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[Qemu-devel] [PATCH v7 19/26] sev: Finalize the SEV guest launch flow
From: |
Brijesh Singh |
Subject: |
[Qemu-devel] [PATCH v7 19/26] sev: Finalize the SEV guest launch flow |
Date: |
Wed, 7 Feb 2018 10:06:31 -0600 |
SEV launch flow requires us to issue LAUNCH_FINISH command before guest
is ready to run.
Cc: Paolo Bonzini <address@hidden>
Cc: address@hidden
Signed-off-by: Brijesh Singh <address@hidden>
---
accel/kvm/sev.c | 29 +++++++++++++++++++++++++++++
accel/kvm/trace-events | 1 +
2 files changed, 30 insertions(+)
diff --git a/accel/kvm/sev.c b/accel/kvm/sev.c
index 8d99c6cda4d2..e422f43caa0b 100644
--- a/accel/kvm/sev.c
+++ b/accel/kvm/sev.c
@@ -547,6 +547,34 @@ 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)
{
@@ -600,6 +628,7 @@ 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/accel/kvm/trace-events b/accel/kvm/trace-events
index 19742bf9dd30..e810d75ea1b3 100644
--- a/accel/kvm/trace-events
+++ b/accel/kvm/trace-events
@@ -21,3 +21,4 @@ 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
- [Qemu-devel] [PATCH v7 11/26] sev: register the guest memory range which may contain encrypted data, (continued)
- [Qemu-devel] [PATCH v7 11/26] sev: register the guest memory range which may contain encrypted data, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 09/26] accel: add Secure Encrypted Virtulization (SEV) object, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 10/26] sev: add command to initialize the memory encryption context, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 13/26] qmp: add query-sev command, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 14/26] hmp: add 'info sev' command, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 17/26] target/i386: encrypt bios rom, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 19/26] sev: Finalize the SEV guest launch flow,
Brijesh Singh <=
- [Qemu-devel] [PATCH v7 22/26] target/i386: clear C-bit when walking SEV guest page table, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 16/26] sev: add command to encrypt guest memory region, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 15/26] sev: add command to create launch memory encryption context, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 18/26] sev: add support to LAUNCH_MEASURE command, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 20/26] hw: i386: set ram_debug_ops when memory encryption is enabled, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 12/26] kvm: introduce memory encryption APIs, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 21/26] sev: add debug encrypt and decrypt commands, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 23/26] include: add psp-sev.h header file, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 25/26] sev: add support to KVM_SEV_GUEST_STATUS, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 26/26] qmp: add query-sev-launch-measure command, Brijesh Singh, 2018/02/07