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Add new sysctl MIB (hw.acpi.supported_sleep_state) to indicate

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the list of supported sleep state.
This should help people understand what following message means.

acpi0: AcpiGetSleepTypeData failed - AE_NOT_FOUND

MFC after:	3 days
This commit is contained in:
iwasaki 2003-04-11 16:53:56 +00:00
parent 0e8a48a319
commit a9636d4e10
1 changed files with 23 additions and 0 deletions
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23
sys/dev/acpica/acpi.c
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@ -120,6 +120,7 @@ static void acpi_enable_fixed_events(struct acpi_softc *sc);
static void acpi_system_eventhandler_sleep(void *arg, int state);
static void acpi_system_eventhandler_wakeup(void *arg, int state);
static int acpi_supported_sleep_state_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_pm_func(u_long cmd, void *arg, ...);
@ -397,6 +398,9 @@ acpi_attach(device_t dev)
sc->acpi_sysctl_tree = SYSCTL_ADD_NODE(&sc->acpi_sysctl_ctx,
SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
device_get_name(dev), CTLFLAG_RD, 0, "");
SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree),
OID_AUTO, "supported_sleep_state", CTLTYPE_STRING | CTLFLAG_RD,
0, 0, acpi_supported_sleep_state_sysctl, "A", "");
SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree),
OID_AUTO, "power_button_state", CTLTYPE_STRING | CTLFLAG_RW,
&sc->acpi_power_button_sx, 0, acpi_sleep_state_sysctl, "A", "");
@ -1913,6 +1917,25 @@ acpiioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
return(error);
}
static int
acpi_supported_sleep_state_sysctl(SYSCTL_HANDLER_ARGS)
{
char sleep_state[4];
char buf[16];
int error;
UINT8 state, TypeA, TypeB;
buf[0] = '\0';
for (state = ACPI_STATE_S1; state < ACPI_S_STATES_MAX+1; state++) {
if (ACPI_SUCCESS(AcpiGetSleepTypeData(state, &TypeA, &TypeB))) {
sprintf(sleep_state, "S%d ", state);
strcat(buf, sleep_state);
}
}
error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
return(error);
}
static int
acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS)
{