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 <[email protected]>
---
drivers/infiniband/hw/mthca/mthca_user.h | 81 +++++++++++++++++++++++++++++++
1 files changed, 81 insertions(+)
--- /dev/null 2005-06-23 14:14:38.423479552 -0700
+++ linux/drivers/infiniband/hw/mthca/mthca_user.h 2005-06-28 15:20:10.937544281 -0700
@@ -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 <linux/types.h>
+
+/*
+ * 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 */
-
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