Displaying 2 results from an estimated 2 matches for "vhost_blk_vq_max_req".
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vhost_blk_vq_max_reqs
2018 Nov 02
0
[PATCH 1/1] Add vhost_blk driver
...F_IOMMU_PLATFORM) |
> + (1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
> + (1ULL << VIRTIO_RING_F_EVENT_IDX) |
> + (1ULL << VIRTIO_BLK_F_MQ)
> +};
> +
> +#define VHOST_BLK_SET_BACKEND _IOW(VHOST_VIRTIO, 0x50, int)
> +
> +enum {
> + VHOST_BLK_VQ_MAX = 16,
> + VHOST_BLK_VQ_MAX_REQS = 128,
> +};
> +
> +struct vhost_blk_req {
> + struct llist_node list;
> + int index;
> + struct vhost_blk_queue *q;
> + struct virtio_blk_outhdr hdr;
> + struct iovec *out_iov;
> + struct iovec *in_iov;
> + u8 out_num;
> + u8 in_num;
> + long len;
> + struct...
2018 Nov 06
0
[PATCH 1/1] Add vhost_blk driver
...he vhost-user device
(e.g. config space). That might be necessary to implement
virtio_blk_config.writeback properly.
> +#define VHOST_BLK_SET_BACKEND _IOW(VHOST_VIRTIO, 0x50, int)
Needs to be in the uapi header so userspace can use it.
> +
> +enum {
> + VHOST_BLK_VQ_MAX = 16,
> + VHOST_BLK_VQ_MAX_REQS = 128,
> +};
These limits seem arbitrary and probably too low.
> +
> +struct vhost_blk_req {
> + struct llist_node list;
> + int index;
> + struct vhost_blk_queue *q;
> + struct virtio_blk_outhdr hdr;
> + struct iovec *out_iov;
> + struct iovec *in_iov;
> + u8 out_n...