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[SCSI] qla2xxx: Reduce lock-contention during do-work processing.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
73208dfd 8#include "qla_gbl.h"
1da177e4
LT		 9
10#include <linux/delay.h>
0107109e 11#include <linux/vmalloc.h>
1da177e4
LT		 12
13#include "qla_devtbl.h"
14
4e08df3f
DM		 15#ifdef CONFIG_SPARC
16#include <asm/prom.h>
4e08df3f
DM		 17#endif
18
1da177e4
LT		 19/*
20* QLogic ISP2x00 Hardware Support Function Prototypes.
21*/
1da177e4 22static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4 23static int qla2x00_setup_chip(scsi_qla_host_t *);
1da177e4
LT		 24static int qla2x00_init_rings(scsi_qla_host_t *);
25static int qla2x00_fw_ready(scsi_qla_host_t *);
26static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 27static int qla2x00_configure_loop(scsi_qla_host_t *);
28static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 29static int qla2x00_configure_fabric(scsi_qla_host_t *);
30static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
31static int qla2x00_device_resync(scsi_qla_host_t *);
32static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
33 uint16_t *);
1da177e4
LT		 34
35static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 36
e315cd28 37static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
413975a0 38
4d4df193
HK		 39static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40static int qla84xx_init_chip(scsi_qla_host_t *);
73208dfd 41static int qla25xx_init_queues(struct qla_hw_data *);
4d4df193 42
1da177e4
LT		 43/****************************************************************************/
44/* QLogic ISP2x00 Hardware Support Functions. */
45/****************************************************************************/
46
47/*
48* qla2x00_initialize_adapter
49* Initialize board.
50*
51* Input:
52* ha = adapter block pointer.
53*
54* Returns:
55* 0 = success
56*/
57int
e315cd28 58qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 59{
60 int rval;
e315cd28 61 struct qla_hw_data *ha = vha->hw;
73208dfd 62 struct req_que *req = ha->req_q_map[0];
2533cf67 63
1da177e4 64 /* Clear adapter flags. */
e315cd28 65 vha->flags.online = 0;
2533cf67 66 ha->flags.chip_reset_done = 0;
e315cd28
AC		 67 vha->flags.reset_active = 0;
68 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
69 atomic_set(&vha->loop_state, LOOP_DOWN);
70 vha->device_flags = DFLG_NO_CABLE;
71 vha->dpc_flags = 0;
72 vha->flags.management_server_logged_in = 0;
73 vha->marker_needed = 0;
1da177e4
LT		 74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
e315cd28 76 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 77
73208dfd
AC		 78 set_bit(0, ha->req_qid_map);
79 set_bit(0, ha->rsp_qid_map);
80
0107109e 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
e315cd28 82 rval = ha->isp_ops->pci_config(vha);
1da177e4 83 if (rval) {
7c98a046 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
e315cd28 85 vha->host_no));
1da177e4
LT		 86 return (rval);
87 }
88
e315cd28 89 ha->isp_ops->reset_chip(vha);
1da177e4 90
e315cd28 91 rval = qla2xxx_get_flash_info(vha);
c00d8994
AV		 92 if (rval) {
93 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
e315cd28 94 vha->host_no));
c00d8994
AV		 95 return (rval);
96 }
97
73208dfd 98 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 99
1da177e4 100 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 101
e315cd28 102 ha->isp_ops->nvram_config(vha);
1da177e4 103
d4c760c2
AV		 104 if (ha->flags.disable_serdes) {
105 /* Mask HBA via NVRAM settings? */
106 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
107 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
e315cd28
AC		 108 vha->port_name[0], vha->port_name[1],
109 vha->port_name[2], vha->port_name[3],
110 vha->port_name[4], vha->port_name[5],
111 vha->port_name[6], vha->port_name[7]);
d4c760c2
AV		 112 return QLA_FUNCTION_FAILED;
113 }
114
1da177e4
LT		 115 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
116
e315cd28
AC		 117 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
118 rval = ha->isp_ops->chip_diag(vha);
d19044c3
AV		 119 if (rval)
120 return (rval);
e315cd28 121 rval = qla2x00_setup_chip(vha);
d19044c3
AV		 122 if (rval)
123 return (rval);
1da177e4 124 }
4d4df193 125 if (IS_QLA84XX(ha)) {
e315cd28 126 ha->cs84xx = qla84xx_get_chip(vha);
4d4df193
HK		 127 if (!ha->cs84xx) {
128 qla_printk(KERN_ERR, ha,
129 "Unable to configure ISP84XX.\n");
130 return QLA_FUNCTION_FAILED;
131 }
132 }
e315cd28 133 rval = qla2x00_init_rings(vha);
2533cf67 134 ha->flags.chip_reset_done = 1;
1da177e4
LT		 135
136 return (rval);
137}
138
139/**
abbd8870 140 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 141 * @ha: HA context
142 *
143 * Returns 0 on success.
144 */
abbd8870 145int
e315cd28 146qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 147{
a157b101 148 uint16_t w;
abbd8870 149 unsigned long flags;
e315cd28 150 struct qla_hw_data *ha = vha->hw;
3d71644c 151 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 152
1da177e4 153 pci_set_master(ha->pdev);
af6177d8 154 pci_try_set_mwi(ha->pdev);
1da177e4 155
1da177e4 156 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 157 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 158 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
159
737faece 160 pci_disable_rom(ha->pdev);
1da177e4
LT		 161
162 /* Get PCI bus information. */
163 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 164 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
166
abbd8870
AV		 167 return QLA_SUCCESS;
168}
1da177e4 169
abbd8870
AV		 170/**
171 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
172 * @ha: HA context
173 *
174 * Returns 0 on success.
175 */
176int
e315cd28 177qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 178{
a157b101 179 uint16_t w;
abbd8870
AV		 180 unsigned long flags = 0;
181 uint32_t cnt;
e315cd28 182 struct qla_hw_data *ha = vha->hw;
3d71644c 183 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 184
abbd8870 185 pci_set_master(ha->pdev);
af6177d8 186 pci_try_set_mwi(ha->pdev);
1da177e4 187
abbd8870 188 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 189 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 190
abbd8870
AV		 191 if (IS_QLA2322(ha) || IS_QLA6322(ha))
192 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 193 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 194
abbd8870
AV		 195 /*
196 * If this is a 2300 card and not 2312, reset the
197 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
198 * the 2310 also reports itself as a 2300 so we need to get the
199 * fb revision level -- a 6 indicates it really is a 2300 and
200 * not a 2310.
201 */
202 if (IS_QLA2300(ha)) {
203 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 204
abbd8870 205 /* Pause RISC. */
3d71644c 206 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 207 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 208 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 209 break;
1da177e4 210
abbd8870
AV		 211 udelay(10);
212 }
1da177e4 213
abbd8870 214 /* Select FPM registers. */
3d71644c
AV		 215 WRT_REG_WORD(&reg->ctrl_status, 0x20);
216 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 217
218 /* Get the fb rev level */
3d71644c 219 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 220
221 if (ha->fb_rev == FPM_2300)
a157b101 222 pci_clear_mwi(ha->pdev);
abbd8870
AV		 223
224 /* Deselect FPM registers. */
3d71644c
AV		 225 WRT_REG_WORD(&reg->ctrl_status, 0x0);
226 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 227
228 /* Release RISC module. */
3d71644c 229 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 230 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 231 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 232 break;
233
234 udelay(10);
1da177e4 235 }
1da177e4 236
abbd8870
AV		 237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238 }
1da177e4 239
abbd8870
AV		 240 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
241
737faece 242 pci_disable_rom(ha->pdev);
1da177e4 243
abbd8870
AV		 244 /* Get PCI bus information. */
245 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 246 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
248
249 return QLA_SUCCESS;
1da177e4
LT		 250}
251
0107109e
AV		 252/**
253 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
254 * @ha: HA context
255 *
256 * Returns 0 on success.
257 */
258int
e315cd28 259qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 260{
a157b101 261 uint16_t w;
0107109e 262 unsigned long flags = 0;
e315cd28 263 struct qla_hw_data *ha = vha->hw;
0107109e 264 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 265
266 pci_set_master(ha->pdev);
af6177d8 267 pci_try_set_mwi(ha->pdev);
0107109e
AV		 268
269 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 270 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 271 w &= ~PCI_COMMAND_INTX_DISABLE;
272 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
273
274 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
275
276 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 277 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
278 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 279
280 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 281 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
282 pcie_set_readrq(ha->pdev, 2048);
0107109e 283
737faece 284 pci_disable_rom(ha->pdev);
0107109e 285
44c10138 286 ha->chip_revision = ha->pdev->revision;
a8488abe 287
0107109e
AV		 288 /* Get PCI bus information. */
289 spin_lock_irqsave(&ha->hardware_lock, flags);
290 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
292
293 return QLA_SUCCESS;
294}
295
c3a2f0df
AV		 296/**
297 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
298 * @ha: HA context
299 *
300 * Returns 0 on success.
301 */
302int
e315cd28 303qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 304{
305 uint16_t w;
e315cd28 306 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 307
308 pci_set_master(ha->pdev);
309 pci_try_set_mwi(ha->pdev);
310
311 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
312 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
313 w &= ~PCI_COMMAND_INTX_DISABLE;
314 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
315
316 /* PCIe -- adjust Maximum Read Request Size (2048). */
317 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
318 pcie_set_readrq(ha->pdev, 2048);
319
737faece 320 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 321
322 ha->chip_revision = ha->pdev->revision;
323
324 return QLA_SUCCESS;
325}
326
1da177e4
LT		 327/**
328 * qla2x00_isp_firmware() - Choose firmware image.
329 * @ha: HA context
330 *
331 * Returns 0 on success.
332 */
333static int
e315cd28 334qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 335{
336 int rval;
42e421b1
AV		 337 uint16_t loop_id, topo, sw_cap;
338 uint8_t domain, area, al_pa;
e315cd28 339 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 340
341 /* Assume loading risc code */
fa2a1ce5 342 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 343
344 if (ha->flags.disable_risc_code_load) {
345 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 346 vha->host_no));
1da177e4
LT		 347 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
348
349 /* Verify checksum of loaded RISC code. */
e315cd28 350 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 351 if (rval == QLA_SUCCESS) {
352 /* And, verify we are not in ROM code. */
e315cd28 353 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 354 &area, &domain, &topo, &sw_cap);
355 }
1da177e4
LT		 356 }
357
358 if (rval) {
359 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 360 vha->host_no));
1da177e4
LT		 361 }
362
363 return (rval);
364}
365
366/**
367 * qla2x00_reset_chip() - Reset ISP chip.
368 * @ha: HA context
369 *
370 * Returns 0 on success.
371 */
abbd8870 372void
e315cd28 373qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 374{
375 unsigned long flags = 0;
e315cd28 376 struct qla_hw_data *ha = vha->hw;
3d71644c 377 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 378 uint32_t cnt;
1da177e4
LT		 379 uint16_t cmd;
380
fd34f556 381 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 382
383 spin_lock_irqsave(&ha->hardware_lock, flags);
384
385 /* Turn off master enable */
386 cmd = 0;
387 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
388 cmd &= ~PCI_COMMAND_MASTER;
389 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
390
391 if (!IS_QLA2100(ha)) {
392 /* Pause RISC. */
393 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
394 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
395 for (cnt = 0; cnt < 30000; cnt++) {
396 if ((RD_REG_WORD(&reg->hccr) &
397 HCCR_RISC_PAUSE) != 0)
398 break;
399 udelay(100);
400 }
401 } else {
402 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
403 udelay(10);
404 }
405
406 /* Select FPM registers. */
407 WRT_REG_WORD(&reg->ctrl_status, 0x20);
408 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
409
410 /* FPM Soft Reset. */
411 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
412 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
413
414 /* Toggle Fpm Reset. */
415 if (!IS_QLA2200(ha)) {
416 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
417 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
418 }
419
420 /* Select frame buffer registers. */
421 WRT_REG_WORD(&reg->ctrl_status, 0x10);
422 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
423
424 /* Reset frame buffer FIFOs. */
425 if (IS_QLA2200(ha)) {
426 WRT_FB_CMD_REG(ha, reg, 0xa000);
427 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
428 } else {
429 WRT_FB_CMD_REG(ha, reg, 0x00fc);
430
431 /* Read back fb_cmd until zero or 3 seconds max */
432 for (cnt = 0; cnt < 3000; cnt++) {
433 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
434 break;
435 udelay(100);
436 }
437 }
438
439 /* Select RISC module registers. */
440 WRT_REG_WORD(&reg->ctrl_status, 0);
441 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
442
443 /* Reset RISC processor. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
445 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
446
447 /* Release RISC processor. */
448 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
449 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
450 }
451
452 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
453 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
454
455 /* Reset ISP chip. */
456 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
457
458 /* Wait for RISC to recover from reset. */
459 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
460 /*
461 * It is necessary to for a delay here since the card doesn't
462 * respond to PCI reads during a reset. On some architectures
463 * this will result in an MCA.
464 */
465 udelay(20);
466 for (cnt = 30000; cnt; cnt--) {
467 if ((RD_REG_WORD(&reg->ctrl_status) &
468 CSR_ISP_SOFT_RESET) == 0)
469 break;
470 udelay(100);
471 }
472 } else
473 udelay(10);
474
475 /* Reset RISC processor. */
476 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
477
478 WRT_REG_WORD(&reg->semaphore, 0);
479
480 /* Release RISC processor. */
481 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
482 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
483
484 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
485 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 486 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 487 break;
1da177e4
LT		 488
489 udelay(100);
490 }
491 } else
492 udelay(100);
493
494 /* Turn on master enable */
495 cmd |= PCI_COMMAND_MASTER;
496 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
497
498 /* Disable RISC pause on FPM parity error. */
499 if (!IS_QLA2100(ha)) {
500 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
501 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
502 }
503
504 spin_unlock_irqrestore(&ha->hardware_lock, flags);
505}
506
0107109e 507/**
88c26663 508 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 509 * @ha: HA context
510 *
511 * Returns 0 on success.
512 */
88c26663 513static inline void
e315cd28 514qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e
AV		 515{
516 unsigned long flags = 0;
e315cd28 517 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 518 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
519 uint32_t cnt, d2;
335a1cc9 520 uint16_t wd;
0107109e 521
0107109e
AV		 522 spin_lock_irqsave(&ha->hardware_lock, flags);
523
524 /* Reset RISC. */
525 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
526 for (cnt = 0; cnt < 30000; cnt++) {
527 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
528 break;
529
530 udelay(10);
531 }
532
533 WRT_REG_DWORD(&reg->ctrl_status,
534 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 535 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 536
335a1cc9 537 udelay(100);
88c26663 538 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 539 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
540 for (cnt = 10000 ; cnt && d2; cnt--) {
541 udelay(5);
542 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
543 barrier();
544 }
545
335a1cc9 546 /* Wait for soft-reset to complete. */
0107109e
AV		 547 d2 = RD_REG_DWORD(&reg->ctrl_status);
548 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
549 udelay(5);
550 d2 = RD_REG_DWORD(&reg->ctrl_status);
551 barrier();
552 }
553
554 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
555 RD_REG_DWORD(&reg->hccr);
556
557 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
558 RD_REG_DWORD(&reg->hccr);
559
560 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
561 RD_REG_DWORD(&reg->hccr);
562
563 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
564 for (cnt = 6000000 ; cnt && d2; cnt--) {
565 udelay(5);
566 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
567 barrier();
568 }
569
570 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 571
572 if (IS_NOPOLLING_TYPE(ha))
573 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 574}
575
88c26663
AV		 576/**
577 * qla24xx_reset_chip() - Reset ISP24xx chip.
578 * @ha: HA context
579 *
580 * Returns 0 on success.
581 */
582void
e315cd28 583qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 584{
e315cd28 585 struct qla_hw_data *ha = vha->hw;
fd34f556 586 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 587
588 /* Perform RISC reset. */
e315cd28 589 qla24xx_reset_risc(vha);
88c26663
AV		 590}
591
1da177e4
LT		 592/**
593 * qla2x00_chip_diag() - Test chip for proper operation.
594 * @ha: HA context
595 *
596 * Returns 0 on success.
597 */
abbd8870 598int
e315cd28 599qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 600{
601 int rval;
e315cd28 602 struct qla_hw_data *ha = vha->hw;
3d71644c 603 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 604 unsigned long flags = 0;
605 uint16_t data;
606 uint32_t cnt;
607 uint16_t mb[5];
73208dfd 608 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 609
610 /* Assume a failed state */
611 rval = QLA_FUNCTION_FAILED;
612
613 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 614 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 615
616 spin_lock_irqsave(&ha->hardware_lock, flags);
617
618 /* Reset ISP chip. */
619 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
620
621 /*
622 * We need to have a delay here since the card will not respond while
623 * in reset causing an MCA on some architectures.
624 */
625 udelay(20);
626 data = qla2x00_debounce_register(&reg->ctrl_status);
627 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
628 udelay(5);
629 data = RD_REG_WORD(&reg->ctrl_status);
630 barrier();
631 }
632
633 if (!cnt)
634 goto chip_diag_failed;
635
636 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
7640335e 637 vha->host_no));
1da177e4
LT		 638
639 /* Reset RISC processor. */
640 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
641 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
642
643 /* Workaround for QLA2312 PCI parity error */
644 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
645 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
646 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
647 udelay(5);
648 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 649 barrier();
1da177e4
LT		 650 }
651 } else
652 udelay(10);
653
654 if (!cnt)
655 goto chip_diag_failed;
656
657 /* Check product ID of chip */
7640335e 658 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1da177e4
LT		 659
660 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
661 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
662 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
663 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
664 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
665 mb[3] != PROD_ID_3) {
666 qla_printk(KERN_WARNING, ha,
667 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
668
669 goto chip_diag_failed;
670 }
671 ha->product_id[0] = mb[1];
672 ha->product_id[1] = mb[2];
673 ha->product_id[2] = mb[3];
674 ha->product_id[3] = mb[4];
675
676 /* Adjust fw RISC transfer size */
73208dfd 677 if (req->length > 1024)
1da177e4
LT		 678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
679 else
680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 681 req->length;
1da177e4
LT		 682
683 if (IS_QLA2200(ha) &&
684 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
685 /* Limit firmware transfer size with a 2200A */
686 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 687 vha->host_no));
1da177e4 688
ea5b6382 689 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 690 ha->fw_transfer_size = 128;
691 }
692
693 /* Wrap Incoming Mailboxes Test. */
694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
e315cd28
AC		 696 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
697 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 700 vha->host_no));
1da177e4
LT		 701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 }
704 else {
705 /* Flag a successful rval */
706 rval = QLA_SUCCESS;
707 }
708 spin_lock_irqsave(&ha->hardware_lock, flags);
709
710chip_diag_failed:
711 if (rval)
712 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 713 "****\n", vha->host_no));
1da177e4
LT		 714
715 spin_unlock_irqrestore(&ha->hardware_lock, flags);
716
717 return (rval);
718}
719
0107109e
AV		 720/**
721 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
722 * @ha: HA context
723 *
724 * Returns 0 on success.
725 */
726int
e315cd28 727qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 728{
729 int rval;
e315cd28 730 struct qla_hw_data *ha = vha->hw;
73208dfd 731 struct req_que *req = ha->req_q_map[0];
0107109e 732
73208dfd 733 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 734
e315cd28 735 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 736 if (rval) {
737 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 738 vha->host_no));
0107109e
AV		 739 qla_printk(KERN_WARNING, ha,
740 "Failed mailbox send register test\n");
741 } else {
742 /* Flag a successful rval */
743 rval = QLA_SUCCESS;
744 }
745
746 return rval;
747}
748
a7a167bf 749void
e315cd28 750qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 751{
a7a167bf
AV		 752 int rval;
753 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 754 eft_size, fce_size, mq_size;
df613b96
AV		 755 dma_addr_t tc_dma;
756 void *tc;
e315cd28 757 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 758 struct req_que *req = ha->req_q_map[0];
759 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 760
761 if (ha->fw_dump) {
762 qla_printk(KERN_WARNING, ha,
763 "Firmware dump previously allocated.\n");
764 return;
765 }
d4e3e04d 766
0107109e 767 ha->fw_dumped = 0;
73208dfd 768 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 769 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 770 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 771 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 772 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
773 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
774 sizeof(uint16_t);
e428924c 775 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 776 if (IS_QLA81XX(ha))
777 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
778 else if (IS_QLA25XX(ha))
779 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
780 else
781 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 782 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
783 sizeof(uint32_t);
73208dfd
AC		 784 if (ha->mqenable)
785 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 786 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 787 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 788 goto try_eft;
df613b96
AV		 789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 795 goto try_eft;
df613b96
AV		 796 }
797
798 memset(tc, 0, FCE_SIZE);
e315cd28 799 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
17d98630 807 goto try_eft;
df613b96
AV		 808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
7d9dade3 813 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
436a7b11
AV		 817try_eft:
818 /* Allocate memory for Extended Trace Buffer. */
819 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
820 GFP_KERNEL);
821 if (!tc) {
822 qla_printk(KERN_WARNING, ha, "Unable to allocate "
823 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
824 goto cont_alloc;
825 }
826
827 memset(tc, 0, EFT_SIZE);
e315cd28 828 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 829 if (rval) {
830 qla_printk(KERN_WARNING, ha, "Unable to initialize "
831 "EFT (%d).\n", rval);
832 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
833 tc_dma);
834 goto cont_alloc;
835 }
836
837 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
838 EFT_SIZE / 1024);
839
840 eft_size = EFT_SIZE;
841 ha->eft_dma = tc_dma;
842 ha->eft = tc;
d4e3e04d 843 }
a7a167bf 844cont_alloc:
73208dfd
AC		 845 req_q_size = req->length * sizeof(request_t);
846 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 847
848 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 849 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 850 ha->chain_offset = dump_size;
851 dump_size += mq_size + fce_size;
d4e3e04d
AV		 852
853 ha->fw_dump = vmalloc(dump_size);
a7a167bf 854 if (!ha->fw_dump) {
0107109e 855 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 856 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 857
858 if (ha->eft) {
859 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
860 ha->eft_dma);
861 ha->eft = NULL;
862 ha->eft_dma = 0;
863 }
864 return;
865 }
a7a167bf
AV		 866 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
867 dump_size / 1024);
868
869 ha->fw_dump_len = dump_size;
870 ha->fw_dump->signature[0] = 'Q';
871 ha->fw_dump->signature[1] = 'L';
872 ha->fw_dump->signature[2] = 'G';
873 ha->fw_dump->signature[3] = 'C';
874 ha->fw_dump->version = __constant_htonl(1);
875
876 ha->fw_dump->fixed_size = htonl(fixed_size);
877 ha->fw_dump->mem_size = htonl(mem_size);
878 ha->fw_dump->req_q_size = htonl(req_q_size);
879 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
880
881 ha->fw_dump->eft_size = htonl(eft_size);
882 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
883 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
884
885 ha->fw_dump->header_size =
886 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 887}
888
1da177e4
LT		 889/**
890 * qla2x00_setup_chip() - Load and start RISC firmware.
891 * @ha: HA context
892 *
893 * Returns 0 on success.
894 */
895static int
e315cd28 896qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 897{
0107109e
AV		 898 int rval;
899 uint32_t srisc_address = 0;
e315cd28 900 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 901 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
902 unsigned long flags;
dda772e8 903 uint16_t fw_major_version;
3db0652e
AV		 904
905 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
906 /* Disable SRAM, Instruction RAM and GP RAM parity. */
907 spin_lock_irqsave(&ha->hardware_lock, flags);
908 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
909 RD_REG_WORD(&reg->hccr);
910 spin_unlock_irqrestore(&ha->hardware_lock, flags);
911 }
1da177e4
LT		 912
913 /* Load firmware sequences */
e315cd28 914 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 915 if (rval == QLA_SUCCESS) {
1da177e4 916 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 917 "code.\n", vha->host_no));
1da177e4 918
e315cd28 919 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 920 if (rval == QLA_SUCCESS) {
921 /* Start firmware execution. */
922 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 923 "firmware.\n", vha->host_no));
1da177e4 924
e315cd28 925 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 926 /* Retrieve firmware information. */
dda772e8
AV		 927 if (rval == QLA_SUCCESS) {
928 fw_major_version = ha->fw_major_version;
ca9e9c3e 929 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 930 &ha->fw_major_version,
931 &ha->fw_minor_version,
932 &ha->fw_subminor_version,
3a03eb79 933 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 934 ha->mpi_version, &ha->mpi_capabilities,
935 ha->phy_version);
ca9e9c3e
AV		 936 if (rval != QLA_SUCCESS)
937 goto failed;
938
2c3dfe3f 939 ha->flags.npiv_supported = 0;
e315cd28 940 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 941 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 942 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 943 if ((!ha->max_npiv_vports) ||
944 ((ha->max_npiv_vports + 1) %
eb66dc60 945 MIN_MULTI_ID_FABRIC))
4d0ea247 946 ha->max_npiv_vports =
eb66dc60 947 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 948 }
24a08138
AV		 949 qla2x00_get_resource_cnts(vha, NULL,
950 &ha->fw_xcb_count, NULL, NULL,
951 &ha->max_npiv_vports);
d743de66
AV		 952
953 if (!fw_major_version && ql2xallocfwdump)
954 qla2x00_alloc_fw_dump(vha);
1da177e4
LT		 955 }
956 } else {
957 DEBUG2(printk(KERN_INFO
958 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 959 vha->host_no));
1da177e4
LT		 960 }
961 }
962
3db0652e
AV		 963 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
964 /* Enable proper parity. */
965 spin_lock_irqsave(&ha->hardware_lock, flags);
966 if (IS_QLA2300(ha))
967 /* SRAM parity */
968 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
969 else
970 /* SRAM, Instruction RAM and GP RAM parity */
971 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
972 RD_REG_WORD(&reg->hccr);
973 spin_unlock_irqrestore(&ha->hardware_lock, flags);
974 }
975
1d2874de
JC		 976 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
977 uint32_t size;
978
979 rval = qla81xx_fac_get_sector_size(vha, &size);
980 if (rval == QLA_SUCCESS) {
981 ha->flags.fac_supported = 1;
982 ha->fdt_block_size = size << 2;
983 } else {
984 qla_printk(KERN_ERR, ha,
985 "Unsupported FAC firmware (%d.%02d.%02d).\n",
986 ha->fw_major_version, ha->fw_minor_version,
987 ha->fw_subminor_version);
988 }
989 }
ca9e9c3e 990failed:
1da177e4
LT		 991 if (rval) {
992 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 993 vha->host_no));
1da177e4
LT		 994 }
995
996 return (rval);
997}
998
999/**
1000 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1001 * @ha: HA context
1002 *
1003 * Beginning of request ring has initialization control block already built
1004 * by nvram config routine.
1005 *
1006 * Returns 0 on success.
1007 */
73208dfd
AC		 1008void
1009qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1010{
1011 uint16_t cnt;
1012 response_t *pkt;
1013
2afa19a9
AC		 1014 rsp->ring_ptr = rsp->ring;
1015 rsp->ring_index = 0;
1016 rsp->status_srb = NULL;
e315cd28
AC		 1017 pkt = rsp->ring_ptr;
1018 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1019 pkt->signature = RESPONSE_PROCESSED;
1020 pkt++;
1021 }
1da177e4
LT		 1022}
1023
1024/**
1025 * qla2x00_update_fw_options() - Read and process firmware options.
1026 * @ha: HA context
1027 *
1028 * Returns 0 on success.
1029 */
abbd8870 1030void
e315cd28 1031qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1032{
1033 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1034 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1035
1036 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1037 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1038
1039 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1040 return;
1041
1042 /* Serial Link options. */
1043 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1044 vha->host_no));
1da177e4
LT		 1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1046 sizeof(ha->fw_seriallink_options)));
1047
1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1049 if (ha->fw_seriallink_options[3] & BIT_2) {
1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1051
1052 /* 1G settings */
1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1054 emphasis = (ha->fw_seriallink_options[2] &
1055 (BIT_4 | BIT_3)) >> 3;
1056 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1058 rx_sens = (ha->fw_seriallink_options[0] &
1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1062 if (rx_sens == 0x0)
1063 rx_sens = 0x3;
1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1066 ha->fw_options[10] |= BIT_5 |
1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1068 (tx_sens & (BIT_1 | BIT_0));
1069
1070 /* 2G settings */
1071 swing = (ha->fw_seriallink_options[2] &
1072 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1074 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1076 rx_sens = (ha->fw_seriallink_options[1] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1080 if (rx_sens == 0x0)
1081 rx_sens = 0x3;
1082 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[11] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087 }
1088
1089 /* FCP2 options. */
1090 /* Return command IOCBs without waiting for an ABTS to complete. */
1091 ha->fw_options[3] |= BIT_13;
1092
1093 /* LED scheme. */
1094 if (ha->flags.enable_led_scheme)
1095 ha->fw_options[2] |= BIT_12;
1096
48c02fde 1097 /* Detect ISP6312. */
1098 if (IS_QLA6312(ha))
1099 ha->fw_options[2] |= BIT_13;
1100
1da177e4 1101 /* Update firmware options. */
e315cd28 1102 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1103}
1104
0107109e 1105void
e315cd28 1106qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1107{
1108 int rval;
e315cd28 1109 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1110
1111 /* Update Serial Link options. */
f94097ed 1112 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1113 return;
1114
e315cd28 1115 rval = qla2x00_set_serdes_params(vha,
f94097ed 1116 le16_to_cpu(ha->fw_seriallink_options24[1]),
1117 le16_to_cpu(ha->fw_seriallink_options24[2]),
1118 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1119 if (rval != QLA_SUCCESS) {
1120 qla_printk(KERN_WARNING, ha,
1121 "Unable to update Serial Link options (%x).\n", rval);
1122 }
1123}
1124
abbd8870 1125void
e315cd28 1126qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1127{
e315cd28 1128 struct qla_hw_data *ha = vha->hw;
3d71644c 1129 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1130 struct req_que *req = ha->req_q_map[0];
1131 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1132
1133 /* Setup ring parameters in initialization control block. */
1134 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1135 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1136 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1137 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1138 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1139 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1140 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1141 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1142
1143 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1144 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1145 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1146 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1147 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1148}
1149
0107109e 1150void
e315cd28 1151qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1152{
e315cd28 1153 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1154 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1155 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1156 struct qla_msix_entry *msix;
0107109e 1157 struct init_cb_24xx *icb;
73208dfd
AC		 1158 uint16_t rid = 0;
1159 struct req_que *req = ha->req_q_map[0];
1160 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1161
73208dfd 1162/* Setup ring parameters in initialization control block. */
0107109e
AV		 1163 icb = (struct init_cb_24xx *)ha->init_cb;
1164 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1165 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1166 icb->request_q_length = cpu_to_le16(req->length);
1167 icb->response_q_length = cpu_to_le16(rsp->length);
1168 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1169 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1170 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1171 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1172
73208dfd
AC		 1173 if (ha->mqenable) {
1174 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1175 icb->rid = __constant_cpu_to_le16(rid);
1176 if (ha->flags.msix_enabled) {
1177 msix = &ha->msix_entries[1];
1178 DEBUG2_17(printk(KERN_INFO
2afa19a9 1179 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1180 icb->msix = cpu_to_le16(msix->entry);
1181 }
1182 /* Use alternate PCI bus number */
1183 if (MSB(rid))
1184 icb->firmware_options_2 |=
1185 __constant_cpu_to_le32(BIT_19);
1186 /* Use alternate PCI devfn */
1187 if (LSB(rid))
1188 icb->firmware_options_2 |=
1189 __constant_cpu_to_le32(BIT_18);
1190
618a7523 1191 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1192 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1193
1194 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1195 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1196 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1197 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1198 } else {
1199 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1200 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1201 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1202 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1203 }
1204 /* PCI posting */
1205 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1206}
1207
1da177e4
LT		 1208/**
1209 * qla2x00_init_rings() - Initializes firmware.
1210 * @ha: HA context
1211 *
1212 * Beginning of request ring has initialization control block already built
1213 * by nvram config routine.
1214 *
1215 * Returns 0 on success.
1216 */
1217static int
e315cd28 1218qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1219{
1220 int rval;
1221 unsigned long flags = 0;
29bdccbe 1222 int cnt, que;
e315cd28 1223 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1224 struct req_que *req;
1225 struct rsp_que *rsp;
1226 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1227 struct mid_init_cb_24xx *mid_init_cb =
1228 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1229
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231
1232 /* Clear outstanding commands array. */
2afa19a9 1233 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1234 req = ha->req_q_map[que];
1235 if (!req)
1236 continue;
2afa19a9 1237 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1238 req->outstanding_cmds[cnt] = NULL;
1da177e4 1239
2afa19a9 1240 req->current_outstanding_cmd = 1;
1da177e4 1241
29bdccbe
AC		 1242 /* Initialize firmware. */
1243 req->ring_ptr = req->ring;
1244 req->ring_index = 0;
1245 req->cnt = req->length;
1246 }
1da177e4 1247
2afa19a9 1248 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1249 rsp = ha->rsp_q_map[que];
1250 if (!rsp)
1251 continue;
29bdccbe
AC		 1252 /* Initialize response queue entries */
1253 qla2x00_init_response_q_entries(rsp);
1254 }
1da177e4 1255
29bdccbe
AC		 1256 /* Clear RSCN queue. */
1257 list_for_each_entry(vp, &ha->vp_list, list) {
1258 vp->rscn_in_ptr = 0;
1259 vp->rscn_out_ptr = 0;
1260 }
e315cd28 1261 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1262
1263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1264
1265 /* Update any ISP specific firmware options before initialization. */
e315cd28 1266 ha->isp_ops->update_fw_options(vha);
1da177e4 1267
e315cd28 1268 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1269
605aa2bc
LC		 1270 if (ha->flags.npiv_supported) {
1271 if (ha->operating_mode == LOOP)
1272 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1273 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1274 }
1275
24a08138
AV		 1276 if (IS_FWI2_CAPABLE(ha)) {
1277 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1278 mid_init_cb->init_cb.execution_throttle =
1279 cpu_to_le16(ha->fw_xcb_count);
1280 }
2c3dfe3f 1281
e315cd28 1282 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1283 if (rval) {
1284 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1285 vha->host_no));
1da177e4
LT		 1286 } else {
1287 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1288 vha->host_no));
1da177e4
LT		 1289 }
1290
1291 return (rval);
1292}
1293
1294/**
1295 * qla2x00_fw_ready() - Waits for firmware ready.
1296 * @ha: HA context
1297 *
1298 * Returns 0 on success.
1299 */
1300static int
e315cd28 1301qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1302{
1303 int rval;
4d4df193 1304 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1305 uint16_t min_wait; /* Minimum wait time if loop is down */
1306 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1307 uint16_t state[3];
e315cd28 1308 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1309
1310 rval = QLA_SUCCESS;
1311
1312 /* 20 seconds for loop down. */
fa2a1ce5 1313 min_wait = 20;
1da177e4
LT		 1314
1315 /*
1316 * Firmware should take at most one RATOV to login, plus 5 seconds for
1317 * our own processing.
1318 */
1319 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1320 wait_time = min_wait;
1321 }
1322
1323 /* Min wait time if loop down */
1324 mtime = jiffies + (min_wait * HZ);
1325
1326 /* wait time before firmware ready */
1327 wtime = jiffies + (wait_time * HZ);
1328
1329 /* Wait for ISP to finish LIP */
e315cd28 1330 if (!vha->flags.init_done)
1da177e4
LT		 1331 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1332
1333 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1334 vha->host_no));
1da177e4
LT		 1335
1336 do {
e315cd28 1337 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1338 if (rval == QLA_SUCCESS) {
4d4df193 1339 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1340 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1341 }
4d4df193
HK		 1342 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1343 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1344 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1345 state[2]));
1346 if ((state[2] & FSTATE_LOGGED_IN) &&
1347 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1348 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1349 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1350
1351 cs84xx_time = jiffies;
e315cd28 1352 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1353 if (rval != QLA_SUCCESS)
1354 break;
1355
1356 /* Add time taken to initialize. */
1357 cs84xx_time = jiffies - cs84xx_time;
1358 wtime += cs84xx_time;
1359 mtime += cs84xx_time;
1360 DEBUG16(printk("scsi(%ld): Increasing "
1361 "wait time by %ld. New time %ld\n",
e315cd28 1362 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1363 }
1364 } else if (state[0] == FSTATE_READY) {
1da177e4 1365 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1366 vha->host_no));
1da177e4 1367
e315cd28 1368 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1369 &ha->login_timeout, &ha->r_a_tov);
1370
1371 rval = QLA_SUCCESS;
1372 break;
1373 }
1374
1375 rval = QLA_FUNCTION_FAILED;
1376
e315cd28 1377 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1378 state[0] != FSTATE_READY) {
1da177e4 1379 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1380 * other than Wait for Login.
1381 */
1da177e4
LT		 1382 if (time_after_eq(jiffies, mtime)) {
1383 qla_printk(KERN_INFO, ha,
1384 "Cable is unplugged...\n");
1385
e315cd28 1386 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1387 break;
1388 }
1389 }
1390 } else {
1391 /* Mailbox cmd failed. Timeout on min_wait. */
1392 if (time_after_eq(jiffies, mtime))
1393 break;
1394 }
1395
1396 if (time_after_eq(jiffies, wtime))
1397 break;
1398
1399 /* Delay for a while */
1400 msleep(500);
1401
1402 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1403 vha->host_no, state[0], jiffies));
1da177e4
LT		 1404 } while (1);
1405
1406 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1407 vha->host_no, state[0], jiffies));
1da177e4
LT		 1408
1409 if (rval) {
1410 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1411 vha->host_no));
1da177e4
LT		 1412 }
1413
1414 return (rval);
1415}
1416
1417/*
1418* qla2x00_configure_hba
1419* Setup adapter context.
1420*
1421* Input:
1422* ha = adapter state pointer.
1423*
1424* Returns:
1425* 0 = success
1426*
1427* Context:
1428* Kernel context.
1429*/
1430static int
e315cd28 1431qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1432{
1433 int rval;
1434 uint16_t loop_id;
1435 uint16_t topo;
2c3dfe3f 1436 uint16_t sw_cap;
1da177e4
LT		 1437 uint8_t al_pa;
1438 uint8_t area;
1439 uint8_t domain;
1440 char connect_type[22];
e315cd28 1441 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1442
1443 /* Get host addresses. */
e315cd28 1444 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1445 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1446 if (rval != QLA_SUCCESS) {
e315cd28 1447 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1448 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1449 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1450 __func__, vha->host_no));
33135aa2
RA		 1451 } else {
1452 qla_printk(KERN_WARNING, ha,
1453 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1454 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1455 }
1da177e4
LT		 1456 return (rval);
1457 }
1458
1459 if (topo == 4) {
1460 qla_printk(KERN_INFO, ha,
1461 "Cannot get topology - retrying.\n");
1462 return (QLA_FUNCTION_FAILED);
1463 }
1464
e315cd28 1465 vha->loop_id = loop_id;
1da177e4
LT		 1466
1467 /* initialize */
1468 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1469 ha->operating_mode = LOOP;
2c3dfe3f 1470 ha->switch_cap = 0;
1da177e4
LT		 1471
1472 switch (topo) {
1473 case 0:
1474 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1475 vha->host_no));
1da177e4
LT		 1476 ha->current_topology = ISP_CFG_NL;
1477 strcpy(connect_type, "(Loop)");
1478 break;
1479
1480 case 1:
1481 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1482 vha->host_no));
2c3dfe3f 1483 ha->switch_cap = sw_cap;
1da177e4
LT		 1484 ha->current_topology = ISP_CFG_FL;
1485 strcpy(connect_type, "(FL_Port)");
1486 break;
1487
1488 case 2:
1489 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1490 vha->host_no));
1da177e4
LT		 1491 ha->operating_mode = P2P;
1492 ha->current_topology = ISP_CFG_N;
1493 strcpy(connect_type, "(N_Port-to-N_Port)");
1494 break;
1495
1496 case 3:
1497 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1498 vha->host_no));
2c3dfe3f 1499 ha->switch_cap = sw_cap;
1da177e4
LT		 1500 ha->operating_mode = P2P;
1501 ha->current_topology = ISP_CFG_F;
1502 strcpy(connect_type, "(F_Port)");
1503 break;
1504
1505 default:
1506 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1507 "Using NL.\n",
e315cd28 1508 vha->host_no, topo));
1da177e4
LT		 1509 ha->current_topology = ISP_CFG_NL;
1510 strcpy(connect_type, "(Loop)");
1511 break;
1512 }
1513
1514 /* Save Host port and loop ID. */
1515 /* byte order - Big Endian */
e315cd28
AC		 1516 vha->d_id.b.domain = domain;
1517 vha->d_id.b.area = area;
1518 vha->d_id.b.al_pa = al_pa;
1da177e4 1519
e315cd28 1520 if (!vha->flags.init_done)
1da177e4
LT		 1521 qla_printk(KERN_INFO, ha,
1522 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1523 connect_type, vha->loop_id);
1da177e4
LT		 1524
1525 if (rval) {
e315cd28 1526 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1527 } else {
e315cd28 1528 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1529 }
1530
1531 return(rval);
1532}
1533
9bb9fcf2 1534static inline void
e315cd28
AC		 1535qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1536 char *def)
9bb9fcf2
AV		 1537{
1538 char *st, *en;
1539 uint16_t index;
e315cd28 1540 struct qla_hw_data *ha = vha->hw;
1b91a2e6 1541 int use_tbl = !IS_QLA25XX(ha) && !IS_QLA81XX(ha);
9bb9fcf2
AV		 1542
1543 if (memcmp(model, BINZERO, len) != 0) {
1544 strncpy(ha->model_number, model, len);
1545 st = en = ha->model_number;
1546 en += len - 1;
1547 while (en > st) {
1548 if (*en != 0x20 && *en != 0x00)
1549 break;
1550 *en-- = '\0';
1551 }
1552
1553 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1554 if (use_tbl &&
1555 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 1556 index < QLA_MODEL_NAMES)
1ee27146
JC		 1557 strncpy(ha->model_desc,
1558 qla2x00_model_name[index * 2 + 1],
1559 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1560 } else {
1561 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1562 if (use_tbl &&
1563 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 1564 index < QLA_MODEL_NAMES) {
1565 strcpy(ha->model_number,
1566 qla2x00_model_name[index * 2]);
1ee27146
JC		 1567 strncpy(ha->model_desc,
1568 qla2x00_model_name[index * 2 + 1],
1569 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1570 } else {
1571 strcpy(ha->model_number, def);
1572 }
1573 }
1ee27146 1574 if (IS_FWI2_CAPABLE(ha))
e315cd28 1575 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1576 sizeof(ha->model_desc));
9bb9fcf2
AV		 1577}
1578
4e08df3f
DM		 1579/* On sparc systems, obtain port and node WWN from firmware
1580 * properties.
1581 */
e315cd28 1582static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1583{
1584#ifdef CONFIG_SPARC
e315cd28 1585 struct qla_hw_data *ha = vha->hw;
4e08df3f 1586 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1587 struct device_node *dp = pci_device_to_OF_node(pdev);
1588 const u8 *val;
4e08df3f
DM		 1589 int len;
1590
1591 val = of_get_property(dp, "port-wwn", &len);
1592 if (val && len >= WWN_SIZE)
1593 memcpy(nv->port_name, val, WWN_SIZE);
1594
1595 val = of_get_property(dp, "node-wwn", &len);
1596 if (val && len >= WWN_SIZE)
1597 memcpy(nv->node_name, val, WWN_SIZE);
1598#endif
1599}
1600
1da177e4
LT		 1601/*
1602* NVRAM configuration for ISP 2xxx
1603*
1604* Input:
1605* ha = adapter block pointer.
1606*
1607* Output:
1608* initialization control block in response_ring
1609* host adapters parameters in host adapter block
1610*
1611* Returns:
1612* 0 = success.
1613*/
abbd8870 1614int
e315cd28 1615qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1616{
4e08df3f 1617 int rval;
0107109e
AV		 1618 uint8_t chksum = 0;
1619 uint16_t cnt;
1620 uint8_t *dptr1, *dptr2;
e315cd28 1621 struct qla_hw_data *ha = vha->hw;
0107109e 1622 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1623 nvram_t *nv = ha->nvram;
1624 uint8_t *ptr = ha->nvram;
3d71644c 1625 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1626
4e08df3f
DM		 1627 rval = QLA_SUCCESS;
1628
1da177e4 1629 /* Determine NVRAM starting address. */
0107109e 1630 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1631 ha->nvram_base = 0;
1632 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1633 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1634 ha->nvram_base = 0x80;
1635
1636 /* Get NVRAM data and calculate checksum. */
e315cd28 1637 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1638 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1639 chksum += *ptr++;
1da177e4 1640
e315cd28 1641 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1642 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1643
1644 /* Bad NVRAM data, set defaults parameters. */
1645 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1646 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1647 /* Reset NVRAM data. */
1648 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1649 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1650 nv->nvram_version);
4e08df3f
DM		 1651 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1652 "invalid -- WWPN) defaults.\n");
1653
1654 /*
1655 * Set default initialization control block.
1656 */
1657 memset(nv, 0, ha->nvram_size);
1658 nv->parameter_block_version = ICB_VERSION;
1659
1660 if (IS_QLA23XX(ha)) {
1661 nv->firmware_options[0] = BIT_2 | BIT_1;
1662 nv->firmware_options[1] = BIT_7 | BIT_5;
1663 nv->add_firmware_options[0] = BIT_5;
1664 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1665 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1666 nv->special_options[1] = BIT_7;
1667 } else if (IS_QLA2200(ha)) {
1668 nv->firmware_options[0] = BIT_2 | BIT_1;
1669 nv->firmware_options[1] = BIT_7 | BIT_5;
1670 nv->add_firmware_options[0] = BIT_5;
1671 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1672 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1673 } else if (IS_QLA2100(ha)) {
1674 nv->firmware_options[0] = BIT_3 | BIT_1;
1675 nv->firmware_options[1] = BIT_5;
1676 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1677 }
1678
1679 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1680 nv->execution_throttle = __constant_cpu_to_le16(16);
1681 nv->retry_count = 8;
1682 nv->retry_delay = 1;
1683
1684 nv->port_name[0] = 33;
1685 nv->port_name[3] = 224;
1686 nv->port_name[4] = 139;
1687
e315cd28 1688 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1689
1690 nv->login_timeout = 4;
1691
1692 /*
1693 * Set default host adapter parameters
1694 */
1695 nv->host_p[1] = BIT_2;
1696 nv->reset_delay = 5;
1697 nv->port_down_retry_count = 8;
1698 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1699 nv->link_down_timeout = 60;
1700
1701 rval = 1;
1da177e4
LT		 1702 }
1703
1704#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1705 /*
1706 * The SN2 does not provide BIOS emulation which means you can't change
1707 * potentially bogus BIOS settings. Force the use of default settings
1708 * for link rate and frame size. Hope that the rest of the settings
1709 * are valid.
1710 */
1711 if (ia64_platform_is("sn2")) {
1712 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1713 if (IS_QLA23XX(ha))
1714 nv->special_options[1] = BIT_7;
1715 }
1716#endif
1717
1718 /* Reset Initialization control block */
0107109e 1719 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1720
1721 /*
1722 * Setup driver NVRAM options.
1723 */
1724 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1725 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1726 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1727 nv->firmware_options[1] &= ~BIT_4;
1728
1729 if (IS_QLA23XX(ha)) {
1730 nv->firmware_options[0] |= BIT_2;
1731 nv->firmware_options[0] &= ~BIT_3;
0107109e 1732 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1733
1734 if (IS_QLA2300(ha)) {
1735 if (ha->fb_rev == FPM_2310) {
1736 strcpy(ha->model_number, "QLA2310");
1737 } else {
1738 strcpy(ha->model_number, "QLA2300");
1739 }
1740 } else {
e315cd28 1741 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1742 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1743 }
1744 } else if (IS_QLA2200(ha)) {
1745 nv->firmware_options[0] |= BIT_2;
1746 /*
1747 * 'Point-to-point preferred, else loop' is not a safe
1748 * connection mode setting.
1749 */
1750 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1751 (BIT_5 | BIT_4)) {
1752 /* Force 'loop preferred, else point-to-point'. */
1753 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1754 nv->add_firmware_options[0] |= BIT_5;
1755 }
1756 strcpy(ha->model_number, "QLA22xx");
1757 } else /*if (IS_QLA2100(ha))*/ {
1758 strcpy(ha->model_number, "QLA2100");
1759 }
1760
1761 /*
1762 * Copy over NVRAM RISC parameter block to initialization control block.
1763 */
1764 dptr1 = (uint8_t *)icb;
1765 dptr2 = (uint8_t *)&nv->parameter_block_version;
1766 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1767 while (cnt--)
1768 *dptr1++ = *dptr2++;
1769
1770 /* Copy 2nd half. */
1771 dptr1 = (uint8_t *)icb->add_firmware_options;
1772 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1773 while (cnt--)
1774 *dptr1++ = *dptr2++;
1775
5341e868
AV		 1776 /* Use alternate WWN? */
1777 if (nv->host_p[1] & BIT_7) {
1778 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1779 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1780 }
1781
1da177e4
LT		 1782 /* Prepare nodename */
1783 if ((icb->firmware_options[1] & BIT_6) == 0) {
1784 /*
1785 * Firmware will apply the following mask if the nodename was
1786 * not provided.
1787 */
1788 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1789 icb->node_name[0] &= 0xF0;
1790 }
1791
1792 /*
1793 * Set host adapter parameters.
1794 */
0181944f 1795 if (nv->host_p[0] & BIT_7)
11010fec 1796 ql2xextended_error_logging = 1;
1da177e4
LT		 1797 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1798 /* Always load RISC code on non ISP2[12]00 chips. */
1799 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1800 ha->flags.disable_risc_code_load = 0;
1801 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1802 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1803 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1804 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1805 ha->flags.disable_serdes = 0;
1da177e4
LT		 1806
1807 ha->operating_mode =
1808 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1809
1810 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1811 sizeof(ha->fw_seriallink_options));
1812
1813 /* save HBA serial number */
1814 ha->serial0 = icb->port_name[5];
1815 ha->serial1 = icb->port_name[6];
1816 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1817 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1818 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1819
1820 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1821
1822 ha->retry_count = nv->retry_count;
1823
1824 /* Set minimum login_timeout to 4 seconds. */
1825 if (nv->login_timeout < ql2xlogintimeout)
1826 nv->login_timeout = ql2xlogintimeout;
1827 if (nv->login_timeout < 4)
1828 nv->login_timeout = 4;
1829 ha->login_timeout = nv->login_timeout;
1830 icb->login_timeout = nv->login_timeout;
1831
00a537b8
AV		 1832 /* Set minimum RATOV to 100 tenths of a second. */
1833 ha->r_a_tov = 100;
1da177e4 1834
1da177e4
LT		 1835 ha->loop_reset_delay = nv->reset_delay;
1836
1da177e4
LT		 1837 /* Link Down Timeout = 0:
1838 *
1839 * When Port Down timer expires we will start returning
1840 * I/O's to OS with "DID_NO_CONNECT".
1841 *
1842 * Link Down Timeout != 0:
1843 *
1844 * The driver waits for the link to come up after link down
1845 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1846 */
1da177e4
LT		 1847 if (nv->link_down_timeout == 0) {
1848 ha->loop_down_abort_time =
354d6b21 1849 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1850 } else {
1851 ha->link_down_timeout = nv->link_down_timeout;
1852 ha->loop_down_abort_time =
1853 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1854 }
1da177e4 1855
1da177e4
LT		 1856 /*
1857 * Need enough time to try and get the port back.
1858 */
1859 ha->port_down_retry_count = nv->port_down_retry_count;
1860 if (qlport_down_retry)
1861 ha->port_down_retry_count = qlport_down_retry;
1862 /* Set login_retry_count */
1863 ha->login_retry_count = nv->retry_count;
1864 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1865 ha->port_down_retry_count > 3)
1866 ha->login_retry_count = ha->port_down_retry_count;
1867 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1868 ha->login_retry_count = ha->port_down_retry_count;
1869 if (ql2xloginretrycount)
1870 ha->login_retry_count = ql2xloginretrycount;
1871
1da177e4
LT		 1872 icb->lun_enables = __constant_cpu_to_le16(0);
1873 icb->command_resource_count = 0;
1874 icb->immediate_notify_resource_count = 0;
1875 icb->timeout = __constant_cpu_to_le16(0);
1876
1877 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1878 /* Enable RIO */
1879 icb->firmware_options[0] &= ~BIT_3;
1880 icb->add_firmware_options[0] &=
1881 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1882 icb->add_firmware_options[0] |= BIT_2;
1883 icb->response_accumulation_timer = 3;
1884 icb->interrupt_delay_timer = 5;
1885
e315cd28 1886 vha->flags.process_response_queue = 1;
1da177e4 1887 } else {
4fdfefe5 1888 /* Enable ZIO. */
e315cd28 1889 if (!vha->flags.init_done) {
4fdfefe5
AV		 1890 ha->zio_mode = icb->add_firmware_options[0] &
1891 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1892 ha->zio_timer = icb->interrupt_delay_timer ?
1893 icb->interrupt_delay_timer: 2;
1894 }
1da177e4
LT		 1895 icb->add_firmware_options[0] &=
1896 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1897 vha->flags.process_response_queue = 0;
4fdfefe5 1898 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 1899 ha->zio_mode = QLA_ZIO_MODE_6;
1900
4fdfefe5 1901 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1902 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1903 ha->zio_timer * 100));
1da177e4 1904 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1905 "ZIO mode %d enabled; timer delay (%d us).\n",
1906 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1907
4fdfefe5
AV		 1908 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1909 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1910 vha->flags.process_response_queue = 1;
1da177e4
LT		 1911 }
1912 }
1913
4e08df3f
DM		 1914 if (rval) {
1915 DEBUG2_3(printk(KERN_WARNING
e315cd28 1916 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1917 }
1918 return (rval);
1da177e4
LT		 1919}
1920
19a7b4ae
JSEC		 1921static void
1922qla2x00_rport_del(void *data)
1923{
1924 fc_port_t *fcport = data;
d97994dc 1925 struct fc_rport *rport;
d97994dc 1926
e315cd28 1927 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc 1928 rport = fcport->drport;
1929 fcport->drport = NULL;
e315cd28 1930 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 1931 if (rport)
1932 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1933}
1934
1da177e4
LT		 1935/**
1936 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1937 * @ha: HA context
1938 * @flags: allocation flags
1939 *
1940 * Returns a pointer to the allocated fcport, or NULL, if none available.
1941 */
413975a0 1942static fc_port_t *
e315cd28 1943qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1944{
1945 fc_port_t *fcport;
1946
bbfbbbc1
MK		 1947 fcport = kzalloc(sizeof(fc_port_t), flags);
1948 if (!fcport)
1949 return NULL;
1da177e4
LT		 1950
1951 /* Setup fcport template structure. */
e315cd28
AC		 1952 fcport->vha = vha;
1953 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 1954 fcport->port_type = FCT_UNKNOWN;
1955 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 1956 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 1957 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1958
bbfbbbc1 1959 return fcport;
1da177e4
LT		 1960}
1961
1962/*
1963 * qla2x00_configure_loop
1964 * Updates Fibre Channel Device Database with what is actually on loop.
1965 *
1966 * Input:
1967 * ha = adapter block pointer.
1968 *
1969 * Returns:
1970 * 0 = success.
1971 * 1 = error.
1972 * 2 = database was full and device was not configured.
1973 */
1974static int
e315cd28 1975qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 1976{
1977 int rval;
1978 unsigned long flags, save_flags;
e315cd28 1979 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1980 rval = QLA_SUCCESS;
1981
1982 /* Get Initiator ID */
e315cd28
AC		 1983 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
1984 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 1985 if (rval != QLA_SUCCESS) {
1986 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 1987 vha->host_no));
1da177e4
LT		 1988 return (rval);
1989 }
1990 }
1991
e315cd28 1992 save_flags = flags = vha->dpc_flags;
1da177e4 1993 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 1994 vha->host_no, flags));
1da177e4
LT		 1995
1996 /*
1997 * If we have both an RSCN and PORT UPDATE pending then handle them
1998 * both at the same time.
1999 */
e315cd28
AC		 2000 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2001 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2002
2003 /* Determine what we need to do */
2004 if (ha->current_topology == ISP_CFG_FL &&
2005 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2006
e315cd28 2007 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2008 set_bit(RSCN_UPDATE, &flags);
2009
2010 } else if (ha->current_topology == ISP_CFG_F &&
2011 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2012
e315cd28 2013 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2014 set_bit(RSCN_UPDATE, &flags);
2015 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2016
2017 } else if (ha->current_topology == ISP_CFG_N) {
2018 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2019
e315cd28 2020 } else if (!vha->flags.online ||
1da177e4
LT		 2021 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2022
e315cd28 2023 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2024 set_bit(RSCN_UPDATE, &flags);
2025 set_bit(LOCAL_LOOP_UPDATE, &flags);
2026 }
2027
2028 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2029 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2030 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2031 else
2032 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2033 }
2034
2035 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2036 if (LOOP_TRANSITION(vha))
1da177e4 2037 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2038 else
2039 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2040 }
2041
2042 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2043 if (atomic_read(&vha->loop_down_timer) ||
2044 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2045 rval = QLA_FUNCTION_FAILED;
2046 } else {
e315cd28 2047 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2048
e315cd28 2049 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2050 }
2051 }
2052
2053 if (rval) {
2054 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2055 __func__, vha->host_no));
1da177e4
LT		 2056 } else {
2057 DEBUG3(printk("%s: exiting normally\n", __func__));
2058 }
2059
cc3ef7bc 2060 /* Restore state if a resync event occurred during processing */
e315cd28 2061 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2062 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2063 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2064 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2065 set_bit(RSCN_UPDATE, &vha->dpc_flags);
f4658b6c
AV		 2066 vha->flags.rscn_queue_overflow = 1;
2067 }
1da177e4
LT		 2068 }
2069
2070 return (rval);
2071}
2072
2073
2074
2075/*
2076 * qla2x00_configure_local_loop
2077 * Updates Fibre Channel Device Database with local loop devices.
2078 *
2079 * Input:
2080 * ha = adapter block pointer.
2081 *
2082 * Returns:
2083 * 0 = success.
2084 */
2085static int
e315cd28 2086qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2087{
2088 int rval, rval2;
2089 int found_devs;
2090 int found;
2091 fc_port_t *fcport, *new_fcport;
2092
2093 uint16_t index;
2094 uint16_t entries;
2095 char *id_iter;
2096 uint16_t loop_id;
2097 uint8_t domain, area, al_pa;
e315cd28 2098 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2099
2100 found_devs = 0;
2101 new_fcport = NULL;
2102 entries = MAX_FIBRE_DEVICES;
2103
e315cd28
AC		 2104 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2105 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2106
2107 /* Get list of logged in devices. */
2108 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2109 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2110 &entries);
2111 if (rval != QLA_SUCCESS)
2112 goto cleanup_allocation;
2113
2114 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2115 vha->host_no, entries));
1da177e4
LT		 2116 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2117 entries * sizeof(struct gid_list_info)));
2118
2119 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2120 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2121 if (new_fcport == NULL) {
2122 rval = QLA_MEMORY_ALLOC_FAILED;
2123 goto cleanup_allocation;
2124 }
2125 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2126
2127 /*
2128 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2129 */
e315cd28 2130 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2131 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2132 fcport->port_type != FCT_BROADCAST &&
2133 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2134
2135 DEBUG(printk("scsi(%ld): Marking port lost, "
2136 "loop_id=0x%04x\n",
e315cd28 2137 vha->host_no, fcport->loop_id));
1da177e4
LT		 2138
2139 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2140 }
2141 }
2142
2143 /* Add devices to port list. */
2144 id_iter = (char *)ha->gid_list;
2145 for (index = 0; index < entries; index++) {
2146 domain = ((struct gid_list_info *)id_iter)->domain;
2147 area = ((struct gid_list_info *)id_iter)->area;
2148 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2149 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2150 loop_id = (uint16_t)
2151 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2152 else
1da177e4
LT		 2153 loop_id = le16_to_cpu(
2154 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2155 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2156
2157 /* Bypass reserved domain fields. */
2158 if ((domain & 0xf0) == 0xf0)
2159 continue;
2160
2161 /* Bypass if not same domain and area of adapter. */
f7d289f6 2162 if (area && domain &&
e315cd28 2163 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2164 continue;
2165
2166 /* Bypass invalid local loop ID. */
2167 if (loop_id > LAST_LOCAL_LOOP_ID)
2168 continue;
2169
2170 /* Fill in member data. */
2171 new_fcport->d_id.b.domain = domain;
2172 new_fcport->d_id.b.area = area;
2173 new_fcport->d_id.b.al_pa = al_pa;
2174 new_fcport->loop_id = loop_id;
e315cd28
AC		 2175 new_fcport->vp_idx = vha->vp_idx;
2176 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2177 if (rval2 != QLA_SUCCESS) {
2178 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2179 "information -- get_port_database=%x, "
2180 "loop_id=0x%04x\n",
e315cd28 2181 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2182 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2183 vha->host_no));
2184 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2185 continue;
2186 }
2187
2188 /* Check for matching device in port list. */
2189 found = 0;
2190 fcport = NULL;
e315cd28 2191 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2192 if (memcmp(new_fcport->port_name, fcport->port_name,
2193 WWN_SIZE))
2194 continue;
2195
ddb9b126 2196 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2197 fcport->loop_id = new_fcport->loop_id;
2198 fcport->port_type = new_fcport->port_type;
2199 fcport->d_id.b24 = new_fcport->d_id.b24;
2200 memcpy(fcport->node_name, new_fcport->node_name,
2201 WWN_SIZE);
2202
2203 found++;
2204 break;
2205 }
2206
2207 if (!found) {
2208 /* New device, add to fcports list. */
e315cd28
AC		 2209 if (vha->vp_idx) {
2210 new_fcport->vha = vha;
2211 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2212 }
e315cd28 2213 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2214
2215 /* Allocate a new replacement fcport. */
2216 fcport = new_fcport;
e315cd28 2217 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2218 if (new_fcport == NULL) {
2219 rval = QLA_MEMORY_ALLOC_FAILED;
2220 goto cleanup_allocation;
2221 }
2222 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2223 }
2224
d8b45213 2225 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2226 fcport->fp_speed = ha->link_data_rate;
d8b45213 2227
e315cd28 2228 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2229
2230 found_devs++;
2231 }
2232
2233cleanup_allocation:
c9475cb0 2234 kfree(new_fcport);
1da177e4
LT		 2235
2236 if (rval != QLA_SUCCESS) {
2237 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2238 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2239 }
2240
1da177e4
LT		 2241 return (rval);
2242}
2243
d8b45213 2244static void
e315cd28 2245qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2246{
2247#define LS_UNKNOWN 2
9f8fddee
AV		 2248 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2249 char *link_speed;
d8b45213 2250 int rval;
a3cbdfad 2251 uint16_t mb[6];
e315cd28 2252 struct qla_hw_data *ha = vha->hw;
d8b45213 2253
c76f2c01 2254 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2255 return;
2256
39bd9622
AV		 2257 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2258 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2259 return;
2260
e315cd28 2261 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2262 mb);
d8b45213
AV		 2263 if (rval != QLA_SUCCESS) {
2264 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2265 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2266 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2267 fcport->port_name[2], fcport->port_name[3],
2268 fcport->port_name[4], fcport->port_name[5],
2269 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2270 fcport->fp_speed, mb[0], mb[1]));
d8b45213 2271 } else {
9f8fddee
AV		 2272 link_speed = link_speeds[LS_UNKNOWN];
2273 if (fcport->fp_speed < 5)
2274 link_speed = link_speeds[fcport->fp_speed];
2275 else if (fcport->fp_speed == 0x13)
2276 link_speed = link_speeds[5];
d8b45213
AV		 2277 DEBUG2(qla_printk(KERN_INFO, ha,
2278 "iIDMA adjusted to %s GB/s on "
2279 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
9f8fddee 2280 link_speed, fcport->port_name[0],
d8b45213
AV		 2281 fcport->port_name[1], fcport->port_name[2],
2282 fcport->port_name[3], fcport->port_name[4],
2283 fcport->port_name[5], fcport->port_name[6],
2284 fcport->port_name[7]));
2285 }
2286}
2287
23be331d 2288static void
e315cd28 2289qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118 2290{
2291 struct fc_rport_identifiers rport_ids;
bdf79621 2292 struct fc_rport *rport;
e315cd28 2293 struct qla_hw_data *ha = vha->hw;
8482e118 2294
d97994dc 2295 if (fcport->drport)
2296 qla2x00_rport_del(fcport);
8482e118 2297
f8b02a85
AV		 2298 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2299 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2300 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2301 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2302 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2303 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2304 if (!rport) {
2305 qla_printk(KERN_WARNING, ha,
2306 "Unable to allocate fc remote port!\n");
2307 return;
2308 }
e315cd28 2309 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2310 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2311 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2312
ad3e0eda 2313 rport->supported_classes = fcport->supported_classes;
77d74143 2314
8482e118 2315 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2316 if (fcport->port_type == FCT_INITIATOR)
2317 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2318 if (fcport->port_type == FCT_TARGET)
2319 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2320 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2321}
2322
23be331d
AB		 2323/*
2324 * qla2x00_update_fcport
2325 * Updates device on list.
2326 *
2327 * Input:
2328 * ha = adapter block pointer.
2329 * fcport = port structure pointer.
2330 *
2331 * Return:
2332 * 0 - Success
2333 * BIT_0 - error
2334 *
2335 * Context:
2336 * Kernel context.
2337 */
2338void
e315cd28 2339qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2340{
e315cd28 2341 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2342
e315cd28 2343 fcport->vha = vha;
23be331d 2344 fcport->login_retry = 0;
e315cd28 2345 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2346 PORT_RETRY_TIME;
e315cd28 2347 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2348 PORT_RETRY_TIME);
2349 fcport->flags &= ~FCF_LOGIN_NEEDED;
2350
e315cd28 2351 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2352
2353 atomic_set(&fcport->state, FCS_ONLINE);
2354
e315cd28 2355 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2356}
2357
1da177e4
LT		 2358/*
2359 * qla2x00_configure_fabric
2360 * Setup SNS devices with loop ID's.
2361 *
2362 * Input:
2363 * ha = adapter block pointer.
2364 *
2365 * Returns:
2366 * 0 = success.
2367 * BIT_0 = error
2368 */
2369static int
e315cd28 2370qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2371{
2372 int rval, rval2;
2373 fc_port_t *fcport, *fcptemp;
2374 uint16_t next_loopid;
2375 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2376 uint16_t loop_id;
1da177e4 2377 LIST_HEAD(new_fcports);
e315cd28
AC		 2378 struct qla_hw_data *ha = vha->hw;
2379 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2380
2381 /* If FL port exists, then SNS is present */
e428924c 2382 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2383 loop_id = NPH_F_PORT;
2384 else
2385 loop_id = SNS_FL_PORT;
e315cd28 2386 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2387 if (rval != QLA_SUCCESS) {
2388 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2389 "Port\n", vha->host_no));
1da177e4 2390
e315cd28 2391 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2392 return (QLA_SUCCESS);
2393 }
e315cd28 2394 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2395
2396 /* Mark devices that need re-synchronization. */
e315cd28 2397 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2398 if (rval2 == QLA_RSCNS_HANDLED) {
2399 /* No point doing the scan, just continue. */
2400 return (QLA_SUCCESS);
2401 }
2402 do {
cca5335c
AV		 2403 /* FDMI support. */
2404 if (ql2xfdmienable &&
e315cd28
AC		 2405 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2406 qla2x00_fdmi_register(vha);
cca5335c 2407
1da177e4 2408 /* Ensure we are logged into the SNS. */
e428924c 2409 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2410 loop_id = NPH_SNS;
2411 else
2412 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2413 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2414 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2415 if (mb[0] != MBS_COMMAND_COMPLETE) {
2416 DEBUG2(qla_printk(KERN_INFO, ha,
2417 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2418 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2419 mb[0], mb[1], mb[2], mb[6], mb[7]));
2420 return (QLA_SUCCESS);
2421 }
2422
e315cd28
AC		 2423 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2424 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2425 /* EMPTY */
2426 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2427 "TYPE failed.\n", vha->host_no));
1da177e4 2428 }
e315cd28 2429 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2430 /* EMPTY */
2431 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2432 "Features failed.\n", vha->host_no));
1da177e4 2433 }
e315cd28 2434 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2435 /* EMPTY */
2436 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2437 "failed.\n", vha->host_no));
2438 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2439 /* EMPTY */
2440 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2441 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2442 }
2443 }
2444
e315cd28 2445 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2446 if (rval != QLA_SUCCESS)
2447 break;
2448
2449 /*
2450 * Logout all previous fabric devices marked lost, except
2451 * tape devices.
2452 */
e315cd28
AC		 2453 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2454 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2455 break;
2456
2457 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2458 continue;
2459
2460 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2461 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2462 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2463 if (fcport->loop_id != FC_NO_LOOP_ID &&
2464 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2465 fcport->port_type != FCT_INITIATOR &&
2466 fcport->port_type != FCT_BROADCAST) {
e315cd28 2467 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2468 fcport->loop_id,
2469 fcport->d_id.b.domain,
2470 fcport->d_id.b.area,
2471 fcport->d_id.b.al_pa);
1da177e4
LT		 2472 fcport->loop_id = FC_NO_LOOP_ID;
2473 }
2474 }
2475 }
2476
2477 /* Starting free loop ID. */
e315cd28 2478 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2479
2480 /*
2481 * Scan through our port list and login entries that need to be
2482 * logged in.
2483 */
e315cd28
AC		 2484 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2485 if (atomic_read(&vha->loop_down_timer) ||
2486 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2487 break;
2488
2489 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2490 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2491 continue;
2492
2493 if (fcport->loop_id == FC_NO_LOOP_ID) {
2494 fcport->loop_id = next_loopid;
d4486fd6 2495 rval = qla2x00_find_new_loop_id(
e315cd28 2496 base_vha, fcport);
1da177e4
LT		 2497 if (rval != QLA_SUCCESS) {
2498 /* Ran out of IDs to use */
2499 break;
2500 }
2501 }
1da177e4 2502 /* Login and update database */
e315cd28 2503 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2504 }
2505
2506 /* Exit if out of loop IDs. */
2507 if (rval != QLA_SUCCESS) {
2508 break;
2509 }
2510
2511 /*
2512 * Login and add the new devices to our port list.
2513 */
2514 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2515 if (atomic_read(&vha->loop_down_timer) ||
2516 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2517 break;
2518
2519 /* Find a new loop ID to use. */
2520 fcport->loop_id = next_loopid;
e315cd28 2521 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2522 if (rval != QLA_SUCCESS) {
2523 /* Ran out of IDs to use */
2524 break;
2525 }
2526
bdf79621 2527 /* Login and update database */
e315cd28
AC		 2528 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2529
2530 if (vha->vp_idx) {
2531 fcport->vha = vha;
2532 fcport->vp_idx = vha->vp_idx;
2533 }
2534 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2535 }
2536 } while (0);
2537
2538 /* Free all new device structures not processed. */
2539 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2540 list_del(&fcport->list);
2541 kfree(fcport);
2542 }
2543
2544 if (rval) {
2545 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2546 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2547 }
2548
2549 return (rval);
2550}
2551
2552
2553/*
2554 * qla2x00_find_all_fabric_devs
2555 *
2556 * Input:
2557 * ha = adapter block pointer.
2558 * dev = database device entry pointer.
2559 *
2560 * Returns:
2561 * 0 = success.
2562 *
2563 * Context:
2564 * Kernel context.
2565 */
2566static int
e315cd28
AC		 2567qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2568 struct list_head *new_fcports)
1da177e4
LT		 2569{
2570 int rval;
2571 uint16_t loop_id;
2572 fc_port_t *fcport, *new_fcport, *fcptemp;
2573 int found;
2574
2575 sw_info_t *swl;
2576 int swl_idx;
2577 int first_dev, last_dev;
2578 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2579 struct qla_hw_data *ha = vha->hw;
2580 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2581 struct scsi_qla_host *tvp;
1da177e4
LT		 2582
2583 rval = QLA_SUCCESS;
2584
2585 /* Try GID_PT to get device list, else GAN. */
4b89258c 2586 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2587 if (!swl) {
1da177e4
LT		 2588 /*EMPTY*/
2589 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2590 "on GA_NXT\n", vha->host_no));
1da177e4 2591 } else {
e315cd28 2592 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2593 kfree(swl);
2594 swl = NULL;
e315cd28 2595 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2596 kfree(swl);
2597 swl = NULL;
e315cd28 2598 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2599 kfree(swl);
2600 swl = NULL;
e5896bd5 2601 } else if (ql2xiidmaenable &&
e315cd28
AC		 2602 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2603 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2604 }
2605 }
2606 swl_idx = 0;
2607
2608 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2609 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2610 if (new_fcport == NULL) {
c9475cb0 2611 kfree(swl);
1da177e4
LT		 2612 return (QLA_MEMORY_ALLOC_FAILED);
2613 }
2614 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2615 /* Set start port ID scan at adapter ID. */
2616 first_dev = 1;
2617 last_dev = 0;
2618
2619 /* Starting free loop ID. */
e315cd28
AC		 2620 loop_id = ha->min_external_loopid;
2621 for (; loop_id <= ha->max_loop_id; loop_id++) {
2622 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2623 continue;
2624
e315cd28 2625 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2626 break;
2627
2628 if (swl != NULL) {
2629 if (last_dev) {
2630 wrap.b24 = new_fcport->d_id.b24;
2631 } else {
2632 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2633 memcpy(new_fcport->node_name,
2634 swl[swl_idx].node_name, WWN_SIZE);
2635 memcpy(new_fcport->port_name,
2636 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2637 memcpy(new_fcport->fabric_port_name,
2638 swl[swl_idx].fabric_port_name, WWN_SIZE);
2639 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2640
2641 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2642 last_dev = 1;
2643 }
2644 swl_idx++;
2645 }
2646 } else {
2647 /* Send GA_NXT to the switch */
e315cd28 2648 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2649 if (rval != QLA_SUCCESS) {
2650 qla_printk(KERN_WARNING, ha,
2651 "SNS scan failed -- assuming zero-entry "
2652 "result...\n");
2653 list_for_each_entry_safe(fcport, fcptemp,
2654 new_fcports, list) {
2655 list_del(&fcport->list);
2656 kfree(fcport);
2657 }
2658 rval = QLA_SUCCESS;
2659 break;
2660 }
2661 }
2662
2663 /* If wrap on switch device list, exit. */
2664 if (first_dev) {
2665 wrap.b24 = new_fcport->d_id.b24;
2666 first_dev = 0;
2667 } else if (new_fcport->d_id.b24 == wrap.b24) {
2668 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2669 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2670 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2671 break;
2672 }
2673
2c3dfe3f 2674 /* Bypass if same physical adapter. */
e315cd28 2675 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2676 continue;
2677
2c3dfe3f 2678 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2679 found = 0;
2680 if (ha->num_vhosts) {
ee546b6e 2681 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2682 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2683 found = 1;
2c3dfe3f 2684 break;
e315cd28 2685 }
2c3dfe3f 2686 }
e315cd28 2687 if (found)
2c3dfe3f
SJ		 2688 continue;
2689 }
2690
f7d289f6
AV		 2691 /* Bypass if same domain and area of adapter. */
2692 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 2693 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 2694 ISP_CFG_FL)
2695 continue;
2696
1da177e4
LT		 2697 /* Bypass reserved domain fields. */
2698 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2699 continue;
2700
2701 /* Locate matching device in database. */
2702 found = 0;
e315cd28 2703 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2704 if (memcmp(new_fcport->port_name, fcport->port_name,
2705 WWN_SIZE))
2706 continue;
2707
2708 found++;
2709
d8b45213
AV		 2710 /* Update port state. */
2711 memcpy(fcport->fabric_port_name,
2712 new_fcport->fabric_port_name, WWN_SIZE);
2713 fcport->fp_speed = new_fcport->fp_speed;
2714
1da177e4
LT		 2715 /*
2716 * If address the same and state FCS_ONLINE, nothing
2717 * changed.
2718 */
2719 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2720 atomic_read(&fcport->state) == FCS_ONLINE) {
2721 break;
2722 }
2723
2724 /*
2725 * If device was not a fabric device before.
2726 */
2727 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2728 fcport->d_id.b24 = new_fcport->d_id.b24;
2729 fcport->loop_id = FC_NO_LOOP_ID;
2730 fcport->flags |= (FCF_FABRIC_DEVICE |
2731 FCF_LOGIN_NEEDED);
1da177e4
LT		 2732 break;
2733 }
2734
2735 /*
2736 * Port ID changed or device was marked to be updated;
2737 * Log it out if still logged in and mark it for
2738 * relogin later.
2739 */
2740 fcport->d_id.b24 = new_fcport->d_id.b24;
2741 fcport->flags |= FCF_LOGIN_NEEDED;
2742 if (fcport->loop_id != FC_NO_LOOP_ID &&
2743 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2744 fcport->port_type != FCT_INITIATOR &&
2745 fcport->port_type != FCT_BROADCAST) {
e315cd28 2746 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2747 fcport->d_id.b.domain, fcport->d_id.b.area,
2748 fcport->d_id.b.al_pa);
1da177e4
LT		 2749 fcport->loop_id = FC_NO_LOOP_ID;
2750 }
2751
2752 break;
2753 }
2754
2755 if (found)
2756 continue;
1da177e4
LT		 2757 /* If device was not in our fcports list, then add it. */
2758 list_add_tail(&new_fcport->list, new_fcports);
2759
2760 /* Allocate a new replacement fcport. */
2761 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2762 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2763 if (new_fcport == NULL) {
c9475cb0 2764 kfree(swl);
1da177e4
LT		 2765 return (QLA_MEMORY_ALLOC_FAILED);
2766 }
2767 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2768 new_fcport->d_id.b24 = nxt_d_id.b24;
2769 }
2770
c9475cb0
JJ		 2771 kfree(swl);
2772 kfree(new_fcport);
1da177e4 2773
1da177e4
LT		 2774 return (rval);
2775}
2776
2777/*
2778 * qla2x00_find_new_loop_id
2779 * Scan through our port list and find a new usable loop ID.
2780 *
2781 * Input:
2782 * ha: adapter state pointer.
2783 * dev: port structure pointer.
2784 *
2785 * Returns:
2786 * qla2x00 local function return status code.
2787 *
2788 * Context:
2789 * Kernel context.
2790 */
413975a0 2791static int
e315cd28 2792qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2793{
2794 int rval;
2795 int found;
2796 fc_port_t *fcport;
2797 uint16_t first_loop_id;
e315cd28
AC		 2798 struct qla_hw_data *ha = vha->hw;
2799 struct scsi_qla_host *vp;
ee546b6e 2800 struct scsi_qla_host *tvp;
1da177e4
LT		 2801
2802 rval = QLA_SUCCESS;
2803
2804 /* Save starting loop ID. */
2805 first_loop_id = dev->loop_id;
2806
2807 for (;;) {
2808 /* Skip loop ID if already used by adapter. */
e315cd28 2809 if (dev->loop_id == vha->loop_id)
1da177e4 2810 dev->loop_id++;
1da177e4
LT		 2811
2812 /* Skip reserved loop IDs. */
e315cd28 2813 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2814 dev->loop_id++;
1da177e4
LT		 2815
2816 /* Reset loop ID if passed the end. */
e315cd28 2817 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2818 /* first loop ID. */
2819 dev->loop_id = ha->min_external_loopid;
2820 }
2821
2822 /* Check for loop ID being already in use. */
2823 found = 0;
2824 fcport = NULL;
ee546b6e 2825 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2826 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2827 if (fcport->loop_id == dev->loop_id &&
2828 fcport != dev) {
2829 /* ID possibly in use */
2830 found++;
2831 break;
2832 }
1da177e4 2833 }
e315cd28
AC		 2834 if (found)
2835 break;
1da177e4
LT		 2836 }
2837
2838 /* If not in use then it is free to use. */
2839 if (!found) {
2840 break;
2841 }
2842
2843 /* ID in use. Try next value. */
2844 dev->loop_id++;
2845
2846 /* If wrap around. No free ID to use. */
2847 if (dev->loop_id == first_loop_id) {
2848 dev->loop_id = FC_NO_LOOP_ID;
2849 rval = QLA_FUNCTION_FAILED;
2850 break;
2851 }
2852 }
2853
2854 return (rval);
2855}
2856
2857/*
2858 * qla2x00_device_resync
2859 * Marks devices in the database that needs resynchronization.
2860 *
2861 * Input:
2862 * ha = adapter block pointer.
2863 *
2864 * Context:
2865 * Kernel context.
2866 */
2867static int
e315cd28 2868qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2869{
2870 int rval;
1da177e4
LT		 2871 uint32_t mask;
2872 fc_port_t *fcport;
2873 uint32_t rscn_entry;
2874 uint8_t rscn_out_iter;
2875 uint8_t format;
2876 port_id_t d_id;
2877
2878 rval = QLA_RSCNS_HANDLED;
2879
e315cd28
AC		 2880 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2881 vha->flags.rscn_queue_overflow) {
1da177e4 2882
e315cd28 2883 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2884 format = MSB(MSW(rscn_entry));
2885 d_id.b.domain = LSB(MSW(rscn_entry));
2886 d_id.b.area = MSB(LSW(rscn_entry));
2887 d_id.b.al_pa = LSB(LSW(rscn_entry));
2888
2889 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2890 "[%02x/%02x%02x%02x].\n",
e315cd28 2891 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2892 d_id.b.area, d_id.b.al_pa));
2893
e315cd28
AC		 2894 vha->rscn_out_ptr++;
2895 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2896 vha->rscn_out_ptr = 0;
1da177e4
LT		 2897
2898 /* Skip duplicate entries. */
e315cd28
AC		 2899 for (rscn_out_iter = vha->rscn_out_ptr;
2900 !vha->flags.rscn_queue_overflow &&
2901 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2902 rscn_out_iter = (rscn_out_iter ==
2903 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2904
e315cd28 2905 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2906 break;
2907
2908 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2909 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2910 rscn_out_iter));
2911
e315cd28 2912 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2913 }
2914
2915 /* Queue overflow, set switch default case. */
e315cd28 2916 if (vha->flags.rscn_queue_overflow) {
1da177e4 2917 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2918 "overflow.\n", vha->host_no));
1da177e4
LT		 2919
2920 format = 3;
e315cd28 2921 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2922 }
2923
2924 switch (format) {
2925 case 0:
1da177e4
LT		 2926 mask = 0xffffff;
2927 break;
2928 case 1:
2929 mask = 0xffff00;
2930 break;
2931 case 2:
2932 mask = 0xff0000;
2933 break;
2934 default:
2935 mask = 0x0;
2936 d_id.b24 = 0;
e315cd28 2937 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2938 break;
2939 }
2940
2941 rval = QLA_SUCCESS;
2942
e315cd28 2943 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2944 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2945 (fcport->d_id.b24 & mask) != d_id.b24 ||
2946 fcport->port_type == FCT_BROADCAST)
2947 continue;
2948
2949 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2950 if (format != 3 ||
2951 fcport->port_type != FCT_INITIATOR) {
e315cd28 2952 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2953 0, 0);
1da177e4
LT		 2954 }
2955 }
1da177e4
LT		 2956 }
2957 }
2958 return (rval);
2959}
2960
2961/*
2962 * qla2x00_fabric_dev_login
2963 * Login fabric target device and update FC port database.
2964 *
2965 * Input:
2966 * ha: adapter state pointer.
2967 * fcport: port structure list pointer.
2968 * next_loopid: contains value of a new loop ID that can be used
2969 * by the next login attempt.
2970 *
2971 * Returns:
2972 * qla2x00 local function return status code.
2973 *
2974 * Context:
2975 * Kernel context.
2976 */
2977static int
e315cd28 2978qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 2979 uint16_t *next_loopid)
2980{
2981 int rval;
2982 int retry;
0107109e 2983 uint8_t opts;
e315cd28 2984 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2985
2986 rval = QLA_SUCCESS;
2987 retry = 0;
2988
e315cd28 2989 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 2990 if (rval == QLA_SUCCESS) {
0107109e
AV		 2991 /* Send an ADISC to tape devices.*/
2992 opts = 0;
2993 if (fcport->flags & FCF_TAPE_PRESENT)
2994 opts |= BIT_1;
e315cd28 2995 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 2996 if (rval != QLA_SUCCESS) {
e315cd28 2997 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2998 fcport->d_id.b.domain, fcport->d_id.b.area,
2999 fcport->d_id.b.al_pa);
e315cd28 3000 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3001 } else {
e315cd28 3002 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3003 }
3004 }
3005
3006 return (rval);
3007}
3008
3009/*
3010 * qla2x00_fabric_login
3011 * Issue fabric login command.
3012 *
3013 * Input:
3014 * ha = adapter block pointer.
3015 * device = pointer to FC device type structure.
3016 *
3017 * Returns:
3018 * 0 - Login successfully
3019 * 1 - Login failed
3020 * 2 - Initiator device
3021 * 3 - Fatal error
3022 */
3023int
e315cd28 3024qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3025 uint16_t *next_loopid)
3026{
3027 int rval;
3028 int retry;
3029 uint16_t tmp_loopid;
3030 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3031 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3032
3033 retry = 0;
3034 tmp_loopid = 0;
3035
3036 for (;;) {
3037 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3038 "for port %02x%02x%02x.\n",
e315cd28 3039 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3040 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3041
3042 /* Login fcport on switch. */
e315cd28 3043 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3044 fcport->d_id.b.domain, fcport->d_id.b.area,
3045 fcport->d_id.b.al_pa, mb, BIT_0);
3046 if (mb[0] == MBS_PORT_ID_USED) {
3047 /*
3048 * Device has another loop ID. The firmware team
0107109e
AV		 3049 * recommends the driver perform an implicit login with
3050 * the specified ID again. The ID we just used is save
3051 * here so we return with an ID that can be tried by
3052 * the next login.
1da177e4
LT		 3053 */
3054 retry++;
3055 tmp_loopid = fcport->loop_id;
3056 fcport->loop_id = mb[1];
3057
3058 DEBUG(printk("Fabric Login: port in use - next "
3059 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3060 fcport->loop_id, fcport->d_id.b.domain,
3061 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3062
3063 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3064 /*
3065 * Login succeeded.
3066 */
3067 if (retry) {
3068 /* A retry occurred before. */
3069 *next_loopid = tmp_loopid;
3070 } else {
3071 /*
3072 * No retry occurred before. Just increment the
3073 * ID value for next login.
3074 */
3075 *next_loopid = (fcport->loop_id + 1);
3076 }
3077
3078 if (mb[1] & BIT_0) {
3079 fcport->port_type = FCT_INITIATOR;
3080 } else {
3081 fcport->port_type = FCT_TARGET;
3082 if (mb[1] & BIT_1) {
3083 fcport->flags |= FCF_TAPE_PRESENT;
3084 }
3085 }
3086
ad3e0eda
AV		 3087 if (mb[10] & BIT_0)
3088 fcport->supported_classes |= FC_COS_CLASS2;
3089 if (mb[10] & BIT_1)
3090 fcport->supported_classes |= FC_COS_CLASS3;
3091
1da177e4
LT		 3092 rval = QLA_SUCCESS;
3093 break;
3094 } else if (mb[0] == MBS_LOOP_ID_USED) {
3095 /*
3096 * Loop ID already used, try next loop ID.
3097 */
3098 fcport->loop_id++;
e315cd28 3099 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3100 if (rval != QLA_SUCCESS) {
3101 /* Ran out of loop IDs to use */
3102 break;
3103 }
3104 } else if (mb[0] == MBS_COMMAND_ERROR) {
3105 /*
3106 * Firmware possibly timed out during login. If NO
3107 * retries are left to do then the device is declared
3108 * dead.
3109 */
3110 *next_loopid = fcport->loop_id;
e315cd28 3111 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3112 fcport->d_id.b.domain, fcport->d_id.b.area,
3113 fcport->d_id.b.al_pa);
e315cd28 3114 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3115
3116 rval = 1;
3117 break;
3118 } else {
3119 /*
3120 * unrecoverable / not handled error
3121 */
3122 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3123 "loop_id=%x jiffies=%lx.\n",
e315cd28 3124 __func__, vha->host_no, mb[0],
1da177e4
LT		 3125 fcport->d_id.b.domain, fcport->d_id.b.area,
3126 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3127
3128 *next_loopid = fcport->loop_id;
e315cd28 3129 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3130 fcport->d_id.b.domain, fcport->d_id.b.area,
3131 fcport->d_id.b.al_pa);
1da177e4 3132 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3133 fcport->login_retry = 0;
1da177e4
LT		 3134
3135 rval = 3;
3136 break;
3137 }
3138 }
3139
3140 return (rval);
3141}
3142
3143/*
3144 * qla2x00_local_device_login
3145 * Issue local device login command.
3146 *
3147 * Input:
3148 * ha = adapter block pointer.
3149 * loop_id = loop id of device to login to.
3150 *
3151 * Returns (Where's the #define!!!!):
3152 * 0 - Login successfully
3153 * 1 - Login failed
3154 * 3 - Fatal error
3155 */
3156int
e315cd28 3157qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3158{
3159 int rval;
3160 uint16_t mb[MAILBOX_REGISTER_COUNT];
3161
3162 memset(mb, 0, sizeof(mb));
e315cd28 3163 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3164 if (rval == QLA_SUCCESS) {
3165 /* Interrogate mailbox registers for any errors */
3166 if (mb[0] == MBS_COMMAND_ERROR)
3167 rval = 1;
3168 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3169 /* device not in PCB table */
3170 rval = 3;
3171 }
3172
3173 return (rval);
3174}
3175
3176/*
3177 * qla2x00_loop_resync
3178 * Resync with fibre channel devices.
3179 *
3180 * Input:
3181 * ha = adapter block pointer.
3182 *
3183 * Returns:
3184 * 0 = success
3185 */
3186int
e315cd28 3187qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3188{
73208dfd 3189 int rval = QLA_SUCCESS;
1da177e4 3190 uint32_t wait_time;
67c2e93a
AC		 3191 struct req_que *req;
3192 struct rsp_que *rsp;
3193
3194 if (ql2xmultique_tag)
3195 req = vha->hw->req_q_map[0];
3196 else
3197 req = vha->req;
3198 rsp = req->rsp;
1da177e4 3199
e315cd28
AC		 3200 atomic_set(&vha->loop_state, LOOP_UPDATE);
3201 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3202 if (vha->flags.online) {
3203 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3204 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3205 wait_time = 256;
3206 do {
e315cd28 3207 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3208
0107109e 3209 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3210 qla2x00_marker(vha, req, rsp, 0, 0,
3211 MK_SYNC_ALL);
e315cd28 3212 vha->marker_needed = 0;
1da177e4
LT		 3213
3214 /* Remap devices on Loop. */
e315cd28 3215 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3216
e315cd28 3217 qla2x00_configure_loop(vha);
1da177e4 3218 wait_time--;
e315cd28
AC		 3219 } while (!atomic_read(&vha->loop_down_timer) &&
3220 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3221 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3222 &vha->dpc_flags)));
1da177e4 3223 }
1da177e4
LT		 3224 }
3225
e315cd28 3226 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3227 return (QLA_FUNCTION_FAILED);
1da177e4 3228
e315cd28 3229 if (rval)
1da177e4 3230 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3231
3232 return (rval);
3233}
3234
d97994dc 3235void
e315cd28 3236qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc 3237{
3238 fc_port_t *fcport;
3239
3240 /* Go with deferred removal of rport references. */
e315cd28
AC		 3241 list_for_each_entry(fcport, &vha->vp_fcports, list)
3242 if (fcport && fcport->drport &&
c9c5ced9 3243 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc 3244 qla2x00_rport_del(fcport);
3245}
3246
1da177e4
LT		 3247/*
3248* qla2x00_abort_isp
3249* Resets ISP and aborts all outstanding commands.
3250*
3251* Input:
3252* ha = adapter block pointer.
3253*
3254* Returns:
3255* 0 = success
3256*/
3257int
e315cd28 3258qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3259{
476e8978 3260 int rval;
1da177e4 3261 uint8_t status = 0;
e315cd28
AC		 3262 struct qla_hw_data *ha = vha->hw;
3263 struct scsi_qla_host *vp;
ee546b6e 3264 struct scsi_qla_host *tvp;
73208dfd 3265 struct req_que *req = ha->req_q_map[0];
1da177e4 3266
e315cd28
AC		 3267 if (vha->flags.online) {
3268 vha->flags.online = 0;
2533cf67 3269 ha->flags.chip_reset_done = 0;
e315cd28 3270 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3271 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3272
3273 qla_printk(KERN_INFO, ha,
3274 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3275 ha->isp_ops->reset_chip(vha);
3276
3277 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3278 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3279 atomic_set(&vha->loop_state, LOOP_DOWN);
3280 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3281 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3282 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3283 } else {
e315cd28
AC		 3284 if (!atomic_read(&vha->loop_down_timer))
3285 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3286 LOOP_DOWN_TIME);
3287 }
3288
1da177e4 3289 /* Requeue all commands in outstanding command list. */
e315cd28 3290 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3291
73208dfd 3292 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3293
e315cd28 3294 ha->isp_ops->nvram_config(vha);
1da177e4 3295
e315cd28
AC		 3296 if (!qla2x00_restart_isp(vha)) {
3297 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3298
e315cd28 3299 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3300 /*
3301 * Issue marker command only when we are going
3302 * to start the I/O .
3303 */
e315cd28 3304 vha->marker_needed = 1;
1da177e4
LT		 3305 }
3306
e315cd28 3307 vha->flags.online = 1;
1da177e4 3308
fd34f556 3309 ha->isp_ops->enable_intrs(ha);
1da177e4 3310
fa2a1ce5 3311 ha->isp_abort_cnt = 0;
e315cd28 3312 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3313
df613b96
AV		 3314 if (ha->fce) {
3315 ha->flags.fce_enabled = 1;
3316 memset(ha->fce, 0,
3317 fce_calc_size(ha->fce_bufs));
e315cd28 3318 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3319 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3320 &ha->fce_bufs);
3321 if (rval) {
3322 qla_printk(KERN_WARNING, ha,
3323 "Unable to reinitialize FCE "
3324 "(%d).\n", rval);
3325 ha->flags.fce_enabled = 0;
3326 }
3327 }
436a7b11
AV		 3328
3329 if (ha->eft) {
3330 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3331 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3332 ha->eft_dma, EFT_NUM_BUFFERS);
3333 if (rval) {
3334 qla_printk(KERN_WARNING, ha,
3335 "Unable to reinitialize EFT "
3336 "(%d).\n", rval);
3337 }
3338 }
1da177e4 3339 } else { /* failed the ISP abort */
e315cd28
AC		 3340 vha->flags.online = 1;
3341 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3342 if (ha->isp_abort_cnt == 0) {
3343 qla_printk(KERN_WARNING, ha,
3344 "ISP error recovery failed - "
3345 "board disabled\n");
fa2a1ce5 3346 /*
1da177e4
LT		 3347 * The next call disables the board
3348 * completely.
3349 */
e315cd28
AC		 3350 ha->isp_ops->reset_adapter(vha);
3351 vha->flags.online = 0;
1da177e4 3352 clear_bit(ISP_ABORT_RETRY,
e315cd28 3353 &vha->dpc_flags);
1da177e4
LT		 3354 status = 0;
3355 } else { /* schedule another ISP abort */
3356 ha->isp_abort_cnt--;
3357 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3358 "retry remaining %d\n",
e315cd28 3359 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3360 status = 1;
3361 }
3362 } else {
3363 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3364 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3365 "- retrying (%d) more times\n",
e315cd28
AC		 3366 vha->host_no, ha->isp_abort_cnt));
3367 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3368 status = 1;
3369 }
3370 }
fa2a1ce5 3371
1da177e4
LT		 3372 }
3373
e315cd28
AC		 3374 if (!status) {
3375 DEBUG(printk(KERN_INFO
3376 "qla2x00_abort_isp(%ld): succeeded.\n",
3377 vha->host_no));
ee546b6e 3378 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3379 if (vp->vp_idx)
3380 qla2x00_vp_abort_isp(vp);
3381 }
3382 } else {
1da177e4
LT		 3383 qla_printk(KERN_INFO, ha,
3384 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3385 }
3386
3387 return(status);
3388}
3389
3390/*
3391* qla2x00_restart_isp
3392* restarts the ISP after a reset
3393*
3394* Input:
3395* ha = adapter block pointer.
3396*
3397* Returns:
3398* 0 = success
3399*/
3400static int
e315cd28 3401qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3402{
c6b2fca8 3403 int status = 0;
1da177e4 3404 uint32_t wait_time;
e315cd28 3405 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3406 struct req_que *req = ha->req_q_map[0];
3407 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3408
3409 /* If firmware needs to be loaded */
e315cd28
AC		 3410 if (qla2x00_isp_firmware(vha)) {
3411 vha->flags.online = 0;
3412 status = ha->isp_ops->chip_diag(vha);
3413 if (!status)
3414 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3415 }
3416
e315cd28
AC		 3417 if (!status && !(status = qla2x00_init_rings(vha))) {
3418 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 3419 ha->flags.chip_reset_done = 1;
73208dfd
AC		 3420 /* Initialize the queues in use */
3421 qla25xx_init_queues(ha);
3422
e315cd28
AC		 3423 status = qla2x00_fw_ready(vha);
3424 if (!status) {
1da177e4 3425 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3426 "status = %d\n", __func__, status));
0107109e
AV		 3427
3428 /* Issue a marker after FW becomes ready. */
73208dfd 3429 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3430
e315cd28 3431 vha->flags.online = 1;
1da177e4
LT		 3432 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3433 wait_time = 256;
3434 do {
e315cd28
AC		 3435 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3436 qla2x00_configure_loop(vha);
1da177e4 3437 wait_time--;
e315cd28
AC		 3438 } while (!atomic_read(&vha->loop_down_timer) &&
3439 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3440 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3441 &vha->dpc_flags)));
1da177e4
LT		 3442 }
3443
3444 /* if no cable then assume it's good */
e315cd28 3445 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3446 status = 0;
3447
3448 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3449 __func__,
744f11fd 3450 status));
1da177e4
LT		 3451 }
3452 return (status);
3453}
3454
73208dfd
AC		 3455static int
3456qla25xx_init_queues(struct qla_hw_data *ha)
3457{
3458 struct rsp_que *rsp = NULL;
3459 struct req_que *req = NULL;
3460 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3461 int ret = -1;
3462 int i;
3463
2afa19a9 3464 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 3465 rsp = ha->rsp_q_map[i];
3466 if (rsp) {
3467 rsp->options &= ~BIT_0;
618a7523 3468 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3469 if (ret != QLA_SUCCESS)
3470 DEBUG2_17(printk(KERN_WARNING
3471 "%s Rsp que:%d init failed\n", __func__,
3472 rsp->id));
3473 else
3474 DEBUG2_17(printk(KERN_INFO
3475 "%s Rsp que:%d inited\n", __func__,
3476 rsp->id));
3477 }
2afa19a9
AC		 3478 }
3479 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 3480 req = ha->req_q_map[i];
3481 if (req) {
29bdccbe 3482 /* Clear outstanding commands array. */
73208dfd 3483 req->options &= ~BIT_0;
618a7523 3484 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3485 if (ret != QLA_SUCCESS)
3486 DEBUG2_17(printk(KERN_WARNING
3487 "%s Req que:%d init failed\n", __func__,
3488 req->id));
3489 else
3490 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3491 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3492 req->id));
3493 }
3494 }
3495 return ret;
3496}
3497
1da177e4
LT		 3498/*
3499* qla2x00_reset_adapter
3500* Reset adapter.
3501*
3502* Input:
3503* ha = adapter block pointer.
3504*/
abbd8870 3505void
e315cd28 3506qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3507{
3508 unsigned long flags = 0;
e315cd28 3509 struct qla_hw_data *ha = vha->hw;
3d71644c 3510 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3511
e315cd28 3512 vha->flags.online = 0;
fd34f556 3513 ha->isp_ops->disable_intrs(ha);
1da177e4 3514
1da177e4
LT		 3515 spin_lock_irqsave(&ha->hardware_lock, flags);
3516 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3517 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3518 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3519 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3520 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3521}
0107109e
AV		 3522
3523void
e315cd28 3524qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3525{
3526 unsigned long flags = 0;
e315cd28 3527 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3528 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3529
e315cd28 3530 vha->flags.online = 0;
fd34f556 3531 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3532
3533 spin_lock_irqsave(&ha->hardware_lock, flags);
3534 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3535 RD_REG_DWORD(&reg->hccr);
3536 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3537 RD_REG_DWORD(&reg->hccr);
3538 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3539
3540 if (IS_NOPOLLING_TYPE(ha))
3541 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3542}
3543
4e08df3f
DM		 3544/* On sparc systems, obtain port and node WWN from firmware
3545 * properties.
3546 */
e315cd28
AC		 3547static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3548 struct nvram_24xx *nv)
4e08df3f
DM		 3549{
3550#ifdef CONFIG_SPARC
e315cd28 3551 struct qla_hw_data *ha = vha->hw;
4e08df3f 3552 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3553 struct device_node *dp = pci_device_to_OF_node(pdev);
3554 const u8 *val;
4e08df3f
DM		 3555 int len;
3556
3557 val = of_get_property(dp, "port-wwn", &len);
3558 if (val && len >= WWN_SIZE)
3559 memcpy(nv->port_name, val, WWN_SIZE);
3560
3561 val = of_get_property(dp, "node-wwn", &len);
3562 if (val && len >= WWN_SIZE)
3563 memcpy(nv->node_name, val, WWN_SIZE);
3564#endif
3565}
3566
0107109e 3567int
e315cd28 3568qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3569{
4e08df3f 3570 int rval;
0107109e
AV		 3571 struct init_cb_24xx *icb;
3572 struct nvram_24xx *nv;
3573 uint32_t *dptr;
3574 uint8_t *dptr1, *dptr2;
3575 uint32_t chksum;
3576 uint16_t cnt;
e315cd28 3577 struct qla_hw_data *ha = vha->hw;
0107109e 3578
4e08df3f 3579 rval = QLA_SUCCESS;
0107109e 3580 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3581 nv = ha->nvram;
0107109e
AV		 3582
3583 /* Determine NVRAM starting address. */
e5b68a61
AC		 3584 if (ha->flags.port0) {
3585 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3586 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3587 } else {
0107109e 3588 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 3589 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3590 }
e5b68a61
AC		 3591 ha->nvram_size = sizeof(struct nvram_24xx);
3592 ha->vpd_size = FA_NVRAM_VPD_SIZE;
0107109e 3593
281afe19
SJ		 3594 /* Get VPD data into cache */
3595 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3596 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3597 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3598
3599 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3600 dptr = (uint32_t *)nv;
e315cd28 3601 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3602 ha->nvram_size);
3603 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3604 chksum += le32_to_cpu(*dptr++);
3605
7640335e 3606 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 3607 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3608
3609 /* Bad NVRAM data, set defaults parameters. */
3610 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3611 || nv->id[3] != ' ' ||
3612 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3613 /* Reset NVRAM data. */
3614 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3615 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3616 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3617 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3618 "invalid -- WWPN) defaults.\n");
3619
3620 /*
3621 * Set default initialization control block.
3622 */
3623 memset(nv, 0, ha->nvram_size);
3624 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3625 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3626 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3627 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3628 nv->exchange_count = __constant_cpu_to_le16(0);
3629 nv->hard_address = __constant_cpu_to_le16(124);
3630 nv->port_name[0] = 0x21;
e5b68a61 3631 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 3632 nv->port_name[2] = 0x00;
3633 nv->port_name[3] = 0xe0;
3634 nv->port_name[4] = 0x8b;
3635 nv->port_name[5] = 0x1c;
3636 nv->port_name[6] = 0x55;
3637 nv->port_name[7] = 0x86;
3638 nv->node_name[0] = 0x20;
3639 nv->node_name[1] = 0x00;
3640 nv->node_name[2] = 0x00;
3641 nv->node_name[3] = 0xe0;
3642 nv->node_name[4] = 0x8b;
3643 nv->node_name[5] = 0x1c;
3644 nv->node_name[6] = 0x55;
3645 nv->node_name[7] = 0x86;
e315cd28 3646 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3647 nv->login_retry_count = __constant_cpu_to_le16(8);
3648 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3649 nv->login_timeout = __constant_cpu_to_le16(0);
3650 nv->firmware_options_1 =
3651 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3652 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3653 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3654 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3655 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3656 nv->efi_parameters = __constant_cpu_to_le32(0);
3657 nv->reset_delay = 5;
3658 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3659 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3660 nv->link_down_timeout = __constant_cpu_to_le16(30);
3661
3662 rval = 1;
0107109e
AV		 3663 }
3664
3665 /* Reset Initialization control block */
e315cd28 3666 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3667
3668 /* Copy 1st segment. */
3669 dptr1 = (uint8_t *)icb;
3670 dptr2 = (uint8_t *)&nv->version;
3671 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3672 while (cnt--)
3673 *dptr1++ = *dptr2++;
3674
3675 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3676 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3677
3678 /* Copy 2nd segment. */
3679 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3680 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3681 cnt = (uint8_t *)&icb->reserved_3 -
3682 (uint8_t *)&icb->interrupt_delay_timer;
3683 while (cnt--)
3684 *dptr1++ = *dptr2++;
3685
3686 /*
3687 * Setup driver NVRAM options.
3688 */
e315cd28 3689 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3690 "QLA2462");
0107109e 3691
5341e868
AV		 3692 /* Use alternate WWN? */
3693 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3694 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3695 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3696 }
3697
0107109e 3698 /* Prepare nodename */
fd0e7e4d 3699 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3700 /*
3701 * Firmware will apply the following mask if the nodename was
3702 * not provided.
3703 */
3704 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3705 icb->node_name[0] &= 0xF0;
3706 }
3707
3708 /* Set host adapter parameters. */
3709 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3710 ha->flags.enable_lip_reset = 0;
3711 ha->flags.enable_lip_full_login =
3712 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3713 ha->flags.enable_target_reset =
3714 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3715 ha->flags.enable_led_scheme = 0;
d4c760c2 3716 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3717
fd0e7e4d
AV		 3718 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3719 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3720
3721 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3722 sizeof(ha->fw_seriallink_options24));
3723
3724 /* save HBA serial number */
3725 ha->serial0 = icb->port_name[5];
3726 ha->serial1 = icb->port_name[6];
3727 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3728 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3729 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3730
bc8fb3cb 3731 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3732
0107109e
AV		 3733 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3734
3735 /* Set minimum login_timeout to 4 seconds. */
3736 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3737 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3738 if (le16_to_cpu(nv->login_timeout) < 4)
3739 nv->login_timeout = __constant_cpu_to_le16(4);
3740 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3741 icb->login_timeout = nv->login_timeout;
0107109e 3742
00a537b8
AV		 3743 /* Set minimum RATOV to 100 tenths of a second. */
3744 ha->r_a_tov = 100;
0107109e
AV		 3745
3746 ha->loop_reset_delay = nv->reset_delay;
3747
3748 /* Link Down Timeout = 0:
3749 *
3750 * When Port Down timer expires we will start returning
3751 * I/O's to OS with "DID_NO_CONNECT".
3752 *
3753 * Link Down Timeout != 0:
3754 *
3755 * The driver waits for the link to come up after link down
3756 * before returning I/Os to OS with "DID_NO_CONNECT".
3757 */
3758 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3759 ha->loop_down_abort_time =
3760 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3761 } else {
3762 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3763 ha->loop_down_abort_time =
3764 (LOOP_DOWN_TIME - ha->link_down_timeout);
3765 }
3766
3767 /* Need enough time to try and get the port back. */
3768 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3769 if (qlport_down_retry)
3770 ha->port_down_retry_count = qlport_down_retry;
3771
3772 /* Set login_retry_count */
3773 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3774 if (ha->port_down_retry_count ==
3775 le16_to_cpu(nv->port_down_retry_count) &&
3776 ha->port_down_retry_count > 3)
3777 ha->login_retry_count = ha->port_down_retry_count;
3778 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3779 ha->login_retry_count = ha->port_down_retry_count;
3780 if (ql2xloginretrycount)
3781 ha->login_retry_count = ql2xloginretrycount;
3782
4fdfefe5 3783 /* Enable ZIO. */
e315cd28 3784 if (!vha->flags.init_done) {
4fdfefe5
AV		 3785 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3786 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3787 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3788 le16_to_cpu(icb->interrupt_delay_timer): 2;
3789 }
3790 icb->firmware_options_2 &= __constant_cpu_to_le32(
3791 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3792 vha->flags.process_response_queue = 0;
4fdfefe5 3793 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 3794 ha->zio_mode = QLA_ZIO_MODE_6;
3795
4fdfefe5 3796 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3797 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3798 ha->zio_timer * 100));
3799 qla_printk(KERN_INFO, ha,
3800 "ZIO mode %d enabled; timer delay (%d us).\n",
3801 ha->zio_mode, ha->zio_timer * 100);
3802
3803 icb->firmware_options_2 |= cpu_to_le32(
3804 (uint32_t)ha->zio_mode);
3805 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3806 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3807 }
3808
4e08df3f
DM		 3809 if (rval) {
3810 DEBUG2_3(printk(KERN_WARNING
e315cd28 3811 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3812 }
3813 return (rval);
0107109e
AV		 3814}
3815
413975a0 3816static int
cbc8eb67
AV		 3817qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
3818 uint32_t faddr)
d1c61909 3819{
73208dfd 3820 int rval = QLA_SUCCESS;
d1c61909 3821 int segments, fragment;
d1c61909
AV		 3822 uint32_t *dcode, dlen;
3823 uint32_t risc_addr;
3824 uint32_t risc_size;
3825 uint32_t i;
e315cd28 3826 struct qla_hw_data *ha = vha->hw;
73208dfd 3827 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3828
3829 qla_printk(KERN_INFO, ha,
cbc8eb67 3830 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 3831
d1c61909
AV		 3832 rval = QLA_SUCCESS;
3833
3834 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 3835 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3836 *srisc_addr = 0;
3837
3838 /* Validate firmware image by checking version. */
e315cd28 3839 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3840 for (i = 0; i < 4; i++)
3841 dcode[i] = be32_to_cpu(dcode[i]);
3842 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3843 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3844 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3845 dcode[3] == 0)) {
3846 qla_printk(KERN_WARNING, ha,
3847 "Unable to verify integrity of flash firmware image!\n");
3848 qla_printk(KERN_WARNING, ha,
3849 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3850 dcode[1], dcode[2], dcode[3]);
3851
3852 return QLA_FUNCTION_FAILED;
3853 }
3854
3855 while (segments && rval == QLA_SUCCESS) {
3856 /* Read segment's load information. */
e315cd28 3857 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3858
3859 risc_addr = be32_to_cpu(dcode[2]);
3860 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3861 risc_size = be32_to_cpu(dcode[3]);
3862
3863 fragment = 0;
3864 while (risc_size > 0 && rval == QLA_SUCCESS) {
3865 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3866 if (dlen > risc_size)
3867 dlen = risc_size;
3868
3869 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3870 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3871 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3872
e315cd28 3873 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3874 for (i = 0; i < dlen; i++)
3875 dcode[i] = swab32(dcode[i]);
3876
73208dfd 3877 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3878 dlen);
3879 if (rval) {
3880 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3881 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3882 fragment));
3883 qla_printk(KERN_WARNING, ha,
3884 "[ERROR] Failed to load segment %d of "
3885 "firmware\n", fragment);
3886 break;
3887 }
3888
3889 faddr += dlen;
3890 risc_addr += dlen;
3891 risc_size -= dlen;
3892 fragment++;
3893 }
3894
3895 /* Next segment. */
3896 segments--;
3897 }
3898
3899 return rval;
3900}
3901
d1c61909
AV		 3902#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3903
0107109e 3904int
e315cd28 3905qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3906{
3907 int rval;
3908 int i, fragment;
3909 uint16_t *wcode, *fwcode;
3910 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3911 struct fw_blob *blob;
e315cd28 3912 struct qla_hw_data *ha = vha->hw;
73208dfd 3913 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3914
3915 /* Load firmware blob. */
e315cd28 3916 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3917 if (!blob) {
3918 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3919 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3920 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3921 return QLA_FUNCTION_FAILED;
3922 }
3923
3924 rval = QLA_SUCCESS;
3925
73208dfd 3926 wcode = (uint16_t *)req->ring;
5433383e
AV		 3927 *srisc_addr = 0;
3928 fwcode = (uint16_t *)blob->fw->data;
3929 fwclen = 0;
3930
3931 /* Validate firmware image by checking version. */
3932 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3933 qla_printk(KERN_WARNING, ha,
3934 "Unable to verify integrity of firmware image (%Zd)!\n",
3935 blob->fw->size);
3936 goto fail_fw_integrity;
3937 }
3938 for (i = 0; i < 4; i++)
3939 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3940 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3941 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3942 wcode[2] == 0 && wcode[3] == 0)) {
3943 qla_printk(KERN_WARNING, ha,
3944 "Unable to verify integrity of firmware image!\n");
3945 qla_printk(KERN_WARNING, ha,
3946 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3947 wcode[1], wcode[2], wcode[3]);
3948 goto fail_fw_integrity;
3949 }
3950
3951 seg = blob->segs;
3952 while (*seg && rval == QLA_SUCCESS) {
3953 risc_addr = *seg;
3954 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3955 risc_size = be16_to_cpu(fwcode[3]);
3956
3957 /* Validate firmware image size. */
3958 fwclen += risc_size * sizeof(uint16_t);
3959 if (blob->fw->size < fwclen) {
3960 qla_printk(KERN_WARNING, ha,
3961 "Unable to verify integrity of firmware image "
3962 "(%Zd)!\n", blob->fw->size);
3963 goto fail_fw_integrity;
3964 }
3965
3966 fragment = 0;
3967 while (risc_size > 0 && rval == QLA_SUCCESS) {
3968 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3969 if (wlen > risc_size)
3970 wlen = risc_size;
3971
3972 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 3973 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 3974 risc_addr, wlen));
3975
3976 for (i = 0; i < wlen; i++)
3977 wcode[i] = swab16(fwcode[i]);
3978
73208dfd 3979 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 3980 wlen);
3981 if (rval) {
3982 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3983 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 3984 fragment));
3985 qla_printk(KERN_WARNING, ha,
3986 "[ERROR] Failed to load segment %d of "
3987 "firmware\n", fragment);
3988 break;
3989 }
3990
3991 fwcode += wlen;
3992 risc_addr += wlen;
3993 risc_size -= wlen;
3994 fragment++;
3995 }
3996
3997 /* Next segment. */
3998 seg++;
3999 }
4000 return rval;
4001
4002fail_fw_integrity:
4003 return QLA_FUNCTION_FAILED;
4004}
4005
eaac30be
AV		 4006static int
4007qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4008{
4009 int rval;
4010 int segments, fragment;
4011 uint32_t *dcode, dlen;
4012 uint32_t risc_addr;
4013 uint32_t risc_size;
4014 uint32_t i;
5433383e 4015 struct fw_blob *blob;
0107109e 4016 uint32_t *fwcode, fwclen;
e315cd28 4017 struct qla_hw_data *ha = vha->hw;
73208dfd 4018 struct req_que *req = ha->req_q_map[0];
0107109e 4019
5433383e 4020 /* Load firmware blob. */
e315cd28 4021 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4022 if (!blob) {
4023 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4024 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4025 "from: " QLA_FW_URL ".\n");
4026
eaac30be 4027 return QLA_FUNCTION_FAILED;
0107109e
AV		 4028 }
4029
eaac30be
AV		 4030 qla_printk(KERN_INFO, ha,
4031 "FW: Loading via request-firmware...\n");
4032
0107109e
AV		 4033 rval = QLA_SUCCESS;
4034
4035 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4036 dcode = (uint32_t *)req->ring;
0107109e 4037 *srisc_addr = 0;
5433383e 4038 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4039 fwclen = 0;
4040
4041 /* Validate firmware image by checking version. */
5433383e 4042 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4043 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4044 "Unable to verify integrity of firmware image (%Zd)!\n",
4045 blob->fw->size);
0107109e
AV		 4046 goto fail_fw_integrity;
4047 }
4048 for (i = 0; i < 4; i++)
4049 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4050 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4051 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4052 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4053 dcode[3] == 0)) {
4054 qla_printk(KERN_WARNING, ha,
5433383e 4055 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4056 qla_printk(KERN_WARNING, ha,
4057 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4058 dcode[1], dcode[2], dcode[3]);
4059 goto fail_fw_integrity;
4060 }
4061
4062 while (segments && rval == QLA_SUCCESS) {
4063 risc_addr = be32_to_cpu(fwcode[2]);
4064 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4065 risc_size = be32_to_cpu(fwcode[3]);
4066
4067 /* Validate firmware image size. */
4068 fwclen += risc_size * sizeof(uint32_t);
5433383e 4069 if (blob->fw->size < fwclen) {
0107109e 4070 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4071 "Unable to verify integrity of firmware image "
4072 "(%Zd)!\n", blob->fw->size);
4073
0107109e
AV		 4074 goto fail_fw_integrity;
4075 }
4076
4077 fragment = 0;
4078 while (risc_size > 0 && rval == QLA_SUCCESS) {
4079 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4080 if (dlen > risc_size)
4081 dlen = risc_size;
4082
4083 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4084 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4085 risc_addr, dlen));
4086
4087 for (i = 0; i < dlen; i++)
4088 dcode[i] = swab32(fwcode[i]);
4089
73208dfd 4090 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4091 dlen);
0107109e
AV		 4092 if (rval) {
4093 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4094 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4095 fragment));
4096 qla_printk(KERN_WARNING, ha,
4097 "[ERROR] Failed to load segment %d of "
4098 "firmware\n", fragment);
4099 break;
4100 }
4101
4102 fwcode += dlen;
4103 risc_addr += dlen;
4104 risc_size -= dlen;
4105 fragment++;
4106 }
4107
4108 /* Next segment. */
4109 segments--;
4110 }
0107109e
AV		 4111 return rval;
4112
4113fail_fw_integrity:
0107109e 4114 return QLA_FUNCTION_FAILED;
0107109e 4115}
18c6c127 4116
eaac30be
AV		 4117int
4118qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4119{
4120 int rval;
4121
e337d907
AV		 4122 if (ql2xfwloadbin == 1)
4123 return qla81xx_load_risc(vha, srisc_addr);
4124
eaac30be
AV		 4125 /*
4126 * FW Load priority:
4127 * 1) Firmware via request-firmware interface (.bin file).
4128 * 2) Firmware residing in flash.
4129 */
4130 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4131 if (rval == QLA_SUCCESS)
4132 return rval;
4133
cbc8eb67
AV		 4134 return qla24xx_load_risc_flash(vha, srisc_addr,
4135 vha->hw->flt_region_fw);
eaac30be
AV		 4136}
4137
4138int
4139qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4140{
4141 int rval;
cbc8eb67 4142 struct qla_hw_data *ha = vha->hw;
eaac30be 4143
e337d907 4144 if (ql2xfwloadbin == 2)
cbc8eb67 4145 goto try_blob_fw;
e337d907 4146
eaac30be
AV		 4147 /*
4148 * FW Load priority:
4149 * 1) Firmware residing in flash.
4150 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4151 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4152 */
cbc8eb67 4153 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4154 if (rval == QLA_SUCCESS)
4155 return rval;
4156
cbc8eb67
AV		 4157try_blob_fw:
4158 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4159 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4160 return rval;
4161
4162 qla_printk(KERN_ERR, ha,
4163 "FW: Attempting to fallback to golden firmware...\n");
4164 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4165 if (rval != QLA_SUCCESS)
4166 return rval;
4167
4168 qla_printk(KERN_ERR, ha,
4169 "FW: Please update operational firmware...\n");
4170 ha->flags.running_gold_fw = 1;
4171
4172 return rval;
eaac30be
AV		 4173}
4174
18c6c127 4175void
e315cd28 4176qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4177{
4178 int ret, retries;
e315cd28 4179 struct qla_hw_data *ha = vha->hw;
18c6c127 4180
e428924c 4181 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4182 return;
75edf81d
AV		 4183 if (!ha->fw_major_version)
4184 return;
18c6c127 4185
e315cd28 4186 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4187 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4188 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4189 ha->isp_ops->reset_chip(vha);
4190 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4191 continue;
e315cd28 4192 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4193 continue;
4194 qla_printk(KERN_INFO, ha,
4195 "Attempting retry of stop-firmware command...\n");
e315cd28 4196 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4197 }
4198}
2c3dfe3f
SJ		 4199
4200int
e315cd28 4201qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4202{
4203 int rval = QLA_SUCCESS;
4204 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4205 struct qla_hw_data *ha = vha->hw;
4206 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4207 struct req_que *req;
4208 struct rsp_que *rsp;
2c3dfe3f 4209
e315cd28 4210 if (!vha->vp_idx)
2c3dfe3f
SJ		 4211 return -EINVAL;
4212
e315cd28 4213 rval = qla2x00_fw_ready(base_vha);
67c2e93a
AC		 4214 if (ql2xmultique_tag)
4215 req = ha->req_q_map[0];
4216 else
4217 req = vha->req;
4218 rsp = req->rsp;
4219
2c3dfe3f 4220 if (rval == QLA_SUCCESS) {
e315cd28 4221 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4222 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4223 }
4224
e315cd28 4225 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4226
4227 /* Login to SNS first */
e315cd28 4228 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4229 if (mb[0] != MBS_COMMAND_COMPLETE) {
4230 DEBUG15(qla_printk(KERN_INFO, ha,
4231 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4232 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4233 mb[0], mb[1], mb[2], mb[6], mb[7]));
4234 return (QLA_FUNCTION_FAILED);
4235 }
4236
e315cd28
AC		 4237 atomic_set(&vha->loop_down_timer, 0);
4238 atomic_set(&vha->loop_state, LOOP_UP);
4239 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4240 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4241 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4242
4243 return rval;
4244}
4d4df193
HK		 4245
4246/* 84XX Support **************************************************************/
4247
4248static LIST_HEAD(qla_cs84xx_list);
4249static DEFINE_MUTEX(qla_cs84xx_mutex);
4250
4251static struct qla_chip_state_84xx *
e315cd28 4252qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4253{
4254 struct qla_chip_state_84xx *cs84xx;
e315cd28 4255 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4256
4257 mutex_lock(&qla_cs84xx_mutex);
4258
4259 /* Find any shared 84xx chip. */
4260 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4261 if (cs84xx->bus == ha->pdev->bus) {
4262 kref_get(&cs84xx->kref);
4263 goto done;
4264 }
4265 }
4266
4267 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4268 if (!cs84xx)
4269 goto done;
4270
4271 kref_init(&cs84xx->kref);
4272 spin_lock_init(&cs84xx->access_lock);
4273 mutex_init(&cs84xx->fw_update_mutex);
4274 cs84xx->bus = ha->pdev->bus;
4275
4276 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4277done:
4278 mutex_unlock(&qla_cs84xx_mutex);
4279 return cs84xx;
4280}
4281
4282static void
4283__qla84xx_chip_release(struct kref *kref)
4284{
4285 struct qla_chip_state_84xx *cs84xx =
4286 container_of(kref, struct qla_chip_state_84xx, kref);
4287
4288 mutex_lock(&qla_cs84xx_mutex);
4289 list_del(&cs84xx->list);
4290 mutex_unlock(&qla_cs84xx_mutex);
4291 kfree(cs84xx);
4292}
4293
4294void
e315cd28 4295qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4296{
e315cd28 4297 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4298 if (ha->cs84xx)
4299 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4300}
4301
4302static int
e315cd28 4303qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4304{
4305 int rval;
4306 uint16_t status[2];
e315cd28 4307 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4308
4309 mutex_lock(&ha->cs84xx->fw_update_mutex);
4310
e315cd28 4311 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4312
4313 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4314
4315 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4316 QLA_SUCCESS;
4317}
3a03eb79
AV		 4318
4319/* 81XX Support **************************************************************/
4320
4321int
4322qla81xx_nvram_config(scsi_qla_host_t *vha)
4323{
4324 int rval;
4325 struct init_cb_81xx *icb;
4326 struct nvram_81xx *nv;
4327 uint32_t *dptr;
4328 uint8_t *dptr1, *dptr2;
4329 uint32_t chksum;
4330 uint16_t cnt;
4331 struct qla_hw_data *ha = vha->hw;
4332
4333 rval = QLA_SUCCESS;
4334 icb = (struct init_cb_81xx *)ha->init_cb;
4335 nv = ha->nvram;
4336
4337 /* Determine NVRAM starting address. */
4338 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 4339 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 4340
4341 /* Get VPD data into cache */
4342 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 4343 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4344 ha->vpd_size);
3a03eb79
AV		 4345
4346 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 4347 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 4348 ha->nvram_size);
3d79038f 4349 dptr = (uint32_t *)nv;
3a03eb79
AV		 4350 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4351 chksum += le32_to_cpu(*dptr++);
4352
7640335e 4353 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 4354 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4355
4356 /* Bad NVRAM data, set defaults parameters. */
4357 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4358 || nv->id[3] != ' ' ||
4359 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4360 /* Reset NVRAM data. */
4361 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4362 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4363 le16_to_cpu(nv->nvram_version));
4364 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4365 "invalid -- WWPN) defaults.\n");
4366
4367 /*
4368 * Set default initialization control block.
4369 */
4370 memset(nv, 0, ha->nvram_size);
4371 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4372 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4373 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4374 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4375 nv->exchange_count = __constant_cpu_to_le16(0);
4376 nv->port_name[0] = 0x21;
e5b68a61 4377 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 4378 nv->port_name[2] = 0x00;
4379 nv->port_name[3] = 0xe0;
4380 nv->port_name[4] = 0x8b;
4381 nv->port_name[5] = 0x1c;
4382 nv->port_name[6] = 0x55;
4383 nv->port_name[7] = 0x86;
4384 nv->node_name[0] = 0x20;
4385 nv->node_name[1] = 0x00;
4386 nv->node_name[2] = 0x00;
4387 nv->node_name[3] = 0xe0;
4388 nv->node_name[4] = 0x8b;
4389 nv->node_name[5] = 0x1c;
4390 nv->node_name[6] = 0x55;
4391 nv->node_name[7] = 0x86;
4392 nv->login_retry_count = __constant_cpu_to_le16(8);
4393 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4394 nv->login_timeout = __constant_cpu_to_le16(0);
4395 nv->firmware_options_1 =
4396 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4397 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4398 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4399 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4400 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4401 nv->efi_parameters = __constant_cpu_to_le32(0);
4402 nv->reset_delay = 5;
4403 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4404 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4405 nv->link_down_timeout = __constant_cpu_to_le16(30);
eeebcc92 4406 nv->enode_mac[0] = 0x00;
3a03eb79
AV		 4407 nv->enode_mac[1] = 0x02;
4408 nv->enode_mac[2] = 0x03;
4409 nv->enode_mac[3] = 0x04;
4410 nv->enode_mac[4] = 0x05;
e5b68a61 4411 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4412
4413 rval = 1;
4414 }
4415
4416 /* Reset Initialization control block */
4417 memset(icb, 0, sizeof(struct init_cb_81xx));
4418
4419 /* Copy 1st segment. */
4420 dptr1 = (uint8_t *)icb;
4421 dptr2 = (uint8_t *)&nv->version;
4422 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4423 while (cnt--)
4424 *dptr1++ = *dptr2++;
4425
4426 icb->login_retry_count = nv->login_retry_count;
4427
4428 /* Copy 2nd segment. */
4429 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4430 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4431 cnt = (uint8_t *)&icb->reserved_5 -
4432 (uint8_t *)&icb->interrupt_delay_timer;
4433 while (cnt--)
4434 *dptr1++ = *dptr2++;
4435
4436 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4437 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4438 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4439 icb->enode_mac[0] = 0x01;
4440 icb->enode_mac[1] = 0x02;
4441 icb->enode_mac[2] = 0x03;
4442 icb->enode_mac[3] = 0x04;
4443 icb->enode_mac[4] = 0x05;
e5b68a61 4444 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4445 }
4446
b64b0e8f
AV		 4447 /* Use extended-initialization control block. */
4448 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4449
3a03eb79
AV		 4450 /*
4451 * Setup driver NVRAM options.
4452 */
4453 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4454 "QLE81XX");
4455
4456 /* Use alternate WWN? */
4457 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4458 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4459 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4460 }
4461
4462 /* Prepare nodename */
4463 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4464 /*
4465 * Firmware will apply the following mask if the nodename was
4466 * not provided.
4467 */
4468 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4469 icb->node_name[0] &= 0xF0;
4470 }
4471
4472 /* Set host adapter parameters. */
4473 ha->flags.disable_risc_code_load = 0;
4474 ha->flags.enable_lip_reset = 0;
4475 ha->flags.enable_lip_full_login =
4476 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4477 ha->flags.enable_target_reset =
4478 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4479 ha->flags.enable_led_scheme = 0;
4480 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4481
4482 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4483 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4484
4485 /* save HBA serial number */
4486 ha->serial0 = icb->port_name[5];
4487 ha->serial1 = icb->port_name[6];
4488 ha->serial2 = icb->port_name[7];
4489 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4490 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4491
4492 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4493
4494 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4495
4496 /* Set minimum login_timeout to 4 seconds. */
4497 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4498 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4499 if (le16_to_cpu(nv->login_timeout) < 4)
4500 nv->login_timeout = __constant_cpu_to_le16(4);
4501 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4502 icb->login_timeout = nv->login_timeout;
4503
4504 /* Set minimum RATOV to 100 tenths of a second. */
4505 ha->r_a_tov = 100;
4506
4507 ha->loop_reset_delay = nv->reset_delay;
4508
4509 /* Link Down Timeout = 0:
4510 *
4511 * When Port Down timer expires we will start returning
4512 * I/O's to OS with "DID_NO_CONNECT".
4513 *
4514 * Link Down Timeout != 0:
4515 *
4516 * The driver waits for the link to come up after link down
4517 * before returning I/Os to OS with "DID_NO_CONNECT".
4518 */
4519 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4520 ha->loop_down_abort_time =
4521 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4522 } else {
4523 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4524 ha->loop_down_abort_time =
4525 (LOOP_DOWN_TIME - ha->link_down_timeout);
4526 }
4527
4528 /* Need enough time to try and get the port back. */
4529 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4530 if (qlport_down_retry)
4531 ha->port_down_retry_count = qlport_down_retry;
4532
4533 /* Set login_retry_count */
4534 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4535 if (ha->port_down_retry_count ==
4536 le16_to_cpu(nv->port_down_retry_count) &&
4537 ha->port_down_retry_count > 3)
4538 ha->login_retry_count = ha->port_down_retry_count;
4539 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4540 ha->login_retry_count = ha->port_down_retry_count;
4541 if (ql2xloginretrycount)
4542 ha->login_retry_count = ql2xloginretrycount;
4543
4544 /* Enable ZIO. */
4545 if (!vha->flags.init_done) {
4546 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4547 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4548 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4549 le16_to_cpu(icb->interrupt_delay_timer): 2;
4550 }
4551 icb->firmware_options_2 &= __constant_cpu_to_le32(
4552 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4553 vha->flags.process_response_queue = 0;
4554 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4555 ha->zio_mode = QLA_ZIO_MODE_6;
4556
4557 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4558 "(%d us).\n", vha->host_no, ha->zio_mode,
4559 ha->zio_timer * 100));
4560 qla_printk(KERN_INFO, ha,
4561 "ZIO mode %d enabled; timer delay (%d us).\n",
4562 ha->zio_mode, ha->zio_timer * 100);
4563
4564 icb->firmware_options_2 |= cpu_to_le32(
4565 (uint32_t)ha->zio_mode);
4566 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4567 vha->flags.process_response_queue = 1;
4568 }
4569
4570 if (rval) {
4571 DEBUG2_3(printk(KERN_WARNING
4572 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4573 }
4574 return (rval);
4575}
4576
4577void
4578qla81xx_update_fw_options(scsi_qla_host_t *ha)
4579{
4580}
Linux kernel - Deliverables
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