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 ql2xextended_error_logging
;
65 module_param(ql2xextended_error_logging
, int, S_IRUGO
|S_IRUSR
);
66 MODULE_PARM_DESC(ql2xextended_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.");
80 #define MAX_Q_DEPTH 32
81 static int ql2xmaxqdepth
= MAX_Q_DEPTH
;
82 module_param(ql2xmaxqdepth
, int, S_IRUGO
|S_IWUSR
);
83 MODULE_PARM_DESC(ql2xmaxqdepth
,
84 "Maximum queue depth to report for target devices.");
86 int ql2xqfullrampup
= 120;
87 module_param(ql2xqfullrampup
, int, S_IRUGO
|S_IWUSR
);
88 MODULE_PARM_DESC(ql2xqfullrampup
,
89 "Number of seconds to wait to begin to ramp-up the queue "
90 "depth for a device after a queue-full condition has been "
91 "detected. Default is 120 seconds.");
94 * SCSI host template entry points
96 static int qla2xxx_slave_configure(struct scsi_device
* device
);
97 static int qla2xxx_slave_alloc(struct scsi_device
*);
98 static int qla2xxx_scan_finished(struct Scsi_Host
*, unsigned long time
);
99 static void qla2xxx_scan_start(struct Scsi_Host
*);
100 static void qla2xxx_slave_destroy(struct scsi_device
*);
101 static int qla2x00_queuecommand(struct scsi_cmnd
*cmd
,
102 void (*fn
)(struct scsi_cmnd
*));
103 static int qla24xx_queuecommand(struct scsi_cmnd
*cmd
,
104 void (*fn
)(struct scsi_cmnd
*));
105 static int qla2xxx_eh_abort(struct scsi_cmnd
*);
106 static int qla2xxx_eh_device_reset(struct scsi_cmnd
*);
107 static int qla2xxx_eh_bus_reset(struct scsi_cmnd
*);
108 static int qla2xxx_eh_host_reset(struct scsi_cmnd
*);
109 static int qla2x00_loop_reset(scsi_qla_host_t
*ha
);
110 static int qla2x00_device_reset(scsi_qla_host_t
*, fc_port_t
*);
112 static int qla2x00_change_queue_depth(struct scsi_device
*, int);
113 static int qla2x00_change_queue_type(struct scsi_device
*, int);
115 static struct scsi_host_template qla2x00_driver_template
= {
116 .module
= THIS_MODULE
,
117 .name
= QLA2XXX_DRIVER_NAME
,
118 .queuecommand
= qla2x00_queuecommand
,
120 .eh_abort_handler
= qla2xxx_eh_abort
,
121 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
122 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
123 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
125 .slave_configure
= qla2xxx_slave_configure
,
127 .slave_alloc
= qla2xxx_slave_alloc
,
128 .slave_destroy
= qla2xxx_slave_destroy
,
129 .scan_finished
= qla2xxx_scan_finished
,
130 .scan_start
= qla2xxx_scan_start
,
131 .change_queue_depth
= qla2x00_change_queue_depth
,
132 .change_queue_type
= qla2x00_change_queue_type
,
135 .use_clustering
= ENABLE_CLUSTERING
,
136 .sg_tablesize
= SG_ALL
,
139 * The RISC allows for each command to transfer (2^32-1) bytes of data,
140 * which equates to 0x800000 sectors.
142 .max_sectors
= 0xFFFF,
143 .shost_attrs
= qla2x00_host_attrs
,
146 static struct scsi_host_template qla24xx_driver_template
= {
147 .module
= THIS_MODULE
,
148 .name
= QLA2XXX_DRIVER_NAME
,
149 .queuecommand
= qla24xx_queuecommand
,
151 .eh_abort_handler
= qla2xxx_eh_abort
,
152 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
153 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
154 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
156 .slave_configure
= qla2xxx_slave_configure
,
158 .slave_alloc
= qla2xxx_slave_alloc
,
159 .slave_destroy
= qla2xxx_slave_destroy
,
160 .change_queue_depth
= qla2x00_change_queue_depth
,
161 .change_queue_type
= qla2x00_change_queue_type
,
164 .use_clustering
= ENABLE_CLUSTERING
,
165 .sg_tablesize
= SG_ALL
,
167 .max_sectors
= 0xFFFF,
168 .shost_attrs
= qla2x00_host_attrs
,
171 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
173 /* TODO Convert to inlines
177 #define WATCH_INTERVAL 1 /* number of seconds */
179 static void qla2x00_timer(scsi_qla_host_t
*);
181 static __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
182 void *, unsigned long);
183 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
184 static __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
187 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
189 init_timer(&ha
->timer
);
190 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
191 ha
->timer
.data
= (unsigned long)ha
;
192 ha
->timer
.function
= (void (*)(unsigned long))func
;
193 add_timer(&ha
->timer
);
194 ha
->timer_active
= 1;
198 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
200 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
203 static __inline__
void
204 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
206 del_timer_sync(&ha
->timer
);
207 ha
->timer_active
= 0;
210 static int qla2x00_do_dpc(void *data
);
212 static void qla2x00_rst_aen(scsi_qla_host_t
*);
214 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
215 static void qla2x00_mem_free(scsi_qla_host_t
*ha
);
216 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
217 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
218 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
219 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
221 /* -------------------------------------------------------------------------- */
224 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
226 static char *pci_bus_modes
[] = {
227 "33", "66", "100", "133",
232 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
235 strcat(str
, pci_bus_modes
[pci_bus
]);
237 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
239 strcat(str
, pci_bus_modes
[pci_bus
]);
241 strcat(str
, " MHz)");
247 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
249 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
253 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
256 uint16_t pcie_lstat
, lspeed
, lwidth
;
259 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
260 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
261 lwidth
= (pcie_lstat
&
262 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
264 strcpy(str
, "PCIe (");
266 strcat(str
, "2.5Gb/s ");
268 strcat(str
, "<unknown> ");
269 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
276 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
277 if (pci_bus
== 0 || pci_bus
== 8) {
279 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
283 strcat(str
, "Mode 2");
285 strcat(str
, "Mode 1");
287 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
289 strcat(str
, " MHz)");
295 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
299 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
300 ha
->fw_minor_version
,
301 ha
->fw_subminor_version
);
303 if (ha
->fw_attributes
& BIT_9
) {
308 switch (ha
->fw_attributes
& 0xFF) {
322 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
326 if (ha
->fw_attributes
& 0x100)
333 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
335 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
336 ha
->fw_minor_version
,
337 ha
->fw_subminor_version
);
339 if (ha
->fw_attributes
& BIT_0
)
340 strcat(str
, "[Class 2] ");
341 if (ha
->fw_attributes
& BIT_1
)
342 strcat(str
, "[IP] ");
343 if (ha
->fw_attributes
& BIT_2
)
344 strcat(str
, "[Multi-ID] ");
345 if (ha
->fw_attributes
& BIT_13
)
346 strcat(str
, "[Experimental]");
350 static inline srb_t
*
351 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
352 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
356 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
364 CMD_SP(cmd
) = (void *)sp
;
365 cmd
->scsi_done
= done
;
371 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
373 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
374 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
375 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
379 rval
= fc_remote_port_chkready(rport
);
382 goto qc_fail_command
;
385 /* Close window on fcport/rport state-transitioning. */
386 if (!*(fc_port_t
**)rport
->dd_data
) {
387 cmd
->result
= DID_IMM_RETRY
<< 16;
388 goto qc_fail_command
;
391 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
392 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
393 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
394 cmd
->result
= DID_NO_CONNECT
<< 16;
395 goto qc_fail_command
;
400 spin_unlock_irq(ha
->host
->host_lock
);
402 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
404 goto qc_host_busy_lock
;
406 rval
= qla2x00_start_scsi(sp
);
407 if (rval
!= QLA_SUCCESS
)
408 goto qc_host_busy_free_sp
;
410 spin_lock_irq(ha
->host
->host_lock
);
414 qc_host_busy_free_sp
:
415 qla2x00_sp_free_dma(ha
, sp
);
416 mempool_free(sp
, ha
->srb_mempool
);
419 spin_lock_irq(ha
->host
->host_lock
);
422 return SCSI_MLQUEUE_HOST_BUSY
;
432 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
434 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
435 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
436 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
440 rval
= fc_remote_port_chkready(rport
);
443 goto qc24_fail_command
;
446 /* Close window on fcport/rport state-transitioning. */
447 if (!*(fc_port_t
**)rport
->dd_data
) {
448 cmd
->result
= DID_IMM_RETRY
<< 16;
449 goto qc24_fail_command
;
452 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
453 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
454 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
455 cmd
->result
= DID_NO_CONNECT
<< 16;
456 goto qc24_fail_command
;
461 spin_unlock_irq(ha
->host
->host_lock
);
463 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
465 goto qc24_host_busy_lock
;
467 rval
= qla24xx_start_scsi(sp
);
468 if (rval
!= QLA_SUCCESS
)
469 goto qc24_host_busy_free_sp
;
471 spin_lock_irq(ha
->host
->host_lock
);
475 qc24_host_busy_free_sp
:
476 qla2x00_sp_free_dma(ha
, sp
);
477 mempool_free(sp
, ha
->srb_mempool
);
480 spin_lock_irq(ha
->host
->host_lock
);
483 return SCSI_MLQUEUE_HOST_BUSY
;
493 * qla2x00_eh_wait_on_command
494 * Waits for the command to be returned by the Firmware for some
498 * ha = actual ha whose done queue will contain the command
499 * returned by firmware.
500 * cmd = Scsi Command to wait on.
501 * flag = Abort/Reset(Bus or Device Reset)
508 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
510 #define ABORT_POLLING_PERIOD 1000
511 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
512 unsigned long wait_iter
= ABORT_WAIT_ITER
;
513 int ret
= QLA_SUCCESS
;
515 while (CMD_SP(cmd
)) {
516 msleep(ABORT_POLLING_PERIOD
);
522 ret
= QLA_FUNCTION_FAILED
;
528 * qla2x00_wait_for_hba_online
529 * Wait till the HBA is online after going through
530 * <= MAX_RETRIES_OF_ISP_ABORT or
531 * finally HBA is disabled ie marked offline
534 * ha - pointer to host adapter structure
537 * Does context switching-Release SPIN_LOCK
538 * (if any) before calling this routine.
541 * Success (Adapter is online) : 0
542 * Failed (Adapter is offline/disabled) : 1
545 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
548 unsigned long wait_online
;
550 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
551 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
552 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
553 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
554 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
558 if (ha
->flags
.online
)
559 return_status
= QLA_SUCCESS
;
561 return_status
= QLA_FUNCTION_FAILED
;
563 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
565 return (return_status
);
569 * qla2x00_wait_for_loop_ready
570 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
571 * to be in LOOP_READY state.
573 * ha - pointer to host adapter structure
576 * Does context switching-Release SPIN_LOCK
577 * (if any) before calling this routine.
581 * Success (LOOP_READY) : 0
582 * Failed (LOOP_NOT_READY) : 1
585 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
587 int return_status
= QLA_SUCCESS
;
588 unsigned long loop_timeout
;
590 /* wait for 5 min at the max for loop to be ready */
591 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
593 while ((!atomic_read(&ha
->loop_down_timer
) &&
594 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
595 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
596 if (atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
597 return_status
= QLA_FUNCTION_FAILED
;
601 if (time_after_eq(jiffies
, loop_timeout
)) {
602 return_status
= QLA_FUNCTION_FAILED
;
606 return (return_status
);
610 qla2x00_block_error_handler(struct scsi_cmnd
*cmnd
)
612 struct Scsi_Host
*shost
= cmnd
->device
->host
;
613 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmnd
->device
));
616 spin_lock_irqsave(shost
->host_lock
, flags
);
617 while (rport
->port_state
== FC_PORTSTATE_BLOCKED
) {
618 spin_unlock_irqrestore(shost
->host_lock
, flags
);
620 spin_lock_irqsave(shost
->host_lock
, flags
);
622 spin_unlock_irqrestore(shost
->host_lock
, flags
);
626 /**************************************************************************
630 * The abort function will abort the specified command.
633 * cmd = Linux SCSI command packet to be aborted.
636 * Either SUCCESS or FAILED.
639 * Only return FAILED if command not returned by firmware.
640 **************************************************************************/
642 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
644 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
647 unsigned int id
, lun
;
648 unsigned long serial
;
652 qla2x00_block_error_handler(cmd
);
659 id
= cmd
->device
->id
;
660 lun
= cmd
->device
->lun
;
661 serial
= cmd
->serial_number
;
663 /* Check active list for command command. */
664 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
665 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
666 sp
= ha
->outstanding_cmds
[i
];
674 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
675 __func__
, ha
->host_no
, sp
, serial
));
676 DEBUG3(qla2x00_print_scsi_cmd(cmd
));
678 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
679 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
680 DEBUG2(printk("%s(%ld): abort_command "
681 "mbx failed.\n", __func__
, ha
->host_no
));
683 DEBUG3(printk("%s(%ld): abort_command "
684 "mbx success.\n", __func__
, ha
->host_no
));
687 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
691 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
693 /* Wait for the command to be returned. */
695 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
696 qla_printk(KERN_ERR
, ha
,
697 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
698 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
703 qla_printk(KERN_INFO
, ha
,
704 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
705 ha
->host_no
, id
, lun
, wait
, serial
, ret
);
710 /**************************************************************************
711 * qla2x00_eh_wait_for_pending_target_commands
714 * Waits for all the commands to come back from the specified target.
717 * ha - pointer to scsi_qla_host structure.
720 * Either SUCCESS or FAILED.
723 **************************************************************************/
725 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
730 struct scsi_cmnd
*cmd
;
736 * Waiting for all commands for the designated target in the active
739 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
740 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
741 sp
= ha
->outstanding_cmds
[cnt
];
744 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
745 if (cmd
->device
->id
== t
) {
746 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
752 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
759 /**************************************************************************
760 * qla2xxx_eh_device_reset
763 * The device reset function will reset the target and abort any
764 * executing commands.
766 * NOTE: The use of SP is undefined within this context. Do *NOT*
767 * attempt to use this value, even if you determine it is
771 * cmd = Linux SCSI command packet of the command that cause the
775 * SUCCESS/FAILURE (defined as macro in scsi.h).
777 **************************************************************************/
779 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
781 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
782 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
784 unsigned int id
, lun
;
785 unsigned long serial
;
787 qla2x00_block_error_handler(cmd
);
791 id
= cmd
->device
->id
;
792 lun
= cmd
->device
->lun
;
793 serial
= cmd
->serial_number
;
798 qla_printk(KERN_INFO
, ha
,
799 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
801 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
802 goto eh_dev_reset_done
;
804 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
805 if (qla2x00_device_reset(ha
, fcport
) == 0)
808 #if defined(LOGOUT_AFTER_DEVICE_RESET)
809 if (ret
== SUCCESS
) {
810 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
811 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
812 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
817 DEBUG2(printk(KERN_INFO
818 "%s failed: loop not ready\n",__func__
));
822 DEBUG3(printk("%s(%ld): device reset failed\n",
823 __func__
, ha
->host_no
));
824 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
827 goto eh_dev_reset_done
;
830 /* Flush outstanding commands. */
831 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
834 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
835 __func__
, ha
->host_no
));
836 qla_printk(KERN_INFO
, ha
,
837 "%s: failed while waiting for commands\n", __func__
);
839 qla_printk(KERN_INFO
, ha
,
840 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
846 /**************************************************************************
847 * qla2x00_eh_wait_for_pending_commands
850 * Waits for all the commands to come back from the specified host.
853 * ha - pointer to scsi_qla_host structure.
860 **************************************************************************/
862 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
867 struct scsi_cmnd
*cmd
;
873 * Waiting for all commands for the designated target in the active
876 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
877 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
878 sp
= ha
->outstanding_cmds
[cnt
];
881 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
882 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
887 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
894 /**************************************************************************
895 * qla2xxx_eh_bus_reset
898 * The bus reset function will reset the bus and abort any executing
902 * cmd = Linux SCSI command packet of the command that cause the
906 * SUCCESS/FAILURE (defined as macro in scsi.h).
908 **************************************************************************/
910 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
912 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
913 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
915 unsigned int id
, lun
;
916 unsigned long serial
;
918 qla2x00_block_error_handler(cmd
);
922 id
= cmd
->device
->id
;
923 lun
= cmd
->device
->lun
;
924 serial
= cmd
->serial_number
;
929 qla_printk(KERN_INFO
, ha
,
930 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
932 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
933 DEBUG2(printk("%s failed:board disabled\n",__func__
));
934 goto eh_bus_reset_done
;
937 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
938 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
942 goto eh_bus_reset_done
;
944 /* Flush outstanding commands. */
945 if (!qla2x00_eh_wait_for_pending_commands(ha
))
949 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
950 (ret
== FAILED
) ? "failed" : "succeded");
955 /**************************************************************************
956 * qla2xxx_eh_host_reset
959 * The reset function will reset the Adapter.
962 * cmd = Linux SCSI command packet of the command that cause the
966 * Either SUCCESS or FAILED.
969 **************************************************************************/
971 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
973 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
974 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
976 unsigned int id
, lun
;
977 unsigned long serial
;
979 qla2x00_block_error_handler(cmd
);
983 id
= cmd
->device
->id
;
984 lun
= cmd
->device
->lun
;
985 serial
= cmd
->serial_number
;
990 qla_printk(KERN_INFO
, ha
,
991 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
993 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
994 goto eh_host_reset_lock
;
997 * Fixme-may be dpc thread is active and processing
998 * loop_resync,so wait a while for it to
999 * be completed and then issue big hammer.Otherwise
1000 * it may cause I/O failure as big hammer marks the
1001 * devices as lost kicking of the port_down_timer
1002 * while dpc is stuck for the mailbox to complete.
1004 qla2x00_wait_for_loop_ready(ha
);
1005 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1006 if (qla2x00_abort_isp(ha
)) {
1007 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1008 /* failed. schedule dpc to try */
1009 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
1011 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
1012 goto eh_host_reset_lock
;
1014 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1016 /* Waiting for our command in done_queue to be returned to OS.*/
1017 if (qla2x00_eh_wait_for_pending_commands(ha
))
1021 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
1022 (ret
== FAILED
) ? "failed" : "succeded");
1028 * qla2x00_loop_reset
1032 * ha = adapter block pointer.
1038 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
1040 int status
= QLA_SUCCESS
;
1041 struct fc_port
*fcport
;
1043 if (ha
->flags
.enable_lip_reset
) {
1044 status
= qla2x00_lip_reset(ha
);
1047 if (status
== QLA_SUCCESS
&& ha
->flags
.enable_target_reset
) {
1048 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1049 if (fcport
->port_type
!= FCT_TARGET
)
1052 status
= qla2x00_device_reset(ha
, fcport
);
1053 if (status
!= QLA_SUCCESS
)
1058 if (status
== QLA_SUCCESS
&&
1059 ((!ha
->flags
.enable_target_reset
&&
1060 !ha
->flags
.enable_lip_reset
) ||
1061 ha
->flags
.enable_lip_full_login
)) {
1063 status
= qla2x00_full_login_lip(ha
);
1066 /* Issue marker command only when we are going to start the I/O */
1067 ha
->marker_needed
= 1;
1071 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1076 DEBUG3(printk("%s(%ld): exiting normally.\n",
1085 * qla2x00_device_reset
1086 * Issue bus device reset message to the target.
1089 * ha = adapter block pointer.
1091 * TARGET_QUEUE_LOCK must be released.
1092 * ADAPTER_STATE_LOCK must be released.
1098 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1100 /* Abort Target command will clear Reservation */
1101 return ha
->isp_ops
.abort_target(reset_fcport
);
1105 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1107 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1109 if (!rport
|| fc_remote_port_chkready(rport
))
1112 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1118 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1120 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1121 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1123 if (sdev
->tagged_supported
)
1124 scsi_activate_tcq(sdev
, ha
->max_q_depth
);
1126 scsi_deactivate_tcq(sdev
, ha
->max_q_depth
);
1128 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1134 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1136 sdev
->hostdata
= NULL
;
1140 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1142 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1143 return sdev
->queue_depth
;
1147 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1149 if (sdev
->tagged_supported
) {
1150 scsi_set_tag_type(sdev
, tag_type
);
1152 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1154 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1162 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1165 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1166 * supported addressing method.
1169 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1171 /* Assume a 32bit DMA mask. */
1172 ha
->flags
.enable_64bit_addressing
= 0;
1174 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1175 /* Any upper-dword bits set? */
1176 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1177 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1178 /* Ok, a 64bit DMA mask is applicable. */
1179 ha
->flags
.enable_64bit_addressing
= 1;
1180 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1181 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1186 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1187 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1191 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1193 ha
->device_type
= DT_EXTENDED_IDS
;
1194 switch (ha
->pdev
->device
) {
1195 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1196 ha
->device_type
|= DT_ISP2100
;
1197 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1198 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1200 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1201 ha
->device_type
|= DT_ISP2200
;
1202 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1203 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1205 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1206 ha
->device_type
|= DT_ISP2300
;
1207 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1208 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1210 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1211 ha
->device_type
|= DT_ISP2312
;
1212 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1213 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1215 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1216 ha
->device_type
|= DT_ISP2322
;
1217 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1218 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1219 ha
->pdev
->subsystem_device
== 0x0170)
1220 ha
->device_type
|= DT_OEM_001
;
1221 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1223 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1224 ha
->device_type
|= DT_ISP6312
;
1225 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1227 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1228 ha
->device_type
|= DT_ISP6322
;
1229 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1231 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1232 ha
->device_type
|= DT_ISP2422
;
1233 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1234 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1236 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1237 ha
->device_type
|= DT_ISP2432
;
1238 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1239 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1241 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1242 ha
->device_type
|= DT_ISP5422
;
1243 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1245 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1246 ha
->device_type
|= DT_ISP5432
;
1247 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1253 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1255 unsigned long pio
, pio_len
, pio_flags
;
1256 unsigned long mmio
, mmio_len
, mmio_flags
;
1258 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1259 pio
= pci_resource_start(ha
->pdev
, 0);
1260 pio_len
= pci_resource_len(ha
->pdev
, 0);
1261 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1262 if (pio_flags
& IORESOURCE_IO
) {
1263 if (pio_len
< MIN_IOBASE_LEN
) {
1264 qla_printk(KERN_WARNING
, ha
,
1265 "Invalid PCI I/O region size (%s)...\n",
1266 pci_name(ha
->pdev
));
1270 qla_printk(KERN_WARNING
, ha
,
1271 "region #0 not a PIO resource (%s)...\n",
1272 pci_name(ha
->pdev
));
1276 /* Use MMIO operations for all accesses. */
1277 mmio
= pci_resource_start(ha
->pdev
, 1);
1278 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1279 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1281 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1282 qla_printk(KERN_ERR
, ha
,
1283 "region #0 not an MMIO resource (%s), aborting\n",
1284 pci_name(ha
->pdev
));
1285 goto iospace_error_exit
;
1287 if (mmio_len
< MIN_IOBASE_LEN
) {
1288 qla_printk(KERN_ERR
, ha
,
1289 "Invalid PCI mem region size (%s), aborting\n",
1290 pci_name(ha
->pdev
));
1291 goto iospace_error_exit
;
1294 if (pci_request_regions(ha
->pdev
, QLA2XXX_DRIVER_NAME
)) {
1295 qla_printk(KERN_WARNING
, ha
,
1296 "Failed to reserve PIO/MMIO regions (%s)\n",
1297 pci_name(ha
->pdev
));
1299 goto iospace_error_exit
;
1302 ha
->pio_address
= pio
;
1303 ha
->pio_length
= pio_len
;
1304 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1306 qla_printk(KERN_ERR
, ha
,
1307 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1309 goto iospace_error_exit
;
1319 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1321 unsigned long flags
= 0;
1322 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1324 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1325 ha
->interrupts_on
= 1;
1326 /* enable risc and host interrupts */
1327 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1328 RD_REG_WORD(®
->ictrl
);
1329 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1334 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1336 unsigned long flags
= 0;
1337 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1339 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1340 ha
->interrupts_on
= 0;
1341 /* disable risc and host interrupts */
1342 WRT_REG_WORD(®
->ictrl
, 0);
1343 RD_REG_WORD(®
->ictrl
);
1344 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1348 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1350 unsigned long flags
= 0;
1351 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1353 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1354 ha
->interrupts_on
= 1;
1355 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1356 RD_REG_DWORD(®
->ictrl
);
1357 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1361 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1363 unsigned long flags
= 0;
1364 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1366 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1367 ha
->interrupts_on
= 0;
1368 WRT_REG_DWORD(®
->ictrl
, 0);
1369 RD_REG_DWORD(®
->ictrl
);
1370 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1374 qla2xxx_scan_start(struct Scsi_Host
*shost
)
1376 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1378 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
1379 set_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
1380 set_bit(RSCN_UPDATE
, &ha
->dpc_flags
);
1384 qla2xxx_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1386 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1390 if (time
> ha
->loop_reset_delay
* HZ
)
1393 return atomic_read(&ha
->loop_state
) == LOOP_READY
;
1397 * PCI driver interface
1399 static int __devinit
1400 qla2x00_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1403 device_reg_t __iomem
*reg
;
1404 struct Scsi_Host
*host
;
1405 scsi_qla_host_t
*ha
;
1406 unsigned long flags
= 0;
1409 struct scsi_host_template
*sht
;
1411 if (pci_enable_device(pdev
))
1414 sht
= &qla2x00_driver_template
;
1415 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1416 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
)
1417 sht
= &qla24xx_driver_template
;
1418 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1421 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1422 goto probe_disable_device
;
1425 /* Clear our data area */
1426 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1427 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1431 ha
->host_no
= host
->host_no
;
1432 sprintf(ha
->host_str
, "%s_%ld", QLA2XXX_DRIVER_NAME
, ha
->host_no
);
1434 /* Set ISP-type information. */
1435 qla2x00_set_isp_flags(ha
);
1437 /* Configure PCI I/O space */
1438 ret
= qla2x00_iospace_config(ha
);
1442 qla_printk(KERN_INFO
, ha
,
1443 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1446 spin_lock_init(&ha
->hardware_lock
);
1448 ha
->prev_topology
= 0;
1449 ha
->init_cb_size
= sizeof(init_cb_t
);
1450 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1451 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
1452 ha
->optrom_size
= OPTROM_SIZE_2300
;
1454 ha
->max_q_depth
= MAX_Q_DEPTH
;
1455 if (ql2xmaxqdepth
!= 0 && ql2xmaxqdepth
<= 0xffffU
)
1456 ha
->max_q_depth
= ql2xmaxqdepth
;
1458 /* Assign ISP specific operations. */
1459 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1460 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1461 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1462 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1463 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1464 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1465 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1466 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1467 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1468 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1469 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1470 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1471 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1472 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1473 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1474 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1475 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1476 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1477 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1478 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1479 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1480 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1481 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1482 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1483 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1484 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1485 if (IS_QLA2100(ha
)) {
1486 host
->max_id
= MAX_TARGETS_2100
;
1487 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1488 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1489 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1490 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1491 host
->sg_tablesize
= 32;
1492 ha
->gid_list_info_size
= 4;
1493 } else if (IS_QLA2200(ha
)) {
1494 host
->max_id
= MAX_TARGETS_2200
;
1495 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1496 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1497 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1498 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1499 ha
->gid_list_info_size
= 4;
1500 } else if (IS_QLA23XX(ha
)) {
1501 host
->max_id
= MAX_TARGETS_2200
;
1502 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1503 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1504 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1505 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1506 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1507 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1508 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1509 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1510 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1511 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1512 ha
->gid_list_info_size
= 6;
1513 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1514 ha
->optrom_size
= OPTROM_SIZE_2322
;
1515 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1516 host
->max_id
= MAX_TARGETS_2200
;
1517 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1518 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1519 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1520 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1521 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1522 ha
->mgmt_svr_loop_id
= 10;
1523 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1524 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1525 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1526 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1527 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1528 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1529 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1530 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1531 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1532 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1533 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1534 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1535 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1536 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1537 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1538 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1539 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1540 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1541 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1542 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1543 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1544 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1545 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1546 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1547 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1548 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1549 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1550 ha
->gid_list_info_size
= 8;
1551 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1553 host
->can_queue
= ha
->request_q_length
+ 128;
1555 /* load the F/W, read paramaters, and init the H/W */
1556 ha
->instance
= num_hosts
;
1558 init_MUTEX(&ha
->mbx_cmd_sem
);
1559 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1561 INIT_LIST_HEAD(&ha
->list
);
1562 INIT_LIST_HEAD(&ha
->fcports
);
1565 * These locks are used to prevent more than one CPU
1566 * from modifying the queue at the same time. The
1567 * higher level "host_lock" will reduce most
1568 * contention for these locks.
1570 spin_lock_init(&ha
->mbx_reg_lock
);
1572 qla2x00_config_dma_addressing(ha
);
1573 if (qla2x00_mem_alloc(ha
)) {
1574 qla_printk(KERN_WARNING
, ha
,
1575 "[ERROR] Failed to allocate memory for adapter\n");
1581 if (qla2x00_initialize_adapter(ha
) &&
1582 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1584 qla_printk(KERN_WARNING
, ha
,
1585 "Failed to initialize adapter\n");
1587 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1588 "Adapter flags %x.\n",
1589 ha
->host_no
, ha
->device_flags
));
1596 * Startup the kernel thread for this host adapter
1598 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1599 "%s_dpc", ha
->host_str
);
1600 if (IS_ERR(ha
->dpc_thread
)) {
1601 qla_printk(KERN_WARNING
, ha
,
1602 "Unable to start DPC thread!\n");
1603 ret
= PTR_ERR(ha
->dpc_thread
);
1607 host
->this_id
= 255;
1608 host
->cmd_per_lun
= 3;
1609 host
->unique_id
= ha
->instance
;
1610 host
->max_cmd_len
= MAX_CMDSZ
;
1611 host
->max_channel
= MAX_BUSES
- 1;
1612 host
->max_lun
= MAX_LUNS
;
1613 host
->transportt
= qla2xxx_transport_template
;
1615 ret
= request_irq(pdev
->irq
, ha
->isp_ops
.intr_handler
,
1616 IRQF_DISABLED
|IRQF_SHARED
, QLA2XXX_DRIVER_NAME
, ha
);
1618 qla_printk(KERN_WARNING
, ha
,
1619 "Failed to reserve interrupt %d already in use.\n",
1623 host
->irq
= pdev
->irq
;
1625 /* Initialized the timer */
1626 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1628 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1631 ha
->isp_ops
.disable_intrs(ha
);
1633 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1635 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1636 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1637 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1639 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1640 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1641 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1643 /* Enable proper parity */
1644 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1647 WRT_REG_WORD(®
->isp
.hccr
,
1648 (HCCR_ENABLE_PARITY
+ 0x1));
1650 /* SRAM, Instruction RAM and GP RAM parity */
1651 WRT_REG_WORD(®
->isp
.hccr
,
1652 (HCCR_ENABLE_PARITY
+ 0x7));
1655 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1657 ha
->isp_ops
.enable_intrs(ha
);
1659 pci_set_drvdata(pdev
, ha
);
1661 ha
->flags
.init_done
= 1;
1662 ha
->flags
.online
= 1;
1666 ret
= scsi_add_host(host
, &pdev
->dev
);
1670 scsi_scan_host(host
);
1672 qla2x00_alloc_sysfs_attr(ha
);
1674 qla2x00_init_host_attr(ha
);
1676 qla_printk(KERN_INFO
, ha
, "\n"
1677 " QLogic Fibre Channel HBA Driver: %s\n"
1679 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1680 qla2x00_version_str
, ha
->model_number
,
1681 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1682 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1683 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1684 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1689 qla2x00_free_device(ha
);
1691 scsi_host_put(host
);
1693 probe_disable_device
:
1694 pci_disable_device(pdev
);
1700 static void __devexit
1701 qla2x00_remove_one(struct pci_dev
*pdev
)
1703 scsi_qla_host_t
*ha
;
1705 ha
= pci_get_drvdata(pdev
);
1707 qla2x00_free_sysfs_attr(ha
);
1709 fc_remove_host(ha
->host
);
1711 scsi_remove_host(ha
->host
);
1713 qla2x00_free_device(ha
);
1715 scsi_host_put(ha
->host
);
1717 pci_set_drvdata(pdev
, NULL
);
1721 qla2x00_free_device(scsi_qla_host_t
*ha
)
1724 if (ha
->timer_active
)
1725 qla2x00_stop_timer(ha
);
1727 /* Kill the kernel thread for this host */
1728 if (ha
->dpc_thread
) {
1729 struct task_struct
*t
= ha
->dpc_thread
;
1732 * qla2xxx_wake_dpc checks for ->dpc_thread
1733 * so we need to zero it out.
1735 ha
->dpc_thread
= NULL
;
1740 qla2x00_trace_control(ha
, TC_DISABLE
, 0, 0);
1742 ha
->flags
.online
= 0;
1744 /* Stop currently executing firmware. */
1745 qla2x00_try_to_stop_firmware(ha
);
1747 /* turn-off interrupts on the card */
1748 if (ha
->interrupts_on
)
1749 ha
->isp_ops
.disable_intrs(ha
);
1751 qla2x00_mem_free(ha
);
1753 /* Detach interrupts */
1755 free_irq(ha
->host
->irq
, ha
);
1757 /* release io space registers */
1759 iounmap(ha
->iobase
);
1760 pci_release_regions(ha
->pdev
);
1762 pci_disable_device(ha
->pdev
);
1766 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1769 unsigned long flags
;
1770 struct fc_rport
*rport
;
1775 rport
= fcport
->rport
;
1777 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1778 fcport
->drport
= rport
;
1779 fcport
->rport
= NULL
;
1780 *(fc_port_t
**)rport
->dd_data
= NULL
;
1781 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1782 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1784 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1785 fcport
->rport
= NULL
;
1786 *(fc_port_t
**)rport
->dd_data
= NULL
;
1787 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1788 fc_remote_port_delete(rport
);
1793 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1795 * Input: ha = adapter block pointer. fcport = port structure pointer.
1801 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1802 int do_login
, int defer
)
1804 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1805 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1808 * We may need to retry the login, so don't change the state of the
1809 * port but do the retries.
1811 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1812 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1817 if (fcport
->login_retry
== 0) {
1818 fcport
->login_retry
= ha
->login_retry_count
;
1819 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1821 DEBUG(printk("scsi(%ld): Port login retry: "
1822 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1823 "id = 0x%04x retry cnt=%d\n",
1825 fcport
->port_name
[0],
1826 fcport
->port_name
[1],
1827 fcport
->port_name
[2],
1828 fcport
->port_name
[3],
1829 fcport
->port_name
[4],
1830 fcport
->port_name
[5],
1831 fcport
->port_name
[6],
1832 fcport
->port_name
[7],
1834 fcport
->login_retry
));
1839 * qla2x00_mark_all_devices_lost
1840 * Updates fcport state when device goes offline.
1843 * ha = adapter block pointer.
1844 * fcport = port structure pointer.
1852 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1856 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1857 if (fcport
->port_type
!= FCT_TARGET
)
1861 * No point in marking the device as lost, if the device is
1864 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1866 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1867 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1868 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1872 qla2xxx_wake_dpc(ha
);
1877 * Allocates adapter memory.
1884 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1892 * This will loop only once if everything goes well, else some
1893 * number of retries will be performed to get around a kernel
1894 * bug where available mem is not allocated until after a
1895 * little delay and a retry.
1897 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1898 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1899 &ha
->request_dma
, GFP_KERNEL
);
1900 if (ha
->request_ring
== NULL
) {
1901 qla_printk(KERN_WARNING
, ha
,
1902 "Memory Allocation failed - request_ring\n");
1904 qla2x00_mem_free(ha
);
1910 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1911 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1912 &ha
->response_dma
, GFP_KERNEL
);
1913 if (ha
->response_ring
== NULL
) {
1914 qla_printk(KERN_WARNING
, ha
,
1915 "Memory Allocation failed - response_ring\n");
1917 qla2x00_mem_free(ha
);
1923 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1924 &ha
->gid_list_dma
, GFP_KERNEL
);
1925 if (ha
->gid_list
== NULL
) {
1926 qla_printk(KERN_WARNING
, ha
,
1927 "Memory Allocation failed - gid_list\n");
1929 qla2x00_mem_free(ha
);
1935 snprintf(name
, sizeof(name
), "%s_%ld", QLA2XXX_DRIVER_NAME
,
1937 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1938 DMA_POOL_SIZE
, 8, 0);
1939 if (ha
->s_dma_pool
== NULL
) {
1940 qla_printk(KERN_WARNING
, ha
,
1941 "Memory Allocation failed - s_dma_pool\n");
1943 qla2x00_mem_free(ha
);
1949 /* get consistent memory allocated for init control block */
1950 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1952 if (ha
->init_cb
== NULL
) {
1953 qla_printk(KERN_WARNING
, ha
,
1954 "Memory Allocation failed - init_cb\n");
1956 qla2x00_mem_free(ha
);
1961 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1963 if (qla2x00_allocate_sp_pool(ha
)) {
1964 qla_printk(KERN_WARNING
, ha
,
1965 "Memory Allocation failed - "
1966 "qla2x00_allocate_sp_pool()\n");
1968 qla2x00_mem_free(ha
);
1974 /* Allocate memory for SNS commands */
1975 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1976 /* Get consistent memory allocated for SNS commands */
1977 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1978 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1980 if (ha
->sns_cmd
== NULL
) {
1982 qla_printk(KERN_WARNING
, ha
,
1983 "Memory Allocation failed - sns_cmd\n");
1985 qla2x00_mem_free(ha
);
1990 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1992 /* Get consistent memory allocated for MS IOCB */
1993 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1995 if (ha
->ms_iocb
== NULL
) {
1997 qla_printk(KERN_WARNING
, ha
,
1998 "Memory Allocation failed - ms_iocb\n");
2000 qla2x00_mem_free(ha
);
2005 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
2008 * Get consistent memory allocated for CT SNS
2011 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
2012 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
2014 if (ha
->ct_sns
== NULL
) {
2016 qla_printk(KERN_WARNING
, ha
,
2017 "Memory Allocation failed - ct_sns\n");
2019 qla2x00_mem_free(ha
);
2024 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
2026 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2028 * Get consistent memory allocated for SFP
2031 ha
->sfp_data
= dma_pool_alloc(ha
->s_dma_pool
,
2032 GFP_KERNEL
, &ha
->sfp_data_dma
);
2033 if (ha
->sfp_data
== NULL
) {
2034 qla_printk(KERN_WARNING
, ha
,
2035 "Memory Allocation failed - "
2038 qla2x00_mem_free(ha
);
2043 memset(ha
->sfp_data
, 0, SFP_BLOCK_SIZE
);
2047 /* Done all allocations without any error. */
2050 } while (retry
-- && status
!= 0);
2054 "%s(): **** FAILED ****\n", __func__
);
2062 * Frees all adapter allocated memory.
2065 * ha = adapter block pointer.
2068 qla2x00_mem_free(scsi_qla_host_t
*ha
)
2070 struct list_head
*fcpl
, *fcptemp
;
2075 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2080 qla2x00_free_sp_pool(ha
);
2084 dma_free_coherent(&ha
->pdev
->dev
,
2085 ntohl(ha
->fw_dump
->eft_size
), ha
->eft
, ha
->eft_dma
);
2090 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2091 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2094 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2095 ha
->ct_sns
, ha
->ct_sns_dma
);
2098 dma_pool_free(ha
->s_dma_pool
, ha
->sfp_data
, ha
->sfp_data_dma
);
2101 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2104 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2107 dma_pool_destroy(ha
->s_dma_pool
);
2110 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2113 if (ha
->response_ring
)
2114 dma_free_coherent(&ha
->pdev
->dev
,
2115 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2116 ha
->response_ring
, ha
->response_dma
);
2118 if (ha
->request_ring
)
2119 dma_free_coherent(&ha
->pdev
->dev
,
2120 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2121 ha
->request_ring
, ha
->request_dma
);
2126 ha
->sns_cmd_dma
= 0;
2130 ha
->ms_iocb_dma
= 0;
2132 ha
->init_cb_dma
= 0;
2134 ha
->s_dma_pool
= NULL
;
2136 ha
->gid_list
= NULL
;
2137 ha
->gid_list_dma
= 0;
2139 ha
->response_ring
= NULL
;
2140 ha
->response_dma
= 0;
2141 ha
->request_ring
= NULL
;
2142 ha
->request_dma
= 0;
2144 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2145 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2148 list_del_init(&fcport
->list
);
2151 INIT_LIST_HEAD(&ha
->fcports
);
2155 ha
->fw_dump_reading
= 0;
2157 vfree(ha
->optrom_buffer
);
2161 * qla2x00_allocate_sp_pool
2162 * This routine is called during initialization to allocate
2163 * memory for local srb_t.
2166 * ha = adapter block pointer.
2172 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2177 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2178 if (ha
->srb_mempool
== NULL
) {
2179 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2180 rval
= QLA_FUNCTION_FAILED
;
2186 * This routine frees all adapter allocated memory.
2190 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2192 if (ha
->srb_mempool
) {
2193 mempool_destroy(ha
->srb_mempool
);
2194 ha
->srb_mempool
= NULL
;
2198 /**************************************************************************
2200 * This kernel thread is a task that is schedule by the interrupt handler
2201 * to perform the background processing for interrupts.
2204 * This task always run in the context of a kernel thread. It
2205 * is kick-off by the driver's detect code and starts up
2206 * up one per adapter. It immediately goes to sleep and waits for
2207 * some fibre event. When either the interrupt handler or
2208 * the timer routine detects a event it will one of the task
2209 * bits then wake us up.
2210 **************************************************************************/
2212 qla2x00_do_dpc(void *data
)
2214 scsi_qla_host_t
*ha
;
2217 uint16_t next_loopid
;
2219 ha
= (scsi_qla_host_t
*)data
;
2221 set_user_nice(current
, -20);
2223 while (!kthread_should_stop()) {
2224 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2226 set_current_state(TASK_INTERRUPTIBLE
);
2228 __set_current_state(TASK_RUNNING
);
2230 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2232 /* Initialization not yet finished. Don't do anything yet. */
2233 if (!ha
->flags
.init_done
)
2236 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2240 if (ha
->flags
.mbox_busy
) {
2245 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2247 DEBUG(printk("scsi(%ld): dpc: sched "
2248 "qla2x00_abort_isp ha = %p\n",
2250 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2253 if (qla2x00_abort_isp(ha
)) {
2254 /* failed. retry later */
2255 set_bit(ISP_ABORT_NEEDED
,
2258 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2260 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2264 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2265 qla2x00_update_fcports(ha
);
2267 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2268 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2270 qla2x00_loop_reset(ha
);
2273 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2274 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2276 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2279 qla2x00_rst_aen(ha
);
2280 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2283 /* Retry each device up to login retry count */
2284 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2285 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2286 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2288 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2292 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2294 * If the port is not ONLINE then try to login
2295 * to it if we haven't run out of retries.
2297 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2298 fcport
->login_retry
) {
2300 fcport
->login_retry
--;
2301 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2304 ha
->isp_ops
.fabric_logout(
2305 ha
, fcport
->loop_id
,
2306 fcport
->d_id
.b
.domain
,
2307 fcport
->d_id
.b
.area
,
2308 fcport
->d_id
.b
.al_pa
);
2309 status
= qla2x00_fabric_login(
2310 ha
, fcport
, &next_loopid
);
2313 qla2x00_local_device_login(
2316 if (status
== QLA_SUCCESS
) {
2317 fcport
->old_loop_id
= fcport
->loop_id
;
2319 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2320 ha
->host_no
, fcport
->loop_id
));
2322 qla2x00_update_fcport(ha
,
2324 } else if (status
== 1) {
2325 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2326 /* retry the login again */
2327 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2329 fcport
->login_retry
, fcport
->loop_id
));
2331 fcport
->login_retry
= 0;
2334 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2337 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2341 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2342 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2344 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2345 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2348 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2350 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2354 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2356 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2359 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2362 qla2x00_loop_resync(ha
);
2364 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2367 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2371 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2373 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2376 qla2x00_rescan_fcports(ha
);
2378 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2383 if (!ha
->interrupts_on
)
2384 ha
->isp_ops
.enable_intrs(ha
);
2386 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2387 ha
->isp_ops
.beacon_blink(ha
);
2390 } /* End of while(1) */
2392 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2395 * Make sure that nobody tries to wake us up again.
2403 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2406 wake_up_process(ha
->dpc_thread
);
2411 * Processes asynchronous reset.
2414 * ha = adapter block pointer.
2417 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2419 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2420 !atomic_read(&ha
->loop_down_timer
) &&
2421 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2423 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2426 * Issue marker command only when we are going to start
2429 ha
->marker_needed
= 1;
2430 } while (!atomic_read(&ha
->loop_down_timer
) &&
2431 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2436 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2438 struct scsi_cmnd
*cmd
= sp
->cmd
;
2440 if (sp
->flags
& SRB_DMA_VALID
) {
2442 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2443 cmd
->use_sg
, cmd
->sc_data_direction
);
2444 } else if (cmd
->request_bufflen
) {
2445 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2446 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2448 sp
->flags
&= ~SRB_DMA_VALID
;
2454 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2456 struct scsi_cmnd
*cmd
= sp
->cmd
;
2458 qla2x00_sp_free_dma(ha
, sp
);
2460 mempool_free(sp
, ha
->srb_mempool
);
2462 cmd
->scsi_done(cmd
);
2465 /**************************************************************************
2471 * Context: Interrupt
2472 ***************************************************************************/
2474 qla2x00_timer(scsi_qla_host_t
*ha
)
2476 unsigned long cpu_flags
= 0;
2484 * Ports - Port down timer.
2486 * Whenever, a port is in the LOST state we start decrementing its port
2487 * down timer every second until it reaches zero. Once it reaches zero
2488 * the port it marked DEAD.
2491 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2492 if (fcport
->port_type
!= FCT_TARGET
)
2495 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2497 if (atomic_read(&fcport
->port_down_timer
) == 0)
2500 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2501 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2503 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2506 t
, atomic_read(&fcport
->port_down_timer
)));
2509 } /* End of for fcport */
2512 /* Loop down handler. */
2513 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2514 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2516 if (atomic_read(&ha
->loop_down_timer
) ==
2517 ha
->loop_down_abort_time
) {
2519 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2520 "queues before time expire\n",
2523 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2524 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2526 /* Schedule an ISP abort to return any tape commands. */
2527 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2528 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2532 sp
= ha
->outstanding_cmds
[index
];
2536 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2539 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2542 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2544 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2548 /* if the loop has been down for 4 minutes, reinit adapter */
2549 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2550 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2551 "restarting queues.\n",
2554 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2557 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2558 DEBUG(printk("scsi(%ld): Loop down - "
2561 qla_printk(KERN_WARNING
, ha
,
2562 "Loop down - aborting ISP.\n");
2564 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2567 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2569 atomic_read(&ha
->loop_down_timer
)));
2572 /* Check if beacon LED needs to be blinked */
2573 if (ha
->beacon_blink_led
== 1) {
2574 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2578 /* Schedule the DPC routine if needed */
2579 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2580 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2581 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2582 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2584 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2585 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2586 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2587 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2588 qla2xxx_wake_dpc(ha
);
2590 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2593 /* XXX(hch): crude hack to emulate a down_timeout() */
2595 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2597 const unsigned int step
= 100; /* msecs */
2598 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2601 if (!down_trylock(sema
))
2603 if (msleep_interruptible(step
))
2605 } while (--iterations
>= 0);
2610 /* Firmware interface routines. */
2613 #define FW_ISP21XX 0
2614 #define FW_ISP22XX 1
2615 #define FW_ISP2300 2
2616 #define FW_ISP2322 3
2617 #define FW_ISP24XX 4
2619 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2620 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2621 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2622 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2623 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2625 static DECLARE_MUTEX(qla_fw_lock
);
2627 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2628 { .name
= FW_FILE_ISP21XX
, .segs
= { 0x1000, 0 }, },
2629 { .name
= FW_FILE_ISP22XX
, .segs
= { 0x1000, 0 }, },
2630 { .name
= FW_FILE_ISP2300
, .segs
= { 0x800, 0 }, },
2631 { .name
= FW_FILE_ISP2322
, .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2632 { .name
= FW_FILE_ISP24XX
, },
2636 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2638 struct fw_blob
*blob
;
2641 if (IS_QLA2100(ha
)) {
2642 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2643 } else if (IS_QLA2200(ha
)) {
2644 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2645 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2646 blob
= &qla_fw_blobs
[FW_ISP2300
];
2647 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2648 blob
= &qla_fw_blobs
[FW_ISP2322
];
2649 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2650 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2657 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2658 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2659 "(%s).\n", ha
->host_no
, blob
->name
));
2671 qla2x00_release_firmware(void)
2676 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2677 if (qla_fw_blobs
[idx
].fw
)
2678 release_firmware(qla_fw_blobs
[idx
].fw
);
2682 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2683 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
) },
2684 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
) },
2685 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
) },
2686 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
) },
2687 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
) },
2688 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
) },
2689 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
) },
2690 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
) },
2691 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
) },
2692 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
) },
2693 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
) },
2696 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2698 static struct pci_driver qla2xxx_pci_driver
= {
2699 .name
= QLA2XXX_DRIVER_NAME
,
2701 .owner
= THIS_MODULE
,
2703 .id_table
= qla2xxx_pci_tbl
,
2704 .probe
= qla2x00_probe_one
,
2705 .remove
= __devexit_p(qla2x00_remove_one
),
2709 * qla2x00_module_init - Module initialization.
2712 qla2x00_module_init(void)
2716 /* Allocate cache for SRBs. */
2717 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2718 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2719 if (srb_cachep
== NULL
) {
2721 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2725 /* Derive version string. */
2726 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2727 if (ql2xextended_error_logging
)
2728 strcat(qla2x00_version_str
, "-debug");
2730 qla2xxx_transport_template
=
2731 fc_attach_transport(&qla2xxx_transport_functions
);
2732 if (!qla2xxx_transport_template
)
2735 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2736 ret
= pci_register_driver(&qla2xxx_pci_driver
);
2738 kmem_cache_destroy(srb_cachep
);
2739 fc_release_transport(qla2xxx_transport_template
);
2745 * qla2x00_module_exit - Module cleanup.
2748 qla2x00_module_exit(void)
2750 pci_unregister_driver(&qla2xxx_pci_driver
);
2751 qla2x00_release_firmware();
2752 kmem_cache_destroy(srb_cachep
);
2753 fc_release_transport(qla2xxx_transport_template
);
2756 module_init(qla2x00_module_init
);
2757 module_exit(qla2x00_module_exit
);
2759 MODULE_AUTHOR("QLogic Corporation");
2760 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2761 MODULE_LICENSE("GPL");
2762 MODULE_VERSION(QLA2XXX_VERSION
);
2763 MODULE_FIRMWARE(FW_FILE_ISP21XX
);
2764 MODULE_FIRMWARE(FW_FILE_ISP22XX
);
2765 MODULE_FIRMWARE(FW_FILE_ISP2300
);
2766 MODULE_FIRMWARE(FW_FILE_ISP2322
);
2767 MODULE_FIRMWARE(FW_FILE_ISP24XX
);