From: "Wang, Xiao W" <xiao.w.wang@intel.com>
To: "Maheshwari, Abhishek" <abhishek.maheshwari@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>,
"Xia, Chenbo" <chenbo.xia@intel.com>,
"Mandal, Purna Chandra" <purna.chandra.mandal@intel.com>,
"Pei, Andy" <andy.pei@intel.com>
Subject: RE: [PATCH v2] vdpa/ifc: Match ANY subsystem IDs for modern virtio devices
Date: Thu, 8 Dec 2022 13:08:49 +0000 [thread overview]
Message-ID: <DM8PR11MB575174C7691EB50EB122F448B81D9@DM8PR11MB5751.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20221206125524.339468-1-abhishek.maheshwari@intel.com>
Hi Abhishek,
Please see comments inline.
BRs,
Xiao
> -----Original Message-----
> From: Maheshwari, Abhishek <abhishek.maheshwari@intel.com>
> Sent: Tuesday, December 6, 2022 8:55 PM
> To: Wang, Xiao W <xiao.w.wang@intel.com>
> Cc: dev@dpdk.org; stable@dpdk.org; Xia, Chenbo <chenbo.xia@intel.com>;
> Mandal, Purna Chandra <purna.chandra.mandal@intel.com>; Maheshwari,
> Abhishek <abhishek.maheshwari@intel.com>
> Subject: [PATCH v2] vdpa/ifc: Match ANY subsystem IDs for modern virtio
> devices
>
> Fixing the match table for vdpa/ifcvf driver because as per the Virtio
> device specification, for modern virtio devices, drivers MAY match any
> PCI Subsystem Vendor ID and any PCI Subsystem Device ID value.
Here the "drivers" refers to virtio driver, not vdpa driver.
With below change, this vdpa/ifc driver would hit the standard virtio device which can't 100% match this driver.
>
> Fixes: a60b747d0ad ("vdpa/ifc: support virtio block device")
> Fixes: 5c806b94785 ("vdpa/ifc: add PCI ID for legacy network device")
> Cc: stable@dpdk.org
>
> Signed-off-by: Abhishek Maheshwari <abhishek.maheshwari@intel.com>
> ---
> drivers/vdpa/ifc/ifcvf_vdpa.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
> index 49d68ad1b1..214d6e1f60 100644
> --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> @@ -1824,8 +1824,8 @@ static const struct rte_pci_id pci_id_ifcvf_map[] = {
> { .class_id = RTE_CLASS_ANY_ID,
> .vendor_id = IFCVF_VENDOR_ID,
> .device_id = IFCVF_NET_MODERN_DEVICE_ID,
> - .subsystem_vendor_id = IFCVF_SUBSYS_VENDOR_ID,
> - .subsystem_device_id = IFCVF_SUBSYS_DEVICE_ID,
> + .subsystem_vendor_id = RTE_PCI_ANY_ID,
> + .subsystem_device_id = RTE_PCI_ANY_ID,
> },
>
> { .class_id = RTE_CLASS_ANY_ID,
> @@ -1845,8 +1845,8 @@ static const struct rte_pci_id pci_id_ifcvf_map[] = {
> { .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_BLK_DEVICE_ID,
> + .subsystem_vendor_id = RTE_PCI_ANY_ID,
> + .subsystem_device_id = RTE_PCI_ANY_ID,
> },
>
> { .vendor_id = 0, /* sentinel */
> --
> 2.31.1
next prev parent reply other threads:[~2022-12-08 13:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 12:50 [PATCH] " Abhishek Maheshwari
2022-12-06 12:55 ` [PATCH v2] " Abhishek Maheshwari
2022-12-08 13:08 ` Wang, Xiao W [this message]
2022-12-09 2:37 ` Pei, Andy
2022-12-15 3:42 ` [PATCH v3] vdpa/ifc: Match default subsystem IDs for modern virtio-blk devices Abhishek Maheshwari
2022-12-15 3:48 ` [PATCH v4] " Abhishek Maheshwari
2022-12-16 1:58 ` Pei, Andy
2023-01-19 14:09 ` Maxime Coquelin
2023-02-03 14:57 ` Maxime Coquelin
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