xf86drm.c revision 5c42b5e36a4a02e579ec5dcdc3a95ce58538224c
1d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \file xf86drm.c 3d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * User-level interface to DRM device 4b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * 5d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \author Rickard E. (Rik) Faith <faith@valinux.com> 6d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \author Kevin E. Martin <martin@valinux.com> 7d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 8d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 9d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/* 10569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 11569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 12b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * All Rights Reserved. 13b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * 14b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Permission is hereby granted, free of charge, to any person obtaining a 15b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * copy of this software and associated documentation files (the "Software"), 16b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * to deal in the Software without restriction, including without limitation 17b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * the rights to use, copy, modify, merge, publish, distribute, sublicense, 18b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * and/or sell copies of the Software, and to permit persons to whom the 19b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Software is furnished to do so, subject to the following conditions: 20360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes * 21b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * The above copyright notice and this permission notice (including the next 22b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * paragraph) shall be included in all copies or substantial portions of the 23b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Software. 24360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes * 25b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 26b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 27b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 28b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 29b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 30b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 31b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * DEALINGS IN THE SOFTWARE. 32b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss */ 33b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 3479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#ifdef HAVE_CONFIG_H 3579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie# include <config.h> 36b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#endif 3779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdio.h> 3879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdlib.h> 3979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <unistd.h> 4079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <string.h> 41015efd1bfa72ab8b80cc45f11eb22d7f1a1085f7Ian Romanick#include <strings.h> 4279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <ctype.h> 430ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#include <dirent.h> 440ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#include <stddef.h> 4579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <fcntl.h> 4679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <errno.h> 4779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <signal.h> 48f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes#include <time.h> 4979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/types.h> 5079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/stat.h> 5179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#define stat_t struct stat 5279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/ioctl.h> 5379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/time.h> 5479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdarg.h> 550e1135de5cbb783846a4f7e9ef8a5f953f7c77aeAlan Coopersmith#ifdef HAVE_SYS_MKDEV_H 560e1135de5cbb783846a4f7e9ef8a5f953f7c77aeAlan Coopersmith# include <sys/mkdev.h> /* defines major(), minor(), and makedev() on Solaris */ 570e1135de5cbb783846a4f7e9ef8a5f953f7c77aeAlan Coopersmith#endif 58b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 59b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss/* Not all systems have MAP_FAILED defined */ 60b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#ifndef MAP_FAILED 61b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#define MAP_FAILED ((void *)-1) 62b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#endif 63b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 64b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#include "xf86drm.h" 6542465feb9759ef5a6d79d7e628510cd0a081f913Emil Velikov#include "libdrm_macros.h" 66b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 67fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#ifdef __OpenBSD__ 68fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_PRIMARY_MINOR_NAME "drm" 69fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_CONTROL_MINOR_NAME "drmC" 70fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_RENDER_MINOR_NAME "drmR" 71fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#else 72fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_PRIMARY_MINOR_NAME "card" 73fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_CONTROL_MINOR_NAME "controlD" 74fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#define DRM_RENDER_MINOR_NAME "renderD" 75fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray#endif 76fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray 7727c3785d3f12743a9e160238a4d00353060ec2f2Hasso Tepper#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) 78cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 145 79cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#endif 80cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt 81cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifdef __NetBSD__ 82cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 34 8388dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 8488dbee54ed400a3fd5594fab506518c171167805Rik Faith 8566c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#ifdef __OpenBSD__ 8666c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#ifdef __i386__ 8766c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#define DRM_MAJOR 88 8866c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#else 8966c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#define DRM_MAJOR 87 9066c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#endif 9166c3afb75fa993f2f8b00c2dd9c2ec37a3a9dfb6Jonathan Gray#endif /* __OpenBSD__ */ 92b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 93cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifndef DRM_MAJOR 94cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 226 /* Linux */ 9588dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 9688dbee54ed400a3fd5594fab506518c171167805Rik Faith 9722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson/* 9822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This definition needs to be changed on some systems if dev_t is a structure. 9922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * If there is a header file we can get it from, there would be best. 10022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 101569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#ifndef makedev 102569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) 103569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#endif 104569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 10556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes#define DRM_MSG_VERBOSITY 3 10656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 107fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter#define memclear(s) memset(&s, 0, sizeof(s)) 108fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 10979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic drmServerInfoPtr drm_server_info; 11079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 11179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid drmSetServerInfo(drmServerInfoPtr info) 11279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 113ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info = info; 11479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 11579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 116d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 117d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Output a message to stderr. 118d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 119d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param format printf() like format string. 120d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 121d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 122d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around vfprintf(). 123d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 12479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 12544b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Redingstatic int DRM_PRINTFLIKE(1, 0) 12644b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry RedingdrmDebugPrint(const char *format, va_list ap) 12779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 128ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return vfprintf(stderr, format, ap); 12979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 13079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 131c4857429c716f35e1fa054d1990cae28055d96d7Eric Anholtvoid 13256bd9c207770d41a497f3e8237a1099dd9d4cd91David DawesdrmMsg(const char *format, ...) 13356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes{ 13456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_list ap; 13556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes const char *env; 13679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) || drm_server_info) 13756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes { 13856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_start(ap, format); 13979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 14079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_server_info->debug_print(format,ap); 14179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } else { 142cfbe9c9807888d24a56d9b1df28db7da669dee85Jan Vesely drmDebugPrint(format, ap); 14379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 14456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_end(ap); 14556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 14656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes} 14756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 148b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void *drmHashTable = NULL; /* Context switch callbacks */ 149b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid *drmGetHashTable(void) 15179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 152ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return drmHashTable; 15379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 154b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 155b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid *drmMalloc(int size) 156b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 157d0e592d4e9b59d9cc185f1d63b3c1dd818e95098Emil Velikov return calloc(1, size); 158b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 159b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 160b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFree(void *pt) 161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 162d0e592d4e9b59d9cc185f1d63b3c1dd818e95098Emil Velikov free(pt); 163b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard/** 1668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard * Call ioctl, restarting if it is interupted 1678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard */ 168731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint 16941b83a99583486ad4f8760a6537d34783769bfc3Coleman KanedrmIoctl(int fd, unsigned long request, void *arg) 1708b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard{ 1718b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard int ret; 1728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard 1738b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard do { 1748b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard ret = ioctl(fd, request, arg); 1758b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); 1768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return ret; 1778b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard} 178b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic unsigned long drmGetKeyFromFd(int fd) 180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 181fcc21069b7019a4a93e1ceacc175ccd682353861David Dawes stat_t st; 182b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss st.st_rdev = 0; 184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fstat(fd, &st); 185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return st.st_rdev; 186b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 187b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 18879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmHashEntry *drmGetEntry(int fd) 189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry; 193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 194ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drmHashTable) 195ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmHashTable = drmHashCreate(); 196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashLookup(drmHashTable, key, &value)) { 198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = drmMalloc(sizeof(*entry)); 199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = fd; 200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = drmHashCreate(); 202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(drmHashTable, key, entry); 203b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } else { 204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = value; 205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return entry; 207b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 208b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 209d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 21006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Compare two busid strings 21106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param first 21306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param second 21406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return 1 if matched. 21606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 21806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * This function compares two bus ID strings. It understands the older 21906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * PCI:b:d:f format and the newer pci:oooo:bb:dd.f format. In the format, o is 22006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * domain, b is bus, d is device, f is function. 22106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 222b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidtstatic int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok) 22306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 22406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* First, check if the IDs are exactly the same */ 22506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strcasecmp(id1, id2) == 0) 22606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 22706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 22806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Try to match old/new-style PCI bus IDs. */ 22906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strncasecmp(id1, "pci", 3) == 0) { 23090ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o1, b1, d1, f1; 23190ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o2, b2, d2, f2; 23206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int ret; 23306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 23490ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "pci:%04x:%02x:%02x.%u", &o1, &b1, &d1, &f1); 23506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 23606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o1 = 0; 23790ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "PCI:%u:%u:%u", &b1, &d1, &f1); 23806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 23906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 24106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 24290ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "pci:%04x:%02x:%02x.%u", &o2, &b2, &d2, &f2); 24306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 24406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o2 = 0; 24590ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "PCI:%u:%u:%u", &b2, &d2, &f2); 24606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 24706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 24906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 250b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* If domains aren't properly supported by the kernel interface, 251b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * just ignore them, which sucks less than picking a totally random 252b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * card with "open by name" 253b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 254b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (!pci_domain_ok) 255b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt o1 = o2 = 0; 256b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt 25706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2)) 25806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 25906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt else 26006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 26106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 26206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 26306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 26406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 26506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 266c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Handles error checking for chown call. 267c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 268c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param path to file. 269c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new owner. 270c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new group. 271c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 272c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \return zero if success or -1 if failure. 273c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 274c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \internal 275c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Checks for failure. If failure was caused by signal call chown again. 276c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * If any other failure happened then it will output error mesage using 277c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * drmMsg() call. 278c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen */ 2796fc0e4ba1ea153ff949cba0002fc5ed544de0de0Jan Vesely#if !defined(UDEV) 280c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminenstatic int chown_check_return(const char *path, uid_t owner, gid_t group) 281c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen{ 282c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen int rv; 283c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 284c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen do { 285c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen rv = chown(path, owner, group); 286c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen } while (rv != 0 && errno == EINTR); 287c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 288c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen if (rv == 0) 289c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen return 0; 290c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 291c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen drmMsg("Failed to change owner or group for file %s! %d: %s\n", 292c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen path, errno, strerror(errno)); 293c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen return -1; 294c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen} 2956fc0e4ba1ea153ff949cba0002fc5ed544de0de0Jan Vesely#endif 296c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 297c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen/** 298d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device, creating it if necessary. 299d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 300d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param dev major and minor numbers of the device. 301d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor minor number of the device. 302d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 303d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 304d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 305d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 306d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assembles the device name from \p minor and opens it, creating the device 307d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * special file node with the major and minor numbers specified by \p dev and 308d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parent directory if necessary and was called by root. 309d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 310de8532dd8359dfdaba839ff61fc9e2f05eaf57d3Jan Veselystatic int drmOpenDevice(dev_t dev, int minor, int type) 311b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 3129c775d0b2f303389c24aea5e8abc1473f0cf93e8David Dawes stat_t st; 3130c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns const char *dev_name; 31488dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 31588dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 31679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie mode_t devmode = DRM_DEV_MODE, serv_mode; 3170706c14e7cc5f1d996bb1c3c526f877c4f8fc215Jan Vesely gid_t serv_group; 3180706c14e7cc5f1d996bb1c3c526f877c4f8fc215Jan Vesely#if !defined(UDEV) 31988dbee54ed400a3fd5594fab506518c171167805Rik Faith int isroot = !geteuid(); 32088dbee54ed400a3fd5594fab506518c171167805Rik Faith uid_t user = DRM_DEV_UID; 3210706c14e7cc5f1d996bb1c3c526f877c4f8fc215Jan Vesely gid_t group = DRM_DEV_GID; 3220706c14e7cc5f1d996bb1c3c526f877c4f8fc215Jan Vesely#endif 3230706c14e7cc5f1d996bb1c3c526f877c4f8fc215Jan Vesely 3240c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns switch (type) { 3250c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_PRIMARY: 3260c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_DEV_NAME; 3270c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3280c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_CONTROL: 3290c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_CONTROL_DEV_NAME; 3300c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3310c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_RENDER: 3320c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_RENDER_DEV_NAME; 3330c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3340c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns default: 3350c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return -EINVAL; 3360c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns }; 3370c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 3380c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns sprintf(buf, dev_name, DRM_DIR_NAME, minor); 33906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenDevice: node name is %s\n", buf); 34056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 34179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 342ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info->get_perms(&serv_group, &serv_mode); 343ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode = serv_mode ? serv_mode : DRM_DEV_MODE; 344ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); 34579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 346569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 3479101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#if !defined(UDEV) 34888dbee54ed400a3fd5594fab506518c171167805Rik Faith if (stat(DRM_DIR_NAME, &st)) { 349ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 350ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 351b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE); 352c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(DRM_DIR_NAME, 0, 0); /* root:root */ 353b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE); 354569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 355b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 35606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node exists and create it if necessary. */ 357d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (stat(buf, &st)) { 358ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 359ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 36088dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 36188dbee54ed400a3fd5594fab506518c171167805Rik Faith mknod(buf, S_IFCHR | devmode, dev); 362b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 36379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 36479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 365454b14949452c4e44990a8f455bcc307306181bcJammy Zhou group = ((int)serv_group >= 0) ? serv_group : DRM_DEV_GID; 366c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 367ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 36879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 3699101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#else 3709101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie /* if we modprobed then wait for udev */ 3719101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie { 3729101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie int udev_count = 0; 3739101a0205c897fea28e6a3d875111a83ad7f7732Dave Airliewait_for_udev: 3749101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(DRM_DIR_NAME, &st)) { 3759101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3769101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3779101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3789101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3799101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3809101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3819101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3829101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3839101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(buf, &st)) { 3849101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3859101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3869101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3879101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3889101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3899101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3909101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3919101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3929101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#endif 39388dbee54ed400a3fd5594fab506518c171167805Rik Faith 39456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd = open(buf, O_RDWR, 0); 39556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: open result is %d, (%s)\n", 39656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd, fd < 0 ? strerror(errno) : "OK"); 397ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 398ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 399d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 40039e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#if !defined(UDEV) 40106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node is not what we expect it to be, and recreate it 40206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * and try again if so. 40306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 404d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (st.st_rdev != dev) { 405ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 406ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 407d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt remove(buf); 408d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt mknod(buf, S_IFCHR | devmode, dev); 40979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 410c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 411ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 41279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 413d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt } 414d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd = open(buf, O_RDWR, 0); 415d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt drmMsg("drmOpenDevice: open result is %d, (%s)\n", 416d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd, fd < 0 ? strerror(errno) : "OK"); 417ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 418ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 419d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 42056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: Open failed\n"); 42188dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 42239e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#endif 42388dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 424b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 425b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 426d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 427d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 428d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device 429d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 430d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor device minor number. 431d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param create allow to create the device if set. 432d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 433d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 434d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 435d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 436d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Calls drmOpenDevice() if \p create is set, otherwise assembles the device 437d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * name from \p minor and opens it. 438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 439731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesstatic int drmOpenMinor(int minor, int create, int type) 44088dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 44188dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 44288dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 4430c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns const char *dev_name; 444db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 445ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (create) 446731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type); 44788dbee54ed400a3fd5594fab506518c171167805Rik Faith 4480c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns switch (type) { 4490c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_PRIMARY: 4500c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_DEV_NAME; 4510c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4520c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_CONTROL: 4530c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_CONTROL_DEV_NAME; 4540c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4550c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_RENDER: 4560c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_RENDER_DEV_NAME; 4570c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4580c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns default: 4590c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return -EINVAL; 4600c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns }; 4610c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 4620c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns sprintf(buf, dev_name, DRM_DIR_NAME, minor); 463ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((fd = open(buf, O_RDWR, 0)) >= 0) 464ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 46588dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 46688dbee54ed400a3fd5594fab506518c171167805Rik Faith} 46788dbee54ed400a3fd5594fab506518c171167805Rik Faith 468569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 469d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 470d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine whether the DRM kernel driver has been loaded. 471d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 472d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return 1 if the DRM driver is loaded, 0 otherwise. 473d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 474d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 475d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine the presence of the kernel driver by attempting to open the 0 476d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * minor and get version information. For backward compatibility with older 477d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Linux implementations, /proc/dri is also checked. 478d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 479569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulint drmAvailable(void) 480569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul{ 481569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul drmVersionPtr version; 482569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int retval = 0; 483569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int fd; 484360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 485ad8bbfd3c74466f088be8088d2d0524bed392b71Frank Binns if ((fd = drmOpenMinor(0, 1, DRM_NODE_PRIMARY)) < 0) { 486b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#ifdef __linux__ 48722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Try proc for backward Linux compatibility */ 488ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!access("/proc/dri/0", R_OK)) 489ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 1; 490b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#endif 49188dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 492569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 49388dbee54ed400a3fd5594fab506518c171167805Rik Faith 49488dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 49588dbee54ed400a3fd5594fab506518c171167805Rik Faith retval = 1; 49688dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 49788dbee54ed400a3fd5594fab506518c171167805Rik Faith } 49888dbee54ed400a3fd5594fab506518c171167805Rik Faith close(fd); 499569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 500569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul return retval; 501569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul} 502569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 503f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmGetMinorBase(int type) 504f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou{ 505f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou switch (type) { 506f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_PRIMARY: 507f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 0; 508f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_CONTROL: 509f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 64; 510f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_RENDER: 511f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 128; 512f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou default: 513f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 514f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou }; 515f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou} 516d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 5171f73578df32f895a678a41758f6c563f49484347Frank Binnsstatic int drmGetMinorType(int minor) 5181f73578df32f895a678a41758f6c563f49484347Frank Binns{ 5191f73578df32f895a678a41758f6c563f49484347Frank Binns int type = minor >> 6; 5201f73578df32f895a678a41758f6c563f49484347Frank Binns 5211f73578df32f895a678a41758f6c563f49484347Frank Binns if (minor < 0) 5221f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 5231f73578df32f895a678a41758f6c563f49484347Frank Binns 5241f73578df32f895a678a41758f6c563f49484347Frank Binns switch (type) { 5251f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_PRIMARY: 5261f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_CONTROL: 5271f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_RENDER: 5281f73578df32f895a678a41758f6c563f49484347Frank Binns return type; 5291f73578df32f895a678a41758f6c563f49484347Frank Binns default: 5301f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 5311f73578df32f895a678a41758f6c563f49484347Frank Binns } 5321f73578df32f895a678a41758f6c563f49484347Frank Binns} 5331f73578df32f895a678a41758f6c563f49484347Frank Binns 5340ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovstatic const char *drmGetMinorName(int type) 5350ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 5360ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov switch (type) { 5370ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_PRIMARY: 538fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray return DRM_PRIMARY_MINOR_NAME; 5390ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_CONTROL: 540fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray return DRM_CONTROL_MINOR_NAME; 5410ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_RENDER: 542fc083322b0c8a58b51976adf23a582bce8bb75f1Jonathan Gray return DRM_RENDER_MINOR_NAME; 5430ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov default: 5440ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 5450ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 5460ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 5470ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 548d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 549d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by bus ID. 550d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 551d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. 552f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type device node type. 553d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 554d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 555d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 556d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 557d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function attempts to open every possible minor (up to DRM_MAX_MINOR), 558d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * comparing the device bus ID with the one supplied. 559d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 560d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor() and drmGetBusid(). 561d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 562f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmOpenByBusid(const char *busid, int type) 563e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss{ 564b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt int i, pci_domain_ok = 1; 56588dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 56688dbee54ed400a3fd5594fab506518c171167805Rik Faith const char *buf; 56706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmSetVersion sv; 568f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int base = drmGetMinorBase(type); 569f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 570f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if (base < 0) 571f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 57206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 57306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenByBusid: Searching for BusID %s\n", busid); 574f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou for (i = base; i < base + DRM_MAX_MINOR; i++) { 575f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou fd = drmOpenMinor(i, 1, type); 57656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd); 57756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (fd >= 0) { 578b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* We need to try for 1.4 first for proper PCI domain support 579b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * and if that fails, we know the kernel is busted 580b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 58106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = 1; 582b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 4; 58306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = -1; /* Don't care */ 58426462b9aa47179e724e78f0b3b1c86fd07f61d8dEric Anholt sv.drm_dd_minor = -1; /* Don't care */ 585b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (drmSetInterfaceVersion(fd, &sv)) { 586b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#ifndef __alpha__ 587b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt pci_domain_ok = 0; 588b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#endif 589b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_major = 1; 590b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 1; 591b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_major = -1; /* Don't care */ 592b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_minor = -1; /* Don't care */ 593303ff26311dc5efdf28676be34d86f501699acf3Thierry Reding drmMsg("drmOpenByBusid: Interface 1.4 failed, trying 1.1\n"); 594b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt drmSetInterfaceVersion(fd, &sv); 595b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt } 596e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss buf = drmGetBusid(fd); 59756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf); 598b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (buf && drmMatchBusID(buf, busid, pci_domain_ok)) { 59988dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeBusid(buf); 60088dbee54ed400a3fd5594fab506518c171167805Rik Faith return fd; 601e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 602ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (buf) 603ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmFreeBusid(buf); 604e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss close(fd); 605e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 606e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 607e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss return -1; 608e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss} 609e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss 610d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 611d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 612d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by name. 613d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 614d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. 615f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type the device node type. 616d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function opens the first minor number that matches the driver name and 621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * isn't already in use. If it's in use it then it will already have a bus ID 622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * assigned. 623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor(), drmGetVersion() and drmGetBusid(). 625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 626f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmOpenByName(const char *name, int type) 627b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss{ 62888dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 62988dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 63088dbee54ed400a3fd5594fab506518c171167805Rik Faith drmVersionPtr version; 63156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes char * id; 632f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int base = drmGetMinorBase(type); 633f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 634f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if (base < 0) 635f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 636db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 63756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes /* 63856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * Open the first minor number that matches the driver name and isn't 63956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * already in use. If it's in use it will have a busid assigned already. 64056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes */ 641f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou for (i = base; i < base + DRM_MAX_MINOR; i++) { 642f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if ((fd = drmOpenMinor(i, 1, type)) >= 0) { 64388dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 64488dbee54ed400a3fd5594fab506518c171167805Rik Faith if (!strcmp(version->name, name)) { 64588dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 64656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes id = drmGetBusid(fd); 64756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL"); 64856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (!id || !*id) { 64922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (id) 65056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 65156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return fd; 65256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 65356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 65456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 65556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 65656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeVersion(version); 65788dbee54ed400a3fd5594fab506518c171167805Rik Faith } 65888dbee54ed400a3fd5594fab506518c171167805Rik Faith } 65956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes close(fd); 66088dbee54ed400a3fd5594fab506518c171167805Rik Faith } 661b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 662b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 66388dbee54ed400a3fd5594fab506518c171167805Rik Faith#ifdef __linux__ 66422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Backward-compatibility /proc support */ 665b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (i = 0; i < 8; i++) { 66688dbee54ed400a3fd5594fab506518c171167805Rik Faith char proc_name[64], buf[512]; 66788dbee54ed400a3fd5594fab506518c171167805Rik Faith char *driver, *pt, *devstring; 66888dbee54ed400a3fd5594fab506518c171167805Rik Faith int retcode; 66988dbee54ed400a3fd5594fab506518c171167805Rik Faith 6700371c290a12f75d36c9c1e7c947bf98fe210908bDaryll Strauss sprintf(proc_name, "/proc/dri/%d/name", i); 671b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if ((fd = open(proc_name, 0, 0)) >= 0) { 672b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss retcode = read(fd, buf, sizeof(buf)-1); 673b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss close(fd); 674b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (retcode) { 675b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss buf[retcode-1] = '\0'; 676b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (driver = pt = buf; *pt && *pt != ' '; ++pt) 677b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 67822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (*pt) { /* Device is next */ 679b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss *pt = '\0'; 680b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (!strcmp(driver, name)) { /* Match */ 681b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (devstring = ++pt; *pt && *pt != ' '; ++pt) 682b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 683b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (*pt) { /* Found busid */ 684f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenByBusid(++pt, type); 68522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson } else { /* No busid */ 686f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenDevice(strtol(devstring, NULL, 0),i, type); 687b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 688b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 689b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 690b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 691569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 692b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 69388dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 69488dbee54ed400a3fd5594fab506518c171167805Rik Faith 695b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return -1; 696b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss} 697b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 698b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 699d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 700d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device. 701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Looks up the specified name and bus ID, and opens the device found. The 703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * entry in /dev/dri is created if necessary and if called by root. 704d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 705d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. Not referenced if bus ID is supplied. 706d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. Zero if not known. 707d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 708d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 709d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 710d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 711d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 712d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * otherwise. 713d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 714b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmOpen(const char *name, const char *busid) 715b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 716f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenWithType(name, busid, DRM_NODE_PRIMARY); 717f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou} 718f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 719f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou/** 720f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * Open the DRM device with specified type. 721f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 722f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * Looks up the specified name and bus ID, and opens the device found. The 723f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * entry in /dev/dri is created if necessary and if called by root. 724f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 725f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param name driver name. Not referenced if bus ID is supplied. 726f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param busid bus ID. Zero if not known. 727f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type the device node type to open, PRIMARY, CONTROL or RENDER 728f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 729f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \return a file descriptor on success, or a negative value on error. 730f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 731f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \internal 732f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 733f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * otherwise. 734f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou */ 735f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhouint drmOpenWithType(const char *name, const char *busid, int type) 736f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou{ 73779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drmAvailable() && name != NULL && drm_server_info) { 738f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou /* try to load the kernel module */ 73979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drm_server_info->load_module(name)) { 740ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 74106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 74206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 74306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 74406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 74506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (busid) { 746f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int fd = drmOpenByBusid(busid, type); 74706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (fd >= 0) 74806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return fd; 74906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 75022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 75106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (name) 752f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenByName(name, type); 75322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 75406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 755b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 756b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 757731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmOpenControl(int minor) 758731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 759731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenMinor(minor, 0, DRM_NODE_CONTROL); 760731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 761d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 7620c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binnsint drmOpenRender(int minor) 7630c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns{ 7640c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return drmOpenMinor(minor, 0, DRM_NODE_RENDER); 7650c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns} 7660c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 767d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 768d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the version information returned by drmGetVersion(). 769d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 770d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 771d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 772d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It frees the memory pointed by \p %v as well as all the non-null strings 774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * pointers in it. 775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 776b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFreeVersion(drmVersionPtr v) 777b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 778ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 779ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 7809d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 7819d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 7829d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 783b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 784b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 785b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 786d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 787d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 788d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the non-public version information returned by the kernel. 789d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 790d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 791d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 792d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 793d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to free the memory pointed by \p %v as well as all 794d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the non-null strings pointers in it. 795d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 796b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void drmFreeKernelVersion(drm_version_t *v) 797b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 798ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 799ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 8009d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 8019d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 8029d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 803b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 804b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 805b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 806d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 807d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 808d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Copy version information. 809d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 810d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param d destination pointer. 811d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param s source pointer. 812d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 813d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 814d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to translate the information returned by the ioctl 815d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * interface in a private structure into the public structure counterpart. 816d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 817569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulstatic void drmCopyVersion(drmVersionPtr d, const drm_version_t *s) 818b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 819b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_major = s->version_major; 820b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_minor = s->version_minor; 821b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_patchlevel = s->version_patchlevel; 822b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->name_len = s->name_len; 8230a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->name = strdup(s->name); 824b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->date_len = s->date_len; 8250a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->date = strdup(s->date); 826b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->desc_len = s->desc_len; 8270a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->desc = strdup(s->desc); 828b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 829b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 830b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 831d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 832d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Query the driver version information. 833d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 836d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return pointer to a drmVersion structure which should be freed with 837d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * drmFreeVersion(). 838d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 839d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note Similar information is available via /proc/dri. 840d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 841d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 842d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It gets the version information via successive DRM_IOCTL_VERSION ioctls, 843d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * first with zeros to get the string lengths, and then the actually strings. 844d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It also null-terminates them since they might not be already. 845d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 846b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmVersionPtr drmGetVersion(int fd) 847b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 848b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmVersionPtr retval; 849b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_version_t *version = drmMalloc(sizeof(*version)); 850b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 85195f23cf894757d05a6b6c980062a46968dc069b1Daniel Vetter memclear(*version); 852360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 8538b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 854b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 855b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 856b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 857b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 858b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) 859b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = drmMalloc(version->name_len + 1); 860b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) 861b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = drmMalloc(version->date_len + 1); 862b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) 863b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = drmMalloc(version->desc_len + 1); 864360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 8658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 866b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno)); 867b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 868b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 869b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 870b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 87122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* The results might not be null-terminated strings, so terminate them. */ 872b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) version->name[version->name_len] = '\0'; 873b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) version->date[version->date_len] = '\0'; 874b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) version->desc[version->desc_len] = '\0'; 875b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 876b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 877b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmCopyVersion(retval, version); 878b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 879b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 880b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 881b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8823903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 884d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get version information for the DRM user space library. 885d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 886d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This version number is driver independent. 887d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 888d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 889d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 890d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return version information. 891d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 892d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 893d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function allocates and fills a drm_version structure with a hard coded 894d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * version number. 895d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 8963903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens OwendrmVersionPtr drmGetLibVersion(int fd) 8973903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 8983903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen drm_version_t *version = drmMalloc(sizeof(*version)); 8993903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 9003903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen /* Version history: 90179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * NOTE THIS MUST NOT GO ABOVE VERSION 1.X due to drivers needing it 9023903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.0.x = original DRM interface with no drmGetLibVersion 9033903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * entry point and many drm<Device> extensions 9043903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.1.x = added drmCommand entry points for device extensions 9053903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * added drmGetLibVersion to identify libdrm.a version 90606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * revision 1.2.x = added drmSetInterfaceVersion 90706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * modified drmOpen to handle both busid and name 90879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * revision 1.3.x = added server + memory manager 9093903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen */ 91079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_major = 1; 91179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_minor = 3; 9123903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen version->version_patchlevel = 0; 9133903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 9143903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return (drmVersionPtr)version; 9153903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 9163903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 9175c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggsint drmGetCap(int fd, uint64_t capability, uint64_t *value) 9185c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs{ 919fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter struct drm_get_cap cap; 9205c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs int ret; 9215c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 922fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(cap); 923fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.capability = capability; 924fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 9255c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap); 9265c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs if (ret) 9275c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs return ret; 9285c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 9295c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs *value = cap.value; 9303b04c73650b5e9bbcb602fdb8cea0b16ad82d0c0Dave Airlie return 0; 9315c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs} 932d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 933ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiauint drmSetClientCap(int fd, uint64_t capability, uint64_t value) 934ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau{ 935fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter struct drm_set_client_cap cap; 936fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 937fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(cap); 938fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.capability = capability; 939fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.value = value; 940ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 941ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau return drmIoctl(fd, DRM_IOCTL_SET_CLIENT_CAP, &cap); 942ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau} 943ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the bus ID information. 946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID information string as given by drmGetBusid(). 948d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 949d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 950d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is just frees the memory pointed by \p busid. 951d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 952b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussvoid drmFreeBusid(const char *busid) 953b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 954b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drmFree((void *)busid); 955b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 956b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 957d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 958d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 959d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get the bus ID of the device. 960d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 961d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 962d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 963d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return bus ID string. 964d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 965d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 966d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function gets the bus ID via successive DRM_IOCTL_GET_UNIQUE ioctls to 967d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * get the string length and data, passing the arguments in a drm_unique 968d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * structure. 969d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 970b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strausschar *drmGetBusid(int fd) 971b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 972b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 973b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 974fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(u); 975b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 977ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 978b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = drmMalloc(u.unique_len + 1); 9798b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 980ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 981b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique[u.unique_len] = '\0'; 98206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 983b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return u.unique; 984b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 985b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 986d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 987d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 988d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the bus ID of the device. 989d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 990d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 991d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID string. 992d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 993d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, negative on failure. 994d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 995d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 996d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_SET_UNIQUE ioctl, passing 997d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_unique structure. 998d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 999b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmSetBusid(int fd, const char *busid) 1000b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1001b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 1002b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1003fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(u); 1004b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = (char *)busid; 1005b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = strlen(busid); 1006b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { 100856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return -errno; 100956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 1010b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1011b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1012b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10138696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMagic(int fd, drm_magic_t * magic) 1014b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1015b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 1016b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1017fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(auth); 1018fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1019b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = 0; 10208b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) 1021ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1022b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = auth.magic; 1023b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1024b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1025b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10268696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAuthMagic(int fd, drm_magic_t magic) 1027b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1028b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 1029b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1030fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(auth); 1031b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss auth.magic = magic; 10328b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) 1033ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1034b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1035b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1036b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1037d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Specifies a range of memory that is available for mapping by a 1039d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * non-root process. 1040d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1041d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1042d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset usually the physical address. The actual meaning depends of 1043d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the \p type parameter. See below. 1044d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size of the memory in bytes. 1045d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of the memory to be mapped. 1046d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags combination of several flags to modify the function actions. 1047d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle will be set to a value that may be used as the offset 1048d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parameter for mmap(). 1049d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1050d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success or a negative value on error. 1051d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1052d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the frame buffer 1053d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the frame buffer 1054d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the frame buffer, 1055d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the frame buffer in bytes, and 1056d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_FRAME_BUFFER. 1057d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1058d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1059d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. If MTRR support is available in the 1060d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel, the frame buffer area will be set to write combining. 1061d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1062d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the MMIO register area 1063d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the MMIO register area, 1064d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the register area, 1065d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the register area bytes, and 1066d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_REGISTERS. 1067d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1068d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. 1069d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1070d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the SAREA 1071d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the SAREA, 1072d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be ignored and should be set to zero, 1073d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the desired size of the SAREA in bytes, 1074d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_SHM. 1075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * A shared memory area of the requested size will be created and locked in 1078d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel memory. This area may be mapped into client-space by using the handle 1079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returned. 1080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1083d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1084d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_MAP ioctl, passing 1085d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_map structure. 1086d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 108722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type, 108822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drmMapFlags flags, drm_handle_t *handle) 1089b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1090b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_map_t map; 1091b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1092fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 1093b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.offset = offset; 1094b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.size = size; 1095b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.type = type; 1096b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.flags = flags; 10978b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map)) 1098ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1099ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 1100961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 1101b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1102b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1103b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11048696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmRmMap(int fd, drm_handle_t handle) 110574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 110674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_map_t map; 110774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 1108fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 1109961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 111074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 11118b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map)) 1112ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 111374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 111474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 111574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 1116d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1117d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Make buffers available for DMA transfers. 1118d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1119d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1120d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers. 1121d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of each buffer. 1122d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags buffer allocation flags. 1123d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param agp_offset offset in the AGP aperture 1124d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1125d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return number of buffers allocated, negative on error. 1126d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1127d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1128d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around DRM_IOCTL_ADD_BUFS ioctl. 1129d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1130d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drm_buf_desc. 1131d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1132ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAddBufs(int fd, int count, int size, drmBufDescFlags flags, 1133ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann int agp_offset) 1134b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1135b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_desc_t request; 1136360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1137fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(request); 1138b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1139b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.size = size; 1140b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.flags = flags; 1141ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann request.agp_start = agp_offset; 1142360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11438b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request)) 1144ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return request.count; 1146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1147b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1148b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmMarkBufs(int fd, double low, double high) 1149b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1150b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1151b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1152b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1153fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(info); 1154b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11558b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1156ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1157b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1158ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!info.count) 1159ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1160360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1162b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return -ENOMEM; 1163360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11648b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1165b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1166b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1167b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1168b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1169360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1170b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1171b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].low_mark = low * info.list[i].count; 1172b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].high_mark = high * info.list[i].count; 11738b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { 1174b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1175b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1176b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1177b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1178b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1180360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1181b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1182b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1184d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1185d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free buffers. 1186d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1187d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1188d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers to free. 1189d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param list list of buffers to be freed. 1190d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1191d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1192d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1193d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note This function is primarily used for debugging. 1194d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1195d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1196d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing 1197d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_buf_free structure. 1198d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFreeBufs(int fd, int count, int *list) 1200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_free_t request; 1202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1203fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(request); 1204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.list = list; 12068b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request)) 1207ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1208b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1209b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1210b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1211d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1212d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1213d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Close the device. 1214d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1215d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1216d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1217d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1218d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function closes the file descriptor. 1219d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1220b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmClose(int fd) 1221b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1222b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 1223b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 1224b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1225b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDestroy(entry->tagTable); 1226b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = 0; 1227b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 1228b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = NULL; 1229b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1230b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(drmHashTable, key); 1231b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(entry); 1232b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1233b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return close(fd); 1234b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1235b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1236d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1237d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1238d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map a region of memory. 1239d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1240d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1241d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle returned by drmAddMap(). 1242d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmAddMap(). 1243d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address will contain the user-space virtual address where the mapping 1244d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * begins. 1245d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1246d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1247d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1248d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1249d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper for mmap(). 1250d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 125122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address) 1252b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1253c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane static unsigned long pagesize_mask = 0; 1254c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1255ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd < 0) 1256ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1257c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1258c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane if (!pagesize_mask) 1259c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane pagesize_mask = getpagesize() - 1; 1260c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1261c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane size = (size + pagesize_mask) & ~pagesize_mask; 1262c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1263faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov *address = drm_mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle); 1264ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (*address == MAP_FAILED) 1265ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1266b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1267b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1268b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1269d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1271d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap mappings obtained with drmMap(). 1272d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1273d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address address as given by drmMap(). 1274d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmMap(). 1275d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1276d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1277d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1278d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 127922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This function is a wrapper for munmap(). 1280d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1281b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmap(drmAddress address, drmSize size) 1282b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1283faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov return drm_munmap(address, size); 1284b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1285b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1286b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufInfoPtr drmGetBufInfo(int fd) 1287b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1288b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1289b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufInfoPtr retval; 1290b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1291b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1292fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(info); 1293b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 12948b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1295ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1296b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1297b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (info.count) { 1298b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1299b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1300360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 13018b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1302b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1303b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1304b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 130522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1306b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1307b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = info.count; 1308b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(info.count * sizeof(*retval->list)); 1309b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1310b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].count = info.list[i].count; 1311b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].size = info.list[i].size; 1312b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].low_mark = info.list[i].low_mark; 1313b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].high_mark = info.list[i].high_mark; 1314b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1315b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1316b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1317b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1318b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1319b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1320b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1321d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1322d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map all DMA buffers into client-virtual space. 1323d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1324d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1325d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1326d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a pointer to a ::drmBufMap structure. 1327d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1328d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note The client may not use these buffers until obtaining buffer indices 1329d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with drmDMA(). 1330d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1331d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1332d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function calls the DRM_IOCTL_MAP_BUFS ioctl and copies the returned 1333d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * information about the buffers in a drm_buf_map structure into the 1334d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * client-visible data structures. 1335d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1336b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufMapPtr drmMapBufs(int fd) 1337b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1338b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_map_t bufs; 1339b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufMapPtr retval; 1340b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1341360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1342fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(bufs); 13438b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) 1344ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1345b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1346ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!bufs.count) 1347ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 13488696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1349b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list)))) 1350b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1351b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 13528b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { 1353b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(bufs.list); 1354b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1355b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 135622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1357b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1358b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = bufs.count; 1359b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(bufs.count * sizeof(*retval->list)); 1360b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs.count; i++) { 1361b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].idx = bufs.list[i].idx; 1362b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].total = bufs.list[i].total; 1363b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].used = 0; 1364b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].address = bufs.list[i].address; 1365b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 13668696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 13678696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs.list); 13688696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1369b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1370b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1371b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1372d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1373d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1374d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap buffers allocated with drmMapBufs(). 1375d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1376d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or negative value on failure. 1377d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1378d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 13798696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * Calls munmap() for every buffer stored in \p bufs and frees the 13808696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * memory allocated by drmMapBufs(). 1381d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1382b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmapBufs(drmBufMapPtr bufs) 1383b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1384b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1385360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1386b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs->count; i++) { 1387faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov drm_munmap(bufs->list[i].address, bufs->list[i].total); 1388b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 13898696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 13908696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs->list); 13918696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs); 13928696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1393b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1394b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1395b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1396d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1397360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes#define DRM_DMA_RETRY 16 1398360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1399d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1400d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Reserve DMA buffers. 1401d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1402d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1403d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param request 1404d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1405d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1406d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1407d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1408d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assemble the arguments into a drm_dma structure and keeps issuing the 1409d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * DRM_IOCTL_DMA ioctl until success or until maximum number of retries. 1410d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1411b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmDMA(int fd, drmDMAReqPtr request) 1412b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1413b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_dma_t dma; 1414360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes int ret, i = 0; 1415b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1416b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.context = request->context; 1417b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_count = request->send_count; 1418b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_indices = request->send_list; 1419b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_sizes = request->send_sizes; 1420b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.flags = request->flags; 1421b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_count = request->request_count; 1422b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_size = request->request_size; 1423b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_indices = request->request_list; 1424b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_sizes = request->request_sizes; 14258696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl dma.granted_count = 0; 1426360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1427360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes do { 1428360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes ret = ioctl( fd, DRM_IOCTL_DMA, &dma ); 1429360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY ); 1430360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1431360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes if ( ret == 0 ) { 1432360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes request->granted_count = dma.granted_count; 1433360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return 0; 1434360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } else { 1435360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return -errno; 1436360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } 1437b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1438b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1439d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1440d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1441d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Obtain heavyweight hardware lock. 1442d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1443d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1444d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1445d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags flags that determine the sate of the hardware when the function 1446d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returns. 1447d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1448d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return always zero. 1449d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1450d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1451d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function translates the arguments into a drm_lock structure and issue 1452d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired. 1453d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 14548696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetLock(int fd, drm_context_t context, drmLockFlags flags) 1455b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1456b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1457b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1458fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 1459b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1460b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 1461b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 1462b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 1463b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 1464b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 1465b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 1466b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 1467360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 14688b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock)) 1469b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ; 1470b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1471b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1472b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1473d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1474d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the hardware lock. 1475d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1476d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1477d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1478d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1479d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1480d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1481d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1482d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the 1483d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_lock structure. 1484d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 14858696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmUnlock(int fd, drm_context_t context) 1486b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1487b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1488b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1489fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 1490b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 14918b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock); 1492b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1493b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 149422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksondrm_context_t *drmGetReservedContextList(int fd, int *count) 1495b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1496b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_res_t res; 1497b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t *list; 14988696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drm_context_t * retval; 1499b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1500b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1501fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(res); 15028b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1503ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1504b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1505ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!res.count) 1506ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1507b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1508ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!(list = drmMalloc(res.count * sizeof(*list)))) 1509ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1510b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(retval = drmMalloc(res.count * sizeof(*retval)))) { 1511b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1512b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1513b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1514b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1515b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = list; 15168b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1517ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1518b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1519ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < res.count; i++) 1520ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian retval[i] = list[i].handle; 1521b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1522b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1523b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *count = res.count; 1524b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1525b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1526b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 152722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonvoid drmFreeReservedContextList(drm_context_t *pt) 1528b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1529b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(pt); 1530b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1531b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1532d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1533d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Create context. 1534d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1535d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by the X server during GLXContext initialization. This causes 1536d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * per-context kernel-level resources to be allocated. 1537d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1538d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1539d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle is set on success. To be used by the client when requesting DMA 1540d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * dispatch with drmDMA(). 1541d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1542d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1543d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1544d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1545d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1546d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1547d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the 1548d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1549d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 155022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateContext(int fd, drm_context_t *handle) 1551b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1552b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1553b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1554fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 15558b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) 1556ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1557b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = ctx.handle; 1558b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1559b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1560b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15618696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSwitchToContext(int fd, drm_context_t context) 1562b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1563b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1564b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1565fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1566b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 15678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) 1568ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1569b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1570b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1571b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15728696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags) 1573b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1574b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1575b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 157622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* 157722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * Context preserving means that no context switches are done between DMA 157822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * buffers from one context and the next. This is suitable for use in the 157922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * X server (which promises to maintain hardware context), or in the 158022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * client-side library when buffers are swapped on behalf of two threads. 158122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 1582fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1583b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 1584ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_PRESERVED) 1585ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_PRESERVED; 1586ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_2DONLY) 1587ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_2DONLY; 15888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) 1589ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1590b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1591b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1592b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 159322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextFlags(int fd, drm_context_t context, 159422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_context_tFlagsPtr flags) 1595b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1596b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1597b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1598fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1599b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 16008b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx)) 1601ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1602b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *flags = 0; 1603ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_PRESERVED) 1604ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_PRESERVED; 1605ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_2DONLY) 1606ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_2DONLY; 1607b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1608b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1609360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1610d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1611d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Destroy context. 1612d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1613d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free any kernel-level resources allocated with drmCreateContext() associated 1614d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with the context. 1615d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1616d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle given by drmCreateContext(). 1618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the 1625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1626d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16278696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyContext(int fd, drm_context_t handle) 1628b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1629b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1630fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1631fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1632b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = handle; 16338b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx)) 1634ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1635b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1636b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1637b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 163822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateDrawable(int fd, drm_drawable_t *handle) 1639b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1640b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1641fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1642fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(draw); 16438b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) 1644ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1645b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = draw.handle; 1646b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1647b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1648b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 16498696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyDrawable(int fd, drm_drawable_t handle) 1650b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1651b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1652fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1653fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(draw); 1654b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss draw.handle = handle; 16558b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw)) 1656ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1657b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1658b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1659b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 16609810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzerint drmUpdateDrawableInfo(int fd, drm_drawable_t handle, 16619810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_drawable_info_type_t type, unsigned int num, 16629810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer void *data) 16639810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer{ 16649810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_update_draw_t update; 16659810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1666fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(update); 16679810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.handle = handle; 16689810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.type = type; 16699810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.num = num; 16709810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.data = (unsigned long long)(unsigned long)data; 16719810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 16728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) 1673ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 16749810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 16759810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer return 0; 16769810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer} 16779810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1678d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1679d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Acquire the AGP device. 1680d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1681d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Must be called before any of the other AGP related calls. 1682d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1683d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1684d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1685d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1686d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1687d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1688d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl. 1689d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1690ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAcquire(int fd) 1691ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 16928b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) 1693ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1694ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1695ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1696ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1697d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1698d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1699d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the AGP device. 1700d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1704d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1705d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1706d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl. 1707d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1708ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpRelease(int fd) 1709ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 17108b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) 1711ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1712ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1713ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1714ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1715d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1716d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1717d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the AGP mode. 1718d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1719d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1720d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param mode AGP mode. 1721d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1722d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1723d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1724d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1725d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the 1726d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_mode structure. 1727d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1728ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpEnable(int fd, unsigned long mode) 1729ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1730ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_mode_t m; 1731ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17321490055bc05fa941b59d10e89ef3fccd673af477Connor Behan memclear(m); 1733ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann m.mode = mode; 17348b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) 1735ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1736ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1737ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1738ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1739d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1740d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1741d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Allocate a chunk of AGP memory. 1742d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1743d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1744d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size requested memory size in bytes. Will be rounded to page boundary. 1745d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of memory to allocate. 1746d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address if not zero, will be set to the physical address of the 1747d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * allocated memory. 1748d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle on success will be set to a handle of the allocated memory. 1749d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1750d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1751d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1752d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1753d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ALLOC ioctl, passing the 1754d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_agp_buffer structure. 1755d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1756ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAlloc(int fd, unsigned long size, unsigned long type, 17577ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlie unsigned long *address, drm_handle_t *handle) 1758ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1759ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1760b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 1761fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1762b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane *handle = DRM_AGP_NO_HANDLE; 1763ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = size; 1764ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.type = type; 17658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) 1766ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1767ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (address != 0UL) 1768ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *address = b.physical; 1769ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann *handle = b.handle; 1770ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1771ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1772ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free a chunk of AGP memory. 1776d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1777d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1778d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1779d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1780d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1781d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1782d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1783d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the 1784d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_buffer structure. 1785d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 17867ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpFree(int fd, drm_handle_t handle) 1787ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1788ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1789ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1790fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1791ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 17928b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b)) 1793ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1794ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1795ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1796ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1797d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1798d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1799d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Bind a chunk of AGP memory. 1800d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1801d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1802d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1803d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset offset in bytes. It will round to page boundary. 1804d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1805d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1806d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1807d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1808d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the 1809d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_binding structure. 1810d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 18117ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpBind(int fd, drm_handle_t handle, unsigned long offset) 1812ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1813ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1814ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1815fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1816ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1817ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = offset; 18188b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b)) 1819ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1820ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1821ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1822ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1823d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1824d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1825d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unbind a chunk of AGP memory. 1826d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1827d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1828d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1829d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1830d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1831d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1832d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1833d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing 1834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the argument in a drm_agp_binding structure. 1835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 18367ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpUnbind(int fd, drm_handle_t handle) 1837ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1838ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1839ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1840fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1841ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 18428b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) 1843ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1844ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1845ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1846ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1847d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1848d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1849d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver major version number. 1850d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1851d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1852d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1853d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return major version number on success, or a negative value on failure.. 1854d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1855d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1856d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1857d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1858d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1859ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMajor(int fd) 1860ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1861ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1862ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1863fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1864fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 18658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1866ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1867ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_major; 1868ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1869ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1870d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1871d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1872d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver minor version number. 1873d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1874d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1875d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1876d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return minor version number on success, or a negative value on failure. 1877d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1878d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1882ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMinor(int fd) 1883ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1884ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1885ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1886fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1887fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 18888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1889ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1890ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_minor; 1891ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1892ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1893d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1894d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1895d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP mode. 1896d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1897d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1898d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1899d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return mode on success, or zero on failure. 1900d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1901d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1902d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1903d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1904d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1905ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpGetMode(int fd) 1906ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1907ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1908ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1909fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1910fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19118b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1912ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1913ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.mode; 1914ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1915ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1916d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1917d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1918d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture base. 1919d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1920d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1921d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1922d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture base on success, zero on failure. 1923d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1924d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1925d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1926d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1927d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1928ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpBase(int fd) 1929ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1930ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1931ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1932fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1933fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19348b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1935ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1936ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_base; 1937ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1938ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1939d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1940d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1941d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture size. 1942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture size on success, zero on failure. 1946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1948d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1949d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1950d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1951ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpSize(int fd) 1952ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1953ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1954ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1955fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1956fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19578b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1958ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1959ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_size; 1960ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1961ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1962d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1963d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1964d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get used AGP memory. 1965d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1966d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1967d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1968d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory used on success, or zero on failure. 1969d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1970d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1971d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1972d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1973d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1974ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryUsed(int fd) 1975ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1976ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1977ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1978fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1979fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19808b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1981ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1982ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_used; 1983ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1984ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1985d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1986d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1987d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get available AGP memory. 1988d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1989d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1990d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1991d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory available on success, or zero on failure. 1992d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1993d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1994d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1995d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1996d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1997ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryAvail(int fd) 1998ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1999ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 2000ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2001fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 2002fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20038b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2004ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2005ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_allowed; 2006ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2007ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2008d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2009d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2010d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware vendor ID. 2011d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2012d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2013d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2014d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return vendor ID on success, or zero on failure. 2015d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2016d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2017d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 2018d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 2019d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2020ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpVendorId(int fd) 2021ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 2022ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 2023ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2024fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 2025fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20268b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2027ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2028ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_vendor; 2029ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2030ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2031d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2032d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2033d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware device ID. 2034d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2035d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2036d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2037d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or zero on failure. 2038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2039d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2040d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 2041d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 2042d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2043ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpDeviceId(int fd) 2044ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 2045ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 2046ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2047fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 2048fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20498b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2050ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2051ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_device; 2052ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2053ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 20547ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle) 20555d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 20565d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 20575d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2058fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sg); 2059fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20605d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = 0; 20615d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = size; 20628b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) 2063ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 20645d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = sg.handle; 20655d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 20665d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 20675d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 20687ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherFree(int fd, drm_handle_t handle) 20695d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 20705d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 20715d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2072fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sg); 20735d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = handle; 20748b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg)) 2075ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 20765d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 20775d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 20785d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Wait for VBLANK. 2081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2083d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param vbl pointer to a drmVBlank structure. 2084d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2085d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2086d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2087d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2088d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl. 2089d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 209055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzerint drmWaitVBlank(int fd, drmVBlankPtr vbl) 209155acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer{ 2092f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes struct timespec timeout, cur; 209355acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer int ret; 209455acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2095f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = clock_gettime(CLOCK_MONOTONIC, &timeout); 2096f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes if (ret < 0) { 20971eb2860b4bd0306dddc5b2f2dc7403aa65c5e476Daniel Kurtz fprintf(stderr, "clock_gettime failed: %s\n", strerror(errno)); 2098f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes goto out; 2099f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 2100f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes timeout.tv_sec++; 2101f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes 210255acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer do { 2103f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); 2104c7d471b6ae936127311a816a8d15b4565746af48Michel Daenzer vbl->request.type &= ~DRM_VBLANK_RELATIVE; 2105ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (ret && errno == EINTR) { 2106ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes clock_gettime(CLOCK_MONOTONIC, &cur); 2107ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes /* Timeout after 1s */ 2108ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (cur.tv_sec > timeout.tv_sec + 1 || 2109ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes (cur.tv_sec == timeout.tv_sec && cur.tv_nsec >= 2110ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes timeout.tv_nsec)) { 2111ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes errno = EBUSY; 2112ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes ret = -1; 2113ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes break; 2114ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes } 2115f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 211655acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer } while (ret && errno == EINTR); 211755acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2118f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnesout: 211955acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer return ret; 212055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer} 212155acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2122b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmError(int err, const char *label) 2123b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2124b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss switch (err) { 2125ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_DEVICE: 2126ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no device\n", label); 2127ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2128ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_ACCESS: 2129ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no access\n", label); 2130ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2131ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NOT_ROOT: 2132ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: not root\n", label); 2133ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2134ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_INVALID: 2135ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: invalid args\n", label); 2136ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2137b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss default: 2138ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (err < 0) 2139ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian err = -err; 2140b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) ); 2141b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss break; 2142b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2143b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2144b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 1; 2145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2147d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2148d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Install IRQ handler. 2149d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2150d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2151d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param irq IRQ number. 2152d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2153d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2154d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2155d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2156d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2157d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2158d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2159b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlInstHandler(int fd, int irq) 2160b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2162b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2163fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctl); 2164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_INST_HANDLER; 2165b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = irq; 21668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2167ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2168b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2169b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2170b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2171d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2172d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2173d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Uninstall IRQ handler. 2174d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2175d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2176d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2177d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2178d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2179d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2180d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2181d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2182d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlUninstHandler(int fd) 2184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2186b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2187fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctl); 2188b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_UNINST_HANDLER; 2189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = 0; 21908b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2191ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFinish(int fd, int context, drmLockFlags flags) 2196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 2198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2199fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 2200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 2201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 2202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 2203b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 2204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 2205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 2206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 22078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock)) 2208ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2209b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2210b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2211b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2212d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2213d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get IRQ from bus ID. 2214d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2215d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2216d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busnum bus number. 2217d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param devnum device number. 2218d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param funcnum function number. 2219d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2220d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return IRQ number on success, or a negative value on failure. 2221d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2222d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2223d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the 2224d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_irq_busid structure. 2225d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2226b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum) 2227b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2228b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_irq_busid_t p; 2229b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2230fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(p); 2231b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.busnum = busnum; 2232b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.devnum = devnum; 2233b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.funcnum = funcnum; 22348b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) 2235ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2236b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return p.irq; 2237b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2238b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22398696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAddContextTag(int fd, drm_context_t context, void *tag) 2240b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2241b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2242b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2243b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashInsert(entry->tagTable, context, tag)) { 2244b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(entry->tagTable, context); 2245b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(entry->tagTable, context, tag); 2246b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2247b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2248b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2249b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22508696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDelContextTag(int fd, drm_context_t context) 2251b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2252b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2253b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2254b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return drmHashDelete(entry->tagTable, context); 2255b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2256b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22578696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlvoid *drmGetContextTag(int fd, drm_context_t context) 2258b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2259b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2260b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 2261360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 2262ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (drmHashLookup(entry->tagTable, context, &value)) 2263ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 2264b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2265b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return value; 2266b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2267b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 226822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddContextPrivateMapping(int fd, drm_context_t ctx_id, 226922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t handle) 227074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 227174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 227274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 2273fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 227474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 2275961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 227674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22778b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) 2278ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 227974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 228074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 228174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 228222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 228322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t *handle) 228474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 228574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 228674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 2287fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 228874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 228974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22908b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) 2291ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2292ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 2293961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 229474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 229574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 229674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 229774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22988696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size, 22998696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmMapType *type, drmMapFlags *flags, drm_handle_t *handle, 230088dbee54ed400a3fd5594fab506518c171167805Rik Faith int *mtrr) 230188dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 230288dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_map_t map; 230388dbee54ed400a3fd5594fab506518c171167805Rik Faith 2304fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 230588dbee54ed400a3fd5594fab506518c171167805Rik Faith map.offset = idx; 23068b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map)) 2307ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 230888dbee54ed400a3fd5594fab506518c171167805Rik Faith *offset = map.offset; 230988dbee54ed400a3fd5594fab506518c171167805Rik Faith *size = map.size; 231088dbee54ed400a3fd5594fab506518c171167805Rik Faith *type = map.type; 231188dbee54ed400a3fd5594fab506518c171167805Rik Faith *flags = map.flags; 231288dbee54ed400a3fd5594fab506518c171167805Rik Faith *handle = (unsigned long)map.handle; 231388dbee54ed400a3fd5594fab506518c171167805Rik Faith *mtrr = map.mtrr; 231488dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 231588dbee54ed400a3fd5594fab506518c171167805Rik Faith} 231688dbee54ed400a3fd5594fab506518c171167805Rik Faith 231788dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, 231888dbee54ed400a3fd5594fab506518c171167805Rik Faith unsigned long *magic, unsigned long *iocs) 231988dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 232088dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_client_t client; 232188dbee54ed400a3fd5594fab506518c171167805Rik Faith 2322fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(client); 232388dbee54ed400a3fd5594fab506518c171167805Rik Faith client.idx = idx; 23248b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client)) 2325ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 232688dbee54ed400a3fd5594fab506518c171167805Rik Faith *auth = client.auth; 232788dbee54ed400a3fd5594fab506518c171167805Rik Faith *pid = client.pid; 232888dbee54ed400a3fd5594fab506518c171167805Rik Faith *uid = client.uid; 232988dbee54ed400a3fd5594fab506518c171167805Rik Faith *magic = client.magic; 233088dbee54ed400a3fd5594fab506518c171167805Rik Faith *iocs = client.iocs; 233188dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 233288dbee54ed400a3fd5594fab506518c171167805Rik Faith} 233388dbee54ed400a3fd5594fab506518c171167805Rik Faith 233488dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetStats(int fd, drmStatsT *stats) 233588dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 233688dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_stats_t s; 2337de8532dd8359dfdaba839ff61fc9e2f05eaf57d3Jan Vesely unsigned i; 233888dbee54ed400a3fd5594fab506518c171167805Rik Faith 2339fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(s); 23408b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s)) 2341ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 234288dbee54ed400a3fd5594fab506518c171167805Rik Faith 234388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = 0; 234488dbee54ed400a3fd5594fab506518c171167805Rik Faith memset(stats, 0, sizeof(*stats)); 234588dbee54ed400a3fd5594fab506518c171167805Rik Faith if (s.count > sizeof(stats->data)/sizeof(stats->data[0])) 234688dbee54ed400a3fd5594fab506518c171167805Rik Faith return -1; 234788dbee54ed400a3fd5594fab506518c171167805Rik Faith 234888dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_VALUE \ 234988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 235088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%8.8s"; \ 235188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 1; \ 235288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 235388dbee54ed400a3fd5594fab506518c171167805Rik Faith 235488dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_COUNT \ 235588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 235688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 235788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 235888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "kgm"; \ 235988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1000; \ 236088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 236188dbee54ed400a3fd5594fab506518c171167805Rik Faith 236288dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_BYTE \ 236388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 236488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 236588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 236688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "KGM"; \ 236788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1024; \ 236888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 236988dbee54ed400a3fd5594fab506518c171167805Rik Faith 237088dbee54ed400a3fd5594fab506518c171167805Rik Faith 237188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = s.count; 237288dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < s.count; i++) { 237388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].value = s.data[i].value; 237488dbee54ed400a3fd5594fab506518c171167805Rik Faith switch (s.data[i].type) { 237588dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCK: 237688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Lock"; 237788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 237888dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 237988dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 238088dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_OPENS: 238188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Opens"; 238288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "O"; 238388dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 238488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 238588dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 238688dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_CLOSES: 238788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Closes"; 238888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 238988dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 239088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 239188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 239288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IOCTLS: 239388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Ioctls"; 239488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ioc/s"; 239588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 239688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 239788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCKS: 239888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Locks"; 239988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lck/s"; 240088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 240188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 240288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_UNLOCKS: 240388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Unlocks"; 240488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Unl/s"; 240588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 240688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 240788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IRQ: 240888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "IRQs"; 240988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "IRQ/s"; 241088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 241188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 241288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_PRIMARY: 241388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Primary Bytes"; 241488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "PB/s"; 241588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 241688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 241788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SECONDARY: 241888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Secondary Bytes"; 241988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "SB/s"; 242088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 242188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 242288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_DMA: 242388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "DMA"; 242488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "DMA/s"; 242588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 242688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 242788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SPECIAL: 242888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Special DMA"; 242988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "dma/s"; 243088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 243188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 243288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_MISSED: 243388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Miss"; 243488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ms/s"; 243588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 243688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 243788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_VALUE: 243888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Value"; 243988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Value"; 244088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 244188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 244288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_BYTE: 244388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Bytes"; 244488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "B/s"; 244588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 244688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 244788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_COUNT: 244888dbee54ed400a3fd5594fab506518c171167805Rik Faith default: 244988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Count"; 245088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Cnt/s"; 245188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 245288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 245388dbee54ed400a3fd5594fab506518c171167805Rik Faith } 245488dbee54ed400a3fd5594fab506518c171167805Rik Faith } 245588dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 245688dbee54ed400a3fd5594fab506518c171167805Rik Faith} 245788dbee54ed400a3fd5594fab506518c171167805Rik Faith 2458d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 245906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Issue a set-version ioctl. 246006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 246106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param fd file descriptor. 246206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param drmCommandIndex command index 246306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param data source pointer of the data to be read and written. 246406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param size size of the data to be read and written. 246506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 246606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return zero on success, or a negative value on failure. 246706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 246806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 246906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * It issues a read-write ioctl given by 247006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 247106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 247222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmSetInterfaceVersion(int fd, drmSetVersion *version) 247306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 247406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int retcode = 0; 247506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drm_set_version_t sv; 247606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 2477fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sv); 247806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = version->drm_di_major; 247906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_minor = version->drm_di_minor; 248006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = version->drm_dd_major; 248106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_minor = version->drm_dd_minor; 248206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 24838b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { 248406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt retcode = -errno; 248506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 248606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 248706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_major = sv.drm_di_major; 248806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_minor = sv.drm_di_minor; 248906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_major = sv.drm_dd_major; 249006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_minor = sv.drm_dd_minor; 249106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 249206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return retcode; 249306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 249406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 249506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 2496d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific command. 2497d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2498d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2499d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2500d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2501d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2502d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2503d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2504d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a ioctl given by 2505d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2506d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 25073903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owenint drmCommandNone(int fd, unsigned long drmCommandIndex) 25083903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25093903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25103903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25113903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex); 25123903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2513fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter if (drmIoctl(fd, request, NULL)) { 25143903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25153903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25163903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25173903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25183903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2519d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2520d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2521d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read command. 2522d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2523d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2524d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2525d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data destination pointer of the data to be read. 2526d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read. 2527d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2528d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2529d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2530d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2531d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read ioctl given by 2532d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2533d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 253422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandRead(int fd, unsigned long drmCommandIndex, void *data, 253522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25363903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25373903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25383903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 253974ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE, 254074ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25413903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25428b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 25433903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25443903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25453903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25463903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25473903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2548d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2549d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2550d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific write command. 2551d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2552d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2553d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2554d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be written. 2555d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be written. 2556d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2557d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2558d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2559d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2560d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a write ioctl given by 2561d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2562d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 256322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data, 256422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25653903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25663903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25673903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 256874ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE, 256974ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25703903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25718b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 25723903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25733903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25743903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25753903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25763903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2577d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2578d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2579d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read-write command. 2580d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2581d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2582d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2583d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be read and written. 2584d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read and written. 2585d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2586d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2587d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2588d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2589d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read-write ioctl given by 2590d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2591d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 259222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, 259322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25943903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25953903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25963903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 259774ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE, 259874ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25993903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 26008b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) 26013903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 26023903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 26033903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 2604166da9355d95affe427a6cff3525df60e80a99dfThomas Hellstrom 2605d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie#define DRM_MAX_FDS 16 2606d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic struct { 2607ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian char *BusID; 2608ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2609ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int refcount; 2610dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou int type; 2611d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} connection[DRM_MAX_FDS]; 2612d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2613d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic int nr_fds = 0; 2614d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2615d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlieint drmOpenOnce(void *unused, 2616d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie const char *BusID, 2617d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie int *newlyopened) 2618d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2619dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou return drmOpenOnceWithType(BusID, newlyopened, DRM_NODE_PRIMARY); 2620dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou} 2621dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou 2622dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhouint drmOpenOnceWithType(const char *BusID, int *newlyopened, int type) 2623dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou{ 2624ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2625ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2626d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2627ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) 2628dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou if ((strcmp(BusID, connection[i].BusID) == 0) && 2629dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou (connection[i].type == type)) { 2630ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i].refcount++; 2631ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 0; 2632ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return connection[i].fd; 2633ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2634ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian 2635dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou fd = drmOpenWithType(NULL, BusID, type); 2636c1cd3d93881a9b4a27f7190393ccc7a0236d28a4Emil Velikov if (fd < 0 || nr_fds == DRM_MAX_FDS) 2637ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2638d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2639ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].BusID = strdup(BusID); 2640ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].fd = fd; 2641ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].refcount = 1; 2642dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou connection[nr_fds].type = type; 2643ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 1; 2644d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2645ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (0) 2646ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "saved connection %d for %s %d\n", 2647ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds, connection[nr_fds].BusID, 2648ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian strcmp(BusID, connection[nr_fds].BusID)); 2649d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2650ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds++; 2651d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2652ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2653d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2654d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2655d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlievoid drmCloseOnce(int fd) 2656d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2657ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2658d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2659ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) { 2660ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd == connection[i].fd) { 2661ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (--connection[i].refcount == 0) { 2662ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmClose(connection[i].fd); 2663ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(connection[i].BusID); 2664d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2665ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (i < --nr_fds) 2666ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i] = connection[nr_fds]; 2667d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2668ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 2669ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2670ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2671ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2672d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2673731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2674731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmSetMaster(int fd) 2675731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2676fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter return drmIoctl(fd, DRM_IOCTL_SET_MASTER, NULL); 2677731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 2678731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2679731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmDropMaster(int fd) 2680731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2681fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter return drmIoctl(fd, DRM_IOCTL_DROP_MASTER, NULL); 2682731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 268322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 268422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsbergchar *drmGetDeviceNameFromFd(int fd) 268522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg{ 268622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg char name[128]; 268722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg struct stat sbuf; 268822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg dev_t d; 268922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg int i; 269022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 269122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg /* The whole drmOpen thing is a fiasco and we need to find a way 269222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * back to just using open(2). For now, however, lets just make 269322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * things worse with even more ad hoc directory walking code to 269422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * discover the device file name. */ 269522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 269622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg fstat(fd, &sbuf); 269722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg d = sbuf.st_rdev; 269822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 269922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg for (i = 0; i < DRM_MAX_MINOR; i++) { 270022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg snprintf(name, sizeof name, DRM_DEV_NAME, DRM_DIR_NAME, i); 270122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (stat(name, &sbuf) == 0 && sbuf.st_rdev == d) 270222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg break; 270322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg } 270422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (i == DRM_MAX_MINOR) 270522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg return NULL; 270622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 27070a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson return strdup(name); 270822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg} 2709cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27101f73578df32f895a678a41758f6c563f49484347Frank Binnsint drmGetNodeTypeFromFd(int fd) 27111f73578df32f895a678a41758f6c563f49484347Frank Binns{ 27121f73578df32f895a678a41758f6c563f49484347Frank Binns struct stat sbuf; 27131f73578df32f895a678a41758f6c563f49484347Frank Binns int maj, min, type; 27141f73578df32f895a678a41758f6c563f49484347Frank Binns 27151f73578df32f895a678a41758f6c563f49484347Frank Binns if (fstat(fd, &sbuf)) 27161f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 27171f73578df32f895a678a41758f6c563f49484347Frank Binns 27181f73578df32f895a678a41758f6c563f49484347Frank Binns maj = major(sbuf.st_rdev); 27191f73578df32f895a678a41758f6c563f49484347Frank Binns min = minor(sbuf.st_rdev); 27201f73578df32f895a678a41758f6c563f49484347Frank Binns 27211f73578df32f895a678a41758f6c563f49484347Frank Binns if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) { 27221f73578df32f895a678a41758f6c563f49484347Frank Binns errno = EINVAL; 27231f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 27241f73578df32f895a678a41758f6c563f49484347Frank Binns } 27251f73578df32f895a678a41758f6c563f49484347Frank Binns 27261f73578df32f895a678a41758f6c563f49484347Frank Binns type = drmGetMinorType(min); 27271f73578df32f895a678a41758f6c563f49484347Frank Binns if (type == -1) 27281f73578df32f895a678a41758f6c563f49484347Frank Binns errno = ENODEV; 27291f73578df32f895a678a41758f6c563f49484347Frank Binns return type; 27301f73578df32f895a678a41758f6c563f49484347Frank Binns} 27311f73578df32f895a678a41758f6c563f49484347Frank Binns 2732cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd) 2733cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2734cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2735cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2736cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27374bca42fc504a2051964030daaa49b5ac49bb64d3Guillaume Desmottes memclear(args); 27384bca42fc504a2051964030daaa49b5ac49bb64d3Guillaume Desmottes args.fd = -1; 2739cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.handle = handle; 2740cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.flags = flags; 2741cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); 2742cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2743cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2744cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2745cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *prime_fd = args.fd; 2746cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2747cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2748cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2749cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle) 2750cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2751cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2752cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2753cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27544bca42fc504a2051964030daaa49b5ac49bb64d3Guillaume Desmottes memclear(args); 2755cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.fd = prime_fd; 2756cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args); 2757cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2758cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2759cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2760cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *handle = args.handle; 2761cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2762cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2763cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27640ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovstatic char *drmGetMinorNameForFD(int fd, int type) 27650ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 27660ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#ifdef __linux__ 27670ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov DIR *sysdir; 27680ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov struct dirent *pent, *ent; 27690ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov struct stat sbuf; 27700ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov const char *name = drmGetMinorName(type); 27710ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov int len; 27720ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov char dev_name[64], buf[64]; 27730ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov long name_max; 27740ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov int maj, min; 27750ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27760ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (!name) 27770ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27780ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27790ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov len = strlen(name); 27800ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27810ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (fstat(fd, &sbuf)) 27820ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27830ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27840ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov maj = major(sbuf.st_rdev); 27850ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov min = minor(sbuf.st_rdev); 27860ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27870ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) 27880ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27890ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27900ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/drm", maj, min); 27910ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27920ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov sysdir = opendir(buf); 27930ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (!sysdir) 27940ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27950ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27960ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov name_max = fpathconf(dirfd(sysdir), _PC_NAME_MAX); 27970ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (name_max == -1) 27980ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov goto out_close_dir; 27990ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28000ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov pent = malloc(offsetof(struct dirent, d_name) + name_max + 1); 28010ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (pent == NULL) 28020ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov goto out_close_dir; 28030ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28040ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov while (readdir_r(sysdir, pent, &ent) == 0 && ent != NULL) { 28050ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (strncmp(ent->d_name, name, len) == 0) { 28065c42b5e36a4a02e579ec5dcdc3a95ce58538224cMathias Tillman snprintf(dev_name, sizeof(dev_name), DRM_DIR_NAME "/%s", 28075c42b5e36a4a02e579ec5dcdc3a95ce58538224cMathias Tillman ent->d_name); 28085c42b5e36a4a02e579ec5dcdc3a95ce58538224cMathias Tillman 28090ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov free(pent); 28100ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov closedir(sysdir); 28110ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28120ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return strdup(dev_name); 28130ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 28140ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 28150ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28160ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov free(pent); 28170ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28180ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovout_close_dir: 28190ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov closedir(sysdir); 28200ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#endif 28210ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 28220ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 28230ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28240ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovchar *drmGetPrimaryDeviceNameFromFd(int fd) 28250ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 28260ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return drmGetMinorNameForFD(fd, DRM_NODE_PRIMARY); 28270ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 28280ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28290ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovchar *drmGetRenderDeviceNameFromFd(int fd) 28300ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 28310ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return drmGetMinorNameForFD(fd, DRM_NODE_RENDER); 28320ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 2833