svn commit: r331009 - projects/bsd_rdma_4_9_stable_11/sys/ofed/include/rdma

[Hans Petter Selasky]

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