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author | Yishai Hadas <yishaih@mellanox.com> | 2018-09-20 21:39:25 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-09-25 14:06:04 -0600 |
commit | 539ec982763a8f041761056a5fb9e09cdb6b3dcc (patch) | |
tree | 5e894f9c7795868e37e0379f2a58facb1c2a93f7 | |
parent | IB/mlx5: Set uid as part of DCT commands (diff) | |
download | linux-dev-539ec982763a8f041761056a5fb9e09cdb6b3dcc.tar.xz linux-dev-539ec982763a8f041761056a5fb9e09cdb6b3dcc.zip |
IB/mlx5: Set uid as part of MCG commands
Set uid as part of MCG commands so that the firmware can manage the
MCG object in a secured way.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.c | 30 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.h | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 11 |
3 files changed, 43 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index 67f16e900445..91cfc2856bc4 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -208,3 +208,33 @@ void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid) MLX5_SET(dealloc_pd_in, in, uid, uid); mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); } + +int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, + u32 qpn, u16 uid) +{ + u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {}; + u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {}; + void *gid; + + MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); + MLX5_SET(attach_to_mcg_in, in, qpn, qpn); + MLX5_SET(attach_to_mcg_in, in, uid, uid); + gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); + memcpy(gid, mgid, sizeof(*mgid)); + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} + +int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, + u32 qpn, u16 uid) +{ + u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {}; + u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {}; + void *gid; + + MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); + MLX5_SET(detach_from_mcg_in, in, qpn, qpn); + MLX5_SET(detach_from_mcg_in, in, uid, uid); + gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); + memcpy(gid, mgid, sizeof(*mgid)); + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h index 6df031d41a8f..24175b3d5965 100644 --- a/drivers/infiniband/hw/mlx5/cmd.h +++ b/drivers/infiniband/hw/mlx5/cmd.h @@ -48,4 +48,8 @@ int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr, u64 length, u32 alignment); int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length); void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid); +int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, + u32 qpn, u16 uid); +int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, + u32 qpn, u16 uid); #endif /* MLX5_IB_CMD_H */ diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 821dceb614a1..2ed30e181a8b 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4033,13 +4033,17 @@ static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) struct mlx5_ib_dev *dev = to_mdev(ibqp->device); struct mlx5_ib_qp *mqp = to_mqp(ibqp); int err; + u16 uid; + + uid = ibqp->pd ? + to_mpd(ibqp->pd)->uid : 0; if (mqp->flags & MLX5_IB_QP_UNDERLAY) { mlx5_ib_dbg(dev, "Attaching a multi cast group to underlay QP is not supported\n"); return -EOPNOTSUPP; } - err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); + err = mlx5_cmd_attach_mcg(dev->mdev, gid, ibqp->qp_num, uid); if (err) mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", ibqp->qp_num, gid->raw); @@ -4051,8 +4055,11 @@ static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { struct mlx5_ib_dev *dev = to_mdev(ibqp->device); int err; + u16 uid; - err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); + uid = ibqp->pd ? + to_mpd(ibqp->pd)->uid : 0; + err = mlx5_cmd_detach_mcg(dev->mdev, gid, ibqp->qp_num, uid); if (err) mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", ibqp->qp_num, gid->raw); |