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216 lines
6.2 KiB
216 lines
6.2 KiB
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ |
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/* |
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* Intel MIC Platform Software Stack (MPSS) |
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* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* Copyright(c) 2014 Intel Corporation. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* BSD LICENSE |
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* |
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* Copyright(c) 2014 Intel Corporation. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* Intel SCIF driver. |
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* |
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*/ |
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/* |
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* ----------------------------------------- |
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* SCIF IOCTL interface information |
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* ----------------------------------------- |
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*/ |
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#ifndef SCIF_IOCTL_H |
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#define SCIF_IOCTL_H |
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#include <linux/types.h> |
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/** |
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* struct scif_port_id - SCIF port information |
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* @node: node on which port resides |
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* @port: local port number |
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*/ |
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struct scif_port_id { |
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__u16 node; |
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__u16 port; |
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}; |
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/** |
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* struct scifioctl_connect - used for SCIF_CONNECT IOCTL |
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* @self: used to read back the assigned port_id |
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* @peer: destination node and port to connect to |
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*/ |
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struct scifioctl_connect { |
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struct scif_port_id self; |
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struct scif_port_id peer; |
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}; |
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/** |
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* struct scifioctl_accept - used for SCIF_ACCEPTREQ IOCTL |
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* @flags: flags |
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* @peer: global id of peer endpoint |
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* @endpt: new connected endpoint descriptor |
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*/ |
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struct scifioctl_accept { |
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__s32 flags; |
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struct scif_port_id peer; |
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__u64 endpt; |
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}; |
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/** |
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* struct scifioctl_msg - used for SCIF_SEND/SCIF_RECV IOCTL |
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* @msg: message buffer address |
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* @len: message length |
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* @flags: flags |
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* @out_len: number of bytes sent/received |
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*/ |
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struct scifioctl_msg { |
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__u64 msg; |
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__s32 len; |
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__s32 flags; |
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__s32 out_len; |
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}; |
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/** |
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* struct scifioctl_reg - used for SCIF_REG IOCTL |
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* @addr: starting virtual address |
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* @len: length of range |
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* @offset: offset of window |
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* @prot: read/write protection |
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* @flags: flags |
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* @out_offset: offset returned |
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*/ |
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struct scifioctl_reg { |
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__u64 addr; |
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__u64 len; |
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__s64 offset; |
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__s32 prot; |
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__s32 flags; |
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__s64 out_offset; |
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}; |
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/** |
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* struct scifioctl_unreg - used for SCIF_UNREG IOCTL |
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* @offset: start of range to unregister |
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* @len: length of range to unregister |
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*/ |
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struct scifioctl_unreg { |
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__s64 offset; |
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__u64 len; |
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}; |
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/** |
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* struct scifioctl_copy - used for SCIF DMA copy IOCTLs |
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* |
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* @loffset: offset in local registered address space to/from |
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* which to copy |
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* @len: length of range to copy |
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* @roffset: offset in remote registered address space to/from |
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* which to copy |
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* @addr: user virtual address to/from which to copy |
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* @flags: flags |
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* |
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* This structure is used for SCIF_READFROM, SCIF_WRITETO, SCIF_VREADFROM |
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* and SCIF_VREADFROM IOCTL's. |
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*/ |
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struct scifioctl_copy { |
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__s64 loffset; |
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__u64 len; |
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__s64 roffset; |
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__u64 addr; |
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__s32 flags; |
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}; |
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/** |
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* struct scifioctl_fence_mark - used for SCIF_FENCE_MARK IOCTL |
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* @flags: flags |
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* @mark: fence handle which is a pointer to a __s32 |
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*/ |
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struct scifioctl_fence_mark { |
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__s32 flags; |
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__u64 mark; |
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}; |
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/** |
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* struct scifioctl_fence_signal - used for SCIF_FENCE_SIGNAL IOCTL |
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* @loff: local offset |
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* @lval: value to write to loffset |
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* @roff: remote offset |
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* @rval: value to write to roffset |
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* @flags: flags |
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*/ |
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struct scifioctl_fence_signal { |
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__s64 loff; |
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__u64 lval; |
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__s64 roff; |
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__u64 rval; |
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__s32 flags; |
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}; |
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/** |
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* struct scifioctl_node_ids - used for SCIF_GET_NODEIDS IOCTL |
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* @nodes: pointer to an array of node_ids |
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* @self: ID of the current node |
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* @len: length of array |
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*/ |
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struct scifioctl_node_ids { |
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__u64 nodes; |
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__u64 self; |
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__s32 len; |
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}; |
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#define SCIF_BIND _IOWR('s', 1, __u64) |
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#define SCIF_LISTEN _IOW('s', 2, __s32) |
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#define SCIF_CONNECT _IOWR('s', 3, struct scifioctl_connect) |
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#define SCIF_ACCEPTREQ _IOWR('s', 4, struct scifioctl_accept) |
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#define SCIF_ACCEPTREG _IOWR('s', 5, __u64) |
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#define SCIF_SEND _IOWR('s', 6, struct scifioctl_msg) |
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#define SCIF_RECV _IOWR('s', 7, struct scifioctl_msg) |
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#define SCIF_REG _IOWR('s', 8, struct scifioctl_reg) |
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#define SCIF_UNREG _IOWR('s', 9, struct scifioctl_unreg) |
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#define SCIF_READFROM _IOWR('s', 10, struct scifioctl_copy) |
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#define SCIF_WRITETO _IOWR('s', 11, struct scifioctl_copy) |
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#define SCIF_VREADFROM _IOWR('s', 12, struct scifioctl_copy) |
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#define SCIF_VWRITETO _IOWR('s', 13, struct scifioctl_copy) |
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#define SCIF_GET_NODEIDS _IOWR('s', 14, struct scifioctl_node_ids) |
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#define SCIF_FENCE_MARK _IOWR('s', 15, struct scifioctl_fence_mark) |
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#define SCIF_FENCE_WAIT _IOWR('s', 16, __s32) |
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#define SCIF_FENCE_SIGNAL _IOWR('s', 17, struct scifioctl_fence_signal) |
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#endif /* SCIF_IOCTL_H */
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