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authorJason Gunthorpe <jgg@mellanox.com>2019-07-08 13:48:55 -0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-08 13:48:55 -0300
commit20893d9da7af01f9202fa78782a178004eab420d (patch)
tree7554c9427a88af61d59ffb6a2b6b7f9f66c0c716 /drivers/infiniband/hw/mlx5/devx.c
parentRDMA/rvt: Do not use a kernel header in the ABI (diff)
parentIB/mlx5: Implement VHCA tunnel mechanism in DEVX (diff)
downloadlinux-dev-20893d9da7af01f9202fa78782a178004eab420d.tar.xz
linux-dev-20893d9da7af01f9202fa78782a178004eab420d.zip
Merge branch 'vhca-tunnel' into rdma.git for-next
Max Gurtovoy says: ==================== Those two patches introduce VHCA tunnel mechanism to DEVX interface needed for Bluefield SOC. See extensive commit messages for more information. ==================== Based on the mlx5-next branch from git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux for dependencies * branch 'vcha-tunnel': IB/mlx5: Implement VHCA tunnel mechanism in DEVX net/mlx5: Introduce VHCA tunnel device capability
Diffstat (limited to 'drivers/infiniband/hw/mlx5/devx.c')
-rw-r--r--drivers/infiniband/hw/mlx5/devx.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index e69a8693f102..ec4370f99381 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -894,12 +894,16 @@ static int devx_get_uid(struct mlx5_ib_ucontext *c, void *cmd_in)
return c->devx_uid;
}
-static bool devx_is_general_cmd(void *in)
+
+static bool devx_is_general_cmd(void *in, struct mlx5_ib_dev *dev)
{
u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode);
- if (opcode >= MLX5_CMD_OP_GENERAL_START &&
- opcode < MLX5_CMD_OP_GENERAL_END)
+ /* Pass all cmds for vhca_tunnel as general, tracking is done in FW */
+ if ((MLX5_CAP_GEN_64(dev->mdev, vhca_tunnel_commands) &&
+ MLX5_GET(general_obj_in_cmd_hdr, in, vhca_tunnel_id)) ||
+ (opcode >= MLX5_CMD_OP_GENERAL_START &&
+ opcode < MLX5_CMD_OP_GENERAL_END))
return true;
switch (opcode) {
@@ -1025,7 +1029,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)(
return uid;
/* Only white list of some general HCA commands are allowed for this method. */
- if (!devx_is_general_cmd(cmd_in))
+ if (!devx_is_general_cmd(cmd_in, dev))
return -EINVAL;
cmd_out = uverbs_zalloc(attrs, cmd_out_len);
@@ -1410,6 +1414,9 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
u32 obj_id;
u16 opcode;
+ if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id))
+ return -EINVAL;
+
uid = devx_get_uid(c, cmd_in);
if (uid < 0)
return uid;
@@ -1509,6 +1516,9 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)(
int err;
int uid;
+ if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id))
+ return -EINVAL;
+
uid = devx_get_uid(c, cmd_in);
if (uid < 0)
return uid;
@@ -1551,6 +1561,9 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)(
int uid;
struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device);
+ if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id))
+ return -EINVAL;
+
uid = devx_get_uid(c, cmd_in);
if (uid < 0)
return uid;
@@ -1688,6 +1701,9 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY)(
struct devx_async_cmd_event_file *ev_file;
struct devx_async_data *async_data;
+ if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id))
+ return -EINVAL;
+
uid = devx_get_uid(c, cmd_in);
if (uid < 0)
return uid;