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Date: Tue, 30 Apr 2024 13:28:42 -0000
From: "tip-bot2 for Jacob Pan" <tip-bot2@linutronix.de>
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Subject:
 [tip: x86/irq] KVM: VMX: Move posted interrupt descriptor out of VMX code
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>,
 Thomas Gleixner <tglx@linutronix.de>, Sean Christopherson <seanjc@google.com>,
 x86@kernel.org, linux-kernel@vger.kernel.org
In-Reply-To: <20240423174114.526704-2-jacob.jun.pan@linux.intel.com>
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The following commit has been merged into the x86/irq branch of tip:

Commit-ID:     699f67512f04cbaee965fad872702c06eaf440f6
Gitweb:        https://git.kernel.org/tip/699f67512f04cbaee965fad872702c06eaf440f6
Author:        Jacob Pan <jacob.jun.pan@linux.intel.com>
AuthorDate:    Tue, 23 Apr 2024 10:41:03 -07:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Tue, 30 Apr 2024 00:54:42 +02:00

KVM: VMX: Move posted interrupt descriptor out of VMX code

To prepare native usage of posted interrupts, move the PID declarations out
of VMX code such that they can be shared.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20240423174114.526704-2-jacob.jun.pan@linux.intel.com

---
 arch/x86/include/asm/posted_intr.h | 88 +++++++++++++++++++++++++++-
 arch/x86/kvm/vmx/posted_intr.h     | 93 +-----------------------------
 arch/x86/kvm/vmx/vmx.c             |  1 +-
 arch/x86/kvm/vmx/vmx.h             |  2 +-
 4 files changed, 91 insertions(+), 93 deletions(-)
 create mode 100644 arch/x86/include/asm/posted_intr.h

diff --git a/arch/x86/include/asm/posted_intr.h b/arch/x86/include/asm/posted_intr.h
new file mode 100644
index 0000000..f0324c5
--- /dev/null
+++ b/arch/x86/include/asm/posted_intr.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _X86_POSTED_INTR_H
+#define _X86_POSTED_INTR_H
+
+#define POSTED_INTR_ON  0
+#define POSTED_INTR_SN  1
+
+#define PID_TABLE_ENTRY_VALID 1
+
+/* Posted-Interrupt Descriptor */
+struct pi_desc {
+	u32 pir[8];     /* Posted interrupt requested */
+	union {
+		struct {
+				/* bit 256 - Outstanding Notification */
+			u16	on	: 1,
+				/* bit 257 - Suppress Notification */
+				sn	: 1,
+				/* bit 271:258 - Reserved */
+				rsvd_1	: 14;
+				/* bit 279:272 - Notification Vector */
+			u8	nv;
+				/* bit 287:280 - Reserved */
+			u8	rsvd_2;
+				/* bit 319:288 - Notification Destination */
+			u32	ndst;
+		};
+		u64 control;
+	};
+	u32 rsvd[6];
+} __aligned(64);
+
+static inline bool pi_test_and_set_on(struct pi_desc *pi_desc)
+{
+	return test_and_set_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
+}
+
+static inline bool pi_test_and_clear_on(struct pi_desc *pi_desc)
+{
+	return test_and_clear_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
+}
+
+static inline bool pi_test_and_clear_sn(struct pi_desc *pi_desc)
+{
+	return test_and_clear_bit(POSTED_INTR_SN, (unsigned long *)&pi_desc->control);
+}
+
+static inline bool pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
+{
+	return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
+}
+
+static inline bool pi_is_pir_empty(struct pi_desc *pi_desc)
+{
+	return bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS);
+}
+
+static inline void pi_set_sn(struct pi_desc *pi_desc)
+{
+	set_bit(POSTED_INTR_SN, (unsigned long *)&pi_desc->control);
+}
+
+static inline void pi_set_on(struct pi_desc *pi_desc)
+{
+	set_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
+}
+
+static inline void pi_clear_on(struct pi_desc *pi_desc)
+{
+	clear_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
+}
+
+static inline void pi_clear_sn(struct pi_desc *pi_desc)
+{
+	clear_bit(POSTED_INTR_SN, (unsigned long *)&pi_desc->control);
+}
+
+static inline bool pi_test_on(struct pi_desc *pi_desc)
+{
+	return test_bit(POSTED_INTR_ON, (unsigned long *)&pi_desc->control);
+}
+
+static inline bool pi_test_sn(struct pi_desc *pi_desc)
+{
+	return test_bit(POSTED_INTR_SN, (unsigned long *)&pi_desc->control);
+}
+
+#endif /* _X86_POSTED_INTR_H */
diff --git a/arch/x86/kvm/vmx/posted_intr.h b/arch/x86/kvm/vmx/posted_intr.h
index 2699207..6b2a022 100644
--- a/arch/x86/kvm/vmx/posted_intr.h
+++ b/arch/x86/kvm/vmx/posted_intr.h
@@ -1,98 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __KVM_X86_VMX_POSTED_INTR_H
 #define __KVM_X86_VMX_POSTED_INTR_H
-
-#define POSTED_INTR_ON  0
-#define POSTED_INTR_SN  1
-
-#define PID_TABLE_ENTRY_VALID 1
-
-/* Posted-Interrupt Descriptor */
-struct pi_desc {
-	u32 pir[8];     /* Posted interrupt requested */
-	union {
-		struct {
-				/* bit 256 - Outstanding Notification */
-			u16	on	: 1,
-				/* bit 257 - Suppress Notification */
-				sn	: 1,
-				/* bit 271:258 - Reserved */
-				rsvd_1	: 14;
-				/* bit 279:272 - Notification Vector */
-			u8	nv;
-				/* bit 287:280 - Reserved */
-			u8	rsvd_2;
-				/* bit 319:288 - Notification Destination */
-			u32	ndst;
-		};
-		u64 control;
-	};
-	u32 rsvd[6];
-} __aligned(64);
-
-static inline bool pi_test_and_set_on(struct pi_desc *pi_desc)
-{
-	return test_and_set_bit(POSTED_INTR_ON,
-			(unsigned long *)&pi_desc->control);
-}
-
-static inline bool pi_test_and_clear_on(struct pi_desc *pi_desc)
-{
-	return test_and_clear_bit(POSTED_INTR_ON,
-			(unsigned long *)&pi_desc->control);
-}
-
-static inline bool pi_test_and_clear_sn(struct pi_desc *pi_desc)
-{
-	return test_and_clear_bit(POSTED_INTR_SN,
-			(unsigned long *)&pi_desc->control);
-}
-
-static inline bool pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
-{
-	return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
-}
-
-static inline bool pi_is_pir_empty(struct pi_desc *pi_desc)
-{
-	return bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS);
-}
-
-static inline void pi_set_sn(struct pi_desc *pi_desc)
-{
-	set_bit(POSTED_INTR_SN,
-		(unsigned long *)&pi_desc->control);
-}
-
-static inline void pi_set_on(struct pi_desc *pi_desc)
-{
-	set_bit(POSTED_INTR_ON,
-		(unsigned long *)&pi_desc->control);
-}
-
-static inline void pi_clear_on(struct pi_desc *pi_desc)
-{
-	clear_bit(POSTED_INTR_ON,
-		(unsigned long *)&pi_desc->control);
-}
-
-static inline void pi_clear_sn(struct pi_desc *pi_desc)
-{
-	clear_bit(POSTED_INTR_SN,
-		(unsigned long *)&pi_desc->control);
-}
-
-static inline bool pi_test_on(struct pi_desc *pi_desc)
-{
-	return test_bit(POSTED_INTR_ON,
-			(unsigned long *)&pi_desc->control);
-}
-
-static inline bool pi_test_sn(struct pi_desc *pi_desc)
-{
-	return test_bit(POSTED_INTR_SN,
-			(unsigned long *)&pi_desc->control);
-}
+#include <asm/posted_intr.h>
 
 void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu);
 void vmx_vcpu_pi_put(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 22411f4..273d264 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -70,6 +70,7 @@
 #include "x86.h"
 #include "smm.h"
 #include "vmx_onhyperv.h"
+#include "posted_intr.h"
 
 MODULE_AUTHOR("Qumranet");
 MODULE_LICENSE("GPL");
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 90f9e44..7e48336 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -7,10 +7,10 @@
 #include <asm/kvm.h>
 #include <asm/intel_pt.h>
 #include <asm/perf_event.h>
+#include <asm/posted_intr.h>
 
 #include "capabilities.h"
 #include "../kvm_cache_regs.h"
-#include "posted_intr.h"
 #include "vmcs.h"
 #include "vmx_ops.h"
 #include "../cpuid.h"