2014-01-10 23:36:16 +00:00
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/*
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* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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*
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* This code is derived from the following files.
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*
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* * src/glx/dri3_common.c
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* Copyright © 2013 Keith Packard
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*
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* * src/egl/drivers/dri2/common.c
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* * src/gbm/backends/dri/driver_name.c
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* Copyright © 2011 Intel Corporation
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*
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* * src/gallium/targets/egl-static/egl.c
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* Copyright (C) 2010-2011 LunarG Inc.
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*
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* Authors:
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* Chia-I Wu <olv@lunarg.com>
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*
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* * src/gallium/state_trackers/egl/drm/native_drm.c
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* Copyright (C) 2010 Chia-I Wu <olv@0xlab.org>
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*
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* * src/egl/drivers/dri2/platform_android.c
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*
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* Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
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* Copyright (C) 2010-2011 LunarG Inc.
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*
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* Based on platform_x11, which has
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*
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* Copyright © 2011 Intel Corporation
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*
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* * src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
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* Copyright 2011 Intel Corporation
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* Copyright 2012 Francisco Jerez
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* All Rights Reserved.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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2015-06-23 22:47:05 +01:00
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#include <errno.h>
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#include <fcntl.h>
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2015-03-11 19:12:35 +00:00
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#include <sys/stat.h>
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2014-01-10 23:36:16 +00:00
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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2014-01-28 10:15:17 +00:00
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#ifdef HAVE_LIBUDEV
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2014-01-23 21:12:26 +00:00
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#include <assert.h>
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#include <dlfcn.h>
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2014-06-09 00:42:15 +01:00
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#include <unistd.h>
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#include <stdlib.h>
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2014-06-09 00:47:48 +01:00
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#ifdef USE_DRICONF
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#include "xmlconfig.h"
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#include "xmlpool.h"
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#endif
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2014-01-28 10:15:17 +00:00
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#endif
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2014-05-22 04:07:42 +01:00
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#ifdef HAVE_SYSFS
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#include <sys/types.h>
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#endif
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2014-01-10 23:36:16 +00:00
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#include "loader.h"
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2014-01-19 03:09:03 +00:00
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#ifndef __NOT_HAVE_DRM_H
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2014-01-10 23:36:16 +00:00
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#include <xf86drm.h>
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2014-01-19 03:09:03 +00:00
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#endif
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2014-01-10 23:36:16 +00:00
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#define __IS_LOADER
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2014-03-17 18:42:12 +00:00
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#include "pci_id_driver_map.h"
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2014-01-10 23:36:16 +00:00
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static void default_logger(int level, const char *fmt, ...)
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{
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2014-01-28 01:20:45 +00:00
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if (level <= _LOADER_WARNING) {
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2014-01-10 23:36:16 +00:00
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va_list args;
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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}
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}
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2014-01-20 13:57:12 +00:00
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static void (*log_)(int level, const char *fmt, ...) = default_logger;
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2014-01-10 23:36:16 +00:00
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2015-06-23 22:47:05 +01:00
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int
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loader_open_device(const char *device_name)
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{
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int fd;
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#ifdef O_CLOEXEC
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fd = open(device_name, O_RDWR | O_CLOEXEC);
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if (fd == -1 && errno == EINVAL)
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#endif
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{
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fd = open(device_name, O_RDWR);
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if (fd != -1)
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fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
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}
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return fd;
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}
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2014-01-10 23:36:16 +00:00
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#ifdef HAVE_LIBUDEV
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#include <libudev.h>
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2014-01-23 21:12:26 +00:00
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static void *udev_handle = NULL;
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static void *
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udev_dlopen_handle(void)
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{
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if (!udev_handle) {
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udev_handle = dlopen("libudev.so.1", RTLD_LOCAL | RTLD_LAZY);
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2014-01-30 18:30:57 +00:00
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if (!udev_handle) {
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/* libudev.so.1 changed the return types of the two unref functions
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* from voids to pointers. We don't use those return values, and the
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* only ABI I've heard that cares about this kind of change (calling
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* a function with a void * return that actually only returns void)
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* might be ia64.
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*/
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udev_handle = dlopen("libudev.so.0", RTLD_LOCAL | RTLD_LAZY);
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2014-01-30 18:44:58 +00:00
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if (!udev_handle) {
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2014-05-22 03:39:15 +01:00
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log_(_LOADER_WARNING, "Couldn't dlopen libudev.so.1 or "
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"libudev.so.0, driver detection may be broken.\n");
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2014-01-30 18:44:58 +00:00
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}
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2014-01-30 18:30:57 +00:00
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}
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2014-01-23 21:12:26 +00:00
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}
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return udev_handle;
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}
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2014-05-22 03:39:15 +01:00
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static int dlsym_failed = 0;
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2014-01-23 21:12:26 +00:00
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static void *
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2014-05-22 03:39:15 +01:00
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checked_dlsym(void *dlopen_handle, const char *name)
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2014-01-23 21:12:26 +00:00
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{
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void *result = dlsym(dlopen_handle, name);
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2014-05-22 03:39:15 +01:00
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if (!result)
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dlsym_failed = 1;
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2014-01-23 21:12:26 +00:00
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return result;
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}
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#define UDEV_SYMBOL(ret, name, args) \
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2014-05-22 03:39:15 +01:00
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ret (*name) args = checked_dlsym(udev_dlopen_handle(), #name);
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2014-01-23 21:12:26 +00:00
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2014-01-10 23:36:16 +00:00
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static inline struct udev_device *
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udev_device_new_from_fd(struct udev *udev, int fd)
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{
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struct udev_device *device;
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struct stat buf;
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2014-01-23 21:12:26 +00:00
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UDEV_SYMBOL(struct udev_device *, udev_device_new_from_devnum,
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(struct udev *udev, char type, dev_t devnum));
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2014-01-10 23:36:16 +00:00
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2014-05-22 03:39:15 +01:00
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if (dlsym_failed)
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return NULL;
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2014-01-10 23:36:16 +00:00
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if (fstat(fd, &buf) < 0) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: failed to stat fd %d\n", fd);
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2014-01-10 23:36:16 +00:00
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return NULL;
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}
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device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
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if (device == NULL) {
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2014-01-20 13:57:12 +00:00
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log_(_LOADER_WARNING,
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2014-01-27 12:53:32 +00:00
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"MESA-LOADER: could not create udev device for fd %d\n", fd);
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2014-01-10 23:36:16 +00:00
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return NULL;
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}
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return device;
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}
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2014-05-22 03:39:15 +01:00
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static int
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libudev_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
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2014-01-10 23:36:16 +00:00
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{
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struct udev *udev = NULL;
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struct udev_device *device = NULL, *parent;
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const char *pci_id;
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2014-01-23 21:12:26 +00:00
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UDEV_SYMBOL(struct udev *, udev_new, (void));
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UDEV_SYMBOL(struct udev_device *, udev_device_get_parent,
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(struct udev_device *));
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UDEV_SYMBOL(const char *, udev_device_get_property_value,
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(struct udev_device *, const char *));
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UDEV_SYMBOL(struct udev_device *, udev_device_unref,
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(struct udev_device *));
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UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *));
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2014-01-10 23:36:16 +00:00
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*chip_id = -1;
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2014-05-22 03:39:15 +01:00
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if (dlsym_failed)
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return 0;
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2014-01-10 23:36:16 +00:00
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udev = udev_new();
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device = udev_device_new_from_fd(udev, fd);
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if (!device)
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goto out;
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parent = udev_device_get_parent(device);
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if (parent == NULL) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: could not get parent device\n");
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2014-01-10 23:36:16 +00:00
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goto out;
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}
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pci_id = udev_device_get_property_value(parent, "PCI_ID");
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2015-02-15 06:59:17 +00:00
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if (pci_id == NULL) {
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log_(_LOADER_INFO, "MESA-LOADER: no PCI ID\n");
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*chip_id = -1;
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goto out;
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} else if (sscanf(pci_id, "%x:%x", vendor_id, chip_id) != 2) {
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log_(_LOADER_WARNING, "MESA-LOADER: malformed PCI ID\n");
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2014-01-10 23:36:16 +00:00
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*chip_id = -1;
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goto out;
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}
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out:
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if (device)
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udev_device_unref(device);
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if (udev)
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udev_unref(udev);
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return (*chip_id >= 0);
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}
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2014-06-09 00:42:15 +01:00
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static char *
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get_render_node_from_id_path_tag(struct udev *udev,
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char *id_path_tag,
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char another_tag)
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{
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struct udev_device *device;
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struct udev_enumerate *e;
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struct udev_list_entry *entry;
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const char *path, *id_path_tag_tmp;
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char *path_res;
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char found = 0;
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UDEV_SYMBOL(struct udev_enumerate *, udev_enumerate_new,
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(struct udev *));
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UDEV_SYMBOL(int, udev_enumerate_add_match_subsystem,
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(struct udev_enumerate *, const char *));
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UDEV_SYMBOL(int, udev_enumerate_add_match_sysname,
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(struct udev_enumerate *, const char *));
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UDEV_SYMBOL(int, udev_enumerate_scan_devices,
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(struct udev_enumerate *));
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UDEV_SYMBOL(struct udev_list_entry *, udev_enumerate_get_list_entry,
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(struct udev_enumerate *));
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UDEV_SYMBOL(struct udev_list_entry *, udev_list_entry_get_next,
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(struct udev_list_entry *));
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UDEV_SYMBOL(const char *, udev_list_entry_get_name,
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(struct udev_list_entry *));
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UDEV_SYMBOL(struct udev_device *, udev_device_new_from_syspath,
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(struct udev *, const char *));
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UDEV_SYMBOL(const char *, udev_device_get_property_value,
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(struct udev_device *, const char *));
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UDEV_SYMBOL(const char *, udev_device_get_devnode,
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(struct udev_device *));
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UDEV_SYMBOL(struct udev_device *, udev_device_unref,
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(struct udev_device *));
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e = udev_enumerate_new(udev);
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udev_enumerate_add_match_subsystem(e, "drm");
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udev_enumerate_add_match_sysname(e, "render*");
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udev_enumerate_scan_devices(e);
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udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
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path = udev_list_entry_get_name(entry);
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device = udev_device_new_from_syspath(udev, path);
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if (!device)
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continue;
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id_path_tag_tmp = udev_device_get_property_value(device, "ID_PATH_TAG");
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if (id_path_tag_tmp) {
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if ((!another_tag && !strcmp(id_path_tag, id_path_tag_tmp)) ||
|
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(another_tag && strcmp(id_path_tag, id_path_tag_tmp))) {
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found = 1;
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break;
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}
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}
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udev_device_unref(device);
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}
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if (found) {
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path_res = strdup(udev_device_get_devnode(device));
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udev_device_unref(device);
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return path_res;
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}
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return NULL;
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}
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static char *
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get_id_path_tag_from_fd(struct udev *udev, int fd)
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{
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struct udev_device *device;
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const char *id_path_tag_tmp;
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char *id_path_tag;
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UDEV_SYMBOL(const char *, udev_device_get_property_value,
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(struct udev_device *, const char *));
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UDEV_SYMBOL(struct udev_device *, udev_device_unref,
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(struct udev_device *));
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device = udev_device_new_from_fd(udev, fd);
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|
|
|
if (!device)
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|
|
return NULL;
|
|
|
|
|
|
|
|
id_path_tag_tmp = udev_device_get_property_value(device, "ID_PATH_TAG");
|
|
|
|
if (!id_path_tag_tmp)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
id_path_tag = strdup(id_path_tag_tmp);
|
|
|
|
|
|
|
|
udev_device_unref(device);
|
|
|
|
return id_path_tag;
|
|
|
|
}
|
|
|
|
|
2014-06-09 00:47:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
|
|
|
const char __driConfigOptionsLoader[] =
|
|
|
|
DRI_CONF_BEGIN
|
|
|
|
DRI_CONF_SECTION_INITIALIZATION
|
|
|
|
DRI_CONF_DEVICE_ID_PATH_TAG()
|
|
|
|
DRI_CONF_SECTION_END
|
|
|
|
DRI_CONF_END;
|
|
|
|
#endif
|
|
|
|
|
2014-06-09 00:42:15 +01:00
|
|
|
int loader_get_user_preferred_fd(int default_fd, int *different_device)
|
|
|
|
{
|
|
|
|
struct udev *udev;
|
2014-06-09 00:47:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
|
|
|
driOptionCache defaultInitOptions;
|
|
|
|
driOptionCache userInitOptions;
|
|
|
|
#endif
|
2014-06-09 00:42:15 +01:00
|
|
|
const char *dri_prime = getenv("DRI_PRIME");
|
|
|
|
char *prime = NULL;
|
|
|
|
int is_different_device = 0, fd = default_fd;
|
|
|
|
char *default_device_id_path_tag;
|
|
|
|
char *device_name = NULL;
|
|
|
|
char another_tag = 0;
|
|
|
|
UDEV_SYMBOL(struct udev *, udev_new, (void));
|
|
|
|
UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *));
|
|
|
|
|
|
|
|
if (dri_prime)
|
|
|
|
prime = strdup(dri_prime);
|
2014-06-09 00:47:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
|
|
|
else {
|
|
|
|
driParseOptionInfo(&defaultInitOptions, __driConfigOptionsLoader);
|
|
|
|
driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "loader");
|
|
|
|
if (driCheckOption(&userInitOptions, "device_id", DRI_STRING))
|
|
|
|
prime = strdup(driQueryOptionstr(&userInitOptions, "device_id"));
|
|
|
|
driDestroyOptionCache(&userInitOptions);
|
|
|
|
driDestroyOptionInfo(&defaultInitOptions);
|
|
|
|
}
|
|
|
|
#endif
|
2014-06-09 00:42:15 +01:00
|
|
|
|
|
|
|
if (prime == NULL) {
|
|
|
|
*different_device = 0;
|
|
|
|
return default_fd;
|
|
|
|
}
|
|
|
|
|
|
|
|
udev = udev_new();
|
|
|
|
if (!udev)
|
|
|
|
goto prime_clean;
|
|
|
|
|
|
|
|
default_device_id_path_tag = get_id_path_tag_from_fd(udev, default_fd);
|
|
|
|
if (!default_device_id_path_tag)
|
|
|
|
goto udev_clean;
|
|
|
|
|
|
|
|
is_different_device = 1;
|
|
|
|
/* two format are supported:
|
|
|
|
* "1": choose any other card than the card used by default.
|
|
|
|
* id_path_tag: (for example "pci-0000_02_00_0") choose the card
|
|
|
|
* with this id_path_tag.
|
|
|
|
*/
|
|
|
|
if (!strcmp(prime,"1")) {
|
|
|
|
free(prime);
|
|
|
|
prime = strdup(default_device_id_path_tag);
|
|
|
|
/* request a card with a different card than the default card */
|
|
|
|
another_tag = 1;
|
|
|
|
} else if (!strcmp(default_device_id_path_tag, prime))
|
|
|
|
/* we are to get a new fd (render-node) of the same device */
|
|
|
|
is_different_device = 0;
|
|
|
|
|
|
|
|
device_name = get_render_node_from_id_path_tag(udev,
|
|
|
|
prime,
|
|
|
|
another_tag);
|
|
|
|
if (device_name == NULL) {
|
|
|
|
is_different_device = 0;
|
|
|
|
goto default_device_clean;
|
|
|
|
}
|
|
|
|
|
2015-06-17 17:28:49 +01:00
|
|
|
fd = loader_open_device(device_name);
|
2014-09-01 10:44:19 +01:00
|
|
|
if (fd >= 0) {
|
2014-06-09 00:42:15 +01:00
|
|
|
close(default_fd);
|
|
|
|
} else {
|
|
|
|
fd = default_fd;
|
|
|
|
is_different_device = 0;
|
|
|
|
}
|
|
|
|
free(device_name);
|
|
|
|
|
|
|
|
default_device_clean:
|
|
|
|
free(default_device_id_path_tag);
|
|
|
|
udev_clean:
|
|
|
|
udev_unref(udev);
|
|
|
|
prime_clean:
|
|
|
|
free(prime);
|
|
|
|
|
|
|
|
*different_device = is_different_device;
|
|
|
|
return fd;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
int loader_get_user_preferred_fd(int default_fd, int *different_device)
|
|
|
|
{
|
|
|
|
*different_device = 0;
|
|
|
|
return default_fd;
|
|
|
|
}
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
|
2014-05-22 04:07:42 +01:00
|
|
|
#if defined(HAVE_SYSFS)
|
|
|
|
static int
|
|
|
|
dev_node_from_fd(int fd, unsigned int *maj, unsigned int *min)
|
|
|
|
{
|
|
|
|
struct stat buf;
|
|
|
|
|
|
|
|
if (fstat(fd, &buf) < 0) {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: failed to stat fd %d\n", fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!S_ISCHR(buf.st_mode)) {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: fd %d not a character device\n", fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
*maj = major(buf.st_rdev);
|
|
|
|
*min = minor(buf.st_rdev);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
sysfs_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
|
|
|
|
{
|
|
|
|
unsigned int maj, min;
|
|
|
|
FILE *f;
|
|
|
|
char buf[0x40];
|
|
|
|
|
|
|
|
if (dev_node_from_fd(fd, &maj, &min) < 0) {
|
|
|
|
*chip_id = -1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/vendor", maj, min);
|
|
|
|
if (!(f = fopen(buf, "r"))) {
|
|
|
|
*chip_id = -1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (fscanf(f, "%x", vendor_id) != 1) {
|
|
|
|
*chip_id = -1;
|
|
|
|
fclose(f);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/device/device", maj, min);
|
|
|
|
if (!(f = fopen(buf, "r"))) {
|
|
|
|
*chip_id = -1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (fscanf(f, "%x", chip_id) != 1) {
|
|
|
|
*chip_id = -1;
|
|
|
|
fclose(f);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
#if !defined(__NOT_HAVE_DRM_H)
|
2014-01-10 23:36:16 +00:00
|
|
|
/* for i915 */
|
|
|
|
#include <i915_drm.h>
|
|
|
|
/* for radeon */
|
|
|
|
#include <radeon_drm.h>
|
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
static int
|
|
|
|
drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
|
2014-01-10 23:36:16 +00:00
|
|
|
{
|
|
|
|
drmVersionPtr version;
|
|
|
|
|
|
|
|
*chip_id = -1;
|
|
|
|
|
|
|
|
version = drmGetVersion(fd);
|
|
|
|
if (!version) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: invalid drm fd\n");
|
2014-03-18 14:59:15 +00:00
|
|
|
return 0;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
|
|
|
if (!version->name) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: unable to determine the driver name\n");
|
2014-01-10 23:36:16 +00:00
|
|
|
drmFreeVersion(version);
|
2014-03-18 14:59:15 +00:00
|
|
|
return 0;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (strcmp(version->name, "i915") == 0) {
|
|
|
|
struct drm_i915_getparam gp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
*vendor_id = 0x8086;
|
|
|
|
|
|
|
|
memset(&gp, 0, sizeof(gp));
|
|
|
|
gp.param = I915_PARAM_CHIPSET_ID;
|
|
|
|
gp.value = chip_id;
|
|
|
|
ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
|
|
|
|
if (ret) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: failed to get param for i915\n");
|
2014-01-10 23:36:16 +00:00
|
|
|
*chip_id = -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (strcmp(version->name, "radeon") == 0) {
|
|
|
|
struct drm_radeon_info info;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
*vendor_id = 0x1002;
|
|
|
|
|
|
|
|
memset(&info, 0, sizeof(info));
|
|
|
|
info.request = RADEON_INFO_DEVICE_ID;
|
|
|
|
info.value = (unsigned long) chip_id;
|
|
|
|
ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
|
|
|
|
if (ret) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: failed to get info for radeon\n");
|
2014-01-10 23:36:16 +00:00
|
|
|
*chip_id = -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (strcmp(version->name, "nouveau") == 0) {
|
|
|
|
*vendor_id = 0x10de;
|
|
|
|
/* not used */
|
|
|
|
*chip_id = 0;
|
|
|
|
}
|
|
|
|
else if (strcmp(version->name, "vmwgfx") == 0) {
|
|
|
|
*vendor_id = 0x15ad;
|
|
|
|
/* assume SVGA II */
|
|
|
|
*chip_id = 0x0405;
|
|
|
|
}
|
|
|
|
|
|
|
|
drmFreeVersion(version);
|
|
|
|
|
|
|
|
return (*chip_id >= 0);
|
|
|
|
}
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
|
|
|
|
{
|
2014-05-22 03:39:15 +01:00
|
|
|
#if HAVE_LIBUDEV
|
|
|
|
if (libudev_get_pci_id_for_fd(fd, vendor_id, chip_id))
|
|
|
|
return 1;
|
|
|
|
#endif
|
2014-05-22 04:07:42 +01:00
|
|
|
#if HAVE_SYSFS
|
|
|
|
if (sysfs_get_pci_id_for_fd(fd, vendor_id, chip_id))
|
|
|
|
return 1;
|
|
|
|
#endif
|
2014-05-22 03:39:15 +01:00
|
|
|
#if !defined(__NOT_HAVE_DRM_H)
|
|
|
|
if (drm_get_pci_id_for_fd(fd, vendor_id, chip_id))
|
|
|
|
return 1;
|
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
#ifdef HAVE_LIBUDEV
|
|
|
|
static char *
|
|
|
|
libudev_get_device_name_for_fd(int fd)
|
2014-01-10 23:36:16 +00:00
|
|
|
{
|
|
|
|
char *device_name = NULL;
|
|
|
|
struct udev *udev;
|
|
|
|
struct udev_device *device;
|
|
|
|
const char *const_device_name;
|
2014-01-23 21:12:26 +00:00
|
|
|
UDEV_SYMBOL(struct udev *, udev_new, (void));
|
|
|
|
UDEV_SYMBOL(const char *, udev_device_get_devnode,
|
|
|
|
(struct udev_device *));
|
|
|
|
UDEV_SYMBOL(struct udev_device *, udev_device_unref,
|
|
|
|
(struct udev_device *));
|
|
|
|
UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *));
|
2014-01-10 23:36:16 +00:00
|
|
|
|
2014-06-27 13:22:04 +01:00
|
|
|
if (dlsym_failed)
|
|
|
|
return NULL;
|
|
|
|
|
2014-01-10 23:36:16 +00:00
|
|
|
udev = udev_new();
|
|
|
|
device = udev_device_new_from_fd(udev, fd);
|
|
|
|
if (device == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
const_device_name = udev_device_get_devnode(device);
|
|
|
|
if (!const_device_name)
|
|
|
|
goto out;
|
|
|
|
device_name = strdup(const_device_name);
|
|
|
|
|
|
|
|
out:
|
|
|
|
udev_device_unref(device);
|
|
|
|
udev_unref(udev);
|
|
|
|
return device_name;
|
|
|
|
}
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
2014-05-22 04:07:42 +01:00
|
|
|
#if HAVE_SYSFS
|
|
|
|
static char *
|
|
|
|
sysfs_get_device_name_for_fd(int fd)
|
|
|
|
{
|
|
|
|
char *device_name = NULL;
|
|
|
|
unsigned int maj, min;
|
|
|
|
FILE *f;
|
|
|
|
char buf[0x40];
|
|
|
|
static const char match[9] = "\0DEVNAME=";
|
|
|
|
int expected = 1;
|
|
|
|
|
|
|
|
if (dev_node_from_fd(fd, &maj, &min) < 0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf), "/sys/dev/char/%d:%d/uevent", maj, min);
|
|
|
|
if (!(f = fopen(buf, "r")))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
while (expected < sizeof(match)) {
|
|
|
|
int c = getc(f);
|
|
|
|
|
|
|
|
if (c == EOF) {
|
|
|
|
fclose(f);
|
|
|
|
return NULL;
|
|
|
|
} else if (c == match[expected] )
|
|
|
|
expected++;
|
|
|
|
else
|
|
|
|
expected = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
strcpy(buf, "/dev/");
|
|
|
|
if (fgets(buf + 5, sizeof(buf) - 5, f))
|
|
|
|
device_name = strdup(buf);
|
|
|
|
|
|
|
|
fclose(f);
|
|
|
|
return device_name;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
char *
|
|
|
|
loader_get_device_name_for_fd(int fd)
|
|
|
|
{
|
|
|
|
char *result = NULL;
|
|
|
|
|
|
|
|
#if HAVE_LIBUDEV
|
|
|
|
if ((result = libudev_get_device_name_for_fd(fd)))
|
|
|
|
return result;
|
2014-05-22 04:07:42 +01:00
|
|
|
#endif
|
|
|
|
#if HAVE_SYSFS
|
|
|
|
if ((result = sysfs_get_device_name_for_fd(fd)))
|
|
|
|
return result;
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
|
|
|
return result;
|
|
|
|
}
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
char *
|
|
|
|
loader_get_driver_for_fd(int fd, unsigned driver_types)
|
|
|
|
{
|
|
|
|
int vendor_id, chip_id, i, j;
|
|
|
|
char *driver = NULL;
|
|
|
|
|
|
|
|
if (!driver_types)
|
|
|
|
driver_types = _LOADER_GALLIUM | _LOADER_DRI;
|
|
|
|
|
|
|
|
if (!loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) {
|
2014-01-19 03:09:03 +00:00
|
|
|
|
|
|
|
#ifndef __NOT_HAVE_DRM_H
|
2013-12-14 19:28:33 +00:00
|
|
|
/* fallback to drmGetVersion(): */
|
|
|
|
drmVersionPtr version = drmGetVersion(fd);
|
|
|
|
|
|
|
|
if (!version) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "failed to get driver name for fd %d\n", fd);
|
2013-12-14 19:28:33 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
driver = strndup(version->name, version->name_len);
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_INFO, "using driver %s for %d\n", driver, fd);
|
2013-12-14 19:28:33 +00:00
|
|
|
|
|
|
|
drmFreeVersion(version);
|
2014-01-19 03:09:03 +00:00
|
|
|
#endif
|
2013-12-14 19:28:33 +00:00
|
|
|
|
|
|
|
return driver;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; driver_map[i].driver; i++) {
|
|
|
|
if (vendor_id != driver_map[i].vendor_id)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!(driver_types & driver_map[i].driver_types))
|
|
|
|
continue;
|
|
|
|
|
2014-03-17 18:42:12 +00:00
|
|
|
if (driver_map[i].predicate && !driver_map[i].predicate(fd))
|
|
|
|
continue;
|
|
|
|
|
2014-01-10 23:36:16 +00:00
|
|
|
if (driver_map[i].num_chips_ids == -1) {
|
|
|
|
driver = strdup(driver_map[i].driver);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (j = 0; j < driver_map[i].num_chips_ids; j++)
|
|
|
|
if (driver_map[i].chip_ids[j] == chip_id) {
|
|
|
|
driver = strdup(driver_map[i].driver);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
out:
|
2014-01-23 17:59:39 +00:00
|
|
|
log_(driver ? _LOADER_DEBUG : _LOADER_WARNING,
|
2014-01-27 12:53:32 +00:00
|
|
|
"pci id for fd %d: %04x:%04x, driver %s\n",
|
2014-01-10 23:36:16 +00:00
|
|
|
fd, vendor_id, chip_id, driver);
|
|
|
|
return driver;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
loader_set_logger(void (*logger)(int level, const char *fmt, ...))
|
|
|
|
{
|
2014-01-20 13:57:12 +00:00
|
|
|
log_ = logger;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|