[SCSI] qla2xxx: Cleanup any outstanding SRB resources during shutdown.

Refactor SRB-failure completion codes in the process.  Also,
signal the DPC routine to complete sooner as backend processing
at shutdown-time is superflous.

[jejb: resolve conflicts with pci_enable_device_bars removal]

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index ba35fc2..193f688 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -66,6 +66,7 @@ extern int ql2xqfullrampup;
 extern int num_hosts;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
+extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
 
 /*
  * Global Functions in qla_mid.c source file.

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index d0633ca..2e51fa8 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3213,9 +3213,6 @@ int
 qla2x00_abort_isp(scsi_qla_host_t *ha)
 {
        int rval;
-       unsigned long flags = 0;
-       uint16_t       cnt;
-       srb_t          *sp;
        uint8_t        status = 0;
 
        if (ha->flags.online) {
@@ -3236,19 +3233,8 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
                                    LOOP_DOWN_TIME);
                }
 
-               spin_lock_irqsave(&ha->hardware_lock, flags);
                /* Requeue all commands in outstanding command list. */
-               for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
-                       sp = ha->outstanding_cmds[cnt];
-                       if (sp) {
-                               ha->outstanding_cmds[cnt] = NULL;
-                               sp->flags = 0;
-                               sp->cmd->result = DID_RESET << 16;
-                               sp->cmd->host_scribble = (unsigned char *)NULL;
-                               qla2x00_sp_compl(ha, sp);
-                       }
-               }
-               spin_unlock_irqrestore(&ha->hardware_lock, flags);
+               qla2x00_abort_all_cmds(ha, DID_RESET << 16);
 
                ha->isp_ops->get_flash_version(ha, ha->request_ring);
 

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 5942712..3869e4d 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1117,6 +1117,27 @@ qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
        return ha->isp_ops->abort_target(reset_fcport);
 }
 
+void
+qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
+{
+       int cnt;
+       unsigned long flags;
+       srb_t *sp;
+
+       spin_lock_irqsave(&ha->hardware_lock, flags);
+       for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
+               sp = ha->outstanding_cmds[cnt];
+               if (sp) {
+                       ha->outstanding_cmds[cnt] = NULL;
+                       sp->flags = 0;
+                       sp->cmd->result = res;
+                       sp->cmd->host_scribble = (unsigned char *)NULL;
+                       qla2x00_sp_compl(ha, sp);
+               }
+       }
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
 static int
 qla2xxx_slave_alloc(struct scsi_device *sdev)
 {
@@ -1608,6 +1629,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        ha->parent = NULL;
        ha->bars = bars;
        ha->mem_only = mem_only;
+       spin_lock_init(&ha->hardware_lock);
 
        /* Set ISP-type information. */
        qla2x00_set_isp_flags(ha);
@@ -1621,8 +1643,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
            "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
            ha->iobase);
 
-       spin_lock_init(&ha->hardware_lock);
-
        ha->prev_topology = 0;
        ha->init_cb_size = sizeof(init_cb_t);
        ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
@@ -1848,10 +1868,14 @@ qla2x00_remove_one(struct pci_dev *pdev)
 static void
 qla2x00_free_device(scsi_qla_host_t *ha)
 {
+       qla2x00_abort_all_cmds(ha, DID_NO_CONNECT << 16);
+
        /* Disable timer */
        if (ha->timer_active)
                qla2x00_stop_timer(ha);
 
+       ha->flags.online = 0;
+
        /* Kill the kernel thread for this host */
        if (ha->dpc_thread) {
                struct task_struct *t = ha->dpc_thread;
@@ -1870,8 +1894,6 @@ qla2x00_free_device(scsi_qla_host_t *ha)
        if (ha->eft)
                qla2x00_disable_eft_trace(ha);
 
-       ha->flags.online = 0;
-
        /* Stop currently executing firmware. */
        qla2x00_try_to_stop_firmware(ha);