Commit 36f36151 authored by Betty Dall's avatar Betty Dall Committed by Rafael J. Wysocki

ACPICA: Add helper macros to extract bus/segment numbers from HEST table.

This change adds two macros to extract the encoded bus and segment
numbers from the HEST Bus field.
Signed-off-by: default avatarBetty Dall <betty.dall@hp.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f0d73664
...@@ -457,7 +457,7 @@ struct acpi_hest_aer_common { ...@@ -457,7 +457,7 @@ struct acpi_hest_aer_common {
u8 enabled; u8 enabled;
u32 records_to_preallocate; u32 records_to_preallocate;
u32 max_sections_per_record; u32 max_sections_per_record;
u32 bus; u32 bus; /* Bus and Segment numbers */
u16 device; u16 device;
u16 function; u16 function;
u16 device_control; u16 device_control;
...@@ -473,6 +473,14 @@ struct acpi_hest_aer_common { ...@@ -473,6 +473,14 @@ struct acpi_hest_aer_common {
#define ACPI_HEST_FIRMWARE_FIRST (1) #define ACPI_HEST_FIRMWARE_FIRST (1)
#define ACPI_HEST_GLOBAL (1<<1) #define ACPI_HEST_GLOBAL (1<<1)
/*
* Macros to access the bus/segment numbers in Bus field above:
* Bus number is encoded in bits 7:0
* Segment number is encoded in bits 23:8
*/
#define ACPI_HEST_BUS(bus) ((bus) & 0xFF)
#define ACPI_HEST_SEGMENT(bus) (((bus) >> 8) & 0xFFFF)
/* Hardware Error Notification */ /* Hardware Error Notification */
struct acpi_hest_notify { struct acpi_hest_notify {
......
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