[PATCH 14/15] ACPICA: ACPI 6.2: Additional PPTT flags

Erik Schmauss
2017-11-17T23:46:45Z

From: Jeremy Linton <jeremy.linton@arm.com>

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 <jeremy.linton@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
---
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 {
--
2.13.6