vga: export vga_ioport_{read,write}

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/vga.c

diff --git a/hw/vga.c b/hw/vga.c
index 7bfd8e9..d1de04e 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -285,9 +285,9 @@
     return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
 }
 
-static uint32_t vga_ioport_read(void *opaque, uint32_t addr)
+uint32_t vga_ioport_read(void *opaque, uint32_t addr)
 {
-    VGAState *s = opaque;
+    VGACommonState *s = opaque;
     int val, index;
 
     /* check port range access depending on color/monochrome mode */
@@ -378,9 +378,9 @@
     return val;
 }
 
-static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
-    VGAState *s = opaque;
+    VGACommonState *s = opaque;
     int index;
 
     /* check port range access depending on color/monochrome mode */

hw/vga_int.h

diff --git a/hw/vga_int.h b/hw/vga_int.h
index eb837ff..b44790d 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -194,6 +194,8 @@
 
 void vga_dirty_log_start(VGACommonState *s);
 
+uint32_t vga_ioport_read(void *opaque, uint32_t addr);
+void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
 uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
 void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
 void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);