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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 | 71544d30 | Paolo Bonzini | #include "sysemu.h" |
7 | 43b443b6 | Gerd Hoffmann | |
8 | 27d6bf40 | Markus Armbruster | #define MAX_SCSI_DEVS 255 |
9 | 27d6bf40 | Markus Armbruster | |
10 | 29362ebe | Gerd Hoffmann | #define SCSI_CMD_BUF_SIZE 16 |
11 | 29362ebe | Gerd Hoffmann | |
12 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIBus SCSIBus; |
13 | afd4030c | Paolo Bonzini | typedef struct SCSIBusInfo SCSIBusInfo; |
14 | 2599aece | Paolo Bonzini | typedef struct SCSICommand SCSICommand; |
15 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIDevice SCSIDevice; |
16 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIDeviceInfo SCSIDeviceInfo; |
17 | 5c6c0e51 | Hannes Reinecke | typedef struct SCSIRequest SCSIRequest; |
18 | 8dbd4574 | Paolo Bonzini | typedef struct SCSIReqOps SCSIReqOps; |
19 | 43b443b6 | Gerd Hoffmann | |
20 | 97a06435 | Gerd Hoffmann | enum SCSIXferMode {
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21 | 97a06435 | Gerd Hoffmann | SCSI_XFER_NONE, /* TEST_UNIT_READY, ... */
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22 | 97a06435 | Gerd Hoffmann | SCSI_XFER_FROM_DEV, /* READ, INQUIRY, MODE_SENSE, ... */
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23 | 97a06435 | Gerd Hoffmann | SCSI_XFER_TO_DEV, /* WRITE, MODE_SELECT, ... */
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24 | 97a06435 | Gerd Hoffmann | }; |
25 | 97a06435 | Gerd Hoffmann | |
26 | a1f0cce2 | Hannes Reinecke | typedef struct SCSISense { |
27 | a1f0cce2 | Hannes Reinecke | uint8_t key; |
28 | a1f0cce2 | Hannes Reinecke | uint8_t asc; |
29 | a1f0cce2 | Hannes Reinecke | uint8_t ascq; |
30 | a1f0cce2 | Hannes Reinecke | } SCSISense; |
31 | a1f0cce2 | Hannes Reinecke | |
32 | b45ef674 | Paolo Bonzini | #define SCSI_SENSE_BUF_SIZE 96 |
33 | b45ef674 | Paolo Bonzini | |
34 | 2599aece | Paolo Bonzini | struct SCSICommand {
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35 | 2599aece | Paolo Bonzini | uint8_t buf[SCSI_CMD_BUF_SIZE]; |
36 | 2599aece | Paolo Bonzini | int len;
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37 | 2599aece | Paolo Bonzini | size_t xfer; |
38 | 2599aece | Paolo Bonzini | uint64_t lba; |
39 | 2599aece | Paolo Bonzini | enum SCSIXferMode mode;
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40 | 2599aece | Paolo Bonzini | }; |
41 | 2599aece | Paolo Bonzini | |
42 | 5c6c0e51 | Hannes Reinecke | struct SCSIRequest {
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43 | 4c41d2ef | Gerd Hoffmann | SCSIBus *bus; |
44 | 4c41d2ef | Gerd Hoffmann | SCSIDevice *dev; |
45 | adcf2754 | Paolo Bonzini | const SCSIReqOps *ops;
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46 | ad2d30f7 | Paolo Bonzini | uint32_t refcount; |
47 | 4c41d2ef | Gerd Hoffmann | uint32_t tag; |
48 | 89b08ae1 | Gerd Hoffmann | uint32_t lun; |
49 | ed3a34a3 | Gerd Hoffmann | uint32_t status; |
50 | 2599aece | Paolo Bonzini | SCSICommand cmd; |
51 | 4c41d2ef | Gerd Hoffmann | BlockDriverAIOCB *aiocb; |
52 | b45ef674 | Paolo Bonzini | uint8_t sense[SCSI_SENSE_BUF_SIZE]; |
53 | b45ef674 | Paolo Bonzini | uint32_t sense_len; |
54 | e8637c90 | Jan Kiszka | bool enqueued;
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55 | e88c591d | Paolo Bonzini | bool io_canceled;
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56 | 71544d30 | Paolo Bonzini | bool retry;
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57 | c5bf71a9 | Hannes Reinecke | void *hba_private;
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58 | 9af99d98 | Gerd Hoffmann | QTAILQ_ENTRY(SCSIRequest) next; |
59 | 5c6c0e51 | Hannes Reinecke | }; |
60 | 4c41d2ef | Gerd Hoffmann | |
61 | 43b443b6 | Gerd Hoffmann | struct SCSIDevice
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62 | 43b443b6 | Gerd Hoffmann | { |
63 | 43b443b6 | Gerd Hoffmann | DeviceState qdev; |
64 | 71544d30 | Paolo Bonzini | VMChangeStateEntry *vmsentry; |
65 | 71544d30 | Paolo Bonzini | QEMUBH *bh; |
66 | 43b443b6 | Gerd Hoffmann | uint32_t id; |
67 | 428c149b | Christoph Hellwig | BlockConf conf; |
68 | 43b443b6 | Gerd Hoffmann | SCSIDeviceInfo *info; |
69 | 6dc06f08 | Paolo Bonzini | SCSISense unit_attention; |
70 | 3653d8c4 | Paolo Bonzini | bool sense_is_ua;
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71 | b45ef674 | Paolo Bonzini | uint8_t sense[SCSI_SENSE_BUF_SIZE]; |
72 | b45ef674 | Paolo Bonzini | uint32_t sense_len; |
73 | 9af99d98 | Gerd Hoffmann | QTAILQ_HEAD(, SCSIRequest) requests; |
74 | 0d3545e7 | Paolo Bonzini | uint32_t channel; |
75 | 87dcd1b2 | Paolo Bonzini | uint32_t lun; |
76 | b07995e3 | Gerd Hoffmann | int blocksize;
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77 | 91376656 | Gerd Hoffmann | int type;
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78 | 7877903a | Paolo Bonzini | uint64_t max_lba; |
79 | 43b443b6 | Gerd Hoffmann | }; |
80 | 43b443b6 | Gerd Hoffmann | |
81 | 43b443b6 | Gerd Hoffmann | /* cdrom.c */
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82 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track); |
83 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num); |
84 | 43b443b6 | Gerd Hoffmann | |
85 | 43b443b6 | Gerd Hoffmann | /* scsi-bus.c */
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86 | 8dbd4574 | Paolo Bonzini | struct SCSIReqOps {
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87 | 8dbd4574 | Paolo Bonzini | size_t size; |
88 | 12010e7b | Paolo Bonzini | void (*free_req)(SCSIRequest *req);
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89 | 12010e7b | Paolo Bonzini | int32_t (*send_command)(SCSIRequest *req, uint8_t *buf); |
90 | 12010e7b | Paolo Bonzini | void (*read_data)(SCSIRequest *req);
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91 | 12010e7b | Paolo Bonzini | void (*write_data)(SCSIRequest *req);
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92 | 12010e7b | Paolo Bonzini | void (*cancel_io)(SCSIRequest *req);
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93 | 12010e7b | Paolo Bonzini | uint8_t *(*get_buf)(SCSIRequest *req); |
94 | 8dbd4574 | Paolo Bonzini | }; |
95 | 8dbd4574 | Paolo Bonzini | |
96 | 43b443b6 | Gerd Hoffmann | typedef int (*scsi_qdev_initfn)(SCSIDevice *dev); |
97 | 43b443b6 | Gerd Hoffmann | struct SCSIDeviceInfo {
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98 | 43b443b6 | Gerd Hoffmann | DeviceInfo qdev; |
99 | 43b443b6 | Gerd Hoffmann | scsi_qdev_initfn init; |
100 | 43b443b6 | Gerd Hoffmann | void (*destroy)(SCSIDevice *s);
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101 | c5bf71a9 | Hannes Reinecke | SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun, |
102 | 63db0f0e | Paolo Bonzini | uint8_t *buf, void *hba_private);
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103 | 3653d8c4 | Paolo Bonzini | void (*unit_attention_reported)(SCSIDevice *s);
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104 | 43b443b6 | Gerd Hoffmann | }; |
105 | 43b443b6 | Gerd Hoffmann | |
106 | afd4030c | Paolo Bonzini | struct SCSIBusInfo {
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107 | 7e0380b9 | Paolo Bonzini | int tcq;
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108 | 0d3545e7 | Paolo Bonzini | int max_channel, max_target, max_lun;
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109 | c6df7102 | Paolo Bonzini | void (*transfer_data)(SCSIRequest *req, uint32_t arg);
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110 | c6df7102 | Paolo Bonzini | void (*complete)(SCSIRequest *req, uint32_t arg);
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111 | 94d3f98a | Paolo Bonzini | void (*cancel)(SCSIRequest *req);
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112 | cfdc1bb0 | Paolo Bonzini | }; |
113 | cfdc1bb0 | Paolo Bonzini | |
114 | 43b443b6 | Gerd Hoffmann | struct SCSIBus {
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115 | 43b443b6 | Gerd Hoffmann | BusState qbus; |
116 | 43b443b6 | Gerd Hoffmann | int busnr;
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117 | 43b443b6 | Gerd Hoffmann | |
118 | 6dc06f08 | Paolo Bonzini | SCSISense unit_attention; |
119 | afd4030c | Paolo Bonzini | const SCSIBusInfo *info;
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120 | 43b443b6 | Gerd Hoffmann | }; |
121 | 43b443b6 | Gerd Hoffmann | |
122 | afd4030c | Paolo Bonzini | void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info); |
123 | 43b443b6 | Gerd Hoffmann | void scsi_qdev_register(SCSIDeviceInfo *info);
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124 | 43b443b6 | Gerd Hoffmann | |
125 | 43b443b6 | Gerd Hoffmann | static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d) |
126 | 43b443b6 | Gerd Hoffmann | { |
127 | 43b443b6 | Gerd Hoffmann | return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
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128 | 43b443b6 | Gerd Hoffmann | } |
129 | 43b443b6 | Gerd Hoffmann | |
130 | 2d1fd261 | Stefan Hajnoczi | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, |
131 | 2d1fd261 | Stefan Hajnoczi | int unit, bool removable); |
132 | fa66b909 | Markus Armbruster | int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
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133 | 43b443b6 | Gerd Hoffmann | |
134 | a1f0cce2 | Hannes Reinecke | /*
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135 | a1f0cce2 | Hannes Reinecke | * Predefined sense codes
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136 | a1f0cce2 | Hannes Reinecke | */
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137 | a1f0cce2 | Hannes Reinecke | |
138 | a1f0cce2 | Hannes Reinecke | /* No sense data available */
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139 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_NO_SENSE; |
140 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Manual intervention required */
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141 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_NOT_READY; |
142 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Medium not present */
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143 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_NO_MEDIUM; |
144 | 68bb01f3 | Markus Armbruster | /* LUN not ready, medium removal prevented */
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145 | 68bb01f3 | Markus Armbruster | extern const struct SCSISense sense_code_NOT_READY_REMOVAL_PREVENTED; |
146 | a1f0cce2 | Hannes Reinecke | /* Hardware error, internal target failure */
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147 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_TARGET_FAILURE; |
148 | a1f0cce2 | Hannes Reinecke | /* Illegal request, invalid command operation code */
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149 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_INVALID_OPCODE; |
150 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LBA out of range */
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151 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LBA_OUT_OF_RANGE; |
152 | a1f0cce2 | Hannes Reinecke | /* Illegal request, Invalid field in CDB */
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153 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_INVALID_FIELD; |
154 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LUN not supported */
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155 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_NOT_SUPPORTED; |
156 | a872a304 | Paolo Bonzini | /* Illegal request, Saving parameters not supported */
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157 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_SAVING_PARAMS_NOT_SUPPORTED; |
158 | a872a304 | Paolo Bonzini | /* Illegal request, Incompatible format */
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159 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_INCOMPATIBLE_FORMAT; |
160 | 68bb01f3 | Markus Armbruster | /* Illegal request, medium removal prevented */
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161 | 68bb01f3 | Markus Armbruster | extern const struct SCSISense sense_code_ILLEGAL_REQ_REMOVAL_PREVENTED; |
162 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I/O process terminated */
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163 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_IO_ERROR; |
164 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I_T Nexus loss occurred */
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165 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_I_T_NEXUS_LOSS; |
166 | a1f0cce2 | Hannes Reinecke | /* Command aborted, Logical Unit failure */
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167 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_FAILURE; |
168 | 8a9c16f6 | Paolo Bonzini | /* LUN not ready, Medium not present */
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169 | 8a9c16f6 | Paolo Bonzini | extern const struct SCSISense sense_code_UNIT_ATTENTION_NO_MEDIUM; |
170 | a872a304 | Paolo Bonzini | /* Unit attention, Power on, reset or bus device reset occurred */
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171 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_RESET; |
172 | a872a304 | Paolo Bonzini | /* Unit attention, Medium may have changed*/
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173 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_MEDIUM_CHANGED; |
174 | a872a304 | Paolo Bonzini | /* Unit attention, Reported LUNs data has changed */
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175 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_REPORTED_LUNS_CHANGED; |
176 | a872a304 | Paolo Bonzini | /* Unit attention, Device internal reset */
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177 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET; |
178 | a1f0cce2 | Hannes Reinecke | |
179 | a1f0cce2 | Hannes Reinecke | #define SENSE_CODE(x) sense_code_ ## x |
180 | a1f0cce2 | Hannes Reinecke | |
181 | a1f0cce2 | Hannes Reinecke | int scsi_sense_valid(SCSISense sense);
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182 | f3b338ef | Paolo Bonzini | int scsi_build_sense(uint8_t *in_buf, int in_len, |
183 | f3b338ef | Paolo Bonzini | uint8_t *buf, int len, bool fixed); |
184 | a1f0cce2 | Hannes Reinecke | |
185 | adcf2754 | Paolo Bonzini | SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
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186 | adcf2754 | Paolo Bonzini | uint32_t tag, uint32_t lun, void *hba_private);
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187 | c5bf71a9 | Hannes Reinecke | SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun, |
188 | c39ce112 | Paolo Bonzini | uint8_t *buf, void *hba_private);
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189 | c39ce112 | Paolo Bonzini | int32_t scsi_req_enqueue(SCSIRequest *req); |
190 | 89b08ae1 | Gerd Hoffmann | void scsi_req_free(SCSIRequest *req);
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191 | ad2d30f7 | Paolo Bonzini | SCSIRequest *scsi_req_ref(SCSIRequest *req); |
192 | ad2d30f7 | Paolo Bonzini | void scsi_req_unref(SCSIRequest *req);
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193 | 37659e51 | Gerd Hoffmann | |
194 | b45ef674 | Paolo Bonzini | void scsi_req_build_sense(SCSIRequest *req, SCSISense sense);
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195 | ec766865 | Gerd Hoffmann | void scsi_req_print(SCSIRequest *req);
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196 | ad3376cc | Paolo Bonzini | void scsi_req_continue(SCSIRequest *req);
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197 | ab9adc88 | Paolo Bonzini | void scsi_req_data(SCSIRequest *req, int len); |
198 | 682a9b21 | Paolo Bonzini | void scsi_req_complete(SCSIRequest *req, int status); |
199 | 0c34459b | Paolo Bonzini | uint8_t *scsi_req_get_buf(SCSIRequest *req); |
200 | 74382217 | Hannes Reinecke | int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len); |
201 | 19d110ab | Paolo Bonzini | void scsi_req_abort(SCSIRequest *req, int status); |
202 | 94d3f98a | Paolo Bonzini | void scsi_req_cancel(SCSIRequest *req);
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203 | 71544d30 | Paolo Bonzini | void scsi_req_retry(SCSIRequest *req);
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204 | c7b48872 | Paolo Bonzini | void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
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205 | b45ef674 | Paolo Bonzini | int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed); |
206 | 0d3545e7 | Paolo Bonzini | SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun); |
207 | 89b08ae1 | Gerd Hoffmann | |
208 | 765d1525 | Paolo Bonzini | /* scsi-generic.c. */
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209 | 765d1525 | Paolo Bonzini | extern const SCSIReqOps scsi_generic_req_ops; |
210 | 765d1525 | Paolo Bonzini | |
211 | 43b443b6 | Gerd Hoffmann | #endif |