diff options
Diffstat (limited to 'xf86drm.c')
| -rw-r--r-- | xf86drm.c | 100 |
1 files changed, 0 insertions, 100 deletions
@@ -63,7 +63,6 @@ #include "xf86drm.h" #include "libdrm_macros.h" -#include "libudev.h" #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) #define DRM_MAJOR 145 @@ -2816,102 +2815,3 @@ char *drmGetRenderDeviceNameFromFd(int fd) { return drmGetMinorNameForFD(fd, DRM_NODE_RENDER); } - -/** -* Enumerate the GPU devices on the system -* -* \param devs device array set to return the device information -* (if NULL, the number of device is returned) -* \param vendor the vendor ID for GPU devices to list -* (optional, if not specified, all GPU devices are returned) -* -* \return the number of GPU devices -*/ -int drmGetPciDevices(drmPciDevicePtr devSet, uint16_t vendorId) -{ - struct udev *udev = NULL; - struct udev_enumerate *udev_enumerate; - struct udev_list_entry *list_entry; - struct udev_device *device; - int drmDevCount = 0; - int vendor = 0; - int devid = 0; - int subvendor = 0; - int subdevid = 0; - int revid = 0xff; - int domain = 0; - int bus = 0; - int dev = 0; - int func = 0; - char config[64] = {0}; - char node[128] = {'\0'}; - char slot[] = "0000:00:00.0"; - const char *info = NULL; - int fd = 0; - int ret = 0; - - udev = udev_new(); - if (udev == NULL) { - fprintf(stderr, "no context\n"); - return -EINVAL; - } - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -EINVAL; - udev_enumerate_add_match_subsystem(udev_enumerate, "drm"); - udev_enumerate_add_match_property(udev_enumerate, "DEVTYPE", "drm_minor"); - - udev_enumerate_scan_devices(udev_enumerate); - - udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { - device = udev_device_new_from_syspath(udev_enumerate_get_udev(udev_enumerate), - udev_list_entry_get_name(list_entry)); - if (device != NULL) { - info = udev_device_get_property_value(device, "MINOR"); - if (!strcmp(info, "0")) { - strcpy(node, udev_device_get_syspath(device)); - info = strstr(node, "/drm"); - strncpy(slot, info - strlen(slot), strlen(slot)); - if (sscanf(slot, "%4x:%2x:%2x.%1x", &domain, &bus, &dev, &func) != 4) { - domain = 0; - bus = 0; - dev = 0; - func = 0; - } - strcpy(node + strlen(node), "/device/config"); - - fd = open(node, O_RDONLY); - if (fd >= 0) { - ret = read(fd, config, 64); - if (ret == 64) { - vendor = config[0] + (config[1] << 8); - devid = config[2] + (config[3] << 8); - revid = config[8]; - subdevid = config[44] + (config[45] << 8); - } - close(fd); - } - - if((vendorId == 0) || (vendorId == vendor)) { - if(devSet != NULL) { - devSet[drmDevCount].domain = domain; - devSet[drmDevCount].bus = bus; - devSet[drmDevCount].dev = dev; - devSet[drmDevCount].func = func; - devSet[drmDevCount].vendor_id = vendor; - devSet[drmDevCount].device_id = devid; - devSet[drmDevCount].subdevice_id = subdevid; - devSet[drmDevCount].subvendor_id = subvendor; - devSet[drmDevCount].revision_id = revid; - } - drmDevCount++; - } - } - } - udev_device_unref(device); - } - udev_enumerate_unref(udev_enumerate); - udev_unref(udev); - - return drmDevCount; -} |