2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str
[40];
25 * SRB allocation cache
27 static struct kmem_cache
*srb_cachep
;
30 * Ioctl related information.
33 int ql2xlogintimeout
= 20;
34 module_param(ql2xlogintimeout
, int, S_IRUGO
|S_IRUSR
);
35 MODULE_PARM_DESC(ql2xlogintimeout
,
36 "Login timeout value in seconds.");
38 int qlport_down_retry
;
39 module_param(qlport_down_retry
, int, S_IRUGO
|S_IRUSR
);
40 MODULE_PARM_DESC(qlport_down_retry
,
41 "Maximum number of command retries to a port that returns "
42 "a PORT-DOWN status.");
44 int ql2xplogiabsentdevice
;
45 module_param(ql2xplogiabsentdevice
, int, S_IRUGO
|S_IWUSR
);
46 MODULE_PARM_DESC(ql2xplogiabsentdevice
,
47 "Option to enable PLOGI to devices that are not present after "
48 "a Fabric scan. This is needed for several broken switches. "
49 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
51 int ql2xloginretrycount
= 0;
52 module_param(ql2xloginretrycount
, int, S_IRUGO
|S_IRUSR
);
53 MODULE_PARM_DESC(ql2xloginretrycount
,
54 "Specify an alternate value for the NVRAM login retry count.");
56 int ql2xallocfwdump
= 1;
57 module_param(ql2xallocfwdump
, int, S_IRUGO
|S_IRUSR
);
58 MODULE_PARM_DESC(ql2xallocfwdump
,
59 "Option to enable allocation of memory for a firmware dump "
60 "during HBA initialization. Memory allocation requirements "
61 "vary by ISP type. Default is 1 - allocate memory.");
63 int ql2xextended_error_logging
;
64 module_param(ql2xextended_error_logging
, int, S_IRUGO
|S_IWUSR
);
65 MODULE_PARM_DESC(ql2xextended_error_logging
,
66 "Option to enable extended error logging, "
67 "Default is 0 - no logging. 1 - log errors.");
69 static void qla2x00_free_device(scsi_qla_host_t
*);
71 static void qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
);
74 module_param(ql2xfdmienable
, int, S_IRUGO
|S_IRUSR
);
75 MODULE_PARM_DESC(ql2xfdmienable
,
76 "Enables FDMI registratons "
77 "Default is 0 - no FDMI. 1 - perfom FDMI.");
79 #define MAX_Q_DEPTH 32
80 static int ql2xmaxqdepth
= MAX_Q_DEPTH
;
81 module_param(ql2xmaxqdepth
, int, S_IRUGO
|S_IWUSR
);
82 MODULE_PARM_DESC(ql2xmaxqdepth
,
83 "Maximum queue depth to report for target devices.");
85 int ql2xqfullrampup
= 120;
86 module_param(ql2xqfullrampup
, int, S_IRUGO
|S_IWUSR
);
87 MODULE_PARM_DESC(ql2xqfullrampup
,
88 "Number of seconds to wait to begin to ramp-up the queue "
89 "depth for a device after a queue-full condition has been "
90 "detected. Default is 120 seconds.");
93 * SCSI host template entry points
95 static int qla2xxx_slave_configure(struct scsi_device
* device
);
96 static int qla2xxx_slave_alloc(struct scsi_device
*);
97 static int qla2xxx_scan_finished(struct Scsi_Host
*, unsigned long time
);
98 static void qla2xxx_scan_start(struct Scsi_Host
*);
99 static void qla2xxx_slave_destroy(struct scsi_device
*);
100 static int qla2x00_queuecommand(struct scsi_cmnd
*cmd
,
101 void (*fn
)(struct scsi_cmnd
*));
102 static int qla24xx_queuecommand(struct scsi_cmnd
*cmd
,
103 void (*fn
)(struct scsi_cmnd
*));
104 static int qla2xxx_eh_abort(struct scsi_cmnd
*);
105 static int qla2xxx_eh_device_reset(struct scsi_cmnd
*);
106 static int qla2xxx_eh_bus_reset(struct scsi_cmnd
*);
107 static int qla2xxx_eh_host_reset(struct scsi_cmnd
*);
108 static int qla2x00_loop_reset(scsi_qla_host_t
*ha
);
109 static int qla2x00_device_reset(scsi_qla_host_t
*, fc_port_t
*);
111 static int qla2x00_change_queue_depth(struct scsi_device
*, int);
112 static int qla2x00_change_queue_type(struct scsi_device
*, int);
114 struct scsi_host_template qla2x00_driver_template
= {
115 .module
= THIS_MODULE
,
116 .name
= QLA2XXX_DRIVER_NAME
,
117 .queuecommand
= qla2x00_queuecommand
,
119 .eh_abort_handler
= qla2xxx_eh_abort
,
120 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
121 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
122 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
124 .slave_configure
= qla2xxx_slave_configure
,
126 .slave_alloc
= qla2xxx_slave_alloc
,
127 .slave_destroy
= qla2xxx_slave_destroy
,
128 .scan_finished
= qla2xxx_scan_finished
,
129 .scan_start
= qla2xxx_scan_start
,
130 .change_queue_depth
= qla2x00_change_queue_depth
,
131 .change_queue_type
= qla2x00_change_queue_type
,
134 .use_clustering
= ENABLE_CLUSTERING
,
135 .sg_tablesize
= SG_ALL
,
138 * The RISC allows for each command to transfer (2^32-1) bytes of data,
139 * which equates to 0x800000 sectors.
141 .max_sectors
= 0xFFFF,
142 .shost_attrs
= qla2x00_host_attrs
,
145 struct scsi_host_template qla24xx_driver_template
= {
146 .module
= THIS_MODULE
,
147 .name
= QLA2XXX_DRIVER_NAME
,
148 .queuecommand
= qla24xx_queuecommand
,
150 .eh_abort_handler
= qla2xxx_eh_abort
,
151 .eh_device_reset_handler
= qla2xxx_eh_device_reset
,
152 .eh_bus_reset_handler
= qla2xxx_eh_bus_reset
,
153 .eh_host_reset_handler
= qla2xxx_eh_host_reset
,
155 .slave_configure
= qla2xxx_slave_configure
,
157 .slave_alloc
= qla2xxx_slave_alloc
,
158 .slave_destroy
= qla2xxx_slave_destroy
,
159 .scan_finished
= qla2xxx_scan_finished
,
160 .scan_start
= qla2xxx_scan_start
,
161 .change_queue_depth
= qla2x00_change_queue_depth
,
162 .change_queue_type
= qla2x00_change_queue_type
,
165 .use_clustering
= ENABLE_CLUSTERING
,
166 .sg_tablesize
= SG_ALL
,
168 .max_sectors
= 0xFFFF,
169 .shost_attrs
= qla2x00_host_attrs
,
172 static struct scsi_transport_template
*qla2xxx_transport_template
= NULL
;
173 struct scsi_transport_template
*qla2xxx_transport_vport_template
= NULL
;
175 /* TODO Convert to inlines
180 void qla2x00_timer(scsi_qla_host_t
*);
182 __inline__
void qla2x00_start_timer(scsi_qla_host_t
*,
183 void *, unsigned long);
184 static __inline__
void qla2x00_restart_timer(scsi_qla_host_t
*, unsigned long);
185 __inline__
void qla2x00_stop_timer(scsi_qla_host_t
*);
188 qla2x00_start_timer(scsi_qla_host_t
*ha
, void *func
, unsigned long interval
)
190 init_timer(&ha
->timer
);
191 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
192 ha
->timer
.data
= (unsigned long)ha
;
193 ha
->timer
.function
= (void (*)(unsigned long))func
;
194 add_timer(&ha
->timer
);
195 ha
->timer_active
= 1;
199 qla2x00_restart_timer(scsi_qla_host_t
*ha
, unsigned long interval
)
201 mod_timer(&ha
->timer
, jiffies
+ interval
* HZ
);
205 qla2x00_stop_timer(scsi_qla_host_t
*ha
)
207 del_timer_sync(&ha
->timer
);
208 ha
->timer_active
= 0;
211 static int qla2x00_do_dpc(void *data
);
213 static void qla2x00_rst_aen(scsi_qla_host_t
*);
215 uint8_t qla2x00_mem_alloc(scsi_qla_host_t
*);
216 void qla2x00_mem_free(scsi_qla_host_t
*ha
);
217 static int qla2x00_allocate_sp_pool( scsi_qla_host_t
*ha
);
218 static void qla2x00_free_sp_pool(scsi_qla_host_t
*ha
);
219 static void qla2x00_sp_free_dma(scsi_qla_host_t
*, srb_t
*);
220 void qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*);
222 /* -------------------------------------------------------------------------- */
225 qla2x00_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
227 static char *pci_bus_modes
[] = {
228 "33", "66", "100", "133",
233 pci_bus
= (ha
->pci_attr
& (BIT_9
| BIT_10
)) >> 9;
236 strcat(str
, pci_bus_modes
[pci_bus
]);
238 pci_bus
= (ha
->pci_attr
& BIT_8
) >> 8;
240 strcat(str
, pci_bus_modes
[pci_bus
]);
242 strcat(str
, " MHz)");
248 qla24xx_pci_info_str(struct scsi_qla_host
*ha
, char *str
)
250 static char *pci_bus_modes
[] = { "33", "66", "100", "133", };
254 pcie_reg
= pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
);
257 uint16_t pcie_lstat
, lspeed
, lwidth
;
260 pci_read_config_word(ha
->pdev
, pcie_reg
, &pcie_lstat
);
261 lspeed
= pcie_lstat
& (BIT_0
| BIT_1
| BIT_2
| BIT_3
);
262 lwidth
= (pcie_lstat
&
263 (BIT_4
| BIT_5
| BIT_6
| BIT_7
| BIT_8
| BIT_9
)) >> 4;
265 strcpy(str
, "PCIe (");
267 strcat(str
, "2.5Gb/s ");
269 strcat(str
, "<unknown> ");
270 snprintf(lwstr
, sizeof(lwstr
), "x%d)", lwidth
);
277 pci_bus
= (ha
->pci_attr
& CSRX_PCIX_BUS_MODE_MASK
) >> 8;
278 if (pci_bus
== 0 || pci_bus
== 8) {
280 strcat(str
, pci_bus_modes
[pci_bus
>> 3]);
284 strcat(str
, "Mode 2");
286 strcat(str
, "Mode 1");
288 strcat(str
, pci_bus_modes
[pci_bus
& ~BIT_2
]);
290 strcat(str
, " MHz)");
296 qla2x00_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
300 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
301 ha
->fw_minor_version
,
302 ha
->fw_subminor_version
);
304 if (ha
->fw_attributes
& BIT_9
) {
309 switch (ha
->fw_attributes
& 0xFF) {
323 sprintf(un_str
, "(%x)", ha
->fw_attributes
);
327 if (ha
->fw_attributes
& 0x100)
334 qla24xx_fw_version_str(struct scsi_qla_host
*ha
, char *str
)
336 sprintf(str
, "%d.%02d.%02d ", ha
->fw_major_version
,
337 ha
->fw_minor_version
,
338 ha
->fw_subminor_version
);
340 if (ha
->fw_attributes
& BIT_0
)
341 strcat(str
, "[Class 2] ");
342 if (ha
->fw_attributes
& BIT_1
)
343 strcat(str
, "[IP] ");
344 if (ha
->fw_attributes
& BIT_2
)
345 strcat(str
, "[Multi-ID] ");
346 if (ha
->fw_attributes
& BIT_13
)
347 strcat(str
, "[Experimental]");
351 static inline srb_t
*
352 qla2x00_get_new_sp(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
353 struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
357 sp
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
365 CMD_SP(cmd
) = (void *)sp
;
366 cmd
->scsi_done
= done
;
372 qla2x00_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
374 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
375 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
376 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
380 rval
= fc_remote_port_chkready(rport
);
383 goto qc_fail_command
;
386 /* Close window on fcport/rport state-transitioning. */
387 if (!*(fc_port_t
**)rport
->dd_data
) {
388 cmd
->result
= DID_IMM_RETRY
<< 16;
389 goto qc_fail_command
;
392 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
393 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
394 atomic_read(&ha
->loop_state
) == LOOP_DEAD
) {
395 cmd
->result
= DID_NO_CONNECT
<< 16;
396 goto qc_fail_command
;
401 spin_unlock_irq(ha
->host
->host_lock
);
403 sp
= qla2x00_get_new_sp(ha
, fcport
, cmd
, done
);
405 goto qc_host_busy_lock
;
407 rval
= qla2x00_start_scsi(sp
);
408 if (rval
!= QLA_SUCCESS
)
409 goto qc_host_busy_free_sp
;
411 spin_lock_irq(ha
->host
->host_lock
);
415 qc_host_busy_free_sp
:
416 qla2x00_sp_free_dma(ha
, sp
);
417 mempool_free(sp
, ha
->srb_mempool
);
420 spin_lock_irq(ha
->host
->host_lock
);
423 return SCSI_MLQUEUE_HOST_BUSY
;
433 qla24xx_queuecommand(struct scsi_cmnd
*cmd
, void (*done
)(struct scsi_cmnd
*))
435 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
436 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
437 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmd
->device
));
440 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
442 rval
= fc_remote_port_chkready(rport
);
445 goto qc24_fail_command
;
448 /* Close window on fcport/rport state-transitioning. */
449 if (!*(fc_port_t
**)rport
->dd_data
) {
450 cmd
->result
= DID_IMM_RETRY
<< 16;
451 goto qc24_fail_command
;
454 if (atomic_read(&fcport
->state
) != FCS_ONLINE
) {
455 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
||
456 atomic_read(&pha
->loop_state
) == LOOP_DEAD
) {
457 cmd
->result
= DID_NO_CONNECT
<< 16;
458 goto qc24_fail_command
;
463 spin_unlock_irq(ha
->host
->host_lock
);
465 sp
= qla2x00_get_new_sp(pha
, fcport
, cmd
, done
);
467 goto qc24_host_busy_lock
;
469 rval
= qla24xx_start_scsi(sp
);
470 if (rval
!= QLA_SUCCESS
)
471 goto qc24_host_busy_free_sp
;
473 spin_lock_irq(ha
->host
->host_lock
);
477 qc24_host_busy_free_sp
:
478 qla2x00_sp_free_dma(pha
, sp
);
479 mempool_free(sp
, pha
->srb_mempool
);
482 spin_lock_irq(ha
->host
->host_lock
);
485 return SCSI_MLQUEUE_HOST_BUSY
;
495 * qla2x00_eh_wait_on_command
496 * Waits for the command to be returned by the Firmware for some
500 * ha = actual ha whose done queue will contain the command
501 * returned by firmware.
502 * cmd = Scsi Command to wait on.
503 * flag = Abort/Reset(Bus or Device Reset)
510 qla2x00_eh_wait_on_command(scsi_qla_host_t
*ha
, struct scsi_cmnd
*cmd
)
512 #define ABORT_POLLING_PERIOD 1000
513 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
514 unsigned long wait_iter
= ABORT_WAIT_ITER
;
515 int ret
= QLA_SUCCESS
;
517 while (CMD_SP(cmd
)) {
518 msleep(ABORT_POLLING_PERIOD
);
524 ret
= QLA_FUNCTION_FAILED
;
530 * qla2x00_wait_for_hba_online
531 * Wait till the HBA is online after going through
532 * <= MAX_RETRIES_OF_ISP_ABORT or
533 * finally HBA is disabled ie marked offline
536 * ha - pointer to host adapter structure
539 * Does context switching-Release SPIN_LOCK
540 * (if any) before calling this routine.
543 * Success (Adapter is online) : 0
544 * Failed (Adapter is offline/disabled) : 1
547 qla2x00_wait_for_hba_online(scsi_qla_host_t
*ha
)
550 unsigned long wait_online
;
551 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
553 wait_online
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
554 while (((test_bit(ISP_ABORT_NEEDED
, &pha
->dpc_flags
)) ||
555 test_bit(ABORT_ISP_ACTIVE
, &pha
->dpc_flags
) ||
556 test_bit(ISP_ABORT_RETRY
, &pha
->dpc_flags
) ||
557 pha
->dpc_active
) && time_before(jiffies
, wait_online
)) {
561 if (pha
->flags
.online
)
562 return_status
= QLA_SUCCESS
;
564 return_status
= QLA_FUNCTION_FAILED
;
566 DEBUG2(printk("%s return_status=%d\n",__func__
,return_status
));
568 return (return_status
);
572 * qla2x00_wait_for_loop_ready
573 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
574 * to be in LOOP_READY state.
576 * ha - pointer to host adapter structure
579 * Does context switching-Release SPIN_LOCK
580 * (if any) before calling this routine.
584 * Success (LOOP_READY) : 0
585 * Failed (LOOP_NOT_READY) : 1
588 qla2x00_wait_for_loop_ready(scsi_qla_host_t
*ha
)
590 int return_status
= QLA_SUCCESS
;
591 unsigned long loop_timeout
;
592 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
594 /* wait for 5 min at the max for loop to be ready */
595 loop_timeout
= jiffies
+ (MAX_LOOP_TIMEOUT
* HZ
);
597 while ((!atomic_read(&pha
->loop_down_timer
) &&
598 atomic_read(&pha
->loop_state
) == LOOP_DOWN
) ||
599 atomic_read(&pha
->loop_state
) != LOOP_READY
) {
600 if (atomic_read(&pha
->loop_state
) == LOOP_DEAD
) {
601 return_status
= QLA_FUNCTION_FAILED
;
605 if (time_after_eq(jiffies
, loop_timeout
)) {
606 return_status
= QLA_FUNCTION_FAILED
;
610 return (return_status
);
614 qla2x00_block_error_handler(struct scsi_cmnd
*cmnd
)
616 struct Scsi_Host
*shost
= cmnd
->device
->host
;
617 struct fc_rport
*rport
= starget_to_rport(scsi_target(cmnd
->device
));
620 spin_lock_irqsave(shost
->host_lock
, flags
);
621 while (rport
->port_state
== FC_PORTSTATE_BLOCKED
) {
622 spin_unlock_irqrestore(shost
->host_lock
, flags
);
624 spin_lock_irqsave(shost
->host_lock
, flags
);
626 spin_unlock_irqrestore(shost
->host_lock
, flags
);
630 /**************************************************************************
634 * The abort function will abort the specified command.
637 * cmd = Linux SCSI command packet to be aborted.
640 * Either SUCCESS or FAILED.
643 * Only return FAILED if command not returned by firmware.
644 **************************************************************************/
646 qla2xxx_eh_abort(struct scsi_cmnd
*cmd
)
648 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
651 unsigned int id
, lun
;
652 unsigned long serial
;
655 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
657 qla2x00_block_error_handler(cmd
);
664 id
= cmd
->device
->id
;
665 lun
= cmd
->device
->lun
;
666 serial
= cmd
->serial_number
;
668 /* Check active list for command command. */
669 spin_lock_irqsave(&pha
->hardware_lock
, flags
);
670 for (i
= 1; i
< MAX_OUTSTANDING_COMMANDS
; i
++) {
671 sp
= pha
->outstanding_cmds
[i
];
679 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
680 __func__
, ha
->host_no
, sp
, serial
));
681 DEBUG3(qla2x00_print_scsi_cmd(cmd
));
683 spin_unlock_irqrestore(&pha
->hardware_lock
, flags
);
684 if (ha
->isp_ops
.abort_command(ha
, sp
)) {
685 DEBUG2(printk("%s(%ld): abort_command "
686 "mbx failed.\n", __func__
, ha
->host_no
));
688 DEBUG3(printk("%s(%ld): abort_command "
689 "mbx success.\n", __func__
, ha
->host_no
));
692 spin_lock_irqsave(&pha
->hardware_lock
, flags
);
696 spin_unlock_irqrestore(&pha
->hardware_lock
, flags
);
698 /* Wait for the command to be returned. */
700 if (qla2x00_eh_wait_on_command(ha
, cmd
) != QLA_SUCCESS
) {
701 qla_printk(KERN_ERR
, ha
,
702 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
703 "%x.\n", ha
->host_no
, id
, lun
, serial
, ret
);
708 qla_printk(KERN_INFO
, ha
,
709 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
710 ha
->host_no
, id
, lun
, wait
, serial
, ret
);
715 /**************************************************************************
716 * qla2x00_eh_wait_for_pending_target_commands
719 * Waits for all the commands to come back from the specified target.
722 * ha - pointer to scsi_qla_host structure.
725 * Either SUCCESS or FAILED.
728 **************************************************************************/
730 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t
*ha
, unsigned int t
)
735 struct scsi_cmnd
*cmd
;
737 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
742 * Waiting for all commands for the designated target in the active
745 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
746 spin_lock_irqsave(&pha
->hardware_lock
, flags
);
747 sp
= pha
->outstanding_cmds
[cnt
];
750 spin_unlock_irqrestore(&pha
->hardware_lock
, flags
);
751 if (cmd
->device
->id
== t
&&
752 ha
->vp_idx
== sp
->ha
->vp_idx
) {
753 if (!qla2x00_eh_wait_on_command(ha
, cmd
)) {
759 spin_unlock_irqrestore(&pha
->hardware_lock
, flags
);
766 /**************************************************************************
767 * qla2xxx_eh_device_reset
770 * The device reset function will reset the target and abort any
771 * executing commands.
773 * NOTE: The use of SP is undefined within this context. Do *NOT*
774 * attempt to use this value, even if you determine it is
778 * cmd = Linux SCSI command packet of the command that cause the
782 * SUCCESS/FAILURE (defined as macro in scsi.h).
784 **************************************************************************/
786 qla2xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
788 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
789 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
791 unsigned int id
, lun
;
792 unsigned long serial
;
794 qla2x00_block_error_handler(cmd
);
796 id
= cmd
->device
->id
;
797 lun
= cmd
->device
->lun
;
798 serial
= cmd
->serial_number
;
803 qla_printk(KERN_INFO
, ha
,
804 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha
->host_no
, id
, lun
);
806 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
807 goto eh_dev_reset_done
;
809 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
810 if (qla2x00_device_reset(ha
, fcport
) == 0)
813 #if defined(LOGOUT_AFTER_DEVICE_RESET)
814 if (ret
== SUCCESS
) {
815 if (fcport
->flags
& FC_FABRIC_DEVICE
) {
816 ha
->isp_ops
.fabric_logout(ha
, fcport
->loop_id
);
817 qla2x00_mark_device_lost(ha
, fcport
, 0, 0);
822 DEBUG2(printk(KERN_INFO
823 "%s failed: loop not ready\n",__func__
));
827 DEBUG3(printk("%s(%ld): device reset failed\n",
828 __func__
, ha
->host_no
));
829 qla_printk(KERN_INFO
, ha
, "%s: device reset failed\n",
832 goto eh_dev_reset_done
;
835 /* Flush outstanding commands. */
836 if (qla2x00_eh_wait_for_pending_target_commands(ha
, id
))
839 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
840 __func__
, ha
->host_no
));
841 qla_printk(KERN_INFO
, ha
,
842 "%s: failed while waiting for commands\n", __func__
);
844 qla_printk(KERN_INFO
, ha
,
845 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha
->host_no
,
851 /**************************************************************************
852 * qla2x00_eh_wait_for_pending_commands
855 * Waits for all the commands to come back from the specified host.
858 * ha - pointer to scsi_qla_host structure.
865 **************************************************************************/
867 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t
*ha
)
872 struct scsi_cmnd
*cmd
;
878 * Waiting for all commands for the designated target in the active
881 for (cnt
= 1; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++) {
882 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
883 sp
= ha
->outstanding_cmds
[cnt
];
886 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
887 status
= qla2x00_eh_wait_on_command(ha
, cmd
);
892 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
899 /**************************************************************************
900 * qla2xxx_eh_bus_reset
903 * The bus reset function will reset the bus and abort any executing
907 * cmd = Linux SCSI command packet of the command that cause the
911 * SUCCESS/FAILURE (defined as macro in scsi.h).
913 **************************************************************************/
915 qla2xxx_eh_bus_reset(struct scsi_cmnd
*cmd
)
917 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
918 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
919 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
921 unsigned int id
, lun
;
922 unsigned long serial
;
924 qla2x00_block_error_handler(cmd
);
926 id
= cmd
->device
->id
;
927 lun
= cmd
->device
->lun
;
928 serial
= cmd
->serial_number
;
933 qla_printk(KERN_INFO
, ha
,
934 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha
->host_no
, id
, lun
);
936 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
937 DEBUG2(printk("%s failed:board disabled\n",__func__
));
938 goto eh_bus_reset_done
;
941 if (qla2x00_wait_for_loop_ready(ha
) == QLA_SUCCESS
) {
942 if (qla2x00_loop_reset(ha
) == QLA_SUCCESS
)
946 goto eh_bus_reset_done
;
948 /* Flush outstanding commands. */
949 if (!qla2x00_eh_wait_for_pending_commands(pha
))
953 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
954 (ret
== FAILED
) ? "failed" : "succeded");
959 /**************************************************************************
960 * qla2xxx_eh_host_reset
963 * The reset function will reset the Adapter.
966 * cmd = Linux SCSI command packet of the command that cause the
970 * Either SUCCESS or FAILED.
973 **************************************************************************/
975 qla2xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
977 scsi_qla_host_t
*ha
= to_qla_host(cmd
->device
->host
);
978 fc_port_t
*fcport
= (struct fc_port
*) cmd
->device
->hostdata
;
980 unsigned int id
, lun
;
981 unsigned long serial
;
982 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
984 qla2x00_block_error_handler(cmd
);
986 id
= cmd
->device
->id
;
987 lun
= cmd
->device
->lun
;
988 serial
= cmd
->serial_number
;
993 qla_printk(KERN_INFO
, ha
,
994 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha
->host_no
, id
, lun
);
996 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
997 goto eh_host_reset_lock
;
1000 * Fixme-may be dpc thread is active and processing
1001 * loop_resync,so wait a while for it to
1002 * be completed and then issue big hammer.Otherwise
1003 * it may cause I/O failure as big hammer marks the
1004 * devices as lost kicking of the port_down_timer
1005 * while dpc is stuck for the mailbox to complete.
1007 qla2x00_wait_for_loop_ready(ha
);
1008 set_bit(ABORT_ISP_ACTIVE
, &pha
->dpc_flags
);
1009 if (qla2x00_abort_isp(pha
)) {
1010 clear_bit(ABORT_ISP_ACTIVE
, &pha
->dpc_flags
);
1011 /* failed. schedule dpc to try */
1012 set_bit(ISP_ABORT_NEEDED
, &pha
->dpc_flags
);
1014 if (qla2x00_wait_for_hba_online(ha
) != QLA_SUCCESS
)
1015 goto eh_host_reset_lock
;
1017 clear_bit(ABORT_ISP_ACTIVE
, &pha
->dpc_flags
);
1019 /* Waiting for our command in done_queue to be returned to OS.*/
1020 if (qla2x00_eh_wait_for_pending_commands(pha
))
1024 qla2x00_vp_abort_isp(ha
);
1027 qla_printk(KERN_INFO
, ha
, "%s: reset %s\n", __func__
,
1028 (ret
== FAILED
) ? "failed" : "succeded");
1034 * qla2x00_loop_reset
1038 * ha = adapter block pointer.
1044 qla2x00_loop_reset(scsi_qla_host_t
*ha
)
1047 struct fc_port
*fcport
;
1049 if (ha
->flags
.enable_lip_full_login
) {
1050 ret
= qla2x00_full_login_lip(ha
);
1051 if (ret
!= QLA_SUCCESS
) {
1052 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1053 "full_login_lip=%d.\n", __func__
, ha
->host_no
,
1056 atomic_set(&ha
->loop_state
, LOOP_DOWN
);
1057 atomic_set(&ha
->loop_down_timer
, LOOP_DOWN_TIME
);
1058 qla2x00_mark_all_devices_lost(ha
, 0);
1059 qla2x00_wait_for_loop_ready(ha
);
1062 if (ha
->flags
.enable_lip_reset
) {
1063 ret
= qla2x00_lip_reset(ha
);
1064 if (ret
!= QLA_SUCCESS
) {
1065 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1066 "lip_reset=%d.\n", __func__
, ha
->host_no
, ret
));
1068 qla2x00_wait_for_loop_ready(ha
);
1071 if (ha
->flags
.enable_target_reset
) {
1072 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
1073 if (fcport
->port_type
!= FCT_TARGET
)
1076 ret
= qla2x00_device_reset(ha
, fcport
);
1077 if (ret
!= QLA_SUCCESS
) {
1078 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1079 "target_reset=%d d_id=%x.\n", __func__
,
1080 ha
->host_no
, ret
, fcport
->d_id
.b24
));
1085 /* Issue marker command only when we are going to start the I/O */
1086 ha
->marker_needed
= 1;
1092 * qla2x00_device_reset
1093 * Issue bus device reset message to the target.
1096 * ha = adapter block pointer.
1098 * TARGET_QUEUE_LOCK must be released.
1099 * ADAPTER_STATE_LOCK must be released.
1105 qla2x00_device_reset(scsi_qla_host_t
*ha
, fc_port_t
*reset_fcport
)
1107 /* Abort Target command will clear Reservation */
1108 return ha
->isp_ops
.abort_target(reset_fcport
);
1112 qla2xxx_slave_alloc(struct scsi_device
*sdev
)
1114 struct fc_rport
*rport
= starget_to_rport(scsi_target(sdev
));
1116 if (!rport
|| fc_remote_port_chkready(rport
))
1119 sdev
->hostdata
= *(fc_port_t
**)rport
->dd_data
;
1125 qla2xxx_slave_configure(struct scsi_device
*sdev
)
1127 scsi_qla_host_t
*ha
= to_qla_host(sdev
->host
);
1128 struct fc_rport
*rport
= starget_to_rport(sdev
->sdev_target
);
1130 if (sdev
->tagged_supported
)
1131 scsi_activate_tcq(sdev
, ha
->max_q_depth
);
1133 scsi_deactivate_tcq(sdev
, ha
->max_q_depth
);
1135 rport
->dev_loss_tmo
= ha
->port_down_retry_count
+ 5;
1141 qla2xxx_slave_destroy(struct scsi_device
*sdev
)
1143 sdev
->hostdata
= NULL
;
1147 qla2x00_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1149 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1150 return sdev
->queue_depth
;
1154 qla2x00_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1156 if (sdev
->tagged_supported
) {
1157 scsi_set_tag_type(sdev
, tag_type
);
1159 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1161 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1169 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1172 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1173 * supported addressing method.
1176 qla2x00_config_dma_addressing(scsi_qla_host_t
*ha
)
1178 /* Assume a 32bit DMA mask. */
1179 ha
->flags
.enable_64bit_addressing
= 0;
1181 if (!dma_set_mask(&ha
->pdev
->dev
, DMA_64BIT_MASK
)) {
1182 /* Any upper-dword bits set? */
1183 if (MSD(dma_get_required_mask(&ha
->pdev
->dev
)) &&
1184 !pci_set_consistent_dma_mask(ha
->pdev
, DMA_64BIT_MASK
)) {
1185 /* Ok, a 64bit DMA mask is applicable. */
1186 ha
->flags
.enable_64bit_addressing
= 1;
1187 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_64
;
1188 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_64
;
1193 dma_set_mask(&ha
->pdev
->dev
, DMA_32BIT_MASK
);
1194 pci_set_consistent_dma_mask(ha
->pdev
, DMA_32BIT_MASK
);
1198 qla2x00_set_isp_flags(scsi_qla_host_t
*ha
)
1200 ha
->device_type
= DT_EXTENDED_IDS
;
1201 switch (ha
->pdev
->device
) {
1202 case PCI_DEVICE_ID_QLOGIC_ISP2100
:
1203 ha
->device_type
|= DT_ISP2100
;
1204 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1205 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1207 case PCI_DEVICE_ID_QLOGIC_ISP2200
:
1208 ha
->device_type
|= DT_ISP2200
;
1209 ha
->device_type
&= ~DT_EXTENDED_IDS
;
1210 ha
->fw_srisc_address
= RISC_START_ADDRESS_2100
;
1212 case PCI_DEVICE_ID_QLOGIC_ISP2300
:
1213 ha
->device_type
|= DT_ISP2300
;
1214 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1215 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1217 case PCI_DEVICE_ID_QLOGIC_ISP2312
:
1218 ha
->device_type
|= DT_ISP2312
;
1219 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1220 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1222 case PCI_DEVICE_ID_QLOGIC_ISP2322
:
1223 ha
->device_type
|= DT_ISP2322
;
1224 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1225 if (ha
->pdev
->subsystem_vendor
== 0x1028 &&
1226 ha
->pdev
->subsystem_device
== 0x0170)
1227 ha
->device_type
|= DT_OEM_001
;
1228 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1230 case PCI_DEVICE_ID_QLOGIC_ISP6312
:
1231 ha
->device_type
|= DT_ISP6312
;
1232 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1234 case PCI_DEVICE_ID_QLOGIC_ISP6322
:
1235 ha
->device_type
|= DT_ISP6322
;
1236 ha
->fw_srisc_address
= RISC_START_ADDRESS_2300
;
1238 case PCI_DEVICE_ID_QLOGIC_ISP2422
:
1239 ha
->device_type
|= DT_ISP2422
;
1240 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1241 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1243 case PCI_DEVICE_ID_QLOGIC_ISP2432
:
1244 ha
->device_type
|= DT_ISP2432
;
1245 ha
->device_type
|= DT_ZIO_SUPPORTED
;
1246 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1248 case PCI_DEVICE_ID_QLOGIC_ISP5422
:
1249 ha
->device_type
|= DT_ISP5422
;
1250 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1252 case PCI_DEVICE_ID_QLOGIC_ISP5432
:
1253 ha
->device_type
|= DT_ISP5432
;
1254 ha
->fw_srisc_address
= RISC_START_ADDRESS_2400
;
1260 qla2x00_iospace_config(scsi_qla_host_t
*ha
)
1262 unsigned long pio
, pio_len
, pio_flags
;
1263 unsigned long mmio
, mmio_len
, mmio_flags
;
1265 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1266 pio
= pci_resource_start(ha
->pdev
, 0);
1267 pio_len
= pci_resource_len(ha
->pdev
, 0);
1268 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
1269 if (pio_flags
& IORESOURCE_IO
) {
1270 if (pio_len
< MIN_IOBASE_LEN
) {
1271 qla_printk(KERN_WARNING
, ha
,
1272 "Invalid PCI I/O region size (%s)...\n",
1273 pci_name(ha
->pdev
));
1277 qla_printk(KERN_WARNING
, ha
,
1278 "region #0 not a PIO resource (%s)...\n",
1279 pci_name(ha
->pdev
));
1283 /* Use MMIO operations for all accesses. */
1284 mmio
= pci_resource_start(ha
->pdev
, 1);
1285 mmio_len
= pci_resource_len(ha
->pdev
, 1);
1286 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
1288 if (!(mmio_flags
& IORESOURCE_MEM
)) {
1289 qla_printk(KERN_ERR
, ha
,
1290 "region #0 not an MMIO resource (%s), aborting\n",
1291 pci_name(ha
->pdev
));
1292 goto iospace_error_exit
;
1294 if (mmio_len
< MIN_IOBASE_LEN
) {
1295 qla_printk(KERN_ERR
, ha
,
1296 "Invalid PCI mem region size (%s), aborting\n",
1297 pci_name(ha
->pdev
));
1298 goto iospace_error_exit
;
1301 if (pci_request_regions(ha
->pdev
, QLA2XXX_DRIVER_NAME
)) {
1302 qla_printk(KERN_WARNING
, ha
,
1303 "Failed to reserve PIO/MMIO regions (%s)\n",
1304 pci_name(ha
->pdev
));
1306 goto iospace_error_exit
;
1309 ha
->pio_address
= pio
;
1310 ha
->pio_length
= pio_len
;
1311 ha
->iobase
= ioremap(mmio
, MIN_IOBASE_LEN
);
1313 qla_printk(KERN_ERR
, ha
,
1314 "cannot remap MMIO (%s), aborting\n", pci_name(ha
->pdev
));
1316 goto iospace_error_exit
;
1326 qla2x00_enable_intrs(scsi_qla_host_t
*ha
)
1328 unsigned long flags
= 0;
1329 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1331 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1332 ha
->interrupts_on
= 1;
1333 /* enable risc and host interrupts */
1334 WRT_REG_WORD(®
->ictrl
, ICR_EN_INT
| ICR_EN_RISC
);
1335 RD_REG_WORD(®
->ictrl
);
1336 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1341 qla2x00_disable_intrs(scsi_qla_host_t
*ha
)
1343 unsigned long flags
= 0;
1344 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1346 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1347 ha
->interrupts_on
= 0;
1348 /* disable risc and host interrupts */
1349 WRT_REG_WORD(®
->ictrl
, 0);
1350 RD_REG_WORD(®
->ictrl
);
1351 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1355 qla24xx_enable_intrs(scsi_qla_host_t
*ha
)
1357 unsigned long flags
= 0;
1358 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1360 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1361 ha
->interrupts_on
= 1;
1362 WRT_REG_DWORD(®
->ictrl
, ICRX_EN_RISC_INT
);
1363 RD_REG_DWORD(®
->ictrl
);
1364 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1368 qla24xx_disable_intrs(scsi_qla_host_t
*ha
)
1370 unsigned long flags
= 0;
1371 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1373 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1374 ha
->interrupts_on
= 0;
1375 WRT_REG_DWORD(®
->ictrl
, 0);
1376 RD_REG_DWORD(®
->ictrl
);
1377 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1381 qla2xxx_scan_start(struct Scsi_Host
*shost
)
1383 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1385 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
1386 set_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
1387 set_bit(RSCN_UPDATE
, &ha
->dpc_flags
);
1391 qla2xxx_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
1393 scsi_qla_host_t
*ha
= (scsi_qla_host_t
*)shost
->hostdata
;
1397 if (time
> ha
->loop_reset_delay
* HZ
)
1400 return atomic_read(&ha
->loop_state
) == LOOP_READY
;
1404 * PCI driver interface
1406 static int __devinit
1407 qla2x00_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1410 device_reg_t __iomem
*reg
;
1411 struct Scsi_Host
*host
;
1412 scsi_qla_host_t
*ha
;
1413 unsigned long flags
= 0;
1416 struct scsi_host_template
*sht
;
1418 if (pci_enable_device(pdev
))
1421 sht
= &qla2x00_driver_template
;
1422 if (pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2422
||
1423 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP2432
||
1424 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP5422
||
1425 pdev
->device
== PCI_DEVICE_ID_QLOGIC_ISP5432
)
1426 sht
= &qla24xx_driver_template
;
1427 host
= scsi_host_alloc(sht
, sizeof(scsi_qla_host_t
));
1430 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1431 goto probe_disable_device
;
1434 /* Clear our data area */
1435 ha
= (scsi_qla_host_t
*)host
->hostdata
;
1436 memset(ha
, 0, sizeof(scsi_qla_host_t
));
1440 ha
->host_no
= host
->host_no
;
1441 sprintf(ha
->host_str
, "%s_%ld", QLA2XXX_DRIVER_NAME
, ha
->host_no
);
1444 /* Set ISP-type information. */
1445 qla2x00_set_isp_flags(ha
);
1447 /* Configure PCI I/O space */
1448 ret
= qla2x00_iospace_config(ha
);
1452 qla_printk(KERN_INFO
, ha
,
1453 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev
->device
, pdev
->irq
,
1456 spin_lock_init(&ha
->hardware_lock
);
1458 ha
->prev_topology
= 0;
1459 ha
->init_cb_size
= sizeof(init_cb_t
);
1460 ha
->mgmt_svr_loop_id
= MANAGEMENT_SERVER
+ ha
->vp_idx
;
1461 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
1462 ha
->optrom_size
= OPTROM_SIZE_2300
;
1464 ha
->max_q_depth
= MAX_Q_DEPTH
;
1465 if (ql2xmaxqdepth
!= 0 && ql2xmaxqdepth
<= 0xffffU
)
1466 ha
->max_q_depth
= ql2xmaxqdepth
;
1468 /* Assign ISP specific operations. */
1469 ha
->isp_ops
.pci_config
= qla2100_pci_config
;
1470 ha
->isp_ops
.reset_chip
= qla2x00_reset_chip
;
1471 ha
->isp_ops
.chip_diag
= qla2x00_chip_diag
;
1472 ha
->isp_ops
.config_rings
= qla2x00_config_rings
;
1473 ha
->isp_ops
.reset_adapter
= qla2x00_reset_adapter
;
1474 ha
->isp_ops
.nvram_config
= qla2x00_nvram_config
;
1475 ha
->isp_ops
.update_fw_options
= qla2x00_update_fw_options
;
1476 ha
->isp_ops
.load_risc
= qla2x00_load_risc
;
1477 ha
->isp_ops
.pci_info_str
= qla2x00_pci_info_str
;
1478 ha
->isp_ops
.fw_version_str
= qla2x00_fw_version_str
;
1479 ha
->isp_ops
.intr_handler
= qla2100_intr_handler
;
1480 ha
->isp_ops
.enable_intrs
= qla2x00_enable_intrs
;
1481 ha
->isp_ops
.disable_intrs
= qla2x00_disable_intrs
;
1482 ha
->isp_ops
.abort_command
= qla2x00_abort_command
;
1483 ha
->isp_ops
.abort_target
= qla2x00_abort_target
;
1484 ha
->isp_ops
.fabric_login
= qla2x00_login_fabric
;
1485 ha
->isp_ops
.fabric_logout
= qla2x00_fabric_logout
;
1486 ha
->isp_ops
.calc_req_entries
= qla2x00_calc_iocbs_32
;
1487 ha
->isp_ops
.build_iocbs
= qla2x00_build_scsi_iocbs_32
;
1488 ha
->isp_ops
.prep_ms_iocb
= qla2x00_prep_ms_iocb
;
1489 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla2x00_prep_ms_fdmi_iocb
;
1490 ha
->isp_ops
.read_nvram
= qla2x00_read_nvram_data
;
1491 ha
->isp_ops
.write_nvram
= qla2x00_write_nvram_data
;
1492 ha
->isp_ops
.fw_dump
= qla2100_fw_dump
;
1493 ha
->isp_ops
.read_optrom
= qla2x00_read_optrom_data
;
1494 ha
->isp_ops
.write_optrom
= qla2x00_write_optrom_data
;
1495 ha
->isp_ops
.get_flash_version
= qla2x00_get_flash_version
;
1496 if (IS_QLA2100(ha
)) {
1497 host
->max_id
= MAX_TARGETS_2100
;
1498 ha
->mbx_count
= MAILBOX_REGISTER_COUNT_2100
;
1499 ha
->request_q_length
= REQUEST_ENTRY_CNT_2100
;
1500 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1501 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1502 host
->sg_tablesize
= 32;
1503 ha
->gid_list_info_size
= 4;
1504 } else if (IS_QLA2200(ha
)) {
1505 host
->max_id
= MAX_TARGETS_2200
;
1506 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1507 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1508 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2100
;
1509 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2100
;
1510 ha
->gid_list_info_size
= 4;
1511 } else if (IS_QLA23XX(ha
)) {
1512 host
->max_id
= MAX_TARGETS_2200
;
1513 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1514 ha
->request_q_length
= REQUEST_ENTRY_CNT_2200
;
1515 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1516 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1517 ha
->isp_ops
.pci_config
= qla2300_pci_config
;
1518 ha
->isp_ops
.intr_handler
= qla2300_intr_handler
;
1519 ha
->isp_ops
.fw_dump
= qla2300_fw_dump
;
1520 ha
->isp_ops
.beacon_on
= qla2x00_beacon_on
;
1521 ha
->isp_ops
.beacon_off
= qla2x00_beacon_off
;
1522 ha
->isp_ops
.beacon_blink
= qla2x00_beacon_blink
;
1523 ha
->gid_list_info_size
= 6;
1524 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1525 ha
->optrom_size
= OPTROM_SIZE_2322
;
1526 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1527 host
->max_id
= MAX_TARGETS_2200
;
1528 ha
->mbx_count
= MAILBOX_REGISTER_COUNT
;
1529 ha
->request_q_length
= REQUEST_ENTRY_CNT_24XX
;
1530 ha
->response_q_length
= RESPONSE_ENTRY_CNT_2300
;
1531 ha
->last_loop_id
= SNS_LAST_LOOP_ID_2300
;
1532 ha
->init_cb_size
= sizeof(struct mid_init_cb_24xx
);
1533 ha
->mgmt_svr_loop_id
= 10 + ha
->vp_idx
;
1534 ha
->isp_ops
.pci_config
= qla24xx_pci_config
;
1535 ha
->isp_ops
.reset_chip
= qla24xx_reset_chip
;
1536 ha
->isp_ops
.chip_diag
= qla24xx_chip_diag
;
1537 ha
->isp_ops
.config_rings
= qla24xx_config_rings
;
1538 ha
->isp_ops
.reset_adapter
= qla24xx_reset_adapter
;
1539 ha
->isp_ops
.nvram_config
= qla24xx_nvram_config
;
1540 ha
->isp_ops
.update_fw_options
= qla24xx_update_fw_options
;
1541 ha
->isp_ops
.load_risc
= qla24xx_load_risc
;
1542 ha
->isp_ops
.pci_info_str
= qla24xx_pci_info_str
;
1543 ha
->isp_ops
.fw_version_str
= qla24xx_fw_version_str
;
1544 ha
->isp_ops
.intr_handler
= qla24xx_intr_handler
;
1545 ha
->isp_ops
.enable_intrs
= qla24xx_enable_intrs
;
1546 ha
->isp_ops
.disable_intrs
= qla24xx_disable_intrs
;
1547 ha
->isp_ops
.abort_command
= qla24xx_abort_command
;
1548 ha
->isp_ops
.abort_target
= qla24xx_abort_target
;
1549 ha
->isp_ops
.fabric_login
= qla24xx_login_fabric
;
1550 ha
->isp_ops
.fabric_logout
= qla24xx_fabric_logout
;
1551 ha
->isp_ops
.prep_ms_iocb
= qla24xx_prep_ms_iocb
;
1552 ha
->isp_ops
.prep_ms_fdmi_iocb
= qla24xx_prep_ms_fdmi_iocb
;
1553 ha
->isp_ops
.read_nvram
= qla24xx_read_nvram_data
;
1554 ha
->isp_ops
.write_nvram
= qla24xx_write_nvram_data
;
1555 ha
->isp_ops
.fw_dump
= qla24xx_fw_dump
;
1556 ha
->isp_ops
.read_optrom
= qla24xx_read_optrom_data
;
1557 ha
->isp_ops
.write_optrom
= qla24xx_write_optrom_data
;
1558 ha
->isp_ops
.beacon_on
= qla24xx_beacon_on
;
1559 ha
->isp_ops
.beacon_off
= qla24xx_beacon_off
;
1560 ha
->isp_ops
.beacon_blink
= qla24xx_beacon_blink
;
1561 ha
->isp_ops
.get_flash_version
= qla24xx_get_flash_version
;
1562 ha
->gid_list_info_size
= 8;
1563 ha
->optrom_size
= OPTROM_SIZE_24XX
;
1565 host
->can_queue
= ha
->request_q_length
+ 128;
1567 /* load the F/W, read paramaters, and init the H/W */
1568 ha
->instance
= num_hosts
;
1570 init_MUTEX(&ha
->mbx_cmd_sem
);
1571 init_MUTEX(&ha
->vport_sem
);
1572 init_MUTEX_LOCKED(&ha
->mbx_intr_sem
);
1574 INIT_LIST_HEAD(&ha
->list
);
1575 INIT_LIST_HEAD(&ha
->fcports
);
1576 INIT_LIST_HEAD(&ha
->vp_list
);
1578 set_bit(0, (unsigned long *) ha
->vp_idx_map
);
1580 qla2x00_config_dma_addressing(ha
);
1581 if (qla2x00_mem_alloc(ha
)) {
1582 qla_printk(KERN_WARNING
, ha
,
1583 "[ERROR] Failed to allocate memory for adapter\n");
1589 if (qla2x00_initialize_adapter(ha
)) {
1590 qla_printk(KERN_WARNING
, ha
,
1591 "Failed to initialize adapter\n");
1593 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1594 "Adapter flags %x.\n",
1595 ha
->host_no
, ha
->device_flags
));
1602 * Startup the kernel thread for this host adapter
1604 ha
->dpc_thread
= kthread_create(qla2x00_do_dpc
, ha
,
1605 "%s_dpc", ha
->host_str
);
1606 if (IS_ERR(ha
->dpc_thread
)) {
1607 qla_printk(KERN_WARNING
, ha
,
1608 "Unable to start DPC thread!\n");
1609 ret
= PTR_ERR(ha
->dpc_thread
);
1613 host
->this_id
= 255;
1614 host
->cmd_per_lun
= 3;
1615 host
->unique_id
= ha
->instance
;
1616 host
->max_cmd_len
= MAX_CMDSZ
;
1617 host
->max_channel
= MAX_BUSES
- 1;
1618 host
->max_lun
= MAX_LUNS
;
1619 host
->transportt
= qla2xxx_transport_template
;
1621 ret
= qla2x00_request_irqs(ha
);
1625 /* Initialized the timer */
1626 qla2x00_start_timer(ha
, qla2x00_timer
, WATCH_INTERVAL
);
1628 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1631 ha
->isp_ops
.disable_intrs(ha
);
1633 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1635 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
1636 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
1637 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
1639 WRT_REG_WORD(®
->isp
.semaphore
, 0);
1640 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
1641 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
1643 /* Enable proper parity */
1644 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1647 WRT_REG_WORD(®
->isp
.hccr
,
1648 (HCCR_ENABLE_PARITY
+ 0x1));
1650 /* SRAM, Instruction RAM and GP RAM parity */
1651 WRT_REG_WORD(®
->isp
.hccr
,
1652 (HCCR_ENABLE_PARITY
+ 0x7));
1655 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1657 ha
->isp_ops
.enable_intrs(ha
);
1659 pci_set_drvdata(pdev
, ha
);
1661 ha
->flags
.init_done
= 1;
1662 ha
->flags
.online
= 1;
1666 ret
= scsi_add_host(host
, &pdev
->dev
);
1670 scsi_scan_host(host
);
1672 qla2x00_alloc_sysfs_attr(ha
);
1674 qla2x00_init_host_attr(ha
);
1676 qla_printk(KERN_INFO
, ha
, "\n"
1677 " QLogic Fibre Channel HBA Driver: %s\n"
1679 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1680 qla2x00_version_str
, ha
->model_number
,
1681 ha
->model_desc
? ha
->model_desc
: "", pdev
->device
,
1682 ha
->isp_ops
.pci_info_str(ha
, pci_info
), pci_name(pdev
),
1683 ha
->flags
.enable_64bit_addressing
? '+': '-', ha
->host_no
,
1684 ha
->isp_ops
.fw_version_str(ha
, fw_str
));
1689 qla2x00_free_device(ha
);
1691 scsi_host_put(host
);
1693 probe_disable_device
:
1694 pci_disable_device(pdev
);
1700 static void __devexit
1701 qla2x00_remove_one(struct pci_dev
*pdev
)
1703 scsi_qla_host_t
*ha
;
1705 ha
= pci_get_drvdata(pdev
);
1707 qla2x00_free_sysfs_attr(ha
);
1709 fc_remove_host(ha
->host
);
1711 scsi_remove_host(ha
->host
);
1713 qla2x00_free_device(ha
);
1715 scsi_host_put(ha
->host
);
1717 pci_disable_device(pdev
);
1718 pci_set_drvdata(pdev
, NULL
);
1722 qla2x00_free_device(scsi_qla_host_t
*ha
)
1725 if (ha
->timer_active
)
1726 qla2x00_stop_timer(ha
);
1728 /* Kill the kernel thread for this host */
1729 if (ha
->dpc_thread
) {
1730 struct task_struct
*t
= ha
->dpc_thread
;
1733 * qla2xxx_wake_dpc checks for ->dpc_thread
1734 * so we need to zero it out.
1736 ha
->dpc_thread
= NULL
;
1741 qla2x00_trace_control(ha
, TC_DISABLE
, 0, 0);
1743 ha
->flags
.online
= 0;
1745 /* Stop currently executing firmware. */
1746 qla2x00_try_to_stop_firmware(ha
);
1748 /* turn-off interrupts on the card */
1749 if (ha
->interrupts_on
)
1750 ha
->isp_ops
.disable_intrs(ha
);
1752 qla2x00_mem_free(ha
);
1754 qla2x00_free_irqs(ha
);
1756 /* release io space registers */
1758 iounmap(ha
->iobase
);
1759 pci_release_regions(ha
->pdev
);
1763 qla2x00_schedule_rport_del(struct scsi_qla_host
*ha
, fc_port_t
*fcport
,
1766 unsigned long flags
;
1767 struct fc_rport
*rport
;
1772 rport
= fcport
->rport
;
1774 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1775 fcport
->drport
= rport
;
1776 fcport
->rport
= NULL
;
1777 *(fc_port_t
**)rport
->dd_data
= NULL
;
1778 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1779 set_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
);
1781 spin_lock_irqsave(&fcport
->rport_lock
, flags
);
1782 fcport
->rport
= NULL
;
1783 *(fc_port_t
**)rport
->dd_data
= NULL
;
1784 spin_unlock_irqrestore(&fcport
->rport_lock
, flags
);
1785 fc_remote_port_delete(rport
);
1790 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1792 * Input: ha = adapter block pointer. fcport = port structure pointer.
1798 void qla2x00_mark_device_lost(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
1799 int do_login
, int defer
)
1801 if (atomic_read(&fcport
->state
) == FCS_ONLINE
&&
1802 ha
->vp_idx
== fcport
->vp_idx
)
1803 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1806 * We may need to retry the login, so don't change the state of the
1807 * port but do the retries.
1809 if (atomic_read(&fcport
->state
) != FCS_DEVICE_DEAD
)
1810 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1815 if (fcport
->login_retry
== 0) {
1816 fcport
->login_retry
= ha
->login_retry_count
;
1817 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
1819 DEBUG(printk("scsi(%ld): Port login retry: "
1820 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1821 "id = 0x%04x retry cnt=%d\n",
1823 fcport
->port_name
[0],
1824 fcport
->port_name
[1],
1825 fcport
->port_name
[2],
1826 fcport
->port_name
[3],
1827 fcport
->port_name
[4],
1828 fcport
->port_name
[5],
1829 fcport
->port_name
[6],
1830 fcport
->port_name
[7],
1832 fcport
->login_retry
));
1837 * qla2x00_mark_all_devices_lost
1838 * Updates fcport state when device goes offline.
1841 * ha = adapter block pointer.
1842 * fcport = port structure pointer.
1850 qla2x00_mark_all_devices_lost(scsi_qla_host_t
*ha
, int defer
)
1853 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
1855 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
1856 if (ha
->vp_idx
!= 0 && ha
->vp_idx
!= fcport
->vp_idx
)
1859 * No point in marking the device as lost, if the device is
1862 if (atomic_read(&fcport
->state
) == FCS_DEVICE_DEAD
)
1864 if (atomic_read(&fcport
->state
) == FCS_ONLINE
) {
1866 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1867 else if (ha
->vp_idx
== fcport
->vp_idx
)
1868 qla2x00_schedule_rport_del(ha
, fcport
, defer
);
1870 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
1874 qla2xxx_wake_dpc(ha
);
1879 * Allocates adapter memory.
1886 qla2x00_mem_alloc(scsi_qla_host_t
*ha
)
1894 * This will loop only once if everything goes well, else some
1895 * number of retries will be performed to get around a kernel
1896 * bug where available mem is not allocated until after a
1897 * little delay and a retry.
1899 ha
->request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1900 (ha
->request_q_length
+ 1) * sizeof(request_t
),
1901 &ha
->request_dma
, GFP_KERNEL
);
1902 if (ha
->request_ring
== NULL
) {
1903 qla_printk(KERN_WARNING
, ha
,
1904 "Memory Allocation failed - request_ring\n");
1906 qla2x00_mem_free(ha
);
1912 ha
->response_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
1913 (ha
->response_q_length
+ 1) * sizeof(response_t
),
1914 &ha
->response_dma
, GFP_KERNEL
);
1915 if (ha
->response_ring
== NULL
) {
1916 qla_printk(KERN_WARNING
, ha
,
1917 "Memory Allocation failed - response_ring\n");
1919 qla2x00_mem_free(ha
);
1925 ha
->gid_list
= dma_alloc_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
,
1926 &ha
->gid_list_dma
, GFP_KERNEL
);
1927 if (ha
->gid_list
== NULL
) {
1928 qla_printk(KERN_WARNING
, ha
,
1929 "Memory Allocation failed - gid_list\n");
1931 qla2x00_mem_free(ha
);
1937 /* get consistent memory allocated for init control block */
1938 ha
->init_cb
= dma_alloc_coherent(&ha
->pdev
->dev
,
1939 ha
->init_cb_size
, &ha
->init_cb_dma
, GFP_KERNEL
);
1940 if (ha
->init_cb
== NULL
) {
1941 qla_printk(KERN_WARNING
, ha
,
1942 "Memory Allocation failed - init_cb\n");
1944 qla2x00_mem_free(ha
);
1949 memset(ha
->init_cb
, 0, ha
->init_cb_size
);
1951 snprintf(name
, sizeof(name
), "%s_%ld", QLA2XXX_DRIVER_NAME
,
1953 ha
->s_dma_pool
= dma_pool_create(name
, &ha
->pdev
->dev
,
1954 DMA_POOL_SIZE
, 8, 0);
1955 if (ha
->s_dma_pool
== NULL
) {
1956 qla_printk(KERN_WARNING
, ha
,
1957 "Memory Allocation failed - s_dma_pool\n");
1959 qla2x00_mem_free(ha
);
1965 if (qla2x00_allocate_sp_pool(ha
)) {
1966 qla_printk(KERN_WARNING
, ha
,
1967 "Memory Allocation failed - "
1968 "qla2x00_allocate_sp_pool()\n");
1970 qla2x00_mem_free(ha
);
1976 /* Allocate memory for SNS commands */
1977 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1978 /* Get consistent memory allocated for SNS commands */
1979 ha
->sns_cmd
= dma_alloc_coherent(&ha
->pdev
->dev
,
1980 sizeof(struct sns_cmd_pkt
), &ha
->sns_cmd_dma
,
1982 if (ha
->sns_cmd
== NULL
) {
1984 qla_printk(KERN_WARNING
, ha
,
1985 "Memory Allocation failed - sns_cmd\n");
1987 qla2x00_mem_free(ha
);
1992 memset(ha
->sns_cmd
, 0, sizeof(struct sns_cmd_pkt
));
1994 /* Get consistent memory allocated for MS IOCB */
1995 ha
->ms_iocb
= dma_pool_alloc(ha
->s_dma_pool
, GFP_KERNEL
,
1997 if (ha
->ms_iocb
== NULL
) {
1999 qla_printk(KERN_WARNING
, ha
,
2000 "Memory Allocation failed - ms_iocb\n");
2002 qla2x00_mem_free(ha
);
2007 memset(ha
->ms_iocb
, 0, sizeof(ms_iocb_entry_t
));
2010 * Get consistent memory allocated for CT SNS
2013 ha
->ct_sns
= dma_alloc_coherent(&ha
->pdev
->dev
,
2014 sizeof(struct ct_sns_pkt
), &ha
->ct_sns_dma
,
2016 if (ha
->ct_sns
== NULL
) {
2018 qla_printk(KERN_WARNING
, ha
,
2019 "Memory Allocation failed - ct_sns\n");
2021 qla2x00_mem_free(ha
);
2026 memset(ha
->ct_sns
, 0, sizeof(struct ct_sns_pkt
));
2028 if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2030 * Get consistent memory allocated for SFP
2033 ha
->sfp_data
= dma_pool_alloc(ha
->s_dma_pool
,
2034 GFP_KERNEL
, &ha
->sfp_data_dma
);
2035 if (ha
->sfp_data
== NULL
) {
2036 qla_printk(KERN_WARNING
, ha
,
2037 "Memory Allocation failed - "
2040 qla2x00_mem_free(ha
);
2045 memset(ha
->sfp_data
, 0, SFP_BLOCK_SIZE
);
2049 /* Done all allocations without any error. */
2052 } while (retry
-- && status
!= 0);
2056 "%s(): **** FAILED ****\n", __func__
);
2064 * Frees all adapter allocated memory.
2067 * ha = adapter block pointer.
2070 qla2x00_mem_free(scsi_qla_host_t
*ha
)
2072 struct list_head
*fcpl
, *fcptemp
;
2077 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__
));
2082 qla2x00_free_sp_pool(ha
);
2086 dma_free_coherent(&ha
->pdev
->dev
,
2087 ntohl(ha
->fw_dump
->eft_size
), ha
->eft
, ha
->eft_dma
);
2092 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct sns_cmd_pkt
),
2093 ha
->sns_cmd
, ha
->sns_cmd_dma
);
2096 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct ct_sns_pkt
),
2097 ha
->ct_sns
, ha
->ct_sns_dma
);
2100 dma_pool_free(ha
->s_dma_pool
, ha
->sfp_data
, ha
->sfp_data_dma
);
2103 dma_pool_free(ha
->s_dma_pool
, ha
->ms_iocb
, ha
->ms_iocb_dma
);
2106 dma_pool_destroy(ha
->s_dma_pool
);
2109 dma_free_coherent(&ha
->pdev
->dev
, ha
->init_cb_size
,
2110 ha
->init_cb
, ha
->init_cb_dma
);
2113 dma_free_coherent(&ha
->pdev
->dev
, GID_LIST_SIZE
, ha
->gid_list
,
2116 if (ha
->response_ring
)
2117 dma_free_coherent(&ha
->pdev
->dev
,
2118 (ha
->response_q_length
+ 1) * sizeof(response_t
),
2119 ha
->response_ring
, ha
->response_dma
);
2121 if (ha
->request_ring
)
2122 dma_free_coherent(&ha
->pdev
->dev
,
2123 (ha
->request_q_length
+ 1) * sizeof(request_t
),
2124 ha
->request_ring
, ha
->request_dma
);
2129 ha
->sns_cmd_dma
= 0;
2133 ha
->ms_iocb_dma
= 0;
2135 ha
->init_cb_dma
= 0;
2137 ha
->s_dma_pool
= NULL
;
2139 ha
->gid_list
= NULL
;
2140 ha
->gid_list_dma
= 0;
2142 ha
->response_ring
= NULL
;
2143 ha
->response_dma
= 0;
2144 ha
->request_ring
= NULL
;
2145 ha
->request_dma
= 0;
2147 list_for_each_safe(fcpl
, fcptemp
, &ha
->fcports
) {
2148 fcport
= list_entry(fcpl
, fc_port_t
, list
);
2151 list_del_init(&fcport
->list
);
2154 INIT_LIST_HEAD(&ha
->fcports
);
2158 ha
->fw_dump_reading
= 0;
2160 vfree(ha
->optrom_buffer
);
2164 * qla2x00_allocate_sp_pool
2165 * This routine is called during initialization to allocate
2166 * memory for local srb_t.
2169 * ha = adapter block pointer.
2175 qla2x00_allocate_sp_pool(scsi_qla_host_t
*ha
)
2180 ha
->srb_mempool
= mempool_create_slab_pool(SRB_MIN_REQ
, srb_cachep
);
2181 if (ha
->srb_mempool
== NULL
) {
2182 qla_printk(KERN_INFO
, ha
, "Unable to allocate SRB mempool.\n");
2183 rval
= QLA_FUNCTION_FAILED
;
2189 * This routine frees all adapter allocated memory.
2193 qla2x00_free_sp_pool( scsi_qla_host_t
*ha
)
2195 if (ha
->srb_mempool
) {
2196 mempool_destroy(ha
->srb_mempool
);
2197 ha
->srb_mempool
= NULL
;
2201 /**************************************************************************
2203 * This kernel thread is a task that is schedule by the interrupt handler
2204 * to perform the background processing for interrupts.
2207 * This task always run in the context of a kernel thread. It
2208 * is kick-off by the driver's detect code and starts up
2209 * up one per adapter. It immediately goes to sleep and waits for
2210 * some fibre event. When either the interrupt handler or
2211 * the timer routine detects a event it will one of the task
2212 * bits then wake us up.
2213 **************************************************************************/
2215 qla2x00_do_dpc(void *data
)
2218 scsi_qla_host_t
*ha
;
2221 uint16_t next_loopid
;
2223 ha
= (scsi_qla_host_t
*)data
;
2225 set_user_nice(current
, -20);
2227 while (!kthread_should_stop()) {
2228 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2230 set_current_state(TASK_INTERRUPTIBLE
);
2232 __set_current_state(TASK_RUNNING
);
2234 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2236 /* Initialization not yet finished. Don't do anything yet. */
2237 if (!ha
->flags
.init_done
)
2240 DEBUG3(printk("scsi(%ld): DPC handler\n", ha
->host_no
));
2244 if (ha
->flags
.mbox_busy
) {
2249 if (test_and_clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
2251 DEBUG(printk("scsi(%ld): dpc: sched "
2252 "qla2x00_abort_isp ha = %p\n",
2254 if (!(test_and_set_bit(ABORT_ISP_ACTIVE
,
2257 if (qla2x00_abort_isp(ha
)) {
2258 /* failed. retry later */
2259 set_bit(ISP_ABORT_NEEDED
,
2262 clear_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
);
2264 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2268 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
))
2269 qla2x00_update_fcports(ha
);
2271 if (test_and_clear_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
)) {
2272 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2274 qla2x00_loop_reset(ha
);
2277 if (test_and_clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) &&
2278 (!(test_and_set_bit(RESET_ACTIVE
, &ha
->dpc_flags
)))) {
2280 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2283 qla2x00_rst_aen(ha
);
2284 clear_bit(RESET_ACTIVE
, &ha
->dpc_flags
);
2287 /* Retry each device up to login retry count */
2288 if ((test_and_clear_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)) &&
2289 !test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) &&
2290 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2292 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2296 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2298 * If the port is not ONLINE then try to login
2299 * to it if we haven't run out of retries.
2301 if (atomic_read(&fcport
->state
) != FCS_ONLINE
&&
2302 fcport
->login_retry
) {
2304 fcport
->login_retry
--;
2305 if (fcport
->flags
& FCF_FABRIC_DEVICE
) {
2308 ha
->isp_ops
.fabric_logout(
2309 ha
, fcport
->loop_id
,
2310 fcport
->d_id
.b
.domain
,
2311 fcport
->d_id
.b
.area
,
2312 fcport
->d_id
.b
.al_pa
);
2313 status
= qla2x00_fabric_login(
2314 ha
, fcport
, &next_loopid
);
2317 qla2x00_local_device_login(
2320 if (status
== QLA_SUCCESS
) {
2321 fcport
->old_loop_id
= fcport
->loop_id
;
2323 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2324 ha
->host_no
, fcport
->loop_id
));
2326 qla2x00_update_fcport(ha
,
2328 } else if (status
== 1) {
2329 set_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
);
2330 /* retry the login again */
2331 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2333 fcport
->login_retry
, fcport
->loop_id
));
2335 fcport
->login_retry
= 0;
2338 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2341 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2345 if ((test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
)) &&
2346 atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
2348 clear_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
);
2349 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2352 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2354 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2358 if (test_and_clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2360 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2363 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE
,
2366 rval
= qla2x00_loop_resync(ha
);
2368 clear_bit(LOOP_RESYNC_ACTIVE
, &ha
->dpc_flags
);
2371 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2375 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED
, &ha
->dpc_flags
)) {
2377 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2380 qla2x00_rescan_fcports(ha
);
2382 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2387 if (!ha
->interrupts_on
)
2388 ha
->isp_ops
.enable_intrs(ha
);
2390 if (test_and_clear_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
))
2391 ha
->isp_ops
.beacon_blink(ha
);
2393 qla2x00_do_dpc_all_vps(ha
);
2396 } /* End of while(1) */
2398 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha
->host_no
));
2401 * Make sure that nobody tries to wake us up again.
2409 qla2xxx_wake_dpc(scsi_qla_host_t
*ha
)
2412 wake_up_process(ha
->dpc_thread
);
2417 * Processes asynchronous reset.
2420 * ha = adapter block pointer.
2423 qla2x00_rst_aen(scsi_qla_host_t
*ha
)
2425 if (ha
->flags
.online
&& !ha
->flags
.reset_active
&&
2426 !atomic_read(&ha
->loop_down_timer
) &&
2427 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
))) {
2429 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
2432 * Issue marker command only when we are going to start
2435 ha
->marker_needed
= 1;
2436 } while (!atomic_read(&ha
->loop_down_timer
) &&
2437 (test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
)));
2442 qla2x00_sp_free_dma(scsi_qla_host_t
*ha
, srb_t
*sp
)
2444 struct scsi_cmnd
*cmd
= sp
->cmd
;
2446 if (sp
->flags
& SRB_DMA_VALID
) {
2447 scsi_dma_unmap(cmd
);
2448 sp
->flags
&= ~SRB_DMA_VALID
;
2454 qla2x00_sp_compl(scsi_qla_host_t
*ha
, srb_t
*sp
)
2456 struct scsi_cmnd
*cmd
= sp
->cmd
;
2458 qla2x00_sp_free_dma(ha
, sp
);
2460 mempool_free(sp
, ha
->srb_mempool
);
2462 cmd
->scsi_done(cmd
);
2465 /**************************************************************************
2471 * Context: Interrupt
2472 ***************************************************************************/
2474 qla2x00_timer(scsi_qla_host_t
*ha
)
2476 unsigned long cpu_flags
= 0;
2482 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2485 * Ports - Port down timer.
2487 * Whenever, a port is in the LOST state we start decrementing its port
2488 * down timer every second until it reaches zero. Once it reaches zero
2489 * the port it marked DEAD.
2492 list_for_each_entry(fcport
, &ha
->fcports
, list
) {
2493 if (fcport
->port_type
!= FCT_TARGET
)
2496 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2498 if (atomic_read(&fcport
->port_down_timer
) == 0)
2501 if (atomic_dec_and_test(&fcport
->port_down_timer
) != 0)
2502 atomic_set(&fcport
->state
, FCS_DEVICE_DEAD
);
2504 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2507 t
, atomic_read(&fcport
->port_down_timer
)));
2510 } /* End of for fcport */
2513 /* Loop down handler. */
2514 if (atomic_read(&ha
->loop_down_timer
) > 0 &&
2515 !(test_bit(ABORT_ISP_ACTIVE
, &ha
->dpc_flags
)) && ha
->flags
.online
) {
2517 if (atomic_read(&ha
->loop_down_timer
) ==
2518 ha
->loop_down_abort_time
) {
2520 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2521 "queues before time expire\n",
2524 if (!IS_QLA2100(ha
) && ha
->link_down_timeout
)
2525 atomic_set(&ha
->loop_state
, LOOP_DEAD
);
2527 /* Schedule an ISP abort to return any tape commands. */
2528 /* NPIV - scan physical port only */
2530 spin_lock_irqsave(&ha
->hardware_lock
,
2533 index
< MAX_OUTSTANDING_COMMANDS
;
2537 sp
= ha
->outstanding_cmds
[index
];
2541 if (!(sfcp
->flags
& FCF_TAPE_PRESENT
))
2544 set_bit(ISP_ABORT_NEEDED
,
2548 spin_unlock_irqrestore(&ha
->hardware_lock
,
2551 set_bit(ABORT_QUEUES_NEEDED
, &ha
->dpc_flags
);
2555 /* if the loop has been down for 4 minutes, reinit adapter */
2556 if (atomic_dec_and_test(&ha
->loop_down_timer
) != 0) {
2557 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2558 "restarting queues.\n",
2561 set_bit(RESTART_QUEUES_NEEDED
, &ha
->dpc_flags
);
2564 if (!(ha
->device_flags
& DFLG_NO_CABLE
)) {
2565 DEBUG(printk("scsi(%ld): Loop down - "
2568 qla_printk(KERN_WARNING
, ha
,
2569 "Loop down - aborting ISP.\n");
2571 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
2574 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2576 atomic_read(&ha
->loop_down_timer
)));
2579 /* Check if beacon LED needs to be blinked */
2580 if (ha
->beacon_blink_led
== 1) {
2581 set_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
);
2585 /* Schedule the DPC routine if needed */
2586 if ((test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
) ||
2587 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
) ||
2588 test_bit(LOOP_RESET_NEEDED
, &ha
->dpc_flags
) ||
2589 test_bit(FCPORT_UPDATE_NEEDED
, &ha
->dpc_flags
) ||
2591 test_bit(LOGIN_RETRY_NEEDED
, &ha
->dpc_flags
) ||
2592 test_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
) ||
2593 test_bit(BEACON_BLINK_NEEDED
, &ha
->dpc_flags
) ||
2594 test_bit(VP_DPC_NEEDED
, &ha
->dpc_flags
) ||
2595 test_bit(RELOGIN_NEEDED
, &ha
->dpc_flags
)))
2596 qla2xxx_wake_dpc(pha
);
2598 qla2x00_restart_timer(ha
, WATCH_INTERVAL
);
2601 /* XXX(hch): crude hack to emulate a down_timeout() */
2603 qla2x00_down_timeout(struct semaphore
*sema
, unsigned long timeout
)
2605 const unsigned int step
= 100; /* msecs */
2606 unsigned int iterations
= jiffies_to_msecs(timeout
)/100;
2609 if (!down_trylock(sema
))
2611 if (msleep_interruptible(step
))
2613 } while (--iterations
> 0);
2618 /* Firmware interface routines. */
2621 #define FW_ISP21XX 0
2622 #define FW_ISP22XX 1
2623 #define FW_ISP2300 2
2624 #define FW_ISP2322 3
2625 #define FW_ISP24XX 4
2627 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2628 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2629 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2630 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2631 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2633 static DECLARE_MUTEX(qla_fw_lock
);
2635 static struct fw_blob qla_fw_blobs
[FW_BLOBS
] = {
2636 { .name
= FW_FILE_ISP21XX
, .segs
= { 0x1000, 0 }, },
2637 { .name
= FW_FILE_ISP22XX
, .segs
= { 0x1000, 0 }, },
2638 { .name
= FW_FILE_ISP2300
, .segs
= { 0x800, 0 }, },
2639 { .name
= FW_FILE_ISP2322
, .segs
= { 0x800, 0x1c000, 0x1e000, 0 }, },
2640 { .name
= FW_FILE_ISP24XX
, },
2644 qla2x00_request_firmware(scsi_qla_host_t
*ha
)
2646 struct fw_blob
*blob
;
2649 if (IS_QLA2100(ha
)) {
2650 blob
= &qla_fw_blobs
[FW_ISP21XX
];
2651 } else if (IS_QLA2200(ha
)) {
2652 blob
= &qla_fw_blobs
[FW_ISP22XX
];
2653 } else if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
2654 blob
= &qla_fw_blobs
[FW_ISP2300
];
2655 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
)) {
2656 blob
= &qla_fw_blobs
[FW_ISP2322
];
2657 } else if (IS_QLA24XX(ha
) || IS_QLA54XX(ha
)) {
2658 blob
= &qla_fw_blobs
[FW_ISP24XX
];
2665 if (request_firmware(&blob
->fw
, blob
->name
, &ha
->pdev
->dev
)) {
2666 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2667 "(%s).\n", ha
->host_no
, blob
->name
));
2679 qla2x00_release_firmware(void)
2684 for (idx
= 0; idx
< FW_BLOBS
; idx
++)
2685 if (qla_fw_blobs
[idx
].fw
)
2686 release_firmware(qla_fw_blobs
[idx
].fw
);
2690 static struct pci_device_id qla2xxx_pci_tbl
[] = {
2691 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2100
) },
2692 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2200
) },
2693 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2300
) },
2694 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2312
) },
2695 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2322
) },
2696 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6312
) },
2697 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP6322
) },
2698 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2422
) },
2699 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP2432
) },
2700 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5422
) },
2701 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC
, PCI_DEVICE_ID_QLOGIC_ISP5432
) },
2704 MODULE_DEVICE_TABLE(pci
, qla2xxx_pci_tbl
);
2706 static struct pci_driver qla2xxx_pci_driver
= {
2707 .name
= QLA2XXX_DRIVER_NAME
,
2709 .owner
= THIS_MODULE
,
2711 .id_table
= qla2xxx_pci_tbl
,
2712 .probe
= qla2x00_probe_one
,
2713 .remove
= __devexit_p(qla2x00_remove_one
),
2717 * qla2x00_module_init - Module initialization.
2720 qla2x00_module_init(void)
2724 /* Allocate cache for SRBs. */
2725 srb_cachep
= kmem_cache_create("qla2xxx_srbs", sizeof(srb_t
), 0,
2726 SLAB_HWCACHE_ALIGN
, NULL
, NULL
);
2727 if (srb_cachep
== NULL
) {
2729 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2733 /* Derive version string. */
2734 strcpy(qla2x00_version_str
, QLA2XXX_VERSION
);
2735 if (ql2xextended_error_logging
)
2736 strcat(qla2x00_version_str
, "-debug");
2738 qla2xxx_transport_template
=
2739 fc_attach_transport(&qla2xxx_transport_functions
);
2740 if (!qla2xxx_transport_template
) {
2741 kmem_cache_destroy(srb_cachep
);
2744 qla2xxx_transport_vport_template
=
2745 fc_attach_transport(&qla2xxx_transport_vport_functions
);
2746 if (!qla2xxx_transport_vport_template
) {
2747 kmem_cache_destroy(srb_cachep
);
2748 fc_release_transport(qla2xxx_transport_template
);
2752 printk(KERN_INFO
"QLogic Fibre Channel HBA Driver\n");
2753 ret
= pci_register_driver(&qla2xxx_pci_driver
);
2755 kmem_cache_destroy(srb_cachep
);
2756 fc_release_transport(qla2xxx_transport_template
);
2757 fc_release_transport(qla2xxx_transport_vport_template
);
2763 * qla2x00_module_exit - Module cleanup.
2766 qla2x00_module_exit(void)
2768 pci_unregister_driver(&qla2xxx_pci_driver
);
2769 qla2x00_release_firmware();
2770 kmem_cache_destroy(srb_cachep
);
2771 fc_release_transport(qla2xxx_transport_template
);
2772 fc_release_transport(qla2xxx_transport_vport_template
);
2775 module_init(qla2x00_module_init
);
2776 module_exit(qla2x00_module_exit
);
2778 MODULE_AUTHOR("QLogic Corporation");
2779 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2780 MODULE_LICENSE("GPL");
2781 MODULE_VERSION(QLA2XXX_VERSION
);
2782 MODULE_FIRMWARE(FW_FILE_ISP21XX
);
2783 MODULE_FIRMWARE(FW_FILE_ISP22XX
);
2784 MODULE_FIRMWARE(FW_FILE_ISP2300
);
2785 MODULE_FIRMWARE(FW_FILE_ISP2322
);
2786 MODULE_FIRMWARE(FW_FILE_ISP24XX
);