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[SCSI] qla2xxx: Correct issue where portstate does not transition during loop-resync.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
8482e118 11#include <scsi/scsi_transport_fc.h>
1da177e4
LT		 12
13#include "qla_devtbl.h"
14
15/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
16#ifndef EXT_IS_LUN_BIT_SET
17#define EXT_IS_LUN_BIT_SET(P,L) \
18 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
19#define EXT_SET_LUN_BIT(P,L) \
20 ((P)->mask[L/8] |= (0x80 >> (L%8)))
21#endif
22
23/*
24* QLogic ISP2x00 Hardware Support Function Prototypes.
25*/
1da177e4 26static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 27static void qla2x00_resize_request_q(scsi_qla_host_t *);
28static int qla2x00_setup_chip(scsi_qla_host_t *);
29static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
30static int qla2x00_init_rings(scsi_qla_host_t *);
31static int qla2x00_fw_ready(scsi_qla_host_t *);
32static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 33static int qla2x00_configure_loop(scsi_qla_host_t *);
34static int qla2x00_configure_local_loop(scsi_qla_host_t *);
35static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
1da177e4
LT		 36static int qla2x00_configure_fabric(scsi_qla_host_t *);
37static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
38static int qla2x00_device_resync(scsi_qla_host_t *);
39static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
40 uint16_t *);
1da177e4
LT		 41
42static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4
LT		 43
44/****************************************************************************/
45/* QLogic ISP2x00 Hardware Support Functions. */
46/****************************************************************************/
47
48/*
49* qla2x00_initialize_adapter
50* Initialize board.
51*
52* Input:
53* ha = adapter block pointer.
54*
55* Returns:
56* 0 = success
57*/
58int
59qla2x00_initialize_adapter(scsi_qla_host_t *ha)
60{
61 int rval;
62 uint8_t restart_risc = 0;
63 uint8_t retry;
64 uint32_t wait_time;
65
66 /* Clear adapter flags. */
67 ha->flags.online = 0;
68 ha->flags.reset_active = 0;
69 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
70 atomic_set(&ha->loop_state, LOOP_DOWN);
71 ha->device_flags = 0;
1da177e4 72 ha->dpc_flags = 0;
1da177e4
LT		 73 ha->flags.management_server_logged_in = 0;
74 ha->marker_needed = 0;
75 ha->mbx_flags = 0;
76 ha->isp_abort_cnt = 0;
77 ha->beacon_blink_led = 0;
cca5335c 78 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 79
0107109e 80 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 81 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 82 if (rval) {
83 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
84 ha->host_no));
85 return (rval);
86 }
87
abbd8870 88 ha->isp_ops.reset_chip(ha);
1da177e4 89
1da177e4 90 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 91
abbd8870 92 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 93
94 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
95
96 retry = 10;
97 /*
98 * Try to configure the loop.
99 */
100 do {
101 restart_risc = 0;
102
103 /* If firmware needs to be loaded */
104 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 105 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 106 rval = qla2x00_setup_chip(ha);
107 }
108 }
109
110 if (rval == QLA_SUCCESS &&
111 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
112check_fw_ready_again:
113 /*
fa2a1ce5 114 * Wait for a successful LIP up to a maximum
1da177e4
LT		 115 * of (in seconds): RISC login timeout value,
116 * RISC retry count value, and port down retry
fa2a1ce5 117 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 118 * cable, only 5 seconds.
119 */
120 rval = qla2x00_fw_ready(ha);
121 if (rval == QLA_SUCCESS) {
122 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
123
0107109e
AV		 124 /* Issue a marker after FW becomes ready. */
125 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
126
1da177e4
LT		 127 /*
128 * Wait at most MAX_TARGET RSCNs for a stable
129 * link.
130 */
131 wait_time = 256;
132 do {
133 clear_bit(LOOP_RESYNC_NEEDED,
134 &ha->dpc_flags);
135 rval = qla2x00_configure_loop(ha);
136
137 if (test_and_clear_bit(ISP_ABORT_NEEDED,
138 &ha->dpc_flags)) {
139 restart_risc = 1;
140 break;
141 }
142
143 /*
144 * If loop state change while we were
145 * discoverying devices then wait for
146 * LIP to complete
147 */
148
33135aa2
RA		 149 if (atomic_read(&ha->loop_state) !=
150 LOOP_READY && retry--) {
1da177e4
LT		 151 goto check_fw_ready_again;
152 }
153 wait_time--;
154 } while (!atomic_read(&ha->loop_down_timer) &&
155 retry &&
156 wait_time &&
157 (test_bit(LOOP_RESYNC_NEEDED,
158 &ha->dpc_flags)));
159
160 if (wait_time == 0)
161 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 162 } else if (ha->device_flags & DFLG_NO_CABLE)
163 /* If no cable, then all is good. */
164 rval = QLA_SUCCESS;
165 }
166 } while (restart_risc && retry--);
167
168 if (rval == QLA_SUCCESS) {
169 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 170 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
171 ha->marker_needed = 0;
172
173 ha->flags.online = 1;
174 } else {
175 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
176 }
177
178 return (rval);
179}
180
181/**
abbd8870 182 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 183 * @ha: HA context
184 *
185 * Returns 0 on success.
186 */
abbd8870
AV		 187int
188qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 189{
abbd8870 190 uint16_t w, mwi;
27b2f679 191 uint32_t d;
abbd8870 192 unsigned long flags;
3d71644c 193 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 194
1da177e4
LT		 195 pci_set_master(ha->pdev);
196 mwi = 0;
197 if (pci_set_mwi(ha->pdev))
198 mwi = PCI_COMMAND_INVALIDATE;
199 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
200
1da177e4
LT		 201 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
202 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 203 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
204
205 /* Reset expansion ROM address decode enable */
27b2f679
AK		 206 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
207 d &= ~PCI_ROM_ADDRESS_ENABLE;
208 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 209
210 /* Get PCI bus information. */
211 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 212 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 213 spin_unlock_irqrestore(&ha->hardware_lock, flags);
214
abbd8870
AV		 215 return QLA_SUCCESS;
216}
1da177e4 217
abbd8870
AV		 218/**
219 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
220 * @ha: HA context
221 *
222 * Returns 0 on success.
223 */
224int
225qla2300_pci_config(scsi_qla_host_t *ha)
226{
227 uint16_t w, mwi;
27b2f679 228 uint32_t d;
abbd8870
AV		 229 unsigned long flags = 0;
230 uint32_t cnt;
3d71644c 231 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 232
abbd8870
AV		 233 pci_set_master(ha->pdev);
234 mwi = 0;
235 if (pci_set_mwi(ha->pdev))
236 mwi = PCI_COMMAND_INVALIDATE;
237 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
1da177e4 238
abbd8870
AV		 239 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
240 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 241
abbd8870
AV		 242 if (IS_QLA2322(ha) || IS_QLA6322(ha))
243 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 244
abbd8870
AV		 245 /*
246 * If this is a 2300 card and not 2312, reset the
247 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
248 * the 2310 also reports itself as a 2300 so we need to get the
249 * fb revision level -- a 6 indicates it really is a 2300 and
250 * not a 2310.
251 */
252 if (IS_QLA2300(ha)) {
253 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 254
abbd8870 255 /* Pause RISC. */
3d71644c 256 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 257 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 258 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 259 break;
1da177e4 260
abbd8870
AV		 261 udelay(10);
262 }
1da177e4 263
abbd8870 264 /* Select FPM registers. */
3d71644c
AV		 265 WRT_REG_WORD(&reg->ctrl_status, 0x20);
266 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 267
268 /* Get the fb rev level */
3d71644c 269 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 270
271 if (ha->fb_rev == FPM_2300)
272 w &= ~PCI_COMMAND_INVALIDATE;
273
274 /* Deselect FPM registers. */
3d71644c
AV		 275 WRT_REG_WORD(&reg->ctrl_status, 0x0);
276 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 277
278 /* Release RISC module. */
3d71644c 279 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 280 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 281 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 282 break;
283
284 udelay(10);
1da177e4 285 }
1da177e4 286
abbd8870
AV		 287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
288 }
1da177e4
LT		 289 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
290
abbd8870
AV		 291 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
292
1da177e4 293 /* Reset expansion ROM address decode enable */
27b2f679
AK		 294 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
295 d &= ~PCI_ROM_ADDRESS_ENABLE;
296 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 297
abbd8870
AV		 298 /* Get PCI bus information. */
299 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 300 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 301 spin_unlock_irqrestore(&ha->hardware_lock, flags);
302
303 return QLA_SUCCESS;
1da177e4
LT		 304}
305
0107109e
AV		 306/**
307 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
308 * @ha: HA context
309 *
310 * Returns 0 on success.
311 */
312int
313qla24xx_pci_config(scsi_qla_host_t *ha)
314{
315 uint16_t w, mwi;
27b2f679 316 uint32_t d;
0107109e
AV		 317 unsigned long flags = 0;
318 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
319 int pcix_cmd_reg, pcie_dctl_reg;
320
321 pci_set_master(ha->pdev);
322 mwi = 0;
323 if (pci_set_mwi(ha->pdev))
324 mwi = PCI_COMMAND_INVALIDATE;
325 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
326
327 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
328 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
329 w &= ~PCI_COMMAND_INTX_DISABLE;
330 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
331
332 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
333
334 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
335 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
336 if (pcix_cmd_reg) {
337 uint16_t pcix_cmd;
338
339 pcix_cmd_reg += PCI_X_CMD;
340 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
341 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
342 pcix_cmd |= 0x0008;
343 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
344 }
345
346 /* PCIe -- adjust Maximum Read Request Size (2048). */
347 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
348 if (pcie_dctl_reg) {
349 uint16_t pcie_dctl;
350
351 pcie_dctl_reg += PCI_EXP_DEVCTL;
352 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
353 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
354 pcie_dctl |= 0x4000;
355 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
356 }
357
358 /* Reset expansion ROM address decode enable */
27b2f679
AK		 359 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
360 d &= ~PCI_ROM_ADDRESS_ENABLE;
361 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 362
363 /* Get PCI bus information. */
364 spin_lock_irqsave(&ha->hardware_lock, flags);
365 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
366 spin_unlock_irqrestore(&ha->hardware_lock, flags);
367
368 return QLA_SUCCESS;
369}
370
1da177e4
LT		 371/**
372 * qla2x00_isp_firmware() - Choose firmware image.
373 * @ha: HA context
374 *
375 * Returns 0 on success.
376 */
377static int
378qla2x00_isp_firmware(scsi_qla_host_t *ha)
379{
380 int rval;
381
382 /* Assume loading risc code */
fa2a1ce5 383 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 384
385 if (ha->flags.disable_risc_code_load) {
386 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
387 ha->host_no));
388 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
389
390 /* Verify checksum of loaded RISC code. */
1c7c6357
AV		 391 rval = qla2x00_verify_checksum(ha,
392 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
393 *ha->brd_info->fw_info[0].fwstart);
1da177e4
LT		 394 }
395
396 if (rval) {
397 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
398 ha->host_no));
399 }
400
401 return (rval);
402}
403
404/**
405 * qla2x00_reset_chip() - Reset ISP chip.
406 * @ha: HA context
407 *
408 * Returns 0 on success.
409 */
abbd8870 410void
fa2a1ce5 411qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 412{
413 unsigned long flags = 0;
3d71644c 414 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 415 uint32_t cnt;
416 unsigned long mbx_flags = 0;
417 uint16_t cmd;
418
abbd8870 419 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 420
421 spin_lock_irqsave(&ha->hardware_lock, flags);
422
423 /* Turn off master enable */
424 cmd = 0;
425 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
426 cmd &= ~PCI_COMMAND_MASTER;
427 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
428
429 if (!IS_QLA2100(ha)) {
430 /* Pause RISC. */
431 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
432 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
433 for (cnt = 0; cnt < 30000; cnt++) {
434 if ((RD_REG_WORD(&reg->hccr) &
435 HCCR_RISC_PAUSE) != 0)
436 break;
437 udelay(100);
438 }
439 } else {
440 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
441 udelay(10);
442 }
443
444 /* Select FPM registers. */
445 WRT_REG_WORD(&reg->ctrl_status, 0x20);
446 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
447
448 /* FPM Soft Reset. */
449 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
450 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
451
452 /* Toggle Fpm Reset. */
453 if (!IS_QLA2200(ha)) {
454 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
455 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
456 }
457
458 /* Select frame buffer registers. */
459 WRT_REG_WORD(&reg->ctrl_status, 0x10);
460 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
461
462 /* Reset frame buffer FIFOs. */
463 if (IS_QLA2200(ha)) {
464 WRT_FB_CMD_REG(ha, reg, 0xa000);
465 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
466 } else {
467 WRT_FB_CMD_REG(ha, reg, 0x00fc);
468
469 /* Read back fb_cmd until zero or 3 seconds max */
470 for (cnt = 0; cnt < 3000; cnt++) {
471 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
472 break;
473 udelay(100);
474 }
475 }
476
477 /* Select RISC module registers. */
478 WRT_REG_WORD(&reg->ctrl_status, 0);
479 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
480
481 /* Reset RISC processor. */
482 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
483 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
484
485 /* Release RISC processor. */
486 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
487 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
488 }
489
490 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
491 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
492
493 /* Reset ISP chip. */
494 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
495
496 /* Wait for RISC to recover from reset. */
497 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
498 /*
499 * It is necessary to for a delay here since the card doesn't
500 * respond to PCI reads during a reset. On some architectures
501 * this will result in an MCA.
502 */
503 udelay(20);
504 for (cnt = 30000; cnt; cnt--) {
505 if ((RD_REG_WORD(&reg->ctrl_status) &
506 CSR_ISP_SOFT_RESET) == 0)
507 break;
508 udelay(100);
509 }
510 } else
511 udelay(10);
512
513 /* Reset RISC processor. */
514 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
515
516 WRT_REG_WORD(&reg->semaphore, 0);
517
518 /* Release RISC processor. */
519 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
520 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
521
522 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
523 for (cnt = 0; cnt < 30000; cnt++) {
524 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
525 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
526
527 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
528 if (!(test_bit(ABORT_ISP_ACTIVE,
529 &ha->dpc_flags)))
530 spin_unlock_irqrestore(
531 &ha->mbx_reg_lock, mbx_flags);
532 break;
533 }
534
535 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
536 spin_unlock_irqrestore(&ha->mbx_reg_lock,
537 mbx_flags);
538
539 udelay(100);
540 }
541 } else
542 udelay(100);
543
544 /* Turn on master enable */
545 cmd |= PCI_COMMAND_MASTER;
546 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
547
548 /* Disable RISC pause on FPM parity error. */
549 if (!IS_QLA2100(ha)) {
550 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
551 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
552 }
553
554 spin_unlock_irqrestore(&ha->hardware_lock, flags);
555}
556
0107109e 557/**
88c26663 558 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 559 * @ha: HA context
560 *
561 * Returns 0 on success.
562 */
88c26663
AV		 563static inline void
564qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 565{
566 unsigned long flags = 0;
567 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
568 uint32_t cnt, d2;
335a1cc9 569 uint16_t wd;
0107109e 570
0107109e
AV		 571 spin_lock_irqsave(&ha->hardware_lock, flags);
572
573 /* Reset RISC. */
574 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
575 for (cnt = 0; cnt < 30000; cnt++) {
576 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
577 break;
578
579 udelay(10);
580 }
581
582 WRT_REG_DWORD(&reg->ctrl_status,
583 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 584 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 585
335a1cc9 586 udelay(100);
88c26663 587 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 588 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
589 for (cnt = 10000 ; cnt && d2; cnt--) {
590 udelay(5);
591 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
592 barrier();
593 }
594
335a1cc9 595 /* Wait for soft-reset to complete. */
0107109e
AV		 596 d2 = RD_REG_DWORD(&reg->ctrl_status);
597 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
598 udelay(5);
599 d2 = RD_REG_DWORD(&reg->ctrl_status);
600 barrier();
601 }
602
603 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
604 RD_REG_DWORD(&reg->hccr);
605
606 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
607 RD_REG_DWORD(&reg->hccr);
608
609 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
610 RD_REG_DWORD(&reg->hccr);
611
612 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
613 for (cnt = 6000000 ; cnt && d2; cnt--) {
614 udelay(5);
615 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
616 barrier();
617 }
618
619 spin_unlock_irqrestore(&ha->hardware_lock, flags);
620}
621
88c26663
AV		 622/**
623 * qla24xx_reset_chip() - Reset ISP24xx chip.
624 * @ha: HA context
625 *
626 * Returns 0 on success.
627 */
628void
629qla24xx_reset_chip(scsi_qla_host_t *ha)
630{
631 ha->isp_ops.disable_intrs(ha);
632
633 /* Perform RISC reset. */
634 qla24xx_reset_risc(ha);
635}
636
1da177e4
LT		 637/**
638 * qla2x00_chip_diag() - Test chip for proper operation.
639 * @ha: HA context
640 *
641 * Returns 0 on success.
642 */
abbd8870 643int
1da177e4
LT		 644qla2x00_chip_diag(scsi_qla_host_t *ha)
645{
646 int rval;
3d71644c 647 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 648 unsigned long flags = 0;
649 uint16_t data;
650 uint32_t cnt;
651 uint16_t mb[5];
652
653 /* Assume a failed state */
654 rval = QLA_FUNCTION_FAILED;
655
656 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
657 ha->host_no, (u_long)&reg->flash_address));
658
659 spin_lock_irqsave(&ha->hardware_lock, flags);
660
661 /* Reset ISP chip. */
662 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
663
664 /*
665 * We need to have a delay here since the card will not respond while
666 * in reset causing an MCA on some architectures.
667 */
668 udelay(20);
669 data = qla2x00_debounce_register(&reg->ctrl_status);
670 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
671 udelay(5);
672 data = RD_REG_WORD(&reg->ctrl_status);
673 barrier();
674 }
675
676 if (!cnt)
677 goto chip_diag_failed;
678
679 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
680 ha->host_no));
681
682 /* Reset RISC processor. */
683 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
685
686 /* Workaround for QLA2312 PCI parity error */
687 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
688 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
689 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
690 udelay(5);
691 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 692 barrier();
1da177e4
LT		 693 }
694 } else
695 udelay(10);
696
697 if (!cnt)
698 goto chip_diag_failed;
699
700 /* Check product ID of chip */
701 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
702
703 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
704 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
705 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
706 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
707 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
708 mb[3] != PROD_ID_3) {
709 qla_printk(KERN_WARNING, ha,
710 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
711
712 goto chip_diag_failed;
713 }
714 ha->product_id[0] = mb[1];
715 ha->product_id[1] = mb[2];
716 ha->product_id[2] = mb[3];
717 ha->product_id[3] = mb[4];
718
719 /* Adjust fw RISC transfer size */
720 if (ha->request_q_length > 1024)
721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
722 else
723 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
724 ha->request_q_length;
725
726 if (IS_QLA2200(ha) &&
727 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
728 /* Limit firmware transfer size with a 2200A */
729 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
730 ha->host_no));
731
732 ha->fw_transfer_size = 128;
733 }
734
735 /* Wrap Incoming Mailboxes Test. */
736 spin_unlock_irqrestore(&ha->hardware_lock, flags);
737
738 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
739 rval = qla2x00_mbx_reg_test(ha);
740 if (rval) {
741 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
742 ha->host_no));
743 qla_printk(KERN_WARNING, ha,
744 "Failed mailbox send register test\n");
745 }
746 else {
747 /* Flag a successful rval */
748 rval = QLA_SUCCESS;
749 }
750 spin_lock_irqsave(&ha->hardware_lock, flags);
751
752chip_diag_failed:
753 if (rval)
754 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
755 "****\n", ha->host_no));
756
757 spin_unlock_irqrestore(&ha->hardware_lock, flags);
758
759 return (rval);
760}
761
0107109e
AV		 762/**
763 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
764 * @ha: HA context
765 *
766 * Returns 0 on success.
767 */
768int
769qla24xx_chip_diag(scsi_qla_host_t *ha)
770{
771 int rval;
0107109e 772
88c26663
AV		 773 /* Perform RISC reset. */
774 qla24xx_reset_risc(ha);
0107109e
AV		 775
776 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
777
778 rval = qla2x00_mbx_reg_test(ha);
779 if (rval) {
780 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
781 ha->host_no));
782 qla_printk(KERN_WARNING, ha,
783 "Failed mailbox send register test\n");
784 } else {
785 /* Flag a successful rval */
786 rval = QLA_SUCCESS;
787 }
788
789 return rval;
790}
791
792static void
793qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
794{
795 ha->fw_dumped = 0;
796 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
797 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
798 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
799 if (ha->fw_dump24)
800 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
801 "dump...\n", ha->fw_dump24_len / 1024);
802 else
803 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
804 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
805}
806
1da177e4
LT		 807/**
808 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
809 * @ha: HA context
810 *
811 * Returns 0 on success.
812 */
813static void
814qla2x00_resize_request_q(scsi_qla_host_t *ha)
815{
816 int rval;
817 uint16_t fw_iocb_cnt = 0;
818 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
819 dma_addr_t request_dma;
820 request_t *request_ring;
821
822 /* Valid only on recent ISPs. */
823 if (IS_QLA2100(ha) || IS_QLA2200(ha))
824 return;
825
0107109e
AV		 826 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
827 qla2x00_alloc_fw_dump(ha);
828
1da177e4
LT		 829 /* Retrieve IOCB counts available to the firmware. */
830 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
831 if (rval)
832 return;
833 /* No point in continuing if current settings are sufficient. */
834 if (fw_iocb_cnt < 1024)
835 return;
836 if (ha->request_q_length >= request_q_length)
837 return;
838
839 /* Attempt to claim larger area for request queue. */
840 request_ring = dma_alloc_coherent(&ha->pdev->dev,
841 (request_q_length + 1) * sizeof(request_t), &request_dma,
842 GFP_KERNEL);
843 if (request_ring == NULL)
844 return;
845
846 /* Resize successful, report extensions. */
847 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
848 (ha->fw_memory_size + 1) / 1024);
849 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
850 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
851
852 /* Clear old allocations. */
853 dma_free_coherent(&ha->pdev->dev,
854 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
855 ha->request_dma);
856
857 /* Begin using larger queue. */
858 ha->request_q_length = request_q_length;
859 ha->request_ring = request_ring;
860 ha->request_dma = request_dma;
861}
862
863/**
864 * qla2x00_setup_chip() - Load and start RISC firmware.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869static int
870qla2x00_setup_chip(scsi_qla_host_t *ha)
871{
0107109e
AV		 872 int rval;
873 uint32_t srisc_address = 0;
1da177e4
LT		 874
875 /* Load firmware sequences */
0107109e
AV		 876 rval = ha->isp_ops.load_risc(ha, &srisc_address);
877 if (rval == QLA_SUCCESS) {
1da177e4
LT		 878 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
879 "code.\n", ha->host_no));
880
0107109e 881 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 882 if (rval == QLA_SUCCESS) {
883 /* Start firmware execution. */
884 DEBUG(printk("scsi(%ld): Checksum OK, start "
885 "firmware.\n", ha->host_no));
886
0107109e 887 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 888 /* Retrieve firmware information. */
889 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
890 qla2x00_get_fw_version(ha,
891 &ha->fw_major_version,
892 &ha->fw_minor_version,
893 &ha->fw_subminor_version,
894 &ha->fw_attributes, &ha->fw_memory_size);
895 qla2x00_resize_request_q(ha);
896 }
897 } else {
898 DEBUG2(printk(KERN_INFO
899 "scsi(%ld): ISP Firmware failed checksum.\n",
900 ha->host_no));
901 }
902 }
903
904 if (rval) {
905 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
906 ha->host_no));
907 }
908
909 return (rval);
910}
911
912/**
913 * qla2x00_init_response_q_entries() - Initializes response queue entries.
914 * @ha: HA context
915 *
916 * Beginning of request ring has initialization control block already built
917 * by nvram config routine.
918 *
919 * Returns 0 on success.
920 */
921static void
922qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
923{
924 uint16_t cnt;
925 response_t *pkt;
926
927 pkt = ha->response_ring_ptr;
928 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
929 pkt->signature = RESPONSE_PROCESSED;
930 pkt++;
931 }
932
933}
934
935/**
936 * qla2x00_update_fw_options() - Read and process firmware options.
937 * @ha: HA context
938 *
939 * Returns 0 on success.
940 */
abbd8870 941void
1da177e4
LT		 942qla2x00_update_fw_options(scsi_qla_host_t *ha)
943{
944 uint16_t swing, emphasis, tx_sens, rx_sens;
945
946 memset(ha->fw_options, 0, sizeof(ha->fw_options));
947 qla2x00_get_fw_options(ha, ha->fw_options);
948
949 if (IS_QLA2100(ha) || IS_QLA2200(ha))
950 return;
951
952 /* Serial Link options. */
953 DEBUG3(printk("scsi(%ld): Serial link options:\n",
954 ha->host_no));
955 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
956 sizeof(ha->fw_seriallink_options)));
957
958 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
959 if (ha->fw_seriallink_options[3] & BIT_2) {
960 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
961
962 /* 1G settings */
963 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
964 emphasis = (ha->fw_seriallink_options[2] &
965 (BIT_4 | BIT_3)) >> 3;
966 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 967 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 968 rx_sens = (ha->fw_seriallink_options[0] &
969 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
970 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
971 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
972 if (rx_sens == 0x0)
973 rx_sens = 0x3;
974 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
975 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
976 ha->fw_options[10] |= BIT_5 |
977 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
978 (tx_sens & (BIT_1 | BIT_0));
979
980 /* 2G settings */
981 swing = (ha->fw_seriallink_options[2] &
982 (BIT_7 | BIT_6 | BIT_5)) >> 5;
983 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
984 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 985 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 986 rx_sens = (ha->fw_seriallink_options[1] &
987 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
988 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
989 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
990 if (rx_sens == 0x0)
991 rx_sens = 0x3;
992 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
993 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
994 ha->fw_options[11] |= BIT_5 |
995 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
996 (tx_sens & (BIT_1 | BIT_0));
997 }
998
999 /* FCP2 options. */
1000 /* Return command IOCBs without waiting for an ABTS to complete. */
1001 ha->fw_options[3] |= BIT_13;
1002
1003 /* LED scheme. */
1004 if (ha->flags.enable_led_scheme)
1005 ha->fw_options[2] |= BIT_12;
1006
1007 /* Update firmware options. */
1008 qla2x00_set_fw_options(ha, ha->fw_options);
1009}
1010
0107109e
AV		 1011void
1012qla24xx_update_fw_options(scsi_qla_host_t *ha)
1013{
1014 int rval;
1015
1016 /* Update Serial Link options. */
1017 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1018 return;
1019
1020 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1021 ha->fw_seriallink_options24[2], 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
abbd8870
AV		 1028void
1029qla2x00_config_rings(struct scsi_qla_host *ha)
1030{
3d71644c 1031 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 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
0107109e
AV		 1050void
1051qla24xx_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
1da177e4
LT		 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 */
1083static int
1084qla2x00_init_rings(scsi_qla_host_t *ha)
1085{
1086 int rval;
1087 unsigned long flags = 0;
1088 int cnt;
1da177e4
LT		 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
1da177e4
LT		 1109 /* Initialize response queue entries */
1110 qla2x00_init_response_q_entries(ha);
1111
abbd8870 1112 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1113
1114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1115
1116 /* Update any ISP specific firmware options before initialization. */
abbd8870 1117 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1118
1119 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1120 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 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 */
1138static int
1139qla2x00_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. */
fa2a1ce5 1150 min_wait = 20;
1da177e4
LT		 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
fa2a1ce5
AV		 1196 * other than Wait for Login.
1197 */
1da177e4
LT		 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*/
1246static int
1247qla2x00_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) {
23443b1d 1261 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 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 }
1da177e4
LT		 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*/
abbd8870 1358int
1da177e4
LT		 1359qla2x00_nvram_config(scsi_qla_host_t *ha)
1360{
0107109e
AV		 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;
3d71644c 1368 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1369
1370 rval = QLA_SUCCESS;
1371
1372 /* Determine NVRAM starting address. */
0107109e 1373 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 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. */
0107109e
AV		 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++;
1da177e4
LT		 1383
1384 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1385 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1386 ha->nvram_size));
1da177e4
LT		 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 */
0107109e 1401 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 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 */
0107109e 1461 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 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;
0107109e 1474 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 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 */
1da177e4
LT		 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);
06c22bd1 1563 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 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];
3d71644c
AV		 1575 ha->node_name = icb->node_name;
1576 ha->port_name = icb->port_name;
1da177e4
LT		 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
1da177e4
LT		 1593 ha->loop_reset_delay = nv->reset_delay;
1594
1da177e4
LT		 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".
fa2a1ce5 1604 */
1da177e4
LT		 1605 if (nv->link_down_timeout == 0) {
1606 ha->loop_down_abort_time =
354d6b21 1607 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 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);
fa2a1ce5 1612 }
1da177e4 1613
1da177e4
LT		 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
1da177e4
LT		 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 {
4fdfefe5
AV		 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 }
1da177e4
LT		 1653 icb->add_firmware_options[0] &=
1654 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 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));
1da177e4 1660 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1661 "ZIO mode %d enabled; timer delay (%d us).\n",
1662 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1663
4fdfefe5
AV		 1664 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1665 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 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
19a7b4ae
JSEC		 1677static void
1678qla2x00_rport_add(void *data)
1679{
1680 fc_port_t *fcport = data;
1681
1682 qla2x00_reg_remote_port(fcport->ha, fcport);
1683}
1684
1685static void
1686qla2x00_rport_del(void *data)
1687{
1688 fc_port_t *fcport = data;
1689
1690 if (fcport->rport)
1691 fc_remote_port_delete(fcport->rport);
1692 fcport->rport = NULL;
1693}
1694
1da177e4
LT		 1695/**
1696 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1697 * @ha: HA context
1698 * @flags: allocation flags
1699 *
1700 * Returns a pointer to the allocated fcport, or NULL, if none available.
1701 */
1702fc_port_t *
c53033f6 1703qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1704{
1705 fc_port_t *fcport;
1706
1707 fcport = kmalloc(sizeof(fc_port_t), flags);
1708 if (fcport == NULL)
1709 return (fcport);
1710
1711 /* Setup fcport template structure. */
1712 memset(fcport, 0, sizeof (fc_port_t));
1713 fcport->ha = ha;
1714 fcport->port_type = FCT_UNKNOWN;
1715 fcport->loop_id = FC_NO_LOOP_ID;
1716 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1717 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1718 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1719 fcport->supported_classes = FC_COS_UNSPECIFIED;
19a7b4ae
JSEC		 1720 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1721 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1da177e4
LT		 1722
1723 return (fcport);
1724}
1725
1726/*
1727 * qla2x00_configure_loop
1728 * Updates Fibre Channel Device Database with what is actually on loop.
1729 *
1730 * Input:
1731 * ha = adapter block pointer.
1732 *
1733 * Returns:
1734 * 0 = success.
1735 * 1 = error.
1736 * 2 = database was full and device was not configured.
1737 */
1738static int
fa2a1ce5 1739qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1740{
1741 int rval;
1742 unsigned long flags, save_flags;
1743
1744 rval = QLA_SUCCESS;
1745
1746 /* Get Initiator ID */
1747 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1748 rval = qla2x00_configure_hba(ha);
1749 if (rval != QLA_SUCCESS) {
1750 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1751 ha->host_no));
1752 return (rval);
1753 }
1754 }
1755
1756 save_flags = flags = ha->dpc_flags;
1757 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1758 ha->host_no, flags));
1759
1760 /*
1761 * If we have both an RSCN and PORT UPDATE pending then handle them
1762 * both at the same time.
1763 */
1764 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1765 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1766
1767 /* Determine what we need to do */
1768 if (ha->current_topology == ISP_CFG_FL &&
1769 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1770
1771 ha->flags.rscn_queue_overflow = 1;
1772 set_bit(RSCN_UPDATE, &flags);
1773
1774 } else if (ha->current_topology == ISP_CFG_F &&
1775 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1776
1777 ha->flags.rscn_queue_overflow = 1;
1778 set_bit(RSCN_UPDATE, &flags);
1779 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1780
1781 } else if (!ha->flags.online ||
1782 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1783
1784 ha->flags.rscn_queue_overflow = 1;
1785 set_bit(RSCN_UPDATE, &flags);
1786 set_bit(LOCAL_LOOP_UPDATE, &flags);
1787 }
1788
1789 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1790 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1791 rval = QLA_FUNCTION_FAILED;
1792 } else {
1793 rval = qla2x00_configure_local_loop(ha);
1794 }
1795 }
1796
1797 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1798 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1799 rval = QLA_FUNCTION_FAILED;
1800 } else {
1801 rval = qla2x00_configure_fabric(ha);
1802 }
1803 }
1804
1805 if (rval == QLA_SUCCESS) {
1806 if (atomic_read(&ha->loop_down_timer) ||
1807 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1808 rval = QLA_FUNCTION_FAILED;
1809 } else {
1da177e4
LT		 1810 atomic_set(&ha->loop_state, LOOP_READY);
1811
1812 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1813 }
1814 }
1815
1816 if (rval) {
1817 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1818 __func__, ha->host_no));
1819 } else {
1820 DEBUG3(printk("%s: exiting normally\n", __func__));
1821 }
1822
1823 /* Restore state if a resync event occured during processing */
1824 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1825 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1826 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1827 if (test_bit(RSCN_UPDATE, &save_flags))
1828 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1829 }
1830
1831 return (rval);
1832}
1833
1834
1835
1836/*
1837 * qla2x00_configure_local_loop
1838 * Updates Fibre Channel Device Database with local loop devices.
1839 *
1840 * Input:
1841 * ha = adapter block pointer.
1842 *
1843 * Returns:
1844 * 0 = success.
1845 */
1846static int
fa2a1ce5 1847qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1848{
1849 int rval, rval2;
1850 int found_devs;
1851 int found;
1852 fc_port_t *fcport, *new_fcport;
1853
1854 uint16_t index;
1855 uint16_t entries;
1856 char *id_iter;
1857 uint16_t loop_id;
1858 uint8_t domain, area, al_pa;
1859
1860 found_devs = 0;
1861 new_fcport = NULL;
1862 entries = MAX_FIBRE_DEVICES;
1863
1864 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1865 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1866
1867 /* Get list of logged in devices. */
1868 memset(ha->gid_list, 0, GID_LIST_SIZE);
1869 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1870 &entries);
1871 if (rval != QLA_SUCCESS)
1872 goto cleanup_allocation;
1873
1874 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1875 ha->host_no, entries));
1876 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1877 entries * sizeof(struct gid_list_info)));
1878
1879 /* Allocate temporary fcport for any new fcports discovered. */
1880 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1881 if (new_fcport == NULL) {
1882 rval = QLA_MEMORY_ALLOC_FAILED;
1883 goto cleanup_allocation;
1884 }
1885 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1886
1887 /*
1888 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1889 */
1890 list_for_each_entry(fcport, &ha->fcports, list) {
1891 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1892 fcport->port_type != FCT_BROADCAST &&
1893 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1894
1895 DEBUG(printk("scsi(%ld): Marking port lost, "
1896 "loop_id=0x%04x\n",
1897 ha->host_no, fcport->loop_id));
1898
1899 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1900 fcport->flags &= ~FCF_FARP_DONE;
1901 }
1902 }
1903
1904 /* Add devices to port list. */
1905 id_iter = (char *)ha->gid_list;
1906 for (index = 0; index < entries; index++) {
1907 domain = ((struct gid_list_info *)id_iter)->domain;
1908 area = ((struct gid_list_info *)id_iter)->area;
1909 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1910 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1911 loop_id = (uint16_t)
1912 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1913 else
1da177e4
LT		 1914 loop_id = le16_to_cpu(
1915 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1916 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1917
1918 /* Bypass reserved domain fields. */
1919 if ((domain & 0xf0) == 0xf0)
1920 continue;
1921
1922 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1923 if (area && domain &&
1924 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1925 continue;
1926
1927 /* Bypass invalid local loop ID. */
1928 if (loop_id > LAST_LOCAL_LOOP_ID)
1929 continue;
1930
1931 /* Fill in member data. */
1932 new_fcport->d_id.b.domain = domain;
1933 new_fcport->d_id.b.area = area;
1934 new_fcport->d_id.b.al_pa = al_pa;
1935 new_fcport->loop_id = loop_id;
1936 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1937 if (rval2 != QLA_SUCCESS) {
1938 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1939 "information -- get_port_database=%x, "
1940 "loop_id=0x%04x\n",
1941 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 1942 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1943 ha->host_no));
1944 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1945 continue;
1946 }
1947
1948 /* Check for matching device in port list. */
1949 found = 0;
1950 fcport = NULL;
1951 list_for_each_entry(fcport, &ha->fcports, list) {
1952 if (memcmp(new_fcport->port_name, fcport->port_name,
1953 WWN_SIZE))
1954 continue;
1955
1956 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1957 FCF_PERSISTENT_BOUND);
1958 fcport->loop_id = new_fcport->loop_id;
1959 fcport->port_type = new_fcport->port_type;
1960 fcport->d_id.b24 = new_fcport->d_id.b24;
1961 memcpy(fcport->node_name, new_fcport->node_name,
1962 WWN_SIZE);
1963
1964 found++;
1965 break;
1966 }
1967
1968 if (!found) {
1969 /* New device, add to fcports list. */
1970 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1971 list_add_tail(&new_fcport->list, &ha->fcports);
1972
1973 /* Allocate a new replacement fcport. */
1974 fcport = new_fcport;
1975 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1976 if (new_fcport == NULL) {
1977 rval = QLA_MEMORY_ALLOC_FAILED;
1978 goto cleanup_allocation;
1979 }
1980 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1981 }
1982
1983 qla2x00_update_fcport(ha, fcport);
1984
1985 found_devs++;
1986 }
1987
1988cleanup_allocation:
c9475cb0 1989 kfree(new_fcport);
1da177e4
LT		 1990
1991 if (rval != QLA_SUCCESS) {
1992 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1993 "rval=%x\n", ha->host_no, rval));
1994 }
1995
1996 if (found_devs) {
1997 ha->device_flags |= DFLG_LOCAL_DEVICES;
1998 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1999 }
2000
2001 return (rval);
2002}
2003
2004static void
fa2a1ce5 2005qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2006{
2007 fc_port_t *fcport;
2008
fa2a1ce5 2009 qla2x00_mark_all_devices_lost(ha);
1da177e4
LT		 2010 list_for_each_entry(fcport, &ha->fcports, list) {
2011 if (fcport->port_type != FCT_TARGET)
2012 continue;
2013
fa2a1ce5 2014 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2015 }
2016}
2017
2018/*
2019 * qla2x00_update_fcport
2020 * Updates device on list.
2021 *
2022 * Input:
2023 * ha = adapter block pointer.
2024 * fcport = port structure pointer.
2025 *
2026 * Return:
2027 * 0 - Success
2028 * BIT_0 - error
2029 *
2030 * Context:
2031 * Kernel context.
2032 */
2033static void
2034qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2035{
2036 uint16_t index;
2037 unsigned long flags;
2038 srb_t *sp;
2039
2040 fcport->ha = ha;
2041 fcport->login_retry = 0;
2042 fcport->port_login_retry_count = ha->port_down_retry_count *
2043 PORT_RETRY_TIME;
2044 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2045 PORT_RETRY_TIME);
2046 fcport->flags &= ~FCF_LOGIN_NEEDED;
2047
2048 /*
2049 * Check for outstanding cmd on tape Bypass LUN discovery if active
2050 * command on tape.
2051 */
2052 if (fcport->flags & FCF_TAPE_PRESENT) {
2053 spin_lock_irqsave(&ha->hardware_lock, flags);
2054 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
bdf79621
AV		 2055 fc_port_t *sfcp;
2056
1da177e4 2057 if ((sp = ha->outstanding_cmds[index]) != 0) {
bdf79621
AV		 2058 sfcp = sp->fcport;
2059 if (sfcp == fcport) {
1da177e4
LT		 2060 atomic_set(&fcport->state, FCS_ONLINE);
2061 spin_unlock_irqrestore(
2062 &ha->hardware_lock, flags);
2063 return;
2064 }
2065 }
2066 }
2067 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2068 }
2069
1da177e4 2070 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2071 fcport->port_type == FCT_BROADCAST)
1da177e4 2072 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2073
1da177e4 2074 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2075
8482e118
AV		 2076 if (ha->flags.init_done)
2077 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2078}
2079
8482e118
AV		 2080void
2081qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2082{
2083 struct fc_rport_identifiers rport_ids;
bdf79621 2084 struct fc_rport *rport;
8482e118
AV		 2085
2086 if (fcport->rport) {
19a7b4ae
JSEC		 2087 fc_remote_port_delete(fcport->rport);
2088 fcport->rport = NULL;
8482e118
AV		 2089 }
2090
f8b02a85
AV		 2091 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2092 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2093 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2094 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143
AV		 2095 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2096 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2097 if (!rport) {
2098 qla_printk(KERN_WARNING, ha,
2099 "Unable to allocate fc remote port!\n");
2100 return;
2101 }
19a7b4ae 2102 *((fc_port_t **)rport->dd_data) = fcport;
ad3e0eda 2103 rport->supported_classes = fcport->supported_classes;
77d74143 2104
8482e118
AV		 2105 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2106 if (fcport->port_type == FCT_INITIATOR)
2107 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2108 if (fcport->port_type == FCT_TARGET)
2109 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2110 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2111
cc4731f5
AV		 2112 if (rport->scsi_target_id != -1 &&
2113 rport->scsi_target_id < ha->host->max_id)
bdf79621 2114 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2115}
2116
1da177e4
LT		 2117/*
2118 * qla2x00_configure_fabric
2119 * Setup SNS devices with loop ID's.
2120 *
2121 * Input:
2122 * ha = adapter block pointer.
2123 *
2124 * Returns:
2125 * 0 = success.
2126 * BIT_0 = error
2127 */
2128static int
2129qla2x00_configure_fabric(scsi_qla_host_t *ha)
2130{
2131 int rval, rval2;
2132 fc_port_t *fcport, *fcptemp;
2133 uint16_t next_loopid;
2134 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2135 uint16_t loop_id;
1da177e4
LT		 2136 LIST_HEAD(new_fcports);
2137
2138 /* If FL port exists, then SNS is present */
0107109e
AV		 2139 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2140 loop_id = NPH_F_PORT;
2141 else
2142 loop_id = SNS_FL_PORT;
2143 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2144 if (rval != QLA_SUCCESS) {
2145 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2146 "Port\n", ha->host_no));
2147
2148 ha->device_flags &= ~SWITCH_FOUND;
2149 return (QLA_SUCCESS);
2150 }
2151
2152 /* Mark devices that need re-synchronization. */
2153 rval2 = qla2x00_device_resync(ha);
2154 if (rval2 == QLA_RSCNS_HANDLED) {
2155 /* No point doing the scan, just continue. */
2156 return (QLA_SUCCESS);
2157 }
2158 do {
cca5335c
AV		 2159 /* FDMI support. */
2160 if (ql2xfdmienable &&
2161 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2162 qla2x00_fdmi_register(ha);
2163
1da177e4 2164 /* Ensure we are logged into the SNS. */
0107109e
AV		 2165 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2166 loop_id = NPH_SNS;
2167 else
2168 loop_id = SIMPLE_NAME_SERVER;
2169 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2170 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2171 if (mb[0] != MBS_COMMAND_COMPLETE) {
2172 DEBUG2(qla_printk(KERN_INFO, ha,
2173 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2174 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2175 mb[0], mb[1], mb[2], mb[6], mb[7]));
2176 return (QLA_SUCCESS);
2177 }
2178
2179 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2180 if (qla2x00_rft_id(ha)) {
2181 /* EMPTY */
2182 DEBUG2(printk("scsi(%ld): Register FC-4 "
2183 "TYPE failed.\n", ha->host_no));
2184 }
2185 if (qla2x00_rff_id(ha)) {
2186 /* EMPTY */
2187 DEBUG2(printk("scsi(%ld): Register FC-4 "
2188 "Features failed.\n", ha->host_no));
2189 }
2190 if (qla2x00_rnn_id(ha)) {
2191 /* EMPTY */
2192 DEBUG2(printk("scsi(%ld): Register Node Name "
2193 "failed.\n", ha->host_no));
2194 } else if (qla2x00_rsnn_nn(ha)) {
2195 /* EMPTY */
2196 DEBUG2(printk("scsi(%ld): Register Symbolic "
2197 "Node Name failed.\n", ha->host_no));
2198 }
2199 }
2200
2201 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2202 if (rval != QLA_SUCCESS)
2203 break;
2204
2205 /*
2206 * Logout all previous fabric devices marked lost, except
2207 * tape devices.
2208 */
2209 list_for_each_entry(fcport, &ha->fcports, list) {
2210 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2211 break;
2212
2213 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2214 continue;
2215
2216 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2217 qla2x00_mark_device_lost(ha, fcport,
2218 ql2xplogiabsentdevice);
2219 if (fcport->loop_id != FC_NO_LOOP_ID &&
2220 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2221 fcport->port_type != FCT_INITIATOR &&
2222 fcport->port_type != FCT_BROADCAST) {
2223
abbd8870 2224 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2225 fcport->loop_id,
2226 fcport->d_id.b.domain,
2227 fcport->d_id.b.area,
2228 fcport->d_id.b.al_pa);
1da177e4
LT		 2229 fcport->loop_id = FC_NO_LOOP_ID;
2230 }
2231 }
2232 }
2233
2234 /* Starting free loop ID. */
2235 next_loopid = ha->min_external_loopid;
2236
2237 /*
2238 * Scan through our port list and login entries that need to be
2239 * logged in.
2240 */
2241 list_for_each_entry(fcport, &ha->fcports, list) {
2242 if (atomic_read(&ha->loop_down_timer) ||
2243 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2244 break;
2245
2246 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2247 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2248 continue;
2249
2250 if (fcport->loop_id == FC_NO_LOOP_ID) {
2251 fcport->loop_id = next_loopid;
2252 rval = qla2x00_find_new_loop_id(ha, fcport);
2253 if (rval != QLA_SUCCESS) {
2254 /* Ran out of IDs to use */
2255 break;
2256 }
2257 }
1da177e4
LT		 2258 /* Login and update database */
2259 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2260 }
2261
2262 /* Exit if out of loop IDs. */
2263 if (rval != QLA_SUCCESS) {
2264 break;
2265 }
2266
2267 /*
2268 * Login and add the new devices to our port list.
2269 */
2270 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2271 if (atomic_read(&ha->loop_down_timer) ||
2272 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2273 break;
2274
2275 /* Find a new loop ID to use. */
2276 fcport->loop_id = next_loopid;
2277 rval = qla2x00_find_new_loop_id(ha, fcport);
2278 if (rval != QLA_SUCCESS) {
2279 /* Ran out of IDs to use */
2280 break;
2281 }
2282
1da177e4
LT		 2283 /* Remove device from the new list and add it to DB */
2284 list_del(&fcport->list);
2285 list_add_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2286
2287 /* Login and update database */
2288 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2289 }
2290 } while (0);
2291
2292 /* Free all new device structures not processed. */
2293 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2294 list_del(&fcport->list);
2295 kfree(fcport);
2296 }
2297
2298 if (rval) {
2299 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2300 "rval=%d\n", ha->host_no, rval));
2301 }
2302
2303 return (rval);
2304}
2305
2306
2307/*
2308 * qla2x00_find_all_fabric_devs
2309 *
2310 * Input:
2311 * ha = adapter block pointer.
2312 * dev = database device entry pointer.
2313 *
2314 * Returns:
2315 * 0 = success.
2316 *
2317 * Context:
2318 * Kernel context.
2319 */
2320static int
2321qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2322{
2323 int rval;
2324 uint16_t loop_id;
2325 fc_port_t *fcport, *new_fcport, *fcptemp;
2326 int found;
2327
2328 sw_info_t *swl;
2329 int swl_idx;
2330 int first_dev, last_dev;
2331 port_id_t wrap, nxt_d_id;
2332
2333 rval = QLA_SUCCESS;
2334
2335 /* Try GID_PT to get device list, else GAN. */
2336 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2337 if (swl == NULL) {
2338 /*EMPTY*/
2339 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2340 "on GA_NXT\n", ha->host_no));
2341 } else {
2342 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2343 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2344 kfree(swl);
2345 swl = NULL;
2346 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2347 kfree(swl);
2348 swl = NULL;
2349 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2350 kfree(swl);
2351 swl = NULL;
2352 }
2353 }
2354 swl_idx = 0;
2355
2356 /* Allocate temporary fcport for any new fcports discovered. */
2357 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2358 if (new_fcport == NULL) {
c9475cb0 2359 kfree(swl);
1da177e4
LT		 2360 return (QLA_MEMORY_ALLOC_FAILED);
2361 }
2362 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2363
2364 /* Set start port ID scan at adapter ID. */
2365 first_dev = 1;
2366 last_dev = 0;
2367
2368 /* Starting free loop ID. */
2369 loop_id = ha->min_external_loopid;
1da177e4 2370 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2371 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2372 continue;
2373
23443b1d 2374 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2375 break;
2376
2377 if (swl != NULL) {
2378 if (last_dev) {
2379 wrap.b24 = new_fcport->d_id.b24;
2380 } else {
2381 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2382 memcpy(new_fcport->node_name,
2383 swl[swl_idx].node_name, WWN_SIZE);
2384 memcpy(new_fcport->port_name,
2385 swl[swl_idx].port_name, WWN_SIZE);
2386
2387 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2388 last_dev = 1;
2389 }
2390 swl_idx++;
2391 }
2392 } else {
2393 /* Send GA_NXT to the switch */
2394 rval = qla2x00_ga_nxt(ha, new_fcport);
2395 if (rval != QLA_SUCCESS) {
2396 qla_printk(KERN_WARNING, ha,
2397 "SNS scan failed -- assuming zero-entry "
2398 "result...\n");
2399 list_for_each_entry_safe(fcport, fcptemp,
2400 new_fcports, list) {
2401 list_del(&fcport->list);
2402 kfree(fcport);
2403 }
2404 rval = QLA_SUCCESS;
2405 break;
2406 }
2407 }
2408
2409 /* If wrap on switch device list, exit. */
2410 if (first_dev) {
2411 wrap.b24 = new_fcport->d_id.b24;
2412 first_dev = 0;
2413 } else if (new_fcport->d_id.b24 == wrap.b24) {
2414 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2415 ha->host_no, new_fcport->d_id.b.domain,
2416 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2417 break;
2418 }
2419
2420 /* Bypass if host adapter. */
2421 if (new_fcport->d_id.b24 == ha->d_id.b24)
2422 continue;
2423
f7d289f6
AV		 2424 /* Bypass if same domain and area of adapter. */
2425 if (((new_fcport->d_id.b24 & 0xffff00) ==
2426 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2427 ISP_CFG_FL)
2428 continue;
2429
1da177e4
LT		 2430 /* Bypass reserved domain fields. */
2431 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2432 continue;
2433
2434 /* Locate matching device in database. */
2435 found = 0;
2436 list_for_each_entry(fcport, &ha->fcports, list) {
2437 if (memcmp(new_fcport->port_name, fcport->port_name,
2438 WWN_SIZE))
2439 continue;
2440
2441 found++;
2442
2443 /*
2444 * If address the same and state FCS_ONLINE, nothing
2445 * changed.
2446 */
2447 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2448 atomic_read(&fcport->state) == FCS_ONLINE) {
2449 break;
2450 }
2451
2452 /*
2453 * If device was not a fabric device before.
2454 */
2455 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2456 fcport->d_id.b24 = new_fcport->d_id.b24;
2457 fcport->loop_id = FC_NO_LOOP_ID;
2458 fcport->flags |= (FCF_FABRIC_DEVICE |
2459 FCF_LOGIN_NEEDED);
2460 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2461 break;
2462 }
2463
2464 /*
2465 * Port ID changed or device was marked to be updated;
2466 * Log it out if still logged in and mark it for
2467 * relogin later.
2468 */
2469 fcport->d_id.b24 = new_fcport->d_id.b24;
2470 fcport->flags |= FCF_LOGIN_NEEDED;
2471 if (fcport->loop_id != FC_NO_LOOP_ID &&
2472 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2473 fcport->port_type != FCT_INITIATOR &&
2474 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2475 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2476 fcport->d_id.b.domain, fcport->d_id.b.area,
2477 fcport->d_id.b.al_pa);
1da177e4
LT		 2478 fcport->loop_id = FC_NO_LOOP_ID;
2479 }
2480
2481 break;
2482 }
2483
2484 if (found)
2485 continue;
2486
2487 /* If device was not in our fcports list, then add it. */
2488 list_add_tail(&new_fcport->list, new_fcports);
2489
2490 /* Allocate a new replacement fcport. */
2491 nxt_d_id.b24 = new_fcport->d_id.b24;
2492 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2493 if (new_fcport == NULL) {
c9475cb0 2494 kfree(swl);
1da177e4
LT		 2495 return (QLA_MEMORY_ALLOC_FAILED);
2496 }
2497 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2498 new_fcport->d_id.b24 = nxt_d_id.b24;
2499 }
2500
c9475cb0
JJ		 2501 kfree(swl);
2502 kfree(new_fcport);
1da177e4
LT		 2503
2504 if (!list_empty(new_fcports))
2505 ha->device_flags |= DFLG_FABRIC_DEVICES;
2506
2507 return (rval);
2508}
2509
2510/*
2511 * qla2x00_find_new_loop_id
2512 * Scan through our port list and find a new usable loop ID.
2513 *
2514 * Input:
2515 * ha: adapter state pointer.
2516 * dev: port structure pointer.
2517 *
2518 * Returns:
2519 * qla2x00 local function return status code.
2520 *
2521 * Context:
2522 * Kernel context.
2523 */
2524int
2525qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2526{
2527 int rval;
2528 int found;
2529 fc_port_t *fcport;
2530 uint16_t first_loop_id;
2531
2532 rval = QLA_SUCCESS;
2533
2534 /* Save starting loop ID. */
2535 first_loop_id = dev->loop_id;
2536
2537 for (;;) {
2538 /* Skip loop ID if already used by adapter. */
2539 if (dev->loop_id == ha->loop_id) {
2540 dev->loop_id++;
2541 }
2542
2543 /* Skip reserved loop IDs. */
3d71644c 2544 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2545 dev->loop_id++;
2546 }
2547
2548 /* Reset loop ID if passed the end. */
2549 if (dev->loop_id > ha->last_loop_id) {
2550 /* first loop ID. */
2551 dev->loop_id = ha->min_external_loopid;
2552 }
2553
2554 /* Check for loop ID being already in use. */
2555 found = 0;
2556 fcport = NULL;
2557 list_for_each_entry(fcport, &ha->fcports, list) {
2558 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2559 /* ID possibly in use */
2560 found++;
2561 break;
2562 }
2563 }
2564
2565 /* If not in use then it is free to use. */
2566 if (!found) {
2567 break;
2568 }
2569
2570 /* ID in use. Try next value. */
2571 dev->loop_id++;
2572
2573 /* If wrap around. No free ID to use. */
2574 if (dev->loop_id == first_loop_id) {
2575 dev->loop_id = FC_NO_LOOP_ID;
2576 rval = QLA_FUNCTION_FAILED;
2577 break;
2578 }
2579 }
2580
2581 return (rval);
2582}
2583
2584/*
2585 * qla2x00_device_resync
2586 * Marks devices in the database that needs resynchronization.
2587 *
2588 * Input:
2589 * ha = adapter block pointer.
2590 *
2591 * Context:
2592 * Kernel context.
2593 */
2594static int
fa2a1ce5 2595qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2596{
2597 int rval;
2598 int rval2;
2599 uint32_t mask;
2600 fc_port_t *fcport;
2601 uint32_t rscn_entry;
2602 uint8_t rscn_out_iter;
2603 uint8_t format;
2604 port_id_t d_id;
2605
2606 rval = QLA_RSCNS_HANDLED;
2607
2608 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2609 ha->flags.rscn_queue_overflow) {
2610
2611 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2612 format = MSB(MSW(rscn_entry));
2613 d_id.b.domain = LSB(MSW(rscn_entry));
2614 d_id.b.area = MSB(LSW(rscn_entry));
2615 d_id.b.al_pa = LSB(LSW(rscn_entry));
2616
2617 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2618 "[%02x/%02x%02x%02x].\n",
2619 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2620 d_id.b.area, d_id.b.al_pa));
2621
2622 ha->rscn_out_ptr++;
2623 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2624 ha->rscn_out_ptr = 0;
2625
2626 /* Skip duplicate entries. */
2627 for (rscn_out_iter = ha->rscn_out_ptr;
2628 !ha->flags.rscn_queue_overflow &&
2629 rscn_out_iter != ha->rscn_in_ptr;
2630 rscn_out_iter = (rscn_out_iter ==
2631 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2632
2633 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2634 break;
2635
2636 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2637 "entry found at [%d].\n", ha->host_no,
2638 rscn_out_iter));
2639
2640 ha->rscn_out_ptr = rscn_out_iter;
2641 }
2642
2643 /* Queue overflow, set switch default case. */
2644 if (ha->flags.rscn_queue_overflow) {
2645 DEBUG(printk("scsi(%ld): device_resync: rscn "
2646 "overflow.\n", ha->host_no));
2647
2648 format = 3;
2649 ha->flags.rscn_queue_overflow = 0;
2650 }
2651
2652 switch (format) {
2653 case 0:
2654 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2655 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
0107109e 2656 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
1da177e4
LT		 2657 ha->flags.init_done) {
2658 /* Handle port RSCN via asyncronous IOCBs */
2659 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2660 NULL, 0);
2661 if (rval2 == QLA_SUCCESS)
2662 continue;
2663 }
2664 mask = 0xffffff;
2665 break;
2666 case 1:
2667 mask = 0xffff00;
2668 break;
2669 case 2:
2670 mask = 0xff0000;
2671 break;
2672 default:
2673 mask = 0x0;
2674 d_id.b24 = 0;
2675 ha->rscn_out_ptr = ha->rscn_in_ptr;
2676 break;
2677 }
2678
2679 rval = QLA_SUCCESS;
2680
2681 /* Abort any outstanding IO descriptors. */
2682 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2683 qla2x00_cancel_io_descriptors(ha);
2684
2685 list_for_each_entry(fcport, &ha->fcports, list) {
2686 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2687 (fcport->d_id.b24 & mask) != d_id.b24 ||
2688 fcport->port_type == FCT_BROADCAST)
2689 continue;
2690
2691 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2692 if (format != 3 ||
2693 fcport->port_type != FCT_INITIATOR) {
8482e118 2694 qla2x00_mark_device_lost(ha, fcport, 0);
1da177e4
LT		 2695 }
2696 }
2697 fcport->flags &= ~FCF_FARP_DONE;
2698 }
2699 }
2700 return (rval);
2701}
2702
2703/*
2704 * qla2x00_fabric_dev_login
2705 * Login fabric target device and update FC port database.
2706 *
2707 * Input:
2708 * ha: adapter state pointer.
2709 * fcport: port structure list pointer.
2710 * next_loopid: contains value of a new loop ID that can be used
2711 * by the next login attempt.
2712 *
2713 * Returns:
2714 * qla2x00 local function return status code.
2715 *
2716 * Context:
2717 * Kernel context.
2718 */
2719static int
2720qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2721 uint16_t *next_loopid)
2722{
2723 int rval;
2724 int retry;
0107109e 2725 uint8_t opts;
1da177e4
LT		 2726
2727 rval = QLA_SUCCESS;
2728 retry = 0;
2729
2730 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2731 if (rval == QLA_SUCCESS) {
0107109e
AV		 2732 /* Send an ADISC to tape devices.*/
2733 opts = 0;
2734 if (fcport->flags & FCF_TAPE_PRESENT)
2735 opts |= BIT_1;
2736 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2737 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2738 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2739 fcport->d_id.b.domain, fcport->d_id.b.area,
2740 fcport->d_id.b.al_pa);
0107109e
AV		 2741 qla2x00_mark_device_lost(ha, fcport, 1);
2742
1da177e4
LT		 2743 } else {
2744 qla2x00_update_fcport(ha, fcport);
2745 }
2746 }
2747
2748 return (rval);
2749}
2750
2751/*
2752 * qla2x00_fabric_login
2753 * Issue fabric login command.
2754 *
2755 * Input:
2756 * ha = adapter block pointer.
2757 * device = pointer to FC device type structure.
2758 *
2759 * Returns:
2760 * 0 - Login successfully
2761 * 1 - Login failed
2762 * 2 - Initiator device
2763 * 3 - Fatal error
2764 */
2765int
2766qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2767 uint16_t *next_loopid)
2768{
2769 int rval;
2770 int retry;
2771 uint16_t tmp_loopid;
2772 uint16_t mb[MAILBOX_REGISTER_COUNT];
2773
2774 retry = 0;
2775 tmp_loopid = 0;
2776
2777 for (;;) {
2778 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2779 "for port %02x%02x%02x.\n",
2780 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2781 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2782
2783 /* Login fcport on switch. */
abbd8870 2784 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2785 fcport->d_id.b.domain, fcport->d_id.b.area,
2786 fcport->d_id.b.al_pa, mb, BIT_0);
2787 if (mb[0] == MBS_PORT_ID_USED) {
2788 /*
2789 * Device has another loop ID. The firmware team
0107109e
AV		 2790 * recommends the driver perform an implicit login with
2791 * the specified ID again. The ID we just used is save
2792 * here so we return with an ID that can be tried by
2793 * the next login.
1da177e4
LT		 2794 */
2795 retry++;
2796 tmp_loopid = fcport->loop_id;
2797 fcport->loop_id = mb[1];
2798
2799 DEBUG(printk("Fabric Login: port in use - next "
2800 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2801 fcport->loop_id, fcport->d_id.b.domain,
2802 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2803
2804 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2805 /*
2806 * Login succeeded.
2807 */
2808 if (retry) {
2809 /* A retry occurred before. */
2810 *next_loopid = tmp_loopid;
2811 } else {
2812 /*
2813 * No retry occurred before. Just increment the
2814 * ID value for next login.
2815 */
2816 *next_loopid = (fcport->loop_id + 1);
2817 }
2818
2819 if (mb[1] & BIT_0) {
2820 fcport->port_type = FCT_INITIATOR;
2821 } else {
2822 fcport->port_type = FCT_TARGET;
2823 if (mb[1] & BIT_1) {
2824 fcport->flags |= FCF_TAPE_PRESENT;
2825 }
2826 }
2827
ad3e0eda
AV		 2828 if (mb[10] & BIT_0)
2829 fcport->supported_classes |= FC_COS_CLASS2;
2830 if (mb[10] & BIT_1)
2831 fcport->supported_classes |= FC_COS_CLASS3;
2832
1da177e4
LT		 2833 rval = QLA_SUCCESS;
2834 break;
2835 } else if (mb[0] == MBS_LOOP_ID_USED) {
2836 /*
2837 * Loop ID already used, try next loop ID.
2838 */
2839 fcport->loop_id++;
2840 rval = qla2x00_find_new_loop_id(ha, fcport);
2841 if (rval != QLA_SUCCESS) {
2842 /* Ran out of loop IDs to use */
2843 break;
2844 }
2845 } else if (mb[0] == MBS_COMMAND_ERROR) {
2846 /*
2847 * Firmware possibly timed out during login. If NO
2848 * retries are left to do then the device is declared
2849 * dead.
2850 */
2851 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2852 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2853 fcport->d_id.b.domain, fcport->d_id.b.area,
2854 fcport->d_id.b.al_pa);
1da177e4
LT		 2855 qla2x00_mark_device_lost(ha, fcport, 1);
2856
2857 rval = 1;
2858 break;
2859 } else {
2860 /*
2861 * unrecoverable / not handled error
2862 */
2863 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2864 "loop_id=%x jiffies=%lx.\n",
2865 __func__, ha->host_no, mb[0],
1da177e4
LT		 2866 fcport->d_id.b.domain, fcport->d_id.b.area,
2867 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2868
2869 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2870 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2871 fcport->d_id.b.domain, fcport->d_id.b.area,
2872 fcport->d_id.b.al_pa);
1da177e4 2873 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2874 fcport->login_retry = 0;
1da177e4
LT		 2875
2876 rval = 3;
2877 break;
2878 }
2879 }
2880
2881 return (rval);
2882}
2883
2884/*
2885 * qla2x00_local_device_login
2886 * Issue local device login command.
2887 *
2888 * Input:
2889 * ha = adapter block pointer.
2890 * loop_id = loop id of device to login to.
2891 *
2892 * Returns (Where's the #define!!!!):
2893 * 0 - Login successfully
2894 * 1 - Login failed
2895 * 3 - Fatal error
2896 */
2897int
2898qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2899{
2900 int rval;
2901 uint16_t mb[MAILBOX_REGISTER_COUNT];
2902
2903 memset(mb, 0, sizeof(mb));
2904 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2905 if (rval == QLA_SUCCESS) {
2906 /* Interrogate mailbox registers for any errors */
2907 if (mb[0] == MBS_COMMAND_ERROR)
2908 rval = 1;
2909 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2910 /* device not in PCB table */
2911 rval = 3;
2912 }
2913
2914 return (rval);
2915}
2916
2917/*
2918 * qla2x00_loop_resync
2919 * Resync with fibre channel devices.
2920 *
2921 * Input:
2922 * ha = adapter block pointer.
2923 *
2924 * Returns:
2925 * 0 = success
2926 */
2927int
fa2a1ce5 2928qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2929{
2930 int rval;
2931 uint32_t wait_time;
2932
2933 rval = QLA_SUCCESS;
2934
2935 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2936 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2937 if (ha->flags.online) {
2938 if (!(rval = qla2x00_fw_ready(ha))) {
2939 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2940 wait_time = 256;
2941 do {
1da177e4
LT		 2942 atomic_set(&ha->loop_state, LOOP_UPDATE);
2943
0107109e
AV		 2944 /* Issue a marker after FW becomes ready. */
2945 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2946 ha->marker_needed = 0;
1da177e4
LT		 2947
2948 /* Remap devices on Loop. */
2949 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2950
2951 qla2x00_configure_loop(ha);
2952 wait_time--;
2953 } while (!atomic_read(&ha->loop_down_timer) &&
2954 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2955 wait_time &&
2956 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2957 }
1da177e4
LT		 2958 }
2959
2960 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2961 return (QLA_FUNCTION_FAILED);
2962 }
2963
2964 if (rval) {
2965 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2966 }
2967
2968 return (rval);
2969}
2970
1da177e4
LT		 2971void
2972qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2973{
2974 int rescan_done;
2975 fc_port_t *fcport;
2976
2977 rescan_done = 0;
2978 list_for_each_entry(fcport, &ha->fcports, list) {
2979 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2980 continue;
2981
2982 qla2x00_update_fcport(ha, fcport);
2983 fcport->flags &= ~FCF_RESCAN_NEEDED;
2984
2985 rescan_done = 1;
2986 }
fa2a1ce5 2987 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2988}
2989
2990/*
2991* qla2x00_abort_isp
2992* Resets ISP and aborts all outstanding commands.
2993*
2994* Input:
2995* ha = adapter block pointer.
2996*
2997* Returns:
2998* 0 = success
2999*/
3000int
3001qla2x00_abort_isp(scsi_qla_host_t *ha)
3002{
3003 unsigned long flags = 0;
3004 uint16_t cnt;
3005 srb_t *sp;
3006 uint8_t status = 0;
3007
3008 if (ha->flags.online) {
3009 ha->flags.online = 0;
3010 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3011
3012 qla_printk(KERN_INFO, ha,
3013 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3014 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3015
3016 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3017 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3018 atomic_set(&ha->loop_state, LOOP_DOWN);
3019 qla2x00_mark_all_devices_lost(ha);
3020 } else {
3021 if (!atomic_read(&ha->loop_down_timer))
3022 atomic_set(&ha->loop_down_timer,
3023 LOOP_DOWN_TIME);
3024 }
3025
3026 spin_lock_irqsave(&ha->hardware_lock, flags);
3027 /* Requeue all commands in outstanding command list. */
3028 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3029 sp = ha->outstanding_cmds[cnt];
3030 if (sp) {
3031 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3032 sp->flags = 0;
f4f051eb 3033 sp->cmd->result = DID_RESET << 16;
1da177e4 3034 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3035 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3036 }
3037 }
3038 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3039
abbd8870 3040 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3041
3042 if (!qla2x00_restart_isp(ha)) {
3043 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3044
3045 if (!atomic_read(&ha->loop_down_timer)) {
3046 /*
3047 * Issue marker command only when we are going
3048 * to start the I/O .
3049 */
3050 ha->marker_needed = 1;
3051 }
3052
3053 ha->flags.online = 1;
3054
abbd8870 3055 ha->isp_ops.enable_intrs(ha);
1da177e4 3056
fa2a1ce5 3057 ha->isp_abort_cnt = 0;
1da177e4
LT		 3058 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3059 } else { /* failed the ISP abort */
3060 ha->flags.online = 1;
3061 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3062 if (ha->isp_abort_cnt == 0) {
3063 qla_printk(KERN_WARNING, ha,
3064 "ISP error recovery failed - "
3065 "board disabled\n");
fa2a1ce5 3066 /*
1da177e4
LT		 3067 * The next call disables the board
3068 * completely.
3069 */
abbd8870 3070 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3071 ha->flags.online = 0;
3072 clear_bit(ISP_ABORT_RETRY,
3073 &ha->dpc_flags);
3074 status = 0;
3075 } else { /* schedule another ISP abort */
3076 ha->isp_abort_cnt--;
3077 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3078 "retry remaining %d\n",
1da177e4
LT		 3079 ha->host_no, ha->isp_abort_cnt);)
3080 status = 1;
3081 }
3082 } else {
3083 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3084 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3085 "- retrying (%d) more times\n",
3086 ha->host_no, ha->isp_abort_cnt);)
3087 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3088 status = 1;
3089 }
3090 }
fa2a1ce5 3091
1da177e4
LT		 3092 }
3093
3094 if (status) {
3095 qla_printk(KERN_INFO, ha,
3096 "qla2x00_abort_isp: **** FAILED ****\n");
3097 } else {
3098 DEBUG(printk(KERN_INFO
3099 "qla2x00_abort_isp(%ld): exiting.\n",
3100 ha->host_no);)
3101 }
3102
3103 return(status);
3104}
3105
3106/*
3107* qla2x00_restart_isp
3108* restarts the ISP after a reset
3109*
3110* Input:
3111* ha = adapter block pointer.
3112*
3113* Returns:
3114* 0 = success
3115*/
3116static int
3117qla2x00_restart_isp(scsi_qla_host_t *ha)
3118{
3119 uint8_t status = 0;
3d71644c 3120 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3121 unsigned long flags = 0;
3122 uint32_t wait_time;
3123
3124 /* If firmware needs to be loaded */
3125 if (qla2x00_isp_firmware(ha)) {
3126 ha->flags.online = 0;
abbd8870 3127 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3128 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3129 status = qla2x00_setup_chip(ha);
3130 goto done;
3131 }
3132
1da177e4
LT		 3133 spin_lock_irqsave(&ha->hardware_lock, flags);
3134
0107109e
AV		 3135 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3136 /*
3137 * Disable SRAM, Instruction RAM and GP RAM
3138 * parity.
3139 */
3140 WRT_REG_WORD(&reg->hccr,
3141 (HCCR_ENABLE_PARITY + 0x0));
3142 RD_REG_WORD(&reg->hccr);
3143 }
1da177e4
LT		 3144
3145 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3146
1da177e4
LT		 3147 status = qla2x00_setup_chip(ha);
3148
3149 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3150
0107109e
AV		 3151 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3152 /* Enable proper parity */
3153 if (IS_QLA2300(ha))
3154 /* SRAM parity */
3155 WRT_REG_WORD(&reg->hccr,
3156 (HCCR_ENABLE_PARITY + 0x1));
3157 else
3158 /*
3159 * SRAM, Instruction RAM and GP RAM
3160 * parity.
3161 */
3162 WRT_REG_WORD(&reg->hccr,
3163 (HCCR_ENABLE_PARITY + 0x7));
3164 RD_REG_WORD(&reg->hccr);
3165 }
1da177e4
LT		 3166
3167 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3168 }
3169 }
3170
3171 done:
3172 if (!status && !(status = qla2x00_init_rings(ha))) {
3173 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3174 if (!(status = qla2x00_fw_ready(ha))) {
3175 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3176 "status = %d\n", __func__, status);)
3177
3178 /* Issue a marker after FW becomes ready. */
3179 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3180
1da177e4
LT		 3181 ha->flags.online = 1;
3182 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3183 wait_time = 256;
3184 do {
3185 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3186 qla2x00_configure_loop(ha);
3187 wait_time--;
3188 } while (!atomic_read(&ha->loop_down_timer) &&
3189 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3190 wait_time &&
3191 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3192 }
3193
3194 /* if no cable then assume it's good */
fa2a1ce5 3195 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3196 status = 0;
3197
3198 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3199 __func__,
3200 status);)
3201 }
3202 return (status);
3203}
3204
3205/*
3206* qla2x00_reset_adapter
3207* Reset adapter.
3208*
3209* Input:
3210* ha = adapter block pointer.
3211*/
abbd8870 3212void
1da177e4
LT		 3213qla2x00_reset_adapter(scsi_qla_host_t *ha)
3214{
3215 unsigned long flags = 0;
3d71644c 3216 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3217
3218 ha->flags.online = 0;
abbd8870 3219 ha->isp_ops.disable_intrs(ha);
1da177e4 3220
1da177e4
LT		 3221 spin_lock_irqsave(&ha->hardware_lock, flags);
3222 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3223 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3224 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3225 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3227}
0107109e
AV		 3228
3229void
3230qla24xx_reset_adapter(scsi_qla_host_t *ha)
3231{
3232 unsigned long flags = 0;
3233 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3234
3235 ha->flags.online = 0;
3236 ha->isp_ops.disable_intrs(ha);
3237
3238 spin_lock_irqsave(&ha->hardware_lock, flags);
3239 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3240 RD_REG_DWORD(&reg->hccr);
3241 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3242 RD_REG_DWORD(&reg->hccr);
3243 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3244}
3245
3246int
3247qla24xx_nvram_config(scsi_qla_host_t *ha)
3248{
3249 int rval;
3250 struct init_cb_24xx *icb;
3251 struct nvram_24xx *nv;
3252 uint32_t *dptr;
3253 uint8_t *dptr1, *dptr2;
3254 uint32_t chksum;
3255 uint16_t cnt;
3256
3257 rval = QLA_SUCCESS;
3258 icb = (struct init_cb_24xx *)ha->init_cb;
3259 nv = (struct nvram_24xx *)ha->request_ring;
3260
3261 /* Determine NVRAM starting address. */
3262 ha->nvram_size = sizeof(struct nvram_24xx);
3263 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3264 if (PCI_FUNC(ha->pdev->devfn))
3265 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3266
3267 /* Get NVRAM data and calculate checksum. */
3268 dptr = (uint32_t *)nv;
3269 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3270 ha->nvram_size);
3271 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3272 chksum += le32_to_cpu(*dptr++);
3273
3274 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3275 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3276 ha->nvram_size));
3277
3278 /* Bad NVRAM data, set defaults parameters. */
3279 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3280 || nv->id[3] != ' ' ||
3281 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3282 /* Reset NVRAM data. */
3283 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3284 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3285 le16_to_cpu(nv->nvram_version));
3286 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3287 "invalid -- WWPN) defaults.\n");
3288
3289 /*
3290 * Set default initialization control block.
3291 */
3292 memset(nv, 0, ha->nvram_size);
3293 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3294 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3295 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3296 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3297 nv->exchange_count = __constant_cpu_to_le16(0);
3298 nv->hard_address = __constant_cpu_to_le16(124);
3299 nv->port_name[0] = 0x21;
3300 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3301 nv->port_name[2] = 0x00;
3302 nv->port_name[3] = 0xe0;
3303 nv->port_name[4] = 0x8b;
3304 nv->port_name[5] = 0x1c;
3305 nv->port_name[6] = 0x55;
3306 nv->port_name[7] = 0x86;
3307 nv->node_name[0] = 0x20;
3308 nv->node_name[1] = 0x00;
3309 nv->node_name[2] = 0x00;
3310 nv->node_name[3] = 0xe0;
3311 nv->node_name[4] = 0x8b;
3312 nv->node_name[5] = 0x1c;
3313 nv->node_name[6] = 0x55;
3314 nv->node_name[7] = 0x86;
3315 nv->login_retry_count = __constant_cpu_to_le16(8);
3316 nv->link_down_timeout = __constant_cpu_to_le16(200);
3317 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3318 nv->login_timeout = __constant_cpu_to_le16(0);
3319 nv->firmware_options_1 =
3320 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3321 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3322 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3323 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3324 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3325 nv->efi_parameters = __constant_cpu_to_le32(0);
3326 nv->reset_delay = 5;
3327 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3328 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3329 nv->link_down_timeout = __constant_cpu_to_le16(30);
3330
3331 rval = 1;
3332 }
3333
3334 /* Reset Initialization control block */
3335 memset(icb, 0, sizeof(struct init_cb_24xx));
3336
3337 /* Copy 1st segment. */
3338 dptr1 = (uint8_t *)icb;
3339 dptr2 = (uint8_t *)&nv->version;
3340 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3341 while (cnt--)
3342 *dptr1++ = *dptr2++;
3343
3344 icb->login_retry_count = nv->login_retry_count;
3345 icb->link_down_timeout = nv->link_down_timeout;
3346
3347 /* Copy 2nd segment. */
3348 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3349 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3350 cnt = (uint8_t *)&icb->reserved_3 -
3351 (uint8_t *)&icb->interrupt_delay_timer;
3352 while (cnt--)
3353 *dptr1++ = *dptr2++;
3354
3355 /*
3356 * Setup driver NVRAM options.
3357 */
3358 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3359 char *st, *en;
3360 uint16_t index;
3361
3362 strncpy(ha->model_number, nv->model_name,
3363 sizeof(nv->model_name));
3364 st = en = ha->model_number;
3365 en += sizeof(nv->model_name) - 1;
3366 while (en > st) {
3367 if (*en != 0x20 && *en != 0x00)
3368 break;
3369 *en-- = '\0';
3370 }
3371
3372 index = (ha->pdev->subsystem_device & 0xff);
3373 if (index < QLA_MODEL_NAMES)
3374 ha->model_desc = qla2x00_model_desc[index];
3375 } else
3376 strcpy(ha->model_number, "QLA2462");
3377
3378 /* Prepare nodename */
3379 if ((icb->firmware_options_1 & BIT_14) == 0) {
3380 /*
3381 * Firmware will apply the following mask if the nodename was
3382 * not provided.
3383 */
3384 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3385 icb->node_name[0] &= 0xF0;
3386 }
3387
3388 /* Set host adapter parameters. */
3389 ha->flags.disable_risc_code_load = 0;
3390 ha->flags.enable_lip_reset = 1;
3391 ha->flags.enable_lip_full_login = 1;
3392 ha->flags.enable_target_reset = 1;
3393 ha->flags.enable_led_scheme = 0;
3394
3395 ha->operating_mode =
3396 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3397
3398 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3399 sizeof(ha->fw_seriallink_options24));
3400
3401 /* save HBA serial number */
3402 ha->serial0 = icb->port_name[5];
3403 ha->serial1 = icb->port_name[6];
3404 ha->serial2 = icb->port_name[7];
3405 ha->node_name = icb->node_name;
3406 ha->port_name = icb->port_name;
3407
3408 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3409
3410 /* Set minimum login_timeout to 4 seconds. */
3411 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3412 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3413 if (le16_to_cpu(nv->login_timeout) < 4)
3414 nv->login_timeout = __constant_cpu_to_le16(4);
3415 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3416 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3417
3418 /* Set minimum RATOV to 200 tenths of a second. */
3419 ha->r_a_tov = 200;
3420
3421 ha->loop_reset_delay = nv->reset_delay;
3422
3423 /* Link Down Timeout = 0:
3424 *
3425 * When Port Down timer expires we will start returning
3426 * I/O's to OS with "DID_NO_CONNECT".
3427 *
3428 * Link Down Timeout != 0:
3429 *
3430 * The driver waits for the link to come up after link down
3431 * before returning I/Os to OS with "DID_NO_CONNECT".
3432 */
3433 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3434 ha->loop_down_abort_time =
3435 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3436 } else {
3437 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3438 ha->loop_down_abort_time =
3439 (LOOP_DOWN_TIME - ha->link_down_timeout);
3440 }
3441
3442 /* Need enough time to try and get the port back. */
3443 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3444 if (qlport_down_retry)
3445 ha->port_down_retry_count = qlport_down_retry;
3446
3447 /* Set login_retry_count */
3448 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3449 if (ha->port_down_retry_count ==
3450 le16_to_cpu(nv->port_down_retry_count) &&
3451 ha->port_down_retry_count > 3)
3452 ha->login_retry_count = ha->port_down_retry_count;
3453 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3454 ha->login_retry_count = ha->port_down_retry_count;
3455 if (ql2xloginretrycount)
3456 ha->login_retry_count = ql2xloginretrycount;
3457
4fdfefe5
AV		 3458 /* Enable ZIO. */
3459 if (!ha->flags.init_done) {
3460 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3461 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3462 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3463 le16_to_cpu(icb->interrupt_delay_timer): 2;
3464 }
3465 icb->firmware_options_2 &= __constant_cpu_to_le32(
3466 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3467 ha->flags.process_response_queue = 0;
3468 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3469 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3470 "(%d us).\n", ha->host_no, ha->zio_mode,
3471 ha->zio_timer * 100));
3472 qla_printk(KERN_INFO, ha,
3473 "ZIO mode %d enabled; timer delay (%d us).\n",
3474 ha->zio_mode, ha->zio_timer * 100);
3475
3476 icb->firmware_options_2 |= cpu_to_le32(
3477 (uint32_t)ha->zio_mode);
3478 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3479 ha->flags.process_response_queue = 1;
3480 }
3481
0107109e
AV		 3482 if (rval) {
3483 DEBUG2_3(printk(KERN_WARNING
3484 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3485 }
3486 return (rval);
3487}
3488
5433383e
AV		 3489#if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
3490
0107109e
AV		 3491int
3492qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3493{
5433383e
AV		 3494 int rval, num, i;
3495 uint32_t cnt;
3496 uint16_t *risc_code;
3497 uint32_t risc_addr, risc_size;
3498 uint16_t *req_ring;
0107109e
AV		 3499 struct qla_fw_info *fw_iter;
3500
3501 rval = QLA_SUCCESS;
3502
3503 /* Load firmware sequences */
3504 fw_iter = ha->brd_info->fw_info;
3505 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3506 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3507 risc_code = fw_iter->fwcode;
5433383e
AV		 3508 risc_size = *fw_iter->fwlen;
3509 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
3510 risc_addr = *fw_iter->fwstart;
3511 else
3512 risc_addr = *fw_iter->lfwstart;
0107109e
AV		 3513
3514 num = 0;
3515 rval = 0;
5433383e 3516 while (risc_size > 0 && !rval) {
0107109e 3517 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
5433383e
AV		 3518 if (cnt > risc_size)
3519 cnt = risc_size;
0107109e
AV		 3520
3521 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3522 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
5433383e 3523 ha->host_no, risc_code, cnt, risc_addr));
0107109e
AV		 3524
3525 req_ring = (uint16_t *)ha->request_ring;
3526 for (i = 0; i < cnt; i++)
3527 req_ring[i] = cpu_to_le16(risc_code[i]);
3528
5433383e
AV		 3529 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3530 cnt);
0107109e
AV		 3531 if (rval) {
3532 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3533 "load segment %d of firmware\n",
3534 ha->host_no, num));
3535 qla_printk(KERN_WARNING, ha,
3536 "[ERROR] Failed to load segment %d of "
3537 "firmware\n", num);
3538
3539 qla2x00_dump_regs(ha);
3540 break;
3541 }
3542
3543 risc_code += cnt;
5433383e
AV		 3544 risc_addr += cnt;
3545 risc_size -= cnt;
0107109e
AV		 3546 num++;
3547 }
3548
3549 /* Next firmware sequence */
3550 fw_iter++;
3551 }
5433383e 3552 return rval;
0107109e
AV		 3553}
3554
331e3476
AV		 3555int
3556qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3557{
3558 int rval, num, i;
3559 uint32_t cnt;
3560 uint32_t *risc_code;
3561 uint32_t risc_addr, risc_size;
3562 uint32_t *req_ring;
3563 struct qla_fw_info *fw_iter;
3564
3565 rval = QLA_SUCCESS;
3566
3567 /* Load firmware sequences */
3568 fw_iter = ha->brd_info->fw_info;
3569 *srisc_addr = *((uint32_t *)fw_iter->lfwstart);
3570 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3571 risc_code = (uint32_t *)fw_iter->fwcode;
3572 risc_size = *((uint32_t *)fw_iter->fwlen);
3573 risc_addr = *((uint32_t *)fw_iter->lfwstart);
3574
3575 num = 0;
3576 rval = 0;
3577 while (risc_size > 0 && !rval) {
3578 cnt = (uint32_t)(ha->fw_transfer_size >> 2);
3579 if (cnt > risc_size)
3580 cnt = risc_size;
3581
3582 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3583 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3584 ha->host_no, risc_code, cnt, risc_addr));
3585
3586 req_ring = (uint32_t *)ha->request_ring;
3587 for (i = 0; i < cnt; i++)
3588 req_ring[i] = cpu_to_le32(risc_code[i]);
3589
3590 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3591 cnt);
3592 if (rval) {
3593 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3594 "load segment %d of firmware\n",
3595 ha->host_no, num));
3596 qla_printk(KERN_WARNING, ha,
3597 "[ERROR] Failed to load segment %d of "
3598 "firmware\n", num);
3599
3600 qla2x00_dump_regs(ha);
3601 break;
3602 }
3603
3604 risc_code += cnt;
3605 risc_addr += cnt;
3606 risc_size -= cnt;
3607 num++;
3608 }
3609
3610 /* Next firmware sequence */
3611 fw_iter++;
3612 }
3613 return rval;
3614}
3615
0107109e
AV		 3616int
3617qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3618{
3619 int rval;
3620 int segments, fragment;
3621 uint32_t faddr;
3622 uint32_t *dcode, dlen;
3623 uint32_t risc_addr;
3624 uint32_t risc_size;
3625 uint32_t i;
3626
3627 rval = QLA_SUCCESS;
3628
3629 segments = FA_RISC_CODE_SEGMENTS;
3630 faddr = FA_RISC_CODE_ADDR;
3631 dcode = (uint32_t *)ha->request_ring;
3632 *srisc_addr = 0;
3633
3634 /* Validate firmware image by checking version. */
3635 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3636 for (i = 0; i < 4; i++)
3637 dcode[i] = be32_to_cpu(dcode[i]);
3638 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3639 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3640 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3641 dcode[3] == 0)) {
3642 qla_printk(KERN_WARNING, ha,
3643 "Unable to verify integrity of flash firmware image!\n");
3644 qla_printk(KERN_WARNING, ha,
3645 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3646 dcode[1], dcode[2], dcode[3]);
3647
3648 return QLA_FUNCTION_FAILED;
3649 }
3650
3651 while (segments && rval == QLA_SUCCESS) {
3652 /* Read segment's load information. */
3653 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3654
3655 risc_addr = be32_to_cpu(dcode[2]);
3656 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3657 risc_size = be32_to_cpu(dcode[3]);
3658
3659 fragment = 0;
3660 while (risc_size > 0 && rval == QLA_SUCCESS) {
3661 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3662 if (dlen > risc_size)
3663 dlen = risc_size;
3664
3665 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3666 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3667 ha->host_no, risc_addr, dlen, faddr));
3668
3669 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3670 for (i = 0; i < dlen; i++)
3671 dcode[i] = swab32(dcode[i]);
3672
3673 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3674 risc_addr, dlen);
3675 if (rval) {
3676 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3677 "segment %d of firmware\n", ha->host_no,
3678 fragment));
3679 qla_printk(KERN_WARNING, ha,
3680 "[ERROR] Failed to load segment %d of "
3681 "firmware\n", fragment);
3682 break;
3683 }
3684
3685 faddr += dlen;
3686 risc_addr += dlen;
3687 risc_size -= dlen;
3688 fragment++;
3689 }
3690
3691 /* Next segment. */
3692 segments--;
3693 }
3694
3695 return rval;
3696}
3697
5433383e
AV		 3698#else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
3699
0107109e 3700int
5433383e
AV		 3701qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3702{
3703 int rval;
3704 int i, fragment;
3705 uint16_t *wcode, *fwcode;
3706 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3707 struct fw_blob *blob;
3708
3709 /* Load firmware blob. */
3710 blob = qla2x00_request_firmware(ha);
3711 if (!blob) {
3712 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3713 return QLA_FUNCTION_FAILED;
3714 }
3715
3716 rval = QLA_SUCCESS;
3717
3718 wcode = (uint16_t *)ha->request_ring;
3719 *srisc_addr = 0;
3720 fwcode = (uint16_t *)blob->fw->data;
3721 fwclen = 0;
3722
3723 /* Validate firmware image by checking version. */
3724 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3725 qla_printk(KERN_WARNING, ha,
3726 "Unable to verify integrity of firmware image (%Zd)!\n",
3727 blob->fw->size);
3728 goto fail_fw_integrity;
3729 }
3730 for (i = 0; i < 4; i++)
3731 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3732 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3733 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3734 wcode[2] == 0 && wcode[3] == 0)) {
3735 qla_printk(KERN_WARNING, ha,
3736 "Unable to verify integrity of firmware image!\n");
3737 qla_printk(KERN_WARNING, ha,
3738 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3739 wcode[1], wcode[2], wcode[3]);
3740 goto fail_fw_integrity;
3741 }
3742
3743 seg = blob->segs;
3744 while (*seg && rval == QLA_SUCCESS) {
3745 risc_addr = *seg;
3746 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3747 risc_size = be16_to_cpu(fwcode[3]);
3748
3749 /* Validate firmware image size. */
3750 fwclen += risc_size * sizeof(uint16_t);
3751 if (blob->fw->size < fwclen) {
3752 qla_printk(KERN_WARNING, ha,
3753 "Unable to verify integrity of firmware image "
3754 "(%Zd)!\n", blob->fw->size);
3755 goto fail_fw_integrity;
3756 }
3757
3758 fragment = 0;
3759 while (risc_size > 0 && rval == QLA_SUCCESS) {
3760 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3761 if (wlen > risc_size)
3762 wlen = risc_size;
3763
3764 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3765 "addr %x, number of words 0x%x.\n", ha->host_no,
3766 risc_addr, wlen));
3767
3768 for (i = 0; i < wlen; i++)
3769 wcode[i] = swab16(fwcode[i]);
3770
3771 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3772 wlen);
3773 if (rval) {
3774 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3775 "segment %d of firmware\n", ha->host_no,
3776 fragment));
3777 qla_printk(KERN_WARNING, ha,
3778 "[ERROR] Failed to load segment %d of "
3779 "firmware\n", fragment);
3780 break;
3781 }
3782
3783 fwcode += wlen;
3784 risc_addr += wlen;
3785 risc_size -= wlen;
3786 fragment++;
3787 }
3788
3789 /* Next segment. */
3790 seg++;
3791 }
3792 return rval;
3793
3794fail_fw_integrity:
3795 return QLA_FUNCTION_FAILED;
3796}
3797
3798int
3799qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3800{
3801 int rval;
3802 int segments, fragment;
3803 uint32_t *dcode, dlen;
3804 uint32_t risc_addr;
3805 uint32_t risc_size;
3806 uint32_t i;
5433383e 3807 struct fw_blob *blob;
0107109e
AV		 3808 uint32_t *fwcode, fwclen;
3809
5433383e
AV		 3810 /* Load firmware blob. */
3811 blob = qla2x00_request_firmware(ha);
3812 if (!blob) {
3813 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
0107109e
AV		 3814 return QLA_FUNCTION_FAILED;
3815 }
3816
3817 rval = QLA_SUCCESS;
3818
3819 segments = FA_RISC_CODE_SEGMENTS;
3820 dcode = (uint32_t *)ha->request_ring;
3821 *srisc_addr = 0;
5433383e 3822 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3823 fwclen = 0;
3824
3825 /* Validate firmware image by checking version. */
5433383e 3826 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3827 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3828 "Unable to verify integrity of firmware image (%Zd)!\n",
3829 blob->fw->size);
0107109e
AV		 3830 goto fail_fw_integrity;
3831 }
3832 for (i = 0; i < 4; i++)
3833 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3834 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3835 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3836 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3837 dcode[3] == 0)) {
3838 qla_printk(KERN_WARNING, ha,
5433383e 3839 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3840 qla_printk(KERN_WARNING, ha,
3841 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3842 dcode[1], dcode[2], dcode[3]);
3843 goto fail_fw_integrity;
3844 }
3845
3846 while (segments && rval == QLA_SUCCESS) {
3847 risc_addr = be32_to_cpu(fwcode[2]);
3848 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3849 risc_size = be32_to_cpu(fwcode[3]);
3850
3851 /* Validate firmware image size. */
3852 fwclen += risc_size * sizeof(uint32_t);
5433383e 3853 if (blob->fw->size < fwclen) {
0107109e 3854 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3855 "Unable to verify integrity of firmware image "
3856 "(%Zd)!\n", blob->fw->size);
3857
0107109e
AV		 3858 goto fail_fw_integrity;
3859 }
3860
3861 fragment = 0;
3862 while (risc_size > 0 && rval == QLA_SUCCESS) {
3863 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3864 if (dlen > risc_size)
3865 dlen = risc_size;
3866
3867 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3868 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3869 risc_addr, dlen));
3870
3871 for (i = 0; i < dlen; i++)
3872 dcode[i] = swab32(fwcode[i]);
3873
3874 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3875 risc_addr, dlen);
3876 if (rval) {
3877 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3878 "segment %d of firmware\n", ha->host_no,
3879 fragment));
3880 qla_printk(KERN_WARNING, ha,
3881 "[ERROR] Failed to load segment %d of "
3882 "firmware\n", fragment);
3883 break;
3884 }
3885
3886 fwcode += dlen;
3887 risc_addr += dlen;
3888 risc_size -= dlen;
3889 fragment++;
3890 }
3891
3892 /* Next segment. */
3893 segments--;
3894 }
0107109e
AV		 3895 return rval;
3896
3897fail_fw_integrity:
0107109e 3898 return QLA_FUNCTION_FAILED;
0107109e 3899}
5433383e 3900#endif
kernel source for telekom puls (alcatel/mediatek)