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
  30 typedef struct AccelState {
  31     /*< private >*/
  32     Object parent_obj;
  33 } AccelState;
  34
  35 typedef 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
  68 extern unsigned long tcg_tb_size;
  69
  70 void configure_accelerator(MachineState *ms, const char *progname);
  71 /* Called just before os_setup_post (ie just before drop OS privs) */
  72 void accel_setup_post(MachineState *ms);
  73
  74 #endif