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[Qemu-devel] [PATCH v2 2/4] Add the WHPX vcpu API
From: |
Justin Terry (VM) |
Subject: |
[Qemu-devel] [PATCH v2 2/4] Add the WHPX vcpu API |
Date: |
Mon, 22 Jan 2018 13:07:47 -0800 |
Adds support for the Windows Hypervisor Platform accelerator (WHPX) stubs and
introduces the whpx.h sysemu API for managing the vcpu scheduling and
management.
Signed-off-by: Justin Terry (VM) <address@hidden>
---
accel/stubs/Makefile.objs | 9 +++++----
accel/stubs/whpx-stub.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++
include/sysemu/whpx.h | 40 +++++++++++++++++++++++++++++++++++++++
3 files changed, 93 insertions(+), 4 deletions(-)
create mode 100644 accel/stubs/whpx-stub.c
create mode 100644 include/sysemu/whpx.h
diff --git a/accel/stubs/Makefile.objs b/accel/stubs/Makefile.objs
index 779343b..3894caf 100644
--- a/accel/stubs/Makefile.objs
+++ b/accel/stubs/Makefile.objs
@@ -1,4 +1,5 @@
-obj-$(call lnot,$(CONFIG_HAX)) += hax-stub.o
-obj-$(call lnot,$(CONFIG_HVF)) += hvf-stub.o
-obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
-obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o
+obj-$(call lnot,$(CONFIG_HAX)) += hax-stub.o
+obj-$(call lnot,$(CONFIG_HVF)) += hvf-stub.o
+obj-$(call lnot,$(CONFIG_WHPX)) += whpx-stub.o
+obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
+obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o
diff --git a/accel/stubs/whpx-stub.c b/accel/stubs/whpx-stub.c
new file mode 100644
index 0000000..5fb049c
--- /dev/null
+++ b/accel/stubs/whpx-stub.c
@@ -0,0 +1,48 @@
+/*
+ * QEMU Windows Hypervisor Platform accelerator (WHPX) stub
+ *
+ * Copyright Microsoft Corp. 2017
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "sysemu/whpx.h"
+
+int whpx_init_vcpu(CPUState *cpu)
+{
+ return -1;
+}
+
+int whpx_vcpu_exec(CPUState *cpu)
+{
+ return -1;
+}
+
+void whpx_destroy_vcpu(CPUState *cpu)
+{
+}
+
+void whpx_vcpu_kick(CPUState *cpu)
+{
+}
+
+void whpx_cpu_synchronize_state(CPUState *cpu)
+{
+}
+
+void whpx_cpu_synchronize_post_reset(CPUState *cpu)
+{
+}
+
+void whpx_cpu_synchronize_post_init(CPUState *cpu)
+{
+}
+
+void whpx_cpu_synchronize_pre_loadvm(CPUState *cpu)
+{
+}
diff --git a/include/sysemu/whpx.h b/include/sysemu/whpx.h
new file mode 100644
index 0000000..89592ae
--- /dev/null
+++ b/include/sysemu/whpx.h
@@ -0,0 +1,40 @@
+/*
+ * QEMU Windows Hypervisor Platform accelerator (WHPX) support
+ *
+ * Copyright Microsoft, Corp. 2017
+ *
+ * Authors:
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_WHPX_H
+#define QEMU_WHPX_H
+
+#include "config-host.h"
+#include "qemu-common.h"
+
+int whpx_init_vcpu(CPUState *cpu);
+int whpx_vcpu_exec(CPUState *cpu);
+void whpx_destroy_vcpu(CPUState *cpu);
+void whpx_vcpu_kick(CPUState *cpu);
+
+
+void whpx_cpu_synchronize_state(CPUState *cpu);
+void whpx_cpu_synchronize_post_reset(CPUState *cpu);
+void whpx_cpu_synchronize_post_init(CPUState *cpu);
+void whpx_cpu_synchronize_pre_loadvm(CPUState *cpu);
+
+#ifdef CONFIG_WHPX
+
+int whpx_enabled(void);
+
+#else /* CONFIG_WHPX */
+
+#define whpx_enabled() (0)
+
+#endif /* CONFIG_WHPX */
+
+#endif /* QEMU_WHPX_H */
--
2.7.4
- [Qemu-devel] [PATCH v2 0/4] Updates based on feedback., Justin Terry (VM), 2018/01/22
- [Qemu-devel] [PATCH v2 1/4] Add the Windows Hypervisor Platform accelerator., Justin Terry (VM), 2018/01/22
- [Qemu-devel] [PATCH v2 2/4] Add the WHPX vcpu API,
Justin Terry (VM) <=
- [Qemu-devel] [PATCH v2 3/4] Introduce the WHPX impl, Justin Terry (VM), 2018/01/22
- [Qemu-devel] [PATCH v2 4/4] Add the WHPX acceleration enlightenments, Justin Terry (VM), 2018/01/22
- Re: [Qemu-devel] [PATCH v2 0/4] Updates based on feedback., Eduardo Habkost, 2018/01/23
- Re: [Qemu-devel] [PATCH v2 0/4] Updates based on feedback., Stefan Hajnoczi, 2018/01/25
- Re: [Qemu-devel] [PATCH v2 0/4] Updates based on feedback., Justin Terry (VM), 2018/01/29