[Qemu-devel] [Bug 1826200] [NEW] RFE: populate "OEM Strings" (type 11) SMBIOS table strings from regular files

[Laszlo Ersek \(Red Hat\)]

Public bug reported:

The feature added in

https://git.qemu.org/?p=qemu.git;a=commitdiff;h=2d6dcbf93fb01b4a7f45a93d276d4d74b16392dd

and exposed by libvirt as

  https://libvirt.org/formatdomain.html#elementsSysinfo

allows the user to specify up to 255 strings in the unofmatted area of
the Type 11 SMBIOS table, where each string may be of arbitrary length.
This feature is useful for exposing arbitrary text to arbitrary guest
components (in particular when strings are prefixed with "application
identifiers").

Right now, strings can only be specified on the QEMU command line, which
limits the amount of data that can be passed. Please enable users to
pass data from regular files too.

For example:

  $QEMU -smbios type=11,value=Hello,txtfile=file1.txt,txtfile=file2.txt

where "file1.txt" and "file2.txt" could be text files containing ASCII
application prefixes, followed by base64-encoded binary data.

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: feature-request

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https://bugs.launchpad.net/bugs/1826200

Title:
  RFE: populate "OEM Strings" (type 11) SMBIOS table strings from
  regular files

Status in QEMU:
  New

Bug description:
  The feature added in

  
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=2d6dcbf93fb01b4a7f45a93d276d4d74b16392dd

  and exposed by libvirt as

    https://libvirt.org/formatdomain.html#elementsSysinfo

  allows the user to specify up to 255 strings in the unofmatted area of
  the Type 11 SMBIOS table, where each string may be of arbitrary
  length. This feature is useful for exposing arbitrary text to
  arbitrary guest components (in particular when strings are prefixed
  with "application identifiers").

  Right now, strings can only be specified on the QEMU command line,
  which limits the amount of data that can be passed. Please enable
  users to pass data from regular files too.

  For example:

    $QEMU -smbios
  type=11,value=Hello,txtfile=file1.txt,txtfile=file2.txt

  where "file1.txt" and "file2.txt" could be text files containing ASCII
  application prefixes, followed by base64-encoded binary data.

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