Differential D21529 Diff 61720 head/sys/dev/acpi_support/acpi_wmi.c

Changeset View

Standalone View

head/sys/dev/acpi_support/acpi_wmi.c

Show First 20 Lines • Show All 56 Lines • ▼ Show 20 Lines

#define _COMPONENT ACPI_OEM		#define _COMPONENT ACPI_OEM
ACPI_MODULE_NAME("ACPI_WMI");		ACPI_MODULE_NAME("ACPI_WMI");

#define ACPI_WMI_REGFLAG_EXPENSIVE 0x1 /* GUID flag: Expensive operation */		#define ACPI_WMI_REGFLAG_EXPENSIVE 0x1 /* GUID flag: Expensive operation */
#define ACPI_WMI_REGFLAG_METHOD 0x2 /* GUID flag: Method call */		#define ACPI_WMI_REGFLAG_METHOD 0x2 /* GUID flag: Method call */
#define ACPI_WMI_REGFLAG_STRING 0x4 /* GUID flag: String */		#define ACPI_WMI_REGFLAG_STRING 0x4 /* GUID flag: String */
#define ACPI_WMI_REGFLAG_EVENT 0x8 /* GUID flag: Event */		#define ACPI_WMI_REGFLAG_EVENT 0x8 /* GUID flag: Event */
		#define ACPI_WMI_BMOF_UUID "05901221-D566-11D1-B2F0-00A0C9062910"

/*		/*
* acpi_wmi driver private structure		* acpi_wmi driver private structure
*/		*/
struct acpi_wmi_softc {		struct acpi_wmi_softc {
device_t wmi_dev; /* wmi device id */		device_t wmi_dev; /* wmi device id */
ACPI_HANDLE wmi_handle; /* handle of the PNP0C14 node */		ACPI_HANDLE wmi_handle; /* handle of the PNP0C14 node */
device_t ec_dev; /* acpi_ec0 */		device_t ec_dev; /* acpi_ec0 */
struct cdev wmistat_dev_t; / wmistat device handle */		struct cdev wmistat_dev_t; / wmistat device handle */
struct sbuf wmistat_sbuf; /* sbuf for /dev/wmistat output */		struct sbuf wmistat_sbuf; /* sbuf for /dev/wmistat output */
pid_t wmistat_open_pid; /* pid operating on /dev/wmistat */		pid_t wmistat_open_pid; /* pid operating on /dev/wmistat */
int wmistat_bufptr; /* /dev/wmistat ptr to buffer position */		int wmistat_bufptr; /* /dev/wmistat ptr to buffer position */
		char *mofbuf;

TAILQ_HEAD(wmi_info_list_head, wmi_info) wmi_info_list;		TAILQ_HEAD(wmi_info_list_head, wmi_info) wmi_info_list;
};		};

/*		/*
* Struct that holds information about		* Struct that holds information about
* about a single GUID entry in _WDG		* about a single GUID entry in _WDG
*/		*/
struct guid_info {		struct guid_info {
▲ Show 20 Lines • Show All 184 Lines • ▼ Show 20 Lines	sc->wmistat_dev_t = make_dev(&wmistat_cdevsw, 0, UID_ROOT,
GID_WHEEL, 0644, "wmistat%d", device_get_unit(dev));		GID_WHEEL, 0644, "wmistat%d", device_get_unit(dev));
sc->wmistat_dev_t->si_drv1 = sc;		sc->wmistat_dev_t->si_drv1 = sc;
sc->wmistat_open_pid = 0;		sc->wmistat_open_pid = 0;
sc->wmistat_bufptr = -1;		sc->wmistat_bufptr = -1;
ret = 0;		ret = 0;
}		}
ACPI_SERIAL_END(acpi_wmi);		ACPI_SERIAL_END(acpi_wmi);

		if (acpi_wmi_provides_guid_string_method(dev, ACPI_WMI_BMOF_UUID)) {
		ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
		ACPI_OBJECT *obj;

		device_printf(dev, "Embedded MOF found\n");
		status = acpi_wmi_get_block_method(dev, ACPI_WMI_BMOF_UUID,
		0, &out);
		if (ACPI_SUCCESS(status)) {
		obj = out.Pointer;
		if (obj && obj->Type == ACPI_TYPE_BUFFER) {
		SYSCTL_ADD_OPAQUE(device_get_sysctl_ctx(dev),
		SYSCTL_CHILDREN(
		device_get_sysctl_tree(dev)),
		OID_AUTO, "bmof",
		CTLFLAG_RD \| CTLFLAG_MPSAFE,
		obj->Buffer.Pointer,
		obj->Buffer.Length,
		"A", "MOF Blob");
		}
		}
		sc->mofbuf = out.Pointer;
		}

if (ret == 0) {		if (ret == 0) {
bus_generic_probe(dev);		bus_generic_probe(dev);
ret = bus_generic_attach(dev);		ret = bus_generic_attach(dev);
}		}

return (ret);		return (ret);
}		}

Show All 31 Lines	if (sc->wmistat_open_pid != 0) {
}		}
if (sc->wmistat_bufptr != -1) {		if (sc->wmistat_bufptr != -1) {
sbuf_delete(&sc->wmistat_sbuf);		sbuf_delete(&sc->wmistat_sbuf);
sc->wmistat_bufptr = -1;		sc->wmistat_bufptr = -1;
}		}
sc->wmistat_open_pid = 0;		sc->wmistat_open_pid = 0;
destroy_dev(sc->wmistat_dev_t);		destroy_dev(sc->wmistat_dev_t);
ret = 0;		ret = 0;
		AcpiOsFree(sc->mofbuf);
}		}
ACPI_SERIAL_END(acpi_wmi);		ACPI_SERIAL_END(acpi_wmi);

return (ret);		return (ret);
}		}


/*		/*
▲ Show 20 Lines • Show All 692 Lines • Show Last 20 Lines