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[Qemu-devel] [PULL 27/27] docs/interop/firmware.json: Prefer -machine to


From: Markus Armbruster
Subject: [Qemu-devel] [PULL 27/27] docs/interop/firmware.json: Prefer -machine to if=pflash
Date: Mon, 11 Mar 2019 23:08:43 +0100

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 <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Laszlo Ersek <address@hidden>
---
 docs/interop/firmware.json | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json
index 28f9bc1591..ff8c2ce5f2 100644
--- a/docs/interop/firmware.json
+++ b/docs/interop/firmware.json
@@ -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,address@hidden@filename,address@hidden@format".
+#              definitions. The preferred corresponding QEMU command
+#              line options are
+#                  -drive 
if=none,id=pflash0,readonly=on,address@hidden@filename,address@hidden@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,address@hidden@filename,address@hidden@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,address@hidden@format".
+#                  definition. The preferred corresponding QEMU
+#                  command line options are
+#                      -drive 
if=none,id=pflash1,readonly=off,file=FILENAME_OF_PRIVATE_NVRAM_FILE,address@hidden@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,address@hidden@format
 #
 # Since: 3.0
 ##
-- 
2.17.2




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