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[SCSI] qla2xxx: Allow the user the option of disabling iIDMA.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
1da177e4
LT		 11
12#include "qla_devtbl.h"
13
4e08df3f
DM		 14#ifdef CONFIG_SPARC
15#include <asm/prom.h>
4e08df3f
DM		 16#endif
17
1da177e4
LT		 18/*
19* QLogic ISP2x00 Hardware Support Function Prototypes.
20*/
1da177e4 21static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 22static void qla2x00_resize_request_q(scsi_qla_host_t *);
23static int qla2x00_setup_chip(scsi_qla_host_t *);
24static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
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
413975a0
AB		 38static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
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 *);
42
1da177e4
LT		 43/****************************************************************************/
44/* QLogic ISP2x00 Hardware Support Functions. */
45/****************************************************************************/
46
47/*
48* qla2x00_initialize_adapter
49* Initialize board.
50*
51* Input:
52* ha = adapter block pointer.
53*
54* Returns:
55* 0 = success
56*/
57int
58qla2x00_initialize_adapter(scsi_qla_host_t *ha)
59{
60 int rval;
1da177e4
LT		 61
62 /* Clear adapter flags. */
63 ha->flags.online = 0;
64 ha->flags.reset_active = 0;
65 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
66 atomic_set(&ha->loop_state, LOOP_DOWN);
2603221a 67 ha->device_flags = DFLG_NO_CABLE;
1da177e4 68 ha->dpc_flags = 0;
1da177e4
LT		 69 ha->flags.management_server_logged_in = 0;
70 ha->marker_needed = 0;
71 ha->mbx_flags = 0;
72 ha->isp_abort_cnt = 0;
73 ha->beacon_blink_led = 0;
cca5335c 74 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 75
0107109e 76 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
fd34f556 77 rval = ha->isp_ops->pci_config(ha);
1da177e4 78 if (rval) {
7c98a046 79 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
1da177e4
LT		 80 ha->host_no));
81 return (rval);
82 }
83
fd34f556 84 ha->isp_ops->reset_chip(ha);
1da177e4 85
fd34f556 86 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 87
1da177e4 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 89
fd34f556 90 ha->isp_ops->nvram_config(ha);
1da177e4 91
d4c760c2
AV		 92 if (ha->flags.disable_serdes) {
93 /* Mask HBA via NVRAM settings? */
94 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
96 ha->port_name[0], ha->port_name[1],
97 ha->port_name[2], ha->port_name[3],
98 ha->port_name[4], ha->port_name[5],
99 ha->port_name[6], ha->port_name[7]);
100 return QLA_FUNCTION_FAILED;
101 }
102
1da177e4
LT		 103 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
104
d19044c3 105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
fd34f556 106 rval = ha->isp_ops->chip_diag(ha);
d19044c3
AV		 107 if (rval)
108 return (rval);
109 rval = qla2x00_setup_chip(ha);
110 if (rval)
111 return (rval);
7d232c74 112 qla2xxx_get_flash_info(ha);
1da177e4 113 }
4d4df193
HK		 114 if (IS_QLA84XX(ha)) {
115 ha->cs84xx = qla84xx_get_chip(ha);
116 if (!ha->cs84xx) {
117 qla_printk(KERN_ERR, ha,
118 "Unable to configure ISP84XX.\n");
119 return QLA_FUNCTION_FAILED;
120 }
121 }
d19044c3 122 rval = qla2x00_init_rings(ha);
1da177e4
LT		 123
124 return (rval);
125}
126
127/**
abbd8870 128 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 129 * @ha: HA context
130 *
131 * Returns 0 on success.
132 */
abbd8870
AV		 133int
134qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 135{
a157b101 136 uint16_t w;
27b2f679 137 uint32_t d;
abbd8870 138 unsigned long flags;
3d71644c 139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 140
1da177e4 141 pci_set_master(ha->pdev);
af6177d8 142 pci_try_set_mwi(ha->pdev);
1da177e4 143
1da177e4 144 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 145 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 146 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
147
148 /* Reset expansion ROM address decode enable */
27b2f679
AK		 149 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
150 d &= ~PCI_ROM_ADDRESS_ENABLE;
151 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 152
153 /* Get PCI bus information. */
154 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 155 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 156 spin_unlock_irqrestore(&ha->hardware_lock, flags);
157
abbd8870
AV		 158 return QLA_SUCCESS;
159}
1da177e4 160
abbd8870
AV		 161/**
162 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
163 * @ha: HA context
164 *
165 * Returns 0 on success.
166 */
167int
168qla2300_pci_config(scsi_qla_host_t *ha)
169{
a157b101 170 uint16_t w;
27b2f679 171 uint32_t d;
abbd8870
AV		 172 unsigned long flags = 0;
173 uint32_t cnt;
3d71644c 174 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 175
abbd8870 176 pci_set_master(ha->pdev);
af6177d8 177 pci_try_set_mwi(ha->pdev);
1da177e4 178
abbd8870 179 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 180 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 181
abbd8870
AV		 182 if (IS_QLA2322(ha) || IS_QLA6322(ha))
183 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 184 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 185
abbd8870
AV		 186 /*
187 * If this is a 2300 card and not 2312, reset the
188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
189 * the 2310 also reports itself as a 2300 so we need to get the
190 * fb revision level -- a 6 indicates it really is a 2300 and
191 * not a 2310.
192 */
193 if (IS_QLA2300(ha)) {
194 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 195
abbd8870 196 /* Pause RISC. */
3d71644c 197 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 198 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 199 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 200 break;
1da177e4 201
abbd8870
AV		 202 udelay(10);
203 }
1da177e4 204
abbd8870 205 /* Select FPM registers. */
3d71644c
AV		 206 WRT_REG_WORD(&reg->ctrl_status, 0x20);
207 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 208
209 /* Get the fb rev level */
3d71644c 210 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 211
212 if (ha->fb_rev == FPM_2300)
a157b101 213 pci_clear_mwi(ha->pdev);
abbd8870
AV		 214
215 /* Deselect FPM registers. */
3d71644c
AV		 216 WRT_REG_WORD(&reg->ctrl_status, 0x0);
217 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 218
219 /* Release RISC module. */
3d71644c 220 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 221 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 222 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 223 break;
224
225 udelay(10);
1da177e4 226 }
1da177e4 227
abbd8870
AV		 228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
229 }
1da177e4 230
abbd8870
AV		 231 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
232
1da177e4 233 /* Reset expansion ROM address decode enable */
27b2f679
AK		 234 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
235 d &= ~PCI_ROM_ADDRESS_ENABLE;
236 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 237
abbd8870
AV		 238 /* Get PCI bus information. */
239 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 240 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
242
243 return QLA_SUCCESS;
1da177e4
LT		 244}
245
0107109e
AV		 246/**
247 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
248 * @ha: HA context
249 *
250 * Returns 0 on success.
251 */
252int
253qla24xx_pci_config(scsi_qla_host_t *ha)
254{
a157b101 255 uint16_t w;
27b2f679 256 uint32_t d;
0107109e
AV		 257 unsigned long flags = 0;
258 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 259
260 pci_set_master(ha->pdev);
af6177d8 261 pci_try_set_mwi(ha->pdev);
0107109e
AV		 262
263 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 264 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 265 w &= ~PCI_COMMAND_INTX_DISABLE;
266 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
267
268 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
269
270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
272 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 273
274 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 275 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
276 pcie_set_readrq(ha->pdev, 2048);
0107109e
AV		 277
278 /* Reset expansion ROM address decode enable */
27b2f679
AK		 279 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
280 d &= ~PCI_ROM_ADDRESS_ENABLE;
281 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e 282
44c10138 283 ha->chip_revision = ha->pdev->revision;
a8488abe 284
0107109e
AV		 285 /* Get PCI bus information. */
286 spin_lock_irqsave(&ha->hardware_lock, flags);
287 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
288 spin_unlock_irqrestore(&ha->hardware_lock, flags);
289
290 return QLA_SUCCESS;
291}
292
c3a2f0df
AV		 293/**
294 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
295 * @ha: HA context
296 *
297 * Returns 0 on success.
298 */
299int
300qla25xx_pci_config(scsi_qla_host_t *ha)
301{
302 uint16_t w;
303 uint32_t d;
304
305 pci_set_master(ha->pdev);
306 pci_try_set_mwi(ha->pdev);
307
308 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
309 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
310 w &= ~PCI_COMMAND_INTX_DISABLE;
311 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
312
313 /* PCIe -- adjust Maximum Read Request Size (2048). */
314 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
315 pcie_set_readrq(ha->pdev, 2048);
316
317 /* Reset expansion ROM address decode enable */
318 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
319 d &= ~PCI_ROM_ADDRESS_ENABLE;
320 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
321
322 ha->chip_revision = ha->pdev->revision;
323
324 return QLA_SUCCESS;
325}
326
1da177e4
LT		 327/**
328 * qla2x00_isp_firmware() - Choose firmware image.
329 * @ha: HA context
330 *
331 * Returns 0 on success.
332 */
333static int
334qla2x00_isp_firmware(scsi_qla_host_t *ha)
335{
336 int rval;
337
338 /* Assume loading risc code */
fa2a1ce5 339 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 340
341 if (ha->flags.disable_risc_code_load) {
342 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
343 ha->host_no));
344 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
345
346 /* Verify checksum of loaded RISC code. */
441d1072 347 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
1da177e4
LT		 348 }
349
350 if (rval) {
351 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
352 ha->host_no));
353 }
354
355 return (rval);
356}
357
358/**
359 * qla2x00_reset_chip() - Reset ISP chip.
360 * @ha: HA context
361 *
362 * Returns 0 on success.
363 */
abbd8870 364void
fa2a1ce5 365qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 366{
367 unsigned long flags = 0;
3d71644c 368 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 369 uint32_t cnt;
1da177e4
LT		 370 uint16_t cmd;
371
fd34f556 372 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 373
374 spin_lock_irqsave(&ha->hardware_lock, flags);
375
376 /* Turn off master enable */
377 cmd = 0;
378 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
379 cmd &= ~PCI_COMMAND_MASTER;
380 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
381
382 if (!IS_QLA2100(ha)) {
383 /* Pause RISC. */
384 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
385 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
386 for (cnt = 0; cnt < 30000; cnt++) {
387 if ((RD_REG_WORD(&reg->hccr) &
388 HCCR_RISC_PAUSE) != 0)
389 break;
390 udelay(100);
391 }
392 } else {
393 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
394 udelay(10);
395 }
396
397 /* Select FPM registers. */
398 WRT_REG_WORD(&reg->ctrl_status, 0x20);
399 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
400
401 /* FPM Soft Reset. */
402 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
403 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
404
405 /* Toggle Fpm Reset. */
406 if (!IS_QLA2200(ha)) {
407 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
408 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
409 }
410
411 /* Select frame buffer registers. */
412 WRT_REG_WORD(&reg->ctrl_status, 0x10);
413 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
414
415 /* Reset frame buffer FIFOs. */
416 if (IS_QLA2200(ha)) {
417 WRT_FB_CMD_REG(ha, reg, 0xa000);
418 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
419 } else {
420 WRT_FB_CMD_REG(ha, reg, 0x00fc);
421
422 /* Read back fb_cmd until zero or 3 seconds max */
423 for (cnt = 0; cnt < 3000; cnt++) {
424 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
425 break;
426 udelay(100);
427 }
428 }
429
430 /* Select RISC module registers. */
431 WRT_REG_WORD(&reg->ctrl_status, 0);
432 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
433
434 /* Reset RISC processor. */
435 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
436 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
437
438 /* Release RISC processor. */
439 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
440 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
441 }
442
443 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
444 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
445
446 /* Reset ISP chip. */
447 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
448
449 /* Wait for RISC to recover from reset. */
450 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
451 /*
452 * It is necessary to for a delay here since the card doesn't
453 * respond to PCI reads during a reset. On some architectures
454 * this will result in an MCA.
455 */
456 udelay(20);
457 for (cnt = 30000; cnt; cnt--) {
458 if ((RD_REG_WORD(&reg->ctrl_status) &
459 CSR_ISP_SOFT_RESET) == 0)
460 break;
461 udelay(100);
462 }
463 } else
464 udelay(10);
465
466 /* Reset RISC processor. */
467 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
468
469 WRT_REG_WORD(&reg->semaphore, 0);
470
471 /* Release RISC processor. */
472 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
473 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
474
475 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
476 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 477 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 478 break;
1da177e4
LT		 479
480 udelay(100);
481 }
482 } else
483 udelay(100);
484
485 /* Turn on master enable */
486 cmd |= PCI_COMMAND_MASTER;
487 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
488
489 /* Disable RISC pause on FPM parity error. */
490 if (!IS_QLA2100(ha)) {
491 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
492 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
493 }
494
495 spin_unlock_irqrestore(&ha->hardware_lock, flags);
496}
497
0107109e 498/**
88c26663 499 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 500 * @ha: HA context
501 *
502 * Returns 0 on success.
503 */
88c26663
AV		 504static inline void
505qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e 506{
cb8dacbf 507 int hw_evt = 0;
0107109e
AV		 508 unsigned long flags = 0;
509 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
510 uint32_t cnt, d2;
335a1cc9 511 uint16_t wd;
0107109e 512
0107109e
AV		 513 spin_lock_irqsave(&ha->hardware_lock, flags);
514
515 /* Reset RISC. */
516 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
517 for (cnt = 0; cnt < 30000; cnt++) {
518 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
519 break;
520
521 udelay(10);
522 }
523
524 WRT_REG_DWORD(&reg->ctrl_status,
525 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 526 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 527
335a1cc9 528 udelay(100);
88c26663 529 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 530 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
531 for (cnt = 10000 ; cnt && d2; cnt--) {
532 udelay(5);
533 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
534 barrier();
535 }
cb8dacbf
AV		 536 if (cnt == 0)
537 hw_evt = 1;
88c26663 538
335a1cc9 539 /* Wait for soft-reset to complete. */
0107109e
AV		 540 d2 = RD_REG_DWORD(&reg->ctrl_status);
541 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
542 udelay(5);
543 d2 = RD_REG_DWORD(&reg->ctrl_status);
544 barrier();
545 }
cb8dacbf
AV		 546 if (cnt == 0 || hw_evt)
547 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR,
548 RD_REG_WORD(&reg->mailbox1), RD_REG_WORD(&reg->mailbox2),
549 RD_REG_WORD(&reg->mailbox3));
0107109e
AV		 550
551 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
552 RD_REG_DWORD(&reg->hccr);
553
554 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
555 RD_REG_DWORD(&reg->hccr);
556
557 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
558 RD_REG_DWORD(&reg->hccr);
559
560 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
561 for (cnt = 6000000 ; cnt && d2; cnt--) {
562 udelay(5);
563 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
564 barrier();
565 }
566
567 spin_unlock_irqrestore(&ha->hardware_lock, flags);
568}
569
88c26663
AV		 570/**
571 * qla24xx_reset_chip() - Reset ISP24xx chip.
572 * @ha: HA context
573 *
574 * Returns 0 on success.
575 */
576void
577qla24xx_reset_chip(scsi_qla_host_t *ha)
578{
fd34f556 579 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 580
581 /* Perform RISC reset. */
582 qla24xx_reset_risc(ha);
583}
584
1da177e4
LT		 585/**
586 * qla2x00_chip_diag() - Test chip for proper operation.
587 * @ha: HA context
588 *
589 * Returns 0 on success.
590 */
abbd8870 591int
1da177e4
LT		 592qla2x00_chip_diag(scsi_qla_host_t *ha)
593{
594 int rval;
3d71644c 595 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 596 unsigned long flags = 0;
597 uint16_t data;
598 uint32_t cnt;
599 uint16_t mb[5];
600
601 /* Assume a failed state */
602 rval = QLA_FUNCTION_FAILED;
603
604 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
605 ha->host_no, (u_long)&reg->flash_address));
606
607 spin_lock_irqsave(&ha->hardware_lock, flags);
608
609 /* Reset ISP chip. */
610 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
611
612 /*
613 * We need to have a delay here since the card will not respond while
614 * in reset causing an MCA on some architectures.
615 */
616 udelay(20);
617 data = qla2x00_debounce_register(&reg->ctrl_status);
618 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
619 udelay(5);
620 data = RD_REG_WORD(&reg->ctrl_status);
621 barrier();
622 }
623
624 if (!cnt)
625 goto chip_diag_failed;
626
627 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
628 ha->host_no));
629
630 /* Reset RISC processor. */
631 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
632 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
633
634 /* Workaround for QLA2312 PCI parity error */
635 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
636 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
637 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
638 udelay(5);
639 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 640 barrier();
1da177e4
LT		 641 }
642 } else
643 udelay(10);
644
645 if (!cnt)
646 goto chip_diag_failed;
647
648 /* Check product ID of chip */
649 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
650
651 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
652 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
653 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
654 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
655 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
656 mb[3] != PROD_ID_3) {
657 qla_printk(KERN_WARNING, ha,
658 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
659
660 goto chip_diag_failed;
661 }
662 ha->product_id[0] = mb[1];
663 ha->product_id[1] = mb[2];
664 ha->product_id[2] = mb[3];
665 ha->product_id[3] = mb[4];
666
667 /* Adjust fw RISC transfer size */
668 if (ha->request_q_length > 1024)
669 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
670 else
671 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
672 ha->request_q_length;
673
674 if (IS_QLA2200(ha) &&
675 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
676 /* Limit firmware transfer size with a 2200A */
677 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
678 ha->host_no));
679
ea5b6382 680 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 681 ha->fw_transfer_size = 128;
682 }
683
684 /* Wrap Incoming Mailboxes Test. */
685 spin_unlock_irqrestore(&ha->hardware_lock, flags);
686
687 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
688 rval = qla2x00_mbx_reg_test(ha);
689 if (rval) {
690 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
691 ha->host_no));
692 qla_printk(KERN_WARNING, ha,
693 "Failed mailbox send register test\n");
694 }
695 else {
696 /* Flag a successful rval */
697 rval = QLA_SUCCESS;
698 }
699 spin_lock_irqsave(&ha->hardware_lock, flags);
700
701chip_diag_failed:
702 if (rval)
703 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
704 "****\n", ha->host_no));
705
706 spin_unlock_irqrestore(&ha->hardware_lock, flags);
707
708 return (rval);
709}
710
0107109e
AV		 711/**
712 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
713 * @ha: HA context
714 *
715 * Returns 0 on success.
716 */
717int
718qla24xx_chip_diag(scsi_qla_host_t *ha)
719{
720 int rval;
0107109e 721
88c26663
AV		 722 /* Perform RISC reset. */
723 qla24xx_reset_risc(ha);
0107109e
AV		 724
725 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
726
727 rval = qla2x00_mbx_reg_test(ha);
728 if (rval) {
729 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
730 ha->host_no));
731 qla_printk(KERN_WARNING, ha,
732 "Failed mailbox send register test\n");
733 } else {
734 /* Flag a successful rval */
735 rval = QLA_SUCCESS;
736 }
737
738 return rval;
739}
740
a7a167bf 741void
0107109e
AV		 742qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
743{
a7a167bf
AV		 744 int rval;
745 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
df613b96
AV		 746 eft_size, fce_size;
747 dma_addr_t tc_dma;
748 void *tc;
a7a167bf
AV		 749
750 if (ha->fw_dump) {
751 qla_printk(KERN_WARNING, ha,
752 "Firmware dump previously allocated.\n");
753 return;
754 }
d4e3e04d 755
0107109e 756 ha->fw_dumped = 0;
df613b96 757 fixed_size = mem_size = eft_size = fce_size = 0;
d4e3e04d 758 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 759 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 760 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 761 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
762 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
763 sizeof(uint16_t);
e428924c 764 } else if (IS_FWI2_CAPABLE(ha)) {
c3a2f0df
AV		 765 fixed_size = IS_QLA25XX(ha) ?
766 offsetof(struct qla25xx_fw_dump, ext_mem):
767 offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 768 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
769 sizeof(uint32_t);
770
771 /* Allocate memory for Extended Trace Buffer. */
df613b96 772 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
a7a167bf 773 GFP_KERNEL);
df613b96 774 if (!tc) {
a7a167bf
AV		 775 qla_printk(KERN_WARNING, ha, "Unable to allocate "
776 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
777 goto cont_alloc;
778 }
779
fc44765f 780 memset(tc, 0, EFT_SIZE);
df613b96 781 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
a7a167bf
AV		 782 if (rval) {
783 qla_printk(KERN_WARNING, ha, "Unable to initialize "
784 "EFT (%d).\n", rval);
df613b96
AV		 785 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
786 tc_dma);
a7a167bf
AV		 787 goto cont_alloc;
788 }
789
790 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
791 EFT_SIZE / 1024);
792
793 eft_size = EFT_SIZE;
df613b96
AV		 794 ha->eft_dma = tc_dma;
795 ha->eft = tc;
796
797 /* Allocate memory for Fibre Channel Event Buffer. */
798 if (!IS_QLA25XX(ha))
799 goto cont_alloc;
800
801 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
802 GFP_KERNEL);
803 if (!tc) {
804 qla_printk(KERN_WARNING, ha, "Unable to allocate "
805 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
806 goto cont_alloc;
807 }
808
809 memset(tc, 0, FCE_SIZE);
810 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
811 ha->fce_mb, &ha->fce_bufs);
812 if (rval) {
813 qla_printk(KERN_WARNING, ha, "Unable to initialize "
814 "FCE (%d).\n", rval);
815 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
816 tc_dma);
817 ha->flags.fce_enabled = 0;
818 goto cont_alloc;
819 }
820
821 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
822 FCE_SIZE / 1024);
823
824 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
825 ha->flags.fce_enabled = 1;
826 ha->fce_dma = tc_dma;
827 ha->fce = tc;
d4e3e04d 828 }
a7a167bf
AV		 829cont_alloc:
830 req_q_size = ha->request_q_length * sizeof(request_t);
831 rsp_q_size = ha->response_q_length * sizeof(response_t);
832
833 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
834 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
df613b96 835 eft_size + fce_size;
d4e3e04d
AV		 836
837 ha->fw_dump = vmalloc(dump_size);
a7a167bf 838 if (!ha->fw_dump) {
0107109e 839 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 840 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 841
842 if (ha->eft) {
843 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
844 ha->eft_dma);
845 ha->eft = NULL;
846 ha->eft_dma = 0;
847 }
848 return;
849 }
850
851 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
852 dump_size / 1024);
853
854 ha->fw_dump_len = dump_size;
855 ha->fw_dump->signature[0] = 'Q';
856 ha->fw_dump->signature[1] = 'L';
857 ha->fw_dump->signature[2] = 'G';
858 ha->fw_dump->signature[3] = 'C';
859 ha->fw_dump->version = __constant_htonl(1);
860
861 ha->fw_dump->fixed_size = htonl(fixed_size);
862 ha->fw_dump->mem_size = htonl(mem_size);
863 ha->fw_dump->req_q_size = htonl(req_q_size);
864 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
865
866 ha->fw_dump->eft_size = htonl(eft_size);
867 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
868 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
869
870 ha->fw_dump->header_size =
871 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 872}
873
1da177e4
LT		 874/**
875 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
876 * @ha: HA context
877 *
878 * Returns 0 on success.
879 */
880static void
881qla2x00_resize_request_q(scsi_qla_host_t *ha)
882{
883 int rval;
884 uint16_t fw_iocb_cnt = 0;
885 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
886 dma_addr_t request_dma;
887 request_t *request_ring;
888
889 /* Valid only on recent ISPs. */
890 if (IS_QLA2100(ha) || IS_QLA2200(ha))
891 return;
892
893 /* Retrieve IOCB counts available to the firmware. */
4d0ea247
SJ		 894 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
895 &ha->max_npiv_vports);
1da177e4
LT		 896 if (rval)
897 return;
898 /* No point in continuing if current settings are sufficient. */
899 if (fw_iocb_cnt < 1024)
900 return;
901 if (ha->request_q_length >= request_q_length)
902 return;
903
904 /* Attempt to claim larger area for request queue. */
905 request_ring = dma_alloc_coherent(&ha->pdev->dev,
906 (request_q_length + 1) * sizeof(request_t), &request_dma,
907 GFP_KERNEL);
908 if (request_ring == NULL)
909 return;
910
911 /* Resize successful, report extensions. */
912 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
913 (ha->fw_memory_size + 1) / 1024);
914 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
915 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
916
917 /* Clear old allocations. */
918 dma_free_coherent(&ha->pdev->dev,
919 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
920 ha->request_dma);
921
922 /* Begin using larger queue. */
923 ha->request_q_length = request_q_length;
924 ha->request_ring = request_ring;
925 ha->request_dma = request_dma;
926}
927
928/**
929 * qla2x00_setup_chip() - Load and start RISC firmware.
930 * @ha: HA context
931 *
932 * Returns 0 on success.
933 */
934static int
935qla2x00_setup_chip(scsi_qla_host_t *ha)
936{
0107109e
AV		 937 int rval;
938 uint32_t srisc_address = 0;
3db0652e
AV		 939 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
940 unsigned long flags;
941
942 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
943 /* Disable SRAM, Instruction RAM and GP RAM parity. */
944 spin_lock_irqsave(&ha->hardware_lock, flags);
945 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
946 RD_REG_WORD(&reg->hccr);
947 spin_unlock_irqrestore(&ha->hardware_lock, flags);
948 }
1da177e4
LT		 949
950 /* Load firmware sequences */
fd34f556 951 rval = ha->isp_ops->load_risc(ha, &srisc_address);
0107109e 952 if (rval == QLA_SUCCESS) {
1da177e4
LT		 953 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
954 "code.\n", ha->host_no));
955
0107109e 956 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 957 if (rval == QLA_SUCCESS) {
958 /* Start firmware execution. */
959 DEBUG(printk("scsi(%ld): Checksum OK, start "
960 "firmware.\n", ha->host_no));
961
0107109e 962 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 963 /* Retrieve firmware information. */
964 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
965 qla2x00_get_fw_version(ha,
966 &ha->fw_major_version,
967 &ha->fw_minor_version,
968 &ha->fw_subminor_version,
969 &ha->fw_attributes, &ha->fw_memory_size);
970 qla2x00_resize_request_q(ha);
2c3dfe3f 971 ha->flags.npiv_supported = 0;
4d0ea247
SJ		 972 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
973 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 974 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 975 if ((!ha->max_npiv_vports) ||
976 ((ha->max_npiv_vports + 1) %
eb66dc60 977 MIN_MULTI_ID_FABRIC))
4d0ea247 978 ha->max_npiv_vports =
eb66dc60 979 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 980 }
a7a167bf
AV		 981
982 if (ql2xallocfwdump)
983 qla2x00_alloc_fw_dump(ha);
1da177e4
LT		 984 }
985 } else {
986 DEBUG2(printk(KERN_INFO
987 "scsi(%ld): ISP Firmware failed checksum.\n",
988 ha->host_no));
989 }
990 }
991
3db0652e
AV		 992 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
993 /* Enable proper parity. */
994 spin_lock_irqsave(&ha->hardware_lock, flags);
995 if (IS_QLA2300(ha))
996 /* SRAM parity */
997 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
998 else
999 /* SRAM, Instruction RAM and GP RAM parity */
1000 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1001 RD_REG_WORD(&reg->hccr);
1002 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1003 }
1004
1da177e4
LT		 1005 if (rval) {
1006 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1007 ha->host_no));
1008 }
1009
1010 return (rval);
1011}
1012
1013/**
1014 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1015 * @ha: HA context
1016 *
1017 * Beginning of request ring has initialization control block already built
1018 * by nvram config routine.
1019 *
1020 * Returns 0 on success.
1021 */
1022static void
1023qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1024{
1025 uint16_t cnt;
1026 response_t *pkt;
1027
1028 pkt = ha->response_ring_ptr;
1029 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1030 pkt->signature = RESPONSE_PROCESSED;
1031 pkt++;
1032 }
1033
1034}
1035
1036/**
1037 * qla2x00_update_fw_options() - Read and process firmware options.
1038 * @ha: HA context
1039 *
1040 * Returns 0 on success.
1041 */
abbd8870 1042void
1da177e4
LT		 1043qla2x00_update_fw_options(scsi_qla_host_t *ha)
1044{
1045 uint16_t swing, emphasis, tx_sens, rx_sens;
1046
1047 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1048 qla2x00_get_fw_options(ha, ha->fw_options);
1049
1050 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1051 return;
1052
1053 /* Serial Link options. */
1054 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1055 ha->host_no));
1056 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1057 sizeof(ha->fw_seriallink_options)));
1058
1059 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1060 if (ha->fw_seriallink_options[3] & BIT_2) {
1061 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1062
1063 /* 1G settings */
1064 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1065 emphasis = (ha->fw_seriallink_options[2] &
1066 (BIT_4 | BIT_3)) >> 3;
1067 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1068 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1069 rx_sens = (ha->fw_seriallink_options[0] &
1070 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1071 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1072 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1073 if (rx_sens == 0x0)
1074 rx_sens = 0x3;
1075 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1076 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1077 ha->fw_options[10] |= BIT_5 |
1078 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1079 (tx_sens & (BIT_1 | BIT_0));
1080
1081 /* 2G settings */
1082 swing = (ha->fw_seriallink_options[2] &
1083 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1084 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1085 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1086 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1087 rx_sens = (ha->fw_seriallink_options[1] &
1088 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1089 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1090 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1091 if (rx_sens == 0x0)
1092 rx_sens = 0x3;
1093 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1094 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1095 ha->fw_options[11] |= BIT_5 |
1096 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1097 (tx_sens & (BIT_1 | BIT_0));
1098 }
1099
1100 /* FCP2 options. */
1101 /* Return command IOCBs without waiting for an ABTS to complete. */
1102 ha->fw_options[3] |= BIT_13;
1103
1104 /* LED scheme. */
1105 if (ha->flags.enable_led_scheme)
1106 ha->fw_options[2] |= BIT_12;
1107
48c02fde
AV		 1108 /* Detect ISP6312. */
1109 if (IS_QLA6312(ha))
1110 ha->fw_options[2] |= BIT_13;
1111
1da177e4
LT		 1112 /* Update firmware options. */
1113 qla2x00_set_fw_options(ha, ha->fw_options);
1114}
1115
0107109e
AV		 1116void
1117qla24xx_update_fw_options(scsi_qla_host_t *ha)
1118{
1119 int rval;
1120
1121 /* Update Serial Link options. */
f94097ed 1122 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1123 return;
1124
f94097ed
AV		 1125 rval = qla2x00_set_serdes_params(ha,
1126 le16_to_cpu(ha->fw_seriallink_options24[1]),
1127 le16_to_cpu(ha->fw_seriallink_options24[2]),
1128 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1129 if (rval != QLA_SUCCESS) {
1130 qla_printk(KERN_WARNING, ha,
1131 "Unable to update Serial Link options (%x).\n", rval);
1132 }
1133}
1134
abbd8870
AV		 1135void
1136qla2x00_config_rings(struct scsi_qla_host *ha)
1137{
3d71644c 1138 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1139
1140 /* Setup ring parameters in initialization control block. */
1141 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1142 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1143 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1144 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1145 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1146 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1147 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1148 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1149
1150 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1151 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1152 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1153 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1154 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1155}
1156
0107109e
AV		 1157void
1158qla24xx_config_rings(struct scsi_qla_host *ha)
1159{
1160 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1161 struct init_cb_24xx *icb;
1162
1163 /* Setup ring parameters in initialization control block. */
1164 icb = (struct init_cb_24xx *)ha->init_cb;
1165 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1166 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1167 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1168 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1169 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1170 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1171 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1172 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1173
1174 WRT_REG_DWORD(&reg->req_q_in, 0);
1175 WRT_REG_DWORD(&reg->req_q_out, 0);
1176 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1177 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1178 RD_REG_DWORD(&reg->rsp_q_out);
1179}
1180
1da177e4
LT		 1181/**
1182 * qla2x00_init_rings() - Initializes firmware.
1183 * @ha: HA context
1184 *
1185 * Beginning of request ring has initialization control block already built
1186 * by nvram config routine.
1187 *
1188 * Returns 0 on success.
1189 */
1190static int
1191qla2x00_init_rings(scsi_qla_host_t *ha)
1192{
1193 int rval;
1194 unsigned long flags = 0;
1195 int cnt;
2c3dfe3f
SJ		 1196 struct mid_init_cb_24xx *mid_init_cb =
1197 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1198
1199 spin_lock_irqsave(&ha->hardware_lock, flags);
1200
1201 /* Clear outstanding commands array. */
1202 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1203 ha->outstanding_cmds[cnt] = NULL;
1204
1205 ha->current_outstanding_cmd = 0;
1206
1207 /* Clear RSCN queue. */
1208 ha->rscn_in_ptr = 0;
1209 ha->rscn_out_ptr = 0;
1210
1211 /* Initialize firmware. */
1212 ha->request_ring_ptr = ha->request_ring;
1213 ha->req_ring_index = 0;
1214 ha->req_q_cnt = ha->request_q_length;
1215 ha->response_ring_ptr = ha->response_ring;
1216 ha->rsp_ring_index = 0;
1217
1da177e4
LT		 1218 /* Initialize response queue entries */
1219 qla2x00_init_response_q_entries(ha);
1220
fd34f556 1221 ha->isp_ops->config_rings(ha);
1da177e4
LT		 1222
1223 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1224
1225 /* Update any ISP specific firmware options before initialization. */
fd34f556 1226 ha->isp_ops->update_fw_options(ha);
1da177e4
LT		 1227
1228 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
2c3dfe3f 1229
c48339de
SJ		 1230 if (ha->flags.npiv_supported)
1231 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1232
eb66dc60 1233 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2c3dfe3f 1234
0107109e 1235 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1236 if (rval) {
1237 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1238 ha->host_no));
1239 } else {
1240 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1241 ha->host_no));
1242 }
1243
1244 return (rval);
1245}
1246
1247/**
1248 * qla2x00_fw_ready() - Waits for firmware ready.
1249 * @ha: HA context
1250 *
1251 * Returns 0 on success.
1252 */
1253static int
1254qla2x00_fw_ready(scsi_qla_host_t *ha)
1255{
1256 int rval;
4d4df193 1257 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1258 uint16_t min_wait; /* Minimum wait time if loop is down */
1259 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1260 uint16_t state[3];
1da177e4
LT		 1261
1262 rval = QLA_SUCCESS;
1263
1264 /* 20 seconds for loop down. */
fa2a1ce5 1265 min_wait = 20;
1da177e4
LT		 1266
1267 /*
1268 * Firmware should take at most one RATOV to login, plus 5 seconds for
1269 * our own processing.
1270 */
1271 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1272 wait_time = min_wait;
1273 }
1274
1275 /* Min wait time if loop down */
1276 mtime = jiffies + (min_wait * HZ);
1277
1278 /* wait time before firmware ready */
1279 wtime = jiffies + (wait_time * HZ);
1280
1281 /* Wait for ISP to finish LIP */
1282 if (!ha->flags.init_done)
1283 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1284
1285 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1286 ha->host_no));
1287
1288 do {
4d4df193 1289 rval = qla2x00_get_firmware_state(ha, state);
1da177e4 1290 if (rval == QLA_SUCCESS) {
4d4df193 1291 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1da177e4
LT		 1292 ha->device_flags &= ~DFLG_NO_CABLE;
1293 }
4d4df193
HK		 1294 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1295 DEBUG16(printk("scsi(%ld): fw_state=%x "
1296 "84xx=%x.\n", ha->host_no, state[0],
1297 state[2]));
1298 if ((state[2] & FSTATE_LOGGED_IN) &&
1299 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1300 DEBUG16(printk("scsi(%ld): Sending "
1301 "verify iocb.\n", ha->host_no));
1302
1303 cs84xx_time = jiffies;
1304 rval = qla84xx_init_chip(ha);
1305 if (rval != QLA_SUCCESS)
1306 break;
1307
1308 /* Add time taken to initialize. */
1309 cs84xx_time = jiffies - cs84xx_time;
1310 wtime += cs84xx_time;
1311 mtime += cs84xx_time;
1312 DEBUG16(printk("scsi(%ld): Increasing "
1313 "wait time by %ld. New time %ld\n",
1314 ha->host_no, cs84xx_time, wtime));
1315 }
1316 } else if (state[0] == FSTATE_READY) {
1da177e4
LT		 1317 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1318 ha->host_no));
1319
1320 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1321 &ha->login_timeout, &ha->r_a_tov);
1322
1323 rval = QLA_SUCCESS;
1324 break;
1325 }
1326
1327 rval = QLA_FUNCTION_FAILED;
1328
1329 if (atomic_read(&ha->loop_down_timer) &&
4d4df193 1330 state[0] != FSTATE_READY) {
1da177e4 1331 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1332 * other than Wait for Login.
1333 */
1da177e4
LT		 1334 if (time_after_eq(jiffies, mtime)) {
1335 qla_printk(KERN_INFO, ha,
1336 "Cable is unplugged...\n");
1337
1338 ha->device_flags |= DFLG_NO_CABLE;
1339 break;
1340 }
1341 }
1342 } else {
1343 /* Mailbox cmd failed. Timeout on min_wait. */
1344 if (time_after_eq(jiffies, mtime))
1345 break;
1346 }
1347
1348 if (time_after_eq(jiffies, wtime))
1349 break;
1350
1351 /* Delay for a while */
1352 msleep(500);
1353
1354 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
4d4df193 1355 ha->host_no, state[0], jiffies));
1da177e4
LT		 1356 } while (1);
1357
1358 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
4d4df193 1359 ha->host_no, state[0], jiffies));
1da177e4
LT		 1360
1361 if (rval) {
1362 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1363 ha->host_no));
1364 }
1365
1366 return (rval);
1367}
1368
1369/*
1370* qla2x00_configure_hba
1371* Setup adapter context.
1372*
1373* Input:
1374* ha = adapter state pointer.
1375*
1376* Returns:
1377* 0 = success
1378*
1379* Context:
1380* Kernel context.
1381*/
1382static int
1383qla2x00_configure_hba(scsi_qla_host_t *ha)
1384{
1385 int rval;
1386 uint16_t loop_id;
1387 uint16_t topo;
2c3dfe3f 1388 uint16_t sw_cap;
1da177e4
LT		 1389 uint8_t al_pa;
1390 uint8_t area;
1391 uint8_t domain;
1392 char connect_type[22];
1393
1394 /* Get host addresses. */
1395 rval = qla2x00_get_adapter_id(ha,
2c3dfe3f 1396 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1397 if (rval != QLA_SUCCESS) {
23443b1d 1398 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1399 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1400 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1401 __func__, ha->host_no));
1402 } else {
1403 qla_printk(KERN_WARNING, ha,
1404 "ERROR -- Unable to get host loop ID.\n");
1405 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1406 }
1da177e4
LT		 1407 return (rval);
1408 }
1409
1410 if (topo == 4) {
1411 qla_printk(KERN_INFO, ha,
1412 "Cannot get topology - retrying.\n");
1413 return (QLA_FUNCTION_FAILED);
1414 }
1415
1416 ha->loop_id = loop_id;
1417
1418 /* initialize */
1419 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1420 ha->operating_mode = LOOP;
2c3dfe3f 1421 ha->switch_cap = 0;
1da177e4
LT		 1422
1423 switch (topo) {
1424 case 0:
1425 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1426 ha->host_no));
1427 ha->current_topology = ISP_CFG_NL;
1428 strcpy(connect_type, "(Loop)");
1429 break;
1430
1431 case 1:
1432 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1433 ha->host_no));
2c3dfe3f 1434 ha->switch_cap = sw_cap;
1da177e4
LT		 1435 ha->current_topology = ISP_CFG_FL;
1436 strcpy(connect_type, "(FL_Port)");
1437 break;
1438
1439 case 2:
1440 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1441 ha->host_no));
1442 ha->operating_mode = P2P;
1443 ha->current_topology = ISP_CFG_N;
1444 strcpy(connect_type, "(N_Port-to-N_Port)");
1445 break;
1446
1447 case 3:
1448 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1449 ha->host_no));
2c3dfe3f 1450 ha->switch_cap = sw_cap;
1da177e4
LT		 1451 ha->operating_mode = P2P;
1452 ha->current_topology = ISP_CFG_F;
1453 strcpy(connect_type, "(F_Port)");
1454 break;
1455
1456 default:
1457 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1458 "Using NL.\n",
1459 ha->host_no, topo));
1460 ha->current_topology = ISP_CFG_NL;
1461 strcpy(connect_type, "(Loop)");
1462 break;
1463 }
1464
1465 /* Save Host port and loop ID. */
1466 /* byte order - Big Endian */
1467 ha->d_id.b.domain = domain;
1468 ha->d_id.b.area = area;
1469 ha->d_id.b.al_pa = al_pa;
1470
1471 if (!ha->flags.init_done)
1472 qla_printk(KERN_INFO, ha,
1473 "Topology - %s, Host Loop address 0x%x\n",
1474 connect_type, ha->loop_id);
1475
1476 if (rval) {
1477 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1478 } else {
1479 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1480 }
1481
1482 return(rval);
1483}
1484
9bb9fcf2
AV		 1485static inline void
1486qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1487{
1488 char *st, *en;
1489 uint16_t index;
1490
1491 if (memcmp(model, BINZERO, len) != 0) {
1492 strncpy(ha->model_number, model, len);
1493 st = en = ha->model_number;
1494 en += len - 1;
1495 while (en > st) {
1496 if (*en != 0x20 && *en != 0x00)
1497 break;
1498 *en-- = '\0';
1499 }
1500
1501 index = (ha->pdev->subsystem_device & 0xff);
1502 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1503 index < QLA_MODEL_NAMES)
1504 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1505 } else {
1506 index = (ha->pdev->subsystem_device & 0xff);
1507 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1508 index < QLA_MODEL_NAMES) {
1509 strcpy(ha->model_number,
1510 qla2x00_model_name[index * 2]);
1511 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1512 } else {
1513 strcpy(ha->model_number, def);
1514 }
1515 }
1516}
1517
4e08df3f
DM		 1518/* On sparc systems, obtain port and node WWN from firmware
1519 * properties.
1520 */
1521static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1522{
1523#ifdef CONFIG_SPARC
1524 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1525 struct device_node *dp = pci_device_to_OF_node(pdev);
1526 const u8 *val;
4e08df3f
DM		 1527 int len;
1528
1529 val = of_get_property(dp, "port-wwn", &len);
1530 if (val && len >= WWN_SIZE)
1531 memcpy(nv->port_name, val, WWN_SIZE);
1532
1533 val = of_get_property(dp, "node-wwn", &len);
1534 if (val && len >= WWN_SIZE)
1535 memcpy(nv->node_name, val, WWN_SIZE);
1536#endif
1537}
1538
1da177e4
LT		 1539/*
1540* NVRAM configuration for ISP 2xxx
1541*
1542* Input:
1543* ha = adapter block pointer.
1544*
1545* Output:
1546* initialization control block in response_ring
1547* host adapters parameters in host adapter block
1548*
1549* Returns:
1550* 0 = success.
1551*/
abbd8870 1552int
1da177e4
LT		 1553qla2x00_nvram_config(scsi_qla_host_t *ha)
1554{
4e08df3f 1555 int rval;
0107109e
AV		 1556 uint8_t chksum = 0;
1557 uint16_t cnt;
1558 uint8_t *dptr1, *dptr2;
1559 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1560 nvram_t *nv = ha->nvram;
1561 uint8_t *ptr = ha->nvram;
3d71644c 1562 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1563
4e08df3f
DM		 1564 rval = QLA_SUCCESS;
1565
1da177e4 1566 /* Determine NVRAM starting address. */
0107109e 1567 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1568 ha->nvram_base = 0;
1569 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1570 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1571 ha->nvram_base = 0x80;
1572
1573 /* Get NVRAM data and calculate checksum. */
fd34f556 1574 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1575 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1576 chksum += *ptr++;
1da177e4
LT		 1577
1578 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 1579 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1580
1581 /* Bad NVRAM data, set defaults parameters. */
1582 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1583 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1584 /* Reset NVRAM data. */
1585 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1586 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1587 nv->nvram_version);
4e08df3f
DM		 1588 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1589 "invalid -- WWPN) defaults.\n");
1590
cb8dacbf
AV		 1591 if (chksum)
1592 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0,
1593 MSW(chksum), LSW(chksum));
1594
4e08df3f
DM		 1595 /*
1596 * Set default initialization control block.
1597 */
1598 memset(nv, 0, ha->nvram_size);
1599 nv->parameter_block_version = ICB_VERSION;
1600
1601 if (IS_QLA23XX(ha)) {
1602 nv->firmware_options[0] = BIT_2 | BIT_1;
1603 nv->firmware_options[1] = BIT_7 | BIT_5;
1604 nv->add_firmware_options[0] = BIT_5;
1605 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1606 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1607 nv->special_options[1] = BIT_7;
1608 } else if (IS_QLA2200(ha)) {
1609 nv->firmware_options[0] = BIT_2 | BIT_1;
1610 nv->firmware_options[1] = BIT_7 | BIT_5;
1611 nv->add_firmware_options[0] = BIT_5;
1612 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1613 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1614 } else if (IS_QLA2100(ha)) {
1615 nv->firmware_options[0] = BIT_3 | BIT_1;
1616 nv->firmware_options[1] = BIT_5;
1617 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1618 }
1619
1620 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1621 nv->execution_throttle = __constant_cpu_to_le16(16);
1622 nv->retry_count = 8;
1623 nv->retry_delay = 1;
1624
1625 nv->port_name[0] = 33;
1626 nv->port_name[3] = 224;
1627 nv->port_name[4] = 139;
1628
1629 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1630
1631 nv->login_timeout = 4;
1632
1633 /*
1634 * Set default host adapter parameters
1635 */
1636 nv->host_p[1] = BIT_2;
1637 nv->reset_delay = 5;
1638 nv->port_down_retry_count = 8;
1639 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1640 nv->link_down_timeout = 60;
1641
1642 rval = 1;
1da177e4
LT		 1643 }
1644
1645#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1646 /*
1647 * The SN2 does not provide BIOS emulation which means you can't change
1648 * potentially bogus BIOS settings. Force the use of default settings
1649 * for link rate and frame size. Hope that the rest of the settings
1650 * are valid.
1651 */
1652 if (ia64_platform_is("sn2")) {
1653 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1654 if (IS_QLA23XX(ha))
1655 nv->special_options[1] = BIT_7;
1656 }
1657#endif
1658
1659 /* Reset Initialization control block */
0107109e 1660 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1661
1662 /*
1663 * Setup driver NVRAM options.
1664 */
1665 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1666 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1667 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1668 nv->firmware_options[1] &= ~BIT_4;
1669
1670 if (IS_QLA23XX(ha)) {
1671 nv->firmware_options[0] |= BIT_2;
1672 nv->firmware_options[0] &= ~BIT_3;
0107109e 1673 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1674
1675 if (IS_QLA2300(ha)) {
1676 if (ha->fb_rev == FPM_2310) {
1677 strcpy(ha->model_number, "QLA2310");
1678 } else {
1679 strcpy(ha->model_number, "QLA2300");
1680 }
1681 } else {
9bb9fcf2
AV		 1682 qla2x00_set_model_info(ha, nv->model_number,
1683 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1684 }
1685 } else if (IS_QLA2200(ha)) {
1686 nv->firmware_options[0] |= BIT_2;
1687 /*
1688 * 'Point-to-point preferred, else loop' is not a safe
1689 * connection mode setting.
1690 */
1691 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1692 (BIT_5 | BIT_4)) {
1693 /* Force 'loop preferred, else point-to-point'. */
1694 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1695 nv->add_firmware_options[0] |= BIT_5;
1696 }
1697 strcpy(ha->model_number, "QLA22xx");
1698 } else /*if (IS_QLA2100(ha))*/ {
1699 strcpy(ha->model_number, "QLA2100");
1700 }
1701
1702 /*
1703 * Copy over NVRAM RISC parameter block to initialization control block.
1704 */
1705 dptr1 = (uint8_t *)icb;
1706 dptr2 = (uint8_t *)&nv->parameter_block_version;
1707 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1708 while (cnt--)
1709 *dptr1++ = *dptr2++;
1710
1711 /* Copy 2nd half. */
1712 dptr1 = (uint8_t *)icb->add_firmware_options;
1713 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1714 while (cnt--)
1715 *dptr1++ = *dptr2++;
1716
5341e868
AV		 1717 /* Use alternate WWN? */
1718 if (nv->host_p[1] & BIT_7) {
1719 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1720 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1721 }
1722
1da177e4
LT		 1723 /* Prepare nodename */
1724 if ((icb->firmware_options[1] & BIT_6) == 0) {
1725 /*
1726 * Firmware will apply the following mask if the nodename was
1727 * not provided.
1728 */
1729 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1730 icb->node_name[0] &= 0xF0;
1731 }
1732
1733 /*
1734 * Set host adapter parameters.
1735 */
0181944f 1736 if (nv->host_p[0] & BIT_7)
11010fec 1737 ql2xextended_error_logging = 1;
1da177e4
LT		 1738 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1739 /* Always load RISC code on non ISP2[12]00 chips. */
1740 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1741 ha->flags.disable_risc_code_load = 0;
1742 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1743 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1744 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1745 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1746 ha->flags.disable_serdes = 0;
1da177e4
LT		 1747
1748 ha->operating_mode =
1749 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1750
1751 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1752 sizeof(ha->fw_seriallink_options));
1753
1754 /* save HBA serial number */
1755 ha->serial0 = icb->port_name[5];
1756 ha->serial1 = icb->port_name[6];
1757 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1758 ha->node_name = icb->node_name;
1759 ha->port_name = icb->port_name;
1da177e4
LT		 1760
1761 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1762
1763 ha->retry_count = nv->retry_count;
1764
1765 /* Set minimum login_timeout to 4 seconds. */
1766 if (nv->login_timeout < ql2xlogintimeout)
1767 nv->login_timeout = ql2xlogintimeout;
1768 if (nv->login_timeout < 4)
1769 nv->login_timeout = 4;
1770 ha->login_timeout = nv->login_timeout;
1771 icb->login_timeout = nv->login_timeout;
1772
00a537b8
AV		 1773 /* Set minimum RATOV to 100 tenths of a second. */
1774 ha->r_a_tov = 100;
1da177e4 1775
1da177e4
LT		 1776 ha->loop_reset_delay = nv->reset_delay;
1777
1da177e4
LT		 1778 /* Link Down Timeout = 0:
1779 *
1780 * When Port Down timer expires we will start returning
1781 * I/O's to OS with "DID_NO_CONNECT".
1782 *
1783 * Link Down Timeout != 0:
1784 *
1785 * The driver waits for the link to come up after link down
1786 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1787 */
1da177e4
LT		 1788 if (nv->link_down_timeout == 0) {
1789 ha->loop_down_abort_time =
354d6b21 1790 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1791 } else {
1792 ha->link_down_timeout = nv->link_down_timeout;
1793 ha->loop_down_abort_time =
1794 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1795 }
1da177e4 1796
1da177e4
LT		 1797 /*
1798 * Need enough time to try and get the port back.
1799 */
1800 ha->port_down_retry_count = nv->port_down_retry_count;
1801 if (qlport_down_retry)
1802 ha->port_down_retry_count = qlport_down_retry;
1803 /* Set login_retry_count */
1804 ha->login_retry_count = nv->retry_count;
1805 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1806 ha->port_down_retry_count > 3)
1807 ha->login_retry_count = ha->port_down_retry_count;
1808 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1809 ha->login_retry_count = ha->port_down_retry_count;
1810 if (ql2xloginretrycount)
1811 ha->login_retry_count = ql2xloginretrycount;
1812
1da177e4
LT		 1813 icb->lun_enables = __constant_cpu_to_le16(0);
1814 icb->command_resource_count = 0;
1815 icb->immediate_notify_resource_count = 0;
1816 icb->timeout = __constant_cpu_to_le16(0);
1817
1818 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1819 /* Enable RIO */
1820 icb->firmware_options[0] &= ~BIT_3;
1821 icb->add_firmware_options[0] &=
1822 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1823 icb->add_firmware_options[0] |= BIT_2;
1824 icb->response_accumulation_timer = 3;
1825 icb->interrupt_delay_timer = 5;
1826
1827 ha->flags.process_response_queue = 1;
1828 } else {
4fdfefe5
AV		 1829 /* Enable ZIO. */
1830 if (!ha->flags.init_done) {
1831 ha->zio_mode = icb->add_firmware_options[0] &
1832 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1833 ha->zio_timer = icb->interrupt_delay_timer ?
1834 icb->interrupt_delay_timer: 2;
1835 }
1da177e4
LT		 1836 icb->add_firmware_options[0] &=
1837 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1838 ha->flags.process_response_queue = 0;
1839 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1840 ha->zio_mode = QLA_ZIO_MODE_6;
1841
4fdfefe5
AV		 1842 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1843 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1844 ha->zio_timer * 100));
1da177e4 1845 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1846 "ZIO mode %d enabled; timer delay (%d us).\n",
1847 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1848
4fdfefe5
AV		 1849 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1850 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1851 ha->flags.process_response_queue = 1;
1852 }
1853 }
1854
4e08df3f
DM		 1855 if (rval) {
1856 DEBUG2_3(printk(KERN_WARNING
1857 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1858 }
1859 return (rval);
1da177e4
LT		 1860}
1861
19a7b4ae
JSEC		 1862static void
1863qla2x00_rport_del(void *data)
1864{
1865 fc_port_t *fcport = data;
d97994dc 1866 struct fc_rport *rport;
d97994dc 1867
5f3a9a20 1868 spin_lock_irq(fcport->ha->host->host_lock);
d97994dc
AV		 1869 rport = fcport->drport;
1870 fcport->drport = NULL;
5f3a9a20 1871 spin_unlock_irq(fcport->ha->host->host_lock);
d97994dc
AV		 1872 if (rport)
1873 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1874}
1875
1da177e4
LT		 1876/**
1877 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1878 * @ha: HA context
1879 * @flags: allocation flags
1880 *
1881 * Returns a pointer to the allocated fcport, or NULL, if none available.
1882 */
413975a0 1883static fc_port_t *
c53033f6 1884qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1885{
1886 fc_port_t *fcport;
1887
bbfbbbc1
MK		 1888 fcport = kzalloc(sizeof(fc_port_t), flags);
1889 if (!fcport)
1890 return NULL;
1da177e4
LT		 1891
1892 /* Setup fcport template structure. */
1da177e4 1893 fcport->ha = ha;
2c3dfe3f 1894 fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 1895 fcport->port_type = FCT_UNKNOWN;
1896 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1897 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1898 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1899 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1900
bbfbbbc1 1901 return fcport;
1da177e4
LT		 1902}
1903
1904/*
1905 * qla2x00_configure_loop
1906 * Updates Fibre Channel Device Database with what is actually on loop.
1907 *
1908 * Input:
1909 * ha = adapter block pointer.
1910 *
1911 * Returns:
1912 * 0 = success.
1913 * 1 = error.
1914 * 2 = database was full and device was not configured.
1915 */
1916static int
fa2a1ce5 1917qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1918{
1919 int rval;
1920 unsigned long flags, save_flags;
1921
1922 rval = QLA_SUCCESS;
1923
1924 /* Get Initiator ID */
1925 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1926 rval = qla2x00_configure_hba(ha);
1927 if (rval != QLA_SUCCESS) {
1928 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1929 ha->host_no));
1930 return (rval);
1931 }
1932 }
1933
1934 save_flags = flags = ha->dpc_flags;
1935 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1936 ha->host_no, flags));
1937
1938 /*
1939 * If we have both an RSCN and PORT UPDATE pending then handle them
1940 * both at the same time.
1941 */
1942 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1943 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1944
1945 /* Determine what we need to do */
1946 if (ha->current_topology == ISP_CFG_FL &&
1947 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1948
1949 ha->flags.rscn_queue_overflow = 1;
1950 set_bit(RSCN_UPDATE, &flags);
1951
1952 } else if (ha->current_topology == ISP_CFG_F &&
1953 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1954
1955 ha->flags.rscn_queue_overflow = 1;
1956 set_bit(RSCN_UPDATE, &flags);
1957 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1958
1959 } else if (ha->current_topology == ISP_CFG_N) {
1960 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1961
1962 } else if (!ha->flags.online ||
1963 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1964
1965 ha->flags.rscn_queue_overflow = 1;
1966 set_bit(RSCN_UPDATE, &flags);
1967 set_bit(LOCAL_LOOP_UPDATE, &flags);
1968 }
1969
1970 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1971 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1972 rval = QLA_FUNCTION_FAILED;
1973 } else {
1974 rval = qla2x00_configure_local_loop(ha);
1975 }
1976 }
1977
1978 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1979 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1980 rval = QLA_FUNCTION_FAILED;
1981 } else {
1982 rval = qla2x00_configure_fabric(ha);
1983 }
1984 }
1985
1986 if (rval == QLA_SUCCESS) {
1987 if (atomic_read(&ha->loop_down_timer) ||
1988 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1989 rval = QLA_FUNCTION_FAILED;
1990 } else {
1da177e4
LT		 1991 atomic_set(&ha->loop_state, LOOP_READY);
1992
1993 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1994 }
1995 }
1996
1997 if (rval) {
1998 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1999 __func__, ha->host_no));
2000 } else {
2001 DEBUG3(printk("%s: exiting normally\n", __func__));
2002 }
2003
2004 /* Restore state if a resync event occured during processing */
2005 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2006 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2007 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
2008 if (test_bit(RSCN_UPDATE, &save_flags))
2009 set_bit(RSCN_UPDATE, &ha->dpc_flags);
2010 }
2011
2012 return (rval);
2013}
2014
2015
2016
2017/*
2018 * qla2x00_configure_local_loop
2019 * Updates Fibre Channel Device Database with local loop devices.
2020 *
2021 * Input:
2022 * ha = adapter block pointer.
2023 *
2024 * Returns:
2025 * 0 = success.
2026 */
2027static int
fa2a1ce5 2028qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 2029{
2030 int rval, rval2;
2031 int found_devs;
2032 int found;
2033 fc_port_t *fcport, *new_fcport;
2034
2035 uint16_t index;
2036 uint16_t entries;
2037 char *id_iter;
2038 uint16_t loop_id;
2039 uint8_t domain, area, al_pa;
2c3dfe3f 2040 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2041
2042 found_devs = 0;
2043 new_fcport = NULL;
2044 entries = MAX_FIBRE_DEVICES;
2045
2046 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2047 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2048
2049 /* Get list of logged in devices. */
2050 memset(ha->gid_list, 0, GID_LIST_SIZE);
2051 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2052 &entries);
2053 if (rval != QLA_SUCCESS)
2054 goto cleanup_allocation;
2055
2056 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2057 ha->host_no, entries));
2058 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2059 entries * sizeof(struct gid_list_info)));
2060
2061 /* Allocate temporary fcport for any new fcports discovered. */
2062 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2063 if (new_fcport == NULL) {
2064 rval = QLA_MEMORY_ALLOC_FAILED;
2065 goto cleanup_allocation;
2066 }
2067 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2068
2069 /*
2070 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2071 */
2c3dfe3f
SJ		 2072 list_for_each_entry(fcport, &pha->fcports, list) {
2073 if (fcport->vp_idx != ha->vp_idx)
2074 continue;
2075
1da177e4
LT		 2076 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2077 fcport->port_type != FCT_BROADCAST &&
2078 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2079
2080 DEBUG(printk("scsi(%ld): Marking port lost, "
2081 "loop_id=0x%04x\n",
2082 ha->host_no, fcport->loop_id));
2083
2084 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2085 fcport->flags &= ~FCF_FARP_DONE;
2086 }
2087 }
2088
2089 /* Add devices to port list. */
2090 id_iter = (char *)ha->gid_list;
2091 for (index = 0; index < entries; index++) {
2092 domain = ((struct gid_list_info *)id_iter)->domain;
2093 area = ((struct gid_list_info *)id_iter)->area;
2094 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2095 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2096 loop_id = (uint16_t)
2097 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2098 else
1da177e4
LT		 2099 loop_id = le16_to_cpu(
2100 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2101 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2102
2103 /* Bypass reserved domain fields. */
2104 if ((domain & 0xf0) == 0xf0)
2105 continue;
2106
2107 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 2108 if (area && domain &&
2109 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 2110 continue;
2111
2112 /* Bypass invalid local loop ID. */
2113 if (loop_id > LAST_LOCAL_LOOP_ID)
2114 continue;
2115
2116 /* Fill in member data. */
2117 new_fcport->d_id.b.domain = domain;
2118 new_fcport->d_id.b.area = area;
2119 new_fcport->d_id.b.al_pa = al_pa;
2120 new_fcport->loop_id = loop_id;
2c3dfe3f 2121 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2122 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2123 if (rval2 != QLA_SUCCESS) {
2124 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2125 "information -- get_port_database=%x, "
2126 "loop_id=0x%04x\n",
2127 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 2128 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2129 ha->host_no));
2130 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2131 continue;
2132 }
2133
2134 /* Check for matching device in port list. */
2135 found = 0;
2136 fcport = NULL;
2c3dfe3f
SJ		 2137 list_for_each_entry(fcport, &pha->fcports, list) {
2138 if (fcport->vp_idx != ha->vp_idx)
2139 continue;
2140
1da177e4
LT		 2141 if (memcmp(new_fcport->port_name, fcport->port_name,
2142 WWN_SIZE))
2143 continue;
2144
2145 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2146 FCF_PERSISTENT_BOUND);
2147 fcport->loop_id = new_fcport->loop_id;
2148 fcport->port_type = new_fcport->port_type;
2149 fcport->d_id.b24 = new_fcport->d_id.b24;
2150 memcpy(fcport->node_name, new_fcport->node_name,
2151 WWN_SIZE);
2152
2153 found++;
2154 break;
2155 }
2156
2157 if (!found) {
2158 /* New device, add to fcports list. */
2159 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2c3dfe3f
SJ		 2160 if (ha->parent) {
2161 new_fcport->ha = ha;
2162 new_fcport->vp_idx = ha->vp_idx;
2163 list_add_tail(&new_fcport->vp_fcport,
2164 &ha->vp_fcports);
2165 }
2166 list_add_tail(&new_fcport->list, &pha->fcports);
1da177e4
LT		 2167
2168 /* Allocate a new replacement fcport. */
2169 fcport = new_fcport;
2170 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2171 if (new_fcport == NULL) {
2172 rval = QLA_MEMORY_ALLOC_FAILED;
2173 goto cleanup_allocation;
2174 }
2175 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2176 }
2177
d8b45213 2178 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2179 fcport->fp_speed = ha->link_data_rate;
d8b45213 2180
1da177e4
LT		 2181 qla2x00_update_fcport(ha, fcport);
2182
2183 found_devs++;
2184 }
2185
2186cleanup_allocation:
c9475cb0 2187 kfree(new_fcport);
1da177e4
LT		 2188
2189 if (rval != QLA_SUCCESS) {
2190 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2191 "rval=%x\n", ha->host_no, rval));
2192 }
2193
2194 if (found_devs) {
2195 ha->device_flags |= DFLG_LOCAL_DEVICES;
2196 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2197 }
2198
2199 return (rval);
2200}
2201
d8b45213
AV		 2202static void
2203qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2204{
2205#define LS_UNKNOWN 2
a3cbdfad 2206 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2207 int rval;
a3cbdfad 2208 uint16_t mb[6];
d8b45213 2209
c76f2c01 2210 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2211 return;
2212
39bd9622
AV		 2213 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2214 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2215 return;
2216
a3cbdfad
AV		 2217 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2218 mb);
d8b45213
AV		 2219 if (rval != QLA_SUCCESS) {
2220 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2221 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2222 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2223 fcport->port_name[2], fcport->port_name[3],
2224 fcport->port_name[4], fcport->port_name[5],
2225 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2226 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2227 } else {
2228 DEBUG2(qla_printk(KERN_INFO, ha,
2229 "iIDMA adjusted to %s GB/s on "
2230 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2231 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2232 fcport->port_name[1], fcport->port_name[2],
2233 fcport->port_name[3], fcport->port_name[4],
2234 fcport->port_name[5], fcport->port_name[6],
2235 fcport->port_name[7]));
2236 }
2237}
2238
23be331d 2239static void
8482e118
AV		 2240qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2241{
2242 struct fc_rport_identifiers rport_ids;
bdf79621 2243 struct fc_rport *rport;
8482e118 2244
d97994dc
AV		 2245 if (fcport->drport)
2246 qla2x00_rport_del(fcport);
8482e118 2247
f8b02a85
AV		 2248 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2249 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2250 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2251 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2252 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5f3a9a20 2253 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2254 if (!rport) {
2255 qla_printk(KERN_WARNING, ha,
2256 "Unable to allocate fc remote port!\n");
2257 return;
2258 }
5f3a9a20 2259 spin_lock_irq(fcport->ha->host->host_lock);
19a7b4ae 2260 *((fc_port_t **)rport->dd_data) = fcport;
5f3a9a20 2261 spin_unlock_irq(fcport->ha->host->host_lock);
d97994dc 2262
ad3e0eda 2263 rport->supported_classes = fcport->supported_classes;
77d74143 2264
8482e118
AV		 2265 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2266 if (fcport->port_type == FCT_INITIATOR)
2267 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2268 if (fcport->port_type == FCT_TARGET)
2269 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2270 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2271}
2272
23be331d
AB		 2273/*
2274 * qla2x00_update_fcport
2275 * Updates device on list.
2276 *
2277 * Input:
2278 * ha = adapter block pointer.
2279 * fcport = port structure pointer.
2280 *
2281 * Return:
2282 * 0 - Success
2283 * BIT_0 - error
2284 *
2285 * Context:
2286 * Kernel context.
2287 */
2288void
2289qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2290{
2c3dfe3f
SJ		 2291 scsi_qla_host_t *pha = to_qla_parent(ha);
2292
23be331d
AB		 2293 fcport->ha = ha;
2294 fcport->login_retry = 0;
2c3dfe3f 2295 fcport->port_login_retry_count = pha->port_down_retry_count *
23be331d 2296 PORT_RETRY_TIME;
2c3dfe3f 2297 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
23be331d
AB		 2298 PORT_RETRY_TIME);
2299 fcport->flags &= ~FCF_LOGIN_NEEDED;
2300
2301 qla2x00_iidma_fcport(ha, fcport);
2302
2303 atomic_set(&fcport->state, FCS_ONLINE);
2304
2305 qla2x00_reg_remote_port(ha, fcport);
2306}
2307
1da177e4
LT		 2308/*
2309 * qla2x00_configure_fabric
2310 * Setup SNS devices with loop ID's.
2311 *
2312 * Input:
2313 * ha = adapter block pointer.
2314 *
2315 * Returns:
2316 * 0 = success.
2317 * BIT_0 = error
2318 */
2319static int
2320qla2x00_configure_fabric(scsi_qla_host_t *ha)
2321{
2322 int rval, rval2;
2323 fc_port_t *fcport, *fcptemp;
2324 uint16_t next_loopid;
2325 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2326 uint16_t loop_id;
1da177e4 2327 LIST_HEAD(new_fcports);
2c3dfe3f 2328 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2329
2330 /* If FL port exists, then SNS is present */
e428924c 2331 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2332 loop_id = NPH_F_PORT;
2333 else
2334 loop_id = SNS_FL_PORT;
90991c85 2335 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
1da177e4
LT		 2336 if (rval != QLA_SUCCESS) {
2337 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2338 "Port\n", ha->host_no));
2339
2340 ha->device_flags &= ~SWITCH_FOUND;
2341 return (QLA_SUCCESS);
2342 }
90991c85 2343 ha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2344
2345 /* Mark devices that need re-synchronization. */
2346 rval2 = qla2x00_device_resync(ha);
2347 if (rval2 == QLA_RSCNS_HANDLED) {
2348 /* No point doing the scan, just continue. */
2349 return (QLA_SUCCESS);
2350 }
2351 do {
cca5335c
AV		 2352 /* FDMI support. */
2353 if (ql2xfdmienable &&
2354 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2355 qla2x00_fdmi_register(ha);
2356
1da177e4 2357 /* Ensure we are logged into the SNS. */
e428924c 2358 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2359 loop_id = NPH_SNS;
2360 else
2361 loop_id = SIMPLE_NAME_SERVER;
fd34f556 2362 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2363 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2364 if (mb[0] != MBS_COMMAND_COMPLETE) {
2365 DEBUG2(qla_printk(KERN_INFO, ha,
2366 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2367 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2368 mb[0], mb[1], mb[2], mb[6], mb[7]));
2369 return (QLA_SUCCESS);
2370 }
2371
2372 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2373 if (qla2x00_rft_id(ha)) {
2374 /* EMPTY */
2375 DEBUG2(printk("scsi(%ld): Register FC-4 "
2376 "TYPE failed.\n", ha->host_no));
2377 }
2378 if (qla2x00_rff_id(ha)) {
2379 /* EMPTY */
2380 DEBUG2(printk("scsi(%ld): Register FC-4 "
2381 "Features failed.\n", ha->host_no));
2382 }
2383 if (qla2x00_rnn_id(ha)) {
2384 /* EMPTY */
2385 DEBUG2(printk("scsi(%ld): Register Node Name "
2386 "failed.\n", ha->host_no));
2387 } else if (qla2x00_rsnn_nn(ha)) {
2388 /* EMPTY */
2389 DEBUG2(printk("scsi(%ld): Register Symbolic "
2390 "Node Name failed.\n", ha->host_no));
2391 }
2392 }
2393
2394 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2395 if (rval != QLA_SUCCESS)
2396 break;
2397
2398 /*
2399 * Logout all previous fabric devices marked lost, except
2400 * tape devices.
2401 */
2c3dfe3f
SJ		 2402 list_for_each_entry(fcport, &pha->fcports, list) {
2403 if (fcport->vp_idx !=ha->vp_idx)
2404 continue;
2405
1da177e4
LT		 2406 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2407 break;
2408
2409 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2410 continue;
2411
2412 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2413 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2414 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2415 if (fcport->loop_id != FC_NO_LOOP_ID &&
2416 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2417 fcport->port_type != FCT_INITIATOR &&
2418 fcport->port_type != FCT_BROADCAST) {
fd34f556 2419 ha->isp_ops->fabric_logout(ha,
1c7c6357
AV		 2420 fcport->loop_id,
2421 fcport->d_id.b.domain,
2422 fcport->d_id.b.area,
2423 fcport->d_id.b.al_pa);
1da177e4
LT		 2424 fcport->loop_id = FC_NO_LOOP_ID;
2425 }
2426 }
2427 }
2428
2429 /* Starting free loop ID. */
2c3dfe3f 2430 next_loopid = pha->min_external_loopid;
1da177e4
LT		 2431
2432 /*
2433 * Scan through our port list and login entries that need to be
2434 * logged in.
2435 */
2c3dfe3f
SJ		 2436 list_for_each_entry(fcport, &pha->fcports, list) {
2437 if (fcport->vp_idx != ha->vp_idx)
2438 continue;
2439
1da177e4
LT		 2440 if (atomic_read(&ha->loop_down_timer) ||
2441 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2442 break;
2443
2444 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2445 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2446 continue;
2447
2448 if (fcport->loop_id == FC_NO_LOOP_ID) {
2449 fcport->loop_id = next_loopid;
d4486fd6
SJ		 2450 rval = qla2x00_find_new_loop_id(
2451 to_qla_parent(ha), fcport);
1da177e4
LT		 2452 if (rval != QLA_SUCCESS) {
2453 /* Ran out of IDs to use */
2454 break;
2455 }
2456 }
1da177e4
LT		 2457 /* Login and update database */
2458 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2459 }
2460
2461 /* Exit if out of loop IDs. */
2462 if (rval != QLA_SUCCESS) {
2463 break;
2464 }
2465
2466 /*
2467 * Login and add the new devices to our port list.
2468 */
2469 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2470 if (atomic_read(&ha->loop_down_timer) ||
2471 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2472 break;
2473
2474 /* Find a new loop ID to use. */
2475 fcport->loop_id = next_loopid;
d4486fd6
SJ		 2476 rval = qla2x00_find_new_loop_id(to_qla_parent(ha),
2477 fcport);
1da177e4
LT		 2478 if (rval != QLA_SUCCESS) {
2479 /* Ran out of IDs to use */
2480 break;
2481 }
2482
bdf79621
AV		 2483 /* Login and update database */
2484 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2c3dfe3f
SJ		 2485
2486 if (ha->parent) {
2487 fcport->ha = ha;
2488 fcport->vp_idx = ha->vp_idx;
2489 list_add_tail(&fcport->vp_fcport,
2490 &ha->vp_fcports);
2491 list_move_tail(&fcport->list,
2492 &ha->parent->fcports);
2493 } else
2494 list_move_tail(&fcport->list, &ha->fcports);
1da177e4
LT		 2495 }
2496 } while (0);
2497
2498 /* Free all new device structures not processed. */
2499 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2500 list_del(&fcport->list);
2501 kfree(fcport);
2502 }
2503
2504 if (rval) {
2505 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2506 "rval=%d\n", ha->host_no, rval));
2507 }
2508
2509 return (rval);
2510}
2511
2512
2513/*
2514 * qla2x00_find_all_fabric_devs
2515 *
2516 * Input:
2517 * ha = adapter block pointer.
2518 * dev = database device entry pointer.
2519 *
2520 * Returns:
2521 * 0 = success.
2522 *
2523 * Context:
2524 * Kernel context.
2525 */
2526static int
2527qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2528{
2529 int rval;
2530 uint16_t loop_id;
2531 fc_port_t *fcport, *new_fcport, *fcptemp;
2532 int found;
2533
2534 sw_info_t *swl;
2535 int swl_idx;
2536 int first_dev, last_dev;
2537 port_id_t wrap, nxt_d_id;
2c3dfe3f
SJ		 2538 int vp_index;
2539 int empty_vp_index;
2540 int found_vp;
2541 scsi_qla_host_t *vha;
2542 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2543
2544 rval = QLA_SUCCESS;
2545
2546 /* Try GID_PT to get device list, else GAN. */
bbfbbbc1
MK		 2547 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2548 if (!swl) {
1da177e4
LT		 2549 /*EMPTY*/
2550 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2551 "on GA_NXT\n", ha->host_no));
2552 } else {
1da177e4
LT		 2553 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2554 kfree(swl);
2555 swl = NULL;
2556 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2557 kfree(swl);
2558 swl = NULL;
2559 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2560 kfree(swl);
2561 swl = NULL;
e5896bd5
AV		 2562 } else if (ql2xiidmaenable &&
2563 qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
d8b45213 2564 qla2x00_gpsc(ha, swl);
1da177e4
LT		 2565 }
2566 }
2567 swl_idx = 0;
2568
2569 /* Allocate temporary fcport for any new fcports discovered. */
2570 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2571 if (new_fcport == NULL) {
c9475cb0 2572 kfree(swl);
1da177e4
LT		 2573 return (QLA_MEMORY_ALLOC_FAILED);
2574 }
2575 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2c3dfe3f 2576 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2577 /* Set start port ID scan at adapter ID. */
2578 first_dev = 1;
2579 last_dev = 0;
2580
2581 /* Starting free loop ID. */
2c3dfe3f 2582 loop_id = pha->min_external_loopid;
1da177e4 2583 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2584 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2585 continue;
2586
23443b1d 2587 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2588 break;
2589
2590 if (swl != NULL) {
2591 if (last_dev) {
2592 wrap.b24 = new_fcport->d_id.b24;
2593 } else {
2594 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2595 memcpy(new_fcport->node_name,
2596 swl[swl_idx].node_name, WWN_SIZE);
2597 memcpy(new_fcport->port_name,
2598 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2599 memcpy(new_fcport->fabric_port_name,
2600 swl[swl_idx].fabric_port_name, WWN_SIZE);
2601 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2602
2603 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2604 last_dev = 1;
2605 }
2606 swl_idx++;
2607 }
2608 } else {
2609 /* Send GA_NXT to the switch */
2610 rval = qla2x00_ga_nxt(ha, new_fcport);
2611 if (rval != QLA_SUCCESS) {
2612 qla_printk(KERN_WARNING, ha,
2613 "SNS scan failed -- assuming zero-entry "
2614 "result...\n");
2615 list_for_each_entry_safe(fcport, fcptemp,
2616 new_fcports, list) {
2617 list_del(&fcport->list);
2618 kfree(fcport);
2619 }
2620 rval = QLA_SUCCESS;
2621 break;
2622 }
2623 }
2624
2625 /* If wrap on switch device list, exit. */
2626 if (first_dev) {
2627 wrap.b24 = new_fcport->d_id.b24;
2628 first_dev = 0;
2629 } else if (new_fcport->d_id.b24 == wrap.b24) {
2630 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2631 ha->host_no, new_fcport->d_id.b.domain,
2632 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2633 break;
2634 }
2635
2c3dfe3f
SJ		 2636 /* Bypass if same physical adapter. */
2637 if (new_fcport->d_id.b24 == pha->d_id.b24)
1da177e4
LT		 2638 continue;
2639
2c3dfe3f
SJ		 2640 /* Bypass virtual ports of the same host. */
2641 if (pha->num_vhosts) {
eb66dc60 2642 for_each_mapped_vp_idx(pha, vp_index) {
2c3dfe3f
SJ		 2643 empty_vp_index = 1;
2644 found_vp = 0;
2645 list_for_each_entry(vha, &pha->vp_list,
2646 vp_list) {
2647 if (vp_index == vha->vp_idx) {
2648 empty_vp_index = 0;
2649 found_vp = 1;
2650 break;
2651 }
2652 }
2653
2654 if (empty_vp_index)
2655 continue;
2656
2657 if (found_vp &&
2658 new_fcport->d_id.b24 == vha->d_id.b24)
2659 break;
2660 }
eb66dc60
AV		 2661
2662 if (vp_index <= pha->max_npiv_vports)
2c3dfe3f
SJ		 2663 continue;
2664 }
2665
f7d289f6
AV		 2666 /* Bypass if same domain and area of adapter. */
2667 if (((new_fcport->d_id.b24 & 0xffff00) ==
2668 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2669 ISP_CFG_FL)
2670 continue;
2671
1da177e4
LT		 2672 /* Bypass reserved domain fields. */
2673 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2674 continue;
2675
2676 /* Locate matching device in database. */
2677 found = 0;
2c3dfe3f
SJ		 2678 list_for_each_entry(fcport, &pha->fcports, list) {
2679 if (new_fcport->vp_idx != fcport->vp_idx)
2680 continue;
1da177e4
LT		 2681 if (memcmp(new_fcport->port_name, fcport->port_name,
2682 WWN_SIZE))
2683 continue;
2684
2685 found++;
2686
d8b45213
AV		 2687 /* Update port state. */
2688 memcpy(fcport->fabric_port_name,
2689 new_fcport->fabric_port_name, WWN_SIZE);
2690 fcport->fp_speed = new_fcport->fp_speed;
2691
1da177e4
LT		 2692 /*
2693 * If address the same and state FCS_ONLINE, nothing
2694 * changed.
2695 */
2696 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2697 atomic_read(&fcport->state) == FCS_ONLINE) {
2698 break;
2699 }
2700
2701 /*
2702 * If device was not a fabric device before.
2703 */
2704 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2705 fcport->d_id.b24 = new_fcport->d_id.b24;
2706 fcport->loop_id = FC_NO_LOOP_ID;
2707 fcport->flags |= (FCF_FABRIC_DEVICE |
2708 FCF_LOGIN_NEEDED);
2709 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2710 break;
2711 }
2712
2713 /*
2714 * Port ID changed or device was marked to be updated;
2715 * Log it out if still logged in and mark it for
2716 * relogin later.
2717 */
2718 fcport->d_id.b24 = new_fcport->d_id.b24;
2719 fcport->flags |= FCF_LOGIN_NEEDED;
2720 if (fcport->loop_id != FC_NO_LOOP_ID &&
2721 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2722 fcport->port_type != FCT_INITIATOR &&
2723 fcport->port_type != FCT_BROADCAST) {
fd34f556 2724 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2725 fcport->d_id.b.domain, fcport->d_id.b.area,
2726 fcport->d_id.b.al_pa);
1da177e4
LT		 2727 fcport->loop_id = FC_NO_LOOP_ID;
2728 }
2729
2730 break;
2731 }
2732
2733 if (found)
2734 continue;
2735
2736 /* If device was not in our fcports list, then add it. */
2737 list_add_tail(&new_fcport->list, new_fcports);
2738
2739 /* Allocate a new replacement fcport. */
2740 nxt_d_id.b24 = new_fcport->d_id.b24;
2741 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2742 if (new_fcport == NULL) {
c9475cb0 2743 kfree(swl);
1da177e4
LT		 2744 return (QLA_MEMORY_ALLOC_FAILED);
2745 }
2746 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2747 new_fcport->d_id.b24 = nxt_d_id.b24;
2c3dfe3f 2748 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2749 }
2750
c9475cb0
JJ		 2751 kfree(swl);
2752 kfree(new_fcport);
1da177e4
LT		 2753
2754 if (!list_empty(new_fcports))
2755 ha->device_flags |= DFLG_FABRIC_DEVICES;
2756
2757 return (rval);
2758}
2759
2760/*
2761 * qla2x00_find_new_loop_id
2762 * Scan through our port list and find a new usable loop ID.
2763 *
2764 * Input:
2765 * ha: adapter state pointer.
2766 * dev: port structure pointer.
2767 *
2768 * Returns:
2769 * qla2x00 local function return status code.
2770 *
2771 * Context:
2772 * Kernel context.
2773 */
413975a0 2774static int
1da177e4
LT		 2775qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2776{
2777 int rval;
2778 int found;
2779 fc_port_t *fcport;
2780 uint16_t first_loop_id;
2c3dfe3f 2781 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2782
2783 rval = QLA_SUCCESS;
2784
2785 /* Save starting loop ID. */
2786 first_loop_id = dev->loop_id;
2787
2788 for (;;) {
2789 /* Skip loop ID if already used by adapter. */
2790 if (dev->loop_id == ha->loop_id) {
2791 dev->loop_id++;
2792 }
2793
2794 /* Skip reserved loop IDs. */
3d71644c 2795 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2796 dev->loop_id++;
2797 }
2798
2799 /* Reset loop ID if passed the end. */
2800 if (dev->loop_id > ha->last_loop_id) {
2801 /* first loop ID. */
2802 dev->loop_id = ha->min_external_loopid;
2803 }
2804
2805 /* Check for loop ID being already in use. */
2806 found = 0;
2807 fcport = NULL;
2c3dfe3f 2808 list_for_each_entry(fcport, &pha->fcports, list) {
1da177e4
LT		 2809 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2810 /* ID possibly in use */
2811 found++;
2812 break;
2813 }
2814 }
2815
2816 /* If not in use then it is free to use. */
2817 if (!found) {
2818 break;
2819 }
2820
2821 /* ID in use. Try next value. */
2822 dev->loop_id++;
2823
2824 /* If wrap around. No free ID to use. */
2825 if (dev->loop_id == first_loop_id) {
2826 dev->loop_id = FC_NO_LOOP_ID;
2827 rval = QLA_FUNCTION_FAILED;
2828 break;
2829 }
2830 }
2831
2832 return (rval);
2833}
2834
2835/*
2836 * qla2x00_device_resync
2837 * Marks devices in the database that needs resynchronization.
2838 *
2839 * Input:
2840 * ha = adapter block pointer.
2841 *
2842 * Context:
2843 * Kernel context.
2844 */
2845static int
fa2a1ce5 2846qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2847{
2848 int rval;
1da177e4
LT		 2849 uint32_t mask;
2850 fc_port_t *fcport;
2851 uint32_t rscn_entry;
2852 uint8_t rscn_out_iter;
2853 uint8_t format;
2854 port_id_t d_id;
2c3dfe3f 2855 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2856
2857 rval = QLA_RSCNS_HANDLED;
2858
2859 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2860 ha->flags.rscn_queue_overflow) {
2861
2862 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2863 format = MSB(MSW(rscn_entry));
2864 d_id.b.domain = LSB(MSW(rscn_entry));
2865 d_id.b.area = MSB(LSW(rscn_entry));
2866 d_id.b.al_pa = LSB(LSW(rscn_entry));
2867
2868 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2869 "[%02x/%02x%02x%02x].\n",
2870 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2871 d_id.b.area, d_id.b.al_pa));
2872
2873 ha->rscn_out_ptr++;
2874 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2875 ha->rscn_out_ptr = 0;
2876
2877 /* Skip duplicate entries. */
2878 for (rscn_out_iter = ha->rscn_out_ptr;
2879 !ha->flags.rscn_queue_overflow &&
2880 rscn_out_iter != ha->rscn_in_ptr;
2881 rscn_out_iter = (rscn_out_iter ==
2882 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2883
2884 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2885 break;
2886
2887 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2888 "entry found at [%d].\n", ha->host_no,
2889 rscn_out_iter));
2890
2891 ha->rscn_out_ptr = rscn_out_iter;
2892 }
2893
2894 /* Queue overflow, set switch default case. */
2895 if (ha->flags.rscn_queue_overflow) {
2896 DEBUG(printk("scsi(%ld): device_resync: rscn "
2897 "overflow.\n", ha->host_no));
2898
2899 format = 3;
2900 ha->flags.rscn_queue_overflow = 0;
2901 }
2902
2903 switch (format) {
2904 case 0:
1da177e4
LT		 2905 mask = 0xffffff;
2906 break;
2907 case 1:
2908 mask = 0xffff00;
2909 break;
2910 case 2:
2911 mask = 0xff0000;
2912 break;
2913 default:
2914 mask = 0x0;
2915 d_id.b24 = 0;
2916 ha->rscn_out_ptr = ha->rscn_in_ptr;
2917 break;
2918 }
2919
2920 rval = QLA_SUCCESS;
2921
2c3dfe3f
SJ		 2922 list_for_each_entry(fcport, &pha->fcports, list) {
2923 if (fcport->vp_idx != ha->vp_idx)
2924 continue;
2925
1da177e4
LT		 2926 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2927 (fcport->d_id.b24 & mask) != d_id.b24 ||
2928 fcport->port_type == FCT_BROADCAST)
2929 continue;
2930
2931 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2932 if (format != 3 ||
2933 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2934 qla2x00_mark_device_lost(ha, fcport,
2935 0, 0);
1da177e4
LT		 2936 }
2937 }
2938 fcport->flags &= ~FCF_FARP_DONE;
2939 }
2940 }
2941 return (rval);
2942}
2943
2944/*
2945 * qla2x00_fabric_dev_login
2946 * Login fabric target device and update FC port database.
2947 *
2948 * Input:
2949 * ha: adapter state pointer.
2950 * fcport: port structure list pointer.
2951 * next_loopid: contains value of a new loop ID that can be used
2952 * by the next login attempt.
2953 *
2954 * Returns:
2955 * qla2x00 local function return status code.
2956 *
2957 * Context:
2958 * Kernel context.
2959 */
2960static int
2961qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2962 uint16_t *next_loopid)
2963{
2964 int rval;
2965 int retry;
0107109e 2966 uint8_t opts;
1da177e4
LT		 2967
2968 rval = QLA_SUCCESS;
2969 retry = 0;
2970
2971 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2972 if (rval == QLA_SUCCESS) {
0107109e
AV		 2973 /* Send an ADISC to tape devices.*/
2974 opts = 0;
2975 if (fcport->flags & FCF_TAPE_PRESENT)
2976 opts |= BIT_1;
2977 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2978 if (rval != QLA_SUCCESS) {
fd34f556 2979 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2980 fcport->d_id.b.domain, fcport->d_id.b.area,
2981 fcport->d_id.b.al_pa);
d97994dc 2982 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2983 } else {
2984 qla2x00_update_fcport(ha, fcport);
2985 }
2986 }
2987
2988 return (rval);
2989}
2990
2991/*
2992 * qla2x00_fabric_login
2993 * Issue fabric login command.
2994 *
2995 * Input:
2996 * ha = adapter block pointer.
2997 * device = pointer to FC device type structure.
2998 *
2999 * Returns:
3000 * 0 - Login successfully
3001 * 1 - Login failed
3002 * 2 - Initiator device
3003 * 3 - Fatal error
3004 */
3005int
3006qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
3007 uint16_t *next_loopid)
3008{
3009 int rval;
3010 int retry;
3011 uint16_t tmp_loopid;
3012 uint16_t mb[MAILBOX_REGISTER_COUNT];
3013
3014 retry = 0;
3015 tmp_loopid = 0;
3016
3017 for (;;) {
3018 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3019 "for port %02x%02x%02x.\n",
3020 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3021 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3022
3023 /* Login fcport on switch. */
fd34f556 3024 ha->isp_ops->fabric_login(ha, fcport->loop_id,
1da177e4
LT		 3025 fcport->d_id.b.domain, fcport->d_id.b.area,
3026 fcport->d_id.b.al_pa, mb, BIT_0);
3027 if (mb[0] == MBS_PORT_ID_USED) {
3028 /*
3029 * Device has another loop ID. The firmware team
0107109e
AV		 3030 * recommends the driver perform an implicit login with
3031 * the specified ID again. The ID we just used is save
3032 * here so we return with an ID that can be tried by
3033 * the next login.
1da177e4
LT		 3034 */
3035 retry++;
3036 tmp_loopid = fcport->loop_id;
3037 fcport->loop_id = mb[1];
3038
3039 DEBUG(printk("Fabric Login: port in use - next "
3040 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3041 fcport->loop_id, fcport->d_id.b.domain,
3042 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3043
3044 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3045 /*
3046 * Login succeeded.
3047 */
3048 if (retry) {
3049 /* A retry occurred before. */
3050 *next_loopid = tmp_loopid;
3051 } else {
3052 /*
3053 * No retry occurred before. Just increment the
3054 * ID value for next login.
3055 */
3056 *next_loopid = (fcport->loop_id + 1);
3057 }
3058
3059 if (mb[1] & BIT_0) {
3060 fcport->port_type = FCT_INITIATOR;
3061 } else {
3062 fcport->port_type = FCT_TARGET;
3063 if (mb[1] & BIT_1) {
3064 fcport->flags |= FCF_TAPE_PRESENT;
3065 }
3066 }
3067
ad3e0eda
AV		 3068 if (mb[10] & BIT_0)
3069 fcport->supported_classes |= FC_COS_CLASS2;
3070 if (mb[10] & BIT_1)
3071 fcport->supported_classes |= FC_COS_CLASS3;
3072
1da177e4
LT		 3073 rval = QLA_SUCCESS;
3074 break;
3075 } else if (mb[0] == MBS_LOOP_ID_USED) {
3076 /*
3077 * Loop ID already used, try next loop ID.
3078 */
3079 fcport->loop_id++;
3080 rval = qla2x00_find_new_loop_id(ha, fcport);
3081 if (rval != QLA_SUCCESS) {
3082 /* Ran out of loop IDs to use */
3083 break;
3084 }
3085 } else if (mb[0] == MBS_COMMAND_ERROR) {
3086 /*
3087 * Firmware possibly timed out during login. If NO
3088 * retries are left to do then the device is declared
3089 * dead.
3090 */
3091 *next_loopid = fcport->loop_id;
fd34f556 3092 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3093 fcport->d_id.b.domain, fcport->d_id.b.area,
3094 fcport->d_id.b.al_pa);
d97994dc 3095 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 3096
3097 rval = 1;
3098 break;
3099 } else {
3100 /*
3101 * unrecoverable / not handled error
3102 */
3103 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 3104 "loop_id=%x jiffies=%lx.\n",
3105 __func__, ha->host_no, mb[0],
1da177e4
LT		 3106 fcport->d_id.b.domain, fcport->d_id.b.area,
3107 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3108
3109 *next_loopid = fcport->loop_id;
fd34f556 3110 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3111 fcport->d_id.b.domain, fcport->d_id.b.area,
3112 fcport->d_id.b.al_pa);
1da177e4 3113 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3114 fcport->login_retry = 0;
1da177e4
LT		 3115
3116 rval = 3;
3117 break;
3118 }
3119 }
3120
3121 return (rval);
3122}
3123
3124/*
3125 * qla2x00_local_device_login
3126 * Issue local device login command.
3127 *
3128 * Input:
3129 * ha = adapter block pointer.
3130 * loop_id = loop id of device to login to.
3131 *
3132 * Returns (Where's the #define!!!!):
3133 * 0 - Login successfully
3134 * 1 - Login failed
3135 * 3 - Fatal error
3136 */
3137int
9a52a57c 3138qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 3139{
3140 int rval;
3141 uint16_t mb[MAILBOX_REGISTER_COUNT];
3142
3143 memset(mb, 0, sizeof(mb));
9a52a57c 3144 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 3145 if (rval == QLA_SUCCESS) {
3146 /* Interrogate mailbox registers for any errors */
3147 if (mb[0] == MBS_COMMAND_ERROR)
3148 rval = 1;
3149 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3150 /* device not in PCB table */
3151 rval = 3;
3152 }
3153
3154 return (rval);
3155}
3156
3157/*
3158 * qla2x00_loop_resync
3159 * Resync with fibre channel devices.
3160 *
3161 * Input:
3162 * ha = adapter block pointer.
3163 *
3164 * Returns:
3165 * 0 = success
3166 */
3167int
fa2a1ce5 3168qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 3169{
3170 int rval;
3171 uint32_t wait_time;
3172
3173 rval = QLA_SUCCESS;
3174
3175 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 3176 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3177 if (ha->flags.online) {
3178 if (!(rval = qla2x00_fw_ready(ha))) {
3179 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3180 wait_time = 256;
3181 do {
1da177e4
LT		 3182 atomic_set(&ha->loop_state, LOOP_UPDATE);
3183
0107109e
AV		 3184 /* Issue a marker after FW becomes ready. */
3185 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3186 ha->marker_needed = 0;
1da177e4
LT		 3187
3188 /* Remap devices on Loop. */
3189 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3190
3191 qla2x00_configure_loop(ha);
3192 wait_time--;
3193 } while (!atomic_read(&ha->loop_down_timer) &&
3194 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3195 wait_time &&
3196 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3197 }
1da177e4
LT		 3198 }
3199
3200 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3201 return (QLA_FUNCTION_FAILED);
3202 }
3203
3204 if (rval) {
3205 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3206 }
3207
3208 return (rval);
3209}
3210
d97994dc
AV		 3211void
3212qla2x00_update_fcports(scsi_qla_host_t *ha)
3213{
3214 fc_port_t *fcport;
3215
3216 /* Go with deferred removal of rport references. */
3217 list_for_each_entry(fcport, &ha->fcports, list)
3218 if (fcport->drport)
3219 qla2x00_rport_del(fcport);
3220}
3221
1da177e4
LT		 3222/*
3223* qla2x00_abort_isp
3224* Resets ISP and aborts all outstanding commands.
3225*
3226* Input:
3227* ha = adapter block pointer.
3228*
3229* Returns:
3230* 0 = success
3231*/
3232int
3233qla2x00_abort_isp(scsi_qla_host_t *ha)
3234{
476e8978 3235 int rval;
1da177e4
LT		 3236 uint8_t status = 0;
3237
3238 if (ha->flags.online) {
3239 ha->flags.online = 0;
3240 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
e5f5f6f7 3241 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3242
3243 qla_printk(KERN_INFO, ha,
3244 "Performing ISP error recovery - ha= %p.\n", ha);
fd34f556 3245 ha->isp_ops->reset_chip(ha);
1da177e4
LT		 3246
3247 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3248 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3249 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3250 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3251 } else {
3252 if (!atomic_read(&ha->loop_down_timer))
3253 atomic_set(&ha->loop_down_timer,
3254 LOOP_DOWN_TIME);
3255 }
3256
1da177e4 3257 /* Requeue all commands in outstanding command list. */
df4bf0bb 3258 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
1da177e4 3259
fd34f556 3260 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 3261
fd34f556 3262 ha->isp_ops->nvram_config(ha);
1da177e4
LT		 3263
3264 if (!qla2x00_restart_isp(ha)) {
3265 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3266
3267 if (!atomic_read(&ha->loop_down_timer)) {
3268 /*
3269 * Issue marker command only when we are going
3270 * to start the I/O .
3271 */
3272 ha->marker_needed = 1;
3273 }
3274
3275 ha->flags.online = 1;
3276
fd34f556 3277 ha->isp_ops->enable_intrs(ha);
1da177e4 3278
fa2a1ce5 3279 ha->isp_abort_cnt = 0;
1da177e4 3280 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
476e8978
AV		 3281
3282 if (ha->eft) {
0afb467b 3283 memset(ha->eft, 0, EFT_SIZE);
00b6bd25 3284 rval = qla2x00_enable_eft_trace(ha,
476e8978
AV		 3285 ha->eft_dma, EFT_NUM_BUFFERS);
3286 if (rval) {
3287 qla_printk(KERN_WARNING, ha,
3288 "Unable to reinitialize EFT "
3289 "(%d).\n", rval);
3290 }
3291 }
df613b96
AV		 3292
3293 if (ha->fce) {
3294 ha->flags.fce_enabled = 1;
3295 memset(ha->fce, 0,
3296 fce_calc_size(ha->fce_bufs));
3297 rval = qla2x00_enable_fce_trace(ha,
3298 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3299 &ha->fce_bufs);
3300 if (rval) {
3301 qla_printk(KERN_WARNING, ha,
3302 "Unable to reinitialize FCE "
3303 "(%d).\n", rval);
3304 ha->flags.fce_enabled = 0;
3305 }
3306 }
1da177e4
LT		 3307 } else { /* failed the ISP abort */
3308 ha->flags.online = 1;
3309 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3310 if (ha->isp_abort_cnt == 0) {
3311 qla_printk(KERN_WARNING, ha,
3312 "ISP error recovery failed - "
3313 "board disabled\n");
fa2a1ce5 3314 /*
1da177e4
LT		 3315 * The next call disables the board
3316 * completely.
3317 */
fd34f556 3318 ha->isp_ops->reset_adapter(ha);
1da177e4
LT		 3319 ha->flags.online = 0;
3320 clear_bit(ISP_ABORT_RETRY,
3321 &ha->dpc_flags);
3322 status = 0;
3323 } else { /* schedule another ISP abort */
3324 ha->isp_abort_cnt--;
3325 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3326 "retry remaining %d\n",
744f11fd 3327 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3328 status = 1;
3329 }
3330 } else {
3331 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3332 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3333 "- retrying (%d) more times\n",
744f11fd 3334 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3335 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3336 status = 1;
3337 }
3338 }
fa2a1ce5 3339
1da177e4
LT		 3340 }
3341
3342 if (status) {
3343 qla_printk(KERN_INFO, ha,
3344 "qla2x00_abort_isp: **** FAILED ****\n");
3345 } else {
3346 DEBUG(printk(KERN_INFO
3347 "qla2x00_abort_isp(%ld): exiting.\n",
744f11fd 3348 ha->host_no));
1da177e4
LT		 3349 }
3350
3351 return(status);
3352}
3353
3354/*
3355* qla2x00_restart_isp
3356* restarts the ISP after a reset
3357*
3358* Input:
3359* ha = adapter block pointer.
3360*
3361* Returns:
3362* 0 = success
3363*/
3364static int
3365qla2x00_restart_isp(scsi_qla_host_t *ha)
3366{
3367 uint8_t status = 0;
1da177e4
LT		 3368 uint32_t wait_time;
3369
3370 /* If firmware needs to be loaded */
3371 if (qla2x00_isp_firmware(ha)) {
3372 ha->flags.online = 0;
3db0652e 3373 if (!(status = ha->isp_ops->chip_diag(ha)))
1da177e4 3374 status = qla2x00_setup_chip(ha);
1da177e4
LT		 3375 }
3376
1da177e4
LT		 3377 if (!status && !(status = qla2x00_init_rings(ha))) {
3378 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3379 if (!(status = qla2x00_fw_ready(ha))) {
3380 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3381 "status = %d\n", __func__, status));
0107109e
AV		 3382
3383 /* Issue a marker after FW becomes ready. */
3384 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3385
1da177e4
LT		 3386 ha->flags.online = 1;
3387 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3388 wait_time = 256;
3389 do {
3390 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3391 qla2x00_configure_loop(ha);
3392 wait_time--;
3393 } while (!atomic_read(&ha->loop_down_timer) &&
3394 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3395 wait_time &&
3396 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3397 }
3398
3399 /* if no cable then assume it's good */
fa2a1ce5 3400 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3401 status = 0;
3402
3403 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3404 __func__,
744f11fd 3405 status));
1da177e4
LT		 3406 }
3407 return (status);
3408}
3409
3410/*
3411* qla2x00_reset_adapter
3412* Reset adapter.
3413*
3414* Input:
3415* ha = adapter block pointer.
3416*/
abbd8870 3417void
1da177e4
LT		 3418qla2x00_reset_adapter(scsi_qla_host_t *ha)
3419{
3420 unsigned long flags = 0;
3d71644c 3421 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3422
3423 ha->flags.online = 0;
fd34f556 3424 ha->isp_ops->disable_intrs(ha);
1da177e4 3425
1da177e4
LT		 3426 spin_lock_irqsave(&ha->hardware_lock, flags);
3427 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3428 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3429 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3430 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3431 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3432}
0107109e
AV		 3433
3434void
3435qla24xx_reset_adapter(scsi_qla_host_t *ha)
3436{
3437 unsigned long flags = 0;
3438 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3439
3440 ha->flags.online = 0;
fd34f556 3441 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3442
3443 spin_lock_irqsave(&ha->hardware_lock, flags);
3444 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3445 RD_REG_DWORD(&reg->hccr);
3446 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3447 RD_REG_DWORD(&reg->hccr);
3448 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3449}
3450
4e08df3f
DM		 3451/* On sparc systems, obtain port and node WWN from firmware
3452 * properties.
3453 */
3454static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3455{
3456#ifdef CONFIG_SPARC
3457 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3458 struct device_node *dp = pci_device_to_OF_node(pdev);
3459 const u8 *val;
4e08df3f
DM		 3460 int len;
3461
3462 val = of_get_property(dp, "port-wwn", &len);
3463 if (val && len >= WWN_SIZE)
3464 memcpy(nv->port_name, val, WWN_SIZE);
3465
3466 val = of_get_property(dp, "node-wwn", &len);
3467 if (val && len >= WWN_SIZE)
3468 memcpy(nv->node_name, val, WWN_SIZE);
3469#endif
3470}
3471
0107109e
AV		 3472int
3473qla24xx_nvram_config(scsi_qla_host_t *ha)
3474{
4e08df3f 3475 int rval;
0107109e
AV		 3476 struct init_cb_24xx *icb;
3477 struct nvram_24xx *nv;
3478 uint32_t *dptr;
3479 uint8_t *dptr1, *dptr2;
3480 uint32_t chksum;
3481 uint16_t cnt;
3482
4e08df3f 3483 rval = QLA_SUCCESS;
0107109e 3484 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3485 nv = ha->nvram;
0107109e
AV		 3486
3487 /* Determine NVRAM starting address. */
3488 ha->nvram_size = sizeof(struct nvram_24xx);
3489 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3490 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3491 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3492 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3493 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3494 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3495 }
0107109e 3496
281afe19
SJ		 3497 /* Get VPD data into cache */
3498 ha->vpd = ha->nvram + VPD_OFFSET;
3499 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3500 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3501
3502 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3503 dptr = (uint32_t *)nv;
fd34f556 3504 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3505 ha->nvram_size);
3506 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3507 chksum += le32_to_cpu(*dptr++);
3508
3509 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 3510 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3511
3512 /* Bad NVRAM data, set defaults parameters. */
3513 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3514 || nv->id[3] != ' ' ||
3515 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3516 /* Reset NVRAM data. */
3517 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3518 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3519 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3520 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3521 "invalid -- WWPN) defaults.\n");
3522
3523 /*
3524 * Set default initialization control block.
3525 */
3526 memset(nv, 0, ha->nvram_size);
3527 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3528 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3529 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3530 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3531 nv->exchange_count = __constant_cpu_to_le16(0);
3532 nv->hard_address = __constant_cpu_to_le16(124);
3533 nv->port_name[0] = 0x21;
3534 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3535 nv->port_name[2] = 0x00;
3536 nv->port_name[3] = 0xe0;
3537 nv->port_name[4] = 0x8b;
3538 nv->port_name[5] = 0x1c;
3539 nv->port_name[6] = 0x55;
3540 nv->port_name[7] = 0x86;
3541 nv->node_name[0] = 0x20;
3542 nv->node_name[1] = 0x00;
3543 nv->node_name[2] = 0x00;
3544 nv->node_name[3] = 0xe0;
3545 nv->node_name[4] = 0x8b;
3546 nv->node_name[5] = 0x1c;
3547 nv->node_name[6] = 0x55;
3548 nv->node_name[7] = 0x86;
3549 qla24xx_nvram_wwn_from_ofw(ha, nv);
3550 nv->login_retry_count = __constant_cpu_to_le16(8);
3551 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3552 nv->login_timeout = __constant_cpu_to_le16(0);
3553 nv->firmware_options_1 =
3554 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3555 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3556 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3557 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3558 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3559 nv->efi_parameters = __constant_cpu_to_le32(0);
3560 nv->reset_delay = 5;
3561 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3562 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3563 nv->link_down_timeout = __constant_cpu_to_le16(30);
3564
3565 rval = 1;
0107109e
AV		 3566 }
3567
3568 /* Reset Initialization control block */
3569 memset(icb, 0, sizeof(struct init_cb_24xx));
3570
3571 /* Copy 1st segment. */
3572 dptr1 = (uint8_t *)icb;
3573 dptr2 = (uint8_t *)&nv->version;
3574 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3575 while (cnt--)
3576 *dptr1++ = *dptr2++;
3577
3578 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3579 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3580
3581 /* Copy 2nd segment. */
3582 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3583 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3584 cnt = (uint8_t *)&icb->reserved_3 -
3585 (uint8_t *)&icb->interrupt_delay_timer;
3586 while (cnt--)
3587 *dptr1++ = *dptr2++;
3588
3589 /*
3590 * Setup driver NVRAM options.
3591 */
9bb9fcf2
AV		 3592 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3593 "QLA2462");
0107109e 3594
5341e868
AV		 3595 /* Use alternate WWN? */
3596 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3597 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3598 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3599 }
3600
0107109e 3601 /* Prepare nodename */
fd0e7e4d 3602 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3603 /*
3604 * Firmware will apply the following mask if the nodename was
3605 * not provided.
3606 */
3607 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3608 icb->node_name[0] &= 0xF0;
3609 }
3610
3611 /* Set host adapter parameters. */
3612 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3613 ha->flags.enable_lip_reset = 0;
3614 ha->flags.enable_lip_full_login =
3615 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3616 ha->flags.enable_target_reset =
3617 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3618 ha->flags.enable_led_scheme = 0;
d4c760c2 3619 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3620
fd0e7e4d
AV		 3621 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3622 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3623
3624 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3625 sizeof(ha->fw_seriallink_options24));
3626
3627 /* save HBA serial number */
3628 ha->serial0 = icb->port_name[5];
3629 ha->serial1 = icb->port_name[6];
3630 ha->serial2 = icb->port_name[7];
3631 ha->node_name = icb->node_name;
3632 ha->port_name = icb->port_name;
3633
bc8fb3cb
AV		 3634 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3635
0107109e
AV		 3636 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3637
3638 /* Set minimum login_timeout to 4 seconds. */
3639 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3640 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3641 if (le16_to_cpu(nv->login_timeout) < 4)
3642 nv->login_timeout = __constant_cpu_to_le16(4);
3643 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3644 icb->login_timeout = nv->login_timeout;
0107109e 3645
00a537b8
AV		 3646 /* Set minimum RATOV to 100 tenths of a second. */
3647 ha->r_a_tov = 100;
0107109e
AV		 3648
3649 ha->loop_reset_delay = nv->reset_delay;
3650
3651 /* Link Down Timeout = 0:
3652 *
3653 * When Port Down timer expires we will start returning
3654 * I/O's to OS with "DID_NO_CONNECT".
3655 *
3656 * Link Down Timeout != 0:
3657 *
3658 * The driver waits for the link to come up after link down
3659 * before returning I/Os to OS with "DID_NO_CONNECT".
3660 */
3661 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3662 ha->loop_down_abort_time =
3663 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3664 } else {
3665 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3666 ha->loop_down_abort_time =
3667 (LOOP_DOWN_TIME - ha->link_down_timeout);
3668 }
3669
3670 /* Need enough time to try and get the port back. */
3671 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3672 if (qlport_down_retry)
3673 ha->port_down_retry_count = qlport_down_retry;
3674
3675 /* Set login_retry_count */
3676 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3677 if (ha->port_down_retry_count ==
3678 le16_to_cpu(nv->port_down_retry_count) &&
3679 ha->port_down_retry_count > 3)
3680 ha->login_retry_count = ha->port_down_retry_count;
3681 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3682 ha->login_retry_count = ha->port_down_retry_count;
3683 if (ql2xloginretrycount)
3684 ha->login_retry_count = ql2xloginretrycount;
3685
4fdfefe5
AV		 3686 /* Enable ZIO. */
3687 if (!ha->flags.init_done) {
3688 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3689 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3690 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3691 le16_to_cpu(icb->interrupt_delay_timer): 2;
3692 }
3693 icb->firmware_options_2 &= __constant_cpu_to_le32(
3694 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3695 ha->flags.process_response_queue = 0;
3696 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3697 ha->zio_mode = QLA_ZIO_MODE_6;
3698
4fdfefe5
AV		 3699 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3700 "(%d us).\n", ha->host_no, ha->zio_mode,
3701 ha->zio_timer * 100));
3702 qla_printk(KERN_INFO, ha,
3703 "ZIO mode %d enabled; timer delay (%d us).\n",
3704 ha->zio_mode, ha->zio_timer * 100);
3705
3706 icb->firmware_options_2 |= cpu_to_le32(
3707 (uint32_t)ha->zio_mode);
3708 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3709 ha->flags.process_response_queue = 1;
3710 }
3711
4e08df3f
DM		 3712 if (rval) {
3713 DEBUG2_3(printk(KERN_WARNING
3714 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3715 }
3716 return (rval);
0107109e
AV		 3717}
3718
413975a0 3719static int
d1c61909
AV		 3720qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3721{
3722 int rval;
3723 int segments, fragment;
3724 uint32_t faddr;
3725 uint32_t *dcode, dlen;
3726 uint32_t risc_addr;
3727 uint32_t risc_size;
3728 uint32_t i;
3729
3730 rval = QLA_SUCCESS;
3731
3732 segments = FA_RISC_CODE_SEGMENTS;
3733 faddr = FA_RISC_CODE_ADDR;
3734 dcode = (uint32_t *)ha->request_ring;
3735 *srisc_addr = 0;
3736
3737 /* Validate firmware image by checking version. */
3738 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3739 for (i = 0; i < 4; i++)
3740 dcode[i] = be32_to_cpu(dcode[i]);
3741 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3742 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3743 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3744 dcode[3] == 0)) {
3745 qla_printk(KERN_WARNING, ha,
3746 "Unable to verify integrity of flash firmware image!\n");
3747 qla_printk(KERN_WARNING, ha,
3748 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3749 dcode[1], dcode[2], dcode[3]);
3750
3751 return QLA_FUNCTION_FAILED;
3752 }
3753
3754 while (segments && rval == QLA_SUCCESS) {
3755 /* Read segment's load information. */
3756 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3757
3758 risc_addr = be32_to_cpu(dcode[2]);
3759 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3760 risc_size = be32_to_cpu(dcode[3]);
3761
3762 fragment = 0;
3763 while (risc_size > 0 && rval == QLA_SUCCESS) {
3764 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3765 if (dlen > risc_size)
3766 dlen = risc_size;
3767
3768 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3769 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3770 ha->host_no, risc_addr, dlen, faddr));
3771
3772 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3773 for (i = 0; i < dlen; i++)
3774 dcode[i] = swab32(dcode[i]);
3775
3776 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3777 dlen);
3778 if (rval) {
3779 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3780 "segment %d of firmware\n", ha->host_no,
3781 fragment));
3782 qla_printk(KERN_WARNING, ha,
3783 "[ERROR] Failed to load segment %d of "
3784 "firmware\n", fragment);
3785 break;
3786 }
3787
3788 faddr += dlen;
3789 risc_addr += dlen;
3790 risc_size -= dlen;
3791 fragment++;
3792 }
3793
3794 /* Next segment. */
3795 segments--;
3796 }
3797
3798 return rval;
3799}
3800
d1c61909
AV		 3801#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3802
0107109e 3803int
5433383e
AV		 3804qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3805{
3806 int rval;
3807 int i, fragment;
3808 uint16_t *wcode, *fwcode;
3809 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3810 struct fw_blob *blob;
3811
3812 /* Load firmware blob. */
3813 blob = qla2x00_request_firmware(ha);
3814 if (!blob) {
3815 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3816 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3817 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3818 return QLA_FUNCTION_FAILED;
3819 }
3820
3821 rval = QLA_SUCCESS;
3822
3823 wcode = (uint16_t *)ha->request_ring;
3824 *srisc_addr = 0;
3825 fwcode = (uint16_t *)blob->fw->data;
3826 fwclen = 0;
3827
3828 /* Validate firmware image by checking version. */
3829 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3830 qla_printk(KERN_WARNING, ha,
3831 "Unable to verify integrity of firmware image (%Zd)!\n",
3832 blob->fw->size);
3833 goto fail_fw_integrity;
3834 }
3835 for (i = 0; i < 4; i++)
3836 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3837 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3838 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3839 wcode[2] == 0 && wcode[3] == 0)) {
3840 qla_printk(KERN_WARNING, ha,
3841 "Unable to verify integrity of firmware image!\n");
3842 qla_printk(KERN_WARNING, ha,
3843 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3844 wcode[1], wcode[2], wcode[3]);
3845 goto fail_fw_integrity;
3846 }
3847
3848 seg = blob->segs;
3849 while (*seg && rval == QLA_SUCCESS) {
3850 risc_addr = *seg;
3851 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3852 risc_size = be16_to_cpu(fwcode[3]);
3853
3854 /* Validate firmware image size. */
3855 fwclen += risc_size * sizeof(uint16_t);
3856 if (blob->fw->size < fwclen) {
3857 qla_printk(KERN_WARNING, ha,
3858 "Unable to verify integrity of firmware image "
3859 "(%Zd)!\n", blob->fw->size);
3860 goto fail_fw_integrity;
3861 }
3862
3863 fragment = 0;
3864 while (risc_size > 0 && rval == QLA_SUCCESS) {
3865 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3866 if (wlen > risc_size)
3867 wlen = risc_size;
3868
3869 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3870 "addr %x, number of words 0x%x.\n", ha->host_no,
3871 risc_addr, wlen));
3872
3873 for (i = 0; i < wlen; i++)
3874 wcode[i] = swab16(fwcode[i]);
3875
3876 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3877 wlen);
3878 if (rval) {
3879 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3880 "segment %d of firmware\n", ha->host_no,
3881 fragment));
3882 qla_printk(KERN_WARNING, ha,
3883 "[ERROR] Failed to load segment %d of "
3884 "firmware\n", fragment);
3885 break;
3886 }
3887
3888 fwcode += wlen;
3889 risc_addr += wlen;
3890 risc_size -= wlen;
3891 fragment++;
3892 }
3893
3894 /* Next segment. */
3895 seg++;
3896 }
3897 return rval;
3898
3899fail_fw_integrity:
3900 return QLA_FUNCTION_FAILED;
3901}
3902
3903int
3904qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3905{
3906 int rval;
3907 int segments, fragment;
3908 uint32_t *dcode, dlen;
3909 uint32_t risc_addr;
3910 uint32_t risc_size;
3911 uint32_t i;
5433383e 3912 struct fw_blob *blob;
0107109e
AV		 3913 uint32_t *fwcode, fwclen;
3914
5433383e
AV		 3915 /* Load firmware blob. */
3916 blob = qla2x00_request_firmware(ha);
3917 if (!blob) {
3918 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3919 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3920 "from: " QLA_FW_URL ".\n");
3921
3922 /* Try to load RISC code from flash. */
3923 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3924 "outdated) firmware from flash.\n");
3925 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3926 }
3927
3928 rval = QLA_SUCCESS;
3929
3930 segments = FA_RISC_CODE_SEGMENTS;
3931 dcode = (uint32_t *)ha->request_ring;
3932 *srisc_addr = 0;
5433383e 3933 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3934 fwclen = 0;
3935
3936 /* Validate firmware image by checking version. */
5433383e 3937 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3938 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3939 "Unable to verify integrity of firmware image (%Zd)!\n",
3940 blob->fw->size);
0107109e
AV		 3941 goto fail_fw_integrity;
3942 }
3943 for (i = 0; i < 4; i++)
3944 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3945 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3946 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3947 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3948 dcode[3] == 0)) {
3949 qla_printk(KERN_WARNING, ha,
5433383e 3950 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3951 qla_printk(KERN_WARNING, ha,
3952 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3953 dcode[1], dcode[2], dcode[3]);
3954 goto fail_fw_integrity;
3955 }
3956
3957 while (segments && rval == QLA_SUCCESS) {
3958 risc_addr = be32_to_cpu(fwcode[2]);
3959 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3960 risc_size = be32_to_cpu(fwcode[3]);
3961
3962 /* Validate firmware image size. */
3963 fwclen += risc_size * sizeof(uint32_t);
5433383e 3964 if (blob->fw->size < fwclen) {
0107109e 3965 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3966 "Unable to verify integrity of firmware image "
3967 "(%Zd)!\n", blob->fw->size);
3968
0107109e
AV		 3969 goto fail_fw_integrity;
3970 }
3971
3972 fragment = 0;
3973 while (risc_size > 0 && rval == QLA_SUCCESS) {
3974 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3975 if (dlen > risc_size)
3976 dlen = risc_size;
3977
3978 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3979 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3980 risc_addr, dlen));
3981
3982 for (i = 0; i < dlen; i++)
3983 dcode[i] = swab32(fwcode[i]);
3984
590f98e5
AV		 3985 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3986 dlen);
0107109e
AV		 3987 if (rval) {
3988 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3989 "segment %d of firmware\n", ha->host_no,
3990 fragment));
3991 qla_printk(KERN_WARNING, ha,
3992 "[ERROR] Failed to load segment %d of "
3993 "firmware\n", fragment);
3994 break;
3995 }
3996
3997 fwcode += dlen;
3998 risc_addr += dlen;
3999 risc_size -= dlen;
4000 fragment++;
4001 }
4002
4003 /* Next segment. */
4004 segments--;
4005 }
0107109e
AV		 4006 return rval;
4007
4008fail_fw_integrity:
0107109e 4009 return QLA_FUNCTION_FAILED;
0107109e 4010}
18c6c127
AV		 4011
4012void
4013qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4014{
4015 int ret, retries;
4016
e428924c 4017 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4018 return;
75edf81d
AV		 4019 if (!ha->fw_major_version)
4020 return;
18c6c127
AV		 4021
4022 ret = qla2x00_stop_firmware(ha);
7c7f1f29
AV		 4023 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4024 retries ; retries--) {
18c6c127
AV		 4025 qla2x00_reset_chip(ha);
4026 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4027 continue;
4028 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4029 continue;
4030 qla_printk(KERN_INFO, ha,
4031 "Attempting retry of stop-firmware command...\n");
4032 ret = qla2x00_stop_firmware(ha);
4033 }
4034}
2c3dfe3f
SJ		 4035
4036int
4037qla24xx_configure_vhba(scsi_qla_host_t *ha)
4038{
4039 int rval = QLA_SUCCESS;
4040 uint16_t mb[MAILBOX_REGISTER_COUNT];
4041
4042 if (!ha->parent)
4043 return -EINVAL;
4044
d4486fd6 4045 rval = qla2x00_fw_ready(ha->parent);
2c3dfe3f
SJ		 4046 if (rval == QLA_SUCCESS) {
4047 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
d4486fd6 4048 qla2x00_marker(ha->parent, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4049 }
4050
4051 ha->flags.management_server_logged_in = 0;
4052
4053 /* Login to SNS first */
d4486fd6 4054 qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc,
2c3dfe3f
SJ		 4055 mb, BIT_1);
4056 if (mb[0] != MBS_COMMAND_COMPLETE) {
4057 DEBUG15(qla_printk(KERN_INFO, ha,
4058 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4059 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4060 mb[0], mb[1], mb[2], mb[6], mb[7]));
4061 return (QLA_FUNCTION_FAILED);
4062 }
4063
4064 atomic_set(&ha->loop_down_timer, 0);
4065 atomic_set(&ha->loop_state, LOOP_UP);
4066 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4067 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
d4486fd6 4068 rval = qla2x00_loop_resync(ha->parent);
2c3dfe3f
SJ		 4069
4070 return rval;
4071}
4d4df193
HK		 4072
4073/* 84XX Support **************************************************************/
4074
4075static LIST_HEAD(qla_cs84xx_list);
4076static DEFINE_MUTEX(qla_cs84xx_mutex);
4077
4078static struct qla_chip_state_84xx *
4079qla84xx_get_chip(struct scsi_qla_host *ha)
4080{
4081 struct qla_chip_state_84xx *cs84xx;
4082
4083 mutex_lock(&qla_cs84xx_mutex);
4084
4085 /* Find any shared 84xx chip. */
4086 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4087 if (cs84xx->bus == ha->pdev->bus) {
4088 kref_get(&cs84xx->kref);
4089 goto done;
4090 }
4091 }
4092
4093 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4094 if (!cs84xx)
4095 goto done;
4096
4097 kref_init(&cs84xx->kref);
4098 spin_lock_init(&cs84xx->access_lock);
4099 mutex_init(&cs84xx->fw_update_mutex);
4100 cs84xx->bus = ha->pdev->bus;
4101
4102 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4103done:
4104 mutex_unlock(&qla_cs84xx_mutex);
4105 return cs84xx;
4106}
4107
4108static void
4109__qla84xx_chip_release(struct kref *kref)
4110{
4111 struct qla_chip_state_84xx *cs84xx =
4112 container_of(kref, struct qla_chip_state_84xx, kref);
4113
4114 mutex_lock(&qla_cs84xx_mutex);
4115 list_del(&cs84xx->list);
4116 mutex_unlock(&qla_cs84xx_mutex);
4117 kfree(cs84xx);
4118}
4119
4120void
4121qla84xx_put_chip(struct scsi_qla_host *ha)
4122{
4123 if (ha->cs84xx)
4124 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4125}
4126
4127static int
4128qla84xx_init_chip(scsi_qla_host_t *ha)
4129{
4130 int rval;
4131 uint16_t status[2];
4132
4133 mutex_lock(&ha->cs84xx->fw_update_mutex);
4134
4135 rval = qla84xx_verify_chip(ha, status);
4136
4137 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4138
4139 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4140 QLA_SUCCESS;
4141}
kernel source for telekom puls (alcatel/mediatek)