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[CPUFREQ] Fix the p4-clockmod N60 errata workaround.
[linux-2.6/mini2440.git] / drivers / scsi / qla2xxx / qla_init.c
blob634ee174bff2a315e95fc29dd6fc41a72145480f
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11
12 #include "qla_devtbl.h"
13
14 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15 #ifndef EXT_IS_LUN_BIT_SET
16 #define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18 #define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20 #endif
21
22 /*
23 * QLogic ISP2x00 Hardware Support Function Prototypes.
24 */
25 static int qla2x00_isp_firmware(scsi_qla_host_t *);
26 static void qla2x00_resize_request_q(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29 static int qla2x00_init_rings(scsi_qla_host_t *);
30 static int qla2x00_fw_ready(scsi_qla_host_t *);
31 static int qla2x00_configure_hba(scsi_qla_host_t *);
32 static int qla2x00_configure_loop(scsi_qla_host_t *);
33 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
34 static int qla2x00_configure_fabric(scsi_qla_host_t *);
35 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36 static int qla2x00_device_resync(scsi_qla_host_t *);
37 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
39
40 static int qla2x00_restart_isp(scsi_qla_host_t *);
41
42 /****************************************************************************/
43 /* QLogic ISP2x00 Hardware Support Functions. */
44 /****************************************************************************/
45
46 /*
47 * qla2x00_initialize_adapter
48 * Initialize board.
49 *
50 * Input:
51 * ha = adapter block pointer.
52 *
53 * Returns:
54 * 0 = success
55 */
56 int
57 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
58 {
59 int rval;
60 uint8_t restart_risc = 0;
61 uint8_t retry;
62 uint32_t wait_time;
63
64 /* Clear adapter flags. */
65 ha->flags.online = 0;
66 ha->flags.reset_active = 0;
67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&ha->loop_state, LOOP_DOWN);
69 ha->device_flags = 0;
70 ha->dpc_flags = 0;
71 ha->flags.management_server_logged_in = 0;
72 ha->marker_needed = 0;
73 ha->mbx_flags = 0;
74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
77
78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
79 rval = ha->isp_ops.pci_config(ha);
80 if (rval) {
81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
82 ha->host_no));
83 return (rval);
84 }
85
86 ha->isp_ops.reset_chip(ha);
87
88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
89
90 ha->isp_ops.nvram_config(ha);
91
92 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
93
94 retry = 10;
95 /*
96 * Try to configure the loop.
97 */
98 do {
99 restart_risc = 0;
100
101 /* If firmware needs to be loaded */
102 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
103 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
104 rval = qla2x00_setup_chip(ha);
105 }
106 }
107
108 if (rval == QLA_SUCCESS &&
109 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
110 check_fw_ready_again:
111 /*
112 * Wait for a successful LIP up to a maximum
113 * of (in seconds): RISC login timeout value,
114 * RISC retry count value, and port down retry
115 * value OR a minimum of 4 seconds OR If no
116 * cable, only 5 seconds.
117 */
118 rval = qla2x00_fw_ready(ha);
119 if (rval == QLA_SUCCESS) {
120 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
121
122 /* Issue a marker after FW becomes ready. */
123 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
124
125 /*
126 * Wait at most MAX_TARGET RSCNs for a stable
127 * link.
128 */
129 wait_time = 256;
130 do {
131 clear_bit(LOOP_RESYNC_NEEDED,
132 &ha->dpc_flags);
133 rval = qla2x00_configure_loop(ha);
134
135 if (test_and_clear_bit(ISP_ABORT_NEEDED,
136 &ha->dpc_flags)) {
137 restart_risc = 1;
138 break;
139 }
140
141 /*
142 * If loop state change while we were
143 * discoverying devices then wait for
144 * LIP to complete
145 */
146
147 if (atomic_read(&ha->loop_state) !=
148 LOOP_READY && retry--) {
149 goto check_fw_ready_again;
150 }
151 wait_time--;
152 } while (!atomic_read(&ha->loop_down_timer) &&
153 retry &&
154 wait_time &&
155 (test_bit(LOOP_RESYNC_NEEDED,
156 &ha->dpc_flags)));
157
158 if (wait_time == 0)
159 rval = QLA_FUNCTION_FAILED;
160 } else if (ha->device_flags & DFLG_NO_CABLE)
161 /* If no cable, then all is good. */
162 rval = QLA_SUCCESS;
163 }
164 } while (restart_risc && retry--);
165
166 if (rval == QLA_SUCCESS) {
167 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
168 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
169 ha->marker_needed = 0;
170
171 ha->flags.online = 1;
172 } else {
173 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
174 }
175
176 return (rval);
177 }
178
179 /**
180 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
181 * @ha: HA context
182 *
183 * Returns 0 on success.
184 */
185 int
186 qla2100_pci_config(scsi_qla_host_t *ha)
187 {
188 uint16_t w, mwi;
189 uint32_t d;
190 unsigned long flags;
191 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
192
193 pci_set_master(ha->pdev);
194 mwi = 0;
195 if (pci_set_mwi(ha->pdev))
196 mwi = PCI_COMMAND_INVALIDATE;
197 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
198
199 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
200 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
201 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
202
203 /* Reset expansion ROM address decode enable */
204 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
205 d &= ~PCI_ROM_ADDRESS_ENABLE;
206 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
207
208 /* Get PCI bus information. */
209 spin_lock_irqsave(&ha->hardware_lock, flags);
210 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
211 spin_unlock_irqrestore(&ha->hardware_lock, flags);
212
213 return QLA_SUCCESS;
214 }
215
216 /**
217 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
218 * @ha: HA context
219 *
220 * Returns 0 on success.
221 */
222 int
223 qla2300_pci_config(scsi_qla_host_t *ha)
224 {
225 uint16_t w, mwi;
226 uint32_t d;
227 unsigned long flags = 0;
228 uint32_t cnt;
229 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
230
231 pci_set_master(ha->pdev);
232 mwi = 0;
233 if (pci_set_mwi(ha->pdev))
234 mwi = PCI_COMMAND_INVALIDATE;
235 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
236
237 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
238 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
239
240 if (IS_QLA2322(ha) || IS_QLA6322(ha))
241 w &= ~PCI_COMMAND_INTX_DISABLE;
242
243 /*
244 * If this is a 2300 card and not 2312, reset the
245 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
246 * the 2310 also reports itself as a 2300 so we need to get the
247 * fb revision level -- a 6 indicates it really is a 2300 and
248 * not a 2310.
249 */
250 if (IS_QLA2300(ha)) {
251 spin_lock_irqsave(&ha->hardware_lock, flags);
252
253 /* Pause RISC. */
254 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
255 for (cnt = 0; cnt < 30000; cnt++) {
256 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
257 break;
258
259 udelay(10);
260 }
261
262 /* Select FPM registers. */
263 WRT_REG_WORD(&reg->ctrl_status, 0x20);
264 RD_REG_WORD(&reg->ctrl_status);
265
266 /* Get the fb rev level */
267 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
268
269 if (ha->fb_rev == FPM_2300)
270 w &= ~PCI_COMMAND_INVALIDATE;
271
272 /* Deselect FPM registers. */
273 WRT_REG_WORD(&reg->ctrl_status, 0x0);
274 RD_REG_WORD(&reg->ctrl_status);
275
276 /* Release RISC module. */
277 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
278 for (cnt = 0; cnt < 30000; cnt++) {
279 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
280 break;
281
282 udelay(10);
283 }
284
285 spin_unlock_irqrestore(&ha->hardware_lock, flags);
286 }
287 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
288
289 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
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_WORD(&reg->ctrl_status);
299 spin_unlock_irqrestore(&ha->hardware_lock, flags);
300
301 return QLA_SUCCESS;
302 }
303
304 /**
305 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
306 * @ha: HA context
307 *
308 * Returns 0 on success.
309 */
310 int
311 qla24xx_pci_config(scsi_qla_host_t *ha)
312 {
313 uint16_t w, mwi;
314 uint32_t d;
315 unsigned long flags = 0;
316 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
317 int pcix_cmd_reg, pcie_dctl_reg;
318
319 pci_set_master(ha->pdev);
320 mwi = 0;
321 if (pci_set_mwi(ha->pdev))
322 mwi = PCI_COMMAND_INVALIDATE;
323 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
324
325 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
326 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
327 w &= ~PCI_COMMAND_INTX_DISABLE;
328 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
329
330 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
331
332 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
333 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
334 if (pcix_cmd_reg) {
335 uint16_t pcix_cmd;
336
337 pcix_cmd_reg += PCI_X_CMD;
338 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
339 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
340 pcix_cmd |= 0x0008;
341 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
342 }
343
344 /* PCIe -- adjust Maximum Read Request Size (2048). */
345 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
346 if (pcie_dctl_reg) {
347 uint16_t pcie_dctl;
348
349 pcie_dctl_reg += PCI_EXP_DEVCTL;
350 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
351 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
352 pcie_dctl |= 0x4000;
353 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
354 }
355
356 /* Reset expansion ROM address decode enable */
357 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
358 d &= ~PCI_ROM_ADDRESS_ENABLE;
359 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
360
361 /* Get PCI bus information. */
362 spin_lock_irqsave(&ha->hardware_lock, flags);
363 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
364 spin_unlock_irqrestore(&ha->hardware_lock, flags);
365
366 return QLA_SUCCESS;
367 }
368
369 /**
370 * qla2x00_isp_firmware() - Choose firmware image.
371 * @ha: HA context
372 *
373 * Returns 0 on success.
374 */
375 static int
376 qla2x00_isp_firmware(scsi_qla_host_t *ha)
377 {
378 int rval;
379
380 /* Assume loading risc code */
381 rval = QLA_FUNCTION_FAILED;
382
383 if (ha->flags.disable_risc_code_load) {
384 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
385 ha->host_no));
386 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
387
388 /* Verify checksum of loaded RISC code. */
389 rval = qla2x00_verify_checksum(ha,
390 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
391 *ha->brd_info->fw_info[0].fwstart);
392 }
393
394 if (rval) {
395 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
396 ha->host_no));
397 }
398
399 return (rval);
400 }
401
402 /**
403 * qla2x00_reset_chip() - Reset ISP chip.
404 * @ha: HA context
405 *
406 * Returns 0 on success.
407 */
408 void
409 qla2x00_reset_chip(scsi_qla_host_t *ha)
410 {
411 unsigned long flags = 0;
412 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
413 uint32_t cnt;
414 unsigned long mbx_flags = 0;
415 uint16_t cmd;
416
417 ha->isp_ops.disable_intrs(ha);
418
419 spin_lock_irqsave(&ha->hardware_lock, flags);
420
421 /* Turn off master enable */
422 cmd = 0;
423 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
424 cmd &= ~PCI_COMMAND_MASTER;
425 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
426
427 if (!IS_QLA2100(ha)) {
428 /* Pause RISC. */
429 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
430 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
431 for (cnt = 0; cnt < 30000; cnt++) {
432 if ((RD_REG_WORD(&reg->hccr) &
433 HCCR_RISC_PAUSE) != 0)
434 break;
435 udelay(100);
436 }
437 } else {
438 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
439 udelay(10);
440 }
441
442 /* Select FPM registers. */
443 WRT_REG_WORD(&reg->ctrl_status, 0x20);
444 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
445
446 /* FPM Soft Reset. */
447 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
448 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
449
450 /* Toggle Fpm Reset. */
451 if (!IS_QLA2200(ha)) {
452 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
453 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
454 }
455
456 /* Select frame buffer registers. */
457 WRT_REG_WORD(&reg->ctrl_status, 0x10);
458 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
459
460 /* Reset frame buffer FIFOs. */
461 if (IS_QLA2200(ha)) {
462 WRT_FB_CMD_REG(ha, reg, 0xa000);
463 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
464 } else {
465 WRT_FB_CMD_REG(ha, reg, 0x00fc);
466
467 /* Read back fb_cmd until zero or 3 seconds max */
468 for (cnt = 0; cnt < 3000; cnt++) {
469 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
470 break;
471 udelay(100);
472 }
473 }
474
475 /* Select RISC module registers. */
476 WRT_REG_WORD(&reg->ctrl_status, 0);
477 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
478
479 /* Reset RISC processor. */
480 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
481 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
482
483 /* Release RISC processor. */
484 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
485 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
486 }
487
488 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
489 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
490
491 /* Reset ISP chip. */
492 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
493
494 /* Wait for RISC to recover from reset. */
495 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
496 /*
497 * It is necessary to for a delay here since the card doesn't
498 * respond to PCI reads during a reset. On some architectures
499 * this will result in an MCA.
500 */
501 udelay(20);
502 for (cnt = 30000; cnt; cnt--) {
503 if ((RD_REG_WORD(&reg->ctrl_status) &
504 CSR_ISP_SOFT_RESET) == 0)
505 break;
506 udelay(100);
507 }
508 } else
509 udelay(10);
510
511 /* Reset RISC processor. */
512 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
513
514 WRT_REG_WORD(&reg->semaphore, 0);
515
516 /* Release RISC processor. */
517 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
518 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
519
520 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
521 for (cnt = 0; cnt < 30000; cnt++) {
522 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
523 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
524
525 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
526 if (!(test_bit(ABORT_ISP_ACTIVE,
527 &ha->dpc_flags)))
528 spin_unlock_irqrestore(
529 &ha->mbx_reg_lock, mbx_flags);
530 break;
531 }
532
533 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
534 spin_unlock_irqrestore(&ha->mbx_reg_lock,
535 mbx_flags);
536
537 udelay(100);
538 }
539 } else
540 udelay(100);
541
542 /* Turn on master enable */
543 cmd |= PCI_COMMAND_MASTER;
544 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
545
546 /* Disable RISC pause on FPM parity error. */
547 if (!IS_QLA2100(ha)) {
548 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
549 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
550 }
551
552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
553 }
554
555 /**
556 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
557 * @ha: HA context
558 *
559 * Returns 0 on success.
560 */
561 static inline void
562 qla24xx_reset_risc(scsi_qla_host_t *ha)
563 {
564 unsigned long flags = 0;
565 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
566 uint32_t cnt, d2;
567 uint16_t wd;
568
569 spin_lock_irqsave(&ha->hardware_lock, flags);
570
571 /* Reset RISC. */
572 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
573 for (cnt = 0; cnt < 30000; cnt++) {
574 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
575 break;
576
577 udelay(10);
578 }
579
580 WRT_REG_DWORD(&reg->ctrl_status,
581 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
582 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
583
584 udelay(100);
585 /* Wait for firmware to complete NVRAM accesses. */
586 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
587 for (cnt = 10000 ; cnt && d2; cnt--) {
588 udelay(5);
589 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
590 barrier();
591 }
592
593 /* Wait for soft-reset to complete. */
594 d2 = RD_REG_DWORD(&reg->ctrl_status);
595 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
596 udelay(5);
597 d2 = RD_REG_DWORD(&reg->ctrl_status);
598 barrier();
599 }
600
601 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
602 RD_REG_DWORD(&reg->hccr);
603
604 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
605 RD_REG_DWORD(&reg->hccr);
606
607 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
608 RD_REG_DWORD(&reg->hccr);
609
610 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
611 for (cnt = 6000000 ; cnt && d2; cnt--) {
612 udelay(5);
613 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
614 barrier();
615 }
616
617 spin_unlock_irqrestore(&ha->hardware_lock, flags);
618 }
619
620 /**
621 * qla24xx_reset_chip() - Reset ISP24xx chip.
622 * @ha: HA context
623 *
624 * Returns 0 on success.
625 */
626 void
627 qla24xx_reset_chip(scsi_qla_host_t *ha)
628 {
629 ha->isp_ops.disable_intrs(ha);
630
631 /* Perform RISC reset. */
632 qla24xx_reset_risc(ha);
633 }
634
635 /**
636 * qla2x00_chip_diag() - Test chip for proper operation.
637 * @ha: HA context
638 *
639 * Returns 0 on success.
640 */
641 int
642 qla2x00_chip_diag(scsi_qla_host_t *ha)
643 {
644 int rval;
645 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
646 unsigned long flags = 0;
647 uint16_t data;
648 uint32_t cnt;
649 uint16_t mb[5];
650
651 /* Assume a failed state */
652 rval = QLA_FUNCTION_FAILED;
653
654 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
655 ha->host_no, (u_long)&reg->flash_address));
656
657 spin_lock_irqsave(&ha->hardware_lock, flags);
658
659 /* Reset ISP chip. */
660 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
661
662 /*
663 * We need to have a delay here since the card will not respond while
664 * in reset causing an MCA on some architectures.
665 */
666 udelay(20);
667 data = qla2x00_debounce_register(&reg->ctrl_status);
668 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
669 udelay(5);
670 data = RD_REG_WORD(&reg->ctrl_status);
671 barrier();
672 }
673
674 if (!cnt)
675 goto chip_diag_failed;
676
677 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
678 ha->host_no));
679
680 /* Reset RISC processor. */
681 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
682 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
683
684 /* Workaround for QLA2312 PCI parity error */
685 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
686 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
687 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
688 udelay(5);
689 data = RD_MAILBOX_REG(ha, reg, 0);
690 barrier();
691 }
692 } else
693 udelay(10);
694
695 if (!cnt)
696 goto chip_diag_failed;
697
698 /* Check product ID of chip */
699 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
700
701 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
702 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
703 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
704 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
705 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
706 mb[3] != PROD_ID_3) {
707 qla_printk(KERN_WARNING, ha,
708 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
709
710 goto chip_diag_failed;
711 }
712 ha->product_id[0] = mb[1];
713 ha->product_id[1] = mb[2];
714 ha->product_id[2] = mb[3];
715 ha->product_id[3] = mb[4];
716
717 /* Adjust fw RISC transfer size */
718 if (ha->request_q_length > 1024)
719 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
720 else
721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
722 ha->request_q_length;
723
724 if (IS_QLA2200(ha) &&
725 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
726 /* Limit firmware transfer size with a 2200A */
727 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
728 ha->host_no));
729
730 ha->fw_transfer_size = 128;
731 }
732
733 /* Wrap Incoming Mailboxes Test. */
734 spin_unlock_irqrestore(&ha->hardware_lock, flags);
735
736 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
737 rval = qla2x00_mbx_reg_test(ha);
738 if (rval) {
739 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
740 ha->host_no));
741 qla_printk(KERN_WARNING, ha,
742 "Failed mailbox send register test\n");
743 }
744 else {
745 /* Flag a successful rval */
746 rval = QLA_SUCCESS;
747 }
748 spin_lock_irqsave(&ha->hardware_lock, flags);
749
750 chip_diag_failed:
751 if (rval)
752 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
753 "****\n", ha->host_no));
754
755 spin_unlock_irqrestore(&ha->hardware_lock, flags);
756
757 return (rval);
758 }
759
760 /**
761 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
762 * @ha: HA context
763 *
764 * Returns 0 on success.
765 */
766 int
767 qla24xx_chip_diag(scsi_qla_host_t *ha)
768 {
769 int rval;
770
771 /* Perform RISC reset. */
772 qla24xx_reset_risc(ha);
773
774 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
775
776 rval = qla2x00_mbx_reg_test(ha);
777 if (rval) {
778 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
779 ha->host_no));
780 qla_printk(KERN_WARNING, ha,
781 "Failed mailbox send register test\n");
782 } else {
783 /* Flag a successful rval */
784 rval = QLA_SUCCESS;
785 }
786
787 return rval;
788 }
789
790 static void
791 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
792 {
793 ha->fw_dumped = 0;
794 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
795 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
796 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
797 if (ha->fw_dump24)
798 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
799 "dump...\n", ha->fw_dump24_len / 1024);
800 else
801 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
802 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
803 }
804
805 /**
806 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
807 * @ha: HA context
808 *
809 * Returns 0 on success.
810 */
811 static void
812 qla2x00_resize_request_q(scsi_qla_host_t *ha)
813 {
814 int rval;
815 uint16_t fw_iocb_cnt = 0;
816 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
817 dma_addr_t request_dma;
818 request_t *request_ring;
819
820 /* Valid only on recent ISPs. */
821 if (IS_QLA2100(ha) || IS_QLA2200(ha))
822 return;
823
824 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
825 qla2x00_alloc_fw_dump(ha);
826
827 /* Retrieve IOCB counts available to the firmware. */
828 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
829 if (rval)
830 return;
831 /* No point in continuing if current settings are sufficient. */
832 if (fw_iocb_cnt < 1024)
833 return;
834 if (ha->request_q_length >= request_q_length)
835 return;
836
837 /* Attempt to claim larger area for request queue. */
838 request_ring = dma_alloc_coherent(&ha->pdev->dev,
839 (request_q_length + 1) * sizeof(request_t), &request_dma,
840 GFP_KERNEL);
841 if (request_ring == NULL)
842 return;
843
844 /* Resize successful, report extensions. */
845 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
846 (ha->fw_memory_size + 1) / 1024);
847 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
848 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
849
850 /* Clear old allocations. */
851 dma_free_coherent(&ha->pdev->dev,
852 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
853 ha->request_dma);
854
855 /* Begin using larger queue. */
856 ha->request_q_length = request_q_length;
857 ha->request_ring = request_ring;
858 ha->request_dma = request_dma;
859 }
860
861 /**
862 * qla2x00_setup_chip() - Load and start RISC firmware.
863 * @ha: HA context
864 *
865 * Returns 0 on success.
866 */
867 static int
868 qla2x00_setup_chip(scsi_qla_host_t *ha)
869 {
870 int rval;
871 uint32_t srisc_address = 0;
872
873 /* Load firmware sequences */
874 rval = ha->isp_ops.load_risc(ha, &srisc_address);
875 if (rval == QLA_SUCCESS) {
876 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
877 "code.\n", ha->host_no));
878
879 rval = qla2x00_verify_checksum(ha, srisc_address);
880 if (rval == QLA_SUCCESS) {
881 /* Start firmware execution. */
882 DEBUG(printk("scsi(%ld): Checksum OK, start "
883 "firmware.\n", ha->host_no));
884
885 rval = qla2x00_execute_fw(ha, srisc_address);
886 /* Retrieve firmware information. */
887 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
888 qla2x00_get_fw_version(ha,
889 &ha->fw_major_version,
890 &ha->fw_minor_version,
891 &ha->fw_subminor_version,
892 &ha->fw_attributes, &ha->fw_memory_size);
893 qla2x00_resize_request_q(ha);
894 }
895 } else {
896 DEBUG2(printk(KERN_INFO
897 "scsi(%ld): ISP Firmware failed checksum.\n",
898 ha->host_no));
899 }
900 }
901
902 if (rval) {
903 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
904 ha->host_no));
905 }
906
907 return (rval);
908 }
909
910 /**
911 * qla2x00_init_response_q_entries() - Initializes response queue entries.
912 * @ha: HA context
913 *
914 * Beginning of request ring has initialization control block already built
915 * by nvram config routine.
916 *
917 * Returns 0 on success.
918 */
919 static void
920 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
921 {
922 uint16_t cnt;
923 response_t *pkt;
924
925 pkt = ha->response_ring_ptr;
926 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
927 pkt->signature = RESPONSE_PROCESSED;
928 pkt++;
929 }
930
931 }
932
933 /**
934 * qla2x00_update_fw_options() - Read and process firmware options.
935 * @ha: HA context
936 *
937 * Returns 0 on success.
938 */
939 void
940 qla2x00_update_fw_options(scsi_qla_host_t *ha)
941 {
942 uint16_t swing, emphasis, tx_sens, rx_sens;
943
944 memset(ha->fw_options, 0, sizeof(ha->fw_options));
945 qla2x00_get_fw_options(ha, ha->fw_options);
946
947 if (IS_QLA2100(ha) || IS_QLA2200(ha))
948 return;
949
950 /* Serial Link options. */
951 DEBUG3(printk("scsi(%ld): Serial link options:\n",
952 ha->host_no));
953 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
954 sizeof(ha->fw_seriallink_options)));
955
956 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
957 if (ha->fw_seriallink_options[3] & BIT_2) {
958 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
959
960 /* 1G settings */
961 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
962 emphasis = (ha->fw_seriallink_options[2] &
963 (BIT_4 | BIT_3)) >> 3;
964 tx_sens = ha->fw_seriallink_options[0] &
965 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
966 rx_sens = (ha->fw_seriallink_options[0] &
967 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
968 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
969 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
970 if (rx_sens == 0x0)
971 rx_sens = 0x3;
972 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
973 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
974 ha->fw_options[10] |= BIT_5 |
975 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
976 (tx_sens & (BIT_1 | BIT_0));
977
978 /* 2G settings */
979 swing = (ha->fw_seriallink_options[2] &
980 (BIT_7 | BIT_6 | BIT_5)) >> 5;
981 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
982 tx_sens = ha->fw_seriallink_options[1] &
983 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
984 rx_sens = (ha->fw_seriallink_options[1] &
985 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
986 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
987 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
988 if (rx_sens == 0x0)
989 rx_sens = 0x3;
990 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
991 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
992 ha->fw_options[11] |= BIT_5 |
993 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
994 (tx_sens & (BIT_1 | BIT_0));
995 }
996
997 /* FCP2 options. */
998 /* Return command IOCBs without waiting for an ABTS to complete. */
999 ha->fw_options[3] |= BIT_13;
1000
1001 /* LED scheme. */
1002 if (ha->flags.enable_led_scheme)
1003 ha->fw_options[2] |= BIT_12;
1004
1005 /* Update firmware options. */
1006 qla2x00_set_fw_options(ha, ha->fw_options);
1007 }
1008
1009 void
1010 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1011 {
1012 int rval;
1013
1014 /* Update Serial Link options. */
1015 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1016 return;
1017
1018 rval = qla2x00_set_serdes_params(ha,
1019 le16_to_cpu(ha->fw_seriallink_options24[1]),
1020 le16_to_cpu(ha->fw_seriallink_options24[2]),
1021 le16_to_cpu(ha->fw_seriallink_options24[3]));
1022 if (rval != QLA_SUCCESS) {
1023 qla_printk(KERN_WARNING, ha,
1024 "Unable to update Serial Link options (%x).\n", rval);
1025 }
1026 }
1027
1028 void
1029 qla2x00_config_rings(struct scsi_qla_host *ha)
1030 {
1031 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1032
1033 /* Setup ring parameters in initialization control block. */
1034 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1035 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1036 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1037 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1038 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1039 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1040 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1041 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1042
1043 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1044 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1045 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1046 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1047 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1048 }
1049
1050 void
1051 qla24xx_config_rings(struct scsi_qla_host *ha)
1052 {
1053 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1054 struct init_cb_24xx *icb;
1055
1056 /* Setup ring parameters in initialization control block. */
1057 icb = (struct init_cb_24xx *)ha->init_cb;
1058 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1059 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1060 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1061 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1062 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1063 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1064 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1065 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1066
1067 WRT_REG_DWORD(&reg->req_q_in, 0);
1068 WRT_REG_DWORD(&reg->req_q_out, 0);
1069 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1070 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1071 RD_REG_DWORD(&reg->rsp_q_out);
1072 }
1073
1074 /**
1075 * qla2x00_init_rings() - Initializes firmware.
1076 * @ha: HA context
1077 *
1078 * Beginning of request ring has initialization control block already built
1079 * by nvram config routine.
1080 *
1081 * Returns 0 on success.
1082 */
1083 static int
1084 qla2x00_init_rings(scsi_qla_host_t *ha)
1085 {
1086 int rval;
1087 unsigned long flags = 0;
1088 int cnt;
1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
1091
1092 /* Clear outstanding commands array. */
1093 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1094 ha->outstanding_cmds[cnt] = NULL;
1095
1096 ha->current_outstanding_cmd = 0;
1097
1098 /* Clear RSCN queue. */
1099 ha->rscn_in_ptr = 0;
1100 ha->rscn_out_ptr = 0;
1101
1102 /* Initialize firmware. */
1103 ha->request_ring_ptr = ha->request_ring;
1104 ha->req_ring_index = 0;
1105 ha->req_q_cnt = ha->request_q_length;
1106 ha->response_ring_ptr = ha->response_ring;
1107 ha->rsp_ring_index = 0;
1108
1109 /* Initialize response queue entries */
1110 qla2x00_init_response_q_entries(ha);
1111
1112 ha->isp_ops.config_rings(ha);
1113
1114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1115
1116 /* Update any ISP specific firmware options before initialization. */
1117 ha->isp_ops.update_fw_options(ha);
1118
1119 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1120 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1121 if (rval) {
1122 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1123 ha->host_no));
1124 } else {
1125 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1126 ha->host_no));
1127 }
1128
1129 return (rval);
1130 }
1131
1132 /**
1133 * qla2x00_fw_ready() - Waits for firmware ready.
1134 * @ha: HA context
1135 *
1136 * Returns 0 on success.
1137 */
1138 static int
1139 qla2x00_fw_ready(scsi_qla_host_t *ha)
1140 {
1141 int rval;
1142 unsigned long wtime, mtime;
1143 uint16_t min_wait; /* Minimum wait time if loop is down */
1144 uint16_t wait_time; /* Wait time if loop is coming ready */
1145 uint16_t fw_state;
1146
1147 rval = QLA_SUCCESS;
1148
1149 /* 20 seconds for loop down. */
1150 min_wait = 20;
1151
1152 /*
1153 * Firmware should take at most one RATOV to login, plus 5 seconds for
1154 * our own processing.
1155 */
1156 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1157 wait_time = min_wait;
1158 }
1159
1160 /* Min wait time if loop down */
1161 mtime = jiffies + (min_wait * HZ);
1162
1163 /* wait time before firmware ready */
1164 wtime = jiffies + (wait_time * HZ);
1165
1166 /* Wait for ISP to finish LIP */
1167 if (!ha->flags.init_done)
1168 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1169
1170 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1171 ha->host_no));
1172
1173 do {
1174 rval = qla2x00_get_firmware_state(ha, &fw_state);
1175 if (rval == QLA_SUCCESS) {
1176 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1177 ha->device_flags &= ~DFLG_NO_CABLE;
1178 }
1179 if (fw_state == FSTATE_READY) {
1180 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1181 ha->host_no));
1182
1183 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1184 &ha->login_timeout, &ha->r_a_tov);
1185
1186 rval = QLA_SUCCESS;
1187 break;
1188 }
1189
1190 rval = QLA_FUNCTION_FAILED;
1191
1192 if (atomic_read(&ha->loop_down_timer) &&
1193 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1194 fw_state == FSTATE_WAIT_AL_PA)) {
1195 /* Loop down. Timeout on min_wait for states
1196 * other than Wait for Login.
1197 */
1198 if (time_after_eq(jiffies, mtime)) {
1199 qla_printk(KERN_INFO, ha,
1200 "Cable is unplugged...\n");
1201
1202 ha->device_flags |= DFLG_NO_CABLE;
1203 break;
1204 }
1205 }
1206 } else {
1207 /* Mailbox cmd failed. Timeout on min_wait. */
1208 if (time_after_eq(jiffies, mtime))
1209 break;
1210 }
1211
1212 if (time_after_eq(jiffies, wtime))
1213 break;
1214
1215 /* Delay for a while */
1216 msleep(500);
1217
1218 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1219 ha->host_no, fw_state, jiffies));
1220 } while (1);
1221
1222 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1223 ha->host_no, fw_state, jiffies));
1224
1225 if (rval) {
1226 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1227 ha->host_no));
1228 }
1229
1230 return (rval);
1231 }
1232
1233 /*
1234 * qla2x00_configure_hba
1235 * Setup adapter context.
1236 *
1237 * Input:
1238 * ha = adapter state pointer.
1239 *
1240 * Returns:
1241 * 0 = success
1242 *
1243 * Context:
1244 * Kernel context.
1245 */
1246 static int
1247 qla2x00_configure_hba(scsi_qla_host_t *ha)
1248 {
1249 int rval;
1250 uint16_t loop_id;
1251 uint16_t topo;
1252 uint8_t al_pa;
1253 uint8_t area;
1254 uint8_t domain;
1255 char connect_type[22];
1256
1257 /* Get host addresses. */
1258 rval = qla2x00_get_adapter_id(ha,
1259 &loop_id, &al_pa, &area, &domain, &topo);
1260 if (rval != QLA_SUCCESS) {
1261 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1262 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1263 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1264 __func__, ha->host_no));
1265 } else {
1266 qla_printk(KERN_WARNING, ha,
1267 "ERROR -- Unable to get host loop ID.\n");
1268 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1269 }
1270 return (rval);
1271 }
1272
1273 if (topo == 4) {
1274 qla_printk(KERN_INFO, ha,
1275 "Cannot get topology - retrying.\n");
1276 return (QLA_FUNCTION_FAILED);
1277 }
1278
1279 ha->loop_id = loop_id;
1280
1281 /* initialize */
1282 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1283 ha->operating_mode = LOOP;
1284
1285 switch (topo) {
1286 case 0:
1287 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1288 ha->host_no));
1289 ha->current_topology = ISP_CFG_NL;
1290 strcpy(connect_type, "(Loop)");
1291 break;
1292
1293 case 1:
1294 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1295 ha->host_no));
1296 ha->current_topology = ISP_CFG_FL;
1297 strcpy(connect_type, "(FL_Port)");
1298 break;
1299
1300 case 2:
1301 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1302 ha->host_no));
1303 ha->operating_mode = P2P;
1304 ha->current_topology = ISP_CFG_N;
1305 strcpy(connect_type, "(N_Port-to-N_Port)");
1306 break;
1307
1308 case 3:
1309 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1310 ha->host_no));
1311 ha->operating_mode = P2P;
1312 ha->current_topology = ISP_CFG_F;
1313 strcpy(connect_type, "(F_Port)");
1314 break;
1315
1316 default:
1317 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1318 "Using NL.\n",
1319 ha->host_no, topo));
1320 ha->current_topology = ISP_CFG_NL;
1321 strcpy(connect_type, "(Loop)");
1322 break;
1323 }
1324
1325 /* Save Host port and loop ID. */
1326 /* byte order - Big Endian */
1327 ha->d_id.b.domain = domain;
1328 ha->d_id.b.area = area;
1329 ha->d_id.b.al_pa = al_pa;
1330
1331 if (!ha->flags.init_done)
1332 qla_printk(KERN_INFO, ha,
1333 "Topology - %s, Host Loop address 0x%x\n",
1334 connect_type, ha->loop_id);
1335
1336 if (rval) {
1337 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1338 } else {
1339 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1340 }
1341
1342 return(rval);
1343 }
1344
1345 /*
1346 * NVRAM configuration for ISP 2xxx
1347 *
1348 * Input:
1349 * ha = adapter block pointer.
1350 *
1351 * Output:
1352 * initialization control block in response_ring
1353 * host adapters parameters in host adapter block
1354 *
1355 * Returns:
1356 * 0 = success.
1357 */
1358 int
1359 qla2x00_nvram_config(scsi_qla_host_t *ha)
1360 {
1361 int rval;
1362 uint8_t chksum = 0;
1363 uint16_t cnt;
1364 uint8_t *dptr1, *dptr2;
1365 init_cb_t *icb = ha->init_cb;
1366 nvram_t *nv = (nvram_t *)ha->request_ring;
1367 uint8_t *ptr = (uint8_t *)ha->request_ring;
1368 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1369
1370 rval = QLA_SUCCESS;
1371
1372 /* Determine NVRAM starting address. */
1373 ha->nvram_size = sizeof(nvram_t);
1374 ha->nvram_base = 0;
1375 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1376 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1377 ha->nvram_base = 0x80;
1378
1379 /* Get NVRAM data and calculate checksum. */
1380 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1381 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1382 chksum += *ptr++;
1383
1384 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1385 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1386 ha->nvram_size));
1387
1388 /* Bad NVRAM data, set defaults parameters. */
1389 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1390 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1391 /* Reset NVRAM data. */
1392 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1393 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1394 nv->nvram_version);
1395 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1396 "invalid -- WWPN) defaults.\n");
1397
1398 /*
1399 * Set default initialization control block.
1400 */
1401 memset(nv, 0, ha->nvram_size);
1402 nv->parameter_block_version = ICB_VERSION;
1403
1404 if (IS_QLA23XX(ha)) {
1405 nv->firmware_options[0] = BIT_2 | BIT_1;
1406 nv->firmware_options[1] = BIT_7 | BIT_5;
1407 nv->add_firmware_options[0] = BIT_5;
1408 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1409 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1410 nv->special_options[1] = BIT_7;
1411 } else if (IS_QLA2200(ha)) {
1412 nv->firmware_options[0] = BIT_2 | BIT_1;
1413 nv->firmware_options[1] = BIT_7 | BIT_5;
1414 nv->add_firmware_options[0] = BIT_5;
1415 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1416 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1417 } else if (IS_QLA2100(ha)) {
1418 nv->firmware_options[0] = BIT_3 | BIT_1;
1419 nv->firmware_options[1] = BIT_5;
1420 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1421 }
1422
1423 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1424 nv->execution_throttle = __constant_cpu_to_le16(16);
1425 nv->retry_count = 8;
1426 nv->retry_delay = 1;
1427
1428 nv->port_name[0] = 33;
1429 nv->port_name[3] = 224;
1430 nv->port_name[4] = 139;
1431
1432 nv->login_timeout = 4;
1433
1434 /*
1435 * Set default host adapter parameters
1436 */
1437 nv->host_p[1] = BIT_2;
1438 nv->reset_delay = 5;
1439 nv->port_down_retry_count = 8;
1440 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1441 nv->link_down_timeout = 60;
1442
1443 rval = 1;
1444 }
1445
1446 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1447 /*
1448 * The SN2 does not provide BIOS emulation which means you can't change
1449 * potentially bogus BIOS settings. Force the use of default settings
1450 * for link rate and frame size. Hope that the rest of the settings
1451 * are valid.
1452 */
1453 if (ia64_platform_is("sn2")) {
1454 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1455 if (IS_QLA23XX(ha))
1456 nv->special_options[1] = BIT_7;
1457 }
1458 #endif
1459
1460 /* Reset Initialization control block */
1461 memset(icb, 0, ha->init_cb_size);
1462
1463 /*
1464 * Setup driver NVRAM options.
1465 */
1466 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1467 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1468 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1469 nv->firmware_options[1] &= ~BIT_4;
1470
1471 if (IS_QLA23XX(ha)) {
1472 nv->firmware_options[0] |= BIT_2;
1473 nv->firmware_options[0] &= ~BIT_3;
1474 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1475
1476 if (IS_QLA2300(ha)) {
1477 if (ha->fb_rev == FPM_2310) {
1478 strcpy(ha->model_number, "QLA2310");
1479 } else {
1480 strcpy(ha->model_number, "QLA2300");
1481 }
1482 } else {
1483 if (rval == 0 &&
1484 memcmp(nv->model_number, BINZERO,
1485 sizeof(nv->model_number)) != 0) {
1486 char *st, *en;
1487
1488 strncpy(ha->model_number, nv->model_number,
1489 sizeof(nv->model_number));
1490 st = en = ha->model_number;
1491 en += sizeof(nv->model_number) - 1;
1492 while (en > st) {
1493 if (*en != 0x20 && *en != 0x00)
1494 break;
1495 *en-- = '\0';
1496 }
1497 } else {
1498 uint16_t index;
1499
1500 index = (ha->pdev->subsystem_device & 0xff);
1501 if (index < QLA_MODEL_NAMES) {
1502 strcpy(ha->model_number,
1503 qla2x00_model_name[index]);
1504 ha->model_desc =
1505 qla2x00_model_desc[index];
1506 } else {
1507 strcpy(ha->model_number, "QLA23xx");
1508 }
1509 }
1510 }
1511 } else if (IS_QLA2200(ha)) {
1512 nv->firmware_options[0] |= BIT_2;
1513 /*
1514 * 'Point-to-point preferred, else loop' is not a safe
1515 * connection mode setting.
1516 */
1517 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1518 (BIT_5 | BIT_4)) {
1519 /* Force 'loop preferred, else point-to-point'. */
1520 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1521 nv->add_firmware_options[0] |= BIT_5;
1522 }
1523 strcpy(ha->model_number, "QLA22xx");
1524 } else /*if (IS_QLA2100(ha))*/ {
1525 strcpy(ha->model_number, "QLA2100");
1526 }
1527
1528 /*
1529 * Copy over NVRAM RISC parameter block to initialization control block.
1530 */
1531 dptr1 = (uint8_t *)icb;
1532 dptr2 = (uint8_t *)&nv->parameter_block_version;
1533 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1534 while (cnt--)
1535 *dptr1++ = *dptr2++;
1536
1537 /* Copy 2nd half. */
1538 dptr1 = (uint8_t *)icb->add_firmware_options;
1539 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1540 while (cnt--)
1541 *dptr1++ = *dptr2++;
1542
1543 /* Prepare nodename */
1544 if ((icb->firmware_options[1] & BIT_6) == 0) {
1545 /*
1546 * Firmware will apply the following mask if the nodename was
1547 * not provided.
1548 */
1549 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1550 icb->node_name[0] &= 0xF0;
1551 }
1552
1553 /*
1554 * Set host adapter parameters.
1555 */
1556 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1557 /* Always load RISC code on non ISP2[12]00 chips. */
1558 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1559 ha->flags.disable_risc_code_load = 0;
1560 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1561 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1562 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1563 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1564
1565 ha->operating_mode =
1566 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1567
1568 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1569 sizeof(ha->fw_seriallink_options));
1570
1571 /* save HBA serial number */
1572 ha->serial0 = icb->port_name[5];
1573 ha->serial1 = icb->port_name[6];
1574 ha->serial2 = icb->port_name[7];
1575 ha->node_name = icb->node_name;
1576 ha->port_name = icb->port_name;
1577
1578 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1579
1580 ha->retry_count = nv->retry_count;
1581
1582 /* Set minimum login_timeout to 4 seconds. */
1583 if (nv->login_timeout < ql2xlogintimeout)
1584 nv->login_timeout = ql2xlogintimeout;
1585 if (nv->login_timeout < 4)
1586 nv->login_timeout = 4;
1587 ha->login_timeout = nv->login_timeout;
1588 icb->login_timeout = nv->login_timeout;
1589
1590 /* Set minimum RATOV to 200 tenths of a second. */
1591 ha->r_a_tov = 200;
1592
1593 ha->loop_reset_delay = nv->reset_delay;
1594
1595 /* Link Down Timeout = 0:
1596 *
1597 * When Port Down timer expires we will start returning
1598 * I/O's to OS with "DID_NO_CONNECT".
1599 *
1600 * Link Down Timeout != 0:
1601 *
1602 * The driver waits for the link to come up after link down
1603 * before returning I/Os to OS with "DID_NO_CONNECT".
1604 */
1605 if (nv->link_down_timeout == 0) {
1606 ha->loop_down_abort_time =
1607 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1608 } else {
1609 ha->link_down_timeout = nv->link_down_timeout;
1610 ha->loop_down_abort_time =
1611 (LOOP_DOWN_TIME - ha->link_down_timeout);
1612 }
1613
1614 /*
1615 * Need enough time to try and get the port back.
1616 */
1617 ha->port_down_retry_count = nv->port_down_retry_count;
1618 if (qlport_down_retry)
1619 ha->port_down_retry_count = qlport_down_retry;
1620 /* Set login_retry_count */
1621 ha->login_retry_count = nv->retry_count;
1622 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1623 ha->port_down_retry_count > 3)
1624 ha->login_retry_count = ha->port_down_retry_count;
1625 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1626 ha->login_retry_count = ha->port_down_retry_count;
1627 if (ql2xloginretrycount)
1628 ha->login_retry_count = ql2xloginretrycount;
1629
1630 icb->lun_enables = __constant_cpu_to_le16(0);
1631 icb->command_resource_count = 0;
1632 icb->immediate_notify_resource_count = 0;
1633 icb->timeout = __constant_cpu_to_le16(0);
1634
1635 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1636 /* Enable RIO */
1637 icb->firmware_options[0] &= ~BIT_3;
1638 icb->add_firmware_options[0] &=
1639 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1640 icb->add_firmware_options[0] |= BIT_2;
1641 icb->response_accumulation_timer = 3;
1642 icb->interrupt_delay_timer = 5;
1643
1644 ha->flags.process_response_queue = 1;
1645 } else {
1646 /* Enable ZIO. */
1647 if (!ha->flags.init_done) {
1648 ha->zio_mode = icb->add_firmware_options[0] &
1649 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1650 ha->zio_timer = icb->interrupt_delay_timer ?
1651 icb->interrupt_delay_timer: 2;
1652 }
1653 icb->add_firmware_options[0] &=
1654 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1655 ha->flags.process_response_queue = 0;
1656 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1657 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1658 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1659 ha->zio_timer * 100));
1660 qla_printk(KERN_INFO, ha,
1661 "ZIO mode %d enabled; timer delay (%d us).\n",
1662 ha->zio_mode, ha->zio_timer * 100);
1663
1664 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1665 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1666 ha->flags.process_response_queue = 1;
1667 }
1668 }
1669
1670 if (rval) {
1671 DEBUG2_3(printk(KERN_WARNING
1672 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1673 }
1674 return (rval);
1675 }
1676
1677 static void
1678 qla2x00_rport_add(void *data)
1679 {
1680 fc_port_t *fcport = data;
1681
1682 qla2x00_reg_remote_port(fcport->ha, fcport);
1683 }
1684
1685 static void
1686 qla2x00_rport_del(void *data)
1687 {
1688 fc_port_t *fcport = data;
1689 struct fc_rport *rport;
1690 unsigned long flags;
1691
1692 spin_lock_irqsave(&fcport->rport_lock, flags);
1693 rport = fcport->drport;
1694 fcport->drport = NULL;
1695 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1696 if (rport)
1697 fc_remote_port_delete(rport);
1698
1699 }
1700
1701 /**
1702 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1703 * @ha: HA context
1704 * @flags: allocation flags
1705 *
1706 * Returns a pointer to the allocated fcport, or NULL, if none available.
1707 */
1708 fc_port_t *
1709 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1710 {
1711 fc_port_t *fcport;
1712
1713 fcport = kmalloc(sizeof(fc_port_t), flags);
1714 if (fcport == NULL)
1715 return (fcport);
1716
1717 /* Setup fcport template structure. */
1718 memset(fcport, 0, sizeof (fc_port_t));
1719 fcport->ha = ha;
1720 fcport->port_type = FCT_UNKNOWN;
1721 fcport->loop_id = FC_NO_LOOP_ID;
1722 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1723 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1724 fcport->flags = FCF_RLC_SUPPORT;
1725 fcport->supported_classes = FC_COS_UNSPECIFIED;
1726 spin_lock_init(&fcport->rport_lock);
1727 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1728 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1729
1730 return (fcport);
1731 }
1732
1733 /*
1734 * qla2x00_configure_loop
1735 * Updates Fibre Channel Device Database with what is actually on loop.
1736 *
1737 * Input:
1738 * ha = adapter block pointer.
1739 *
1740 * Returns:
1741 * 0 = success.
1742 * 1 = error.
1743 * 2 = database was full and device was not configured.
1744 */
1745 static int
1746 qla2x00_configure_loop(scsi_qla_host_t *ha)
1747 {
1748 int rval;
1749 unsigned long flags, save_flags;
1750
1751 rval = QLA_SUCCESS;
1752
1753 /* Get Initiator ID */
1754 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1755 rval = qla2x00_configure_hba(ha);
1756 if (rval != QLA_SUCCESS) {
1757 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1758 ha->host_no));
1759 return (rval);
1760 }
1761 }
1762
1763 save_flags = flags = ha->dpc_flags;
1764 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1765 ha->host_no, flags));
1766
1767 /*
1768 * If we have both an RSCN and PORT UPDATE pending then handle them
1769 * both at the same time.
1770 */
1771 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1772 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1773
1774 /* Determine what we need to do */
1775 if (ha->current_topology == ISP_CFG_FL &&
1776 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1777
1778 ha->flags.rscn_queue_overflow = 1;
1779 set_bit(RSCN_UPDATE, &flags);
1780
1781 } else if (ha->current_topology == ISP_CFG_F &&
1782 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1783
1784 ha->flags.rscn_queue_overflow = 1;
1785 set_bit(RSCN_UPDATE, &flags);
1786 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1787
1788 } else if (!ha->flags.online ||
1789 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1790
1791 ha->flags.rscn_queue_overflow = 1;
1792 set_bit(RSCN_UPDATE, &flags);
1793 set_bit(LOCAL_LOOP_UPDATE, &flags);
1794 }
1795
1796 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1797 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1798 rval = QLA_FUNCTION_FAILED;
1799 } else {
1800 rval = qla2x00_configure_local_loop(ha);
1801 }
1802 }
1803
1804 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1805 if (LOOP_TRANSITION(ha)) {
1806 rval = QLA_FUNCTION_FAILED;
1807 } else {
1808 rval = qla2x00_configure_fabric(ha);
1809 }
1810 }
1811
1812 if (rval == QLA_SUCCESS) {
1813 if (atomic_read(&ha->loop_down_timer) ||
1814 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1815 rval = QLA_FUNCTION_FAILED;
1816 } else {
1817 atomic_set(&ha->loop_state, LOOP_READY);
1818
1819 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1820 }
1821 }
1822
1823 if (rval) {
1824 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1825 __func__, ha->host_no));
1826 } else {
1827 DEBUG3(printk("%s: exiting normally\n", __func__));
1828 }
1829
1830 /* Restore state if a resync event occured during processing */
1831 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1832 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1833 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1834 if (test_bit(RSCN_UPDATE, &save_flags))
1835 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1836 }
1837
1838 return (rval);
1839 }
1840
1841
1842
1843 /*
1844 * qla2x00_configure_local_loop
1845 * Updates Fibre Channel Device Database with local loop devices.
1846 *
1847 * Input:
1848 * ha = adapter block pointer.
1849 *
1850 * Returns:
1851 * 0 = success.
1852 */
1853 static int
1854 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1855 {
1856 int rval, rval2;
1857 int found_devs;
1858 int found;
1859 fc_port_t *fcport, *new_fcport;
1860
1861 uint16_t index;
1862 uint16_t entries;
1863 char *id_iter;
1864 uint16_t loop_id;
1865 uint8_t domain, area, al_pa;
1866
1867 found_devs = 0;
1868 new_fcport = NULL;
1869 entries = MAX_FIBRE_DEVICES;
1870
1871 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1872 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1873
1874 /* Get list of logged in devices. */
1875 memset(ha->gid_list, 0, GID_LIST_SIZE);
1876 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1877 &entries);
1878 if (rval != QLA_SUCCESS)
1879 goto cleanup_allocation;
1880
1881 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1882 ha->host_no, entries));
1883 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1884 entries * sizeof(struct gid_list_info)));
1885
1886 /* Allocate temporary fcport for any new fcports discovered. */
1887 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1888 if (new_fcport == NULL) {
1889 rval = QLA_MEMORY_ALLOC_FAILED;
1890 goto cleanup_allocation;
1891 }
1892 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1893
1894 /*
1895 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1896 */
1897 list_for_each_entry(fcport, &ha->fcports, list) {
1898 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1899 fcport->port_type != FCT_BROADCAST &&
1900 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1901
1902 DEBUG(printk("scsi(%ld): Marking port lost, "
1903 "loop_id=0x%04x\n",
1904 ha->host_no, fcport->loop_id));
1905
1906 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1907 fcport->flags &= ~FCF_FARP_DONE;
1908 }
1909 }
1910
1911 /* Add devices to port list. */
1912 id_iter = (char *)ha->gid_list;
1913 for (index = 0; index < entries; index++) {
1914 domain = ((struct gid_list_info *)id_iter)->domain;
1915 area = ((struct gid_list_info *)id_iter)->area;
1916 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1917 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1918 loop_id = (uint16_t)
1919 ((struct gid_list_info *)id_iter)->loop_id_2100;
1920 else
1921 loop_id = le16_to_cpu(
1922 ((struct gid_list_info *)id_iter)->loop_id);
1923 id_iter += ha->gid_list_info_size;
1924
1925 /* Bypass reserved domain fields. */
1926 if ((domain & 0xf0) == 0xf0)
1927 continue;
1928
1929 /* Bypass if not same domain and area of adapter. */
1930 if (area && domain &&
1931 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1932 continue;
1933
1934 /* Bypass invalid local loop ID. */
1935 if (loop_id > LAST_LOCAL_LOOP_ID)
1936 continue;
1937
1938 /* Fill in member data. */
1939 new_fcport->d_id.b.domain = domain;
1940 new_fcport->d_id.b.area = area;
1941 new_fcport->d_id.b.al_pa = al_pa;
1942 new_fcport->loop_id = loop_id;
1943 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1944 if (rval2 != QLA_SUCCESS) {
1945 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1946 "information -- get_port_database=%x, "
1947 "loop_id=0x%04x\n",
1948 ha->host_no, rval2, new_fcport->loop_id));
1949 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1950 ha->host_no));
1951 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1952 continue;
1953 }
1954
1955 /* Check for matching device in port list. */
1956 found = 0;
1957 fcport = NULL;
1958 list_for_each_entry(fcport, &ha->fcports, list) {
1959 if (memcmp(new_fcport->port_name, fcport->port_name,
1960 WWN_SIZE))
1961 continue;
1962
1963 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1964 FCF_PERSISTENT_BOUND);
1965 fcport->loop_id = new_fcport->loop_id;
1966 fcport->port_type = new_fcport->port_type;
1967 fcport->d_id.b24 = new_fcport->d_id.b24;
1968 memcpy(fcport->node_name, new_fcport->node_name,
1969 WWN_SIZE);
1970
1971 found++;
1972 break;
1973 }
1974
1975 if (!found) {
1976 /* New device, add to fcports list. */
1977 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1978 list_add_tail(&new_fcport->list, &ha->fcports);
1979
1980 /* Allocate a new replacement fcport. */
1981 fcport = new_fcport;
1982 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1983 if (new_fcport == NULL) {
1984 rval = QLA_MEMORY_ALLOC_FAILED;
1985 goto cleanup_allocation;
1986 }
1987 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1988 }
1989
1990 qla2x00_update_fcport(ha, fcport);
1991
1992 found_devs++;
1993 }
1994
1995 cleanup_allocation:
1996 kfree(new_fcport);
1997
1998 if (rval != QLA_SUCCESS) {
1999 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2000 "rval=%x\n", ha->host_no, rval));
2001 }
2002
2003 if (found_devs) {
2004 ha->device_flags |= DFLG_LOCAL_DEVICES;
2005 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2006 }
2007
2008 return (rval);
2009 }
2010
2011 static void
2012 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2013 {
2014 fc_port_t *fcport;
2015
2016 qla2x00_mark_all_devices_lost(ha, 0);
2017 list_for_each_entry(fcport, &ha->fcports, list) {
2018 if (fcport->port_type != FCT_TARGET)
2019 continue;
2020
2021 qla2x00_update_fcport(ha, fcport);
2022 }
2023 }
2024
2025 /*
2026 * qla2x00_update_fcport
2027 * Updates device on list.
2028 *
2029 * Input:
2030 * ha = adapter block pointer.
2031 * fcport = port structure pointer.
2032 *
2033 * Return:
2034 * 0 - Success
2035 * BIT_0 - error
2036 *
2037 * Context:
2038 * Kernel context.
2039 */
2040 void
2041 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2042 {
2043 fcport->ha = ha;
2044 fcport->login_retry = 0;
2045 fcport->port_login_retry_count = ha->port_down_retry_count *
2046 PORT_RETRY_TIME;
2047 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2048 PORT_RETRY_TIME);
2049 fcport->flags &= ~FCF_LOGIN_NEEDED;
2050
2051 if (fcport->port_type == FCT_INITIATOR ||
2052 fcport->port_type == FCT_BROADCAST)
2053 fcport->device_type = TYPE_PROCESSOR;
2054
2055 atomic_set(&fcport->state, FCS_ONLINE);
2056
2057 if (ha->flags.init_done)
2058 qla2x00_reg_remote_port(ha, fcport);
2059 }
2060
2061 void
2062 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2063 {
2064 struct fc_rport_identifiers rport_ids;
2065 struct fc_rport *rport;
2066 unsigned long flags;
2067
2068 if (fcport->drport)
2069 qla2x00_rport_del(fcport);
2070 if (fcport->rport)
2071 return;
2072
2073 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2074 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2075 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2076 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2077 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2078 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2079 if (!rport) {
2080 qla_printk(KERN_WARNING, ha,
2081 "Unable to allocate fc remote port!\n");
2082 return;
2083 }
2084 spin_lock_irqsave(&fcport->rport_lock, flags);
2085 fcport->rport = rport;
2086 *((fc_port_t **)rport->dd_data) = fcport;
2087 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2088
2089 rport->supported_classes = fcport->supported_classes;
2090
2091 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2092 if (fcport->port_type == FCT_INITIATOR)
2093 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2094 if (fcport->port_type == FCT_TARGET)
2095 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2096 fc_remote_port_rolechg(rport, rport_ids.roles);
2097
2098 if (rport->scsi_target_id != -1 &&
2099 rport->scsi_target_id < ha->host->max_id)
2100 fcport->os_target_id = rport->scsi_target_id;
2101 }
2102
2103 /*
2104 * qla2x00_configure_fabric
2105 * Setup SNS devices with loop ID's.
2106 *
2107 * Input:
2108 * ha = adapter block pointer.
2109 *
2110 * Returns:
2111 * 0 = success.
2112 * BIT_0 = error
2113 */
2114 static int
2115 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2116 {
2117 int rval, rval2;
2118 fc_port_t *fcport, *fcptemp;
2119 uint16_t next_loopid;
2120 uint16_t mb[MAILBOX_REGISTER_COUNT];
2121 uint16_t loop_id;
2122 LIST_HEAD(new_fcports);
2123
2124 /* If FL port exists, then SNS is present */
2125 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2126 loop_id = NPH_F_PORT;
2127 else
2128 loop_id = SNS_FL_PORT;
2129 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2130 if (rval != QLA_SUCCESS) {
2131 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2132 "Port\n", ha->host_no));
2133
2134 ha->device_flags &= ~SWITCH_FOUND;
2135 return (QLA_SUCCESS);
2136 }
2137
2138 /* Mark devices that need re-synchronization. */
2139 rval2 = qla2x00_device_resync(ha);
2140 if (rval2 == QLA_RSCNS_HANDLED) {
2141 /* No point doing the scan, just continue. */
2142 return (QLA_SUCCESS);
2143 }
2144 do {
2145 /* FDMI support. */
2146 if (ql2xfdmienable &&
2147 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2148 qla2x00_fdmi_register(ha);
2149
2150 /* Ensure we are logged into the SNS. */
2151 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2152 loop_id = NPH_SNS;
2153 else
2154 loop_id = SIMPLE_NAME_SERVER;
2155 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2156 0xfc, mb, BIT_1 | BIT_0);
2157 if (mb[0] != MBS_COMMAND_COMPLETE) {
2158 DEBUG2(qla_printk(KERN_INFO, ha,
2159 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2160 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2161 mb[0], mb[1], mb[2], mb[6], mb[7]));
2162 return (QLA_SUCCESS);
2163 }
2164
2165 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2166 if (qla2x00_rft_id(ha)) {
2167 /* EMPTY */
2168 DEBUG2(printk("scsi(%ld): Register FC-4 "
2169 "TYPE failed.\n", ha->host_no));
2170 }
2171 if (qla2x00_rff_id(ha)) {
2172 /* EMPTY */
2173 DEBUG2(printk("scsi(%ld): Register FC-4 "
2174 "Features failed.\n", ha->host_no));
2175 }
2176 if (qla2x00_rnn_id(ha)) {
2177 /* EMPTY */
2178 DEBUG2(printk("scsi(%ld): Register Node Name "
2179 "failed.\n", ha->host_no));
2180 } else if (qla2x00_rsnn_nn(ha)) {
2181 /* EMPTY */
2182 DEBUG2(printk("scsi(%ld): Register Symbolic "
2183 "Node Name failed.\n", ha->host_no));
2184 }
2185 }
2186
2187 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2188 if (rval != QLA_SUCCESS)
2189 break;
2190
2191 /*
2192 * Logout all previous fabric devices marked lost, except
2193 * tape devices.
2194 */
2195 list_for_each_entry(fcport, &ha->fcports, list) {
2196 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2197 break;
2198
2199 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2200 continue;
2201
2202 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2203 qla2x00_mark_device_lost(ha, fcport,
2204 ql2xplogiabsentdevice, 0);
2205 if (fcport->loop_id != FC_NO_LOOP_ID &&
2206 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2207 fcport->port_type != FCT_INITIATOR &&
2208 fcport->port_type != FCT_BROADCAST) {
2209 ha->isp_ops.fabric_logout(ha,
2210 fcport->loop_id,
2211 fcport->d_id.b.domain,
2212 fcport->d_id.b.area,
2213 fcport->d_id.b.al_pa);
2214 fcport->loop_id = FC_NO_LOOP_ID;
2215 }
2216 }
2217 }
2218
2219 /* Starting free loop ID. */
2220 next_loopid = ha->min_external_loopid;
2221
2222 /*
2223 * Scan through our port list and login entries that need to be
2224 * logged in.
2225 */
2226 list_for_each_entry(fcport, &ha->fcports, list) {
2227 if (atomic_read(&ha->loop_down_timer) ||
2228 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2229 break;
2230
2231 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2232 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2233 continue;
2234
2235 if (fcport->loop_id == FC_NO_LOOP_ID) {
2236 fcport->loop_id = next_loopid;
2237 rval = qla2x00_find_new_loop_id(ha, fcport);
2238 if (rval != QLA_SUCCESS) {
2239 /* Ran out of IDs to use */
2240 break;
2241 }
2242 }
2243 /* Login and update database */
2244 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2245 }
2246
2247 /* Exit if out of loop IDs. */
2248 if (rval != QLA_SUCCESS) {
2249 break;
2250 }
2251
2252 /*
2253 * Login and add the new devices to our port list.
2254 */
2255 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2256 if (atomic_read(&ha->loop_down_timer) ||
2257 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2258 break;
2259
2260 /* Find a new loop ID to use. */
2261 fcport->loop_id = next_loopid;
2262 rval = qla2x00_find_new_loop_id(ha, fcport);
2263 if (rval != QLA_SUCCESS) {
2264 /* Ran out of IDs to use */
2265 break;
2266 }
2267
2268 /* Remove device from the new list and add it to DB */
2269 list_del(&fcport->list);
2270 list_add_tail(&fcport->list, &ha->fcports);
2271
2272 /* Login and update database */
2273 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2274 }
2275 } while (0);
2276
2277 /* Free all new device structures not processed. */
2278 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2279 list_del(&fcport->list);
2280 kfree(fcport);
2281 }
2282
2283 if (rval) {
2284 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2285 "rval=%d\n", ha->host_no, rval));
2286 }
2287
2288 return (rval);
2289 }
2290
2291
2292 /*
2293 * qla2x00_find_all_fabric_devs
2294 *
2295 * Input:
2296 * ha = adapter block pointer.
2297 * dev = database device entry pointer.
2298 *
2299 * Returns:
2300 * 0 = success.
2301 *
2302 * Context:
2303 * Kernel context.
2304 */
2305 static int
2306 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2307 {
2308 int rval;
2309 uint16_t loop_id;
2310 fc_port_t *fcport, *new_fcport, *fcptemp;
2311 int found;
2312
2313 sw_info_t *swl;
2314 int swl_idx;
2315 int first_dev, last_dev;
2316 port_id_t wrap, nxt_d_id;
2317
2318 rval = QLA_SUCCESS;
2319
2320 /* Try GID_PT to get device list, else GAN. */
2321 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2322 if (swl == NULL) {
2323 /*EMPTY*/
2324 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2325 "on GA_NXT\n", ha->host_no));
2326 } else {
2327 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2328 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2329 kfree(swl);
2330 swl = NULL;
2331 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2332 kfree(swl);
2333 swl = NULL;
2334 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2335 kfree(swl);
2336 swl = NULL;
2337 }
2338 }
2339 swl_idx = 0;
2340
2341 /* Allocate temporary fcport for any new fcports discovered. */
2342 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2343 if (new_fcport == NULL) {
2344 kfree(swl);
2345 return (QLA_MEMORY_ALLOC_FAILED);
2346 }
2347 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2348
2349 /* Set start port ID scan at adapter ID. */
2350 first_dev = 1;
2351 last_dev = 0;
2352
2353 /* Starting free loop ID. */
2354 loop_id = ha->min_external_loopid;
2355 for (; loop_id <= ha->last_loop_id; loop_id++) {
2356 if (qla2x00_is_reserved_id(ha, loop_id))
2357 continue;
2358
2359 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2360 break;
2361
2362 if (swl != NULL) {
2363 if (last_dev) {
2364 wrap.b24 = new_fcport->d_id.b24;
2365 } else {
2366 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2367 memcpy(new_fcport->node_name,
2368 swl[swl_idx].node_name, WWN_SIZE);
2369 memcpy(new_fcport->port_name,
2370 swl[swl_idx].port_name, WWN_SIZE);
2371
2372 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2373 last_dev = 1;
2374 }
2375 swl_idx++;
2376 }
2377 } else {
2378 /* Send GA_NXT to the switch */
2379 rval = qla2x00_ga_nxt(ha, new_fcport);
2380 if (rval != QLA_SUCCESS) {
2381 qla_printk(KERN_WARNING, ha,
2382 "SNS scan failed -- assuming zero-entry "
2383 "result...\n");
2384 list_for_each_entry_safe(fcport, fcptemp,
2385 new_fcports, list) {
2386 list_del(&fcport->list);
2387 kfree(fcport);
2388 }
2389 rval = QLA_SUCCESS;
2390 break;
2391 }
2392 }
2393
2394 /* If wrap on switch device list, exit. */
2395 if (first_dev) {
2396 wrap.b24 = new_fcport->d_id.b24;
2397 first_dev = 0;
2398 } else if (new_fcport->d_id.b24 == wrap.b24) {
2399 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2400 ha->host_no, new_fcport->d_id.b.domain,
2401 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2402 break;
2403 }
2404
2405 /* Bypass if host adapter. */
2406 if (new_fcport->d_id.b24 == ha->d_id.b24)
2407 continue;
2408
2409 /* Bypass if same domain and area of adapter. */
2410 if (((new_fcport->d_id.b24 & 0xffff00) ==
2411 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2412 ISP_CFG_FL)
2413 continue;
2414
2415 /* Bypass reserved domain fields. */
2416 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2417 continue;
2418
2419 /* Locate matching device in database. */
2420 found = 0;
2421 list_for_each_entry(fcport, &ha->fcports, list) {
2422 if (memcmp(new_fcport->port_name, fcport->port_name,
2423 WWN_SIZE))
2424 continue;
2425
2426 found++;
2427
2428 /*
2429 * If address the same and state FCS_ONLINE, nothing
2430 * changed.
2431 */
2432 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2433 atomic_read(&fcport->state) == FCS_ONLINE) {
2434 break;
2435 }
2436
2437 /*
2438 * If device was not a fabric device before.
2439 */
2440 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2441 fcport->d_id.b24 = new_fcport->d_id.b24;
2442 fcport->loop_id = FC_NO_LOOP_ID;
2443 fcport->flags |= (FCF_FABRIC_DEVICE |
2444 FCF_LOGIN_NEEDED);
2445 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2446 break;
2447 }
2448
2449 /*
2450 * Port ID changed or device was marked to be updated;
2451 * Log it out if still logged in and mark it for
2452 * relogin later.
2453 */
2454 fcport->d_id.b24 = new_fcport->d_id.b24;
2455 fcport->flags |= FCF_LOGIN_NEEDED;
2456 if (fcport->loop_id != FC_NO_LOOP_ID &&
2457 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2458 fcport->port_type != FCT_INITIATOR &&
2459 fcport->port_type != FCT_BROADCAST) {
2460 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2461 fcport->d_id.b.domain, fcport->d_id.b.area,
2462 fcport->d_id.b.al_pa);
2463 fcport->loop_id = FC_NO_LOOP_ID;
2464 }
2465
2466 break;
2467 }
2468
2469 if (found)
2470 continue;
2471
2472 /* If device was not in our fcports list, then add it. */
2473 list_add_tail(&new_fcport->list, new_fcports);
2474
2475 /* Allocate a new replacement fcport. */
2476 nxt_d_id.b24 = new_fcport->d_id.b24;
2477 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2478 if (new_fcport == NULL) {
2479 kfree(swl);
2480 return (QLA_MEMORY_ALLOC_FAILED);
2481 }
2482 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2483 new_fcport->d_id.b24 = nxt_d_id.b24;
2484 }
2485
2486 kfree(swl);
2487 kfree(new_fcport);
2488
2489 if (!list_empty(new_fcports))
2490 ha->device_flags |= DFLG_FABRIC_DEVICES;
2491
2492 return (rval);
2493 }
2494
2495 /*
2496 * qla2x00_find_new_loop_id
2497 * Scan through our port list and find a new usable loop ID.
2498 *
2499 * Input:
2500 * ha: adapter state pointer.
2501 * dev: port structure pointer.
2502 *
2503 * Returns:
2504 * qla2x00 local function return status code.
2505 *
2506 * Context:
2507 * Kernel context.
2508 */
2509 int
2510 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2511 {
2512 int rval;
2513 int found;
2514 fc_port_t *fcport;
2515 uint16_t first_loop_id;
2516
2517 rval = QLA_SUCCESS;
2518
2519 /* Save starting loop ID. */
2520 first_loop_id = dev->loop_id;
2521
2522 for (;;) {
2523 /* Skip loop ID if already used by adapter. */
2524 if (dev->loop_id == ha->loop_id) {
2525 dev->loop_id++;
2526 }
2527
2528 /* Skip reserved loop IDs. */
2529 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2530 dev->loop_id++;
2531 }
2532
2533 /* Reset loop ID if passed the end. */
2534 if (dev->loop_id > ha->last_loop_id) {
2535 /* first loop ID. */
2536 dev->loop_id = ha->min_external_loopid;
2537 }
2538
2539 /* Check for loop ID being already in use. */
2540 found = 0;
2541 fcport = NULL;
2542 list_for_each_entry(fcport, &ha->fcports, list) {
2543 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2544 /* ID possibly in use */
2545 found++;
2546 break;
2547 }
2548 }
2549
2550 /* If not in use then it is free to use. */
2551 if (!found) {
2552 break;
2553 }
2554
2555 /* ID in use. Try next value. */
2556 dev->loop_id++;
2557
2558 /* If wrap around. No free ID to use. */
2559 if (dev->loop_id == first_loop_id) {
2560 dev->loop_id = FC_NO_LOOP_ID;
2561 rval = QLA_FUNCTION_FAILED;
2562 break;
2563 }
2564 }
2565
2566 return (rval);
2567 }
2568
2569 /*
2570 * qla2x00_device_resync
2571 * Marks devices in the database that needs resynchronization.
2572 *
2573 * Input:
2574 * ha = adapter block pointer.
2575 *
2576 * Context:
2577 * Kernel context.
2578 */
2579 static int
2580 qla2x00_device_resync(scsi_qla_host_t *ha)
2581 {
2582 int rval;
2583 int rval2;
2584 uint32_t mask;
2585 fc_port_t *fcport;
2586 uint32_t rscn_entry;
2587 uint8_t rscn_out_iter;
2588 uint8_t format;
2589 port_id_t d_id;
2590
2591 rval = QLA_RSCNS_HANDLED;
2592
2593 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2594 ha->flags.rscn_queue_overflow) {
2595
2596 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2597 format = MSB(MSW(rscn_entry));
2598 d_id.b.domain = LSB(MSW(rscn_entry));
2599 d_id.b.area = MSB(LSW(rscn_entry));
2600 d_id.b.al_pa = LSB(LSW(rscn_entry));
2601
2602 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2603 "[%02x/%02x%02x%02x].\n",
2604 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2605 d_id.b.area, d_id.b.al_pa));
2606
2607 ha->rscn_out_ptr++;
2608 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2609 ha->rscn_out_ptr = 0;
2610
2611 /* Skip duplicate entries. */
2612 for (rscn_out_iter = ha->rscn_out_ptr;
2613 !ha->flags.rscn_queue_overflow &&
2614 rscn_out_iter != ha->rscn_in_ptr;
2615 rscn_out_iter = (rscn_out_iter ==
2616 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2617
2618 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2619 break;
2620
2621 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2622 "entry found at [%d].\n", ha->host_no,
2623 rscn_out_iter));
2624
2625 ha->rscn_out_ptr = rscn_out_iter;
2626 }
2627
2628 /* Queue overflow, set switch default case. */
2629 if (ha->flags.rscn_queue_overflow) {
2630 DEBUG(printk("scsi(%ld): device_resync: rscn "
2631 "overflow.\n", ha->host_no));
2632
2633 format = 3;
2634 ha->flags.rscn_queue_overflow = 0;
2635 }
2636
2637 switch (format) {
2638 case 0:
2639 if (ql2xprocessrscn &&
2640 !IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2641 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
2642 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
2643 ha->flags.init_done) {
2644 /* Handle port RSCN via asyncronous IOCBs */
2645 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2646 NULL, 0);
2647 if (rval2 == QLA_SUCCESS)
2648 continue;
2649 }
2650 mask = 0xffffff;
2651 break;
2652 case 1:
2653 mask = 0xffff00;
2654 break;
2655 case 2:
2656 mask = 0xff0000;
2657 break;
2658 default:
2659 mask = 0x0;
2660 d_id.b24 = 0;
2661 ha->rscn_out_ptr = ha->rscn_in_ptr;
2662 break;
2663 }
2664
2665 rval = QLA_SUCCESS;
2666
2667 /* Abort any outstanding IO descriptors. */
2668 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2669 qla2x00_cancel_io_descriptors(ha);
2670
2671 list_for_each_entry(fcport, &ha->fcports, list) {
2672 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2673 (fcport->d_id.b24 & mask) != d_id.b24 ||
2674 fcport->port_type == FCT_BROADCAST)
2675 continue;
2676
2677 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2678 if (format != 3 ||
2679 fcport->port_type != FCT_INITIATOR) {
2680 qla2x00_mark_device_lost(ha, fcport,
2681 0, 0);
2682 }
2683 }
2684 fcport->flags &= ~FCF_FARP_DONE;
2685 }
2686 }
2687 return (rval);
2688 }
2689
2690 /*
2691 * qla2x00_fabric_dev_login
2692 * Login fabric target device and update FC port database.
2693 *
2694 * Input:
2695 * ha: adapter state pointer.
2696 * fcport: port structure list pointer.
2697 * next_loopid: contains value of a new loop ID that can be used
2698 * by the next login attempt.
2699 *
2700 * Returns:
2701 * qla2x00 local function return status code.
2702 *
2703 * Context:
2704 * Kernel context.
2705 */
2706 static int
2707 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2708 uint16_t *next_loopid)
2709 {
2710 int rval;
2711 int retry;
2712 uint8_t opts;
2713
2714 rval = QLA_SUCCESS;
2715 retry = 0;
2716
2717 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2718 if (rval == QLA_SUCCESS) {
2719 /* Send an ADISC to tape devices.*/
2720 opts = 0;
2721 if (fcport->flags & FCF_TAPE_PRESENT)
2722 opts |= BIT_1;
2723 rval = qla2x00_get_port_database(ha, fcport, opts);
2724 if (rval != QLA_SUCCESS) {
2725 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2726 fcport->d_id.b.domain, fcport->d_id.b.area,
2727 fcport->d_id.b.al_pa);
2728 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2729 } else {
2730 qla2x00_update_fcport(ha, fcport);
2731 }
2732 }
2733
2734 return (rval);
2735 }
2736
2737 /*
2738 * qla2x00_fabric_login
2739 * Issue fabric login command.
2740 *
2741 * Input:
2742 * ha = adapter block pointer.
2743 * device = pointer to FC device type structure.
2744 *
2745 * Returns:
2746 * 0 - Login successfully
2747 * 1 - Login failed
2748 * 2 - Initiator device
2749 * 3 - Fatal error
2750 */
2751 int
2752 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2753 uint16_t *next_loopid)
2754 {
2755 int rval;
2756 int retry;
2757 uint16_t tmp_loopid;
2758 uint16_t mb[MAILBOX_REGISTER_COUNT];
2759
2760 retry = 0;
2761 tmp_loopid = 0;
2762
2763 for (;;) {
2764 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2765 "for port %02x%02x%02x.\n",
2766 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2767 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2768
2769 /* Login fcport on switch. */
2770 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2771 fcport->d_id.b.domain, fcport->d_id.b.area,
2772 fcport->d_id.b.al_pa, mb, BIT_0);
2773 if (mb[0] == MBS_PORT_ID_USED) {
2774 /*
2775 * Device has another loop ID. The firmware team
2776 * recommends the driver perform an implicit login with
2777 * the specified ID again. The ID we just used is save
2778 * here so we return with an ID that can be tried by
2779 * the next login.
2780 */
2781 retry++;
2782 tmp_loopid = fcport->loop_id;
2783 fcport->loop_id = mb[1];
2784
2785 DEBUG(printk("Fabric Login: port in use - next "
2786 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2787 fcport->loop_id, fcport->d_id.b.domain,
2788 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2789
2790 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2791 /*
2792 * Login succeeded.
2793 */
2794 if (retry) {
2795 /* A retry occurred before. */
2796 *next_loopid = tmp_loopid;
2797 } else {
2798 /*
2799 * No retry occurred before. Just increment the
2800 * ID value for next login.
2801 */
2802 *next_loopid = (fcport->loop_id + 1);
2803 }
2804
2805 if (mb[1] & BIT_0) {
2806 fcport->port_type = FCT_INITIATOR;
2807 } else {
2808 fcport->port_type = FCT_TARGET;
2809 if (mb[1] & BIT_1) {
2810 fcport->flags |= FCF_TAPE_PRESENT;
2811 }
2812 }
2813
2814 if (mb[10] & BIT_0)
2815 fcport->supported_classes |= FC_COS_CLASS2;
2816 if (mb[10] & BIT_1)
2817 fcport->supported_classes |= FC_COS_CLASS3;
2818
2819 rval = QLA_SUCCESS;
2820 break;
2821 } else if (mb[0] == MBS_LOOP_ID_USED) {
2822 /*
2823 * Loop ID already used, try next loop ID.
2824 */
2825 fcport->loop_id++;
2826 rval = qla2x00_find_new_loop_id(ha, fcport);
2827 if (rval != QLA_SUCCESS) {
2828 /* Ran out of loop IDs to use */
2829 break;
2830 }
2831 } else if (mb[0] == MBS_COMMAND_ERROR) {
2832 /*
2833 * Firmware possibly timed out during login. If NO
2834 * retries are left to do then the device is declared
2835 * dead.
2836 */
2837 *next_loopid = fcport->loop_id;
2838 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2839 fcport->d_id.b.domain, fcport->d_id.b.area,
2840 fcport->d_id.b.al_pa);
2841 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2842
2843 rval = 1;
2844 break;
2845 } else {
2846 /*
2847 * unrecoverable / not handled error
2848 */
2849 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2850 "loop_id=%x jiffies=%lx.\n",
2851 __func__, ha->host_no, mb[0],
2852 fcport->d_id.b.domain, fcport->d_id.b.area,
2853 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2854
2855 *next_loopid = fcport->loop_id;
2856 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2857 fcport->d_id.b.domain, fcport->d_id.b.area,
2858 fcport->d_id.b.al_pa);
2859 fcport->loop_id = FC_NO_LOOP_ID;
2860 fcport->login_retry = 0;
2861
2862 rval = 3;
2863 break;
2864 }
2865 }
2866
2867 return (rval);
2868 }
2869
2870 /*
2871 * qla2x00_local_device_login
2872 * Issue local device login command.
2873 *
2874 * Input:
2875 * ha = adapter block pointer.
2876 * loop_id = loop id of device to login to.
2877 *
2878 * Returns (Where's the #define!!!!):
2879 * 0 - Login successfully
2880 * 1 - Login failed
2881 * 3 - Fatal error
2882 */
2883 int
2884 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2885 {
2886 int rval;
2887 uint16_t mb[MAILBOX_REGISTER_COUNT];
2888
2889 memset(mb, 0, sizeof(mb));
2890 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2891 if (rval == QLA_SUCCESS) {
2892 /* Interrogate mailbox registers for any errors */
2893 if (mb[0] == MBS_COMMAND_ERROR)
2894 rval = 1;
2895 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2896 /* device not in PCB table */
2897 rval = 3;
2898 }
2899
2900 return (rval);
2901 }
2902
2903 /*
2904 * qla2x00_loop_resync
2905 * Resync with fibre channel devices.
2906 *
2907 * Input:
2908 * ha = adapter block pointer.
2909 *
2910 * Returns:
2911 * 0 = success
2912 */
2913 int
2914 qla2x00_loop_resync(scsi_qla_host_t *ha)
2915 {
2916 int rval;
2917 uint32_t wait_time;
2918
2919 rval = QLA_SUCCESS;
2920
2921 atomic_set(&ha->loop_state, LOOP_UPDATE);
2922 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2923 if (ha->flags.online) {
2924 if (!(rval = qla2x00_fw_ready(ha))) {
2925 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2926 wait_time = 256;
2927 do {
2928 atomic_set(&ha->loop_state, LOOP_UPDATE);
2929
2930 /* Issue a marker after FW becomes ready. */
2931 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2932 ha->marker_needed = 0;
2933
2934 /* Remap devices on Loop. */
2935 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2936
2937 qla2x00_configure_loop(ha);
2938 wait_time--;
2939 } while (!atomic_read(&ha->loop_down_timer) &&
2940 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2941 wait_time &&
2942 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2943 }
2944 }
2945
2946 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2947 return (QLA_FUNCTION_FAILED);
2948 }
2949
2950 if (rval) {
2951 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2952 }
2953
2954 return (rval);
2955 }
2956
2957 void
2958 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2959 {
2960 int rescan_done;
2961 fc_port_t *fcport;
2962
2963 rescan_done = 0;
2964 list_for_each_entry(fcport, &ha->fcports, list) {
2965 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2966 continue;
2967
2968 qla2x00_update_fcport(ha, fcport);
2969 fcport->flags &= ~FCF_RESCAN_NEEDED;
2970
2971 rescan_done = 1;
2972 }
2973 qla2x00_probe_for_all_luns(ha);
2974 }
2975
2976 void
2977 qla2x00_update_fcports(scsi_qla_host_t *ha)
2978 {
2979 fc_port_t *fcport;
2980
2981 /* Go with deferred removal of rport references. */
2982 list_for_each_entry(fcport, &ha->fcports, list)
2983 if (fcport->drport)
2984 qla2x00_rport_del(fcport);
2985 }
2986
2987 /*
2988 * qla2x00_abort_isp
2989 * Resets ISP and aborts all outstanding commands.
2990 *
2991 * Input:
2992 * ha = adapter block pointer.
2993 *
2994 * Returns:
2995 * 0 = success
2996 */
2997 int
2998 qla2x00_abort_isp(scsi_qla_host_t *ha)
2999 {
3000 unsigned long flags = 0;
3001 uint16_t cnt;
3002 srb_t *sp;
3003 uint8_t status = 0;
3004
3005 if (ha->flags.online) {
3006 ha->flags.online = 0;
3007 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3008
3009 qla_printk(KERN_INFO, ha,
3010 "Performing ISP error recovery - ha= %p.\n", ha);
3011 ha->isp_ops.reset_chip(ha);
3012
3013 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3014 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3015 atomic_set(&ha->loop_state, LOOP_DOWN);
3016 qla2x00_mark_all_devices_lost(ha, 0);
3017 } else {
3018 if (!atomic_read(&ha->loop_down_timer))
3019 atomic_set(&ha->loop_down_timer,
3020 LOOP_DOWN_TIME);
3021 }
3022
3023 spin_lock_irqsave(&ha->hardware_lock, flags);
3024 /* Requeue all commands in outstanding command list. */
3025 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3026 sp = ha->outstanding_cmds[cnt];
3027 if (sp) {
3028 ha->outstanding_cmds[cnt] = NULL;
3029 sp->flags = 0;
3030 sp->cmd->result = DID_RESET << 16;
3031 sp->cmd->host_scribble = (unsigned char *)NULL;
3032 qla2x00_sp_compl(ha, sp);
3033 }
3034 }
3035 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3036
3037 ha->isp_ops.nvram_config(ha);
3038
3039 if (!qla2x00_restart_isp(ha)) {
3040 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3041
3042 if (!atomic_read(&ha->loop_down_timer)) {
3043 /*
3044 * Issue marker command only when we are going
3045 * to start the I/O .
3046 */
3047 ha->marker_needed = 1;
3048 }
3049
3050 ha->flags.online = 1;
3051
3052 ha->isp_ops.enable_intrs(ha);
3053
3054 ha->isp_abort_cnt = 0;
3055 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3056 } else { /* failed the ISP abort */
3057 ha->flags.online = 1;
3058 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3059 if (ha->isp_abort_cnt == 0) {
3060 qla_printk(KERN_WARNING, ha,
3061 "ISP error recovery failed - "
3062 "board disabled\n");
3063 /*
3064 * The next call disables the board
3065 * completely.
3066 */
3067 ha->isp_ops.reset_adapter(ha);
3068 ha->flags.online = 0;
3069 clear_bit(ISP_ABORT_RETRY,
3070 &ha->dpc_flags);
3071 status = 0;
3072 } else { /* schedule another ISP abort */
3073 ha->isp_abort_cnt--;
3074 DEBUG(printk("qla%ld: ISP abort - "
3075 "retry remaining %d\n",
3076 ha->host_no, ha->isp_abort_cnt);)
3077 status = 1;
3078 }
3079 } else {
3080 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3081 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3082 "- retrying (%d) more times\n",
3083 ha->host_no, ha->isp_abort_cnt);)
3084 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3085 status = 1;
3086 }
3087 }
3088
3089 }
3090
3091 if (status) {
3092 qla_printk(KERN_INFO, ha,
3093 "qla2x00_abort_isp: **** FAILED ****\n");
3094 } else {
3095 DEBUG(printk(KERN_INFO
3096 "qla2x00_abort_isp(%ld): exiting.\n",
3097 ha->host_no);)
3098 }
3099
3100 return(status);
3101 }
3102
3103 /*
3104 * qla2x00_restart_isp
3105 * restarts the ISP after a reset
3106 *
3107 * Input:
3108 * ha = adapter block pointer.
3109 *
3110 * Returns:
3111 * 0 = success
3112 */
3113 static int
3114 qla2x00_restart_isp(scsi_qla_host_t *ha)
3115 {
3116 uint8_t status = 0;
3117 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3118 unsigned long flags = 0;
3119 uint32_t wait_time;
3120
3121 /* If firmware needs to be loaded */
3122 if (qla2x00_isp_firmware(ha)) {
3123 ha->flags.online = 0;
3124 if (!(status = ha->isp_ops.chip_diag(ha))) {
3125 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3126 status = qla2x00_setup_chip(ha);
3127 goto done;
3128 }
3129
3130 spin_lock_irqsave(&ha->hardware_lock, flags);
3131
3132 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3133 /*
3134 * Disable SRAM, Instruction RAM and GP RAM
3135 * parity.
3136 */
3137 WRT_REG_WORD(&reg->hccr,
3138 (HCCR_ENABLE_PARITY + 0x0));
3139 RD_REG_WORD(&reg->hccr);
3140 }
3141
3142 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3143
3144 status = qla2x00_setup_chip(ha);
3145
3146 spin_lock_irqsave(&ha->hardware_lock, flags);
3147
3148 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3149 /* Enable proper parity */
3150 if (IS_QLA2300(ha))
3151 /* SRAM parity */
3152 WRT_REG_WORD(&reg->hccr,
3153 (HCCR_ENABLE_PARITY + 0x1));
3154 else
3155 /*
3156 * SRAM, Instruction RAM and GP RAM
3157 * parity.
3158 */
3159 WRT_REG_WORD(&reg->hccr,
3160 (HCCR_ENABLE_PARITY + 0x7));
3161 RD_REG_WORD(&reg->hccr);
3162 }
3163
3164 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3165 }
3166 }
3167
3168 done:
3169 if (!status && !(status = qla2x00_init_rings(ha))) {
3170 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3171 if (!(status = qla2x00_fw_ready(ha))) {
3172 DEBUG(printk("%s(): Start configure loop, "
3173 "status = %d\n", __func__, status);)
3174
3175 /* Issue a marker after FW becomes ready. */
3176 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3177
3178 ha->flags.online = 1;
3179 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3180 wait_time = 256;
3181 do {
3182 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3183 qla2x00_configure_loop(ha);
3184 wait_time--;
3185 } while (!atomic_read(&ha->loop_down_timer) &&
3186 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3187 wait_time &&
3188 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3189 }
3190
3191 /* if no cable then assume it's good */
3192 if ((ha->device_flags & DFLG_NO_CABLE))
3193 status = 0;
3194
3195 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3196 __func__,
3197 status);)
3198 }
3199 return (status);
3200 }
3201
3202 /*
3203 * qla2x00_reset_adapter
3204 * Reset adapter.
3205 *
3206 * Input:
3207 * ha = adapter block pointer.
3208 */
3209 void
3210 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3211 {
3212 unsigned long flags = 0;
3213 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3214
3215 ha->flags.online = 0;
3216 ha->isp_ops.disable_intrs(ha);
3217
3218 spin_lock_irqsave(&ha->hardware_lock, flags);
3219 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3220 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3221 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3222 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3223 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3224 }
3225
3226 void
3227 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3228 {
3229 unsigned long flags = 0;
3230 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3231
3232 ha->flags.online = 0;
3233 ha->isp_ops.disable_intrs(ha);
3234
3235 spin_lock_irqsave(&ha->hardware_lock, flags);
3236 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3237 RD_REG_DWORD(&reg->hccr);
3238 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3239 RD_REG_DWORD(&reg->hccr);
3240 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3241 }
3242
3243 int
3244 qla24xx_nvram_config(scsi_qla_host_t *ha)
3245 {
3246 int rval;
3247 struct init_cb_24xx *icb;
3248 struct nvram_24xx *nv;
3249 uint32_t *dptr;
3250 uint8_t *dptr1, *dptr2;
3251 uint32_t chksum;
3252 uint16_t cnt;
3253
3254 rval = QLA_SUCCESS;
3255 icb = (struct init_cb_24xx *)ha->init_cb;
3256 nv = (struct nvram_24xx *)ha->request_ring;
3257
3258 /* Determine NVRAM starting address. */
3259 ha->nvram_size = sizeof(struct nvram_24xx);
3260 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3261 if (PCI_FUNC(ha->pdev->devfn))
3262 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3263
3264 /* Get NVRAM data and calculate checksum. */
3265 dptr = (uint32_t *)nv;
3266 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3267 ha->nvram_size);
3268 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3269 chksum += le32_to_cpu(*dptr++);
3270
3271 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3272 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3273 ha->nvram_size));
3274
3275 /* Bad NVRAM data, set defaults parameters. */
3276 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3277 || nv->id[3] != ' ' ||
3278 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3279 /* Reset NVRAM data. */
3280 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3281 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3282 le16_to_cpu(nv->nvram_version));
3283 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3284 "invalid -- WWPN) defaults.\n");
3285
3286 /*
3287 * Set default initialization control block.
3288 */
3289 memset(nv, 0, ha->nvram_size);
3290 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3291 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3292 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3293 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3294 nv->exchange_count = __constant_cpu_to_le16(0);
3295 nv->hard_address = __constant_cpu_to_le16(124);
3296 nv->port_name[0] = 0x21;
3297 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3298 nv->port_name[2] = 0x00;
3299 nv->port_name[3] = 0xe0;
3300 nv->port_name[4] = 0x8b;
3301 nv->port_name[5] = 0x1c;
3302 nv->port_name[6] = 0x55;
3303 nv->port_name[7] = 0x86;
3304 nv->node_name[0] = 0x20;
3305 nv->node_name[1] = 0x00;
3306 nv->node_name[2] = 0x00;
3307 nv->node_name[3] = 0xe0;
3308 nv->node_name[4] = 0x8b;
3309 nv->node_name[5] = 0x1c;
3310 nv->node_name[6] = 0x55;
3311 nv->node_name[7] = 0x86;
3312 nv->login_retry_count = __constant_cpu_to_le16(8);
3313 nv->link_down_timeout = __constant_cpu_to_le16(200);
3314 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3315 nv->login_timeout = __constant_cpu_to_le16(0);
3316 nv->firmware_options_1 =
3317 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3318 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3319 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3320 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3321 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3322 nv->efi_parameters = __constant_cpu_to_le32(0);
3323 nv->reset_delay = 5;
3324 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3325 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3326 nv->link_down_timeout = __constant_cpu_to_le16(30);
3327
3328 rval = 1;
3329 }
3330
3331 /* Reset Initialization control block */
3332 memset(icb, 0, sizeof(struct init_cb_24xx));
3333
3334 /* Copy 1st segment. */
3335 dptr1 = (uint8_t *)icb;
3336 dptr2 = (uint8_t *)&nv->version;
3337 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3338 while (cnt--)
3339 *dptr1++ = *dptr2++;
3340
3341 icb->login_retry_count = nv->login_retry_count;
3342 icb->link_down_timeout = nv->link_down_timeout;
3343
3344 /* Copy 2nd segment. */
3345 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3346 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3347 cnt = (uint8_t *)&icb->reserved_3 -
3348 (uint8_t *)&icb->interrupt_delay_timer;
3349 while (cnt--)
3350 *dptr1++ = *dptr2++;
3351
3352 /*
3353 * Setup driver NVRAM options.
3354 */
3355 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3356 char *st, *en;
3357 uint16_t index;
3358
3359 strncpy(ha->model_number, nv->model_name,
3360 sizeof(nv->model_name));
3361 st = en = ha->model_number;
3362 en += sizeof(nv->model_name) - 1;
3363 while (en > st) {
3364 if (*en != 0x20 && *en != 0x00)
3365 break;
3366 *en-- = '\0';
3367 }
3368
3369 index = (ha->pdev->subsystem_device & 0xff);
3370 if (index < QLA_MODEL_NAMES)
3371 ha->model_desc = qla2x00_model_desc[index];
3372 } else
3373 strcpy(ha->model_number, "QLA2462");
3374
3375 /* Prepare nodename */
3376 if ((icb->firmware_options_1 & BIT_14) == 0) {
3377 /*
3378 * Firmware will apply the following mask if the nodename was
3379 * not provided.
3380 */
3381 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3382 icb->node_name[0] &= 0xF0;
3383 }
3384
3385 /* Set host adapter parameters. */
3386 ha->flags.disable_risc_code_load = 0;
3387 ha->flags.enable_lip_reset = 1;
3388 ha->flags.enable_lip_full_login = 1;
3389 ha->flags.enable_target_reset = 1;
3390 ha->flags.enable_led_scheme = 0;
3391
3392 ha->operating_mode =
3393 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3394
3395 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3396 sizeof(ha->fw_seriallink_options24));
3397
3398 /* save HBA serial number */
3399 ha->serial0 = icb->port_name[5];
3400 ha->serial1 = icb->port_name[6];
3401 ha->serial2 = icb->port_name[7];
3402 ha->node_name = icb->node_name;
3403 ha->port_name = icb->port_name;
3404
3405 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3406
3407 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3408
3409 /* Set minimum login_timeout to 4 seconds. */
3410 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3411 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3412 if (le16_to_cpu(nv->login_timeout) < 4)
3413 nv->login_timeout = __constant_cpu_to_le16(4);
3414 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3415 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3416
3417 /* Set minimum RATOV to 200 tenths of a second. */
3418 ha->r_a_tov = 200;
3419
3420 ha->loop_reset_delay = nv->reset_delay;
3421
3422 /* Link Down Timeout = 0:
3423 *
3424 * When Port Down timer expires we will start returning
3425 * I/O's to OS with "DID_NO_CONNECT".
3426 *
3427 * Link Down Timeout != 0:
3428 *
3429 * The driver waits for the link to come up after link down
3430 * before returning I/Os to OS with "DID_NO_CONNECT".
3431 */
3432 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3433 ha->loop_down_abort_time =
3434 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3435 } else {
3436 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3437 ha->loop_down_abort_time =
3438 (LOOP_DOWN_TIME - ha->link_down_timeout);
3439 }
3440
3441 /* Need enough time to try and get the port back. */
3442 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3443 if (qlport_down_retry)
3444 ha->port_down_retry_count = qlport_down_retry;
3445
3446 /* Set login_retry_count */
3447 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3448 if (ha->port_down_retry_count ==
3449 le16_to_cpu(nv->port_down_retry_count) &&
3450 ha->port_down_retry_count > 3)
3451 ha->login_retry_count = ha->port_down_retry_count;
3452 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3453 ha->login_retry_count = ha->port_down_retry_count;
3454 if (ql2xloginretrycount)
3455 ha->login_retry_count = ql2xloginretrycount;
3456
3457 /* Enable ZIO. */
3458 if (!ha->flags.init_done) {
3459 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3460 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3461 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3462 le16_to_cpu(icb->interrupt_delay_timer): 2;
3463 }
3464 icb->firmware_options_2 &= __constant_cpu_to_le32(
3465 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3466 ha->flags.process_response_queue = 0;
3467 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3468 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3469 "(%d us).\n", ha->host_no, ha->zio_mode,
3470 ha->zio_timer * 100));
3471 qla_printk(KERN_INFO, ha,
3472 "ZIO mode %d enabled; timer delay (%d us).\n",
3473 ha->zio_mode, ha->zio_timer * 100);
3474
3475 icb->firmware_options_2 |= cpu_to_le32(
3476 (uint32_t)ha->zio_mode);
3477 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3478 ha->flags.process_response_queue = 1;
3479 }
3480
3481 if (rval) {
3482 DEBUG2_3(printk(KERN_WARNING
3483 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3484 }
3485 return (rval);
3486 }
3487
3488 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
3489
3490 int
3491 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3492 {
3493 int rval, num, i;
3494 uint32_t cnt;
3495 uint16_t *risc_code;
3496 uint32_t risc_addr, risc_size;
3497 uint16_t *req_ring;
3498 struct qla_fw_info *fw_iter;
3499
3500 rval = QLA_SUCCESS;
3501
3502 /* Load firmware sequences */
3503 fw_iter = ha->brd_info->fw_info;
3504 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3505 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3506 risc_code = fw_iter->fwcode;
3507 risc_size = *fw_iter->fwlen;
3508 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
3509 risc_addr = *fw_iter->fwstart;
3510 else
3511 risc_addr = *fw_iter->lfwstart;
3512
3513 num = 0;
3514 rval = 0;
3515 while (risc_size > 0 && !rval) {
3516 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3517 if (cnt > risc_size)
3518 cnt = risc_size;
3519
3520 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3521 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3522 ha->host_no, risc_code, cnt, risc_addr));
3523
3524 req_ring = (uint16_t *)ha->request_ring;
3525 for (i = 0; i < cnt; i++)
3526 req_ring[i] = cpu_to_le16(risc_code[i]);
3527
3528 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3529 cnt);
3530 if (rval) {
3531 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3532 "load segment %d of firmware\n",
3533 ha->host_no, num));
3534 qla_printk(KERN_WARNING, ha,
3535 "[ERROR] Failed to load segment %d of "
3536 "firmware\n", num);
3537
3538 qla2x00_dump_regs(ha);
3539 break;
3540 }
3541
3542 risc_code += cnt;
3543 risc_addr += cnt;
3544 risc_size -= cnt;
3545 num++;
3546 }
3547
3548 /* Next firmware sequence */
3549 fw_iter++;
3550 }
3551 return rval;
3552 }
3553
3554 int
3555 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3556 {
3557 int rval, num, i;
3558 uint32_t cnt;
3559 uint32_t *risc_code;
3560 uint32_t risc_addr, risc_size;
3561 uint32_t *req_ring;
3562 struct qla_fw_info *fw_iter;
3563
3564 rval = QLA_SUCCESS;
3565
3566 /* Load firmware sequences */
3567 fw_iter = ha->brd_info->fw_info;
3568 *srisc_addr = *((uint32_t *)fw_iter->lfwstart);
3569 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3570 risc_code = (uint32_t *)fw_iter->fwcode;
3571 risc_size = *((uint32_t *)fw_iter->fwlen);
3572 risc_addr = *((uint32_t *)fw_iter->lfwstart);
3573
3574 num = 0;
3575 rval = 0;
3576 while (risc_size > 0 && !rval) {
3577 cnt = (uint32_t)(ha->fw_transfer_size >> 2);
3578 if (cnt > risc_size)
3579 cnt = risc_size;
3580
3581 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3582 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3583 ha->host_no, risc_code, cnt, risc_addr));
3584
3585 req_ring = (uint32_t *)ha->request_ring;
3586 for (i = 0; i < cnt; i++)
3587 req_ring[i] = cpu_to_le32(risc_code[i]);
3588
3589 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3590 cnt);
3591 if (rval) {
3592 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3593 "load segment %d of firmware\n",
3594 ha->host_no, num));
3595 qla_printk(KERN_WARNING, ha,
3596 "[ERROR] Failed to load segment %d of "
3597 "firmware\n", num);
3598
3599 qla2x00_dump_regs(ha);
3600 break;
3601 }
3602
3603 risc_code += cnt;
3604 risc_addr += cnt;
3605 risc_size -= cnt;
3606 num++;
3607 }
3608
3609 /* Next firmware sequence */
3610 fw_iter++;
3611 }
3612 return rval;
3613 }
3614
3615 int
3616 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3617 {
3618 int rval;
3619 int segments, fragment;
3620 uint32_t faddr;
3621 uint32_t *dcode, dlen;
3622 uint32_t risc_addr;
3623 uint32_t risc_size;
3624 uint32_t i;
3625
3626 rval = QLA_SUCCESS;
3627
3628 segments = FA_RISC_CODE_SEGMENTS;
3629 faddr = FA_RISC_CODE_ADDR;
3630 dcode = (uint32_t *)ha->request_ring;
3631 *srisc_addr = 0;
3632
3633 /* Validate firmware image by checking version. */
3634 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3635 for (i = 0; i < 4; i++)
3636 dcode[i] = be32_to_cpu(dcode[i]);
3637 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3638 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3639 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3640 dcode[3] == 0)) {
3641 qla_printk(KERN_WARNING, ha,
3642 "Unable to verify integrity of flash firmware image!\n");
3643 qla_printk(KERN_WARNING, ha,
3644 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3645 dcode[1], dcode[2], dcode[3]);
3646
3647 return QLA_FUNCTION_FAILED;
3648 }
3649
3650 while (segments && rval == QLA_SUCCESS) {
3651 /* Read segment's load information. */
3652 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3653
3654 risc_addr = be32_to_cpu(dcode[2]);
3655 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3656 risc_size = be32_to_cpu(dcode[3]);
3657
3658 fragment = 0;
3659 while (risc_size > 0 && rval == QLA_SUCCESS) {
3660 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3661 if (dlen > risc_size)
3662 dlen = risc_size;
3663
3664 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3665 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3666 ha->host_no, risc_addr, dlen, faddr));
3667
3668 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3669 for (i = 0; i < dlen; i++)
3670 dcode[i] = swab32(dcode[i]);
3671
3672 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3673 dlen);
3674 if (rval) {
3675 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3676 "segment %d of firmware\n", ha->host_no,
3677 fragment));
3678 qla_printk(KERN_WARNING, ha,
3679 "[ERROR] Failed to load segment %d of "
3680 "firmware\n", fragment);
3681 break;
3682 }
3683
3684 faddr += dlen;
3685 risc_addr += dlen;
3686 risc_size -= dlen;
3687 fragment++;
3688 }
3689
3690 /* Next segment. */
3691 segments--;
3692 }
3693
3694 return rval;
3695 }
3696
3697 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
3698
3699 int
3700 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3701 {
3702 int rval;
3703 int i, fragment;
3704 uint16_t *wcode, *fwcode;
3705 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3706 struct fw_blob *blob;
3707
3708 /* Load firmware blob. */
3709 blob = qla2x00_request_firmware(ha);
3710 if (!blob) {
3711 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3712 return QLA_FUNCTION_FAILED;
3713 }
3714
3715 rval = QLA_SUCCESS;
3716
3717 wcode = (uint16_t *)ha->request_ring;
3718 *srisc_addr = 0;
3719 fwcode = (uint16_t *)blob->fw->data;
3720 fwclen = 0;
3721
3722 /* Validate firmware image by checking version. */
3723 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3724 qla_printk(KERN_WARNING, ha,
3725 "Unable to verify integrity of firmware image (%Zd)!\n",
3726 blob->fw->size);
3727 goto fail_fw_integrity;
3728 }
3729 for (i = 0; i < 4; i++)
3730 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3731 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3732 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3733 wcode[2] == 0 && wcode[3] == 0)) {
3734 qla_printk(KERN_WARNING, ha,
3735 "Unable to verify integrity of firmware image!\n");
3736 qla_printk(KERN_WARNING, ha,
3737 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3738 wcode[1], wcode[2], wcode[3]);
3739 goto fail_fw_integrity;
3740 }
3741
3742 seg = blob->segs;
3743 while (*seg && rval == QLA_SUCCESS) {
3744 risc_addr = *seg;
3745 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3746 risc_size = be16_to_cpu(fwcode[3]);
3747
3748 /* Validate firmware image size. */
3749 fwclen += risc_size * sizeof(uint16_t);
3750 if (blob->fw->size < fwclen) {
3751 qla_printk(KERN_WARNING, ha,
3752 "Unable to verify integrity of firmware image "
3753 "(%Zd)!\n", blob->fw->size);
3754 goto fail_fw_integrity;
3755 }
3756
3757 fragment = 0;
3758 while (risc_size > 0 && rval == QLA_SUCCESS) {
3759 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3760 if (wlen > risc_size)
3761 wlen = risc_size;
3762
3763 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3764 "addr %x, number of words 0x%x.\n", ha->host_no,
3765 risc_addr, wlen));
3766
3767 for (i = 0; i < wlen; i++)
3768 wcode[i] = swab16(fwcode[i]);
3769
3770 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3771 wlen);
3772 if (rval) {
3773 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3774 "segment %d of firmware\n", ha->host_no,
3775 fragment));
3776 qla_printk(KERN_WARNING, ha,
3777 "[ERROR] Failed to load segment %d of "
3778 "firmware\n", fragment);
3779 break;
3780 }
3781
3782 fwcode += wlen;
3783 risc_addr += wlen;
3784 risc_size -= wlen;
3785 fragment++;
3786 }
3787
3788 /* Next segment. */
3789 seg++;
3790 }
3791 return rval;
3792
3793 fail_fw_integrity:
3794 return QLA_FUNCTION_FAILED;
3795 }
3796
3797 int
3798 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3799 {
3800 int rval;
3801 int segments, fragment;
3802 uint32_t *dcode, dlen;
3803 uint32_t risc_addr;
3804 uint32_t risc_size;
3805 uint32_t i;
3806 struct fw_blob *blob;
3807 uint32_t *fwcode, fwclen;
3808
3809 /* Load firmware blob. */
3810 blob = qla2x00_request_firmware(ha);
3811 if (!blob) {
3812 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3813 return QLA_FUNCTION_FAILED;
3814 }
3815
3816 rval = QLA_SUCCESS;
3817
3818 segments = FA_RISC_CODE_SEGMENTS;
3819 dcode = (uint32_t *)ha->request_ring;
3820 *srisc_addr = 0;
3821 fwcode = (uint32_t *)blob->fw->data;
3822 fwclen = 0;
3823
3824 /* Validate firmware image by checking version. */
3825 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3826 qla_printk(KERN_WARNING, ha,
3827 "Unable to verify integrity of firmware image (%Zd)!\n",
3828 blob->fw->size);
3829 goto fail_fw_integrity;
3830 }
3831 for (i = 0; i < 4; i++)
3832 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3833 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3834 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3835 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3836 dcode[3] == 0)) {
3837 qla_printk(KERN_WARNING, ha,
3838 "Unable to verify integrity of firmware image!\n");
3839 qla_printk(KERN_WARNING, ha,
3840 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3841 dcode[1], dcode[2], dcode[3]);
3842 goto fail_fw_integrity;
3843 }
3844
3845 while (segments && rval == QLA_SUCCESS) {
3846 risc_addr = be32_to_cpu(fwcode[2]);
3847 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3848 risc_size = be32_to_cpu(fwcode[3]);
3849
3850 /* Validate firmware image size. */
3851 fwclen += risc_size * sizeof(uint32_t);
3852 if (blob->fw->size < fwclen) {
3853 qla_printk(KERN_WARNING, ha,
3854 "Unable to verify integrity of firmware image "
3855 "(%Zd)!\n", blob->fw->size);
3856
3857 goto fail_fw_integrity;
3858 }
3859
3860 fragment = 0;
3861 while (risc_size > 0 && rval == QLA_SUCCESS) {
3862 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3863 if (dlen > risc_size)
3864 dlen = risc_size;
3865
3866 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3867 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3868 risc_addr, dlen));
3869
3870 for (i = 0; i < dlen; i++)
3871 dcode[i] = swab32(fwcode[i]);
3872
3873 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3874 dlen);
3875 if (rval) {
3876 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3877 "segment %d of firmware\n", ha->host_no,
3878 fragment));
3879 qla_printk(KERN_WARNING, ha,
3880 "[ERROR] Failed to load segment %d of "
3881 "firmware\n", fragment);
3882 break;
3883 }
3884
3885 fwcode += dlen;
3886 risc_addr += dlen;
3887 risc_size -= dlen;
3888 fragment++;
3889 }
3890
3891 /* Next segment. */
3892 segments--;
3893 }
3894 return rval;
3895
3896 fail_fw_integrity:
3897 return QLA_FUNCTION_FAILED;
3898 }
3899 #endif
Support for the Chinese Samsung S3C2440 based development boards