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 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 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 int32_t ports; 49 qemu_irq irq; 50 AddressSpace *as; 51 } AHCIState; 52 53 typedef struct AHCIPCIState AHCIPCIState; 54 55 #define TYPE_ICH9_AHCI "ich9-ahci" 56 57 int32_t ahci_get_num_ports(PCIDevice *dev); 58 void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd); 59 60 #define TYPE_SYSBUS_AHCI "sysbus-ahci" 61 62 typedef struct SysbusAHCIState { 63 /*< private >*/ 64 SysBusDevice parent_obj; 65 /*< public >*/ 66 67 AHCIState ahci; 68 uint32_t num_ports; 69 } SysbusAHCIState; 70 71 #define TYPE_ALLWINNER_AHCI "allwinner-ahci" 72 73 #define ALLWINNER_AHCI_MMIO_OFF 0x80 74 #define ALLWINNER_AHCI_MMIO_SIZE 0x80 75 76 typedef struct AllwinnerAHCIState { 77 /*< private >*/ 78 SysbusAHCIState parent_obj; 79 /*< public >*/ 80 81 MemoryRegion mmio; 82 uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4]; 83 } AllwinnerAHCIState; 84 85 #endif /* HW_IDE_AHCI_H */ 86