From e95975e8b87de47c08e032e7762fc7df7dfc2060 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Thu, 7 Jul 2005 17:57:15 -0700 Subject: [PATCH] [PATCH] IB uverbs: add mthca ABI header Add the mthca_user.h header file, which defines the device-specific ABI used by the mthca low-level driver for kernel/user communication. Signed-off-by: Roland Dreier Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/infiniband/hw/mthca/mthca_user.h | 81 ++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 drivers/infiniband/hw/mthca/mthca_user.h diff --git a/drivers/infiniband/hw/mthca/mthca_user.h b/drivers/infiniband/hw/mthca/mthca_user.h new file mode 100644 index 000000000000..3024c1b4547d --- /dev/null +++ b/drivers/infiniband/hw/mthca/mthca_user.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2005 Topspin Communications. All rights reserved. + * Copyright (c) 2005 Cisco Systems. 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 MTHCA_USER_H +#define MTHCA_USER_H + +#include + +/* + * Make sure that all structs defined in this file remain laid out so + * that they pack the same way on 32-bit and 64-bit architectures (to + * avoid incompatibility between 32-bit userspace and 64-bit kernels). + * In particular do not use pointer types -- pass pointers in __u64 + * instead. + */ + +struct mthca_alloc_ucontext_resp { + __u32 qp_tab_size; + __u32 uarc_size; +}; + +struct mthca_alloc_pd_resp { + __u32 pdn; + __u32 reserved; +}; + +struct mthca_create_cq { + __u32 lkey; + __u32 pdn; + __u64 arm_db_page; + __u64 set_db_page; + __u32 arm_db_index; + __u32 set_db_index; +}; + +struct mthca_create_cq_resp { + __u32 cqn; + __u32 reserved; +}; + +struct mthca_create_qp { + __u32 lkey; + __u32 reserved; + __u64 sq_db_page; + __u64 rq_db_page; + __u32 sq_db_index; + __u32 rq_db_index; +}; + +#endif /* MTHCA_USER_H */ -- 2.20.1