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[83.57.170.65]) by smtp.gmail.com with ESMTPSA id t202sm334698wmt.14.2020.09.08.11.27.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Sep 2020 11:27:15 -0700 (PDT) Subject: Re: [PATCH 3/5] qemu-options: document SMBIOS type 11 settings To: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , qemu-devel@nongnu.org References: <20200908165438.1008942-1-berrange@redhat.com> <20200908165438.1008942-4-berrange@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Autocrypt: addr=philmd@redhat.com; keydata= mQINBDXML8YBEADXCtUkDBKQvNsQA7sDpw6YLE/1tKHwm24A1au9Hfy/OFmkpzo+MD+dYc+7 bvnqWAeGweq2SDq8zbzFZ1gJBd6+e5v1a/UrTxvwBk51yEkadrpRbi+r2bDpTJwXc/uEtYAB GvsTZMtiQVA4kRID1KCdgLa3zztPLCj5H1VZhqZsiGvXa/nMIlhvacRXdbgllPPJ72cLUkXf z1Zu4AkEKpccZaJspmLWGSzGu6UTZ7UfVeR2Hcc2KI9oZB1qthmZ1+PZyGZ/Dy+z+zklC0xl XIpQPmnfy9+/1hj1LzJ+pe3HzEodtlVA+rdttSvA6nmHKIt8Ul6b/h1DFTmUT1lN1WbAGxmg CH1O26cz5nTrzdjoqC/b8PpZiT0kO5MKKgiu5S4PRIxW2+RA4H9nq7nztNZ1Y39bDpzwE5Sp bDHzd5owmLxMLZAINtCtQuRbSOcMjZlg4zohA9TQP9krGIk+qTR+H4CV22sWldSkVtsoTaA2 qNeSJhfHQY0TyQvFbqRsSNIe2gTDzzEQ8itsmdHHE/yzhcCVvlUzXhAT6pIN0OT+cdsTTfif MIcDboys92auTuJ7U+4jWF1+WUaJ8gDL69ThAsu7mGDBbm80P3vvUZ4fQM14NkxOnuGRrJxO qjWNJ2ZUxgyHAh5TCxMLKWZoL5hpnvx3dF3Ti9HW2dsUUWICSQARAQABtDJQaGlsaXBwZSBN YXRoaWV1LURhdWTDqSAoUGhpbCkgPHBoaWxtZEByZWRoYXQuY29tPokCVQQTAQgAPwIbDwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4AWIQSJweePYB7obIZ0lcuio/1u3q3A3gUCXsfWwAUJ KtymWgAKCRCio/1u3q3A3ircD/9Vjh3aFNJ3uF3hddeoFg1H038wZr/xi8/rX27M1Vj2j9VH 0B8Olp4KUQw/hyO6kUxqkoojmzRpmzvlpZ0cUiZJo2bQIWnvScyHxFCv33kHe+YEIqoJlaQc JfKYlbCoubz+02E2A6bFD9+BvCY0LBbEj5POwyKGiDMjHKCGuzSuDRbCn0Mz4kCa7nFMF5Jv piC+JemRdiBd6102ThqgIsyGEBXuf1sy0QIVyXgaqr9O2b/0VoXpQId7yY7OJuYYxs7kQoXI 6WzSMpmuXGkmfxOgbc/L6YbzB0JOriX0iRClxu4dEUg8Bs2pNnr6huY2Ft+qb41RzCJvvMyu gS32LfN0bTZ6Qm2A8ayMtUQgnwZDSO23OKgQWZVglGliY3ezHZ6lVwC24Vjkmq/2yBSLakZE 6DZUjZzCW1nvtRK05ebyK6tofRsx8xB8pL/kcBb9nCuh70aLR+5cmE41X4O+MVJbwfP5s/RW 9BFSL3qgXuXso/3XuWTQjJJGgKhB6xXjMmb1J4q/h5IuVV4juv1Fem9sfmyrh+Wi5V1IzKI7 RPJ3KVb937eBgSENk53P0gUorwzUcO+ASEo3Z1cBKkJSPigDbeEjVfXQMzNt0oDRzpQqH2vp apo2jHnidWt8BsckuWZpxcZ9+/9obQ55DyVQHGiTN39hkETy3Emdnz1JVHTU0Q== Message-ID: Date: Tue, 8 Sep 2020 20:27:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200908165438.1008942-4-berrange@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Received-SPF: pass client-ip=207.211.31.120; envelope-from=philmd@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/08 12:55:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 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, NICE_REPLY_A=-1.626, NUMERIC_HTTP_ADDR=1.242, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, WEIRD_PORT=0.001 autolearn=unavailable autolearn_force=no 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: Peter Maydell , Eduardo Habkost , "Michael S. Tsirkin" , Markus Armbruster , qemu-arm@nongnu.org, Igor Mammedov , Paolo Bonzini , Laszlo Ersek , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/8/20 6:54 PM, Daniel P. Berrangé wrote: > Signed-off-by: Daniel P. Berrangé Reviewed-by: Philippe Mathieu-Daudé > --- > qemu-options.hx | 41 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > > diff --git a/qemu-options.hx b/qemu-options.hx > index b0f020594e..0cd231b164 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -2296,6 +2296,8 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios, > "-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str]\n" > " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n" > " specify SMBIOS type 4 fields\n" > + "-smbios type=11[,value=str][,path=filename]\n" > + " specify SMBIOS type 11 fields\n" > "-smbios type=17[,loc_pfx=str][,bank=str][,manufacturer=str][,serial=str]\n" > " [,asset=str][,part=str][,speed=%d]\n" > " specify SMBIOS type 17 fields\n", > @@ -2319,6 +2321,45 @@ SRST > ``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str]`` > Specify SMBIOS type 4 fields > > +``-smbios type=11[,value=str][,path=filename]`` > + Specify SMBIOS type 11 fields inline > + > + This argument can be repeated multiple times, and values are added in the order they are parsed. > + Applications intending to use OEM strings data are encouraged to use their application name as > + a prefix for the value string. This facilitates passing information for multiple applications > + concurrently. > + > + The ``value=str`` syntax provides the string data inline, while the ``path=filename`` syntax > + loads data from a file on disk. Note that the file is not permitted to contain any NUL bytes. > + > + Both the ``value`` and ``path`` options can be repeated multiple times and will be added to > + the SMBIOS table in the order in which they appear. > + > + Note that on the x86 architecture, the total size of all SMBIOS tables is limited to 65535 > + bytes. Thus the OEM strings data is not suitable for passing large amounts of data into the > + guest. Instead it should be used as a indicator to inform the guest where to locate the real > + data set, for example, by specifying the serial ID of a block device. > + > + An example passing three strings is > + > + .. parsed-literal:: > + > + -smbios type=11,value=cloud-init:ds=nocloud-net;s=http://10.10.0.1:8000/,\\ > + value=anaconda:method=http://dl.fedoraproject.org/pub/fedora/linux/releases/25/x86_64/os,\\ > + path=/some/file/with/oemstringsdata.txt > + > + In the guest OS this is visible with the ``dmidecode`` command > + > + .. parsed-literal:: > + > + $ dmidecode -t 11 > + Handle 0x0E00, DMI type 11, 5 bytes > + OEM Strings > + String 1: cloud-init:ds=nocloud-net;s=http://10.10.0.1:8000/ > + String 2: anaconda:method=http://dl.fedoraproject.org/pub/fedora/linux/releases/25/x86_64/os > + String 3: myapp:some extra data > + > + > ``-smbios type=17[,loc_pfx=str][,bank=str][,manufacturer=str][,serial=str][,asset=str][,part=str][,speed=%d]`` > Specify SMBIOS type 17 fields > ERST >