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 static void qla2x00_free_device(scsi_qla_host_t *);
59 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
62 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
63 MODULE_PARM_DESC(ql2xfdmienable,
64 "Enables FDMI registratons "
65 "Default is 0 - no FDMI. 1 - perfom FDMI.");
68 * SCSI host template entry points
70 static int qla2xxx_slave_configure(struct scsi_device * device);
71 static int qla2xxx_slave_alloc(struct scsi_device *);
72 static void qla2xxx_slave_destroy(struct scsi_device *);
73 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
74 void (*fn)(struct scsi_cmnd *));
75 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
76 void (*fn)(struct scsi_cmnd *));
77 static int qla2xxx_eh_abort(struct scsi_cmnd *);
78 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
79 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
80 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
81 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
82 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
84 static int qla2x00_change_queue_depth(struct scsi_device *, int);
85 static int qla2x00_change_queue_type(struct scsi_device *, int);
87 static struct scsi_host_template qla2x00_driver_template = {
88 .module = THIS_MODULE,
89 .name = QLA2XXX_DRIVER_NAME,
90 .queuecommand = qla2x00_queuecommand,
92 .eh_abort_handler = qla2xxx_eh_abort,
93 .eh_device_reset_handler = qla2xxx_eh_device_reset,
94 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
95 .eh_host_reset_handler = qla2xxx_eh_host_reset,
97 .slave_configure = qla2xxx_slave_configure,
99 .slave_alloc = qla2xxx_slave_alloc,
100 .slave_destroy = qla2xxx_slave_destroy,
101 .change_queue_depth = qla2x00_change_queue_depth,
102 .change_queue_type = qla2x00_change_queue_type,
105 .use_clustering = ENABLE_CLUSTERING,
106 .sg_tablesize = SG_ALL,
109 * The RISC allows for each command to transfer (2^32-1) bytes of data,
110 * which equates to 0x800000 sectors.
112 .max_sectors = 0xFFFF,
113 .shost_attrs = qla2x00_host_attrs,
116 static struct scsi_host_template qla24xx_driver_template = {
117 .module = THIS_MODULE,
118 .name = QLA2XXX_DRIVER_NAME,
119 .queuecommand = qla24xx_queuecommand,
121 .eh_abort_handler = qla2xxx_eh_abort,
122 .eh_device_reset_handler = qla2xxx_eh_device_reset,
123 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
124 .eh_host_reset_handler = qla2xxx_eh_host_reset,
126 .slave_configure = qla2xxx_slave_configure,
128 .slave_alloc = qla2xxx_slave_alloc,
129 .slave_destroy = qla2xxx_slave_destroy,
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,
137 .max_sectors = 0xFFFF,
138 .shost_attrs = qla2x00_host_attrs,
141 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
143 /* TODO Convert to inlines
147 #define WATCH_INTERVAL 1 /* number of seconds */
149 static void qla2x00_timer(scsi_qla_host_t *);
151 static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
152 void *, unsigned long);
153 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
154 static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
157 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
159 init_timer(&ha->timer);
160 ha->timer.expires = jiffies + interval * HZ;
161 ha->timer.data = (unsigned long)ha;
162 ha->timer.function = (void (*)(unsigned long))func;
163 add_timer(&ha->timer);
164 ha->timer_active = 1;
168 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
170 mod_timer(&ha->timer, jiffies + interval * HZ);
173 static __inline__ void
174 qla2x00_stop_timer(scsi_qla_host_t *ha)
176 del_timer_sync(&ha->timer);
177 ha->timer_active = 0;
180 static int qla2x00_do_dpc(void *data);
182 static void qla2x00_rst_aen(scsi_qla_host_t *);
184 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
185 static void qla2x00_mem_free(scsi_qla_host_t *ha);
186 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
187 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
188 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
189 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
191 /* -------------------------------------------------------------------------- */
194 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
196 static char *pci_bus_modes[] = {
197 "33", "66", "100", "133",
202 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
205 strcat(str, pci_bus_modes[pci_bus]);
207 pci_bus = (ha->pci_attr & BIT_8) >> 8;
209 strcat(str, pci_bus_modes[pci_bus]);
211 strcat(str, " MHz)");
217 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
219 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
223 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
226 uint16_t pcie_lstat, lspeed, lwidth;
229 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
230 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
231 lwidth = (pcie_lstat &
232 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
234 strcpy(str, "PCIe (");
236 strcat(str, "2.5Gb/s ");
238 strcat(str, "<unknown> ");
239 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
246 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
247 if (pci_bus == 0 || pci_bus == 8) {
249 strcat(str, pci_bus_modes[pci_bus >> 3]);
253 strcat(str, "Mode 2");
255 strcat(str, "Mode 1");
257 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
259 strcat(str, " MHz)");
265 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
269 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
270 ha->fw_minor_version,
271 ha->fw_subminor_version);
273 if (ha->fw_attributes & BIT_9) {
278 switch (ha->fw_attributes & 0xFF) {
292 sprintf(un_str, "(%x)", ha->fw_attributes);
296 if (ha->fw_attributes & 0x100)
303 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
305 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
306 ha->fw_minor_version,
307 ha->fw_subminor_version);
309 if (ha->fw_attributes & BIT_0)
310 strcat(str, "[Class 2] ");
311 if (ha->fw_attributes & BIT_1)
312 strcat(str, "[IP] ");
313 if (ha->fw_attributes & BIT_2)
314 strcat(str, "[Multi-ID] ");
315 if (ha->fw_attributes & BIT_13)
316 strcat(str, "[Experimental]");
320 static inline srb_t *
321 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
322 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
326 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
334 CMD_SP(cmd) = (void *)sp;
335 cmd->scsi_done = done;
341 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
343 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
344 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
345 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
349 rval = fc_remote_port_chkready(rport);
352 goto qc_fail_command;
355 /* Close window on fcport/rport state-transitioning. */
356 if (!*(fc_port_t **)rport->dd_data) {
357 cmd->result = DID_IMM_RETRY << 16;
358 goto qc_fail_command;
361 if (atomic_read(&fcport->state) != FCS_ONLINE) {
362 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
363 atomic_read(&ha->loop_state) == LOOP_DEAD) {
364 cmd->result = DID_NO_CONNECT << 16;
365 goto qc_fail_command;
370 spin_unlock_irq(ha->host->host_lock);
372 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
374 goto qc_host_busy_lock;
376 rval = qla2x00_start_scsi(sp);
377 if (rval != QLA_SUCCESS)
378 goto qc_host_busy_free_sp;
380 spin_lock_irq(ha->host->host_lock);
384 qc_host_busy_free_sp:
385 qla2x00_sp_free_dma(ha, sp);
386 mempool_free(sp, ha->srb_mempool);
389 spin_lock_irq(ha->host->host_lock);
392 return SCSI_MLQUEUE_HOST_BUSY;
402 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
404 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
405 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
406 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
410 rval = fc_remote_port_chkready(rport);
413 goto qc24_fail_command;
416 /* Close window on fcport/rport state-transitioning. */
417 if (!*(fc_port_t **)rport->dd_data) {
418 cmd->result = DID_IMM_RETRY << 16;
419 goto qc24_fail_command;
422 if (atomic_read(&fcport->state) != FCS_ONLINE) {
423 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
424 atomic_read(&ha->loop_state) == LOOP_DEAD) {
425 cmd->result = DID_NO_CONNECT << 16;
426 goto qc24_fail_command;
431 spin_unlock_irq(ha->host->host_lock);
433 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
435 goto qc24_host_busy_lock;
437 rval = qla24xx_start_scsi(sp);
438 if (rval != QLA_SUCCESS)
439 goto qc24_host_busy_free_sp;
441 spin_lock_irq(ha->host->host_lock);
445 qc24_host_busy_free_sp:
446 qla2x00_sp_free_dma(ha, sp);
447 mempool_free(sp, ha->srb_mempool);
450 spin_lock_irq(ha->host->host_lock);
453 return SCSI_MLQUEUE_HOST_BUSY;
463 * qla2x00_eh_wait_on_command
464 * Waits for the command to be returned by the Firmware for some
468 * ha = actual ha whose done queue will contain the command
469 * returned by firmware.
470 * cmd = Scsi Command to wait on.
471 * flag = Abort/Reset(Bus or Device Reset)
478 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
480 #define ABORT_POLLING_PERIOD 1000
481 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
482 unsigned long wait_iter = ABORT_WAIT_ITER;
483 int ret = QLA_SUCCESS;
485 while (CMD_SP(cmd)) {
486 msleep(ABORT_POLLING_PERIOD);
492 ret = QLA_FUNCTION_FAILED;
498 * qla2x00_wait_for_hba_online
499 * Wait till the HBA is online after going through
500 * <= MAX_RETRIES_OF_ISP_ABORT or
501 * finally HBA is disabled ie marked offline
504 * ha - pointer to host adapter structure
507 * Does context switching-Release SPIN_LOCK
508 * (if any) before calling this routine.
511 * Success (Adapter is online) : 0
512 * Failed (Adapter is offline/disabled) : 1
515 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
518 unsigned long wait_online;
520 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
521 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
522 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
523 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
524 ha->dpc_active) && time_before(jiffies, wait_online)) {
528 if (ha->flags.online)
529 return_status = QLA_SUCCESS;
531 return_status = QLA_FUNCTION_FAILED;
533 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
535 return (return_status);
539 * qla2x00_wait_for_loop_ready
540 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
541 * to be in LOOP_READY state.
543 * ha - pointer to host adapter structure
546 * Does context switching-Release SPIN_LOCK
547 * (if any) before calling this routine.
551 * Success (LOOP_READY) : 0
552 * Failed (LOOP_NOT_READY) : 1
555 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
557 int return_status = QLA_SUCCESS;
558 unsigned long loop_timeout ;
560 /* wait for 5 min at the max for loop to be ready */
561 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
563 while ((!atomic_read(&ha->loop_down_timer) &&
564 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
565 atomic_read(&ha->loop_state) != LOOP_READY) {
566 if (atomic_read(&ha->loop_state) == LOOP_DEAD) {
567 return_status = QLA_FUNCTION_FAILED;
571 if (time_after_eq(jiffies, loop_timeout)) {
572 return_status = QLA_FUNCTION_FAILED;
576 return (return_status);
579 /**************************************************************************
583 * The abort function will abort the specified command.
586 * cmd = Linux SCSI command packet to be aborted.
589 * Either SUCCESS or FAILED.
592 * Only return FAILED if command not returned by firmware.
593 **************************************************************************/
595 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
597 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
600 unsigned int id, lun;
601 unsigned long serial;
610 id = cmd->device->id;
611 lun = cmd->device->lun;
612 serial = cmd->serial_number;
614 /* Check active list for command command. */
615 spin_lock_irqsave(&ha->hardware_lock, flags);
616 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
617 sp = ha->outstanding_cmds[i];
625 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
626 __func__, ha->host_no, sp, serial));
627 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
629 spin_unlock_irqrestore(&ha->hardware_lock, flags);
630 if (ha->isp_ops.abort_command(ha, sp)) {
631 DEBUG2(printk("%s(%ld): abort_command "
632 "mbx failed.\n", __func__, ha->host_no));
634 DEBUG3(printk("%s(%ld): abort_command "
635 "mbx success.\n", __func__, ha->host_no));
638 spin_lock_irqsave(&ha->hardware_lock, flags);
642 spin_unlock_irqrestore(&ha->hardware_lock, flags);
644 /* Wait for the command to be returned. */
646 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
647 qla_printk(KERN_ERR, ha,
648 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
649 "%x.\n", ha->host_no, id, lun, serial, ret);
654 qla_printk(KERN_INFO, ha,
655 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
656 ha->host_no, id, lun, wait, serial, ret);
661 /**************************************************************************
662 * qla2x00_eh_wait_for_pending_target_commands
665 * Waits for all the commands to come back from the specified target.
668 * ha - pointer to scsi_qla_host structure.
671 * Either SUCCESS or FAILED.
674 **************************************************************************/
676 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
681 struct scsi_cmnd *cmd;
687 * Waiting for all commands for the designated target in the active
690 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
691 spin_lock_irqsave(&ha->hardware_lock, flags);
692 sp = ha->outstanding_cmds[cnt];
695 spin_unlock_irqrestore(&ha->hardware_lock, flags);
696 if (cmd->device->id == t) {
697 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
703 spin_unlock_irqrestore(&ha->hardware_lock, flags);
710 /**************************************************************************
711 * qla2xxx_eh_device_reset
714 * The device reset function will reset the target and abort any
715 * executing commands.
717 * NOTE: The use of SP is undefined within this context. Do *NOT*
718 * attempt to use this value, even if you determine it is
722 * cmd = Linux SCSI command packet of the command that cause the
726 * SUCCESS/FAILURE (defined as macro in scsi.h).
728 **************************************************************************/
730 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
732 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
733 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
736 unsigned int id, lun;
737 unsigned long serial;
741 id = cmd->device->id;
742 lun = cmd->device->lun;
743 serial = cmd->serial_number;
745 sp = (srb_t *) CMD_SP(cmd);
749 qla_printk(KERN_INFO, ha,
750 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
752 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
753 goto eh_dev_reset_done;
755 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
756 if (qla2x00_device_reset(ha, fcport) == 0)
759 #if defined(LOGOUT_AFTER_DEVICE_RESET)
760 if (ret == SUCCESS) {
761 if (fcport->flags & FC_FABRIC_DEVICE) {
762 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
763 qla2x00_mark_device_lost(ha, fcport, 0, 0);
768 DEBUG2(printk(KERN_INFO
769 "%s failed: loop not ready\n",__func__);)
773 DEBUG3(printk("%s(%ld): device reset failed\n",
774 __func__, ha->host_no));
775 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
778 goto eh_dev_reset_done;
781 /* Flush outstanding commands. */
782 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
785 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
786 __func__, ha->host_no));
787 qla_printk(KERN_INFO, ha,
788 "%s: failed while waiting for commands\n", __func__);
790 qla_printk(KERN_INFO, ha,
791 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
797 /**************************************************************************
798 * qla2x00_eh_wait_for_pending_commands
801 * Waits for all the commands to come back from the specified host.
804 * ha - pointer to scsi_qla_host structure.
811 **************************************************************************/
813 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
818 struct scsi_cmnd *cmd;
824 * Waiting for all commands for the designated target in the active
827 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
828 spin_lock_irqsave(&ha->hardware_lock, flags);
829 sp = ha->outstanding_cmds[cnt];
832 spin_unlock_irqrestore(&ha->hardware_lock, flags);
833 status = qla2x00_eh_wait_on_command(ha, cmd);
838 spin_unlock_irqrestore(&ha->hardware_lock, flags);
845 /**************************************************************************
846 * qla2xxx_eh_bus_reset
849 * The bus reset function will reset the bus and abort any executing
853 * cmd = Linux SCSI command packet of the command that cause the
857 * SUCCESS/FAILURE (defined as macro in scsi.h).
859 **************************************************************************/
861 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
863 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
864 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
867 unsigned int id, lun;
868 unsigned long serial;
872 id = cmd->device->id;
873 lun = cmd->device->lun;
874 serial = cmd->serial_number;
876 sp = (srb_t *) CMD_SP(cmd);
880 qla_printk(KERN_INFO, ha,
881 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
883 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
884 DEBUG2(printk("%s failed:board disabled\n",__func__));
885 goto eh_bus_reset_done;
888 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
889 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
893 goto eh_bus_reset_done;
895 /* Flush outstanding commands. */
896 if (!qla2x00_eh_wait_for_pending_commands(ha))
900 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
901 (ret == FAILED) ? "failed" : "succeded");
906 /**************************************************************************
907 * qla2xxx_eh_host_reset
910 * The reset function will reset the Adapter.
913 * cmd = Linux SCSI command packet of the command that cause the
917 * Either SUCCESS or FAILED.
920 **************************************************************************/
922 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
924 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
925 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
928 unsigned int id, lun;
929 unsigned long serial;
933 id = cmd->device->id;
934 lun = cmd->device->lun;
935 serial = cmd->serial_number;
937 sp = (srb_t *) CMD_SP(cmd);
941 qla_printk(KERN_INFO, ha,
942 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
944 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
945 goto eh_host_reset_lock;
948 * Fixme-may be dpc thread is active and processing
949 * loop_resync,so wait a while for it to
950 * be completed and then issue big hammer.Otherwise
951 * it may cause I/O failure as big hammer marks the
952 * devices as lost kicking of the port_down_timer
953 * while dpc is stuck for the mailbox to complete.
955 qla2x00_wait_for_loop_ready(ha);
956 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
957 if (qla2x00_abort_isp(ha)) {
958 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
959 /* failed. schedule dpc to try */
960 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
962 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
963 goto eh_host_reset_lock;
965 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
967 /* Waiting for our command in done_queue to be returned to OS.*/
968 if (qla2x00_eh_wait_for_pending_commands(ha))
972 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
973 (ret == FAILED) ? "failed" : "succeded");
983 * ha = adapter block pointer.
989 qla2x00_loop_reset(scsi_qla_host_t *ha)
991 int status = QLA_SUCCESS;
992 struct fc_port *fcport;
994 if (ha->flags.enable_lip_reset) {
995 status = qla2x00_lip_reset(ha);
998 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
999 list_for_each_entry(fcport, &ha->fcports, list) {
1000 if (fcport->port_type != FCT_TARGET)
1003 status = qla2x00_device_reset(ha, fcport);
1004 if (status != QLA_SUCCESS)
1009 if (status == QLA_SUCCESS &&
1010 ((!ha->flags.enable_target_reset &&
1011 !ha->flags.enable_lip_reset) ||
1012 ha->flags.enable_lip_full_login)) {
1014 status = qla2x00_full_login_lip(ha);
1017 /* Issue marker command only when we are going to start the I/O */
1018 ha->marker_needed = 1;
1022 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1027 DEBUG3(printk("%s(%ld): exiting normally.\n",
1036 * qla2x00_device_reset
1037 * Issue bus device reset message to the target.
1040 * ha = adapter block pointer.
1042 * TARGET_QUEUE_LOCK must be released.
1043 * ADAPTER_STATE_LOCK must be released.
1049 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1051 /* Abort Target command will clear Reservation */
1052 return ha->isp_ops.abort_target(reset_fcport);
1056 qla2xxx_slave_alloc(struct scsi_device *sdev)
1058 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1060 if (!rport || fc_remote_port_chkready(rport))
1063 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1069 qla2xxx_slave_configure(struct scsi_device *sdev)
1071 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1072 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1074 if (sdev->tagged_supported)
1075 scsi_activate_tcq(sdev, 32);
1077 scsi_deactivate_tcq(sdev, 32);
1079 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1085 qla2xxx_slave_destroy(struct scsi_device *sdev)
1087 sdev->hostdata = NULL;
1091 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1093 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1094 return sdev->queue_depth;
1098 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1100 if (sdev->tagged_supported) {
1101 scsi_set_tag_type(sdev, tag_type);
1103 scsi_activate_tcq(sdev, sdev->queue_depth);
1105 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1113 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1116 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1117 * supported addressing method.
1120 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1122 /* Assume a 32bit DMA mask. */
1123 ha->flags.enable_64bit_addressing = 0;
1125 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1126 /* Any upper-dword bits set? */
1127 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1128 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1129 /* Ok, a 64bit DMA mask is applicable. */
1130 ha->flags.enable_64bit_addressing = 1;
1131 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1132 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1137 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1138 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1142 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1144 ha->device_type = DT_EXTENDED_IDS;
1145 switch (ha->pdev->device) {
1146 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1147 ha->device_type |= DT_ISP2100;
1148 ha->device_type &= ~DT_EXTENDED_IDS;
1149 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1151 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1152 ha->device_type |= DT_ISP2200;
1153 ha->device_type &= ~DT_EXTENDED_IDS;
1154 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1156 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1157 ha->device_type |= DT_ISP2300;
1158 ha->device_type |= DT_ZIO_SUPPORTED;
1159 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1161 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1162 ha->device_type |= DT_ISP2312;
1163 ha->device_type |= DT_ZIO_SUPPORTED;
1164 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1166 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1167 ha->device_type |= DT_ISP2322;
1168 ha->device_type |= DT_ZIO_SUPPORTED;
1169 if (ha->pdev->subsystem_vendor == 0x1028 &&
1170 ha->pdev->subsystem_device == 0x0170)
1171 ha->device_type |= DT_OEM_001;
1172 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1174 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1175 ha->device_type |= DT_ISP6312;
1176 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1178 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1179 ha->device_type |= DT_ISP6322;
1180 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1182 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1183 ha->device_type |= DT_ISP2422;
1184 ha->device_type |= DT_ZIO_SUPPORTED;
1185 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1187 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1188 ha->device_type |= DT_ISP2432;
1189 ha->device_type |= DT_ZIO_SUPPORTED;
1190 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1192 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1193 ha->device_type |= DT_ISP5422;
1194 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1196 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1197 ha->device_type |= DT_ISP5432;
1198 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1204 qla2x00_iospace_config(scsi_qla_host_t *ha)
1206 unsigned long pio, pio_len, pio_flags;
1207 unsigned long mmio, mmio_len, mmio_flags;
1209 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1210 pio = pci_resource_start(ha->pdev, 0);
1211 pio_len = pci_resource_len(ha->pdev, 0);
1212 pio_flags = pci_resource_flags(ha->pdev, 0);
1213 if (pio_flags & IORESOURCE_IO) {
1214 if (pio_len < MIN_IOBASE_LEN) {
1215 qla_printk(KERN_WARNING, ha,
1216 "Invalid PCI I/O region size (%s)...\n",
1217 pci_name(ha->pdev));
1221 qla_printk(KERN_WARNING, ha,
1222 "region #0 not a PIO resource (%s)...\n",
1223 pci_name(ha->pdev));
1227 /* Use MMIO operations for all accesses. */
1228 mmio = pci_resource_start(ha->pdev, 1);
1229 mmio_len = pci_resource_len(ha->pdev, 1);
1230 mmio_flags = pci_resource_flags(ha->pdev, 1);
1232 if (!(mmio_flags & IORESOURCE_MEM)) {
1233 qla_printk(KERN_ERR, ha,
1234 "region #0 not an MMIO resource (%s), aborting\n",
1235 pci_name(ha->pdev));
1236 goto iospace_error_exit;
1238 if (mmio_len < MIN_IOBASE_LEN) {
1239 qla_printk(KERN_ERR, ha,
1240 "Invalid PCI mem region size (%s), aborting\n",
1241 pci_name(ha->pdev));
1242 goto iospace_error_exit;
1245 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1246 qla_printk(KERN_WARNING, ha,
1247 "Failed to reserve PIO/MMIO regions (%s)\n",
1248 pci_name(ha->pdev));
1250 goto iospace_error_exit;
1253 ha->pio_address = pio;
1254 ha->pio_length = pio_len;
1255 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1257 qla_printk(KERN_ERR, ha,
1258 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1260 goto iospace_error_exit;
1270 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1272 unsigned long flags = 0;
1273 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1275 spin_lock_irqsave(&ha->hardware_lock, flags);
1276 ha->interrupts_on = 1;
1277 /* enable risc and host interrupts */
1278 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1279 RD_REG_WORD(®->ictrl);
1280 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1285 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1287 unsigned long flags = 0;
1288 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1290 spin_lock_irqsave(&ha->hardware_lock, flags);
1291 ha->interrupts_on = 0;
1292 /* disable risc and host interrupts */
1293 WRT_REG_WORD(®->ictrl, 0);
1294 RD_REG_WORD(®->ictrl);
1295 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1299 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1301 unsigned long flags = 0;
1302 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1304 spin_lock_irqsave(&ha->hardware_lock, flags);
1305 ha->interrupts_on = 1;
1306 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1307 RD_REG_DWORD(®->ictrl);
1308 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1312 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1314 unsigned long flags = 0;
1315 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1317 spin_lock_irqsave(&ha->hardware_lock, flags);
1318 ha->interrupts_on = 0;
1319 WRT_REG_DWORD(®->ictrl, 0);
1320 RD_REG_DWORD(®->ictrl);
1321 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1325 * PCI driver interface
1327 static int qla2x00_probe_one(struct pci_dev *pdev)
1330 device_reg_t __iomem *reg;
1331 struct Scsi_Host *host;
1332 scsi_qla_host_t *ha;
1333 unsigned long flags = 0;
1334 unsigned long wait_switch = 0;
1338 struct scsi_host_template *sht;
1340 if (pci_enable_device(pdev))
1343 sht = &qla2x00_driver_template;
1344 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1345 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1346 sht = &qla24xx_driver_template;
1347 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1350 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1351 goto probe_disable_device;
1354 /* Clear our data area */
1355 ha = (scsi_qla_host_t *)host->hostdata;
1356 memset(ha, 0, sizeof(scsi_qla_host_t));
1360 ha->host_no = host->host_no;
1361 sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
1363 /* Set ISP-type information. */
1364 qla2x00_set_isp_flags(ha);
1366 /* Configure PCI I/O space */
1367 ret = qla2x00_iospace_config(ha);
1371 qla_printk(KERN_INFO, ha,
1372 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1375 spin_lock_init(&ha->hardware_lock);
1377 ha->prev_topology = 0;
1378 ha->init_cb_size = sizeof(init_cb_t);
1379 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1380 ha->link_data_rate = LDR_UNKNOWN;
1381 ha->optrom_size = OPTROM_SIZE_2300;
1383 /* Assign ISP specific operations. */
1384 ha->isp_ops.pci_config = qla2100_pci_config;
1385 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1386 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1387 ha->isp_ops.config_rings = qla2x00_config_rings;
1388 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1389 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1390 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1391 ha->isp_ops.load_risc = qla2x00_load_risc;
1392 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1393 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1394 ha->isp_ops.intr_handler = qla2100_intr_handler;
1395 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1396 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1397 ha->isp_ops.abort_command = qla2x00_abort_command;
1398 ha->isp_ops.abort_target = qla2x00_abort_target;
1399 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1400 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1401 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1402 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1403 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1404 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1405 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1406 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1407 ha->isp_ops.fw_dump = qla2100_fw_dump;
1408 ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump;
1409 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1410 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1411 if (IS_QLA2100(ha)) {
1412 host->max_id = MAX_TARGETS_2100;
1413 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1414 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1415 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1416 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1417 host->sg_tablesize = 32;
1418 ha->gid_list_info_size = 4;
1419 } else if (IS_QLA2200(ha)) {
1420 host->max_id = MAX_TARGETS_2200;
1421 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1422 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1423 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1424 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1425 ha->gid_list_info_size = 4;
1426 } else if (IS_QLA23XX(ha)) {
1427 host->max_id = MAX_TARGETS_2200;
1428 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1429 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1430 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1431 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1432 ha->isp_ops.pci_config = qla2300_pci_config;
1433 ha->isp_ops.intr_handler = qla2300_intr_handler;
1434 ha->isp_ops.fw_dump = qla2300_fw_dump;
1435 ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump;
1436 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1437 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1438 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
1439 ha->gid_list_info_size = 6;
1440 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1441 ha->optrom_size = OPTROM_SIZE_2322;
1442 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1443 host->max_id = MAX_TARGETS_2200;
1444 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1445 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1446 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1447 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1448 ha->init_cb_size = sizeof(struct init_cb_24xx);
1449 ha->mgmt_svr_loop_id = 10;
1450 ha->isp_ops.pci_config = qla24xx_pci_config;
1451 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1452 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1453 ha->isp_ops.config_rings = qla24xx_config_rings;
1454 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1455 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1456 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1457 ha->isp_ops.load_risc = qla24xx_load_risc;
1458 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1459 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1460 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1461 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1462 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1463 ha->isp_ops.abort_command = qla24xx_abort_command;
1464 ha->isp_ops.abort_target = qla24xx_abort_target;
1465 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1466 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1467 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1468 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1469 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1470 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1471 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1472 ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump;
1473 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1474 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
1475 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1476 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1477 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
1478 ha->gid_list_info_size = 8;
1479 ha->optrom_size = OPTROM_SIZE_24XX;
1481 host->can_queue = ha->request_q_length + 128;
1483 /* load the F/W, read paramaters, and init the H/W */
1484 ha->instance = num_hosts;
1486 init_MUTEX(&ha->mbx_cmd_sem);
1487 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1489 INIT_LIST_HEAD(&ha->list);
1490 INIT_LIST_HEAD(&ha->fcports);
1493 * These locks are used to prevent more than one CPU
1494 * from modifying the queue at the same time. The
1495 * higher level "host_lock" will reduce most
1496 * contention for these locks.
1498 spin_lock_init(&ha->mbx_reg_lock);
1500 qla2x00_config_dma_addressing(ha);
1501 if (qla2x00_mem_alloc(ha)) {
1502 qla_printk(KERN_WARNING, ha,
1503 "[ERROR] Failed to allocate memory for adapter\n");
1509 if (qla2x00_initialize_adapter(ha) &&
1510 !(ha->device_flags & DFLG_NO_CABLE)) {
1512 qla_printk(KERN_WARNING, ha,
1513 "Failed to initialize adapter\n");
1515 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1516 "Adapter flags %x.\n",
1517 ha->host_no, ha->device_flags));
1524 * Startup the kernel thread for this host adapter
1526 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1527 "%s_dpc", ha->host_str);
1528 if (IS_ERR(ha->dpc_thread)) {
1529 qla_printk(KERN_WARNING, ha,
1530 "Unable to start DPC thread!\n");
1531 ret = PTR_ERR(ha->dpc_thread);
1535 host->this_id = 255;
1536 host->cmd_per_lun = 3;
1537 host->unique_id = ha->instance;
1538 host->max_cmd_len = MAX_CMDSZ;
1539 host->max_channel = MAX_BUSES - 1;
1540 host->max_lun = MAX_LUNS;
1541 host->transportt = qla2xxx_transport_template;
1543 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1544 SA_INTERRUPT|SA_SHIRQ, QLA2XXX_DRIVER_NAME, ha);
1546 qla_printk(KERN_WARNING, ha,
1547 "Failed to reserve interrupt %d already in use.\n",
1551 host->irq = pdev->irq;
1553 /* Initialized the timer */
1554 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1556 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1559 ha->isp_ops.disable_intrs(ha);
1561 spin_lock_irqsave(&ha->hardware_lock, flags);
1563 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1564 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
1565 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
1567 WRT_REG_WORD(®->isp.semaphore, 0);
1568 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
1569 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
1571 /* Enable proper parity */
1572 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1575 WRT_REG_WORD(®->isp.hccr,
1576 (HCCR_ENABLE_PARITY + 0x1));
1578 /* SRAM, Instruction RAM and GP RAM parity */
1579 WRT_REG_WORD(®->isp.hccr,
1580 (HCCR_ENABLE_PARITY + 0x7));
1583 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1585 ha->isp_ops.enable_intrs(ha);
1589 * Wait around max loop_reset_delay secs for the devices to come
1590 * on-line. We don't want Linux scanning before we are ready.
1593 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1594 time_before(jiffies,wait_switch) &&
1595 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1596 && (ha->device_flags & SWITCH_FOUND) ;) {
1598 qla2x00_check_fabric_devices(ha);
1603 pci_set_drvdata(pdev, ha);
1604 ha->flags.init_done = 1;
1607 ret = scsi_add_host(host, &pdev->dev);
1611 qla2x00_alloc_sysfs_attr(ha);
1613 qla2x00_init_host_attr(ha);
1615 qla_printk(KERN_INFO, ha, "\n"
1616 " QLogic Fibre Channel HBA Driver: %s\n"
1618 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1619 qla2x00_version_str, ha->model_number,
1620 ha->model_desc ? ha->model_desc: "", pdev->device,
1621 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1622 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1623 ha->isp_ops.fw_version_str(ha, fw_str));
1625 /* Go with fc_rport registration. */
1626 list_for_each_entry(fcport, &ha->fcports, list)
1627 qla2x00_reg_remote_port(ha, fcport);
1632 qla2x00_free_device(ha);
1634 scsi_host_put(host);
1636 probe_disable_device:
1637 pci_disable_device(pdev);
1643 static void qla2x00_remove_one(struct pci_dev *pdev)
1645 scsi_qla_host_t *ha;
1647 ha = pci_get_drvdata(pdev);
1649 qla2x00_free_sysfs_attr(ha);
1651 fc_remove_host(ha->host);
1653 scsi_remove_host(ha->host);
1655 qla2x00_free_device(ha);
1657 scsi_host_put(ha->host);
1659 pci_set_drvdata(pdev, NULL);
1663 qla2x00_free_device(scsi_qla_host_t *ha)
1666 if (ha->timer_active)
1667 qla2x00_stop_timer(ha);
1669 /* Kill the kernel thread for this host */
1670 if (ha->dpc_thread) {
1671 struct task_struct *t = ha->dpc_thread;
1674 * qla2xxx_wake_dpc checks for ->dpc_thread
1675 * so we need to zero it out.
1677 ha->dpc_thread = NULL;
1681 /* Stop currently executing firmware. */
1682 qla2x00_stop_firmware(ha);
1684 /* turn-off interrupts on the card */
1685 if (ha->interrupts_on)
1686 ha->isp_ops.disable_intrs(ha);
1688 qla2x00_mem_free(ha);
1690 ha->flags.online = 0;
1692 /* Detach interrupts */
1694 free_irq(ha->host->irq, ha);
1696 /* release io space registers */
1698 iounmap(ha->iobase);
1699 pci_release_regions(ha->pdev);
1701 pci_disable_device(ha->pdev);
1705 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1708 unsigned long flags;
1709 struct fc_rport *rport;
1714 rport = fcport->rport;
1716 spin_lock_irqsave(&fcport->rport_lock, flags);
1717 fcport->drport = rport;
1718 fcport->rport = NULL;
1719 *(fc_port_t **)rport->dd_data = NULL;
1720 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1721 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1723 spin_lock_irqsave(&fcport->rport_lock, flags);
1724 fcport->rport = NULL;
1725 *(fc_port_t **)rport->dd_data = NULL;
1726 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1727 fc_remote_port_delete(rport);
1732 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1734 * Input: ha = adapter block pointer. fcport = port structure pointer.
1740 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1741 int do_login, int defer)
1743 if (atomic_read(&fcport->state) == FCS_ONLINE)
1744 qla2x00_schedule_rport_del(ha, fcport, defer);
1747 * We may need to retry the login, so don't change the state of the
1748 * port but do the retries.
1750 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1751 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1756 if (fcport->login_retry == 0) {
1757 fcport->login_retry = ha->login_retry_count;
1758 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1760 DEBUG(printk("scsi(%ld): Port login retry: "
1761 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1762 "id = 0x%04x retry cnt=%d\n",
1764 fcport->port_name[0],
1765 fcport->port_name[1],
1766 fcport->port_name[2],
1767 fcport->port_name[3],
1768 fcport->port_name[4],
1769 fcport->port_name[5],
1770 fcport->port_name[6],
1771 fcport->port_name[7],
1773 fcport->login_retry));
1778 * qla2x00_mark_all_devices_lost
1779 * Updates fcport state when device goes offline.
1782 * ha = adapter block pointer.
1783 * fcport = port structure pointer.
1791 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1795 list_for_each_entry(fcport, &ha->fcports, list) {
1796 if (fcport->port_type != FCT_TARGET)
1800 * No point in marking the device as lost, if the device is
1803 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1805 if (atomic_read(&fcport->state) == FCS_ONLINE)
1806 qla2x00_schedule_rport_del(ha, fcport, defer);
1807 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1811 qla2xxx_wake_dpc(ha);
1816 * Allocates adapter memory.
1823 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1831 * This will loop only once if everything goes well, else some
1832 * number of retries will be performed to get around a kernel
1833 * bug where available mem is not allocated until after a
1834 * little delay and a retry.
1836 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1837 (ha->request_q_length + 1) * sizeof(request_t),
1838 &ha->request_dma, GFP_KERNEL);
1839 if (ha->request_ring == NULL) {
1840 qla_printk(KERN_WARNING, ha,
1841 "Memory Allocation failed - request_ring\n");
1843 qla2x00_mem_free(ha);
1849 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1850 (ha->response_q_length + 1) * sizeof(response_t),
1851 &ha->response_dma, GFP_KERNEL);
1852 if (ha->response_ring == NULL) {
1853 qla_printk(KERN_WARNING, ha,
1854 "Memory Allocation failed - response_ring\n");
1856 qla2x00_mem_free(ha);
1862 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1863 &ha->gid_list_dma, GFP_KERNEL);
1864 if (ha->gid_list == NULL) {
1865 qla_printk(KERN_WARNING, ha,
1866 "Memory Allocation failed - gid_list\n");
1868 qla2x00_mem_free(ha);
1874 snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
1876 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1877 DMA_POOL_SIZE, 8, 0);
1878 if (ha->s_dma_pool == NULL) {
1879 qla_printk(KERN_WARNING, ha,
1880 "Memory Allocation failed - s_dma_pool\n");
1882 qla2x00_mem_free(ha);
1888 /* get consistent memory allocated for init control block */
1889 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1891 if (ha->init_cb == NULL) {
1892 qla_printk(KERN_WARNING, ha,
1893 "Memory Allocation failed - init_cb\n");
1895 qla2x00_mem_free(ha);
1900 memset(ha->init_cb, 0, ha->init_cb_size);
1902 /* Allocate ioctl related memory. */
1903 if (qla2x00_alloc_ioctl_mem(ha)) {
1904 qla_printk(KERN_WARNING, ha,
1905 "Memory Allocation failed - ioctl_mem\n");
1907 qla2x00_mem_free(ha);
1913 if (qla2x00_allocate_sp_pool(ha)) {
1914 qla_printk(KERN_WARNING, ha,
1915 "Memory Allocation failed - "
1916 "qla2x00_allocate_sp_pool()\n");
1918 qla2x00_mem_free(ha);
1924 /* Allocate memory for SNS commands */
1925 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1926 /* Get consistent memory allocated for SNS commands */
1927 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1928 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1930 if (ha->sns_cmd == NULL) {
1932 qla_printk(KERN_WARNING, ha,
1933 "Memory Allocation failed - sns_cmd\n");
1935 qla2x00_mem_free(ha);
1940 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1942 /* Get consistent memory allocated for MS IOCB */
1943 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1945 if (ha->ms_iocb == NULL) {
1947 qla_printk(KERN_WARNING, ha,
1948 "Memory Allocation failed - ms_iocb\n");
1950 qla2x00_mem_free(ha);
1955 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1958 * Get consistent memory allocated for CT SNS
1961 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1962 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1964 if (ha->ct_sns == NULL) {
1966 qla_printk(KERN_WARNING, ha,
1967 "Memory Allocation failed - ct_sns\n");
1969 qla2x00_mem_free(ha);
1974 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
1977 /* Done all allocations without any error. */
1980 } while (retry-- && status != 0);
1984 "%s(): **** FAILED ****\n", __func__);
1992 * Frees all adapter allocated memory.
1995 * ha = adapter block pointer.
1998 qla2x00_mem_free(scsi_qla_host_t *ha)
2000 struct list_head *fcpl, *fcptemp;
2005 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2009 /* free ioctl memory */
2010 qla2x00_free_ioctl_mem(ha);
2013 qla2x00_free_sp_pool(ha);
2016 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2017 ha->sns_cmd, ha->sns_cmd_dma);
2020 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2021 ha->ct_sns, ha->ct_sns_dma);
2024 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2027 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2030 dma_pool_destroy(ha->s_dma_pool);
2033 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2036 if (ha->response_ring)
2037 dma_free_coherent(&ha->pdev->dev,
2038 (ha->response_q_length + 1) * sizeof(response_t),
2039 ha->response_ring, ha->response_dma);
2041 if (ha->request_ring)
2042 dma_free_coherent(&ha->pdev->dev,
2043 (ha->request_q_length + 1) * sizeof(request_t),
2044 ha->request_ring, ha->request_dma);
2047 ha->sns_cmd_dma = 0;
2051 ha->ms_iocb_dma = 0;
2053 ha->init_cb_dma = 0;
2055 ha->s_dma_pool = NULL;
2057 ha->gid_list = NULL;
2058 ha->gid_list_dma = 0;
2060 ha->response_ring = NULL;
2061 ha->response_dma = 0;
2062 ha->request_ring = NULL;
2063 ha->request_dma = 0;
2065 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2066 fcport = list_entry(fcpl, fc_port_t, list);
2069 list_del_init(&fcport->list);
2072 INIT_LIST_HEAD(&ha->fcports);
2075 vfree(ha->fw_dump_buffer);
2079 ha->fw_dump_reading = 0;
2080 ha->fw_dump_buffer = NULL;
2082 vfree(ha->optrom_buffer);
2086 * qla2x00_allocate_sp_pool
2087 * This routine is called during initialization to allocate
2088 * memory for local srb_t.
2091 * ha = adapter block pointer.
2097 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2102 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2103 if (ha->srb_mempool == NULL) {
2104 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2105 rval = QLA_FUNCTION_FAILED;
2111 * This routine frees all adapter allocated memory.
2115 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2117 if (ha->srb_mempool) {
2118 mempool_destroy(ha->srb_mempool);
2119 ha->srb_mempool = NULL;
2123 /**************************************************************************
2125 * This kernel thread is a task that is schedule by the interrupt handler
2126 * to perform the background processing for interrupts.
2129 * This task always run in the context of a kernel thread. It
2130 * is kick-off by the driver's detect code and starts up
2131 * up one per adapter. It immediately goes to sleep and waits for
2132 * some fibre event. When either the interrupt handler or
2133 * the timer routine detects a event it will one of the task
2134 * bits then wake us up.
2135 **************************************************************************/
2137 qla2x00_do_dpc(void *data)
2139 scsi_qla_host_t *ha;
2142 uint16_t next_loopid;
2144 ha = (scsi_qla_host_t *)data;
2146 set_user_nice(current, -20);
2148 while (!kthread_should_stop()) {
2149 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2151 set_current_state(TASK_INTERRUPTIBLE);
2153 __set_current_state(TASK_RUNNING);
2155 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2157 /* Initialization not yet finished. Don't do anything yet. */
2158 if (!ha->flags.init_done)
2161 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2165 if (ha->flags.mbox_busy) {
2170 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2172 DEBUG(printk("scsi(%ld): dpc: sched "
2173 "qla2x00_abort_isp ha = %p\n",
2175 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2178 if (qla2x00_abort_isp(ha)) {
2179 /* failed. retry later */
2180 set_bit(ISP_ABORT_NEEDED,
2183 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2185 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2189 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2190 qla2x00_update_fcports(ha);
2192 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2193 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2195 qla2x00_loop_reset(ha);
2198 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2199 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2201 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2204 qla2x00_rst_aen(ha);
2205 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2208 /* Retry each device up to login retry count */
2209 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2210 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2211 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2213 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2217 list_for_each_entry(fcport, &ha->fcports, list) {
2218 if (fcport->port_type != FCT_TARGET)
2222 * If the port is not ONLINE then try to login
2223 * to it if we haven't run out of retries.
2225 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2226 fcport->login_retry) {
2228 fcport->login_retry--;
2229 if (fcport->flags & FCF_FABRIC_DEVICE) {
2232 ha->isp_ops.fabric_logout(
2233 ha, fcport->loop_id,
2234 fcport->d_id.b.domain,
2235 fcport->d_id.b.area,
2236 fcport->d_id.b.al_pa);
2237 status = qla2x00_fabric_login(
2238 ha, fcport, &next_loopid);
2241 qla2x00_local_device_login(
2244 if (status == QLA_SUCCESS) {
2245 fcport->old_loop_id = fcport->loop_id;
2247 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2248 ha->host_no, fcport->loop_id));
2250 qla2x00_update_fcport(ha,
2252 } else if (status == 1) {
2253 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2254 /* retry the login again */
2255 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2257 fcport->login_retry, fcport->loop_id));
2259 fcport->login_retry = 0;
2262 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2265 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2269 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2270 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2272 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2273 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2276 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2278 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2282 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2284 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2287 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2290 qla2x00_loop_resync(ha);
2292 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2295 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2299 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2301 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2304 qla2x00_rescan_fcports(ha);
2306 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2311 if (!ha->interrupts_on)
2312 ha->isp_ops.enable_intrs(ha);
2314 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2315 ha->isp_ops.beacon_blink(ha);
2318 } /* End of while(1) */
2320 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2323 * Make sure that nobody tries to wake us up again.
2331 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2334 wake_up_process(ha->dpc_thread);
2339 * Processes asynchronous reset.
2342 * ha = adapter block pointer.
2345 qla2x00_rst_aen(scsi_qla_host_t *ha)
2347 if (ha->flags.online && !ha->flags.reset_active &&
2348 !atomic_read(&ha->loop_down_timer) &&
2349 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2351 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2354 * Issue marker command only when we are going to start
2357 ha->marker_needed = 1;
2358 } while (!atomic_read(&ha->loop_down_timer) &&
2359 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2364 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2366 struct scsi_cmnd *cmd = sp->cmd;
2368 if (sp->flags & SRB_DMA_VALID) {
2370 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2371 cmd->use_sg, cmd->sc_data_direction);
2372 } else if (cmd->request_bufflen) {
2373 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2374 cmd->request_bufflen, cmd->sc_data_direction);
2376 sp->flags &= ~SRB_DMA_VALID;
2382 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2384 struct scsi_cmnd *cmd = sp->cmd;
2386 qla2x00_sp_free_dma(ha, sp);
2388 mempool_free(sp, ha->srb_mempool);
2390 cmd->scsi_done(cmd);
2393 /**************************************************************************
2399 * Context: Interrupt
2400 ***************************************************************************/
2402 qla2x00_timer(scsi_qla_host_t *ha)
2404 unsigned long cpu_flags = 0;
2412 * Ports - Port down timer.
2414 * Whenever, a port is in the LOST state we start decrementing its port
2415 * down timer every second until it reaches zero. Once it reaches zero
2416 * the port it marked DEAD.
2419 list_for_each_entry(fcport, &ha->fcports, list) {
2420 if (fcport->port_type != FCT_TARGET)
2423 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2425 if (atomic_read(&fcport->port_down_timer) == 0)
2428 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2429 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2431 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2434 t, atomic_read(&fcport->port_down_timer)));
2437 } /* End of for fcport */
2440 /* Loop down handler. */
2441 if (atomic_read(&ha->loop_down_timer) > 0 &&
2442 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2444 if (atomic_read(&ha->loop_down_timer) ==
2445 ha->loop_down_abort_time) {
2447 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2448 "queues before time expire\n",
2451 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2452 atomic_set(&ha->loop_state, LOOP_DEAD);
2454 /* Schedule an ISP abort to return any tape commands. */
2455 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2456 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2460 sp = ha->outstanding_cmds[index];
2464 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2467 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2470 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2472 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2476 /* if the loop has been down for 4 minutes, reinit adapter */
2477 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2478 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2479 "restarting queues.\n",
2482 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2485 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2486 DEBUG(printk("scsi(%ld): Loop down - "
2489 qla_printk(KERN_WARNING, ha,
2490 "Loop down - aborting ISP.\n");
2492 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2495 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2497 atomic_read(&ha->loop_down_timer)));
2500 /* Check if beacon LED needs to be blinked */
2501 if (ha->beacon_blink_led == 1) {
2502 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2506 /* Schedule the DPC routine if needed */
2507 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2508 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2509 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2510 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2512 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2513 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2514 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2515 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2516 qla2xxx_wake_dpc(ha);
2518 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2521 /* XXX(hch): crude hack to emulate a down_timeout() */
2523 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2525 const unsigned int step = 100; /* msecs */
2526 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2529 if (!down_trylock(sema))
2531 if (msleep_interruptible(step))
2533 } while (--iterations >= 0);
2538 /* Firmware interface routines. */
2541 #define FW_ISP21XX 0
2542 #define FW_ISP22XX 1
2543 #define FW_ISP2300 2
2544 #define FW_ISP2322 3
2545 #define FW_ISP24XX 4
2547 static DECLARE_MUTEX(qla_fw_lock);
2549 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2550 { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, },
2551 { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
2552 { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
2553 { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2554 { .name = "ql2400_fw.bin", },
2558 qla2x00_request_firmware(scsi_qla_host_t *ha)
2560 struct fw_blob *blob;
2563 if (IS_QLA2100(ha)) {
2564 blob = &qla_fw_blobs[FW_ISP21XX];
2565 } else if (IS_QLA2200(ha)) {
2566 blob = &qla_fw_blobs[FW_ISP22XX];
2567 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2568 blob = &qla_fw_blobs[FW_ISP2300];
2569 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2570 blob = &qla_fw_blobs[FW_ISP2322];
2571 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2572 blob = &qla_fw_blobs[FW_ISP24XX];
2579 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2580 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2581 "(%s).\n", ha->host_no, blob->name));
2593 qla2x00_release_firmware(void)
2598 for (idx = 0; idx < FW_BLOBS; idx++)
2599 if (qla_fw_blobs[idx].fw)
2600 release_firmware(qla_fw_blobs[idx].fw);
2604 static struct pci_device_id qla2xxx_pci_tbl[] = {
2605 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
2606 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
2607 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
2608 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
2609 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
2610 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
2611 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
2612 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
2613 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
2614 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
2615 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
2618 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2620 static int __devinit
2621 qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2623 return qla2x00_probe_one(pdev);
2626 static void __devexit
2627 qla2xxx_remove_one(struct pci_dev *pdev)
2629 qla2x00_remove_one(pdev);
2632 static struct pci_driver qla2xxx_pci_driver = {
2633 .name = QLA2XXX_DRIVER_NAME,
2635 .owner = THIS_MODULE,
2637 .id_table = qla2xxx_pci_tbl,
2638 .probe = qla2xxx_probe_one,
2639 .remove = __devexit_p(qla2xxx_remove_one),
2643 qla2x00_pci_module_init(void)
2645 return pci_module_init(&qla2xxx_pci_driver);
2649 qla2x00_pci_module_exit(void)
2651 pci_unregister_driver(&qla2xxx_pci_driver);
2655 * qla2x00_module_init - Module initialization.
2658 qla2x00_module_init(void)
2662 /* Allocate cache for SRBs. */
2663 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2664 SLAB_HWCACHE_ALIGN, NULL, NULL);
2665 if (srb_cachep == NULL) {
2667 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2671 /* Derive version string. */
2672 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2674 strcat(qla2x00_version_str, "-debug");
2676 qla2xxx_transport_template =
2677 fc_attach_transport(&qla2xxx_transport_functions);
2678 if (!qla2xxx_transport_template)
2681 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2682 ret = qla2x00_pci_module_init();
2684 kmem_cache_destroy(srb_cachep);
2685 fc_release_transport(qla2xxx_transport_template);
2691 * qla2x00_module_exit - Module cleanup.
2694 qla2x00_module_exit(void)
2696 qla2x00_pci_module_exit();
2697 qla2x00_release_firmware();
2698 kmem_cache_destroy(srb_cachep);
2699 fc_release_transport(qla2xxx_transport_template);
2702 module_init(qla2x00_module_init);
2703 module_exit(qla2x00_module_exit);
2705 MODULE_AUTHOR("QLogic Corporation");
2706 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2707 MODULE_LICENSE("GPL");
2708 MODULE_VERSION(QLA2XXX_VERSION);