2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str[40];
25 * SRB allocation cache
27 static kmem_cache_t *srb_cachep;
30 * Ioctl related information.
34 int ql2xlogintimeout = 20;
35 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
36 MODULE_PARM_DESC(ql2xlogintimeout,
37 "Login timeout value in seconds.");
39 int qlport_down_retry = 30;
40 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(qlport_down_retry,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice;
46 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount = 0;
53 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xloginretrycount,
55 "Specify an alternate value for the NVRAM login retry count.");
57 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
59 module_param(ql2xfwloadflash, int, S_IRUGO|S_IRUSR);
60 MODULE_PARM_DESC(ql2xfwloadflash,
61 "Load ISP24xx firmware image from FLASH (onboard memory).");
64 static void qla2x00_free_device(scsi_qla_host_t *);
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75 module_param(ql2xprocessrscn, int, S_IRUGO|S_IRUSR);
76 MODULE_PARM_DESC(ql2xprocessrscn,
77 "Option to enable port RSCN handling via a series of less"
78 "fabric intrusive ADISCs and PLOGIs.");
81 * SCSI host template entry points
83 static int qla2xxx_slave_configure(struct scsi_device * device);
84 static int qla2xxx_slave_alloc(struct scsi_device *);
85 static void qla2xxx_slave_destroy(struct scsi_device *);
86 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
87 void (*fn)(struct scsi_cmnd *));
88 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
89 void (*fn)(struct scsi_cmnd *));
90 static int qla2xxx_eh_abort(struct scsi_cmnd *);
91 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
92 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
93 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
94 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
95 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
97 static int qla2x00_change_queue_depth(struct scsi_device *, int);
98 static int qla2x00_change_queue_type(struct scsi_device *, int);
100 static struct scsi_host_template qla2x00_driver_template = {
101 .module = THIS_MODULE,
103 .queuecommand = qla2x00_queuecommand,
105 .eh_abort_handler = qla2xxx_eh_abort,
106 .eh_device_reset_handler = qla2xxx_eh_device_reset,
107 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
108 .eh_host_reset_handler = qla2xxx_eh_host_reset,
110 .slave_configure = qla2xxx_slave_configure,
112 .slave_alloc = qla2xxx_slave_alloc,
113 .slave_destroy = qla2xxx_slave_destroy,
114 .change_queue_depth = qla2x00_change_queue_depth,
115 .change_queue_type = qla2x00_change_queue_type,
118 .use_clustering = ENABLE_CLUSTERING,
119 .sg_tablesize = SG_ALL,
122 * The RISC allows for each command to transfer (2^32-1) bytes of data,
123 * which equates to 0x800000 sectors.
125 .max_sectors = 0xFFFF,
126 .shost_attrs = qla2x00_host_attrs,
129 static struct scsi_host_template qla24xx_driver_template = {
130 .module = THIS_MODULE,
132 .queuecommand = qla24xx_queuecommand,
134 .eh_abort_handler = qla2xxx_eh_abort,
135 .eh_device_reset_handler = qla2xxx_eh_device_reset,
136 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
137 .eh_host_reset_handler = qla2xxx_eh_host_reset,
139 .slave_configure = qla2xxx_slave_configure,
141 .slave_alloc = qla2xxx_slave_alloc,
142 .slave_destroy = qla2xxx_slave_destroy,
143 .change_queue_depth = qla2x00_change_queue_depth,
144 .change_queue_type = qla2x00_change_queue_type,
147 .use_clustering = ENABLE_CLUSTERING,
148 .sg_tablesize = SG_ALL,
150 .max_sectors = 0xFFFF,
151 .shost_attrs = qla2x00_host_attrs,
154 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
156 /* TODO Convert to inlines
160 #define WATCH_INTERVAL 1 /* number of seconds */
162 static void qla2x00_timer(scsi_qla_host_t *);
164 static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
165 void *, unsigned long);
166 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
167 static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
170 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
172 init_timer(&ha->timer);
173 ha->timer.expires = jiffies + interval * HZ;
174 ha->timer.data = (unsigned long)ha;
175 ha->timer.function = (void (*)(unsigned long))func;
176 add_timer(&ha->timer);
177 ha->timer_active = 1;
181 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
183 mod_timer(&ha->timer, jiffies + interval * HZ);
186 static __inline__ void
187 qla2x00_stop_timer(scsi_qla_host_t *ha)
189 del_timer_sync(&ha->timer);
190 ha->timer_active = 0;
193 static int qla2x00_do_dpc(void *data);
195 static void qla2x00_rst_aen(scsi_qla_host_t *);
197 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
198 static void qla2x00_mem_free(scsi_qla_host_t *ha);
199 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
200 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
201 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
202 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
204 /* -------------------------------------------------------------------------- */
207 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
209 static char *pci_bus_modes[] = {
210 "33", "66", "100", "133",
215 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
218 strcat(str, pci_bus_modes[pci_bus]);
220 pci_bus = (ha->pci_attr & BIT_8) >> 8;
222 strcat(str, pci_bus_modes[pci_bus]);
224 strcat(str, " MHz)");
230 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
232 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
236 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
239 uint16_t pcie_lstat, lspeed, lwidth;
242 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
243 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
244 lwidth = (pcie_lstat &
245 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
247 strcpy(str, "PCIe (");
249 strcat(str, "2.5Gb/s ");
251 strcat(str, "<unknown> ");
252 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
259 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
260 if (pci_bus == 0 || pci_bus == 8) {
262 strcat(str, pci_bus_modes[pci_bus >> 3]);
266 strcat(str, "Mode 2");
268 strcat(str, "Mode 1");
270 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
272 strcat(str, " MHz)");
278 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
282 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
283 ha->fw_minor_version,
284 ha->fw_subminor_version);
286 if (ha->fw_attributes & BIT_9) {
291 switch (ha->fw_attributes & 0xFF) {
305 sprintf(un_str, "(%x)", ha->fw_attributes);
309 if (ha->fw_attributes & 0x100)
316 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
318 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
319 ha->fw_minor_version,
320 ha->fw_subminor_version);
322 if (ha->fw_attributes & BIT_0)
323 strcat(str, "[Class 2] ");
324 if (ha->fw_attributes & BIT_1)
325 strcat(str, "[IP] ");
326 if (ha->fw_attributes & BIT_2)
327 strcat(str, "[Multi-ID] ");
328 if (ha->fw_attributes & BIT_13)
329 strcat(str, "[Experimental]");
333 static inline srb_t *
334 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
335 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
339 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
343 atomic_set(&sp->ref_count, 1);
348 CMD_SP(cmd) = (void *)sp;
349 cmd->scsi_done = done;
355 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
357 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
358 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
359 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
363 rval = fc_remote_port_chkready(rport);
366 goto qc_fail_command;
369 /* Close window on fcport/rport state-transitioning. */
370 if (!*(fc_port_t **)rport->dd_data) {
371 cmd->result = DID_IMM_RETRY << 16;
372 goto qc_fail_command;
375 if (atomic_read(&fcport->state) != FCS_ONLINE) {
376 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
377 atomic_read(&ha->loop_state) == LOOP_DEAD) {
378 cmd->result = DID_NO_CONNECT << 16;
379 goto qc_fail_command;
384 spin_unlock_irq(ha->host->host_lock);
386 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
388 goto qc_host_busy_lock;
390 rval = qla2x00_start_scsi(sp);
391 if (rval != QLA_SUCCESS)
392 goto qc_host_busy_free_sp;
394 spin_lock_irq(ha->host->host_lock);
398 qc_host_busy_free_sp:
399 qla2x00_sp_free_dma(ha, sp);
400 mempool_free(sp, ha->srb_mempool);
403 spin_lock_irq(ha->host->host_lock);
406 return SCSI_MLQUEUE_HOST_BUSY;
416 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
418 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
419 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
420 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
424 rval = fc_remote_port_chkready(rport);
427 goto qc24_fail_command;
430 /* Close window on fcport/rport state-transitioning. */
431 if (!*(fc_port_t **)rport->dd_data) {
432 cmd->result = DID_IMM_RETRY << 16;
433 goto qc24_fail_command;
436 if (atomic_read(&fcport->state) != FCS_ONLINE) {
437 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
438 atomic_read(&ha->loop_state) == LOOP_DEAD) {
439 cmd->result = DID_NO_CONNECT << 16;
440 goto qc24_fail_command;
445 spin_unlock_irq(ha->host->host_lock);
447 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
449 goto qc24_host_busy_lock;
451 rval = qla24xx_start_scsi(sp);
452 if (rval != QLA_SUCCESS)
453 goto qc24_host_busy_free_sp;
455 spin_lock_irq(ha->host->host_lock);
459 qc24_host_busy_free_sp:
460 qla2x00_sp_free_dma(ha, sp);
461 mempool_free(sp, ha->srb_mempool);
464 spin_lock_irq(ha->host->host_lock);
467 return SCSI_MLQUEUE_HOST_BUSY;
477 * qla2x00_eh_wait_on_command
478 * Waits for the command to be returned by the Firmware for some
482 * ha = actual ha whose done queue will contain the command
483 * returned by firmware.
484 * cmd = Scsi Command to wait on.
485 * flag = Abort/Reset(Bus or Device Reset)
492 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
494 #define ABORT_POLLING_PERIOD 1000
495 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
496 unsigned long wait_iter = ABORT_WAIT_ITER;
497 int ret = QLA_SUCCESS;
499 while (CMD_SP(cmd)) {
500 msleep(ABORT_POLLING_PERIOD);
506 ret = QLA_FUNCTION_FAILED;
512 * qla2x00_wait_for_hba_online
513 * Wait till the HBA is online after going through
514 * <= MAX_RETRIES_OF_ISP_ABORT or
515 * finally HBA is disabled ie marked offline
518 * ha - pointer to host adapter structure
521 * Does context switching-Release SPIN_LOCK
522 * (if any) before calling this routine.
525 * Success (Adapter is online) : 0
526 * Failed (Adapter is offline/disabled) : 1
529 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
532 unsigned long wait_online;
534 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
535 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
536 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
537 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
538 ha->dpc_active) && time_before(jiffies, wait_online)) {
542 if (ha->flags.online)
543 return_status = QLA_SUCCESS;
545 return_status = QLA_FUNCTION_FAILED;
547 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
549 return (return_status);
553 * qla2x00_wait_for_loop_ready
554 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
555 * to be in LOOP_READY state.
557 * ha - pointer to host adapter structure
560 * Does context switching-Release SPIN_LOCK
561 * (if any) before calling this routine.
565 * Success (LOOP_READY) : 0
566 * Failed (LOOP_NOT_READY) : 1
569 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
571 int return_status = QLA_SUCCESS;
572 unsigned long loop_timeout ;
574 /* wait for 5 min at the max for loop to be ready */
575 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
577 while ((!atomic_read(&ha->loop_down_timer) &&
578 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
579 atomic_read(&ha->loop_state) != LOOP_READY) {
581 if (time_after_eq(jiffies, loop_timeout)) {
582 return_status = QLA_FUNCTION_FAILED;
586 return (return_status);
589 /**************************************************************************
593 * The abort function will abort the specified command.
596 * cmd = Linux SCSI command packet to be aborted.
599 * Either SUCCESS or FAILED.
602 **************************************************************************/
604 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
606 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
609 unsigned int id, lun;
610 unsigned long serial;
618 id = cmd->device->id;
619 lun = cmd->device->lun;
620 serial = cmd->serial_number;
622 /* Check active list for command command. */
623 spin_lock_irqsave(&ha->hardware_lock, flags);
624 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
625 sp = ha->outstanding_cmds[i];
633 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
634 "sp->state=%x\n", __func__, ha->host_no, sp, serial,
636 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
638 spin_unlock_irqrestore(&ha->hardware_lock, flags);
639 if (ha->isp_ops.abort_command(ha, sp)) {
640 DEBUG2(printk("%s(%ld): abort_command "
641 "mbx failed.\n", __func__, ha->host_no));
643 DEBUG3(printk("%s(%ld): abort_command "
644 "mbx success.\n", __func__, ha->host_no));
647 spin_lock_irqsave(&ha->hardware_lock, flags);
651 spin_unlock_irqrestore(&ha->hardware_lock, flags);
653 /* Wait for the command to be returned. */
654 if (ret == SUCCESS) {
655 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
656 qla_printk(KERN_ERR, ha,
657 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
658 "%x.\n", ha->host_no, id, lun, serial, ret);
662 qla_printk(KERN_INFO, ha,
663 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
664 id, lun, serial, ret);
669 /**************************************************************************
670 * qla2x00_eh_wait_for_pending_target_commands
673 * Waits for all the commands to come back from the specified target.
676 * ha - pointer to scsi_qla_host structure.
679 * Either SUCCESS or FAILED.
682 **************************************************************************/
684 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
689 struct scsi_cmnd *cmd;
695 * Waiting for all commands for the designated target in the active
698 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
699 spin_lock_irqsave(&ha->hardware_lock, flags);
700 sp = ha->outstanding_cmds[cnt];
703 spin_unlock_irqrestore(&ha->hardware_lock, flags);
704 if (cmd->device->id == t) {
705 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
711 spin_unlock_irqrestore(&ha->hardware_lock, flags);
718 /**************************************************************************
719 * qla2xxx_eh_device_reset
722 * The device reset function will reset the target and abort any
723 * executing commands.
725 * NOTE: The use of SP is undefined within this context. Do *NOT*
726 * attempt to use this value, even if you determine it is
730 * cmd = Linux SCSI command packet of the command that cause the
734 * SUCCESS/FAILURE (defined as macro in scsi.h).
736 **************************************************************************/
738 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
740 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
741 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
744 unsigned int id, lun;
745 unsigned long serial;
749 id = cmd->device->id;
750 lun = cmd->device->lun;
751 serial = cmd->serial_number;
753 sp = (srb_t *) CMD_SP(cmd);
757 qla_printk(KERN_INFO, ha,
758 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
760 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
761 goto eh_dev_reset_done;
763 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
764 if (qla2x00_device_reset(ha, fcport) == 0)
767 #if defined(LOGOUT_AFTER_DEVICE_RESET)
768 if (ret == SUCCESS) {
769 if (fcport->flags & FC_FABRIC_DEVICE) {
770 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
771 qla2x00_mark_device_lost(ha, fcport, 0, 0);
776 DEBUG2(printk(KERN_INFO
777 "%s failed: loop not ready\n",__func__);)
781 DEBUG3(printk("%s(%ld): device reset failed\n",
782 __func__, ha->host_no));
783 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
786 goto eh_dev_reset_done;
789 /* Flush outstanding commands. */
790 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
793 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
794 __func__, ha->host_no));
795 qla_printk(KERN_INFO, ha,
796 "%s: failed while waiting for commands\n", __func__);
798 qla_printk(KERN_INFO, ha,
799 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
805 /**************************************************************************
806 * qla2x00_eh_wait_for_pending_commands
809 * Waits for all the commands to come back from the specified host.
812 * ha - pointer to scsi_qla_host structure.
819 **************************************************************************/
821 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
826 struct scsi_cmnd *cmd;
832 * Waiting for all commands for the designated target in the active
835 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
836 spin_lock_irqsave(&ha->hardware_lock, flags);
837 sp = ha->outstanding_cmds[cnt];
840 spin_unlock_irqrestore(&ha->hardware_lock, flags);
841 status = qla2x00_eh_wait_on_command(ha, cmd);
846 spin_unlock_irqrestore(&ha->hardware_lock, flags);
853 /**************************************************************************
854 * qla2xxx_eh_bus_reset
857 * The bus reset function will reset the bus and abort any executing
861 * cmd = Linux SCSI command packet of the command that cause the
865 * SUCCESS/FAILURE (defined as macro in scsi.h).
867 **************************************************************************/
869 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
871 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
872 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
875 unsigned int id, lun;
876 unsigned long serial;
880 id = cmd->device->id;
881 lun = cmd->device->lun;
882 serial = cmd->serial_number;
884 sp = (srb_t *) CMD_SP(cmd);
888 qla_printk(KERN_INFO, ha,
889 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
891 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
892 DEBUG2(printk("%s failed:board disabled\n",__func__));
893 goto eh_bus_reset_done;
896 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
897 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
901 goto eh_bus_reset_done;
903 /* Flush outstanding commands. */
904 if (!qla2x00_eh_wait_for_pending_commands(ha))
908 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
909 (ret == FAILED) ? "failed" : "succeded");
914 /**************************************************************************
915 * qla2xxx_eh_host_reset
918 * The reset function will reset the Adapter.
921 * cmd = Linux SCSI command packet of the command that cause the
925 * Either SUCCESS or FAILED.
928 **************************************************************************/
930 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
932 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
933 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
936 unsigned int id, lun;
937 unsigned long serial;
941 id = cmd->device->id;
942 lun = cmd->device->lun;
943 serial = cmd->serial_number;
945 sp = (srb_t *) CMD_SP(cmd);
949 qla_printk(KERN_INFO, ha,
950 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
952 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
953 goto eh_host_reset_lock;
956 * Fixme-may be dpc thread is active and processing
957 * loop_resync,so wait a while for it to
958 * be completed and then issue big hammer.Otherwise
959 * it may cause I/O failure as big hammer marks the
960 * devices as lost kicking of the port_down_timer
961 * while dpc is stuck for the mailbox to complete.
963 qla2x00_wait_for_loop_ready(ha);
964 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
965 if (qla2x00_abort_isp(ha)) {
966 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
967 /* failed. schedule dpc to try */
968 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
970 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
971 goto eh_host_reset_lock;
973 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
975 /* Waiting for our command in done_queue to be returned to OS.*/
976 if (qla2x00_eh_wait_for_pending_commands(ha))
980 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
981 (ret == FAILED) ? "failed" : "succeded");
991 * ha = adapter block pointer.
997 qla2x00_loop_reset(scsi_qla_host_t *ha)
999 int status = QLA_SUCCESS;
1000 struct fc_port *fcport;
1002 if (ha->flags.enable_lip_reset) {
1003 status = qla2x00_lip_reset(ha);
1006 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
1007 list_for_each_entry(fcport, &ha->fcports, list) {
1008 if (fcport->port_type != FCT_TARGET)
1011 status = qla2x00_device_reset(ha, fcport);
1012 if (status != QLA_SUCCESS)
1017 if (status == QLA_SUCCESS &&
1018 ((!ha->flags.enable_target_reset &&
1019 !ha->flags.enable_lip_reset) ||
1020 ha->flags.enable_lip_full_login)) {
1022 status = qla2x00_full_login_lip(ha);
1025 /* Issue marker command only when we are going to start the I/O */
1026 ha->marker_needed = 1;
1030 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1035 DEBUG3(printk("%s(%ld): exiting normally.\n",
1044 * qla2x00_device_reset
1045 * Issue bus device reset message to the target.
1048 * ha = adapter block pointer.
1050 * TARGET_QUEUE_LOCK must be released.
1051 * ADAPTER_STATE_LOCK must be released.
1057 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1059 /* Abort Target command will clear Reservation */
1060 return ha->isp_ops.abort_target(reset_fcport);
1064 qla2xxx_slave_alloc(struct scsi_device *sdev)
1066 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1068 if (!rport || fc_remote_port_chkready(rport))
1071 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1077 qla2xxx_slave_configure(struct scsi_device *sdev)
1079 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1080 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1082 if (sdev->tagged_supported)
1083 scsi_activate_tcq(sdev, 32);
1085 scsi_deactivate_tcq(sdev, 32);
1087 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1093 qla2xxx_slave_destroy(struct scsi_device *sdev)
1095 sdev->hostdata = NULL;
1099 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1101 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1102 return sdev->queue_depth;
1106 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1108 if (sdev->tagged_supported) {
1109 scsi_set_tag_type(sdev, tag_type);
1111 scsi_activate_tcq(sdev, sdev->queue_depth);
1113 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1121 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1124 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1125 * supported addressing method.
1128 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1130 /* Assume a 32bit DMA mask. */
1131 ha->flags.enable_64bit_addressing = 0;
1133 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1134 /* Any upper-dword bits set? */
1135 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1136 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1137 /* Ok, a 64bit DMA mask is applicable. */
1138 ha->flags.enable_64bit_addressing = 1;
1139 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1140 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1145 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1146 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1150 qla2x00_iospace_config(scsi_qla_host_t *ha)
1152 unsigned long pio, pio_len, pio_flags;
1153 unsigned long mmio, mmio_len, mmio_flags;
1155 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1156 pio = pci_resource_start(ha->pdev, 0);
1157 pio_len = pci_resource_len(ha->pdev, 0);
1158 pio_flags = pci_resource_flags(ha->pdev, 0);
1159 if (pio_flags & IORESOURCE_IO) {
1160 if (pio_len < MIN_IOBASE_LEN) {
1161 qla_printk(KERN_WARNING, ha,
1162 "Invalid PCI I/O region size (%s)...\n",
1163 pci_name(ha->pdev));
1167 qla_printk(KERN_WARNING, ha,
1168 "region #0 not a PIO resource (%s)...\n",
1169 pci_name(ha->pdev));
1173 /* Use MMIO operations for all accesses. */
1174 mmio = pci_resource_start(ha->pdev, 1);
1175 mmio_len = pci_resource_len(ha->pdev, 1);
1176 mmio_flags = pci_resource_flags(ha->pdev, 1);
1178 if (!(mmio_flags & IORESOURCE_MEM)) {
1179 qla_printk(KERN_ERR, ha,
1180 "region #0 not an MMIO resource (%s), aborting\n",
1181 pci_name(ha->pdev));
1182 goto iospace_error_exit;
1184 if (mmio_len < MIN_IOBASE_LEN) {
1185 qla_printk(KERN_ERR, ha,
1186 "Invalid PCI mem region size (%s), aborting\n",
1187 pci_name(ha->pdev));
1188 goto iospace_error_exit;
1191 if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) {
1192 qla_printk(KERN_WARNING, ha,
1193 "Failed to reserve PIO/MMIO regions (%s)\n",
1194 pci_name(ha->pdev));
1196 goto iospace_error_exit;
1199 ha->pio_address = pio;
1200 ha->pio_length = pio_len;
1201 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1203 qla_printk(KERN_ERR, ha,
1204 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1206 goto iospace_error_exit;
1216 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1218 unsigned long flags = 0;
1219 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1221 spin_lock_irqsave(&ha->hardware_lock, flags);
1222 ha->interrupts_on = 1;
1223 /* enable risc and host interrupts */
1224 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1225 RD_REG_WORD(®->ictrl);
1226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1231 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1233 unsigned long flags = 0;
1234 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1236 spin_lock_irqsave(&ha->hardware_lock, flags);
1237 ha->interrupts_on = 0;
1238 /* disable risc and host interrupts */
1239 WRT_REG_WORD(®->ictrl, 0);
1240 RD_REG_WORD(®->ictrl);
1241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1245 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1247 unsigned long flags = 0;
1248 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1250 spin_lock_irqsave(&ha->hardware_lock, flags);
1251 ha->interrupts_on = 1;
1252 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1253 RD_REG_DWORD(®->ictrl);
1254 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1258 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1260 unsigned long flags = 0;
1261 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1263 spin_lock_irqsave(&ha->hardware_lock, flags);
1264 ha->interrupts_on = 0;
1265 WRT_REG_DWORD(®->ictrl, 0);
1266 RD_REG_DWORD(®->ictrl);
1267 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1271 * PCI driver interface
1273 int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
1276 device_reg_t __iomem *reg;
1277 struct Scsi_Host *host;
1278 scsi_qla_host_t *ha;
1279 unsigned long flags = 0;
1280 unsigned long wait_switch = 0;
1284 struct scsi_host_template *sht;
1286 if (pci_enable_device(pdev))
1289 sht = &qla2x00_driver_template;
1290 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1291 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1292 sht = &qla24xx_driver_template;
1293 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1296 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1297 goto probe_disable_device;
1300 /* Clear our data area */
1301 ha = (scsi_qla_host_t *)host->hostdata;
1302 memset(ha, 0, sizeof(scsi_qla_host_t));
1306 ha->host_no = host->host_no;
1307 ha->brd_info = brd_info;
1308 sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no);
1310 /* Configure PCI I/O space */
1311 ret = qla2x00_iospace_config(ha);
1315 qla_printk(KERN_INFO, ha,
1316 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1319 spin_lock_init(&ha->hardware_lock);
1321 ha->prev_topology = 0;
1322 ha->ports = MAX_BUSES;
1323 ha->init_cb_size = sizeof(init_cb_t);
1324 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1325 ha->link_data_rate = LDR_UNKNOWN;
1326 ha->optrom_size = OPTROM_SIZE_2300;
1328 /* Assign ISP specific operations. */
1329 ha->isp_ops.pci_config = qla2100_pci_config;
1330 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1331 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1332 ha->isp_ops.config_rings = qla2x00_config_rings;
1333 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1334 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1335 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1336 ha->isp_ops.load_risc = qla2x00_load_risc;
1337 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1338 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1339 ha->isp_ops.intr_handler = qla2100_intr_handler;
1340 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1341 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1342 ha->isp_ops.abort_command = qla2x00_abort_command;
1343 ha->isp_ops.abort_target = qla2x00_abort_target;
1344 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1345 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1346 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1347 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1348 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1349 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1350 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1351 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1352 ha->isp_ops.fw_dump = qla2100_fw_dump;
1353 ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump;
1354 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1355 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1356 if (IS_QLA2100(ha)) {
1357 host->max_id = MAX_TARGETS_2100;
1358 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1359 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1360 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1361 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1362 host->sg_tablesize = 32;
1363 ha->gid_list_info_size = 4;
1364 } else if (IS_QLA2200(ha)) {
1365 host->max_id = MAX_TARGETS_2200;
1366 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1367 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1368 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1369 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1370 ha->gid_list_info_size = 4;
1371 } else if (IS_QLA23XX(ha)) {
1372 host->max_id = MAX_TARGETS_2200;
1373 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1374 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1375 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1376 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1377 ha->isp_ops.pci_config = qla2300_pci_config;
1378 ha->isp_ops.intr_handler = qla2300_intr_handler;
1379 ha->isp_ops.fw_dump = qla2300_fw_dump;
1380 ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump;
1381 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1382 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1383 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
1384 ha->gid_list_info_size = 6;
1385 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1386 ha->optrom_size = OPTROM_SIZE_2322;
1387 } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
1388 host->max_id = MAX_TARGETS_2200;
1389 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1390 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1391 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1392 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1393 ha->init_cb_size = sizeof(struct init_cb_24xx);
1394 ha->mgmt_svr_loop_id = 10;
1395 ha->isp_ops.pci_config = qla24xx_pci_config;
1396 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1397 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1398 ha->isp_ops.config_rings = qla24xx_config_rings;
1399 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1400 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1401 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1402 ha->isp_ops.load_risc = qla24xx_load_risc;
1403 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
1404 if (ql2xfwloadflash)
1405 ha->isp_ops.load_risc = qla24xx_load_risc_flash;
1407 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1408 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1409 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1410 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1411 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1412 ha->isp_ops.abort_command = qla24xx_abort_command;
1413 ha->isp_ops.abort_target = qla24xx_abort_target;
1414 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1415 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1416 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1417 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1418 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1419 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1420 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1421 ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump;
1422 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1423 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
1424 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1425 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1426 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
1427 ha->gid_list_info_size = 8;
1428 ha->optrom_size = OPTROM_SIZE_24XX;
1430 host->can_queue = ha->request_q_length + 128;
1432 /* load the F/W, read paramaters, and init the H/W */
1433 ha->instance = num_hosts;
1435 init_MUTEX(&ha->mbx_cmd_sem);
1436 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1438 INIT_LIST_HEAD(&ha->list);
1439 INIT_LIST_HEAD(&ha->fcports);
1440 INIT_LIST_HEAD(&ha->rscn_fcports);
1443 * These locks are used to prevent more than one CPU
1444 * from modifying the queue at the same time. The
1445 * higher level "host_lock" will reduce most
1446 * contention for these locks.
1448 spin_lock_init(&ha->mbx_reg_lock);
1450 qla2x00_config_dma_addressing(ha);
1451 if (qla2x00_mem_alloc(ha)) {
1452 qla_printk(KERN_WARNING, ha,
1453 "[ERROR] Failed to allocate memory for adapter\n");
1459 if (qla2x00_initialize_adapter(ha) &&
1460 !(ha->device_flags & DFLG_NO_CABLE)) {
1462 qla_printk(KERN_WARNING, ha,
1463 "Failed to initialize adapter\n");
1465 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1466 "Adapter flags %x.\n",
1467 ha->host_no, ha->device_flags));
1474 * Startup the kernel thread for this host adapter
1476 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1477 "%s_dpc", ha->host_str);
1478 if (IS_ERR(ha->dpc_thread)) {
1479 qla_printk(KERN_WARNING, ha,
1480 "Unable to start DPC thread!\n");
1481 ret = PTR_ERR(ha->dpc_thread);
1485 host->this_id = 255;
1486 host->cmd_per_lun = 3;
1487 host->unique_id = ha->instance;
1488 host->max_cmd_len = MAX_CMDSZ;
1489 host->max_channel = ha->ports - 1;
1490 host->max_lun = MAX_LUNS;
1491 host->transportt = qla2xxx_transport_template;
1493 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1494 SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
1496 qla_printk(KERN_WARNING, ha,
1497 "Failed to reserve interrupt %d already in use.\n",
1501 host->irq = pdev->irq;
1503 /* Initialized the timer */
1504 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1506 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1509 ha->isp_ops.disable_intrs(ha);
1511 spin_lock_irqsave(&ha->hardware_lock, flags);
1513 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
1514 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
1515 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
1517 WRT_REG_WORD(®->isp.semaphore, 0);
1518 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
1519 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
1521 /* Enable proper parity */
1522 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1525 WRT_REG_WORD(®->isp.hccr,
1526 (HCCR_ENABLE_PARITY + 0x1));
1528 /* SRAM, Instruction RAM and GP RAM parity */
1529 WRT_REG_WORD(®->isp.hccr,
1530 (HCCR_ENABLE_PARITY + 0x7));
1533 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1535 ha->isp_ops.enable_intrs(ha);
1539 * Wait around max loop_reset_delay secs for the devices to come
1540 * on-line. We don't want Linux scanning before we are ready.
1543 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1544 time_before(jiffies,wait_switch) &&
1545 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1546 && (ha->device_flags & SWITCH_FOUND) ;) {
1548 qla2x00_check_fabric_devices(ha);
1553 pci_set_drvdata(pdev, ha);
1554 ha->flags.init_done = 1;
1557 ret = scsi_add_host(host, &pdev->dev);
1561 qla2x00_alloc_sysfs_attr(ha);
1563 qla2x00_init_host_attr(ha);
1565 qla_printk(KERN_INFO, ha, "\n"
1566 " QLogic Fibre Channel HBA Driver: %s\n"
1568 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1569 qla2x00_version_str, ha->model_number,
1570 ha->model_desc ? ha->model_desc: "", pdev->device,
1571 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1572 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1573 ha->isp_ops.fw_version_str(ha, fw_str));
1575 /* Go with fc_rport registration. */
1576 list_for_each_entry(fcport, &ha->fcports, list)
1577 qla2x00_reg_remote_port(ha, fcport);
1582 qla2x00_free_device(ha);
1584 scsi_host_put(host);
1586 probe_disable_device:
1587 pci_disable_device(pdev);
1592 EXPORT_SYMBOL_GPL(qla2x00_probe_one);
1594 void qla2x00_remove_one(struct pci_dev *pdev)
1596 scsi_qla_host_t *ha;
1598 ha = pci_get_drvdata(pdev);
1600 qla2x00_free_sysfs_attr(ha);
1602 fc_remove_host(ha->host);
1604 scsi_remove_host(ha->host);
1606 qla2x00_free_device(ha);
1608 scsi_host_put(ha->host);
1610 pci_set_drvdata(pdev, NULL);
1612 EXPORT_SYMBOL_GPL(qla2x00_remove_one);
1615 qla2x00_free_device(scsi_qla_host_t *ha)
1617 /* Abort any outstanding IO descriptors. */
1618 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1619 qla2x00_cancel_io_descriptors(ha);
1622 if (ha->timer_active)
1623 qla2x00_stop_timer(ha);
1625 /* Kill the kernel thread for this host */
1626 if (ha->dpc_thread) {
1627 struct task_struct *t = ha->dpc_thread;
1630 * qla2xxx_wake_dpc checks for ->dpc_thread
1631 * so we need to zero it out.
1633 ha->dpc_thread = NULL;
1637 /* Stop currently executing firmware. */
1638 qla2x00_stop_firmware(ha);
1640 /* turn-off interrupts on the card */
1641 if (ha->interrupts_on)
1642 ha->isp_ops.disable_intrs(ha);
1644 qla2x00_mem_free(ha);
1646 ha->flags.online = 0;
1648 /* Detach interrupts */
1650 free_irq(ha->pdev->irq, ha);
1652 /* release io space registers */
1654 iounmap(ha->iobase);
1655 pci_release_regions(ha->pdev);
1657 pci_disable_device(ha->pdev);
1661 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1664 unsigned long flags;
1665 struct fc_rport *rport;
1670 rport = fcport->rport;
1672 spin_lock_irqsave(&fcport->rport_lock, flags);
1673 fcport->drport = rport;
1674 fcport->rport = NULL;
1675 *(fc_port_t **)rport->dd_data = NULL;
1676 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1677 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1679 spin_lock_irqsave(&fcport->rport_lock, flags);
1680 fcport->rport = NULL;
1681 *(fc_port_t **)rport->dd_data = NULL;
1682 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1683 fc_remote_port_delete(rport);
1688 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1690 * Input: ha = adapter block pointer. fcport = port structure pointer.
1696 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1697 int do_login, int defer)
1699 if (atomic_read(&fcport->state) == FCS_ONLINE)
1700 qla2x00_schedule_rport_del(ha, fcport, defer);
1703 * We may need to retry the login, so don't change the state of the
1704 * port but do the retries.
1706 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1707 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1712 if (fcport->login_retry == 0) {
1713 fcport->login_retry = ha->login_retry_count;
1714 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1716 DEBUG(printk("scsi(%ld): Port login retry: "
1717 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1718 "id = 0x%04x retry cnt=%d\n",
1720 fcport->port_name[0],
1721 fcport->port_name[1],
1722 fcport->port_name[2],
1723 fcport->port_name[3],
1724 fcport->port_name[4],
1725 fcport->port_name[5],
1726 fcport->port_name[6],
1727 fcport->port_name[7],
1729 fcport->login_retry));
1734 * qla2x00_mark_all_devices_lost
1735 * Updates fcport state when device goes offline.
1738 * ha = adapter block pointer.
1739 * fcport = port structure pointer.
1747 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1751 list_for_each_entry(fcport, &ha->fcports, list) {
1752 if (fcport->port_type != FCT_TARGET)
1756 * No point in marking the device as lost, if the device is
1759 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1761 if (atomic_read(&fcport->state) == FCS_ONLINE)
1762 qla2x00_schedule_rport_del(ha, fcport, defer);
1763 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1767 qla2xxx_wake_dpc(ha);
1772 * Allocates adapter memory.
1779 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1787 * This will loop only once if everything goes well, else some
1788 * number of retries will be performed to get around a kernel
1789 * bug where available mem is not allocated until after a
1790 * little delay and a retry.
1792 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1793 (ha->request_q_length + 1) * sizeof(request_t),
1794 &ha->request_dma, GFP_KERNEL);
1795 if (ha->request_ring == NULL) {
1796 qla_printk(KERN_WARNING, ha,
1797 "Memory Allocation failed - request_ring\n");
1799 qla2x00_mem_free(ha);
1805 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1806 (ha->response_q_length + 1) * sizeof(response_t),
1807 &ha->response_dma, GFP_KERNEL);
1808 if (ha->response_ring == NULL) {
1809 qla_printk(KERN_WARNING, ha,
1810 "Memory Allocation failed - response_ring\n");
1812 qla2x00_mem_free(ha);
1818 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1819 &ha->gid_list_dma, GFP_KERNEL);
1820 if (ha->gid_list == NULL) {
1821 qla_printk(KERN_WARNING, ha,
1822 "Memory Allocation failed - gid_list\n");
1824 qla2x00_mem_free(ha);
1830 ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev,
1831 sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL);
1832 if (ha->rlc_rsp == NULL) {
1833 qla_printk(KERN_WARNING, ha,
1834 "Memory Allocation failed - rlc");
1836 qla2x00_mem_free(ha);
1842 snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no);
1843 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1844 DMA_POOL_SIZE, 8, 0);
1845 if (ha->s_dma_pool == NULL) {
1846 qla_printk(KERN_WARNING, ha,
1847 "Memory Allocation failed - s_dma_pool\n");
1849 qla2x00_mem_free(ha);
1855 /* get consistent memory allocated for init control block */
1856 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1858 if (ha->init_cb == NULL) {
1859 qla_printk(KERN_WARNING, ha,
1860 "Memory Allocation failed - init_cb\n");
1862 qla2x00_mem_free(ha);
1867 memset(ha->init_cb, 0, ha->init_cb_size);
1869 /* Get consistent memory allocated for Get Port Database cmd */
1870 ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1871 &ha->iodesc_pd_dma);
1872 if (ha->iodesc_pd == NULL) {
1874 qla_printk(KERN_WARNING, ha,
1875 "Memory Allocation failed - iodesc_pd\n");
1877 qla2x00_mem_free(ha);
1882 memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE);
1884 /* Allocate ioctl related memory. */
1885 if (qla2x00_alloc_ioctl_mem(ha)) {
1886 qla_printk(KERN_WARNING, ha,
1887 "Memory Allocation failed - ioctl_mem\n");
1889 qla2x00_mem_free(ha);
1895 if (qla2x00_allocate_sp_pool(ha)) {
1896 qla_printk(KERN_WARNING, ha,
1897 "Memory Allocation failed - "
1898 "qla2x00_allocate_sp_pool()\n");
1900 qla2x00_mem_free(ha);
1906 /* Allocate memory for SNS commands */
1907 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1908 /* Get consistent memory allocated for SNS commands */
1909 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1910 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1912 if (ha->sns_cmd == NULL) {
1914 qla_printk(KERN_WARNING, ha,
1915 "Memory Allocation failed - sns_cmd\n");
1917 qla2x00_mem_free(ha);
1922 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1924 /* Get consistent memory allocated for MS IOCB */
1925 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1927 if (ha->ms_iocb == NULL) {
1929 qla_printk(KERN_WARNING, ha,
1930 "Memory Allocation failed - ms_iocb\n");
1932 qla2x00_mem_free(ha);
1937 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1940 * Get consistent memory allocated for CT SNS
1943 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1944 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1946 if (ha->ct_sns == NULL) {
1948 qla_printk(KERN_WARNING, ha,
1949 "Memory Allocation failed - ct_sns\n");
1951 qla2x00_mem_free(ha);
1956 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
1959 /* Done all allocations without any error. */
1962 } while (retry-- && status != 0);
1966 "%s(): **** FAILED ****\n", __func__);
1974 * Frees all adapter allocated memory.
1977 * ha = adapter block pointer.
1980 qla2x00_mem_free(scsi_qla_host_t *ha)
1982 struct list_head *fcpl, *fcptemp;
1987 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
1991 /* free ioctl memory */
1992 qla2x00_free_ioctl_mem(ha);
1995 qla2x00_free_sp_pool(ha);
1998 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
1999 ha->sns_cmd, ha->sns_cmd_dma);
2002 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2003 ha->ct_sns, ha->ct_sns_dma);
2006 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2009 dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma);
2012 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2015 dma_pool_destroy(ha->s_dma_pool);
2018 dma_free_coherent(&ha->pdev->dev,
2019 sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp,
2023 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2026 if (ha->response_ring)
2027 dma_free_coherent(&ha->pdev->dev,
2028 (ha->response_q_length + 1) * sizeof(response_t),
2029 ha->response_ring, ha->response_dma);
2031 if (ha->request_ring)
2032 dma_free_coherent(&ha->pdev->dev,
2033 (ha->request_q_length + 1) * sizeof(request_t),
2034 ha->request_ring, ha->request_dma);
2037 ha->sns_cmd_dma = 0;
2041 ha->ms_iocb_dma = 0;
2042 ha->iodesc_pd = NULL;
2043 ha->iodesc_pd_dma = 0;
2045 ha->init_cb_dma = 0;
2047 ha->s_dma_pool = NULL;
2050 ha->rlc_rsp_dma = 0;
2051 ha->gid_list = NULL;
2052 ha->gid_list_dma = 0;
2054 ha->response_ring = NULL;
2055 ha->response_dma = 0;
2056 ha->request_ring = NULL;
2057 ha->request_dma = 0;
2059 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2060 fcport = list_entry(fcpl, fc_port_t, list);
2063 list_del_init(&fcport->list);
2066 INIT_LIST_HEAD(&ha->fcports);
2069 free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
2071 vfree(ha->fw_dump24);
2073 vfree(ha->fw_dump_buffer);
2076 ha->fw_dump24 = NULL;
2078 ha->fw_dump_reading = 0;
2079 ha->fw_dump_buffer = NULL;
2081 vfree(ha->optrom_buffer);
2085 * qla2x00_allocate_sp_pool
2086 * This routine is called during initialization to allocate
2087 * memory for local srb_t.
2090 * ha = adapter block pointer.
2095 * Note: Sets the ref_count for non Null sp to one.
2098 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2103 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
2104 mempool_free_slab, srb_cachep);
2105 if (ha->srb_mempool == NULL) {
2106 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2107 rval = QLA_FUNCTION_FAILED;
2113 * This routine frees all adapter allocated memory.
2117 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2119 if (ha->srb_mempool) {
2120 mempool_destroy(ha->srb_mempool);
2121 ha->srb_mempool = NULL;
2125 /**************************************************************************
2127 * This kernel thread is a task that is schedule by the interrupt handler
2128 * to perform the background processing for interrupts.
2131 * This task always run in the context of a kernel thread. It
2132 * is kick-off by the driver's detect code and starts up
2133 * up one per adapter. It immediately goes to sleep and waits for
2134 * some fibre event. When either the interrupt handler or
2135 * the timer routine detects a event it will one of the task
2136 * bits then wake us up.
2137 **************************************************************************/
2139 qla2x00_do_dpc(void *data)
2141 scsi_qla_host_t *ha;
2144 uint16_t next_loopid;
2146 ha = (scsi_qla_host_t *)data;
2148 set_user_nice(current, -20);
2150 while (!kthread_should_stop()) {
2151 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2153 set_current_state(TASK_INTERRUPTIBLE);
2155 __set_current_state(TASK_RUNNING);
2157 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2159 /* Initialization not yet finished. Don't do anything yet. */
2160 if (!ha->flags.init_done)
2163 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2167 if (ha->flags.mbox_busy) {
2172 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2174 DEBUG(printk("scsi(%ld): dpc: sched "
2175 "qla2x00_abort_isp ha = %p\n",
2177 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2180 if (qla2x00_abort_isp(ha)) {
2181 /* failed. retry later */
2182 set_bit(ISP_ABORT_NEEDED,
2185 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2187 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2191 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2192 qla2x00_update_fcports(ha);
2194 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2195 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2197 qla2x00_loop_reset(ha);
2200 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2201 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2203 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2206 qla2x00_rst_aen(ha);
2207 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2210 /* Retry each device up to login retry count */
2211 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2212 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2213 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2215 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2219 list_for_each_entry(fcport, &ha->fcports, list) {
2220 if (fcport->port_type != FCT_TARGET)
2224 * If the port is not ONLINE then try to login
2225 * to it if we haven't run out of retries.
2227 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2228 fcport->login_retry) {
2230 fcport->login_retry--;
2231 if (fcport->flags & FCF_FABRIC_DEVICE) {
2234 ha->isp_ops.fabric_logout(
2235 ha, fcport->loop_id,
2236 fcport->d_id.b.domain,
2237 fcport->d_id.b.area,
2238 fcport->d_id.b.al_pa);
2239 status = qla2x00_fabric_login(
2240 ha, fcport, &next_loopid);
2243 qla2x00_local_device_login(
2244 ha, fcport->loop_id);
2246 if (status == QLA_SUCCESS) {
2247 fcport->old_loop_id = fcport->loop_id;
2249 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2250 ha->host_no, fcport->loop_id));
2252 qla2x00_update_fcport(ha,
2254 } else if (status == 1) {
2255 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2256 /* retry the login again */
2257 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2259 fcport->login_retry, fcport->loop_id));
2261 fcport->login_retry = 0;
2264 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2267 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2271 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2272 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2274 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2275 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2278 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2280 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2284 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2286 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2289 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2292 qla2x00_loop_resync(ha);
2294 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2297 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2301 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2303 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2306 qla2x00_rescan_fcports(ha);
2308 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2313 if (!ha->interrupts_on)
2314 ha->isp_ops.enable_intrs(ha);
2316 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2317 ha->isp_ops.beacon_blink(ha);
2320 } /* End of while(1) */
2322 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2325 * Make sure that nobody tries to wake us up again.
2333 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2336 wake_up_process(ha->dpc_thread);
2341 * Processes asynchronous reset.
2344 * ha = adapter block pointer.
2347 qla2x00_rst_aen(scsi_qla_host_t *ha)
2349 if (ha->flags.online && !ha->flags.reset_active &&
2350 !atomic_read(&ha->loop_down_timer) &&
2351 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2353 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2356 * Issue marker command only when we are going to start
2359 ha->marker_needed = 1;
2360 } while (!atomic_read(&ha->loop_down_timer) &&
2361 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2366 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2368 struct scsi_cmnd *cmd = sp->cmd;
2370 if (sp->flags & SRB_DMA_VALID) {
2372 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2373 cmd->use_sg, cmd->sc_data_direction);
2374 } else if (cmd->request_bufflen) {
2375 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2376 cmd->request_bufflen, cmd->sc_data_direction);
2378 sp->flags &= ~SRB_DMA_VALID;
2384 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2386 struct scsi_cmnd *cmd = sp->cmd;
2388 qla2x00_sp_free_dma(ha, sp);
2390 mempool_free(sp, ha->srb_mempool);
2392 cmd->scsi_done(cmd);
2395 /**************************************************************************
2401 * Context: Interrupt
2402 ***************************************************************************/
2404 qla2x00_timer(scsi_qla_host_t *ha)
2406 unsigned long cpu_flags = 0;
2414 * Ports - Port down timer.
2416 * Whenever, a port is in the LOST state we start decrementing its port
2417 * down timer every second until it reaches zero. Once it reaches zero
2418 * the port it marked DEAD.
2421 list_for_each_entry(fcport, &ha->fcports, list) {
2422 if (fcport->port_type != FCT_TARGET)
2425 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2427 if (atomic_read(&fcport->port_down_timer) == 0)
2430 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2431 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2433 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2436 t, atomic_read(&fcport->port_down_timer)));
2439 } /* End of for fcport */
2442 /* Loop down handler. */
2443 if (atomic_read(&ha->loop_down_timer) > 0 &&
2444 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2446 if (atomic_read(&ha->loop_down_timer) ==
2447 ha->loop_down_abort_time) {
2449 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2450 "queues before time expire\n",
2453 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2454 atomic_set(&ha->loop_state, LOOP_DEAD);
2456 /* Schedule an ISP abort to return any tape commands. */
2457 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2458 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2462 sp = ha->outstanding_cmds[index];
2466 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2469 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2472 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2474 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2478 /* if the loop has been down for 4 minutes, reinit adapter */
2479 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2480 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2481 "restarting queues.\n",
2484 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2487 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2488 DEBUG(printk("scsi(%ld): Loop down - "
2491 qla_printk(KERN_WARNING, ha,
2492 "Loop down - aborting ISP.\n");
2494 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2497 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2499 atomic_read(&ha->loop_down_timer)));
2502 /* Check if beacon LED needs to be blinked */
2503 if (ha->beacon_blink_led == 1) {
2504 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2508 /* Schedule the DPC routine if needed */
2509 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2510 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2511 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2512 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2514 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2515 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2516 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2517 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2518 qla2xxx_wake_dpc(ha);
2520 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2523 /* XXX(hch): crude hack to emulate a down_timeout() */
2525 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2527 const unsigned int step = 100; /* msecs */
2528 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2531 if (!down_trylock(sema))
2533 if (msleep_interruptible(step))
2535 } while (--iterations >= 0);
2540 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2542 #define qla2x00_release_firmware() do { } while (0)
2543 #define qla2x00_pci_module_init() (0)
2544 #define qla2x00_pci_module_exit() do { } while (0)
2546 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
2548 /* Firmware interface routines. */
2551 #define FW_ISP21XX 0
2552 #define FW_ISP22XX 1
2553 #define FW_ISP2300 2
2554 #define FW_ISP2322 3
2555 #define FW_ISP63XX 4
2556 #define FW_ISP24XX 5
2558 static DECLARE_MUTEX(qla_fw_lock);
2560 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2561 { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, },
2562 { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
2563 { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
2564 { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2565 { .name = "ql6312_fw.bin", .segs = { 0x800, 0 }, },
2566 { .name = "ql2400_fw.bin", },
2570 qla2x00_request_firmware(scsi_qla_host_t *ha)
2572 struct fw_blob *blob;
2575 if (IS_QLA2100(ha)) {
2576 blob = &qla_fw_blobs[FW_ISP21XX];
2577 } else if (IS_QLA2200(ha)) {
2578 blob = &qla_fw_blobs[FW_ISP22XX];
2579 } else if (IS_QLA2300(ha) || IS_QLA2312(ha)) {
2580 blob = &qla_fw_blobs[FW_ISP2300];
2581 } else if (IS_QLA2322(ha)) {
2582 blob = &qla_fw_blobs[FW_ISP2322];
2583 } else if (IS_QLA6312(ha) || IS_QLA6322(ha)) {
2584 blob = &qla_fw_blobs[FW_ISP63XX];
2585 } else if (IS_QLA24XX(ha)) {
2586 blob = &qla_fw_blobs[FW_ISP24XX];
2593 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2594 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2595 "(%s).\n", ha->host_no, blob->name));
2607 qla2x00_release_firmware(void)
2612 for (idx = 0; idx < FW_BLOBS; idx++)
2613 if (qla_fw_blobs[idx].fw)
2614 release_firmware(qla_fw_blobs[idx].fw);
2618 static struct qla_board_info qla_board_tbl = {
2619 .drv_name = "qla2xxx",
2622 static struct pci_device_id qla2xxx_pci_tbl[] = {
2623 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100,
2624 PCI_ANY_ID, PCI_ANY_ID, },
2625 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200,
2626 PCI_ANY_ID, PCI_ANY_ID, },
2627 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300,
2628 PCI_ANY_ID, PCI_ANY_ID, },
2629 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312,
2630 PCI_ANY_ID, PCI_ANY_ID, },
2631 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322,
2632 PCI_ANY_ID, PCI_ANY_ID, },
2633 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312,
2634 PCI_ANY_ID, PCI_ANY_ID, },
2635 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322,
2636 PCI_ANY_ID, PCI_ANY_ID, },
2637 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422,
2638 PCI_ANY_ID, PCI_ANY_ID, },
2639 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432,
2640 PCI_ANY_ID, PCI_ANY_ID, },
2643 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2645 static int __devinit
2646 qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2648 return qla2x00_probe_one(pdev, &qla_board_tbl);
2651 static void __devexit
2652 qla2xxx_remove_one(struct pci_dev *pdev)
2654 qla2x00_remove_one(pdev);
2657 static struct pci_driver qla2xxx_pci_driver = {
2660 .owner = THIS_MODULE,
2662 .id_table = qla2xxx_pci_tbl,
2663 .probe = qla2xxx_probe_one,
2664 .remove = __devexit_p(qla2xxx_remove_one),
2668 qla2x00_pci_module_init(void)
2670 return pci_module_init(&qla2xxx_pci_driver);
2674 qla2x00_pci_module_exit(void)
2676 pci_unregister_driver(&qla2xxx_pci_driver);
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 defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2701 strcat(qla2x00_version_str, "-fw");
2704 strcat(qla2x00_version_str, "-debug");
2706 qla2xxx_transport_template =
2707 fc_attach_transport(&qla2xxx_transport_functions);
2708 if (!qla2xxx_transport_template)
2711 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2712 ret = qla2x00_pci_module_init();
2714 kmem_cache_destroy(srb_cachep);
2715 fc_release_transport(qla2xxx_transport_template);
2721 * qla2x00_module_exit - Module cleanup.
2724 qla2x00_module_exit(void)
2726 qla2x00_pci_module_exit();
2727 qla2x00_release_firmware();
2728 kmem_cache_destroy(srb_cachep);
2729 fc_release_transport(qla2xxx_transport_template);
2732 module_init(qla2x00_module_init);
2733 module_exit(qla2x00_module_exit);
2735 MODULE_AUTHOR("QLogic Corporation");
2736 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2737 MODULE_LICENSE("GPL");
2738 MODULE_VERSION(QLA2XXX_VERSION);