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authorRusty Russell <rusty@rustcorp.com.au>2015-02-11 04:45:10 (GMT)
committerRusty Russell <rusty@rustcorp.com.au>2015-02-11 06:17:33 (GMT)
commit7313d5217e6b9817897172d6a6ff477bdc415ed6 (patch)
tree448fc79d9048af296aeb6c6fbbf5da84dc6f7046 /tools
parentd1c29465b8a52d8fc5a59aac92c6b206b69fe631 (diff)
lguest: add iomem region, where guest page faults get sent to userspace.
This lets us implement PCI. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'tools')
-rw-r--r--tools/lguest/lguest.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 485fe13..02f3539 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -548,7 +548,8 @@ static void tell_kernel(unsigned long start)
{
unsigned long args[] = { LHREQ_INITIALIZE,
(unsigned long)guest_base,
- guest_limit / getpagesize(), start };
+ guest_limit / getpagesize(), start,
+ guest_limit / getpagesize() };
verbose("Guest: %p - %p (%#lx)\n",
guest_base, guest_base + guest_limit, guest_limit);
lguest_fd = open_or_die("/dev/lguest", O_RDWR);

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