diff options
| author | Brijesh Singh <brijesh.singh@amd.com> | 2018-03-08 06:48:52 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-13 17:36:05 +0100 |
| commit | 5dd0df7e742100d1abf2d6ede42c2ad366da6dc8 (patch) | |
| tree | cc417c8d6e3955a271b68273917bd624199c7067 /target | |
| parent | c6c89c976dd654a943603396f1ea58b7a0eb3101 (diff) | |
| download | qemu-5dd0df7e742100d1abf2d6ede42c2ad366da6dc8.tar.gz | |
sev/i386: finalize the SEV guest launch flow
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>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/sev.c | 29 | ||||
| -rw-r--r-- | target/i386/trace-events | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c index 0132beaf24..dc8136c56e 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -578,6 +578,34 @@ 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(sev_state->sev_fd, 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) { @@ -656,6 +684,7 @@ sev_guest_init(const char *id) 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); return s; err: diff --git a/target/i386/trace-events b/target/i386/trace-events index ce6c71b375..6a19a69af5 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) "" |