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path: root/drivers/scsi/bfa/bfad_im.c
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Diffstat (limited to 'drivers/scsi/bfa/bfad_im.c')
-rw-r--r--drivers/scsi/bfa/bfad_im.c67
1 files changed, 36 insertions, 31 deletions
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 78f42aa57369..5b7cf539e50b 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -30,6 +30,7 @@ BFA_TRC_FILE(LDRV, IM);
DEFINE_IDR(bfad_im_port_index);
struct scsi_transport_template *bfad_im_scsi_transport_template;
+struct scsi_transport_template *bfad_im_scsi_vport_transport_template;
static void bfad_im_itnim_work_handler(struct work_struct *work);
static int bfad_im_queuecommand(struct scsi_cmnd *cmnd,
void (*done)(struct scsi_cmnd *));
@@ -252,7 +253,6 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd,
struct bfa_itnim_s *bfa_itnim;
bfa_status_t rc = BFA_STATUS_OK;
- bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
if (!tskim) {
BFA_DEV_PRINTF(bfad, BFA_ERR,
@@ -513,11 +513,14 @@ void bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim)
* Allocate a Scsi_Host for a port.
*/
int
-bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
+bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
+ struct device *dev)
{
int error = 1;
+ mutex_lock(&bfad_mutex);
if (!idr_pre_get(&bfad_im_port_index, GFP_KERNEL)) {
+ mutex_unlock(&bfad_mutex);
printk(KERN_WARNING "idr_pre_get failure\n");
goto out;
}
@@ -525,10 +528,13 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
error = idr_get_new(&bfad_im_port_index, im_port,
&im_port->idr_id);
if (error) {
+ mutex_unlock(&bfad_mutex);
printk(KERN_WARNING "idr_get_new failure\n");
goto out;
}
+ mutex_unlock(&bfad_mutex);
+
im_port->shost = bfad_os_scsi_host_alloc(im_port, bfad);
if (!im_port->shost) {
error = 1;
@@ -542,12 +548,15 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
im_port->shost->max_lun = MAX_FCP_LUN;
im_port->shost->max_cmd_len = 16;
im_port->shost->can_queue = bfad->cfg_data.ioc_queue_depth;
- im_port->shost->transportt = bfad_im_scsi_transport_template;
+ if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
+ im_port->shost->transportt = bfad_im_scsi_transport_template;
+ else
+ im_port->shost->transportt =
+ bfad_im_scsi_vport_transport_template;
- error = bfad_os_scsi_add_host(im_port->shost, im_port, bfad);
+ error = scsi_add_host(im_port->shost, dev);
if (error) {
- printk(KERN_WARNING "bfad_os_scsi_add_host failure %d\n",
- error);
+ printk(KERN_WARNING "scsi_add_host failure %d\n", error);
goto out_fc_rel;
}
@@ -559,7 +568,9 @@ bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
out_fc_rel:
scsi_host_put(im_port->shost);
out_free_idr:
+ mutex_lock(&bfad_mutex);
idr_remove(&bfad_im_port_index, im_port->idr_id);
+ mutex_unlock(&bfad_mutex);
out:
return error;
}
@@ -567,8 +578,6 @@ out:
void
bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
{
- unsigned long flags;
-
bfa_trc(bfad, bfad->inst_no);
bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_HOST_FREE,
im_port->shost->host_no);
@@ -578,9 +587,9 @@ bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
scsi_remove_host(im_port->shost);
scsi_host_put(im_port->shost);
- spin_lock_irqsave(&bfad->bfad_lock, flags);
+ mutex_lock(&bfad_mutex);
idr_remove(&bfad_im_port_index, im_port->idr_id);
- spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+ mutex_unlock(&bfad_mutex);
}
static void
@@ -589,9 +598,11 @@ bfad_im_port_delete_handler(struct work_struct *work)
struct bfad_im_port_s *im_port =
container_of(work, struct bfad_im_port_s, port_delete_work);
- bfad_im_scsi_host_free(im_port->bfad, im_port);
- bfad_im_port_clean(im_port);
- kfree(im_port);
+ if (im_port->port->pvb_type != BFAD_PORT_PHYS_BASE) {
+ im_port->flags |= BFAD_PORT_DELETE;
+ fc_vport_terminate(im_port->fc_vport);
+ }
+
}
bfa_status_t
@@ -690,23 +701,6 @@ bfad_im_probe_undo(struct bfad_s *bfad)
}
}
-
-
-
-int
-bfad_os_scsi_add_host(struct Scsi_Host *shost, struct bfad_im_port_s *im_port,
- struct bfad_s *bfad)
-{
- struct device *dev;
-
- if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
- dev = &bfad->pcidev->dev;
- else
- dev = &bfad->pport.im_port->shost->shost_gendev;
-
- return scsi_add_host(shost, dev);
-}
-
struct Scsi_Host *
bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
{
@@ -725,7 +719,8 @@ bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
void
bfad_os_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
{
- flush_workqueue(bfad->im->drv_workq);
+ if (!(im_port->flags & BFAD_PORT_DELETE))
+ flush_workqueue(bfad->im->drv_workq);
bfad_im_scsi_host_free(im_port->bfad, im_port);
bfad_im_port_clean(im_port);
kfree(im_port);
@@ -830,6 +825,13 @@ bfad_im_module_init(void)
if (!bfad_im_scsi_transport_template)
return BFA_STATUS_ENOMEM;
+ bfad_im_scsi_vport_transport_template =
+ fc_attach_transport(&bfad_im_vport_fc_function_template);
+ if (!bfad_im_scsi_vport_transport_template) {
+ fc_release_transport(bfad_im_scsi_transport_template);
+ return BFA_STATUS_ENOMEM;
+ }
+
return BFA_STATUS_OK;
}
@@ -838,6 +840,8 @@ bfad_im_module_exit(void)
{
if (bfad_im_scsi_transport_template)
fc_release_transport(bfad_im_scsi_transport_template);
+ if (bfad_im_scsi_vport_transport_template)
+ fc_release_transport(bfad_im_scsi_vport_transport_template);
}
void
@@ -938,6 +942,7 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port)
bfa_os_htonll((bfa_fcs_port_get_nwwn(port->fcs_port)));
fc_host_port_name(host) =
bfa_os_htonll((bfa_fcs_port_get_pwwn(port->fcs_port)));
+ fc_host_max_npiv_vports(host) = bfa_lps_get_max_vport(&bfad->bfa);
fc_host_supported_classes(host) = FC_COS_CLASS3;