2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsicam.h>
16 #include <scsi/scsi_transport.h>
17 #include <scsi/scsi_transport_fc.h>
22 char qla2x00_version_str[40];
25 * SRB allocation cache
27 static kmem_cache_t *srb_cachep;
30 * Ioctl related information.
34 int ql2xlogintimeout = 20;
35 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
36 MODULE_PARM_DESC(ql2xlogintimeout,
37 "Login timeout value in seconds.");
39 int qlport_down_retry = 30;
40 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
41 MODULE_PARM_DESC(qlport_down_retry,
42 "Maximum number of command retries to a port that returns"
43 "a PORT-DOWN status.");
45 int ql2xplogiabsentdevice;
46 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
47 MODULE_PARM_DESC(ql2xplogiabsentdevice,
48 "Option to enable PLOGI to devices that are not present after "
49 "a Fabric scan. This is needed for several broken switches."
50 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
52 int ql2xloginretrycount = 0;
53 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xloginretrycount,
55 "Specify an alternate value for the NVRAM login retry count.");
57 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
59 module_param(ql2xfwloadflash, int, S_IRUGO|S_IRUSR);
60 MODULE_PARM_DESC(ql2xfwloadflash,
61 "Load ISP24xx firmware image from FLASH (onboard memory).");
64 static void qla2x00_free_device(scsi_qla_host_t *);
66 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
69 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xfdmienable,
71 "Enables FDMI registratons "
72 "Default is 0 - no FDMI. 1 - perfom FDMI.");
75 module_param(ql2xprocessrscn, int, S_IRUGO|S_IRUSR);
76 MODULE_PARM_DESC(ql2xprocessrscn,
77 "Option to enable port RSCN handling via a series of less"
78 "fabric intrusive ADISCs and PLOGIs.");
81 * SCSI host template entry points
83 static int qla2xxx_slave_configure(struct scsi_device * device);
84 static int qla2xxx_slave_alloc(struct scsi_device *);
85 static void qla2xxx_slave_destroy(struct scsi_device *);
86 static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
87 void (*fn)(struct scsi_cmnd *));
88 static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
89 void (*fn)(struct scsi_cmnd *));
90 static int qla2xxx_eh_abort(struct scsi_cmnd *);
91 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
92 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
93 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
94 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
95 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
97 static int qla2x00_change_queue_depth(struct scsi_device *, int);
98 static int qla2x00_change_queue_type(struct scsi_device *, int);
100 static struct scsi_host_template qla2x00_driver_template = {
101 .module = THIS_MODULE,
103 .queuecommand = qla2x00_queuecommand,
105 .eh_abort_handler = qla2xxx_eh_abort,
106 .eh_device_reset_handler = qla2xxx_eh_device_reset,
107 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
108 .eh_host_reset_handler = qla2xxx_eh_host_reset,
110 .slave_configure = qla2xxx_slave_configure,
112 .slave_alloc = qla2xxx_slave_alloc,
113 .slave_destroy = qla2xxx_slave_destroy,
114 .change_queue_depth = qla2x00_change_queue_depth,
115 .change_queue_type = qla2x00_change_queue_type,
118 .use_clustering = ENABLE_CLUSTERING,
119 .sg_tablesize = SG_ALL,
122 * The RISC allows for each command to transfer (2^32-1) bytes of data,
123 * which equates to 0x800000 sectors.
125 .max_sectors = 0xFFFF,
126 .shost_attrs = qla2x00_host_attrs,
129 static struct scsi_host_template qla24xx_driver_template = {
130 .module = THIS_MODULE,
132 .queuecommand = qla24xx_queuecommand,
134 .eh_abort_handler = qla2xxx_eh_abort,
135 .eh_device_reset_handler = qla2xxx_eh_device_reset,
136 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
137 .eh_host_reset_handler = qla2xxx_eh_host_reset,
139 .slave_configure = qla2xxx_slave_configure,
141 .slave_alloc = qla2xxx_slave_alloc,
142 .slave_destroy = qla2xxx_slave_destroy,
143 .change_queue_depth = qla2x00_change_queue_depth,
144 .change_queue_type = qla2x00_change_queue_type,
147 .use_clustering = ENABLE_CLUSTERING,
148 .sg_tablesize = SG_ALL,
150 .max_sectors = 0xFFFF,
151 .shost_attrs = qla2x00_host_attrs,
154 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
156 /* TODO Convert to inlines
160 #define WATCH_INTERVAL 1 /* number of seconds */
162 static void qla2x00_timer(scsi_qla_host_t *);
164 static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
165 void *, unsigned long);
166 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
167 static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
170 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
172 init_timer(&ha->timer);
173 ha->timer.expires = jiffies + interval * HZ;
174 ha->timer.data = (unsigned long)ha;
175 ha->timer.function = (void (*)(unsigned long))func;
176 add_timer(&ha->timer);
177 ha->timer_active = 1;
181 qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
183 mod_timer(&ha->timer, jiffies + interval * HZ);
186 static __inline__ void
187 qla2x00_stop_timer(scsi_qla_host_t *ha)
189 del_timer_sync(&ha->timer);
190 ha->timer_active = 0;
193 static int qla2x00_do_dpc(void *data);
195 static void qla2x00_rst_aen(scsi_qla_host_t *);
197 static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
198 static void qla2x00_mem_free(scsi_qla_host_t *ha);
199 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
200 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
201 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
202 void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
204 /* -------------------------------------------------------------------------- */
207 qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
209 static char *pci_bus_modes[] = {
210 "33", "66", "100", "133",
215 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
218 strcat(str, pci_bus_modes[pci_bus]);
220 pci_bus = (ha->pci_attr & BIT_8) >> 8;
222 strcat(str, pci_bus_modes[pci_bus]);
224 strcat(str, " MHz)");
230 qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
232 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
236 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
239 uint16_t pcie_lstat, lspeed, lwidth;
242 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
243 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
244 lwidth = (pcie_lstat &
245 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
247 strcpy(str, "PCIe (");
249 strcat(str, "2.5Gb/s ");
251 strcat(str, "<unknown> ");
252 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
259 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
260 if (pci_bus == 0 || pci_bus == 8) {
262 strcat(str, pci_bus_modes[pci_bus >> 3]);
266 strcat(str, "Mode 2");
268 strcat(str, "Mode 1");
270 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
272 strcat(str, " MHz)");
278 qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
282 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
283 ha->fw_minor_version,
284 ha->fw_subminor_version);
286 if (ha->fw_attributes & BIT_9) {
291 switch (ha->fw_attributes & 0xFF) {
305 sprintf(un_str, "(%x)", ha->fw_attributes);
309 if (ha->fw_attributes & 0x100)
316 qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
318 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
319 ha->fw_minor_version,
320 ha->fw_subminor_version);
322 if (ha->fw_attributes & BIT_0)
323 strcat(str, "[Class 2] ");
324 if (ha->fw_attributes & BIT_1)
325 strcat(str, "[IP] ");
326 if (ha->fw_attributes & BIT_2)
327 strcat(str, "[Multi-ID] ");
328 if (ha->fw_attributes & BIT_13)
329 strcat(str, "[Experimental]");
333 static inline srb_t *
334 qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
335 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
339 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
343 atomic_set(&sp->ref_count, 1);
348 CMD_SP(cmd) = (void *)sp;
349 cmd->scsi_done = done;
355 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
357 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
358 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
359 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
363 rval = fc_remote_port_chkready(rport);
366 goto qc_fail_command;
369 /* Close window on fcport/rport state-transitioning. */
370 if (!*(fc_port_t **)rport->dd_data) {
371 cmd->result = DID_IMM_RETRY << 16;
372 goto qc_fail_command;
375 if (atomic_read(&fcport->state) != FCS_ONLINE) {
376 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
377 atomic_read(&ha->loop_state) == LOOP_DEAD) {
378 cmd->result = DID_NO_CONNECT << 16;
379 goto qc_fail_command;
384 spin_unlock_irq(ha->host->host_lock);
386 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
388 goto qc_host_busy_lock;
390 rval = qla2x00_start_scsi(sp);
391 if (rval != QLA_SUCCESS)
392 goto qc_host_busy_free_sp;
394 spin_lock_irq(ha->host->host_lock);
398 qc_host_busy_free_sp:
399 qla2x00_sp_free_dma(ha, sp);
400 mempool_free(sp, ha->srb_mempool);
403 spin_lock_irq(ha->host->host_lock);
406 return SCSI_MLQUEUE_HOST_BUSY;
416 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
418 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
419 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
420 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
424 rval = fc_remote_port_chkready(rport);
427 goto qc24_fail_command;
430 /* Close window on fcport/rport state-transitioning. */
431 if (!*(fc_port_t **)rport->dd_data) {
432 cmd->result = DID_IMM_RETRY << 16;
433 goto qc24_fail_command;
436 if (atomic_read(&fcport->state) != FCS_ONLINE) {
437 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
438 atomic_read(&ha->loop_state) == LOOP_DEAD) {
439 cmd->result = DID_NO_CONNECT << 16;
440 goto qc24_fail_command;
445 spin_unlock_irq(ha->host->host_lock);
447 sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
449 goto qc24_host_busy_lock;
451 rval = qla24xx_start_scsi(sp);
452 if (rval != QLA_SUCCESS)
453 goto qc24_host_busy_free_sp;
455 spin_lock_irq(ha->host->host_lock);
459 qc24_host_busy_free_sp:
460 qla2x00_sp_free_dma(ha, sp);
461 mempool_free(sp, ha->srb_mempool);
464 spin_lock_irq(ha->host->host_lock);
467 return SCSI_MLQUEUE_HOST_BUSY;
477 * qla2x00_eh_wait_on_command
478 * Waits for the command to be returned by the Firmware for some
482 * ha = actual ha whose done queue will contain the command
483 * returned by firmware.
484 * cmd = Scsi Command to wait on.
485 * flag = Abort/Reset(Bus or Device Reset)
492 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
494 #define ABORT_POLLING_PERIOD 1000
495 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
496 unsigned long wait_iter = ABORT_WAIT_ITER;
497 int ret = QLA_SUCCESS;
499 while (CMD_SP(cmd)) {
500 msleep(ABORT_POLLING_PERIOD);
506 ret = QLA_FUNCTION_FAILED;
512 * qla2x00_wait_for_hba_online
513 * Wait till the HBA is online after going through
514 * <= MAX_RETRIES_OF_ISP_ABORT or
515 * finally HBA is disabled ie marked offline
518 * ha - pointer to host adapter structure
521 * Does context switching-Release SPIN_LOCK
522 * (if any) before calling this routine.
525 * Success (Adapter is online) : 0
526 * Failed (Adapter is offline/disabled) : 1
529 qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
532 unsigned long wait_online;
534 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
535 while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
536 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
537 test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
538 ha->dpc_active) && time_before(jiffies, wait_online)) {
542 if (ha->flags.online)
543 return_status = QLA_SUCCESS;
545 return_status = QLA_FUNCTION_FAILED;
547 DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
549 return (return_status);
553 * qla2x00_wait_for_loop_ready
554 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
555 * to be in LOOP_READY state.
557 * ha - pointer to host adapter structure
560 * Does context switching-Release SPIN_LOCK
561 * (if any) before calling this routine.
565 * Success (LOOP_READY) : 0
566 * Failed (LOOP_NOT_READY) : 1
569 qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
571 int return_status = QLA_SUCCESS;
572 unsigned long loop_timeout ;
574 /* wait for 5 min at the max for loop to be ready */
575 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
577 while ((!atomic_read(&ha->loop_down_timer) &&
578 atomic_read(&ha->loop_state) == LOOP_DOWN) ||
579 atomic_read(&ha->loop_state) != LOOP_READY) {
581 if (time_after_eq(jiffies, loop_timeout)) {
582 return_status = QLA_FUNCTION_FAILED;
586 return (return_status);
589 /**************************************************************************
593 * The abort function will abort the specified command.
596 * cmd = Linux SCSI command packet to be aborted.
599 * Either SUCCESS or FAILED.
602 **************************************************************************/
604 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
606 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
609 unsigned int id, lun;
610 unsigned long serial;
618 id = cmd->device->id;
619 lun = cmd->device->lun;
620 serial = cmd->serial_number;
622 /* Check active list for command command. */
623 spin_lock_irqsave(&ha->hardware_lock, flags);
624 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
625 sp = ha->outstanding_cmds[i];
633 DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
634 "sp->state=%x\n", __func__, ha->host_no, sp, serial,
636 DEBUG3(qla2x00_print_scsi_cmd(cmd);)
638 spin_unlock_irqrestore(&ha->hardware_lock, flags);
639 if (ha->isp_ops.abort_command(ha, sp)) {
640 DEBUG2(printk("%s(%ld): abort_command "
641 "mbx failed.\n", __func__, ha->host_no));
643 DEBUG3(printk("%s(%ld): abort_command "
644 "mbx success.\n", __func__, ha->host_no));
647 spin_lock_irqsave(&ha->hardware_lock, flags);
651 spin_unlock_irqrestore(&ha->hardware_lock, flags);
653 /* Wait for the command to be returned. */
654 if (ret == SUCCESS) {
655 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
656 qla_printk(KERN_ERR, ha,
657 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
658 "%x.\n", ha->host_no, id, lun, serial, ret);
662 qla_printk(KERN_INFO, ha,
663 "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
664 id, lun, serial, ret);
669 /**************************************************************************
670 * qla2x00_eh_wait_for_pending_target_commands
673 * Waits for all the commands to come back from the specified target.
676 * ha - pointer to scsi_qla_host structure.
679 * Either SUCCESS or FAILED.
682 **************************************************************************/
684 qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
689 struct scsi_cmnd *cmd;
695 * Waiting for all commands for the designated target in the active
698 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
699 spin_lock_irqsave(&ha->hardware_lock, flags);
700 sp = ha->outstanding_cmds[cnt];
703 spin_unlock_irqrestore(&ha->hardware_lock, flags);
704 if (cmd->device->id == t) {
705 if (!qla2x00_eh_wait_on_command(ha, cmd)) {
711 spin_unlock_irqrestore(&ha->hardware_lock, flags);
718 /**************************************************************************
719 * qla2xxx_eh_device_reset
722 * The device reset function will reset the target and abort any
723 * executing commands.
725 * NOTE: The use of SP is undefined within this context. Do *NOT*
726 * attempt to use this value, even if you determine it is
730 * cmd = Linux SCSI command packet of the command that cause the
734 * SUCCESS/FAILURE (defined as macro in scsi.h).
736 **************************************************************************/
738 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
740 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
741 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
744 unsigned int id, lun;
745 unsigned long serial;
749 id = cmd->device->id;
750 lun = cmd->device->lun;
751 serial = cmd->serial_number;
753 sp = (srb_t *) CMD_SP(cmd);
757 qla_printk(KERN_INFO, ha,
758 "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
760 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
761 goto eh_dev_reset_done;
763 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
764 if (qla2x00_device_reset(ha, fcport) == 0)
767 #if defined(LOGOUT_AFTER_DEVICE_RESET)
768 if (ret == SUCCESS) {
769 if (fcport->flags & FC_FABRIC_DEVICE) {
770 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
771 qla2x00_mark_device_lost(ha, fcport, 0, 0);
776 DEBUG2(printk(KERN_INFO
777 "%s failed: loop not ready\n",__func__);)
781 DEBUG3(printk("%s(%ld): device reset failed\n",
782 __func__, ha->host_no));
783 qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
786 goto eh_dev_reset_done;
789 /* Flush outstanding commands. */
790 if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
793 DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
794 __func__, ha->host_no));
795 qla_printk(KERN_INFO, ha,
796 "%s: failed while waiting for commands\n", __func__);
798 qla_printk(KERN_INFO, ha,
799 "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
805 /**************************************************************************
806 * qla2x00_eh_wait_for_pending_commands
809 * Waits for all the commands to come back from the specified host.
812 * ha - pointer to scsi_qla_host structure.
819 **************************************************************************/
821 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
826 struct scsi_cmnd *cmd;
832 * Waiting for all commands for the designated target in the active
835 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
836 spin_lock_irqsave(&ha->hardware_lock, flags);
837 sp = ha->outstanding_cmds[cnt];
840 spin_unlock_irqrestore(&ha->hardware_lock, flags);
841 status = qla2x00_eh_wait_on_command(ha, cmd);
846 spin_unlock_irqrestore(&ha->hardware_lock, flags);
853 /**************************************************************************
854 * qla2xxx_eh_bus_reset
857 * The bus reset function will reset the bus and abort any executing
861 * cmd = Linux SCSI command packet of the command that cause the
865 * SUCCESS/FAILURE (defined as macro in scsi.h).
867 **************************************************************************/
869 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
871 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
872 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
875 unsigned int id, lun;
876 unsigned long serial;
880 id = cmd->device->id;
881 lun = cmd->device->lun;
882 serial = cmd->serial_number;
884 sp = (srb_t *) CMD_SP(cmd);
888 qla_printk(KERN_INFO, ha,
889 "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
891 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
892 DEBUG2(printk("%s failed:board disabled\n",__func__));
893 goto eh_bus_reset_done;
896 if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
897 if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
901 goto eh_bus_reset_done;
903 /* Flush outstanding commands. */
904 if (!qla2x00_eh_wait_for_pending_commands(ha))
908 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
909 (ret == FAILED) ? "failed" : "succeded");
914 /**************************************************************************
915 * qla2xxx_eh_host_reset
918 * The reset function will reset the Adapter.
921 * cmd = Linux SCSI command packet of the command that cause the
925 * Either SUCCESS or FAILED.
928 **************************************************************************/
930 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
932 scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
933 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
936 unsigned int id, lun;
937 unsigned long serial;
941 id = cmd->device->id;
942 lun = cmd->device->lun;
943 serial = cmd->serial_number;
945 sp = (srb_t *) CMD_SP(cmd);
949 qla_printk(KERN_INFO, ha,
950 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
952 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
953 goto eh_host_reset_lock;
956 * Fixme-may be dpc thread is active and processing
957 * loop_resync,so wait a while for it to
958 * be completed and then issue big hammer.Otherwise
959 * it may cause I/O failure as big hammer marks the
960 * devices as lost kicking of the port_down_timer
961 * while dpc is stuck for the mailbox to complete.
963 qla2x00_wait_for_loop_ready(ha);
964 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
965 if (qla2x00_abort_isp(ha)) {
966 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
967 /* failed. schedule dpc to try */
968 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
970 if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
971 goto eh_host_reset_lock;
973 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
975 /* Waiting for our command in done_queue to be returned to OS.*/
976 if (qla2x00_eh_wait_for_pending_commands(ha))
980 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
981 (ret == FAILED) ? "failed" : "succeded");
991 * ha = adapter block pointer.
997 qla2x00_loop_reset(scsi_qla_host_t *ha)
999 int status = QLA_SUCCESS;
1000 struct fc_port *fcport;
1002 if (ha->flags.enable_lip_reset) {
1003 status = qla2x00_lip_reset(ha);
1006 if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
1007 list_for_each_entry(fcport, &ha->fcports, list) {
1008 if (fcport->port_type != FCT_TARGET)
1011 status = qla2x00_device_reset(ha, fcport);
1012 if (status != QLA_SUCCESS)
1017 if (status == QLA_SUCCESS &&
1018 ((!ha->flags.enable_target_reset &&
1019 !ha->flags.enable_lip_reset) ||
1020 ha->flags.enable_lip_full_login)) {
1022 status = qla2x00_full_login_lip(ha);
1025 /* Issue marker command only when we are going to start the I/O */
1026 ha->marker_needed = 1;
1030 DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
1035 DEBUG3(printk("%s(%ld): exiting normally.\n",
1044 * qla2x00_device_reset
1045 * Issue bus device reset message to the target.
1048 * ha = adapter block pointer.
1050 * TARGET_QUEUE_LOCK must be released.
1051 * ADAPTER_STATE_LOCK must be released.
1057 qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
1059 /* Abort Target command will clear Reservation */
1060 return ha->isp_ops.abort_target(reset_fcport);
1064 qla2xxx_slave_alloc(struct scsi_device *sdev)
1066 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1068 if (!rport || fc_remote_port_chkready(rport))
1071 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1077 qla2xxx_slave_configure(struct scsi_device *sdev)
1079 scsi_qla_host_t *ha = to_qla_host(sdev->host);
1080 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1082 if (sdev->tagged_supported)
1083 scsi_activate_tcq(sdev, 32);
1085 scsi_deactivate_tcq(sdev, 32);
1087 rport->dev_loss_tmo = ha->port_down_retry_count + 5;
1093 qla2xxx_slave_destroy(struct scsi_device *sdev)
1095 sdev->hostdata = NULL;
1099 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
1101 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1102 return sdev->queue_depth;
1106 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1108 if (sdev->tagged_supported) {
1109 scsi_set_tag_type(sdev, tag_type);
1111 scsi_activate_tcq(sdev, sdev->queue_depth);
1113 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1121 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1124 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1125 * supported addressing method.
1128 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
1130 /* Assume a 32bit DMA mask. */
1131 ha->flags.enable_64bit_addressing = 0;
1133 if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
1134 /* Any upper-dword bits set? */
1135 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1136 !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
1137 /* Ok, a 64bit DMA mask is applicable. */
1138 ha->flags.enable_64bit_addressing = 1;
1139 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
1140 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
1145 dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
1146 pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
1150 qla2x00_set_isp_flags(scsi_qla_host_t *ha)
1152 ha->device_type = DT_EXTENDED_IDS;
1153 switch (ha->pdev->device) {
1154 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1155 ha->device_type |= DT_ISP2100;
1156 ha->device_type &= ~DT_EXTENDED_IDS;
1158 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1159 ha->device_type |= DT_ISP2200;
1160 ha->device_type &= ~DT_EXTENDED_IDS;
1162 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1163 ha->device_type |= DT_ISP2300;
1165 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1166 ha->device_type |= DT_ISP2312;
1168 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1169 ha->device_type |= DT_ISP2322;
1170 if (ha->pdev->subsystem_vendor == 0x1028 &&
1171 ha->pdev->subsystem_device == 0x0170)
1172 ha->device_type |= DT_OEM_001;
1174 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1175 ha->device_type |= DT_ISP6312;
1177 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1178 ha->device_type |= DT_ISP6322;
1180 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1181 ha->device_type |= DT_ISP2422;
1183 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1184 ha->device_type |= DT_ISP2432;
1186 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1187 ha->device_type |= DT_ISP5422;
1189 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1190 ha->device_type |= DT_ISP5432;
1196 qla2x00_iospace_config(scsi_qla_host_t *ha)
1198 unsigned long pio, pio_len, pio_flags;
1199 unsigned long mmio, mmio_len, mmio_flags;
1201 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1202 pio = pci_resource_start(ha->pdev, 0);
1203 pio_len = pci_resource_len(ha->pdev, 0);
1204 pio_flags = pci_resource_flags(ha->pdev, 0);
1205 if (pio_flags & IORESOURCE_IO) {
1206 if (pio_len < MIN_IOBASE_LEN) {
1207 qla_printk(KERN_WARNING, ha,
1208 "Invalid PCI I/O region size (%s)...\n",
1209 pci_name(ha->pdev));
1213 qla_printk(KERN_WARNING, ha,
1214 "region #0 not a PIO resource (%s)...\n",
1215 pci_name(ha->pdev));
1219 /* Use MMIO operations for all accesses. */
1220 mmio = pci_resource_start(ha->pdev, 1);
1221 mmio_len = pci_resource_len(ha->pdev, 1);
1222 mmio_flags = pci_resource_flags(ha->pdev, 1);
1224 if (!(mmio_flags & IORESOURCE_MEM)) {
1225 qla_printk(KERN_ERR, ha,
1226 "region #0 not an MMIO resource (%s), aborting\n",
1227 pci_name(ha->pdev));
1228 goto iospace_error_exit;
1230 if (mmio_len < MIN_IOBASE_LEN) {
1231 qla_printk(KERN_ERR, ha,
1232 "Invalid PCI mem region size (%s), aborting\n",
1233 pci_name(ha->pdev));
1234 goto iospace_error_exit;
1237 if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) {
1238 qla_printk(KERN_WARNING, ha,
1239 "Failed to reserve PIO/MMIO regions (%s)\n",
1240 pci_name(ha->pdev));
1242 goto iospace_error_exit;
1245 ha->pio_address = pio;
1246 ha->pio_length = pio_len;
1247 ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
1249 qla_printk(KERN_ERR, ha,
1250 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1252 goto iospace_error_exit;
1262 qla2x00_enable_intrs(scsi_qla_host_t *ha)
1264 unsigned long flags = 0;
1265 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1267 spin_lock_irqsave(&ha->hardware_lock, flags);
1268 ha->interrupts_on = 1;
1269 /* enable risc and host interrupts */
1270 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1271 RD_REG_WORD(®->ictrl);
1272 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1277 qla2x00_disable_intrs(scsi_qla_host_t *ha)
1279 unsigned long flags = 0;
1280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1282 spin_lock_irqsave(&ha->hardware_lock, flags);
1283 ha->interrupts_on = 0;
1284 /* disable risc and host interrupts */
1285 WRT_REG_WORD(®->ictrl, 0);
1286 RD_REG_WORD(®->ictrl);
1287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1291 qla24xx_enable_intrs(scsi_qla_host_t *ha)
1293 unsigned long flags = 0;
1294 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1296 spin_lock_irqsave(&ha->hardware_lock, flags);
1297 ha->interrupts_on = 1;
1298 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1299 RD_REG_DWORD(®->ictrl);
1300 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304 qla24xx_disable_intrs(scsi_qla_host_t *ha)
1306 unsigned long flags = 0;
1307 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1309 spin_lock_irqsave(&ha->hardware_lock, flags);
1310 ha->interrupts_on = 0;
1311 WRT_REG_DWORD(®->ictrl, 0);
1312 RD_REG_DWORD(®->ictrl);
1313 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1317 * PCI driver interface
1319 int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
1322 device_reg_t __iomem *reg;
1323 struct Scsi_Host *host;
1324 scsi_qla_host_t *ha;
1325 unsigned long flags = 0;
1326 unsigned long wait_switch = 0;
1330 struct scsi_host_template *sht;
1332 if (pci_enable_device(pdev))
1335 sht = &qla2x00_driver_template;
1336 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1337 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432)
1338 sht = &qla24xx_driver_template;
1339 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
1342 "qla2xxx: Couldn't allocate host from scsi layer!\n");
1343 goto probe_disable_device;
1346 /* Clear our data area */
1347 ha = (scsi_qla_host_t *)host->hostdata;
1348 memset(ha, 0, sizeof(scsi_qla_host_t));
1352 ha->host_no = host->host_no;
1353 ha->brd_info = brd_info;
1354 sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no);
1356 /* Set ISP-type information. */
1357 qla2x00_set_isp_flags(ha);
1359 /* Configure PCI I/O space */
1360 ret = qla2x00_iospace_config(ha);
1364 qla_printk(KERN_INFO, ha,
1365 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1368 spin_lock_init(&ha->hardware_lock);
1370 ha->prev_topology = 0;
1371 ha->ports = MAX_BUSES;
1372 ha->init_cb_size = sizeof(init_cb_t);
1373 ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
1374 ha->link_data_rate = LDR_UNKNOWN;
1375 ha->optrom_size = OPTROM_SIZE_2300;
1377 /* Assign ISP specific operations. */
1378 ha->isp_ops.pci_config = qla2100_pci_config;
1379 ha->isp_ops.reset_chip = qla2x00_reset_chip;
1380 ha->isp_ops.chip_diag = qla2x00_chip_diag;
1381 ha->isp_ops.config_rings = qla2x00_config_rings;
1382 ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
1383 ha->isp_ops.nvram_config = qla2x00_nvram_config;
1384 ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
1385 ha->isp_ops.load_risc = qla2x00_load_risc;
1386 ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
1387 ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
1388 ha->isp_ops.intr_handler = qla2100_intr_handler;
1389 ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
1390 ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
1391 ha->isp_ops.abort_command = qla2x00_abort_command;
1392 ha->isp_ops.abort_target = qla2x00_abort_target;
1393 ha->isp_ops.fabric_login = qla2x00_login_fabric;
1394 ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
1395 ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
1396 ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
1397 ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
1398 ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
1399 ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
1400 ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
1401 ha->isp_ops.fw_dump = qla2100_fw_dump;
1402 ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump;
1403 ha->isp_ops.read_optrom = qla2x00_read_optrom_data;
1404 ha->isp_ops.write_optrom = qla2x00_write_optrom_data;
1405 if (IS_QLA2100(ha)) {
1406 host->max_id = MAX_TARGETS_2100;
1407 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1408 ha->request_q_length = REQUEST_ENTRY_CNT_2100;
1409 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1410 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1411 host->sg_tablesize = 32;
1412 ha->gid_list_info_size = 4;
1413 } else if (IS_QLA2200(ha)) {
1414 host->max_id = MAX_TARGETS_2200;
1415 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1416 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1417 ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
1418 ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
1419 ha->gid_list_info_size = 4;
1420 } else if (IS_QLA23XX(ha)) {
1421 host->max_id = MAX_TARGETS_2200;
1422 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1423 ha->request_q_length = REQUEST_ENTRY_CNT_2200;
1424 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1425 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1426 ha->isp_ops.pci_config = qla2300_pci_config;
1427 ha->isp_ops.intr_handler = qla2300_intr_handler;
1428 ha->isp_ops.fw_dump = qla2300_fw_dump;
1429 ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump;
1430 ha->isp_ops.beacon_on = qla2x00_beacon_on;
1431 ha->isp_ops.beacon_off = qla2x00_beacon_off;
1432 ha->isp_ops.beacon_blink = qla2x00_beacon_blink;
1433 ha->gid_list_info_size = 6;
1434 if (IS_QLA2322(ha) || IS_QLA6322(ha))
1435 ha->optrom_size = OPTROM_SIZE_2322;
1436 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1437 host->max_id = MAX_TARGETS_2200;
1438 ha->mbx_count = MAILBOX_REGISTER_COUNT;
1439 ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
1440 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
1441 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
1442 ha->init_cb_size = sizeof(struct init_cb_24xx);
1443 ha->mgmt_svr_loop_id = 10;
1444 ha->isp_ops.pci_config = qla24xx_pci_config;
1445 ha->isp_ops.reset_chip = qla24xx_reset_chip;
1446 ha->isp_ops.chip_diag = qla24xx_chip_diag;
1447 ha->isp_ops.config_rings = qla24xx_config_rings;
1448 ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
1449 ha->isp_ops.nvram_config = qla24xx_nvram_config;
1450 ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
1451 ha->isp_ops.load_risc = qla24xx_load_risc;
1452 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
1453 if (ql2xfwloadflash)
1454 ha->isp_ops.load_risc = qla24xx_load_risc_flash;
1456 ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
1457 ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
1458 ha->isp_ops.intr_handler = qla24xx_intr_handler;
1459 ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
1460 ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
1461 ha->isp_ops.abort_command = qla24xx_abort_command;
1462 ha->isp_ops.abort_target = qla24xx_abort_target;
1463 ha->isp_ops.fabric_login = qla24xx_login_fabric;
1464 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
1465 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
1466 ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
1467 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
1468 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
1469 ha->isp_ops.fw_dump = qla24xx_fw_dump;
1470 ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump;
1471 ha->isp_ops.read_optrom = qla24xx_read_optrom_data;
1472 ha->isp_ops.write_optrom = qla24xx_write_optrom_data;
1473 ha->isp_ops.beacon_on = qla24xx_beacon_on;
1474 ha->isp_ops.beacon_off = qla24xx_beacon_off;
1475 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
1476 ha->gid_list_info_size = 8;
1477 ha->optrom_size = OPTROM_SIZE_24XX;
1479 host->can_queue = ha->request_q_length + 128;
1481 /* load the F/W, read paramaters, and init the H/W */
1482 ha->instance = num_hosts;
1484 init_MUTEX(&ha->mbx_cmd_sem);
1485 init_MUTEX_LOCKED(&ha->mbx_intr_sem);
1487 INIT_LIST_HEAD(&ha->list);
1488 INIT_LIST_HEAD(&ha->fcports);
1489 INIT_LIST_HEAD(&ha->rscn_fcports);
1492 * These locks are used to prevent more than one CPU
1493 * from modifying the queue at the same time. The
1494 * higher level "host_lock" will reduce most
1495 * contention for these locks.
1497 spin_lock_init(&ha->mbx_reg_lock);
1499 qla2x00_config_dma_addressing(ha);
1500 if (qla2x00_mem_alloc(ha)) {
1501 qla_printk(KERN_WARNING, ha,
1502 "[ERROR] Failed to allocate memory for adapter\n");
1508 if (qla2x00_initialize_adapter(ha) &&
1509 !(ha->device_flags & DFLG_NO_CABLE)) {
1511 qla_printk(KERN_WARNING, ha,
1512 "Failed to initialize adapter\n");
1514 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
1515 "Adapter flags %x.\n",
1516 ha->host_no, ha->device_flags));
1523 * Startup the kernel thread for this host adapter
1525 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
1526 "%s_dpc", ha->host_str);
1527 if (IS_ERR(ha->dpc_thread)) {
1528 qla_printk(KERN_WARNING, ha,
1529 "Unable to start DPC thread!\n");
1530 ret = PTR_ERR(ha->dpc_thread);
1534 host->this_id = 255;
1535 host->cmd_per_lun = 3;
1536 host->unique_id = ha->instance;
1537 host->max_cmd_len = MAX_CMDSZ;
1538 host->max_channel = ha->ports - 1;
1539 host->max_lun = MAX_LUNS;
1540 host->transportt = qla2xxx_transport_template;
1542 ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
1543 SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
1545 qla_printk(KERN_WARNING, ha,
1546 "Failed to reserve interrupt %d already in use.\n",
1550 host->irq = pdev->irq;
1552 /* Initialized the timer */
1553 qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
1555 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
1558 ha->isp_ops.disable_intrs(ha);
1560 spin_lock_irqsave(&ha->hardware_lock, flags);
1562 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1563 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
1564 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
1566 WRT_REG_WORD(®->isp.semaphore, 0);
1567 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
1568 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
1570 /* Enable proper parity */
1571 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1574 WRT_REG_WORD(®->isp.hccr,
1575 (HCCR_ENABLE_PARITY + 0x1));
1577 /* SRAM, Instruction RAM and GP RAM parity */
1578 WRT_REG_WORD(®->isp.hccr,
1579 (HCCR_ENABLE_PARITY + 0x7));
1582 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1584 ha->isp_ops.enable_intrs(ha);
1588 * Wait around max loop_reset_delay secs for the devices to come
1589 * on-line. We don't want Linux scanning before we are ready.
1592 for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
1593 time_before(jiffies,wait_switch) &&
1594 !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
1595 && (ha->device_flags & SWITCH_FOUND) ;) {
1597 qla2x00_check_fabric_devices(ha);
1602 pci_set_drvdata(pdev, ha);
1603 ha->flags.init_done = 1;
1606 ret = scsi_add_host(host, &pdev->dev);
1610 qla2x00_alloc_sysfs_attr(ha);
1612 qla2x00_init_host_attr(ha);
1614 qla_printk(KERN_INFO, ha, "\n"
1615 " QLogic Fibre Channel HBA Driver: %s\n"
1617 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
1618 qla2x00_version_str, ha->model_number,
1619 ha->model_desc ? ha->model_desc: "", pdev->device,
1620 ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev),
1621 ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no,
1622 ha->isp_ops.fw_version_str(ha, fw_str));
1624 /* Go with fc_rport registration. */
1625 list_for_each_entry(fcport, &ha->fcports, list)
1626 qla2x00_reg_remote_port(ha, fcport);
1631 qla2x00_free_device(ha);
1633 scsi_host_put(host);
1635 probe_disable_device:
1636 pci_disable_device(pdev);
1641 EXPORT_SYMBOL_GPL(qla2x00_probe_one);
1643 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);
1661 EXPORT_SYMBOL_GPL(qla2x00_remove_one);
1664 qla2x00_free_device(scsi_qla_host_t *ha)
1666 /* Abort any outstanding IO descriptors. */
1667 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1668 qla2x00_cancel_io_descriptors(ha);
1671 if (ha->timer_active)
1672 qla2x00_stop_timer(ha);
1674 /* Kill the kernel thread for this host */
1675 if (ha->dpc_thread) {
1676 struct task_struct *t = ha->dpc_thread;
1679 * qla2xxx_wake_dpc checks for ->dpc_thread
1680 * so we need to zero it out.
1682 ha->dpc_thread = NULL;
1686 /* Stop currently executing firmware. */
1687 qla2x00_stop_firmware(ha);
1689 /* turn-off interrupts on the card */
1690 if (ha->interrupts_on)
1691 ha->isp_ops.disable_intrs(ha);
1693 qla2x00_mem_free(ha);
1695 ha->flags.online = 0;
1697 /* Detach interrupts */
1699 free_irq(ha->pdev->irq, ha);
1701 /* release io space registers */
1703 iounmap(ha->iobase);
1704 pci_release_regions(ha->pdev);
1706 pci_disable_device(ha->pdev);
1710 qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
1713 unsigned long flags;
1714 struct fc_rport *rport;
1719 rport = fcport->rport;
1721 spin_lock_irqsave(&fcport->rport_lock, flags);
1722 fcport->drport = rport;
1723 fcport->rport = NULL;
1724 *(fc_port_t **)rport->dd_data = NULL;
1725 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1726 set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
1728 spin_lock_irqsave(&fcport->rport_lock, flags);
1729 fcport->rport = NULL;
1730 *(fc_port_t **)rport->dd_data = NULL;
1731 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1732 fc_remote_port_delete(rport);
1737 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
1739 * Input: ha = adapter block pointer. fcport = port structure pointer.
1745 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
1746 int do_login, int defer)
1748 if (atomic_read(&fcport->state) == FCS_ONLINE)
1749 qla2x00_schedule_rport_del(ha, fcport, defer);
1752 * We may need to retry the login, so don't change the state of the
1753 * port but do the retries.
1755 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
1756 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1761 if (fcport->login_retry == 0) {
1762 fcport->login_retry = ha->login_retry_count;
1763 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
1765 DEBUG(printk("scsi(%ld): Port login retry: "
1766 "%02x%02x%02x%02x%02x%02x%02x%02x, "
1767 "id = 0x%04x retry cnt=%d\n",
1769 fcport->port_name[0],
1770 fcport->port_name[1],
1771 fcport->port_name[2],
1772 fcport->port_name[3],
1773 fcport->port_name[4],
1774 fcport->port_name[5],
1775 fcport->port_name[6],
1776 fcport->port_name[7],
1778 fcport->login_retry));
1783 * qla2x00_mark_all_devices_lost
1784 * Updates fcport state when device goes offline.
1787 * ha = adapter block pointer.
1788 * fcport = port structure pointer.
1796 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
1800 list_for_each_entry(fcport, &ha->fcports, list) {
1801 if (fcport->port_type != FCT_TARGET)
1805 * No point in marking the device as lost, if the device is
1808 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
1810 if (atomic_read(&fcport->state) == FCS_ONLINE)
1811 qla2x00_schedule_rport_del(ha, fcport, defer);
1812 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1816 qla2xxx_wake_dpc(ha);
1821 * Allocates adapter memory.
1828 qla2x00_mem_alloc(scsi_qla_host_t *ha)
1836 * This will loop only once if everything goes well, else some
1837 * number of retries will be performed to get around a kernel
1838 * bug where available mem is not allocated until after a
1839 * little delay and a retry.
1841 ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
1842 (ha->request_q_length + 1) * sizeof(request_t),
1843 &ha->request_dma, GFP_KERNEL);
1844 if (ha->request_ring == NULL) {
1845 qla_printk(KERN_WARNING, ha,
1846 "Memory Allocation failed - request_ring\n");
1848 qla2x00_mem_free(ha);
1854 ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
1855 (ha->response_q_length + 1) * sizeof(response_t),
1856 &ha->response_dma, GFP_KERNEL);
1857 if (ha->response_ring == NULL) {
1858 qla_printk(KERN_WARNING, ha,
1859 "Memory Allocation failed - response_ring\n");
1861 qla2x00_mem_free(ha);
1867 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
1868 &ha->gid_list_dma, GFP_KERNEL);
1869 if (ha->gid_list == NULL) {
1870 qla_printk(KERN_WARNING, ha,
1871 "Memory Allocation failed - gid_list\n");
1873 qla2x00_mem_free(ha);
1879 ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev,
1880 sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL);
1881 if (ha->rlc_rsp == NULL) {
1882 qla_printk(KERN_WARNING, ha,
1883 "Memory Allocation failed - rlc");
1885 qla2x00_mem_free(ha);
1891 snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no);
1892 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
1893 DMA_POOL_SIZE, 8, 0);
1894 if (ha->s_dma_pool == NULL) {
1895 qla_printk(KERN_WARNING, ha,
1896 "Memory Allocation failed - s_dma_pool\n");
1898 qla2x00_mem_free(ha);
1904 /* get consistent memory allocated for init control block */
1905 ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1907 if (ha->init_cb == NULL) {
1908 qla_printk(KERN_WARNING, ha,
1909 "Memory Allocation failed - init_cb\n");
1911 qla2x00_mem_free(ha);
1916 memset(ha->init_cb, 0, ha->init_cb_size);
1918 /* Get consistent memory allocated for Get Port Database cmd */
1919 ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1920 &ha->iodesc_pd_dma);
1921 if (ha->iodesc_pd == NULL) {
1923 qla_printk(KERN_WARNING, ha,
1924 "Memory Allocation failed - iodesc_pd\n");
1926 qla2x00_mem_free(ha);
1931 memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE);
1933 /* Allocate ioctl related memory. */
1934 if (qla2x00_alloc_ioctl_mem(ha)) {
1935 qla_printk(KERN_WARNING, ha,
1936 "Memory Allocation failed - ioctl_mem\n");
1938 qla2x00_mem_free(ha);
1944 if (qla2x00_allocate_sp_pool(ha)) {
1945 qla_printk(KERN_WARNING, ha,
1946 "Memory Allocation failed - "
1947 "qla2x00_allocate_sp_pool()\n");
1949 qla2x00_mem_free(ha);
1955 /* Allocate memory for SNS commands */
1956 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1957 /* Get consistent memory allocated for SNS commands */
1958 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
1959 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
1961 if (ha->sns_cmd == NULL) {
1963 qla_printk(KERN_WARNING, ha,
1964 "Memory Allocation failed - sns_cmd\n");
1966 qla2x00_mem_free(ha);
1971 memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
1973 /* Get consistent memory allocated for MS IOCB */
1974 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
1976 if (ha->ms_iocb == NULL) {
1978 qla_printk(KERN_WARNING, ha,
1979 "Memory Allocation failed - ms_iocb\n");
1981 qla2x00_mem_free(ha);
1986 memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
1989 * Get consistent memory allocated for CT SNS
1992 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
1993 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
1995 if (ha->ct_sns == NULL) {
1997 qla_printk(KERN_WARNING, ha,
1998 "Memory Allocation failed - ct_sns\n");
2000 qla2x00_mem_free(ha);
2005 memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
2008 /* Done all allocations without any error. */
2011 } while (retry-- && status != 0);
2015 "%s(): **** FAILED ****\n", __func__);
2023 * Frees all adapter allocated memory.
2026 * ha = adapter block pointer.
2029 qla2x00_mem_free(scsi_qla_host_t *ha)
2031 struct list_head *fcpl, *fcptemp;
2036 DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
2040 /* free ioctl memory */
2041 qla2x00_free_ioctl_mem(ha);
2044 qla2x00_free_sp_pool(ha);
2047 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2048 ha->sns_cmd, ha->sns_cmd_dma);
2051 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2052 ha->ct_sns, ha->ct_sns_dma);
2055 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2058 dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma);
2061 dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
2064 dma_pool_destroy(ha->s_dma_pool);
2067 dma_free_coherent(&ha->pdev->dev,
2068 sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp,
2072 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2075 if (ha->response_ring)
2076 dma_free_coherent(&ha->pdev->dev,
2077 (ha->response_q_length + 1) * sizeof(response_t),
2078 ha->response_ring, ha->response_dma);
2080 if (ha->request_ring)
2081 dma_free_coherent(&ha->pdev->dev,
2082 (ha->request_q_length + 1) * sizeof(request_t),
2083 ha->request_ring, ha->request_dma);
2086 ha->sns_cmd_dma = 0;
2090 ha->ms_iocb_dma = 0;
2091 ha->iodesc_pd = NULL;
2092 ha->iodesc_pd_dma = 0;
2094 ha->init_cb_dma = 0;
2096 ha->s_dma_pool = NULL;
2099 ha->rlc_rsp_dma = 0;
2100 ha->gid_list = NULL;
2101 ha->gid_list_dma = 0;
2103 ha->response_ring = NULL;
2104 ha->response_dma = 0;
2105 ha->request_ring = NULL;
2106 ha->request_dma = 0;
2108 list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
2109 fcport = list_entry(fcpl, fc_port_t, list);
2112 list_del_init(&fcport->list);
2115 INIT_LIST_HEAD(&ha->fcports);
2118 free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
2120 vfree(ha->fw_dump24);
2122 vfree(ha->fw_dump_buffer);
2125 ha->fw_dump24 = NULL;
2127 ha->fw_dump_reading = 0;
2128 ha->fw_dump_buffer = NULL;
2130 vfree(ha->optrom_buffer);
2134 * qla2x00_allocate_sp_pool
2135 * This routine is called during initialization to allocate
2136 * memory for local srb_t.
2139 * ha = adapter block pointer.
2144 * Note: Sets the ref_count for non Null sp to one.
2147 qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
2152 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
2153 mempool_free_slab, srb_cachep);
2154 if (ha->srb_mempool == NULL) {
2155 qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
2156 rval = QLA_FUNCTION_FAILED;
2162 * This routine frees all adapter allocated memory.
2166 qla2x00_free_sp_pool( scsi_qla_host_t *ha)
2168 if (ha->srb_mempool) {
2169 mempool_destroy(ha->srb_mempool);
2170 ha->srb_mempool = NULL;
2174 /**************************************************************************
2176 * This kernel thread is a task that is schedule by the interrupt handler
2177 * to perform the background processing for interrupts.
2180 * This task always run in the context of a kernel thread. It
2181 * is kick-off by the driver's detect code and starts up
2182 * up one per adapter. It immediately goes to sleep and waits for
2183 * some fibre event. When either the interrupt handler or
2184 * the timer routine detects a event it will one of the task
2185 * bits then wake us up.
2186 **************************************************************************/
2188 qla2x00_do_dpc(void *data)
2190 scsi_qla_host_t *ha;
2193 uint16_t next_loopid;
2195 ha = (scsi_qla_host_t *)data;
2197 set_user_nice(current, -20);
2199 while (!kthread_should_stop()) {
2200 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
2202 set_current_state(TASK_INTERRUPTIBLE);
2204 __set_current_state(TASK_RUNNING);
2206 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
2208 /* Initialization not yet finished. Don't do anything yet. */
2209 if (!ha->flags.init_done)
2212 DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
2216 if (ha->flags.mbox_busy) {
2221 if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2223 DEBUG(printk("scsi(%ld): dpc: sched "
2224 "qla2x00_abort_isp ha = %p\n",
2226 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
2229 if (qla2x00_abort_isp(ha)) {
2230 /* failed. retry later */
2231 set_bit(ISP_ABORT_NEEDED,
2234 clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
2236 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
2240 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
2241 qla2x00_update_fcports(ha);
2243 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
2244 DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
2246 qla2x00_loop_reset(ha);
2249 if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
2250 (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
2252 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
2255 qla2x00_rst_aen(ha);
2256 clear_bit(RESET_ACTIVE, &ha->dpc_flags);
2259 /* Retry each device up to login retry count */
2260 if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
2261 !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
2262 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2264 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
2268 list_for_each_entry(fcport, &ha->fcports, list) {
2269 if (fcport->port_type != FCT_TARGET)
2273 * If the port is not ONLINE then try to login
2274 * to it if we haven't run out of retries.
2276 if (atomic_read(&fcport->state) != FCS_ONLINE &&
2277 fcport->login_retry) {
2279 fcport->login_retry--;
2280 if (fcport->flags & FCF_FABRIC_DEVICE) {
2283 ha->isp_ops.fabric_logout(
2284 ha, fcport->loop_id,
2285 fcport->d_id.b.domain,
2286 fcport->d_id.b.area,
2287 fcport->d_id.b.al_pa);
2288 status = qla2x00_fabric_login(
2289 ha, fcport, &next_loopid);
2292 qla2x00_local_device_login(
2293 ha, fcport->loop_id);
2295 if (status == QLA_SUCCESS) {
2296 fcport->old_loop_id = fcport->loop_id;
2298 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
2299 ha->host_no, fcport->loop_id));
2301 qla2x00_update_fcport(ha,
2303 } else if (status == 1) {
2304 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
2305 /* retry the login again */
2306 DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
2308 fcport->login_retry, fcport->loop_id));
2310 fcport->login_retry = 0;
2313 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2316 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
2320 if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
2321 atomic_read(&ha->loop_state) != LOOP_DOWN) {
2323 clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
2324 DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
2327 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2329 DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
2333 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2335 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
2338 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
2341 qla2x00_loop_resync(ha);
2343 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
2346 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
2350 if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
2352 DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
2355 qla2x00_rescan_fcports(ha);
2357 DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
2362 if (!ha->interrupts_on)
2363 ha->isp_ops.enable_intrs(ha);
2365 if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
2366 ha->isp_ops.beacon_blink(ha);
2369 } /* End of while(1) */
2371 DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
2374 * Make sure that nobody tries to wake us up again.
2382 qla2xxx_wake_dpc(scsi_qla_host_t *ha)
2385 wake_up_process(ha->dpc_thread);
2390 * Processes asynchronous reset.
2393 * ha = adapter block pointer.
2396 qla2x00_rst_aen(scsi_qla_host_t *ha)
2398 if (ha->flags.online && !ha->flags.reset_active &&
2399 !atomic_read(&ha->loop_down_timer) &&
2400 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
2402 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
2405 * Issue marker command only when we are going to start
2408 ha->marker_needed = 1;
2409 } while (!atomic_read(&ha->loop_down_timer) &&
2410 (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
2415 qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
2417 struct scsi_cmnd *cmd = sp->cmd;
2419 if (sp->flags & SRB_DMA_VALID) {
2421 dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
2422 cmd->use_sg, cmd->sc_data_direction);
2423 } else if (cmd->request_bufflen) {
2424 dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
2425 cmd->request_bufflen, cmd->sc_data_direction);
2427 sp->flags &= ~SRB_DMA_VALID;
2433 qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
2435 struct scsi_cmnd *cmd = sp->cmd;
2437 qla2x00_sp_free_dma(ha, sp);
2439 mempool_free(sp, ha->srb_mempool);
2441 cmd->scsi_done(cmd);
2444 /**************************************************************************
2450 * Context: Interrupt
2451 ***************************************************************************/
2453 qla2x00_timer(scsi_qla_host_t *ha)
2455 unsigned long cpu_flags = 0;
2463 * Ports - Port down timer.
2465 * Whenever, a port is in the LOST state we start decrementing its port
2466 * down timer every second until it reaches zero. Once it reaches zero
2467 * the port it marked DEAD.
2470 list_for_each_entry(fcport, &ha->fcports, list) {
2471 if (fcport->port_type != FCT_TARGET)
2474 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2476 if (atomic_read(&fcport->port_down_timer) == 0)
2479 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
2480 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2482 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
2485 t, atomic_read(&fcport->port_down_timer)));
2488 } /* End of for fcport */
2491 /* Loop down handler. */
2492 if (atomic_read(&ha->loop_down_timer) > 0 &&
2493 !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
2495 if (atomic_read(&ha->loop_down_timer) ==
2496 ha->loop_down_abort_time) {
2498 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
2499 "queues before time expire\n",
2502 if (!IS_QLA2100(ha) && ha->link_down_timeout)
2503 atomic_set(&ha->loop_state, LOOP_DEAD);
2505 /* Schedule an ISP abort to return any tape commands. */
2506 spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
2507 for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
2511 sp = ha->outstanding_cmds[index];
2515 if (!(sfcp->flags & FCF_TAPE_PRESENT))
2518 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2521 spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
2523 set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
2527 /* if the loop has been down for 4 minutes, reinit adapter */
2528 if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
2529 DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
2530 "restarting queues.\n",
2533 set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
2536 if (!(ha->device_flags & DFLG_NO_CABLE)) {
2537 DEBUG(printk("scsi(%ld): Loop down - "
2540 qla_printk(KERN_WARNING, ha,
2541 "Loop down - aborting ISP.\n");
2543 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2546 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
2548 atomic_read(&ha->loop_down_timer)));
2551 /* Check if beacon LED needs to be blinked */
2552 if (ha->beacon_blink_led == 1) {
2553 set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags);
2557 /* Schedule the DPC routine if needed */
2558 if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
2559 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
2560 test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
2561 test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
2563 test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
2564 test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
2565 test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
2566 test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
2567 qla2xxx_wake_dpc(ha);
2569 qla2x00_restart_timer(ha, WATCH_INTERVAL);
2572 /* XXX(hch): crude hack to emulate a down_timeout() */
2574 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
2576 const unsigned int step = 100; /* msecs */
2577 unsigned int iterations = jiffies_to_msecs(timeout)/100;
2580 if (!down_trylock(sema))
2582 if (msleep_interruptible(step))
2584 } while (--iterations >= 0);
2589 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2591 #define qla2x00_release_firmware() do { } while (0)
2592 #define qla2x00_pci_module_init() (0)
2593 #define qla2x00_pci_module_exit() do { } while (0)
2595 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
2597 /* Firmware interface routines. */
2600 #define FW_ISP21XX 0
2601 #define FW_ISP22XX 1
2602 #define FW_ISP2300 2
2603 #define FW_ISP2322 3
2604 #define FW_ISP63XX 4
2605 #define FW_ISP24XX 5
2607 static DECLARE_MUTEX(qla_fw_lock);
2609 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
2610 { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, },
2611 { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, },
2612 { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, },
2613 { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
2614 { .name = "ql6312_fw.bin", .segs = { 0x800, 0 }, },
2615 { .name = "ql2400_fw.bin", },
2619 qla2x00_request_firmware(scsi_qla_host_t *ha)
2621 struct fw_blob *blob;
2624 if (IS_QLA2100(ha)) {
2625 blob = &qla_fw_blobs[FW_ISP21XX];
2626 } else if (IS_QLA2200(ha)) {
2627 blob = &qla_fw_blobs[FW_ISP22XX];
2628 } else if (IS_QLA2300(ha) || IS_QLA2312(ha)) {
2629 blob = &qla_fw_blobs[FW_ISP2300];
2630 } else if (IS_QLA2322(ha)) {
2631 blob = &qla_fw_blobs[FW_ISP2322];
2632 } else if (IS_QLA6312(ha) || IS_QLA6322(ha)) {
2633 blob = &qla_fw_blobs[FW_ISP63XX];
2634 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
2635 blob = &qla_fw_blobs[FW_ISP24XX];
2642 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
2643 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
2644 "(%s).\n", ha->host_no, blob->name));
2656 qla2x00_release_firmware(void)
2661 for (idx = 0; idx < FW_BLOBS; idx++)
2662 if (qla_fw_blobs[idx].fw)
2663 release_firmware(qla_fw_blobs[idx].fw);
2667 static struct qla_board_info qla_board_tbl = {
2668 .drv_name = "qla2xxx",
2671 static struct pci_device_id qla2xxx_pci_tbl[] = {
2672 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100,
2673 PCI_ANY_ID, PCI_ANY_ID, },
2674 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200,
2675 PCI_ANY_ID, PCI_ANY_ID, },
2676 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300,
2677 PCI_ANY_ID, PCI_ANY_ID, },
2678 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312,
2679 PCI_ANY_ID, PCI_ANY_ID, },
2680 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322,
2681 PCI_ANY_ID, PCI_ANY_ID, },
2682 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312,
2683 PCI_ANY_ID, PCI_ANY_ID, },
2684 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322,
2685 PCI_ANY_ID, PCI_ANY_ID, },
2686 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422,
2687 PCI_ANY_ID, PCI_ANY_ID, },
2688 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432,
2689 PCI_ANY_ID, PCI_ANY_ID, },
2690 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422,
2691 PCI_ANY_ID, PCI_ANY_ID, },
2692 { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432,
2693 PCI_ANY_ID, PCI_ANY_ID, },
2696 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
2698 static int __devinit
2699 qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2701 return qla2x00_probe_one(pdev, &qla_board_tbl);
2704 static void __devexit
2705 qla2xxx_remove_one(struct pci_dev *pdev)
2707 qla2x00_remove_one(pdev);
2710 static struct pci_driver qla2xxx_pci_driver = {
2713 .owner = THIS_MODULE,
2715 .id_table = qla2xxx_pci_tbl,
2716 .probe = qla2xxx_probe_one,
2717 .remove = __devexit_p(qla2xxx_remove_one),
2721 qla2x00_pci_module_init(void)
2723 return pci_module_init(&qla2xxx_pci_driver);
2727 qla2x00_pci_module_exit(void)
2729 pci_unregister_driver(&qla2xxx_pci_driver);
2735 * qla2x00_module_init - Module initialization.
2738 qla2x00_module_init(void)
2742 /* Allocate cache for SRBs. */
2743 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
2744 SLAB_HWCACHE_ALIGN, NULL, NULL);
2745 if (srb_cachep == NULL) {
2747 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
2751 /* Derive version string. */
2752 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
2753 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
2754 strcat(qla2x00_version_str, "-fw");
2757 strcat(qla2x00_version_str, "-debug");
2759 qla2xxx_transport_template =
2760 fc_attach_transport(&qla2xxx_transport_functions);
2761 if (!qla2xxx_transport_template)
2764 printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
2765 ret = qla2x00_pci_module_init();
2767 kmem_cache_destroy(srb_cachep);
2768 fc_release_transport(qla2xxx_transport_template);
2774 * qla2x00_module_exit - Module cleanup.
2777 qla2x00_module_exit(void)
2779 qla2x00_pci_module_exit();
2780 qla2x00_release_firmware();
2781 kmem_cache_destroy(srb_cachep);
2782 fc_release_transport(qla2xxx_transport_template);
2785 module_init(qla2x00_module_init);
2786 module_exit(qla2x00_module_exit);
2788 MODULE_AUTHOR("QLogic Corporation");
2789 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
2790 MODULE_LICENSE("GPL");
2791 MODULE_VERSION(QLA2XXX_VERSION);