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[88.21.202.17]) by smtp.gmail.com with ESMTPSA id q144sm581286wme.0.2020.05.19.11.20.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 May 2020 11:20:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589912443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AXKHm9sEGpzJKmFxobEwS5Bkzi/fbuyVBY253GTU/xE=; b=crVINwPcV+drVuE0Iqgz6jyK9qNwtce7pr+0DMxnhzXCiVzPvdYzf8lmMqsrDdPv4dPeLU e3CGsMOJQVyHZzrOwDJAOhxACDnIyK23K4NnXRZXcGiInuqeiJi+4SBdJ1sHGrwWXElEKu Z+gD0KfTf0uRLa+iDd0n+S07npVkOiw= X-MC-Unique: Lqm4HskPM9mGERR6Qd2JZA-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=AXKHm9sEGpzJKmFxobEwS5Bkzi/fbuyVBY253GTU/xE=; b=XAGAwkchuVtCkDV6b6UgpkgysmEnkmqkgoJogEN0UCqjiDJwcG9Il/dNnv2wiRcuNl akYA6kv1KVUcbDCWN1E3YbJNjVWVN8DJU1FKHDHEBn1AmvQpGHYwO71O6cCxdcBPUW2U F/G8343Jq5lo1kSaXAqF1kFjdmVUQVMDwWHMPCq8ok1fDCIZxhOBI4HCWAR/3OU4k1je 8lplgaEGcfZC5KW0DJgUB30QhjmlnqAgI1MyFVv4bcmJzwLdRXPj8MFQQVUI0chEf4JX E1QsLsLMjmWNjJTG7Wkn8mrlvGU0dZplrcad82B5VBil9XoT0vQFxsh4sfUzi6ekdVum AHrg== X-Gm-Message-State: AOAM533KxWWZhwgmjEVlirhaB6Qsm456BeEBUXGqnEM8WmwoMcINYcvz ExdLh0NGPRdf5XFMW8LpO2BfZVpTjRT3kqimzwTNGCiFqheltPZki8D9BpTMH9p2R65+DXWRAGM lBuThOhVkEAQbRK8= X-Received: by 2002:a5d:6087:: with SMTP id w7mr226338wrt.158.1589912439530; Tue, 19 May 2020 11:20:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwk4B8l3Ki5y6mp56jyDKGFOGMBcO9XVVp+fzi7K9ZMNWIFEf8jSQ1K1qE5TDyWsWVL9ba51g== X-Received: by 2002:a5d:6087:: with SMTP id w7mr226320wrt.158.1589912439375; Tue, 19 May 2020 11:20:39 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v6 2/5] softmmu/vl: Let -fw_cfg option take a 'blob_id' argument Date: Tue, 19 May 2020 20:20:21 +0200 Message-Id: <20200519182024.14638-3-philmd@redhat.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200519182024.14638-1-philmd@redhat.com> References: <20200519182024.14638-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8"; text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.120; envelope-from=philmd@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 23:56:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] 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=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Laszlo Ersek , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The 'blob_id' argument refers to a QOM object able to produce data consumable by the fw_cfg device. The producer object must implement the FW_CFG_DATA_GENERATOR interface. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- softmmu/vl.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/softmmu/vl.c b/softmmu/vl.c index ae5451bc23..f76c53ad2e 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -489,6 +489,10 @@ static QemuOptsList qemu_fw_cfg_opts =3D { .name =3D "string", .type =3D QEMU_OPT_STRING, .help =3D "Sets content of the blob to be inserted from a stri= ng", + }, { + .name =3D "blob_id", + .type =3D QEMU_OPT_STRING, + .help =3D "Sets id of the object generating fw_cfg blob to be = used", }, { /* end of list */ } }, @@ -2020,7 +2024,7 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts,= Error **errp) { gchar *buf; size_t size; - const char *name, *file, *str; + const char *name, *file, *str, *blob_id; FWCfgState *fw_cfg =3D (FWCfgState *) opaque; =20 if (fw_cfg =3D=3D NULL) { @@ -2030,14 +2034,17 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opt= s, Error **errp) name =3D qemu_opt_get(opts, "name"); file =3D qemu_opt_get(opts, "file"); str =3D qemu_opt_get(opts, "string"); + blob_id =3D qemu_opt_get(opts, "blob_id"); =20 /* we need name and either a file or the content string */ - if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))= ) { + if (!(nonempty_str(name) + && (nonempty_str(file) || nonempty_str(str) || nonempty_str(blob= _id))) + ) { error_setg(errp, "invalid argument(s)"); return -1; } - if (nonempty_str(file) && nonempty_str(str)) { - error_setg(errp, "file and string are mutually exclusive"); + if (nonempty_str(file) && nonempty_str(str) && nonempty_str(blob_id)) { + error_setg(errp, "file, string and blob_id are mutually exclusive"= ); return -1; } if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { @@ -2052,6 +2059,8 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts,= Error **errp) if (nonempty_str(str)) { size =3D strlen(str); /* NUL terminator NOT included in fw_cfg blo= b */ buf =3D g_memdup(str, size); + } else if (nonempty_str(blob_id)) { + return fw_cfg_add_from_generator(fw_cfg, name, blob_id, errp); } else { GError *err =3D NULL; if (!g_file_get_contents(file, &buf, &size, &err)) { --=20 2.21.3