0 "l4()P@ˌM)F h0 *l=J!e8Ep Tţ |O_I|+$R/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * * 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) 2015 - 2020 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) 2015 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. * */ /* * This file contains defines, structures, etc. that are used * to communicate between kernel and user code. */ #ifndef _LINUX__HFI1_USER_H #define _LINUX__HFI1_USER_H #include #include /* * This version number is given to the driver by the user code during * initialization in the spu_userversion field of hfi1_user_info, so * the driver can check for compatibility with user code. * * The major version changes when data structures change in an incompatible * way. The driver must be the same for initialization to succeed. */ #define HFI1_USER_SWMAJOR 6 /* * Minor version differences are always compatible * a within a major version, however if user software is larger * than driver software, some new features and/or structure fields * may not be implemented; the user code must deal with this if it * cares, or it must abort after initialization reports the difference. */ #define HFI1_USER_SWMINOR 3 /* * We will encode the major/minor inside a single 32bit version number. */ #define HFI1_SWMAJOR_SHIFT 16 /* * Set of HW and driver capability/feature bits. * These bit values are used to configure enabled/disabled HW and * driver features. The same set of bits are communicated to user * space. */ #define HFI1_CAP_DMA_RTAIL (1UL << 0) /* Use DMA'ed RTail value */ #define HFI1_CAP_SDMA (1UL << 1) /* Enable SDMA support */ #define HFI1_CAP_SDMA_AHG (1UL << 2) /* Enable SDMA AHG support */ #define HFI1_CAP_EXTENDED_PSN (1UL << 3) /* Enable Extended PSN support */ #define HFI1_CAP_HDRSUPP (1UL << 4) /* Enable Header Suppre