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);
88 const SCSIBusOps *ops;
90 SCSIDevice *devs[MAX_SCSI_DEVS];
93 void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,
94 const SCSIBusOps *ops);
95 void scsi_qdev_register(SCSIDeviceInfo *info);
97 static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
99 return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
102 SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
103 int unit, bool removable);
104 int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
106 SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
107 void scsi_req_enqueue(SCSIRequest *req);
108 void scsi_req_free(SCSIRequest *req);
109 void scsi_req_dequeue(SCSIRequest *req);
110 SCSIRequest *scsi_req_ref(SCSIRequest *req);
111 void scsi_req_unref(SCSIRequest *req);
113 int scsi_req_parse(SCSIRequest *req, uint8_t *buf);
114 void scsi_req_print(SCSIRequest *req);
115 void scsi_req_data(SCSIRequest *req, int len);
116 void scsi_req_complete(SCSIRequest *req);