static void print_table_entry(NVCTRLAttributePermissionsRec *perms,
const int index,
const char *name)
{
/*
* Don't print the attribute if *both* the permissions are empty
* and the attribute table was missing an entry for the attribute.
* Either condition by itself is acceptable:
*
* - Event-only attributes (e.g., NV_CTRL_GVO_CSC_CHANGED_EVENT)
* don't have any permissions.
*
* - A missing table entry could just mean the table is stale
* relative to NVCtrl.h.
*/
if ((perms->permissions == 0) && (name == NULL)) {
return;
}
printf(" (%3d) [Perms: ", index);
print_perms(perms);
printf("] [ ");
printf("%-32s", GetAttrTypeName(perms->type));
printf("] - %s\n", name ? name : "Unknown");
}
int main(void)
{
Display *dpy;
Bool ret;
int event_base, error_base, major, minor, screens, i;
char *str;
/*
* open a connection to the X server indicated by the DISPLAY
* environment variable
*/
dpy = XOpenDisplay(NULL);
if (!dpy) {
fprintf(stderr, "Cannot open display '%s'.\n", XDisplayName(NULL));
return 1;
}
/*
* check if the NV-CONTROL X extension is present on this X server
*/
ret = XNVCTRLQueryExtension(dpy, &event_base, &error_base);
if (ret != True) {
fprintf(stderr, "The NV-CONTROL X extension does not exist on '%s'.\n",
XDisplayName(NULL));
return 1;
}
/*
* query the major and minor extension version
*/
ret = XNVCTRLQueryVersion(dpy, &major, &minor);
if (ret != True) {
fprintf(stderr, "The NV-CONTROL X extension does not exist on '%s'.\n",
XDisplayName(NULL));
return 1;
}
/*
* print statistics thus far
*/
printf("NV-CONTROL X extension present\n");
printf(" version : %d.%d\n", major, minor);
printf(" event base : %d\n", event_base);
printf(" error base : %d\n", error_base);
/*
* loop over each screen, and determine if each screen is
* controlled by the NVIDIA X driver (and thus supports the
* NV-CONTROL X extension); then, query the string attributes on
* the screen.
*/
screens = ScreenCount(dpy);
for (i = 0; i < screens; i++) {
if (XNVCTRLIsNvScreen(dpy, i)) {
printf("Screen %d supports the NV-CONTROL X extension\n", i);
ret = XNVCTRLQueryStringAttribute(dpy, i,
0, /* XXX not curently used */
NV_CTRL_STRING_PRODUCT_NAME,
&str);
if (ret) {
printf(" GPU : %s\n", str);
XFree(str);
}
ret = XNVCTRLQueryStringAttribute(dpy, i,
0, /* XXX not curently used */
NV_CTRL_STRING_VBIOS_VERSION,
&str);
if (ret) {
printf(" VideoBIOS : %s\n", str);
XFree(str);
}
ret = XNVCTRLQueryStringAttribute(dpy, i,
0, /* XXX not curently used */
NV_CTRL_STRING_NVIDIA_DRIVER_VERSION,
&str);
if (ret) {
printf(" Driver version : %s\n", str);
XFree(str);
}
}
}
/*
* print attribute permission and type information.
*/
printf("Attributes (Integers):\n");
for (i = 0; i < NV_CTRL_LAST_ATTRIBUTE; i++) {
const char *name = attr2str(i, attr_int_table);
if (name) {
NVCTRLAttributePermissionsRec perms;
printf(" (%3d) [Perms: ", i);
memset(&perms, 0, sizeof(NVCTRLAttributePermissionsRec));
XNVCTRLQueryAttributePermissions(dpy, i, &perms);
print_perms(&perms);
printf("] [ ");
printf("%-32s", GetAttrTypeName(perms.type));
printf("] - %s\n", name);
}
}
printf("Attributes (Strings):\n");
for (i = 0; i < NV_CTRL_STRING_LAST_ATTRIBUTE; i++) {
const char *name = attr2str(i, attr_str_table);
if (name) {
NVCTRLAttributePermissionsRec perms;
printf(" (%3d) [Perms: ", i);
memset(&perms, 0, sizeof(NVCTRLAttributePermissionsRec));
XNVCTRLQueryStringAttributePermissions(dpy, i, &perms);
print_perms(&perms);
printf("] [ ");
printf("%-32s", GetAttrTypeName(perms.type));
printf("] - %s\n", name);
}
}
printf("Attributes (Binary Data):\n");
for (i = 0; i < NV_CTRL_BINARY_DATA_LAST_ATTRIBUTE; i++) {
const char *name = attr2str(i, attr_bin_table);
if (name) {
NVCTRLAttributePermissionsRec perms;
printf(" (%3d) [Perms: ", i);
memset(&perms, 0, sizeof(NVCTRLAttributePermissionsRec));
XNVCTRLQueryBinaryDataAttributePermissions(dpy, i, &perms);
print_perms(&perms);
printf("] [ ");
printf("%-32s", GetAttrTypeName(perms.type));
printf("] - %s\n", name);
}
}
printf("Attributes (String Operations):\n");
for (i = 0; i < NV_CTRL_STRING_OPERATION_LAST_ATTRIBUTE; i++) {
const char *name = attr2str(i, attr_strop_table);
if (name) {
NVCTRLAttributePermissionsRec perms;
printf(" (%3d) [Perms: ", i);
memset(&perms, 0, sizeof(NVCTRLAttributePermissionsRec));
XNVCTRLQueryStringOperationAttributePermissions(dpy, i, &perms);
print_perms(&perms);
printf("] [ ");
printf("%-32s", GetAttrTypeName(perms.type));
printf("] - %s\n", name);
}
}
/*
* close the display connection
*/
XCloseDisplay(dpy);
return 0;
}
