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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#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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2014-01-28 10:15:17 +00:00
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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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#include "pci_ids/pci_id_driver_map.h"
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static void default_logger(int level, const char *fmt, ...)
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{
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if (level >= _LOADER_WARNING) {
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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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#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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}
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return udev_handle;
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}
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static void *
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asserted_dlsym(void *dlopen_handle, const char *name)
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{
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void *result = dlsym(dlopen_handle, name);
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assert(result);
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return result;
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}
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#define UDEV_SYMBOL(ret, name, args) \
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ret (*name) args = asserted_dlsym(udev_dlopen_handle(), #name);
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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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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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int
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loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
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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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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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if (pci_id == NULL ||
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sscanf(pci_id, "%x:%x", vendor_id, chip_id) != 2) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: malformed or no 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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2014-01-19 03:09:03 +00:00
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#elif defined(ANDROID) && !defined(__NOT_HAVE_DRM_H)
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2014-01-10 23:36:16 +00:00
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/* for i915 */
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#include <i915_drm.h>
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/* for radeon */
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#include <radeon_drm.h>
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int
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loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
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{
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drmVersionPtr version;
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*chip_id = -1;
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version = drmGetVersion(fd);
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if (!version) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: invalid drm fd\n");
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2014-01-10 23:36:16 +00:00
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return FALSE;
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}
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if (!version->name) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: unable to determine the driver name\n");
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2014-01-10 23:36:16 +00:00
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drmFreeVersion(version);
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return FALSE;
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}
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if (strcmp(version->name, "i915") == 0) {
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struct drm_i915_getparam gp;
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int ret;
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*vendor_id = 0x8086;
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memset(&gp, 0, sizeof(gp));
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gp.param = I915_PARAM_CHIPSET_ID;
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gp.value = chip_id;
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ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
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if (ret) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: failed to get param for i915\n");
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2014-01-10 23:36:16 +00:00
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*chip_id = -1;
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}
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}
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else if (strcmp(version->name, "radeon") == 0) {
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struct drm_radeon_info info;
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int ret;
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*vendor_id = 0x1002;
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memset(&info, 0, sizeof(info));
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info.request = RADEON_INFO_DEVICE_ID;
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info.value = (unsigned long) chip_id;
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ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (ret) {
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2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "MESA-LOADER: failed to get info for radeon\n");
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2014-01-10 23:36:16 +00:00
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*chip_id = -1;
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}
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}
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else if (strcmp(version->name, "nouveau") == 0) {
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*vendor_id = 0x10de;
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/* not used */
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*chip_id = 0;
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}
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else if (strcmp(version->name, "vmwgfx") == 0) {
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*vendor_id = 0x15ad;
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/* assume SVGA II */
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*chip_id = 0x0405;
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}
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drmFreeVersion(version);
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return (*chip_id >= 0);
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}
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#else
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int
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loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
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{
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return 0;
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}
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#endif
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char *
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loader_get_device_name_for_fd(int fd)
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{
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char *device_name = NULL;
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#ifdef HAVE_LIBUDEV
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struct udev *udev;
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struct udev_device *device;
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const char *const_device_name;
|
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(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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UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *));
|
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 == NULL)
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return NULL;
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const_device_name = udev_device_get_devnode(device);
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if (!const_device_name)
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goto out;
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device_name = strdup(const_device_name);
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out:
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udev_device_unref(device);
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udev_unref(udev);
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#endif
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return device_name;
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}
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char *
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|
|
loader_get_driver_for_fd(int fd, unsigned driver_types)
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|
|
{
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int vendor_id, chip_id, i, j;
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char *driver = NULL;
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if (!driver_types)
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driver_types = _LOADER_GALLIUM | _LOADER_DRI;
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if (!loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) {
|
2014-01-19 03:09:03 +00:00
|
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|
#ifndef __NOT_HAVE_DRM_H
|
2013-12-14 19:28:33 +00:00
|
|
|
/* fallback to drmGetVersion(): */
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drmVersionPtr version = drmGetVersion(fd);
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if (!version) {
|
2014-01-27 12:53:32 +00:00
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log_(_LOADER_WARNING, "failed to get driver name for fd %d\n", fd);
|
2013-12-14 19:28:33 +00:00
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return NULL;
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}
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|
driver = strndup(version->name, version->name_len);
|
2014-01-27 12:53:32 +00:00
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|
log_(_LOADER_INFO, "using driver %s for %d\n", driver, fd);
|
2013-12-14 19:28:33 +00:00
|
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|
drmFreeVersion(version);
|
2014-01-19 03:09:03 +00:00
|
|
|
#endif
|
2013-12-14 19:28:33 +00:00
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|
return driver;
|
2014-01-10 23:36:16 +00:00
|
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|
}
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|
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|
|
for (i = 0; driver_map[i].driver; i++) {
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|
|
if (vendor_id != driver_map[i].vendor_id)
|
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|
|
continue;
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|
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|
|
if (!(driver_types & driver_map[i].driver_types))
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|
|
continue;
|
|
|
|
|
|
|
|
if (driver_map[i].num_chips_ids == -1) {
|
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|
|
driver = strdup(driver_map[i].driver);
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|
|
goto out;
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|
}
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|
|
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:
|
2014-01-20 13:57:12 +00:00
|
|
|
log_(driver ? _LOADER_INFO : _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
|
|
|
}
|