While this is only a start (IOCTL_PRIVCMD_MMAP* and IOCTL_PRIVCMD_DM_OP
require more work), it at least allows some simple operations (like
"xl dmesg") which have always been available on XenoLinux to work again
with a 64-bit kernel underneath a 32-bit distro.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
Acked-by: Juergen Gross <jgr...@suse.com>
---
Resend due to prior omission of file system related addressees.
---
fs/compat_ioctl.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--- 4.18/fs/compat_ioctl.c
+++ 4.18-xen-privcmd-compat-ioctls/fs/compat_ioctl.c
@@ -115,6 +115,12 @@
#include <asm/fbio.h>
#endif
+#ifdef CONFIG_XEN
+#include <xen/interface/xen.h>
+#include <xen/evtchn.h>
+#include <xen/privcmd.h>
+#endif
+
#define convert_in_user(srcptr, dstptr) \
({ \
typeof(*srcptr) val; \
@@ -1300,6 +1306,17 @@ IGNORE_IOCTL(FBIOGETCMAP32)
IGNORE_IOCTL(FBIOSCURSOR32)
IGNORE_IOCTL(FBIOGCURSOR32)
#endif
+
+#ifdef CONFIG_XEN
+COMPATIBLE_IOCTL(IOCTL_PRIVCMD_HYPERCALL)
+COMPATIBLE_IOCTL(IOCTL_PRIVCMD_RESTRICT)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_VIRQ)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_INTERDOMAIN)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_BIND_UNBOUND_PORT)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_UNBIND)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_NOTIFY)
+COMPATIBLE_IOCTL(IOCTL_EVTCHN_RESET)
+#endif
};
/*
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