vl.h

   1 /*
   2  * QEMU System Emulator header
   3  *
   4  * Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #ifndef VL_H
  25 #define VL_H
  26
  27 /* vl.c */
  28 struct CPUX86State;
  29 extern int reset_requested;
  30
  31 typedef void (IOPortWriteFunc)(struct CPUX86State *env, uint32_t address, uint32_t data);
  32 typedef uint32_t (IOPortReadFunc)(struct CPUX86State *env, uint32_t address);
  33
  34 void *get_mmap_addr(unsigned long size);
  35 int register_ioport_read(int start, int length, IOPortReadFunc *func, int size);
  36 int register_ioport_write(int start, int length, IOPortWriteFunc *func, int size);
  37
  38 void kbd_put_keycode(int keycode);
  39
  40 #define MOUSE_EVENT_LBUTTON 0x01
  41 #define MOUSE_EVENT_RBUTTON 0x02
  42 #define MOUSE_EVENT_MBUTTON 0x04
  43 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);
  44
  45 /* block.c */
  46 typedef struct BlockDriverState BlockDriverState;
  47
  48 BlockDriverState *bdrv_open(const char *filename, int snapshot);
  49 void bdrv_close(BlockDriverState *bs);
  50 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
  51               uint8_t *buf, int nb_sectors);
  52 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
  53                const uint8_t *buf, int nb_sectors);
  54 void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr);
  55 int bdrv_commit(BlockDriverState *bs);
  56
  57 /* user mode linux compatible COW file */
  58 #define COW_MAGIC 0x4f4f4f4d  /* MOOO */
  59 #define COW_VERSION 2
  60
  61 struct cow_header_v2 {
  62     uint32_t magic;
  63     uint32_t version;
  64     char backing_file[1024];
  65     int32_t mtime;
  66     uint64_t size;
  67     uint32_t sectorsize;
  68 };
  69
  70 /* vga.c */
  71
  72 #define VGA_RAM_SIZE (8192 * 1024)
  73
  74 typedef struct DisplayState {
  75     uint8_t *data;
  76     int linesize;
  77     int depth;
  78     void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
  79     void (*dpy_resize)(struct DisplayState *s, int w, int h);
  80     void (*dpy_refresh)(struct DisplayState *s);
  81 } DisplayState;
  82
  83 static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
  84 {
  85     s->dpy_update(s, x, y, w, h);
  86 }
  87
  88 static inline void dpy_resize(DisplayState *s, int w, int h)
  89 {
  90     s->dpy_resize(s, w, h);
  91 }
  92
  93 int vga_init(DisplayState *ds, uint8_t *vga_ram_base,
  94              unsigned long vga_ram_offset, int vga_ram_size);
  95 void vga_update_display(void);
  96
  97 /* sdl.c */
  98 void sdl_display_init(DisplayState *ds);
  99
 100 #endif /* VL_H */