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 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
59 module_param(ql2xfwloadflash
, int, S_IRUGO
|S_IRUSR
);
60 MODULE_PARM_DESC(ql2xfwloadflash
,
61 "Load ISP24xx firmware image from FLASH (onboard memory).");
64 static void qla2x00_free_device(scsi_qla_host_t
*);
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
);
69 module_param(ql2xfdmienable
, int, S_IRUGO
|S_IRUSR
);
70 MODULE_PARM_DESC(ql2xfdmienable
,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75 * SCSI host template entry points
77 static int qla2xxx_slave_configure(struct scsi_device
* device
);
78 static int qla2xxx_slave_alloc(struct scsi_device
*);
79 static void qla2xxx_slave_destroy(struct scsi_device
*);
80 static int qla2x00_queuecommand(struct scsi_cmnd
*cmd
,
81 void (*fn
)(struct scsi_cmnd
*));
82 static int qla24xx_queuecommand(struct scsi_cmnd
*cmd
,
83 void (*fn
)(struct scsi_cmnd
*));
84 static int qla2xxx_eh_abort(struct scsi_cmnd
*);
85 static int qla2xxx_eh_device_reset(struct scsi_cmnd
*);
86 static int qla2xxx_eh_bus_reset(struct scsi_cmnd
*);
87 static int qla2xxx_eh_host_reset(struct scsi_cmnd
*);
88 static int qla2x00_loop_reset(scsi_qla_host_t
*ha
);
89 static int qla2x00_device_reset(scsi_qla_host_t
*, fc_port_t
*);
91 static int qla2x00_change_queue_depth(struct scsi_device
*, int);
92 static int qla2x00_change_queue_type(struct scsi_device
*, int);
94 static struct scsi_host_template qla2x00_driver_template
= {
95 .module
= THIS_MODULE
,
97 .queuecommand
= qla2x00_queuecommand
,
99 .eh_abort_handler
= qla2xxx_eh_abort
,
100 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
101 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
102 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
104 .slave_configure
= qla2xxx_slave_configure
,
106 .slave_alloc
= qla2xxx_slave_alloc
,
107 .slave_destroy
= qla2xxx_slave_destroy
,
108 .change_queue_depth
= qla2x00_change_queue_depth
,
109 .change_queue_type
= qla2x00_change_queue_type
,
112 .use_clustering
= ENABLE_CLUSTERING
,
113 .sg_tablesize
= SG_ALL
,
116 * The RISC allows for each command to transfer (2^32-1) bytes of data,
117 * which equates to 0x800000 sectors.
119 .max_sectors
= 0xFFFF,
120 .shost_attrs
= qla2x00_host_attrs
,
123 static struct scsi_host_template qla24xx_driver_template
= {
124 .module
= THIS_MODULE
,
126 .queuecommand
= qla24xx_queuecommand
,
128 .eh_abort_handler
= qla2xxx_eh_abort
,
129 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
130 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
131 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
133 .slave_configure
= qla2xxx_slave_configure
,
135 .slave_alloc
= qla2xxx_slave_alloc
,
136 .slave_destroy
= qla2xxx_slave_destroy
,
137 .change_queue_depth
= qla2x00_change_queue_depth
,
138 .change_queue_type
= qla2x00_change_queue_type
,
141 .use_clustering
= ENABLE_CLUSTERING
,
142 .sg_tablesize
= SG_ALL
,
144 .max_sectors
= 0xFFFF,
145 .shost_attrs
= qla2x00_host_attrs
,
148 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
150 /* TODO Convert to inlines
154 #define WATCH_INTERVAL 1 /* number of seconds */
156 static void qla2x00_timer(scsi_qla_host_t
*);
158 static __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
159 void *, unsigned long);
160 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
161 static __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
164 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
166 init_timer(&ha
->timer
);
167 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
168 ha
->timer
.data
= (unsigned long)ha
;
169 ha
->timer
.function
= (void (*)(unsigned long))func
;
170 add_timer(&ha
->timer
);
171 ha
->timer_active
= 1;
175 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
177 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
180 static __inline__
void
181 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
183 del_timer_sync(&ha
->timer
);
184 ha
->timer_active
= 0;
187 static int qla2x00_do_dpc(void *data
);
189 static void qla2x00_rst_aen(scsi_qla_host_t
*);
191 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
192 static void qla2x00_mem_free(scsi_qla_host_t
*ha
);
193 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
194 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
195 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
196 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
198 /* -------------------------------------------------------------------------- */
201 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
203 static char *pci_bus_modes
[] = {
204 "33", "66", "100", "133",
209 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
212 strcat(str
, pci_bus_modes
[pci_bus
]);
214 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
216 strcat(str
, pci_bus_modes
[pci_bus
]);
218 strcat(str
, " MHz)");
224 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
226 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
230 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
233 uint16_t pcie_lstat
, lspeed
, lwidth
;
236 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
237 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
238 lwidth
= (pcie_lstat
&
239 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
241 strcpy(str
, "PCIe (");
243 strcat(str
, "2.5Gb/s ");
245 strcat(str
, "<unknown> ");
246 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
253 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
254 if (pci_bus
== 0 || pci_bus
== 8) {
256 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
260 strcat(str
, "Mode 2");
262 strcat(str
, "Mode 1");
264 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
266 strcat(str
, " MHz)");
272 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
276 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
277 ha
->fw_minor_version
,
278 ha
->fw_subminor_version
);
280 if (ha
->fw_attributes
& BIT_9
) {
285 switch (ha
->fw_attributes
& 0xFF) {
299 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
303 if (ha
->fw_attributes
& 0x100)
310 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
312 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
313 ha
->fw_minor_version
,
314 ha
->fw_subminor_version
);
316 if (ha
->fw_attributes
& BIT_0
)
317 strcat(str
, "[Class 2] ");
318 if (ha
->fw_attributes
& BIT_1
)
319 strcat(str
, "[IP] ");
320 if (ha
->fw_attributes
& BIT_2
)
321 strcat(str
, "[Multi-ID] ");
322 if (ha
->fw_attributes
& BIT_13
)
323 strcat(str
, "[Experimental]");
327 static inline srb_t
*
328 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
329 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
333 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
341 CMD_SP(cmd
) = (void *)sp
;
342 cmd
->scsi_done
= done
;
348 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
350 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
351 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
352 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
356 rval
= fc_remote_port_chkready(rport
);
359 goto qc_fail_command
;
362 /* Close window on fcport/rport state-transitioning. */
363 if (!*(fc_port_t
**)rport
->dd_data
) {
364 cmd
->result
= DID_IMM_RETRY
<< 16;
365 goto qc_fail_command
;
368 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
369 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
370 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
371 cmd
->result
= DID_NO_CONNECT
<< 16;
372 goto qc_fail_command
;
377 spin_unlock_irq(ha
->host
->host_lock
);
379 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
381 goto qc_host_busy_lock
;
383 rval
= qla2x00_start_scsi(sp
);
384 if (rval
!= QLA_SUCCESS
)
385 goto qc_host_busy_free_sp
;
387 spin_lock_irq(ha
->host
->host_lock
);
391 qc_host_busy_free_sp
:
392 qla2x00_sp_free_dma(ha
, sp
);
393 mempool_free(sp
, ha
->srb_mempool
);
396 spin_lock_irq(ha
->host
->host_lock
);
399 return SCSI_MLQUEUE_HOST_BUSY
;
409 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
411 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
412 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
413 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
417 rval
= fc_remote_port_chkready(rport
);
420 goto qc24_fail_command
;
423 /* Close window on fcport/rport state-transitioning. */
424 if (!*(fc_port_t
**)rport
->dd_data
) {
425 cmd
->result
= DID_IMM_RETRY
<< 16;
426 goto qc24_fail_command
;
429 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
430 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
431 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
432 cmd
->result
= DID_NO_CONNECT
<< 16;
433 goto qc24_fail_command
;
438 spin_unlock_irq(ha
->host
->host_lock
);
440 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
442 goto qc24_host_busy_lock
;
444 rval
= qla24xx_start_scsi(sp
);
445 if (rval
!= QLA_SUCCESS
)
446 goto qc24_host_busy_free_sp
;
448 spin_lock_irq(ha
->host
->host_lock
);
452 qc24_host_busy_free_sp
:
453 qla2x00_sp_free_dma(ha
, sp
);
454 mempool_free(sp
, ha
->srb_mempool
);
457 spin_lock_irq(ha
->host
->host_lock
);
460 return SCSI_MLQUEUE_HOST_BUSY
;
470 * qla2x00_eh_wait_on_command
471 * Waits for the command to be returned by the Firmware for some
475 * ha = actual ha whose done queue will contain the command
476 * returned by firmware.
477 * cmd = Scsi Command to wait on.
478 * flag = Abort/Reset(Bus or Device Reset)
485 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
487 #define ABORT_POLLING_PERIOD 1000
488 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
489 unsigned long wait_iter
= ABORT_WAIT_ITER
;
490 int ret
= QLA_SUCCESS
;
492 while (CMD_SP(cmd
)) {
493 msleep(ABORT_POLLING_PERIOD
);
499 ret
= QLA_FUNCTION_FAILED
;
505 * qla2x00_wait_for_hba_online
506 * Wait till the HBA is online after going through
507 * <= MAX_RETRIES_OF_ISP_ABORT or
508 * finally HBA is disabled ie marked offline
511 * ha - pointer to host adapter structure
514 * Does context switching-Release SPIN_LOCK
515 * (if any) before calling this routine.
518 * Success (Adapter is online) : 0
519 * Failed (Adapter is offline/disabled) : 1
522 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
525 unsigned long wait_online
;
527 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
528 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
529 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
530 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
531 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
535 if (ha
->flags
.online
)
536 return_status
= QLA_SUCCESS
;
538 return_status
= QLA_FUNCTION_FAILED
;
540 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
542 return (return_status
);
546 * qla2x00_wait_for_loop_ready
547 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
548 * to be in LOOP_READY state.
550 * ha - pointer to host adapter structure
553 * Does context switching-Release SPIN_LOCK
554 * (if any) before calling this routine.
558 * Success (LOOP_READY) : 0
559 * Failed (LOOP_NOT_READY) : 1
562 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
564 int return_status
= QLA_SUCCESS
;
565 unsigned long loop_timeout
;
567 /* wait for 5 min at the max for loop to be ready */
568 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
570 while ((!atomic_read(&ha
->loop_down_timer
) &&
571 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
572 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
573 if (atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
574 return_status
= QLA_FUNCTION_FAILED
;
578 if (time_after_eq(jiffies
, loop_timeout
)) {
579 return_status
= QLA_FUNCTION_FAILED
;
583 return (return_status
);
586 /**************************************************************************
590 * The abort function will abort the specified command.
593 * cmd = Linux SCSI command packet to be aborted.
596 * Either SUCCESS or FAILED.
599 **************************************************************************/
601 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
603 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
606 unsigned int id
, lun
;
607 unsigned long serial
;
615 id
= cmd
->device
->id
;
616 lun
= cmd
->device
->lun
;
617 serial
= cmd
->serial_number
;
619 /* Check active list for command command. */
620 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
621 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
622 sp
= ha
->outstanding_cmds
[i
];
630 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
631 __func__
, ha
->host_no
, sp
, serial
));
632 DEBUG3(qla2x00_print_scsi_cmd(cmd
);)
634 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
635 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
636 DEBUG2(printk("%s(%ld): abort_command "
637 "mbx failed.\n", __func__
, ha
->host_no
));
639 DEBUG3(printk("%s(%ld): abort_command "
640 "mbx success.\n", __func__
, ha
->host_no
));
643 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
647 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
649 /* Wait for the command to be returned. */
650 if (ret
== SUCCESS
) {
651 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
652 qla_printk(KERN_ERR
, ha
,
653 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
654 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
658 qla_printk(KERN_INFO
, ha
,
659 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha
->host_no
,
660 id
, lun
, serial
, ret
);
665 /**************************************************************************
666 * qla2x00_eh_wait_for_pending_target_commands
669 * Waits for all the commands to come back from the specified target.
672 * ha - pointer to scsi_qla_host structure.
675 * Either SUCCESS or FAILED.
678 **************************************************************************/
680 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
685 struct scsi_cmnd
*cmd
;
691 * Waiting for all commands for the designated target in the active
694 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
695 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
696 sp
= ha
->outstanding_cmds
[cnt
];
699 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
700 if (cmd
->device
->id
== t
) {
701 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
707 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
714 /**************************************************************************
715 * qla2xxx_eh_device_reset
718 * The device reset function will reset the target and abort any
719 * executing commands.
721 * NOTE: The use of SP is undefined within this context. Do *NOT*
722 * attempt to use this value, even if you determine it is
726 * cmd = Linux SCSI command packet of the command that cause the
730 * SUCCESS/FAILURE (defined as macro in scsi.h).
732 **************************************************************************/
734 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
736 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
737 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
740 unsigned int id
, lun
;
741 unsigned long serial
;
745 id
= cmd
->device
->id
;
746 lun
= cmd
->device
->lun
;
747 serial
= cmd
->serial_number
;
749 sp
= (srb_t
*) CMD_SP(cmd
);
753 qla_printk(KERN_INFO
, ha
,
754 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
756 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
757 goto eh_dev_reset_done
;
759 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
760 if (qla2x00_device_reset(ha
, fcport
) == 0)
763 #if defined(LOGOUT_AFTER_DEVICE_RESET)
764 if (ret
== SUCCESS
) {
765 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
766 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
767 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
772 DEBUG2(printk(KERN_INFO
773 "%s failed: loop not ready\n",__func__
);)
777 DEBUG3(printk("%s(%ld): device reset failed\n",
778 __func__
, ha
->host_no
));
779 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
782 goto eh_dev_reset_done
;
785 /* Flush outstanding commands. */
786 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
789 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
790 __func__
, ha
->host_no
));
791 qla_printk(KERN_INFO
, ha
,
792 "%s: failed while waiting for commands\n", __func__
);
794 qla_printk(KERN_INFO
, ha
,
795 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
801 /**************************************************************************
802 * qla2x00_eh_wait_for_pending_commands
805 * Waits for all the commands to come back from the specified host.
808 * ha - pointer to scsi_qla_host structure.
815 **************************************************************************/
817 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
822 struct scsi_cmnd
*cmd
;
828 * Waiting for all commands for the designated target in the active
831 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
832 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
833 sp
= ha
->outstanding_cmds
[cnt
];
836 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
837 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
842 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
849 /**************************************************************************
850 * qla2xxx_eh_bus_reset
853 * The bus reset function will reset the bus and abort any executing
857 * cmd = Linux SCSI command packet of the command that cause the
861 * SUCCESS/FAILURE (defined as macro in scsi.h).
863 **************************************************************************/
865 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
867 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
868 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
871 unsigned int id
, lun
;
872 unsigned long serial
;
876 id
= cmd
->device
->id
;
877 lun
= cmd
->device
->lun
;
878 serial
= cmd
->serial_number
;
880 sp
= (srb_t
*) CMD_SP(cmd
);
884 qla_printk(KERN_INFO
, ha
,
885 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
887 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
888 DEBUG2(printk("%s failed:board disabled\n",__func__
));
889 goto eh_bus_reset_done
;
892 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
893 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
897 goto eh_bus_reset_done
;
899 /* Flush outstanding commands. */
900 if (!qla2x00_eh_wait_for_pending_commands(ha
))
904 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
905 (ret
== FAILED
) ? "failed" : "succeded");
910 /**************************************************************************
911 * qla2xxx_eh_host_reset
914 * The reset function will reset the Adapter.
917 * cmd = Linux SCSI command packet of the command that cause the
921 * Either SUCCESS or FAILED.
924 **************************************************************************/
926 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
928 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
929 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
932 unsigned int id
, lun
;
933 unsigned long serial
;
937 id
= cmd
->device
->id
;
938 lun
= cmd
->device
->lun
;
939 serial
= cmd
->serial_number
;
941 sp
= (srb_t
*) CMD_SP(cmd
);
945 qla_printk(KERN_INFO
, ha
,
946 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
948 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
949 goto eh_host_reset_lock
;
952 * Fixme-may be dpc thread is active and processing
953 * loop_resync,so wait a while for it to
954 * be completed and then issue big hammer.Otherwise
955 * it may cause I/O failure as big hammer marks the
956 * devices as lost kicking of the port_down_timer
957 * while dpc is stuck for the mailbox to complete.
959 qla2x00_wait_for_loop_ready(ha
);
960 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
961 if (qla2x00_abort_isp(ha
)) {
962 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
963 /* failed. schedule dpc to try */
964 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
966 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
967 goto eh_host_reset_lock
;
969 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
971 /* Waiting for our command in done_queue to be returned to OS.*/
972 if (qla2x00_eh_wait_for_pending_commands(ha
))
976 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
977 (ret
== FAILED
) ? "failed" : "succeded");
987 * ha = adapter block pointer.
993 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
995 int status
= QLA_SUCCESS
;
996 struct fc_port
*fcport
;
998 if (ha
->flags
.enable_lip_reset
) {
999 status
= qla2x00_lip_reset(ha
);
1002 if (status
== QLA_SUCCESS
&& ha
->flags
.enable_target_reset
) {
1003 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1004 if (fcport
->port_type
!= FCT_TARGET
)
1007 status
= qla2x00_device_reset(ha
, fcport
);
1008 if (status
!= QLA_SUCCESS
)
1013 if (status
== QLA_SUCCESS
&&
1014 ((!ha
->flags
.enable_target_reset
&&
1015 !ha
->flags
.enable_lip_reset
) ||
1016 ha
->flags
.enable_lip_full_login
)) {
1018 status
= qla2x00_full_login_lip(ha
);
1021 /* Issue marker command only when we are going to start the I/O */
1022 ha
->marker_needed
= 1;
1026 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1031 DEBUG3(printk("%s(%ld): exiting normally.\n",
1040 * qla2x00_device_reset
1041 * Issue bus device reset message to the target.
1044 * ha = adapter block pointer.
1046 * TARGET_QUEUE_LOCK must be released.
1047 * ADAPTER_STATE_LOCK must be released.
1053 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1055 /* Abort Target command will clear Reservation */
1056 return ha
->isp_ops
.abort_target(reset_fcport
);
1060 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1062 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1064 if (!rport
|| fc_remote_port_chkready(rport
))
1067 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1073 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1075 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1076 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1078 if (sdev
->tagged_supported
)
1079 scsi_activate_tcq(sdev
, 32);
1081 scsi_deactivate_tcq(sdev
, 32);
1083 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1089 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1091 sdev
->hostdata
= NULL
;
1095 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1097 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1098 return sdev
->queue_depth
;
1102 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1104 if (sdev
->tagged_supported
) {
1105 scsi_set_tag_type(sdev
, tag_type
);
1107 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1109 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1117 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1120 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1121 * supported addressing method.
1124 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1126 /* Assume a 32bit DMA mask. */
1127 ha
->flags
.enable_64bit_addressing
= 0;
1129 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1130 /* Any upper-dword bits set? */
1131 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1132 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1133 /* Ok, a 64bit DMA mask is applicable. */
1134 ha
->flags
.enable_64bit_addressing
= 1;
1135 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1136 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1141 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1142 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1146 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1148 ha
->device_type
= DT_EXTENDED_IDS
;
1149 switch (ha
->pdev
->device
) {
1150 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1151 ha
->device_type
|= DT_ISP2100
;
1152 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1154 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1155 ha
->device_type
|= DT_ISP2200
;
1156 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1158 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1159 ha
->device_type
|= DT_ISP2300
;
1160 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1162 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1163 ha
->device_type
|= DT_ISP2312
;
1164 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1166 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1167 ha
->device_type
|= DT_ISP2322
;
1168 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1169 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1170 ha
->pdev
->subsystem_device
== 0x0170)
1171 ha
->device_type
|= DT_OEM_001
;
1173 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1174 ha
->device_type
|= DT_ISP6312
;
1176 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1177 ha
->device_type
|= DT_ISP6322
;
1179 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1180 ha
->device_type
|= DT_ISP2422
;
1181 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1183 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1184 ha
->device_type
|= DT_ISP2432
;
1185 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1187 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1188 ha
->device_type
|= DT_ISP5422
;
1190 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1191 ha
->device_type
|= DT_ISP5432
;
1197 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1199 unsigned long pio
, pio_len
, pio_flags
;
1200 unsigned long mmio
, mmio_len
, mmio_flags
;
1202 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1203 pio
= pci_resource_start(ha
->pdev
, 0);
1204 pio_len
= pci_resource_len(ha
->pdev
, 0);
1205 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1206 if (pio_flags
& IORESOURCE_IO
) {
1207 if (pio_len
< MIN_IOBASE_LEN
) {
1208 qla_printk(KERN_WARNING
, ha
,
1209 "Invalid PCI I/O region size (%s)...\n",
1210 pci_name(ha
->pdev
));
1214 qla_printk(KERN_WARNING
, ha
,
1215 "region #0 not a PIO resource (%s)...\n",
1216 pci_name(ha
->pdev
));
1220 /* Use MMIO operations for all accesses. */
1221 mmio
= pci_resource_start(ha
->pdev
, 1);
1222 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1223 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1225 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1226 qla_printk(KERN_ERR
, ha
,
1227 "region #0 not an MMIO resource (%s), aborting\n",
1228 pci_name(ha
->pdev
));
1229 goto iospace_error_exit
;
1231 if (mmio_len
< MIN_IOBASE_LEN
) {
1232 qla_printk(KERN_ERR
, ha
,
1233 "Invalid PCI mem region size (%s), aborting\n",
1234 pci_name(ha
->pdev
));
1235 goto iospace_error_exit
;
1238 if (pci_request_regions(ha
->pdev
, ha
->brd_info
->drv_name
)) {
1239 qla_printk(KERN_WARNING
, ha
,
1240 "Failed to reserve PIO/MMIO regions (%s)\n",
1241 pci_name(ha
->pdev
));
1243 goto iospace_error_exit
;
1246 ha
->pio_address
= pio
;
1247 ha
->pio_length
= pio_len
;
1248 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1250 qla_printk(KERN_ERR
, ha
,
1251 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1253 goto iospace_error_exit
;
1263 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1265 unsigned long flags
= 0;
1266 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1268 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1269 ha
->interrupts_on
= 1;
1270 /* enable risc and host interrupts */
1271 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1272 RD_REG_WORD(®
->ictrl
);
1273 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1278 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1280 unsigned long flags
= 0;
1281 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1283 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1284 ha
->interrupts_on
= 0;
1285 /* disable risc and host interrupts */
1286 WRT_REG_WORD(®
->ictrl
, 0);
1287 RD_REG_WORD(®
->ictrl
);
1288 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1292 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1294 unsigned long flags
= 0;
1295 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1297 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1298 ha
->interrupts_on
= 1;
1299 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1300 RD_REG_DWORD(®
->ictrl
);
1301 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1305 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1307 unsigned long flags
= 0;
1308 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1310 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1311 ha
->interrupts_on
= 0;
1312 WRT_REG_DWORD(®
->ictrl
, 0);
1313 RD_REG_DWORD(®
->ictrl
);
1314 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1318 * PCI driver interface
1320 int qla2x00_probe_one(struct pci_dev
*pdev
, struct qla_board_info
*brd_info
)
1323 device_reg_t __iomem
*reg
;
1324 struct Scsi_Host
*host
;
1325 scsi_qla_host_t
*ha
;
1326 unsigned long flags
= 0;
1327 unsigned long wait_switch
= 0;
1331 struct scsi_host_template
*sht
;
1333 if (pci_enable_device(pdev
))
1336 sht
= &qla2x00_driver_template
;
1337 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1338 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
)
1339 sht
= &qla24xx_driver_template
;
1340 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1343 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1344 goto probe_disable_device
;
1347 /* Clear our data area */
1348 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1349 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1353 ha
->host_no
= host
->host_no
;
1354 ha
->brd_info
= brd_info
;
1355 sprintf(ha
->host_str
, "%s_%ld", ha
->brd_info
->drv_name
, ha
->host_no
);
1357 /* Set ISP-type information. */
1358 qla2x00_set_isp_flags(ha
);
1360 /* Configure PCI I/O space */
1361 ret
= qla2x00_iospace_config(ha
);
1365 qla_printk(KERN_INFO
, ha
,
1366 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1369 spin_lock_init(&ha
->hardware_lock
);
1371 ha
->prev_topology
= 0;
1372 ha
->init_cb_size
= sizeof(init_cb_t
);
1373 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1374 ha
->link_data_rate
= LDR_UNKNOWN
;
1375 ha
->optrom_size
= OPTROM_SIZE_2300
;
1377 /* Assign ISP specific operations. */
1378 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1379 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1380 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1381 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1382 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1383 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1384 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1385 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1386 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1387 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1388 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1389 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1390 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1391 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1392 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1393 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1394 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1395 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1396 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1397 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1398 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1399 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1400 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1401 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1402 ha
->isp_ops
.ascii_fw_dump
= qla2100_ascii_fw_dump
;
1403 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1404 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1405 if (IS_QLA2100(ha
)) {
1406 host
->max_id
= MAX_TARGETS_2100
;
1407 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1408 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1409 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1410 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1411 host
->sg_tablesize
= 32;
1412 ha
->gid_list_info_size
= 4;
1413 } else if (IS_QLA2200(ha
)) {
1414 host
->max_id
= MAX_TARGETS_2200
;
1415 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1416 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1417 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1418 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1419 ha
->gid_list_info_size
= 4;
1420 } else if (IS_QLA23XX(ha
)) {
1421 host
->max_id
= MAX_TARGETS_2200
;
1422 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1423 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1424 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1425 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1426 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1427 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1428 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1429 ha
->isp_ops
.ascii_fw_dump
= qla2300_ascii_fw_dump
;
1430 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1431 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1432 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1433 ha
->gid_list_info_size
= 6;
1434 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1435 ha
->optrom_size
= OPTROM_SIZE_2322
;
1436 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1437 host
->max_id
= MAX_TARGETS_2200
;
1438 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1439 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1440 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1441 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1442 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1443 ha
->mgmt_svr_loop_id
= 10;
1444 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1445 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1446 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1447 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1448 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1449 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1450 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1451 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1452 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
1453 if (ql2xfwloadflash
)
1454 ha
->isp_ops
.load_risc
= qla24xx_load_risc_flash
;
1456 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1457 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1458 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1459 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1460 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1461 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1462 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1463 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1464 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1465 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1466 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1467 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1468 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1469 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1470 ha
->isp_ops
.ascii_fw_dump
= qla24xx_ascii_fw_dump
;
1471 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1472 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1473 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1474 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1475 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1476 ha
->gid_list_info_size
= 8;
1477 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1479 host
->can_queue
= ha
->request_q_length
+ 128;
1481 /* load the F/W, read paramaters, and init the H/W */
1482 ha
->instance
= num_hosts
;
1484 init_MUTEX(&ha
->mbx_cmd_sem
);
1485 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1487 INIT_LIST_HEAD(&ha
->list
);
1488 INIT_LIST_HEAD(&ha
->fcports
);
1491 * These locks are used to prevent more than one CPU
1492 * from modifying the queue at the same time. The
1493 * higher level "host_lock" will reduce most
1494 * contention for these locks.
1496 spin_lock_init(&ha
->mbx_reg_lock
);
1498 qla2x00_config_dma_addressing(ha
);
1499 if (qla2x00_mem_alloc(ha
)) {
1500 qla_printk(KERN_WARNING
, ha
,
1501 "[ERROR] Failed to allocate memory for adapter\n");
1507 if (qla2x00_initialize_adapter(ha
) &&
1508 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1510 qla_printk(KERN_WARNING
, ha
,
1511 "Failed to initialize adapter\n");
1513 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1514 "Adapter flags %x.\n",
1515 ha
->host_no
, ha
->device_flags
));
1522 * Startup the kernel thread for this host adapter
1524 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1525 "%s_dpc", ha
->host_str
);
1526 if (IS_ERR(ha
->dpc_thread
)) {
1527 qla_printk(KERN_WARNING
, ha
,
1528 "Unable to start DPC thread!\n");
1529 ret
= PTR_ERR(ha
->dpc_thread
);
1533 host
->this_id
= 255;
1534 host
->cmd_per_lun
= 3;
1535 host
->unique_id
= ha
->instance
;
1536 host
->max_cmd_len
= MAX_CMDSZ
;
1537 host
->max_channel
= MAX_BUSES
- 1;
1538 host
->max_lun
= MAX_LUNS
;
1539 host
->transportt
= qla2xxx_transport_template
;
1541 ret
= request_irq(pdev
->irq
, ha
->isp_ops
.intr_handler
,
1542 SA_INTERRUPT
|SA_SHIRQ
, ha
->brd_info
->drv_name
, ha
);
1544 qla_printk(KERN_WARNING
, ha
,
1545 "Failed to reserve interrupt %d already in use.\n",
1549 host
->irq
= pdev
->irq
;
1551 /* Initialized the timer */
1552 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1554 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1557 ha
->isp_ops
.disable_intrs(ha
);
1559 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1561 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1562 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1563 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1565 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1566 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1567 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1569 /* Enable proper parity */
1570 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1573 WRT_REG_WORD(®
->isp
.hccr
,
1574 (HCCR_ENABLE_PARITY
+ 0x1));
1576 /* SRAM, Instruction RAM and GP RAM parity */
1577 WRT_REG_WORD(®
->isp
.hccr
,
1578 (HCCR_ENABLE_PARITY
+ 0x7));
1581 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1583 ha
->isp_ops
.enable_intrs(ha
);
1587 * Wait around max loop_reset_delay secs for the devices to come
1588 * on-line. We don't want Linux scanning before we are ready.
1591 for (wait_switch
= jiffies
+ (ha
->loop_reset_delay
* HZ
);
1592 time_before(jiffies
,wait_switch
) &&
1593 !(ha
->device_flags
& (DFLG_NO_CABLE
| DFLG_FABRIC_DEVICES
))
1594 && (ha
->device_flags
& SWITCH_FOUND
) ;) {
1596 qla2x00_check_fabric_devices(ha
);
1601 pci_set_drvdata(pdev
, ha
);
1602 ha
->flags
.init_done
= 1;
1605 ret
= scsi_add_host(host
, &pdev
->dev
);
1609 qla2x00_alloc_sysfs_attr(ha
);
1611 qla2x00_init_host_attr(ha
);
1613 qla_printk(KERN_INFO
, ha
, "\n"
1614 " QLogic Fibre Channel HBA Driver: %s\n"
1616 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1617 qla2x00_version_str
, ha
->model_number
,
1618 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1619 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1620 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1621 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1623 /* Go with fc_rport registration. */
1624 list_for_each_entry(fcport
, &ha
->fcports
, list
)
1625 qla2x00_reg_remote_port(ha
, fcport
);
1630 qla2x00_free_device(ha
);
1632 scsi_host_put(host
);
1634 probe_disable_device
:
1635 pci_disable_device(pdev
);
1640 EXPORT_SYMBOL_GPL(qla2x00_probe_one
);
1642 void qla2x00_remove_one(struct pci_dev
*pdev
)
1644 scsi_qla_host_t
*ha
;
1646 ha
= pci_get_drvdata(pdev
);
1648 qla2x00_free_sysfs_attr(ha
);
1650 fc_remove_host(ha
->host
);
1652 scsi_remove_host(ha
->host
);
1654 qla2x00_free_device(ha
);
1656 scsi_host_put(ha
->host
);
1658 pci_set_drvdata(pdev
, NULL
);
1660 EXPORT_SYMBOL_GPL(qla2x00_remove_one
);
1663 qla2x00_free_device(scsi_qla_host_t
*ha
)
1666 if (ha
->timer_active
)
1667 qla2x00_stop_timer(ha
);
1669 /* Kill the kernel thread for this host */
1670 if (ha
->dpc_thread
) {
1671 struct task_struct
*t
= ha
->dpc_thread
;
1674 * qla2xxx_wake_dpc checks for ->dpc_thread
1675 * so we need to zero it out.
1677 ha
->dpc_thread
= NULL
;
1681 /* Stop currently executing firmware. */
1682 qla2x00_stop_firmware(ha
);
1684 /* turn-off interrupts on the card */
1685 if (ha
->interrupts_on
)
1686 ha
->isp_ops
.disable_intrs(ha
);
1688 qla2x00_mem_free(ha
);
1690 ha
->flags
.online
= 0;
1692 /* Detach interrupts */
1694 free_irq(ha
->pdev
->irq
, ha
);
1696 /* release io space registers */
1698 iounmap(ha
->iobase
);
1699 pci_release_regions(ha
->pdev
);
1701 pci_disable_device(ha
->pdev
);
1705 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1708 unsigned long flags
;
1709 struct fc_rport
*rport
;
1714 rport
= fcport
->rport
;
1716 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1717 fcport
->drport
= rport
;
1718 fcport
->rport
= NULL
;
1719 *(fc_port_t
**)rport
->dd_data
= NULL
;
1720 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1721 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1723 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1724 fcport
->rport
= NULL
;
1725 *(fc_port_t
**)rport
->dd_data
= NULL
;
1726 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1727 fc_remote_port_delete(rport
);
1732 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1734 * Input: ha = adapter block pointer. fcport = port structure pointer.
1740 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1741 int do_login
, int defer
)
1743 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1744 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1747 * We may need to retry the login, so don't change the state of the
1748 * port but do the retries.
1750 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1751 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1756 if (fcport
->login_retry
== 0) {
1757 fcport
->login_retry
= ha
->login_retry_count
;
1758 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1760 DEBUG(printk("scsi(%ld): Port login retry: "
1761 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1762 "id = 0x%04x retry cnt=%d\n",
1764 fcport
->port_name
[0],
1765 fcport
->port_name
[1],
1766 fcport
->port_name
[2],
1767 fcport
->port_name
[3],
1768 fcport
->port_name
[4],
1769 fcport
->port_name
[5],
1770 fcport
->port_name
[6],
1771 fcport
->port_name
[7],
1773 fcport
->login_retry
));
1778 * qla2x00_mark_all_devices_lost
1779 * Updates fcport state when device goes offline.
1782 * ha = adapter block pointer.
1783 * fcport = port structure pointer.
1791 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1795 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1796 if (fcport
->port_type
!= FCT_TARGET
)
1800 * No point in marking the device as lost, if the device is
1803 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1805 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1806 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1807 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1811 qla2xxx_wake_dpc(ha
);
1816 * Allocates adapter memory.
1823 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1831 * This will loop only once if everything goes well, else some
1832 * number of retries will be performed to get around a kernel
1833 * bug where available mem is not allocated until after a
1834 * little delay and a retry.
1836 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1837 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1838 &ha
->request_dma
, GFP_KERNEL
);
1839 if (ha
->request_ring
== NULL
) {
1840 qla_printk(KERN_WARNING
, ha
,
1841 "Memory Allocation failed - request_ring\n");
1843 qla2x00_mem_free(ha
);
1849 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1850 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1851 &ha
->response_dma
, GFP_KERNEL
);
1852 if (ha
->response_ring
== NULL
) {
1853 qla_printk(KERN_WARNING
, ha
,
1854 "Memory Allocation failed - response_ring\n");
1856 qla2x00_mem_free(ha
);
1862 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1863 &ha
->gid_list_dma
, GFP_KERNEL
);
1864 if (ha
->gid_list
== NULL
) {
1865 qla_printk(KERN_WARNING
, ha
,
1866 "Memory Allocation failed - gid_list\n");
1868 qla2x00_mem_free(ha
);
1874 snprintf(name
, sizeof(name
), "qla2xxx_%ld", ha
->host_no
);
1875 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1876 DMA_POOL_SIZE
, 8, 0);
1877 if (ha
->s_dma_pool
== NULL
) {
1878 qla_printk(KERN_WARNING
, ha
,
1879 "Memory Allocation failed - s_dma_pool\n");
1881 qla2x00_mem_free(ha
);
1887 /* get consistent memory allocated for init control block */
1888 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1890 if (ha
->init_cb
== NULL
) {
1891 qla_printk(KERN_WARNING
, ha
,
1892 "Memory Allocation failed - init_cb\n");
1894 qla2x00_mem_free(ha
);
1899 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1901 /* Allocate ioctl related memory. */
1902 if (qla2x00_alloc_ioctl_mem(ha
)) {
1903 qla_printk(KERN_WARNING
, ha
,
1904 "Memory Allocation failed - ioctl_mem\n");
1906 qla2x00_mem_free(ha
);
1912 if (qla2x00_allocate_sp_pool(ha
)) {
1913 qla_printk(KERN_WARNING
, ha
,
1914 "Memory Allocation failed - "
1915 "qla2x00_allocate_sp_pool()\n");
1917 qla2x00_mem_free(ha
);
1923 /* Allocate memory for SNS commands */
1924 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1925 /* Get consistent memory allocated for SNS commands */
1926 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1927 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1929 if (ha
->sns_cmd
== NULL
) {
1931 qla_printk(KERN_WARNING
, ha
,
1932 "Memory Allocation failed - sns_cmd\n");
1934 qla2x00_mem_free(ha
);
1939 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1941 /* Get consistent memory allocated for MS IOCB */
1942 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1944 if (ha
->ms_iocb
== NULL
) {
1946 qla_printk(KERN_WARNING
, ha
,
1947 "Memory Allocation failed - ms_iocb\n");
1949 qla2x00_mem_free(ha
);
1954 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
1957 * Get consistent memory allocated for CT SNS
1960 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
1961 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
1963 if (ha
->ct_sns
== NULL
) {
1965 qla_printk(KERN_WARNING
, ha
,
1966 "Memory Allocation failed - ct_sns\n");
1968 qla2x00_mem_free(ha
);
1973 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
1976 /* Done all allocations without any error. */
1979 } while (retry
-- && status
!= 0);
1983 "%s(): **** FAILED ****\n", __func__
);
1991 * Frees all adapter allocated memory.
1994 * ha = adapter block pointer.
1997 qla2x00_mem_free(scsi_qla_host_t
*ha
)
1999 struct list_head
*fcpl
, *fcptemp
;
2004 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2008 /* free ioctl memory */
2009 qla2x00_free_ioctl_mem(ha
);
2012 qla2x00_free_sp_pool(ha
);
2015 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2016 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2019 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2020 ha
->ct_sns
, ha
->ct_sns_dma
);
2023 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2026 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2029 dma_pool_destroy(ha
->s_dma_pool
);
2032 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2035 if (ha
->response_ring
)
2036 dma_free_coherent(&ha
->pdev
->dev
,
2037 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2038 ha
->response_ring
, ha
->response_dma
);
2040 if (ha
->request_ring
)
2041 dma_free_coherent(&ha
->pdev
->dev
,
2042 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2043 ha
->request_ring
, ha
->request_dma
);
2046 ha
->sns_cmd_dma
= 0;
2050 ha
->ms_iocb_dma
= 0;
2052 ha
->init_cb_dma
= 0;
2054 ha
->s_dma_pool
= NULL
;
2056 ha
->gid_list
= NULL
;
2057 ha
->gid_list_dma
= 0;
2059 ha
->response_ring
= NULL
;
2060 ha
->response_dma
= 0;
2061 ha
->request_ring
= NULL
;
2062 ha
->request_dma
= 0;
2064 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2065 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2068 list_del_init(&fcport
->list
);
2071 INIT_LIST_HEAD(&ha
->fcports
);
2074 free_pages((unsigned long)ha
->fw_dump
, ha
->fw_dump_order
);
2076 vfree(ha
->fw_dump24
);
2078 vfree(ha
->fw_dump_buffer
);
2081 ha
->fw_dump24
= NULL
;
2083 ha
->fw_dump_reading
= 0;
2084 ha
->fw_dump_buffer
= NULL
;
2086 vfree(ha
->optrom_buffer
);
2090 * qla2x00_allocate_sp_pool
2091 * This routine is called during initialization to allocate
2092 * memory for local srb_t.
2095 * ha = adapter block pointer.
2101 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2106 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2107 if (ha
->srb_mempool
== NULL
) {
2108 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2109 rval
= QLA_FUNCTION_FAILED
;
2115 * This routine frees all adapter allocated memory.
2119 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2121 if (ha
->srb_mempool
) {
2122 mempool_destroy(ha
->srb_mempool
);
2123 ha
->srb_mempool
= NULL
;
2127 /**************************************************************************
2129 * This kernel thread is a task that is schedule by the interrupt handler
2130 * to perform the background processing for interrupts.
2133 * This task always run in the context of a kernel thread. It
2134 * is kick-off by the driver's detect code and starts up
2135 * up one per adapter. It immediately goes to sleep and waits for
2136 * some fibre event. When either the interrupt handler or
2137 * the timer routine detects a event it will one of the task
2138 * bits then wake us up.
2139 **************************************************************************/
2141 qla2x00_do_dpc(void *data
)
2143 scsi_qla_host_t
*ha
;
2146 uint16_t next_loopid
;
2148 ha
= (scsi_qla_host_t
*)data
;
2150 set_user_nice(current
, -20);
2152 while (!kthread_should_stop()) {
2153 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2155 set_current_state(TASK_INTERRUPTIBLE
);
2157 __set_current_state(TASK_RUNNING
);
2159 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2161 /* Initialization not yet finished. Don't do anything yet. */
2162 if (!ha
->flags
.init_done
)
2165 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2169 if (ha
->flags
.mbox_busy
) {
2174 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2176 DEBUG(printk("scsi(%ld): dpc: sched "
2177 "qla2x00_abort_isp ha = %p\n",
2179 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2182 if (qla2x00_abort_isp(ha
)) {
2183 /* failed. retry later */
2184 set_bit(ISP_ABORT_NEEDED
,
2187 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2189 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2193 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2194 qla2x00_update_fcports(ha
);
2196 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2197 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2199 qla2x00_loop_reset(ha
);
2202 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2203 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2205 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2208 qla2x00_rst_aen(ha
);
2209 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2212 /* Retry each device up to login retry count */
2213 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2214 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2215 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2217 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2221 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2222 if (fcport
->port_type
!= FCT_TARGET
)
2226 * If the port is not ONLINE then try to login
2227 * to it if we haven't run out of retries.
2229 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2230 fcport
->login_retry
) {
2232 fcport
->login_retry
--;
2233 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2236 ha
->isp_ops
.fabric_logout(
2237 ha
, fcport
->loop_id
,
2238 fcport
->d_id
.b
.domain
,
2239 fcport
->d_id
.b
.area
,
2240 fcport
->d_id
.b
.al_pa
);
2241 status
= qla2x00_fabric_login(
2242 ha
, fcport
, &next_loopid
);
2245 qla2x00_local_device_login(
2248 if (status
== QLA_SUCCESS
) {
2249 fcport
->old_loop_id
= fcport
->loop_id
;
2251 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2252 ha
->host_no
, fcport
->loop_id
));
2254 qla2x00_update_fcport(ha
,
2256 } else if (status
== 1) {
2257 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2258 /* retry the login again */
2259 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2261 fcport
->login_retry
, fcport
->loop_id
));
2263 fcport
->login_retry
= 0;
2266 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2269 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2273 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2274 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2276 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2277 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2280 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2282 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2286 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2288 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2291 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2294 qla2x00_loop_resync(ha
);
2296 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2299 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2303 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2305 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2308 qla2x00_rescan_fcports(ha
);
2310 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2315 if (!ha
->interrupts_on
)
2316 ha
->isp_ops
.enable_intrs(ha
);
2318 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2319 ha
->isp_ops
.beacon_blink(ha
);
2322 } /* End of while(1) */
2324 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2327 * Make sure that nobody tries to wake us up again.
2335 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2338 wake_up_process(ha
->dpc_thread
);
2343 * Processes asynchronous reset.
2346 * ha = adapter block pointer.
2349 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2351 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2352 !atomic_read(&ha
->loop_down_timer
) &&
2353 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2355 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2358 * Issue marker command only when we are going to start
2361 ha
->marker_needed
= 1;
2362 } while (!atomic_read(&ha
->loop_down_timer
) &&
2363 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2368 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2370 struct scsi_cmnd
*cmd
= sp
->cmd
;
2372 if (sp
->flags
& SRB_DMA_VALID
) {
2374 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2375 cmd
->use_sg
, cmd
->sc_data_direction
);
2376 } else if (cmd
->request_bufflen
) {
2377 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2378 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2380 sp
->flags
&= ~SRB_DMA_VALID
;
2386 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2388 struct scsi_cmnd
*cmd
= sp
->cmd
;
2390 qla2x00_sp_free_dma(ha
, sp
);
2392 mempool_free(sp
, ha
->srb_mempool
);
2394 cmd
->scsi_done(cmd
);
2397 /**************************************************************************
2403 * Context: Interrupt
2404 ***************************************************************************/
2406 qla2x00_timer(scsi_qla_host_t
*ha
)
2408 unsigned long cpu_flags
= 0;
2416 * Ports - Port down timer.
2418 * Whenever, a port is in the LOST state we start decrementing its port
2419 * down timer every second until it reaches zero. Once it reaches zero
2420 * the port it marked DEAD.
2423 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2424 if (fcport
->port_type
!= FCT_TARGET
)
2427 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2429 if (atomic_read(&fcport
->port_down_timer
) == 0)
2432 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2433 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2435 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2438 t
, atomic_read(&fcport
->port_down_timer
)));
2441 } /* End of for fcport */
2444 /* Loop down handler. */
2445 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2446 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2448 if (atomic_read(&ha
->loop_down_timer
) ==
2449 ha
->loop_down_abort_time
) {
2451 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2452 "queues before time expire\n",
2455 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2456 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2458 /* Schedule an ISP abort to return any tape commands. */
2459 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2460 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2464 sp
= ha
->outstanding_cmds
[index
];
2468 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2471 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2474 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2476 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2480 /* if the loop has been down for 4 minutes, reinit adapter */
2481 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2482 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2483 "restarting queues.\n",
2486 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2489 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2490 DEBUG(printk("scsi(%ld): Loop down - "
2493 qla_printk(KERN_WARNING
, ha
,
2494 "Loop down - aborting ISP.\n");
2496 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2499 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2501 atomic_read(&ha
->loop_down_timer
)));
2504 /* Check if beacon LED needs to be blinked */
2505 if (ha
->beacon_blink_led
== 1) {
2506 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2510 /* Schedule the DPC routine if needed */
2511 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2512 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2513 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2514 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2516 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2517 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2518 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2519 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2520 qla2xxx_wake_dpc(ha
);
2522 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2525 /* XXX(hch): crude hack to emulate a down_timeout() */
2527 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2529 const unsigned int step
= 100; /* msecs */
2530 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2533 if (!down_trylock(sema
))
2535 if (msleep_interruptible(step
))
2537 } while (--iterations
>= 0);
2542 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2544 #define qla2x00_release_firmware() do { } while (0)
2545 #define qla2x00_pci_module_init() (0)
2546 #define qla2x00_pci_module_exit() do { } while (0)
2548 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
2550 /* Firmware interface routines. */
2553 #define FW_ISP21XX 0
2554 #define FW_ISP22XX 1
2555 #define FW_ISP2300 2
2556 #define FW_ISP2322 3
2557 #define FW_ISP24XX 4
2559 static DECLARE_MUTEX(qla_fw_lock
);
2561 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2562 { .name
= "ql2100_fw.bin", .segs
= { 0x1000, 0 }, },
2563 { .name
= "ql2200_fw.bin", .segs
= { 0x1000, 0 }, },
2564 { .name
= "ql2300_fw.bin", .segs
= { 0x800, 0 }, },
2565 { .name
= "ql2322_fw.bin", .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2566 { .name
= "ql2400_fw.bin", },
2570 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2572 struct fw_blob
*blob
;
2575 if (IS_QLA2100(ha
)) {
2576 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2577 } else if (IS_QLA2200(ha
)) {
2578 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2579 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2580 blob
= &qla_fw_blobs
[FW_ISP2300
];
2581 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2582 blob
= &qla_fw_blobs
[FW_ISP2322
];
2583 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2584 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2591 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2592 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2593 "(%s).\n", ha
->host_no
, blob
->name
));
2605 qla2x00_release_firmware(void)
2610 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2611 if (qla_fw_blobs
[idx
].fw
)
2612 release_firmware(qla_fw_blobs
[idx
].fw
);
2616 static struct qla_board_info qla_board_tbl
= {
2617 .drv_name
= "qla2xxx",
2620 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2621 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
,
2622 PCI_ANY_ID
, PCI_ANY_ID
, },
2623 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
,
2624 PCI_ANY_ID
, PCI_ANY_ID
, },
2625 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
,
2626 PCI_ANY_ID
, PCI_ANY_ID
, },
2627 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
,
2628 PCI_ANY_ID
, PCI_ANY_ID
, },
2629 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
,
2630 PCI_ANY_ID
, PCI_ANY_ID
, },
2631 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
,
2632 PCI_ANY_ID
, PCI_ANY_ID
, },
2633 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
,
2634 PCI_ANY_ID
, PCI_ANY_ID
, },
2635 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
,
2636 PCI_ANY_ID
, PCI_ANY_ID
, },
2637 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
,
2638 PCI_ANY_ID
, PCI_ANY_ID
, },
2639 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
,
2640 PCI_ANY_ID
, PCI_ANY_ID
, },
2641 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
,
2642 PCI_ANY_ID
, PCI_ANY_ID
, },
2645 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2647 static int __devinit
2648 qla2xxx_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
2650 return qla2x00_probe_one(pdev
, &qla_board_tbl
);
2653 static void __devexit
2654 qla2xxx_remove_one(struct pci_dev
*pdev
)
2656 qla2x00_remove_one(pdev
);
2659 static struct pci_driver qla2xxx_pci_driver
= {
2662 .owner
= THIS_MODULE
,
2664 .id_table
= qla2xxx_pci_tbl
,
2665 .probe
= qla2xxx_probe_one
,
2666 .remove
= __devexit_p(qla2xxx_remove_one
),
2670 qla2x00_pci_module_init(void)
2672 return pci_module_init(&qla2xxx_pci_driver
);
2676 qla2x00_pci_module_exit(void)
2678 pci_unregister_driver(&qla2xxx_pci_driver
);
2684 * qla2x00_module_init - Module initialization.
2687 qla2x00_module_init(void)
2691 /* Allocate cache for SRBs. */
2692 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2693 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2694 if (srb_cachep
== NULL
) {
2696 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2700 /* Derive version string. */
2701 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2702 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2703 strcat(qla2x00_version_str
, "-fw");
2706 strcat(qla2x00_version_str
, "-debug");
2708 qla2xxx_transport_template
=
2709 fc_attach_transport(&qla2xxx_transport_functions
);
2710 if (!qla2xxx_transport_template
)
2713 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2714 ret
= qla2x00_pci_module_init();
2716 kmem_cache_destroy(srb_cachep
);
2717 fc_release_transport(qla2xxx_transport_template
);
2723 * qla2x00_module_exit - Module cleanup.
2726 qla2x00_module_exit(void)
2728 qla2x00_pci_module_exit();
2729 qla2x00_release_firmware();
2730 kmem_cache_destroy(srb_cachep
);
2731 fc_release_transport(qla2xxx_transport_template
);
2734 module_init(qla2x00_module_init
);
2735 module_exit(qla2x00_module_exit
);
2737 MODULE_AUTHOR("QLogic Corporation");
2738 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2739 MODULE_LICENSE("GPL");
2740 MODULE_VERSION(QLA2XXX_VERSION
);