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

[Pei, Andy]

Hi

Code looks good to me.

> -----Original Message-----
> From: Abhishek Maheshwari <abhishek.maheshwari at intel.com>
> Sent: Thursday, December 15, 2022 11:48 AM
> To: Wang, Xiao W <xiao.w.wang at intel.com>
> Cc: dev at dpdk.org; stable at dpdk.org; Xia, Chenbo <Chenbo.Xia at intel.com>;
> Mandal, Purna Chandra <Purna.Chandra.Mandal at intel.com>; Maheshwari,
> Abhishek <Abhishek.Maheshwari at intel.com>
> Subject: [PATCH v4] vdpa/ifc: Match default subsystem IDs for modern virtio-
> blk devices
> 
> 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

Acked-by: Andy Pei <andy.pei at intel.com>