ARINC 653 scheduler

From: Josh Holtrop <Josh.Holtrop@dornerworks.com>
Signed-off-by: Keir Fraser <keir@xen.org>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/tools/libxc/xc_arinc653.c b/tools/libxc/xc_arinc653.c
new file mode 100644
index 0000000000..fe2ddcba53
--- /dev/null
+++ b/tools/libxc/xc_arinc653.c
@@ -0,0 +1,85 @@
+/******************************************************************************
+ * xc_arinc653.c
+ * 
+ * XC interface to the ARINC653 scheduler
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright (c) 2010 DornerWorks, Ltd. <DornerWorks.com>
+ */
+
+#include "xc_private.h"
+
+int
+xc_sched_arinc653_schedule_set(
+    xc_interface *xch,
+    struct xen_sysctl_arinc653_schedule *schedule)
+{
+    int rc;
+    DECLARE_SYSCTL;
+    DECLARE_HYPERCALL_BOUNCE(
+        schedule,
+        sizeof(*schedule),
+        XC_HYPERCALL_BUFFER_BOUNCE_IN);
+
+    if ( xc_hypercall_bounce_pre(xch, schedule) )
+        return -1;
+
+    sysctl.cmd = XEN_SYSCTL_scheduler_op;
+    sysctl.u.scheduler_op.cpupool_id = 0;
+    sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_ARINC653;
+    sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_putinfo;
+    set_xen_guest_handle(sysctl.u.scheduler_op.u.sched_arinc653.schedule,
+            schedule);
+
+    rc = do_sysctl(xch, &sysctl);
+
+    xc_hypercall_bounce_post(xch, schedule);
+
+    return rc;
+}
+
+int
+xc_sched_arinc653_schedule_get(
+    xc_interface *xch,
+    struct xen_sysctl_arinc653_schedule *schedule)
+{
+    int rc;
+    DECLARE_SYSCTL;
+    DECLARE_HYPERCALL_BOUNCE(
+        schedule,
+        sizeof(*schedule),
+        XC_HYPERCALL_BUFFER_BOUNCE_OUT);
+
+    if ( xc_hypercall_bounce_pre(xch, schedule) )
+        return -1;
+
+    sysctl.cmd = XEN_SYSCTL_scheduler_op;
+    sysctl.u.scheduler_op.cpupool_id = 0;
+    sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_ARINC653;
+    sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_getinfo;
+    set_xen_guest_handle(sysctl.u.scheduler_op.u.sched_arinc653.schedule,
+            schedule);
+
+    rc = do_sysctl(xch, &sysctl);
+
+    xc_hypercall_bounce_post(xch, schedule);
+
+    return rc;
+}