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[SCSI] qla2xxx: Always (re)read firmware version/capabilities information.
[linux-2.6-block.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
LT		 23static void qla2x00_resize_request_q(scsi_qla_host_t *);
24static int qla2x00_setup_chip(scsi_qla_host_t *);
1da177e4
LT		 25static int qla2x00_init_rings(scsi_qla_host_t *);
26static int qla2x00_fw_ready(scsi_qla_host_t *);
27static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 28static int qla2x00_configure_loop(scsi_qla_host_t *);
29static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 30static int qla2x00_configure_fabric(scsi_qla_host_t *);
31static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32static int qla2x00_device_resync(scsi_qla_host_t *);
33static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
1da177e4
LT		 35
36static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 37
e315cd28 38static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
413975a0 39
4d4df193
HK		 40static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41static int qla84xx_init_chip(scsi_qla_host_t *);
73208dfd 42static int qla25xx_init_queues(struct qla_hw_data *);
4d4df193 43
1da177e4
LT		 44/****************************************************************************/
45/* QLogic ISP2x00 Hardware Support Functions. */
46/****************************************************************************/
47
48/*
49* qla2x00_initialize_adapter
50* Initialize board.
51*
52* Input:
53* ha = adapter block pointer.
54*
55* Returns:
56* 0 = success
57*/
58int
e315cd28 59qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 60{
61 int rval;
e315cd28 62 struct qla_hw_data *ha = vha->hw;
73208dfd 63 struct req_que *req = ha->req_q_map[0];
1da177e4 64 /* Clear adapter flags. */
e315cd28
AC		 65 vha->flags.online = 0;
66 vha->flags.reset_active = 0;
67 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&vha->loop_state, LOOP_DOWN);
69 vha->device_flags = DFLG_NO_CABLE;
70 vha->dpc_flags = 0;
71 vha->flags.management_server_logged_in = 0;
72 vha->marker_needed = 0;
1da177e4
LT		 73 ha->mbx_flags = 0;
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);
1da177e4
LT		 134
135 return (rval);
136}
137
138/**
abbd8870 139 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 140 * @ha: HA context
141 *
142 * Returns 0 on success.
143 */
abbd8870 144int
e315cd28 145qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 146{
a157b101 147 uint16_t w;
abbd8870 148 unsigned long flags;
e315cd28 149 struct qla_hw_data *ha = vha->hw;
3d71644c 150 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 151
1da177e4 152 pci_set_master(ha->pdev);
af6177d8 153 pci_try_set_mwi(ha->pdev);
1da177e4 154
1da177e4 155 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 156 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 157 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
158
737faece 159 pci_disable_rom(ha->pdev);
1da177e4
LT		 160
161 /* Get PCI bus information. */
162 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 163 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 164 spin_unlock_irqrestore(&ha->hardware_lock, flags);
165
abbd8870
AV		 166 return QLA_SUCCESS;
167}
1da177e4 168
abbd8870
AV		 169/**
170 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
171 * @ha: HA context
172 *
173 * Returns 0 on success.
174 */
175int
e315cd28 176qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 177{
a157b101 178 uint16_t w;
abbd8870
AV		 179 unsigned long flags = 0;
180 uint32_t cnt;
e315cd28 181 struct qla_hw_data *ha = vha->hw;
3d71644c 182 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 183
abbd8870 184 pci_set_master(ha->pdev);
af6177d8 185 pci_try_set_mwi(ha->pdev);
1da177e4 186
abbd8870 187 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 188 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 189
abbd8870
AV		 190 if (IS_QLA2322(ha) || IS_QLA6322(ha))
191 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 192 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 193
abbd8870
AV		 194 /*
195 * If this is a 2300 card and not 2312, reset the
196 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
197 * the 2310 also reports itself as a 2300 so we need to get the
198 * fb revision level -- a 6 indicates it really is a 2300 and
199 * not a 2310.
200 */
201 if (IS_QLA2300(ha)) {
202 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 203
abbd8870 204 /* Pause RISC. */
3d71644c 205 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 206 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 207 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 208 break;
1da177e4 209
abbd8870
AV		 210 udelay(10);
211 }
1da177e4 212
abbd8870 213 /* Select FPM registers. */
3d71644c
AV		 214 WRT_REG_WORD(&reg->ctrl_status, 0x20);
215 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 216
217 /* Get the fb rev level */
3d71644c 218 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 219
220 if (ha->fb_rev == FPM_2300)
a157b101 221 pci_clear_mwi(ha->pdev);
abbd8870
AV		 222
223 /* Deselect FPM registers. */
3d71644c
AV		 224 WRT_REG_WORD(&reg->ctrl_status, 0x0);
225 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 226
227 /* Release RISC module. */
3d71644c 228 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 229 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 230 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 231 break;
232
233 udelay(10);
1da177e4 234 }
1da177e4 235
abbd8870
AV		 236 spin_unlock_irqrestore(&ha->hardware_lock, flags);
237 }
1da177e4 238
abbd8870
AV		 239 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
240
737faece 241 pci_disable_rom(ha->pdev);
1da177e4 242
abbd8870
AV		 243 /* Get PCI bus information. */
244 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 245 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 246 spin_unlock_irqrestore(&ha->hardware_lock, flags);
247
248 return QLA_SUCCESS;
1da177e4
LT		 249}
250
0107109e
AV		 251/**
252 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
253 * @ha: HA context
254 *
255 * Returns 0 on success.
256 */
257int
e315cd28 258qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 259{
a157b101 260 uint16_t w;
0107109e 261 unsigned long flags = 0;
e315cd28 262 struct qla_hw_data *ha = vha->hw;
0107109e 263 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 264
265 pci_set_master(ha->pdev);
af6177d8 266 pci_try_set_mwi(ha->pdev);
0107109e
AV		 267
268 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 269 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 270 w &= ~PCI_COMMAND_INTX_DISABLE;
271 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
272
273 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
274
275 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 276 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
277 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 278
279 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 280 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
281 pcie_set_readrq(ha->pdev, 2048);
0107109e 282
737faece 283 pci_disable_rom(ha->pdev);
0107109e 284
44c10138 285 ha->chip_revision = ha->pdev->revision;
a8488abe 286
0107109e
AV		 287 /* Get PCI bus information. */
288 spin_lock_irqsave(&ha->hardware_lock, flags);
289 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
291
292 return QLA_SUCCESS;
293}
294
c3a2f0df
AV		 295/**
296 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
297 * @ha: HA context
298 *
299 * Returns 0 on success.
300 */
301int
e315cd28 302qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 303{
304 uint16_t w;
e315cd28 305 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 306
307 pci_set_master(ha->pdev);
308 pci_try_set_mwi(ha->pdev);
309
310 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
311 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
312 w &= ~PCI_COMMAND_INTX_DISABLE;
313 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
314
315 /* PCIe -- adjust Maximum Read Request Size (2048). */
316 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
317 pcie_set_readrq(ha->pdev, 2048);
318
737faece 319 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 320
321 ha->chip_revision = ha->pdev->revision;
322
323 return QLA_SUCCESS;
324}
325
1da177e4
LT		 326/**
327 * qla2x00_isp_firmware() - Choose firmware image.
328 * @ha: HA context
329 *
330 * Returns 0 on success.
331 */
332static int
e315cd28 333qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 334{
335 int rval;
42e421b1
AV		 336 uint16_t loop_id, topo, sw_cap;
337 uint8_t domain, area, al_pa;
e315cd28 338 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 339
340 /* Assume loading risc code */
fa2a1ce5 341 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 342
343 if (ha->flags.disable_risc_code_load) {
344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 345 vha->host_no));
1da177e4
LT		 346 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
347
348 /* Verify checksum of loaded RISC code. */
e315cd28 349 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 350 if (rval == QLA_SUCCESS) {
351 /* And, verify we are not in ROM code. */
e315cd28 352 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 353 &area, &domain, &topo, &sw_cap);
354 }
1da177e4
LT		 355 }
356
357 if (rval) {
358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 359 vha->host_no));
1da177e4
LT		 360 }
361
362 return (rval);
363}
364
365/**
366 * qla2x00_reset_chip() - Reset ISP chip.
367 * @ha: HA context
368 *
369 * Returns 0 on success.
370 */
abbd8870 371void
e315cd28 372qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 373{
374 unsigned long flags = 0;
e315cd28 375 struct qla_hw_data *ha = vha->hw;
3d71644c 376 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 377 uint32_t cnt;
1da177e4
LT		 378 uint16_t cmd;
379
fd34f556 380 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 381
382 spin_lock_irqsave(&ha->hardware_lock, flags);
383
384 /* Turn off master enable */
385 cmd = 0;
386 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
387 cmd &= ~PCI_COMMAND_MASTER;
388 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
389
390 if (!IS_QLA2100(ha)) {
391 /* Pause RISC. */
392 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
393 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
394 for (cnt = 0; cnt < 30000; cnt++) {
395 if ((RD_REG_WORD(&reg->hccr) &
396 HCCR_RISC_PAUSE) != 0)
397 break;
398 udelay(100);
399 }
400 } else {
401 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
402 udelay(10);
403 }
404
405 /* Select FPM registers. */
406 WRT_REG_WORD(&reg->ctrl_status, 0x20);
407 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
408
409 /* FPM Soft Reset. */
410 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
411 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
412
413 /* Toggle Fpm Reset. */
414 if (!IS_QLA2200(ha)) {
415 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
416 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
417 }
418
419 /* Select frame buffer registers. */
420 WRT_REG_WORD(&reg->ctrl_status, 0x10);
421 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
422
423 /* Reset frame buffer FIFOs. */
424 if (IS_QLA2200(ha)) {
425 WRT_FB_CMD_REG(ha, reg, 0xa000);
426 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
427 } else {
428 WRT_FB_CMD_REG(ha, reg, 0x00fc);
429
430 /* Read back fb_cmd until zero or 3 seconds max */
431 for (cnt = 0; cnt < 3000; cnt++) {
432 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
433 break;
434 udelay(100);
435 }
436 }
437
438 /* Select RISC module registers. */
439 WRT_REG_WORD(&reg->ctrl_status, 0);
440 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
441
442 /* Reset RISC processor. */
443 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
444 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
445
446 /* Release RISC processor. */
447 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
448 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
449 }
450
451 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
452 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
453
454 /* Reset ISP chip. */
455 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
456
457 /* Wait for RISC to recover from reset. */
458 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
459 /*
460 * It is necessary to for a delay here since the card doesn't
461 * respond to PCI reads during a reset. On some architectures
462 * this will result in an MCA.
463 */
464 udelay(20);
465 for (cnt = 30000; cnt; cnt--) {
466 if ((RD_REG_WORD(&reg->ctrl_status) &
467 CSR_ISP_SOFT_RESET) == 0)
468 break;
469 udelay(100);
470 }
471 } else
472 udelay(10);
473
474 /* Reset RISC processor. */
475 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
476
477 WRT_REG_WORD(&reg->semaphore, 0);
478
479 /* Release RISC processor. */
480 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
481 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
482
483 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
484 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 485 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 486 break;
1da177e4
LT		 487
488 udelay(100);
489 }
490 } else
491 udelay(100);
492
493 /* Turn on master enable */
494 cmd |= PCI_COMMAND_MASTER;
495 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
496
497 /* Disable RISC pause on FPM parity error. */
498 if (!IS_QLA2100(ha)) {
499 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
500 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
501 }
502
503 spin_unlock_irqrestore(&ha->hardware_lock, flags);
504}
505
0107109e 506/**
88c26663 507 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 508 * @ha: HA context
509 *
510 * Returns 0 on success.
511 */
88c26663 512static inline void
e315cd28 513qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e 514{
cb8dacbf 515 int hw_evt = 0;
0107109e 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 }
cb8dacbf
AV		 545 if (cnt == 0)
546 hw_evt = 1;
88c26663 547
335a1cc9 548 /* Wait for soft-reset to complete. */
0107109e
AV		 549 d2 = RD_REG_DWORD(&reg->ctrl_status);
550 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
551 udelay(5);
552 d2 = RD_REG_DWORD(&reg->ctrl_status);
553 barrier();
554 }
555
556 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
557 RD_REG_DWORD(&reg->hccr);
558
559 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
560 RD_REG_DWORD(&reg->hccr);
561
562 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
563 RD_REG_DWORD(&reg->hccr);
564
565 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
566 for (cnt = 6000000 ; cnt && d2; cnt--) {
567 udelay(5);
568 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
569 barrier();
570 }
571
572 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 573
574 if (IS_NOPOLLING_TYPE(ha))
575 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 576}
577
88c26663
AV		 578/**
579 * qla24xx_reset_chip() - Reset ISP24xx chip.
580 * @ha: HA context
581 *
582 * Returns 0 on success.
583 */
584void
e315cd28 585qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 586{
e315cd28 587 struct qla_hw_data *ha = vha->hw;
fd34f556 588 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 589
590 /* Perform RISC reset. */
e315cd28 591 qla24xx_reset_risc(vha);
88c26663
AV		 592}
593
1da177e4
LT		 594/**
595 * qla2x00_chip_diag() - Test chip for proper operation.
596 * @ha: HA context
597 *
598 * Returns 0 on success.
599 */
abbd8870 600int
e315cd28 601qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 602{
603 int rval;
e315cd28 604 struct qla_hw_data *ha = vha->hw;
3d71644c 605 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 606 unsigned long flags = 0;
607 uint16_t data;
608 uint32_t cnt;
609 uint16_t mb[5];
73208dfd 610 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 611
612 /* Assume a failed state */
613 rval = QLA_FUNCTION_FAILED;
614
615 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 616 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 617
618 spin_lock_irqsave(&ha->hardware_lock, flags);
619
620 /* Reset ISP chip. */
621 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
622
623 /*
624 * We need to have a delay here since the card will not respond while
625 * in reset causing an MCA on some architectures.
626 */
627 udelay(20);
628 data = qla2x00_debounce_register(&reg->ctrl_status);
629 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
630 udelay(5);
631 data = RD_REG_WORD(&reg->ctrl_status);
632 barrier();
633 }
634
635 if (!cnt)
636 goto chip_diag_failed;
637
638 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
639 ha->host_no));
640
641 /* Reset RISC processor. */
642 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
643 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
644
645 /* Workaround for QLA2312 PCI parity error */
646 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
647 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
648 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
649 udelay(5);
650 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 651 barrier();
1da177e4
LT		 652 }
653 } else
654 udelay(10);
655
656 if (!cnt)
657 goto chip_diag_failed;
658
659 /* Check product ID of chip */
660 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
661
662 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
663 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
664 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
665 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
666 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
667 mb[3] != PROD_ID_3) {
668 qla_printk(KERN_WARNING, ha,
669 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
670
671 goto chip_diag_failed;
672 }
673 ha->product_id[0] = mb[1];
674 ha->product_id[1] = mb[2];
675 ha->product_id[2] = mb[3];
676 ha->product_id[3] = mb[4];
677
678 /* Adjust fw RISC transfer size */
73208dfd 679 if (req->length > 1024)
1da177e4
LT		 680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
681 else
682 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 683 req->length;
1da177e4
LT		 684
685 if (IS_QLA2200(ha) &&
686 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
687 /* Limit firmware transfer size with a 2200A */
688 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 689 vha->host_no));
1da177e4 690
ea5b6382 691 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 692 ha->fw_transfer_size = 128;
693 }
694
695 /* Wrap Incoming Mailboxes Test. */
696 spin_unlock_irqrestore(&ha->hardware_lock, flags);
697
e315cd28
AC		 698 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
699 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 700 if (rval) {
701 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 702 vha->host_no));
1da177e4
LT		 703 qla_printk(KERN_WARNING, ha,
704 "Failed mailbox send register test\n");
705 }
706 else {
707 /* Flag a successful rval */
708 rval = QLA_SUCCESS;
709 }
710 spin_lock_irqsave(&ha->hardware_lock, flags);
711
712chip_diag_failed:
713 if (rval)
714 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 715 "****\n", vha->host_no));
1da177e4
LT		 716
717 spin_unlock_irqrestore(&ha->hardware_lock, flags);
718
719 return (rval);
720}
721
0107109e
AV		 722/**
723 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
724 * @ha: HA context
725 *
726 * Returns 0 on success.
727 */
728int
e315cd28 729qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 730{
731 int rval;
e315cd28 732 struct qla_hw_data *ha = vha->hw;
73208dfd 733 struct req_que *req = ha->req_q_map[0];
0107109e 734
88c26663 735 /* Perform RISC reset. */
e315cd28 736 qla24xx_reset_risc(vha);
0107109e 737
73208dfd 738 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 739
e315cd28 740 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 741 if (rval) {
742 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 743 vha->host_no));
0107109e
AV		 744 qla_printk(KERN_WARNING, ha,
745 "Failed mailbox send register test\n");
746 } else {
747 /* Flag a successful rval */
748 rval = QLA_SUCCESS;
749 }
750
751 return rval;
752}
753
a7a167bf 754void
e315cd28 755qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 756{
a7a167bf
AV		 757 int rval;
758 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 759 eft_size, fce_size, mq_size;
df613b96
AV		 760 dma_addr_t tc_dma;
761 void *tc;
e315cd28 762 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 763 struct req_que *req = ha->req_q_map[0];
764 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 765
766 if (ha->fw_dump) {
767 qla_printk(KERN_WARNING, ha,
768 "Firmware dump previously allocated.\n");
769 return;
770 }
d4e3e04d 771
0107109e 772 ha->fw_dumped = 0;
73208dfd 773 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 774 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 775 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 776 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 777 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
778 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
779 sizeof(uint16_t);
e428924c 780 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 781 if (IS_QLA81XX(ha))
782 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
783 else if (IS_QLA25XX(ha))
784 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
785 else
786 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 787 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
788 sizeof(uint32_t);
73208dfd
AC		 789 if (ha->mqenable)
790 mq_size = sizeof(struct qla2xxx_mq_chain);
a7a167bf 791
df613b96 792 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 793 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 794 goto try_eft;
df613b96
AV		 795
796 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
797 GFP_KERNEL);
798 if (!tc) {
799 qla_printk(KERN_WARNING, ha, "Unable to allocate "
800 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 801 goto try_eft;
df613b96
AV		 802 }
803
804 memset(tc, 0, FCE_SIZE);
e315cd28 805 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 806 ha->fce_mb, &ha->fce_bufs);
807 if (rval) {
808 qla_printk(KERN_WARNING, ha, "Unable to initialize "
809 "FCE (%d).\n", rval);
810 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
811 tc_dma);
812 ha->flags.fce_enabled = 0;
17d98630 813 goto try_eft;
df613b96
AV		 814 }
815
816 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
817 FCE_SIZE / 1024);
818
7d9dade3 819 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 820 ha->flags.fce_enabled = 1;
821 ha->fce_dma = tc_dma;
822 ha->fce = tc;
436a7b11
AV		 823try_eft:
824 /* Allocate memory for Extended Trace Buffer. */
825 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
826 GFP_KERNEL);
827 if (!tc) {
828 qla_printk(KERN_WARNING, ha, "Unable to allocate "
829 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
830 goto cont_alloc;
831 }
832
833 memset(tc, 0, EFT_SIZE);
e315cd28 834 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 835 if (rval) {
836 qla_printk(KERN_WARNING, ha, "Unable to initialize "
837 "EFT (%d).\n", rval);
838 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
839 tc_dma);
840 goto cont_alloc;
841 }
842
843 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
844 EFT_SIZE / 1024);
845
846 eft_size = EFT_SIZE;
847 ha->eft_dma = tc_dma;
848 ha->eft = tc;
d4e3e04d 849 }
a7a167bf 850cont_alloc:
73208dfd
AC		 851 req_q_size = req->length * sizeof(request_t);
852 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 853
854 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
855 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
bb99de67
AV		 856 eft_size;
857 ha->chain_offset = dump_size;
858 dump_size += mq_size + fce_size;
d4e3e04d
AV		 859
860 ha->fw_dump = vmalloc(dump_size);
a7a167bf 861 if (!ha->fw_dump) {
0107109e 862 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 863 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 864
865 if (ha->eft) {
866 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
867 ha->eft_dma);
868 ha->eft = NULL;
869 ha->eft_dma = 0;
870 }
871 return;
872 }
a7a167bf
AV		 873 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
874 dump_size / 1024);
875
876 ha->fw_dump_len = dump_size;
877 ha->fw_dump->signature[0] = 'Q';
878 ha->fw_dump->signature[1] = 'L';
879 ha->fw_dump->signature[2] = 'G';
880 ha->fw_dump->signature[3] = 'C';
881 ha->fw_dump->version = __constant_htonl(1);
882
883 ha->fw_dump->fixed_size = htonl(fixed_size);
884 ha->fw_dump->mem_size = htonl(mem_size);
885 ha->fw_dump->req_q_size = htonl(req_q_size);
886 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
887
888 ha->fw_dump->eft_size = htonl(eft_size);
889 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
890 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
891
892 ha->fw_dump->header_size =
893 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 894}
895
1da177e4
LT		 896/**
897 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
898 * @ha: HA context
899 *
900 * Returns 0 on success.
901 */
902static void
e315cd28 903qla2x00_resize_request_q(scsi_qla_host_t *vha)
1da177e4
LT		 904{
905 int rval;
906 uint16_t fw_iocb_cnt = 0;
907 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
908 dma_addr_t request_dma;
909 request_t *request_ring;
e315cd28 910 struct qla_hw_data *ha = vha->hw;
73208dfd 911 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 912
913 /* Valid only on recent ISPs. */
914 if (IS_QLA2100(ha) || IS_QLA2200(ha))
915 return;
916
917 /* Retrieve IOCB counts available to the firmware. */
e315cd28
AC		 918 rval = qla2x00_get_resource_cnts(vha, NULL, NULL, NULL, &fw_iocb_cnt,
919 &ha->max_npiv_vports);
1da177e4
LT		 920 if (rval)
921 return;
922 /* No point in continuing if current settings are sufficient. */
923 if (fw_iocb_cnt < 1024)
924 return;
e315cd28 925 if (req->length >= request_q_length)
1da177e4
LT		 926 return;
927
928 /* Attempt to claim larger area for request queue. */
929 request_ring = dma_alloc_coherent(&ha->pdev->dev,
930 (request_q_length + 1) * sizeof(request_t), &request_dma,
931 GFP_KERNEL);
932 if (request_ring == NULL)
933 return;
934
935 /* Resize successful, report extensions. */
936 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
937 (ha->fw_memory_size + 1) / 1024);
938 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
e315cd28 939 "(%d -> %d)...\n", req->length, request_q_length);
1da177e4
LT		 940
941 /* Clear old allocations. */
942 dma_free_coherent(&ha->pdev->dev,
e315cd28
AC		 943 (req->length + 1) * sizeof(request_t), req->ring,
944 req->dma);
1da177e4
LT		 945
946 /* Begin using larger queue. */
e315cd28
AC		 947 req->length = request_q_length;
948 req->ring = request_ring;
949 req->dma = request_dma;
1da177e4
LT		 950}
951
952/**
953 * qla2x00_setup_chip() - Load and start RISC firmware.
954 * @ha: HA context
955 *
956 * Returns 0 on success.
957 */
958static int
e315cd28 959qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 960{
0107109e
AV		 961 int rval;
962 uint32_t srisc_address = 0;
e315cd28 963 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 964 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
965 unsigned long flags;
dda772e8 966 uint16_t fw_major_version;
3db0652e
AV		 967
968 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
969 /* Disable SRAM, Instruction RAM and GP RAM parity. */
970 spin_lock_irqsave(&ha->hardware_lock, flags);
971 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
972 RD_REG_WORD(&reg->hccr);
973 spin_unlock_irqrestore(&ha->hardware_lock, flags);
974 }
1da177e4
LT		 975
976 /* Load firmware sequences */
e315cd28 977 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 978 if (rval == QLA_SUCCESS) {
1da177e4 979 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 980 "code.\n", vha->host_no));
1da177e4 981
e315cd28 982 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 983 if (rval == QLA_SUCCESS) {
984 /* Start firmware execution. */
985 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 986 "firmware.\n", vha->host_no));
1da177e4 987
e315cd28 988 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 989 /* Retrieve firmware information. */
dda772e8
AV		 990 if (rval == QLA_SUCCESS) {
991 fw_major_version = ha->fw_major_version;
e315cd28 992 qla2x00_get_fw_version(vha,
1da177e4
LT		 993 &ha->fw_major_version,
994 &ha->fw_minor_version,
995 &ha->fw_subminor_version,
3a03eb79
AV		 996 &ha->fw_attributes, &ha->fw_memory_size,
997 ha->mpi_version, &ha->mpi_capabilities);
2c3dfe3f 998 ha->flags.npiv_supported = 0;
e315cd28 999 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 1000 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 1001 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 1002 if ((!ha->max_npiv_vports) ||
1003 ((ha->max_npiv_vports + 1) %
eb66dc60 1004 MIN_MULTI_ID_FABRIC))
4d0ea247 1005 ha->max_npiv_vports =
eb66dc60 1006 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 1007 }
dda772e8
AV		 1008 if (!fw_major_version) {
1009 qla2x00_resize_request_q(vha);
1010 if (ql2xallocfwdump)
1011 qla2x00_alloc_fw_dump(vha);
1012 }
1da177e4
LT		 1013 }
1014 } else {
1015 DEBUG2(printk(KERN_INFO
1016 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 1017 vha->host_no));
1da177e4
LT		 1018 }
1019 }
1020
3db0652e
AV		 1021 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1022 /* Enable proper parity. */
1023 spin_lock_irqsave(&ha->hardware_lock, flags);
1024 if (IS_QLA2300(ha))
1025 /* SRAM parity */
1026 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1027 else
1028 /* SRAM, Instruction RAM and GP RAM parity */
1029 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1030 RD_REG_WORD(&reg->hccr);
1031 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1032 }
1033
1da177e4
LT		 1034 if (rval) {
1035 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 1036 vha->host_no));
1da177e4
LT		 1037 }
1038
1039 return (rval);
1040}
1041
1042/**
1043 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1044 * @ha: HA context
1045 *
1046 * Beginning of request ring has initialization control block already built
1047 * by nvram config routine.
1048 *
1049 * Returns 0 on success.
1050 */
73208dfd
AC		 1051void
1052qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1053{
1054 uint16_t cnt;
1055 response_t *pkt;
1056
e315cd28
AC		 1057 pkt = rsp->ring_ptr;
1058 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1059 pkt->signature = RESPONSE_PROCESSED;
1060 pkt++;
1061 }
1062
1063}
1064
1065/**
1066 * qla2x00_update_fw_options() - Read and process firmware options.
1067 * @ha: HA context
1068 *
1069 * Returns 0 on success.
1070 */
abbd8870 1071void
e315cd28 1072qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1073{
1074 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1075 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1076
1077 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1078 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1079
1080 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1081 return;
1082
1083 /* Serial Link options. */
1084 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1085 vha->host_no));
1da177e4
LT		 1086 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1087 sizeof(ha->fw_seriallink_options)));
1088
1089 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1090 if (ha->fw_seriallink_options[3] & BIT_2) {
1091 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1092
1093 /* 1G settings */
1094 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1095 emphasis = (ha->fw_seriallink_options[2] &
1096 (BIT_4 | BIT_3)) >> 3;
1097 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1098 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1099 rx_sens = (ha->fw_seriallink_options[0] &
1100 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1101 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1102 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1103 if (rx_sens == 0x0)
1104 rx_sens = 0x3;
1105 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1106 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1107 ha->fw_options[10] |= BIT_5 |
1108 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1109 (tx_sens & (BIT_1 | BIT_0));
1110
1111 /* 2G settings */
1112 swing = (ha->fw_seriallink_options[2] &
1113 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1114 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1115 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1116 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1117 rx_sens = (ha->fw_seriallink_options[1] &
1118 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1119 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1120 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1121 if (rx_sens == 0x0)
1122 rx_sens = 0x3;
1123 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1124 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1125 ha->fw_options[11] |= BIT_5 |
1126 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1127 (tx_sens & (BIT_1 | BIT_0));
1128 }
1129
1130 /* FCP2 options. */
1131 /* Return command IOCBs without waiting for an ABTS to complete. */
1132 ha->fw_options[3] |= BIT_13;
1133
1134 /* LED scheme. */
1135 if (ha->flags.enable_led_scheme)
1136 ha->fw_options[2] |= BIT_12;
1137
48c02fde 1138 /* Detect ISP6312. */
1139 if (IS_QLA6312(ha))
1140 ha->fw_options[2] |= BIT_13;
1141
1da177e4 1142 /* Update firmware options. */
e315cd28 1143 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1144}
1145
0107109e 1146void
e315cd28 1147qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1148{
1149 int rval;
e315cd28 1150 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1151
1152 /* Update Serial Link options. */
f94097ed 1153 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1154 return;
1155
e315cd28 1156 rval = qla2x00_set_serdes_params(vha,
f94097ed 1157 le16_to_cpu(ha->fw_seriallink_options24[1]),
1158 le16_to_cpu(ha->fw_seriallink_options24[2]),
1159 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1160 if (rval != QLA_SUCCESS) {
1161 qla_printk(KERN_WARNING, ha,
1162 "Unable to update Serial Link options (%x).\n", rval);
1163 }
1164}
1165
abbd8870 1166void
e315cd28 1167qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1168{
e315cd28 1169 struct qla_hw_data *ha = vha->hw;
3d71644c 1170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1171 struct req_que *req = ha->req_q_map[0];
1172 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1173
1174 /* Setup ring parameters in initialization control block. */
1175 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1176 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1177 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1178 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1179 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1180 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1181 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1182 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1183
1184 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1185 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1186 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1187 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1188 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1189}
1190
0107109e 1191void
e315cd28 1192qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1193{
e315cd28 1194 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1195 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1196 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1197 struct qla_msix_entry *msix;
0107109e 1198 struct init_cb_24xx *icb;
73208dfd
AC		 1199 uint16_t rid = 0;
1200 struct req_que *req = ha->req_q_map[0];
1201 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1202
73208dfd 1203/* Setup ring parameters in initialization control block. */
0107109e
AV		 1204 icb = (struct init_cb_24xx *)ha->init_cb;
1205 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1206 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1207 icb->request_q_length = cpu_to_le16(req->length);
1208 icb->response_q_length = cpu_to_le16(rsp->length);
1209 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1210 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1211 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1212 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1213
73208dfd
AC		 1214 if (ha->mqenable) {
1215 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1216 icb->rid = __constant_cpu_to_le16(rid);
1217 if (ha->flags.msix_enabled) {
1218 msix = &ha->msix_entries[1];
1219 DEBUG2_17(printk(KERN_INFO
1220 "Reistering vector 0x%x for base que\n", msix->entry));
1221 icb->msix = cpu_to_le16(msix->entry);
1222 }
1223 /* Use alternate PCI bus number */
1224 if (MSB(rid))
1225 icb->firmware_options_2 |=
1226 __constant_cpu_to_le32(BIT_19);
1227 /* Use alternate PCI devfn */
1228 if (LSB(rid))
1229 icb->firmware_options_2 |=
1230 __constant_cpu_to_le32(BIT_18);
1231
618a7523 1232 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1233 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1234
1235 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1236 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1237 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1238 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1239 } else {
1240 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1241 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1242 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1243 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1244 }
1245 /* PCI posting */
1246 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1247}
1248
1da177e4
LT		 1249/**
1250 * qla2x00_init_rings() - Initializes firmware.
1251 * @ha: HA context
1252 *
1253 * Beginning of request ring has initialization control block already built
1254 * by nvram config routine.
1255 *
1256 * Returns 0 on success.
1257 */
1258static int
e315cd28 1259qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1260{
1261 int rval;
1262 unsigned long flags = 0;
29bdccbe 1263 int cnt, que;
e315cd28 1264 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1265 struct req_que *req;
1266 struct rsp_que *rsp;
1267 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1268 struct mid_init_cb_24xx *mid_init_cb =
1269 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1270
1271 spin_lock_irqsave(&ha->hardware_lock, flags);
1272
1273 /* Clear outstanding commands array. */
29bdccbe
AC		 1274 for (que = 0; que < ha->max_queues; que++) {
1275 req = ha->req_q_map[que];
1276 if (!req)
1277 continue;
1278 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1279 req->outstanding_cmds[cnt] = NULL;
1da177e4 1280
29bdccbe 1281 req->current_outstanding_cmd = 0;
1da177e4 1282
29bdccbe
AC		 1283 /* Initialize firmware. */
1284 req->ring_ptr = req->ring;
1285 req->ring_index = 0;
1286 req->cnt = req->length;
1287 }
1da177e4 1288
29bdccbe
AC		 1289 for (que = 0; que < ha->max_queues; que++) {
1290 rsp = ha->rsp_q_map[que];
1291 if (!rsp)
1292 continue;
1293 rsp->ring_ptr = rsp->ring;
1294 rsp->ring_index = 0;
1da177e4 1295
29bdccbe
AC		 1296 /* Initialize response queue entries */
1297 qla2x00_init_response_q_entries(rsp);
1298 }
1da177e4 1299
29bdccbe
AC		 1300 /* Clear RSCN queue. */
1301 list_for_each_entry(vp, &ha->vp_list, list) {
1302 vp->rscn_in_ptr = 0;
1303 vp->rscn_out_ptr = 0;
1304 }
e315cd28 1305 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1306
1307 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308
1309 /* Update any ISP specific firmware options before initialization. */
e315cd28 1310 ha->isp_ops->update_fw_options(vha);
1da177e4 1311
e315cd28 1312 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1313
605aa2bc
LC		 1314 if (ha->flags.npiv_supported) {
1315 if (ha->operating_mode == LOOP)
1316 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1317 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1318 }
1319
c48339de 1320
eb66dc60 1321 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2c3dfe3f 1322
e315cd28 1323 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1324 if (rval) {
1325 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1326 vha->host_no));
1da177e4
LT		 1327 } else {
1328 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1329 vha->host_no));
1da177e4
LT		 1330 }
1331
1332 return (rval);
1333}
1334
1335/**
1336 * qla2x00_fw_ready() - Waits for firmware ready.
1337 * @ha: HA context
1338 *
1339 * Returns 0 on success.
1340 */
1341static int
e315cd28 1342qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1343{
1344 int rval;
4d4df193 1345 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1346 uint16_t min_wait; /* Minimum wait time if loop is down */
1347 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1348 uint16_t state[3];
e315cd28 1349 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1350
1351 rval = QLA_SUCCESS;
1352
1353 /* 20 seconds for loop down. */
fa2a1ce5 1354 min_wait = 20;
1da177e4
LT		 1355
1356 /*
1357 * Firmware should take at most one RATOV to login, plus 5 seconds for
1358 * our own processing.
1359 */
1360 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1361 wait_time = min_wait;
1362 }
1363
1364 /* Min wait time if loop down */
1365 mtime = jiffies + (min_wait * HZ);
1366
1367 /* wait time before firmware ready */
1368 wtime = jiffies + (wait_time * HZ);
1369
1370 /* Wait for ISP to finish LIP */
e315cd28 1371 if (!vha->flags.init_done)
1da177e4
LT		 1372 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1373
1374 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1375 vha->host_no));
1da177e4
LT		 1376
1377 do {
e315cd28 1378 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1379 if (rval == QLA_SUCCESS) {
4d4df193 1380 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1381 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1382 }
4d4df193
HK		 1383 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1384 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1385 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1386 state[2]));
1387 if ((state[2] & FSTATE_LOGGED_IN) &&
1388 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1389 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1390 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1391
1392 cs84xx_time = jiffies;
e315cd28 1393 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1394 if (rval != QLA_SUCCESS)
1395 break;
1396
1397 /* Add time taken to initialize. */
1398 cs84xx_time = jiffies - cs84xx_time;
1399 wtime += cs84xx_time;
1400 mtime += cs84xx_time;
1401 DEBUG16(printk("scsi(%ld): Increasing "
1402 "wait time by %ld. New time %ld\n",
e315cd28 1403 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1404 }
1405 } else if (state[0] == FSTATE_READY) {
1da177e4 1406 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1407 vha->host_no));
1da177e4 1408
e315cd28 1409 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1410 &ha->login_timeout, &ha->r_a_tov);
1411
1412 rval = QLA_SUCCESS;
1413 break;
1414 }
1415
1416 rval = QLA_FUNCTION_FAILED;
1417
e315cd28 1418 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1419 state[0] != FSTATE_READY) {
1da177e4 1420 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1421 * other than Wait for Login.
1422 */
1da177e4
LT		 1423 if (time_after_eq(jiffies, mtime)) {
1424 qla_printk(KERN_INFO, ha,
1425 "Cable is unplugged...\n");
1426
e315cd28 1427 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1428 break;
1429 }
1430 }
1431 } else {
1432 /* Mailbox cmd failed. Timeout on min_wait. */
1433 if (time_after_eq(jiffies, mtime))
1434 break;
1435 }
1436
1437 if (time_after_eq(jiffies, wtime))
1438 break;
1439
1440 /* Delay for a while */
1441 msleep(500);
1442
1443 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1444 vha->host_no, state[0], jiffies));
1da177e4
LT		 1445 } while (1);
1446
1447 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1448 vha->host_no, state[0], jiffies));
1da177e4
LT		 1449
1450 if (rval) {
1451 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1452 vha->host_no));
1da177e4
LT		 1453 }
1454
1455 return (rval);
1456}
1457
1458/*
1459* qla2x00_configure_hba
1460* Setup adapter context.
1461*
1462* Input:
1463* ha = adapter state pointer.
1464*
1465* Returns:
1466* 0 = success
1467*
1468* Context:
1469* Kernel context.
1470*/
1471static int
e315cd28 1472qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1473{
1474 int rval;
1475 uint16_t loop_id;
1476 uint16_t topo;
2c3dfe3f 1477 uint16_t sw_cap;
1da177e4
LT		 1478 uint8_t al_pa;
1479 uint8_t area;
1480 uint8_t domain;
1481 char connect_type[22];
e315cd28 1482 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1483
1484 /* Get host addresses. */
e315cd28 1485 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1486 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1487 if (rval != QLA_SUCCESS) {
e315cd28 1488 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1489 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1490 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1491 __func__, vha->host_no));
33135aa2
RA		 1492 } else {
1493 qla_printk(KERN_WARNING, ha,
1494 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1495 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1496 }
1da177e4
LT		 1497 return (rval);
1498 }
1499
1500 if (topo == 4) {
1501 qla_printk(KERN_INFO, ha,
1502 "Cannot get topology - retrying.\n");
1503 return (QLA_FUNCTION_FAILED);
1504 }
1505
e315cd28 1506 vha->loop_id = loop_id;
1da177e4
LT		 1507
1508 /* initialize */
1509 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1510 ha->operating_mode = LOOP;
2c3dfe3f 1511 ha->switch_cap = 0;
1da177e4
LT		 1512
1513 switch (topo) {
1514 case 0:
1515 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1516 vha->host_no));
1da177e4
LT		 1517 ha->current_topology = ISP_CFG_NL;
1518 strcpy(connect_type, "(Loop)");
1519 break;
1520
1521 case 1:
1522 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1523 vha->host_no));
2c3dfe3f 1524 ha->switch_cap = sw_cap;
1da177e4
LT		 1525 ha->current_topology = ISP_CFG_FL;
1526 strcpy(connect_type, "(FL_Port)");
1527 break;
1528
1529 case 2:
1530 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1531 vha->host_no));
1da177e4
LT		 1532 ha->operating_mode = P2P;
1533 ha->current_topology = ISP_CFG_N;
1534 strcpy(connect_type, "(N_Port-to-N_Port)");
1535 break;
1536
1537 case 3:
1538 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1539 vha->host_no));
2c3dfe3f 1540 ha->switch_cap = sw_cap;
1da177e4
LT		 1541 ha->operating_mode = P2P;
1542 ha->current_topology = ISP_CFG_F;
1543 strcpy(connect_type, "(F_Port)");
1544 break;
1545
1546 default:
1547 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1548 "Using NL.\n",
e315cd28 1549 vha->host_no, topo));
1da177e4
LT		 1550 ha->current_topology = ISP_CFG_NL;
1551 strcpy(connect_type, "(Loop)");
1552 break;
1553 }
1554
1555 /* Save Host port and loop ID. */
1556 /* byte order - Big Endian */
e315cd28
AC		 1557 vha->d_id.b.domain = domain;
1558 vha->d_id.b.area = area;
1559 vha->d_id.b.al_pa = al_pa;
1da177e4 1560
e315cd28 1561 if (!vha->flags.init_done)
1da177e4
LT		 1562 qla_printk(KERN_INFO, ha,
1563 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1564 connect_type, vha->loop_id);
1da177e4
LT		 1565
1566 if (rval) {
e315cd28 1567 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1568 } else {
e315cd28 1569 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1570 }
1571
1572 return(rval);
1573}
1574
9bb9fcf2 1575static inline void
e315cd28
AC		 1576qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1577 char *def)
9bb9fcf2
AV		 1578{
1579 char *st, *en;
1580 uint16_t index;
e315cd28 1581 struct qla_hw_data *ha = vha->hw;
9bb9fcf2
AV		 1582
1583 if (memcmp(model, BINZERO, len) != 0) {
1584 strncpy(ha->model_number, model, len);
1585 st = en = ha->model_number;
1586 en += len - 1;
1587 while (en > st) {
1588 if (*en != 0x20 && *en != 0x00)
1589 break;
1590 *en-- = '\0';
1591 }
1592
1593 index = (ha->pdev->subsystem_device & 0xff);
1594 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1595 index < QLA_MODEL_NAMES)
1ee27146
JC		 1596 strncpy(ha->model_desc,
1597 qla2x00_model_name[index * 2 + 1],
1598 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1599 } else {
1600 index = (ha->pdev->subsystem_device & 0xff);
1601 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1602 index < QLA_MODEL_NAMES) {
1603 strcpy(ha->model_number,
1604 qla2x00_model_name[index * 2]);
1ee27146
JC		 1605 strncpy(ha->model_desc,
1606 qla2x00_model_name[index * 2 + 1],
1607 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1608 } else {
1609 strcpy(ha->model_number, def);
1610 }
1611 }
1ee27146 1612 if (IS_FWI2_CAPABLE(ha))
e315cd28 1613 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1614 sizeof(ha->model_desc));
9bb9fcf2
AV		 1615}
1616
4e08df3f
DM		 1617/* On sparc systems, obtain port and node WWN from firmware
1618 * properties.
1619 */
e315cd28 1620static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1621{
1622#ifdef CONFIG_SPARC
e315cd28 1623 struct qla_hw_data *ha = vha->hw;
4e08df3f 1624 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1625 struct device_node *dp = pci_device_to_OF_node(pdev);
1626 const u8 *val;
4e08df3f
DM		 1627 int len;
1628
1629 val = of_get_property(dp, "port-wwn", &len);
1630 if (val && len >= WWN_SIZE)
1631 memcpy(nv->port_name, val, WWN_SIZE);
1632
1633 val = of_get_property(dp, "node-wwn", &len);
1634 if (val && len >= WWN_SIZE)
1635 memcpy(nv->node_name, val, WWN_SIZE);
1636#endif
1637}
1638
1da177e4
LT		 1639/*
1640* NVRAM configuration for ISP 2xxx
1641*
1642* Input:
1643* ha = adapter block pointer.
1644*
1645* Output:
1646* initialization control block in response_ring
1647* host adapters parameters in host adapter block
1648*
1649* Returns:
1650* 0 = success.
1651*/
abbd8870 1652int
e315cd28 1653qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1654{
4e08df3f 1655 int rval;
0107109e
AV		 1656 uint8_t chksum = 0;
1657 uint16_t cnt;
1658 uint8_t *dptr1, *dptr2;
e315cd28 1659 struct qla_hw_data *ha = vha->hw;
0107109e 1660 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1661 nvram_t *nv = ha->nvram;
1662 uint8_t *ptr = ha->nvram;
3d71644c 1663 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1664
4e08df3f
DM		 1665 rval = QLA_SUCCESS;
1666
1da177e4 1667 /* Determine NVRAM starting address. */
0107109e 1668 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1669 ha->nvram_base = 0;
1670 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1671 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1672 ha->nvram_base = 0x80;
1673
1674 /* Get NVRAM data and calculate checksum. */
e315cd28 1675 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1676 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1677 chksum += *ptr++;
1da177e4 1678
e315cd28 1679 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1680 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1681
1682 /* Bad NVRAM data, set defaults parameters. */
1683 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1684 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1685 /* Reset NVRAM data. */
1686 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1687 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1688 nv->nvram_version);
4e08df3f
DM		 1689 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1690 "invalid -- WWPN) defaults.\n");
1691
1692 /*
1693 * Set default initialization control block.
1694 */
1695 memset(nv, 0, ha->nvram_size);
1696 nv->parameter_block_version = ICB_VERSION;
1697
1698 if (IS_QLA23XX(ha)) {
1699 nv->firmware_options[0] = BIT_2 | BIT_1;
1700 nv->firmware_options[1] = BIT_7 | BIT_5;
1701 nv->add_firmware_options[0] = BIT_5;
1702 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1703 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1704 nv->special_options[1] = BIT_7;
1705 } else if (IS_QLA2200(ha)) {
1706 nv->firmware_options[0] = BIT_2 | BIT_1;
1707 nv->firmware_options[1] = BIT_7 | BIT_5;
1708 nv->add_firmware_options[0] = BIT_5;
1709 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1710 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1711 } else if (IS_QLA2100(ha)) {
1712 nv->firmware_options[0] = BIT_3 | BIT_1;
1713 nv->firmware_options[1] = BIT_5;
1714 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1715 }
1716
1717 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1718 nv->execution_throttle = __constant_cpu_to_le16(16);
1719 nv->retry_count = 8;
1720 nv->retry_delay = 1;
1721
1722 nv->port_name[0] = 33;
1723 nv->port_name[3] = 224;
1724 nv->port_name[4] = 139;
1725
e315cd28 1726 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1727
1728 nv->login_timeout = 4;
1729
1730 /*
1731 * Set default host adapter parameters
1732 */
1733 nv->host_p[1] = BIT_2;
1734 nv->reset_delay = 5;
1735 nv->port_down_retry_count = 8;
1736 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1737 nv->link_down_timeout = 60;
1738
1739 rval = 1;
1da177e4
LT		 1740 }
1741
1742#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1743 /*
1744 * The SN2 does not provide BIOS emulation which means you can't change
1745 * potentially bogus BIOS settings. Force the use of default settings
1746 * for link rate and frame size. Hope that the rest of the settings
1747 * are valid.
1748 */
1749 if (ia64_platform_is("sn2")) {
1750 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1751 if (IS_QLA23XX(ha))
1752 nv->special_options[1] = BIT_7;
1753 }
1754#endif
1755
1756 /* Reset Initialization control block */
0107109e 1757 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1758
1759 /*
1760 * Setup driver NVRAM options.
1761 */
1762 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1763 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1764 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1765 nv->firmware_options[1] &= ~BIT_4;
1766
1767 if (IS_QLA23XX(ha)) {
1768 nv->firmware_options[0] |= BIT_2;
1769 nv->firmware_options[0] &= ~BIT_3;
0107109e 1770 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1771
1772 if (IS_QLA2300(ha)) {
1773 if (ha->fb_rev == FPM_2310) {
1774 strcpy(ha->model_number, "QLA2310");
1775 } else {
1776 strcpy(ha->model_number, "QLA2300");
1777 }
1778 } else {
e315cd28 1779 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1780 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1781 }
1782 } else if (IS_QLA2200(ha)) {
1783 nv->firmware_options[0] |= BIT_2;
1784 /*
1785 * 'Point-to-point preferred, else loop' is not a safe
1786 * connection mode setting.
1787 */
1788 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1789 (BIT_5 | BIT_4)) {
1790 /* Force 'loop preferred, else point-to-point'. */
1791 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1792 nv->add_firmware_options[0] |= BIT_5;
1793 }
1794 strcpy(ha->model_number, "QLA22xx");
1795 } else /*if (IS_QLA2100(ha))*/ {
1796 strcpy(ha->model_number, "QLA2100");
1797 }
1798
1799 /*
1800 * Copy over NVRAM RISC parameter block to initialization control block.
1801 */
1802 dptr1 = (uint8_t *)icb;
1803 dptr2 = (uint8_t *)&nv->parameter_block_version;
1804 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1805 while (cnt--)
1806 *dptr1++ = *dptr2++;
1807
1808 /* Copy 2nd half. */
1809 dptr1 = (uint8_t *)icb->add_firmware_options;
1810 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1811 while (cnt--)
1812 *dptr1++ = *dptr2++;
1813
5341e868
AV		 1814 /* Use alternate WWN? */
1815 if (nv->host_p[1] & BIT_7) {
1816 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1817 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1818 }
1819
1da177e4
LT		 1820 /* Prepare nodename */
1821 if ((icb->firmware_options[1] & BIT_6) == 0) {
1822 /*
1823 * Firmware will apply the following mask if the nodename was
1824 * not provided.
1825 */
1826 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1827 icb->node_name[0] &= 0xF0;
1828 }
1829
1830 /*
1831 * Set host adapter parameters.
1832 */
0181944f 1833 if (nv->host_p[0] & BIT_7)
11010fec 1834 ql2xextended_error_logging = 1;
1da177e4
LT		 1835 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1836 /* Always load RISC code on non ISP2[12]00 chips. */
1837 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1838 ha->flags.disable_risc_code_load = 0;
1839 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1840 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1841 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1842 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1843 ha->flags.disable_serdes = 0;
1da177e4
LT		 1844
1845 ha->operating_mode =
1846 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1847
1848 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1849 sizeof(ha->fw_seriallink_options));
1850
1851 /* save HBA serial number */
1852 ha->serial0 = icb->port_name[5];
1853 ha->serial1 = icb->port_name[6];
1854 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1855 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1856 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1857
1858 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1859
1860 ha->retry_count = nv->retry_count;
1861
1862 /* Set minimum login_timeout to 4 seconds. */
1863 if (nv->login_timeout < ql2xlogintimeout)
1864 nv->login_timeout = ql2xlogintimeout;
1865 if (nv->login_timeout < 4)
1866 nv->login_timeout = 4;
1867 ha->login_timeout = nv->login_timeout;
1868 icb->login_timeout = nv->login_timeout;
1869
00a537b8
AV		 1870 /* Set minimum RATOV to 100 tenths of a second. */
1871 ha->r_a_tov = 100;
1da177e4 1872
1da177e4
LT		 1873 ha->loop_reset_delay = nv->reset_delay;
1874
1da177e4
LT		 1875 /* Link Down Timeout = 0:
1876 *
1877 * When Port Down timer expires we will start returning
1878 * I/O's to OS with "DID_NO_CONNECT".
1879 *
1880 * Link Down Timeout != 0:
1881 *
1882 * The driver waits for the link to come up after link down
1883 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1884 */
1da177e4
LT		 1885 if (nv->link_down_timeout == 0) {
1886 ha->loop_down_abort_time =
354d6b21 1887 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1888 } else {
1889 ha->link_down_timeout = nv->link_down_timeout;
1890 ha->loop_down_abort_time =
1891 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1892 }
1da177e4 1893
1da177e4
LT		 1894 /*
1895 * Need enough time to try and get the port back.
1896 */
1897 ha->port_down_retry_count = nv->port_down_retry_count;
1898 if (qlport_down_retry)
1899 ha->port_down_retry_count = qlport_down_retry;
1900 /* Set login_retry_count */
1901 ha->login_retry_count = nv->retry_count;
1902 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1903 ha->port_down_retry_count > 3)
1904 ha->login_retry_count = ha->port_down_retry_count;
1905 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1906 ha->login_retry_count = ha->port_down_retry_count;
1907 if (ql2xloginretrycount)
1908 ha->login_retry_count = ql2xloginretrycount;
1909
1da177e4
LT		 1910 icb->lun_enables = __constant_cpu_to_le16(0);
1911 icb->command_resource_count = 0;
1912 icb->immediate_notify_resource_count = 0;
1913 icb->timeout = __constant_cpu_to_le16(0);
1914
1915 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1916 /* Enable RIO */
1917 icb->firmware_options[0] &= ~BIT_3;
1918 icb->add_firmware_options[0] &=
1919 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1920 icb->add_firmware_options[0] |= BIT_2;
1921 icb->response_accumulation_timer = 3;
1922 icb->interrupt_delay_timer = 5;
1923
e315cd28 1924 vha->flags.process_response_queue = 1;
1da177e4 1925 } else {
4fdfefe5 1926 /* Enable ZIO. */
e315cd28 1927 if (!vha->flags.init_done) {
4fdfefe5
AV		 1928 ha->zio_mode = icb->add_firmware_options[0] &
1929 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1930 ha->zio_timer = icb->interrupt_delay_timer ?
1931 icb->interrupt_delay_timer: 2;
1932 }
1da177e4
LT		 1933 icb->add_firmware_options[0] &=
1934 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1935 vha->flags.process_response_queue = 0;
4fdfefe5 1936 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 1937 ha->zio_mode = QLA_ZIO_MODE_6;
1938
4fdfefe5 1939 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1940 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1941 ha->zio_timer * 100));
1da177e4 1942 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1943 "ZIO mode %d enabled; timer delay (%d us).\n",
1944 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1945
4fdfefe5
AV		 1946 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1947 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1948 vha->flags.process_response_queue = 1;
1da177e4
LT		 1949 }
1950 }
1951
4e08df3f
DM		 1952 if (rval) {
1953 DEBUG2_3(printk(KERN_WARNING
e315cd28 1954 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1955 }
1956 return (rval);
1da177e4
LT		 1957}
1958
19a7b4ae
JSEC		 1959static void
1960qla2x00_rport_del(void *data)
1961{
1962 fc_port_t *fcport = data;
d97994dc 1963 struct fc_rport *rport;
d97994dc 1964
e315cd28 1965 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc 1966 rport = fcport->drport;
1967 fcport->drport = NULL;
e315cd28 1968 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 1969 if (rport)
1970 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1971}
1972
1da177e4
LT		 1973/**
1974 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1975 * @ha: HA context
1976 * @flags: allocation flags
1977 *
1978 * Returns a pointer to the allocated fcport, or NULL, if none available.
1979 */
413975a0 1980static fc_port_t *
e315cd28 1981qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1982{
1983 fc_port_t *fcport;
1984
bbfbbbc1
MK		 1985 fcport = kzalloc(sizeof(fc_port_t), flags);
1986 if (!fcport)
1987 return NULL;
1da177e4
LT		 1988
1989 /* Setup fcport template structure. */
e315cd28
AC		 1990 fcport->vha = vha;
1991 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 1992 fcport->port_type = FCT_UNKNOWN;
1993 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1994 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1995 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1996 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1997
bbfbbbc1 1998 return fcport;
1da177e4
LT		 1999}
2000
2001/*
2002 * qla2x00_configure_loop
2003 * Updates Fibre Channel Device Database with what is actually on loop.
2004 *
2005 * Input:
2006 * ha = adapter block pointer.
2007 *
2008 * Returns:
2009 * 0 = success.
2010 * 1 = error.
2011 * 2 = database was full and device was not configured.
2012 */
2013static int
e315cd28 2014qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2015{
2016 int rval;
2017 unsigned long flags, save_flags;
e315cd28 2018 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2019 rval = QLA_SUCCESS;
2020
2021 /* Get Initiator ID */
e315cd28
AC		 2022 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2023 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 2024 if (rval != QLA_SUCCESS) {
2025 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 2026 vha->host_no));
1da177e4
LT		 2027 return (rval);
2028 }
2029 }
2030
e315cd28 2031 save_flags = flags = vha->dpc_flags;
1da177e4 2032 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 2033 vha->host_no, flags));
1da177e4
LT		 2034
2035 /*
2036 * If we have both an RSCN and PORT UPDATE pending then handle them
2037 * both at the same time.
2038 */
e315cd28
AC		 2039 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2040 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2041
2042 /* Determine what we need to do */
2043 if (ha->current_topology == ISP_CFG_FL &&
2044 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2045
e315cd28 2046 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2047 set_bit(RSCN_UPDATE, &flags);
2048
2049 } else if (ha->current_topology == ISP_CFG_F &&
2050 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2051
e315cd28 2052 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2053 set_bit(RSCN_UPDATE, &flags);
2054 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2055
2056 } else if (ha->current_topology == ISP_CFG_N) {
2057 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2058
e315cd28 2059 } else if (!vha->flags.online ||
1da177e4
LT		 2060 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2061
e315cd28 2062 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2063 set_bit(RSCN_UPDATE, &flags);
2064 set_bit(LOCAL_LOOP_UPDATE, &flags);
2065 }
2066
2067 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2068 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2069 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2070 else
2071 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2072 }
2073
2074 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2075 if (LOOP_TRANSITION(vha))
1da177e4 2076 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2077 else
2078 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2079 }
2080
2081 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2082 if (atomic_read(&vha->loop_down_timer) ||
2083 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2084 rval = QLA_FUNCTION_FAILED;
2085 } else {
e315cd28 2086 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2087
e315cd28 2088 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2089 }
2090 }
2091
2092 if (rval) {
2093 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2094 __func__, vha->host_no));
1da177e4
LT		 2095 } else {
2096 DEBUG3(printk("%s: exiting normally\n", __func__));
2097 }
2098
cc3ef7bc 2099 /* Restore state if a resync event occurred during processing */
e315cd28 2100 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2101 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2102 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
73208dfd 2103 if (test_bit(RSCN_UPDATE, &save_flags))
e315cd28 2104 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2105 }
2106
2107 return (rval);
2108}
2109
2110
2111
2112/*
2113 * qla2x00_configure_local_loop
2114 * Updates Fibre Channel Device Database with local loop devices.
2115 *
2116 * Input:
2117 * ha = adapter block pointer.
2118 *
2119 * Returns:
2120 * 0 = success.
2121 */
2122static int
e315cd28 2123qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2124{
2125 int rval, rval2;
2126 int found_devs;
2127 int found;
2128 fc_port_t *fcport, *new_fcport;
2129
2130 uint16_t index;
2131 uint16_t entries;
2132 char *id_iter;
2133 uint16_t loop_id;
2134 uint8_t domain, area, al_pa;
e315cd28 2135 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2136
2137 found_devs = 0;
2138 new_fcport = NULL;
2139 entries = MAX_FIBRE_DEVICES;
2140
e315cd28
AC		 2141 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2142 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2143
2144 /* Get list of logged in devices. */
2145 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2146 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2147 &entries);
2148 if (rval != QLA_SUCCESS)
2149 goto cleanup_allocation;
2150
2151 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2152 ha->host_no, entries));
2153 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2154 entries * sizeof(struct gid_list_info)));
2155
2156 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2157 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2158 if (new_fcport == NULL) {
2159 rval = QLA_MEMORY_ALLOC_FAILED;
2160 goto cleanup_allocation;
2161 }
2162 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2163
2164 /*
2165 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2166 */
e315cd28 2167 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2168 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2169 fcport->port_type != FCT_BROADCAST &&
2170 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2171
2172 DEBUG(printk("scsi(%ld): Marking port lost, "
2173 "loop_id=0x%04x\n",
e315cd28 2174 vha->host_no, fcport->loop_id));
1da177e4
LT		 2175
2176 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2177 fcport->flags &= ~FCF_FARP_DONE;
2178 }
2179 }
2180
2181 /* Add devices to port list. */
2182 id_iter = (char *)ha->gid_list;
2183 for (index = 0; index < entries; index++) {
2184 domain = ((struct gid_list_info *)id_iter)->domain;
2185 area = ((struct gid_list_info *)id_iter)->area;
2186 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2187 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2188 loop_id = (uint16_t)
2189 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2190 else
1da177e4
LT		 2191 loop_id = le16_to_cpu(
2192 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2193 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2194
2195 /* Bypass reserved domain fields. */
2196 if ((domain & 0xf0) == 0xf0)
2197 continue;
2198
2199 /* Bypass if not same domain and area of adapter. */
f7d289f6 2200 if (area && domain &&
e315cd28 2201 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2202 continue;
2203
2204 /* Bypass invalid local loop ID. */
2205 if (loop_id > LAST_LOCAL_LOOP_ID)
2206 continue;
2207
2208 /* Fill in member data. */
2209 new_fcport->d_id.b.domain = domain;
2210 new_fcport->d_id.b.area = area;
2211 new_fcport->d_id.b.al_pa = al_pa;
2212 new_fcport->loop_id = loop_id;
e315cd28
AC		 2213 new_fcport->vp_idx = vha->vp_idx;
2214 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2215 if (rval2 != QLA_SUCCESS) {
2216 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2217 "information -- get_port_database=%x, "
2218 "loop_id=0x%04x\n",
e315cd28 2219 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2220 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2221 vha->host_no));
2222 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2223 continue;
2224 }
2225
2226 /* Check for matching device in port list. */
2227 found = 0;
2228 fcport = NULL;
e315cd28 2229 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2230 if (memcmp(new_fcport->port_name, fcport->port_name,
2231 WWN_SIZE))
2232 continue;
2233
2234 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2235 FCF_PERSISTENT_BOUND);
2236 fcport->loop_id = new_fcport->loop_id;
2237 fcport->port_type = new_fcport->port_type;
2238 fcport->d_id.b24 = new_fcport->d_id.b24;
2239 memcpy(fcport->node_name, new_fcport->node_name,
2240 WWN_SIZE);
2241
2242 found++;
2243 break;
2244 }
2245
2246 if (!found) {
2247 /* New device, add to fcports list. */
2248 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
e315cd28
AC		 2249 if (vha->vp_idx) {
2250 new_fcport->vha = vha;
2251 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2252 }
e315cd28 2253 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2254
2255 /* Allocate a new replacement fcport. */
2256 fcport = new_fcport;
e315cd28 2257 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2258 if (new_fcport == NULL) {
2259 rval = QLA_MEMORY_ALLOC_FAILED;
2260 goto cleanup_allocation;
2261 }
2262 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2263 }
2264
d8b45213 2265 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2266 fcport->fp_speed = ha->link_data_rate;
d8b45213 2267
e315cd28 2268 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2269
2270 found_devs++;
2271 }
2272
2273cleanup_allocation:
c9475cb0 2274 kfree(new_fcport);
1da177e4
LT		 2275
2276 if (rval != QLA_SUCCESS) {
2277 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2278 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2279 }
2280
2281 if (found_devs) {
e315cd28
AC		 2282 vha->device_flags |= DFLG_LOCAL_DEVICES;
2283 vha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1da177e4
LT		 2284 }
2285
2286 return (rval);
2287}
2288
d8b45213 2289static void
e315cd28 2290qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2291{
2292#define LS_UNKNOWN 2
a3cbdfad 2293 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2294 int rval;
a3cbdfad 2295 uint16_t mb[6];
e315cd28 2296 struct qla_hw_data *ha = vha->hw;
d8b45213 2297
c76f2c01 2298 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2299 return;
2300
39bd9622
AV		 2301 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2302 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2303 return;
2304
e315cd28 2305 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2306 mb);
d8b45213
AV		 2307 if (rval != QLA_SUCCESS) {
2308 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2309 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2310 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2311 fcport->port_name[2], fcport->port_name[3],
2312 fcport->port_name[4], fcport->port_name[5],
2313 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2314 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2315 } else {
2316 DEBUG2(qla_printk(KERN_INFO, ha,
2317 "iIDMA adjusted to %s GB/s on "
2318 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2319 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2320 fcport->port_name[1], fcport->port_name[2],
2321 fcport->port_name[3], fcport->port_name[4],
2322 fcport->port_name[5], fcport->port_name[6],
2323 fcport->port_name[7]));
2324 }
2325}
2326
23be331d 2327static void
e315cd28 2328qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118 2329{
2330 struct fc_rport_identifiers rport_ids;
bdf79621 2331 struct fc_rport *rport;
e315cd28 2332 struct qla_hw_data *ha = vha->hw;
8482e118 2333
d97994dc 2334 if (fcport->drport)
2335 qla2x00_rport_del(fcport);
8482e118 2336
f8b02a85
AV		 2337 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2338 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2339 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2340 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2341 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2342 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2343 if (!rport) {
2344 qla_printk(KERN_WARNING, ha,
2345 "Unable to allocate fc remote port!\n");
2346 return;
2347 }
e315cd28 2348 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2349 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2350 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2351
ad3e0eda 2352 rport->supported_classes = fcport->supported_classes;
77d74143 2353
8482e118 2354 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2355 if (fcport->port_type == FCT_INITIATOR)
2356 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2357 if (fcport->port_type == FCT_TARGET)
2358 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2359 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2360}
2361
23be331d
AB		 2362/*
2363 * qla2x00_update_fcport
2364 * Updates device on list.
2365 *
2366 * Input:
2367 * ha = adapter block pointer.
2368 * fcport = port structure pointer.
2369 *
2370 * Return:
2371 * 0 - Success
2372 * BIT_0 - error
2373 *
2374 * Context:
2375 * Kernel context.
2376 */
2377void
e315cd28 2378qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2379{
e315cd28 2380 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2381
e315cd28 2382 fcport->vha = vha;
23be331d 2383 fcport->login_retry = 0;
e315cd28 2384 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2385 PORT_RETRY_TIME;
e315cd28 2386 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2387 PORT_RETRY_TIME);
2388 fcport->flags &= ~FCF_LOGIN_NEEDED;
2389
e315cd28 2390 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2391
2392 atomic_set(&fcport->state, FCS_ONLINE);
2393
e315cd28 2394 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2395}
2396
1da177e4
LT		 2397/*
2398 * qla2x00_configure_fabric
2399 * Setup SNS devices with loop ID's.
2400 *
2401 * Input:
2402 * ha = adapter block pointer.
2403 *
2404 * Returns:
2405 * 0 = success.
2406 * BIT_0 = error
2407 */
2408static int
e315cd28 2409qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2410{
2411 int rval, rval2;
2412 fc_port_t *fcport, *fcptemp;
2413 uint16_t next_loopid;
2414 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2415 uint16_t loop_id;
1da177e4 2416 LIST_HEAD(new_fcports);
e315cd28
AC		 2417 struct qla_hw_data *ha = vha->hw;
2418 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2419
2420 /* If FL port exists, then SNS is present */
e428924c 2421 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2422 loop_id = NPH_F_PORT;
2423 else
2424 loop_id = SNS_FL_PORT;
e315cd28 2425 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2426 if (rval != QLA_SUCCESS) {
2427 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2428 "Port\n", vha->host_no));
1da177e4 2429
e315cd28 2430 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2431 return (QLA_SUCCESS);
2432 }
e315cd28 2433 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2434
2435 /* Mark devices that need re-synchronization. */
e315cd28 2436 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2437 if (rval2 == QLA_RSCNS_HANDLED) {
2438 /* No point doing the scan, just continue. */
2439 return (QLA_SUCCESS);
2440 }
2441 do {
cca5335c
AV		 2442 /* FDMI support. */
2443 if (ql2xfdmienable &&
e315cd28
AC		 2444 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2445 qla2x00_fdmi_register(vha);
cca5335c 2446
1da177e4 2447 /* Ensure we are logged into the SNS. */
e428924c 2448 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2449 loop_id = NPH_SNS;
2450 else
2451 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2452 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2453 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2454 if (mb[0] != MBS_COMMAND_COMPLETE) {
2455 DEBUG2(qla_printk(KERN_INFO, ha,
2456 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2457 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2458 mb[0], mb[1], mb[2], mb[6], mb[7]));
2459 return (QLA_SUCCESS);
2460 }
2461
e315cd28
AC		 2462 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2463 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2464 /* EMPTY */
2465 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2466 "TYPE failed.\n", vha->host_no));
1da177e4 2467 }
e315cd28 2468 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2469 /* EMPTY */
2470 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2471 "Features failed.\n", vha->host_no));
1da177e4 2472 }
e315cd28 2473 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2474 /* EMPTY */
2475 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2476 "failed.\n", vha->host_no));
2477 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2478 /* EMPTY */
2479 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2480 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2481 }
2482 }
2483
e315cd28 2484 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2485 if (rval != QLA_SUCCESS)
2486 break;
2487
2488 /*
2489 * Logout all previous fabric devices marked lost, except
2490 * tape devices.
2491 */
e315cd28
AC		 2492 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2493 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2494 break;
2495
2496 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2497 continue;
2498
2499 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2500 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2501 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2502 if (fcport->loop_id != FC_NO_LOOP_ID &&
2503 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2504 fcport->port_type != FCT_INITIATOR &&
2505 fcport->port_type != FCT_BROADCAST) {
e315cd28 2506 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2507 fcport->loop_id,
2508 fcport->d_id.b.domain,
2509 fcport->d_id.b.area,
2510 fcport->d_id.b.al_pa);
1da177e4
LT		 2511 fcport->loop_id = FC_NO_LOOP_ID;
2512 }
2513 }
2514 }
2515
2516 /* Starting free loop ID. */
e315cd28 2517 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2518
2519 /*
2520 * Scan through our port list and login entries that need to be
2521 * logged in.
2522 */
e315cd28
AC		 2523 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2524 if (atomic_read(&vha->loop_down_timer) ||
2525 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2526 break;
2527
2528 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2529 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2530 continue;
2531
2532 if (fcport->loop_id == FC_NO_LOOP_ID) {
2533 fcport->loop_id = next_loopid;
d4486fd6 2534 rval = qla2x00_find_new_loop_id(
e315cd28 2535 base_vha, fcport);
1da177e4
LT		 2536 if (rval != QLA_SUCCESS) {
2537 /* Ran out of IDs to use */
2538 break;
2539 }
2540 }
1da177e4 2541 /* Login and update database */
e315cd28 2542 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2543 }
2544
2545 /* Exit if out of loop IDs. */
2546 if (rval != QLA_SUCCESS) {
2547 break;
2548 }
2549
2550 /*
2551 * Login and add the new devices to our port list.
2552 */
2553 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2554 if (atomic_read(&vha->loop_down_timer) ||
2555 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2556 break;
2557
2558 /* Find a new loop ID to use. */
2559 fcport->loop_id = next_loopid;
e315cd28 2560 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2561 if (rval != QLA_SUCCESS) {
2562 /* Ran out of IDs to use */
2563 break;
2564 }
2565
bdf79621 2566 /* Login and update database */
e315cd28
AC		 2567 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2568
2569 if (vha->vp_idx) {
2570 fcport->vha = vha;
2571 fcport->vp_idx = vha->vp_idx;
2572 }
2573 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2574 }
2575 } while (0);
2576
2577 /* Free all new device structures not processed. */
2578 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2579 list_del(&fcport->list);
2580 kfree(fcport);
2581 }
2582
2583 if (rval) {
2584 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2585 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2586 }
2587
2588 return (rval);
2589}
2590
2591
2592/*
2593 * qla2x00_find_all_fabric_devs
2594 *
2595 * Input:
2596 * ha = adapter block pointer.
2597 * dev = database device entry pointer.
2598 *
2599 * Returns:
2600 * 0 = success.
2601 *
2602 * Context:
2603 * Kernel context.
2604 */
2605static int
e315cd28
AC		 2606qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2607 struct list_head *new_fcports)
1da177e4
LT		 2608{
2609 int rval;
2610 uint16_t loop_id;
2611 fc_port_t *fcport, *new_fcport, *fcptemp;
2612 int found;
2613
2614 sw_info_t *swl;
2615 int swl_idx;
2616 int first_dev, last_dev;
2617 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2618 struct qla_hw_data *ha = vha->hw;
2619 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2620 struct scsi_qla_host *tvp;
1da177e4
LT		 2621
2622 rval = QLA_SUCCESS;
2623
2624 /* Try GID_PT to get device list, else GAN. */
4b89258c 2625 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2626 if (!swl) {
1da177e4
LT		 2627 /*EMPTY*/
2628 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2629 "on GA_NXT\n", vha->host_no));
1da177e4 2630 } else {
e315cd28 2631 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2632 kfree(swl);
2633 swl = NULL;
e315cd28 2634 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2635 kfree(swl);
2636 swl = NULL;
e315cd28 2637 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2638 kfree(swl);
2639 swl = NULL;
e5896bd5 2640 } else if (ql2xiidmaenable &&
e315cd28
AC		 2641 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2642 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2643 }
2644 }
2645 swl_idx = 0;
2646
2647 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2648 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2649 if (new_fcport == NULL) {
c9475cb0 2650 kfree(swl);
1da177e4
LT		 2651 return (QLA_MEMORY_ALLOC_FAILED);
2652 }
2653 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2654 /* Set start port ID scan at adapter ID. */
2655 first_dev = 1;
2656 last_dev = 0;
2657
2658 /* Starting free loop ID. */
e315cd28
AC		 2659 loop_id = ha->min_external_loopid;
2660 for (; loop_id <= ha->max_loop_id; loop_id++) {
2661 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2662 continue;
2663
e315cd28 2664 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2665 break;
2666
2667 if (swl != NULL) {
2668 if (last_dev) {
2669 wrap.b24 = new_fcport->d_id.b24;
2670 } else {
2671 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2672 memcpy(new_fcport->node_name,
2673 swl[swl_idx].node_name, WWN_SIZE);
2674 memcpy(new_fcport->port_name,
2675 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2676 memcpy(new_fcport->fabric_port_name,
2677 swl[swl_idx].fabric_port_name, WWN_SIZE);
2678 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2679
2680 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2681 last_dev = 1;
2682 }
2683 swl_idx++;
2684 }
2685 } else {
2686 /* Send GA_NXT to the switch */
e315cd28 2687 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2688 if (rval != QLA_SUCCESS) {
2689 qla_printk(KERN_WARNING, ha,
2690 "SNS scan failed -- assuming zero-entry "
2691 "result...\n");
2692 list_for_each_entry_safe(fcport, fcptemp,
2693 new_fcports, list) {
2694 list_del(&fcport->list);
2695 kfree(fcport);
2696 }
2697 rval = QLA_SUCCESS;
2698 break;
2699 }
2700 }
2701
2702 /* If wrap on switch device list, exit. */
2703 if (first_dev) {
2704 wrap.b24 = new_fcport->d_id.b24;
2705 first_dev = 0;
2706 } else if (new_fcport->d_id.b24 == wrap.b24) {
2707 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2708 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2709 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2710 break;
2711 }
2712
2c3dfe3f 2713 /* Bypass if same physical adapter. */
e315cd28 2714 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2715 continue;
2716
2c3dfe3f 2717 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2718 found = 0;
2719 if (ha->num_vhosts) {
ee546b6e 2720 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2721 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2722 found = 1;
2c3dfe3f 2723 break;
e315cd28 2724 }
2c3dfe3f 2725 }
e315cd28 2726 if (found)
2c3dfe3f
SJ		 2727 continue;
2728 }
2729
f7d289f6
AV		 2730 /* Bypass if same domain and area of adapter. */
2731 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 2732 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 2733 ISP_CFG_FL)
2734 continue;
2735
1da177e4
LT		 2736 /* Bypass reserved domain fields. */
2737 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2738 continue;
2739
2740 /* Locate matching device in database. */
2741 found = 0;
e315cd28 2742 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2743 if (memcmp(new_fcport->port_name, fcport->port_name,
2744 WWN_SIZE))
2745 continue;
2746
2747 found++;
2748
d8b45213
AV		 2749 /* Update port state. */
2750 memcpy(fcport->fabric_port_name,
2751 new_fcport->fabric_port_name, WWN_SIZE);
2752 fcport->fp_speed = new_fcport->fp_speed;
2753
1da177e4
LT		 2754 /*
2755 * If address the same and state FCS_ONLINE, nothing
2756 * changed.
2757 */
2758 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2759 atomic_read(&fcport->state) == FCS_ONLINE) {
2760 break;
2761 }
2762
2763 /*
2764 * If device was not a fabric device before.
2765 */
2766 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2767 fcport->d_id.b24 = new_fcport->d_id.b24;
2768 fcport->loop_id = FC_NO_LOOP_ID;
2769 fcport->flags |= (FCF_FABRIC_DEVICE |
2770 FCF_LOGIN_NEEDED);
2771 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2772 break;
2773 }
2774
2775 /*
2776 * Port ID changed or device was marked to be updated;
2777 * Log it out if still logged in and mark it for
2778 * relogin later.
2779 */
2780 fcport->d_id.b24 = new_fcport->d_id.b24;
2781 fcport->flags |= FCF_LOGIN_NEEDED;
2782 if (fcport->loop_id != FC_NO_LOOP_ID &&
2783 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2784 fcport->port_type != FCT_INITIATOR &&
2785 fcport->port_type != FCT_BROADCAST) {
e315cd28 2786 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2787 fcport->d_id.b.domain, fcport->d_id.b.area,
2788 fcport->d_id.b.al_pa);
1da177e4
LT		 2789 fcport->loop_id = FC_NO_LOOP_ID;
2790 }
2791
2792 break;
2793 }
2794
2795 if (found)
2796 continue;
1da177e4
LT		 2797 /* If device was not in our fcports list, then add it. */
2798 list_add_tail(&new_fcport->list, new_fcports);
2799
2800 /* Allocate a new replacement fcport. */
2801 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2802 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2803 if (new_fcport == NULL) {
c9475cb0 2804 kfree(swl);
1da177e4
LT		 2805 return (QLA_MEMORY_ALLOC_FAILED);
2806 }
2807 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2808 new_fcport->d_id.b24 = nxt_d_id.b24;
2809 }
2810
c9475cb0
JJ		 2811 kfree(swl);
2812 kfree(new_fcport);
1da177e4
LT		 2813
2814 if (!list_empty(new_fcports))
e315cd28 2815 vha->device_flags |= DFLG_FABRIC_DEVICES;
1da177e4
LT		 2816
2817 return (rval);
2818}
2819
2820/*
2821 * qla2x00_find_new_loop_id
2822 * Scan through our port list and find a new usable loop ID.
2823 *
2824 * Input:
2825 * ha: adapter state pointer.
2826 * dev: port structure pointer.
2827 *
2828 * Returns:
2829 * qla2x00 local function return status code.
2830 *
2831 * Context:
2832 * Kernel context.
2833 */
413975a0 2834static int
e315cd28 2835qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2836{
2837 int rval;
2838 int found;
2839 fc_port_t *fcport;
2840 uint16_t first_loop_id;
e315cd28
AC		 2841 struct qla_hw_data *ha = vha->hw;
2842 struct scsi_qla_host *vp;
ee546b6e 2843 struct scsi_qla_host *tvp;
1da177e4
LT		 2844
2845 rval = QLA_SUCCESS;
2846
2847 /* Save starting loop ID. */
2848 first_loop_id = dev->loop_id;
2849
2850 for (;;) {
2851 /* Skip loop ID if already used by adapter. */
e315cd28 2852 if (dev->loop_id == vha->loop_id)
1da177e4 2853 dev->loop_id++;
1da177e4
LT		 2854
2855 /* Skip reserved loop IDs. */
e315cd28 2856 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2857 dev->loop_id++;
1da177e4
LT		 2858
2859 /* Reset loop ID if passed the end. */
e315cd28 2860 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2861 /* first loop ID. */
2862 dev->loop_id = ha->min_external_loopid;
2863 }
2864
2865 /* Check for loop ID being already in use. */
2866 found = 0;
2867 fcport = NULL;
ee546b6e 2868 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2869 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2870 if (fcport->loop_id == dev->loop_id &&
2871 fcport != dev) {
2872 /* ID possibly in use */
2873 found++;
2874 break;
2875 }
1da177e4 2876 }
e315cd28
AC		 2877 if (found)
2878 break;
1da177e4
LT		 2879 }
2880
2881 /* If not in use then it is free to use. */
2882 if (!found) {
2883 break;
2884 }
2885
2886 /* ID in use. Try next value. */
2887 dev->loop_id++;
2888
2889 /* If wrap around. No free ID to use. */
2890 if (dev->loop_id == first_loop_id) {
2891 dev->loop_id = FC_NO_LOOP_ID;
2892 rval = QLA_FUNCTION_FAILED;
2893 break;
2894 }
2895 }
2896
2897 return (rval);
2898}
2899
2900/*
2901 * qla2x00_device_resync
2902 * Marks devices in the database that needs resynchronization.
2903 *
2904 * Input:
2905 * ha = adapter block pointer.
2906 *
2907 * Context:
2908 * Kernel context.
2909 */
2910static int
e315cd28 2911qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2912{
2913 int rval;
1da177e4
LT		 2914 uint32_t mask;
2915 fc_port_t *fcport;
2916 uint32_t rscn_entry;
2917 uint8_t rscn_out_iter;
2918 uint8_t format;
2919 port_id_t d_id;
2920
2921 rval = QLA_RSCNS_HANDLED;
2922
e315cd28
AC		 2923 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2924 vha->flags.rscn_queue_overflow) {
1da177e4 2925
e315cd28 2926 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2927 format = MSB(MSW(rscn_entry));
2928 d_id.b.domain = LSB(MSW(rscn_entry));
2929 d_id.b.area = MSB(LSW(rscn_entry));
2930 d_id.b.al_pa = LSB(LSW(rscn_entry));
2931
2932 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2933 "[%02x/%02x%02x%02x].\n",
e315cd28 2934 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2935 d_id.b.area, d_id.b.al_pa));
2936
e315cd28
AC		 2937 vha->rscn_out_ptr++;
2938 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2939 vha->rscn_out_ptr = 0;
1da177e4
LT		 2940
2941 /* Skip duplicate entries. */
e315cd28
AC		 2942 for (rscn_out_iter = vha->rscn_out_ptr;
2943 !vha->flags.rscn_queue_overflow &&
2944 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2945 rscn_out_iter = (rscn_out_iter ==
2946 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2947
e315cd28 2948 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2949 break;
2950
2951 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2952 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2953 rscn_out_iter));
2954
e315cd28 2955 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2956 }
2957
2958 /* Queue overflow, set switch default case. */
e315cd28 2959 if (vha->flags.rscn_queue_overflow) {
1da177e4 2960 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2961 "overflow.\n", vha->host_no));
1da177e4
LT		 2962
2963 format = 3;
e315cd28 2964 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2965 }
2966
2967 switch (format) {
2968 case 0:
1da177e4
LT		 2969 mask = 0xffffff;
2970 break;
2971 case 1:
2972 mask = 0xffff00;
2973 break;
2974 case 2:
2975 mask = 0xff0000;
2976 break;
2977 default:
2978 mask = 0x0;
2979 d_id.b24 = 0;
e315cd28 2980 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2981 break;
2982 }
2983
2984 rval = QLA_SUCCESS;
2985
e315cd28 2986 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2987 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2988 (fcport->d_id.b24 & mask) != d_id.b24 ||
2989 fcport->port_type == FCT_BROADCAST)
2990 continue;
2991
2992 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2993 if (format != 3 ||
2994 fcport->port_type != FCT_INITIATOR) {
e315cd28 2995 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2996 0, 0);
1da177e4
LT		 2997 }
2998 }
2999 fcport->flags &= ~FCF_FARP_DONE;
3000 }
3001 }
3002 return (rval);
3003}
3004
3005/*
3006 * qla2x00_fabric_dev_login
3007 * Login fabric target device and update FC port database.
3008 *
3009 * Input:
3010 * ha: adapter state pointer.
3011 * fcport: port structure list pointer.
3012 * next_loopid: contains value of a new loop ID that can be used
3013 * by the next login attempt.
3014 *
3015 * Returns:
3016 * qla2x00 local function return status code.
3017 *
3018 * Context:
3019 * Kernel context.
3020 */
3021static int
e315cd28 3022qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3023 uint16_t *next_loopid)
3024{
3025 int rval;
3026 int retry;
0107109e 3027 uint8_t opts;
e315cd28 3028 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3029
3030 rval = QLA_SUCCESS;
3031 retry = 0;
3032
e315cd28 3033 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 3034 if (rval == QLA_SUCCESS) {
0107109e
AV		 3035 /* Send an ADISC to tape devices.*/
3036 opts = 0;
3037 if (fcport->flags & FCF_TAPE_PRESENT)
3038 opts |= BIT_1;
e315cd28 3039 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 3040 if (rval != QLA_SUCCESS) {
e315cd28 3041 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3042 fcport->d_id.b.domain, fcport->d_id.b.area,
3043 fcport->d_id.b.al_pa);
e315cd28 3044 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3045 } else {
e315cd28 3046 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3047 }
3048 }
3049
3050 return (rval);
3051}
3052
3053/*
3054 * qla2x00_fabric_login
3055 * Issue fabric login command.
3056 *
3057 * Input:
3058 * ha = adapter block pointer.
3059 * device = pointer to FC device type structure.
3060 *
3061 * Returns:
3062 * 0 - Login successfully
3063 * 1 - Login failed
3064 * 2 - Initiator device
3065 * 3 - Fatal error
3066 */
3067int
e315cd28 3068qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3069 uint16_t *next_loopid)
3070{
3071 int rval;
3072 int retry;
3073 uint16_t tmp_loopid;
3074 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3075 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3076
3077 retry = 0;
3078 tmp_loopid = 0;
3079
3080 for (;;) {
3081 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3082 "for port %02x%02x%02x.\n",
e315cd28 3083 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3084 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3085
3086 /* Login fcport on switch. */
e315cd28 3087 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3088 fcport->d_id.b.domain, fcport->d_id.b.area,
3089 fcport->d_id.b.al_pa, mb, BIT_0);
3090 if (mb[0] == MBS_PORT_ID_USED) {
3091 /*
3092 * Device has another loop ID. The firmware team
0107109e
AV		 3093 * recommends the driver perform an implicit login with
3094 * the specified ID again. The ID we just used is save
3095 * here so we return with an ID that can be tried by
3096 * the next login.
1da177e4
LT		 3097 */
3098 retry++;
3099 tmp_loopid = fcport->loop_id;
3100 fcport->loop_id = mb[1];
3101
3102 DEBUG(printk("Fabric Login: port in use - next "
3103 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3104 fcport->loop_id, fcport->d_id.b.domain,
3105 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3106
3107 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3108 /*
3109 * Login succeeded.
3110 */
3111 if (retry) {
3112 /* A retry occurred before. */
3113 *next_loopid = tmp_loopid;
3114 } else {
3115 /*
3116 * No retry occurred before. Just increment the
3117 * ID value for next login.
3118 */
3119 *next_loopid = (fcport->loop_id + 1);
3120 }
3121
3122 if (mb[1] & BIT_0) {
3123 fcport->port_type = FCT_INITIATOR;
3124 } else {
3125 fcport->port_type = FCT_TARGET;
3126 if (mb[1] & BIT_1) {
3127 fcport->flags |= FCF_TAPE_PRESENT;
3128 }
3129 }
3130
ad3e0eda
AV		 3131 if (mb[10] & BIT_0)
3132 fcport->supported_classes |= FC_COS_CLASS2;
3133 if (mb[10] & BIT_1)
3134 fcport->supported_classes |= FC_COS_CLASS3;
3135
1da177e4
LT		 3136 rval = QLA_SUCCESS;
3137 break;
3138 } else if (mb[0] == MBS_LOOP_ID_USED) {
3139 /*
3140 * Loop ID already used, try next loop ID.
3141 */
3142 fcport->loop_id++;
e315cd28 3143 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3144 if (rval != QLA_SUCCESS) {
3145 /* Ran out of loop IDs to use */
3146 break;
3147 }
3148 } else if (mb[0] == MBS_COMMAND_ERROR) {
3149 /*
3150 * Firmware possibly timed out during login. If NO
3151 * retries are left to do then the device is declared
3152 * dead.
3153 */
3154 *next_loopid = fcport->loop_id;
e315cd28 3155 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3156 fcport->d_id.b.domain, fcport->d_id.b.area,
3157 fcport->d_id.b.al_pa);
e315cd28 3158 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3159
3160 rval = 1;
3161 break;
3162 } else {
3163 /*
3164 * unrecoverable / not handled error
3165 */
3166 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3167 "loop_id=%x jiffies=%lx.\n",
e315cd28 3168 __func__, vha->host_no, mb[0],
1da177e4
LT		 3169 fcport->d_id.b.domain, fcport->d_id.b.area,
3170 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3171
3172 *next_loopid = fcport->loop_id;
e315cd28 3173 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3174 fcport->d_id.b.domain, fcport->d_id.b.area,
3175 fcport->d_id.b.al_pa);
1da177e4 3176 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3177 fcport->login_retry = 0;
1da177e4
LT		 3178
3179 rval = 3;
3180 break;
3181 }
3182 }
3183
3184 return (rval);
3185}
3186
3187/*
3188 * qla2x00_local_device_login
3189 * Issue local device login command.
3190 *
3191 * Input:
3192 * ha = adapter block pointer.
3193 * loop_id = loop id of device to login to.
3194 *
3195 * Returns (Where's the #define!!!!):
3196 * 0 - Login successfully
3197 * 1 - Login failed
3198 * 3 - Fatal error
3199 */
3200int
e315cd28 3201qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3202{
3203 int rval;
3204 uint16_t mb[MAILBOX_REGISTER_COUNT];
3205
3206 memset(mb, 0, sizeof(mb));
e315cd28 3207 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3208 if (rval == QLA_SUCCESS) {
3209 /* Interrogate mailbox registers for any errors */
3210 if (mb[0] == MBS_COMMAND_ERROR)
3211 rval = 1;
3212 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3213 /* device not in PCB table */
3214 rval = 3;
3215 }
3216
3217 return (rval);
3218}
3219
3220/*
3221 * qla2x00_loop_resync
3222 * Resync with fibre channel devices.
3223 *
3224 * Input:
3225 * ha = adapter block pointer.
3226 *
3227 * Returns:
3228 * 0 = success
3229 */
3230int
e315cd28 3231qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3232{
73208dfd 3233 int rval = QLA_SUCCESS;
1da177e4 3234 uint32_t wait_time;
73208dfd 3235 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 3236 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3237 struct rsp_que *rsp = req->rsp;
1da177e4 3238
e315cd28
AC		 3239 atomic_set(&vha->loop_state, LOOP_UPDATE);
3240 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3241 if (vha->flags.online) {
3242 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3243 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3244 wait_time = 256;
3245 do {
e315cd28 3246 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3247
0107109e 3248 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3249 qla2x00_marker(vha, req, rsp, 0, 0,
3250 MK_SYNC_ALL);
e315cd28 3251 vha->marker_needed = 0;
1da177e4
LT		 3252
3253 /* Remap devices on Loop. */
e315cd28 3254 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3255
e315cd28 3256 qla2x00_configure_loop(vha);
1da177e4 3257 wait_time--;
e315cd28
AC		 3258 } while (!atomic_read(&vha->loop_down_timer) &&
3259 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3260 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3261 &vha->dpc_flags)));
1da177e4 3262 }
1da177e4
LT		 3263 }
3264
e315cd28 3265 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3266 return (QLA_FUNCTION_FAILED);
1da177e4 3267
e315cd28 3268 if (rval)
1da177e4 3269 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3270
3271 return (rval);
3272}
3273
d97994dc 3274void
e315cd28 3275qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc 3276{
3277 fc_port_t *fcport;
3278
3279 /* Go with deferred removal of rport references. */
e315cd28
AC		 3280 list_for_each_entry(fcport, &vha->vp_fcports, list)
3281 if (fcport && fcport->drport &&
c9c5ced9 3282 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc 3283 qla2x00_rport_del(fcport);
3284}
3285
1da177e4
LT		 3286/*
3287* qla2x00_abort_isp
3288* Resets ISP and aborts all outstanding commands.
3289*
3290* Input:
3291* ha = adapter block pointer.
3292*
3293* Returns:
3294* 0 = success
3295*/
3296int
e315cd28 3297qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3298{
476e8978 3299 int rval;
1da177e4 3300 uint8_t status = 0;
e315cd28
AC		 3301 struct qla_hw_data *ha = vha->hw;
3302 struct scsi_qla_host *vp;
ee546b6e 3303 struct scsi_qla_host *tvp;
73208dfd 3304 struct req_que *req = ha->req_q_map[0];
1da177e4 3305
e315cd28
AC		 3306 if (vha->flags.online) {
3307 vha->flags.online = 0;
3308 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3309 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3310
3311 qla_printk(KERN_INFO, ha,
3312 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3313 ha->isp_ops->reset_chip(vha);
3314
3315 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3316 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3317 atomic_set(&vha->loop_state, LOOP_DOWN);
3318 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3319 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3320 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3321 } else {
e315cd28
AC		 3322 if (!atomic_read(&vha->loop_down_timer))
3323 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3324 LOOP_DOWN_TIME);
3325 }
3326
1da177e4 3327 /* Requeue all commands in outstanding command list. */
e315cd28 3328 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3329
73208dfd 3330 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3331
e315cd28 3332 ha->isp_ops->nvram_config(vha);
1da177e4 3333
e315cd28
AC		 3334 if (!qla2x00_restart_isp(vha)) {
3335 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3336
e315cd28 3337 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3338 /*
3339 * Issue marker command only when we are going
3340 * to start the I/O .
3341 */
e315cd28 3342 vha->marker_needed = 1;
1da177e4
LT		 3343 }
3344
e315cd28 3345 vha->flags.online = 1;
1da177e4 3346
fd34f556 3347 ha->isp_ops->enable_intrs(ha);
1da177e4 3348
fa2a1ce5 3349 ha->isp_abort_cnt = 0;
e315cd28 3350 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3351
df613b96
AV		 3352 if (ha->fce) {
3353 ha->flags.fce_enabled = 1;
3354 memset(ha->fce, 0,
3355 fce_calc_size(ha->fce_bufs));
e315cd28 3356 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3357 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3358 &ha->fce_bufs);
3359 if (rval) {
3360 qla_printk(KERN_WARNING, ha,
3361 "Unable to reinitialize FCE "
3362 "(%d).\n", rval);
3363 ha->flags.fce_enabled = 0;
3364 }
3365 }
436a7b11
AV		 3366
3367 if (ha->eft) {
3368 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3369 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3370 ha->eft_dma, EFT_NUM_BUFFERS);
3371 if (rval) {
3372 qla_printk(KERN_WARNING, ha,
3373 "Unable to reinitialize EFT "
3374 "(%d).\n", rval);
3375 }
3376 }
1da177e4 3377 } else { /* failed the ISP abort */
e315cd28
AC		 3378 vha->flags.online = 1;
3379 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3380 if (ha->isp_abort_cnt == 0) {
3381 qla_printk(KERN_WARNING, ha,
3382 "ISP error recovery failed - "
3383 "board disabled\n");
fa2a1ce5 3384 /*
1da177e4
LT		 3385 * The next call disables the board
3386 * completely.
3387 */
e315cd28
AC		 3388 ha->isp_ops->reset_adapter(vha);
3389 vha->flags.online = 0;
1da177e4 3390 clear_bit(ISP_ABORT_RETRY,
e315cd28 3391 &vha->dpc_flags);
1da177e4
LT		 3392 status = 0;
3393 } else { /* schedule another ISP abort */
3394 ha->isp_abort_cnt--;
3395 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3396 "retry remaining %d\n",
e315cd28 3397 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3398 status = 1;
3399 }
3400 } else {
3401 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3402 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3403 "- retrying (%d) more times\n",
e315cd28
AC		 3404 vha->host_no, ha->isp_abort_cnt));
3405 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3406 status = 1;
3407 }
3408 }
fa2a1ce5 3409
1da177e4
LT		 3410 }
3411
e315cd28
AC		 3412 if (!status) {
3413 DEBUG(printk(KERN_INFO
3414 "qla2x00_abort_isp(%ld): succeeded.\n",
3415 vha->host_no));
ee546b6e 3416 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3417 if (vp->vp_idx)
3418 qla2x00_vp_abort_isp(vp);
3419 }
3420 } else {
1da177e4
LT		 3421 qla_printk(KERN_INFO, ha,
3422 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3423 }
3424
3425 return(status);
3426}
3427
3428/*
3429* qla2x00_restart_isp
3430* restarts the ISP after a reset
3431*
3432* Input:
3433* ha = adapter block pointer.
3434*
3435* Returns:
3436* 0 = success
3437*/
3438static int
e315cd28 3439qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3440{
c6b2fca8 3441 int status = 0;
1da177e4 3442 uint32_t wait_time;
e315cd28 3443 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3444 struct req_que *req = ha->req_q_map[0];
3445 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3446
3447 /* If firmware needs to be loaded */
e315cd28
AC		 3448 if (qla2x00_isp_firmware(vha)) {
3449 vha->flags.online = 0;
3450 status = ha->isp_ops->chip_diag(vha);
3451 if (!status)
3452 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3453 }
3454
e315cd28
AC		 3455 if (!status && !(status = qla2x00_init_rings(vha))) {
3456 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd
AC		 3457 /* Initialize the queues in use */
3458 qla25xx_init_queues(ha);
3459
e315cd28
AC		 3460 status = qla2x00_fw_ready(vha);
3461 if (!status) {
1da177e4 3462 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3463 "status = %d\n", __func__, status));
0107109e
AV		 3464
3465 /* Issue a marker after FW becomes ready. */
73208dfd 3466 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3467
e315cd28 3468 vha->flags.online = 1;
1da177e4
LT		 3469 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3470 wait_time = 256;
3471 do {
e315cd28
AC		 3472 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3473 qla2x00_configure_loop(vha);
1da177e4 3474 wait_time--;
e315cd28
AC		 3475 } while (!atomic_read(&vha->loop_down_timer) &&
3476 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3477 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3478 &vha->dpc_flags)));
1da177e4
LT		 3479 }
3480
3481 /* if no cable then assume it's good */
e315cd28 3482 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3483 status = 0;
3484
3485 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3486 __func__,
744f11fd 3487 status));
1da177e4
LT		 3488 }
3489 return (status);
3490}
3491
73208dfd
AC		 3492static int
3493qla25xx_init_queues(struct qla_hw_data *ha)
3494{
3495 struct rsp_que *rsp = NULL;
3496 struct req_que *req = NULL;
3497 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3498 int ret = -1;
3499 int i;
3500
3501 for (i = 1; i < ha->max_queues; i++) {
3502 rsp = ha->rsp_q_map[i];
3503 if (rsp) {
3504 rsp->options &= ~BIT_0;
618a7523 3505 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3506 if (ret != QLA_SUCCESS)
3507 DEBUG2_17(printk(KERN_WARNING
3508 "%s Rsp que:%d init failed\n", __func__,
3509 rsp->id));
3510 else
3511 DEBUG2_17(printk(KERN_INFO
3512 "%s Rsp que:%d inited\n", __func__,
3513 rsp->id));
3514 }
3515 req = ha->req_q_map[i];
3516 if (req) {
29bdccbe 3517 /* Clear outstanding commands array. */
73208dfd 3518 req->options &= ~BIT_0;
618a7523 3519 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3520 if (ret != QLA_SUCCESS)
3521 DEBUG2_17(printk(KERN_WARNING
3522 "%s Req que:%d init failed\n", __func__,
3523 req->id));
3524 else
3525 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3526 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3527 req->id));
3528 }
3529 }
3530 return ret;
3531}
3532
1da177e4
LT		 3533/*
3534* qla2x00_reset_adapter
3535* Reset adapter.
3536*
3537* Input:
3538* ha = adapter block pointer.
3539*/
abbd8870 3540void
e315cd28 3541qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3542{
3543 unsigned long flags = 0;
e315cd28 3544 struct qla_hw_data *ha = vha->hw;
3d71644c 3545 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3546
e315cd28 3547 vha->flags.online = 0;
fd34f556 3548 ha->isp_ops->disable_intrs(ha);
1da177e4 3549
1da177e4
LT		 3550 spin_lock_irqsave(&ha->hardware_lock, flags);
3551 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3552 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3553 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3554 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3555 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3556}
0107109e
AV		 3557
3558void
e315cd28 3559qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3560{
3561 unsigned long flags = 0;
e315cd28 3562 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3563 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3564
e315cd28 3565 vha->flags.online = 0;
fd34f556 3566 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3567
3568 spin_lock_irqsave(&ha->hardware_lock, flags);
3569 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3570 RD_REG_DWORD(&reg->hccr);
3571 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3572 RD_REG_DWORD(&reg->hccr);
3573 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3574
3575 if (IS_NOPOLLING_TYPE(ha))
3576 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3577}
3578
4e08df3f
DM		 3579/* On sparc systems, obtain port and node WWN from firmware
3580 * properties.
3581 */
e315cd28
AC		 3582static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3583 struct nvram_24xx *nv)
4e08df3f
DM		 3584{
3585#ifdef CONFIG_SPARC
e315cd28 3586 struct qla_hw_data *ha = vha->hw;
4e08df3f 3587 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3588 struct device_node *dp = pci_device_to_OF_node(pdev);
3589 const u8 *val;
4e08df3f
DM		 3590 int len;
3591
3592 val = of_get_property(dp, "port-wwn", &len);
3593 if (val && len >= WWN_SIZE)
3594 memcpy(nv->port_name, val, WWN_SIZE);
3595
3596 val = of_get_property(dp, "node-wwn", &len);
3597 if (val && len >= WWN_SIZE)
3598 memcpy(nv->node_name, val, WWN_SIZE);
3599#endif
3600}
3601
0107109e 3602int
e315cd28 3603qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3604{
4e08df3f 3605 int rval;
0107109e
AV		 3606 struct init_cb_24xx *icb;
3607 struct nvram_24xx *nv;
3608 uint32_t *dptr;
3609 uint8_t *dptr1, *dptr2;
3610 uint32_t chksum;
3611 uint16_t cnt;
e315cd28 3612 struct qla_hw_data *ha = vha->hw;
0107109e 3613
4e08df3f 3614 rval = QLA_SUCCESS;
0107109e 3615 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3616 nv = ha->nvram;
0107109e
AV		 3617
3618 /* Determine NVRAM starting address. */
3619 ha->nvram_size = sizeof(struct nvram_24xx);
3620 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790 3621 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3622 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3623 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3624 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 3625 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3626 }
0107109e 3627
281afe19
SJ		 3628 /* Get VPD data into cache */
3629 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3630 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3631 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3632
3633 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3634 dptr = (uint32_t *)nv;
e315cd28 3635 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3636 ha->nvram_size);
3637 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3638 chksum += le32_to_cpu(*dptr++);
3639
3640 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 3641 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3642
3643 /* Bad NVRAM data, set defaults parameters. */
3644 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3645 || nv->id[3] != ' ' ||
3646 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3647 /* Reset NVRAM data. */
3648 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3649 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3650 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3651 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3652 "invalid -- WWPN) defaults.\n");
3653
3654 /*
3655 * Set default initialization control block.
3656 */
3657 memset(nv, 0, ha->nvram_size);
3658 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3659 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3660 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3661 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3662 nv->exchange_count = __constant_cpu_to_le16(0);
3663 nv->hard_address = __constant_cpu_to_le16(124);
3664 nv->port_name[0] = 0x21;
3665 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3666 nv->port_name[2] = 0x00;
3667 nv->port_name[3] = 0xe0;
3668 nv->port_name[4] = 0x8b;
3669 nv->port_name[5] = 0x1c;
3670 nv->port_name[6] = 0x55;
3671 nv->port_name[7] = 0x86;
3672 nv->node_name[0] = 0x20;
3673 nv->node_name[1] = 0x00;
3674 nv->node_name[2] = 0x00;
3675 nv->node_name[3] = 0xe0;
3676 nv->node_name[4] = 0x8b;
3677 nv->node_name[5] = 0x1c;
3678 nv->node_name[6] = 0x55;
3679 nv->node_name[7] = 0x86;
e315cd28 3680 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3681 nv->login_retry_count = __constant_cpu_to_le16(8);
3682 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3683 nv->login_timeout = __constant_cpu_to_le16(0);
3684 nv->firmware_options_1 =
3685 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3686 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3687 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3688 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3689 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3690 nv->efi_parameters = __constant_cpu_to_le32(0);
3691 nv->reset_delay = 5;
3692 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3693 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3694 nv->link_down_timeout = __constant_cpu_to_le16(30);
3695
3696 rval = 1;
0107109e
AV		 3697 }
3698
3699 /* Reset Initialization control block */
e315cd28 3700 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3701
3702 /* Copy 1st segment. */
3703 dptr1 = (uint8_t *)icb;
3704 dptr2 = (uint8_t *)&nv->version;
3705 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3706 while (cnt--)
3707 *dptr1++ = *dptr2++;
3708
3709 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3710 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3711
3712 /* Copy 2nd segment. */
3713 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3714 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3715 cnt = (uint8_t *)&icb->reserved_3 -
3716 (uint8_t *)&icb->interrupt_delay_timer;
3717 while (cnt--)
3718 *dptr1++ = *dptr2++;
3719
3720 /*
3721 * Setup driver NVRAM options.
3722 */
e315cd28 3723 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3724 "QLA2462");
0107109e 3725
5341e868
AV		 3726 /* Use alternate WWN? */
3727 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3728 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3729 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3730 }
3731
0107109e 3732 /* Prepare nodename */
fd0e7e4d 3733 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3734 /*
3735 * Firmware will apply the following mask if the nodename was
3736 * not provided.
3737 */
3738 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3739 icb->node_name[0] &= 0xF0;
3740 }
3741
3742 /* Set host adapter parameters. */
3743 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3744 ha->flags.enable_lip_reset = 0;
3745 ha->flags.enable_lip_full_login =
3746 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3747 ha->flags.enable_target_reset =
3748 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3749 ha->flags.enable_led_scheme = 0;
d4c760c2 3750 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3751
fd0e7e4d
AV		 3752 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3753 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3754
3755 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3756 sizeof(ha->fw_seriallink_options24));
3757
3758 /* save HBA serial number */
3759 ha->serial0 = icb->port_name[5];
3760 ha->serial1 = icb->port_name[6];
3761 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3762 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3763 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3764
bc8fb3cb 3765 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3766
0107109e
AV		 3767 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3768
3769 /* Set minimum login_timeout to 4 seconds. */
3770 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3771 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3772 if (le16_to_cpu(nv->login_timeout) < 4)
3773 nv->login_timeout = __constant_cpu_to_le16(4);
3774 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3775 icb->login_timeout = nv->login_timeout;
0107109e 3776
00a537b8
AV		 3777 /* Set minimum RATOV to 100 tenths of a second. */
3778 ha->r_a_tov = 100;
0107109e
AV		 3779
3780 ha->loop_reset_delay = nv->reset_delay;
3781
3782 /* Link Down Timeout = 0:
3783 *
3784 * When Port Down timer expires we will start returning
3785 * I/O's to OS with "DID_NO_CONNECT".
3786 *
3787 * Link Down Timeout != 0:
3788 *
3789 * The driver waits for the link to come up after link down
3790 * before returning I/Os to OS with "DID_NO_CONNECT".
3791 */
3792 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3793 ha->loop_down_abort_time =
3794 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3795 } else {
3796 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3797 ha->loop_down_abort_time =
3798 (LOOP_DOWN_TIME - ha->link_down_timeout);
3799 }
3800
3801 /* Need enough time to try and get the port back. */
3802 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3803 if (qlport_down_retry)
3804 ha->port_down_retry_count = qlport_down_retry;
3805
3806 /* Set login_retry_count */
3807 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3808 if (ha->port_down_retry_count ==
3809 le16_to_cpu(nv->port_down_retry_count) &&
3810 ha->port_down_retry_count > 3)
3811 ha->login_retry_count = ha->port_down_retry_count;
3812 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3813 ha->login_retry_count = ha->port_down_retry_count;
3814 if (ql2xloginretrycount)
3815 ha->login_retry_count = ql2xloginretrycount;
3816
4fdfefe5 3817 /* Enable ZIO. */
e315cd28 3818 if (!vha->flags.init_done) {
4fdfefe5
AV		 3819 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3820 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3821 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3822 le16_to_cpu(icb->interrupt_delay_timer): 2;
3823 }
3824 icb->firmware_options_2 &= __constant_cpu_to_le32(
3825 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3826 vha->flags.process_response_queue = 0;
4fdfefe5 3827 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 3828 ha->zio_mode = QLA_ZIO_MODE_6;
3829
4fdfefe5 3830 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3831 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3832 ha->zio_timer * 100));
3833 qla_printk(KERN_INFO, ha,
3834 "ZIO mode %d enabled; timer delay (%d us).\n",
3835 ha->zio_mode, ha->zio_timer * 100);
3836
3837 icb->firmware_options_2 |= cpu_to_le32(
3838 (uint32_t)ha->zio_mode);
3839 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3840 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3841 }
3842
4e08df3f
DM		 3843 if (rval) {
3844 DEBUG2_3(printk(KERN_WARNING
e315cd28 3845 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3846 }
3847 return (rval);
0107109e
AV		 3848}
3849
413975a0 3850static int
e315cd28 3851qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
d1c61909 3852{
73208dfd 3853 int rval = QLA_SUCCESS;
d1c61909
AV		 3854 int segments, fragment;
3855 uint32_t faddr;
3856 uint32_t *dcode, dlen;
3857 uint32_t risc_addr;
3858 uint32_t risc_size;
3859 uint32_t i;
e315cd28 3860 struct qla_hw_data *ha = vha->hw;
73208dfd 3861 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3862
3863 qla_printk(KERN_INFO, ha,
3864 "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3865
d1c61909
AV		 3866 rval = QLA_SUCCESS;
3867
3868 segments = FA_RISC_CODE_SEGMENTS;
c00d8994 3869 faddr = ha->flt_region_fw;
73208dfd 3870 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3871 *srisc_addr = 0;
3872
3873 /* Validate firmware image by checking version. */
e315cd28 3874 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3875 for (i = 0; i < 4; i++)
3876 dcode[i] = be32_to_cpu(dcode[i]);
3877 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3878 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3879 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3880 dcode[3] == 0)) {
3881 qla_printk(KERN_WARNING, ha,
3882 "Unable to verify integrity of flash firmware image!\n");
3883 qla_printk(KERN_WARNING, ha,
3884 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3885 dcode[1], dcode[2], dcode[3]);
3886
3887 return QLA_FUNCTION_FAILED;
3888 }
3889
3890 while (segments && rval == QLA_SUCCESS) {
3891 /* Read segment's load information. */
e315cd28 3892 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3893
3894 risc_addr = be32_to_cpu(dcode[2]);
3895 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3896 risc_size = be32_to_cpu(dcode[3]);
3897
3898 fragment = 0;
3899 while (risc_size > 0 && rval == QLA_SUCCESS) {
3900 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3901 if (dlen > risc_size)
3902 dlen = risc_size;
3903
3904 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3905 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3906 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3907
e315cd28 3908 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3909 for (i = 0; i < dlen; i++)
3910 dcode[i] = swab32(dcode[i]);
3911
73208dfd 3912 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3913 dlen);
3914 if (rval) {
3915 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3916 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3917 fragment));
3918 qla_printk(KERN_WARNING, ha,
3919 "[ERROR] Failed to load segment %d of "
3920 "firmware\n", fragment);
3921 break;
3922 }
3923
3924 faddr += dlen;
3925 risc_addr += dlen;
3926 risc_size -= dlen;
3927 fragment++;
3928 }
3929
3930 /* Next segment. */
3931 segments--;
3932 }
3933
3934 return rval;
3935}
3936
d1c61909
AV		 3937#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3938
0107109e 3939int
e315cd28 3940qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3941{
3942 int rval;
3943 int i, fragment;
3944 uint16_t *wcode, *fwcode;
3945 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3946 struct fw_blob *blob;
e315cd28 3947 struct qla_hw_data *ha = vha->hw;
73208dfd 3948 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3949
3950 /* Load firmware blob. */
e315cd28 3951 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3952 if (!blob) {
3953 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3954 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3955 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3956 return QLA_FUNCTION_FAILED;
3957 }
3958
3959 rval = QLA_SUCCESS;
3960
73208dfd 3961 wcode = (uint16_t *)req->ring;
5433383e
AV		 3962 *srisc_addr = 0;
3963 fwcode = (uint16_t *)blob->fw->data;
3964 fwclen = 0;
3965
3966 /* Validate firmware image by checking version. */
3967 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3968 qla_printk(KERN_WARNING, ha,
3969 "Unable to verify integrity of firmware image (%Zd)!\n",
3970 blob->fw->size);
3971 goto fail_fw_integrity;
3972 }
3973 for (i = 0; i < 4; i++)
3974 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3975 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3976 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3977 wcode[2] == 0 && wcode[3] == 0)) {
3978 qla_printk(KERN_WARNING, ha,
3979 "Unable to verify integrity of firmware image!\n");
3980 qla_printk(KERN_WARNING, ha,
3981 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3982 wcode[1], wcode[2], wcode[3]);
3983 goto fail_fw_integrity;
3984 }
3985
3986 seg = blob->segs;
3987 while (*seg && rval == QLA_SUCCESS) {
3988 risc_addr = *seg;
3989 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3990 risc_size = be16_to_cpu(fwcode[3]);
3991
3992 /* Validate firmware image size. */
3993 fwclen += risc_size * sizeof(uint16_t);
3994 if (blob->fw->size < fwclen) {
3995 qla_printk(KERN_WARNING, ha,
3996 "Unable to verify integrity of firmware image "
3997 "(%Zd)!\n", blob->fw->size);
3998 goto fail_fw_integrity;
3999 }
4000
4001 fragment = 0;
4002 while (risc_size > 0 && rval == QLA_SUCCESS) {
4003 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4004 if (wlen > risc_size)
4005 wlen = risc_size;
4006
4007 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4008 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 4009 risc_addr, wlen));
4010
4011 for (i = 0; i < wlen; i++)
4012 wcode[i] = swab16(fwcode[i]);
4013
73208dfd 4014 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 4015 wlen);
4016 if (rval) {
4017 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4018 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 4019 fragment));
4020 qla_printk(KERN_WARNING, ha,
4021 "[ERROR] Failed to load segment %d of "
4022 "firmware\n", fragment);
4023 break;
4024 }
4025
4026 fwcode += wlen;
4027 risc_addr += wlen;
4028 risc_size -= wlen;
4029 fragment++;
4030 }
4031
4032 /* Next segment. */
4033 seg++;
4034 }
4035 return rval;
4036
4037fail_fw_integrity:
4038 return QLA_FUNCTION_FAILED;
4039}
4040
eaac30be
AV		 4041static int
4042qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4043{
4044 int rval;
4045 int segments, fragment;
4046 uint32_t *dcode, dlen;
4047 uint32_t risc_addr;
4048 uint32_t risc_size;
4049 uint32_t i;
5433383e 4050 struct fw_blob *blob;
0107109e 4051 uint32_t *fwcode, fwclen;
e315cd28 4052 struct qla_hw_data *ha = vha->hw;
73208dfd 4053 struct req_que *req = ha->req_q_map[0];
0107109e 4054
5433383e 4055 /* Load firmware blob. */
e315cd28 4056 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4057 if (!blob) {
4058 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4059 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4060 "from: " QLA_FW_URL ".\n");
4061
eaac30be 4062 return QLA_FUNCTION_FAILED;
0107109e
AV		 4063 }
4064
eaac30be
AV		 4065 qla_printk(KERN_INFO, ha,
4066 "FW: Loading via request-firmware...\n");
4067
0107109e
AV		 4068 rval = QLA_SUCCESS;
4069
4070 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4071 dcode = (uint32_t *)req->ring;
0107109e 4072 *srisc_addr = 0;
5433383e 4073 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4074 fwclen = 0;
4075
4076 /* Validate firmware image by checking version. */
5433383e 4077 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4078 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4079 "Unable to verify integrity of firmware image (%Zd)!\n",
4080 blob->fw->size);
0107109e
AV		 4081 goto fail_fw_integrity;
4082 }
4083 for (i = 0; i < 4; i++)
4084 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4085 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4086 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4087 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4088 dcode[3] == 0)) {
4089 qla_printk(KERN_WARNING, ha,
5433383e 4090 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4091 qla_printk(KERN_WARNING, ha,
4092 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4093 dcode[1], dcode[2], dcode[3]);
4094 goto fail_fw_integrity;
4095 }
4096
4097 while (segments && rval == QLA_SUCCESS) {
4098 risc_addr = be32_to_cpu(fwcode[2]);
4099 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4100 risc_size = be32_to_cpu(fwcode[3]);
4101
4102 /* Validate firmware image size. */
4103 fwclen += risc_size * sizeof(uint32_t);
5433383e 4104 if (blob->fw->size < fwclen) {
0107109e 4105 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4106 "Unable to verify integrity of firmware image "
4107 "(%Zd)!\n", blob->fw->size);
4108
0107109e
AV		 4109 goto fail_fw_integrity;
4110 }
4111
4112 fragment = 0;
4113 while (risc_size > 0 && rval == QLA_SUCCESS) {
4114 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4115 if (dlen > risc_size)
4116 dlen = risc_size;
4117
4118 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4119 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4120 risc_addr, dlen));
4121
4122 for (i = 0; i < dlen; i++)
4123 dcode[i] = swab32(fwcode[i]);
4124
73208dfd 4125 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4126 dlen);
0107109e
AV		 4127 if (rval) {
4128 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4129 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4130 fragment));
4131 qla_printk(KERN_WARNING, ha,
4132 "[ERROR] Failed to load segment %d of "
4133 "firmware\n", fragment);
4134 break;
4135 }
4136
4137 fwcode += dlen;
4138 risc_addr += dlen;
4139 risc_size -= dlen;
4140 fragment++;
4141 }
4142
4143 /* Next segment. */
4144 segments--;
4145 }
0107109e
AV		 4146 return rval;
4147
4148fail_fw_integrity:
0107109e 4149 return QLA_FUNCTION_FAILED;
0107109e 4150}
18c6c127 4151
eaac30be
AV		 4152int
4153qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4154{
4155 int rval;
4156
4157 /*
4158 * FW Load priority:
4159 * 1) Firmware via request-firmware interface (.bin file).
4160 * 2) Firmware residing in flash.
4161 */
4162 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4163 if (rval == QLA_SUCCESS)
4164 return rval;
4165
4166 return qla24xx_load_risc_flash(vha, srisc_addr);
4167}
4168
4169int
4170qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4171{
4172 int rval;
4173
4174 /*
4175 * FW Load priority:
4176 * 1) Firmware residing in flash.
4177 * 2) Firmware via request-firmware interface (.bin file).
4178 */
4179 rval = qla24xx_load_risc_flash(vha, srisc_addr);
4180 if (rval == QLA_SUCCESS)
4181 return rval;
4182
4183 return qla24xx_load_risc_blob(vha, srisc_addr);
4184}
4185
18c6c127 4186void
e315cd28 4187qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4188{
4189 int ret, retries;
e315cd28 4190 struct qla_hw_data *ha = vha->hw;
18c6c127 4191
e428924c 4192 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4193 return;
75edf81d
AV		 4194 if (!ha->fw_major_version)
4195 return;
18c6c127 4196
e315cd28 4197 ret = qla2x00_stop_firmware(vha);
7c7f1f29
AV		 4198 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4199 retries ; retries--) {
e315cd28
AC		 4200 ha->isp_ops->reset_chip(vha);
4201 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4202 continue;
e315cd28 4203 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4204 continue;
4205 qla_printk(KERN_INFO, ha,
4206 "Attempting retry of stop-firmware command...\n");
e315cd28 4207 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4208 }
4209}
2c3dfe3f
SJ		 4210
4211int
e315cd28 4212qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4213{
4214 int rval = QLA_SUCCESS;
4215 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4216 struct qla_hw_data *ha = vha->hw;
4217 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
29bdccbe
AC		 4218 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4219 struct rsp_que *rsp = req->rsp;
2c3dfe3f 4220
e315cd28 4221 if (!vha->vp_idx)
2c3dfe3f
SJ		 4222 return -EINVAL;
4223
e315cd28 4224 rval = qla2x00_fw_ready(base_vha);
2c3dfe3f 4225 if (rval == QLA_SUCCESS) {
e315cd28 4226 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4227 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4228 }
4229
e315cd28 4230 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4231
4232 /* Login to SNS first */
e315cd28 4233 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4234 if (mb[0] != MBS_COMMAND_COMPLETE) {
4235 DEBUG15(qla_printk(KERN_INFO, ha,
4236 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4237 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4238 mb[0], mb[1], mb[2], mb[6], mb[7]));
4239 return (QLA_FUNCTION_FAILED);
4240 }
4241
e315cd28
AC		 4242 atomic_set(&vha->loop_down_timer, 0);
4243 atomic_set(&vha->loop_state, LOOP_UP);
4244 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4245 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4246 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4247
4248 return rval;
4249}
4d4df193
HK		 4250
4251/* 84XX Support **************************************************************/
4252
4253static LIST_HEAD(qla_cs84xx_list);
4254static DEFINE_MUTEX(qla_cs84xx_mutex);
4255
4256static struct qla_chip_state_84xx *
e315cd28 4257qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4258{
4259 struct qla_chip_state_84xx *cs84xx;
e315cd28 4260 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4261
4262 mutex_lock(&qla_cs84xx_mutex);
4263
4264 /* Find any shared 84xx chip. */
4265 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4266 if (cs84xx->bus == ha->pdev->bus) {
4267 kref_get(&cs84xx->kref);
4268 goto done;
4269 }
4270 }
4271
4272 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4273 if (!cs84xx)
4274 goto done;
4275
4276 kref_init(&cs84xx->kref);
4277 spin_lock_init(&cs84xx->access_lock);
4278 mutex_init(&cs84xx->fw_update_mutex);
4279 cs84xx->bus = ha->pdev->bus;
4280
4281 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4282done:
4283 mutex_unlock(&qla_cs84xx_mutex);
4284 return cs84xx;
4285}
4286
4287static void
4288__qla84xx_chip_release(struct kref *kref)
4289{
4290 struct qla_chip_state_84xx *cs84xx =
4291 container_of(kref, struct qla_chip_state_84xx, kref);
4292
4293 mutex_lock(&qla_cs84xx_mutex);
4294 list_del(&cs84xx->list);
4295 mutex_unlock(&qla_cs84xx_mutex);
4296 kfree(cs84xx);
4297}
4298
4299void
e315cd28 4300qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4301{
e315cd28 4302 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4303 if (ha->cs84xx)
4304 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4305}
4306
4307static int
e315cd28 4308qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4309{
4310 int rval;
4311 uint16_t status[2];
e315cd28 4312 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4313
4314 mutex_lock(&ha->cs84xx->fw_update_mutex);
4315
e315cd28 4316 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4317
4318 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4319
4320 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4321 QLA_SUCCESS;
4322}
3a03eb79
AV		 4323
4324/* 81XX Support **************************************************************/
4325
4326int
4327qla81xx_nvram_config(scsi_qla_host_t *vha)
4328{
4329 int rval;
4330 struct init_cb_81xx *icb;
4331 struct nvram_81xx *nv;
4332 uint32_t *dptr;
4333 uint8_t *dptr1, *dptr2;
4334 uint32_t chksum;
4335 uint16_t cnt;
4336 struct qla_hw_data *ha = vha->hw;
4337
4338 rval = QLA_SUCCESS;
4339 icb = (struct init_cb_81xx *)ha->init_cb;
4340 nv = ha->nvram;
4341
4342 /* Determine NVRAM starting address. */
4343 ha->nvram_size = sizeof(struct nvram_81xx);
4344 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4345 ha->vpd_size = FA_NVRAM_VPD_SIZE;
4346 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4347 if (PCI_FUNC(ha->pdev->devfn) & 1) {
4348 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4349 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4350 }
4351
4352 /* Get VPD data into cache */
4353 ha->vpd = ha->nvram + VPD_OFFSET;
4354 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4355 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4356
4357 /* Get NVRAM data into cache and calculate checksum. */
4358 dptr = (uint32_t *)nv;
4359 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4360 ha->nvram_size);
4361 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4362 chksum += le32_to_cpu(*dptr++);
4363
4364 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4365 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4366
4367 /* Bad NVRAM data, set defaults parameters. */
4368 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4369 || nv->id[3] != ' ' ||
4370 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4371 /* Reset NVRAM data. */
4372 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4373 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4374 le16_to_cpu(nv->nvram_version));
4375 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4376 "invalid -- WWPN) defaults.\n");
4377
4378 /*
4379 * Set default initialization control block.
4380 */
4381 memset(nv, 0, ha->nvram_size);
4382 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4383 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4384 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4385 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4386 nv->exchange_count = __constant_cpu_to_le16(0);
4387 nv->port_name[0] = 0x21;
4388 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4389 nv->port_name[2] = 0x00;
4390 nv->port_name[3] = 0xe0;
4391 nv->port_name[4] = 0x8b;
4392 nv->port_name[5] = 0x1c;
4393 nv->port_name[6] = 0x55;
4394 nv->port_name[7] = 0x86;
4395 nv->node_name[0] = 0x20;
4396 nv->node_name[1] = 0x00;
4397 nv->node_name[2] = 0x00;
4398 nv->node_name[3] = 0xe0;
4399 nv->node_name[4] = 0x8b;
4400 nv->node_name[5] = 0x1c;
4401 nv->node_name[6] = 0x55;
4402 nv->node_name[7] = 0x86;
4403 nv->login_retry_count = __constant_cpu_to_le16(8);
4404 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4405 nv->login_timeout = __constant_cpu_to_le16(0);
4406 nv->firmware_options_1 =
4407 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4408 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4409 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4410 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4411 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4412 nv->efi_parameters = __constant_cpu_to_le32(0);
4413 nv->reset_delay = 5;
4414 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4415 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4416 nv->link_down_timeout = __constant_cpu_to_le16(30);
4417 nv->enode_mac[0] = 0x01;
4418 nv->enode_mac[1] = 0x02;
4419 nv->enode_mac[2] = 0x03;
4420 nv->enode_mac[3] = 0x04;
4421 nv->enode_mac[4] = 0x05;
4422 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4423
4424 rval = 1;
4425 }
4426
4427 /* Reset Initialization control block */
4428 memset(icb, 0, sizeof(struct init_cb_81xx));
4429
4430 /* Copy 1st segment. */
4431 dptr1 = (uint8_t *)icb;
4432 dptr2 = (uint8_t *)&nv->version;
4433 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4434 while (cnt--)
4435 *dptr1++ = *dptr2++;
4436
4437 icb->login_retry_count = nv->login_retry_count;
4438
4439 /* Copy 2nd segment. */
4440 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4441 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4442 cnt = (uint8_t *)&icb->reserved_5 -
4443 (uint8_t *)&icb->interrupt_delay_timer;
4444 while (cnt--)
4445 *dptr1++ = *dptr2++;
4446
4447 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4448 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4449 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4450 icb->enode_mac[0] = 0x01;
4451 icb->enode_mac[1] = 0x02;
4452 icb->enode_mac[2] = 0x03;
4453 icb->enode_mac[3] = 0x04;
4454 icb->enode_mac[4] = 0x05;
4455 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4456 }
4457
4458 /*
4459 * Setup driver NVRAM options.
4460 */
4461 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4462 "QLE81XX");
4463
4464 /* Use alternate WWN? */
4465 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4466 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4467 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4468 }
4469
4470 /* Prepare nodename */
4471 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4472 /*
4473 * Firmware will apply the following mask if the nodename was
4474 * not provided.
4475 */
4476 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4477 icb->node_name[0] &= 0xF0;
4478 }
4479
4480 /* Set host adapter parameters. */
4481 ha->flags.disable_risc_code_load = 0;
4482 ha->flags.enable_lip_reset = 0;
4483 ha->flags.enable_lip_full_login =
4484 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4485 ha->flags.enable_target_reset =
4486 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4487 ha->flags.enable_led_scheme = 0;
4488 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4489
4490 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4491 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4492
4493 /* save HBA serial number */
4494 ha->serial0 = icb->port_name[5];
4495 ha->serial1 = icb->port_name[6];
4496 ha->serial2 = icb->port_name[7];
4497 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4498 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4499
4500 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4501
4502 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4503
4504 /* Set minimum login_timeout to 4 seconds. */
4505 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4506 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4507 if (le16_to_cpu(nv->login_timeout) < 4)
4508 nv->login_timeout = __constant_cpu_to_le16(4);
4509 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4510 icb->login_timeout = nv->login_timeout;
4511
4512 /* Set minimum RATOV to 100 tenths of a second. */
4513 ha->r_a_tov = 100;
4514
4515 ha->loop_reset_delay = nv->reset_delay;
4516
4517 /* Link Down Timeout = 0:
4518 *
4519 * When Port Down timer expires we will start returning
4520 * I/O's to OS with "DID_NO_CONNECT".
4521 *
4522 * Link Down Timeout != 0:
4523 *
4524 * The driver waits for the link to come up after link down
4525 * before returning I/Os to OS with "DID_NO_CONNECT".
4526 */
4527 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4528 ha->loop_down_abort_time =
4529 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4530 } else {
4531 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4532 ha->loop_down_abort_time =
4533 (LOOP_DOWN_TIME - ha->link_down_timeout);
4534 }
4535
4536 /* Need enough time to try and get the port back. */
4537 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4538 if (qlport_down_retry)
4539 ha->port_down_retry_count = qlport_down_retry;
4540
4541 /* Set login_retry_count */
4542 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4543 if (ha->port_down_retry_count ==
4544 le16_to_cpu(nv->port_down_retry_count) &&
4545 ha->port_down_retry_count > 3)
4546 ha->login_retry_count = ha->port_down_retry_count;
4547 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4548 ha->login_retry_count = ha->port_down_retry_count;
4549 if (ql2xloginretrycount)
4550 ha->login_retry_count = ql2xloginretrycount;
4551
4552 /* Enable ZIO. */
4553 if (!vha->flags.init_done) {
4554 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4555 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4556 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4557 le16_to_cpu(icb->interrupt_delay_timer): 2;
4558 }
4559 icb->firmware_options_2 &= __constant_cpu_to_le32(
4560 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4561 vha->flags.process_response_queue = 0;
4562 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4563 ha->zio_mode = QLA_ZIO_MODE_6;
4564
4565 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4566 "(%d us).\n", vha->host_no, ha->zio_mode,
4567 ha->zio_timer * 100));
4568 qla_printk(KERN_INFO, ha,
4569 "ZIO mode %d enabled; timer delay (%d us).\n",
4570 ha->zio_mode, ha->zio_timer * 100);
4571
4572 icb->firmware_options_2 |= cpu_to_le32(
4573 (uint32_t)ha->zio_mode);
4574 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4575 vha->flags.process_response_queue = 1;
4576 }
4577
4578 if (rval) {
4579 DEBUG2_3(printk(KERN_WARNING
4580 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4581 }
4582 return (rval);
4583}
4584
4585void
4586qla81xx_update_fw_options(scsi_qla_host_t *ha)
4587{
4588}
Linux 6.x block layer and io_uring tree(s)