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Merge ../linux-2.6/
[mirror_ubuntu-kernels.git] / drivers / scsi / qla2xxx / qla_init.c
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 /****************************************************************************/
43 /* QLogic ISP2x00 Hardware Support Functions. */
44 /****************************************************************************/
45
46 /*
47 * qla2x00_initialize_adapter
48 * Initialize board.
49 *
50 * Input:
51 * ha = adapter block pointer.
52 *
53 * Returns:
54 * 0 = success
55 */
56 int
57 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
58 {
59 int rval;
60 uint8_t restart_risc = 0;
61 uint8_t retry;
62 uint32_t wait_time;
63
64 /* Clear adapter flags. */
65 ha->flags.online = 0;
66 ha->flags.reset_active = 0;
67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&ha->loop_state, LOOP_DOWN);
69 ha->device_flags = 0;
70 ha->dpc_flags = 0;
71 ha->flags.management_server_logged_in = 0;
72 ha->marker_needed = 0;
73 ha->mbx_flags = 0;
74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
77
78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
79 rval = ha->isp_ops.pci_config(ha);
80 if (rval) {
81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
82 ha->host_no));
83 return (rval);
84 }
85
86 ha->isp_ops.reset_chip(ha);
87
88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
89
90 ha->isp_ops.nvram_config(ha);
91
92 if (ha->flags.disable_serdes) {
93 /* Mask HBA via NVRAM settings? */
94 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
96 ha->port_name[0], ha->port_name[1],
97 ha->port_name[2], ha->port_name[3],
98 ha->port_name[4], ha->port_name[5],
99 ha->port_name[6], ha->port_name[7]);
100 return QLA_FUNCTION_FAILED;
101 }
102
103 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
104
105 retry = 10;
106 /*
107 * Try to configure the loop.
108 */
109 do {
110 restart_risc = 0;
111
112 /* If firmware needs to be loaded */
113 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
114 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
115 rval = qla2x00_setup_chip(ha);
116 }
117 }
118
119 if (rval == QLA_SUCCESS &&
120 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
121 check_fw_ready_again:
122 /*
123 * Wait for a successful LIP up to a maximum
124 * of (in seconds): RISC login timeout value,
125 * RISC retry count value, and port down retry
126 * value OR a minimum of 4 seconds OR If no
127 * cable, only 5 seconds.
128 */
129 rval = qla2x00_fw_ready(ha);
130 if (rval == QLA_SUCCESS) {
131 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
132
133 /* Issue a marker after FW becomes ready. */
134 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
135
136 /*
137 * Wait at most MAX_TARGET RSCNs for a stable
138 * link.
139 */
140 wait_time = 256;
141 do {
142 clear_bit(LOOP_RESYNC_NEEDED,
143 &ha->dpc_flags);
144 rval = qla2x00_configure_loop(ha);
145
146 if (test_and_clear_bit(ISP_ABORT_NEEDED,
147 &ha->dpc_flags)) {
148 restart_risc = 1;
149 break;
150 }
151
152 /*
153 * If loop state change while we were
154 * discoverying devices then wait for
155 * LIP to complete
156 */
157
158 if (atomic_read(&ha->loop_state) !=
159 LOOP_READY && retry--) {
160 goto check_fw_ready_again;
161 }
162 wait_time--;
163 } while (!atomic_read(&ha->loop_down_timer) &&
164 retry &&
165 wait_time &&
166 (test_bit(LOOP_RESYNC_NEEDED,
167 &ha->dpc_flags)));
168
169 if (wait_time == 0)
170 rval = QLA_FUNCTION_FAILED;
171 } else if (ha->device_flags & DFLG_NO_CABLE)
172 /* If no cable, then all is good. */
173 rval = QLA_SUCCESS;
174 }
175 } while (restart_risc && retry--);
176
177 if (rval == QLA_SUCCESS) {
178 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
179 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
180 ha->marker_needed = 0;
181
182 ha->flags.online = 1;
183 } else {
184 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
185 }
186
187 return (rval);
188 }
189
190 /**
191 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
192 * @ha: HA context
193 *
194 * Returns 0 on success.
195 */
196 int
197 qla2100_pci_config(scsi_qla_host_t *ha)
198 {
199 uint16_t w, mwi;
200 uint32_t d;
201 unsigned long flags;
202 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
203
204 pci_set_master(ha->pdev);
205 mwi = 0;
206 if (pci_set_mwi(ha->pdev))
207 mwi = PCI_COMMAND_INVALIDATE;
208
209 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
210 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
211 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
212
213 /* Reset expansion ROM address decode enable */
214 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
215 d &= ~PCI_ROM_ADDRESS_ENABLE;
216 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
217
218 /* Get PCI bus information. */
219 spin_lock_irqsave(&ha->hardware_lock, flags);
220 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
221 spin_unlock_irqrestore(&ha->hardware_lock, flags);
222
223 return QLA_SUCCESS;
224 }
225
226 /**
227 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
228 * @ha: HA context
229 *
230 * Returns 0 on success.
231 */
232 int
233 qla2300_pci_config(scsi_qla_host_t *ha)
234 {
235 uint16_t w, mwi;
236 uint32_t d;
237 unsigned long flags = 0;
238 uint32_t cnt;
239 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
240
241 pci_set_master(ha->pdev);
242 mwi = 0;
243 if (pci_set_mwi(ha->pdev))
244 mwi = PCI_COMMAND_INVALIDATE;
245
246 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
247 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
248
249 if (IS_QLA2322(ha) || IS_QLA6322(ha))
250 w &= ~PCI_COMMAND_INTX_DISABLE;
251
252 /*
253 * If this is a 2300 card and not 2312, reset the
254 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
255 * the 2310 also reports itself as a 2300 so we need to get the
256 * fb revision level -- a 6 indicates it really is a 2300 and
257 * not a 2310.
258 */
259 if (IS_QLA2300(ha)) {
260 spin_lock_irqsave(&ha->hardware_lock, flags);
261
262 /* Pause RISC. */
263 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
264 for (cnt = 0; cnt < 30000; cnt++) {
265 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
266 break;
267
268 udelay(10);
269 }
270
271 /* Select FPM registers. */
272 WRT_REG_WORD(&reg->ctrl_status, 0x20);
273 RD_REG_WORD(&reg->ctrl_status);
274
275 /* Get the fb rev level */
276 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
277
278 if (ha->fb_rev == FPM_2300)
279 w &= ~PCI_COMMAND_INVALIDATE;
280
281 /* Deselect FPM registers. */
282 WRT_REG_WORD(&reg->ctrl_status, 0x0);
283 RD_REG_WORD(&reg->ctrl_status);
284
285 /* Release RISC module. */
286 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
287 for (cnt = 0; cnt < 30000; cnt++) {
288 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
289 break;
290
291 udelay(10);
292 }
293
294 spin_unlock_irqrestore(&ha->hardware_lock, flags);
295 }
296 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
297
298 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
299
300 /* Reset expansion ROM address decode enable */
301 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
302 d &= ~PCI_ROM_ADDRESS_ENABLE;
303 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
304
305 /* Get PCI bus information. */
306 spin_lock_irqsave(&ha->hardware_lock, flags);
307 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
308 spin_unlock_irqrestore(&ha->hardware_lock, flags);
309
310 return QLA_SUCCESS;
311 }
312
313 /**
314 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
315 * @ha: HA context
316 *
317 * Returns 0 on success.
318 */
319 int
320 qla24xx_pci_config(scsi_qla_host_t *ha)
321 {
322 uint16_t w, mwi;
323 uint32_t d;
324 unsigned long flags = 0;
325 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
326 int pcix_cmd_reg, pcie_dctl_reg;
327
328 pci_set_master(ha->pdev);
329 mwi = 0;
330 if (pci_set_mwi(ha->pdev))
331 mwi = PCI_COMMAND_INVALIDATE;
332
333 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
334 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
335 w &= ~PCI_COMMAND_INTX_DISABLE;
336 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
337
338 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
339
340 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
341 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
342 if (pcix_cmd_reg) {
343 uint16_t pcix_cmd;
344
345 pcix_cmd_reg += PCI_X_CMD;
346 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
347 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
348 pcix_cmd |= 0x0008;
349 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
350 }
351
352 /* PCIe -- adjust Maximum Read Request Size (2048). */
353 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
354 if (pcie_dctl_reg) {
355 uint16_t pcie_dctl;
356
357 pcie_dctl_reg += PCI_EXP_DEVCTL;
358 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
359 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
360 pcie_dctl |= 0x4000;
361 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
362 }
363
364 /* Reset expansion ROM address decode enable */
365 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
366 d &= ~PCI_ROM_ADDRESS_ENABLE;
367 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
368
369 /* Get PCI bus information. */
370 spin_lock_irqsave(&ha->hardware_lock, flags);
371 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
372 spin_unlock_irqrestore(&ha->hardware_lock, flags);
373
374 return QLA_SUCCESS;
375 }
376
377 /**
378 * qla2x00_isp_firmware() - Choose firmware image.
379 * @ha: HA context
380 *
381 * Returns 0 on success.
382 */
383 static int
384 qla2x00_isp_firmware(scsi_qla_host_t *ha)
385 {
386 int rval;
387
388 /* Assume loading risc code */
389 rval = QLA_FUNCTION_FAILED;
390
391 if (ha->flags.disable_risc_code_load) {
392 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
393 ha->host_no));
394 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
395
396 /* Verify checksum of loaded RISC code. */
397 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
398 }
399
400 if (rval) {
401 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
402 ha->host_no));
403 }
404
405 return (rval);
406 }
407
408 /**
409 * qla2x00_reset_chip() - Reset ISP chip.
410 * @ha: HA context
411 *
412 * Returns 0 on success.
413 */
414 void
415 qla2x00_reset_chip(scsi_qla_host_t *ha)
416 {
417 unsigned long flags = 0;
418 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
419 uint32_t cnt;
420 uint16_t cmd;
421
422 ha->isp_ops.disable_intrs(ha);
423
424 spin_lock_irqsave(&ha->hardware_lock, flags);
425
426 /* Turn off master enable */
427 cmd = 0;
428 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
429 cmd &= ~PCI_COMMAND_MASTER;
430 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
431
432 if (!IS_QLA2100(ha)) {
433 /* Pause RISC. */
434 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
435 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
436 for (cnt = 0; cnt < 30000; cnt++) {
437 if ((RD_REG_WORD(&reg->hccr) &
438 HCCR_RISC_PAUSE) != 0)
439 break;
440 udelay(100);
441 }
442 } else {
443 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
444 udelay(10);
445 }
446
447 /* Select FPM registers. */
448 WRT_REG_WORD(&reg->ctrl_status, 0x20);
449 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
450
451 /* FPM Soft Reset. */
452 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
453 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
454
455 /* Toggle Fpm Reset. */
456 if (!IS_QLA2200(ha)) {
457 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
458 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
459 }
460
461 /* Select frame buffer registers. */
462 WRT_REG_WORD(&reg->ctrl_status, 0x10);
463 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
464
465 /* Reset frame buffer FIFOs. */
466 if (IS_QLA2200(ha)) {
467 WRT_FB_CMD_REG(ha, reg, 0xa000);
468 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
469 } else {
470 WRT_FB_CMD_REG(ha, reg, 0x00fc);
471
472 /* Read back fb_cmd until zero or 3 seconds max */
473 for (cnt = 0; cnt < 3000; cnt++) {
474 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
475 break;
476 udelay(100);
477 }
478 }
479
480 /* Select RISC module registers. */
481 WRT_REG_WORD(&reg->ctrl_status, 0);
482 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
483
484 /* Reset RISC processor. */
485 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
486 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
487
488 /* Release RISC processor. */
489 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
490 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
491 }
492
493 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
494 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
495
496 /* Reset ISP chip. */
497 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
498
499 /* Wait for RISC to recover from reset. */
500 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
501 /*
502 * It is necessary to for a delay here since the card doesn't
503 * respond to PCI reads during a reset. On some architectures
504 * this will result in an MCA.
505 */
506 udelay(20);
507 for (cnt = 30000; cnt; cnt--) {
508 if ((RD_REG_WORD(&reg->ctrl_status) &
509 CSR_ISP_SOFT_RESET) == 0)
510 break;
511 udelay(100);
512 }
513 } else
514 udelay(10);
515
516 /* Reset RISC processor. */
517 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
518
519 WRT_REG_WORD(&reg->semaphore, 0);
520
521 /* Release RISC processor. */
522 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
523 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
524
525 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
526 for (cnt = 0; cnt < 30000; cnt++) {
527 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
528 break;
529
530 udelay(100);
531 }
532 } else
533 udelay(100);
534
535 /* Turn on master enable */
536 cmd |= PCI_COMMAND_MASTER;
537 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
538
539 /* Disable RISC pause on FPM parity error. */
540 if (!IS_QLA2100(ha)) {
541 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
542 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
543 }
544
545 spin_unlock_irqrestore(&ha->hardware_lock, flags);
546 }
547
548 /**
549 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
550 * @ha: HA context
551 *
552 * Returns 0 on success.
553 */
554 static inline void
555 qla24xx_reset_risc(scsi_qla_host_t *ha)
556 {
557 unsigned long flags = 0;
558 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
559 uint32_t cnt, d2;
560 uint16_t wd;
561
562 spin_lock_irqsave(&ha->hardware_lock, flags);
563
564 /* Reset RISC. */
565 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
566 for (cnt = 0; cnt < 30000; cnt++) {
567 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
568 break;
569
570 udelay(10);
571 }
572
573 WRT_REG_DWORD(&reg->ctrl_status,
574 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
575 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
576
577 udelay(100);
578 /* Wait for firmware to complete NVRAM accesses. */
579 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
580 for (cnt = 10000 ; cnt && d2; cnt--) {
581 udelay(5);
582 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
583 barrier();
584 }
585
586 /* Wait for soft-reset to complete. */
587 d2 = RD_REG_DWORD(&reg->ctrl_status);
588 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
589 udelay(5);
590 d2 = RD_REG_DWORD(&reg->ctrl_status);
591 barrier();
592 }
593
594 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
595 RD_REG_DWORD(&reg->hccr);
596
597 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
598 RD_REG_DWORD(&reg->hccr);
599
600 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
601 RD_REG_DWORD(&reg->hccr);
602
603 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
604 for (cnt = 6000000 ; cnt && d2; cnt--) {
605 udelay(5);
606 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
607 barrier();
608 }
609
610 spin_unlock_irqrestore(&ha->hardware_lock, flags);
611 }
612
613 /**
614 * qla24xx_reset_chip() - Reset ISP24xx chip.
615 * @ha: HA context
616 *
617 * Returns 0 on success.
618 */
619 void
620 qla24xx_reset_chip(scsi_qla_host_t *ha)
621 {
622 ha->isp_ops.disable_intrs(ha);
623
624 /* Perform RISC reset. */
625 qla24xx_reset_risc(ha);
626 }
627
628 /**
629 * qla2x00_chip_diag() - Test chip for proper operation.
630 * @ha: HA context
631 *
632 * Returns 0 on success.
633 */
634 int
635 qla2x00_chip_diag(scsi_qla_host_t *ha)
636 {
637 int rval;
638 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
639 unsigned long flags = 0;
640 uint16_t data;
641 uint32_t cnt;
642 uint16_t mb[5];
643
644 /* Assume a failed state */
645 rval = QLA_FUNCTION_FAILED;
646
647 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
648 ha->host_no, (u_long)&reg->flash_address));
649
650 spin_lock_irqsave(&ha->hardware_lock, flags);
651
652 /* Reset ISP chip. */
653 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
654
655 /*
656 * We need to have a delay here since the card will not respond while
657 * in reset causing an MCA on some architectures.
658 */
659 udelay(20);
660 data = qla2x00_debounce_register(&reg->ctrl_status);
661 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
662 udelay(5);
663 data = RD_REG_WORD(&reg->ctrl_status);
664 barrier();
665 }
666
667 if (!cnt)
668 goto chip_diag_failed;
669
670 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
671 ha->host_no));
672
673 /* Reset RISC processor. */
674 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
675 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
676
677 /* Workaround for QLA2312 PCI parity error */
678 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
679 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
680 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
681 udelay(5);
682 data = RD_MAILBOX_REG(ha, reg, 0);
683 barrier();
684 }
685 } else
686 udelay(10);
687
688 if (!cnt)
689 goto chip_diag_failed;
690
691 /* Check product ID of chip */
692 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
693
694 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
695 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
696 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
697 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
698 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
699 mb[3] != PROD_ID_3) {
700 qla_printk(KERN_WARNING, ha,
701 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
702
703 goto chip_diag_failed;
704 }
705 ha->product_id[0] = mb[1];
706 ha->product_id[1] = mb[2];
707 ha->product_id[2] = mb[3];
708 ha->product_id[3] = mb[4];
709
710 /* Adjust fw RISC transfer size */
711 if (ha->request_q_length > 1024)
712 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
713 else
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
715 ha->request_q_length;
716
717 if (IS_QLA2200(ha) &&
718 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
719 /* Limit firmware transfer size with a 2200A */
720 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
721 ha->host_no));
722
723 ha->device_type |= DT_ISP2200A;
724 ha->fw_transfer_size = 128;
725 }
726
727 /* Wrap Incoming Mailboxes Test. */
728 spin_unlock_irqrestore(&ha->hardware_lock, flags);
729
730 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
731 rval = qla2x00_mbx_reg_test(ha);
732 if (rval) {
733 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
734 ha->host_no));
735 qla_printk(KERN_WARNING, ha,
736 "Failed mailbox send register test\n");
737 }
738 else {
739 /* Flag a successful rval */
740 rval = QLA_SUCCESS;
741 }
742 spin_lock_irqsave(&ha->hardware_lock, flags);
743
744 chip_diag_failed:
745 if (rval)
746 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
747 "****\n", ha->host_no));
748
749 spin_unlock_irqrestore(&ha->hardware_lock, flags);
750
751 return (rval);
752 }
753
754 /**
755 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
756 * @ha: HA context
757 *
758 * Returns 0 on success.
759 */
760 int
761 qla24xx_chip_diag(scsi_qla_host_t *ha)
762 {
763 int rval;
764
765 /* Perform RISC reset. */
766 qla24xx_reset_risc(ha);
767
768 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
769
770 rval = qla2x00_mbx_reg_test(ha);
771 if (rval) {
772 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
773 ha->host_no));
774 qla_printk(KERN_WARNING, ha,
775 "Failed mailbox send register test\n");
776 } else {
777 /* Flag a successful rval */
778 rval = QLA_SUCCESS;
779 }
780
781 return rval;
782 }
783
784 void
785 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
786 {
787 int rval;
788 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
789 eft_size;
790 dma_addr_t eft_dma;
791 void *eft;
792
793 if (ha->fw_dump) {
794 qla_printk(KERN_WARNING, ha,
795 "Firmware dump previously allocated.\n");
796 return;
797 }
798
799 ha->fw_dumped = 0;
800 fixed_size = mem_size = eft_size = 0;
801 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
802 fixed_size = sizeof(struct qla2100_fw_dump);
803 } else if (IS_QLA23XX(ha)) {
804 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
805 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
806 sizeof(uint16_t);
807 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
808 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
809 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
810 sizeof(uint32_t);
811
812 /* Allocate memory for Extended Trace Buffer. */
813 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
814 GFP_KERNEL);
815 if (!eft) {
816 qla_printk(KERN_WARNING, ha, "Unable to allocate "
817 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
818 goto cont_alloc;
819 }
820
821 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
822 EFT_NUM_BUFFERS);
823 if (rval) {
824 qla_printk(KERN_WARNING, ha, "Unable to initialize "
825 "EFT (%d).\n", rval);
826 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
827 eft_dma);
828 goto cont_alloc;
829 }
830
831 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
832 EFT_SIZE / 1024);
833
834 eft_size = EFT_SIZE;
835 memset(eft, 0, eft_size);
836 ha->eft_dma = eft_dma;
837 ha->eft = eft;
838 }
839 cont_alloc:
840 req_q_size = ha->request_q_length * sizeof(request_t);
841 rsp_q_size = ha->response_q_length * sizeof(response_t);
842
843 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
844 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
845 eft_size;
846
847 ha->fw_dump = vmalloc(dump_size);
848 if (!ha->fw_dump) {
849 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
850 "firmware dump!!!\n", dump_size / 1024);
851
852 if (ha->eft) {
853 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
854 ha->eft_dma);
855 ha->eft = NULL;
856 ha->eft_dma = 0;
857 }
858 return;
859 }
860
861 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
862 dump_size / 1024);
863
864 ha->fw_dump_len = dump_size;
865 ha->fw_dump->signature[0] = 'Q';
866 ha->fw_dump->signature[1] = 'L';
867 ha->fw_dump->signature[2] = 'G';
868 ha->fw_dump->signature[3] = 'C';
869 ha->fw_dump->version = __constant_htonl(1);
870
871 ha->fw_dump->fixed_size = htonl(fixed_size);
872 ha->fw_dump->mem_size = htonl(mem_size);
873 ha->fw_dump->req_q_size = htonl(req_q_size);
874 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
875
876 ha->fw_dump->eft_size = htonl(eft_size);
877 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
878 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
879
880 ha->fw_dump->header_size =
881 htonl(offsetof(struct qla2xxx_fw_dump, isp));
882 }
883
884 /**
885 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
886 * @ha: HA context
887 *
888 * Returns 0 on success.
889 */
890 static void
891 qla2x00_resize_request_q(scsi_qla_host_t *ha)
892 {
893 int rval;
894 uint16_t fw_iocb_cnt = 0;
895 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
896 dma_addr_t request_dma;
897 request_t *request_ring;
898
899 /* Valid only on recent ISPs. */
900 if (IS_QLA2100(ha) || IS_QLA2200(ha))
901 return;
902
903 /* Retrieve IOCB counts available to the firmware. */
904 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
905 if (rval)
906 return;
907 /* No point in continuing if current settings are sufficient. */
908 if (fw_iocb_cnt < 1024)
909 return;
910 if (ha->request_q_length >= request_q_length)
911 return;
912
913 /* Attempt to claim larger area for request queue. */
914 request_ring = dma_alloc_coherent(&ha->pdev->dev,
915 (request_q_length + 1) * sizeof(request_t), &request_dma,
916 GFP_KERNEL);
917 if (request_ring == NULL)
918 return;
919
920 /* Resize successful, report extensions. */
921 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
922 (ha->fw_memory_size + 1) / 1024);
923 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
924 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
925
926 /* Clear old allocations. */
927 dma_free_coherent(&ha->pdev->dev,
928 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
929 ha->request_dma);
930
931 /* Begin using larger queue. */
932 ha->request_q_length = request_q_length;
933 ha->request_ring = request_ring;
934 ha->request_dma = request_dma;
935 }
936
937 /**
938 * qla2x00_setup_chip() - Load and start RISC firmware.
939 * @ha: HA context
940 *
941 * Returns 0 on success.
942 */
943 static int
944 qla2x00_setup_chip(scsi_qla_host_t *ha)
945 {
946 int rval;
947 uint32_t srisc_address = 0;
948
949 /* Load firmware sequences */
950 rval = ha->isp_ops.load_risc(ha, &srisc_address);
951 if (rval == QLA_SUCCESS) {
952 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
953 "code.\n", ha->host_no));
954
955 rval = qla2x00_verify_checksum(ha, srisc_address);
956 if (rval == QLA_SUCCESS) {
957 /* Start firmware execution. */
958 DEBUG(printk("scsi(%ld): Checksum OK, start "
959 "firmware.\n", ha->host_no));
960
961 rval = qla2x00_execute_fw(ha, srisc_address);
962 /* Retrieve firmware information. */
963 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
964 qla2x00_get_fw_version(ha,
965 &ha->fw_major_version,
966 &ha->fw_minor_version,
967 &ha->fw_subminor_version,
968 &ha->fw_attributes, &ha->fw_memory_size);
969 qla2x00_resize_request_q(ha);
970
971 if (ql2xallocfwdump)
972 qla2x00_alloc_fw_dump(ha);
973 }
974 } else {
975 DEBUG2(printk(KERN_INFO
976 "scsi(%ld): ISP Firmware failed checksum.\n",
977 ha->host_no));
978 }
979 }
980
981 if (rval) {
982 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
983 ha->host_no));
984 }
985
986 return (rval);
987 }
988
989 /**
990 * qla2x00_init_response_q_entries() - Initializes response queue entries.
991 * @ha: HA context
992 *
993 * Beginning of request ring has initialization control block already built
994 * by nvram config routine.
995 *
996 * Returns 0 on success.
997 */
998 static void
999 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1000 {
1001 uint16_t cnt;
1002 response_t *pkt;
1003
1004 pkt = ha->response_ring_ptr;
1005 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1006 pkt->signature = RESPONSE_PROCESSED;
1007 pkt++;
1008 }
1009
1010 }
1011
1012 /**
1013 * qla2x00_update_fw_options() - Read and process firmware options.
1014 * @ha: HA context
1015 *
1016 * Returns 0 on success.
1017 */
1018 void
1019 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1020 {
1021 uint16_t swing, emphasis, tx_sens, rx_sens;
1022
1023 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1024 qla2x00_get_fw_options(ha, ha->fw_options);
1025
1026 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1027 return;
1028
1029 /* Serial Link options. */
1030 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1031 ha->host_no));
1032 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1033 sizeof(ha->fw_seriallink_options)));
1034
1035 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1036 if (ha->fw_seriallink_options[3] & BIT_2) {
1037 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1038
1039 /* 1G settings */
1040 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1041 emphasis = (ha->fw_seriallink_options[2] &
1042 (BIT_4 | BIT_3)) >> 3;
1043 tx_sens = ha->fw_seriallink_options[0] &
1044 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1045 rx_sens = (ha->fw_seriallink_options[0] &
1046 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1047 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1048 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1049 if (rx_sens == 0x0)
1050 rx_sens = 0x3;
1051 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1052 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1053 ha->fw_options[10] |= BIT_5 |
1054 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1055 (tx_sens & (BIT_1 | BIT_0));
1056
1057 /* 2G settings */
1058 swing = (ha->fw_seriallink_options[2] &
1059 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1060 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1061 tx_sens = ha->fw_seriallink_options[1] &
1062 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1063 rx_sens = (ha->fw_seriallink_options[1] &
1064 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1065 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1066 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1067 if (rx_sens == 0x0)
1068 rx_sens = 0x3;
1069 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1070 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1071 ha->fw_options[11] |= BIT_5 |
1072 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1073 (tx_sens & (BIT_1 | BIT_0));
1074 }
1075
1076 /* FCP2 options. */
1077 /* Return command IOCBs without waiting for an ABTS to complete. */
1078 ha->fw_options[3] |= BIT_13;
1079
1080 /* LED scheme. */
1081 if (ha->flags.enable_led_scheme)
1082 ha->fw_options[2] |= BIT_12;
1083
1084 /* Detect ISP6312. */
1085 if (IS_QLA6312(ha))
1086 ha->fw_options[2] |= BIT_13;
1087
1088 /* Update firmware options. */
1089 qla2x00_set_fw_options(ha, ha->fw_options);
1090 }
1091
1092 void
1093 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1094 {
1095 int rval;
1096
1097 /* Update Serial Link options. */
1098 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1099 return;
1100
1101 rval = qla2x00_set_serdes_params(ha,
1102 le16_to_cpu(ha->fw_seriallink_options24[1]),
1103 le16_to_cpu(ha->fw_seriallink_options24[2]),
1104 le16_to_cpu(ha->fw_seriallink_options24[3]));
1105 if (rval != QLA_SUCCESS) {
1106 qla_printk(KERN_WARNING, ha,
1107 "Unable to update Serial Link options (%x).\n", rval);
1108 }
1109 }
1110
1111 void
1112 qla2x00_config_rings(struct scsi_qla_host *ha)
1113 {
1114 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1115
1116 /* Setup ring parameters in initialization control block. */
1117 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1118 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1119 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1120 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1121 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1122 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1123 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1124 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1125
1126 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1127 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1128 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1129 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1130 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1131 }
1132
1133 void
1134 qla24xx_config_rings(struct scsi_qla_host *ha)
1135 {
1136 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1137 struct init_cb_24xx *icb;
1138
1139 /* Setup ring parameters in initialization control block. */
1140 icb = (struct init_cb_24xx *)ha->init_cb;
1141 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1142 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1143 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1144 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1145 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1146 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1147 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1148 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1149
1150 WRT_REG_DWORD(&reg->req_q_in, 0);
1151 WRT_REG_DWORD(&reg->req_q_out, 0);
1152 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1153 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1154 RD_REG_DWORD(&reg->rsp_q_out);
1155 }
1156
1157 /**
1158 * qla2x00_init_rings() - Initializes firmware.
1159 * @ha: HA context
1160 *
1161 * Beginning of request ring has initialization control block already built
1162 * by nvram config routine.
1163 *
1164 * Returns 0 on success.
1165 */
1166 static int
1167 qla2x00_init_rings(scsi_qla_host_t *ha)
1168 {
1169 int rval;
1170 unsigned long flags = 0;
1171 int cnt;
1172
1173 spin_lock_irqsave(&ha->hardware_lock, flags);
1174
1175 /* Clear outstanding commands array. */
1176 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1177 ha->outstanding_cmds[cnt] = NULL;
1178
1179 ha->current_outstanding_cmd = 0;
1180
1181 /* Clear RSCN queue. */
1182 ha->rscn_in_ptr = 0;
1183 ha->rscn_out_ptr = 0;
1184
1185 /* Initialize firmware. */
1186 ha->request_ring_ptr = ha->request_ring;
1187 ha->req_ring_index = 0;
1188 ha->req_q_cnt = ha->request_q_length;
1189 ha->response_ring_ptr = ha->response_ring;
1190 ha->rsp_ring_index = 0;
1191
1192 /* Initialize response queue entries */
1193 qla2x00_init_response_q_entries(ha);
1194
1195 ha->isp_ops.config_rings(ha);
1196
1197 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1198
1199 /* Update any ISP specific firmware options before initialization. */
1200 ha->isp_ops.update_fw_options(ha);
1201
1202 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1203 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1204 if (rval) {
1205 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1206 ha->host_no));
1207 } else {
1208 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1209 ha->host_no));
1210 }
1211
1212 return (rval);
1213 }
1214
1215 /**
1216 * qla2x00_fw_ready() - Waits for firmware ready.
1217 * @ha: HA context
1218 *
1219 * Returns 0 on success.
1220 */
1221 static int
1222 qla2x00_fw_ready(scsi_qla_host_t *ha)
1223 {
1224 int rval;
1225 unsigned long wtime, mtime;
1226 uint16_t min_wait; /* Minimum wait time if loop is down */
1227 uint16_t wait_time; /* Wait time if loop is coming ready */
1228 uint16_t fw_state;
1229
1230 rval = QLA_SUCCESS;
1231
1232 /* 20 seconds for loop down. */
1233 min_wait = 20;
1234
1235 /*
1236 * Firmware should take at most one RATOV to login, plus 5 seconds for
1237 * our own processing.
1238 */
1239 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1240 wait_time = min_wait;
1241 }
1242
1243 /* Min wait time if loop down */
1244 mtime = jiffies + (min_wait * HZ);
1245
1246 /* wait time before firmware ready */
1247 wtime = jiffies + (wait_time * HZ);
1248
1249 /* Wait for ISP to finish LIP */
1250 if (!ha->flags.init_done)
1251 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1252
1253 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1254 ha->host_no));
1255
1256 do {
1257 rval = qla2x00_get_firmware_state(ha, &fw_state);
1258 if (rval == QLA_SUCCESS) {
1259 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1260 ha->device_flags &= ~DFLG_NO_CABLE;
1261 }
1262 if (fw_state == FSTATE_READY) {
1263 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1264 ha->host_no));
1265
1266 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1267 &ha->login_timeout, &ha->r_a_tov);
1268
1269 rval = QLA_SUCCESS;
1270 break;
1271 }
1272
1273 rval = QLA_FUNCTION_FAILED;
1274
1275 if (atomic_read(&ha->loop_down_timer) &&
1276 fw_state != FSTATE_READY) {
1277 /* Loop down. Timeout on min_wait for states
1278 * other than Wait for Login.
1279 */
1280 if (time_after_eq(jiffies, mtime)) {
1281 qla_printk(KERN_INFO, ha,
1282 "Cable is unplugged...\n");
1283
1284 ha->device_flags |= DFLG_NO_CABLE;
1285 break;
1286 }
1287 }
1288 } else {
1289 /* Mailbox cmd failed. Timeout on min_wait. */
1290 if (time_after_eq(jiffies, mtime))
1291 break;
1292 }
1293
1294 if (time_after_eq(jiffies, wtime))
1295 break;
1296
1297 /* Delay for a while */
1298 msleep(500);
1299
1300 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1301 ha->host_no, fw_state, jiffies));
1302 } while (1);
1303
1304 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1305 ha->host_no, fw_state, jiffies));
1306
1307 if (rval) {
1308 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1309 ha->host_no));
1310 }
1311
1312 return (rval);
1313 }
1314
1315 /*
1316 * qla2x00_configure_hba
1317 * Setup adapter context.
1318 *
1319 * Input:
1320 * ha = adapter state pointer.
1321 *
1322 * Returns:
1323 * 0 = success
1324 *
1325 * Context:
1326 * Kernel context.
1327 */
1328 static int
1329 qla2x00_configure_hba(scsi_qla_host_t *ha)
1330 {
1331 int rval;
1332 uint16_t loop_id;
1333 uint16_t topo;
1334 uint8_t al_pa;
1335 uint8_t area;
1336 uint8_t domain;
1337 char connect_type[22];
1338
1339 /* Get host addresses. */
1340 rval = qla2x00_get_adapter_id(ha,
1341 &loop_id, &al_pa, &area, &domain, &topo);
1342 if (rval != QLA_SUCCESS) {
1343 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1344 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1345 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1346 __func__, ha->host_no));
1347 } else {
1348 qla_printk(KERN_WARNING, ha,
1349 "ERROR -- Unable to get host loop ID.\n");
1350 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1351 }
1352 return (rval);
1353 }
1354
1355 if (topo == 4) {
1356 qla_printk(KERN_INFO, ha,
1357 "Cannot get topology - retrying.\n");
1358 return (QLA_FUNCTION_FAILED);
1359 }
1360
1361 ha->loop_id = loop_id;
1362
1363 /* initialize */
1364 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1365 ha->operating_mode = LOOP;
1366
1367 switch (topo) {
1368 case 0:
1369 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1370 ha->host_no));
1371 ha->current_topology = ISP_CFG_NL;
1372 strcpy(connect_type, "(Loop)");
1373 break;
1374
1375 case 1:
1376 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1377 ha->host_no));
1378 ha->current_topology = ISP_CFG_FL;
1379 strcpy(connect_type, "(FL_Port)");
1380 break;
1381
1382 case 2:
1383 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1384 ha->host_no));
1385 ha->operating_mode = P2P;
1386 ha->current_topology = ISP_CFG_N;
1387 strcpy(connect_type, "(N_Port-to-N_Port)");
1388 break;
1389
1390 case 3:
1391 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1392 ha->host_no));
1393 ha->operating_mode = P2P;
1394 ha->current_topology = ISP_CFG_F;
1395 strcpy(connect_type, "(F_Port)");
1396 break;
1397
1398 default:
1399 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1400 "Using NL.\n",
1401 ha->host_no, topo));
1402 ha->current_topology = ISP_CFG_NL;
1403 strcpy(connect_type, "(Loop)");
1404 break;
1405 }
1406
1407 /* Save Host port and loop ID. */
1408 /* byte order - Big Endian */
1409 ha->d_id.b.domain = domain;
1410 ha->d_id.b.area = area;
1411 ha->d_id.b.al_pa = al_pa;
1412
1413 if (!ha->flags.init_done)
1414 qla_printk(KERN_INFO, ha,
1415 "Topology - %s, Host Loop address 0x%x\n",
1416 connect_type, ha->loop_id);
1417
1418 if (rval) {
1419 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1420 } else {
1421 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1422 }
1423
1424 return(rval);
1425 }
1426
1427 /*
1428 * NVRAM configuration for ISP 2xxx
1429 *
1430 * Input:
1431 * ha = adapter block pointer.
1432 *
1433 * Output:
1434 * initialization control block in response_ring
1435 * host adapters parameters in host adapter block
1436 *
1437 * Returns:
1438 * 0 = success.
1439 */
1440 int
1441 qla2x00_nvram_config(scsi_qla_host_t *ha)
1442 {
1443 int rval;
1444 uint8_t chksum = 0;
1445 uint16_t cnt;
1446 uint8_t *dptr1, *dptr2;
1447 init_cb_t *icb = ha->init_cb;
1448 nvram_t *nv = (nvram_t *)ha->request_ring;
1449 uint8_t *ptr = (uint8_t *)ha->request_ring;
1450 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1451
1452 rval = QLA_SUCCESS;
1453
1454 /* Determine NVRAM starting address. */
1455 ha->nvram_size = sizeof(nvram_t);
1456 ha->nvram_base = 0;
1457 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1458 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1459 ha->nvram_base = 0x80;
1460
1461 /* Get NVRAM data and calculate checksum. */
1462 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1463 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1464 chksum += *ptr++;
1465
1466 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1467 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1468 ha->nvram_size));
1469
1470 /* Bad NVRAM data, set defaults parameters. */
1471 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1472 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1473 /* Reset NVRAM data. */
1474 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1475 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1476 nv->nvram_version);
1477 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1478 "invalid -- WWPN) defaults.\n");
1479
1480 /*
1481 * Set default initialization control block.
1482 */
1483 memset(nv, 0, ha->nvram_size);
1484 nv->parameter_block_version = ICB_VERSION;
1485
1486 if (IS_QLA23XX(ha)) {
1487 nv->firmware_options[0] = BIT_2 | BIT_1;
1488 nv->firmware_options[1] = BIT_7 | BIT_5;
1489 nv->add_firmware_options[0] = BIT_5;
1490 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1491 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1492 nv->special_options[1] = BIT_7;
1493 } else if (IS_QLA2200(ha)) {
1494 nv->firmware_options[0] = BIT_2 | BIT_1;
1495 nv->firmware_options[1] = BIT_7 | BIT_5;
1496 nv->add_firmware_options[0] = BIT_5;
1497 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1498 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1499 } else if (IS_QLA2100(ha)) {
1500 nv->firmware_options[0] = BIT_3 | BIT_1;
1501 nv->firmware_options[1] = BIT_5;
1502 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1503 }
1504
1505 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1506 nv->execution_throttle = __constant_cpu_to_le16(16);
1507 nv->retry_count = 8;
1508 nv->retry_delay = 1;
1509
1510 nv->port_name[0] = 33;
1511 nv->port_name[3] = 224;
1512 nv->port_name[4] = 139;
1513
1514 nv->login_timeout = 4;
1515
1516 /*
1517 * Set default host adapter parameters
1518 */
1519 nv->host_p[1] = BIT_2;
1520 nv->reset_delay = 5;
1521 nv->port_down_retry_count = 8;
1522 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1523 nv->link_down_timeout = 60;
1524
1525 rval = 1;
1526 }
1527
1528 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1529 /*
1530 * The SN2 does not provide BIOS emulation which means you can't change
1531 * potentially bogus BIOS settings. Force the use of default settings
1532 * for link rate and frame size. Hope that the rest of the settings
1533 * are valid.
1534 */
1535 if (ia64_platform_is("sn2")) {
1536 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1537 if (IS_QLA23XX(ha))
1538 nv->special_options[1] = BIT_7;
1539 }
1540 #endif
1541
1542 /* Reset Initialization control block */
1543 memset(icb, 0, ha->init_cb_size);
1544
1545 /*
1546 * Setup driver NVRAM options.
1547 */
1548 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1549 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1550 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1551 nv->firmware_options[1] &= ~BIT_4;
1552
1553 if (IS_QLA23XX(ha)) {
1554 nv->firmware_options[0] |= BIT_2;
1555 nv->firmware_options[0] &= ~BIT_3;
1556 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1557
1558 if (IS_QLA2300(ha)) {
1559 if (ha->fb_rev == FPM_2310) {
1560 strcpy(ha->model_number, "QLA2310");
1561 } else {
1562 strcpy(ha->model_number, "QLA2300");
1563 }
1564 } else {
1565 if (rval == 0 &&
1566 memcmp(nv->model_number, BINZERO,
1567 sizeof(nv->model_number)) != 0) {
1568 char *st, *en;
1569
1570 strncpy(ha->model_number, nv->model_number,
1571 sizeof(nv->model_number));
1572 st = en = ha->model_number;
1573 en += sizeof(nv->model_number) - 1;
1574 while (en > st) {
1575 if (*en != 0x20 && *en != 0x00)
1576 break;
1577 *en-- = '\0';
1578 }
1579 } else {
1580 uint16_t index;
1581
1582 index = (ha->pdev->subsystem_device & 0xff);
1583 if (index < QLA_MODEL_NAMES) {
1584 strcpy(ha->model_number,
1585 qla2x00_model_name[index * 2]);
1586 ha->model_desc =
1587 qla2x00_model_name[index * 2 + 1];
1588 } else {
1589 strcpy(ha->model_number, "QLA23xx");
1590 }
1591 }
1592 }
1593 } else if (IS_QLA2200(ha)) {
1594 nv->firmware_options[0] |= BIT_2;
1595 /*
1596 * 'Point-to-point preferred, else loop' is not a safe
1597 * connection mode setting.
1598 */
1599 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1600 (BIT_5 | BIT_4)) {
1601 /* Force 'loop preferred, else point-to-point'. */
1602 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1603 nv->add_firmware_options[0] |= BIT_5;
1604 }
1605 strcpy(ha->model_number, "QLA22xx");
1606 } else /*if (IS_QLA2100(ha))*/ {
1607 strcpy(ha->model_number, "QLA2100");
1608 }
1609
1610 /*
1611 * Copy over NVRAM RISC parameter block to initialization control block.
1612 */
1613 dptr1 = (uint8_t *)icb;
1614 dptr2 = (uint8_t *)&nv->parameter_block_version;
1615 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1616 while (cnt--)
1617 *dptr1++ = *dptr2++;
1618
1619 /* Copy 2nd half. */
1620 dptr1 = (uint8_t *)icb->add_firmware_options;
1621 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1622 while (cnt--)
1623 *dptr1++ = *dptr2++;
1624
1625 /* Use alternate WWN? */
1626 if (nv->host_p[1] & BIT_7) {
1627 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1628 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1629 }
1630
1631 /* Prepare nodename */
1632 if ((icb->firmware_options[1] & BIT_6) == 0) {
1633 /*
1634 * Firmware will apply the following mask if the nodename was
1635 * not provided.
1636 */
1637 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1638 icb->node_name[0] &= 0xF0;
1639 }
1640
1641 /*
1642 * Set host adapter parameters.
1643 */
1644 if (nv->host_p[0] & BIT_7)
1645 extended_error_logging = 1;
1646 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1647 /* Always load RISC code on non ISP2[12]00 chips. */
1648 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1649 ha->flags.disable_risc_code_load = 0;
1650 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1651 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1652 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1653 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1654 ha->flags.disable_serdes = 0;
1655
1656 ha->operating_mode =
1657 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1658
1659 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1660 sizeof(ha->fw_seriallink_options));
1661
1662 /* save HBA serial number */
1663 ha->serial0 = icb->port_name[5];
1664 ha->serial1 = icb->port_name[6];
1665 ha->serial2 = icb->port_name[7];
1666 ha->node_name = icb->node_name;
1667 ha->port_name = icb->port_name;
1668
1669 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1670
1671 ha->retry_count = nv->retry_count;
1672
1673 /* Set minimum login_timeout to 4 seconds. */
1674 if (nv->login_timeout < ql2xlogintimeout)
1675 nv->login_timeout = ql2xlogintimeout;
1676 if (nv->login_timeout < 4)
1677 nv->login_timeout = 4;
1678 ha->login_timeout = nv->login_timeout;
1679 icb->login_timeout = nv->login_timeout;
1680
1681 /* Set minimum RATOV to 200 tenths of a second. */
1682 ha->r_a_tov = 200;
1683
1684 ha->loop_reset_delay = nv->reset_delay;
1685
1686 /* Link Down Timeout = 0:
1687 *
1688 * When Port Down timer expires we will start returning
1689 * I/O's to OS with "DID_NO_CONNECT".
1690 *
1691 * Link Down Timeout != 0:
1692 *
1693 * The driver waits for the link to come up after link down
1694 * before returning I/Os to OS with "DID_NO_CONNECT".
1695 */
1696 if (nv->link_down_timeout == 0) {
1697 ha->loop_down_abort_time =
1698 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1699 } else {
1700 ha->link_down_timeout = nv->link_down_timeout;
1701 ha->loop_down_abort_time =
1702 (LOOP_DOWN_TIME - ha->link_down_timeout);
1703 }
1704
1705 /*
1706 * Need enough time to try and get the port back.
1707 */
1708 ha->port_down_retry_count = nv->port_down_retry_count;
1709 if (qlport_down_retry)
1710 ha->port_down_retry_count = qlport_down_retry;
1711 /* Set login_retry_count */
1712 ha->login_retry_count = nv->retry_count;
1713 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1714 ha->port_down_retry_count > 3)
1715 ha->login_retry_count = ha->port_down_retry_count;
1716 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1717 ha->login_retry_count = ha->port_down_retry_count;
1718 if (ql2xloginretrycount)
1719 ha->login_retry_count = ql2xloginretrycount;
1720
1721 icb->lun_enables = __constant_cpu_to_le16(0);
1722 icb->command_resource_count = 0;
1723 icb->immediate_notify_resource_count = 0;
1724 icb->timeout = __constant_cpu_to_le16(0);
1725
1726 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1727 /* Enable RIO */
1728 icb->firmware_options[0] &= ~BIT_3;
1729 icb->add_firmware_options[0] &=
1730 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1731 icb->add_firmware_options[0] |= BIT_2;
1732 icb->response_accumulation_timer = 3;
1733 icb->interrupt_delay_timer = 5;
1734
1735 ha->flags.process_response_queue = 1;
1736 } else {
1737 /* Enable ZIO. */
1738 if (!ha->flags.init_done) {
1739 ha->zio_mode = icb->add_firmware_options[0] &
1740 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1741 ha->zio_timer = icb->interrupt_delay_timer ?
1742 icb->interrupt_delay_timer: 2;
1743 }
1744 icb->add_firmware_options[0] &=
1745 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1746 ha->flags.process_response_queue = 0;
1747 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1748 ha->zio_mode = QLA_ZIO_MODE_6;
1749
1750 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1751 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1752 ha->zio_timer * 100));
1753 qla_printk(KERN_INFO, ha,
1754 "ZIO mode %d enabled; timer delay (%d us).\n",
1755 ha->zio_mode, ha->zio_timer * 100);
1756
1757 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1758 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1759 ha->flags.process_response_queue = 1;
1760 }
1761 }
1762
1763 if (rval) {
1764 DEBUG2_3(printk(KERN_WARNING
1765 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1766 }
1767 return (rval);
1768 }
1769
1770 static void
1771 qla2x00_rport_del(void *data)
1772 {
1773 fc_port_t *fcport = data;
1774 struct fc_rport *rport;
1775 unsigned long flags;
1776
1777 spin_lock_irqsave(&fcport->rport_lock, flags);
1778 rport = fcport->drport;
1779 fcport->drport = NULL;
1780 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1781 if (rport)
1782 fc_remote_port_delete(rport);
1783
1784 }
1785
1786 /**
1787 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1788 * @ha: HA context
1789 * @flags: allocation flags
1790 *
1791 * Returns a pointer to the allocated fcport, or NULL, if none available.
1792 */
1793 fc_port_t *
1794 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1795 {
1796 fc_port_t *fcport;
1797
1798 fcport = kmalloc(sizeof(fc_port_t), flags);
1799 if (fcport == NULL)
1800 return (fcport);
1801
1802 /* Setup fcport template structure. */
1803 memset(fcport, 0, sizeof (fc_port_t));
1804 fcport->ha = ha;
1805 fcport->port_type = FCT_UNKNOWN;
1806 fcport->loop_id = FC_NO_LOOP_ID;
1807 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1808 fcport->flags = FCF_RLC_SUPPORT;
1809 fcport->supported_classes = FC_COS_UNSPECIFIED;
1810 spin_lock_init(&fcport->rport_lock);
1811
1812 return (fcport);
1813 }
1814
1815 /*
1816 * qla2x00_configure_loop
1817 * Updates Fibre Channel Device Database with what is actually on loop.
1818 *
1819 * Input:
1820 * ha = adapter block pointer.
1821 *
1822 * Returns:
1823 * 0 = success.
1824 * 1 = error.
1825 * 2 = database was full and device was not configured.
1826 */
1827 static int
1828 qla2x00_configure_loop(scsi_qla_host_t *ha)
1829 {
1830 int rval;
1831 unsigned long flags, save_flags;
1832
1833 rval = QLA_SUCCESS;
1834
1835 /* Get Initiator ID */
1836 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1837 rval = qla2x00_configure_hba(ha);
1838 if (rval != QLA_SUCCESS) {
1839 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1840 ha->host_no));
1841 return (rval);
1842 }
1843 }
1844
1845 save_flags = flags = ha->dpc_flags;
1846 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1847 ha->host_no, flags));
1848
1849 /*
1850 * If we have both an RSCN and PORT UPDATE pending then handle them
1851 * both at the same time.
1852 */
1853 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1854 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1855
1856 /* Determine what we need to do */
1857 if (ha->current_topology == ISP_CFG_FL &&
1858 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1859
1860 ha->flags.rscn_queue_overflow = 1;
1861 set_bit(RSCN_UPDATE, &flags);
1862
1863 } else if (ha->current_topology == ISP_CFG_F &&
1864 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1865
1866 ha->flags.rscn_queue_overflow = 1;
1867 set_bit(RSCN_UPDATE, &flags);
1868 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1869
1870 } else if (ha->current_topology == ISP_CFG_N) {
1871 clear_bit(RSCN_UPDATE, &flags);
1872
1873 } else if (!ha->flags.online ||
1874 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1875
1876 ha->flags.rscn_queue_overflow = 1;
1877 set_bit(RSCN_UPDATE, &flags);
1878 set_bit(LOCAL_LOOP_UPDATE, &flags);
1879 }
1880
1881 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1882 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1883 rval = QLA_FUNCTION_FAILED;
1884 } else {
1885 rval = qla2x00_configure_local_loop(ha);
1886 }
1887 }
1888
1889 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1890 if (LOOP_TRANSITION(ha)) {
1891 rval = QLA_FUNCTION_FAILED;
1892 } else {
1893 rval = qla2x00_configure_fabric(ha);
1894 }
1895 }
1896
1897 if (rval == QLA_SUCCESS) {
1898 if (atomic_read(&ha->loop_down_timer) ||
1899 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1900 rval = QLA_FUNCTION_FAILED;
1901 } else {
1902 atomic_set(&ha->loop_state, LOOP_READY);
1903
1904 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1905 }
1906 }
1907
1908 if (rval) {
1909 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1910 __func__, ha->host_no));
1911 } else {
1912 DEBUG3(printk("%s: exiting normally\n", __func__));
1913 }
1914
1915 /* Restore state if a resync event occured during processing */
1916 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1917 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1918 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1919 if (test_bit(RSCN_UPDATE, &save_flags))
1920 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1921 }
1922
1923 return (rval);
1924 }
1925
1926
1927
1928 /*
1929 * qla2x00_configure_local_loop
1930 * Updates Fibre Channel Device Database with local loop devices.
1931 *
1932 * Input:
1933 * ha = adapter block pointer.
1934 *
1935 * Returns:
1936 * 0 = success.
1937 */
1938 static int
1939 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1940 {
1941 int rval, rval2;
1942 int found_devs;
1943 int found;
1944 fc_port_t *fcport, *new_fcport;
1945
1946 uint16_t index;
1947 uint16_t entries;
1948 char *id_iter;
1949 uint16_t loop_id;
1950 uint8_t domain, area, al_pa;
1951
1952 found_devs = 0;
1953 new_fcport = NULL;
1954 entries = MAX_FIBRE_DEVICES;
1955
1956 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1957 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1958
1959 /* Get list of logged in devices. */
1960 memset(ha->gid_list, 0, GID_LIST_SIZE);
1961 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1962 &entries);
1963 if (rval != QLA_SUCCESS)
1964 goto cleanup_allocation;
1965
1966 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1967 ha->host_no, entries));
1968 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1969 entries * sizeof(struct gid_list_info)));
1970
1971 /* Allocate temporary fcport for any new fcports discovered. */
1972 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1973 if (new_fcport == NULL) {
1974 rval = QLA_MEMORY_ALLOC_FAILED;
1975 goto cleanup_allocation;
1976 }
1977 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1978
1979 /*
1980 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1981 */
1982 list_for_each_entry(fcport, &ha->fcports, list) {
1983 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1984 fcport->port_type != FCT_BROADCAST &&
1985 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1986
1987 DEBUG(printk("scsi(%ld): Marking port lost, "
1988 "loop_id=0x%04x\n",
1989 ha->host_no, fcport->loop_id));
1990
1991 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1992 fcport->flags &= ~FCF_FARP_DONE;
1993 }
1994 }
1995
1996 /* Add devices to port list. */
1997 id_iter = (char *)ha->gid_list;
1998 for (index = 0; index < entries; index++) {
1999 domain = ((struct gid_list_info *)id_iter)->domain;
2000 area = ((struct gid_list_info *)id_iter)->area;
2001 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2002 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2003 loop_id = (uint16_t)
2004 ((struct gid_list_info *)id_iter)->loop_id_2100;
2005 else
2006 loop_id = le16_to_cpu(
2007 ((struct gid_list_info *)id_iter)->loop_id);
2008 id_iter += ha->gid_list_info_size;
2009
2010 /* Bypass reserved domain fields. */
2011 if ((domain & 0xf0) == 0xf0)
2012 continue;
2013
2014 /* Bypass if not same domain and area of adapter. */
2015 if (area && domain &&
2016 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2017 continue;
2018
2019 /* Bypass invalid local loop ID. */
2020 if (loop_id > LAST_LOCAL_LOOP_ID)
2021 continue;
2022
2023 /* Fill in member data. */
2024 new_fcport->d_id.b.domain = domain;
2025 new_fcport->d_id.b.area = area;
2026 new_fcport->d_id.b.al_pa = al_pa;
2027 new_fcport->loop_id = loop_id;
2028 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2029 if (rval2 != QLA_SUCCESS) {
2030 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2031 "information -- get_port_database=%x, "
2032 "loop_id=0x%04x\n",
2033 ha->host_no, rval2, new_fcport->loop_id));
2034 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2035 ha->host_no));
2036 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2037 continue;
2038 }
2039
2040 /* Check for matching device in port list. */
2041 found = 0;
2042 fcport = NULL;
2043 list_for_each_entry(fcport, &ha->fcports, list) {
2044 if (memcmp(new_fcport->port_name, fcport->port_name,
2045 WWN_SIZE))
2046 continue;
2047
2048 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2049 FCF_PERSISTENT_BOUND);
2050 fcport->loop_id = new_fcport->loop_id;
2051 fcport->port_type = new_fcport->port_type;
2052 fcport->d_id.b24 = new_fcport->d_id.b24;
2053 memcpy(fcport->node_name, new_fcport->node_name,
2054 WWN_SIZE);
2055
2056 found++;
2057 break;
2058 }
2059
2060 if (!found) {
2061 /* New device, add to fcports list. */
2062 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2063 list_add_tail(&new_fcport->list, &ha->fcports);
2064
2065 /* Allocate a new replacement fcport. */
2066 fcport = new_fcport;
2067 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2068 if (new_fcport == NULL) {
2069 rval = QLA_MEMORY_ALLOC_FAILED;
2070 goto cleanup_allocation;
2071 }
2072 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2073 }
2074
2075 qla2x00_update_fcport(ha, fcport);
2076
2077 found_devs++;
2078 }
2079
2080 cleanup_allocation:
2081 kfree(new_fcport);
2082
2083 if (rval != QLA_SUCCESS) {
2084 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2085 "rval=%x\n", ha->host_no, rval));
2086 }
2087
2088 if (found_devs) {
2089 ha->device_flags |= DFLG_LOCAL_DEVICES;
2090 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2091 }
2092
2093 return (rval);
2094 }
2095
2096 static void
2097 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2098 {
2099 fc_port_t *fcport;
2100
2101 qla2x00_mark_all_devices_lost(ha, 0);
2102 list_for_each_entry(fcport, &ha->fcports, list) {
2103 if (fcport->port_type != FCT_TARGET)
2104 continue;
2105
2106 qla2x00_update_fcport(ha, fcport);
2107 }
2108 }
2109
2110 /*
2111 * qla2x00_update_fcport
2112 * Updates device on list.
2113 *
2114 * Input:
2115 * ha = adapter block pointer.
2116 * fcport = port structure pointer.
2117 *
2118 * Return:
2119 * 0 - Success
2120 * BIT_0 - error
2121 *
2122 * Context:
2123 * Kernel context.
2124 */
2125 void
2126 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2127 {
2128 fcport->ha = ha;
2129 fcport->login_retry = 0;
2130 fcport->port_login_retry_count = ha->port_down_retry_count *
2131 PORT_RETRY_TIME;
2132 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2133 PORT_RETRY_TIME);
2134 fcport->flags &= ~FCF_LOGIN_NEEDED;
2135
2136 atomic_set(&fcport->state, FCS_ONLINE);
2137
2138 if (ha->flags.init_done)
2139 qla2x00_reg_remote_port(ha, fcport);
2140 }
2141
2142 void
2143 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2144 {
2145 struct fc_rport_identifiers rport_ids;
2146 struct fc_rport *rport;
2147 unsigned long flags;
2148
2149 if (fcport->drport)
2150 qla2x00_rport_del(fcport);
2151 if (fcport->rport)
2152 return;
2153
2154 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2155 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2156 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2157 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2158 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2159 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2160 if (!rport) {
2161 qla_printk(KERN_WARNING, ha,
2162 "Unable to allocate fc remote port!\n");
2163 return;
2164 }
2165 spin_lock_irqsave(&fcport->rport_lock, flags);
2166 fcport->rport = rport;
2167 *((fc_port_t **)rport->dd_data) = fcport;
2168 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2169
2170 rport->supported_classes = fcport->supported_classes;
2171
2172 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2173 if (fcport->port_type == FCT_INITIATOR)
2174 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2175 if (fcport->port_type == FCT_TARGET)
2176 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2177 fc_remote_port_rolechg(rport, rport_ids.roles);
2178
2179 if (rport->scsi_target_id != -1 &&
2180 rport->scsi_target_id < ha->host->max_id)
2181 fcport->os_target_id = rport->scsi_target_id;
2182 }
2183
2184 /*
2185 * qla2x00_configure_fabric
2186 * Setup SNS devices with loop ID's.
2187 *
2188 * Input:
2189 * ha = adapter block pointer.
2190 *
2191 * Returns:
2192 * 0 = success.
2193 * BIT_0 = error
2194 */
2195 static int
2196 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2197 {
2198 int rval, rval2;
2199 fc_port_t *fcport, *fcptemp;
2200 uint16_t next_loopid;
2201 uint16_t mb[MAILBOX_REGISTER_COUNT];
2202 uint16_t loop_id;
2203 LIST_HEAD(new_fcports);
2204
2205 /* If FL port exists, then SNS is present */
2206 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2207 loop_id = NPH_F_PORT;
2208 else
2209 loop_id = SNS_FL_PORT;
2210 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2211 if (rval != QLA_SUCCESS) {
2212 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2213 "Port\n", ha->host_no));
2214
2215 ha->device_flags &= ~SWITCH_FOUND;
2216 return (QLA_SUCCESS);
2217 }
2218
2219 /* Mark devices that need re-synchronization. */
2220 rval2 = qla2x00_device_resync(ha);
2221 if (rval2 == QLA_RSCNS_HANDLED) {
2222 /* No point doing the scan, just continue. */
2223 return (QLA_SUCCESS);
2224 }
2225 do {
2226 /* FDMI support. */
2227 if (ql2xfdmienable &&
2228 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2229 qla2x00_fdmi_register(ha);
2230
2231 /* Ensure we are logged into the SNS. */
2232 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2233 loop_id = NPH_SNS;
2234 else
2235 loop_id = SIMPLE_NAME_SERVER;
2236 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2237 0xfc, mb, BIT_1 | BIT_0);
2238 if (mb[0] != MBS_COMMAND_COMPLETE) {
2239 DEBUG2(qla_printk(KERN_INFO, ha,
2240 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2241 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2242 mb[0], mb[1], mb[2], mb[6], mb[7]));
2243 return (QLA_SUCCESS);
2244 }
2245
2246 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2247 if (qla2x00_rft_id(ha)) {
2248 /* EMPTY */
2249 DEBUG2(printk("scsi(%ld): Register FC-4 "
2250 "TYPE failed.\n", ha->host_no));
2251 }
2252 if (qla2x00_rff_id(ha)) {
2253 /* EMPTY */
2254 DEBUG2(printk("scsi(%ld): Register FC-4 "
2255 "Features failed.\n", ha->host_no));
2256 }
2257 if (qla2x00_rnn_id(ha)) {
2258 /* EMPTY */
2259 DEBUG2(printk("scsi(%ld): Register Node Name "
2260 "failed.\n", ha->host_no));
2261 } else if (qla2x00_rsnn_nn(ha)) {
2262 /* EMPTY */
2263 DEBUG2(printk("scsi(%ld): Register Symbolic "
2264 "Node Name failed.\n", ha->host_no));
2265 }
2266 }
2267
2268 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2269 if (rval != QLA_SUCCESS)
2270 break;
2271
2272 /*
2273 * Logout all previous fabric devices marked lost, except
2274 * tape devices.
2275 */
2276 list_for_each_entry(fcport, &ha->fcports, list) {
2277 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2278 break;
2279
2280 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2281 continue;
2282
2283 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2284 qla2x00_mark_device_lost(ha, fcport,
2285 ql2xplogiabsentdevice, 0);
2286 if (fcport->loop_id != FC_NO_LOOP_ID &&
2287 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2288 fcport->port_type != FCT_INITIATOR &&
2289 fcport->port_type != FCT_BROADCAST) {
2290 ha->isp_ops.fabric_logout(ha,
2291 fcport->loop_id,
2292 fcport->d_id.b.domain,
2293 fcport->d_id.b.area,
2294 fcport->d_id.b.al_pa);
2295 fcport->loop_id = FC_NO_LOOP_ID;
2296 }
2297 }
2298 }
2299
2300 /* Starting free loop ID. */
2301 next_loopid = ha->min_external_loopid;
2302
2303 /*
2304 * Scan through our port list and login entries that need to be
2305 * logged in.
2306 */
2307 list_for_each_entry(fcport, &ha->fcports, list) {
2308 if (atomic_read(&ha->loop_down_timer) ||
2309 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2310 break;
2311
2312 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2313 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2314 continue;
2315
2316 if (fcport->loop_id == FC_NO_LOOP_ID) {
2317 fcport->loop_id = next_loopid;
2318 rval = qla2x00_find_new_loop_id(ha, fcport);
2319 if (rval != QLA_SUCCESS) {
2320 /* Ran out of IDs to use */
2321 break;
2322 }
2323 }
2324 /* Login and update database */
2325 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2326 }
2327
2328 /* Exit if out of loop IDs. */
2329 if (rval != QLA_SUCCESS) {
2330 break;
2331 }
2332
2333 /*
2334 * Login and add the new devices to our port list.
2335 */
2336 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2337 if (atomic_read(&ha->loop_down_timer) ||
2338 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2339 break;
2340
2341 /* Find a new loop ID to use. */
2342 fcport->loop_id = next_loopid;
2343 rval = qla2x00_find_new_loop_id(ha, fcport);
2344 if (rval != QLA_SUCCESS) {
2345 /* Ran out of IDs to use */
2346 break;
2347 }
2348
2349 /* Remove device from the new list and add it to DB */
2350 list_move_tail(&fcport->list, &ha->fcports);
2351
2352 /* Login and update database */
2353 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2354 }
2355 } while (0);
2356
2357 /* Free all new device structures not processed. */
2358 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2359 list_del(&fcport->list);
2360 kfree(fcport);
2361 }
2362
2363 if (rval) {
2364 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2365 "rval=%d\n", ha->host_no, rval));
2366 }
2367
2368 return (rval);
2369 }
2370
2371
2372 /*
2373 * qla2x00_find_all_fabric_devs
2374 *
2375 * Input:
2376 * ha = adapter block pointer.
2377 * dev = database device entry pointer.
2378 *
2379 * Returns:
2380 * 0 = success.
2381 *
2382 * Context:
2383 * Kernel context.
2384 */
2385 static int
2386 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2387 {
2388 int rval;
2389 uint16_t loop_id;
2390 fc_port_t *fcport, *new_fcport, *fcptemp;
2391 int found;
2392
2393 sw_info_t *swl;
2394 int swl_idx;
2395 int first_dev, last_dev;
2396 port_id_t wrap, nxt_d_id;
2397
2398 rval = QLA_SUCCESS;
2399
2400 /* Try GID_PT to get device list, else GAN. */
2401 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2402 if (swl == NULL) {
2403 /*EMPTY*/
2404 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2405 "on GA_NXT\n", ha->host_no));
2406 } else {
2407 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2408 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2409 kfree(swl);
2410 swl = NULL;
2411 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2412 kfree(swl);
2413 swl = NULL;
2414 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2415 kfree(swl);
2416 swl = NULL;
2417 }
2418 }
2419 swl_idx = 0;
2420
2421 /* Allocate temporary fcport for any new fcports discovered. */
2422 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2423 if (new_fcport == NULL) {
2424 kfree(swl);
2425 return (QLA_MEMORY_ALLOC_FAILED);
2426 }
2427 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2428
2429 /* Set start port ID scan at adapter ID. */
2430 first_dev = 1;
2431 last_dev = 0;
2432
2433 /* Starting free loop ID. */
2434 loop_id = ha->min_external_loopid;
2435 for (; loop_id <= ha->last_loop_id; loop_id++) {
2436 if (qla2x00_is_reserved_id(ha, loop_id))
2437 continue;
2438
2439 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2440 break;
2441
2442 if (swl != NULL) {
2443 if (last_dev) {
2444 wrap.b24 = new_fcport->d_id.b24;
2445 } else {
2446 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2447 memcpy(new_fcport->node_name,
2448 swl[swl_idx].node_name, WWN_SIZE);
2449 memcpy(new_fcport->port_name,
2450 swl[swl_idx].port_name, WWN_SIZE);
2451
2452 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2453 last_dev = 1;
2454 }
2455 swl_idx++;
2456 }
2457 } else {
2458 /* Send GA_NXT to the switch */
2459 rval = qla2x00_ga_nxt(ha, new_fcport);
2460 if (rval != QLA_SUCCESS) {
2461 qla_printk(KERN_WARNING, ha,
2462 "SNS scan failed -- assuming zero-entry "
2463 "result...\n");
2464 list_for_each_entry_safe(fcport, fcptemp,
2465 new_fcports, list) {
2466 list_del(&fcport->list);
2467 kfree(fcport);
2468 }
2469 rval = QLA_SUCCESS;
2470 break;
2471 }
2472 }
2473
2474 /* If wrap on switch device list, exit. */
2475 if (first_dev) {
2476 wrap.b24 = new_fcport->d_id.b24;
2477 first_dev = 0;
2478 } else if (new_fcport->d_id.b24 == wrap.b24) {
2479 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2480 ha->host_no, new_fcport->d_id.b.domain,
2481 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2482 break;
2483 }
2484
2485 /* Bypass if host adapter. */
2486 if (new_fcport->d_id.b24 == ha->d_id.b24)
2487 continue;
2488
2489 /* Bypass if same domain and area of adapter. */
2490 if (((new_fcport->d_id.b24 & 0xffff00) ==
2491 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2492 ISP_CFG_FL)
2493 continue;
2494
2495 /* Bypass reserved domain fields. */
2496 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2497 continue;
2498
2499 /* Locate matching device in database. */
2500 found = 0;
2501 list_for_each_entry(fcport, &ha->fcports, list) {
2502 if (memcmp(new_fcport->port_name, fcport->port_name,
2503 WWN_SIZE))
2504 continue;
2505
2506 found++;
2507
2508 /*
2509 * If address the same and state FCS_ONLINE, nothing
2510 * changed.
2511 */
2512 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2513 atomic_read(&fcport->state) == FCS_ONLINE) {
2514 break;
2515 }
2516
2517 /*
2518 * If device was not a fabric device before.
2519 */
2520 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2521 fcport->d_id.b24 = new_fcport->d_id.b24;
2522 fcport->loop_id = FC_NO_LOOP_ID;
2523 fcport->flags |= (FCF_FABRIC_DEVICE |
2524 FCF_LOGIN_NEEDED);
2525 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2526 break;
2527 }
2528
2529 /*
2530 * Port ID changed or device was marked to be updated;
2531 * Log it out if still logged in and mark it for
2532 * relogin later.
2533 */
2534 fcport->d_id.b24 = new_fcport->d_id.b24;
2535 fcport->flags |= FCF_LOGIN_NEEDED;
2536 if (fcport->loop_id != FC_NO_LOOP_ID &&
2537 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2538 fcport->port_type != FCT_INITIATOR &&
2539 fcport->port_type != FCT_BROADCAST) {
2540 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2541 fcport->d_id.b.domain, fcport->d_id.b.area,
2542 fcport->d_id.b.al_pa);
2543 fcport->loop_id = FC_NO_LOOP_ID;
2544 }
2545
2546 break;
2547 }
2548
2549 if (found)
2550 continue;
2551
2552 /* If device was not in our fcports list, then add it. */
2553 list_add_tail(&new_fcport->list, new_fcports);
2554
2555 /* Allocate a new replacement fcport. */
2556 nxt_d_id.b24 = new_fcport->d_id.b24;
2557 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2558 if (new_fcport == NULL) {
2559 kfree(swl);
2560 return (QLA_MEMORY_ALLOC_FAILED);
2561 }
2562 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2563 new_fcport->d_id.b24 = nxt_d_id.b24;
2564 }
2565
2566 kfree(swl);
2567 kfree(new_fcport);
2568
2569 if (!list_empty(new_fcports))
2570 ha->device_flags |= DFLG_FABRIC_DEVICES;
2571
2572 return (rval);
2573 }
2574
2575 /*
2576 * qla2x00_find_new_loop_id
2577 * Scan through our port list and find a new usable loop ID.
2578 *
2579 * Input:
2580 * ha: adapter state pointer.
2581 * dev: port structure pointer.
2582 *
2583 * Returns:
2584 * qla2x00 local function return status code.
2585 *
2586 * Context:
2587 * Kernel context.
2588 */
2589 int
2590 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2591 {
2592 int rval;
2593 int found;
2594 fc_port_t *fcport;
2595 uint16_t first_loop_id;
2596
2597 rval = QLA_SUCCESS;
2598
2599 /* Save starting loop ID. */
2600 first_loop_id = dev->loop_id;
2601
2602 for (;;) {
2603 /* Skip loop ID if already used by adapter. */
2604 if (dev->loop_id == ha->loop_id) {
2605 dev->loop_id++;
2606 }
2607
2608 /* Skip reserved loop IDs. */
2609 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2610 dev->loop_id++;
2611 }
2612
2613 /* Reset loop ID if passed the end. */
2614 if (dev->loop_id > ha->last_loop_id) {
2615 /* first loop ID. */
2616 dev->loop_id = ha->min_external_loopid;
2617 }
2618
2619 /* Check for loop ID being already in use. */
2620 found = 0;
2621 fcport = NULL;
2622 list_for_each_entry(fcport, &ha->fcports, list) {
2623 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2624 /* ID possibly in use */
2625 found++;
2626 break;
2627 }
2628 }
2629
2630 /* If not in use then it is free to use. */
2631 if (!found) {
2632 break;
2633 }
2634
2635 /* ID in use. Try next value. */
2636 dev->loop_id++;
2637
2638 /* If wrap around. No free ID to use. */
2639 if (dev->loop_id == first_loop_id) {
2640 dev->loop_id = FC_NO_LOOP_ID;
2641 rval = QLA_FUNCTION_FAILED;
2642 break;
2643 }
2644 }
2645
2646 return (rval);
2647 }
2648
2649 /*
2650 * qla2x00_device_resync
2651 * Marks devices in the database that needs resynchronization.
2652 *
2653 * Input:
2654 * ha = adapter block pointer.
2655 *
2656 * Context:
2657 * Kernel context.
2658 */
2659 static int
2660 qla2x00_device_resync(scsi_qla_host_t *ha)
2661 {
2662 int rval;
2663 uint32_t mask;
2664 fc_port_t *fcport;
2665 uint32_t rscn_entry;
2666 uint8_t rscn_out_iter;
2667 uint8_t format;
2668 port_id_t d_id;
2669
2670 rval = QLA_RSCNS_HANDLED;
2671
2672 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2673 ha->flags.rscn_queue_overflow) {
2674
2675 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2676 format = MSB(MSW(rscn_entry));
2677 d_id.b.domain = LSB(MSW(rscn_entry));
2678 d_id.b.area = MSB(LSW(rscn_entry));
2679 d_id.b.al_pa = LSB(LSW(rscn_entry));
2680
2681 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2682 "[%02x/%02x%02x%02x].\n",
2683 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2684 d_id.b.area, d_id.b.al_pa));
2685
2686 ha->rscn_out_ptr++;
2687 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2688 ha->rscn_out_ptr = 0;
2689
2690 /* Skip duplicate entries. */
2691 for (rscn_out_iter = ha->rscn_out_ptr;
2692 !ha->flags.rscn_queue_overflow &&
2693 rscn_out_iter != ha->rscn_in_ptr;
2694 rscn_out_iter = (rscn_out_iter ==
2695 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2696
2697 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2698 break;
2699
2700 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2701 "entry found at [%d].\n", ha->host_no,
2702 rscn_out_iter));
2703
2704 ha->rscn_out_ptr = rscn_out_iter;
2705 }
2706
2707 /* Queue overflow, set switch default case. */
2708 if (ha->flags.rscn_queue_overflow) {
2709 DEBUG(printk("scsi(%ld): device_resync: rscn "
2710 "overflow.\n", ha->host_no));
2711
2712 format = 3;
2713 ha->flags.rscn_queue_overflow = 0;
2714 }
2715
2716 switch (format) {
2717 case 0:
2718 mask = 0xffffff;
2719 break;
2720 case 1:
2721 mask = 0xffff00;
2722 break;
2723 case 2:
2724 mask = 0xff0000;
2725 break;
2726 default:
2727 mask = 0x0;
2728 d_id.b24 = 0;
2729 ha->rscn_out_ptr = ha->rscn_in_ptr;
2730 break;
2731 }
2732
2733 rval = QLA_SUCCESS;
2734
2735 list_for_each_entry(fcport, &ha->fcports, list) {
2736 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2737 (fcport->d_id.b24 & mask) != d_id.b24 ||
2738 fcport->port_type == FCT_BROADCAST)
2739 continue;
2740
2741 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2742 if (format != 3 ||
2743 fcport->port_type != FCT_INITIATOR) {
2744 qla2x00_mark_device_lost(ha, fcport,
2745 0, 0);
2746 }
2747 }
2748 fcport->flags &= ~FCF_FARP_DONE;
2749 }
2750 }
2751 return (rval);
2752 }
2753
2754 /*
2755 * qla2x00_fabric_dev_login
2756 * Login fabric target device and update FC port database.
2757 *
2758 * Input:
2759 * ha: adapter state pointer.
2760 * fcport: port structure list pointer.
2761 * next_loopid: contains value of a new loop ID that can be used
2762 * by the next login attempt.
2763 *
2764 * Returns:
2765 * qla2x00 local function return status code.
2766 *
2767 * Context:
2768 * Kernel context.
2769 */
2770 static int
2771 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2772 uint16_t *next_loopid)
2773 {
2774 int rval;
2775 int retry;
2776 uint8_t opts;
2777
2778 rval = QLA_SUCCESS;
2779 retry = 0;
2780
2781 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2782 if (rval == QLA_SUCCESS) {
2783 /* Send an ADISC to tape devices.*/
2784 opts = 0;
2785 if (fcport->flags & FCF_TAPE_PRESENT)
2786 opts |= BIT_1;
2787 rval = qla2x00_get_port_database(ha, fcport, opts);
2788 if (rval != QLA_SUCCESS) {
2789 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2790 fcport->d_id.b.domain, fcport->d_id.b.area,
2791 fcport->d_id.b.al_pa);
2792 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2793 } else {
2794 qla2x00_update_fcport(ha, fcport);
2795 }
2796 }
2797
2798 return (rval);
2799 }
2800
2801 /*
2802 * qla2x00_fabric_login
2803 * Issue fabric login command.
2804 *
2805 * Input:
2806 * ha = adapter block pointer.
2807 * device = pointer to FC device type structure.
2808 *
2809 * Returns:
2810 * 0 - Login successfully
2811 * 1 - Login failed
2812 * 2 - Initiator device
2813 * 3 - Fatal error
2814 */
2815 int
2816 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2817 uint16_t *next_loopid)
2818 {
2819 int rval;
2820 int retry;
2821 uint16_t tmp_loopid;
2822 uint16_t mb[MAILBOX_REGISTER_COUNT];
2823
2824 retry = 0;
2825 tmp_loopid = 0;
2826
2827 for (;;) {
2828 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2829 "for port %02x%02x%02x.\n",
2830 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2831 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2832
2833 /* Login fcport on switch. */
2834 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2835 fcport->d_id.b.domain, fcport->d_id.b.area,
2836 fcport->d_id.b.al_pa, mb, BIT_0);
2837 if (mb[0] == MBS_PORT_ID_USED) {
2838 /*
2839 * Device has another loop ID. The firmware team
2840 * recommends the driver perform an implicit login with
2841 * the specified ID again. The ID we just used is save
2842 * here so we return with an ID that can be tried by
2843 * the next login.
2844 */
2845 retry++;
2846 tmp_loopid = fcport->loop_id;
2847 fcport->loop_id = mb[1];
2848
2849 DEBUG(printk("Fabric Login: port in use - next "
2850 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2851 fcport->loop_id, fcport->d_id.b.domain,
2852 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2853
2854 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2855 /*
2856 * Login succeeded.
2857 */
2858 if (retry) {
2859 /* A retry occurred before. */
2860 *next_loopid = tmp_loopid;
2861 } else {
2862 /*
2863 * No retry occurred before. Just increment the
2864 * ID value for next login.
2865 */
2866 *next_loopid = (fcport->loop_id + 1);
2867 }
2868
2869 if (mb[1] & BIT_0) {
2870 fcport->port_type = FCT_INITIATOR;
2871 } else {
2872 fcport->port_type = FCT_TARGET;
2873 if (mb[1] & BIT_1) {
2874 fcport->flags |= FCF_TAPE_PRESENT;
2875 }
2876 }
2877
2878 if (mb[10] & BIT_0)
2879 fcport->supported_classes |= FC_COS_CLASS2;
2880 if (mb[10] & BIT_1)
2881 fcport->supported_classes |= FC_COS_CLASS3;
2882
2883 rval = QLA_SUCCESS;
2884 break;
2885 } else if (mb[0] == MBS_LOOP_ID_USED) {
2886 /*
2887 * Loop ID already used, try next loop ID.
2888 */
2889 fcport->loop_id++;
2890 rval = qla2x00_find_new_loop_id(ha, fcport);
2891 if (rval != QLA_SUCCESS) {
2892 /* Ran out of loop IDs to use */
2893 break;
2894 }
2895 } else if (mb[0] == MBS_COMMAND_ERROR) {
2896 /*
2897 * Firmware possibly timed out during login. If NO
2898 * retries are left to do then the device is declared
2899 * dead.
2900 */
2901 *next_loopid = fcport->loop_id;
2902 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2903 fcport->d_id.b.domain, fcport->d_id.b.area,
2904 fcport->d_id.b.al_pa);
2905 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2906
2907 rval = 1;
2908 break;
2909 } else {
2910 /*
2911 * unrecoverable / not handled error
2912 */
2913 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2914 "loop_id=%x jiffies=%lx.\n",
2915 __func__, ha->host_no, mb[0],
2916 fcport->d_id.b.domain, fcport->d_id.b.area,
2917 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2918
2919 *next_loopid = fcport->loop_id;
2920 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2921 fcport->d_id.b.domain, fcport->d_id.b.area,
2922 fcport->d_id.b.al_pa);
2923 fcport->loop_id = FC_NO_LOOP_ID;
2924 fcport->login_retry = 0;
2925
2926 rval = 3;
2927 break;
2928 }
2929 }
2930
2931 return (rval);
2932 }
2933
2934 /*
2935 * qla2x00_local_device_login
2936 * Issue local device login command.
2937 *
2938 * Input:
2939 * ha = adapter block pointer.
2940 * loop_id = loop id of device to login to.
2941 *
2942 * Returns (Where's the #define!!!!):
2943 * 0 - Login successfully
2944 * 1 - Login failed
2945 * 3 - Fatal error
2946 */
2947 int
2948 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
2949 {
2950 int rval;
2951 uint16_t mb[MAILBOX_REGISTER_COUNT];
2952
2953 memset(mb, 0, sizeof(mb));
2954 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
2955 if (rval == QLA_SUCCESS) {
2956 /* Interrogate mailbox registers for any errors */
2957 if (mb[0] == MBS_COMMAND_ERROR)
2958 rval = 1;
2959 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2960 /* device not in PCB table */
2961 rval = 3;
2962 }
2963
2964 return (rval);
2965 }
2966
2967 /*
2968 * qla2x00_loop_resync
2969 * Resync with fibre channel devices.
2970 *
2971 * Input:
2972 * ha = adapter block pointer.
2973 *
2974 * Returns:
2975 * 0 = success
2976 */
2977 int
2978 qla2x00_loop_resync(scsi_qla_host_t *ha)
2979 {
2980 int rval;
2981 uint32_t wait_time;
2982
2983 rval = QLA_SUCCESS;
2984
2985 atomic_set(&ha->loop_state, LOOP_UPDATE);
2986 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2987 if (ha->flags.online) {
2988 if (!(rval = qla2x00_fw_ready(ha))) {
2989 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2990 wait_time = 256;
2991 do {
2992 atomic_set(&ha->loop_state, LOOP_UPDATE);
2993
2994 /* Issue a marker after FW becomes ready. */
2995 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2996 ha->marker_needed = 0;
2997
2998 /* Remap devices on Loop. */
2999 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3000
3001 qla2x00_configure_loop(ha);
3002 wait_time--;
3003 } while (!atomic_read(&ha->loop_down_timer) &&
3004 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3005 wait_time &&
3006 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3007 }
3008 }
3009
3010 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3011 return (QLA_FUNCTION_FAILED);
3012 }
3013
3014 if (rval) {
3015 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3016 }
3017
3018 return (rval);
3019 }
3020
3021 void
3022 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3023 {
3024 int rescan_done;
3025 fc_port_t *fcport;
3026
3027 rescan_done = 0;
3028 list_for_each_entry(fcport, &ha->fcports, list) {
3029 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3030 continue;
3031
3032 qla2x00_update_fcport(ha, fcport);
3033 fcport->flags &= ~FCF_RESCAN_NEEDED;
3034
3035 rescan_done = 1;
3036 }
3037 qla2x00_probe_for_all_luns(ha);
3038 }
3039
3040 void
3041 qla2x00_update_fcports(scsi_qla_host_t *ha)
3042 {
3043 fc_port_t *fcport;
3044
3045 /* Go with deferred removal of rport references. */
3046 list_for_each_entry(fcport, &ha->fcports, list)
3047 if (fcport->drport)
3048 qla2x00_rport_del(fcport);
3049 }
3050
3051 /*
3052 * qla2x00_abort_isp
3053 * Resets ISP and aborts all outstanding commands.
3054 *
3055 * Input:
3056 * ha = adapter block pointer.
3057 *
3058 * Returns:
3059 * 0 = success
3060 */
3061 int
3062 qla2x00_abort_isp(scsi_qla_host_t *ha)
3063 {
3064 unsigned long flags = 0;
3065 uint16_t cnt;
3066 srb_t *sp;
3067 uint8_t status = 0;
3068
3069 if (ha->flags.online) {
3070 ha->flags.online = 0;
3071 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3072
3073 qla_printk(KERN_INFO, ha,
3074 "Performing ISP error recovery - ha= %p.\n", ha);
3075 ha->isp_ops.reset_chip(ha);
3076
3077 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3078 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3079 atomic_set(&ha->loop_state, LOOP_DOWN);
3080 qla2x00_mark_all_devices_lost(ha, 0);
3081 } else {
3082 if (!atomic_read(&ha->loop_down_timer))
3083 atomic_set(&ha->loop_down_timer,
3084 LOOP_DOWN_TIME);
3085 }
3086
3087 spin_lock_irqsave(&ha->hardware_lock, flags);
3088 /* Requeue all commands in outstanding command list. */
3089 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3090 sp = ha->outstanding_cmds[cnt];
3091 if (sp) {
3092 ha->outstanding_cmds[cnt] = NULL;
3093 sp->flags = 0;
3094 sp->cmd->result = DID_RESET << 16;
3095 sp->cmd->host_scribble = (unsigned char *)NULL;
3096 qla2x00_sp_compl(ha, sp);
3097 }
3098 }
3099 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3100
3101 ha->isp_ops.nvram_config(ha);
3102
3103 if (!qla2x00_restart_isp(ha)) {
3104 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3105
3106 if (!atomic_read(&ha->loop_down_timer)) {
3107 /*
3108 * Issue marker command only when we are going
3109 * to start the I/O .
3110 */
3111 ha->marker_needed = 1;
3112 }
3113
3114 ha->flags.online = 1;
3115
3116 ha->isp_ops.enable_intrs(ha);
3117
3118 ha->isp_abort_cnt = 0;
3119 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3120 } else { /* failed the ISP abort */
3121 ha->flags.online = 1;
3122 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3123 if (ha->isp_abort_cnt == 0) {
3124 qla_printk(KERN_WARNING, ha,
3125 "ISP error recovery failed - "
3126 "board disabled\n");
3127 /*
3128 * The next call disables the board
3129 * completely.
3130 */
3131 ha->isp_ops.reset_adapter(ha);
3132 ha->flags.online = 0;
3133 clear_bit(ISP_ABORT_RETRY,
3134 &ha->dpc_flags);
3135 status = 0;
3136 } else { /* schedule another ISP abort */
3137 ha->isp_abort_cnt--;
3138 DEBUG(printk("qla%ld: ISP abort - "
3139 "retry remaining %d\n",
3140 ha->host_no, ha->isp_abort_cnt));
3141 status = 1;
3142 }
3143 } else {
3144 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3145 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3146 "- retrying (%d) more times\n",
3147 ha->host_no, ha->isp_abort_cnt));
3148 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3149 status = 1;
3150 }
3151 }
3152
3153 }
3154
3155 if (status) {
3156 qla_printk(KERN_INFO, ha,
3157 "qla2x00_abort_isp: **** FAILED ****\n");
3158 } else {
3159 DEBUG(printk(KERN_INFO
3160 "qla2x00_abort_isp(%ld): exiting.\n",
3161 ha->host_no));
3162 }
3163
3164 return(status);
3165 }
3166
3167 /*
3168 * qla2x00_restart_isp
3169 * restarts the ISP after a reset
3170 *
3171 * Input:
3172 * ha = adapter block pointer.
3173 *
3174 * Returns:
3175 * 0 = success
3176 */
3177 static int
3178 qla2x00_restart_isp(scsi_qla_host_t *ha)
3179 {
3180 uint8_t status = 0;
3181 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3182 unsigned long flags = 0;
3183 uint32_t wait_time;
3184
3185 /* If firmware needs to be loaded */
3186 if (qla2x00_isp_firmware(ha)) {
3187 ha->flags.online = 0;
3188 if (!(status = ha->isp_ops.chip_diag(ha))) {
3189 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3190 status = qla2x00_setup_chip(ha);
3191 goto done;
3192 }
3193
3194 spin_lock_irqsave(&ha->hardware_lock, flags);
3195
3196 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3197 /*
3198 * Disable SRAM, Instruction RAM and GP RAM
3199 * parity.
3200 */
3201 WRT_REG_WORD(&reg->hccr,
3202 (HCCR_ENABLE_PARITY + 0x0));
3203 RD_REG_WORD(&reg->hccr);
3204 }
3205
3206 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3207
3208 status = qla2x00_setup_chip(ha);
3209
3210 spin_lock_irqsave(&ha->hardware_lock, flags);
3211
3212 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3213 /* Enable proper parity */
3214 if (IS_QLA2300(ha))
3215 /* SRAM parity */
3216 WRT_REG_WORD(&reg->hccr,
3217 (HCCR_ENABLE_PARITY + 0x1));
3218 else
3219 /*
3220 * SRAM, Instruction RAM and GP RAM
3221 * parity.
3222 */
3223 WRT_REG_WORD(&reg->hccr,
3224 (HCCR_ENABLE_PARITY + 0x7));
3225 RD_REG_WORD(&reg->hccr);
3226 }
3227
3228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3229 }
3230 }
3231
3232 done:
3233 if (!status && !(status = qla2x00_init_rings(ha))) {
3234 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3235 if (!(status = qla2x00_fw_ready(ha))) {
3236 DEBUG(printk("%s(): Start configure loop, "
3237 "status = %d\n", __func__, status));
3238
3239 /* Issue a marker after FW becomes ready. */
3240 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3241
3242 ha->flags.online = 1;
3243 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3244 wait_time = 256;
3245 do {
3246 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3247 qla2x00_configure_loop(ha);
3248 wait_time--;
3249 } while (!atomic_read(&ha->loop_down_timer) &&
3250 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3251 wait_time &&
3252 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3253 }
3254
3255 /* if no cable then assume it's good */
3256 if ((ha->device_flags & DFLG_NO_CABLE))
3257 status = 0;
3258
3259 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3260 __func__,
3261 status));
3262 }
3263 return (status);
3264 }
3265
3266 /*
3267 * qla2x00_reset_adapter
3268 * Reset adapter.
3269 *
3270 * Input:
3271 * ha = adapter block pointer.
3272 */
3273 void
3274 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3275 {
3276 unsigned long flags = 0;
3277 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3278
3279 ha->flags.online = 0;
3280 ha->isp_ops.disable_intrs(ha);
3281
3282 spin_lock_irqsave(&ha->hardware_lock, flags);
3283 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3284 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3285 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3286 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3288 }
3289
3290 void
3291 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3292 {
3293 unsigned long flags = 0;
3294 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3295
3296 ha->flags.online = 0;
3297 ha->isp_ops.disable_intrs(ha);
3298
3299 spin_lock_irqsave(&ha->hardware_lock, flags);
3300 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3301 RD_REG_DWORD(&reg->hccr);
3302 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3303 RD_REG_DWORD(&reg->hccr);
3304 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3305 }
3306
3307 int
3308 qla24xx_nvram_config(scsi_qla_host_t *ha)
3309 {
3310 int rval;
3311 struct init_cb_24xx *icb;
3312 struct nvram_24xx *nv;
3313 uint32_t *dptr;
3314 uint8_t *dptr1, *dptr2;
3315 uint32_t chksum;
3316 uint16_t cnt;
3317
3318 rval = QLA_SUCCESS;
3319 icb = (struct init_cb_24xx *)ha->init_cb;
3320 nv = (struct nvram_24xx *)ha->request_ring;
3321
3322 /* Determine NVRAM starting address. */
3323 ha->nvram_size = sizeof(struct nvram_24xx);
3324 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3325 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3326 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3327 if (PCI_FUNC(ha->pdev->devfn)) {
3328 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3329 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3330 }
3331
3332 /* Get NVRAM data and calculate checksum. */
3333 dptr = (uint32_t *)nv;
3334 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3335 ha->nvram_size);
3336 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3337 chksum += le32_to_cpu(*dptr++);
3338
3339 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3340 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3341 ha->nvram_size));
3342
3343 /* Bad NVRAM data, set defaults parameters. */
3344 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3345 || nv->id[3] != ' ' ||
3346 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3347 /* Reset NVRAM data. */
3348 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3349 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3350 le16_to_cpu(nv->nvram_version));
3351 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3352 "invalid -- WWPN) defaults.\n");
3353
3354 /*
3355 * Set default initialization control block.
3356 */
3357 memset(nv, 0, ha->nvram_size);
3358 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3359 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3360 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3361 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3362 nv->exchange_count = __constant_cpu_to_le16(0);
3363 nv->hard_address = __constant_cpu_to_le16(124);
3364 nv->port_name[0] = 0x21;
3365 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3366 nv->port_name[2] = 0x00;
3367 nv->port_name[3] = 0xe0;
3368 nv->port_name[4] = 0x8b;
3369 nv->port_name[5] = 0x1c;
3370 nv->port_name[6] = 0x55;
3371 nv->port_name[7] = 0x86;
3372 nv->node_name[0] = 0x20;
3373 nv->node_name[1] = 0x00;
3374 nv->node_name[2] = 0x00;
3375 nv->node_name[3] = 0xe0;
3376 nv->node_name[4] = 0x8b;
3377 nv->node_name[5] = 0x1c;
3378 nv->node_name[6] = 0x55;
3379 nv->node_name[7] = 0x86;
3380 nv->login_retry_count = __constant_cpu_to_le16(8);
3381 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3382 nv->login_timeout = __constant_cpu_to_le16(0);
3383 nv->firmware_options_1 =
3384 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3385 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3386 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3387 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3388 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3389 nv->efi_parameters = __constant_cpu_to_le32(0);
3390 nv->reset_delay = 5;
3391 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3392 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3393 nv->link_down_timeout = __constant_cpu_to_le16(30);
3394
3395 rval = 1;
3396 }
3397
3398 /* Reset Initialization control block */
3399 memset(icb, 0, sizeof(struct init_cb_24xx));
3400
3401 /* Copy 1st segment. */
3402 dptr1 = (uint8_t *)icb;
3403 dptr2 = (uint8_t *)&nv->version;
3404 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3405 while (cnt--)
3406 *dptr1++ = *dptr2++;
3407
3408 icb->login_retry_count = nv->login_retry_count;
3409 icb->link_down_on_nos = nv->link_down_on_nos;
3410
3411 /* Copy 2nd segment. */
3412 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3413 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3414 cnt = (uint8_t *)&icb->reserved_3 -
3415 (uint8_t *)&icb->interrupt_delay_timer;
3416 while (cnt--)
3417 *dptr1++ = *dptr2++;
3418
3419 /*
3420 * Setup driver NVRAM options.
3421 */
3422 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3423 char *st, *en;
3424 uint16_t index;
3425
3426 strncpy(ha->model_number, nv->model_name,
3427 sizeof(nv->model_name));
3428 st = en = ha->model_number;
3429 en += sizeof(nv->model_name) - 1;
3430 while (en > st) {
3431 if (*en != 0x20 && *en != 0x00)
3432 break;
3433 *en-- = '\0';
3434 }
3435
3436 index = (ha->pdev->subsystem_device & 0xff);
3437 if (index < QLA_MODEL_NAMES)
3438 ha->model_desc = qla2x00_model_name[index * 2 + 1];
3439 } else
3440 strcpy(ha->model_number, "QLA2462");
3441
3442 /* Use alternate WWN? */
3443 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3444 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3445 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3446 }
3447
3448 /* Prepare nodename */
3449 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3450 /*
3451 * Firmware will apply the following mask if the nodename was
3452 * not provided.
3453 */
3454 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3455 icb->node_name[0] &= 0xF0;
3456 }
3457
3458 /* Set host adapter parameters. */
3459 ha->flags.disable_risc_code_load = 0;
3460 ha->flags.enable_lip_reset = 1;
3461 ha->flags.enable_lip_full_login = 1;
3462 ha->flags.enable_target_reset = 1;
3463 ha->flags.enable_led_scheme = 0;
3464 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3465
3466 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3467 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3468
3469 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3470 sizeof(ha->fw_seriallink_options24));
3471
3472 /* save HBA serial number */
3473 ha->serial0 = icb->port_name[5];
3474 ha->serial1 = icb->port_name[6];
3475 ha->serial2 = icb->port_name[7];
3476 ha->node_name = icb->node_name;
3477 ha->port_name = icb->port_name;
3478
3479 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3480
3481 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3482
3483 /* Set minimum login_timeout to 4 seconds. */
3484 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3485 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3486 if (le16_to_cpu(nv->login_timeout) < 4)
3487 nv->login_timeout = __constant_cpu_to_le16(4);
3488 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3489 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3490
3491 /* Set minimum RATOV to 200 tenths of a second. */
3492 ha->r_a_tov = 200;
3493
3494 ha->loop_reset_delay = nv->reset_delay;
3495
3496 /* Link Down Timeout = 0:
3497 *
3498 * When Port Down timer expires we will start returning
3499 * I/O's to OS with "DID_NO_CONNECT".
3500 *
3501 * Link Down Timeout != 0:
3502 *
3503 * The driver waits for the link to come up after link down
3504 * before returning I/Os to OS with "DID_NO_CONNECT".
3505 */
3506 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3507 ha->loop_down_abort_time =
3508 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3509 } else {
3510 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3511 ha->loop_down_abort_time =
3512 (LOOP_DOWN_TIME - ha->link_down_timeout);
3513 }
3514
3515 /* Need enough time to try and get the port back. */
3516 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3517 if (qlport_down_retry)
3518 ha->port_down_retry_count = qlport_down_retry;
3519
3520 /* Set login_retry_count */
3521 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3522 if (ha->port_down_retry_count ==
3523 le16_to_cpu(nv->port_down_retry_count) &&
3524 ha->port_down_retry_count > 3)
3525 ha->login_retry_count = ha->port_down_retry_count;
3526 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3527 ha->login_retry_count = ha->port_down_retry_count;
3528 if (ql2xloginretrycount)
3529 ha->login_retry_count = ql2xloginretrycount;
3530
3531 /* Enable ZIO. */
3532 if (!ha->flags.init_done) {
3533 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3534 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3535 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3536 le16_to_cpu(icb->interrupt_delay_timer): 2;
3537 }
3538 icb->firmware_options_2 &= __constant_cpu_to_le32(
3539 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3540 ha->flags.process_response_queue = 0;
3541 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3542 ha->zio_mode = QLA_ZIO_MODE_6;
3543
3544 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3545 "(%d us).\n", ha->host_no, ha->zio_mode,
3546 ha->zio_timer * 100));
3547 qla_printk(KERN_INFO, ha,
3548 "ZIO mode %d enabled; timer delay (%d us).\n",
3549 ha->zio_mode, ha->zio_timer * 100);
3550
3551 icb->firmware_options_2 |= cpu_to_le32(
3552 (uint32_t)ha->zio_mode);
3553 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3554 ha->flags.process_response_queue = 1;
3555 }
3556
3557 if (rval) {
3558 DEBUG2_3(printk(KERN_WARNING
3559 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3560 }
3561 return (rval);
3562 }
3563
3564 int
3565 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3566 {
3567 int rval;
3568 int segments, fragment;
3569 uint32_t faddr;
3570 uint32_t *dcode, dlen;
3571 uint32_t risc_addr;
3572 uint32_t risc_size;
3573 uint32_t i;
3574
3575 rval = QLA_SUCCESS;
3576
3577 segments = FA_RISC_CODE_SEGMENTS;
3578 faddr = FA_RISC_CODE_ADDR;
3579 dcode = (uint32_t *)ha->request_ring;
3580 *srisc_addr = 0;
3581
3582 /* Validate firmware image by checking version. */
3583 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3584 for (i = 0; i < 4; i++)
3585 dcode[i] = be32_to_cpu(dcode[i]);
3586 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3587 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3588 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3589 dcode[3] == 0)) {
3590 qla_printk(KERN_WARNING, ha,
3591 "Unable to verify integrity of flash firmware image!\n");
3592 qla_printk(KERN_WARNING, ha,
3593 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3594 dcode[1], dcode[2], dcode[3]);
3595
3596 return QLA_FUNCTION_FAILED;
3597 }
3598
3599 while (segments && rval == QLA_SUCCESS) {
3600 /* Read segment's load information. */
3601 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3602
3603 risc_addr = be32_to_cpu(dcode[2]);
3604 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3605 risc_size = be32_to_cpu(dcode[3]);
3606
3607 fragment = 0;
3608 while (risc_size > 0 && rval == QLA_SUCCESS) {
3609 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3610 if (dlen > risc_size)
3611 dlen = risc_size;
3612
3613 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3614 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3615 ha->host_no, risc_addr, dlen, faddr));
3616
3617 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3618 for (i = 0; i < dlen; i++)
3619 dcode[i] = swab32(dcode[i]);
3620
3621 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3622 dlen);
3623 if (rval) {
3624 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3625 "segment %d of firmware\n", ha->host_no,
3626 fragment));
3627 qla_printk(KERN_WARNING, ha,
3628 "[ERROR] Failed to load segment %d of "
3629 "firmware\n", fragment);
3630 break;
3631 }
3632
3633 faddr += dlen;
3634 risc_addr += dlen;
3635 risc_size -= dlen;
3636 fragment++;
3637 }
3638
3639 /* Next segment. */
3640 segments--;
3641 }
3642
3643 return rval;
3644 }
3645
3646 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3647
3648 int
3649 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3650 {
3651 int rval;
3652 int i, fragment;
3653 uint16_t *wcode, *fwcode;
3654 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3655 struct fw_blob *blob;
3656
3657 /* Load firmware blob. */
3658 blob = qla2x00_request_firmware(ha);
3659 if (!blob) {
3660 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3661 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3662 "from: " QLA_FW_URL ".\n");
3663 return QLA_FUNCTION_FAILED;
3664 }
3665
3666 rval = QLA_SUCCESS;
3667
3668 wcode = (uint16_t *)ha->request_ring;
3669 *srisc_addr = 0;
3670 fwcode = (uint16_t *)blob->fw->data;
3671 fwclen = 0;
3672
3673 /* Validate firmware image by checking version. */
3674 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3675 qla_printk(KERN_WARNING, ha,
3676 "Unable to verify integrity of firmware image (%Zd)!\n",
3677 blob->fw->size);
3678 goto fail_fw_integrity;
3679 }
3680 for (i = 0; i < 4; i++)
3681 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3682 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3683 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3684 wcode[2] == 0 && wcode[3] == 0)) {
3685 qla_printk(KERN_WARNING, ha,
3686 "Unable to verify integrity of firmware image!\n");
3687 qla_printk(KERN_WARNING, ha,
3688 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3689 wcode[1], wcode[2], wcode[3]);
3690 goto fail_fw_integrity;
3691 }
3692
3693 seg = blob->segs;
3694 while (*seg && rval == QLA_SUCCESS) {
3695 risc_addr = *seg;
3696 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3697 risc_size = be16_to_cpu(fwcode[3]);
3698
3699 /* Validate firmware image size. */
3700 fwclen += risc_size * sizeof(uint16_t);
3701 if (blob->fw->size < fwclen) {
3702 qla_printk(KERN_WARNING, ha,
3703 "Unable to verify integrity of firmware image "
3704 "(%Zd)!\n", blob->fw->size);
3705 goto fail_fw_integrity;
3706 }
3707
3708 fragment = 0;
3709 while (risc_size > 0 && rval == QLA_SUCCESS) {
3710 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3711 if (wlen > risc_size)
3712 wlen = risc_size;
3713
3714 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3715 "addr %x, number of words 0x%x.\n", ha->host_no,
3716 risc_addr, wlen));
3717
3718 for (i = 0; i < wlen; i++)
3719 wcode[i] = swab16(fwcode[i]);
3720
3721 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3722 wlen);
3723 if (rval) {
3724 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3725 "segment %d of firmware\n", ha->host_no,
3726 fragment));
3727 qla_printk(KERN_WARNING, ha,
3728 "[ERROR] Failed to load segment %d of "
3729 "firmware\n", fragment);
3730 break;
3731 }
3732
3733 fwcode += wlen;
3734 risc_addr += wlen;
3735 risc_size -= wlen;
3736 fragment++;
3737 }
3738
3739 /* Next segment. */
3740 seg++;
3741 }
3742 return rval;
3743
3744 fail_fw_integrity:
3745 return QLA_FUNCTION_FAILED;
3746 }
3747
3748 int
3749 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3750 {
3751 int rval;
3752 int segments, fragment;
3753 uint32_t *dcode, dlen;
3754 uint32_t risc_addr;
3755 uint32_t risc_size;
3756 uint32_t i;
3757 struct fw_blob *blob;
3758 uint32_t *fwcode, fwclen;
3759
3760 /* Load firmware blob. */
3761 blob = qla2x00_request_firmware(ha);
3762 if (!blob) {
3763 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3764 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3765 "from: " QLA_FW_URL ".\n");
3766
3767 /* Try to load RISC code from flash. */
3768 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3769 "outdated) firmware from flash.\n");
3770 return qla24xx_load_risc_flash(ha, srisc_addr);
3771 }
3772
3773 rval = QLA_SUCCESS;
3774
3775 segments = FA_RISC_CODE_SEGMENTS;
3776 dcode = (uint32_t *)ha->request_ring;
3777 *srisc_addr = 0;
3778 fwcode = (uint32_t *)blob->fw->data;
3779 fwclen = 0;
3780
3781 /* Validate firmware image by checking version. */
3782 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3783 qla_printk(KERN_WARNING, ha,
3784 "Unable to verify integrity of firmware image (%Zd)!\n",
3785 blob->fw->size);
3786 goto fail_fw_integrity;
3787 }
3788 for (i = 0; i < 4; i++)
3789 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3790 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3791 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3792 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3793 dcode[3] == 0)) {
3794 qla_printk(KERN_WARNING, ha,
3795 "Unable to verify integrity of firmware image!\n");
3796 qla_printk(KERN_WARNING, ha,
3797 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3798 dcode[1], dcode[2], dcode[3]);
3799 goto fail_fw_integrity;
3800 }
3801
3802 while (segments && rval == QLA_SUCCESS) {
3803 risc_addr = be32_to_cpu(fwcode[2]);
3804 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3805 risc_size = be32_to_cpu(fwcode[3]);
3806
3807 /* Validate firmware image size. */
3808 fwclen += risc_size * sizeof(uint32_t);
3809 if (blob->fw->size < fwclen) {
3810 qla_printk(KERN_WARNING, ha,
3811 "Unable to verify integrity of firmware image "
3812 "(%Zd)!\n", blob->fw->size);
3813
3814 goto fail_fw_integrity;
3815 }
3816
3817 fragment = 0;
3818 while (risc_size > 0 && rval == QLA_SUCCESS) {
3819 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3820 if (dlen > risc_size)
3821 dlen = risc_size;
3822
3823 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3824 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3825 risc_addr, dlen));
3826
3827 for (i = 0; i < dlen; i++)
3828 dcode[i] = swab32(fwcode[i]);
3829
3830 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3831 dlen);
3832 if (rval) {
3833 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3834 "segment %d of firmware\n", ha->host_no,
3835 fragment));
3836 qla_printk(KERN_WARNING, ha,
3837 "[ERROR] Failed to load segment %d of "
3838 "firmware\n", fragment);
3839 break;
3840 }
3841
3842 fwcode += dlen;
3843 risc_addr += dlen;
3844 risc_size -= dlen;
3845 fragment++;
3846 }
3847
3848 /* Next segment. */
3849 segments--;
3850 }
3851 return rval;
3852
3853 fail_fw_integrity:
3854 return QLA_FUNCTION_FAILED;
3855 }
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