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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
/*
* 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;
__aligned_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;
__aligned_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 */
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