[PATCH v4 11/14] xen/asm-generic: introduce stub header numa.h

[Oleksii Kurochko <oleksii.kurochko@gmail.com>]

<asm/numa.h> is common through some archs so it is moved
to asm-generic.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
Reviewed-by: Michal Orzel <michal.orzel@amd.com>
---
Changes in V4:
 - Updated guards name: *ARCH_GENERIC* -> *ASM_GENERIC*.
 - Moved inclusion of xen/mm-frame.h under "#ifndef CONFIG_NUMA".
 - Added Reviewed-by: Michal Orzel <michal.orzel@amd.com>.
---
Changes in V3:
 - Remove old header inclusion in asm-generic numa.h and include
   <xen/mm-frame.h> and <xen/stdint.h>
 - Drop Arm and PPC's numa.h and use asm-generic version instead.
---
Changes in V2:
	- update the commit message.
	- change u8 to uint8_t.
	- add ifnded CONFIG_NUMA.
---
 xen/arch/arm/include/asm/Makefile             |  1 +
 xen/arch/ppc/include/asm/Makefile             |  1 +
 xen/arch/ppc/include/asm/numa.h               | 26 -------------------
 .../asm => include/asm-generic}/numa.h        | 14 ++++++----
 4 files changed, 11 insertions(+), 31 deletions(-)
 delete mode 100644 xen/arch/ppc/include/asm/numa.h
 rename xen/{arch/arm/include/asm => include/asm-generic}/numa.h (76%)

diff --git a/xen/arch/arm/include/asm/Makefile b/xen/arch/arm/include/asm/Makefile
index 55d153ed82..b8e0763c77 100644
--- a/xen/arch/arm/include/asm/Makefile
+++ b/xen/arch/arm/include/asm/Makefile
@@ -3,6 +3,7 @@ generic-y += altp2m.h
 generic-y += device.h
 generic-y += hardirq.h
 generic-y += iocap.h
+generic-y += numa.h
 generic-y += paging.h
 generic-y += percpu.h
 generic-y += random.h
diff --git a/xen/arch/ppc/include/asm/Makefile b/xen/arch/ppc/include/asm/Makefile
index bcddcc181a..a4188dce1d 100644
--- a/xen/arch/ppc/include/asm/Makefile
+++ b/xen/arch/ppc/include/asm/Makefile
@@ -6,6 +6,7 @@ generic-y += hardirq.h
 generic-y += hypercall.h
 generic-y += iocap.h
 generic-y += monitor.h
+generic-y += numa.h
 generic-y += paging.h
 generic-y += percpu.h
 generic-y += random.h
diff --git a/xen/arch/ppc/include/asm/numa.h b/xen/arch/ppc/include/asm/numa.h
deleted file mode 100644
index 7fdf66c3da..0000000000
--- a/xen/arch/ppc/include/asm/numa.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef __ASM_PPC_NUMA_H__
-#define __ASM_PPC_NUMA_H__
-
-#include <xen/types.h>
-#include <xen/mm.h>
-
-typedef uint8_t nodeid_t;
-
-/* Fake one node for now. See also node_online_map. */
-#define cpu_to_node(cpu) 0
-#define node_to_cpumask(node)   (cpu_online_map)
-
-/*
- * TODO: make first_valid_mfn static when NUMA is supported on PPC, this
- * is required because the dummy helpers are using it.
- */
-extern mfn_t first_valid_mfn;
-
-/* XXX: implement NUMA support */
-#define node_spanned_pages(nid) (max_page - mfn_x(first_valid_mfn))
-#define node_start_pfn(nid) (mfn_x(first_valid_mfn))
-#define __node_distance(a, b) (20)
-
-#define arch_want_default_dmazone() (false)
-
-#endif /* __ASM_PPC_NUMA_H__ */
diff --git a/xen/arch/arm/include/asm/numa.h b/xen/include/asm-generic/numa.h
similarity index 76%
rename from xen/arch/arm/include/asm/numa.h
rename to xen/include/asm-generic/numa.h
index e2bee2bd82..b00fca4978 100644
--- a/xen/arch/arm/include/asm/numa.h
+++ b/xen/include/asm-generic/numa.h
@@ -1,12 +1,15 @@
-#ifndef __ARCH_ARM_NUMA_H
-#define __ARCH_ARM_NUMA_H
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __ASM_GENERIC_NUMA_H
+#define __ASM_GENERIC_NUMA_H
 
-#include <xen/mm.h>
+#include <xen/stdint.h>
 
-typedef u8 nodeid_t;
+typedef uint8_t nodeid_t;
 
 #ifndef CONFIG_NUMA
 
+#include <xen/mm-frame.h>
+
 /* Fake one node for now. See also node_online_map. */
 #define cpu_to_node(cpu) 0
 #define node_to_cpumask(node)   (cpu_online_map)
@@ -26,7 +29,8 @@ extern mfn_t first_valid_mfn;
 
 #define arch_want_default_dmazone() (false)
 
-#endif /* __ARCH_ARM_NUMA_H */
+#endif /* __ASM_GENERIC_NUMA_H */
+
 /*
  * Local variables:
  * mode: C
-- 
2.43.0