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Diffstat (limited to 'include/acpi/actbl2.h')
-rw-r--r--include/acpi/actbl2.h109
1 files changed, 62 insertions, 47 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index e1729c967e0..84ce5abbd6f 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -73,8 +73,7 @@
struct rsdt_descriptor_rev2
{
ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u32 table_offset_entry [1]; /* Array of pointers to */
- /* ACPI table headers */
+ u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
};
@@ -84,8 +83,7 @@ struct rsdt_descriptor_rev2
struct xsdt_descriptor_rev2
{
ACPI_TABLE_HEADER_DEF /* ACPI common table header */
- u64 table_offset_entry [1]; /* Array of pointers to */
- /* ACPI table headers */
+ u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
};
@@ -94,16 +92,21 @@ struct xsdt_descriptor_rev2
*/
struct facs_descriptor_rev2
{
- char signature[4]; /* ACPI signature */
+ char signature[4]; /* ASCII table signature */
u32 length; /* Length of structure, in bytes */
u32 hardware_signature; /* Hardware configuration signature */
- u32 firmware_waking_vector; /* 32bit physical address of the Firmware Waking Vector. */
+ u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector. */
u32 global_lock; /* Global Lock used to synchronize access to shared hardware resources */
- u32 S4bios_f : 1; /* S4Bios_f - Indicates if S4BIOS support is present */
- u32 reserved1 : 31; /* Must be 0 */
- u64 xfirmware_waking_vector; /* 64bit physical address of the Firmware Waking Vector. */
+
+ /* Flags (32 bits) */
+
+ 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 */
+
+ u64 xfirmware_waking_vector; /* 64-bit physical address of the Firmware Waking Vector. */
u8 version; /* Version of this table */
- u8 reserved3 [31]; /* Reserved - must be zero */
+ u8 reserved3[31]; /* Reserved, must be zero */
};
@@ -165,35 +168,37 @@ struct fadt_descriptor_rev2
{
ACPI_TABLE_HEADER_DEF /* ACPI common table header */
FADT_REV2_COMMON
- u8 reserved2; /* Reserved */
- u32 wb_invd : 1; /* The wbinvd instruction works properly */
- u32 wb_invd_flush : 1; /* The wbinvd flushes but does not invalidate */
- u32 proc_c1 : 1; /* All processors support C1 state */
- u32 plvl2_up : 1; /* C2 state works on MP system */
- u32 pwr_button : 1; /* Power button is handled as a generic feature */
- u32 sleep_button : 1; /* Sleep button is handled as a generic feature, or not present */
- u32 fixed_rTC : 1; /* RTC wakeup stat not in fixed register space */
- u32 rtcs4 : 1; /* RTC wakeup stat not possible from S4 */
- u32 tmr_val_ext : 1; /* Indicates tmr_val is 32 bits 0=24-bits */
- u32 dock_cap : 1; /* Supports Docking */
- u32 reset_reg_sup : 1; /* Indicates system supports system reset via the FADT RESET_REG */
- u32 sealed_case : 1; /* Indicates system has no internal expansion capabilities and case is sealed */
- u32 headless : 1; /* Indicates system does not have local video capabilities or local input devices */
- u32 cpu_sw_sleep : 1; /* Indicates to OSPM that a processor native instruction */
- /* must be executed after writing the SLP_TYPx register */
- /* ACPI 3.0 flag bits */
-
- u32 pci_exp_wak : 1; /* System supports PCIEXP_WAKE (STS/EN) bits */
- u32 use_platform_clock : 1; /* OSPM should use platform-provided timer */
- u32 S4rtc_sts_valid : 1; /* Contents of RTC_STS valid after S4 wake */
- u32 remote_power_on_capable : 1; /* System is compatible with remote power on */
- u32 force_apic_cluster_model : 1; /* All local APICs must use cluster model */
- u32 force_apic_physical_destination_mode : 1; /* all local x_aPICs must use physical dest mode */
- u32 reserved6 : 12;/* Reserved - must be zero */
+ u8 reserved2; /* Reserved, must be zero */
+
+ /* 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 reserved7[3]; /* These three bytes must be zero */
+ 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 */
@@ -213,11 +218,11 @@ struct fadt_descriptor_rev2_minus
{
ACPI_TABLE_HEADER_DEF /* ACPI common table header */
FADT_REV2_COMMON
- u8 reserved2; /* Reserved */
+ u8 reserved2; /* Reserved, must be zero */
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]; /* These three bytes must be zero */
+ u8 reserved7[3]; /* Reserved, must be zero */
};
@@ -242,11 +247,16 @@ struct static_resource_alloc
u8 length;
u8 proximity_domain_lo;
u8 apic_id;
- u32 enabled :1;
- u32 reserved3 :31;
+
+ /* Flags (32 bits) */
+
+ u8 enabled :1; /* 00: Use affinity structure */
+ u8 :7; /* 01-07: Reserved, must be zero */
+ u8 reserved3[3]; /* 08-31: Reserved, must be zero */
+
u8 local_sapic_eid;
u8 proximity_domain_hi[3];
- u32 reserved4;
+ u32 reserved4; /* Reserved, must be zero */
};
struct memory_affinity
@@ -258,18 +268,23 @@ struct memory_affinity
u64 base_address;
u64 address_length;
u32 reserved4;
- u32 enabled :1;
- u32 hot_pluggable :1;
- u32 non_volatile :1;
- u32 reserved5 :29;
- u64 reserved6;
+
+ /* Flags (32 bits) */
+
+ u8 enabled :1; /* 00: Use affinity structure */
+ u8 hot_pluggable :1; /* 01: Memory region is hot pluggable */
+ u8 non_volatile :1; /* 02: Memory is non-volatile */
+ u8 :5; /* 03-07: Reserved, must be zero */
+ u8 reserved5[3]; /* 08-31: Reserved, must be zero */
+
+ u64 reserved6; /* Reserved, must be zero */
};
struct system_resource_affinity
{
ACPI_TABLE_HEADER_DEF
u32 reserved1; /* Must be value '1' */
- u64 reserved2;
+ u64 reserved2; /* Reserved, must be zero */
};