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[SCSI] qla2xxx: Mark a port's state as needing-rediscovery during link disruptions.
[GitHub/mt8127/android_kernel_alcatel_ttab.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
88c26663 733 /* Perform RISC reset. */
e315cd28 734 qla24xx_reset_risc(vha);
0107109e 735
73208dfd 736 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 737
e315cd28 738 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 739 if (rval) {
740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 741 vha->host_no));
0107109e
AV		 742 qla_printk(KERN_WARNING, ha,
743 "Failed mailbox send register test\n");
744 } else {
745 /* Flag a successful rval */
746 rval = QLA_SUCCESS;
747 }
748
749 return rval;
750}
751
a7a167bf 752void
e315cd28 753qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 754{
a7a167bf
AV		 755 int rval;
756 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 757 eft_size, fce_size, mq_size;
df613b96
AV		 758 dma_addr_t tc_dma;
759 void *tc;
e315cd28 760 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 761 struct req_que *req = ha->req_q_map[0];
762 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 763
764 if (ha->fw_dump) {
765 qla_printk(KERN_WARNING, ha,
766 "Firmware dump previously allocated.\n");
767 return;
768 }
d4e3e04d 769
0107109e 770 ha->fw_dumped = 0;
73208dfd 771 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 772 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 773 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 774 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 775 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
776 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
777 sizeof(uint16_t);
e428924c 778 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 779 if (IS_QLA81XX(ha))
780 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
781 else if (IS_QLA25XX(ha))
782 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
783 else
784 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 785 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
786 sizeof(uint32_t);
73208dfd
AC		 787 if (ha->mqenable)
788 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 789 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 790 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 791 goto try_eft;
df613b96
AV		 792
793 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
794 GFP_KERNEL);
795 if (!tc) {
796 qla_printk(KERN_WARNING, ha, "Unable to allocate "
797 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 798 goto try_eft;
df613b96
AV		 799 }
800
801 memset(tc, 0, FCE_SIZE);
e315cd28 802 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 803 ha->fce_mb, &ha->fce_bufs);
804 if (rval) {
805 qla_printk(KERN_WARNING, ha, "Unable to initialize "
806 "FCE (%d).\n", rval);
807 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
808 tc_dma);
809 ha->flags.fce_enabled = 0;
17d98630 810 goto try_eft;
df613b96
AV		 811 }
812
813 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
814 FCE_SIZE / 1024);
815
7d9dade3 816 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 817 ha->flags.fce_enabled = 1;
818 ha->fce_dma = tc_dma;
819 ha->fce = tc;
436a7b11
AV		 820try_eft:
821 /* Allocate memory for Extended Trace Buffer. */
822 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
823 GFP_KERNEL);
824 if (!tc) {
825 qla_printk(KERN_WARNING, ha, "Unable to allocate "
826 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
827 goto cont_alloc;
828 }
829
830 memset(tc, 0, EFT_SIZE);
e315cd28 831 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 832 if (rval) {
833 qla_printk(KERN_WARNING, ha, "Unable to initialize "
834 "EFT (%d).\n", rval);
835 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
836 tc_dma);
837 goto cont_alloc;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
841 EFT_SIZE / 1024);
842
843 eft_size = EFT_SIZE;
844 ha->eft_dma = tc_dma;
845 ha->eft = tc;
d4e3e04d 846 }
a7a167bf 847cont_alloc:
73208dfd
AC		 848 req_q_size = req->length * sizeof(request_t);
849 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 850
851 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 852 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 853 ha->chain_offset = dump_size;
854 dump_size += mq_size + fce_size;
d4e3e04d
AV		 855
856 ha->fw_dump = vmalloc(dump_size);
a7a167bf 857 if (!ha->fw_dump) {
0107109e 858 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 859 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 860
861 if (ha->eft) {
862 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
863 ha->eft_dma);
864 ha->eft = NULL;
865 ha->eft_dma = 0;
866 }
867 return;
868 }
a7a167bf
AV		 869 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
870 dump_size / 1024);
871
872 ha->fw_dump_len = dump_size;
873 ha->fw_dump->signature[0] = 'Q';
874 ha->fw_dump->signature[1] = 'L';
875 ha->fw_dump->signature[2] = 'G';
876 ha->fw_dump->signature[3] = 'C';
877 ha->fw_dump->version = __constant_htonl(1);
878
879 ha->fw_dump->fixed_size = htonl(fixed_size);
880 ha->fw_dump->mem_size = htonl(mem_size);
881 ha->fw_dump->req_q_size = htonl(req_q_size);
882 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
883
884 ha->fw_dump->eft_size = htonl(eft_size);
885 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
886 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
887
888 ha->fw_dump->header_size =
889 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 890}
891
1da177e4
LT		 892/**
893 * qla2x00_setup_chip() - Load and start RISC firmware.
894 * @ha: HA context
895 *
896 * Returns 0 on success.
897 */
898static int
e315cd28 899qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 900{
0107109e
AV		 901 int rval;
902 uint32_t srisc_address = 0;
e315cd28 903 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 904 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
905 unsigned long flags;
dda772e8 906 uint16_t fw_major_version;
3db0652e
AV		 907
908 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
909 /* Disable SRAM, Instruction RAM and GP RAM parity. */
910 spin_lock_irqsave(&ha->hardware_lock, flags);
911 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
912 RD_REG_WORD(&reg->hccr);
913 spin_unlock_irqrestore(&ha->hardware_lock, flags);
914 }
1da177e4
LT		 915
916 /* Load firmware sequences */
e315cd28 917 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 918 if (rval == QLA_SUCCESS) {
1da177e4 919 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 920 "code.\n", vha->host_no));
1da177e4 921
e315cd28 922 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 923 if (rval == QLA_SUCCESS) {
924 /* Start firmware execution. */
925 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 926 "firmware.\n", vha->host_no));
1da177e4 927
e315cd28 928 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 929 /* Retrieve firmware information. */
dda772e8
AV		 930 if (rval == QLA_SUCCESS) {
931 fw_major_version = ha->fw_major_version;
ca9e9c3e 932 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 933 &ha->fw_major_version,
934 &ha->fw_minor_version,
935 &ha->fw_subminor_version,
3a03eb79 936 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 937 ha->mpi_version, &ha->mpi_capabilities,
938 ha->phy_version);
ca9e9c3e
AV		 939 if (rval != QLA_SUCCESS)
940 goto failed;
941
2c3dfe3f 942 ha->flags.npiv_supported = 0;
e315cd28 943 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 944 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 945 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 946 if ((!ha->max_npiv_vports) ||
947 ((ha->max_npiv_vports + 1) %
eb66dc60 948 MIN_MULTI_ID_FABRIC))
4d0ea247 949 ha->max_npiv_vports =
eb66dc60 950 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 951 }
24a08138
AV		 952 qla2x00_get_resource_cnts(vha, NULL,
953 &ha->fw_xcb_count, NULL, NULL,
954 &ha->max_npiv_vports);
d743de66
AV		 955
956 if (!fw_major_version && ql2xallocfwdump)
957 qla2x00_alloc_fw_dump(vha);
1da177e4
LT		 958 }
959 } else {
960 DEBUG2(printk(KERN_INFO
961 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 962 vha->host_no));
1da177e4
LT		 963 }
964 }
965
3db0652e
AV		 966 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
967 /* Enable proper parity. */
968 spin_lock_irqsave(&ha->hardware_lock, flags);
969 if (IS_QLA2300(ha))
970 /* SRAM parity */
971 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
972 else
973 /* SRAM, Instruction RAM and GP RAM parity */
974 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
975 RD_REG_WORD(&reg->hccr);
976 spin_unlock_irqrestore(&ha->hardware_lock, flags);
977 }
978
1d2874de
JC		 979 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
980 uint32_t size;
981
982 rval = qla81xx_fac_get_sector_size(vha, &size);
983 if (rval == QLA_SUCCESS) {
984 ha->flags.fac_supported = 1;
985 ha->fdt_block_size = size << 2;
986 } else {
987 qla_printk(KERN_ERR, ha,
988 "Unsupported FAC firmware (%d.%02d.%02d).\n",
989 ha->fw_major_version, ha->fw_minor_version,
990 ha->fw_subminor_version);
991 }
992 }
ca9e9c3e 993failed:
1da177e4
LT		 994 if (rval) {
995 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 996 vha->host_no));
1da177e4
LT		 997 }
998
999 return (rval);
1000}
1001
1002/**
1003 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1004 * @ha: HA context
1005 *
1006 * Beginning of request ring has initialization control block already built
1007 * by nvram config routine.
1008 *
1009 * Returns 0 on success.
1010 */
73208dfd
AC		 1011void
1012qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1013{
1014 uint16_t cnt;
1015 response_t *pkt;
1016
2afa19a9
AC		 1017 rsp->ring_ptr = rsp->ring;
1018 rsp->ring_index = 0;
1019 rsp->status_srb = NULL;
e315cd28
AC		 1020 pkt = rsp->ring_ptr;
1021 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1022 pkt->signature = RESPONSE_PROCESSED;
1023 pkt++;
1024 }
1da177e4
LT		 1025}
1026
1027/**
1028 * qla2x00_update_fw_options() - Read and process firmware options.
1029 * @ha: HA context
1030 *
1031 * Returns 0 on success.
1032 */
abbd8870 1033void
e315cd28 1034qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1035{
1036 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1037 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1038
1039 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1040 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1041
1042 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1043 return;
1044
1045 /* Serial Link options. */
1046 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1047 vha->host_no));
1da177e4
LT		 1048 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1049 sizeof(ha->fw_seriallink_options)));
1050
1051 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1052 if (ha->fw_seriallink_options[3] & BIT_2) {
1053 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1054
1055 /* 1G settings */
1056 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1057 emphasis = (ha->fw_seriallink_options[2] &
1058 (BIT_4 | BIT_3)) >> 3;
1059 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1060 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1061 rx_sens = (ha->fw_seriallink_options[0] &
1062 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1063 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1064 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1065 if (rx_sens == 0x0)
1066 rx_sens = 0x3;
1067 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1068 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1069 ha->fw_options[10] |= BIT_5 |
1070 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1071 (tx_sens & (BIT_1 | BIT_0));
1072
1073 /* 2G settings */
1074 swing = (ha->fw_seriallink_options[2] &
1075 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1076 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1077 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1078 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1079 rx_sens = (ha->fw_seriallink_options[1] &
1080 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1081 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1082 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1083 if (rx_sens == 0x0)
1084 rx_sens = 0x3;
1085 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1086 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1087 ha->fw_options[11] |= BIT_5 |
1088 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1089 (tx_sens & (BIT_1 | BIT_0));
1090 }
1091
1092 /* FCP2 options. */
1093 /* Return command IOCBs without waiting for an ABTS to complete. */
1094 ha->fw_options[3] |= BIT_13;
1095
1096 /* LED scheme. */
1097 if (ha->flags.enable_led_scheme)
1098 ha->fw_options[2] |= BIT_12;
1099
48c02fde
AV		 1100 /* Detect ISP6312. */
1101 if (IS_QLA6312(ha))
1102 ha->fw_options[2] |= BIT_13;
1103
1da177e4 1104 /* Update firmware options. */
e315cd28 1105 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1106}
1107
0107109e 1108void
e315cd28 1109qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1110{
1111 int rval;
e315cd28 1112 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1113
1114 /* Update Serial Link options. */
f94097ed 1115 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1116 return;
1117
e315cd28 1118 rval = qla2x00_set_serdes_params(vha,
f94097ed
AV		 1119 le16_to_cpu(ha->fw_seriallink_options24[1]),
1120 le16_to_cpu(ha->fw_seriallink_options24[2]),
1121 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1122 if (rval != QLA_SUCCESS) {
1123 qla_printk(KERN_WARNING, ha,
1124 "Unable to update Serial Link options (%x).\n", rval);
1125 }
1126}
1127
abbd8870 1128void
e315cd28 1129qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1130{
e315cd28 1131 struct qla_hw_data *ha = vha->hw;
3d71644c 1132 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1133 struct req_que *req = ha->req_q_map[0];
1134 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1135
1136 /* Setup ring parameters in initialization control block. */
1137 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1138 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1139 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1140 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1141 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1142 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1143 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1144 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1145
1146 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1147 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1148 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1149 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1150 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1151}
1152
0107109e 1153void
e315cd28 1154qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1155{
e315cd28 1156 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1157 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1158 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1159 struct qla_msix_entry *msix;
0107109e 1160 struct init_cb_24xx *icb;
73208dfd
AC		 1161 uint16_t rid = 0;
1162 struct req_que *req = ha->req_q_map[0];
1163 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1164
73208dfd 1165/* Setup ring parameters in initialization control block. */
0107109e
AV		 1166 icb = (struct init_cb_24xx *)ha->init_cb;
1167 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1168 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1169 icb->request_q_length = cpu_to_le16(req->length);
1170 icb->response_q_length = cpu_to_le16(rsp->length);
1171 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1172 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1173 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1174 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1175
73208dfd
AC		 1176 if (ha->mqenable) {
1177 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1178 icb->rid = __constant_cpu_to_le16(rid);
1179 if (ha->flags.msix_enabled) {
1180 msix = &ha->msix_entries[1];
1181 DEBUG2_17(printk(KERN_INFO
2afa19a9 1182 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1183 icb->msix = cpu_to_le16(msix->entry);
1184 }
1185 /* Use alternate PCI bus number */
1186 if (MSB(rid))
1187 icb->firmware_options_2 |=
1188 __constant_cpu_to_le32(BIT_19);
1189 /* Use alternate PCI devfn */
1190 if (LSB(rid))
1191 icb->firmware_options_2 |=
1192 __constant_cpu_to_le32(BIT_18);
1193
618a7523 1194 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1195 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1196
1197 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1198 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1199 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1200 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1201 } else {
1202 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1203 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1204 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1205 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1206 }
1207 /* PCI posting */
1208 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1209}
1210
1da177e4
LT		 1211/**
1212 * qla2x00_init_rings() - Initializes firmware.
1213 * @ha: HA context
1214 *
1215 * Beginning of request ring has initialization control block already built
1216 * by nvram config routine.
1217 *
1218 * Returns 0 on success.
1219 */
1220static int
e315cd28 1221qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1222{
1223 int rval;
1224 unsigned long flags = 0;
29bdccbe 1225 int cnt, que;
e315cd28 1226 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1227 struct req_que *req;
1228 struct rsp_que *rsp;
1229 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1230 struct mid_init_cb_24xx *mid_init_cb =
1231 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1232
1233 spin_lock_irqsave(&ha->hardware_lock, flags);
1234
1235 /* Clear outstanding commands array. */
2afa19a9 1236 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1237 req = ha->req_q_map[que];
1238 if (!req)
1239 continue;
2afa19a9 1240 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1241 req->outstanding_cmds[cnt] = NULL;
1da177e4 1242
2afa19a9 1243 req->current_outstanding_cmd = 1;
1da177e4 1244
29bdccbe
AC		 1245 /* Initialize firmware. */
1246 req->ring_ptr = req->ring;
1247 req->ring_index = 0;
1248 req->cnt = req->length;
1249 }
1da177e4 1250
2afa19a9 1251 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1252 rsp = ha->rsp_q_map[que];
1253 if (!rsp)
1254 continue;
29bdccbe
AC		 1255 /* Initialize response queue entries */
1256 qla2x00_init_response_q_entries(rsp);
1257 }
1da177e4 1258
29bdccbe
AC		 1259 /* Clear RSCN queue. */
1260 list_for_each_entry(vp, &ha->vp_list, list) {
1261 vp->rscn_in_ptr = 0;
1262 vp->rscn_out_ptr = 0;
1263 }
e315cd28 1264 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1265
1266 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1267
1268 /* Update any ISP specific firmware options before initialization. */
e315cd28 1269 ha->isp_ops->update_fw_options(vha);
1da177e4 1270
e315cd28 1271 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1272
605aa2bc
LC		 1273 if (ha->flags.npiv_supported) {
1274 if (ha->operating_mode == LOOP)
1275 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1276 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1277 }
1278
24a08138
AV		 1279 if (IS_FWI2_CAPABLE(ha)) {
1280 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1281 mid_init_cb->init_cb.execution_throttle =
1282 cpu_to_le16(ha->fw_xcb_count);
1283 }
2c3dfe3f 1284
e315cd28 1285 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1286 if (rval) {
1287 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1288 vha->host_no));
1da177e4
LT		 1289 } else {
1290 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1291 vha->host_no));
1da177e4
LT		 1292 }
1293
1294 return (rval);
1295}
1296
1297/**
1298 * qla2x00_fw_ready() - Waits for firmware ready.
1299 * @ha: HA context
1300 *
1301 * Returns 0 on success.
1302 */
1303static int
e315cd28 1304qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1305{
1306 int rval;
4d4df193 1307 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1308 uint16_t min_wait; /* Minimum wait time if loop is down */
1309 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1310 uint16_t state[3];
e315cd28 1311 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1312
1313 rval = QLA_SUCCESS;
1314
1315 /* 20 seconds for loop down. */
fa2a1ce5 1316 min_wait = 20;
1da177e4
LT		 1317
1318 /*
1319 * Firmware should take at most one RATOV to login, plus 5 seconds for
1320 * our own processing.
1321 */
1322 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1323 wait_time = min_wait;
1324 }
1325
1326 /* Min wait time if loop down */
1327 mtime = jiffies + (min_wait * HZ);
1328
1329 /* wait time before firmware ready */
1330 wtime = jiffies + (wait_time * HZ);
1331
1332 /* Wait for ISP to finish LIP */
e315cd28 1333 if (!vha->flags.init_done)
1da177e4
LT		 1334 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1335
1336 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1337 vha->host_no));
1da177e4
LT		 1338
1339 do {
e315cd28 1340 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1341 if (rval == QLA_SUCCESS) {
4d4df193 1342 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1343 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1344 }
4d4df193
HK		 1345 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1346 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1347 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1348 state[2]));
1349 if ((state[2] & FSTATE_LOGGED_IN) &&
1350 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1351 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1352 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1353
1354 cs84xx_time = jiffies;
e315cd28 1355 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1356 if (rval != QLA_SUCCESS)
1357 break;
1358
1359 /* Add time taken to initialize. */
1360 cs84xx_time = jiffies - cs84xx_time;
1361 wtime += cs84xx_time;
1362 mtime += cs84xx_time;
1363 DEBUG16(printk("scsi(%ld): Increasing "
1364 "wait time by %ld. New time %ld\n",
e315cd28 1365 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1366 }
1367 } else if (state[0] == FSTATE_READY) {
1da177e4 1368 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1369 vha->host_no));
1da177e4 1370
e315cd28 1371 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1372 &ha->login_timeout, &ha->r_a_tov);
1373
1374 rval = QLA_SUCCESS;
1375 break;
1376 }
1377
1378 rval = QLA_FUNCTION_FAILED;
1379
e315cd28 1380 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1381 state[0] != FSTATE_READY) {
1da177e4 1382 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1383 * other than Wait for Login.
1384 */
1da177e4
LT		 1385 if (time_after_eq(jiffies, mtime)) {
1386 qla_printk(KERN_INFO, ha,
1387 "Cable is unplugged...\n");
1388
e315cd28 1389 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1390 break;
1391 }
1392 }
1393 } else {
1394 /* Mailbox cmd failed. Timeout on min_wait. */
1395 if (time_after_eq(jiffies, mtime))
1396 break;
1397 }
1398
1399 if (time_after_eq(jiffies, wtime))
1400 break;
1401
1402 /* Delay for a while */
1403 msleep(500);
1404
1405 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1406 vha->host_no, state[0], jiffies));
1da177e4
LT		 1407 } while (1);
1408
1409 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1410 vha->host_no, state[0], jiffies));
1da177e4
LT		 1411
1412 if (rval) {
1413 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1414 vha->host_no));
1da177e4
LT		 1415 }
1416
1417 return (rval);
1418}
1419
1420/*
1421* qla2x00_configure_hba
1422* Setup adapter context.
1423*
1424* Input:
1425* ha = adapter state pointer.
1426*
1427* Returns:
1428* 0 = success
1429*
1430* Context:
1431* Kernel context.
1432*/
1433static int
e315cd28 1434qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1435{
1436 int rval;
1437 uint16_t loop_id;
1438 uint16_t topo;
2c3dfe3f 1439 uint16_t sw_cap;
1da177e4
LT		 1440 uint8_t al_pa;
1441 uint8_t area;
1442 uint8_t domain;
1443 char connect_type[22];
e315cd28 1444 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1445
1446 /* Get host addresses. */
e315cd28 1447 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1448 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1449 if (rval != QLA_SUCCESS) {
e315cd28 1450 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1451 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1452 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1453 __func__, vha->host_no));
33135aa2
RA		 1454 } else {
1455 qla_printk(KERN_WARNING, ha,
1456 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1457 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1458 }
1da177e4
LT		 1459 return (rval);
1460 }
1461
1462 if (topo == 4) {
1463 qla_printk(KERN_INFO, ha,
1464 "Cannot get topology - retrying.\n");
1465 return (QLA_FUNCTION_FAILED);
1466 }
1467
e315cd28 1468 vha->loop_id = loop_id;
1da177e4
LT		 1469
1470 /* initialize */
1471 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1472 ha->operating_mode = LOOP;
2c3dfe3f 1473 ha->switch_cap = 0;
1da177e4
LT		 1474
1475 switch (topo) {
1476 case 0:
1477 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1478 vha->host_no));
1da177e4
LT		 1479 ha->current_topology = ISP_CFG_NL;
1480 strcpy(connect_type, "(Loop)");
1481 break;
1482
1483 case 1:
1484 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1485 vha->host_no));
2c3dfe3f 1486 ha->switch_cap = sw_cap;
1da177e4
LT		 1487 ha->current_topology = ISP_CFG_FL;
1488 strcpy(connect_type, "(FL_Port)");
1489 break;
1490
1491 case 2:
1492 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1493 vha->host_no));
1da177e4
LT		 1494 ha->operating_mode = P2P;
1495 ha->current_topology = ISP_CFG_N;
1496 strcpy(connect_type, "(N_Port-to-N_Port)");
1497 break;
1498
1499 case 3:
1500 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1501 vha->host_no));
2c3dfe3f 1502 ha->switch_cap = sw_cap;
1da177e4
LT		 1503 ha->operating_mode = P2P;
1504 ha->current_topology = ISP_CFG_F;
1505 strcpy(connect_type, "(F_Port)");
1506 break;
1507
1508 default:
1509 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1510 "Using NL.\n",
e315cd28 1511 vha->host_no, topo));
1da177e4
LT		 1512 ha->current_topology = ISP_CFG_NL;
1513 strcpy(connect_type, "(Loop)");
1514 break;
1515 }
1516
1517 /* Save Host port and loop ID. */
1518 /* byte order - Big Endian */
e315cd28
AC		 1519 vha->d_id.b.domain = domain;
1520 vha->d_id.b.area = area;
1521 vha->d_id.b.al_pa = al_pa;
1da177e4 1522
e315cd28 1523 if (!vha->flags.init_done)
1da177e4
LT		 1524 qla_printk(KERN_INFO, ha,
1525 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1526 connect_type, vha->loop_id);
1da177e4
LT		 1527
1528 if (rval) {
e315cd28 1529 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1530 } else {
e315cd28 1531 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1532 }
1533
1534 return(rval);
1535}
1536
9bb9fcf2 1537static inline void
e315cd28
AC		 1538qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1539 char *def)
9bb9fcf2
AV		 1540{
1541 char *st, *en;
1542 uint16_t index;
e315cd28 1543 struct qla_hw_data *ha = vha->hw;
1b91a2e6 1544 int use_tbl = !IS_QLA25XX(ha) && !IS_QLA81XX(ha);
9bb9fcf2
AV		 1545
1546 if (memcmp(model, BINZERO, len) != 0) {
1547 strncpy(ha->model_number, model, len);
1548 st = en = ha->model_number;
1549 en += len - 1;
1550 while (en > st) {
1551 if (*en != 0x20 && *en != 0x00)
1552 break;
1553 *en-- = '\0';
1554 }
1555
1556 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1557 if (use_tbl &&
1558 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 1559 index < QLA_MODEL_NAMES)
1ee27146
JC		 1560 strncpy(ha->model_desc,
1561 qla2x00_model_name[index * 2 + 1],
1562 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1563 } else {
1564 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1565 if (use_tbl &&
1566 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 1567 index < QLA_MODEL_NAMES) {
1568 strcpy(ha->model_number,
1569 qla2x00_model_name[index * 2]);
1ee27146
JC		 1570 strncpy(ha->model_desc,
1571 qla2x00_model_name[index * 2 + 1],
1572 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1573 } else {
1574 strcpy(ha->model_number, def);
1575 }
1576 }
1ee27146 1577 if (IS_FWI2_CAPABLE(ha))
e315cd28 1578 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1579 sizeof(ha->model_desc));
9bb9fcf2
AV		 1580}
1581
4e08df3f
DM		 1582/* On sparc systems, obtain port and node WWN from firmware
1583 * properties.
1584 */
e315cd28 1585static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1586{
1587#ifdef CONFIG_SPARC
e315cd28 1588 struct qla_hw_data *ha = vha->hw;
4e08df3f 1589 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1590 struct device_node *dp = pci_device_to_OF_node(pdev);
1591 const u8 *val;
4e08df3f
DM		 1592 int len;
1593
1594 val = of_get_property(dp, "port-wwn", &len);
1595 if (val && len >= WWN_SIZE)
1596 memcpy(nv->port_name, val, WWN_SIZE);
1597
1598 val = of_get_property(dp, "node-wwn", &len);
1599 if (val && len >= WWN_SIZE)
1600 memcpy(nv->node_name, val, WWN_SIZE);
1601#endif
1602}
1603
1da177e4
LT		 1604/*
1605* NVRAM configuration for ISP 2xxx
1606*
1607* Input:
1608* ha = adapter block pointer.
1609*
1610* Output:
1611* initialization control block in response_ring
1612* host adapters parameters in host adapter block
1613*
1614* Returns:
1615* 0 = success.
1616*/
abbd8870 1617int
e315cd28 1618qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1619{
4e08df3f 1620 int rval;
0107109e
AV		 1621 uint8_t chksum = 0;
1622 uint16_t cnt;
1623 uint8_t *dptr1, *dptr2;
e315cd28 1624 struct qla_hw_data *ha = vha->hw;
0107109e 1625 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1626 nvram_t *nv = ha->nvram;
1627 uint8_t *ptr = ha->nvram;
3d71644c 1628 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1629
4e08df3f
DM		 1630 rval = QLA_SUCCESS;
1631
1da177e4 1632 /* Determine NVRAM starting address. */
0107109e 1633 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1634 ha->nvram_base = 0;
1635 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1636 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1637 ha->nvram_base = 0x80;
1638
1639 /* Get NVRAM data and calculate checksum. */
e315cd28 1640 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1641 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1642 chksum += *ptr++;
1da177e4 1643
e315cd28 1644 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1645 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1646
1647 /* Bad NVRAM data, set defaults parameters. */
1648 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1649 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1650 /* Reset NVRAM data. */
1651 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1652 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1653 nv->nvram_version);
4e08df3f
DM		 1654 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1655 "invalid -- WWPN) defaults.\n");
1656
1657 /*
1658 * Set default initialization control block.
1659 */
1660 memset(nv, 0, ha->nvram_size);
1661 nv->parameter_block_version = ICB_VERSION;
1662
1663 if (IS_QLA23XX(ha)) {
1664 nv->firmware_options[0] = BIT_2 | BIT_1;
1665 nv->firmware_options[1] = BIT_7 | BIT_5;
1666 nv->add_firmware_options[0] = BIT_5;
1667 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1668 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1669 nv->special_options[1] = BIT_7;
1670 } else if (IS_QLA2200(ha)) {
1671 nv->firmware_options[0] = BIT_2 | BIT_1;
1672 nv->firmware_options[1] = BIT_7 | BIT_5;
1673 nv->add_firmware_options[0] = BIT_5;
1674 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1675 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1676 } else if (IS_QLA2100(ha)) {
1677 nv->firmware_options[0] = BIT_3 | BIT_1;
1678 nv->firmware_options[1] = BIT_5;
1679 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1680 }
1681
1682 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1683 nv->execution_throttle = __constant_cpu_to_le16(16);
1684 nv->retry_count = 8;
1685 nv->retry_delay = 1;
1686
1687 nv->port_name[0] = 33;
1688 nv->port_name[3] = 224;
1689 nv->port_name[4] = 139;
1690
e315cd28 1691 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1692
1693 nv->login_timeout = 4;
1694
1695 /*
1696 * Set default host adapter parameters
1697 */
1698 nv->host_p[1] = BIT_2;
1699 nv->reset_delay = 5;
1700 nv->port_down_retry_count = 8;
1701 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1702 nv->link_down_timeout = 60;
1703
1704 rval = 1;
1da177e4
LT		 1705 }
1706
1707#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1708 /*
1709 * The SN2 does not provide BIOS emulation which means you can't change
1710 * potentially bogus BIOS settings. Force the use of default settings
1711 * for link rate and frame size. Hope that the rest of the settings
1712 * are valid.
1713 */
1714 if (ia64_platform_is("sn2")) {
1715 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1716 if (IS_QLA23XX(ha))
1717 nv->special_options[1] = BIT_7;
1718 }
1719#endif
1720
1721 /* Reset Initialization control block */
0107109e 1722 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1723
1724 /*
1725 * Setup driver NVRAM options.
1726 */
1727 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1728 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1729 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1730 nv->firmware_options[1] &= ~BIT_4;
1731
1732 if (IS_QLA23XX(ha)) {
1733 nv->firmware_options[0] |= BIT_2;
1734 nv->firmware_options[0] &= ~BIT_3;
0107109e 1735 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1736
1737 if (IS_QLA2300(ha)) {
1738 if (ha->fb_rev == FPM_2310) {
1739 strcpy(ha->model_number, "QLA2310");
1740 } else {
1741 strcpy(ha->model_number, "QLA2300");
1742 }
1743 } else {
e315cd28 1744 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1745 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1746 }
1747 } else if (IS_QLA2200(ha)) {
1748 nv->firmware_options[0] |= BIT_2;
1749 /*
1750 * 'Point-to-point preferred, else loop' is not a safe
1751 * connection mode setting.
1752 */
1753 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1754 (BIT_5 | BIT_4)) {
1755 /* Force 'loop preferred, else point-to-point'. */
1756 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1757 nv->add_firmware_options[0] |= BIT_5;
1758 }
1759 strcpy(ha->model_number, "QLA22xx");
1760 } else /*if (IS_QLA2100(ha))*/ {
1761 strcpy(ha->model_number, "QLA2100");
1762 }
1763
1764 /*
1765 * Copy over NVRAM RISC parameter block to initialization control block.
1766 */
1767 dptr1 = (uint8_t *)icb;
1768 dptr2 = (uint8_t *)&nv->parameter_block_version;
1769 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1770 while (cnt--)
1771 *dptr1++ = *dptr2++;
1772
1773 /* Copy 2nd half. */
1774 dptr1 = (uint8_t *)icb->add_firmware_options;
1775 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1776 while (cnt--)
1777 *dptr1++ = *dptr2++;
1778
5341e868
AV		 1779 /* Use alternate WWN? */
1780 if (nv->host_p[1] & BIT_7) {
1781 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1782 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1783 }
1784
1da177e4
LT		 1785 /* Prepare nodename */
1786 if ((icb->firmware_options[1] & BIT_6) == 0) {
1787 /*
1788 * Firmware will apply the following mask if the nodename was
1789 * not provided.
1790 */
1791 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1792 icb->node_name[0] &= 0xF0;
1793 }
1794
1795 /*
1796 * Set host adapter parameters.
1797 */
0181944f 1798 if (nv->host_p[0] & BIT_7)
11010fec 1799 ql2xextended_error_logging = 1;
1da177e4
LT		 1800 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1801 /* Always load RISC code on non ISP2[12]00 chips. */
1802 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1803 ha->flags.disable_risc_code_load = 0;
1804 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1805 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1806 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1807 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1808 ha->flags.disable_serdes = 0;
1da177e4
LT		 1809
1810 ha->operating_mode =
1811 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1812
1813 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1814 sizeof(ha->fw_seriallink_options));
1815
1816 /* save HBA serial number */
1817 ha->serial0 = icb->port_name[5];
1818 ha->serial1 = icb->port_name[6];
1819 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1820 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1821 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1822
1823 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1824
1825 ha->retry_count = nv->retry_count;
1826
1827 /* Set minimum login_timeout to 4 seconds. */
1828 if (nv->login_timeout < ql2xlogintimeout)
1829 nv->login_timeout = ql2xlogintimeout;
1830 if (nv->login_timeout < 4)
1831 nv->login_timeout = 4;
1832 ha->login_timeout = nv->login_timeout;
1833 icb->login_timeout = nv->login_timeout;
1834
00a537b8
AV		 1835 /* Set minimum RATOV to 100 tenths of a second. */
1836 ha->r_a_tov = 100;
1da177e4 1837
1da177e4
LT		 1838 ha->loop_reset_delay = nv->reset_delay;
1839
1da177e4
LT		 1840 /* Link Down Timeout = 0:
1841 *
1842 * When Port Down timer expires we will start returning
1843 * I/O's to OS with "DID_NO_CONNECT".
1844 *
1845 * Link Down Timeout != 0:
1846 *
1847 * The driver waits for the link to come up after link down
1848 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1849 */
1da177e4
LT		 1850 if (nv->link_down_timeout == 0) {
1851 ha->loop_down_abort_time =
354d6b21 1852 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1853 } else {
1854 ha->link_down_timeout = nv->link_down_timeout;
1855 ha->loop_down_abort_time =
1856 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1857 }
1da177e4 1858
1da177e4
LT		 1859 /*
1860 * Need enough time to try and get the port back.
1861 */
1862 ha->port_down_retry_count = nv->port_down_retry_count;
1863 if (qlport_down_retry)
1864 ha->port_down_retry_count = qlport_down_retry;
1865 /* Set login_retry_count */
1866 ha->login_retry_count = nv->retry_count;
1867 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1868 ha->port_down_retry_count > 3)
1869 ha->login_retry_count = ha->port_down_retry_count;
1870 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1871 ha->login_retry_count = ha->port_down_retry_count;
1872 if (ql2xloginretrycount)
1873 ha->login_retry_count = ql2xloginretrycount;
1874
1da177e4
LT		 1875 icb->lun_enables = __constant_cpu_to_le16(0);
1876 icb->command_resource_count = 0;
1877 icb->immediate_notify_resource_count = 0;
1878 icb->timeout = __constant_cpu_to_le16(0);
1879
1880 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1881 /* Enable RIO */
1882 icb->firmware_options[0] &= ~BIT_3;
1883 icb->add_firmware_options[0] &=
1884 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1885 icb->add_firmware_options[0] |= BIT_2;
1886 icb->response_accumulation_timer = 3;
1887 icb->interrupt_delay_timer = 5;
1888
e315cd28 1889 vha->flags.process_response_queue = 1;
1da177e4 1890 } else {
4fdfefe5 1891 /* Enable ZIO. */
e315cd28 1892 if (!vha->flags.init_done) {
4fdfefe5
AV		 1893 ha->zio_mode = icb->add_firmware_options[0] &
1894 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1895 ha->zio_timer = icb->interrupt_delay_timer ?
1896 icb->interrupt_delay_timer: 2;
1897 }
1da177e4
LT		 1898 icb->add_firmware_options[0] &=
1899 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1900 vha->flags.process_response_queue = 0;
4fdfefe5 1901 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1902 ha->zio_mode = QLA_ZIO_MODE_6;
1903
4fdfefe5 1904 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1905 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1906 ha->zio_timer * 100));
1da177e4 1907 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1908 "ZIO mode %d enabled; timer delay (%d us).\n",
1909 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1910
4fdfefe5
AV		 1911 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1912 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1913 vha->flags.process_response_queue = 1;
1da177e4
LT		 1914 }
1915 }
1916
4e08df3f
DM		 1917 if (rval) {
1918 DEBUG2_3(printk(KERN_WARNING
e315cd28 1919 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1920 }
1921 return (rval);
1da177e4
LT		 1922}
1923
19a7b4ae
JSEC		 1924static void
1925qla2x00_rport_del(void *data)
1926{
1927 fc_port_t *fcport = data;
d97994dc 1928 struct fc_rport *rport;
d97994dc 1929
e315cd28 1930 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1931 rport = fcport->drport;
1932 fcport->drport = NULL;
e315cd28 1933 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1934 if (rport)
1935 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1936}
1937
1da177e4
LT		 1938/**
1939 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1940 * @ha: HA context
1941 * @flags: allocation flags
1942 *
1943 * Returns a pointer to the allocated fcport, or NULL, if none available.
1944 */
413975a0 1945static fc_port_t *
e315cd28 1946qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1947{
1948 fc_port_t *fcport;
1949
bbfbbbc1
MK		 1950 fcport = kzalloc(sizeof(fc_port_t), flags);
1951 if (!fcport)
1952 return NULL;
1da177e4
LT		 1953
1954 /* Setup fcport template structure. */
e315cd28
AC		 1955 fcport->vha = vha;
1956 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 1957 fcport->port_type = FCT_UNKNOWN;
1958 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 1959 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 1960 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1961
bbfbbbc1 1962 return fcport;
1da177e4
LT		 1963}
1964
1965/*
1966 * qla2x00_configure_loop
1967 * Updates Fibre Channel Device Database with what is actually on loop.
1968 *
1969 * Input:
1970 * ha = adapter block pointer.
1971 *
1972 * Returns:
1973 * 0 = success.
1974 * 1 = error.
1975 * 2 = database was full and device was not configured.
1976 */
1977static int
e315cd28 1978qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 1979{
1980 int rval;
1981 unsigned long flags, save_flags;
e315cd28 1982 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1983 rval = QLA_SUCCESS;
1984
1985 /* Get Initiator ID */
e315cd28
AC		 1986 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
1987 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 1988 if (rval != QLA_SUCCESS) {
1989 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 1990 vha->host_no));
1da177e4
LT		 1991 return (rval);
1992 }
1993 }
1994
e315cd28 1995 save_flags = flags = vha->dpc_flags;
1da177e4 1996 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 1997 vha->host_no, flags));
1da177e4
LT		 1998
1999 /*
2000 * If we have both an RSCN and PORT UPDATE pending then handle them
2001 * both at the same time.
2002 */
e315cd28
AC		 2003 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2004 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2005
2006 /* Determine what we need to do */
2007 if (ha->current_topology == ISP_CFG_FL &&
2008 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2009
e315cd28 2010 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2011 set_bit(RSCN_UPDATE, &flags);
2012
2013 } else if (ha->current_topology == ISP_CFG_F &&
2014 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2015
e315cd28 2016 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2017 set_bit(RSCN_UPDATE, &flags);
2018 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2019
2020 } else if (ha->current_topology == ISP_CFG_N) {
2021 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2022
e315cd28 2023 } else if (!vha->flags.online ||
1da177e4
LT		 2024 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2025
e315cd28 2026 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2027 set_bit(RSCN_UPDATE, &flags);
2028 set_bit(LOCAL_LOOP_UPDATE, &flags);
2029 }
2030
2031 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2032 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2033 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2034 else
2035 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2036 }
2037
2038 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2039 if (LOOP_TRANSITION(vha))
1da177e4 2040 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2041 else
2042 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2043 }
2044
2045 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2046 if (atomic_read(&vha->loop_down_timer) ||
2047 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2048 rval = QLA_FUNCTION_FAILED;
2049 } else {
e315cd28 2050 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2051
e315cd28 2052 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2053 }
2054 }
2055
2056 if (rval) {
2057 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2058 __func__, vha->host_no));
1da177e4
LT		 2059 } else {
2060 DEBUG3(printk("%s: exiting normally\n", __func__));
2061 }
2062
cc3ef7bc 2063 /* Restore state if a resync event occurred during processing */
e315cd28 2064 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2065 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2066 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2067 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2068 set_bit(RSCN_UPDATE, &vha->dpc_flags);
f4658b6c
AV		 2069 vha->flags.rscn_queue_overflow = 1;
2070 }
1da177e4
LT		 2071 }
2072
2073 return (rval);
2074}
2075
2076
2077
2078/*
2079 * qla2x00_configure_local_loop
2080 * Updates Fibre Channel Device Database with local loop devices.
2081 *
2082 * Input:
2083 * ha = adapter block pointer.
2084 *
2085 * Returns:
2086 * 0 = success.
2087 */
2088static int
e315cd28 2089qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2090{
2091 int rval, rval2;
2092 int found_devs;
2093 int found;
2094 fc_port_t *fcport, *new_fcport;
2095
2096 uint16_t index;
2097 uint16_t entries;
2098 char *id_iter;
2099 uint16_t loop_id;
2100 uint8_t domain, area, al_pa;
e315cd28 2101 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2102
2103 found_devs = 0;
2104 new_fcport = NULL;
2105 entries = MAX_FIBRE_DEVICES;
2106
e315cd28
AC		 2107 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2108 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2109
2110 /* Get list of logged in devices. */
2111 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2112 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2113 &entries);
2114 if (rval != QLA_SUCCESS)
2115 goto cleanup_allocation;
2116
2117 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2118 vha->host_no, entries));
1da177e4
LT		 2119 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2120 entries * sizeof(struct gid_list_info)));
2121
2122 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2123 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2124 if (new_fcport == NULL) {
2125 rval = QLA_MEMORY_ALLOC_FAILED;
2126 goto cleanup_allocation;
2127 }
2128 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2129
2130 /*
2131 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2132 */
e315cd28 2133 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2134 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2135 fcport->port_type != FCT_BROADCAST &&
2136 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2137
2138 DEBUG(printk("scsi(%ld): Marking port lost, "
2139 "loop_id=0x%04x\n",
e315cd28 2140 vha->host_no, fcport->loop_id));
1da177e4
LT		 2141
2142 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2143 }
2144 }
2145
2146 /* Add devices to port list. */
2147 id_iter = (char *)ha->gid_list;
2148 for (index = 0; index < entries; index++) {
2149 domain = ((struct gid_list_info *)id_iter)->domain;
2150 area = ((struct gid_list_info *)id_iter)->area;
2151 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2152 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2153 loop_id = (uint16_t)
2154 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2155 else
1da177e4
LT		 2156 loop_id = le16_to_cpu(
2157 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2158 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2159
2160 /* Bypass reserved domain fields. */
2161 if ((domain & 0xf0) == 0xf0)
2162 continue;
2163
2164 /* Bypass if not same domain and area of adapter. */
f7d289f6 2165 if (area && domain &&
e315cd28 2166 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2167 continue;
2168
2169 /* Bypass invalid local loop ID. */
2170 if (loop_id > LAST_LOCAL_LOOP_ID)
2171 continue;
2172
2173 /* Fill in member data. */
2174 new_fcport->d_id.b.domain = domain;
2175 new_fcport->d_id.b.area = area;
2176 new_fcport->d_id.b.al_pa = al_pa;
2177 new_fcport->loop_id = loop_id;
e315cd28
AC		 2178 new_fcport->vp_idx = vha->vp_idx;
2179 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2180 if (rval2 != QLA_SUCCESS) {
2181 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2182 "information -- get_port_database=%x, "
2183 "loop_id=0x%04x\n",
e315cd28 2184 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2185 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2186 vha->host_no));
2187 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2188 continue;
2189 }
2190
2191 /* Check for matching device in port list. */
2192 found = 0;
2193 fcport = NULL;
e315cd28 2194 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2195 if (memcmp(new_fcport->port_name, fcport->port_name,
2196 WWN_SIZE))
2197 continue;
2198
ddb9b126 2199 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2200 fcport->loop_id = new_fcport->loop_id;
2201 fcport->port_type = new_fcport->port_type;
2202 fcport->d_id.b24 = new_fcport->d_id.b24;
2203 memcpy(fcport->node_name, new_fcport->node_name,
2204 WWN_SIZE);
2205
2206 found++;
2207 break;
2208 }
2209
2210 if (!found) {
2211 /* New device, add to fcports list. */
e315cd28
AC		 2212 if (vha->vp_idx) {
2213 new_fcport->vha = vha;
2214 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2215 }
e315cd28 2216 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2217
2218 /* Allocate a new replacement fcport. */
2219 fcport = new_fcport;
e315cd28 2220 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2221 if (new_fcport == NULL) {
2222 rval = QLA_MEMORY_ALLOC_FAILED;
2223 goto cleanup_allocation;
2224 }
2225 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2226 }
2227
d8b45213 2228 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2229 fcport->fp_speed = ha->link_data_rate;
d8b45213 2230
e315cd28 2231 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2232
2233 found_devs++;
2234 }
2235
2236cleanup_allocation:
c9475cb0 2237 kfree(new_fcport);
1da177e4
LT		 2238
2239 if (rval != QLA_SUCCESS) {
2240 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2241 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2242 }
2243
1da177e4
LT		 2244 return (rval);
2245}
2246
d8b45213 2247static void
e315cd28 2248qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2249{
2250#define LS_UNKNOWN 2
a3cbdfad 2251 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2252 int rval;
a3cbdfad 2253 uint16_t mb[6];
e315cd28 2254 struct qla_hw_data *ha = vha->hw;
d8b45213 2255
c76f2c01 2256 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2257 return;
2258
39bd9622
AV		 2259 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2260 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2261 return;
2262
e315cd28 2263 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2264 mb);
d8b45213
AV		 2265 if (rval != QLA_SUCCESS) {
2266 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2267 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2268 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2269 fcport->port_name[2], fcport->port_name[3],
2270 fcport->port_name[4], fcport->port_name[5],
2271 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2272 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2273 } else {
2274 DEBUG2(qla_printk(KERN_INFO, ha,
2275 "iIDMA adjusted to %s GB/s on "
2276 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2277 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2278 fcport->port_name[1], fcport->port_name[2],
2279 fcport->port_name[3], fcport->port_name[4],
2280 fcport->port_name[5], fcport->port_name[6],
2281 fcport->port_name[7]));
2282 }
2283}
2284
23be331d 2285static void
e315cd28 2286qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118
AV		 2287{
2288 struct fc_rport_identifiers rport_ids;
bdf79621 2289 struct fc_rport *rport;
e315cd28 2290 struct qla_hw_data *ha = vha->hw;
8482e118 2291
d97994dc
AV		 2292 if (fcport->drport)
2293 qla2x00_rport_del(fcport);
8482e118 2294
f8b02a85
AV		 2295 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2296 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2297 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2298 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2299 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2300 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2301 if (!rport) {
2302 qla_printk(KERN_WARNING, ha,
2303 "Unable to allocate fc remote port!\n");
2304 return;
2305 }
e315cd28 2306 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2307 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2308 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2309
ad3e0eda 2310 rport->supported_classes = fcport->supported_classes;
77d74143 2311
8482e118
AV		 2312 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2313 if (fcport->port_type == FCT_INITIATOR)
2314 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2315 if (fcport->port_type == FCT_TARGET)
2316 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2317 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2318}
2319
23be331d
AB		 2320/*
2321 * qla2x00_update_fcport
2322 * Updates device on list.
2323 *
2324 * Input:
2325 * ha = adapter block pointer.
2326 * fcport = port structure pointer.
2327 *
2328 * Return:
2329 * 0 - Success
2330 * BIT_0 - error
2331 *
2332 * Context:
2333 * Kernel context.
2334 */
2335void
e315cd28 2336qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2337{
e315cd28 2338 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2339
e315cd28 2340 fcport->vha = vha;
23be331d 2341 fcport->login_retry = 0;
e315cd28 2342 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2343 PORT_RETRY_TIME;
e315cd28 2344 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2345 PORT_RETRY_TIME);
2346 fcport->flags &= ~FCF_LOGIN_NEEDED;
2347
e315cd28 2348 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2349
2350 atomic_set(&fcport->state, FCS_ONLINE);
2351
e315cd28 2352 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2353}
2354
1da177e4
LT		 2355/*
2356 * qla2x00_configure_fabric
2357 * Setup SNS devices with loop ID's.
2358 *
2359 * Input:
2360 * ha = adapter block pointer.
2361 *
2362 * Returns:
2363 * 0 = success.
2364 * BIT_0 = error
2365 */
2366static int
e315cd28 2367qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2368{
2369 int rval, rval2;
2370 fc_port_t *fcport, *fcptemp;
2371 uint16_t next_loopid;
2372 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2373 uint16_t loop_id;
1da177e4 2374 LIST_HEAD(new_fcports);
e315cd28
AC		 2375 struct qla_hw_data *ha = vha->hw;
2376 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2377
2378 /* If FL port exists, then SNS is present */
e428924c 2379 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2380 loop_id = NPH_F_PORT;
2381 else
2382 loop_id = SNS_FL_PORT;
e315cd28 2383 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2384 if (rval != QLA_SUCCESS) {
2385 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2386 "Port\n", vha->host_no));
1da177e4 2387
e315cd28 2388 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2389 return (QLA_SUCCESS);
2390 }
e315cd28 2391 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2392
2393 /* Mark devices that need re-synchronization. */
e315cd28 2394 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2395 if (rval2 == QLA_RSCNS_HANDLED) {
2396 /* No point doing the scan, just continue. */
2397 return (QLA_SUCCESS);
2398 }
2399 do {
cca5335c
AV		 2400 /* FDMI support. */
2401 if (ql2xfdmienable &&
e315cd28
AC		 2402 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2403 qla2x00_fdmi_register(vha);
cca5335c 2404
1da177e4 2405 /* Ensure we are logged into the SNS. */
e428924c 2406 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2407 loop_id = NPH_SNS;
2408 else
2409 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2410 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2411 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2412 if (mb[0] != MBS_COMMAND_COMPLETE) {
2413 DEBUG2(qla_printk(KERN_INFO, ha,
2414 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2415 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2416 mb[0], mb[1], mb[2], mb[6], mb[7]));
2417 return (QLA_SUCCESS);
2418 }
2419
e315cd28
AC		 2420 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2421 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2422 /* EMPTY */
2423 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2424 "TYPE failed.\n", vha->host_no));
1da177e4 2425 }
e315cd28 2426 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2427 /* EMPTY */
2428 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2429 "Features failed.\n", vha->host_no));
1da177e4 2430 }
e315cd28 2431 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2432 /* EMPTY */
2433 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2434 "failed.\n", vha->host_no));
2435 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2436 /* EMPTY */
2437 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2438 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2439 }
2440 }
2441
e315cd28 2442 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2443 if (rval != QLA_SUCCESS)
2444 break;
2445
2446 /*
2447 * Logout all previous fabric devices marked lost, except
2448 * tape devices.
2449 */
e315cd28
AC		 2450 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2451 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2452 break;
2453
2454 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2455 continue;
2456
2457 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2458 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2459 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2460 if (fcport->loop_id != FC_NO_LOOP_ID &&
2461 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2462 fcport->port_type != FCT_INITIATOR &&
2463 fcport->port_type != FCT_BROADCAST) {
e315cd28 2464 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2465 fcport->loop_id,
2466 fcport->d_id.b.domain,
2467 fcport->d_id.b.area,
2468 fcport->d_id.b.al_pa);
1da177e4
LT		 2469 fcport->loop_id = FC_NO_LOOP_ID;
2470 }
2471 }
2472 }
2473
2474 /* Starting free loop ID. */
e315cd28 2475 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2476
2477 /*
2478 * Scan through our port list and login entries that need to be
2479 * logged in.
2480 */
e315cd28
AC		 2481 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2482 if (atomic_read(&vha->loop_down_timer) ||
2483 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2484 break;
2485
2486 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2487 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2488 continue;
2489
2490 if (fcport->loop_id == FC_NO_LOOP_ID) {
2491 fcport->loop_id = next_loopid;
d4486fd6 2492 rval = qla2x00_find_new_loop_id(
e315cd28 2493 base_vha, fcport);
1da177e4
LT		 2494 if (rval != QLA_SUCCESS) {
2495 /* Ran out of IDs to use */
2496 break;
2497 }
2498 }
1da177e4 2499 /* Login and update database */
e315cd28 2500 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2501 }
2502
2503 /* Exit if out of loop IDs. */
2504 if (rval != QLA_SUCCESS) {
2505 break;
2506 }
2507
2508 /*
2509 * Login and add the new devices to our port list.
2510 */
2511 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2512 if (atomic_read(&vha->loop_down_timer) ||
2513 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2514 break;
2515
2516 /* Find a new loop ID to use. */
2517 fcport->loop_id = next_loopid;
e315cd28 2518 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2519 if (rval != QLA_SUCCESS) {
2520 /* Ran out of IDs to use */
2521 break;
2522 }
2523
bdf79621 2524 /* Login and update database */
e315cd28
AC		 2525 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2526
2527 if (vha->vp_idx) {
2528 fcport->vha = vha;
2529 fcport->vp_idx = vha->vp_idx;
2530 }
2531 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2532 }
2533 } while (0);
2534
2535 /* Free all new device structures not processed. */
2536 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2537 list_del(&fcport->list);
2538 kfree(fcport);
2539 }
2540
2541 if (rval) {
2542 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2543 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2544 }
2545
2546 return (rval);
2547}
2548
2549
2550/*
2551 * qla2x00_find_all_fabric_devs
2552 *
2553 * Input:
2554 * ha = adapter block pointer.
2555 * dev = database device entry pointer.
2556 *
2557 * Returns:
2558 * 0 = success.
2559 *
2560 * Context:
2561 * Kernel context.
2562 */
2563static int
e315cd28
AC		 2564qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2565 struct list_head *new_fcports)
1da177e4
LT		 2566{
2567 int rval;
2568 uint16_t loop_id;
2569 fc_port_t *fcport, *new_fcport, *fcptemp;
2570 int found;
2571
2572 sw_info_t *swl;
2573 int swl_idx;
2574 int first_dev, last_dev;
2575 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2576 struct qla_hw_data *ha = vha->hw;
2577 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2578 struct scsi_qla_host *tvp;
1da177e4
LT		 2579
2580 rval = QLA_SUCCESS;
2581
2582 /* Try GID_PT to get device list, else GAN. */
4b89258c 2583 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2584 if (!swl) {
1da177e4
LT		 2585 /*EMPTY*/
2586 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2587 "on GA_NXT\n", vha->host_no));
1da177e4 2588 } else {
e315cd28 2589 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2590 kfree(swl);
2591 swl = NULL;
e315cd28 2592 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2593 kfree(swl);
2594 swl = NULL;
e315cd28 2595 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2596 kfree(swl);
2597 swl = NULL;
e5896bd5 2598 } else if (ql2xiidmaenable &&
e315cd28
AC		 2599 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2600 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2601 }
2602 }
2603 swl_idx = 0;
2604
2605 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2606 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2607 if (new_fcport == NULL) {
c9475cb0 2608 kfree(swl);
1da177e4
LT		 2609 return (QLA_MEMORY_ALLOC_FAILED);
2610 }
2611 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2612 /* Set start port ID scan at adapter ID. */
2613 first_dev = 1;
2614 last_dev = 0;
2615
2616 /* Starting free loop ID. */
e315cd28
AC		 2617 loop_id = ha->min_external_loopid;
2618 for (; loop_id <= ha->max_loop_id; loop_id++) {
2619 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2620 continue;
2621
e315cd28 2622 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2623 break;
2624
2625 if (swl != NULL) {
2626 if (last_dev) {
2627 wrap.b24 = new_fcport->d_id.b24;
2628 } else {
2629 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2630 memcpy(new_fcport->node_name,
2631 swl[swl_idx].node_name, WWN_SIZE);
2632 memcpy(new_fcport->port_name,
2633 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2634 memcpy(new_fcport->fabric_port_name,
2635 swl[swl_idx].fabric_port_name, WWN_SIZE);
2636 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2637
2638 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2639 last_dev = 1;
2640 }
2641 swl_idx++;
2642 }
2643 } else {
2644 /* Send GA_NXT to the switch */
e315cd28 2645 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2646 if (rval != QLA_SUCCESS) {
2647 qla_printk(KERN_WARNING, ha,
2648 "SNS scan failed -- assuming zero-entry "
2649 "result...\n");
2650 list_for_each_entry_safe(fcport, fcptemp,
2651 new_fcports, list) {
2652 list_del(&fcport->list);
2653 kfree(fcport);
2654 }
2655 rval = QLA_SUCCESS;
2656 break;
2657 }
2658 }
2659
2660 /* If wrap on switch device list, exit. */
2661 if (first_dev) {
2662 wrap.b24 = new_fcport->d_id.b24;
2663 first_dev = 0;
2664 } else if (new_fcport->d_id.b24 == wrap.b24) {
2665 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2666 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2667 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2668 break;
2669 }
2670
2c3dfe3f 2671 /* Bypass if same physical adapter. */
e315cd28 2672 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2673 continue;
2674
2c3dfe3f 2675 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2676 found = 0;
2677 if (ha->num_vhosts) {
ee546b6e 2678 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2679 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2680 found = 1;
2c3dfe3f 2681 break;
e315cd28 2682 }
2c3dfe3f 2683 }
e315cd28 2684 if (found)
2c3dfe3f
SJ		 2685 continue;
2686 }
2687
f7d289f6
AV		 2688 /* Bypass if same domain and area of adapter. */
2689 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 2690 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 2691 ISP_CFG_FL)
2692 continue;
2693
1da177e4
LT		 2694 /* Bypass reserved domain fields. */
2695 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2696 continue;
2697
2698 /* Locate matching device in database. */
2699 found = 0;
e315cd28 2700 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2701 if (memcmp(new_fcport->port_name, fcport->port_name,
2702 WWN_SIZE))
2703 continue;
2704
2705 found++;
2706
d8b45213
AV		 2707 /* Update port state. */
2708 memcpy(fcport->fabric_port_name,
2709 new_fcport->fabric_port_name, WWN_SIZE);
2710 fcport->fp_speed = new_fcport->fp_speed;
2711
1da177e4
LT		 2712 /*
2713 * If address the same and state FCS_ONLINE, nothing
2714 * changed.
2715 */
2716 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2717 atomic_read(&fcport->state) == FCS_ONLINE) {
2718 break;
2719 }
2720
2721 /*
2722 * If device was not a fabric device before.
2723 */
2724 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2725 fcport->d_id.b24 = new_fcport->d_id.b24;
2726 fcport->loop_id = FC_NO_LOOP_ID;
2727 fcport->flags |= (FCF_FABRIC_DEVICE |
2728 FCF_LOGIN_NEEDED);
1da177e4
LT		 2729 break;
2730 }
2731
2732 /*
2733 * Port ID changed or device was marked to be updated;
2734 * Log it out if still logged in and mark it for
2735 * relogin later.
2736 */
2737 fcport->d_id.b24 = new_fcport->d_id.b24;
2738 fcport->flags |= FCF_LOGIN_NEEDED;
2739 if (fcport->loop_id != FC_NO_LOOP_ID &&
2740 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2741 fcport->port_type != FCT_INITIATOR &&
2742 fcport->port_type != FCT_BROADCAST) {
e315cd28 2743 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2744 fcport->d_id.b.domain, fcport->d_id.b.area,
2745 fcport->d_id.b.al_pa);
1da177e4
LT		 2746 fcport->loop_id = FC_NO_LOOP_ID;
2747 }
2748
2749 break;
2750 }
2751
2752 if (found)
2753 continue;
1da177e4
LT		 2754 /* If device was not in our fcports list, then add it. */
2755 list_add_tail(&new_fcport->list, new_fcports);
2756
2757 /* Allocate a new replacement fcport. */
2758 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2759 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2760 if (new_fcport == NULL) {
c9475cb0 2761 kfree(swl);
1da177e4
LT		 2762 return (QLA_MEMORY_ALLOC_FAILED);
2763 }
2764 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2765 new_fcport->d_id.b24 = nxt_d_id.b24;
2766 }
2767
c9475cb0
JJ		 2768 kfree(swl);
2769 kfree(new_fcport);
1da177e4 2770
1da177e4
LT		 2771 return (rval);
2772}
2773
2774/*
2775 * qla2x00_find_new_loop_id
2776 * Scan through our port list and find a new usable loop ID.
2777 *
2778 * Input:
2779 * ha: adapter state pointer.
2780 * dev: port structure pointer.
2781 *
2782 * Returns:
2783 * qla2x00 local function return status code.
2784 *
2785 * Context:
2786 * Kernel context.
2787 */
413975a0 2788static int
e315cd28 2789qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2790{
2791 int rval;
2792 int found;
2793 fc_port_t *fcport;
2794 uint16_t first_loop_id;
e315cd28
AC		 2795 struct qla_hw_data *ha = vha->hw;
2796 struct scsi_qla_host *vp;
ee546b6e 2797 struct scsi_qla_host *tvp;
1da177e4
LT		 2798
2799 rval = QLA_SUCCESS;
2800
2801 /* Save starting loop ID. */
2802 first_loop_id = dev->loop_id;
2803
2804 for (;;) {
2805 /* Skip loop ID if already used by adapter. */
e315cd28 2806 if (dev->loop_id == vha->loop_id)
1da177e4 2807 dev->loop_id++;
1da177e4
LT		 2808
2809 /* Skip reserved loop IDs. */
e315cd28 2810 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2811 dev->loop_id++;
1da177e4
LT		 2812
2813 /* Reset loop ID if passed the end. */
e315cd28 2814 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2815 /* first loop ID. */
2816 dev->loop_id = ha->min_external_loopid;
2817 }
2818
2819 /* Check for loop ID being already in use. */
2820 found = 0;
2821 fcport = NULL;
ee546b6e 2822 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2823 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2824 if (fcport->loop_id == dev->loop_id &&
2825 fcport != dev) {
2826 /* ID possibly in use */
2827 found++;
2828 break;
2829 }
1da177e4 2830 }
e315cd28
AC		 2831 if (found)
2832 break;
1da177e4
LT		 2833 }
2834
2835 /* If not in use then it is free to use. */
2836 if (!found) {
2837 break;
2838 }
2839
2840 /* ID in use. Try next value. */
2841 dev->loop_id++;
2842
2843 /* If wrap around. No free ID to use. */
2844 if (dev->loop_id == first_loop_id) {
2845 dev->loop_id = FC_NO_LOOP_ID;
2846 rval = QLA_FUNCTION_FAILED;
2847 break;
2848 }
2849 }
2850
2851 return (rval);
2852}
2853
2854/*
2855 * qla2x00_device_resync
2856 * Marks devices in the database that needs resynchronization.
2857 *
2858 * Input:
2859 * ha = adapter block pointer.
2860 *
2861 * Context:
2862 * Kernel context.
2863 */
2864static int
e315cd28 2865qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2866{
2867 int rval;
1da177e4
LT		 2868 uint32_t mask;
2869 fc_port_t *fcport;
2870 uint32_t rscn_entry;
2871 uint8_t rscn_out_iter;
2872 uint8_t format;
2873 port_id_t d_id;
2874
2875 rval = QLA_RSCNS_HANDLED;
2876
e315cd28
AC		 2877 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2878 vha->flags.rscn_queue_overflow) {
1da177e4 2879
e315cd28 2880 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2881 format = MSB(MSW(rscn_entry));
2882 d_id.b.domain = LSB(MSW(rscn_entry));
2883 d_id.b.area = MSB(LSW(rscn_entry));
2884 d_id.b.al_pa = LSB(LSW(rscn_entry));
2885
2886 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2887 "[%02x/%02x%02x%02x].\n",
e315cd28 2888 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2889 d_id.b.area, d_id.b.al_pa));
2890
e315cd28
AC		 2891 vha->rscn_out_ptr++;
2892 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2893 vha->rscn_out_ptr = 0;
1da177e4
LT		 2894
2895 /* Skip duplicate entries. */
e315cd28
AC		 2896 for (rscn_out_iter = vha->rscn_out_ptr;
2897 !vha->flags.rscn_queue_overflow &&
2898 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2899 rscn_out_iter = (rscn_out_iter ==
2900 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2901
e315cd28 2902 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2903 break;
2904
2905 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2906 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2907 rscn_out_iter));
2908
e315cd28 2909 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2910 }
2911
2912 /* Queue overflow, set switch default case. */
e315cd28 2913 if (vha->flags.rscn_queue_overflow) {
1da177e4 2914 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2915 "overflow.\n", vha->host_no));
1da177e4
LT		 2916
2917 format = 3;
e315cd28 2918 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2919 }
2920
2921 switch (format) {
2922 case 0:
1da177e4
LT		 2923 mask = 0xffffff;
2924 break;
2925 case 1:
2926 mask = 0xffff00;
2927 break;
2928 case 2:
2929 mask = 0xff0000;
2930 break;
2931 default:
2932 mask = 0x0;
2933 d_id.b24 = 0;
e315cd28 2934 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2935 break;
2936 }
2937
2938 rval = QLA_SUCCESS;
2939
e315cd28 2940 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2941 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2942 (fcport->d_id.b24 & mask) != d_id.b24 ||
2943 fcport->port_type == FCT_BROADCAST)
2944 continue;
2945
2946 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2947 if (format != 3 ||
2948 fcport->port_type != FCT_INITIATOR) {
e315cd28 2949 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2950 0, 0);
1da177e4
LT		 2951 }
2952 }
1da177e4
LT		 2953 }
2954 }
2955 return (rval);
2956}
2957
2958/*
2959 * qla2x00_fabric_dev_login
2960 * Login fabric target device and update FC port database.
2961 *
2962 * Input:
2963 * ha: adapter state pointer.
2964 * fcport: port structure list pointer.
2965 * next_loopid: contains value of a new loop ID that can be used
2966 * by the next login attempt.
2967 *
2968 * Returns:
2969 * qla2x00 local function return status code.
2970 *
2971 * Context:
2972 * Kernel context.
2973 */
2974static int
e315cd28 2975qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 2976 uint16_t *next_loopid)
2977{
2978 int rval;
2979 int retry;
0107109e 2980 uint8_t opts;
e315cd28 2981 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2982
2983 rval = QLA_SUCCESS;
2984 retry = 0;
2985
e315cd28 2986 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 2987 if (rval == QLA_SUCCESS) {
0107109e
AV		 2988 /* Send an ADISC to tape devices.*/
2989 opts = 0;
2990 if (fcport->flags & FCF_TAPE_PRESENT)
2991 opts |= BIT_1;
e315cd28 2992 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 2993 if (rval != QLA_SUCCESS) {
e315cd28 2994 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2995 fcport->d_id.b.domain, fcport->d_id.b.area,
2996 fcport->d_id.b.al_pa);
e315cd28 2997 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 2998 } else {
e315cd28 2999 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3000 }
3001 }
3002
3003 return (rval);
3004}
3005
3006/*
3007 * qla2x00_fabric_login
3008 * Issue fabric login command.
3009 *
3010 * Input:
3011 * ha = adapter block pointer.
3012 * device = pointer to FC device type structure.
3013 *
3014 * Returns:
3015 * 0 - Login successfully
3016 * 1 - Login failed
3017 * 2 - Initiator device
3018 * 3 - Fatal error
3019 */
3020int
e315cd28 3021qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3022 uint16_t *next_loopid)
3023{
3024 int rval;
3025 int retry;
3026 uint16_t tmp_loopid;
3027 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3028 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3029
3030 retry = 0;
3031 tmp_loopid = 0;
3032
3033 for (;;) {
3034 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3035 "for port %02x%02x%02x.\n",
e315cd28 3036 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3037 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3038
3039 /* Login fcport on switch. */
e315cd28 3040 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3041 fcport->d_id.b.domain, fcport->d_id.b.area,
3042 fcport->d_id.b.al_pa, mb, BIT_0);
3043 if (mb[0] == MBS_PORT_ID_USED) {
3044 /*
3045 * Device has another loop ID. The firmware team
0107109e
AV		 3046 * recommends the driver perform an implicit login with
3047 * the specified ID again. The ID we just used is save
3048 * here so we return with an ID that can be tried by
3049 * the next login.
1da177e4
LT		 3050 */
3051 retry++;
3052 tmp_loopid = fcport->loop_id;
3053 fcport->loop_id = mb[1];
3054
3055 DEBUG(printk("Fabric Login: port in use - next "
3056 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3057 fcport->loop_id, fcport->d_id.b.domain,
3058 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3059
3060 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3061 /*
3062 * Login succeeded.
3063 */
3064 if (retry) {
3065 /* A retry occurred before. */
3066 *next_loopid = tmp_loopid;
3067 } else {
3068 /*
3069 * No retry occurred before. Just increment the
3070 * ID value for next login.
3071 */
3072 *next_loopid = (fcport->loop_id + 1);
3073 }
3074
3075 if (mb[1] & BIT_0) {
3076 fcport->port_type = FCT_INITIATOR;
3077 } else {
3078 fcport->port_type = FCT_TARGET;
3079 if (mb[1] & BIT_1) {
3080 fcport->flags |= FCF_TAPE_PRESENT;
3081 }
3082 }
3083
ad3e0eda
AV		 3084 if (mb[10] & BIT_0)
3085 fcport->supported_classes |= FC_COS_CLASS2;
3086 if (mb[10] & BIT_1)
3087 fcport->supported_classes |= FC_COS_CLASS3;
3088
1da177e4
LT		 3089 rval = QLA_SUCCESS;
3090 break;
3091 } else if (mb[0] == MBS_LOOP_ID_USED) {
3092 /*
3093 * Loop ID already used, try next loop ID.
3094 */
3095 fcport->loop_id++;
e315cd28 3096 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3097 if (rval != QLA_SUCCESS) {
3098 /* Ran out of loop IDs to use */
3099 break;
3100 }
3101 } else if (mb[0] == MBS_COMMAND_ERROR) {
3102 /*
3103 * Firmware possibly timed out during login. If NO
3104 * retries are left to do then the device is declared
3105 * dead.
3106 */
3107 *next_loopid = fcport->loop_id;
e315cd28 3108 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3109 fcport->d_id.b.domain, fcport->d_id.b.area,
3110 fcport->d_id.b.al_pa);
e315cd28 3111 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3112
3113 rval = 1;
3114 break;
3115 } else {
3116 /*
3117 * unrecoverable / not handled error
3118 */
3119 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3120 "loop_id=%x jiffies=%lx.\n",
e315cd28 3121 __func__, vha->host_no, mb[0],
1da177e4
LT		 3122 fcport->d_id.b.domain, fcport->d_id.b.area,
3123 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3124
3125 *next_loopid = fcport->loop_id;
e315cd28 3126 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3127 fcport->d_id.b.domain, fcport->d_id.b.area,
3128 fcport->d_id.b.al_pa);
1da177e4 3129 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3130 fcport->login_retry = 0;
1da177e4
LT		 3131
3132 rval = 3;
3133 break;
3134 }
3135 }
3136
3137 return (rval);
3138}
3139
3140/*
3141 * qla2x00_local_device_login
3142 * Issue local device login command.
3143 *
3144 * Input:
3145 * ha = adapter block pointer.
3146 * loop_id = loop id of device to login to.
3147 *
3148 * Returns (Where's the #define!!!!):
3149 * 0 - Login successfully
3150 * 1 - Login failed
3151 * 3 - Fatal error
3152 */
3153int
e315cd28 3154qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3155{
3156 int rval;
3157 uint16_t mb[MAILBOX_REGISTER_COUNT];
3158
3159 memset(mb, 0, sizeof(mb));
e315cd28 3160 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3161 if (rval == QLA_SUCCESS) {
3162 /* Interrogate mailbox registers for any errors */
3163 if (mb[0] == MBS_COMMAND_ERROR)
3164 rval = 1;
3165 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3166 /* device not in PCB table */
3167 rval = 3;
3168 }
3169
3170 return (rval);
3171}
3172
3173/*
3174 * qla2x00_loop_resync
3175 * Resync with fibre channel devices.
3176 *
3177 * Input:
3178 * ha = adapter block pointer.
3179 *
3180 * Returns:
3181 * 0 = success
3182 */
3183int
e315cd28 3184qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3185{
73208dfd 3186 int rval = QLA_SUCCESS;
1da177e4 3187 uint32_t wait_time;
67c2e93a
AC		 3188 struct req_que *req;
3189 struct rsp_que *rsp;
3190
3191 if (ql2xmultique_tag)
3192 req = vha->hw->req_q_map[0];
3193 else
3194 req = vha->req;
3195 rsp = req->rsp;
1da177e4 3196
e315cd28
AC		 3197 atomic_set(&vha->loop_state, LOOP_UPDATE);
3198 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3199 if (vha->flags.online) {
3200 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3201 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3202 wait_time = 256;
3203 do {
e315cd28 3204 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3205
0107109e 3206 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3207 qla2x00_marker(vha, req, rsp, 0, 0,
3208 MK_SYNC_ALL);
e315cd28 3209 vha->marker_needed = 0;
1da177e4
LT		 3210
3211 /* Remap devices on Loop. */
e315cd28 3212 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3213
e315cd28 3214 qla2x00_configure_loop(vha);
1da177e4 3215 wait_time--;
e315cd28
AC		 3216 } while (!atomic_read(&vha->loop_down_timer) &&
3217 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3218 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3219 &vha->dpc_flags)));
1da177e4 3220 }
1da177e4
LT		 3221 }
3222
e315cd28 3223 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3224 return (QLA_FUNCTION_FAILED);
1da177e4 3225
e315cd28 3226 if (rval)
1da177e4 3227 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3228
3229 return (rval);
3230}
3231
d97994dc 3232void
e315cd28 3233qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc
AV		 3234{
3235 fc_port_t *fcport;
3236
3237 /* Go with deferred removal of rport references. */
e315cd28
AC		 3238 list_for_each_entry(fcport, &vha->vp_fcports, list)
3239 if (fcport && fcport->drport &&
c9c5ced9 3240 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc
AV		 3241 qla2x00_rport_del(fcport);
3242}
3243
1da177e4
LT		 3244/*
3245* qla2x00_abort_isp
3246* Resets ISP and aborts all outstanding commands.
3247*
3248* Input:
3249* ha = adapter block pointer.
3250*
3251* Returns:
3252* 0 = success
3253*/
3254int
e315cd28 3255qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3256{
476e8978 3257 int rval;
1da177e4 3258 uint8_t status = 0;
e315cd28
AC		 3259 struct qla_hw_data *ha = vha->hw;
3260 struct scsi_qla_host *vp;
ee546b6e 3261 struct scsi_qla_host *tvp;
73208dfd 3262 struct req_que *req = ha->req_q_map[0];
1da177e4 3263
e315cd28
AC		 3264 if (vha->flags.online) {
3265 vha->flags.online = 0;
2533cf67 3266 ha->flags.chip_reset_done = 0;
e315cd28 3267 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3268 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3269
3270 qla_printk(KERN_INFO, ha,
3271 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3272 ha->isp_ops->reset_chip(vha);
3273
3274 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3275 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3276 atomic_set(&vha->loop_state, LOOP_DOWN);
3277 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3278 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3279 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3280 } else {
e315cd28
AC		 3281 if (!atomic_read(&vha->loop_down_timer))
3282 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3283 LOOP_DOWN_TIME);
3284 }
3285
1da177e4 3286 /* Requeue all commands in outstanding command list. */
e315cd28 3287 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3288
73208dfd 3289 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3290
e315cd28 3291 ha->isp_ops->nvram_config(vha);
1da177e4 3292
e315cd28
AC		 3293 if (!qla2x00_restart_isp(vha)) {
3294 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3295
e315cd28 3296 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3297 /*
3298 * Issue marker command only when we are going
3299 * to start the I/O .
3300 */
e315cd28 3301 vha->marker_needed = 1;
1da177e4
LT		 3302 }
3303
e315cd28 3304 vha->flags.online = 1;
1da177e4 3305
fd34f556 3306 ha->isp_ops->enable_intrs(ha);
1da177e4 3307
fa2a1ce5 3308 ha->isp_abort_cnt = 0;
e315cd28 3309 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3310
df613b96
AV		 3311 if (ha->fce) {
3312 ha->flags.fce_enabled = 1;
3313 memset(ha->fce, 0,
3314 fce_calc_size(ha->fce_bufs));
e315cd28 3315 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3316 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3317 &ha->fce_bufs);
3318 if (rval) {
3319 qla_printk(KERN_WARNING, ha,
3320 "Unable to reinitialize FCE "
3321 "(%d).\n", rval);
3322 ha->flags.fce_enabled = 0;
3323 }
3324 }
436a7b11
AV		 3325
3326 if (ha->eft) {
3327 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3328 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3329 ha->eft_dma, EFT_NUM_BUFFERS);
3330 if (rval) {
3331 qla_printk(KERN_WARNING, ha,
3332 "Unable to reinitialize EFT "
3333 "(%d).\n", rval);
3334 }
3335 }
1da177e4 3336 } else { /* failed the ISP abort */
e315cd28
AC		 3337 vha->flags.online = 1;
3338 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3339 if (ha->isp_abort_cnt == 0) {
3340 qla_printk(KERN_WARNING, ha,
3341 "ISP error recovery failed - "
3342 "board disabled\n");
fa2a1ce5 3343 /*
1da177e4
LT		 3344 * The next call disables the board
3345 * completely.
3346 */
e315cd28
AC		 3347 ha->isp_ops->reset_adapter(vha);
3348 vha->flags.online = 0;
1da177e4 3349 clear_bit(ISP_ABORT_RETRY,
e315cd28 3350 &vha->dpc_flags);
1da177e4
LT		 3351 status = 0;
3352 } else { /* schedule another ISP abort */
3353 ha->isp_abort_cnt--;
3354 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3355 "retry remaining %d\n",
e315cd28 3356 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3357 status = 1;
3358 }
3359 } else {
3360 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3361 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3362 "- retrying (%d) more times\n",
e315cd28
AC		 3363 vha->host_no, ha->isp_abort_cnt));
3364 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3365 status = 1;
3366 }
3367 }
fa2a1ce5 3368
1da177e4
LT		 3369 }
3370
e315cd28
AC		 3371 if (!status) {
3372 DEBUG(printk(KERN_INFO
3373 "qla2x00_abort_isp(%ld): succeeded.\n",
3374 vha->host_no));
ee546b6e 3375 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3376 if (vp->vp_idx)
3377 qla2x00_vp_abort_isp(vp);
3378 }
3379 } else {
1da177e4
LT		 3380 qla_printk(KERN_INFO, ha,
3381 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3382 }
3383
3384 return(status);
3385}
3386
3387/*
3388* qla2x00_restart_isp
3389* restarts the ISP after a reset
3390*
3391* Input:
3392* ha = adapter block pointer.
3393*
3394* Returns:
3395* 0 = success
3396*/
3397static int
e315cd28 3398qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3399{
c6b2fca8 3400 int status = 0;
1da177e4 3401 uint32_t wait_time;
e315cd28 3402 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3403 struct req_que *req = ha->req_q_map[0];
3404 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3405
3406 /* If firmware needs to be loaded */
e315cd28
AC		 3407 if (qla2x00_isp_firmware(vha)) {
3408 vha->flags.online = 0;
3409 status = ha->isp_ops->chip_diag(vha);
3410 if (!status)
3411 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3412 }
3413
e315cd28
AC		 3414 if (!status && !(status = qla2x00_init_rings(vha))) {
3415 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 3416 ha->flags.chip_reset_done = 1;
73208dfd
AC		 3417 /* Initialize the queues in use */
3418 qla25xx_init_queues(ha);
3419
e315cd28
AC		 3420 status = qla2x00_fw_ready(vha);
3421 if (!status) {
1da177e4 3422 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3423 "status = %d\n", __func__, status));
0107109e
AV		 3424
3425 /* Issue a marker after FW becomes ready. */
73208dfd 3426 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3427
e315cd28 3428 vha->flags.online = 1;
1da177e4
LT		 3429 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3430 wait_time = 256;
3431 do {
e315cd28
AC		 3432 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3433 qla2x00_configure_loop(vha);
1da177e4 3434 wait_time--;
e315cd28
AC		 3435 } while (!atomic_read(&vha->loop_down_timer) &&
3436 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3437 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3438 &vha->dpc_flags)));
1da177e4
LT		 3439 }
3440
3441 /* if no cable then assume it's good */
e315cd28 3442 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3443 status = 0;
3444
3445 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3446 __func__,
744f11fd 3447 status));
1da177e4
LT		 3448 }
3449 return (status);
3450}
3451
73208dfd
AC		 3452static int
3453qla25xx_init_queues(struct qla_hw_data *ha)
3454{
3455 struct rsp_que *rsp = NULL;
3456 struct req_que *req = NULL;
3457 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3458 int ret = -1;
3459 int i;
3460
2afa19a9 3461 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 3462 rsp = ha->rsp_q_map[i];
3463 if (rsp) {
3464 rsp->options &= ~BIT_0;
618a7523 3465 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3466 if (ret != QLA_SUCCESS)
3467 DEBUG2_17(printk(KERN_WARNING
3468 "%s Rsp que:%d init failed\n", __func__,
3469 rsp->id));
3470 else
3471 DEBUG2_17(printk(KERN_INFO
3472 "%s Rsp que:%d inited\n", __func__,
3473 rsp->id));
3474 }
2afa19a9
AC		 3475 }
3476 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 3477 req = ha->req_q_map[i];
3478 if (req) {
29bdccbe 3479 /* Clear outstanding commands array. */
73208dfd 3480 req->options &= ~BIT_0;
618a7523 3481 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3482 if (ret != QLA_SUCCESS)
3483 DEBUG2_17(printk(KERN_WARNING
3484 "%s Req que:%d init failed\n", __func__,
3485 req->id));
3486 else
3487 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3488 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3489 req->id));
3490 }
3491 }
3492 return ret;
3493}
3494
1da177e4
LT		 3495/*
3496* qla2x00_reset_adapter
3497* Reset adapter.
3498*
3499* Input:
3500* ha = adapter block pointer.
3501*/
abbd8870 3502void
e315cd28 3503qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3504{
3505 unsigned long flags = 0;
e315cd28 3506 struct qla_hw_data *ha = vha->hw;
3d71644c 3507 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3508
e315cd28 3509 vha->flags.online = 0;
fd34f556 3510 ha->isp_ops->disable_intrs(ha);
1da177e4 3511
1da177e4
LT		 3512 spin_lock_irqsave(&ha->hardware_lock, flags);
3513 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3514 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3515 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3516 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3517 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3518}
0107109e
AV		 3519
3520void
e315cd28 3521qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3522{
3523 unsigned long flags = 0;
e315cd28 3524 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3525 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3526
e315cd28 3527 vha->flags.online = 0;
fd34f556 3528 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3529
3530 spin_lock_irqsave(&ha->hardware_lock, flags);
3531 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3532 RD_REG_DWORD(&reg->hccr);
3533 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3534 RD_REG_DWORD(&reg->hccr);
3535 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3536
3537 if (IS_NOPOLLING_TYPE(ha))
3538 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3539}
3540
4e08df3f
DM		 3541/* On sparc systems, obtain port and node WWN from firmware
3542 * properties.
3543 */
e315cd28
AC		 3544static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3545 struct nvram_24xx *nv)
4e08df3f
DM		 3546{
3547#ifdef CONFIG_SPARC
e315cd28 3548 struct qla_hw_data *ha = vha->hw;
4e08df3f 3549 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3550 struct device_node *dp = pci_device_to_OF_node(pdev);
3551 const u8 *val;
4e08df3f
DM		 3552 int len;
3553
3554 val = of_get_property(dp, "port-wwn", &len);
3555 if (val && len >= WWN_SIZE)
3556 memcpy(nv->port_name, val, WWN_SIZE);
3557
3558 val = of_get_property(dp, "node-wwn", &len);
3559 if (val && len >= WWN_SIZE)
3560 memcpy(nv->node_name, val, WWN_SIZE);
3561#endif
3562}
3563
0107109e 3564int
e315cd28 3565qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3566{
4e08df3f 3567 int rval;
0107109e
AV		 3568 struct init_cb_24xx *icb;
3569 struct nvram_24xx *nv;
3570 uint32_t *dptr;
3571 uint8_t *dptr1, *dptr2;
3572 uint32_t chksum;
3573 uint16_t cnt;
e315cd28 3574 struct qla_hw_data *ha = vha->hw;
0107109e 3575
4e08df3f 3576 rval = QLA_SUCCESS;
0107109e 3577 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3578 nv = ha->nvram;
0107109e
AV		 3579
3580 /* Determine NVRAM starting address. */
e5b68a61
AC		 3581 if (ha->flags.port0) {
3582 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3583 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3584 } else {
0107109e 3585 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3586 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3587 }
e5b68a61
AC		 3588 ha->nvram_size = sizeof(struct nvram_24xx);
3589 ha->vpd_size = FA_NVRAM_VPD_SIZE;
0107109e 3590
281afe19
SJ		 3591 /* Get VPD data into cache */
3592 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3593 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3594 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3595
3596 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3597 dptr = (uint32_t *)nv;
e315cd28 3598 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3599 ha->nvram_size);
3600 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3601 chksum += le32_to_cpu(*dptr++);
3602
7640335e 3603 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 3604 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3605
3606 /* Bad NVRAM data, set defaults parameters. */
3607 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3608 || nv->id[3] != ' ' ||
3609 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3610 /* Reset NVRAM data. */
3611 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3612 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3613 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3614 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3615 "invalid -- WWPN) defaults.\n");
3616
3617 /*
3618 * Set default initialization control block.
3619 */
3620 memset(nv, 0, ha->nvram_size);
3621 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3622 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3623 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3624 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3625 nv->exchange_count = __constant_cpu_to_le16(0);
3626 nv->hard_address = __constant_cpu_to_le16(124);
3627 nv->port_name[0] = 0x21;
e5b68a61 3628 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 3629 nv->port_name[2] = 0x00;
3630 nv->port_name[3] = 0xe0;
3631 nv->port_name[4] = 0x8b;
3632 nv->port_name[5] = 0x1c;
3633 nv->port_name[6] = 0x55;
3634 nv->port_name[7] = 0x86;
3635 nv->node_name[0] = 0x20;
3636 nv->node_name[1] = 0x00;
3637 nv->node_name[2] = 0x00;
3638 nv->node_name[3] = 0xe0;
3639 nv->node_name[4] = 0x8b;
3640 nv->node_name[5] = 0x1c;
3641 nv->node_name[6] = 0x55;
3642 nv->node_name[7] = 0x86;
e315cd28 3643 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3644 nv->login_retry_count = __constant_cpu_to_le16(8);
3645 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3646 nv->login_timeout = __constant_cpu_to_le16(0);
3647 nv->firmware_options_1 =
3648 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3649 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3650 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3651 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3652 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3653 nv->efi_parameters = __constant_cpu_to_le32(0);
3654 nv->reset_delay = 5;
3655 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3656 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3657 nv->link_down_timeout = __constant_cpu_to_le16(30);
3658
3659 rval = 1;
0107109e
AV		 3660 }
3661
3662 /* Reset Initialization control block */
e315cd28 3663 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3664
3665 /* Copy 1st segment. */
3666 dptr1 = (uint8_t *)icb;
3667 dptr2 = (uint8_t *)&nv->version;
3668 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3669 while (cnt--)
3670 *dptr1++ = *dptr2++;
3671
3672 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3673 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3674
3675 /* Copy 2nd segment. */
3676 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3677 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3678 cnt = (uint8_t *)&icb->reserved_3 -
3679 (uint8_t *)&icb->interrupt_delay_timer;
3680 while (cnt--)
3681 *dptr1++ = *dptr2++;
3682
3683 /*
3684 * Setup driver NVRAM options.
3685 */
e315cd28 3686 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3687 "QLA2462");
0107109e 3688
5341e868
AV		 3689 /* Use alternate WWN? */
3690 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3691 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3692 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3693 }
3694
0107109e 3695 /* Prepare nodename */
fd0e7e4d 3696 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3697 /*
3698 * Firmware will apply the following mask if the nodename was
3699 * not provided.
3700 */
3701 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3702 icb->node_name[0] &= 0xF0;
3703 }
3704
3705 /* Set host adapter parameters. */
3706 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3707 ha->flags.enable_lip_reset = 0;
3708 ha->flags.enable_lip_full_login =
3709 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3710 ha->flags.enable_target_reset =
3711 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3712 ha->flags.enable_led_scheme = 0;
d4c760c2 3713 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3714
fd0e7e4d
AV		 3715 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3716 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3717
3718 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3719 sizeof(ha->fw_seriallink_options24));
3720
3721 /* save HBA serial number */
3722 ha->serial0 = icb->port_name[5];
3723 ha->serial1 = icb->port_name[6];
3724 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3725 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3726 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3727
bc8fb3cb
AV		 3728 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3729
0107109e
AV		 3730 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3731
3732 /* Set minimum login_timeout to 4 seconds. */
3733 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3734 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3735 if (le16_to_cpu(nv->login_timeout) < 4)
3736 nv->login_timeout = __constant_cpu_to_le16(4);
3737 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3738 icb->login_timeout = nv->login_timeout;
0107109e 3739
00a537b8
AV		 3740 /* Set minimum RATOV to 100 tenths of a second. */
3741 ha->r_a_tov = 100;
0107109e
AV		 3742
3743 ha->loop_reset_delay = nv->reset_delay;
3744
3745 /* Link Down Timeout = 0:
3746 *
3747 * When Port Down timer expires we will start returning
3748 * I/O's to OS with "DID_NO_CONNECT".
3749 *
3750 * Link Down Timeout != 0:
3751 *
3752 * The driver waits for the link to come up after link down
3753 * before returning I/Os to OS with "DID_NO_CONNECT".
3754 */
3755 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3756 ha->loop_down_abort_time =
3757 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3758 } else {
3759 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3760 ha->loop_down_abort_time =
3761 (LOOP_DOWN_TIME - ha->link_down_timeout);
3762 }
3763
3764 /* Need enough time to try and get the port back. */
3765 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3766 if (qlport_down_retry)
3767 ha->port_down_retry_count = qlport_down_retry;
3768
3769 /* Set login_retry_count */
3770 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3771 if (ha->port_down_retry_count ==
3772 le16_to_cpu(nv->port_down_retry_count) &&
3773 ha->port_down_retry_count > 3)
3774 ha->login_retry_count = ha->port_down_retry_count;
3775 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3776 ha->login_retry_count = ha->port_down_retry_count;
3777 if (ql2xloginretrycount)
3778 ha->login_retry_count = ql2xloginretrycount;
3779
4fdfefe5 3780 /* Enable ZIO. */
e315cd28 3781 if (!vha->flags.init_done) {
4fdfefe5
AV		 3782 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3783 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3784 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3785 le16_to_cpu(icb->interrupt_delay_timer): 2;
3786 }
3787 icb->firmware_options_2 &= __constant_cpu_to_le32(
3788 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3789 vha->flags.process_response_queue = 0;
4fdfefe5 3790 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3791 ha->zio_mode = QLA_ZIO_MODE_6;
3792
4fdfefe5 3793 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3794 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3795 ha->zio_timer * 100));
3796 qla_printk(KERN_INFO, ha,
3797 "ZIO mode %d enabled; timer delay (%d us).\n",
3798 ha->zio_mode, ha->zio_timer * 100);
3799
3800 icb->firmware_options_2 |= cpu_to_le32(
3801 (uint32_t)ha->zio_mode);
3802 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3803 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3804 }
3805
4e08df3f
DM		 3806 if (rval) {
3807 DEBUG2_3(printk(KERN_WARNING
e315cd28 3808 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3809 }
3810 return (rval);
0107109e
AV		 3811}
3812
413975a0 3813static int
cbc8eb67
AV		 3814qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
3815 uint32_t faddr)
d1c61909 3816{
73208dfd 3817 int rval = QLA_SUCCESS;
d1c61909 3818 int segments, fragment;
d1c61909
AV		 3819 uint32_t *dcode, dlen;
3820 uint32_t risc_addr;
3821 uint32_t risc_size;
3822 uint32_t i;
e315cd28 3823 struct qla_hw_data *ha = vha->hw;
73208dfd 3824 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3825
3826 qla_printk(KERN_INFO, ha,
cbc8eb67 3827 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 3828
d1c61909
AV		 3829 rval = QLA_SUCCESS;
3830
3831 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 3832 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3833 *srisc_addr = 0;
3834
3835 /* Validate firmware image by checking version. */
e315cd28 3836 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3837 for (i = 0; i < 4; i++)
3838 dcode[i] = be32_to_cpu(dcode[i]);
3839 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3840 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3841 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3842 dcode[3] == 0)) {
3843 qla_printk(KERN_WARNING, ha,
3844 "Unable to verify integrity of flash firmware image!\n");
3845 qla_printk(KERN_WARNING, ha,
3846 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3847 dcode[1], dcode[2], dcode[3]);
3848
3849 return QLA_FUNCTION_FAILED;
3850 }
3851
3852 while (segments && rval == QLA_SUCCESS) {
3853 /* Read segment's load information. */
e315cd28 3854 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3855
3856 risc_addr = be32_to_cpu(dcode[2]);
3857 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3858 risc_size = be32_to_cpu(dcode[3]);
3859
3860 fragment = 0;
3861 while (risc_size > 0 && rval == QLA_SUCCESS) {
3862 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3863 if (dlen > risc_size)
3864 dlen = risc_size;
3865
3866 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3867 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3868 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3869
e315cd28 3870 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3871 for (i = 0; i < dlen; i++)
3872 dcode[i] = swab32(dcode[i]);
3873
73208dfd 3874 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3875 dlen);
3876 if (rval) {
3877 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3878 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3879 fragment));
3880 qla_printk(KERN_WARNING, ha,
3881 "[ERROR] Failed to load segment %d of "
3882 "firmware\n", fragment);
3883 break;
3884 }
3885
3886 faddr += dlen;
3887 risc_addr += dlen;
3888 risc_size -= dlen;
3889 fragment++;
3890 }
3891
3892 /* Next segment. */
3893 segments--;
3894 }
3895
3896 return rval;
3897}
3898
d1c61909
AV		 3899#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3900
0107109e 3901int
e315cd28 3902qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3903{
3904 int rval;
3905 int i, fragment;
3906 uint16_t *wcode, *fwcode;
3907 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3908 struct fw_blob *blob;
e315cd28 3909 struct qla_hw_data *ha = vha->hw;
73208dfd 3910 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3911
3912 /* Load firmware blob. */
e315cd28 3913 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3914 if (!blob) {
3915 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3916 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3917 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3918 return QLA_FUNCTION_FAILED;
3919 }
3920
3921 rval = QLA_SUCCESS;
3922
73208dfd 3923 wcode = (uint16_t *)req->ring;
5433383e
AV		 3924 *srisc_addr = 0;
3925 fwcode = (uint16_t *)blob->fw->data;
3926 fwclen = 0;
3927
3928 /* Validate firmware image by checking version. */
3929 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3930 qla_printk(KERN_WARNING, ha,
3931 "Unable to verify integrity of firmware image (%Zd)!\n",
3932 blob->fw->size);
3933 goto fail_fw_integrity;
3934 }
3935 for (i = 0; i < 4; i++)
3936 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3937 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3938 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3939 wcode[2] == 0 && wcode[3] == 0)) {
3940 qla_printk(KERN_WARNING, ha,
3941 "Unable to verify integrity of firmware image!\n");
3942 qla_printk(KERN_WARNING, ha,
3943 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3944 wcode[1], wcode[2], wcode[3]);
3945 goto fail_fw_integrity;
3946 }
3947
3948 seg = blob->segs;
3949 while (*seg && rval == QLA_SUCCESS) {
3950 risc_addr = *seg;
3951 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3952 risc_size = be16_to_cpu(fwcode[3]);
3953
3954 /* Validate firmware image size. */
3955 fwclen += risc_size * sizeof(uint16_t);
3956 if (blob->fw->size < fwclen) {
3957 qla_printk(KERN_WARNING, ha,
3958 "Unable to verify integrity of firmware image "
3959 "(%Zd)!\n", blob->fw->size);
3960 goto fail_fw_integrity;
3961 }
3962
3963 fragment = 0;
3964 while (risc_size > 0 && rval == QLA_SUCCESS) {
3965 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3966 if (wlen > risc_size)
3967 wlen = risc_size;
3968
3969 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 3970 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 3971 risc_addr, wlen));
3972
3973 for (i = 0; i < wlen; i++)
3974 wcode[i] = swab16(fwcode[i]);
3975
73208dfd 3976 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 3977 wlen);
3978 if (rval) {
3979 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3980 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 3981 fragment));
3982 qla_printk(KERN_WARNING, ha,
3983 "[ERROR] Failed to load segment %d of "
3984 "firmware\n", fragment);
3985 break;
3986 }
3987
3988 fwcode += wlen;
3989 risc_addr += wlen;
3990 risc_size -= wlen;
3991 fragment++;
3992 }
3993
3994 /* Next segment. */
3995 seg++;
3996 }
3997 return rval;
3998
3999fail_fw_integrity:
4000 return QLA_FUNCTION_FAILED;
4001}
4002
eaac30be
AV		 4003static int
4004qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4005{
4006 int rval;
4007 int segments, fragment;
4008 uint32_t *dcode, dlen;
4009 uint32_t risc_addr;
4010 uint32_t risc_size;
4011 uint32_t i;
5433383e 4012 struct fw_blob *blob;
0107109e 4013 uint32_t *fwcode, fwclen;
e315cd28 4014 struct qla_hw_data *ha = vha->hw;
73208dfd 4015 struct req_que *req = ha->req_q_map[0];
0107109e 4016
5433383e 4017 /* Load firmware blob. */
e315cd28 4018 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4019 if (!blob) {
4020 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4021 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4022 "from: " QLA_FW_URL ".\n");
4023
eaac30be 4024 return QLA_FUNCTION_FAILED;
0107109e
AV		 4025 }
4026
eaac30be
AV		 4027 qla_printk(KERN_INFO, ha,
4028 "FW: Loading via request-firmware...\n");
4029
0107109e
AV		 4030 rval = QLA_SUCCESS;
4031
4032 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4033 dcode = (uint32_t *)req->ring;
0107109e 4034 *srisc_addr = 0;
5433383e 4035 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4036 fwclen = 0;
4037
4038 /* Validate firmware image by checking version. */
5433383e 4039 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4040 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4041 "Unable to verify integrity of firmware image (%Zd)!\n",
4042 blob->fw->size);
0107109e
AV		 4043 goto fail_fw_integrity;
4044 }
4045 for (i = 0; i < 4; i++)
4046 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4047 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4048 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4049 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4050 dcode[3] == 0)) {
4051 qla_printk(KERN_WARNING, ha,
5433383e 4052 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4053 qla_printk(KERN_WARNING, ha,
4054 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4055 dcode[1], dcode[2], dcode[3]);
4056 goto fail_fw_integrity;
4057 }
4058
4059 while (segments && rval == QLA_SUCCESS) {
4060 risc_addr = be32_to_cpu(fwcode[2]);
4061 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4062 risc_size = be32_to_cpu(fwcode[3]);
4063
4064 /* Validate firmware image size. */
4065 fwclen += risc_size * sizeof(uint32_t);
5433383e 4066 if (blob->fw->size < fwclen) {
0107109e 4067 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4068 "Unable to verify integrity of firmware image "
4069 "(%Zd)!\n", blob->fw->size);
4070
0107109e
AV		 4071 goto fail_fw_integrity;
4072 }
4073
4074 fragment = 0;
4075 while (risc_size > 0 && rval == QLA_SUCCESS) {
4076 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4077 if (dlen > risc_size)
4078 dlen = risc_size;
4079
4080 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4081 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4082 risc_addr, dlen));
4083
4084 for (i = 0; i < dlen; i++)
4085 dcode[i] = swab32(fwcode[i]);
4086
73208dfd 4087 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4088 dlen);
0107109e
AV		 4089 if (rval) {
4090 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4091 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4092 fragment));
4093 qla_printk(KERN_WARNING, ha,
4094 "[ERROR] Failed to load segment %d of "
4095 "firmware\n", fragment);
4096 break;
4097 }
4098
4099 fwcode += dlen;
4100 risc_addr += dlen;
4101 risc_size -= dlen;
4102 fragment++;
4103 }
4104
4105 /* Next segment. */
4106 segments--;
4107 }
0107109e
AV		 4108 return rval;
4109
4110fail_fw_integrity:
0107109e 4111 return QLA_FUNCTION_FAILED;
0107109e 4112}
18c6c127 4113
eaac30be
AV		 4114int
4115qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4116{
4117 int rval;
4118
e337d907
AV		 4119 if (ql2xfwloadbin == 1)
4120 return qla81xx_load_risc(vha, srisc_addr);
4121
eaac30be
AV		 4122 /*
4123 * FW Load priority:
4124 * 1) Firmware via request-firmware interface (.bin file).
4125 * 2) Firmware residing in flash.
4126 */
4127 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4128 if (rval == QLA_SUCCESS)
4129 return rval;
4130
cbc8eb67
AV		 4131 return qla24xx_load_risc_flash(vha, srisc_addr,
4132 vha->hw->flt_region_fw);
eaac30be
AV		 4133}
4134
4135int
4136qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4137{
4138 int rval;
cbc8eb67 4139 struct qla_hw_data *ha = vha->hw;
eaac30be 4140
e337d907 4141 if (ql2xfwloadbin == 2)
cbc8eb67 4142 goto try_blob_fw;
e337d907 4143
eaac30be
AV		 4144 /*
4145 * FW Load priority:
4146 * 1) Firmware residing in flash.
4147 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4148 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4149 */
cbc8eb67 4150 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4151 if (rval == QLA_SUCCESS)
4152 return rval;
4153
cbc8eb67
AV		 4154try_blob_fw:
4155 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4156 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4157 return rval;
4158
4159 qla_printk(KERN_ERR, ha,
4160 "FW: Attempting to fallback to golden firmware...\n");
4161 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4162 if (rval != QLA_SUCCESS)
4163 return rval;
4164
4165 qla_printk(KERN_ERR, ha,
4166 "FW: Please update operational firmware...\n");
4167 ha->flags.running_gold_fw = 1;
4168
4169 return rval;
eaac30be
AV		 4170}
4171
18c6c127 4172void
e315cd28 4173qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4174{
4175 int ret, retries;
e315cd28 4176 struct qla_hw_data *ha = vha->hw;
18c6c127 4177
e428924c 4178 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4179 return;
75edf81d
AV		 4180 if (!ha->fw_major_version)
4181 return;
18c6c127 4182
e315cd28 4183 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4184 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4185 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4186 ha->isp_ops->reset_chip(vha);
4187 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4188 continue;
e315cd28 4189 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4190 continue;
4191 qla_printk(KERN_INFO, ha,
4192 "Attempting retry of stop-firmware command...\n");
e315cd28 4193 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4194 }
4195}
2c3dfe3f
SJ		 4196
4197int
e315cd28 4198qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4199{
4200 int rval = QLA_SUCCESS;
4201 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4202 struct qla_hw_data *ha = vha->hw;
4203 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4204 struct req_que *req;
4205 struct rsp_que *rsp;
2c3dfe3f 4206
e315cd28 4207 if (!vha->vp_idx)
2c3dfe3f
SJ		 4208 return -EINVAL;
4209
e315cd28 4210 rval = qla2x00_fw_ready(base_vha);
67c2e93a
AC		 4211 if (ql2xmultique_tag)
4212 req = ha->req_q_map[0];
4213 else
4214 req = vha->req;
4215 rsp = req->rsp;
4216
2c3dfe3f 4217 if (rval == QLA_SUCCESS) {
e315cd28 4218 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4219 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4220 }
4221
e315cd28 4222 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4223
4224 /* Login to SNS first */
e315cd28 4225 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4226 if (mb[0] != MBS_COMMAND_COMPLETE) {
4227 DEBUG15(qla_printk(KERN_INFO, ha,
4228 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4229 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4230 mb[0], mb[1], mb[2], mb[6], mb[7]));
4231 return (QLA_FUNCTION_FAILED);
4232 }
4233
e315cd28
AC		 4234 atomic_set(&vha->loop_down_timer, 0);
4235 atomic_set(&vha->loop_state, LOOP_UP);
4236 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4237 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4238 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4239
4240 return rval;
4241}
4d4df193
HK		 4242
4243/* 84XX Support **************************************************************/
4244
4245static LIST_HEAD(qla_cs84xx_list);
4246static DEFINE_MUTEX(qla_cs84xx_mutex);
4247
4248static struct qla_chip_state_84xx *
e315cd28 4249qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4250{
4251 struct qla_chip_state_84xx *cs84xx;
e315cd28 4252 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4253
4254 mutex_lock(&qla_cs84xx_mutex);
4255
4256 /* Find any shared 84xx chip. */
4257 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4258 if (cs84xx->bus == ha->pdev->bus) {
4259 kref_get(&cs84xx->kref);
4260 goto done;
4261 }
4262 }
4263
4264 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4265 if (!cs84xx)
4266 goto done;
4267
4268 kref_init(&cs84xx->kref);
4269 spin_lock_init(&cs84xx->access_lock);
4270 mutex_init(&cs84xx->fw_update_mutex);
4271 cs84xx->bus = ha->pdev->bus;
4272
4273 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4274done:
4275 mutex_unlock(&qla_cs84xx_mutex);
4276 return cs84xx;
4277}
4278
4279static void
4280__qla84xx_chip_release(struct kref *kref)
4281{
4282 struct qla_chip_state_84xx *cs84xx =
4283 container_of(kref, struct qla_chip_state_84xx, kref);
4284
4285 mutex_lock(&qla_cs84xx_mutex);
4286 list_del(&cs84xx->list);
4287 mutex_unlock(&qla_cs84xx_mutex);
4288 kfree(cs84xx);
4289}
4290
4291void
e315cd28 4292qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4293{
e315cd28 4294 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4295 if (ha->cs84xx)
4296 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4297}
4298
4299static int
e315cd28 4300qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4301{
4302 int rval;
4303 uint16_t status[2];
e315cd28 4304 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4305
4306 mutex_lock(&ha->cs84xx->fw_update_mutex);
4307
e315cd28 4308 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4309
4310 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4311
4312 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4313 QLA_SUCCESS;
4314}
3a03eb79
AV		 4315
4316/* 81XX Support **************************************************************/
4317
4318int
4319qla81xx_nvram_config(scsi_qla_host_t *vha)
4320{
4321 int rval;
4322 struct init_cb_81xx *icb;
4323 struct nvram_81xx *nv;
4324 uint32_t *dptr;
4325 uint8_t *dptr1, *dptr2;
4326 uint32_t chksum;
4327 uint16_t cnt;
4328 struct qla_hw_data *ha = vha->hw;
4329
4330 rval = QLA_SUCCESS;
4331 icb = (struct init_cb_81xx *)ha->init_cb;
4332 nv = ha->nvram;
4333
4334 /* Determine NVRAM starting address. */
4335 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 4336 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 4337
4338 /* Get VPD data into cache */
4339 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 4340 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4341 ha->vpd_size);
3a03eb79
AV		 4342
4343 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 4344 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 4345 ha->nvram_size);
3d79038f 4346 dptr = (uint32_t *)nv;
3a03eb79
AV		 4347 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4348 chksum += le32_to_cpu(*dptr++);
4349
7640335e 4350 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 4351 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4352
4353 /* Bad NVRAM data, set defaults parameters. */
4354 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4355 || nv->id[3] != ' ' ||
4356 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4357 /* Reset NVRAM data. */
4358 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4359 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4360 le16_to_cpu(nv->nvram_version));
4361 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4362 "invalid -- WWPN) defaults.\n");
4363
4364 /*
4365 * Set default initialization control block.
4366 */
4367 memset(nv, 0, ha->nvram_size);
4368 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4369 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4370 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4371 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4372 nv->exchange_count = __constant_cpu_to_le16(0);
4373 nv->port_name[0] = 0x21;
e5b68a61 4374 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 4375 nv->port_name[2] = 0x00;
4376 nv->port_name[3] = 0xe0;
4377 nv->port_name[4] = 0x8b;
4378 nv->port_name[5] = 0x1c;
4379 nv->port_name[6] = 0x55;
4380 nv->port_name[7] = 0x86;
4381 nv->node_name[0] = 0x20;
4382 nv->node_name[1] = 0x00;
4383 nv->node_name[2] = 0x00;
4384 nv->node_name[3] = 0xe0;
4385 nv->node_name[4] = 0x8b;
4386 nv->node_name[5] = 0x1c;
4387 nv->node_name[6] = 0x55;
4388 nv->node_name[7] = 0x86;
4389 nv->login_retry_count = __constant_cpu_to_le16(8);
4390 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4391 nv->login_timeout = __constant_cpu_to_le16(0);
4392 nv->firmware_options_1 =
4393 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4394 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4395 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4396 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4397 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4398 nv->efi_parameters = __constant_cpu_to_le32(0);
4399 nv->reset_delay = 5;
4400 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4401 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4402 nv->link_down_timeout = __constant_cpu_to_le16(30);
4403 nv->enode_mac[0] = 0x01;
4404 nv->enode_mac[1] = 0x02;
4405 nv->enode_mac[2] = 0x03;
4406 nv->enode_mac[3] = 0x04;
4407 nv->enode_mac[4] = 0x05;
e5b68a61 4408 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4409
4410 rval = 1;
4411 }
4412
4413 /* Reset Initialization control block */
4414 memset(icb, 0, sizeof(struct init_cb_81xx));
4415
4416 /* Copy 1st segment. */
4417 dptr1 = (uint8_t *)icb;
4418 dptr2 = (uint8_t *)&nv->version;
4419 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4420 while (cnt--)
4421 *dptr1++ = *dptr2++;
4422
4423 icb->login_retry_count = nv->login_retry_count;
4424
4425 /* Copy 2nd segment. */
4426 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4427 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4428 cnt = (uint8_t *)&icb->reserved_5 -
4429 (uint8_t *)&icb->interrupt_delay_timer;
4430 while (cnt--)
4431 *dptr1++ = *dptr2++;
4432
4433 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4434 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4435 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4436 icb->enode_mac[0] = 0x01;
4437 icb->enode_mac[1] = 0x02;
4438 icb->enode_mac[2] = 0x03;
4439 icb->enode_mac[3] = 0x04;
4440 icb->enode_mac[4] = 0x05;
e5b68a61 4441 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4442 }
4443
b64b0e8f
AV		 4444 /* Use extended-initialization control block. */
4445 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4446
3a03eb79
AV		 4447 /*
4448 * Setup driver NVRAM options.
4449 */
4450 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4451 "QLE81XX");
4452
4453 /* Use alternate WWN? */
4454 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4455 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4456 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4457 }
4458
4459 /* Prepare nodename */
4460 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4461 /*
4462 * Firmware will apply the following mask if the nodename was
4463 * not provided.
4464 */
4465 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4466 icb->node_name[0] &= 0xF0;
4467 }
4468
4469 /* Set host adapter parameters. */
4470 ha->flags.disable_risc_code_load = 0;
4471 ha->flags.enable_lip_reset = 0;
4472 ha->flags.enable_lip_full_login =
4473 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4474 ha->flags.enable_target_reset =
4475 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4476 ha->flags.enable_led_scheme = 0;
4477 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4478
4479 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4480 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4481
4482 /* save HBA serial number */
4483 ha->serial0 = icb->port_name[5];
4484 ha->serial1 = icb->port_name[6];
4485 ha->serial2 = icb->port_name[7];
4486 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4487 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4488
4489 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4490
4491 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4492
4493 /* Set minimum login_timeout to 4 seconds. */
4494 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4495 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4496 if (le16_to_cpu(nv->login_timeout) < 4)
4497 nv->login_timeout = __constant_cpu_to_le16(4);
4498 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4499 icb->login_timeout = nv->login_timeout;
4500
4501 /* Set minimum RATOV to 100 tenths of a second. */
4502 ha->r_a_tov = 100;
4503
4504 ha->loop_reset_delay = nv->reset_delay;
4505
4506 /* Link Down Timeout = 0:
4507 *
4508 * When Port Down timer expires we will start returning
4509 * I/O's to OS with "DID_NO_CONNECT".
4510 *
4511 * Link Down Timeout != 0:
4512 *
4513 * The driver waits for the link to come up after link down
4514 * before returning I/Os to OS with "DID_NO_CONNECT".
4515 */
4516 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4517 ha->loop_down_abort_time =
4518 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4519 } else {
4520 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4521 ha->loop_down_abort_time =
4522 (LOOP_DOWN_TIME - ha->link_down_timeout);
4523 }
4524
4525 /* Need enough time to try and get the port back. */
4526 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4527 if (qlport_down_retry)
4528 ha->port_down_retry_count = qlport_down_retry;
4529
4530 /* Set login_retry_count */
4531 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4532 if (ha->port_down_retry_count ==
4533 le16_to_cpu(nv->port_down_retry_count) &&
4534 ha->port_down_retry_count > 3)
4535 ha->login_retry_count = ha->port_down_retry_count;
4536 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4537 ha->login_retry_count = ha->port_down_retry_count;
4538 if (ql2xloginretrycount)
4539 ha->login_retry_count = ql2xloginretrycount;
4540
4541 /* Enable ZIO. */
4542 if (!vha->flags.init_done) {
4543 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4544 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4545 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4546 le16_to_cpu(icb->interrupt_delay_timer): 2;
4547 }
4548 icb->firmware_options_2 &= __constant_cpu_to_le32(
4549 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4550 vha->flags.process_response_queue = 0;
4551 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4552 ha->zio_mode = QLA_ZIO_MODE_6;
4553
4554 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4555 "(%d us).\n", vha->host_no, ha->zio_mode,
4556 ha->zio_timer * 100));
4557 qla_printk(KERN_INFO, ha,
4558 "ZIO mode %d enabled; timer delay (%d us).\n",
4559 ha->zio_mode, ha->zio_timer * 100);
4560
4561 icb->firmware_options_2 |= cpu_to_le32(
4562 (uint32_t)ha->zio_mode);
4563 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4564 vha->flags.process_response_queue = 1;
4565 }
4566
4567 if (rval) {
4568 DEBUG2_3(printk(KERN_WARNING
4569 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4570 }
4571 return (rval);
4572}
4573
4574void
4575qla81xx_update_fw_options(scsi_qla_host_t *ha)
4576{
4577}
kernel source for telekom puls (alcatel/mediatek)