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[Qemu-devel] [PULL 08/22] sev/i386: qmp: add query-sev command
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 08/22] sev/i386: qmp: add query-sev command |
Date: |
Tue, 13 Mar 2018 13:56:24 +0100 |
From: Brijesh Singh <address@hidden>
The QMP query command can used to retrieve the SEV information when
memory encryption is enabled on AMD platform.
Cc: Eric Blake <address@hidden>
Cc: "Daniel P. Berrangé" <address@hidden>
Cc: "Dr. David Alan Gilbert" <address@hidden>
Cc: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Brijesh Singh <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
monitor.c | 7 +++++
qapi/misc.json | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++
target/i386/monitor.c | 8 ++++++
tests/qmp-test.c | 2 ++
4 files changed, 94 insertions(+)
diff --git a/monitor.c b/monitor.c
index a4417f2..af11654 100644
--- a/monitor.c
+++ b/monitor.c
@@ -983,6 +983,7 @@ static void qmp_unregister_commands_hack(void)
#endif
#ifndef TARGET_I386
qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection");
+ qmp_unregister_command(&qmp_commands, "query-sev");
#endif
#ifndef TARGET_S390X
qmp_unregister_command(&qmp_commands, "dump-skeys");
@@ -4103,6 +4104,12 @@ void qmp_rtc_reset_reinjection(Error **errp)
{
error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
}
+
+SevInfo *qmp_query_sev(Error **errp)
+{
+ error_setg(errp, QERR_FEATURE_DISABLED, "query-sev");
+ return NULL;
+}
#endif
#ifndef TARGET_S390X
diff --git a/qapi/misc.json b/qapi/misc.json
index bcd5d10..7b628c2 100644
--- a/qapi/misc.json
+++ b/qapi/misc.json
@@ -3216,3 +3216,80 @@
# Since: 2.9
##
{ 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }
+
+
+##
+# @SevState:
+#
+# An enumeration of SEV state information used during @query-sev.
+#
+# @uninit: The guest is uninitialized.
+#
+# @launch-update: The guest is currently being launched; plaintext data and
+# register state is being imported.
+#
+# @launch-secret: The guest is currently being launched; ciphertext data
+# is being imported.
+#
+# @running: The guest is fully launched or migrated in.
+#
+# @send-update: The guest is currently being migrated out to another machine.
+#
+# @receive-update: The guest is currently being migrated from another machine.
+#
+# Since: 2.12
+##
+{ 'enum': 'SevState',
+ 'data': ['uninit', 'launch-update', 'launch-secret', 'running',
+ 'send-update', 'receive-update' ] }
+
+##
+# @SevInfo:
+#
+# Information about Secure Encrypted Virtualization (SEV) support
+#
+# @enabled: true if SEV is active
+#
+# @api-major: SEV API major version
+#
+# @api-minor: SEV API minor version
+#
+# @build-id: SEV FW build id
+#
+# @policy: SEV policy value
+#
+# @state: SEV guest state
+#
+# @handle: SEV firmware handle
+#
+# Since: 2.12
+##
+{ 'struct': 'SevInfo',
+ 'data': { 'enabled': 'bool',
+ 'api-major': 'uint8',
+ 'api-minor' : 'uint8',
+ 'build-id' : 'uint8',
+ 'policy' : 'uint32',
+ 'state' : 'SevState',
+ 'handle' : 'uint32'
+ }
+}
+
+##
+# @query-sev:
+#
+# Returns information about SEV
+#
+# Returns: @SevInfo
+#
+# Since: 2.12
+#
+# Example:
+#
+# -> { "execute": "query-sev" }
+# <- { "return": { "enabled": true, "api-major" : 0, "api-minor" : 0,
+# "build-id" : 0, "policy" : 0, "state" : "running",
+# "handle" : 1 } }
+#
+##
+{ 'command': 'query-sev', 'returns': 'SevInfo' }
diff --git a/target/i386/monitor.c b/target/i386/monitor.c
index 7542912..0d1556f 100644
--- a/target/i386/monitor.c
+++ b/target/i386/monitor.c
@@ -30,6 +30,8 @@
#include "hw/i386/pc.h"
#include "sysemu/kvm.h"
#include "hmp.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-misc.h"
static void print_pte(Monitor *mon, CPUArchState *env, hwaddr addr,
@@ -661,3 +663,9 @@ void hmp_info_io_apic(Monitor *mon, const QDict *qdict)
ioapic_dump_state(mon, qdict);
}
}
+
+SevInfo *qmp_query_sev(Error **errp)
+{
+ error_setg(errp, "SEV feature is not available");
+ return NULL;
+}
diff --git a/tests/qmp-test.c b/tests/qmp-test.c
index 22445d9..a77ff92 100644
--- a/tests/qmp-test.c
+++ b/tests/qmp-test.c
@@ -204,6 +204,8 @@ static bool query_is_blacklisted(const char *cmd)
"query-gic-capabilities", /* arm */
/* Success depends on target-specific build configuration: */
"query-pci", /* CONFIG_PCI */
+ /* Success depends on Host or Hypervisor SEV support */
+ "query-sev",
NULL
};
int i;
--
1.8.3.1
- [Qemu-devel] [PULL 03/22] machine: add memory-encryption option, (continued)
- [Qemu-devel] [PULL 03/22] machine: add memory-encryption option, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 02/22] KVM: x86: Add support for save/load MSR_SMI_COUNT, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 04/22] docs: add AMD Secure Encrypted Virtualization (SEV), Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 05/22] kvm: add memory encryption context, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 06/22] kvm: introduce memory encryption APIs, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 01/22] update Linux headers to 4.16-rc5, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 09/22] include: add psp-sev.h header file, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 07/22] target/i386: add Secure Encrypted Virtualization (SEV) object, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 13/22] sev/i386: add command to encrypt guest memory region, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 11/22] sev/i386: register the guest memory range which may contain encrypted data, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 08/22] sev/i386: qmp: add query-sev command,
Paolo Bonzini <=
- [Qemu-devel] [PULL 12/22] sev/i386: add command to create launch memory encryption context, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 10/22] sev/i386: add command to initialize the memory encryption context, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 14/22] target/i386: encrypt bios rom, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 15/22] sev/i386: add support to LAUNCH_MEASURE command, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 16/22] sev/i386: finalize the SEV guest launch flow, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 18/22] cpu/i386: populate CPUID 0x8000_001F when SEV is active, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 19/22] sev/i386: hmp: add 'info sev' command, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 17/22] sev/i386: add migration blocker, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 20/22] sev/i386: qmp: add query-sev-launch-measure command, Paolo Bonzini, 2018/03/13
- [Qemu-devel] [PULL 21/22] sev/i386: qmp: add query-sev-capabilities command, Paolo Bonzini, 2018/03/13