1 /* 2 * Copyright (c) 2016 Mellanox Technologies, LTD. All rights reserved. 3 * 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: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 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. 22 * 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 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef RDMA_USER_IOCTL_H 34 #define RDMA_USER_IOCTL_H 35 36 #include <linux/types.h> 37 #include <linux/ioctl.h> 38 #include <rdma/ib_user_mad.h> 39 #include <rdma/hfi/hfi1_ioctl.h> 40 41 /* Documentation/ioctl/ioctl-number.txt */ 42 #define RDMA_IOCTL_MAGIC 0x1b 43 #define IB_IOCTL_MAGIC RDMA_IOCTL_MAGIC 44 45 #define IB_USER_MAD_REGISTER_AGENT _IOWR(IB_IOCTL_MAGIC, 1, \ 46 struct ib_user_mad_reg_req) 47 48 #define IB_USER_MAD_UNREGISTER_AGENT _IOW(IB_IOCTL_MAGIC, 2, __u32) 49 50 #define IB_USER_MAD_ENABLE_PKEY _IO(IB_IOCTL_MAGIC, 3) 51 52 #define IB_USER_MAD_REGISTER_AGENT2 _IOWR(IB_IOCTL_MAGIC, 4, \ 53 struct ib_user_mad_reg_req2) 54 55 /* User commands. */ 56 #define HFI1_CMD_ASSIGN_CTXT 1 /* allocate HFI and context */ 57 #define HFI1_CMD_CTXT_INFO 2 /* find out what resources we got */ 58 #define HFI1_CMD_USER_INFO 3 /* set up userspace */ 59 #define HFI1_CMD_TID_UPDATE 4 /* update expected TID entries */ 60 #define HFI1_CMD_TID_FREE 5 /* free expected TID entries */ 61 #define HFI1_CMD_CREDIT_UPD 6 /* force an update of PIO credit */ 62 63 #define HFI1_CMD_RECV_CTRL 8 /* control receipt of packets */ 64 #define HFI1_CMD_POLL_TYPE 9 /* set the kind of polling we want */ 65 #define HFI1_CMD_ACK_EVENT 10 /* ack & clear user status bits */ 66 #define HFI1_CMD_SET_PKEY 11 /* set context's pkey */ 67 #define HFI1_CMD_CTXT_RESET 12 /* reset context's HW send context */ 68 #define HFI1_CMD_TID_INVAL_READ 13 /* read TID cache invalidations */ 69 #define HFI1_CMD_GET_VERS 14 /* get the version of the user cdev */ 70 71 /* 72 * User IOCTLs can not go above 128 if they do then see common.h and change the 73 * base for the snoop ioctl 74 */ 75 76 /* 77 * Make the ioctls occupy the last 0xf0-0xff portion of the IB range 78 */ 79 #define __NUM(cmd) (HFI1_CMD_##cmd + 0xe0) 80 81 #define HFI1_IOCTL_ASSIGN_CTXT \ 82 _IOWR(IB_IOCTL_MAGIC, __NUM(ASSIGN_CTXT), struct hfi1_user_info) 83 #define HFI1_IOCTL_CTXT_INFO \ 84 _IOW(IB_IOCTL_MAGIC, __NUM(CTXT_INFO), struct hfi1_ctxt_info) 85 #define HFI1_IOCTL_USER_INFO \ 86 _IOW(IB_IOCTL_MAGIC, __NUM(USER_INFO), struct hfi1_base_info) 87 #define HFI1_IOCTL_TID_UPDATE \ 88 _IOWR(IB_IOCTL_MAGIC, __NUM(TID_UPDATE), struct hfi1_tid_info) 89 #define HFI1_IOCTL_TID_FREE \ 90 _IOWR(IB_IOCTL_MAGIC, __NUM(TID_FREE), struct hfi1_tid_info) 91 #define HFI1_IOCTL_CREDIT_UPD \ 92 _IO(IB_IOCTL_MAGIC, __NUM(CREDIT_UPD)) 93 #define HFI1_IOCTL_RECV_CTRL \ 94 _IOW(IB_IOCTL_MAGIC, __NUM(RECV_CTRL), int) 95 #define HFI1_IOCTL_POLL_TYPE \ 96 _IOW(IB_IOCTL_MAGIC, __NUM(POLL_TYPE), int) 97 #define HFI1_IOCTL_ACK_EVENT \ 98 _IOW(IB_IOCTL_MAGIC, __NUM(ACK_EVENT), unsigned long) 99 #define HFI1_IOCTL_SET_PKEY \ 100 _IOW(IB_IOCTL_MAGIC, __NUM(SET_PKEY), __u16) 101 #define HFI1_IOCTL_CTXT_RESET \ 102 _IO(IB_IOCTL_MAGIC, __NUM(CTXT_RESET)) 103 #define HFI1_IOCTL_TID_INVAL_READ \ 104 _IOWR(IB_IOCTL_MAGIC, __NUM(TID_INVAL_READ), struct hfi1_tid_info) 105 #define HFI1_IOCTL_GET_VERS \ 106 _IOR(IB_IOCTL_MAGIC, __NUM(GET_VERS), int) 107 108 #endif /* RDMA_USER_IOCTL_H */ 109