* [PATCH v1 0/2] QEMU: Hyper-V VMBus hypercalls blank handlers
@ 2016-01-12 11:11 ` Andrey Smetanin
0 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Paolo Bonzini, Richard Henderson, Eduardo Habkost,
Andreas Färber, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, kvm
The patches adds blank handlers for Hyper-V
VMBus hypercalls routed by KVM_EXIT_HYPERV_HCALL KVM exit.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
Andrey Smetanin (2):
headers: Hyper-V VMBus hypercall codes and exit
target-i386/kvm: Hyper-V VMBus hypercalls blank handlers
include/standard-headers/asm-x86/hyperv.h | 4 +++-
linux-headers/linux/kvm.h | 7 +++++++
target-i386/hyperv.c | 14 ++++++++++++++
target-i386/hyperv.h | 2 ++
target-i386/kvm.c | 3 +++
5 files changed, 29 insertions(+), 1 deletion(-)
--
2.4.3
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Qemu-devel] [PATCH v1 0/2] QEMU: Hyper-V VMBus hypercalls blank handlers
@ 2016-01-12 11:11 ` Andrey Smetanin
0 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Eduardo Habkost, kvm, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, Paolo Bonzini, Andreas Färber,
Richard Henderson
The patches adds blank handlers for Hyper-V
VMBus hypercalls routed by KVM_EXIT_HYPERV_HCALL KVM exit.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
Andrey Smetanin (2):
headers: Hyper-V VMBus hypercall codes and exit
target-i386/kvm: Hyper-V VMBus hypercalls blank handlers
include/standard-headers/asm-x86/hyperv.h | 4 +++-
linux-headers/linux/kvm.h | 7 +++++++
target-i386/hyperv.c | 14 ++++++++++++++
target-i386/hyperv.h | 2 ++
target-i386/kvm.c | 3 +++
5 files changed, 29 insertions(+), 1 deletion(-)
--
2.4.3
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v1 1/2] headers: Hyper-V VMBus hypercall codes and exit
2016-01-12 11:11 ` [Qemu-devel] " Andrey Smetanin
@ 2016-01-12 11:11 ` Andrey Smetanin
-1 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Paolo Bonzini, Richard Henderson, Eduardo Habkost,
Andreas Färber, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, kvm
This patch just for completeness, this changes
should be received by scripts/update-linux-headers.sh
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
---
include/standard-headers/asm-x86/hyperv.h | 4 +++-
| 7 +++++++
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/include/standard-headers/asm-x86/hyperv.h b/include/standard-headers/asm-x86/hyperv.h
index acb119d..27b445e 100644
--- a/include/standard-headers/asm-x86/hyperv.h
+++ b/include/standard-headers/asm-x86/hyperv.h
@@ -226,7 +226,9 @@
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
/* Declare the various hypercall operations. */
-#define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HV_X64_HCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HV_X64_HCALL_POST_MESSAGE 0x005c
+#define HV_X64_HCALL_SIGNAL_EVENT 0x005d
#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12
--git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 4e20262..32879ba 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -199,6 +199,7 @@ struct kvm_hyperv_exit {
#define KVM_EXIT_S390_STSI 25
#define KVM_EXIT_IOAPIC_EOI 26
#define KVM_EXIT_HYPERV 27
+#define KVM_EXIT_HYPERV_HCALL 28
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -355,6 +356,12 @@ struct kvm_run {
} eoi;
/* KVM_EXIT_HYPERV */
struct kvm_hyperv_exit hyperv;
+ /* KVM_EXIT_HYPERV_HCALL */
+ struct {
+ __u64 input;
+ __u64 params[2];
+ __u64 result;
+ } hv_hcall;
/* Fix the size of the union. */
char padding[256];
};
--
2.4.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [Qemu-devel] [PATCH v1 1/2] headers: Hyper-V VMBus hypercall codes and exit
@ 2016-01-12 11:11 ` Andrey Smetanin
0 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Eduardo Habkost, kvm, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, Paolo Bonzini, Andreas Färber,
Richard Henderson
This patch just for completeness, this changes
should be received by scripts/update-linux-headers.sh
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
---
include/standard-headers/asm-x86/hyperv.h | 4 +++-
| 7 +++++++
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/include/standard-headers/asm-x86/hyperv.h b/include/standard-headers/asm-x86/hyperv.h
index acb119d..27b445e 100644
--- a/include/standard-headers/asm-x86/hyperv.h
+++ b/include/standard-headers/asm-x86/hyperv.h
@@ -226,7 +226,9 @@
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
/* Declare the various hypercall operations. */
-#define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HV_X64_HCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HV_X64_HCALL_POST_MESSAGE 0x005c
+#define HV_X64_HCALL_SIGNAL_EVENT 0x005d
#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12
--git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 4e20262..32879ba 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -199,6 +199,7 @@ struct kvm_hyperv_exit {
#define KVM_EXIT_S390_STSI 25
#define KVM_EXIT_IOAPIC_EOI 26
#define KVM_EXIT_HYPERV 27
+#define KVM_EXIT_HYPERV_HCALL 28
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -355,6 +356,12 @@ struct kvm_run {
} eoi;
/* KVM_EXIT_HYPERV */
struct kvm_hyperv_exit hyperv;
+ /* KVM_EXIT_HYPERV_HCALL */
+ struct {
+ __u64 input;
+ __u64 params[2];
+ __u64 result;
+ } hv_hcall;
/* Fix the size of the union. */
char padding[256];
};
--
2.4.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 2/2] target-i386/kvm: Hyper-V VMBus hypercalls blank handlers
2016-01-12 11:11 ` [Qemu-devel] " Andrey Smetanin
@ 2016-01-12 11:11 ` Andrey Smetanin
-1 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Paolo Bonzini, Richard Henderson, Eduardo Habkost,
Andreas Färber, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, kvm
Add Hyper-V VMBus hypercalls blank handlers which
just returns error code - HV_STATUS_INVALID_HYPERCALL_CODE.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
---
target-i386/hyperv.c | 14 ++++++++++++++
target-i386/hyperv.h | 2 ++
target-i386/kvm.c | 3 +++
3 files changed, 19 insertions(+)
diff --git a/target-i386/hyperv.c b/target-i386/hyperv.c
index e79b173..bd09506 100644
--- a/target-i386/hyperv.c
+++ b/target-i386/hyperv.c
@@ -125,3 +125,17 @@ int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route)
{
return event_notifier_set(&sint_route->sint_set_notifier);
}
+
+int kvm_hv_handle_hypercall(X86CPU *cpu, struct kvm_run *run)
+{
+ uint16_t code;
+
+ code = run->hv_hcall.input & 0xffff;
+ switch (code) {
+ case HV_X64_HCALL_POST_MESSAGE:
+ case HV_X64_HCALL_SIGNAL_EVENT:
+ default:
+ run->hv_hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE;
+ return 0;
+ }
+}
diff --git a/target-i386/hyperv.h b/target-i386/hyperv.h
index b26201f..9515b6e 100644
--- a/target-i386/hyperv.h
+++ b/target-i386/hyperv.h
@@ -39,4 +39,6 @@ void kvm_hv_sint_route_destroy(HvSintRoute *sint_route);
int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route);
+int kvm_hv_handle_hypercall(X86CPU *cpu, struct kvm_run *run);
+
#endif
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index ab65a6e..adb1d64 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -3026,6 +3026,9 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
ioapic_eoi_broadcast(run->eoi.vector);
ret = 0;
break;
+ case KVM_EXIT_HYPERV_HCALL:
+ ret = kvm_hv_handle_hypercall(cpu, run);
+ break;
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
ret = -1;
--
2.4.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [Qemu-devel] [PATCH v1 2/2] target-i386/kvm: Hyper-V VMBus hypercalls blank handlers
@ 2016-01-12 11:11 ` Andrey Smetanin
0 siblings, 0 replies; 6+ messages in thread
From: Andrey Smetanin @ 2016-01-12 11:11 UTC (permalink / raw)
To: qemu-devel
Cc: Eduardo Habkost, kvm, Marcelo Tosatti, Roman Kagan,
Denis V. Lunev, Paolo Bonzini, Andreas Färber,
Richard Henderson
Add Hyper-V VMBus hypercalls blank handlers which
just returns error code - HV_STATUS_INVALID_HYPERCALL_CODE.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
---
target-i386/hyperv.c | 14 ++++++++++++++
target-i386/hyperv.h | 2 ++
target-i386/kvm.c | 3 +++
3 files changed, 19 insertions(+)
diff --git a/target-i386/hyperv.c b/target-i386/hyperv.c
index e79b173..bd09506 100644
--- a/target-i386/hyperv.c
+++ b/target-i386/hyperv.c
@@ -125,3 +125,17 @@ int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route)
{
return event_notifier_set(&sint_route->sint_set_notifier);
}
+
+int kvm_hv_handle_hypercall(X86CPU *cpu, struct kvm_run *run)
+{
+ uint16_t code;
+
+ code = run->hv_hcall.input & 0xffff;
+ switch (code) {
+ case HV_X64_HCALL_POST_MESSAGE:
+ case HV_X64_HCALL_SIGNAL_EVENT:
+ default:
+ run->hv_hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE;
+ return 0;
+ }
+}
diff --git a/target-i386/hyperv.h b/target-i386/hyperv.h
index b26201f..9515b6e 100644
--- a/target-i386/hyperv.h
+++ b/target-i386/hyperv.h
@@ -39,4 +39,6 @@ void kvm_hv_sint_route_destroy(HvSintRoute *sint_route);
int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route);
+int kvm_hv_handle_hypercall(X86CPU *cpu, struct kvm_run *run);
+
#endif
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index ab65a6e..adb1d64 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -3026,6 +3026,9 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
ioapic_eoi_broadcast(run->eoi.vector);
ret = 0;
break;
+ case KVM_EXIT_HYPERV_HCALL:
+ ret = kvm_hv_handle_hypercall(cpu, run);
+ break;
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
ret = -1;
--
2.4.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-01-12 11:11 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2016-01-12 11:11 [PATCH v1 0/2] QEMU: Hyper-V VMBus hypercalls blank handlers Andrey Smetanin
2016-01-12 11:11 ` [Qemu-devel] " Andrey Smetanin
2016-01-12 11:11 ` [PATCH v1 1/2] headers: Hyper-V VMBus hypercall codes and exit Andrey Smetanin
2016-01-12 11:11 ` [Qemu-devel] " Andrey Smetanin
2016-01-12 11:11 ` [PATCH v1 2/2] target-i386/kvm: Hyper-V VMBus hypercalls blank handlers Andrey Smetanin
2016-01-12 11:11 ` [Qemu-devel] " Andrey Smetanin
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