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Message-ID: <20241211-add-cpu-type-v5-5-2ae010f50370@linux.intel.com>
Date: Wed, 11 Dec 2024 22:57:47 -0800
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc: daniel.sneddon@...ux.intel.com, tony.luck@...el.com,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	Brice Goglin <brice.goglin@...il.com>,
	Mario Limonciello <mario.limonciello@....com>,
	Perry Yuan <Perry.Yuan@....com>,
	Dapeng Mi <dapeng1.mi@...ux.intel.com>
Subject: [PATCH v5 5/9] x86/cpu: Name CPU matching macro more generically
 (and shorten)

To add cpu-type to the existing CPU matching infrastructure, the base macro
X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE need to append _CPU_TYPE. This
makes an already long name longer, and somewhat incomprehensible.

To avoid this, rename the base macro to X86_MATCH_CPU. The macro name
doesn't need to explicitly tell everything that it matches. The arguments
to the macro already hints that.

For consistency, use this base macro to define X86_MATCH_VFM and friends.

Acked-by: Dave Hansen <dave.hansen@...ux.intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
---
 arch/x86/include/asm/cpu_device_id.h | 100 ++++++++++-------------------------
 1 file changed, 29 insertions(+), 71 deletions(-)

diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h
index e4121d9aa9e1..dee45332b682 100644
--- a/arch/x86/include/asm/cpu_device_id.h
+++ b/arch/x86/include/asm/cpu_device_id.h
@@ -58,7 +58,7 @@
 
 #define X86_STEPPINGS(mins, maxs)    GENMASK(maxs, mins)
 /**
- * X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE - Base macro for CPU matching
+ * X86_MATCH_CPU -  Base macro for CPU matching
  * @_vendor:	The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY
  *		The name is expanded to X86_VENDOR_@...ndor
  * @_family:	The family number or X86_FAMILY_ANY
@@ -75,19 +75,7 @@
  * into another macro at the usage site for good reasons, then please
  * start this local macro with X86_MATCH to allow easy grepping.
  */
-#define X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \
-						    _steppings, _feature, _data) { \
-	.vendor		= X86_VENDOR_##_vendor,				\
-	.family		= _family,					\
-	.model		= _model,					\
-	.steppings	= _steppings,					\
-	.feature	= _feature,					\
-	.flags		= X86_CPU_ID_FLAG_ENTRY_VALID,			\
-	.driver_data	= (unsigned long) _data				\
-}
-
-#define X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \
-						    _steppings, _feature, _data) { \
+#define X86_MATCH_CPU(_vendor, _family, _model, _steppings, _feature, _data) { \
 	.vendor		= _vendor,					\
 	.family		= _family,					\
 	.model		= _model,					\
@@ -107,13 +95,10 @@
  * @_data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * The steppings arguments of X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE() is
- * set to wildcards.
  */
-#define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, feature, data) \
-	X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(vendor, family, model, \
-						X86_STEPPING_ANY, feature, data)
+#define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, feature, data)	\
+	X86_MATCH_CPU(X86_VENDOR_##vendor, family, model, X86_STEPPING_ANY,		\
+		      feature, data)
 
 /**
  * X86_MATCH_VENDOR_FAM_FEATURE - Macro for matching vendor, family and CPU feature
@@ -124,13 +109,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are
- * set to wildcards.
  */
-#define X86_MATCH_VENDOR_FAM_FEATURE(vendor, family, feature, data)	\
-	X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family,		\
-					   X86_MODEL_ANY, feature, data)
+#define X86_MATCH_VENDOR_FAM_FEATURE(vendor, family, feature, data)		\
+	X86_MATCH_CPU(X86_VENDOR_##vendor, family, X86_MODEL_ANY,		\
+		      X86_STEPPING_ANY, feature, data)
 
 /**
  * X86_MATCH_VENDOR_FEATURE - Macro for matching vendor and CPU feature
@@ -140,12 +122,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are
- * set to wildcards.
  */
-#define X86_MATCH_VENDOR_FEATURE(vendor, feature, data)			\
-	X86_MATCH_VENDOR_FAM_FEATURE(vendor, X86_FAMILY_ANY, feature, data)
+#define X86_MATCH_VENDOR_FEATURE(vendor, feature, data)				\
+	X86_MATCH_CPU(X86_VENDOR_##vendor, X86_FAMILY_ANY, X86_MODEL_ANY,	\
+		      X86_STEPPING_ANY, feature, data)
 
 /**
  * X86_MATCH_FEATURE - Macro for matching a CPU feature
@@ -153,12 +133,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are
- * set to wildcards.
  */
-#define X86_MATCH_FEATURE(feature, data)				\
-	X86_MATCH_VENDOR_FEATURE(ANY, feature, data)
+#define X86_MATCH_FEATURE(feature, data)					\
+	X86_MATCH_CPU(X86_VENDOR_ANY, X86_FAMILY_ANY, X86_MODEL_ANY,		\
+		      X86_STEPPING_ANY, feature, data)
 
 /**
  * X86_MATCH_VENDOR_FAM_MODEL - Match vendor, family and model
@@ -169,13 +147,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are
- * set to wildcards.
  */
-#define X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, data)		\
-	X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model,	\
-					   X86_FEATURE_ANY, data)
+#define X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, data)			\
+	X86_MATCH_CPU(X86_VENDOR_##vendor, family, model, X86_STEPPING_ANY,	\
+		      X86_FEATURE_ANY, data)
 
 /**
  * X86_MATCH_VENDOR_FAM - Match vendor and family
@@ -185,12 +160,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is casted to unsigned long internally.
- *
- * All other missing arguments to X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are
- * set of wildcards.
  */
-#define X86_MATCH_VENDOR_FAM(vendor, family, data)			\
-	X86_MATCH_VENDOR_FAM_MODEL(vendor, family, X86_MODEL_ANY, data)
+#define X86_MATCH_VENDOR_FAM(vendor, family, data)				\
+	X86_MATCH_CPU(X86_VENDOR_##vendor, family, X86_MODEL_ANY,		\
+		      X86_STEPPING_ANY, X86_FEATURE_ANY, data)
 
 /**
  * X86_MATCH_VFM - Match encoded vendor/family/model
@@ -198,15 +171,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is cast to unsigned long internally.
- *
- * Stepping and feature are set to wildcards
  */
-#define X86_MATCH_VFM(vfm, data)			\
-	X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(	\
-		VFM_VENDOR(vfm),			\
-		VFM_FAMILY(vfm),			\
-		VFM_MODEL(vfm),				\
-		X86_STEPPING_ANY, X86_FEATURE_ANY, data)
+#define X86_MATCH_VFM(vfm, data)						\
+	X86_MATCH_CPU(VFM_VENDOR(vfm), VFM_FAMILY(vfm),	VFM_MODEL(vfm),		\
+		      X86_STEPPING_ANY, X86_FEATURE_ANY, data)
 
 /**
  * X86_MATCH_VFM_STEPPINGS - Match encoded vendor/family/model/stepping
@@ -215,15 +183,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is cast to unsigned long internally.
- *
- * feature is set to wildcard
  */
-#define X86_MATCH_VFM_STEPPINGS(vfm, steppings, data)	\
-	X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(	\
-		VFM_VENDOR(vfm),			\
-		VFM_FAMILY(vfm),			\
-		VFM_MODEL(vfm),				\
-		steppings, X86_FEATURE_ANY, data)
+#define X86_MATCH_VFM_STEPPINGS(vfm, steppings, data)				\
+	X86_MATCH_CPU(VFM_VENDOR(vfm), VFM_FAMILY(vfm), VFM_MODEL(vfm),		\
+		      steppings, X86_FEATURE_ANY, data)
 
 /**
  * X86_MATCH_VFM_FEATURE - Match encoded vendor/family/model/feature
@@ -232,15 +195,10 @@
  * @data:	Driver specific data or NULL. The internal storage
  *		format is unsigned long. The supplied value, pointer
  *		etc. is cast to unsigned long internally.
- *
- * Steppings is set to wildcard
  */
-#define X86_MATCH_VFM_FEATURE(vfm, feature, data)	\
-	X86_MATCH_VENDORID_FAM_MODEL_STEPPINGS_FEATURE(	\
-		VFM_VENDOR(vfm),			\
-		VFM_FAMILY(vfm),			\
-		VFM_MODEL(vfm),				\
-		X86_STEPPING_ANY, feature, data)
+#define X86_MATCH_VFM_FEATURE(vfm, feature, data)				\
+	X86_MATCH_CPU(VFM_VENDOR(vfm), VFM_FAMILY(vfm), VFM_MODEL(vfm),		\
+		      X86_STEPPING_ANY, feature, data)
 
 /*
  * Match specific microcode revisions.

-- 
2.34.1

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