xen: clean up domain mode predicates

There are four operating modes Xen code may find itself running in:
 - native
 - hvm domain
 - pv dom0
 - pv domU

Clean up predicates for testing for these states to make them more consistent.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Xen-devel <xen-devel@lists.xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 files changed, 17 insertions, 17 deletions

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 3ca643cafcc..d5e75325515 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1032,7 +1032,7 @@ static struct xenbus_driver blkfront = {
 
 static int __init xlblk_init(void)
 {
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		return -ENODEV;
 
 	if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) {
diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c
index 6b70aa66a58..538ceea5e7d 100644
--- a/drivers/char/hvc_xen.c
+++ b/drivers/char/hvc_xen.c
@@ -108,8 +108,8 @@ static int __init xen_init(void)
 {
 	struct hvc_struct *hp;
 
-	if (!is_running_on_xen() ||
-	    is_initial_xendomain() ||
+	if (!xen_pv_domain() ||
+	    xen_initial_domain() ||
 	    !xen_start_info->console.domU.evtchn)
 		return -ENODEV;
 
@@ -142,7 +142,7 @@ static void __exit xen_fini(void)
 
 static int xen_cons_init(void)
 {
-	if (!is_running_on_xen())
+	if (!xen_pv_domain())
 		return 0;
 
 	hvc_instantiate(HVC_COOKIE, 0, &hvc_ops);
diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c
index 9ce3b3baf3a..3ab6362f043 100644
--- a/drivers/input/xen-kbdfront.c
+++ b/drivers/input/xen-kbdfront.c
@@ -335,11 +335,11 @@ static struct xenbus_driver xenkbd = {
 
 static int __init xenkbd_init(void)
 {
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		return -ENODEV;
 
 	/* Nothing to do if running in dom0. */
-	if (is_initial_xendomain())
+	if (xen_initial_domain())
 		return -ENODEV;
 
 	return xenbus_register_frontend(&xenkbd);
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index c749bdba214..3c3dd403f5d 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1794,10 +1794,10 @@ static struct xenbus_driver netfront = {
 
 static int __init netif_init(void)
 {
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		return -ENODEV;
 
-	if (is_initial_xendomain())
+	if (xen_initial_domain())
 		return 0;
 
 	printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
@@ -1809,7 +1809,7 @@ module_init(netif_init);
 
 static void __exit netif_exit(void)
 {
-	if (is_initial_xendomain())
+	if (xen_initial_domain())
 		return;
 
 	xenbus_unregister_driver(&netfront);
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 47ed39b52f9..a463b3dd837 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -680,11 +680,11 @@ static struct xenbus_driver xenfb = {
 
 static int __init xenfb_init(void)
 {
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		return -ENODEV;
 
 	/* Nothing to do if running in dom0. */
-	if (is_initial_xendomain())
+	if (xen_initial_domain())
 		return -ENODEV;
 
 	return xenbus_register_frontend(&xenfb);
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index fff987b10e0..a51f3e17a5f 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -419,7 +419,7 @@ static int __init balloon_init(void)
 	unsigned long pfn;
 	struct page *page;
 
-	if (!is_running_on_xen())
+	if (!xen_pv_domain())
 		return -ENODEV;
 
 	pr_info("xen_balloon: Initialising balloon driver.\n");
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index e9e11168616..06592b9da83 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -508,7 +508,7 @@ static int __devinit gnttab_init(void)
 	unsigned int max_nr_glist_frames, nr_glist_frames;
 	unsigned int nr_init_grefs;
 
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		return -ENODEV;
 
 	nr_grant_frames = 1;
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 57ceb5346b7..7f24a98a446 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -814,7 +814,7 @@ static int __init xenbus_probe_init(void)
 	DPRINTK("");
 
 	err = -ENODEV;
-	if (!is_running_on_xen())
+	if (!xen_domain())
 		goto out_error;
 
 	/* Register ourselves with the kernel bus subsystem */
@@ -829,7 +829,7 @@ static int __init xenbus_probe_init(void)
 	/*
 	 * Domain0 doesn't have a store_evtchn or store_mfn yet.
 	 */
-	if (is_initial_xendomain()) {
+	if (xen_initial_domain()) {
 		/* dom0 not yet supported */
 	} else {
 		xenstored_ready = 1;
@@ -846,7 +846,7 @@ static int __init xenbus_probe_init(void)
 		goto out_unreg_back;
 	}
 
-	if (!is_initial_xendomain())
+	if (!xen_initial_domain())
 		xenbus_probe(NULL);
 
 	return 0;
@@ -937,7 +937,7 @@ static void wait_for_devices(struct xenbus_driver *xendrv)
 	unsigned long timeout = jiffies + 10*HZ;
 	struct device_driver *drv = xendrv ? &xendrv->driver : NULL;
 
-	if (!ready_to_wait_for_devices || !is_running_on_xen())
+	if (!ready_to_wait_for_devices || !xen_domain())
 		return;
 
 	while (exists_disconnected_device(drv)) {