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| author | Lijun Ou <oulijun@huawei.com> | 2019-06-08 14:46:09 +0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-06-20 12:56:34 -0400 |
| commit | 2ac0bc5e725e84d56b7fc8b280b2dbc9f2f10737 (patch) | |
| tree | cee8a73f0166971e006891b8c6421eac0d8183eb /drivers/infiniband/hw/hns/hns_roce_device.h | |
| parent | 38389eaa4db192648916464b60f6086d6bbaa6de (diff) | |
| download | linux-2ac0bc5e725e84d56b7fc8b280b2dbc9f2f10737.tar.bz2 | |
RDMA/hns: Add a group interfaces for optimizing buffers getting flow
Currently, the code for getting umem and kmem buffers exist many files,
this patch adds a group interfaces to simplify the buffers getting flow.
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index ec2ed5cac3bc..4974c42a77de 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -1211,6 +1211,18 @@ int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct, int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt, struct ib_umem *umem); +void hns_roce_init_buf_region(struct hns_roce_buf_region *region, int hopnum, + int offset, int buf_cnt); +int hns_roce_alloc_buf_list(struct hns_roce_buf_region *regions, + dma_addr_t **bufs, int count); +void hns_roce_free_buf_list(dma_addr_t **bufs, int count); + +int hns_roce_get_kmem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs, + int buf_cnt, int start, struct hns_roce_buf *buf); +int hns_roce_get_umem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs, + int buf_cnt, int start, struct ib_umem *umem, + int page_shift); + int hns_roce_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *srq_init_attr, struct ib_udata *udata); |