Date: Thu, 15 Mar 2018 17:10:56 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r331009 - projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma Message-ID: <201803151710.w2FHAuSR092685@repo.freebsd.org>
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Author: hselasky Date: Thu Mar 15 17:10:56 2018 New Revision: 331009 URL: https://svnweb.freebsd.org/changeset/base/331009 Log: Implement support for ib_reg_phys_mr() in ibcore. Sponsored by: Mellanox Technologies Modified: projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs.h projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs_compat.h Modified: projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs.h ============================================================================== --- projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs.h Thu Mar 15 16:37:43 2018 (r331008) +++ projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs.h Thu Mar 15 17:10:56 2018 (r331009) @@ -1317,6 +1317,11 @@ enum ib_access_flags { IB_ACCESS_ON_DEMAND = (1<<6), }; +struct ib_phys_buf { + u64 addr; + u64 size; +}; + /* * XXX: these are apparently used for ->rereg_user_mr, no idea why they * are hidden here instead of a uapi header! @@ -1988,6 +1993,11 @@ struct ib_device { int wc_cnt); struct ib_mr * (*get_dma_mr)(struct ib_pd *pd, int mr_access_flags); + struct ib_mr * (*reg_phys_mr)(struct ib_pd *pd, + struct ib_phys_buf *phys_buf_array, + int num_phys_buf, + int mr_access_flags, + u64 *iova_start); struct ib_mr * (*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, Modified: projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs_compat.h ============================================================================== --- projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs_compat.h Thu Mar 15 16:37:43 2018 (r331008) +++ projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma/ib_verbs_compat.h Thu Mar 15 17:10:56 2018 (r331009) @@ -159,11 +159,6 @@ struct ib_mw_bind_info { int mw_access_flags; }; -struct ib_phys_buf { - u64 addr; - u64 size; -}; - struct ib_mr_attr { struct ib_pd *pd; u64 device_virt_addr; @@ -391,7 +386,27 @@ ib_reg_phys_mr(struct ib_pd *pd, int mr_access_flags, u64 * iova_start) { - return (ERR_PTR(-ENOSYS)); + struct ib_mr *mr; + int err; + + err = ib_check_mr_access(mr_access_flags); + if (err) + return ERR_PTR(err); + + if (!pd->device->reg_phys_mr) + return ERR_PTR(-ENOSYS); + + mr = pd->device->reg_phys_mr(pd, phys_buf_array, num_phys_buf, + mr_access_flags, iova_start); + if (IS_ERR(mr)) + return ERR_CAST(mr); + + mr->device = pd->device; + mr->pd = pd; + mr->uobject = NULL; + atomic_inc(&pd->usecnt); + + return (mr); } static inline int
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