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[RFC PATCH v4 04/36] target/i386: Introduce kvm_confidential_guest_init(
From: |
Xiaoyao Li |
Subject: |
[RFC PATCH v4 04/36] target/i386: Introduce kvm_confidential_guest_init() |
Date: |
Thu, 12 May 2022 11:17:31 +0800 |
Introduce a separate function kvm_confidential_guest_init() for SEV (and
future TDX).
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/kvm/kvm.c | 11 ++++++++++-
target/i386/sev.c | 1 -
target/i386/sev.h | 2 ++
3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 3f8a9183fa9b..f657518616f1 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2426,6 +2426,15 @@ static void register_smram_listener(Notifier *n, void
*unused)
&smram_address_space, 1, "kvm-smram");
}
+static int kvm_confidential_guest_init(MachineState *ms, Error **errp)
+{
+ if (object_dynamic_cast(OBJECT(ms->cgs), TYPE_SEV_GUEST)) {
+ return sev_kvm_init(ms->cgs, errp);
+ }
+
+ return 0;
+}
+
int kvm_arch_init(MachineState *ms, KVMState *s)
{
uint64_t identity_base = 0xfffbc000;
@@ -2446,7 +2455,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
* mechanisms are supported in future (e.g. TDX), they'll need
* their own initialization either here or elsewhere.
*/
- ret = sev_kvm_init(ms->cgs, &local_err);
+ ret = kvm_confidential_guest_init(ms, &local_err);
if (ret < 0) {
error_report_err(local_err);
return ret;
diff --git a/target/i386/sev.c b/target/i386/sev.c
index 32f7dbac4efa..6089b91cc698 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -39,7 +39,6 @@
#include "hw/i386/pc.h"
#include "exec/address-spaces.h"
-#define TYPE_SEV_GUEST "sev-guest"
OBJECT_DECLARE_SIMPLE_TYPE(SevGuestState, SEV_GUEST)
diff --git a/target/i386/sev.h b/target/i386/sev.h
index 83e82aa42c41..a9c980dd4b2d 100644
--- a/target/i386/sev.h
+++ b/target/i386/sev.h
@@ -20,6 +20,8 @@
#include "exec/confidential-guest-support.h"
+#define TYPE_SEV_GUEST "sev-guest"
+
#define SEV_POLICY_NODBG 0x1
#define SEV_POLICY_NOKS 0x2
#define SEV_POLICY_ES 0x4
--
2.27.0
- [RFC PATCH v4 00/36] TDX QEMU support, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 01/36] *** HACK *** linux-headers: Update headers to pull in TDX API changes, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 02/36] i386: Introduce tdx-guest object, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 03/36] target/i386: Implement mc->kvm_type() to get VM type, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 04/36] target/i386: Introduce kvm_confidential_guest_init(),
Xiaoyao Li <=
- [RFC PATCH v4 05/36] i386/tdx: Implement tdx_kvm_init() to initialize TDX VM context, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 06/36] i386/tdx: Get tdx_capabilities via KVM_TDX_CAPABILITIES, Xiaoyao Li, 2022/05/11
- [RFC PATCH v4 07/36] i386/tdx: Introduce is_tdx_vm() helper and cache tdx_guest object, Xiaoyao Li, 2022/05/11