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Code Issues Releases Activity

Add new quirk code that disables problem BIOS versions. Remove old quirk

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code that was never really used.  Print a message when disabling ACPI via
a quirk.  Allow the user to override the blacklist decision by setting
hint.acpi.0.disabled="0".  Add missing AcpiTerminate() calls; they are
needed to clean up if bailing out after AcpiInitializeSubsystem().
This commit is contained in:
Nate Lawson 2004-06-30 04:49:54 +00:00
parent 4209cd533b
commit 89fb5af803
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=131315
1 changed files with 19 additions and 74 deletions
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93
sys/dev/acpica/acpi.c
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@ -82,32 +82,17 @@ static struct cdevsw acpi_cdevsw = {
struct mtx acpi_mutex;
#endif
/* Bitmap of device quirks. */
int acpi_quirks;
/* Local pools for managing system resources for ACPI child devices. */
struct rman acpi_rman_io, acpi_rman_mem;
struct acpi_quirks {
char *OemId;
uint32_t OemRevision;
char *value;
};
#define ACPI_OEM_REV_ANY 0
static struct acpi_quirks acpi_quirks_table[] = {
#ifdef notyet
/* Bad PCI routing table. Used on some SuperMicro boards. */
{ "PTLTD ", 0x06040000, "pci_link" },
#endif
{ NULL, 0, NULL }
};
static int acpi_modevent(struct module *mod, int event, void *junk);
static void acpi_identify(driver_t *driver, device_t parent);
static int acpi_probe(device_t dev);
static int acpi_attach(device_t dev);
static int acpi_shutdown(device_t dev);
static void acpi_quirks_set(void);
static device_t acpi_add_child(device_t bus, int order, const char *name,
int unit);
static int acpi_print_child(device_t bus, device_t child);
@ -257,12 +242,13 @@ acpi_Startup(void)
#ifdef ACPI_DEBUGGER
char *debugpoint;
#endif
static int error, started = 0;
static int started = 0;
int error, val;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
if (started)
return_VALUE (error);
return_VALUE (0);
started = 1;
#if __FreeBSD_version >= 500000
@ -300,13 +286,21 @@ acpi_Startup(void)
if (ACPI_FAILURE(error = AcpiLoadTables())) {
printf("ACPI: table load failed: %s\n", AcpiFormatException(error));
return_VALUE(error);
AcpiTerminate();
return_VALUE (error);
}
/* Set up any quirks we have for this XSDT. */
acpi_quirks_set();
if (acpi_disabled("acpi"))
/* Set up any quirks we have for this system. */
acpi_table_quirks(&acpi_quirks);
/* If the user manually set the disabled hint to 0, override any quirk. */
if (resource_int_value("acpi", 0, "disabled", &val) == 0 && val == 0)
acpi_quirks &= ~ACPI_Q_BROKEN;
if (acpi_quirks & ACPI_Q_BROKEN) {
printf("ACPI disabled by blacklist. Contact your BIOS vendor.\n");
AcpiTerminate();
return_VALUE (AE_ERROR);
}
return_VALUE (AE_OK);
}
@ -549,7 +543,7 @@ acpi_attach(device_t dev)
/* Only enable S4BIOS by default if the FACS says it is available. */
if (AcpiGbl_FACS->S4Bios_f != 0)
sc->acpi_s4bios = 1;
sc->acpi_s4bios = 1;
/*
* Dispatch the default sleep state to devices. The lid switch is set
@ -647,55 +641,6 @@ acpi_shutdown(device_t dev)
return (0);
}
static void
acpi_quirks_set()
{
XSDT_DESCRIPTOR *xsdt;
struct acpi_quirks *quirk;
char *env, *tmp;
int len;
/*
* If the user loaded a custom table or disabled "quirks", leave
* the settings alone.
*/
len = 0;
if ((env = getenv("acpi_dsdt_load")) != NULL) {
/* XXX No strcasecmp but this is good enough. */
if (*env == 'Y' || *env == 'y')
goto out;
freeenv(env);
}
if ((env = getenv("debug.acpi.disabled")) != NULL) {
if (strstr("quirks", env) != NULL)
goto out;
len = strlen(env);
}
/*
* Search through our quirk table and concatenate the disabled
* values with whatever we find.
*/
xsdt = AcpiGbl_XSDT;
for (quirk = acpi_quirks_table; quirk->OemId; quirk++) {
if (!strncmp(xsdt->OemId, quirk->OemId, strlen(quirk->OemId)) &&
(xsdt->OemRevision == quirk->OemRevision ||
quirk->OemRevision == ACPI_OEM_REV_ANY)) {
len += strlen(quirk->value) + 2;
if ((tmp = malloc(len, M_TEMP, M_NOWAIT)) == NULL)
goto out;
sprintf(tmp, "%s %s", env ? env : "", quirk->value);
setenv("debug.acpi.disabled", tmp);
free(tmp, M_TEMP);
break;
}
}
out:
if (env)
freeenv(env);
}
/*
* Handle a new device being added
*/