From 48afbff673d3d2ff6c52342574392db504dae301 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Thu, 6 Aug 2015 18:32:56 +0300 Subject: IB/iser: Introduce iser_reg_ops Move all the per-device function pointers to an easy extensible iser_reg_ops structure that contains all the iser registration operations. Signed-off-by: Sagi Grimberg Signed-off-by: Doug Ledford --- drivers/infiniband/ulp/iser/iser_verbs.c | 30 +++++++----------------------- 1 file changed, 7 insertions(+), 23 deletions(-) (limited to 'drivers/infiniband/ulp/iser/iser_verbs.c') diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index adec4d743861..17f43cf354da 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -87,25 +87,9 @@ static int iser_create_device_ib_res(struct iser_device *device) return ret; } - /* Assign function handles - based on FMR support */ - if (device->ib_device->alloc_fmr && device->ib_device->dealloc_fmr && - device->ib_device->map_phys_fmr && device->ib_device->unmap_fmr) { - iser_info("FMR supported, using FMR for registration\n"); - device->iser_alloc_rdma_reg_res = iser_create_fmr_pool; - device->iser_free_rdma_reg_res = iser_free_fmr_pool; - device->iser_reg_rdma_mem = iser_reg_rdma_mem_fmr; - device->iser_unreg_rdma_mem = iser_unreg_mem_fmr; - } else - if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) { - iser_info("FastReg supported, using FastReg for registration\n"); - device->iser_alloc_rdma_reg_res = iser_create_fastreg_pool; - device->iser_free_rdma_reg_res = iser_free_fastreg_pool; - device->iser_reg_rdma_mem = iser_reg_rdma_mem_fastreg; - device->iser_unreg_rdma_mem = iser_unreg_mem_fastreg; - } else { - iser_err("IB device does not support FMRs nor FastRegs, can't register memory\n"); - return -1; - } + ret = iser_assign_reg_ops(device); + if (ret) + return ret; device->comps_used = min_t(int, num_online_cpus(), device->ib_device->num_comp_vectors); @@ -211,11 +195,11 @@ static void iser_free_device_ib_res(struct iser_device *device) } /** - * iser_create_fmr_pool - Creates FMR pool and page_vector + * iser_alloc_fmr_pool - Creates FMR pool and page_vector * * returns 0 on success, or errno code on failure */ -int iser_create_fmr_pool(struct ib_conn *ib_conn, unsigned cmds_max) +int iser_alloc_fmr_pool(struct ib_conn *ib_conn, unsigned cmds_max) { struct iser_device *device = ib_conn->device; struct ib_fmr_pool_param params; @@ -384,11 +368,11 @@ pi_ctx_alloc_failure: } /** - * iser_create_fastreg_pool - Creates pool of fast_reg descriptors + * iser_alloc_fastreg_pool - Creates pool of fast_reg descriptors * for fast registration work requests. * returns 0 on success, or errno code on failure */ -int iser_create_fastreg_pool(struct ib_conn *ib_conn, unsigned cmds_max) +int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, unsigned cmds_max) { struct iser_device *device = ib_conn->device; struct iser_fr_desc *desc; -- cgit v1.2.3-59-g8ed1b