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/*
* ide device definitions
*
* Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com>
*
* This code 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 2.1 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 IDE_DEV_H
#define IDE_DEV_H
#include "sysemu/dma.h"
#include "hw/qdev-properties.h"
#include "hw/block/block.h"
typedef struct IDEDevice IDEDevice;
typedef struct IDEState IDEState;
typedef struct IDEBus IDEBus;
typedef void EndTransferFunc(IDEState *);
#define MAX_IDE_DEVS 2
#define TYPE_IDE_DEVICE "ide-device"
OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE)
typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
struct unreported_events {
bool eject_request;
bool new_media;
};
enum ide_dma_cmd {
IDE_DMA_READ = 0,
IDE_DMA_WRITE,
IDE_DMA_TRIM,
IDE_DMA_ATAPI,
IDE_DMA__COUNT
};
/* NOTE: IDEState represents in fact one drive */
struct IDEState {
IDEBus *bus;
uint8_t unit;
/* ide config */
IDEDriveKind drive_kind;
int drive_heads, drive_sectors;
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];
bool win2k_install_hack;
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;
bool io8;
bool reset_reverts;
/* 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;
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 IDEDeviceClass {
DeviceClass parent_class;
void (*realize)(IDEDevice *dev, Error **errp);
};
struct IDEDevice {
DeviceState qdev;
uint32_t unit;
BlockConf conf;
int chs_trans;
char *version;
char *serial;
char *model;
uint64_t wwn;
/*
* 0x0000 - rotation rate not reported
* 0x0001 - non-rotating medium (SSD)
* 0x0002-0x0400 - reserved
* 0x0401-0xffe - rotations per minute
* 0xffff - reserved
*/
uint16_t rotation_rate;
bool win2k_install_hack;
};
typedef struct IDEDrive {
IDEDevice dev;
} IDEDrive;
#define DEFINE_IDE_DEV_PROPERTIES() \
DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
DEFINE_BLOCK_ERROR_PROPERTIES(IDEDrive, dev.conf), \
DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \
DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
DEFINE_PROP_STRING("model", IDEDrive, dev.model)
void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp);
void ide_drive_get(DriveInfo **hd, int max_bus);
#endif
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