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authorZhu Lingshan <lingshan.zhu@intel.com>2021-08-18 11:57:14 +0200
committerMichael S. Tsirkin <mst@redhat.com>2021-09-05 22:23:07 +0200
commit90d1936681bc469824c6dfeda701efc884d3b448 (patch)
treede14168f831b30accd9e5f78a5aa4c63e3d682b2
parentvDPA/ifcvf: detect and use the onboard number of queues directly (diff)
downloadlinux-90d1936681bc469824c6dfeda701efc884d3b448.tar.xz
linux-90d1936681bc469824c6dfeda701efc884d3b448.zip
vDPA/ifcvf: enable multiqueue and control vq
This commit enbales multi-queue and control vq features for ifcvf Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> Link: https://lore.kernel.org/r/20210818095714.3220-3-lingshan.zhu@intel.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--drivers/vdpa/ifcvf/ifcvf_base.h9
-rw-r--r--drivers/vdpa/ifcvf/ifcvf_main.c11
2 files changed, 3 insertions, 17 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h
index 97d9019a3ec0..09918af3ecf8 100644
--- a/drivers/vdpa/ifcvf/ifcvf_base.h
+++ b/drivers/vdpa/ifcvf/ifcvf_base.h
@@ -22,15 +22,6 @@
#define N3000_DEVICE_ID 0x1041
#define N3000_SUBSYS_DEVICE_ID 0x001A
-#define IFCVF_NET_SUPPORTED_FEATURES \
- ((1ULL << VIRTIO_NET_F_MAC) | \
- (1ULL << VIRTIO_F_ANY_LAYOUT) | \
- (1ULL << VIRTIO_F_VERSION_1) | \
- (1ULL << VIRTIO_NET_F_STATUS) | \
- (1ULL << VIRTIO_F_ORDER_PLATFORM) | \
- (1ULL << VIRTIO_F_ACCESS_PLATFORM) | \
- (1ULL << VIRTIO_NET_F_MRG_RXBUF))
-
/* Max 8 data queue pairs(16 queues) and one control vq for now. */
#define IFCVF_MAX_QUEUES 17
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 37675c93b1ff..bfc3d7d40c09 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -174,17 +174,12 @@ static u64 ifcvf_vdpa_get_features(struct vdpa_device *vdpa_dev)
struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev);
struct pci_dev *pdev = adapter->pdev;
-
+ u32 type = vf->dev_type;
u64 features;
- switch (vf->dev_type) {
- case VIRTIO_ID_NET:
- features = ifcvf_get_features(vf) & IFCVF_NET_SUPPORTED_FEATURES;
- break;
- case VIRTIO_ID_BLOCK:
+ if (type == VIRTIO_ID_NET || type == VIRTIO_ID_BLOCK)
features = ifcvf_get_features(vf);
- break;
- default:
+ else {
features = 0;
IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", vf->dev_type);
}