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#include "exec/hwaddr.h"
  29
  30typedef struct AccelState {
  31    /*< private >*/
  32    Object parent_obj;
  33} AccelState;
  34
  35typedef struct AccelClass {
  36    /*< private >*/
  37    ObjectClass parent_class;
  38    /*< public >*/
  39
  40    const char *name;
  41    int (*init_machine)(MachineState *ms);
  42    void (*setup_post)(MachineState *ms, AccelState *accel);
  43    bool (*has_memory)(MachineState *ms, AddressSpace *as,
  44                       hwaddr start_addr, hwaddr size);
  45    bool *allowed;
  46    /*
  47     * Array of global properties that would be applied when specific
  48     * accelerator is chosen. It works like MachineClass.compat_props
  49     * but it's for accelerators not machines. Accelerator-provided
  50     * global properties may be overridden by machine-type
  51     * compat_props or user-provided global properties.
  52     */
  53    GPtrArray *compat_props;
  54} AccelClass;
  55
  56#define TYPE_ACCEL "accel"
  57
  58#define ACCEL_CLASS_SUFFIX  "-" TYPE_ACCEL
  59#define ACCEL_CLASS_NAME(a) (a ACCEL_CLASS_SUFFIX)
  60
  61#define ACCEL_CLASS(klass) \
  62    OBJECT_CLASS_CHECK(AccelClass, (klass), TYPE_ACCEL)
  63#define ACCEL(obj) \
  64    OBJECT_CHECK(AccelState, (obj), TYPE_ACCEL)
  65#define ACCEL_GET_CLASS(obj) \
  66    OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL)
  67
  68extern unsigned long tcg_tb_size;
  69
  70void configure_accelerator(MachineState *ms, const char *progname);
  71/* Called just before os_setup_post (ie just before drop OS privs) */
  72void accel_setup_post(MachineState *ms);
  73
  74#endif
  75