File valgrind.xen-3.1-handle-IOCTL_GNTDEV_MAP_GRANT_... of Package valgrind

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File valgrind.xen-3.1-handle-IOCTL_GNTDEV_MAP_GRANT_REF.patch of Package valgrind (Revision 63898b5517e36ba2f97608fa5e4d7649)

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From: Olaf Hering <olaf@aepfle.de>
Date: Fri, 16 Nov 2018 17:20:58 +0100
Subject: xen-3.1: handle IOCTL_GNTDEV_MAP_GRANT_REF

bz#390553
---
 coregrind/m_syswrap/syswrap-linux.c | 15 +++++++++++++++
 include/vki/vki-linux.h             | 16 ++++++++++++++++
 2 files changed, 31 insertions(+)

--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -8260,6 +8260,15 @@ PRE(sys_ioctl)
    case VKI_XEN_IOCTL_EVTCHN_RESET:
       /* No input*/
       break;
+   case VKI_XEN_IOCTL_GNTDEV_MAP_GRANT_REF: {
+      struct vki_xen_ioctl_gntdev_map_grant_ref *args =
+         (struct vki_xen_ioctl_gntdev_map_grant_ref*)(Addr)(ARG3);
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTDEV_map_grant_ref(count)",
+                  (Addr)&args->count, sizeof(args->count));
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTDEV_map_grant_ref(refs)",
+                  (Addr)args->refs, sizeof(*(args->refs)) * args->count);
+      }
+      break;
 #endif
 
    /* Lustre */
@@ -10735,6 +10744,12 @@ POST(sys_ioctl)
    case VKI_XEN_IOCTL_EVTCHN_RESET:
       /* No output */
       break;
+   case VKI_XEN_IOCTL_GNTDEV_MAP_GRANT_REF: {
+       struct vki_xen_ioctl_gntdev_map_grant_ref *args =
+            (struct vki_xen_ioctl_gntdev_map_grant_ref*)(Addr)(ARG3);
+       POST_FIELD_WRITE(args->index);
+      }
+      break;
 #endif
 
    /* Lustre */
--- a/include/vki/vki-linux.h
+++ b/include/vki/vki-linux.h
@@ -3428,6 +3428,22 @@ struct vki_xen_ioctl_evtchn_notify {
 #define VKI_XEN_IOCTL_EVTCHN_RESET				\
 	_VKI_IOC(_VKI_IOC_NONE, 'E', 5, 0)
 
+//----------------------------------------------------------------------
+// Xen gnttdev IOCTL
+//----------------------------------------------------------------------
+
+#define VKI_XEN_IOCTL_GNTDEV_MAP_GRANT_REF			\
+   _VKI_IOC(_VKI_IOC_NONE, 'G', 0, sizeof(struct vki_xen_ioctl_gntdev_map_grant_ref))
+struct vki_xen_ioctl_gntdev_grant_ref {
+   vki_u32 domid;
+   vki_u32 ref;
+};
+struct vki_xen_ioctl_gntdev_map_grant_ref {
+   vki_u32 count;
+   vki_u32 pad;
+   __vki_u64 index;
+   struct vki_xen_ioctl_gntdev_grant_ref refs[1];
+};
 
 //----------------------------------------------------------------------
 // From linux-3.4.0/include/linux/fs.h

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File valgrind.xen-3.1-handle-IOCTL_GNTDEV_MAP_GRANT_REF.patch of Package valgrind (Revision 63898b5517e36ba2f97608fa5e4d7649)

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