From: "Michael S. Tsirkin" <mst@redhat.com>
To: Julia Zhang <julia.zhang@amd.com>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Anthony PERARD" <anthony.perard@citrix.com>,
"Paul Durrant" <paul@xen.org>,
"Edgar E . Iglesias" <edgar.iglesias@gmail.com>,
"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
xen-devel@lists.xenproject.org,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"Xenia Ragiadakou" <burzalodowa@gmail.com>,
"Chen Jiqian" <Jiqian.Chen@amd.com>,
"Huang Rui" <ray.huang@amd.com>,
"Penny Zheng" <penny.zheng@amd.com>,
"Zhu Lingshan" <Lingshan.Zhu@amd.com>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
"Juergen Gross" <jgross@suse.com>,
"Oleksandr Tyshchenko" <oleksandr_tyshchenko@epam.com>,
qemu-devel@nongnu.org
Subject: Re: [PATCH 3/3] virtio-gpu: add a new command to get p2pdma_distance
Date: Wed, 8 Jan 2025 09:14:29 -0500 [thread overview]
Message-ID: <20250108091357-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20241207105537.542441-4-julia.zhang@amd.com>
On Sat, Dec 07, 2024 at 06:55:40PM +0800, Julia Zhang wrote:
> diff --git a/include/standard-headers/linux/virtio_gpu.h b/include/standard-headers/linux/virtio_gpu.h
> index 6459fdb9fb..2e55dcc2fe 100644
> --- a/include/standard-headers/linux/virtio_gpu.h
> +++ b/include/standard-headers/linux/virtio_gpu.h
> @@ -95,6 +95,7 @@ enum virtio_gpu_ctrl_type {
> VIRTIO_GPU_CMD_SUBMIT_3D,
> VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB,
> VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB,
> + VIRTIO_GPU_CMD_P2PDMA_DISTANCE,
>
> /* cursor commands */
> VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300,
> @@ -108,6 +109,7 @@ enum virtio_gpu_ctrl_type {
> VIRTIO_GPU_RESP_OK_EDID,
> VIRTIO_GPU_RESP_OK_RESOURCE_UUID,
> VIRTIO_GPU_RESP_OK_MAP_INFO,
> + VIRTIO_GPU_RESP_OK_P2PDMA_DISTANCE,
>
> /* error responses */
> VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
> @@ -429,6 +431,23 @@ struct virtio_gpu_set_scanout_blob {
> uint32_t offsets[4];
> };
>
> +/* VIRTIO_GPU_CMD_P2PDMA_DISTANCE */
> +struct virtio_gpu_device_p2pdma_distance {
> + struct virtio_gpu_ctrl_hdr hdr;
> + __le32 provider_bus;
> + __le32 provider_slot;
> + __le32 provider_func;
> + __le32 client_bus;
> + __le32 client_slot;
> + __le32 client_func;
> +};
> +
> +/* VIRTIO_GPU_RESP_DISTANCE */
> +struct virtio_gpu_resp_distance {
> + struct virtio_gpu_ctrl_hdr hdr;
> + __le32 distance;
> +};
> +
> /* VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB */
> struct virtio_gpu_resource_map_blob {
> struct virtio_gpu_ctrl_hdr hdr;
> --
> 2.34.1
This is not how we change this header.
you need a spec patch, an UAPI change to be accepted into linux.
--
MST
prev parent reply other threads:[~2025-01-08 14:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-07 10:55 [PATCH 0/3] Support getting p2pdma_distance Julia Zhang
2024-12-07 10:55 ` [PATCH 1/3] virtio-gpu: set hostaddr for virtio iGPU Julia Zhang
2024-12-07 10:55 ` [PATCH 2/3] pci: introduce a function to get PCIDevice Julia Zhang
2024-12-07 10:55 ` [PATCH 3/3] virtio-gpu: add a new command to get p2pdma_distance Julia Zhang
2025-01-08 14:14 ` Michael S. Tsirkin [this message]
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