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 */
89