| #ifndef KVM_ACPI_H |
| #define KVM_ACPI_H 1 |
| |
| #include "libcflat.h" |
| |
| #define ACPI_SIGNATURE(c1, c2, c3, c4) \ |
| ((c1) | ((c2) << 8) | ((c3) << 16) | ((c4) << 24)) |
| |
| #define RSDP_SIGNATURE ACPI_SIGNATURE('R','S','D','P') |
| #define RSDT_SIGNATURE ACPI_SIGNATURE('R','S','D','T') |
| #define FACP_SIGNATURE ACPI_SIGNATURE('F','A','C','P') |
| #define FACS_SIGNATURE ACPI_SIGNATURE('F','A','C','S') |
| |
| struct rsdp_descriptor { /* Root System Descriptor Pointer */ |
| u64 signature; /* ACPI signature, contains "RSD PTR " */ |
| u8 checksum; /* To make sum of struct == 0 */ |
| u8 oem_id [6]; /* OEM identification */ |
| u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */ |
| u32 rsdt_physical_address; /* 32-bit physical address of RSDT */ |
| u32 length; /* XSDT Length in bytes including hdr */ |
| u64 xsdt_physical_address; /* 64-bit physical address of XSDT */ |
| u8 extended_checksum; /* Checksum of entire table */ |
| u8 reserved [3]; /* Reserved field must be 0 */ |
| }; |
| |
| #define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \ |
| u32 signature; /* ACPI signature (4 ASCII characters) */ \ |
| u32 length; /* Length of table, in bytes, including header */ \ |
| u8 revision; /* ACPI Specification minor version # */ \ |
| u8 checksum; /* To make sum of entire table == 0 */ \ |
| u8 oem_id [6]; /* OEM identification */ \ |
| u8 oem_table_id [8]; /* OEM table identification */ \ |
| u32 oem_revision; /* OEM revision number */ \ |
| u8 asl_compiler_id [4]; /* ASL compiler vendor ID */ \ |
| u32 asl_compiler_revision; /* ASL compiler revision number */ |
| |
| struct acpi_table { |
| ACPI_TABLE_HEADER_DEF |
| char data[0]; |
| }; |
| |
| struct rsdt_descriptor_rev1 { |
| ACPI_TABLE_HEADER_DEF |
| u32 table_offset_entry[0]; |
| }; |
| |
| struct fadt_descriptor_rev1 |
| { |
| ACPI_TABLE_HEADER_DEF /* ACPI common table header */ |
| u32 firmware_ctrl; /* Physical address of FACS */ |
| u32 dsdt; /* Physical address of DSDT */ |
| u8 model; /* System Interrupt Model */ |
| u8 reserved1; /* Reserved */ |
| 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 reserved2; /* Reserved - must be zero */ |
| u32 pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */ |
| u32 pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */ |
| u32 pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ |
| u32 pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ |
| u32 pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ |
| u32 pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ |
| u32 gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ |
| u32 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_tmr_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 reserved3; /* Reserved */ |
| 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; /* Size of area read to flush caches */ |
| u16 flush_stride; /* Stride used in flushing caches */ |
| u8 duty_offset; /* Bit location of duty cycle field in p_cnt reg */ |
| u8 duty_width; /* Bit width of duty cycle field in p_cnt reg */ |
| 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 */ |
| u8 reserved4; /* Reserved */ |
| u8 reserved4a; /* Reserved */ |
| u8 reserved4b; /* Reserved */ |
| }; |
| |
| struct facs_descriptor_rev1 |
| { |
| u32 signature; /* ACPI Signature */ |
| u32 length; /* Length of structure, in bytes */ |
| u32 hardware_signature; /* Hardware configuration signature */ |
| u32 firmware_waking_vector; /* ACPI OS waking vector */ |
| u32 global_lock; /* Global Lock */ |
| u32 S4bios_f : 1; /* Indicates if S4BIOS support is present */ |
| u32 reserved1 : 31; /* Must be 0 */ |
| u8 reserved3 [40]; /* Reserved - must be zero */ |
| }; |
| |
| void* find_acpi_table_addr(u32 sig); |
| |
| #endif |
