# HG changeset patch
# User Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
# Date 1337675490 -7200
# Node ID 19aaa30d7fdce2f1b56cb13399d603d955a61fb8
# Parent  56c50b3f6cc3eb1de8b86024d0e41e65345d9a79
Support getting scheduler defaults in libxc

Add scheduler specific interfaces to get scheduling defaults from the
hypervisor.

Signed-off-by: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>

diff -r 56c50b3f6cc3 -r 19aaa30d7fdc tools/libxc/xc_csched.c
--- a/tools/libxc/xc_csched.c	Tue May 22 10:14:32 2012 +0200
+++ b/tools/libxc/xc_csched.c	Tue May 22 10:31:30 2012 +0200
@@ -105,3 +105,24 @@ xc_sched_credit_params_get(
 
     return rc;
 }
+
+int
+xc_sched_credit_defaults_get(
+    xc_interface *xch,
+    uint32_t cpupool_id,
+    struct xen_domctl_sched_credit *sdom)
+{
+    int rc;
+    DECLARE_SYSCTL;
+
+    sysctl.cmd = XEN_SYSCTL_scheduler_op;
+    sysctl.u.scheduler_op.cpupool_id = cpupool_id;
+    sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT;
+    sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_getdefaults;
+
+    rc = do_sysctl(xch, &sysctl);
+    if ( rc == 0 )
+        *sdom = sysctl.u.scheduler_op.u.defaults.credit;
+
+    return rc;
+}
diff -r 56c50b3f6cc3 -r 19aaa30d7fdc tools/libxc/xc_csched2.c
--- a/tools/libxc/xc_csched2.c	Tue May 22 10:14:32 2012 +0200
+++ b/tools/libxc/xc_csched2.c	Tue May 22 10:31:30 2012 +0200
@@ -61,3 +61,24 @@ xc_sched_credit2_domain_get(
 
     return err;
 }
+
+int
+xc_sched_credit2_defaults_get(
+    xc_interface *xch,
+    uint32_t cpupool_id,
+    struct xen_domctl_sched_credit2 *sdom)
+{
+    int rc;
+    DECLARE_SYSCTL;
+
+    sysctl.cmd = XEN_SYSCTL_scheduler_op;
+    sysctl.u.scheduler_op.cpupool_id = cpupool_id;
+    sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT2;
+    sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_getdefaults;
+
+    rc = do_sysctl(xch, &sysctl);
+    if ( rc == 0 )
+        *sdom = sysctl.u.scheduler_op.u.defaults.credit2;
+
+    return rc;
+}
diff -r 56c50b3f6cc3 -r 19aaa30d7fdc tools/libxc/xc_sedf.c
--- a/tools/libxc/xc_sedf.c	Tue May 22 10:14:32 2012 +0200
+++ b/tools/libxc/xc_sedf.c	Tue May 22 10:31:30 2012 +0200
@@ -76,3 +76,24 @@ int xc_sedf_domain_get(
     *weight    = p->weight;
     return ret;
 }
+
+int
+xc_sched_sedf_defaults_get(
+    xc_interface *xch,
+    uint32_t cpupool_id,
+    struct xen_domctl_sched_sedf *sdom)
+{
+    int rc;
+    DECLARE_SYSCTL;
+
+    sysctl.cmd = XEN_SYSCTL_scheduler_op;
+    sysctl.u.scheduler_op.cpupool_id = cpupool_id;
+    sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_SEDF;
+    sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_getdefaults;
+
+    rc = do_sysctl(xch, &sysctl);
+    if ( rc == 0 )
+        *sdom = sysctl.u.scheduler_op.u.defaults.sedf;
+
+    return rc;
+}
diff -r 56c50b3f6cc3 -r 19aaa30d7fdc tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h	Tue May 22 10:14:32 2012 +0200
+++ b/tools/libxc/xenctrl.h	Tue May 22 10:31:30 2012 +0200
@@ -664,6 +664,9 @@ int xc_sedf_domain_get(xc_interface *xch
                        uint64_t* period, uint64_t *slice,
                        uint64_t *latency, uint16_t *extratime,
                        uint16_t *weight);
+int xc_sched_sedf_defaults_get(xc_interface *xch,
+                               uint32_t cpupool_id,
+                               struct xen_domctl_sched_sedf *sdom);
 
 int xc_sched_credit_domain_set(xc_interface *xch,
                                uint32_t domid,
@@ -678,12 +681,19 @@ int xc_sched_credit_params_get(xc_interf
 int xc_sched_credit_params_get(xc_interface *xch,
                               uint32_t cpupool_id,
                               struct xen_sysctl_credit_schedule *schedule);
+int xc_sched_credit_defaults_get(xc_interface *xch,
+                               uint32_t cpupool_id,
+                               struct xen_domctl_sched_credit *sdom);
+
 int xc_sched_credit2_domain_set(xc_interface *xch,
                                uint32_t domid,
                                struct xen_domctl_sched_credit2 *sdom);
 
 int xc_sched_credit2_domain_get(xc_interface *xch,
                                uint32_t domid,
+                               struct xen_domctl_sched_credit2 *sdom);
+int xc_sched_credit2_defaults_get(xc_interface *xch,
+                               uint32_t cpupool_id,
                                struct xen_domctl_sched_credit2 *sdom);
 
 int