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Add sysctl mibs for _TSP, _TC1 and _TC2 which is user overridable

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but is blocked on user_override mib.
Not a few people want to use a passive cooling without their ACPI
BIOS support.

Reviewed by:	njl
This commit is contained in:
Hajimu UMEMOTO 2007-12-24 16:32:14 +00:00
parent 316d90a37b
commit 0c3e489dce
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=174889
1 changed files with 40 additions and 0 deletions
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40
sys/dev/acpica/acpi_thermal.c
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@ -133,6 +133,7 @@ static void acpi_tz_sanity(struct acpi_tz_softc *sc, int *val, char *what);
static int acpi_tz_active_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_tz_cooling_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_tz_temp_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_tz_passive_sysctl(SYSCTL_HANDLER_ARGS);
static void acpi_tz_notify_handler(ACPI_HANDLE h, UINT32 notify,
void *context);
static void acpi_tz_signal(struct acpi_tz_softc *sc, int flags);
@ -293,6 +294,21 @@ acpi_tz_attach(device_t dev)
SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_ACx", CTLFLAG_RD, &sc->tz_zone.ac,
sizeof(sc->tz_zone.ac), "IK", "");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TC1", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tc1),
acpi_tz_passive_sysctl, "I",
"thermal constant 1 for passive cooling");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TC2", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tc2),
acpi_tz_passive_sysctl, "I",
"thermal constant 2 for passive cooling");
SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
OID_AUTO, "_TSP", CTLTYPE_INT | CTLFLAG_RW,
sc, offsetof(struct acpi_tz_softc, tz_zone.tsp),
acpi_tz_passive_sysctl, "I",
"thermal sampling period for passive cooling");
/*
* Create thread to service all of the thermal zones. Register
@ -748,6 +764,30 @@ acpi_tz_temp_sysctl(SYSCTL_HANDLER_ARGS)
return (0);
}
static int
acpi_tz_passive_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_tz_softc *sc;
int val, *val_ptr;
int error;
sc = oidp->oid_arg1;
val_ptr = (int *)((uintptr_t)sc + oidp->oid_arg2);
val = *val_ptr;
error = sysctl_handle_int(oidp, &val, 0, req);
/* Error or no new value */
if (error != 0 || req->newptr == NULL)
return (error);
/* Only allow changing settings if override is set. */
if (!acpi_tz_override)
return (EPERM);
*val_ptr = val;
return (0);
}
static void
acpi_tz_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
{