From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60923) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evjUq-0001YV-Ph for qemu-devel@nongnu.org; Tue, 13 Mar 2018 08:57:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1evjUp-0000xr-Sl for qemu-devel@nongnu.org; Tue, 13 Mar 2018 08:57:40 -0400 Received: from mail-wr0-x242.google.com ([2a00:1450:400c:c0c::242]:46809) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1evjUp-0000xF-Li for qemu-devel@nongnu.org; Tue, 13 Mar 2018 08:57:39 -0400 Received: by mail-wr0-x242.google.com with SMTP id m12so22360093wrm.13 for ; Tue, 13 Mar 2018 05:57:39 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Tue, 13 Mar 2018 13:56:37 +0100 Message-Id: <1520945798-50640-22-git-send-email-pbonzini@redhat.com> In-Reply-To: <1520945798-50640-1-git-send-email-pbonzini@redhat.com> References: <1520945798-50640-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 21/22] sev/i386: qmp: add query-sev-capabilities command List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Brijesh Singh , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , "Dr. David Alan Gilbert" , Markus Armbruster From: Brijesh Singh The command can be used by libvirt to query the SEV capabilities. Cc: "Daniel P. Berrangé" Cc: "Dr. David Alan Gilbert" Cc: Markus Armbruster Signed-off-by: Brijesh Singh Signed-off-by: Paolo Bonzini --- monitor.c | 7 +++++++ qapi/misc.json | 42 ++++++++++++++++++++++++++++++++++++++++++ target/i386/monitor.c | 6 ++++++ tests/qmp-test.c | 1 + 4 files changed, 56 insertions(+) diff --git a/monitor.c b/monitor.c index 36ed087..3117a3e 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"); @@ -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 b8318f5..6150b9a 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 f8a0e4b..8a786fb 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 ec8c7c7..7470c6b 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; -- 1.8.3.1