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Merge branch 'vhca-tunnel' into rdma.git for-next

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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
This commit is contained in:
Jason Gunthorpe 2019-07-08 13:48:55 -03:00
commit 20893d9da7
2 changed files with 24 additions and 6 deletions
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24
drivers/infiniband/hw/mlx5/devx.c
View File

@ -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;

6
include/linux/mlx5/mlx5_ifc.h
View File

@ -1390,7 +1390,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_6c8[0x28];
u8 sf_base_id[0x10];
u8 reserved_at_700[0x100];
u8 reserved_at_700[0x80];
u8 vhca_tunnel_commands[0x40];
u8 reserved_at_7c0[0x40];
};
enum mlx5_flow_destination_type {
@ -9694,7 +9696,7 @@ struct mlx5_ifc_general_obj_in_cmd_hdr_bits {
u8 opcode[0x10];
u8 uid[0x10];
u8 reserved_at_20[0x10];
u8 vhca_tunnel_id[0x10];
u8 obj_type[0x10];
u8 obj_id[0x20];