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/* * Copyright (c) 2016 Mellanox Technologies, LTD. 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_H #define RDMA_USER_IOCTL_H #include <linux/types.h> #include <linux/ioctl.h> #include <rdma/ib_user_mad.h> #include <rdma/hfi/hfi1_ioctl.h> /* Documentation/ioctl/ioctl-number.txt */ #define RDMA_IOCTL_MAGIC 0x1b /* Legacy name, for user space application which already use it */ #define IB_IOCTL_MAGIC RDMA_IOCTL_MAGIC #define RDMA_VERBS_IOCTL \ _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr) #define UVERBS_ID_NS_MASK 0xF000 #define UVERBS_ID_NS_SHIFT 12 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 */ __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */ __u16 reserved; __u64 data; /* ptr to command, __inline__ data or idr/fd */ }; struct ib_uverbs_ioctl_hdr { __u16 length; __u16 object_id; __u16 method_id; __u16 num_attrs; __u64 reserved; struct ib_uverbs_attr attrs[0]; }; /* * General blocks assignments * It is closed on purpose do not expose it it user space * #define MAD_CMD_BASE 0x00 * #define HFI1_CMD_BAS 0xE0 */ /* MAD specific section */ #define IB_USER_MAD_REGISTER_AGENT _IOWR(RDMA_IOCTL_MAGIC, 0x01, struct ib_user_mad_reg_req) #define IB_USER_MAD_UNREGISTER_AGENT _IOW(RDMA_IOCTL_MAGIC, 0x02, __u32) #define IB_USER_MAD_ENABLE_PKEY _IO(RDMA_IOCTL_MAGIC, 0x03) #define IB_USER_MAD_REGISTER_AGENT2 _IOWR(RDMA_IOCTL_MAGIC, 0x04, struct ib_user_mad_reg_req2) /* HFI specific section */ /* allocate HFI and context */ #define HFI1_IOCTL_ASSIGN_CTXT _IOWR(RDMA_IOCTL_MAGIC, 0xE1, struct hfi1_user_info) /* find out what resources we got */ #define HFI1_IOCTL_CTXT_INFO _IOW(RDMA_IOCTL_MAGIC, 0xE2, struct hfi1_ctxt_info) /* set up userspace */ #define HFI1_IOCTL_USER_INFO _IOW(RDMA_IOCTL_MAGIC, 0xE3, struct hfi1_base_info) /* update expected TID entries */ #define HFI1_IOCTL_TID_UPDATE _IOWR(RDMA_IOCTL_MAGIC, 0xE4, struct hfi1_tid_info) /* free expected TID entries */ #define HFI1_IOCTL_TID_FREE _IOWR(RDMA_IOCTL_MAGIC, 0xE5, struct hfi1_tid_info) /* force an update of PIO credit */ #define HFI1_IOCTL_CREDIT_UPD _IO(RDMA_IOCTL_MAGIC, 0xE6) /* control receipt of packets */ #define HFI1_IOCTL_RECV_CTRL _IOW(RDMA_IOCTL_MAGIC, 0xE8, int) /* set the kind of polling we want */ #define HFI1_IOCTL_POLL_TYPE _IOW(RDMA_IOCTL_MAGIC, 0xE9, int) /* ack & clear user status bits */ #define HFI1_IOCTL_ACK_EVENT _IOW(RDMA_IOCTL_MAGIC, 0xEA, unsigned long) /* set context's pkey */ #define HFI1_IOCTL_SET_PKEY _IOW(RDMA_IOCTL_MAGIC, 0xEB, __u16) /* reset context's HW send context */ #define HFI1_IOCTL_CTXT_RESET _IO(RDMA_IOCTL_MAGIC, 0xEC) /* read TID cache invalidations */ #define HFI1_IOCTL_TID_INVAL_READ _IOWR(RDMA_IOCTL_MAGIC, 0xED, struct hfi1_tid_info) /* get the version of the user cdev */ #define HFI1_IOCTL_GET_VERS _IOR(RDMA_IOCTL_MAGIC, 0xEE, int) #endif /* RDMA_USER_IOCTL_H */