2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str[40];
25 * SRB allocation cache
27 static kmem_cache_t *srb_cachep;
30 * Ioctl related information.
34 int ql2xlogintimeout = 20;
35 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
36 MODULE_PARM_DESC(ql2xlogintimeout,
37 "Login timeout value in seconds.");
39 int qlport_down_retry = 30;
40 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(qlport_down_retry,
42 "Maximum number of command retries to a port that returns "
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice;
46 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches. "
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount = 0;
53 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xloginretrycount,
55 "Specify an alternate value for the NVRAM login retry count.");
57 int ql2xallocfwdump = 1;
58 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
59 MODULE_PARM_DESC(ql2xallocfwdump,
60 "Option to enable allocation of memory for a firmware dump "
61 "during HBA initialization. Memory allocation requirements "
62 "vary by ISP type. Default is 1 - allocate memory.");
64 int ql2xextended_error_logging;
65 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IRUSR);
66 MODULE_PARM_DESC(ql2xextended_error_logging,
67 "Option to enable extended error logging, "
68 "Default is 0 - no logging. 1 - log errors.");
70 static void qla2x00_free_device(scsi_qla_host_t *);
72 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
75 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
76 MODULE_PARM_DESC(ql2xfdmienable,
77 "Enables FDMI registratons "
78 "Default is 0 - no FDMI. 1 - perfom FDMI.");
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,
102 .name = QLA2XXX_DRIVER_NAME,
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,
131 .name = QLA2XXX_DRIVER_NAME,
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);
347 CMD_SP(cmd) = (void *)sp;
348 cmd->scsi_done = done;
354 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
356 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
357 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
358 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
362 rval = fc_remote_port_chkready(rport);
365 goto qc_fail_command;
368 /* Close window on fcport/rport state-transitioning. */
369 if (!*(fc_port_t **)rport->dd_data) {
370 cmd->result = DID_IMM_RETRY << 16;
371 goto qc_fail_command;
374 if (atomic_read(&fcport->state) != FCS_ONLINE) {
375 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
376 atomic_read(&ha->loop_state) == LOOP_DEAD) {
377 cmd->result = DID_NO_CONNECT << 16;
378 goto qc_fail_command;
383 spin_unlock_irq(ha->host->host_lock);
385 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
387 goto qc_host_busy_lock;
389 rval = qla2x00_start_scsi(sp);
390 if (rval != QLA_SUCCESS)
391 goto qc_host_busy_free_sp;
393 spin_lock_irq(ha->host->host_lock);
397 qc_host_busy_free_sp:
398 qla2x00_sp_free_dma(ha, sp);
399 mempool_free(sp, ha->srb_mempool);
402 spin_lock_irq(ha->host->host_lock);
405 return SCSI_MLQUEUE_HOST_BUSY;
415 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
417 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
418 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
419 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
423 rval = fc_remote_port_chkready(rport);
426 goto qc24_fail_command;
429 /* Close window on fcport/rport state-transitioning. */
430 if (!*(fc_port_t **)rport->dd_data) {
431 cmd->result = DID_IMM_RETRY << 16;
432 goto qc24_fail_command;
435 if (atomic_read(&fcport->state) != FCS_ONLINE) {
436 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
437 atomic_read(&ha->loop_state) == LOOP_DEAD) {
438 cmd->result = DID_NO_CONNECT << 16;
439 goto qc24_fail_command;
444 spin_unlock_irq(ha->host->host_lock);
446 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
448 goto qc24_host_busy_lock;
450 rval = qla24xx_start_scsi(sp);
451 if (rval != QLA_SUCCESS)
452 goto qc24_host_busy_free_sp;
454 spin_lock_irq(ha->host->host_lock);
458 qc24_host_busy_free_sp:
459 qla2x00_sp_free_dma(ha, sp);
460 mempool_free(sp, ha->srb_mempool);
463 spin_lock_irq(ha->host->host_lock);
466 return SCSI_MLQUEUE_HOST_BUSY;
476 * qla2x00_eh_wait_on_command
477 * Waits for the command to be returned by the Firmware for some
481 * ha = actual ha whose done queue will contain the command
482 * returned by firmware.
483 * cmd = Scsi Command to wait on.
484 * flag = Abort/Reset(Bus or Device Reset)
491 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
493 #define ABORT_POLLING_PERIOD 1000
494 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
495 unsigned long wait_iter = ABORT_WAIT_ITER;
496 int ret = QLA_SUCCESS;
498 while (CMD_SP(cmd)) {
499 msleep(ABORT_POLLING_PERIOD);
505 ret = QLA_FUNCTION_FAILED;
511 * qla2x00_wait_for_hba_online
512 * Wait till the HBA is online after going through
513 * <= MAX_RETRIES_OF_ISP_ABORT or
514 * finally HBA is disabled ie marked offline
517 * ha - pointer to host adapter structure
520 * Does context switching-Release SPIN_LOCK
521 * (if any) before calling this routine.
524 * Success (Adapter is online) : 0
525 * Failed (Adapter is offline/disabled) : 1
528 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
531 unsigned long wait_online;
533 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
534 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
535 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
536 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
537 ha->dpc_active) && time_before(jiffies, wait_online)) {
541 if (ha->flags.online)
542 return_status = QLA_SUCCESS;
544 return_status = QLA_FUNCTION_FAILED;
546 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
548 return (return_status);
552 * qla2x00_wait_for_loop_ready
553 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
554 * to be in LOOP_READY state.
556 * ha - pointer to host adapter structure
559 * Does context switching-Release SPIN_LOCK
560 * (if any) before calling this routine.
564 * Success (LOOP_READY) : 0
565 * Failed (LOOP_NOT_READY) : 1
568 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
570 int return_status = QLA_SUCCESS;
571 unsigned long loop_timeout ;
573 /* wait for 5 min at the max for loop to be ready */
574 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
576 while ((!atomic_read(&ha->loop_down_timer) &&
577 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
578 atomic_read(&ha->loop_state) != LOOP_READY) {
579 if (atomic_read(&ha->loop_state) == LOOP_DEAD) {
580 return_status = QLA_FUNCTION_FAILED;
584 if (time_after_eq(jiffies, loop_timeout)) {
585 return_status = QLA_FUNCTION_FAILED;
589 return (return_status);
593 qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
595 struct Scsi_Host *shost = cmnd->device->host;
596 struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
599 spin_lock_irqsave(shost->host_lock, flags);
600 while (rport->port_state == FC_PORTSTATE_BLOCKED) {
601 spin_unlock_irqrestore(shost->host_lock, flags);
603 spin_lock_irqsave(shost->host_lock, flags);
605 spin_unlock_irqrestore(shost->host_lock, flags);
609 /**************************************************************************
613 * The abort function will abort the specified command.
616 * cmd = Linux SCSI command packet to be aborted.
619 * Either SUCCESS or FAILED.
622 * Only return FAILED if command not returned by firmware.
623 **************************************************************************/
625 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
627 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
630 unsigned int id, lun;
631 unsigned long serial;
635 qla2x00_block_error_handler(cmd);
642 id = cmd->device->id;
643 lun = cmd->device->lun;
644 serial = cmd->serial_number;
646 /* Check active list for command command. */
647 spin_lock_irqsave(&ha->hardware_lock, flags);
648 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
649 sp = ha->outstanding_cmds[i];
657 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
658 __func__, ha->host_no, sp, serial));
659 DEBUG3(qla2x00_print_scsi_cmd(cmd));
661 spin_unlock_irqrestore(&ha->hardware_lock, flags);
662 if (ha->isp_ops.abort_command(ha, sp)) {
663 DEBUG2(printk("%s(%ld): abort_command "
664 "mbx failed.\n", __func__, ha->host_no));
666 DEBUG3(printk("%s(%ld): abort_command "
667 "mbx success.\n", __func__, ha->host_no));
670 spin_lock_irqsave(&ha->hardware_lock, flags);
674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
676 /* Wait for the command to be returned. */
678 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
679 qla_printk(KERN_ERR, ha,
680 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
681 "%x.\n", ha->host_no, id, lun, serial, ret);
686 qla_printk(KERN_INFO, ha,
687 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
688 ha->host_no, id, lun, wait, serial, ret);
693 /**************************************************************************
694 * qla2x00_eh_wait_for_pending_target_commands
697 * Waits for all the commands to come back from the specified target.
700 * ha - pointer to scsi_qla_host structure.
703 * Either SUCCESS or FAILED.
706 **************************************************************************/
708 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
713 struct scsi_cmnd *cmd;
719 * Waiting for all commands for the designated target in the active
722 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
723 spin_lock_irqsave(&ha->hardware_lock, flags);
724 sp = ha->outstanding_cmds[cnt];
727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
728 if (cmd->device->id == t) {
729 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
735 spin_unlock_irqrestore(&ha->hardware_lock, flags);
742 /**************************************************************************
743 * qla2xxx_eh_device_reset
746 * The device reset function will reset the target and abort any
747 * executing commands.
749 * NOTE: The use of SP is undefined within this context. Do *NOT*
750 * attempt to use this value, even if you determine it is
754 * cmd = Linux SCSI command packet of the command that cause the
758 * SUCCESS/FAILURE (defined as macro in scsi.h).
760 **************************************************************************/
762 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
764 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
765 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
767 unsigned int id, lun;
768 unsigned long serial;
770 qla2x00_block_error_handler(cmd);
774 id = cmd->device->id;
775 lun = cmd->device->lun;
776 serial = cmd->serial_number;
781 qla_printk(KERN_INFO, ha,
782 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
784 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
785 goto eh_dev_reset_done;
787 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
788 if (qla2x00_device_reset(ha, fcport) == 0)
791 #if defined(LOGOUT_AFTER_DEVICE_RESET)
792 if (ret == SUCCESS) {
793 if (fcport->flags & FC_FABRIC_DEVICE) {
794 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
795 qla2x00_mark_device_lost(ha, fcport, 0, 0);
800 DEBUG2(printk(KERN_INFO
801 "%s failed: loop not ready\n",__func__));
805 DEBUG3(printk("%s(%ld): device reset failed\n",
806 __func__, ha->host_no));
807 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
810 goto eh_dev_reset_done;
813 /* Flush outstanding commands. */
814 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
817 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
818 __func__, ha->host_no));
819 qla_printk(KERN_INFO, ha,
820 "%s: failed while waiting for commands\n", __func__);
822 qla_printk(KERN_INFO, ha,
823 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
829 /**************************************************************************
830 * qla2x00_eh_wait_for_pending_commands
833 * Waits for all the commands to come back from the specified host.
836 * ha - pointer to scsi_qla_host structure.
843 **************************************************************************/
845 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
850 struct scsi_cmnd *cmd;
856 * Waiting for all commands for the designated target in the active
859 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
860 spin_lock_irqsave(&ha->hardware_lock, flags);
861 sp = ha->outstanding_cmds[cnt];
864 spin_unlock_irqrestore(&ha->hardware_lock, flags);
865 status = qla2x00_eh_wait_on_command(ha, cmd);
870 spin_unlock_irqrestore(&ha->hardware_lock, flags);
877 /**************************************************************************
878 * qla2xxx_eh_bus_reset
881 * The bus reset function will reset the bus and abort any executing
885 * cmd = Linux SCSI command packet of the command that cause the
889 * SUCCESS/FAILURE (defined as macro in scsi.h).
891 **************************************************************************/
893 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
895 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
896 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
898 unsigned int id, lun;
899 unsigned long serial;
901 qla2x00_block_error_handler(cmd);
905 id = cmd->device->id;
906 lun = cmd->device->lun;
907 serial = cmd->serial_number;
912 qla_printk(KERN_INFO, ha,
913 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
915 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
916 DEBUG2(printk("%s failed:board disabled\n",__func__));
917 goto eh_bus_reset_done;
920 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
921 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
925 goto eh_bus_reset_done;
927 /* Flush outstanding commands. */
928 if (!qla2x00_eh_wait_for_pending_commands(ha))
932 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
933 (ret == FAILED) ? "failed" : "succeded");
938 /**************************************************************************
939 * qla2xxx_eh_host_reset
942 * The reset function will reset the Adapter.
945 * cmd = Linux SCSI command packet of the command that cause the
949 * Either SUCCESS or FAILED.
952 **************************************************************************/
954 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
956 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
959 unsigned int id, lun;
960 unsigned long serial;
962 qla2x00_block_error_handler(cmd);
966 id = cmd->device->id;
967 lun = cmd->device->lun;
968 serial = cmd->serial_number;
973 qla_printk(KERN_INFO, ha,
974 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
976 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
977 goto eh_host_reset_lock;
980 * Fixme-may be dpc thread is active and processing
981 * loop_resync,so wait a while for it to
982 * be completed and then issue big hammer.Otherwise
983 * it may cause I/O failure as big hammer marks the
984 * devices as lost kicking of the port_down_timer
985 * while dpc is stuck for the mailbox to complete.
987 qla2x00_wait_for_loop_ready(ha);
988 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
989 if (qla2x00_abort_isp(ha)) {
990 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
991 /* failed. schedule dpc to try */
992 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
994 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
995 goto eh_host_reset_lock;
997 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
999 /* Waiting for our command in done_queue to be returned to OS.*/
1000 if (qla2x00_eh_wait_for_pending_commands(ha))
1004 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1005 (ret == FAILED) ? "failed" : "succeded");
1011 * qla2x00_loop_reset
1015 * ha = adapter block pointer.
1021 qla2x00_loop_reset(scsi_qla_host_t *ha)
1023 int status = QLA_SUCCESS;
1024 struct fc_port *fcport;
1026 if (ha->flags.enable_lip_reset) {
1027 status = qla2x00_lip_reset(ha);
1030 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
1031 list_for_each_entry(fcport, &ha->fcports, list) {
1032 if (fcport->port_type != FCT_TARGET)
1035 status = qla2x00_device_reset(ha, fcport);
1036 if (status != QLA_SUCCESS)
1041 if (status == QLA_SUCCESS &&
1042 ((!ha->flags.enable_target_reset &&
1043 !ha->flags.enable_lip_reset) ||
1044 ha->flags.enable_lip_full_login)) {
1046 status = qla2x00_full_login_lip(ha);
1049 /* Issue marker command only when we are going to start the I/O */
1050 ha->marker_needed = 1;
1054 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1059 DEBUG3(printk("%s(%ld): exiting normally.\n",
1068 * qla2x00_device_reset
1069 * Issue bus device reset message to the target.
1072 * ha = adapter block pointer.
1074 * TARGET_QUEUE_LOCK must be released.
1075 * ADAPTER_STATE_LOCK must be released.
1081 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1083 /* Abort Target command will clear Reservation */
1084 return ha->isp_ops.abort_target(reset_fcport);
1088 qla2xxx_slave_alloc(struct scsi_device *sdev)
1090 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1092 if (!rport || fc_remote_port_chkready(rport))
1095 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1101 qla2xxx_slave_configure(struct scsi_device *sdev)
1103 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1104 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1106 if (sdev->tagged_supported)
1107 scsi_activate_tcq(sdev, 32);
1109 scsi_deactivate_tcq(sdev, 32);
1111 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1117 qla2xxx_slave_destroy(struct scsi_device *sdev)
1119 sdev->hostdata = NULL;
1123 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1125 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1126 return sdev->queue_depth;
1130 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1132 if (sdev->tagged_supported) {
1133 scsi_set_tag_type(sdev, tag_type);
1135 scsi_activate_tcq(sdev, sdev->queue_depth);
1137 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1145 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1148 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1149 * supported addressing method.
1152 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1154 /* Assume a 32bit DMA mask. */
1155 ha->flags.enable_64bit_addressing = 0;
1157 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1158 /* Any upper-dword bits set? */
1159 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1160 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1161 /* Ok, a 64bit DMA mask is applicable. */
1162 ha->flags.enable_64bit_addressing = 1;
1163 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1164 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1169 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1170 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1174 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1176 ha->device_type = DT_EXTENDED_IDS;
1177 switch (ha->pdev->device) {
1178 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1179 ha->device_type |= DT_ISP2100;
1180 ha->device_type &= ~DT_EXTENDED_IDS;
1181 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1183 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1184 ha->device_type |= DT_ISP2200;
1185 ha->device_type &= ~DT_EXTENDED_IDS;
1186 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1188 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1189 ha->device_type |= DT_ISP2300;
1190 ha->device_type |= DT_ZIO_SUPPORTED;
1191 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1193 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1194 ha->device_type |= DT_ISP2312;
1195 ha->device_type |= DT_ZIO_SUPPORTED;
1196 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1198 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1199 ha->device_type |= DT_ISP2322;
1200 ha->device_type |= DT_ZIO_SUPPORTED;
1201 if (ha->pdev->subsystem_vendor == 0x1028 &&
1202 ha->pdev->subsystem_device == 0x0170)
1203 ha->device_type |= DT_OEM_001;
1204 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1206 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1207 ha->device_type |= DT_ISP6312;
1208 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1210 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1211 ha->device_type |= DT_ISP6322;
1212 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1214 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1215 ha->device_type |= DT_ISP2422;
1216 ha->device_type |= DT_ZIO_SUPPORTED;
1217 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1219 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1220 ha->device_type |= DT_ISP2432;
1221 ha->device_type |= DT_ZIO_SUPPORTED;
1222 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1224 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1225 ha->device_type |= DT_ISP5422;
1226 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1228 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1229 ha->device_type |= DT_ISP5432;
1230 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1236 qla2x00_iospace_config(scsi_qla_host_t *ha)
1238 unsigned long pio, pio_len, pio_flags;
1239 unsigned long mmio, mmio_len, mmio_flags;
1241 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1242 pio = pci_resource_start(ha->pdev, 0);
1243 pio_len = pci_resource_len(ha->pdev, 0);
1244 pio_flags = pci_resource_flags(ha->pdev, 0);
1245 if (pio_flags & IORESOURCE_IO) {
1246 if (pio_len < MIN_IOBASE_LEN) {
1247 qla_printk(KERN_WARNING, ha,
1248 "Invalid PCI I/O region size (%s)...\n",
1249 pci_name(ha->pdev));
1253 qla_printk(KERN_WARNING, ha,
1254 "region #0 not a PIO resource (%s)...\n",
1255 pci_name(ha->pdev));
1259 /* Use MMIO operations for all accesses. */
1260 mmio = pci_resource_start(ha->pdev, 1);
1261 mmio_len = pci_resource_len(ha->pdev, 1);
1262 mmio_flags = pci_resource_flags(ha->pdev, 1);
1264 if (!(mmio_flags & IORESOURCE_MEM)) {
1265 qla_printk(KERN_ERR, ha,
1266 "region #0 not an MMIO resource (%s), aborting\n",
1267 pci_name(ha->pdev));
1268 goto iospace_error_exit;
1270 if (mmio_len < MIN_IOBASE_LEN) {
1271 qla_printk(KERN_ERR, ha,
1272 "Invalid PCI mem region size (%s), aborting\n",
1273 pci_name(ha->pdev));
1274 goto iospace_error_exit;
1277 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1278 qla_printk(KERN_WARNING, ha,
1279 "Failed to reserve PIO/MMIO regions (%s)\n",
1280 pci_name(ha->pdev));
1282 goto iospace_error_exit;
1285 ha->pio_address = pio;
1286 ha->pio_length = pio_len;
1287 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1289 qla_printk(KERN_ERR, ha,
1290 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1292 goto iospace_error_exit;
1302 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1304 unsigned long flags = 0;
1305 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1307 spin_lock_irqsave(&ha->hardware_lock, flags);
1308 ha->interrupts_on = 1;
1309 /* enable risc and host interrupts */
1310 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1311 RD_REG_WORD(®->ictrl);
1312 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1317 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1319 unsigned long flags = 0;
1320 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1322 spin_lock_irqsave(&ha->hardware_lock, flags);
1323 ha->interrupts_on = 0;
1324 /* disable risc and host interrupts */
1325 WRT_REG_WORD(®->ictrl, 0);
1326 RD_REG_WORD(®->ictrl);
1327 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1331 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1333 unsigned long flags = 0;
1334 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1336 spin_lock_irqsave(&ha->hardware_lock, flags);
1337 ha->interrupts_on = 1;
1338 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1339 RD_REG_DWORD(®->ictrl);
1340 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1344 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1346 unsigned long flags = 0;
1347 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1349 spin_lock_irqsave(&ha->hardware_lock, flags);
1350 ha->interrupts_on = 0;
1351 WRT_REG_DWORD(®->ictrl, 0);
1352 RD_REG_DWORD(®->ictrl);
1353 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1357 * PCI driver interface
1359 static int __devinit
1360 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1363 device_reg_t __iomem *reg;
1364 struct Scsi_Host *host;
1365 scsi_qla_host_t *ha;
1366 unsigned long flags = 0;
1367 unsigned long wait_switch = 0;
1371 struct scsi_host_template *sht;
1373 if (pci_enable_device(pdev))
1376 sht = &qla2x00_driver_template;
1377 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1378 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1379 sht = &qla24xx_driver_template;
1380 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1383 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1384 goto probe_disable_device;
1387 /* Clear our data area */
1388 ha = (scsi_qla_host_t *)host->hostdata;
1389 memset(ha, 0, sizeof(scsi_qla_host_t));
1393 ha->host_no = host->host_no;
1394 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1396 /* Set ISP-type information. */
1397 qla2x00_set_isp_flags(ha);
1399 /* Configure PCI I/O space */
1400 ret = qla2x00_iospace_config(ha);
1404 qla_printk(KERN_INFO, ha,
1405 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1408 spin_lock_init(&ha->hardware_lock);
1410 ha->prev_topology = 0;
1411 ha->init_cb_size = sizeof(init_cb_t);
1412 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1413 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1414 ha->optrom_size = OPTROM_SIZE_2300;
1416 /* Assign ISP specific operations. */
1417 ha->isp_ops.pci_config = qla2100_pci_config;
1418 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1419 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1420 ha->isp_ops.config_rings = qla2x00_config_rings;
1421 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1422 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1423 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1424 ha->isp_ops.load_risc = qla2x00_load_risc;
1425 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1426 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1427 ha->isp_ops.intr_handler = qla2100_intr_handler;
1428 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1429 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1430 ha->isp_ops.abort_command = qla2x00_abort_command;
1431 ha->isp_ops.abort_target = qla2x00_abort_target;
1432 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1433 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1434 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1435 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1436 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1437 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1438 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1439 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1440 ha->isp_ops.fw_dump = qla2100_fw_dump;
1441 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1442 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1443 if (IS_QLA2100(ha)) {
1444 host->max_id = MAX_TARGETS_2100;
1445 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1446 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1447 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1448 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1449 host->sg_tablesize = 32;
1450 ha->gid_list_info_size = 4;
1451 } else if (IS_QLA2200(ha)) {
1452 host->max_id = MAX_TARGETS_2200;
1453 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1454 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1455 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1456 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1457 ha->gid_list_info_size = 4;
1458 } else if (IS_QLA23XX(ha)) {
1459 host->max_id = MAX_TARGETS_2200;
1460 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1461 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1462 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1463 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1464 ha->isp_ops.pci_config = qla2300_pci_config;
1465 ha->isp_ops.intr_handler = qla2300_intr_handler;
1466 ha->isp_ops.fw_dump = qla2300_fw_dump;
1467 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1468 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1469 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
1470 ha->gid_list_info_size = 6;
1471 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1472 ha->optrom_size = OPTROM_SIZE_2322;
1473 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1474 host->max_id = MAX_TARGETS_2200;
1475 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1476 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1477 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1478 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1479 ha->init_cb_size = sizeof(struct init_cb_24xx);
1480 ha->mgmt_svr_loop_id = 10;
1481 ha->isp_ops.pci_config = qla24xx_pci_config;
1482 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1483 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1484 ha->isp_ops.config_rings = qla24xx_config_rings;
1485 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1486 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1487 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1488 ha->isp_ops.load_risc = qla24xx_load_risc;
1489 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1490 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1491 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1492 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1493 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1494 ha->isp_ops.abort_command = qla24xx_abort_command;
1495 ha->isp_ops.abort_target = qla24xx_abort_target;
1496 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1497 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1498 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1499 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1500 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1501 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1502 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1503 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1504 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
1505 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1506 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1507 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
1508 ha->gid_list_info_size = 8;
1509 ha->optrom_size = OPTROM_SIZE_24XX;
1511 host->can_queue = ha->request_q_length + 128;
1513 /* load the F/W, read paramaters, and init the H/W */
1514 ha->instance = num_hosts;
1516 init_MUTEX(&ha->mbx_cmd_sem);
1517 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1519 INIT_LIST_HEAD(&ha->list);
1520 INIT_LIST_HEAD(&ha->fcports);
1523 * These locks are used to prevent more than one CPU
1524 * from modifying the queue at the same time. The
1525 * higher level "host_lock" will reduce most
1526 * contention for these locks.
1528 spin_lock_init(&ha->mbx_reg_lock);
1530 qla2x00_config_dma_addressing(ha);
1531 if (qla2x00_mem_alloc(ha)) {
1532 qla_printk(KERN_WARNING, ha,
1533 "[ERROR] Failed to allocate memory for adapter\n");
1539 if (qla2x00_initialize_adapter(ha) &&
1540 !(ha->device_flags & DFLG_NO_CABLE)) {
1542 qla_printk(KERN_WARNING, ha,
1543 "Failed to initialize adapter\n");
1545 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1546 "Adapter flags %x.\n",
1547 ha->host_no, ha->device_flags));
1554 * Startup the kernel thread for this host adapter
1556 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1557 "%s_dpc", ha->host_str);
1558 if (IS_ERR(ha->dpc_thread)) {
1559 qla_printk(KERN_WARNING, ha,
1560 "Unable to start DPC thread!\n");
1561 ret = PTR_ERR(ha->dpc_thread);
1565 host->this_id = 255;
1566 host->cmd_per_lun = 3;
1567 host->unique_id = ha->instance;
1568 host->max_cmd_len = MAX_CMDSZ;
1569 host->max_channel = MAX_BUSES - 1;
1570 host->max_lun = MAX_LUNS;
1571 host->transportt = qla2xxx_transport_template;
1573 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1574 IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
1576 qla_printk(KERN_WARNING, ha,
1577 "Failed to reserve interrupt %d already in use.\n",
1581 host->irq = pdev->irq;
1583 /* Initialized the timer */
1584 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1586 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1589 ha->isp_ops.disable_intrs(ha);
1591 spin_lock_irqsave(&ha->hardware_lock, flags);
1593 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1594 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
1595 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
1597 WRT_REG_WORD(®->isp.semaphore, 0);
1598 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
1599 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
1601 /* Enable proper parity */
1602 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1605 WRT_REG_WORD(®->isp.hccr,
1606 (HCCR_ENABLE_PARITY + 0x1));
1608 /* SRAM, Instruction RAM and GP RAM parity */
1609 WRT_REG_WORD(®->isp.hccr,
1610 (HCCR_ENABLE_PARITY + 0x7));
1613 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1615 ha->isp_ops.enable_intrs(ha);
1619 * Wait around max loop_reset_delay secs for the devices to come
1620 * on-line. We don't want Linux scanning before we are ready.
1623 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1624 time_before(jiffies,wait_switch) &&
1625 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1626 && (ha->device_flags & SWITCH_FOUND) ;) {
1628 qla2x00_check_fabric_devices(ha);
1633 pci_set_drvdata(pdev, ha);
1634 ha->flags.init_done = 1;
1637 ret = scsi_add_host(host, &pdev->dev);
1641 qla2x00_alloc_sysfs_attr(ha);
1643 qla2x00_init_host_attr(ha);
1645 qla_printk(KERN_INFO, ha, "\n"
1646 " QLogic Fibre Channel HBA Driver: %s\n"
1648 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1649 qla2x00_version_str, ha->model_number,
1650 ha->model_desc ? ha->model_desc: "", pdev->device,
1651 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1652 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1653 ha->isp_ops.fw_version_str(ha, fw_str));
1655 /* Go with fc_rport registration. */
1656 list_for_each_entry(fcport, &ha->fcports, list)
1657 qla2x00_reg_remote_port(ha, fcport);
1662 qla2x00_free_device(ha);
1664 scsi_host_put(host);
1666 probe_disable_device:
1667 pci_disable_device(pdev);
1673 static void __devexit
1674 qla2x00_remove_one(struct pci_dev *pdev)
1676 scsi_qla_host_t *ha;
1678 ha = pci_get_drvdata(pdev);
1680 qla2x00_free_sysfs_attr(ha);
1682 fc_remove_host(ha->host);
1684 scsi_remove_host(ha->host);
1686 qla2x00_free_device(ha);
1688 scsi_host_put(ha->host);
1690 pci_set_drvdata(pdev, NULL);
1694 qla2x00_free_device(scsi_qla_host_t *ha)
1697 if (ha->timer_active)
1698 qla2x00_stop_timer(ha);
1700 /* Kill the kernel thread for this host */
1701 if (ha->dpc_thread) {
1702 struct task_struct *t = ha->dpc_thread;
1705 * qla2xxx_wake_dpc checks for ->dpc_thread
1706 * so we need to zero it out.
1708 ha->dpc_thread = NULL;
1713 qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
1715 /* Stop currently executing firmware. */
1716 qla2x00_stop_firmware(ha);
1718 /* turn-off interrupts on the card */
1719 if (ha->interrupts_on)
1720 ha->isp_ops.disable_intrs(ha);
1722 qla2x00_mem_free(ha);
1724 ha->flags.online = 0;
1726 /* Detach interrupts */
1728 free_irq(ha->host->irq, ha);
1730 /* release io space registers */
1732 iounmap(ha->iobase);
1733 pci_release_regions(ha->pdev);
1735 pci_disable_device(ha->pdev);
1739 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1742 unsigned long flags;
1743 struct fc_rport *rport;
1748 rport = fcport->rport;
1750 spin_lock_irqsave(&fcport->rport_lock, flags);
1751 fcport->drport = rport;
1752 fcport->rport = NULL;
1753 *(fc_port_t **)rport->dd_data = NULL;
1754 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1755 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1757 spin_lock_irqsave(&fcport->rport_lock, flags);
1758 fcport->rport = NULL;
1759 *(fc_port_t **)rport->dd_data = NULL;
1760 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1761 fc_remote_port_delete(rport);
1766 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1768 * Input: ha = adapter block pointer. fcport = port structure pointer.
1774 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1775 int do_login, int defer)
1777 if (atomic_read(&fcport->state) == FCS_ONLINE)
1778 qla2x00_schedule_rport_del(ha, fcport, defer);
1781 * We may need to retry the login, so don't change the state of the
1782 * port but do the retries.
1784 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1785 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1790 if (fcport->login_retry == 0) {
1791 fcport->login_retry = ha->login_retry_count;
1792 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1794 DEBUG(printk("scsi(%ld): Port login retry: "
1795 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1796 "id = 0x%04x retry cnt=%d\n",
1798 fcport->port_name[0],
1799 fcport->port_name[1],
1800 fcport->port_name[2],
1801 fcport->port_name[3],
1802 fcport->port_name[4],
1803 fcport->port_name[5],
1804 fcport->port_name[6],
1805 fcport->port_name[7],
1807 fcport->login_retry));
1812 * qla2x00_mark_all_devices_lost
1813 * Updates fcport state when device goes offline.
1816 * ha = adapter block pointer.
1817 * fcport = port structure pointer.
1825 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1829 list_for_each_entry(fcport, &ha->fcports, list) {
1830 if (fcport->port_type != FCT_TARGET)
1834 * No point in marking the device as lost, if the device is
1837 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1839 if (atomic_read(&fcport->state) == FCS_ONLINE)
1840 qla2x00_schedule_rport_del(ha, fcport, defer);
1841 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1845 qla2xxx_wake_dpc(ha);
1850 * Allocates adapter memory.
1857 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1865 * This will loop only once if everything goes well, else some
1866 * number of retries will be performed to get around a kernel
1867 * bug where available mem is not allocated until after a
1868 * little delay and a retry.
1870 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1871 (ha->request_q_length + 1) * sizeof(request_t),
1872 &ha->request_dma, GFP_KERNEL);
1873 if (ha->request_ring == NULL) {
1874 qla_printk(KERN_WARNING, ha,
1875 "Memory Allocation failed - request_ring\n");
1877 qla2x00_mem_free(ha);
1883 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1884 (ha->response_q_length + 1) * sizeof(response_t),
1885 &ha->response_dma, GFP_KERNEL);
1886 if (ha->response_ring == NULL) {
1887 qla_printk(KERN_WARNING, ha,
1888 "Memory Allocation failed - response_ring\n");
1890 qla2x00_mem_free(ha);
1896 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1897 &ha->gid_list_dma, GFP_KERNEL);
1898 if (ha->gid_list == NULL) {
1899 qla_printk(KERN_WARNING, ha,
1900 "Memory Allocation failed - gid_list\n");
1902 qla2x00_mem_free(ha);
1908 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1910 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1911 DMA_POOL_SIZE, 8, 0);
1912 if (ha->s_dma_pool == NULL) {
1913 qla_printk(KERN_WARNING, ha,
1914 "Memory Allocation failed - s_dma_pool\n");
1916 qla2x00_mem_free(ha);
1922 /* get consistent memory allocated for init control block */
1923 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1925 if (ha->init_cb == NULL) {
1926 qla_printk(KERN_WARNING, ha,
1927 "Memory Allocation failed - init_cb\n");
1929 qla2x00_mem_free(ha);
1934 memset(ha->init_cb, 0, ha->init_cb_size);
1936 if (qla2x00_allocate_sp_pool(ha)) {
1937 qla_printk(KERN_WARNING, ha,
1938 "Memory Allocation failed - "
1939 "qla2x00_allocate_sp_pool()\n");
1941 qla2x00_mem_free(ha);
1947 /* Allocate memory for SNS commands */
1948 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1949 /* Get consistent memory allocated for SNS commands */
1950 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1951 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1953 if (ha->sns_cmd == NULL) {
1955 qla_printk(KERN_WARNING, ha,
1956 "Memory Allocation failed - sns_cmd\n");
1958 qla2x00_mem_free(ha);
1963 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1965 /* Get consistent memory allocated for MS IOCB */
1966 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1968 if (ha->ms_iocb == NULL) {
1970 qla_printk(KERN_WARNING, ha,
1971 "Memory Allocation failed - ms_iocb\n");
1973 qla2x00_mem_free(ha);
1978 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1981 * Get consistent memory allocated for CT SNS
1984 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1985 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1987 if (ha->ct_sns == NULL) {
1989 qla_printk(KERN_WARNING, ha,
1990 "Memory Allocation failed - ct_sns\n");
1992 qla2x00_mem_free(ha);
1997 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
1999 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2001 * Get consistent memory allocated for SFP
2004 ha->sfp_data = dma_pool_alloc(ha->s_dma_pool,
2005 GFP_KERNEL, &ha->sfp_data_dma);
2006 if (ha->sfp_data == NULL) {
2007 qla_printk(KERN_WARNING, ha,
2008 "Memory Allocation failed - "
2011 qla2x00_mem_free(ha);
2016 memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
2020 /* Done all allocations without any error. */
2023 } while (retry-- && status != 0);
2027 "%s(): **** FAILED ****\n", __func__);
2035 * Frees all adapter allocated memory.
2038 * ha = adapter block pointer.
2041 qla2x00_mem_free(scsi_qla_host_t *ha)
2043 struct list_head *fcpl, *fcptemp;
2048 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2053 qla2x00_free_sp_pool(ha);
2057 dma_free_coherent(&ha->pdev->dev,
2058 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2063 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2064 ha->sns_cmd, ha->sns_cmd_dma);
2067 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2068 ha->ct_sns, ha->ct_sns_dma);
2071 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2074 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2077 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2080 dma_pool_destroy(ha->s_dma_pool);
2083 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2086 if (ha->response_ring)
2087 dma_free_coherent(&ha->pdev->dev,
2088 (ha->response_q_length + 1) * sizeof(response_t),
2089 ha->response_ring, ha->response_dma);
2091 if (ha->request_ring)
2092 dma_free_coherent(&ha->pdev->dev,
2093 (ha->request_q_length + 1) * sizeof(request_t),
2094 ha->request_ring, ha->request_dma);
2099 ha->sns_cmd_dma = 0;
2103 ha->ms_iocb_dma = 0;
2105 ha->init_cb_dma = 0;
2107 ha->s_dma_pool = NULL;
2109 ha->gid_list = NULL;
2110 ha->gid_list_dma = 0;
2112 ha->response_ring = NULL;
2113 ha->response_dma = 0;
2114 ha->request_ring = NULL;
2115 ha->request_dma = 0;
2117 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2118 fcport = list_entry(fcpl, fc_port_t, list);
2121 list_del_init(&fcport->list);
2124 INIT_LIST_HEAD(&ha->fcports);
2128 ha->fw_dump_reading = 0;
2130 vfree(ha->optrom_buffer);
2134 * qla2x00_allocate_sp_pool
2135 * This routine is called during initialization to allocate
2136 * memory for local srb_t.
2139 * ha = adapter block pointer.
2145 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2150 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2151 if (ha->srb_mempool == NULL) {
2152 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2153 rval = QLA_FUNCTION_FAILED;
2159 * This routine frees all adapter allocated memory.
2163 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2165 if (ha->srb_mempool) {
2166 mempool_destroy(ha->srb_mempool);
2167 ha->srb_mempool = NULL;
2171 /**************************************************************************
2173 * This kernel thread is a task that is schedule by the interrupt handler
2174 * to perform the background processing for interrupts.
2177 * This task always run in the context of a kernel thread. It
2178 * is kick-off by the driver's detect code and starts up
2179 * up one per adapter. It immediately goes to sleep and waits for
2180 * some fibre event. When either the interrupt handler or
2181 * the timer routine detects a event it will one of the task
2182 * bits then wake us up.
2183 **************************************************************************/
2185 qla2x00_do_dpc(void *data)
2187 scsi_qla_host_t *ha;
2190 uint16_t next_loopid;
2192 ha = (scsi_qla_host_t *)data;
2194 set_user_nice(current, -20);
2196 while (!kthread_should_stop()) {
2197 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2199 set_current_state(TASK_INTERRUPTIBLE);
2201 __set_current_state(TASK_RUNNING);
2203 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2205 /* Initialization not yet finished. Don't do anything yet. */
2206 if (!ha->flags.init_done)
2209 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2213 if (ha->flags.mbox_busy) {
2218 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2220 DEBUG(printk("scsi(%ld): dpc: sched "
2221 "qla2x00_abort_isp ha = %p\n",
2223 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2226 if (qla2x00_abort_isp(ha)) {
2227 /* failed. retry later */
2228 set_bit(ISP_ABORT_NEEDED,
2231 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2233 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2237 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2238 qla2x00_update_fcports(ha);
2240 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2241 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2243 qla2x00_loop_reset(ha);
2246 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2247 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2249 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2252 qla2x00_rst_aen(ha);
2253 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2256 /* Retry each device up to login retry count */
2257 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2258 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2259 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2261 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2265 list_for_each_entry(fcport, &ha->fcports, list) {
2267 * If the port is not ONLINE then try to login
2268 * to it if we haven't run out of retries.
2270 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2271 fcport->login_retry) {
2273 fcport->login_retry--;
2274 if (fcport->flags & FCF_FABRIC_DEVICE) {
2277 ha->isp_ops.fabric_logout(
2278 ha, fcport->loop_id,
2279 fcport->d_id.b.domain,
2280 fcport->d_id.b.area,
2281 fcport->d_id.b.al_pa);
2282 status = qla2x00_fabric_login(
2283 ha, fcport, &next_loopid);
2286 qla2x00_local_device_login(
2289 if (status == QLA_SUCCESS) {
2290 fcport->old_loop_id = fcport->loop_id;
2292 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2293 ha->host_no, fcport->loop_id));
2295 qla2x00_update_fcport(ha,
2297 } else if (status == 1) {
2298 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2299 /* retry the login again */
2300 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2302 fcport->login_retry, fcport->loop_id));
2304 fcport->login_retry = 0;
2307 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2310 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2314 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2315 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2317 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2318 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2321 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2323 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2327 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2329 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2332 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2335 qla2x00_loop_resync(ha);
2337 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2340 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2344 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2346 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2349 qla2x00_rescan_fcports(ha);
2351 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2356 if (!ha->interrupts_on)
2357 ha->isp_ops.enable_intrs(ha);
2359 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2360 ha->isp_ops.beacon_blink(ha);
2363 } /* End of while(1) */
2365 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2368 * Make sure that nobody tries to wake us up again.
2376 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2379 wake_up_process(ha->dpc_thread);
2384 * Processes asynchronous reset.
2387 * ha = adapter block pointer.
2390 qla2x00_rst_aen(scsi_qla_host_t *ha)
2392 if (ha->flags.online && !ha->flags.reset_active &&
2393 !atomic_read(&ha->loop_down_timer) &&
2394 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2396 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2399 * Issue marker command only when we are going to start
2402 ha->marker_needed = 1;
2403 } while (!atomic_read(&ha->loop_down_timer) &&
2404 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2409 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2411 struct scsi_cmnd *cmd = sp->cmd;
2413 if (sp->flags & SRB_DMA_VALID) {
2415 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2416 cmd->use_sg, cmd->sc_data_direction);
2417 } else if (cmd->request_bufflen) {
2418 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2419 cmd->request_bufflen, cmd->sc_data_direction);
2421 sp->flags &= ~SRB_DMA_VALID;
2427 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2429 struct scsi_cmnd *cmd = sp->cmd;
2431 qla2x00_sp_free_dma(ha, sp);
2433 mempool_free(sp, ha->srb_mempool);
2435 cmd->scsi_done(cmd);
2438 /**************************************************************************
2444 * Context: Interrupt
2445 ***************************************************************************/
2447 qla2x00_timer(scsi_qla_host_t *ha)
2449 unsigned long cpu_flags = 0;
2457 * Ports - Port down timer.
2459 * Whenever, a port is in the LOST state we start decrementing its port
2460 * down timer every second until it reaches zero. Once it reaches zero
2461 * the port it marked DEAD.
2464 list_for_each_entry(fcport, &ha->fcports, list) {
2465 if (fcport->port_type != FCT_TARGET)
2468 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2470 if (atomic_read(&fcport->port_down_timer) == 0)
2473 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2474 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2476 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2479 t, atomic_read(&fcport->port_down_timer)));
2482 } /* End of for fcport */
2485 /* Loop down handler. */
2486 if (atomic_read(&ha->loop_down_timer) > 0 &&
2487 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2489 if (atomic_read(&ha->loop_down_timer) ==
2490 ha->loop_down_abort_time) {
2492 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2493 "queues before time expire\n",
2496 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2497 atomic_set(&ha->loop_state, LOOP_DEAD);
2499 /* Schedule an ISP abort to return any tape commands. */
2500 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2501 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2505 sp = ha->outstanding_cmds[index];
2509 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2512 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2515 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2517 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2521 /* if the loop has been down for 4 minutes, reinit adapter */
2522 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2523 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2524 "restarting queues.\n",
2527 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2530 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2531 DEBUG(printk("scsi(%ld): Loop down - "
2534 qla_printk(KERN_WARNING, ha,
2535 "Loop down - aborting ISP.\n");
2537 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2540 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2542 atomic_read(&ha->loop_down_timer)));
2545 /* Check if beacon LED needs to be blinked */
2546 if (ha->beacon_blink_led == 1) {
2547 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2551 /* Schedule the DPC routine if needed */
2552 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2553 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2554 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2555 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2557 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2558 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2559 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2560 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2561 qla2xxx_wake_dpc(ha);
2563 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2566 /* XXX(hch): crude hack to emulate a down_timeout() */
2568 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2570 const unsigned int step = 100; /* msecs */
2571 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2574 if (!down_trylock(sema))
2576 if (msleep_interruptible(step))
2578 } while (--iterations >= 0);
2583 /* Firmware interface routines. */
2586 #define FW_ISP21XX 0
2587 #define FW_ISP22XX 1
2588 #define FW_ISP2300 2
2589 #define FW_ISP2322 3
2590 #define FW_ISP24XX 4
2592 #define FW_FILE_ISP21XX "ql2100_fw.bin"
2593 #define FW_FILE_ISP22XX "ql2200_fw.bin"
2594 #define FW_FILE_ISP2300 "ql2300_fw.bin"
2595 #define FW_FILE_ISP2322 "ql2322_fw.bin"
2596 #define FW_FILE_ISP24XX "ql2400_fw.bin"
2598 static DECLARE_MUTEX(qla_fw_lock);
2600 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2601 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
2602 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
2603 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
2604 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2605 { .name = FW_FILE_ISP24XX, },
2609 qla2x00_request_firmware(scsi_qla_host_t *ha)
2611 struct fw_blob *blob;
2614 if (IS_QLA2100(ha)) {
2615 blob = &qla_fw_blobs[FW_ISP21XX];
2616 } else if (IS_QLA2200(ha)) {
2617 blob = &qla_fw_blobs[FW_ISP22XX];
2618 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2619 blob = &qla_fw_blobs[FW_ISP2300];
2620 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2621 blob = &qla_fw_blobs[FW_ISP2322];
2622 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2623 blob = &qla_fw_blobs[FW_ISP24XX];
2630 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2631 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2632 "(%s).\n", ha->host_no, blob->name));
2644 qla2x00_release_firmware(void)
2649 for (idx = 0; idx < FW_BLOBS; idx++)
2650 if (qla_fw_blobs[idx].fw)
2651 release_firmware(qla_fw_blobs[idx].fw);
2655 static struct pci_device_id qla2xxx_pci_tbl[] = {
2656 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2657 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2658 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2659 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2660 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2661 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2662 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2663 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2664 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2665 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2666 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2669 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2671 static struct pci_driver qla2xxx_pci_driver = {
2672 .name = QLA2XXX_DRIVER_NAME,
2674 .owner = THIS_MODULE,
2676 .id_table = qla2xxx_pci_tbl,
2677 .probe = qla2x00_probe_one,
2678 .remove = __devexit_p(qla2x00_remove_one),
2682 * qla2x00_module_init - Module initialization.
2685 qla2x00_module_init(void)
2689 /* Allocate cache for SRBs. */
2690 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2691 SLAB_HWCACHE_ALIGN, NULL, NULL);
2692 if (srb_cachep == NULL) {
2694 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2698 /* Derive version string. */
2699 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2700 if (ql2xextended_error_logging)
2701 strcat(qla2x00_version_str, "-debug");
2703 qla2xxx_transport_template =
2704 fc_attach_transport(&qla2xxx_transport_functions);
2705 if (!qla2xxx_transport_template)
2708 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2709 ret = pci_register_driver(&qla2xxx_pci_driver);
2711 kmem_cache_destroy(srb_cachep);
2712 fc_release_transport(qla2xxx_transport_template);
2718 * qla2x00_module_exit - Module cleanup.
2721 qla2x00_module_exit(void)
2723 pci_unregister_driver(&qla2xxx_pci_driver);
2724 qla2x00_release_firmware();
2725 kmem_cache_destroy(srb_cachep);
2726 fc_release_transport(qla2xxx_transport_template);
2729 module_init(qla2x00_module_init);
2730 module_exit(qla2x00_module_exit);
2732 MODULE_AUTHOR("QLogic Corporation");
2733 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2734 MODULE_LICENSE("GPL");
2735 MODULE_VERSION(QLA2XXX_VERSION);
2736 MODULE_FIRMWARE(FW_FILE_ISP21XX);
2737 MODULE_FIRMWARE(FW_FILE_ISP22XX);
2738 MODULE_FIRMWARE(FW_FILE_ISP2300);
2739 MODULE_FIRMWARE(FW_FILE_ISP2322);
2740 MODULE_FIRMWARE(FW_FILE_ISP24XX);