From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brijesh Singh Subject: [PATCH v10 26/28] qmp: add query-sev-capabilities command Date: Wed, 28 Feb 2018 15:10:26 -0600 Message-ID: <20180228211028.83970-27-brijesh.singh@amd.com> References: <20180228211028.83970-1-brijesh.singh@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: Peter Maydell , Brijesh Singh , kvm@vger.kernel.org, "Michael S. Tsirkin" , Stefan Hajnoczi , Alexander Graf , "Edgar E. Iglesias" , Markus Armbruster , Bruce Rogers , Christian Borntraeger , Marcel Apfelbaum , Borislav Petkov , Thomas Lendacky , Eduardo Habkost , Richard Henderson , "Dr. David Alan Gilbert" , Alistair Francis , Cornelia Huck , Peter Crosthwaite , Paolo Bonzini To: qemu-devel@nongnu.org Return-path: In-Reply-To: <20180228211028.83970-1-brijesh.singh@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel2=m.gmane.org@nongnu.org Sender: "Qemu-devel" List-Id: kvm.vger.kernel.org The command can be used by libvirt to query the SEV capabilities. Cc: "Daniel P. Berrang=C3=A9" Cc: "Dr. David Alan Gilbert" Cc: Markus Armbruster Signed-off-by: Brijesh Singh --- monitor.c | 7 +++++++ qapi-schema.json | 42 ++++++++++++++++++++++++++++++++++++++++++ target/i386/monitor.c | 5 +++++ 3 files changed, 54 insertions(+) diff --git a/monitor.c b/monitor.c index d0ebd5906d9d..26d86685a9f9 100644 --- a/monitor.c +++ b/monitor.c @@ -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"); @@ -4171,6 +4172,12 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(E= rror **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 =20 #ifndef TARGET_S390X diff --git a/qapi-schema.json b/qapi-schema.json index facf2138df6b..9a50d9b8017e 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3279,3 +3279,45 @@ # ## { 'command': 'query-sev-launch-measure', 'returns': 'SevLaunchMeasureInfo'= } + +## +# @SevCapability: +# +# The struct describes capability for a Secure Encrypted Virtualization +# feature. +# +# @pdh: Platform Diffie-Hellman key +# +# @cert-chain: PDH certificate chain +# +# @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 supported on AMD +# X86 platform only. +# +# Returns: a list of 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 577d50eebaaa..1b55dd0fff88 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -737,3 +737,8 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Erro= r **errp) =20 return info; } + +SevCapability *qmp_query_sev_capabilities(Error **errp) +{ + return NULL; +} --=20 2.14.3