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

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File valgrind.xen-4.2-handle-IOCTL_GNTALLOC_ALLOC_GREF.patch of Package valgrind (Revision 255f7eac47e361feb25d6bc73c32fc28)

Currently displaying revision 255f7eac47e361feb25d6bc73c32fc28 , Show latest

From: Olaf Hering <olaf@aepfle.de>
Date: Fri, 16 Nov 2018 17:21:02 +0100
Subject: xen-4.2: handle IOCTL_GNTALLOC_ALLOC_GREF

bz#390553
---
 coregrind/m_syswrap/syswrap-linux.c | 20 ++++++++++++++++++++
 include/vki/vki-linux.h             | 10 ++++++++++
 2 files changed, 30 insertions(+)

--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -8294,6 +8294,17 @@ PRE(sys_ioctl)
                   (Addr)&args->count, sizeof(args->count));
       }
       break;
+   case VKI_XEN_IOCTL_GNTALLOC_ALLOC_GREF: {
+      struct vki_xen_ioctl_gntalloc_alloc_gref *args =
+         (struct vki_xen_ioctl_gntalloc_alloc_gref*)(Addr)(ARG3);
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTALLOC_alloc_gref(domid)",
+                  (Addr)&args->domid, sizeof(args->domid));
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTALLOC_alloc_gref(flags)",
+                  (Addr)&args->flags, sizeof(args->flags));
+      PRE_MEM_READ("VKI_XEN_IOCTL_GNTALLOC_alloc_gref(count)",
+                  (Addr)&args->count, sizeof(args->count));
+      }
+      break;
 #endif
 
    /* Lustre */
@@ -10788,6 +10799,15 @@ POST(sys_ioctl)
    case VKI_XEN_IOCTL_GNTDEV_SET_MAX_GRANTS:
       /* No output */
       break;
+   case VKI_XEN_IOCTL_GNTALLOC_ALLOC_GREF: {
+      struct vki_xen_ioctl_gntalloc_alloc_gref *args =
+         (struct vki_xen_ioctl_gntalloc_alloc_gref*)(Addr)(ARG3);
+      POST_FIELD_WRITE(args->index);
+      POST_FIELD_WRITE(args->count);
+      POST_MEM_WRITE((Addr)&args->gref_ids,
+                     sizeof(args->gref_ids) * sizeof(args->count));
+      }
+      break;
 #endif
 
    /* Lustre */
--- a/include/vki/vki-linux.h
+++ b/include/vki/vki-linux.h
@@ -3468,6 +3468,16 @@ struct vki_xen_ioctl_gntdev_set_max_grants {
    vki_u32 count;
 };
 
+#define VKI_XEN_IOCTL_GNTALLOC_ALLOC_GREF			\
+	_VKI_IOC(_VKI_IOC_NONE, 'G', 5, sizeof(struct vki_xen_ioctl_gntalloc_alloc_gref))
+struct vki_xen_ioctl_gntalloc_alloc_gref {
+   vki_u16 domid;
+   vki_u16 flags;
+   vki_u32 count;
+   __vki_u64 index;
+   vki_u32 gref_ids[1];
+};
+
 //----------------------------------------------------------------------
 // From linux-3.4.0/include/linux/fs.h
 //----------------------------------------------------------------------

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File valgrind.xen-4.2-handle-IOCTL_GNTALLOC_ALLOC_GREF.patch of Package valgrind (Revision 255f7eac47e361feb25d6bc73c32fc28)

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