From: Longpeng <longpeng2@xxxxxxxxxx> To support generic vdpa deivce[1], we need add the following ioctls: - GET_CONFIG_SIZE: the size of the virtio config space (Patch 1) - GET_VQS_COUNT: the count of virtqueues that exposed (Patch 2) Patch 3 supports ctrl vq for vdpasim_net, then guys can test the generic vDPA device on the vdpasim_net/blk. [1] https://lore.kernel.org/all/20220105005900.860-1-longpeng2@xxxxxxxxxx/ Longpeng (3): vdpa: support exposing the config size to userspace vdpa: support exposing the count of vqs to userspace vdpasim_net: control virtqueue support drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 83 +++++++++++++++++++++++++++- drivers/vhost/vdpa.c | 30 ++++++++++ include/uapi/linux/vhost.h | 7 +++ 3 files changed, 118 insertions(+), 2 deletions(-) -- 2.23.0
