File valgrind.xen-4.2-handle-IOCTL_GNTALLOC_DEALLOC_... of Package valgrind

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File valgrind.xen-4.2-handle-IOCTL_GNTALLOC_DEALLOC_GREF.patch of Package valgrind (Revision eaaa2cbb55c63e7ac59ebb647c6c5624)

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From: Olaf Hering <olaf@aepfle.de>
Date: Mon, 19 Nov 2018 10:49:49 +0100
Subject: xen-4.2: handle IOCTL_GNTALLOC_DEALLOC_GREF

bz#390553
---
 coregrind/m_syswrap/syswrap-linux.c | 12 ++++++++++++
 include/vki/vki-linux.h             |  7 +++++++
 2 files changed, 19 insertions(+)

--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -8305,6 +8305,15 @@ PRE(sys_ioctl)
                   (Addr)&args->count, sizeof(args->count));
       }
       break;
+   case VKI_XEN_IOCTL_GNTALLOC_DEALLOC_GREF: {
+      struct vki_xen_ioctl_gntalloc_dealloc_gref *args =
+         (struct vki_xen_ioctl_gntalloc_dealloc_gref*)(Addr)(ARG3);
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTALLOC_dealloc_gref(index)",
+                  (Addr)&args->index, sizeof(args->index));
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTALLOC_dealloc_gref(count)",
+                  (Addr)&args->count, sizeof(args->count));
+      }
+      break;
 #endif
 
    /* Lustre */
@@ -10808,6 +10817,9 @@ POST(sys_ioctl)
                      sizeof(args->gref_ids) * sizeof(args->count));
       }
       break;
+   case VKI_XEN_IOCTL_GNTALLOC_DEALLOC_GREF:
+      /* No output */
+      break;
 #endif
 
    /* Lustre */
--- a/include/vki/vki-linux.h
+++ b/include/vki/vki-linux.h
@@ -3478,6 +3478,13 @@ struct vki_xen_ioctl_gntalloc_alloc_gref {
    vki_u32 gref_ids[1];
 };
 
+#define VKI_XEN_IOCTL_GNTALLOC_DEALLOC_GREF			\
+	_VKI_IOC(_VKI_IOC_NONE, 'G', 6, sizeof(struct vki_xen_ioctl_gntalloc_dealloc_gref))
+struct vki_xen_ioctl_gntalloc_dealloc_gref {
+   __vki_u64 index;
+   vki_u32 count;
+};
+
 //----------------------------------------------------------------------
 // From linux-3.4.0/include/linux/fs.h
 //----------------------------------------------------------------------

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File valgrind.xen-4.2-handle-IOCTL_GNTALLOC_DEALLOC_GREF.patch of Package valgrind (Revision eaaa2cbb55c63e7ac59ebb647c6c5624)

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