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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" |
43b443b6 | 6 | |
29362ebe GH |
7 | #define SCSI_CMD_BUF_SIZE 16 |
8 | ||
43b443b6 GH |
9 | /* scsi-disk.c */ |
10 | enum scsi_reason { | |
11 | SCSI_REASON_DONE, /* Command complete. */ | |
12 | SCSI_REASON_DATA /* Transfer complete, more data required. */ | |
13 | }; | |
14 | ||
15 | typedef struct SCSIBus SCSIBus; | |
16 | typedef struct SCSIDevice SCSIDevice; | |
17 | typedef struct SCSIDeviceInfo SCSIDeviceInfo; | |
18 | typedef void (*scsi_completionfn)(SCSIBus *bus, int reason, uint32_t tag, | |
19 | uint32_t arg); | |
20 | ||
97a06435 GH |
21 | enum SCSIXferMode { |
22 | SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */ | |
23 | SCSI_XFER_FROM_DEV, /* READ, INQUIRY, MODE_SENSE, ... */ | |
24 | SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */ | |
25 | }; | |
26 | ||
37659e51 GH |
27 | typedef struct SCSISense { |
28 | uint8_t key; | |
29 | } SCSISense; | |
30 | ||
4c41d2ef GH |
31 | typedef struct SCSIRequest { |
32 | SCSIBus *bus; | |
33 | SCSIDevice *dev; | |
34 | uint32_t tag; | |
89b08ae1 | 35 | uint32_t lun; |
ed3a34a3 | 36 | uint32_t status; |
29362ebe GH |
37 | struct { |
38 | uint8_t buf[SCSI_CMD_BUF_SIZE]; | |
39 | int len; | |
2ec749cb GH |
40 | size_t xfer; |
41 | uint64_t lba; | |
97a06435 | 42 | enum SCSIXferMode mode; |
29362ebe | 43 | } cmd; |
4c41d2ef | 44 | BlockDriverAIOCB *aiocb; |
9af99d98 | 45 | QTAILQ_ENTRY(SCSIRequest) next; |
4c41d2ef GH |
46 | } SCSIRequest; |
47 | ||
43b443b6 GH |
48 | struct SCSIDevice |
49 | { | |
50 | DeviceState qdev; | |
51 | uint32_t id; | |
251882b7 | 52 | DriveInfo *dinfo; |
43b443b6 | 53 | SCSIDeviceInfo *info; |
9af99d98 | 54 | QTAILQ_HEAD(, SCSIRequest) requests; |
b07995e3 | 55 | int blocksize; |
91376656 | 56 | int type; |
37659e51 | 57 | struct SCSISense sense; |
43b443b6 GH |
58 | }; |
59 | ||
60 | /* cdrom.c */ | |
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); | |
63 | ||
64 | /* scsi-bus.c */ | |
65 | typedef int (*scsi_qdev_initfn)(SCSIDevice *dev); | |
66 | struct SCSIDeviceInfo { | |
67 | DeviceInfo qdev; | |
68 | scsi_qdev_initfn init; | |
69 | void (*destroy)(SCSIDevice *s); | |
70 | int32_t (*send_command)(SCSIDevice *s, uint32_t tag, uint8_t *buf, | |
71 | int lun); | |
72 | void (*read_data)(SCSIDevice *s, uint32_t tag); | |
73 | int (*write_data)(SCSIDevice *s, uint32_t tag); | |
74 | void (*cancel_io)(SCSIDevice *s, uint32_t tag); | |
75 | uint8_t *(*get_buf)(SCSIDevice *s, uint32_t tag); | |
76 | }; | |
77 | ||
78 | typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, | |
79 | int unit); | |
80 | struct SCSIBus { | |
81 | BusState qbus; | |
82 | int busnr; | |
83 | ||
84 | int tcq, ndev; | |
85 | scsi_completionfn complete; | |
86 | ||
87 | SCSIDevice *devs[8]; | |
88 | }; | |
89 | ||
90 | void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev, | |
91 | scsi_completionfn complete); | |
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 | ||
99 | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, DriveInfo *dinfo, int unit); | |
100 | void scsi_bus_legacy_handle_cmdline(SCSIBus *bus); | |
101 | ||
37659e51 GH |
102 | void scsi_dev_clear_sense(SCSIDevice *dev); |
103 | void scsi_dev_set_sense(SCSIDevice *dev, uint8_t key); | |
104 | ||
89b08ae1 GH |
105 | SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun); |
106 | SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag); | |
107 | void scsi_req_free(SCSIRequest *req); | |
37659e51 | 108 | |
2ec749cb | 109 | int scsi_req_parse(SCSIRequest *req, uint8_t *buf); |
ed3a34a3 | 110 | void scsi_req_complete(SCSIRequest *req); |
89b08ae1 | 111 | |
43b443b6 | 112 | #endif |