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Date: Mon, 17 Sep 2018 14:04:09 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Doug Ledford <dledford@...hat.com>,
Jason Gunthorpe <jgg@...lanox.com>
Cc: Leon Romanovsky <leonro@...lanox.com>,
RDMA mailing list <linux-rdma@...r.kernel.org>,
Yishai Hadas <yishaih@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>,
linux-netdev <netdev@...r.kernel.org>
Subject: [PATCH rdma-next 16/25] IB/mlx5: Set uid as part of TD commands
From: Yishai Hadas <yishaih@...lanox.com>
Set uid as part of TD commands so that the firmware can
manage the TD object in a secured way.
Signed-off-by: Yishai Hadas <yishaih@...lanox.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
drivers/infiniband/hw/mlx5/cmd.c | 30 ++++++++++++++++++++++++++++++
drivers/infiniband/hw/mlx5/cmd.h | 4 ++++
drivers/infiniband/hw/mlx5/main.c | 33 ++++++++++++++++++---------------
3 files changed, 52 insertions(+), 15 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c
index 5560346102bd..9da10fbb7e23 100644
--- a/drivers/infiniband/hw/mlx5/cmd.c
+++ b/drivers/infiniband/hw/mlx5/cmd.c
@@ -241,3 +241,33 @@ 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_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
+ u16 uid)
+{
+ u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
+ int err;
+
+ MLX5_SET(alloc_transport_domain_in, in, opcode,
+ MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
+
+ err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ if (!err)
+ *tdn = MLX5_GET(alloc_transport_domain_out, out,
+ transport_domain);
+
+ return err;
+}
+
+void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
+ u16 uid)
+{
+ u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0};
+
+ MLX5_SET(dealloc_transport_domain_in, in, opcode,
+ MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
+ MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
+ 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 b47e98b8a53a..3a1d611216fb 100644
--- a/drivers/infiniband/hw/mlx5/cmd.h
+++ b/drivers/infiniband/hw/mlx5/cmd.h
@@ -51,4 +51,8 @@ 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);
void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid);
+int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
+ u16 uid);
+void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
+ u16 uid);
#endif /* MLX5_IB_CMD_H */
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 7e6fd5553ab3..c1f94bc09606 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1613,14 +1613,15 @@ void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp)
mutex_unlock(&dev->lb.mutex);
}
-static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn)
+static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn,
+ u16 uid)
{
int err;
if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
return 0;
- err = mlx5_core_alloc_transport_domain(dev->mdev, tdn);
+ err = mlx5_cmd_alloc_transport_domain(dev->mdev, tdn, uid);
if (err)
return err;
@@ -1632,12 +1633,13 @@ static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn)
return mlx5_ib_enable_lb(dev, true, false);
}
-static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn)
+static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn,
+ u16 uid)
{
if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
return;
- mlx5_core_dealloc_transport_domain(dev->mdev, tdn);
+ mlx5_cmd_dealloc_transport_domain(dev->mdev, tdn, uid);
if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) ||
(!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) &&
@@ -1756,22 +1758,23 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range;
#endif
- err = mlx5_ib_alloc_transport_domain(dev, &context->tdn);
- if (err)
- goto out_uars;
-
if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) {
/* Block DEVX on Infiniband as of SELinux */
if (mlx5_ib_port_link_layer(ibdev, 1) != IB_LINK_LAYER_ETHERNET) {
err = -EPERM;
- goto out_td;
+ goto out_uars;
}
err = mlx5_ib_devx_create(dev, context);
if (err)
- goto out_td;
+ goto out_uars;
}
+ err = mlx5_ib_alloc_transport_domain(dev, &context->tdn,
+ context->devx_uid);
+ if (err)
+ goto out_devx;
+
if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) {
err = mlx5_cmd_dump_fill_mkey(dev->mdev, &dump_fill_mkey);
if (err)
@@ -1866,10 +1869,10 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
return &context->ibucontext;
out_mdev:
+ mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid);
+out_devx:
if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX)
mlx5_ib_devx_destroy(dev, context);
-out_td:
- mlx5_ib_dealloc_transport_domain(dev, context->tdn);
out_uars:
deallocate_uars(dev, context);
@@ -1892,12 +1895,12 @@ static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
struct mlx5_bfreg_info *bfregi;
+ bfregi = &context->bfregi;
+ mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid);
+
if (context->devx_uid)
mlx5_ib_devx_destroy(dev, context);
- bfregi = &context->bfregi;
- mlx5_ib_dealloc_transport_domain(dev, context->tdn);
-
deallocate_uars(dev, context);
kfree(bfregi->sys_pages);
kfree(bfregi->count);
--
2.14.4
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