[Xen-devel] [PATCH v4 6/7] tools, libxl: add helpers to establish if guest is auto-translated

[Arianna Avanzini <avanzini.arianna@xxxxxxxxx>]

This commit adds, for each architecture supported by libxl, a helper
function which establishes if a domain uses an auto-translated
physmap from the libxl_domain_config structure related to it.

Signed-off-by: Arianna Avanzini <avanzini.arianna@xxxxxxxxx>
Cc: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Cc: Paolo Valente <paolo.valente@xxxxxxxxxx>
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxxxxx>
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Cc: Jan Beulich <JBeulich@xxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Cc: Eric Trudeau <etrudeau@xxxxxxxxxxxx>
Cc: Viktor Kleinik <viktor.kleinik@xxxxxxxxxxxxxxx>
---
 tools/libxl/libxl_arch.h | 2 ++
 tools/libxl/libxl_arm.c  | 5 +++++
 tools/libxl/libxl_x86.c  | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/tools/libxl/libxl_arch.h b/tools/libxl/libxl_arch.h
index aee0a91..963d98b 100644
--- a/tools/libxl/libxl_arch.h
+++ b/tools/libxl/libxl_arch.h
@@ -22,4 +22,6 @@ int libxl__arch_domain_create(libxl__gc *gc, 
libxl_domain_config *d_config,
 int libxl__arch_domain_configure(libxl__gc *gc,
                                  libxl_domain_build_info *info,
                                  struct xc_dom_image *dom);
+
+int libxl__arch_auto_translated_physmap(libxl_domain_config *d_config);
 #endif
diff --git a/tools/libxl/libxl_arm.c b/tools/libxl/libxl_arm.c
index 0a1c8c5..9f81088 100644
--- a/tools/libxl/libxl_arm.c
+++ b/tools/libxl/libxl_arm.c
@@ -11,6 +11,11 @@ int libxl__arch_domain_create(libxl__gc *gc, 
libxl_domain_config *d_config,
     return 0;
 }
 
+int libxl__arch_auto_translated_physmap(libxl_domain_config *d_config)
+{
+    return 1;
+}
+
 static struct arch_info {
     const char *guest_type;
     const char *timer_compat;
diff --git a/tools/libxl/libxl_x86.c b/tools/libxl/libxl_x86.c
index b11d036..c6f9c68 100644
--- a/tools/libxl/libxl_x86.c
+++ b/tools/libxl/libxl_x86.c
@@ -317,3 +317,9 @@ int libxl__arch_domain_configure(libxl__gc *gc,
 {
     return 0;
 }
+
+int libxl__arch_auto_translated_physmap(libxl_domain_config *d_config)
+{
+    return (d_config->b_info.type == LIBXL_DOMAIN_TYPE_HVM ||
+            libxl_defbool_val(d_config->c_info.pvh));
+}
-- 
1.9.0


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