]>
Commit | Line | Data |
---|---|---|
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 | */ | |
1da177e4 | 37 | static int qla2x00_isp_firmware(scsi_qla_host_t *); |
1da177e4 LT |
38 | static void qla2x00_resize_request_q(scsi_qla_host_t *); |
39 | static int qla2x00_setup_chip(scsi_qla_host_t *); | |
40 | static void qla2x00_init_response_q_entries(scsi_qla_host_t *); | |
41 | static int qla2x00_init_rings(scsi_qla_host_t *); | |
42 | static int qla2x00_fw_ready(scsi_qla_host_t *); | |
43 | static int qla2x00_configure_hba(scsi_qla_host_t *); | |
1da177e4 LT |
44 | static int qla2x00_configure_loop(scsi_qla_host_t *); |
45 | static int qla2x00_configure_local_loop(scsi_qla_host_t *); | |
46 | static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); | |
1da177e4 LT |
47 | static int qla2x00_configure_fabric(scsi_qla_host_t *); |
48 | static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); | |
49 | static int qla2x00_device_resync(scsi_qla_host_t *); | |
50 | static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, | |
51 | uint16_t *); | |
1da177e4 LT |
52 | |
53 | static int qla2x00_restart_isp(scsi_qla_host_t *); | |
1da177e4 LT |
54 | |
55 | /****************************************************************************/ | |
56 | /* QLogic ISP2x00 Hardware Support Functions. */ | |
57 | /****************************************************************************/ | |
58 | ||
59 | /* | |
60 | * qla2x00_initialize_adapter | |
61 | * Initialize board. | |
62 | * | |
63 | * Input: | |
64 | * ha = adapter block pointer. | |
65 | * | |
66 | * Returns: | |
67 | * 0 = success | |
68 | */ | |
69 | int | |
70 | qla2x00_initialize_adapter(scsi_qla_host_t *ha) | |
71 | { | |
72 | int rval; | |
73 | uint8_t restart_risc = 0; | |
74 | uint8_t retry; | |
75 | uint32_t wait_time; | |
76 | ||
77 | /* Clear adapter flags. */ | |
78 | ha->flags.online = 0; | |
79 | ha->flags.reset_active = 0; | |
80 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
81 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
82 | ha->device_flags = 0; | |
1da177e4 | 83 | ha->dpc_flags = 0; |
1da177e4 LT |
84 | ha->flags.management_server_logged_in = 0; |
85 | ha->marker_needed = 0; | |
86 | ha->mbx_flags = 0; | |
87 | ha->isp_abort_cnt = 0; | |
88 | ha->beacon_blink_led = 0; | |
89 | ||
abbd8870 | 90 | rval = ha->isp_ops.pci_config(ha); |
1da177e4 LT |
91 | if (rval) { |
92 | DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", | |
93 | ha->host_no)); | |
94 | return (rval); | |
95 | } | |
96 | ||
abbd8870 | 97 | ha->isp_ops.reset_chip(ha); |
1da177e4 | 98 | |
1da177e4 | 99 | qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); |
abbd8870 | 100 | ha->isp_ops.nvram_config(ha); |
1da177e4 LT |
101 | |
102 | qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); | |
103 | ||
104 | retry = 10; | |
105 | /* | |
106 | * Try to configure the loop. | |
107 | */ | |
108 | do { | |
109 | restart_risc = 0; | |
110 | ||
111 | /* If firmware needs to be loaded */ | |
112 | if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { | |
abbd8870 | 113 | if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { |
1da177e4 LT |
114 | rval = qla2x00_setup_chip(ha); |
115 | } | |
116 | } | |
117 | ||
118 | if (rval == QLA_SUCCESS && | |
119 | (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { | |
120 | check_fw_ready_again: | |
121 | /* | |
122 | * Wait for a successful LIP up to a maximum | |
123 | * of (in seconds): RISC login timeout value, | |
124 | * RISC retry count value, and port down retry | |
125 | * value OR a minimum of 4 seconds OR If no | |
126 | * cable, only 5 seconds. | |
127 | */ | |
128 | rval = qla2x00_fw_ready(ha); | |
129 | if (rval == QLA_SUCCESS) { | |
130 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
131 | ||
132 | /* | |
133 | * Wait at most MAX_TARGET RSCNs for a stable | |
134 | * link. | |
135 | */ | |
136 | wait_time = 256; | |
137 | do { | |
138 | clear_bit(LOOP_RESYNC_NEEDED, | |
139 | &ha->dpc_flags); | |
140 | rval = qla2x00_configure_loop(ha); | |
141 | ||
142 | if (test_and_clear_bit(ISP_ABORT_NEEDED, | |
143 | &ha->dpc_flags)) { | |
144 | restart_risc = 1; | |
145 | break; | |
146 | } | |
147 | ||
148 | /* | |
149 | * If loop state change while we were | |
150 | * discoverying devices then wait for | |
151 | * LIP to complete | |
152 | */ | |
153 | ||
154 | if (atomic_read(&ha->loop_state) == | |
155 | LOOP_DOWN && retry--) { | |
156 | goto check_fw_ready_again; | |
157 | } | |
158 | wait_time--; | |
159 | } while (!atomic_read(&ha->loop_down_timer) && | |
160 | retry && | |
161 | wait_time && | |
162 | (test_bit(LOOP_RESYNC_NEEDED, | |
163 | &ha->dpc_flags))); | |
164 | ||
165 | if (wait_time == 0) | |
166 | rval = QLA_FUNCTION_FAILED; | |
1da177e4 LT |
167 | } else if (ha->device_flags & DFLG_NO_CABLE) |
168 | /* If no cable, then all is good. */ | |
169 | rval = QLA_SUCCESS; | |
170 | } | |
171 | } while (restart_risc && retry--); | |
172 | ||
173 | if (rval == QLA_SUCCESS) { | |
174 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
175 | ha->marker_needed = 1; | |
176 | qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); | |
177 | ha->marker_needed = 0; | |
178 | ||
179 | ha->flags.online = 1; | |
180 | } else { | |
181 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
182 | } | |
183 | ||
184 | return (rval); | |
185 | } | |
186 | ||
187 | /** | |
abbd8870 | 188 | * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. |
1da177e4 LT |
189 | * @ha: HA context |
190 | * | |
191 | * Returns 0 on success. | |
192 | */ | |
abbd8870 AV |
193 | int |
194 | qla2100_pci_config(scsi_qla_host_t *ha) | |
1da177e4 | 195 | { |
abbd8870 AV |
196 | uint16_t w, mwi; |
197 | unsigned long flags; | |
3d71644c | 198 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
199 | |
200 | qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); | |
201 | ||
1da177e4 LT |
202 | pci_set_master(ha->pdev); |
203 | mwi = 0; | |
204 | if (pci_set_mwi(ha->pdev)) | |
205 | mwi = PCI_COMMAND_INVALIDATE; | |
206 | pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); | |
207 | ||
1da177e4 LT |
208 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
209 | w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); | |
abbd8870 AV |
210 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
211 | ||
212 | /* Reset expansion ROM address decode enable */ | |
213 | pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); | |
214 | w &= ~PCI_ROM_ADDRESS_ENABLE; | |
215 | pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); | |
1da177e4 LT |
216 | |
217 | /* Get PCI bus information. */ | |
218 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3d71644c | 219 | ha->pci_attr = RD_REG_WORD(®->ctrl_status); |
1da177e4 LT |
220 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
221 | ||
abbd8870 AV |
222 | return QLA_SUCCESS; |
223 | } | |
1da177e4 | 224 | |
abbd8870 AV |
225 | /** |
226 | * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. | |
227 | * @ha: HA context | |
228 | * | |
229 | * Returns 0 on success. | |
230 | */ | |
231 | int | |
232 | qla2300_pci_config(scsi_qla_host_t *ha) | |
233 | { | |
234 | uint16_t w, mwi; | |
235 | unsigned long flags = 0; | |
236 | uint32_t cnt; | |
3d71644c | 237 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 | 238 | |
abbd8870 | 239 | qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); |
1da177e4 | 240 | |
abbd8870 AV |
241 | pci_set_master(ha->pdev); |
242 | mwi = 0; | |
243 | if (pci_set_mwi(ha->pdev)) | |
244 | mwi = PCI_COMMAND_INVALIDATE; | |
245 | pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); | |
1da177e4 | 246 | |
abbd8870 AV |
247 | pci_read_config_word(ha->pdev, PCI_COMMAND, &w); |
248 | w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); | |
1da177e4 | 249 | |
abbd8870 AV |
250 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
251 | w &= ~PCI_COMMAND_INTX_DISABLE; | |
1da177e4 | 252 | |
abbd8870 AV |
253 | /* |
254 | * If this is a 2300 card and not 2312, reset the | |
255 | * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, | |
256 | * the 2310 also reports itself as a 2300 so we need to get the | |
257 | * fb revision level -- a 6 indicates it really is a 2300 and | |
258 | * not a 2310. | |
259 | */ | |
260 | if (IS_QLA2300(ha)) { | |
261 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1da177e4 | 262 | |
abbd8870 | 263 | /* Pause RISC. */ |
3d71644c | 264 | WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); |
abbd8870 | 265 | for (cnt = 0; cnt < 30000; cnt++) { |
3d71644c | 266 | if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) |
abbd8870 | 267 | break; |
1da177e4 | 268 | |
abbd8870 AV |
269 | udelay(10); |
270 | } | |
1da177e4 | 271 | |
abbd8870 | 272 | /* Select FPM registers. */ |
3d71644c AV |
273 | WRT_REG_WORD(®->ctrl_status, 0x20); |
274 | RD_REG_WORD(®->ctrl_status); | |
abbd8870 AV |
275 | |
276 | /* Get the fb rev level */ | |
3d71644c | 277 | ha->fb_rev = RD_FB_CMD_REG(ha, reg); |
abbd8870 AV |
278 | |
279 | if (ha->fb_rev == FPM_2300) | |
280 | w &= ~PCI_COMMAND_INVALIDATE; | |
281 | ||
282 | /* Deselect FPM registers. */ | |
3d71644c AV |
283 | WRT_REG_WORD(®->ctrl_status, 0x0); |
284 | RD_REG_WORD(®->ctrl_status); | |
abbd8870 AV |
285 | |
286 | /* Release RISC module. */ | |
3d71644c | 287 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); |
abbd8870 | 288 | for (cnt = 0; cnt < 30000; cnt++) { |
3d71644c | 289 | if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) |
abbd8870 AV |
290 | break; |
291 | ||
292 | udelay(10); | |
1da177e4 | 293 | } |
1da177e4 | 294 | |
abbd8870 AV |
295 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
296 | } | |
1da177e4 LT |
297 | pci_write_config_word(ha->pdev, PCI_COMMAND, w); |
298 | ||
abbd8870 AV |
299 | pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); |
300 | ||
1da177e4 LT |
301 | /* Reset expansion ROM address decode enable */ |
302 | pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); | |
303 | w &= ~PCI_ROM_ADDRESS_ENABLE; | |
304 | pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); | |
305 | ||
abbd8870 AV |
306 | /* Get PCI bus information. */ |
307 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
3d71644c | 308 | ha->pci_attr = RD_REG_WORD(®->ctrl_status); |
abbd8870 AV |
309 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
310 | ||
311 | return QLA_SUCCESS; | |
1da177e4 LT |
312 | } |
313 | ||
314 | /** | |
315 | * qla2x00_isp_firmware() - Choose firmware image. | |
316 | * @ha: HA context | |
317 | * | |
318 | * Returns 0 on success. | |
319 | */ | |
320 | static int | |
321 | qla2x00_isp_firmware(scsi_qla_host_t *ha) | |
322 | { | |
323 | int rval; | |
324 | ||
325 | /* Assume loading risc code */ | |
326 | rval = QLA_FUNCTION_FAILED; | |
327 | ||
328 | if (ha->flags.disable_risc_code_load) { | |
329 | DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", | |
330 | ha->host_no)); | |
331 | qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); | |
332 | ||
333 | /* Verify checksum of loaded RISC code. */ | |
334 | rval = qla2x00_verify_checksum(ha); | |
335 | } | |
336 | ||
337 | if (rval) { | |
338 | DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", | |
339 | ha->host_no)); | |
340 | } | |
341 | ||
342 | return (rval); | |
343 | } | |
344 | ||
345 | /** | |
346 | * qla2x00_reset_chip() - Reset ISP chip. | |
347 | * @ha: HA context | |
348 | * | |
349 | * Returns 0 on success. | |
350 | */ | |
abbd8870 | 351 | void |
1da177e4 LT |
352 | qla2x00_reset_chip(scsi_qla_host_t *ha) |
353 | { | |
354 | unsigned long flags = 0; | |
3d71644c | 355 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
356 | uint32_t cnt; |
357 | unsigned long mbx_flags = 0; | |
358 | uint16_t cmd; | |
359 | ||
abbd8870 | 360 | ha->isp_ops.disable_intrs(ha); |
1da177e4 LT |
361 | |
362 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
363 | ||
364 | /* Turn off master enable */ | |
365 | cmd = 0; | |
366 | pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); | |
367 | cmd &= ~PCI_COMMAND_MASTER; | |
368 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
369 | ||
370 | if (!IS_QLA2100(ha)) { | |
371 | /* Pause RISC. */ | |
372 | WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); | |
373 | if (IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
374 | for (cnt = 0; cnt < 30000; cnt++) { | |
375 | if ((RD_REG_WORD(®->hccr) & | |
376 | HCCR_RISC_PAUSE) != 0) | |
377 | break; | |
378 | udelay(100); | |
379 | } | |
380 | } else { | |
381 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
382 | udelay(10); | |
383 | } | |
384 | ||
385 | /* Select FPM registers. */ | |
386 | WRT_REG_WORD(®->ctrl_status, 0x20); | |
387 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
388 | ||
389 | /* FPM Soft Reset. */ | |
390 | WRT_REG_WORD(®->fpm_diag_config, 0x100); | |
391 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
392 | ||
393 | /* Toggle Fpm Reset. */ | |
394 | if (!IS_QLA2200(ha)) { | |
395 | WRT_REG_WORD(®->fpm_diag_config, 0x0); | |
396 | RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ | |
397 | } | |
398 | ||
399 | /* Select frame buffer registers. */ | |
400 | WRT_REG_WORD(®->ctrl_status, 0x10); | |
401 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
402 | ||
403 | /* Reset frame buffer FIFOs. */ | |
404 | if (IS_QLA2200(ha)) { | |
405 | WRT_FB_CMD_REG(ha, reg, 0xa000); | |
406 | RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ | |
407 | } else { | |
408 | WRT_FB_CMD_REG(ha, reg, 0x00fc); | |
409 | ||
410 | /* Read back fb_cmd until zero or 3 seconds max */ | |
411 | for (cnt = 0; cnt < 3000; cnt++) { | |
412 | if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) | |
413 | break; | |
414 | udelay(100); | |
415 | } | |
416 | } | |
417 | ||
418 | /* Select RISC module registers. */ | |
419 | WRT_REG_WORD(®->ctrl_status, 0); | |
420 | RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ | |
421 | ||
422 | /* Reset RISC processor. */ | |
423 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
424 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
425 | ||
426 | /* Release RISC processor. */ | |
427 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
428 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
429 | } | |
430 | ||
431 | WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); | |
432 | WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); | |
433 | ||
434 | /* Reset ISP chip. */ | |
435 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
436 | ||
437 | /* Wait for RISC to recover from reset. */ | |
438 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
439 | /* | |
440 | * It is necessary to for a delay here since the card doesn't | |
441 | * respond to PCI reads during a reset. On some architectures | |
442 | * this will result in an MCA. | |
443 | */ | |
444 | udelay(20); | |
445 | for (cnt = 30000; cnt; cnt--) { | |
446 | if ((RD_REG_WORD(®->ctrl_status) & | |
447 | CSR_ISP_SOFT_RESET) == 0) | |
448 | break; | |
449 | udelay(100); | |
450 | } | |
451 | } else | |
452 | udelay(10); | |
453 | ||
454 | /* Reset RISC processor. */ | |
455 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
456 | ||
457 | WRT_REG_WORD(®->semaphore, 0); | |
458 | ||
459 | /* Release RISC processor. */ | |
460 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
461 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
462 | ||
463 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
464 | for (cnt = 0; cnt < 30000; cnt++) { | |
465 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
466 | spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); | |
467 | ||
468 | if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { | |
469 | if (!(test_bit(ABORT_ISP_ACTIVE, | |
470 | &ha->dpc_flags))) | |
471 | spin_unlock_irqrestore( | |
472 | &ha->mbx_reg_lock, mbx_flags); | |
473 | break; | |
474 | } | |
475 | ||
476 | if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) | |
477 | spin_unlock_irqrestore(&ha->mbx_reg_lock, | |
478 | mbx_flags); | |
479 | ||
480 | udelay(100); | |
481 | } | |
482 | } else | |
483 | udelay(100); | |
484 | ||
485 | /* Turn on master enable */ | |
486 | cmd |= PCI_COMMAND_MASTER; | |
487 | pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); | |
488 | ||
489 | /* Disable RISC pause on FPM parity error. */ | |
490 | if (!IS_QLA2100(ha)) { | |
491 | WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); | |
492 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
493 | } | |
494 | ||
495 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
496 | } | |
497 | ||
498 | /** | |
499 | * qla2x00_chip_diag() - Test chip for proper operation. | |
500 | * @ha: HA context | |
501 | * | |
502 | * Returns 0 on success. | |
503 | */ | |
abbd8870 | 504 | int |
1da177e4 LT |
505 | qla2x00_chip_diag(scsi_qla_host_t *ha) |
506 | { | |
507 | int rval; | |
3d71644c | 508 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
509 | unsigned long flags = 0; |
510 | uint16_t data; | |
511 | uint32_t cnt; | |
512 | uint16_t mb[5]; | |
513 | ||
514 | /* Assume a failed state */ | |
515 | rval = QLA_FUNCTION_FAILED; | |
516 | ||
517 | DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", | |
518 | ha->host_no, (u_long)®->flash_address)); | |
519 | ||
520 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
521 | ||
522 | /* Reset ISP chip. */ | |
523 | WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); | |
524 | ||
525 | /* | |
526 | * We need to have a delay here since the card will not respond while | |
527 | * in reset causing an MCA on some architectures. | |
528 | */ | |
529 | udelay(20); | |
530 | data = qla2x00_debounce_register(®->ctrl_status); | |
531 | for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { | |
532 | udelay(5); | |
533 | data = RD_REG_WORD(®->ctrl_status); | |
534 | barrier(); | |
535 | } | |
536 | ||
537 | if (!cnt) | |
538 | goto chip_diag_failed; | |
539 | ||
540 | DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", | |
541 | ha->host_no)); | |
542 | ||
543 | /* Reset RISC processor. */ | |
544 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
545 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
546 | ||
547 | /* Workaround for QLA2312 PCI parity error */ | |
548 | if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { | |
549 | data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); | |
550 | for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { | |
551 | udelay(5); | |
552 | data = RD_MAILBOX_REG(ha, reg, 0); | |
553 | barrier(); | |
554 | } | |
555 | } else | |
556 | udelay(10); | |
557 | ||
558 | if (!cnt) | |
559 | goto chip_diag_failed; | |
560 | ||
561 | /* Check product ID of chip */ | |
562 | DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); | |
563 | ||
564 | mb[1] = RD_MAILBOX_REG(ha, reg, 1); | |
565 | mb[2] = RD_MAILBOX_REG(ha, reg, 2); | |
566 | mb[3] = RD_MAILBOX_REG(ha, reg, 3); | |
567 | mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); | |
568 | if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || | |
569 | mb[3] != PROD_ID_3) { | |
570 | qla_printk(KERN_WARNING, ha, | |
571 | "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); | |
572 | ||
573 | goto chip_diag_failed; | |
574 | } | |
575 | ha->product_id[0] = mb[1]; | |
576 | ha->product_id[1] = mb[2]; | |
577 | ha->product_id[2] = mb[3]; | |
578 | ha->product_id[3] = mb[4]; | |
579 | ||
580 | /* Adjust fw RISC transfer size */ | |
581 | if (ha->request_q_length > 1024) | |
582 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; | |
583 | else | |
584 | ha->fw_transfer_size = REQUEST_ENTRY_SIZE * | |
585 | ha->request_q_length; | |
586 | ||
587 | if (IS_QLA2200(ha) && | |
588 | RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { | |
589 | /* Limit firmware transfer size with a 2200A */ | |
590 | DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", | |
591 | ha->host_no)); | |
592 | ||
593 | ha->fw_transfer_size = 128; | |
594 | } | |
595 | ||
596 | /* Wrap Incoming Mailboxes Test. */ | |
597 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
598 | ||
599 | DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); | |
600 | rval = qla2x00_mbx_reg_test(ha); | |
601 | if (rval) { | |
602 | DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", | |
603 | ha->host_no)); | |
604 | qla_printk(KERN_WARNING, ha, | |
605 | "Failed mailbox send register test\n"); | |
606 | } | |
607 | else { | |
608 | /* Flag a successful rval */ | |
609 | rval = QLA_SUCCESS; | |
610 | } | |
611 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
612 | ||
613 | chip_diag_failed: | |
614 | if (rval) | |
615 | DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " | |
616 | "****\n", ha->host_no)); | |
617 | ||
618 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
619 | ||
620 | return (rval); | |
621 | } | |
622 | ||
623 | /** | |
624 | * qla2x00_resize_request_q() - Resize request queue given available ISP memory. | |
625 | * @ha: HA context | |
626 | * | |
627 | * Returns 0 on success. | |
628 | */ | |
629 | static void | |
630 | qla2x00_resize_request_q(scsi_qla_host_t *ha) | |
631 | { | |
632 | int rval; | |
633 | uint16_t fw_iocb_cnt = 0; | |
634 | uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; | |
635 | dma_addr_t request_dma; | |
636 | request_t *request_ring; | |
637 | ||
638 | /* Valid only on recent ISPs. */ | |
639 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
640 | return; | |
641 | ||
642 | /* Retrieve IOCB counts available to the firmware. */ | |
643 | rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); | |
644 | if (rval) | |
645 | return; | |
646 | /* No point in continuing if current settings are sufficient. */ | |
647 | if (fw_iocb_cnt < 1024) | |
648 | return; | |
649 | if (ha->request_q_length >= request_q_length) | |
650 | return; | |
651 | ||
652 | /* Attempt to claim larger area for request queue. */ | |
653 | request_ring = dma_alloc_coherent(&ha->pdev->dev, | |
654 | (request_q_length + 1) * sizeof(request_t), &request_dma, | |
655 | GFP_KERNEL); | |
656 | if (request_ring == NULL) | |
657 | return; | |
658 | ||
659 | /* Resize successful, report extensions. */ | |
660 | qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", | |
661 | (ha->fw_memory_size + 1) / 1024); | |
662 | qla_printk(KERN_INFO, ha, "Resizing request queue depth " | |
663 | "(%d -> %d)...\n", ha->request_q_length, request_q_length); | |
664 | ||
665 | /* Clear old allocations. */ | |
666 | dma_free_coherent(&ha->pdev->dev, | |
667 | (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, | |
668 | ha->request_dma); | |
669 | ||
670 | /* Begin using larger queue. */ | |
671 | ha->request_q_length = request_q_length; | |
672 | ha->request_ring = request_ring; | |
673 | ha->request_dma = request_dma; | |
674 | } | |
675 | ||
676 | /** | |
677 | * qla2x00_setup_chip() - Load and start RISC firmware. | |
678 | * @ha: HA context | |
679 | * | |
680 | * Returns 0 on success. | |
681 | */ | |
682 | static int | |
683 | qla2x00_setup_chip(scsi_qla_host_t *ha) | |
684 | { | |
685 | int rval; | |
686 | uint16_t cnt; | |
687 | uint16_t *risc_code; | |
688 | unsigned long risc_address; | |
689 | unsigned long risc_code_size; | |
690 | int num; | |
691 | int i; | |
692 | uint16_t *req_ring; | |
693 | struct qla_fw_info *fw_iter; | |
694 | ||
695 | rval = QLA_SUCCESS; | |
696 | ||
697 | /* Load firmware sequences */ | |
698 | fw_iter = ha->brd_info->fw_info; | |
699 | while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { | |
700 | risc_code = fw_iter->fwcode; | |
701 | risc_code_size = *fw_iter->fwlen; | |
702 | ||
703 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
704 | risc_address = *fw_iter->fwstart; | |
705 | } else { | |
706 | /* Extended address */ | |
707 | risc_address = *fw_iter->lfwstart; | |
708 | } | |
709 | ||
710 | num = 0; | |
711 | rval = 0; | |
712 | while (risc_code_size > 0 && !rval) { | |
713 | cnt = (uint16_t)(ha->fw_transfer_size >> 1); | |
714 | if (cnt > risc_code_size) | |
715 | cnt = risc_code_size; | |
716 | ||
717 | DEBUG7(printk("scsi(%ld): Loading risc segment@ " | |
718 | "addr %p, number of bytes 0x%x, offset 0x%lx.\n", | |
719 | ha->host_no, risc_code, cnt, risc_address)); | |
720 | ||
721 | req_ring = (uint16_t *)ha->request_ring; | |
722 | for (i = 0; i < cnt; i++) | |
723 | req_ring[i] = cpu_to_le16(risc_code[i]); | |
724 | ||
725 | if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { | |
726 | rval = qla2x00_load_ram(ha, | |
727 | ha->request_dma, risc_address, cnt); | |
728 | } else { | |
729 | rval = qla2x00_load_ram_ext(ha, | |
730 | ha->request_dma, risc_address, cnt); | |
731 | } | |
732 | if (rval) { | |
733 | DEBUG(printk("scsi(%ld): [ERROR] Failed to " | |
734 | "load segment %d of firmware\n", | |
735 | ha->host_no, num)); | |
736 | qla_printk(KERN_WARNING, ha, | |
737 | "[ERROR] Failed to load " | |
738 | "segment %d of firmware\n", num); | |
739 | ||
740 | qla2x00_dump_regs(ha); | |
741 | break; | |
742 | } | |
743 | ||
744 | risc_code += cnt; | |
745 | risc_address += cnt; | |
746 | risc_code_size -= cnt; | |
747 | num++; | |
748 | } | |
749 | ||
750 | /* Next firmware sequence */ | |
751 | fw_iter++; | |
752 | } | |
753 | ||
754 | /* Verify checksum of loaded RISC code. */ | |
755 | if (!rval) { | |
756 | DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " | |
757 | "code.\n", ha->host_no)); | |
758 | ||
759 | rval = qla2x00_verify_checksum(ha); | |
760 | if (rval == QLA_SUCCESS) { | |
761 | /* Start firmware execution. */ | |
762 | DEBUG(printk("scsi(%ld): Checksum OK, start " | |
763 | "firmware.\n", ha->host_no)); | |
764 | ||
765 | rval = qla2x00_execute_fw(ha); | |
766 | /* Retrieve firmware information. */ | |
767 | if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { | |
768 | qla2x00_get_fw_version(ha, | |
769 | &ha->fw_major_version, | |
770 | &ha->fw_minor_version, | |
771 | &ha->fw_subminor_version, | |
772 | &ha->fw_attributes, &ha->fw_memory_size); | |
773 | qla2x00_resize_request_q(ha); | |
774 | } | |
775 | } else { | |
776 | DEBUG2(printk(KERN_INFO | |
777 | "scsi(%ld): ISP Firmware failed checksum.\n", | |
778 | ha->host_no)); | |
779 | } | |
780 | } | |
781 | ||
782 | if (rval) { | |
783 | DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", | |
784 | ha->host_no)); | |
785 | } | |
786 | ||
787 | return (rval); | |
788 | } | |
789 | ||
790 | /** | |
791 | * qla2x00_init_response_q_entries() - Initializes response queue entries. | |
792 | * @ha: HA context | |
793 | * | |
794 | * Beginning of request ring has initialization control block already built | |
795 | * by nvram config routine. | |
796 | * | |
797 | * Returns 0 on success. | |
798 | */ | |
799 | static void | |
800 | qla2x00_init_response_q_entries(scsi_qla_host_t *ha) | |
801 | { | |
802 | uint16_t cnt; | |
803 | response_t *pkt; | |
804 | ||
805 | pkt = ha->response_ring_ptr; | |
806 | for (cnt = 0; cnt < ha->response_q_length; cnt++) { | |
807 | pkt->signature = RESPONSE_PROCESSED; | |
808 | pkt++; | |
809 | } | |
810 | ||
811 | } | |
812 | ||
813 | /** | |
814 | * qla2x00_update_fw_options() - Read and process firmware options. | |
815 | * @ha: HA context | |
816 | * | |
817 | * Returns 0 on success. | |
818 | */ | |
abbd8870 | 819 | void |
1da177e4 LT |
820 | qla2x00_update_fw_options(scsi_qla_host_t *ha) |
821 | { | |
822 | uint16_t swing, emphasis, tx_sens, rx_sens; | |
823 | ||
824 | memset(ha->fw_options, 0, sizeof(ha->fw_options)); | |
825 | qla2x00_get_fw_options(ha, ha->fw_options); | |
826 | ||
827 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) | |
828 | return; | |
829 | ||
830 | /* Serial Link options. */ | |
831 | DEBUG3(printk("scsi(%ld): Serial link options:\n", | |
832 | ha->host_no)); | |
833 | DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, | |
834 | sizeof(ha->fw_seriallink_options))); | |
835 | ||
836 | ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; | |
837 | if (ha->fw_seriallink_options[3] & BIT_2) { | |
838 | ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; | |
839 | ||
840 | /* 1G settings */ | |
841 | swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); | |
842 | emphasis = (ha->fw_seriallink_options[2] & | |
843 | (BIT_4 | BIT_3)) >> 3; | |
844 | tx_sens = ha->fw_seriallink_options[0] & | |
845 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
846 | rx_sens = (ha->fw_seriallink_options[0] & | |
847 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
848 | ha->fw_options[10] = (emphasis << 14) | (swing << 8); | |
849 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
850 | if (rx_sens == 0x0) | |
851 | rx_sens = 0x3; | |
852 | ha->fw_options[10] |= (tx_sens << 4) | rx_sens; | |
853 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
854 | ha->fw_options[10] |= BIT_5 | | |
855 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
856 | (tx_sens & (BIT_1 | BIT_0)); | |
857 | ||
858 | /* 2G settings */ | |
859 | swing = (ha->fw_seriallink_options[2] & | |
860 | (BIT_7 | BIT_6 | BIT_5)) >> 5; | |
861 | emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); | |
862 | tx_sens = ha->fw_seriallink_options[1] & | |
863 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
864 | rx_sens = (ha->fw_seriallink_options[1] & | |
865 | (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; | |
866 | ha->fw_options[11] = (emphasis << 14) | (swing << 8); | |
867 | if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { | |
868 | if (rx_sens == 0x0) | |
869 | rx_sens = 0x3; | |
870 | ha->fw_options[11] |= (tx_sens << 4) | rx_sens; | |
871 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) | |
872 | ha->fw_options[11] |= BIT_5 | | |
873 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | | |
874 | (tx_sens & (BIT_1 | BIT_0)); | |
875 | } | |
876 | ||
877 | /* FCP2 options. */ | |
878 | /* Return command IOCBs without waiting for an ABTS to complete. */ | |
879 | ha->fw_options[3] |= BIT_13; | |
880 | ||
881 | /* LED scheme. */ | |
882 | if (ha->flags.enable_led_scheme) | |
883 | ha->fw_options[2] |= BIT_12; | |
884 | ||
885 | /* Update firmware options. */ | |
886 | qla2x00_set_fw_options(ha, ha->fw_options); | |
887 | } | |
888 | ||
abbd8870 AV |
889 | void |
890 | qla2x00_config_rings(struct scsi_qla_host *ha) | |
891 | { | |
3d71644c | 892 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
abbd8870 AV |
893 | |
894 | /* Setup ring parameters in initialization control block. */ | |
895 | ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); | |
896 | ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); | |
897 | ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); | |
898 | ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); | |
899 | ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); | |
900 | ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); | |
901 | ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); | |
902 | ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); | |
903 | ||
904 | WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); | |
905 | WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); | |
906 | WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); | |
907 | WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); | |
908 | RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ | |
909 | } | |
910 | ||
1da177e4 LT |
911 | /** |
912 | * qla2x00_init_rings() - Initializes firmware. | |
913 | * @ha: HA context | |
914 | * | |
915 | * Beginning of request ring has initialization control block already built | |
916 | * by nvram config routine. | |
917 | * | |
918 | * Returns 0 on success. | |
919 | */ | |
920 | static int | |
921 | qla2x00_init_rings(scsi_qla_host_t *ha) | |
922 | { | |
923 | int rval; | |
924 | unsigned long flags = 0; | |
925 | int cnt; | |
1da177e4 LT |
926 | |
927 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
928 | ||
929 | /* Clear outstanding commands array. */ | |
930 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) | |
931 | ha->outstanding_cmds[cnt] = NULL; | |
932 | ||
933 | ha->current_outstanding_cmd = 0; | |
934 | ||
935 | /* Clear RSCN queue. */ | |
936 | ha->rscn_in_ptr = 0; | |
937 | ha->rscn_out_ptr = 0; | |
938 | ||
939 | /* Initialize firmware. */ | |
940 | ha->request_ring_ptr = ha->request_ring; | |
941 | ha->req_ring_index = 0; | |
942 | ha->req_q_cnt = ha->request_q_length; | |
943 | ha->response_ring_ptr = ha->response_ring; | |
944 | ha->rsp_ring_index = 0; | |
945 | ||
1da177e4 LT |
946 | /* Initialize response queue entries */ |
947 | qla2x00_init_response_q_entries(ha); | |
948 | ||
abbd8870 | 949 | ha->isp_ops.config_rings(ha); |
1da177e4 LT |
950 | |
951 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
952 | ||
953 | /* Update any ISP specific firmware options before initialization. */ | |
abbd8870 | 954 | ha->isp_ops.update_fw_options(ha); |
1da177e4 LT |
955 | |
956 | DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); | |
957 | rval = qla2x00_init_firmware(ha, sizeof(init_cb_t)); | |
958 | if (rval) { | |
959 | DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", | |
960 | ha->host_no)); | |
961 | } else { | |
962 | DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", | |
963 | ha->host_no)); | |
964 | } | |
965 | ||
966 | return (rval); | |
967 | } | |
968 | ||
969 | /** | |
970 | * qla2x00_fw_ready() - Waits for firmware ready. | |
971 | * @ha: HA context | |
972 | * | |
973 | * Returns 0 on success. | |
974 | */ | |
975 | static int | |
976 | qla2x00_fw_ready(scsi_qla_host_t *ha) | |
977 | { | |
978 | int rval; | |
979 | unsigned long wtime, mtime; | |
980 | uint16_t min_wait; /* Minimum wait time if loop is down */ | |
981 | uint16_t wait_time; /* Wait time if loop is coming ready */ | |
982 | uint16_t fw_state; | |
983 | ||
984 | rval = QLA_SUCCESS; | |
985 | ||
986 | /* 20 seconds for loop down. */ | |
987 | min_wait = 20; | |
988 | ||
989 | /* | |
990 | * Firmware should take at most one RATOV to login, plus 5 seconds for | |
991 | * our own processing. | |
992 | */ | |
993 | if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { | |
994 | wait_time = min_wait; | |
995 | } | |
996 | ||
997 | /* Min wait time if loop down */ | |
998 | mtime = jiffies + (min_wait * HZ); | |
999 | ||
1000 | /* wait time before firmware ready */ | |
1001 | wtime = jiffies + (wait_time * HZ); | |
1002 | ||
1003 | /* Wait for ISP to finish LIP */ | |
1004 | if (!ha->flags.init_done) | |
1005 | qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); | |
1006 | ||
1007 | DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", | |
1008 | ha->host_no)); | |
1009 | ||
1010 | do { | |
1011 | rval = qla2x00_get_firmware_state(ha, &fw_state); | |
1012 | if (rval == QLA_SUCCESS) { | |
1013 | if (fw_state < FSTATE_LOSS_OF_SYNC) { | |
1014 | ha->device_flags &= ~DFLG_NO_CABLE; | |
1015 | } | |
1016 | if (fw_state == FSTATE_READY) { | |
1017 | DEBUG(printk("scsi(%ld): F/W Ready - OK \n", | |
1018 | ha->host_no)); | |
1019 | ||
1020 | qla2x00_get_retry_cnt(ha, &ha->retry_count, | |
1021 | &ha->login_timeout, &ha->r_a_tov); | |
1022 | ||
1023 | rval = QLA_SUCCESS; | |
1024 | break; | |
1025 | } | |
1026 | ||
1027 | rval = QLA_FUNCTION_FAILED; | |
1028 | ||
1029 | if (atomic_read(&ha->loop_down_timer) && | |
1030 | (fw_state >= FSTATE_LOSS_OF_SYNC || | |
1031 | fw_state == FSTATE_WAIT_AL_PA)) { | |
1032 | /* Loop down. Timeout on min_wait for states | |
1033 | * other than Wait for Login. | |
1034 | */ | |
1035 | if (time_after_eq(jiffies, mtime)) { | |
1036 | qla_printk(KERN_INFO, ha, | |
1037 | "Cable is unplugged...\n"); | |
1038 | ||
1039 | ha->device_flags |= DFLG_NO_CABLE; | |
1040 | break; | |
1041 | } | |
1042 | } | |
1043 | } else { | |
1044 | /* Mailbox cmd failed. Timeout on min_wait. */ | |
1045 | if (time_after_eq(jiffies, mtime)) | |
1046 | break; | |
1047 | } | |
1048 | ||
1049 | if (time_after_eq(jiffies, wtime)) | |
1050 | break; | |
1051 | ||
1052 | /* Delay for a while */ | |
1053 | msleep(500); | |
1054 | ||
1055 | DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1056 | ha->host_no, fw_state, jiffies)); | |
1057 | } while (1); | |
1058 | ||
1059 | DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", | |
1060 | ha->host_no, fw_state, jiffies)); | |
1061 | ||
1062 | if (rval) { | |
1063 | DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", | |
1064 | ha->host_no)); | |
1065 | } | |
1066 | ||
1067 | return (rval); | |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * qla2x00_configure_hba | |
1072 | * Setup adapter context. | |
1073 | * | |
1074 | * Input: | |
1075 | * ha = adapter state pointer. | |
1076 | * | |
1077 | * Returns: | |
1078 | * 0 = success | |
1079 | * | |
1080 | * Context: | |
1081 | * Kernel context. | |
1082 | */ | |
1083 | static int | |
1084 | qla2x00_configure_hba(scsi_qla_host_t *ha) | |
1085 | { | |
1086 | int rval; | |
1087 | uint16_t loop_id; | |
1088 | uint16_t topo; | |
1089 | uint8_t al_pa; | |
1090 | uint8_t area; | |
1091 | uint8_t domain; | |
1092 | char connect_type[22]; | |
1093 | ||
1094 | /* Get host addresses. */ | |
1095 | rval = qla2x00_get_adapter_id(ha, | |
1096 | &loop_id, &al_pa, &area, &domain, &topo); | |
1097 | if (rval != QLA_SUCCESS) { | |
1098 | qla_printk(KERN_WARNING, ha, | |
1099 | "ERROR -- Unable to get host loop ID.\n"); | |
1100 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1101 | return (rval); | |
1102 | } | |
1103 | ||
1104 | if (topo == 4) { | |
1105 | qla_printk(KERN_INFO, ha, | |
1106 | "Cannot get topology - retrying.\n"); | |
1107 | return (QLA_FUNCTION_FAILED); | |
1108 | } | |
1109 | ||
1110 | ha->loop_id = loop_id; | |
1111 | ||
1112 | /* initialize */ | |
1113 | ha->min_external_loopid = SNS_FIRST_LOOP_ID; | |
1114 | ha->operating_mode = LOOP; | |
1115 | ||
1116 | switch (topo) { | |
1117 | case 0: | |
1118 | DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", | |
1119 | ha->host_no)); | |
1120 | ha->current_topology = ISP_CFG_NL; | |
1121 | strcpy(connect_type, "(Loop)"); | |
1122 | break; | |
1123 | ||
1124 | case 1: | |
1125 | DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", | |
1126 | ha->host_no)); | |
1127 | ha->current_topology = ISP_CFG_FL; | |
1128 | strcpy(connect_type, "(FL_Port)"); | |
1129 | break; | |
1130 | ||
1131 | case 2: | |
1132 | DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", | |
1133 | ha->host_no)); | |
1134 | ha->operating_mode = P2P; | |
1135 | ha->current_topology = ISP_CFG_N; | |
1136 | strcpy(connect_type, "(N_Port-to-N_Port)"); | |
1137 | break; | |
1138 | ||
1139 | case 3: | |
1140 | DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", | |
1141 | ha->host_no)); | |
1142 | ha->operating_mode = P2P; | |
1143 | ha->current_topology = ISP_CFG_F; | |
1144 | strcpy(connect_type, "(F_Port)"); | |
1145 | break; | |
1146 | ||
1147 | default: | |
1148 | DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " | |
1149 | "Using NL.\n", | |
1150 | ha->host_no, topo)); | |
1151 | ha->current_topology = ISP_CFG_NL; | |
1152 | strcpy(connect_type, "(Loop)"); | |
1153 | break; | |
1154 | } | |
1155 | ||
1156 | /* Save Host port and loop ID. */ | |
1157 | /* byte order - Big Endian */ | |
1158 | ha->d_id.b.domain = domain; | |
1159 | ha->d_id.b.area = area; | |
1160 | ha->d_id.b.al_pa = al_pa; | |
1161 | ||
1162 | if (!ha->flags.init_done) | |
1163 | qla_printk(KERN_INFO, ha, | |
1164 | "Topology - %s, Host Loop address 0x%x\n", | |
1165 | connect_type, ha->loop_id); | |
1166 | ||
1167 | if (rval) { | |
1168 | DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); | |
1169 | } else { | |
1170 | DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); | |
1171 | } | |
1172 | ||
1173 | return(rval); | |
1174 | } | |
1175 | ||
1176 | /* | |
1177 | * NVRAM configuration for ISP 2xxx | |
1178 | * | |
1179 | * Input: | |
1180 | * ha = adapter block pointer. | |
1181 | * | |
1182 | * Output: | |
1183 | * initialization control block in response_ring | |
1184 | * host adapters parameters in host adapter block | |
1185 | * | |
1186 | * Returns: | |
1187 | * 0 = success. | |
1188 | */ | |
abbd8870 | 1189 | int |
1da177e4 LT |
1190 | qla2x00_nvram_config(scsi_qla_host_t *ha) |
1191 | { | |
1192 | int rval; | |
1193 | uint8_t chksum = 0; | |
1194 | uint16_t cnt; | |
1195 | uint8_t *dptr1, *dptr2; | |
1196 | init_cb_t *icb = ha->init_cb; | |
1197 | nvram_t *nv = (nvram_t *)ha->request_ring; | |
1198 | uint16_t *wptr = (uint16_t *)ha->request_ring; | |
3d71644c | 1199 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
1200 | uint8_t timer_mode; |
1201 | ||
1202 | rval = QLA_SUCCESS; | |
1203 | ||
1204 | /* Determine NVRAM starting address. */ | |
1205 | ha->nvram_base = 0; | |
1206 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) | |
1207 | if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) | |
1208 | ha->nvram_base = 0x80; | |
1209 | ||
1210 | /* Get NVRAM data and calculate checksum. */ | |
1211 | qla2x00_lock_nvram_access(ha); | |
1212 | for (cnt = 0; cnt < sizeof(nvram_t)/2; cnt++) { | |
1213 | *wptr = cpu_to_le16(qla2x00_get_nvram_word(ha, | |
1214 | (cnt+ha->nvram_base))); | |
1215 | chksum += (uint8_t)*wptr; | |
1216 | chksum += (uint8_t)(*wptr >> 8); | |
1217 | wptr++; | |
1218 | } | |
1219 | qla2x00_unlock_nvram_access(ha); | |
1220 | ||
1221 | DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); | |
1222 | DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, | |
1223 | sizeof(nvram_t))); | |
1224 | ||
1225 | /* Bad NVRAM data, set defaults parameters. */ | |
1226 | if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || | |
1227 | nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { | |
1228 | /* Reset NVRAM data. */ | |
1229 | qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " | |
1230 | "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], | |
1231 | nv->nvram_version); | |
1232 | qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " | |
1233 | "invalid -- WWPN) defaults.\n"); | |
1234 | ||
1235 | /* | |
1236 | * Set default initialization control block. | |
1237 | */ | |
1238 | memset(nv, 0, sizeof(nvram_t)); | |
1239 | nv->parameter_block_version = ICB_VERSION; | |
1240 | ||
1241 | if (IS_QLA23XX(ha)) { | |
1242 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1243 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1244 | nv->add_firmware_options[0] = BIT_5; | |
1245 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1246 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1247 | nv->special_options[1] = BIT_7; | |
1248 | } else if (IS_QLA2200(ha)) { | |
1249 | nv->firmware_options[0] = BIT_2 | BIT_1; | |
1250 | nv->firmware_options[1] = BIT_7 | BIT_5; | |
1251 | nv->add_firmware_options[0] = BIT_5; | |
1252 | nv->add_firmware_options[1] = BIT_5 | BIT_4; | |
1253 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1254 | } else if (IS_QLA2100(ha)) { | |
1255 | nv->firmware_options[0] = BIT_3 | BIT_1; | |
1256 | nv->firmware_options[1] = BIT_5; | |
1257 | nv->frame_payload_size = __constant_cpu_to_le16(1024); | |
1258 | } | |
1259 | ||
1260 | nv->max_iocb_allocation = __constant_cpu_to_le16(256); | |
1261 | nv->execution_throttle = __constant_cpu_to_le16(16); | |
1262 | nv->retry_count = 8; | |
1263 | nv->retry_delay = 1; | |
1264 | ||
1265 | nv->port_name[0] = 33; | |
1266 | nv->port_name[3] = 224; | |
1267 | nv->port_name[4] = 139; | |
1268 | ||
1269 | nv->login_timeout = 4; | |
1270 | ||
1271 | /* | |
1272 | * Set default host adapter parameters | |
1273 | */ | |
1274 | nv->host_p[1] = BIT_2; | |
1275 | nv->reset_delay = 5; | |
1276 | nv->port_down_retry_count = 8; | |
1277 | nv->max_luns_per_target = __constant_cpu_to_le16(8); | |
1278 | nv->link_down_timeout = 60; | |
1279 | ||
1280 | rval = 1; | |
1281 | } | |
1282 | ||
1283 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1284 | /* | |
1285 | * The SN2 does not provide BIOS emulation which means you can't change | |
1286 | * potentially bogus BIOS settings. Force the use of default settings | |
1287 | * for link rate and frame size. Hope that the rest of the settings | |
1288 | * are valid. | |
1289 | */ | |
1290 | if (ia64_platform_is("sn2")) { | |
1291 | nv->frame_payload_size = __constant_cpu_to_le16(2048); | |
1292 | if (IS_QLA23XX(ha)) | |
1293 | nv->special_options[1] = BIT_7; | |
1294 | } | |
1295 | #endif | |
1296 | ||
1297 | /* Reset Initialization control block */ | |
1298 | memset(icb, 0, sizeof(init_cb_t)); | |
1299 | ||
1300 | /* | |
1301 | * Setup driver NVRAM options. | |
1302 | */ | |
1303 | nv->firmware_options[0] |= (BIT_6 | BIT_1); | |
1304 | nv->firmware_options[0] &= ~(BIT_5 | BIT_4); | |
1305 | nv->firmware_options[1] |= (BIT_5 | BIT_0); | |
1306 | nv->firmware_options[1] &= ~BIT_4; | |
1307 | ||
1308 | if (IS_QLA23XX(ha)) { | |
1309 | nv->firmware_options[0] |= BIT_2; | |
1310 | nv->firmware_options[0] &= ~BIT_3; | |
1311 | ||
1312 | if (IS_QLA2300(ha)) { | |
1313 | if (ha->fb_rev == FPM_2310) { | |
1314 | strcpy(ha->model_number, "QLA2310"); | |
1315 | } else { | |
1316 | strcpy(ha->model_number, "QLA2300"); | |
1317 | } | |
1318 | } else { | |
1319 | if (rval == 0 && | |
1320 | memcmp(nv->model_number, BINZERO, | |
1321 | sizeof(nv->model_number)) != 0) { | |
1322 | char *st, *en; | |
1323 | ||
1324 | strncpy(ha->model_number, nv->model_number, | |
1325 | sizeof(nv->model_number)); | |
1326 | st = en = ha->model_number; | |
1327 | en += sizeof(nv->model_number) - 1; | |
1328 | while (en > st) { | |
1329 | if (*en != 0x20 && *en != 0x00) | |
1330 | break; | |
1331 | *en-- = '\0'; | |
1332 | } | |
1333 | } else { | |
1334 | uint16_t index; | |
1335 | ||
1336 | index = (ha->pdev->subsystem_device & 0xff); | |
1337 | if (index < QLA_MODEL_NAMES) { | |
1338 | strcpy(ha->model_number, | |
1339 | qla2x00_model_name[index]); | |
1340 | ha->model_desc = | |
1341 | qla2x00_model_desc[index]; | |
1342 | } else { | |
1343 | strcpy(ha->model_number, "QLA23xx"); | |
1344 | } | |
1345 | } | |
1346 | } | |
1347 | } else if (IS_QLA2200(ha)) { | |
1348 | nv->firmware_options[0] |= BIT_2; | |
1349 | /* | |
1350 | * 'Point-to-point preferred, else loop' is not a safe | |
1351 | * connection mode setting. | |
1352 | */ | |
1353 | if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == | |
1354 | (BIT_5 | BIT_4)) { | |
1355 | /* Force 'loop preferred, else point-to-point'. */ | |
1356 | nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); | |
1357 | nv->add_firmware_options[0] |= BIT_5; | |
1358 | } | |
1359 | strcpy(ha->model_number, "QLA22xx"); | |
1360 | } else /*if (IS_QLA2100(ha))*/ { | |
1361 | strcpy(ha->model_number, "QLA2100"); | |
1362 | } | |
1363 | ||
1364 | /* | |
1365 | * Copy over NVRAM RISC parameter block to initialization control block. | |
1366 | */ | |
1367 | dptr1 = (uint8_t *)icb; | |
1368 | dptr2 = (uint8_t *)&nv->parameter_block_version; | |
1369 | cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; | |
1370 | while (cnt--) | |
1371 | *dptr1++ = *dptr2++; | |
1372 | ||
1373 | /* Copy 2nd half. */ | |
1374 | dptr1 = (uint8_t *)icb->add_firmware_options; | |
1375 | cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; | |
1376 | while (cnt--) | |
1377 | *dptr1++ = *dptr2++; | |
1378 | ||
1379 | /* Prepare nodename */ | |
1380 | if ((icb->firmware_options[1] & BIT_6) == 0) { | |
1381 | /* | |
1382 | * Firmware will apply the following mask if the nodename was | |
1383 | * not provided. | |
1384 | */ | |
1385 | memcpy(icb->node_name, icb->port_name, WWN_SIZE); | |
1386 | icb->node_name[0] &= 0xF0; | |
1387 | } | |
1388 | ||
1389 | /* | |
1390 | * Set host adapter parameters. | |
1391 | */ | |
1da177e4 LT |
1392 | ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); |
1393 | /* Always load RISC code on non ISP2[12]00 chips. */ | |
1394 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
1395 | ha->flags.disable_risc_code_load = 0; | |
1396 | ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); | |
1397 | ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); | |
1398 | ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); | |
1399 | ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0); | |
1400 | ||
1401 | ha->operating_mode = | |
1402 | (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; | |
1403 | ||
1404 | memcpy(ha->fw_seriallink_options, nv->seriallink_options, | |
1405 | sizeof(ha->fw_seriallink_options)); | |
1406 | ||
1407 | /* save HBA serial number */ | |
1408 | ha->serial0 = icb->port_name[5]; | |
1409 | ha->serial1 = icb->port_name[6]; | |
1410 | ha->serial2 = icb->port_name[7]; | |
3d71644c AV |
1411 | ha->node_name = icb->node_name; |
1412 | ha->port_name = icb->port_name; | |
1da177e4 LT |
1413 | |
1414 | icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); | |
1415 | ||
1416 | ha->retry_count = nv->retry_count; | |
1417 | ||
1418 | /* Set minimum login_timeout to 4 seconds. */ | |
1419 | if (nv->login_timeout < ql2xlogintimeout) | |
1420 | nv->login_timeout = ql2xlogintimeout; | |
1421 | if (nv->login_timeout < 4) | |
1422 | nv->login_timeout = 4; | |
1423 | ha->login_timeout = nv->login_timeout; | |
1424 | icb->login_timeout = nv->login_timeout; | |
1425 | ||
1426 | /* Set minimum RATOV to 200 tenths of a second. */ | |
1427 | ha->r_a_tov = 200; | |
1428 | ||
1da177e4 LT |
1429 | ha->loop_reset_delay = nv->reset_delay; |
1430 | ||
1da177e4 LT |
1431 | /* Link Down Timeout = 0: |
1432 | * | |
1433 | * When Port Down timer expires we will start returning | |
1434 | * I/O's to OS with "DID_NO_CONNECT". | |
1435 | * | |
1436 | * Link Down Timeout != 0: | |
1437 | * | |
1438 | * The driver waits for the link to come up after link down | |
1439 | * before returning I/Os to OS with "DID_NO_CONNECT". | |
1440 | */ | |
1441 | if (nv->link_down_timeout == 0) { | |
1442 | ha->loop_down_abort_time = | |
354d6b21 | 1443 | (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); |
1da177e4 LT |
1444 | } else { |
1445 | ha->link_down_timeout = nv->link_down_timeout; | |
1446 | ha->loop_down_abort_time = | |
1447 | (LOOP_DOWN_TIME - ha->link_down_timeout); | |
1448 | } | |
1449 | ||
1da177e4 LT |
1450 | /* |
1451 | * Need enough time to try and get the port back. | |
1452 | */ | |
1453 | ha->port_down_retry_count = nv->port_down_retry_count; | |
1454 | if (qlport_down_retry) | |
1455 | ha->port_down_retry_count = qlport_down_retry; | |
1456 | /* Set login_retry_count */ | |
1457 | ha->login_retry_count = nv->retry_count; | |
1458 | if (ha->port_down_retry_count == nv->port_down_retry_count && | |
1459 | ha->port_down_retry_count > 3) | |
1460 | ha->login_retry_count = ha->port_down_retry_count; | |
1461 | else if (ha->port_down_retry_count > (int)ha->login_retry_count) | |
1462 | ha->login_retry_count = ha->port_down_retry_count; | |
1463 | if (ql2xloginretrycount) | |
1464 | ha->login_retry_count = ql2xloginretrycount; | |
1465 | ||
1da177e4 LT |
1466 | icb->lun_enables = __constant_cpu_to_le16(0); |
1467 | icb->command_resource_count = 0; | |
1468 | icb->immediate_notify_resource_count = 0; | |
1469 | icb->timeout = __constant_cpu_to_le16(0); | |
1470 | ||
1471 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { | |
1472 | /* Enable RIO */ | |
1473 | icb->firmware_options[0] &= ~BIT_3; | |
1474 | icb->add_firmware_options[0] &= | |
1475 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1476 | icb->add_firmware_options[0] |= BIT_2; | |
1477 | icb->response_accumulation_timer = 3; | |
1478 | icb->interrupt_delay_timer = 5; | |
1479 | ||
1480 | ha->flags.process_response_queue = 1; | |
1481 | } else { | |
1482 | /* Enable ZIO -- Support mode 5 only. */ | |
1483 | timer_mode = icb->add_firmware_options[0] & | |
1484 | (BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1485 | icb->add_firmware_options[0] &= | |
1486 | ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
1487 | if (ql2xenablezio) | |
1488 | timer_mode = BIT_2 | BIT_0; | |
1489 | if (timer_mode == (BIT_2 | BIT_0)) { | |
1490 | DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " | |
1491 | "(%d).\n", ha->host_no, ql2xintrdelaytimer)); | |
1492 | qla_printk(KERN_INFO, ha, | |
1493 | "ZIO enabled; timer delay (%d).\n", | |
1494 | ql2xintrdelaytimer); | |
1495 | ||
1496 | icb->add_firmware_options[0] |= timer_mode; | |
1497 | icb->interrupt_delay_timer = ql2xintrdelaytimer; | |
1498 | ha->flags.process_response_queue = 1; | |
1499 | } | |
1500 | } | |
1501 | ||
1502 | if (rval) { | |
1503 | DEBUG2_3(printk(KERN_WARNING | |
1504 | "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); | |
1505 | } | |
1506 | return (rval); | |
1507 | } | |
1508 | ||
1da177e4 LT |
1509 | /** |
1510 | * qla2x00_alloc_fcport() - Allocate a generic fcport. | |
1511 | * @ha: HA context | |
1512 | * @flags: allocation flags | |
1513 | * | |
1514 | * Returns a pointer to the allocated fcport, or NULL, if none available. | |
1515 | */ | |
1516 | fc_port_t * | |
1517 | qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) | |
1518 | { | |
1519 | fc_port_t *fcport; | |
1520 | ||
1521 | fcport = kmalloc(sizeof(fc_port_t), flags); | |
1522 | if (fcport == NULL) | |
1523 | return (fcport); | |
1524 | ||
1525 | /* Setup fcport template structure. */ | |
1526 | memset(fcport, 0, sizeof (fc_port_t)); | |
1527 | fcport->ha = ha; | |
1528 | fcport->port_type = FCT_UNKNOWN; | |
1529 | fcport->loop_id = FC_NO_LOOP_ID; | |
1530 | fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; | |
1531 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | |
1532 | fcport->flags = FCF_RLC_SUPPORT; | |
1da177e4 LT |
1533 | |
1534 | return (fcport); | |
1535 | } | |
1536 | ||
1537 | /* | |
1538 | * qla2x00_configure_loop | |
1539 | * Updates Fibre Channel Device Database with what is actually on loop. | |
1540 | * | |
1541 | * Input: | |
1542 | * ha = adapter block pointer. | |
1543 | * | |
1544 | * Returns: | |
1545 | * 0 = success. | |
1546 | * 1 = error. | |
1547 | * 2 = database was full and device was not configured. | |
1548 | */ | |
1549 | static int | |
1550 | qla2x00_configure_loop(scsi_qla_host_t *ha) | |
1551 | { | |
1552 | int rval; | |
1553 | unsigned long flags, save_flags; | |
1554 | ||
1555 | rval = QLA_SUCCESS; | |
1556 | ||
1557 | /* Get Initiator ID */ | |
1558 | if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { | |
1559 | rval = qla2x00_configure_hba(ha); | |
1560 | if (rval != QLA_SUCCESS) { | |
1561 | DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", | |
1562 | ha->host_no)); | |
1563 | return (rval); | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | save_flags = flags = ha->dpc_flags; | |
1568 | DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", | |
1569 | ha->host_no, flags)); | |
1570 | ||
1571 | /* | |
1572 | * If we have both an RSCN and PORT UPDATE pending then handle them | |
1573 | * both at the same time. | |
1574 | */ | |
1575 | clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1576 | clear_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1da177e4 LT |
1577 | |
1578 | /* Determine what we need to do */ | |
1579 | if (ha->current_topology == ISP_CFG_FL && | |
1580 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1581 | ||
1582 | ha->flags.rscn_queue_overflow = 1; | |
1583 | set_bit(RSCN_UPDATE, &flags); | |
1584 | ||
1585 | } else if (ha->current_topology == ISP_CFG_F && | |
1586 | (test_bit(LOCAL_LOOP_UPDATE, &flags))) { | |
1587 | ||
1588 | ha->flags.rscn_queue_overflow = 1; | |
1589 | set_bit(RSCN_UPDATE, &flags); | |
1590 | clear_bit(LOCAL_LOOP_UPDATE, &flags); | |
1591 | ||
1592 | } else if (!ha->flags.online || | |
1593 | (test_bit(ABORT_ISP_ACTIVE, &flags))) { | |
1594 | ||
1595 | ha->flags.rscn_queue_overflow = 1; | |
1596 | set_bit(RSCN_UPDATE, &flags); | |
1597 | set_bit(LOCAL_LOOP_UPDATE, &flags); | |
1598 | } | |
1599 | ||
1600 | if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { | |
1601 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1602 | rval = QLA_FUNCTION_FAILED; | |
1603 | } else { | |
1604 | rval = qla2x00_configure_local_loop(ha); | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { | |
1609 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1610 | rval = QLA_FUNCTION_FAILED; | |
1611 | } else { | |
1612 | rval = qla2x00_configure_fabric(ha); | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | if (rval == QLA_SUCCESS) { | |
1617 | if (atomic_read(&ha->loop_down_timer) || | |
1618 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1619 | rval = QLA_FUNCTION_FAILED; | |
1620 | } else { | |
1da177e4 LT |
1621 | atomic_set(&ha->loop_state, LOOP_READY); |
1622 | ||
1623 | DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); | |
1624 | } | |
1625 | } | |
1626 | ||
1627 | if (rval) { | |
1628 | DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", | |
1629 | __func__, ha->host_no)); | |
1630 | } else { | |
1631 | DEBUG3(printk("%s: exiting normally\n", __func__)); | |
1632 | } | |
1633 | ||
1634 | /* Restore state if a resync event occured during processing */ | |
1635 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { | |
1636 | if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) | |
1637 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); | |
1638 | if (test_bit(RSCN_UPDATE, &save_flags)) | |
1639 | set_bit(RSCN_UPDATE, &ha->dpc_flags); | |
1640 | } | |
1641 | ||
1642 | return (rval); | |
1643 | } | |
1644 | ||
1645 | ||
1646 | ||
1647 | /* | |
1648 | * qla2x00_configure_local_loop | |
1649 | * Updates Fibre Channel Device Database with local loop devices. | |
1650 | * | |
1651 | * Input: | |
1652 | * ha = adapter block pointer. | |
1653 | * | |
1654 | * Returns: | |
1655 | * 0 = success. | |
1656 | */ | |
1657 | static int | |
1658 | qla2x00_configure_local_loop(scsi_qla_host_t *ha) | |
1659 | { | |
1660 | int rval, rval2; | |
1661 | int found_devs; | |
1662 | int found; | |
1663 | fc_port_t *fcport, *new_fcport; | |
1664 | ||
1665 | uint16_t index; | |
1666 | uint16_t entries; | |
1667 | char *id_iter; | |
1668 | uint16_t loop_id; | |
1669 | uint8_t domain, area, al_pa; | |
1670 | ||
1671 | found_devs = 0; | |
1672 | new_fcport = NULL; | |
1673 | entries = MAX_FIBRE_DEVICES; | |
1674 | ||
1675 | DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); | |
1676 | DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); | |
1677 | ||
1678 | /* Get list of logged in devices. */ | |
1679 | memset(ha->gid_list, 0, GID_LIST_SIZE); | |
1680 | rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, | |
1681 | &entries); | |
1682 | if (rval != QLA_SUCCESS) | |
1683 | goto cleanup_allocation; | |
1684 | ||
1685 | DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", | |
1686 | ha->host_no, entries)); | |
1687 | DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, | |
1688 | entries * sizeof(struct gid_list_info))); | |
1689 | ||
1690 | /* Allocate temporary fcport for any new fcports discovered. */ | |
1691 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1692 | if (new_fcport == NULL) { | |
1693 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1694 | goto cleanup_allocation; | |
1695 | } | |
1696 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1697 | ||
1698 | /* | |
1699 | * Mark local devices that were present with FCF_DEVICE_LOST for now. | |
1700 | */ | |
1701 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1702 | if (atomic_read(&fcport->state) == FCS_ONLINE && | |
1703 | fcport->port_type != FCT_BROADCAST && | |
1704 | (fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
1705 | ||
1706 | DEBUG(printk("scsi(%ld): Marking port lost, " | |
1707 | "loop_id=0x%04x\n", | |
1708 | ha->host_no, fcport->loop_id)); | |
1709 | ||
1710 | atomic_set(&fcport->state, FCS_DEVICE_LOST); | |
1711 | fcport->flags &= ~FCF_FARP_DONE; | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | /* Add devices to port list. */ | |
1716 | id_iter = (char *)ha->gid_list; | |
1717 | for (index = 0; index < entries; index++) { | |
1718 | domain = ((struct gid_list_info *)id_iter)->domain; | |
1719 | area = ((struct gid_list_info *)id_iter)->area; | |
1720 | al_pa = ((struct gid_list_info *)id_iter)->al_pa; | |
abbd8870 | 1721 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) |
1da177e4 LT |
1722 | loop_id = (uint16_t) |
1723 | ((struct gid_list_info *)id_iter)->loop_id_2100; | |
abbd8870 | 1724 | else |
1da177e4 LT |
1725 | loop_id = le16_to_cpu( |
1726 | ((struct gid_list_info *)id_iter)->loop_id); | |
abbd8870 | 1727 | id_iter += ha->gid_list_info_size; |
1da177e4 LT |
1728 | |
1729 | /* Bypass reserved domain fields. */ | |
1730 | if ((domain & 0xf0) == 0xf0) | |
1731 | continue; | |
1732 | ||
1733 | /* Bypass if not same domain and area of adapter. */ | |
1734 | if (area != ha->d_id.b.area || domain != ha->d_id.b.domain) | |
1735 | continue; | |
1736 | ||
1737 | /* Bypass invalid local loop ID. */ | |
1738 | if (loop_id > LAST_LOCAL_LOOP_ID) | |
1739 | continue; | |
1740 | ||
1741 | /* Fill in member data. */ | |
1742 | new_fcport->d_id.b.domain = domain; | |
1743 | new_fcport->d_id.b.area = area; | |
1744 | new_fcport->d_id.b.al_pa = al_pa; | |
1745 | new_fcport->loop_id = loop_id; | |
1746 | rval2 = qla2x00_get_port_database(ha, new_fcport, 0); | |
1747 | if (rval2 != QLA_SUCCESS) { | |
1748 | DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " | |
1749 | "information -- get_port_database=%x, " | |
1750 | "loop_id=0x%04x\n", | |
1751 | ha->host_no, rval2, new_fcport->loop_id)); | |
1752 | continue; | |
1753 | } | |
1754 | ||
1755 | /* Check for matching device in port list. */ | |
1756 | found = 0; | |
1757 | fcport = NULL; | |
1758 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1759 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
1760 | WWN_SIZE)) | |
1761 | continue; | |
1762 | ||
1763 | fcport->flags &= ~(FCF_FABRIC_DEVICE | | |
1764 | FCF_PERSISTENT_BOUND); | |
1765 | fcport->loop_id = new_fcport->loop_id; | |
1766 | fcport->port_type = new_fcport->port_type; | |
1767 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
1768 | memcpy(fcport->node_name, new_fcport->node_name, | |
1769 | WWN_SIZE); | |
1770 | ||
1771 | found++; | |
1772 | break; | |
1773 | } | |
1774 | ||
1775 | if (!found) { | |
1776 | /* New device, add to fcports list. */ | |
1777 | new_fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
1778 | list_add_tail(&new_fcport->list, &ha->fcports); | |
1779 | ||
1780 | /* Allocate a new replacement fcport. */ | |
1781 | fcport = new_fcport; | |
1782 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
1783 | if (new_fcport == NULL) { | |
1784 | rval = QLA_MEMORY_ALLOC_FAILED; | |
1785 | goto cleanup_allocation; | |
1786 | } | |
1787 | new_fcport->flags &= ~FCF_FABRIC_DEVICE; | |
1788 | } | |
1789 | ||
1790 | qla2x00_update_fcport(ha, fcport); | |
1791 | ||
1792 | found_devs++; | |
1793 | } | |
1794 | ||
1795 | cleanup_allocation: | |
1796 | if (new_fcport) | |
1797 | kfree(new_fcport); | |
1798 | ||
1799 | if (rval != QLA_SUCCESS) { | |
1800 | DEBUG2(printk("scsi(%ld): Configure local loop error exit: " | |
1801 | "rval=%x\n", ha->host_no, rval)); | |
1802 | } | |
1803 | ||
1804 | if (found_devs) { | |
1805 | ha->device_flags |= DFLG_LOCAL_DEVICES; | |
1806 | ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; | |
1807 | } | |
1808 | ||
1809 | return (rval); | |
1810 | } | |
1811 | ||
1812 | static void | |
1813 | qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) | |
1814 | { | |
1815 | fc_port_t *fcport; | |
1816 | ||
1817 | qla2x00_mark_all_devices_lost(ha); | |
1818 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1819 | if (fcport->port_type != FCT_TARGET) | |
1820 | continue; | |
1821 | ||
1822 | qla2x00_update_fcport(ha, fcport); | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | /* | |
1827 | * qla2x00_update_fcport | |
1828 | * Updates device on list. | |
1829 | * | |
1830 | * Input: | |
1831 | * ha = adapter block pointer. | |
1832 | * fcport = port structure pointer. | |
1833 | * | |
1834 | * Return: | |
1835 | * 0 - Success | |
1836 | * BIT_0 - error | |
1837 | * | |
1838 | * Context: | |
1839 | * Kernel context. | |
1840 | */ | |
1841 | static void | |
1842 | qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1843 | { | |
1844 | uint16_t index; | |
1845 | unsigned long flags; | |
1846 | srb_t *sp; | |
1847 | ||
1848 | fcport->ha = ha; | |
1849 | fcport->login_retry = 0; | |
1850 | fcport->port_login_retry_count = ha->port_down_retry_count * | |
1851 | PORT_RETRY_TIME; | |
1852 | atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * | |
1853 | PORT_RETRY_TIME); | |
1854 | fcport->flags &= ~FCF_LOGIN_NEEDED; | |
1855 | ||
1856 | /* | |
1857 | * Check for outstanding cmd on tape Bypass LUN discovery if active | |
1858 | * command on tape. | |
1859 | */ | |
1860 | if (fcport->flags & FCF_TAPE_PRESENT) { | |
1861 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1862 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { | |
bdf79621 AV |
1863 | fc_port_t *sfcp; |
1864 | ||
1da177e4 | 1865 | if ((sp = ha->outstanding_cmds[index]) != 0) { |
bdf79621 AV |
1866 | sfcp = sp->fcport; |
1867 | if (sfcp == fcport) { | |
1da177e4 LT |
1868 | atomic_set(&fcport->state, FCS_ONLINE); |
1869 | spin_unlock_irqrestore( | |
1870 | &ha->hardware_lock, flags); | |
1871 | return; | |
1872 | } | |
1873 | } | |
1874 | } | |
1875 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1876 | } | |
1877 | ||
1da177e4 | 1878 | if (fcport->port_type == FCT_INITIATOR || |
bdf79621 | 1879 | fcport->port_type == FCT_BROADCAST) |
1da177e4 | 1880 | fcport->device_type = TYPE_PROCESSOR; |
bdf79621 | 1881 | |
1da177e4 | 1882 | atomic_set(&fcport->state, FCS_ONLINE); |
bdf79621 | 1883 | |
8482e118 AV |
1884 | if (ha->flags.init_done) |
1885 | qla2x00_reg_remote_port(ha, fcport); | |
1da177e4 LT |
1886 | } |
1887 | ||
8482e118 AV |
1888 | void |
1889 | qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) | |
1890 | { | |
1891 | struct fc_rport_identifiers rport_ids; | |
bdf79621 | 1892 | struct fc_rport *rport; |
8482e118 AV |
1893 | |
1894 | if (fcport->rport) { | |
1895 | fc_remote_port_unblock(fcport->rport); | |
1896 | return; | |
1897 | } | |
1898 | ||
1899 | rport_ids.node_name = be64_to_cpu(*(uint64_t *)fcport->node_name); | |
1900 | rport_ids.port_name = be64_to_cpu(*(uint64_t *)fcport->port_name); | |
1901 | rport_ids.port_id = fcport->d_id.b.domain << 16 | | |
1902 | fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; | |
1903 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
1904 | if (fcport->port_type == FCT_INITIATOR) | |
1905 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1906 | if (fcport->port_type == FCT_TARGET) | |
1907 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1908 | ||
bdf79621 AV |
1909 | fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); |
1910 | if (!rport) | |
8482e118 AV |
1911 | qla_printk(KERN_WARNING, ha, |
1912 | "Unable to allocate fc remote port!\n"); | |
1da177e4 | 1913 | |
bdf79621 AV |
1914 | if (rport->scsi_target_id != -1 && rport->scsi_target_id < MAX_TARGETS) |
1915 | fcport->os_target_id = rport->scsi_target_id; | |
1da177e4 | 1916 | |
bdf79621 | 1917 | rport->dd_data = fcport; |
1da177e4 LT |
1918 | } |
1919 | ||
1da177e4 LT |
1920 | /* |
1921 | * qla2x00_configure_fabric | |
1922 | * Setup SNS devices with loop ID's. | |
1923 | * | |
1924 | * Input: | |
1925 | * ha = adapter block pointer. | |
1926 | * | |
1927 | * Returns: | |
1928 | * 0 = success. | |
1929 | * BIT_0 = error | |
1930 | */ | |
1931 | static int | |
1932 | qla2x00_configure_fabric(scsi_qla_host_t *ha) | |
1933 | { | |
1934 | int rval, rval2; | |
1935 | fc_port_t *fcport, *fcptemp; | |
1936 | uint16_t next_loopid; | |
1937 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1938 | LIST_HEAD(new_fcports); | |
1939 | ||
1940 | /* If FL port exists, then SNS is present */ | |
1941 | rval = qla2x00_get_port_name(ha, SNS_FL_PORT, NULL, 0); | |
1942 | if (rval != QLA_SUCCESS) { | |
1943 | DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " | |
1944 | "Port\n", ha->host_no)); | |
1945 | ||
1946 | ha->device_flags &= ~SWITCH_FOUND; | |
1947 | return (QLA_SUCCESS); | |
1948 | } | |
1949 | ||
1950 | /* Mark devices that need re-synchronization. */ | |
1951 | rval2 = qla2x00_device_resync(ha); | |
1952 | if (rval2 == QLA_RSCNS_HANDLED) { | |
1953 | /* No point doing the scan, just continue. */ | |
1954 | return (QLA_SUCCESS); | |
1955 | } | |
1956 | do { | |
1957 | /* Ensure we are logged into the SNS. */ | |
abbd8870 AV |
1958 | ha->isp_ops.fabric_login(ha, SIMPLE_NAME_SERVER, 0xff, 0xff, |
1959 | 0xfc, mb, BIT_1 | BIT_0); | |
1da177e4 LT |
1960 | if (mb[0] != MBS_COMMAND_COMPLETE) { |
1961 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1962 | "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " | |
1963 | "mb[2]=%x mb[6]=%x mb[7]=%x\n", SIMPLE_NAME_SERVER, | |
1964 | mb[0], mb[1], mb[2], mb[6], mb[7])); | |
1965 | return (QLA_SUCCESS); | |
1966 | } | |
1967 | ||
1968 | if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { | |
1969 | if (qla2x00_rft_id(ha)) { | |
1970 | /* EMPTY */ | |
1971 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
1972 | "TYPE failed.\n", ha->host_no)); | |
1973 | } | |
1974 | if (qla2x00_rff_id(ha)) { | |
1975 | /* EMPTY */ | |
1976 | DEBUG2(printk("scsi(%ld): Register FC-4 " | |
1977 | "Features failed.\n", ha->host_no)); | |
1978 | } | |
1979 | if (qla2x00_rnn_id(ha)) { | |
1980 | /* EMPTY */ | |
1981 | DEBUG2(printk("scsi(%ld): Register Node Name " | |
1982 | "failed.\n", ha->host_no)); | |
1983 | } else if (qla2x00_rsnn_nn(ha)) { | |
1984 | /* EMPTY */ | |
1985 | DEBUG2(printk("scsi(%ld): Register Symbolic " | |
1986 | "Node Name failed.\n", ha->host_no)); | |
1987 | } | |
1988 | } | |
1989 | ||
1990 | rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); | |
1991 | if (rval != QLA_SUCCESS) | |
1992 | break; | |
1993 | ||
1994 | /* | |
1995 | * Logout all previous fabric devices marked lost, except | |
1996 | * tape devices. | |
1997 | */ | |
1998 | list_for_each_entry(fcport, &ha->fcports, list) { | |
1999 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2000 | break; | |
2001 | ||
2002 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) | |
2003 | continue; | |
2004 | ||
2005 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { | |
2006 | qla2x00_mark_device_lost(ha, fcport, | |
2007 | ql2xplogiabsentdevice); | |
2008 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2009 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2010 | fcport->port_type != FCT_INITIATOR && | |
2011 | fcport->port_type != FCT_BROADCAST) { | |
2012 | ||
abbd8870 | 2013 | ha->isp_ops.fabric_logout(ha, |
1da177e4 LT |
2014 | fcport->loop_id); |
2015 | fcport->loop_id = FC_NO_LOOP_ID; | |
2016 | } | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | /* Starting free loop ID. */ | |
2021 | next_loopid = ha->min_external_loopid; | |
2022 | ||
2023 | /* | |
2024 | * Scan through our port list and login entries that need to be | |
2025 | * logged in. | |
2026 | */ | |
2027 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2028 | if (atomic_read(&ha->loop_down_timer) || | |
2029 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2030 | break; | |
2031 | ||
2032 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2033 | (fcport->flags & FCF_LOGIN_NEEDED) == 0) | |
2034 | continue; | |
2035 | ||
2036 | if (fcport->loop_id == FC_NO_LOOP_ID) { | |
2037 | fcport->loop_id = next_loopid; | |
2038 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2039 | if (rval != QLA_SUCCESS) { | |
2040 | /* Ran out of IDs to use */ | |
2041 | break; | |
2042 | } | |
2043 | } | |
2044 | ||
2045 | /* Login and update database */ | |
2046 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
2047 | } | |
2048 | ||
2049 | /* Exit if out of loop IDs. */ | |
2050 | if (rval != QLA_SUCCESS) { | |
2051 | break; | |
2052 | } | |
2053 | ||
2054 | /* | |
2055 | * Login and add the new devices to our port list. | |
2056 | */ | |
2057 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2058 | if (atomic_read(&ha->loop_down_timer) || | |
2059 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2060 | break; | |
2061 | ||
2062 | /* Find a new loop ID to use. */ | |
2063 | fcport->loop_id = next_loopid; | |
2064 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2065 | if (rval != QLA_SUCCESS) { | |
2066 | /* Ran out of IDs to use */ | |
2067 | break; | |
2068 | } | |
2069 | ||
1da177e4 LT |
2070 | /* Remove device from the new list and add it to DB */ |
2071 | list_del(&fcport->list); | |
2072 | list_add_tail(&fcport->list, &ha->fcports); | |
bdf79621 AV |
2073 | |
2074 | /* Login and update database */ | |
2075 | qla2x00_fabric_dev_login(ha, fcport, &next_loopid); | |
1da177e4 LT |
2076 | } |
2077 | } while (0); | |
2078 | ||
2079 | /* Free all new device structures not processed. */ | |
2080 | list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { | |
2081 | list_del(&fcport->list); | |
2082 | kfree(fcport); | |
2083 | } | |
2084 | ||
2085 | if (rval) { | |
2086 | DEBUG2(printk("scsi(%ld): Configure fabric error exit: " | |
2087 | "rval=%d\n", ha->host_no, rval)); | |
2088 | } | |
2089 | ||
2090 | return (rval); | |
2091 | } | |
2092 | ||
2093 | ||
2094 | /* | |
2095 | * qla2x00_find_all_fabric_devs | |
2096 | * | |
2097 | * Input: | |
2098 | * ha = adapter block pointer. | |
2099 | * dev = database device entry pointer. | |
2100 | * | |
2101 | * Returns: | |
2102 | * 0 = success. | |
2103 | * | |
2104 | * Context: | |
2105 | * Kernel context. | |
2106 | */ | |
2107 | static int | |
2108 | qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) | |
2109 | { | |
2110 | int rval; | |
2111 | uint16_t loop_id; | |
2112 | fc_port_t *fcport, *new_fcport, *fcptemp; | |
2113 | int found; | |
2114 | ||
2115 | sw_info_t *swl; | |
2116 | int swl_idx; | |
2117 | int first_dev, last_dev; | |
2118 | port_id_t wrap, nxt_d_id; | |
2119 | ||
2120 | rval = QLA_SUCCESS; | |
2121 | ||
2122 | /* Try GID_PT to get device list, else GAN. */ | |
2123 | swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); | |
2124 | if (swl == NULL) { | |
2125 | /*EMPTY*/ | |
2126 | DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " | |
2127 | "on GA_NXT\n", ha->host_no)); | |
2128 | } else { | |
2129 | memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); | |
2130 | if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { | |
2131 | kfree(swl); | |
2132 | swl = NULL; | |
2133 | } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { | |
2134 | kfree(swl); | |
2135 | swl = NULL; | |
2136 | } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { | |
2137 | kfree(swl); | |
2138 | swl = NULL; | |
2139 | } | |
2140 | } | |
2141 | swl_idx = 0; | |
2142 | ||
2143 | /* Allocate temporary fcport for any new fcports discovered. */ | |
2144 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2145 | if (new_fcport == NULL) { | |
2146 | if (swl) | |
2147 | kfree(swl); | |
2148 | return (QLA_MEMORY_ALLOC_FAILED); | |
2149 | } | |
2150 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2151 | ||
2152 | /* Set start port ID scan at adapter ID. */ | |
2153 | first_dev = 1; | |
2154 | last_dev = 0; | |
2155 | ||
2156 | /* Starting free loop ID. */ | |
2157 | loop_id = ha->min_external_loopid; | |
2158 | ||
2159 | for (; loop_id <= ha->last_loop_id; loop_id++) { | |
3d71644c | 2160 | if (qla2x00_is_reserved_id(ha, loop_id)) |
1da177e4 LT |
2161 | continue; |
2162 | ||
2163 | if (atomic_read(&ha->loop_down_timer) || | |
2164 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) | |
2165 | break; | |
2166 | ||
2167 | if (swl != NULL) { | |
2168 | if (last_dev) { | |
2169 | wrap.b24 = new_fcport->d_id.b24; | |
2170 | } else { | |
2171 | new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; | |
2172 | memcpy(new_fcport->node_name, | |
2173 | swl[swl_idx].node_name, WWN_SIZE); | |
2174 | memcpy(new_fcport->port_name, | |
2175 | swl[swl_idx].port_name, WWN_SIZE); | |
2176 | ||
2177 | if (swl[swl_idx].d_id.b.rsvd_1 != 0) { | |
2178 | last_dev = 1; | |
2179 | } | |
2180 | swl_idx++; | |
2181 | } | |
2182 | } else { | |
2183 | /* Send GA_NXT to the switch */ | |
2184 | rval = qla2x00_ga_nxt(ha, new_fcport); | |
2185 | if (rval != QLA_SUCCESS) { | |
2186 | qla_printk(KERN_WARNING, ha, | |
2187 | "SNS scan failed -- assuming zero-entry " | |
2188 | "result...\n"); | |
2189 | list_for_each_entry_safe(fcport, fcptemp, | |
2190 | new_fcports, list) { | |
2191 | list_del(&fcport->list); | |
2192 | kfree(fcport); | |
2193 | } | |
2194 | rval = QLA_SUCCESS; | |
2195 | break; | |
2196 | } | |
2197 | } | |
2198 | ||
2199 | /* If wrap on switch device list, exit. */ | |
2200 | if (first_dev) { | |
2201 | wrap.b24 = new_fcport->d_id.b24; | |
2202 | first_dev = 0; | |
2203 | } else if (new_fcport->d_id.b24 == wrap.b24) { | |
2204 | DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", | |
2205 | ha->host_no, new_fcport->d_id.b.domain, | |
2206 | new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); | |
2207 | break; | |
2208 | } | |
2209 | ||
2210 | /* Bypass if host adapter. */ | |
2211 | if (new_fcport->d_id.b24 == ha->d_id.b24) | |
2212 | continue; | |
2213 | ||
2214 | /* Bypass reserved domain fields. */ | |
2215 | if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) | |
2216 | continue; | |
2217 | ||
2218 | /* Locate matching device in database. */ | |
2219 | found = 0; | |
2220 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2221 | if (memcmp(new_fcport->port_name, fcport->port_name, | |
2222 | WWN_SIZE)) | |
2223 | continue; | |
2224 | ||
2225 | found++; | |
2226 | ||
2227 | /* | |
2228 | * If address the same and state FCS_ONLINE, nothing | |
2229 | * changed. | |
2230 | */ | |
2231 | if (fcport->d_id.b24 == new_fcport->d_id.b24 && | |
2232 | atomic_read(&fcport->state) == FCS_ONLINE) { | |
2233 | break; | |
2234 | } | |
2235 | ||
2236 | /* | |
2237 | * If device was not a fabric device before. | |
2238 | */ | |
2239 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { | |
2240 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2241 | fcport->loop_id = FC_NO_LOOP_ID; | |
2242 | fcport->flags |= (FCF_FABRIC_DEVICE | | |
2243 | FCF_LOGIN_NEEDED); | |
2244 | fcport->flags &= ~FCF_PERSISTENT_BOUND; | |
2245 | break; | |
2246 | } | |
2247 | ||
2248 | /* | |
2249 | * Port ID changed or device was marked to be updated; | |
2250 | * Log it out if still logged in and mark it for | |
2251 | * relogin later. | |
2252 | */ | |
2253 | fcport->d_id.b24 = new_fcport->d_id.b24; | |
2254 | fcport->flags |= FCF_LOGIN_NEEDED; | |
2255 | if (fcport->loop_id != FC_NO_LOOP_ID && | |
2256 | (fcport->flags & FCF_TAPE_PRESENT) == 0 && | |
2257 | fcport->port_type != FCT_INITIATOR && | |
2258 | fcport->port_type != FCT_BROADCAST) { | |
abbd8870 | 2259 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
1da177e4 LT |
2260 | fcport->loop_id = FC_NO_LOOP_ID; |
2261 | } | |
2262 | ||
2263 | break; | |
2264 | } | |
2265 | ||
2266 | if (found) | |
2267 | continue; | |
2268 | ||
2269 | /* If device was not in our fcports list, then add it. */ | |
2270 | list_add_tail(&new_fcport->list, new_fcports); | |
2271 | ||
2272 | /* Allocate a new replacement fcport. */ | |
2273 | nxt_d_id.b24 = new_fcport->d_id.b24; | |
2274 | new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); | |
2275 | if (new_fcport == NULL) { | |
2276 | if (swl) | |
2277 | kfree(swl); | |
2278 | return (QLA_MEMORY_ALLOC_FAILED); | |
2279 | } | |
2280 | new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); | |
2281 | new_fcport->d_id.b24 = nxt_d_id.b24; | |
2282 | } | |
2283 | ||
2284 | if (swl) | |
2285 | kfree(swl); | |
2286 | ||
2287 | if (new_fcport) | |
2288 | kfree(new_fcport); | |
2289 | ||
2290 | if (!list_empty(new_fcports)) | |
2291 | ha->device_flags |= DFLG_FABRIC_DEVICES; | |
2292 | ||
2293 | return (rval); | |
2294 | } | |
2295 | ||
2296 | /* | |
2297 | * qla2x00_find_new_loop_id | |
2298 | * Scan through our port list and find a new usable loop ID. | |
2299 | * | |
2300 | * Input: | |
2301 | * ha: adapter state pointer. | |
2302 | * dev: port structure pointer. | |
2303 | * | |
2304 | * Returns: | |
2305 | * qla2x00 local function return status code. | |
2306 | * | |
2307 | * Context: | |
2308 | * Kernel context. | |
2309 | */ | |
2310 | int | |
2311 | qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) | |
2312 | { | |
2313 | int rval; | |
2314 | int found; | |
2315 | fc_port_t *fcport; | |
2316 | uint16_t first_loop_id; | |
2317 | ||
2318 | rval = QLA_SUCCESS; | |
2319 | ||
2320 | /* Save starting loop ID. */ | |
2321 | first_loop_id = dev->loop_id; | |
2322 | ||
2323 | for (;;) { | |
2324 | /* Skip loop ID if already used by adapter. */ | |
2325 | if (dev->loop_id == ha->loop_id) { | |
2326 | dev->loop_id++; | |
2327 | } | |
2328 | ||
2329 | /* Skip reserved loop IDs. */ | |
3d71644c | 2330 | while (qla2x00_is_reserved_id(ha, dev->loop_id)) { |
1da177e4 LT |
2331 | dev->loop_id++; |
2332 | } | |
2333 | ||
2334 | /* Reset loop ID if passed the end. */ | |
2335 | if (dev->loop_id > ha->last_loop_id) { | |
2336 | /* first loop ID. */ | |
2337 | dev->loop_id = ha->min_external_loopid; | |
2338 | } | |
2339 | ||
2340 | /* Check for loop ID being already in use. */ | |
2341 | found = 0; | |
2342 | fcport = NULL; | |
2343 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2344 | if (fcport->loop_id == dev->loop_id && fcport != dev) { | |
2345 | /* ID possibly in use */ | |
2346 | found++; | |
2347 | break; | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | /* If not in use then it is free to use. */ | |
2352 | if (!found) { | |
2353 | break; | |
2354 | } | |
2355 | ||
2356 | /* ID in use. Try next value. */ | |
2357 | dev->loop_id++; | |
2358 | ||
2359 | /* If wrap around. No free ID to use. */ | |
2360 | if (dev->loop_id == first_loop_id) { | |
2361 | dev->loop_id = FC_NO_LOOP_ID; | |
2362 | rval = QLA_FUNCTION_FAILED; | |
2363 | break; | |
2364 | } | |
2365 | } | |
2366 | ||
2367 | return (rval); | |
2368 | } | |
2369 | ||
2370 | /* | |
2371 | * qla2x00_device_resync | |
2372 | * Marks devices in the database that needs resynchronization. | |
2373 | * | |
2374 | * Input: | |
2375 | * ha = adapter block pointer. | |
2376 | * | |
2377 | * Context: | |
2378 | * Kernel context. | |
2379 | */ | |
2380 | static int | |
2381 | qla2x00_device_resync(scsi_qla_host_t *ha) | |
2382 | { | |
2383 | int rval; | |
2384 | int rval2; | |
2385 | uint32_t mask; | |
2386 | fc_port_t *fcport; | |
2387 | uint32_t rscn_entry; | |
2388 | uint8_t rscn_out_iter; | |
2389 | uint8_t format; | |
2390 | port_id_t d_id; | |
2391 | ||
2392 | rval = QLA_RSCNS_HANDLED; | |
2393 | ||
2394 | while (ha->rscn_out_ptr != ha->rscn_in_ptr || | |
2395 | ha->flags.rscn_queue_overflow) { | |
2396 | ||
2397 | rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; | |
2398 | format = MSB(MSW(rscn_entry)); | |
2399 | d_id.b.domain = LSB(MSW(rscn_entry)); | |
2400 | d_id.b.area = MSB(LSW(rscn_entry)); | |
2401 | d_id.b.al_pa = LSB(LSW(rscn_entry)); | |
2402 | ||
2403 | DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " | |
2404 | "[%02x/%02x%02x%02x].\n", | |
2405 | ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, | |
2406 | d_id.b.area, d_id.b.al_pa)); | |
2407 | ||
2408 | ha->rscn_out_ptr++; | |
2409 | if (ha->rscn_out_ptr == MAX_RSCN_COUNT) | |
2410 | ha->rscn_out_ptr = 0; | |
2411 | ||
2412 | /* Skip duplicate entries. */ | |
2413 | for (rscn_out_iter = ha->rscn_out_ptr; | |
2414 | !ha->flags.rscn_queue_overflow && | |
2415 | rscn_out_iter != ha->rscn_in_ptr; | |
2416 | rscn_out_iter = (rscn_out_iter == | |
2417 | (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { | |
2418 | ||
2419 | if (rscn_entry != ha->rscn_queue[rscn_out_iter]) | |
2420 | break; | |
2421 | ||
2422 | DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " | |
2423 | "entry found at [%d].\n", ha->host_no, | |
2424 | rscn_out_iter)); | |
2425 | ||
2426 | ha->rscn_out_ptr = rscn_out_iter; | |
2427 | } | |
2428 | ||
2429 | /* Queue overflow, set switch default case. */ | |
2430 | if (ha->flags.rscn_queue_overflow) { | |
2431 | DEBUG(printk("scsi(%ld): device_resync: rscn " | |
2432 | "overflow.\n", ha->host_no)); | |
2433 | ||
2434 | format = 3; | |
2435 | ha->flags.rscn_queue_overflow = 0; | |
2436 | } | |
2437 | ||
2438 | switch (format) { | |
2439 | case 0: | |
2440 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && | |
2441 | !IS_QLA6312(ha) && !IS_QLA6322(ha) && | |
2442 | ha->flags.init_done) { | |
2443 | /* Handle port RSCN via asyncronous IOCBs */ | |
2444 | rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, | |
2445 | NULL, 0); | |
2446 | if (rval2 == QLA_SUCCESS) | |
2447 | continue; | |
2448 | } | |
2449 | mask = 0xffffff; | |
2450 | break; | |
2451 | case 1: | |
2452 | mask = 0xffff00; | |
2453 | break; | |
2454 | case 2: | |
2455 | mask = 0xff0000; | |
2456 | break; | |
2457 | default: | |
2458 | mask = 0x0; | |
2459 | d_id.b24 = 0; | |
2460 | ha->rscn_out_ptr = ha->rscn_in_ptr; | |
2461 | break; | |
2462 | } | |
2463 | ||
2464 | rval = QLA_SUCCESS; | |
2465 | ||
2466 | /* Abort any outstanding IO descriptors. */ | |
2467 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) | |
2468 | qla2x00_cancel_io_descriptors(ha); | |
2469 | ||
2470 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2471 | if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || | |
2472 | (fcport->d_id.b24 & mask) != d_id.b24 || | |
2473 | fcport->port_type == FCT_BROADCAST) | |
2474 | continue; | |
2475 | ||
2476 | if (atomic_read(&fcport->state) == FCS_ONLINE) { | |
2477 | if (format != 3 || | |
2478 | fcport->port_type != FCT_INITIATOR) { | |
8482e118 | 2479 | qla2x00_mark_device_lost(ha, fcport, 0); |
1da177e4 LT |
2480 | } |
2481 | } | |
2482 | fcport->flags &= ~FCF_FARP_DONE; | |
2483 | } | |
2484 | } | |
2485 | return (rval); | |
2486 | } | |
2487 | ||
2488 | /* | |
2489 | * qla2x00_fabric_dev_login | |
2490 | * Login fabric target device and update FC port database. | |
2491 | * | |
2492 | * Input: | |
2493 | * ha: adapter state pointer. | |
2494 | * fcport: port structure list pointer. | |
2495 | * next_loopid: contains value of a new loop ID that can be used | |
2496 | * by the next login attempt. | |
2497 | * | |
2498 | * Returns: | |
2499 | * qla2x00 local function return status code. | |
2500 | * | |
2501 | * Context: | |
2502 | * Kernel context. | |
2503 | */ | |
2504 | static int | |
2505 | qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2506 | uint16_t *next_loopid) | |
2507 | { | |
2508 | int rval; | |
2509 | int retry; | |
2510 | ||
2511 | rval = QLA_SUCCESS; | |
2512 | retry = 0; | |
2513 | ||
2514 | rval = qla2x00_fabric_login(ha, fcport, next_loopid); | |
2515 | if (rval == QLA_SUCCESS) { | |
2516 | rval = qla2x00_get_port_database(ha, fcport, 0); | |
2517 | if (rval != QLA_SUCCESS) { | |
abbd8870 | 2518 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
1da177e4 LT |
2519 | } else { |
2520 | qla2x00_update_fcport(ha, fcport); | |
2521 | } | |
2522 | } | |
2523 | ||
2524 | return (rval); | |
2525 | } | |
2526 | ||
2527 | /* | |
2528 | * qla2x00_fabric_login | |
2529 | * Issue fabric login command. | |
2530 | * | |
2531 | * Input: | |
2532 | * ha = adapter block pointer. | |
2533 | * device = pointer to FC device type structure. | |
2534 | * | |
2535 | * Returns: | |
2536 | * 0 - Login successfully | |
2537 | * 1 - Login failed | |
2538 | * 2 - Initiator device | |
2539 | * 3 - Fatal error | |
2540 | */ | |
2541 | int | |
2542 | qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, | |
2543 | uint16_t *next_loopid) | |
2544 | { | |
2545 | int rval; | |
2546 | int retry; | |
2547 | uint16_t tmp_loopid; | |
2548 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2549 | ||
2550 | retry = 0; | |
2551 | tmp_loopid = 0; | |
2552 | ||
2553 | for (;;) { | |
2554 | DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " | |
2555 | "for port %02x%02x%02x.\n", | |
2556 | ha->host_no, fcport->loop_id, fcport->d_id.b.domain, | |
2557 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2558 | ||
2559 | /* Login fcport on switch. */ | |
abbd8870 | 2560 | ha->isp_ops.fabric_login(ha, fcport->loop_id, |
1da177e4 LT |
2561 | fcport->d_id.b.domain, fcport->d_id.b.area, |
2562 | fcport->d_id.b.al_pa, mb, BIT_0); | |
2563 | if (mb[0] == MBS_PORT_ID_USED) { | |
2564 | /* | |
2565 | * Device has another loop ID. The firmware team | |
2566 | * recommends us to perform an implicit login with the | |
2567 | * specified ID again. The ID we just used is save here | |
2568 | * so we return with an ID that can be tried by the | |
2569 | * next login. | |
2570 | */ | |
2571 | retry++; | |
2572 | tmp_loopid = fcport->loop_id; | |
2573 | fcport->loop_id = mb[1]; | |
2574 | ||
2575 | DEBUG(printk("Fabric Login: port in use - next " | |
2576 | "loop id=0x%04x, port Id=%02x%02x%02x.\n", | |
2577 | fcport->loop_id, fcport->d_id.b.domain, | |
2578 | fcport->d_id.b.area, fcport->d_id.b.al_pa)); | |
2579 | ||
2580 | } else if (mb[0] == MBS_COMMAND_COMPLETE) { | |
2581 | /* | |
2582 | * Login succeeded. | |
2583 | */ | |
2584 | if (retry) { | |
2585 | /* A retry occurred before. */ | |
2586 | *next_loopid = tmp_loopid; | |
2587 | } else { | |
2588 | /* | |
2589 | * No retry occurred before. Just increment the | |
2590 | * ID value for next login. | |
2591 | */ | |
2592 | *next_loopid = (fcport->loop_id + 1); | |
2593 | } | |
2594 | ||
2595 | if (mb[1] & BIT_0) { | |
2596 | fcport->port_type = FCT_INITIATOR; | |
2597 | } else { | |
2598 | fcport->port_type = FCT_TARGET; | |
2599 | if (mb[1] & BIT_1) { | |
2600 | fcport->flags |= FCF_TAPE_PRESENT; | |
2601 | } | |
2602 | } | |
2603 | ||
2604 | rval = QLA_SUCCESS; | |
2605 | break; | |
2606 | } else if (mb[0] == MBS_LOOP_ID_USED) { | |
2607 | /* | |
2608 | * Loop ID already used, try next loop ID. | |
2609 | */ | |
2610 | fcport->loop_id++; | |
2611 | rval = qla2x00_find_new_loop_id(ha, fcport); | |
2612 | if (rval != QLA_SUCCESS) { | |
2613 | /* Ran out of loop IDs to use */ | |
2614 | break; | |
2615 | } | |
2616 | } else if (mb[0] == MBS_COMMAND_ERROR) { | |
2617 | /* | |
2618 | * Firmware possibly timed out during login. If NO | |
2619 | * retries are left to do then the device is declared | |
2620 | * dead. | |
2621 | */ | |
2622 | *next_loopid = fcport->loop_id; | |
abbd8870 | 2623 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
1da177e4 LT |
2624 | qla2x00_mark_device_lost(ha, fcport, 1); |
2625 | ||
2626 | rval = 1; | |
2627 | break; | |
2628 | } else { | |
2629 | /* | |
2630 | * unrecoverable / not handled error | |
2631 | */ | |
2632 | DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " | |
2633 | "loop_id=%x jiffies=%lx.\n", | |
2634 | __func__, ha->host_no, mb[0], | |
2635 | fcport->d_id.b.domain, fcport->d_id.b.area, | |
2636 | fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); | |
2637 | ||
2638 | *next_loopid = fcport->loop_id; | |
abbd8870 | 2639 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
1da177e4 LT |
2640 | fcport->loop_id = FC_NO_LOOP_ID; |
2641 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); | |
2642 | ||
2643 | rval = 3; | |
2644 | break; | |
2645 | } | |
2646 | } | |
2647 | ||
2648 | return (rval); | |
2649 | } | |
2650 | ||
2651 | /* | |
2652 | * qla2x00_local_device_login | |
2653 | * Issue local device login command. | |
2654 | * | |
2655 | * Input: | |
2656 | * ha = adapter block pointer. | |
2657 | * loop_id = loop id of device to login to. | |
2658 | * | |
2659 | * Returns (Where's the #define!!!!): | |
2660 | * 0 - Login successfully | |
2661 | * 1 - Login failed | |
2662 | * 3 - Fatal error | |
2663 | */ | |
2664 | int | |
2665 | qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) | |
2666 | { | |
2667 | int rval; | |
2668 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2669 | ||
2670 | memset(mb, 0, sizeof(mb)); | |
2671 | rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); | |
2672 | if (rval == QLA_SUCCESS) { | |
2673 | /* Interrogate mailbox registers for any errors */ | |
2674 | if (mb[0] == MBS_COMMAND_ERROR) | |
2675 | rval = 1; | |
2676 | else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) | |
2677 | /* device not in PCB table */ | |
2678 | rval = 3; | |
2679 | } | |
2680 | ||
2681 | return (rval); | |
2682 | } | |
2683 | ||
2684 | /* | |
2685 | * qla2x00_loop_resync | |
2686 | * Resync with fibre channel devices. | |
2687 | * | |
2688 | * Input: | |
2689 | * ha = adapter block pointer. | |
2690 | * | |
2691 | * Returns: | |
2692 | * 0 = success | |
2693 | */ | |
2694 | int | |
2695 | qla2x00_loop_resync(scsi_qla_host_t *ha) | |
2696 | { | |
2697 | int rval; | |
2698 | uint32_t wait_time; | |
2699 | ||
2700 | rval = QLA_SUCCESS; | |
2701 | ||
2702 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
1da177e4 LT |
2703 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); |
2704 | if (ha->flags.online) { | |
2705 | if (!(rval = qla2x00_fw_ready(ha))) { | |
2706 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
2707 | wait_time = 256; | |
2708 | do { | |
2709 | /* v2.19.05b6 */ | |
2710 | atomic_set(&ha->loop_state, LOOP_UPDATE); | |
2711 | ||
2712 | /* | |
2713 | * Issue marker command only when we are going | |
2714 | * to start the I/O . | |
2715 | */ | |
2716 | ha->marker_needed = 1; | |
2717 | ||
2718 | /* Remap devices on Loop. */ | |
2719 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
2720 | ||
2721 | qla2x00_configure_loop(ha); | |
2722 | wait_time--; | |
2723 | } while (!atomic_read(&ha->loop_down_timer) && | |
2724 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
2725 | wait_time && | |
2726 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
2727 | } | |
1da177e4 LT |
2728 | } |
2729 | ||
2730 | if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { | |
2731 | return (QLA_FUNCTION_FAILED); | |
2732 | } | |
2733 | ||
2734 | if (rval) { | |
2735 | DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); | |
2736 | } | |
2737 | ||
2738 | return (rval); | |
2739 | } | |
2740 | ||
1da177e4 LT |
2741 | void |
2742 | qla2x00_rescan_fcports(scsi_qla_host_t *ha) | |
2743 | { | |
2744 | int rescan_done; | |
2745 | fc_port_t *fcport; | |
2746 | ||
2747 | rescan_done = 0; | |
2748 | list_for_each_entry(fcport, &ha->fcports, list) { | |
2749 | if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) | |
2750 | continue; | |
2751 | ||
2752 | qla2x00_update_fcport(ha, fcport); | |
2753 | fcport->flags &= ~FCF_RESCAN_NEEDED; | |
2754 | ||
2755 | rescan_done = 1; | |
2756 | } | |
2757 | qla2x00_probe_for_all_luns(ha); | |
1da177e4 LT |
2758 | } |
2759 | ||
2760 | /* | |
2761 | * qla2x00_abort_isp | |
2762 | * Resets ISP and aborts all outstanding commands. | |
2763 | * | |
2764 | * Input: | |
2765 | * ha = adapter block pointer. | |
2766 | * | |
2767 | * Returns: | |
2768 | * 0 = success | |
2769 | */ | |
2770 | int | |
2771 | qla2x00_abort_isp(scsi_qla_host_t *ha) | |
2772 | { | |
2773 | unsigned long flags = 0; | |
2774 | uint16_t cnt; | |
2775 | srb_t *sp; | |
2776 | uint8_t status = 0; | |
2777 | ||
2778 | if (ha->flags.online) { | |
2779 | ha->flags.online = 0; | |
2780 | clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); | |
1da177e4 LT |
2781 | |
2782 | qla_printk(KERN_INFO, ha, | |
2783 | "Performing ISP error recovery - ha= %p.\n", ha); | |
abbd8870 | 2784 | ha->isp_ops.reset_chip(ha); |
1da177e4 LT |
2785 | |
2786 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); | |
2787 | if (atomic_read(&ha->loop_state) != LOOP_DOWN) { | |
2788 | atomic_set(&ha->loop_state, LOOP_DOWN); | |
2789 | qla2x00_mark_all_devices_lost(ha); | |
2790 | } else { | |
2791 | if (!atomic_read(&ha->loop_down_timer)) | |
2792 | atomic_set(&ha->loop_down_timer, | |
2793 | LOOP_DOWN_TIME); | |
2794 | } | |
2795 | ||
2796 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2797 | /* Requeue all commands in outstanding command list. */ | |
2798 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
2799 | sp = ha->outstanding_cmds[cnt]; | |
2800 | if (sp) { | |
2801 | ha->outstanding_cmds[cnt] = NULL; | |
1da177e4 | 2802 | sp->flags = 0; |
f4f051eb | 2803 | sp->cmd->result = DID_RESET << 16; |
1da177e4 | 2804 | sp->cmd->host_scribble = (unsigned char *)NULL; |
f4f051eb | 2805 | qla2x00_sp_compl(ha, sp); |
1da177e4 LT |
2806 | } |
2807 | } | |
2808 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2809 | ||
abbd8870 | 2810 | ha->isp_ops.nvram_config(ha); |
1da177e4 LT |
2811 | |
2812 | if (!qla2x00_restart_isp(ha)) { | |
2813 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2814 | ||
2815 | if (!atomic_read(&ha->loop_down_timer)) { | |
2816 | /* | |
2817 | * Issue marker command only when we are going | |
2818 | * to start the I/O . | |
2819 | */ | |
2820 | ha->marker_needed = 1; | |
2821 | } | |
2822 | ||
2823 | ha->flags.online = 1; | |
2824 | ||
abbd8870 | 2825 | ha->isp_ops.enable_intrs(ha); |
1da177e4 | 2826 | |
1da177e4 LT |
2827 | ha->isp_abort_cnt = 0; |
2828 | clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
2829 | } else { /* failed the ISP abort */ | |
2830 | ha->flags.online = 1; | |
2831 | if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { | |
2832 | if (ha->isp_abort_cnt == 0) { | |
2833 | qla_printk(KERN_WARNING, ha, | |
2834 | "ISP error recovery failed - " | |
2835 | "board disabled\n"); | |
2836 | /* | |
2837 | * The next call disables the board | |
2838 | * completely. | |
2839 | */ | |
abbd8870 | 2840 | ha->isp_ops.reset_adapter(ha); |
1da177e4 LT |
2841 | ha->flags.online = 0; |
2842 | clear_bit(ISP_ABORT_RETRY, | |
2843 | &ha->dpc_flags); | |
2844 | status = 0; | |
2845 | } else { /* schedule another ISP abort */ | |
2846 | ha->isp_abort_cnt--; | |
2847 | DEBUG(printk("qla%ld: ISP abort - " | |
2848 | "retry remainning %d\n", | |
2849 | ha->host_no, ha->isp_abort_cnt);) | |
2850 | status = 1; | |
2851 | } | |
2852 | } else { | |
2853 | ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; | |
2854 | DEBUG(printk("qla2x00(%ld): ISP error recovery " | |
2855 | "- retrying (%d) more times\n", | |
2856 | ha->host_no, ha->isp_abort_cnt);) | |
2857 | set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); | |
2858 | status = 1; | |
2859 | } | |
2860 | } | |
2861 | ||
2862 | } | |
2863 | ||
2864 | if (status) { | |
2865 | qla_printk(KERN_INFO, ha, | |
2866 | "qla2x00_abort_isp: **** FAILED ****\n"); | |
2867 | } else { | |
2868 | DEBUG(printk(KERN_INFO | |
2869 | "qla2x00_abort_isp(%ld): exiting.\n", | |
2870 | ha->host_no);) | |
2871 | } | |
2872 | ||
2873 | return(status); | |
2874 | } | |
2875 | ||
2876 | /* | |
2877 | * qla2x00_restart_isp | |
2878 | * restarts the ISP after a reset | |
2879 | * | |
2880 | * Input: | |
2881 | * ha = adapter block pointer. | |
2882 | * | |
2883 | * Returns: | |
2884 | * 0 = success | |
2885 | */ | |
2886 | static int | |
2887 | qla2x00_restart_isp(scsi_qla_host_t *ha) | |
2888 | { | |
2889 | uint8_t status = 0; | |
3d71644c | 2890 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
2891 | unsigned long flags = 0; |
2892 | uint32_t wait_time; | |
2893 | ||
2894 | /* If firmware needs to be loaded */ | |
2895 | if (qla2x00_isp_firmware(ha)) { | |
2896 | ha->flags.online = 0; | |
abbd8870 | 2897 | if (!(status = ha->isp_ops.chip_diag(ha))) { |
1da177e4 LT |
2898 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
2899 | status = qla2x00_setup_chip(ha); | |
2900 | goto done; | |
2901 | } | |
2902 | ||
1da177e4 LT |
2903 | spin_lock_irqsave(&ha->hardware_lock, flags); |
2904 | ||
2905 | /* Disable SRAM, Instruction RAM and GP RAM parity. */ | |
2906 | WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); | |
2907 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2908 | ||
2909 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2910 | ||
2911 | status = qla2x00_setup_chip(ha); | |
2912 | ||
2913 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2914 | ||
2915 | /* Enable proper parity */ | |
2916 | if (IS_QLA2300(ha)) | |
2917 | /* SRAM parity */ | |
2918 | WRT_REG_WORD(®->hccr, | |
2919 | (HCCR_ENABLE_PARITY + 0x1)); | |
2920 | else | |
2921 | /* SRAM, Instruction RAM and GP RAM parity */ | |
2922 | WRT_REG_WORD(®->hccr, | |
2923 | (HCCR_ENABLE_PARITY + 0x7)); | |
2924 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2925 | ||
2926 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2927 | } | |
2928 | } | |
2929 | ||
2930 | done: | |
2931 | if (!status && !(status = qla2x00_init_rings(ha))) { | |
2932 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); | |
2933 | if (!(status = qla2x00_fw_ready(ha))) { | |
2934 | DEBUG(printk("%s(): Start configure loop, " | |
2935 | "status = %d\n", | |
2936 | __func__, | |
2937 | status);) | |
2938 | ha->flags.online = 1; | |
2939 | /* Wait at most MAX_TARGET RSCNs for a stable link. */ | |
2940 | wait_time = 256; | |
2941 | do { | |
2942 | clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); | |
2943 | qla2x00_configure_loop(ha); | |
2944 | wait_time--; | |
2945 | } while (!atomic_read(&ha->loop_down_timer) && | |
2946 | !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && | |
2947 | wait_time && | |
2948 | (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); | |
2949 | } | |
2950 | ||
2951 | /* if no cable then assume it's good */ | |
2952 | if ((ha->device_flags & DFLG_NO_CABLE)) | |
2953 | status = 0; | |
2954 | ||
2955 | DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", | |
2956 | __func__, | |
2957 | status);) | |
2958 | } | |
2959 | return (status); | |
2960 | } | |
2961 | ||
2962 | /* | |
2963 | * qla2x00_reset_adapter | |
2964 | * Reset adapter. | |
2965 | * | |
2966 | * Input: | |
2967 | * ha = adapter block pointer. | |
2968 | */ | |
abbd8870 | 2969 | void |
1da177e4 LT |
2970 | qla2x00_reset_adapter(scsi_qla_host_t *ha) |
2971 | { | |
2972 | unsigned long flags = 0; | |
3d71644c | 2973 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
1da177e4 LT |
2974 | |
2975 | ha->flags.online = 0; | |
abbd8870 | 2976 | ha->isp_ops.disable_intrs(ha); |
1da177e4 LT |
2977 | |
2978 | /* Reset RISC processor. */ | |
2979 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
2980 | WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); | |
2981 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2982 | WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); | |
2983 | RD_REG_WORD(®->hccr); /* PCI Posting. */ | |
2984 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
2985 | } |