8 #define MAX_SCSI_DEVS 255
10 #define SCSI_CMD_BUF_SIZE 16
14 SCSI_REASON_DONE
, /* Command complete. */
15 SCSI_REASON_DATA
/* Transfer complete, more data required. */
18 typedef struct SCSIBus SCSIBus
;
19 typedef struct SCSIBusOps SCSIBusOps
;
20 typedef struct SCSIDevice SCSIDevice
;
21 typedef struct SCSIDeviceInfo SCSIDeviceInfo
;
22 typedef struct SCSIRequest SCSIRequest
;
25 SCSI_XFER_NONE
, /* TEST_UNIT_READY, ... */
26 SCSI_XFER_FROM_DEV
, /* READ, INQUIRY, MODE_SENSE, ... */
27 SCSI_XFER_TO_DEV
, /* WRITE, MODE_SELECT, ... */
38 uint8_t buf
[SCSI_CMD_BUF_SIZE
];
42 enum SCSIXferMode mode
;
44 BlockDriverAIOCB
*aiocb
;
46 QTAILQ_ENTRY(SCSIRequest
) next
;
55 QTAILQ_HEAD(, SCSIRequest
) requests
;
61 int cdrom_read_toc(int nb_sectors
, uint8_t *buf
, int msf
, int start_track
);
62 int cdrom_read_toc_raw(int nb_sectors
, uint8_t *buf
, int msf
, int session_num
);
65 typedef int (*scsi_qdev_initfn
)(SCSIDevice
*dev
);
66 struct SCSIDeviceInfo
{
68 scsi_qdev_initfn init
;
69 void (*destroy
)(SCSIDevice
*s
);
70 SCSIRequest
*(*alloc_req
)(SCSIDevice
*s
, uint32_t tag
, uint32_t lun
);
71 void (*free_req
)(SCSIRequest
*req
);
72 int32_t (*send_command
)(SCSIRequest
*req
, uint8_t *buf
);
73 void (*read_data
)(SCSIRequest
*req
);
74 int (*write_data
)(SCSIRequest
*req
);
75 void (*cancel_io
)(SCSIRequest
*req
);
76 uint8_t *(*get_buf
)(SCSIRequest
*req
);
80 void (*complete
)(SCSIRequest
*req
, int reason
, uint32_t arg
);
81 void (*cancel
)(SCSIRequest
*req
);
89 const SCSIBusOps
*ops
;
91 SCSIDevice
*devs
[MAX_SCSI_DEVS
];
94 void scsi_bus_new(SCSIBus
*bus
, DeviceState
*host
, int tcq
, int ndev
,
95 const SCSIBusOps
*ops
);
96 void scsi_qdev_register(SCSIDeviceInfo
*info
);
98 static inline SCSIBus
*scsi_bus_from_device(SCSIDevice
*d
)
100 return DO_UPCAST(SCSIBus
, qbus
, d
->qdev
.parent_bus
);
103 SCSIDevice
*scsi_bus_legacy_add_drive(SCSIBus
*bus
, BlockDriverState
*bdrv
,
104 int unit
, bool removable
);
105 int scsi_bus_legacy_handle_cmdline(SCSIBus
*bus
);
107 SCSIRequest
*scsi_req_alloc(size_t size
, SCSIDevice
*d
, uint32_t tag
, uint32_t lun
);
108 void scsi_req_enqueue(SCSIRequest
*req
);
109 void scsi_req_free(SCSIRequest
*req
);
110 void scsi_req_dequeue(SCSIRequest
*req
);
111 SCSIRequest
*scsi_req_ref(SCSIRequest
*req
);
112 void scsi_req_unref(SCSIRequest
*req
);
114 int scsi_req_parse(SCSIRequest
*req
, uint8_t *buf
);
115 void scsi_req_print(SCSIRequest
*req
);
116 void scsi_req_data(SCSIRequest
*req
, int len
);
117 void scsi_req_complete(SCSIRequest
*req
);
118 void scsi_req_abort(SCSIRequest
*req
, int status
);
119 void scsi_req_cancel(SCSIRequest
*req
);
120 void scsi_device_purge_requests(SCSIDevice
*sdev
);