diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/actbl.h | 1 | ||||
| -rw-r--r-- | include/acpi/actypes.h | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index 517addd6b11d..0a977eca0a74 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -38,6 +38,7 @@ #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */ #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */ #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ +#define ACPI_OEM_NAME "OEM" /* Short name for OEM, not signature */ /* * All tables and structures must be byte-packed to match the ACPI diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 91ff73e99bbd..2590627dbfcc 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -527,6 +527,10 @@ typedef u64 acpi_integer; #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8)) +/* Support for OEMx signature (x can be any character) */ +#define ACPI_IS_OEM_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_OEM_NAME, 3) &&\ + strnlen (a, ACPI_NAME_SIZE) == ACPI_NAME_SIZE) + /* * Algorithm to obtain access bit width. * Can be used with access_width of struct acpi_generic_address and access_size of |