[Xen-devel] [PATCH v2 10/62] xen/domctl: Return arch_config via getdomaininfo

[Wei Liu <wei.liu2@xxxxxxxxxx>]

From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

This allows toolstack software to distinguish HVM from PVH guests.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
v2: bump domctl version number
---
 tools/libxc/include/xenctrl.h | 1 +
 tools/libxc/xc_domain.c       | 1 +
 xen/arch/x86/domctl.c         | 2 ++
 xen/include/public/domctl.h   | 3 ++-
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h
index 09e1363be2..7d7a7c5999 100644
--- a/tools/libxc/include/xenctrl.h
+++ b/tools/libxc/include/xenctrl.h
@@ -456,6 +456,7 @@ typedef struct xc_dominfo {
     unsigned int  max_vcpu_id;
     xen_domain_handle_t handle;
     unsigned int  cpupool;
+    struct xen_arch_domainconfig arch_config;
 } xc_dominfo_t;
 
 typedef xen_domctl_getdomaininfo_t xc_domaininfo_t;
diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c
index 3ccd27f101..8169284dc1 100644
--- a/tools/libxc/xc_domain.c
+++ b/tools/libxc/xc_domain.c
@@ -421,6 +421,7 @@ int xc_domain_getinfo(xc_interface *xch,
         info->nr_online_vcpus = domctl.u.getdomaininfo.nr_online_vcpus;
         info->max_vcpu_id = domctl.u.getdomaininfo.max_vcpu_id;
         info->cpupool = domctl.u.getdomaininfo.cpupool;
+        info->arch_config = domctl.u.getdomaininfo.arch_config;
 
         memcpy(info->handle, domctl.u.getdomaininfo.handle,
                sizeof(xen_domain_handle_t));
diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index 5973d9fdaa..2585d4e14b 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -348,6 +348,8 @@ void arch_get_domain_info(const struct domain *d,
 {
     if ( paging_mode_hap(d) )
         info->flags |= XEN_DOMINF_hap;
+
+    info->arch_config.emulation_flags = d->arch.emulation_flags;
 }
 
 #define MAX_IOPORTS 0x10000
diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
index 9ae7295919..a8921dd7ed 100644
--- a/xen/include/public/domctl.h
+++ b/xen/include/public/domctl.h
@@ -38,7 +38,7 @@
 #include "hvm/save.h"
 #include "memory.h"
 
-#define XEN_DOMCTL_INTERFACE_VERSION 0x0000000e
+#define XEN_DOMCTL_INTERFACE_VERSION 0x0000000f
 
 /*
  * NB. xen_domctl.domain is an IN/OUT parameter for this operation.
@@ -116,6 +116,7 @@ struct xen_domctl_getdomaininfo {
     uint32_t ssidref;
     xen_domain_handle_t handle;
     uint32_t cpupool;
+    struct xen_arch_domainconfig arch_config;
 };
 typedef struct xen_domctl_getdomaininfo xen_domctl_getdomaininfo_t;
 DEFINE_XEN_GUEST_HANDLE(xen_domctl_getdomaininfo_t);
-- 
2.11.0


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