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[SCSI] qla2xxx: Cleanse memory allocation logic during probe.
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
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/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
19#ifndef EXT_IS_LUN_BIT_SET
20#define EXT_IS_LUN_BIT_SET(P,L) \
21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
22#define EXT_SET_LUN_BIT(P,L) \
23 ((P)->mask[L/8] |= (0x80 >> (L%8)))
24#endif
25
26/*
27* QLogic ISP2x00 Hardware Support Function Prototypes.
28*/
1da177e4 29static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 30static void qla2x00_resize_request_q(scsi_qla_host_t *);
31static int qla2x00_setup_chip(scsi_qla_host_t *);
32static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
33static int qla2x00_init_rings(scsi_qla_host_t *);
34static int qla2x00_fw_ready(scsi_qla_host_t *);
35static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 36static int qla2x00_configure_loop(scsi_qla_host_t *);
37static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 38static int qla2x00_configure_fabric(scsi_qla_host_t *);
39static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
40static int qla2x00_device_resync(scsi_qla_host_t *);
41static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
42 uint16_t *);
1da177e4
LT		 43
44static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 45
413975a0
AB		 46static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
47
1da177e4
LT		 48/****************************************************************************/
49/* QLogic ISP2x00 Hardware Support Functions. */
50/****************************************************************************/
51
52/*
53* qla2x00_initialize_adapter
54* Initialize board.
55*
56* Input:
57* ha = adapter block pointer.
58*
59* Returns:
60* 0 = success
61*/
62int
63qla2x00_initialize_adapter(scsi_qla_host_t *ha)
64{
65 int rval;
1da177e4
LT		 66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
2603221a 72 ha->device_flags = DFLG_NO_CABLE;
1da177e4 73 ha->dpc_flags = 0;
1da177e4
LT		 74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
cca5335c 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 80
0107109e 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
fd34f556 82 rval = ha->isp_ops->pci_config(ha);
1da177e4 83 if (rval) {
7c98a046 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
1da177e4
LT		 85 ha->host_no));
86 return (rval);
87 }
88
fd34f556 89 ha->isp_ops->reset_chip(ha);
1da177e4 90
fd34f556 91 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 92
1da177e4 93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 94
fd34f556 95 ha->isp_ops->nvram_config(ha);
1da177e4 96
d4c760c2
AV		 97 if (ha->flags.disable_serdes) {
98 /* Mask HBA via NVRAM settings? */
99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
101 ha->port_name[0], ha->port_name[1],
102 ha->port_name[2], ha->port_name[3],
103 ha->port_name[4], ha->port_name[5],
104 ha->port_name[6], ha->port_name[7]);
105 return QLA_FUNCTION_FAILED;
106 }
107
1da177e4
LT		 108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
109
d19044c3 110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
fd34f556 111 rval = ha->isp_ops->chip_diag(ha);
d19044c3
AV		 112 if (rval)
113 return (rval);
114 rval = qla2x00_setup_chip(ha);
115 if (rval)
116 return (rval);
1da177e4 117 }
d19044c3 118 rval = qla2x00_init_rings(ha);
1da177e4
LT		 119
120 return (rval);
121}
122
123/**
abbd8870 124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 125 * @ha: HA context
126 *
127 * Returns 0 on success.
128 */
abbd8870
AV		 129int
130qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 131{
a157b101 132 uint16_t w;
27b2f679 133 uint32_t d;
abbd8870 134 unsigned long flags;
3d71644c 135 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 136
1da177e4 137 pci_set_master(ha->pdev);
af6177d8 138 pci_try_set_mwi(ha->pdev);
1da177e4 139
1da177e4 140 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 141 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 142 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
143
144 /* Reset expansion ROM address decode enable */
27b2f679
AK		 145 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
146 d &= ~PCI_ROM_ADDRESS_ENABLE;
147 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 148
149 /* Get PCI bus information. */
150 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 151 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 152 spin_unlock_irqrestore(&ha->hardware_lock, flags);
153
abbd8870
AV		 154 return QLA_SUCCESS;
155}
1da177e4 156
abbd8870
AV		 157/**
158 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
159 * @ha: HA context
160 *
161 * Returns 0 on success.
162 */
163int
164qla2300_pci_config(scsi_qla_host_t *ha)
165{
a157b101 166 uint16_t w;
27b2f679 167 uint32_t d;
abbd8870
AV		 168 unsigned long flags = 0;
169 uint32_t cnt;
3d71644c 170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 171
abbd8870 172 pci_set_master(ha->pdev);
af6177d8 173 pci_try_set_mwi(ha->pdev);
1da177e4 174
abbd8870 175 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 176 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 177
abbd8870
AV		 178 if (IS_QLA2322(ha) || IS_QLA6322(ha))
179 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 180 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 181
abbd8870
AV		 182 /*
183 * If this is a 2300 card and not 2312, reset the
184 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
185 * the 2310 also reports itself as a 2300 so we need to get the
186 * fb revision level -- a 6 indicates it really is a 2300 and
187 * not a 2310.
188 */
189 if (IS_QLA2300(ha)) {
190 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 191
abbd8870 192 /* Pause RISC. */
3d71644c 193 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 194 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 195 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 196 break;
1da177e4 197
abbd8870
AV		 198 udelay(10);
199 }
1da177e4 200
abbd8870 201 /* Select FPM registers. */
3d71644c
AV		 202 WRT_REG_WORD(&reg->ctrl_status, 0x20);
203 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 204
205 /* Get the fb rev level */
3d71644c 206 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 207
208 if (ha->fb_rev == FPM_2300)
a157b101 209 pci_clear_mwi(ha->pdev);
abbd8870
AV		 210
211 /* Deselect FPM registers. */
3d71644c
AV		 212 WRT_REG_WORD(&reg->ctrl_status, 0x0);
213 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 214
215 /* Release RISC module. */
3d71644c 216 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 217 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 218 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 219 break;
220
221 udelay(10);
1da177e4 222 }
1da177e4 223
abbd8870
AV		 224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
225 }
1da177e4 226
abbd8870
AV		 227 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
228
1da177e4 229 /* Reset expansion ROM address decode enable */
27b2f679
AK		 230 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
231 d &= ~PCI_ROM_ADDRESS_ENABLE;
232 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 233
abbd8870
AV		 234 /* Get PCI bus information. */
235 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 236 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238
239 return QLA_SUCCESS;
1da177e4
LT		 240}
241
0107109e
AV		 242/**
243 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
244 * @ha: HA context
245 *
246 * Returns 0 on success.
247 */
248int
249qla24xx_pci_config(scsi_qla_host_t *ha)
250{
a157b101 251 uint16_t w;
27b2f679 252 uint32_t d;
0107109e
AV		 253 unsigned long flags = 0;
254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 255
256 pci_set_master(ha->pdev);
af6177d8 257 pci_try_set_mwi(ha->pdev);
0107109e
AV		 258
259 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 260 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 261 w &= ~PCI_COMMAND_INTX_DISABLE;
262 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
263
264 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
265
266 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 267 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
268 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 269
270 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
272 pcie_set_readrq(ha->pdev, 2048);
0107109e
AV		 273
274 /* Reset expansion ROM address decode enable */
27b2f679
AK		 275 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
276 d &= ~PCI_ROM_ADDRESS_ENABLE;
277 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e 278
44c10138 279 ha->chip_revision = ha->pdev->revision;
a8488abe 280
0107109e
AV		 281 /* Get PCI bus information. */
282 spin_lock_irqsave(&ha->hardware_lock, flags);
283 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
284 spin_unlock_irqrestore(&ha->hardware_lock, flags);
285
286 return QLA_SUCCESS;
287}
288
c3a2f0df
AV		 289/**
290 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
291 * @ha: HA context
292 *
293 * Returns 0 on success.
294 */
295int
296qla25xx_pci_config(scsi_qla_host_t *ha)
297{
298 uint16_t w;
299 uint32_t d;
300
301 pci_set_master(ha->pdev);
302 pci_try_set_mwi(ha->pdev);
303
304 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
305 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
306 w &= ~PCI_COMMAND_INTX_DISABLE;
307 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
308
309 /* PCIe -- adjust Maximum Read Request Size (2048). */
310 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
311 pcie_set_readrq(ha->pdev, 2048);
312
313 /* Reset expansion ROM address decode enable */
314 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
315 d &= ~PCI_ROM_ADDRESS_ENABLE;
316 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
317
318 ha->chip_revision = ha->pdev->revision;
319
320 return QLA_SUCCESS;
321}
322
1da177e4
LT		 323/**
324 * qla2x00_isp_firmware() - Choose firmware image.
325 * @ha: HA context
326 *
327 * Returns 0 on success.
328 */
329static int
330qla2x00_isp_firmware(scsi_qla_host_t *ha)
331{
332 int rval;
333
334 /* Assume loading risc code */
fa2a1ce5 335 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 336
337 if (ha->flags.disable_risc_code_load) {
338 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
339 ha->host_no));
340 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
341
342 /* Verify checksum of loaded RISC code. */
441d1072 343 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
1da177e4
LT		 344 }
345
346 if (rval) {
347 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
348 ha->host_no));
349 }
350
351 return (rval);
352}
353
354/**
355 * qla2x00_reset_chip() - Reset ISP chip.
356 * @ha: HA context
357 *
358 * Returns 0 on success.
359 */
abbd8870 360void
fa2a1ce5 361qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 362{
363 unsigned long flags = 0;
3d71644c 364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 365 uint32_t cnt;
1da177e4
LT		 366 uint16_t cmd;
367
fd34f556 368 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 369
370 spin_lock_irqsave(&ha->hardware_lock, flags);
371
372 /* Turn off master enable */
373 cmd = 0;
374 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
375 cmd &= ~PCI_COMMAND_MASTER;
376 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
377
378 if (!IS_QLA2100(ha)) {
379 /* Pause RISC. */
380 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
381 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
382 for (cnt = 0; cnt < 30000; cnt++) {
383 if ((RD_REG_WORD(&reg->hccr) &
384 HCCR_RISC_PAUSE) != 0)
385 break;
386 udelay(100);
387 }
388 } else {
389 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
390 udelay(10);
391 }
392
393 /* Select FPM registers. */
394 WRT_REG_WORD(&reg->ctrl_status, 0x20);
395 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
396
397 /* FPM Soft Reset. */
398 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
399 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
400
401 /* Toggle Fpm Reset. */
402 if (!IS_QLA2200(ha)) {
403 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
404 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
405 }
406
407 /* Select frame buffer registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0x10);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset frame buffer FIFOs. */
412 if (IS_QLA2200(ha)) {
413 WRT_FB_CMD_REG(ha, reg, 0xa000);
414 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
415 } else {
416 WRT_FB_CMD_REG(ha, reg, 0x00fc);
417
418 /* Read back fb_cmd until zero or 3 seconds max */
419 for (cnt = 0; cnt < 3000; cnt++) {
420 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
421 break;
422 udelay(100);
423 }
424 }
425
426 /* Select RISC module registers. */
427 WRT_REG_WORD(&reg->ctrl_status, 0);
428 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
429
430 /* Reset RISC processor. */
431 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
433
434 /* Release RISC processor. */
435 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
436 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
437 }
438
439 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
440 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
441
442 /* Reset ISP chip. */
443 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
444
445 /* Wait for RISC to recover from reset. */
446 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
447 /*
448 * It is necessary to for a delay here since the card doesn't
449 * respond to PCI reads during a reset. On some architectures
450 * this will result in an MCA.
451 */
452 udelay(20);
453 for (cnt = 30000; cnt; cnt--) {
454 if ((RD_REG_WORD(&reg->ctrl_status) &
455 CSR_ISP_SOFT_RESET) == 0)
456 break;
457 udelay(100);
458 }
459 } else
460 udelay(10);
461
462 /* Reset RISC processor. */
463 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
464
465 WRT_REG_WORD(&reg->semaphore, 0);
466
467 /* Release RISC processor. */
468 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470
471 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
472 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 473 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 474 break;
1da177e4
LT		 475
476 udelay(100);
477 }
478 } else
479 udelay(100);
480
481 /* Turn on master enable */
482 cmd |= PCI_COMMAND_MASTER;
483 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
484
485 /* Disable RISC pause on FPM parity error. */
486 if (!IS_QLA2100(ha)) {
487 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 spin_unlock_irqrestore(&ha->hardware_lock, flags);
492}
493
0107109e 494/**
88c26663 495 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 496 * @ha: HA context
497 *
498 * Returns 0 on success.
499 */
88c26663
AV		 500static inline void
501qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 502{
503 unsigned long flags = 0;
504 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
505 uint32_t cnt, d2;
335a1cc9 506 uint16_t wd;
0107109e 507
0107109e
AV		 508 spin_lock_irqsave(&ha->hardware_lock, flags);
509
510 /* Reset RISC. */
511 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
512 for (cnt = 0; cnt < 30000; cnt++) {
513 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
514 break;
515
516 udelay(10);
517 }
518
519 WRT_REG_DWORD(&reg->ctrl_status,
520 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 521 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 522
335a1cc9 523 udelay(100);
88c26663 524 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 525 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
526 for (cnt = 10000 ; cnt && d2; cnt--) {
527 udelay(5);
528 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
529 barrier();
530 }
531
335a1cc9 532 /* Wait for soft-reset to complete. */
0107109e
AV		 533 d2 = RD_REG_DWORD(&reg->ctrl_status);
534 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
535 udelay(5);
536 d2 = RD_REG_DWORD(&reg->ctrl_status);
537 barrier();
538 }
539
540 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
541 RD_REG_DWORD(&reg->hccr);
542
543 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
544 RD_REG_DWORD(&reg->hccr);
545
546 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
547 RD_REG_DWORD(&reg->hccr);
548
549 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
550 for (cnt = 6000000 ; cnt && d2; cnt--) {
551 udelay(5);
552 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
553 barrier();
554 }
555
556 spin_unlock_irqrestore(&ha->hardware_lock, flags);
557}
558
88c26663
AV		 559/**
560 * qla24xx_reset_chip() - Reset ISP24xx chip.
561 * @ha: HA context
562 *
563 * Returns 0 on success.
564 */
565void
566qla24xx_reset_chip(scsi_qla_host_t *ha)
567{
fd34f556 568 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 569
570 /* Perform RISC reset. */
571 qla24xx_reset_risc(ha);
572}
573
1da177e4
LT		 574/**
575 * qla2x00_chip_diag() - Test chip for proper operation.
576 * @ha: HA context
577 *
578 * Returns 0 on success.
579 */
abbd8870 580int
1da177e4
LT		 581qla2x00_chip_diag(scsi_qla_host_t *ha)
582{
583 int rval;
3d71644c 584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 585 unsigned long flags = 0;
586 uint16_t data;
587 uint32_t cnt;
588 uint16_t mb[5];
589
590 /* Assume a failed state */
591 rval = QLA_FUNCTION_FAILED;
592
593 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
594 ha->host_no, (u_long)&reg->flash_address));
595
596 spin_lock_irqsave(&ha->hardware_lock, flags);
597
598 /* Reset ISP chip. */
599 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
600
601 /*
602 * We need to have a delay here since the card will not respond while
603 * in reset causing an MCA on some architectures.
604 */
605 udelay(20);
606 data = qla2x00_debounce_register(&reg->ctrl_status);
607 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
608 udelay(5);
609 data = RD_REG_WORD(&reg->ctrl_status);
610 barrier();
611 }
612
613 if (!cnt)
614 goto chip_diag_failed;
615
616 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
617 ha->host_no));
618
619 /* Reset RISC processor. */
620 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
621 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
622
623 /* Workaround for QLA2312 PCI parity error */
624 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
625 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
626 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
627 udelay(5);
628 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 629 barrier();
1da177e4
LT		 630 }
631 } else
632 udelay(10);
633
634 if (!cnt)
635 goto chip_diag_failed;
636
637 /* Check product ID of chip */
638 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
639
640 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
641 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
642 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
643 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
644 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
645 mb[3] != PROD_ID_3) {
646 qla_printk(KERN_WARNING, ha,
647 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
648
649 goto chip_diag_failed;
650 }
651 ha->product_id[0] = mb[1];
652 ha->product_id[1] = mb[2];
653 ha->product_id[2] = mb[3];
654 ha->product_id[3] = mb[4];
655
656 /* Adjust fw RISC transfer size */
657 if (ha->request_q_length > 1024)
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
659 else
660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
661 ha->request_q_length;
662
663 if (IS_QLA2200(ha) &&
664 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
665 /* Limit firmware transfer size with a 2200A */
666 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
667 ha->host_no));
668
ea5b6382 669 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 670 ha->fw_transfer_size = 128;
671 }
672
673 /* Wrap Incoming Mailboxes Test. */
674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
675
676 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
677 rval = qla2x00_mbx_reg_test(ha);
678 if (rval) {
679 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
680 ha->host_no));
681 qla_printk(KERN_WARNING, ha,
682 "Failed mailbox send register test\n");
683 }
684 else {
685 /* Flag a successful rval */
686 rval = QLA_SUCCESS;
687 }
688 spin_lock_irqsave(&ha->hardware_lock, flags);
689
690chip_diag_failed:
691 if (rval)
692 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
693 "****\n", ha->host_no));
694
695 spin_unlock_irqrestore(&ha->hardware_lock, flags);
696
697 return (rval);
698}
699
0107109e
AV		 700/**
701 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
702 * @ha: HA context
703 *
704 * Returns 0 on success.
705 */
706int
707qla24xx_chip_diag(scsi_qla_host_t *ha)
708{
709 int rval;
0107109e 710
88c26663
AV		 711 /* Perform RISC reset. */
712 qla24xx_reset_risc(ha);
0107109e
AV		 713
714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
715
716 rval = qla2x00_mbx_reg_test(ha);
717 if (rval) {
718 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
719 ha->host_no));
720 qla_printk(KERN_WARNING, ha,
721 "Failed mailbox send register test\n");
722 } else {
723 /* Flag a successful rval */
724 rval = QLA_SUCCESS;
725 }
726
727 return rval;
728}
729
a7a167bf 730void
0107109e
AV		 731qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
732{
a7a167bf
AV		 733 int rval;
734 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
df613b96
AV		 735 eft_size, fce_size;
736 dma_addr_t tc_dma;
737 void *tc;
a7a167bf
AV		 738
739 if (ha->fw_dump) {
740 qla_printk(KERN_WARNING, ha,
741 "Firmware dump previously allocated.\n");
742 return;
743 }
d4e3e04d 744
0107109e 745 ha->fw_dumped = 0;
df613b96 746 fixed_size = mem_size = eft_size = fce_size = 0;
d4e3e04d 747 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 748 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 749 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 750 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
751 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
752 sizeof(uint16_t);
e428924c 753 } else if (IS_FWI2_CAPABLE(ha)) {
c3a2f0df
AV		 754 fixed_size = IS_QLA25XX(ha) ?
755 offsetof(struct qla25xx_fw_dump, ext_mem):
756 offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 757 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
758 sizeof(uint32_t);
759
760 /* Allocate memory for Extended Trace Buffer. */
df613b96 761 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
a7a167bf 762 GFP_KERNEL);
df613b96 763 if (!tc) {
a7a167bf
AV		 764 qla_printk(KERN_WARNING, ha, "Unable to allocate "
765 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
766 goto cont_alloc;
767 }
768
fc44765f 769 memset(tc, 0, EFT_SIZE);
df613b96 770 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
a7a167bf
AV		 771 if (rval) {
772 qla_printk(KERN_WARNING, ha, "Unable to initialize "
773 "EFT (%d).\n", rval);
df613b96
AV		 774 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
775 tc_dma);
a7a167bf
AV		 776 goto cont_alloc;
777 }
778
779 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
780 EFT_SIZE / 1024);
781
782 eft_size = EFT_SIZE;
df613b96
AV		 783 ha->eft_dma = tc_dma;
784 ha->eft = tc;
785
786 /* Allocate memory for Fibre Channel Event Buffer. */
787 if (!IS_QLA25XX(ha))
788 goto cont_alloc;
789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
795 goto cont_alloc;
796 }
797
798 memset(tc, 0, FCE_SIZE);
799 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
807 goto cont_alloc;
808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
813 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
d4e3e04d 817 }
a7a167bf
AV		 818cont_alloc:
819 req_q_size = ha->request_q_length * sizeof(request_t);
820 rsp_q_size = ha->response_q_length * sizeof(response_t);
821
822 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
823 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
df613b96 824 eft_size + fce_size;
d4e3e04d
AV		 825
826 ha->fw_dump = vmalloc(dump_size);
a7a167bf 827 if (!ha->fw_dump) {
0107109e 828 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 829 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 830
831 if (ha->eft) {
832 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
833 ha->eft_dma);
834 ha->eft = NULL;
835 ha->eft_dma = 0;
836 }
837 return;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
841 dump_size / 1024);
842
843 ha->fw_dump_len = dump_size;
844 ha->fw_dump->signature[0] = 'Q';
845 ha->fw_dump->signature[1] = 'L';
846 ha->fw_dump->signature[2] = 'G';
847 ha->fw_dump->signature[3] = 'C';
848 ha->fw_dump->version = __constant_htonl(1);
849
850 ha->fw_dump->fixed_size = htonl(fixed_size);
851 ha->fw_dump->mem_size = htonl(mem_size);
852 ha->fw_dump->req_q_size = htonl(req_q_size);
853 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
854
855 ha->fw_dump->eft_size = htonl(eft_size);
856 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
857 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
858
859 ha->fw_dump->header_size =
860 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 861}
862
1da177e4
LT		 863/**
864 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869static void
870qla2x00_resize_request_q(scsi_qla_host_t *ha)
871{
872 int rval;
873 uint16_t fw_iocb_cnt = 0;
874 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
875 dma_addr_t request_dma;
876 request_t *request_ring;
877
878 /* Valid only on recent ISPs. */
879 if (IS_QLA2100(ha) || IS_QLA2200(ha))
880 return;
881
882 /* Retrieve IOCB counts available to the firmware. */
4d0ea247
SJ		 883 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
884 &ha->max_npiv_vports);
1da177e4
LT		 885 if (rval)
886 return;
887 /* No point in continuing if current settings are sufficient. */
888 if (fw_iocb_cnt < 1024)
889 return;
890 if (ha->request_q_length >= request_q_length)
891 return;
892
893 /* Attempt to claim larger area for request queue. */
894 request_ring = dma_alloc_coherent(&ha->pdev->dev,
895 (request_q_length + 1) * sizeof(request_t), &request_dma,
896 GFP_KERNEL);
897 if (request_ring == NULL)
898 return;
899
900 /* Resize successful, report extensions. */
901 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
902 (ha->fw_memory_size + 1) / 1024);
903 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
904 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
905
906 /* Clear old allocations. */
907 dma_free_coherent(&ha->pdev->dev,
908 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
909 ha->request_dma);
910
911 /* Begin using larger queue. */
912 ha->request_q_length = request_q_length;
913 ha->request_ring = request_ring;
914 ha->request_dma = request_dma;
915}
916
917/**
918 * qla2x00_setup_chip() - Load and start RISC firmware.
919 * @ha: HA context
920 *
921 * Returns 0 on success.
922 */
923static int
924qla2x00_setup_chip(scsi_qla_host_t *ha)
925{
0107109e
AV		 926 int rval;
927 uint32_t srisc_address = 0;
1da177e4
LT		 928
929 /* Load firmware sequences */
fd34f556 930 rval = ha->isp_ops->load_risc(ha, &srisc_address);
0107109e 931 if (rval == QLA_SUCCESS) {
1da177e4
LT		 932 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
933 "code.\n", ha->host_no));
934
0107109e 935 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 936 if (rval == QLA_SUCCESS) {
937 /* Start firmware execution. */
938 DEBUG(printk("scsi(%ld): Checksum OK, start "
939 "firmware.\n", ha->host_no));
940
0107109e 941 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 942 /* Retrieve firmware information. */
943 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
944 qla2x00_get_fw_version(ha,
945 &ha->fw_major_version,
946 &ha->fw_minor_version,
947 &ha->fw_subminor_version,
948 &ha->fw_attributes, &ha->fw_memory_size);
949 qla2x00_resize_request_q(ha);
2c3dfe3f 950 ha->flags.npiv_supported = 0;
4d0ea247
SJ		 951 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
952 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 953 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 954 if ((!ha->max_npiv_vports) ||
955 ((ha->max_npiv_vports + 1) %
eb66dc60 956 MIN_MULTI_ID_FABRIC))
4d0ea247 957 ha->max_npiv_vports =
eb66dc60 958 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 959 }
a7a167bf
AV		 960
961 if (ql2xallocfwdump)
962 qla2x00_alloc_fw_dump(ha);
1da177e4
LT		 963 }
964 } else {
965 DEBUG2(printk(KERN_INFO
966 "scsi(%ld): ISP Firmware failed checksum.\n",
967 ha->host_no));
968 }
969 }
970
971 if (rval) {
972 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
973 ha->host_no));
974 }
975
976 return (rval);
977}
978
979/**
980 * qla2x00_init_response_q_entries() - Initializes response queue entries.
981 * @ha: HA context
982 *
983 * Beginning of request ring has initialization control block already built
984 * by nvram config routine.
985 *
986 * Returns 0 on success.
987 */
988static void
989qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
990{
991 uint16_t cnt;
992 response_t *pkt;
993
994 pkt = ha->response_ring_ptr;
995 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
996 pkt->signature = RESPONSE_PROCESSED;
997 pkt++;
998 }
999
1000}
1001
1002/**
1003 * qla2x00_update_fw_options() - Read and process firmware options.
1004 * @ha: HA context
1005 *
1006 * Returns 0 on success.
1007 */
abbd8870 1008void
1da177e4
LT		 1009qla2x00_update_fw_options(scsi_qla_host_t *ha)
1010{
1011 uint16_t swing, emphasis, tx_sens, rx_sens;
1012
1013 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1014 qla2x00_get_fw_options(ha, ha->fw_options);
1015
1016 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1017 return;
1018
1019 /* Serial Link options. */
1020 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1021 ha->host_no));
1022 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1023 sizeof(ha->fw_seriallink_options)));
1024
1025 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1026 if (ha->fw_seriallink_options[3] & BIT_2) {
1027 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1028
1029 /* 1G settings */
1030 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1031 emphasis = (ha->fw_seriallink_options[2] &
1032 (BIT_4 | BIT_3)) >> 3;
1033 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1034 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1035 rx_sens = (ha->fw_seriallink_options[0] &
1036 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1037 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1038 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1039 if (rx_sens == 0x0)
1040 rx_sens = 0x3;
1041 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1042 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1043 ha->fw_options[10] |= BIT_5 |
1044 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1045 (tx_sens & (BIT_1 | BIT_0));
1046
1047 /* 2G settings */
1048 swing = (ha->fw_seriallink_options[2] &
1049 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1050 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1051 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1052 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1053 rx_sens = (ha->fw_seriallink_options[1] &
1054 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1055 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1056 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1057 if (rx_sens == 0x0)
1058 rx_sens = 0x3;
1059 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1060 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1061 ha->fw_options[11] |= BIT_5 |
1062 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1063 (tx_sens & (BIT_1 | BIT_0));
1064 }
1065
1066 /* FCP2 options. */
1067 /* Return command IOCBs without waiting for an ABTS to complete. */
1068 ha->fw_options[3] |= BIT_13;
1069
1070 /* LED scheme. */
1071 if (ha->flags.enable_led_scheme)
1072 ha->fw_options[2] |= BIT_12;
1073
48c02fde
AV		 1074 /* Detect ISP6312. */
1075 if (IS_QLA6312(ha))
1076 ha->fw_options[2] |= BIT_13;
1077
1da177e4
LT		 1078 /* Update firmware options. */
1079 qla2x00_set_fw_options(ha, ha->fw_options);
1080}
1081
0107109e
AV		 1082void
1083qla24xx_update_fw_options(scsi_qla_host_t *ha)
1084{
1085 int rval;
1086
1087 /* Update Serial Link options. */
f94097ed 1088 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1089 return;
1090
f94097ed
AV		 1091 rval = qla2x00_set_serdes_params(ha,
1092 le16_to_cpu(ha->fw_seriallink_options24[1]),
1093 le16_to_cpu(ha->fw_seriallink_options24[2]),
1094 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1095 if (rval != QLA_SUCCESS) {
1096 qla_printk(KERN_WARNING, ha,
1097 "Unable to update Serial Link options (%x).\n", rval);
1098 }
1099}
1100
abbd8870
AV		 1101void
1102qla2x00_config_rings(struct scsi_qla_host *ha)
1103{
3d71644c 1104 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1105
1106 /* Setup ring parameters in initialization control block. */
1107 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1108 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1109 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1110 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1111 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1112 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1113 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1114 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1115
1116 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1117 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1118 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1119 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1120 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1121}
1122
0107109e
AV		 1123void
1124qla24xx_config_rings(struct scsi_qla_host *ha)
1125{
1126 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1127 struct init_cb_24xx *icb;
1128
1129 /* Setup ring parameters in initialization control block. */
1130 icb = (struct init_cb_24xx *)ha->init_cb;
1131 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1132 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1133 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1134 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1135 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1136 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1137 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1138 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1139
1140 WRT_REG_DWORD(&reg->req_q_in, 0);
1141 WRT_REG_DWORD(&reg->req_q_out, 0);
1142 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1143 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1144 RD_REG_DWORD(&reg->rsp_q_out);
1145}
1146
1da177e4
LT		 1147/**
1148 * qla2x00_init_rings() - Initializes firmware.
1149 * @ha: HA context
1150 *
1151 * Beginning of request ring has initialization control block already built
1152 * by nvram config routine.
1153 *
1154 * Returns 0 on success.
1155 */
1156static int
1157qla2x00_init_rings(scsi_qla_host_t *ha)
1158{
1159 int rval;
1160 unsigned long flags = 0;
1161 int cnt;
2c3dfe3f
SJ		 1162 struct mid_init_cb_24xx *mid_init_cb =
1163 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1164
1165 spin_lock_irqsave(&ha->hardware_lock, flags);
1166
1167 /* Clear outstanding commands array. */
1168 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1169 ha->outstanding_cmds[cnt] = NULL;
1170
1171 ha->current_outstanding_cmd = 0;
1172
1173 /* Clear RSCN queue. */
1174 ha->rscn_in_ptr = 0;
1175 ha->rscn_out_ptr = 0;
1176
1177 /* Initialize firmware. */
1178 ha->request_ring_ptr = ha->request_ring;
1179 ha->req_ring_index = 0;
1180 ha->req_q_cnt = ha->request_q_length;
1181 ha->response_ring_ptr = ha->response_ring;
1182 ha->rsp_ring_index = 0;
1183
1da177e4
LT		 1184 /* Initialize response queue entries */
1185 qla2x00_init_response_q_entries(ha);
1186
fd34f556 1187 ha->isp_ops->config_rings(ha);
1da177e4
LT		 1188
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
1191 /* Update any ISP specific firmware options before initialization. */
fd34f556 1192 ha->isp_ops->update_fw_options(ha);
1da177e4
LT		 1193
1194 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
2c3dfe3f 1195
c48339de
SJ		 1196 if (ha->flags.npiv_supported)
1197 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1198
eb66dc60 1199 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2c3dfe3f 1200
0107109e 1201 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1202 if (rval) {
1203 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1204 ha->host_no));
1205 } else {
1206 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1207 ha->host_no));
1208 }
1209
1210 return (rval);
1211}
1212
1213/**
1214 * qla2x00_fw_ready() - Waits for firmware ready.
1215 * @ha: HA context
1216 *
1217 * Returns 0 on success.
1218 */
1219static int
1220qla2x00_fw_ready(scsi_qla_host_t *ha)
1221{
1222 int rval;
1223 unsigned long wtime, mtime;
1224 uint16_t min_wait; /* Minimum wait time if loop is down */
1225 uint16_t wait_time; /* Wait time if loop is coming ready */
1226 uint16_t fw_state;
1227
1228 rval = QLA_SUCCESS;
1229
1230 /* 20 seconds for loop down. */
fa2a1ce5 1231 min_wait = 20;
1da177e4
LT		 1232
1233 /*
1234 * Firmware should take at most one RATOV to login, plus 5 seconds for
1235 * our own processing.
1236 */
1237 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1238 wait_time = min_wait;
1239 }
1240
1241 /* Min wait time if loop down */
1242 mtime = jiffies + (min_wait * HZ);
1243
1244 /* wait time before firmware ready */
1245 wtime = jiffies + (wait_time * HZ);
1246
1247 /* Wait for ISP to finish LIP */
1248 if (!ha->flags.init_done)
1249 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1250
1251 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1252 ha->host_no));
1253
1254 do {
1255 rval = qla2x00_get_firmware_state(ha, &fw_state);
1256 if (rval == QLA_SUCCESS) {
1257 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1258 ha->device_flags &= ~DFLG_NO_CABLE;
1259 }
1260 if (fw_state == FSTATE_READY) {
1261 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1262 ha->host_no));
1263
1264 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1265 &ha->login_timeout, &ha->r_a_tov);
1266
1267 rval = QLA_SUCCESS;
1268 break;
1269 }
1270
1271 rval = QLA_FUNCTION_FAILED;
1272
1273 if (atomic_read(&ha->loop_down_timer) &&
7d7abc77 1274 fw_state != FSTATE_READY) {
1da177e4 1275 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1276 * other than Wait for Login.
1277 */
1da177e4
LT		 1278 if (time_after_eq(jiffies, mtime)) {
1279 qla_printk(KERN_INFO, ha,
1280 "Cable is unplugged...\n");
1281
1282 ha->device_flags |= DFLG_NO_CABLE;
1283 break;
1284 }
1285 }
1286 } else {
1287 /* Mailbox cmd failed. Timeout on min_wait. */
1288 if (time_after_eq(jiffies, mtime))
1289 break;
1290 }
1291
1292 if (time_after_eq(jiffies, wtime))
1293 break;
1294
1295 /* Delay for a while */
1296 msleep(500);
1297
1298 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1299 ha->host_no, fw_state, jiffies));
1300 } while (1);
1301
1302 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1303 ha->host_no, fw_state, jiffies));
1304
1305 if (rval) {
1306 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1307 ha->host_no));
1308 }
1309
1310 return (rval);
1311}
1312
1313/*
1314* qla2x00_configure_hba
1315* Setup adapter context.
1316*
1317* Input:
1318* ha = adapter state pointer.
1319*
1320* Returns:
1321* 0 = success
1322*
1323* Context:
1324* Kernel context.
1325*/
1326static int
1327qla2x00_configure_hba(scsi_qla_host_t *ha)
1328{
1329 int rval;
1330 uint16_t loop_id;
1331 uint16_t topo;
2c3dfe3f 1332 uint16_t sw_cap;
1da177e4
LT		 1333 uint8_t al_pa;
1334 uint8_t area;
1335 uint8_t domain;
1336 char connect_type[22];
1337
1338 /* Get host addresses. */
1339 rval = qla2x00_get_adapter_id(ha,
2c3dfe3f 1340 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1341 if (rval != QLA_SUCCESS) {
23443b1d 1342 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1343 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1344 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1345 __func__, ha->host_no));
1346 } else {
1347 qla_printk(KERN_WARNING, ha,
1348 "ERROR -- Unable to get host loop ID.\n");
1349 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1350 }
1da177e4
LT		 1351 return (rval);
1352 }
1353
1354 if (topo == 4) {
1355 qla_printk(KERN_INFO, ha,
1356 "Cannot get topology - retrying.\n");
1357 return (QLA_FUNCTION_FAILED);
1358 }
1359
1360 ha->loop_id = loop_id;
1361
1362 /* initialize */
1363 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1364 ha->operating_mode = LOOP;
2c3dfe3f 1365 ha->switch_cap = 0;
1da177e4
LT		 1366
1367 switch (topo) {
1368 case 0:
1369 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1370 ha->host_no));
1371 ha->current_topology = ISP_CFG_NL;
1372 strcpy(connect_type, "(Loop)");
1373 break;
1374
1375 case 1:
1376 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1377 ha->host_no));
2c3dfe3f 1378 ha->switch_cap = sw_cap;
1da177e4
LT		 1379 ha->current_topology = ISP_CFG_FL;
1380 strcpy(connect_type, "(FL_Port)");
1381 break;
1382
1383 case 2:
1384 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1385 ha->host_no));
1386 ha->operating_mode = P2P;
1387 ha->current_topology = ISP_CFG_N;
1388 strcpy(connect_type, "(N_Port-to-N_Port)");
1389 break;
1390
1391 case 3:
1392 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1393 ha->host_no));
2c3dfe3f 1394 ha->switch_cap = sw_cap;
1da177e4
LT		 1395 ha->operating_mode = P2P;
1396 ha->current_topology = ISP_CFG_F;
1397 strcpy(connect_type, "(F_Port)");
1398 break;
1399
1400 default:
1401 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1402 "Using NL.\n",
1403 ha->host_no, topo));
1404 ha->current_topology = ISP_CFG_NL;
1405 strcpy(connect_type, "(Loop)");
1406 break;
1407 }
1408
1409 /* Save Host port and loop ID. */
1410 /* byte order - Big Endian */
1411 ha->d_id.b.domain = domain;
1412 ha->d_id.b.area = area;
1413 ha->d_id.b.al_pa = al_pa;
1414
1415 if (!ha->flags.init_done)
1416 qla_printk(KERN_INFO, ha,
1417 "Topology - %s, Host Loop address 0x%x\n",
1418 connect_type, ha->loop_id);
1419
1420 if (rval) {
1421 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1422 } else {
1423 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1424 }
1425
1426 return(rval);
1427}
1428
9bb9fcf2
AV		 1429static inline void
1430qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1431{
1432 char *st, *en;
1433 uint16_t index;
1434
1435 if (memcmp(model, BINZERO, len) != 0) {
1436 strncpy(ha->model_number, model, len);
1437 st = en = ha->model_number;
1438 en += len - 1;
1439 while (en > st) {
1440 if (*en != 0x20 && *en != 0x00)
1441 break;
1442 *en-- = '\0';
1443 }
1444
1445 index = (ha->pdev->subsystem_device & 0xff);
1446 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1447 index < QLA_MODEL_NAMES)
1448 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1449 } else {
1450 index = (ha->pdev->subsystem_device & 0xff);
1451 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1452 index < QLA_MODEL_NAMES) {
1453 strcpy(ha->model_number,
1454 qla2x00_model_name[index * 2]);
1455 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1456 } else {
1457 strcpy(ha->model_number, def);
1458 }
1459 }
1460}
1461
4e08df3f
DM		 1462/* On sparc systems, obtain port and node WWN from firmware
1463 * properties.
1464 */
1465static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1466{
1467#ifdef CONFIG_SPARC
1468 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1469 struct device_node *dp = pci_device_to_OF_node(pdev);
1470 const u8 *val;
4e08df3f
DM		 1471 int len;
1472
1473 val = of_get_property(dp, "port-wwn", &len);
1474 if (val && len >= WWN_SIZE)
1475 memcpy(nv->port_name, val, WWN_SIZE);
1476
1477 val = of_get_property(dp, "node-wwn", &len);
1478 if (val && len >= WWN_SIZE)
1479 memcpy(nv->node_name, val, WWN_SIZE);
1480#endif
1481}
1482
1da177e4
LT		 1483/*
1484* NVRAM configuration for ISP 2xxx
1485*
1486* Input:
1487* ha = adapter block pointer.
1488*
1489* Output:
1490* initialization control block in response_ring
1491* host adapters parameters in host adapter block
1492*
1493* Returns:
1494* 0 = success.
1495*/
abbd8870 1496int
1da177e4
LT		 1497qla2x00_nvram_config(scsi_qla_host_t *ha)
1498{
4e08df3f 1499 int rval;
0107109e
AV		 1500 uint8_t chksum = 0;
1501 uint16_t cnt;
1502 uint8_t *dptr1, *dptr2;
1503 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1504 nvram_t *nv = ha->nvram;
1505 uint8_t *ptr = ha->nvram;
3d71644c 1506 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1507
4e08df3f
DM		 1508 rval = QLA_SUCCESS;
1509
1da177e4 1510 /* Determine NVRAM starting address. */
0107109e 1511 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1512 ha->nvram_base = 0;
1513 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1514 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1515 ha->nvram_base = 0x80;
1516
1517 /* Get NVRAM data and calculate checksum. */
fd34f556 1518 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1519 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1520 chksum += *ptr++;
1da177e4
LT		 1521
1522 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 1523 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1524
1525 /* Bad NVRAM data, set defaults parameters. */
1526 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1527 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1528 /* Reset NVRAM data. */
1529 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1530 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1531 nv->nvram_version);
4e08df3f
DM		 1532 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1533 "invalid -- WWPN) defaults.\n");
1534
1535 /*
1536 * Set default initialization control block.
1537 */
1538 memset(nv, 0, ha->nvram_size);
1539 nv->parameter_block_version = ICB_VERSION;
1540
1541 if (IS_QLA23XX(ha)) {
1542 nv->firmware_options[0] = BIT_2 | BIT_1;
1543 nv->firmware_options[1] = BIT_7 | BIT_5;
1544 nv->add_firmware_options[0] = BIT_5;
1545 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1546 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1547 nv->special_options[1] = BIT_7;
1548 } else if (IS_QLA2200(ha)) {
1549 nv->firmware_options[0] = BIT_2 | BIT_1;
1550 nv->firmware_options[1] = BIT_7 | BIT_5;
1551 nv->add_firmware_options[0] = BIT_5;
1552 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1553 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1554 } else if (IS_QLA2100(ha)) {
1555 nv->firmware_options[0] = BIT_3 | BIT_1;
1556 nv->firmware_options[1] = BIT_5;
1557 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1558 }
1559
1560 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1561 nv->execution_throttle = __constant_cpu_to_le16(16);
1562 nv->retry_count = 8;
1563 nv->retry_delay = 1;
1564
1565 nv->port_name[0] = 33;
1566 nv->port_name[3] = 224;
1567 nv->port_name[4] = 139;
1568
1569 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1570
1571 nv->login_timeout = 4;
1572
1573 /*
1574 * Set default host adapter parameters
1575 */
1576 nv->host_p[1] = BIT_2;
1577 nv->reset_delay = 5;
1578 nv->port_down_retry_count = 8;
1579 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1580 nv->link_down_timeout = 60;
1581
1582 rval = 1;
1da177e4
LT		 1583 }
1584
1585#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1586 /*
1587 * The SN2 does not provide BIOS emulation which means you can't change
1588 * potentially bogus BIOS settings. Force the use of default settings
1589 * for link rate and frame size. Hope that the rest of the settings
1590 * are valid.
1591 */
1592 if (ia64_platform_is("sn2")) {
1593 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1594 if (IS_QLA23XX(ha))
1595 nv->special_options[1] = BIT_7;
1596 }
1597#endif
1598
1599 /* Reset Initialization control block */
0107109e 1600 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1601
1602 /*
1603 * Setup driver NVRAM options.
1604 */
1605 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1606 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1607 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1608 nv->firmware_options[1] &= ~BIT_4;
1609
1610 if (IS_QLA23XX(ha)) {
1611 nv->firmware_options[0] |= BIT_2;
1612 nv->firmware_options[0] &= ~BIT_3;
0107109e 1613 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1614
1615 if (IS_QLA2300(ha)) {
1616 if (ha->fb_rev == FPM_2310) {
1617 strcpy(ha->model_number, "QLA2310");
1618 } else {
1619 strcpy(ha->model_number, "QLA2300");
1620 }
1621 } else {
9bb9fcf2
AV		 1622 qla2x00_set_model_info(ha, nv->model_number,
1623 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1624 }
1625 } else if (IS_QLA2200(ha)) {
1626 nv->firmware_options[0] |= BIT_2;
1627 /*
1628 * 'Point-to-point preferred, else loop' is not a safe
1629 * connection mode setting.
1630 */
1631 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1632 (BIT_5 | BIT_4)) {
1633 /* Force 'loop preferred, else point-to-point'. */
1634 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1635 nv->add_firmware_options[0] |= BIT_5;
1636 }
1637 strcpy(ha->model_number, "QLA22xx");
1638 } else /*if (IS_QLA2100(ha))*/ {
1639 strcpy(ha->model_number, "QLA2100");
1640 }
1641
1642 /*
1643 * Copy over NVRAM RISC parameter block to initialization control block.
1644 */
1645 dptr1 = (uint8_t *)icb;
1646 dptr2 = (uint8_t *)&nv->parameter_block_version;
1647 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1648 while (cnt--)
1649 *dptr1++ = *dptr2++;
1650
1651 /* Copy 2nd half. */
1652 dptr1 = (uint8_t *)icb->add_firmware_options;
1653 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1654 while (cnt--)
1655 *dptr1++ = *dptr2++;
1656
5341e868
AV		 1657 /* Use alternate WWN? */
1658 if (nv->host_p[1] & BIT_7) {
1659 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1660 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1661 }
1662
1da177e4
LT		 1663 /* Prepare nodename */
1664 if ((icb->firmware_options[1] & BIT_6) == 0) {
1665 /*
1666 * Firmware will apply the following mask if the nodename was
1667 * not provided.
1668 */
1669 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1670 icb->node_name[0] &= 0xF0;
1671 }
1672
1673 /*
1674 * Set host adapter parameters.
1675 */
0181944f 1676 if (nv->host_p[0] & BIT_7)
11010fec 1677 ql2xextended_error_logging = 1;
1da177e4
LT		 1678 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1679 /* Always load RISC code on non ISP2[12]00 chips. */
1680 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1681 ha->flags.disable_risc_code_load = 0;
1682 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1683 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1684 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1685 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1686 ha->flags.disable_serdes = 0;
1da177e4
LT		 1687
1688 ha->operating_mode =
1689 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1690
1691 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1692 sizeof(ha->fw_seriallink_options));
1693
1694 /* save HBA serial number */
1695 ha->serial0 = icb->port_name[5];
1696 ha->serial1 = icb->port_name[6];
1697 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1698 ha->node_name = icb->node_name;
1699 ha->port_name = icb->port_name;
1da177e4
LT		 1700
1701 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1702
1703 ha->retry_count = nv->retry_count;
1704
1705 /* Set minimum login_timeout to 4 seconds. */
1706 if (nv->login_timeout < ql2xlogintimeout)
1707 nv->login_timeout = ql2xlogintimeout;
1708 if (nv->login_timeout < 4)
1709 nv->login_timeout = 4;
1710 ha->login_timeout = nv->login_timeout;
1711 icb->login_timeout = nv->login_timeout;
1712
1713 /* Set minimum RATOV to 200 tenths of a second. */
1714 ha->r_a_tov = 200;
1715
1da177e4
LT		 1716 ha->loop_reset_delay = nv->reset_delay;
1717
1da177e4
LT		 1718 /* Link Down Timeout = 0:
1719 *
1720 * When Port Down timer expires we will start returning
1721 * I/O's to OS with "DID_NO_CONNECT".
1722 *
1723 * Link Down Timeout != 0:
1724 *
1725 * The driver waits for the link to come up after link down
1726 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1727 */
1da177e4
LT		 1728 if (nv->link_down_timeout == 0) {
1729 ha->loop_down_abort_time =
354d6b21 1730 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1731 } else {
1732 ha->link_down_timeout = nv->link_down_timeout;
1733 ha->loop_down_abort_time =
1734 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1735 }
1da177e4 1736
1da177e4
LT		 1737 /*
1738 * Need enough time to try and get the port back.
1739 */
1740 ha->port_down_retry_count = nv->port_down_retry_count;
1741 if (qlport_down_retry)
1742 ha->port_down_retry_count = qlport_down_retry;
1743 /* Set login_retry_count */
1744 ha->login_retry_count = nv->retry_count;
1745 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1746 ha->port_down_retry_count > 3)
1747 ha->login_retry_count = ha->port_down_retry_count;
1748 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1749 ha->login_retry_count = ha->port_down_retry_count;
1750 if (ql2xloginretrycount)
1751 ha->login_retry_count = ql2xloginretrycount;
1752
1da177e4
LT		 1753 icb->lun_enables = __constant_cpu_to_le16(0);
1754 icb->command_resource_count = 0;
1755 icb->immediate_notify_resource_count = 0;
1756 icb->timeout = __constant_cpu_to_le16(0);
1757
1758 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1759 /* Enable RIO */
1760 icb->firmware_options[0] &= ~BIT_3;
1761 icb->add_firmware_options[0] &=
1762 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1763 icb->add_firmware_options[0] |= BIT_2;
1764 icb->response_accumulation_timer = 3;
1765 icb->interrupt_delay_timer = 5;
1766
1767 ha->flags.process_response_queue = 1;
1768 } else {
4fdfefe5
AV		 1769 /* Enable ZIO. */
1770 if (!ha->flags.init_done) {
1771 ha->zio_mode = icb->add_firmware_options[0] &
1772 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1773 ha->zio_timer = icb->interrupt_delay_timer ?
1774 icb->interrupt_delay_timer: 2;
1775 }
1da177e4
LT		 1776 icb->add_firmware_options[0] &=
1777 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1778 ha->flags.process_response_queue = 0;
1779 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1780 ha->zio_mode = QLA_ZIO_MODE_6;
1781
4fdfefe5
AV		 1782 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1783 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1784 ha->zio_timer * 100));
1da177e4 1785 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1786 "ZIO mode %d enabled; timer delay (%d us).\n",
1787 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1788
4fdfefe5
AV		 1789 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1790 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1791 ha->flags.process_response_queue = 1;
1792 }
1793 }
1794
4e08df3f
DM		 1795 if (rval) {
1796 DEBUG2_3(printk(KERN_WARNING
1797 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1798 }
1799 return (rval);
1da177e4
LT		 1800}
1801
19a7b4ae
JSEC		 1802static void
1803qla2x00_rport_del(void *data)
1804{
1805 fc_port_t *fcport = data;
d97994dc
AV		 1806 struct fc_rport *rport;
1807 unsigned long flags;
1808
1809 spin_lock_irqsave(&fcport->rport_lock, flags);
1810 rport = fcport->drport;
1811 fcport->drport = NULL;
1812 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1813 if (rport)
1814 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1815}
1816
1da177e4
LT		 1817/**
1818 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1819 * @ha: HA context
1820 * @flags: allocation flags
1821 *
1822 * Returns a pointer to the allocated fcport, or NULL, if none available.
1823 */
413975a0 1824static fc_port_t *
c53033f6 1825qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1826{
1827 fc_port_t *fcport;
1828
bbfbbbc1
MK		 1829 fcport = kzalloc(sizeof(fc_port_t), flags);
1830 if (!fcport)
1831 return NULL;
1da177e4
LT		 1832
1833 /* Setup fcport template structure. */
1da177e4 1834 fcport->ha = ha;
2c3dfe3f 1835 fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 1836 fcport->port_type = FCT_UNKNOWN;
1837 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1838 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1839 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1840 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1841 spin_lock_init(&fcport->rport_lock);
1da177e4 1842
bbfbbbc1 1843 return fcport;
1da177e4
LT		 1844}
1845
1846/*
1847 * qla2x00_configure_loop
1848 * Updates Fibre Channel Device Database with what is actually on loop.
1849 *
1850 * Input:
1851 * ha = adapter block pointer.
1852 *
1853 * Returns:
1854 * 0 = success.
1855 * 1 = error.
1856 * 2 = database was full and device was not configured.
1857 */
1858static int
fa2a1ce5 1859qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1860{
1861 int rval;
1862 unsigned long flags, save_flags;
1863
1864 rval = QLA_SUCCESS;
1865
1866 /* Get Initiator ID */
1867 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1868 rval = qla2x00_configure_hba(ha);
1869 if (rval != QLA_SUCCESS) {
1870 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1871 ha->host_no));
1872 return (rval);
1873 }
1874 }
1875
1876 save_flags = flags = ha->dpc_flags;
1877 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1878 ha->host_no, flags));
1879
1880 /*
1881 * If we have both an RSCN and PORT UPDATE pending then handle them
1882 * both at the same time.
1883 */
1884 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1885 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1886
1887 /* Determine what we need to do */
1888 if (ha->current_topology == ISP_CFG_FL &&
1889 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1890
1891 ha->flags.rscn_queue_overflow = 1;
1892 set_bit(RSCN_UPDATE, &flags);
1893
1894 } else if (ha->current_topology == ISP_CFG_F &&
1895 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1896
1897 ha->flags.rscn_queue_overflow = 1;
1898 set_bit(RSCN_UPDATE, &flags);
1899 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1900
1901 } else if (ha->current_topology == ISP_CFG_N) {
1902 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1903
1904 } else if (!ha->flags.online ||
1905 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1906
1907 ha->flags.rscn_queue_overflow = 1;
1908 set_bit(RSCN_UPDATE, &flags);
1909 set_bit(LOCAL_LOOP_UPDATE, &flags);
1910 }
1911
1912 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1913 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1914 rval = QLA_FUNCTION_FAILED;
1915 } else {
1916 rval = qla2x00_configure_local_loop(ha);
1917 }
1918 }
1919
1920 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1921 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1922 rval = QLA_FUNCTION_FAILED;
1923 } else {
1924 rval = qla2x00_configure_fabric(ha);
1925 }
1926 }
1927
1928 if (rval == QLA_SUCCESS) {
1929 if (atomic_read(&ha->loop_down_timer) ||
1930 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1931 rval = QLA_FUNCTION_FAILED;
1932 } else {
1da177e4
LT		 1933 atomic_set(&ha->loop_state, LOOP_READY);
1934
1935 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1936 }
1937 }
1938
1939 if (rval) {
1940 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1941 __func__, ha->host_no));
1942 } else {
1943 DEBUG3(printk("%s: exiting normally\n", __func__));
1944 }
1945
1946 /* Restore state if a resync event occured during processing */
1947 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1948 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1949 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1950 if (test_bit(RSCN_UPDATE, &save_flags))
1951 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1952 }
1953
1954 return (rval);
1955}
1956
1957
1958
1959/*
1960 * qla2x00_configure_local_loop
1961 * Updates Fibre Channel Device Database with local loop devices.
1962 *
1963 * Input:
1964 * ha = adapter block pointer.
1965 *
1966 * Returns:
1967 * 0 = success.
1968 */
1969static int
fa2a1ce5 1970qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1971{
1972 int rval, rval2;
1973 int found_devs;
1974 int found;
1975 fc_port_t *fcport, *new_fcport;
1976
1977 uint16_t index;
1978 uint16_t entries;
1979 char *id_iter;
1980 uint16_t loop_id;
1981 uint8_t domain, area, al_pa;
2c3dfe3f 1982 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 1983
1984 found_devs = 0;
1985 new_fcport = NULL;
1986 entries = MAX_FIBRE_DEVICES;
1987
1988 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1989 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1990
1991 /* Get list of logged in devices. */
1992 memset(ha->gid_list, 0, GID_LIST_SIZE);
1993 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1994 &entries);
1995 if (rval != QLA_SUCCESS)
1996 goto cleanup_allocation;
1997
1998 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1999 ha->host_no, entries));
2000 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2001 entries * sizeof(struct gid_list_info)));
2002
2003 /* Allocate temporary fcport for any new fcports discovered. */
2004 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2005 if (new_fcport == NULL) {
2006 rval = QLA_MEMORY_ALLOC_FAILED;
2007 goto cleanup_allocation;
2008 }
2009 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2010
2011 /*
2012 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2013 */
2c3dfe3f
SJ		 2014 list_for_each_entry(fcport, &pha->fcports, list) {
2015 if (fcport->vp_idx != ha->vp_idx)
2016 continue;
2017
1da177e4
LT		 2018 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2019 fcport->port_type != FCT_BROADCAST &&
2020 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2021
2022 DEBUG(printk("scsi(%ld): Marking port lost, "
2023 "loop_id=0x%04x\n",
2024 ha->host_no, fcport->loop_id));
2025
2026 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2027 fcport->flags &= ~FCF_FARP_DONE;
2028 }
2029 }
2030
2031 /* Add devices to port list. */
2032 id_iter = (char *)ha->gid_list;
2033 for (index = 0; index < entries; index++) {
2034 domain = ((struct gid_list_info *)id_iter)->domain;
2035 area = ((struct gid_list_info *)id_iter)->area;
2036 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2037 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2038 loop_id = (uint16_t)
2039 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2040 else
1da177e4
LT		 2041 loop_id = le16_to_cpu(
2042 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2043 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2044
2045 /* Bypass reserved domain fields. */
2046 if ((domain & 0xf0) == 0xf0)
2047 continue;
2048
2049 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 2050 if (area && domain &&
2051 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 2052 continue;
2053
2054 /* Bypass invalid local loop ID. */
2055 if (loop_id > LAST_LOCAL_LOOP_ID)
2056 continue;
2057
2058 /* Fill in member data. */
2059 new_fcport->d_id.b.domain = domain;
2060 new_fcport->d_id.b.area = area;
2061 new_fcport->d_id.b.al_pa = al_pa;
2062 new_fcport->loop_id = loop_id;
2c3dfe3f 2063 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2064 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2065 if (rval2 != QLA_SUCCESS) {
2066 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2067 "information -- get_port_database=%x, "
2068 "loop_id=0x%04x\n",
2069 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 2070 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2071 ha->host_no));
2072 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2073 continue;
2074 }
2075
2076 /* Check for matching device in port list. */
2077 found = 0;
2078 fcport = NULL;
2c3dfe3f
SJ		 2079 list_for_each_entry(fcport, &pha->fcports, list) {
2080 if (fcport->vp_idx != ha->vp_idx)
2081 continue;
2082
1da177e4
LT		 2083 if (memcmp(new_fcport->port_name, fcport->port_name,
2084 WWN_SIZE))
2085 continue;
2086
2087 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2088 FCF_PERSISTENT_BOUND);
2089 fcport->loop_id = new_fcport->loop_id;
2090 fcport->port_type = new_fcport->port_type;
2091 fcport->d_id.b24 = new_fcport->d_id.b24;
2092 memcpy(fcport->node_name, new_fcport->node_name,
2093 WWN_SIZE);
2094
2095 found++;
2096 break;
2097 }
2098
2099 if (!found) {
2100 /* New device, add to fcports list. */
2101 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2c3dfe3f
SJ		 2102 if (ha->parent) {
2103 new_fcport->ha = ha;
2104 new_fcport->vp_idx = ha->vp_idx;
2105 list_add_tail(&new_fcport->vp_fcport,
2106 &ha->vp_fcports);
2107 }
2108 list_add_tail(&new_fcport->list, &pha->fcports);
1da177e4
LT		 2109
2110 /* Allocate a new replacement fcport. */
2111 fcport = new_fcport;
2112 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2113 if (new_fcport == NULL) {
2114 rval = QLA_MEMORY_ALLOC_FAILED;
2115 goto cleanup_allocation;
2116 }
2117 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2118 }
2119
d8b45213 2120 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2121 fcport->fp_speed = ha->link_data_rate;
d8b45213 2122
1da177e4
LT		 2123 qla2x00_update_fcport(ha, fcport);
2124
2125 found_devs++;
2126 }
2127
2128cleanup_allocation:
c9475cb0 2129 kfree(new_fcport);
1da177e4
LT		 2130
2131 if (rval != QLA_SUCCESS) {
2132 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2133 "rval=%x\n", ha->host_no, rval));
2134 }
2135
2136 if (found_devs) {
2137 ha->device_flags |= DFLG_LOCAL_DEVICES;
2138 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2139 }
2140
2141 return (rval);
2142}
2143
2144static void
fa2a1ce5 2145qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2146{
2147 fc_port_t *fcport;
2148
d97994dc 2149 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2150 list_for_each_entry(fcport, &ha->fcports, list) {
2151 if (fcport->port_type != FCT_TARGET)
2152 continue;
2153
fa2a1ce5 2154 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2155 }
2156}
2157
d8b45213
AV		 2158static void
2159qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2160{
2161#define LS_UNKNOWN 2
a3cbdfad 2162 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2163 int rval;
a3cbdfad 2164 uint16_t mb[6];
d8b45213 2165
c76f2c01 2166 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2167 return;
2168
39bd9622
AV		 2169 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2170 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2171 return;
2172
a3cbdfad
AV		 2173 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2174 mb);
d8b45213
AV		 2175 if (rval != QLA_SUCCESS) {
2176 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2177 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2178 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2179 fcport->port_name[2], fcport->port_name[3],
2180 fcport->port_name[4], fcport->port_name[5],
2181 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2182 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2183 } else {
2184 DEBUG2(qla_printk(KERN_INFO, ha,
2185 "iIDMA adjusted to %s GB/s on "
2186 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2187 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2188 fcport->port_name[1], fcport->port_name[2],
2189 fcport->port_name[3], fcport->port_name[4],
2190 fcport->port_name[5], fcport->port_name[6],
2191 fcport->port_name[7]));
2192 }
2193}
2194
23be331d 2195static void
8482e118
AV		 2196qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2197{
2198 struct fc_rport_identifiers rport_ids;
bdf79621 2199 struct fc_rport *rport;
d97994dc 2200 unsigned long flags;
8482e118 2201
d97994dc
AV		 2202 if (fcport->drport)
2203 qla2x00_rport_del(fcport);
2204 if (fcport->rport)
2205 return;
8482e118 2206
f8b02a85
AV		 2207 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2208 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2209 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2210 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2211 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2212 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2213 if (!rport) {
2214 qla_printk(KERN_WARNING, ha,
2215 "Unable to allocate fc remote port!\n");
2216 return;
2217 }
d97994dc
AV		 2218 spin_lock_irqsave(&fcport->rport_lock, flags);
2219 fcport->rport = rport;
19a7b4ae 2220 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc
AV		 2221 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2222
ad3e0eda 2223 rport->supported_classes = fcport->supported_classes;
77d74143 2224
8482e118
AV		 2225 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2226 if (fcport->port_type == FCT_INITIATOR)
2227 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2228 if (fcport->port_type == FCT_TARGET)
2229 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2230 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2231
cc4731f5
AV		 2232 if (rport->scsi_target_id != -1 &&
2233 rport->scsi_target_id < ha->host->max_id)
bdf79621 2234 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2235}
2236
23be331d
AB		 2237/*
2238 * qla2x00_update_fcport
2239 * Updates device on list.
2240 *
2241 * Input:
2242 * ha = adapter block pointer.
2243 * fcport = port structure pointer.
2244 *
2245 * Return:
2246 * 0 - Success
2247 * BIT_0 - error
2248 *
2249 * Context:
2250 * Kernel context.
2251 */
2252void
2253qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2254{
2c3dfe3f
SJ		 2255 scsi_qla_host_t *pha = to_qla_parent(ha);
2256
23be331d
AB		 2257 fcport->ha = ha;
2258 fcport->login_retry = 0;
2c3dfe3f 2259 fcport->port_login_retry_count = pha->port_down_retry_count *
23be331d 2260 PORT_RETRY_TIME;
2c3dfe3f 2261 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
23be331d
AB		 2262 PORT_RETRY_TIME);
2263 fcport->flags &= ~FCF_LOGIN_NEEDED;
2264
2265 qla2x00_iidma_fcport(ha, fcport);
2266
2267 atomic_set(&fcport->state, FCS_ONLINE);
2268
2269 qla2x00_reg_remote_port(ha, fcport);
2270}
2271
1da177e4
LT		 2272/*
2273 * qla2x00_configure_fabric
2274 * Setup SNS devices with loop ID's.
2275 *
2276 * Input:
2277 * ha = adapter block pointer.
2278 *
2279 * Returns:
2280 * 0 = success.
2281 * BIT_0 = error
2282 */
2283static int
2284qla2x00_configure_fabric(scsi_qla_host_t *ha)
2285{
2286 int rval, rval2;
2287 fc_port_t *fcport, *fcptemp;
2288 uint16_t next_loopid;
2289 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2290 uint16_t loop_id;
1da177e4 2291 LIST_HEAD(new_fcports);
2c3dfe3f 2292 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2293
2294 /* If FL port exists, then SNS is present */
e428924c 2295 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2296 loop_id = NPH_F_PORT;
2297 else
2298 loop_id = SNS_FL_PORT;
90991c85 2299 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
1da177e4
LT		 2300 if (rval != QLA_SUCCESS) {
2301 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2302 "Port\n", ha->host_no));
2303
2304 ha->device_flags &= ~SWITCH_FOUND;
2305 return (QLA_SUCCESS);
2306 }
90991c85 2307 ha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2308
2309 /* Mark devices that need re-synchronization. */
2310 rval2 = qla2x00_device_resync(ha);
2311 if (rval2 == QLA_RSCNS_HANDLED) {
2312 /* No point doing the scan, just continue. */
2313 return (QLA_SUCCESS);
2314 }
2315 do {
cca5335c
AV		 2316 /* FDMI support. */
2317 if (ql2xfdmienable &&
2318 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2319 qla2x00_fdmi_register(ha);
2320
1da177e4 2321 /* Ensure we are logged into the SNS. */
e428924c 2322 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2323 loop_id = NPH_SNS;
2324 else
2325 loop_id = SIMPLE_NAME_SERVER;
fd34f556 2326 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2327 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2328 if (mb[0] != MBS_COMMAND_COMPLETE) {
2329 DEBUG2(qla_printk(KERN_INFO, ha,
2330 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2331 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2332 mb[0], mb[1], mb[2], mb[6], mb[7]));
2333 return (QLA_SUCCESS);
2334 }
2335
2336 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2337 if (qla2x00_rft_id(ha)) {
2338 /* EMPTY */
2339 DEBUG2(printk("scsi(%ld): Register FC-4 "
2340 "TYPE failed.\n", ha->host_no));
2341 }
2342 if (qla2x00_rff_id(ha)) {
2343 /* EMPTY */
2344 DEBUG2(printk("scsi(%ld): Register FC-4 "
2345 "Features failed.\n", ha->host_no));
2346 }
2347 if (qla2x00_rnn_id(ha)) {
2348 /* EMPTY */
2349 DEBUG2(printk("scsi(%ld): Register Node Name "
2350 "failed.\n", ha->host_no));
2351 } else if (qla2x00_rsnn_nn(ha)) {
2352 /* EMPTY */
2353 DEBUG2(printk("scsi(%ld): Register Symbolic "
2354 "Node Name failed.\n", ha->host_no));
2355 }
2356 }
2357
2358 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2359 if (rval != QLA_SUCCESS)
2360 break;
2361
2362 /*
2363 * Logout all previous fabric devices marked lost, except
2364 * tape devices.
2365 */
2c3dfe3f
SJ		 2366 list_for_each_entry(fcport, &pha->fcports, list) {
2367 if (fcport->vp_idx !=ha->vp_idx)
2368 continue;
2369
1da177e4
LT		 2370 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2371 break;
2372
2373 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2374 continue;
2375
2376 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2377 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2378 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2379 if (fcport->loop_id != FC_NO_LOOP_ID &&
2380 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2381 fcport->port_type != FCT_INITIATOR &&
2382 fcport->port_type != FCT_BROADCAST) {
fd34f556 2383 ha->isp_ops->fabric_logout(ha,
1c7c6357
AV		 2384 fcport->loop_id,
2385 fcport->d_id.b.domain,
2386 fcport->d_id.b.area,
2387 fcport->d_id.b.al_pa);
1da177e4
LT		 2388 fcport->loop_id = FC_NO_LOOP_ID;
2389 }
2390 }
2391 }
2392
2393 /* Starting free loop ID. */
2c3dfe3f 2394 next_loopid = pha->min_external_loopid;
1da177e4
LT		 2395
2396 /*
2397 * Scan through our port list and login entries that need to be
2398 * logged in.
2399 */
2c3dfe3f
SJ		 2400 list_for_each_entry(fcport, &pha->fcports, list) {
2401 if (fcport->vp_idx != ha->vp_idx)
2402 continue;
2403
1da177e4
LT		 2404 if (atomic_read(&ha->loop_down_timer) ||
2405 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2406 break;
2407
2408 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2409 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2410 continue;
2411
2412 if (fcport->loop_id == FC_NO_LOOP_ID) {
2413 fcport->loop_id = next_loopid;
2414 rval = qla2x00_find_new_loop_id(ha, fcport);
2415 if (rval != QLA_SUCCESS) {
2416 /* Ran out of IDs to use */
2417 break;
2418 }
2419 }
1da177e4
LT		 2420 /* Login and update database */
2421 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2422 }
2423
2424 /* Exit if out of loop IDs. */
2425 if (rval != QLA_SUCCESS) {
2426 break;
2427 }
2428
2429 /*
2430 * Login and add the new devices to our port list.
2431 */
2432 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2433 if (atomic_read(&ha->loop_down_timer) ||
2434 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2435 break;
2436
2437 /* Find a new loop ID to use. */
2438 fcport->loop_id = next_loopid;
2439 rval = qla2x00_find_new_loop_id(ha, fcport);
2440 if (rval != QLA_SUCCESS) {
2441 /* Ran out of IDs to use */
2442 break;
2443 }
2444
bdf79621
AV		 2445 /* Login and update database */
2446 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2c3dfe3f
SJ		 2447
2448 if (ha->parent) {
2449 fcport->ha = ha;
2450 fcport->vp_idx = ha->vp_idx;
2451 list_add_tail(&fcport->vp_fcport,
2452 &ha->vp_fcports);
2453 list_move_tail(&fcport->list,
2454 &ha->parent->fcports);
2455 } else
2456 list_move_tail(&fcport->list, &ha->fcports);
1da177e4
LT		 2457 }
2458 } while (0);
2459
2460 /* Free all new device structures not processed. */
2461 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2462 list_del(&fcport->list);
2463 kfree(fcport);
2464 }
2465
2466 if (rval) {
2467 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2468 "rval=%d\n", ha->host_no, rval));
2469 }
2470
2471 return (rval);
2472}
2473
2474
2475/*
2476 * qla2x00_find_all_fabric_devs
2477 *
2478 * Input:
2479 * ha = adapter block pointer.
2480 * dev = database device entry pointer.
2481 *
2482 * Returns:
2483 * 0 = success.
2484 *
2485 * Context:
2486 * Kernel context.
2487 */
2488static int
2489qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2490{
2491 int rval;
2492 uint16_t loop_id;
2493 fc_port_t *fcport, *new_fcport, *fcptemp;
2494 int found;
2495
2496 sw_info_t *swl;
2497 int swl_idx;
2498 int first_dev, last_dev;
2499 port_id_t wrap, nxt_d_id;
2c3dfe3f
SJ		 2500 int vp_index;
2501 int empty_vp_index;
2502 int found_vp;
2503 scsi_qla_host_t *vha;
2504 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2505
2506 rval = QLA_SUCCESS;
2507
2508 /* Try GID_PT to get device list, else GAN. */
bbfbbbc1
MK		 2509 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2510 if (!swl) {
1da177e4
LT		 2511 /*EMPTY*/
2512 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2513 "on GA_NXT\n", ha->host_no));
2514 } else {
1da177e4
LT		 2515 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2516 kfree(swl);
2517 swl = NULL;
2518 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2519 kfree(swl);
2520 swl = NULL;
2521 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2522 kfree(swl);
2523 swl = NULL;
d8b45213
AV		 2524 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2525 qla2x00_gpsc(ha, swl);
1da177e4
LT		 2526 }
2527 }
2528 swl_idx = 0;
2529
2530 /* Allocate temporary fcport for any new fcports discovered. */
2531 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2532 if (new_fcport == NULL) {
c9475cb0 2533 kfree(swl);
1da177e4
LT		 2534 return (QLA_MEMORY_ALLOC_FAILED);
2535 }
2536 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2c3dfe3f 2537 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2538 /* Set start port ID scan at adapter ID. */
2539 first_dev = 1;
2540 last_dev = 0;
2541
2542 /* Starting free loop ID. */
2c3dfe3f 2543 loop_id = pha->min_external_loopid;
1da177e4 2544 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2545 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2546 continue;
2547
23443b1d 2548 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2549 break;
2550
2551 if (swl != NULL) {
2552 if (last_dev) {
2553 wrap.b24 = new_fcport->d_id.b24;
2554 } else {
2555 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2556 memcpy(new_fcport->node_name,
2557 swl[swl_idx].node_name, WWN_SIZE);
2558 memcpy(new_fcport->port_name,
2559 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2560 memcpy(new_fcport->fabric_port_name,
2561 swl[swl_idx].fabric_port_name, WWN_SIZE);
2562 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2563
2564 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2565 last_dev = 1;
2566 }
2567 swl_idx++;
2568 }
2569 } else {
2570 /* Send GA_NXT to the switch */
2571 rval = qla2x00_ga_nxt(ha, new_fcport);
2572 if (rval != QLA_SUCCESS) {
2573 qla_printk(KERN_WARNING, ha,
2574 "SNS scan failed -- assuming zero-entry "
2575 "result...\n");
2576 list_for_each_entry_safe(fcport, fcptemp,
2577 new_fcports, list) {
2578 list_del(&fcport->list);
2579 kfree(fcport);
2580 }
2581 rval = QLA_SUCCESS;
2582 break;
2583 }
2584 }
2585
2586 /* If wrap on switch device list, exit. */
2587 if (first_dev) {
2588 wrap.b24 = new_fcport->d_id.b24;
2589 first_dev = 0;
2590 } else if (new_fcport->d_id.b24 == wrap.b24) {
2591 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2592 ha->host_no, new_fcport->d_id.b.domain,
2593 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2594 break;
2595 }
2596
2c3dfe3f
SJ		 2597 /* Bypass if same physical adapter. */
2598 if (new_fcport->d_id.b24 == pha->d_id.b24)
1da177e4
LT		 2599 continue;
2600
2c3dfe3f
SJ		 2601 /* Bypass virtual ports of the same host. */
2602 if (pha->num_vhosts) {
eb66dc60 2603 for_each_mapped_vp_idx(pha, vp_index) {
2c3dfe3f
SJ		 2604 empty_vp_index = 1;
2605 found_vp = 0;
2606 list_for_each_entry(vha, &pha->vp_list,
2607 vp_list) {
2608 if (vp_index == vha->vp_idx) {
2609 empty_vp_index = 0;
2610 found_vp = 1;
2611 break;
2612 }
2613 }
2614
2615 if (empty_vp_index)
2616 continue;
2617
2618 if (found_vp &&
2619 new_fcport->d_id.b24 == vha->d_id.b24)
2620 break;
2621 }
eb66dc60
AV		 2622
2623 if (vp_index <= pha->max_npiv_vports)
2c3dfe3f
SJ		 2624 continue;
2625 }
2626
f7d289f6
AV		 2627 /* Bypass if same domain and area of adapter. */
2628 if (((new_fcport->d_id.b24 & 0xffff00) ==
2629 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2630 ISP_CFG_FL)
2631 continue;
2632
1da177e4
LT		 2633 /* Bypass reserved domain fields. */
2634 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2635 continue;
2636
2637 /* Locate matching device in database. */
2638 found = 0;
2c3dfe3f
SJ		 2639 list_for_each_entry(fcport, &pha->fcports, list) {
2640 if (new_fcport->vp_idx != fcport->vp_idx)
2641 continue;
1da177e4
LT		 2642 if (memcmp(new_fcport->port_name, fcport->port_name,
2643 WWN_SIZE))
2644 continue;
2645
2646 found++;
2647
d8b45213
AV		 2648 /* Update port state. */
2649 memcpy(fcport->fabric_port_name,
2650 new_fcport->fabric_port_name, WWN_SIZE);
2651 fcport->fp_speed = new_fcport->fp_speed;
2652
1da177e4
LT		 2653 /*
2654 * If address the same and state FCS_ONLINE, nothing
2655 * changed.
2656 */
2657 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2658 atomic_read(&fcport->state) == FCS_ONLINE) {
2659 break;
2660 }
2661
2662 /*
2663 * If device was not a fabric device before.
2664 */
2665 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2666 fcport->d_id.b24 = new_fcport->d_id.b24;
2667 fcport->loop_id = FC_NO_LOOP_ID;
2668 fcport->flags |= (FCF_FABRIC_DEVICE |
2669 FCF_LOGIN_NEEDED);
2670 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2671 break;
2672 }
2673
2674 /*
2675 * Port ID changed or device was marked to be updated;
2676 * Log it out if still logged in and mark it for
2677 * relogin later.
2678 */
2679 fcport->d_id.b24 = new_fcport->d_id.b24;
2680 fcport->flags |= FCF_LOGIN_NEEDED;
2681 if (fcport->loop_id != FC_NO_LOOP_ID &&
2682 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2683 fcport->port_type != FCT_INITIATOR &&
2684 fcport->port_type != FCT_BROADCAST) {
fd34f556 2685 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2686 fcport->d_id.b.domain, fcport->d_id.b.area,
2687 fcport->d_id.b.al_pa);
1da177e4
LT		 2688 fcport->loop_id = FC_NO_LOOP_ID;
2689 }
2690
2691 break;
2692 }
2693
2694 if (found)
2695 continue;
2696
2697 /* If device was not in our fcports list, then add it. */
2698 list_add_tail(&new_fcport->list, new_fcports);
2699
2700 /* Allocate a new replacement fcport. */
2701 nxt_d_id.b24 = new_fcport->d_id.b24;
2702 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2703 if (new_fcport == NULL) {
c9475cb0 2704 kfree(swl);
1da177e4
LT		 2705 return (QLA_MEMORY_ALLOC_FAILED);
2706 }
2707 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2708 new_fcport->d_id.b24 = nxt_d_id.b24;
2c3dfe3f 2709 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2710 }
2711
c9475cb0
JJ		 2712 kfree(swl);
2713 kfree(new_fcport);
1da177e4
LT		 2714
2715 if (!list_empty(new_fcports))
2716 ha->device_flags |= DFLG_FABRIC_DEVICES;
2717
2718 return (rval);
2719}
2720
2721/*
2722 * qla2x00_find_new_loop_id
2723 * Scan through our port list and find a new usable loop ID.
2724 *
2725 * Input:
2726 * ha: adapter state pointer.
2727 * dev: port structure pointer.
2728 *
2729 * Returns:
2730 * qla2x00 local function return status code.
2731 *
2732 * Context:
2733 * Kernel context.
2734 */
413975a0 2735static int
1da177e4
LT		 2736qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2737{
2738 int rval;
2739 int found;
2740 fc_port_t *fcport;
2741 uint16_t first_loop_id;
2c3dfe3f 2742 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2743
2744 rval = QLA_SUCCESS;
2745
2746 /* Save starting loop ID. */
2747 first_loop_id = dev->loop_id;
2748
2749 for (;;) {
2750 /* Skip loop ID if already used by adapter. */
2751 if (dev->loop_id == ha->loop_id) {
2752 dev->loop_id++;
2753 }
2754
2755 /* Skip reserved loop IDs. */
3d71644c 2756 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2757 dev->loop_id++;
2758 }
2759
2760 /* Reset loop ID if passed the end. */
2761 if (dev->loop_id > ha->last_loop_id) {
2762 /* first loop ID. */
2763 dev->loop_id = ha->min_external_loopid;
2764 }
2765
2766 /* Check for loop ID being already in use. */
2767 found = 0;
2768 fcport = NULL;
2c3dfe3f 2769 list_for_each_entry(fcport, &pha->fcports, list) {
1da177e4
LT		 2770 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2771 /* ID possibly in use */
2772 found++;
2773 break;
2774 }
2775 }
2776
2777 /* If not in use then it is free to use. */
2778 if (!found) {
2779 break;
2780 }
2781
2782 /* ID in use. Try next value. */
2783 dev->loop_id++;
2784
2785 /* If wrap around. No free ID to use. */
2786 if (dev->loop_id == first_loop_id) {
2787 dev->loop_id = FC_NO_LOOP_ID;
2788 rval = QLA_FUNCTION_FAILED;
2789 break;
2790 }
2791 }
2792
2793 return (rval);
2794}
2795
2796/*
2797 * qla2x00_device_resync
2798 * Marks devices in the database that needs resynchronization.
2799 *
2800 * Input:
2801 * ha = adapter block pointer.
2802 *
2803 * Context:
2804 * Kernel context.
2805 */
2806static int
fa2a1ce5 2807qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2808{
2809 int rval;
1da177e4
LT		 2810 uint32_t mask;
2811 fc_port_t *fcport;
2812 uint32_t rscn_entry;
2813 uint8_t rscn_out_iter;
2814 uint8_t format;
2815 port_id_t d_id;
2c3dfe3f 2816 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2817
2818 rval = QLA_RSCNS_HANDLED;
2819
2820 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2821 ha->flags.rscn_queue_overflow) {
2822
2823 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2824 format = MSB(MSW(rscn_entry));
2825 d_id.b.domain = LSB(MSW(rscn_entry));
2826 d_id.b.area = MSB(LSW(rscn_entry));
2827 d_id.b.al_pa = LSB(LSW(rscn_entry));
2828
2829 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2830 "[%02x/%02x%02x%02x].\n",
2831 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2832 d_id.b.area, d_id.b.al_pa));
2833
2834 ha->rscn_out_ptr++;
2835 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2836 ha->rscn_out_ptr = 0;
2837
2838 /* Skip duplicate entries. */
2839 for (rscn_out_iter = ha->rscn_out_ptr;
2840 !ha->flags.rscn_queue_overflow &&
2841 rscn_out_iter != ha->rscn_in_ptr;
2842 rscn_out_iter = (rscn_out_iter ==
2843 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2844
2845 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2846 break;
2847
2848 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2849 "entry found at [%d].\n", ha->host_no,
2850 rscn_out_iter));
2851
2852 ha->rscn_out_ptr = rscn_out_iter;
2853 }
2854
2855 /* Queue overflow, set switch default case. */
2856 if (ha->flags.rscn_queue_overflow) {
2857 DEBUG(printk("scsi(%ld): device_resync: rscn "
2858 "overflow.\n", ha->host_no));
2859
2860 format = 3;
2861 ha->flags.rscn_queue_overflow = 0;
2862 }
2863
2864 switch (format) {
2865 case 0:
1da177e4
LT		 2866 mask = 0xffffff;
2867 break;
2868 case 1:
2869 mask = 0xffff00;
2870 break;
2871 case 2:
2872 mask = 0xff0000;
2873 break;
2874 default:
2875 mask = 0x0;
2876 d_id.b24 = 0;
2877 ha->rscn_out_ptr = ha->rscn_in_ptr;
2878 break;
2879 }
2880
2881 rval = QLA_SUCCESS;
2882
2c3dfe3f
SJ		 2883 list_for_each_entry(fcport, &pha->fcports, list) {
2884 if (fcport->vp_idx != ha->vp_idx)
2885 continue;
2886
1da177e4
LT		 2887 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2888 (fcport->d_id.b24 & mask) != d_id.b24 ||
2889 fcport->port_type == FCT_BROADCAST)
2890 continue;
2891
2892 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2893 if (format != 3 ||
2894 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2895 qla2x00_mark_device_lost(ha, fcport,
2896 0, 0);
1da177e4
LT		 2897 }
2898 }
2899 fcport->flags &= ~FCF_FARP_DONE;
2900 }
2901 }
2902 return (rval);
2903}
2904
2905/*
2906 * qla2x00_fabric_dev_login
2907 * Login fabric target device and update FC port database.
2908 *
2909 * Input:
2910 * ha: adapter state pointer.
2911 * fcport: port structure list pointer.
2912 * next_loopid: contains value of a new loop ID that can be used
2913 * by the next login attempt.
2914 *
2915 * Returns:
2916 * qla2x00 local function return status code.
2917 *
2918 * Context:
2919 * Kernel context.
2920 */
2921static int
2922qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2923 uint16_t *next_loopid)
2924{
2925 int rval;
2926 int retry;
0107109e 2927 uint8_t opts;
1da177e4
LT		 2928
2929 rval = QLA_SUCCESS;
2930 retry = 0;
2931
2932 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2933 if (rval == QLA_SUCCESS) {
0107109e
AV		 2934 /* Send an ADISC to tape devices.*/
2935 opts = 0;
2936 if (fcport->flags & FCF_TAPE_PRESENT)
2937 opts |= BIT_1;
2938 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2939 if (rval != QLA_SUCCESS) {
fd34f556 2940 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2941 fcport->d_id.b.domain, fcport->d_id.b.area,
2942 fcport->d_id.b.al_pa);
d97994dc 2943 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2944 } else {
2945 qla2x00_update_fcport(ha, fcport);
2946 }
2947 }
2948
2949 return (rval);
2950}
2951
2952/*
2953 * qla2x00_fabric_login
2954 * Issue fabric login command.
2955 *
2956 * Input:
2957 * ha = adapter block pointer.
2958 * device = pointer to FC device type structure.
2959 *
2960 * Returns:
2961 * 0 - Login successfully
2962 * 1 - Login failed
2963 * 2 - Initiator device
2964 * 3 - Fatal error
2965 */
2966int
2967qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2968 uint16_t *next_loopid)
2969{
2970 int rval;
2971 int retry;
2972 uint16_t tmp_loopid;
2973 uint16_t mb[MAILBOX_REGISTER_COUNT];
2974
2975 retry = 0;
2976 tmp_loopid = 0;
2977
2978 for (;;) {
2979 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2980 "for port %02x%02x%02x.\n",
2981 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2982 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2983
2984 /* Login fcport on switch. */
fd34f556 2985 ha->isp_ops->fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2986 fcport->d_id.b.domain, fcport->d_id.b.area,
2987 fcport->d_id.b.al_pa, mb, BIT_0);
2988 if (mb[0] == MBS_PORT_ID_USED) {
2989 /*
2990 * Device has another loop ID. The firmware team
0107109e
AV		 2991 * recommends the driver perform an implicit login with
2992 * the specified ID again. The ID we just used is save
2993 * here so we return with an ID that can be tried by
2994 * the next login.
1da177e4
LT		 2995 */
2996 retry++;
2997 tmp_loopid = fcport->loop_id;
2998 fcport->loop_id = mb[1];
2999
3000 DEBUG(printk("Fabric Login: port in use - next "
3001 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3002 fcport->loop_id, fcport->d_id.b.domain,
3003 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3004
3005 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3006 /*
3007 * Login succeeded.
3008 */
3009 if (retry) {
3010 /* A retry occurred before. */
3011 *next_loopid = tmp_loopid;
3012 } else {
3013 /*
3014 * No retry occurred before. Just increment the
3015 * ID value for next login.
3016 */
3017 *next_loopid = (fcport->loop_id + 1);
3018 }
3019
3020 if (mb[1] & BIT_0) {
3021 fcport->port_type = FCT_INITIATOR;
3022 } else {
3023 fcport->port_type = FCT_TARGET;
3024 if (mb[1] & BIT_1) {
3025 fcport->flags |= FCF_TAPE_PRESENT;
3026 }
3027 }
3028
ad3e0eda
AV		 3029 if (mb[10] & BIT_0)
3030 fcport->supported_classes |= FC_COS_CLASS2;
3031 if (mb[10] & BIT_1)
3032 fcport->supported_classes |= FC_COS_CLASS3;
3033
1da177e4
LT		 3034 rval = QLA_SUCCESS;
3035 break;
3036 } else if (mb[0] == MBS_LOOP_ID_USED) {
3037 /*
3038 * Loop ID already used, try next loop ID.
3039 */
3040 fcport->loop_id++;
3041 rval = qla2x00_find_new_loop_id(ha, fcport);
3042 if (rval != QLA_SUCCESS) {
3043 /* Ran out of loop IDs to use */
3044 break;
3045 }
3046 } else if (mb[0] == MBS_COMMAND_ERROR) {
3047 /*
3048 * Firmware possibly timed out during login. If NO
3049 * retries are left to do then the device is declared
3050 * dead.
3051 */
3052 *next_loopid = fcport->loop_id;
fd34f556 3053 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3054 fcport->d_id.b.domain, fcport->d_id.b.area,
3055 fcport->d_id.b.al_pa);
d97994dc 3056 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 3057
3058 rval = 1;
3059 break;
3060 } else {
3061 /*
3062 * unrecoverable / not handled error
3063 */
3064 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 3065 "loop_id=%x jiffies=%lx.\n",
3066 __func__, ha->host_no, mb[0],
1da177e4
LT		 3067 fcport->d_id.b.domain, fcport->d_id.b.area,
3068 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3069
3070 *next_loopid = fcport->loop_id;
fd34f556 3071 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3072 fcport->d_id.b.domain, fcport->d_id.b.area,
3073 fcport->d_id.b.al_pa);
1da177e4 3074 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3075 fcport->login_retry = 0;
1da177e4
LT		 3076
3077 rval = 3;
3078 break;
3079 }
3080 }
3081
3082 return (rval);
3083}
3084
3085/*
3086 * qla2x00_local_device_login
3087 * Issue local device login command.
3088 *
3089 * Input:
3090 * ha = adapter block pointer.
3091 * loop_id = loop id of device to login to.
3092 *
3093 * Returns (Where's the #define!!!!):
3094 * 0 - Login successfully
3095 * 1 - Login failed
3096 * 3 - Fatal error
3097 */
3098int
9a52a57c 3099qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 3100{
3101 int rval;
3102 uint16_t mb[MAILBOX_REGISTER_COUNT];
3103
3104 memset(mb, 0, sizeof(mb));
9a52a57c 3105 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 3106 if (rval == QLA_SUCCESS) {
3107 /* Interrogate mailbox registers for any errors */
3108 if (mb[0] == MBS_COMMAND_ERROR)
3109 rval = 1;
3110 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3111 /* device not in PCB table */
3112 rval = 3;
3113 }
3114
3115 return (rval);
3116}
3117
3118/*
3119 * qla2x00_loop_resync
3120 * Resync with fibre channel devices.
3121 *
3122 * Input:
3123 * ha = adapter block pointer.
3124 *
3125 * Returns:
3126 * 0 = success
3127 */
3128int
fa2a1ce5 3129qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 3130{
3131 int rval;
3132 uint32_t wait_time;
3133
3134 rval = QLA_SUCCESS;
3135
3136 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 3137 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3138 if (ha->flags.online) {
3139 if (!(rval = qla2x00_fw_ready(ha))) {
3140 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3141 wait_time = 256;
3142 do {
1da177e4
LT		 3143 atomic_set(&ha->loop_state, LOOP_UPDATE);
3144
0107109e
AV		 3145 /* Issue a marker after FW becomes ready. */
3146 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3147 ha->marker_needed = 0;
1da177e4
LT		 3148
3149 /* Remap devices on Loop. */
3150 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3151
3152 qla2x00_configure_loop(ha);
3153 wait_time--;
3154 } while (!atomic_read(&ha->loop_down_timer) &&
3155 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3156 wait_time &&
3157 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3158 }
1da177e4
LT		 3159 }
3160
3161 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3162 return (QLA_FUNCTION_FAILED);
3163 }
3164
3165 if (rval) {
3166 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3167 }
3168
3169 return (rval);
3170}
3171
1da177e4
LT		 3172void
3173qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3174{
3175 int rescan_done;
3176 fc_port_t *fcport;
3177
3178 rescan_done = 0;
3179 list_for_each_entry(fcport, &ha->fcports, list) {
3180 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3181 continue;
3182
3183 qla2x00_update_fcport(ha, fcport);
3184 fcport->flags &= ~FCF_RESCAN_NEEDED;
3185
3186 rescan_done = 1;
3187 }
fa2a1ce5 3188 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 3189}
3190
d97994dc
AV		 3191void
3192qla2x00_update_fcports(scsi_qla_host_t *ha)
3193{
3194 fc_port_t *fcport;
3195
3196 /* Go with deferred removal of rport references. */
3197 list_for_each_entry(fcport, &ha->fcports, list)
3198 if (fcport->drport)
3199 qla2x00_rport_del(fcport);
3200}
3201
1da177e4
LT		 3202/*
3203* qla2x00_abort_isp
3204* Resets ISP and aborts all outstanding commands.
3205*
3206* Input:
3207* ha = adapter block pointer.
3208*
3209* Returns:
3210* 0 = success
3211*/
3212int
3213qla2x00_abort_isp(scsi_qla_host_t *ha)
3214{
476e8978 3215 int rval;
1da177e4
LT		 3216 uint8_t status = 0;
3217
3218 if (ha->flags.online) {
3219 ha->flags.online = 0;
3220 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3221
3222 qla_printk(KERN_INFO, ha,
3223 "Performing ISP error recovery - ha= %p.\n", ha);
fd34f556 3224 ha->isp_ops->reset_chip(ha);
1da177e4
LT		 3225
3226 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3227 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3228 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3229 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3230 } else {
3231 if (!atomic_read(&ha->loop_down_timer))
3232 atomic_set(&ha->loop_down_timer,
3233 LOOP_DOWN_TIME);
3234 }
3235
1da177e4 3236 /* Requeue all commands in outstanding command list. */
df4bf0bb 3237 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
1da177e4 3238
fd34f556 3239 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 3240
fd34f556 3241 ha->isp_ops->nvram_config(ha);
1da177e4
LT		 3242
3243 if (!qla2x00_restart_isp(ha)) {
3244 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3245
3246 if (!atomic_read(&ha->loop_down_timer)) {
3247 /*
3248 * Issue marker command only when we are going
3249 * to start the I/O .
3250 */
3251 ha->marker_needed = 1;
3252 }
3253
3254 ha->flags.online = 1;
3255
fd34f556 3256 ha->isp_ops->enable_intrs(ha);
1da177e4 3257
fa2a1ce5 3258 ha->isp_abort_cnt = 0;
1da177e4 3259 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
476e8978
AV		 3260
3261 if (ha->eft) {
0afb467b 3262 memset(ha->eft, 0, EFT_SIZE);
00b6bd25 3263 rval = qla2x00_enable_eft_trace(ha,
476e8978
AV		 3264 ha->eft_dma, EFT_NUM_BUFFERS);
3265 if (rval) {
3266 qla_printk(KERN_WARNING, ha,
3267 "Unable to reinitialize EFT "
3268 "(%d).\n", rval);
3269 }
3270 }
df613b96
AV		 3271
3272 if (ha->fce) {
3273 ha->flags.fce_enabled = 1;
3274 memset(ha->fce, 0,
3275 fce_calc_size(ha->fce_bufs));
3276 rval = qla2x00_enable_fce_trace(ha,
3277 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3278 &ha->fce_bufs);
3279 if (rval) {
3280 qla_printk(KERN_WARNING, ha,
3281 "Unable to reinitialize FCE "
3282 "(%d).\n", rval);
3283 ha->flags.fce_enabled = 0;
3284 }
3285 }
1da177e4
LT		 3286 } else { /* failed the ISP abort */
3287 ha->flags.online = 1;
3288 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3289 if (ha->isp_abort_cnt == 0) {
3290 qla_printk(KERN_WARNING, ha,
3291 "ISP error recovery failed - "
3292 "board disabled\n");
fa2a1ce5 3293 /*
1da177e4
LT		 3294 * The next call disables the board
3295 * completely.
3296 */
fd34f556 3297 ha->isp_ops->reset_adapter(ha);
1da177e4
LT		 3298 ha->flags.online = 0;
3299 clear_bit(ISP_ABORT_RETRY,
3300 &ha->dpc_flags);
3301 status = 0;
3302 } else { /* schedule another ISP abort */
3303 ha->isp_abort_cnt--;
3304 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3305 "retry remaining %d\n",
744f11fd 3306 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3307 status = 1;
3308 }
3309 } else {
3310 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3311 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3312 "- retrying (%d) more times\n",
744f11fd 3313 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3314 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3315 status = 1;
3316 }
3317 }
fa2a1ce5 3318
1da177e4
LT		 3319 }
3320
3321 if (status) {
3322 qla_printk(KERN_INFO, ha,
3323 "qla2x00_abort_isp: **** FAILED ****\n");
3324 } else {
3325 DEBUG(printk(KERN_INFO
3326 "qla2x00_abort_isp(%ld): exiting.\n",
744f11fd 3327 ha->host_no));
1da177e4
LT		 3328 }
3329
3330 return(status);
3331}
3332
3333/*
3334* qla2x00_restart_isp
3335* restarts the ISP after a reset
3336*
3337* Input:
3338* ha = adapter block pointer.
3339*
3340* Returns:
3341* 0 = success
3342*/
3343static int
3344qla2x00_restart_isp(scsi_qla_host_t *ha)
3345{
3346 uint8_t status = 0;
3d71644c 3347 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3348 unsigned long flags = 0;
3349 uint32_t wait_time;
3350
3351 /* If firmware needs to be loaded */
3352 if (qla2x00_isp_firmware(ha)) {
3353 ha->flags.online = 0;
fd34f556 3354 if (!(status = ha->isp_ops->chip_diag(ha))) {
1da177e4
LT		 3355 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3356 status = qla2x00_setup_chip(ha);
3357 goto done;
3358 }
3359
1da177e4
LT		 3360 spin_lock_irqsave(&ha->hardware_lock, flags);
3361
8fef696b
AV		 3362 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3363 !IS_QLA25XX(ha)) {
0107109e
AV		 3364 /*
3365 * Disable SRAM, Instruction RAM and GP RAM
3366 * parity.
3367 */
3368 WRT_REG_WORD(&reg->hccr,
3369 (HCCR_ENABLE_PARITY + 0x0));
3370 RD_REG_WORD(&reg->hccr);
3371 }
1da177e4
LT		 3372
3373 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3374
1da177e4
LT		 3375 status = qla2x00_setup_chip(ha);
3376
3377 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3378
8fef696b
AV		 3379 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
3380 !IS_QLA25XX(ha)) {
0107109e
AV		 3381 /* Enable proper parity */
3382 if (IS_QLA2300(ha))
3383 /* SRAM parity */
3384 WRT_REG_WORD(&reg->hccr,
3385 (HCCR_ENABLE_PARITY + 0x1));
3386 else
3387 /*
3388 * SRAM, Instruction RAM and GP RAM
3389 * parity.
3390 */
3391 WRT_REG_WORD(&reg->hccr,
3392 (HCCR_ENABLE_PARITY + 0x7));
3393 RD_REG_WORD(&reg->hccr);
3394 }
1da177e4
LT		 3395
3396 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3397 }
3398 }
3399
3400 done:
3401 if (!status && !(status = qla2x00_init_rings(ha))) {
3402 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3403 if (!(status = qla2x00_fw_ready(ha))) {
3404 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3405 "status = %d\n", __func__, status));
0107109e
AV		 3406
3407 /* Issue a marker after FW becomes ready. */
3408 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3409
1da177e4
LT		 3410 ha->flags.online = 1;
3411 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3412 wait_time = 256;
3413 do {
3414 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3415 qla2x00_configure_loop(ha);
3416 wait_time--;
3417 } while (!atomic_read(&ha->loop_down_timer) &&
3418 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3419 wait_time &&
3420 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3421 }
3422
3423 /* if no cable then assume it's good */
fa2a1ce5 3424 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3425 status = 0;
3426
3427 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3428 __func__,
744f11fd 3429 status));
1da177e4
LT		 3430 }
3431 return (status);
3432}
3433
3434/*
3435* qla2x00_reset_adapter
3436* Reset adapter.
3437*
3438* Input:
3439* ha = adapter block pointer.
3440*/
abbd8870 3441void
1da177e4
LT		 3442qla2x00_reset_adapter(scsi_qla_host_t *ha)
3443{
3444 unsigned long flags = 0;
3d71644c 3445 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3446
3447 ha->flags.online = 0;
fd34f556 3448 ha->isp_ops->disable_intrs(ha);
1da177e4 3449
1da177e4
LT		 3450 spin_lock_irqsave(&ha->hardware_lock, flags);
3451 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3452 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3453 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3454 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3455 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3456}
0107109e
AV		 3457
3458void
3459qla24xx_reset_adapter(scsi_qla_host_t *ha)
3460{
3461 unsigned long flags = 0;
3462 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3463
3464 ha->flags.online = 0;
fd34f556 3465 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3466
3467 spin_lock_irqsave(&ha->hardware_lock, flags);
3468 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3469 RD_REG_DWORD(&reg->hccr);
3470 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3471 RD_REG_DWORD(&reg->hccr);
3472 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3473}
3474
4e08df3f
DM		 3475/* On sparc systems, obtain port and node WWN from firmware
3476 * properties.
3477 */
3478static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3479{
3480#ifdef CONFIG_SPARC
3481 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3482 struct device_node *dp = pci_device_to_OF_node(pdev);
3483 const u8 *val;
4e08df3f
DM		 3484 int len;
3485
3486 val = of_get_property(dp, "port-wwn", &len);
3487 if (val && len >= WWN_SIZE)
3488 memcpy(nv->port_name, val, WWN_SIZE);
3489
3490 val = of_get_property(dp, "node-wwn", &len);
3491 if (val && len >= WWN_SIZE)
3492 memcpy(nv->node_name, val, WWN_SIZE);
3493#endif
3494}
3495
0107109e
AV		 3496int
3497qla24xx_nvram_config(scsi_qla_host_t *ha)
3498{
4e08df3f 3499 int rval;
0107109e
AV		 3500 struct init_cb_24xx *icb;
3501 struct nvram_24xx *nv;
3502 uint32_t *dptr;
3503 uint8_t *dptr1, *dptr2;
3504 uint32_t chksum;
3505 uint16_t cnt;
3506
4e08df3f 3507 rval = QLA_SUCCESS;
0107109e 3508 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3509 nv = ha->nvram;
0107109e
AV		 3510
3511 /* Determine NVRAM starting address. */
3512 ha->nvram_size = sizeof(struct nvram_24xx);
3513 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3514 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3515 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3516 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3517 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3518 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3519 }
0107109e 3520
281afe19
SJ		 3521 /* Get VPD data into cache */
3522 ha->vpd = ha->nvram + VPD_OFFSET;
3523 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3524 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3525
3526 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3527 dptr = (uint32_t *)nv;
fd34f556 3528 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3529 ha->nvram_size);
3530 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3531 chksum += le32_to_cpu(*dptr++);
3532
3533 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 3534 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3535
3536 /* Bad NVRAM data, set defaults parameters. */
3537 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3538 || nv->id[3] != ' ' ||
3539 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3540 /* Reset NVRAM data. */
3541 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3542 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3543 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3544 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3545 "invalid -- WWPN) defaults.\n");
3546
3547 /*
3548 * Set default initialization control block.
3549 */
3550 memset(nv, 0, ha->nvram_size);
3551 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3552 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3553 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3554 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3555 nv->exchange_count = __constant_cpu_to_le16(0);
3556 nv->hard_address = __constant_cpu_to_le16(124);
3557 nv->port_name[0] = 0x21;
3558 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3559 nv->port_name[2] = 0x00;
3560 nv->port_name[3] = 0xe0;
3561 nv->port_name[4] = 0x8b;
3562 nv->port_name[5] = 0x1c;
3563 nv->port_name[6] = 0x55;
3564 nv->port_name[7] = 0x86;
3565 nv->node_name[0] = 0x20;
3566 nv->node_name[1] = 0x00;
3567 nv->node_name[2] = 0x00;
3568 nv->node_name[3] = 0xe0;
3569 nv->node_name[4] = 0x8b;
3570 nv->node_name[5] = 0x1c;
3571 nv->node_name[6] = 0x55;
3572 nv->node_name[7] = 0x86;
3573 qla24xx_nvram_wwn_from_ofw(ha, nv);
3574 nv->login_retry_count = __constant_cpu_to_le16(8);
3575 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3576 nv->login_timeout = __constant_cpu_to_le16(0);
3577 nv->firmware_options_1 =
3578 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3579 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3580 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3581 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3582 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3583 nv->efi_parameters = __constant_cpu_to_le32(0);
3584 nv->reset_delay = 5;
3585 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3586 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3587 nv->link_down_timeout = __constant_cpu_to_le16(30);
3588
3589 rval = 1;
0107109e
AV		 3590 }
3591
3592 /* Reset Initialization control block */
3593 memset(icb, 0, sizeof(struct init_cb_24xx));
3594
3595 /* Copy 1st segment. */
3596 dptr1 = (uint8_t *)icb;
3597 dptr2 = (uint8_t *)&nv->version;
3598 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3599 while (cnt--)
3600 *dptr1++ = *dptr2++;
3601
3602 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3603 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3604
3605 /* Copy 2nd segment. */
3606 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3607 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3608 cnt = (uint8_t *)&icb->reserved_3 -
3609 (uint8_t *)&icb->interrupt_delay_timer;
3610 while (cnt--)
3611 *dptr1++ = *dptr2++;
3612
3613 /*
3614 * Setup driver NVRAM options.
3615 */
9bb9fcf2
AV		 3616 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3617 "QLA2462");
0107109e 3618
5341e868
AV		 3619 /* Use alternate WWN? */
3620 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3621 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3622 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3623 }
3624
0107109e 3625 /* Prepare nodename */
fd0e7e4d 3626 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3627 /*
3628 * Firmware will apply the following mask if the nodename was
3629 * not provided.
3630 */
3631 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3632 icb->node_name[0] &= 0xF0;
3633 }
3634
3635 /* Set host adapter parameters. */
3636 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3637 ha->flags.enable_lip_reset = 0;
3638 ha->flags.enable_lip_full_login =
3639 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3640 ha->flags.enable_target_reset =
3641 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3642 ha->flags.enable_led_scheme = 0;
d4c760c2 3643 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3644
fd0e7e4d
AV		 3645 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3646 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3647
3648 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3649 sizeof(ha->fw_seriallink_options24));
3650
3651 /* save HBA serial number */
3652 ha->serial0 = icb->port_name[5];
3653 ha->serial1 = icb->port_name[6];
3654 ha->serial2 = icb->port_name[7];
3655 ha->node_name = icb->node_name;
3656 ha->port_name = icb->port_name;
3657
bc8fb3cb
AV		 3658 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3659
0107109e
AV		 3660 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3661
3662 /* Set minimum login_timeout to 4 seconds. */
3663 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3664 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3665 if (le16_to_cpu(nv->login_timeout) < 4)
3666 nv->login_timeout = __constant_cpu_to_le16(4);
3667 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3668 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3669
3670 /* Set minimum RATOV to 200 tenths of a second. */
3671 ha->r_a_tov = 200;
3672
3673 ha->loop_reset_delay = nv->reset_delay;
3674
3675 /* Link Down Timeout = 0:
3676 *
3677 * When Port Down timer expires we will start returning
3678 * I/O's to OS with "DID_NO_CONNECT".
3679 *
3680 * Link Down Timeout != 0:
3681 *
3682 * The driver waits for the link to come up after link down
3683 * before returning I/Os to OS with "DID_NO_CONNECT".
3684 */
3685 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3686 ha->loop_down_abort_time =
3687 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3688 } else {
3689 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3690 ha->loop_down_abort_time =
3691 (LOOP_DOWN_TIME - ha->link_down_timeout);
3692 }
3693
3694 /* Need enough time to try and get the port back. */
3695 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3696 if (qlport_down_retry)
3697 ha->port_down_retry_count = qlport_down_retry;
3698
3699 /* Set login_retry_count */
3700 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3701 if (ha->port_down_retry_count ==
3702 le16_to_cpu(nv->port_down_retry_count) &&
3703 ha->port_down_retry_count > 3)
3704 ha->login_retry_count = ha->port_down_retry_count;
3705 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3706 ha->login_retry_count = ha->port_down_retry_count;
3707 if (ql2xloginretrycount)
3708 ha->login_retry_count = ql2xloginretrycount;
3709
4fdfefe5
AV		 3710 /* Enable ZIO. */
3711 if (!ha->flags.init_done) {
3712 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3713 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3714 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3715 le16_to_cpu(icb->interrupt_delay_timer): 2;
3716 }
3717 icb->firmware_options_2 &= __constant_cpu_to_le32(
3718 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3719 ha->flags.process_response_queue = 0;
3720 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3721 ha->zio_mode = QLA_ZIO_MODE_6;
3722
4fdfefe5
AV		 3723 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3724 "(%d us).\n", ha->host_no, ha->zio_mode,
3725 ha->zio_timer * 100));
3726 qla_printk(KERN_INFO, ha,
3727 "ZIO mode %d enabled; timer delay (%d us).\n",
3728 ha->zio_mode, ha->zio_timer * 100);
3729
3730 icb->firmware_options_2 |= cpu_to_le32(
3731 (uint32_t)ha->zio_mode);
3732 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3733 ha->flags.process_response_queue = 1;
3734 }
3735
4e08df3f
DM		 3736 if (rval) {
3737 DEBUG2_3(printk(KERN_WARNING
3738 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3739 }
3740 return (rval);
0107109e
AV		 3741}
3742
413975a0 3743static int
d1c61909
AV		 3744qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3745{
3746 int rval;
3747 int segments, fragment;
3748 uint32_t faddr;
3749 uint32_t *dcode, dlen;
3750 uint32_t risc_addr;
3751 uint32_t risc_size;
3752 uint32_t i;
3753
3754 rval = QLA_SUCCESS;
3755
3756 segments = FA_RISC_CODE_SEGMENTS;
3757 faddr = FA_RISC_CODE_ADDR;
3758 dcode = (uint32_t *)ha->request_ring;
3759 *srisc_addr = 0;
3760
3761 /* Validate firmware image by checking version. */
3762 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3763 for (i = 0; i < 4; i++)
3764 dcode[i] = be32_to_cpu(dcode[i]);
3765 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3766 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3767 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3768 dcode[3] == 0)) {
3769 qla_printk(KERN_WARNING, ha,
3770 "Unable to verify integrity of flash firmware image!\n");
3771 qla_printk(KERN_WARNING, ha,
3772 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3773 dcode[1], dcode[2], dcode[3]);
3774
3775 return QLA_FUNCTION_FAILED;
3776 }
3777
3778 while (segments && rval == QLA_SUCCESS) {
3779 /* Read segment's load information. */
3780 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3781
3782 risc_addr = be32_to_cpu(dcode[2]);
3783 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3784 risc_size = be32_to_cpu(dcode[3]);
3785
3786 fragment = 0;
3787 while (risc_size > 0 && rval == QLA_SUCCESS) {
3788 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3789 if (dlen > risc_size)
3790 dlen = risc_size;
3791
3792 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3793 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3794 ha->host_no, risc_addr, dlen, faddr));
3795
3796 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3797 for (i = 0; i < dlen; i++)
3798 dcode[i] = swab32(dcode[i]);
3799
3800 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3801 dlen);
3802 if (rval) {
3803 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3804 "segment %d of firmware\n", ha->host_no,
3805 fragment));
3806 qla_printk(KERN_WARNING, ha,
3807 "[ERROR] Failed to load segment %d of "
3808 "firmware\n", fragment);
3809 break;
3810 }
3811
3812 faddr += dlen;
3813 risc_addr += dlen;
3814 risc_size -= dlen;
3815 fragment++;
3816 }
3817
3818 /* Next segment. */
3819 segments--;
3820 }
3821
3822 return rval;
3823}
3824
d1c61909
AV		 3825#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3826
0107109e 3827int
5433383e
AV		 3828qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3829{
3830 int rval;
3831 int i, fragment;
3832 uint16_t *wcode, *fwcode;
3833 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3834 struct fw_blob *blob;
3835
3836 /* Load firmware blob. */
3837 blob = qla2x00_request_firmware(ha);
3838 if (!blob) {
3839 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3840 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3841 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3842 return QLA_FUNCTION_FAILED;
3843 }
3844
3845 rval = QLA_SUCCESS;
3846
3847 wcode = (uint16_t *)ha->request_ring;
3848 *srisc_addr = 0;
3849 fwcode = (uint16_t *)blob->fw->data;
3850 fwclen = 0;
3851
3852 /* Validate firmware image by checking version. */
3853 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3854 qla_printk(KERN_WARNING, ha,
3855 "Unable to verify integrity of firmware image (%Zd)!\n",
3856 blob->fw->size);
3857 goto fail_fw_integrity;
3858 }
3859 for (i = 0; i < 4; i++)
3860 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3861 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3862 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3863 wcode[2] == 0 && wcode[3] == 0)) {
3864 qla_printk(KERN_WARNING, ha,
3865 "Unable to verify integrity of firmware image!\n");
3866 qla_printk(KERN_WARNING, ha,
3867 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3868 wcode[1], wcode[2], wcode[3]);
3869 goto fail_fw_integrity;
3870 }
3871
3872 seg = blob->segs;
3873 while (*seg && rval == QLA_SUCCESS) {
3874 risc_addr = *seg;
3875 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3876 risc_size = be16_to_cpu(fwcode[3]);
3877
3878 /* Validate firmware image size. */
3879 fwclen += risc_size * sizeof(uint16_t);
3880 if (blob->fw->size < fwclen) {
3881 qla_printk(KERN_WARNING, ha,
3882 "Unable to verify integrity of firmware image "
3883 "(%Zd)!\n", blob->fw->size);
3884 goto fail_fw_integrity;
3885 }
3886
3887 fragment = 0;
3888 while (risc_size > 0 && rval == QLA_SUCCESS) {
3889 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3890 if (wlen > risc_size)
3891 wlen = risc_size;
3892
3893 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3894 "addr %x, number of words 0x%x.\n", ha->host_no,
3895 risc_addr, wlen));
3896
3897 for (i = 0; i < wlen; i++)
3898 wcode[i] = swab16(fwcode[i]);
3899
3900 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3901 wlen);
3902 if (rval) {
3903 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3904 "segment %d of firmware\n", ha->host_no,
3905 fragment));
3906 qla_printk(KERN_WARNING, ha,
3907 "[ERROR] Failed to load segment %d of "
3908 "firmware\n", fragment);
3909 break;
3910 }
3911
3912 fwcode += wlen;
3913 risc_addr += wlen;
3914 risc_size -= wlen;
3915 fragment++;
3916 }
3917
3918 /* Next segment. */
3919 seg++;
3920 }
3921 return rval;
3922
3923fail_fw_integrity:
3924 return QLA_FUNCTION_FAILED;
3925}
3926
3927int
3928qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3929{
3930 int rval;
3931 int segments, fragment;
3932 uint32_t *dcode, dlen;
3933 uint32_t risc_addr;
3934 uint32_t risc_size;
3935 uint32_t i;
5433383e 3936 struct fw_blob *blob;
0107109e
AV		 3937 uint32_t *fwcode, fwclen;
3938
5433383e
AV		 3939 /* Load firmware blob. */
3940 blob = qla2x00_request_firmware(ha);
3941 if (!blob) {
3942 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3943 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3944 "from: " QLA_FW_URL ".\n");
3945
3946 /* Try to load RISC code from flash. */
3947 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3948 "outdated) firmware from flash.\n");
3949 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3950 }
3951
3952 rval = QLA_SUCCESS;
3953
3954 segments = FA_RISC_CODE_SEGMENTS;
3955 dcode = (uint32_t *)ha->request_ring;
3956 *srisc_addr = 0;
5433383e 3957 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3958 fwclen = 0;
3959
3960 /* Validate firmware image by checking version. */
5433383e 3961 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3962 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3963 "Unable to verify integrity of firmware image (%Zd)!\n",
3964 blob->fw->size);
0107109e
AV		 3965 goto fail_fw_integrity;
3966 }
3967 for (i = 0; i < 4; i++)
3968 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3969 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3970 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3971 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3972 dcode[3] == 0)) {
3973 qla_printk(KERN_WARNING, ha,
5433383e 3974 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3975 qla_printk(KERN_WARNING, ha,
3976 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3977 dcode[1], dcode[2], dcode[3]);
3978 goto fail_fw_integrity;
3979 }
3980
3981 while (segments && rval == QLA_SUCCESS) {
3982 risc_addr = be32_to_cpu(fwcode[2]);
3983 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3984 risc_size = be32_to_cpu(fwcode[3]);
3985
3986 /* Validate firmware image size. */
3987 fwclen += risc_size * sizeof(uint32_t);
5433383e 3988 if (blob->fw->size < fwclen) {
0107109e 3989 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3990 "Unable to verify integrity of firmware image "
3991 "(%Zd)!\n", blob->fw->size);
3992
0107109e
AV		 3993 goto fail_fw_integrity;
3994 }
3995
3996 fragment = 0;
3997 while (risc_size > 0 && rval == QLA_SUCCESS) {
3998 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3999 if (dlen > risc_size)
4000 dlen = risc_size;
4001
4002 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4003 "addr %x, number of dwords 0x%x.\n", ha->host_no,
4004 risc_addr, dlen));
4005
4006 for (i = 0; i < dlen; i++)
4007 dcode[i] = swab32(fwcode[i]);
4008
590f98e5
AV		 4009 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
4010 dlen);
0107109e
AV		 4011 if (rval) {
4012 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4013 "segment %d of firmware\n", ha->host_no,
4014 fragment));
4015 qla_printk(KERN_WARNING, ha,
4016 "[ERROR] Failed to load segment %d of "
4017 "firmware\n", fragment);
4018 break;
4019 }
4020
4021 fwcode += dlen;
4022 risc_addr += dlen;
4023 risc_size -= dlen;
4024 fragment++;
4025 }
4026
4027 /* Next segment. */
4028 segments--;
4029 }
0107109e
AV		 4030 return rval;
4031
4032fail_fw_integrity:
0107109e 4033 return QLA_FUNCTION_FAILED;
0107109e 4034}
18c6c127
AV		 4035
4036void
4037qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4038{
4039 int ret, retries;
4040
e428924c 4041 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4042 return;
75edf81d
AV		 4043 if (!ha->fw_major_version)
4044 return;
18c6c127
AV		 4045
4046 ret = qla2x00_stop_firmware(ha);
4047 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4048 qla2x00_reset_chip(ha);
4049 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4050 continue;
4051 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4052 continue;
4053 qla_printk(KERN_INFO, ha,
4054 "Attempting retry of stop-firmware command...\n");
4055 ret = qla2x00_stop_firmware(ha);
4056 }
4057}
2c3dfe3f
SJ		 4058
4059int
4060qla24xx_configure_vhba(scsi_qla_host_t *ha)
4061{
4062 int rval = QLA_SUCCESS;
4063 uint16_t mb[MAILBOX_REGISTER_COUNT];
4064
4065 if (!ha->parent)
4066 return -EINVAL;
4067
4068 rval = qla2x00_fw_ready(ha);
4069 if (rval == QLA_SUCCESS) {
4070 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4071 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4072 }
4073
4074 ha->flags.management_server_logged_in = 0;
4075
4076 /* Login to SNS first */
4077 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4078 mb, BIT_1);
4079 if (mb[0] != MBS_COMMAND_COMPLETE) {
4080 DEBUG15(qla_printk(KERN_INFO, ha,
4081 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4082 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4083 mb[0], mb[1], mb[2], mb[6], mb[7]));
4084 return (QLA_FUNCTION_FAILED);
4085 }
4086
4087 atomic_set(&ha->loop_down_timer, 0);
4088 atomic_set(&ha->loop_state, LOOP_UP);
4089 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4090 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4091 rval = qla2x00_loop_resync(ha);
4092
4093 return rval;
4094}
kernel source for telekom puls (alcatel/mediatek)