xf86drm.c revision 0e1135de5cbb783846a4f7e9ef8a5f953f7c77ae
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" 65faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov#include "libdrm.h" 66b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 6727c3785d3f12743a9e160238a4d00353060ec2f2Hasso Tepper#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) 68cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 145 69cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#endif 70cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt 71cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifdef __NetBSD__ 72cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 34 7388dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 7488dbee54ed400a3fd5594fab506518c171167805Rik Faith 75b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# ifdef __OpenBSD__ 76b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# define DRM_MAJOR 81 77b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# endif 78b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 79cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifndef DRM_MAJOR 80cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 226 /* Linux */ 8188dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 8288dbee54ed400a3fd5594fab506518c171167805Rik Faith 8322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson/* 8422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This definition needs to be changed on some systems if dev_t is a structure. 8522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * If there is a header file we can get it from, there would be best. 8622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 87569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#ifndef makedev 88569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) 89569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#endif 90569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 9156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes#define DRM_MSG_VERBOSITY 3 9256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 93fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter#define memclear(s) memset(&s, 0, sizeof(s)) 94fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 9579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic drmServerInfoPtr drm_server_info; 9679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 9779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid drmSetServerInfo(drmServerInfoPtr info) 9879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 99ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info = info; 10079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 10179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 102d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 103d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Output a message to stderr. 104d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 105d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param format printf() like format string. 106d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 107d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 108d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around vfprintf(). 109d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 11079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 11144b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Redingstatic int DRM_PRINTFLIKE(1, 0) 11244b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry RedingdrmDebugPrint(const char *format, va_list ap) 11379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 114ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return vfprintf(stderr, format, ap); 11579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 11679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 11744b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Redingtypedef int DRM_PRINTFLIKE(1, 0) (*debug_msg_func_t)(const char *format, 11844b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Reding va_list ap); 11944b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Reding 12044b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry Redingstatic debug_msg_func_t drm_debug_print = drmDebugPrint; 12179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 122c4857429c716f35e1fa054d1990cae28055d96d7Eric Anholtvoid 12356bd9c207770d41a497f3e8237a1099dd9d4cd91David DawesdrmMsg(const char *format, ...) 12456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes{ 12556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_list ap; 12656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes const char *env; 12779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) || drm_server_info) 12856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes { 12956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_start(ap, format); 13079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 13179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_server_info->debug_print(format,ap); 13279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } else { 13379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_debug_print(format, ap); 13479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 13556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_end(ap); 13656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 13756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes} 13856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 13979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid 14044b08c0ddf7ced99a5914421f18b269a1dcaafaeThierry RedingdrmSetDebugMsgFunction(debug_msg_func_t debug_msg_ptr) 14179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 142ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_debug_print = debug_msg_ptr; 14379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 14479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void *drmHashTable = NULL; /* Context switch callbacks */ 146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid *drmGetHashTable(void) 14879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 149ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return drmHashTable; 15079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 151b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 152b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid *drmMalloc(int size) 153b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 154b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *pt; 155ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((pt = malloc(size))) 156ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian memset(pt, 0, size); 157b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return pt; 158b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 159b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 160b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFree(void *pt) 161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 162ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (pt) 163ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(pt); 164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 165b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard/** 1678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard * Call ioctl, restarting if it is interupted 1688b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard */ 169731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint 17041b83a99583486ad4f8760a6537d34783769bfc3Coleman KanedrmIoctl(int fd, unsigned long request, void *arg) 1718b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard{ 1728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard int ret; 1738b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard 1748b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard do { 1758b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard ret = ioctl(fd, request, arg); 1768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); 1778b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return ret; 1788b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard} 179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic unsigned long drmGetKeyFromFd(int fd) 181b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 182fcc21069b7019a4a93e1ceacc175ccd682353861David Dawes stat_t st; 183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss st.st_rdev = 0; 185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fstat(fd, &st); 186b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return st.st_rdev; 187b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 188b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 18979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmHashEntry *drmGetEntry(int fd) 190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry; 194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 195ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drmHashTable) 196ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmHashTable = drmHashCreate(); 197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashLookup(drmHashTable, key, &value)) { 199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = drmMalloc(sizeof(*entry)); 200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = fd; 201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = drmHashCreate(); 203b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(drmHashTable, key, entry); 204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } else { 205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = value; 206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 207b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return entry; 208b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 209b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 210d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 21106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Compare two busid strings 21206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param first 21406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param second 21506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return 1 if matched. 21706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 21906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * This function compares two bus ID strings. It understands the older 22006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * PCI:b:d:f format and the newer pci:oooo:bb:dd.f format. In the format, o is 22106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * domain, b is bus, d is device, f is function. 22206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 223b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidtstatic int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok) 22406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 22506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* First, check if the IDs are exactly the same */ 22606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strcasecmp(id1, id2) == 0) 22706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 22806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 22906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Try to match old/new-style PCI bus IDs. */ 23006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strncasecmp(id1, "pci", 3) == 0) { 23190ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o1, b1, d1, f1; 23290ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o2, b2, d2, f2; 23306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int ret; 23406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 23590ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "pci:%04x:%02x:%02x.%u", &o1, &b1, &d1, &f1); 23606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 23706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o1 = 0; 23890ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "PCI:%u:%u:%u", &b1, &d1, &f1); 23906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 24006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 24206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 24390ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "pci:%04x:%02x:%02x.%u", &o2, &b2, &d2, &f2); 24406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 24506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o2 = 0; 24690ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "PCI:%u:%u:%u", &b2, &d2, &f2); 24706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 24806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 25006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 251b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* If domains aren't properly supported by the kernel interface, 252b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * just ignore them, which sucks less than picking a totally random 253b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * card with "open by name" 254b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 255b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (!pci_domain_ok) 256b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt o1 = o2 = 0; 257b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt 25806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2)) 25906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 26006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt else 26106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 26206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 26306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 26406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 26506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 26606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 267c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Handles error checking for chown call. 268c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 269c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param path to file. 270c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new owner. 271c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new group. 272c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 273c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \return zero if success or -1 if failure. 274c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 275c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \internal 276c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Checks for failure. If failure was caused by signal call chown again. 277c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * If any other failure happened then it will output error mesage using 278c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * drmMsg() call. 279c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen */ 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} 295c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 296c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen/** 297d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device, creating it if necessary. 298d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 299d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param dev major and minor numbers of the device. 300d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor minor number of the device. 301d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 302d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 303d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 304d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 305d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assembles the device name from \p minor and opens it, creating the device 306d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * special file node with the major and minor numbers specified by \p dev and 307d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parent directory if necessary and was called by root. 308d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 309de8532dd8359dfdaba839ff61fc9e2f05eaf57d3Jan Veselystatic int drmOpenDevice(dev_t dev, int minor, int type) 310b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 3119c775d0b2f303389c24aea5e8abc1473f0cf93e8David Dawes stat_t st; 3120c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns const char *dev_name; 31388dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 31488dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 31579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie mode_t devmode = DRM_DEV_MODE, serv_mode; 31688dbee54ed400a3fd5594fab506518c171167805Rik Faith int isroot = !geteuid(); 31788dbee54ed400a3fd5594fab506518c171167805Rik Faith uid_t user = DRM_DEV_UID; 31879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie gid_t group = DRM_DEV_GID, serv_group; 31979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 3200c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns switch (type) { 3210c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_PRIMARY: 3220c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_DEV_NAME; 3230c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3240c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_CONTROL: 3250c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_CONTROL_DEV_NAME; 3260c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3270c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_RENDER: 3280c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_RENDER_DEV_NAME; 3290c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 3300c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns default: 3310c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return -EINVAL; 3320c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns }; 3330c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 3340c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns sprintf(buf, dev_name, DRM_DIR_NAME, minor); 33506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenDevice: node name is %s\n", buf); 33656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 33779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 338ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info->get_perms(&serv_group, &serv_mode); 339ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode = serv_mode ? serv_mode : DRM_DEV_MODE; 340ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); 341ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian group = (serv_group >= 0) ? serv_group : DRM_DEV_GID; 34279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 343569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 3449101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#if !defined(UDEV) 34588dbee54ed400a3fd5594fab506518c171167805Rik Faith if (stat(DRM_DIR_NAME, &st)) { 346ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 347ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 348b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE); 349c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(DRM_DIR_NAME, 0, 0); /* root:root */ 350b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE); 351569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 352b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 35306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node exists and create it if necessary. */ 354d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (stat(buf, &st)) { 355ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 356ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 35788dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 35888dbee54ed400a3fd5594fab506518c171167805Rik Faith mknod(buf, S_IFCHR | devmode, dev); 359b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 36079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 36179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 362c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 363ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 36479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 3659101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#else 3669101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie /* if we modprobed then wait for udev */ 3679101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie { 3689101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie int udev_count = 0; 3699101a0205c897fea28e6a3d875111a83ad7f7732Dave Airliewait_for_udev: 3709101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(DRM_DIR_NAME, &st)) { 3719101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3729101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3739101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3749101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3759101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3769101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3779101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3789101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3799101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(buf, &st)) { 3809101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3819101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3829101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3839101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3849101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3859101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3869101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3879101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3889101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#endif 38988dbee54ed400a3fd5594fab506518c171167805Rik Faith 39056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd = open(buf, O_RDWR, 0); 39156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: open result is %d, (%s)\n", 39256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd, fd < 0 ? strerror(errno) : "OK"); 393ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 394ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 395d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 39639e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#if !defined(UDEV) 39706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node is not what we expect it to be, and recreate it 39806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * and try again if so. 39906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 400d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (st.st_rdev != dev) { 401ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 402ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 403d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt remove(buf); 404d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt mknod(buf, S_IFCHR | devmode, dev); 40579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 406c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 407ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 40879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 409d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt } 410d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd = open(buf, O_RDWR, 0); 411d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt drmMsg("drmOpenDevice: open result is %d, (%s)\n", 412d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd, fd < 0 ? strerror(errno) : "OK"); 413ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 414ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 415d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 41656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: Open failed\n"); 41788dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 41839e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#endif 41988dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 420b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 421b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 422d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 423d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 424d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device 425d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 426d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor device minor number. 427d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param create allow to create the device if set. 428d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 429d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 430d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 431d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 432d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Calls drmOpenDevice() if \p create is set, otherwise assembles the device 433d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * name from \p minor and opens it. 434d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 435731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesstatic int drmOpenMinor(int minor, int create, int type) 43688dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 43788dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 43888dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 4390c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns const char *dev_name; 440db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 441ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (create) 442731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type); 44388dbee54ed400a3fd5594fab506518c171167805Rik Faith 4440c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns switch (type) { 4450c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_PRIMARY: 4460c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_DEV_NAME; 4470c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4480c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_CONTROL: 4490c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_CONTROL_DEV_NAME; 4500c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4510c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns case DRM_NODE_RENDER: 4520c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns dev_name = DRM_RENDER_DEV_NAME; 4530c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns break; 4540c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns default: 4550c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return -EINVAL; 4560c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns }; 4570c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 4580c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns sprintf(buf, dev_name, DRM_DIR_NAME, minor); 459ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((fd = open(buf, O_RDWR, 0)) >= 0) 460ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 46188dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 46288dbee54ed400a3fd5594fab506518c171167805Rik Faith} 46388dbee54ed400a3fd5594fab506518c171167805Rik Faith 464569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 465d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 466d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine whether the DRM kernel driver has been loaded. 467d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 468d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return 1 if the DRM driver is loaded, 0 otherwise. 469d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 470d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 471d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine the presence of the kernel driver by attempting to open the 0 472d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * minor and get version information. For backward compatibility with older 473d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Linux implementations, /proc/dri is also checked. 474d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 475569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulint drmAvailable(void) 476569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul{ 477569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul drmVersionPtr version; 478569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int retval = 0; 479569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int fd; 480360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 481ad8bbfd3c74466f088be8088d2d0524bed392b71Frank Binns if ((fd = drmOpenMinor(0, 1, DRM_NODE_PRIMARY)) < 0) { 482b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#ifdef __linux__ 48322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Try proc for backward Linux compatibility */ 484ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!access("/proc/dri/0", R_OK)) 485ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 1; 486b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#endif 48788dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 488569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 48988dbee54ed400a3fd5594fab506518c171167805Rik Faith 49088dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 49188dbee54ed400a3fd5594fab506518c171167805Rik Faith retval = 1; 49288dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 49388dbee54ed400a3fd5594fab506518c171167805Rik Faith } 49488dbee54ed400a3fd5594fab506518c171167805Rik Faith close(fd); 495569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 496569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul return retval; 497569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul} 498569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 499f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmGetMinorBase(int type) 500f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou{ 501f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou switch (type) { 502f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_PRIMARY: 503f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 0; 504f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_CONTROL: 505f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 64; 506f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou case DRM_NODE_RENDER: 507f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return 128; 508f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou default: 509f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 510f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou }; 511f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou} 512d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 5131f73578df32f895a678a41758f6c563f49484347Frank Binnsstatic int drmGetMinorType(int minor) 5141f73578df32f895a678a41758f6c563f49484347Frank Binns{ 5151f73578df32f895a678a41758f6c563f49484347Frank Binns int type = minor >> 6; 5161f73578df32f895a678a41758f6c563f49484347Frank Binns 5171f73578df32f895a678a41758f6c563f49484347Frank Binns if (minor < 0) 5181f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 5191f73578df32f895a678a41758f6c563f49484347Frank Binns 5201f73578df32f895a678a41758f6c563f49484347Frank Binns switch (type) { 5211f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_PRIMARY: 5221f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_CONTROL: 5231f73578df32f895a678a41758f6c563f49484347Frank Binns case DRM_NODE_RENDER: 5241f73578df32f895a678a41758f6c563f49484347Frank Binns return type; 5251f73578df32f895a678a41758f6c563f49484347Frank Binns default: 5261f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 5271f73578df32f895a678a41758f6c563f49484347Frank Binns } 5281f73578df32f895a678a41758f6c563f49484347Frank Binns} 5291f73578df32f895a678a41758f6c563f49484347Frank Binns 5300ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovstatic const char *drmGetMinorName(int type) 5310ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 5320ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov switch (type) { 5330ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_PRIMARY: 5340ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return "card"; 5350ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_CONTROL: 5360ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return "controlD"; 5370ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov case DRM_NODE_RENDER: 5380ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return "renderD"; 5390ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov default: 5400ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 5410ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 5420ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 5430ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 544d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 545d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by bus ID. 546d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 547d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. 548f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type device node type. 549d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 550d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 551d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 552d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 553d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function attempts to open every possible minor (up to DRM_MAX_MINOR), 554d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * comparing the device bus ID with the one supplied. 555d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 556d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor() and drmGetBusid(). 557d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 558f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmOpenByBusid(const char *busid, int type) 559e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss{ 560b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt int i, pci_domain_ok = 1; 56188dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 56288dbee54ed400a3fd5594fab506518c171167805Rik Faith const char *buf; 56306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmSetVersion sv; 564f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int base = drmGetMinorBase(type); 565f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 566f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if (base < 0) 567f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 56806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 56906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenByBusid: Searching for BusID %s\n", busid); 570f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou for (i = base; i < base + DRM_MAX_MINOR; i++) { 571f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou fd = drmOpenMinor(i, 1, type); 57256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd); 57356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (fd >= 0) { 574b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* We need to try for 1.4 first for proper PCI domain support 575b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * and if that fails, we know the kernel is busted 576b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 57706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = 1; 578b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 4; 57906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = -1; /* Don't care */ 58026462b9aa47179e724e78f0b3b1c86fd07f61d8dEric Anholt sv.drm_dd_minor = -1; /* Don't care */ 581b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (drmSetInterfaceVersion(fd, &sv)) { 582b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#ifndef __alpha__ 583b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt pci_domain_ok = 0; 584b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#endif 585b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_major = 1; 586b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 1; 587b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_major = -1; /* Don't care */ 588b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_minor = -1; /* Don't care */ 589303ff26311dc5efdf28676be34d86f501699acf3Thierry Reding drmMsg("drmOpenByBusid: Interface 1.4 failed, trying 1.1\n"); 590b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt drmSetInterfaceVersion(fd, &sv); 591b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt } 592e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss buf = drmGetBusid(fd); 59356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf); 594b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (buf && drmMatchBusID(buf, busid, pci_domain_ok)) { 59588dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeBusid(buf); 59688dbee54ed400a3fd5594fab506518c171167805Rik Faith return fd; 597e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 598ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (buf) 599ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmFreeBusid(buf); 600e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss close(fd); 601e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 602e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 603e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss return -1; 604e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss} 605e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss 606d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 607d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 608d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by name. 609d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 610d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. 611f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type the device node type. 612d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 613d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 614d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 615d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 616d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function opens the first minor number that matches the driver name and 617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * isn't already in use. If it's in use it then it will already have a bus ID 618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * assigned. 619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor(), drmGetVersion() and drmGetBusid(). 621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 622f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhoustatic int drmOpenByName(const char *name, int type) 623b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss{ 62488dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 62588dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 62688dbee54ed400a3fd5594fab506518c171167805Rik Faith drmVersionPtr version; 62756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes char * id; 628f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int base = drmGetMinorBase(type); 629f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 630f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if (base < 0) 631f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return -1; 632db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 63356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes /* 63456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * Open the first minor number that matches the driver name and isn't 63556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * already in use. If it's in use it will have a busid assigned already. 63656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes */ 637f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou for (i = base; i < base + DRM_MAX_MINOR; i++) { 638f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou if ((fd = drmOpenMinor(i, 1, type)) >= 0) { 63988dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 64088dbee54ed400a3fd5594fab506518c171167805Rik Faith if (!strcmp(version->name, name)) { 64188dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 64256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes id = drmGetBusid(fd); 64356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL"); 64456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (!id || !*id) { 64522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (id) 64656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 64756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return fd; 64856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 64956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 65056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 65156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 65256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeVersion(version); 65388dbee54ed400a3fd5594fab506518c171167805Rik Faith } 65488dbee54ed400a3fd5594fab506518c171167805Rik Faith } 65556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes close(fd); 65688dbee54ed400a3fd5594fab506518c171167805Rik Faith } 657b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 658b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 65988dbee54ed400a3fd5594fab506518c171167805Rik Faith#ifdef __linux__ 66022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Backward-compatibility /proc support */ 661b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (i = 0; i < 8; i++) { 66288dbee54ed400a3fd5594fab506518c171167805Rik Faith char proc_name[64], buf[512]; 66388dbee54ed400a3fd5594fab506518c171167805Rik Faith char *driver, *pt, *devstring; 66488dbee54ed400a3fd5594fab506518c171167805Rik Faith int retcode; 66588dbee54ed400a3fd5594fab506518c171167805Rik Faith 6660371c290a12f75d36c9c1e7c947bf98fe210908bDaryll Strauss sprintf(proc_name, "/proc/dri/%d/name", i); 667b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if ((fd = open(proc_name, 0, 0)) >= 0) { 668b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss retcode = read(fd, buf, sizeof(buf)-1); 669b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss close(fd); 670b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (retcode) { 671b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss buf[retcode-1] = '\0'; 672b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (driver = pt = buf; *pt && *pt != ' '; ++pt) 673b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 67422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (*pt) { /* Device is next */ 675b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss *pt = '\0'; 676b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (!strcmp(driver, name)) { /* Match */ 677b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (devstring = ++pt; *pt && *pt != ' '; ++pt) 678b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 679b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (*pt) { /* Found busid */ 680f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenByBusid(++pt, type); 68122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson } else { /* No busid */ 682f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenDevice(strtol(devstring, NULL, 0),i, type); 683b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 684b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 685b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 686b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 687569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 688b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 68988dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 69088dbee54ed400a3fd5594fab506518c171167805Rik Faith 691b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return -1; 692b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss} 693b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 694b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 695d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 696d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device. 697d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 698d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Looks up the specified name and bus ID, and opens the device found. The 699d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * entry in /dev/dri is created if necessary and if called by root. 700d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. Not referenced if bus ID is supplied. 702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. Zero if not known. 703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 704d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 705d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 706d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 707d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 708d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * otherwise. 709d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 710b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmOpen(const char *name, const char *busid) 711b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 712f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenWithType(name, busid, DRM_NODE_PRIMARY); 713f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou} 714f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou 715f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou/** 716f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * Open the DRM device with specified type. 717f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 718f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * Looks up the specified name and bus ID, and opens the device found. The 719f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * entry in /dev/dri is created if necessary and if called by root. 720f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 721f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param name driver name. Not referenced if bus ID is supplied. 722f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param busid bus ID. Zero if not known. 723f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \param type the device node type to open, PRIMARY, CONTROL or RENDER 724f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 725f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \return a file descriptor on success, or a negative value on error. 726f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * 727f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * \internal 728f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 729f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou * otherwise. 730f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou */ 731f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhouint drmOpenWithType(const char *name, const char *busid, int type) 732f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou{ 73379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drmAvailable() && name != NULL && drm_server_info) { 734f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou /* try to load the kernel module */ 73579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drm_server_info->load_module(name)) { 736ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 73706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 73806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 73906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 74006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 74106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (busid) { 742f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou int fd = drmOpenByBusid(busid, type); 74306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (fd >= 0) 74406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return fd; 74506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 74622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 74706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (name) 748f1adc4b375a16b07f560b86a34e617984049c422Jammy Zhou return drmOpenByName(name, type); 74922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 75006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 751b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 752b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 753731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmOpenControl(int minor) 754731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 755731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenMinor(minor, 0, DRM_NODE_CONTROL); 756731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 757d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 7580c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binnsint drmOpenRender(int minor) 7590c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns{ 7600c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns return drmOpenMinor(minor, 0, DRM_NODE_RENDER); 7610c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns} 7620c5aaeef51233aec89ee1f43f03d457f278f8fa0Frank Binns 763d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 764d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the version information returned by drmGetVersion(). 765d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 766d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 767d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 768d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 769d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It frees the memory pointed by \p %v as well as all the non-null strings 770d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * pointers in it. 771d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 772b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFreeVersion(drmVersionPtr v) 773b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 774ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 775ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 7769d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 7779d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 7789d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 779b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 780b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 781b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 782d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 783d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 784d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the non-public version information returned by the kernel. 785d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 786d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 787d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 788d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 789d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to free the memory pointed by \p %v as well as all 790d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the non-null strings pointers in it. 791d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 792b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void drmFreeKernelVersion(drm_version_t *v) 793b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 794ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 795ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 7969d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 7979d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 7989d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 799b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 800b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 801b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 802d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 803d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 804d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Copy version information. 805d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 806d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param d destination pointer. 807d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param s source pointer. 808d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 809d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 810d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to translate the information returned by the ioctl 811d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * interface in a private structure into the public structure counterpart. 812d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 813569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulstatic void drmCopyVersion(drmVersionPtr d, const drm_version_t *s) 814b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 815b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_major = s->version_major; 816b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_minor = s->version_minor; 817b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_patchlevel = s->version_patchlevel; 818b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->name_len = s->name_len; 8190a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->name = strdup(s->name); 820b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->date_len = s->date_len; 8210a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->date = strdup(s->date); 822b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->desc_len = s->desc_len; 8230a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->desc = strdup(s->desc); 824b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 825b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 826b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 827d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 828d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Query the driver version information. 829d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 830d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 831d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 832d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return pointer to a drmVersion structure which should be freed with 833d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * drmFreeVersion(). 834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note Similar information is available via /proc/dri. 836d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 837d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 838d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It gets the version information via successive DRM_IOCTL_VERSION ioctls, 839d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * first with zeros to get the string lengths, and then the actually strings. 840d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It also null-terminates them since they might not be already. 841d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 842b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmVersionPtr drmGetVersion(int fd) 843b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 844b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmVersionPtr retval; 845b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_version_t *version = drmMalloc(sizeof(*version)); 846b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 84795f23cf894757d05a6b6c980062a46968dc069b1Daniel Vetter memclear(*version); 848360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 8498b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 850b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 851b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 852b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 853b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 854b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) 855b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = drmMalloc(version->name_len + 1); 856b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) 857b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = drmMalloc(version->date_len + 1); 858b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) 859b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = drmMalloc(version->desc_len + 1); 860360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 8618b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 862b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno)); 863b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 864b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 865b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 866b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 86722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* The results might not be null-terminated strings, so terminate them. */ 868b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) version->name[version->name_len] = '\0'; 869b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) version->date[version->date_len] = '\0'; 870b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) version->desc[version->desc_len] = '\0'; 871b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 872b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 873b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmCopyVersion(retval, version); 874b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 875b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 876b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 877b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8783903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get version information for the DRM user space library. 881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 882d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This version number is driver independent. 883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 884d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 885d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 886d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return version information. 887d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 888d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 889d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function allocates and fills a drm_version structure with a hard coded 890d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * version number. 891d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 8923903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens OwendrmVersionPtr drmGetLibVersion(int fd) 8933903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 8943903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen drm_version_t *version = drmMalloc(sizeof(*version)); 8953903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 8963903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen /* Version history: 89779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * NOTE THIS MUST NOT GO ABOVE VERSION 1.X due to drivers needing it 8983903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.0.x = original DRM interface with no drmGetLibVersion 8993903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * entry point and many drm<Device> extensions 9003903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.1.x = added drmCommand entry points for device extensions 9013903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * added drmGetLibVersion to identify libdrm.a version 90206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * revision 1.2.x = added drmSetInterfaceVersion 90306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * modified drmOpen to handle both busid and name 90479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * revision 1.3.x = added server + memory manager 9053903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen */ 90679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_major = 1; 90779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_minor = 3; 9083903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen version->version_patchlevel = 0; 9093903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 9103903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return (drmVersionPtr)version; 9113903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 9123903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 9135c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggsint drmGetCap(int fd, uint64_t capability, uint64_t *value) 9145c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs{ 915fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter struct drm_get_cap cap; 9165c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs int ret; 9175c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 918fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(cap); 919fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.capability = capability; 920fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 9215c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap); 9225c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs if (ret) 9235c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs return ret; 9245c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 9255c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs *value = cap.value; 9263b04c73650b5e9bbcb602fdb8cea0b16ad82d0c0Dave Airlie return 0; 9275c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs} 928d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 929ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiauint drmSetClientCap(int fd, uint64_t capability, uint64_t value) 930ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau{ 931fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter struct drm_set_client_cap cap; 932fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 933fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(cap); 934fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.capability = capability; 935fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter cap.value = value; 936ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 937ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau return drmIoctl(fd, DRM_IOCTL_SET_CLIENT_CAP, &cap); 938ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau} 939ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 940d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 941d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the bus ID information. 942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID information string as given by drmGetBusid(). 944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is just frees the memory pointed by \p busid. 947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 948b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussvoid drmFreeBusid(const char *busid) 949b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 950b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drmFree((void *)busid); 951b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 952b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 953d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 954d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 955d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get the bus ID of the device. 956d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 957d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 958d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 959d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return bus ID string. 960d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 961d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 962d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function gets the bus ID via successive DRM_IOCTL_GET_UNIQUE ioctls to 963d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * get the string length and data, passing the arguments in a drm_unique 964d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * structure. 965d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 966b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strausschar *drmGetBusid(int fd) 967b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 968b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 969b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 970fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(u); 971b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 973ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 974b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = drmMalloc(u.unique_len + 1); 9758b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 976ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 977b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique[u.unique_len] = '\0'; 97806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 979b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return u.unique; 980b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 981b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 982d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 983d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 984d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the bus ID of the device. 985d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 986d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 987d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID string. 988d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 989d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, negative on failure. 990d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 991d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 992d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_SET_UNIQUE ioctl, passing 993d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_unique structure. 994d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 995b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmSetBusid(int fd, const char *busid) 996b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 997b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 998b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 999fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(u); 1000b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = (char *)busid; 1001b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = strlen(busid); 1002b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10038b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { 100456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return -errno; 100556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 1006b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1007b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1008b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10098696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMagic(int fd, drm_magic_t * magic) 1010b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1011b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 1012b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1013fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(auth); 1014fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1015b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = 0; 10168b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) 1017ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1018b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = auth.magic; 1019b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1020b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1021b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10228696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAuthMagic(int fd, drm_magic_t magic) 1023b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1024b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 1025b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1026fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(auth); 1027b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss auth.magic = magic; 10288b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) 1029ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1030b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1031b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1032b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1033d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1034d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Specifies a range of memory that is available for mapping by a 1035d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * non-root process. 1036d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1037d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset usually the physical address. The actual meaning depends of 1039d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the \p type parameter. See below. 1040d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size of the memory in bytes. 1041d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of the memory to be mapped. 1042d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags combination of several flags to modify the function actions. 1043d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle will be set to a value that may be used as the offset 1044d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parameter for mmap(). 1045d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1046d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success or a negative value on error. 1047d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1048d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the frame buffer 1049d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the frame buffer 1050d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the frame buffer, 1051d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the frame buffer in bytes, and 1052d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_FRAME_BUFFER. 1053d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1054d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1055d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. If MTRR support is available in the 1056d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel, the frame buffer area will be set to write combining. 1057d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1058d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the MMIO register area 1059d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the MMIO register area, 1060d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the register area, 1061d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the register area bytes, and 1062d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_REGISTERS. 1063d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1064d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. 1065d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1066d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the SAREA 1067d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the SAREA, 1068d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be ignored and should be set to zero, 1069d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the desired size of the SAREA in bytes, 1070d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_SHM. 1071d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1072d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 1073d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * A shared memory area of the requested size will be created and locked in 1074d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel memory. This area may be mapped into client-space by using the handle 1075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returned. 1076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1078d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_MAP ioctl, passing 1081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_map structure. 1082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 108322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type, 108422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drmMapFlags flags, drm_handle_t *handle) 1085b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1086b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_map_t map; 1087b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1088fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 1089b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.offset = offset; 1090b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.size = size; 1091b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.type = type; 1092b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.flags = flags; 10938b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map)) 1094ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1095ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 1096961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 1097b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1098b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1099b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11008696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmRmMap(int fd, drm_handle_t handle) 110174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 110274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_map_t map; 110374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 1104fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 1105961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 110674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 11078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map)) 1108ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 110974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 111074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 111174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 1112d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1113d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Make buffers available for DMA transfers. 1114d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1115d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1116d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers. 1117d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of each buffer. 1118d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags buffer allocation flags. 1119d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param agp_offset offset in the AGP aperture 1120d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1121d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return number of buffers allocated, negative on error. 1122d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1123d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1124d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around DRM_IOCTL_ADD_BUFS ioctl. 1125d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1126d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drm_buf_desc. 1127d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1128ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAddBufs(int fd, int count, int size, drmBufDescFlags flags, 1129ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann int agp_offset) 1130b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1131b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_desc_t request; 1132360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1133fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(request); 1134b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1135b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.size = size; 1136b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.flags = flags; 1137ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann request.agp_start = agp_offset; 1138360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11398b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request)) 1140ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1141b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return request.count; 1142b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1143b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1144b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmMarkBufs(int fd, double low, double high) 1145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1147b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1148b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1149fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(info); 1150b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11518b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1152ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1153b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1154ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!info.count) 1155ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1156360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1157b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1158b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return -ENOMEM; 1159360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11608b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1162b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1163b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1165360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1166b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1167b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].low_mark = low * info.list[i].count; 1168b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].high_mark = high * info.list[i].count; 11698b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { 1170b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1171b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1172b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1173b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1174b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1175b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1176360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1177b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1178b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1180d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1181d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free buffers. 1182d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1183d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1184d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers to free. 1185d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param list list of buffers to be freed. 1186d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1187d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1188d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1189d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note This function is primarily used for debugging. 1190d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1191d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1192d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing 1193d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_buf_free structure. 1194d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFreeBufs(int fd, int count, int *list) 1196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_free_t request; 1198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1199fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(request); 1200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.list = list; 12028b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request)) 1203ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1207d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1208d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1209d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Close the device. 1210d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1211d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1212d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1213d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1214d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function closes the file descriptor. 1215d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1216b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmClose(int fd) 1217b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1218b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 1219b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 1220b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1221b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDestroy(entry->tagTable); 1222b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = 0; 1223b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 1224b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = NULL; 1225b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1226b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(drmHashTable, key); 1227b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(entry); 1228b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1229b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return close(fd); 1230b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1231b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1232d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1233d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1234d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map a region of memory. 1235d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1236d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1237d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle returned by drmAddMap(). 1238d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmAddMap(). 1239d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address will contain the user-space virtual address where the mapping 1240d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * begins. 1241d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1242d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1243d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1244d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1245d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper for mmap(). 1246d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 124722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address) 1248b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1249c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane static unsigned long pagesize_mask = 0; 1250c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1251ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd < 0) 1252ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1253c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1254c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane if (!pagesize_mask) 1255c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane pagesize_mask = getpagesize() - 1; 1256c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1257c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane size = (size + pagesize_mask) & ~pagesize_mask; 1258c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1259faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov *address = drm_mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle); 1260ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (*address == MAP_FAILED) 1261ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1262b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1263b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1264b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1265d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1266d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1267d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap mappings obtained with drmMap(). 1268d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1269d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address address as given by drmMap(). 1270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmMap(). 1271d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1272d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1273d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1274d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 127522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This function is a wrapper for munmap(). 1276d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1277b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmap(drmAddress address, drmSize size) 1278b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1279faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov return drm_munmap(address, size); 1280b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1281b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1282b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufInfoPtr drmGetBufInfo(int fd) 1283b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1284b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1285b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufInfoPtr retval; 1286b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1287b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1288fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(info); 1289b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 12908b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1291ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1292b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1293b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (info.count) { 1294b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1295b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1296360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 12978b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1298b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1299b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1300b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 130122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1302b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1303b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = info.count; 1304b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(info.count * sizeof(*retval->list)); 1305b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1306b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].count = info.list[i].count; 1307b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].size = info.list[i].size; 1308b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].low_mark = info.list[i].low_mark; 1309b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].high_mark = info.list[i].high_mark; 1310b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1311b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1312b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1313b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1314b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1315b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1316b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1317d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1318d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map all DMA buffers into client-virtual space. 1319d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1320d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1321d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1322d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a pointer to a ::drmBufMap structure. 1323d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1324d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note The client may not use these buffers until obtaining buffer indices 1325d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with drmDMA(). 1326d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1327d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1328d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function calls the DRM_IOCTL_MAP_BUFS ioctl and copies the returned 1329d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * information about the buffers in a drm_buf_map structure into the 1330d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * client-visible data structures. 1331d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1332b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufMapPtr drmMapBufs(int fd) 1333b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1334b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_map_t bufs; 1335b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufMapPtr retval; 1336b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1337360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1338fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(bufs); 13398b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) 1340ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1341b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1342ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!bufs.count) 1343ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 13448696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1345b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list)))) 1346b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1347b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 13488b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { 1349b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(bufs.list); 1350b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1351b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 135222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1353b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1354b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = bufs.count; 1355b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(bufs.count * sizeof(*retval->list)); 1356b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs.count; i++) { 1357b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].idx = bufs.list[i].idx; 1358b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].total = bufs.list[i].total; 1359b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].used = 0; 1360b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].address = bufs.list[i].address; 1361b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 13628696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 13638696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs.list); 13648696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1365b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1366b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1367b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1368d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1369d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1370d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap buffers allocated with drmMapBufs(). 1371d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1372d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or negative value on failure. 1373d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1374d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 13758696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * Calls munmap() for every buffer stored in \p bufs and frees the 13768696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * memory allocated by drmMapBufs(). 1377d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1378b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmapBufs(drmBufMapPtr bufs) 1379b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1380b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1381360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1382b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs->count; i++) { 1383faf51d5694e3f0ec12c7fa1fd2f87fc96a300fe3Emil Velikov drm_munmap(bufs->list[i].address, bufs->list[i].total); 1384b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 13858696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 13868696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs->list); 13878696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs); 13888696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1389b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1390b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1391b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1392d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1393360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes#define DRM_DMA_RETRY 16 1394360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1395d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1396d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Reserve DMA buffers. 1397d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1398d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1399d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param request 1400d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1401d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1402d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1403d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1404d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assemble the arguments into a drm_dma structure and keeps issuing the 1405d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * DRM_IOCTL_DMA ioctl until success or until maximum number of retries. 1406d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1407b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmDMA(int fd, drmDMAReqPtr request) 1408b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1409b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_dma_t dma; 1410360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes int ret, i = 0; 1411b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1412b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.context = request->context; 1413b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_count = request->send_count; 1414b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_indices = request->send_list; 1415b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_sizes = request->send_sizes; 1416b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.flags = request->flags; 1417b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_count = request->request_count; 1418b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_size = request->request_size; 1419b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_indices = request->request_list; 1420b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_sizes = request->request_sizes; 14218696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl dma.granted_count = 0; 1422360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1423360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes do { 1424360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes ret = ioctl( fd, DRM_IOCTL_DMA, &dma ); 1425360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY ); 1426360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1427360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes if ( ret == 0 ) { 1428360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes request->granted_count = dma.granted_count; 1429360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return 0; 1430360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } else { 1431360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return -errno; 1432360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } 1433b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1434b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1435d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1436d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1437d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Obtain heavyweight hardware lock. 1438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1439d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1440d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1441d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags flags that determine the sate of the hardware when the function 1442d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returns. 1443d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1444d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return always zero. 1445d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1446d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1447d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function translates the arguments into a drm_lock structure and issue 1448d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired. 1449d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 14508696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetLock(int fd, drm_context_t context, drmLockFlags flags) 1451b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1452b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1453b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1454fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 1455b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1456b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 1457b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 1458b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 1459b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 1460b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 1461b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 1462b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 1463360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 14648b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock)) 1465b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ; 1466b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1467b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1468b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1469d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1470d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the hardware lock. 1471d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1472d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1473d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1474d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1475d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1476d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1477d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1478d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the 1479d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_lock structure. 1480d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 14818696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmUnlock(int fd, drm_context_t context) 1482b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1483b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1484b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1485fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 1486b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 14878b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock); 1488b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1489b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 149022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksondrm_context_t *drmGetReservedContextList(int fd, int *count) 1491b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1492b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_res_t res; 1493b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t *list; 14948696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drm_context_t * retval; 1495b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1496b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1497fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(res); 14988b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1499ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1500b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1501ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!res.count) 1502ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1503b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1504ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!(list = drmMalloc(res.count * sizeof(*list)))) 1505ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1506b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(retval = drmMalloc(res.count * sizeof(*retval)))) { 1507b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1508b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1509b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1510b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1511b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = list; 15128b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1513ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1514b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1515ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < res.count; i++) 1516ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian retval[i] = list[i].handle; 1517b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1518b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1519b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *count = res.count; 1520b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1521b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1522b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 152322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonvoid drmFreeReservedContextList(drm_context_t *pt) 1524b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1525b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(pt); 1526b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1527b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1528d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1529d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Create context. 1530d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1531d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by the X server during GLXContext initialization. This causes 1532d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * per-context kernel-level resources to be allocated. 1533d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1534d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1535d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle is set on success. To be used by the client when requesting DMA 1536d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * dispatch with drmDMA(). 1537d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1538d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1539d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1540d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1541d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1542d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1543d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the 1544d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1545d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 154622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateContext(int fd, drm_context_t *handle) 1547b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1548b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1549b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1550fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 15518b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) 1552ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1553b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = ctx.handle; 1554b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1555b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1556b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15578696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSwitchToContext(int fd, drm_context_t context) 1558b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1559b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1560b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1561fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1562b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 15638b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) 1564ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1565b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1566b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1567b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15688696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags) 1569b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1570b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1571b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 157222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* 157322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * Context preserving means that no context switches are done between DMA 157422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * buffers from one context and the next. This is suitable for use in the 157522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * X server (which promises to maintain hardware context), or in the 157622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * client-side library when buffers are swapped on behalf of two threads. 157722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 1578fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1579b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 1580ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_PRESERVED) 1581ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_PRESERVED; 1582ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_2DONLY) 1583ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_2DONLY; 15848b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) 1585ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1586b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1587b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1588b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 158922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextFlags(int fd, drm_context_t context, 159022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_context_tFlagsPtr flags) 1591b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1592b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1593b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1594fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1595b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 15968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx)) 1597ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1598b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *flags = 0; 1599ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_PRESERVED) 1600ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_PRESERVED; 1601ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_2DONLY) 1602ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_2DONLY; 1603b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1604b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1605360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1606d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1607d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Destroy context. 1608d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1609d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free any kernel-level resources allocated with drmCreateContext() associated 1610d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with the context. 1611d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1612d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1613d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle given by drmCreateContext(). 1614d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1615d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1616d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the 1621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16238696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyContext(int fd, drm_context_t handle) 1624b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1625b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1626fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1627fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctx); 1628b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = handle; 16298b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx)) 1630ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1631b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1632b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1633b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 163422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateDrawable(int fd, drm_drawable_t *handle) 1635b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1636b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1637fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1638fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(draw); 16398b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) 1640ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1641b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = draw.handle; 1642b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1643b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1644b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 16458696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyDrawable(int fd, drm_drawable_t handle) 1646b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1647b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1648fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 1649fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(draw); 1650b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss draw.handle = handle; 16518b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw)) 1652ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1653b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1654b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1655b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 16569810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzerint drmUpdateDrawableInfo(int fd, drm_drawable_t handle, 16579810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_drawable_info_type_t type, unsigned int num, 16589810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer void *data) 16599810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer{ 16609810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_update_draw_t update; 16619810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1662fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(update); 16639810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.handle = handle; 16649810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.type = type; 16659810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.num = num; 16669810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.data = (unsigned long long)(unsigned long)data; 16679810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 16688b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) 1669ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 16709810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 16719810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer return 0; 16729810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer} 16739810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1674d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1675d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Acquire the AGP device. 1676d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1677d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Must be called before any of the other AGP related calls. 1678d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1679d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1680d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1681d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1682d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1683d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1684d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl. 1685d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1686ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAcquire(int fd) 1687ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 16888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) 1689ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1690ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1691ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1692ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1693d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1694d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1695d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the AGP device. 1696d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1697d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1698d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1699d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1700d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl. 1703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1704ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpRelease(int fd) 1705ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 17068b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) 1707ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1708ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1709ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1710ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1711d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1712d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1713d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the AGP mode. 1714d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1715d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1716d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param mode AGP mode. 1717d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1718d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1719d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1720d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1721d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the 1722d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_mode structure. 1723d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1724ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpEnable(int fd, unsigned long mode) 1725ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1726ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_mode_t m; 1727ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1728fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(mode); 1729ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann m.mode = mode; 17308b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) 1731ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1732ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1733ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1734ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1735d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1736d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1737d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Allocate a chunk of AGP memory. 1738d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1739d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1740d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size requested memory size in bytes. Will be rounded to page boundary. 1741d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of memory to allocate. 1742d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address if not zero, will be set to the physical address of the 1743d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * allocated memory. 1744d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle on success will be set to a handle of the allocated memory. 1745d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1746d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1747d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1748d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1749d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ALLOC ioctl, passing the 1750d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_agp_buffer structure. 1751d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1752ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAlloc(int fd, unsigned long size, unsigned long type, 17537ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlie unsigned long *address, drm_handle_t *handle) 1754ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1755ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1756b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 1757fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1758b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane *handle = DRM_AGP_NO_HANDLE; 1759ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = size; 1760ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.type = type; 17618b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) 1762ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1763ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (address != 0UL) 1764ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *address = b.physical; 1765ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann *handle = b.handle; 1766ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1767ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1768ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1769d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1770d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1771d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free a chunk of AGP memory. 1772d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1776d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1777d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1778d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1779d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the 1780d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_buffer structure. 1781d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 17827ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpFree(int fd, drm_handle_t handle) 1783ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1784ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1785ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1786fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1787ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 17888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b)) 1789ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1790ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1791ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1792ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1793d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1794d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1795d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Bind a chunk of AGP memory. 1796d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1797d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1798d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1799d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset offset in bytes. It will round to page boundary. 1800d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1801d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1802d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1803d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1804d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the 1805d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_binding structure. 1806d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 18077ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpBind(int fd, drm_handle_t handle, unsigned long offset) 1808ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1809ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1810ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1811fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1812ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1813ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = offset; 18148b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b)) 1815ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1816ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1817ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1818ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1819d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1820d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1821d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unbind a chunk of AGP memory. 1822d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1823d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1824d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1825d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1826d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1827d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1828d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1829d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing 1830d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the argument in a drm_agp_binding structure. 1831d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 18327ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpUnbind(int fd, drm_handle_t handle) 1833ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1834ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1835ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1836fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(b); 1837ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 18388b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) 1839ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1840ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1841ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1842ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1843d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1844d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1845d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver major version number. 1846d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1847d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1848d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1849d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return major version number on success, or a negative value on failure.. 1850d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1851d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1852d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1853d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1854d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1855ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMajor(int fd) 1856ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1857ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1858ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1859fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1860fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 18618b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1862ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1863ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_major; 1864ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1865ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1866d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1867d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1868d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver minor version number. 1869d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1870d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1871d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1872d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return minor version number on success, or a negative value on failure. 1873d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1874d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1875d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1876d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1877d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1878ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMinor(int fd) 1879ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1880ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1881ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1882fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1883fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 18848b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1885ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1886ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_minor; 1887ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1888ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1889d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1890d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1891d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP mode. 1892d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1893d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1894d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1895d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return mode on success, or zero on failure. 1896d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1897d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1898d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1899d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1900d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1901ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpGetMode(int fd) 1902ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1903ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1904ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1905fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1906fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1908ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1909ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.mode; 1910ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1911ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1912d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1913d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1914d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture base. 1915d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1916d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1917d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1918d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture base on success, zero on failure. 1919d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1920d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1921d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1922d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1923d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1924ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpBase(int fd) 1925ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1926ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1927ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1928fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1929fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19308b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1931ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1932ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_base; 1933ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1934ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1935d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1936d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1937d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture size. 1938d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1939d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1940d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1941d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture size on success, zero on failure. 1942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1947ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpSize(int fd) 1948ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1949ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1950ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1951fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1952fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19538b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1954ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1955ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_size; 1956ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1957ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1958d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1959d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1960d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get used AGP memory. 1961d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1962d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1963d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1964d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory used on success, or zero on failure. 1965d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1966d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1967d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1968d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1969d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1970ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryUsed(int fd) 1971ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1972ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1973ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1974fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1975fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1977ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1978ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_used; 1979ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1980ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1981d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1982d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1983d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get available AGP memory. 1984d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1985d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1986d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1987d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory available on success, or zero on failure. 1988d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1989d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1990d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1991d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1992d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1993ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryAvail(int fd) 1994ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1995ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1996ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1997fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 1998fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 19998b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2000ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2001ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_allowed; 2002ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2003ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2004d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2005d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2006d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware vendor ID. 2007d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2008d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2009d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2010d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return vendor ID on success, or zero on failure. 2011d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2012d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2013d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 2014d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 2015d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2016ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpVendorId(int fd) 2017ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 2018ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 2019ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2020fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 2021fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20228b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2023ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2024ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_vendor; 2025ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2026ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2027d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2028d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2029d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware device ID. 2030d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2031d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2032d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2033d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or zero on failure. 2034d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2035d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2036d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 2037d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 2038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2039ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpDeviceId(int fd) 2040ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 2041ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 2042ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 2043fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(i); 2044fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20458b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 2046ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 2047ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_device; 2048ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 2049ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 20507ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle) 20515d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 20525d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 20535d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2054fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sg); 2055fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter 20565d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = 0; 20575d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = size; 20588b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) 2059ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 20605d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = sg.handle; 20615d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 20625d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 20635d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 20647ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherFree(int fd, drm_handle_t handle) 20655d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 20665d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 20675d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2068fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sg); 20695d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = handle; 20708b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg)) 2071ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 20725d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 20735d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 20745d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 2075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Wait for VBLANK. 2077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2078d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param vbl pointer to a drmVBlank structure. 2080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2083d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2084d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl. 2085d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 208655acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzerint drmWaitVBlank(int fd, drmVBlankPtr vbl) 208755acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer{ 2088f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes struct timespec timeout, cur; 208955acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer int ret; 209055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2091f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = clock_gettime(CLOCK_MONOTONIC, &timeout); 2092f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes if (ret < 0) { 20931eb2860b4bd0306dddc5b2f2dc7403aa65c5e476Daniel Kurtz fprintf(stderr, "clock_gettime failed: %s\n", strerror(errno)); 2094f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes goto out; 2095f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 2096f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes timeout.tv_sec++; 2097f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes 209855acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer do { 2099f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); 2100c7d471b6ae936127311a816a8d15b4565746af48Michel Daenzer vbl->request.type &= ~DRM_VBLANK_RELATIVE; 2101ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (ret && errno == EINTR) { 2102ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes clock_gettime(CLOCK_MONOTONIC, &cur); 2103ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes /* Timeout after 1s */ 2104ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (cur.tv_sec > timeout.tv_sec + 1 || 2105ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes (cur.tv_sec == timeout.tv_sec && cur.tv_nsec >= 2106ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes timeout.tv_nsec)) { 2107ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes errno = EBUSY; 2108ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes ret = -1; 2109ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes break; 2110ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes } 2111f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 211255acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer } while (ret && errno == EINTR); 211355acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2114f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnesout: 211555acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer return ret; 211655acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer} 211755acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 2118b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmError(int err, const char *label) 2119b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2120b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss switch (err) { 2121ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_DEVICE: 2122ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no device\n", label); 2123ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2124ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_ACCESS: 2125ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no access\n", label); 2126ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2127ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NOT_ROOT: 2128ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: not root\n", label); 2129ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2130ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_INVALID: 2131ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: invalid args\n", label); 2132ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 2133b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss default: 2134ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (err < 0) 2135ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian err = -err; 2136b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) ); 2137b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss break; 2138b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2139b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2140b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 1; 2141b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2142b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2143d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2144d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Install IRQ handler. 2145d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2146d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2147d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param irq IRQ number. 2148d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2149d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2150d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2151d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2152d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2153d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2154d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2155b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlInstHandler(int fd, int irq) 2156b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2157b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2158b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2159fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctl); 2160b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_INST_HANDLER; 2161b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = irq; 21628b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2163ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2165b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2166b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2167d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2168d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2169d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Uninstall IRQ handler. 2170d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2171d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2172d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2173d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2174d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2175d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2176d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2177d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2178d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlUninstHandler(int fd) 2180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2181b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2182b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2183fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(ctl); 2184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_UNINST_HANDLER; 2185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = 0; 21868b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2187ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2188b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFinish(int fd, int context, drmLockFlags flags) 2192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 2194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2195fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(lock); 2196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 2197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 2198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 2199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 2200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 2201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 2202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 22038b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock)) 2204ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2207b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2208d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2209d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get IRQ from bus ID. 2210d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2211d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2212d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busnum bus number. 2213d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param devnum device number. 2214d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param funcnum function number. 2215d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2216d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return IRQ number on success, or a negative value on failure. 2217d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2218d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2219d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the 2220d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_irq_busid structure. 2221d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2222b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum) 2223b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2224b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_irq_busid_t p; 2225b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2226fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(p); 2227b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.busnum = busnum; 2228b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.devnum = devnum; 2229b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.funcnum = funcnum; 22308b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) 2231ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2232b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return p.irq; 2233b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2234b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22358696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAddContextTag(int fd, drm_context_t context, void *tag) 2236b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2237b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2238b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2239b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashInsert(entry->tagTable, context, tag)) { 2240b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(entry->tagTable, context); 2241b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(entry->tagTable, context, tag); 2242b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2243b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2244b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2245b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22468696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDelContextTag(int fd, drm_context_t context) 2247b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2248b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2249b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2250b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return drmHashDelete(entry->tagTable, context); 2251b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2252b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 22538696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlvoid *drmGetContextTag(int fd, drm_context_t context) 2254b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2255b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2256b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 2257360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 2258ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (drmHashLookup(entry->tagTable, context, &value)) 2259ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 2260b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2261b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return value; 2262b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2263b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 226422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddContextPrivateMapping(int fd, drm_context_t ctx_id, 226522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t handle) 226674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 226774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 226874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 2269fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 227074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 2271961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 227274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22738b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) 2274ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 227574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 227674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 227774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 227822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 227922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t *handle) 228074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 228174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 228274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 2283fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 228474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 228574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22868b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) 2287ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2288ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 2289961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 229074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 229174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 229274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 229374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 22948696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size, 22958696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmMapType *type, drmMapFlags *flags, drm_handle_t *handle, 229688dbee54ed400a3fd5594fab506518c171167805Rik Faith int *mtrr) 229788dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 229888dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_map_t map; 229988dbee54ed400a3fd5594fab506518c171167805Rik Faith 2300fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(map); 230188dbee54ed400a3fd5594fab506518c171167805Rik Faith map.offset = idx; 23028b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map)) 2303ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 230488dbee54ed400a3fd5594fab506518c171167805Rik Faith *offset = map.offset; 230588dbee54ed400a3fd5594fab506518c171167805Rik Faith *size = map.size; 230688dbee54ed400a3fd5594fab506518c171167805Rik Faith *type = map.type; 230788dbee54ed400a3fd5594fab506518c171167805Rik Faith *flags = map.flags; 230888dbee54ed400a3fd5594fab506518c171167805Rik Faith *handle = (unsigned long)map.handle; 230988dbee54ed400a3fd5594fab506518c171167805Rik Faith *mtrr = map.mtrr; 231088dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 231188dbee54ed400a3fd5594fab506518c171167805Rik Faith} 231288dbee54ed400a3fd5594fab506518c171167805Rik Faith 231388dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, 231488dbee54ed400a3fd5594fab506518c171167805Rik Faith unsigned long *magic, unsigned long *iocs) 231588dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 231688dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_client_t client; 231788dbee54ed400a3fd5594fab506518c171167805Rik Faith 2318fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(client); 231988dbee54ed400a3fd5594fab506518c171167805Rik Faith client.idx = idx; 23208b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client)) 2321ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 232288dbee54ed400a3fd5594fab506518c171167805Rik Faith *auth = client.auth; 232388dbee54ed400a3fd5594fab506518c171167805Rik Faith *pid = client.pid; 232488dbee54ed400a3fd5594fab506518c171167805Rik Faith *uid = client.uid; 232588dbee54ed400a3fd5594fab506518c171167805Rik Faith *magic = client.magic; 232688dbee54ed400a3fd5594fab506518c171167805Rik Faith *iocs = client.iocs; 232788dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 232888dbee54ed400a3fd5594fab506518c171167805Rik Faith} 232988dbee54ed400a3fd5594fab506518c171167805Rik Faith 233088dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetStats(int fd, drmStatsT *stats) 233188dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 233288dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_stats_t s; 2333de8532dd8359dfdaba839ff61fc9e2f05eaf57d3Jan Vesely unsigned i; 233488dbee54ed400a3fd5594fab506518c171167805Rik Faith 2335fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(s); 23368b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s)) 2337ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 233888dbee54ed400a3fd5594fab506518c171167805Rik Faith 233988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = 0; 234088dbee54ed400a3fd5594fab506518c171167805Rik Faith memset(stats, 0, sizeof(*stats)); 234188dbee54ed400a3fd5594fab506518c171167805Rik Faith if (s.count > sizeof(stats->data)/sizeof(stats->data[0])) 234288dbee54ed400a3fd5594fab506518c171167805Rik Faith return -1; 234388dbee54ed400a3fd5594fab506518c171167805Rik Faith 234488dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_VALUE \ 234588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 234688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%8.8s"; \ 234788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 1; \ 234888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 234988dbee54ed400a3fd5594fab506518c171167805Rik Faith 235088dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_COUNT \ 235188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 235288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 235388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 235488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "kgm"; \ 235588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1000; \ 235688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 235788dbee54ed400a3fd5594fab506518c171167805Rik Faith 235888dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_BYTE \ 235988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 236088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 236188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 236288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "KGM"; \ 236388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1024; \ 236488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 236588dbee54ed400a3fd5594fab506518c171167805Rik Faith 236688dbee54ed400a3fd5594fab506518c171167805Rik Faith 236788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = s.count; 236888dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < s.count; i++) { 236988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].value = s.data[i].value; 237088dbee54ed400a3fd5594fab506518c171167805Rik Faith switch (s.data[i].type) { 237188dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCK: 237288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Lock"; 237388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 237488dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 237588dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 237688dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_OPENS: 237788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Opens"; 237888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "O"; 237988dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 238088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 238188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 238288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_CLOSES: 238388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Closes"; 238488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 238588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 238688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 238788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 238888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IOCTLS: 238988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Ioctls"; 239088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ioc/s"; 239188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 239288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 239388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCKS: 239488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Locks"; 239588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lck/s"; 239688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 239788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 239888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_UNLOCKS: 239988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Unlocks"; 240088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Unl/s"; 240188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 240288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 240388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IRQ: 240488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "IRQs"; 240588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "IRQ/s"; 240688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 240788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 240888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_PRIMARY: 240988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Primary Bytes"; 241088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "PB/s"; 241188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 241288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 241388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SECONDARY: 241488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Secondary Bytes"; 241588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "SB/s"; 241688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 241788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 241888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_DMA: 241988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "DMA"; 242088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "DMA/s"; 242188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 242288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 242388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SPECIAL: 242488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Special DMA"; 242588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "dma/s"; 242688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 242788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 242888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_MISSED: 242988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Miss"; 243088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ms/s"; 243188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 243288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 243388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_VALUE: 243488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Value"; 243588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Value"; 243688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 243788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 243888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_BYTE: 243988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Bytes"; 244088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "B/s"; 244188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 244288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 244388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_COUNT: 244488dbee54ed400a3fd5594fab506518c171167805Rik Faith default: 244588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Count"; 244688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Cnt/s"; 244788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 244888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 244988dbee54ed400a3fd5594fab506518c171167805Rik Faith } 245088dbee54ed400a3fd5594fab506518c171167805Rik Faith } 245188dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 245288dbee54ed400a3fd5594fab506518c171167805Rik Faith} 245388dbee54ed400a3fd5594fab506518c171167805Rik Faith 2454d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 245506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Issue a set-version ioctl. 245606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 245706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param fd file descriptor. 245806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param drmCommandIndex command index 245906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param data source pointer of the data to be read and written. 246006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param size size of the data to be read and written. 246106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 246206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return zero on success, or a negative value on failure. 246306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 246406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 246506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * It issues a read-write ioctl given by 246606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 246706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 246822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmSetInterfaceVersion(int fd, drmSetVersion *version) 246906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 247006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int retcode = 0; 247106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drm_set_version_t sv; 247206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 2473fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter memclear(sv); 247406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = version->drm_di_major; 247506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_minor = version->drm_di_minor; 247606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = version->drm_dd_major; 247706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_minor = version->drm_dd_minor; 247806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 24798b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { 248006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt retcode = -errno; 248106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 248206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 248306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_major = sv.drm_di_major; 248406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_minor = sv.drm_di_minor; 248506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_major = sv.drm_dd_major; 248606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_minor = sv.drm_dd_minor; 248706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 248806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return retcode; 248906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 249006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 249106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 2492d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific command. 2493d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2494d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2495d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2496d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2497d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2498d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2499d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2500d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a ioctl given by 2501d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2502d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 25033903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owenint drmCommandNone(int fd, unsigned long drmCommandIndex) 25043903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25053903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25063903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25073903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex); 25083903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2509fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter if (drmIoctl(fd, request, NULL)) { 25103903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25113903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25123903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25133903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25143903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2515d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2516d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2517d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read command. 2518d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2519d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2520d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2521d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data destination pointer of the data to be read. 2522d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read. 2523d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2524d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2525d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2526d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2527d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read ioctl given by 2528d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2529d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 253022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandRead(int fd, unsigned long drmCommandIndex, void *data, 253122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25323903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25333903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25343903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 253574ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE, 253674ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25373903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25388b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 25393903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25403903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25413903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25423903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25433903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2544d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2545d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2546d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific write command. 2547d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2548d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2549d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2550d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be written. 2551d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be written. 2552d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2553d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2554d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2555d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2556d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a write ioctl given by 2557d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2558d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 255922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data, 256022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25613903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25623903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25633903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 256474ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE, 256574ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25663903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 25683903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25693903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 25703903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25713903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 25723903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2573d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2574d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2575d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read-write command. 2576d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2577d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2578d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2579d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be read and written. 2580d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read and written. 2581d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2582d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2583d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2584d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2585d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read-write ioctl given by 2586d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2587d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 258822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, 258922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 25903903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 25913903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 25923903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 259374ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE, 259474ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 25953903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 25968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) 25973903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 25983903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 25993903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 2600166da9355d95affe427a6cff3525df60e80a99dfThomas Hellstrom 2601d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie#define DRM_MAX_FDS 16 2602d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic struct { 2603ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian char *BusID; 2604ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2605ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int refcount; 2606dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou int type; 2607d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} connection[DRM_MAX_FDS]; 2608d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2609d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic int nr_fds = 0; 2610d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2611d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlieint drmOpenOnce(void *unused, 2612d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie const char *BusID, 2613d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie int *newlyopened) 2614d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2615dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou return drmOpenOnceWithType(BusID, newlyopened, DRM_NODE_PRIMARY); 2616dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou} 2617dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou 2618dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhouint drmOpenOnceWithType(const char *BusID, int *newlyopened, int type) 2619dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou{ 2620ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2621ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2622d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2623ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) 2624dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou if ((strcmp(BusID, connection[i].BusID) == 0) && 2625dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou (connection[i].type == type)) { 2626ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i].refcount++; 2627ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 0; 2628ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return connection[i].fd; 2629ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2630ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian 2631dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou fd = drmOpenWithType(NULL, BusID, type); 2632ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd <= 0 || nr_fds == DRM_MAX_FDS) 2633ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2634d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2635ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].BusID = strdup(BusID); 2636ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].fd = fd; 2637ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].refcount = 1; 2638dbc8b11db6f3fcbe2a76487bb0b1930908226a17Jammy Zhou connection[nr_fds].type = type; 2639ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 1; 2640d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2641ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (0) 2642ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "saved connection %d for %s %d\n", 2643ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds, connection[nr_fds].BusID, 2644ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian strcmp(BusID, connection[nr_fds].BusID)); 2645d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2646ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds++; 2647d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2648ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2649d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2650d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2651d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlievoid drmCloseOnce(int fd) 2652d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2653ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2654d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2655ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) { 2656ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd == connection[i].fd) { 2657ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (--connection[i].refcount == 0) { 2658ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmClose(connection[i].fd); 2659ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(connection[i].BusID); 2660d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2661ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (i < --nr_fds) 2662ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i] = connection[nr_fds]; 2663d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2664ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 2665ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2666ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2667ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2668d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2669731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2670731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmSetMaster(int fd) 2671731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2672fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter return drmIoctl(fd, DRM_IOCTL_SET_MASTER, NULL); 2673731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 2674731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2675731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmDropMaster(int fd) 2676731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2677fd38794344f7211f45cc213344d0f5b9f9f98dd8Daniel Vetter return drmIoctl(fd, DRM_IOCTL_DROP_MASTER, NULL); 2678731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 267922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 268022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsbergchar *drmGetDeviceNameFromFd(int fd) 268122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg{ 268222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg char name[128]; 268322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg struct stat sbuf; 268422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg dev_t d; 268522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg int i; 268622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 268722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg /* The whole drmOpen thing is a fiasco and we need to find a way 268822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * back to just using open(2). For now, however, lets just make 268922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * things worse with even more ad hoc directory walking code to 269022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * discover the device file name. */ 269122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 269222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg fstat(fd, &sbuf); 269322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg d = sbuf.st_rdev; 269422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 269522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg for (i = 0; i < DRM_MAX_MINOR; i++) { 269622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg snprintf(name, sizeof name, DRM_DEV_NAME, DRM_DIR_NAME, i); 269722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (stat(name, &sbuf) == 0 && sbuf.st_rdev == d) 269822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg break; 269922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg } 270022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (i == DRM_MAX_MINOR) 270122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg return NULL; 270222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 27030a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson return strdup(name); 270422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg} 2705cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27061f73578df32f895a678a41758f6c563f49484347Frank Binnsint drmGetNodeTypeFromFd(int fd) 27071f73578df32f895a678a41758f6c563f49484347Frank Binns{ 27081f73578df32f895a678a41758f6c563f49484347Frank Binns struct stat sbuf; 27091f73578df32f895a678a41758f6c563f49484347Frank Binns int maj, min, type; 27101f73578df32f895a678a41758f6c563f49484347Frank Binns 27111f73578df32f895a678a41758f6c563f49484347Frank Binns if (fstat(fd, &sbuf)) 27121f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 27131f73578df32f895a678a41758f6c563f49484347Frank Binns 27141f73578df32f895a678a41758f6c563f49484347Frank Binns maj = major(sbuf.st_rdev); 27151f73578df32f895a678a41758f6c563f49484347Frank Binns min = minor(sbuf.st_rdev); 27161f73578df32f895a678a41758f6c563f49484347Frank Binns 27171f73578df32f895a678a41758f6c563f49484347Frank Binns if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) { 27181f73578df32f895a678a41758f6c563f49484347Frank Binns errno = EINVAL; 27191f73578df32f895a678a41758f6c563f49484347Frank Binns return -1; 27201f73578df32f895a678a41758f6c563f49484347Frank Binns } 27211f73578df32f895a678a41758f6c563f49484347Frank Binns 27221f73578df32f895a678a41758f6c563f49484347Frank Binns type = drmGetMinorType(min); 27231f73578df32f895a678a41758f6c563f49484347Frank Binns if (type == -1) 27241f73578df32f895a678a41758f6c563f49484347Frank Binns errno = ENODEV; 27251f73578df32f895a678a41758f6c563f49484347Frank Binns return type; 27261f73578df32f895a678a41758f6c563f49484347Frank Binns} 27271f73578df32f895a678a41758f6c563f49484347Frank Binns 2728cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd) 2729cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2730cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2731cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2732cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2733cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.handle = handle; 2734cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.flags = flags; 2735cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); 2736cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2737cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2738cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2739cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *prime_fd = args.fd; 2740cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2741cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2742cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2743cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle) 2744cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2745cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2746cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2747cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2748cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.fd = prime_fd; 2749cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.flags = 0; 2750cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args); 2751cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2752cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2753cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2754cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *handle = args.handle; 2755cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2756cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2757cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 27580ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovstatic char *drmGetMinorNameForFD(int fd, int type) 27590ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 27600ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#ifdef __linux__ 27610ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov DIR *sysdir; 27620ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov struct dirent *pent, *ent; 27630ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov struct stat sbuf; 27640ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov const char *name = drmGetMinorName(type); 27650ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov int len; 27660ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov char dev_name[64], buf[64]; 27670ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov long name_max; 27680ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov int maj, min; 27690ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27700ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (!name) 27710ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27720ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27730ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov len = strlen(name); 27740ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27750ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (fstat(fd, &sbuf)) 27760ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27770ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27780ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov maj = major(sbuf.st_rdev); 27790ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov min = minor(sbuf.st_rdev); 27800ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27810ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode)) 27820ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27830ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27840ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/drm", maj, min); 27850ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27860ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov sysdir = opendir(buf); 27870ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (!sysdir) 27880ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 27890ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27900ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov name_max = fpathconf(dirfd(sysdir), _PC_NAME_MAX); 27910ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (name_max == -1) 27920ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov goto out_close_dir; 27930ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27940ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov pent = malloc(offsetof(struct dirent, d_name) + name_max + 1); 27950ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (pent == NULL) 27960ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov goto out_close_dir; 27970ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 27980ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov while (readdir_r(sysdir, pent, &ent) == 0 && ent != NULL) { 27990ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov if (strncmp(ent->d_name, name, len) == 0) { 28000ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov free(pent); 28010ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov closedir(sysdir); 28020ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28030ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov snprintf(dev_name, sizeof(dev_name), DRM_DIR_NAME "/%s", 28040ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov ent->d_name); 28050ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return strdup(dev_name); 28060ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 28070ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov } 28080ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28090ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov free(pent); 28100ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28110ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovout_close_dir: 28120ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov closedir(sysdir); 28130ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov#endif 28140ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return NULL; 28150ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 28160ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28170ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovchar *drmGetPrimaryDeviceNameFromFd(int fd) 28180ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 28190ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return drmGetMinorNameForFD(fd, DRM_NODE_PRIMARY); 28200ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 28210ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov 28220ca03a4087a550646de7f26b6b53a932e8546474Emil Velikovchar *drmGetRenderDeviceNameFromFd(int fd) 28230ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov{ 28240ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov return drmGetMinorNameForFD(fd, DRM_NODE_RENDER); 28250ca03a4087a550646de7f26b6b53a932e8546474Emil Velikov} 2826