diff mbox series

[v2,01/13] x86/irq: Move posted interrupt descriptor out of vmx code

Message ID 20240405223110.1609888-2-jacob.jun.pan@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series Coalesced Interrupt Delivery with posted MSI | expand

Commit Message

Jacob Pan April 5, 2024, 10:30 p.m. UTC 
To prepare native usage of posted interrupt, move PID declaration out of
VMX code such that they can be shared.

Signed-off-by: Jacob Pan <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

Comments

Sean Christopherson April 17, 2024, 12:34 a.m. UTC | #1 
"KVM" in the scope would be nice.

On Fri, Apr 05, 2024, Jacob Pan wrote:
> To prepare native usage of posted interrupt, move PID declaration out of
> VMX code such that they can be shared.
> 
> Signed-off-by: Jacob Pan <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

Acked-by: Sean Christopherson <seanjc@google.com>
Jacob Pan April 17, 2024, 6:33 p.m. UTC | #2 
Hi Sean,

On Tue, 16 Apr 2024 17:34:36 -0700, Sean Christopherson <seanjc@google.com>
wrote:

> "KVM" in the scope would be nice.
will change to "KVM: VMX:"

> 
> On Fri, Apr 05, 2024, Jacob Pan wrote:
> > To prepare native usage of posted interrupt, move PID declaration out of
> > VMX code such that they can be shared.
> > 
> > Signed-off-by: Jacob Pan <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  
> 
> Acked-by: Sean Christopherson <seanjc@google.com>


Thanks,

Jacob
diff mbox series

Patch

diff --git a/arch/x86/include/asm/posted_intr.h b/arch/x86/include/asm/posted_intr.h
new file mode 100644
index 000000000000..f0324c56f7af
--- /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 26992076552e..6b2a0226257e 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 c37a89eda90f..d94bb069bac9 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 65786dbe7d60..e133e8077e6d 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"