Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Suzuki K Poulose <suzuki.poulose@arm.com>
To:     linux-arm-kernel@lists.infradead.org
Cc:     linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        kvmarm@lists.cs.columbia.edu, james.morse@arm.com,
        marc.zyngier@arm.com, cdall@kernel.org, eric.auger@redhat.com,
        julien.grall@arm.com, will.deacon@arm.com, catalin.marinas@arm.com,
        punit.agrawal@arm.com, qemu-devel@nongnu.org,
        Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: [kvmtool test PATCH 21/24] kvmtool: Allow backends to run checks on the KVM device fd
Date:   Fri, 29 Jun 2018 12:15:41 +0100
Message-Id: <1530270944-11351-22-git-send-email-suzuki.poulose@arm.com>
In-Reply-To: <1530270944-11351-1-git-send-email-suzuki.poulose@arm.com>
References: <1530270944-11351-1-git-send-email-suzuki.poulose@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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(+)

diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 90463b8..a036dd2 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -103,6 +103,10 @@ 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) {}
+#endif
+
 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 f8f2fdc..b992e74 100644
--- a/kvm.c
+++ b/kvm.c
@@ -304,6 +304,8 @@ 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");
-- 
2.7.4