summaryrefslogtreecommitdiffstats
path: root/drivers/vdpa/ifcvf/ifcvf_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/vdpa/ifcvf/ifcvf_main.c')
-rw-r--r--drivers/vdpa/ifcvf/ifcvf_main.c46
1 files changed, 7 insertions, 39 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 968687159e44..5b7156209602 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -125,6 +125,7 @@ static void ifcvf_free_irq(struct ifcvf_hw *vf)
ifcvf_free_vq_irq(vf);
ifcvf_free_config_irq(vf);
ifcvf_free_irq_vectors(pdev);
+ vf->num_msix_vectors = 0;
}
/* ifcvf MSIX vectors allocator, this helper tries to allocate
@@ -343,36 +344,11 @@ static int ifcvf_request_irq(struct ifcvf_hw *vf)
if (ret)
return ret;
- return 0;
-}
-
-static int ifcvf_stop_datapath(struct ifcvf_adapter *adapter)
-{
- struct ifcvf_hw *vf = adapter->vf;
- int i;
-
- for (i = 0; i < vf->nr_vring; i++)
- vf->vring[i].cb.callback = NULL;
-
- ifcvf_stop_hw(vf);
+ vf->num_msix_vectors = nvectors;
return 0;
}
-static void ifcvf_reset_vring(struct ifcvf_adapter *adapter)
-{
- struct ifcvf_hw *vf = adapter->vf;
- int i;
-
- for (i = 0; i < vf->nr_vring; i++) {
- vf->vring[i].last_avail_idx = 0;
- vf->vring[i].cb.callback = NULL;
- vf->vring[i].cb.private = NULL;
- }
-
- ifcvf_reset(vf);
-}
-
static struct ifcvf_adapter *vdpa_to_adapter(struct vdpa_device *vdpa_dev)
{
return container_of(vdpa_dev, struct ifcvf_adapter, vdpa);
@@ -462,23 +438,15 @@ static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status)
static int ifcvf_vdpa_reset(struct vdpa_device *vdpa_dev)
{
- struct ifcvf_adapter *adapter;
- struct ifcvf_hw *vf;
- u8 status_old;
-
- vf = vdpa_to_vf(vdpa_dev);
- adapter = vdpa_to_adapter(vdpa_dev);
- status_old = ifcvf_get_status(vf);
+ struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev);
+ u8 status = ifcvf_get_status(vf);
- if (status_old == 0)
- return 0;
+ ifcvf_stop(vf);
- if (status_old & VIRTIO_CONFIG_S_DRIVER_OK) {
- ifcvf_stop_datapath(adapter);
+ if (status & VIRTIO_CONFIG_S_DRIVER_OK)
ifcvf_free_irq(vf);
- }
- ifcvf_reset_vring(adapter);
+ ifcvf_reset(vf);
return 0;
}