http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/efi.h

#ifndef _LINUX_EFI_H #define _LINUX_EFI_H /* * Extensible Firmware Interface * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999 * * Copyright (C) 1999 VA Linux Systems * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. * David Mosberger-Tang <davidm@hpl.hp.com> * Stephane Eranian <eranian@hpl.hp.com> */ #include <linux/init.h> #include <linux/string.h> #include <linux/time.h> #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/rtc.h> #include <linux/ioport.h> #include <asm/page.h> #include <asm/system.h> #define EFI_SUCCESS 0 #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) typedef unsigned long efi_status_t; typedef u8 efi_bool_t; typedef u16 efi_char16_t; /* UNICODE character */ typedef struct { u8 b[16]; } efi_guid_t; #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ ((efi_guid_t) \ {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ (b) & 0xff, ((b) >> 8) & 0xff, \ (c) & 0xff, ((c) >> 8) & 0xff, \ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) /* * Generic EFI table header */ typedef struct { u64 signature; u32 revision; u32 headersize; u32 crc32; u32 reserved; } efi_table_hdr_t; /* * Memory map descriptor: */ /* Memory types: */ #define EFI_RESERVED_TYPE 0 #define EFI_LOADER_CODE 1 #define EFI_LOADER_DATA 2 #define EFI_BOOT_SERVICES_CODE 3 #define EFI_BOOT_SERVICES_DATA 4 #define EFI_RUNTIME_SERVICES_CODE 5 #define EFI_RUNTIME_SERVICES_DATA 6 #define EFI_CONVENTIONAL_MEMORY 7 #define EFI_UNUSABLE_MEMORY 8 #define EFI_ACPI_RECLAIM_MEMORY 9 #define EFI_ACPI_MEMORY_NVS 10 #define EFI_MEMORY_MAPPED_IO 11 #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12 #define EFI_PAL_CODE 13 #define EFI_MAX_MEMORY_TYPE 14 /* Attribute values: */ #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */ #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ #define EFI_MEMORY_DESCRIPTOR_VERSION 1 #define EFI_PAGE_SHIFT 12 typedef struct { u32 type; u32 pad; u64 phys_addr; u64 virt_addr; u64 num_pages; u64 attribute; } efi_memory_desc_t; typedef int (*efi_freemem_callback_t) (unsigned long start, unsigned long end, void *arg); /* * Types and defines for Time Services */ #define EFI_TIME_ADJUST_DAYLIGHT 0x1 #define EFI_TIME_IN_DAYLIGHT 0x2 #define EFI_UNSPECIFIED_TIMEZONE 0x07ff typedef struct { u16 year; u8 month; u8 day; u8 hour; u8 minute; u8 second; u8 pad1; u32 nanosecond; s16 timezone; u8 daylight; u8 pad2; } efi_time_t; typedef struct { u32 resolution; u32 accuracy; u8 sets_to_zero; } efi_time_cap_t; /* * Types and defines for EFI ResetSystem */ #define EFI_RESET_COLD 0 #define EFI_RESET_WARM 1 #define EFI_RESET_SHUTDOWN 2 /* * EFI Runtime Services table */ #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL) #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 typedef struct { efi_table_hdr_t hdr; unsigned long get_time; unsigned long set_time; unsigned long get_wakeup_time; unsigned long set_wakeup_time; unsigned long set_virtual_address_map; unsigned long convert_pointer; unsigned long get_variable; unsigned long get_next_variable; unsigned long set_variable; unsigned long get_next_high_mono_count; unsigned long reset_system; } efi_runtime_services_t; typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); typedef efi_status_t efi_set_time_t (efi_time_t *tm); typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, efi_time_t *tm); typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, unsigned long *data_size, void *data); typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, efi_guid_t *vendor); typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, unsigned long attr, unsigned long data_size, void *data); typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); typedef void efi_reset_system_t (int reset_type, efi_status_t status, unsigned long data_size, efi_char16_t *data); typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, unsigned long descriptor_size, u32 descriptor_version, efi_memory_desc_t *virtual_map); /* * EFI Configuration Table and GUID definitions */ #define NULL_GUID \ EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ) #define MPS_TABLE_GUID \ EFI_GUID( 0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) #define ACPI_TABLE_GUID \ EFI_GUID( 0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) #define ACPI_20_TABLE_GUID \ EFI_GUID( 0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 ) #define SMBIOS_TABLE_GUID \ EFI_GUID( 0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) #define SAL_SYSTEM_TABLE_GUID \ EFI_GUID( 0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d ) #define HCDP_TABLE_GUID \ EFI_GUID( 0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 ) #define UGA_IO_PROTOCOL_GUID \ EFI_GUID( 0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0xb, 0x7, 0xa2 ) #define EFI_GLOBAL_VARIABLE_GUID \ EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c ) typedef struct { efi_guid_t guid; unsigned long table; } efi_config_table_t; #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) #define EFI_SYSTEM_TABLE_REVISION ((1 << 16) | 00) typedef struct { efi_table_hdr_t hdr; unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */ u32 fw_revision; unsigned long con_in_handle; unsigned long con_in; unsigned long con_out_handle; unsigned long con_out; unsigned long stderr_handle; unsigned long stderr; efi_runtime_services_t *runtime; unsigned long boottime; unsigned long nr_tables; unsigned long tables; } efi_system_table_t; struct efi_memory_map { void *phys_map; void *map; void *map_end; int nr_map; unsigned long desc_version; unsigned long desc_size; }; /* * All runtime access to EFI goes through this structure: */ extern struct efi { efi_system_table_t *systab; /* EFI system table */ void *mps; /* MPS table */ void *acpi; /* ACPI table (IA64 ext 0.71) */ void *acpi20; /* ACPI table (ACPI 2.0) */ void *smbios; /* SM BIOS table */ void *sal_systab; /* SAL system table */ void *boot_info; /* boot info table */ void *hcdp; /* HCDP table */ void *uga; /* UGA table */ efi_get_time_t *get_time; efi_set_time_t *set_time; efi_get_wakeup_time_t *get_wakeup_time; efi_set_wakeup_time_t *set_wakeup_time; efi_get_variable_t *get_variable; efi_get_next_variable_t *get_next_variable; efi_set_variable_t *set_variable; efi_get_next_high_mono_count_t *get_next_high_mono_count; efi_reset_system_t *reset_system; efi_set_virtual_address_map_t *set_virtual_address_map; } efi; static inline int efi_guidcmp (efi_guid_t left, efi_guid_t right) { return memcmp(&left, &right, sizeof (efi_guid_t)); } static inline char * efi_guid_unparse(efi_guid_t *guid, char *out) { sprintf(out, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", guid->b[3], guid->b[2], guid->b[1], guid->b[0], guid->b[5], guid->b[4], guid->b[7], guid->b[6], guid->b[8], guid->b[9], guid->b[10], guid->b[11], guid->b[12], guid->b[13], guid->b[14], guid->b[15]); return out; } extern void efi_init (void); extern void *efi_get_pal_addr (void); extern void efi_map_pal_code (void); extern void efi_map_memmap(void); extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); extern void efi_gettimeofday (struct timespec *ts); extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ extern u64 efi_get_iobase (void); extern u32 efi_mem_type (unsigned long phys_addr); extern u64 efi_mem_attributes (unsigned long phys_addr); extern int __init efi_uart_console_only (void); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource); extern unsigned long __init efi_get_time(void); extern int __init efi_set_rtc_mmss(unsigned long nowtime); extern struct efi_memory_map memmap; /** * efi_range_is_wc - check the WC bit on an address range * @start: starting kvirt address * @len: length of range * * Consult the EFI memory map and make sure it's ok to set this range WC. * Returns true or false. */ static inline int efi_range_is_wc(unsigned long start, unsigned long len) { unsigned long i; for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) { unsigned long paddr = __pa(start + i); if (!(efi_mem_attributes(paddr) & EFI_MEMORY_WC)) return 0; } /* The range checked out */ return 1; } #ifdef CONFIG_EFI_PCDP extern int __init efi_setup_pcdp_console(char *); #endif /* * We play games with efi_enabled so that the compiler will, if possible, remove * EFI-related code altogether. */ #ifdef CONFIG_EFI # ifdef CONFIG_X86 extern int efi_enabled; # else # define efi_enabled 1 # endif #else # define efi_enabled 0 #endif /* * Variable Attributes */ #define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002 #define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004 /* * EFI Device Path information */ #define EFI_DEV_HW 0x01 #define EFI_DEV_PCI 1 #define EFI_DEV_PCCARD 2 #define EFI_DEV_MEM_MAPPED 3 #define EFI_DEV_VENDOR 4 #define EFI_DEV_CONTROLLER 5 #define EFI_DEV_ACPI 0x02 #define EFI_DEV_BASIC_ACPI 1 #define EFI_DEV_EXPANDED_ACPI 2 #define EFI_DEV_MSG 0x03 #define EFI_DEV_MSG_ATAPI 1 #define EFI_DEV_MSG_SCSI 2 #define EFI_DEV_MSG_FC 3 #define EFI_DEV_MSG_1394 4 #define EFI_DEV_MSG_USB 5 #define EFI_DEV_MSG_USB_CLASS 15 #define EFI_DEV_MSG_I20 6 #define EFI_DEV_MSG_MAC 11 #define EFI_DEV_MSG_IPV4 12 #define EFI_DEV_MSG_IPV6 13 #define EFI_DEV_MSG_INFINIBAND 9 #define EFI_DEV_MSG_UART 14 #define EFI_DEV_MSG_VENDOR 10 #define EFI_DEV_MEDIA 0x04 #define EFI_DEV_MEDIA_HARD_DRIVE 1 #define EFI_DEV_MEDIA_CDROM 2 #define EFI_DEV_MEDIA_VENDOR 3 #define EFI_DEV_MEDIA_FILE 4 #define EFI_DEV_MEDIA_PROTOCOL 5 #define EFI_DEV_BIOS_BOOT 0x05 #define EFI_DEV_END_PATH 0x7F #define EFI_DEV_END_PATH2 0xFF #define EFI_DEV_END_INSTANCE 0x01 #define EFI_DEV_END_ENTIRE 0xFF struct efi_generic_dev_path { u8 type; u8 sub_type; u16 length; } __attribute ((packed)); #endif /* _LINUX_EFI_H */