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RDMA/mlx5: Globally parse DEVX UID 

Remove duplication in parsing of DEVX UID.

Link: https://lore.kernel.org/r/20200427154636.381474-27-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2020-04-27 18:46:26 +03:00 committed by Jason Gunthorpe
parent 0ce300b15a
commit 21aad80b17
1 changed files with 27 additions and 24 deletions
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51
drivers/infiniband/hw/mlx5/qp.c
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@ -1916,18 +1916,16 @@ static int get_atomic_mode(struct mlx5_ib_dev *dev,
static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct mlx5_ib_create_qp *ucmd,
struct ib_udata *udata, struct mlx5_ib_qp *qp)
struct ib_udata *udata, struct mlx5_ib_qp *qp,
u32 uidx)
{
struct mlx5_ib_resources *devr = &dev->devr;
int inlen = MLX5_ST_SZ_BYTES(create_qp_in);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_ib_create_qp_resp resp = {};
struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx5_ib_ucontext, ibucontext);
struct mlx5_ib_cq *send_cq;
struct mlx5_ib_cq *recv_cq;
unsigned long flags;
u32 uidx = MLX5_IB_DEFAULT_UIDX;
struct mlx5_ib_qp_base *base;
int mlx5_st;
void *qpc;
@ -1945,12 +1943,6 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
if (udata) {
err = get_qp_user_index(ucontext, ucmd, udata->inlen, &uidx);
if (err)
return err;
}
if (qp->flags & IB_QP_CREATE_SOURCE_QPN)
qp->underlay_qpn = init_attr->source_qpn;
@ -2329,18 +2321,10 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
static int create_dct(struct ib_pd *pd, struct mlx5_ib_qp *qp,
struct ib_qp_init_attr *attr,
struct mlx5_ib_create_qp *ucmd, struct ib_udata *udata)
struct mlx5_ib_create_qp *ucmd, u32 uidx)
{
struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx5_ib_ucontext, ibucontext);
int err = 0;
u32 uidx = MLX5_IB_DEFAULT_UIDX;
void *dctc;
err = get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), &uidx);
if (err)
return err;
qp->dct.in = kzalloc(MLX5_ST_SZ_BYTES(create_dct_in), GFP_KERNEL);
if (!qp->dct.in)
return -ENOMEM;
@ -2651,14 +2635,14 @@ static size_t process_udata_size(struct ib_qp_init_attr *attr,
static int create_raw_qp(struct ib_pd *pd, struct mlx5_ib_qp *qp,
struct ib_qp_init_attr *attr, void *ucmd,
struct ib_udata *udata)
struct ib_udata *udata, u32 uidx)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
if (attr->rwq_ind_tbl)
return create_rss_raw_qp_tir(pd, qp, attr, ucmd, udata);
return create_qp_common(dev, pd, attr, ucmd, udata, qp);
return create_qp_common(dev, pd, attr, ucmd, udata, qp, uidx);
}
static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
@ -2688,10 +2672,24 @@ static int check_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
return ret;
}
static int get_qp_uidx(struct mlx5_ib_qp *qp, struct ib_udata *udata,
struct mlx5_ib_create_qp *ucmd,
struct ib_qp_init_attr *attr, u32 *uidx)
{
struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx5_ib_ucontext, ibucontext);
if (attr->rwq_ind_tbl)
return 0;
return get_qp_user_index(ucontext, ucmd, sizeof(*ucmd), uidx);
}
struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
{
u32 uidx = MLX5_IB_DEFAULT_UIDX;
struct mlx5_ib_dev *dev;
struct mlx5_ib_qp *qp;
enum ib_qp_type type;
@ -2743,6 +2741,10 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
err = process_vendor_flags(dev, qp, ucmd, init_attr);
if (err)
goto free_qp;
err = get_qp_uidx(qp, udata, ucmd, init_attr, &uidx);
if (err)
goto free_qp;
}
err = process_create_flags(dev, qp, init_attr);
if (err)
@ -2757,13 +2759,14 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
switch (qp->type) {
case IB_QPT_RAW_PACKET:
err = create_raw_qp(pd, qp, init_attr, ucmd, udata);
err = create_raw_qp(pd, qp, init_attr, ucmd, udata, uidx);
break;
case MLX5_IB_QPT_DCT:
err = create_dct(pd, qp, init_attr, ucmd, udata);
err = create_dct(pd, qp, init_attr, ucmd, uidx);
break;
default:
err = create_qp_common(dev, pd, init_attr, ucmd, udata, qp);
err = create_qp_common(dev, pd, init_attr, ucmd, udata, qp,
uidx);
}
if (err) {
mlx5_ib_dbg(dev, "create_qp_common failed\n");