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Re: [libvirt] [PATCH v6 1/6] conf: Add a keyboard input device type



On 2014年02月14日 17:36, Ján Tomko wrote:
On 02/14/2014 10:02 AM, Li Zhang wrote:
On 2014年02月14日 00:39, Daniel P. Berrange wrote:
On Thu, Feb 13, 2014 at 04:48:21PM +0800, Li Zhang wrote:

@@ -12422,10 +12426,12 @@ virDomainDefParseXML(xmlDocPtr xml,
            * XXX will this be true for other virt types ? */
           if ((STREQ(def->os.type, "hvm") &&
                input->bus == VIR_DOMAIN_INPUT_BUS_PS2 &&
-             input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE) ||
+             (input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE ||
+              input->type == VIR_DOMAIN_INPUT_TYPE_KBD)) ||
               (STRNEQ(def->os.type, "hvm") &&
                input->bus == VIR_DOMAIN_INPUT_BUS_XEN &&
-             input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE)) {
+             (input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE ||
+              input->type == VIR_DOMAIN_INPUT_TYPE_KBD))) {
               virDomainInputDefFree(input);
               continue;
Later on in this function there is

      /* If graphics are enabled, there's an implicit PS2 mouse */
      if (def->ngraphics > 0) {
          virDomainInputDefPtr input;

          if (VIR_ALLOC(input) < 0) {
              goto error;
          }
          if (STREQ(def->os.type, "hvm")) {
              input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
              input->bus = VIR_DOMAIN_INPUT_BUS_PS2;
          } else {
              input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
              input->bus = VIR_DOMAIN_INPUT_BUS_XEN;
          }

          if (VIR_REALLOC_N(def->inputs, def->ninputs + 1) < 0) {
              virDomainInputDefFree(input);
              goto error;
          }
          def->inputs[def->ninputs] = input;
          def->ninputs++;
      }


which needs to take care of keyboards too now.

And some more similar logic in virDomainDefFormatInternal
which needs updating
I have add the keyboard device in this function in this version [3/6].

But Jan suggested to remove it from  virDomainDefFormatInternal in v5.
Because it would make the XML unreadable by older libvirtd that didn't know
the keyboard input type.

Sorry about that,

it seems we only care about XML to be readable by older libvirt if
virDomainDefFormat* is called with the
VIR_DOMAIN_XML_MIGRATABLE flag, so we can safely format it when this flag is
not set.

I see. I will add this device when this flag is not set.  :)


Jan



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