static XConfigScreenPtr clone_screen(XConfigScreenPtr screen0, int idx)
{
XConfigScreenPtr screen = nvalloc(sizeof(XConfigScreenRec));
screen->identifier = nvasprintf("%s (%d)", screen0->identifier, idx);
screen->device = clone_device(screen0->device, idx);
screen->device_name = nvstrdup(screen->device->identifier);
screen->monitor = screen0->monitor;
screen->monitor_name = nvstrdup(screen0->monitor_name);
screen->defaultdepth = screen0->defaultdepth;
screen->displays = clone_display_list(screen0->displays);
screen->options = xconfigOptionListDup(screen0->options);
if (screen0->comment) screen->comment = nvstrdup(screen0->comment);
/* insert the new screen after the original screen */
screen->next = screen0->next;
screen0->next = screen;
return screen;
} /* clone_screen() */
static void create_adjacencies(Options *op, XConfigPtr config,
XConfigLayoutPtr layout)
{
XConfigAdjacencyPtr adj, prev_adj;
XConfigScreenPtr screen;
int i;
i = 0;
prev_adj = NULL;
for (screen = config->screens; screen; screen = screen->next) {
adj = nvalloc(sizeof(XConfigAdjacencyRec));
adj->scrnum = i;
adj->screen_name = nvstrdup(screen->identifier);
adj->screen = screen;
if (prev_adj) {
prev_adj->next = adj;
} else {
layout->adjacencies = adj;
}
prev_adj = adj;
i++;
}
xconfigGenerateAssignScreenAdjacencies(layout);
} /* create_adjacencies() */
void *nvrealloc(void *ptr, size_t size)
{
void *m;
if (ptr == NULL) return nvalloc(size);
m = realloc(ptr, size);
if (!m) {
fprintf(stderr, "%s: memory re-allocation failure (%s)! \n",
PROGRAM_NAME, strerror(errno));
exit(1);
}
return m;
} /* nvrealloc() */
/*
* Read from the given FILE stream until a newline, EOF, or nul
* terminator is encountered, writing data into a growable buffer.
* The eof parameter is set to TRUE when EOF is encountered. In all
* cases, the returned string is null-terminated.
*
* XXX this function will be rather slow because it uses fgetc() to
* pull each character off the stream one at a time; this is done so
* that each character can be examined as it's read so that we can
* appropriately deal with EOFs and newlines. A better implementation
* would use fgets(), but that would still require us to parse each
* read line, checking for newlines or guessing if we hit an EOF.
*/
char *fget_next_line(FILE *fp, int *eof)
{
char *buf = NULL, *tmpbuf;
char *c = NULL;
int len = 0, buflen = 0;
int ret;
const int __fget_next_line_len = 32;
if (eof) {
*eof = FALSE;
}
while (1) {
if (buflen == len) { /* buffer isn't big enough -- grow it */
buflen += __fget_next_line_len;
tmpbuf = nvalloc(buflen);
if (buf) {
memcpy(tmpbuf, buf, len);
nvfree(buf);
}
buf = tmpbuf;
c = buf + len;
}
ret = fgetc(fp);
if ((ret == EOF) && (eof)) {
*eof = TRUE;
}
if ((ret == EOF) || (ret == '\n') || (ret == '\0')) {
*c = '\0';
return buf;
}
*c = (char) ret;
len++;
c++;
} /* while (1) */
return NULL; /* should never get here */
}
static XConfigDisplayPtr clone_display_list(XConfigDisplayPtr display0)
{
XConfigDisplayPtr d = NULL, prev = NULL, head = NULL;
while (display0) {
d = nvalloc(sizeof(XConfigDisplayRec));
memcpy(d, display0, sizeof(XConfigDisplayRec));
if (display0->visual) d->visual = nvstrdup(display0->visual);
if (display0->comment) d->comment = nvstrdup(display0->comment);
d->options = xconfigOptionListDup(display0->options);
d->next = NULL;
if (prev) prev->next = d;
if (!head) head = d;
prev = d;
display0 = display0->next;
}
return head;
} /* clone_display_list() */
void ctk_help_data_list_prepend(GList **list,
const gchar *label,
const gchar *help_text,
const gchar *extended_help_text)
{
CtkHelpDataItem *item;
if (!label || !help_text) {
return;
}
item = nvalloc(sizeof(CtkHelpDataItem));
item->label = nvstrdup(label);
item->help_text = nvstrdup(help_text);
item->extended_help_text = extended_help_text ?
nvstrdup(extended_help_text) : NULL;
*list = g_list_prepend(*list, item);
}
char *nvstrcat(const char *str, ...)
{
const char *s;
char *result;
size_t len;
va_list ap;
/* walk the varargs to compute the length of the result string */
va_start(ap, str);
for (s = str, len = 1; s; s = va_arg(ap, char *)) {
len += strlen(s);
}
va_end(ap);
/* allocate the result string */
result = nvalloc(len);
if (!result)
return result;
result[0] = '\0';
/* concatenate the input strings, writing into the result string */
va_start(ap, str);
for (s = str; s; s = va_arg(ap, char *)) {
strcat(result, s);
}
va_end(ap);
return result;
} /* nvstrcat() */
static XConfigDevicePtr clone_device(XConfigDevicePtr device0, int idx)
{
XConfigDevicePtr device;
device = nvalloc(sizeof(XConfigDeviceRec));
device->identifier = nvasprintf("%s (%d)", device0->identifier, idx);
if (device0->vendor) device->vendor = nvstrdup(device0->vendor);
if (device0->board) device->board = nvstrdup(device0->board);
if (device0->chipset) device->chipset = nvstrdup(device0->chipset);
if (device0->busid) device->busid = nvstrdup(device0->busid);
if (device0->card) device->card = nvstrdup(device0->card);
if (device0->driver) device->driver = nvstrdup(device0->driver);
if (device0->ramdac) device->ramdac = nvstrdup(device0->ramdac);
if (device0->comment) device->comment = nvstrdup(device0->comment);
/* these are needed for multiple X screens on one GPU */
device->screen = idx;
device0->screen = 0;
device->chipid = -1;
device->chiprev = -1;
device->irq = -1;
device->options = xconfigOptionListDup(device0->options);
/* insert the new device after the original device */
device->next = device0->next;
device0->next = device;
return device;
} /* clone_device() */
/*
* clean_screen_list() - Used by enable_separate_x_screens and
* disable_separate_x_screens. Given the array screen_list and the config
* pointer, this function will leave only one screen per different busid in both
* screen_list array and config->screens list (i.e all the resulting screens in
* screen_list and config->screens will have an unique busid).
*/
static void clean_screen_list(XConfigScreenPtr *screen_list,
XConfigPtr config,
int nscreens)
{
int i, j;
int *bus, *slot, scratch;
/* trim out duplicates and get the bus ids*/
bus = nvalloc(sizeof(int) * nscreens);
slot = nvalloc(sizeof(int) * nscreens);
for (i = 0; i < nscreens; i++) {
bus[i] = -1;
}
for (i = 0; i < nscreens; i++) {
if (!screen_list[i] || (bus[i] == -1 &&
!xconfigParsePciBusString(screen_list[i]->device->busid,
&bus[i], &slot[i], &scratch))) {
continue;
}
for (j = i+1; j < nscreens; j++) {
if (!screen_list[j] || (bus[j] == -1 &&
!xconfigParsePciBusString(screen_list[j]->device->busid,
&bus[j], &slot[j], &scratch))) {
continue;
}
if ((bus[i] == bus[j]) && (slot[i] == slot[j])) {
screen_list[j] = NULL;
}
}
}
/*
* for every screen in the screen list, scan through all
* screens; if any screen, other than *this* screen has the same
* busid, remove it
*/
for (i = 0; i < nscreens; i++) {
XConfigScreenPtr screen, prev;
int bus0, slot0;
if (!screen_list[i]) {
continue;
}
screen = config->screens;
prev = NULL;
while (screen) {
if (screen_list[i] == screen) {
goto next_screen;
}
if (!screen->device) {
goto next_screen;
}
if (!screen->device->busid) {
goto next_screen;
}
if (!xconfigParsePciBusString(screen->device->busid,
&bus0, &slot0, &scratch)) {
goto next_screen;
}
if ((bus[i] == bus0) && (slot[i] == slot0)) {
XConfigScreenPtr next;
if (prev) {
prev->next = screen->next;
}
else {
config->screens = screen->next;
}
next = screen->next;
screen->next = NULL;
xconfigFreeScreenList(&screen);
screen = next;
}
else {
next_screen:
prev = screen;
screen = screen->next;
}
}
screen_list[i]->device->screen = -1;
}
}
static int enable_separate_x_screens(Options *op, XConfigPtr config,
XConfigLayoutPtr layout)
{
XConfigScreenPtr screen, *screenlist = NULL;
XConfigAdjacencyPtr adj;
int* screens_to_clone = NULL;
int i, nscreens = 0;
int have_busids;
/* step 1: build the list of screens that are candidate to be cloned */
if (op->screen) {
screen = xconfigFindScreen(op->screen, config->screens);
if (!screen) {
nv_error_msg("Unable to find screen '%s'.", op->screen);
return FALSE;
}
screenlist = nvalloc(sizeof(XConfigScreenPtr));
screenlist[0] = screen;
nscreens = 1;
} else {
for (adj = layout->adjacencies; adj; adj = adj->next) {
nscreens++;
screenlist = realloc(screenlist,
sizeof(XConfigScreenPtr) * nscreens);
screenlist[nscreens-1] = adj->screen;
}
}
if (!nscreens) return FALSE;
/* step 2: do all screens in the list have a bus ID? */
have_busids = TRUE;
for (i = 0; i < nscreens; i++) {
if (screenlist[i] &&
screenlist[i]->device &&
screenlist[i]->device->busid) {
// this screen has a busid
} else {
have_busids = FALSE;
break;
}
}
/*
* if not everyone has a bus id, then let's assign bus ids to all
* the screens; XXX what if _some_ already have busids? Too bad,
* we're going to reassign all of them.
*/
if (!have_busids) {
DevicesPtr pDevices;
pDevices = find_devices(op);
if (!pDevices) {
nv_error_msg("Unable to determine number or location of "
"GPUs in system; cannot "
"honor '--separate-x-screens' option.");
return FALSE;
}
for (i = 0; i < nscreens; i++) {
if (i >= pDevices->nDevices) {
/*
* we have more screens than GPUs, this screen is no
* longer a candidate
*/
screenlist[i] = NULL;
continue;
}
screenlist[i]->device->busid = nvalloc(32);
xconfigFormatPciBusString(screenlist[i]->device->busid, 32,
pDevices->devices[i].dev.domain,
pDevices->devices[i].dev.bus,
pDevices->devices[i].dev.slot, 0);
screenlist[i]->device->board = nvstrdup(pDevices->devices[i].name);
}
free_devices(pDevices);
}
/* step 3 */
clean_screen_list(screenlist, config, nscreens);
/* step 4 */
screens_to_clone = get_screens_to_clone(op, screenlist, nscreens);
/* step 5: clone each eligible screen */
for (i = 0; i < nscreens; i++) {
if (!screenlist[i]) continue;
while (--screens_to_clone[i] > 0) {
clone_screen(screenlist[i], screens_to_clone[i]);
}
}
nvfree(screens_to_clone);
/* step 6: wipe the existing adjacencies and recreate them */
xconfigFreeAdjacencyList(&layout->adjacencies);
create_adjacencies(op, config, layout);
/* free unused device and monitor sections */
free_unused_devices(op, config);
free_unused_monitors(op, config);
/* free stuff */
free(screenlist);
return TRUE;
} /* enable_separate_x_screens() */
/*
* get_screens_to_clone() - try to detect automatically how many heads has each
* device in order to use that number to create more than two separate X
* screens. If the user specifies the option --num-x-screens <quantity>, that
* value is used. If neither the user specifies the quantity or the number of
* heads can be detected automatically, it uses 2 heads (the standard
* behavior). This function returns an array of size nscreens with the number
* of screens to clone per screen candidate. The caller is responsible of
* freeing the memory of that array.
*/
static int* get_screens_to_clone(Options *op,
const XConfigScreenPtr *screen_candidates,
int nscreens)
{
DevicesPtr pDevices;
int *screens_to_clone, *supported_screens;
int i, j, devs_found;
screens_to_clone = nvalloc(nscreens * sizeof(int));
supported_screens = nvalloc(nscreens * sizeof(int));
/* Detect the number of supported screens per screen candidate */
devs_found = FALSE;
pDevices = find_devices(op);
if (pDevices) {
for (i = 0; i < nscreens; i++) {
int bus, slot, scratch;
if (!screen_candidates[i]) {
continue;
}
/* parse the bus id for this candidate screen */
if (!xconfigParsePciBusString(screen_candidates[i]->device->busid,
&bus, &slot, &scratch)) {
continue;
}
for (j = 0; j < pDevices->nDevices; j++) {
if ((pDevices->devices[j].dev.bus == bus) &&
(pDevices->devices[j].dev.slot == slot)) {
if (pDevices->devices[j].crtcs > 0) {
supported_screens[i] = pDevices->devices[j].crtcs;
}
break;
}
}
}
free_devices(pDevices);
devs_found = TRUE;
}
/* If user has defined a number of screens per GPU, use that value */
if (op->num_x_screens > 0) {
for (i = 0; i < nscreens; i++) {
if (!screen_candidates[i]) {
continue;
}
/* Print error when user specifies more X screens than supported */
if (devs_found && op->num_x_screens > supported_screens[i]) {
nv_warning_msg("Number of X screens specified is higher than the "
"supported quantity (%d)", supported_screens[i]);
}
screens_to_clone[i] = op->num_x_screens;
}
goto done;
}
for (i = 0; i < nscreens; i++) {
if (screen_candidates[i]) {
if (devs_found) {
/* If devices found, use the supported screens number */
screens_to_clone[i] = supported_screens[i];
}
else {
/* Default behavior (2 heads per GPU) */
screens_to_clone[i] = 2;
}
}
}
done:
nvfree(supported_screens);
return screens_to_clone;
}
static Package *parse_manifest (Options *op)
{
char *buf, *c, *tmpstr;
int line;
int fd, ret, len = 0;
struct stat stat_buf;
Package *p;
char *manifest = MAP_FAILED, *ptr;
int opengl_files_packaged = FALSE;
p = (Package *) nvalloc(sizeof (Package));
/* open the manifest file */
if ((fd = open(".manifest", O_RDONLY)) == -1) {
ui_error(op, "No package found for installation. Please run "
"this utility with the '--help' option for usage "
"information.");
goto fail;
}
if (fstat(fd, &stat_buf) == -1) goto cannot_open;
len = stat_buf.st_size;
manifest = mmap(0, len, PROT_READ, MAP_FILE|MAP_SHARED, fd, 0);
if (manifest == MAP_FAILED) goto cannot_open;
/* the first line is the description */
line = 1;
p->description = get_next_line(manifest, &ptr, manifest, len);
if (!p->description) goto invalid_manifest_file;
/* the second line is the version */
line++;
p->version = get_next_line(ptr, &ptr, manifest, len);
if (!p->version) goto invalid_manifest_file;
/* Ignore the third line */
line++;
nvfree(get_next_line(ptr, &ptr, manifest, len));
/* the fourth line is the list of kernel modules. */
line++;
tmpstr = get_next_line(ptr, &ptr, manifest, len);
if (parse_kernel_modules_list(p, tmpstr) == 0) {
goto invalid_manifest_file;
}
nvfree(tmpstr);
/*
* set the default value of excluded_kernel_modules to an empty, heap
* allocated string so that it can be freed and won't prematurely end
* an nvstrcat()ed string when unset.
*/
p->excluded_kernel_modules = nvstrdup("");
/*
* ignore the fifth and sixth lines
*/
line++;
nvfree(get_next_line(ptr, &ptr, manifest, len));
line++;
nvfree(get_next_line(ptr, &ptr, manifest, len));
/* the seventh line is the kernel module build directory */
line++;
p->kernel_module_build_directory = get_next_line(ptr, &ptr, manifest, len);
if (!p->kernel_module_build_directory) goto invalid_manifest_file;
remove_trailing_slashes(p->kernel_module_build_directory);
/*
* the eigth line is the directory containing precompiled kernel
* interfaces
*/
line++;
p->precompiled_kernel_interface_directory =
get_next_line(ptr, &ptr, manifest, len);
if (!p->precompiled_kernel_interface_directory)
goto invalid_manifest_file;
remove_trailing_slashes(p->precompiled_kernel_interface_directory);
/* the rest of the file is file entries */
line++;
for (; (buf = get_next_line(ptr, &ptr, manifest, len)); line++) {
char *flag = NULL;
PackageEntry entry;
int entry_success = FALSE;
if (buf[0] == '\0') {
free(buf);
break;
}
/* initialize the new entry */
memset(&entry, 0, sizeof(PackageEntry));
/* read the file name and permissions */
c = buf;
entry.file = read_next_word(buf, &c);
if (!entry.file) goto entry_done;
tmpstr = read_next_word(c, &c);
if (!tmpstr) goto entry_done;
/* translate the mode string into an octal mode */
ret = mode_string_to_mode(op, tmpstr, &entry.mode);
free(tmpstr);
if (!ret) goto entry_done;
/* every file has a type field */
entry.type = FILE_TYPE_NONE;
flag = read_next_word(c, &c);
if (!flag) goto entry_done;
entry.type = parse_manifest_file_type(flag, &entry.caps);
if (entry.type == FILE_TYPE_NONE) {
goto entry_done;
}
/* Track whether certain file types were packaged */
switch (entry.type) {
case FILE_TYPE_XMODULE_SHARED_LIB:
op->x_files_packaged = TRUE;
break;
default: break;
}
/* set opengl_files_packaged if any OpenGL files were packaged */
if (entry.caps.is_opengl) {
opengl_files_packaged = TRUE;
}
/* some libs/symlinks have an arch field */
entry.compat_arch = FILE_COMPAT_ARCH_NONE;
if (entry.caps.has_arch) {
nvfree(flag);
flag = read_next_word(c, &c);
if (!flag) goto entry_done;
if (strcmp(flag, "COMPAT32") == 0)
entry.compat_arch = FILE_COMPAT_ARCH_COMPAT32;
else if (strcmp(flag, "NATIVE") == 0)
entry.compat_arch = FILE_COMPAT_ARCH_NATIVE;
else {
goto entry_done;
}
}
/* if compat32 files are packaged, set compat32_files_packaged */
if (entry.compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
op->compat32_files_packaged = TRUE;
}
/* some libs/symlinks have a class field */
entry.tls_class = FILE_TLS_CLASS_NONE;
if (entry.caps.has_tls_class) {
nvfree(flag);
flag = read_next_word(c, &c);
if (!flag) goto entry_done;
if (strcmp(flag, "CLASSIC") == 0)
entry.tls_class = FILE_TLS_CLASS_CLASSIC;
else if (strcmp(flag, "NEW") == 0)
entry.tls_class = FILE_TLS_CLASS_NEW;
else {
goto entry_done;
}
}
/* some file types have a path field, or inherit their paths */
if (entry.caps.has_path) {
entry.path = read_next_word(c, &c);
if (!entry.path) goto invalid_manifest_file;
} else if (entry.caps.inherit_path) {
int i;
char *path, *depth, *slash;
const char * const depth_marker = "INHERIT_PATH_DEPTH:";
depth = read_next_word(c, &c);
if (!depth ||
strncmp(depth, depth_marker, strlen(depth_marker)) != 0) {
goto invalid_manifest_file;
}
entry.inherit_path_depth = atoi(depth + strlen(depth_marker));
nvfree(depth);
/* Remove the file component from the packaged filename */
path = entry.path = nvstrdup(entry.file);
slash = strrchr(path, '/');
if (slash == NULL) {
goto invalid_manifest_file;
}
slash[1] = '\0';
/* Strip leading directory components from the path */
for (i = 0; i < entry.inherit_path_depth; i++) {
slash = strchr(entry.path, '/');
if (slash == NULL) {
goto invalid_manifest_file;
}
entry.path = slash + 1;
}
entry.path = nvstrdup(entry.path);
nvfree(path);
} else {
entry.path = NULL;
}
/* symlinks have a target */
if (entry.caps.is_symlink) {
entry.target = read_next_word(c, &c);
if (!entry.target) goto invalid_manifest_file;
} else {
entry.target = NULL;
}
/*
* as a convenience for later, set the 'name' pointer to
* the basename contained in 'file' (ie the portion of
* 'file' without any leading directory components
*/
entry.name = strrchr(entry.file, '/');
if (entry.name) entry.name++;
if (!entry.name) entry.name = entry.file;
add_package_entry(p,
entry.file,
entry.path,
entry.name,
entry.target,
entry.dst,
entry.type,
entry.tls_class,
entry.compat_arch,
entry.mode);
entry_success = TRUE;
entry_done:
/* clean up */
nvfree(buf);
nvfree(flag);
if (!entry_success) {
goto invalid_manifest_file;
}
}
/* If no OpenGL files were packaged, we can't install them. Set the
* no_opengl_files flag so that everything we skip when explicitly
* excluding OpenGL is also skipped when OpenGL is not packaged. */
if (!opengl_files_packaged) {
op->no_opengl_files = TRUE;
}
munmap(manifest, len);
if (fd != -1) close(fd);
return p;
cannot_open:
ui_error(op, "Failure opening package's .manifest file (%s).",
strerror(errno));
goto fail;
invalid_manifest_file:
ui_error(op, "Invalid .manifest file; error on line %d.", line);
goto fail;
fail:
free_package(p);
if (manifest != MAP_FAILED) munmap(manifest, len);
if (fd != -1) close(fd);
return NULL;
} /* parse_manifest() */
NvCtrlAttributeHandle *NvCtrlAttributeInit(Display *dpy, int target_type,
int target_id,
unsigned int subsystems)
{
NvCtrlAttributePrivateHandle *h = NULL;
h = nvalloc(sizeof (NvCtrlAttributePrivateHandle));
/* initialize the display and screen to the parameter values */
h->dpy = dpy;
h->target_type = target_type;
h->target_id = target_id;
/* initialize the NV-CONTROL attributes; give up if this fails */
if (subsystems & NV_CTRL_ATTRIBUTES_NV_CONTROL_SUBSYSTEM) {
h->nv = NvCtrlInitNvControlAttributes(h);
if (!h->nv) goto failed;
}
/*
* initialize X Screen specific attributes for X Screen
* target types.
*/
if (target_type == NV_CTRL_TARGET_TYPE_X_SCREEN) {
/*
* initialize the XF86VidMode attributes; it is OK if this
* fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_XF86VIDMODE_SUBSYSTEM) {
h->vm = NvCtrlInitVidModeAttributes(h);
}
/*
* initialize the XVideo extension and attributes; it is OK if
* this fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_XVIDEO_SUBSYSTEM) {
h->xv = NvCtrlInitXvAttributes(h);
}
/*
* initialize the GLX extension and attributes; it is OK if
* this fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_GLX_SUBSYSTEM) {
h->glx = NvCtrlInitGlxAttributes(h);
}
} /* X Screen target type attribute subsystems */
/*
* initialize the XRandR extension and attributes; this does not
* require an X screen and it is OK if this fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_XRANDR_SUBSYSTEM) {
h->xrandr = NvCtrlInitXrandrAttributes(h);
}
return (NvCtrlAttributeHandle *) h;
failed:
if (h) free (h);
return NULL;
} /* NvCtrlAttributeInit() */
static int parse_config_property(const char *file, const char *line, ConfigProperties *conf)
{
char *no_spaces, *s;
char *locale;
ConfigPropertiesTableEntry *t;
char *timer, *token;
TimerConfigProperty *c = NULL;
int interval;
int ret = NV_FALSE;
unsigned int flag;
no_spaces = remove_spaces(line);
if (!no_spaces) goto done;
s = strchr(no_spaces, '=');
if (!s) goto done;
*s = '\0';
if (nv_strcasecmp(no_spaces, "RcFileLocale")) {
locale = ++s;
if (setlocale(LC_NUMERIC, locale) == NULL) {
nv_warning_msg("Error parsing configuration file '%s': could "
"not set the specified locale '%s'.",
file, locale);
}
} else if (nv_strcasecmp(no_spaces, "Timer")) {
timer = ++s;
token = strtok(timer, ",");
if (!token)
goto done;
c = nvalloc(sizeof(TimerConfigProperty));
c->description = replace_characters(token, '_', ' ');
token = strtok(NULL, ",");
if (!token)
goto done;
if (nv_strcasecmp(token, "Yes")) {
c->user_enabled = 1;
} else if (nv_strcasecmp(token, "No")) {
c->user_enabled = 0;
} else {
goto done;
}
token = strtok(NULL, ",");
if (!token)
goto done;
parse_read_integer(token, &interval);
c->interval = interval;
c->next = conf->timers;
conf->timers = c;
} else {
for (t = configPropertyTable, flag = 0; t->name; t++) {
if (nv_strcasecmp(no_spaces, t->name)) {
flag = t->flag;
break;
}
}
if (!flag) goto done;
s++;
if (nv_strcasecmp(s, "yes")) {
conf->booleans |= flag;
} else if (nv_strcasecmp(s, "no")) {
conf->booleans &= ~flag;
} else {
goto done;
}
}
ret = NV_TRUE;
done:
if ((ret != NV_TRUE) && c) {
if (c->description)
free(c->description);
free(c);
}
if (no_spaces) free(no_spaces);
return ret;
} /* parse_config_property() */
static ParsedAttributeWrapper *parse_config_file(char *buf, const char *file,
const int length,
ConfigProperties *conf)
{
int line, has_data, current_tmp_len, len, n, ret;
char *cur, *c, *comment, *tmp;
ParsedAttributeWrapper *w;
cur = buf;
line = 1;
current_tmp_len = 0;
n = 0;
w = NULL;
tmp = NULL;
while (cur) {
c = cur;
comment = NULL;
has_data = NV_FALSE;;
while (((c - buf) < length) &&
(*c != '\n') &&
(*c != '\0')) {
if (comment) { c++; continue; }
if (*c == '#') { comment = c; continue; }
if (!isspace(*c)) has_data = NV_TRUE;
c++;
}
if (has_data) {
if (!comment) comment = c;
len = comment - cur;
/* grow the tmp buffer if it's too small */
if (len >= current_tmp_len) {
current_tmp_len = len + 1;
if (tmp) {
free(tmp);
}
tmp = nvalloc(sizeof(char) * current_tmp_len);
}
strncpy (tmp, cur, len);
tmp[len] = '\0';
/* first, see if this line is a config property */
if (!parse_config_property(file, tmp, conf)) {
w = nvrealloc(w, sizeof(ParsedAttributeWrapper) * (n+1));
ret = nv_parse_attribute_string(tmp,
NV_PARSER_ASSIGNMENT,
&w[n].a);
if (ret != NV_PARSER_STATUS_SUCCESS) {
nv_error_msg("Error parsing configuration file '%s' on "
"line %d: '%s' (%s).",
file, line, tmp, nv_parse_strerror(ret));
goto failed;
}
w[n].line = line;
n++;
}
}
if (((c - buf) >= length) || (*c == '\0')) cur = NULL;
else cur = c + 1;
line++;
}
free(tmp);
/* mark the end of the array */
w = nvrealloc(w, sizeof(ParsedAttributeWrapper) * (n+1));
w[n].line = -1;
return w;
failed:
if (w) free(w);
free(tmp);
return NULL;
} /* parse_config_file() */
DevicesPtr find_devices(Options *op)
{
DevicesPtr pDevices = NULL;
DisplayDevicePtr pDisplayDevice;
int i, j, n, count = 0;
unsigned int mask, bit;
DeviceRec tmpDevice;
NvCfgPciDevice *devs = NULL;
NvCfgBool is_primary_device;
NvCfgBool ret;
char *lib_path;
void *lib_handle;
NvCfgBool (*__getDevices)(int *n, NvCfgDevice **devs);
NvCfgBool (*__openDevice)(int bus, int slot, NvCfgDeviceHandle *handle);
NvCfgBool (*__getPciDevices)(int *n, NvCfgPciDevice **devs);
NvCfgBool (*__openPciDevice)(int domain, int bus, int slot, int function,
NvCfgDeviceHandle *handle);
NvCfgBool (*__getNumCRTCs)(NvCfgDeviceHandle handle, int *crtcs);
NvCfgBool (*__getProductName)(NvCfgDeviceHandle handle, char **name);
NvCfgBool (*__getDisplayDevices)(NvCfgDeviceHandle handle,
unsigned int *display_device_mask);
NvCfgBool (*__getEDID)(NvCfgDeviceHandle handle,
unsigned int display_device,
NvCfgDisplayDeviceInformation *info);
NvCfgBool (*__isPrimaryDevice)(NvCfgDeviceHandle handle,
NvCfgBool *is_primary_device);
NvCfgBool (*__closeDevice)(NvCfgDeviceHandle handle);
NvCfgBool (*__getDeviceUUID)(NvCfgDeviceHandle handle, char **uuid);
/* dlopen() the nvidia-cfg library */
#define __LIB_NAME "libnvidia-cfg.so.1"
if (op->nvidia_cfg_path) {
lib_path = nvstrcat(op->nvidia_cfg_path, "/", __LIB_NAME, NULL);
} else {
lib_path = strdup(__LIB_NAME);
}
lib_handle = dlopen(lib_path, RTLD_NOW);
nvfree(lib_path);
if (!lib_handle) {
nv_warning_msg("error opening %s: %s.", __LIB_NAME, dlerror());
return NULL;
}
#define __GET_FUNC(proc, name) \
(proc) = dlsym(lib_handle, (name)); \
if (!(proc)) { \
nv_warning_msg("error retrieving symbol %s from %s: %s", \
(name), __LIB_NAME, dlerror()); \
dlclose(lib_handle); \
return NULL; \
}
/* required functions */
__GET_FUNC(__getDevices, "nvCfgGetDevices");
__GET_FUNC(__openDevice, "nvCfgOpenDevice");
__GET_FUNC(__getPciDevices, "nvCfgGetPciDevices");
__GET_FUNC(__openPciDevice, "nvCfgOpenPciDevice");
__GET_FUNC(__getNumCRTCs, "nvCfgGetNumCRTCs");
__GET_FUNC(__getProductName, "nvCfgGetProductName");
__GET_FUNC(__getDisplayDevices, "nvCfgGetDisplayDevices");
__GET_FUNC(__getEDID, "nvCfgGetEDID");
__GET_FUNC(__closeDevice, "nvCfgCloseDevice");
__GET_FUNC(__getDeviceUUID, "nvCfgGetDeviceUUID");
/* optional functions */
__isPrimaryDevice = dlsym(lib_handle, "nvCfgIsPrimaryDevice");
if (__getPciDevices(&count, &devs) != NVCFG_TRUE) {
return NULL;
}
if (count == 0) return NULL;
pDevices = nvalloc(sizeof(DevicesRec));
pDevices->devices = nvalloc(sizeof(DeviceRec) * count);
pDevices->nDevices = count;
for (i = 0; i < count; i++) {
pDevices->devices[i].dev = devs[i];
if (__openPciDevice(devs[i].domain, devs[i].bus, devs[i].slot, 0,
&(pDevices->devices[i].handle)) != NVCFG_TRUE) {
goto fail;
}
if (__getNumCRTCs(pDevices->devices[i].handle,
&pDevices->devices[i].crtcs) != NVCFG_TRUE) {
goto fail;
}
if (__getProductName(pDevices->devices[i].handle,
&pDevices->devices[i].name) != NVCFG_TRUE) {
/* This call may fail with little impact to the Device section */
pDevices->devices[i].name = NULL;
}
if (__getDeviceUUID(pDevices->devices[i].handle,
&pDevices->devices[i].uuid) != NVCFG_TRUE) {
goto fail;
}
if (__getDisplayDevices(pDevices->devices[i].handle, &mask) !=
NVCFG_TRUE) {
goto fail;
}
pDevices->devices[i].displayDeviceMask = mask;
/* count the number of display devices */
for (n = j = 0; j < 32; j++) {
if (mask & (1 << j)) n++;
}
pDevices->devices[i].nDisplayDevices = n;
if (n) {
/* allocate the info array of the right size */
pDevices->devices[i].displayDevices =
nvalloc(sizeof(DisplayDeviceRec) * n);
/* fill in the info array */
for (n = j = 0; j < 32; j++) {
bit = 1 << j;
if (!(bit & mask)) continue;
pDisplayDevice = &pDevices->devices[i].displayDevices[n];
pDisplayDevice->mask = bit;
if (__getEDID(pDevices->devices[i].handle, bit,
&pDisplayDevice->info) != NVCFG_TRUE) {
pDisplayDevice->info_valid = FALSE;
} else {
pDisplayDevice->info_valid = TRUE;
}
n++;
}
} else {
pDevices->devices[i].displayDevices = NULL;
}
if ((i != 0) && (__isPrimaryDevice != NULL) &&
(__isPrimaryDevice(pDevices->devices[i].handle,
&is_primary_device) == NVCFG_TRUE) &&
(is_primary_device == NVCFG_TRUE)) {
memcpy(&tmpDevice, &pDevices->devices[0], sizeof(DeviceRec));
memcpy(&pDevices->devices[0], &pDevices->devices[i], sizeof(DeviceRec));
memcpy(&pDevices->devices[i], &tmpDevice, sizeof(DeviceRec));
}
ret = __closeDevice(pDevices->devices[i].handle);
pDevices->devices[i].handle = NULL;
if (ret != NVCFG_TRUE) {
goto fail;
}
}
goto done;
fail:
nv_warning_msg("Unable to use the nvidia-cfg library to query NVIDIA "
"hardware.");
for (i = 0; i < pDevices->nDevices; i++) {
/* close the opened device */
if (pDevices->devices[i].handle) {
__closeDevice(pDevices->devices[i].handle);
}
}
free_devices(pDevices);
pDevices = NULL;
/* fall through */
done:
if (devs) free(devs);
return pDevices;
} /* find_devices() */
static int disable_separate_x_screens(Options *op, XConfigPtr config,
XConfigLayoutPtr layout)
{
XConfigScreenPtr screen, *screenlist = NULL;
XConfigAdjacencyPtr adj;
int i, nscreens = 0;
/* step 1: build the list of screens that are candidate to be de-cloned */
if (op->screen) {
screen = xconfigFindScreen(op->screen, config->screens);
if (!screen) {
nv_error_msg("Unable to find screen '%s'.", op->screen);
return FALSE;
}
screenlist = nvalloc(sizeof(XConfigScreenPtr));
screenlist[0] = screen;
nscreens = 1;
} else {
for (adj = layout->adjacencies; adj; adj = adj->next) {
nscreens++;
screenlist = realloc(screenlist,
sizeof(XConfigScreenPtr) * nscreens);
screenlist[nscreens-1] = adj->screen;
}
}
/*
* step 2: limit the list to screens that have a BusID; parse the busIDs
* while we're at it
*/
for (i = 0; i < nscreens; i++) {
int bus, slot, scratch;
if (screenlist[i] &&
screenlist[i]->device &&
screenlist[i]->device->busid &&
xconfigParsePciBusString(screenlist[i]->device->busid,
&bus, &slot, &scratch)) {
// this screen has a valid busid
} else {
screenlist[i] = NULL;
}
}
/* step 3 */
clean_screen_list(screenlist, config, nscreens);
/* step 4: wipe the existing adjacencies and recreate them */
xconfigFreeAdjacencyList(&layout->adjacencies);
create_adjacencies(op, config, layout);
/* free unused device and monitor sections */
free_unused_devices(op, config);
free_unused_monitors(op, config);
/* free stuff */
free(screenlist);
return TRUE;
} /* disable_separate_x_screens() */