From: Jason Wang <jasowang@redhat.com>
To: Stefano Garzarella <sgarzare@redhat.com>,
virtualization@lists.linux-foundation.org
Cc: Xie Yongji <xieyongji@bytedance.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Laurent Vivier <lvivier@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
linux-kernel@vger.kernel.org, Max Gurtovoy <mgurtovoy@nvidia.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH RFC v2 10/10] vdpa_sim_blk: handle VIRTIO_BLK_T_GET_ID
Date: Mon, 1 Feb 2021 14:04:38 +0800 [thread overview]
Message-ID: <bcdc7dd7-856e-8aae-0683-e811081a1521@redhat.com> (raw)
In-Reply-To: <20210128144127.113245-11-sgarzare@redhat.com>
On 2021/1/28 下午10:41, Stefano Garzarella wrote:
> Handle VIRTIO_BLK_T_GET_ID request, always answering the
> "vdpa_blk_sim" string.
>
> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> ---
> v2:
> - made 'vdpasim_blk_id' static [Jason]
Acked-by: Jason Wang <jasowang@redhat.com>
> ---
> drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> index fc47e8320358..a3f8afad8d14 100644
> --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
> @@ -37,6 +37,7 @@
> #define VDPASIM_BLK_VQ_NUM 1
>
> static struct vdpasim *vdpasim_blk_dev;
> +static char vdpasim_blk_id[VIRTIO_BLK_ID_BYTES] = "vdpa_blk_sim";
>
> static bool vdpasim_blk_check_range(u64 start_sector, size_t range_size)
> {
> @@ -152,6 +153,20 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
> }
> break;
>
> + case VIRTIO_BLK_T_GET_ID:
> + bytes = vringh_iov_push_iotlb(&vq->vring, &vq->in_iov,
> + vdpasim_blk_id,
> + VIRTIO_BLK_ID_BYTES);
> + if (bytes < 0) {
> + dev_err(&vdpasim->vdpa.dev,
> + "vringh_iov_push_iotlb() error: %zd\n", bytes);
> + status = VIRTIO_BLK_S_IOERR;
> + break;
> + }
> +
> + pushed += bytes;
> + break;
> +
> default:
> dev_warn(&vdpasim->vdpa.dev,
> "Unsupported request type %d\n", type);
next prev parent reply other threads:[~2021-02-01 6:34 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 14:41 [PATCH RFC v2 00/10] vdpa: add vdpa simulator for block device Stefano Garzarella
2021-01-28 14:41 ` [PATCH RFC v2 01/10] vdpa_sim: use iova module to allocate IOVA addresses Stefano Garzarella
2021-01-28 14:41 ` [PATCH RFC v2 02/10] vringh: add 'iotlb_lock' to synchronize iotlb accesses Stefano Garzarella
2021-01-29 7:43 ` Jason Wang
[not found] ` <20210129091850.gatf3ih3knw2p4l4@steredhat>
2021-02-01 6:31 ` Jason Wang
2021-01-28 14:41 ` [PATCH RFC v2 03/10] vringh: reset kiov 'consumed' field in __vringh_iov() Stefano Garzarella
2021-02-01 5:40 ` Jason Wang
2021-02-01 10:21 ` Stefano Garzarella
2021-02-02 3:26 ` Jason Wang
2021-01-28 14:41 ` [PATCH RFC v2 04/10] vringh: implement vringh_kiov_advance() Stefano Garzarella
2021-02-01 5:43 ` Jason Wang
2021-02-01 10:23 ` Stefano Garzarella
2021-01-28 14:41 ` [PATCH RFC v2 05/10] vringh: add vringh_kiov_length() helper Stefano Garzarella
2021-02-01 5:46 ` Jason Wang
2021-01-28 14:41 ` [PATCH RFC v2 06/10] vdpa_sim: cleanup kiovs in vdpasim_free() Stefano Garzarella
2021-02-01 5:47 ` Jason Wang
2021-01-28 14:41 ` [PATCH RFC v2 07/10] vdpa: Remove the restriction that only supports virtio-net devices Stefano Garzarella
2021-01-28 14:41 ` [PATCH RFC v2 08/10] vdpa: add vdpa simulator for block device Stefano Garzarella
2021-01-31 15:31 ` Max Gurtovoy
2021-02-01 8:29 ` Stefano Garzarella
2021-02-01 5:50 ` Jason Wang
2021-02-02 9:34 ` Stefan Hajnoczi
2021-02-02 15:49 ` Stefano Garzarella
2021-02-03 16:45 ` Stefan Hajnoczi
2021-02-04 8:02 ` Stefano Garzarella
2021-01-28 14:41 ` [PATCH RFC v2 09/10] vdpa_sim_blk: implement ramdisk behaviour Stefano Garzarella
2021-02-01 6:03 ` Jason Wang
2021-02-02 9:41 ` Stefan Hajnoczi
2021-01-28 14:41 ` [PATCH RFC v2 10/10] vdpa_sim_blk: handle VIRTIO_BLK_T_GET_ID Stefano Garzarella
2021-02-01 6:04 ` Jason Wang [this message]
2021-02-02 9:44 ` Stefan Hajnoczi
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