2 * Copyright (c) 2016 Mellanox Technologies, LTD. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef RDMA_USER_IOCTL_H
34 #define RDMA_USER_IOCTL_H
36 #include <linux/types.h>
37 #include <linux/ioctl.h>
38 #include <rdma/ib_user_mad.h>
39 #include <rdma/hfi/hfi1_ioctl.h>
41 /* Documentation/ioctl/ioctl-number.txt */
42 #define RDMA_IOCTL_MAGIC 0x1b
43 /* Legacy name, for user space application which already use it */
44 #define IB_IOCTL_MAGIC RDMA_IOCTL_MAGIC
46 #define RDMA_VERBS_IOCTL \
47 _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr)
49 #define UVERBS_ID_NS_MASK 0xF000
50 #define UVERBS_ID_NS_SHIFT 12
54 UVERBS_ATTR_F_MANDATORY = 1U << 0,
56 * Valid output bit should be ignored and considered set in
57 * mandatory fields. This bit is kernel output.
59 UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1,
62 struct ib_uverbs_attr {
63 __u16 attr_id; /* command specific type attribute */
64 __u16 len; /* only for pointers */
65 __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */
67 __u64 data; /* ptr to command, inline data or idr/fd */
70 struct ib_uverbs_ioctl_hdr {
76 struct ib_uverbs_attr attrs[0];
80 * General blocks assignments
81 * It is closed on purpose do not expose it it user space
82 * #define MAD_CMD_BASE 0x00
83 * #define HFI1_CMD_BAS 0xE0
86 /* MAD specific section */
87 #define IB_USER_MAD_REGISTER_AGENT _IOWR(RDMA_IOCTL_MAGIC, 0x01, struct ib_user_mad_reg_req)
88 #define IB_USER_MAD_UNREGISTER_AGENT _IOW(RDMA_IOCTL_MAGIC, 0x02, __u32)
89 #define IB_USER_MAD_ENABLE_PKEY _IO(RDMA_IOCTL_MAGIC, 0x03)
90 #define IB_USER_MAD_REGISTER_AGENT2 _IOWR(RDMA_IOCTL_MAGIC, 0x04, struct ib_user_mad_reg_req2)
92 /* HFI specific section */
93 /* allocate HFI and context */
94 #define HFI1_IOCTL_ASSIGN_CTXT _IOWR(RDMA_IOCTL_MAGIC, 0xE1, struct hfi1_user_info)
95 /* find out what resources we got */
96 #define HFI1_IOCTL_CTXT_INFO _IOW(RDMA_IOCTL_MAGIC, 0xE2, struct hfi1_ctxt_info)
97 /* set up userspace */
98 #define HFI1_IOCTL_USER_INFO _IOW(RDMA_IOCTL_MAGIC, 0xE3, struct hfi1_base_info)
99 /* update expected TID entries */
100 #define HFI1_IOCTL_TID_UPDATE _IOWR(RDMA_IOCTL_MAGIC, 0xE4, struct hfi1_tid_info)
101 /* free expected TID entries */
102 #define HFI1_IOCTL_TID_FREE _IOWR(RDMA_IOCTL_MAGIC, 0xE5, struct hfi1_tid_info)
103 /* force an update of PIO credit */
104 #define HFI1_IOCTL_CREDIT_UPD _IO(RDMA_IOCTL_MAGIC, 0xE6)
105 /* control receipt of packets */
106 #define HFI1_IOCTL_RECV_CTRL _IOW(RDMA_IOCTL_MAGIC, 0xE8, int)
107 /* set the kind of polling we want */
108 #define HFI1_IOCTL_POLL_TYPE _IOW(RDMA_IOCTL_MAGIC, 0xE9, int)
109 /* ack & clear user status bits */
110 #define HFI1_IOCTL_ACK_EVENT _IOW(RDMA_IOCTL_MAGIC, 0xEA, unsigned long)
111 /* set context's pkey */
112 #define HFI1_IOCTL_SET_PKEY _IOW(RDMA_IOCTL_MAGIC, 0xEB, __u16)
113 /* reset context's HW send context */
114 #define HFI1_IOCTL_CTXT_RESET _IO(RDMA_IOCTL_MAGIC, 0xEC)
115 /* read TID cache invalidations */
116 #define HFI1_IOCTL_TID_INVAL_READ _IOWR(RDMA_IOCTL_MAGIC, 0xED, struct hfi1_tid_info)
117 /* get the version of the user cdev */
118 #define HFI1_IOCTL_GET_VERS _IOR(RDMA_IOCTL_MAGIC, 0xEE, int)
120 #endif /* RDMA_USER_IOCTL_H */