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 void ahci_ide_create_devs(AHCIState *ahci, DriveInfo **hd); 56 57 #define TYPE_SYSBUS_AHCI "sysbus-ahci" 58 OBJECT_DECLARE_SIMPLE_TYPE(SysbusAHCIState, SYSBUS_AHCI) 59 60 struct SysbusAHCIState { 61 /*< private >*/ 62 SysBusDevice parent_obj; 63 /*< public >*/ 64 65 AHCIState ahci; 66 uint32_t num_ports; 67 }; 68 69 #define TYPE_ALLWINNER_AHCI "allwinner-ahci" 70 OBJECT_DECLARE_SIMPLE_TYPE(AllwinnerAHCIState, ALLWINNER_AHCI) 71 72 #define ALLWINNER_AHCI_MMIO_OFF 0x80 73 #define ALLWINNER_AHCI_MMIO_SIZE 0x80 74 75 struct AllwinnerAHCIState { 76 /*< private >*/ 77 SysbusAHCIState parent_obj; 78 /*< public >*/ 79 80 MemoryRegion mmio; 81 uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4]; 82 }; 83 84 #endif /* HW_IDE_AHCI_H */ 85