From patchwork Fri Jul 1 13:18:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Pearson X-Patchwork-Id: 938682 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p61LTcRl014702 for ; Fri, 1 Jul 2011 21:50:10 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757344Ab1GAVNx (ORCPT ); Fri, 1 Jul 2011 17:13:53 -0400 Received: from cdptpa-bc-oedgelb.mail.rr.com ([75.180.133.32]:58949 "EHLO cdptpa-bc-oedgelb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757116Ab1GAVNm (ORCPT ); Fri, 1 Jul 2011 17:13:42 -0400 X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 01 Jul 2011 21:50:11 +0000 (UTC) X-Greylist: delayed 300 seconds by postgrey-1.27 at vger.kernel.org; Fri, 01 Jul 2011 17:13:31 EDT Received: from cdptpa-bc-oedgelb.mail.rr.com ([10.127.134.103]) by cdptpa-bc-qmta01.mail.rr.com with ESMTP id <20110701210947619.BKRM4947@cdptpa-bc-qmta01.mail.rr.com> for ; Fri, 1 Jul 2011 21:09:47 +0000 Authentication-Results: cdptpa-bc-oedgelb.mail.rr.com smtp.user=fzago@systemfabricworks.com; auth=pass (PLAIN) X-Authority-Analysis: v=1.1 cv=40Z/dbZBr1wgzPkGSf8y7qdCkiWp+M7NvixVUiz+qMg= c=1 sm=0 a=hAzdGUM1iB0A:10 a=ozIaqLvjkoIA:10 a=DCwX0kaxZCiV3mmbfDr8nQ==:17 a=YORvzBCaAAAA:8 a=bC7xisPkAAAA:8 a=gVffJzE2M8IO-TjXvz0A:9 a=Z3dl5xc7ktFrDonWBYYA:7 a=QLxd5cu_Zb8A:10 a=VV2__AUApEoA:10 a=DCwX0kaxZCiV3mmbfDr8nQ==:117 X-Cloudmark-Score: 0 X-Originating-IP: 67.79.195.91 Received: from [67.79.195.91] ([67.79.195.91:49531] helo=[10.0.2.91]) by cdptpa-bc-oedge02.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTPA id 0F/F7-12017-2573E0E4; Fri, 01 Jul 2011 21:08:34 +0000 Message-Id: <20110701132201.083584104@systemfabricworks.com> References: <20110701131821.928693424@systemfabricworks.com> User-Agent: quilt/0.46-1 Date: Fri, 01 Jul 2011 08:18:29 -0500 From: rpearson@systemfabricworks.com To: linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [patch 08/44] rxe_mmap.h Content-Disposition: inline; filename=patch8 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org declarations for mmap routines. Signed-off-by: Bob Pearson --- drivers/infiniband/hw/rxe/rxe_mmap.h | 63 +++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) Index: infiniband/drivers/infiniband/hw/rxe/rxe_mmap.h =================================================================== --- /dev/null +++ infiniband/drivers/infiniband/hw/rxe/rxe_mmap.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2009-2011 Mellanox Technologies Ltd. All rights reserved. + * Copyright (c) 2009-2011 System Fabric Works, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef RXE_MMAP_H +#define RXE_MMAP_H + +/* This info has to be copied to user space so that it can call mmap + * and get the right stuff mapped */ +struct mminfo { + __u64 offset; + __u32 size; + __u32 pad; +}; + +struct rxe_mmap_info { + struct list_head pending_mmaps; + struct ib_ucontext *context; + struct kref ref; + void *obj; + + struct mminfo info; +}; + +void rxe_mmap_release(struct kref *ref); + +struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, + u32 size, + struct ib_ucontext *context, + void *obj); + +int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); + +#endif /* RXE_MMAP_H */