root / hw / scsi.h @ 8ec68b06
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1 | 1e37607b | Gerd Hoffmann | #ifndef QEMU_HW_SCSI_H
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2 | 1e37607b | Gerd Hoffmann | #define QEMU_HW_SCSI_H
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3 | 43b443b6 | Gerd Hoffmann | |
4 | 43b443b6 | Gerd Hoffmann | #include "qdev.h" |
5 | 4c41d2ef | Gerd Hoffmann | #include "block.h" |
6 | 428c149b | Christoph Hellwig | #include "block_int.h" |
7 | 43b443b6 | Gerd Hoffmann | |
8 | 29362ebe | Gerd Hoffmann | #define SCSI_CMD_BUF_SIZE 16 |
9 | 29362ebe | Gerd Hoffmann | |
10 | 43b443b6 | Gerd Hoffmann | /* scsi-disk.c */
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11 | 43b443b6 | Gerd Hoffmann | enum scsi_reason {
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12 | 43b443b6 | Gerd Hoffmann | SCSI_REASON_DONE, /* Command complete. */
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13 | 43b443b6 | Gerd Hoffmann | SCSI_REASON_DATA /* Transfer complete, more data required. */
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14 | 43b443b6 | Gerd Hoffmann | }; |
15 | 43b443b6 | Gerd Hoffmann | |
16 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIBus SCSIBus; |
17 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIDevice SCSIDevice; |
18 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIDeviceInfo SCSIDeviceInfo; |
19 | 43b443b6 | Gerd Hoffmann | typedef void (*scsi_completionfn)(SCSIBus *bus, int reason, uint32_t tag, |
20 | 43b443b6 | Gerd Hoffmann | uint32_t arg); |
21 | 43b443b6 | Gerd Hoffmann | |
22 | 97a06435 | Gerd Hoffmann | enum SCSIXferMode {
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23 | 97a06435 | Gerd Hoffmann | SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */
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24 | 97a06435 | Gerd Hoffmann | SCSI_XFER_FROM_DEV, /* READ, INQUIRY, MODE_SENSE, ... */
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25 | 97a06435 | Gerd Hoffmann | SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */
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26 | 97a06435 | Gerd Hoffmann | }; |
27 | 97a06435 | Gerd Hoffmann | |
28 | 37659e51 | Gerd Hoffmann | typedef struct SCSISense { |
29 | 37659e51 | Gerd Hoffmann | uint8_t key; |
30 | 37659e51 | Gerd Hoffmann | } SCSISense; |
31 | 37659e51 | Gerd Hoffmann | |
32 | 4c41d2ef | Gerd Hoffmann | typedef struct SCSIRequest { |
33 | 4c41d2ef | Gerd Hoffmann | SCSIBus *bus; |
34 | 4c41d2ef | Gerd Hoffmann | SCSIDevice *dev; |
35 | 4c41d2ef | Gerd Hoffmann | uint32_t tag; |
36 | 89b08ae1 | Gerd Hoffmann | uint32_t lun; |
37 | ed3a34a3 | Gerd Hoffmann | uint32_t status; |
38 | 29362ebe | Gerd Hoffmann | struct {
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39 | 29362ebe | Gerd Hoffmann | uint8_t buf[SCSI_CMD_BUF_SIZE]; |
40 | 29362ebe | Gerd Hoffmann | int len;
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41 | 2ec749cb | Gerd Hoffmann | size_t xfer; |
42 | 2ec749cb | Gerd Hoffmann | uint64_t lba; |
43 | 97a06435 | Gerd Hoffmann | enum SCSIXferMode mode;
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44 | 29362ebe | Gerd Hoffmann | } cmd; |
45 | 4c41d2ef | Gerd Hoffmann | BlockDriverAIOCB *aiocb; |
46 | 9af99d98 | Gerd Hoffmann | QTAILQ_ENTRY(SCSIRequest) next; |
47 | 4c41d2ef | Gerd Hoffmann | } SCSIRequest; |
48 | 4c41d2ef | Gerd Hoffmann | |
49 | 43b443b6 | Gerd Hoffmann | struct SCSIDevice
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50 | 43b443b6 | Gerd Hoffmann | { |
51 | 43b443b6 | Gerd Hoffmann | DeviceState qdev; |
52 | 43b443b6 | Gerd Hoffmann | uint32_t id; |
53 | 428c149b | Christoph Hellwig | BlockConf conf; |
54 | 43b443b6 | Gerd Hoffmann | SCSIDeviceInfo *info; |
55 | 9af99d98 | Gerd Hoffmann | QTAILQ_HEAD(, SCSIRequest) requests; |
56 | b07995e3 | Gerd Hoffmann | int blocksize;
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57 | 91376656 | Gerd Hoffmann | int type;
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58 | 37659e51 | Gerd Hoffmann | struct SCSISense sense;
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59 | 43b443b6 | Gerd Hoffmann | }; |
60 | 43b443b6 | Gerd Hoffmann | |
61 | 43b443b6 | Gerd Hoffmann | /* cdrom.c */
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62 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track); |
63 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num); |
64 | 43b443b6 | Gerd Hoffmann | |
65 | 43b443b6 | Gerd Hoffmann | /* scsi-bus.c */
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66 | 43b443b6 | Gerd Hoffmann | typedef int (*scsi_qdev_initfn)(SCSIDevice *dev); |
67 | 43b443b6 | Gerd Hoffmann | struct SCSIDeviceInfo {
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68 | 43b443b6 | Gerd Hoffmann | DeviceInfo qdev; |
69 | 43b443b6 | Gerd Hoffmann | scsi_qdev_initfn init; |
70 | 43b443b6 | Gerd Hoffmann | void (*destroy)(SCSIDevice *s);
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71 | 43b443b6 | Gerd Hoffmann | int32_t (*send_command)(SCSIDevice *s, uint32_t tag, uint8_t *buf, |
72 | 43b443b6 | Gerd Hoffmann | int lun);
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73 | 43b443b6 | Gerd Hoffmann | void (*read_data)(SCSIDevice *s, uint32_t tag);
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74 | 43b443b6 | Gerd Hoffmann | int (*write_data)(SCSIDevice *s, uint32_t tag);
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75 | 43b443b6 | Gerd Hoffmann | void (*cancel_io)(SCSIDevice *s, uint32_t tag);
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76 | 43b443b6 | Gerd Hoffmann | uint8_t *(*get_buf)(SCSIDevice *s, uint32_t tag); |
77 | 43b443b6 | Gerd Hoffmann | }; |
78 | 43b443b6 | Gerd Hoffmann | |
79 | 43b443b6 | Gerd Hoffmann | typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, |
80 | 43b443b6 | Gerd Hoffmann | int unit);
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81 | 43b443b6 | Gerd Hoffmann | struct SCSIBus {
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82 | 43b443b6 | Gerd Hoffmann | BusState qbus; |
83 | 43b443b6 | Gerd Hoffmann | int busnr;
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84 | 43b443b6 | Gerd Hoffmann | |
85 | 43b443b6 | Gerd Hoffmann | int tcq, ndev;
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86 | 43b443b6 | Gerd Hoffmann | scsi_completionfn complete; |
87 | 43b443b6 | Gerd Hoffmann | |
88 | 43b443b6 | Gerd Hoffmann | SCSIDevice *devs[8];
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89 | 43b443b6 | Gerd Hoffmann | }; |
90 | 43b443b6 | Gerd Hoffmann | |
91 | 43b443b6 | Gerd Hoffmann | void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev, |
92 | 43b443b6 | Gerd Hoffmann | scsi_completionfn complete); |
93 | 43b443b6 | Gerd Hoffmann | void scsi_qdev_register(SCSIDeviceInfo *info);
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94 | 43b443b6 | Gerd Hoffmann | |
95 | 43b443b6 | Gerd Hoffmann | static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d) |
96 | 43b443b6 | Gerd Hoffmann | { |
97 | 43b443b6 | Gerd Hoffmann | return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
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98 | 43b443b6 | Gerd Hoffmann | } |
99 | 43b443b6 | Gerd Hoffmann | |
100 | 43b443b6 | Gerd Hoffmann | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, DriveInfo *dinfo, int unit);
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101 | 43b443b6 | Gerd Hoffmann | void scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
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102 | 43b443b6 | Gerd Hoffmann | |
103 | 37659e51 | Gerd Hoffmann | void scsi_dev_clear_sense(SCSIDevice *dev);
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104 | 37659e51 | Gerd Hoffmann | void scsi_dev_set_sense(SCSIDevice *dev, uint8_t key);
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105 | 37659e51 | Gerd Hoffmann | |
106 | 89b08ae1 | Gerd Hoffmann | SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun); |
107 | 89b08ae1 | Gerd Hoffmann | SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag); |
108 | 89b08ae1 | Gerd Hoffmann | void scsi_req_free(SCSIRequest *req);
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109 | 37659e51 | Gerd Hoffmann | |
110 | 2ec749cb | Gerd Hoffmann | int scsi_req_parse(SCSIRequest *req, uint8_t *buf);
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111 | ec766865 | Gerd Hoffmann | void scsi_req_print(SCSIRequest *req);
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112 | ed3a34a3 | Gerd Hoffmann | void scsi_req_complete(SCSIRequest *req);
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113 | 89b08ae1 | Gerd Hoffmann | |
114 | 43b443b6 | Gerd Hoffmann | #endif |