[Xen-devel] [V1 PATCH 5/5] PVH xen tools: misc changes

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

  - Introduce PVH guest type for gdbsx so it can be used to
    debug a PVH guest.
  - xl man page change.

Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
---
 docs/man/xl.cfg.pod.5             |    3 +++
 tools/debugger/gdbsx/xg/xg_main.c |    4 +++-
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/docs/man/xl.cfg.pod.5 b/docs/man/xl.cfg.pod.5
index 08d6cc4..4c925c9 100644
--- a/docs/man/xl.cfg.pod.5
+++ b/docs/man/xl.cfg.pod.5
@@ -634,6 +634,9 @@ if your particular guest kernel does not require this 
behaviour then
 it is safe to allow this to be enabled but you may wish to disable it
 anyway.
 
+=item B<pvh=BOOLEAN>
+Selects whether to run this guest in an HVM container. Default is 0.
+
 =back
 
 =head2 Fully-virtualised (HVM) Guest Specific Options
diff --git a/tools/debugger/gdbsx/xg/xg_main.c 
b/tools/debugger/gdbsx/xg/xg_main.c
index 64c7484..5736b86 100644
--- a/tools/debugger/gdbsx/xg/xg_main.c
+++ b/tools/debugger/gdbsx/xg/xg_main.c
@@ -81,6 +81,7 @@ int xgtrc_on = 0;
 struct xen_domctl domctl;         /* just use a global domctl */
 
 static int     _hvm_guest;        /* hvm guest? 32bit HVMs have 64bit context 
*/
+static int     _pvh_guest;        /* PV guest in HVM container */
 static domid_t _dom_id;           /* guest domid */
 static int     _max_vcpu_id;      /* thus max_vcpu_id+1 VCPUs */
 static int     _dom0_fd;          /* fd of /dev/privcmd */
@@ -309,6 +310,7 @@ xg_attach(int domid, int guest_bitness)
 
     _max_vcpu_id = domctl.u.getdomaininfo.max_vcpu_id;
     _hvm_guest = (domctl.u.getdomaininfo.flags & XEN_DOMINF_hvm_guest);
+    _pvh_guest = (domctl.u.getdomaininfo.flags & XEN_DOMINF_pvh_guest);
     return _max_vcpu_id;
 }
 
@@ -369,7 +371,7 @@ _change_TF(vcpuid_t which_vcpu, int guest_bitness, int 
setit)
     int sz = sizeof(anyc);
 
     /* first try the MTF for hvm guest. otherwise do manually */
-    if (_hvm_guest) {
+    if (_hvm_guest || _pvh_guest) {
         domctl.u.debug_op.vcpu = which_vcpu;
         domctl.u.debug_op.op = setit ? XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_ON :
                                        XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_OFF;
-- 
1.7.2.3


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