include/hw/ide/ahci.h

   1 /*
   2  * QEMU AHCI Emulation
   3  *
   4  * Copyright (c) 2010 qiaochong@loongson.cn
   5  * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
   6  * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
   7  * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #ifndef HW_IDE_AHCI_H
  25 #define HW_IDE_AHCI_H
  26
  27 #include "hw/sysbus.h"
  28 #include "qom/object.h"
  29
  30 typedef struct AHCIDevice AHCIDevice;
  31
  32 typedef struct AHCIControlRegs {
  33     uint32_t    cap;
  34     uint32_t    ghc;
  35     uint32_t    irqstatus;
  36     uint32_t    impl;
  37     uint32_t    version;
  38 } AHCIControlRegs;
  39
  40 typedef struct AHCIState {
  41     DeviceState *container;
  42
  43     AHCIDevice *dev;
  44     AHCIControlRegs control_regs;
  45     MemoryRegion mem;
  46     MemoryRegion idp;       /* Index-Data Pair I/O port space */
  47     unsigned idp_offset;    /* Offset of index in I/O port space */
  48     uint32_t idp_index;     /* Current IDP index */
  49     int32_t ports;
  50     qemu_irq irq;
  51     AddressSpace *as;
  52 } AHCIState;
  53
  54
  55 #define TYPE_ICH9_AHCI "ich9-ahci"
  56 OBJECT_DECLARE_SIMPLE_TYPE(AHCIPCIState, ICH9_AHCI)
  57
  58 int32_t ahci_get_num_ports(PCIDevice *dev);
  59 void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
  60
  61 #define TYPE_SYSBUS_AHCI "sysbus-ahci"
  62 OBJECT_DECLARE_SIMPLE_TYPE(SysbusAHCIState, SYSBUS_AHCI)
  63
  64 struct SysbusAHCIState {
  65     /*< private >*/
  66     SysBusDevice parent_obj;
  67     /*< public >*/
  68
  69     AHCIState ahci;
  70     uint32_t num_ports;
  71 };
  72
  73 #define TYPE_ALLWINNER_AHCI "allwinner-ahci"
  74 OBJECT_DECLARE_SIMPLE_TYPE(AllwinnerAHCIState, ALLWINNER_AHCI)
  75
  76 #define ALLWINNER_AHCI_MMIO_OFF  0x80
  77 #define ALLWINNER_AHCI_MMIO_SIZE 0x80
  78
  79 struct AllwinnerAHCIState {
  80     /*< private >*/
  81     SysbusAHCIState parent_obj;
  82     /*< public >*/
  83
  84     MemoryRegion mmio;
  85     uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4];
  86 };
  87
  88 #endif /* HW_IDE_AHCI_H */