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Re: [libvirt] [PATCH v3] bios: Add support for SGA



On 08.07.2011 22:46, Eric Blake wrote:
On 07/08/2011 07:48 AM, Michal Privoznik wrote:
This patch creates new<bios>  element which, at this time has the only

s/the only/only the/

attribute useserial='yes|no'. This attribute allow users to use
Serial Graphics Adapter and see BIOS messages from the very first moment
domain boots up. Therefore, users can choose boot medium, set PXE, etc.
---
diff to v2:
-move from<serial>  to<bios>
-include Eric's and Dan's suggestions

diff to v1:
-move from<video>  to<serial>  as Dan suggested:
https://www.redhat.com/archives/libvir-list/2011-July/msg00134.html

  docs/formatdomain.html.in                     |    9 ++++++
  docs/schemas/domain.rng                       |   14 +++++++++
  src/conf/domain_conf.c                        |   27 ++++++++++++++++-
  src/conf/domain_conf.h                        |   13 ++++++++
  src/qemu/qemu_capabilities.c                  |    3 ++
  src/qemu/qemu_capabilities.h                  |    1 +
  src/qemu/qemu_command.c                       |   20 +++++++++++++
  tests/qemuxml2argvdata/qemuxml2argv-bios.args |    6 ++++
  tests/qemuxml2argvdata/qemuxml2argv-bios.xml  |   39 +++++++++++++++++++++++++
  tests/qemuxml2argvtest.c                      |    1 +
  10 files changed, 131 insertions(+), 2 deletions(-)
  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-bios.args
  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-bios.xml

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 10d87a9..9cc0bca 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -86,6 +86,7 @@
      &lt;boot dev='cdrom'/&gt;
      &lt;bootmenu enable='yes'/&gt;
      &lt;smbios mode='sysinfo'/&gt;
+&lt;bios useserial='yes'/&gt;
    &lt;/os&gt;
    ...</pre>

@@ -137,6 +138,14 @@
        specified, the hypervisor default is used.<span class="since">
        Since 0.8.7</span>
        </dd>
+<dt><code>bios</code></dt>
+<dd>This element has attribute<code>useserial</code>  with possible
+        values<code>yes</code>  or<code>no</code>. It enables or disables
+        Serial Graphics Adapter which allows users to see BIOS messages
+        on a serial port. Therefore, one need to have

s/need to have/needs to have a/

+<a href="#elementCharSerial">serial port</a>  defined.
+<span class="since">Since 0.9.4</span>
+</dd>
      </dl>


+++ b/src/conf/domain_conf.h
@@ -923,6 +923,18 @@ enum virDomainLifecycleCrashAction {
      VIR_DOMAIN_LIFECYCLE_CRASH_LAST
  };

+enum virDomainBIOSUseserial {
+    VIR_DOMAIN_BIOS_USESERIAL_DEFAULT = 0,
+    VIR_DOMAIN_BIOS_USESERIAL_YES,
+    VIR_DOMAIN_BIOS_USESERIAL_NO
+};
+
+typedef struct _virDomainBIOSDef virDomainBIOSDef;
+typedef virDomainBIOSDef *virDomainBIOSDefPtr;
+struct _virDomainBIOSDef {
+    int useserial;
+};
+
  /* Operating system configuration data&  machine / arch */
  typedef struct _virDomainOSDef virDomainOSDef;
  typedef virDomainOSDef *virDomainOSDefPtr;
@@ -942,6 +954,7 @@ struct _virDomainOSDef {
      char *bootloader;
      char *bootloaderArgs;
      int smbios_mode;
+    virDomainBIOSDef bios;

I'm wondering if we could just have done 'int bios_serial' here, instead
of creating the intermediate type _virDomainBIOSDef.  I guess if we ever
add more attributes or subelements to<bios>, then the struct will be
nice, but until then it seems a bit heavyweight.  But what you have is
not wrong, so no change necessary.

ACK.


Thanks pushed.

Michal


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