | } | |
585 | ha->product_id[0] = mb[1]; | |
586 | ha->product_id[1] = mb[2]; | |
587 | ha->product_id[2] = mb[3]; | |
588 | ha->product_id[3] = mb[4]; | |
589 | ||
590 | /* Adjust fw RISC transfer size */ | |
591 | if (ha->request_q_length > 1024) | |
592 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; | |
593 | else | |
594 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * | |
595 | ha->request_q_length; | |
596 | ||
597 | if (IS_QLA2200(ha) && | |
598 | RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { | |
599 | /* Limit firmware transfer size with a 2200A */ | |
600 | DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", | |
601 | ha->host_no)); | |
602 | ||
603 | ha->fw_transfer_size = 128; | |
604 | } | |
605 | ||
606 | /* Wrap Incoming Mailboxes Test. */ | |
607 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
608 | ||
609 | DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); | |
610 | rval = qla2x00_mbx_reg_test(ha); | |
611 | if (rval) { | |
612 | DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", | |
613 | ha->host_no)); | |
614 | qla_printk(KERN_WARNING, ha, | |
615 | "Failed mailbox send register test\n"); | |
616 | } | |
617 | else { | |
618 | /* Flag a successful rval */ | |
619 | rval = QLA_SUCCESS; | |
620 | } | |
621 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
622 | ||
623 | chip_diag_failed: | |
624 | if (rval) | |
625 | DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " | |
626 | "****\n", ha->host_no)); | |
627 | ||
628 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
629 | ||
630 | return (rval); | |
631 | } | |
632 | ||
633 | /** | |
634 | * qla2x00_resize_request_q() - Resize request queue given available ISP memory. | |
635 | * @ha: HA context | |
636 | * | |
637 | * Returns 0 on success. | |
638 | */ | |
639 | static void | |
640 | qla2x00_resize_request_q(scsi_qla_host_t *ha) | |
641 | { | |
642 | int rval; | |
643 | uint16_t fw_iocb_cnt = 0; | |
644 | uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; | |
645 | dma_addr_t request_dma; | |
646 | request_t *request_ring; | |
647 | ||
648 | /* Valid only on recent ISPs. */ | |
649 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
650 | return; | |
651 | ||
652 | /* Retrieve IOCB counts available to the firmware. */ | |
653 | rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); | |
654 | if (rval) | |
655 | return; | |
656 | /* No point in continuing if current settings are sufficient. */ | |
657 | if (fw_iocb_cnt < 1024) | |
658 | return; | |
659 | if (ha->request_q_length >= request_q_length) | |
660 | return; | |
661 | ||
662 | /* Attempt to claim larger area for request queue. */ | |
663 | request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
664 | (request_q_length + 1) * sizeof(request_t), &request_dma, | |
665 | GFP_KERNEL); | |
666 | if (request_ring == NULL) | |
667 | return; | |
668 | ||
669 | /* Resize successful, report extensions. */ | |
670 | qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", | |
671 | (ha->fw_memory_size + 1) / 1024); | |
672 | qla_printk(KERN_INFO, ha, "Resizing request queue depth " | |
673 | "(%d -> %d)...\n", ha->request_q_length, request_q_length); | |
674 | ||
675 | /* Clear old allocations. */ | |
676 | dma_free_coherent(&ha->pdev->dev, | |
677 | (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, | |
678 | ha->request_dma); | |
679 | ||
680 | /* Begin using larger queue. */ | |
681 | ha->request_q_length = request_q_length; | |
682 | ha->request_ring = request_ring; | |
683 | ha->request_dma = request_dma; | |
684 | } | |
685 | ||
686 | /** | |
687 | * qla2x00_setup_chip() - Load and start RISC firmware. | |
688 | * @ha: HA context | |
689 | * | |
690 | * Returns 0 on success. | |
691 | */ | |
692 | static int | |
693 | qla2x00_setup_chip(scsi_qla_host_t *ha) | |
694 | { | |
695 | int rval; | |
696 | uint16_t cnt; | |
697 | uint16_t *risc_code; | |
698 | unsigned long risc_address; | |
699 | unsigned long risc_code_size; | |
700 | int num; | |
701 | int i; | |
702 | uint16_t *req_ring; | |
703 | struct qla_fw_info *fw_iter; | |
704 | ||
705 | rval = QLA_SUCCESS; | |
706 | ||
707 | /* Load firmware sequences */ | |
708 | fw_iter = ha->brd_info->fw_info; | |
709 | while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { | |
710 | risc_code = fw_iter->fwcode; | |
711 | risc_code_size = *fw_iter->fwlen; | |
712 | ||
713 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
714 | risc_address = *fw_iter->fwstart; | |
715 | } else { | |
716 | /* Extended address */ | |
717 | risc_address = *fw_iter->lfwstart; | |
718 | } | |
719 | ||
720 | num = 0; | |
721 | rval = 0; | |
722 | while (risc_code_size > 0 && !rval) { | |
723 | cnt = (uint16_t)(ha->fw_transfer_size >> 1); | |
724 | if (cnt > risc_code_size) | |
725 | cnt = risc_code_size; | |
726 | ||
727 | DEBUG7(printk("scsi(%ld): Loading risc segment@ " | |
728 | "addr %p, number of bytes 0x%x, offset 0x%lx.\n", | |
729 | ha->host_no, risc_code, cnt, risc_address)); | |
730 | ||
731 | req_ring = (uint16_t *)ha->request_ring; | |
732 | for (i = 0; i < cnt; i++) | |
733 | req_ring[i] = cpu_to_le16(risc_code[i]); | |
734 | ||
735 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
736 | rval = qla2x00_load_ram(ha, | |
737 | ha->request_dma, risc_address, cnt); | |
738 | } else { | |
739 | rval = qla2x00_load_ram_ext(ha, | |
740 | ha->request_dma, risc_address, cnt); | |
741 | } | |
742 | if (rval) { | |
743 | DEBUG(printk("scsi(%ld): [ERROR] Failed to " | |
744 | "load segment %d of firmware\n", | |
745 | ha->host_no, num)); | |
746 | qla_printk(KERN_WARNING, ha, | |
747 | "[ERROR] Failed to load " | |
748 | "segment %d of firmware\n", num); | |
749 | ||
750 | qla2x00_dump_regs(ha); | |
751 | break; | |
752 | } | |
753 | ||
754 | risc_code += cnt; | |
755 | risc_address += cnt; | |
756 | risc_code_size -= cnt; | |
757 | num++; | |
758 | } | |
759 | ||
760 | /* Next firmware sequence */ | |
761 | fw_iter++; | |
762 | } | |
763 | ||
764 | /* Verify checksum of loaded RISC code. */ | |
765 | if (!rval) { | |
766 | DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " | |
767 | "code.\n", ha->host_no)); | |
768 | ||
769 | rval = qla2x00_verify_checksum(ha); | |
770 | if (rval == QLA_SUCCESS) { | |
771 | /* Start firmware execution. */ | |
772 | DEBUG(printk("scsi(%ld): Checksum OK, start " | |
773 | "firmware.\n", ha->host_no)); | |
774 | ||
775 | rval = qla2x00_execute_fw(ha); | |
776 | /* Retrieve firmware information. */ | |
777 | if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { | |
778 | qla2x00_get_fw_version(ha, | |
779 | &ha->fw_major_version, | |
780 | &ha->fw_minor_version, | |
781 | &ha->fw_subminor_version, | |
782 | &ha->fw_attributes, &ha->fw_memory_size); | |
783 | qla2x00_resize_request_q(ha); | |
784 | } | |
785 | } else { | |
786 | DEBUG2(printk(KERN_INFO | |
787 | "scsi(%ld): ISP Firmware failed checksum.\n", | |
788 | ha->host_no)); | |
789 | } | |
790 | } | |
791 | ||
792 | if (rval) { | |
793 | DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", | |
794 | ha->host_no)); | |
795 | } | |
796 | ||
797 | return (rval); | |
798 | } | |
799 | ||
800 | /** | |
801 | * qla2x00_init_response_q_entries() - Initializes response queue entries. | |
802 | * @ha: HA context | |
803 | * | |
804 | * Beginning of request ring has initialization control block already built | |
805 | * by nvram config routine. | |
806 | * | |
807 | * Returns 0 on success. | |
808 | */ | |
809 | static void | |
810 | qla2x00_init_response_q_entries(scsi_qla_host_t *ha) | |
811 | { | |
812 | uint16_t cnt; | |
813 | response_t *pkt; | |
814 | ||
815 | pkt = ha->response_ring_ptr; | |
816 | for (cnt = 0; cnt < ha->response_q_length; cnt++) { | |
817 | pkt->signature = RESPONSE_PROCESSED; | |
818 | pkt++; | |
819 | } | |
820 | ||
821 | } | |
822 | ||
823 | /** | |
824 | * qla2x00_update_fw_options() - Read and process firmware options. | |
825 | * @ha: HA context | |
826 | * | |
827 | * Returns 0 on success. | |
828 | */ | |
829 | static void | |
830 | qla2x00_update_fw_options(scsi_qla_host_t *ha) | |
831 | { | |
832 | uint16_t swing, emphasis, tx_sens, rx_sens; | |
833 | ||
834 | memset(ha->fw_options, 0, sizeof(ha->fw_options)); | |
835 | qla2x00_get_fw_options(ha, ha->fw_options); | |
836 | ||
837 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
838 | return; | |
839 | ||
840 | /* Serial Link options. */ | |
841 | DEBUG3(printk("scsi(%ld): Serial link options:\n", | |
842 | ha->host_no)); | |
843 | DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, | |
844 | sizeof(ha->fw_seriallink_options))); | |
845 | ||
846 | ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; | |
847 | if (ha->fw_seriallink_options[3] & BIT_2) { | |
848 | ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; | |
849 | ||
850 | /* 1G settings */ | |
851 | swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); | |
852 | emphasis = (ha->fw_seriallink_options[2] & | |
853 | (BIT_4 | BIT_3)) >> 3; | |
854 | tx_sens = ha->fw_seriallink_options[0] & | |
855 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
856 | rx_sens = (ha->fw_seriallink_options[0] & | |
857 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
858 | ha->fw_options[10] = (emphasis << 14) | (swing << 8); | |
859 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
860 | if (rx_sens == 0x0) | |
861 | rx_sens = 0x3; | |
862 | ha->fw_options[10] |= (tx_sens << 4) | rx_sens; | |
863 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
864 | ha->fw_options[10] |= BIT_5 | | |
865 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
866 | (tx_sens & (BIT_1 | BIT_0)); | |
867 | ||
868 | /* 2G settings */ | |
869 | swing = (ha->fw_seriallink_options[2] & | |
870 | (BIT_7 | BIT_6 | BIT_5)) >> 5; | |
871 | emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); | |
872 | tx_sens = ha->fw_seriallink_options[1] & | |
873 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
874 | rx_sens = (ha->fw_seriallink_options[1] & | |
875 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
876 | ha->fw_options[11] = (emphasis << 14) | (swing << 8); | |
877 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
878 | if (rx_sens == 0x0) | |
879 | rx_sens = 0x3; | |
880 | ha->fw_options[11] |= (tx_sens << 4) | rx_sens; | |
881 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
882 | ha->fw_options[11] |= BIT_5 | | |
883 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
884 | (tx_sens & (BIT_1 | BIT_0)); | |
885 | } | |
886 | ||
887 | /* FCP2 options. */ | |
888 | /* Return command IOCBs without waiting for an ABTS to complete. */ | |
889 | ha->fw_options[3] |= BIT_13; | |
890 | ||
891 | /* LED scheme. */ | |
892 | if (ha->flags.enable_led_scheme) | |
893 | ha->fw_options[2] |= BIT_12; | |
894 | ||
895 | /* Update firmware options. */ | |
896 | qla2x00_set_fw_options(ha, ha->fw_options); | |
897 | } | |
898 | ||
899 | /** | |
900 | * qla2x00_init_rings() - Initializes firmware. | |
901 | * @ha: HA context | |
902 | * | |
903 | * Beginning of request ring has initialization control block already built | |
904 | * by nvram config routine. | |
905 | * | |
906 | * Returns 0 on success. | |
907 | */ | |
908 | static int | |
909 | qla2x00_init_rings(scsi_qla_host_t *ha) | |
910 | { | |
911 | int rval; | |
912 | unsigned long flags = 0; | |
913 | int cnt; | |
914 | device_reg_t __iomem *reg = ha->iobase; | |
915 | ||
916 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
917 | ||
918 | /* Clear outstanding commands array. */ | |
919 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
920 | ha->outstanding_cmds[cnt] = NULL; | |
921 | ||
922 | ha->current_outstanding_cmd = 0; | |
923 | ||
924 | /* Clear RSCN queue. */ | |
925 | ha->rscn_in_ptr = 0; | |
926 | ha->rscn_out_ptr = 0; | |
927 | ||
928 | /* Initialize firmware. */ | |
929 | ha->request_ring_ptr = ha->request_ring; | |
930 | ha->req_ring_index = 0; | |
931 | ha->req_q_cnt = ha->request_q_length; | |
932 | ha->response_ring_ptr = ha->response_ring; | |
933 | ha->rsp_ring_index = 0; | |
934 | ||
935 | /* Setup ring parameters in initialization control block. */ | |
936 | ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); | |
937 | ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); | |
938 | ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); | |
939 | ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); | |
940 | ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); | |
941 | ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); | |
942 | ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); | |
943 | ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); | |
944 | ||
945 | /* Initialize response queue entries */ | |
946 | qla2x00_init_response_q_entries(ha); | |
947 | ||
948 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); | |
949 | WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); | |
950 | WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); | |
951 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); | |
952 | RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ | |
953 | ||
954 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
955 | ||
956 | /* Update any ISP specific firmware options before initialization. */ | |
957 | qla2x00_update_fw_options(ha); | |
958 | ||
959 | DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); | |
960 | rval = qla2x00_init_firmware(ha, sizeof(init_cb_t)); | |
961 | if (rval) { | |
962 | DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", | |
963 | ha->host_no)); | |
964 | } else { | |
965 | DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", | |
966 | ha->host_no)); | |
967 | } | |
968 | ||
969 | return (rval); | |
970 | } | |
971 | ||
972 | /** | |
973 | * qla2x00_fw_ready() - Waits for firmware ready. | |
974 | * @ha: HA context | |
975 | * | |
976 | * Returns 0 on success. | |
977 | */ | |
978 | static int | |
979 | qla2x00_fw_ready(scsi_qla_host_t *ha) | |
980 | { | |
981 | int rval; | |
982 | unsigned long wtime, mtime; | |
983 | uint16_t min_wait; /* Minimum wait time if loop is down */ | |
984 | uint16_t wait_time; /* Wait time if loop is coming ready */ | |
985 | uint16_t fw_state; | |
986 | ||
987 | rval = QLA_SUCCESS; | |
988 | ||
989 | /* 20 seconds for loop down. */ | |
990 | min_wait = 20; | |
991 | ||
992 | /* | |
993 | * Firmware should take at most one RATOV to login, plus 5 seconds for | |
994 | * our own processing. | |
995 | */ | |
996 | if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { | |
997 | wait_time = min_wait; | |
998 | } | |
999 | ||
1000 | /* Min wait time if loop down */ | |
1001 | mtime = jiffies + (min_wait * HZ); | |
1002 | ||
1003 | /* wait time before firmware ready */ | |
1004 | wtime = jiffies + (wait_time * HZ); | |
1005 | ||
1006 | /* Wait for ISP to finish LIP */ | |
1007 | if (!ha->flags.init_done) | |
1008 | qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); | |
1009 | ||
1010 | DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", | |
1011 | ha->host_no)); | |
1012 | ||
1013 | do { | |
1014 | rval = qla2x00_get_firmware_state(ha, &fw_state); | |
1015 | if (rval == QLA_SUCCESS) { | |
1016 | if (fw_state < FSTATE_LOSS_OF_SYNC) { | |
1017 | ha->device_flags &= ~DFLG_NO_CABLE; | |
1018 | } | |
1019 | if (fw_state == FSTATE_READY) { | |
1020 | DEBUG(printk("scsi(%ld): F/W Ready - OK \n", | |
1021 | ha->host_no)); | |
1022 | ||
1023 | qla2x00_get_retry_cnt(ha, &ha->retry_count, | |
1024 | &ha->login_timeout, &ha->r_a_tov); | |
1025 | ||
1026 | rval = QLA_SUCCESS; | |
1027 | break; | |
1028 | } | |
1029 | ||
1030 | rval = QLA_FUNCTION_FAILED; | |
1031 | ||
1032 | if (atomic_read(&ha->loop_down_timer) && | |
1033 | (fw_state >= FSTATE_LOSS_OF_SYNC || | |
1034 | fw_state == FSTATE_WAIT_AL_PA)) { | |
1035 | /* Loop down. Timeout on min_wait for states | |
1036 | * other than Wait for Login. | |
1037 | */ | |
1038 | if (time_after_eq(jiffies, mtime)) { | |
1039 | qla_printk(KERN_INFO, ha, | |
1040 | "Cable is unplugged...\n"); | |
1041 | ||
1042 | ha->device_flags |= DFLG_NO_CABLE; | |
1043 | break; | |
1044 | } | |
1045 | } | |
1046 | } else { | |
1047 | /* Mailbox cmd failed. Timeout on min_wait. */ | |
1048 | if (time_after_eq(jiffies, mtime)) | |
1049 | break; | |
1050 | } | |
1051 | ||
1052 | if (time_after_eq(jiffies, wtime)) | |
1053 | break; | |
1054 | ||
1055 | /* Delay for a while */ | |
1056 | msleep(500); | |
1057 | ||
1058 | DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1059 | ha->host_no, fw_state, jiffies)); | |
1060 | } while (1); | |
1061 | ||
1062 | DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1063 | ha->host_no, fw_state, jiffies)); | |
1064 | ||
1065 | if (rval) { | |
1066 | DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", | |
1067 | ha->host_no)); | |
1068 | } | |
1069 | ||
1070 | return (rval); | |
1071 | } | |
1072 | ||
1073 | /* | |
1074 | * qla2x00_configure_hba | |
1075 | * Setup adapter context. | |
1076 | * | |
1077 | * Input: | |
1078 | * ha = adapter state pointer. | |
1079 | * | |
1080 | * Returns: | |
1081 | * 0 = success | |
1082 | * | |
1083 | * Context: | |
1084 | * Kernel context. | |
1085 | */ | |
1086 | static int | |
1087 | qla2x00_configure_hba(scsi_qla_host_t *ha) | |
1088 | { | |
1089 | int rval; | |
1090 | uint16_t loop_id; | |
1091 | uint16_t topo; | |
1092 | uint8_t al_pa; | |
1093 | uint8_t area; | |
1094 | uint8_t domain; | |
1095 | char connect_type[22]; | |
1096 | ||
1097 | /* Get host addresses. */ | |
1098 | rval = qla2x00_get_adapter_id(ha, | |
1099 | &loop_id, &al_pa, &area, &domain, &topo); | |
1100 | if (rval != QLA_SUCCESS) { | |
1101 | qla_printk(KERN_WARNING, ha, | |
1102 | "ERROR -- Unable to get host loop ID.\n"); | |
1103 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1104 | return (rval); | |
1105 | } | |
1106 | ||
1107 | if (topo == 4) { | |
1108 | qla_printk(KERN_INFO, ha, | |
1109 | "Cannot get topology - retrying.\n"); | |
1110 | return (QLA_FUNCTION_FAILED); | |
1111 | } | |
1112 | ||
1113 | ha->loop_id = loop_id; | |
1114 | ||
1115 | /* initialize */ | |
1116 | ha->min_external_loopid = SNS_FIRST_LOOP_ID; | |
1117 | ha->operating_mode = LOOP; | |
1118 | ||
1119 | switch (topo) { | |
1120 | case 0: | |
1121 | DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", | |
1122 | ha->host_no)); | |
1123 | ha->current_topology = ISP_CFG_NL; | |
1124 | strcpy(connect_type, "(Loop)"); | |
1125 | break; | |
1126 | ||
1127 | case 1: | |
1128 | DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", | |
1129 | ha->host_no)); | |
1130 | ha->current_topology = ISP_CFG_FL; | |
1131 | strcpy(connect_type, "(FL_Port)"); | |
1132 | break; | |
1133 | ||
1134 | case 2: | |
1135 | DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", | |
1136 | ha->host_no)); | |
1137 | ha->operating_mode = P2P; | |
1138 | ha->current_topology = ISP_CFG_N; | |
1139 | strcpy(connect_type, "(N_Port-to-N_Port)"); | |
1140 | break; | |
1141 | ||
1142 | case 3: | |
1143 | DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", | |
1144 | ha->host_no)); | |
1145 | ha->operating_mode = P2P; | |
1146 | ha->current_topology = ISP_CFG_F; | |
1147 | strcpy(connect_type, "(F_Port)"); | |
1148 | break; | |
1149 | ||
1150 | default: | |
1151 | DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " | |
1152 | "Using NL.\n", | |
1153 | ha->host_no, topo)); | |
1154 | ha->current_topology = ISP_CFG_NL; | |
1155 | strcpy(connect_type, "(Loop)"); | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | /* Save Host port and loop ID. */ | |
1160 | /* byte order - Big Endian */ | |
1161 | ha->d_id.b.domain = domain; | |
1162 | ha->d_id.b.area = area; | |
1163 | ha->d_id.b.al_pa = al_pa; | |
1164 | ||
1165 | if (!ha->flags.init_done) | |
1166 | qla_printk(KERN_INFO, ha, | |
1167 | "Topology - %s, Host Loop address 0x%x\n", | |
1168 | connect_type, ha->loop_id); | |
1169 | ||
1170 | if (rval) { | |
1171 | DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); | |
1172 | } else { | |
1173 | DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); | |
1174 | } | |
1175 | ||
1176 | return(rval); | |
1177 | } | |
1178 | ||
1179 | /* | |
1180 | * NVRAM configuration for ISP 2xxx | |
1181 | * | |
1182 | * Input: | |
1183 | * ha = adapter block pointer. | |
1184 | * | |
1185 | * Output: | |
1186 | * initialization control block in response_ring | |
1187 | * host adapters parameters in host adapter block | |
1188 | * | |
1189 | * Returns: | |
1190 | * 0 = success. | |
1191 | */ | |
1192 | static int | |
1193 | qla2x00_nvram_config(scsi_qla_host_t *ha) | |
1194 | { | |
1195 | int rval; | |
1196 | uint8_t chksum = 0; | |
1197 | uint16_t cnt; | |
1198 | uint8_t *dptr1, *dptr2; | |
1199 | init_cb_t *icb = ha->init_cb; | |
1200 | nvram_t *nv = (nvram_t *)ha->request_ring; | |
1201 | uint16_t *wptr = (uint16_t *)ha->request_ring; | |
1202 | device_reg_t __iomem *reg = ha->iobase; | |
1203 | uint8_t timer_mode; | |
1204 | ||
1205 | rval = QLA_SUCCESS; | |
1206 | ||
1207 | /* Determine NVRAM starting address. */ | |
1208 | ha->nvram_base = 0; | |
1209 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) | |
1210 | if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) | |
1211 | ha->nvram_base = 0x80; | |
1212 | ||
1213 | /* Get NVRAM data and calculate checksum. */ | |
1214 | qla2x00_lock_nvram_access(ha); | |
1215 | for (cnt = 0; cnt < sizeof(nvram_t)/2; cnt++) { | |
1216 | *wptr = cpu_to_le16(qla2x00_get_nvram_word(ha, | |
1217 | (cnt+ha->nvram_base))); | |
1218 | chksum += (uint8_t)*wptr; | |
1219 | chksum += (uint8_t)(*wptr >> 8); | |
1220 | wptr++; | |
1221 | } | |
1222 | qla2x00_unlock_nvram_access(ha); | |
1223 | ||
1224 | DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); | |
1225 | DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, | |
1226 | sizeof(nvram_t))); | |
1227 | ||
1228 | /* Bad NVRAM data, set defaults parameters. */ | |
1229 | if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || | |
1230 | nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { | |
1231 | /* Reset NVRAM data. */ | |
1232 | qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " | |
1233 | "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], | |
1234 | nv->nvram_version); | |
1235 | qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " | |
1236 | "invalid -- WWPN) defaults.\n"); | |
1237 | ||
1238 | /* | |
1239 | * Set default initialization control block. | |
1240 | */ | |
1241 | memset(nv, 0, sizeof(nvram_t)); | |
1242 | nv->parameter_block_version = ICB_VERSION; | |
1243 | ||
1244 | if (IS_QLA23XX(ha)) { | |
1245 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1246 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1247 | nv->add_firmware_options[0] = BIT_5; | |
1248 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1249 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1250 | nv->special_options[1] = BIT_7; | |
1251 | } else if (IS_QLA2200(ha)) { | |
1252 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1253 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1254 | nv->add_firmware_options[0] = BIT_5; | |
1255 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1256 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1257 | } else if (IS_QLA2100(ha)) { | |
1258 | nv->firmware_options[0] = BIT_3 | BIT_1; | |
1259 | nv->firmware_options[1] = BIT_5; | |
1260 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1261 | } | |
1262 | ||
1263 | nv->max_iocb_allocation = __constant_cpu_to_le16(256); | |
1264 | nv->execution_throttle = __constant_cpu_to_le16(16); | |
1265 | nv->retry_count = 8; | |
1266 | nv->retry_delay = 1; | |
1267 | ||
1268 | nv->port_name[0] = 33; | |
1269 | nv->port_name[3] = 224; | |
1270 | nv->port_name[4] = 139; | |
1271 | ||
1272 | nv->login_timeout = 4; | |
1273 | ||
1274 | /* | |
1275 | * Set default host adapter parameters | |
1276 | */ | |
1277 | nv->host_p[1] = BIT_2; | |
1278 | nv->reset_delay = 5; | |
1279 | nv->port_down_retry_count = 8; | |
1280 | nv->max_luns_per_target = __constant_cpu_to_le16(8); | |
1281 | nv->link_down_timeout = 60; | |
1282 | ||
1283 | rval = 1; | |
1284 | } | |
1285 | ||
1286 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1287 | /* | |
1288 | * The SN2 does not provide BIOS emulation which means you can't change | |
1289 | * potentially bogus BIOS settings. Force the use of default settings | |
1290 | * for link rate and frame size. Hope that the rest of the settings | |
1291 | * are valid. | |
1292 | */ | |
1293 | if (ia64_platform_is("sn2")) { | |
1294 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1295 | if (IS_QLA23XX(ha)) | |
1296 | nv->special_options[1] = BIT_7; | |
1297 | } | |
1298 | #endif | |
1299 | ||
1300 | /* Reset Initialization control block */ | |
1301 | memset(icb, 0, sizeof(init_cb_t)); | |
1302 | ||
1303 | /* | |
1304 | * Setup driver NVRAM options. | |
1305 | */ | |
1306 | nv->firmware_options[0] |= (BIT_6 | BIT_1); | |
1307 | nv->firmware_options[0] &= ~(BIT_5 | BIT_4); | |
1308 | nv->firmware_options[1] |= (BIT_5 | BIT_0); | |
1309 | nv->firmware_options[1] &= ~BIT_4; | |
1310 | ||
1311 | if (IS_QLA23XX(ha)) { | |
1312 | nv->firmware_options[0] |= BIT_2; | |
1313 | nv->firmware_options[0] &= ~BIT_3; | |
1314 | ||
1315 | if (IS_QLA2300(ha)) { | |
1316 | if (ha->fb_rev == FPM_2310) { | |
1317 | strcpy(ha->model_number, "QLA2310"); | |
1318 | } else { | |
1319 | strcpy(ha->model_number, "QLA2300"); | |
1320 | } | |
1321 | } else { | |
1322 | if (rval == 0 && | |
1323 | memcmp(nv->model_number, BINZERO, | |
1324 | sizeof(nv->model_number)) != 0) { | |
1325 | char *st, *en; | |
1326 | ||
1327 | strncpy(ha->model_number, nv->model_number, | |
1328 | sizeof(nv->model_number)); | |
1329 | st = en = ha->model_number; | |
1330 | en += sizeof(nv->model_number) - 1; | |
1331 | while (en > st) { | |
1332 | if (*en != 0x20 && *en != 0x00) | |
1333 | break; | |
1334 | *en-- = '\0'; | |
1335 | } | |
1336 | } else { | |
1337 | uint16_t index; | |
1338 | ||
1339 | index = (ha->pdev->subsystem_device & 0xff); | |
1340 | if (index < QLA_MODEL_NAMES) { | |
1341 | strcpy(ha->model_number, | |
1342 | qla2x00_model_name[index]); | |
1343 | ha->model_desc = | |
1344 | qla2x00_model_desc[index]; | |
1345 | } else { | |
1346 | strcpy(ha->model_number, "QLA23xx"); | |
1347 | } | |
1348 | } | |
1349 | } | |
1350 | } else if (IS_QLA2200(ha)) { | |
1351 | nv->firmware_options[0] |= BIT_2; | |
1352 | /* | |
1353 | * 'Point-to-point preferred, else loop' is not a safe | |
1354 | * connection mode setting. | |
1355 | */ | |
1356 | if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == | |
1357 | (BIT_5 | BIT_4)) { | |
1358 | /* Force 'loop preferred, else point-to-point'. */ | |
1359 | nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); | |
1360 | nv->add_firmware_options[0] |= BIT_5; | |
1361 | } | |
1362 | strcpy(ha->model_number, "QLA22xx"); | |
1363 | } else /*if (IS_QLA2100(ha))*/ { | |
1364 | strcpy(ha->model_number, "QLA2100"); | |
1365 | } | |
1366 | ||
1367 | /* | |
1368 | * Copy over NVRAM RISC parameter block to initialization control block. | |
1369 | */ | |
1370 | dptr1 = (uint8_t *)icb; | |
1371 | dptr2 = (uint8_t *)&nv->parameter_block_version; | |
1372 | cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; | |
1373 | while (cnt--) | |
1374 | *dptr1++ = *dptr2++; | |
1375 | ||
1376 | /* Copy 2nd half. */ | |
1377 | dptr1 = (uint8_t *)icb->add_firmware_options; | |
1378 | cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; | |
1379 | while (cnt--) | |
1380 | *dptr1++ = *dptr2++; | |
1381 | ||
1382 | /* Prepare nodename */ | |
1383 | if ((icb->firmware_options[1] & BIT_6) == 0) { | |
1384 | /* | |
1385 | * Firmware will apply the following mask if the nodename was | |
1386 | * not provided. | |
1387 | */ | |
1388 | memcpy(icb->node_name, icb->port_name, WWN_SIZE); | |
1389 | icb->node_name[0] &= 0xF0; | |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * Set host adapter parameters. | |
1394 | */ | |
1395 | ha->nvram_version = nv->nvram_version; | |
1396 | ||
1397 | ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); | |
1398 | /* Always load RISC code on non ISP2[12]00 chips. */ | |
1399 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1400 | ha->flags.disable_risc_code_load = 0; | |
1401 | ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); | |
1402 | ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); | |
1403 | ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); | |
1404 | ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0); | |
1405 | ||
1406 | ha->operating_mode = | |
1407 | (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; | |
1408 | ||
1409 | memcpy(ha->fw_seriallink_options, nv->seriallink_options, | |
1410 | sizeof(ha->fw_seriallink_options)); | |
1411 | ||
1412 | /* save HBA serial number */ | |
1413 | ha->serial0 = icb->port_name[5]; | |
1414 | ha->serial1 = icb->port_name[6]; | |
1415 | ha->serial2 = icb->port_name[7]; | |
1416 | memcpy(ha->node_name, icb->node_name, WWN_SIZE); | |
1417 | ||
1418 | icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); | |
1419 | ||
1420 | ha->retry_count = nv->retry_count; | |
1421 | ||
1422 | /* Set minimum login_timeout to 4 seconds. */ | |
1423 | if (nv->login_timeout < ql2xlogintimeout) | |
1424 | nv->login_timeout = ql2xlogintimeout; | |
1425 | if (nv->login_timeout < 4) | |
1426 | nv->login_timeout = 4; | |
1427 | ha->login_timeout = nv->login_timeout; | |
1428 | icb->login_timeout = nv->login_timeout; | |
1429 | ||
1430 | /* Set minimum RATOV to 200 tenths of a second. */ | |
1431 | ha->r_a_tov = 200; | |
1432 | ||
1433 | ha->minimum_timeout = | |
1434 | (ha->login_timeout * ha->retry_count) + nv->port_down_retry_count; | |
1435 | ha->loop_reset_delay = nv->reset_delay; | |
1436 | ||
1437 | /* Will get the value from NVRAM. */ | |
1438 | ha->loop_down_timeout = LOOP_DOWN_TIMEOUT; | |
1439 | ||
1440 | /* Link Down Timeout = 0: | |
1441 | * | |
1442 | * When Port Down timer expires we will start returning | |
1443 | * I/O's to OS with "DID_NO_CONNECT". | |
1444 | * | |
1445 | * Link Down Timeout != 0: | |
1446 | * | |
1447 | * The driver waits for the link to come up after link down | |
1448 | * before returning I/Os to OS with "DID_NO_CONNECT". | |
1449 | */ | |
1450 | if (nv->link_down_timeout == 0) { | |
1451 | ha->loop_down_abort_time = | |
1452 | (LOOP_DOWN_TIME - ha->loop_down_timeout); | |
1453 | } else { | |
1454 | ha->link_down_timeout = nv->link_down_timeout; | |
1455 | ha->loop_down_abort_time = | |
1456 | (LOOP_DOWN_TIME - ha->link_down_timeout); | |
1457 | } | |
1458 | ||
1459 | ha->max_luns = MAX_LUNS; | |
1460 | ha->max_probe_luns = le16_to_cpu(nv->max_luns_per_target); | |
1461 | if (ha->max_probe_luns == 0) | |
1462 | ha->max_probe_luns = MIN_LUNS; | |
1463 | ||
1464 | /* | |
1465 | * Need enough time to try and get the port back. | |
1466 | */ | |
1467 | ha->port_down_retry_count = nv->port_down_retry_count; | |
1468 | if (qlport_down_retry) | |
1469 | ha->port_down_retry_count = qlport_down_retry; | |
1470 | /* Set login_retry_count */ | |
1471 | ha->login_retry_count = nv->retry_count; | |
1472 | if (ha->port_down_retry_count == nv->port_down_retry_count && | |
1473 | ha->port_down_retry_count > 3) | |
1474 | ha->login_retry_count = ha->port_down_retry_count; | |
1475 | else if (ha->port_down_retry_count > (int)ha->login_retry_count) | |
1476 | ha->login_retry_count = ha->port_down_retry_count; | |
1477 | if (ql2xloginretrycount) | |
1478 | ha->login_retry_count = ql2xloginretrycount; | |
1479 | ||
1480 | ha->binding_type = Bind; | |
1481 | if (ha->binding_type != BIND_BY_PORT_NAME && | |
1482 | ha->binding_type != BIND_BY_PORT_ID) { | |
1483 | qla_printk(KERN_WARNING, ha, | |
1484 | "Invalid binding type specified (%d), " | |
1485 | "defaulting to BIND_BY_PORT_NAME!!!\n", ha->binding_type); | |
1486 | ||
1487 | ha->binding_type = BIND_BY_PORT_NAME; | |
1488 | } | |
1489 | ||
1490 | icb->lun_enables = __constant_cpu_to_le16(0); | |
1491 | icb->command_resource_count = 0; | |
1492 | icb->immediate_notify_resource_count = 0; | |
1493 | icb->timeout = __constant_cpu_to_le16(0); | |
1494 | ||
1495 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1496 | /* Enable RIO */ | |
1497 | icb->firmware_options[0] &= ~BIT_3; | |
1498 | icb->add_firmware_options[0] &= | |
1499 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1500 | icb->add_firmware_options[0] |= BIT_2; | |
1501 | icb->response_accumulation_timer = 3; | |
1502 | icb->interrupt_delay_timer = 5; | |
1503 | ||
1504 | ha->flags.process_response_queue = 1; | |
1505 | } else { | |
1506 | /* Enable ZIO -- Support mode 5 only. */ | |
1507 | timer_mode = icb->add_firmware_options[0] & | |
1508 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1509 | icb->add_firmware_options[0] &= | |
1510 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1511 | if (ql2xenablezio) | |
1512 | timer_mode = BIT_2 | BIT_0; | |
1513 | if (timer_mode == (BIT_2 | BIT_0)) { | |
1514 | DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " | |
1515 | "(%d).\n", ha->host_no, ql2xintrdelaytimer)); | |
1516 | qla_printk(KERN_INFO, ha, | |
1517 | "ZIO enabled; timer delay (%d).\n", | |
1518 | ql2xintrdelaytimer); | |
1519 | ||
1520 | icb->add_firmware_options[0] |= timer_mode; | |
1521 | icb->interrupt_delay_timer = ql2xintrdelaytimer; | |
1522 | ha->flags.process_response_queue = 1; | |
1523 | } | |
1524 | } | |
1525 | ||
1526 | if (rval) { | |
1527 | DEBUG2_3(printk(KERN_WARNING | |
1528 | "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); | |
1529 | } | |
1530 | return (rval); | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * qla2x00_init_tgt_map | |
1535 | * Initializes target map. | |
1536 | * | |
1537 | * Input: | |
1538 | * ha = adapter block pointer. | |
1539 | * | |
1540 | * Output: | |
1541 | * TGT_Q initialized | |
1542 | */ | |
1543 | static void | |
1544 | qla2x00_init_tgt_map(scsi_qla_host_t *ha) | |
1545 | { | |
1546 | uint32_t t; | |
1547 | ||
1548 | for (t = 0; t < MAX_TARGETS; t++) | |
1549 | TGT_Q(ha, t) = (os_tgt_t *)NULL; | |
1550 | } | |
1551 | ||
1552 | /** | |
1553 | * qla2x00_alloc_fcport() - Allocate a generic fcport. | |
1554 | * @ha: HA context | |
1555 | * @flags: allocation flags | |
1556 | * | |
1557 | * Returns a pointer to the allocated fcport, or NULL, if none available. | |
1558 | */ | |
1559 | fc_port_t * | |
1560 | qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) | |
1561 | { | |
1562 | fc_port_t *fcport; | |
1563 | ||
1564 | fcport = kmalloc(sizeof(fc_port_t), flags); | |
1565 | if (fcport == NULL) | |
1566 | return (fcport); | |
1567 | ||
1568 | /* Setup fcport template structure. */ | |
1569 | memset(fcport, 0, sizeof (fc_port_t)); | |
1570 | fcport->ha = ha; | |
1571 | fcport->port_type = FCT_UNKNOWN; | |
1572 | fcport->loop_id = FC_NO_LOOP_ID; | |
1573 | fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; | |
1574 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
1575 | fcport->flags = FCF_RLC_SUPPORT; | |
1576 | INIT_LIST_HEAD(&fcport->fcluns); | |
1577 | ||
1578 | return (fcport); | |
1579 | } | |
1580 | ||
1581 | /* | |
1582 | * qla2x00_configure_loop | |
1583 | * Updates Fibre Channel Device Database with what is actually on loop. | |
1584 | * | |
1585 | * Input: | |
1586 | * ha = adapter block pointer. | |
1587 | * | |
1588 | * Returns: | |
1589 | * 0 = success. | |
1590 | * 1 = error. | |
1591 | * 2 = database was full and device was not configured. | |
1592 | */ | |
1593 | static int | |
1594 | qla2x00_configure_loop(scsi_qla_host_t *ha) | |
1595 | { | |
1596 | int rval; | |
1597 | unsigned long flags, save_flags; | |
1598 | ||
1599 | rval = QLA_SUCCESS; | |
1600 | ||
1601 | /* Get Initiator ID */ | |
1602 | if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { | |
1603 | rval = qla2x00_configure_hba(ha); | |
1604 | if (rval != QLA_SUCCESS) { | |
1605 | DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", | |
1606 | ha->host_no)); | |
1607 | return (rval); | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | save_flags = flags = ha->dpc_flags; | |
1612 | DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", | |
1613 | ha->host_no, flags)); | |
1614 | ||
1615 | /* | |
1616 | * If we have both an RSCN and PORT UPDATE pending then handle them | |
1617 | * both at the same time. | |
1618 | */ | |
1619 | clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1620 | clear_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1621 | ha->mem_err = 0 ; | |
1622 | ||
1623 | /* Determine what we need to do */ | |
1624 | if (ha->current_topology == ISP_CFG_FL && | |
1625 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1626 | ||
1627 | ha->flags.rscn_queue_overflow = 1; | |
1628 | set_bit(RSCN_UPDATE, &flags); | |
1629 | ||
1630 | } else if (ha->current_topology == ISP_CFG_F && | |
1631 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1632 | ||
1633 | ha->flags.rscn_queue_overflow = 1; | |
1634 | set_bit(RSCN_UPDATE, &flags); | |
1635 | clear_bit(LOCAL_LOOP_UPDATE, &flags); | |
1636 | ||
1637 | } else if (!ha->flags.online || | |
1638 | (test_bit(ABORT_ISP_ACTIVE, &flags))) { | |
1639 | ||
1640 | ha->flags.rscn_queue_overflow = 1; | |
1641 | set_bit(RSCN_UPDATE, &flags); | |
1642 | set_bit(LOCAL_LOOP_UPDATE, &flags); | |
1643 | } | |
1644 | ||
1645 | if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { | |
1646 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1647 | rval = QLA_FUNCTION_FAILED; | |
1648 | } else { | |
1649 | rval = qla2x00_configure_local_loop(ha); | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { | |
1654 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1655 | rval = QLA_FUNCTION_FAILED; | |
1656 | } else { | |
1657 | rval = qla2x00_configure_fabric(ha); | |
1658 | } | |
1659 | } | |
1660 | ||
1661 | if (rval == QLA_SUCCESS) { | |
1662 | if (atomic_read(&ha->loop_down_timer) || | |
1663 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1664 | rval = QLA_FUNCTION_FAILED; | |
1665 | } else { | |
1666 | qla2x00_config_os(ha); | |
1667 | atomic_set(&ha->loop_state, LOOP_READY); | |
1668 | ||
1669 | DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | if (rval) { | |
1674 | DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", | |
1675 | __func__, ha->host_no)); | |
1676 | } else { | |
1677 | DEBUG3(printk("%s: exiting normally\n", __func__)); | |
1678 | } | |
1679 | ||
1680 | /* Restore state if a resync event occured during processing */ | |
1681 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1682 | if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) | |
1683 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1684 | if (test_bit(RSCN_UPDATE, &save_flags)) | |
1685 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1686 | } | |
1687 | ||
1688 | return (rval); | |
1689 | } | |
1690 | ||
1691 | ||
1692 | ||
1693 | /* | |
1694 | * qla2x00_configure_local_loop | |
1695 | * Updates Fibre Channel Device Database with local loop devices. | |
1696 | * | |
1697 | * Input: | |
1698 | * ha = adapter block pointer. | |
1699 | * | |
1700 | * Returns: | |
1701 | * 0 = success. | |
1702 | */ | |
1703 | static int | |
1704 | qla2x00_configure_local_loop(scsi_qla_host_t *ha) | |
1705 | { | |
1706 | int rval, rval2; | |
1707 | int found_devs; | |
1708 | int found; | |
1709 | fc_port_t *fcport, *new_fcport; | |
1710 | ||
1711 | uint16_t index; | |
1712 | uint16_t entries; | |
1713 | char *id_iter; | |
1714 | uint16_t loop_id; | |
1715 | uint8_t domain, area, al_pa; | |
1716 | ||
1717 | found_devs = 0; | |
1718 | new_fcport = NULL; | |
1719 | entries = MAX_FIBRE_DEVICES; | |
1720 | ||
1721 | DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); | |
1722 | DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); | |
1723 | ||
1724 | /* Get list of logged in devices. */ | |
1725 | memset(ha->gid_list, 0, GID_LIST_SIZE); | |
1726 | rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, | |
1727 | &entries); | |
1728 | if (rval != QLA_SUCCESS) | |
1729 | goto cleanup_allocation; | |
1730 | ||
1731 | DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", | |
1732 | ha->host_no, entries)); | |
1733 | DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, | |
1734 | entries * sizeof(struct gid_list_info))); | |
1735 | ||
1736 | /* Allocate temporary fcport for any new fcports discovered. */ | |
1737 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1738 | if (new_fcport == NULL) { | |
1739 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1740 | goto cleanup_allocation; | |
1741 | } | |
1742 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1743 | ||
1744 | /* | |
1745 | * Mark local devices that were present with FCF_DEVICE_LOST for now. | |
1746 | */ | |
1747 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1748 | if (atomic_read(&fcport->state) == FCS_ONLINE && | |
1749 | fcport->port_type != FCT_BROADCAST && | |
1750 | (fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
1751 | ||
1752 | DEBUG(printk("scsi(%ld): Marking port lost, " | |
1753 | "loop_id=0x%04x\n", | |
1754 | ha->host_no, fcport->loop_id)); | |
1755 | ||
1756 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1757 | fcport->flags &= ~FCF_FARP_DONE; | |
1758 | } | |
1759 | } | |
1760 | ||
1761 | /* Add devices to port list. */ | |
1762 | id_iter = (char *)ha->gid_list; | |
1763 | for (index = 0; index < entries; index++) { | |
1764 | domain = ((struct gid_list_info *)id_iter)->domain; | |
1765 | area = ((struct gid_list_info *)id_iter)->area; | |
1766 | al_pa = ((struct gid_list_info *)id_iter)->al_pa; | |
1767 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1768 | loop_id = (uint16_t) | |
1769 | ((struct gid_list_info *)id_iter)->loop_id_2100; | |
1770 | id_iter += 4; | |
1771 | } else { | |
1772 | loop_id = le16_to_cpu( | |
1773 | ((struct gid_list_info *)id_iter)->loop_id); | |
1774 | id_iter += 6; | |
1775 | } | |
1776 | ||
1777 | /* Bypass reserved domain fields. */ | |
1778 | if ((domain & 0xf0) == 0xf0) | |
1779 | continue; | |
1780 | ||
1781 | /* Bypass if not same domain and area of adapter. */ | |
1782 | if (area != ha->d_id.b.area || domain != ha->d_id.b.domain) | |
1783 | continue; | |
1784 | ||
1785 | /* Bypass invalid local loop ID. */ | |
1786 | if (loop_id > LAST_LOCAL_LOOP_ID) | |
1787 | continue; | |
1788 | ||
1789 | /* Fill in member data. */ | |
1790 | new_fcport->d_id.b.domain = domain; | |
1791 | new_fcport->d_id.b.area = area; | |
1792 | new_fcport->d_id.b.al_pa = al_pa; | |
1793 | new_fcport->loop_id = loop_id; | |
1794 | rval2 = qla2x00_get_port_database(ha, new_fcport, 0); | |
1795 | if (rval2 != QLA_SUCCESS) { | |
1796 | DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " | |
1797 | "information -- get_port_database=%x, " | |
1798 | "loop_id=0x%04x\n", | |
1799 | ha->host_no, rval2, new_fcport->loop_id)); | |
1800 | continue; | |
1801 | } | |
1802 | ||
1803 | /* Check for matching device in port list. */ | |
1804 | found = 0; | |
1805 | fcport = NULL; | |
1806 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1807 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
1808 | WWN_SIZE)) | |
1809 | continue; | |
1810 | ||
1811 | fcport->flags &= ~(FCF_FABRIC_DEVICE | | |
1812 | FCF_PERSISTENT_BOUND); | |
1813 | fcport->loop_id = new_fcport->loop_id; | |
1814 | fcport->port_type = new_fcport->port_type; | |
1815 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
1816 | memcpy(fcport->node_name, new_fcport->node_name, | |
1817 | WWN_SIZE); | |
1818 | ||
1819 | found++; | |
1820 | break; | |
1821 | } | |
1822 | ||
1823 | if (!found) { | |
1824 | /* New device, add to fcports list. */ | |
1825 | new_fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
1826 | list_add_tail(&new_fcport->list, &ha->fcports); | |
1827 | ||
1828 | /* Allocate a new replacement fcport. */ | |
1829 | fcport = new_fcport; | |
1830 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1831 | if (new_fcport == NULL) { | |
1832 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1833 | goto cleanup_allocation; | |
1834 | } | |
1835 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1836 | } | |
1837 | ||
1838 | qla2x00_update_fcport(ha, fcport); | |
1839 | ||
1840 | found_devs++; | |
1841 | } | |
1842 | ||
1843 | cleanup_allocation: | |
1844 | if (new_fcport) | |
1845 | kfree(new_fcport); | |
1846 | ||
1847 | if (rval != QLA_SUCCESS) { | |
1848 | DEBUG2(printk("scsi(%ld): Configure local loop error exit: " | |
1849 | "rval=%x\n", ha->host_no, rval)); | |
1850 | } | |
1851 | ||
1852 | if (found_devs) { | |
1853 | ha->device_flags |= DFLG_LOCAL_DEVICES; | |
1854 | ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; | |
1855 | } | |
1856 | ||
1857 | return (rval); | |
1858 | } | |
1859 | ||
1860 | static void | |
1861 | qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) | |
1862 | { | |
1863 | fc_port_t *fcport; | |
1864 | ||
1865 | qla2x00_mark_all_devices_lost(ha); | |
1866 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1867 | if (fcport->port_type != FCT_TARGET) | |
1868 | continue; | |
1869 | ||
1870 | qla2x00_update_fcport(ha, fcport); | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | /* | |
1875 | * qla2x00_update_fcport | |
1876 | * Updates device on list. | |
1877 | * | |
1878 | * Input: | |
1879 | * ha = adapter block pointer. | |
1880 | * fcport = port structure pointer. | |
1881 | * | |
1882 | * Return: | |
1883 | * 0 - Success | |
1884 | * BIT_0 - error | |
1885 | * | |
1886 | * Context: | |
1887 | * Kernel context. | |
1888 | */ | |
1889 | static void | |
1890 | qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1891 | { | |
1892 | uint16_t index; | |
1893 | unsigned long flags; | |
1894 | srb_t *sp; | |
1895 | ||
1896 | fcport->ha = ha; | |
1897 | fcport->login_retry = 0; | |
1898 | fcport->port_login_retry_count = ha->port_down_retry_count * | |
1899 | PORT_RETRY_TIME; | |
1900 | atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * | |
1901 | PORT_RETRY_TIME); | |
1902 | fcport->flags &= ~FCF_LOGIN_NEEDED; | |
1903 | ||
1904 | /* | |
1905 | * Check for outstanding cmd on tape Bypass LUN discovery if active | |
1906 | * command on tape. | |
1907 | */ | |
1908 | if (fcport->flags & FCF_TAPE_PRESENT) { | |
1909 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1910 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
1911 | if ((sp = ha->outstanding_cmds[index]) != 0) { | |
1912 | if (sp->fclun->fcport == fcport) { | |
1913 | atomic_set(&fcport->state, FCS_ONLINE); | |
1914 | spin_unlock_irqrestore( | |
1915 | &ha->hardware_lock, flags); | |
1916 | return; | |
1917 | } | |
1918 | } | |
1919 | } | |
1920 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1921 | } | |
1922 | ||
1923 | /* Do LUN discovery. */ | |
1924 | if (fcport->port_type == FCT_INITIATOR || | |
1925 | fcport->port_type == FCT_BROADCAST) { | |
1926 | fcport->device_type = TYPE_PROCESSOR; | |
1927 | } else { | |
1928 | qla2x00_lun_discovery(ha, fcport); | |
1929 | } | |
1930 | atomic_set(&fcport->state, FCS_ONLINE); | |
8482e118 | 1931 | if (ha->flags.init_done) |
1932 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1933 | } |
1934 | ||
8482e118 | 1935 | void |
1936 | qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1937 | { | |
1938 | struct fc_rport_identifiers rport_ids; | |
1939 | ||
1940 | if (fcport->rport) { | |
1941 | fc_remote_port_unblock(fcport->rport); | |
1942 | return; | |
1943 | } | |
1944 | ||
1945 | rport_ids.node_name = be64_to_cpu(*(uint64_t *)fcport->node_name); | |
1946 | rport_ids.port_name = be64_to_cpu(*(uint64_t *)fcport->port_name); | |
1947 | rport_ids.port_id = fcport->d_id.b.domain << 16 | | |
1948 | fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; | |
1949 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
1950 | if (fcport->port_type == FCT_INITIATOR) | |
1951 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1952 | if (fcport->port_type == FCT_TARGET) | |
1953 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1954 | ||
1955 | fcport->rport = fc_remote_port_add(ha->host, 0, &rport_ids); | |
1956 | if (!fcport->rport) | |
1957 | qla_printk(KERN_WARNING, ha, | |
1958 | "Unable to allocate fc remote port!\n"); | |
1959 | } | |
1da177e4 LT |
1960 | /* |
1961 | * qla2x00_lun_discovery | |
1962 | * Issue SCSI inquiry command for LUN discovery. | |
1963 | * | |
1964 | * Input: | |
1965 | * ha: adapter state pointer. | |
1966 | * fcport: FC port structure pointer. | |
1967 | * | |
1968 | * Context: | |
1969 | * Kernel context. | |
1970 | */ | |
1971 | static void | |
1972 | qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1973 | { | |
1974 | inq_cmd_rsp_t *inq; | |
1975 | dma_addr_t inq_dma; | |
1976 | uint16_t lun; | |
1977 | ||
1978 | inq = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &inq_dma); | |
1979 | if (inq == NULL) { | |
1980 | qla_printk(KERN_WARNING, ha, | |
1981 | "Memory Allocation failed - INQ\n"); | |
1982 | return; | |
1983 | } | |
1984 | ||
1985 | /* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */ | |
1986 | qla2x00_add_lun(fcport, 0); | |
1987 | ||
1988 | /* If report LUN works, exit. */ | |
1989 | if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) != | |
1990 | QLA_SUCCESS) { | |
1991 | for (lun = 0; lun < ha->max_probe_luns; lun++) { | |
1992 | /* Configure LUN. */ | |
1993 | qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | dma_pool_free(ha->s_dma_pool, inq, inq_dma); | |
1998 | } | |
1999 | ||
2000 | /* | |
2001 | * qla2x00_rpt_lun_discovery | |
2002 | * Issue SCSI report LUN command for LUN discovery. | |
2003 | * | |
2004 | * Input: | |
2005 | * ha: adapter state pointer. | |
2006 | * fcport: FC port structure pointer. | |
2007 | * | |
2008 | * Returns: | |
2009 | * qla2x00 local function return status code. | |
2010 | * | |
2011 | * Context: | |
2012 | * Kernel context. | |
2013 | */ | |
2014 | static int | |
2015 | qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2016 | inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
2017 | { | |
2018 | int rval; | |
2019 | uint32_t len, cnt; | |
2020 | uint16_t lun; | |
2021 | ||
2022 | /* Assume a failed status */ | |
2023 | rval = QLA_FUNCTION_FAILED; | |
2024 | ||
2025 | /* No point in continuing if the device doesn't support RLC */ | |
2026 | if ((fcport->flags & FCF_RLC_SUPPORT) == 0) | |
2027 | return (rval); | |
2028 | ||
2029 | rval = qla2x00_report_lun(ha, fcport); | |
2030 | if (rval != QLA_SUCCESS) | |
2031 | return (rval); | |
2032 | ||
2033 | /* Configure LUN list. */ | |
2034 | len = be32_to_cpu(ha->rlc_rsp->list.hdr.len); | |
2035 | len /= 8; | |
2036 | for (cnt = 0; cnt < len; cnt++) { | |
2037 | lun = CHAR_TO_SHORT(ha->rlc_rsp->list.lst[cnt].lsb, | |
2038 | ha->rlc_rsp->list.lst[cnt].msb.b); | |
2039 | ||
2040 | DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun)); | |
2041 | ||
2042 | /* We only support 0 through MAX_LUNS-1 range */ | |
2043 | if (lun < MAX_LUNS) { | |
2044 | qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma); | |
2045 | } | |
2046 | } | |
2047 | atomic_set(&fcport->state, FCS_ONLINE); | |
2048 | ||
2049 | return (rval); | |
2050 | } | |
2051 | ||
2052 | /* | |
2053 | * qla2x00_report_lun | |
2054 | * Issue SCSI report LUN command. | |
2055 | * | |
2056 | * Input: | |
2057 | * ha: adapter state pointer. | |
2058 | * fcport: FC port structure pointer. | |
2059 | * | |
2060 | * Returns: | |
2061 | * qla2x00 local function return status code. | |
2062 | * | |
2063 | * Context: | |
2064 | * Kernel context. | |
2065 | */ | |
2066 | static int | |
2067 | qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport) | |
2068 | { | |
2069 | int rval; | |
2070 | uint16_t retries; | |
2071 | uint16_t comp_status; | |
2072 | uint16_t scsi_status; | |
2073 | rpt_lun_cmd_rsp_t *rlc; | |
2074 | dma_addr_t rlc_dma; | |
2075 | ||
2076 | rval = QLA_FUNCTION_FAILED; | |
2077 | rlc = ha->rlc_rsp; | |
2078 | rlc_dma = ha->rlc_rsp_dma; | |
2079 | ||
2080 | for (retries = 3; retries; retries--) { | |
2081 | memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t)); | |
2082 | rlc->p.cmd.entry_type = COMMAND_A64_TYPE; | |
2083 | rlc->p.cmd.entry_count = 1; | |
2084 | SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id); | |
2085 | rlc->p.cmd.control_flags = | |
2086 | __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); | |
2087 | rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS; | |
2088 | rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t)); | |
2089 | rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t)); | |
2090 | rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1); | |
2091 | rlc->p.cmd.timeout = __constant_cpu_to_le16(10); | |
2092 | rlc->p.cmd.byte_count = | |
2093 | __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); | |
2094 | rlc->p.cmd.dseg_0_address[0] = cpu_to_le32( | |
2095 | LSD(rlc_dma + sizeof(sts_entry_t))); | |
2096 | rlc->p.cmd.dseg_0_address[1] = cpu_to_le32( | |
2097 | MSD(rlc_dma + sizeof(sts_entry_t))); | |
2098 | rlc->p.cmd.dseg_0_length = | |
2099 | __constant_cpu_to_le32(sizeof(rpt_lun_lst_t)); | |
2100 | ||
2101 | rval = qla2x00_issue_iocb(ha, rlc, rlc_dma, | |
2102 | sizeof(rpt_lun_cmd_rsp_t)); | |
2103 | ||
2104 | comp_status = le16_to_cpu(rlc->p.rsp.comp_status); | |
2105 | scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status); | |
2106 | ||
2107 | if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || | |
2108 | scsi_status & SS_CHECK_CONDITION) { | |
2109 | ||
2110 | /* Device underrun, treat as OK. */ | |
2111 | if (rval == QLA_SUCCESS && | |
2112 | comp_status == CS_DATA_UNDERRUN && | |
2113 | scsi_status & SS_RESIDUAL_UNDER) { | |
2114 | ||
2115 | rval = QLA_SUCCESS; | |
2116 | break; | |
2117 | } | |
2118 | ||
2119 | DEBUG(printk("scsi(%ld): RLC failed to issue iocb! " | |
2120 | "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", | |
2121 | ha->host_no, fcport->loop_id, fcport, rval, | |
2122 | comp_status, scsi_status)); | |
2123 | ||
2124 | rval = QLA_FUNCTION_FAILED; | |
2125 | if (scsi_status & SS_CHECK_CONDITION) { | |
2126 | DEBUG2(printk("scsi(%ld): RLC " | |
2127 | "SS_CHECK_CONDITION Sense Data " | |
2128 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
2129 | ha->host_no, | |
2130 | rlc->p.rsp.req_sense_data[0], | |
2131 | rlc->p.rsp.req_sense_data[1], | |
2132 | rlc->p.rsp.req_sense_data[2], | |
2133 | rlc->p.rsp.req_sense_data[3], | |
2134 | rlc->p.rsp.req_sense_data[4], | |
2135 | rlc->p.rsp.req_sense_data[5], | |
2136 | rlc->p.rsp.req_sense_data[6], | |
2137 | rlc->p.rsp.req_sense_data[7])); | |
2138 | if (rlc->p.rsp.req_sense_data[2] == | |
2139 | ILLEGAL_REQUEST) { | |
2140 | fcport->flags &= ~(FCF_RLC_SUPPORT); | |
2141 | break; | |
2142 | } | |
2143 | } | |
2144 | } else { | |
2145 | break; | |
2146 | } | |
2147 | } | |
2148 | ||
2149 | return (rval); | |
2150 | } | |
2151 | ||
2152 | /* | |
2153 | * qla2x00_cfg_lun | |
2154 | * Configures LUN into fcport LUN list. | |
2155 | * | |
2156 | * Input: | |
2157 | * fcport: FC port structure pointer. | |
2158 | * lun: LUN number. | |
2159 | * | |
2160 | * Context: | |
2161 | * Kernel context. | |
2162 | */ | |
2163 | static fc_lun_t * | |
2164 | qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun, | |
2165 | inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
2166 | { | |
2167 | fc_lun_t *fclun; | |
2168 | uint8_t device_type; | |
2169 | ||
2170 | /* Bypass LUNs that failed. */ | |
2171 | if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) { | |
2172 | DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x " | |
2173 | "lun=%d\n", ha->host_no, fcport->loop_id, lun)); | |
2174 | ||
2175 | return (NULL); | |
2176 | } | |
2177 | device_type = (inq->inq[0] & 0x1f); | |
2178 | switch (device_type) { | |
2179 | case TYPE_DISK: | |
2180 | case TYPE_PROCESSOR: | |
2181 | case TYPE_WORM: | |
2182 | case TYPE_ROM: | |
2183 | case TYPE_SCANNER: | |
2184 | case TYPE_MOD: | |
2185 | case TYPE_MEDIUM_CHANGER: | |
2186 | case TYPE_ENCLOSURE: | |
2187 | case 0x20: | |
2188 | case 0x0C: | |
2189 | break; | |
2190 | case TYPE_TAPE: | |
2191 | fcport->flags |= FCF_TAPE_PRESENT; | |
2192 | break; | |
2193 | default: | |
2194 | DEBUG2(printk("scsi(%ld): Unsupported lun type -- " | |
2195 | "loop id=0x%04x lun=%d type=%x\n", | |
2196 | ha->host_no, fcport->loop_id, lun, device_type)); | |
2197 | return (NULL); | |
2198 | } | |
2199 | ||
2200 | fcport->device_type = device_type; | |
2201 | fclun = qla2x00_add_lun(fcport, lun); | |
2202 | ||
2203 | if (fclun != NULL) { | |
2204 | atomic_set(&fcport->state, FCS_ONLINE); | |
2205 | } | |
2206 | ||
2207 | return (fclun); | |
2208 | } | |
2209 | ||
2210 | /* | |
2211 | * qla2x00_add_lun | |
2212 | * Adds LUN to database | |
2213 | * | |
2214 | * Input: | |
2215 | * fcport: FC port structure pointer. | |
2216 | * lun: LUN number. | |
2217 | * | |
2218 | * Context: | |
2219 | * Kernel context. | |
2220 | */ | |
2221 | static fc_lun_t * | |
2222 | qla2x00_add_lun(fc_port_t *fcport, uint16_t lun) | |
2223 | { | |
2224 | int found; | |
2225 | fc_lun_t *fclun; | |
2226 | ||
2227 | if (fcport == NULL) { | |
2228 | DEBUG(printk("scsi: Unable to add lun to NULL port\n")); | |
2229 | return (NULL); | |
2230 | } | |
2231 | ||
2232 | /* Allocate LUN if not already allocated. */ | |
2233 | found = 0; | |
2234 | list_for_each_entry(fclun, &fcport->fcluns, list) { | |
2235 | if (fclun->lun == lun) { | |
2236 | found++; | |
2237 | break; | |
2238 | } | |
2239 | } | |
2240 | if (found) | |
2241 | return (NULL); | |
2242 | ||
2243 | fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC); | |
2244 | if (fclun == NULL) { | |
2245 | printk(KERN_WARNING | |
2246 | "%s(): Memory Allocation failed - FCLUN\n", | |
2247 | __func__); | |
2248 | return (NULL); | |
2249 | } | |
2250 | ||
2251 | /* Setup LUN structure. */ | |
2252 | memset(fclun, 0, sizeof(fc_lun_t)); | |
2253 | fclun->lun = lun; | |
2254 | fclun->fcport = fcport; | |
2255 | fclun->o_fcport = fcport; | |
2256 | fclun->device_type = fcport->device_type; | |
2257 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
2258 | ||
2259 | list_add_tail(&fclun->list, &fcport->fcluns); | |
2260 | ||
2261 | return (fclun); | |
2262 | } | |
2263 | ||
2264 | /* | |
2265 | * qla2x00_inquiry | |
2266 | * Issue SCSI inquiry command. | |
2267 | * | |
2268 | * Input: | |
2269 | * ha = adapter block pointer. | |
2270 | * fcport = FC port structure pointer. | |
2271 | * | |
2272 | * Return: | |
2273 | * 0 - Success | |
2274 | * BIT_0 - error | |
2275 | * | |
2276 | * Context: | |
2277 | * Kernel context. | |
2278 | */ | |
2279 | static int | |
2280 | qla2x00_inquiry(scsi_qla_host_t *ha, | |
2281 | fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma) | |
2282 | { | |
2283 | int rval; | |
2284 | uint16_t retries; | |
2285 | uint16_t comp_status; | |
2286 | uint16_t scsi_status; | |
2287 | ||
2288 | rval = QLA_FUNCTION_FAILED; | |
2289 | ||
2290 | for (retries = 3; retries; retries--) { | |
2291 | memset(inq, 0, sizeof(inq_cmd_rsp_t)); | |
2292 | inq->p.cmd.entry_type = COMMAND_A64_TYPE; | |
2293 | inq->p.cmd.entry_count = 1; | |
2294 | inq->p.cmd.lun = cpu_to_le16(lun); | |
2295 | SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id); | |
2296 | inq->p.cmd.control_flags = | |
2297 | __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG); | |
2298 | inq->p.cmd.scsi_cdb[0] = INQUIRY; | |
2299 | inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE; | |
2300 | inq->p.cmd.dseg_count = __constant_cpu_to_le16(1); | |
2301 | inq->p.cmd.timeout = __constant_cpu_to_le16(10); | |
2302 | inq->p.cmd.byte_count = | |
2303 | __constant_cpu_to_le32(INQ_DATA_SIZE); | |
2304 | inq->p.cmd.dseg_0_address[0] = cpu_to_le32( | |
2305 | LSD(inq_dma + sizeof(sts_entry_t))); | |
2306 | inq->p.cmd.dseg_0_address[1] = cpu_to_le32( | |
2307 | MSD(inq_dma + sizeof(sts_entry_t))); | |
2308 | inq->p.cmd.dseg_0_length = | |
2309 | __constant_cpu_to_le32(INQ_DATA_SIZE); | |
2310 | ||
2311 | DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p]," | |
2312 | " lun (%d)\n", | |
2313 | ha->host_no, fcport->loop_id, fcport, lun)); | |
2314 | ||
2315 | rval = qla2x00_issue_iocb(ha, inq, inq_dma, | |
2316 | sizeof(inq_cmd_rsp_t)); | |
2317 | ||
2318 | comp_status = le16_to_cpu(inq->p.rsp.comp_status); | |
2319 | scsi_status = le16_to_cpu(inq->p.rsp.scsi_status); | |
2320 | ||
2321 | DEBUG5(printk("scsi(%ld): lun (%d) inquiry - " | |
2322 | "inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, " | |
2323 | "rval=%d\n", | |
2324 | ha->host_no, lun, inq->inq[0], comp_status, scsi_status, | |
2325 | rval)); | |
2326 | ||
2327 | if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE || | |
2328 | scsi_status & SS_CHECK_CONDITION) { | |
2329 | ||
2330 | DEBUG(printk("scsi(%ld): INQ failed to issue iocb! " | |
2331 | "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n", | |
2332 | ha->host_no, fcport->loop_id, fcport, rval, | |
2333 | comp_status, scsi_status)); | |
2334 | ||
2335 | if (rval == QLA_SUCCESS) | |
2336 | rval = QLA_FUNCTION_FAILED; | |
2337 | ||
2338 | if (scsi_status & SS_CHECK_CONDITION) { | |
2339 | DEBUG2(printk("scsi(%ld): INQ " | |
2340 | "SS_CHECK_CONDITION Sense Data " | |
2341 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
2342 | ha->host_no, | |
2343 | inq->p.rsp.req_sense_data[0], | |
2344 | inq->p.rsp.req_sense_data[1], | |
2345 | inq->p.rsp.req_sense_data[2], | |
2346 | inq->p.rsp.req_sense_data[3], | |
2347 | inq->p.rsp.req_sense_data[4], | |
2348 | inq->p.rsp.req_sense_data[5], | |
2349 | inq->p.rsp.req_sense_data[6], | |
2350 | inq->p.rsp.req_sense_data[7])); | |
2351 | } | |
2352 | ||
2353 | /* Device underrun drop LUN. */ | |
2354 | if (comp_status == CS_DATA_UNDERRUN && | |
2355 | scsi_status & SS_RESIDUAL_UNDER) { | |
2356 | break; | |
2357 | } | |
2358 | } else { | |
2359 | break; | |
2360 | } | |
2361 | } | |
2362 | ||
2363 | return (rval); | |
2364 | } | |
2365 | ||
2366 | ||
2367 | /* | |
2368 | * qla2x00_configure_fabric | |
2369 | * Setup SNS devices with loop ID's. | |
2370 | * | |
2371 | * Input: | |
2372 | * ha = adapter block pointer. | |
2373 | * | |
2374 | * Returns: | |
2375 | * 0 = success. | |
2376 | * BIT_0 = error | |
2377 | */ | |
2378 | static int | |
2379 | qla2x00_configure_fabric(scsi_qla_host_t *ha) | |
2380 | { | |
2381 | int rval, rval2; | |
2382 | fc_port_t *fcport, *fcptemp; | |
2383 | uint16_t next_loopid; | |
2384 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2385 | LIST_HEAD(new_fcports); | |
2386 | ||
2387 | /* If FL port exists, then SNS is present */ | |
2388 | rval = qla2x00_get_port_name(ha, SNS_FL_PORT, NULL, 0); | |
2389 | if (rval != QLA_SUCCESS) { | |
2390 | DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " | |
2391 | "Port\n", ha->host_no)); | |
2392 | ||
2393 | ha->device_flags &= ~SWITCH_FOUND; | |
2394 | return (QLA_SUCCESS); | |
2395 | } | |
2396 | ||
2397 | /* Mark devices that need re-synchronization. */ | |
2398 | rval2 = qla2x00_device_resync(ha); | |
2399 | if (rval2 == QLA_RSCNS_HANDLED) { | |
2400 | /* No point doing the scan, just continue. */ | |
2401 | return (QLA_SUCCESS); | |
2402 | } | |
2403 | do { | |
2404 | /* Ensure we are logged into the SNS. */ | |
2405 | qla2x00_login_fabric(ha, SIMPLE_NAME_SERVER, 0xff, 0xff, 0xfc, | |
2406 | mb, BIT_1 | BIT_0); | |
2407 | if (mb[0] != MBS_COMMAND_COMPLETE) { | |
2408 | DEBUG2(qla_printk(KERN_INFO, ha, | |
2409 | "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " | |
2410 | "mb[2]=%x mb[6]=%x mb[7]=%x\n", SIMPLE_NAME_SERVER, | |
2411 | mb[0], mb[1], mb[2], mb[6], mb[7])); | |
2412 | return (QLA_SUCCESS); | |
2413 | } | |
2414 | ||
2415 | if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { | |
2416 | if (qla2x00_rft_id(ha)) { | |
2417 | /* EMPTY */ | |
2418 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
2419 | "TYPE failed.\n", ha->host_no)); | |
2420 | } | |
2421 | if (qla2x00_rff_id(ha)) { | |
2422 | /* EMPTY */ | |
2423 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
2424 | "Features failed.\n", ha->host_no)); | |
2425 | } | |
2426 | if (qla2x00_rnn_id(ha)) { | |
2427 | /* EMPTY */ | |
2428 | DEBUG2(printk("scsi(%ld): Register Node Name " | |
2429 | "failed.\n", ha->host_no)); | |
2430 | } else if (qla2x00_rsnn_nn(ha)) { | |
2431 | /* EMPTY */ | |
2432 | DEBUG2(printk("scsi(%ld): Register Symbolic " | |
2433 | "Node Name failed.\n", ha->host_no)); | |
2434 | } | |
2435 | } | |
2436 | ||
2437 | rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); | |
2438 | if (rval != QLA_SUCCESS) | |
2439 | break; | |
2440 | ||
2441 | /* | |
2442 | * Logout all previous fabric devices marked lost, except | |
2443 | * tape devices. | |
2444 | */ | |
2445 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2446 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2447 | break; | |
2448 | ||
2449 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) | |
2450 | continue; | |
2451 | ||
2452 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2453 | qla2x00_mark_device_lost(ha, fcport, | |
2454 | ql2xplogiabsentdevice); | |
2455 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2456 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2457 | fcport->port_type != FCT_INITIATOR && | |
2458 | fcport->port_type != FCT_BROADCAST) { | |
2459 | ||
2460 | qla2x00_fabric_logout(ha, | |
2461 | fcport->loop_id); | |
2462 | fcport->loop_id = FC_NO_LOOP_ID; | |
2463 | } | |
2464 | } | |
2465 | } | |
2466 | ||
2467 | /* Starting free loop ID. */ | |
2468 | next_loopid = ha->min_external_loopid; | |
2469 | ||
2470 | /* | |
2471 | * Scan through our port list and login entries that need to be | |
2472 | * logged in. | |
2473 | */ | |
2474 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2475 | if (atomic_read(&ha->loop_down_timer) || | |
2476 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2477 | break; | |
2478 | ||
2479 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2480 | (fcport->flags & FCF_LOGIN_NEEDED) == 0) | |
2481 | continue; | |
2482 | ||
2483 | if (fcport->loop_id == FC_NO_LOOP_ID) { | |
2484 | fcport->loop_id = next_loopid; | |
2485 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2486 | if (rval != QLA_SUCCESS) { | |
2487 | /* Ran out of IDs to use */ | |
2488 | break; | |
2489 | } | |
2490 | } | |
2491 | ||
2492 | /* Login and update database */ | |
2493 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2494 | } | |
2495 | ||
2496 | /* Exit if out of loop IDs. */ | |
2497 | if (rval != QLA_SUCCESS) { | |
2498 | break; | |
2499 | } | |
2500 | ||
2501 | /* | |
2502 | * Login and add the new devices to our port list. | |
2503 | */ | |
2504 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2505 | if (atomic_read(&ha->loop_down_timer) || | |
2506 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2507 | break; | |
2508 | ||
2509 | /* Find a new loop ID to use. */ | |
2510 | fcport->loop_id = next_loopid; | |
2511 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2512 | if (rval != QLA_SUCCESS) { | |
2513 | /* Ran out of IDs to use */ | |
2514 | break; | |
2515 | } | |
2516 | ||
2517 | /* Login and update database */ | |
2518 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2519 | ||
2520 | /* Remove device from the new list and add it to DB */ | |
2521 | list_del(&fcport->list); | |
2522 | list_add_tail(&fcport->list, &ha->fcports); | |
2523 | } | |
2524 | } while (0); | |
2525 | ||
2526 | /* Free all new device structures not processed. */ | |
2527 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2528 | list_del(&fcport->list); | |
2529 | kfree(fcport); | |
2530 | } | |
2531 | ||
2532 | if (rval) { | |
2533 | DEBUG2(printk("scsi(%ld): Configure fabric error exit: " | |
2534 | "rval=%d\n", ha->host_no, rval)); | |
2535 | } | |
2536 | ||
2537 | return (rval); | |
2538 | } | |
2539 | ||
2540 | ||
2541 | /* | |
2542 | * qla2x00_find_all_fabric_devs | |
2543 | * | |
2544 | * Input: | |
2545 | * ha = adapter block pointer. | |
2546 | * dev = database device entry pointer. | |
2547 | * | |
2548 | * Returns: | |
2549 | * 0 = success. | |
2550 | * | |
2551 | * Context: | |
2552 | * Kernel context. | |
2553 | */ | |
2554 | static int | |
2555 | qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) | |
2556 | { | |
2557 | int rval; | |
2558 | uint16_t loop_id; | |
2559 | fc_port_t *fcport, *new_fcport, *fcptemp; | |
2560 | int found; | |
2561 | ||
2562 | sw_info_t *swl; | |
2563 | int swl_idx; | |
2564 | int first_dev, last_dev; | |
2565 | port_id_t wrap, nxt_d_id; | |
2566 | ||
2567 | rval = QLA_SUCCESS; | |
2568 | ||
2569 | /* Try GID_PT to get device list, else GAN. */ | |
2570 | swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); | |
2571 | if (swl == NULL) { | |
2572 | /*EMPTY*/ | |
2573 | DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " | |
2574 | "on GA_NXT\n", ha->host_no)); | |
2575 | } else { | |
2576 | memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); | |
2577 | if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { | |
2578 | kfree(swl); | |
2579 | swl = NULL; | |
2580 | } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { | |
2581 | kfree(swl); | |
2582 | swl = NULL; | |
2583 | } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { | |
2584 | kfree(swl); | |
2585 | swl = NULL; | |
2586 | } | |
2587 | } | |
2588 | swl_idx = 0; | |
2589 | ||
2590 | /* Allocate temporary fcport for any new fcports discovered. */ | |
2591 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2592 | if (new_fcport == NULL) { | |
2593 | if (swl) | |
2594 | kfree(swl); | |
2595 | return (QLA_MEMORY_ALLOC_FAILED); | |
2596 | } | |
2597 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2598 | ||
2599 | /* Set start port ID scan at adapter ID. */ | |
2600 | first_dev = 1; | |
2601 | last_dev = 0; | |
2602 | ||
2603 | /* Starting free loop ID. */ | |
2604 | loop_id = ha->min_external_loopid; | |
2605 | ||
2606 | for (; loop_id <= ha->last_loop_id; loop_id++) { | |
2607 | if (RESERVED_LOOP_ID(loop_id)) | |
2608 | continue; | |
2609 | ||
2610 | if (atomic_read(&ha->loop_down_timer) || | |
2611 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2612 | break; | |
2613 | ||
2614 | if (swl != NULL) { | |
2615 | if (last_dev) { | |
2616 | wrap.b24 = new_fcport->d_id.b24; | |
2617 | } else { | |
2618 | new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; | |
2619 | memcpy(new_fcport->node_name, | |
2620 | swl[swl_idx].node_name, WWN_SIZE); | |
2621 | memcpy(new_fcport->port_name, | |
2622 | swl[swl_idx].port_name, WWN_SIZE); | |
2623 | ||
2624 | if (swl[swl_idx].d_id.b.rsvd_1 != 0) { | |
2625 | last_dev = 1; | |
2626 | } | |
2627 | swl_idx++; | |
2628 | } | |
2629 | } else { | |
2630 | /* Send GA_NXT to the switch */ | |
2631 | rval = qla2x00_ga_nxt(ha, new_fcport); | |
2632 | if (rval != QLA_SUCCESS) { | |
2633 | qla_printk(KERN_WARNING, ha, | |
2634 | "SNS scan failed -- assuming zero-entry " | |
2635 | "result...\n"); | |
2636 | list_for_each_entry_safe(fcport, fcptemp, | |
2637 | new_fcports, list) { | |
2638 | list_del(&fcport->list); | |
2639 | kfree(fcport); | |
2640 | } | |
2641 | rval = QLA_SUCCESS; | |
2642 | break; | |
2643 | } | |
2644 | } | |
2645 | ||
2646 | /* If wrap on switch device list, exit. */ | |
2647 | if (first_dev) { | |
2648 | wrap.b24 = new_fcport->d_id.b24; | |
2649 | first_dev = 0; | |
2650 | } else if (new_fcport->d_id.b24 == wrap.b24) { | |
2651 | DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", | |
2652 | ha->host_no, new_fcport->d_id.b.domain, | |
2653 | new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); | |
2654 | break; | |
2655 | } | |
2656 | ||
2657 | /* Bypass if host adapter. */ | |
2658 | if (new_fcport->d_id.b24 == ha->d_id.b24) | |
2659 | continue; | |
2660 | ||
2661 | /* Bypass reserved domain fields. */ | |
2662 | if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) | |
2663 | continue; | |
2664 | ||
2665 | /* Locate matching device in database. */ | |
2666 | found = 0; | |
2667 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2668 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
2669 | WWN_SIZE)) | |
2670 | continue; | |
2671 | ||
2672 | found++; | |
2673 | ||
2674 | /* | |
2675 | * If address the same and state FCS_ONLINE, nothing | |
2676 | * changed. | |
2677 | */ | |
2678 | if (fcport->d_id.b24 == new_fcport->d_id.b24 && | |
2679 | atomic_read(&fcport->state) == FCS_ONLINE) { | |
2680 | break; | |
2681 | } | |
2682 | ||
2683 | /* | |
2684 | * If device was not a fabric device before. | |
2685 | */ | |
2686 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
2687 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2688 | fcport->loop_id = FC_NO_LOOP_ID; | |
2689 | fcport->flags |= (FCF_FABRIC_DEVICE | | |
2690 | FCF_LOGIN_NEEDED); | |
2691 | fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
2692 | break; | |
2693 | } | |
2694 | ||
2695 | /* | |
2696 | * Port ID changed or device was marked to be updated; | |
2697 | * Log it out if still logged in and mark it for | |
2698 | * relogin later. | |
2699 | */ | |
2700 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2701 | fcport->flags |= FCF_LOGIN_NEEDED; | |
2702 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2703 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2704 | fcport->port_type != FCT_INITIATOR && | |
2705 | fcport->port_type != FCT_BROADCAST) { | |
2706 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2707 | fcport->loop_id = FC_NO_LOOP_ID; | |
2708 | } | |
2709 | ||
2710 | break; | |
2711 | } | |
2712 | ||
2713 | if (found) | |
2714 | continue; | |
2715 | ||
2716 | /* If device was not in our fcports list, then add it. */ | |
2717 | list_add_tail(&new_fcport->list, new_fcports); | |
2718 | ||
2719 | /* Allocate a new replacement fcport. */ | |
2720 | nxt_d_id.b24 = new_fcport->d_id.b24; | |
2721 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2722 | if (new_fcport == NULL) { | |
2723 | if (swl) | |
2724 | kfree(swl); | |
2725 | return (QLA_MEMORY_ALLOC_FAILED); | |
2726 | } | |
2727 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2728 | new_fcport->d_id.b24 = nxt_d_id.b24; | |
2729 | } | |
2730 | ||
2731 | if (swl) | |
2732 | kfree(swl); | |
2733 | ||
2734 | if (new_fcport) | |
2735 | kfree(new_fcport); | |
2736 | ||
2737 | if (!list_empty(new_fcports)) | |
2738 | ha->device_flags |= DFLG_FABRIC_DEVICES; | |
2739 | ||
2740 | return (rval); | |
2741 | } | |
2742 | ||
2743 | /* | |
2744 | * qla2x00_find_new_loop_id | |
2745 | * Scan through our port list and find a new usable loop ID. | |
2746 | * | |
2747 | * Input: | |
2748 | * ha: adapter state pointer. | |
2749 | * dev: port structure pointer. | |
2750 | * | |
2751 | * Returns: | |
2752 | * qla2x00 local function return status code. | |
2753 | * | |
2754 | * Context: | |
2755 | * Kernel context. | |
2756 | */ | |
2757 | int | |
2758 | qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) | |
2759 | { | |
2760 | int rval; | |
2761 | int found; | |
2762 | fc_port_t *fcport; | |
2763 | uint16_t first_loop_id; | |
2764 | ||
2765 | rval = QLA_SUCCESS; | |
2766 | ||
2767 | /* Save starting loop ID. */ | |
2768 | first_loop_id = dev->loop_id; | |
2769 | ||
2770 | for (;;) { | |
2771 | /* Skip loop ID if already used by adapter. */ | |
2772 | if (dev->loop_id == ha->loop_id) { | |
2773 | dev->loop_id++; | |
2774 | } | |
2775 | ||
2776 | /* Skip reserved loop IDs. */ | |
2777 | while (RESERVED_LOOP_ID(dev->loop_id)) { | |
2778 | dev->loop_id++; | |
2779 | } | |
2780 | ||
2781 | /* Reset loop ID if passed the end. */ | |
2782 | if (dev->loop_id > ha->last_loop_id) { | |
2783 | /* first loop ID. */ | |
2784 | dev->loop_id = ha->min_external_loopid; | |
2785 | } | |
2786 | ||
2787 | /* Check for loop ID being already in use. */ | |
2788 | found = 0; | |
2789 | fcport = NULL; | |
2790 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2791 | if (fcport->loop_id == dev->loop_id && fcport != dev) { | |
2792 | /* ID possibly in use */ | |
2793 | found++; | |
2794 | break; | |
2795 | } | |
2796 | } | |
2797 | ||
2798 | /* If not in use then it is free to use. */ | |
2799 | if (!found) { | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | /* ID in use. Try next value. */ | |
2804 | dev->loop_id++; | |
2805 | ||
2806 | /* If wrap around. No free ID to use. */ | |
2807 | if (dev->loop_id == first_loop_id) { | |
2808 | dev->loop_id = FC_NO_LOOP_ID; | |
2809 | rval = QLA_FUNCTION_FAILED; | |
2810 | break; | |
2811 | } | |
2812 | } | |
2813 | ||
2814 | return (rval); | |
2815 | } | |
2816 | ||
2817 | /* | |
2818 | * qla2x00_device_resync | |
2819 | * Marks devices in the database that needs resynchronization. | |
2820 | * | |
2821 | * Input: | |
2822 | * ha = adapter block pointer. | |
2823 | * | |
2824 | * Context: | |
2825 | * Kernel context. | |
2826 | */ | |
2827 | static int | |
2828 | qla2x00_device_resync(scsi_qla_host_t *ha) | |
2829 | { | |
2830 | int rval; | |
2831 | int rval2; | |
2832 | uint32_t mask; | |
2833 | fc_port_t *fcport; | |
2834 | uint32_t rscn_entry; | |
2835 | uint8_t rscn_out_iter; | |
2836 | uint8_t format; | |
2837 | port_id_t d_id; | |
2838 | ||
2839 | rval = QLA_RSCNS_HANDLED; | |
2840 | ||
2841 | while (ha->rscn_out_ptr != ha->rscn_in_ptr || | |
2842 | ha->flags.rscn_queue_overflow) { | |
2843 | ||
2844 | rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; | |
2845 | format = MSB(MSW(rscn_entry)); | |
2846 | d_id.b.domain = LSB(MSW(rscn_entry)); | |
2847 | d_id.b.area = MSB(LSW(rscn_entry)); | |
2848 | d_id.b.al_pa = LSB(LSW(rscn_entry)); | |
2849 | ||
2850 | DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " | |
2851 | "[%02x/%02x%02x%02x].\n", | |
2852 | ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, | |
2853 | d_id.b.area, d_id.b.al_pa)); | |
2854 | ||
2855 | ha->rscn_out_ptr++; | |
2856 | if (ha->rscn_out_ptr == MAX_RSCN_COUNT) | |
2857 | ha->rscn_out_ptr = 0; | |
2858 | ||
2859 | /* Skip duplicate entries. */ | |
2860 | for (rscn_out_iter = ha->rscn_out_ptr; | |
2861 | !ha->flags.rscn_queue_overflow && | |
2862 | rscn_out_iter != ha->rscn_in_ptr; | |
2863 | rscn_out_iter = (rscn_out_iter == | |
2864 | (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { | |
2865 | ||
2866 | if (rscn_entry != ha->rscn_queue[rscn_out_iter]) | |
2867 | break; | |
2868 | ||
2869 | DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " | |
2870 | "entry found at [%d].\n", ha->host_no, | |
2871 | rscn_out_iter)); | |
2872 | ||
2873 | ha->rscn_out_ptr = rscn_out_iter; | |
2874 | } | |
2875 | ||
2876 | /* Queue overflow, set switch default case. */ | |
2877 | if (ha->flags.rscn_queue_overflow) { | |
2878 | DEBUG(printk("scsi(%ld): device_resync: rscn " | |
2879 | "overflow.\n", ha->host_no)); | |
2880 | ||
2881 | format = 3; | |
2882 | ha->flags.rscn_queue_overflow = 0; | |
2883 | } | |
2884 | ||
2885 | switch (format) { | |
2886 | case 0: | |
2887 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && | |
2888 | !IS_QLA6312(ha) && !IS_QLA6322(ha) && | |
2889 | ha->flags.init_done) { | |
2890 | /* Handle port RSCN via asyncronous IOCBs */ | |
2891 | rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, | |
2892 | NULL, 0); | |
2893 | if (rval2 == QLA_SUCCESS) | |
2894 | continue; | |
2895 | } | |
2896 | mask = 0xffffff; | |
2897 | break; | |
2898 | case 1: | |
2899 | mask = 0xffff00; | |
2900 | break; | |
2901 | case 2: | |
2902 | mask = 0xff0000; | |
2903 | break; | |
2904 | default: | |
2905 | mask = 0x0; | |
2906 | d_id.b24 = 0; | |
2907 | ha->rscn_out_ptr = ha->rscn_in_ptr; | |
2908 | break; | |
2909 | } | |
2910 | ||
2911 | rval = QLA_SUCCESS; | |
2912 | ||
2913 | /* Abort any outstanding IO descriptors. */ | |
2914 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
2915 | qla2x00_cancel_io_descriptors(ha); | |
2916 | ||
2917 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2918 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2919 | (fcport->d_id.b24 & mask) != d_id.b24 || | |
2920 | fcport->port_type == FCT_BROADCAST) | |
2921 | continue; | |
2922 | ||
2923 | if (atomic_read(&fcport->state) == FCS_ONLINE) { | |
2924 | if (format != 3 || | |
2925 | fcport->port_type != FCT_INITIATOR) { | |
8482e118 | 2926 | qla2x00_mark_device_lost(ha, fcport, 0); |
1da177e4 LT |
2927 | } |
2928 | } | |
2929 | fcport->flags &= ~FCF_FARP_DONE; | |
2930 | } | |
2931 | } | |
2932 | return (rval); | |
2933 | } | |
2934 | ||
2935 | /* | |
2936 | * qla2x00_fabric_dev_login | |
2937 | * Login fabric target device and update FC port database. | |
2938 | * | |
2939 | * Input: | |
2940 | * ha: adapter state pointer. | |
2941 | * fcport: port structure list pointer. | |
2942 | * next_loopid: contains value of a new loop ID that can be used | |
2943 | * by the next login attempt. | |
2944 | * | |
2945 | * Returns: | |
2946 | * qla2x00 local function return status code. | |
2947 | * | |
2948 | * Context: | |
2949 | * Kernel context. | |
2950 | */ | |
2951 | static int | |
2952 | qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2953 | uint16_t *next_loopid) | |
2954 | { | |
2955 | int rval; | |
2956 | int retry; | |
2957 | ||
2958 | rval = QLA_SUCCESS; | |
2959 | retry = 0; | |
2960 | ||
2961 | rval = qla2x00_fabric_login(ha, fcport, next_loopid); | |
2962 | if (rval == QLA_SUCCESS) { | |
2963 | rval = qla2x00_get_port_database(ha, fcport, 0); | |
2964 | if (rval != QLA_SUCCESS) { | |
2965 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
2966 | } else { | |
2967 | qla2x00_update_fcport(ha, fcport); | |
2968 | } | |
2969 | } | |
2970 | ||
2971 | return (rval); | |
2972 | } | |
2973 | ||
2974 | /* | |
2975 | * qla2x00_fabric_login | |
2976 | * Issue fabric login command. | |
2977 | * | |
2978 | * Input: | |
2979 | * ha = adapter block pointer. | |
2980 | * device = pointer to FC device type structure. | |
2981 | * | |
2982 | * Returns: | |
2983 | * 0 - Login successfully | |
2984 | * 1 - Login failed | |
2985 | * 2 - Initiator device | |
2986 | * 3 - Fatal error | |
2987 | */ | |
2988 | int | |
2989 | qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2990 | uint16_t *next_loopid) | |
2991 | { | |
2992 | int rval; | |
2993 | int retry; | |
2994 | uint16_t tmp_loopid; | |
2995 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2996 | ||
2997 | retry = 0; | |
2998 | tmp_loopid = 0; | |
2999 | ||
3000 | for (;;) { | |
3001 | DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " | |
3002 | "for port %02x%02x%02x.\n", | |
3003 | ha->host_no, fcport->loop_id, fcport->d_id.b.domain, | |
3004 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
3005 | ||
3006 | /* Login fcport on switch. */ | |
3007 | qla2x00_login_fabric(ha, fcport->loop_id, | |
3008 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
3009 | fcport->d_id.b.al_pa, mb, BIT_0); | |
3010 | if (mb[0] == MBS_PORT_ID_USED) { | |
3011 | /* | |
3012 | * Device has another loop ID. The firmware team | |
3013 | * recommends us to perform an implicit login with the | |
3014 | * specified ID again. The ID we just used is save here | |
3015 | * so we return with an ID that can be tried by the | |
3016 | * next login. | |
3017 | */ | |
3018 | retry++; | |
3019 | tmp_loopid = fcport->loop_id; | |
3020 | fcport->loop_id = mb[1]; | |
3021 | ||
3022 | DEBUG(printk("Fabric Login: port in use - next " | |
3023 | "loop id=0x%04x, port Id=%02x%02x%02x.\n", | |
3024 | fcport->loop_id, fcport->d_id.b.domain, | |
3025 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
3026 | ||
3027 | } else if (mb[0] == MBS_COMMAND_COMPLETE) { | |
3028 | /* | |
3029 | * Login succeeded. | |
3030 | */ | |
3031 | if (retry) { | |
3032 | /* A retry occurred before. */ | |
3033 | *next_loopid = tmp_loopid; | |
3034 | } else { | |
3035 | /* | |
3036 | * No retry occurred before. Just increment the | |
3037 | * ID value for next login. | |
3038 | */ | |
3039 | *next_loopid = (fcport->loop_id + 1); | |
3040 | } | |
3041 | ||
3042 | if (mb[1] & BIT_0) { | |
3043 | fcport->port_type = FCT_INITIATOR; | |
3044 | } else { | |
3045 | fcport->port_type = FCT_TARGET; | |
3046 | if (mb[1] & BIT_1) { | |
3047 | fcport->flags |= FCF_TAPE_PRESENT; | |
3048 | } | |
3049 | } | |
3050 | ||
3051 | rval = QLA_SUCCESS; | |
3052 | break; | |
3053 | } else if (mb[0] == MBS_LOOP_ID_USED) { | |
3054 | /* | |
3055 | * Loop ID already used, try next loop ID. | |
3056 | */ | |
3057 | fcport->loop_id++; | |
3058 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
3059 | if (rval != QLA_SUCCESS) { | |
3060 | /* Ran out of loop IDs to use */ | |
3061 | break; | |
3062 | } | |
3063 | } else if (mb[0] == MBS_COMMAND_ERROR) { | |
3064 | /* | |
3065 | * Firmware possibly timed out during login. If NO | |
3066 | * retries are left to do then the device is declared | |
3067 | * dead. | |
3068 | */ | |
3069 | *next_loopid = fcport->loop_id; | |
3070 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
3071 | qla2x00_mark_device_lost(ha, fcport, 1); | |
3072 | ||
3073 | rval = 1; | |
3074 | break; | |
3075 | } else { | |
3076 | /* | |
3077 | * unrecoverable / not handled error | |
3078 | */ | |
3079 | DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " | |
3080 | "loop_id=%x jiffies=%lx.\n", | |
3081 | __func__, ha->host_no, mb[0], | |
3082 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
3083 | fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); | |
3084 | ||
3085 | *next_loopid = fcport->loop_id; | |
3086 | qla2x00_fabric_logout(ha, fcport->loop_id); | |
3087 | fcport->loop_id = FC_NO_LOOP_ID; | |
3088 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); | |
3089 | ||
3090 | rval = 3; | |
3091 | break; | |
3092 | } | |
3093 | } | |
3094 | ||
3095 | return (rval); | |
3096 | } | |
3097 | ||
3098 | /* | |
3099 | * qla2x00_local_device_login | |
3100 | * Issue local device login command. | |
3101 | * | |
3102 | * Input: | |
3103 | * ha = adapter block pointer. | |
3104 | * loop_id = loop id of device to login to. | |
3105 | * | |
3106 | * Returns (Where's the #define!!!!): | |
3107 | * 0 - Login successfully | |
3108 | * 1 - Login failed | |
3109 | * 3 - Fatal error | |
3110 | */ | |
3111 | int | |
3112 | qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) | |
3113 | { | |
3114 | int rval; | |
3115 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
3116 | ||
3117 | memset(mb, 0, sizeof(mb)); | |
3118 | rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); | |
3119 | if (rval == QLA_SUCCESS) { | |
3120 | /* Interrogate mailbox registers for any errors */ | |
3121 | if (mb[0] == MBS_COMMAND_ERROR) | |
3122 | rval = 1; | |
3123 | else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) | |
3124 | /* device not in PCB table */ | |
3125 | rval = 3; | |
3126 | } | |
3127 | ||
3128 | return (rval); | |
3129 | } | |
3130 | ||
3131 | /* | |
3132 | * qla2x00_loop_resync | |
3133 | * Resync with fibre channel devices. | |
3134 | * | |
3135 | * Input: | |
3136 | * ha = adapter block pointer. | |
3137 | * | |
3138 | * Returns: | |
3139 | * 0 = success | |
3140 | */ | |
3141 | int | |
3142 | qla2x00_loop_resync(scsi_qla_host_t *ha) | |
3143 | { | |
3144 | int rval; | |
3145 | uint32_t wait_time; | |
3146 | ||
3147 | rval = QLA_SUCCESS; | |
3148 | ||
3149 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
3150 | qla2x00_stats.loop_resync++; | |
3151 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3152 | if (ha->flags.online) { | |
3153 | if (!(rval = qla2x00_fw_ready(ha))) { | |
3154 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
3155 | wait_time = 256; | |
3156 | do { | |
3157 | /* v2.19.05b6 */ | |
3158 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
3159 | ||
3160 | /* | |
3161 | * Issue marker command only when we are going | |
3162 | * to start the I/O . | |
3163 | */ | |
3164 | ha->marker_needed = 1; | |
3165 | ||
3166 | /* Remap devices on Loop. */ | |
3167 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
3168 | ||
3169 | qla2x00_configure_loop(ha); | |
3170 | wait_time--; | |
3171 | } while (!atomic_read(&ha->loop_down_timer) && | |
3172 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
3173 | wait_time && | |
3174 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
3175 | } | |
1da177e4 LT |
3176 | } |
3177 | ||
3178 | if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
3179 | return (QLA_FUNCTION_FAILED); | |
3180 | } | |
3181 | ||
3182 | if (rval) { | |
3183 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
3184 | } | |
3185 | ||
3186 | return (rval); | |
3187 | } | |
3188 | ||
1da177e4 LT |
3189 | void |
3190 | qla2x00_rescan_fcports(scsi_qla_host_t *ha) | |
3191 | { | |
3192 | int rescan_done; | |
3193 | fc_port_t *fcport; | |
3194 | ||
3195 | rescan_done = 0; | |
3196 | list_for_each_entry(fcport, &ha->fcports, list) { | |
3197 | if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) | |
3198 | continue; | |
3199 | ||
3200 | qla2x00_update_fcport(ha, fcport); | |
3201 | fcport->flags &= ~FCF_RESCAN_NEEDED; | |
3202 | ||
3203 | rescan_done = 1; | |
3204 | } | |
3205 | qla2x00_probe_for_all_luns(ha); | |
3206 | ||
3207 | /* Update OS target and lun structures if necessary. */ | |
3208 | if (rescan_done) { | |
3209 | qla2x00_config_os(ha); | |
3210 | } | |
3211 | } | |
3212 | ||
3213 | ||
3214 | /* | |
3215 | * qla2x00_config_os | |
3216 | * Setup OS target and LUN structures. | |
3217 | * | |
3218 | * Input: | |
3219 | * ha = adapter state pointer. | |
3220 | * | |
3221 | * Context: | |
3222 | * Kernel context. | |
3223 | */ | |
3224 | static void | |
3225 | qla2x00_config_os(scsi_qla_host_t *ha) | |
3226 | { | |
3227 | fc_port_t *fcport; | |
3228 | fc_lun_t *fclun; | |
3229 | os_tgt_t *tq; | |
3230 | uint16_t tgt; | |
3231 | ||
3232 | ||
3233 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3234 | if ((tq = TGT_Q(ha, tgt)) == NULL) | |
3235 | continue; | |
3236 | ||
3237 | clear_bit(TQF_ONLINE, &tq->flags); | |
3238 | } | |
3239 | ||
3240 | list_for_each_entry(fcport, &ha->fcports, list) { | |
3241 | if (atomic_read(&fcport->state) != FCS_ONLINE || | |
3242 | fcport->port_type == FCT_INITIATOR || | |
3243 | fcport->port_type == FCT_BROADCAST) { | |
3244 | fcport->os_target_id = MAX_TARGETS; | |
3245 | continue; | |
3246 | } | |
3247 | ||
3248 | if (fcport->flags & FCF_FO_MASKED) { | |
3249 | continue; | |
3250 | } | |
3251 | ||
3252 | /* Bind FC port to OS target number. */ | |
3253 | if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) { | |
3254 | continue; | |
3255 | } | |
3256 | ||
3257 | /* Bind FC LUN to OS LUN number. */ | |
3258 | list_for_each_entry(fclun, &fcport->fcluns, list) { | |
3259 | qla2x00_fclun_bind(ha, fcport, fclun); | |
3260 | } | |
3261 | } | |
3262 | } | |
3263 | ||
3264 | /* | |
3265 | * qla2x00_fcport_bind | |
3266 | * Locates a target number for FC port. | |
3267 | * | |
3268 | * Input: | |
3269 | * ha = adapter state pointer. | |
3270 | * fcport = FC port structure pointer. | |
3271 | * | |
3272 | * Returns: | |
3273 | * target number | |
3274 | * | |
3275 | * Context: | |
3276 | * Kernel context. | |
3277 | */ | |
3278 | static uint16_t | |
3279 | qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport) | |
3280 | { | |
3281 | int found; | |
3282 | uint16_t tgt; | |
3283 | os_tgt_t *tq; | |
3284 | ||
3285 | /* Check for persistent binding. */ | |
3286 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3287 | if ((tq = TGT_Q(ha, tgt)) == NULL) | |
3288 | continue; | |
3289 | ||
3290 | found = 0; | |
3291 | switch (ha->binding_type) { | |
3292 | case BIND_BY_PORT_ID: | |
3293 | if (fcport->d_id.b24 == tq->d_id.b24) { | |
3294 | memcpy(tq->node_name, fcport->node_name, | |
3295 | WWN_SIZE); | |
3296 | memcpy(tq->port_name, fcport->port_name, | |
3297 | WWN_SIZE); | |
3298 | found++; | |
3299 | } | |
3300 | break; | |
3301 | case BIND_BY_PORT_NAME: | |
3302 | if (memcmp(fcport->port_name, tq->port_name, | |
3303 | WWN_SIZE) == 0) { | |
3304 | /* | |
3305 | * In case of persistent binding, update the | |
3306 | * WWNN. | |
3307 | */ | |
3308 | memcpy(tq->node_name, fcport->node_name, | |
3309 | WWN_SIZE); | |
3310 | found++; | |
3311 | } | |
3312 | break; | |
3313 | } | |
3314 | if (found) | |
3315 | break; | |
3316 | } | |
3317 | ||
3318 | /* TODO: honor the ConfigRequired flag */ | |
3319 | if (tgt == MAX_TARGETS) { | |
3320 | /* Check if targetID 0 available. */ | |
3321 | tgt = 0; | |
3322 | ||
3323 | if (TGT_Q(ha, tgt) != NULL) { | |
3324 | /* Locate first free target for device. */ | |
3325 | for (tgt = 0; tgt < MAX_TARGETS; tgt++) { | |
3326 | if (TGT_Q(ha, tgt) == NULL) { | |
3327 | break; | |
3328 | } | |
3329 | } | |
3330 | } | |
3331 | if (tgt != MAX_TARGETS) { | |
3332 | if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) { | |
3333 | memcpy(tq->node_name, fcport->node_name, | |
3334 | WWN_SIZE); | |
3335 | memcpy(tq->port_name, fcport->port_name, | |
3336 | WWN_SIZE); | |
3337 | tq->d_id.b24 = fcport->d_id.b24; | |
3338 | } | |
3339 | } | |
3340 | } | |
3341 | ||
3342 | /* Reset target numbers incase it changed. */ | |
3343 | fcport->os_target_id = tgt; | |
3344 | if (tgt != MAX_TARGETS && tq != NULL) { | |
3345 | DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to " | |
3346 | "loop id=0x%04x, port state=0x%x, port down retry=%d\n", | |
3347 | ha->host_no, tgt, tq, fcport->loop_id, | |
3348 | atomic_read(&fcport->state), | |
3349 | atomic_read(&fcport->port_down_timer))); | |
3350 | ||
3351 | fcport->tgt_queue = tq; | |
3352 | fcport->flags |= FCF_PERSISTENT_BOUND; | |
3353 | tq->fcport = fcport; | |
3354 | set_bit(TQF_ONLINE, &tq->flags); | |
3355 | tq->port_down_retry_count = ha->port_down_retry_count; | |
3356 | } | |
3357 | ||
3358 | if (tgt == MAX_TARGETS) { | |
3359 | qla_printk(KERN_WARNING, ha, | |
3360 | "Unable to bind fcport, loop_id=%x\n", fcport->loop_id); | |
3361 | } | |
3362 | ||
3363 | return (tgt); | |
3364 | } | |
3365 | ||
3366 | /* | |
3367 | * qla2x00_fclun_bind | |
3368 | * Binds all FC device LUNS to OS LUNS. | |
3369 | * | |
3370 | * Input: | |
3371 | * ha: adapter state pointer. | |
3372 | * fcport: FC port structure pointer. | |
3373 | * | |
3374 | * Returns: | |
3375 | * target number | |
3376 | * | |
3377 | * Context: | |
3378 | * Kernel context. | |
3379 | */ | |
3380 | static os_lun_t * | |
3381 | qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun) | |
3382 | { | |
3383 | os_lun_t *lq; | |
3384 | uint16_t tgt; | |
3385 | uint16_t lun; | |
3386 | ||
3387 | tgt = fcport->os_target_id; | |
3388 | lun = fclun->lun; | |
3389 | ||
3390 | /* Allocate LUNs */ | |
3391 | if (lun >= MAX_LUNS) { | |
3392 | DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid " | |
3393 | "lun=(%x).\n", ha->host_no, lun)); | |
3394 | return (NULL); | |
3395 | } | |
3396 | ||
3397 | /* Always alloc LUN 0 so kernel will scan past LUN 0. */ | |
3398 | if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) { | |
3399 | return (NULL); | |
3400 | } | |
3401 | ||
3402 | if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) { | |
3403 | qla_printk(KERN_WARNING, ha, | |
3404 | "Unable to bind fclun, loop_id=%x lun=%x\n", | |
3405 | fcport->loop_id, lun); | |
3406 | return (NULL); | |
3407 | } | |
3408 | ||
3409 | lq->fclun = fclun; | |
3410 | ||
3411 | return (lq); | |
3412 | } | |
3413 | ||
3414 | /* | |
3415 | * qla2x00_tgt_alloc | |
3416 | * Allocate and pre-initialize target queue. | |
3417 | * | |
3418 | * Input: | |
3419 | * ha = adapter block pointer. | |
3420 | * t = SCSI target number. | |
3421 | * | |
3422 | * Returns: | |
3423 | * NULL = failure | |
3424 | * | |
3425 | * Context: | |
3426 | * Kernel context. | |
3427 | */ | |
3428 | static os_tgt_t * | |
3429 | qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt) | |
3430 | { | |
3431 | os_tgt_t *tq; | |
3432 | ||
3433 | /* | |
3434 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3435 | */ | |
3436 | if (tgt >= MAX_TARGETS) { | |
3437 | DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid " | |
3438 | "target number %d.\n", ha->host_no, tgt)); | |
3439 | return (NULL); | |
3440 | } | |
3441 | ||
3442 | tq = TGT_Q(ha, tgt); | |
3443 | if (tq == NULL) { | |
3444 | tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC); | |
3445 | if (tq != NULL) { | |
3446 | DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n", | |
3447 | ha->host_no, tgt, tq)); | |
3448 | ||
3449 | memset(tq, 0, sizeof(os_tgt_t)); | |
3450 | tq->ha = ha; | |
3451 | ||
3452 | TGT_Q(ha, tgt) = tq; | |
3453 | } | |
3454 | } | |
3455 | if (tq != NULL) { | |
3456 | tq->port_down_retry_count = ha->port_down_retry_count; | |
3457 | } else { | |
3458 | qla_printk(KERN_WARNING, ha, | |
3459 | "Unable to allocate target.\n"); | |
3460 | ha->mem_err++; | |
3461 | } | |
3462 | ||
3463 | return (tq); | |
3464 | } | |
3465 | ||
3466 | /* | |
3467 | * qla2x00_tgt_free | |
3468 | * Frees target and LUN queues. | |
3469 | * | |
3470 | * Input: | |
3471 | * ha = adapter block pointer. | |
3472 | * t = SCSI target number. | |
3473 | * | |
3474 | * Context: | |
3475 | * Kernel context. | |
3476 | */ | |
3477 | void | |
3478 | qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt) | |
3479 | { | |
3480 | os_tgt_t *tq; | |
3481 | uint16_t lun; | |
3482 | ||
3483 | /* | |
3484 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3485 | */ | |
3486 | if (tgt >= MAX_TARGETS) { | |
3487 | DEBUG2(printk("scsi(%ld): Unable to de-allocate target, " | |
3488 | "invalid target number %d.\n", ha->host_no, tgt)); | |
3489 | ||
3490 | return; | |
3491 | } | |
3492 | ||
3493 | tq = TGT_Q(ha, tgt); | |
3494 | if (tq != NULL) { | |
3495 | TGT_Q(ha, tgt) = NULL; | |
3496 | ||
3497 | /* Free LUN structures. */ | |
3498 | for (lun = 0; lun < MAX_LUNS; lun++) | |
3499 | qla2x00_lun_free(ha, tgt, lun); | |
3500 | ||
3501 | kfree(tq); | |
3502 | } | |
3503 | ||
3504 | return; | |
3505 | } | |
3506 | ||
3507 | /* | |
3508 | * qla2x00_lun_alloc | |
3509 | * Allocate and initialize LUN queue. | |
3510 | * | |
3511 | * Input: | |
3512 | * ha = adapter block pointer. | |
3513 | * t = SCSI target number. | |
3514 | * l = LUN number. | |
3515 | * | |
3516 | * Returns: | |
3517 | * NULL = failure | |
3518 | * | |
3519 | * Context: | |
3520 | * Kernel context. | |
3521 | */ | |
3522 | static os_lun_t * | |
3523 | qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) | |
3524 | { | |
3525 | os_lun_t *lq; | |
3526 | ||
3527 | /* | |
3528 | * If SCSI addressing OK, allocate LUN queue. | |
3529 | */ | |
3530 | if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) { | |
3531 | DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid " | |
3532 | "parameter.\n", ha->host_no)); | |
3533 | ||
3534 | return (NULL); | |
3535 | } | |
3536 | ||
3537 | lq = LUN_Q(ha, tgt, lun); | |
3538 | if (lq == NULL) { | |
3539 | lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC); | |
3540 | if (lq != NULL) { | |
3541 | DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n", | |
3542 | ha->host_no, lun, tgt)); | |
3543 | ||
3544 | memset(lq, 0, sizeof(os_lun_t)); | |
3545 | LUN_Q(ha, tgt, lun) = lq; | |
3546 | ||
3547 | /* | |
3548 | * The following lun queue initialization code | |
3549 | * must be duplicated in alloc_ioctl_mem function | |
3550 | * for ioctl_lq. | |
3551 | */ | |
3552 | lq->q_state = LUN_STATE_READY; | |
3553 | spin_lock_init(&lq->q_lock); | |
3554 | } | |
3555 | } | |
3556 | ||
3557 | if (lq == NULL) { | |
3558 | qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n"); | |
3559 | } | |
3560 | ||
3561 | return (lq); | |
3562 | } | |
3563 | ||
3564 | /* | |
3565 | * qla2x00_lun_free | |
3566 | * Frees LUN queue. | |
3567 | * | |
3568 | * Input: | |
3569 | * ha = adapter block pointer. | |
3570 | * t = SCSI target number. | |
3571 | * | |
3572 | * Context: | |
3573 | * Kernel context. | |
3574 | */ | |
3575 | static void | |
3576 | qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun) | |
3577 | { | |
3578 | os_lun_t *lq; | |
3579 | ||
3580 | /* | |
3581 | * If SCSI addressing OK, allocate TGT queue and lock. | |
3582 | */ | |
3583 | if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) { | |
3584 | DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid " | |
3585 | "parameter.\n", ha->host_no)); | |
3586 | ||
3587 | return; | |
3588 | } | |
3589 | ||
3590 | if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) { | |
3591 | LUN_Q(ha, tgt, lun) = NULL; | |
3592 | kfree(lq); | |
3593 | } | |
3594 | ||
3595 | return; | |
3596 | } | |
3597 | ||
3598 | /* | |
3599 | * qla2x00_abort_isp | |
3600 | * Resets ISP and aborts all outstanding commands. | |
3601 | * | |
3602 | * Input: | |
3603 | * ha = adapter block pointer. | |
3604 | * | |
3605 | * Returns: | |
3606 | * 0 = success | |
3607 | */ | |
3608 | int | |
3609 | qla2x00_abort_isp(scsi_qla_host_t *ha) | |
3610 | { | |
3611 | unsigned long flags = 0; | |
3612 | uint16_t cnt; | |
3613 | srb_t *sp; | |
3614 | uint8_t status = 0; | |
3615 | ||
3616 | if (ha->flags.online) { | |
3617 | ha->flags.online = 0; | |
3618 | clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
3619 | qla2x00_stats.ispAbort++; | |
3620 | ha->total_isp_aborts++; /* used by ioctl */ | |
3621 | ha->sns_retry_cnt = 0; | |
3622 | ||
3623 | qla_printk(KERN_INFO, ha, | |
3624 | "Performing ISP error recovery - ha= %p.\n", ha); | |
3625 | qla2x00_reset_chip(ha); | |
3626 | ||
3627 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
3628 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
3629 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
3630 | qla2x00_mark_all_devices_lost(ha); | |
3631 | } else { | |
3632 | if (!atomic_read(&ha->loop_down_timer)) | |
3633 | atomic_set(&ha->loop_down_timer, | |
3634 | LOOP_DOWN_TIME); | |
3635 | } | |
3636 | ||
3637 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3638 | /* Requeue all commands in outstanding command list. */ | |
3639 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
3640 | sp = ha->outstanding_cmds[cnt]; | |
3641 | if (sp) { | |
3642 | ha->outstanding_cmds[cnt] = NULL; | |
3643 | if (ha->actthreads) | |
3644 | ha->actthreads--; | |
3645 | sp->lun_queue->out_cnt--; | |
3646 | ||
1da177e4 | 3647 | sp->flags = 0; |
f4f051eb | 3648 | sp->cmd->result = DID_RESET << 16; |
1da177e4 | 3649 | sp->cmd->host_scribble = (unsigned char *)NULL; |
f4f051eb | 3650 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
3651 | } |
3652 | } | |
3653 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3654 | ||
3655 | qla2x00_nvram_config(ha); | |
3656 | ||
3657 | if (!qla2x00_restart_isp(ha)) { | |
3658 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
3659 | ||
3660 | if (!atomic_read(&ha->loop_down_timer)) { | |
3661 | /* | |
3662 | * Issue marker command only when we are going | |
3663 | * to start the I/O . | |
3664 | */ | |
3665 | ha->marker_needed = 1; | |
3666 | } | |
3667 | ||
3668 | ha->flags.online = 1; | |
3669 | ||
3670 | /* Enable ISP interrupts. */ | |
3671 | qla2x00_enable_intrs(ha); | |
3672 | ||
1da177e4 LT |
3673 | ha->isp_abort_cnt = 0; |
3674 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3675 | } else { /* failed the ISP abort */ | |
3676 | ha->flags.online = 1; | |
3677 | if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { | |
3678 | if (ha->isp_abort_cnt == 0) { | |
3679 | qla_printk(KERN_WARNING, ha, | |
3680 | "ISP error recovery failed - " | |
3681 | "board disabled\n"); | |
3682 | /* | |
3683 | * The next call disables the board | |
3684 | * completely. | |
3685 | */ | |
3686 | qla2x00_reset_adapter(ha); | |
1da177e4 LT |
3687 | ha->flags.online = 0; |
3688 | clear_bit(ISP_ABORT_RETRY, | |
3689 | &ha->dpc_flags); | |
3690 | status = 0; | |
3691 | } else { /* schedule another ISP abort */ | |
3692 | ha->isp_abort_cnt--; | |
3693 | DEBUG(printk("qla%ld: ISP abort - " | |
3694 | "retry remainning %d\n", | |
3695 | ha->host_no, ha->isp_abort_cnt);) | |
3696 | status = 1; | |
3697 | } | |
3698 | } else { | |
3699 | ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; | |
3700 | DEBUG(printk("qla2x00(%ld): ISP error recovery " | |
3701 | "- retrying (%d) more times\n", | |
3702 | ha->host_no, ha->isp_abort_cnt);) | |
3703 | set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
3704 | status = 1; | |
3705 | } | |
3706 | } | |
3707 | ||
3708 | } | |
3709 | ||
3710 | if (status) { | |
3711 | qla_printk(KERN_INFO, ha, | |
3712 | "qla2x00_abort_isp: **** FAILED ****\n"); | |
3713 | } else { | |
3714 | DEBUG(printk(KERN_INFO | |
3715 | "qla2x00_abort_isp(%ld): exiting.\n", | |
3716 | ha->host_no);) | |
3717 | } | |
3718 | ||
3719 | return(status); | |
3720 | } | |
3721 | ||
3722 | /* | |
3723 | * qla2x00_restart_isp | |
3724 | * restarts the ISP after a reset | |
3725 | * | |
3726 | * Input: | |
3727 | * ha = adapter block pointer. | |
3728 | * | |
3729 | * Returns: | |
3730 | * 0 = success | |
3731 | */ | |
3732 | static int | |
3733 | qla2x00_restart_isp(scsi_qla_host_t *ha) | |
3734 | { | |
3735 | uint8_t status = 0; | |
3736 | device_reg_t __iomem *reg = ha->iobase; | |
3737 | unsigned long flags = 0; | |
3738 | uint32_t wait_time; | |
3739 | ||
3740 | /* If firmware needs to be loaded */ | |
3741 | if (qla2x00_isp_firmware(ha)) { | |
3742 | ha->flags.online = 0; | |
3743 | if (!(status = qla2x00_chip_diag(ha))) { | |
3744 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
3745 | status = qla2x00_setup_chip(ha); | |
3746 | goto done; | |
3747 | } | |
3748 | ||
3749 | reg = ha->iobase; | |
3750 | ||
3751 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3752 | ||
3753 | /* Disable SRAM, Instruction RAM and GP RAM parity. */ | |
3754 | WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); | |
3755 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3756 | ||
3757 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3758 | ||
3759 | status = qla2x00_setup_chip(ha); | |
3760 | ||
3761 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3762 | ||
3763 | /* Enable proper parity */ | |
3764 | if (IS_QLA2300(ha)) | |
3765 | /* SRAM parity */ | |
3766 | WRT_REG_WORD(®->hccr, | |
3767 | (HCCR_ENABLE_PARITY + 0x1)); | |
3768 | else | |
3769 | /* SRAM, Instruction RAM and GP RAM parity */ | |
3770 | WRT_REG_WORD(®->hccr, | |
3771 | (HCCR_ENABLE_PARITY + 0x7)); | |
3772 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3773 | ||
3774 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3775 | } | |
3776 | } | |
3777 | ||
3778 | done: | |
3779 | if (!status && !(status = qla2x00_init_rings(ha))) { | |
3780 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
3781 | if (!(status = qla2x00_fw_ready(ha))) { | |
3782 | DEBUG(printk("%s(): Start configure loop, " | |
3783 | "status = %d\n", | |
3784 | __func__, | |
3785 | status);) | |
3786 | ha->flags.online = 1; | |
3787 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
3788 | wait_time = 256; | |
3789 | do { | |
3790 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
3791 | qla2x00_configure_loop(ha); | |
3792 | wait_time--; | |
3793 | } while (!atomic_read(&ha->loop_down_timer) && | |
3794 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
3795 | wait_time && | |
3796 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
3797 | } | |
3798 | ||
3799 | /* if no cable then assume it's good */ | |
3800 | if ((ha->device_flags & DFLG_NO_CABLE)) | |
3801 | status = 0; | |
3802 | ||
3803 | DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", | |
3804 | __func__, | |
3805 | status);) | |
3806 | } | |
3807 | return (status); | |
3808 | } | |
3809 | ||
3810 | /* | |
3811 | * qla2x00_reset_adapter | |
3812 | * Reset adapter. | |
3813 | * | |
3814 | * Input: | |
3815 | * ha = adapter block pointer. | |
3816 | */ | |
3817 | static void | |
3818 | qla2x00_reset_adapter(scsi_qla_host_t *ha) | |
3819 | { | |
3820 | unsigned long flags = 0; | |
3821 | device_reg_t __iomem *reg = ha->iobase; | |
3822 | ||
3823 | ha->flags.online = 0; | |
3824 | qla2x00_disable_intrs(ha); | |
3825 | ||
3826 | /* Reset RISC processor. */ | |
3827 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3828 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
3829 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3830 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
3831 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
3832 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
3833 | } |