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authorYishai Hadas <yishaih@mellanox.com>2018-09-20 21:39:19 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-09-25 14:06:04 -0600
commita1069c1c75d5be4d7fed354a33e5590de27ae0f3 (patch)
tree5dd2e8c1c504f47ae807847459a9b985ff0c4f19 /drivers/infiniband/hw/mlx5/main.c
parent1d6fba92d7325cfc96ff52c3335b63bb6326abf5 (diff)
downloadlwn-a1069c1c75d5be4d7fed354a33e5590de27ae0f3.tar.gz
lwn-a1069c1c75d5be4d7fed354a33e5590de27ae0f3.zip
IB/mlx5: Use uid as part of PD commands
Use uid as part of PD commands so that the firmware can manage the PD object in a secured way. For example when a QP is created its uid must match the CQ uid which it uses. Next patches in this series will use the uid from the PD, then will come a patch to set the uid on the PD so that all objects will be properly work in one change. 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 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 853574345d91..821dceb614a1 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2254,21 +2254,29 @@ static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
struct mlx5_ib_alloc_pd_resp resp;
struct mlx5_ib_pd *pd;
int err;
+ u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
+ u16 uid = 0;
pd = kmalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
- err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn);
+ MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
+ MLX5_SET(alloc_pd_in, in, uid, uid);
+ err = mlx5_cmd_exec(to_mdev(ibdev)->mdev, in, sizeof(in),
+ out, sizeof(out));
if (err) {
kfree(pd);
return ERR_PTR(err);
}
+ pd->pdn = MLX5_GET(alloc_pd_out, out, pd);
+ pd->uid = uid;
if (context) {
resp.pdn = pd->pdn;
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
- mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn);
+ mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid);
kfree(pd);
return ERR_PTR(-EFAULT);
}
@@ -2282,7 +2290,7 @@ static int mlx5_ib_dealloc_pd(struct ib_pd *pd)
struct mlx5_ib_dev *mdev = to_mdev(pd->device);
struct mlx5_ib_pd *mpd = to_mpd(pd);
- mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn);
+ mlx5_cmd_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid);
kfree(mpd);
return 0;