8 #define MAX_SCSI_DEVS 255
10 #define SCSI_CMD_BUF_SIZE 16
12 typedef struct SCSIBus SCSIBus
;
13 typedef struct SCSIBusOps SCSIBusOps
;
14 typedef struct SCSIDevice SCSIDevice
;
15 typedef struct SCSIDeviceInfo SCSIDeviceInfo
;
16 typedef struct SCSIRequest SCSIRequest
;
19 SCSI_XFER_NONE
, /* TEST_UNIT_READY, ... */
20 SCSI_XFER_FROM_DEV
, /* READ, INQUIRY, MODE_SENSE, ... */
21 SCSI_XFER_TO_DEV
, /* WRITE, MODE_SELECT, ... */
24 typedef struct SCSISense
{
30 #define SCSI_SENSE_BUF_SIZE 96
40 uint8_t buf
[SCSI_CMD_BUF_SIZE
];
44 enum SCSIXferMode mode
;
46 BlockDriverAIOCB
*aiocb
;
47 uint8_t sense
[SCSI_SENSE_BUF_SIZE
];
51 QTAILQ_ENTRY(SCSIRequest
) next
;
60 uint8_t sense
[SCSI_SENSE_BUF_SIZE
];
62 QTAILQ_HEAD(, SCSIRequest
) requests
;
68 int cdrom_read_toc(int nb_sectors
, uint8_t *buf
, int msf
, int start_track
);
69 int cdrom_read_toc_raw(int nb_sectors
, uint8_t *buf
, int msf
, int session_num
);
72 typedef int (*scsi_qdev_initfn
)(SCSIDevice
*dev
);
73 struct SCSIDeviceInfo
{
75 scsi_qdev_initfn init
;
76 void (*destroy
)(SCSIDevice
*s
);
77 SCSIRequest
*(*alloc_req
)(SCSIDevice
*s
, uint32_t tag
, uint32_t lun
,
79 void (*free_req
)(SCSIRequest
*req
);
80 int32_t (*send_command
)(SCSIRequest
*req
, uint8_t *buf
);
81 void (*read_data
)(SCSIRequest
*req
);
82 void (*write_data
)(SCSIRequest
*req
);
83 void (*cancel_io
)(SCSIRequest
*req
);
84 uint8_t *(*get_buf
)(SCSIRequest
*req
);
88 void (*transfer_data
)(SCSIRequest
*req
, uint32_t arg
);
89 void (*complete
)(SCSIRequest
*req
, uint32_t arg
);
90 void (*cancel
)(SCSIRequest
*req
);
98 const SCSIBusOps
*ops
;
100 SCSIDevice
*devs
[MAX_SCSI_DEVS
];
103 void scsi_bus_new(SCSIBus
*bus
, DeviceState
*host
, int tcq
, int ndev
,
104 const SCSIBusOps
*ops
);
105 void scsi_qdev_register(SCSIDeviceInfo
*info
);
107 static inline SCSIBus
*scsi_bus_from_device(SCSIDevice
*d
)
109 return DO_UPCAST(SCSIBus
, qbus
, d
->qdev
.parent_bus
);
112 SCSIDevice
*scsi_bus_legacy_add_drive(SCSIBus
*bus
, BlockDriverState
*bdrv
,
113 int unit
, bool removable
);
114 int scsi_bus_legacy_handle_cmdline(SCSIBus
*bus
);
117 * Predefined sense codes
120 /* No sense data available */
121 extern const struct SCSISense sense_code_NO_SENSE
;
122 /* LUN not ready, Manual intervention required */
123 extern const struct SCSISense sense_code_LUN_NOT_READY
;
124 /* LUN not ready, Medium not present */
125 extern const struct SCSISense sense_code_NO_MEDIUM
;
126 /* Hardware error, internal target failure */
127 extern const struct SCSISense sense_code_TARGET_FAILURE
;
128 /* Illegal request, invalid command operation code */
129 extern const struct SCSISense sense_code_INVALID_OPCODE
;
130 /* Illegal request, LBA out of range */
131 extern const struct SCSISense sense_code_LBA_OUT_OF_RANGE
;
132 /* Illegal request, Invalid field in CDB */
133 extern const struct SCSISense sense_code_INVALID_FIELD
;
134 /* Illegal request, LUN not supported */
135 extern const struct SCSISense sense_code_LUN_NOT_SUPPORTED
;
136 /* Command aborted, I/O process terminated */
137 extern const struct SCSISense sense_code_IO_ERROR
;
138 /* Command aborted, I_T Nexus loss occurred */
139 extern const struct SCSISense sense_code_I_T_NEXUS_LOSS
;
140 /* Command aborted, Logical Unit failure */
141 extern const struct SCSISense sense_code_LUN_FAILURE
;
143 #define SENSE_CODE(x) sense_code_ ## x
145 int scsi_sense_valid(SCSISense sense
);
147 SCSIRequest
*scsi_req_alloc(size_t size
, SCSIDevice
*d
, uint32_t tag
,
148 uint32_t lun
, void *hba_private
);
149 SCSIRequest
*scsi_req_new(SCSIDevice
*d
, uint32_t tag
, uint32_t lun
,
151 int32_t scsi_req_enqueue(SCSIRequest
*req
, uint8_t *buf
);
152 void scsi_req_free(SCSIRequest
*req
);
153 SCSIRequest
*scsi_req_ref(SCSIRequest
*req
);
154 void scsi_req_unref(SCSIRequest
*req
);
156 void scsi_req_build_sense(SCSIRequest
*req
, SCSISense sense
);
157 int scsi_req_parse(SCSIRequest
*req
, uint8_t *buf
);
158 void scsi_req_print(SCSIRequest
*req
);
159 void scsi_req_continue(SCSIRequest
*req
);
160 void scsi_req_data(SCSIRequest
*req
, int len
);
161 void scsi_req_complete(SCSIRequest
*req
, int status
);
162 uint8_t *scsi_req_get_buf(SCSIRequest
*req
);
163 int scsi_req_get_sense(SCSIRequest
*req
, uint8_t *buf
, int len
);
164 void scsi_req_abort(SCSIRequest
*req
, int status
);
165 void scsi_req_cancel(SCSIRequest
*req
);
166 void scsi_device_purge_requests(SCSIDevice
*sdev
);
167 int scsi_device_get_sense(SCSIDevice
*dev
, uint8_t *buf
, int len
, bool fixed
);