[Libvirt-cim] [PATCH] Add Emulator attribute so users can specify an emulator for the guest

[Kaitlin Rupert]

# HG changeset patch
# User Kaitlin Rupert <karupert at us.ibm.com>
# Date 1237310504 25200
# Node ID 6195f98ebe5ef0bb1db1bb8ca946d5449393c21c
# Parent  1aff0d0e9bf49e738827b7157c0df407b814ae7d
Add Emulator attribute so users can specify an emulator for the guest.

Signed-off-by: Kaitlin Rupert <karupert at us.ibm.com>

diff -r 1aff0d0e9bf4 -r 6195f98ebe5e schema/VSSD.mof
--- a/schema/VSSD.mof	Wed Mar 04 15:25:33 2009 -0800
+++ b/schema/VSSD.mof	Tue Mar 17 10:21:44 2009 -0700
@@ -29,6 +29,9 @@
                 "One of hd,fd,cdrom.")]
   string BootDevice;
 
+  [Description ("The emulator the guest should use during runtime.")]
+  string Emulator;
+
 };
 
 [Description (
@@ -42,6 +45,9 @@
   [Description ("The device to boot from.  One of hd,fd,cdrom.")]
   string BootDevice;
 
+  [Description ("The emulator the guest should use during runtime.")]
+  string Emulator;
+
 };
 
 [Description (
diff -r 1aff0d0e9bf4 -r 6195f98ebe5e src/Virt_VirtualSystemManagementService.c
--- a/src/Virt_VirtualSystemManagementService.c	Wed Mar 04 15:25:33 2009 -0800
+++ b/src/Virt_VirtualSystemManagementService.c	Tue Mar 17 10:21:44 2009 -0700
@@ -148,9 +148,15 @@
         return 1;
 }
 
-static bool fv_default_emulator(struct domain *domain)
+static bool fv_set_emulator(struct domain *domain,
+                            const char *emu)
 {
-        const char *emul = XEN_EMULATOR;
+        if ((domain->type == DOMAIN_XENFV) && (emu == NULL))
+                emu = XEN_EMULATOR;
+
+        /* No emulator value to set */
+        if (emu == NULL)
+                return true;
 
         cleanup_virt_device(domain->dev_emu);
 
@@ -161,7 +167,7 @@
         }
 
         domain->dev_emu->type = CIM_RES_TYPE_EMU;
-        domain->dev_emu->dev.emu.path = strdup(emul);
+        domain->dev_emu->dev.emu.path = strdup(emu);
         domain->dev_emu->id = strdup("emulator");
 
         return true;
@@ -178,8 +184,6 @@
                 domain->type = DOMAIN_KVM;
         } else if (STREQC(pfx, "Xen")) {
                 domain->type = DOMAIN_XENFV;
-                if (!fv_default_emulator(domain))
-                        return 0;
         } else {
                 CU_DEBUG("Unknown fullvirt domain type: %s", pfx);
                 return 0;
@@ -192,6 +196,17 @@
         free(domain->os_info.fv.boot);
         domain->os_info.fv.boot = strdup(val);
 
+        ret = cu_get_str_prop(inst, "Emulator", &val);
+        if (ret != CMPI_RC_OK)
+                val = NULL;
+        else if (disk_type_from_file(val) == DISK_UNKNOWN) {
+                CU_DEBUG("Emulator path does not exist: %s", val);
+                return 0;
+        }
+
+        if (!fv_set_emulator(domain, val))
+                return 0;
+
         return 1;
 }