xen/arm: Use the typesafes mfn and gfn in map_dev_mmio_region...

to avoid mixing machine frame with guest frame. Also drop the prefix start_.

Signed-off-by: Julien Grall <julien.grall@arm.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 0e408f848051b34770fab79ae141525a37f2f93e..b5fc0347404de273266106988ecd52841dcb9b60 100644 (file)
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -1145,7 +1145,7 @@ int xenmem_add_to_physmap_one(
         if ( extra.res0 )
             return -EOPNOTSUPP;
 
-        rc = map_dev_mmio_region(d, gfn_x(gfn), 1, idx);
+        rc = map_dev_mmio_region(d, gfn, 1, _mfn(idx));
         return rc;
 
     default:

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index f11094ef9bde3f3fb235660969bb7d90f4b37611..5fe1b91a97ece61d5f9e26fa61e81aed2abaf016 100644 (file)
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1211,20 +1211,20 @@ int unmap_mmio_regions(struct domain *d,
 }
 
 int map_dev_mmio_region(struct domain *d,
-                        unsigned long start_gfn,
+                        gfn_t gfn,
                         unsigned long nr,
-                        unsigned long mfn)
+                        mfn_t mfn)
 {
     int res;
 
-    if ( !(nr && iomem_access_permitted(d, mfn, mfn + nr - 1)) )
+    if ( !(nr && iomem_access_permitted(d, mfn_x(mfn), mfn_x(mfn) + nr - 1)) )
         return 0;
 
-    res = map_mmio_regions(d, _gfn(start_gfn), nr, _mfn(mfn));
+    res = map_mmio_regions(d, gfn, nr, mfn);
     if ( res < 0 )
     {
-        printk(XENLOG_G_ERR "Unable to map [%#lx - %#lx] in Dom%d\n",
-               mfn, mfn + nr - 1, d->domain_id);
+        printk(XENLOG_G_ERR "Unable to map MFNs [%#"PRI_mfn" - %#"PRI_mfn" in Dom%d\n",
+               mfn_x(mfn), mfn_x(mfn) + nr - 1, d->domain_id);
         return res;
     }
 

diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 4752161f5ef69398b75bd711a573cdd9163b6425..8d29edaa927b619738f738714cce0c383eac8c0a 100644 (file)
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -152,9 +152,9 @@ int unmap_regions_rw_cache(struct domain *d,
                            unsigned long mfn);
 
 int map_dev_mmio_region(struct domain *d,
-                        unsigned long start_gfn,
+                        gfn_t gfn,
                         unsigned long nr,
-                        unsigned long mfn);
+                        mfn_t mfn);
 
 int guest_physmap_add_entry(struct domain *d,
                             gfn_t gfn,