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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 | 31e404f4 | Markus Armbruster | #include "hw/block-common.h" |
7 | 71544d30 | Paolo Bonzini | #include "sysemu.h" |
8 | 43b443b6 | Gerd Hoffmann | |
9 | 27d6bf40 | Markus Armbruster | #define MAX_SCSI_DEVS 255 |
10 | 27d6bf40 | Markus Armbruster | |
11 | 29362ebe | Gerd Hoffmann | #define SCSI_CMD_BUF_SIZE 16 |
12 | 29362ebe | Gerd Hoffmann | |
13 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIBus SCSIBus; |
14 | afd4030c | Paolo Bonzini | typedef struct SCSIBusInfo SCSIBusInfo; |
15 | 2599aece | Paolo Bonzini | typedef struct SCSICommand SCSICommand; |
16 | 43b443b6 | Gerd Hoffmann | typedef struct SCSIDevice SCSIDevice; |
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 | 01e95455 | Paolo Bonzini | size_t resid; |
51 | 2599aece | Paolo Bonzini | SCSICommand cmd; |
52 | 4c41d2ef | Gerd Hoffmann | BlockDriverAIOCB *aiocb; |
53 | 3d5aba97 | Paolo Bonzini | QEMUSGList *sg; |
54 | 3d5aba97 | Paolo Bonzini | bool dma_started;
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55 | b45ef674 | Paolo Bonzini | uint8_t sense[SCSI_SENSE_BUF_SIZE]; |
56 | b45ef674 | Paolo Bonzini | uint32_t sense_len; |
57 | e8637c90 | Jan Kiszka | bool enqueued;
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58 | e88c591d | Paolo Bonzini | bool io_canceled;
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59 | 71544d30 | Paolo Bonzini | bool retry;
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60 | c5bf71a9 | Hannes Reinecke | void *hba_private;
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61 | 9af99d98 | Gerd Hoffmann | QTAILQ_ENTRY(SCSIRequest) next; |
62 | 5c6c0e51 | Hannes Reinecke | }; |
63 | 4c41d2ef | Gerd Hoffmann | |
64 | b9eea3e6 | Anthony Liguori | #define TYPE_SCSI_DEVICE "scsi-device" |
65 | b9eea3e6 | Anthony Liguori | #define SCSI_DEVICE(obj) \
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66 | b9eea3e6 | Anthony Liguori | OBJECT_CHECK(SCSIDevice, (obj), TYPE_SCSI_DEVICE) |
67 | b9eea3e6 | Anthony Liguori | #define SCSI_DEVICE_CLASS(klass) \
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68 | b9eea3e6 | Anthony Liguori | OBJECT_CLASS_CHECK(SCSIDeviceClass, (klass), TYPE_SCSI_DEVICE) |
69 | b9eea3e6 | Anthony Liguori | #define SCSI_DEVICE_GET_CLASS(obj) \
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70 | b9eea3e6 | Anthony Liguori | OBJECT_GET_CLASS(SCSIDeviceClass, (obj), TYPE_SCSI_DEVICE) |
71 | b9eea3e6 | Anthony Liguori | |
72 | b9eea3e6 | Anthony Liguori | typedef struct SCSIDeviceClass { |
73 | b9eea3e6 | Anthony Liguori | DeviceClass parent_class; |
74 | b9eea3e6 | Anthony Liguori | int (*init)(SCSIDevice *dev);
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75 | b9eea3e6 | Anthony Liguori | void (*destroy)(SCSIDevice *s);
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76 | b9eea3e6 | Anthony Liguori | SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun, |
77 | b9eea3e6 | Anthony Liguori | uint8_t *buf, void *hba_private);
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78 | b9eea3e6 | Anthony Liguori | void (*unit_attention_reported)(SCSIDevice *s);
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79 | b9eea3e6 | Anthony Liguori | } SCSIDeviceClass; |
80 | b9eea3e6 | Anthony Liguori | |
81 | 43b443b6 | Gerd Hoffmann | struct SCSIDevice
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82 | 43b443b6 | Gerd Hoffmann | { |
83 | 43b443b6 | Gerd Hoffmann | DeviceState qdev; |
84 | 71544d30 | Paolo Bonzini | VMChangeStateEntry *vmsentry; |
85 | 71544d30 | Paolo Bonzini | QEMUBH *bh; |
86 | 43b443b6 | Gerd Hoffmann | uint32_t id; |
87 | 428c149b | Christoph Hellwig | BlockConf conf; |
88 | 6dc06f08 | Paolo Bonzini | SCSISense unit_attention; |
89 | 3653d8c4 | Paolo Bonzini | bool sense_is_ua;
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90 | b45ef674 | Paolo Bonzini | uint8_t sense[SCSI_SENSE_BUF_SIZE]; |
91 | b45ef674 | Paolo Bonzini | uint32_t sense_len; |
92 | 9af99d98 | Gerd Hoffmann | QTAILQ_HEAD(, SCSIRequest) requests; |
93 | 0d3545e7 | Paolo Bonzini | uint32_t channel; |
94 | 87dcd1b2 | Paolo Bonzini | uint32_t lun; |
95 | b07995e3 | Gerd Hoffmann | int blocksize;
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96 | 91376656 | Gerd Hoffmann | int type;
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97 | 7877903a | Paolo Bonzini | uint64_t max_lba; |
98 | 43b443b6 | Gerd Hoffmann | }; |
99 | 43b443b6 | Gerd Hoffmann | |
100 | 63f740dd | Paolo Bonzini | extern const VMStateDescription vmstate_scsi_device; |
101 | 63f740dd | Paolo Bonzini | |
102 | 63f740dd | Paolo Bonzini | #define VMSTATE_SCSI_DEVICE(_field, _state) { \
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103 | 63f740dd | Paolo Bonzini | .name = (stringify(_field)), \ |
104 | 63f740dd | Paolo Bonzini | .size = sizeof(SCSIDevice), \
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105 | 63f740dd | Paolo Bonzini | .vmsd = &vmstate_scsi_device, \ |
106 | 63f740dd | Paolo Bonzini | .flags = VMS_STRUCT, \ |
107 | 63f740dd | Paolo Bonzini | .offset = vmstate_offset_value(_state, _field, SCSIDevice), \ |
108 | 63f740dd | Paolo Bonzini | } |
109 | 63f740dd | Paolo Bonzini | |
110 | 43b443b6 | Gerd Hoffmann | /* cdrom.c */
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111 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track); |
112 | 43b443b6 | Gerd Hoffmann | int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num); |
113 | 43b443b6 | Gerd Hoffmann | |
114 | 43b443b6 | Gerd Hoffmann | /* scsi-bus.c */
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115 | 8dbd4574 | Paolo Bonzini | struct SCSIReqOps {
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116 | 8dbd4574 | Paolo Bonzini | size_t size; |
117 | 12010e7b | Paolo Bonzini | void (*free_req)(SCSIRequest *req);
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118 | 12010e7b | Paolo Bonzini | int32_t (*send_command)(SCSIRequest *req, uint8_t *buf); |
119 | 12010e7b | Paolo Bonzini | void (*read_data)(SCSIRequest *req);
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120 | 12010e7b | Paolo Bonzini | void (*write_data)(SCSIRequest *req);
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121 | 12010e7b | Paolo Bonzini | void (*cancel_io)(SCSIRequest *req);
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122 | 12010e7b | Paolo Bonzini | uint8_t *(*get_buf)(SCSIRequest *req); |
123 | 63f740dd | Paolo Bonzini | |
124 | 63f740dd | Paolo Bonzini | void (*save_request)(QEMUFile *f, SCSIRequest *req);
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125 | 63f740dd | Paolo Bonzini | void (*load_request)(QEMUFile *f, SCSIRequest *req);
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126 | 8dbd4574 | Paolo Bonzini | }; |
127 | 8dbd4574 | Paolo Bonzini | |
128 | afd4030c | Paolo Bonzini | struct SCSIBusInfo {
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129 | 7e0380b9 | Paolo Bonzini | int tcq;
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130 | 0d3545e7 | Paolo Bonzini | int max_channel, max_target, max_lun;
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131 | c6df7102 | Paolo Bonzini | void (*transfer_data)(SCSIRequest *req, uint32_t arg);
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132 | 01e95455 | Paolo Bonzini | void (*complete)(SCSIRequest *req, uint32_t arg, size_t resid);
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133 | 94d3f98a | Paolo Bonzini | void (*cancel)(SCSIRequest *req);
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134 | 350e6e41 | Cong Meng | void (*hotplug)(SCSIBus *bus, SCSIDevice *dev);
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135 | 350e6e41 | Cong Meng | void (*hot_unplug)(SCSIBus *bus, SCSIDevice *dev);
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136 | 53200fad | Paolo Bonzini | void (*change)(SCSIBus *bus, SCSIDevice *dev, SCSISense sense);
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137 | 3d5aba97 | Paolo Bonzini | QEMUSGList *(*get_sg_list)(SCSIRequest *req); |
138 | 63f740dd | Paolo Bonzini | |
139 | 63f740dd | Paolo Bonzini | void (*save_request)(QEMUFile *f, SCSIRequest *req);
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140 | 63f740dd | Paolo Bonzini | void *(*load_request)(QEMUFile *f, SCSIRequest *req);
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141 | 8e86b93c | Paolo Bonzini | void (*free_request)(SCSIBus *bus, void *priv); |
142 | cfdc1bb0 | Paolo Bonzini | }; |
143 | cfdc1bb0 | Paolo Bonzini | |
144 | 0d936928 | Anthony Liguori | #define TYPE_SCSI_BUS "SCSI" |
145 | 0d936928 | Anthony Liguori | #define SCSI_BUS(obj) OBJECT_CHECK(SCSIBus, (obj), TYPE_SCSI_BUS)
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146 | 0d936928 | Anthony Liguori | |
147 | 43b443b6 | Gerd Hoffmann | struct SCSIBus {
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148 | 43b443b6 | Gerd Hoffmann | BusState qbus; |
149 | 43b443b6 | Gerd Hoffmann | int busnr;
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150 | 43b443b6 | Gerd Hoffmann | |
151 | 6dc06f08 | Paolo Bonzini | SCSISense unit_attention; |
152 | afd4030c | Paolo Bonzini | const SCSIBusInfo *info;
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153 | 43b443b6 | Gerd Hoffmann | }; |
154 | 43b443b6 | Gerd Hoffmann | |
155 | afd4030c | Paolo Bonzini | void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info); |
156 | 43b443b6 | Gerd Hoffmann | |
157 | 43b443b6 | Gerd Hoffmann | static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d) |
158 | 43b443b6 | Gerd Hoffmann | { |
159 | 43b443b6 | Gerd Hoffmann | return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
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160 | 43b443b6 | Gerd Hoffmann | } |
161 | 43b443b6 | Gerd Hoffmann | |
162 | 2d1fd261 | Stefan Hajnoczi | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, |
163 | ce4e7e46 | Paolo Bonzini | int unit, bool removable, int bootindex); |
164 | fa66b909 | Markus Armbruster | int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
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165 | 43b443b6 | Gerd Hoffmann | |
166 | a1f0cce2 | Hannes Reinecke | /*
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167 | a1f0cce2 | Hannes Reinecke | * Predefined sense codes
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168 | a1f0cce2 | Hannes Reinecke | */
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169 | a1f0cce2 | Hannes Reinecke | |
170 | a1f0cce2 | Hannes Reinecke | /* No sense data available */
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171 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_NO_SENSE; |
172 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Manual intervention required */
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173 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_NOT_READY; |
174 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Medium not present */
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175 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_NO_MEDIUM; |
176 | 68bb01f3 | Markus Armbruster | /* LUN not ready, medium removal prevented */
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177 | 68bb01f3 | Markus Armbruster | extern const struct SCSISense sense_code_NOT_READY_REMOVAL_PREVENTED; |
178 | a1f0cce2 | Hannes Reinecke | /* Hardware error, internal target failure */
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179 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_TARGET_FAILURE; |
180 | a1f0cce2 | Hannes Reinecke | /* Illegal request, invalid command operation code */
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181 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_INVALID_OPCODE; |
182 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LBA out of range */
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183 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LBA_OUT_OF_RANGE; |
184 | a1f0cce2 | Hannes Reinecke | /* Illegal request, Invalid field in CDB */
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185 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_INVALID_FIELD; |
186 | 380feaff | Paolo Bonzini | /* Illegal request, Invalid field in parameter list */
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187 | 380feaff | Paolo Bonzini | extern const struct SCSISense sense_code_INVALID_PARAM; |
188 | 380feaff | Paolo Bonzini | /* Illegal request, Parameter list length error */
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189 | 380feaff | Paolo Bonzini | extern const struct SCSISense sense_code_INVALID_PARAM_LEN; |
190 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LUN not supported */
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191 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_NOT_SUPPORTED; |
192 | a872a304 | Paolo Bonzini | /* Illegal request, Saving parameters not supported */
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193 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_SAVING_PARAMS_NOT_SUPPORTED; |
194 | a872a304 | Paolo Bonzini | /* Illegal request, Incompatible format */
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195 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_INCOMPATIBLE_FORMAT; |
196 | 68bb01f3 | Markus Armbruster | /* Illegal request, medium removal prevented */
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197 | 68bb01f3 | Markus Armbruster | extern const struct SCSISense sense_code_ILLEGAL_REQ_REMOVAL_PREVENTED; |
198 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I/O process terminated */
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199 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_IO_ERROR; |
200 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I_T Nexus loss occurred */
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201 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_I_T_NEXUS_LOSS; |
202 | a1f0cce2 | Hannes Reinecke | /* Command aborted, Logical Unit failure */
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203 | a1f0cce2 | Hannes Reinecke | extern const struct SCSISense sense_code_LUN_FAILURE; |
204 | aaebacef | Paolo Bonzini | /* LUN not ready, Capacity data has changed */
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205 | aaebacef | Paolo Bonzini | extern const struct SCSISense sense_code_CAPACITY_CHANGED; |
206 | 8a9c16f6 | Paolo Bonzini | /* LUN not ready, Medium not present */
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207 | 8a9c16f6 | Paolo Bonzini | extern const struct SCSISense sense_code_UNIT_ATTENTION_NO_MEDIUM; |
208 | a872a304 | Paolo Bonzini | /* Unit attention, Power on, reset or bus device reset occurred */
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209 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_RESET; |
210 | a872a304 | Paolo Bonzini | /* Unit attention, Medium may have changed*/
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211 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_MEDIUM_CHANGED; |
212 | a872a304 | Paolo Bonzini | /* Unit attention, Reported LUNs data has changed */
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213 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_REPORTED_LUNS_CHANGED; |
214 | a872a304 | Paolo Bonzini | /* Unit attention, Device internal reset */
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215 | a872a304 | Paolo Bonzini | extern const struct SCSISense sense_code_DEVICE_INTERNAL_RESET; |
216 | 6a8a685c | Ronnie Sahlberg | /* Data Protection, Write Protected */
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217 | 6a8a685c | Ronnie Sahlberg | extern const struct SCSISense sense_code_WRITE_PROTECTED; |
218 | a1f0cce2 | Hannes Reinecke | |
219 | a1f0cce2 | Hannes Reinecke | #define SENSE_CODE(x) sense_code_ ## x |
220 | a1f0cce2 | Hannes Reinecke | |
221 | bb729f75 | Paolo Bonzini | uint32_t scsi_data_cdb_length(uint8_t *buf); |
222 | bb729f75 | Paolo Bonzini | uint32_t scsi_cdb_length(uint8_t *buf); |
223 | a1f0cce2 | Hannes Reinecke | int scsi_sense_valid(SCSISense sense);
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224 | f3b338ef | Paolo Bonzini | int scsi_build_sense(uint8_t *in_buf, int in_len, |
225 | f3b338ef | Paolo Bonzini | uint8_t *buf, int len, bool fixed); |
226 | a1f0cce2 | Hannes Reinecke | |
227 | adcf2754 | Paolo Bonzini | SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
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228 | adcf2754 | Paolo Bonzini | uint32_t tag, uint32_t lun, void *hba_private);
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229 | c5bf71a9 | Hannes Reinecke | SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun, |
230 | c39ce112 | Paolo Bonzini | uint8_t *buf, void *hba_private);
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231 | c39ce112 | Paolo Bonzini | int32_t scsi_req_enqueue(SCSIRequest *req); |
232 | 89b08ae1 | Gerd Hoffmann | void scsi_req_free(SCSIRequest *req);
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233 | ad2d30f7 | Paolo Bonzini | SCSIRequest *scsi_req_ref(SCSIRequest *req); |
234 | ad2d30f7 | Paolo Bonzini | void scsi_req_unref(SCSIRequest *req);
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235 | 37659e51 | Gerd Hoffmann | |
236 | b45ef674 | Paolo Bonzini | void scsi_req_build_sense(SCSIRequest *req, SCSISense sense);
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237 | ec766865 | Gerd Hoffmann | void scsi_req_print(SCSIRequest *req);
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238 | ad3376cc | Paolo Bonzini | void scsi_req_continue(SCSIRequest *req);
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239 | ab9adc88 | Paolo Bonzini | void scsi_req_data(SCSIRequest *req, int len); |
240 | 682a9b21 | Paolo Bonzini | void scsi_req_complete(SCSIRequest *req, int status); |
241 | 0c34459b | Paolo Bonzini | uint8_t *scsi_req_get_buf(SCSIRequest *req); |
242 | 74382217 | Hannes Reinecke | int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len); |
243 | 19d110ab | Paolo Bonzini | void scsi_req_abort(SCSIRequest *req, int status); |
244 | 94d3f98a | Paolo Bonzini | void scsi_req_cancel(SCSIRequest *req);
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245 | 71544d30 | Paolo Bonzini | void scsi_req_retry(SCSIRequest *req);
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246 | c7b48872 | Paolo Bonzini | void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense);
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247 | e48e84ea | Paolo Bonzini | void scsi_device_set_ua(SCSIDevice *sdev, SCSISense sense);
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248 | 53200fad | Paolo Bonzini | void scsi_device_report_change(SCSIDevice *dev, SCSISense sense);
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249 | b45ef674 | Paolo Bonzini | int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed); |
250 | 0d3545e7 | Paolo Bonzini | SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun); |
251 | 89b08ae1 | Gerd Hoffmann | |
252 | 765d1525 | Paolo Bonzini | /* scsi-generic.c. */
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253 | 765d1525 | Paolo Bonzini | extern const SCSIReqOps scsi_generic_req_ops; |
254 | 765d1525 | Paolo Bonzini | |
255 | 43b443b6 | Gerd Hoffmann | #endif |