[PATCH 05/10] exec: Move qemu_minrampagesize/qemu_maxrampagesize to 'qemu-common.h'

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Move these generic functions to a more common place, with other
functions related to host page size. Document a little.

Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/exec/ram_addr.h    |  3 ---
 include/qemu-common.h      | 10 ++++++++++
 hw/ppc/spapr_caps.c        |  2 +-
 hw/s390x/s390-virtio-ccw.c |  1 +
 hw/vfio/spapr.c            |  2 +-
 5 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 06096e8c6a..195b67d3c8 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -93,9 +93,6 @@ static inline unsigned long int ramblock_recv_bitmap_offset(void *host_addr,
 
 bool ramblock_is_pmem(RAMBlock *rb);
 
-long qemu_minrampagesize(void);
-long qemu_maxrampagesize(void);
-
 /**
  * qemu_ram_alloc_from_file,
  * qemu_ram_alloc_from_fd:  Allocate a ram block from the specified backing
diff --git a/include/qemu-common.h b/include/qemu-common.h
index d0142f29ac..2821a6ef76 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -80,6 +80,16 @@ bool set_preferred_target_page_bits(int bits);
  */
 void finalize_target_page_bits(void);
 
+/**
+ * qemu_minrampagesize:
+ * qemu_maxrampagesize:
+ *
+ * If backed via -memdev, return the device page size,
+ * else return the host kernel page size.
+ */
+long qemu_minrampagesize(void);
+long qemu_maxrampagesize(void);
+
 /**
  * Sends a (part of) iovec down a socket, yielding when the socket is full, or
  * Receives data into a (part of) iovec from a socket,
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index eb54f94227..33a802a103 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -23,11 +23,11 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qapi/visitor.h"
 #include "sysemu/hw_accel.h"
-#include "exec/ram_addr.h"
 #include "target/ppc/cpu.h"
 #include "target/ppc/mmu-hash64.h"
 #include "cpu-models.h"
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index f660070d22..c009384505 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -12,6 +12,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu-common.h"
 #include "qapi/error.h"
 #include "cpu.h"
 #include "hw/boards.h"
diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
index 2900bd1941..c64db940a7 100644
--- a/hw/vfio/spapr.c
+++ b/hw/vfio/spapr.c
@@ -9,13 +9,13 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu-common.h"
 #include "cpu.h"
 #include <sys/ioctl.h>
 #include <linux/vfio.h>
 
 #include "hw/vfio/vfio-common.h"
 #include "hw/hw.h"
-#include "exec/ram_addr.h"
 #include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "trace.h"
-- 
2.21.3