Re: [v11][PATCH 09/16] tools: extend xc_assign_device() to support rdm reservation policy

[Ian Jackson <Ian.Jackson@eu.citrix.com>]

Tiejun Chen writes ("[v11][PATCH 09/16] tools: extend xc_assign_device() to support rdm reservation policy"):
> This patch passes rdm reservation policy to xc_assign_device() so the policy
> is checked when assigning devices to a VM.

Wei, as you know, I am double-checking the acks on this series.

You acked v4.  But v11 is slightly different.  Your ack was retained
and my subject line search did not turn up any authority for that.

The v* message by the submitter says:

> v5:
> 
> * Fix the flag field as "0" to DT device

Below is the diff between
  * staging (bc299d01) + Jan's v12 + v11 02.. + the relevant patch from v4
  * staging (bc299d01) + Jan's v12 + v11 02.. + the relevant patch from v8

Please ack/nack.

Thanks,
Ian.

diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c
index 1dfadb0..69e6d8f 100644
--- a/tools/libxc/xc_domain.c
+++ b/tools/libxc/xc_domain.c
@@ -1794,8 +1794,11 @@ int xc_assign_dt_device(
 
     domctl.u.assign_device.dev = XEN_DOMCTL_DEV_DT;
     domctl.u.assign_device.u.dt.size = size;
-    /* DT doesn't own any RDM. */
-    domctl.u.assign_device.flag = XEN_DOMCTL_DEV_NO_RDM;
+    /*
+     * DT doesn't own any RDM so actually DT has nothing to do
+     * for any flag and here just fix that as 0.
+     */
+    domctl.u.assign_device.flag = 0;
     set_xen_guest_handle(domctl.u.assign_device.u.dt.path, path);
 
     rc = do_domctl(xch, &domctl);
diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c b/tools/ocaml/libs/xc/xenctrl_stubs.c
index 317bf75..b7de615 100644
--- a/tools/ocaml/libs/xc/xenctrl_stubs.c
+++ b/tools/ocaml/libs/xc/xenctrl_stubs.c
@@ -1173,9 +1173,7 @@ CAMLprim value stub_xc_domain_test_assign_device(value xch, value domid, value d
 }
 
 static int domain_assign_device_rdm_flag_table[] = {
-    XEN_DOMCTL_DEV_NO_RDM,
     XEN_DOMCTL_DEV_RDM_RELAXED,
-    XEN_DOMCTL_DEV_RDM_STRICT,
 };
 
 CAMLprim value stub_xc_domain_assign_device(value xch, value domid, value desc,
diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c
index ff4adb3..c8380d1 100644
--- a/tools/python/xen/lowlevel/xc/xc.c
+++ b/tools/python/xen/lowlevel/xc/xc.c
@@ -615,7 +615,8 @@ static int next_bdf(char **str, int *seg, int *bus, int *dev, int *func,
     }
     else
     {
-        *flag = XEN_DOMCTL_DEV_RDM_STRICT;
+        /* O means we take "strict" as our default policy. */
+        *flag = 0;
         *str = NULL;
     }