# HG changeset patch
# User Tristan Gingold <tgingold@xxxxxxx>
# Date 1190003486 -7200
# Node ID 6b5e2fad4af609d771e63f2f034288e0c3cfc54e
# Parent  c80b20789f97cc27ac18d3480c6bb50e448f6269
Add support for debug_op hypercall.

Signed-off-by: Tristan Gingold <tgingold@xxxxxxx>

diff -r c80b20789f97 -r 6b5e2fad4af6 arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c	Wed Sep 12 09:38:50 2007 -0600
+++ b/arch/ia64/xen/xcom_privcmd.c	Mon Sep 17 06:31:26 2007 +0200
@@ -713,7 +713,7 @@ xencomm_privcmd_ia64_dom0vp_op(privcmd_h
 {
 	int cmd = hypercall->arg[0];
 	int ret;
-	
+
 	switch (cmd) {
 	case IA64_DOM0VP_fpswa_revision: {
 		unsigned int revision;
@@ -743,6 +743,34 @@ xencomm_privcmd_ia64_dom0vp_op(privcmd_h
 		break;
 	}
 	return ret;
+}
+
+static int
+xencomm_privcmd_ia64_debug_op(privcmd_hypercall_t *hypercall)
+{
+	int cmd = hypercall->arg[0];
+	unsigned long domain = hypercall->arg[1];
+	struct xencomm_handle *desc;
+	int ret;
+
+	switch (cmd) {
+	case XEN_IA64_DEBUG_OP_SET_FLAGS:
+	case XEN_IA64_DEBUG_OP_GET_FLAGS:
+		break;
+	default:
+		printk("%s: unknown IA64 DEBUGOP %d\n", __func__, cmd);
+		return -EINVAL;
+	}
+
+	desc = xencomm_map((void *)hypercall->arg[2],
+			   sizeof(xen_ia64_debug_op_t));
+	if (desc == NULL)
+		return -ENOMEM;
+
+	ret = xencomm_arch_hypercall_ia64_debug_op(cmd, domain, desc);
+
+	xencomm_free(desc);
+	return ret;	
 }
 
 int
@@ -769,6 +797,8 @@ privcmd_hypercall(privcmd_hypercall_t *h
 		return xencomm_privcmd_sched_op(hypercall);
 	case __HYPERVISOR_ia64_dom0vp_op:
 		return xencomm_privcmd_ia64_dom0vp_op(hypercall);
+	case __HYPERVISOR_ia64_debug_op:
+		return xencomm_privcmd_ia64_debug_op(hypercall);
 	default:
 		printk("%s: unknown hcall (%ld)\n", __func__, hypercall->op);
 		return -ENOSYS;
diff -r c80b20789f97 -r 6b5e2fad4af6 include/asm-ia64/hypercall.h
--- a/include/asm-ia64/hypercall.h	Wed Sep 12 09:38:50 2007 -0600
+++ b/include/asm-ia64/hypercall.h	Mon Sep 17 06:31:26 2007 +0200
@@ -407,6 +407,14 @@ xencomm_arch_hypercall_fpswa_revision(st
 {
 	return _hypercall2(int, ia64_dom0vp_op,
 			   IA64_DOM0VP_fpswa_revision, arg);
+}
+
+static inline int
+xencomm_arch_hypercall_ia64_debug_op(unsigned long cmd,
+				     unsigned long domain,
+				     struct xencomm_handle *arg)
+{
+	return _hypercall3(int, ia64_debug_op, cmd, domain, arg);
 }
 
 static inline int