From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56168) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1elGBk-0003fI-6h for qemu-devel@nongnu.org; Mon, 12 Feb 2018 10:38:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1elGBg-0004QW-Vr for qemu-devel@nongnu.org; Mon, 12 Feb 2018 10:38:40 -0500 Received: from mail-by2nam01on0058.outbound.protection.outlook.com ([104.47.34.58]:2064 helo=NAM01-BY2-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1elGBg-0004OV-OE for qemu-devel@nongnu.org; Mon, 12 Feb 2018 10:38:36 -0500 From: Brijesh Singh Date: Mon, 12 Feb 2018 09:37:06 -0600 Message-Id: <20180212153715.87555-20-brijesh.singh@amd.com> In-Reply-To: <20180212153715.87555-1-brijesh.singh@amd.com> References: <20180212153715.87555-1-brijesh.singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v8 19/28] sev/i386: finalize the SEV guest launch flow List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alistair Francis , Christian Borntraeger , Cornelia Huck , "Daniel P . Berrange" , "Dr. David Alan Gilbert" , "Michael S. Tsirkin" , "Edgar E. Iglesias" , Eduardo Habkost , Eric Blake , kvm@vger.kernel.org, Marcel Apfelbaum , Markus Armbruster , Paolo Bonzini , Peter Crosthwaite , Peter Maydell , Richard Henderson , Stefan Hajnoczi , Thomas Lendacky , Borislav Petkov , Alexander Graf , Bruce Rogers , Brijesh Singh , Richard Henderson SEV launch flow requires us to issue LAUNCH_FINISH command before guest is ready to run. Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Signed-off-by: Brijesh Singh --- target/i386/sev.c | 29 +++++++++++++++++++++++++++++ target/i386/trace-events | 1 + 2 files changed, 30 insertions(+) diff --git a/target/i386/sev.c b/target/i386/sev.c index c7a966f2356e..eda64df4cfa5 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -548,6 +548,34 @@ static Notifier sev_machine_done_notify = { .notify = sev_launch_get_measure, }; +static void +sev_launch_finish(SEVState *s) +{ + int ret, error; + + trace_kvm_sev_launch_finish(); + ret = sev_ioctl(KVM_SEV_LAUNCH_FINISH, 0, &error); + if (ret) { + error_report("%s: LAUNCH_FINISH ret=%d fw_error=%d '%s'", + __func__, ret, error, fw_error_to_str(error)); + exit(1); + } + + sev_set_guest_state(SEV_STATE_RUNNING); +} + +static void +sev_vm_state_change(void *opaque, int running, RunState state) +{ + SEVState *s = opaque; + + if (running) { + if (!sev_check_state(SEV_STATE_RUNNING)) { + sev_launch_finish(s); + } + } +} + void * sev_guest_init(const char *id) { @@ -601,6 +629,7 @@ sev_guest_init(const char *id) sev_active = true; ram_block_notifier_add(&sev_ram_notifier); qemu_add_machine_init_done_notifier(&sev_machine_done_notify); + qemu_add_vm_change_state_handler(sev_vm_state_change, s); sev_state = s; diff --git a/target/i386/trace-events b/target/i386/trace-events index f7a1a1e6b85c..b1fbde6e40fe 100644 --- a/target/i386/trace-events +++ b/target/i386/trace-events @@ -14,3 +14,4 @@ kvm_sev_change_state(const char *old, const char *new) "%s -> %s" kvm_sev_launch_start(int policy, void *session, void *pdh) "policy 0x%x session %p pdh %p" kvm_sev_launch_update_data(void *addr, uint64_t len) "addr %p len 0x%" PRIu64 kvm_sev_launch_measurement(const char *value) "data %s" +kvm_sev_launch_finish(void) "" -- 2.14.3