diff options
| author | Stefano Garzarella <sgarzare@redhat.com> | 2020-12-15 15:42:54 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-12-18 22:14:30 +0100 |
| commit | da7af6967c6e9815f8da60a8db1d0fe35b8e97b9 (patch) | |
| tree | 400e83e98bc94d07923781e11f0452e190e745f3 /drivers/vdpa | |
| parent | vdpa_sim: use kvmalloc to allocate vdpasim->buffer (diff) | |
| download | linux-da7af6967c6e9815f8da60a8db1d0fe35b8e97b9.tar.xz linux-da7af6967c6e9815f8da60a8db1d0fe35b8e97b9.zip | |
vdpa_sim: make vdpasim->buffer size configurable
Allow each device to specify the size of the buffer allocated
in vdpa_sim.
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20201215144256.155342-17-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 87529899033a..60e45db29b15 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -73,6 +73,7 @@ struct vdpasim; struct vdpasim_dev_attr { u64 supported_features; size_t config_size; + size_t buffer_size; int nvqs; u32 id; @@ -418,7 +419,7 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) if (!vdpasim->iommu) goto err_iommu; - vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL); + vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL); if (!vdpasim->buffer) goto err_iommu; @@ -787,6 +788,7 @@ static int __init vdpasim_dev_init(void) dev_attr.config_size = sizeof(struct virtio_net_config); dev_attr.get_config = vdpasim_net_get_config; dev_attr.work_fn = vdpasim_net_work; + dev_attr.buffer_size = PAGE_SIZE; vdpasim_dev = vdpasim_create(&dev_attr); |