[Qemu-devel] [PATCH v3 1/2] headers: KVM Hyper-V VMBus hypercalls defines and exit

[Andrey Smetanin]

This patch brings in the necessary changes from the corresponding kernel
patchset.  It's included only for completeness; ideally these changes
should arrive via the standard kernel header pull.

Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com>
Reviewed-by: Roman Kagan <rka...@virtuozzo.com>
CC: Paolo Bonzini <pbonz...@redhat.com>
CC: Richard Henderson <r...@twiddle.net>
CC: Eduardo Habkost <ehabk...@redhat.com>
CC: "Andreas Färber" <afaer...@suse.de>
CC: Marcelo Tosatti <mtosa...@redhat.com>
CC: Roman Kagan <rka...@virtuozzo.com>
CC: Denis V. Lunev <d...@openvz.org>
CC: k...@vger.kernel.org
---
 include/standard-headers/asm-x86/hyperv.h | 4 +++-
 linux-headers/linux/kvm.h                 | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/standard-headers/asm-x86/hyperv.h 
b/include/standard-headers/asm-x86/hyperv.h
index acb119d..47b38fb 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 HVCALL_NOTIFY_LONG_SPIN_WAIT           0x0008
+#define HVCALL_POST_MESSAGE                    0x005c
+#define HVCALL_SIGNAL_EVENT                    0x005d
 
 #define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE             0x00000001
 #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT      12
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 4e20262..08e652e 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -157,6 +157,7 @@ struct kvm_s390_skeys {
 
 struct kvm_hyperv_exit {
 #define KVM_EXIT_HYPERV_SYNIC          1
+#define KVM_EXIT_HYPERV_HCALL          2
        __u32 type;
        union {
                struct {
@@ -165,6 +166,11 @@ struct kvm_hyperv_exit {
                        __u64 evt_page;
                        __u64 msg_page;
                } synic;
+               struct {
+                       __u64 input;
+                       __u64 result;
+                       __u64 params[2];
+               } hcall;
        } u;
 };
 
-- 
2.4.3