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[1/3] platform/x86/intel/tpmi: Add defines to get version information

Message ID 20230925194338.966639-2-srinivas.pandruvada@linux.intel.com (mailing list archive)
State Superseded, archived
Headers show
Series TPMI feature major/minor version check | expand

Commit Message

srinivas pandruvada Sept. 25, 2023, 7:43 p.m. UTC 
Add defines to get major and minor version from a TPMI version field
value. This will avoid code duplication to convert in every feature
driver. Also add define for invalid version field.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 include/linux/intel_tpmi.h | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h
index 04d937ad4dc4..ee07393445f9 100644
--- a/include/linux/intel_tpmi.h
+++ b/include/linux/intel_tpmi.h
@@ -6,6 +6,12 @@ 
 #ifndef _INTEL_TPMI_H_
 #define _INTEL_TPMI_H_
 
+#include <linux/bitfield.h>
+
+#define TPMI_VERSION_INVALID	0xff
+#define TPMI_MINOR_VERSION(val)	FIELD_GET(GENMASK(4, 0), val)
+#define TPMI_MAJOR_VERSION(val)	FIELD_GET(GENMASK(7, 5), val)
+
 /**
  * struct intel_tpmi_plat_info - Platform information for a TPMI device instance
  * @package_id:	CPU Package id