/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * Intel MIC Platform Software Stack (MPSS) * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2014 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * BSD LICENSE * * Copyright(c) 2014 Intel Corporation. * * 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. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Intel SCIF driver. *
*/ /* * ----------------------------------------- * SCIF IOCTL interface information * -----------------------------------------
*/ #ifndef SCIF_IOCTL_H #define SCIF_IOCTL_H
#include <linux/types.h>
/** * struct scif_port_id - SCIF port information * @node: node on which port resides * @port: local port number
*/ struct scif_port_id {
__u16 node;
__u16 port;
};
/** * struct scifioctl_connect - used for SCIF_CONNECT IOCTL * @self: used to read back the assigned port_id * @peer: destination node and port to connect to
*/ struct scifioctl_connect { struct scif_port_id self; struct scif_port_id peer;
};
/** * struct scifioctl_accept - used for SCIF_ACCEPTREQ IOCTL * @flags: flags * @peer: global id of peer endpoint * @endpt: new connected endpoint descriptor
*/ struct scifioctl_accept {
__s32 flags; struct scif_port_id peer;
__u64 endpt;
};
/** * struct scifioctl_msg - used for SCIF_SEND/SCIF_RECV IOCTL * @msg: message buffer address * @len: message length * @flags: flags * @out_len: number of bytes sent/received
*/ struct scifioctl_msg {
__u64 msg;
__s32 len;
__s32 flags;
__s32 out_len;
};
/** * struct scifioctl_reg - used for SCIF_REG IOCTL * @addr: starting virtual address * @len: length of range * @offset: offset of window * @prot: read/write protection * @flags: flags * @out_offset: offset returned
*/ struct scifioctl_reg {
__u64 addr;
__u64 len;
__s64 offset;
__s32 prot;
__s32 flags;
__s64 out_offset;
};
/** * struct scifioctl_unreg - used for SCIF_UNREG IOCTL * @offset: start of range to unregister * @len: length of range to unregister
*/ struct scifioctl_unreg {
__s64 offset;
__u64 len;
};
/** * struct scifioctl_copy - used for SCIF DMA copy IOCTLs * * @loffset: offset in local registered address space to/from * which to copy * @len: length of range to copy * @roffset: offset in remote registered address space to/from * which to copy * @addr: user virtual address to/from which to copy * @flags: flags * * This structure is used for SCIF_READFROM, SCIF_WRITETO, SCIF_VREADFROM * and SCIF_VREADFROM IOCTL's.
*/ struct scifioctl_copy {
__s64 loffset;
__u64 len;
__s64 roffset;
__u64 addr;
__s32 flags;
};
/** * struct scifioctl_fence_mark - used for SCIF_FENCE_MARK IOCTL * @flags: flags * @mark: fence handle which is a pointer to a __s32
*/ struct scifioctl_fence_mark {
__s32 flags;
__u64 mark;
};
/** * struct scifioctl_fence_signal - used for SCIF_FENCE_SIGNAL IOCTL * @loff: local offset * @lval: value to write to loffset * @roff: remote offset * @rval: value to write to roffset * @flags: flags
*/ struct scifioctl_fence_signal {
__s64 loff;
__u64 lval;
__s64 roff;
__u64 rval;
__s32 flags;
};
/** * struct scifioctl_node_ids - used for SCIF_GET_NODEIDS IOCTL * @nodes: pointer to an array of node_ids * @self: ID of the current node * @len: length of array
*/ struct scifioctl_node_ids {
__u64 nodes;
__u64 self;
__s32 len;
};
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