[Xen-devel] [PATCH 3/8] xen/arm: Rename p2m_map_foreign to p2m_map_foreign_rw

[Julien Grall <julien.grall@xxxxxxx>]

A follow-up patch will introduce another type of foreign mapping. Rename
the type to make clear it is only used for read-write mapping.

No functional changes intended.

Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/mm.c         | 2 +-
 xen/arch/arm/p2m.c        | 2 +-
 xen/include/asm-arm/p2m.h | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 7a06a33e21..cec821c3a3 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -1283,7 +1283,7 @@ int xenmem_add_to_physmap_one(
         }
 
         mfn = page_to_mfn(page);
-        t = p2m_map_foreign;
+        t = p2m_map_foreign_rw;
 
         rcu_unlock_domain(od);
         break;
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 04c8718e9f..b32b16cd94 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -440,7 +440,7 @@ static void p2m_set_permission(lpae_t *e, p2m_type_t t, 
p2m_access_t a)
         break;
 
     case p2m_iommu_map_rw:
-    case p2m_map_foreign:
+    case p2m_map_foreign_rw:
     case p2m_grant_map_rw:
     case p2m_mmio_direct_dev:
     case p2m_mmio_direct_nc:
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index a5914136e3..5f7f31186d 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -117,7 +117,7 @@ enum p2m_type {
     p2m_mmio_direct_dev,/* Read/write mapping of genuine Device MMIO area */
     p2m_mmio_direct_nc, /* Read/write mapping of genuine MMIO area 
non-cacheable */
     p2m_mmio_direct_c,  /* Read/write mapping of genuine MMIO area cacheable */
-    p2m_map_foreign,    /* Ram pages from foreign domain */
+    p2m_map_foreign_rw, /* Read/write RAM pages from foreign domain */
     p2m_grant_map_rw,   /* Read/write grant mapping */
     p2m_grant_map_ro,   /* Read-only grant mapping */
     /* The types below are only used to decide the page attribute in the P2M */
@@ -139,10 +139,10 @@ enum p2m_type {
 
 /* Useful predicates */
 #define p2m_is_ram(_t) (p2m_to_mask(_t) & P2M_RAM_TYPES)
-#define p2m_is_foreign(_t) (p2m_to_mask(_t) & p2m_to_mask(p2m_map_foreign))
+#define p2m_is_foreign(_t) (p2m_to_mask(_t) & p2m_to_mask(p2m_map_foreign_rw))
 #define p2m_is_any_ram(_t) (p2m_to_mask(_t) &                   \
                             (P2M_RAM_TYPES | P2M_GRANT_TYPES |  \
-                             p2m_to_mask(p2m_map_foreign)))
+                             p2m_to_mask(p2m_map_foreign_rw)))
 
 static inline
 void p2m_altp2m_check(struct vcpu *v, uint16_t idx)
-- 
2.11.0


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