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Merge git://git.infradead.org/mtd-2.6
[deliverable/linux.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 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
43
44 /****************************************************************************/
45 /* QLogic ISP2x00 Hardware Support Functions. */
46 /****************************************************************************/
47
48 /*
49 * qla2x00_initialize_adapter
50 * Initialize board.
51 *
52 * Input:
53 * ha = adapter block pointer.
54 *
55 * Returns:
56 * 0 = success
57 */
58 int
59 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
60 {
61 int rval;
62
63 /* Clear adapter flags. */
64 ha->flags.online = 0;
65 ha->flags.reset_active = 0;
66 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
67 atomic_set(&ha->loop_state, LOOP_DOWN);
68 ha->device_flags = 0;
69 ha->dpc_flags = 0;
70 ha->flags.management_server_logged_in = 0;
71 ha->marker_needed = 0;
72 ha->mbx_flags = 0;
73 ha->isp_abort_cnt = 0;
74 ha->beacon_blink_led = 0;
75 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
76
77 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
78 rval = ha->isp_ops.pci_config(ha);
79 if (rval) {
80 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
81 ha->host_no));
82 return (rval);
83 }
84
85 ha->isp_ops.reset_chip(ha);
86
87 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
88
89 ha->isp_ops.nvram_config(ha);
90
91 if (ha->flags.disable_serdes) {
92 /* Mask HBA via NVRAM settings? */
93 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
94 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
95 ha->port_name[0], ha->port_name[1],
96 ha->port_name[2], ha->port_name[3],
97 ha->port_name[4], ha->port_name[5],
98 ha->port_name[6], ha->port_name[7]);
99 return QLA_FUNCTION_FAILED;
100 }
101
102 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
103
104 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
105 rval = ha->isp_ops.chip_diag(ha);
106 if (rval)
107 return (rval);
108 rval = qla2x00_setup_chip(ha);
109 if (rval)
110 return (rval);
111 }
112 rval = qla2x00_init_rings(ha);
113
114 return (rval);
115 }
116
117 /**
118 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
119 * @ha: HA context
120 *
121 * Returns 0 on success.
122 */
123 int
124 qla2100_pci_config(scsi_qla_host_t *ha)
125 {
126 uint16_t w, mwi;
127 uint32_t d;
128 unsigned long flags;
129 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
130
131 pci_set_master(ha->pdev);
132 mwi = 0;
133 if (pci_set_mwi(ha->pdev))
134 mwi = PCI_COMMAND_INVALIDATE;
135
136 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
137 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
138 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
139
140 /* Reset expansion ROM address decode enable */
141 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
142 d &= ~PCI_ROM_ADDRESS_ENABLE;
143 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
144
145 /* Get PCI bus information. */
146 spin_lock_irqsave(&ha->hardware_lock, flags);
147 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
148 spin_unlock_irqrestore(&ha->hardware_lock, flags);
149
150 return QLA_SUCCESS;
151 }
152
153 /**
154 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
155 * @ha: HA context
156 *
157 * Returns 0 on success.
158 */
159 int
160 qla2300_pci_config(scsi_qla_host_t *ha)
161 {
162 uint16_t w, mwi;
163 uint32_t d;
164 unsigned long flags = 0;
165 uint32_t cnt;
166 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
167
168 pci_set_master(ha->pdev);
169 mwi = 0;
170 if (pci_set_mwi(ha->pdev))
171 mwi = PCI_COMMAND_INVALIDATE;
172
173 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
174 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
175
176 if (IS_QLA2322(ha) || IS_QLA6322(ha))
177 w &= ~PCI_COMMAND_INTX_DISABLE;
178
179 /*
180 * If this is a 2300 card and not 2312, reset the
181 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
182 * the 2310 also reports itself as a 2300 so we need to get the
183 * fb revision level -- a 6 indicates it really is a 2300 and
184 * not a 2310.
185 */
186 if (IS_QLA2300(ha)) {
187 spin_lock_irqsave(&ha->hardware_lock, flags);
188
189 /* Pause RISC. */
190 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
191 for (cnt = 0; cnt < 30000; cnt++) {
192 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
193 break;
194
195 udelay(10);
196 }
197
198 /* Select FPM registers. */
199 WRT_REG_WORD(&reg->ctrl_status, 0x20);
200 RD_REG_WORD(&reg->ctrl_status);
201
202 /* Get the fb rev level */
203 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
204
205 if (ha->fb_rev == FPM_2300)
206 w &= ~PCI_COMMAND_INVALIDATE;
207
208 /* Deselect FPM registers. */
209 WRT_REG_WORD(&reg->ctrl_status, 0x0);
210 RD_REG_WORD(&reg->ctrl_status);
211
212 /* Release RISC module. */
213 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
214 for (cnt = 0; cnt < 30000; cnt++) {
215 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
216 break;
217
218 udelay(10);
219 }
220
221 spin_unlock_irqrestore(&ha->hardware_lock, flags);
222 }
223 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
224
225 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
226
227 /* Reset expansion ROM address decode enable */
228 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
229 d &= ~PCI_ROM_ADDRESS_ENABLE;
230 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
231
232 /* Get PCI bus information. */
233 spin_lock_irqsave(&ha->hardware_lock, flags);
234 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
235 spin_unlock_irqrestore(&ha->hardware_lock, flags);
236
237 return QLA_SUCCESS;
238 }
239
240 /**
241 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
242 * @ha: HA context
243 *
244 * Returns 0 on success.
245 */
246 int
247 qla24xx_pci_config(scsi_qla_host_t *ha)
248 {
249 uint16_t w, mwi;
250 uint32_t d;
251 unsigned long flags = 0;
252 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
253 int pcix_cmd_reg, pcie_dctl_reg;
254
255 pci_set_master(ha->pdev);
256 mwi = 0;
257 if (pci_set_mwi(ha->pdev))
258 mwi = PCI_COMMAND_INVALIDATE;
259
260 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
261 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
262 w &= ~PCI_COMMAND_INTX_DISABLE;
263 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
264
265 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
266
267 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
268 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
269 if (pcix_cmd_reg) {
270 uint16_t pcix_cmd;
271
272 pcix_cmd_reg += PCI_X_CMD;
273 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
274 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
275 pcix_cmd |= 0x0008;
276 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
277 }
278
279 /* PCIe -- adjust Maximum Read Request Size (2048). */
280 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
281 if (pcie_dctl_reg) {
282 uint16_t pcie_dctl;
283
284 pcie_dctl_reg += PCI_EXP_DEVCTL;
285 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
286 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
287 pcie_dctl |= 0x4000;
288 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
289 }
290
291 /* Reset expansion ROM address decode enable */
292 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
293 d &= ~PCI_ROM_ADDRESS_ENABLE;
294 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
295
296 /* Get PCI bus information. */
297 spin_lock_irqsave(&ha->hardware_lock, flags);
298 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
299 spin_unlock_irqrestore(&ha->hardware_lock, flags);
300
301 return QLA_SUCCESS;
302 }
303
304 /**
305 * qla2x00_isp_firmware() - Choose firmware image.
306 * @ha: HA context
307 *
308 * Returns 0 on success.
309 */
310 static int
311 qla2x00_isp_firmware(scsi_qla_host_t *ha)
312 {
313 int rval;
314
315 /* Assume loading risc code */
316 rval = QLA_FUNCTION_FAILED;
317
318 if (ha->flags.disable_risc_code_load) {
319 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
320 ha->host_no));
321 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
322
323 /* Verify checksum of loaded RISC code. */
324 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
325 }
326
327 if (rval) {
328 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
329 ha->host_no));
330 }
331
332 return (rval);
333 }
334
335 /**
336 * qla2x00_reset_chip() - Reset ISP chip.
337 * @ha: HA context
338 *
339 * Returns 0 on success.
340 */
341 void
342 qla2x00_reset_chip(scsi_qla_host_t *ha)
343 {
344 unsigned long flags = 0;
345 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
346 uint32_t cnt;
347 uint16_t cmd;
348
349 ha->isp_ops.disable_intrs(ha);
350
351 spin_lock_irqsave(&ha->hardware_lock, flags);
352
353 /* Turn off master enable */
354 cmd = 0;
355 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
356 cmd &= ~PCI_COMMAND_MASTER;
357 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
358
359 if (!IS_QLA2100(ha)) {
360 /* Pause RISC. */
361 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
362 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
363 for (cnt = 0; cnt < 30000; cnt++) {
364 if ((RD_REG_WORD(&reg->hccr) &
365 HCCR_RISC_PAUSE) != 0)
366 break;
367 udelay(100);
368 }
369 } else {
370 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
371 udelay(10);
372 }
373
374 /* Select FPM registers. */
375 WRT_REG_WORD(&reg->ctrl_status, 0x20);
376 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
377
378 /* FPM Soft Reset. */
379 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
380 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
381
382 /* Toggle Fpm Reset. */
383 if (!IS_QLA2200(ha)) {
384 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
385 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
386 }
387
388 /* Select frame buffer registers. */
389 WRT_REG_WORD(&reg->ctrl_status, 0x10);
390 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
391
392 /* Reset frame buffer FIFOs. */
393 if (IS_QLA2200(ha)) {
394 WRT_FB_CMD_REG(ha, reg, 0xa000);
395 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
396 } else {
397 WRT_FB_CMD_REG(ha, reg, 0x00fc);
398
399 /* Read back fb_cmd until zero or 3 seconds max */
400 for (cnt = 0; cnt < 3000; cnt++) {
401 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
402 break;
403 udelay(100);
404 }
405 }
406
407 /* Select RISC module registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset RISC processor. */
412 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
413 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
414
415 /* Release RISC processor. */
416 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
417 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
418 }
419
420 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
421 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
422
423 /* Reset ISP chip. */
424 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
425
426 /* Wait for RISC to recover from reset. */
427 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
428 /*
429 * It is necessary to for a delay here since the card doesn't
430 * respond to PCI reads during a reset. On some architectures
431 * this will result in an MCA.
432 */
433 udelay(20);
434 for (cnt = 30000; cnt; cnt--) {
435 if ((RD_REG_WORD(&reg->ctrl_status) &
436 CSR_ISP_SOFT_RESET) == 0)
437 break;
438 udelay(100);
439 }
440 } else
441 udelay(10);
442
443 /* Reset RISC processor. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
445
446 WRT_REG_WORD(&reg->semaphore, 0);
447
448 /* Release RISC processor. */
449 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
450 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
451
452 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
453 for (cnt = 0; cnt < 30000; cnt++) {
454 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
455 break;
456
457 udelay(100);
458 }
459 } else
460 udelay(100);
461
462 /* Turn on master enable */
463 cmd |= PCI_COMMAND_MASTER;
464 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
465
466 /* Disable RISC pause on FPM parity error. */
467 if (!IS_QLA2100(ha)) {
468 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470 }
471
472 spin_unlock_irqrestore(&ha->hardware_lock, flags);
473 }
474
475 /**
476 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
477 * @ha: HA context
478 *
479 * Returns 0 on success.
480 */
481 static inline void
482 qla24xx_reset_risc(scsi_qla_host_t *ha)
483 {
484 unsigned long flags = 0;
485 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
486 uint32_t cnt, d2;
487 uint16_t wd;
488
489 spin_lock_irqsave(&ha->hardware_lock, flags);
490
491 /* Reset RISC. */
492 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
493 for (cnt = 0; cnt < 30000; cnt++) {
494 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
495 break;
496
497 udelay(10);
498 }
499
500 WRT_REG_DWORD(&reg->ctrl_status,
501 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
502 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
503
504 udelay(100);
505 /* Wait for firmware to complete NVRAM accesses. */
506 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
507 for (cnt = 10000 ; cnt && d2; cnt--) {
508 udelay(5);
509 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
510 barrier();
511 }
512
513 /* Wait for soft-reset to complete. */
514 d2 = RD_REG_DWORD(&reg->ctrl_status);
515 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
516 udelay(5);
517 d2 = RD_REG_DWORD(&reg->ctrl_status);
518 barrier();
519 }
520
521 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
522 RD_REG_DWORD(&reg->hccr);
523
524 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
525 RD_REG_DWORD(&reg->hccr);
526
527 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
528 RD_REG_DWORD(&reg->hccr);
529
530 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
531 for (cnt = 6000000 ; cnt && d2; cnt--) {
532 udelay(5);
533 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
534 barrier();
535 }
536
537 spin_unlock_irqrestore(&ha->hardware_lock, flags);
538 }
539
540 /**
541 * qla24xx_reset_chip() - Reset ISP24xx chip.
542 * @ha: HA context
543 *
544 * Returns 0 on success.
545 */
546 void
547 qla24xx_reset_chip(scsi_qla_host_t *ha)
548 {
549 ha->isp_ops.disable_intrs(ha);
550
551 /* Perform RISC reset. */
552 qla24xx_reset_risc(ha);
553 }
554
555 /**
556 * qla2x00_chip_diag() - Test chip for proper operation.
557 * @ha: HA context
558 *
559 * Returns 0 on success.
560 */
561 int
562 qla2x00_chip_diag(scsi_qla_host_t *ha)
563 {
564 int rval;
565 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
566 unsigned long flags = 0;
567 uint16_t data;
568 uint32_t cnt;
569 uint16_t mb[5];
570
571 /* Assume a failed state */
572 rval = QLA_FUNCTION_FAILED;
573
574 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
575 ha->host_no, (u_long)&reg->flash_address));
576
577 spin_lock_irqsave(&ha->hardware_lock, flags);
578
579 /* Reset ISP chip. */
580 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
581
582 /*
583 * We need to have a delay here since the card will not respond while
584 * in reset causing an MCA on some architectures.
585 */
586 udelay(20);
587 data = qla2x00_debounce_register(&reg->ctrl_status);
588 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
589 udelay(5);
590 data = RD_REG_WORD(&reg->ctrl_status);
591 barrier();
592 }
593
594 if (!cnt)
595 goto chip_diag_failed;
596
597 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
598 ha->host_no));
599
600 /* Reset RISC processor. */
601 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
602 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
603
604 /* Workaround for QLA2312 PCI parity error */
605 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
606 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
607 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
608 udelay(5);
609 data = RD_MAILBOX_REG(ha, reg, 0);
610 barrier();
611 }
612 } else
613 udelay(10);
614
615 if (!cnt)
616 goto chip_diag_failed;
617
618 /* Check product ID of chip */
619 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
620
621 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
622 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
623 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
624 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
625 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
626 mb[3] != PROD_ID_3) {
627 qla_printk(KERN_WARNING, ha,
628 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
629
630 goto chip_diag_failed;
631 }
632 ha->product_id[0] = mb[1];
633 ha->product_id[1] = mb[2];
634 ha->product_id[2] = mb[3];
635 ha->product_id[3] = mb[4];
636
637 /* Adjust fw RISC transfer size */
638 if (ha->request_q_length > 1024)
639 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
640 else
641 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
642 ha->request_q_length;
643
644 if (IS_QLA2200(ha) &&
645 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
646 /* Limit firmware transfer size with a 2200A */
647 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
648 ha->host_no));
649
650 ha->device_type |= DT_ISP2200A;
651 ha->fw_transfer_size = 128;
652 }
653
654 /* Wrap Incoming Mailboxes Test. */
655 spin_unlock_irqrestore(&ha->hardware_lock, flags);
656
657 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
658 rval = qla2x00_mbx_reg_test(ha);
659 if (rval) {
660 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
661 ha->host_no));
662 qla_printk(KERN_WARNING, ha,
663 "Failed mailbox send register test\n");
664 }
665 else {
666 /* Flag a successful rval */
667 rval = QLA_SUCCESS;
668 }
669 spin_lock_irqsave(&ha->hardware_lock, flags);
670
671 chip_diag_failed:
672 if (rval)
673 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
674 "****\n", ha->host_no));
675
676 spin_unlock_irqrestore(&ha->hardware_lock, flags);
677
678 return (rval);
679 }
680
681 /**
682 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
683 * @ha: HA context
684 *
685 * Returns 0 on success.
686 */
687 int
688 qla24xx_chip_diag(scsi_qla_host_t *ha)
689 {
690 int rval;
691
692 /* Perform RISC reset. */
693 qla24xx_reset_risc(ha);
694
695 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
696
697 rval = qla2x00_mbx_reg_test(ha);
698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
700 ha->host_no));
701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 } else {
704 /* Flag a successful rval */
705 rval = QLA_SUCCESS;
706 }
707
708 return rval;
709 }
710
711 void
712 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
713 {
714 int rval;
715 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
716 eft_size;
717 dma_addr_t eft_dma;
718 void *eft;
719
720 if (ha->fw_dump) {
721 qla_printk(KERN_WARNING, ha,
722 "Firmware dump previously allocated.\n");
723 return;
724 }
725
726 ha->fw_dumped = 0;
727 fixed_size = mem_size = eft_size = 0;
728 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
729 fixed_size = sizeof(struct qla2100_fw_dump);
730 } else if (IS_QLA23XX(ha)) {
731 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
732 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
733 sizeof(uint16_t);
734 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
735 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
736 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
737 sizeof(uint32_t);
738
739 /* Allocate memory for Extended Trace Buffer. */
740 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
741 GFP_KERNEL);
742 if (!eft) {
743 qla_printk(KERN_WARNING, ha, "Unable to allocate "
744 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
745 goto cont_alloc;
746 }
747
748 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
749 EFT_NUM_BUFFERS);
750 if (rval) {
751 qla_printk(KERN_WARNING, ha, "Unable to initialize "
752 "EFT (%d).\n", rval);
753 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
754 eft_dma);
755 goto cont_alloc;
756 }
757
758 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
759 EFT_SIZE / 1024);
760
761 eft_size = EFT_SIZE;
762 memset(eft, 0, eft_size);
763 ha->eft_dma = eft_dma;
764 ha->eft = eft;
765 }
766 cont_alloc:
767 req_q_size = ha->request_q_length * sizeof(request_t);
768 rsp_q_size = ha->response_q_length * sizeof(response_t);
769
770 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
771 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
772 eft_size;
773
774 ha->fw_dump = vmalloc(dump_size);
775 if (!ha->fw_dump) {
776 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
777 "firmware dump!!!\n", dump_size / 1024);
778
779 if (ha->eft) {
780 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
781 ha->eft_dma);
782 ha->eft = NULL;
783 ha->eft_dma = 0;
784 }
785 return;
786 }
787
788 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
789 dump_size / 1024);
790
791 ha->fw_dump_len = dump_size;
792 ha->fw_dump->signature[0] = 'Q';
793 ha->fw_dump->signature[1] = 'L';
794 ha->fw_dump->signature[2] = 'G';
795 ha->fw_dump->signature[3] = 'C';
796 ha->fw_dump->version = __constant_htonl(1);
797
798 ha->fw_dump->fixed_size = htonl(fixed_size);
799 ha->fw_dump->mem_size = htonl(mem_size);
800 ha->fw_dump->req_q_size = htonl(req_q_size);
801 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
802
803 ha->fw_dump->eft_size = htonl(eft_size);
804 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
805 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
806
807 ha->fw_dump->header_size =
808 htonl(offsetof(struct qla2xxx_fw_dump, isp));
809 }
810
811 /**
812 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
813 * @ha: HA context
814 *
815 * Returns 0 on success.
816 */
817 static void
818 qla2x00_resize_request_q(scsi_qla_host_t *ha)
819 {
820 int rval;
821 uint16_t fw_iocb_cnt = 0;
822 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
823 dma_addr_t request_dma;
824 request_t *request_ring;
825
826 /* Valid only on recent ISPs. */
827 if (IS_QLA2100(ha) || IS_QLA2200(ha))
828 return;
829
830 /* Retrieve IOCB counts available to the firmware. */
831 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
832 if (rval)
833 return;
834 /* No point in continuing if current settings are sufficient. */
835 if (fw_iocb_cnt < 1024)
836 return;
837 if (ha->request_q_length >= request_q_length)
838 return;
839
840 /* Attempt to claim larger area for request queue. */
841 request_ring = dma_alloc_coherent(&ha->pdev->dev,
842 (request_q_length + 1) * sizeof(request_t), &request_dma,
843 GFP_KERNEL);
844 if (request_ring == NULL)
845 return;
846
847 /* Resize successful, report extensions. */
848 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
849 (ha->fw_memory_size + 1) / 1024);
850 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
851 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
852
853 /* Clear old allocations. */
854 dma_free_coherent(&ha->pdev->dev,
855 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
856 ha->request_dma);
857
858 /* Begin using larger queue. */
859 ha->request_q_length = request_q_length;
860 ha->request_ring = request_ring;
861 ha->request_dma = request_dma;
862 }
863
864 /**
865 * qla2x00_setup_chip() - Load and start RISC firmware.
866 * @ha: HA context
867 *
868 * Returns 0 on success.
869 */
870 static int
871 qla2x00_setup_chip(scsi_qla_host_t *ha)
872 {
873 int rval;
874 uint32_t srisc_address = 0;
875
876 /* Load firmware sequences */
877 rval = ha->isp_ops.load_risc(ha, &srisc_address);
878 if (rval == QLA_SUCCESS) {
879 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
880 "code.\n", ha->host_no));
881
882 rval = qla2x00_verify_checksum(ha, srisc_address);
883 if (rval == QLA_SUCCESS) {
884 /* Start firmware execution. */
885 DEBUG(printk("scsi(%ld): Checksum OK, start "
886 "firmware.\n", ha->host_no));
887
888 rval = qla2x00_execute_fw(ha, srisc_address);
889 /* Retrieve firmware information. */
890 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
891 qla2x00_get_fw_version(ha,
892 &ha->fw_major_version,
893 &ha->fw_minor_version,
894 &ha->fw_subminor_version,
895 &ha->fw_attributes, &ha->fw_memory_size);
896 qla2x00_resize_request_q(ha);
897
898 if (ql2xallocfwdump)
899 qla2x00_alloc_fw_dump(ha);
900 }
901 } else {
902 DEBUG2(printk(KERN_INFO
903 "scsi(%ld): ISP Firmware failed checksum.\n",
904 ha->host_no));
905 }
906 }
907
908 if (rval) {
909 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
910 ha->host_no));
911 }
912
913 return (rval);
914 }
915
916 /**
917 * qla2x00_init_response_q_entries() - Initializes response queue entries.
918 * @ha: HA context
919 *
920 * Beginning of request ring has initialization control block already built
921 * by nvram config routine.
922 *
923 * Returns 0 on success.
924 */
925 static void
926 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
927 {
928 uint16_t cnt;
929 response_t *pkt;
930
931 pkt = ha->response_ring_ptr;
932 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
933 pkt->signature = RESPONSE_PROCESSED;
934 pkt++;
935 }
936
937 }
938
939 /**
940 * qla2x00_update_fw_options() - Read and process firmware options.
941 * @ha: HA context
942 *
943 * Returns 0 on success.
944 */
945 void
946 qla2x00_update_fw_options(scsi_qla_host_t *ha)
947 {
948 uint16_t swing, emphasis, tx_sens, rx_sens;
949
950 memset(ha->fw_options, 0, sizeof(ha->fw_options));
951 qla2x00_get_fw_options(ha, ha->fw_options);
952
953 if (IS_QLA2100(ha) || IS_QLA2200(ha))
954 return;
955
956 /* Serial Link options. */
957 DEBUG3(printk("scsi(%ld): Serial link options:\n",
958 ha->host_no));
959 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
960 sizeof(ha->fw_seriallink_options)));
961
962 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
963 if (ha->fw_seriallink_options[3] & BIT_2) {
964 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
965
966 /* 1G settings */
967 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
968 emphasis = (ha->fw_seriallink_options[2] &
969 (BIT_4 | BIT_3)) >> 3;
970 tx_sens = ha->fw_seriallink_options[0] &
971 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
972 rx_sens = (ha->fw_seriallink_options[0] &
973 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
974 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
975 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
976 if (rx_sens == 0x0)
977 rx_sens = 0x3;
978 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
979 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
980 ha->fw_options[10] |= BIT_5 |
981 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
982 (tx_sens & (BIT_1 | BIT_0));
983
984 /* 2G settings */
985 swing = (ha->fw_seriallink_options[2] &
986 (BIT_7 | BIT_6 | BIT_5)) >> 5;
987 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
988 tx_sens = ha->fw_seriallink_options[1] &
989 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
990 rx_sens = (ha->fw_seriallink_options[1] &
991 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
992 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
993 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
994 if (rx_sens == 0x0)
995 rx_sens = 0x3;
996 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
997 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
998 ha->fw_options[11] |= BIT_5 |
999 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1000 (tx_sens & (BIT_1 | BIT_0));
1001 }
1002
1003 /* FCP2 options. */
1004 /* Return command IOCBs without waiting for an ABTS to complete. */
1005 ha->fw_options[3] |= BIT_13;
1006
1007 /* LED scheme. */
1008 if (ha->flags.enable_led_scheme)
1009 ha->fw_options[2] |= BIT_12;
1010
1011 /* Detect ISP6312. */
1012 if (IS_QLA6312(ha))
1013 ha->fw_options[2] |= BIT_13;
1014
1015 /* Update firmware options. */
1016 qla2x00_set_fw_options(ha, ha->fw_options);
1017 }
1018
1019 void
1020 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1021 {
1022 int rval;
1023
1024 /* Update Serial Link options. */
1025 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1026 return;
1027
1028 rval = qla2x00_set_serdes_params(ha,
1029 le16_to_cpu(ha->fw_seriallink_options24[1]),
1030 le16_to_cpu(ha->fw_seriallink_options24[2]),
1031 le16_to_cpu(ha->fw_seriallink_options24[3]));
1032 if (rval != QLA_SUCCESS) {
1033 qla_printk(KERN_WARNING, ha,
1034 "Unable to update Serial Link options (%x).\n", rval);
1035 }
1036 }
1037
1038 void
1039 qla2x00_config_rings(struct scsi_qla_host *ha)
1040 {
1041 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1042
1043 /* Setup ring parameters in initialization control block. */
1044 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1045 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1046 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1047 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1048 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1049 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1050 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1051 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1052
1053 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1054 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1055 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1056 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1057 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1058 }
1059
1060 void
1061 qla24xx_config_rings(struct scsi_qla_host *ha)
1062 {
1063 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1064 struct init_cb_24xx *icb;
1065
1066 /* Setup ring parameters in initialization control block. */
1067 icb = (struct init_cb_24xx *)ha->init_cb;
1068 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1069 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1070 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1071 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1072 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1073 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1074 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1075 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1076
1077 WRT_REG_DWORD(&reg->req_q_in, 0);
1078 WRT_REG_DWORD(&reg->req_q_out, 0);
1079 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1080 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1081 RD_REG_DWORD(&reg->rsp_q_out);
1082 }
1083
1084 /**
1085 * qla2x00_init_rings() - Initializes firmware.
1086 * @ha: HA context
1087 *
1088 * Beginning of request ring has initialization control block already built
1089 * by nvram config routine.
1090 *
1091 * Returns 0 on success.
1092 */
1093 static int
1094 qla2x00_init_rings(scsi_qla_host_t *ha)
1095 {
1096 int rval;
1097 unsigned long flags = 0;
1098 int cnt;
1099
1100 spin_lock_irqsave(&ha->hardware_lock, flags);
1101
1102 /* Clear outstanding commands array. */
1103 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1104 ha->outstanding_cmds[cnt] = NULL;
1105
1106 ha->current_outstanding_cmd = 0;
1107
1108 /* Clear RSCN queue. */
1109 ha->rscn_in_ptr = 0;
1110 ha->rscn_out_ptr = 0;
1111
1112 /* Initialize firmware. */
1113 ha->request_ring_ptr = ha->request_ring;
1114 ha->req_ring_index = 0;
1115 ha->req_q_cnt = ha->request_q_length;
1116 ha->response_ring_ptr = ha->response_ring;
1117 ha->rsp_ring_index = 0;
1118
1119 /* Initialize response queue entries */
1120 qla2x00_init_response_q_entries(ha);
1121
1122 ha->isp_ops.config_rings(ha);
1123
1124 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1125
1126 /* Update any ISP specific firmware options before initialization. */
1127 ha->isp_ops.update_fw_options(ha);
1128
1129 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1130 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1131 if (rval) {
1132 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1133 ha->host_no));
1134 } else {
1135 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1136 ha->host_no));
1137 }
1138
1139 return (rval);
1140 }
1141
1142 /**
1143 * qla2x00_fw_ready() - Waits for firmware ready.
1144 * @ha: HA context
1145 *
1146 * Returns 0 on success.
1147 */
1148 static int
1149 qla2x00_fw_ready(scsi_qla_host_t *ha)
1150 {
1151 int rval;
1152 unsigned long wtime, mtime;
1153 uint16_t min_wait; /* Minimum wait time if loop is down */
1154 uint16_t wait_time; /* Wait time if loop is coming ready */
1155 uint16_t fw_state;
1156
1157 rval = QLA_SUCCESS;
1158
1159 /* 20 seconds for loop down. */
1160 min_wait = 20;
1161
1162 /*
1163 * Firmware should take at most one RATOV to login, plus 5 seconds for
1164 * our own processing.
1165 */
1166 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1167 wait_time = min_wait;
1168 }
1169
1170 /* Min wait time if loop down */
1171 mtime = jiffies + (min_wait * HZ);
1172
1173 /* wait time before firmware ready */
1174 wtime = jiffies + (wait_time * HZ);
1175
1176 /* Wait for ISP to finish LIP */
1177 if (!ha->flags.init_done)
1178 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1179
1180 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1181 ha->host_no));
1182
1183 do {
1184 rval = qla2x00_get_firmware_state(ha, &fw_state);
1185 if (rval == QLA_SUCCESS) {
1186 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1187 ha->device_flags &= ~DFLG_NO_CABLE;
1188 }
1189 if (fw_state == FSTATE_READY) {
1190 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1191 ha->host_no));
1192
1193 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1194 &ha->login_timeout, &ha->r_a_tov);
1195
1196 rval = QLA_SUCCESS;
1197 break;
1198 }
1199
1200 rval = QLA_FUNCTION_FAILED;
1201
1202 if (atomic_read(&ha->loop_down_timer) &&
1203 fw_state != FSTATE_READY) {
1204 /* Loop down. Timeout on min_wait for states
1205 * other than Wait for Login.
1206 */
1207 if (time_after_eq(jiffies, mtime)) {
1208 qla_printk(KERN_INFO, ha,
1209 "Cable is unplugged...\n");
1210
1211 ha->device_flags |= DFLG_NO_CABLE;
1212 break;
1213 }
1214 }
1215 } else {
1216 /* Mailbox cmd failed. Timeout on min_wait. */
1217 if (time_after_eq(jiffies, mtime))
1218 break;
1219 }
1220
1221 if (time_after_eq(jiffies, wtime))
1222 break;
1223
1224 /* Delay for a while */
1225 msleep(500);
1226
1227 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1228 ha->host_no, fw_state, jiffies));
1229 } while (1);
1230
1231 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1232 ha->host_no, fw_state, jiffies));
1233
1234 if (rval) {
1235 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1236 ha->host_no));
1237 }
1238
1239 return (rval);
1240 }
1241
1242 /*
1243 * qla2x00_configure_hba
1244 * Setup adapter context.
1245 *
1246 * Input:
1247 * ha = adapter state pointer.
1248 *
1249 * Returns:
1250 * 0 = success
1251 *
1252 * Context:
1253 * Kernel context.
1254 */
1255 static int
1256 qla2x00_configure_hba(scsi_qla_host_t *ha)
1257 {
1258 int rval;
1259 uint16_t loop_id;
1260 uint16_t topo;
1261 uint8_t al_pa;
1262 uint8_t area;
1263 uint8_t domain;
1264 char connect_type[22];
1265
1266 /* Get host addresses. */
1267 rval = qla2x00_get_adapter_id(ha,
1268 &loop_id, &al_pa, &area, &domain, &topo);
1269 if (rval != QLA_SUCCESS) {
1270 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1271 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1272 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1273 __func__, ha->host_no));
1274 } else {
1275 qla_printk(KERN_WARNING, ha,
1276 "ERROR -- Unable to get host loop ID.\n");
1277 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1278 }
1279 return (rval);
1280 }
1281
1282 if (topo == 4) {
1283 qla_printk(KERN_INFO, ha,
1284 "Cannot get topology - retrying.\n");
1285 return (QLA_FUNCTION_FAILED);
1286 }
1287
1288 ha->loop_id = loop_id;
1289
1290 /* initialize */
1291 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1292 ha->operating_mode = LOOP;
1293
1294 switch (topo) {
1295 case 0:
1296 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1297 ha->host_no));
1298 ha->current_topology = ISP_CFG_NL;
1299 strcpy(connect_type, "(Loop)");
1300 break;
1301
1302 case 1:
1303 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1304 ha->host_no));
1305 ha->current_topology = ISP_CFG_FL;
1306 strcpy(connect_type, "(FL_Port)");
1307 break;
1308
1309 case 2:
1310 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1311 ha->host_no));
1312 ha->operating_mode = P2P;
1313 ha->current_topology = ISP_CFG_N;
1314 strcpy(connect_type, "(N_Port-to-N_Port)");
1315 break;
1316
1317 case 3:
1318 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1319 ha->host_no));
1320 ha->operating_mode = P2P;
1321 ha->current_topology = ISP_CFG_F;
1322 strcpy(connect_type, "(F_Port)");
1323 break;
1324
1325 default:
1326 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1327 "Using NL.\n",
1328 ha->host_no, topo));
1329 ha->current_topology = ISP_CFG_NL;
1330 strcpy(connect_type, "(Loop)");
1331 break;
1332 }
1333
1334 /* Save Host port and loop ID. */
1335 /* byte order - Big Endian */
1336 ha->d_id.b.domain = domain;
1337 ha->d_id.b.area = area;
1338 ha->d_id.b.al_pa = al_pa;
1339
1340 if (!ha->flags.init_done)
1341 qla_printk(KERN_INFO, ha,
1342 "Topology - %s, Host Loop address 0x%x\n",
1343 connect_type, ha->loop_id);
1344
1345 if (rval) {
1346 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1347 } else {
1348 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1349 }
1350
1351 return(rval);
1352 }
1353
1354 /*
1355 * NVRAM configuration for ISP 2xxx
1356 *
1357 * Input:
1358 * ha = adapter block pointer.
1359 *
1360 * Output:
1361 * initialization control block in response_ring
1362 * host adapters parameters in host adapter block
1363 *
1364 * Returns:
1365 * 0 = success.
1366 */
1367 int
1368 qla2x00_nvram_config(scsi_qla_host_t *ha)
1369 {
1370 int rval;
1371 uint8_t chksum = 0;
1372 uint16_t cnt;
1373 uint8_t *dptr1, *dptr2;
1374 init_cb_t *icb = ha->init_cb;
1375 nvram_t *nv = (nvram_t *)ha->request_ring;
1376 uint8_t *ptr = (uint8_t *)ha->request_ring;
1377 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1378
1379 rval = QLA_SUCCESS;
1380
1381 /* Determine NVRAM starting address. */
1382 ha->nvram_size = sizeof(nvram_t);
1383 ha->nvram_base = 0;
1384 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1385 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1386 ha->nvram_base = 0x80;
1387
1388 /* Get NVRAM data and calculate checksum. */
1389 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1390 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1391 chksum += *ptr++;
1392
1393 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1394 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1395 ha->nvram_size));
1396
1397 /* Bad NVRAM data, set defaults parameters. */
1398 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1399 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1400 /* Reset NVRAM data. */
1401 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1402 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1403 nv->nvram_version);
1404 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1405 "invalid -- WWPN) defaults.\n");
1406
1407 /*
1408 * Set default initialization control block.
1409 */
1410 memset(nv, 0, ha->nvram_size);
1411 nv->parameter_block_version = ICB_VERSION;
1412
1413 if (IS_QLA23XX(ha)) {
1414 nv->firmware_options[0] = BIT_2 | BIT_1;
1415 nv->firmware_options[1] = BIT_7 | BIT_5;
1416 nv->add_firmware_options[0] = BIT_5;
1417 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1418 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1419 nv->special_options[1] = BIT_7;
1420 } else if (IS_QLA2200(ha)) {
1421 nv->firmware_options[0] = BIT_2 | BIT_1;
1422 nv->firmware_options[1] = BIT_7 | BIT_5;
1423 nv->add_firmware_options[0] = BIT_5;
1424 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1425 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1426 } else if (IS_QLA2100(ha)) {
1427 nv->firmware_options[0] = BIT_3 | BIT_1;
1428 nv->firmware_options[1] = BIT_5;
1429 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1430 }
1431
1432 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1433 nv->execution_throttle = __constant_cpu_to_le16(16);
1434 nv->retry_count = 8;
1435 nv->retry_delay = 1;
1436
1437 nv->port_name[0] = 33;
1438 nv->port_name[3] = 224;
1439 nv->port_name[4] = 139;
1440
1441 nv->login_timeout = 4;
1442
1443 /*
1444 * Set default host adapter parameters
1445 */
1446 nv->host_p[1] = BIT_2;
1447 nv->reset_delay = 5;
1448 nv->port_down_retry_count = 8;
1449 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1450 nv->link_down_timeout = 60;
1451
1452 rval = 1;
1453 }
1454
1455 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1456 /*
1457 * The SN2 does not provide BIOS emulation which means you can't change
1458 * potentially bogus BIOS settings. Force the use of default settings
1459 * for link rate and frame size. Hope that the rest of the settings
1460 * are valid.
1461 */
1462 if (ia64_platform_is("sn2")) {
1463 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1464 if (IS_QLA23XX(ha))
1465 nv->special_options[1] = BIT_7;
1466 }
1467 #endif
1468
1469 /* Reset Initialization control block */
1470 memset(icb, 0, ha->init_cb_size);
1471
1472 /*
1473 * Setup driver NVRAM options.
1474 */
1475 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1476 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1477 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1478 nv->firmware_options[1] &= ~BIT_4;
1479
1480 if (IS_QLA23XX(ha)) {
1481 nv->firmware_options[0] |= BIT_2;
1482 nv->firmware_options[0] &= ~BIT_3;
1483 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1484
1485 if (IS_QLA2300(ha)) {
1486 if (ha->fb_rev == FPM_2310) {
1487 strcpy(ha->model_number, "QLA2310");
1488 } else {
1489 strcpy(ha->model_number, "QLA2300");
1490 }
1491 } else {
1492 if (rval == 0 &&
1493 memcmp(nv->model_number, BINZERO,
1494 sizeof(nv->model_number)) != 0) {
1495 char *st, *en;
1496
1497 strncpy(ha->model_number, nv->model_number,
1498 sizeof(nv->model_number));
1499 st = en = ha->model_number;
1500 en += sizeof(nv->model_number) - 1;
1501 while (en > st) {
1502 if (*en != 0x20 && *en != 0x00)
1503 break;
1504 *en-- = '\0';
1505 }
1506 } else {
1507 uint16_t index;
1508
1509 index = (ha->pdev->subsystem_device & 0xff);
1510 if (index < QLA_MODEL_NAMES) {
1511 strcpy(ha->model_number,
1512 qla2x00_model_name[index * 2]);
1513 ha->model_desc =
1514 qla2x00_model_name[index * 2 + 1];
1515 } else {
1516 strcpy(ha->model_number, "QLA23xx");
1517 }
1518 }
1519 }
1520 } else if (IS_QLA2200(ha)) {
1521 nv->firmware_options[0] |= BIT_2;
1522 /*
1523 * 'Point-to-point preferred, else loop' is not a safe
1524 * connection mode setting.
1525 */
1526 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1527 (BIT_5 | BIT_4)) {
1528 /* Force 'loop preferred, else point-to-point'. */
1529 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1530 nv->add_firmware_options[0] |= BIT_5;
1531 }
1532 strcpy(ha->model_number, "QLA22xx");
1533 } else /*if (IS_QLA2100(ha))*/ {
1534 strcpy(ha->model_number, "QLA2100");
1535 }
1536
1537 /*
1538 * Copy over NVRAM RISC parameter block to initialization control block.
1539 */
1540 dptr1 = (uint8_t *)icb;
1541 dptr2 = (uint8_t *)&nv->parameter_block_version;
1542 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1543 while (cnt--)
1544 *dptr1++ = *dptr2++;
1545
1546 /* Copy 2nd half. */
1547 dptr1 = (uint8_t *)icb->add_firmware_options;
1548 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1549 while (cnt--)
1550 *dptr1++ = *dptr2++;
1551
1552 /* Use alternate WWN? */
1553 if (nv->host_p[1] & BIT_7) {
1554 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1555 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1556 }
1557
1558 /* Prepare nodename */
1559 if ((icb->firmware_options[1] & BIT_6) == 0) {
1560 /*
1561 * Firmware will apply the following mask if the nodename was
1562 * not provided.
1563 */
1564 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1565 icb->node_name[0] &= 0xF0;
1566 }
1567
1568 /*
1569 * Set host adapter parameters.
1570 */
1571 if (nv->host_p[0] & BIT_7)
1572 ql2xextended_error_logging = 1;
1573 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1574 /* Always load RISC code on non ISP2[12]00 chips. */
1575 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1576 ha->flags.disable_risc_code_load = 0;
1577 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1578 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1579 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1580 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1581 ha->flags.disable_serdes = 0;
1582
1583 ha->operating_mode =
1584 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1585
1586 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1587 sizeof(ha->fw_seriallink_options));
1588
1589 /* save HBA serial number */
1590 ha->serial0 = icb->port_name[5];
1591 ha->serial1 = icb->port_name[6];
1592 ha->serial2 = icb->port_name[7];
1593 ha->node_name = icb->node_name;
1594 ha->port_name = icb->port_name;
1595
1596 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1597
1598 ha->retry_count = nv->retry_count;
1599
1600 /* Set minimum login_timeout to 4 seconds. */
1601 if (nv->login_timeout < ql2xlogintimeout)
1602 nv->login_timeout = ql2xlogintimeout;
1603 if (nv->login_timeout < 4)
1604 nv->login_timeout = 4;
1605 ha->login_timeout = nv->login_timeout;
1606 icb->login_timeout = nv->login_timeout;
1607
1608 /* Set minimum RATOV to 200 tenths of a second. */
1609 ha->r_a_tov = 200;
1610
1611 ha->loop_reset_delay = nv->reset_delay;
1612
1613 /* Link Down Timeout = 0:
1614 *
1615 * When Port Down timer expires we will start returning
1616 * I/O's to OS with "DID_NO_CONNECT".
1617 *
1618 * Link Down Timeout != 0:
1619 *
1620 * The driver waits for the link to come up after link down
1621 * before returning I/Os to OS with "DID_NO_CONNECT".
1622 */
1623 if (nv->link_down_timeout == 0) {
1624 ha->loop_down_abort_time =
1625 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1626 } else {
1627 ha->link_down_timeout = nv->link_down_timeout;
1628 ha->loop_down_abort_time =
1629 (LOOP_DOWN_TIME - ha->link_down_timeout);
1630 }
1631
1632 /*
1633 * Need enough time to try and get the port back.
1634 */
1635 ha->port_down_retry_count = nv->port_down_retry_count;
1636 if (qlport_down_retry)
1637 ha->port_down_retry_count = qlport_down_retry;
1638 /* Set login_retry_count */
1639 ha->login_retry_count = nv->retry_count;
1640 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1641 ha->port_down_retry_count > 3)
1642 ha->login_retry_count = ha->port_down_retry_count;
1643 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1644 ha->login_retry_count = ha->port_down_retry_count;
1645 if (ql2xloginretrycount)
1646 ha->login_retry_count = ql2xloginretrycount;
1647
1648 icb->lun_enables = __constant_cpu_to_le16(0);
1649 icb->command_resource_count = 0;
1650 icb->immediate_notify_resource_count = 0;
1651 icb->timeout = __constant_cpu_to_le16(0);
1652
1653 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1654 /* Enable RIO */
1655 icb->firmware_options[0] &= ~BIT_3;
1656 icb->add_firmware_options[0] &=
1657 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1658 icb->add_firmware_options[0] |= BIT_2;
1659 icb->response_accumulation_timer = 3;
1660 icb->interrupt_delay_timer = 5;
1661
1662 ha->flags.process_response_queue = 1;
1663 } else {
1664 /* Enable ZIO. */
1665 if (!ha->flags.init_done) {
1666 ha->zio_mode = icb->add_firmware_options[0] &
1667 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1668 ha->zio_timer = icb->interrupt_delay_timer ?
1669 icb->interrupt_delay_timer: 2;
1670 }
1671 icb->add_firmware_options[0] &=
1672 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1673 ha->flags.process_response_queue = 0;
1674 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1675 ha->zio_mode = QLA_ZIO_MODE_6;
1676
1677 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1678 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1679 ha->zio_timer * 100));
1680 qla_printk(KERN_INFO, ha,
1681 "ZIO mode %d enabled; timer delay (%d us).\n",
1682 ha->zio_mode, ha->zio_timer * 100);
1683
1684 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1685 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1686 ha->flags.process_response_queue = 1;
1687 }
1688 }
1689
1690 if (rval) {
1691 DEBUG2_3(printk(KERN_WARNING
1692 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1693 }
1694 return (rval);
1695 }
1696
1697 static void
1698 qla2x00_rport_del(void *data)
1699 {
1700 fc_port_t *fcport = data;
1701 struct fc_rport *rport;
1702 unsigned long flags;
1703
1704 spin_lock_irqsave(&fcport->rport_lock, flags);
1705 rport = fcport->drport;
1706 fcport->drport = NULL;
1707 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1708 if (rport)
1709 fc_remote_port_delete(rport);
1710
1711 }
1712
1713 /**
1714 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1715 * @ha: HA context
1716 * @flags: allocation flags
1717 *
1718 * Returns a pointer to the allocated fcport, or NULL, if none available.
1719 */
1720 static fc_port_t *
1721 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1722 {
1723 fc_port_t *fcport;
1724
1725 fcport = kmalloc(sizeof(fc_port_t), flags);
1726 if (fcport == NULL)
1727 return (fcport);
1728
1729 /* Setup fcport template structure. */
1730 memset(fcport, 0, sizeof (fc_port_t));
1731 fcport->ha = ha;
1732 fcport->port_type = FCT_UNKNOWN;
1733 fcport->loop_id = FC_NO_LOOP_ID;
1734 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1735 fcport->flags = FCF_RLC_SUPPORT;
1736 fcport->supported_classes = FC_COS_UNSPECIFIED;
1737 spin_lock_init(&fcport->rport_lock);
1738
1739 return (fcport);
1740 }
1741
1742 /*
1743 * qla2x00_configure_loop
1744 * Updates Fibre Channel Device Database with what is actually on loop.
1745 *
1746 * Input:
1747 * ha = adapter block pointer.
1748 *
1749 * Returns:
1750 * 0 = success.
1751 * 1 = error.
1752 * 2 = database was full and device was not configured.
1753 */
1754 static int
1755 qla2x00_configure_loop(scsi_qla_host_t *ha)
1756 {
1757 int rval;
1758 unsigned long flags, save_flags;
1759
1760 rval = QLA_SUCCESS;
1761
1762 /* Get Initiator ID */
1763 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1764 rval = qla2x00_configure_hba(ha);
1765 if (rval != QLA_SUCCESS) {
1766 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1767 ha->host_no));
1768 return (rval);
1769 }
1770 }
1771
1772 save_flags = flags = ha->dpc_flags;
1773 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1774 ha->host_no, flags));
1775
1776 /*
1777 * If we have both an RSCN and PORT UPDATE pending then handle them
1778 * both at the same time.
1779 */
1780 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1781 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1782
1783 /* Determine what we need to do */
1784 if (ha->current_topology == ISP_CFG_FL &&
1785 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1786
1787 ha->flags.rscn_queue_overflow = 1;
1788 set_bit(RSCN_UPDATE, &flags);
1789
1790 } else if (ha->current_topology == ISP_CFG_F &&
1791 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1792
1793 ha->flags.rscn_queue_overflow = 1;
1794 set_bit(RSCN_UPDATE, &flags);
1795 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1796
1797 } else if (ha->current_topology == ISP_CFG_N) {
1798 clear_bit(RSCN_UPDATE, &flags);
1799
1800 } else if (!ha->flags.online ||
1801 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1802
1803 ha->flags.rscn_queue_overflow = 1;
1804 set_bit(RSCN_UPDATE, &flags);
1805 set_bit(LOCAL_LOOP_UPDATE, &flags);
1806 }
1807
1808 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1809 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1810 rval = QLA_FUNCTION_FAILED;
1811 } else {
1812 rval = qla2x00_configure_local_loop(ha);
1813 }
1814 }
1815
1816 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1817 if (LOOP_TRANSITION(ha)) {
1818 rval = QLA_FUNCTION_FAILED;
1819 } else {
1820 rval = qla2x00_configure_fabric(ha);
1821 }
1822 }
1823
1824 if (rval == QLA_SUCCESS) {
1825 if (atomic_read(&ha->loop_down_timer) ||
1826 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1827 rval = QLA_FUNCTION_FAILED;
1828 } else {
1829 atomic_set(&ha->loop_state, LOOP_READY);
1830
1831 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1832 }
1833 }
1834
1835 if (rval) {
1836 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1837 __func__, ha->host_no));
1838 } else {
1839 DEBUG3(printk("%s: exiting normally\n", __func__));
1840 }
1841
1842 /* Restore state if a resync event occured during processing */
1843 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1844 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1845 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1846 if (test_bit(RSCN_UPDATE, &save_flags))
1847 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1848 }
1849
1850 return (rval);
1851 }
1852
1853
1854
1855 /*
1856 * qla2x00_configure_local_loop
1857 * Updates Fibre Channel Device Database with local loop devices.
1858 *
1859 * Input:
1860 * ha = adapter block pointer.
1861 *
1862 * Returns:
1863 * 0 = success.
1864 */
1865 static int
1866 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1867 {
1868 int rval, rval2;
1869 int found_devs;
1870 int found;
1871 fc_port_t *fcport, *new_fcport;
1872
1873 uint16_t index;
1874 uint16_t entries;
1875 char *id_iter;
1876 uint16_t loop_id;
1877 uint8_t domain, area, al_pa;
1878
1879 found_devs = 0;
1880 new_fcport = NULL;
1881 entries = MAX_FIBRE_DEVICES;
1882
1883 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1884 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1885
1886 /* Get list of logged in devices. */
1887 memset(ha->gid_list, 0, GID_LIST_SIZE);
1888 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1889 &entries);
1890 if (rval != QLA_SUCCESS)
1891 goto cleanup_allocation;
1892
1893 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1894 ha->host_no, entries));
1895 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1896 entries * sizeof(struct gid_list_info)));
1897
1898 /* Allocate temporary fcport for any new fcports discovered. */
1899 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1900 if (new_fcport == NULL) {
1901 rval = QLA_MEMORY_ALLOC_FAILED;
1902 goto cleanup_allocation;
1903 }
1904 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1905
1906 /*
1907 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1908 */
1909 list_for_each_entry(fcport, &ha->fcports, list) {
1910 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1911 fcport->port_type != FCT_BROADCAST &&
1912 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1913
1914 DEBUG(printk("scsi(%ld): Marking port lost, "
1915 "loop_id=0x%04x\n",
1916 ha->host_no, fcport->loop_id));
1917
1918 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1919 fcport->flags &= ~FCF_FARP_DONE;
1920 }
1921 }
1922
1923 /* Add devices to port list. */
1924 id_iter = (char *)ha->gid_list;
1925 for (index = 0; index < entries; index++) {
1926 domain = ((struct gid_list_info *)id_iter)->domain;
1927 area = ((struct gid_list_info *)id_iter)->area;
1928 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1929 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1930 loop_id = (uint16_t)
1931 ((struct gid_list_info *)id_iter)->loop_id_2100;
1932 else
1933 loop_id = le16_to_cpu(
1934 ((struct gid_list_info *)id_iter)->loop_id);
1935 id_iter += ha->gid_list_info_size;
1936
1937 /* Bypass reserved domain fields. */
1938 if ((domain & 0xf0) == 0xf0)
1939 continue;
1940
1941 /* Bypass if not same domain and area of adapter. */
1942 if (area && domain &&
1943 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1944 continue;
1945
1946 /* Bypass invalid local loop ID. */
1947 if (loop_id > LAST_LOCAL_LOOP_ID)
1948 continue;
1949
1950 /* Fill in member data. */
1951 new_fcport->d_id.b.domain = domain;
1952 new_fcport->d_id.b.area = area;
1953 new_fcport->d_id.b.al_pa = al_pa;
1954 new_fcport->loop_id = loop_id;
1955 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1956 if (rval2 != QLA_SUCCESS) {
1957 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1958 "information -- get_port_database=%x, "
1959 "loop_id=0x%04x\n",
1960 ha->host_no, rval2, new_fcport->loop_id));
1961 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1962 ha->host_no));
1963 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1964 continue;
1965 }
1966
1967 /* Check for matching device in port list. */
1968 found = 0;
1969 fcport = NULL;
1970 list_for_each_entry(fcport, &ha->fcports, list) {
1971 if (memcmp(new_fcport->port_name, fcport->port_name,
1972 WWN_SIZE))
1973 continue;
1974
1975 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1976 FCF_PERSISTENT_BOUND);
1977 fcport->loop_id = new_fcport->loop_id;
1978 fcport->port_type = new_fcport->port_type;
1979 fcport->d_id.b24 = new_fcport->d_id.b24;
1980 memcpy(fcport->node_name, new_fcport->node_name,
1981 WWN_SIZE);
1982
1983 found++;
1984 break;
1985 }
1986
1987 if (!found) {
1988 /* New device, add to fcports list. */
1989 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1990 list_add_tail(&new_fcport->list, &ha->fcports);
1991
1992 /* Allocate a new replacement fcport. */
1993 fcport = new_fcport;
1994 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1995 if (new_fcport == NULL) {
1996 rval = QLA_MEMORY_ALLOC_FAILED;
1997 goto cleanup_allocation;
1998 }
1999 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2000 }
2001
2002 /* Base iIDMA settings on HBA port speed. */
2003 switch (ha->link_data_rate) {
2004 case PORT_SPEED_1GB:
2005 fcport->fp_speed = cpu_to_be16(BIT_15);
2006 break;
2007 case PORT_SPEED_2GB:
2008 fcport->fp_speed = cpu_to_be16(BIT_14);
2009 break;
2010 case PORT_SPEED_4GB:
2011 fcport->fp_speed = cpu_to_be16(BIT_13);
2012 break;
2013 }
2014
2015 qla2x00_update_fcport(ha, fcport);
2016
2017 found_devs++;
2018 }
2019
2020 cleanup_allocation:
2021 kfree(new_fcport);
2022
2023 if (rval != QLA_SUCCESS) {
2024 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2025 "rval=%x\n", ha->host_no, rval));
2026 }
2027
2028 if (found_devs) {
2029 ha->device_flags |= DFLG_LOCAL_DEVICES;
2030 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2031 }
2032
2033 return (rval);
2034 }
2035
2036 static void
2037 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2038 {
2039 fc_port_t *fcport;
2040
2041 qla2x00_mark_all_devices_lost(ha, 0);
2042 list_for_each_entry(fcport, &ha->fcports, list) {
2043 if (fcport->port_type != FCT_TARGET)
2044 continue;
2045
2046 qla2x00_update_fcport(ha, fcport);
2047 }
2048 }
2049
2050 static void
2051 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2052 {
2053 #define LS_UNKNOWN 2
2054 static char *link_speeds[5] = { "1", "2", "?", "4" };
2055 int rval;
2056 uint16_t port_speed, mb[6];
2057
2058 if (!IS_QLA24XX(ha))
2059 return;
2060
2061 switch (be16_to_cpu(fcport->fp_speed)) {
2062 case BIT_15:
2063 port_speed = PORT_SPEED_1GB;
2064 break;
2065 case BIT_14:
2066 port_speed = PORT_SPEED_2GB;
2067 break;
2068 case BIT_13:
2069 port_speed = PORT_SPEED_4GB;
2070 break;
2071 default:
2072 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- "
2073 "unsupported FM port operating speed (%04x).\n",
2074 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2075 fcport->port_name[2], fcport->port_name[3],
2076 fcport->port_name[4], fcport->port_name[5],
2077 fcport->port_name[6], fcport->port_name[7],
2078 be16_to_cpu(fcport->fp_speed)));
2079 port_speed = PORT_SPEED_UNKNOWN;
2080 break;
2081 }
2082 if (port_speed == PORT_SPEED_UNKNOWN)
2083 return;
2084
2085 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb);
2086 if (rval != QLA_SUCCESS) {
2087 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2088 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2089 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2090 fcport->port_name[2], fcport->port_name[3],
2091 fcport->port_name[4], fcport->port_name[5],
2092 fcport->port_name[6], fcport->port_name[7], rval,
2093 port_speed, mb[0], mb[1]));
2094 } else {
2095 DEBUG2(qla_printk(KERN_INFO, ha,
2096 "iIDMA adjusted to %s GB/s on "
2097 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2098 link_speeds[port_speed], fcport->port_name[0],
2099 fcport->port_name[1], fcport->port_name[2],
2100 fcport->port_name[3], fcport->port_name[4],
2101 fcport->port_name[5], fcport->port_name[6],
2102 fcport->port_name[7]));
2103 }
2104 }
2105
2106 static void
2107 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2108 {
2109 struct fc_rport_identifiers rport_ids;
2110 struct fc_rport *rport;
2111 unsigned long flags;
2112
2113 if (fcport->drport)
2114 qla2x00_rport_del(fcport);
2115 if (fcport->rport)
2116 return;
2117
2118 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2119 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2120 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2121 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2122 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2123 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2124 if (!rport) {
2125 qla_printk(KERN_WARNING, ha,
2126 "Unable to allocate fc remote port!\n");
2127 return;
2128 }
2129 spin_lock_irqsave(&fcport->rport_lock, flags);
2130 fcport->rport = rport;
2131 *((fc_port_t **)rport->dd_data) = fcport;
2132 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2133
2134 rport->supported_classes = fcport->supported_classes;
2135
2136 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2137 if (fcport->port_type == FCT_INITIATOR)
2138 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2139 if (fcport->port_type == FCT_TARGET)
2140 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2141 fc_remote_port_rolechg(rport, rport_ids.roles);
2142
2143 if (rport->scsi_target_id != -1 &&
2144 rport->scsi_target_id < ha->host->max_id)
2145 fcport->os_target_id = rport->scsi_target_id;
2146 }
2147
2148 /*
2149 * qla2x00_update_fcport
2150 * Updates device on list.
2151 *
2152 * Input:
2153 * ha = adapter block pointer.
2154 * fcport = port structure pointer.
2155 *
2156 * Return:
2157 * 0 - Success
2158 * BIT_0 - error
2159 *
2160 * Context:
2161 * Kernel context.
2162 */
2163 void
2164 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2165 {
2166 fcport->ha = ha;
2167 fcport->login_retry = 0;
2168 fcport->port_login_retry_count = ha->port_down_retry_count *
2169 PORT_RETRY_TIME;
2170 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2171 PORT_RETRY_TIME);
2172 fcport->flags &= ~FCF_LOGIN_NEEDED;
2173
2174 qla2x00_iidma_fcport(ha, fcport);
2175
2176 atomic_set(&fcport->state, FCS_ONLINE);
2177
2178 qla2x00_reg_remote_port(ha, fcport);
2179 }
2180
2181 /*
2182 * qla2x00_configure_fabric
2183 * Setup SNS devices with loop ID's.
2184 *
2185 * Input:
2186 * ha = adapter block pointer.
2187 *
2188 * Returns:
2189 * 0 = success.
2190 * BIT_0 = error
2191 */
2192 static int
2193 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2194 {
2195 int rval, rval2;
2196 fc_port_t *fcport, *fcptemp;
2197 uint16_t next_loopid;
2198 uint16_t mb[MAILBOX_REGISTER_COUNT];
2199 uint16_t loop_id;
2200 LIST_HEAD(new_fcports);
2201
2202 /* If FL port exists, then SNS is present */
2203 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2204 loop_id = NPH_F_PORT;
2205 else
2206 loop_id = SNS_FL_PORT;
2207 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2208 if (rval != QLA_SUCCESS) {
2209 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2210 "Port\n", ha->host_no));
2211
2212 ha->device_flags &= ~SWITCH_FOUND;
2213 return (QLA_SUCCESS);
2214 }
2215 ha->device_flags |= SWITCH_FOUND;
2216
2217 /* Mark devices that need re-synchronization. */
2218 rval2 = qla2x00_device_resync(ha);
2219 if (rval2 == QLA_RSCNS_HANDLED) {
2220 /* No point doing the scan, just continue. */
2221 return (QLA_SUCCESS);
2222 }
2223 do {
2224 /* FDMI support. */
2225 if (ql2xfdmienable &&
2226 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2227 qla2x00_fdmi_register(ha);
2228
2229 /* Ensure we are logged into the SNS. */
2230 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2231 loop_id = NPH_SNS;
2232 else
2233 loop_id = SIMPLE_NAME_SERVER;
2234 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2235 0xfc, mb, BIT_1 | BIT_0);
2236 if (mb[0] != MBS_COMMAND_COMPLETE) {
2237 DEBUG2(qla_printk(KERN_INFO, ha,
2238 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2239 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2240 mb[0], mb[1], mb[2], mb[6], mb[7]));
2241 return (QLA_SUCCESS);
2242 }
2243
2244 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2245 if (qla2x00_rft_id(ha)) {
2246 /* EMPTY */
2247 DEBUG2(printk("scsi(%ld): Register FC-4 "
2248 "TYPE failed.\n", ha->host_no));
2249 }
2250 if (qla2x00_rff_id(ha)) {
2251 /* EMPTY */
2252 DEBUG2(printk("scsi(%ld): Register FC-4 "
2253 "Features failed.\n", ha->host_no));
2254 }
2255 if (qla2x00_rnn_id(ha)) {
2256 /* EMPTY */
2257 DEBUG2(printk("scsi(%ld): Register Node Name "
2258 "failed.\n", ha->host_no));
2259 } else if (qla2x00_rsnn_nn(ha)) {
2260 /* EMPTY */
2261 DEBUG2(printk("scsi(%ld): Register Symbolic "
2262 "Node Name failed.\n", ha->host_no));
2263 }
2264 }
2265
2266 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2267 if (rval != QLA_SUCCESS)
2268 break;
2269
2270 /*
2271 * Logout all previous fabric devices marked lost, except
2272 * tape devices.
2273 */
2274 list_for_each_entry(fcport, &ha->fcports, list) {
2275 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2276 break;
2277
2278 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2279 continue;
2280
2281 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2282 qla2x00_mark_device_lost(ha, fcport,
2283 ql2xplogiabsentdevice, 0);
2284 if (fcport->loop_id != FC_NO_LOOP_ID &&
2285 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2286 fcport->port_type != FCT_INITIATOR &&
2287 fcport->port_type != FCT_BROADCAST) {
2288 ha->isp_ops.fabric_logout(ha,
2289 fcport->loop_id,
2290 fcport->d_id.b.domain,
2291 fcport->d_id.b.area,
2292 fcport->d_id.b.al_pa);
2293 fcport->loop_id = FC_NO_LOOP_ID;
2294 }
2295 }
2296 }
2297
2298 /* Starting free loop ID. */
2299 next_loopid = ha->min_external_loopid;
2300
2301 /*
2302 * Scan through our port list and login entries that need to be
2303 * logged in.
2304 */
2305 list_for_each_entry(fcport, &ha->fcports, list) {
2306 if (atomic_read(&ha->loop_down_timer) ||
2307 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2308 break;
2309
2310 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2311 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2312 continue;
2313
2314 if (fcport->loop_id == FC_NO_LOOP_ID) {
2315 fcport->loop_id = next_loopid;
2316 rval = qla2x00_find_new_loop_id(ha, fcport);
2317 if (rval != QLA_SUCCESS) {
2318 /* Ran out of IDs to use */
2319 break;
2320 }
2321 }
2322 /* Login and update database */
2323 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2324 }
2325
2326 /* Exit if out of loop IDs. */
2327 if (rval != QLA_SUCCESS) {
2328 break;
2329 }
2330
2331 /*
2332 * Login and add the new devices to our port list.
2333 */
2334 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2335 if (atomic_read(&ha->loop_down_timer) ||
2336 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2337 break;
2338
2339 /* Find a new loop ID to use. */
2340 fcport->loop_id = next_loopid;
2341 rval = qla2x00_find_new_loop_id(ha, fcport);
2342 if (rval != QLA_SUCCESS) {
2343 /* Ran out of IDs to use */
2344 break;
2345 }
2346
2347 /* Remove device from the new list and add it to DB */
2348 list_move_tail(&fcport->list, &ha->fcports);
2349
2350 /* Login and update database */
2351 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2352 }
2353 } while (0);
2354
2355 /* Free all new device structures not processed. */
2356 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2357 list_del(&fcport->list);
2358 kfree(fcport);
2359 }
2360
2361 if (rval) {
2362 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2363 "rval=%d\n", ha->host_no, rval));
2364 }
2365
2366 return (rval);
2367 }
2368
2369
2370 /*
2371 * qla2x00_find_all_fabric_devs
2372 *
2373 * Input:
2374 * ha = adapter block pointer.
2375 * dev = database device entry pointer.
2376 *
2377 * Returns:
2378 * 0 = success.
2379 *
2380 * Context:
2381 * Kernel context.
2382 */
2383 static int
2384 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2385 {
2386 int rval;
2387 uint16_t loop_id;
2388 fc_port_t *fcport, *new_fcport, *fcptemp;
2389 int found;
2390
2391 sw_info_t *swl;
2392 int swl_idx;
2393 int first_dev, last_dev;
2394 port_id_t wrap, nxt_d_id;
2395
2396 rval = QLA_SUCCESS;
2397
2398 /* Try GID_PT to get device list, else GAN. */
2399 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2400 if (swl == NULL) {
2401 /*EMPTY*/
2402 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2403 "on GA_NXT\n", ha->host_no));
2404 } else {
2405 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2406 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2407 kfree(swl);
2408 swl = NULL;
2409 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2410 kfree(swl);
2411 swl = NULL;
2412 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2413 kfree(swl);
2414 swl = NULL;
2415 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2416 qla2x00_gpsc(ha, swl);
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 memcpy(new_fcport->fabric_port_name,
2452 swl[swl_idx].fabric_port_name, WWN_SIZE);
2453 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2454
2455 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2456 last_dev = 1;
2457 }
2458 swl_idx++;
2459 }
2460 } else {
2461 /* Send GA_NXT to the switch */
2462 rval = qla2x00_ga_nxt(ha, new_fcport);
2463 if (rval != QLA_SUCCESS) {
2464 qla_printk(KERN_WARNING, ha,
2465 "SNS scan failed -- assuming zero-entry "
2466 "result...\n");
2467 list_for_each_entry_safe(fcport, fcptemp,
2468 new_fcports, list) {
2469 list_del(&fcport->list);
2470 kfree(fcport);
2471 }
2472 rval = QLA_SUCCESS;
2473 break;
2474 }
2475 }
2476
2477 /* If wrap on switch device list, exit. */
2478 if (first_dev) {
2479 wrap.b24 = new_fcport->d_id.b24;
2480 first_dev = 0;
2481 } else if (new_fcport->d_id.b24 == wrap.b24) {
2482 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2483 ha->host_no, new_fcport->d_id.b.domain,
2484 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2485 break;
2486 }
2487
2488 /* Bypass if host adapter. */
2489 if (new_fcport->d_id.b24 == ha->d_id.b24)
2490 continue;
2491
2492 /* Bypass if same domain and area of adapter. */
2493 if (((new_fcport->d_id.b24 & 0xffff00) ==
2494 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2495 ISP_CFG_FL)
2496 continue;
2497
2498 /* Bypass reserved domain fields. */
2499 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2500 continue;
2501
2502 /* Locate matching device in database. */
2503 found = 0;
2504 list_for_each_entry(fcport, &ha->fcports, list) {
2505 if (memcmp(new_fcport->port_name, fcport->port_name,
2506 WWN_SIZE))
2507 continue;
2508
2509 found++;
2510
2511 /* Update port state. */
2512 memcpy(fcport->fabric_port_name,
2513 new_fcport->fabric_port_name, WWN_SIZE);
2514 fcport->fp_speed = new_fcport->fp_speed;
2515
2516 /*
2517 * If address the same and state FCS_ONLINE, nothing
2518 * changed.
2519 */
2520 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2521 atomic_read(&fcport->state) == FCS_ONLINE) {
2522 break;
2523 }
2524
2525 /*
2526 * If device was not a fabric device before.
2527 */
2528 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2529 fcport->d_id.b24 = new_fcport->d_id.b24;
2530 fcport->loop_id = FC_NO_LOOP_ID;
2531 fcport->flags |= (FCF_FABRIC_DEVICE |
2532 FCF_LOGIN_NEEDED);
2533 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2534 break;
2535 }
2536
2537 /*
2538 * Port ID changed or device was marked to be updated;
2539 * Log it out if still logged in and mark it for
2540 * relogin later.
2541 */
2542 fcport->d_id.b24 = new_fcport->d_id.b24;
2543 fcport->flags |= FCF_LOGIN_NEEDED;
2544 if (fcport->loop_id != FC_NO_LOOP_ID &&
2545 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2546 fcport->port_type != FCT_INITIATOR &&
2547 fcport->port_type != FCT_BROADCAST) {
2548 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2549 fcport->d_id.b.domain, fcport->d_id.b.area,
2550 fcport->d_id.b.al_pa);
2551 fcport->loop_id = FC_NO_LOOP_ID;
2552 }
2553
2554 break;
2555 }
2556
2557 if (found)
2558 continue;
2559
2560 /* If device was not in our fcports list, then add it. */
2561 list_add_tail(&new_fcport->list, new_fcports);
2562
2563 /* Allocate a new replacement fcport. */
2564 nxt_d_id.b24 = new_fcport->d_id.b24;
2565 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2566 if (new_fcport == NULL) {
2567 kfree(swl);
2568 return (QLA_MEMORY_ALLOC_FAILED);
2569 }
2570 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2571 new_fcport->d_id.b24 = nxt_d_id.b24;
2572 }
2573
2574 kfree(swl);
2575 kfree(new_fcport);
2576
2577 if (!list_empty(new_fcports))
2578 ha->device_flags |= DFLG_FABRIC_DEVICES;
2579
2580 return (rval);
2581 }
2582
2583 /*
2584 * qla2x00_find_new_loop_id
2585 * Scan through our port list and find a new usable loop ID.
2586 *
2587 * Input:
2588 * ha: adapter state pointer.
2589 * dev: port structure pointer.
2590 *
2591 * Returns:
2592 * qla2x00 local function return status code.
2593 *
2594 * Context:
2595 * Kernel context.
2596 */
2597 static int
2598 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2599 {
2600 int rval;
2601 int found;
2602 fc_port_t *fcport;
2603 uint16_t first_loop_id;
2604
2605 rval = QLA_SUCCESS;
2606
2607 /* Save starting loop ID. */
2608 first_loop_id = dev->loop_id;
2609
2610 for (;;) {
2611 /* Skip loop ID if already used by adapter. */
2612 if (dev->loop_id == ha->loop_id) {
2613 dev->loop_id++;
2614 }
2615
2616 /* Skip reserved loop IDs. */
2617 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2618 dev->loop_id++;
2619 }
2620
2621 /* Reset loop ID if passed the end. */
2622 if (dev->loop_id > ha->last_loop_id) {
2623 /* first loop ID. */
2624 dev->loop_id = ha->min_external_loopid;
2625 }
2626
2627 /* Check for loop ID being already in use. */
2628 found = 0;
2629 fcport = NULL;
2630 list_for_each_entry(fcport, &ha->fcports, list) {
2631 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2632 /* ID possibly in use */
2633 found++;
2634 break;
2635 }
2636 }
2637
2638 /* If not in use then it is free to use. */
2639 if (!found) {
2640 break;
2641 }
2642
2643 /* ID in use. Try next value. */
2644 dev->loop_id++;
2645
2646 /* If wrap around. No free ID to use. */
2647 if (dev->loop_id == first_loop_id) {
2648 dev->loop_id = FC_NO_LOOP_ID;
2649 rval = QLA_FUNCTION_FAILED;
2650 break;
2651 }
2652 }
2653
2654 return (rval);
2655 }
2656
2657 /*
2658 * qla2x00_device_resync
2659 * Marks devices in the database that needs resynchronization.
2660 *
2661 * Input:
2662 * ha = adapter block pointer.
2663 *
2664 * Context:
2665 * Kernel context.
2666 */
2667 static int
2668 qla2x00_device_resync(scsi_qla_host_t *ha)
2669 {
2670 int rval;
2671 uint32_t mask;
2672 fc_port_t *fcport;
2673 uint32_t rscn_entry;
2674 uint8_t rscn_out_iter;
2675 uint8_t format;
2676 port_id_t d_id;
2677
2678 rval = QLA_RSCNS_HANDLED;
2679
2680 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2681 ha->flags.rscn_queue_overflow) {
2682
2683 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2684 format = MSB(MSW(rscn_entry));
2685 d_id.b.domain = LSB(MSW(rscn_entry));
2686 d_id.b.area = MSB(LSW(rscn_entry));
2687 d_id.b.al_pa = LSB(LSW(rscn_entry));
2688
2689 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2690 "[%02x/%02x%02x%02x].\n",
2691 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2692 d_id.b.area, d_id.b.al_pa));
2693
2694 ha->rscn_out_ptr++;
2695 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2696 ha->rscn_out_ptr = 0;
2697
2698 /* Skip duplicate entries. */
2699 for (rscn_out_iter = ha->rscn_out_ptr;
2700 !ha->flags.rscn_queue_overflow &&
2701 rscn_out_iter != ha->rscn_in_ptr;
2702 rscn_out_iter = (rscn_out_iter ==
2703 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2704
2705 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2706 break;
2707
2708 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2709 "entry found at [%d].\n", ha->host_no,
2710 rscn_out_iter));
2711
2712 ha->rscn_out_ptr = rscn_out_iter;
2713 }
2714
2715 /* Queue overflow, set switch default case. */
2716 if (ha->flags.rscn_queue_overflow) {
2717 DEBUG(printk("scsi(%ld): device_resync: rscn "
2718 "overflow.\n", ha->host_no));
2719
2720 format = 3;
2721 ha->flags.rscn_queue_overflow = 0;
2722 }
2723
2724 switch (format) {
2725 case 0:
2726 mask = 0xffffff;
2727 break;
2728 case 1:
2729 mask = 0xffff00;
2730 break;
2731 case 2:
2732 mask = 0xff0000;
2733 break;
2734 default:
2735 mask = 0x0;
2736 d_id.b24 = 0;
2737 ha->rscn_out_ptr = ha->rscn_in_ptr;
2738 break;
2739 }
2740
2741 rval = QLA_SUCCESS;
2742
2743 list_for_each_entry(fcport, &ha->fcports, list) {
2744 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2745 (fcport->d_id.b24 & mask) != d_id.b24 ||
2746 fcport->port_type == FCT_BROADCAST)
2747 continue;
2748
2749 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2750 if (format != 3 ||
2751 fcport->port_type != FCT_INITIATOR) {
2752 qla2x00_mark_device_lost(ha, fcport,
2753 0, 0);
2754 }
2755 }
2756 fcport->flags &= ~FCF_FARP_DONE;
2757 }
2758 }
2759 return (rval);
2760 }
2761
2762 /*
2763 * qla2x00_fabric_dev_login
2764 * Login fabric target device and update FC port database.
2765 *
2766 * Input:
2767 * ha: adapter state pointer.
2768 * fcport: port structure list pointer.
2769 * next_loopid: contains value of a new loop ID that can be used
2770 * by the next login attempt.
2771 *
2772 * Returns:
2773 * qla2x00 local function return status code.
2774 *
2775 * Context:
2776 * Kernel context.
2777 */
2778 static int
2779 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2780 uint16_t *next_loopid)
2781 {
2782 int rval;
2783 int retry;
2784 uint8_t opts;
2785
2786 rval = QLA_SUCCESS;
2787 retry = 0;
2788
2789 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2790 if (rval == QLA_SUCCESS) {
2791 /* Send an ADISC to tape devices.*/
2792 opts = 0;
2793 if (fcport->flags & FCF_TAPE_PRESENT)
2794 opts |= BIT_1;
2795 rval = qla2x00_get_port_database(ha, fcport, opts);
2796 if (rval != QLA_SUCCESS) {
2797 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2798 fcport->d_id.b.domain, fcport->d_id.b.area,
2799 fcport->d_id.b.al_pa);
2800 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2801 } else {
2802 qla2x00_update_fcport(ha, fcport);
2803 }
2804 }
2805
2806 return (rval);
2807 }
2808
2809 /*
2810 * qla2x00_fabric_login
2811 * Issue fabric login command.
2812 *
2813 * Input:
2814 * ha = adapter block pointer.
2815 * device = pointer to FC device type structure.
2816 *
2817 * Returns:
2818 * 0 - Login successfully
2819 * 1 - Login failed
2820 * 2 - Initiator device
2821 * 3 - Fatal error
2822 */
2823 int
2824 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2825 uint16_t *next_loopid)
2826 {
2827 int rval;
2828 int retry;
2829 uint16_t tmp_loopid;
2830 uint16_t mb[MAILBOX_REGISTER_COUNT];
2831
2832 retry = 0;
2833 tmp_loopid = 0;
2834
2835 for (;;) {
2836 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2837 "for port %02x%02x%02x.\n",
2838 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2839 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2840
2841 /* Login fcport on switch. */
2842 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2843 fcport->d_id.b.domain, fcport->d_id.b.area,
2844 fcport->d_id.b.al_pa, mb, BIT_0);
2845 if (mb[0] == MBS_PORT_ID_USED) {
2846 /*
2847 * Device has another loop ID. The firmware team
2848 * recommends the driver perform an implicit login with
2849 * the specified ID again. The ID we just used is save
2850 * here so we return with an ID that can be tried by
2851 * the next login.
2852 */
2853 retry++;
2854 tmp_loopid = fcport->loop_id;
2855 fcport->loop_id = mb[1];
2856
2857 DEBUG(printk("Fabric Login: port in use - next "
2858 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2859 fcport->loop_id, fcport->d_id.b.domain,
2860 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2861
2862 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2863 /*
2864 * Login succeeded.
2865 */
2866 if (retry) {
2867 /* A retry occurred before. */
2868 *next_loopid = tmp_loopid;
2869 } else {
2870 /*
2871 * No retry occurred before. Just increment the
2872 * ID value for next login.
2873 */
2874 *next_loopid = (fcport->loop_id + 1);
2875 }
2876
2877 if (mb[1] & BIT_0) {
2878 fcport->port_type = FCT_INITIATOR;
2879 } else {
2880 fcport->port_type = FCT_TARGET;
2881 if (mb[1] & BIT_1) {
2882 fcport->flags |= FCF_TAPE_PRESENT;
2883 }
2884 }
2885
2886 if (mb[10] & BIT_0)
2887 fcport->supported_classes |= FC_COS_CLASS2;
2888 if (mb[10] & BIT_1)
2889 fcport->supported_classes |= FC_COS_CLASS3;
2890
2891 rval = QLA_SUCCESS;
2892 break;
2893 } else if (mb[0] == MBS_LOOP_ID_USED) {
2894 /*
2895 * Loop ID already used, try next loop ID.
2896 */
2897 fcport->loop_id++;
2898 rval = qla2x00_find_new_loop_id(ha, fcport);
2899 if (rval != QLA_SUCCESS) {
2900 /* Ran out of loop IDs to use */
2901 break;
2902 }
2903 } else if (mb[0] == MBS_COMMAND_ERROR) {
2904 /*
2905 * Firmware possibly timed out during login. If NO
2906 * retries are left to do then the device is declared
2907 * dead.
2908 */
2909 *next_loopid = fcport->loop_id;
2910 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2911 fcport->d_id.b.domain, fcport->d_id.b.area,
2912 fcport->d_id.b.al_pa);
2913 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2914
2915 rval = 1;
2916 break;
2917 } else {
2918 /*
2919 * unrecoverable / not handled error
2920 */
2921 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2922 "loop_id=%x jiffies=%lx.\n",
2923 __func__, ha->host_no, mb[0],
2924 fcport->d_id.b.domain, fcport->d_id.b.area,
2925 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2926
2927 *next_loopid = fcport->loop_id;
2928 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2929 fcport->d_id.b.domain, fcport->d_id.b.area,
2930 fcport->d_id.b.al_pa);
2931 fcport->loop_id = FC_NO_LOOP_ID;
2932 fcport->login_retry = 0;
2933
2934 rval = 3;
2935 break;
2936 }
2937 }
2938
2939 return (rval);
2940 }
2941
2942 /*
2943 * qla2x00_local_device_login
2944 * Issue local device login command.
2945 *
2946 * Input:
2947 * ha = adapter block pointer.
2948 * loop_id = loop id of device to login to.
2949 *
2950 * Returns (Where's the #define!!!!):
2951 * 0 - Login successfully
2952 * 1 - Login failed
2953 * 3 - Fatal error
2954 */
2955 int
2956 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
2957 {
2958 int rval;
2959 uint16_t mb[MAILBOX_REGISTER_COUNT];
2960
2961 memset(mb, 0, sizeof(mb));
2962 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
2963 if (rval == QLA_SUCCESS) {
2964 /* Interrogate mailbox registers for any errors */
2965 if (mb[0] == MBS_COMMAND_ERROR)
2966 rval = 1;
2967 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2968 /* device not in PCB table */
2969 rval = 3;
2970 }
2971
2972 return (rval);
2973 }
2974
2975 /*
2976 * qla2x00_loop_resync
2977 * Resync with fibre channel devices.
2978 *
2979 * Input:
2980 * ha = adapter block pointer.
2981 *
2982 * Returns:
2983 * 0 = success
2984 */
2985 int
2986 qla2x00_loop_resync(scsi_qla_host_t *ha)
2987 {
2988 int rval;
2989 uint32_t wait_time;
2990
2991 rval = QLA_SUCCESS;
2992
2993 atomic_set(&ha->loop_state, LOOP_UPDATE);
2994 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2995 if (ha->flags.online) {
2996 if (!(rval = qla2x00_fw_ready(ha))) {
2997 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2998 wait_time = 256;
2999 do {
3000 atomic_set(&ha->loop_state, LOOP_UPDATE);
3001
3002 /* Issue a marker after FW becomes ready. */
3003 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3004 ha->marker_needed = 0;
3005
3006 /* Remap devices on Loop. */
3007 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3008
3009 qla2x00_configure_loop(ha);
3010 wait_time--;
3011 } while (!atomic_read(&ha->loop_down_timer) &&
3012 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3013 wait_time &&
3014 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3015 }
3016 }
3017
3018 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3019 return (QLA_FUNCTION_FAILED);
3020 }
3021
3022 if (rval) {
3023 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3024 }
3025
3026 return (rval);
3027 }
3028
3029 void
3030 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3031 {
3032 int rescan_done;
3033 fc_port_t *fcport;
3034
3035 rescan_done = 0;
3036 list_for_each_entry(fcport, &ha->fcports, list) {
3037 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3038 continue;
3039
3040 qla2x00_update_fcport(ha, fcport);
3041 fcport->flags &= ~FCF_RESCAN_NEEDED;
3042
3043 rescan_done = 1;
3044 }
3045 qla2x00_probe_for_all_luns(ha);
3046 }
3047
3048 void
3049 qla2x00_update_fcports(scsi_qla_host_t *ha)
3050 {
3051 fc_port_t *fcport;
3052
3053 /* Go with deferred removal of rport references. */
3054 list_for_each_entry(fcport, &ha->fcports, list)
3055 if (fcport->drport)
3056 qla2x00_rport_del(fcport);
3057 }
3058
3059 /*
3060 * qla2x00_abort_isp
3061 * Resets ISP and aborts all outstanding commands.
3062 *
3063 * Input:
3064 * ha = adapter block pointer.
3065 *
3066 * Returns:
3067 * 0 = success
3068 */
3069 int
3070 qla2x00_abort_isp(scsi_qla_host_t *ha)
3071 {
3072 int rval;
3073 unsigned long flags = 0;
3074 uint16_t cnt;
3075 srb_t *sp;
3076 uint8_t status = 0;
3077
3078 if (ha->flags.online) {
3079 ha->flags.online = 0;
3080 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3081
3082 qla_printk(KERN_INFO, ha,
3083 "Performing ISP error recovery - ha= %p.\n", ha);
3084 ha->isp_ops.reset_chip(ha);
3085
3086 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3087 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3088 atomic_set(&ha->loop_state, LOOP_DOWN);
3089 qla2x00_mark_all_devices_lost(ha, 0);
3090 } else {
3091 if (!atomic_read(&ha->loop_down_timer))
3092 atomic_set(&ha->loop_down_timer,
3093 LOOP_DOWN_TIME);
3094 }
3095
3096 spin_lock_irqsave(&ha->hardware_lock, flags);
3097 /* Requeue all commands in outstanding command list. */
3098 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3099 sp = ha->outstanding_cmds[cnt];
3100 if (sp) {
3101 ha->outstanding_cmds[cnt] = NULL;
3102 sp->flags = 0;
3103 sp->cmd->result = DID_RESET << 16;
3104 sp->cmd->host_scribble = (unsigned char *)NULL;
3105 qla2x00_sp_compl(ha, sp);
3106 }
3107 }
3108 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3109
3110 ha->isp_ops.nvram_config(ha);
3111
3112 if (!qla2x00_restart_isp(ha)) {
3113 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3114
3115 if (!atomic_read(&ha->loop_down_timer)) {
3116 /*
3117 * Issue marker command only when we are going
3118 * to start the I/O .
3119 */
3120 ha->marker_needed = 1;
3121 }
3122
3123 ha->flags.online = 1;
3124
3125 ha->isp_ops.enable_intrs(ha);
3126
3127 ha->isp_abort_cnt = 0;
3128 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3129
3130 if (ha->eft) {
3131 rval = qla2x00_trace_control(ha, TC_ENABLE,
3132 ha->eft_dma, EFT_NUM_BUFFERS);
3133 if (rval) {
3134 qla_printk(KERN_WARNING, ha,
3135 "Unable to reinitialize EFT "
3136 "(%d).\n", rval);
3137 }
3138 }
3139 } else { /* failed the ISP abort */
3140 ha->flags.online = 1;
3141 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3142 if (ha->isp_abort_cnt == 0) {
3143 qla_printk(KERN_WARNING, ha,
3144 "ISP error recovery failed - "
3145 "board disabled\n");
3146 /*
3147 * The next call disables the board
3148 * completely.
3149 */
3150 ha->isp_ops.reset_adapter(ha);
3151 ha->flags.online = 0;
3152 clear_bit(ISP_ABORT_RETRY,
3153 &ha->dpc_flags);
3154 status = 0;
3155 } else { /* schedule another ISP abort */
3156 ha->isp_abort_cnt--;
3157 DEBUG(printk("qla%ld: ISP abort - "
3158 "retry remaining %d\n",
3159 ha->host_no, ha->isp_abort_cnt));
3160 status = 1;
3161 }
3162 } else {
3163 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3164 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3165 "- retrying (%d) more times\n",
3166 ha->host_no, ha->isp_abort_cnt));
3167 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3168 status = 1;
3169 }
3170 }
3171
3172 }
3173
3174 if (status) {
3175 qla_printk(KERN_INFO, ha,
3176 "qla2x00_abort_isp: **** FAILED ****\n");
3177 } else {
3178 DEBUG(printk(KERN_INFO
3179 "qla2x00_abort_isp(%ld): exiting.\n",
3180 ha->host_no));
3181 }
3182
3183 return(status);
3184 }
3185
3186 /*
3187 * qla2x00_restart_isp
3188 * restarts the ISP after a reset
3189 *
3190 * Input:
3191 * ha = adapter block pointer.
3192 *
3193 * Returns:
3194 * 0 = success
3195 */
3196 static int
3197 qla2x00_restart_isp(scsi_qla_host_t *ha)
3198 {
3199 uint8_t status = 0;
3200 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3201 unsigned long flags = 0;
3202 uint32_t wait_time;
3203
3204 /* If firmware needs to be loaded */
3205 if (qla2x00_isp_firmware(ha)) {
3206 ha->flags.online = 0;
3207 if (!(status = ha->isp_ops.chip_diag(ha))) {
3208 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3209 status = qla2x00_setup_chip(ha);
3210 goto done;
3211 }
3212
3213 spin_lock_irqsave(&ha->hardware_lock, flags);
3214
3215 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3216 /*
3217 * Disable SRAM, Instruction RAM and GP RAM
3218 * parity.
3219 */
3220 WRT_REG_WORD(&reg->hccr,
3221 (HCCR_ENABLE_PARITY + 0x0));
3222 RD_REG_WORD(&reg->hccr);
3223 }
3224
3225 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3226
3227 status = qla2x00_setup_chip(ha);
3228
3229 spin_lock_irqsave(&ha->hardware_lock, flags);
3230
3231 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3232 /* Enable proper parity */
3233 if (IS_QLA2300(ha))
3234 /* SRAM parity */
3235 WRT_REG_WORD(&reg->hccr,
3236 (HCCR_ENABLE_PARITY + 0x1));
3237 else
3238 /*
3239 * SRAM, Instruction RAM and GP RAM
3240 * parity.
3241 */
3242 WRT_REG_WORD(&reg->hccr,
3243 (HCCR_ENABLE_PARITY + 0x7));
3244 RD_REG_WORD(&reg->hccr);
3245 }
3246
3247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3248 }
3249 }
3250
3251 done:
3252 if (!status && !(status = qla2x00_init_rings(ha))) {
3253 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3254 if (!(status = qla2x00_fw_ready(ha))) {
3255 DEBUG(printk("%s(): Start configure loop, "
3256 "status = %d\n", __func__, status));
3257
3258 /* Issue a marker after FW becomes ready. */
3259 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3260
3261 ha->flags.online = 1;
3262 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3263 wait_time = 256;
3264 do {
3265 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3266 qla2x00_configure_loop(ha);
3267 wait_time--;
3268 } while (!atomic_read(&ha->loop_down_timer) &&
3269 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3270 wait_time &&
3271 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3272 }
3273
3274 /* if no cable then assume it's good */
3275 if ((ha->device_flags & DFLG_NO_CABLE))
3276 status = 0;
3277
3278 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3279 __func__,
3280 status));
3281 }
3282 return (status);
3283 }
3284
3285 /*
3286 * qla2x00_reset_adapter
3287 * Reset adapter.
3288 *
3289 * Input:
3290 * ha = adapter block pointer.
3291 */
3292 void
3293 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3294 {
3295 unsigned long flags = 0;
3296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3297
3298 ha->flags.online = 0;
3299 ha->isp_ops.disable_intrs(ha);
3300
3301 spin_lock_irqsave(&ha->hardware_lock, flags);
3302 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3303 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3304 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3305 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3306 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3307 }
3308
3309 void
3310 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3311 {
3312 unsigned long flags = 0;
3313 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3314
3315 ha->flags.online = 0;
3316 ha->isp_ops.disable_intrs(ha);
3317
3318 spin_lock_irqsave(&ha->hardware_lock, flags);
3319 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3320 RD_REG_DWORD(&reg->hccr);
3321 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3322 RD_REG_DWORD(&reg->hccr);
3323 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3324 }
3325
3326 int
3327 qla24xx_nvram_config(scsi_qla_host_t *ha)
3328 {
3329 int rval;
3330 struct init_cb_24xx *icb;
3331 struct nvram_24xx *nv;
3332 uint32_t *dptr;
3333 uint8_t *dptr1, *dptr2;
3334 uint32_t chksum;
3335 uint16_t cnt;
3336
3337 rval = QLA_SUCCESS;
3338 icb = (struct init_cb_24xx *)ha->init_cb;
3339 nv = (struct nvram_24xx *)ha->request_ring;
3340
3341 /* Determine NVRAM starting address. */
3342 ha->nvram_size = sizeof(struct nvram_24xx);
3343 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3344 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3345 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3346 if (PCI_FUNC(ha->pdev->devfn)) {
3347 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3348 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3349 }
3350
3351 /* Get NVRAM data and calculate checksum. */
3352 dptr = (uint32_t *)nv;
3353 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3354 ha->nvram_size);
3355 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3356 chksum += le32_to_cpu(*dptr++);
3357
3358 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3359 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3360 ha->nvram_size));
3361
3362 /* Bad NVRAM data, set defaults parameters. */
3363 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3364 || nv->id[3] != ' ' ||
3365 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3366 /* Reset NVRAM data. */
3367 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3368 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3369 le16_to_cpu(nv->nvram_version));
3370 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3371 "invalid -- WWPN) defaults.\n");
3372
3373 /*
3374 * Set default initialization control block.
3375 */
3376 memset(nv, 0, ha->nvram_size);
3377 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3378 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3379 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3380 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3381 nv->exchange_count = __constant_cpu_to_le16(0);
3382 nv->hard_address = __constant_cpu_to_le16(124);
3383 nv->port_name[0] = 0x21;
3384 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3385 nv->port_name[2] = 0x00;
3386 nv->port_name[3] = 0xe0;
3387 nv->port_name[4] = 0x8b;
3388 nv->port_name[5] = 0x1c;
3389 nv->port_name[6] = 0x55;
3390 nv->port_name[7] = 0x86;
3391 nv->node_name[0] = 0x20;
3392 nv->node_name[1] = 0x00;
3393 nv->node_name[2] = 0x00;
3394 nv->node_name[3] = 0xe0;
3395 nv->node_name[4] = 0x8b;
3396 nv->node_name[5] = 0x1c;
3397 nv->node_name[6] = 0x55;
3398 nv->node_name[7] = 0x86;
3399 nv->login_retry_count = __constant_cpu_to_le16(8);
3400 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3401 nv->login_timeout = __constant_cpu_to_le16(0);
3402 nv->firmware_options_1 =
3403 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3404 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3405 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3406 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3407 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3408 nv->efi_parameters = __constant_cpu_to_le32(0);
3409 nv->reset_delay = 5;
3410 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3411 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3412 nv->link_down_timeout = __constant_cpu_to_le16(30);
3413
3414 rval = 1;
3415 }
3416
3417 /* Reset Initialization control block */
3418 memset(icb, 0, sizeof(struct init_cb_24xx));
3419
3420 /* Copy 1st segment. */
3421 dptr1 = (uint8_t *)icb;
3422 dptr2 = (uint8_t *)&nv->version;
3423 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3424 while (cnt--)
3425 *dptr1++ = *dptr2++;
3426
3427 icb->login_retry_count = nv->login_retry_count;
3428 icb->link_down_on_nos = nv->link_down_on_nos;
3429
3430 /* Copy 2nd segment. */
3431 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3432 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3433 cnt = (uint8_t *)&icb->reserved_3 -
3434 (uint8_t *)&icb->interrupt_delay_timer;
3435 while (cnt--)
3436 *dptr1++ = *dptr2++;
3437
3438 /*
3439 * Setup driver NVRAM options.
3440 */
3441 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3442 char *st, *en;
3443 uint16_t index;
3444
3445 strncpy(ha->model_number, nv->model_name,
3446 sizeof(nv->model_name));
3447 st = en = ha->model_number;
3448 en += sizeof(nv->model_name) - 1;
3449 while (en > st) {
3450 if (*en != 0x20 && *en != 0x00)
3451 break;
3452 *en-- = '\0';
3453 }
3454
3455 index = (ha->pdev->subsystem_device & 0xff);
3456 if (index < QLA_MODEL_NAMES)
3457 ha->model_desc = qla2x00_model_name[index * 2 + 1];
3458 } else
3459 strcpy(ha->model_number, "QLA2462");
3460
3461 /* Use alternate WWN? */
3462 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3463 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3464 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3465 }
3466
3467 /* Prepare nodename */
3468 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3469 /*
3470 * Firmware will apply the following mask if the nodename was
3471 * not provided.
3472 */
3473 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3474 icb->node_name[0] &= 0xF0;
3475 }
3476
3477 /* Set host adapter parameters. */
3478 ha->flags.disable_risc_code_load = 0;
3479 ha->flags.enable_lip_reset = 0;
3480 ha->flags.enable_lip_full_login =
3481 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3482 ha->flags.enable_target_reset =
3483 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3484 ha->flags.enable_led_scheme = 0;
3485 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3486
3487 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3488 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3489
3490 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3491 sizeof(ha->fw_seriallink_options24));
3492
3493 /* save HBA serial number */
3494 ha->serial0 = icb->port_name[5];
3495 ha->serial1 = icb->port_name[6];
3496 ha->serial2 = icb->port_name[7];
3497 ha->node_name = icb->node_name;
3498 ha->port_name = icb->port_name;
3499
3500 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3501
3502 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3503
3504 /* Set minimum login_timeout to 4 seconds. */
3505 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3506 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3507 if (le16_to_cpu(nv->login_timeout) < 4)
3508 nv->login_timeout = __constant_cpu_to_le16(4);
3509 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3510 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3511
3512 /* Set minimum RATOV to 200 tenths of a second. */
3513 ha->r_a_tov = 200;
3514
3515 ha->loop_reset_delay = nv->reset_delay;
3516
3517 /* Link Down Timeout = 0:
3518 *
3519 * When Port Down timer expires we will start returning
3520 * I/O's to OS with "DID_NO_CONNECT".
3521 *
3522 * Link Down Timeout != 0:
3523 *
3524 * The driver waits for the link to come up after link down
3525 * before returning I/Os to OS with "DID_NO_CONNECT".
3526 */
3527 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3528 ha->loop_down_abort_time =
3529 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3530 } else {
3531 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3532 ha->loop_down_abort_time =
3533 (LOOP_DOWN_TIME - ha->link_down_timeout);
3534 }
3535
3536 /* Need enough time to try and get the port back. */
3537 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3538 if (qlport_down_retry)
3539 ha->port_down_retry_count = qlport_down_retry;
3540
3541 /* Set login_retry_count */
3542 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3543 if (ha->port_down_retry_count ==
3544 le16_to_cpu(nv->port_down_retry_count) &&
3545 ha->port_down_retry_count > 3)
3546 ha->login_retry_count = ha->port_down_retry_count;
3547 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3548 ha->login_retry_count = ha->port_down_retry_count;
3549 if (ql2xloginretrycount)
3550 ha->login_retry_count = ql2xloginretrycount;
3551
3552 /* Enable ZIO. */
3553 if (!ha->flags.init_done) {
3554 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3555 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3556 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3557 le16_to_cpu(icb->interrupt_delay_timer): 2;
3558 }
3559 icb->firmware_options_2 &= __constant_cpu_to_le32(
3560 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3561 ha->flags.process_response_queue = 0;
3562 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3563 ha->zio_mode = QLA_ZIO_MODE_6;
3564
3565 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3566 "(%d us).\n", ha->host_no, ha->zio_mode,
3567 ha->zio_timer * 100));
3568 qla_printk(KERN_INFO, ha,
3569 "ZIO mode %d enabled; timer delay (%d us).\n",
3570 ha->zio_mode, ha->zio_timer * 100);
3571
3572 icb->firmware_options_2 |= cpu_to_le32(
3573 (uint32_t)ha->zio_mode);
3574 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3575 ha->flags.process_response_queue = 1;
3576 }
3577
3578 if (rval) {
3579 DEBUG2_3(printk(KERN_WARNING
3580 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3581 }
3582 return (rval);
3583 }
3584
3585 static int
3586 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3587 {
3588 int rval;
3589 int segments, fragment;
3590 uint32_t faddr;
3591 uint32_t *dcode, dlen;
3592 uint32_t risc_addr;
3593 uint32_t risc_size;
3594 uint32_t i;
3595
3596 rval = QLA_SUCCESS;
3597
3598 segments = FA_RISC_CODE_SEGMENTS;
3599 faddr = FA_RISC_CODE_ADDR;
3600 dcode = (uint32_t *)ha->request_ring;
3601 *srisc_addr = 0;
3602
3603 /* Validate firmware image by checking version. */
3604 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3605 for (i = 0; i < 4; i++)
3606 dcode[i] = be32_to_cpu(dcode[i]);
3607 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3608 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3609 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3610 dcode[3] == 0)) {
3611 qla_printk(KERN_WARNING, ha,
3612 "Unable to verify integrity of flash firmware image!\n");
3613 qla_printk(KERN_WARNING, ha,
3614 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3615 dcode[1], dcode[2], dcode[3]);
3616
3617 return QLA_FUNCTION_FAILED;
3618 }
3619
3620 while (segments && rval == QLA_SUCCESS) {
3621 /* Read segment's load information. */
3622 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3623
3624 risc_addr = be32_to_cpu(dcode[2]);
3625 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3626 risc_size = be32_to_cpu(dcode[3]);
3627
3628 fragment = 0;
3629 while (risc_size > 0 && rval == QLA_SUCCESS) {
3630 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3631 if (dlen > risc_size)
3632 dlen = risc_size;
3633
3634 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3635 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3636 ha->host_no, risc_addr, dlen, faddr));
3637
3638 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3639 for (i = 0; i < dlen; i++)
3640 dcode[i] = swab32(dcode[i]);
3641
3642 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3643 dlen);
3644 if (rval) {
3645 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3646 "segment %d of firmware\n", ha->host_no,
3647 fragment));
3648 qla_printk(KERN_WARNING, ha,
3649 "[ERROR] Failed to load segment %d of "
3650 "firmware\n", fragment);
3651 break;
3652 }
3653
3654 faddr += dlen;
3655 risc_addr += dlen;
3656 risc_size -= dlen;
3657 fragment++;
3658 }
3659
3660 /* Next segment. */
3661 segments--;
3662 }
3663
3664 return rval;
3665 }
3666
3667 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3668
3669 int
3670 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3671 {
3672 int rval;
3673 int i, fragment;
3674 uint16_t *wcode, *fwcode;
3675 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3676 struct fw_blob *blob;
3677
3678 /* Load firmware blob. */
3679 blob = qla2x00_request_firmware(ha);
3680 if (!blob) {
3681 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3682 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3683 "from: " QLA_FW_URL ".\n");
3684 return QLA_FUNCTION_FAILED;
3685 }
3686
3687 rval = QLA_SUCCESS;
3688
3689 wcode = (uint16_t *)ha->request_ring;
3690 *srisc_addr = 0;
3691 fwcode = (uint16_t *)blob->fw->data;
3692 fwclen = 0;
3693
3694 /* Validate firmware image by checking version. */
3695 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3696 qla_printk(KERN_WARNING, ha,
3697 "Unable to verify integrity of firmware image (%Zd)!\n",
3698 blob->fw->size);
3699 goto fail_fw_integrity;
3700 }
3701 for (i = 0; i < 4; i++)
3702 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3703 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3704 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3705 wcode[2] == 0 && wcode[3] == 0)) {
3706 qla_printk(KERN_WARNING, ha,
3707 "Unable to verify integrity of firmware image!\n");
3708 qla_printk(KERN_WARNING, ha,
3709 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3710 wcode[1], wcode[2], wcode[3]);
3711 goto fail_fw_integrity;
3712 }
3713
3714 seg = blob->segs;
3715 while (*seg && rval == QLA_SUCCESS) {
3716 risc_addr = *seg;
3717 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3718 risc_size = be16_to_cpu(fwcode[3]);
3719
3720 /* Validate firmware image size. */
3721 fwclen += risc_size * sizeof(uint16_t);
3722 if (blob->fw->size < fwclen) {
3723 qla_printk(KERN_WARNING, ha,
3724 "Unable to verify integrity of firmware image "
3725 "(%Zd)!\n", blob->fw->size);
3726 goto fail_fw_integrity;
3727 }
3728
3729 fragment = 0;
3730 while (risc_size > 0 && rval == QLA_SUCCESS) {
3731 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3732 if (wlen > risc_size)
3733 wlen = risc_size;
3734
3735 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3736 "addr %x, number of words 0x%x.\n", ha->host_no,
3737 risc_addr, wlen));
3738
3739 for (i = 0; i < wlen; i++)
3740 wcode[i] = swab16(fwcode[i]);
3741
3742 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3743 wlen);
3744 if (rval) {
3745 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3746 "segment %d of firmware\n", ha->host_no,
3747 fragment));
3748 qla_printk(KERN_WARNING, ha,
3749 "[ERROR] Failed to load segment %d of "
3750 "firmware\n", fragment);
3751 break;
3752 }
3753
3754 fwcode += wlen;
3755 risc_addr += wlen;
3756 risc_size -= wlen;
3757 fragment++;
3758 }
3759
3760 /* Next segment. */
3761 seg++;
3762 }
3763 return rval;
3764
3765 fail_fw_integrity:
3766 return QLA_FUNCTION_FAILED;
3767 }
3768
3769 int
3770 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3771 {
3772 int rval;
3773 int segments, fragment;
3774 uint32_t *dcode, dlen;
3775 uint32_t risc_addr;
3776 uint32_t risc_size;
3777 uint32_t i;
3778 struct fw_blob *blob;
3779 uint32_t *fwcode, fwclen;
3780
3781 /* Load firmware blob. */
3782 blob = qla2x00_request_firmware(ha);
3783 if (!blob) {
3784 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3785 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3786 "from: " QLA_FW_URL ".\n");
3787
3788 /* Try to load RISC code from flash. */
3789 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3790 "outdated) firmware from flash.\n");
3791 return qla24xx_load_risc_flash(ha, srisc_addr);
3792 }
3793
3794 rval = QLA_SUCCESS;
3795
3796 segments = FA_RISC_CODE_SEGMENTS;
3797 dcode = (uint32_t *)ha->request_ring;
3798 *srisc_addr = 0;
3799 fwcode = (uint32_t *)blob->fw->data;
3800 fwclen = 0;
3801
3802 /* Validate firmware image by checking version. */
3803 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3804 qla_printk(KERN_WARNING, ha,
3805 "Unable to verify integrity of firmware image (%Zd)!\n",
3806 blob->fw->size);
3807 goto fail_fw_integrity;
3808 }
3809 for (i = 0; i < 4; i++)
3810 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3811 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3812 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3813 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3814 dcode[3] == 0)) {
3815 qla_printk(KERN_WARNING, ha,
3816 "Unable to verify integrity of firmware image!\n");
3817 qla_printk(KERN_WARNING, ha,
3818 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3819 dcode[1], dcode[2], dcode[3]);
3820 goto fail_fw_integrity;
3821 }
3822
3823 while (segments && rval == QLA_SUCCESS) {
3824 risc_addr = be32_to_cpu(fwcode[2]);
3825 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3826 risc_size = be32_to_cpu(fwcode[3]);
3827
3828 /* Validate firmware image size. */
3829 fwclen += risc_size * sizeof(uint32_t);
3830 if (blob->fw->size < fwclen) {
3831 qla_printk(KERN_WARNING, ha,
3832 "Unable to verify integrity of firmware image "
3833 "(%Zd)!\n", blob->fw->size);
3834
3835 goto fail_fw_integrity;
3836 }
3837
3838 fragment = 0;
3839 while (risc_size > 0 && rval == QLA_SUCCESS) {
3840 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3841 if (dlen > risc_size)
3842 dlen = risc_size;
3843
3844 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3845 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3846 risc_addr, dlen));
3847
3848 for (i = 0; i < dlen; i++)
3849 dcode[i] = swab32(fwcode[i]);
3850
3851 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3852 dlen);
3853 if (rval) {
3854 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3855 "segment %d of firmware\n", ha->host_no,
3856 fragment));
3857 qla_printk(KERN_WARNING, ha,
3858 "[ERROR] Failed to load segment %d of "
3859 "firmware\n", fragment);
3860 break;
3861 }
3862
3863 fwcode += dlen;
3864 risc_addr += dlen;
3865 risc_size -= dlen;
3866 fragment++;
3867 }
3868
3869 /* Next segment. */
3870 segments--;
3871 }
3872 return rval;
3873
3874 fail_fw_integrity:
3875 return QLA_FUNCTION_FAILED;
3876 }
3877
3878 void
3879 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
3880 {
3881 int ret, retries;
3882
3883 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
3884 return;
3885
3886 ret = qla2x00_stop_firmware(ha);
3887 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
3888 qla2x00_reset_chip(ha);
3889 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
3890 continue;
3891 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
3892 continue;
3893 qla_printk(KERN_INFO, ha,
3894 "Attempting retry of stop-firmware command...\n");
3895 ret = qla2x00_stop_firmware(ha);
3896 }
3897 }
Linux kernel - Deliverables
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