The PPTT table has a number of flags that can be set to describe whether the cache is I/D/U and the allocation and write policies. Add these flags.
Signed-off-by: Jeremy Linton <[email protected]> --- include/acpi/actbl1.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 6b8714a428b6..71f874e2790d 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -1346,6 +1346,20 @@ struct acpi_pptt_cache { #define ACPI_PPTT_MASK_CACHE_TYPE (0x0C) /* Cache type */ #define ACPI_PPTT_MASK_WRITE_POLICY (0x10) /* Write policy */ +/* Attributes describing cache */ +#define ACPI_PPTT_CACHE_READ_ALLOCATE (0x0) /* Cache line is allocated on read */ +#define ACPI_PPTT_CACHE_WRITE_ALLOCATE (0x01) /* Cache line is allocated on write */ +#define ACPI_PPTT_CACHE_RW_ALLOCATE (0x02) /* Cache line is allocated on read and write */ +#define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT (0x03) /* Alternate representation of above */ + +#define ACPI_PPTT_CACHE_TYPE_DATA (0x0) /* Data cache */ +#define ACPI_PPTT_CACHE_TYPE_INSTR (1<<2) /* Instruction cache */ +#define ACPI_PPTT_CACHE_TYPE_UNIFIED (2<<2) /* Unified I & D cache */ +#define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT (3<<2) /* Alternate representation of above */ + +#define ACPI_PPTT_CACHE_POLICY_WB (0x0) /* Cache is write back */ +#define ACPI_PPTT_CACHE_POLICY_WT (1<<4) /* Cache is write through */ + /* 2: ID Structure */ struct acpi_pptt_id { -- 2.13.5
