diff options
Diffstat (limited to 'src/loader')
| -rw-r--r-- | src/loader/loader.c | 172 |
1 files changed, 16 insertions, 156 deletions
diff --git a/src/loader/loader.c b/src/loader/loader.c index 3e60e4c..320a393 100644 --- a/src/loader/loader.c +++ b/src/loader/loader.c @@ -204,57 +204,6 @@ udev_device_new_from_fd(struct udev *udev, int fd) return device; } -static int -libudev_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) -{ - struct udev *udev = NULL; - struct udev_device *device = NULL, *parent; - const char *pci_id; - UDEV_SYMBOL(struct udev *, udev_new, (void)); - UDEV_SYMBOL(struct udev_device *, udev_device_get_parent, - (struct udev_device *)); - UDEV_SYMBOL(const char *, udev_device_get_property_value, - (struct udev_device *, const char *)); - UDEV_SYMBOL(struct udev_device *, udev_device_unref, - (struct udev_device *)); - UDEV_SYMBOL(struct udev *, udev_unref, (struct udev *)); - - *chip_id = -1; - - if (dlsym_failed) - return 0; - - udev = udev_new(); - device = udev_device_new_from_fd(udev, fd); - if (!device) - goto out; - - parent = udev_device_get_parent(device); - if (parent == NULL) { - log_(_LOADER_WARNING, "MESA-LOADER: could not get parent device\n"); - goto out; - } - - pci_id = udev_device_get_property_value(parent, "PCI_ID"); - if (pci_id == NULL) { - log_(_LOADER_INFO, "MESA-LOADER: no PCI ID\n"); - *chip_id = -1; - goto out; - } else if (sscanf(pci_id, "%x:%x", vendor_id, chip_id) != 2) { - log_(_LOADER_WARNING, "MESA-LOADER: malformed PCI ID\n"); - *chip_id = -1; - goto out; - } - -out: - if (device) - udev_device_unref(device); - if (udev) - udev_unref(udev); - - return (*chip_id >= 0); -} - static char * get_render_node_from_id_path_tag(struct udev *udev, char *id_path_tag, @@ -471,113 +420,32 @@ dev_node_from_fd(int fd, unsigned int *maj, unsigned int *min) } #endif -#if defined(HAVE_SYSFS) -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 - #if defined(HAVE_LIBDRM) -/* for i915 */ -#include <i915_drm.h> -/* for radeon */ -#include <radeon_drm.h> static int drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) { - drmVersionPtr version; - - *chip_id = -1; - - version = drmGetVersion(fd); - if (!version) { - log_(_LOADER_WARNING, "MESA-LOADER: invalid drm fd\n"); - return 0; - } - if (!version->name) { - log_(_LOADER_WARNING, "MESA-LOADER: unable to determine the driver name\n"); - drmFreeVersion(version); - return 0; - } - - 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) { - log_(_LOADER_WARNING, "MESA-LOADER: failed to get param for i915\n"); - *chip_id = -1; + drmDevicePtr device; + int ret; + + if (drmGetDevice(fd, &device) == 0) { + if (device->bustype == DRM_BUS_PCI) { + *vendor_id = device->deviceinfo.pci->vendor_id; + *chip_id = device->deviceinfo.pci->device_id; + ret = 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) { - log_(_LOADER_WARNING, "MESA-LOADER: failed to get info for radeon\n"); - *chip_id = -1; + else { + log_(_LOADER_WARNING, "MESA-LOADER: device is not located on the PCI bus\n"); + ret = 0; } + drmFreeDevice(&device); } - 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; + else { + log_(_LOADER_WARNING, "MESA-LOADER: failed to retrieve device information\n"); + ret = 0; } - drmFreeVersion(version); - - return (*chip_id >= 0); + return ret; } #endif @@ -585,14 +453,6 @@ drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) int loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id) { -#if HAVE_LIBUDEV - if (libudev_get_pci_id_for_fd(fd, vendor_id, chip_id)) - return 1; -#endif -#if HAVE_SYSFS - if (sysfs_get_pci_id_for_fd(fd, vendor_id, chip_id)) - return 1; -#endif #if HAVE_LIBDRM if (drm_get_pci_id_for_fd(fd, vendor_id, chip_id)) return 1; |