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qemu/include/hw/ide/ahci.h

89 lines
2.4 KiB
C

/*
* QEMU AHCI Emulation
*
* Copyright (c) 2010 qiaochong@loongson.cn
* Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
* Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
* Copyright (c) 2010 Alexander Graf <agraf@suse.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HW_IDE_AHCI_H
#define HW_IDE_AHCI_H
#include "hw/sysbus.h"
#include "qom/object.h"
typedef struct AHCIDevice AHCIDevice;
typedef struct AHCIControlRegs {
uint32_t cap;
uint32_t ghc;
uint32_t irqstatus;
uint32_t impl;
uint32_t version;
} AHCIControlRegs;
typedef struct AHCIState {
DeviceState *container;
AHCIDevice *dev;
AHCIControlRegs control_regs;
MemoryRegion mem;
MemoryRegion idp; /* Index-Data Pair I/O port space */
unsigned idp_offset; /* Offset of index in I/O port space */
uint32_t idp_index; /* Current IDP index */
int32_t ports;
qemu_irq irq;
AddressSpace *as;
} AHCIState;
#define TYPE_ICH9_AHCI "ich9-ahci"
OBJECT_DECLARE_SIMPLE_TYPE(AHCIPCIState, ICH9_AHCI)
int32_t ahci_get_num_ports(PCIDevice *dev);
void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
#define TYPE_SYSBUS_AHCI "sysbus-ahci"
OBJECT_DECLARE_SIMPLE_TYPE(SysbusAHCIState, SYSBUS_AHCI)
struct SysbusAHCIState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
AHCIState ahci;
uint32_t num_ports;
};
#define TYPE_ALLWINNER_AHCI "allwinner-ahci"
OBJECT_DECLARE_SIMPLE_TYPE(AllwinnerAHCIState, ALLWINNER_AHCI)
#define ALLWINNER_AHCI_MMIO_OFF 0x80
#define ALLWINNER_AHCI_MMIO_SIZE 0x80
struct AllwinnerAHCIState {
/*< private >*/
SysbusAHCIState parent_obj;
/*< public >*/
MemoryRegion mmio;
uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4];
};
#endif /* HW_IDE_AHCI_H */