xf86drm.c revision 9101a0205c897fea28e6a3d875111a83ad7f7732
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> 4179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <ctype.h> 4279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <fcntl.h> 4379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <errno.h> 4479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <signal.h> 4579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/types.h> 4679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/stat.h> 4779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#define stat_t struct stat 4879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/ioctl.h> 4979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/mman.h> 5079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/time.h> 5179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdarg.h> 52b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 53b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss/* Not all systems have MAP_FAILED defined */ 54b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#ifndef MAP_FAILED 55b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#define MAP_FAILED ((void *)-1) 56b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#endif 57b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 58b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#include "xf86drm.h" 59b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 6027c3785d3f12743a9e160238a4d00353060ec2f2Hasso Tepper#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) 61cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 145 62cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#endif 63cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt 64cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifdef __NetBSD__ 65cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 34 6688dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 6788dbee54ed400a3fd5594fab506518c171167805Rik Faith 68b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# ifdef __OpenBSD__ 69b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# define DRM_MAJOR 81 70b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# endif 71b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 72cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifndef DRM_MAJOR 73cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 226 /* Linux */ 7488dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 7588dbee54ed400a3fd5594fab506518c171167805Rik Faith 7688dbee54ed400a3fd5594fab506518c171167805Rik Faith#ifndef DRM_MAX_MINOR 7788dbee54ed400a3fd5594fab506518c171167805Rik Faith#define DRM_MAX_MINOR 16 7888dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 79569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 8022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson/* 8122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This definition needs to be changed on some systems if dev_t is a structure. 8222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * If there is a header file we can get it from, there would be best. 8322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 84569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#ifndef makedev 85569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) 86569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#endif 87569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 8856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes#define DRM_MSG_VERBOSITY 3 8956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 9079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic drmServerInfoPtr drm_server_info; 9179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 9279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid drmSetServerInfo(drmServerInfoPtr info) 9379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 94ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info = info; 9579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 9679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 97d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 98d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Output a message to stderr. 99d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 100d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param format printf() like format string. 101d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 102d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 103d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around vfprintf(). 104d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 10579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 10679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic int drmDebugPrint(const char *format, va_list ap) 10779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 108ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return vfprintf(stderr, format, ap); 10979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 11079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 11179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic int (*drm_debug_print)(const char *format, va_list ap) = drmDebugPrint; 11279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 113c4857429c716f35e1fa054d1990cae28055d96d7Eric Anholtvoid 11456bd9c207770d41a497f3e8237a1099dd9d4cd91David DawesdrmMsg(const char *format, ...) 11556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes{ 11656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_list ap; 11756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes const char *env; 11879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) || drm_server_info) 11956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes { 12056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_start(ap, format); 12179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 12279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_server_info->debug_print(format,ap); 12379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } else { 12479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_debug_print(format, ap); 12579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 12656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_end(ap); 12756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 12856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes} 12956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 13079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid 13179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmSetDebugMsgFunction(int (*debug_msg_ptr)(const char *format, va_list ap)) 13279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 133ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_debug_print = debug_msg_ptr; 13479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 13579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 136b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void *drmHashTable = NULL; /* Context switch callbacks */ 137b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 13879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid *drmGetHashTable(void) 13979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 140ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return drmHashTable; 14179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 142b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 143b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid *drmMalloc(int size) 144b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *pt; 146ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((pt = malloc(size))) 147ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian memset(pt, 0, size); 148b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return pt; 149b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 150b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 151b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFree(void *pt) 152b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 153ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (pt) 154ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(pt); 155b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 156b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 157569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul/* drmStrdup can't use strdup(3), since it doesn't call _DRM_MALLOC... */ 158b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic char *drmStrdup(const char *s) 159b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 16048198970ce449165fe1c7294108ca3afc775563dAdam Jackson char *retval; 16148198970ce449165fe1c7294108ca3afc775563dAdam Jackson 16248198970ce449165fe1c7294108ca3afc775563dAdam Jackson if (!s) 16348198970ce449165fe1c7294108ca3afc775563dAdam Jackson return NULL; 16448198970ce449165fe1c7294108ca3afc775563dAdam Jackson 16579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie retval = malloc(strlen(s)+1); 16648198970ce449165fe1c7294108ca3afc775563dAdam Jackson if (!retval) 16748198970ce449165fe1c7294108ca3afc775563dAdam Jackson return NULL; 16848198970ce449165fe1c7294108ca3afc775563dAdam Jackson 16948198970ce449165fe1c7294108ca3afc775563dAdam Jackson strcpy(retval, s); 170360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 171569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul return retval; 172b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 173b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1748b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard/** 1758b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard * Call ioctl, restarting if it is interupted 1768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard */ 1778b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packardstatic int 17841b83a99583486ad4f8760a6537d34783769bfc3Coleman KanedrmIoctl(int fd, unsigned long request, void *arg) 1798b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard{ 1808b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard int ret; 1818b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard 1828b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard do { 1838b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard ret = ioctl(fd, request, arg); 1848b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); 1858b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return ret; 1868b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard} 187b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 188b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic unsigned long drmGetKeyFromFd(int fd) 189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 190fcc21069b7019a4a93e1ceacc175ccd682353861David Dawes stat_t st; 191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss st.st_rdev = 0; 193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fstat(fd, &st); 194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return st.st_rdev; 195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 19779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmHashEntry *drmGetEntry(int fd) 198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry; 202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 203ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drmHashTable) 204ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmHashTable = drmHashCreate(); 205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashLookup(drmHashTable, key, &value)) { 207b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = drmMalloc(sizeof(*entry)); 208b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = fd; 209b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 210b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = drmHashCreate(); 211b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(drmHashTable, key, entry); 212b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } else { 213b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = value; 214b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 215b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return entry; 216b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 217b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 218d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 21906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Compare two busid strings 22006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 22106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param first 22206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param second 22306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 22406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return 1 if matched. 22506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 22606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 22706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * This function compares two bus ID strings. It understands the older 22806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * PCI:b:d:f format and the newer pci:oooo:bb:dd.f format. In the format, o is 22906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * domain, b is bus, d is device, f is function. 23006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 23106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholtstatic int drmMatchBusID(const char *id1, const char *id2) 23206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 23306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* First, check if the IDs are exactly the same */ 23406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strcasecmp(id1, id2) == 0) 23506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 23606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 23706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Try to match old/new-style PCI bus IDs. */ 23806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strncasecmp(id1, "pci", 3) == 0) { 23906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int o1, b1, d1, f1; 24006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int o2, b2, d2, f2; 24106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int ret; 24206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 24306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt ret = sscanf(id1, "pci:%04x:%02x:%02x.%d", &o1, &b1, &d1, &f1); 24406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 24506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o1 = 0; 24606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt ret = sscanf(id1, "PCI:%d:%d:%d", &b1, &d1, &f1); 24706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 24806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 25006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 25106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt ret = sscanf(id2, "pci:%04x:%02x:%02x.%d", &o2, &b2, &d2, &f2); 25206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 25306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o2 = 0; 25406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt ret = sscanf(id2, "PCI:%d:%d:%d", &b2, &d2, &f2); 25506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 25606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 25706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 25806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 25906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2)) 26006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 26106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt else 26206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 26306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 26406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 26506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 26606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 26706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 268d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device, creating it if necessary. 269d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param dev major and minor numbers of the device. 271d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor minor number of the device. 272d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 273d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 274d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 275d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 276d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assembles the device name from \p minor and opens it, creating the device 277d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * special file node with the major and minor numbers specified by \p dev and 278d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parent directory if necessary and was called by root. 279d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 28088dbee54ed400a3fd5594fab506518c171167805Rik Faithstatic int drmOpenDevice(long dev, int minor) 281b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2829c775d0b2f303389c24aea5e8abc1473f0cf93e8David Dawes stat_t st; 28388dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 28488dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 28579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie mode_t devmode = DRM_DEV_MODE, serv_mode; 28688dbee54ed400a3fd5594fab506518c171167805Rik Faith int isroot = !geteuid(); 28788dbee54ed400a3fd5594fab506518c171167805Rik Faith uid_t user = DRM_DEV_UID; 28879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie gid_t group = DRM_DEV_GID, serv_group; 28979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 29006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor); 29106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenDevice: node name is %s\n", buf); 29256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 29379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 294ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info->get_perms(&serv_group, &serv_mode); 295ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode = serv_mode ? serv_mode : DRM_DEV_MODE; 296ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); 297ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian group = (serv_group >= 0) ? serv_group : DRM_DEV_GID; 29879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 299569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 3009101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#if !defined(UDEV) 30188dbee54ed400a3fd5594fab506518c171167805Rik Faith if (stat(DRM_DIR_NAME, &st)) { 302ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 303ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 304b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE); 305b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane chown(DRM_DIR_NAME, 0, 0); /* root:root */ 306b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE); 307569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 308b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 30906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node exists and create it if necessary. */ 310d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (stat(buf, &st)) { 311ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 312ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 31388dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 31488dbee54ed400a3fd5594fab506518c171167805Rik Faith mknod(buf, S_IFCHR | devmode, dev); 315b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 31679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 31779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 318ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chown(buf, user, group); 319ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 32079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 3219101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#else 3229101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie /* if we modprobed then wait for udev */ 3239101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie { 3249101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie int udev_count = 0; 3259101a0205c897fea28e6a3d875111a83ad7f7732Dave Airliewait_for_udev: 3269101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(DRM_DIR_NAME, &st)) { 3279101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3289101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3299101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3309101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3319101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3329101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3339101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3349101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3359101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(buf, &st)) { 3369101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3379101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3389101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3399101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3409101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3419101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3429101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3439101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3449101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#endif 34588dbee54ed400a3fd5594fab506518c171167805Rik Faith 34656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd = open(buf, O_RDWR, 0); 34756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: open result is %d, (%s)\n", 34856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd, fd < 0 ? strerror(errno) : "OK"); 349ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 350ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 351d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 35206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node is not what we expect it to be, and recreate it 35306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * and try again if so. 35406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 355d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (st.st_rdev != dev) { 356ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 357ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 358d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt remove(buf); 359d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt mknod(buf, S_IFCHR | devmode, dev); 36079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 361ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chown(buf, user, group); 362ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 36379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 364d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt } 365d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd = open(buf, O_RDWR, 0); 366d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt drmMsg("drmOpenDevice: open result is %d, (%s)\n", 367d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd, fd < 0 ? strerror(errno) : "OK"); 368ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 369ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 370d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 37156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: Open failed\n"); 37288dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 37388dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 374b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 375b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 376d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 377d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 378d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device 379d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 380d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor device minor number. 381d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param create allow to create the device if set. 382d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 383d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 384d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 385d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 386d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Calls drmOpenDevice() if \p create is set, otherwise assembles the device 387d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * name from \p minor and opens it. 388d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 389fcc21069b7019a4a93e1ceacc175ccd682353861David Dawesstatic int drmOpenMinor(int minor, int create) 39088dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 39188dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 39288dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 39388dbee54ed400a3fd5594fab506518c171167805Rik Faith 394ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (create) 395ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return drmOpenDevice(makedev(DRM_MAJOR, minor), minor); 39688dbee54ed400a3fd5594fab506518c171167805Rik Faith 39788dbee54ed400a3fd5594fab506518c171167805Rik Faith sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor); 398ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((fd = open(buf, O_RDWR, 0)) >= 0) 399ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 40088dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 40188dbee54ed400a3fd5594fab506518c171167805Rik Faith} 40288dbee54ed400a3fd5594fab506518c171167805Rik Faith 403569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 404d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 405d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine whether the DRM kernel driver has been loaded. 406d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 407d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return 1 if the DRM driver is loaded, 0 otherwise. 408d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 409d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 410d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine the presence of the kernel driver by attempting to open the 0 411d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * minor and get version information. For backward compatibility with older 412d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Linux implementations, /proc/dri is also checked. 413d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 414569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulint drmAvailable(void) 415569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul{ 416569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul drmVersionPtr version; 417569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int retval = 0; 418569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int fd; 419360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 42088dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((fd = drmOpenMinor(0, 1)) < 0) { 421b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#ifdef __linux__ 42222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Try proc for backward Linux compatibility */ 423ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!access("/proc/dri/0", R_OK)) 424ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 1; 425b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#endif 42688dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 427569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 42888dbee54ed400a3fd5594fab506518c171167805Rik Faith 42988dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 43088dbee54ed400a3fd5594fab506518c171167805Rik Faith retval = 1; 43188dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 43288dbee54ed400a3fd5594fab506518c171167805Rik Faith } 43388dbee54ed400a3fd5594fab506518c171167805Rik Faith close(fd); 434569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 435569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul return retval; 436569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul} 437569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 439d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 440d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by bus ID. 441d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 442d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. 443d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 444d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 445d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 446d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 447d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function attempts to open every possible minor (up to DRM_MAX_MINOR), 448d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * comparing the device bus ID with the one supplied. 449d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 450d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor() and drmGetBusid(). 451d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 452e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Straussstatic int drmOpenByBusid(const char *busid) 453e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss{ 45488dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 45588dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 45688dbee54ed400a3fd5594fab506518c171167805Rik Faith const char *buf; 45706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmSetVersion sv; 45806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 45906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenByBusid: Searching for BusID %s\n", busid); 46088dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < DRM_MAX_MINOR; i++) { 46156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd = drmOpenMinor(i, 1); 46256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd); 46356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (fd >= 0) { 46406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = 1; 46506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_minor = 1; 46606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = -1; /* Don't care */ 46726462b9aa47179e724e78f0b3b1c86fd07f61d8dEric Anholt sv.drm_dd_minor = -1; /* Don't care */ 46806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmSetInterfaceVersion(fd, &sv); 469e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss buf = drmGetBusid(fd); 47056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf); 47106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (buf && drmMatchBusID(buf, busid)) { 47288dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeBusid(buf); 47388dbee54ed400a3fd5594fab506518c171167805Rik Faith return fd; 474e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 475ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (buf) 476ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmFreeBusid(buf); 477e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss close(fd); 478e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 479e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 480e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss return -1; 481e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss} 482e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss 483d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 484d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 485d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by name. 486d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 487d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. 488d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 489d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 490d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 491d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 492d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function opens the first minor number that matches the driver name and 493d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * isn't already in use. If it's in use it then it will already have a bus ID 494d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * assigned. 495d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 496d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor(), drmGetVersion() and drmGetBusid(). 497d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 498b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussstatic int drmOpenByName(const char *name) 499b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss{ 50088dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 50188dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 50288dbee54ed400a3fd5594fab506518c171167805Rik Faith drmVersionPtr version; 50356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes char * id; 50488dbee54ed400a3fd5594fab506518c171167805Rik Faith 50501836824d5b3dd4833573ebf3f98ed4cfb9cd5b3Brian Paul if (!drmAvailable()) { 506ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drm_server_info) { 507ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -1; 508ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 509ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian else { 510ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian /* try to load the kernel module now */ 511ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drm_server_info->load_module(name)) { 512ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 513ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -1; 514ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 515ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 51688dbee54ed400a3fd5594fab506518c171167805Rik Faith } 51701836824d5b3dd4833573ebf3f98ed4cfb9cd5b3Brian Paul 51856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes /* 51956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * Open the first minor number that matches the driver name and isn't 52056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * already in use. If it's in use it will have a busid assigned already. 52156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes */ 52288dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < DRM_MAX_MINOR; i++) { 52388dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((fd = drmOpenMinor(i, 1)) >= 0) { 52488dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 52588dbee54ed400a3fd5594fab506518c171167805Rik Faith if (!strcmp(version->name, name)) { 52688dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 52756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes id = drmGetBusid(fd); 52856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL"); 52956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (!id || !*id) { 53022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (id) 53156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 53256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return fd; 53356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 53456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 53556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 53656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 53756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeVersion(version); 53888dbee54ed400a3fd5594fab506518c171167805Rik Faith } 53988dbee54ed400a3fd5594fab506518c171167805Rik Faith } 54056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes close(fd); 54188dbee54ed400a3fd5594fab506518c171167805Rik Faith } 542b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 543b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 54488dbee54ed400a3fd5594fab506518c171167805Rik Faith#ifdef __linux__ 54522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Backward-compatibility /proc support */ 546b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (i = 0; i < 8; i++) { 54788dbee54ed400a3fd5594fab506518c171167805Rik Faith char proc_name[64], buf[512]; 54888dbee54ed400a3fd5594fab506518c171167805Rik Faith char *driver, *pt, *devstring; 54988dbee54ed400a3fd5594fab506518c171167805Rik Faith int retcode; 55088dbee54ed400a3fd5594fab506518c171167805Rik Faith 5510371c290a12f75d36c9c1e7c947bf98fe210908bDaryll Strauss sprintf(proc_name, "/proc/dri/%d/name", i); 552b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if ((fd = open(proc_name, 0, 0)) >= 0) { 553b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss retcode = read(fd, buf, sizeof(buf)-1); 554b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss close(fd); 555b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (retcode) { 556b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss buf[retcode-1] = '\0'; 557b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (driver = pt = buf; *pt && *pt != ' '; ++pt) 558b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 55922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (*pt) { /* Device is next */ 560b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss *pt = '\0'; 561b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (!strcmp(driver, name)) { /* Match */ 562b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (devstring = ++pt; *pt && *pt != ' '; ++pt) 563b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 564b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (*pt) { /* Found busid */ 56588dbee54ed400a3fd5594fab506518c171167805Rik Faith return drmOpenByBusid(++pt); 56622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson } else { /* No busid */ 56788dbee54ed400a3fd5594fab506518c171167805Rik Faith return drmOpenDevice(strtol(devstring, NULL, 0),i); 568b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 569b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 570b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 571b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 572569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 573b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 57488dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 57588dbee54ed400a3fd5594fab506518c171167805Rik Faith 576b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return -1; 577b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss} 578b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 579b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 580d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 581d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device. 582d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 583d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Looks up the specified name and bus ID, and opens the device found. The 584d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * entry in /dev/dri is created if necessary and if called by root. 585d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 586d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. Not referenced if bus ID is supplied. 587d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. Zero if not known. 588d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 589d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 590d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 591d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 592d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 593d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * otherwise. 594d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 595b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmOpen(const char *name, const char *busid) 596b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 59779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drmAvailable() && name != NULL && drm_server_info) { 59806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* try to load the kernel */ 59979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drm_server_info->load_module(name)) { 600ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 60106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 60206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 60306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 60406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 60506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (busid) { 606ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd = drmOpenByBusid(busid); 60706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (fd >= 0) 60806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return fd; 60906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 61022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 61106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (name) 61206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return drmOpenByName(name); 61322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 61406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 615b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 616b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the version information returned by drmGetVersion(). 620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It frees the memory pointed by \p %v as well as all the non-null strings 625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * pointers in it. 626d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 627b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFreeVersion(drmVersionPtr v) 628b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 629ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 630ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 6319d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 6329d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 6339d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 634b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 635b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 636b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 637d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 638d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 639d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the non-public version information returned by the kernel. 640d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 641d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 642d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 643d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 644d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to free the memory pointed by \p %v as well as all 645d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the non-null strings pointers in it. 646d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 647b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void drmFreeKernelVersion(drm_version_t *v) 648b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 649ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 650ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 6519d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 6529d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 6539d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 654b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 655b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 656b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 657d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 658d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 659d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Copy version information. 660d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 661d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param d destination pointer. 662d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param s source pointer. 663d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 664d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 665d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to translate the information returned by the ioctl 666d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * interface in a private structure into the public structure counterpart. 667d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 668569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulstatic void drmCopyVersion(drmVersionPtr d, const drm_version_t *s) 669b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 670b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_major = s->version_major; 671b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_minor = s->version_minor; 672b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_patchlevel = s->version_patchlevel; 673b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->name_len = s->name_len; 674b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->name = drmStrdup(s->name); 675b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->date_len = s->date_len; 676b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->date = drmStrdup(s->date); 677b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->desc_len = s->desc_len; 678b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->desc = drmStrdup(s->desc); 679b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 680b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 681b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 682d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 683d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Query the driver version information. 684d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 685d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 686d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 687d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return pointer to a drmVersion structure which should be freed with 688d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * drmFreeVersion(). 689d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 690d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note Similar information is available via /proc/dri. 691d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 692d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 693d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It gets the version information via successive DRM_IOCTL_VERSION ioctls, 694d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * first with zeros to get the string lengths, and then the actually strings. 695d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It also null-terminates them since they might not be already. 696d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 697b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmVersionPtr drmGetVersion(int fd) 698b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 699b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmVersionPtr retval; 700b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_version_t *version = drmMalloc(sizeof(*version)); 701b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 702b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name_len = 0; 703b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = NULL; 704b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date_len = 0; 705b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = NULL; 706b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc_len = 0; 707b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = NULL; 708360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 7098b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 710b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 711b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 712b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 713b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 714b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) 715b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = drmMalloc(version->name_len + 1); 716b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) 717b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = drmMalloc(version->date_len + 1); 718b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) 719b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = drmMalloc(version->desc_len + 1); 720360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 7218b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 722b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno)); 723b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 724b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 725b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 726b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 72722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* The results might not be null-terminated strings, so terminate them. */ 728b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) version->name[version->name_len] = '\0'; 729b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) version->date[version->date_len] = '\0'; 730b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) version->desc[version->desc_len] = '\0'; 731b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 732b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 733b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmCopyVersion(retval, version); 734b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 735b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 736b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 737b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 7383903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 739d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 740d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get version information for the DRM user space library. 741d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 742d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This version number is driver independent. 743d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 744d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 745d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 746d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return version information. 747d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 748d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 749d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function allocates and fills a drm_version structure with a hard coded 750d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * version number. 751d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 7523903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens OwendrmVersionPtr drmGetLibVersion(int fd) 7533903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 7543903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen drm_version_t *version = drmMalloc(sizeof(*version)); 7553903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 7563903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen /* Version history: 75779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * NOTE THIS MUST NOT GO ABOVE VERSION 1.X due to drivers needing it 7583903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.0.x = original DRM interface with no drmGetLibVersion 7593903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * entry point and many drm<Device> extensions 7603903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.1.x = added drmCommand entry points for device extensions 7613903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * added drmGetLibVersion to identify libdrm.a version 76206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * revision 1.2.x = added drmSetInterfaceVersion 76306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * modified drmOpen to handle both busid and name 76479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * revision 1.3.x = added server + memory manager 7653903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen */ 76679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_major = 1; 76779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_minor = 3; 7683903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen version->version_patchlevel = 0; 7693903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 7703903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return (drmVersionPtr)version; 7713903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 7723903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the bus ID information. 776d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 777d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID information string as given by drmGetBusid(). 778d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 779d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 780d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is just frees the memory pointed by \p busid. 781d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 782b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussvoid drmFreeBusid(const char *busid) 783b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 784b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drmFree((void *)busid); 785b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 786b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 787d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 788d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 789d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get the bus ID of the device. 790d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 791d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 792d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 793d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return bus ID string. 794d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 795d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 796d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function gets the bus ID via successive DRM_IOCTL_GET_UNIQUE ioctls to 797d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * get the string length and data, passing the arguments in a drm_unique 798d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * structure. 799d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 800b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strausschar *drmGetBusid(int fd) 801b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 802b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 803b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 804b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = 0; 805b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = NULL; 806b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 808ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 809b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = drmMalloc(u.unique_len + 1); 8108b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 811ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 812b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique[u.unique_len] = '\0'; 81306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 814b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return u.unique; 815b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 816b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 817d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 818d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 819d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the bus ID of the device. 820d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 821d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 822d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID string. 823d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 824d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, negative on failure. 825d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 826d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 827d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_SET_UNIQUE ioctl, passing 828d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_unique structure. 829d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 830b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmSetBusid(int fd, const char *busid) 831b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 832b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 833b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 834b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = (char *)busid; 835b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = strlen(busid); 836b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8378b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { 83856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return -errno; 83956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 840b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 841b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 842b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8438696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMagic(int fd, drm_magic_t * magic) 844b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 845b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 846b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 847b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = 0; 8488b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) 849ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 850b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = auth.magic; 851b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 852b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 853b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8548696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAuthMagic(int fd, drm_magic_t magic) 855b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 856b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 857b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 858b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss auth.magic = magic; 8598b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) 860ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 861b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 862b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 863b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 864d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 865d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Specifies a range of memory that is available for mapping by a 866d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * non-root process. 867d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 868d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 869d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset usually the physical address. The actual meaning depends of 870d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the \p type parameter. See below. 871d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size of the memory in bytes. 872d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of the memory to be mapped. 873d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags combination of several flags to modify the function actions. 874d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle will be set to a value that may be used as the offset 875d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parameter for mmap(). 876d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 877d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success or a negative value on error. 878d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the frame buffer 880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the frame buffer 881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the frame buffer, 882d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the frame buffer in bytes, and 883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_FRAME_BUFFER. 884d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 885d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 886d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. If MTRR support is available in the 887d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel, the frame buffer area will be set to write combining. 888d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 889d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the MMIO register area 890d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the MMIO register area, 891d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the register area, 892d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the register area bytes, and 893d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_REGISTERS. 894d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 895d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. 896d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 897d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the SAREA 898d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the SAREA, 899d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be ignored and should be set to zero, 900d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the desired size of the SAREA in bytes, 901d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_SHM. 902d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 903d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 904d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * A shared memory area of the requested size will be created and locked in 905d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel memory. This area may be mapped into client-space by using the handle 906d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returned. 907d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 908d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 909d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 910d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 911d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_MAP ioctl, passing 912d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_map structure. 913d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 91422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type, 91522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drmMapFlags flags, drm_handle_t *handle) 916b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 917b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_map_t map; 918b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 919b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.offset = offset; 920b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.size = size; 921b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.handle = 0; 922b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.type = type; 923b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.flags = flags; 9248b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map)) 925ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 926ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 927ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *handle = (drm_handle_t)map.handle; 928b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 929b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 930b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9318696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmRmMap(int fd, drm_handle_t handle) 93274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 93374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_map_t map; 93474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 93574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.handle = (void *)handle; 93674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 9378b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map)) 938ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 93974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 94074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 94174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Make buffers available for DMA transfers. 944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers. 947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of each buffer. 948d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags buffer allocation flags. 949d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param agp_offset offset in the AGP aperture 950d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 951d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return number of buffers allocated, negative on error. 952d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 953d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 954d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around DRM_IOCTL_ADD_BUFS ioctl. 955d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 956d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drm_buf_desc. 957d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 958ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAddBufs(int fd, int count, int size, drmBufDescFlags flags, 959ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann int agp_offset) 960b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 961b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_desc_t request; 962360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 963b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 964b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.size = size; 965b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.low_mark = 0; 966b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.high_mark = 0; 967b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.flags = flags; 968ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann request.agp_start = agp_offset; 969360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 9708b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request)) 971ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 972b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return request.count; 973b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 974b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 975b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmMarkBufs(int fd, double low, double high) 976b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 977b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 978b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 979b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 980b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.count = 0; 981b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list = NULL; 982b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9838b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 984ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 985b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 986ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!info.count) 987ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 988360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 989b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 990b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return -ENOMEM; 991360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 9928b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 993b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 994b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 995b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 996b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 997360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 998b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 999b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].low_mark = low * info.list[i].count; 1000b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].high_mark = high * info.list[i].count; 10018b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { 1002b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1003b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1004b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1005b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1006b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1007b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1008360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1009b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1010b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1011b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1012d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1013d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free buffers. 1014d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1015d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1016d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers to free. 1017d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param list list of buffers to be freed. 1018d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1019d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1020d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1021d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note This function is primarily used for debugging. 1022d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1023d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1024d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing 1025d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_buf_free structure. 1026d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1027b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFreeBufs(int fd, int count, int *list) 1028b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1029b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_free_t request; 1030b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1031b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1032b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.list = list; 10338b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request)) 1034ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1035b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1036b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1037b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1039d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1040d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Close the device. 1041d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1042d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1043d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1044d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1045d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function closes the file descriptor. 1046d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1047b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmClose(int fd) 1048b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1049b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 1050b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 1051b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1052b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDestroy(entry->tagTable); 1053b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = 0; 1054b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 1055b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = NULL; 1056b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1057b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(drmHashTable, key); 1058b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(entry); 1059b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1060b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return close(fd); 1061b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1062b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1063d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1064d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1065d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map a region of memory. 1066d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1067d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1068d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle returned by drmAddMap(). 1069d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmAddMap(). 1070d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address will contain the user-space virtual address where the mapping 1071d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * begins. 1072d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1073d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1074d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper for mmap(). 1077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 107822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address) 1079b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1080c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane static unsigned long pagesize_mask = 0; 1081c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1082ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd < 0) 1083ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1084c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1085c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane if (!pagesize_mask) 1086c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane pagesize_mask = getpagesize() - 1; 1087c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1088c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane size = (size + pagesize_mask) & ~pagesize_mask; 1089c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1090b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *address = mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle); 1091ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (*address == MAP_FAILED) 1092ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1093b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1094b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1095b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1096d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1097d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1098d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap mappings obtained with drmMap(). 1099d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1100d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address address as given by drmMap(). 1101d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmMap(). 1102d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1103d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1104d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1105d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 110622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This function is a wrapper for munmap(). 1107d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1108b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmap(drmAddress address, drmSize size) 1109b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1110b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return munmap(address, size); 1111b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1112b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1113b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufInfoPtr drmGetBufInfo(int fd) 1114b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1115b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1116b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufInfoPtr retval; 1117b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1118b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1119b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.count = 0; 1120b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list = NULL; 1121b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11228b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1123ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1124b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1125b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (info.count) { 1126b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1127b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1128360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11298b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1130b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1131b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1132b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 113322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1134b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1135b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = info.count; 1136b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(info.count * sizeof(*retval->list)); 1137b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1138b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].count = info.list[i].count; 1139b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].size = info.list[i].size; 1140b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].low_mark = info.list[i].low_mark; 1141b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].high_mark = info.list[i].high_mark; 1142b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1143b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1144b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1147b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1148b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1149d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1150d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map all DMA buffers into client-virtual space. 1151d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1152d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1153d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1154d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a pointer to a ::drmBufMap structure. 1155d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1156d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note The client may not use these buffers until obtaining buffer indices 1157d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with drmDMA(). 1158d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1159d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1160d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function calls the DRM_IOCTL_MAP_BUFS ioctl and copies the returned 1161d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * information about the buffers in a drm_buf_map structure into the 1162d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * client-visible data structures. 1163d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1164b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufMapPtr drmMapBufs(int fd) 1165b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1166b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_map_t bufs; 1167b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufMapPtr retval; 1168b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1169360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1170b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss bufs.count = 0; 1171b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss bufs.list = NULL; 11728696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl bufs.virtual = NULL; 11738b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) 1174ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1175b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1176ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!bufs.count) 1177ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 11788696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list)))) 1180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1181b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11828b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { 1183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(bufs.list); 1184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 118622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1187b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1188b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = bufs.count; 1189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(bufs.count * sizeof(*retval->list)); 1190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs.count; i++) { 1191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].idx = bufs.list[i].idx; 1192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].total = bufs.list[i].total; 1193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].used = 0; 1194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].address = bufs.list[i].address; 1195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 11968696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 11978696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs.list); 11988696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1202d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1203d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1204d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap buffers allocated with drmMapBufs(). 1205d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1206d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or negative value on failure. 1207d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1208d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 12098696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * Calls munmap() for every buffer stored in \p bufs and frees the 12108696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * memory allocated by drmMapBufs(). 1211d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1212b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmapBufs(drmBufMapPtr bufs) 1213b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1214b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1215360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1216b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs->count; i++) { 1217b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss munmap(bufs->list[i].address, bufs->list[i].total); 1218b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 12198696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 12208696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs->list); 12218696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs); 12228696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1223b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1224b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1225b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1226d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1227360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes#define DRM_DMA_RETRY 16 1228360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1229d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1230d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Reserve DMA buffers. 1231d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1232d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1233d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param request 1234d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1235d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1236d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1237d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1238d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assemble the arguments into a drm_dma structure and keeps issuing the 1239d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * DRM_IOCTL_DMA ioctl until success or until maximum number of retries. 1240d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1241b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmDMA(int fd, drmDMAReqPtr request) 1242b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1243b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_dma_t dma; 1244360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes int ret, i = 0; 1245b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1246b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.context = request->context; 1247b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_count = request->send_count; 1248b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_indices = request->send_list; 1249b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_sizes = request->send_sizes; 1250b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.flags = request->flags; 1251b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_count = request->request_count; 1252b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_size = request->request_size; 1253b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_indices = request->request_list; 1254b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_sizes = request->request_sizes; 12558696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl dma.granted_count = 0; 1256360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1257360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes do { 1258360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes ret = ioctl( fd, DRM_IOCTL_DMA, &dma ); 1259360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY ); 1260360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1261360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes if ( ret == 0 ) { 1262360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes request->granted_count = dma.granted_count; 1263360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return 0; 1264360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } else { 1265360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return -errno; 1266360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } 1267b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1268b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1269d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1271d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Obtain heavyweight hardware lock. 1272d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1273d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1274d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1275d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags flags that determine the sate of the hardware when the function 1276d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returns. 1277d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1278d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return always zero. 1279d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1280d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1281d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function translates the arguments into a drm_lock structure and issue 1282d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired. 1283d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 12848696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetLock(int fd, drm_context_t context, drmLockFlags flags) 1285b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1286b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1287b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1288b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1289b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 1290b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 1291b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 1292b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 1293b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 1294b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 1295b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 1296360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 12978b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock)) 1298b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ; 1299b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1300b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1301b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1302d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1303d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the hardware lock. 1304d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1305d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1306d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1307d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1308d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1309d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1310d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1311d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the 1312d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_lock structure. 1313d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 13148696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmUnlock(int fd, drm_context_t context) 1315b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1316b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1317b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1318b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1319b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 13208b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock); 1321b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1322b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 132322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksondrm_context_t *drmGetReservedContextList(int fd, int *count) 1324b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1325b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_res_t res; 1326b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t *list; 13278696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drm_context_t * retval; 1328b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1329b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1330b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.count = 0; 1331b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = NULL; 13328b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1333ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1334b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1335ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!res.count) 1336ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1337b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1338ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!(list = drmMalloc(res.count * sizeof(*list)))) 1339ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1340b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(retval = drmMalloc(res.count * sizeof(*retval)))) { 1341b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1342b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1343b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1344b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1345b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = list; 13468b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1347ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1348b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1349ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < res.count; i++) 1350ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian retval[i] = list[i].handle; 1351b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1352b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1353b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *count = res.count; 1354b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1355b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1356b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 135722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonvoid drmFreeReservedContextList(drm_context_t *pt) 1358b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1359b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(pt); 1360b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1361b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1362d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1363d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Create context. 1364d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1365d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by the X server during GLXContext initialization. This causes 1366d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * per-context kernel-level resources to be allocated. 1367d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1368d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1369d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle is set on success. To be used by the client when requesting DMA 1370d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * dispatch with drmDMA(). 1371d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1372d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1373d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1374d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1375d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1376d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1377d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the 1378d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1379d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 138022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateContext(int fd, drm_context_t *handle) 1381b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1382b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1383b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1384b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.flags = 0; /* Modified with functions below */ 13858b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) 1386ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1387b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = ctx.handle; 1388b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1389b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1390b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 13918696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSwitchToContext(int fd, drm_context_t context) 1392b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1393b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1394b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1395b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 13968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) 1397ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1398b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1399b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1400b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14018696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags) 1402b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1403b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1404b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 140522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* 140622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * Context preserving means that no context switches are done between DMA 140722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * buffers from one context and the next. This is suitable for use in the 140822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * X server (which promises to maintain hardware context), or in the 140922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * client-side library when buffers are swapped on behalf of two threads. 141022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 1411b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 1412b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.flags = 0; 1413ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_PRESERVED) 1414ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_PRESERVED; 1415ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_2DONLY) 1416ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_2DONLY; 14178b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) 1418ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1419b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1420b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1421b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 142222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextFlags(int fd, drm_context_t context, 142322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_context_tFlagsPtr flags) 1424b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1425b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1426b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1427b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 14288b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx)) 1429ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1430b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *flags = 0; 1431ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_PRESERVED) 1432ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_PRESERVED; 1433ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_2DONLY) 1434ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_2DONLY; 1435b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1436b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1437360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1439d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Destroy context. 1440d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1441d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free any kernel-level resources allocated with drmCreateContext() associated 1442d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with the context. 1443d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1444d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1445d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle given by drmCreateContext(). 1446d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1447d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1448d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1449d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1450d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1451d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1452d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the 1453d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1454d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 14558696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyContext(int fd, drm_context_t handle) 1456b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1457b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1458b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = handle; 14598b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx)) 1460ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1461b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1462b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1463b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 146422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateDrawable(int fd, drm_drawable_t *handle) 1465b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1466b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 14678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) 1468ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1469b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = draw.handle; 1470b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1471b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1472b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14738696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyDrawable(int fd, drm_drawable_t handle) 1474b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1475b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1476b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss draw.handle = handle; 14778b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw)) 1478ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1479b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1480b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1481b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14829810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzerint drmUpdateDrawableInfo(int fd, drm_drawable_t handle, 14839810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_drawable_info_type_t type, unsigned int num, 14849810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer void *data) 14859810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer{ 14869810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_update_draw_t update; 14879810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 14889810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.handle = handle; 14899810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.type = type; 14909810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.num = num; 14919810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.data = (unsigned long long)(unsigned long)data; 14929810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 14938b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) 1494ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 14959810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 14969810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer return 0; 14979810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer} 14989810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1499d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1500d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Acquire the AGP device. 1501d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1502d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Must be called before any of the other AGP related calls. 1503d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1504d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1505d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1506d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1507d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1508d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1509d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl. 1510d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1511ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAcquire(int fd) 1512ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 15138b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) 1514ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1515ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1516ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1517ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1518d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1519d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1520d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the AGP device. 1521d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1522d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1523d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1524d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1525d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1526d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1527d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl. 1528d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1529ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpRelease(int fd) 1530ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 15318b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) 1532ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1533ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1534ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1535ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1536d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1537d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1538d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the AGP mode. 1539d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1540d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1541d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param mode AGP mode. 1542d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1543d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1544d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1545d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1546d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the 1547d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_mode structure. 1548d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1549ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpEnable(int fd, unsigned long mode) 1550ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1551ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_mode_t m; 1552ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1553ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann m.mode = mode; 15548b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) 1555ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1556ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1557ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1558ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1559d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1560d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1561d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Allocate a chunk of AGP memory. 1562d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1563d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1564d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size requested memory size in bytes. Will be rounded to page boundary. 1565d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of memory to allocate. 1566d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address if not zero, will be set to the physical address of the 1567d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * allocated memory. 1568d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle on success will be set to a handle of the allocated memory. 1569d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1570d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1571d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1572d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1573d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ALLOC ioctl, passing the 1574d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_agp_buffer structure. 1575d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1576ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAlloc(int fd, unsigned long size, unsigned long type, 15777ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlie unsigned long *address, drm_handle_t *handle) 1578ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1579ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1580b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 1581b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane *handle = DRM_AGP_NO_HANDLE; 1582ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = size; 1583ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = 0; 1584ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.type = type; 15858b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) 1586ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1587ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (address != 0UL) 1588ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *address = b.physical; 1589ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann *handle = b.handle; 1590ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1591ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1592ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1593d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1594d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1595d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free a chunk of AGP memory. 1596d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1597d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1598d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1599d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1600d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1601d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1602d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1603d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the 1604d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_buffer structure. 1605d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16067ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpFree(int fd, drm_handle_t handle) 1607ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1608ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1609ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1610ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = 0; 1611ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 16128b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b)) 1613ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1614ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1615ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1616ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Bind a chunk of AGP memory. 1620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset offset in bytes. It will round to page boundary. 1624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1626d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1627d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1628d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the 1629d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_binding structure. 1630d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16317ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpBind(int fd, drm_handle_t handle, unsigned long offset) 1632ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1633ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1634ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1635ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1636ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = offset; 16378b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b)) 1638ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1639ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1640ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1641ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1642d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1643d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1644d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unbind a chunk of AGP memory. 1645d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1646d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1647d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1648d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1649d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1650d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1651d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1652d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing 1653d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the argument in a drm_agp_binding structure. 1654d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16557ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpUnbind(int fd, drm_handle_t handle) 1656ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1657ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1658ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1659ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1660ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = 0; 16618b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) 1662ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1663ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1664ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1665ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1666d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1667d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1668d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver major version number. 1669d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1670d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1671d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1672d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return major version number on success, or a negative value on failure.. 1673d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1674d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1675d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1676d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1677d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1678ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMajor(int fd) 1679ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1680ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1681ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 16828b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1683ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1684ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_major; 1685ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1686ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1687d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1688d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1689d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver minor version number. 1690d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1691d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1692d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1693d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return minor version number on success, or a negative value on failure. 1694d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1695d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1696d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1697d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1698d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1699ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMinor(int fd) 1700ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1701ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1702ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17038b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1704ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1705ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_minor; 1706ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1707ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1708d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1709d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1710d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP mode. 1711d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1712d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1713d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1714d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return mode on success, or zero on failure. 1715d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1716d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1717d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1718d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1719d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1720ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpGetMode(int fd) 1721ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1722ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1723ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17248b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1725ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1726ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.mode; 1727ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1728ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1729d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1730d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1731d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture base. 1732d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1733d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1734d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1735d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture base on success, zero on failure. 1736d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1737d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1738d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1739d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1740d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1741ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpBase(int fd) 1742ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1743ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1744ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17458b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1746ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1747ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_base; 1748ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1749ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1750d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1751d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1752d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture size. 1753d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1754d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1755d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1756d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture size on success, zero on failure. 1757d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1758d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1759d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1760d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1761d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1762ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpSize(int fd) 1763ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1764ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1765ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1767ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1768ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_size; 1769ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1770ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1771d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1772d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get used AGP memory. 1774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1776d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1777d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory used on success, or zero on failure. 1778d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1779d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1780d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1781d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1782d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1783ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryUsed(int fd) 1784ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1785ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1786ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17878b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1788ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1789ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_used; 1790ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1791ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1792d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1793d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1794d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get available AGP memory. 1795d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1796d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1797d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1798d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory available on success, or zero on failure. 1799d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1800d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1801d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1802d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1803d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1804ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryAvail(int fd) 1805ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1806ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1807ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18088b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1809ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1810ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_allowed; 1811ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1812ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1813d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1814d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1815d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware vendor ID. 1816d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1817d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1818d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1819d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return vendor ID on success, or zero on failure. 1820d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1821d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1822d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1823d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1824d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1825ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpVendorId(int fd) 1826ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1827ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1828ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18298b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1830ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1831ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_vendor; 1832ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1833ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1836d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware device ID. 1837d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1838d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1839d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1840d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or zero on failure. 1841d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1842d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1843d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1844d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1845d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1846ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpDeviceId(int fd) 1847ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1848ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1849ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18508b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1851ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1852ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_device; 1853ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1854ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18557ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle) 18565d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 18575d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 18585d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 18595d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = 0; 18605d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = size; 18615d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = 0; 18628b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) 1863ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 18645d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = sg.handle; 18655d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 18665d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 18675d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 18687ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherFree(int fd, drm_handle_t handle) 18695d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 18705d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 18715d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 18725d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = 0; 18735d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = handle; 18748b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg)) 1875ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 18765d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 18775d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 18785d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 1879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Wait for VBLANK. 1881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1882d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param vbl pointer to a drmVBlank structure. 1884d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1885d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1886d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1887d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1888d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl. 1889d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 189055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzerint drmWaitVBlank(int fd, drmVBlankPtr vbl) 189155acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer{ 189255acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer int ret; 189355acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 189455acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer do { 18958b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard ret = drmIoctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); 1896c7d471b6ae936127311a816a8d15b4565746af48Michel Daenzer vbl->request.type &= ~DRM_VBLANK_RELATIVE; 189755acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer } while (ret && errno == EINTR); 189855acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 189955acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer return ret; 190055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer} 190155acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 1902b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmError(int err, const char *label) 1903b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1904b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss switch (err) { 1905ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_DEVICE: 1906ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no device\n", label); 1907ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1908ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_ACCESS: 1909ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no access\n", label); 1910ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1911ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NOT_ROOT: 1912ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: not root\n", label); 1913ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1914ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_INVALID: 1915ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: invalid args\n", label); 1916ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1917b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss default: 1918ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (err < 0) 1919ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian err = -err; 1920b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) ); 1921b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss break; 1922b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1923b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1924b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 1; 1925b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1926b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1927d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1928d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Install IRQ handler. 1929d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1930d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1931d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param irq IRQ number. 1932d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1933d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1934d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1935d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1936d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 1937d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 1938d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1939b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlInstHandler(int fd, int irq) 1940b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1941b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 1942b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1943b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_INST_HANDLER; 1944b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = irq; 19458b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 1946ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1947b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1948b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1949b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1950d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1951d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1952d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Uninstall IRQ handler. 1953d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1954d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1955d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1956d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1957d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1958d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1959d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 1960d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 1961d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1962b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlUninstHandler(int fd) 1963b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1964b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 1965b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1966b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_UNINST_HANDLER; 1967b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = 0; 19688b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 1969ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1970b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1971b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1972b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1973b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFinish(int fd, int context, drmLockFlags flags) 1974b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1975b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1976b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1977b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1978b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 1979b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 1980b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 1981b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 1982b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 1983b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 1984b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 19858b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock)) 1986ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1987b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1988b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1989b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1990d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1991d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get IRQ from bus ID. 1992d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1993d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1994d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busnum bus number. 1995d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param devnum device number. 1996d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param funcnum function number. 1997d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1998d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return IRQ number on success, or a negative value on failure. 1999d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2000d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2001d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the 2002d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_irq_busid structure. 2003d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2004b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum) 2005b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2006b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_irq_busid_t p; 2007b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2008b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.busnum = busnum; 2009b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.devnum = devnum; 2010b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.funcnum = funcnum; 20118b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) 2012ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2013b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return p.irq; 2014b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2015b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 20168696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAddContextTag(int fd, drm_context_t context, void *tag) 2017b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2018b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2019b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2020b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashInsert(entry->tagTable, context, tag)) { 2021b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(entry->tagTable, context); 2022b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(entry->tagTable, context, tag); 2023b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2024b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2025b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2026b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 20278696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDelContextTag(int fd, drm_context_t context) 2028b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2029b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2030b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2031b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return drmHashDelete(entry->tagTable, context); 2032b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2033b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 20348696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlvoid *drmGetContextTag(int fd, drm_context_t context) 2035b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2036b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2037b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 2038360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 2039ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (drmHashLookup(entry->tagTable, context, &value)) 2040ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 2041b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2042b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return value; 2043b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2044b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 204522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddContextPrivateMapping(int fd, drm_context_t ctx_id, 204622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t handle) 204774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 204874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 204974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 205074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 205174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.handle = (void *)handle; 205274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 20538b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) 2054ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 205574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 205674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 205774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 205822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 205922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t *handle) 206074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 206174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 206274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 206374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 206474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 20658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) 2066ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2067ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 2068ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *handle = (drm_handle_t)map.handle; 206974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 207074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 207174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 207274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 20738696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size, 20748696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmMapType *type, drmMapFlags *flags, drm_handle_t *handle, 207588dbee54ed400a3fd5594fab506518c171167805Rik Faith int *mtrr) 207688dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 207788dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_map_t map; 207888dbee54ed400a3fd5594fab506518c171167805Rik Faith 207988dbee54ed400a3fd5594fab506518c171167805Rik Faith map.offset = idx; 20808b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map)) 2081ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 208288dbee54ed400a3fd5594fab506518c171167805Rik Faith *offset = map.offset; 208388dbee54ed400a3fd5594fab506518c171167805Rik Faith *size = map.size; 208488dbee54ed400a3fd5594fab506518c171167805Rik Faith *type = map.type; 208588dbee54ed400a3fd5594fab506518c171167805Rik Faith *flags = map.flags; 208688dbee54ed400a3fd5594fab506518c171167805Rik Faith *handle = (unsigned long)map.handle; 208788dbee54ed400a3fd5594fab506518c171167805Rik Faith *mtrr = map.mtrr; 208888dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 208988dbee54ed400a3fd5594fab506518c171167805Rik Faith} 209088dbee54ed400a3fd5594fab506518c171167805Rik Faith 209188dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, 209288dbee54ed400a3fd5594fab506518c171167805Rik Faith unsigned long *magic, unsigned long *iocs) 209388dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 209488dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_client_t client; 209588dbee54ed400a3fd5594fab506518c171167805Rik Faith 209688dbee54ed400a3fd5594fab506518c171167805Rik Faith client.idx = idx; 20978b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client)) 2098ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 209988dbee54ed400a3fd5594fab506518c171167805Rik Faith *auth = client.auth; 210088dbee54ed400a3fd5594fab506518c171167805Rik Faith *pid = client.pid; 210188dbee54ed400a3fd5594fab506518c171167805Rik Faith *uid = client.uid; 210288dbee54ed400a3fd5594fab506518c171167805Rik Faith *magic = client.magic; 210388dbee54ed400a3fd5594fab506518c171167805Rik Faith *iocs = client.iocs; 210488dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 210588dbee54ed400a3fd5594fab506518c171167805Rik Faith} 210688dbee54ed400a3fd5594fab506518c171167805Rik Faith 210788dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetStats(int fd, drmStatsT *stats) 210888dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 210988dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_stats_t s; 211088dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 211188dbee54ed400a3fd5594fab506518c171167805Rik Faith 21128b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s)) 2113ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 211488dbee54ed400a3fd5594fab506518c171167805Rik Faith 211588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = 0; 211688dbee54ed400a3fd5594fab506518c171167805Rik Faith memset(stats, 0, sizeof(*stats)); 211788dbee54ed400a3fd5594fab506518c171167805Rik Faith if (s.count > sizeof(stats->data)/sizeof(stats->data[0])) 211888dbee54ed400a3fd5594fab506518c171167805Rik Faith return -1; 211988dbee54ed400a3fd5594fab506518c171167805Rik Faith 212088dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_VALUE \ 212188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 212288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%8.8s"; \ 212388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 1; \ 212488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 212588dbee54ed400a3fd5594fab506518c171167805Rik Faith 212688dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_COUNT \ 212788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 212888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 212988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 213088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "kgm"; \ 213188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1000; \ 213288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 213388dbee54ed400a3fd5594fab506518c171167805Rik Faith 213488dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_BYTE \ 213588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 213688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 213788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 213888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "KGM"; \ 213988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1024; \ 214088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 214188dbee54ed400a3fd5594fab506518c171167805Rik Faith 214288dbee54ed400a3fd5594fab506518c171167805Rik Faith 214388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = s.count; 214488dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < s.count; i++) { 214588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].value = s.data[i].value; 214688dbee54ed400a3fd5594fab506518c171167805Rik Faith switch (s.data[i].type) { 214788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCK: 214888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Lock"; 214988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 215088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 215188dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 215288dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_OPENS: 215388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Opens"; 215488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "O"; 215588dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 215688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 215788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 215888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_CLOSES: 215988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Closes"; 216088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 216188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 216288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 216388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 216488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IOCTLS: 216588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Ioctls"; 216688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ioc/s"; 216788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 216888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 216988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCKS: 217088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Locks"; 217188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lck/s"; 217288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 217388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 217488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_UNLOCKS: 217588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Unlocks"; 217688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Unl/s"; 217788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 217888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 217988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IRQ: 218088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "IRQs"; 218188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "IRQ/s"; 218288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 218388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 218488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_PRIMARY: 218588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Primary Bytes"; 218688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "PB/s"; 218788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 218888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 218988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SECONDARY: 219088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Secondary Bytes"; 219188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "SB/s"; 219288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 219388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 219488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_DMA: 219588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "DMA"; 219688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "DMA/s"; 219788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 219888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 219988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SPECIAL: 220088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Special DMA"; 220188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "dma/s"; 220288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 220388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 220488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_MISSED: 220588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Miss"; 220688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ms/s"; 220788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 220888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 220988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_VALUE: 221088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Value"; 221188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Value"; 221288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 221388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 221488dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_BYTE: 221588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Bytes"; 221688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "B/s"; 221788dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 221888dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 221988dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_COUNT: 222088dbee54ed400a3fd5594fab506518c171167805Rik Faith default: 222188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Count"; 222288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Cnt/s"; 222388dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 222488dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 222588dbee54ed400a3fd5594fab506518c171167805Rik Faith } 222688dbee54ed400a3fd5594fab506518c171167805Rik Faith } 222788dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 222888dbee54ed400a3fd5594fab506518c171167805Rik Faith} 222988dbee54ed400a3fd5594fab506518c171167805Rik Faith 2230d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 223106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Issue a set-version ioctl. 223206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 223306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param fd file descriptor. 223406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param drmCommandIndex command index 223506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param data source pointer of the data to be read and written. 223606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param size size of the data to be read and written. 223706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 223806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return zero on success, or a negative value on failure. 223906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 224006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 224106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * It issues a read-write ioctl given by 224206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 224306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 224422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmSetInterfaceVersion(int fd, drmSetVersion *version) 224506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 224606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int retcode = 0; 224706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drm_set_version_t sv; 224806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 224906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = version->drm_di_major; 225006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_minor = version->drm_di_minor; 225106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = version->drm_dd_major; 225206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_minor = version->drm_dd_minor; 225306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 22548b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { 225506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt retcode = -errno; 225606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 225706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 225806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_major = sv.drm_di_major; 225906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_minor = sv.drm_di_minor; 226006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_major = sv.drm_dd_major; 226106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_minor = sv.drm_dd_minor; 226206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 226306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return retcode; 226406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 226506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 226606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 2267d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific command. 2268d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2269d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2271d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2272d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2273d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2274d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2275d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a ioctl given by 2276d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2277d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 22783903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owenint drmCommandNone(int fd, unsigned long drmCommandIndex) 22793903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 22803903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen void *data = NULL; /* dummy */ 22813903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 22823903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 22833903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex); 22843903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 22858b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 22863903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 22873903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 22883903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 22893903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 22903903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2291d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2292d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2293d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read command. 2294d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2295d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2296d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2297d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data destination pointer of the data to be read. 2298d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read. 2299d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2300d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2301d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2302d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2303d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read ioctl given by 2304d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2305d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 230622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandRead(int fd, unsigned long drmCommandIndex, void *data, 230722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 23083903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 23093903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 23103903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 231174ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE, 231274ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 23133903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23148b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 23153903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 23163903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 23173903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 23183903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 23193903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2320d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2321d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2322d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific write command. 2323d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2324d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2325d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2326d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be written. 2327d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be written. 2328d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2329d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2330d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2331d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2332d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a write ioctl given by 2333d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2334d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 233522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data, 233622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 23373903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 23383903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 23393903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 234074ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE, 234174ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 23423903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23438b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 23443903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 23453903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 23463903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 23473903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 23483903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2349d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2350d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2351d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read-write command. 2352d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2353d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2354d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2355d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be read and written. 2356d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read and written. 2357d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2358d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2359d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2360d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2361d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read-write ioctl given by 2362d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2363d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 236422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, 236522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 23663903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 23673903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 23683903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 236974ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE, 237074ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 23713903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) 23733903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 23743903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 23753903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 2376166da9355d95affe427a6cff3525df60e80a99dfThomas Hellstrom 2377d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie#define DRM_MAX_FDS 16 2378d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic struct { 2379ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian char *BusID; 2380ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2381ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int refcount; 2382d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} connection[DRM_MAX_FDS]; 2383d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2384d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic int nr_fds = 0; 2385d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2386d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlieint drmOpenOnce(void *unused, 2387d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie const char *BusID, 2388d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie int *newlyopened) 2389d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2390ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2391ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2392d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2393ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) 2394ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (strcmp(BusID, connection[i].BusID) == 0) { 2395ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i].refcount++; 2396ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 0; 2397ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return connection[i].fd; 2398ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2399ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian 2400ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fd = drmOpen(unused, BusID); 2401ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd <= 0 || nr_fds == DRM_MAX_FDS) 2402ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2403d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2404ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].BusID = strdup(BusID); 2405ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].fd = fd; 2406ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].refcount = 1; 2407ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 1; 2408d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2409ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (0) 2410ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "saved connection %d for %s %d\n", 2411ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds, connection[nr_fds].BusID, 2412ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian strcmp(BusID, connection[nr_fds].BusID)); 2413d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2414ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds++; 2415d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2416ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2417d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2418d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2419d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlievoid drmCloseOnce(int fd) 2420d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2421ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2422d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2423ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) { 2424ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd == connection[i].fd) { 2425ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (--connection[i].refcount == 0) { 2426ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmClose(connection[i].fd); 2427ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(connection[i].BusID); 2428d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2429ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (i < --nr_fds) 2430ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i] = connection[nr_fds]; 2431d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2432ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 2433ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2434ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2435ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2436d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2437