[xen staging] tools/helpers: fix PVH xenstore-stubdom console parameters

[patchbot@xxxxxxx]

commit 1e8b732de1e78eb978b59390a81f9bf01c16e0aa
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Wed Dec 8 09:47:44 2021 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Dec 9 16:26:29 2021 +0000

    tools/helpers: fix PVH xenstore-stubdom console parameters
    
    When using a PVH mode xenstore-stubdom the frame number of the console
    should be a PFN instead of a MFN.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/helpers/init-xenstore-domain.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/helpers/init-xenstore-domain.c 
b/tools/helpers/init-xenstore-domain.c
index b205a79ee6..9457d0251b 100644
--- a/tools/helpers/init-xenstore-domain.c
+++ b/tools/helpers/init-xenstore-domain.c
@@ -30,7 +30,7 @@ static char *param;
 static char *name = "Xenstore";
 static int memory;
 static int maxmem;
-static xen_pfn_t console_mfn;
+static xen_pfn_t console_gfn;
 static xc_evtchn_port_or_error_t console_evtchn;
 
 static struct option options[] = {
@@ -283,7 +283,9 @@ static int build(xc_interface *xch)
     }
 
     rv = 0;
-    console_mfn = xc_dom_p2m(dom, dom->console_pfn);
+    console_gfn = (dom->container_type == XC_DOM_PV_CONTAINER)
+                  ? xc_dom_p2m(dom, dom->console_pfn)
+                  : dom->console_pfn;
 
 err:
     if ( dom )
@@ -528,7 +530,7 @@ int main(int argc, char** argv)
     do_xs_write_dir_node(xsh, fe_path, "tty", "");
     snprintf(buf, 16, "%d", console_evtchn);
     do_xs_write_dir_node(xsh, fe_path, "port", buf);
-    snprintf(buf, 16, "%ld", console_mfn);
+    snprintf(buf, 16, "%ld", console_gfn);
     do_xs_write_dir_node(xsh, fe_path, "ring-ref", buf);
     xs_close(xsh);
 
--
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