From e3860b5ecff12770a45bd11c8d4fb8ac0fffcce1 Mon Sep 17 00:00:00 2001 From: Jeremy Linton Date: Fri, 17 Nov 2017 15:42:29 -0800 Subject: [PATCH] ACPICA: ACPI 6.2: Additional PPTT flags ACPICA commit fba3ae99b2bc514ca34f0d7b2609c2a043582784 The ACPI 6.2 spec has flags to describe cache allocation, write back, and whether it is an instruction, data or unified cache. Link: https://github.com/acpica/acpica/commit/fba3ae99 Signed-off-by: Jeremy Linton Signed-off-by: Bob Moore Signed-off-by: Erik Schmauss Signed-off-by: Rafael J. Wysocki --- include/acpi/actbl1.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 178661f1b896..4c304bf4d591 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -1441,6 +1441,20 @@ 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 {