return rval;
}
-/*
- * qla2x00_abort_target
- * Issue abort target mailbox command.
- *
- * Input:
- * ha = adapter block pointer.
- *
- * Returns:
- * qla2x00 local function return status code.
- *
- * Context:
- * Kernel context.
- */
int
-qla2x00_abort_target(fc_port_t *fcport)
+qla2x00_abort_target(struct fc_port *fcport, unsigned int l)
{
- int rval;
+ int rval, rval2;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
scsi_qla_host_t *ha;
- if (fcport == NULL)
- return 0;
-
DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
+ l = l;
ha = fcport->ha;
mcp->mb[0] = MBC_ABORT_TARGET;
- mcp->out_mb = MBX_2|MBX_1|MBX_0;
+ mcp->out_mb = MBX_9|MBX_2|MBX_1|MBX_0;
if (HAS_EXTENDED_IDS(ha)) {
mcp->mb[1] = fcport->loop_id;
mcp->mb[10] = 0;
mcp->mb[1] = fcport->loop_id << 8;
}
mcp->mb[2] = ha->loop_reset_delay;
+ mcp->mb[9] = ha->vp_idx;
mcp->in_mb = MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
+ ha->host_no, rval));
+ }
+
+ /* Issue marker IOCB. */
+ rval2 = qla2x00_marker(ha, fcport->loop_id, 0, MK_SYNC_ID);
+ if (rval2 != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
+ "(%x).\n", __func__, ha->host_no, rval2));
+ } else {
+ DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
+ }
+
+ return rval;
+}
+
+int
+qla2x00_lun_reset(struct fc_port *fcport, unsigned int l)
+{
+ int rval, rval2;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+ scsi_qla_host_t *ha;
+
+ DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
- /* Issue marker command. */
- ha->marker_needed = 1;
+ ha = fcport->ha;
+ mcp->mb[0] = MBC_LUN_RESET;
+ mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
+ if (HAS_EXTENDED_IDS(ha))
+ mcp->mb[1] = fcport->loop_id;
+ else
+ mcp->mb[1] = fcport->loop_id << 8;
+ mcp->mb[2] = l;
+ mcp->mb[3] = 0;
+ mcp->mb[9] = ha->vp_idx;
+ mcp->in_mb = MBX_0;
+ mcp->tov = 30;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
- DEBUG2_3_11(printk("qla2x00_abort_target(%ld): failed=%x.\n",
+ DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
ha->host_no, rval));
+ }
+
+ /* Issue marker IOCB. */
+ rval2 = qla2x00_marker(ha, fcport->loop_id, l, MK_SYNC_ID_LUN);
+ if (rval2 != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
+ "(%x).\n", __func__, ha->host_no, rval2));
} else {
- /*EMPTY*/
- DEBUG11(printk("qla2x00_abort_target(%ld): done.\n",
- ha->host_no));
+ DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
return rval;
} p;
};
-int
-qla24xx_abort_target(fc_port_t *fcport)
+static int
+__qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
+ unsigned int l)
{
- int rval;
+ int rval, rval2;
struct tsk_mgmt_cmd *tsk;
dma_addr_t tsk_dma;
scsi_qla_host_t *ha, *pha;
- if (fcport == NULL)
- return 0;
-
DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
ha = fcport->ha;
tsk->p.tsk.entry_count = 1;
tsk->p.tsk.nport_handle = cpu_to_le16(fcport->loop_id);
tsk->p.tsk.timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
- tsk->p.tsk.control_flags = __constant_cpu_to_le32(TCF_TARGET_RESET);
+ tsk->p.tsk.control_flags = cpu_to_le32(type);
tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
tsk->p.tsk.vp_index = fcport->vp_idx;
+ if (type == TCF_LUN_RESET) {
+ int_to_scsilun(l, &tsk->p.tsk.lun);
+ host_to_fcp_swap((uint8_t *)&tsk->p.tsk.lun,
+ sizeof(tsk->p.tsk.lun));
+ }
rval = qla2x00_issue_iocb(ha, tsk, tsk_dma, 0);
if (rval != QLA_SUCCESS) {
- DEBUG2_3_11(printk("%s(%ld): failed to issue Target Reset IOCB "
- "(%x).\n", __func__, ha->host_no, rval));
- goto atarget_done;
+ DEBUG2_3_11(printk("%s(%ld): failed to issue %s Reset IOCB "
+ "(%x).\n", __func__, ha->host_no, name, rval));
} else if (tsk->p.sts.entry_status != 0) {
DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
"-- error status (%x).\n", __func__, ha->host_no,
tsk->p.sts.entry_status));
rval = QLA_FUNCTION_FAILED;
- goto atarget_done;
} else if (tsk->p.sts.comp_status !=
__constant_cpu_to_le16(CS_COMPLETE)) {
DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
"-- completion status (%x).\n", __func__,
ha->host_no, le16_to_cpu(tsk->p.sts.comp_status)));
rval = QLA_FUNCTION_FAILED;
- goto atarget_done;
}
/* Issue marker IOCB. */
- rval = qla2x00_marker(ha, fcport->loop_id, 0, MK_SYNC_ID);
- if (rval != QLA_SUCCESS) {
+ rval2 = qla2x00_marker(ha, fcport->loop_id, l,
+ type == TCF_LUN_RESET ? MK_SYNC_ID_LUN: MK_SYNC_ID);
+ if (rval2 != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
- "(%x).\n", __func__, ha->host_no, rval));
+ "(%x).\n", __func__, ha->host_no, rval2));
} else {
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
-atarget_done:
dma_pool_free(pha->s_dma_pool, tsk, tsk_dma);
return rval;
}
+int
+qla24xx_abort_target(struct fc_port *fcport, unsigned int l)
+{
+ return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l);
+}
+
+int
+qla24xx_lun_reset(struct fc_port *fcport, unsigned int l)
+{
+ return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l);
+}
+
#if 0
int
void (*fn)(struct scsi_cmnd *));
static int qla2xxx_eh_abort(struct scsi_cmnd *);
static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
+static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
.eh_abort_handler = qla2xxx_eh_abort,
.eh_device_reset_handler = qla2xxx_eh_device_reset,
+ .eh_target_reset_handler = qla2xxx_eh_target_reset,
.eh_bus_reset_handler = qla2xxx_eh_bus_reset,
.eh_host_reset_handler = qla2xxx_eh_host_reset,
.eh_abort_handler = qla2xxx_eh_abort,
.eh_device_reset_handler = qla2xxx_eh_device_reset,
+ .eh_target_reset_handler = qla2xxx_eh_target_reset,
.eh_bus_reset_handler = qla2xxx_eh_bus_reset,
.eh_host_reset_handler = qla2xxx_eh_host_reset,
else
return_status = QLA_FUNCTION_FAILED;
- DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
-
return (return_status);
}
return ret;
}
-/**************************************************************************
-* qla2x00_eh_wait_for_pending_target_commands
-*
-* Description:
-* Waits for all the commands to come back from the specified target.
-*
-* Input:
-* ha - pointer to scsi_qla_host structure.
-* t - target
-* Returns:
-* Either SUCCESS or FAILED.
-*
-* Note:
-**************************************************************************/
+enum nexus_wait_type {
+ WAIT_HOST = 0,
+ WAIT_TARGET,
+ WAIT_LUN,
+};
+
static int
-qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
+qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
+ unsigned int l, enum nexus_wait_type type)
{
- int cnt;
- int status;
- srb_t *sp;
- struct scsi_cmnd *cmd;
+ int cnt, match, status;
+ srb_t *sp;
unsigned long flags;
scsi_qla_host_t *pha = to_qla_parent(ha);
- status = 0;
-
- /*
- * Waiting for all commands for the designated target in the active
- * array
- */
- for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
- spin_lock_irqsave(&pha->hardware_lock, flags);
+ status = QLA_SUCCESS;
+ spin_lock_irqsave(&pha->hardware_lock, flags);
+ for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
+ cnt++) {
sp = pha->outstanding_cmds[cnt];
- if (sp) {
- cmd = sp->cmd;
- spin_unlock_irqrestore(&pha->hardware_lock, flags);
- if (cmd->device->id == t &&
- ha->vp_idx == sp->ha->vp_idx) {
- if (!qla2x00_eh_wait_on_command(ha, cmd)) {
- status = 1;
- break;
- }
- }
- } else {
- spin_unlock_irqrestore(&pha->hardware_lock, flags);
+ if (!sp)
+ continue;
+ if (ha->vp_idx != sp->ha->vp_idx)
+ continue;
+ match = 0;
+ switch (type) {
+ case WAIT_HOST:
+ match = 1;
+ break;
+ case WAIT_TARGET:
+ match = sp->cmd->device->id == t;
+ break;
+ case WAIT_LUN:
+ match = (sp->cmd->device->id == t &&
+ sp->cmd->device->lun == l);
+ break;
}
+ if (!match)
+ continue;
+
+ spin_unlock_irqrestore(&pha->hardware_lock, flags);
+ status = qla2x00_eh_wait_on_command(ha, sp->cmd);
+ spin_lock_irqsave(&pha->hardware_lock, flags);
}
- return (status);
+ spin_unlock_irqrestore(&pha->hardware_lock, flags);
+
+ return status;
}
+static char *reset_errors[] = {
+ "HBA not online",
+ "HBA not ready",
+ "Task management failed",
+ "Waiting for command completions",
+};
-/**************************************************************************
-* qla2xxx_eh_device_reset
-*
-* Description:
-* The device reset function will reset the target and abort any
-* executing commands.
-*
-* NOTE: The use of SP is undefined within this context. Do *NOT*
-* attempt to use this value, even if you determine it is
-* non-null.
-*
-* Input:
-* cmd = Linux SCSI command packet of the command that cause the
-* bus device reset.
-*
-* Returns:
-* SUCCESS/FAILURE (defined as macro in scsi.h).
-*
-**************************************************************************/
static int
-qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
+__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
+ struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
{
scsi_qla_host_t *ha = shost_priv(cmd->device->host);
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
- int ret = FAILED;
- unsigned int id, lun;
- unsigned long serial;
+ int err;
qla2x00_block_error_handler(cmd);
- id = cmd->device->id;
- lun = cmd->device->lun;
- serial = cmd->serial_number;
-
if (!fcport)
- return ret;
+ return FAILED;
- qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
+ qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
+ ha->host_no, cmd->device->id, cmd->device->lun, name);
+ err = 0;
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
- goto eh_dev_reset_done;
-
- if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
- if (ha->isp_ops->abort_target(fcport) == 0)
- ret = SUCCESS;
- } else {
- DEBUG2(printk(KERN_INFO
- "%s failed: loop not ready\n",__func__));
- }
-
- if (ret == FAILED) {
- DEBUG3(printk("%s(%ld): device reset failed\n",
- __func__, ha->host_no));
- qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
- __func__);
+ goto eh_reset_failed;
+ err = 1;
+ if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
+ goto eh_reset_failed;
+ err = 2;
+ if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
+ goto eh_reset_failed;
+ err = 3;
+ if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
+ cmd->device->lun, type) != QLA_SUCCESS)
+ goto eh_reset_failed;
+
+ qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
+ ha->host_no, cmd->device->id, cmd->device->lun, name);
+
+ return SUCCESS;
+
+ eh_reset_failed:
+ qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
+ ha->host_no, cmd->device->id, cmd->device->lun, name,
+ reset_errors[err]);
+ return FAILED;
+}
- goto eh_dev_reset_done;
- }
+static int
+qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
+{
+ scsi_qla_host_t *ha = shost_priv(cmd->device->host);
- /* Flush outstanding commands. */
- if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
- ret = FAILED;
- if (ret == FAILED) {
- DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
- __func__, ha->host_no));
- qla_printk(KERN_INFO, ha,
- "%s: failed while waiting for commands\n", __func__);
- } else
- qla_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
- id, lun);
- eh_dev_reset_done:
- return ret;
+ return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
+ ha->isp_ops->lun_reset);
}
-/**************************************************************************
-* qla2x00_eh_wait_for_pending_commands
-*
-* Description:
-* Waits for all the commands to come back from the specified host.
-*
-* Input:
-* ha - pointer to scsi_qla_host structure.
-*
-* Returns:
-* 1 : SUCCESS
-* 0 : FAILED
-*
-* Note:
-**************************************************************************/
static int
-qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
+qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
{
- int cnt;
- int status;
- srb_t *sp;
- struct scsi_cmnd *cmd;
- unsigned long flags;
-
- status = 1;
+ scsi_qla_host_t *ha = shost_priv(cmd->device->host);
- /*
- * Waiting for all commands for the designated target in the active
- * array
- */
- for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- sp = ha->outstanding_cmds[cnt];
- if (sp) {
- cmd = sp->cmd;
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- status = qla2x00_eh_wait_on_command(ha, cmd);
- if (status == 0)
- break;
- }
- else {
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
- }
- return (status);
+ return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
+ ha->isp_ops->target_reset);
}
-
/**************************************************************************
* qla2xxx_eh_bus_reset
*
goto eh_bus_reset_done;
/* Flush outstanding commands. */
- if (!qla2x00_eh_wait_for_pending_commands(pha))
+ if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
+ QLA_SUCCESS)
ret = FAILED;
eh_bus_reset_done:
clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
/* Waiting for our command in done_queue to be returned to OS.*/
- if (qla2x00_eh_wait_for_pending_commands(pha))
+ if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
+ QLA_SUCCESS)
ret = SUCCESS;
if (ha->parent)
if (fcport->port_type != FCT_TARGET)
continue;
- ret = ha->isp_ops->abort_target(fcport);
+ ret = ha->isp_ops->target_reset(fcport, 0);
if (ret != QLA_SUCCESS) {
DEBUG2_3(printk("%s(%ld): bus_reset failed: "
"target_reset=%d d_id=%x.\n", __func__,
.enable_intrs = qla2x00_enable_intrs,
.disable_intrs = qla2x00_disable_intrs,
.abort_command = qla2x00_abort_command,
- .abort_target = qla2x00_abort_target,
+ .target_reset = qla2x00_abort_target,
+ .lun_reset = qla2x00_lun_reset,
.fabric_login = qla2x00_login_fabric,
.fabric_logout = qla2x00_fabric_logout,
.calc_req_entries = qla2x00_calc_iocbs_32,
.enable_intrs = qla2x00_enable_intrs,
.disable_intrs = qla2x00_disable_intrs,
.abort_command = qla2x00_abort_command,
- .abort_target = qla2x00_abort_target,
+ .target_reset = qla2x00_abort_target,
+ .lun_reset = qla2x00_lun_reset,
.fabric_login = qla2x00_login_fabric,
.fabric_logout = qla2x00_fabric_logout,
.calc_req_entries = qla2x00_calc_iocbs_32,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
- .abort_target = qla24xx_abort_target,
+ .target_reset = qla24xx_abort_target,
+ .lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
- .abort_target = qla24xx_abort_target,
+ .target_reset = qla24xx_abort_target,
+ .lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
projects / linux-beck.git / commitdiff