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Tsirkin" , Marcel Apfelbaum , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Marcelo Tosatti , Laszlo Ersek , Gerd Hoffmann , Eric Blake Subject: [RFC PATCH v3 04/36] target/i386: Introduce kvm_confidential_guest_init() Date: Thu, 17 Mar 2022 21:58:41 +0800 Message-Id: <20220317135913.2166202-5-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220317135913.2166202-1-xiaoyao.li@intel.com> References: <20220317135913.2166202-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.151; envelope-from=xiaoyao.li@intel.com; helo=mga17.intel.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: isaku.yamahata@intel.com, kvm@vger.kernel.org, Connor Kuehl , seanjc@google.com, xiaoyao.li@intel.com, qemu-devel@nongnu.org, erdemaktas@google.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1647525833179100001 Content-Type: text/plain; charset="utf-8" Introduce a separate function kvm_confidential_guest_init() for SEV (and future TDX). Signed-off-by: Xiaoyao Li --- 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 89d5eb58cb3e..70454355f3bf 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -2356,6 +2356,15 @@ static void register_smram_listener(Notifier *n, voi= d *unused) &smram_address_space, 1, "kvm-smram"); } =20 +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 =3D 0xfffbc000; @@ -2376,7 +2385,7 @@ 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 =3D sev_kvm_init(ms->cgs, &local_err); + ret =3D 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 025ff7a6f845..912f5cdfb91d 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" =20 -#define TYPE_SEV_GUEST "sev-guest" OBJECT_DECLARE_SIMPLE_TYPE(SevGuestState, SEV_GUEST) =20 =20 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 @@ =20 #include "exec/confidential-guest-support.h" =20 +#define TYPE_SEV_GUEST "sev-guest" + #define SEV_POLICY_NODBG 0x1 #define SEV_POLICY_NOKS 0x2 #define SEV_POLICY_ES 0x4 --=20 2.27.0