diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 502d4f1..b1a7b65 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -30,7 +30,7 @@
 #include "qemu/error-report.h"
 #include "sysemu/block-backend.h"
 #include "sysemu/dma.h"
-#include "internal.h"
+#include <hw/ide/internal.h>
 #include <hw/ide/pci.h>
 #include <hw/ide/ahci.h>
 
diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h
deleted file mode 100644
index bc777ed..0000000
--- a/hw/ide/ahci.h
+++ /dev/null
@@ -1,405 +0,0 @@
-/*
- * QEMU AHCI Emulation
- *
- * Copyright (c) 2010 qiaochong@loongson.cn
- * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
- * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
- * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#ifndef HW_IDE_AHCI_H
-#define HW_IDE_AHCI_H
-
-#include <hw/sysbus.h>
-
-#define AHCI_MEM_BAR_SIZE         0x1000
-#define AHCI_MAX_PORTS            32
-#define AHCI_MAX_SG               168 /* hardware max is 64K */
-#define AHCI_DMA_BOUNDARY         0xffffffff
-#define AHCI_USE_CLUSTERING       0
-#define AHCI_MAX_CMDS             32
-#define AHCI_CMD_SZ               32
-#define AHCI_CMD_SLOT_SZ          (AHCI_MAX_CMDS * AHCI_CMD_SZ)
-#define AHCI_RX_FIS_SZ            256
-#define AHCI_CMD_TBL_CDB          0x40
-#define AHCI_CMD_TBL_HDR_SZ       0x80
-#define AHCI_CMD_TBL_SZ           (AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16))
-#define AHCI_CMD_TBL_AR_SZ        (AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS)
-#define AHCI_PORT_PRIV_DMA_SZ     (AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + \
-                                   AHCI_RX_FIS_SZ)
-
-#define AHCI_IRQ_ON_SG            (1U << 31)
-#define AHCI_CMD_ATAPI            (1 << 5)
-#define AHCI_CMD_WRITE            (1 << 6)
-#define AHCI_CMD_PREFETCH         (1 << 7)
-#define AHCI_CMD_RESET            (1 << 8)
-#define AHCI_CMD_CLR_BUSY         (1 << 10)
-
-#define RX_FIS_D2H_REG            0x40 /* offset of D2H Register FIS data */
-#define RX_FIS_SDB                0x58 /* offset of SDB FIS data */
-#define RX_FIS_UNK                0x60 /* offset of Unknown FIS data */
-
-/* global controller registers */
-#define HOST_CAP                  0x00 /* host capabilities */
-#define HOST_CTL                  0x04 /* global host control */
-#define HOST_IRQ_STAT             0x08 /* interrupt status */
-#define HOST_PORTS_IMPL           0x0c /* bitmap of implemented ports */
-#define HOST_VERSION              0x10 /* AHCI spec. version compliancy */
-
-/* HOST_CTL bits */
-#define HOST_CTL_RESET            (1 << 0)  /* reset controller; self-clear */
-#define HOST_CTL_IRQ_EN           (1 << 1)  /* global IRQ enable */
-#define HOST_CTL_AHCI_EN          (1U << 31) /* AHCI enabled */
-
-/* HOST_CAP bits */
-#define HOST_CAP_SSC              (1 << 14) /* Slumber capable */
-#define HOST_CAP_AHCI             (1 << 18) /* AHCI only */
-#define HOST_CAP_CLO              (1 << 24) /* Command List Override support */
-#define HOST_CAP_SSS              (1 << 27) /* Staggered Spin-up */
-#define HOST_CAP_NCQ              (1 << 30) /* Native Command Queueing */
-#define HOST_CAP_64               (1U << 31) /* PCI DAC (64-bit DMA) support */
-
-/* registers for each SATA port */
-#define PORT_LST_ADDR             0x00 /* command list DMA addr */
-#define PORT_LST_ADDR_HI          0x04 /* command list DMA addr hi */
-#define PORT_FIS_ADDR             0x08 /* FIS rx buf addr */
-#define PORT_FIS_ADDR_HI          0x0c /* FIS rx buf addr hi */
-#define PORT_IRQ_STAT             0x10 /* interrupt status */
-#define PORT_IRQ_MASK             0x14 /* interrupt enable/disable mask */
-#define PORT_CMD                  0x18 /* port command */
-#define PORT_TFDATA               0x20 /* taskfile data */
-#define PORT_SIG                  0x24 /* device TF signature */
-#define PORT_SCR_STAT             0x28 /* SATA phy register: SStatus */
-#define PORT_SCR_CTL              0x2c /* SATA phy register: SControl */
-#define PORT_SCR_ERR              0x30 /* SATA phy register: SError */
-#define PORT_SCR_ACT              0x34 /* SATA phy register: SActive */
-#define PORT_CMD_ISSUE            0x38 /* command issue */
-#define PORT_RESERVED             0x3c /* reserved */
-
-/* PORT_IRQ_{STAT,MASK} bits */
-#define PORT_IRQ_COLD_PRES        (1U << 31) /* cold presence detect */
-#define PORT_IRQ_TF_ERR           (1 << 30) /* task file error */
-#define PORT_IRQ_HBUS_ERR         (1 << 29) /* host bus fatal error */
-#define PORT_IRQ_HBUS_DATA_ERR    (1 << 28) /* host bus data error */
-#define PORT_IRQ_IF_ERR           (1 << 27) /* interface fatal error */
-#define PORT_IRQ_IF_NONFATAL      (1 << 26) /* interface non-fatal error */
-#define PORT_IRQ_OVERFLOW         (1 << 24) /* xfer exhausted available S/G */
-#define PORT_IRQ_BAD_PMP          (1 << 23) /* incorrect port multiplier */
-
-#define PORT_IRQ_PHYRDY           (1 << 22) /* PhyRdy changed */
-#define PORT_IRQ_DEV_ILCK         (1 << 7) /* device interlock */
-#define PORT_IRQ_CONNECT          (1 << 6) /* port connect change status */
-#define PORT_IRQ_SG_DONE          (1 << 5) /* descriptor processed */
-#define PORT_IRQ_UNK_FIS          (1 << 4) /* unknown FIS rx'd */
-#define PORT_IRQ_SDB_FIS          (1 << 3) /* Set Device Bits FIS rx'd */
-#define PORT_IRQ_DMAS_FIS         (1 << 2) /* DMA Setup FIS rx'd */
-#define PORT_IRQ_PIOS_FIS         (1 << 1) /* PIO Setup FIS rx'd */
-#define PORT_IRQ_D2H_REG_FIS      (1 << 0) /* D2H Register FIS rx'd */
-
-#define PORT_IRQ_FREEZE           (PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR |   \
-                                   PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY |    \
-                                   PORT_IRQ_UNK_FIS)
-#define PORT_IRQ_ERROR            (PORT_IRQ_FREEZE | PORT_IRQ_TF_ERR |     \
-                                   PORT_IRQ_HBUS_DATA_ERR)
-#define DEF_PORT_IRQ              (PORT_IRQ_ERROR | PORT_IRQ_SG_DONE |     \
-                                   PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS |  \
-                                   PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS)
-
-/* PORT_CMD bits */
-#define PORT_CMD_ATAPI            (1 << 24) /* Device is ATAPI */
-#define PORT_CMD_LIST_ON          (1 << 15) /* cmd list DMA engine running */
-#define PORT_CMD_FIS_ON           (1 << 14) /* FIS DMA engine running */
-#define PORT_CMD_FIS_RX           (1 << 4) /* Enable FIS receive DMA engine */
-#define PORT_CMD_CLO              (1 << 3) /* Command list override */
-#define PORT_CMD_POWER_ON         (1 << 2) /* Power up device */
-#define PORT_CMD_SPIN_UP          (1 << 1) /* Spin up device */
-#define PORT_CMD_START            (1 << 0) /* Enable port DMA engine */
-
-#define PORT_CMD_ICC_MASK        (0xfU << 28) /* i/f ICC state mask */
-#define PORT_CMD_ICC_ACTIVE       (0x1 << 28) /* Put i/f in active state */
-#define PORT_CMD_ICC_PARTIAL      (0x2 << 28) /* Put i/f in partial state */
-#define PORT_CMD_ICC_SLUMBER      (0x6 << 28) /* Put i/f in slumber state */
-
-#define PORT_CMD_RO_MASK          0x007dffe0 /* Which CMD bits are read only? */
-
-/* ap->flags bits */
-#define AHCI_FLAG_NO_NCQ                  (1 << 24)
-#define AHCI_FLAG_IGN_IRQ_IF_ERR          (1 << 25) /* ignore IRQ_IF_ERR */
-#define AHCI_FLAG_HONOR_PI                (1 << 26) /* honor PORTS_IMPL */
-#define AHCI_FLAG_IGN_SERR_INTERNAL       (1 << 27) /* ignore SERR_INTERNAL */
-#define AHCI_FLAG_32BIT_ONLY              (1 << 28) /* force 32bit */
-
-#define ATA_SRST                          (1 << 2)  /* software reset */
-
-#define STATE_RUN                         0
-#define STATE_RESET                       1
-
-#define SATA_SCR_SSTATUS_DET_NODEV        0x0
-#define SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP 0x3
-
-#define SATA_SCR_SSTATUS_SPD_NODEV        0x00
-#define SATA_SCR_SSTATUS_SPD_GEN1         0x10
-
-#define SATA_SCR_SSTATUS_IPM_NODEV        0x000
-#define SATA_SCR_SSTATUS_IPM_ACTIVE       0X100
-
-#define AHCI_SCR_SCTL_DET                 0xf
-
-#define SATA_FIS_TYPE_REGISTER_H2D        0x27
-#define   SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80
-#define SATA_FIS_TYPE_REGISTER_D2H        0x34
-#define SATA_FIS_TYPE_PIO_SETUP           0x5f
-#define SATA_FIS_TYPE_SDB                 0xA1
-
-#define AHCI_CMD_HDR_CMD_FIS_LEN           0x1f
-#define AHCI_CMD_HDR_PRDT_LEN              16
-
-#define SATA_SIGNATURE_CDROM               0xeb140101
-#define SATA_SIGNATURE_DISK                0x00000101
-
-#define AHCI_GENERIC_HOST_CONTROL_REGS_MAX_ADDR 0x20
-                                            /* Shouldn't this be 0x2c? */
-
-#define AHCI_PORT_REGS_START_ADDR          0x100
-#define AHCI_PORT_ADDR_OFFSET_MASK         0x7f
-#define AHCI_PORT_ADDR_OFFSET_LEN          0x80
-
-#define AHCI_NUM_COMMAND_SLOTS             31
-#define AHCI_SUPPORTED_SPEED               20
-#define AHCI_SUPPORTED_SPEED_GEN1          1
-#define AHCI_VERSION_1_0                   0x10000
-
-#define AHCI_PROGMODE_MAJOR_REV_1          1
-
-#define AHCI_COMMAND_TABLE_ACMD            0x40
-
-#define AHCI_PRDT_SIZE_MASK                0x3fffff
-
-#define IDE_FEATURE_DMA                    1
-
-#define READ_FPDMA_QUEUED                  0x60
-#define WRITE_FPDMA_QUEUED                 0x61
-#define NCQ_NON_DATA                       0x63
-#define RECEIVE_FPDMA_QUEUED               0x65
-#define SEND_FPDMA_QUEUED                  0x64
-
-#define NCQ_FIS_FUA_MASK                   0x80
-#define NCQ_FIS_RARC_MASK                  0x01
-
-#define RES_FIS_DSFIS                      0x00
-#define RES_FIS_PSFIS                      0x20
-#define RES_FIS_RFIS                       0x40
-#define RES_FIS_SDBFIS                     0x58
-#define RES_FIS_UFIS                       0x60
-
-#define SATA_CAP_SIZE           0x8
-#define SATA_CAP_REV            0x2
-#define SATA_CAP_BAR            0x4
-
-typedef struct AHCIControlRegs {
-    uint32_t    cap;
-    uint32_t    ghc;
-    uint32_t    irqstatus;
-    uint32_t    impl;
-    uint32_t    version;
-} AHCIControlRegs;
-
-typedef struct AHCIPortRegs {
-    uint32_t    lst_addr;
-    uint32_t    lst_addr_hi;
-    uint32_t    fis_addr;
-    uint32_t    fis_addr_hi;
-    uint32_t    irq_stat;
-    uint32_t    irq_mask;
-    uint32_t    cmd;
-    uint32_t    unused0;
-    uint32_t    tfdata;
-    uint32_t    sig;
-    uint32_t    scr_stat;
-    uint32_t    scr_ctl;
-    uint32_t    scr_err;
-    uint32_t    scr_act;
-    uint32_t    cmd_issue;
-    uint32_t    reserved;
-} AHCIPortRegs;
-
-typedef struct AHCICmdHdr {
-    uint16_t    opts;
-    uint16_t    prdtl;
-    uint32_t    status;
-    uint64_t    tbl_addr;
-    uint32_t    reserved[4];
-} QEMU_PACKED AHCICmdHdr;
-
-typedef struct AHCI_SG {
-    uint64_t    addr;
-    uint32_t    reserved;
-    uint32_t    flags_size;
-} QEMU_PACKED AHCI_SG;
-
-typedef struct AHCIDevice AHCIDevice;
-
-typedef struct NCQTransferState {
-    AHCIDevice *drive;
-    BlockAIOCB *aiocb;
-    AHCICmdHdr *cmdh;
-    QEMUSGList sglist;
-    BlockAcctCookie acct;
-    uint32_t sector_count;
-    uint64_t lba;
-    uint8_t tag;
-    uint8_t cmd;
-    uint8_t slot;
-    bool used;
-    bool halt;
-} NCQTransferState;
-
-struct AHCIDevice {
-    IDEDMA dma;
-    IDEBus port;
-    int port_no;
-    uint32_t port_state;
-    uint32_t finished;
-    AHCIPortRegs port_regs;
-    struct AHCIState *hba;
-    QEMUBH *check_bh;
-    uint8_t *lst;
-    uint8_t *res_fis;
-    bool done_atapi_packet;
-    int32_t busy_slot;
-    bool init_d2h_sent;
-    AHCICmdHdr *cur_cmd;
-    NCQTransferState ncq_tfs[AHCI_MAX_CMDS];
-};
-
-typedef struct AHCIState {
-    DeviceState *container;
-
-    AHCIDevice *dev;
-    AHCIControlRegs control_regs;
-    MemoryRegion mem;
-    MemoryRegion idp;       /* Index-Data Pair I/O port space */
-    unsigned idp_offset;    /* Offset of index in I/O port space */
-    uint32_t idp_index;     /* Current IDP index */
-    int32_t ports;
-    qemu_irq irq;
-    AddressSpace *as;
-} AHCIState;
-
-typedef struct AHCIPCIState {
-    /*< private >*/
-    PCIDevice parent_obj;
-    /*< public >*/
-
-    AHCIState ahci;
-} AHCIPCIState;
-
-#define TYPE_ICH9_AHCI "ich9-ahci"
-
-#define ICH_AHCI(obj) \
-    OBJECT_CHECK(AHCIPCIState, (obj), TYPE_ICH9_AHCI)
-
-extern const VMStateDescription vmstate_ahci;
-
-#define VMSTATE_AHCI(_field, _state) {                               \
-    .name       = (stringify(_field)),                               \
-    .size       = sizeof(AHCIState),                                 \
-    .vmsd       = &vmstate_ahci,                                     \
-    .flags      = VMS_STRUCT,                                        \
-    .offset     = vmstate_offset_value(_state, _field, AHCIState),   \
-}
-
-/**
- * NCQFrame is the same as a Register H2D FIS (described in SATA 3.2),
- * but some fields have been re-mapped and re-purposed, as seen in
- * SATA 3.2 section 13.6.4.1 ("READ FPDMA QUEUED")
- *
- * cmd_fis[3], feature 7:0, becomes sector count 7:0.
- * cmd_fis[7], device 7:0, uses bit 7 as the Force Unit Access bit.
- * cmd_fis[11], feature 15:8, becomes sector count 15:8.
- * cmd_fis[12], count 7:0, becomes the NCQ TAG (7:3) and RARC bit (0)
- * cmd_fis[13], count 15:8, becomes the priority value (7:6)
- * bytes 16-19 become an le32 "auxiliary" field.
- */
-typedef struct NCQFrame {
-    uint8_t fis_type;
-    uint8_t c;
-    uint8_t command;
-    uint8_t sector_count_low;  /* (feature 7:0) */
-    uint8_t lba0;
-    uint8_t lba1;
-    uint8_t lba2;
-    uint8_t fua;               /* (device 7:0) */
-    uint8_t lba3;
-    uint8_t lba4;
-    uint8_t lba5;
-    uint8_t sector_count_high; /* (feature 15:8) */
-    uint8_t tag;               /* (count 0:7) */
-    uint8_t prio;              /* (count 15:8) */
-    uint8_t icc;
-    uint8_t control;
-    uint8_t aux0;
-    uint8_t aux1;
-    uint8_t aux2;
-    uint8_t aux3;
-} QEMU_PACKED NCQFrame;
-
-typedef struct SDBFIS {
-    uint8_t type;
-    uint8_t flags;
-    uint8_t status;
-    uint8_t error;
-    uint32_t payload;
-} QEMU_PACKED SDBFIS;
-
-void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports);
-void ahci_init(AHCIState *s, DeviceState *qdev);
-void ahci_uninit(AHCIState *s);
-
-void ahci_reset(AHCIState *s);
-
-void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
-
-#define TYPE_SYSBUS_AHCI "sysbus-ahci"
-#define SYSBUS_AHCI(obj) OBJECT_CHECK(SysbusAHCIState, (obj), TYPE_SYSBUS_AHCI)
-
-typedef struct SysbusAHCIState {
-    /*< private >*/
-    SysBusDevice parent_obj;
-    /*< public >*/
-
-    AHCIState ahci;
-    uint32_t num_ports;
-} SysbusAHCIState;
-
-#define TYPE_ALLWINNER_AHCI "allwinner-ahci"
-#define ALLWINNER_AHCI(obj) OBJECT_CHECK(AllwinnerAHCIState, (obj), \
-                       TYPE_ALLWINNER_AHCI)
-
-#define ALLWINNER_AHCI_MMIO_OFF  0x80
-#define ALLWINNER_AHCI_MMIO_SIZE 0x80
-
-struct AllwinnerAHCIState {
-    /*< private >*/
-    SysbusAHCIState parent_obj;
-    /*< public >*/
-
-    MemoryRegion mmio;
-    uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4];
-};
-
-#endif /* HW_IDE_AHCI_H */
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
deleted file mode 100644
index 773928a..0000000
--- a/hw/ide/internal.h
+++ /dev/null
@@ -1,635 +0,0 @@
-#ifndef HW_IDE_INTERNAL_H
-#define HW_IDE_INTERNAL_H
-
-/*
- * QEMU IDE Emulation -- internal header file
- * only files in hw/ide/ are supposed to include this file.
- * non-internal declarations are in hw/ide.h
- */
-#include <hw/ide.h>
-#include <hw/isa/isa.h>
-#include "sysemu/dma.h"
-#include "sysemu/sysemu.h"
-#include "hw/block/block.h"
-#include "block/scsi.h"
-
-/* debug IDE devices */
-//#define DEBUG_IDE
-//#define DEBUG_IDE_ATAPI
-//#define DEBUG_AIO
-#define USE_DMA_CDROM
-
-typedef struct IDEBus IDEBus;
-typedef struct IDEDevice IDEDevice;
-typedef struct IDEState IDEState;
-typedef struct IDEDMA IDEDMA;
-typedef struct IDEDMAOps IDEDMAOps;
-
-#define TYPE_IDE_BUS "IDE"
-#define IDE_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
-
-/* Bits of HD_STATUS */
-#define ERR_STAT		0x01
-#define INDEX_STAT		0x02
-#define ECC_STAT		0x04	/* Corrected error */
-#define DRQ_STAT		0x08
-#define SEEK_STAT		0x10
-#define SRV_STAT		0x10
-#define WRERR_STAT		0x20
-#define READY_STAT		0x40
-#define BUSY_STAT		0x80
-
-/* Bits for HD_ERROR */
-#define MARK_ERR		0x01	/* Bad address mark */
-#define TRK0_ERR		0x02	/* couldn't find track 0 */
-#define ABRT_ERR		0x04	/* Command aborted */
-#define MCR_ERR			0x08	/* media change request */
-#define ID_ERR			0x10	/* ID field not found */
-#define MC_ERR			0x20	/* media changed */
-#define ECC_ERR			0x40	/* Uncorrectable ECC error */
-#define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */
-#define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */
-
-/* Bits of HD_NSECTOR */
-#define CD			0x01
-#define IO			0x02
-#define REL			0x04
-#define TAG_MASK		0xf8
-
-#define IDE_CMD_RESET           0x04
-#define IDE_CMD_DISABLE_IRQ     0x02
-
-/* ACS-2 T13/2015-D Table B.2 Command codes */
-#define WIN_NOP				0x00
-/* reserved                             0x01..0x02 */
-#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
-/* reserved                             0x04..0x05 */
-#define WIN_DSM                         0x06
-/* reserved                             0x07 */
-#define WIN_DEVICE_RESET		0x08
-/* reserved                             0x09..0x0a */
-/* REQUEST SENSE DATA EXT               0x0B */
-/* reserved                             0x0C..0x0F */
-#define WIN_RECAL                       0x10 /* obsolete since ATA4 */
-/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
-#define WIN_READ			0x20 /* 28-Bit */
-#define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
-/* obsolete since ATA4                  0x22..0x23 */
-#define WIN_READ_EXT			0x24 /* 48-Bit */
-#define WIN_READDMA_EXT			0x25 /* 48-Bit */
-#define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
-#define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
-/* reserved                             0x28 */
-#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
-/* READ STREAM DMA EXT                  0x2A */
-/* READ STREAM EXT                      0x2B */
-/* reserved                             0x2C..0x2E */
-/* READ LOG EXT                         0x2F */
-#define WIN_WRITE			0x30 /* 28-Bit */
-#define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
-/* obsolete since ATA4                  0x32..0x33 */
-#define WIN_WRITE_EXT			0x34 /* 48-Bit */
-#define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
-#define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
-#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
-#define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
-#define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
-#define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
-/* WRITE STREAM DMA EXT                 0x3A */
-/* WRITE STREAM EXT                     0x3B */
-#define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
-/* WRITE DMA FUA EXT                    0x3D */
-/* obsolete since ACS2                  0x3E */
-/* WRITE LOG EXT                        0x3F */
-#define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
-#define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_VERIFY_EXT			0x42 /* 48-Bit */
-/* reserved                             0x43..0x44 */
-/* WRITE UNCORRECTABLE EXT              0x45 */
-/* reserved                             0x46 */
-/* READ LOG DMA EXT                     0x47 */
-/* reserved                             0x48..0x4F */
-/* obsolete since ATA4                  0x50 */
-/* CONFIGURE STREAM                     0x51 */
-/* reserved                             0x52..0x56 */
-/* WRITE LOG DMA EXT                    0x57 */
-/* reserved                             0x58..0x5A */
-/* TRUSTED NON DATA                     0x5B */
-/* TRUSTED RECEIVE                      0x5C */
-/* TRUSTED RECEIVE DMA                  0x5D */
-/* TRUSTED SEND                         0x5E */
-/* TRUSTED SEND DMA                     0x5F */
-/* READ FPDMA QUEUED                    0x60 */
-/* WRITE FPDMA QUEUED                   0x61 */
-/* reserved                             0x62->0x6F */
-#define WIN_SEEK                        0x70 /* obsolete since ATA7 */
-/* reserved                             0x71-0x7F */
-/* vendor specific                      0x80-0x86 */
-#define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
-/* vendor specific                      0x88-0x8F */
-#define WIN_DIAGNOSE			0x90
-#define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
-#define WIN_DOWNLOAD_MICROCODE		0x92
-/* DOWNLOAD MICROCODE DMA               0x93 */
-#define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
-#define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
-#define WIN_STANDBY2                    0x96 /* retired in ATA4 */
-#define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
-#define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
-#define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
-/* vendor specific                      0x9A */
-/* reserved                             0x9B..0x9F */
-#define WIN_PACKETCMD			0xA0 /* Send a packet command. */
-#define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
-#define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
-/* reserved                             0xA3..0xAF */
-#define WIN_SMART			0xB0 /* self-monitoring and reporting */
-/* Device Configuration Overlay         0xB1 */
-/* reserved                             0xB2..0xB3 */
-/* Sanitize Device                      0xB4 */
-/* reserved                             0xB5 */
-/* NV Cache                             0xB6 */
-/* reserved for CFA                     0xB7..0xBB */
-#define CFA_ACCESS_METADATA_STORAGE	0xB8
-/* reserved                             0xBC..0xBF */
-#define CFA_ERASE_SECTORS       	0xC0 /* microdrives implement as NOP */
-/* vendor specific                      0xC1..0xC3 */
-#define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
-#define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
-#define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
-#define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
-#define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
-#define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
-#define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
-#define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
-/* WRITE MULTIPLE FUA EXT               0xCE */
-/* reserved                             0xCF..0xDO */
-/* CHECK MEDIA CARD TYPE                0xD1 */
-/* reserved for media card pass through 0xD2..0xD4 */
-/* reserved                             0xD5..0xD9 */
-#define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
-/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
-#define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
-#define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
-#define WIN_STANDBYNOW1			0xE0
-#define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
-#define WIN_STANDBY             	0xE2 /* Set device in Standby Mode */
-#define WIN_SETIDLE1			0xE3
-#define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
-#define WIN_CHECKPOWERMODE1		0xE5
-#define WIN_SLEEPNOW1			0xE6
-#define WIN_FLUSH_CACHE			0xE7
-#define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
-/* READ BUFFER DMA                      0xE9 */
-#define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
-/* WRITE BUFFER DMA                     0xEB */
-#define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
-#define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
-/* obsolete since ATA4                  0xEE */
-#define WIN_SETFEATURES			0xEF /* set special drive features */
-#define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
-#define WIN_SECURITY_SET_PASS		0xF1
-#define WIN_SECURITY_UNLOCK		0xF2
-#define WIN_SECURITY_ERASE_PREPARE	0xF3
-#define WIN_SECURITY_ERASE_UNIT		0xF4
-#define WIN_SECURITY_FREEZE_LOCK	0xF5
-#define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
-#define WIN_SECURITY_DISABLE		0xF6
-/* vendor specific                      0xF7 */
-#define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
-#define WIN_SET_MAX			0xF9
-/* vendor specific                      0xFA..0xFF */
-
-/* set to 1 set disable mult support */
-#define MAX_MULT_SECTORS 16
-
-#define IDE_DMA_BUF_SECTORS 256
-
-/* feature values for Data Set Management */
-#define DSM_TRIM                        0x01
-
-#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
-#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
-#endif
-
-/* ATAPI defines */
-
-#define ATAPI_PACKET_SIZE 12
-
-/* The generic packet command opcodes for CD/DVD Logical Units,
- * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
-#define GPCMD_BLANK			    0xa1
-#define GPCMD_CLOSE_TRACK		    0x5b
-#define GPCMD_FLUSH_CACHE		    0x35
-#define GPCMD_FORMAT_UNIT		    0x04
-#define GPCMD_GET_CONFIGURATION		    0x46
-#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
-#define GPCMD_GET_PERFORMANCE		    0xac
-#define GPCMD_INQUIRY			    0x12
-#define GPCMD_LOAD_UNLOAD		    0xa6
-#define GPCMD_MECHANISM_STATUS		    0xbd
-#define GPCMD_MODE_SELECT_10		    0x55
-#define GPCMD_MODE_SENSE_10		    0x5a
-#define GPCMD_PAUSE_RESUME		    0x4b
-#define GPCMD_PLAY_AUDIO_10		    0x45
-#define GPCMD_PLAY_AUDIO_MSF		    0x47
-#define GPCMD_PLAY_AUDIO_TI		    0x48
-#define GPCMD_PLAY_CD			    0xbc
-#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
-#define GPCMD_READ_10			    0x28
-#define GPCMD_READ_12			    0xa8
-#define GPCMD_READ_CDVD_CAPACITY	    0x25
-#define GPCMD_READ_CD			    0xbe
-#define GPCMD_READ_CD_MSF		    0xb9
-#define GPCMD_READ_DISC_INFO		    0x51
-#define GPCMD_READ_DVD_STRUCTURE	    0xad
-#define GPCMD_READ_FORMAT_CAPACITIES	    0x23
-#define GPCMD_READ_HEADER		    0x44
-#define GPCMD_READ_TRACK_RZONE_INFO	    0x52
-#define GPCMD_READ_SUBCHANNEL		    0x42
-#define GPCMD_READ_TOC_PMA_ATIP		    0x43
-#define GPCMD_REPAIR_RZONE_TRACK	    0x58
-#define GPCMD_REPORT_KEY		    0xa4
-#define GPCMD_REQUEST_SENSE		    0x03
-#define GPCMD_RESERVE_RZONE_TRACK	    0x53
-#define GPCMD_SCAN			    0xba
-#define GPCMD_SEEK			    0x2b
-#define GPCMD_SEND_DVD_STRUCTURE	    0xad
-#define GPCMD_SEND_EVENT		    0xa2
-#define GPCMD_SEND_KEY			    0xa3
-#define GPCMD_SEND_OPC			    0x54
-#define GPCMD_SET_READ_AHEAD		    0xa7
-#define GPCMD_SET_STREAMING		    0xb6
-#define GPCMD_START_STOP_UNIT		    0x1b
-#define GPCMD_STOP_PLAY_SCAN		    0x4e
-#define GPCMD_TEST_UNIT_READY		    0x00
-#define GPCMD_VERIFY_10			    0x2f
-#define GPCMD_WRITE_10			    0x2a
-#define GPCMD_WRITE_AND_VERIFY_10	    0x2e
-/* This is listed as optional in ATAPI 2.6, but is (curiously)
- * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
- * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
- * drives support it. */
-#define GPCMD_SET_SPEED			    0xbb
-/* This seems to be a SCSI specific CD-ROM opcode
- * to play data at track/index */
-#define GPCMD_PLAYAUDIO_TI		    0x48
-/*
- * From MS Media Status Notification Support Specification. For
- * older drives only.
- */
-#define GPCMD_GET_MEDIA_STATUS		    0xda
-#define GPCMD_MODE_SENSE_6		    0x1a
-
-#define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
-#define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
-#define ATAPI_INT_REASON_REL            0x04
-#define ATAPI_INT_REASON_TAG            0xf8
-
-/* same constants as bochs */
-#define ASC_NO_SEEK_COMPLETE                 0x02
-#define ASC_ILLEGAL_OPCODE                   0x20
-#define ASC_LOGICAL_BLOCK_OOR                0x21
-#define ASC_INV_FIELD_IN_CMD_PACKET          0x24
-#define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
-#define ASC_INCOMPATIBLE_FORMAT              0x30
-#define ASC_MEDIUM_NOT_PRESENT               0x3a
-#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
-#define ASC_DATA_PHASE_ERROR                 0x4b
-#define ASC_MEDIA_REMOVAL_PREVENTED          0x53
-
-#define CFA_NO_ERROR            0x00
-#define CFA_MISC_ERROR          0x09
-#define CFA_INVALID_COMMAND     0x20
-#define CFA_INVALID_ADDRESS     0x21
-#define CFA_ADDRESS_OVERFLOW    0x2f
-
-#define SMART_READ_DATA       0xd0
-#define SMART_READ_THRESH     0xd1
-#define SMART_ATTR_AUTOSAVE   0xd2
-#define SMART_SAVE_ATTR       0xd3
-#define SMART_EXECUTE_OFFLINE 0xd4
-#define SMART_READ_LOG        0xd5
-#define SMART_WRITE_LOG       0xd6
-#define SMART_ENABLE          0xd8
-#define SMART_DISABLE         0xd9
-#define SMART_STATUS          0xda
-
-typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
-
-typedef void EndTransferFunc(IDEState *);
-
-typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *);
-typedef void DMAVoidFunc(IDEDMA *);
-typedef int DMAIntFunc(IDEDMA *, int);
-typedef int32_t DMAInt32Func(IDEDMA *, int32_t len);
-typedef void DMAu32Func(IDEDMA *, uint32_t);
-typedef void DMAStopFunc(IDEDMA *, bool);
-typedef void DMARestartFunc(void *, int, RunState);
-
-struct unreported_events {
-    bool eject_request;
-    bool new_media;
-};
-
-enum ide_dma_cmd {
-    IDE_DMA_READ,
-    IDE_DMA_WRITE,
-    IDE_DMA_TRIM,
-    IDE_DMA_ATAPI,
-};
-
-#define ide_cmd_is_read(s) \
-	((s)->dma_cmd == IDE_DMA_READ)
-
-typedef struct IDEBufferedRequest {
-    QLIST_ENTRY(IDEBufferedRequest) list;
-    struct iovec iov;
-    QEMUIOVector qiov;
-    QEMUIOVector *original_qiov;
-    BlockCompletionFunc *original_cb;
-    void *original_opaque;
-    bool orphaned;
-} IDEBufferedRequest;
-
-/* NOTE: IDEState represents in fact one drive */
-struct IDEState {
-    IDEBus *bus;
-    uint8_t unit;
-    /* ide config */
-    IDEDriveKind drive_kind;
-    int cylinders, heads, sectors, chs_trans;
-    int64_t nb_sectors;
-    int mult_sectors;
-    int identify_set;
-    uint8_t identify_data[512];
-    int drive_serial;
-    char drive_serial_str[21];
-    char drive_model_str[41];
-    uint64_t wwn;
-    /* ide regs */
-    uint8_t feature;
-    uint8_t error;
-    uint32_t nsector;
-    uint8_t sector;
-    uint8_t lcyl;
-    uint8_t hcyl;
-    /* other part of tf for lba48 support */
-    uint8_t hob_feature;
-    uint8_t hob_nsector;
-    uint8_t hob_sector;
-    uint8_t hob_lcyl;
-    uint8_t hob_hcyl;
-
-    uint8_t select;
-    uint8_t status;
-
-    /* set for lba48 access */
-    uint8_t lba48;
-    BlockBackend *blk;
-    char version[9];
-    /* ATAPI specific */
-    struct unreported_events events;
-    uint8_t sense_key;
-    uint8_t asc;
-    bool tray_open;
-    bool tray_locked;
-    uint8_t cdrom_changed;
-    int packet_transfer_size;
-    int elementary_transfer_size;
-    int32_t io_buffer_index;
-    int lba;
-    int cd_sector_size;
-    int atapi_dma; /* true if dma is requested for the packet cmd */
-    BlockAcctCookie acct;
-    BlockAIOCB *pio_aiocb;
-    struct iovec iov;
-    QEMUIOVector qiov;
-    QLIST_HEAD(, IDEBufferedRequest) buffered_requests;
-    /* ATA DMA state */
-    uint64_t io_buffer_offset;
-    int32_t io_buffer_size;
-    QEMUSGList sg;
-    /* PIO transfer handling */
-    int req_nb_sectors; /* number of sectors per interrupt */
-    EndTransferFunc *end_transfer_func;
-    uint8_t *data_ptr;
-    uint8_t *data_end;
-    uint8_t *io_buffer;
-    /* PIO save/restore */
-    int32_t io_buffer_total_len;
-    int32_t cur_io_buffer_offset;
-    int32_t cur_io_buffer_len;
-    uint8_t end_transfer_fn_idx;
-    QEMUTimer *sector_write_timer; /* only used for win2k install hack */
-    uint32_t irq_count; /* counts IRQs when using win2k install hack */
-    /* CF-ATA extended error */
-    uint8_t ext_error;
-    /* CF-ATA metadata storage */
-    uint32_t mdata_size;
-    uint8_t *mdata_storage;
-    int media_changed;
-    enum ide_dma_cmd dma_cmd;
-    /* SMART */
-    uint8_t smart_enabled;
-    uint8_t smart_autosave;
-    int smart_errors;
-    uint8_t smart_selftest_count;
-    uint8_t *smart_selftest_data;
-    /* AHCI */
-    int ncq_queues;
-};
-
-struct IDEDMAOps {
-    DMAStartFunc *start_dma;
-    DMAVoidFunc *start_transfer;
-    DMAInt32Func *prepare_buf;
-    DMAu32Func *commit_buf;
-    DMAIntFunc *rw_buf;
-    DMAVoidFunc *restart;
-    DMAVoidFunc *restart_dma;
-    DMAStopFunc *set_inactive;
-    DMAVoidFunc *cmd_done;
-    DMAVoidFunc *reset;
-};
-
-struct IDEDMA {
-    const struct IDEDMAOps *ops;
-    struct iovec iov;
-    QEMUIOVector qiov;
-    BlockAIOCB *aiocb;
-};
-
-struct IDEBus {
-    BusState qbus;
-    IDEDevice *master;
-    IDEDevice *slave;
-    IDEState ifs[2];
-    QEMUBH *bh;
-
-    int bus_id;
-    int max_units;
-    IDEDMA *dma;
-    uint8_t unit;
-    uint8_t cmd;
-    qemu_irq irq;
-
-    int error_status;
-    uint8_t retry_unit;
-    int64_t retry_sector_num;
-    uint32_t retry_nsector;
-};
-
-#define TYPE_IDE_DEVICE "ide-device"
-#define IDE_DEVICE(obj) \
-     OBJECT_CHECK(IDEDevice, (obj), TYPE_IDE_DEVICE)
-#define IDE_DEVICE_CLASS(klass) \
-     OBJECT_CLASS_CHECK(IDEDeviceClass, (klass), TYPE_IDE_DEVICE)
-#define IDE_DEVICE_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(IDEDeviceClass, (obj), TYPE_IDE_DEVICE)
-
-typedef struct IDEDeviceClass {
-    DeviceClass parent_class;
-    int (*init)(IDEDevice *dev);
-} IDEDeviceClass;
-
-struct IDEDevice {
-    DeviceState qdev;
-    uint32_t unit;
-    BlockConf conf;
-    int chs_trans;
-    char *version;
-    char *serial;
-    char *model;
-    uint64_t wwn;
-};
-
-/* These are used for the error_status field of IDEBus */
-#define IDE_RETRY_MASK 0xf8
-#define IDE_RETRY_DMA  0x08
-#define IDE_RETRY_PIO  0x10
-#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
-#define IDE_RETRY_READ  0x20
-#define IDE_RETRY_FLUSH 0x40
-#define IDE_RETRY_TRIM 0x80
-#define IDE_RETRY_HBA  0x100
-
-#define IS_IDE_RETRY_DMA(_status) \
-    ((_status) & IDE_RETRY_DMA)
-
-#define IS_IDE_RETRY_PIO(_status) \
-    ((_status) & IDE_RETRY_PIO)
-
-/*
- * The method of the IDE_RETRY_ATAPI determination is to use a previously
- * impossible bit combination as a new status value.
- */
-#define IS_IDE_RETRY_ATAPI(_status)   \
-    (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
-
-static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
-{
-    switch (dma_cmd) {
-    case IDE_DMA_READ:
-        return IDE_RETRY_DMA | IDE_RETRY_READ;
-    case IDE_DMA_WRITE:
-        return IDE_RETRY_DMA;
-    case IDE_DMA_TRIM:
-        return IDE_RETRY_DMA | IDE_RETRY_TRIM;
-    case IDE_DMA_ATAPI:
-        return IDE_RETRY_ATAPI;
-    default:
-        break;
-    }
-    return 0;
-}
-
-static inline IDEState *idebus_active_if(IDEBus *bus)
-{
-    return bus->ifs + bus->unit;
-}
-
-static inline void ide_set_irq(IDEBus *bus)
-{
-    if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
-        qemu_irq_raise(bus->irq);
-    }
-}
-
-/* hw/ide/core.c */
-extern const VMStateDescription vmstate_ide_bus;
-
-#define VMSTATE_IDE_BUS(_field, _state)                          \
-    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
-
-#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
-    VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
-
-extern const VMStateDescription vmstate_ide_drive;
-
-#define VMSTATE_IDE_DRIVES(_field, _state) \
-    VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
-
-#define VMSTATE_IDE_DRIVE(_field, _state) \
-    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
-
-void ide_bus_reset(IDEBus *bus);
-int64_t ide_get_sector(IDEState *s);
-void ide_set_sector(IDEState *s, int64_t sector_num);
-
-void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
-void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
-void ide_dma_error(IDEState *s);
-void ide_abort_command(IDEState *s);
-
-void ide_atapi_cmd_ok(IDEState *s);
-void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
-void ide_atapi_dma_restart(IDEState *s);
-void ide_atapi_io_error(IDEState *s, int ret);
-
-void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
-uint32_t ide_status_read(void *opaque, uint32_t addr);
-void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
-void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_data_readw(void *opaque, uint32_t addr);
-void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_data_readl(void *opaque, uint32_t addr);
-
-int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
-                   const char *version, const char *serial, const char *model,
-                   uint64_t wwn,
-                   uint32_t cylinders, uint32_t heads, uint32_t secs,
-                   int chs_trans);
-void ide_init2(IDEBus *bus, qemu_irq irq);
-void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
-void ide_register_restart_cb(IDEBus *bus);
-
-void ide_exec_cmd(IDEBus *bus, uint32_t val);
-
-void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
-                        EndTransferFunc *end_transfer_func);
-void ide_transfer_stop(IDEState *s);
-void ide_set_inactive(IDEState *s, bool more);
-BlockAIOCB *ide_issue_trim(
-        int64_t offset, QEMUIOVector *qiov,
-        BlockCompletionFunc *cb, void *cb_opaque, void *opaque);
-BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
-                               QEMUIOVector *iov, int nb_sectors,
-                               BlockCompletionFunc *cb, void *opaque);
-void ide_cancel_dma_sync(IDEState *s);
-
-/* hw/ide/atapi.c */
-void ide_atapi_cmd(IDEState *s);
-void ide_atapi_cmd_reply_end(IDEState *s);
-
-/* hw/ide/qdev.c */
-void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
-                 int bus_id, int max_units);
-IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
-
-int ide_handle_rw_error(IDEState *s, int error, int op);
-
-#endif /* HW_IDE_INTERNAL_H */
diff --git a/hw/ide/pci.h b/hw/ide/pci.h
deleted file mode 100644
index 0f2d4b9..0000000
--- a/hw/ide/pci.h
+++ /dev/null
@@ -1,76 +0,0 @@
-#ifndef HW_IDE_PCI_H
-#define HW_IDE_PCI_H
-
-#include <hw/ide/internal.h>
-
-#define BM_STATUS_DMAING 0x01
-#define BM_STATUS_ERROR  0x02
-#define BM_STATUS_INT    0x04
-
-#define BM_CMD_START     0x01
-#define BM_CMD_READ      0x08
-
-typedef struct BMDMAState {
-    IDEDMA dma;
-    uint8_t cmd;
-    uint8_t status;
-    uint32_t addr;
-
-    IDEBus *bus;
-    /* current transfer state */
-    uint32_t cur_addr;
-    uint32_t cur_prd_last;
-    uint32_t cur_prd_addr;
-    uint32_t cur_prd_len;
-    BlockCompletionFunc *dma_cb;
-    MemoryRegion addr_ioport;
-    MemoryRegion extra_io;
-    qemu_irq irq;
-
-    /* Bit 0-2 and 7:   BM status register
-     * Bit 3-6:         bus->error_status */
-    uint8_t migration_compat_status;
-    uint8_t migration_retry_unit;
-    int64_t migration_retry_sector_num;
-    uint32_t migration_retry_nsector;
-
-    struct PCIIDEState *pci_dev;
-} BMDMAState;
-
-typedef struct CMD646BAR {
-    MemoryRegion cmd;
-    MemoryRegion data;
-    IDEBus *bus;
-    struct PCIIDEState *pci_dev;
-} CMD646BAR;
-
-#define TYPE_PCI_IDE "pci-ide"
-#define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
-
-typedef struct PCIIDEState {
-    /*< private >*/
-    PCIDevice parent_obj;
-    /*< public >*/
-
-    IDEBus bus[2];
-    BMDMAState bmdma[2];
-    uint32_t secondary; /* used only for cmd646 */
-    MemoryRegion bmdma_bar;
-    CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
-} PCIIDEState;
-
-
-static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
-{
-    assert(bmdma->bus->retry_unit != (uint8_t)-1);
-    return bmdma->bus->ifs + bmdma->bus->retry_unit;
-}
-
-
-void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
-void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
-extern MemoryRegionOps bmdma_addr_ioport_ops;
-void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
-
-extern const VMStateDescription vmstate_ide_pci;
-#endif
diff --git a/include/hw/ide/ahci.h b/include/hw/ide/ahci.h
new file mode 100644
index 0000000..bc777ed
--- /dev/null
+++ b/include/hw/ide/ahci.h
@@ -0,0 +1,405 @@
+/*
+ * QEMU AHCI Emulation
+ *
+ * Copyright (c) 2010 qiaochong@loongson.cn
+ * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
+ * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
+ * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef HW_IDE_AHCI_H
+#define HW_IDE_AHCI_H
+
+#include <hw/sysbus.h>
+
+#define AHCI_MEM_BAR_SIZE         0x1000
+#define AHCI_MAX_PORTS            32
+#define AHCI_MAX_SG               168 /* hardware max is 64K */
+#define AHCI_DMA_BOUNDARY         0xffffffff
+#define AHCI_USE_CLUSTERING       0
+#define AHCI_MAX_CMDS             32
+#define AHCI_CMD_SZ               32
+#define AHCI_CMD_SLOT_SZ          (AHCI_MAX_CMDS * AHCI_CMD_SZ)
+#define AHCI_RX_FIS_SZ            256
+#define AHCI_CMD_TBL_CDB          0x40
+#define AHCI_CMD_TBL_HDR_SZ       0x80
+#define AHCI_CMD_TBL_SZ           (AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16))
+#define AHCI_CMD_TBL_AR_SZ        (AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS)
+#define AHCI_PORT_PRIV_DMA_SZ     (AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + \
+                                   AHCI_RX_FIS_SZ)
+
+#define AHCI_IRQ_ON_SG            (1U << 31)
+#define AHCI_CMD_ATAPI            (1 << 5)
+#define AHCI_CMD_WRITE            (1 << 6)
+#define AHCI_CMD_PREFETCH         (1 << 7)
+#define AHCI_CMD_RESET            (1 << 8)
+#define AHCI_CMD_CLR_BUSY         (1 << 10)
+
+#define RX_FIS_D2H_REG            0x40 /* offset of D2H Register FIS data */
+#define RX_FIS_SDB                0x58 /* offset of SDB FIS data */
+#define RX_FIS_UNK                0x60 /* offset of Unknown FIS data */
+
+/* global controller registers */
+#define HOST_CAP                  0x00 /* host capabilities */
+#define HOST_CTL                  0x04 /* global host control */
+#define HOST_IRQ_STAT             0x08 /* interrupt status */
+#define HOST_PORTS_IMPL           0x0c /* bitmap of implemented ports */
+#define HOST_VERSION              0x10 /* AHCI spec. version compliancy */
+
+/* HOST_CTL bits */
+#define HOST_CTL_RESET            (1 << 0)  /* reset controller; self-clear */
+#define HOST_CTL_IRQ_EN           (1 << 1)  /* global IRQ enable */
+#define HOST_CTL_AHCI_EN          (1U << 31) /* AHCI enabled */
+
+/* HOST_CAP bits */
+#define HOST_CAP_SSC              (1 << 14) /* Slumber capable */
+#define HOST_CAP_AHCI             (1 << 18) /* AHCI only */
+#define HOST_CAP_CLO              (1 << 24) /* Command List Override support */
+#define HOST_CAP_SSS              (1 << 27) /* Staggered Spin-up */
+#define HOST_CAP_NCQ              (1 << 30) /* Native Command Queueing */
+#define HOST_CAP_64               (1U << 31) /* PCI DAC (64-bit DMA) support */
+
+/* registers for each SATA port */
+#define PORT_LST_ADDR             0x00 /* command list DMA addr */
+#define PORT_LST_ADDR_HI          0x04 /* command list DMA addr hi */
+#define PORT_FIS_ADDR             0x08 /* FIS rx buf addr */
+#define PORT_FIS_ADDR_HI          0x0c /* FIS rx buf addr hi */
+#define PORT_IRQ_STAT             0x10 /* interrupt status */
+#define PORT_IRQ_MASK             0x14 /* interrupt enable/disable mask */
+#define PORT_CMD                  0x18 /* port command */
+#define PORT_TFDATA               0x20 /* taskfile data */
+#define PORT_SIG                  0x24 /* device TF signature */
+#define PORT_SCR_STAT             0x28 /* SATA phy register: SStatus */
+#define PORT_SCR_CTL              0x2c /* SATA phy register: SControl */
+#define PORT_SCR_ERR              0x30 /* SATA phy register: SError */
+#define PORT_SCR_ACT              0x34 /* SATA phy register: SActive */
+#define PORT_CMD_ISSUE            0x38 /* command issue */
+#define PORT_RESERVED             0x3c /* reserved */
+
+/* PORT_IRQ_{STAT,MASK} bits */
+#define PORT_IRQ_COLD_PRES        (1U << 31) /* cold presence detect */
+#define PORT_IRQ_TF_ERR           (1 << 30) /* task file error */
+#define PORT_IRQ_HBUS_ERR         (1 << 29) /* host bus fatal error */
+#define PORT_IRQ_HBUS_DATA_ERR    (1 << 28) /* host bus data error */
+#define PORT_IRQ_IF_ERR           (1 << 27) /* interface fatal error */
+#define PORT_IRQ_IF_NONFATAL      (1 << 26) /* interface non-fatal error */
+#define PORT_IRQ_OVERFLOW         (1 << 24) /* xfer exhausted available S/G */
+#define PORT_IRQ_BAD_PMP          (1 << 23) /* incorrect port multiplier */
+
+#define PORT_IRQ_PHYRDY           (1 << 22) /* PhyRdy changed */
+#define PORT_IRQ_DEV_ILCK         (1 << 7) /* device interlock */
+#define PORT_IRQ_CONNECT          (1 << 6) /* port connect change status */
+#define PORT_IRQ_SG_DONE          (1 << 5) /* descriptor processed */
+#define PORT_IRQ_UNK_FIS          (1 << 4) /* unknown FIS rx'd */
+#define PORT_IRQ_SDB_FIS          (1 << 3) /* Set Device Bits FIS rx'd */
+#define PORT_IRQ_DMAS_FIS         (1 << 2) /* DMA Setup FIS rx'd */
+#define PORT_IRQ_PIOS_FIS         (1 << 1) /* PIO Setup FIS rx'd */
+#define PORT_IRQ_D2H_REG_FIS      (1 << 0) /* D2H Register FIS rx'd */
+
+#define PORT_IRQ_FREEZE           (PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR |   \
+                                   PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY |    \
+                                   PORT_IRQ_UNK_FIS)
+#define PORT_IRQ_ERROR            (PORT_IRQ_FREEZE | PORT_IRQ_TF_ERR |     \
+                                   PORT_IRQ_HBUS_DATA_ERR)
+#define DEF_PORT_IRQ              (PORT_IRQ_ERROR | PORT_IRQ_SG_DONE |     \
+                                   PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS |  \
+                                   PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS)
+
+/* PORT_CMD bits */
+#define PORT_CMD_ATAPI            (1 << 24) /* Device is ATAPI */
+#define PORT_CMD_LIST_ON          (1 << 15) /* cmd list DMA engine running */
+#define PORT_CMD_FIS_ON           (1 << 14) /* FIS DMA engine running */
+#define PORT_CMD_FIS_RX           (1 << 4) /* Enable FIS receive DMA engine */
+#define PORT_CMD_CLO              (1 << 3) /* Command list override */
+#define PORT_CMD_POWER_ON         (1 << 2) /* Power up device */
+#define PORT_CMD_SPIN_UP          (1 << 1) /* Spin up device */
+#define PORT_CMD_START            (1 << 0) /* Enable port DMA engine */
+
+#define PORT_CMD_ICC_MASK        (0xfU << 28) /* i/f ICC state mask */
+#define PORT_CMD_ICC_ACTIVE       (0x1 << 28) /* Put i/f in active state */
+#define PORT_CMD_ICC_PARTIAL      (0x2 << 28) /* Put i/f in partial state */
+#define PORT_CMD_ICC_SLUMBER      (0x6 << 28) /* Put i/f in slumber state */
+
+#define PORT_CMD_RO_MASK          0x007dffe0 /* Which CMD bits are read only? */
+
+/* ap->flags bits */
+#define AHCI_FLAG_NO_NCQ                  (1 << 24)
+#define AHCI_FLAG_IGN_IRQ_IF_ERR          (1 << 25) /* ignore IRQ_IF_ERR */
+#define AHCI_FLAG_HONOR_PI                (1 << 26) /* honor PORTS_IMPL */
+#define AHCI_FLAG_IGN_SERR_INTERNAL       (1 << 27) /* ignore SERR_INTERNAL */
+#define AHCI_FLAG_32BIT_ONLY              (1 << 28) /* force 32bit */
+
+#define ATA_SRST                          (1 << 2)  /* software reset */
+
+#define STATE_RUN                         0
+#define STATE_RESET                       1
+
+#define SATA_SCR_SSTATUS_DET_NODEV        0x0
+#define SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP 0x3
+
+#define SATA_SCR_SSTATUS_SPD_NODEV        0x00
+#define SATA_SCR_SSTATUS_SPD_GEN1         0x10
+
+#define SATA_SCR_SSTATUS_IPM_NODEV        0x000
+#define SATA_SCR_SSTATUS_IPM_ACTIVE       0X100
+
+#define AHCI_SCR_SCTL_DET                 0xf
+
+#define SATA_FIS_TYPE_REGISTER_H2D        0x27
+#define   SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80
+#define SATA_FIS_TYPE_REGISTER_D2H        0x34
+#define SATA_FIS_TYPE_PIO_SETUP           0x5f
+#define SATA_FIS_TYPE_SDB                 0xA1
+
+#define AHCI_CMD_HDR_CMD_FIS_LEN           0x1f
+#define AHCI_CMD_HDR_PRDT_LEN              16
+
+#define SATA_SIGNATURE_CDROM               0xeb140101
+#define SATA_SIGNATURE_DISK                0x00000101
+
+#define AHCI_GENERIC_HOST_CONTROL_REGS_MAX_ADDR 0x20
+                                            /* Shouldn't this be 0x2c? */
+
+#define AHCI_PORT_REGS_START_ADDR          0x100
+#define AHCI_PORT_ADDR_OFFSET_MASK         0x7f
+#define AHCI_PORT_ADDR_OFFSET_LEN          0x80
+
+#define AHCI_NUM_COMMAND_SLOTS             31
+#define AHCI_SUPPORTED_SPEED               20
+#define AHCI_SUPPORTED_SPEED_GEN1          1
+#define AHCI_VERSION_1_0                   0x10000
+
+#define AHCI_PROGMODE_MAJOR_REV_1          1
+
+#define AHCI_COMMAND_TABLE_ACMD            0x40
+
+#define AHCI_PRDT_SIZE_MASK                0x3fffff
+
+#define IDE_FEATURE_DMA                    1
+
+#define READ_FPDMA_QUEUED                  0x60
+#define WRITE_FPDMA_QUEUED                 0x61
+#define NCQ_NON_DATA                       0x63
+#define RECEIVE_FPDMA_QUEUED               0x65
+#define SEND_FPDMA_QUEUED                  0x64
+
+#define NCQ_FIS_FUA_MASK                   0x80
+#define NCQ_FIS_RARC_MASK                  0x01
+
+#define RES_FIS_DSFIS                      0x00
+#define RES_FIS_PSFIS                      0x20
+#define RES_FIS_RFIS                       0x40
+#define RES_FIS_SDBFIS                     0x58
+#define RES_FIS_UFIS                       0x60
+
+#define SATA_CAP_SIZE           0x8
+#define SATA_CAP_REV            0x2
+#define SATA_CAP_BAR            0x4
+
+typedef struct AHCIControlRegs {
+    uint32_t    cap;
+    uint32_t    ghc;
+    uint32_t    irqstatus;
+    uint32_t    impl;
+    uint32_t    version;
+} AHCIControlRegs;
+
+typedef struct AHCIPortRegs {
+    uint32_t    lst_addr;
+    uint32_t    lst_addr_hi;
+    uint32_t    fis_addr;
+    uint32_t    fis_addr_hi;
+    uint32_t    irq_stat;
+    uint32_t    irq_mask;
+    uint32_t    cmd;
+    uint32_t    unused0;
+    uint32_t    tfdata;
+    uint32_t    sig;
+    uint32_t    scr_stat;
+    uint32_t    scr_ctl;
+    uint32_t    scr_err;
+    uint32_t    scr_act;
+    uint32_t    cmd_issue;
+    uint32_t    reserved;
+} AHCIPortRegs;
+
+typedef struct AHCICmdHdr {
+    uint16_t    opts;
+    uint16_t    prdtl;
+    uint32_t    status;
+    uint64_t    tbl_addr;
+    uint32_t    reserved[4];
+} QEMU_PACKED AHCICmdHdr;
+
+typedef struct AHCI_SG {
+    uint64_t    addr;
+    uint32_t    reserved;
+    uint32_t    flags_size;
+} QEMU_PACKED AHCI_SG;
+
+typedef struct AHCIDevice AHCIDevice;
+
+typedef struct NCQTransferState {
+    AHCIDevice *drive;
+    BlockAIOCB *aiocb;
+    AHCICmdHdr *cmdh;
+    QEMUSGList sglist;
+    BlockAcctCookie acct;
+    uint32_t sector_count;
+    uint64_t lba;
+    uint8_t tag;
+    uint8_t cmd;
+    uint8_t slot;
+    bool used;
+    bool halt;
+} NCQTransferState;
+
+struct AHCIDevice {
+    IDEDMA dma;
+    IDEBus port;
+    int port_no;
+    uint32_t port_state;
+    uint32_t finished;
+    AHCIPortRegs port_regs;
+    struct AHCIState *hba;
+    QEMUBH *check_bh;
+    uint8_t *lst;
+    uint8_t *res_fis;
+    bool done_atapi_packet;
+    int32_t busy_slot;
+    bool init_d2h_sent;
+    AHCICmdHdr *cur_cmd;
+    NCQTransferState ncq_tfs[AHCI_MAX_CMDS];
+};
+
+typedef struct AHCIState {
+    DeviceState *container;
+
+    AHCIDevice *dev;
+    AHCIControlRegs control_regs;
+    MemoryRegion mem;
+    MemoryRegion idp;       /* Index-Data Pair I/O port space */
+    unsigned idp_offset;    /* Offset of index in I/O port space */
+    uint32_t idp_index;     /* Current IDP index */
+    int32_t ports;
+    qemu_irq irq;
+    AddressSpace *as;
+} AHCIState;
+
+typedef struct AHCIPCIState {
+    /*< private >*/
+    PCIDevice parent_obj;
+    /*< public >*/
+
+    AHCIState ahci;
+} AHCIPCIState;
+
+#define TYPE_ICH9_AHCI "ich9-ahci"
+
+#define ICH_AHCI(obj) \
+    OBJECT_CHECK(AHCIPCIState, (obj), TYPE_ICH9_AHCI)
+
+extern const VMStateDescription vmstate_ahci;
+
+#define VMSTATE_AHCI(_field, _state) {                               \
+    .name       = (stringify(_field)),                               \
+    .size       = sizeof(AHCIState),                                 \
+    .vmsd       = &vmstate_ahci,                                     \
+    .flags      = VMS_STRUCT,                                        \
+    .offset     = vmstate_offset_value(_state, _field, AHCIState),   \
+}
+
+/**
+ * NCQFrame is the same as a Register H2D FIS (described in SATA 3.2),
+ * but some fields have been re-mapped and re-purposed, as seen in
+ * SATA 3.2 section 13.6.4.1 ("READ FPDMA QUEUED")
+ *
+ * cmd_fis[3], feature 7:0, becomes sector count 7:0.
+ * cmd_fis[7], device 7:0, uses bit 7 as the Force Unit Access bit.
+ * cmd_fis[11], feature 15:8, becomes sector count 15:8.
+ * cmd_fis[12], count 7:0, becomes the NCQ TAG (7:3) and RARC bit (0)
+ * cmd_fis[13], count 15:8, becomes the priority value (7:6)
+ * bytes 16-19 become an le32 "auxiliary" field.
+ */
+typedef struct NCQFrame {
+    uint8_t fis_type;
+    uint8_t c;
+    uint8_t command;
+    uint8_t sector_count_low;  /* (feature 7:0) */
+    uint8_t lba0;
+    uint8_t lba1;
+    uint8_t lba2;
+    uint8_t fua;               /* (device 7:0) */
+    uint8_t lba3;
+    uint8_t lba4;
+    uint8_t lba5;
+    uint8_t sector_count_high; /* (feature 15:8) */
+    uint8_t tag;               /* (count 0:7) */
+    uint8_t prio;              /* (count 15:8) */
+    uint8_t icc;
+    uint8_t control;
+    uint8_t aux0;
+    uint8_t aux1;
+    uint8_t aux2;
+    uint8_t aux3;
+} QEMU_PACKED NCQFrame;
+
+typedef struct SDBFIS {
+    uint8_t type;
+    uint8_t flags;
+    uint8_t status;
+    uint8_t error;
+    uint32_t payload;
+} QEMU_PACKED SDBFIS;
+
+void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports);
+void ahci_init(AHCIState *s, DeviceState *qdev);
+void ahci_uninit(AHCIState *s);
+
+void ahci_reset(AHCIState *s);
+
+void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
+
+#define TYPE_SYSBUS_AHCI "sysbus-ahci"
+#define SYSBUS_AHCI(obj) OBJECT_CHECK(SysbusAHCIState, (obj), TYPE_SYSBUS_AHCI)
+
+typedef struct SysbusAHCIState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    AHCIState ahci;
+    uint32_t num_ports;
+} SysbusAHCIState;
+
+#define TYPE_ALLWINNER_AHCI "allwinner-ahci"
+#define ALLWINNER_AHCI(obj) OBJECT_CHECK(AllwinnerAHCIState, (obj), \
+                       TYPE_ALLWINNER_AHCI)
+
+#define ALLWINNER_AHCI_MMIO_OFF  0x80
+#define ALLWINNER_AHCI_MMIO_SIZE 0x80
+
+struct AllwinnerAHCIState {
+    /*< private >*/
+    SysbusAHCIState parent_obj;
+    /*< public >*/
+
+    MemoryRegion mmio;
+    uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4];
+};
+
+#endif /* HW_IDE_AHCI_H */
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
new file mode 100644
index 0000000..773928a
--- /dev/null
+++ b/include/hw/ide/internal.h
@@ -0,0 +1,635 @@
+#ifndef HW_IDE_INTERNAL_H
+#define HW_IDE_INTERNAL_H
+
+/*
+ * QEMU IDE Emulation -- internal header file
+ * only files in hw/ide/ are supposed to include this file.
+ * non-internal declarations are in hw/ide.h
+ */
+#include <hw/ide.h>
+#include <hw/isa/isa.h>
+#include "sysemu/dma.h"
+#include "sysemu/sysemu.h"
+#include "hw/block/block.h"
+#include "block/scsi.h"
+
+/* debug IDE devices */
+//#define DEBUG_IDE
+//#define DEBUG_IDE_ATAPI
+//#define DEBUG_AIO
+#define USE_DMA_CDROM
+
+typedef struct IDEBus IDEBus;
+typedef struct IDEDevice IDEDevice;
+typedef struct IDEState IDEState;
+typedef struct IDEDMA IDEDMA;
+typedef struct IDEDMAOps IDEDMAOps;
+
+#define TYPE_IDE_BUS "IDE"
+#define IDE_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
+
+/* Bits of HD_STATUS */
+#define ERR_STAT		0x01
+#define INDEX_STAT		0x02
+#define ECC_STAT		0x04	/* Corrected error */
+#define DRQ_STAT		0x08
+#define SEEK_STAT		0x10
+#define SRV_STAT		0x10
+#define WRERR_STAT		0x20
+#define READY_STAT		0x40
+#define BUSY_STAT		0x80
+
+/* Bits for HD_ERROR */
+#define MARK_ERR		0x01	/* Bad address mark */
+#define TRK0_ERR		0x02	/* couldn't find track 0 */
+#define ABRT_ERR		0x04	/* Command aborted */
+#define MCR_ERR			0x08	/* media change request */
+#define ID_ERR			0x10	/* ID field not found */
+#define MC_ERR			0x20	/* media changed */
+#define ECC_ERR			0x40	/* Uncorrectable ECC error */
+#define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */
+#define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */
+
+/* Bits of HD_NSECTOR */
+#define CD			0x01
+#define IO			0x02
+#define REL			0x04
+#define TAG_MASK		0xf8
+
+#define IDE_CMD_RESET           0x04
+#define IDE_CMD_DISABLE_IRQ     0x02
+
+/* ACS-2 T13/2015-D Table B.2 Command codes */
+#define WIN_NOP				0x00
+/* reserved                             0x01..0x02 */
+#define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */
+/* reserved                             0x04..0x05 */
+#define WIN_DSM                         0x06
+/* reserved                             0x07 */
+#define WIN_DEVICE_RESET		0x08
+/* reserved                             0x09..0x0a */
+/* REQUEST SENSE DATA EXT               0x0B */
+/* reserved                             0x0C..0x0F */
+#define WIN_RECAL                       0x10 /* obsolete since ATA4 */
+/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
+#define WIN_READ			0x20 /* 28-Bit */
+#define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
+/* obsolete since ATA4                  0x22..0x23 */
+#define WIN_READ_EXT			0x24 /* 48-Bit */
+#define WIN_READDMA_EXT			0x25 /* 48-Bit */
+#define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
+#define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */
+/* reserved                             0x28 */
+#define WIN_MULTREAD_EXT		0x29 /* 48-Bit */
+/* READ STREAM DMA EXT                  0x2A */
+/* READ STREAM EXT                      0x2B */
+/* reserved                             0x2C..0x2E */
+/* READ LOG EXT                         0x2F */
+#define WIN_WRITE			0x30 /* 28-Bit */
+#define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
+/* obsolete since ATA4                  0x32..0x33 */
+#define WIN_WRITE_EXT			0x34 /* 48-Bit */
+#define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */
+#define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */
+#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
+#define WIN_SET_MAX_EXT			0x37 /* 48-Bit */
+#define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */
+#define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */
+/* WRITE STREAM DMA EXT                 0x3A */
+/* WRITE STREAM EXT                     0x3B */
+#define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
+/* WRITE DMA FUA EXT                    0x3D */
+/* obsolete since ACS2                  0x3E */
+/* WRITE LOG EXT                        0x3F */
+#define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */
+#define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
+#define WIN_VERIFY_EXT			0x42 /* 48-Bit */
+/* reserved                             0x43..0x44 */
+/* WRITE UNCORRECTABLE EXT              0x45 */
+/* reserved                             0x46 */
+/* READ LOG DMA EXT                     0x47 */
+/* reserved                             0x48..0x4F */
+/* obsolete since ATA4                  0x50 */
+/* CONFIGURE STREAM                     0x51 */
+/* reserved                             0x52..0x56 */
+/* WRITE LOG DMA EXT                    0x57 */
+/* reserved                             0x58..0x5A */
+/* TRUSTED NON DATA                     0x5B */
+/* TRUSTED RECEIVE                      0x5C */
+/* TRUSTED RECEIVE DMA                  0x5D */
+/* TRUSTED SEND                         0x5E */
+/* TRUSTED SEND DMA                     0x5F */
+/* READ FPDMA QUEUED                    0x60 */
+/* WRITE FPDMA QUEUED                   0x61 */
+/* reserved                             0x62->0x6F */
+#define WIN_SEEK                        0x70 /* obsolete since ATA7 */
+/* reserved                             0x71-0x7F */
+/* vendor specific                      0x80-0x86 */
+#define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */
+/* vendor specific                      0x88-0x8F */
+#define WIN_DIAGNOSE			0x90
+#define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
+#define WIN_DOWNLOAD_MICROCODE		0x92
+/* DOWNLOAD MICROCODE DMA               0x93 */
+#define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
+#define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
+#define WIN_STANDBY2                    0x96 /* retired in ATA4 */
+#define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
+#define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
+#define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
+/* vendor specific                      0x9A */
+/* reserved                             0x9B..0x9F */
+#define WIN_PACKETCMD			0xA0 /* Send a packet command. */
+#define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/
+#define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
+/* reserved                             0xA3..0xAF */
+#define WIN_SMART			0xB0 /* self-monitoring and reporting */
+/* Device Configuration Overlay         0xB1 */
+/* reserved                             0xB2..0xB3 */
+/* Sanitize Device                      0xB4 */
+/* reserved                             0xB5 */
+/* NV Cache                             0xB6 */
+/* reserved for CFA                     0xB7..0xBB */
+#define CFA_ACCESS_METADATA_STORAGE	0xB8
+/* reserved                             0xBC..0xBF */
+#define CFA_ERASE_SECTORS       	0xC0 /* microdrives implement as NOP */
+/* vendor specific                      0xC1..0xC3 */
+#define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/
+#define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */
+#define WIN_SETMULT			0xC6 /* enable/disable multiple mode */
+#define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
+#define WIN_READDMA			0xC8 /* read sectors using DMA transfers */
+#define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
+#define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */
+#define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
+#define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
+#define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */
+/* WRITE MULTIPLE FUA EXT               0xCE */
+/* reserved                             0xCF..0xDO */
+/* CHECK MEDIA CARD TYPE                0xD1 */
+/* reserved for media card pass through 0xD2..0xD4 */
+/* reserved                             0xD5..0xD9 */
+#define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
+/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
+#define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
+#define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
+#define WIN_STANDBYNOW1			0xE0
+#define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */
+#define WIN_STANDBY             	0xE2 /* Set device in Standby Mode */
+#define WIN_SETIDLE1			0xE3
+#define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */
+#define WIN_CHECKPOWERMODE1		0xE5
+#define WIN_SLEEPNOW1			0xE6
+#define WIN_FLUSH_CACHE			0xE7
+#define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */
+/* READ BUFFER DMA                      0xE9 */
+#define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */
+/* WRITE BUFFER DMA                     0xEB */
+#define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/
+#define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
+/* obsolete since ATA4                  0xEE */
+#define WIN_SETFEATURES			0xEF /* set special drive features */
+#define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
+#define WIN_SECURITY_SET_PASS		0xF1
+#define WIN_SECURITY_UNLOCK		0xF2
+#define WIN_SECURITY_ERASE_PREPARE	0xF3
+#define WIN_SECURITY_ERASE_UNIT		0xF4
+#define WIN_SECURITY_FREEZE_LOCK	0xF5
+#define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
+#define WIN_SECURITY_DISABLE		0xF6
+/* vendor specific                      0xF7 */
+#define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */
+#define WIN_SET_MAX			0xF9
+/* vendor specific                      0xFA..0xFF */
+
+/* set to 1 set disable mult support */
+#define MAX_MULT_SECTORS 16
+
+#define IDE_DMA_BUF_SECTORS 256
+
+/* feature values for Data Set Management */
+#define DSM_TRIM                        0x01
+
+#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
+#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
+#endif
+
+/* ATAPI defines */
+
+#define ATAPI_PACKET_SIZE 12
+
+/* The generic packet command opcodes for CD/DVD Logical Units,
+ * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
+#define GPCMD_BLANK			    0xa1
+#define GPCMD_CLOSE_TRACK		    0x5b
+#define GPCMD_FLUSH_CACHE		    0x35
+#define GPCMD_FORMAT_UNIT		    0x04
+#define GPCMD_GET_CONFIGURATION		    0x46
+#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
+#define GPCMD_GET_PERFORMANCE		    0xac
+#define GPCMD_INQUIRY			    0x12
+#define GPCMD_LOAD_UNLOAD		    0xa6
+#define GPCMD_MECHANISM_STATUS		    0xbd
+#define GPCMD_MODE_SELECT_10		    0x55
+#define GPCMD_MODE_SENSE_10		    0x5a
+#define GPCMD_PAUSE_RESUME		    0x4b
+#define GPCMD_PLAY_AUDIO_10		    0x45
+#define GPCMD_PLAY_AUDIO_MSF		    0x47
+#define GPCMD_PLAY_AUDIO_TI		    0x48
+#define GPCMD_PLAY_CD			    0xbc
+#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
+#define GPCMD_READ_10			    0x28
+#define GPCMD_READ_12			    0xa8
+#define GPCMD_READ_CDVD_CAPACITY	    0x25
+#define GPCMD_READ_CD			    0xbe
+#define GPCMD_READ_CD_MSF		    0xb9
+#define GPCMD_READ_DISC_INFO		    0x51
+#define GPCMD_READ_DVD_STRUCTURE	    0xad
+#define GPCMD_READ_FORMAT_CAPACITIES	    0x23
+#define GPCMD_READ_HEADER		    0x44
+#define GPCMD_READ_TRACK_RZONE_INFO	    0x52
+#define GPCMD_READ_SUBCHANNEL		    0x42
+#define GPCMD_READ_TOC_PMA_ATIP		    0x43
+#define GPCMD_REPAIR_RZONE_TRACK	    0x58
+#define GPCMD_REPORT_KEY		    0xa4
+#define GPCMD_REQUEST_SENSE		    0x03
+#define GPCMD_RESERVE_RZONE_TRACK	    0x53
+#define GPCMD_SCAN			    0xba
+#define GPCMD_SEEK			    0x2b
+#define GPCMD_SEND_DVD_STRUCTURE	    0xad
+#define GPCMD_SEND_EVENT		    0xa2
+#define GPCMD_SEND_KEY			    0xa3
+#define GPCMD_SEND_OPC			    0x54
+#define GPCMD_SET_READ_AHEAD		    0xa7
+#define GPCMD_SET_STREAMING		    0xb6
+#define GPCMD_START_STOP_UNIT		    0x1b
+#define GPCMD_STOP_PLAY_SCAN		    0x4e
+#define GPCMD_TEST_UNIT_READY		    0x00
+#define GPCMD_VERIFY_10			    0x2f
+#define GPCMD_WRITE_10			    0x2a
+#define GPCMD_WRITE_AND_VERIFY_10	    0x2e
+/* This is listed as optional in ATAPI 2.6, but is (curiously)
+ * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
+ * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
+ * drives support it. */
+#define GPCMD_SET_SPEED			    0xbb
+/* This seems to be a SCSI specific CD-ROM opcode
+ * to play data at track/index */
+#define GPCMD_PLAYAUDIO_TI		    0x48
+/*
+ * From MS Media Status Notification Support Specification. For
+ * older drives only.
+ */
+#define GPCMD_GET_MEDIA_STATUS		    0xda
+#define GPCMD_MODE_SENSE_6		    0x1a
+
+#define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
+#define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
+#define ATAPI_INT_REASON_REL            0x04
+#define ATAPI_INT_REASON_TAG            0xf8
+
+/* same constants as bochs */
+#define ASC_NO_SEEK_COMPLETE                 0x02
+#define ASC_ILLEGAL_OPCODE                   0x20
+#define ASC_LOGICAL_BLOCK_OOR                0x21
+#define ASC_INV_FIELD_IN_CMD_PACKET          0x24
+#define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
+#define ASC_INCOMPATIBLE_FORMAT              0x30
+#define ASC_MEDIUM_NOT_PRESENT               0x3a
+#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
+#define ASC_DATA_PHASE_ERROR                 0x4b
+#define ASC_MEDIA_REMOVAL_PREVENTED          0x53
+
+#define CFA_NO_ERROR            0x00
+#define CFA_MISC_ERROR          0x09
+#define CFA_INVALID_COMMAND     0x20
+#define CFA_INVALID_ADDRESS     0x21
+#define CFA_ADDRESS_OVERFLOW    0x2f
+
+#define SMART_READ_DATA       0xd0
+#define SMART_READ_THRESH     0xd1
+#define SMART_ATTR_AUTOSAVE   0xd2
+#define SMART_SAVE_ATTR       0xd3
+#define SMART_EXECUTE_OFFLINE 0xd4
+#define SMART_READ_LOG        0xd5
+#define SMART_WRITE_LOG       0xd6
+#define SMART_ENABLE          0xd8
+#define SMART_DISABLE         0xd9
+#define SMART_STATUS          0xda
+
+typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
+
+typedef void EndTransferFunc(IDEState *);
+
+typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *);
+typedef void DMAVoidFunc(IDEDMA *);
+typedef int DMAIntFunc(IDEDMA *, int);
+typedef int32_t DMAInt32Func(IDEDMA *, int32_t len);
+typedef void DMAu32Func(IDEDMA *, uint32_t);
+typedef void DMAStopFunc(IDEDMA *, bool);
+typedef void DMARestartFunc(void *, int, RunState);
+
+struct unreported_events {
+    bool eject_request;
+    bool new_media;
+};
+
+enum ide_dma_cmd {
+    IDE_DMA_READ,
+    IDE_DMA_WRITE,
+    IDE_DMA_TRIM,
+    IDE_DMA_ATAPI,
+};
+
+#define ide_cmd_is_read(s) \
+	((s)->dma_cmd == IDE_DMA_READ)
+
+typedef struct IDEBufferedRequest {
+    QLIST_ENTRY(IDEBufferedRequest) list;
+    struct iovec iov;
+    QEMUIOVector qiov;
+    QEMUIOVector *original_qiov;
+    BlockCompletionFunc *original_cb;
+    void *original_opaque;
+    bool orphaned;
+} IDEBufferedRequest;
+
+/* NOTE: IDEState represents in fact one drive */
+struct IDEState {
+    IDEBus *bus;
+    uint8_t unit;
+    /* ide config */
+    IDEDriveKind drive_kind;
+    int cylinders, heads, sectors, chs_trans;
+    int64_t nb_sectors;
+    int mult_sectors;
+    int identify_set;
+    uint8_t identify_data[512];
+    int drive_serial;
+    char drive_serial_str[21];
+    char drive_model_str[41];
+    uint64_t wwn;
+    /* ide regs */
+    uint8_t feature;
+    uint8_t error;
+    uint32_t nsector;
+    uint8_t sector;
+    uint8_t lcyl;
+    uint8_t hcyl;
+    /* other part of tf for lba48 support */
+    uint8_t hob_feature;
+    uint8_t hob_nsector;
+    uint8_t hob_sector;
+    uint8_t hob_lcyl;
+    uint8_t hob_hcyl;
+
+    uint8_t select;
+    uint8_t status;
+
+    /* set for lba48 access */
+    uint8_t lba48;
+    BlockBackend *blk;
+    char version[9];
+    /* ATAPI specific */
+    struct unreported_events events;
+    uint8_t sense_key;
+    uint8_t asc;
+    bool tray_open;
+    bool tray_locked;
+    uint8_t cdrom_changed;
+    int packet_transfer_size;
+    int elementary_transfer_size;
+    int32_t io_buffer_index;
+    int lba;
+    int cd_sector_size;
+    int atapi_dma; /* true if dma is requested for the packet cmd */
+    BlockAcctCookie acct;
+    BlockAIOCB *pio_aiocb;
+    struct iovec iov;
+    QEMUIOVector qiov;
+    QLIST_HEAD(, IDEBufferedRequest) buffered_requests;
+    /* ATA DMA state */
+    uint64_t io_buffer_offset;
+    int32_t io_buffer_size;
+    QEMUSGList sg;
+    /* PIO transfer handling */
+    int req_nb_sectors; /* number of sectors per interrupt */
+    EndTransferFunc *end_transfer_func;
+    uint8_t *data_ptr;
+    uint8_t *data_end;
+    uint8_t *io_buffer;
+    /* PIO save/restore */
+    int32_t io_buffer_total_len;
+    int32_t cur_io_buffer_offset;
+    int32_t cur_io_buffer_len;
+    uint8_t end_transfer_fn_idx;
+    QEMUTimer *sector_write_timer; /* only used for win2k install hack */
+    uint32_t irq_count; /* counts IRQs when using win2k install hack */
+    /* CF-ATA extended error */
+    uint8_t ext_error;
+    /* CF-ATA metadata storage */
+    uint32_t mdata_size;
+    uint8_t *mdata_storage;
+    int media_changed;
+    enum ide_dma_cmd dma_cmd;
+    /* SMART */
+    uint8_t smart_enabled;
+    uint8_t smart_autosave;
+    int smart_errors;
+    uint8_t smart_selftest_count;
+    uint8_t *smart_selftest_data;
+    /* AHCI */
+    int ncq_queues;
+};
+
+struct IDEDMAOps {
+    DMAStartFunc *start_dma;
+    DMAVoidFunc *start_transfer;
+    DMAInt32Func *prepare_buf;
+    DMAu32Func *commit_buf;
+    DMAIntFunc *rw_buf;
+    DMAVoidFunc *restart;
+    DMAVoidFunc *restart_dma;
+    DMAStopFunc *set_inactive;
+    DMAVoidFunc *cmd_done;
+    DMAVoidFunc *reset;
+};
+
+struct IDEDMA {
+    const struct IDEDMAOps *ops;
+    struct iovec iov;
+    QEMUIOVector qiov;
+    BlockAIOCB *aiocb;
+};
+
+struct IDEBus {
+    BusState qbus;
+    IDEDevice *master;
+    IDEDevice *slave;
+    IDEState ifs[2];
+    QEMUBH *bh;
+
+    int bus_id;
+    int max_units;
+    IDEDMA *dma;
+    uint8_t unit;
+    uint8_t cmd;
+    qemu_irq irq;
+
+    int error_status;
+    uint8_t retry_unit;
+    int64_t retry_sector_num;
+    uint32_t retry_nsector;
+};
+
+#define TYPE_IDE_DEVICE "ide-device"
+#define IDE_DEVICE(obj) \
+     OBJECT_CHECK(IDEDevice, (obj), TYPE_IDE_DEVICE)
+#define IDE_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(IDEDeviceClass, (klass), TYPE_IDE_DEVICE)
+#define IDE_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(IDEDeviceClass, (obj), TYPE_IDE_DEVICE)
+
+typedef struct IDEDeviceClass {
+    DeviceClass parent_class;
+    int (*init)(IDEDevice *dev);
+} IDEDeviceClass;
+
+struct IDEDevice {
+    DeviceState qdev;
+    uint32_t unit;
+    BlockConf conf;
+    int chs_trans;
+    char *version;
+    char *serial;
+    char *model;
+    uint64_t wwn;
+};
+
+/* These are used for the error_status field of IDEBus */
+#define IDE_RETRY_MASK 0xf8
+#define IDE_RETRY_DMA  0x08
+#define IDE_RETRY_PIO  0x10
+#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
+#define IDE_RETRY_READ  0x20
+#define IDE_RETRY_FLUSH 0x40
+#define IDE_RETRY_TRIM 0x80
+#define IDE_RETRY_HBA  0x100
+
+#define IS_IDE_RETRY_DMA(_status) \
+    ((_status) & IDE_RETRY_DMA)
+
+#define IS_IDE_RETRY_PIO(_status) \
+    ((_status) & IDE_RETRY_PIO)
+
+/*
+ * The method of the IDE_RETRY_ATAPI determination is to use a previously
+ * impossible bit combination as a new status value.
+ */
+#define IS_IDE_RETRY_ATAPI(_status)   \
+    (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
+
+static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
+{
+    switch (dma_cmd) {
+    case IDE_DMA_READ:
+        return IDE_RETRY_DMA | IDE_RETRY_READ;
+    case IDE_DMA_WRITE:
+        return IDE_RETRY_DMA;
+    case IDE_DMA_TRIM:
+        return IDE_RETRY_DMA | IDE_RETRY_TRIM;
+    case IDE_DMA_ATAPI:
+        return IDE_RETRY_ATAPI;
+    default:
+        break;
+    }
+    return 0;
+}
+
+static inline IDEState *idebus_active_if(IDEBus *bus)
+{
+    return bus->ifs + bus->unit;
+}
+
+static inline void ide_set_irq(IDEBus *bus)
+{
+    if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
+        qemu_irq_raise(bus->irq);
+    }
+}
+
+/* hw/ide/core.c */
+extern const VMStateDescription vmstate_ide_bus;
+
+#define VMSTATE_IDE_BUS(_field, _state)                          \
+    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
+
+#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
+    VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
+
+extern const VMStateDescription vmstate_ide_drive;
+
+#define VMSTATE_IDE_DRIVES(_field, _state) \
+    VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
+
+#define VMSTATE_IDE_DRIVE(_field, _state) \
+    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
+
+void ide_bus_reset(IDEBus *bus);
+int64_t ide_get_sector(IDEState *s);
+void ide_set_sector(IDEState *s, int64_t sector_num);
+
+void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
+void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
+void ide_dma_error(IDEState *s);
+void ide_abort_command(IDEState *s);
+
+void ide_atapi_cmd_ok(IDEState *s);
+void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
+void ide_atapi_dma_restart(IDEState *s);
+void ide_atapi_io_error(IDEState *s, int ret);
+
+void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
+uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
+uint32_t ide_status_read(void *opaque, uint32_t addr);
+void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
+void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
+uint32_t ide_data_readw(void *opaque, uint32_t addr);
+void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
+uint32_t ide_data_readl(void *opaque, uint32_t addr);
+
+int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
+                   const char *version, const char *serial, const char *model,
+                   uint64_t wwn,
+                   uint32_t cylinders, uint32_t heads, uint32_t secs,
+                   int chs_trans);
+void ide_init2(IDEBus *bus, qemu_irq irq);
+void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
+void ide_register_restart_cb(IDEBus *bus);
+
+void ide_exec_cmd(IDEBus *bus, uint32_t val);
+
+void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
+                        EndTransferFunc *end_transfer_func);
+void ide_transfer_stop(IDEState *s);
+void ide_set_inactive(IDEState *s, bool more);
+BlockAIOCB *ide_issue_trim(
+        int64_t offset, QEMUIOVector *qiov,
+        BlockCompletionFunc *cb, void *cb_opaque, void *opaque);
+BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
+                               QEMUIOVector *iov, int nb_sectors,
+                               BlockCompletionFunc *cb, void *opaque);
+void ide_cancel_dma_sync(IDEState *s);
+
+/* hw/ide/atapi.c */
+void ide_atapi_cmd(IDEState *s);
+void ide_atapi_cmd_reply_end(IDEState *s);
+
+/* hw/ide/qdev.c */
+void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
+                 int bus_id, int max_units);
+IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
+
+int ide_handle_rw_error(IDEState *s, int error, int op);
+
+#endif /* HW_IDE_INTERNAL_H */
diff --git a/include/hw/ide/pci.h b/include/hw/ide/pci.h
new file mode 100644
index 0000000..0f2d4b9
--- /dev/null
+++ b/include/hw/ide/pci.h
@@ -0,0 +1,76 @@
+#ifndef HW_IDE_PCI_H
+#define HW_IDE_PCI_H
+
+#include <hw/ide/internal.h>
+
+#define BM_STATUS_DMAING 0x01
+#define BM_STATUS_ERROR  0x02
+#define BM_STATUS_INT    0x04
+
+#define BM_CMD_START     0x01
+#define BM_CMD_READ      0x08
+
+typedef struct BMDMAState {
+    IDEDMA dma;
+    uint8_t cmd;
+    uint8_t status;
+    uint32_t addr;
+
+    IDEBus *bus;
+    /* current transfer state */
+    uint32_t cur_addr;
+    uint32_t cur_prd_last;
+    uint32_t cur_prd_addr;
+    uint32_t cur_prd_len;
+    BlockCompletionFunc *dma_cb;
+    MemoryRegion addr_ioport;
+    MemoryRegion extra_io;
+    qemu_irq irq;
+
+    /* Bit 0-2 and 7:   BM status register
+     * Bit 3-6:         bus->error_status */
+    uint8_t migration_compat_status;
+    uint8_t migration_retry_unit;
+    int64_t migration_retry_sector_num;
+    uint32_t migration_retry_nsector;
+
+    struct PCIIDEState *pci_dev;
+} BMDMAState;
+
+typedef struct CMD646BAR {
+    MemoryRegion cmd;
+    MemoryRegion data;
+    IDEBus *bus;
+    struct PCIIDEState *pci_dev;
+} CMD646BAR;
+
+#define TYPE_PCI_IDE "pci-ide"
+#define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
+
+typedef struct PCIIDEState {
+    /*< private >*/
+    PCIDevice parent_obj;
+    /*< public >*/
+
+    IDEBus bus[2];
+    BMDMAState bmdma[2];
+    uint32_t secondary; /* used only for cmd646 */
+    MemoryRegion bmdma_bar;
+    CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
+} PCIIDEState;
+
+
+static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
+{
+    assert(bmdma->bus->retry_unit != (uint8_t)-1);
+    return bmdma->bus->ifs + bmdma->bus->retry_unit;
+}
+
+
+void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
+void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
+extern MemoryRegionOps bmdma_addr_ioport_ops;
+void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
+
+extern const VMStateDescription vmstate_ide_pci;
+#endif
