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authorEli Cohen <elic@nvidia.com>2021-05-31 18:04:04 +0200
committerMichael S. Tsirkin <mst@redhat.com>2021-07-03 10:50:56 +0200
commite13cd45d352dedac53529fb49e7d7e293f74fb90 (patch)
treefbb2d24124322b2151e997f73a0d3b40a0fb7101 /include
parentvdpa/mlx5: Fix possible failure in umem size calculation (diff)
downloadlinux-e13cd45d352dedac53529fb49e7d7e293f74fb90.tar.xz
linux-e13cd45d352dedac53529fb49e7d7e293f74fb90.zip
vdpa/mlx5: Support creating resources with uid == 0
Currently all resources must be created with uid != 0 which is essential when userspace processes are allocating virtquueue resources. Since this is a kernel implementation, it is perfectly legal to open resources with uid == 0. In case firmware supports, avoid allocating user context. Signed-off-by: Eli Cohen <elic@nvidia.com> Link: https://lore.kernel.org/r/20210531160404.31368-1-elic@nvidia.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mlx5/mlx5_ifc.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index b4546e29e561..b0009aa3647f 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1512,7 +1512,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 uar_4k[0x1];
u8 reserved_at_241[0x9];
u8 uar_sz[0x6];
- u8 reserved_at_250[0x8];
+ u8 reserved_at_248[0x2];
+ u8 umem_uid_0[0x1];
+ u8 reserved_at_250[0x5];
u8 log_pg_sz[0x8];
u8 bf[0x1];