Displaying 3 results from an estimated 3 matches for "iotlb_to_asid".
2023 Jan 24
0
[RFC PATCH 02/19] drivers/vhost: Convert to use vm_account
...Popple wrote:
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index ec32f78..a31dd53 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
...
> @@ -780,6 +780,10 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb,
> u32 asid = iotlb_to_asid(iotlb);
> int r = 0;
>
> + if (!vdpa->use_va)
> + if (vm_account_pinned(&dev->vm_account, PFN_DOWN(size)))
> + return -ENOMEM;
> +
> r = vhost_iotlb_add_range_ctx(iotlb, iova, iova + size - 1,
> pa, perm, opaque);
> if (r)
I suspect some e...
2020 Sep 24
30
[RFC PATCH 00/24] Control VQ support in vDPA
Hi All:
This series tries to add the support for control virtqueue in vDPA.
Control virtqueue is used by networking device for accepting various
commands from the driver. It's a must to support multiqueue and other
configurations.
When used by vhost-vDPA bus driver for VM, the control virtqueue
should be shadowed via userspace VMM (Qemu) instead of being assigned
directly to Guest. This is
2020 Sep 24
30
[RFC PATCH 00/24] Control VQ support in vDPA
Hi All:
This series tries to add the support for control virtqueue in vDPA.
Control virtqueue is used by networking device for accepting various
commands from the driver. It's a must to support multiqueue and other
configurations.
When used by vhost-vDPA bus driver for VM, the control virtqueue
should be shadowed via userspace VMM (Qemu) instead of being assigned
directly to Guest. This is