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 struct kmem_cache
*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 .scan_finished
= qla2xxx_scan_finished
,
161 .scan_start
= qla2xxx_scan_start
,
162 .change_queue_depth
= qla2x00_change_queue_depth
,
163 .change_queue_type
= qla2x00_change_queue_type
,
166 .use_clustering
= ENABLE_CLUSTERING
,
167 .sg_tablesize
= SG_ALL
,
169 .max_sectors
= 0xFFFF,
170 .shost_attrs
= qla2x00_host_attrs
,
173 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
175 /* TODO Convert to inlines
179 #define WATCH_INTERVAL 1 /* number of seconds */
181 static void qla2x00_timer(scsi_qla_host_t
*);
183 static __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
184 void *, unsigned long);
185 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
186 static __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
189 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
191 init_timer(&ha
->timer
);
192 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
193 ha
->timer
.data
= (unsigned long)ha
;
194 ha
->timer
.function
= (void (*)(unsigned long))func
;
195 add_timer(&ha
->timer
);
196 ha
->timer_active
= 1;
200 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
202 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
205 static __inline__
void
206 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
208 del_timer_sync(&ha
->timer
);
209 ha
->timer_active
= 0;
212 static int qla2x00_do_dpc(void *data
);
214 static void qla2x00_rst_aen(scsi_qla_host_t
*);
216 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
217 static void qla2x00_mem_free(scsi_qla_host_t
*ha
);
218 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
219 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
220 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
221 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
223 /* -------------------------------------------------------------------------- */
226 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
228 static char *pci_bus_modes
[] = {
229 "33", "66", "100", "133",
234 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
237 strcat(str
, pci_bus_modes
[pci_bus
]);
239 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
241 strcat(str
, pci_bus_modes
[pci_bus
]);
243 strcat(str
, " MHz)");
249 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
251 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
255 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
258 uint16_t pcie_lstat
, lspeed
, lwidth
;
261 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
262 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
263 lwidth
= (pcie_lstat
&
264 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
266 strcpy(str
, "PCIe (");
268 strcat(str
, "2.5Gb/s ");
270 strcat(str
, "<unknown> ");
271 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
278 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
279 if (pci_bus
== 0 || pci_bus
== 8) {
281 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
285 strcat(str
, "Mode 2");
287 strcat(str
, "Mode 1");
289 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
291 strcat(str
, " MHz)");
297 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
301 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
302 ha
->fw_minor_version
,
303 ha
->fw_subminor_version
);
305 if (ha
->fw_attributes
& BIT_9
) {
310 switch (ha
->fw_attributes
& 0xFF) {
324 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
328 if (ha
->fw_attributes
& 0x100)
335 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
337 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
338 ha
->fw_minor_version
,
339 ha
->fw_subminor_version
);
341 if (ha
->fw_attributes
& BIT_0
)
342 strcat(str
, "[Class 2] ");
343 if (ha
->fw_attributes
& BIT_1
)
344 strcat(str
, "[IP] ");
345 if (ha
->fw_attributes
& BIT_2
)
346 strcat(str
, "[Multi-ID] ");
347 if (ha
->fw_attributes
& BIT_13
)
348 strcat(str
, "[Experimental]");
352 static inline srb_t
*
353 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
354 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
358 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
366 CMD_SP(cmd
) = (void *)sp
;
367 cmd
->scsi_done
= done
;
373 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
375 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
376 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
377 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
381 rval
= fc_remote_port_chkready(rport
);
384 goto qc_fail_command
;
387 /* Close window on fcport/rport state-transitioning. */
388 if (!*(fc_port_t
**)rport
->dd_data
) {
389 cmd
->result
= DID_IMM_RETRY
<< 16;
390 goto qc_fail_command
;
393 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
394 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
395 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
396 cmd
->result
= DID_NO_CONNECT
<< 16;
397 goto qc_fail_command
;
402 spin_unlock_irq(ha
->host
->host_lock
);
404 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
406 goto qc_host_busy_lock
;
408 rval
= qla2x00_start_scsi(sp
);
409 if (rval
!= QLA_SUCCESS
)
410 goto qc_host_busy_free_sp
;
412 spin_lock_irq(ha
->host
->host_lock
);
416 qc_host_busy_free_sp
:
417 qla2x00_sp_free_dma(ha
, sp
);
418 mempool_free(sp
, ha
->srb_mempool
);
421 spin_lock_irq(ha
->host
->host_lock
);
424 return SCSI_MLQUEUE_HOST_BUSY
;
434 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
436 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
437 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
438 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
442 rval
= fc_remote_port_chkready(rport
);
445 goto qc24_fail_command
;
448 /* Close window on fcport/rport state-transitioning. */
449 if (!*(fc_port_t
**)rport
->dd_data
) {
450 cmd
->result
= DID_IMM_RETRY
<< 16;
451 goto qc24_fail_command
;
454 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
455 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
456 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
457 cmd
->result
= DID_NO_CONNECT
<< 16;
458 goto qc24_fail_command
;
463 spin_unlock_irq(ha
->host
->host_lock
);
465 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
467 goto qc24_host_busy_lock
;
469 rval
= qla24xx_start_scsi(sp
);
470 if (rval
!= QLA_SUCCESS
)
471 goto qc24_host_busy_free_sp
;
473 spin_lock_irq(ha
->host
->host_lock
);
477 qc24_host_busy_free_sp
:
478 qla2x00_sp_free_dma(ha
, sp
);
479 mempool_free(sp
, ha
->srb_mempool
);
482 spin_lock_irq(ha
->host
->host_lock
);
485 return SCSI_MLQUEUE_HOST_BUSY
;
495 * qla2x00_eh_wait_on_command
496 * Waits for the command to be returned by the Firmware for some
500 * ha = actual ha whose done queue will contain the command
501 * returned by firmware.
502 * cmd = Scsi Command to wait on.
503 * flag = Abort/Reset(Bus or Device Reset)
510 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
512 #define ABORT_POLLING_PERIOD 1000
513 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
514 unsigned long wait_iter
= ABORT_WAIT_ITER
;
515 int ret
= QLA_SUCCESS
;
517 while (CMD_SP(cmd
)) {
518 msleep(ABORT_POLLING_PERIOD
);
524 ret
= QLA_FUNCTION_FAILED
;
530 * qla2x00_wait_for_hba_online
531 * Wait till the HBA is online after going through
532 * <= MAX_RETRIES_OF_ISP_ABORT or
533 * finally HBA is disabled ie marked offline
536 * ha - pointer to host adapter structure
539 * Does context switching-Release SPIN_LOCK
540 * (if any) before calling this routine.
543 * Success (Adapter is online) : 0
544 * Failed (Adapter is offline/disabled) : 1
547 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
550 unsigned long wait_online
;
552 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
553 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
554 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
555 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
556 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
560 if (ha
->flags
.online
)
561 return_status
= QLA_SUCCESS
;
563 return_status
= QLA_FUNCTION_FAILED
;
565 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
567 return (return_status
);
571 * qla2x00_wait_for_loop_ready
572 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
573 * to be in LOOP_READY state.
575 * ha - pointer to host adapter structure
578 * Does context switching-Release SPIN_LOCK
579 * (if any) before calling this routine.
583 * Success (LOOP_READY) : 0
584 * Failed (LOOP_NOT_READY) : 1
587 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
589 int return_status
= QLA_SUCCESS
;
590 unsigned long loop_timeout
;
592 /* wait for 5 min at the max for loop to be ready */
593 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
595 while ((!atomic_read(&ha
->loop_down_timer
) &&
596 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
597 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
598 if (atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
599 return_status
= QLA_FUNCTION_FAILED
;
603 if (time_after_eq(jiffies
, loop_timeout
)) {
604 return_status
= QLA_FUNCTION_FAILED
;
608 return (return_status
);
612 qla2x00_block_error_handler(struct scsi_cmnd
*cmnd
)
614 struct Scsi_Host
*shost
= cmnd
->device
->host
;
615 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmnd
->device
));
618 spin_lock_irqsave(shost
->host_lock
, flags
);
619 while (rport
->port_state
== FC_PORTSTATE_BLOCKED
) {
620 spin_unlock_irqrestore(shost
->host_lock
, flags
);
622 spin_lock_irqsave(shost
->host_lock
, flags
);
624 spin_unlock_irqrestore(shost
->host_lock
, flags
);
628 /**************************************************************************
632 * The abort function will abort the specified command.
635 * cmd = Linux SCSI command packet to be aborted.
638 * Either SUCCESS or FAILED.
641 * Only return FAILED if command not returned by firmware.
642 **************************************************************************/
644 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
646 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
649 unsigned int id
, lun
;
650 unsigned long serial
;
654 qla2x00_block_error_handler(cmd
);
661 id
= cmd
->device
->id
;
662 lun
= cmd
->device
->lun
;
663 serial
= cmd
->serial_number
;
665 /* Check active list for command command. */
666 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
667 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
668 sp
= ha
->outstanding_cmds
[i
];
676 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
677 __func__
, ha
->host_no
, sp
, serial
));
678 DEBUG3(qla2x00_print_scsi_cmd(cmd
));
680 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
681 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
682 DEBUG2(printk("%s(%ld): abort_command "
683 "mbx failed.\n", __func__
, ha
->host_no
));
685 DEBUG3(printk("%s(%ld): abort_command "
686 "mbx success.\n", __func__
, ha
->host_no
));
689 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
693 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
695 /* Wait for the command to be returned. */
697 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
698 qla_printk(KERN_ERR
, ha
,
699 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
700 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
705 qla_printk(KERN_INFO
, ha
,
706 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
707 ha
->host_no
, id
, lun
, wait
, serial
, ret
);
712 /**************************************************************************
713 * qla2x00_eh_wait_for_pending_target_commands
716 * Waits for all the commands to come back from the specified target.
719 * ha - pointer to scsi_qla_host structure.
722 * Either SUCCESS or FAILED.
725 **************************************************************************/
727 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
732 struct scsi_cmnd
*cmd
;
738 * Waiting for all commands for the designated target in the active
741 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
742 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
743 sp
= ha
->outstanding_cmds
[cnt
];
746 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
747 if (cmd
->device
->id
== t
) {
748 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
754 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
761 /**************************************************************************
762 * qla2xxx_eh_device_reset
765 * The device reset function will reset the target and abort any
766 * executing commands.
768 * NOTE: The use of SP is undefined within this context. Do *NOT*
769 * attempt to use this value, even if you determine it is
773 * cmd = Linux SCSI command packet of the command that cause the
777 * SUCCESS/FAILURE (defined as macro in scsi.h).
779 **************************************************************************/
781 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
783 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
784 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
786 unsigned int id
, lun
;
787 unsigned long serial
;
789 qla2x00_block_error_handler(cmd
);
793 id
= cmd
->device
->id
;
794 lun
= cmd
->device
->lun
;
795 serial
= cmd
->serial_number
;
800 qla_printk(KERN_INFO
, ha
,
801 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
803 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
804 goto eh_dev_reset_done
;
806 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
807 if (qla2x00_device_reset(ha
, fcport
) == 0)
810 #if defined(LOGOUT_AFTER_DEVICE_RESET)
811 if (ret
== SUCCESS
) {
812 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
813 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
814 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
819 DEBUG2(printk(KERN_INFO
820 "%s failed: loop not ready\n",__func__
));
824 DEBUG3(printk("%s(%ld): device reset failed\n",
825 __func__
, ha
->host_no
));
826 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
829 goto eh_dev_reset_done
;
832 /* Flush outstanding commands. */
833 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
836 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
837 __func__
, ha
->host_no
));
838 qla_printk(KERN_INFO
, ha
,
839 "%s: failed while waiting for commands\n", __func__
);
841 qla_printk(KERN_INFO
, ha
,
842 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
848 /**************************************************************************
849 * qla2x00_eh_wait_for_pending_commands
852 * Waits for all the commands to come back from the specified host.
855 * ha - pointer to scsi_qla_host structure.
862 **************************************************************************/
864 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
869 struct scsi_cmnd
*cmd
;
875 * Waiting for all commands for the designated target in the active
878 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
879 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
880 sp
= ha
->outstanding_cmds
[cnt
];
883 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
884 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
889 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
896 /**************************************************************************
897 * qla2xxx_eh_bus_reset
900 * The bus reset function will reset the bus and abort any executing
904 * cmd = Linux SCSI command packet of the command that cause the
908 * SUCCESS/FAILURE (defined as macro in scsi.h).
910 **************************************************************************/
912 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
914 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
915 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
917 unsigned int id
, lun
;
918 unsigned long serial
;
920 qla2x00_block_error_handler(cmd
);
924 id
= cmd
->device
->id
;
925 lun
= cmd
->device
->lun
;
926 serial
= cmd
->serial_number
;
931 qla_printk(KERN_INFO
, ha
,
932 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
934 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
935 DEBUG2(printk("%s failed:board disabled\n",__func__
));
936 goto eh_bus_reset_done
;
939 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
940 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
944 goto eh_bus_reset_done
;
946 /* Flush outstanding commands. */
947 if (!qla2x00_eh_wait_for_pending_commands(ha
))
951 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
952 (ret
== FAILED
) ? "failed" : "succeded");
957 /**************************************************************************
958 * qla2xxx_eh_host_reset
961 * The reset function will reset the Adapter.
964 * cmd = Linux SCSI command packet of the command that cause the
968 * Either SUCCESS or FAILED.
971 **************************************************************************/
973 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
975 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
976 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
978 unsigned int id
, lun
;
979 unsigned long serial
;
981 qla2x00_block_error_handler(cmd
);
985 id
= cmd
->device
->id
;
986 lun
= cmd
->device
->lun
;
987 serial
= cmd
->serial_number
;
992 qla_printk(KERN_INFO
, ha
,
993 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
995 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
996 goto eh_host_reset_lock
;
999 * Fixme-may be dpc thread is active and processing
1000 * loop_resync,so wait a while for it to
1001 * be completed and then issue big hammer.Otherwise
1002 * it may cause I/O failure as big hammer marks the
1003 * devices as lost kicking of the port_down_timer
1004 * while dpc is stuck for the mailbox to complete.
1006 qla2x00_wait_for_loop_ready(ha
);
1007 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1008 if (qla2x00_abort_isp(ha
)) {
1009 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1010 /* failed. schedule dpc to try */
1011 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
1013 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
1014 goto eh_host_reset_lock
;
1016 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
1018 /* Waiting for our command in done_queue to be returned to OS.*/
1019 if (qla2x00_eh_wait_for_pending_commands(ha
))
1023 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
1024 (ret
== FAILED
) ? "failed" : "succeded");
1030 * qla2x00_loop_reset
1034 * ha = adapter block pointer.
1040 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
1043 struct fc_port
*fcport
;
1045 if (ha
->flags
.enable_lip_full_login
) {
1046 ret
= qla2x00_full_login_lip(ha
);
1047 if (ret
!= QLA_SUCCESS
) {
1048 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1049 "full_login_lip=%d.\n", __func__
, ha
->host_no
,
1052 atomic_set(&ha
->loop_state
, LOOP_DOWN
);
1053 atomic_set(&ha
->loop_down_timer
, LOOP_DOWN_TIME
);
1054 qla2x00_mark_all_devices_lost(ha
, 0);
1055 qla2x00_wait_for_loop_ready(ha
);
1058 if (ha
->flags
.enable_lip_reset
) {
1059 ret
= qla2x00_lip_reset(ha
);
1060 if (ret
!= QLA_SUCCESS
) {
1061 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1062 "lip_reset=%d.\n", __func__
, ha
->host_no
, ret
));
1064 qla2x00_wait_for_loop_ready(ha
);
1067 if (ha
->flags
.enable_target_reset
) {
1068 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1069 if (fcport
->port_type
!= FCT_TARGET
)
1072 ret
= qla2x00_device_reset(ha
, fcport
);
1073 if (ret
!= QLA_SUCCESS
) {
1074 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1075 "target_reset=%d d_id=%x.\n", __func__
,
1076 ha
->host_no
, ret
, fcport
->d_id
.b24
));
1081 /* Issue marker command only when we are going to start the I/O */
1082 ha
->marker_needed
= 1;
1088 * qla2x00_device_reset
1089 * Issue bus device reset message to the target.
1092 * ha = adapter block pointer.
1094 * TARGET_QUEUE_LOCK must be released.
1095 * ADAPTER_STATE_LOCK must be released.
1101 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1103 /* Abort Target command will clear Reservation */
1104 return ha
->isp_ops
.abort_target(reset_fcport
);
1108 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1110 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1112 if (!rport
|| fc_remote_port_chkready(rport
))
1115 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1121 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1123 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1124 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1126 if (sdev
->tagged_supported
)
1127 scsi_activate_tcq(sdev
, ha
->max_q_depth
);
1129 scsi_deactivate_tcq(sdev
, ha
->max_q_depth
);
1131 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1137 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1139 sdev
->hostdata
= NULL
;
1143 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1145 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1146 return sdev
->queue_depth
;
1150 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1152 if (sdev
->tagged_supported
) {
1153 scsi_set_tag_type(sdev
, tag_type
);
1155 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1157 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1165 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1168 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1169 * supported addressing method.
1172 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1174 /* Assume a 32bit DMA mask. */
1175 ha
->flags
.enable_64bit_addressing
= 0;
1177 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1178 /* Any upper-dword bits set? */
1179 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1180 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1181 /* Ok, a 64bit DMA mask is applicable. */
1182 ha
->flags
.enable_64bit_addressing
= 1;
1183 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1184 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1189 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1190 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1194 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1196 ha
->device_type
= DT_EXTENDED_IDS
;
1197 switch (ha
->pdev
->device
) {
1198 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1199 ha
->device_type
|= DT_ISP2100
;
1200 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1201 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1203 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1204 ha
->device_type
|= DT_ISP2200
;
1205 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1206 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1208 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1209 ha
->device_type
|= DT_ISP2300
;
1210 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1211 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1213 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1214 ha
->device_type
|= DT_ISP2312
;
1215 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1216 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1218 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1219 ha
->device_type
|= DT_ISP2322
;
1220 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1221 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1222 ha
->pdev
->subsystem_device
== 0x0170)
1223 ha
->device_type
|= DT_OEM_001
;
1224 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1226 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1227 ha
->device_type
|= DT_ISP6312
;
1228 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1230 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1231 ha
->device_type
|= DT_ISP6322
;
1232 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1234 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1235 ha
->device_type
|= DT_ISP2422
;
1236 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1237 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1239 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1240 ha
->device_type
|= DT_ISP2432
;
1241 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1242 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1244 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1245 ha
->device_type
|= DT_ISP5422
;
1246 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1248 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1249 ha
->device_type
|= DT_ISP5432
;
1250 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1256 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1258 unsigned long pio
, pio_len
, pio_flags
;
1259 unsigned long mmio
, mmio_len
, mmio_flags
;
1261 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1262 pio
= pci_resource_start(ha
->pdev
, 0);
1263 pio_len
= pci_resource_len(ha
->pdev
, 0);
1264 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1265 if (pio_flags
& IORESOURCE_IO
) {
1266 if (pio_len
< MIN_IOBASE_LEN
) {
1267 qla_printk(KERN_WARNING
, ha
,
1268 "Invalid PCI I/O region size (%s)...\n",
1269 pci_name(ha
->pdev
));
1273 qla_printk(KERN_WARNING
, ha
,
1274 "region #0 not a PIO resource (%s)...\n",
1275 pci_name(ha
->pdev
));
1279 /* Use MMIO operations for all accesses. */
1280 mmio
= pci_resource_start(ha
->pdev
, 1);
1281 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1282 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1284 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1285 qla_printk(KERN_ERR
, ha
,
1286 "region #0 not an MMIO resource (%s), aborting\n",
1287 pci_name(ha
->pdev
));
1288 goto iospace_error_exit
;
1290 if (mmio_len
< MIN_IOBASE_LEN
) {
1291 qla_printk(KERN_ERR
, ha
,
1292 "Invalid PCI mem region size (%s), aborting\n",
1293 pci_name(ha
->pdev
));
1294 goto iospace_error_exit
;
1297 if (pci_request_regions(ha
->pdev
, QLA2XXX_DRIVER_NAME
)) {
1298 qla_printk(KERN_WARNING
, ha
,
1299 "Failed to reserve PIO/MMIO regions (%s)\n",
1300 pci_name(ha
->pdev
));
1302 goto iospace_error_exit
;
1305 ha
->pio_address
= pio
;
1306 ha
->pio_length
= pio_len
;
1307 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1309 qla_printk(KERN_ERR
, ha
,
1310 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1312 goto iospace_error_exit
;
1322 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1324 unsigned long flags
= 0;
1325 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1327 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1328 ha
->interrupts_on
= 1;
1329 /* enable risc and host interrupts */
1330 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1331 RD_REG_WORD(®
->ictrl
);
1332 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1337 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1339 unsigned long flags
= 0;
1340 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1342 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1343 ha
->interrupts_on
= 0;
1344 /* disable risc and host interrupts */
1345 WRT_REG_WORD(®
->ictrl
, 0);
1346 RD_REG_WORD(®
->ictrl
);
1347 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1351 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1353 unsigned long flags
= 0;
1354 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1356 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1357 ha
->interrupts_on
= 1;
1358 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1359 RD_REG_DWORD(®
->ictrl
);
1360 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1364 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1366 unsigned long flags
= 0;
1367 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1369 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1370 ha
->interrupts_on
= 0;
1371 WRT_REG_DWORD(®
->ictrl
, 0);
1372 RD_REG_DWORD(®
->ictrl
);
1373 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1377 qla2xxx_scan_start(struct Scsi_Host
*shost
)
1379 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1381 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
1382 set_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
1383 set_bit(RSCN_UPDATE
, &ha
->dpc_flags
);
1387 qla2xxx_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1389 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1393 if (time
> ha
->loop_reset_delay
* HZ
)
1396 return atomic_read(&ha
->loop_state
) == LOOP_READY
;
1400 * PCI driver interface
1402 static int __devinit
1403 qla2x00_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1406 device_reg_t __iomem
*reg
;
1407 struct Scsi_Host
*host
;
1408 scsi_qla_host_t
*ha
;
1409 unsigned long flags
= 0;
1412 struct scsi_host_template
*sht
;
1414 if (pci_enable_device(pdev
))
1417 sht
= &qla2x00_driver_template
;
1418 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1419 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
||
1420 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP5422
||
1421 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP5432
)
1422 sht
= &qla24xx_driver_template
;
1423 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1426 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1427 goto probe_disable_device
;
1430 /* Clear our data area */
1431 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1432 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1436 ha
->host_no
= host
->host_no
;
1437 sprintf(ha
->host_str
, "%s_%ld", QLA2XXX_DRIVER_NAME
, ha
->host_no
);
1439 /* Set ISP-type information. */
1440 qla2x00_set_isp_flags(ha
);
1442 /* Configure PCI I/O space */
1443 ret
= qla2x00_iospace_config(ha
);
1447 qla_printk(KERN_INFO
, ha
,
1448 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1451 spin_lock_init(&ha
->hardware_lock
);
1453 ha
->prev_topology
= 0;
1454 ha
->init_cb_size
= sizeof(init_cb_t
);
1455 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1456 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
1457 ha
->optrom_size
= OPTROM_SIZE_2300
;
1459 ha
->max_q_depth
= MAX_Q_DEPTH
;
1460 if (ql2xmaxqdepth
!= 0 && ql2xmaxqdepth
<= 0xffffU
)
1461 ha
->max_q_depth
= ql2xmaxqdepth
;
1463 /* Assign ISP specific operations. */
1464 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1465 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1466 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1467 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1468 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1469 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1470 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1471 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1472 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1473 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1474 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1475 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1476 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1477 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1478 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1479 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1480 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1481 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1482 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1483 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1484 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1485 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1486 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1487 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1488 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1489 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1490 ha
->isp_ops
.get_flash_version
= qla2x00_get_flash_version
;
1491 if (IS_QLA2100(ha
)) {
1492 host
->max_id
= MAX_TARGETS_2100
;
1493 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1494 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1495 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1496 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1497 host
->sg_tablesize
= 32;
1498 ha
->gid_list_info_size
= 4;
1499 } else if (IS_QLA2200(ha
)) {
1500 host
->max_id
= MAX_TARGETS_2200
;
1501 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1502 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1503 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1504 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1505 ha
->gid_list_info_size
= 4;
1506 } else if (IS_QLA23XX(ha
)) {
1507 host
->max_id
= MAX_TARGETS_2200
;
1508 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1509 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1510 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1511 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1512 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1513 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1514 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1515 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1516 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1517 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1518 ha
->gid_list_info_size
= 6;
1519 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1520 ha
->optrom_size
= OPTROM_SIZE_2322
;
1521 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1522 host
->max_id
= MAX_TARGETS_2200
;
1523 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1524 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1525 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1526 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1527 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1528 ha
->mgmt_svr_loop_id
= 10;
1529 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1530 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1531 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1532 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1533 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1534 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1535 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1536 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1537 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1538 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1539 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1540 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1541 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1542 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1543 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1544 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1545 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1546 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1547 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1548 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1549 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1550 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1551 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1552 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1553 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1554 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1555 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1556 ha
->isp_ops
.get_flash_version
= qla24xx_get_flash_version
;
1557 ha
->gid_list_info_size
= 8;
1558 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1560 host
->can_queue
= ha
->request_q_length
+ 128;
1562 /* load the F/W, read paramaters, and init the H/W */
1563 ha
->instance
= num_hosts
;
1565 init_MUTEX(&ha
->mbx_cmd_sem
);
1566 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1568 INIT_LIST_HEAD(&ha
->list
);
1569 INIT_LIST_HEAD(&ha
->fcports
);
1571 qla2x00_config_dma_addressing(ha
);
1572 if (qla2x00_mem_alloc(ha
)) {
1573 qla_printk(KERN_WARNING
, ha
,
1574 "[ERROR] Failed to allocate memory for adapter\n");
1580 if (qla2x00_initialize_adapter(ha
) &&
1581 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1583 qla_printk(KERN_WARNING
, ha
,
1584 "Failed to initialize adapter\n");
1586 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1587 "Adapter flags %x.\n",
1588 ha
->host_no
, ha
->device_flags
));
1595 * Startup the kernel thread for this host adapter
1597 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1598 "%s_dpc", ha
->host_str
);
1599 if (IS_ERR(ha
->dpc_thread
)) {
1600 qla_printk(KERN_WARNING
, ha
,
1601 "Unable to start DPC thread!\n");
1602 ret
= PTR_ERR(ha
->dpc_thread
);
1606 host
->this_id
= 255;
1607 host
->cmd_per_lun
= 3;
1608 host
->unique_id
= ha
->instance
;
1609 host
->max_cmd_len
= MAX_CMDSZ
;
1610 host
->max_channel
= MAX_BUSES
- 1;
1611 host
->max_lun
= MAX_LUNS
;
1612 host
->transportt
= qla2xxx_transport_template
;
1614 ret
= qla2x00_request_irqs(ha
);
1618 /* Initialized the timer */
1619 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1621 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1624 ha
->isp_ops
.disable_intrs(ha
);
1626 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1628 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1629 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1630 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1632 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1633 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1634 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1636 /* Enable proper parity */
1637 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1640 WRT_REG_WORD(®
->isp
.hccr
,
1641 (HCCR_ENABLE_PARITY
+ 0x1));
1643 /* SRAM, Instruction RAM and GP RAM parity */
1644 WRT_REG_WORD(®
->isp
.hccr
,
1645 (HCCR_ENABLE_PARITY
+ 0x7));
1648 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1650 ha
->isp_ops
.enable_intrs(ha
);
1652 pci_set_drvdata(pdev
, ha
);
1654 ha
->flags
.init_done
= 1;
1655 ha
->flags
.online
= 1;
1659 ret
= scsi_add_host(host
, &pdev
->dev
);
1663 scsi_scan_host(host
);
1665 qla2x00_alloc_sysfs_attr(ha
);
1667 qla2x00_init_host_attr(ha
);
1669 qla_printk(KERN_INFO
, ha
, "\n"
1670 " QLogic Fibre Channel HBA Driver: %s\n"
1672 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1673 qla2x00_version_str
, ha
->model_number
,
1674 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1675 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1676 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1677 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1682 qla2x00_free_device(ha
);
1684 scsi_host_put(host
);
1686 probe_disable_device
:
1687 pci_disable_device(pdev
);
1693 static void __devexit
1694 qla2x00_remove_one(struct pci_dev
*pdev
)
1696 scsi_qla_host_t
*ha
;
1698 ha
= pci_get_drvdata(pdev
);
1700 qla2x00_free_sysfs_attr(ha
);
1702 fc_remove_host(ha
->host
);
1704 scsi_remove_host(ha
->host
);
1706 qla2x00_free_device(ha
);
1708 scsi_host_put(ha
->host
);
1710 pci_set_drvdata(pdev
, NULL
);
1714 qla2x00_free_device(scsi_qla_host_t
*ha
)
1717 if (ha
->timer_active
)
1718 qla2x00_stop_timer(ha
);
1720 /* Kill the kernel thread for this host */
1721 if (ha
->dpc_thread
) {
1722 struct task_struct
*t
= ha
->dpc_thread
;
1725 * qla2xxx_wake_dpc checks for ->dpc_thread
1726 * so we need to zero it out.
1728 ha
->dpc_thread
= NULL
;
1733 qla2x00_trace_control(ha
, TC_DISABLE
, 0, 0);
1735 ha
->flags
.online
= 0;
1737 /* Stop currently executing firmware. */
1738 qla2x00_try_to_stop_firmware(ha
);
1740 /* turn-off interrupts on the card */
1741 if (ha
->interrupts_on
)
1742 ha
->isp_ops
.disable_intrs(ha
);
1744 qla2x00_mem_free(ha
);
1746 qla2x00_free_irqs(ha
);
1748 /* release io space registers */
1750 iounmap(ha
->iobase
);
1751 pci_release_regions(ha
->pdev
);
1753 pci_disable_device(ha
->pdev
);
1757 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1760 unsigned long flags
;
1761 struct fc_rport
*rport
;
1766 rport
= fcport
->rport
;
1768 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1769 fcport
->drport
= rport
;
1770 fcport
->rport
= NULL
;
1771 *(fc_port_t
**)rport
->dd_data
= NULL
;
1772 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1773 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1775 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1776 fcport
->rport
= NULL
;
1777 *(fc_port_t
**)rport
->dd_data
= NULL
;
1778 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1779 fc_remote_port_delete(rport
);
1784 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1786 * Input: ha = adapter block pointer. fcport = port structure pointer.
1792 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1793 int do_login
, int defer
)
1795 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1796 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1799 * We may need to retry the login, so don't change the state of the
1800 * port but do the retries.
1802 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1803 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1808 if (fcport
->login_retry
== 0) {
1809 fcport
->login_retry
= ha
->login_retry_count
;
1810 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1812 DEBUG(printk("scsi(%ld): Port login retry: "
1813 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1814 "id = 0x%04x retry cnt=%d\n",
1816 fcport
->port_name
[0],
1817 fcport
->port_name
[1],
1818 fcport
->port_name
[2],
1819 fcport
->port_name
[3],
1820 fcport
->port_name
[4],
1821 fcport
->port_name
[5],
1822 fcport
->port_name
[6],
1823 fcport
->port_name
[7],
1825 fcport
->login_retry
));
1830 * qla2x00_mark_all_devices_lost
1831 * Updates fcport state when device goes offline.
1834 * ha = adapter block pointer.
1835 * fcport = port structure pointer.
1843 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1847 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1848 if (fcport
->port_type
!= FCT_TARGET
)
1852 * No point in marking the device as lost, if the device is
1855 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1857 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1858 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1859 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1863 qla2xxx_wake_dpc(ha
);
1868 * Allocates adapter memory.
1875 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1883 * This will loop only once if everything goes well, else some
1884 * number of retries will be performed to get around a kernel
1885 * bug where available mem is not allocated until after a
1886 * little delay and a retry.
1888 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1889 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1890 &ha
->request_dma
, GFP_KERNEL
);
1891 if (ha
->request_ring
== NULL
) {
1892 qla_printk(KERN_WARNING
, ha
,
1893 "Memory Allocation failed - request_ring\n");
1895 qla2x00_mem_free(ha
);
1901 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1902 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1903 &ha
->response_dma
, GFP_KERNEL
);
1904 if (ha
->response_ring
== NULL
) {
1905 qla_printk(KERN_WARNING
, ha
,
1906 "Memory Allocation failed - response_ring\n");
1908 qla2x00_mem_free(ha
);
1914 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1915 &ha
->gid_list_dma
, GFP_KERNEL
);
1916 if (ha
->gid_list
== NULL
) {
1917 qla_printk(KERN_WARNING
, ha
,
1918 "Memory Allocation failed - gid_list\n");
1920 qla2x00_mem_free(ha
);
1926 snprintf(name
, sizeof(name
), "%s_%ld", QLA2XXX_DRIVER_NAME
,
1928 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1929 DMA_POOL_SIZE
, 8, 0);
1930 if (ha
->s_dma_pool
== NULL
) {
1931 qla_printk(KERN_WARNING
, ha
,
1932 "Memory Allocation failed - s_dma_pool\n");
1934 qla2x00_mem_free(ha
);
1940 /* get consistent memory allocated for init control block */
1941 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1943 if (ha
->init_cb
== NULL
) {
1944 qla_printk(KERN_WARNING
, ha
,
1945 "Memory Allocation failed - init_cb\n");
1947 qla2x00_mem_free(ha
);
1952 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1954 if (qla2x00_allocate_sp_pool(ha
)) {
1955 qla_printk(KERN_WARNING
, ha
,
1956 "Memory Allocation failed - "
1957 "qla2x00_allocate_sp_pool()\n");
1959 qla2x00_mem_free(ha
);
1965 /* Allocate memory for SNS commands */
1966 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1967 /* Get consistent memory allocated for SNS commands */
1968 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1969 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1971 if (ha
->sns_cmd
== NULL
) {
1973 qla_printk(KERN_WARNING
, ha
,
1974 "Memory Allocation failed - sns_cmd\n");
1976 qla2x00_mem_free(ha
);
1981 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1983 /* Get consistent memory allocated for MS IOCB */
1984 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1986 if (ha
->ms_iocb
== NULL
) {
1988 qla_printk(KERN_WARNING
, ha
,
1989 "Memory Allocation failed - ms_iocb\n");
1991 qla2x00_mem_free(ha
);
1996 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
1999 * Get consistent memory allocated for CT SNS
2002 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
2003 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
2005 if (ha
->ct_sns
== NULL
) {
2007 qla_printk(KERN_WARNING
, ha
,
2008 "Memory Allocation failed - ct_sns\n");
2010 qla2x00_mem_free(ha
);
2015 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
2017 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2019 * Get consistent memory allocated for SFP
2022 ha
->sfp_data
= dma_pool_alloc(ha
->s_dma_pool
,
2023 GFP_KERNEL
, &ha
->sfp_data_dma
);
2024 if (ha
->sfp_data
== NULL
) {
2025 qla_printk(KERN_WARNING
, ha
,
2026 "Memory Allocation failed - "
2029 qla2x00_mem_free(ha
);
2034 memset(ha
->sfp_data
, 0, SFP_BLOCK_SIZE
);
2038 /* Done all allocations without any error. */
2041 } while (retry
-- && status
!= 0);
2045 "%s(): **** FAILED ****\n", __func__
);
2053 * Frees all adapter allocated memory.
2056 * ha = adapter block pointer.
2059 qla2x00_mem_free(scsi_qla_host_t
*ha
)
2061 struct list_head
*fcpl
, *fcptemp
;
2066 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2071 qla2x00_free_sp_pool(ha
);
2075 dma_free_coherent(&ha
->pdev
->dev
,
2076 ntohl(ha
->fw_dump
->eft_size
), ha
->eft
, ha
->eft_dma
);
2081 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2082 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2085 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2086 ha
->ct_sns
, ha
->ct_sns_dma
);
2089 dma_pool_free(ha
->s_dma_pool
, ha
->sfp_data
, ha
->sfp_data_dma
);
2092 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2095 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2098 dma_pool_destroy(ha
->s_dma_pool
);
2101 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2104 if (ha
->response_ring
)
2105 dma_free_coherent(&ha
->pdev
->dev
,
2106 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2107 ha
->response_ring
, ha
->response_dma
);
2109 if (ha
->request_ring
)
2110 dma_free_coherent(&ha
->pdev
->dev
,
2111 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2112 ha
->request_ring
, ha
->request_dma
);
2117 ha
->sns_cmd_dma
= 0;
2121 ha
->ms_iocb_dma
= 0;
2123 ha
->init_cb_dma
= 0;
2125 ha
->s_dma_pool
= NULL
;
2127 ha
->gid_list
= NULL
;
2128 ha
->gid_list_dma
= 0;
2130 ha
->response_ring
= NULL
;
2131 ha
->response_dma
= 0;
2132 ha
->request_ring
= NULL
;
2133 ha
->request_dma
= 0;
2135 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2136 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2139 list_del_init(&fcport
->list
);
2142 INIT_LIST_HEAD(&ha
->fcports
);
2146 ha
->fw_dump_reading
= 0;
2148 vfree(ha
->optrom_buffer
);
2152 * qla2x00_allocate_sp_pool
2153 * This routine is called during initialization to allocate
2154 * memory for local srb_t.
2157 * ha = adapter block pointer.
2163 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2168 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2169 if (ha
->srb_mempool
== NULL
) {
2170 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2171 rval
= QLA_FUNCTION_FAILED
;
2177 * This routine frees all adapter allocated memory.
2181 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2183 if (ha
->srb_mempool
) {
2184 mempool_destroy(ha
->srb_mempool
);
2185 ha
->srb_mempool
= NULL
;
2189 /**************************************************************************
2191 * This kernel thread is a task that is schedule by the interrupt handler
2192 * to perform the background processing for interrupts.
2195 * This task always run in the context of a kernel thread. It
2196 * is kick-off by the driver's detect code and starts up
2197 * up one per adapter. It immediately goes to sleep and waits for
2198 * some fibre event. When either the interrupt handler or
2199 * the timer routine detects a event it will one of the task
2200 * bits then wake us up.
2201 **************************************************************************/
2203 qla2x00_do_dpc(void *data
)
2205 scsi_qla_host_t
*ha
;
2208 uint16_t next_loopid
;
2210 ha
= (scsi_qla_host_t
*)data
;
2212 set_user_nice(current
, -20);
2214 while (!kthread_should_stop()) {
2215 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2217 set_current_state(TASK_INTERRUPTIBLE
);
2219 __set_current_state(TASK_RUNNING
);
2221 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2223 /* Initialization not yet finished. Don't do anything yet. */
2224 if (!ha
->flags
.init_done
)
2227 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2231 if (ha
->flags
.mbox_busy
) {
2236 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2238 DEBUG(printk("scsi(%ld): dpc: sched "
2239 "qla2x00_abort_isp ha = %p\n",
2241 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2244 if (qla2x00_abort_isp(ha
)) {
2245 /* failed. retry later */
2246 set_bit(ISP_ABORT_NEEDED
,
2249 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2251 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2255 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2256 qla2x00_update_fcports(ha
);
2258 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2259 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2261 qla2x00_loop_reset(ha
);
2264 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2265 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2267 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2270 qla2x00_rst_aen(ha
);
2271 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2274 /* Retry each device up to login retry count */
2275 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2276 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2277 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2279 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2283 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2285 * If the port is not ONLINE then try to login
2286 * to it if we haven't run out of retries.
2288 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2289 fcport
->login_retry
) {
2291 fcport
->login_retry
--;
2292 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2295 ha
->isp_ops
.fabric_logout(
2296 ha
, fcport
->loop_id
,
2297 fcport
->d_id
.b
.domain
,
2298 fcport
->d_id
.b
.area
,
2299 fcport
->d_id
.b
.al_pa
);
2300 status
= qla2x00_fabric_login(
2301 ha
, fcport
, &next_loopid
);
2304 qla2x00_local_device_login(
2307 if (status
== QLA_SUCCESS
) {
2308 fcport
->old_loop_id
= fcport
->loop_id
;
2310 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2311 ha
->host_no
, fcport
->loop_id
));
2313 qla2x00_update_fcport(ha
,
2315 } else if (status
== 1) {
2316 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2317 /* retry the login again */
2318 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2320 fcport
->login_retry
, fcport
->loop_id
));
2322 fcport
->login_retry
= 0;
2325 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2328 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2332 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2333 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2335 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2336 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2339 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2341 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2345 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2347 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2350 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2353 qla2x00_loop_resync(ha
);
2355 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2358 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2362 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2364 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2367 qla2x00_rescan_fcports(ha
);
2369 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2374 if (!ha
->interrupts_on
)
2375 ha
->isp_ops
.enable_intrs(ha
);
2377 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2378 ha
->isp_ops
.beacon_blink(ha
);
2381 } /* End of while(1) */
2383 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2386 * Make sure that nobody tries to wake us up again.
2394 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2397 wake_up_process(ha
->dpc_thread
);
2402 * Processes asynchronous reset.
2405 * ha = adapter block pointer.
2408 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2410 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2411 !atomic_read(&ha
->loop_down_timer
) &&
2412 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2414 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2417 * Issue marker command only when we are going to start
2420 ha
->marker_needed
= 1;
2421 } while (!atomic_read(&ha
->loop_down_timer
) &&
2422 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2427 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2429 struct scsi_cmnd
*cmd
= sp
->cmd
;
2431 if (sp
->flags
& SRB_DMA_VALID
) {
2433 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2434 cmd
->use_sg
, cmd
->sc_data_direction
);
2435 } else if (cmd
->request_bufflen
) {
2436 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2437 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2439 sp
->flags
&= ~SRB_DMA_VALID
;
2445 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2447 struct scsi_cmnd
*cmd
= sp
->cmd
;
2449 qla2x00_sp_free_dma(ha
, sp
);
2451 mempool_free(sp
, ha
->srb_mempool
);
2453 cmd
->scsi_done(cmd
);
2456 /**************************************************************************
2462 * Context: Interrupt
2463 ***************************************************************************/
2465 qla2x00_timer(scsi_qla_host_t
*ha
)
2467 unsigned long cpu_flags
= 0;
2475 * Ports - Port down timer.
2477 * Whenever, a port is in the LOST state we start decrementing its port
2478 * down timer every second until it reaches zero. Once it reaches zero
2479 * the port it marked DEAD.
2482 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2483 if (fcport
->port_type
!= FCT_TARGET
)
2486 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2488 if (atomic_read(&fcport
->port_down_timer
) == 0)
2491 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2492 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2494 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2497 t
, atomic_read(&fcport
->port_down_timer
)));
2500 } /* End of for fcport */
2503 /* Loop down handler. */
2504 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2505 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2507 if (atomic_read(&ha
->loop_down_timer
) ==
2508 ha
->loop_down_abort_time
) {
2510 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2511 "queues before time expire\n",
2514 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2515 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2517 /* Schedule an ISP abort to return any tape commands. */
2518 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2519 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2523 sp
= ha
->outstanding_cmds
[index
];
2527 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2530 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2533 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2535 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2539 /* if the loop has been down for 4 minutes, reinit adapter */
2540 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2541 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2542 "restarting queues.\n",
2545 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2548 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2549 DEBUG(printk("scsi(%ld): Loop down - "
2552 qla_printk(KERN_WARNING
, ha
,
2553 "Loop down - aborting ISP.\n");
2555 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2558 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2560 atomic_read(&ha
->loop_down_timer
)));
2563 /* Check if beacon LED needs to be blinked */
2564 if (ha
->beacon_blink_led
== 1) {
2565 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2569 /* Schedule the DPC routine if needed */
2570 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2571 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2572 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2573 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2575 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2576 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2577 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2578 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2579 qla2xxx_wake_dpc(ha
);
2581 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2584 /* XXX(hch): crude hack to emulate a down_timeout() */
2586 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2588 const unsigned int step
= 100; /* msecs */
2589 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2592 if (!down_trylock(sema
))
2594 if (msleep_interruptible(step
))
2596 } while (--iterations
>= 0);
2601 /* Firmware interface routines. */
2604 #define FW_ISP21XX 0
2605 #define FW_ISP22XX 1
2606 #define FW_ISP2300 2
2607 #define FW_ISP2322 3
2608 #define FW_ISP24XX 4
2610 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2611 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2612 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2613 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2614 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2616 static DECLARE_MUTEX(qla_fw_lock
);
2618 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2619 { .name
= FW_FILE_ISP21XX
, .segs
= { 0x1000, 0 }, },
2620 { .name
= FW_FILE_ISP22XX
, .segs
= { 0x1000, 0 }, },
2621 { .name
= FW_FILE_ISP2300
, .segs
= { 0x800, 0 }, },
2622 { .name
= FW_FILE_ISP2322
, .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2623 { .name
= FW_FILE_ISP24XX
, },
2627 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2629 struct fw_blob
*blob
;
2632 if (IS_QLA2100(ha
)) {
2633 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2634 } else if (IS_QLA2200(ha
)) {
2635 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2636 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2637 blob
= &qla_fw_blobs
[FW_ISP2300
];
2638 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2639 blob
= &qla_fw_blobs
[FW_ISP2322
];
2640 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2641 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2648 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2649 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2650 "(%s).\n", ha
->host_no
, blob
->name
));
2662 qla2x00_release_firmware(void)
2667 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2668 if (qla_fw_blobs
[idx
].fw
)
2669 release_firmware(qla_fw_blobs
[idx
].fw
);
2673 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2674 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
) },
2675 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
) },
2676 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
) },
2677 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
) },
2678 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
) },
2679 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
) },
2680 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
) },
2681 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
) },
2682 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
) },
2683 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
) },
2684 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
) },
2687 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2689 static struct pci_driver qla2xxx_pci_driver
= {
2690 .name
= QLA2XXX_DRIVER_NAME
,
2692 .owner
= THIS_MODULE
,
2694 .id_table
= qla2xxx_pci_tbl
,
2695 .probe
= qla2x00_probe_one
,
2696 .remove
= __devexit_p(qla2x00_remove_one
),
2700 * qla2x00_module_init - Module initialization.
2703 qla2x00_module_init(void)
2707 /* Allocate cache for SRBs. */
2708 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2709 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2710 if (srb_cachep
== NULL
) {
2712 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2716 /* Derive version string. */
2717 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2718 if (ql2xextended_error_logging
)
2719 strcat(qla2x00_version_str
, "-debug");
2721 qla2xxx_transport_template
=
2722 fc_attach_transport(&qla2xxx_transport_functions
);
2723 if (!qla2xxx_transport_template
)
2726 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2727 ret
= pci_register_driver(&qla2xxx_pci_driver
);
2729 kmem_cache_destroy(srb_cachep
);
2730 fc_release_transport(qla2xxx_transport_template
);
2736 * qla2x00_module_exit - Module cleanup.
2739 qla2x00_module_exit(void)
2741 pci_unregister_driver(&qla2xxx_pci_driver
);
2742 qla2x00_release_firmware();
2743 kmem_cache_destroy(srb_cachep
);
2744 fc_release_transport(qla2xxx_transport_template
);
2747 module_init(qla2x00_module_init
);
2748 module_exit(qla2x00_module_exit
);
2750 MODULE_AUTHOR("QLogic Corporation");
2751 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2752 MODULE_LICENSE("GPL");
2753 MODULE_VERSION(QLA2XXX_VERSION
);
2754 MODULE_FIRMWARE(FW_FILE_ISP21XX
);
2755 MODULE_FIRMWARE(FW_FILE_ISP22XX
);
2756 MODULE_FIRMWARE(FW_FILE_ISP2300
);
2757 MODULE_FIRMWARE(FW_FILE_ISP2322
);
2758 MODULE_FIRMWARE(FW_FILE_ISP24XX
);