Re: [libvirt PATCH 00/10] Cleanup and test more firmware handling scenarios

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On 2/15/22 19:54, Daniel P. Berrangé wrote:
> There are a mind bending number of possible ways to configure the
> firmware with/without NVRAM. Only a small portion are tested and
> many error scenarios are silently ignored.
> 
> This series attempts to get coverage of every possible XML config
> scenario and report explicit errors in all invalid configs.
> 
> There is an open question on patch 4.  Essentially the use of NVRAM
> combined with writable executable feels like an accidental feature
> in libvirt that hasn't really been thought through. I'd like to
> better define expectations here but there are several possible
> strategies and I'm undecided which is best.
> 
> Daniel P. Berrangé (10):
>   qemu: fix bad indentation for qemuDomainNVRAMPathFormat
>   tests: add explicit test case for pflash loader lacking path
>   tests: add test case for NVRAM with template
>   conf: validate NVRAM template usage with R/W loader binary
>   tests: don't permit NVRAM path when using firmware auto-select
>   qemu: inline code for filling in per-VM NVRAM path
>   conf: rename struct field for NVRAM template
>   conf: switch nvram parsing to use XML node / property helpers
>   conf: move nvram parsing into virDomainLoaderDefParseXML
>   conf: stop ignoring <loader>/<nvram> with firmware auto-select
> 
>  src/conf/domain_conf.c                        | 121 +++++++++++-------
>  src/conf/domain_conf.h                        |   2 +-
>  src/qemu/qemu_domain.c                        |  18 +--
>  src/qemu/qemu_domain.h                        |   8 +-
>  src/qemu/qemu_firmware.c                      |  13 +-
>  src/qemu/qemu_process.c                       |   4 +-
>  tests/qemuxml2argvdata/bios-nvram-no-path.err |   1 +
>  tests/qemuxml2argvdata/bios-nvram-no-path.xml |  19 +++
>  ...-nvram-rw-template-vars.x86_64-latest.args |  41 ++++++
>  .../bios-nvram-rw-template-vars.xml           |  36 ++++++
>  .../bios-nvram-rw-template.err                |   1 +
>  .../bios-nvram-rw-template.xml                |  36 ++++++
>  .../bios-nvram-rw-vars.x86_64-latest.args     |  41 ++++++
>  tests/qemuxml2argvdata/bios-nvram-rw-vars.xml |  36 ++++++
>  .../bios-nvram-template.x86_64-latest.args    |  37 ++++++
>  .../qemuxml2argvdata/bios-nvram-template.xml  |  21 +++
>  tests/qemuxml2argvdata/os-firmware-bios.xml   |   1 -
>  .../os-firmware-efi-bad-loader-path.err       |   1 +
>  .../os-firmware-efi-bad-loader-path.xml       |  67 ++++++++++
>  .../os-firmware-efi-bad-loader-type.err       |   1 +
>  .../os-firmware-efi-bad-loader-type.xml       |  67 ++++++++++
>  .../os-firmware-efi-bad-nvram-path.err        |   1 +
>  .../os-firmware-efi-bad-nvram-path.xml        |  68 ++++++++++
>  .../os-firmware-efi-bad-nvram-template.err    |   1 +
>  .../os-firmware-efi-bad-nvram-template.xml    |  68 ++++++++++
>  .../os-firmware-efi-secboot.xml               |   1 -
>  tests/qemuxml2argvdata/os-firmware-efi.xml    |   1 -
>  tests/qemuxml2argvtest.c                      |   9 ++
>  .../os-firmware-bios.x86_64-latest.xml        |   1 -
>  .../os-firmware-efi-secboot.x86_64-latest.xml |   1 -
>  .../os-firmware-efi.x86_64-latest.xml         |   1 -
>  31 files changed, 647 insertions(+), 77 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-no-path.err
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-no-path.xml
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-template-vars.x86_64-latest.args
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-template-vars.xml
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-template.err
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-template.xml
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-vars.x86_64-latest.args
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-rw-vars.xml
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-template.x86_64-latest.args
>  create mode 100644 tests/qemuxml2argvdata/bios-nvram-template.xml
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-loader-path.err
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-loader-path.xml
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-loader-type.err
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-loader-type.xml
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-nvram-path.err
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-nvram-path.xml
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-nvram-template.err
>  create mode 100644 tests/qemuxml2argvdata/os-firmware-efi-bad-nvram-template.xml
> 

Reviewed-by: Michal Privoznik <mprivozn@xxxxxxxxxx>

Michal




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