[PATCH v5 3/3] ppc/mm: Introduce mm-types.h

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

From: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>

Signed-off-by: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Julien Grall <julien@xxxxxxx>
CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
CC: Bertrand Marquis <bertrand.marquis@xxxxxxx>
CC: Michal Orzel <michal.orzel@xxxxxxx>
CC: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
CC: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>

Possibly not for taking on it's own (might be better with the PPC
implemenation of map_pages_to_xen()).

Nevertheless, this patch alone now does trip:

  diff --git a/xen/common/vmap.c b/xen/common/vmap.c
  index d6991421f3f7..9552806dba39 100644
  --- a/xen/common/vmap.c
  +++ b/xen/common/vmap.c
  @@ -228,6 +228,8 @@ void *__vmap(const mfn_t *mfn, unsigned int granularity,
       void *va = vm_alloc(nr * granularity, align, type);
       unsigned long cur = (unsigned long)va;

  +    BUILD_BUG_ON(sizeof(pte_attr_t) != 4);
  +
       for ( ; va && nr--; ++mfn, cur += PAGE_SIZE * granularity )
       {
           if ( map_pages_to_xen(cur, *mfn, granularity, flags) )

in PPC builds only.
---
 xen/arch/ppc/include/asm/mm-types.h | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 xen/arch/ppc/include/asm/mm-types.h

diff --git a/xen/arch/ppc/include/asm/mm-types.h 
b/xen/arch/ppc/include/asm/mm-types.h
new file mode 100644
index 000000000000..06a3af1c6eda
--- /dev/null
+++ b/xen/arch/ppc/include/asm/mm-types.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef PPC_MM_TYPES_H
+#define PPC_MM_TYPES_H
+
+typedef unsigned long pte_attr_t;
+
+#endif /* PPC_MM_TYPES_H */
-- 
2.39.5