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-rw-r--r--include/uapi/rdma/rdma_user_ioctl_cmds.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/include/uapi/rdma/rdma_user_ioctl_cmds.h b/include/uapi/rdma/rdma_user_ioctl_cmds.h
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+++ b/include/uapi/rdma/rdma_user_ioctl_cmds.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2018, Mellanox Technologies 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 RDMA_USER_IOCTL_CMDS_H
+#define RDMA_USER_IOCTL_CMDS_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/* Documentation/userspace-api/ioctl/ioctl-number.rst */
+#define RDMA_IOCTL_MAGIC 0x1b
+#define RDMA_VERBS_IOCTL \
+ _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr)
+
+enum {
+ /* User input */
+ UVERBS_ATTR_F_MANDATORY = 1U << 0,
+ /*
+ * Valid output bit should be ignored and considered set in
+ * mandatory fields. This bit is kernel output.
+ */
+ UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1,
+};
+
+struct ib_uverbs_attr {
+ __u16 attr_id; /* command specific type attribute */
+ __u16 len; /* only for pointers and IDRs array */
+ __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */
+ union {
+ struct {
+ __u8 elem_id;
+ __u8 reserved;
+ } enum_data;
+ __u16 reserved;
+ } attr_data;
+ union {
+ /*
+ * ptr to command, inline data, idr/fd or
+ * ptr to __u32 array of IDRs
+ */
+ __aligned_u64 data;
+ /* Used by FD_IN and FD_OUT */
+ __s64 data_s64;
+ };
+};
+
+struct ib_uverbs_ioctl_hdr {
+ __u16 length;
+ __u16 object_id;
+ __u16 method_id;
+ __u16 num_attrs;
+ __aligned_u64 reserved1;
+ __u32 driver_id;
+ __u32 reserved2;
+ struct ib_uverbs_attr attrs[];
+};
+
+#endif