-----Original Message-----
From: Jeremy Linton [mailto:jeremy.linton at arm.com]
Sent: Thursday, November 9, 2017 1:03 PM
To: linux-acpi at vger.kernel.org
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Subject: [PATCH v4 1/9] ACPICA: Add additional PPTT flags for cache
properties

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 <redacted>
---
 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