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RDMA: Check srq_type during create_srq

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uverbs was blocking srq_types the driver doesn't support based on the
CREATE_XSRQ cmd_mask. Fix all drivers to check for supported srq_types
during create_srq and move CREATE_XSRQ to the core code.

Link: https://lore.kernel.org/r/5-v1-caa70ba3d1ab+1436e-ucmd_mask_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2020-10-03 20:20:05 -03:00
parent 44ce37bc8b
commit 652caba5b5
13 changed files with 32 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/core/device.c
View File

@ -610,6 +610,7 @@ struct ib_device *_ib_alloc_device(size_t size)
BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ) |
BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP) |
BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ) |
BIT_ULL(IB_USER_VERBS_CMD_CREATE_XSRQ) |
BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_MW) |
BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD) |
BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR) |

3
drivers/infiniband/hw/cxgb4/qp.c
View File

@ -2680,6 +2680,9 @@ int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs,
int ret;
int wr_len;
if (attrs->srq_type != IB_SRQT_BASIC)
return -EOPNOTSUPP;
pr_debug("%s ib_pd %p\n", __func__, pd);
php = to_c4iw_pd(pd);

4
drivers/infiniband/hw/hns/hns_roce_srq.c
View File

@ -288,6 +288,10 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
int ret;
u32 cqn;
if (init_attr->srq_type != IB_SRQT_BASIC &&
init_attr->srq_type != IB_SRQT_XRC)
return -EOPNOTSUPP;
/* Check the actual SRQ wqe and SRQ sge num */
if (init_attr->attr.max_wr >= hr_dev->caps.max_srq_wrs ||
init_attr->attr.max_sge > hr_dev->caps.max_srq_sges)

3
drivers/infiniband/hw/mlx4/main.c
View File

@ -2657,9 +2657,6 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
ibdev->ib_dev.dev.parent = &dev->persist->pdev->dev;
ibdev->ib_dev.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_CREATE_XSRQ);
ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_ops);
ibdev->ib_dev.uverbs_ex_cmd_mask |=
(1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |

4
drivers/infiniband/hw/mlx4/srq.c
View File

@ -86,6 +86,10 @@ int mlx4_ib_create_srq(struct ib_srq *ib_srq,
int err;
int i;
if (init_attr->srq_type != IB_SRQT_BASIC &&
init_attr->srq_type != IB_SRQT_XRC)
return -EOPNOTSUPP;
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes ||
init_attr->attr.max_sge > dev->dev->caps.max_srq_sge)

3
drivers/infiniband/hw/mlx5/main.c
View File

@ -4141,8 +4141,7 @@ static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
dev->ib_dev.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_CREATE_AH) |
(1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
(1ull << IB_USER_VERBS_CMD_CREATE_XSRQ);
(1ull << IB_USER_VERBS_CMD_DESTROY_AH);
dev->ib_dev.uverbs_ex_cmd_mask |=
(1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
(1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) |

5
drivers/infiniband/hw/mlx5/srq.c
View File

@ -226,6 +226,11 @@ int mlx5_ib_create_srq(struct ib_srq *ib_srq,
struct mlx5_srq_attr in = {};
__u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
if (init_attr->srq_type != IB_SRQT_BASIC &&
init_attr->srq_type != IB_SRQT_XRC &&
init_attr->srq_type != IB_SRQT_TM)
return -EOPNOTSUPP;
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= max_srq_wqes) {
mlx5_ib_dbg(dev, "max_wr %d, cap %d\n",

3
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -1770,6 +1770,9 @@ int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq);
if (init_attr->srq_type != IB_SRQT_BASIC)
return -EOPNOTSUPP;
if (init_attr->attr.max_sge > dev->attr.max_recv_sge)
return -EINVAL;
if (init_attr->attr.max_wr > dev->attr.max_rqe)

3
drivers/infiniband/hw/qedr/main.c
View File

@ -188,9 +188,6 @@ static void qedr_roce_register_device(struct qedr_dev *dev)
dev->ibdev.node_type = RDMA_NODE_IB_CA;
ib_set_device_ops(&dev->ibdev, &qedr_roce_dev_ops);
dev->ibdev.uverbs_cmd_mask |=
QEDR_UVERBS(CREATE_XSRQ);
}
static const struct ib_device_ops qedr_dev_ops = {

4
drivers/infiniband/hw/qedr/verbs.c
View File

@ -1546,6 +1546,10 @@ int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
"create SRQ called from %s (pd %p)\n",
(udata) ? "User lib" : "kernel", pd);
if (init_attr->srq_type != IB_SRQT_BASIC &&
init_attr->srq_type != IB_SRQT_XRC)
return -EOPNOTSUPP;
rc = qedr_check_srq_params(dev, init_attr, udata);
if (rc)
return -EINVAL;

2
drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c
View File

@ -121,7 +121,7 @@ int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
dev_warn(&dev->pdev->dev,
"shared receive queue type %d not supported\n",
init_attr->srq_type);
return -EINVAL;
return -EOPNOTSUPP;
}
if (init_attr->attr.max_wr > dev->dsr->caps.max_srq_wr ||

3
drivers/infiniband/sw/rxe/rxe_verbs.c
View File

@ -265,6 +265,9 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
struct rxe_srq *srq = to_rsrq(ibsrq);
struct rxe_create_srq_resp __user *uresp = NULL;
if (init->srq_type != IB_SRQT_BASIC)
return -EOPNOTSUPP;
if (udata) {
if (udata->outlen < sizeof(*uresp))
return -EINVAL;

3
drivers/infiniband/sw/siw/siw_verbs.c
View File

@ -1555,6 +1555,9 @@ int siw_create_srq(struct ib_srq *base_srq,
base_ucontext);
int rv;
if (init_attrs->srq_type != IB_SRQT_BASIC)
return -EOPNOTSUPP;
if (atomic_inc_return(&sdev->num_srq) > SIW_MAX_SRQ) {
siw_dbg_pd(base_srq->pd, "too many SRQ's\n");
rv = -ENOMEM;