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authorBob Moore <robert.moore@intel.com>2007-02-02 19:48:19 +0300
committerLen Brown <len.brown@intel.com>2007-02-02 21:14:22 -0500
commit8f34890dce60f7df6dd23a0d04977c6572adaab8 (patch)
tree94aa1b435338224512a71032c6149f1a063f054c /include
parentc5fc42ac4d4d6d3e3f619290b86890cb3725d2f8 (diff)
ACPICA: Update comments for individual table fields
comments only Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/acpi/actbl.h64
1 files changed, 32 insertions, 32 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index c55939e344a0..aed49a5d5838 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -56,7 +56,7 @@
#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
-#define ACPI_RSDP_NAME "RSDP"
+#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
/*
* All tables and structures must be byte-packed to match the ACPI
@@ -185,55 +185,55 @@ struct acpi_table_fadt {
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 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; /* Port address of SMI command port */
+ 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 S4bios_request; /* Value to write to SMI CMD to enter S4BIOS state */
u8 pstate_control; /* Processor performance state control */
- u32 pm1a_event_block; /* Port address of Power Mgt 1a Event Reg Blk */
- u32 pm1b_event_block; /* Port address of Power Mgt 1b Event Reg Blk */
- u32 pm1a_control_block; /* Port address of Power Mgt 1a Control Reg Blk */
- u32 pm1b_control_block; /* Port address of Power Mgt 1b Control Reg Blk */
- u32 pm2_control_block; /* Port address of Power Mgt 2 Control Reg Blk */
- u32 pm_timer_block; /* Port address of Power Mgt Timer Ctrl Reg Blk */
- u32 gpe0_block; /* Port addr of General Purpose Event 0 Reg Blk */
- u32 gpe1_block; /* Port addr of General Purpose Event 1 Reg Blk */
- u8 pm1_event_length; /* Byte Length of ports at pm1_x_evt_blk */
- u8 pm1_control_length; /* Byte Length of ports at pm1_x_cnt_blk */
- u8 pm2_control_length; /* Byte Length of ports at pm2_cnt_blk */
- u8 pm_timer_length; /* Byte Length of ports at pm_tmr_blk */
- u8 gpe0_block_length; /* Byte Length of ports at gpe0_blk */
- u8 gpe1_block_length; /* Byte Length of ports at gpe1_blk */
- u8 gpe1_base; /* Offset in gpe model where gpe1 events start */
- u8 cst_control; /* Support for the _CST object and C States change notification. */
+ 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 C2latency; /* Worst case HW latency to enter/exit C2 state */
u16 C3latency; /* 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 duty_offset; /* Processor duty cycle index in processor's 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 Table 5-10 for description */
u8 reserved; /* Reserved, must be zero */
- u32 flags; /* Miscellaneous flag bits */
- struct acpi_generic_address reset_register; /* Reset register address in GAS format */
+ 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 */
- u8 reserved4[3]; /* These three bytes must be zero */
+ u8 reserved4[3]; /* Reserved, must be zero */
u64 Xfacs; /* 64-bit physical address of FACS */
u64 Xdsdt; /* 64-bit physical address of DSDT */
- struct acpi_generic_address xpm1a_event_block; /* Extended Power Mgt 1a Event Reg Blk address */
- struct acpi_generic_address xpm1b_event_block; /* Extended Power Mgt 1b Event Reg Blk address */
- struct acpi_generic_address xpm1a_control_block; /* Extended Power Mgt 1a Control Reg Blk address */
- struct acpi_generic_address xpm1b_control_block; /* Extended Power Mgt 1b Control Reg Blk address */
- struct acpi_generic_address xpm2_control_block; /* Extended Power Mgt 2 Control Reg Blk address */
- struct acpi_generic_address xpm_timer_block; /* Extended Power Mgt Timer Ctrl Reg Blk address */
- struct acpi_generic_address xgpe0_block; /* Extended General Purpose Event 0 Reg Blk address */
- struct acpi_generic_address xgpe1_block; /* Extended General Purpose Event 1 Reg Blk address */
+ 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 */
};
/* FADT flags */