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#include <stdio.h>
#include "util/u_string.h"
#include "util/u_memory.h"
#include <libudev.h>
#include "pci_list.h"
#include "gbm_gallium_drmint.h"
#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
static INLINE char *
_strdup(const char *str)
{
return mem_dup(str, strlen(str) + 1);
}
char *
util_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; i < Elements(driver_map); i++) {
if (vendor_id != driver_map[i].vendor_id)
continue;
if (driver_map[i].num_chips_ids == -1) {
driver = strdup(driver_map[i].driver);
#if 0
fprintf(stderr, "pci id for %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver);
#endif
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);
#if 0
fprintf(stderr,
"pci id for %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver);
#endif
goto out;
}
}
out:
udev_device_unref(device);
udev_unref(udev);
return driver;
}
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