docs/interop/firmware.json: Prefer -machine to if=pflash

The previous commit added a way to configure firmware with -blockdev
rather than -drive if=pflash.  Document it as the preferred way.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190308131445.17502-13-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Markus Armbruster 2019-03-08 14:14:45 +01:00
parent ebc29e1bea
commit e33763be7c
1 changed files with 14 additions and 6 deletions

View File

@ -212,9 +212,13 @@
#
# @executable: Identifies the firmware executable. The firmware
# executable may be shared by multiple virtual machine
# definitions. The corresponding QEMU command line option
# is "-drive
# if=pflash,unit=0,readonly=on,file=@executable.@filename,format=@executable.@format".
# definitions. The preferred corresponding QEMU command
# line options are
# -drive if=none,id=pflash0,readonly=on,file=@executable.@filename,format=@executable.@format
# -machine pflash0=pflash0
# or equivalent -blockdev instead of -drive.
# With QEMU versions older than 4.0, you have to use
# -drive if=pflash,unit=0,readonly=on,file=@executable.@filename,format=@executable.@format
#
# @nvram-template: Identifies the NVRAM template compatible with
# @executable. Management software instantiates an
@ -225,9 +229,13 @@
# individual copies of it are. An NVRAM file is
# typically used for persistently storing the
# non-volatile UEFI variables of a virtual machine
# definition. The corresponding QEMU command line
# option is "-drive
# if=pflash,unit=1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format".
# definition. The preferred corresponding QEMU
# command line options are
# -drive if=none,id=pflash1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format
# -machine pflash1=pflash1
# or equivalent -blockdev instead of -drive.
# With QEMU versions older than 4.0, you have to use
# -drive if=pflash,unit=1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,format=@nvram-template.@format
#
# Since: 3.0
##