LXR qemu/include/sysemu/accel.h

   1/* QEMU accelerator interfaces
   2 *
   3 * Copyright (c) 2014 Red Hat Inc
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy
   6 * of this software and associated documentation files (the "Software"), to deal
   7 * in the Software without restriction, including without limitation the rights
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 * copies of the Software, and to permit persons to whom the Software is
  10 * furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 * THE SOFTWARE.
  22 */
  23#ifndef HW_ACCEL_H
  24#define HW_ACCEL_H
  25
  26#include "qom/object.h"
  27#include "hw/qdev-properties.h"
  28
  29typedef struct AccelState {
  30    /*< private >*/
  31    Object parent_obj;
  32} AccelState;
  33
  34typedef struct AccelClass {
  35    /*< private >*/
  36    ObjectClass parent_class;
  37    /*< public >*/
  38
  39    const char *opt_name;
  40    const char *name;
  41    int (*available)(void);
  42    int (*init_machine)(MachineState *ms);
  43    void (*setup_post)(MachineState *ms, AccelState *accel);
  44    bool *allowed;
  45    /*
  46     * Array of global properties that would be applied when specific
  47     * accelerator is chosen. It works like MachineClass.compat_props
  48     * but it's for accelerators not machines. Accelerator-provided
  49     * global properties may be overridden by machine-type
  50     * compat_props or user-provided global properties.
  51     */
  52    GlobalProperty *global_props;
  53} AccelClass;
  54
  55#define TYPE_ACCEL "accel"
  56
  57#define ACCEL_CLASS_SUFFIX  "-" TYPE_ACCEL
  58#define ACCEL_CLASS_NAME(a) (a ACCEL_CLASS_SUFFIX)
  59
  60#define ACCEL_CLASS(klass) \
  61    OBJECT_CLASS_CHECK(AccelClass, (klass), TYPE_ACCEL)
  62#define ACCEL(obj) \
  63    OBJECT_CHECK(AccelState, (obj), TYPE_ACCEL)
  64#define ACCEL_GET_CLASS(obj) \
  65    OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL)
  66
  67extern unsigned long tcg_tb_size;
  68
  69void configure_accelerator(MachineState *ms);
  70/* Register accelerator specific global properties */
  71void accel_register_compat_props(AccelState *accel);
  72/* Called just before os_setup_post (ie just before drop OS privs) */
  73void accel_setup_post(MachineState *ms);
  74
  75#endif
  76