Message ID | 20180215153955.3253-20-brijesh.singh@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0CA16602CB for <patchwork-qemu-devel@patchwork.kernel.org>; Thu, 15 Feb 2018 16:01:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F17B92890E for <patchwork-qemu-devel@patchwork.kernel.org>; Thu, 15 Feb 2018 16:01:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E58F0290B4; Thu, 15 Feb 2018 16:01:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAD_ENC_HEADER,BAYES_00, DKIM_SIGNED, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 33BFB2890E for <patchwork-qemu-devel@patchwork.kernel.org>; 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diff --git a/target/i386/sev.c b/target/i386/sev.c index 401b2a33d7cc..305ef65191c9 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -567,6 +567,34 @@ 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) { @@ -635,6 +663,7 @@ 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) ""
SEV launch flow requires us to issue LAUNCH_FINISH command before guest is ready to run. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> --- target/i386/sev.c | 29 +++++++++++++++++++++++++++++ target/i386/trace-events | 1 + 2 files changed, 30 insertions(+)