2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str
[40];
25 * SRB allocation cache
27 static kmem_cache_t
*srb_cachep
;
30 * Ioctl related information.
34 int ql2xlogintimeout
= 20;
35 module_param(ql2xlogintimeout
, int, S_IRUGO
|S_IRUSR
);
36 MODULE_PARM_DESC(ql2xlogintimeout
,
37 "Login timeout value in seconds.");
39 int qlport_down_retry
= 30;
40 module_param(qlport_down_retry
, int, S_IRUGO
|S_IRUSR
);
41 MODULE_PARM_DESC(qlport_down_retry
,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice
;
46 module_param(ql2xplogiabsentdevice
, int, S_IRUGO
|S_IWUSR
);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice
,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount
= 0;
53 module_param(ql2xloginretrycount
, int, S_IRUGO
|S_IRUSR
);
54 MODULE_PARM_DESC(ql2xloginretrycount
,
55 "Specify an alternate value for the NVRAM login retry count.");
57 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
59 module_param(ql2xfwloadflash
, int, S_IRUGO
|S_IRUSR
);
60 MODULE_PARM_DESC(ql2xfwloadflash
,
61 "Load ISP24xx firmware image from FLASH (onboard memory).");
64 static void qla2x00_free_device(scsi_qla_host_t
*);
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
);
69 module_param(ql2xfdmienable
, int, S_IRUGO
|S_IRUSR
);
70 MODULE_PARM_DESC(ql2xfdmienable
,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75 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 /* Close window on fcport/rport state-transitioning. */
370 if (!*(fc_port_t
**)rport
->dd_data
) {
371 cmd
->result
= DID_IMM_RETRY
<< 16;
372 goto qc_fail_command
;
375 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
376 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
377 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
378 cmd
->result
= DID_NO_CONNECT
<< 16;
379 goto qc_fail_command
;
384 spin_unlock_irq(ha
->host
->host_lock
);
386 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
388 goto qc_host_busy_lock
;
390 rval
= qla2x00_start_scsi(sp
);
391 if (rval
!= QLA_SUCCESS
)
392 goto qc_host_busy_free_sp
;
394 spin_lock_irq(ha
->host
->host_lock
);
398 qc_host_busy_free_sp
:
399 qla2x00_sp_free_dma(ha
, sp
);
400 mempool_free(sp
, ha
->srb_mempool
);
403 spin_lock_irq(ha
->host
->host_lock
);
406 return SCSI_MLQUEUE_HOST_BUSY
;
416 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
418 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
419 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
420 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
424 rval
= fc_remote_port_chkready(rport
);
427 goto qc24_fail_command
;
430 /* Close window on fcport/rport state-transitioning. */
431 if (!*(fc_port_t
**)rport
->dd_data
) {
432 cmd
->result
= DID_IMM_RETRY
<< 16;
433 goto qc24_fail_command
;
436 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
437 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
438 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
439 cmd
->result
= DID_NO_CONNECT
<< 16;
440 goto qc24_fail_command
;
445 spin_unlock_irq(ha
->host
->host_lock
);
447 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
449 goto qc24_host_busy_lock
;
451 rval
= qla24xx_start_scsi(sp
);
452 if (rval
!= QLA_SUCCESS
)
453 goto qc24_host_busy_free_sp
;
455 spin_lock_irq(ha
->host
->host_lock
);
459 qc24_host_busy_free_sp
:
460 qla2x00_sp_free_dma(ha
, sp
);
461 mempool_free(sp
, ha
->srb_mempool
);
464 spin_lock_irq(ha
->host
->host_lock
);
467 return SCSI_MLQUEUE_HOST_BUSY
;
477 * qla2x00_eh_wait_on_command
478 * Waits for the command to be returned by the Firmware for some
482 * ha = actual ha whose done queue will contain the command
483 * returned by firmware.
484 * cmd = Scsi Command to wait on.
485 * flag = Abort/Reset(Bus or Device Reset)
492 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
494 #define ABORT_POLLING_PERIOD 1000
495 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
496 unsigned long wait_iter
= ABORT_WAIT_ITER
;
497 int ret
= QLA_SUCCESS
;
499 while (CMD_SP(cmd
)) {
500 msleep(ABORT_POLLING_PERIOD
);
506 ret
= QLA_FUNCTION_FAILED
;
512 * qla2x00_wait_for_hba_online
513 * Wait till the HBA is online after going through
514 * <= MAX_RETRIES_OF_ISP_ABORT or
515 * finally HBA is disabled ie marked offline
518 * ha - pointer to host adapter structure
521 * Does context switching-Release SPIN_LOCK
522 * (if any) before calling this routine.
525 * Success (Adapter is online) : 0
526 * Failed (Adapter is offline/disabled) : 1
529 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
532 unsigned long wait_online
;
534 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
535 while (((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) ||
536 test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
) ||
537 test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
) ||
538 ha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
542 if (ha
->flags
.online
)
543 return_status
= QLA_SUCCESS
;
545 return_status
= QLA_FUNCTION_FAILED
;
547 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
549 return (return_status
);
553 * qla2x00_wait_for_loop_ready
554 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
555 * to be in LOOP_READY state.
557 * ha - pointer to host adapter structure
560 * Does context switching-Release SPIN_LOCK
561 * (if any) before calling this routine.
565 * Success (LOOP_READY) : 0
566 * Failed (LOOP_NOT_READY) : 1
569 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
571 int return_status
= QLA_SUCCESS
;
572 unsigned long loop_timeout
;
574 /* wait for 5 min at the max for loop to be ready */
575 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
577 while ((!atomic_read(&ha
->loop_down_timer
) &&
578 atomic_read(&ha
->loop_state
) == LOOP_DOWN
) ||
579 atomic_read(&ha
->loop_state
) != LOOP_READY
) {
581 if (time_after_eq(jiffies
, loop_timeout
)) {
582 return_status
= QLA_FUNCTION_FAILED
;
586 return (return_status
);
589 /**************************************************************************
593 * The abort function will abort the specified command.
596 * cmd = Linux SCSI command packet to be aborted.
599 * Either SUCCESS or FAILED.
602 **************************************************************************/
604 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
606 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
609 unsigned int id
, lun
;
610 unsigned long serial
;
618 id
= cmd
->device
->id
;
619 lun
= cmd
->device
->lun
;
620 serial
= cmd
->serial_number
;
622 /* Check active list for command command. */
623 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
624 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
625 sp
= ha
->outstanding_cmds
[i
];
633 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
634 "sp->state=%x\n", __func__
, ha
->host_no
, sp
, serial
,
636 DEBUG3(qla2x00_print_scsi_cmd(cmd
);)
638 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
639 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
640 DEBUG2(printk("%s(%ld): abort_command "
641 "mbx failed.\n", __func__
, ha
->host_no
));
643 DEBUG3(printk("%s(%ld): abort_command "
644 "mbx success.\n", __func__
, ha
->host_no
));
647 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
651 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
653 /* Wait for the command to be returned. */
654 if (ret
== SUCCESS
) {
655 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
656 qla_printk(KERN_ERR
, ha
,
657 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
658 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
662 qla_printk(KERN_INFO
, ha
,
663 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha
->host_no
,
664 id
, lun
, serial
, ret
);
669 /**************************************************************************
670 * qla2x00_eh_wait_for_pending_target_commands
673 * Waits for all the commands to come back from the specified target.
676 * ha - pointer to scsi_qla_host structure.
679 * Either SUCCESS or FAILED.
682 **************************************************************************/
684 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
689 struct scsi_cmnd
*cmd
;
695 * Waiting for all commands for the designated target in the active
698 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
699 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
700 sp
= ha
->outstanding_cmds
[cnt
];
703 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
704 if (cmd
->device
->id
== t
) {
705 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
711 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
718 /**************************************************************************
719 * qla2xxx_eh_device_reset
722 * The device reset function will reset the target and abort any
723 * executing commands.
725 * NOTE: The use of SP is undefined within this context. Do *NOT*
726 * attempt to use this value, even if you determine it is
730 * cmd = Linux SCSI command packet of the command that cause the
734 * SUCCESS/FAILURE (defined as macro in scsi.h).
736 **************************************************************************/
738 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
740 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
741 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
744 unsigned int id
, lun
;
745 unsigned long serial
;
749 id
= cmd
->device
->id
;
750 lun
= cmd
->device
->lun
;
751 serial
= cmd
->serial_number
;
753 sp
= (srb_t
*) CMD_SP(cmd
);
757 qla_printk(KERN_INFO
, ha
,
758 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
760 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
761 goto eh_dev_reset_done
;
763 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
764 if (qla2x00_device_reset(ha
, fcport
) == 0)
767 #if defined(LOGOUT_AFTER_DEVICE_RESET)
768 if (ret
== SUCCESS
) {
769 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
770 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
771 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
776 DEBUG2(printk(KERN_INFO
777 "%s failed: loop not ready\n",__func__
);)
781 DEBUG3(printk("%s(%ld): device reset failed\n",
782 __func__
, ha
->host_no
));
783 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
786 goto eh_dev_reset_done
;
789 /* Flush outstanding commands. */
790 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
793 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
794 __func__
, ha
->host_no
));
795 qla_printk(KERN_INFO
, ha
,
796 "%s: failed while waiting for commands\n", __func__
);
798 qla_printk(KERN_INFO
, ha
,
799 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
805 /**************************************************************************
806 * qla2x00_eh_wait_for_pending_commands
809 * Waits for all the commands to come back from the specified host.
812 * ha - pointer to scsi_qla_host structure.
819 **************************************************************************/
821 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
826 struct scsi_cmnd
*cmd
;
832 * Waiting for all commands for the designated target in the active
835 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
836 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
837 sp
= ha
->outstanding_cmds
[cnt
];
840 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
841 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
846 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
853 /**************************************************************************
854 * qla2xxx_eh_bus_reset
857 * The bus reset function will reset the bus and abort any executing
861 * cmd = Linux SCSI command packet of the command that cause the
865 * SUCCESS/FAILURE (defined as macro in scsi.h).
867 **************************************************************************/
869 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
871 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
872 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
875 unsigned int id
, lun
;
876 unsigned long serial
;
880 id
= cmd
->device
->id
;
881 lun
= cmd
->device
->lun
;
882 serial
= cmd
->serial_number
;
884 sp
= (srb_t
*) CMD_SP(cmd
);
888 qla_printk(KERN_INFO
, ha
,
889 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
891 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
892 DEBUG2(printk("%s failed:board disabled\n",__func__
));
893 goto eh_bus_reset_done
;
896 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
897 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
901 goto eh_bus_reset_done
;
903 /* Flush outstanding commands. */
904 if (!qla2x00_eh_wait_for_pending_commands(ha
))
908 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
909 (ret
== FAILED
) ? "failed" : "succeded");
914 /**************************************************************************
915 * qla2xxx_eh_host_reset
918 * The reset function will reset the Adapter.
921 * cmd = Linux SCSI command packet of the command that cause the
925 * Either SUCCESS or FAILED.
928 **************************************************************************/
930 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
932 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
933 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
936 unsigned int id
, lun
;
937 unsigned long serial
;
941 id
= cmd
->device
->id
;
942 lun
= cmd
->device
->lun
;
943 serial
= cmd
->serial_number
;
945 sp
= (srb_t
*) CMD_SP(cmd
);
949 qla_printk(KERN_INFO
, ha
,
950 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
952 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
953 goto eh_host_reset_lock
;
956 * Fixme-may be dpc thread is active and processing
957 * loop_resync,so wait a while for it to
958 * be completed and then issue big hammer.Otherwise
959 * it may cause I/O failure as big hammer marks the
960 * devices as lost kicking of the port_down_timer
961 * while dpc is stuck for the mailbox to complete.
963 qla2x00_wait_for_loop_ready(ha
);
964 set_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
965 if (qla2x00_abort_isp(ha
)) {
966 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
967 /* failed. schedule dpc to try */
968 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
970 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
971 goto eh_host_reset_lock
;
973 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
975 /* Waiting for our command in done_queue to be returned to OS.*/
976 if (qla2x00_eh_wait_for_pending_commands(ha
))
980 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
981 (ret
== FAILED
) ? "failed" : "succeded");
991 * ha = adapter block pointer.
997 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
999 int status
= QLA_SUCCESS
;
1000 struct fc_port
*fcport
;
1002 if (ha
->flags
.enable_lip_reset
) {
1003 status
= qla2x00_lip_reset(ha
);
1006 if (status
== QLA_SUCCESS
&& ha
->flags
.enable_target_reset
) {
1007 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1008 if (fcport
->port_type
!= FCT_TARGET
)
1011 status
= qla2x00_device_reset(ha
, fcport
);
1012 if (status
!= QLA_SUCCESS
)
1017 if (status
== QLA_SUCCESS
&&
1018 ((!ha
->flags
.enable_target_reset
&&
1019 !ha
->flags
.enable_lip_reset
) ||
1020 ha
->flags
.enable_lip_full_login
)) {
1022 status
= qla2x00_full_login_lip(ha
);
1025 /* Issue marker command only when we are going to start the I/O */
1026 ha
->marker_needed
= 1;
1030 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1035 DEBUG3(printk("%s(%ld): exiting normally.\n",
1044 * qla2x00_device_reset
1045 * Issue bus device reset message to the target.
1048 * ha = adapter block pointer.
1050 * TARGET_QUEUE_LOCK must be released.
1051 * ADAPTER_STATE_LOCK must be released.
1057 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1059 /* Abort Target command will clear Reservation */
1060 return ha
->isp_ops
.abort_target(reset_fcport
);
1064 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1066 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1068 if (!rport
|| fc_remote_port_chkready(rport
))
1071 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1077 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1079 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1080 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1082 if (sdev
->tagged_supported
)
1083 scsi_activate_tcq(sdev
, 32);
1085 scsi_deactivate_tcq(sdev
, 32);
1087 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1093 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1095 sdev
->hostdata
= NULL
;
1099 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1101 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1102 return sdev
->queue_depth
;
1106 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1108 if (sdev
->tagged_supported
) {
1109 scsi_set_tag_type(sdev
, tag_type
);
1111 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1113 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1121 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1124 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1125 * supported addressing method.
1128 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1130 /* Assume a 32bit DMA mask. */
1131 ha
->flags
.enable_64bit_addressing
= 0;
1133 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1134 /* Any upper-dword bits set? */
1135 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1136 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1137 /* Ok, a 64bit DMA mask is applicable. */
1138 ha
->flags
.enable_64bit_addressing
= 1;
1139 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1140 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1145 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1146 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1150 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1152 ha
->device_type
= DT_EXTENDED_IDS
;
1153 switch (ha
->pdev
->device
) {
1154 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1155 ha
->device_type
|= DT_ISP2100
;
1156 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1158 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1159 ha
->device_type
|= DT_ISP2200
;
1160 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1162 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1163 ha
->device_type
|= DT_ISP2300
;
1164 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1166 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1167 ha
->device_type
|= DT_ISP2312
;
1168 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1170 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1171 ha
->device_type
|= DT_ISP2322
;
1172 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1173 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1174 ha
->pdev
->subsystem_device
== 0x0170)
1175 ha
->device_type
|= DT_OEM_001
;
1177 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1178 ha
->device_type
|= DT_ISP6312
;
1180 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1181 ha
->device_type
|= DT_ISP6322
;
1183 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1184 ha
->device_type
|= DT_ISP2422
;
1185 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1187 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1188 ha
->device_type
|= DT_ISP2432
;
1189 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1191 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1192 ha
->device_type
|= DT_ISP5422
;
1194 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1195 ha
->device_type
|= DT_ISP5432
;
1201 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1203 unsigned long pio
, pio_len
, pio_flags
;
1204 unsigned long mmio
, mmio_len
, mmio_flags
;
1206 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1207 pio
= pci_resource_start(ha
->pdev
, 0);
1208 pio_len
= pci_resource_len(ha
->pdev
, 0);
1209 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1210 if (pio_flags
& IORESOURCE_IO
) {
1211 if (pio_len
< MIN_IOBASE_LEN
) {
1212 qla_printk(KERN_WARNING
, ha
,
1213 "Invalid PCI I/O region size (%s)...\n",
1214 pci_name(ha
->pdev
));
1218 qla_printk(KERN_WARNING
, ha
,
1219 "region #0 not a PIO resource (%s)...\n",
1220 pci_name(ha
->pdev
));
1224 /* Use MMIO operations for all accesses. */
1225 mmio
= pci_resource_start(ha
->pdev
, 1);
1226 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1227 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1229 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1230 qla_printk(KERN_ERR
, ha
,
1231 "region #0 not an MMIO resource (%s), aborting\n",
1232 pci_name(ha
->pdev
));
1233 goto iospace_error_exit
;
1235 if (mmio_len
< MIN_IOBASE_LEN
) {
1236 qla_printk(KERN_ERR
, ha
,
1237 "Invalid PCI mem region size (%s), aborting\n",
1238 pci_name(ha
->pdev
));
1239 goto iospace_error_exit
;
1242 if (pci_request_regions(ha
->pdev
, ha
->brd_info
->drv_name
)) {
1243 qla_printk(KERN_WARNING
, ha
,
1244 "Failed to reserve PIO/MMIO regions (%s)\n",
1245 pci_name(ha
->pdev
));
1247 goto iospace_error_exit
;
1250 ha
->pio_address
= pio
;
1251 ha
->pio_length
= pio_len
;
1252 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1254 qla_printk(KERN_ERR
, ha
,
1255 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1257 goto iospace_error_exit
;
1267 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1269 unsigned long flags
= 0;
1270 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1272 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1273 ha
->interrupts_on
= 1;
1274 /* enable risc and host interrupts */
1275 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1276 RD_REG_WORD(®
->ictrl
);
1277 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1282 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1284 unsigned long flags
= 0;
1285 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1287 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1288 ha
->interrupts_on
= 0;
1289 /* disable risc and host interrupts */
1290 WRT_REG_WORD(®
->ictrl
, 0);
1291 RD_REG_WORD(®
->ictrl
);
1292 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1296 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1298 unsigned long flags
= 0;
1299 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1301 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1302 ha
->interrupts_on
= 1;
1303 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1304 RD_REG_DWORD(®
->ictrl
);
1305 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1309 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1311 unsigned long flags
= 0;
1312 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1314 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1315 ha
->interrupts_on
= 0;
1316 WRT_REG_DWORD(®
->ictrl
, 0);
1317 RD_REG_DWORD(®
->ictrl
);
1318 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1322 * PCI driver interface
1324 int qla2x00_probe_one(struct pci_dev
*pdev
, struct qla_board_info
*brd_info
)
1327 device_reg_t __iomem
*reg
;
1328 struct Scsi_Host
*host
;
1329 scsi_qla_host_t
*ha
;
1330 unsigned long flags
= 0;
1331 unsigned long wait_switch
= 0;
1335 struct scsi_host_template
*sht
;
1337 if (pci_enable_device(pdev
))
1340 sht
= &qla2x00_driver_template
;
1341 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1342 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
)
1343 sht
= &qla24xx_driver_template
;
1344 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1347 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1348 goto probe_disable_device
;
1351 /* Clear our data area */
1352 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1353 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1357 ha
->host_no
= host
->host_no
;
1358 ha
->brd_info
= brd_info
;
1359 sprintf(ha
->host_str
, "%s_%ld", ha
->brd_info
->drv_name
, ha
->host_no
);
1361 /* Set ISP-type information. */
1362 qla2x00_set_isp_flags(ha
);
1364 /* Configure PCI I/O space */
1365 ret
= qla2x00_iospace_config(ha
);
1369 qla_printk(KERN_INFO
, ha
,
1370 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1373 spin_lock_init(&ha
->hardware_lock
);
1375 ha
->prev_topology
= 0;
1376 ha
->ports
= MAX_BUSES
;
1377 ha
->init_cb_size
= sizeof(init_cb_t
);
1378 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
;
1379 ha
->link_data_rate
= LDR_UNKNOWN
;
1380 ha
->optrom_size
= OPTROM_SIZE_2300
;
1382 /* Assign ISP specific operations. */
1383 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1384 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1385 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1386 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1387 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1388 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1389 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1390 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1391 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1392 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1393 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1394 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1395 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1396 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1397 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1398 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1399 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1400 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1401 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1402 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1403 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1404 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1405 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1406 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1407 ha
->isp_ops
.ascii_fw_dump
= qla2100_ascii_fw_dump
;
1408 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1409 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1410 if (IS_QLA2100(ha
)) {
1411 host
->max_id
= MAX_TARGETS_2100
;
1412 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1413 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1414 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1415 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1416 host
->sg_tablesize
= 32;
1417 ha
->gid_list_info_size
= 4;
1418 } else if (IS_QLA2200(ha
)) {
1419 host
->max_id
= MAX_TARGETS_2200
;
1420 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1421 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1422 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1423 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1424 ha
->gid_list_info_size
= 4;
1425 } else if (IS_QLA23XX(ha
)) {
1426 host
->max_id
= MAX_TARGETS_2200
;
1427 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1428 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1429 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1430 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1431 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1432 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1433 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1434 ha
->isp_ops
.ascii_fw_dump
= qla2300_ascii_fw_dump
;
1435 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1436 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1437 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1438 ha
->gid_list_info_size
= 6;
1439 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1440 ha
->optrom_size
= OPTROM_SIZE_2322
;
1441 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1442 host
->max_id
= MAX_TARGETS_2200
;
1443 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1444 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1445 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1446 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1447 ha
->init_cb_size
= sizeof(struct init_cb_24xx
);
1448 ha
->mgmt_svr_loop_id
= 10;
1449 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1450 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1451 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1452 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1453 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1454 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1455 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1456 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1457 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
1458 if (ql2xfwloadflash
)
1459 ha
->isp_ops
.load_risc
= qla24xx_load_risc_flash
;
1461 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1462 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1463 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1464 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1465 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1466 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1467 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1468 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1469 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1470 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1471 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1472 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1473 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1474 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1475 ha
->isp_ops
.ascii_fw_dump
= qla24xx_ascii_fw_dump
;
1476 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1477 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1478 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1479 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1480 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1481 ha
->gid_list_info_size
= 8;
1482 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1484 host
->can_queue
= ha
->request_q_length
+ 128;
1486 /* load the F/W, read paramaters, and init the H/W */
1487 ha
->instance
= num_hosts
;
1489 init_MUTEX(&ha
->mbx_cmd_sem
);
1490 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1492 INIT_LIST_HEAD(&ha
->list
);
1493 INIT_LIST_HEAD(&ha
->fcports
);
1494 INIT_LIST_HEAD(&ha
->rscn_fcports
);
1497 * These locks are used to prevent more than one CPU
1498 * from modifying the queue at the same time. The
1499 * higher level "host_lock" will reduce most
1500 * contention for these locks.
1502 spin_lock_init(&ha
->mbx_reg_lock
);
1504 qla2x00_config_dma_addressing(ha
);
1505 if (qla2x00_mem_alloc(ha
)) {
1506 qla_printk(KERN_WARNING
, ha
,
1507 "[ERROR] Failed to allocate memory for adapter\n");
1513 if (qla2x00_initialize_adapter(ha
) &&
1514 !(ha
->device_flags
& DFLG_NO_CABLE
)) {
1516 qla_printk(KERN_WARNING
, ha
,
1517 "Failed to initialize adapter\n");
1519 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1520 "Adapter flags %x.\n",
1521 ha
->host_no
, ha
->device_flags
));
1528 * Startup the kernel thread for this host adapter
1530 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1531 "%s_dpc", ha
->host_str
);
1532 if (IS_ERR(ha
->dpc_thread
)) {
1533 qla_printk(KERN_WARNING
, ha
,
1534 "Unable to start DPC thread!\n");
1535 ret
= PTR_ERR(ha
->dpc_thread
);
1539 host
->this_id
= 255;
1540 host
->cmd_per_lun
= 3;
1541 host
->unique_id
= ha
->instance
;
1542 host
->max_cmd_len
= MAX_CMDSZ
;
1543 host
->max_channel
= ha
->ports
- 1;
1544 host
->max_lun
= MAX_LUNS
;
1545 host
->transportt
= qla2xxx_transport_template
;
1547 ret
= request_irq(pdev
->irq
, ha
->isp_ops
.intr_handler
,
1548 SA_INTERRUPT
|SA_SHIRQ
, ha
->brd_info
->drv_name
, ha
);
1550 qla_printk(KERN_WARNING
, ha
,
1551 "Failed to reserve interrupt %d already in use.\n",
1555 host
->irq
= pdev
->irq
;
1557 /* Initialized the timer */
1558 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1560 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1563 ha
->isp_ops
.disable_intrs(ha
);
1565 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1567 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1568 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1569 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1571 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1572 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1573 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1575 /* Enable proper parity */
1576 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1579 WRT_REG_WORD(®
->isp
.hccr
,
1580 (HCCR_ENABLE_PARITY
+ 0x1));
1582 /* SRAM, Instruction RAM and GP RAM parity */
1583 WRT_REG_WORD(®
->isp
.hccr
,
1584 (HCCR_ENABLE_PARITY
+ 0x7));
1587 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1589 ha
->isp_ops
.enable_intrs(ha
);
1593 * Wait around max loop_reset_delay secs for the devices to come
1594 * on-line. We don't want Linux scanning before we are ready.
1597 for (wait_switch
= jiffies
+ (ha
->loop_reset_delay
* HZ
);
1598 time_before(jiffies
,wait_switch
) &&
1599 !(ha
->device_flags
& (DFLG_NO_CABLE
| DFLG_FABRIC_DEVICES
))
1600 && (ha
->device_flags
& SWITCH_FOUND
) ;) {
1602 qla2x00_check_fabric_devices(ha
);
1607 pci_set_drvdata(pdev
, ha
);
1608 ha
->flags
.init_done
= 1;
1611 ret
= scsi_add_host(host
, &pdev
->dev
);
1615 qla2x00_alloc_sysfs_attr(ha
);
1617 qla2x00_init_host_attr(ha
);
1619 qla_printk(KERN_INFO
, ha
, "\n"
1620 " QLogic Fibre Channel HBA Driver: %s\n"
1622 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1623 qla2x00_version_str
, ha
->model_number
,
1624 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1625 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1626 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1627 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1629 /* Go with fc_rport registration. */
1630 list_for_each_entry(fcport
, &ha
->fcports
, list
)
1631 qla2x00_reg_remote_port(ha
, fcport
);
1636 qla2x00_free_device(ha
);
1638 scsi_host_put(host
);
1640 probe_disable_device
:
1641 pci_disable_device(pdev
);
1646 EXPORT_SYMBOL_GPL(qla2x00_probe_one
);
1648 void qla2x00_remove_one(struct pci_dev
*pdev
)
1650 scsi_qla_host_t
*ha
;
1652 ha
= pci_get_drvdata(pdev
);
1654 qla2x00_free_sysfs_attr(ha
);
1656 fc_remove_host(ha
->host
);
1658 scsi_remove_host(ha
->host
);
1660 qla2x00_free_device(ha
);
1662 scsi_host_put(ha
->host
);
1664 pci_set_drvdata(pdev
, NULL
);
1666 EXPORT_SYMBOL_GPL(qla2x00_remove_one
);
1669 qla2x00_free_device(scsi_qla_host_t
*ha
)
1671 /* Abort any outstanding IO descriptors. */
1672 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
))
1673 qla2x00_cancel_io_descriptors(ha
);
1676 if (ha
->timer_active
)
1677 qla2x00_stop_timer(ha
);
1679 /* Kill the kernel thread for this host */
1680 if (ha
->dpc_thread
) {
1681 struct task_struct
*t
= ha
->dpc_thread
;
1684 * qla2xxx_wake_dpc checks for ->dpc_thread
1685 * so we need to zero it out.
1687 ha
->dpc_thread
= NULL
;
1691 /* Stop currently executing firmware. */
1692 qla2x00_stop_firmware(ha
);
1694 /* turn-off interrupts on the card */
1695 if (ha
->interrupts_on
)
1696 ha
->isp_ops
.disable_intrs(ha
);
1698 qla2x00_mem_free(ha
);
1700 ha
->flags
.online
= 0;
1702 /* Detach interrupts */
1704 free_irq(ha
->host
->irq
, ha
);
1706 /* release io space registers */
1708 iounmap(ha
->iobase
);
1709 pci_release_regions(ha
->pdev
);
1711 pci_disable_device(ha
->pdev
);
1715 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1718 unsigned long flags
;
1719 struct fc_rport
*rport
;
1724 rport
= fcport
->rport
;
1726 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1727 fcport
->drport
= rport
;
1728 fcport
->rport
= NULL
;
1729 *(fc_port_t
**)rport
->dd_data
= NULL
;
1730 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1731 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1733 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1734 fcport
->rport
= NULL
;
1735 *(fc_port_t
**)rport
->dd_data
= NULL
;
1736 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1737 fc_remote_port_delete(rport
);
1742 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1744 * Input: ha = adapter block pointer. fcport = port structure pointer.
1750 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1751 int do_login
, int defer
)
1753 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1754 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1757 * We may need to retry the login, so don't change the state of the
1758 * port but do the retries.
1760 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1761 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1766 if (fcport
->login_retry
== 0) {
1767 fcport
->login_retry
= ha
->login_retry_count
;
1768 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1770 DEBUG(printk("scsi(%ld): Port login retry: "
1771 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1772 "id = 0x%04x retry cnt=%d\n",
1774 fcport
->port_name
[0],
1775 fcport
->port_name
[1],
1776 fcport
->port_name
[2],
1777 fcport
->port_name
[3],
1778 fcport
->port_name
[4],
1779 fcport
->port_name
[5],
1780 fcport
->port_name
[6],
1781 fcport
->port_name
[7],
1783 fcport
->login_retry
));
1788 * qla2x00_mark_all_devices_lost
1789 * Updates fcport state when device goes offline.
1792 * ha = adapter block pointer.
1793 * fcport = port structure pointer.
1801 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1805 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1806 if (fcport
->port_type
!= FCT_TARGET
)
1810 * No point in marking the device as lost, if the device is
1813 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1815 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1816 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1817 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1821 qla2xxx_wake_dpc(ha
);
1826 * Allocates adapter memory.
1833 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1841 * This will loop only once if everything goes well, else some
1842 * number of retries will be performed to get around a kernel
1843 * bug where available mem is not allocated until after a
1844 * little delay and a retry.
1846 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1847 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1848 &ha
->request_dma
, GFP_KERNEL
);
1849 if (ha
->request_ring
== NULL
) {
1850 qla_printk(KERN_WARNING
, ha
,
1851 "Memory Allocation failed - request_ring\n");
1853 qla2x00_mem_free(ha
);
1859 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1860 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1861 &ha
->response_dma
, GFP_KERNEL
);
1862 if (ha
->response_ring
== NULL
) {
1863 qla_printk(KERN_WARNING
, ha
,
1864 "Memory Allocation failed - response_ring\n");
1866 qla2x00_mem_free(ha
);
1872 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1873 &ha
->gid_list_dma
, GFP_KERNEL
);
1874 if (ha
->gid_list
== NULL
) {
1875 qla_printk(KERN_WARNING
, ha
,
1876 "Memory Allocation failed - gid_list\n");
1878 qla2x00_mem_free(ha
);
1884 ha
->rlc_rsp
= dma_alloc_coherent(&ha
->pdev
->dev
,
1885 sizeof(rpt_lun_cmd_rsp_t
), &ha
->rlc_rsp_dma
, GFP_KERNEL
);
1886 if (ha
->rlc_rsp
== NULL
) {
1887 qla_printk(KERN_WARNING
, ha
,
1888 "Memory Allocation failed - rlc");
1890 qla2x00_mem_free(ha
);
1896 snprintf(name
, sizeof(name
), "qla2xxx_%ld", ha
->host_no
);
1897 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1898 DMA_POOL_SIZE
, 8, 0);
1899 if (ha
->s_dma_pool
== NULL
) {
1900 qla_printk(KERN_WARNING
, ha
,
1901 "Memory Allocation failed - s_dma_pool\n");
1903 qla2x00_mem_free(ha
);
1909 /* get consistent memory allocated for init control block */
1910 ha
->init_cb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1912 if (ha
->init_cb
== NULL
) {
1913 qla_printk(KERN_WARNING
, ha
,
1914 "Memory Allocation failed - init_cb\n");
1916 qla2x00_mem_free(ha
);
1921 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1923 /* Get consistent memory allocated for Get Port Database cmd */
1924 ha
->iodesc_pd
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1925 &ha
->iodesc_pd_dma
);
1926 if (ha
->iodesc_pd
== NULL
) {
1928 qla_printk(KERN_WARNING
, ha
,
1929 "Memory Allocation failed - iodesc_pd\n");
1931 qla2x00_mem_free(ha
);
1936 memset(ha
->iodesc_pd
, 0, PORT_DATABASE_SIZE
);
1938 /* Allocate ioctl related memory. */
1939 if (qla2x00_alloc_ioctl_mem(ha
)) {
1940 qla_printk(KERN_WARNING
, ha
,
1941 "Memory Allocation failed - ioctl_mem\n");
1943 qla2x00_mem_free(ha
);
1949 if (qla2x00_allocate_sp_pool(ha
)) {
1950 qla_printk(KERN_WARNING
, ha
,
1951 "Memory Allocation failed - "
1952 "qla2x00_allocate_sp_pool()\n");
1954 qla2x00_mem_free(ha
);
1960 /* Allocate memory for SNS commands */
1961 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1962 /* Get consistent memory allocated for SNS commands */
1963 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1964 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1966 if (ha
->sns_cmd
== NULL
) {
1968 qla_printk(KERN_WARNING
, ha
,
1969 "Memory Allocation failed - sns_cmd\n");
1971 qla2x00_mem_free(ha
);
1976 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1978 /* Get consistent memory allocated for MS IOCB */
1979 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1981 if (ha
->ms_iocb
== NULL
) {
1983 qla_printk(KERN_WARNING
, ha
,
1984 "Memory Allocation failed - ms_iocb\n");
1986 qla2x00_mem_free(ha
);
1991 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
1994 * Get consistent memory allocated for CT SNS
1997 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
1998 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
2000 if (ha
->ct_sns
== NULL
) {
2002 qla_printk(KERN_WARNING
, ha
,
2003 "Memory Allocation failed - ct_sns\n");
2005 qla2x00_mem_free(ha
);
2010 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
2013 /* Done all allocations without any error. */
2016 } while (retry
-- && status
!= 0);
2020 "%s(): **** FAILED ****\n", __func__
);
2028 * Frees all adapter allocated memory.
2031 * ha = adapter block pointer.
2034 qla2x00_mem_free(scsi_qla_host_t
*ha
)
2036 struct list_head
*fcpl
, *fcptemp
;
2041 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2045 /* free ioctl memory */
2046 qla2x00_free_ioctl_mem(ha
);
2049 qla2x00_free_sp_pool(ha
);
2052 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2053 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2056 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2057 ha
->ct_sns
, ha
->ct_sns_dma
);
2060 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2063 dma_pool_free(ha
->s_dma_pool
, ha
->iodesc_pd
, ha
->iodesc_pd_dma
);
2066 dma_pool_free(ha
->s_dma_pool
, ha
->init_cb
, ha
->init_cb_dma
);
2069 dma_pool_destroy(ha
->s_dma_pool
);
2072 dma_free_coherent(&ha
->pdev
->dev
,
2073 sizeof(rpt_lun_cmd_rsp_t
), ha
->rlc_rsp
,
2077 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2080 if (ha
->response_ring
)
2081 dma_free_coherent(&ha
->pdev
->dev
,
2082 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2083 ha
->response_ring
, ha
->response_dma
);
2085 if (ha
->request_ring
)
2086 dma_free_coherent(&ha
->pdev
->dev
,
2087 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2088 ha
->request_ring
, ha
->request_dma
);
2091 ha
->sns_cmd_dma
= 0;
2095 ha
->ms_iocb_dma
= 0;
2096 ha
->iodesc_pd
= NULL
;
2097 ha
->iodesc_pd_dma
= 0;
2099 ha
->init_cb_dma
= 0;
2101 ha
->s_dma_pool
= NULL
;
2104 ha
->rlc_rsp_dma
= 0;
2105 ha
->gid_list
= NULL
;
2106 ha
->gid_list_dma
= 0;
2108 ha
->response_ring
= NULL
;
2109 ha
->response_dma
= 0;
2110 ha
->request_ring
= NULL
;
2111 ha
->request_dma
= 0;
2113 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2114 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2117 list_del_init(&fcport
->list
);
2120 INIT_LIST_HEAD(&ha
->fcports
);
2123 free_pages((unsigned long)ha
->fw_dump
, ha
->fw_dump_order
);
2125 vfree(ha
->fw_dump24
);
2127 vfree(ha
->fw_dump_buffer
);
2130 ha
->fw_dump24
= NULL
;
2132 ha
->fw_dump_reading
= 0;
2133 ha
->fw_dump_buffer
= NULL
;
2135 vfree(ha
->optrom_buffer
);
2139 * qla2x00_allocate_sp_pool
2140 * This routine is called during initialization to allocate
2141 * memory for local srb_t.
2144 * ha = adapter block pointer.
2149 * Note: Sets the ref_count for non Null sp to one.
2152 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2157 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2158 if (ha
->srb_mempool
== NULL
) {
2159 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2160 rval
= QLA_FUNCTION_FAILED
;
2166 * This routine frees all adapter allocated memory.
2170 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2172 if (ha
->srb_mempool
) {
2173 mempool_destroy(ha
->srb_mempool
);
2174 ha
->srb_mempool
= NULL
;
2178 /**************************************************************************
2180 * This kernel thread is a task that is schedule by the interrupt handler
2181 * to perform the background processing for interrupts.
2184 * This task always run in the context of a kernel thread. It
2185 * is kick-off by the driver's detect code and starts up
2186 * up one per adapter. It immediately goes to sleep and waits for
2187 * some fibre event. When either the interrupt handler or
2188 * the timer routine detects a event it will one of the task
2189 * bits then wake us up.
2190 **************************************************************************/
2192 qla2x00_do_dpc(void *data
)
2194 scsi_qla_host_t
*ha
;
2197 uint16_t next_loopid
;
2199 ha
= (scsi_qla_host_t
*)data
;
2201 set_user_nice(current
, -20);
2203 while (!kthread_should_stop()) {
2204 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2206 set_current_state(TASK_INTERRUPTIBLE
);
2208 __set_current_state(TASK_RUNNING
);
2210 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2212 /* Initialization not yet finished. Don't do anything yet. */
2213 if (!ha
->flags
.init_done
)
2216 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2220 if (ha
->flags
.mbox_busy
) {
2225 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2227 DEBUG(printk("scsi(%ld): dpc: sched "
2228 "qla2x00_abort_isp ha = %p\n",
2230 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2233 if (qla2x00_abort_isp(ha
)) {
2234 /* failed. retry later */
2235 set_bit(ISP_ABORT_NEEDED
,
2238 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2240 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2244 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2245 qla2x00_update_fcports(ha
);
2247 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2248 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2250 qla2x00_loop_reset(ha
);
2253 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2254 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2256 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2259 qla2x00_rst_aen(ha
);
2260 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2263 /* Retry each device up to login retry count */
2264 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2265 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2266 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2268 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2272 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2273 if (fcport
->port_type
!= FCT_TARGET
)
2277 * If the port is not ONLINE then try to login
2278 * to it if we haven't run out of retries.
2280 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2281 fcport
->login_retry
) {
2283 fcport
->login_retry
--;
2284 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2287 ha
->isp_ops
.fabric_logout(
2288 ha
, fcport
->loop_id
,
2289 fcport
->d_id
.b
.domain
,
2290 fcport
->d_id
.b
.area
,
2291 fcport
->d_id
.b
.al_pa
);
2292 status
= qla2x00_fabric_login(
2293 ha
, fcport
, &next_loopid
);
2296 qla2x00_local_device_login(
2299 if (status
== QLA_SUCCESS
) {
2300 fcport
->old_loop_id
= fcport
->loop_id
;
2302 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2303 ha
->host_no
, fcport
->loop_id
));
2305 qla2x00_update_fcport(ha
,
2307 } else if (status
== 1) {
2308 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2309 /* retry the login again */
2310 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2312 fcport
->login_retry
, fcport
->loop_id
));
2314 fcport
->login_retry
= 0;
2317 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2320 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2324 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2325 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2327 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2328 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2331 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2333 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2337 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2339 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2342 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2345 qla2x00_loop_resync(ha
);
2347 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2350 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2354 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2356 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2359 qla2x00_rescan_fcports(ha
);
2361 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2366 if (!ha
->interrupts_on
)
2367 ha
->isp_ops
.enable_intrs(ha
);
2369 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2370 ha
->isp_ops
.beacon_blink(ha
);
2373 } /* End of while(1) */
2375 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2378 * Make sure that nobody tries to wake us up again.
2386 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2389 wake_up_process(ha
->dpc_thread
);
2394 * Processes asynchronous reset.
2397 * ha = adapter block pointer.
2400 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2402 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2403 !atomic_read(&ha
->loop_down_timer
) &&
2404 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2406 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2409 * Issue marker command only when we are going to start
2412 ha
->marker_needed
= 1;
2413 } while (!atomic_read(&ha
->loop_down_timer
) &&
2414 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2419 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2421 struct scsi_cmnd
*cmd
= sp
->cmd
;
2423 if (sp
->flags
& SRB_DMA_VALID
) {
2425 dma_unmap_sg(&ha
->pdev
->dev
, cmd
->request_buffer
,
2426 cmd
->use_sg
, cmd
->sc_data_direction
);
2427 } else if (cmd
->request_bufflen
) {
2428 dma_unmap_single(&ha
->pdev
->dev
, sp
->dma_handle
,
2429 cmd
->request_bufflen
, cmd
->sc_data_direction
);
2431 sp
->flags
&= ~SRB_DMA_VALID
;
2437 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2439 struct scsi_cmnd
*cmd
= sp
->cmd
;
2441 qla2x00_sp_free_dma(ha
, sp
);
2443 mempool_free(sp
, ha
->srb_mempool
);
2445 cmd
->scsi_done(cmd
);
2448 /**************************************************************************
2454 * Context: Interrupt
2455 ***************************************************************************/
2457 qla2x00_timer(scsi_qla_host_t
*ha
)
2459 unsigned long cpu_flags
= 0;
2467 * Ports - Port down timer.
2469 * Whenever, a port is in the LOST state we start decrementing its port
2470 * down timer every second until it reaches zero. Once it reaches zero
2471 * the port it marked DEAD.
2474 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2475 if (fcport
->port_type
!= FCT_TARGET
)
2478 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2480 if (atomic_read(&fcport
->port_down_timer
) == 0)
2483 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2484 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2486 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2489 t
, atomic_read(&fcport
->port_down_timer
)));
2492 } /* End of for fcport */
2495 /* Loop down handler. */
2496 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2497 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2499 if (atomic_read(&ha
->loop_down_timer
) ==
2500 ha
->loop_down_abort_time
) {
2502 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2503 "queues before time expire\n",
2506 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2507 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2509 /* Schedule an ISP abort to return any tape commands. */
2510 spin_lock_irqsave(&ha
->hardware_lock
, cpu_flags
);
2511 for (index
= 1; index
< MAX_OUTSTANDING_COMMANDS
;
2515 sp
= ha
->outstanding_cmds
[index
];
2519 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2522 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2525 spin_unlock_irqrestore(&ha
->hardware_lock
, cpu_flags
);
2527 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2531 /* if the loop has been down for 4 minutes, reinit adapter */
2532 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2533 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2534 "restarting queues.\n",
2537 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2540 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2541 DEBUG(printk("scsi(%ld): Loop down - "
2544 qla_printk(KERN_WARNING
, ha
,
2545 "Loop down - aborting ISP.\n");
2547 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2550 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2552 atomic_read(&ha
->loop_down_timer
)));
2555 /* Check if beacon LED needs to be blinked */
2556 if (ha
->beacon_blink_led
== 1) {
2557 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2561 /* Schedule the DPC routine if needed */
2562 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2563 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2564 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2565 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2567 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2568 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2569 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2570 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2571 qla2xxx_wake_dpc(ha
);
2573 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2576 /* XXX(hch): crude hack to emulate a down_timeout() */
2578 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2580 const unsigned int step
= 100; /* msecs */
2581 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2584 if (!down_trylock(sema
))
2586 if (msleep_interruptible(step
))
2588 } while (--iterations
>= 0);
2593 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2595 #define qla2x00_release_firmware() do { } while (0)
2596 #define qla2x00_pci_module_init() (0)
2597 #define qla2x00_pci_module_exit() do { } while (0)
2599 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
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 static DECLARE_MUTEX(qla_fw_lock
);
2612 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2613 { .name
= "ql2100_fw.bin", .segs
= { 0x1000, 0 }, },
2614 { .name
= "ql2200_fw.bin", .segs
= { 0x1000, 0 }, },
2615 { .name
= "ql2300_fw.bin", .segs
= { 0x800, 0 }, },
2616 { .name
= "ql2322_fw.bin", .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2617 { .name
= "ql2400_fw.bin", },
2621 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2623 struct fw_blob
*blob
;
2626 if (IS_QLA2100(ha
)) {
2627 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2628 } else if (IS_QLA2200(ha
)) {
2629 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2630 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2631 blob
= &qla_fw_blobs
[FW_ISP2300
];
2632 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2633 blob
= &qla_fw_blobs
[FW_ISP2322
];
2634 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2635 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2642 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2643 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2644 "(%s).\n", ha
->host_no
, blob
->name
));
2656 qla2x00_release_firmware(void)
2661 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2662 if (qla_fw_blobs
[idx
].fw
)
2663 release_firmware(qla_fw_blobs
[idx
].fw
);
2667 static struct qla_board_info qla_board_tbl
= {
2668 .drv_name
= "qla2xxx",
2671 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2672 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
,
2673 PCI_ANY_ID
, PCI_ANY_ID
, },
2674 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
,
2675 PCI_ANY_ID
, PCI_ANY_ID
, },
2676 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
,
2677 PCI_ANY_ID
, PCI_ANY_ID
, },
2678 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
,
2679 PCI_ANY_ID
, PCI_ANY_ID
, },
2680 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
,
2681 PCI_ANY_ID
, PCI_ANY_ID
, },
2682 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
,
2683 PCI_ANY_ID
, PCI_ANY_ID
, },
2684 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
,
2685 PCI_ANY_ID
, PCI_ANY_ID
, },
2686 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
,
2687 PCI_ANY_ID
, PCI_ANY_ID
, },
2688 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
,
2689 PCI_ANY_ID
, PCI_ANY_ID
, },
2690 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
,
2691 PCI_ANY_ID
, PCI_ANY_ID
, },
2692 { PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
,
2693 PCI_ANY_ID
, PCI_ANY_ID
, },
2696 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2698 static int __devinit
2699 qla2xxx_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
2701 return qla2x00_probe_one(pdev
, &qla_board_tbl
);
2704 static void __devexit
2705 qla2xxx_remove_one(struct pci_dev
*pdev
)
2707 qla2x00_remove_one(pdev
);
2710 static struct pci_driver qla2xxx_pci_driver
= {
2713 .owner
= THIS_MODULE
,
2715 .id_table
= qla2xxx_pci_tbl
,
2716 .probe
= qla2xxx_probe_one
,
2717 .remove
= __devexit_p(qla2xxx_remove_one
),
2721 qla2x00_pci_module_init(void)
2723 return pci_module_init(&qla2xxx_pci_driver
);
2727 qla2x00_pci_module_exit(void)
2729 pci_unregister_driver(&qla2xxx_pci_driver
);
2735 * qla2x00_module_init - Module initialization.
2738 qla2x00_module_init(void)
2742 /* Allocate cache for SRBs. */
2743 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2744 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2745 if (srb_cachep
== NULL
) {
2747 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2751 /* Derive version string. */
2752 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2753 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2754 strcat(qla2x00_version_str
, "-fw");
2757 strcat(qla2x00_version_str
, "-debug");
2759 qla2xxx_transport_template
=
2760 fc_attach_transport(&qla2xxx_transport_functions
);
2761 if (!qla2xxx_transport_template
)
2764 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2765 ret
= qla2x00_pci_module_init();
2767 kmem_cache_destroy(srb_cachep
);
2768 fc_release_transport(qla2xxx_transport_template
);
2774 * qla2x00_module_exit - Module cleanup.
2777 qla2x00_module_exit(void)
2779 qla2x00_pci_module_exit();
2780 qla2x00_release_firmware();
2781 kmem_cache_destroy(srb_cachep
);
2782 fc_release_transport(qla2xxx_transport_template
);
2785 module_init(qla2x00_module_init
);
2786 module_exit(qla2x00_module_exit
);
2788 MODULE_AUTHOR("QLogic Corporation");
2789 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2790 MODULE_LICENSE("GPL");
2791 MODULE_VERSION(QLA2XXX_VERSION
);