[Xen-devel] [PATCH 1/5] Don't pass virDomainObjPtr to libxlBuildDomainConfig

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

To make it easier to unit test, change libxlBuildDomainConfig
so that it takes 'virDomainDefPtr' and 'libxl_ctx *' objects
as separate parameters.

Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
 src/libxl/libxl_conf.c   | 19 +++++++++----------
 src/libxl/libxl_conf.h   |  4 +++-
 src/libxl/libxl_domain.c |  3 ++-
 3 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index b7fed7f..a98e27a 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -567,10 +567,10 @@ libxlMakeChrdevStr(virDomainChrDefPtr def, char **buf)
 }
 
 static int
-libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
+libxlMakeDomBuildInfo(virDomainDefPtr def,
+                      libxl_ctx *ctx,
+                      libxl_domain_config *d_config)
 {
-    virDomainDefPtr def = vm->def;
-    libxlDomainObjPrivatePtr priv = vm->privateData;
     libxl_domain_build_info *b_info = &d_config->b_info;
     int hvm = STREQ(def->os.type, "hvm");
     size_t i;
@@ -583,7 +583,7 @@ libxlMakeDomBuildInfo(virDomainObjPtr vm, 
libxl_domain_config *d_config)
         libxl_domain_build_info_init_type(b_info, LIBXL_DOMAIN_TYPE_PV);
 
     b_info->max_vcpus = def->maxvcpus;
-    if (libxl_cpu_bitmap_alloc(priv->ctx, &b_info->avail_vcpus, def->maxvcpus))
+    if (libxl_cpu_bitmap_alloc(ctx, &b_info->avail_vcpus, def->maxvcpus))
         goto error;
     libxl_bitmap_set_none(&b_info->avail_vcpus);
     for (i = 0; i < def->vcpus; i++)
@@ -1306,17 +1306,16 @@ libxlMakeCapabilities(libxl_ctx *ctx)
 
 int
 libxlBuildDomainConfig(libxlDriverPrivatePtr driver,
-                       virDomainObjPtr vm, libxl_domain_config *d_config)
+                       virDomainDefPtr def,
+                       libxl_ctx *ctx,
+                       libxl_domain_config *d_config)
 {
-    virDomainDefPtr def = vm->def;
-    libxlDomainObjPrivatePtr priv = vm->privateData;
-
     libxl_domain_config_init(d_config);
 
-    if (libxlMakeDomCreateInfo(priv->ctx, def, &d_config->c_info) < 0)
+    if (libxlMakeDomCreateInfo(ctx, def, &d_config->c_info) < 0)
         return -1;
 
-    if (libxlMakeDomBuildInfo(vm, d_config) < 0)
+    if (libxlMakeDomBuildInfo(def, ctx, d_config) < 0)
         return -1;
 
     if (libxlMakeDiskList(def, d_config) < 0)
diff --git a/src/libxl/libxl_conf.h b/src/libxl/libxl_conf.h
index 24e1720..1dd9de3 100644
--- a/src/libxl/libxl_conf.h
+++ b/src/libxl/libxl_conf.h
@@ -160,7 +160,9 @@ libxlMakePCI(virDomainHostdevDefPtr hostdev, 
libxl_device_pci *pcidev);
 
 int
 libxlBuildDomainConfig(libxlDriverPrivatePtr driver,
-                       virDomainObjPtr vm, libxl_domain_config *d_config);
+                       virDomainDefPtr def,
+                       libxl_ctx *ctx,
+                       libxl_domain_config *d_config);
 
 static inline void
 libxlDriverLock(libxlDriverPrivatePtr driver)
diff --git a/src/libxl/libxl_domain.c b/src/libxl/libxl_domain.c
index 80d5280..f95f8ce 100644
--- a/src/libxl/libxl_domain.c
+++ b/src/libxl/libxl_domain.c
@@ -1151,7 +1151,8 @@ libxlDomainStart(libxlDriverPrivatePtr driver, 
virDomainObjPtr vm,
 
     libxl_domain_config_init(&d_config);
 
-    if (libxlBuildDomainConfig(driver, vm, &d_config) < 0)
+    if (libxlBuildDomainConfig(driver, vm->def,
+                               priv->ctx, &d_config) < 0)
         goto endjob;
 
     if (cfg->autoballoon && libxlDomainFreeMem(priv, &d_config) < 0) {
-- 
1.9.3


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