2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str
[40];
25 * SRB allocation cache
27 static kmem_cache_t
*srb_cachep
;
30 * Ioctl related information.
34 int ql2xlogintimeout
= 20;
35 module_param(ql2xlogintimeout
, int, S_IRUGO
|S_IRUSR
);
36 MODULE_PARM_DESC(ql2xlogintimeout
,
37 "Login timeout value in seconds.");
39 int qlport_down_retry
= 30;
40 module_param(qlport_down_retry
, int, S_IRUGO
|S_IRUSR
);
41 MODULE_PARM_DESC(qlport_down_retry
,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice
;
46 module_param(ql2xplogiabsentdevice
, int, S_IRUGO
|S_IWUSR
);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice
,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount
= 0;
53 module_param(ql2xloginretrycount
, int, S_IRUGO
|S_IRUSR
);
54 MODULE_PARM_DESC(ql2xloginretrycount
,
55 "Specify an alternate value for the NVRAM login retry count.");
57 int ql2xallocfwdump
= 1;
58 module_param(ql2xallocfwdump
, int, S_IRUGO
|S_IRUSR
);
59 MODULE_PARM_DESC(ql2xallocfwdump
,
60 "Option to enable allocation of memory for a firmware dump "
61 "during HBA initialization. Memory allocation requirements "
62 "vary by ISP type. Default is 1 - allocate memory.");
64 int extended_error_logging
;
65 module_param(extended_error_logging
, int, S_IRUGO
|S_IRUSR
);
66 MODULE_PARM_DESC(extended_error_logging
,
67 "Option to enable extended error logging, "
68 "Default is 0 - no logging. 1 - log errors.");
70 static void qla2x00_free_device(scsi_qla_host_t
*);
72 static void qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
);
75 module_param(ql2xfdmienable
, int, S_IRUGO
|S_IRUSR
);
76 MODULE_PARM_DESC(ql2xfdmienable
,
77 "Enables FDMI registratons "
78 "Default is 0 - no FDMI. 1 - perfom FDMI.");
81 * SCSI host template entry points
83 static int qla2xxx_slave_configure(struct scsi_device
* device
);
84 static int qla2xxx_slave_alloc(struct scsi_device
*);
85 static void qla2xxx_slave_destroy(struct scsi_device
*);
86 static int qla2x00_queuecommand(struct scsi_cmnd
*cmd
,
87 void (*fn
)(struct scsi_cmnd
*));
88 static int qla24xx_queuecommand(struct scsi_cmnd
*cmd
,
89 void (*fn
)(struct scsi_cmnd
*));
90 static int qla2xxx_eh_abort(struct scsi_cmnd
*);
91 static int qla2xxx_eh_device_reset(struct scsi_cmnd
*);
92 static int qla2xxx_eh_bus_reset(struct scsi_cmnd
*);
93 static int qla2xxx_eh_host_reset(struct scsi_cmnd
*);
94 static int qla2x00_loop_reset(scsi_qla_host_t
*ha
);
95 static int qla2x00_device_reset(scsi_qla_host_t
*, fc_port_t
*);
97 static int qla2x00_change_queue_depth(struct scsi_device
*, int);
98 static int qla2x00_change_queue_type(struct scsi_device
*, int);
100 static struct scsi_host_template qla2x00_driver_template
= {
101 .module
= THIS_MODULE
,
102 .name
= QLA2XXX_DRIVER_NAME
,
103 .queuecommand
= qla2x00_queuecommand
,
105 .eh_abort_handler
= qla2xxx_eh_abort
,
106 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
107 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
108 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
110 .slave_configure
= qla2xxx_slave_configure
,
112 .slave_alloc
= qla2xxx_slave_alloc
,
113 .slave_destroy
= qla2xxx_slave_destroy
,
114 .change_queue_depth
= qla2x00_change_queue_depth
,
115 .change_queue_type
= qla2x00_change_queue_type
,
118 .use_clustering
= ENABLE_CLUSTERING
,
119 .sg_tablesize
= SG_ALL
,
122 * The RISC allows for each command to transfer (2^32-1) bytes of data,
123 * which equates to 0x800000 sectors.
125 .max_sectors
= 0xFFFF,
126 .shost_attrs
= qla2x00_host_attrs
,
129 static struct scsi_host_template qla24xx_driver_template
= {
130 .module
= THIS_MODULE
,
131 .name
= QLA2XXX_DRIVER_NAME
,
132 .queuecommand
= qla24xx_queuecommand
,
134 .eh_abort_handler
= qla2xxx_eh_abort
,
135 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
136 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
137 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
139 .slave_configure
= qla2xxx_slave_configure
,
141 .slave_alloc
= qla2xxx_slave_alloc
,
142 .slave_destroy
= qla2xxx_slave_destroy
,
143 .change_queue_depth
= qla2x00_change_queue_depth
,
144 .change_queue_type
= qla2x00_change_queue_type
,
147 .use_clustering
= ENABLE_CLUSTERING
,
148 .sg_tablesize
= SG_ALL
,
150 .max_sectors
= 0xFFFF,
151 .shost_attrs
= qla2x00_host_attrs
,
154 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
156 /* TODO Convert to inlines
160 #define WATCH_INTERVAL 1 /* number of seconds */
162 static void qla2x00_timer(scsi_qla_host_t
*);
164 static __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
165 void *, unsigned long);
166 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
167 static __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
170 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
172 init_timer(&ha
->timer
);
173 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
174 ha
->timer
.data
= (unsigned long)ha
;
175 ha
->timer
.function
= (void (*)(unsigned long))func
;
176 add_timer(&ha
->timer
);
177 ha
->timer_active
= 1;
181 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
183 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
186 static __inline__
void
187 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
189 del_timer_sync(&ha
->timer
);
190 ha
->timer_active
= 0;
193 static int qla2x00_do_dpc(void *data
);
195 static void qla2x00_rst_aen(scsi_qla_host_t
*);
197 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
198 static void qla2x00_mem_free(scsi_qla_host_t
*ha
);
199 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
200 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
201 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
202 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
204 /* -------------------------------------------------------------------------- */
207 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
209 static char *pci_bus_modes
[] = {
210 "33", "66", "100", "133",
215 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
218 strcat(str
, pci_bus_modes
[pci_bus
]);
220 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
222 strcat(str
, pci_bus_modes
[pci_bus
]);
224 strcat(str
, " MHz)");
230 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
232 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
236 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
239 uint16_t pcie_lstat
, lspeed
, lwidth
;
242 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
243 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
244 lwidth
= (pcie_lstat
&
245 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
247 strcpy(str
, "PCIe (");
249 strcat(str
, "2.5Gb/s ");
251 strcat(str
, "<unknown> ");
252 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
259 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
260 if (pci_bus
== 0 || pci_bus
== 8) {
262 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
266 strcat(str
, "Mode 2");
268 strcat(str
, "Mode 1");
270 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
272 strcat(str
, " MHz)");
278 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
282 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
283 ha
->fw_minor_version
,
284 ha
->fw_subminor_version
);
286 if (ha
->fw_attributes
& BIT_9
) {
291 switch (ha
->fw_attributes
& 0xFF) {
305 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
309 if (ha
->fw_attributes
& 0x100)
316 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
318 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
319 ha
->fw_minor_version
,
320 ha
->fw_subminor_version
);
322 if (ha
->fw_attributes
& BIT_0
)
323 strcat(str
, "[Class 2] ");
324 if (ha
->fw_attributes
& BIT_1
)
325 strcat(str
, "[IP] ");
326 if (ha
->fw_attributes
& BIT_2
)
327 strcat(str
, "[Multi-ID] ");
328 if (ha
->fw_attributes
& BIT_13
)
329 strcat(str
, "[Experimental]");
333 static inline srb_t
*
334 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
335 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
339 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
347 CMD_SP(cmd
) = (void *)sp
;
348 cmd
->scsi_done
= done
;
354 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
356 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
357 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
358 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
362 rval
= fc_remote_port_chkready(rport
);
365 goto qc_fail_command
;
368 /* Close window on fcport/rport state-transitioning. */
369 if (!*(fc_port_t
**)rport
->dd_data
) {
370 cmd
->result
= DID_IMM_RETRY
<< 16;
371 goto qc_fail_command
;
374 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
375 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
376 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
377 cmd
->result
= DID_NO_CONNECT
<< 16;
378 goto qc_fail_command
;
383 spin_unlock_irq(ha
->host
->host_lock
);
385 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
387 goto qc_host_busy_lock
;
389 rval
= qla2x00_start_scsi(sp
);
390 if (rval
!= QLA_SUCCESS
)
391 goto qc_host_busy_free_sp
;
393 spin_lock_irq(ha
->host
->host_lock
);
397 qc_host_busy_free_sp
:
398 qla2x00_sp_free_dma(ha
, sp
);
399 mempool_free(sp
, ha
->srb_mempool
);
402 spin_lock_irq(ha
->host
->host_lock
);
405 return SCSI_MLQUEUE_HOST_BUSY
;
415 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
417 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
418 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
419 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
423 rval
= fc_remote_port_chkready(rport
);
426 goto qc24_fail_command
;
429 /* Close window on fcport/rport state-transitioning. */
430 if (!*(fc_port_t
**)rport
->dd_data
) {
431 cmd
->result
= DID_IMM_RETRY
<< 16;
432 goto qc24_fail_command
;
435 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
436 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
437 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
438 cmd
->result
= DID_NO_CONNECT
<< 16;
439 goto qc24_fail_command
;
444 spin_unlock_irq(ha
->host
->host_lock
);
446 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
448 goto qc24_host_busy_lock
;
450 rval
= qla24xx_start_scsi(sp
);
451 if (rval
!= QLA_SUCCESS
)
452 goto qc24_host_busy_free_sp
;
454 spin_lock_irq(ha
->host
->host_lock
);
458 qc24_host_busy_free_sp
:
459 qla2x00_sp_free_dma(ha
, sp
);
460 mempool_free(sp
, ha
->srb_mempool
);
463 spin_lock_irq(ha
->host
->host_lock
);
466 return SCSI_MLQUEUE_HOST_BUSY
;
476 * qla2x00_eh_wait_on_command
477 * Waits for the command to be returned by the Firmware for some
481 * ha = actual ha whose done queue will contain the command
482 * returned by firmware.
483 * cmd = Scsi Command to wait on.
484 * flag = Abort/Reset(Bus or Device Reset)
491 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
493 #define ABORT_POLLING_PERIOD 1000
494 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
495 unsigned long wait_iter
= ABORT_WAIT_ITER
;
496 int ret
= QLA_SUCCESS
;
498 while (CMD_SP(cmd
)) {
499 msleep(ABORT_POLLING_PERIOD
);
505 ret
= QLA_FUNCTION_FAILED
;
511 * qla2x00_wait_for_hba_online
512 * Wait till the HBA is online after going through
513 * <= MAX_RETRIES_OF_ISP_ABORT or
514 * finally HBA is disabled ie marked offline
517 * ha - pointer to host adapter structure
520 * Does context switching-Release SPIN_LOCK
521 * (if any) before calling this routine.
524 * Success (Adapter is online) : 0
525 * Failed (Adapter is offline/disabled) : 1
528 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
531 unsigned long wait_online
;
533 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
534 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
535 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
536 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
537 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
541 if (ha
->flags
.online
)
542 return_status
= QLA_SUCCESS
;
544 return_status
= QLA_FUNCTION_FAILED
;
546 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
548 return (return_status
);
552 * qla2x00_wait_for_loop_ready
553 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
554 * to be in LOOP_READY state.
556 * ha - pointer to host adapter structure
559 * Does context switching-Release SPIN_LOCK
560 * (if any) before calling this routine.
564 * Success (LOOP_READY) : 0
565 * Failed (LOOP_NOT_READY) : 1
568 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
570 int return_status
= QLA_SUCCESS
;
571 unsigned long loop_timeout
;
573 /* wait for 5 min at the max for loop to be ready */
574 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
576 while ((!atomic_read(&ha
->loop_down_timer
) &&
577 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
578 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
579 if (atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
580 return_status
= QLA_FUNCTION_FAILED
;
584 if (time_after_eq(jiffies
, loop_timeout
)) {
585 return_status
= QLA_FUNCTION_FAILED
;
589 return (return_status
);
592 /**************************************************************************
596 * The abort function will abort the specified command.
599 * cmd = Linux SCSI command packet to be aborted.
602 * Either SUCCESS or FAILED.
605 * Only return FAILED if command not returned by firmware.
606 **************************************************************************/
608 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
610 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
613 unsigned int id
, lun
;
614 unsigned long serial
;
623 id
= cmd
->device
->id
;
624 lun
= cmd
->device
->lun
;
625 serial
= cmd
->serial_number
;
627 /* Check active list for command command. */
628 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
629 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
630 sp
= ha
->outstanding_cmds
[i
];
638 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
639 __func__
, ha
->host_no
, sp
, serial
));
640 DEBUG3(qla2x00_print_scsi_cmd(cmd
));
642 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
643 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
644 DEBUG2(printk("%s(%ld): abort_command "
645 "mbx failed.\n", __func__
, ha
->host_no
));
647 DEBUG3(printk("%s(%ld): abort_command "
648 "mbx success.\n", __func__
, ha
->host_no
));
651 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
655 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
657 /* Wait for the command to be returned. */
659 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
660 qla_printk(KERN_ERR
, ha
,
661 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
662 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
667 qla_printk(KERN_INFO
, ha
,
668 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
669 ha
->host_no
, id
, lun
, wait
, serial
, ret
);
674 /**************************************************************************
675 * qla2x00_eh_wait_for_pending_target_commands
678 * Waits for all the commands to come back from the specified target.
681 * ha - pointer to scsi_qla_host structure.
684 * Either SUCCESS or FAILED.
687 **************************************************************************/
689 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
694 struct scsi_cmnd
*cmd
;
700 * Waiting for all commands for the designated target in the active
703 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
704 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
705 sp
= ha
->outstanding_cmds
[cnt
];
708 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
709 if (cmd
->device
->id
== t
) {
710 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
716 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
723 /**************************************************************************
724 * qla2xxx_eh_device_reset
727 * The device reset function will reset the target and abort any
728 * executing commands.
730 * NOTE: The use of SP is undefined within this context. Do *NOT*
731 * attempt to use this value, even if you determine it is
735 * cmd = Linux SCSI command packet of the command that cause the
739 * SUCCESS/FAILURE (defined as macro in scsi.h).
741 **************************************************************************/
743 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
745 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
746 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
749 unsigned int id
, lun
;
750 unsigned long serial
;
754 id
= cmd
->device
->id
;
755 lun
= cmd
->device
->lun
;
756 serial
= cmd
->serial_number
;
758 sp
= (srb_t
*) CMD_SP(cmd
);
762 qla_printk(KERN_INFO
, ha
,
763 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
765 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
766 goto eh_dev_reset_done
;
768 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
769 if (qla2x00_device_reset(ha
, fcport
) == 0)
772 #if defined(LOGOUT_AFTER_DEVICE_RESET)
773 if (ret
== SUCCESS
) {
774 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
775 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
776 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
781 DEBUG2(printk(KERN_INFO
782 "%s failed: loop not ready\n",__func__
));
786 DEBUG3(printk("%s(%ld): device reset failed\n",
787 __func__
, ha
->host_no
));
788 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
791 goto eh_dev_reset_done
;
794 /* Flush outstanding commands. */
795 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
798 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
799 __func__
, ha
->host_no
));
800 qla_printk(KERN_INFO
, ha
,
801 "%s: failed while waiting for commands\n", __func__
);
803 qla_printk(KERN_INFO
, ha
,
804 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
810 /**************************************************************************
811 * qla2x00_eh_wait_for_pending_commands
814 * Waits for all the commands to come back from the specified host.
817 * ha - pointer to scsi_qla_host structure.
824 **************************************************************************/
826 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
831 struct scsi_cmnd
*cmd
;
837 * Waiting for all commands for the designated target in the active
840 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
841 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
842 sp
= ha
->outstanding_cmds
[cnt
];
845 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
846 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
851 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
858 /**************************************************************************
859 * qla2xxx_eh_bus_reset
862 * The bus reset function will reset the bus and abort any executing
866 * cmd = Linux SCSI command packet of the command that cause the
870 * SUCCESS/FAILURE (defined as macro in scsi.h).
872 **************************************************************************/
874 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
876 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
877 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
880 unsigned int id
, lun
;
881 unsigned long serial
;
885 id
= cmd
->device
->id
;
886 lun
= cmd
->device
->lun
;
887 serial
= cmd
->serial_number
;
889 sp
= (srb_t
*) CMD_SP(cmd
);
893 qla_printk(KERN_INFO
, ha
,
894 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
896 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
897 DEBUG2(printk("%s failed:board disabled\n",__func__
));
898 goto eh_bus_reset_done
;
901 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
902 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
906 goto eh_bus_reset_done
;
908 /* Flush outstanding commands. */
909 if (!qla2x00_eh_wait_for_pending_commands(ha
))
913 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
914 (ret
== FAILED
) ? "failed" : "succeded");
919 /**************************************************************************
920 * qla2xxx_eh_host_reset
923 * The reset function will reset the Adapter.
926 * cmd = Linux SCSI command packet of the command that cause the
930 * Either SUCCESS or FAILED.
933 **************************************************************************/
935 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
937 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
938 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
941 unsigned int id
, lun
;
942 unsigned long serial
;
946 id
= cmd
->device
->id
;
947 lun
= cmd
->device
->lun
;
948 serial
= cmd
->serial_number
;
950 sp
= (srb_t
*) CMD_SP(cmd
);
954 qla_printk(KERN_INFO
, ha
,
955 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
957 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
958 goto eh_host_reset_lock
;
961 * Fixme-may be dpc thread is active and processing
962 * loop_resync,so wait a while for it to
963 * be completed and then issue big hammer.Otherwise
964 * it may cause I/O failure as big hammer marks the
965 * devices as lost kicking of the port_down_timer
966 * while dpc is stuck for the mailbox to complete.
968 qla2x00_wait_for_loop_ready(ha
);
969 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
970 if (qla2x00_abort_isp(ha
)) {
971 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
972 /* failed. schedule dpc to try */
973 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
975 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
976 goto eh_host_reset_lock
;
978 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
980 /* Waiting for our command in done_queue to be returned to OS.*/
981 if (qla2x00_eh_wait_for_pending_commands(ha
))
985 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
986 (ret
== FAILED
) ? "failed" : "succeded");
996 * ha = adapter block pointer.
1002 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
1004 int status
= QLA_SUCCESS
;
1005 struct fc_port
*fcport
;
1007 if (ha
->flags
.enable_lip_reset
) {
1008 status
= qla2x00_lip_reset(ha
);
1011 if (status
== QLA_SUCCESS
&& ha
->flags
.enable_target_reset
) {
1012 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1013 if (fcport
->port_type
!= FCT_TARGET
)
1016 status
= qla2x00_device_reset(ha
, fcport
);
1017 if (status
!= QLA_SUCCESS
)
1022 if (status
== QLA_SUCCESS
&&
1023 ((!ha
->flags
.enable_target_reset
&&
1024 !ha
->flags
.enable_lip_reset
) ||
1025 ha
->flags
.enable_lip_full_login
)) {
1027 status
= qla2x00_full_login_lip(ha
);
1030 /* Issue marker command only when we are going to start the I/O */
1031 ha
->marker_needed
= 1;
1035 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1040 DEBUG3(printk("%s(%ld): exiting normally.\n",
1049 * qla2x00_device_reset
1050 * Issue bus device reset message to the target.
1053 * ha = adapter block pointer.
1055 * TARGET_QUEUE_LOCK must be released.
1056 * ADAPTER_STATE_LOCK must be released.
1062 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1064 /* Abort Target command will clear Reservation */
1065 return ha
->isp_ops
.abort_target(reset_fcport
);
1069 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1071 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1073 if (!rport
|| fc_remote_port_chkready(rport
))
1076 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1082 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1084 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1085 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1087 if (sdev
->tagged_supported
)
1088 scsi_activate_tcq(sdev
, 32);
1090 scsi_deactivate_tcq(sdev
, 32);
1092 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1098 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1100 sdev
->hostdata
= NULL
;
1104 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1106 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1107 return sdev
->queue_depth
;
1111 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1113 if (sdev
->tagged_supported
) {
1114 scsi_set_tag_type(sdev
, tag_type
);
1116 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1118 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1126 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1129 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1130 * supported addressing method.
1133 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1135 /* Assume a 32bit DMA mask. */
1136 ha
->flags
.enable_64bit_addressing
= 0;
1138 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1139 /* Any upper-dword bits set? */
1140 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1141 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1142 /* Ok, a 64bit DMA mask is applicable. */
1143 ha
->flags
.enable_64bit_addressing
= 1;
1144 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1145 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1150 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1151 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1155 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1157 ha
->device_type
= DT_EXTENDED_IDS
;
1158 switch (ha
->pdev
->device
) {
1159 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1160 ha
->device_type
|= DT_ISP2100
;
1161 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1162 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1164 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1165 ha
->device_type
|= DT_ISP2200
;
1166 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1167 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1169 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1170 ha
->device_type
|= DT_ISP2300
;
1171 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1172 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1174 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1175 ha
->device_type
|= DT_ISP2312
;
1176 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1177 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1179 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1180 ha
->device_type
|= DT_ISP2322
;
1181 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1182 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1183 ha
->pdev
->subsystem_device
== 0x0170)
1184 ha
->device_type
|= DT_OEM_001
;
1185 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1187 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1188 ha
->device_type
|= DT_ISP6312
;
1189 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1191 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1192 ha
->device_type
|= DT_ISP6322
;
1193 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1195 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1196 ha
->device_type
|= DT_ISP2422
;
1197 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1198 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1200 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1201 ha
->device_type
|= DT_ISP2432
;
1202 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1203 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1205 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1206 ha
->device_type
|= DT_ISP5422
;
1207 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1209 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1210 ha
->device_type
|= DT_ISP5432
;
1211 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1217 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1219 unsigned long pio
, pio_len
, pio_flags
;
1220 unsigned long mmio
, mmio_len
, mmio_flags
;
1222 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1223 pio
= pci_resource_start(ha
->pdev
, 0);
1224 pio_len
= pci_resource_len(ha
->pdev
, 0);
1225 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1226 if (pio_flags
& IORESOURCE_IO
) {
1227 if (pio_len
< MIN_IOBASE_LEN
) {
1228 qla_printk(KERN_WARNING
, ha
,
1229 "Invalid PCI I/O region size (%s)...\n",
1230 pci_name(ha
->pdev
));
1234 qla_printk(KERN_WARNING
, ha
,
1235 "region #0 not a PIO resource (%s)...\n",
1236 pci_name(ha
->pdev
));
1240 /* Use MMIO operations for all accesses. */
1241 mmio
= pci_resource_start(ha
->pdev
, 1);
1242 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1243 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1245 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1246 qla_printk(KERN_ERR
, ha
,
1247 "region #0 not an MMIO resource (%s), aborting\n",
1248 pci_name(ha
->pdev
));
1249 goto iospace_error_exit
;
1251 if (mmio_len
< MIN_IOBASE_LEN
) {
1252 qla_printk(KERN_ERR
, ha
,
1253 "Invalid PCI mem region size (%s), aborting\n",
1254 pci_name(ha
->pdev
));
1255 goto iospace_error_exit
;
1258 if (pci_request_regions(ha
->pdev
, QLA2XXX_DRIVER_NAME
)) {
1259 qla_printk(KERN_WARNING
, ha
,
1260 "Failed to reserve PIO/MMIO regions (%s)\n",
1261 pci_name(ha
->pdev
));
1263 goto iospace_error_exit
;
1266 ha
->pio_address
= pio
;
1267 ha
->pio_length
= pio_len
;
1268 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1270 qla_printk(KERN_ERR
, ha
,
1271 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1273 goto iospace_error_exit
;
1283 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1285 unsigned long flags
= 0;
1286 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1288 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1289 ha
->interrupts_on
= 1;
1290 /* enable risc and host interrupts */
1291 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1292 RD_REG_WORD(®
->ictrl
);
1293 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1298 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1300 unsigned long flags
= 0;
1301 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1303 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1304 ha
->interrupts_on
= 0;
1305 /* disable risc and host interrupts */
1306 WRT_REG_WORD(®
->ictrl
, 0);
1307 RD_REG_WORD(®
->ictrl
);
1308 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1312 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1314 unsigned long flags
= 0;
1315 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1317 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1318 ha
->interrupts_on
= 1;
1319 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1320 RD_REG_DWORD(®
->ictrl
);
1321 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1325 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1327 unsigned long flags
= 0;
1328 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1330 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1331 ha
->interrupts_on
= 0;
1332 WRT_REG_DWORD(®
->ictrl
, 0);
1333 RD_REG_DWORD(®
->ictrl
);
1334 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1338 * PCI driver interface
1340 static int __devinit
1341 qla2x00_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1344 device_reg_t __iomem
*reg
;
1345 struct Scsi_Host
*host
;
1346 scsi_qla_host_t
*ha
;
1347 unsigned long flags
= 0;
1348 unsigned long wait_switch
= 0;
1352 struct scsi_host_template
*sht
;
1354 if (pci_enable_device(pdev
))
1357 sht
= &qla2x00_driver_template
;
1358 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1359 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
)
1360 sht
= &qla24xx_driver_template
;
1361 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1364 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1365 goto probe_disable_device
;
1368 /* Clear our data area */
1369 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1370 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1374 ha
->host_no
= host
->host_no
;
1375 sprintf(ha
->host_str
, "%s_%ld", QLA2XXX_DRIVER_NAME
, ha
->host_no
);
1377 /* Set ISP-type information. */
1378 qla2x00_set_isp_flags(ha
);
1380 /* Configure PCI I/O space */
1381 ret
= qla2x00_iospace_config(ha
);
1385 qla_printk(KERN_INFO
, ha
,
1386 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1389 spin_lock_init(&ha
->hardware_lock
);
1391 ha
->prev_topology
= 0;
1392 ha
->init_cb_size
= sizeof(init_cb_t
);
1393 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1394 ha
->link_data_rate
= LDR_UNKNOWN
;
1395 ha
->optrom_size
= OPTROM_SIZE_2300
;
1397 /* Assign ISP specific operations. */
1398 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1399 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1400 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1401 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1402 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1403 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1404 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1405 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1406 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1407 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1408 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1409 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1410 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1411 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1412 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1413 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1414 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1415 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1416 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1417 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1418 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1419 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1420 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1421 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1422 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1423 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1424 if (IS_QLA2100(ha
)) {
1425 host
->max_id
= MAX_TARGETS_2100
;
1426 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1427 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1428 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1429 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1430 host
->sg_tablesize
= 32;
1431 ha
->gid_list_info_size
= 4;
1432 } else if (IS_QLA2200(ha
)) {
1433 host
->max_id
= MAX_TARGETS_2200
;
1434 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1435 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1436 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1437 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1438 ha
->gid_list_info_size
= 4;
1439 } else if (IS_QLA23XX(ha
)) {
1440 host
->max_id
= MAX_TARGETS_2200
;
1441 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1442 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1443 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1444 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1445 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1446 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1447 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1448 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1449 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1450 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1451 ha
->gid_list_info_size
= 6;
1452 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1453 ha
->optrom_size
= OPTROM_SIZE_2322
;
1454 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1455 host
->max_id
= MAX_TARGETS_2200
;
1456 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1457 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1458 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1459 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1460 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1461 ha
->mgmt_svr_loop_id
= 10;
1462 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1463 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1464 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1465 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1466 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1467 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1468 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1469 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1470 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1471 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1472 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1473 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1474 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1475 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1476 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1477 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1478 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1479 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1480 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1481 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1482 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1483 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1484 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1485 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1486 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1487 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1488 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1489 ha
->gid_list_info_size
= 8;
1490 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1492 host
->can_queue
= ha
->request_q_length
+ 128;
1494 /* load the F/W, read paramaters, and init the H/W */
1495 ha
->instance
= num_hosts
;
1497 init_MUTEX(&ha
->mbx_cmd_sem
);
1498 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1500 INIT_LIST_HEAD(&ha
->list
);
1501 INIT_LIST_HEAD(&ha
->fcports
);
1504 * These locks are used to prevent more than one CPU
1505 * from modifying the queue at the same time. The
1506 * higher level "host_lock" will reduce most
1507 * contention for these locks.
1509 spin_lock_init(&ha
->mbx_reg_lock
);
1511 qla2x00_config_dma_addressing(ha
);
1512 if (qla2x00_mem_alloc(ha
)) {
1513 qla_printk(KERN_WARNING
, ha
,
1514 "[ERROR] Failed to allocate memory for adapter\n");
1520 if (qla2x00_initialize_adapter(ha
) &&
1521 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1523 qla_printk(KERN_WARNING
, ha
,
1524 "Failed to initialize adapter\n");
1526 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1527 "Adapter flags %x.\n",
1528 ha
->host_no
, ha
->device_flags
));
1535 * Startup the kernel thread for this host adapter
1537 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1538 "%s_dpc", ha
->host_str
);
1539 if (IS_ERR(ha
->dpc_thread
)) {
1540 qla_printk(KERN_WARNING
, ha
,
1541 "Unable to start DPC thread!\n");
1542 ret
= PTR_ERR(ha
->dpc_thread
);
1546 host
->this_id
= 255;
1547 host
->cmd_per_lun
= 3;
1548 host
->unique_id
= ha
->instance
;
1549 host
->max_cmd_len
= MAX_CMDSZ
;
1550 host
->max_channel
= MAX_BUSES
- 1;
1551 host
->max_lun
= MAX_LUNS
;
1552 host
->transportt
= qla2xxx_transport_template
;
1554 ret
= request_irq(pdev
->irq
, ha
->isp_ops
.intr_handler
,
1555 SA_INTERRUPT
|SA_SHIRQ
, QLA2XXX_DRIVER_NAME
, ha
);
1557 qla_printk(KERN_WARNING
, ha
,
1558 "Failed to reserve interrupt %d already in use.\n",
1562 host
->irq
= pdev
->irq
;
1564 /* Initialized the timer */
1565 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1567 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1570 ha
->isp_ops
.disable_intrs(ha
);
1572 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1574 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1575 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1576 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1578 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1579 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1580 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1582 /* Enable proper parity */
1583 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1586 WRT_REG_WORD(®
->isp
.hccr
,
1587 (HCCR_ENABLE_PARITY
+ 0x1));
1589 /* SRAM, Instruction RAM and GP RAM parity */
1590 WRT_REG_WORD(®
->isp
.hccr
,
1591 (HCCR_ENABLE_PARITY
+ 0x7));
1594 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1596 ha
->isp_ops
.enable_intrs(ha
);
1600 * Wait around max loop_reset_delay secs for the devices to come
1601 * on-line. We don't want Linux scanning before we are ready.
1604 for (wait_switch
= jiffies
+ (ha
->loop_reset_delay
* HZ
);
1605 time_before(jiffies
,wait_switch
) &&
1606 !(ha
->device_flags
& (DFLG_NO_CABLE
| DFLG_FABRIC_DEVICES
))
1607 && (ha
->device_flags
& SWITCH_FOUND
) ;) {
1609 qla2x00_check_fabric_devices(ha
);
1614 pci_set_drvdata(pdev
, ha
);
1615 ha
->flags
.init_done
= 1;
1618 ret
= scsi_add_host(host
, &pdev
->dev
);
1622 qla2x00_alloc_sysfs_attr(ha
);
1624 qla2x00_init_host_attr(ha
);
1626 qla_printk(KERN_INFO
, ha
, "\n"
1627 " QLogic Fibre Channel HBA Driver: %s\n"
1629 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1630 qla2x00_version_str
, ha
->model_number
,
1631 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1632 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1633 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1634 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1636 /* Go with fc_rport registration. */
1637 list_for_each_entry(fcport
, &ha
->fcports
, list
)
1638 qla2x00_reg_remote_port(ha
, fcport
);
1643 qla2x00_free_device(ha
);
1645 scsi_host_put(host
);
1647 probe_disable_device
:
1648 pci_disable_device(pdev
);
1654 static void __devexit
1655 qla2x00_remove_one(struct pci_dev
*pdev
)
1657 scsi_qla_host_t
*ha
;
1659 ha
= pci_get_drvdata(pdev
);
1661 qla2x00_free_sysfs_attr(ha
);
1663 fc_remove_host(ha
->host
);
1665 scsi_remove_host(ha
->host
);
1667 qla2x00_free_device(ha
);
1669 scsi_host_put(ha
->host
);
1671 pci_set_drvdata(pdev
, NULL
);
1675 qla2x00_free_device(scsi_qla_host_t
*ha
)
1678 if (ha
->timer_active
)
1679 qla2x00_stop_timer(ha
);
1681 /* Kill the kernel thread for this host */
1682 if (ha
->dpc_thread
) {
1683 struct task_struct
*t
= ha
->dpc_thread
;
1686 * qla2xxx_wake_dpc checks for ->dpc_thread
1687 * so we need to zero it out.
1689 ha
->dpc_thread
= NULL
;
1694 qla2x00_trace_control(ha
, TC_DISABLE
, 0, 0);
1696 /* Stop currently executing firmware. */
1697 qla2x00_stop_firmware(ha
);
1699 /* turn-off interrupts on the card */
1700 if (ha
->interrupts_on
)
1701 ha
->isp_ops
.disable_intrs(ha
);
1703 qla2x00_mem_free(ha
);
1705 ha
->flags
.online
= 0;
1707 /* Detach interrupts */
1709 free_irq(ha
->host
->irq
, ha
);
1711 /* release io space registers */
1713 iounmap(ha
->iobase
);
1714 pci_release_regions(ha
->pdev
);
1716 pci_disable_device(ha
->pdev
);
1720 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1723 unsigned long flags
;
1724 struct fc_rport
*rport
;
1729 rport
= fcport
->rport
;
1731 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1732 fcport
->drport
= rport
;
1733 fcport
->rport
= NULL
;
1734 *(fc_port_t
**)rport
->dd_data
= NULL
;
1735 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1736 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1738 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1739 fcport
->rport
= NULL
;
1740 *(fc_port_t
**)rport
->dd_data
= NULL
;
1741 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1742 fc_remote_port_delete(rport
);
1747 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1749 * Input: ha = adapter block pointer. fcport = port structure pointer.
1755 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1756 int do_login
, int defer
)
1758 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1759 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1762 * We may need to retry the login, so don't change the state of the
1763 * port but do the retries.
1765 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1766 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1771 if (fcport
->login_retry
== 0) {
1772 fcport
->login_retry
= ha
->login_retry_count
;
1773 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1775 DEBUG(printk("scsi(%ld): Port login retry: "
1776 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1777 "id = 0x%04x retry cnt=%d\n",
1779 fcport
->port_name
[0],
1780 fcport
->port_name
[1],
1781 fcport
->port_name
[2],
1782 fcport
->port_name
[3],
1783 fcport
->port_name
[4],
1784 fcport
->port_name
[5],
1785 fcport
->port_name
[6],
1786 fcport
->port_name
[7],
1788 fcport
->login_retry
));
1793 * qla2x00_mark_all_devices_lost
1794 * Updates fcport state when device goes offline.
1797 * ha = adapter block pointer.
1798 * fcport = port structure pointer.
1806 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1810 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1811 if (fcport
->port_type
!= FCT_TARGET
)
1815 * No point in marking the device as lost, if the device is
1818 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1820 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1821 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1822 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1826 qla2xxx_wake_dpc(ha
);
1831 * Allocates adapter memory.
1838 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1846 * This will loop only once if everything goes well, else some
1847 * number of retries will be performed to get around a kernel
1848 * bug where available mem is not allocated until after a
1849 * little delay and a retry.
1851 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1852 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1853 &ha
->request_dma
, GFP_KERNEL
);
1854 if (ha
->request_ring
== NULL
) {
1855 qla_printk(KERN_WARNING
, ha
,
1856 "Memory Allocation failed - request_ring\n");
1858 qla2x00_mem_free(ha
);
1864 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1865 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1866 &ha
->response_dma
, GFP_KERNEL
);
1867 if (ha
->response_ring
== NULL
) {
1868 qla_printk(KERN_WARNING
, ha
,
1869 "Memory Allocation failed - response_ring\n");
1871 qla2x00_mem_free(ha
);
1877 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1878 &ha
->gid_list_dma
, GFP_KERNEL
);
1879 if (ha
->gid_list
== NULL
) {
1880 qla_printk(KERN_WARNING
, ha
,
1881 "Memory Allocation failed - gid_list\n");
1883 qla2x00_mem_free(ha
);
1889 snprintf(name
, sizeof(name
), "%s_%ld", QLA2XXX_DRIVER_NAME
,
1891 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1892 DMA_POOL_SIZE
, 8, 0);
1893 if (ha
->s_dma_pool
== NULL
) {
1894 qla_printk(KERN_WARNING
, ha
,
1895 "Memory Allocation failed - s_dma_pool\n");
1897 qla2x00_mem_free(ha
);
1903 /* get consistent memory allocated for init control block */
1904 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1906 if (ha
->init_cb
== NULL
) {
1907 qla_printk(KERN_WARNING
, ha
,
1908 "Memory Allocation failed - init_cb\n");
1910 qla2x00_mem_free(ha
);
1915 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1917 if (qla2x00_allocate_sp_pool(ha
)) {
1918 qla_printk(KERN_WARNING
, ha
,
1919 "Memory Allocation failed - "
1920 "qla2x00_allocate_sp_pool()\n");
1922 qla2x00_mem_free(ha
);
1928 /* Allocate memory for SNS commands */
1929 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1930 /* Get consistent memory allocated for SNS commands */
1931 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1932 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1934 if (ha
->sns_cmd
== NULL
) {
1936 qla_printk(KERN_WARNING
, ha
,
1937 "Memory Allocation failed - sns_cmd\n");
1939 qla2x00_mem_free(ha
);
1944 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1946 /* Get consistent memory allocated for MS IOCB */
1947 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1949 if (ha
->ms_iocb
== NULL
) {
1951 qla_printk(KERN_WARNING
, ha
,
1952 "Memory Allocation failed - ms_iocb\n");
1954 qla2x00_mem_free(ha
);
1959 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
1962 * Get consistent memory allocated for CT SNS
1965 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
1966 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
1968 if (ha
->ct_sns
== NULL
) {
1970 qla_printk(KERN_WARNING
, ha
,
1971 "Memory Allocation failed - ct_sns\n");
1973 qla2x00_mem_free(ha
);
1978 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
1980 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1982 * Get consistent memory allocated for SFP
1985 ha
->sfp_data
= dma_pool_alloc(ha
->s_dma_pool
,
1986 GFP_KERNEL
, &ha
->sfp_data_dma
);
1987 if (ha
->sfp_data
== NULL
) {
1988 qla_printk(KERN_WARNING
, ha
,
1989 "Memory Allocation failed - "
1992 qla2x00_mem_free(ha
);
1997 memset(ha
->sfp_data
, 0, SFP_BLOCK_SIZE
);
2001 /* Done all allocations without any error. */
2004 } while (retry
-- && status
!= 0);
2008 "%s(): **** FAILED ****\n", __func__
);
2016 * Frees all adapter allocated memory.
2019 * ha = adapter block pointer.
2022 qla2x00_mem_free(scsi_qla_host_t
*ha
)
2024 struct list_head
*fcpl
, *fcptemp
;
2029 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2034 qla2x00_free_sp_pool(ha
);
2038 dma_free_coherent(&ha
->pdev
->dev
,
2039 ntohl(ha
->fw_dump
->eft_size
), ha
->eft
, ha
->eft_dma
);
2044 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2045 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2048 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2049 ha
->ct_sns
, ha
->ct_sns_dma
);
2052 dma_pool_free(ha
->s_dma_pool
, ha
->sfp_data
, ha
->sfp_data_dma
);
2055 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2058 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2061 dma_pool_destroy(ha
->s_dma_pool
);
2064 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2067 if (ha
->response_ring
)
2068 dma_free_coherent(&ha
->pdev
->dev
,
2069 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2070 ha
->response_ring
, ha
->response_dma
);
2072 if (ha
->request_ring
)
2073 dma_free_coherent(&ha
->pdev
->dev
,
2074 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2075 ha
->request_ring
, ha
->request_dma
);
2080 ha
->sns_cmd_dma
= 0;
2084 ha
->ms_iocb_dma
= 0;
2086 ha
->init_cb_dma
= 0;
2088 ha
->s_dma_pool
= NULL
;
2090 ha
->gid_list
= NULL
;
2091 ha
->gid_list_dma
= 0;
2093 ha
->response_ring
= NULL
;
2094 ha
->response_dma
= 0;
2095 ha
->request_ring
= NULL
;
2096 ha
->request_dma
= 0;
2098 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2099 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2102 list_del_init(&fcport
->list
);
2105 INIT_LIST_HEAD(&ha
->fcports
);
2109 ha
->fw_dump_reading
= 0;
2111 vfree(ha
->optrom_buffer
);
2115 * qla2x00_allocate_sp_pool
2116 * This routine is called during initialization to allocate
2117 * memory for local srb_t.
2120 * ha = adapter block pointer.
2126 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2131 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2132 if (ha
->srb_mempool
== NULL
) {
2133 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2134 rval
= QLA_FUNCTION_FAILED
;
2140 * This routine frees all adapter allocated memory.
2144 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2146 if (ha
->srb_mempool
) {
2147 mempool_destroy(ha
->srb_mempool
);
2148 ha
->srb_mempool
= NULL
;
2152 /**************************************************************************
2154 * This kernel thread is a task that is schedule by the interrupt handler
2155 * to perform the background processing for interrupts.
2158 * This task always run in the context of a kernel thread. It
2159 * is kick-off by the driver's detect code and starts up
2160 * up one per adapter. It immediately goes to sleep and waits for
2161 * some fibre event. When either the interrupt handler or
2162 * the timer routine detects a event it will one of the task
2163 * bits then wake us up.
2164 **************************************************************************/
2166 qla2x00_do_dpc(void *data
)
2168 scsi_qla_host_t
*ha
;
2171 uint16_t next_loopid
;
2173 ha
= (scsi_qla_host_t
*)data
;
2175 set_user_nice(current
, -20);
2177 while (!kthread_should_stop()) {
2178 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2180 set_current_state(TASK_INTERRUPTIBLE
);
2182 __set_current_state(TASK_RUNNING
);
2184 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2186 /* Initialization not yet finished. Don't do anything yet. */
2187 if (!ha
->flags
.init_done
)
2190 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2194 if (ha
->flags
.mbox_busy
) {
2199 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2201 DEBUG(printk("scsi(%ld): dpc: sched "
2202 "qla2x00_abort_isp ha = %p\n",
2204 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2207 if (qla2x00_abort_isp(ha
)) {
2208 /* failed. retry later */
2209 set_bit(ISP_ABORT_NEEDED
,
2212 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2214 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2218 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2219 qla2x00_update_fcports(ha
);
2221 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2222 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2224 qla2x00_loop_reset(ha
);
2227 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2228 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2230 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2233 qla2x00_rst_aen(ha
);
2234 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2237 /* Retry each device up to login retry count */
2238 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2239 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2240 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2242 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2246 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2247 if (fcport
->port_type
!= FCT_TARGET
)
2251 * If the port is not ONLINE then try to login
2252 * to it if we haven't run out of retries.
2254 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2255 fcport
->login_retry
) {
2257 fcport
->login_retry
--;
2258 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2261 ha
->isp_ops
.fabric_logout(
2262 ha
, fcport
->loop_id
,
2263 fcport
->d_id
.b
.domain
,
2264 fcport
->d_id
.b
.area
,
2265 fcport
->d_id
.b
.al_pa
);
2266 status
= qla2x00_fabric_login(
2267 ha
, fcport
, &next_loopid
);
2270 qla2x00_local_device_login(
2273 if (status
== QLA_SUCCESS
) {
2274 fcport
->old_loop_id
= fcport
->loop_id
;
2276 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2277 ha
->host_no
, fcport
->loop_id
));
2279 qla2x00_update_fcport(ha
,
2281 } else if (status
== 1) {
2282 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2283 /* retry the login again */
2284 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2286 fcport
->login_retry
, fcport
->loop_id
));
2288 fcport
->login_retry
= 0;
2291 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2294 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2298 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2299 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2301 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2302 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2305 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2307 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2311 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2313 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2316 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2319 qla2x00_loop_resync(ha
);
2321 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2324 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2328 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2330 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2333 qla2x00_rescan_fcports(ha
);
2335 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2340 if (!ha
->interrupts_on
)
2341 ha
->isp_ops
.enable_intrs(ha
);
2343 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2344 ha
->isp_ops
.beacon_blink(ha
);
2347 } /* End of while(1) */
2349 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2352 * Make sure that nobody tries to wake us up again.
2360 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2363 wake_up_process(ha
->dpc_thread
);
2368 * Processes asynchronous reset.
2371 * ha = adapter block pointer.
2374 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2376 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2377 !atomic_read(&ha
->loop_down_timer
) &&
2378 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2380 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2383 * Issue marker command only when we are going to start
2386 ha
->marker_needed
= 1;
2387 } while (!atomic_read(&ha
->loop_down_timer
) &&
2388 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2393 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2395 struct scsi_cmnd
*cmd
= sp
->cmd
;
2397 if (sp
->flags
& SRB_DMA_VALID
) {
2399 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2400 cmd
->use_sg
, cmd
->sc_data_direction
);
2401 } else if (cmd
->request_bufflen
) {
2402 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2403 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2405 sp
->flags
&= ~SRB_DMA_VALID
;
2411 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2413 struct scsi_cmnd
*cmd
= sp
->cmd
;
2415 qla2x00_sp_free_dma(ha
, sp
);
2417 mempool_free(sp
, ha
->srb_mempool
);
2419 cmd
->scsi_done(cmd
);
2422 /**************************************************************************
2428 * Context: Interrupt
2429 ***************************************************************************/
2431 qla2x00_timer(scsi_qla_host_t
*ha
)
2433 unsigned long cpu_flags
= 0;
2441 * Ports - Port down timer.
2443 * Whenever, a port is in the LOST state we start decrementing its port
2444 * down timer every second until it reaches zero. Once it reaches zero
2445 * the port it marked DEAD.
2448 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2449 if (fcport
->port_type
!= FCT_TARGET
)
2452 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2454 if (atomic_read(&fcport
->port_down_timer
) == 0)
2457 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2458 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2460 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2463 t
, atomic_read(&fcport
->port_down_timer
)));
2466 } /* End of for fcport */
2469 /* Loop down handler. */
2470 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2471 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2473 if (atomic_read(&ha
->loop_down_timer
) ==
2474 ha
->loop_down_abort_time
) {
2476 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2477 "queues before time expire\n",
2480 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2481 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2483 /* Schedule an ISP abort to return any tape commands. */
2484 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2485 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2489 sp
= ha
->outstanding_cmds
[index
];
2493 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2496 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2499 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2501 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2505 /* if the loop has been down for 4 minutes, reinit adapter */
2506 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2507 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2508 "restarting queues.\n",
2511 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2514 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2515 DEBUG(printk("scsi(%ld): Loop down - "
2518 qla_printk(KERN_WARNING
, ha
,
2519 "Loop down - aborting ISP.\n");
2521 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2524 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2526 atomic_read(&ha
->loop_down_timer
)));
2529 /* Check if beacon LED needs to be blinked */
2530 if (ha
->beacon_blink_led
== 1) {
2531 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2535 /* Schedule the DPC routine if needed */
2536 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2537 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2538 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2539 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2541 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2542 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2543 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2544 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2545 qla2xxx_wake_dpc(ha
);
2547 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2550 /* XXX(hch): crude hack to emulate a down_timeout() */
2552 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2554 const unsigned int step
= 100; /* msecs */
2555 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2558 if (!down_trylock(sema
))
2560 if (msleep_interruptible(step
))
2562 } while (--iterations
>= 0);
2567 /* Firmware interface routines. */
2570 #define FW_ISP21XX 0
2571 #define FW_ISP22XX 1
2572 #define FW_ISP2300 2
2573 #define FW_ISP2322 3
2574 #define FW_ISP24XX 4
2576 static DECLARE_MUTEX(qla_fw_lock
);
2578 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2579 { .name
= "ql2100_fw.bin", .segs
= { 0x1000, 0 }, },
2580 { .name
= "ql2200_fw.bin", .segs
= { 0x1000, 0 }, },
2581 { .name
= "ql2300_fw.bin", .segs
= { 0x800, 0 }, },
2582 { .name
= "ql2322_fw.bin", .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2583 { .name
= "ql2400_fw.bin", },
2587 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2589 struct fw_blob
*blob
;
2592 if (IS_QLA2100(ha
)) {
2593 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2594 } else if (IS_QLA2200(ha
)) {
2595 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2596 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2597 blob
= &qla_fw_blobs
[FW_ISP2300
];
2598 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2599 blob
= &qla_fw_blobs
[FW_ISP2322
];
2600 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2601 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2608 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2609 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2610 "(%s).\n", ha
->host_no
, blob
->name
));
2622 qla2x00_release_firmware(void)
2627 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2628 if (qla_fw_blobs
[idx
].fw
)
2629 release_firmware(qla_fw_blobs
[idx
].fw
);
2633 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2634 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
) },
2635 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
) },
2636 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
) },
2637 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
) },
2638 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
) },
2639 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
) },
2640 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
) },
2641 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
) },
2642 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
) },
2643 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
) },
2644 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
) },
2647 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2649 static struct pci_driver qla2xxx_pci_driver
= {
2650 .name
= QLA2XXX_DRIVER_NAME
,
2652 .owner
= THIS_MODULE
,
2654 .id_table
= qla2xxx_pci_tbl
,
2655 .probe
= qla2x00_probe_one
,
2656 .remove
= __devexit_p(qla2x00_remove_one
),
2660 * qla2x00_module_init - Module initialization.
2663 qla2x00_module_init(void)
2667 /* Allocate cache for SRBs. */
2668 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2669 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2670 if (srb_cachep
== NULL
) {
2672 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2676 /* Derive version string. */
2677 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2678 if (extended_error_logging
)
2679 strcat(qla2x00_version_str
, "-debug");
2681 qla2xxx_transport_template
=
2682 fc_attach_transport(&qla2xxx_transport_functions
);
2683 if (!qla2xxx_transport_template
)
2686 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2687 ret
= pci_register_driver(&qla2xxx_pci_driver
);
2689 kmem_cache_destroy(srb_cachep
);
2690 fc_release_transport(qla2xxx_transport_template
);
2696 * qla2x00_module_exit - Module cleanup.
2699 qla2x00_module_exit(void)
2701 pci_unregister_driver(&qla2xxx_pci_driver
);
2702 qla2x00_release_firmware();
2703 kmem_cache_destroy(srb_cachep
);
2704 fc_release_transport(qla2xxx_transport_template
);
2707 module_init(qla2x00_module_init
);
2708 module_exit(qla2x00_module_exit
);
2710 MODULE_AUTHOR("QLogic Corporation");
2711 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2712 MODULE_LICENSE("GPL");
2713 MODULE_VERSION(QLA2XXX_VERSION
);