125981136fb13bcacf5f475f3e0ec750341e1e671Christopher Ferris/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This file is provided under a dual BSD/GPLv2 license. When using or 512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * redistributing this file, you may do so under either license. 612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * GPL LICENSE SUMMARY 812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Copyright(c) 2015 Intel Corporation. 1012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 1112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This program is free software; you can redistribute it and/or modify 1212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * it under the terms of version 2 of the GNU General Public License as 1312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * published by the Free Software Foundation. 1412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 1512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This program is distributed in the hope that it will be useful, but 1612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * WITHOUT ANY WARRANTY; without even the implied warranty of 1712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * General Public License for more details. 1912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 2012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * BSD LICENSE 2112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 2212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Copyright(c) 2015 Intel Corporation. 2312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 2412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Redistribution and use in source and binary forms, with or without 2512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * modification, are permitted provided that the following conditions 2612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * are met: 2712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 2812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * - Redistributions of source code must retain the above copyright 2912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * notice, this list of conditions and the following disclaimer. 3012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * - Redistributions in binary form must reproduce the above copyright 3112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * notice, this list of conditions and the following disclaimer in 3212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * the documentation and/or other materials provided with the 3312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * distribution. 3412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * - Neither the name of Intel Corporation nor the names of its 3512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * contributors may be used to endorse or promote products derived 3612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * from this software without specific prior written permission. 3712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 3812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 3912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 4012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 4112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 4212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 4412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 4512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 4612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 4712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 4812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 5012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 5112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 5212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 5312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This file contains defines, structures, etc. that are used 5412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * to communicate between kernel and user code. 5512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 5612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 5712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#ifndef _LINUX__HFI1_USER_H 5812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define _LINUX__HFI1_USER_H 5912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 6012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#include <linux/types.h> 610543f743b6f5bc5c0652568c763e6dfb9ddce647Christopher Ferris#include <rdma/rdma_user_ioctl.h> 6212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 6312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 6412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This version number is given to the driver by the user code during 6512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * initialization in the spu_userversion field of hfi1_user_info, so 6612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * the driver can check for compatibility with user code. 6712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * 6812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * The major version changes when data structures change in an incompatible 6912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * way. The driver must be the same for initialization to succeed. 7012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 71ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_USER_SWMAJOR 6 7212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 7312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 7412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Minor version differences are always compatible 7512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * a within a major version, however if user software is larger 7612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * than driver software, some new features and/or structure fields 7712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * may not be implemented; the user code must deal with this if it 7812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * cares, or it must abort after initialization reports the difference. 7912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 802fd4b3cf888b560db61afa9e50dd42039e07a8b2Christopher Ferris#define HFI1_USER_SWMINOR 3 81ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris 82ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris/* 83ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris * We will encode the major/minor inside a single 32bit version number. 84ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris */ 85ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_SWMAJOR_SHIFT 16 8612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 8712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 8812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Set of HW and driver capability/feature bits. 8912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * These bit values are used to configure enabled/disabled HW and 9012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * driver features. The same set of bits are communicated to user 9112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * space. 9212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 9312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_DMA_RTAIL (1UL << 0) /* Use DMA'ed RTail value */ 9412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_SDMA (1UL << 1) /* Enable SDMA support */ 9512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_SDMA_AHG (1UL << 2) /* Enable SDMA AHG support */ 9612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_EXTENDED_PSN (1UL << 3) /* Enable Extended PSN support */ 9712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_HDRSUPP (1UL << 4) /* Enable Header Suppression */ 9812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 1UL << 5 unused */ 9912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_USE_SDMA_HEAD (1UL << 6) /* DMA Hdr Q tail vs. use CSR */ 10012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_MULTI_PKT_EGR (1UL << 7) /* Enable multi-packet Egr buffs*/ 10112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_NODROP_RHQ_FULL (1UL << 8) /* Don't drop on Hdr Q full */ 10212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_NODROP_EGR_FULL (1UL << 9) /* Don't drop on EGR buffs full */ 103ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_CAP_TID_UNMAP (1UL << 10) /* Disable Expected TID caching */ 10412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_PRINT_UNIMPL (1UL << 11) /* Show for unimplemented feats */ 10512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_ALLOW_PERM_JKEY (1UL << 12) /* Allow use of permissive JKEY */ 10612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_NO_INTEGRITY (1UL << 13) /* Enable ctxt integrity checks */ 10712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_PKEY_CHECK (1UL << 14) /* Enable ctxt PKey checking */ 10812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_STATIC_RATE_CTRL (1UL << 15) /* Allow PBC.StaticRateControl */ 10912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 1UL << 16 unused */ 11012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_SDMA_HEAD_CHECK (1UL << 17) /* SDMA head checking */ 11112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_CAP_EARLY_CREDIT_RETURN (1UL << 18) /* early credit return */ 11212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 11312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_RCVHDR_ENTSIZE_2 (1UL << 0) 11412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_RCVHDR_ENTSIZE_16 (1UL << 1) 11512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_RCVDHR_ENTSIZE_32 (1UL << 2) 11612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 117ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_FROZEN_BIT 0 118ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_LINKDOWN_BIT 1 119ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_LID_CHANGE_BIT 2 120ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_LMC_CHANGE_BIT 3 121ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_SL2VL_CHANGE_BIT 4 122ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_EVENT_TID_MMU_NOTIFY_BIT 5 123ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define _HFI1_MAX_EVENT_BIT _HFI1_EVENT_TID_MMU_NOTIFY_BIT 12412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 125ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_FROZEN (1UL << _HFI1_EVENT_FROZEN_BIT) 126ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_LINKDOWN (1UL << _HFI1_EVENT_LINKDOWN_BIT) 127ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_LID_CHANGE (1UL << _HFI1_EVENT_LID_CHANGE_BIT) 128ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_LMC_CHANGE (1UL << _HFI1_EVENT_LMC_CHANGE_BIT) 129ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_SL2VL_CHANGE (1UL << _HFI1_EVENT_SL2VL_CHANGE_BIT) 130ccfaccd726a369b7df72e251710755233d176e5aChristopher Ferris#define HFI1_EVENT_TID_MMU_NOTIFY (1UL << _HFI1_EVENT_TID_MMU_NOTIFY_BIT) 13112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 13212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 13312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * These are the status bits readable (in ASCII form, 64bit value) 13412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * from the "status" sysfs file. For binary compatibility, values 13512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * must remain as is; removed states can be reused for different 13612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * purposes. 13712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 13812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_STATUS_INITTED 0x1 /* basic initialization done */ 13912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* Chip has been found and initialized */ 14012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_STATUS_CHIP_PRESENT 0x20 14112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* IB link is at ACTIVE, usable for data traffic */ 14212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_STATUS_IB_READY 0x40 14312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* link is configured, LID, MTU, etc. have been set */ 14412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_STATUS_IB_CONF 0x80 14512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* A Fatal hardware error has occurred. */ 14612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_STATUS_HWERROR 0x200 14712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 14812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 14912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Number of supported shared contexts. 15012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * This is the maximum number of software contexts that can share 15112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * a hardware send/receive context. 15212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 15312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_MAX_SHARED_CTXTS 8 15412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 15512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 15612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Poll types 15712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 15812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_POLL_TYPE_ANYRCV 0x0 15912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_POLL_TYPE_URGENT 0x1 16012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 16112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisenum hfi1_sdma_comp_state { 16212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris FREE = 0, 16312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris QUEUED, 16412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris COMPLETE, 16512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ERROR 16612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris}; 16712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 16812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 16912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * SDMA completion ring entry 17012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 17112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisstruct hfi1_sdma_comp_entry { 17212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u32 status; 17312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u32 errcode; 17412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris}; 17512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 17612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 17712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Device status and notifications from driver to user-space. 17812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 17912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisstruct hfi1_status { 18012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u64 dev; /* device/hw status bits */ 18112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u64 port; /* port state and status bits */ 18212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris char freezemsg[0]; 18312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris}; 18412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 18512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisenum sdma_req_opcode { 18612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris EXPECTED = 0, 18712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris EAGER 18812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris}; 18912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 19012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_VERSION_MASK 0xF 19112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_VERSION_SHIFT 0x0 19212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_OPCODE_MASK 0xF 19312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_OPCODE_SHIFT 0x4 19412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_IOVCNT_MASK 0xFF 19512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define HFI1_SDMA_REQ_IOVCNT_SHIFT 0x8 19612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 19712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisstruct sdma_req_info { 19812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* 19912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * bits 0-3 - version (currently unused) 20012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * bits 4-7 - opcode (enum sdma_req_opcode) 20112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * bits 8-15 - io vector count 20212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 20312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u16 ctrl; 20412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* 20512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Number of fragments contained in this request. 20612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * User-space has already computed how many 20712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * fragment-sized packet the user buffer will be 20812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * split into. 20912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 21012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u16 npkts; 21112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* 21212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Size of each fragment the user buffer will be 21312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * split into. 21412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 21512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u16 fragsize; 21612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* 21712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Index of the slot in the SDMA completion ring 21812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * this request should be using. User-space is 21912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * in charge of managing its own ring. 22012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 22112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __u16 comp_idx; 22212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris} __packed; 22312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 22412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 22512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * SW KDETH header. 22612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * swdata is SW defined portion. 22712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 22812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisstruct hfi1_kdeth_header { 22912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __le32 ver_tid_offset; 23012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __le16 jkey; 23112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __le16 hcrc; 23212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __le32 swdata[7]; 23312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris} __packed; 23412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 23512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 23612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * Structure describing the headers that User space uses. The 23712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * structure above is a subset of this one. 23812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 23912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisstruct hfi1_pkt_header { 24012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __le16 pbc[4]; 24112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __be16 lrh[4]; 24212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris __be32 bth[3]; 24312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris struct hfi1_kdeth_header kdeth; 24412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris} __packed; 24512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 24612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 24712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris/* 24812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris * The list of usermode accessible registers. 24912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris */ 25012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferrisenum hfi1_ureg { 25112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RO) DMA RcvHdr to be used next. */ 25212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvhdrtail = 0, 25312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RW) RcvHdr entry to be processed next by host. */ 25412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvhdrhead = 1, 25512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RO) Index of next Eager index to use. */ 25612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvegrindextail = 2, 25712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RW) Eager TID to be processed next */ 25812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvegrindexhead = 3, 25912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RO) Receive Eager Offset Tail */ 26012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvegroffsettail = 4, 26112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* For internal use only; max register number. */ 26212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_maxreg, 26312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris /* (RW) Receive TID flow table */ 26412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris ur_rcvtidflowtable = 256 26512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris}; 26612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris 26712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#endif /* _LINIUX__HFI1_USER_H */ 268