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 int32_t ahci_get_num_ports(PCIDevice *dev); 56 void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd); 57 58 #define TYPE_SYSBUS_AHCI "sysbus-ahci" 59 OBJECT_DECLARE_SIMPLE_TYPE(SysbusAHCIState, SYSBUS_AHCI) 60 61 struct SysbusAHCIState { 62 /*< private >*/ 63 SysBusDevice parent_obj; 64 /*< public >*/ 65 66 AHCIState ahci; 67 uint32_t num_ports; 68 }; 69 70 #define TYPE_ALLWINNER_AHCI "allwinner-ahci" 71 OBJECT_DECLARE_SIMPLE_TYPE(AllwinnerAHCIState, ALLWINNER_AHCI) 72 73 #define ALLWINNER_AHCI_MMIO_OFF 0x80 74 #define ALLWINNER_AHCI_MMIO_SIZE 0x80 75 76 struct AllwinnerAHCIState { 77 /*< private >*/ 78 SysbusAHCIState parent_obj; 79 /*< public >*/ 80 81 MemoryRegion mmio; 82 uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4]; 83 }; 84 85 #endif /* HW_IDE_AHCI_H */ 86