xref: /openbmc/qemu/include/hw/ide/ahci.h (revision 4921d0a7)
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 "exec/memory.h"
28 
29 typedef struct AHCIDevice AHCIDevice;
30 
31 typedef struct AHCIControlRegs {
32     uint32_t    cap;
33     uint32_t    ghc;
34     uint32_t    irqstatus;
35     uint32_t    impl;
36     uint32_t    version;
37 } AHCIControlRegs;
38 
39 typedef struct AHCIState {
40     DeviceState *container;
41 
42     AHCIDevice *dev;
43     AHCIControlRegs control_regs;
44     MemoryRegion mem;
45     MemoryRegion idp;       /* Index-Data Pair I/O port space */
46     unsigned idp_offset;    /* Offset of index in I/O port space */
47     uint32_t idp_index;     /* Current IDP index */
48     uint32_t ports;
49     qemu_irq irq;
50     AddressSpace *as;
51 } AHCIState;
52 
53 
54 void ahci_ide_create_devs(AHCIState *ahci, DriveInfo **hd);
55 
56 #endif /* HW_IDE_AHCI_H */
57