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IB/mlx5: Set uid as part of TD commands 

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@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 21:39:32 +03:00 committed by Jason Gunthorpe
parent d00614c057
commit d2d19121ae
3 changed files with 52 additions and 15 deletions
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30
drivers/infiniband/hw/mlx5/cmd.c
View File

@ -231,6 +231,36 @@ void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 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));
}
void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
{
u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {};

4
drivers/infiniband/hw/mlx5/cmd.h
View File

@ -51,6 +51,10 @@ 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_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);
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,

33
drivers/infiniband/hw/mlx5/main.c
View File

@ -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)
@ -1864,10 +1867,10 @@ 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);
@ -1897,12 +1900,12 @@ static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
mutex_unlock(&ibcontext->per_mm_list_lock);
#endif
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);