diff options
Diffstat (limited to 'src/gallium/targets/gbm/pipe_loader.c')
| -rw-r--r-- | src/gallium/targets/gbm/pipe_loader.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/gallium/targets/gbm/pipe_loader.c b/src/gallium/targets/gbm/pipe_loader.c deleted file mode 100644 index 6200541dbf0..00000000000 --- a/src/gallium/targets/gbm/pipe_loader.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright © 2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Kristian Høgsberg <[email protected]> - * Benjamin Franzke <[email protected]> - */ - -#include <stdio.h> -#include "util/u_string.h" -#include "util/u_memory.h" - -#include <libudev.h> - -#include "gbm_gallium_drmint.h" -#include "pipe_loader.h" -#define DRIVER_MAP_GALLIUM_ONLY -#include "pci_ids/pci_id_driver_map.h" - -static struct pipe_module pipe_modules[16]; - -static INLINE char * -loader_strdup(const char *str) -{ - return mem_dup(str, strlen(str) + 1); -} - -char * -drm_fd_get_screen_name(int fd) -{ - struct udev *udev; - struct udev_device *device, *parent; - const char *pci_id; - char *driver = NULL; - int vendor_id, chip_id, i, j; - - udev = udev_new(); - device = _gbm_udev_device_new_from_fd(udev, fd); - if (device == NULL) - return NULL; - - parent = udev_device_get_parent(device); - if (parent == NULL) { - fprintf(stderr, "gbm: could not get parent device"); - goto out; - } - - pci_id = udev_device_get_property_value(parent, "PCI_ID"); - if (pci_id == NULL || - sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) { - fprintf(stderr, "gbm: malformed or no PCI ID"); - goto out; - } - - for (i = 0; driver_map[i].driver; i++) { - if (vendor_id != driver_map[i].vendor_id) - continue; - if (driver_map[i].num_chips_ids == -1) { - driver = loader_strdup(driver_map[i].driver); - _gbm_log("pci id for %d: %04x:%04x, driver %s", - fd, vendor_id, chip_id, driver); - goto out; - } - - for (j = 0; j < driver_map[i].num_chips_ids; j++) - if (driver_map[i].chip_ids[j] == chip_id) { - driver = loader_strdup(driver_map[i].driver); - _gbm_log("pci id for %d: %04x:%04x, driver %s", - fd, vendor_id, chip_id, driver); - goto out; - } - } - -out: - udev_device_unref(device); - udev_unref(udev); - - return driver; -} - -static void -find_pipe_module(struct pipe_module *pmod, const char *name) -{ - char *search_paths, *end, *next, *p; - char path[PATH_MAX]; - int ret; - - search_paths = NULL; - if (geteuid() == getuid()) { - /* don't allow setuid apps to use GBM_BACKENDS_PATH */ - search_paths = getenv("GBM_BACKENDS_PATH"); - } - if (search_paths == NULL) - search_paths = GBM_BACKEND_SEARCH_DIR; - - end = search_paths + strlen(search_paths); - for (p = search_paths; p < end && pmod->lib == NULL; p = next + 1) { - int len; - next = strchr(p, ':'); - if (next == NULL) - next = end; - - len = next - p; - - if (len) { - ret = util_snprintf(path, sizeof(path), - "%.*s/" PIPE_PREFIX "%s" UTIL_DL_EXT, len, p, pmod->name); - } - else { - ret = util_snprintf(path, sizeof(path), - PIPE_PREFIX "%s" UTIL_DL_EXT, pmod->name); - } - if (ret > 0 && ret < sizeof(path)) { - pmod->lib = util_dl_open(path); - debug_printf("loaded %s\n", path); - } - - } -} - -static boolean -load_pipe_module(struct pipe_module *pmod, const char *name) -{ - pmod->name = loader_strdup(name); - if (!pmod->name) - return FALSE; - - find_pipe_module(pmod, name); - - if (pmod->lib) { - pmod->drmdd = (const struct drm_driver_descriptor *) - util_dl_get_proc_address(pmod->lib, "driver_descriptor"); - - /* sanity check on the name */ - if (pmod->drmdd && strcmp(pmod->drmdd->name, pmod->name) != 0) - pmod->drmdd = NULL; - - if (!pmod->drmdd) { - util_dl_close(pmod->lib); - pmod->lib = NULL; - } - } - - return (pmod->drmdd != NULL); -} - -struct pipe_module * -get_pipe_module(const char *name) -{ - struct pipe_module *pmod = NULL; - int i; - - if (!name) - return NULL; - - for (i = 0; i < Elements(pipe_modules); i++) { - if (!pipe_modules[i].initialized || - strcmp(pipe_modules[i].name, name) == 0) { - pmod = &pipe_modules[i]; - break; - } - } - if (!pmod) - return NULL; - - if (!pmod->initialized) { - load_pipe_module(pmod, name); - pmod->initialized = TRUE; - } - - return pmod; -} |