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Date: Tue, 28 Apr 2020 10:51:49 +0000
From: liweihang <liweihang@...wei.com>
To: Maor Gottlieb <maorg@...lanox.com>,
"davem@...emloft.net" <davem@...emloft.net>,
"jgg@...lanox.com" <jgg@...lanox.com>,
"dledford@...hat.com" <dledford@...hat.com>,
"j.vosburgh@...il.com" <j.vosburgh@...il.com>,
"vfalico@...il.com" <vfalico@...il.com>,
"andy@...yhouse.net" <andy@...yhouse.net>,
"kuba@...nel.org" <kuba@...nel.org>,
"jiri@...lanox.com" <jiri@...lanox.com>,
"dsahern@...nel.org" <dsahern@...nel.org>
CC: "leonro@...lanox.com" <leonro@...lanox.com>,
"saeedm@...lanox.com" <saeedm@...lanox.com>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"alexr@...lanox.com" <alexr@...lanox.com>
Subject: Re: [PATCH V6 mlx5-next 10/16] RDMA: Group create AH arguments in
struct
On 2020/4/26 15:18, Maor Gottlieb wrote:
> Following patch adds additional argument to the create AH function,
> so it make sense to group ah_attr and flags arguments in struct.
>
> Signed-off-by: Maor Gottlieb <maorg@...lanox.com>
> ---
> drivers/infiniband/core/verbs.c | 5 ++++-
> drivers/infiniband/hw/bnxt_re/ib_verbs.c | 8 +++++---
> drivers/infiniband/hw/bnxt_re/ib_verbs.h | 2 +-
> drivers/infiniband/hw/efa/efa.h | 3 +--
> drivers/infiniband/hw/efa/efa_verbs.c | 6 +++---
> drivers/infiniband/hw/hns/hns_roce_ah.c | 5 +++--
> drivers/infiniband/hw/hns/hns_roce_device.h | 4 ++--
> drivers/infiniband/hw/mlx4/ah.c | 11 +++++++----
> drivers/infiniband/hw/mlx4/mlx4_ib.h | 2 +-
> drivers/infiniband/hw/mlx5/ah.c | 5 +++--
> drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 +-
> drivers/infiniband/hw/mthca/mthca_provider.c | 9 +++++----
> drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 3 ++-
> drivers/infiniband/hw/ocrdma/ocrdma_ah.h | 2 +-
> drivers/infiniband/hw/qedr/verbs.c | 4 ++--
> drivers/infiniband/hw/qedr/verbs.h | 2 +-
> drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 5 +++--
> drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h | 2 +-
> drivers/infiniband/sw/rdmavt/ah.c | 11 ++++++-----
> drivers/infiniband/sw/rdmavt/ah.h | 4 ++--
> drivers/infiniband/sw/rxe/rxe_verbs.c | 9 +++++----
> include/rdma/ib_verbs.h | 9 +++++++--
> 22 files changed, 66 insertions(+), 47 deletions(-)
>
> diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
> index 3bfadd8effcc..86be8a54a2d6 100644
> --- a/drivers/infiniband/core/verbs.c
> +++ b/drivers/infiniband/core/verbs.c
> @@ -502,6 +502,7 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
> u32 flags,
> struct ib_udata *udata)
> {
> + struct rdma_ah_init_attr init_attr = {};
> struct ib_device *device = pd->device;
> struct ib_ah *ah;
> int ret;
> @@ -521,8 +522,10 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
> ah->pd = pd;
> ah->type = ah_attr->type;
> ah->sgid_attr = rdma_update_sgid_attr(ah_attr, NULL);
> + init_attr.ah_attr = ah_attr;
> + init_attr.flags = flags;
>
> - ret = device->ops.create_ah(ah, ah_attr, flags, udata);
> + ret = device->ops.create_ah(ah, &init_attr, udata);
> if (ret) {
> kfree(ah);
> return ERR_PTR(ret);
> diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> index d98348e82422..5a7c090204c5 100644
> --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> @@ -631,11 +631,12 @@ static u8 bnxt_re_stack_to_dev_nw_type(enum rdma_network_type ntype)
> return nw_type;
> }
>
> -int bnxt_re_create_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr,
> - u32 flags, struct ib_udata *udata)
> +int bnxt_re_create_ah(struct ib_ah *ib_ah, struct rdma_ah_init_attr *init_attr,
> + struct ib_udata *udata)
> {
> struct ib_pd *ib_pd = ib_ah->pd;
> struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
> + struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
> const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
> struct bnxt_re_dev *rdev = pd->rdev;
> const struct ib_gid_attr *sgid_attr;
> @@ -673,7 +674,8 @@ int bnxt_re_create_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr,
>
> memcpy(ah->qplib_ah.dmac, ah_attr->roce.dmac, ETH_ALEN);
> rc = bnxt_qplib_create_ah(&rdev->qplib_res, &ah->qplib_ah,
> - !(flags & RDMA_CREATE_AH_SLEEPABLE));
> + !(init_attr->flags &
> + RDMA_CREATE_AH_SLEEPABLE));
> if (rc) {
> ibdev_err(&rdev->ibdev, "Failed to allocate HW AH");
> return rc;
> diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
> index 18dd46f46cf4..204c0849ba28 100644
> --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
> +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
> @@ -170,7 +170,7 @@ enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
> u8 port_num);
> int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
> void bnxt_re_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
> -int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
> +int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
> struct ib_udata *udata);
> int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
> int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
> diff --git a/drivers/infiniband/hw/efa/efa.h b/drivers/infiniband/hw/efa/efa.h
> index aa7396a1588a..45d519edb4c3 100644
> --- a/drivers/infiniband/hw/efa/efa.h
> +++ b/drivers/infiniband/hw/efa/efa.h
> @@ -153,8 +153,7 @@ int efa_mmap(struct ib_ucontext *ibucontext,
> struct vm_area_struct *vma);
> void efa_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
> int efa_create_ah(struct ib_ah *ibah,
> - struct rdma_ah_attr *ah_attr,
> - u32 flags,
> + struct rdma_ah_init_attr *init_attr,
> struct ib_udata *udata);
> void efa_destroy_ah(struct ib_ah *ibah, u32 flags);
> int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
> diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
> index 5c57098a4aee..454b01b21e6a 100644
> --- a/drivers/infiniband/hw/efa/efa_verbs.c
> +++ b/drivers/infiniband/hw/efa/efa_verbs.c
> @@ -1639,10 +1639,10 @@ static int efa_ah_destroy(struct efa_dev *dev, struct efa_ah *ah)
> }
>
> int efa_create_ah(struct ib_ah *ibah,
> - struct rdma_ah_attr *ah_attr,
> - u32 flags,
> + struct rdma_ah_init_attr *init_attr,
> struct ib_udata *udata)
> {
> + struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
> struct efa_dev *dev = to_edev(ibah->device);
> struct efa_com_create_ah_params params = {};
> struct efa_ibv_create_ah_resp resp = {};
> @@ -1650,7 +1650,7 @@ int efa_create_ah(struct ib_ah *ibah,
> struct efa_ah *ah = to_eah(ibah);
> int err;
>
> - if (!(flags & RDMA_CREATE_AH_SLEEPABLE)) {
> + if (!(init_attr->flags & RDMA_CREATE_AH_SLEEPABLE)) {
> ibdev_dbg(&dev->ibdev,
> "Create address handle is not supported in atomic context\n");
> err = -EOPNOTSUPP;
> diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
> index 8a522e14ef62..5b2f9314edd3 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_ah.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
> @@ -39,13 +39,14 @@
> #define HNS_ROCE_VLAN_SL_BIT_MASK 7
> #define HNS_ROCE_VLAN_SL_SHIFT 13
>
> -int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
> - u32 flags, struct ib_udata *udata)
> +int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
> + struct ib_udata *udata)
> {
> struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
> const struct ib_gid_attr *gid_attr;
> struct device *dev = hr_dev->dev;
> struct hns_roce_ah *ah = to_hr_ah(ibah);
> + struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
> const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
> u16 vlan_id = 0xffff;
> bool vlan_en = false;
> diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
> index f6b3cf6b95d6..74ef3f0b8b5a 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_device.h
> +++ b/drivers/infiniband/hw/hns/hns_roce_device.h
> @@ -1171,8 +1171,8 @@ void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
> unsigned long obj, int cnt,
> int rr);
>
> -int hns_roce_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
> - u32 flags, struct ib_udata *udata);
> +int hns_roce_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
> + struct ib_udata *udata);
> int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
> void hns_roce_destroy_ah(struct ib_ah *ah, u32 flags);
>
It's ok for the hns part, thank you.
Acked-by: Weihang Li <liweihang@...wei.com>
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