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[SCSI] qla2xxx: Refactor shutdown code so some functionality can be reused.

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Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Chad Dupuis 2013-10-30 03:38:15 -04:00 committed by James Bottomley
parent 50280c014d
commit fe1b806f4f
3 changed files with 96 additions and 81 deletions
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4
drivers/scsi/qla2xxx/qla_attr.c
View File

@ -862,7 +862,7 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
}
void
qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
{
struct Scsi_Host *host = vha->host;
struct sysfs_entry *iter;
@ -880,7 +880,7 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
iter->attr);
}
if (ha->beacon_blink_led == 1)
if (stop_beacon && ha->beacon_blink_led == 1)
ha->isp_ops->beacon_off(vha);
}

3
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -540,10 +540,9 @@ struct fc_function_template;
extern struct fc_function_template qla2xxx_transport_functions;
extern struct fc_function_template qla2xxx_transport_vport_functions;
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *, bool);
extern void qla2x00_init_host_attr(scsi_qla_host_t *);
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
extern int qla2x00_loopback_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *);
extern int qla2x00_echo_test(scsi_qla_host_t *,
struct msg_echo_lb *, uint16_t *);

170
drivers/scsi/qla2xxx/qla_os.c
View File

@ -2905,22 +2905,6 @@ probe_out:
return ret;
}
static void
qla2x00_stop_dpc_thread(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
struct task_struct *t = ha->dpc_thread;
if (ha->dpc_thread == NULL)
return;
/*
* qla2xxx_wake_dpc checks for ->dpc_thread
* so we need to zero it out.
*/
ha->dpc_thread = NULL;
kthread_stop(t);
}
static void
qla2x00_shutdown(struct pci_dev *pdev)
{
@ -2964,29 +2948,14 @@ qla2x00_shutdown(struct pci_dev *pdev)
qla2x00_free_fw_dump(ha);
}
/* Deletes all the virtual ports for a given ha */
static void
qla2x00_remove_one(struct pci_dev *pdev)
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
{
scsi_qla_host_t *base_vha, *vha;
struct qla_hw_data *ha;
struct Scsi_Host *scsi_host;
scsi_qla_host_t *vha;
unsigned long flags;
/*
* If the PCI device is disabled that means that probe failed and any
* resources should be have cleaned up on probe exit.
*/
if (!atomic_read(&pdev->enable_cnt))
return;
base_vha = pci_get_drvdata(pdev);
ha = base_vha->hw;
ha->flags.host_shutting_down = 1;
set_bit(UNLOADING, &base_vha->dpc_flags);
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(base_vha, 20);
mutex_lock(&ha->vport_lock);
while (ha->cur_vport_count) {
spin_lock_irqsave(&ha->vport_slock, flags);
@ -2994,7 +2963,7 @@ qla2x00_remove_one(struct pci_dev *pdev)
BUG_ON(base_vha->list.next == &ha->vp_list);
/* This assumes first entry in ha->vp_list is always base vha */
vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
scsi_host_get(vha->host);
scsi_host = scsi_host_get(vha->host);
spin_unlock_irqrestore(&ha->vport_slock, flags);
mutex_unlock(&ha->vport_lock);
@ -3005,27 +2974,12 @@ qla2x00_remove_one(struct pci_dev *pdev)
mutex_lock(&ha->vport_lock);
}
mutex_unlock(&ha->vport_lock);
}
if (IS_QLA8031(ha)) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
"Clearing fcoe driver presence.\n");
if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
"Error while clearing DRV-Presence.\n");
}
qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
qla2x00_dfs_remove(base_vha);
qla84xx_put_chip(base_vha);
/* Disable timer */
if (base_vha->timer_active)
qla2x00_stop_timer(base_vha);
base_vha->flags.online = 0;
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
/* Flush the work queue and remove it */
if (ha->wq) {
flush_workqueue(ha->wq);
@ -3059,27 +3013,12 @@ qla2x00_remove_one(struct pci_dev *pdev)
ha->dpc_thread = NULL;
kthread_stop(t);
}
qlt_remove_target(ha, base_vha);
}
qla2x00_free_sysfs_attr(base_vha);
fc_remove_host(base_vha->host);
scsi_remove_host(base_vha->host);
qla2x00_free_device(base_vha);
scsi_host_put(base_vha->host);
if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla8044_clear_drv_active(base_vha);
qla8044_idc_unlock(ha);
}
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_clear_drv_active(ha);
qla82xx_idc_unlock(ha);
iounmap((device_reg_t __iomem *)ha->nx_pcibase);
if (!ql2xdbwr)
@ -3097,6 +3036,84 @@ qla2x00_remove_one(struct pci_dev *pdev)
if (IS_QLA83XX(ha) && ha->msixbase)
iounmap(ha->msixbase);
}
}
static void
qla2x00_clear_drv_active(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla8044_clear_drv_active(vha);
qla8044_idc_unlock(ha);
} else if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_clear_drv_active(ha);
qla82xx_idc_unlock(ha);
}
}
static void
qla2x00_remove_one(struct pci_dev *pdev)
{
scsi_qla_host_t *base_vha;
struct qla_hw_data *ha;
/*
* If the PCI device is disabled that means that probe failed and any
* resources should be have cleaned up on probe exit.
*/
if (!atomic_read(&pdev->enable_cnt))
return;
base_vha = pci_get_drvdata(pdev);
ha = base_vha->hw;
set_bit(UNLOADING, &base_vha->dpc_flags);
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(base_vha, 20);
qla2x00_delete_all_vps(ha, base_vha);
if (IS_QLA8031(ha)) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
"Clearing fcoe driver presence.\n");
if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
"Error while clearing DRV-Presence.\n");
}
qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
qla2x00_dfs_remove(base_vha);
qla84xx_put_chip(base_vha);
/* Disable timer */
if (base_vha->timer_active)
qla2x00_stop_timer(base_vha);
base_vha->flags.online = 0;
qla2x00_destroy_deferred_work(ha);
qlt_remove_target(ha, base_vha);
qla2x00_free_sysfs_attr(base_vha, true);
fc_remove_host(base_vha->host);
scsi_remove_host(base_vha->host);
qla2x00_free_device(base_vha);
scsi_host_put(base_vha->host);
qla2x00_clear_drv_active(base_vha);
qla2x00_unmap_iobases(ha);
pci_release_selected_regions(ha->pdev, ha->bars);
kfree(ha);
@ -3118,9 +3135,8 @@ qla2x00_free_device(scsi_qla_host_t *vha)
if (vha->timer_active)
qla2x00_stop_timer(vha);
qla2x00_stop_dpc_thread(vha);
qla25xx_delete_queues(vha);
if (ha->flags.fce_enabled)
qla2x00_disable_fce_trace(vha, NULL, NULL);