# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1181684903 21600
# Node ID a62cfa35d3b504d5ee1acd4a409a6fb3ee45a6bd
# Parent  bab3dd910801edf8763d55e0c8133bc08d1cbcfd
[IA64] Add HYPERVISOR_add_io_space

And call it to register new I/O spaces with Xen

Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>

diff -r bab3dd910801 -r a62cfa35d3b5 arch/ia64/pci/pci.c
--- a/linux-2.6-xen-sparse/arch/ia64/pci/pci.c	Tue Jun 12 15:43:27 2007 -0600
+++ b/linux-2.6-xen-sparse/arch/ia64/pci/pci.c	Tue Jun 12 15:48:23 2007 -0600
@@ -164,6 +164,11 @@ new_space (u64 phys_base, int sparse)
 	i = num_io_spaces++;
 	io_space[i].mmio_base = mmio_base;
 	io_space[i].sparse = sparse;
+
+#ifdef CONFIG_XEN
+	if (is_initial_xendomain())
+		HYPERVISOR_add_io_space(phys_base, sparse, i);
+#endif
 
 	return i;
 }
diff -r bab3dd910801 -r a62cfa35d3b5 include/asm-ia64/hypercall.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h	Tue Jun 12 15:43:27 2007 -0600
+++ b/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h	Tue Jun 12 15:48:23 2007 -0600
@@ -387,6 +387,15 @@ xencomm_arch_hypercall_perfmon_op(un
 {
 	return _hypercall4(int, ia64_dom0vp_op,
 			   IA64_DOM0VP_perfmon, cmd, arg, count);
+}
+
+static inline int
+HYPERVISOR_add_io_space(unsigned long phys_base,
+			unsigned long sparse,
+			unsigned long space_number)
+{
+	return _hypercall4(int, ia64_dom0vp_op, IA64_DOM0VP_add_io_space,
+			   phys_base, sparse, space_number);
 }
 
 // for balloon driver
diff -r bab3dd910801 -r a62cfa35d3b5 include/xen/interface/arch-ia64.h
--- a/xen/include/public/arch-ia64.h	Tue Jun 12 15:43:27 2007 -0600
+++ b/xen/include/public/arch-ia64.h	Tue Jun 12 15:48:23 2007 -0600
@@ -531,6 +531,9 @@ DEFINE_XEN_GUEST_HANDLE(vcpu_guest_conte
 /* get fpswa revision */
 #define IA64_DOM0VP_fpswa_revision      10
 
+/* Add an I/O port space range */
+#define IA64_DOM0VP_add_io_space        11
+
 // flags for page assignement to pseudo physical address space
 #define _ASSIGN_readonly                0
 #define ASSIGN_readonly                 (1UL << _ASSIGN_readonly)