/* Fields common to all versions of the FADT */
struct acpi_table_fadt {
- struct acpi_table_header header; /* [V1] Common ACPI table header */
- u32 facs; /* [V1] 32-bit physical address of FACS */
- u32 dsdt; /* [V1] 32-bit physical address of DSDT */
- u8 model; /* [V1] System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
- u8 preferred_profile; /* [V1] Conveys preferred power management profile to OSPM. */
- u16 sci_interrupt; /* [V1] System vector of SCI interrupt */
- u32 smi_command; /* [V1] 32-bit Port address of SMI command port */
- u8 acpi_enable; /* [V1] Value to write to SMI_CMD to enable ACPI */
- u8 acpi_disable; /* [V1] Value to write to SMI_CMD to disable ACPI */
- u8 s4_bios_request; /* [V1] Value to write to SMI_CMD to enter S4BIOS state */
- u8 pstate_control; /* [V1] Processor performance state control */
- u32 pm1a_event_block; /* [V1] 32-bit port address of Power Mgt 1a Event Reg Blk */
- u32 pm1b_event_block; /* [V1] 32-bit port address of Power Mgt 1b Event Reg Blk */
- u32 pm1a_control_block; /* [V1] 32-bit port address of Power Mgt 1a Control Reg Blk */
- u32 pm1b_control_block; /* [V1] 32-bit port address of Power Mgt 1b Control Reg Blk */
- u32 pm2_control_block; /* [V1] 32-bit port address of Power Mgt 2 Control Reg Blk */
- u32 pm_timer_block; /* [V1] 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
- u32 gpe0_block; /* [V1] 32-bit port address of General Purpose Event 0 Reg Blk */
- u32 gpe1_block; /* [V1] 32-bit port address of General Purpose Event 1 Reg Blk */
- u8 pm1_event_length; /* [V1] Byte Length of ports at pm1x_event_block */
- u8 pm1_control_length; /* [V1] Byte Length of ports at pm1x_control_block */
- u8 pm2_control_length; /* [V1] Byte Length of ports at pm2_control_block */
- u8 pm_timer_length; /* [V1] Byte Length of ports at pm_timer_block */
- u8 gpe0_block_length; /* [V1] Byte Length of ports at gpe0_block */
- u8 gpe1_block_length; /* [V1] Byte Length of ports at gpe1_block */
- u8 gpe1_base; /* [V1] Offset in GPE number space where GPE1 events start */
- u8 cst_control; /* [V1] Support for the _CST object and C-States change notification */
- u16 c2_latency; /* [V1] Worst case HW latency to enter/exit C2 state */
- u16 c3_latency; /* [V1] Worst case HW latency to enter/exit C3 state */
- u16 flush_size; /* [V1] Processor memory cache line width, in bytes */
- u16 flush_stride; /* [V1] Number of flush strides that need to be read */
- u8 duty_offset; /* [V1] Processor duty cycle index in processor P_CNT reg */
- u8 duty_width; /* [V1] Processor duty cycle value bit width in P_CNT register */
- u8 day_alarm; /* [V1] Index to day-of-month alarm in RTC CMOS RAM */
- u8 month_alarm; /* [V1] Index to month-of-year alarm in RTC CMOS RAM */
- u8 century; /* [V1] Index to century in RTC CMOS RAM */
- u16 boot_flags; /* [V3] IA-PC Boot Architecture Flags (see below for individual flags) */
- u8 reserved; /* [V1] Reserved, must be zero */
- u32 flags; /* [V1] Miscellaneous flag bits (see below for individual flags) */
- /* End of Version 1 FADT fields (ACPI 1.0) */
-
- struct acpi_generic_address reset_register; /* [V3] 64-bit address of the Reset register */
- u8 reset_value; /* [V3] Value to write to the reset_register port to reset the system */
- u16 arm_boot_flags; /* [V5] ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
- u8 minor_revision; /* [V5] FADT Minor Revision (ACPI 5.1) */
- u64 Xfacs; /* [V3] 64-bit physical address of FACS */
- u64 Xdsdt; /* [V3] 64-bit physical address of DSDT */
- struct acpi_generic_address xpm1a_event_block; /* [V3] 64-bit Extended Power Mgt 1a Event Reg Blk address */
- struct acpi_generic_address xpm1b_event_block; /* [V3] 64-bit Extended Power Mgt 1b Event Reg Blk address */
- struct acpi_generic_address xpm1a_control_block; /* [V3] 64-bit Extended Power Mgt 1a Control Reg Blk address */
- struct acpi_generic_address xpm1b_control_block; /* [V3] 64-bit Extended Power Mgt 1b Control Reg Blk address */
- struct acpi_generic_address xpm2_control_block; /* [V3] 64-bit Extended Power Mgt 2 Control Reg Blk address */
- struct acpi_generic_address xpm_timer_block; /* [V3] 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
- struct acpi_generic_address xgpe0_block; /* [V3] 64-bit Extended General Purpose Event 0 Reg Blk address */
- struct acpi_generic_address xgpe1_block; /* [V3] 64-bit Extended General Purpose Event 1 Reg Blk address */
- /* End of Version 3 FADT fields (ACPI 2.0) */
-
- struct acpi_generic_address sleep_control; /* [V4] 64-bit Sleep Control register (ACPI 5.0) */
- /* End of Version 4 FADT fields (ACPI 3.0 and ACPI 4.0) (Field was originally reserved in ACPI 3.0) */
-
- struct acpi_generic_address sleep_status; /* [V5] 64-bit Sleep Status register (ACPI 5.0) */
- /* End of Version 5 FADT fields (ACPI 5.0) */
-
- u64 hypervisor_id; /* [V6] Hypervisor Vendor ID (ACPI 6.0) */
- /* End of Version 6 FADT fields (ACPI 6.0) */
-
+ struct acpi_table_header header; /* Common ACPI table header */
+ u32 facs; /* 32-bit physical address of FACS */
+ u32 dsdt; /* 32-bit physical address of DSDT */
+ u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
+ u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
+ u16 sci_interrupt; /* System vector of SCI interrupt */
+ u32 smi_command; /* 32-bit 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 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */
+ u8 pstate_control; /* Processor performance state control */
+ u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */
+ u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */
+ u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */
+ u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */
+ u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */
+ u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
+ u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */
+ u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */
+ u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */
+ u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */
+ u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */
+ u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */
+ u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */
+ u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */
+ u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */
+ u8 cst_control; /* Support for the _CST object and C-States change notification */
+ u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */
+ u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */
+ u16 flush_size; /* Processor memory cache line width, in bytes */
+ u16 flush_stride; /* Number of flush strides that need to be read */
+ u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */
+ u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */
+ u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */
+ u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */
+ u8 century; /* Index to century in RTC CMOS RAM */
+ u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
+ u8 reserved; /* Reserved, must be zero */
+ u32 flags; /* Miscellaneous flag bits (see below for individual flags) */
+ struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */
+ u8 reset_value; /* Value to write to the reset_register port to reset the system */
+ u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
+ u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */
+ u64 Xfacs; /* 64-bit physical address of FACS */
+ u64 Xdsdt; /* 64-bit physical address of DSDT */
+ struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
+ struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
+ struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
+ struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
+ struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
+ struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
+ struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
+ struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
+ struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */
+ struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */
+ u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */
};
/* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
/* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
-#define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5] PSCI 0.2+ is implemented */
-#define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5] HVC must be used instead of SMC as the PSCI conduit */
+#define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */
+#define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
/* Masks for FADT flags */
* match the expected length. In other words, the length of the
* FADT is the bottom line as to what the version really is.
*
- * NOTE: There is no officialy released V2 of the FADT. This
- * version was used only for prototyping and testing during the
- * 32-bit to 64-bit transition. V3 was the first official 64-bit
- * version of the FADT.
- *
- * Update this list of defines when a new version of the FADT is
- * added to the ACPI specification. Note that the FADT version is
- * only incremented when new fields are appended to the existing
- * version. Therefore, the FADT version is competely independent
- * from the version of the ACPI specification where it is
- * defined.
- *
- * For reference, the various FADT lengths are as follows:
- * FADT V1 size: 0x074 ACPI 1.0
- * FADT V3 size: 0x0F4 ACPI 2.0
- * FADT V4 size: 0x100 ACPI 3.0 and ACPI 4.0
- * FADT V5 size: 0x10C ACPI 5.0
- * FADT V6 size: 0x114 ACPI 6.0
+ * For reference, the values below are as follows:
+ * FADT V1 size: 0x074
+ * FADT V2 size: 0x084
+ * FADT V3 size: 0x0F4
+ * FADT V4 size: 0x0F4
+ * FADT V5 size: 0x10C
+ * FADT V6 size: 0x114
*/
-#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4) /* ACPI 1.0 */
-#define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control)) /* ACPI 2.0 */
-#define ACPI_FADT_V4_SIZE (u32) (ACPI_FADT_OFFSET (sleep_status)) /* ACPI 3.0 and ACPI 4.0 */
-#define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id)) /* ACPI 5.0 */
-#define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt)) /* ACPI 6.0 */
-
-/* Update these when new FADT versions are added */
+#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
+#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1)
+#define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control))
+#define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id))
+#define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt))
-#define ACPI_FADT_MAX_VERSION 6
#define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)"
#endif /* __ACTBL_H__ */
# as published by the Free Software Foundation; version 2
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