From: Zhu Lingshan <lingshan.zhu@intel.com>
Date: Wed, 18 Aug 2021 17:57:14 +0800
Subject: vDPA/ifcvf: enable multiqueue and control vq
Patch-mainline: v5.15-rc1
Git-commit: 90d1936681bc469824c6dfeda701efc884d3b448
References: jsc#PED-1549

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/vdpa/ifcvf/ifcvf_base.h |    9 ---------
 drivers/vdpa/ifcvf/ifcvf_main.c |   11 +++--------
 2 files changed, 3 insertions(+), 17 deletions(-)

--- 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
 
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -174,17 +174,12 @@ static u64 ifcvf_vdpa_get_features(struc
 	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);
 	}