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authorSteve French <sfrench@us.ibm.com>2006-06-25 15:57:32 +0000
committerSteve French <sfrench@us.ibm.com>2006-06-25 15:57:32 +0000
commitbbe5d235ee201705530a7153b57e141cd77d818b (patch)
treee98c31b4cb2ced6357a87a02596f9ecdbd6dbb26 /include/acpi/actbl.h
parent189acaaef81b1d71aedd0d28810de24160c2e781 (diff)
parentdfd8317d3340f03bc06eba6b58f0ec0861da4a13 (diff)
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/acpi/actbl.h')
-rw-r--r--include/acpi/actbl.h400
1 files changed, 227 insertions, 173 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index ed53f842dad..b125ceed9cb 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Name: actbl.h - Table data structures defined in ACPI specification
+ * Name: actbl.h - Basic ACPI Table Definitions
*
*****************************************************************************/
@@ -45,66 +45,45 @@
#define __ACTBL_H__
/*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
- */
-
-/*
- * Values for description table header signatures
+ * Values for description table header signatures. Useful because they make
+ * it more difficult to inadvertently type in the wrong signature.
*/
-#define RSDP_NAME "RSDP"
-#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
-#define APIC_SIG "APIC" /* Multiple APIC Description Table */
#define DSDT_SIG "DSDT" /* Differentiated System Description Table */
#define FADT_SIG "FACP" /* Fixed ACPI Description Table */
#define FACS_SIG "FACS" /* Firmware ACPI Control Structure */
#define PSDT_SIG "PSDT" /* Persistent System Description Table */
+#define RSDP_SIG "RSD PTR " /* Root System Description Pointer */
#define RSDT_SIG "RSDT" /* Root System Description Table */
#define XSDT_SIG "XSDT" /* Extended System Description Table */
#define SSDT_SIG "SSDT" /* Secondary System Description Table */
-#define SBST_SIG "SBST" /* Smart Battery Specification Table */
-#define SPIC_SIG "SPIC" /* IOSAPIC table */
-#define BOOT_SIG "BOOT" /* Boot table */
-
-#define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */
+#define RSDP_NAME "RSDP"
/*
- * Common table types. The base code can remain
- * constant if the underlying tables are changed
+ * All tables and structures must be byte-packed to match the ACPI
+ * specification, since the tables are provided by the system BIOS
*/
-#define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2
-#define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2
-#define FACS_DESCRIPTOR struct facs_descriptor_rev2
-#define FADT_DESCRIPTOR struct fadt_descriptor_rev2
-
#pragma pack(1)
/*
- * ACPI Version-independent tables
+ * These are the ACPI tables that are directly consumed by the subsystem.
+ *
+ * The RSDP and FACS do not use the common ACPI table header. All other ACPI
+ * tables use the header.
*
- * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.)
- * are in separate files.
+ * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
+ * This is the only type that is even remotely portable. Anything else is not
+ * portable, so do not use any other bitfield types.
*/
-struct rsdp_descriptor { /* Root System Descriptor Pointer */
- char signature[8]; /* ACPI signature, contains "RSD PTR " */
- u8 checksum; /* ACPI 1.0 checksum */
- char oem_id[6]; /* OEM identification */
- u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
- u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
- u32 length; /* XSDT Length in bytes, including header */
- u64 xsdt_physical_address; /* 64-bit physical address of the XSDT */
- u8 extended_checksum; /* Checksum of entire table (ACPI 2.0) */
- char reserved[3]; /* Reserved, must be zero */
-};
-struct acpi_common_facs { /* Common FACS for internal use */
- u32 *global_lock;
- u64 *firmware_waking_vector;
- u8 vector_width;
-};
+/*******************************************************************************
+ *
+ * ACPI Table Header. This common header is used by all tables except the
+ * RSDP and FACS. The define is used for direct inclusion of header into
+ * other ACPI tables
+ *
+ ******************************************************************************/
-#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
+#define ACPI_TABLE_HEADER_DEF \
char signature[4]; /* ASCII table signature */\
u32 length; /* Length of table in bytes, including this header */\
u8 revision; /* ACPI Specification minor version # */\
@@ -112,154 +91,239 @@ struct acpi_common_facs { /* Common FACS for internal use */
char oem_id[6]; /* ASCII OEM identification */\
char oem_table_id[8]; /* ASCII OEM table identification */\
u32 oem_revision; /* OEM revision number */\
- char asl_compiler_id [4]; /* ASCII ASL compiler vendor ID */\
+ char asl_compiler_id[4]; /* ASCII ASL compiler vendor ID */\
u32 asl_compiler_revision; /* ASL compiler version */
-struct acpi_table_header { /* ACPI common table header */
+struct acpi_table_header {
ACPI_TABLE_HEADER_DEF};
/*
- * MADT values and structures
+ * GAS - Generic Address Structure (ACPI 2.0+)
*/
+struct acpi_generic_address {
+ u8 address_space_id; /* Address space where struct or register exists */
+ u8 register_bit_width; /* Size in bits of given register */
+ u8 register_bit_offset; /* Bit offset within the register */
+ u8 access_width; /* Minimum Access size (ACPI 3.0) */
+ u64 address; /* 64-bit address of struct or register */
+};
-/* Values for MADT PCATCompat */
+/*******************************************************************************
+ *
+ * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
+ *
+ ******************************************************************************/
+
+struct rsdp_descriptor {
+ char signature[8]; /* ACPI signature, contains "RSD PTR " */
+ u8 checksum; /* ACPI 1.0 checksum */
+ char oem_id[6]; /* OEM identification */
+ u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
+ u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
+ u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
+ u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
+ u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
+ u8 reserved[3]; /* Reserved, must be zero */
+};
-#define DUAL_PIC 0
-#define MULTIPLE_APIC 1
+#define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */
-/* Master MADT */
+/*******************************************************************************
+ *
+ * RSDT/XSDT - Root System Description Tables
+ *
+ ******************************************************************************/
-struct multiple_apic_table {
- ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 local_apic_address; /* Physical address of local APIC */
+struct rsdt_descriptor {
+ ACPI_TABLE_HEADER_DEF u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
+};
+
+struct xsdt_descriptor {
+ ACPI_TABLE_HEADER_DEF u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
+};
+
+/*******************************************************************************
+ *
+ * FACS - Firmware ACPI Control Structure (FACS)
+ *
+ ******************************************************************************/
+
+struct facs_descriptor {
+ char signature[4]; /* ASCII table signature */
+ u32 length; /* Length of structure, in bytes */
+ u32 hardware_signature; /* Hardware configuration signature */
+ u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
+ u32 global_lock; /* Global Lock for shared hardware resources */
/* Flags (32 bits) */
- u8 PCATcompat:1; /* 00: System also has dual 8259s */
+ u8 S4bios_f:1; /* 00: S4BIOS support is present */
u8:7; /* 01-07: Reserved, must be zero */
u8 reserved1[3]; /* 08-31: Reserved, must be zero */
-};
-/* Values for Type in APIC_HEADER_DEF */
+ u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
+ u8 version; /* Version of this table (ACPI 2.0+) */
+ u8 reserved[31]; /* Reserved, must be zero */
+};
-#define APIC_PROCESSOR 0
-#define APIC_IO 1
-#define APIC_XRUPT_OVERRIDE 2
-#define APIC_NMI 3
-#define APIC_LOCAL_NMI 4
-#define APIC_ADDRESS_OVERRIDE 5
-#define APIC_IO_SAPIC 6
-#define APIC_LOCAL_SAPIC 7
-#define APIC_XRUPT_SOURCE 8
-#define APIC_RESERVED 9 /* 9 and greater are reserved */
+#define ACPI_GLOCK_PENDING 0x01 /* 00: Pending global lock ownership */
+#define ACPI_GLOCK_OWNED 0x02 /* 01: Global lock is owned */
/*
- * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
+ * Common FACS - This is a version-independent FACS structure used for internal use only
*/
-#define APIC_HEADER_DEF /* Common APIC sub-structure header */\
- u8 type; \
- u8 length;
-
-struct apic_header {
-APIC_HEADER_DEF};
-
-/* Values for MPS INTI flags */
-
-#define POLARITY_CONFORMS 0
-#define POLARITY_ACTIVE_HIGH 1
-#define POLARITY_RESERVED 2
-#define POLARITY_ACTIVE_LOW 3
-
-#define TRIGGER_CONFORMS 0
-#define TRIGGER_EDGE 1
-#define TRIGGER_RESERVED 2
-#define TRIGGER_LEVEL 3
-
-/* Common flag definitions (16 bits each) */
-
-#define MPS_INTI_FLAGS \
- u8 polarity : 2; /* 00-01: Polarity of APIC I/O input signals */\
- u8 trigger_mode : 2; /* 02-03: Trigger mode of APIC input signals */\
- u8 : 4; /* 04-07: Reserved, must be zero */\
- u8 reserved1; /* 08-15: Reserved, must be zero */
-
-#define LOCAL_APIC_FLAGS \
- u8 processor_enabled: 1; /* 00: Processor is usable if set */\
- u8 : 7; /* 01-07: Reserved, must be zero */\
- u8 reserved2; /* 08-15: Reserved, must be zero */
-
-/* Sub-structures for MADT */
-
-struct madt_processor_apic {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- u8 local_apic_id; /* Processor's local APIC id */
- LOCAL_APIC_FLAGS};
-
-struct madt_io_apic {
- APIC_HEADER_DEF u8 io_apic_id; /* I/O APIC ID */
- u8 reserved; /* Reserved - must be zero */
- u32 address; /* APIC physical address */
- u32 interrupt; /* Global system interrupt where INTI
- * lines start */
+struct acpi_common_facs {
+ u32 *global_lock;
+ u64 *firmware_waking_vector;
+ u8 vector_width;
};
-struct madt_interrupt_override {
- APIC_HEADER_DEF u8 bus; /* 0 - ISA */
- u8 source; /* Interrupt source (IRQ) */
- u32 interrupt; /* Global system interrupt */
- MPS_INTI_FLAGS};
+/*******************************************************************************
+ *
+ * FADT - Fixed ACPI Description Table (Signature "FACP")
+ *
+ ******************************************************************************/
+
+/* Fields common to all versions of the FADT */
+
+#define ACPI_FADT_COMMON \
+ ACPI_TABLE_HEADER_DEF \
+ u32 V1_firmware_ctrl; /* 32-bit physical address of FACS */ \
+ u32 V1_dsdt; /* 32-bit physical address of DSDT */ \
+ u8 reserved1; /* System Interrupt Model isn't used in ACPI 2.0*/ \
+ u8 prefer_PM_profile; /* Conveys preferred power management profile to OSPM. */ \
+ u16 sci_int; /* System vector of SCI interrupt */ \
+ u32 smi_cmd; /* Port address of SMI command port */ \
+ u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ \
+ u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
+ u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ \
+ u8 pstate_cnt; /* Processor performance state control*/ \
+ u32 V1_pm1a_evt_blk; /* Port address of Power Mgt 1a Event Reg Blk */ \
+ u32 V1_pm1b_evt_blk; /* Port address of Power Mgt 1b Event Reg Blk */ \
+ u32 V1_pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
+ u32 V1_pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
+ u32 V1_pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \
+ u32 V1_pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
+ u32 V1_gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
+ u32 V1_gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
+ u8 pm1_evt_len; /* Byte Length of ports at pm1_x_evt_blk */ \
+ u8 pm1_cnt_len; /* Byte Length of ports at pm1_x_cnt_blk */ \
+ u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \
+ u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */ \
+ u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
+ u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
+ u8 gpe1_base; /* Offset in gpe model where gpe1 events start */ \
+ u8 cst_cnt; /* Support for the _CST object and C States change notification.*/ \
+ u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \
+ u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ \
+ u16 flush_size; /* Processor's memory cache line width, in bytes */ \
+ u16 flush_stride; /* Number of flush strides that need to be read */ \
+ u8 duty_offset; /* Processor's duty cycle index in processor's P_CNT reg*/ \
+ u8 duty_width; /* Processor's duty cycle value bit width in P_CNT register.*/ \
+ u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \
+ u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \
+ u8 century; /* Index to century in RTC CMOS RAM */ \
+ u16 iapc_boot_arch; /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \
+ u8 reserved2; /* Reserved, must be zero */
-struct madt_nmi_source {
- APIC_HEADER_DEF MPS_INTI_FLAGS u32 interrupt; /* Global system interrupt */
+/*
+ * ACPI 2.0+ FADT
+ */
+struct fadt_descriptor {
+ ACPI_FADT_COMMON
+ /* Flags (32 bits) */
+ u8 wb_invd:1; /* 00: The wbinvd instruction works properly */
+ u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */
+ u8 proc_c1:1; /* 02: All processors support C1 state */
+ u8 plvl2_up:1; /* 03: C2 state works on MP system */
+ u8 pwr_button:1; /* 04: Power button is handled as a generic feature */
+ u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */
+ u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */
+ u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */
+ u8 tmr_val_ext:1; /* 08: tmr_val is 32 bits 0=24-bits */
+ u8 dock_cap:1; /* 09: Docking supported */
+ u8 reset_reg_sup:1; /* 10: System reset via the FADT RESET_REG supported */
+ u8 sealed_case:1; /* 11: No internal expansion capabilities and case is sealed */
+ u8 headless:1; /* 12: No local video capabilities or local input devices */
+ u8 cpu_sw_sleep:1; /* 13: Must execute native instruction after writing SLP_TYPx register */
+
+ u8 pci_exp_wak:1; /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
+ u8 use_platform_clock:1; /* 15: OSPM should use platform-provided timer (ACPI 3.0) */
+ u8 S4rtc_sts_valid:1; /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
+ u8 remote_power_on_capable:1; /* 17: System is compatible with remote power on (ACPI 3.0) */
+ u8 force_apic_cluster_model:1; /* 18: All local APICs must use cluster model (ACPI 3.0) */
+ u8 force_apic_physical_destination_mode:1; /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */
+ u8:4; /* 20-23: Reserved, must be zero */
+ u8 reserved3; /* 24-31: Reserved, must be zero */
+
+ struct acpi_generic_address reset_register; /* Reset register address in GAS format */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system */
+ u8 reserved4[3]; /* These three bytes must be zero */
+ u64 xfirmware_ctrl; /* 64-bit physical address of FACS */
+ u64 Xdsdt; /* 64-bit physical address of DSDT */
+ struct acpi_generic_address xpm1a_evt_blk; /* Extended Power Mgt 1a acpi_event Reg Blk address */
+ struct acpi_generic_address xpm1b_evt_blk; /* Extended Power Mgt 1b acpi_event Reg Blk address */
+ struct acpi_generic_address xpm1a_cnt_blk; /* Extended Power Mgt 1a Control Reg Blk address */
+ struct acpi_generic_address xpm1b_cnt_blk; /* Extended Power Mgt 1b Control Reg Blk address */
+ struct acpi_generic_address xpm2_cnt_blk; /* Extended Power Mgt 2 Control Reg Blk address */
+ struct acpi_generic_address xpm_tmr_blk; /* Extended Power Mgt Timer Ctrl Reg Blk address */
+ struct acpi_generic_address xgpe0_blk; /* Extended General Purpose acpi_event 0 Reg Blk address */
+ struct acpi_generic_address xgpe1_blk; /* Extended General Purpose acpi_event 1 Reg Blk address */
};
-struct madt_local_apic_nmi {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- MPS_INTI_FLAGS u8 lint; /* LINTn to which NMI is connected */
+/*
+ * "Down-revved" ACPI 2.0 FADT descriptor
+ * Defined here to allow compiler to generate the length of the struct
+ */
+struct fadt_descriptor_rev2_minus {
+ ACPI_FADT_COMMON u32 flags;
+ struct acpi_generic_address reset_register; /* Reset register address in GAS format */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system. */
+ u8 reserved7[3]; /* Reserved, must be zero */
};
-struct madt_address_override {
- APIC_HEADER_DEF u16 reserved; /* Reserved, must be zero */
- u64 address; /* APIC physical address */
+/*
+ * ACPI 1.0 FADT
+ * Defined here to allow compiler to generate the length of the struct
+ */
+struct fadt_descriptor_rev1 {
+ ACPI_FADT_COMMON u32 flags;
};
-struct madt_io_sapic {
- APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */
- u8 reserved; /* Reserved, must be zero */
- u32 interrupt_base; /* Glocal interrupt for SAPIC start */
- u64 address; /* SAPIC physical address */
-};
+/* FADT: Prefered Power Management Profiles */
-struct madt_local_sapic {
- APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */
- u8 local_sapic_id; /* SAPIC ID */
- u8 local_sapic_eid; /* SAPIC EID */
- u8 reserved[3]; /* Reserved, must be zero */
- LOCAL_APIC_FLAGS u32 processor_uID; /* Numeric UID - ACPI 3.0 */
- char processor_uIDstring[1]; /* String UID - ACPI 3.0 */
-};
+#define PM_UNSPECIFIED 0
+#define PM_DESKTOP 1
+#define PM_MOBILE 2
+#define PM_WORKSTATION 3
+#define PM_ENTERPRISE_SERVER 4
+#define PM_SOHO_SERVER 5
+#define PM_APPLIANCE_PC 6
-struct madt_interrupt_source {
- APIC_HEADER_DEF MPS_INTI_FLAGS u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */
- u8 processor_id; /* Processor ID */
- u8 processor_eid; /* Processor EID */
- u8 io_sapic_vector; /* Vector value for PMI interrupts */
- u32 interrupt; /* Global system interrupt */
- u32 flags; /* Interrupt Source Flags */
-};
+/* FADT: Boot Arch Flags */
-/*
- * Smart Battery
- */
-struct smart_battery_table {
- ACPI_TABLE_HEADER_DEF u32 warning_level;
- u32 low_level;
- u32 critical_level;
-};
+#define BAF_LEGACY_DEVICES 0x0001
+#define BAF_8042_KEYBOARD_CONTROLLER 0x0002
+
+#define FADT2_REVISION_ID 3
+#define FADT2_MINUS_REVISION_ID 2
+
+/* Reset to default packing */
#pragma pack()
/*
+ * This macro is temporary until the table bitfield flag definitions
+ * are removed and replaced by a Flags field.
+ */
+#define ACPI_FLAG_OFFSET(d,f,o) (u8) (ACPI_OFFSET (d,f) + \
+ sizeof(((d *)0)->f) + o)
+/*
+ * Get the remaining ACPI tables
+ */
+#include "actbl1.h"
+
+/*
* ACPI Table information. We save the table address, length,
* and type of memory allocation (mapped or allocated) for each
* table for 1) when we exit, and 2) if a new table is installed
@@ -290,27 +354,17 @@ struct acpi_table_support {
u8 flags;
};
-/*
- * Get the ACPI version-specific tables
- */
-#include "actbl1.h" /* Acpi 1.0 table definitions */
-#include "actbl2.h" /* Acpi 2.0 table definitions */
-
extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1,
* needed for certain workarounds */
+/* Macros used to generate offsets to specific table fields */
-#pragma pack(1)
-/*
- * High performance timer
- */
-struct hpet_table {
- ACPI_TABLE_HEADER_DEF u32 hardware_id;
- struct acpi_generic_address base_address;
- u8 hpet_number;
- u16 clock_tick;
- u8 attributes;
-};
+#define ACPI_FACS_OFFSET(f) (u8) ACPI_OFFSET (struct facs_descriptor,f)
+#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct fadt_descriptor, f)
+#define ACPI_GAS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_generic_address,f)
+#define ACPI_HDR_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_header,f)
+#define ACPI_RSDP_OFFSET(f) (u8) ACPI_OFFSET (struct rsdp_descriptor,f)
-#pragma pack()
+#define ACPI_FADT_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct fadt_descriptor,f,o)
+#define ACPI_FACS_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct facs_descriptor,f,o)
#endif /* __ACTBL_H__ */