[Xen-devel] [PATCH v4 1/6] xen/arm: introduce p2m_is_mmio

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Add a p2m_is_mmio macro for easy checkings.

Signed-off-by: Stefano Stabellini <stefanos@xxxxxxxxxx>
---
 xen/include/asm-arm/p2m.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 03f2ee75c1..31902317da 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -132,6 +132,11 @@ typedef enum {
 #define P2M_RAM_TYPES (p2m_to_mask(p2m_ram_rw) |        \
                        p2m_to_mask(p2m_ram_ro))
 
+/* MMIO types */
+#define P2M_MMIO_TYPES (p2m_to_mask(p2m_mmio_direct_dev) | \
+                        p2m_to_mask(p2m_mmio_direct_nc)  | \
+                        p2m_to_mask(p2m_mmio_direct_c))
+
 /* Grant mapping types, which map to a real frame in another VM */
 #define P2M_GRANT_TYPES (p2m_to_mask(p2m_grant_map_rw) |  \
                          p2m_to_mask(p2m_grant_map_ro))
@@ -146,6 +151,7 @@ typedef enum {
 #define p2m_is_any_ram(_t) (p2m_to_mask(_t) &                   \
                             (P2M_RAM_TYPES | P2M_GRANT_TYPES |  \
                              P2M_FOREIGN_TYPES))
+#define p2m_is_mmio(_t) (p2m_to_mask(_t) & P2M_MMIO_TYPES)
 
 /* All common type definitions should live ahead of this inclusion. */
 #ifdef _XEN_P2M_COMMON_H
-- 
2.17.1


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel