diff options
| author | Bjorn Helgaas <bjorn.helgaas@com.rmk.(none)> | 2004-05-04 19:56:47 +0100 |
|---|---|---|
| committer | Russell King <rmk@flint.arm.linux.org.uk> | 2004-05-04 19:56:47 +0100 |
| commit | f34acba32ca325b8f667b9ec0034d8b8aaad262d (patch) | |
| tree | a1123ec98941930357cf36b3f372620eae32b496 /include/linux/efi.h | |
| parent | 7c6d39f10113f58c6d79abb231afb1196f328ec8 (diff) | |
[SERIAL] default to serial console when possible
Patch from Bjorn Helgaas
This adds efi_uart_console_only() so we can default to using a serial
console if the EFI console path only contains UARTs.
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index b29c8d42178f..536b82838671 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -212,6 +212,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz #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; @@ -294,6 +297,7 @@ extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if pos 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 efi_status_t phys_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc); @@ -322,6 +326,49 @@ extern struct efi_memory_map memmap; #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)); /* * efi_dir is allocated in arch/ia64/kernel/efi.c. |