{"id":2197225,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197225/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260217131553.313772-2-abologna@redhat.com>","date":"2026-02-17T13:15:53","name":"[v3,1/1] docs/interop/firmware: Add 'uefi-vars' member for FirmwareMappingMemory","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4cc61b3945c7681980134cfec38469dc680ee70a","submitter":{"id":66817,"url":"http://patchwork.ozlabs.org/api/1.0/people/66817/?format=json","name":"Andrea Bolognani","email":"abologna@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260217131553.313772-2-abologna@redhat.com/mbox/","series":[{"id":492426,"url":"http://patchwork.ozlabs.org/api/1.0/series/492426/?format=json","date":"2026-02-17T13:15:52","name":"docs/interop/firmware: Add 'uefi-vars' member for FirmwareMappingMemory","version":3,"mbox":"http://patchwork.ozlabs.org/series/492426/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197225/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=jJSDljr0;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1771334168;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=EcR/wmz61knddkhHpK43twBnk2G4V4N9RjpoKjlZ6EQ=;\n b=jJSDljr02jwfFgVxeCeIriJCl5JGIVc8zEEcSwsHIhHcLu5NbiN7gvvIPVtHV7iGocJl1Z\n D9ORnlu+Hhz0nTox79svUKc5AG5vds4zMJsN2l8RJVPDYXumPnpHtDndHsalQgTktHKrfT\n 2xSwxkpI9aPllH4XDRyDnMGHffauJQI=","X-MC-Unique":"CiYnRRp5Nr-Qflk7OhB2Ug-1","X-Mimecast-MFC-AGG-ID":"CiYnRRp5Nr-Qflk7OhB2Ug_1771334164","From":"Andrea Bolognani ","To":"qemu-devel@nongnu.org","Cc":"Gerd Hoffmann , Markus Armbruster ,\n Kashyap Chamarthy , =?utf-8?q?Daniel_P=2E_Berrang?=\n\t=?utf-8?q?=C3=A9?= ,\n Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-?=\n\t=?utf-8?q?Daud=C3=A9?= ","Subject":"[PATCH v3 1/1] docs/interop/firmware: Add 'uefi-vars' member for\n FirmwareMappingMemory","Date":"Tue, 17 Feb 2026 14:15:53 +0100","Message-ID":"<20260217131553.313772-2-abologna@redhat.com>","In-Reply-To":"<20260217131553.313772-1-abologna@redhat.com>","References":"<20260217131553.313772-1-abologna@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.4.1 on 10.30.177.4","Received-SPF":"pass client-ip=170.10.129.124;\n envelope-from=abologna@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.043,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"This allows describing firmwares that are loaded as ROMs but also\nsupport a UEFI variable store. This is the case for edk2 builds\nthat are set up to use the uefi-vars QEMU device, and whose\ndescriptors would advertise the 'host-uefi-vars' feature.\n\nSigned-off-by: Andrea Bolognani \nReviewed-by: Daniel P. Berrangé \nAcked-by: Markus Armbruster \n---\n docs/interop/firmware.json | 43 +++++++++++++++++++++++++++++++++++++-\n 1 file changed, 42 insertions(+), 1 deletion(-)","diff":"diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json\nindex da0362a2c0..3c71914a52 100644\n--- a/docs/interop/firmware.json\n+++ b/docs/interop/firmware.json\n@@ -369,6 +369,39 @@\n { 'struct' : 'FirmwareMappingKernel',\n 'data' : { 'filename' : 'str' } }\n \n+##\n+# @FirmwareMemoryUefiVars:\n+#\n+# Contains information needed to set up the \"uefi-vars\" device\n+# to provide UEFI variable store access to the firmware.\n+#\n+# @template: The path to the UEFI JSON variable store template\n+# compatible with the firmware. Management software instantiates\n+# an individual copy -- a specific UEFI variable store file --\n+# from @template for each new virtual machine definition created.\n+# @template itself is never mapped into virtual machines, only\n+# individual copies of it are. The file created by copying\n+# @template is used for persistently storing the non-volatile\n+# UEFI variables of a virtual machine definition. The\n+# corresponding QEMU command line options are\n+#\n+# ::\n+#\n+# -device uefi-vars-x64,jsonfile=PATH_TO_PRIVATE_FILE\n+#\n+# for x86_64 virtual machines, or\n+#\n+# ::\n+#\n+# -device uefi-vars-sysbus,jsonfile=PATH_TO_PRIVATE_FILE\n+#\n+# for other UEFI architectures (aarch64, riscv64, loongarch64).\n+#\n+# Since: 11.0\n+##\n+{ 'struct' : 'FirmwareMemoryUefiVars',\n+ 'data' : { 'template' : 'str' }}\n+\n ##\n # @FirmwareMappingMemory:\n #\n@@ -380,10 +413,18 @@\n # definitions. The corresponding QEMU command line option is\n # \"-bios @filename\".\n #\n+# @uefi-vars: Information specific to firmware builds that expect the\n+# \"uefi-vars\" device to be used to provide access to the UEFI\n+# variable store. If the mapping contains this member, the\n+# firmware descriptor must advertise both the @uefi interface\n+# from @FirmwareOSInterface and the @host-uefi-vars feature from\n+# @FirmwareFeature. (Since 11.0)\n+#\n # Since: 3.0\n ##\n { 'struct' : 'FirmwareMappingMemory',\n- 'data' : { 'filename' : 'str' } }\n+ 'data' : { 'filename' : 'str',\n+ '*uefi-vars' : 'FirmwareMemoryUefiVars' } }\n \n ##\n # @FirmwareMappingIgvm:\n","prefixes":["v3","1/1"]}