[PATCH v4] vdpa/ifc: Match default subsystem IDs for modern virtio-blk devices

[Abhishek Maheshwari]

Amending the match table for vdpa/ifcvf driver to work with virtio-blk
devices that have default subsystem IDs.

Cc: stable at dpdk.org

Signed-off-by: Abhishek Maheshwari <abhishek.maheshwari at intel.com>

---
v3:
* Removing match with ANY_IDs
* Adding support for only default subsystem IDs

v2:
* commit message update
---
 drivers/vdpa/ifc/base/ifcvf.h | 1 +
 drivers/vdpa/ifc/ifcvf_vdpa.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/vdpa/ifc/base/ifcvf.h b/drivers/vdpa/ifc/base/ifcvf.h
index 3726da7a33..04c81c8196 100644
--- a/drivers/vdpa/ifc/base/ifcvf.h
+++ b/drivers/vdpa/ifc/base/ifcvf.h
@@ -20,6 +20,7 @@
 #define IFCVF_SUBSYS_DEVICE_ID              0x001A
 #define IFCVF_SUBSYS_NET_DEVICE_ID          0x0001
 #define IFCVF_SUBSYS_BLK_DEVICE_ID          0x0002
+#define IFCVF_SUBSYS_DEFAULT_DEVICE_ID      0x0000
 
 #define IFCVF_MAX_QUEUES		32
 
diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index 49d68ad1b1..edc6db545d 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -1849,6 +1849,13 @@ static const struct rte_pci_id pci_id_ifcvf_map[] = {
 	  .subsystem_device_id = IFCVF_SUBSYS_BLK_DEVICE_ID,
 	},
 
+	{ .class_id = RTE_CLASS_ANY_ID,
+	  .vendor_id = IFCVF_VENDOR_ID,
+	  .device_id = IFCVF_BLK_MODERN_DEVICE_ID,
+	  .subsystem_vendor_id = IFCVF_SUBSYS_VENDOR_ID,
+	  .subsystem_device_id = IFCVF_SUBSYS_DEFAULT_DEVICE_ID,
+	}, /* virtio-blk devices with default subsystem IDs */
+
 	{ .vendor_id = 0, /* sentinel */
 	},
 };
-- 
2.31.1