[kvmtool,v5,19/18] kvmtool: Allow backends to run checks on the KVM device fd
diff mbox series

Message ID 20180917104144.19188-20-suzuki.poulose@arm.com
State Superseded
Headers show
  • kvm: arm64: Dynamic IPA and 52bit IPA
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Commit Message

Suzuki Kuruppassery Poulose Sept. 17, 2018, 10:41 a.m. UTC
Allow architectures to perform initialisation based on the
KVM device fd ioctls, even before the VM is created.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
 include/kvm/kvm.h | 4 ++++
 kvm.c             | 2 ++
 2 files changed, 6 insertions(+)

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diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 1edacfd..dc3f0dd 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -135,6 +135,10 @@  int kvm__get_sock_by_instance(const char *name);
 int kvm__enumerate_instances(int (*callback)(const char *name, int pid));
 void kvm__remove_socket(const char *name);
+#ifndef kvm__arch_init_hyp
+static inline void kvm__arch_init_hyp(struct kvm *kvm) {}
 void kvm__arch_set_cmdline(char *cmdline, bool video);
 void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size);
 void kvm__arch_delete_ram(struct kvm *kvm);
diff --git a/kvm.c b/kvm.c
index 7de825a..0894778 100644
--- a/kvm.c
+++ b/kvm.c
@@ -373,6 +373,8 @@  int kvm__init(struct kvm *kvm)
 		goto err_sys_fd;
+	kvm__arch_init_hyp(kvm);
 	kvm->vm_fd = ioctl(kvm->sys_fd, KVM_CREATE_VM, KVM_VM_TYPE);
 	if (kvm->vm_fd < 0) {
 		pr_err("KVM_CREATE_VM ioctl");