Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5deba86e authored by Yishai Hadas's avatar Yishai Hadas Committed by Jason Gunthorpe
Browse files

IB/mlx5: Set uid as part of RQT commands 



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: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 1cd6dbd3

drivers/infiniband/hw/mlx5/cmd.c

+11 −0
Original line number Diff line number Diff line
@@ -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)] = {};

drivers/infiniband/hw/mlx5/cmd.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/infiniband/hw/mlx5/mlx5_ib.h

+1 −0
Original line number Diff line number Diff line
@@ -325,6 +325,7 @@ enum { 
struct mlx5_ib_rwq_ind_table {

	struct ib_rwq_ind_table ib_rwq_ind_tbl;

	u32			rqtn;

	u16			uid;

};



struct mlx5_ib_ubuffer {

drivers/infiniband/hw/mlx5/qp.c

+5 −2
Original line number Diff line number Diff line
@@ -5679,6 +5679,9 @@ 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);
@@ -5697,7 +5700,7 @@ 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);
@@ -5708,7 +5711,7 @@ 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;