diff mbox series

[rdma-next,v1,10/15] IB/mlx5: Set uid as part of RQT commands

Message ID 20180920183933.14771-11-leon@kernel.org (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA preparation to DevX extension part | expand

Commit Message

Leon Romanovsky Sept. 20, 2018, 6:39 p.m. UTC 
From: Yishai Hadas <yishaih@mellanox.com>

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

That will enable using an RQT 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>
---
 drivers/infiniband/hw/mlx5/cmd.c     | 11 +++++++++++
 drivers/infiniband/hw/mlx5/cmd.h     |  1 +
 drivers/infiniband/hw/mlx5/mlx5_ib.h |  1 +
 drivers/infiniband/hw/mlx5/qp.c      |  7 +++++--
 4 files changed, 18 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c
index 40f7299dbb1d..6862b03dbdec 100644
--- a/drivers/infiniband/hw/mlx5/cmd.c
+++ b/drivers/infiniband/hw/mlx5/cmd.c
@@ -220,6 +220,17 @@  void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid)
 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 }
 
+void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid)
+{
+	u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)]   = {};
+	u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {};
+
+	MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
+	MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
+	MLX5_SET(destroy_rqt_in, in, uid, uid);
+	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+}
+
 void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
 {
 	u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {};
diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h
index f7722d7b92a3..742452e4be7e 100644
--- a/drivers/infiniband/hw/mlx5/cmd.h
+++ b/drivers/infiniband/hw/mlx5/cmd.h
@@ -50,6 +50,7 @@  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);
 void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid);
 void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid);
+void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, 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,
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 88ea0df71d94..30e57973c575 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -335,6 +335,7 @@  enum {
 struct mlx5_ib_rwq_ind_table {
 	struct ib_rwq_ind_table ib_rwq_ind_tbl;
 	u32			rqtn;
+	u16			uid;
 };
 
 struct mlx5_ib_ubuffer {
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index f5bfcd21f087..86f6ad3d14a8 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -5732,6 +5732,9 @@  struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
 	for (i = 0; i < sz; i++)
 		MLX5_SET(rqtc, rqtc, rq_num[i], init_attr->ind_tbl[i]->wq_num);
 
+	rwq_ind_tbl->uid = to_mpd(init_attr->ind_tbl[0]->pd)->uid;
+	MLX5_SET(create_rqt_in, in, uid, rwq_ind_tbl->uid);
+
 	err = mlx5_core_create_rqt(dev->mdev, in, inlen, &rwq_ind_tbl->rqtn);
 	kvfree(in);
 
@@ -5750,7 +5753,7 @@  struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
 	return &rwq_ind_tbl->ib_rwq_ind_tbl;
 
 err_copy:
-	mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn);
+	mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid);
 err:
 	kfree(rwq_ind_tbl);
 	return ERR_PTR(err);
@@ -5761,7 +5764,7 @@  int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl)
 	struct mlx5_ib_rwq_ind_table *rwq_ind_tbl = to_mrwq_ind_table(ib_rwq_ind_tbl);
 	struct mlx5_ib_dev *dev = to_mdev(ib_rwq_ind_tbl->device);
 
-	mlx5_core_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn);
+	mlx5_cmd_destroy_rqt(dev->mdev, rwq_ind_tbl->rqtn, rwq_ind_tbl->uid);
 
 	kfree(rwq_ind_tbl);
 	return 0;