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/smp_lock.h>
12 #include <linux/delay.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str
[40];
25 * SRB allocation cache
27 static kmem_cache_t
*srb_cachep
;
30 * Ioctl related information.
34 int ql2xlogintimeout
= 20;
35 module_param(ql2xlogintimeout
, int, S_IRUGO
|S_IRUSR
);
36 MODULE_PARM_DESC(ql2xlogintimeout
,
37 "Login timeout value in seconds.");
39 int qlport_down_retry
= 30;
40 module_param(qlport_down_retry
, int, S_IRUGO
|S_IRUSR
);
41 MODULE_PARM_DESC(qlport_down_retry
,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice
;
46 module_param(ql2xplogiabsentdevice
, int, S_IRUGO
|S_IWUSR
);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice
,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount
= 0;
53 module_param(ql2xloginretrycount
, int, S_IRUGO
|S_IRUSR
);
54 MODULE_PARM_DESC(ql2xloginretrycount
,
55 "Specify an alternate value for the NVRAM login retry count.");
57 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
59 module_param(ql2xfwloadflash
, int, S_IRUGO
|S_IRUSR
);
60 MODULE_PARM_DESC(ql2xfwloadflash
,
61 "Load ISP24xx firmware image from FLASH (onboard memory).");
64 static void qla2x00_free_device(scsi_qla_host_t
*);
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
);
69 module_param(ql2xfdmienable
, int, S_IRUGO
|S_IRUSR
);
70 MODULE_PARM_DESC(ql2xfdmienable
,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75 module_param(ql2xprocessrscn
, int, S_IRUGO
|S_IRUSR
);
76 MODULE_PARM_DESC(ql2xprocessrscn
,
77 "Option to enable port RSCN handling via a series of less"
78 "fabric intrusive ADISCs and PLOGIs.");
81 * SCSI host template entry points
83 static int qla2xxx_slave_configure(struct scsi_device
* device
);
84 static int qla2xxx_slave_alloc(struct scsi_device
*);
85 static void qla2xxx_slave_destroy(struct scsi_device
*);
86 static int qla2x00_queuecommand(struct scsi_cmnd
*cmd
,
87 void (*fn
)(struct scsi_cmnd
*));
88 static int qla24xx_queuecommand(struct scsi_cmnd
*cmd
,
89 void (*fn
)(struct scsi_cmnd
*));
90 static int qla2xxx_eh_abort(struct scsi_cmnd
*);
91 static int qla2xxx_eh_device_reset(struct scsi_cmnd
*);
92 static int qla2xxx_eh_bus_reset(struct scsi_cmnd
*);
93 static int qla2xxx_eh_host_reset(struct scsi_cmnd
*);
94 static int qla2x00_loop_reset(scsi_qla_host_t
*ha
);
95 static int qla2x00_device_reset(scsi_qla_host_t
*, fc_port_t
*);
97 static int qla2x00_change_queue_depth(struct scsi_device
*, int);
98 static int qla2x00_change_queue_type(struct scsi_device
*, int);
100 static struct scsi_host_template qla2x00_driver_template
= {
101 .module
= THIS_MODULE
,
103 .queuecommand
= qla2x00_queuecommand
,
105 .eh_abort_handler
= qla2xxx_eh_abort
,
106 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
107 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
108 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
110 .slave_configure
= qla2xxx_slave_configure
,
112 .slave_alloc
= qla2xxx_slave_alloc
,
113 .slave_destroy
= qla2xxx_slave_destroy
,
114 .change_queue_depth
= qla2x00_change_queue_depth
,
115 .change_queue_type
= qla2x00_change_queue_type
,
118 .use_clustering
= ENABLE_CLUSTERING
,
119 .sg_tablesize
= SG_ALL
,
122 * The RISC allows for each command to transfer (2^32-1) bytes of data,
123 * which equates to 0x800000 sectors.
125 .max_sectors
= 0xFFFF,
126 .shost_attrs
= qla2x00_host_attrs
,
129 static struct scsi_host_template qla24xx_driver_template
= {
130 .module
= THIS_MODULE
,
132 .queuecommand
= qla24xx_queuecommand
,
134 .eh_abort_handler
= qla2xxx_eh_abort
,
135 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
136 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
137 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
139 .slave_configure
= qla2xxx_slave_configure
,
141 .slave_alloc
= qla2xxx_slave_alloc
,
142 .slave_destroy
= qla2xxx_slave_destroy
,
143 .change_queue_depth
= qla2x00_change_queue_depth
,
144 .change_queue_type
= qla2x00_change_queue_type
,
147 .use_clustering
= ENABLE_CLUSTERING
,
148 .sg_tablesize
= SG_ALL
,
150 .max_sectors
= 0xFFFF,
151 .shost_attrs
= qla2x00_host_attrs
,
154 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
156 /* TODO Convert to inlines
160 #define WATCH_INTERVAL 1 /* number of seconds */
162 static void qla2x00_timer(scsi_qla_host_t
*);
164 static __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
165 void *, unsigned long);
166 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
167 static __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
170 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
172 init_timer(&ha
->timer
);
173 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
174 ha
->timer
.data
= (unsigned long)ha
;
175 ha
->timer
.function
= (void (*)(unsigned long))func
;
176 add_timer(&ha
->timer
);
177 ha
->timer_active
= 1;
181 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
183 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
186 static __inline__
void
187 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
189 del_timer_sync(&ha
->timer
);
190 ha
->timer_active
= 0;
193 static int qla2x00_do_dpc(void *data
);
195 static void qla2x00_rst_aen(scsi_qla_host_t
*);
197 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
198 static void qla2x00_mem_free(scsi_qla_host_t
*ha
);
199 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
200 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
201 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
202 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
204 /* -------------------------------------------------------------------------- */
207 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
209 static char *pci_bus_modes
[] = {
210 "33", "66", "100", "133",
215 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
218 strcat(str
, pci_bus_modes
[pci_bus
]);
220 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
222 strcat(str
, pci_bus_modes
[pci_bus
]);
224 strcat(str
, " MHz)");
230 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
232 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
236 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
239 uint16_t pcie_lstat
, lspeed
, lwidth
;
242 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
243 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
244 lwidth
= (pcie_lstat
&
245 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
247 strcpy(str
, "PCIe (");
249 strcat(str
, "2.5Gb/s ");
251 strcat(str
, "<unknown> ");
252 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
259 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
260 if (pci_bus
== 0 || pci_bus
== 8) {
262 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
266 strcat(str
, "Mode 2");
268 strcat(str
, "Mode 1");
270 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
272 strcat(str
, " MHz)");
278 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
282 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
283 ha
->fw_minor_version
,
284 ha
->fw_subminor_version
);
286 if (ha
->fw_attributes
& BIT_9
) {
291 switch (ha
->fw_attributes
& 0xFF) {
305 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
309 if (ha
->fw_attributes
& 0x100)
316 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
318 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
319 ha
->fw_minor_version
,
320 ha
->fw_subminor_version
);
322 if (ha
->fw_attributes
& BIT_0
)
323 strcat(str
, "[Class 2] ");
324 if (ha
->fw_attributes
& BIT_1
)
325 strcat(str
, "[IP] ");
326 if (ha
->fw_attributes
& BIT_2
)
327 strcat(str
, "[Multi-ID] ");
328 if (ha
->fw_attributes
& BIT_13
)
329 strcat(str
, "[Experimental]");
333 static inline srb_t
*
334 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
335 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
339 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
343 atomic_set(&sp
->ref_count
, 1);
348 CMD_SP(cmd
) = (void *)sp
;
349 cmd
->scsi_done
= done
;
355 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
357 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
358 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
359 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
363 rval
= fc_remote_port_chkready(rport
);
366 goto qc_fail_command
;
369 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
370 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
371 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
372 cmd
->result
= DID_NO_CONNECT
<< 16;
373 goto qc_fail_command
;
378 spin_unlock_irq(ha
->host
->host_lock
);
380 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
382 goto qc_host_busy_lock
;
384 rval
= qla2x00_start_scsi(sp
);
385 if (rval
!= QLA_SUCCESS
)
386 goto qc_host_busy_free_sp
;
388 spin_lock_irq(ha
->host
->host_lock
);
392 qc_host_busy_free_sp
:
393 qla2x00_sp_free_dma(ha
, sp
);
394 mempool_free(sp
, ha
->srb_mempool
);
397 spin_lock_irq(ha
->host
->host_lock
);
400 return SCSI_MLQUEUE_HOST_BUSY
;
410 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
412 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
413 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
414 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
418 rval
= fc_remote_port_chkready(rport
);
421 goto qc24_fail_command
;
424 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
425 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
426 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
427 cmd
->result
= DID_NO_CONNECT
<< 16;
428 goto qc24_fail_command
;
433 spin_unlock_irq(ha
->host
->host_lock
);
435 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
437 goto qc24_host_busy_lock
;
439 rval
= qla24xx_start_scsi(sp
);
440 if (rval
!= QLA_SUCCESS
)
441 goto qc24_host_busy_free_sp
;
443 spin_lock_irq(ha
->host
->host_lock
);
447 qc24_host_busy_free_sp
:
448 qla2x00_sp_free_dma(ha
, sp
);
449 mempool_free(sp
, ha
->srb_mempool
);
452 spin_lock_irq(ha
->host
->host_lock
);
455 return SCSI_MLQUEUE_HOST_BUSY
;
465 * qla2x00_eh_wait_on_command
466 * Waits for the command to be returned by the Firmware for some
470 * ha = actual ha whose done queue will contain the command
471 * returned by firmware.
472 * cmd = Scsi Command to wait on.
473 * flag = Abort/Reset(Bus or Device Reset)
480 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
482 #define ABORT_POLLING_PERIOD 1000
483 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
484 unsigned long wait_iter
= ABORT_WAIT_ITER
;
485 int ret
= QLA_SUCCESS
;
487 while (CMD_SP(cmd
)) {
488 msleep(ABORT_POLLING_PERIOD
);
494 ret
= QLA_FUNCTION_FAILED
;
500 * qla2x00_wait_for_hba_online
501 * Wait till the HBA is online after going through
502 * <= MAX_RETRIES_OF_ISP_ABORT or
503 * finally HBA is disabled ie marked offline
506 * ha - pointer to host adapter structure
509 * Does context switching-Release SPIN_LOCK
510 * (if any) before calling this routine.
513 * Success (Adapter is online) : 0
514 * Failed (Adapter is offline/disabled) : 1
517 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
520 unsigned long wait_online
;
522 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
523 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
524 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
525 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
526 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
530 if (ha
->flags
.online
)
531 return_status
= QLA_SUCCESS
;
533 return_status
= QLA_FUNCTION_FAILED
;
535 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
537 return (return_status
);
541 * qla2x00_wait_for_loop_ready
542 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
543 * to be in LOOP_READY state.
545 * ha - pointer to host adapter structure
548 * Does context switching-Release SPIN_LOCK
549 * (if any) before calling this routine.
553 * Success (LOOP_READY) : 0
554 * Failed (LOOP_NOT_READY) : 1
557 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
559 int return_status
= QLA_SUCCESS
;
560 unsigned long loop_timeout
;
562 /* wait for 5 min at the max for loop to be ready */
563 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
565 while ((!atomic_read(&ha
->loop_down_timer
) &&
566 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
567 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
569 if (time_after_eq(jiffies
, loop_timeout
)) {
570 return_status
= QLA_FUNCTION_FAILED
;
574 return (return_status
);
577 /**************************************************************************
581 * The abort function will abort the specified command.
584 * cmd = Linux SCSI command packet to be aborted.
587 * Either SUCCESS or FAILED.
590 **************************************************************************/
592 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
594 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
597 unsigned int id
, lun
;
598 unsigned long serial
;
606 id
= cmd
->device
->id
;
607 lun
= cmd
->device
->lun
;
608 serial
= cmd
->serial_number
;
610 /* Check active list for command command. */
611 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
612 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
613 sp
= ha
->outstanding_cmds
[i
];
621 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
622 "sp->state=%x\n", __func__
, ha
->host_no
, sp
, serial
,
624 DEBUG3(qla2x00_print_scsi_cmd(cmd
);)
626 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
627 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
628 DEBUG2(printk("%s(%ld): abort_command "
629 "mbx failed.\n", __func__
, ha
->host_no
));
631 DEBUG3(printk("%s(%ld): abort_command "
632 "mbx success.\n", __func__
, ha
->host_no
));
635 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
639 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
641 /* Wait for the command to be returned. */
642 if (ret
== SUCCESS
) {
643 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
644 qla_printk(KERN_ERR
, ha
,
645 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
646 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
650 qla_printk(KERN_INFO
, ha
,
651 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha
->host_no
,
652 id
, lun
, serial
, ret
);
657 /**************************************************************************
658 * qla2x00_eh_wait_for_pending_target_commands
661 * Waits for all the commands to come back from the specified target.
664 * ha - pointer to scsi_qla_host structure.
667 * Either SUCCESS or FAILED.
670 **************************************************************************/
672 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
677 struct scsi_cmnd
*cmd
;
683 * Waiting for all commands for the designated target in the active
686 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
687 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
688 sp
= ha
->outstanding_cmds
[cnt
];
691 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
692 if (cmd
->device
->id
== t
) {
693 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
699 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
706 /**************************************************************************
707 * qla2xxx_eh_device_reset
710 * The device reset function will reset the target and abort any
711 * executing commands.
713 * NOTE: The use of SP is undefined within this context. Do *NOT*
714 * attempt to use this value, even if you determine it is
718 * cmd = Linux SCSI command packet of the command that cause the
722 * SUCCESS/FAILURE (defined as macro in scsi.h).
724 **************************************************************************/
726 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
728 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
729 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
732 unsigned int id
, lun
;
733 unsigned long serial
;
737 id
= cmd
->device
->id
;
738 lun
= cmd
->device
->lun
;
739 serial
= cmd
->serial_number
;
741 sp
= (srb_t
*) CMD_SP(cmd
);
745 qla_printk(KERN_INFO
, ha
,
746 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
748 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
749 goto eh_dev_reset_done
;
751 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
752 if (qla2x00_device_reset(ha
, fcport
) == 0)
755 #if defined(LOGOUT_AFTER_DEVICE_RESET)
756 if (ret
== SUCCESS
) {
757 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
758 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
759 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
764 DEBUG2(printk(KERN_INFO
765 "%s failed: loop not ready\n",__func__
);)
769 DEBUG3(printk("%s(%ld): device reset failed\n",
770 __func__
, ha
->host_no
));
771 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
774 goto eh_dev_reset_done
;
777 /* Flush outstanding commands. */
778 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
781 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
782 __func__
, ha
->host_no
));
783 qla_printk(KERN_INFO
, ha
,
784 "%s: failed while waiting for commands\n", __func__
);
786 qla_printk(KERN_INFO
, ha
,
787 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
793 /**************************************************************************
794 * qla2x00_eh_wait_for_pending_commands
797 * Waits for all the commands to come back from the specified host.
800 * ha - pointer to scsi_qla_host structure.
807 **************************************************************************/
809 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
814 struct scsi_cmnd
*cmd
;
820 * Waiting for all commands for the designated target in the active
823 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
824 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
825 sp
= ha
->outstanding_cmds
[cnt
];
828 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
829 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
834 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
841 /**************************************************************************
842 * qla2xxx_eh_bus_reset
845 * The bus reset function will reset the bus and abort any executing
849 * cmd = Linux SCSI command packet of the command that cause the
853 * SUCCESS/FAILURE (defined as macro in scsi.h).
855 **************************************************************************/
857 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
859 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
860 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
863 unsigned int id
, lun
;
864 unsigned long serial
;
868 id
= cmd
->device
->id
;
869 lun
= cmd
->device
->lun
;
870 serial
= cmd
->serial_number
;
872 sp
= (srb_t
*) CMD_SP(cmd
);
876 qla_printk(KERN_INFO
, ha
,
877 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
879 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
880 DEBUG2(printk("%s failed:board disabled\n",__func__
));
881 goto eh_bus_reset_done
;
884 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
885 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
889 goto eh_bus_reset_done
;
891 /* Flush outstanding commands. */
892 if (!qla2x00_eh_wait_for_pending_commands(ha
))
896 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
897 (ret
== FAILED
) ? "failed" : "succeded");
902 /**************************************************************************
903 * qla2xxx_eh_host_reset
906 * The reset function will reset the Adapter.
909 * cmd = Linux SCSI command packet of the command that cause the
913 * Either SUCCESS or FAILED.
916 **************************************************************************/
918 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
920 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
921 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
924 unsigned int id
, lun
;
925 unsigned long serial
;
929 id
= cmd
->device
->id
;
930 lun
= cmd
->device
->lun
;
931 serial
= cmd
->serial_number
;
933 sp
= (srb_t
*) CMD_SP(cmd
);
937 qla_printk(KERN_INFO
, ha
,
938 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
940 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
941 goto eh_host_reset_lock
;
944 * Fixme-may be dpc thread is active and processing
945 * loop_resync,so wait a while for it to
946 * be completed and then issue big hammer.Otherwise
947 * it may cause I/O failure as big hammer marks the
948 * devices as lost kicking of the port_down_timer
949 * while dpc is stuck for the mailbox to complete.
951 qla2x00_wait_for_loop_ready(ha
);
952 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
953 if (qla2x00_abort_isp(ha
)) {
954 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
955 /* failed. schedule dpc to try */
956 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
958 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
959 goto eh_host_reset_lock
;
961 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
963 /* Waiting for our command in done_queue to be returned to OS.*/
964 if (qla2x00_eh_wait_for_pending_commands(ha
))
968 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
969 (ret
== FAILED
) ? "failed" : "succeded");
979 * ha = adapter block pointer.
985 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
987 int status
= QLA_SUCCESS
;
988 struct fc_port
*fcport
;
990 if (ha
->flags
.enable_lip_reset
) {
991 status
= qla2x00_lip_reset(ha
);
994 if (status
== QLA_SUCCESS
&& ha
->flags
.enable_target_reset
) {
995 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
996 if (fcport
->port_type
!= FCT_TARGET
)
999 status
= qla2x00_device_reset(ha
, fcport
);
1000 if (status
!= QLA_SUCCESS
)
1005 if (status
== QLA_SUCCESS
&&
1006 ((!ha
->flags
.enable_target_reset
&&
1007 !ha
->flags
.enable_lip_reset
) ||
1008 ha
->flags
.enable_lip_full_login
)) {
1010 status
= qla2x00_full_login_lip(ha
);
1013 /* Issue marker command only when we are going to start the I/O */
1014 ha
->marker_needed
= 1;
1018 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1023 DEBUG3(printk("%s(%ld): exiting normally.\n",
1032 * qla2x00_device_reset
1033 * Issue bus device reset message to the target.
1036 * ha = adapter block pointer.
1038 * TARGET_QUEUE_LOCK must be released.
1039 * ADAPTER_STATE_LOCK must be released.
1045 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1047 /* Abort Target command will clear Reservation */
1048 return ha
->isp_ops
.abort_target(reset_fcport
);
1052 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1054 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1056 if (!rport
|| fc_remote_port_chkready(rport
))
1059 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1065 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1067 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1068 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1070 if (sdev
->tagged_supported
)
1071 scsi_activate_tcq(sdev
, 32);
1073 scsi_deactivate_tcq(sdev
, 32);
1075 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1081 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1083 sdev
->hostdata
= NULL
;
1087 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1089 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1090 return sdev
->queue_depth
;
1094 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1096 if (sdev
->tagged_supported
) {
1097 scsi_set_tag_type(sdev
, tag_type
);
1099 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1101 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1109 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1112 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1113 * supported addressing method.
1116 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1118 /* Assume a 32bit DMA mask. */
1119 ha
->flags
.enable_64bit_addressing
= 0;
1121 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1122 /* Any upper-dword bits set? */
1123 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1124 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1125 /* Ok, a 64bit DMA mask is applicable. */
1126 ha
->flags
.enable_64bit_addressing
= 1;
1127 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1128 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1133 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1134 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1138 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1140 unsigned long pio
, pio_len
, pio_flags
;
1141 unsigned long mmio
, mmio_len
, mmio_flags
;
1143 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1144 pio
= pci_resource_start(ha
->pdev
, 0);
1145 pio_len
= pci_resource_len(ha
->pdev
, 0);
1146 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1147 if (pio_flags
& IORESOURCE_IO
) {
1148 if (pio_len
< MIN_IOBASE_LEN
) {
1149 qla_printk(KERN_WARNING
, ha
,
1150 "Invalid PCI I/O region size (%s)...\n",
1151 pci_name(ha
->pdev
));
1155 qla_printk(KERN_WARNING
, ha
,
1156 "region #0 not a PIO resource (%s)...\n",
1157 pci_name(ha
->pdev
));
1161 /* Use MMIO operations for all accesses. */
1162 mmio
= pci_resource_start(ha
->pdev
, 1);
1163 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1164 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1166 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1167 qla_printk(KERN_ERR
, ha
,
1168 "region #0 not an MMIO resource (%s), aborting\n",
1169 pci_name(ha
->pdev
));
1170 goto iospace_error_exit
;
1172 if (mmio_len
< MIN_IOBASE_LEN
) {
1173 qla_printk(KERN_ERR
, ha
,
1174 "Invalid PCI mem region size (%s), aborting\n",
1175 pci_name(ha
->pdev
));
1176 goto iospace_error_exit
;
1179 if (pci_request_regions(ha
->pdev
, ha
->brd_info
->drv_name
)) {
1180 qla_printk(KERN_WARNING
, ha
,
1181 "Failed to reserve PIO/MMIO regions (%s)\n",
1182 pci_name(ha
->pdev
));
1184 goto iospace_error_exit
;
1187 ha
->pio_address
= pio
;
1188 ha
->pio_length
= pio_len
;
1189 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1191 qla_printk(KERN_ERR
, ha
,
1192 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1194 goto iospace_error_exit
;
1204 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1206 unsigned long flags
= 0;
1207 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1209 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1210 ha
->interrupts_on
= 1;
1211 /* enable risc and host interrupts */
1212 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1213 RD_REG_WORD(®
->ictrl
);
1214 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1219 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1221 unsigned long flags
= 0;
1222 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1224 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1225 ha
->interrupts_on
= 0;
1226 /* disable risc and host interrupts */
1227 WRT_REG_WORD(®
->ictrl
, 0);
1228 RD_REG_WORD(®
->ictrl
);
1229 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1233 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1235 unsigned long flags
= 0;
1236 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1238 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1239 ha
->interrupts_on
= 1;
1240 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1241 RD_REG_DWORD(®
->ictrl
);
1242 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1246 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1248 unsigned long flags
= 0;
1249 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1251 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1252 ha
->interrupts_on
= 0;
1253 WRT_REG_DWORD(®
->ictrl
, 0);
1254 RD_REG_DWORD(®
->ictrl
);
1255 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1259 * PCI driver interface
1261 int qla2x00_probe_one(struct pci_dev
*pdev
, struct qla_board_info
*brd_info
)
1264 device_reg_t __iomem
*reg
;
1265 struct Scsi_Host
*host
;
1266 scsi_qla_host_t
*ha
;
1267 unsigned long flags
= 0;
1268 unsigned long wait_switch
= 0;
1272 struct scsi_host_template
*sht
;
1274 if (pci_enable_device(pdev
))
1277 sht
= &qla2x00_driver_template
;
1278 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1279 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
)
1280 sht
= &qla24xx_driver_template
;
1281 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1284 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1285 goto probe_disable_device
;
1288 /* Clear our data area */
1289 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1290 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1294 ha
->host_no
= host
->host_no
;
1295 ha
->brd_info
= brd_info
;
1296 sprintf(ha
->host_str
, "%s_%ld", ha
->brd_info
->drv_name
, ha
->host_no
);
1300 /* Configure PCI I/O space */
1301 ret
= qla2x00_iospace_config(ha
);
1305 qla_printk(KERN_INFO
, ha
,
1306 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1309 spin_lock_init(&ha
->hardware_lock
);
1311 ha
->prev_topology
= 0;
1312 ha
->ports
= MAX_BUSES
;
1313 ha
->init_cb_size
= sizeof(init_cb_t
);
1314 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1316 /* Assign ISP specific operations. */
1317 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1318 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1319 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1320 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1321 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1322 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1323 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1324 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1325 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1326 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1327 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1328 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1329 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1330 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1331 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1332 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1333 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1334 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1335 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1336 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1337 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1338 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1339 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1340 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1341 ha
->isp_ops
.ascii_fw_dump
= qla2100_ascii_fw_dump
;
1342 if (IS_QLA2100(ha
)) {
1343 host
->max_id
= MAX_TARGETS_2100
;
1344 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1345 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1346 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1347 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1348 host
->sg_tablesize
= 32;
1349 ha
->gid_list_info_size
= 4;
1350 } else if (IS_QLA2200(ha
)) {
1351 host
->max_id
= MAX_TARGETS_2200
;
1352 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1353 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1354 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1355 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1356 ha
->gid_list_info_size
= 4;
1357 } else if (IS_QLA23XX(ha
)) {
1358 host
->max_id
= MAX_TARGETS_2200
;
1359 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1360 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1361 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1362 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1363 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1364 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1365 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1366 ha
->isp_ops
.ascii_fw_dump
= qla2300_ascii_fw_dump
;
1367 ha
->gid_list_info_size
= 6;
1368 } else if (IS_QLA24XX(ha
) || IS_QLA25XX(ha
)) {
1369 host
->max_id
= MAX_TARGETS_2200
;
1370 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1371 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1372 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1373 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1374 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1375 ha
->mgmt_svr_loop_id
= 10;
1376 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1377 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1378 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1379 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1380 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1381 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1382 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1383 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1384 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
1385 if (ql2xfwloadflash
)
1386 ha
->isp_ops
.load_risc
= qla24xx_load_risc_flash
;
1388 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1389 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1390 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1391 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1392 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1393 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1394 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1395 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1396 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1397 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1398 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1399 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1400 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1401 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1402 ha
->isp_ops
.ascii_fw_dump
= qla24xx_ascii_fw_dump
;
1403 ha
->gid_list_info_size
= 8;
1405 host
->can_queue
= ha
->request_q_length
+ 128;
1407 /* load the F/W, read paramaters, and init the H/W */
1408 ha
->instance
= num_hosts
;
1410 init_MUTEX(&ha
->mbx_cmd_sem
);
1411 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1413 INIT_LIST_HEAD(&ha
->list
);
1414 INIT_LIST_HEAD(&ha
->fcports
);
1415 INIT_LIST_HEAD(&ha
->rscn_fcports
);
1418 * These locks are used to prevent more than one CPU
1419 * from modifying the queue at the same time. The
1420 * higher level "host_lock" will reduce most
1421 * contention for these locks.
1423 spin_lock_init(&ha
->mbx_reg_lock
);
1425 init_completion(&ha
->dpc_inited
);
1426 init_completion(&ha
->dpc_exited
);
1428 qla2x00_config_dma_addressing(ha
);
1429 if (qla2x00_mem_alloc(ha
)) {
1430 qla_printk(KERN_WARNING
, ha
,
1431 "[ERROR] Failed to allocate memory for adapter\n");
1437 if (qla2x00_initialize_adapter(ha
) &&
1438 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1440 qla_printk(KERN_WARNING
, ha
,
1441 "Failed to initialize adapter\n");
1443 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1444 "Adapter flags %x.\n",
1445 ha
->host_no
, ha
->device_flags
));
1452 * Startup the kernel thread for this host adapter
1454 ha
->dpc_should_die
= 0;
1455 ha
->dpc_pid
= kernel_thread(qla2x00_do_dpc
, ha
, 0);
1456 if (ha
->dpc_pid
< 0) {
1457 qla_printk(KERN_WARNING
, ha
,
1458 "Unable to start DPC thread!\n");
1463 wait_for_completion(&ha
->dpc_inited
);
1465 host
->this_id
= 255;
1466 host
->cmd_per_lun
= 3;
1467 host
->unique_id
= ha
->instance
;
1468 host
->max_cmd_len
= MAX_CMDSZ
;
1469 host
->max_channel
= ha
->ports
- 1;
1470 host
->max_lun
= MAX_LUNS
;
1471 host
->transportt
= qla2xxx_transport_template
;
1473 ret
= request_irq(pdev
->irq
, ha
->isp_ops
.intr_handler
,
1474 SA_INTERRUPT
|SA_SHIRQ
, ha
->brd_info
->drv_name
, ha
);
1476 qla_printk(KERN_WARNING
, ha
,
1477 "Failed to reserve interrupt %d already in use.\n",
1481 host
->irq
= pdev
->irq
;
1483 /* Initialized the timer */
1484 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1486 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1489 ha
->isp_ops
.disable_intrs(ha
);
1491 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1493 if (IS_QLA24XX(ha
) || IS_QLA25XX(ha
)) {
1494 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1495 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1497 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1498 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1499 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1501 /* Enable proper parity */
1502 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1505 WRT_REG_WORD(®
->isp
.hccr
,
1506 (HCCR_ENABLE_PARITY
+ 0x1));
1508 /* SRAM, Instruction RAM and GP RAM parity */
1509 WRT_REG_WORD(®
->isp
.hccr
,
1510 (HCCR_ENABLE_PARITY
+ 0x7));
1513 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1515 ha
->isp_ops
.enable_intrs(ha
);
1519 * Wait around max loop_reset_delay secs for the devices to come
1520 * on-line. We don't want Linux scanning before we are ready.
1523 for (wait_switch
= jiffies
+ (ha
->loop_reset_delay
* HZ
);
1524 time_before(jiffies
,wait_switch
) &&
1525 !(ha
->device_flags
& (DFLG_NO_CABLE
| DFLG_FABRIC_DEVICES
))
1526 && (ha
->device_flags
& SWITCH_FOUND
) ;) {
1528 qla2x00_check_fabric_devices(ha
);
1533 pci_set_drvdata(pdev
, ha
);
1534 ha
->flags
.init_done
= 1;
1537 ret
= scsi_add_host(host
, &pdev
->dev
);
1541 qla2x00_alloc_sysfs_attr(ha
);
1543 qla2x00_init_host_attr(ha
);
1545 qla_printk(KERN_INFO
, ha
, "\n"
1546 " QLogic Fibre Channel HBA Driver: %s\n"
1548 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1549 qla2x00_version_str
, ha
->model_number
,
1550 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1551 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1552 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1553 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1555 /* Go with fc_rport registration. */
1556 list_for_each_entry(fcport
, &ha
->fcports
, list
)
1557 qla2x00_reg_remote_port(ha
, fcport
);
1562 qla2x00_free_device(ha
);
1564 scsi_host_put(host
);
1566 probe_disable_device
:
1567 pci_disable_device(pdev
);
1572 EXPORT_SYMBOL_GPL(qla2x00_probe_one
);
1574 void qla2x00_remove_one(struct pci_dev
*pdev
)
1576 scsi_qla_host_t
*ha
;
1578 ha
= pci_get_drvdata(pdev
);
1580 qla2x00_free_sysfs_attr(ha
);
1582 fc_remove_host(ha
->host
);
1584 scsi_remove_host(ha
->host
);
1586 qla2x00_free_device(ha
);
1588 scsi_host_put(ha
->host
);
1590 pci_set_drvdata(pdev
, NULL
);
1592 EXPORT_SYMBOL_GPL(qla2x00_remove_one
);
1595 qla2x00_free_device(scsi_qla_host_t
*ha
)
1599 /* Abort any outstanding IO descriptors. */
1600 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
))
1601 qla2x00_cancel_io_descriptors(ha
);
1604 if (ha
->timer_active
)
1605 qla2x00_stop_timer(ha
);
1607 /* Kill the kernel thread for this host */
1608 if (ha
->dpc_pid
>= 0) {
1609 ha
->dpc_should_die
= 1;
1611 ret
= kill_proc(ha
->dpc_pid
, SIGHUP
, 1);
1613 qla_printk(KERN_ERR
, ha
,
1614 "Unable to signal DPC thread -- (%d)\n", ret
);
1616 /* TODO: SOMETHING MORE??? */
1618 wait_for_completion(&ha
->dpc_exited
);
1622 /* Stop currently executing firmware. */
1623 qla2x00_stop_firmware(ha
);
1625 /* turn-off interrupts on the card */
1626 if (ha
->interrupts_on
)
1627 ha
->isp_ops
.disable_intrs(ha
);
1629 qla2x00_mem_free(ha
);
1631 ha
->flags
.online
= 0;
1633 /* Detach interrupts */
1635 free_irq(ha
->pdev
->irq
, ha
);
1637 /* release io space registers */
1639 iounmap(ha
->iobase
);
1640 pci_release_regions(ha
->pdev
);
1642 pci_disable_device(ha
->pdev
);
1646 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1649 unsigned long flags
;
1650 struct fc_rport
*rport
;
1655 rport
= fcport
->rport
;
1657 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1658 fcport
->drport
= rport
;
1659 fcport
->rport
= NULL
;
1660 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1661 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1663 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1664 fcport
->rport
= NULL
;
1665 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1666 fc_remote_port_delete(rport
);
1671 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1673 * Input: ha = adapter block pointer. fcport = port structure pointer.
1679 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1680 int do_login
, int defer
)
1682 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1683 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1686 * We may need to retry the login, so don't change the state of the
1687 * port but do the retries.
1689 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1690 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1695 if (fcport
->login_retry
== 0) {
1696 fcport
->login_retry
= ha
->login_retry_count
;
1697 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1699 DEBUG(printk("scsi(%ld): Port login retry: "
1700 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1701 "id = 0x%04x retry cnt=%d\n",
1703 fcport
->port_name
[0],
1704 fcport
->port_name
[1],
1705 fcport
->port_name
[2],
1706 fcport
->port_name
[3],
1707 fcport
->port_name
[4],
1708 fcport
->port_name
[5],
1709 fcport
->port_name
[6],
1710 fcport
->port_name
[7],
1712 fcport
->login_retry
));
1717 * qla2x00_mark_all_devices_lost
1718 * Updates fcport state when device goes offline.
1721 * ha = adapter block pointer.
1722 * fcport = port structure pointer.
1730 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1734 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1735 if (fcport
->port_type
!= FCT_TARGET
)
1739 * No point in marking the device as lost, if the device is
1742 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1744 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1745 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1746 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1749 if (defer
&& ha
->dpc_wait
&& !ha
->dpc_active
)
1755 * Allocates adapter memory.
1762 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1770 * This will loop only once if everything goes well, else some
1771 * number of retries will be performed to get around a kernel
1772 * bug where available mem is not allocated until after a
1773 * little delay and a retry.
1775 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1776 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1777 &ha
->request_dma
, GFP_KERNEL
);
1778 if (ha
->request_ring
== NULL
) {
1779 qla_printk(KERN_WARNING
, ha
,
1780 "Memory Allocation failed - request_ring\n");
1782 qla2x00_mem_free(ha
);
1788 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1789 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1790 &ha
->response_dma
, GFP_KERNEL
);
1791 if (ha
->response_ring
== NULL
) {
1792 qla_printk(KERN_WARNING
, ha
,
1793 "Memory Allocation failed - response_ring\n");
1795 qla2x00_mem_free(ha
);
1801 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1802 &ha
->gid_list_dma
, GFP_KERNEL
);
1803 if (ha
->gid_list
== NULL
) {
1804 qla_printk(KERN_WARNING
, ha
,
1805 "Memory Allocation failed - gid_list\n");
1807 qla2x00_mem_free(ha
);
1813 ha
->rlc_rsp
= dma_alloc_coherent(&ha
->pdev
->dev
,
1814 sizeof(rpt_lun_cmd_rsp_t
), &ha
->rlc_rsp_dma
, GFP_KERNEL
);
1815 if (ha
->rlc_rsp
== NULL
) {
1816 qla_printk(KERN_WARNING
, ha
,
1817 "Memory Allocation failed - rlc");
1819 qla2x00_mem_free(ha
);
1825 snprintf(name
, sizeof(name
), "qla2xxx_%ld", ha
->host_no
);
1826 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1827 DMA_POOL_SIZE
, 8, 0);
1828 if (ha
->s_dma_pool
== NULL
) {
1829 qla_printk(KERN_WARNING
, ha
,
1830 "Memory Allocation failed - s_dma_pool\n");
1832 qla2x00_mem_free(ha
);
1838 /* get consistent memory allocated for init control block */
1839 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1841 if (ha
->init_cb
== NULL
) {
1842 qla_printk(KERN_WARNING
, ha
,
1843 "Memory Allocation failed - init_cb\n");
1845 qla2x00_mem_free(ha
);
1850 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1852 /* Get consistent memory allocated for Get Port Database cmd */
1853 ha
->iodesc_pd
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1854 &ha
->iodesc_pd_dma
);
1855 if (ha
->iodesc_pd
== NULL
) {
1857 qla_printk(KERN_WARNING
, ha
,
1858 "Memory Allocation failed - iodesc_pd\n");
1860 qla2x00_mem_free(ha
);
1865 memset(ha
->iodesc_pd
, 0, PORT_DATABASE_SIZE
);
1867 /* Allocate ioctl related memory. */
1868 if (qla2x00_alloc_ioctl_mem(ha
)) {
1869 qla_printk(KERN_WARNING
, ha
,
1870 "Memory Allocation failed - ioctl_mem\n");
1872 qla2x00_mem_free(ha
);
1878 if (qla2x00_allocate_sp_pool(ha
)) {
1879 qla_printk(KERN_WARNING
, ha
,
1880 "Memory Allocation failed - "
1881 "qla2x00_allocate_sp_pool()\n");
1883 qla2x00_mem_free(ha
);
1889 /* Allocate memory for SNS commands */
1890 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1891 /* Get consistent memory allocated for SNS commands */
1892 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1893 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1895 if (ha
->sns_cmd
== NULL
) {
1897 qla_printk(KERN_WARNING
, ha
,
1898 "Memory Allocation failed - sns_cmd\n");
1900 qla2x00_mem_free(ha
);
1905 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1907 /* Get consistent memory allocated for MS IOCB */
1908 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1910 if (ha
->ms_iocb
== NULL
) {
1912 qla_printk(KERN_WARNING
, ha
,
1913 "Memory Allocation failed - ms_iocb\n");
1915 qla2x00_mem_free(ha
);
1920 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
1923 * Get consistent memory allocated for CT SNS
1926 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
1927 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
1929 if (ha
->ct_sns
== NULL
) {
1931 qla_printk(KERN_WARNING
, ha
,
1932 "Memory Allocation failed - ct_sns\n");
1934 qla2x00_mem_free(ha
);
1939 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
1942 /* Done all allocations without any error. */
1945 } while (retry
-- && status
!= 0);
1949 "%s(): **** FAILED ****\n", __func__
);
1957 * Frees all adapter allocated memory.
1960 * ha = adapter block pointer.
1963 qla2x00_mem_free(scsi_qla_host_t
*ha
)
1965 struct list_head
*fcpl
, *fcptemp
;
1967 unsigned int wtime
;/* max wait time if mbx cmd is busy. */
1971 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
1975 /* Make sure all other threads are stopped. */
1977 while (ha
->dpc_wait
&& wtime
)
1978 wtime
= msleep_interruptible(wtime
);
1980 /* free ioctl memory */
1981 qla2x00_free_ioctl_mem(ha
);
1984 qla2x00_free_sp_pool(ha
);
1987 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
1988 ha
->sns_cmd
, ha
->sns_cmd_dma
);
1991 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
1992 ha
->ct_sns
, ha
->ct_sns_dma
);
1995 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
1998 dma_pool_free(ha
->s_dma_pool
, ha
->iodesc_pd
, ha
->iodesc_pd_dma
);
2001 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2004 dma_pool_destroy(ha
->s_dma_pool
);
2007 dma_free_coherent(&ha
->pdev
->dev
,
2008 sizeof(rpt_lun_cmd_rsp_t
), ha
->rlc_rsp
,
2012 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2015 if (ha
->response_ring
)
2016 dma_free_coherent(&ha
->pdev
->dev
,
2017 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2018 ha
->response_ring
, ha
->response_dma
);
2020 if (ha
->request_ring
)
2021 dma_free_coherent(&ha
->pdev
->dev
,
2022 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2023 ha
->request_ring
, ha
->request_dma
);
2026 ha
->sns_cmd_dma
= 0;
2030 ha
->ms_iocb_dma
= 0;
2031 ha
->iodesc_pd
= NULL
;
2032 ha
->iodesc_pd_dma
= 0;
2034 ha
->init_cb_dma
= 0;
2036 ha
->s_dma_pool
= NULL
;
2039 ha
->rlc_rsp_dma
= 0;
2040 ha
->gid_list
= NULL
;
2041 ha
->gid_list_dma
= 0;
2043 ha
->response_ring
= NULL
;
2044 ha
->response_dma
= 0;
2045 ha
->request_ring
= NULL
;
2046 ha
->request_dma
= 0;
2048 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2049 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2052 list_del_init(&fcport
->list
);
2055 INIT_LIST_HEAD(&ha
->fcports
);
2058 free_pages((unsigned long)ha
->fw_dump
, ha
->fw_dump_order
);
2060 vfree(ha
->fw_dump24
);
2062 vfree(ha
->fw_dump_buffer
);
2065 ha
->fw_dump24
= NULL
;
2067 ha
->fw_dump_reading
= 0;
2068 ha
->fw_dump_buffer
= NULL
;
2072 * qla2x00_allocate_sp_pool
2073 * This routine is called during initialization to allocate
2074 * memory for local srb_t.
2077 * ha = adapter block pointer.
2082 * Note: Sets the ref_count for non Null sp to one.
2085 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2090 ha
->srb_mempool
= mempool_create(SRB_MIN_REQ
, mempool_alloc_slab
,
2091 mempool_free_slab
, srb_cachep
);
2092 if (ha
->srb_mempool
== NULL
) {
2093 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2094 rval
= QLA_FUNCTION_FAILED
;
2100 * This routine frees all adapter allocated memory.
2104 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2106 if (ha
->srb_mempool
) {
2107 mempool_destroy(ha
->srb_mempool
);
2108 ha
->srb_mempool
= NULL
;
2112 /**************************************************************************
2114 * This kernel thread is a task that is schedule by the interrupt handler
2115 * to perform the background processing for interrupts.
2118 * This task always run in the context of a kernel thread. It
2119 * is kick-off by the driver's detect code and starts up
2120 * up one per adapter. It immediately goes to sleep and waits for
2121 * some fibre event. When either the interrupt handler or
2122 * the timer routine detects a event it will one of the task
2123 * bits then wake us up.
2124 **************************************************************************/
2126 qla2x00_do_dpc(void *data
)
2128 DECLARE_MUTEX_LOCKED(sem
);
2129 scsi_qla_host_t
*ha
;
2132 uint16_t next_loopid
;
2134 ha
= (scsi_qla_host_t
*)data
;
2138 daemonize("%s_dpc", ha
->host_str
);
2139 allow_signal(SIGHUP
);
2141 ha
->dpc_wait
= &sem
;
2143 set_user_nice(current
, -20);
2147 complete(&ha
->dpc_inited
);
2150 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2152 if (down_interruptible(&sem
))
2155 if (ha
->dpc_should_die
)
2158 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2160 /* Initialization not yet finished. Don't do anything yet. */
2161 if (!ha
->flags
.init_done
|| ha
->dpc_active
)
2164 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2168 if (ha
->flags
.mbox_busy
) {
2173 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2175 DEBUG(printk("scsi(%ld): dpc: sched "
2176 "qla2x00_abort_isp ha = %p\n",
2178 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2181 if (qla2x00_abort_isp(ha
)) {
2182 /* failed. retry later */
2183 set_bit(ISP_ABORT_NEEDED
,
2186 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2188 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2192 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2193 qla2x00_update_fcports(ha
);
2195 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2196 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2198 qla2x00_loop_reset(ha
);
2201 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2202 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2204 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2207 qla2x00_rst_aen(ha
);
2208 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2211 /* Retry each device up to login retry count */
2212 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2213 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2214 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2216 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2220 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2221 if (fcport
->port_type
!= FCT_TARGET
)
2225 * If the port is not ONLINE then try to login
2226 * to it if we haven't run out of retries.
2228 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2229 fcport
->login_retry
) {
2231 fcport
->login_retry
--;
2232 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2235 ha
->isp_ops
.fabric_logout(
2236 ha
, fcport
->loop_id
,
2237 fcport
->d_id
.b
.domain
,
2238 fcport
->d_id
.b
.area
,
2239 fcport
->d_id
.b
.al_pa
);
2240 status
= qla2x00_fabric_login(
2241 ha
, fcport
, &next_loopid
);
2244 qla2x00_local_device_login(
2245 ha
, fcport
->loop_id
);
2247 if (status
== QLA_SUCCESS
) {
2248 fcport
->old_loop_id
= fcport
->loop_id
;
2250 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2251 ha
->host_no
, fcport
->loop_id
));
2253 qla2x00_update_fcport(ha
,
2255 } else if (status
== 1) {
2256 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2257 /* retry the login again */
2258 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2260 fcport
->login_retry
, fcport
->loop_id
));
2262 fcport
->login_retry
= 0;
2265 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2268 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2272 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2273 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2275 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2276 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2279 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2281 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2285 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2287 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2290 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2293 qla2x00_loop_resync(ha
);
2295 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2298 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2302 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2304 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2307 qla2x00_rescan_fcports(ha
);
2309 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2314 if (!ha
->interrupts_on
)
2315 ha
->isp_ops
.enable_intrs(ha
);
2318 } /* End of while(1) */
2320 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2323 * Make sure that nobody tries to wake us up again.
2325 ha
->dpc_wait
= NULL
;
2328 complete_and_exit(&ha
->dpc_exited
, 0);
2333 * Processes asynchronous reset.
2336 * ha = adapter block pointer.
2339 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2341 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2342 !atomic_read(&ha
->loop_down_timer
) &&
2343 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2345 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2348 * Issue marker command only when we are going to start
2351 ha
->marker_needed
= 1;
2352 } while (!atomic_read(&ha
->loop_down_timer
) &&
2353 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2358 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2360 struct scsi_cmnd
*cmd
= sp
->cmd
;
2362 if (sp
->flags
& SRB_DMA_VALID
) {
2364 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2365 cmd
->use_sg
, cmd
->sc_data_direction
);
2366 } else if (cmd
->request_bufflen
) {
2367 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2368 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2370 sp
->flags
&= ~SRB_DMA_VALID
;
2376 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2378 struct scsi_cmnd
*cmd
= sp
->cmd
;
2380 qla2x00_sp_free_dma(ha
, sp
);
2382 mempool_free(sp
, ha
->srb_mempool
);
2384 cmd
->scsi_done(cmd
);
2387 /**************************************************************************
2393 * Context: Interrupt
2394 ***************************************************************************/
2396 qla2x00_timer(scsi_qla_host_t
*ha
)
2398 unsigned long cpu_flags
= 0;
2406 * Ports - Port down timer.
2408 * Whenever, a port is in the LOST state we start decrementing its port
2409 * down timer every second until it reaches zero. Once it reaches zero
2410 * the port it marked DEAD.
2413 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2414 if (fcport
->port_type
!= FCT_TARGET
)
2417 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2419 if (atomic_read(&fcport
->port_down_timer
) == 0)
2422 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2423 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2425 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2428 t
, atomic_read(&fcport
->port_down_timer
)));
2431 } /* End of for fcport */
2434 /* Loop down handler. */
2435 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2436 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2438 if (atomic_read(&ha
->loop_down_timer
) ==
2439 ha
->loop_down_abort_time
) {
2441 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2442 "queues before time expire\n",
2445 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2446 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2448 /* Schedule an ISP abort to return any tape commands. */
2449 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2450 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2454 sp
= ha
->outstanding_cmds
[index
];
2458 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2461 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2464 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2466 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2470 /* if the loop has been down for 4 minutes, reinit adapter */
2471 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2472 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2473 "restarting queues.\n",
2476 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2479 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2480 DEBUG(printk("scsi(%ld): Loop down - "
2483 qla_printk(KERN_WARNING
, ha
,
2484 "Loop down - aborting ISP.\n");
2486 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2489 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2491 atomic_read(&ha
->loop_down_timer
)));
2494 /* Schedule the DPC routine if needed */
2495 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2496 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2497 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2498 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2500 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2501 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2502 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2503 ha
->dpc_wait
&& !ha
->dpc_active
) {
2508 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2511 /* XXX(hch): crude hack to emulate a down_timeout() */
2513 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2515 const unsigned int step
= 100; /* msecs */
2516 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2519 if (!down_trylock(sema
))
2521 if (msleep_interruptible(step
))
2523 } while (--iterations
>= 0);
2528 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2530 #define qla2x00_release_firmware() do { } while (0)
2531 #define qla2x00_pci_module_init() (0)
2532 #define qla2x00_pci_module_exit() do { } while (0)
2534 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
2536 /* Firmware interface routines. */
2539 #define FW_ISP21XX 0
2540 #define FW_ISP22XX 1
2541 #define FW_ISP2300 2
2542 #define FW_ISP2322 3
2543 #define FW_ISP63XX 4
2544 #define FW_ISP24XX 5
2546 static DECLARE_MUTEX(qla_fw_lock
);
2548 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2549 { .name
= "ql2100_fw.bin", .segs
= { 0x1000, 0 }, },
2550 { .name
= "ql2200_fw.bin", .segs
= { 0x1000, 0 }, },
2551 { .name
= "ql2300_fw.bin", .segs
= { 0x800, 0 }, },
2552 { .name
= "ql2322_fw.bin", .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2553 { .name
= "ql6312_fw.bin", .segs
= { 0x800, 0 }, },
2554 { .name
= "ql2400_fw.bin", },
2558 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2560 struct fw_blob
*blob
;
2563 if (IS_QLA2100(ha
)) {
2564 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2565 } else if (IS_QLA2200(ha
)) {
2566 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2567 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
)) {
2568 blob
= &qla_fw_blobs
[FW_ISP2300
];
2569 } else if (IS_QLA2322(ha
)) {
2570 blob
= &qla_fw_blobs
[FW_ISP2322
];
2571 } else if (IS_QLA6312(ha
) || IS_QLA6322(ha
)) {
2572 blob
= &qla_fw_blobs
[FW_ISP63XX
];
2573 } else if (IS_QLA24XX(ha
)) {
2574 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2581 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2582 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2583 "(%s).\n", ha
->host_no
, blob
->name
));
2595 qla2x00_release_firmware(void)
2600 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2601 if (qla_fw_blobs
[idx
].fw
)
2602 release_firmware(qla_fw_blobs
[idx
].fw
);
2606 static struct qla_board_info qla_board_tbl
= {
2607 .drv_name
= "qla2xxx",
2610 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2611 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
,
2612 PCI_ANY_ID
, PCI_ANY_ID
, },
2613 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
,
2614 PCI_ANY_ID
, PCI_ANY_ID
, },
2615 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
,
2616 PCI_ANY_ID
, PCI_ANY_ID
, },
2617 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
,
2618 PCI_ANY_ID
, PCI_ANY_ID
, },
2619 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
,
2620 PCI_ANY_ID
, PCI_ANY_ID
, },
2621 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
,
2622 PCI_ANY_ID
, PCI_ANY_ID
, },
2623 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
,
2624 PCI_ANY_ID
, PCI_ANY_ID
, },
2625 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
,
2626 PCI_ANY_ID
, PCI_ANY_ID
, },
2627 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
,
2628 PCI_ANY_ID
, PCI_ANY_ID
, },
2631 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2633 static int __devinit
2634 qla2xxx_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
2636 return qla2x00_probe_one(pdev
, &qla_board_tbl
);
2639 static void __devexit
2640 qla2xxx_remove_one(struct pci_dev
*pdev
)
2642 qla2x00_remove_one(pdev
);
2645 static struct pci_driver qla2xxx_pci_driver
= {
2648 .owner
= THIS_MODULE
,
2650 .id_table
= qla2xxx_pci_tbl
,
2651 .probe
= qla2xxx_probe_one
,
2652 .remove
= __devexit_p(qla2xxx_remove_one
),
2656 qla2x00_pci_module_init(void)
2658 return pci_module_init(&qla2xxx_pci_driver
);
2662 qla2x00_pci_module_exit(void)
2664 pci_unregister_driver(&qla2xxx_pci_driver
);
2670 * qla2x00_module_init - Module initialization.
2673 qla2x00_module_init(void)
2677 /* Allocate cache for SRBs. */
2678 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2679 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2680 if (srb_cachep
== NULL
) {
2682 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2686 /* Derive version string. */
2687 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2688 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2689 strcat(qla2x00_version_str
, "-fw");
2692 strcat(qla2x00_version_str
, "-debug");
2694 qla2xxx_transport_template
=
2695 fc_attach_transport(&qla2xxx_transport_functions
);
2696 if (!qla2xxx_transport_template
)
2699 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2700 ret
= qla2x00_pci_module_init();
2702 kmem_cache_destroy(srb_cachep
);
2703 fc_release_transport(qla2xxx_transport_template
);
2709 * qla2x00_module_exit - Module cleanup.
2712 qla2x00_module_exit(void)
2714 qla2x00_pci_module_exit();
2715 qla2x00_release_firmware();
2716 kmem_cache_destroy(srb_cachep
);
2717 fc_release_transport(qla2xxx_transport_template
);
2720 module_init(qla2x00_module_init
);
2721 module_exit(qla2x00_module_exit
);
2723 MODULE_AUTHOR("QLogic Corporation");
2724 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2725 MODULE_LICENSE("GPL");
2726 MODULE_VERSION(QLA2XXX_VERSION
);