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1e37607b GH |
1 | #ifndef QEMU_HW_SCSI_H |
2 | #define QEMU_HW_SCSI_H | |
43b443b6 GH |
3 | |
4 | #include "qdev.h" | |
4c41d2ef | 5 | #include "block.h" |
428c149b | 6 | #include "block_int.h" |
43b443b6 | 7 | |
27d6bf40 MA |
8 | #define MAX_SCSI_DEVS 255 |
9 | ||
29362ebe GH |
10 | #define SCSI_CMD_BUF_SIZE 16 |
11 | ||
43b443b6 GH |
12 | /* scsi-disk.c */ |
13 | enum scsi_reason { | |
14 | SCSI_REASON_DONE, /* Command complete. */ | |
15 | SCSI_REASON_DATA /* Transfer complete, more data required. */ | |
16 | }; | |
17 | ||
18 | typedef struct SCSIBus SCSIBus; | |
cfdc1bb0 | 19 | typedef struct SCSIBusOps SCSIBusOps; |
43b443b6 GH |
20 | typedef struct SCSIDevice SCSIDevice; |
21 | typedef struct SCSIDeviceInfo SCSIDeviceInfo; | |
43b443b6 | 22 | |
97a06435 GH |
23 | enum SCSIXferMode { |
24 | SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */ | |
25 | SCSI_XFER_FROM_DEV, /* READ, INQUIRY, MODE_SENSE, ... */ | |
26 | SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */ | |
27 | }; | |
28 | ||
4c41d2ef GH |
29 | typedef struct SCSIRequest { |
30 | SCSIBus *bus; | |
31 | SCSIDevice *dev; | |
32 | uint32_t tag; | |
89b08ae1 | 33 | uint32_t lun; |
ed3a34a3 | 34 | uint32_t status; |
29362ebe GH |
35 | struct { |
36 | uint8_t buf[SCSI_CMD_BUF_SIZE]; | |
37 | int len; | |
2ec749cb GH |
38 | size_t xfer; |
39 | uint64_t lba; | |
97a06435 | 40 | enum SCSIXferMode mode; |
29362ebe | 41 | } cmd; |
4c41d2ef | 42 | BlockDriverAIOCB *aiocb; |
e8637c90 | 43 | bool enqueued; |
9af99d98 | 44 | QTAILQ_ENTRY(SCSIRequest) next; |
4c41d2ef GH |
45 | } SCSIRequest; |
46 | ||
43b443b6 GH |
47 | struct SCSIDevice |
48 | { | |
49 | DeviceState qdev; | |
50 | uint32_t id; | |
428c149b | 51 | BlockConf conf; |
43b443b6 | 52 | SCSIDeviceInfo *info; |
9af99d98 | 53 | QTAILQ_HEAD(, SCSIRequest) requests; |
b07995e3 | 54 | int blocksize; |
91376656 | 55 | int type; |
43b443b6 GH |
56 | }; |
57 | ||
58 | /* cdrom.c */ | |
59 | int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track); | |
60 | int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num); | |
61 | ||
62 | /* scsi-bus.c */ | |
63 | typedef int (*scsi_qdev_initfn)(SCSIDevice *dev); | |
64 | struct SCSIDeviceInfo { | |
65 | DeviceInfo qdev; | |
66 | scsi_qdev_initfn init; | |
67 | void (*destroy)(SCSIDevice *s); | |
68 | int32_t (*send_command)(SCSIDevice *s, uint32_t tag, uint8_t *buf, | |
69 | int lun); | |
70 | void (*read_data)(SCSIDevice *s, uint32_t tag); | |
71 | int (*write_data)(SCSIDevice *s, uint32_t tag); | |
72 | void (*cancel_io)(SCSIDevice *s, uint32_t tag); | |
73 | uint8_t *(*get_buf)(SCSIDevice *s, uint32_t tag); | |
74 | }; | |
75 | ||
cfdc1bb0 PB |
76 | struct SCSIBusOps { |
77 | void (*complete)(SCSIBus *bus, int reason, uint32_t tag, uint32_t arg); | |
78 | }; | |
79 | ||
43b443b6 GH |
80 | struct SCSIBus { |
81 | BusState qbus; | |
82 | int busnr; | |
83 | ||
84 | int tcq, ndev; | |
cfdc1bb0 | 85 | const SCSIBusOps *ops; |
43b443b6 | 86 | |
622b520f | 87 | SCSIDevice *devs[MAX_SCSI_DEVS]; |
43b443b6 GH |
88 | }; |
89 | ||
90 | void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev, | |
cfdc1bb0 | 91 | const SCSIBusOps *ops); |
43b443b6 GH |
92 | void scsi_qdev_register(SCSIDeviceInfo *info); |
93 | ||
94 | static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d) | |
95 | { | |
96 | return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus); | |
97 | } | |
98 | ||
2d1fd261 SH |
99 | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, |
100 | int unit, bool removable); | |
fa66b909 | 101 | int scsi_bus_legacy_handle_cmdline(SCSIBus *bus); |
43b443b6 | 102 | |
89b08ae1 GH |
103 | SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun); |
104 | SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag); | |
105 | void scsi_req_free(SCSIRequest *req); | |
37659e51 | 106 | |
2ec749cb | 107 | int scsi_req_parse(SCSIRequest *req, uint8_t *buf); |
ec766865 | 108 | void scsi_req_print(SCSIRequest *req); |
ab9adc88 | 109 | void scsi_req_data(SCSIRequest *req, int len); |
ed3a34a3 | 110 | void scsi_req_complete(SCSIRequest *req); |
89b08ae1 | 111 | |
43b443b6 | 112 | #endif |