xf86drm.c revision ddbbdb13d80ea7f60e6f71356a444995b905366b
1d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \file xf86drm.c 3d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * User-level interface to DRM device 4b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * 5d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \author Rickard E. (Rik) Faith <faith@valinux.com> 6d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \author Kevin E. Martin <martin@valinux.com> 7d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 8d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 9d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/* 10569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 11569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 12b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * All Rights Reserved. 13b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * 14b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Permission is hereby granted, free of charge, to any person obtaining a 15b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * copy of this software and associated documentation files (the "Software"), 16b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * to deal in the Software without restriction, including without limitation 17b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * the rights to use, copy, modify, merge, publish, distribute, sublicense, 18b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * and/or sell copies of the Software, and to permit persons to whom the 19b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Software is furnished to do so, subject to the following conditions: 20360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes * 21b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * The above copyright notice and this permission notice (including the next 22b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * paragraph) shall be included in all copies or substantial portions of the 23b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * Software. 24360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes * 25b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 26b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 27b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 28b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 29b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 30b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 31b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss * DEALINGS IN THE SOFTWARE. 32b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss */ 33b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 3479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#ifdef HAVE_CONFIG_H 3579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie# include <config.h> 36b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#endif 3779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdio.h> 3879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdlib.h> 3979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <unistd.h> 4079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <string.h> 41015efd1bfa72ab8b80cc45f11eb22d7f1a1085f7Ian Romanick#include <strings.h> 4279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <ctype.h> 4379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <fcntl.h> 4479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <errno.h> 4579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <signal.h> 46f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes#include <time.h> 4779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/types.h> 4879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/stat.h> 4979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#define stat_t struct stat 5079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/ioctl.h> 5179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/mman.h> 5279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <sys/time.h> 5379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie#include <stdarg.h> 54b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 55b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss/* Not all systems have MAP_FAILED defined */ 56b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#ifndef MAP_FAILED 57b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#define MAP_FAILED ((void *)-1) 58b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#endif 59b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 60b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss#include "xf86drm.h" 61b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 6227c3785d3f12743a9e160238a4d00353060ec2f2Hasso Tepper#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) 63cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 145 64cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#endif 65cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt 66cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifdef __NetBSD__ 67cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 34 6888dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 6988dbee54ed400a3fd5594fab506518c171167805Rik Faith 70b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# ifdef __OpenBSD__ 71b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# define DRM_MAJOR 81 72b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane# endif 73b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 74cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#ifndef DRM_MAJOR 75cfa778af9c70faea8c13e5cb7f80029eee0d074eEric Anholt#define DRM_MAJOR 226 /* Linux */ 7688dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 7788dbee54ed400a3fd5594fab506518c171167805Rik Faith 7822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson/* 7922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This definition needs to be changed on some systems if dev_t is a structure. 8022e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * If there is a header file we can get it from, there would be best. 8122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 82569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#ifndef makedev 83569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) 84569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul#endif 85569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 8656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes#define DRM_MSG_VERBOSITY 3 8756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 88731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes#define DRM_NODE_CONTROL 0 89731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes#define DRM_NODE_RENDER 1 90731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 9179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic drmServerInfoPtr drm_server_info; 9279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 9379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid drmSetServerInfo(drmServerInfoPtr info) 9479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 95ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info = info; 9679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 9779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 98d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 99d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Output a message to stderr. 100d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 101d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param format printf() like format string. 102d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 103d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 104d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around vfprintf(). 105d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 10679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 10779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic int drmDebugPrint(const char *format, va_list ap) 10879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 109ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return vfprintf(stderr, format, ap); 11079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 11179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 11279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airliestatic int (*drm_debug_print)(const char *format, va_list ap) = drmDebugPrint; 11379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 114c4857429c716f35e1fa054d1990cae28055d96d7Eric Anholtvoid 11556bd9c207770d41a497f3e8237a1099dd9d4cd91David DawesdrmMsg(const char *format, ...) 11656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes{ 11756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_list ap; 11856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes const char *env; 11979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) || drm_server_info) 12056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes { 12156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_start(ap, format); 12279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 12379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_server_info->debug_print(format,ap); 12479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } else { 12579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie drm_debug_print(format, ap); 12679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 12756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes va_end(ap); 12856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 12956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes} 13056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 13179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid 13279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmSetDebugMsgFunction(int (*debug_msg_ptr)(const char *format, va_list ap)) 13379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 134ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_debug_print = debug_msg_ptr; 13579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 13679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 137b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void *drmHashTable = NULL; /* Context switch callbacks */ 138b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 13979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlievoid *drmGetHashTable(void) 14079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie{ 141ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return drmHashTable; 14279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie} 143b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 144b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid *drmMalloc(int size) 145b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 146b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *pt; 147ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((pt = malloc(size))) 148ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian memset(pt, 0, size); 149b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return pt; 150b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 151b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 152b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFree(void *pt) 153b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 154ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (pt) 155ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(pt); 156b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 157b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1588b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard/** 1598b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard * Call ioctl, restarting if it is interupted 1608b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard */ 161731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint 16241b83a99583486ad4f8760a6537d34783769bfc3Coleman KanedrmIoctl(int fd, unsigned long request, void *arg) 1638b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard{ 1648b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard int ret; 1658b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard 1668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard do { 1678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard ret = ioctl(fd, request, arg); 1688b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); 1698b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return ret; 1708b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard} 171b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 172b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic unsigned long drmGetKeyFromFd(int fd) 173b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 174fcc21069b7019a4a93e1ceacc175ccd682353861David Dawes stat_t st; 175b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 176b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss st.st_rdev = 0; 177b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fstat(fd, &st); 178b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return st.st_rdev; 179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 18179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave AirliedrmHashEntry *drmGetEntry(int fd) 182b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry; 186b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 187ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!drmHashTable) 188ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmHashTable = drmHashCreate(); 189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashLookup(drmHashTable, key, &value)) { 191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = drmMalloc(sizeof(*entry)); 192b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = fd; 193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = drmHashCreate(); 195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(drmHashTable, key, entry); 196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } else { 197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry = value; 198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return entry; 200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 202d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 20306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Compare two busid strings 20406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 20506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param first 20606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param second 20706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 20806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return 1 if matched. 20906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 21006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 21106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * This function compares two bus ID strings. It understands the older 21206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * PCI:b:d:f format and the newer pci:oooo:bb:dd.f format. In the format, o is 21306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * domain, b is bus, d is device, f is function. 21406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 215b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidtstatic int drmMatchBusID(const char *id1, const char *id2, int pci_domain_ok) 21606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 21706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* First, check if the IDs are exactly the same */ 21806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strcasecmp(id1, id2) == 0) 21906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 22006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 22106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Try to match old/new-style PCI bus IDs. */ 22206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (strncasecmp(id1, "pci", 3) == 0) { 22390ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o1, b1, d1, f1; 22490ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen unsigned int o2, b2, d2, f2; 22506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int ret; 22606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 22790ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "pci:%04x:%02x:%02x.%u", &o1, &b1, &d1, &f1); 22806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 22906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o1 = 0; 23090ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id1, "PCI:%u:%u:%u", &b1, &d1, &f1); 23106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 23206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 23306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 23406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 23590ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "pci:%04x:%02x:%02x.%u", &o2, &b2, &d2, &f2); 23606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 4) { 23706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt o2 = 0; 23890ae0f2bb8d53500f5c9d06e2dc1a18d5a5d0cf5Pauli Nieminen ret = sscanf(id2, "PCI:%u:%u:%u", &b2, &d2, &f2); 23906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (ret != 3) 24006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 24106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 24206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 243b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* If domains aren't properly supported by the kernel interface, 244b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * just ignore them, which sucks less than picking a totally random 245b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * card with "open by name" 246b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 247b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (!pci_domain_ok) 248b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt o1 = o2 = 0; 249b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt 25006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if ((o1 != o2) || (b1 != b2) || (d1 != d2) || (f1 != f2)) 25106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 25206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt else 25306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 1; 25406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 25506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return 0; 25606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 25706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 25806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 259c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Handles error checking for chown call. 260c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 261c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param path to file. 262c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new owner. 263c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \param id of the new group. 264c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 265c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \return zero if success or -1 if failure. 266c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * 267c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * \internal 268c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * Checks for failure. If failure was caused by signal call chown again. 269c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * If any other failure happened then it will output error mesage using 270c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen * drmMsg() call. 271c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen */ 272c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminenstatic int chown_check_return(const char *path, uid_t owner, gid_t group) 273c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen{ 274c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen int rv; 275c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 276c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen do { 277c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen rv = chown(path, owner, group); 278c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen } while (rv != 0 && errno == EINTR); 279c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 280c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen if (rv == 0) 281c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen return 0; 282c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 283c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen drmMsg("Failed to change owner or group for file %s! %d: %s\n", 284c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen path, errno, strerror(errno)); 285c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen return -1; 286c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen} 287c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen 288c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen/** 289d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device, creating it if necessary. 290d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 291d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param dev major and minor numbers of the device. 292d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor minor number of the device. 293d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 294d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 295d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 296d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 297d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assembles the device name from \p minor and opens it, creating the device 298d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * special file node with the major and minor numbers specified by \p dev and 299d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parent directory if necessary and was called by root. 300d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 301731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesstatic int drmOpenDevice(long dev, int minor, int type) 302b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 3039c775d0b2f303389c24aea5e8abc1473f0cf93e8David Dawes stat_t st; 30488dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 30588dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 30679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie mode_t devmode = DRM_DEV_MODE, serv_mode; 30788dbee54ed400a3fd5594fab506518c171167805Rik Faith int isroot = !geteuid(); 30888dbee54ed400a3fd5594fab506518c171167805Rik Faith uid_t user = DRM_DEV_UID; 30979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie gid_t group = DRM_DEV_GID, serv_group; 31079038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 311731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes sprintf(buf, type ? DRM_DEV_NAME : DRM_CONTROL_DEV_NAME, DRM_DIR_NAME, minor); 31206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenDevice: node name is %s\n", buf); 31356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes 31479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 315ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drm_server_info->get_perms(&serv_group, &serv_mode); 316ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode = serv_mode ? serv_mode : DRM_DEV_MODE; 317ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); 318ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian group = (serv_group >= 0) ? serv_group : DRM_DEV_GID; 31979038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 320569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 3219101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#if !defined(UDEV) 32288dbee54ed400a3fd5594fab506518c171167805Rik Faith if (stat(DRM_DIR_NAME, &st)) { 323ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 324ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 325b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE); 326c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(DRM_DIR_NAME, 0, 0); /* root:root */ 327b3a20ce219b353aa3e2b7f3b47ffd28b279557c7Alan Hourihane chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE); 328569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 329b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 33006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node exists and create it if necessary. */ 331d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (stat(buf, &st)) { 332ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 333ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 33488dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 33588dbee54ed400a3fd5594fab506518c171167805Rik Faith mknod(buf, S_IFCHR | devmode, dev); 336b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 33779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie 33879038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 339c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 340ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 34179038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 3429101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#else 3439101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie /* if we modprobed then wait for udev */ 3449101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie { 3459101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie int udev_count = 0; 3469101a0205c897fea28e6a3d875111a83ad7f7732Dave Airliewait_for_udev: 3479101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(DRM_DIR_NAME, &st)) { 3489101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3499101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3509101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3519101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3529101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3539101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3549101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3559101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3569101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (stat(buf, &st)) { 3579101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie usleep(20); 3589101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie udev_count++; 3599101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie 3609101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie if (udev_count == 50) 3619101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie return -1; 3629101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie goto wait_for_udev; 3639101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3649101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie } 3659101a0205c897fea28e6a3d875111a83ad7f7732Dave Airlie#endif 36688dbee54ed400a3fd5594fab506518c171167805Rik Faith 36756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd = open(buf, O_RDWR, 0); 36856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: open result is %d, (%s)\n", 36956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes fd, fd < 0 ? strerror(errno) : "OK"); 370ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 371ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 372d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 37339e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#if !defined(UDEV) 37406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* Check if the device node is not what we expect it to be, and recreate it 37506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * and try again if so. 37606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 377d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt if (st.st_rdev != dev) { 378ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!isroot) 379ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return DRM_ERR_NOT_ROOT; 380d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt remove(buf); 381d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt mknod(buf, S_IFCHR | devmode, dev); 38279038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (drm_server_info) { 383c5a5bbbe899400642795c1d95aef78deade9241fPauli Nieminen chown_check_return(buf, user, group); 384ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian chmod(buf, devmode); 38579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie } 386d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt } 387d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd = open(buf, O_RDWR, 0); 388d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt drmMsg("drmOpenDevice: open result is %d, (%s)\n", 389d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt fd, fd < 0 ? strerror(errno) : "OK"); 390ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd >= 0) 391ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 392d2f2b42f1d206fd248ada48ce2c498e31351ab33Eric Anholt 39356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenDevice: Open failed\n"); 39488dbee54ed400a3fd5594fab506518c171167805Rik Faith remove(buf); 39539e5e982242cd2b611a9dfc1e9b63f857d52da61Dave Airlie#endif 39688dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 397b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 398b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 399d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 400d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 401d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device 402d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 403d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param minor device minor number. 404d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param create allow to create the device if set. 405d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 406d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 407d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 408d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 409d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Calls drmOpenDevice() if \p create is set, otherwise assembles the device 410d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * name from \p minor and opens it. 411d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 412731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesstatic int drmOpenMinor(int minor, int create, int type) 41388dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 41488dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 41588dbee54ed400a3fd5594fab506518c171167805Rik Faith char buf[64]; 416db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 417ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (create) 418731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenDevice(makedev(DRM_MAJOR, minor), minor, type); 41988dbee54ed400a3fd5594fab506518c171167805Rik Faith 420731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes sprintf(buf, type ? DRM_DEV_NAME : DRM_CONTROL_DEV_NAME, DRM_DIR_NAME, minor); 421ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if ((fd = open(buf, O_RDWR, 0)) >= 0) 422ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 42388dbee54ed400a3fd5594fab506518c171167805Rik Faith return -errno; 42488dbee54ed400a3fd5594fab506518c171167805Rik Faith} 42588dbee54ed400a3fd5594fab506518c171167805Rik Faith 426569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 427d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 428d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine whether the DRM kernel driver has been loaded. 429d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 430d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return 1 if the DRM driver is loaded, 0 otherwise. 431d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 432d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 433d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Determine the presence of the kernel driver by attempting to open the 0 434d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * minor and get version information. For backward compatibility with older 435d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Linux implementations, /proc/dri is also checked. 436d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 437569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulint drmAvailable(void) 438569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul{ 439569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul drmVersionPtr version; 440569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int retval = 0; 441569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul int fd; 442360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 443731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes if ((fd = drmOpenMinor(0, 1, DRM_NODE_RENDER)) < 0) { 444b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#ifdef __linux__ 44522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Try proc for backward Linux compatibility */ 446ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!access("/proc/dri/0", R_OK)) 447ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 1; 448b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane#endif 44988dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 450569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 45188dbee54ed400a3fd5594fab506518c171167805Rik Faith 45288dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 45388dbee54ed400a3fd5594fab506518c171167805Rik Faith retval = 1; 45488dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 45588dbee54ed400a3fd5594fab506518c171167805Rik Faith } 45688dbee54ed400a3fd5594fab506518c171167805Rik Faith close(fd); 457569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 458569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul return retval; 459569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul} 460569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul 461d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 462d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 463d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by bus ID. 464d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 465d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. 466d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 467d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 468d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 469d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 470d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function attempts to open every possible minor (up to DRM_MAX_MINOR), 471d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * comparing the device bus ID with the one supplied. 472d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 473d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor() and drmGetBusid(). 474d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 475e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Straussstatic int drmOpenByBusid(const char *busid) 476e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss{ 477b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt int i, pci_domain_ok = 1; 47888dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 47988dbee54ed400a3fd5594fab506518c171167805Rik Faith const char *buf; 48006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmSetVersion sv; 48106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 48206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drmMsg("drmOpenByBusid: Searching for BusID %s\n", busid); 483db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie for (i = 0; i < DRM_MAX_MINOR; i++) { 484731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes fd = drmOpenMinor(i, 1, DRM_NODE_RENDER); 48556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmOpenMinor returns %d\n", fd); 48656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (fd >= 0) { 487b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt /* We need to try for 1.4 first for proper PCI domain support 488b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt * and if that fails, we know the kernel is busted 489b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt */ 49006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = 1; 491b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 4; 49206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = -1; /* Don't care */ 49326462b9aa47179e724e78f0b3b1c86fd07f61d8dEric Anholt sv.drm_dd_minor = -1; /* Don't care */ 494b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (drmSetInterfaceVersion(fd, &sv)) { 495b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#ifndef __alpha__ 496b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt pci_domain_ok = 0; 497b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt#endif 498b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_major = 1; 499b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_di_minor = 1; 500b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_major = -1; /* Don't care */ 501b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt sv.drm_dd_minor = -1; /* Don't care */ 502b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt drmMsg("drmOpenByBusid: Interface 1.4 failed, trying 1.1\n",fd); 503b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt drmSetInterfaceVersion(fd, &sv); 504b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt } 505e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss buf = drmGetBusid(fd); 50656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmOpenByBusid: drmGetBusid reports %s\n", buf); 507b04515c5d6c95f573457a94267b855cceb639105Benjamin Herrenschmidt if (buf && drmMatchBusID(buf, busid, pci_domain_ok)) { 50888dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeBusid(buf); 50988dbee54ed400a3fd5594fab506518c171167805Rik Faith return fd; 510e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 511ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (buf) 512ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmFreeBusid(buf); 513e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss close(fd); 514e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 515e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss } 516e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss return -1; 517e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss} 518e1dba5c3a73078dec24f07a6d685435677db94a4Daryll Strauss 519d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 520d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 521d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the device by name. 522d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 523d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. 524d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 525d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 526d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 527d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 528d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function opens the first minor number that matches the driver name and 529d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * isn't already in use. If it's in use it then it will already have a bus ID 530d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * assigned. 531d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 532d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drmOpenMinor(), drmGetVersion() and drmGetBusid(). 533d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 534b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussstatic int drmOpenByName(const char *name) 535b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss{ 53688dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 53788dbee54ed400a3fd5594fab506518c171167805Rik Faith int fd; 53888dbee54ed400a3fd5594fab506518c171167805Rik Faith drmVersionPtr version; 53956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes char * id; 54088dbee54ed400a3fd5594fab506518c171167805Rik Faith 541db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie if (!drmAvailable()) { 542db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie if (!drm_server_info) { 543db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie return -1; 544db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie } 545db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie else { 546db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie /* try to load the kernel module now */ 547db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie if (!drm_server_info->load_module(name)) { 548db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 549db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie return -1; 550db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie } 551db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie } 552db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie } 553db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie 55456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes /* 55556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * Open the first minor number that matches the driver name and isn't 55656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes * already in use. If it's in use it will have a busid assigned already. 55756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes */ 558db85ed25afc616acfaadb21facf6066354f9d490Dave Airlie for (i = 0; i < DRM_MAX_MINOR; i++) { 559731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes if ((fd = drmOpenMinor(i, 1, DRM_NODE_RENDER)) >= 0) { 56088dbee54ed400a3fd5594fab506518c171167805Rik Faith if ((version = drmGetVersion(fd))) { 56188dbee54ed400a3fd5594fab506518c171167805Rik Faith if (!strcmp(version->name, name)) { 56288dbee54ed400a3fd5594fab506518c171167805Rik Faith drmFreeVersion(version); 56356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes id = drmGetBusid(fd); 56456bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmMsg("drmGetBusid returned '%s'\n", id ? id : "NULL"); 56556bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes if (!id || !*id) { 56622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (id) 56756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 56856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return fd; 56956bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 57056bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeBusid(id); 57156bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 57256bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } else { 57356bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes drmFreeVersion(version); 57488dbee54ed400a3fd5594fab506518c171167805Rik Faith } 57588dbee54ed400a3fd5594fab506518c171167805Rik Faith } 57656bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes close(fd); 57788dbee54ed400a3fd5594fab506518c171167805Rik Faith } 578b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 579b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 58088dbee54ed400a3fd5594fab506518c171167805Rik Faith#ifdef __linux__ 58122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* Backward-compatibility /proc support */ 582b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (i = 0; i < 8; i++) { 58388dbee54ed400a3fd5594fab506518c171167805Rik Faith char proc_name[64], buf[512]; 58488dbee54ed400a3fd5594fab506518c171167805Rik Faith char *driver, *pt, *devstring; 58588dbee54ed400a3fd5594fab506518c171167805Rik Faith int retcode; 58688dbee54ed400a3fd5594fab506518c171167805Rik Faith 5870371c290a12f75d36c9c1e7c947bf98fe210908bDaryll Strauss sprintf(proc_name, "/proc/dri/%d/name", i); 588b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if ((fd = open(proc_name, 0, 0)) >= 0) { 589b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss retcode = read(fd, buf, sizeof(buf)-1); 590b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss close(fd); 591b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (retcode) { 592b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss buf[retcode-1] = '\0'; 593b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (driver = pt = buf; *pt && *pt != ' '; ++pt) 594b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 59522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson if (*pt) { /* Device is next */ 596b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss *pt = '\0'; 597b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (!strcmp(driver, name)) { /* Match */ 598b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss for (devstring = ++pt; *pt && *pt != ' '; ++pt) 599b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss ; 600b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss if (*pt) { /* Found busid */ 60188dbee54ed400a3fd5594fab506518c171167805Rik Faith return drmOpenByBusid(++pt); 60222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson } else { /* No busid */ 603731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenDevice(strtol(devstring, NULL, 0),i, DRM_NODE_RENDER); 604b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 605b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 606b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 607b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 608569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paul } 609b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss } 61088dbee54ed400a3fd5594fab506518c171167805Rik Faith#endif 61188dbee54ed400a3fd5594fab506518c171167805Rik Faith 612b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return -1; 613b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss} 614b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 615b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss 616d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 617d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Open the DRM device. 618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Looks up the specified name and bus ID, and opens the device found. The 620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * entry in /dev/dri is created if necessary and if called by root. 621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param name driver name. Not referenced if bus ID is supplied. 623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID. Zero if not known. 624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a file descriptor on success, or a negative value on error. 626d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 627d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 628d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It calls drmOpenByBusid() if \p busid is specified or drmOpenByName() 629d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * otherwise. 630d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 631b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmOpen(const char *name, const char *busid) 632b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 63379038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drmAvailable() && name != NULL && drm_server_info) { 63406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt /* try to load the kernel */ 63579038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie if (!drm_server_info->load_module(name)) { 636ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmMsg("[drm] failed to load kernel module \"%s\"\n", name); 63706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 63806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 63906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 64006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 64106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (busid) { 642ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd = drmOpenByBusid(busid); 64306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (fd >= 0) 64406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return fd; 64506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 64622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 64706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt if (name) 64806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return drmOpenByName(name); 64922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 65006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return -1; 651b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 652b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 653731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmOpenControl(int minor) 654731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 655731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes return drmOpenMinor(minor, 0, DRM_NODE_CONTROL); 656731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 657d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 658d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 659d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the version information returned by drmGetVersion(). 660d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 661d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 662d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 663d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 664d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It frees the memory pointed by \p %v as well as all the non-null strings 665d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * pointers in it. 666d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 667b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussvoid drmFreeVersion(drmVersionPtr v) 668b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 669ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 670ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 6719d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 6729d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 6739d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 674b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 675b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 676b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 677d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 678d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 679d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the non-public version information returned by the kernel. 680d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 681d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param v pointer to the version information. 682d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 683d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 684d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to free the memory pointed by \p %v as well as all 685d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the non-null strings pointers in it. 686d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 687b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussstatic void drmFreeKernelVersion(drm_version_t *v) 688b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 689ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!v) 690ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 6919d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->name); 6929d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->date); 6939d8ba2d0d479f53b996c0a0e366acfee52daab3bJakob Bornecrantz drmFree(v->desc); 694b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(v); 695b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 696b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 697d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 698d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 699d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Copy version information. 700d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param d destination pointer. 702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param s source pointer. 703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 704d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 705d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by drmGetVersion() to translate the information returned by the ioctl 706d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * interface in a private structure into the public structure counterpart. 707d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 708569da5a42ebf10c86d6c6ba81866a888e1c708dcBrian Paulstatic void drmCopyVersion(drmVersionPtr d, const drm_version_t *s) 709b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 710b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_major = s->version_major; 711b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_minor = s->version_minor; 712b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->version_patchlevel = s->version_patchlevel; 713b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->name_len = s->name_len; 7140a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->name = strdup(s->name); 715b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->date_len = s->date_len; 7160a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->date = strdup(s->date); 717b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss d->desc_len = s->desc_len; 7180a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson d->desc = strdup(s->desc); 719b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 720b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 721b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 722d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 723d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Query the driver version information. 724d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 725d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 726d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 727d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return pointer to a drmVersion structure which should be freed with 728d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * drmFreeVersion(). 729d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 730d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note Similar information is available via /proc/dri. 731d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 732d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 733d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It gets the version information via successive DRM_IOCTL_VERSION ioctls, 734d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * first with zeros to get the string lengths, and then the actually strings. 735d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It also null-terminates them since they might not be already. 736d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 737b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmVersionPtr drmGetVersion(int fd) 738b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 739b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmVersionPtr retval; 740b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_version_t *version = drmMalloc(sizeof(*version)); 741b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 742b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name_len = 0; 743b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = NULL; 744b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date_len = 0; 745b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = NULL; 746b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc_len = 0; 747b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = NULL; 748360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 7498b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 750b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 751b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 752b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 753b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 754b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) 755b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->name = drmMalloc(version->name_len + 1); 756b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) 757b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->date = drmMalloc(version->date_len + 1); 758b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) 759b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss version->desc = drmMalloc(version->desc_len + 1); 760360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 7618b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { 762b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno)); 763b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 764b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 765b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 766b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 76722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* The results might not be null-terminated strings, so terminate them. */ 768b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->name_len) version->name[version->name_len] = '\0'; 769b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->date_len) version->date[version->date_len] = '\0'; 770b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (version->desc_len) version->desc[version->desc_len] = '\0'; 771b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 772b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 773b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmCopyVersion(retval, version); 774b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFreeKernelVersion(version); 775b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 776b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 777b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 7783903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 779d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 780d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get version information for the DRM user space library. 781d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 782d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This version number is driver independent. 783d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 784d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 785d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 786d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return version information. 787d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 788d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 789d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function allocates and fills a drm_version structure with a hard coded 790d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * version number. 791d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 7923903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens OwendrmVersionPtr drmGetLibVersion(int fd) 7933903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 7943903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen drm_version_t *version = drmMalloc(sizeof(*version)); 7953903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 7963903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen /* Version history: 79779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * NOTE THIS MUST NOT GO ABOVE VERSION 1.X due to drivers needing it 7983903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.0.x = original DRM interface with no drmGetLibVersion 7993903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * entry point and many drm<Device> extensions 8003903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * revision 1.1.x = added drmCommand entry points for device extensions 8013903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen * added drmGetLibVersion to identify libdrm.a version 80206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * revision 1.2.x = added drmSetInterfaceVersion 80306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * modified drmOpen to handle both busid and name 80479038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie * revision 1.3.x = added server + memory manager 8053903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen */ 80679038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_major = 1; 80779038751ffe47ed1ce82766e027d98fd2f0e2c6aDave Airlie version->version_minor = 3; 8083903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen version->version_patchlevel = 0; 8093903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 8103903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return (drmVersionPtr)version; 8113903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 8123903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 8135c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggsint drmGetCap(int fd, uint64_t capability, uint64_t *value) 8145c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs{ 8155c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs struct drm_get_cap cap = { capability, 0 }; 8165c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs int ret; 8175c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 8185c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs ret = drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap); 8195c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs if (ret) 8205c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs return ret; 8215c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs 8225c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs *value = cap.value; 8233b04c73650b5e9bbcb602fdb8cea0b16ad82d0c0Dave Airlie return 0; 8245c6c6913d1260024e5d156db7973c9e46fe1ff03Ben Skeggs} 825d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 826ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiauint drmSetClientCap(int fd, uint64_t capability, uint64_t value) 827ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau{ 828ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau struct drm_set_client_cap cap = { capability, value }; 829ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 830ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau return drmIoctl(fd, DRM_IOCTL_SET_CLIENT_CAP, &cap); 831ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau} 832ddbbdb13d80ea7f60e6f71356a444995b905366bDamien Lespiau 833d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free the bus ID information. 835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 836d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID information string as given by drmGetBusid(). 837d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 838d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 839d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is just frees the memory pointed by \p busid. 840d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 841b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussvoid drmFreeBusid(const char *busid) 842b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 843b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drmFree((void *)busid); 844b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 845b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 846d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 847d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 848d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get the bus ID of the device. 849d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 850d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 851d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 852d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return bus ID string. 853d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 854d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 855d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function gets the bus ID via successive DRM_IOCTL_GET_UNIQUE ioctls to 856d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * get the string length and data, passing the arguments in a drm_unique 857d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * structure. 858d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 859b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strausschar *drmGetBusid(int fd) 860b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 861b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 862b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 863b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = 0; 864b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = NULL; 865b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8668b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 867ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 868b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = drmMalloc(u.unique_len + 1); 8698b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) 870ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 871b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique[u.unique_len] = '\0'; 87206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 873b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss return u.unique; 874b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 875b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 876d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 877d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 878d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the bus ID of the device. 879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busid bus ID string. 882d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, negative on failure. 884d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 885d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 886d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_SET_UNIQUE ioctl, passing 887d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_unique structure. 888d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 889b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmSetBusid(int fd, const char *busid) 890b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 891b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss drm_unique_t u; 892b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 893b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique = (char *)busid; 894b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Strauss u.unique_len = strlen(busid); 895b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 8968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { 89756bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes return -errno; 89856bd9c207770d41a497f3e8237a1099dd9d4cd91David Dawes } 899b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 900b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 901b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9028696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMagic(int fd, drm_magic_t * magic) 903b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 904b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 905b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 906b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = 0; 9078b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) 908ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 909b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *magic = auth.magic; 910b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 911b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 912b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9138696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAuthMagic(int fd, drm_magic_t magic) 914b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 915b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_auth_t auth; 916b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 917b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss auth.magic = magic; 9188b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) 919ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 920b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 921b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 922b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 923d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 924d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Specifies a range of memory that is available for mapping by a 925d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * non-root process. 926d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 927d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 928d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset usually the physical address. The actual meaning depends of 929d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the \p type parameter. See below. 930d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size of the memory in bytes. 931d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of the memory to be mapped. 932d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags combination of several flags to modify the function actions. 933d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle will be set to a value that may be used as the offset 934d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * parameter for mmap(). 935d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 936d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success or a negative value on error. 937d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 938d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the frame buffer 939d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the frame buffer 940d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the frame buffer, 941d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the frame buffer in bytes, and 942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_FRAME_BUFFER. 943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. If MTRR support is available in the 946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel, the frame buffer area will be set to write combining. 947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 948d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the MMIO register area 949d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the MMIO register area, 950d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be the physical address of the start of the register area, 951d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the size of the register area bytes, and 952d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_REGISTERS. 953d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 954d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * The area mapped will be uncached. 955d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 956d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par Mapping the SAREA 957d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * For the SAREA, 958d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p offset will be ignored and should be set to zero, 959d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p size will be the desired size of the SAREA in bytes, 960d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * - \p type will be DRM_SHM. 961d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 962d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \par 963d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * A shared memory area of the requested size will be created and locked in 964d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * kernel memory. This area may be mapped into client-space by using the handle 965d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returned. 966d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 967d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 968d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 969d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 970d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_MAP ioctl, passing 971d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_map structure. 972d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 97322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type, 97422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drmMapFlags flags, drm_handle_t *handle) 975b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 976b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_map_t map; 977b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 978b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.offset = offset; 979b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.size = size; 980b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.handle = 0; 981b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.type = type; 982b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss map.flags = flags; 9838b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map)) 984ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 985ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 986961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 987b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 988b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 989b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 9908696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmRmMap(int fd, drm_handle_t handle) 99174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 99274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_map_t map; 99374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 994961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 99574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 9968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map)) 997ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 99874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 99974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 100074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 1001d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1002d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Make buffers available for DMA transfers. 1003d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1004d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1005d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers. 1006d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of each buffer. 1007d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags buffer allocation flags. 1008d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param agp_offset offset in the AGP aperture 1009d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1010d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return number of buffers allocated, negative on error. 1011d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1012d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1013d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around DRM_IOCTL_ADD_BUFS ioctl. 1014d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1015d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \sa drm_buf_desc. 1016d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1017ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAddBufs(int fd, int count, int size, drmBufDescFlags flags, 1018ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann int agp_offset) 1019b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1020b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_desc_t request; 1021360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1022b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1023b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.size = size; 1024b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.low_mark = 0; 1025b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.high_mark = 0; 1026b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.flags = flags; 1027ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann request.agp_start = agp_offset; 1028360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 10298b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request)) 1030ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1031b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return request.count; 1032b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1033b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1034b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmMarkBufs(int fd, double low, double high) 1035b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1036b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1037b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1038b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1039b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.count = 0; 1040b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list = NULL; 1041b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 10428b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1043ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1044b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1045ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!info.count) 1046ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1047360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1048b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1049b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return -ENOMEM; 1050360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 10518b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1052b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1053b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1054b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1055b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1056360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1057b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1058b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].low_mark = low * info.list[i].count; 1059b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list[i].high_mark = high * info.list[i].count; 10608b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { 1061b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int retval = -errno; 1062b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1063b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1064b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1065b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1066b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1067360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1068b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1069b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1070b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1071d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1072d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free buffers. 1073d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1074d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param count number of buffers to free. 1076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param list list of buffers to be freed. 1077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1078d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note This function is primarily used for debugging. 1081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1083d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_FREE_BUFS ioctl, passing 1084d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the arguments in a drm_buf_free structure. 1085d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1086b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFreeBufs(int fd, int count, int *list) 1087b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1088b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_free_t request; 1089b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1090b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.count = count; 1091b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss request.list = list; 10928b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request)) 1093ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1094b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1095b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1096b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1097d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1098d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1099d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Close the device. 1100d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1101d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1102d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1103d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1104d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function closes the file descriptor. 1105d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1106b6a28bfe98f2c89cfb91079bd3c7b63fb0144eb1Daryll Straussint drmClose(int fd) 1107b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1108b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss unsigned long key = drmGetKeyFromFd(fd); 1109b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 1110b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1111b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDestroy(entry->tagTable); 1112b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->fd = 0; 1113b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->f = NULL; 1114b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss entry->tagTable = NULL; 1115b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1116b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(drmHashTable, key); 1117b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(entry); 1118b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1119b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return close(fd); 1120b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1121b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1122d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1123d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1124d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map a region of memory. 1125d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1126d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1127d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle returned by drmAddMap(). 1128d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmAddMap(). 1129d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address will contain the user-space virtual address where the mapping 1130d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * begins. 1131d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1132d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1133d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1134d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1135d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper for mmap(). 1136d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 113722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address) 1138b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1139c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane static unsigned long pagesize_mask = 0; 1140c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1141ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd < 0) 1142ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -EINVAL; 1143c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1144c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane if (!pagesize_mask) 1145c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane pagesize_mask = getpagesize() - 1; 1146c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1147c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane size = (size + pagesize_mask) & ~pagesize_mask; 1148c7558d8fa4df805b7f7ff3d631432eadac9b8a1cAlan Hourihane 1149b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *address = mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle); 1150ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (*address == MAP_FAILED) 1151ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1152b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1153b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1154b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1155d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1156d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1157d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap mappings obtained with drmMap(). 1158d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1159d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address address as given by drmMap(). 1160d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size in bytes. Must match the size used by drmMap(). 1161d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1162d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1163d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1164d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 116522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * This function is a wrapper for munmap(). 1166d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1167b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmap(drmAddress address, drmSize size) 1168b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1169b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return munmap(address, size); 1170b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1171b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1172b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufInfoPtr drmGetBufInfo(int fd) 1173b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1174b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_info_t info; 1175b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufInfoPtr retval; 1176b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1177b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1178b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.count = 0; 1179b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss info.list = NULL; 1180b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 11818b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) 1182ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1183b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1184b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (info.count) { 1185b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) 1186b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1187360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 11888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { 1189b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1190b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1191b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 119222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1193b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1194b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = info.count; 1195b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(info.count * sizeof(*retval->list)); 1196b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < info.count; i++) { 1197b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].count = info.list[i].count; 1198b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].size = info.list[i].size; 1199b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].low_mark = info.list[i].low_mark; 1200b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].high_mark = info.list[i].high_mark; 1201b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1202b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(info.list); 1203b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1204b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1205b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1206b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1207b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1208d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1209d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Map all DMA buffers into client-virtual space. 1210d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1211d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1212d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1213d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return a pointer to a ::drmBufMap structure. 1214d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1215d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note The client may not use these buffers until obtaining buffer indices 1216d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with drmDMA(). 1217d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1218d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1219d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function calls the DRM_IOCTL_MAP_BUFS ioctl and copies the returned 1220d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * information about the buffers in a drm_buf_map structure into the 1221d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * client-visible data structures. 1222d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1223b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll StraussdrmBufMapPtr drmMapBufs(int fd) 1224b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1225b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_buf_map_t bufs; 1226b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmBufMapPtr retval; 1227b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1228360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1229b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss bufs.count = 0; 1230b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss bufs.list = NULL; 12318696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl bufs.virtual = NULL; 12328b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) 1233ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1234b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1235ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!bufs.count) 1236ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 12378696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1238b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list)))) 1239b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1240b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 12418b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { 1242b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(bufs.list); 1243b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1244b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 124522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson 1246b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval = drmMalloc(sizeof(*retval)); 1247b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->count = bufs.count; 1248b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list = drmMalloc(bufs.count * sizeof(*retval->list)); 1249b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs.count; i++) { 1250b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].idx = bufs.list[i].idx; 1251b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].total = bufs.list[i].total; 1252b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].used = 0; 1253b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss retval->list[i].address = bufs.list[i].address; 1254b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 12558696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 12568696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs.list); 12578696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1258b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1259b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1260b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1261d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1262d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1263d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unmap buffers allocated with drmMapBufs(). 1264d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1265d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or negative value on failure. 1266d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1267d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 12688696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * Calls munmap() for every buffer stored in \p bufs and frees the 12698696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl * memory allocated by drmMapBufs(). 1270d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1271b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmUnmapBufs(drmBufMapPtr bufs) 1272b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1273b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1274360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1275b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss for (i = 0; i < bufs->count; i++) { 1276b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss munmap(bufs->list[i].address, bufs->list[i].total); 1277b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 12788696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 12798696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs->list); 12808696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmFree(bufs); 12818696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl 1282b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1283b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1284b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1285d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1286360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes#define DRM_DMA_RETRY 16 1287360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1288d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1289d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Reserve DMA buffers. 1290d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1291d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1292d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param request 1293d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1294d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1295d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1296d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1297d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Assemble the arguments into a drm_dma structure and keeps issuing the 1298d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * DRM_IOCTL_DMA ioctl until success or until maximum number of retries. 1299d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1300b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmDMA(int fd, drmDMAReqPtr request) 1301b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1302b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_dma_t dma; 1303360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes int ret, i = 0; 1304b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1305b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.context = request->context; 1306b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_count = request->send_count; 1307b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_indices = request->send_list; 1308b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.send_sizes = request->send_sizes; 1309b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.flags = request->flags; 1310b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_count = request->request_count; 1311b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_size = request->request_size; 1312b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_indices = request->request_list; 1313b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss dma.request_sizes = request->request_sizes; 13148696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl dma.granted_count = 0; 1315360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1316360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes do { 1317360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes ret = ioctl( fd, DRM_IOCTL_DMA, &dma ); 1318360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY ); 1319360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1320360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes if ( ret == 0 ) { 1321360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes request->granted_count = dma.granted_count; 1322360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return 0; 1323360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } else { 1324360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes return -errno; 1325360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes } 1326b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1327b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1328d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1329d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1330d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Obtain heavyweight hardware lock. 1331d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1332d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1333d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1334d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param flags flags that determine the sate of the hardware when the function 1335d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * returns. 1336d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1337d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return always zero. 1338d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1339d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1340d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function translates the arguments into a drm_lock structure and issue 1341d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the DRM_IOCTL_LOCK ioctl until the lock is successfully acquired. 1342d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 13438696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetLock(int fd, drm_context_t context, drmLockFlags flags) 1344b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1345b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1346b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1347b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1348b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 1349b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 1350b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 1351b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 1352b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 1353b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 1354b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 1355360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 13568b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock)) 1357b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ; 1358b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1359b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1360b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1361d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1362d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the hardware lock. 1363d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1364d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1365d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param context context. 1366d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1367d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1368d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1369d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1370d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_UNLOCK ioctl, passing the 1371d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_lock structure. 1372d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 13738696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmUnlock(int fd, drm_context_t context) 1374b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1375b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 1376b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1377b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 1378b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 13798b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock); 1380b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1381b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 138222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksondrm_context_t *drmGetReservedContextList(int fd, int *count) 1383b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1384b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_res_t res; 1385b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t *list; 13868696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drm_context_t * retval; 1387b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss int i; 1388b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1389b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.count = 0; 1390b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = NULL; 13918b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1392ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1393b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1394ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!res.count) 1395ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1396b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1397ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (!(list = drmMalloc(res.count * sizeof(*list)))) 1398ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1399b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (!(retval = drmMalloc(res.count * sizeof(*retval)))) { 1400b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1401b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return NULL; 1402b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 1403b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1404b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss res.contexts = list; 14058b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) 1406ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 1407b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1408ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < res.count; i++) 1409ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian retval[i] = list[i].handle; 1410b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(list); 1411b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1412b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *count = res.count; 1413b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return retval; 1414b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1415b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 141622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonvoid drmFreeReservedContextList(drm_context_t *pt) 1417b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1418b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmFree(pt); 1419b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1420b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1421d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1422d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Create context. 1423d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1424d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Used by the X server during GLXContext initialization. This causes 1425d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * per-context kernel-level resources to be allocated. 1426d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1427d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1428d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle is set on success. To be used by the client when requesting DMA 1429d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * dispatch with drmDMA(). 1430d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1431d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1432d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1433d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1434d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1435d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1436d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_ADD_CTX ioctl, passing the 1437d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 143922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateContext(int fd, drm_context_t *handle) 1440b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1441b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1442b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1443b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.flags = 0; /* Modified with functions below */ 14448b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) 1445ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1446b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = ctx.handle; 1447b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1448b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1449b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14508696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSwitchToContext(int fd, drm_context_t context) 1451b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1452b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1453b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1454b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 14558b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) 1456ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1457b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1458b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1459b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 14608696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags) 1461b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1462b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1463b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 146422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson /* 146522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * Context preserving means that no context switches are done between DMA 146622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * buffers from one context and the next. This is suitable for use in the 146722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * X server (which promises to maintain hardware context), or in the 146822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson * client-side library when buffers are swapped on behalf of two threads. 146922e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson */ 1470b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 1471b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.flags = 0; 1472ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_PRESERVED) 1473ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_PRESERVED; 1474ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (flags & DRM_CONTEXT_2DONLY) 1475ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian ctx.flags |= _DRM_CONTEXT_2DONLY; 14768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) 1477ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1478b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1479b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1480b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 148122e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextFlags(int fd, drm_context_t context, 148222e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_context_tFlagsPtr flags) 1483b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1484b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1485b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 1486b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = context; 14878b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx)) 1488ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1489b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *flags = 0; 1490ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_PRESERVED) 1491ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_PRESERVED; 1492ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (ctx.flags & _DRM_CONTEXT_2DONLY) 1493ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *flags |= DRM_CONTEXT_2DONLY; 1494b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1495b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1496360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 1497d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1498d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Destroy context. 1499d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1500d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free any kernel-level resources allocated with drmCreateContext() associated 1501d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * with the context. 1502d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1503d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1504d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle given by drmCreateContext(). 1505d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1506d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1507d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1508d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \note May only be called by root. 1509d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1510d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1511d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_RM_CTX ioctl, passing the 1512d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_ctx structure. 1513d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 15148696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyContext(int fd, drm_context_t handle) 1515b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1516b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_ctx_t ctx; 1517b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctx.handle = handle; 15188b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx)) 1519ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1520b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1521b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1522b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 152322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCreateDrawable(int fd, drm_drawable_t *handle) 1524b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1525b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 15268b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) 1527ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1528b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss *handle = draw.handle; 1529b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1530b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1531b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15328696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDestroyDrawable(int fd, drm_drawable_t handle) 1533b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1534b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_draw_t draw; 1535b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss draw.handle = handle; 15368b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw)) 1537ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1538b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 1539b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 1540b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 15419810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzerint drmUpdateDrawableInfo(int fd, drm_drawable_t handle, 15429810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_drawable_info_type_t type, unsigned int num, 15439810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer void *data) 15449810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer{ 15459810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer drm_update_draw_t update; 15469810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 15479810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.handle = handle; 15489810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.type = type; 15499810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.num = num; 15509810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer update.data = (unsigned long long)(unsigned long)data; 15519810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 15528b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) 1553ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 15549810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 15559810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer return 0; 15569810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer} 15579810ec2737de6aa81e764225f580e4ea39de437aMichel Dänzer 1558d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1559d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Acquire the AGP device. 1560d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1561d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Must be called before any of the other AGP related calls. 1562d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1563d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1564d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1565d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1566d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1567d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1568d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ACQUIRE ioctl. 1569d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1570ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAcquire(int fd) 1571ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 15728b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) 1573ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1574ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1575ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1576ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1577d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1578d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1579d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Release the AGP device. 1580d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1581d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1582d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1583d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1584d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1585d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1586d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_RELEASE ioctl. 1587d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1588ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpRelease(int fd) 1589ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 15908b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) 1591ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1592ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1593ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1594ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1595d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1596d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1597d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Set the AGP mode. 1598d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1599d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1600d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param mode AGP mode. 1601d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1602d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1603d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1604d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1605d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ENABLE ioctl, passing the 1606d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_mode structure. 1607d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1608ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpEnable(int fd, unsigned long mode) 1609ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1610ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_mode_t m; 1611ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1612ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann m.mode = mode; 16138b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) 1614ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1615ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1616ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1617ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1618d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1619d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1620d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Allocate a chunk of AGP memory. 1621d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1622d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1623d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size requested memory size in bytes. Will be rounded to page boundary. 1624d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param type type of memory to allocate. 1625d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param address if not zero, will be set to the physical address of the 1626d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * allocated memory. 1627d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle on success will be set to a handle of the allocated memory. 1628d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1629d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1630d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1631d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1632d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_ALLOC ioctl, passing the 1633d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_agp_buffer structure. 1634d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1635ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpAlloc(int fd, unsigned long size, unsigned long type, 16367ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlie unsigned long *address, drm_handle_t *handle) 1637ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1638ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1639b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane 1640b0a928557c91fec527f41ae8b2441174889bf32cAlan Hourihane *handle = DRM_AGP_NO_HANDLE; 1641ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = size; 1642ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = 0; 1643ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.type = type; 16448b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) 1645ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1646ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (address != 0UL) 1647ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *address = b.physical; 1648ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann *handle = b.handle; 1649ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1650ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1651ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1652d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1653d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1654d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Free a chunk of AGP memory. 1655d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1656d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1657d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1658d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1659d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1660d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1661d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1662d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_FREE ioctl, passing the 1663d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_buffer structure. 1664d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16657ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpFree(int fd, drm_handle_t handle) 1666ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1667ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_buffer_t b; 1668ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1669ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.size = 0; 1670ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 16718b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b)) 1672ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1673ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1674ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1675ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1676d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1677d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1678d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Bind a chunk of AGP memory. 1679d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1680d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1681d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1682d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param offset offset in bytes. It will round to page boundary. 1683d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1684d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1685d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1686d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1687d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_BIND ioctl, passing the 1688d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_agp_binding structure. 1689d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 16907ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpBind(int fd, drm_handle_t handle, unsigned long offset) 1691ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1692ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1693ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1694ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1695ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = offset; 16968b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b)) 1697ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1698ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1699ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1700ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1701d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1702d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1703d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Unbind a chunk of AGP memory. 1704d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1705d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1706d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param handle handle to the allocated memory, as given by drmAgpAllocate(). 1707d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1708d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1709d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1710d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1711d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_UNBIND ioctl, passing 1712d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * the argument in a drm_agp_binding structure. 1713d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 17147ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmAgpUnbind(int fd, drm_handle_t handle) 1715ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1716ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_binding_t b; 1717ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1718ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.handle = handle; 1719ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann b.offset = 0; 17208b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) 1721ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1722ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return 0; 1723ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1724ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1725d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1726d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1727d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver major version number. 1728d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1729d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1730d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1731d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return major version number on success, or a negative value on failure.. 1732d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1733d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1734d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1735d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1736d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1737ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMajor(int fd) 1738ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1739ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1740ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17418b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1742ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1743ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_major; 1744ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1745ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1746d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1747d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1748d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP driver minor version number. 1749d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1750d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1751d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1752d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return minor version number on success, or a negative value on failure. 1753d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1754d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1755d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1756d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1757d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1758ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannint drmAgpVersionMinor(int fd) 1759ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1760ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1761ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17628b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1763ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 1764ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.agp_version_minor; 1765ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1766ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1767d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1768d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1769d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP mode. 1770d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1771d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1772d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1773d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return mode on success, or zero on failure. 1774d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1775d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1776d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1777d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1778d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1779ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpGetMode(int fd) 1780ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1781ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1782ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 17838b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1784ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1785ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.mode; 1786ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1787ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1788d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1789d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1790d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture base. 1791d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1792d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1793d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1794d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture base on success, zero on failure. 1795d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1796d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1797d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1798d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1799d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1800ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpBase(int fd) 1801ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1802ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1803ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18048b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1805ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1806ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_base; 1807ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1808ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1809d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1810d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1811d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get AGP aperture size. 1812d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1813d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1814d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1815d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return aperture size on success, zero on failure. 1816d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1817d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1818d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1819d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1820d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1821ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpSize(int fd) 1822ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1823ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1824ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18258b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1826ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1827ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.aperture_size; 1828ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1829ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1830d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1831d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1832d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get used AGP memory. 1833d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1834d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1835d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1836d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory used on success, or zero on failure. 1837d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1838d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1839d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1840d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1841d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1842ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryUsed(int fd) 1843ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1844ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1845ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18468b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1847ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1848ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_used; 1849ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1850ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1851d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1852d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1853d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get available AGP memory. 1854d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1855d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1856d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1857d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return memory available on success, or zero on failure. 1858d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1859d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1860d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1861d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1862d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1863ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned long drmAgpMemoryAvail(int fd) 1864ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1865ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1866ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18678b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1868ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1869ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.memory_allowed; 1870ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1871ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1872d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1873d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1874d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware vendor ID. 1875d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1876d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1877d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1878d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return vendor ID on success, or zero on failure. 1879d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1880d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1881d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1882d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1883d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1884ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpVendorId(int fd) 1885ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1886ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1887ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 18888b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1889ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1890ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_vendor; 1891ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1892ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 1893d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 1894d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1895d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get hardware device ID. 1896d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1897d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1898d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1899d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or zero on failure. 1900d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1901d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1902d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_AGP_INFO ioctl, getting the 1903d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * necessary information in a drm_agp_info structure. 1904d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 1905ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmannunsigned int drmAgpDeviceId(int fd) 1906ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann{ 1907ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann drm_agp_info_t i; 1908ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 19098b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) 1910ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return 0; 1911ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann return i.id_device; 1912ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann} 1913ba1b1ae3806490cce16a9c8957b52cd74967f463Jeff Hartmann 19147ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle) 19155d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 19165d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 19175d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 19185d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = 0; 19195d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = size; 19205d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = 0; 19218b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) 1922ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 19235d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin *handle = sg.handle; 19245d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 19255d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 19265d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 19277ede209ce0cbbc65f79d02e2cc43cfcb3abb6e99Dave Airlieint drmScatterGatherFree(int fd, drm_handle_t handle) 19285d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin{ 19295d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin drm_scatter_gather_t sg; 19305d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 19315d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.size = 0; 19325d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin sg.handle = handle; 19338b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg)) 1934ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 19355d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin return 0; 19365d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin} 19375d6ddbca26d695561fb1d08d798a0cc254b805e7Kevin E Martin 1938d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 1939d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Wait for VBLANK. 1940d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1941d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 1942d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param vbl pointer to a drmVBlank structure. 1943d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1944d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 1945d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 1946d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 1947d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_WAIT_VBLANK ioctl. 1948d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 194955acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzerint drmWaitVBlank(int fd, drmVBlankPtr vbl) 195055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer{ 1951f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes struct timespec timeout, cur; 195255acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer int ret; 195355acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 1954f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = clock_gettime(CLOCK_MONOTONIC, &timeout); 1955f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes if (ret < 0) { 19561eb2860b4bd0306dddc5b2f2dc7403aa65c5e476Daniel Kurtz fprintf(stderr, "clock_gettime failed: %s\n", strerror(errno)); 1957f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes goto out; 1958f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 1959f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes timeout.tv_sec++; 1960f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes 196155acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer do { 1962f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); 1963c7d471b6ae936127311a816a8d15b4565746af48Michel Daenzer vbl->request.type &= ~DRM_VBLANK_RELATIVE; 1964ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (ret && errno == EINTR) { 1965ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes clock_gettime(CLOCK_MONOTONIC, &cur); 1966ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes /* Timeout after 1s */ 1967ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes if (cur.tv_sec > timeout.tv_sec + 1 || 1968ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes (cur.tv_sec == timeout.tv_sec && cur.tv_nsec >= 1969ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes timeout.tv_nsec)) { 1970ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes errno = EBUSY; 1971ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes ret = -1; 1972ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes break; 1973ca37077fb78b69a00500827f1db12b70affa1514Jesse Barnes } 1974f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnes } 197555acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer } while (ret && errno == EINTR); 197655acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 1977f4f76a6894b40abd77f0ffbf52972127608b9bcaJesse Barnesout: 197855acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer return ret; 197955acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer} 198055acd0d5a64a2ee6b0cecc75872fbf8c4bb42a0cMichel Daenzer 1981b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmError(int err, const char *label) 1982b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 1983b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss switch (err) { 1984ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_DEVICE: 1985ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no device\n", label); 1986ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1987ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NO_ACCESS: 1988ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: no access\n", label); 1989ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1990ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_NOT_ROOT: 1991ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: not root\n", label); 1992ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1993ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian case DRM_ERR_INVALID: 1994ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "%s: invalid args\n", label); 1995ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian break; 1996b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss default: 1997ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (err < 0) 1998ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian err = -err; 1999b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) ); 2000b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss break; 2001b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2002b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2003b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 1; 2004b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2005b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2006d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2007d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Install IRQ handler. 2008d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2009d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2010d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param irq IRQ number. 2011d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2012d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2013d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2014d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2015d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2016d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2017d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2018b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlInstHandler(int fd, int irq) 2019b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2020b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2021b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2022b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_INST_HANDLER; 2023b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = irq; 20248b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2025ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2026b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2027b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2028b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2029d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2030d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2031d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Uninstall IRQ handler. 2032d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2033d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2034d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2035d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2036d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2037d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2038d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_CONTROL ioctl, passing the 2039d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * argument in a drm_control structure. 2040d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2041b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmCtlUninstHandler(int fd) 2042b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2043b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_control_t ctl; 2044b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2045b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.func = DRM_UNINST_HANDLER; 2046b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss ctl.irq = 0; 20478b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) 2048ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2049b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2050b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2051b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2052b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmFinish(int fd, int context, drmLockFlags flags) 2053b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2054b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_lock_t lock; 2055b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2056b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.context = context; 2057b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss lock.flags = 0; 2058b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_READY) lock.flags |= _DRM_LOCK_READY; 2059b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_QUIESCENT) lock.flags |= _DRM_LOCK_QUIESCENT; 2060b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH) lock.flags |= _DRM_LOCK_FLUSH; 2061b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; 2062b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; 2063b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; 20648b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock)) 2065ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2066b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2067b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2068b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2069d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2070d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Get IRQ from bus ID. 2071d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2072d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2073d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param busnum bus number. 2074d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param devnum device number. 2075d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param funcnum function number. 2076d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2077d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return IRQ number on success, or a negative value on failure. 2078d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2079d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2080d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * This function is a wrapper around the DRM_IOCTL_IRQ_BUSID ioctl, passing the 2081d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * arguments in a drm_irq_busid structure. 2082d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 2083b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Straussint drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum) 2084b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2085b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drm_irq_busid_t p; 2086b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2087b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.busnum = busnum; 2088b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.devnum = devnum; 2089b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss p.funcnum = funcnum; 20908b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) 2091ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2092b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return p.irq; 2093b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2094b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 20958696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmAddContextTag(int fd, drm_context_t context, void *tag) 2096b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2097b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2098b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2099b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss if (drmHashInsert(entry->tagTable, context, tag)) { 2100b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashDelete(entry->tagTable, context); 2101b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashInsert(entry->tagTable, context, tag); 2102b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss } 2103b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return 0; 2104b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2105b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 21068696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmDelContextTag(int fd, drm_context_t context) 2107b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2108b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2109b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2110b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return drmHashDelete(entry->tagTable, context); 2111b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2112b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 21138696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlvoid *drmGetContextTag(int fd, drm_context_t context) 2114b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss{ 2115b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss drmHashEntry *entry = drmGetEntry(fd); 2116b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss void *value; 2117360475376c5a597caf4a981c934a6b0d783fa94dGareth Hughes 2118ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (drmHashLookup(entry->tagTable, context, &value)) 2119ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return NULL; 2120b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 2121b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss return value; 2122b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss} 2123b3a5766992019fc5f44cc9afd01b2617b76f47aDaryll Strauss 212422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmAddContextPrivateMapping(int fd, drm_context_t ctx_id, 212522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t handle) 212674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 212774e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 212874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 212974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 2130961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston map.handle = (void *)(uintptr_t)handle; 213174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 21328b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) 2133ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 213474e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 213574e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 213674e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 213722e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, 213822e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson drm_handle_t *handle) 213974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin{ 214074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin drm_ctx_priv_map_t map; 214174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 214274e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin map.ctx_id = ctx_id; 214374e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 21448b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) 2145ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 2146ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (handle) 2147961bf9b5c2866ccb4fedf2b45b29fb688519d0dbJeremy Huddleston *handle = (drm_handle_t)(uintptr_t)map.handle; 214874e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 214974e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin return 0; 215074e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin} 215174e19a40187ac3b5907922e5dc01418135a5794bKevin E Martin 21528696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirlint drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size, 21538696e71db2d79eb318c00abde625d7b61d6800a1Jon Smirl drmMapType *type, drmMapFlags *flags, drm_handle_t *handle, 215488dbee54ed400a3fd5594fab506518c171167805Rik Faith int *mtrr) 215588dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 215688dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_map_t map; 215788dbee54ed400a3fd5594fab506518c171167805Rik Faith 215888dbee54ed400a3fd5594fab506518c171167805Rik Faith map.offset = idx; 21598b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map)) 2160ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 216188dbee54ed400a3fd5594fab506518c171167805Rik Faith *offset = map.offset; 216288dbee54ed400a3fd5594fab506518c171167805Rik Faith *size = map.size; 216388dbee54ed400a3fd5594fab506518c171167805Rik Faith *type = map.type; 216488dbee54ed400a3fd5594fab506518c171167805Rik Faith *flags = map.flags; 216588dbee54ed400a3fd5594fab506518c171167805Rik Faith *handle = (unsigned long)map.handle; 216688dbee54ed400a3fd5594fab506518c171167805Rik Faith *mtrr = map.mtrr; 216788dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 216888dbee54ed400a3fd5594fab506518c171167805Rik Faith} 216988dbee54ed400a3fd5594fab506518c171167805Rik Faith 217088dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, 217188dbee54ed400a3fd5594fab506518c171167805Rik Faith unsigned long *magic, unsigned long *iocs) 217288dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 217388dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_client_t client; 217488dbee54ed400a3fd5594fab506518c171167805Rik Faith 217588dbee54ed400a3fd5594fab506518c171167805Rik Faith client.idx = idx; 21768b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client)) 2177ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 217888dbee54ed400a3fd5594fab506518c171167805Rik Faith *auth = client.auth; 217988dbee54ed400a3fd5594fab506518c171167805Rik Faith *pid = client.pid; 218088dbee54ed400a3fd5594fab506518c171167805Rik Faith *uid = client.uid; 218188dbee54ed400a3fd5594fab506518c171167805Rik Faith *magic = client.magic; 218288dbee54ed400a3fd5594fab506518c171167805Rik Faith *iocs = client.iocs; 218388dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 218488dbee54ed400a3fd5594fab506518c171167805Rik Faith} 218588dbee54ed400a3fd5594fab506518c171167805Rik Faith 218688dbee54ed400a3fd5594fab506518c171167805Rik Faithint drmGetStats(int fd, drmStatsT *stats) 218788dbee54ed400a3fd5594fab506518c171167805Rik Faith{ 218888dbee54ed400a3fd5594fab506518c171167805Rik Faith drm_stats_t s; 218988dbee54ed400a3fd5594fab506518c171167805Rik Faith int i; 219088dbee54ed400a3fd5594fab506518c171167805Rik Faith 21918b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s)) 2192ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return -errno; 219388dbee54ed400a3fd5594fab506518c171167805Rik Faith 219488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = 0; 219588dbee54ed400a3fd5594fab506518c171167805Rik Faith memset(stats, 0, sizeof(*stats)); 219688dbee54ed400a3fd5594fab506518c171167805Rik Faith if (s.count > sizeof(stats->data)/sizeof(stats->data[0])) 219788dbee54ed400a3fd5594fab506518c171167805Rik Faith return -1; 219888dbee54ed400a3fd5594fab506518c171167805Rik Faith 219988dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_VALUE \ 220088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 220188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%8.8s"; \ 220288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 1; \ 220388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 220488dbee54ed400a3fd5594fab506518c171167805Rik Faith 220588dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_COUNT \ 220688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 220788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 220888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 220988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "kgm"; \ 221088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1000; \ 221188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 221288dbee54ed400a3fd5594fab506518c171167805Rik Faith 221388dbee54ed400a3fd5594fab506518c171167805Rik Faith#define SET_BYTE \ 221488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_format = "%-20.20s"; \ 221588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_format = "%5.5s"; \ 221688dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].isvalue = 0; \ 221788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult_names = "KGM"; \ 221888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].mult = 1024; \ 221988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 0 222088dbee54ed400a3fd5594fab506518c171167805Rik Faith 222188dbee54ed400a3fd5594fab506518c171167805Rik Faith 222288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->count = s.count; 222388dbee54ed400a3fd5594fab506518c171167805Rik Faith for (i = 0; i < s.count; i++) { 222488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].value = s.data[i].value; 222588dbee54ed400a3fd5594fab506518c171167805Rik Faith switch (s.data[i].type) { 222688dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCK: 222788dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Lock"; 222888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 222988dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 223088dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 223188dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_OPENS: 223288dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Opens"; 223388dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "O"; 223488dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 223588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 223688dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 223788dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_CLOSES: 223888dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Closes"; 223988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lock"; 224088dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 224188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].verbose = 1; 224288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 224388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IOCTLS: 224488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Ioctls"; 224588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ioc/s"; 224688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 224788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 224888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_LOCKS: 224988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Locks"; 225088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Lck/s"; 225188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 225288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 225388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_UNLOCKS: 225488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Unlocks"; 225588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Unl/s"; 225688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 225788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 225888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_IRQ: 225988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "IRQs"; 226088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "IRQ/s"; 226188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 226288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 226388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_PRIMARY: 226488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Primary Bytes"; 226588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "PB/s"; 226688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 226788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 226888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SECONDARY: 226988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Secondary Bytes"; 227088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "SB/s"; 227188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 227288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 227388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_DMA: 227488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "DMA"; 227588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "DMA/s"; 227688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 227788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 227888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_SPECIAL: 227988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Special DMA"; 228088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "dma/s"; 228188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 228288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 228388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_MISSED: 228488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Miss"; 228588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Ms/s"; 228688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 228788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 228888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_VALUE: 228988dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Value"; 229088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Value"; 229188dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_VALUE; 229288dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 229388dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_BYTE: 229488dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Bytes"; 229588dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "B/s"; 229688dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_BYTE; 229788dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 229888dbee54ed400a3fd5594fab506518c171167805Rik Faith case _DRM_STAT_COUNT: 229988dbee54ed400a3fd5594fab506518c171167805Rik Faith default: 230088dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].long_name = "Count"; 230188dbee54ed400a3fd5594fab506518c171167805Rik Faith stats->data[i].rate_name = "Cnt/s"; 230288dbee54ed400a3fd5594fab506518c171167805Rik Faith SET_COUNT; 230388dbee54ed400a3fd5594fab506518c171167805Rik Faith break; 230488dbee54ed400a3fd5594fab506518c171167805Rik Faith } 230588dbee54ed400a3fd5594fab506518c171167805Rik Faith } 230688dbee54ed400a3fd5594fab506518c171167805Rik Faith return 0; 230788dbee54ed400a3fd5594fab506518c171167805Rik Faith} 230888dbee54ed400a3fd5594fab506518c171167805Rik Faith 2309d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 231006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * Issue a set-version ioctl. 231106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 231206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param fd file descriptor. 231306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param drmCommandIndex command index 231406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param data source pointer of the data to be read and written. 231506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \param size size of the data to be read and written. 231606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 231706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \return zero on success, or a negative value on failure. 231806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * 231906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \internal 232006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * It issues a read-write ioctl given by 232106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 232206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt */ 232322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmSetInterfaceVersion(int fd, drmSetVersion *version) 232406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt{ 232506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt int retcode = 0; 232606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt drm_set_version_t sv; 232706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 232806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_major = version->drm_di_major; 232906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_di_minor = version->drm_di_minor; 233006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_major = version->drm_dd_major; 233106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt sv.drm_dd_minor = version->drm_dd_minor; 233206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 23338b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { 233406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt retcode = -errno; 233506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt } 233606cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 233706cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_major = sv.drm_di_major; 233806cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_di_minor = sv.drm_di_minor; 233906cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_major = sv.drm_dd_major; 234006cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt version->drm_dd_minor = sv.drm_dd_minor; 234106cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 234206cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt return retcode; 234306cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt} 234406cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt 234506cb132e86dc4a04044c3c76725ba3037008ab34Eric Anholt/** 2346d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific command. 2347d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2348d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2349d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2350d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2351d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2352d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2353d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2354d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a ioctl given by 2355d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2356d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 23573903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owenint drmCommandNone(int fd, unsigned long drmCommandIndex) 23583903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 23593903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen void *data = NULL; /* dummy */ 23603903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 23613903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23623903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex); 23633903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23648b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 23653903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 23663903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 23673903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 23683903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 23693903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2370d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2371d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2372d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read command. 2373d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2374d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2375d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2376d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data destination pointer of the data to be read. 2377d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read. 2378d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2379d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2380d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2381d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2382d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read ioctl given by 2383d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2384d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 238522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandRead(int fd, unsigned long drmCommandIndex, void *data, 238622e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 23873903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 23883903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 23893903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 239074ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE, 239174ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 23923903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 23938b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 23943903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 23953903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 23963903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 23973903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 23983903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2399d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2400d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2401d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific write command. 2402d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2403d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2404d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2405d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be written. 2406d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be written. 2407d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2408d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2409d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2410d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2411d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a write ioctl given by 2412d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2413d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 241422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data, 241522e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 24163903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 24173903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 24183903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 241974ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE, 242074ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 24213903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 24228b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) { 24233903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 24243903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen } 24253903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 24263903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 24273903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 2428d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca 2429d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca/** 2430d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * Send a device-specific read-write command. 2431d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2432d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param fd file descriptor. 2433d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param drmCommandIndex command index 2434d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param data source pointer of the data to be read and written. 2435d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \param size size of the data to be read and written. 2436d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2437d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \return zero on success, or a negative value on failure. 2438d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * 2439d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \internal 2440d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * It issues a read-write ioctl given by 2441d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca * \code DRM_COMMAND_BASE + drmCommandIndex \endcode. 2442d2443b2186712dd7c977b47e06444396e1e493ffJose Fonseca */ 244322e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jacksonint drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, 244422e41ef08338ae6dd59acbe6d4d8e50d83672816Adam Jackson unsigned long size) 24453903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen{ 24463903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen unsigned long request; 24473903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 244874ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE, 244974ef13fd009b9e37956e4207d0a5ed92f4b5e39aAlan Hourihane DRM_COMMAND_BASE + drmCommandIndex, size); 24503903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen 24518b9ab108ec1f2ba2b503f713769c4946849b3cb2Keith Packard if (drmIoctl(fd, request, data)) 24523903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return -errno; 24533903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen return 0; 24543903e5ac94c07cf31f0bc24eff5011ef8cc7afbaJens Owen} 2455166da9355d95affe427a6cff3525df60e80a99dfThomas Hellstrom 2456d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie#define DRM_MAX_FDS 16 2457d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic struct { 2458ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian char *BusID; 2459ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2460ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int refcount; 2461d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} connection[DRM_MAX_FDS]; 2462d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2463d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airliestatic int nr_fds = 0; 2464d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2465d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlieint drmOpenOnce(void *unused, 2466d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie const char *BusID, 2467d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie int *newlyopened) 2468d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2469ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2470ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int fd; 2471d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2472ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) 2473ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (strcmp(BusID, connection[i].BusID) == 0) { 2474ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i].refcount++; 2475ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 0; 2476ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return connection[i].fd; 2477ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2478ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian 2479ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fd = drmOpen(unused, BusID); 2480ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd <= 0 || nr_fds == DRM_MAX_FDS) 2481ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2482d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2483ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].BusID = strdup(BusID); 2484ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].fd = fd; 2485ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[nr_fds].refcount = 1; 2486ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian *newlyopened = 1; 2487d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2488ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (0) 2489ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian fprintf(stderr, "saved connection %d for %s %d\n", 2490ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds, connection[nr_fds].BusID, 2491ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian strcmp(BusID, connection[nr_fds].BusID)); 2492d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2493ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian nr_fds++; 2494d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2495ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return fd; 2496d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2497d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2498d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlievoid drmCloseOnce(int fd) 2499d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie{ 2500ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian int i; 2501d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2502ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian for (i = 0; i < nr_fds; i++) { 2503ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (fd == connection[i].fd) { 2504ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (--connection[i].refcount == 0) { 2505ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian drmClose(connection[i].fd); 2506ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian free(connection[i].BusID); 2507d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2508ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian if (i < --nr_fds) 2509ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian connection[i] = connection[nr_fds]; 2510d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie 2511ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian return; 2512ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2513ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2514ccd7b6e8ddeac936518f626d2326ae439931b2bfBrian } 2515d51e1bb56ca2f7858cdeac6f61a7b747c1e15b1eDave Airlie} 2516731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2517731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmSetMaster(int fd) 2518731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2519fbc8b2d95f5da096ee771a3e2ef6f89306679e89Kristian Høgsberg return ioctl(fd, DRM_IOCTL_SET_MASTER, 0); 2520731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 2521731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes 2522731cd5526e5c732d51307b26e784f454a724a699Jesse Barnesint drmDropMaster(int fd) 2523731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes{ 2524fbc8b2d95f5da096ee771a3e2ef6f89306679e89Kristian Høgsberg return ioctl(fd, DRM_IOCTL_DROP_MASTER, 0); 2525731cd5526e5c732d51307b26e784f454a724a699Jesse Barnes} 252622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 252722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsbergchar *drmGetDeviceNameFromFd(int fd) 252822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg{ 252922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg char name[128]; 253022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg struct stat sbuf; 253122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg dev_t d; 253222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg int i; 253322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 253422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg /* The whole drmOpen thing is a fiasco and we need to find a way 253522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * back to just using open(2). For now, however, lets just make 253622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * things worse with even more ad hoc directory walking code to 253722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg * discover the device file name. */ 253822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 253922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg fstat(fd, &sbuf); 254022d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg d = sbuf.st_rdev; 254122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 254222d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg for (i = 0; i < DRM_MAX_MINOR; i++) { 254322d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg snprintf(name, sizeof name, DRM_DEV_NAME, DRM_DIR_NAME, i); 254422d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (stat(name, &sbuf) == 0 && sbuf.st_rdev == d) 254522d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg break; 254622d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg } 254722d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg if (i == DRM_MAX_MINOR) 254822d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg return NULL; 254922d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg 25500a1ff35c70730160973715b82112cd97c62ac13eAdam Jackson return strdup(name); 255122d46669043d38fcd16efca773f5ed5693c0fb58Kristian Høgsberg} 2552cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2553cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd) 2554cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2555cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2556cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2557cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2558cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.handle = handle; 2559cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.flags = flags; 2560cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); 2561cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2562cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2563cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2564cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *prime_fd = args.fd; 2565cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2566cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2567cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2568cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlieint drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle) 2569cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie{ 2570cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie struct drm_prime_handle args; 2571cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie int ret; 2572cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2573cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.fd = prime_fd; 2574cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie args.flags = 0; 2575cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args); 2576cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie if (ret) 2577cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return ret; 2578cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2579cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie *handle = args.handle; 2580cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie return 0; 2581cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie} 2582cc0a14575d9fd0aafe73cb4aa445eaf024436114Dave Airlie 2583