Re: [PATCH v8] verbs: Introduce a new reg_mr API for virtual address space

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On Mon, Jul 15, 2019 at 05:13:28PM +0300, Yuval Shaia wrote:
> The virtual address that is registered is used as a base for any address
> passed later in post_recv and post_send operations.
> 
> On some virtualized environment this is not correct.
> 
> A guest cannot register its memory so hypervisor maps the guest physical
> address to a host virtual address and register it with the HW. Later on,
> at datapath phase, the guest fills the SGEs with addresses from its
> address space.
> Since HW cannot access guest virtual address space an extra translation
> is needed to map those addresses to be based on the host virtual address
> that was registered with the HW.
> This datapath interference affects performances.
> 
> To avoid this, a logical separation between the address that is
> registered and the address that is used as a offset at datapath phase is
> needed.
> This separation is already implemented in the lower layer part
> (ibv_cmd_reg_mr) but blocked at the API level.
> 
> Fix it by introducing a new API function which accepts an address from
> guest virtual address space as well, to be used as offset for later
> datapath operations.
> 
> Signed-off-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> ---
> v0 -> v1:
> 	* Change reg_mr callback signature instead of adding new callback
> 	* Add the new API to libibverbs/libibverbs.map.in
> v1 -> v2:
> 	* Do not modify reg_mr signature for version 1.0
> 	* Add note to man page
> v2 -> v3:
> 	* Rename function to reg_mr_iova (and arg-name to iova)
> 	* Some checkpatch issues not related to this fix but detected now
> 		* s/__FUNCTION__/__func
> 		* WARNING: function definition argument 'void *' should
> 		  also have an identifier name
> v3 -> v4:
> 	* Fix commit message as suggested by Adit Ranadiv
> 	* Add support for efa
> v4 -> v5:
> 	* Update PABI
> 	* Update debian files
> v5 -> v6:
> 	* Move the new API to section in libibverbs/libibverbs.map.in
> 	  (IBVERBS_1.7) as pointed out by Mark Haywood
> v6 -> v7:
> 	* 
> v7 -> v8:
> 	* Update also redhat and suse specfiles so now all CI checks in
> 	  github passed.

Also rebased to latest and fix siw as well.

> 	* Leon, i have your r-b from v5, appriciate if you can take a look
> 	  again now, with all the latest changes
> ---
>  CMakeLists.txt                    |  4 ++--
>  buildlib/cbuild                   |  6 ++++++
>  debian/control                    |  2 +-
>  debian/libibverbs1.symbols        |  4 +++-
>  libibverbs/CMakeLists.txt         |  2 +-
>  libibverbs/driver.h               |  2 +-
>  libibverbs/dummy_ops.c            |  2 +-
>  libibverbs/libibverbs.map.in      |  5 +++++
>  libibverbs/man/ibv_reg_mr.3       | 15 +++++++++++++--
>  libibverbs/verbs.c                | 23 ++++++++++++++++++++++-
>  libibverbs/verbs.h                |  7 +++++++
>  providers/bnxt_re/verbs.c         |  6 +++---
>  providers/bnxt_re/verbs.h         |  2 +-
>  providers/cxgb3/iwch.h            |  4 ++--
>  providers/cxgb3/verbs.c           | 15 +++++----------
>  providers/cxgb4/libcxgb4.h        |  4 ++--
>  providers/cxgb4/verbs.c           | 15 +++++----------
>  providers/efa/verbs.c             |  4 ++--
>  providers/efa/verbs.h             |  2 +-
>  providers/hfi1verbs/hfiverbs.h    |  4 ++--
>  providers/hfi1verbs/verbs.c       |  8 ++++----
>  providers/hns/hns_roce_u.h        |  2 +-
>  providers/hns/hns_roce_u_verbs.c  |  6 +++---
>  providers/i40iw/i40iw_umain.h     |  3 ++-
>  providers/i40iw/i40iw_uverbs.c    |  8 ++++----
>  providers/ipathverbs/ipathverbs.h |  4 ++--
>  providers/ipathverbs/verbs.c      |  8 ++++----
>  providers/mlx4/mlx4.h             |  4 ++--
>  providers/mlx4/verbs.c            |  7 +++----
>  providers/mlx5/mlx5.h             |  4 ++--
>  providers/mlx5/verbs.c            |  7 +++----
>  providers/mthca/ah.c              |  3 ++-
>  providers/mthca/mthca.h           |  4 ++--
>  providers/mthca/verbs.c           |  6 +++---
>  providers/nes/nes_umain.h         |  3 ++-
>  providers/nes/nes_uverbs.c        |  9 ++++-----
>  providers/ocrdma/ocrdma_main.h    |  4 ++--
>  providers/ocrdma/ocrdma_verbs.c   | 10 ++++------
>  providers/qedr/qelr_main.h        |  4 ++--
>  providers/qedr/qelr_verbs.c       | 11 ++++-------
>  providers/qedr/qelr_verbs.h       |  4 ++--
>  providers/rxe/rxe.c               |  6 +++---
>  providers/siw/siw.c               |  4 ++--
>  providers/vmw_pvrdma/pvrdma.h     |  4 ++--
>  providers/vmw_pvrdma/verbs.c      |  7 +++----
>  redhat/rdma-core.spec             |  2 +-
>  suse/rdma-core.spec               |  2 +-
>  47 files changed, 154 insertions(+), 118 deletions(-)
> 
> diff --git a/CMakeLists.txt b/CMakeLists.txt
> index b2613284..67112ae3 100644
> --- a/CMakeLists.txt
> +++ b/CMakeLists.txt
> @@ -68,11 +68,11 @@ endif()
>  set(PACKAGE_NAME "RDMA")
>  
>  # See Documentation/versioning.md
> -set(PACKAGE_VERSION "25.0")
> +set(PACKAGE_VERSION "26.0")
>  # When this is changed the values in these files need changing too:
>  #   debian/control
>  #   debian/libibverbs1.symbols
> -set(IBVERBS_PABI_VERSION "25")
> +set(IBVERBS_PABI_VERSION "26")
>  set(IBVERBS_PROVIDER_SUFFIX "-rdmav${IBVERBS_PABI_VERSION}.so")
>  
>  #-------------------------
> diff --git a/buildlib/cbuild b/buildlib/cbuild
> index 83ada8ee..1658cc9c 100755
> --- a/buildlib/cbuild
> +++ b/buildlib/cbuild
> @@ -1054,6 +1054,9 @@ def cmd_make_dist_tar(args):
>      """Make the standard distribution tar. The BUILD argument must point to a build
>      output directory that has pandoc-prebuilt"""
>      ver = get_version();
> +    #print "file=%s"%(spec_file);
> +    #print "ver=%s"%(ver);
> +    #print "get_version()=%s"%(ver);
>  
>      if not args.tarfn:
>          args.tarfn = "%s-%s.tar.gz"%(project,ver)
> @@ -1072,6 +1075,7 @@ def cmd_make_dist_tar(args):
>                                 "HEAD"]);
>  
>          # Mangle the paths and append the prebuilt stuff to the tar file
> +        print "file=%s"%(tmp_tarfn);
>          if args.BUILD:
>              subprocess.check_call([
>                  "tar",
> @@ -1080,7 +1084,9 @@ def cmd_make_dist_tar(args):
>                  "./",
>                  "--xform",r"s|^\.|%sbuildlib/pandoc-prebuilt|g"%(prefix)]);
>  
> +        print "file=%s"%(tmp_tarfn);
>          assert args.tarfn.endswith(".gz") or args.tarfn.endswith(".tgz");
> +        print "file=%s"%(tmp_tarfn);
>          with open(os.path.join(args.script_pwd,args.tarfn),"w") as F:
>              subprocess.check_call(["gzip","-9c",tmp_tarfn],stdout=F);
>  
> diff --git a/debian/control b/debian/control
> index dfd0184a..22010aed 100644
> --- a/debian/control
> +++ b/debian/control
> @@ -162,7 +162,7 @@ Section: libs
>  Pre-Depends: ${misc:Pre-Depends}
>  Depends: adduser, ${misc:Depends}, ${shlibs:Depends}
>  Recommends: ibverbs-providers
> -Breaks: ibverbs-providers (<< 25~)
> +Breaks: ibverbs-providers (<< 26~)
>  Description: Library for direct userspace use of RDMA (InfiniBand/iWARP)
>   libibverbs is a library that allows userspace processes to use RDMA
>   "verbs" as described in the InfiniBand Architecture Specification and
> diff --git a/debian/libibverbs1.symbols b/debian/libibverbs1.symbols
> index 39b3d4a9..8df78756 100644
> --- a/debian/libibverbs1.symbols
> +++ b/debian/libibverbs1.symbols
> @@ -4,7 +4,8 @@ libibverbs.so.1 libibverbs1 #MINVER#
>   IBVERBS_1.1@IBVERBS_1.1 1.1.6
>   IBVERBS_1.5@IBVERBS_1.5 20
>   IBVERBS_1.6@IBVERBS_1.6 24
> - (symver)IBVERBS_PRIVATE_25 25
> + IBVERBS_1.7@IBVERBS_1.7 25.0-1
> + (symver)IBVERBS_PRIVATE_26 25.0-1
>   ibv_ack_async_event@IBVERBS_1.0 1.1.6
>   ibv_ack_async_event@IBVERBS_1.1 1.1.6
>   ibv_ack_cq_events@IBVERBS_1.0 1.1.6
> @@ -89,6 +90,7 @@ libibverbs.so.1 libibverbs1 #MINVER#
>   ibv_read_sysfs_file@IBVERBS_1.0 1.1.6
>   ibv_reg_mr@IBVERBS_1.0 1.1.6
>   ibv_reg_mr@IBVERBS_1.1 1.1.6
> + ibv_reg_mr_iova@IBVERBS_1.7 25.0-1
>   ibv_register_driver@IBVERBS_1.1 1.1.6
>   ibv_rereg_mr@IBVERBS_1.1 1.2.1
>   ibv_resize_cq@IBVERBS_1.0 1.1.6
> diff --git a/libibverbs/CMakeLists.txt b/libibverbs/CMakeLists.txt
> index 1f5c59ed..a5926bbd 100644
> --- a/libibverbs/CMakeLists.txt
> +++ b/libibverbs/CMakeLists.txt
> @@ -21,7 +21,7 @@ configure_file("libibverbs.map.in"
>  
>  rdma_library(ibverbs "${CMAKE_CURRENT_BINARY_DIR}/libibverbs.map"
>    # See Documentation/versioning.md
> -  1 1.6.${PACKAGE_VERSION}
> +  1 1.7.${PACKAGE_VERSION}
>    all_providers.c
>    cmd.c
>    cmd_ah.c
> diff --git a/libibverbs/driver.h b/libibverbs/driver.h
> index 2e2131f2..88ed2b5e 100644
> --- a/libibverbs/driver.h
> +++ b/libibverbs/driver.h
> @@ -362,7 +362,7 @@ struct verbs_context_ops {
>  				    uint64_t dm_offset, size_t length,
>  				    unsigned int access);
>  	struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr, size_t length,
> -				 int access);
> +				 uint64_t hca_va, int access);
>  	int (*req_notify_cq)(struct ibv_cq *cq, int solicited_only);
>  	int (*rereg_mr)(struct verbs_mr *vmr, int flags, struct ibv_pd *pd,
>  			void *addr, size_t length, int access);
> diff --git a/libibverbs/dummy_ops.c b/libibverbs/dummy_ops.c
> index ebc6eddd..6560371a 100644
> --- a/libibverbs/dummy_ops.c
> +++ b/libibverbs/dummy_ops.c
> @@ -411,7 +411,7 @@ static struct ibv_mr *reg_dm_mr(struct ibv_pd *pd, struct ibv_dm *dm,
>  }
>  
>  static struct ibv_mr *reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -			     int access)
> +			     uint64_t hca_va,  int access)
>  {
>  	errno = ENOSYS;
>  	return NULL;
> diff --git a/libibverbs/libibverbs.map.in b/libibverbs/libibverbs.map.in
> index ee253ec0..c1b4537a 100644
> --- a/libibverbs/libibverbs.map.in
> +++ b/libibverbs/libibverbs.map.in
> @@ -116,6 +116,11 @@ IBVERBS_1.6 {
>  		ibv_qp_to_qp_ex;
>  } IBVERBS_1.5;
>  
> +IBVERBS_1.7 {
> +	global:
> +		ibv_reg_mr_iova;
> +} IBVERBS_1.6;
> +
>  /* If any symbols in this stanza change ABI then the entire staza gets a new symbol
>     version. See the top level CMakeLists.txt for this setting. */
>  
> diff --git a/libibverbs/man/ibv_reg_mr.3 b/libibverbs/man/ibv_reg_mr.3
> index 631e5fe8..be90a57b 100644
> --- a/libibverbs/man/ibv_reg_mr.3
> +++ b/libibverbs/man/ibv_reg_mr.3
> @@ -3,7 +3,7 @@
>  .\"
>  .TH IBV_REG_MR 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual"
>  .SH "NAME"
> -ibv_reg_mr, ibv_dereg_mr \- register or deregister a memory region (MR)
> +ibv_reg_mr, ibv_reg_mr_iova, ibv_dereg_mr \- register or deregister a memory region (MR)
>  .SH "SYNOPSIS"
>  .nf
>  .B #include <infiniband/verbs.h>
> @@ -11,6 +11,10 @@ ibv_reg_mr, ibv_dereg_mr \- register or deregister a memory region (MR)
>  .BI "struct ibv_mr *ibv_reg_mr(struct ibv_pd " "*pd" ", void " "*addr" ,
>  .BI "                          size_t " "length" ", int " "access" );
>  .sp
> +.BI "struct ibv_mr *ibv_reg_mr_iova(struct ibv_pd " "*pd" ", void " "*addr" ,
> +.BI "                               size_t " "length" ", uint64_t " "hca_va" ,
> +.BI "                               int " "access" );
> +.sp
>  .BI "int ibv_dereg_mr(struct ibv_mr " "*mr" );
>  .fi
>  .SH "DESCRIPTION"
> @@ -52,11 +56,18 @@ Local read access is always enabled for the MR.
>  .PP
>  To create an implicit ODP MR, IBV_ACCESS_ON_DEMAND should be set, addr should be 0 and length should be SIZE_MAX.
>  .PP
> +.B ibv_reg_mr_iova()
> +ibv_reg_mr_iova is the same as the normal reg_mr, except that the user is
> +allowed to specify the virtual base address of the MR when accessed through
> +a lkey or rkey. The offset in the memory region is computed as 'addr +
> +(iova - hca_va)'. Specifying 0 for hca_va has the same effect as
> +IBV_ACCESS_ZERO_BASED.
> +.PP
>  .B ibv_dereg_mr()
>  deregisters the MR
>  .I mr\fR.
>  .SH "RETURN VALUE"
> -.B ibv_reg_mr()
> +.B ibv_reg_mr() / ibv_reg_mr_iova()
>  returns a pointer to the registered MR, or NULL if the request fails.
>  The local key (\fBL_Key\fR) field
>  .B lkey
> diff --git a/libibverbs/verbs.c b/libibverbs/verbs.c
> index c7e8e8e9..e5063af2 100644
> --- a/libibverbs/verbs.c
> +++ b/libibverbs/verbs.c
> @@ -306,7 +306,28 @@ LATEST_SYMVER_FUNC(ibv_reg_mr, 1_1, "IBVERBS_1.1",
>  	if (ibv_dontfork_range(addr, length))
>  		return NULL;
>  
> -	mr = get_ops(pd->context)->reg_mr(pd, addr, length, access);
> +	mr = get_ops(pd->context)->reg_mr(pd, addr, length, (uintptr_t) addr,
> +					  access);
> +	if (mr) {
> +		mr->context = pd->context;
> +		mr->pd      = pd;
> +		mr->addr    = addr;
> +		mr->length  = length;
> +	} else
> +		ibv_dofork_range(addr, length);
> +
> +	return mr;
> +}
> +
> +struct ibv_mr *ibv_reg_mr_iova(struct ibv_pd *pd, void *addr, size_t length,
> +			       uint64_t iova, int access)
> +{
> +	struct ibv_mr *mr;
> +
> +	if (ibv_dontfork_range(addr, length))
> +		return NULL;
> +
> +	mr = get_ops(pd->context)->reg_mr(pd, addr, length, iova, access);
>  	if (mr) {
>  		mr->context = pd->context;
>  		mr->pd      = pd;
> diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
> index 1b0aef03..1e01b5db 100644
> --- a/libibverbs/verbs.h
> +++ b/libibverbs/verbs.h
> @@ -2376,6 +2376,13 @@ static inline int ibv_close_xrcd(struct ibv_xrcd *xrcd)
>  struct ibv_mr *ibv_reg_mr(struct ibv_pd *pd, void *addr,
>  			  size_t length, int access);
>  
> +/**
> + * ibv_reg_mr_iova - Register a memory region with a virtual offset
> + * address
> + */
> +struct ibv_mr *ibv_reg_mr_iova(struct ibv_pd *pd, void *addr, size_t length,
> +			       uint64_t iova, int access);
> +
>  
>  enum ibv_rereg_mr_err_code {
>  	/* Old MR is valid, invalid input */
> diff --git a/providers/bnxt_re/verbs.c b/providers/bnxt_re/verbs.c
> index ed7ddb6e..2218e3a0 100644
> --- a/providers/bnxt_re/verbs.c
> +++ b/providers/bnxt_re/verbs.c
> @@ -131,7 +131,7 @@ int bnxt_re_free_pd(struct ibv_pd *ibvpd)
>  }
>  
>  struct ibv_mr *bnxt_re_reg_mr(struct ibv_pd *ibvpd, void *sva, size_t len,
> -			      int access)
> +			      uint64_t hca_va, int access)
>  {
>  	struct bnxt_re_mr *mr;
>  	struct ibv_reg_mr cmd;
> @@ -141,8 +141,8 @@ struct ibv_mr *bnxt_re_reg_mr(struct ibv_pd *ibvpd, void *sva, size_t len,
>  	if (!mr)
>  		return NULL;
>  
> -	if (ibv_cmd_reg_mr(ibvpd, sva, len, (uintptr_t)sva, access, &mr->vmr,
> -			   &cmd, sizeof(cmd), &resp.ibv_resp, sizeof(resp))) {
> +	if (ibv_cmd_reg_mr(ibvpd, sva, len, hca_va, access, &mr->vmr, &cmd,
> +			   sizeof(cmd), &resp.ibv_resp, sizeof(resp))) {
>  		free(mr);
>  		return NULL;
>  	}
> diff --git a/providers/bnxt_re/verbs.h b/providers/bnxt_re/verbs.h
> index b565d7e6..2e994880 100644
> --- a/providers/bnxt_re/verbs.h
> +++ b/providers/bnxt_re/verbs.h
> @@ -61,7 +61,7 @@ int bnxt_re_query_port(struct ibv_context *uctx, uint8_t port,
>  struct ibv_pd *bnxt_re_alloc_pd(struct ibv_context *uctx);
>  int bnxt_re_free_pd(struct ibv_pd *ibvpd);
>  struct ibv_mr *bnxt_re_reg_mr(struct ibv_pd *ibvpd, void *buf, size_t len,
> -			      int ibv_access_flags);
> +			      uint64_t hca_va, int ibv_access_flags);
>  int bnxt_re_dereg_mr(struct verbs_mr *vmr);
>  
>  struct ibv_cq *bnxt_re_create_cq(struct ibv_context *uctx, int ncqe,
> diff --git a/providers/cxgb3/iwch.h b/providers/cxgb3/iwch.h
> index c8de44e9..c7d85d3a 100644
> --- a/providers/cxgb3/iwch.h
> +++ b/providers/cxgb3/iwch.h
> @@ -150,8 +150,8 @@ extern int iwch_query_port(struct ibv_context *context, uint8_t port,
>  extern struct ibv_pd *iwch_alloc_pd(struct ibv_context *context);
>  extern int iwch_free_pd(struct ibv_pd *pd);
>  
> -extern struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr,
> -				  size_t length, int access);
> +extern struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +				  uint64_t hca_va, int access);
>  extern int iwch_dereg_mr(struct verbs_mr *mr);
>  
>  struct ibv_cq *iwch_create_cq(struct ibv_context *context, int cqe,
> diff --git a/providers/cxgb3/verbs.c b/providers/cxgb3/verbs.c
> index 8b90482a..39a44192 100644
> --- a/providers/cxgb3/verbs.c
> +++ b/providers/cxgb3/verbs.c
> @@ -103,15 +103,17 @@ int iwch_free_pd(struct ibv_pd *pd)
>  	return 0;
>  }
>  
> -static struct ibv_mr *__iwch_reg_mr(struct ibv_pd *pd, void *addr,
> -				    size_t length, uint64_t hca_va,
> -				    int access)
> +struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access)
>  {
>  	struct iwch_mr *mhp;
>  	struct ibv_reg_mr cmd;
>  	struct uiwch_reg_mr_resp resp;
>  	struct iwch_device *dev = to_iwch_dev(pd->context->device);
>  
> +	PDBG("%s addr %p length %ld hca_va %p\n", __func__, addr, length,
> +	     hca_va);
> +
>  	mhp = malloc(sizeof *mhp);
>  	if (!mhp)
>  		return NULL;
> @@ -140,13 +142,6 @@ static struct ibv_mr *__iwch_reg_mr(struct ibv_pd *pd, void *addr,
>  	return &mhp->vmr.ibv_mr;
>  }
>  
> -struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr,
> -			   size_t length, int access)
> -{
> -	PDBG("%s addr %p length %ld\n", __FUNCTION__, addr, length);
> -	return __iwch_reg_mr(pd, addr, length, (uintptr_t) addr, access);
> -}
> -
>  int iwch_dereg_mr(struct verbs_mr *vmr)
>  {
>  	int ret;
> diff --git a/providers/cxgb4/libcxgb4.h b/providers/cxgb4/libcxgb4.h
> index 0fbceab0..ce8f29dd 100644
> --- a/providers/cxgb4/libcxgb4.h
> +++ b/providers/cxgb4/libcxgb4.h
> @@ -198,8 +198,8 @@ int c4iw_query_port(struct ibv_context *context, uint8_t port,
>  struct ibv_pd *c4iw_alloc_pd(struct ibv_context *context);
>  int c4iw_free_pd(struct ibv_pd *pd);
>  
> -struct ibv_mr *c4iw_reg_mr(struct ibv_pd *pd, void *addr,
> -				  size_t length, int access);
> +struct ibv_mr *c4iw_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access);
>  int c4iw_dereg_mr(struct verbs_mr *vmr);
>  
>  struct ibv_cq *c4iw_create_cq(struct ibv_context *context, int cqe,
> diff --git a/providers/cxgb4/verbs.c b/providers/cxgb4/verbs.c
> index 452e4f1f..4240f6b3 100644
> --- a/providers/cxgb4/verbs.c
> +++ b/providers/cxgb4/verbs.c
> @@ -109,15 +109,17 @@ int c4iw_free_pd(struct ibv_pd *pd)
>  	return 0;
>  }
>  
> -static struct ibv_mr *__c4iw_reg_mr(struct ibv_pd *pd, void *addr,
> -				    size_t length, uint64_t hca_va,
> -				    int access)
> +struct ibv_mr *c4iw_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access)
>  {
>  	struct c4iw_mr *mhp;
>  	struct ibv_reg_mr cmd;
>  	struct ib_uverbs_reg_mr_resp resp;
>  	struct c4iw_dev *dev = to_c4iw_dev(pd->context->device);
>  
> +	PDBG("%s addr %p length %ld hca_va %p\n", __func__, addr, length,
> +	     hca_va);
> +
>  	mhp = malloc(sizeof *mhp);
>  	if (!mhp)
>  		return NULL;
> @@ -142,13 +144,6 @@ static struct ibv_mr *__c4iw_reg_mr(struct ibv_pd *pd, void *addr,
>  	return &mhp->vmr.ibv_mr;
>  }
>  
> -struct ibv_mr *c4iw_reg_mr(struct ibv_pd *pd, void *addr,
> -			   size_t length, int access)
> -{
> -	PDBG("%s addr %p length %ld\n", __func__, addr, length);
> -	return __c4iw_reg_mr(pd, addr, length, (uintptr_t) addr, access);
> -}
> -
>  int c4iw_dereg_mr(struct verbs_mr *vmr)
>  {
>  	int ret;
> diff --git a/providers/efa/verbs.c b/providers/efa/verbs.c
> index 4d36f9e1..d2500ecb 100644
> --- a/providers/efa/verbs.c
> +++ b/providers/efa/verbs.c
> @@ -126,7 +126,7 @@ int efa_dealloc_pd(struct ibv_pd *ibvpd)
>  }
>  
>  struct ibv_mr *efa_reg_mr(struct ibv_pd *ibvpd, void *sva, size_t len,
> -			  int access)
> +			  uint64_t hca_va, int access)
>  {
>  	struct ib_uverbs_reg_mr_resp resp;
>  	struct ibv_reg_mr cmd;
> @@ -136,7 +136,7 @@ struct ibv_mr *efa_reg_mr(struct ibv_pd *ibvpd, void *sva, size_t len,
>  	if (!mr)
>  		return NULL;
>  
> -	if (ibv_cmd_reg_mr(ibvpd, sva, len, (uintptr_t)sva, access, &mr->vmr,
> +	if (ibv_cmd_reg_mr(ibvpd, sva, len, hca_va, access, &mr->vmr,
>  			   &cmd, sizeof(cmd), &resp, sizeof(resp))) {
>  		free(mr);
>  		return NULL;
> diff --git a/providers/efa/verbs.h b/providers/efa/verbs.h
> index 1a49653f..7b532adc 100644
> --- a/providers/efa/verbs.h
> +++ b/providers/efa/verbs.h
> @@ -18,7 +18,7 @@ int efa_query_device_ex(struct ibv_context *context,
>  struct ibv_pd *efa_alloc_pd(struct ibv_context *uctx);
>  int efa_dealloc_pd(struct ibv_pd *ibvpd);
>  struct ibv_mr *efa_reg_mr(struct ibv_pd *ibvpd, void *buf, size_t len,
> -			  int ibv_access_flags);
> +			  uint64_t hca_va, int ibv_access_flags);
>  int efa_dereg_mr(struct verbs_mr *vmr);
>  
>  struct ibv_cq *efa_create_cq(struct ibv_context *uctx, int ncqe,
> diff --git a/providers/hfi1verbs/hfiverbs.h b/providers/hfi1verbs/hfiverbs.h
> index 070a01c9..b9e91d80 100644
> --- a/providers/hfi1verbs/hfiverbs.h
> +++ b/providers/hfi1verbs/hfiverbs.h
> @@ -204,8 +204,8 @@ struct ibv_pd *hfi1_alloc_pd(struct ibv_context *pd);
>  
>  int hfi1_free_pd(struct ibv_pd *pd);
>  
> -struct ibv_mr *hfi1_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access);
> +struct ibv_mr *hfi1_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access);
>  
>  int hfi1_dereg_mr(struct verbs_mr *vmr);
>  
> diff --git a/providers/hfi1verbs/verbs.c b/providers/hfi1verbs/verbs.c
> index ff001f6d..275f8d51 100644
> --- a/providers/hfi1verbs/verbs.c
> +++ b/providers/hfi1verbs/verbs.c
> @@ -129,8 +129,8 @@ int hfi1_free_pd(struct ibv_pd *pd)
>  	return 0;
>  }
>  
> -struct ibv_mr *hfi1_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access)
> +struct ibv_mr *hfi1_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct ibv_reg_mr cmd;
> @@ -141,8 +141,8 @@ struct ibv_mr *hfi1_reg_mr(struct ibv_pd *pd, void *addr,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr, access, vmr,
> -			     &cmd, sizeof cmd, &resp, sizeof resp);
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  
>  	if (ret) {
>  		free(vmr);
> diff --git a/providers/hns/hns_roce_u.h b/providers/hns/hns_roce_u.h
> index 93bc47c1..517d97b3 100644
> --- a/providers/hns/hns_roce_u.h
> +++ b/providers/hns/hns_roce_u.h
> @@ -293,7 +293,7 @@ struct ibv_pd *hns_roce_u_alloc_pd(struct ibv_context *context);
>  int hns_roce_u_free_pd(struct ibv_pd *pd);
>  
>  struct ibv_mr *hns_roce_u_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -				 int access);
> +				 uint64_t hca_va, int access);
>  int hns_roce_u_rereg_mr(struct verbs_mr *mr, int flags, struct ibv_pd *pd,
>  			void *addr, size_t length, int access);
>  int hns_roce_u_dereg_mr(struct verbs_mr *mr);
> diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
> index 9ba65a1d..44bc32a4 100644
> --- a/providers/hns/hns_roce_u_verbs.c
> +++ b/providers/hns/hns_roce_u_verbs.c
> @@ -120,7 +120,7 @@ int hns_roce_u_free_pd(struct ibv_pd *pd)
>  }
>  
>  struct ibv_mr *hns_roce_u_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -				 int access)
> +				 uint64_t hca_va, int access)
>  {
>  	int ret;
>  	struct verbs_mr *vmr;
> @@ -141,8 +141,8 @@ struct ibv_mr *hns_roce_u_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr, access, vmr,
> -			     &cmd, sizeof(cmd), &resp, sizeof(resp));
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		free(vmr);
>  		return NULL;
> diff --git a/providers/i40iw/i40iw_umain.h b/providers/i40iw/i40iw_umain.h
> index 4055933a..af84f284 100644
> --- a/providers/i40iw/i40iw_umain.h
> +++ b/providers/i40iw/i40iw_umain.h
> @@ -155,7 +155,8 @@ int i40iw_uquery_device(struct ibv_context *, struct ibv_device_attr *);
>  int i40iw_uquery_port(struct ibv_context *, uint8_t, struct ibv_port_attr *);
>  struct ibv_pd *i40iw_ualloc_pd(struct ibv_context *);
>  int i40iw_ufree_pd(struct ibv_pd *);
> -struct ibv_mr *i40iw_ureg_mr(struct ibv_pd *, void *, size_t, int);
> +struct ibv_mr *i40iw_ureg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			     uint64_t hca_va, int access);
>  int i40iw_udereg_mr(struct verbs_mr *vmr);
>  struct ibv_cq *i40iw_ucreate_cq(struct ibv_context *, int, struct ibv_comp_channel *, int);
>  int i40iw_uresize_cq(struct ibv_cq *, int);
> diff --git a/providers/i40iw/i40iw_uverbs.c b/providers/i40iw/i40iw_uverbs.c
> index 83b504fa..240150b9 100644
> --- a/providers/i40iw/i40iw_uverbs.c
> +++ b/providers/i40iw/i40iw_uverbs.c
> @@ -149,7 +149,8 @@ int i40iw_ufree_pd(struct ibv_pd *pd)
>   * @length: length of the memory
>   * @access: access allowed on this mr
>   */
> -struct ibv_mr *i40iw_ureg_mr(struct ibv_pd *pd, void *addr, size_t length, int access)
> +struct ibv_mr *i40iw_ureg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			     uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct i40iw_ureg_mr cmd;
> @@ -161,9 +162,8 @@ struct ibv_mr *i40iw_ureg_mr(struct ibv_pd *pd, void *addr, size_t length, int a
>  
>  	cmd.reg_type = IW_MEMREG_TYPE_MEM;
>  
> -	if (ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr,
> -			   access, vmr, &cmd.ibv_cmd, sizeof(cmd),
> -			   &resp, sizeof(resp))) {
> +	if (ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd.ibv_cmd,
> +			   sizeof(cmd), &resp, sizeof(resp))) {
>  		fprintf(stderr, PFX "%s: Failed to register memory\n", __func__);
>  		free(vmr);
>  		return NULL;
> diff --git a/providers/ipathverbs/ipathverbs.h b/providers/ipathverbs/ipathverbs.h
> index cfb5cc38..694f1f44 100644
> --- a/providers/ipathverbs/ipathverbs.h
> +++ b/providers/ipathverbs/ipathverbs.h
> @@ -183,8 +183,8 @@ struct ibv_pd *ipath_alloc_pd(struct ibv_context *pd);
>  
>  int ipath_free_pd(struct ibv_pd *pd);
>  
> -struct ibv_mr *ipath_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access);
> +struct ibv_mr *ipath_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			    uint64_t hca_va, int access);
>  
>  int ipath_dereg_mr(struct verbs_mr *vmr);
>  
> diff --git a/providers/ipathverbs/verbs.c b/providers/ipathverbs/verbs.c
> index de4722b2..505ea584 100644
> --- a/providers/ipathverbs/verbs.c
> +++ b/providers/ipathverbs/verbs.c
> @@ -109,8 +109,8 @@ int ipath_free_pd(struct ibv_pd *pd)
>  	return 0;
>  }
>  
> -struct ibv_mr *ipath_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access)
> +struct ibv_mr *ipath_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			    uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct ibv_reg_mr cmd;
> @@ -121,8 +121,8 @@ struct ibv_mr *ipath_reg_mr(struct ibv_pd *pd, void *addr,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr, access, vmr,
> -			     &cmd, sizeof cmd, &resp, sizeof resp);
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		free(vmr);
>  		return NULL;
> diff --git a/providers/mlx4/mlx4.h b/providers/mlx4/mlx4.h
> index 9c21d775..3c161e8e 100644
> --- a/providers/mlx4/mlx4.h
> +++ b/providers/mlx4/mlx4.h
> @@ -320,8 +320,8 @@ struct ibv_xrcd *mlx4_open_xrcd(struct ibv_context *context,
>  				struct ibv_xrcd_init_attr *attr);
>  int mlx4_close_xrcd(struct ibv_xrcd *xrcd);
>  
> -struct ibv_mr *mlx4_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access);
> +struct ibv_mr *mlx4_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access);
>  int mlx4_rereg_mr(struct verbs_mr *vmr, int flags, struct ibv_pd *pd,
>  		  void *addr, size_t length, int access);
>  int mlx4_dereg_mr(struct verbs_mr *vmr);
> diff --git a/providers/mlx4/verbs.c b/providers/mlx4/verbs.c
> index 9a5affe7..d814a2bc 100644
> --- a/providers/mlx4/verbs.c
> +++ b/providers/mlx4/verbs.c
> @@ -275,7 +275,7 @@ int mlx4_close_xrcd(struct ibv_xrcd *ib_xrcd)
>  }
>  
>  struct ibv_mr *mlx4_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -			   int access)
> +			   uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct ibv_reg_mr cmd;
> @@ -286,9 +286,8 @@ struct ibv_mr *mlx4_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t) addr,
> -			     access, vmr, &cmd, sizeof(cmd),
> -			     &resp, sizeof(resp));
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		free(vmr);
>  		return NULL;
> diff --git a/providers/mlx5/mlx5.h b/providers/mlx5/mlx5.h
> index d9fccdcc..ab3c2c1a 100644
> --- a/providers/mlx5/mlx5.h
> +++ b/providers/mlx5/mlx5.h
> @@ -821,8 +821,8 @@ void mlx5_async_event(struct ibv_context *context,
>  		      struct ibv_async_event *event);
>  
>  struct ibv_mr *mlx5_alloc_null_mr(struct ibv_pd *pd);
> -struct ibv_mr *mlx5_reg_mr(struct ibv_pd *pd, void *addr,
> -			   size_t length, int access);
> +struct ibv_mr *mlx5_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access);
>  int mlx5_rereg_mr(struct verbs_mr *mr, int flags, struct ibv_pd *pd, void *addr,
>  		  size_t length, int access);
>  int mlx5_dereg_mr(struct verbs_mr *mr);
> diff --git a/providers/mlx5/verbs.c b/providers/mlx5/verbs.c
> index c13e81f4..714c5f7e 100644
> --- a/providers/mlx5/verbs.c
> +++ b/providers/mlx5/verbs.c
> @@ -388,7 +388,7 @@ int mlx5_free_pd(struct ibv_pd *pd)
>  }
>  
>  struct ibv_mr *mlx5_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -			   int acc)
> +			   uint64_t hca_va, int acc)
>  {
>  	struct mlx5_mr *mr;
>  	struct ibv_reg_mr cmd;
> @@ -400,9 +400,8 @@ struct ibv_mr *mlx5_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
>  	if (!mr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr, access,
> -			     &mr->vmr, &cmd, sizeof(cmd), &resp,
> -			     sizeof resp);
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, &mr->vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		mlx5_free_buf(&(mr->buf));
>  		free(mr);
> diff --git a/providers/mthca/ah.c b/providers/mthca/ah.c
> index df0cb281..adefb178 100644
> --- a/providers/mthca/ah.c
> +++ b/providers/mthca/ah.c
> @@ -61,7 +61,8 @@ static struct mthca_ah_page *__add_page(struct mthca_pd *pd, int page_size, int
>  		return NULL;
>  	}
>  
> -	page->mr = mthca_reg_mr(&pd->ibv_pd, page->buf.buf, page_size, 0);
> +	page->mr = mthca_reg_mr(&pd->ibv_pd, page->buf.buf, page_size,
> +				(uintptr_t) page->buf.buf, 0);
>  	if (!page->mr) {
>  		mthca_free_buf(&page->buf);
>  		free(page);
> diff --git a/providers/mthca/mthca.h b/providers/mthca/mthca.h
> index 61042de3..b7df2f73 100644
> --- a/providers/mthca/mthca.h
> +++ b/providers/mthca/mthca.h
> @@ -280,8 +280,8 @@ int mthca_query_port(struct ibv_context *context, uint8_t port,
>  struct ibv_pd *mthca_alloc_pd(struct ibv_context *context);
>  int mthca_free_pd(struct ibv_pd *pd);
>  
> -struct ibv_mr *mthca_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access);
> +struct ibv_mr *mthca_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			    uint64_t hca_va, int access);
>  int mthca_dereg_mr(struct verbs_mr *mr);
>  
>  struct ibv_cq *mthca_create_cq(struct ibv_context *context, int cqe,
> diff --git a/providers/mthca/verbs.c b/providers/mthca/verbs.c
> index e7a1c357..99e5ec66 100644
> --- a/providers/mthca/verbs.c
> +++ b/providers/mthca/verbs.c
> @@ -145,10 +145,10 @@ static struct ibv_mr *__mthca_reg_mr(struct ibv_pd *pd, void *addr,
>  	return &vmr->ibv_mr;
>  }
>  
> -struct ibv_mr *mthca_reg_mr(struct ibv_pd *pd, void *addr,
> -			    size_t length, int access)
> +struct ibv_mr *mthca_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			    uint64_t hca_va, int access)
>  {
> -	return __mthca_reg_mr(pd, addr, length, (uintptr_t) addr, access, 0);
> +	return __mthca_reg_mr(pd, addr, length, hca_va, access, 0);
>  }
>  
>  int mthca_dereg_mr(struct verbs_mr *vmr)
> diff --git a/providers/nes/nes_umain.h b/providers/nes/nes_umain.h
> index edb38622..1070ce42 100644
> --- a/providers/nes/nes_umain.h
> +++ b/providers/nes/nes_umain.h
> @@ -350,7 +350,8 @@ int nes_uquery_device(struct ibv_context *, struct ibv_device_attr *);
>  int nes_uquery_port(struct ibv_context *, uint8_t, struct ibv_port_attr *);
>  struct ibv_pd *nes_ualloc_pd(struct ibv_context *);
>  int nes_ufree_pd(struct ibv_pd *);
> -struct ibv_mr *nes_ureg_mr(struct ibv_pd *, void *, size_t, int);
> +struct ibv_mr *nes_ureg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access);
>  int nes_udereg_mr(struct verbs_mr *vmr);
>  struct ibv_cq *nes_ucreate_cq(struct ibv_context *, int, struct ibv_comp_channel *, int);
>  int nes_uresize_cq(struct ibv_cq *, int);
> diff --git a/providers/nes/nes_uverbs.c b/providers/nes/nes_uverbs.c
> index 8523e923..2b78468b 100644
> --- a/providers/nes/nes_uverbs.c
> +++ b/providers/nes/nes_uverbs.c
> @@ -165,8 +165,8 @@ int nes_ufree_pd(struct ibv_pd *pd)
>  /**
>   * nes_ureg_mr
>   */
> -struct ibv_mr *nes_ureg_mr(struct ibv_pd *pd, void *addr,
> -		size_t length, int access)
> +struct ibv_mr *nes_ureg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			   uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct nes_ureg_mr cmd;
> @@ -177,9 +177,8 @@ struct ibv_mr *nes_ureg_mr(struct ibv_pd *pd, void *addr,
>  		return NULL;
>  
>  	cmd.reg_type = IWNES_MEMREG_TYPE_MEM;
> -	if (ibv_cmd_reg_mr(pd, addr, length, (uintptr_t) addr,
> -			access, vmr, &cmd.ibv_cmd, sizeof(cmd),
> -			&resp, sizeof(resp))) {
> +	if (ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd.ibv_cmd,
> +			   sizeof(cmd), &resp, sizeof(resp))) {
>  		free(vmr);
>  
>  		return NULL;
> diff --git a/providers/ocrdma/ocrdma_main.h b/providers/ocrdma/ocrdma_main.h
> index 33def78c..aadefd96 100644
> --- a/providers/ocrdma/ocrdma_main.h
> +++ b/providers/ocrdma/ocrdma_main.h
> @@ -269,8 +269,8 @@ int ocrdma_query_device(struct ibv_context *, struct ibv_device_attr *);
>  int ocrdma_query_port(struct ibv_context *, uint8_t, struct ibv_port_attr *);
>  struct ibv_pd *ocrdma_alloc_pd(struct ibv_context *);
>  int ocrdma_free_pd(struct ibv_pd *);
> -struct ibv_mr *ocrdma_reg_mr(struct ibv_pd *, void *, size_t,
> -			     int ibv_access_flags);
> +struct ibv_mr *ocrdma_reg_mr(struct ibv_pd *pd, void *addr, size_t len,
> +			     uint64_t hca_va, int access);
>  int ocrdma_dereg_mr(struct verbs_mr *vmr);
>  
>  struct ibv_cq *ocrdma_create_cq(struct ibv_context *, int,
> diff --git a/providers/ocrdma/ocrdma_verbs.c b/providers/ocrdma/ocrdma_verbs.c
> index 3b3e1a60..4ae35be9 100644
> --- a/providers/ocrdma/ocrdma_verbs.c
> +++ b/providers/ocrdma/ocrdma_verbs.c
> @@ -185,22 +185,20 @@ int ocrdma_free_pd(struct ibv_pd *ibpd)
>  /*
>   * ocrdma_reg_mr
>   */
> -struct ibv_mr *ocrdma_reg_mr(struct ibv_pd *pd, void *addr,
> -			     size_t len, int access)
> +struct ibv_mr *ocrdma_reg_mr(struct ibv_pd *pd, void *addr, size_t len,
> +			     uint64_t hca_va, int access)
>  {
>  	struct ocrdma_mr *mr;
>  	struct ibv_reg_mr cmd;
>  	struct uocrdma_reg_mr_resp resp;
> -	uint64_t hca_va = (uintptr_t) addr;
>  
>  	mr = malloc(sizeof *mr);
>  	if (!mr)
>  		return NULL;
>  	bzero(mr, sizeof *mr);
>  
> -	if (ibv_cmd_reg_mr(pd, addr, len, hca_va,
> -			   access, &mr->vmr, &cmd, sizeof(cmd),
> -			   &resp.ibv_resp, sizeof(resp))) {
> +	if (ibv_cmd_reg_mr(pd, addr, len, hca_va, access, &mr->vmr, &cmd,
> +			   sizeof(cmd), &resp.ibv_resp, sizeof(resp))) {
>  		free(mr);
>  		return NULL;
>  	}
> diff --git a/providers/qedr/qelr_main.h b/providers/qedr/qelr_main.h
> index 77aa9c2f..fae87130 100644
> --- a/providers/qedr/qelr_main.h
> +++ b/providers/qedr/qelr_main.h
> @@ -46,8 +46,8 @@ int qelr_query_port(struct ibv_context *, uint8_t, struct ibv_port_attr *);
>  struct ibv_pd *qelr_alloc_pd(struct ibv_context *);
>  int qelr_dealloc_pd(struct ibv_pd *);
>  
> -struct ibv_mr *qelr_reg_mr(struct ibv_pd *, void *, size_t,
> -			   int ibv_access_flags);
> +struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr, size_t len,
> +			   uint64_t hca_va, int access);
>  int qelr_dereg_mr(struct verbs_mr *vmr);
>  
>  struct ibv_cq *qelr_create_cq(struct ibv_context *, int,
> diff --git a/providers/qedr/qelr_verbs.c b/providers/qedr/qelr_verbs.c
> index a347714d..4b19ccb0 100644
> --- a/providers/qedr/qelr_verbs.c
> +++ b/providers/qedr/qelr_verbs.c
> @@ -156,8 +156,8 @@ int qelr_dealloc_pd(struct ibv_pd *ibpd)
>  	return rc;
>  }
>  
> -struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr,
> -			   size_t len, int access)
> +struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr, size_t len,
> +			   uint64_t hca_va, int access)
>  {
>  	struct qelr_mr *mr;
>  	struct ibv_reg_mr cmd;
> @@ -165,17 +165,14 @@ struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr,
>  	struct qelr_pd *pd = get_qelr_pd(ibpd);
>  	struct qelr_devctx *cxt = get_qelr_ctx(ibpd->context);
>  
> -	uint64_t hca_va = (uintptr_t) addr;
> -
>  	mr = malloc(sizeof(*mr));
>  	if (!mr)
>  		return NULL;
>  
>  	bzero(mr, sizeof(*mr));
>  
> -	if (ibv_cmd_reg_mr(ibpd, addr, len, hca_va,
> -			   access, &mr->vmr, &cmd, sizeof(cmd),
> -			   &resp.ibv_resp, sizeof(resp))) {
> +	if (ibv_cmd_reg_mr(ibpd, addr, len, hca_va, access, &mr->vmr, &cmd,
> +			   sizeof(cmd), &resp.ibv_resp, sizeof(resp))) {
>  		free(mr);
>  		return NULL;
>  	}
> diff --git a/providers/qedr/qelr_verbs.h b/providers/qedr/qelr_verbs.h
> index cf2ce047..d0eacbfe 100644
> --- a/providers/qedr/qelr_verbs.h
> +++ b/providers/qedr/qelr_verbs.h
> @@ -48,8 +48,8 @@ int qelr_query_port(struct ibv_context *context, uint8_t port,
>  struct ibv_pd *qelr_alloc_pd(struct ibv_context *context);
>  int qelr_dealloc_pd(struct ibv_pd *ibpd);
>  
> -struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr,
> -			   size_t len, int access);
> +struct ibv_mr *qelr_reg_mr(struct ibv_pd *ibpd, void *addr, size_t len,
> +			   uint64_t hca_va, int access);
>  int qelr_dereg_mr(struct verbs_mr *mr);
>  
>  struct ibv_cq *qelr_create_cq(struct ibv_context *context, int cqe,
> diff --git a/providers/rxe/rxe.c b/providers/rxe/rxe.c
> index 2efb646c..4e05d5b9 100644
> --- a/providers/rxe/rxe.c
> +++ b/providers/rxe/rxe.c
> @@ -123,7 +123,7 @@ static int rxe_dealloc_pd(struct ibv_pd *pd)
>  }
>  
>  static struct ibv_mr *rxe_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -				 int access)
> +				 uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct ibv_reg_mr cmd;
> @@ -134,8 +134,8 @@ static struct ibv_mr *rxe_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t)addr, access, vmr,
> -			     &cmd, sizeof cmd, &resp, sizeof resp);
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		free(vmr);
>  		return NULL;
> diff --git a/providers/siw/siw.c b/providers/siw/siw.c
> index 41f33fa1..c1acf398 100644
> --- a/providers/siw/siw.c
> +++ b/providers/siw/siw.c
> @@ -96,7 +96,7 @@ static int siw_free_pd(struct ibv_pd *pd)
>  }
>  
>  static struct ibv_mr *siw_reg_mr(struct ibv_pd *pd, void *addr, size_t len,
> -				 int access)
> +				 uint64_t hca_va, int access)
>  {
>  	struct siw_cmd_reg_mr cmd = {};
>  	struct siw_cmd_reg_mr_resp resp = {};
> @@ -107,7 +107,7 @@ static struct ibv_mr *siw_reg_mr(struct ibv_pd *pd, void *addr, size_t len,
>  	if (!mr)
>  		return NULL;
>  
> -	rv = ibv_cmd_reg_mr(pd, addr, len, (uintptr_t)addr, access,
> +	rv = ibv_cmd_reg_mr(pd, addr, len, hca_va, access,
>  			    &mr->base_mr, &cmd.ibv_cmd, sizeof(cmd),
>  			    &resp.ibv_resp, sizeof(resp));
>  	if (rv) {
> diff --git a/providers/vmw_pvrdma/pvrdma.h b/providers/vmw_pvrdma/pvrdma.h
> index ebd50ce1..d90bd809 100644
> --- a/providers/vmw_pvrdma/pvrdma.h
> +++ b/providers/vmw_pvrdma/pvrdma.h
> @@ -281,8 +281,8 @@ int pvrdma_query_port(struct ibv_context *context, uint8_t port,
>  struct ibv_pd *pvrdma_alloc_pd(struct ibv_context *context);
>  int pvrdma_free_pd(struct ibv_pd *pd);
>  
> -struct ibv_mr *pvrdma_reg_mr(struct ibv_pd *pd, void *addr,
> -			     size_t length, int access);
> +struct ibv_mr *pvrdma_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> +			     uint64_t hca_va, int access);
>  int pvrdma_dereg_mr(struct verbs_mr *mr);
>  
>  struct ibv_cq *pvrdma_create_cq(struct ibv_context *context, int cqe,
> diff --git a/providers/vmw_pvrdma/verbs.c b/providers/vmw_pvrdma/verbs.c
> index e27952bf..e8423c01 100644
> --- a/providers/vmw_pvrdma/verbs.c
> +++ b/providers/vmw_pvrdma/verbs.c
> @@ -112,7 +112,7 @@ int pvrdma_free_pd(struct ibv_pd *pd)
>  }
>  
>  struct ibv_mr *pvrdma_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
> -			     int access)
> +			     uint64_t hca_va, int access)
>  {
>  	struct verbs_mr *vmr;
>  	struct ibv_reg_mr cmd;
> @@ -123,9 +123,8 @@ struct ibv_mr *pvrdma_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
>  	if (!vmr)
>  		return NULL;
>  
> -	ret = ibv_cmd_reg_mr(pd, addr, length, (uintptr_t) addr,
> -			     access, vmr, &cmd, sizeof(cmd),
> -			     &resp, sizeof(resp));
> +	ret = ibv_cmd_reg_mr(pd, addr, length, hca_va, access, vmr, &cmd,
> +			     sizeof(cmd), &resp, sizeof(resp));
>  	if (ret) {
>  		free(vmr);
>  		return NULL;
> diff --git a/redhat/rdma-core.spec b/redhat/rdma-core.spec
> index 6149f6a6..f07919cc 100644
> --- a/redhat/rdma-core.spec
> +++ b/redhat/rdma-core.spec
> @@ -1,5 +1,5 @@
>  Name: rdma-core
> -Version: 25.0
> +Version: 26.0
>  Release: 1%{?dist}
>  Summary: RDMA core userspace libraries and daemons
>  
> diff --git a/suse/rdma-core.spec b/suse/rdma-core.spec
> index 273bf45d..5a01327c 100644
> --- a/suse/rdma-core.spec
> +++ b/suse/rdma-core.spec
> @@ -23,7 +23,7 @@
>  
>  %define         git_ver %{nil}
>  Name:           rdma-core
> -Version:        25.0
> +Version:        26.0
>  Release:        0
>  Summary:        RDMA core userspace libraries and daemons
>  License:        GPL-2.0-only OR BSD-2-Clause
> -- 
> 2.20.1
> 



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