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IB/mlx5: Set uid as part of XRCD commands

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Set uid as part of XRCD commands so that the firmware can manage the
XRCD object in a secured way.

That will enable using an XRCD that was created by verbs application
to be used by the DEVX flow in case the uid is equal.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yishai Hadas
2018-09-20 21:39:31 +03:00
committed by Jason Gunthorpe
parent cf50a7863b
commit d00614c057
4 changed files with 34 additions and 2 deletions
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25
drivers/infiniband/hw/mlx5/cmd.c
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@@ -271,3 +271,28 @@ int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
memcpy(gid, mgid, sizeof(*mgid));
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid)
{
u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
int err;
MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
MLX5_SET(alloc_xrcd_in, in, uid, uid);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
return err;
}
int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
{
u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {};
u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
MLX5_SET(dealloc_xrcd_in, in, uid, uid);
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}