static int version_test1(fwts_framework *fw)
{
char *str;
fwts_release *release;
release = fwts_release_get();
if (release) {
bool not_ubuntu = strcmp(release->distributor, "Ubuntu");
fwts_release_free(release);
/* Following is Ubuntu specific, so don't fail */
if (not_ubuntu) {
fwts_skipped(fw, "Information not available with this kernel.");
return FWTS_OK;
}
}
if ((str = fwts_get("/proc/version_signature")) == NULL)
fwts_skipped(fw,
"Cannot get version signature info from "
"/proc/version_signature");
else {
fwts_chop_newline(str);
fwts_log_info(fw, "Signature: %s", str);
free(str);
}
fwts_infoonly(fw);
return FWTS_OK;
}
static int version_test4(fwts_framework *fw)
{
char *str;
if (((str = fwts_get("/sys/module/acpi/parameters/acpica_version")) == NULL) &&
((str = fwts_get("/proc/acpi/info")) == NULL))
fwts_log_info(fw,
"Cannot get ACPI version info from "
"/sys/module/acpi/parameters/acpica_version "
"or /proc/acpi/info, system does not have ACPI.");
else {
fwts_chop_newline(str);
fwts_log_info(fw, "ACPI Version: %s", str);
free(str);
}
fwts_infoonly(fw);
return FWTS_OK;
}
static int version_test3(fwts_framework *fw)
{
char *str;
if ((str = fwts_get("/proc/cmdline")) == NULL)
fwts_log_info(fw, "Cannot get version info from /proc/cmdline");
else {
fwts_chop_newline(str);
fwts_log_info(fw, "Kernel boot command line: %s", str);
free(str);
}
fwts_infoonly(fw);
return FWTS_OK;
}
static int crs_get_bios_date(fwts_framework *fw, int *day, int *mon, int *year)
{
char *date;
static const char *bios_date = "/sys/class/dmi/id/bios_date";
*mon = *day = *year = 0;
if ((date = fwts_get(bios_date)) == NULL) {
fwts_log_error(fw, "Cannot read %s.", bios_date);
return FWTS_ERROR;
}
/* Assume mon/day/year, but we only care about the year anyway */
sscanf(date, "%d/%d/%d", mon, day, year);
free(date);
return FWTS_OK;
}
/*
* fwts_button_match_state_proc()
* find matching button state and keep count of matching
* any non-matching states found, via proc iterface
*/
static int fwts_button_match_state_proc(
const int button,
int *matched,
int *not_matched)
{
DIR *dir;
struct dirent *entry;
char *acpi_button_lid = FWTS_PROC_ACPI_BUTTON "/lid";
char *acpi_button_power = FWTS_PROC_ACPI_BUTTON "/power";
char *button_dir;
char *field;
char *match;
switch (button) {
case FWTS_BUTTON_LID_ANY:
button_dir = acpi_button_lid;
field = "state";
match = "";
break;
case FWTS_BUTTON_LID_OPENED:
button_dir = acpi_button_lid;
field = "state";
match = "open";
break;
case FWTS_BUTTON_LID_CLOSED:
button_dir = acpi_button_lid;
field = "state";
match = "close";
break;
case FWTS_BUTTON_POWER_EXISTS:
button_dir = acpi_button_power;
field = "info";
match = "Power Button";
break;
default:
return FWTS_ERROR;
}
if ((dir = opendir(button_dir)) == NULL)
return FWTS_ERROR;
do {
entry = readdir(dir);
if (entry && strlen(entry->d_name) > 2) {
char path[PATH_MAX];
char *data;
snprintf(path, sizeof(path), "%s/%s/%s", button_dir, entry->d_name, field);
if ((data = fwts_get(path)) != NULL) {
if (strstr(data, match))
(*matched)++;
else
(*not_matched)++;
free(data);
}
}
} while (entry);
closedir(dir);
return FWTS_OK;
}
static int crs_test1(fwts_framework *fw)
{
fwts_list *klog;
int day, mon, year;
char *cmdline;
if ((cmdline = fwts_get("/proc/cmdline")) == NULL) {
fwts_log_error(fw, "Cannot read /proc/cmdline");
return FWTS_ERROR;
}
if (crs_get_bios_date(fw, &day, &mon, &year) != FWTS_OK) {
fwts_log_error(fw, "Cannot determine age of BIOS.");
free(cmdline);
return FWTS_ERROR;
}
if ((klog = fwts_klog_read()) == NULL) {
fwts_log_error(fw, "Cannot read kernel log.");
free(cmdline);
return FWTS_ERROR;
}
if (fwts_klog_regex_find(fw, klog,
"PCI: Ignoring host bridge windows from ACPI;") > 0) {
if (strstr(cmdline, "pci=nocrs") != NULL) {
fwts_skipped(fw, "Kernel was booted with pci=nocrs, Ignoring host bridge windows _CRS settings from ACPI, skipping test.");
}
else {
if (year == 0) {
fwts_failed(fw, LOG_LEVEL_MEDIUM,
"BIOSTooOld",
"The kernel could not determine the BIOS age "
"and has assumed that your BIOS is too old to correctly "
"specify the host bridge MMIO aperture using _CRS.");
fwts_log_advice(fw, "You can override this by booting with \"pci=use_crs\".");
} else if (year < 2008) {
fwts_passed(fw,
"The kernel has detected an old BIOS (%d/%d/%d) "
"and has assumed that your BIOS is too old to correctly "
"specify the host bridge MMIO aperture using _CRS.", mon, day, year);
fwts_log_advice(fw, "You can override this by booting with \"pci=use_crs\".");
} else {
fwts_failed(fw, LOG_LEVEL_MEDIUM,
"HostBridgeWindows",
"The kernel is ignoring host bridge windows from ACPI for some unknown reason. "
"pci=nocrs has not been used as a boot parameter and the BIOS may be recent enough "
"to support this (%d/%d/%d)", mon, day, year);
}
}
} else if (fwts_klog_regex_find(fw, klog, "PCI: Using host bridge windows from ACPI;") > 0) {
if (strstr(cmdline, "pci=use_crs") != NULL) {
if (year == 0) {
fwts_failed(fw, LOG_LEVEL_MEDIUM,
"BIOSNoReleaseDate",
"The BIOS does not seem to have release date, hence pci=use_crs was required.");
} else if (year < 2008) {
fwts_passed(fw,
"The BIOS is relatively old (%d/%d/%d) and hence pci=use_crs was required to "
"enable host bridge windows _CRS settings from ACPI.", mon, day, year);
} else {
fwts_failed(fw, LOG_LEVEL_LOW,
"BIOSSupportBridgeWindows",
"Kernel was booted with pci=use_crs but this may be uncessary as "
"the BIOS is new enough to support automatic bridge windows configuring using _CRS from ACPI. "
"However, the workaround may be necessary because _CRS is incorrect or not implemented in the "
"DSDT.");
}
}
else {
fwts_passed(fw,
"The kernel has detected a BIOS newer than the end of 2007 (%d/%d/%d) "
"and has assumed that your BIOS can correctly "
"specify the host bridge MMIO aperture using _CRS. If this does not work "
"correctly you can override this by booting with \"pci=nocrs\".", mon, day, year);
}
} else {
fwts_skipped(fw, "Cannot find host bridge message in kernel log, skipping test.");
}
fwts_list_free(klog, free);
free(cmdline);
return FWTS_OK;
}
