[PATCH kvmtool v2 5/6] kvm: Add arch specific reset

[Julien Thierry <julien.thierry@arm.com>]

Add a callback that allows to set arch specific default values when
creating fresh VM.

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
---
 arm/kvm.c         | 4 ++++
 include/kvm/kvm.h | 1 +
 kvm.c             | 2 ++
 mips/kvm.c        | 4 ++++
 powerpc/kvm.c     | 4 ++++
 x86/kvm.c         | 4 ++++
 6 files changed, 19 insertions(+)

diff --git a/arm/kvm.c b/arm/kvm.c
index d3f8f5d..50faab5 100644
--- a/arm/kvm.c
+++ b/arm/kvm.c
@@ -57,6 +57,10 @@ void kvm__arch_set_cmdline(char *cmdline, bool video)
 {
 }
 
+void kvm__arch_reset(struct kvm *kvm)
+{
+}
+
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size)
 {
 	/*
diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 1edacfd..eeeb10c 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -136,6 +136,7 @@ int kvm__enumerate_instances(int (*callback)(const char *name, int pid));
 void kvm__remove_socket(const char *name);
 
 void kvm__arch_set_cmdline(char *cmdline, bool video);
+void kvm__arch_reset(struct kvm *kvm);
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size);
 void kvm__arch_delete_ram(struct kvm *kvm);
 int kvm__arch_setup_firmware(struct kvm *kvm);
diff --git a/kvm.c b/kvm.c
index d5249a0..052c6e8 100644
--- a/kvm.c
+++ b/kvm.c
@@ -160,6 +160,8 @@ struct kvm *kvm__new(void)
 	kvm->sys_fd = -1;
 	kvm->vm_fd = -1;
 
+	kvm__arch_reset(kvm);
+
 	return kvm;
 }
 
diff --git a/mips/kvm.c b/mips/kvm.c
index 211770d..3f6fd20 100644
--- a/mips/kvm.c
+++ b/mips/kvm.c
@@ -56,6 +56,10 @@ void kvm__arch_set_cmdline(char *cmdline, bool video)
 
 }
 
+void kvm__arch_reset(struct kvm *kvm)
+{
+}
+
 /* Architecture-specific KVM init */
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size)
 {
diff --git a/powerpc/kvm.c b/powerpc/kvm.c
index 702d67d..5bb721b 100644
--- a/powerpc/kvm.c
+++ b/powerpc/kvm.c
@@ -87,6 +87,10 @@ void kvm__arch_set_cmdline(char *cmdline, bool video)
 	/* We don't need anything unusual in here. */
 }
 
+void kvm__arch_reset(struct kvm *kvm)
+{
+}
+
 /* Architecture-specific KVM init */
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size)
 {
diff --git a/x86/kvm.c b/x86/kvm.c
index 3e0f0b7..e017d36 100644
--- a/x86/kvm.c
+++ b/x86/kvm.c
@@ -129,6 +129,10 @@ void kvm__arch_set_cmdline(char *cmdline, bool video)
 		strcat(cmdline, " earlyprintk=serial i8042.noaux=1");
 }
 
+void kvm__arch_reset(struct kvm *kvm)
+{
+}
+
 /* Architecture-specific KVM init */
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size)
 {
-- 
1.9.1