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Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
[wrt350n-kernel.git] / drivers / scsi / qla2xxx / qla_init.c
blob9758dba9554247b7c979953a7864fdcad5d02aac
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11
12 #include "qla_devtbl.h"
13
14 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15 #ifndef EXT_IS_LUN_BIT_SET
16 #define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18 #define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20 #endif
21
22 /*
23 * QLogic ISP2x00 Hardware Support Function Prototypes.
24 */
25 static int qla2x00_isp_firmware(scsi_qla_host_t *);
26 static void qla2x00_resize_request_q(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29 static int qla2x00_init_rings(scsi_qla_host_t *);
30 static int qla2x00_fw_ready(scsi_qla_host_t *);
31 static int qla2x00_configure_hba(scsi_qla_host_t *);
32 static int qla2x00_configure_loop(scsi_qla_host_t *);
33 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
34 static int qla2x00_configure_fabric(scsi_qla_host_t *);
35 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36 static int qla2x00_device_resync(scsi_qla_host_t *);
37 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
39
40 static int qla2x00_restart_isp(scsi_qla_host_t *);
41
42 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
43
44 /****************************************************************************/
45 /* QLogic ISP2x00 Hardware Support Functions. */
46 /****************************************************************************/
47
48 /*
49 * qla2x00_initialize_adapter
50 * Initialize board.
51 *
52 * Input:
53 * ha = adapter block pointer.
54 *
55 * Returns:
56 * 0 = success
57 */
58 int
59 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
60 {
61 int rval;
62 uint8_t restart_risc = 0;
63 uint8_t retry;
64 uint32_t wait_time;
65
66 /* Clear adapter flags. */
67 ha->flags.online = 0;
68 ha->flags.reset_active = 0;
69 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
70 atomic_set(&ha->loop_state, LOOP_DOWN);
71 ha->device_flags = 0;
72 ha->dpc_flags = 0;
73 ha->flags.management_server_logged_in = 0;
74 ha->marker_needed = 0;
75 ha->mbx_flags = 0;
76 ha->isp_abort_cnt = 0;
77 ha->beacon_blink_led = 0;
78 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
79
80 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
81 rval = ha->isp_ops.pci_config(ha);
82 if (rval) {
83 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
84 ha->host_no));
85 return (rval);
86 }
87
88 ha->isp_ops.reset_chip(ha);
89
90 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
91
92 ha->isp_ops.nvram_config(ha);
93
94 if (ha->flags.disable_serdes) {
95 /* Mask HBA via NVRAM settings? */
96 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
97 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
98 ha->port_name[0], ha->port_name[1],
99 ha->port_name[2], ha->port_name[3],
100 ha->port_name[4], ha->port_name[5],
101 ha->port_name[6], ha->port_name[7]);
102 return QLA_FUNCTION_FAILED;
103 }
104
105 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
106
107 retry = 10;
108 /*
109 * Try to configure the loop.
110 */
111 do {
112 restart_risc = 0;
113
114 /* If firmware needs to be loaded */
115 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
116 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
117 rval = qla2x00_setup_chip(ha);
118 }
119 }
120
121 if (rval == QLA_SUCCESS &&
122 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
123 check_fw_ready_again:
124 /*
125 * Wait for a successful LIP up to a maximum
126 * of (in seconds): RISC login timeout value,
127 * RISC retry count value, and port down retry
128 * value OR a minimum of 4 seconds OR If no
129 * cable, only 5 seconds.
130 */
131 rval = qla2x00_fw_ready(ha);
132 if (rval == QLA_SUCCESS) {
133 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
134
135 /* Issue a marker after FW becomes ready. */
136 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
137
138 /*
139 * Wait at most MAX_TARGET RSCNs for a stable
140 * link.
141 */
142 wait_time = 256;
143 do {
144 clear_bit(LOOP_RESYNC_NEEDED,
145 &ha->dpc_flags);
146 rval = qla2x00_configure_loop(ha);
147
148 if (test_and_clear_bit(ISP_ABORT_NEEDED,
149 &ha->dpc_flags)) {
150 restart_risc = 1;
151 break;
152 }
153
154 /*
155 * If loop state change while we were
156 * discoverying devices then wait for
157 * LIP to complete
158 */
159
160 if (atomic_read(&ha->loop_state) !=
161 LOOP_READY && retry--) {
162 goto check_fw_ready_again;
163 }
164 wait_time--;
165 } while (!atomic_read(&ha->loop_down_timer) &&
166 retry &&
167 wait_time &&
168 (test_bit(LOOP_RESYNC_NEEDED,
169 &ha->dpc_flags)));
170
171 if (wait_time == 0)
172 rval = QLA_FUNCTION_FAILED;
173 } else if (ha->device_flags & DFLG_NO_CABLE)
174 /* If no cable, then all is good. */
175 rval = QLA_SUCCESS;
176 }
177 } while (restart_risc && retry--);
178
179 if (rval == QLA_SUCCESS) {
180 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
181 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
182 ha->marker_needed = 0;
183
184 ha->flags.online = 1;
185 } else {
186 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
187 }
188
189 return (rval);
190 }
191
192 /**
193 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
194 * @ha: HA context
195 *
196 * Returns 0 on success.
197 */
198 int
199 qla2100_pci_config(scsi_qla_host_t *ha)
200 {
201 uint16_t w, mwi;
202 uint32_t d;
203 unsigned long flags;
204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
205
206 pci_set_master(ha->pdev);
207 mwi = 0;
208 if (pci_set_mwi(ha->pdev))
209 mwi = PCI_COMMAND_INVALIDATE;
210
211 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
212 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
213 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
214
215 /* Reset expansion ROM address decode enable */
216 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
217 d &= ~PCI_ROM_ADDRESS_ENABLE;
218 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
219
220 /* Get PCI bus information. */
221 spin_lock_irqsave(&ha->hardware_lock, flags);
222 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
223 spin_unlock_irqrestore(&ha->hardware_lock, flags);
224
225 return QLA_SUCCESS;
226 }
227
228 /**
229 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
230 * @ha: HA context
231 *
232 * Returns 0 on success.
233 */
234 int
235 qla2300_pci_config(scsi_qla_host_t *ha)
236 {
237 uint16_t w, mwi;
238 uint32_t d;
239 unsigned long flags = 0;
240 uint32_t cnt;
241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
242
243 pci_set_master(ha->pdev);
244 mwi = 0;
245 if (pci_set_mwi(ha->pdev))
246 mwi = PCI_COMMAND_INVALIDATE;
247
248 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
249 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
250
251 if (IS_QLA2322(ha) || IS_QLA6322(ha))
252 w &= ~PCI_COMMAND_INTX_DISABLE;
253
254 /*
255 * If this is a 2300 card and not 2312, reset the
256 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
257 * the 2310 also reports itself as a 2300 so we need to get the
258 * fb revision level -- a 6 indicates it really is a 2300 and
259 * not a 2310.
260 */
261 if (IS_QLA2300(ha)) {
262 spin_lock_irqsave(&ha->hardware_lock, flags);
263
264 /* Pause RISC. */
265 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
266 for (cnt = 0; cnt < 30000; cnt++) {
267 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
268 break;
269
270 udelay(10);
271 }
272
273 /* Select FPM registers. */
274 WRT_REG_WORD(&reg->ctrl_status, 0x20);
275 RD_REG_WORD(&reg->ctrl_status);
276
277 /* Get the fb rev level */
278 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
279
280 if (ha->fb_rev == FPM_2300)
281 w &= ~PCI_COMMAND_INVALIDATE;
282
283 /* Deselect FPM registers. */
284 WRT_REG_WORD(&reg->ctrl_status, 0x0);
285 RD_REG_WORD(&reg->ctrl_status);
286
287 /* Release RISC module. */
288 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
289 for (cnt = 0; cnt < 30000; cnt++) {
290 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
291 break;
292
293 udelay(10);
294 }
295
296 spin_unlock_irqrestore(&ha->hardware_lock, flags);
297 }
298 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
299
300 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
301
302 /* Reset expansion ROM address decode enable */
303 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
304 d &= ~PCI_ROM_ADDRESS_ENABLE;
305 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
306
307 /* Get PCI bus information. */
308 spin_lock_irqsave(&ha->hardware_lock, flags);
309 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
310 spin_unlock_irqrestore(&ha->hardware_lock, flags);
311
312 return QLA_SUCCESS;
313 }
314
315 /**
316 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
317 * @ha: HA context
318 *
319 * Returns 0 on success.
320 */
321 int
322 qla24xx_pci_config(scsi_qla_host_t *ha)
323 {
324 uint16_t w, mwi;
325 uint32_t d;
326 unsigned long flags = 0;
327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
328 int pcix_cmd_reg, pcie_dctl_reg;
329
330 pci_set_master(ha->pdev);
331 mwi = 0;
332 if (pci_set_mwi(ha->pdev))
333 mwi = PCI_COMMAND_INVALIDATE;
334
335 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
336 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
337 w &= ~PCI_COMMAND_INTX_DISABLE;
338 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
339
340 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
341
342 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
343 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
344 if (pcix_cmd_reg) {
345 uint16_t pcix_cmd;
346
347 pcix_cmd_reg += PCI_X_CMD;
348 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
349 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
350 pcix_cmd |= 0x0008;
351 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
352 }
353
354 /* PCIe -- adjust Maximum Read Request Size (2048). */
355 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
356 if (pcie_dctl_reg) {
357 uint16_t pcie_dctl;
358
359 pcie_dctl_reg += PCI_EXP_DEVCTL;
360 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
361 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
362 pcie_dctl |= 0x4000;
363 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
364 }
365
366 /* Reset expansion ROM address decode enable */
367 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
368 d &= ~PCI_ROM_ADDRESS_ENABLE;
369 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
370
371 /* Get PCI bus information. */
372 spin_lock_irqsave(&ha->hardware_lock, flags);
373 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
374 spin_unlock_irqrestore(&ha->hardware_lock, flags);
375
376 return QLA_SUCCESS;
377 }
378
379 /**
380 * qla2x00_isp_firmware() - Choose firmware image.
381 * @ha: HA context
382 *
383 * Returns 0 on success.
384 */
385 static int
386 qla2x00_isp_firmware(scsi_qla_host_t *ha)
387 {
388 int rval;
389
390 /* Assume loading risc code */
391 rval = QLA_FUNCTION_FAILED;
392
393 if (ha->flags.disable_risc_code_load) {
394 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
395 ha->host_no));
396 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
397
398 /* Verify checksum of loaded RISC code. */
399 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
400 }
401
402 if (rval) {
403 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
404 ha->host_no));
405 }
406
407 return (rval);
408 }
409
410 /**
411 * qla2x00_reset_chip() - Reset ISP chip.
412 * @ha: HA context
413 *
414 * Returns 0 on success.
415 */
416 void
417 qla2x00_reset_chip(scsi_qla_host_t *ha)
418 {
419 unsigned long flags = 0;
420 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
421 uint32_t cnt;
422 uint16_t cmd;
423
424 ha->isp_ops.disable_intrs(ha);
425
426 spin_lock_irqsave(&ha->hardware_lock, flags);
427
428 /* Turn off master enable */
429 cmd = 0;
430 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
431 cmd &= ~PCI_COMMAND_MASTER;
432 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
433
434 if (!IS_QLA2100(ha)) {
435 /* Pause RISC. */
436 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
437 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
438 for (cnt = 0; cnt < 30000; cnt++) {
439 if ((RD_REG_WORD(&reg->hccr) &
440 HCCR_RISC_PAUSE) != 0)
441 break;
442 udelay(100);
443 }
444 } else {
445 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
446 udelay(10);
447 }
448
449 /* Select FPM registers. */
450 WRT_REG_WORD(&reg->ctrl_status, 0x20);
451 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
452
453 /* FPM Soft Reset. */
454 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
455 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
456
457 /* Toggle Fpm Reset. */
458 if (!IS_QLA2200(ha)) {
459 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
460 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
461 }
462
463 /* Select frame buffer registers. */
464 WRT_REG_WORD(&reg->ctrl_status, 0x10);
465 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
466
467 /* Reset frame buffer FIFOs. */
468 if (IS_QLA2200(ha)) {
469 WRT_FB_CMD_REG(ha, reg, 0xa000);
470 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
471 } else {
472 WRT_FB_CMD_REG(ha, reg, 0x00fc);
473
474 /* Read back fb_cmd until zero or 3 seconds max */
475 for (cnt = 0; cnt < 3000; cnt++) {
476 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
477 break;
478 udelay(100);
479 }
480 }
481
482 /* Select RISC module registers. */
483 WRT_REG_WORD(&reg->ctrl_status, 0);
484 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
485
486 /* Reset RISC processor. */
487 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489
490 /* Release RISC processor. */
491 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
492 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
493 }
494
495 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
496 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
497
498 /* Reset ISP chip. */
499 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
500
501 /* Wait for RISC to recover from reset. */
502 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
503 /*
504 * It is necessary to for a delay here since the card doesn't
505 * respond to PCI reads during a reset. On some architectures
506 * this will result in an MCA.
507 */
508 udelay(20);
509 for (cnt = 30000; cnt; cnt--) {
510 if ((RD_REG_WORD(&reg->ctrl_status) &
511 CSR_ISP_SOFT_RESET) == 0)
512 break;
513 udelay(100);
514 }
515 } else
516 udelay(10);
517
518 /* Reset RISC processor. */
519 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
520
521 WRT_REG_WORD(&reg->semaphore, 0);
522
523 /* Release RISC processor. */
524 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
525 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
526
527 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
528 for (cnt = 0; cnt < 30000; cnt++) {
529 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
530 break;
531
532 udelay(100);
533 }
534 } else
535 udelay(100);
536
537 /* Turn on master enable */
538 cmd |= PCI_COMMAND_MASTER;
539 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
540
541 /* Disable RISC pause on FPM parity error. */
542 if (!IS_QLA2100(ha)) {
543 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
544 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
545 }
546
547 spin_unlock_irqrestore(&ha->hardware_lock, flags);
548 }
549
550 /**
551 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
552 * @ha: HA context
553 *
554 * Returns 0 on success.
555 */
556 static inline void
557 qla24xx_reset_risc(scsi_qla_host_t *ha)
558 {
559 unsigned long flags = 0;
560 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
561 uint32_t cnt, d2;
562 uint16_t wd;
563
564 spin_lock_irqsave(&ha->hardware_lock, flags);
565
566 /* Reset RISC. */
567 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
568 for (cnt = 0; cnt < 30000; cnt++) {
569 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
570 break;
571
572 udelay(10);
573 }
574
575 WRT_REG_DWORD(&reg->ctrl_status,
576 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
577 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
578
579 udelay(100);
580 /* Wait for firmware to complete NVRAM accesses. */
581 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
582 for (cnt = 10000 ; cnt && d2; cnt--) {
583 udelay(5);
584 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
585 barrier();
586 }
587
588 /* Wait for soft-reset to complete. */
589 d2 = RD_REG_DWORD(&reg->ctrl_status);
590 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
591 udelay(5);
592 d2 = RD_REG_DWORD(&reg->ctrl_status);
593 barrier();
594 }
595
596 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
597 RD_REG_DWORD(&reg->hccr);
598
599 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
600 RD_REG_DWORD(&reg->hccr);
601
602 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
603 RD_REG_DWORD(&reg->hccr);
604
605 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
606 for (cnt = 6000000 ; cnt && d2; cnt--) {
607 udelay(5);
608 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
609 barrier();
610 }
611
612 spin_unlock_irqrestore(&ha->hardware_lock, flags);
613 }
614
615 /**
616 * qla24xx_reset_chip() - Reset ISP24xx chip.
617 * @ha: HA context
618 *
619 * Returns 0 on success.
620 */
621 void
622 qla24xx_reset_chip(scsi_qla_host_t *ha)
623 {
624 ha->isp_ops.disable_intrs(ha);
625
626 /* Perform RISC reset. */
627 qla24xx_reset_risc(ha);
628 }
629
630 /**
631 * qla2x00_chip_diag() - Test chip for proper operation.
632 * @ha: HA context
633 *
634 * Returns 0 on success.
635 */
636 int
637 qla2x00_chip_diag(scsi_qla_host_t *ha)
638 {
639 int rval;
640 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
641 unsigned long flags = 0;
642 uint16_t data;
643 uint32_t cnt;
644 uint16_t mb[5];
645
646 /* Assume a failed state */
647 rval = QLA_FUNCTION_FAILED;
648
649 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
650 ha->host_no, (u_long)&reg->flash_address));
651
652 spin_lock_irqsave(&ha->hardware_lock, flags);
653
654 /* Reset ISP chip. */
655 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
656
657 /*
658 * We need to have a delay here since the card will not respond while
659 * in reset causing an MCA on some architectures.
660 */
661 udelay(20);
662 data = qla2x00_debounce_register(&reg->ctrl_status);
663 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
664 udelay(5);
665 data = RD_REG_WORD(&reg->ctrl_status);
666 barrier();
667 }
668
669 if (!cnt)
670 goto chip_diag_failed;
671
672 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
673 ha->host_no));
674
675 /* Reset RISC processor. */
676 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
677 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
678
679 /* Workaround for QLA2312 PCI parity error */
680 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
681 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
682 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
683 udelay(5);
684 data = RD_MAILBOX_REG(ha, reg, 0);
685 barrier();
686 }
687 } else
688 udelay(10);
689
690 if (!cnt)
691 goto chip_diag_failed;
692
693 /* Check product ID of chip */
694 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
695
696 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
697 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
698 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
699 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
700 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
701 mb[3] != PROD_ID_3) {
702 qla_printk(KERN_WARNING, ha,
703 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
704
705 goto chip_diag_failed;
706 }
707 ha->product_id[0] = mb[1];
708 ha->product_id[1] = mb[2];
709 ha->product_id[2] = mb[3];
710 ha->product_id[3] = mb[4];
711
712 /* Adjust fw RISC transfer size */
713 if (ha->request_q_length > 1024)
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
715 else
716 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
717 ha->request_q_length;
718
719 if (IS_QLA2200(ha) &&
720 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
721 /* Limit firmware transfer size with a 2200A */
722 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
723 ha->host_no));
724
725 ha->device_type |= DT_ISP2200A;
726 ha->fw_transfer_size = 128;
727 }
728
729 /* Wrap Incoming Mailboxes Test. */
730 spin_unlock_irqrestore(&ha->hardware_lock, flags);
731
732 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
733 rval = qla2x00_mbx_reg_test(ha);
734 if (rval) {
735 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
736 ha->host_no));
737 qla_printk(KERN_WARNING, ha,
738 "Failed mailbox send register test\n");
739 }
740 else {
741 /* Flag a successful rval */
742 rval = QLA_SUCCESS;
743 }
744 spin_lock_irqsave(&ha->hardware_lock, flags);
745
746 chip_diag_failed:
747 if (rval)
748 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
749 "****\n", ha->host_no));
750
751 spin_unlock_irqrestore(&ha->hardware_lock, flags);
752
753 return (rval);
754 }
755
756 /**
757 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
758 * @ha: HA context
759 *
760 * Returns 0 on success.
761 */
762 int
763 qla24xx_chip_diag(scsi_qla_host_t *ha)
764 {
765 int rval;
766
767 /* Perform RISC reset. */
768 qla24xx_reset_risc(ha);
769
770 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
771
772 rval = qla2x00_mbx_reg_test(ha);
773 if (rval) {
774 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
775 ha->host_no));
776 qla_printk(KERN_WARNING, ha,
777 "Failed mailbox send register test\n");
778 } else {
779 /* Flag a successful rval */
780 rval = QLA_SUCCESS;
781 }
782
783 return rval;
784 }
785
786 void
787 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
788 {
789 int rval;
790 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
791 eft_size;
792 dma_addr_t eft_dma;
793 void *eft;
794
795 if (ha->fw_dump) {
796 qla_printk(KERN_WARNING, ha,
797 "Firmware dump previously allocated.\n");
798 return;
799 }
800
801 ha->fw_dumped = 0;
802 fixed_size = mem_size = eft_size = 0;
803 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
804 fixed_size = sizeof(struct qla2100_fw_dump);
805 } else if (IS_QLA23XX(ha)) {
806 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
807 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
808 sizeof(uint16_t);
809 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
810 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
811 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
812 sizeof(uint32_t);
813
814 /* Allocate memory for Extended Trace Buffer. */
815 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
816 GFP_KERNEL);
817 if (!eft) {
818 qla_printk(KERN_WARNING, ha, "Unable to allocate "
819 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
820 goto cont_alloc;
821 }
822
823 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
824 EFT_NUM_BUFFERS);
825 if (rval) {
826 qla_printk(KERN_WARNING, ha, "Unable to initialize "
827 "EFT (%d).\n", rval);
828 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
829 eft_dma);
830 goto cont_alloc;
831 }
832
833 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
834 EFT_SIZE / 1024);
835
836 eft_size = EFT_SIZE;
837 memset(eft, 0, eft_size);
838 ha->eft_dma = eft_dma;
839 ha->eft = eft;
840 }
841 cont_alloc:
842 req_q_size = ha->request_q_length * sizeof(request_t);
843 rsp_q_size = ha->response_q_length * sizeof(response_t);
844
845 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
846 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
847 eft_size;
848
849 ha->fw_dump = vmalloc(dump_size);
850 if (!ha->fw_dump) {
851 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
852 "firmware dump!!!\n", dump_size / 1024);
853
854 if (ha->eft) {
855 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
856 ha->eft_dma);
857 ha->eft = NULL;
858 ha->eft_dma = 0;
859 }
860 return;
861 }
862
863 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
864 dump_size / 1024);
865
866 ha->fw_dump_len = dump_size;
867 ha->fw_dump->signature[0] = 'Q';
868 ha->fw_dump->signature[1] = 'L';
869 ha->fw_dump->signature[2] = 'G';
870 ha->fw_dump->signature[3] = 'C';
871 ha->fw_dump->version = __constant_htonl(1);
872
873 ha->fw_dump->fixed_size = htonl(fixed_size);
874 ha->fw_dump->mem_size = htonl(mem_size);
875 ha->fw_dump->req_q_size = htonl(req_q_size);
876 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
877
878 ha->fw_dump->eft_size = htonl(eft_size);
879 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
880 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
881
882 ha->fw_dump->header_size =
883 htonl(offsetof(struct qla2xxx_fw_dump, isp));
884 }
885
886 /**
887 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
888 * @ha: HA context
889 *
890 * Returns 0 on success.
891 */
892 static void
893 qla2x00_resize_request_q(scsi_qla_host_t *ha)
894 {
895 int rval;
896 uint16_t fw_iocb_cnt = 0;
897 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
898 dma_addr_t request_dma;
899 request_t *request_ring;
900
901 /* Valid only on recent ISPs. */
902 if (IS_QLA2100(ha) || IS_QLA2200(ha))
903 return;
904
905 /* Retrieve IOCB counts available to the firmware. */
906 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
907 if (rval)
908 return;
909 /* No point in continuing if current settings are sufficient. */
910 if (fw_iocb_cnt < 1024)
911 return;
912 if (ha->request_q_length >= request_q_length)
913 return;
914
915 /* Attempt to claim larger area for request queue. */
916 request_ring = dma_alloc_coherent(&ha->pdev->dev,
917 (request_q_length + 1) * sizeof(request_t), &request_dma,
918 GFP_KERNEL);
919 if (request_ring == NULL)
920 return;
921
922 /* Resize successful, report extensions. */
923 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
924 (ha->fw_memory_size + 1) / 1024);
925 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
926 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
927
928 /* Clear old allocations. */
929 dma_free_coherent(&ha->pdev->dev,
930 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
931 ha->request_dma);
932
933 /* Begin using larger queue. */
934 ha->request_q_length = request_q_length;
935 ha->request_ring = request_ring;
936 ha->request_dma = request_dma;
937 }
938
939 /**
940 * qla2x00_setup_chip() - Load and start RISC firmware.
941 * @ha: HA context
942 *
943 * Returns 0 on success.
944 */
945 static int
946 qla2x00_setup_chip(scsi_qla_host_t *ha)
947 {
948 int rval;
949 uint32_t srisc_address = 0;
950
951 /* Load firmware sequences */
952 rval = ha->isp_ops.load_risc(ha, &srisc_address);
953 if (rval == QLA_SUCCESS) {
954 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
955 "code.\n", ha->host_no));
956
957 rval = qla2x00_verify_checksum(ha, srisc_address);
958 if (rval == QLA_SUCCESS) {
959 /* Start firmware execution. */
960 DEBUG(printk("scsi(%ld): Checksum OK, start "
961 "firmware.\n", ha->host_no));
962
963 rval = qla2x00_execute_fw(ha, srisc_address);
964 /* Retrieve firmware information. */
965 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
966 qla2x00_get_fw_version(ha,
967 &ha->fw_major_version,
968 &ha->fw_minor_version,
969 &ha->fw_subminor_version,
970 &ha->fw_attributes, &ha->fw_memory_size);
971 qla2x00_resize_request_q(ha);
972
973 if (ql2xallocfwdump)
974 qla2x00_alloc_fw_dump(ha);
975 }
976 } else {
977 DEBUG2(printk(KERN_INFO
978 "scsi(%ld): ISP Firmware failed checksum.\n",
979 ha->host_no));
980 }
981 }
982
983 if (rval) {
984 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
985 ha->host_no));
986 }
987
988 return (rval);
989 }
990
991 /**
992 * qla2x00_init_response_q_entries() - Initializes response queue entries.
993 * @ha: HA context
994 *
995 * Beginning of request ring has initialization control block already built
996 * by nvram config routine.
997 *
998 * Returns 0 on success.
999 */
1000 static void
1001 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1002 {
1003 uint16_t cnt;
1004 response_t *pkt;
1005
1006 pkt = ha->response_ring_ptr;
1007 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1008 pkt->signature = RESPONSE_PROCESSED;
1009 pkt++;
1010 }
1011
1012 }
1013
1014 /**
1015 * qla2x00_update_fw_options() - Read and process firmware options.
1016 * @ha: HA context
1017 *
1018 * Returns 0 on success.
1019 */
1020 void
1021 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1022 {
1023 uint16_t swing, emphasis, tx_sens, rx_sens;
1024
1025 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1026 qla2x00_get_fw_options(ha, ha->fw_options);
1027
1028 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1029 return;
1030
1031 /* Serial Link options. */
1032 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1033 ha->host_no));
1034 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1035 sizeof(ha->fw_seriallink_options)));
1036
1037 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1038 if (ha->fw_seriallink_options[3] & BIT_2) {
1039 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1040
1041 /* 1G settings */
1042 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1043 emphasis = (ha->fw_seriallink_options[2] &
1044 (BIT_4 | BIT_3)) >> 3;
1045 tx_sens = ha->fw_seriallink_options[0] &
1046 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1047 rx_sens = (ha->fw_seriallink_options[0] &
1048 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1049 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1050 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1051 if (rx_sens == 0x0)
1052 rx_sens = 0x3;
1053 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1054 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1055 ha->fw_options[10] |= BIT_5 |
1056 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1057 (tx_sens & (BIT_1 | BIT_0));
1058
1059 /* 2G settings */
1060 swing = (ha->fw_seriallink_options[2] &
1061 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1062 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1063 tx_sens = ha->fw_seriallink_options[1] &
1064 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1065 rx_sens = (ha->fw_seriallink_options[1] &
1066 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1067 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1068 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1069 if (rx_sens == 0x0)
1070 rx_sens = 0x3;
1071 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1072 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1073 ha->fw_options[11] |= BIT_5 |
1074 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1075 (tx_sens & (BIT_1 | BIT_0));
1076 }
1077
1078 /* FCP2 options. */
1079 /* Return command IOCBs without waiting for an ABTS to complete. */
1080 ha->fw_options[3] |= BIT_13;
1081
1082 /* LED scheme. */
1083 if (ha->flags.enable_led_scheme)
1084 ha->fw_options[2] |= BIT_12;
1085
1086 /* Detect ISP6312. */
1087 if (IS_QLA6312(ha))
1088 ha->fw_options[2] |= BIT_13;
1089
1090 /* Update firmware options. */
1091 qla2x00_set_fw_options(ha, ha->fw_options);
1092 }
1093
1094 void
1095 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1096 {
1097 int rval;
1098
1099 /* Update Serial Link options. */
1100 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1101 return;
1102
1103 rval = qla2x00_set_serdes_params(ha,
1104 le16_to_cpu(ha->fw_seriallink_options24[1]),
1105 le16_to_cpu(ha->fw_seriallink_options24[2]),
1106 le16_to_cpu(ha->fw_seriallink_options24[3]));
1107 if (rval != QLA_SUCCESS) {
1108 qla_printk(KERN_WARNING, ha,
1109 "Unable to update Serial Link options (%x).\n", rval);
1110 }
1111 }
1112
1113 void
1114 qla2x00_config_rings(struct scsi_qla_host *ha)
1115 {
1116 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1117
1118 /* Setup ring parameters in initialization control block. */
1119 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1120 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1121 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1122 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1123 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1124 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1125 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1126 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1127
1128 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1129 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1130 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1131 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1132 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1133 }
1134
1135 void
1136 qla24xx_config_rings(struct scsi_qla_host *ha)
1137 {
1138 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1139 struct init_cb_24xx *icb;
1140
1141 /* Setup ring parameters in initialization control block. */
1142 icb = (struct init_cb_24xx *)ha->init_cb;
1143 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1144 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1145 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1146 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1147 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1148 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1149 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1150 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1151
1152 WRT_REG_DWORD(&reg->req_q_in, 0);
1153 WRT_REG_DWORD(&reg->req_q_out, 0);
1154 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1155 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1156 RD_REG_DWORD(&reg->rsp_q_out);
1157 }
1158
1159 /**
1160 * qla2x00_init_rings() - Initializes firmware.
1161 * @ha: HA context
1162 *
1163 * Beginning of request ring has initialization control block already built
1164 * by nvram config routine.
1165 *
1166 * Returns 0 on success.
1167 */
1168 static int
1169 qla2x00_init_rings(scsi_qla_host_t *ha)
1170 {
1171 int rval;
1172 unsigned long flags = 0;
1173 int cnt;
1174
1175 spin_lock_irqsave(&ha->hardware_lock, flags);
1176
1177 /* Clear outstanding commands array. */
1178 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1179 ha->outstanding_cmds[cnt] = NULL;
1180
1181 ha->current_outstanding_cmd = 0;
1182
1183 /* Clear RSCN queue. */
1184 ha->rscn_in_ptr = 0;
1185 ha->rscn_out_ptr = 0;
1186
1187 /* Initialize firmware. */
1188 ha->request_ring_ptr = ha->request_ring;
1189 ha->req_ring_index = 0;
1190 ha->req_q_cnt = ha->request_q_length;
1191 ha->response_ring_ptr = ha->response_ring;
1192 ha->rsp_ring_index = 0;
1193
1194 /* Initialize response queue entries */
1195 qla2x00_init_response_q_entries(ha);
1196
1197 ha->isp_ops.config_rings(ha);
1198
1199 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200
1201 /* Update any ISP specific firmware options before initialization. */
1202 ha->isp_ops.update_fw_options(ha);
1203
1204 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1205 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1206 if (rval) {
1207 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1208 ha->host_no));
1209 } else {
1210 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1211 ha->host_no));
1212 }
1213
1214 return (rval);
1215 }
1216
1217 /**
1218 * qla2x00_fw_ready() - Waits for firmware ready.
1219 * @ha: HA context
1220 *
1221 * Returns 0 on success.
1222 */
1223 static int
1224 qla2x00_fw_ready(scsi_qla_host_t *ha)
1225 {
1226 int rval;
1227 unsigned long wtime, mtime;
1228 uint16_t min_wait; /* Minimum wait time if loop is down */
1229 uint16_t wait_time; /* Wait time if loop is coming ready */
1230 uint16_t fw_state;
1231
1232 rval = QLA_SUCCESS;
1233
1234 /* 20 seconds for loop down. */
1235 min_wait = 20;
1236
1237 /*
1238 * Firmware should take at most one RATOV to login, plus 5 seconds for
1239 * our own processing.
1240 */
1241 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1242 wait_time = min_wait;
1243 }
1244
1245 /* Min wait time if loop down */
1246 mtime = jiffies + (min_wait * HZ);
1247
1248 /* wait time before firmware ready */
1249 wtime = jiffies + (wait_time * HZ);
1250
1251 /* Wait for ISP to finish LIP */
1252 if (!ha->flags.init_done)
1253 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1254
1255 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1256 ha->host_no));
1257
1258 do {
1259 rval = qla2x00_get_firmware_state(ha, &fw_state);
1260 if (rval == QLA_SUCCESS) {
1261 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1262 ha->device_flags &= ~DFLG_NO_CABLE;
1263 }
1264 if (fw_state == FSTATE_READY) {
1265 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1266 ha->host_no));
1267
1268 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1269 &ha->login_timeout, &ha->r_a_tov);
1270
1271 rval = QLA_SUCCESS;
1272 break;
1273 }
1274
1275 rval = QLA_FUNCTION_FAILED;
1276
1277 if (atomic_read(&ha->loop_down_timer) &&
1278 fw_state != FSTATE_READY) {
1279 /* Loop down. Timeout on min_wait for states
1280 * other than Wait for Login.
1281 */
1282 if (time_after_eq(jiffies, mtime)) {
1283 qla_printk(KERN_INFO, ha,
1284 "Cable is unplugged...\n");
1285
1286 ha->device_flags |= DFLG_NO_CABLE;
1287 break;
1288 }
1289 }
1290 } else {
1291 /* Mailbox cmd failed. Timeout on min_wait. */
1292 if (time_after_eq(jiffies, mtime))
1293 break;
1294 }
1295
1296 if (time_after_eq(jiffies, wtime))
1297 break;
1298
1299 /* Delay for a while */
1300 msleep(500);
1301
1302 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1303 ha->host_no, fw_state, jiffies));
1304 } while (1);
1305
1306 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1307 ha->host_no, fw_state, jiffies));
1308
1309 if (rval) {
1310 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1311 ha->host_no));
1312 }
1313
1314 return (rval);
1315 }
1316
1317 /*
1318 * qla2x00_configure_hba
1319 * Setup adapter context.
1320 *
1321 * Input:
1322 * ha = adapter state pointer.
1323 *
1324 * Returns:
1325 * 0 = success
1326 *
1327 * Context:
1328 * Kernel context.
1329 */
1330 static int
1331 qla2x00_configure_hba(scsi_qla_host_t *ha)
1332 {
1333 int rval;
1334 uint16_t loop_id;
1335 uint16_t topo;
1336 uint8_t al_pa;
1337 uint8_t area;
1338 uint8_t domain;
1339 char connect_type[22];
1340
1341 /* Get host addresses. */
1342 rval = qla2x00_get_adapter_id(ha,
1343 &loop_id, &al_pa, &area, &domain, &topo);
1344 if (rval != QLA_SUCCESS) {
1345 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1346 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1347 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1348 __func__, ha->host_no));
1349 } else {
1350 qla_printk(KERN_WARNING, ha,
1351 "ERROR -- Unable to get host loop ID.\n");
1352 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1353 }
1354 return (rval);
1355 }
1356
1357 if (topo == 4) {
1358 qla_printk(KERN_INFO, ha,
1359 "Cannot get topology - retrying.\n");
1360 return (QLA_FUNCTION_FAILED);
1361 }
1362
1363 ha->loop_id = loop_id;
1364
1365 /* initialize */
1366 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1367 ha->operating_mode = LOOP;
1368
1369 switch (topo) {
1370 case 0:
1371 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1372 ha->host_no));
1373 ha->current_topology = ISP_CFG_NL;
1374 strcpy(connect_type, "(Loop)");
1375 break;
1376
1377 case 1:
1378 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1379 ha->host_no));
1380 ha->current_topology = ISP_CFG_FL;
1381 strcpy(connect_type, "(FL_Port)");
1382 break;
1383
1384 case 2:
1385 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1386 ha->host_no));
1387 ha->operating_mode = P2P;
1388 ha->current_topology = ISP_CFG_N;
1389 strcpy(connect_type, "(N_Port-to-N_Port)");
1390 break;
1391
1392 case 3:
1393 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1394 ha->host_no));
1395 ha->operating_mode = P2P;
1396 ha->current_topology = ISP_CFG_F;
1397 strcpy(connect_type, "(F_Port)");
1398 break;
1399
1400 default:
1401 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1402 "Using NL.\n",
1403 ha->host_no, topo));
1404 ha->current_topology = ISP_CFG_NL;
1405 strcpy(connect_type, "(Loop)");
1406 break;
1407 }
1408
1409 /* Save Host port and loop ID. */
1410 /* byte order - Big Endian */
1411 ha->d_id.b.domain = domain;
1412 ha->d_id.b.area = area;
1413 ha->d_id.b.al_pa = al_pa;
1414
1415 if (!ha->flags.init_done)
1416 qla_printk(KERN_INFO, ha,
1417 "Topology - %s, Host Loop address 0x%x\n",
1418 connect_type, ha->loop_id);
1419
1420 if (rval) {
1421 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1422 } else {
1423 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1424 }
1425
1426 return(rval);
1427 }
1428
1429 /*
1430 * NVRAM configuration for ISP 2xxx
1431 *
1432 * Input:
1433 * ha = adapter block pointer.
1434 *
1435 * Output:
1436 * initialization control block in response_ring
1437 * host adapters parameters in host adapter block
1438 *
1439 * Returns:
1440 * 0 = success.
1441 */
1442 int
1443 qla2x00_nvram_config(scsi_qla_host_t *ha)
1444 {
1445 int rval;
1446 uint8_t chksum = 0;
1447 uint16_t cnt;
1448 uint8_t *dptr1, *dptr2;
1449 init_cb_t *icb = ha->init_cb;
1450 nvram_t *nv = (nvram_t *)ha->request_ring;
1451 uint8_t *ptr = (uint8_t *)ha->request_ring;
1452 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1453
1454 rval = QLA_SUCCESS;
1455
1456 /* Determine NVRAM starting address. */
1457 ha->nvram_size = sizeof(nvram_t);
1458 ha->nvram_base = 0;
1459 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1460 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1461 ha->nvram_base = 0x80;
1462
1463 /* Get NVRAM data and calculate checksum. */
1464 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1465 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1466 chksum += *ptr++;
1467
1468 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1469 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1470 ha->nvram_size));
1471
1472 /* Bad NVRAM data, set defaults parameters. */
1473 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1474 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1475 /* Reset NVRAM data. */
1476 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1477 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1478 nv->nvram_version);
1479 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1480 "invalid -- WWPN) defaults.\n");
1481
1482 /*
1483 * Set default initialization control block.
1484 */
1485 memset(nv, 0, ha->nvram_size);
1486 nv->parameter_block_version = ICB_VERSION;
1487
1488 if (IS_QLA23XX(ha)) {
1489 nv->firmware_options[0] = BIT_2 | BIT_1;
1490 nv->firmware_options[1] = BIT_7 | BIT_5;
1491 nv->add_firmware_options[0] = BIT_5;
1492 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1493 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1494 nv->special_options[1] = BIT_7;
1495 } else if (IS_QLA2200(ha)) {
1496 nv->firmware_options[0] = BIT_2 | BIT_1;
1497 nv->firmware_options[1] = BIT_7 | BIT_5;
1498 nv->add_firmware_options[0] = BIT_5;
1499 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1500 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1501 } else if (IS_QLA2100(ha)) {
1502 nv->firmware_options[0] = BIT_3 | BIT_1;
1503 nv->firmware_options[1] = BIT_5;
1504 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1505 }
1506
1507 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1508 nv->execution_throttle = __constant_cpu_to_le16(16);
1509 nv->retry_count = 8;
1510 nv->retry_delay = 1;
1511
1512 nv->port_name[0] = 33;
1513 nv->port_name[3] = 224;
1514 nv->port_name[4] = 139;
1515
1516 nv->login_timeout = 4;
1517
1518 /*
1519 * Set default host adapter parameters
1520 */
1521 nv->host_p[1] = BIT_2;
1522 nv->reset_delay = 5;
1523 nv->port_down_retry_count = 8;
1524 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1525 nv->link_down_timeout = 60;
1526
1527 rval = 1;
1528 }
1529
1530 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1531 /*
1532 * The SN2 does not provide BIOS emulation which means you can't change
1533 * potentially bogus BIOS settings. Force the use of default settings
1534 * for link rate and frame size. Hope that the rest of the settings
1535 * are valid.
1536 */
1537 if (ia64_platform_is("sn2")) {
1538 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1539 if (IS_QLA23XX(ha))
1540 nv->special_options[1] = BIT_7;
1541 }
1542 #endif
1543
1544 /* Reset Initialization control block */
1545 memset(icb, 0, ha->init_cb_size);
1546
1547 /*
1548 * Setup driver NVRAM options.
1549 */
1550 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1551 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1552 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1553 nv->firmware_options[1] &= ~BIT_4;
1554
1555 if (IS_QLA23XX(ha)) {
1556 nv->firmware_options[0] |= BIT_2;
1557 nv->firmware_options[0] &= ~BIT_3;
1558 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1559
1560 if (IS_QLA2300(ha)) {
1561 if (ha->fb_rev == FPM_2310) {
1562 strcpy(ha->model_number, "QLA2310");
1563 } else {
1564 strcpy(ha->model_number, "QLA2300");
1565 }
1566 } else {
1567 if (rval == 0 &&
1568 memcmp(nv->model_number, BINZERO,
1569 sizeof(nv->model_number)) != 0) {
1570 char *st, *en;
1571
1572 strncpy(ha->model_number, nv->model_number,
1573 sizeof(nv->model_number));
1574 st = en = ha->model_number;
1575 en += sizeof(nv->model_number) - 1;
1576 while (en > st) {
1577 if (*en != 0x20 && *en != 0x00)
1578 break;
1579 *en-- = '\0';
1580 }
1581 } else {
1582 uint16_t index;
1583
1584 index = (ha->pdev->subsystem_device & 0xff);
1585 if (index < QLA_MODEL_NAMES) {
1586 strcpy(ha->model_number,
1587 qla2x00_model_name[index * 2]);
1588 ha->model_desc =
1589 qla2x00_model_name[index * 2 + 1];
1590 } else {
1591 strcpy(ha->model_number, "QLA23xx");
1592 }
1593 }
1594 }
1595 } else if (IS_QLA2200(ha)) {
1596 nv->firmware_options[0] |= BIT_2;
1597 /*
1598 * 'Point-to-point preferred, else loop' is not a safe
1599 * connection mode setting.
1600 */
1601 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1602 (BIT_5 | BIT_4)) {
1603 /* Force 'loop preferred, else point-to-point'. */
1604 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1605 nv->add_firmware_options[0] |= BIT_5;
1606 }
1607 strcpy(ha->model_number, "QLA22xx");
1608 } else /*if (IS_QLA2100(ha))*/ {
1609 strcpy(ha->model_number, "QLA2100");
1610 }
1611
1612 /*
1613 * Copy over NVRAM RISC parameter block to initialization control block.
1614 */
1615 dptr1 = (uint8_t *)icb;
1616 dptr2 = (uint8_t *)&nv->parameter_block_version;
1617 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1618 while (cnt--)
1619 *dptr1++ = *dptr2++;
1620
1621 /* Copy 2nd half. */
1622 dptr1 = (uint8_t *)icb->add_firmware_options;
1623 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1624 while (cnt--)
1625 *dptr1++ = *dptr2++;
1626
1627 /* Use alternate WWN? */
1628 if (nv->host_p[1] & BIT_7) {
1629 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1630 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1631 }
1632
1633 /* Prepare nodename */
1634 if ((icb->firmware_options[1] & BIT_6) == 0) {
1635 /*
1636 * Firmware will apply the following mask if the nodename was
1637 * not provided.
1638 */
1639 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1640 icb->node_name[0] &= 0xF0;
1641 }
1642
1643 /*
1644 * Set host adapter parameters.
1645 */
1646 if (nv->host_p[0] & BIT_7)
1647 extended_error_logging = 1;
1648 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1649 /* Always load RISC code on non ISP2[12]00 chips. */
1650 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1651 ha->flags.disable_risc_code_load = 0;
1652 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1653 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1654 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1655 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1656 ha->flags.disable_serdes = 0;
1657
1658 ha->operating_mode =
1659 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1660
1661 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1662 sizeof(ha->fw_seriallink_options));
1663
1664 /* save HBA serial number */
1665 ha->serial0 = icb->port_name[5];
1666 ha->serial1 = icb->port_name[6];
1667 ha->serial2 = icb->port_name[7];
1668 ha->node_name = icb->node_name;
1669 ha->port_name = icb->port_name;
1670
1671 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1672
1673 ha->retry_count = nv->retry_count;
1674
1675 /* Set minimum login_timeout to 4 seconds. */
1676 if (nv->login_timeout < ql2xlogintimeout)
1677 nv->login_timeout = ql2xlogintimeout;
1678 if (nv->login_timeout < 4)
1679 nv->login_timeout = 4;
1680 ha->login_timeout = nv->login_timeout;
1681 icb->login_timeout = nv->login_timeout;
1682
1683 /* Set minimum RATOV to 200 tenths of a second. */
1684 ha->r_a_tov = 200;
1685
1686 ha->loop_reset_delay = nv->reset_delay;
1687
1688 /* Link Down Timeout = 0:
1689 *
1690 * When Port Down timer expires we will start returning
1691 * I/O's to OS with "DID_NO_CONNECT".
1692 *
1693 * Link Down Timeout != 0:
1694 *
1695 * The driver waits for the link to come up after link down
1696 * before returning I/Os to OS with "DID_NO_CONNECT".
1697 */
1698 if (nv->link_down_timeout == 0) {
1699 ha->loop_down_abort_time =
1700 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1701 } else {
1702 ha->link_down_timeout = nv->link_down_timeout;
1703 ha->loop_down_abort_time =
1704 (LOOP_DOWN_TIME - ha->link_down_timeout);
1705 }
1706
1707 /*
1708 * Need enough time to try and get the port back.
1709 */
1710 ha->port_down_retry_count = nv->port_down_retry_count;
1711 if (qlport_down_retry)
1712 ha->port_down_retry_count = qlport_down_retry;
1713 /* Set login_retry_count */
1714 ha->login_retry_count = nv->retry_count;
1715 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1716 ha->port_down_retry_count > 3)
1717 ha->login_retry_count = ha->port_down_retry_count;
1718 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1719 ha->login_retry_count = ha->port_down_retry_count;
1720 if (ql2xloginretrycount)
1721 ha->login_retry_count = ql2xloginretrycount;
1722
1723 icb->lun_enables = __constant_cpu_to_le16(0);
1724 icb->command_resource_count = 0;
1725 icb->immediate_notify_resource_count = 0;
1726 icb->timeout = __constant_cpu_to_le16(0);
1727
1728 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1729 /* Enable RIO */
1730 icb->firmware_options[0] &= ~BIT_3;
1731 icb->add_firmware_options[0] &=
1732 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1733 icb->add_firmware_options[0] |= BIT_2;
1734 icb->response_accumulation_timer = 3;
1735 icb->interrupt_delay_timer = 5;
1736
1737 ha->flags.process_response_queue = 1;
1738 } else {
1739 /* Enable ZIO. */
1740 if (!ha->flags.init_done) {
1741 ha->zio_mode = icb->add_firmware_options[0] &
1742 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1743 ha->zio_timer = icb->interrupt_delay_timer ?
1744 icb->interrupt_delay_timer: 2;
1745 }
1746 icb->add_firmware_options[0] &=
1747 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1748 ha->flags.process_response_queue = 0;
1749 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1750 ha->zio_mode = QLA_ZIO_MODE_6;
1751
1752 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1753 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1754 ha->zio_timer * 100));
1755 qla_printk(KERN_INFO, ha,
1756 "ZIO mode %d enabled; timer delay (%d us).\n",
1757 ha->zio_mode, ha->zio_timer * 100);
1758
1759 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1760 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1761 ha->flags.process_response_queue = 1;
1762 }
1763 }
1764
1765 if (rval) {
1766 DEBUG2_3(printk(KERN_WARNING
1767 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1768 }
1769 return (rval);
1770 }
1771
1772 static void
1773 qla2x00_rport_del(void *data)
1774 {
1775 fc_port_t *fcport = data;
1776 struct fc_rport *rport;
1777 unsigned long flags;
1778
1779 spin_lock_irqsave(&fcport->rport_lock, flags);
1780 rport = fcport->drport;
1781 fcport->drport = NULL;
1782 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1783 if (rport)
1784 fc_remote_port_delete(rport);
1785
1786 }
1787
1788 /**
1789 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1790 * @ha: HA context
1791 * @flags: allocation flags
1792 *
1793 * Returns a pointer to the allocated fcport, or NULL, if none available.
1794 */
1795 static fc_port_t *
1796 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1797 {
1798 fc_port_t *fcport;
1799
1800 fcport = kmalloc(sizeof(fc_port_t), flags);
1801 if (fcport == NULL)
1802 return (fcport);
1803
1804 /* Setup fcport template structure. */
1805 memset(fcport, 0, sizeof (fc_port_t));
1806 fcport->ha = ha;
1807 fcport->port_type = FCT_UNKNOWN;
1808 fcport->loop_id = FC_NO_LOOP_ID;
1809 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1810 fcport->flags = FCF_RLC_SUPPORT;
1811 fcport->supported_classes = FC_COS_UNSPECIFIED;
1812 spin_lock_init(&fcport->rport_lock);
1813
1814 return (fcport);
1815 }
1816
1817 /*
1818 * qla2x00_configure_loop
1819 * Updates Fibre Channel Device Database with what is actually on loop.
1820 *
1821 * Input:
1822 * ha = adapter block pointer.
1823 *
1824 * Returns:
1825 * 0 = success.
1826 * 1 = error.
1827 * 2 = database was full and device was not configured.
1828 */
1829 static int
1830 qla2x00_configure_loop(scsi_qla_host_t *ha)
1831 {
1832 int rval;
1833 unsigned long flags, save_flags;
1834
1835 rval = QLA_SUCCESS;
1836
1837 /* Get Initiator ID */
1838 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1839 rval = qla2x00_configure_hba(ha);
1840 if (rval != QLA_SUCCESS) {
1841 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1842 ha->host_no));
1843 return (rval);
1844 }
1845 }
1846
1847 save_flags = flags = ha->dpc_flags;
1848 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1849 ha->host_no, flags));
1850
1851 /*
1852 * If we have both an RSCN and PORT UPDATE pending then handle them
1853 * both at the same time.
1854 */
1855 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1856 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1857
1858 /* Determine what we need to do */
1859 if (ha->current_topology == ISP_CFG_FL &&
1860 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1861
1862 ha->flags.rscn_queue_overflow = 1;
1863 set_bit(RSCN_UPDATE, &flags);
1864
1865 } else if (ha->current_topology == ISP_CFG_F &&
1866 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1867
1868 ha->flags.rscn_queue_overflow = 1;
1869 set_bit(RSCN_UPDATE, &flags);
1870 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1871
1872 } else if (ha->current_topology == ISP_CFG_N) {
1873 clear_bit(RSCN_UPDATE, &flags);
1874
1875 } else if (!ha->flags.online ||
1876 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1877
1878 ha->flags.rscn_queue_overflow = 1;
1879 set_bit(RSCN_UPDATE, &flags);
1880 set_bit(LOCAL_LOOP_UPDATE, &flags);
1881 }
1882
1883 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1884 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1885 rval = QLA_FUNCTION_FAILED;
1886 } else {
1887 rval = qla2x00_configure_local_loop(ha);
1888 }
1889 }
1890
1891 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1892 if (LOOP_TRANSITION(ha)) {
1893 rval = QLA_FUNCTION_FAILED;
1894 } else {
1895 rval = qla2x00_configure_fabric(ha);
1896 }
1897 }
1898
1899 if (rval == QLA_SUCCESS) {
1900 if (atomic_read(&ha->loop_down_timer) ||
1901 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1902 rval = QLA_FUNCTION_FAILED;
1903 } else {
1904 atomic_set(&ha->loop_state, LOOP_READY);
1905
1906 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1907 }
1908 }
1909
1910 if (rval) {
1911 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1912 __func__, ha->host_no));
1913 } else {
1914 DEBUG3(printk("%s: exiting normally\n", __func__));
1915 }
1916
1917 /* Restore state if a resync event occured during processing */
1918 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1919 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1920 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1921 if (test_bit(RSCN_UPDATE, &save_flags))
1922 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1923 }
1924
1925 return (rval);
1926 }
1927
1928
1929
1930 /*
1931 * qla2x00_configure_local_loop
1932 * Updates Fibre Channel Device Database with local loop devices.
1933 *
1934 * Input:
1935 * ha = adapter block pointer.
1936 *
1937 * Returns:
1938 * 0 = success.
1939 */
1940 static int
1941 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1942 {
1943 int rval, rval2;
1944 int found_devs;
1945 int found;
1946 fc_port_t *fcport, *new_fcport;
1947
1948 uint16_t index;
1949 uint16_t entries;
1950 char *id_iter;
1951 uint16_t loop_id;
1952 uint8_t domain, area, al_pa;
1953
1954 found_devs = 0;
1955 new_fcport = NULL;
1956 entries = MAX_FIBRE_DEVICES;
1957
1958 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1959 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1960
1961 /* Get list of logged in devices. */
1962 memset(ha->gid_list, 0, GID_LIST_SIZE);
1963 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1964 &entries);
1965 if (rval != QLA_SUCCESS)
1966 goto cleanup_allocation;
1967
1968 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1969 ha->host_no, entries));
1970 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1971 entries * sizeof(struct gid_list_info)));
1972
1973 /* Allocate temporary fcport for any new fcports discovered. */
1974 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1975 if (new_fcport == NULL) {
1976 rval = QLA_MEMORY_ALLOC_FAILED;
1977 goto cleanup_allocation;
1978 }
1979 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1980
1981 /*
1982 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1983 */
1984 list_for_each_entry(fcport, &ha->fcports, list) {
1985 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1986 fcport->port_type != FCT_BROADCAST &&
1987 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1988
1989 DEBUG(printk("scsi(%ld): Marking port lost, "
1990 "loop_id=0x%04x\n",
1991 ha->host_no, fcport->loop_id));
1992
1993 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1994 fcport->flags &= ~FCF_FARP_DONE;
1995 }
1996 }
1997
1998 /* Add devices to port list. */
1999 id_iter = (char *)ha->gid_list;
2000 for (index = 0; index < entries; index++) {
2001 domain = ((struct gid_list_info *)id_iter)->domain;
2002 area = ((struct gid_list_info *)id_iter)->area;
2003 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2004 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2005 loop_id = (uint16_t)
2006 ((struct gid_list_info *)id_iter)->loop_id_2100;
2007 else
2008 loop_id = le16_to_cpu(
2009 ((struct gid_list_info *)id_iter)->loop_id);
2010 id_iter += ha->gid_list_info_size;
2011
2012 /* Bypass reserved domain fields. */
2013 if ((domain & 0xf0) == 0xf0)
2014 continue;
2015
2016 /* Bypass if not same domain and area of adapter. */
2017 if (area && domain &&
2018 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2019 continue;
2020
2021 /* Bypass invalid local loop ID. */
2022 if (loop_id > LAST_LOCAL_LOOP_ID)
2023 continue;
2024
2025 /* Fill in member data. */
2026 new_fcport->d_id.b.domain = domain;
2027 new_fcport->d_id.b.area = area;
2028 new_fcport->d_id.b.al_pa = al_pa;
2029 new_fcport->loop_id = loop_id;
2030 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2031 if (rval2 != QLA_SUCCESS) {
2032 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2033 "information -- get_port_database=%x, "
2034 "loop_id=0x%04x\n",
2035 ha->host_no, rval2, new_fcport->loop_id));
2036 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2037 ha->host_no));
2038 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2039 continue;
2040 }
2041
2042 /* Check for matching device in port list. */
2043 found = 0;
2044 fcport = NULL;
2045 list_for_each_entry(fcport, &ha->fcports, list) {
2046 if (memcmp(new_fcport->port_name, fcport->port_name,
2047 WWN_SIZE))
2048 continue;
2049
2050 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2051 FCF_PERSISTENT_BOUND);
2052 fcport->loop_id = new_fcport->loop_id;
2053 fcport->port_type = new_fcport->port_type;
2054 fcport->d_id.b24 = new_fcport->d_id.b24;
2055 memcpy(fcport->node_name, new_fcport->node_name,
2056 WWN_SIZE);
2057
2058 found++;
2059 break;
2060 }
2061
2062 if (!found) {
2063 /* New device, add to fcports list. */
2064 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2065 list_add_tail(&new_fcport->list, &ha->fcports);
2066
2067 /* Allocate a new replacement fcport. */
2068 fcport = new_fcport;
2069 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2070 if (new_fcport == NULL) {
2071 rval = QLA_MEMORY_ALLOC_FAILED;
2072 goto cleanup_allocation;
2073 }
2074 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2075 }
2076
2077 qla2x00_update_fcport(ha, fcport);
2078
2079 found_devs++;
2080 }
2081
2082 cleanup_allocation:
2083 kfree(new_fcport);
2084
2085 if (rval != QLA_SUCCESS) {
2086 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2087 "rval=%x\n", ha->host_no, rval));
2088 }
2089
2090 if (found_devs) {
2091 ha->device_flags |= DFLG_LOCAL_DEVICES;
2092 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2093 }
2094
2095 return (rval);
2096 }
2097
2098 static void
2099 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2100 {
2101 fc_port_t *fcport;
2102
2103 qla2x00_mark_all_devices_lost(ha, 0);
2104 list_for_each_entry(fcport, &ha->fcports, list) {
2105 if (fcport->port_type != FCT_TARGET)
2106 continue;
2107
2108 qla2x00_update_fcport(ha, fcport);
2109 }
2110 }
2111
2112 /*
2113 * qla2x00_update_fcport
2114 * Updates device on list.
2115 *
2116 * Input:
2117 * ha = adapter block pointer.
2118 * fcport = port structure pointer.
2119 *
2120 * Return:
2121 * 0 - Success
2122 * BIT_0 - error
2123 *
2124 * Context:
2125 * Kernel context.
2126 */
2127 void
2128 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2129 {
2130 fcport->ha = ha;
2131 fcport->login_retry = 0;
2132 fcport->port_login_retry_count = ha->port_down_retry_count *
2133 PORT_RETRY_TIME;
2134 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2135 PORT_RETRY_TIME);
2136 fcport->flags &= ~FCF_LOGIN_NEEDED;
2137
2138 atomic_set(&fcport->state, FCS_ONLINE);
2139
2140 if (ha->flags.init_done)
2141 qla2x00_reg_remote_port(ha, fcport);
2142 }
2143
2144 void
2145 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2146 {
2147 struct fc_rport_identifiers rport_ids;
2148 struct fc_rport *rport;
2149 unsigned long flags;
2150
2151 if (fcport->drport)
2152 qla2x00_rport_del(fcport);
2153 if (fcport->rport)
2154 return;
2155
2156 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2157 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2158 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2159 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2160 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2161 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2162 if (!rport) {
2163 qla_printk(KERN_WARNING, ha,
2164 "Unable to allocate fc remote port!\n");
2165 return;
2166 }
2167 spin_lock_irqsave(&fcport->rport_lock, flags);
2168 fcport->rport = rport;
2169 *((fc_port_t **)rport->dd_data) = fcport;
2170 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2171
2172 rport->supported_classes = fcport->supported_classes;
2173
2174 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2175 if (fcport->port_type == FCT_INITIATOR)
2176 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2177 if (fcport->port_type == FCT_TARGET)
2178 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2179 fc_remote_port_rolechg(rport, rport_ids.roles);
2180
2181 if (rport->scsi_target_id != -1 &&
2182 rport->scsi_target_id < ha->host->max_id)
2183 fcport->os_target_id = rport->scsi_target_id;
2184 }
2185
2186 /*
2187 * qla2x00_configure_fabric
2188 * Setup SNS devices with loop ID's.
2189 *
2190 * Input:
2191 * ha = adapter block pointer.
2192 *
2193 * Returns:
2194 * 0 = success.
2195 * BIT_0 = error
2196 */
2197 static int
2198 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2199 {
2200 int rval, rval2;
2201 fc_port_t *fcport, *fcptemp;
2202 uint16_t next_loopid;
2203 uint16_t mb[MAILBOX_REGISTER_COUNT];
2204 uint16_t loop_id;
2205 LIST_HEAD(new_fcports);
2206
2207 /* If FL port exists, then SNS is present */
2208 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2209 loop_id = NPH_F_PORT;
2210 else
2211 loop_id = SNS_FL_PORT;
2212 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2213 if (rval != QLA_SUCCESS) {
2214 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2215 "Port\n", ha->host_no));
2216
2217 ha->device_flags &= ~SWITCH_FOUND;
2218 return (QLA_SUCCESS);
2219 }
2220
2221 /* Mark devices that need re-synchronization. */
2222 rval2 = qla2x00_device_resync(ha);
2223 if (rval2 == QLA_RSCNS_HANDLED) {
2224 /* No point doing the scan, just continue. */
2225 return (QLA_SUCCESS);
2226 }
2227 do {
2228 /* FDMI support. */
2229 if (ql2xfdmienable &&
2230 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2231 qla2x00_fdmi_register(ha);
2232
2233 /* Ensure we are logged into the SNS. */
2234 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2235 loop_id = NPH_SNS;
2236 else
2237 loop_id = SIMPLE_NAME_SERVER;
2238 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2239 0xfc, mb, BIT_1 | BIT_0);
2240 if (mb[0] != MBS_COMMAND_COMPLETE) {
2241 DEBUG2(qla_printk(KERN_INFO, ha,
2242 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2243 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2244 mb[0], mb[1], mb[2], mb[6], mb[7]));
2245 return (QLA_SUCCESS);
2246 }
2247
2248 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2249 if (qla2x00_rft_id(ha)) {
2250 /* EMPTY */
2251 DEBUG2(printk("scsi(%ld): Register FC-4 "
2252 "TYPE failed.\n", ha->host_no));
2253 }
2254 if (qla2x00_rff_id(ha)) {
2255 /* EMPTY */
2256 DEBUG2(printk("scsi(%ld): Register FC-4 "
2257 "Features failed.\n", ha->host_no));
2258 }
2259 if (qla2x00_rnn_id(ha)) {
2260 /* EMPTY */
2261 DEBUG2(printk("scsi(%ld): Register Node Name "
2262 "failed.\n", ha->host_no));
2263 } else if (qla2x00_rsnn_nn(ha)) {
2264 /* EMPTY */
2265 DEBUG2(printk("scsi(%ld): Register Symbolic "
2266 "Node Name failed.\n", ha->host_no));
2267 }
2268 }
2269
2270 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2271 if (rval != QLA_SUCCESS)
2272 break;
2273
2274 /*
2275 * Logout all previous fabric devices marked lost, except
2276 * tape devices.
2277 */
2278 list_for_each_entry(fcport, &ha->fcports, list) {
2279 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2280 break;
2281
2282 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2283 continue;
2284
2285 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2286 qla2x00_mark_device_lost(ha, fcport,
2287 ql2xplogiabsentdevice, 0);
2288 if (fcport->loop_id != FC_NO_LOOP_ID &&
2289 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2290 fcport->port_type != FCT_INITIATOR &&
2291 fcport->port_type != FCT_BROADCAST) {
2292 ha->isp_ops.fabric_logout(ha,
2293 fcport->loop_id,
2294 fcport->d_id.b.domain,
2295 fcport->d_id.b.area,
2296 fcport->d_id.b.al_pa);
2297 fcport->loop_id = FC_NO_LOOP_ID;
2298 }
2299 }
2300 }
2301
2302 /* Starting free loop ID. */
2303 next_loopid = ha->min_external_loopid;
2304
2305 /*
2306 * Scan through our port list and login entries that need to be
2307 * logged in.
2308 */
2309 list_for_each_entry(fcport, &ha->fcports, list) {
2310 if (atomic_read(&ha->loop_down_timer) ||
2311 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2312 break;
2313
2314 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2315 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2316 continue;
2317
2318 if (fcport->loop_id == FC_NO_LOOP_ID) {
2319 fcport->loop_id = next_loopid;
2320 rval = qla2x00_find_new_loop_id(ha, fcport);
2321 if (rval != QLA_SUCCESS) {
2322 /* Ran out of IDs to use */
2323 break;
2324 }
2325 }
2326 /* Login and update database */
2327 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2328 }
2329
2330 /* Exit if out of loop IDs. */
2331 if (rval != QLA_SUCCESS) {
2332 break;
2333 }
2334
2335 /*
2336 * Login and add the new devices to our port list.
2337 */
2338 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2339 if (atomic_read(&ha->loop_down_timer) ||
2340 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2341 break;
2342
2343 /* Find a new loop ID to use. */
2344 fcport->loop_id = next_loopid;
2345 rval = qla2x00_find_new_loop_id(ha, fcport);
2346 if (rval != QLA_SUCCESS) {
2347 /* Ran out of IDs to use */
2348 break;
2349 }
2350
2351 /* Remove device from the new list and add it to DB */
2352 list_move_tail(&fcport->list, &ha->fcports);
2353
2354 /* Login and update database */
2355 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2356 }
2357 } while (0);
2358
2359 /* Free all new device structures not processed. */
2360 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2361 list_del(&fcport->list);
2362 kfree(fcport);
2363 }
2364
2365 if (rval) {
2366 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2367 "rval=%d\n", ha->host_no, rval));
2368 }
2369
2370 return (rval);
2371 }
2372
2373
2374 /*
2375 * qla2x00_find_all_fabric_devs
2376 *
2377 * Input:
2378 * ha = adapter block pointer.
2379 * dev = database device entry pointer.
2380 *
2381 * Returns:
2382 * 0 = success.
2383 *
2384 * Context:
2385 * Kernel context.
2386 */
2387 static int
2388 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2389 {
2390 int rval;
2391 uint16_t loop_id;
2392 fc_port_t *fcport, *new_fcport, *fcptemp;
2393 int found;
2394
2395 sw_info_t *swl;
2396 int swl_idx;
2397 int first_dev, last_dev;
2398 port_id_t wrap, nxt_d_id;
2399
2400 rval = QLA_SUCCESS;
2401
2402 /* Try GID_PT to get device list, else GAN. */
2403 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2404 if (swl == NULL) {
2405 /*EMPTY*/
2406 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2407 "on GA_NXT\n", ha->host_no));
2408 } else {
2409 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2410 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2411 kfree(swl);
2412 swl = NULL;
2413 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2414 kfree(swl);
2415 swl = NULL;
2416 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2417 kfree(swl);
2418 swl = NULL;
2419 }
2420 }
2421 swl_idx = 0;
2422
2423 /* Allocate temporary fcport for any new fcports discovered. */
2424 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2425 if (new_fcport == NULL) {
2426 kfree(swl);
2427 return (QLA_MEMORY_ALLOC_FAILED);
2428 }
2429 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2430
2431 /* Set start port ID scan at adapter ID. */
2432 first_dev = 1;
2433 last_dev = 0;
2434
2435 /* Starting free loop ID. */
2436 loop_id = ha->min_external_loopid;
2437 for (; loop_id <= ha->last_loop_id; loop_id++) {
2438 if (qla2x00_is_reserved_id(ha, loop_id))
2439 continue;
2440
2441 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2442 break;
2443
2444 if (swl != NULL) {
2445 if (last_dev) {
2446 wrap.b24 = new_fcport->d_id.b24;
2447 } else {
2448 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2449 memcpy(new_fcport->node_name,
2450 swl[swl_idx].node_name, WWN_SIZE);
2451 memcpy(new_fcport->port_name,
2452 swl[swl_idx].port_name, WWN_SIZE);
2453
2454 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2455 last_dev = 1;
2456 }
2457 swl_idx++;
2458 }
2459 } else {
2460 /* Send GA_NXT to the switch */
2461 rval = qla2x00_ga_nxt(ha, new_fcport);
2462 if (rval != QLA_SUCCESS) {
2463 qla_printk(KERN_WARNING, ha,
2464 "SNS scan failed -- assuming zero-entry "
2465 "result...\n");
2466 list_for_each_entry_safe(fcport, fcptemp,
2467 new_fcports, list) {
2468 list_del(&fcport->list);
2469 kfree(fcport);
2470 }
2471 rval = QLA_SUCCESS;
2472 break;
2473 }
2474 }
2475
2476 /* If wrap on switch device list, exit. */
2477 if (first_dev) {
2478 wrap.b24 = new_fcport->d_id.b24;
2479 first_dev = 0;
2480 } else if (new_fcport->d_id.b24 == wrap.b24) {
2481 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2482 ha->host_no, new_fcport->d_id.b.domain,
2483 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2484 break;
2485 }
2486
2487 /* Bypass if host adapter. */
2488 if (new_fcport->d_id.b24 == ha->d_id.b24)
2489 continue;
2490
2491 /* Bypass if same domain and area of adapter. */
2492 if (((new_fcport->d_id.b24 & 0xffff00) ==
2493 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2494 ISP_CFG_FL)
2495 continue;
2496
2497 /* Bypass reserved domain fields. */
2498 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2499 continue;
2500
2501 /* Locate matching device in database. */
2502 found = 0;
2503 list_for_each_entry(fcport, &ha->fcports, list) {
2504 if (memcmp(new_fcport->port_name, fcport->port_name,
2505 WWN_SIZE))
2506 continue;
2507
2508 found++;
2509
2510 /*
2511 * If address the same and state FCS_ONLINE, nothing
2512 * changed.
2513 */
2514 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2515 atomic_read(&fcport->state) == FCS_ONLINE) {
2516 break;
2517 }
2518
2519 /*
2520 * If device was not a fabric device before.
2521 */
2522 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2523 fcport->d_id.b24 = new_fcport->d_id.b24;
2524 fcport->loop_id = FC_NO_LOOP_ID;
2525 fcport->flags |= (FCF_FABRIC_DEVICE |
2526 FCF_LOGIN_NEEDED);
2527 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2528 break;
2529 }
2530
2531 /*
2532 * Port ID changed or device was marked to be updated;
2533 * Log it out if still logged in and mark it for
2534 * relogin later.
2535 */
2536 fcport->d_id.b24 = new_fcport->d_id.b24;
2537 fcport->flags |= FCF_LOGIN_NEEDED;
2538 if (fcport->loop_id != FC_NO_LOOP_ID &&
2539 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2540 fcport->port_type != FCT_INITIATOR &&
2541 fcport->port_type != FCT_BROADCAST) {
2542 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2543 fcport->d_id.b.domain, fcport->d_id.b.area,
2544 fcport->d_id.b.al_pa);
2545 fcport->loop_id = FC_NO_LOOP_ID;
2546 }
2547
2548 break;
2549 }
2550
2551 if (found)
2552 continue;
2553
2554 /* If device was not in our fcports list, then add it. */
2555 list_add_tail(&new_fcport->list, new_fcports);
2556
2557 /* Allocate a new replacement fcport. */
2558 nxt_d_id.b24 = new_fcport->d_id.b24;
2559 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2560 if (new_fcport == NULL) {
2561 kfree(swl);
2562 return (QLA_MEMORY_ALLOC_FAILED);
2563 }
2564 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2565 new_fcport->d_id.b24 = nxt_d_id.b24;
2566 }
2567
2568 kfree(swl);
2569 kfree(new_fcport);
2570
2571 if (!list_empty(new_fcports))
2572 ha->device_flags |= DFLG_FABRIC_DEVICES;
2573
2574 return (rval);
2575 }
2576
2577 /*
2578 * qla2x00_find_new_loop_id
2579 * Scan through our port list and find a new usable loop ID.
2580 *
2581 * Input:
2582 * ha: adapter state pointer.
2583 * dev: port structure pointer.
2584 *
2585 * Returns:
2586 * qla2x00 local function return status code.
2587 *
2588 * Context:
2589 * Kernel context.
2590 */
2591 static int
2592 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2593 {
2594 int rval;
2595 int found;
2596 fc_port_t *fcport;
2597 uint16_t first_loop_id;
2598
2599 rval = QLA_SUCCESS;
2600
2601 /* Save starting loop ID. */
2602 first_loop_id = dev->loop_id;
2603
2604 for (;;) {
2605 /* Skip loop ID if already used by adapter. */
2606 if (dev->loop_id == ha->loop_id) {
2607 dev->loop_id++;
2608 }
2609
2610 /* Skip reserved loop IDs. */
2611 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2612 dev->loop_id++;
2613 }
2614
2615 /* Reset loop ID if passed the end. */
2616 if (dev->loop_id > ha->last_loop_id) {
2617 /* first loop ID. */
2618 dev->loop_id = ha->min_external_loopid;
2619 }
2620
2621 /* Check for loop ID being already in use. */
2622 found = 0;
2623 fcport = NULL;
2624 list_for_each_entry(fcport, &ha->fcports, list) {
2625 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2626 /* ID possibly in use */
2627 found++;
2628 break;
2629 }
2630 }
2631
2632 /* If not in use then it is free to use. */
2633 if (!found) {
2634 break;
2635 }
2636
2637 /* ID in use. Try next value. */
2638 dev->loop_id++;
2639
2640 /* If wrap around. No free ID to use. */
2641 if (dev->loop_id == first_loop_id) {
2642 dev->loop_id = FC_NO_LOOP_ID;
2643 rval = QLA_FUNCTION_FAILED;
2644 break;
2645 }
2646 }
2647
2648 return (rval);
2649 }
2650
2651 /*
2652 * qla2x00_device_resync
2653 * Marks devices in the database that needs resynchronization.
2654 *
2655 * Input:
2656 * ha = adapter block pointer.
2657 *
2658 * Context:
2659 * Kernel context.
2660 */
2661 static int
2662 qla2x00_device_resync(scsi_qla_host_t *ha)
2663 {
2664 int rval;
2665 uint32_t mask;
2666 fc_port_t *fcport;
2667 uint32_t rscn_entry;
2668 uint8_t rscn_out_iter;
2669 uint8_t format;
2670 port_id_t d_id;
2671
2672 rval = QLA_RSCNS_HANDLED;
2673
2674 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2675 ha->flags.rscn_queue_overflow) {
2676
2677 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2678 format = MSB(MSW(rscn_entry));
2679 d_id.b.domain = LSB(MSW(rscn_entry));
2680 d_id.b.area = MSB(LSW(rscn_entry));
2681 d_id.b.al_pa = LSB(LSW(rscn_entry));
2682
2683 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2684 "[%02x/%02x%02x%02x].\n",
2685 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2686 d_id.b.area, d_id.b.al_pa));
2687
2688 ha->rscn_out_ptr++;
2689 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2690 ha->rscn_out_ptr = 0;
2691
2692 /* Skip duplicate entries. */
2693 for (rscn_out_iter = ha->rscn_out_ptr;
2694 !ha->flags.rscn_queue_overflow &&
2695 rscn_out_iter != ha->rscn_in_ptr;
2696 rscn_out_iter = (rscn_out_iter ==
2697 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2698
2699 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2700 break;
2701
2702 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2703 "entry found at [%d].\n", ha->host_no,
2704 rscn_out_iter));
2705
2706 ha->rscn_out_ptr = rscn_out_iter;
2707 }
2708
2709 /* Queue overflow, set switch default case. */
2710 if (ha->flags.rscn_queue_overflow) {
2711 DEBUG(printk("scsi(%ld): device_resync: rscn "
2712 "overflow.\n", ha->host_no));
2713
2714 format = 3;
2715 ha->flags.rscn_queue_overflow = 0;
2716 }
2717
2718 switch (format) {
2719 case 0:
2720 mask = 0xffffff;
2721 break;
2722 case 1:
2723 mask = 0xffff00;
2724 break;
2725 case 2:
2726 mask = 0xff0000;
2727 break;
2728 default:
2729 mask = 0x0;
2730 d_id.b24 = 0;
2731 ha->rscn_out_ptr = ha->rscn_in_ptr;
2732 break;
2733 }
2734
2735 rval = QLA_SUCCESS;
2736
2737 list_for_each_entry(fcport, &ha->fcports, list) {
2738 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2739 (fcport->d_id.b24 & mask) != d_id.b24 ||
2740 fcport->port_type == FCT_BROADCAST)
2741 continue;
2742
2743 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2744 if (format != 3 ||
2745 fcport->port_type != FCT_INITIATOR) {
2746 qla2x00_mark_device_lost(ha, fcport,
2747 0, 0);
2748 }
2749 }
2750 fcport->flags &= ~FCF_FARP_DONE;
2751 }
2752 }
2753 return (rval);
2754 }
2755
2756 /*
2757 * qla2x00_fabric_dev_login
2758 * Login fabric target device and update FC port database.
2759 *
2760 * Input:
2761 * ha: adapter state pointer.
2762 * fcport: port structure list pointer.
2763 * next_loopid: contains value of a new loop ID that can be used
2764 * by the next login attempt.
2765 *
2766 * Returns:
2767 * qla2x00 local function return status code.
2768 *
2769 * Context:
2770 * Kernel context.
2771 */
2772 static int
2773 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2774 uint16_t *next_loopid)
2775 {
2776 int rval;
2777 int retry;
2778 uint8_t opts;
2779
2780 rval = QLA_SUCCESS;
2781 retry = 0;
2782
2783 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2784 if (rval == QLA_SUCCESS) {
2785 /* Send an ADISC to tape devices.*/
2786 opts = 0;
2787 if (fcport->flags & FCF_TAPE_PRESENT)
2788 opts |= BIT_1;
2789 rval = qla2x00_get_port_database(ha, fcport, opts);
2790 if (rval != QLA_SUCCESS) {
2791 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2792 fcport->d_id.b.domain, fcport->d_id.b.area,
2793 fcport->d_id.b.al_pa);
2794 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2795 } else {
2796 qla2x00_update_fcport(ha, fcport);
2797 }
2798 }
2799
2800 return (rval);
2801 }
2802
2803 /*
2804 * qla2x00_fabric_login
2805 * Issue fabric login command.
2806 *
2807 * Input:
2808 * ha = adapter block pointer.
2809 * device = pointer to FC device type structure.
2810 *
2811 * Returns:
2812 * 0 - Login successfully
2813 * 1 - Login failed
2814 * 2 - Initiator device
2815 * 3 - Fatal error
2816 */
2817 int
2818 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2819 uint16_t *next_loopid)
2820 {
2821 int rval;
2822 int retry;
2823 uint16_t tmp_loopid;
2824 uint16_t mb[MAILBOX_REGISTER_COUNT];
2825
2826 retry = 0;
2827 tmp_loopid = 0;
2828
2829 for (;;) {
2830 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2831 "for port %02x%02x%02x.\n",
2832 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2833 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2834
2835 /* Login fcport on switch. */
2836 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2837 fcport->d_id.b.domain, fcport->d_id.b.area,
2838 fcport->d_id.b.al_pa, mb, BIT_0);
2839 if (mb[0] == MBS_PORT_ID_USED) {
2840 /*
2841 * Device has another loop ID. The firmware team
2842 * recommends the driver perform an implicit login with
2843 * the specified ID again. The ID we just used is save
2844 * here so we return with an ID that can be tried by
2845 * the next login.
2846 */
2847 retry++;
2848 tmp_loopid = fcport->loop_id;
2849 fcport->loop_id = mb[1];
2850
2851 DEBUG(printk("Fabric Login: port in use - next "
2852 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2853 fcport->loop_id, fcport->d_id.b.domain,
2854 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2855
2856 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2857 /*
2858 * Login succeeded.
2859 */
2860 if (retry) {
2861 /* A retry occurred before. */
2862 *next_loopid = tmp_loopid;
2863 } else {
2864 /*
2865 * No retry occurred before. Just increment the
2866 * ID value for next login.
2867 */
2868 *next_loopid = (fcport->loop_id + 1);
2869 }
2870
2871 if (mb[1] & BIT_0) {
2872 fcport->port_type = FCT_INITIATOR;
2873 } else {
2874 fcport->port_type = FCT_TARGET;
2875 if (mb[1] & BIT_1) {
2876 fcport->flags |= FCF_TAPE_PRESENT;
2877 }
2878 }
2879
2880 if (mb[10] & BIT_0)
2881 fcport->supported_classes |= FC_COS_CLASS2;
2882 if (mb[10] & BIT_1)
2883 fcport->supported_classes |= FC_COS_CLASS3;
2884
2885 rval = QLA_SUCCESS;
2886 break;
2887 } else if (mb[0] == MBS_LOOP_ID_USED) {
2888 /*
2889 * Loop ID already used, try next loop ID.
2890 */
2891 fcport->loop_id++;
2892 rval = qla2x00_find_new_loop_id(ha, fcport);
2893 if (rval != QLA_SUCCESS) {
2894 /* Ran out of loop IDs to use */
2895 break;
2896 }
2897 } else if (mb[0] == MBS_COMMAND_ERROR) {
2898 /*
2899 * Firmware possibly timed out during login. If NO
2900 * retries are left to do then the device is declared
2901 * dead.
2902 */
2903 *next_loopid = fcport->loop_id;
2904 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2905 fcport->d_id.b.domain, fcport->d_id.b.area,
2906 fcport->d_id.b.al_pa);
2907 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2908
2909 rval = 1;
2910 break;
2911 } else {
2912 /*
2913 * unrecoverable / not handled error
2914 */
2915 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2916 "loop_id=%x jiffies=%lx.\n",
2917 __func__, ha->host_no, mb[0],
2918 fcport->d_id.b.domain, fcport->d_id.b.area,
2919 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2920
2921 *next_loopid = fcport->loop_id;
2922 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2923 fcport->d_id.b.domain, fcport->d_id.b.area,
2924 fcport->d_id.b.al_pa);
2925 fcport->loop_id = FC_NO_LOOP_ID;
2926 fcport->login_retry = 0;
2927
2928 rval = 3;
2929 break;
2930 }
2931 }
2932
2933 return (rval);
2934 }
2935
2936 /*
2937 * qla2x00_local_device_login
2938 * Issue local device login command.
2939 *
2940 * Input:
2941 * ha = adapter block pointer.
2942 * loop_id = loop id of device to login to.
2943 *
2944 * Returns (Where's the #define!!!!):
2945 * 0 - Login successfully
2946 * 1 - Login failed
2947 * 3 - Fatal error
2948 */
2949 int
2950 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
2951 {
2952 int rval;
2953 uint16_t mb[MAILBOX_REGISTER_COUNT];
2954
2955 memset(mb, 0, sizeof(mb));
2956 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
2957 if (rval == QLA_SUCCESS) {
2958 /* Interrogate mailbox registers for any errors */
2959 if (mb[0] == MBS_COMMAND_ERROR)
2960 rval = 1;
2961 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2962 /* device not in PCB table */
2963 rval = 3;
2964 }
2965
2966 return (rval);
2967 }
2968
2969 /*
2970 * qla2x00_loop_resync
2971 * Resync with fibre channel devices.
2972 *
2973 * Input:
2974 * ha = adapter block pointer.
2975 *
2976 * Returns:
2977 * 0 = success
2978 */
2979 int
2980 qla2x00_loop_resync(scsi_qla_host_t *ha)
2981 {
2982 int rval;
2983 uint32_t wait_time;
2984
2985 rval = QLA_SUCCESS;
2986
2987 atomic_set(&ha->loop_state, LOOP_UPDATE);
2988 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2989 if (ha->flags.online) {
2990 if (!(rval = qla2x00_fw_ready(ha))) {
2991 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2992 wait_time = 256;
2993 do {
2994 atomic_set(&ha->loop_state, LOOP_UPDATE);
2995
2996 /* Issue a marker after FW becomes ready. */
2997 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2998 ha->marker_needed = 0;
2999
3000 /* Remap devices on Loop. */
3001 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3002
3003 qla2x00_configure_loop(ha);
3004 wait_time--;
3005 } while (!atomic_read(&ha->loop_down_timer) &&
3006 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3007 wait_time &&
3008 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3009 }
3010 }
3011
3012 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3013 return (QLA_FUNCTION_FAILED);
3014 }
3015
3016 if (rval) {
3017 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3018 }
3019
3020 return (rval);
3021 }
3022
3023 void
3024 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3025 {
3026 int rescan_done;
3027 fc_port_t *fcport;
3028
3029 rescan_done = 0;
3030 list_for_each_entry(fcport, &ha->fcports, list) {
3031 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3032 continue;
3033
3034 qla2x00_update_fcport(ha, fcport);
3035 fcport->flags &= ~FCF_RESCAN_NEEDED;
3036
3037 rescan_done = 1;
3038 }
3039 qla2x00_probe_for_all_luns(ha);
3040 }
3041
3042 void
3043 qla2x00_update_fcports(scsi_qla_host_t *ha)
3044 {
3045 fc_port_t *fcport;
3046
3047 /* Go with deferred removal of rport references. */
3048 list_for_each_entry(fcport, &ha->fcports, list)
3049 if (fcport->drport)
3050 qla2x00_rport_del(fcport);
3051 }
3052
3053 /*
3054 * qla2x00_abort_isp
3055 * Resets ISP and aborts all outstanding commands.
3056 *
3057 * Input:
3058 * ha = adapter block pointer.
3059 *
3060 * Returns:
3061 * 0 = success
3062 */
3063 int
3064 qla2x00_abort_isp(scsi_qla_host_t *ha)
3065 {
3066 unsigned long flags = 0;
3067 uint16_t cnt;
3068 srb_t *sp;
3069 uint8_t status = 0;
3070
3071 if (ha->flags.online) {
3072 ha->flags.online = 0;
3073 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3074
3075 qla_printk(KERN_INFO, ha,
3076 "Performing ISP error recovery - ha= %p.\n", ha);
3077 ha->isp_ops.reset_chip(ha);
3078
3079 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3080 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3081 atomic_set(&ha->loop_state, LOOP_DOWN);
3082 qla2x00_mark_all_devices_lost(ha, 0);
3083 } else {
3084 if (!atomic_read(&ha->loop_down_timer))
3085 atomic_set(&ha->loop_down_timer,
3086 LOOP_DOWN_TIME);
3087 }
3088
3089 spin_lock_irqsave(&ha->hardware_lock, flags);
3090 /* Requeue all commands in outstanding command list. */
3091 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3092 sp = ha->outstanding_cmds[cnt];
3093 if (sp) {
3094 ha->outstanding_cmds[cnt] = NULL;
3095 sp->flags = 0;
3096 sp->cmd->result = DID_RESET << 16;
3097 sp->cmd->host_scribble = (unsigned char *)NULL;
3098 qla2x00_sp_compl(ha, sp);
3099 }
3100 }
3101 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3102
3103 ha->isp_ops.nvram_config(ha);
3104
3105 if (!qla2x00_restart_isp(ha)) {
3106 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3107
3108 if (!atomic_read(&ha->loop_down_timer)) {
3109 /*
3110 * Issue marker command only when we are going
3111 * to start the I/O .
3112 */
3113 ha->marker_needed = 1;
3114 }
3115
3116 ha->flags.online = 1;
3117
3118 ha->isp_ops.enable_intrs(ha);
3119
3120 ha->isp_abort_cnt = 0;
3121 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3122 } else { /* failed the ISP abort */
3123 ha->flags.online = 1;
3124 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3125 if (ha->isp_abort_cnt == 0) {
3126 qla_printk(KERN_WARNING, ha,
3127 "ISP error recovery failed - "
3128 "board disabled\n");
3129 /*
3130 * The next call disables the board
3131 * completely.
3132 */
3133 ha->isp_ops.reset_adapter(ha);
3134 ha->flags.online = 0;
3135 clear_bit(ISP_ABORT_RETRY,
3136 &ha->dpc_flags);
3137 status = 0;
3138 } else { /* schedule another ISP abort */
3139 ha->isp_abort_cnt--;
3140 DEBUG(printk("qla%ld: ISP abort - "
3141 "retry remaining %d\n",
3142 ha->host_no, ha->isp_abort_cnt));
3143 status = 1;
3144 }
3145 } else {
3146 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3147 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3148 "- retrying (%d) more times\n",
3149 ha->host_no, ha->isp_abort_cnt));
3150 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3151 status = 1;
3152 }
3153 }
3154
3155 }
3156
3157 if (status) {
3158 qla_printk(KERN_INFO, ha,
3159 "qla2x00_abort_isp: **** FAILED ****\n");
3160 } else {
3161 DEBUG(printk(KERN_INFO
3162 "qla2x00_abort_isp(%ld): exiting.\n",
3163 ha->host_no));
3164 }
3165
3166 return(status);
3167 }
3168
3169 /*
3170 * qla2x00_restart_isp
3171 * restarts the ISP after a reset
3172 *
3173 * Input:
3174 * ha = adapter block pointer.
3175 *
3176 * Returns:
3177 * 0 = success
3178 */
3179 static int
3180 qla2x00_restart_isp(scsi_qla_host_t *ha)
3181 {
3182 uint8_t status = 0;
3183 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3184 unsigned long flags = 0;
3185 uint32_t wait_time;
3186
3187 /* If firmware needs to be loaded */
3188 if (qla2x00_isp_firmware(ha)) {
3189 ha->flags.online = 0;
3190 if (!(status = ha->isp_ops.chip_diag(ha))) {
3191 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3192 status = qla2x00_setup_chip(ha);
3193 goto done;
3194 }
3195
3196 spin_lock_irqsave(&ha->hardware_lock, flags);
3197
3198 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3199 /*
3200 * Disable SRAM, Instruction RAM and GP RAM
3201 * parity.
3202 */
3203 WRT_REG_WORD(&reg->hccr,
3204 (HCCR_ENABLE_PARITY + 0x0));
3205 RD_REG_WORD(&reg->hccr);
3206 }
3207
3208 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3209
3210 status = qla2x00_setup_chip(ha);
3211
3212 spin_lock_irqsave(&ha->hardware_lock, flags);
3213
3214 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3215 /* Enable proper parity */
3216 if (IS_QLA2300(ha))
3217 /* SRAM parity */
3218 WRT_REG_WORD(&reg->hccr,
3219 (HCCR_ENABLE_PARITY + 0x1));
3220 else
3221 /*
3222 * SRAM, Instruction RAM and GP RAM
3223 * parity.
3224 */
3225 WRT_REG_WORD(&reg->hccr,
3226 (HCCR_ENABLE_PARITY + 0x7));
3227 RD_REG_WORD(&reg->hccr);
3228 }
3229
3230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3231 }
3232 }
3233
3234 done:
3235 if (!status && !(status = qla2x00_init_rings(ha))) {
3236 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3237 if (!(status = qla2x00_fw_ready(ha))) {
3238 DEBUG(printk("%s(): Start configure loop, "
3239 "status = %d\n", __func__, status));
3240
3241 /* Issue a marker after FW becomes ready. */
3242 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3243
3244 ha->flags.online = 1;
3245 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3246 wait_time = 256;
3247 do {
3248 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3249 qla2x00_configure_loop(ha);
3250 wait_time--;
3251 } while (!atomic_read(&ha->loop_down_timer) &&
3252 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3253 wait_time &&
3254 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3255 }
3256
3257 /* if no cable then assume it's good */
3258 if ((ha->device_flags & DFLG_NO_CABLE))
3259 status = 0;
3260
3261 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3262 __func__,
3263 status));
3264 }
3265 return (status);
3266 }
3267
3268 /*
3269 * qla2x00_reset_adapter
3270 * Reset adapter.
3271 *
3272 * Input:
3273 * ha = adapter block pointer.
3274 */
3275 void
3276 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3277 {
3278 unsigned long flags = 0;
3279 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3280
3281 ha->flags.online = 0;
3282 ha->isp_ops.disable_intrs(ha);
3283
3284 spin_lock_irqsave(&ha->hardware_lock, flags);
3285 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3286 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3287 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3288 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3289 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3290 }
3291
3292 void
3293 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3294 {
3295 unsigned long flags = 0;
3296 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3297
3298 ha->flags.online = 0;
3299 ha->isp_ops.disable_intrs(ha);
3300
3301 spin_lock_irqsave(&ha->hardware_lock, flags);
3302 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3303 RD_REG_DWORD(&reg->hccr);
3304 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3305 RD_REG_DWORD(&reg->hccr);
3306 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3307 }
3308
3309 int
3310 qla24xx_nvram_config(scsi_qla_host_t *ha)
3311 {
3312 int rval;
3313 struct init_cb_24xx *icb;
3314 struct nvram_24xx *nv;
3315 uint32_t *dptr;
3316 uint8_t *dptr1, *dptr2;
3317 uint32_t chksum;
3318 uint16_t cnt;
3319
3320 rval = QLA_SUCCESS;
3321 icb = (struct init_cb_24xx *)ha->init_cb;
3322 nv = (struct nvram_24xx *)ha->request_ring;
3323
3324 /* Determine NVRAM starting address. */
3325 ha->nvram_size = sizeof(struct nvram_24xx);
3326 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3327 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3328 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3329 if (PCI_FUNC(ha->pdev->devfn)) {
3330 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3331 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3332 }
3333
3334 /* Get NVRAM data and calculate checksum. */
3335 dptr = (uint32_t *)nv;
3336 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3337 ha->nvram_size);
3338 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3339 chksum += le32_to_cpu(*dptr++);
3340
3341 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3342 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3343 ha->nvram_size));
3344
3345 /* Bad NVRAM data, set defaults parameters. */
3346 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3347 || nv->id[3] != ' ' ||
3348 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3349 /* Reset NVRAM data. */
3350 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3351 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3352 le16_to_cpu(nv->nvram_version));
3353 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3354 "invalid -- WWPN) defaults.\n");
3355
3356 /*
3357 * Set default initialization control block.
3358 */
3359 memset(nv, 0, ha->nvram_size);
3360 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3361 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3362 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3363 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3364 nv->exchange_count = __constant_cpu_to_le16(0);
3365 nv->hard_address = __constant_cpu_to_le16(124);
3366 nv->port_name[0] = 0x21;
3367 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3368 nv->port_name[2] = 0x00;
3369 nv->port_name[3] = 0xe0;
3370 nv->port_name[4] = 0x8b;
3371 nv->port_name[5] = 0x1c;
3372 nv->port_name[6] = 0x55;
3373 nv->port_name[7] = 0x86;
3374 nv->node_name[0] = 0x20;
3375 nv->node_name[1] = 0x00;
3376 nv->node_name[2] = 0x00;
3377 nv->node_name[3] = 0xe0;
3378 nv->node_name[4] = 0x8b;
3379 nv->node_name[5] = 0x1c;
3380 nv->node_name[6] = 0x55;
3381 nv->node_name[7] = 0x86;
3382 nv->login_retry_count = __constant_cpu_to_le16(8);
3383 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3384 nv->login_timeout = __constant_cpu_to_le16(0);
3385 nv->firmware_options_1 =
3386 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3387 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3388 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3389 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3390 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3391 nv->efi_parameters = __constant_cpu_to_le32(0);
3392 nv->reset_delay = 5;
3393 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3394 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3395 nv->link_down_timeout = __constant_cpu_to_le16(30);
3396
3397 rval = 1;
3398 }
3399
3400 /* Reset Initialization control block */
3401 memset(icb, 0, sizeof(struct init_cb_24xx));
3402
3403 /* Copy 1st segment. */
3404 dptr1 = (uint8_t *)icb;
3405 dptr2 = (uint8_t *)&nv->version;
3406 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3407 while (cnt--)
3408 *dptr1++ = *dptr2++;
3409
3410 icb->login_retry_count = nv->login_retry_count;
3411 icb->link_down_on_nos = nv->link_down_on_nos;
3412
3413 /* Copy 2nd segment. */
3414 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3415 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3416 cnt = (uint8_t *)&icb->reserved_3 -
3417 (uint8_t *)&icb->interrupt_delay_timer;
3418 while (cnt--)
3419 *dptr1++ = *dptr2++;
3420
3421 /*
3422 * Setup driver NVRAM options.
3423 */
3424 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3425 char *st, *en;
3426 uint16_t index;
3427
3428 strncpy(ha->model_number, nv->model_name,
3429 sizeof(nv->model_name));
3430 st = en = ha->model_number;
3431 en += sizeof(nv->model_name) - 1;
3432 while (en > st) {
3433 if (*en != 0x20 && *en != 0x00)
3434 break;
3435 *en-- = '\0';
3436 }
3437
3438 index = (ha->pdev->subsystem_device & 0xff);
3439 if (index < QLA_MODEL_NAMES)
3440 ha->model_desc = qla2x00_model_name[index * 2 + 1];
3441 } else
3442 strcpy(ha->model_number, "QLA2462");
3443
3444 /* Use alternate WWN? */
3445 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3446 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3447 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3448 }
3449
3450 /* Prepare nodename */
3451 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3452 /*
3453 * Firmware will apply the following mask if the nodename was
3454 * not provided.
3455 */
3456 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3457 icb->node_name[0] &= 0xF0;
3458 }
3459
3460 /* Set host adapter parameters. */
3461 ha->flags.disable_risc_code_load = 0;
3462 ha->flags.enable_lip_reset = 1;
3463 ha->flags.enable_lip_full_login = 1;
3464 ha->flags.enable_target_reset = 1;
3465 ha->flags.enable_led_scheme = 0;
3466 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3467
3468 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3469 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3470
3471 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3472 sizeof(ha->fw_seriallink_options24));
3473
3474 /* save HBA serial number */
3475 ha->serial0 = icb->port_name[5];
3476 ha->serial1 = icb->port_name[6];
3477 ha->serial2 = icb->port_name[7];
3478 ha->node_name = icb->node_name;
3479 ha->port_name = icb->port_name;
3480
3481 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3482
3483 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3484
3485 /* Set minimum login_timeout to 4 seconds. */
3486 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3487 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3488 if (le16_to_cpu(nv->login_timeout) < 4)
3489 nv->login_timeout = __constant_cpu_to_le16(4);
3490 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3491 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3492
3493 /* Set minimum RATOV to 200 tenths of a second. */
3494 ha->r_a_tov = 200;
3495
3496 ha->loop_reset_delay = nv->reset_delay;
3497
3498 /* Link Down Timeout = 0:
3499 *
3500 * When Port Down timer expires we will start returning
3501 * I/O's to OS with "DID_NO_CONNECT".
3502 *
3503 * Link Down Timeout != 0:
3504 *
3505 * The driver waits for the link to come up after link down
3506 * before returning I/Os to OS with "DID_NO_CONNECT".
3507 */
3508 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3509 ha->loop_down_abort_time =
3510 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3511 } else {
3512 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3513 ha->loop_down_abort_time =
3514 (LOOP_DOWN_TIME - ha->link_down_timeout);
3515 }
3516
3517 /* Need enough time to try and get the port back. */
3518 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3519 if (qlport_down_retry)
3520 ha->port_down_retry_count = qlport_down_retry;
3521
3522 /* Set login_retry_count */
3523 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3524 if (ha->port_down_retry_count ==
3525 le16_to_cpu(nv->port_down_retry_count) &&
3526 ha->port_down_retry_count > 3)
3527 ha->login_retry_count = ha->port_down_retry_count;
3528 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3529 ha->login_retry_count = ha->port_down_retry_count;
3530 if (ql2xloginretrycount)
3531 ha->login_retry_count = ql2xloginretrycount;
3532
3533 /* Enable ZIO. */
3534 if (!ha->flags.init_done) {
3535 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3536 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3537 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3538 le16_to_cpu(icb->interrupt_delay_timer): 2;
3539 }
3540 icb->firmware_options_2 &= __constant_cpu_to_le32(
3541 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3542 ha->flags.process_response_queue = 0;
3543 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3544 ha->zio_mode = QLA_ZIO_MODE_6;
3545
3546 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3547 "(%d us).\n", ha->host_no, ha->zio_mode,
3548 ha->zio_timer * 100));
3549 qla_printk(KERN_INFO, ha,
3550 "ZIO mode %d enabled; timer delay (%d us).\n",
3551 ha->zio_mode, ha->zio_timer * 100);
3552
3553 icb->firmware_options_2 |= cpu_to_le32(
3554 (uint32_t)ha->zio_mode);
3555 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3556 ha->flags.process_response_queue = 1;
3557 }
3558
3559 if (rval) {
3560 DEBUG2_3(printk(KERN_WARNING
3561 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3562 }
3563 return (rval);
3564 }
3565
3566 static int
3567 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3568 {
3569 int rval;
3570 int segments, fragment;
3571 uint32_t faddr;
3572 uint32_t *dcode, dlen;
3573 uint32_t risc_addr;
3574 uint32_t risc_size;
3575 uint32_t i;
3576
3577 rval = QLA_SUCCESS;
3578
3579 segments = FA_RISC_CODE_SEGMENTS;
3580 faddr = FA_RISC_CODE_ADDR;
3581 dcode = (uint32_t *)ha->request_ring;
3582 *srisc_addr = 0;
3583
3584 /* Validate firmware image by checking version. */
3585 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3586 for (i = 0; i < 4; i++)
3587 dcode[i] = be32_to_cpu(dcode[i]);
3588 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3589 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3590 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3591 dcode[3] == 0)) {
3592 qla_printk(KERN_WARNING, ha,
3593 "Unable to verify integrity of flash firmware image!\n");
3594 qla_printk(KERN_WARNING, ha,
3595 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3596 dcode[1], dcode[2], dcode[3]);
3597
3598 return QLA_FUNCTION_FAILED;
3599 }
3600
3601 while (segments && rval == QLA_SUCCESS) {
3602 /* Read segment's load information. */
3603 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3604
3605 risc_addr = be32_to_cpu(dcode[2]);
3606 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3607 risc_size = be32_to_cpu(dcode[3]);
3608
3609 fragment = 0;
3610 while (risc_size > 0 && rval == QLA_SUCCESS) {
3611 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3612 if (dlen > risc_size)
3613 dlen = risc_size;
3614
3615 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3616 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3617 ha->host_no, risc_addr, dlen, faddr));
3618
3619 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3620 for (i = 0; i < dlen; i++)
3621 dcode[i] = swab32(dcode[i]);
3622
3623 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3624 dlen);
3625 if (rval) {
3626 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3627 "segment %d of firmware\n", ha->host_no,
3628 fragment));
3629 qla_printk(KERN_WARNING, ha,
3630 "[ERROR] Failed to load segment %d of "
3631 "firmware\n", fragment);
3632 break;
3633 }
3634
3635 faddr += dlen;
3636 risc_addr += dlen;
3637 risc_size -= dlen;
3638 fragment++;
3639 }
3640
3641 /* Next segment. */
3642 segments--;
3643 }
3644
3645 return rval;
3646 }
3647
3648 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3649
3650 int
3651 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3652 {
3653 int rval;
3654 int i, fragment;
3655 uint16_t *wcode, *fwcode;
3656 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3657 struct fw_blob *blob;
3658
3659 /* Load firmware blob. */
3660 blob = qla2x00_request_firmware(ha);
3661 if (!blob) {
3662 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3663 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3664 "from: " QLA_FW_URL ".\n");
3665 return QLA_FUNCTION_FAILED;
3666 }
3667
3668 rval = QLA_SUCCESS;
3669
3670 wcode = (uint16_t *)ha->request_ring;
3671 *srisc_addr = 0;
3672 fwcode = (uint16_t *)blob->fw->data;
3673 fwclen = 0;
3674
3675 /* Validate firmware image by checking version. */
3676 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3677 qla_printk(KERN_WARNING, ha,
3678 "Unable to verify integrity of firmware image (%Zd)!\n",
3679 blob->fw->size);
3680 goto fail_fw_integrity;
3681 }
3682 for (i = 0; i < 4; i++)
3683 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3684 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3685 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3686 wcode[2] == 0 && wcode[3] == 0)) {
3687 qla_printk(KERN_WARNING, ha,
3688 "Unable to verify integrity of firmware image!\n");
3689 qla_printk(KERN_WARNING, ha,
3690 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3691 wcode[1], wcode[2], wcode[3]);
3692 goto fail_fw_integrity;
3693 }
3694
3695 seg = blob->segs;
3696 while (*seg && rval == QLA_SUCCESS) {
3697 risc_addr = *seg;
3698 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3699 risc_size = be16_to_cpu(fwcode[3]);
3700
3701 /* Validate firmware image size. */
3702 fwclen += risc_size * sizeof(uint16_t);
3703 if (blob->fw->size < fwclen) {
3704 qla_printk(KERN_WARNING, ha,
3705 "Unable to verify integrity of firmware image "
3706 "(%Zd)!\n", blob->fw->size);
3707 goto fail_fw_integrity;
3708 }
3709
3710 fragment = 0;
3711 while (risc_size > 0 && rval == QLA_SUCCESS) {
3712 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3713 if (wlen > risc_size)
3714 wlen = risc_size;
3715
3716 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3717 "addr %x, number of words 0x%x.\n", ha->host_no,
3718 risc_addr, wlen));
3719
3720 for (i = 0; i < wlen; i++)
3721 wcode[i] = swab16(fwcode[i]);
3722
3723 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3724 wlen);
3725 if (rval) {
3726 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3727 "segment %d of firmware\n", ha->host_no,
3728 fragment));
3729 qla_printk(KERN_WARNING, ha,
3730 "[ERROR] Failed to load segment %d of "
3731 "firmware\n", fragment);
3732 break;
3733 }
3734
3735 fwcode += wlen;
3736 risc_addr += wlen;
3737 risc_size -= wlen;
3738 fragment++;
3739 }
3740
3741 /* Next segment. */
3742 seg++;
3743 }
3744 return rval;
3745
3746 fail_fw_integrity:
3747 return QLA_FUNCTION_FAILED;
3748 }
3749
3750 int
3751 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3752 {
3753 int rval;
3754 int segments, fragment;
3755 uint32_t *dcode, dlen;
3756 uint32_t risc_addr;
3757 uint32_t risc_size;
3758 uint32_t i;
3759 struct fw_blob *blob;
3760 uint32_t *fwcode, fwclen;
3761
3762 /* Load firmware blob. */
3763 blob = qla2x00_request_firmware(ha);
3764 if (!blob) {
3765 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3766 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3767 "from: " QLA_FW_URL ".\n");
3768
3769 /* Try to load RISC code from flash. */
3770 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3771 "outdated) firmware from flash.\n");
3772 return qla24xx_load_risc_flash(ha, srisc_addr);
3773 }
3774
3775 rval = QLA_SUCCESS;
3776
3777 segments = FA_RISC_CODE_SEGMENTS;
3778 dcode = (uint32_t *)ha->request_ring;
3779 *srisc_addr = 0;
3780 fwcode = (uint32_t *)blob->fw->data;
3781 fwclen = 0;
3782
3783 /* Validate firmware image by checking version. */
3784 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3785 qla_printk(KERN_WARNING, ha,
3786 "Unable to verify integrity of firmware image (%Zd)!\n",
3787 blob->fw->size);
3788 goto fail_fw_integrity;
3789 }
3790 for (i = 0; i < 4; i++)
3791 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3792 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3793 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3794 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3795 dcode[3] == 0)) {
3796 qla_printk(KERN_WARNING, ha,
3797 "Unable to verify integrity of firmware image!\n");
3798 qla_printk(KERN_WARNING, ha,
3799 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3800 dcode[1], dcode[2], dcode[3]);
3801 goto fail_fw_integrity;
3802 }
3803
3804 while (segments && rval == QLA_SUCCESS) {
3805 risc_addr = be32_to_cpu(fwcode[2]);
3806 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3807 risc_size = be32_to_cpu(fwcode[3]);
3808
3809 /* Validate firmware image size. */
3810 fwclen += risc_size * sizeof(uint32_t);
3811 if (blob->fw->size < fwclen) {
3812 qla_printk(KERN_WARNING, ha,
3813 "Unable to verify integrity of firmware image "
3814 "(%Zd)!\n", blob->fw->size);
3815
3816 goto fail_fw_integrity;
3817 }
3818
3819 fragment = 0;
3820 while (risc_size > 0 && rval == QLA_SUCCESS) {
3821 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3822 if (dlen > risc_size)
3823 dlen = risc_size;
3824
3825 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3826 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3827 risc_addr, dlen));
3828
3829 for (i = 0; i < dlen; i++)
3830 dcode[i] = swab32(fwcode[i]);
3831
3832 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3833 dlen);
3834 if (rval) {
3835 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3836 "segment %d of firmware\n", ha->host_no,
3837 fragment));
3838 qla_printk(KERN_WARNING, ha,
3839 "[ERROR] Failed to load segment %d of "
3840 "firmware\n", fragment);
3841 break;
3842 }
3843
3844 fwcode += dlen;
3845 risc_addr += dlen;
3846 risc_size -= dlen;
3847 fragment++;
3848 }
3849
3850 /* Next segment. */
3851 segments--;
3852 }
3853 return rval;
3854
3855 fail_fw_integrity:
3856 return QLA_FUNCTION_FAILED;
3857 }
WRT350N Kernel Patches