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| author | Brijesh Singh <brijesh.singh@amd.com> | 2018-03-08 06:48:59 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-13 17:36:05 +0100 |
| commit | 31dd67f684c862303cf3bb18dba10567bc35e0ab (patch) | |
| tree | 7a78faa0bd01c62ca9cee04c33d4b43ed92a1c1b | |
| parent | 1b6a034f293a8928b48765a496ce95bed0cdddc4 (diff) | |
| download | qemu-31dd67f684c862303cf3bb18dba10567bc35e0ab.tar.gz | |
sev/i386: qmp: add query-sev-capabilities command
The command can be used by libvirt to query the SEV capabilities.
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | monitor.c | 7 | ||||
| -rw-r--r-- | qapi/misc.json | 42 | ||||
| -rw-r--r-- | target/i386/monitor.c | 6 | ||||
| -rw-r--r-- | tests/qmp-test.c | 1 |
4 files changed, 56 insertions, 0 deletions
@@ -985,6 +985,7 @@ static void qmp_unregister_commands_hack(void) qmp_unregister_command(&qmp_commands, "rtc-reset-reinjection"); qmp_unregister_command(&qmp_commands, "query-sev"); qmp_unregister_command(&qmp_commands, "query-sev-launch-measure"); + qmp_unregister_command(&qmp_commands, "query-sev-capabilities"); #endif #ifndef TARGET_S390X qmp_unregister_command(&qmp_commands, "dump-skeys"); @@ -4117,6 +4118,12 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp) error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-launch-measure"); return NULL; } + +SevCapability *qmp_query_sev_capabilities(Error **errp) +{ + error_setg(errp, QERR_FEATURE_DISABLED, "query-sev-capabilities"); + return NULL; +} #endif #ifndef TARGET_S390X diff --git a/qapi/misc.json b/qapi/misc.json index b8318f5d8b..6150b9a003 100644 --- a/qapi/misc.json +++ b/qapi/misc.json @@ -3322,3 +3322,45 @@ # ## { 'command': 'query-sev-launch-measure', 'returns': 'SevLaunchMeasureInfo' } + +## +# @SevCapability: +# +# The struct describes capability for a Secure Encrypted Virtualization +# feature. +# +# @pdh: Platform Diffie-Hellman key (base64 encoded) +# +# @cert-chain: PDH certificate chain (base64 encoded) +# +# @cbitpos: C-bit location in page table entry +# +# @reduced-phys-bits: Number of physical Address bit reduction when SEV is +# enabled +# +# Since: 2.12 +## +{ 'struct': 'SevCapability', + 'data': { 'pdh': 'str', + 'cert-chain': 'str', + 'cbitpos': 'int', + 'reduced-phys-bits': 'int'} } + +## +# @query-sev-capabilities: +# +# This command is used to get the SEV capabilities, and is supported on AMD +# X86 platforms only. +# +# Returns: SevCapability objects. +# +# Since: 2.12 +# +# Example: +# +# -> { "execute": "query-sev-capabilities" } +# <- { "return": { "pdh": "8CCDD8DDD", "cert-chain": "888CCCDDDEE", +# "cbitpos": 47, "reduced-phys-bits": 5}} +# +## +{ 'command': 'query-sev-capabilities', 'returns': 'SevCapability' } diff --git a/target/i386/monitor.c b/target/i386/monitor.c index f8a0e4b268..8a786fb79a 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -714,3 +714,9 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp) return info; } + +SevCapability *qmp_query_sev_capabilities(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 ec8c7c78b7..7470c6b754 100644 --- a/tests/qmp-test.c +++ b/tests/qmp-test.c @@ -208,6 +208,7 @@ static bool query_is_blacklisted(const char *cmd) "query-sev-launch-measure", /* Success depends on Host or Hypervisor SEV support */ "query-sev", + "query-sev-capabilities", NULL }; int i; |