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authorJiri Kosina <jkosina@suse.cz>2011-05-18 19:06:31 +0400
committerJiri Kosina <jkosina@suse.cz>2011-05-18 19:06:49 +0400
commit6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch)
treef2f77cc31b4548745778fca6a51b09e1d8a49804 /include/acpi/actbl.h
parentb50f315cbb865079a16a12fd9ae6083f98fd592c (diff)
parentc1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff)
downloadlinux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.xz
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition that went in through input tree.
Diffstat (limited to 'include/acpi/actbl.h')
-rw-r--r--include/acpi/actbl.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 7e42bfee0e29..f1380287ed4d 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -290,7 +290,7 @@ struct acpi_table_fadt {
#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
-/* Values for preferred_profile (Prefered Power Management Profiles) */
+/* Values for preferred_profile (Preferred Power Management Profiles) */
enum acpi_prefered_pm_profiles {
PM_UNSPECIFIED = 0,
@@ -343,4 +343,20 @@ struct acpi_table_desc {
#include <acpi/actbl1.h>
#include <acpi/actbl2.h>
+/*
+ * Sizes of the various flavors of FADT. We need to look closely
+ * at the FADT length because the version number essentially tells
+ * us nothing because of many BIOS bugs where the version does not
+ * match the expected length. In other words, the length of the
+ * FADT is the bottom line as to what the version really is.
+ *
+ * For reference, the values below are as follows:
+ * FADT V1 size: 0x74
+ * FADT V2 size: 0x84
+ * FADT V3+ size: 0xF4
+ */
+#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
+#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
+#define ACPI_FADT_V3_SIZE (u32) (sizeof (struct acpi_table_fadt))
+
#endif /* __ACTBL_H__ */