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Tsirkin" , Marcel Apfelbaum , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Marcelo Tosatti , Laszlo Ersek , Gerd Hoffmann , Eric Blake Subject: [RFC PATCH v3 24/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Thu, 17 Mar 2022 21:59:01 +0800 Message-Id: <20220317135913.2166202-25-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 Received-SPF: pass client-ip=192.55.52.136; envelope-from=xiaoyao.li@intel.com; helo=mga12.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_PASS=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" TDX vcpu needs to be initialized by SEAMCALL(TDH.VP.INIT) and KVM provides vcpu level IOCTL KVM_TDX_INIT_VCPU for it. KVM_TDX_INIT_VCPU needs the address of the HOB as input. Invoke it for each vcpu after HOB list is created. Signed-off-by: Xiaoyao Li --- target/i386/kvm/tdx.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index f7a18f07a4df..f06a0895b77a 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -212,6 +212,22 @@ static void tdx_init_ram_entries(void) tdx_guest->nr_ram_entries = j; } +static void tdx_post_init_vcpu(void) +{ + TdxFirmwareEntry *hob; + CPUState *cpu; + int r; + + hob = tdx_get_hob_entry(tdx_guest); + CPU_FOREACH(cpu) { + r = tdx_vcpu_ioctl(cpu, KVM_TDX_INIT_VCPU, 0, (void *)hob->address); + if (r < 0) { + error_report("KVM_TDX_INIT_VCPU failed %s", strerror(-r)); + exit(1); + } + } +} + static void tdx_finalize_vm(Notifier *notifier, void *unused) { MachineState *ms = MACHINE(qdev_get_machine()); @@ -251,6 +267,8 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused) qsort(tdx_guest->ram_entries, tdx_guest->nr_ram_entries, sizeof(TdxRamEntry), &tdx_ram_entry_compare); tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest)); + + tdx_post_init_vcpu(); } static Notifier tdx_machine_done_notify = {