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authorLin Ming <ming.m.lin@intel.com>2012-01-12 13:10:32 +0800
committerLen Brown <len.brown@intel.com>2012-01-17 03:38:50 -0500
commitf654c0fefa8c16d439185b61442710fadc167e78 (patch)
treef6a375f7404e6a76f6eb24cc7d639f32b6789c7d /drivers/acpi/acpica/acutils.h
parentecafe6faa294697305453b5a6af7760b94622787 (diff)
ACPICA: Add support for region address conflict checking
Allows drivers to determine if any memory or I/O addresses will conflict with addresses used by ACPI operation regions. Introduces a new interface, acpi_check_address_range. http://marc.info/?t=132251388700002&r=1&w=2 Reported-and-tested-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/acutils.h')
-rw-r--r--drivers/acpi/acpica/acutils.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index ab95d452f87d..57df29360b9f 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -580,6 +580,24 @@ acpi_ut_create_list(char *list_name,
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
/*
+ * utaddress - address range check
+ */
+acpi_status
+acpi_ut_add_address_range(acpi_adr_space_type space_id,
+ acpi_physical_address address,
+ u32 length, struct acpi_namespace_node *region_node);
+
+void
+acpi_ut_remove_address_range(acpi_adr_space_type space_id,
+ struct acpi_namespace_node *region_node);
+
+u32
+acpi_ut_check_address_range(acpi_adr_space_type space_id,
+ acpi_physical_address address, u32 length, u8 warn);
+
+void acpi_ut_delete_address_lists(void);
+
+/*
* utxferror - various error/warning output functions
*/
void ACPI_INTERNAL_VAR_XFACE