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IB/mlx5: Set uid as part of TIR commands 

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

That will enable using a TIR 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 21:39:26 +03:00 committed by Jason Gunthorpe
parent 539ec98276
commit 443c1cf9d6
3 changed files with 27 additions and 9 deletions
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11
drivers/infiniband/hw/mlx5/cmd.c
View File

@ -198,6 +198,17 @@ int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out)
0, 0);
}
void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid)
{
u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};
u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {};
MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
MLX5_SET(destroy_tir_in, in, tirn, tirn);
MLX5_SET(destroy_tir_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)] = {};

1
drivers/infiniband/hw/mlx5/cmd.h
View File

@ -48,6 +48,7 @@ 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);
void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, 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,

24
drivers/infiniband/hw/mlx5/qp.c
View File

@ -37,6 +37,7 @@
#include <linux/mlx5/fs.h>
#include "mlx5_ib.h"
#include "ib_rep.h"
#include "cmd.h"
/* not supported currently */
static int wq_signature;
@ -1261,17 +1262,19 @@ static bool tunnel_offload_supported(struct mlx5_core_dev *dev)
static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq,
u32 qp_flags_en)
u32 qp_flags_en,
struct ib_pd *pd)
{
if (qp_flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC |
MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC))
mlx5_ib_disable_lb(dev, false, true);
mlx5_core_destroy_tir(dev->mdev, rq->tirn);
mlx5_cmd_destroy_tir(dev->mdev, rq->tirn, to_mpd(pd)->uid);
}
static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, u32 tdn,
u32 *qp_flags_en)
u32 *qp_flags_en,
struct ib_pd *pd)
{
u8 lb_flag = 0;
u32 *in;
@ -1284,6 +1287,7 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
if (!in)
return -ENOMEM;
MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid);
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT);
MLX5_SET(tirc, tirc, inline_rqn, rq->base.mqp.qpn);
@ -1310,7 +1314,7 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
err = mlx5_ib_enable_lb(dev, false, true);
if (err)
destroy_raw_packet_qp_tir(dev, rq, 0);
destroy_raw_packet_qp_tir(dev, rq, 0, pd);
}
kvfree(in);
@ -1354,8 +1358,7 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (err)
goto err_destroy_sq;
err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en);
err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd);
if (err)
goto err_destroy_rq;
}
@ -1385,7 +1388,7 @@ static void destroy_raw_packet_qp(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq = &raw_packet_qp->rq;
if (qp->rq.wqe_cnt) {
destroy_raw_packet_qp_tir(dev, rq, qp->flags_en);
destroy_raw_packet_qp_tir(dev, rq, qp->flags_en, qp->ibqp.pd);
destroy_raw_packet_qp_rq(dev, rq);
}
@ -1412,7 +1415,8 @@ static void destroy_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *q
if (qp->flags_en & (MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC |
MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC))
mlx5_ib_disable_lb(dev, false, true);
mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn);
mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn,
to_mpd(qp->ibqp.pd)->uid);
}
static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
@ -1510,6 +1514,7 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (!in)
return -ENOMEM;
MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid);
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
MLX5_SET(tirc, tirc, disp_type,
MLX5_TIRC_DISP_TYPE_INDIRECT);
@ -1626,7 +1631,8 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
err = mlx5_ib_enable_lb(dev, false, true);
if (err)
mlx5_core_destroy_tir(dev->mdev, qp->rss_qp.tirn);
mlx5_cmd_destroy_tir(dev->mdev, qp->rss_qp.tirn,
to_mpd(pd)->uid);
}
if (err)