root / hw / scsi-disk.c @ 94d3f98a
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1 | 2e5d83bb | pbrook | /*
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2 | 2e5d83bb | pbrook | * SCSI Device emulation
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3 | 2e5d83bb | pbrook | *
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4 | 2e5d83bb | pbrook | * Copyright (c) 2006 CodeSourcery.
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5 | 2e5d83bb | pbrook | * Based on code by Fabrice Bellard
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6 | 2e5d83bb | pbrook | *
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7 | 2e5d83bb | pbrook | * Written by Paul Brook
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8 | ad3cea42 | Artyom Tarasenko | * Modifications:
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9 | ad3cea42 | Artyom Tarasenko | * 2009-Dec-12 Artyom Tarasenko : implemented stamdard inquiry for the case
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10 | ad3cea42 | Artyom Tarasenko | * when the allocation length of CDB is smaller
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11 | ad3cea42 | Artyom Tarasenko | * than 36.
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12 | ad3cea42 | Artyom Tarasenko | * 2009-Oct-13 Artyom Tarasenko : implemented the block descriptor in the
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13 | ad3cea42 | Artyom Tarasenko | * MODE SENSE response.
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14 | 2e5d83bb | pbrook | *
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15 | 2e5d83bb | pbrook | * This code is licenced under the LGPL.
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16 | a917d384 | pbrook | *
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17 | a917d384 | pbrook | * Note that this file only handles the SCSI architecture model and device
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18 | 1d4db89c | balrog | * commands. Emulation of interface/link layer protocols is handled by
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19 | 1d4db89c | balrog | * the host adapter emulator.
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20 | 2e5d83bb | pbrook | */
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21 | 2e5d83bb | pbrook | |
22 | 2e5d83bb | pbrook | //#define DEBUG_SCSI
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23 | 2e5d83bb | pbrook | |
24 | 2e5d83bb | pbrook | #ifdef DEBUG_SCSI
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25 | 001faf32 | Blue Swirl | #define DPRINTF(fmt, ...) \
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26 | 001faf32 | Blue Swirl | do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0) |
27 | 2e5d83bb | pbrook | #else
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28 | 001faf32 | Blue Swirl | #define DPRINTF(fmt, ...) do {} while(0) |
29 | 2e5d83bb | pbrook | #endif
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30 | 2e5d83bb | pbrook | |
31 | 001faf32 | Blue Swirl | #define BADF(fmt, ...) \
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32 | 001faf32 | Blue Swirl | do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0) |
33 | 2e5d83bb | pbrook | |
34 | 87ecb68b | pbrook | #include "qemu-common.h" |
35 | 2f792016 | Markus Armbruster | #include "qemu-error.h" |
36 | 43b443b6 | Gerd Hoffmann | #include "scsi.h" |
37 | 0d65e1f8 | Gerd Hoffmann | #include "scsi-defs.h" |
38 | 666daa68 | Markus Armbruster | #include "sysemu.h" |
39 | 2446333c | Blue Swirl | #include "blockdev.h" |
40 | 22864256 | blueswir1 | |
41 | f0f72ffe | aurel32 | #define SCSI_DMA_BUF_SIZE 131072 |
42 | 57575058 | balrog | #define SCSI_MAX_INQUIRY_LEN 256 |
43 | a917d384 | pbrook | |
44 | 5dba48a8 | Kevin Wolf | #define SCSI_REQ_STATUS_RETRY 0x01 |
45 | 5dba48a8 | Kevin Wolf | #define SCSI_REQ_STATUS_RETRY_TYPE_MASK 0x06 |
46 | 5dba48a8 | Kevin Wolf | #define SCSI_REQ_STATUS_RETRY_READ 0x00 |
47 | 5dba48a8 | Kevin Wolf | #define SCSI_REQ_STATUS_RETRY_WRITE 0x02 |
48 | 78ced65e | Kevin Wolf | #define SCSI_REQ_STATUS_RETRY_FLUSH 0x04 |
49 | ea8a5d7f | aliguori | |
50 | d52affa7 | Gerd Hoffmann | typedef struct SCSIDiskState SCSIDiskState; |
51 | d52affa7 | Gerd Hoffmann | |
52 | a6d96eb7 | Hannes Reinecke | typedef struct SCSISense { |
53 | a6d96eb7 | Hannes Reinecke | uint8_t key; |
54 | a6d96eb7 | Hannes Reinecke | } SCSISense; |
55 | a6d96eb7 | Hannes Reinecke | |
56 | 4c41d2ef | Gerd Hoffmann | typedef struct SCSIDiskReq { |
57 | 4c41d2ef | Gerd Hoffmann | SCSIRequest req; |
58 | e035b43d | aliguori | /* ??? We should probably keep track of whether the data transfer is
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59 | 2e5d83bb | pbrook | a read or a write. Currently we rely on the host getting it right. */
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60 | a917d384 | pbrook | /* Both sector and sector_count are in terms of qemu 512 byte blocks. */
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61 | e035b43d | aliguori | uint64_t sector; |
62 | e035b43d | aliguori | uint32_t sector_count; |
63 | c87c0672 | aliguori | struct iovec iov;
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64 | c87c0672 | aliguori | QEMUIOVector qiov; |
65 | ea8a5d7f | aliguori | uint32_t status; |
66 | 4c41d2ef | Gerd Hoffmann | } SCSIDiskReq; |
67 | a917d384 | pbrook | |
68 | b443ae67 | Markus Armbruster | typedef enum { SCSI_HD, SCSI_CD } SCSIDriveKind; |
69 | b443ae67 | Markus Armbruster | |
70 | d52affa7 | Gerd Hoffmann | struct SCSIDiskState
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71 | a917d384 | pbrook | { |
72 | d52affa7 | Gerd Hoffmann | SCSIDevice qdev; |
73 | 428c149b | Christoph Hellwig | BlockDriverState *bs; |
74 | a917d384 | pbrook | /* The qemu block layer uses a fixed 512 byte sector size.
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75 | a917d384 | pbrook | This is the number of 512 byte blocks in a single scsi sector. */
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76 | a917d384 | pbrook | int cluster_size;
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77 | 419e691f | Stefan Hajnoczi | uint32_t removable; |
78 | 274fb0e1 | aliguori | uint64_t max_lba; |
79 | 213189ab | Markus Armbruster | QEMUBH *bh; |
80 | 383b4d9b | Gerd Hoffmann | char *version;
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81 | a0fef654 | Markus Armbruster | char *serial;
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82 | a6d96eb7 | Hannes Reinecke | SCSISense sense; |
83 | b443ae67 | Markus Armbruster | SCSIDriveKind drive_kind; |
84 | 2e5d83bb | pbrook | }; |
85 | 2e5d83bb | pbrook | |
86 | 5dba48a8 | Kevin Wolf | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type); |
87 | 78ced65e | Kevin Wolf | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf); |
88 | 5dba48a8 | Kevin Wolf | |
89 | 5c6c0e51 | Hannes Reinecke | static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag,
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90 | 72aef731 | Christoph Hellwig | uint32_t lun) |
91 | 2e5d83bb | pbrook | { |
92 | 5c6c0e51 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); |
93 | 89b08ae1 | Gerd Hoffmann | SCSIRequest *req; |
94 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r; |
95 | a917d384 | pbrook | |
96 | 72aef731 | Christoph Hellwig | req = scsi_req_alloc(sizeof(SCSIDiskReq), &s->qdev, tag, lun);
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97 | 89b08ae1 | Gerd Hoffmann | r = DO_UPCAST(SCSIDiskReq, req, req); |
98 | 72aef731 | Christoph Hellwig | r->iov.iov_base = qemu_blockalign(s->bs, SCSI_DMA_BUF_SIZE); |
99 | 5c6c0e51 | Hannes Reinecke | return req;
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100 | 2e5d83bb | pbrook | } |
101 | 2e5d83bb | pbrook | |
102 | ad2d30f7 | Paolo Bonzini | static void scsi_free_request(SCSIRequest *req) |
103 | 4d611c9a | pbrook | { |
104 | ad2d30f7 | Paolo Bonzini | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
105 | ad2d30f7 | Paolo Bonzini | |
106 | f8a83245 | Herve Poussineau | qemu_vfree(r->iov.iov_base); |
107 | 4d611c9a | pbrook | } |
108 | 4d611c9a | pbrook | |
109 | a6d96eb7 | Hannes Reinecke | static void scsi_disk_clear_sense(SCSIDiskState *s) |
110 | ed3a34a3 | Gerd Hoffmann | { |
111 | a6d96eb7 | Hannes Reinecke | memset(&s->sense, 0, sizeof(s->sense)); |
112 | a6d96eb7 | Hannes Reinecke | } |
113 | a6d96eb7 | Hannes Reinecke | |
114 | a6d96eb7 | Hannes Reinecke | static void scsi_disk_set_sense(SCSIDiskState *s, uint8_t key) |
115 | a6d96eb7 | Hannes Reinecke | { |
116 | a6d96eb7 | Hannes Reinecke | s->sense.key = key; |
117 | a6d96eb7 | Hannes Reinecke | } |
118 | a6d96eb7 | Hannes Reinecke | |
119 | a6d96eb7 | Hannes Reinecke | static void scsi_req_set_status(SCSIDiskReq *r, int status, int sense_code) |
120 | a6d96eb7 | Hannes Reinecke | { |
121 | a6d96eb7 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
122 | a6d96eb7 | Hannes Reinecke | |
123 | a6d96eb7 | Hannes Reinecke | r->req.status = status; |
124 | a6d96eb7 | Hannes Reinecke | scsi_disk_set_sense(s, sense_code); |
125 | ed3a34a3 | Gerd Hoffmann | } |
126 | ed3a34a3 | Gerd Hoffmann | |
127 | a917d384 | pbrook | /* Helper function for command completion. */
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128 | 4c41d2ef | Gerd Hoffmann | static void scsi_command_complete(SCSIDiskReq *r, int status, int sense) |
129 | a917d384 | pbrook | { |
130 | 4c41d2ef | Gerd Hoffmann | DPRINTF("Command complete tag=0x%x status=%d sense=%d\n",
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131 | 4c41d2ef | Gerd Hoffmann | r->req.tag, status, sense); |
132 | a6d96eb7 | Hannes Reinecke | scsi_req_set_status(r, status, sense); |
133 | ed3a34a3 | Gerd Hoffmann | scsi_req_complete(&r->req); |
134 | 4d611c9a | pbrook | } |
135 | 4d611c9a | pbrook | |
136 | 4d611c9a | pbrook | /* Cancel a pending data transfer. */
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137 | 5c6c0e51 | Hannes Reinecke | static void scsi_cancel_io(SCSIRequest *req) |
138 | 4d611c9a | pbrook | { |
139 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
140 | 5c6c0e51 | Hannes Reinecke | |
141 | 5c6c0e51 | Hannes Reinecke | DPRINTF("Cancel tag=0x%x\n", req->tag);
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142 | 5c6c0e51 | Hannes Reinecke | if (r->req.aiocb) {
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143 | 5c6c0e51 | Hannes Reinecke | bdrv_aio_cancel(r->req.aiocb); |
144 | a917d384 | pbrook | } |
145 | 5c6c0e51 | Hannes Reinecke | r->req.aiocb = NULL;
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146 | a917d384 | pbrook | } |
147 | a917d384 | pbrook | |
148 | a917d384 | pbrook | static void scsi_read_complete(void * opaque, int ret) |
149 | a917d384 | pbrook | { |
150 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
151 | 5dba48a8 | Kevin Wolf | int n;
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152 | a917d384 | pbrook | |
153 | 3e94cb02 | Jan Kiszka | r->req.aiocb = NULL;
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154 | 3e94cb02 | Jan Kiszka | |
155 | a917d384 | pbrook | if (ret) {
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156 | 5dba48a8 | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_READ)) {
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157 | 5dba48a8 | Kevin Wolf | return;
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158 | 5dba48a8 | Kevin Wolf | } |
159 | 4d611c9a | pbrook | } |
160 | 5dba48a8 | Kevin Wolf | |
161 | aa2b1e89 | Bernhard Kohl | DPRINTF("Data ready tag=0x%x len=%zd\n", r->req.tag, r->iov.iov_len);
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162 | a917d384 | pbrook | |
163 | 5dba48a8 | Kevin Wolf | n = r->iov.iov_len / 512;
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164 | 5dba48a8 | Kevin Wolf | r->sector += n; |
165 | 5dba48a8 | Kevin Wolf | r->sector_count -= n; |
166 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, r->iov.iov_len); |
167 | 4d611c9a | pbrook | } |
168 | 4d611c9a | pbrook | |
169 | 5dba48a8 | Kevin Wolf | |
170 | 5c6c0e51 | Hannes Reinecke | /* Read more data from scsi device into buffer. */
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171 | 5c6c0e51 | Hannes Reinecke | static void scsi_read_data(SCSIRequest *req) |
172 | 2e5d83bb | pbrook | { |
173 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
174 | 5dba48a8 | Kevin Wolf | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
175 | 2e5d83bb | pbrook | uint32_t n; |
176 | 2e5d83bb | pbrook | |
177 | a917d384 | pbrook | if (r->sector_count == (uint32_t)-1) { |
178 | aa2b1e89 | Bernhard Kohl | DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);
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179 | a917d384 | pbrook | r->sector_count = 0;
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180 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, r->iov.iov_len); |
181 | a917d384 | pbrook | return;
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182 | 2e5d83bb | pbrook | } |
183 | a917d384 | pbrook | DPRINTF("Read sector_count=%d\n", r->sector_count);
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184 | a917d384 | pbrook | if (r->sector_count == 0) { |
185 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, GOOD, NO_SENSE); |
186 | a917d384 | pbrook | return;
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187 | 2e5d83bb | pbrook | } |
188 | 2e5d83bb | pbrook | |
189 | 6fa2c95f | Stefan Hajnoczi | /* No data transfer may already be in progress */
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190 | 6fa2c95f | Stefan Hajnoczi | assert(r->req.aiocb == NULL);
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191 | 6fa2c95f | Stefan Hajnoczi | |
192 | a917d384 | pbrook | n = r->sector_count; |
193 | a917d384 | pbrook | if (n > SCSI_DMA_BUF_SIZE / 512) |
194 | a917d384 | pbrook | n = SCSI_DMA_BUF_SIZE / 512;
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195 | a917d384 | pbrook | |
196 | c87c0672 | aliguori | r->iov.iov_len = n * 512;
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197 | c87c0672 | aliguori | qemu_iovec_init_external(&r->qiov, &r->iov, 1);
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198 | 428c149b | Christoph Hellwig | r->req.aiocb = bdrv_aio_readv(s->bs, r->sector, &r->qiov, n, |
199 | c87c0672 | aliguori | scsi_read_complete, r); |
200 | d33ea50a | Kevin Wolf | if (r->req.aiocb == NULL) { |
201 | d33ea50a | Kevin Wolf | scsi_read_complete(r, -EIO); |
202 | d33ea50a | Kevin Wolf | } |
203 | 2e5d83bb | pbrook | } |
204 | 2e5d83bb | pbrook | |
205 | 5dba48a8 | Kevin Wolf | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) |
206 | 5dba48a8 | Kevin Wolf | { |
207 | 5dba48a8 | Kevin Wolf | int is_read = (type == SCSI_REQ_STATUS_RETRY_READ);
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208 | 4c41d2ef | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
209 | 5dba48a8 | Kevin Wolf | BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
210 | ea8a5d7f | aliguori | |
211 | 380f640f | Luiz Capitulino | if (action == BLOCK_ERR_IGNORE) {
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212 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); |
213 | ea8a5d7f | aliguori | return 0; |
214 | 380f640f | Luiz Capitulino | } |
215 | ea8a5d7f | aliguori | |
216 | ea8a5d7f | aliguori | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
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217 | ea8a5d7f | aliguori | || action == BLOCK_ERR_STOP_ANY) { |
218 | 5dba48a8 | Kevin Wolf | |
219 | 5dba48a8 | Kevin Wolf | type &= SCSI_REQ_STATUS_RETRY_TYPE_MASK; |
220 | 5dba48a8 | Kevin Wolf | r->status |= SCSI_REQ_STATUS_RETRY | type; |
221 | 5dba48a8 | Kevin Wolf | |
222 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); |
223 | e07bbac5 | Jan Kiszka | vm_stop(VMSTOP_DISKFULL); |
224 | ea8a5d7f | aliguori | } else {
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225 | 5dba48a8 | Kevin Wolf | if (type == SCSI_REQ_STATUS_RETRY_READ) {
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226 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, 0);
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227 | 5dba48a8 | Kevin Wolf | } |
228 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, CHECK_CONDITION, |
229 | 0d65e1f8 | Gerd Hoffmann | HARDWARE_ERROR); |
230 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
231 | ea8a5d7f | aliguori | } |
232 | ea8a5d7f | aliguori | |
233 | ea8a5d7f | aliguori | return 1; |
234 | ea8a5d7f | aliguori | } |
235 | ea8a5d7f | aliguori | |
236 | 4d611c9a | pbrook | static void scsi_write_complete(void * opaque, int ret) |
237 | 4d611c9a | pbrook | { |
238 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
239 | a917d384 | pbrook | uint32_t len; |
240 | ea8a5d7f | aliguori | uint32_t n; |
241 | ea8a5d7f | aliguori | |
242 | 4c41d2ef | Gerd Hoffmann | r->req.aiocb = NULL;
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243 | 4d611c9a | pbrook | |
244 | 4d611c9a | pbrook | if (ret) {
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245 | 5dba48a8 | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_WRITE)) {
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246 | ea8a5d7f | aliguori | return;
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247 | 5dba48a8 | Kevin Wolf | } |
248 | 4d611c9a | pbrook | } |
249 | 4d611c9a | pbrook | |
250 | c87c0672 | aliguori | n = r->iov.iov_len / 512;
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251 | ea8a5d7f | aliguori | r->sector += n; |
252 | ea8a5d7f | aliguori | r->sector_count -= n; |
253 | a917d384 | pbrook | if (r->sector_count == 0) { |
254 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, GOOD, NO_SENSE); |
255 | a917d384 | pbrook | } else {
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256 | a917d384 | pbrook | len = r->sector_count * 512;
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257 | a917d384 | pbrook | if (len > SCSI_DMA_BUF_SIZE) {
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258 | a917d384 | pbrook | len = SCSI_DMA_BUF_SIZE; |
259 | a917d384 | pbrook | } |
260 | c87c0672 | aliguori | r->iov.iov_len = len; |
261 | 4c41d2ef | Gerd Hoffmann | DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, len);
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262 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, len); |
263 | 4d611c9a | pbrook | } |
264 | 4d611c9a | pbrook | } |
265 | 4d611c9a | pbrook | |
266 | 5c6c0e51 | Hannes Reinecke | static int scsi_write_data(SCSIRequest *req) |
267 | ea8a5d7f | aliguori | { |
268 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
269 | 4c41d2ef | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
270 | ea8a5d7f | aliguori | uint32_t n; |
271 | ea8a5d7f | aliguori | |
272 | 6fa2c95f | Stefan Hajnoczi | /* No data transfer may already be in progress */
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273 | 6fa2c95f | Stefan Hajnoczi | assert(r->req.aiocb == NULL);
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274 | 6fa2c95f | Stefan Hajnoczi | |
275 | c87c0672 | aliguori | n = r->iov.iov_len / 512;
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276 | ea8a5d7f | aliguori | if (n) {
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277 | c87c0672 | aliguori | qemu_iovec_init_external(&r->qiov, &r->iov, 1);
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278 | 428c149b | Christoph Hellwig | r->req.aiocb = bdrv_aio_writev(s->bs, r->sector, &r->qiov, n, |
279 | c87c0672 | aliguori | scsi_write_complete, r); |
280 | d33ea50a | Kevin Wolf | if (r->req.aiocb == NULL) { |
281 | d33ea50a | Kevin Wolf | scsi_write_complete(r, -EIO); |
282 | d33ea50a | Kevin Wolf | } |
283 | ea8a5d7f | aliguori | } else {
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284 | ea8a5d7f | aliguori | /* Invoke completion routine to fetch data from host. */
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285 | ea8a5d7f | aliguori | scsi_write_complete(r, 0);
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286 | ea8a5d7f | aliguori | } |
287 | 2e5d83bb | pbrook | |
288 | a917d384 | pbrook | return 0; |
289 | a917d384 | pbrook | } |
290 | 2e5d83bb | pbrook | |
291 | 213189ab | Markus Armbruster | static void scsi_dma_restart_bh(void *opaque) |
292 | ea8a5d7f | aliguori | { |
293 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = opaque; |
294 | 9af99d98 | Gerd Hoffmann | SCSIRequest *req; |
295 | 9af99d98 | Gerd Hoffmann | SCSIDiskReq *r; |
296 | 213189ab | Markus Armbruster | |
297 | 213189ab | Markus Armbruster | qemu_bh_delete(s->bh); |
298 | 213189ab | Markus Armbruster | s->bh = NULL;
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299 | ea8a5d7f | aliguori | |
300 | 9af99d98 | Gerd Hoffmann | QTAILQ_FOREACH(req, &s->qdev.requests, next) { |
301 | 9af99d98 | Gerd Hoffmann | r = DO_UPCAST(SCSIDiskReq, req, req); |
302 | ea8a5d7f | aliguori | if (r->status & SCSI_REQ_STATUS_RETRY) {
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303 | 5dba48a8 | Kevin Wolf | int status = r->status;
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304 | 78ced65e | Kevin Wolf | int ret;
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305 | 78ced65e | Kevin Wolf | |
306 | 5dba48a8 | Kevin Wolf | r->status &= |
307 | 5dba48a8 | Kevin Wolf | ~(SCSI_REQ_STATUS_RETRY | SCSI_REQ_STATUS_RETRY_TYPE_MASK); |
308 | 5dba48a8 | Kevin Wolf | |
309 | 5dba48a8 | Kevin Wolf | switch (status & SCSI_REQ_STATUS_RETRY_TYPE_MASK) {
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310 | 5dba48a8 | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_READ:
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311 | 5c6c0e51 | Hannes Reinecke | scsi_read_data(&r->req); |
312 | 5dba48a8 | Kevin Wolf | break;
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313 | 5dba48a8 | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_WRITE:
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314 | 5c6c0e51 | Hannes Reinecke | scsi_write_data(&r->req); |
315 | 5dba48a8 | Kevin Wolf | break;
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316 | 78ced65e | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_FLUSH:
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317 | 78ced65e | Kevin Wolf | ret = scsi_disk_emulate_command(r, r->iov.iov_base); |
318 | 78ced65e | Kevin Wolf | if (ret == 0) { |
319 | 78ced65e | Kevin Wolf | scsi_command_complete(r, GOOD, NO_SENSE); |
320 | 78ced65e | Kevin Wolf | } |
321 | 5dba48a8 | Kevin Wolf | } |
322 | ea8a5d7f | aliguori | } |
323 | ea8a5d7f | aliguori | } |
324 | ea8a5d7f | aliguori | } |
325 | ea8a5d7f | aliguori | |
326 | 213189ab | Markus Armbruster | static void scsi_dma_restart_cb(void *opaque, int running, int reason) |
327 | 213189ab | Markus Armbruster | { |
328 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = opaque; |
329 | 213189ab | Markus Armbruster | |
330 | 213189ab | Markus Armbruster | if (!running)
|
331 | 213189ab | Markus Armbruster | return;
|
332 | 213189ab | Markus Armbruster | |
333 | 213189ab | Markus Armbruster | if (!s->bh) {
|
334 | 213189ab | Markus Armbruster | s->bh = qemu_bh_new(scsi_dma_restart_bh, s); |
335 | 213189ab | Markus Armbruster | qemu_bh_schedule(s->bh); |
336 | 213189ab | Markus Armbruster | } |
337 | 213189ab | Markus Armbruster | } |
338 | 213189ab | Markus Armbruster | |
339 | a917d384 | pbrook | /* Return a pointer to the data buffer. */
|
340 | 5c6c0e51 | Hannes Reinecke | static uint8_t *scsi_get_buf(SCSIRequest *req)
|
341 | a917d384 | pbrook | { |
342 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
343 | 2e5d83bb | pbrook | |
344 | 3f4cb3d3 | blueswir1 | return (uint8_t *)r->iov.iov_base;
|
345 | 2e5d83bb | pbrook | } |
346 | 2e5d83bb | pbrook | |
347 | 0b06c059 | Gerd Hoffmann | static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) |
348 | 0b06c059 | Gerd Hoffmann | { |
349 | 383b4d9b | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
350 | 0b06c059 | Gerd Hoffmann | int buflen = 0; |
351 | 0b06c059 | Gerd Hoffmann | |
352 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[1] & 0x2) { |
353 | 0b06c059 | Gerd Hoffmann | /* Command support data - optional, not implemented */
|
354 | 0b06c059 | Gerd Hoffmann | BADF("optional INQUIRY command support request not implemented\n");
|
355 | 0b06c059 | Gerd Hoffmann | return -1; |
356 | 0b06c059 | Gerd Hoffmann | } |
357 | 0b06c059 | Gerd Hoffmann | |
358 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[1] & 0x1) { |
359 | 0b06c059 | Gerd Hoffmann | /* Vital product data */
|
360 | 0b06c059 | Gerd Hoffmann | uint8_t page_code = req->cmd.buf[2];
|
361 | 0b06c059 | Gerd Hoffmann | if (req->cmd.xfer < 4) { |
362 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (EVPD[%02X]) buffer size %zd is "
|
363 | 0b06c059 | Gerd Hoffmann | "less than 4\n", page_code, req->cmd.xfer);
|
364 | 0b06c059 | Gerd Hoffmann | return -1; |
365 | 0b06c059 | Gerd Hoffmann | } |
366 | 0b06c059 | Gerd Hoffmann | |
367 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
368 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 5;
|
369 | 0b06c059 | Gerd Hoffmann | } else {
|
370 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0;
|
371 | 0b06c059 | Gerd Hoffmann | } |
372 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = page_code ; // this page
|
373 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x00;
|
374 | 0b06c059 | Gerd Hoffmann | |
375 | 0b06c059 | Gerd Hoffmann | switch (page_code) {
|
376 | 0b06c059 | Gerd Hoffmann | case 0x00: /* Supported page codes, mandatory */ |
377 | 39d98982 | Hannes Reinecke | { |
378 | 39d98982 | Hannes Reinecke | int pages;
|
379 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Supported pages] "
|
380 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
381 | 39d98982 | Hannes Reinecke | pages = buflen++; |
382 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x00; // list of supported pages (this page) |
383 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x80; // unit serial number |
384 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x83; // device identification |
385 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_HD) {
|
386 | ea3bd56f | Christoph Hellwig | outbuf[buflen++] = 0xb0; // block limits |
387 | ea3bd56f | Christoph Hellwig | outbuf[buflen++] = 0xb2; // thin provisioning |
388 | 39d98982 | Hannes Reinecke | } |
389 | 39d98982 | Hannes Reinecke | outbuf[pages] = buflen - pages - 1; // number of pages |
390 | 0b06c059 | Gerd Hoffmann | break;
|
391 | 39d98982 | Hannes Reinecke | } |
392 | 0b06c059 | Gerd Hoffmann | case 0x80: /* Device serial number, optional */ |
393 | 0b06c059 | Gerd Hoffmann | { |
394 | a0fef654 | Markus Armbruster | int l = strlen(s->serial);
|
395 | 0b06c059 | Gerd Hoffmann | |
396 | 0b06c059 | Gerd Hoffmann | if (l > req->cmd.xfer)
|
397 | 0b06c059 | Gerd Hoffmann | l = req->cmd.xfer; |
398 | 0b06c059 | Gerd Hoffmann | if (l > 20) |
399 | 0b06c059 | Gerd Hoffmann | l = 20;
|
400 | 0b06c059 | Gerd Hoffmann | |
401 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Serial number] "
|
402 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
403 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = l; |
404 | a0fef654 | Markus Armbruster | memcpy(outbuf+buflen, s->serial, l); |
405 | 0b06c059 | Gerd Hoffmann | buflen += l; |
406 | 0b06c059 | Gerd Hoffmann | break;
|
407 | 0b06c059 | Gerd Hoffmann | } |
408 | 0b06c059 | Gerd Hoffmann | |
409 | 0b06c059 | Gerd Hoffmann | case 0x83: /* Device identification page, mandatory */ |
410 | 0b06c059 | Gerd Hoffmann | { |
411 | 0b06c059 | Gerd Hoffmann | int max_len = 255 - 8; |
412 | 428c149b | Christoph Hellwig | int id_len = strlen(bdrv_get_device_name(s->bs));
|
413 | 0b06c059 | Gerd Hoffmann | |
414 | 0b06c059 | Gerd Hoffmann | if (id_len > max_len)
|
415 | 0b06c059 | Gerd Hoffmann | id_len = max_len; |
416 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Device identification] "
|
417 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
418 | 0b06c059 | Gerd Hoffmann | |
419 | 39d98982 | Hannes Reinecke | outbuf[buflen++] = 4 + id_len;
|
420 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x2; // ASCII |
421 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0; // not officially assigned |
422 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0; // reserved |
423 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = id_len; // length of data following
|
424 | 0b06c059 | Gerd Hoffmann | |
425 | 428c149b | Christoph Hellwig | memcpy(outbuf+buflen, bdrv_get_device_name(s->bs), id_len); |
426 | 0b06c059 | Gerd Hoffmann | buflen += id_len; |
427 | 0b06c059 | Gerd Hoffmann | break;
|
428 | 0b06c059 | Gerd Hoffmann | } |
429 | ea3bd56f | Christoph Hellwig | case 0xb0: /* block limits */ |
430 | ee3659e3 | Christoph Hellwig | { |
431 | ea3bd56f | Christoph Hellwig | unsigned int unmap_sectors = |
432 | ea3bd56f | Christoph Hellwig | s->qdev.conf.discard_granularity / s->qdev.blocksize; |
433 | 8cfacf07 | Christoph Hellwig | unsigned int min_io_size = |
434 | 8cfacf07 | Christoph Hellwig | s->qdev.conf.min_io_size / s->qdev.blocksize; |
435 | 8cfacf07 | Christoph Hellwig | unsigned int opt_io_size = |
436 | 8cfacf07 | Christoph Hellwig | s->qdev.conf.opt_io_size / s->qdev.blocksize; |
437 | ee3659e3 | Christoph Hellwig | |
438 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
439 | 39d98982 | Hannes Reinecke | DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
|
440 | 39d98982 | Hannes Reinecke | page_code); |
441 | 39d98982 | Hannes Reinecke | return -1; |
442 | 39d98982 | Hannes Reinecke | } |
443 | ee3659e3 | Christoph Hellwig | /* required VPD size with unmap support */
|
444 | ee3659e3 | Christoph Hellwig | outbuf[3] = buflen = 0x3c; |
445 | ee3659e3 | Christoph Hellwig | |
446 | ee3659e3 | Christoph Hellwig | memset(outbuf + 4, 0, buflen - 4); |
447 | ee3659e3 | Christoph Hellwig | |
448 | ee3659e3 | Christoph Hellwig | /* optimal transfer length granularity */
|
449 | ee3659e3 | Christoph Hellwig | outbuf[6] = (min_io_size >> 8) & 0xff; |
450 | ee3659e3 | Christoph Hellwig | outbuf[7] = min_io_size & 0xff; |
451 | ee3659e3 | Christoph Hellwig | |
452 | ee3659e3 | Christoph Hellwig | /* optimal transfer length */
|
453 | ee3659e3 | Christoph Hellwig | outbuf[12] = (opt_io_size >> 24) & 0xff; |
454 | ee3659e3 | Christoph Hellwig | outbuf[13] = (opt_io_size >> 16) & 0xff; |
455 | ee3659e3 | Christoph Hellwig | outbuf[14] = (opt_io_size >> 8) & 0xff; |
456 | ee3659e3 | Christoph Hellwig | outbuf[15] = opt_io_size & 0xff; |
457 | ea3bd56f | Christoph Hellwig | |
458 | ea3bd56f | Christoph Hellwig | /* optimal unmap granularity */
|
459 | ea3bd56f | Christoph Hellwig | outbuf[28] = (unmap_sectors >> 24) & 0xff; |
460 | ea3bd56f | Christoph Hellwig | outbuf[29] = (unmap_sectors >> 16) & 0xff; |
461 | ea3bd56f | Christoph Hellwig | outbuf[30] = (unmap_sectors >> 8) & 0xff; |
462 | ea3bd56f | Christoph Hellwig | outbuf[31] = unmap_sectors & 0xff; |
463 | ea3bd56f | Christoph Hellwig | break;
|
464 | ea3bd56f | Christoph Hellwig | } |
465 | ea3bd56f | Christoph Hellwig | case 0xb2: /* thin provisioning */ |
466 | ea3bd56f | Christoph Hellwig | { |
467 | ea3bd56f | Christoph Hellwig | outbuf[3] = buflen = 8; |
468 | ea3bd56f | Christoph Hellwig | outbuf[4] = 0; |
469 | ea3bd56f | Christoph Hellwig | outbuf[5] = 0x40; /* write same with unmap supported */ |
470 | ea3bd56f | Christoph Hellwig | outbuf[6] = 0; |
471 | ea3bd56f | Christoph Hellwig | outbuf[7] = 0; |
472 | ee3659e3 | Christoph Hellwig | break;
|
473 | ee3659e3 | Christoph Hellwig | } |
474 | 0b06c059 | Gerd Hoffmann | default:
|
475 | 0b06c059 | Gerd Hoffmann | BADF("Error: unsupported Inquiry (EVPD[%02X]) "
|
476 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", page_code, req->cmd.xfer);
|
477 | 0b06c059 | Gerd Hoffmann | return -1; |
478 | 0b06c059 | Gerd Hoffmann | } |
479 | 0b06c059 | Gerd Hoffmann | /* done with EVPD */
|
480 | 0b06c059 | Gerd Hoffmann | return buflen;
|
481 | 0b06c059 | Gerd Hoffmann | } |
482 | 0b06c059 | Gerd Hoffmann | |
483 | 0b06c059 | Gerd Hoffmann | /* Standard INQUIRY data */
|
484 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[2] != 0) { |
485 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (STANDARD) page or code "
|
486 | 0b06c059 | Gerd Hoffmann | "is non-zero [%02X]\n", req->cmd.buf[2]); |
487 | 0b06c059 | Gerd Hoffmann | return -1; |
488 | 0b06c059 | Gerd Hoffmann | } |
489 | 0b06c059 | Gerd Hoffmann | |
490 | 0b06c059 | Gerd Hoffmann | /* PAGE CODE == 0 */
|
491 | 0b06c059 | Gerd Hoffmann | if (req->cmd.xfer < 5) { |
492 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (STANDARD) buffer size %zd "
|
493 | 0b06c059 | Gerd Hoffmann | "is less than 5\n", req->cmd.xfer);
|
494 | 0b06c059 | Gerd Hoffmann | return -1; |
495 | 0b06c059 | Gerd Hoffmann | } |
496 | 0b06c059 | Gerd Hoffmann | |
497 | 0b06c059 | Gerd Hoffmann | buflen = req->cmd.xfer; |
498 | 0b06c059 | Gerd Hoffmann | if (buflen > SCSI_MAX_INQUIRY_LEN)
|
499 | 0b06c059 | Gerd Hoffmann | buflen = SCSI_MAX_INQUIRY_LEN; |
500 | 0b06c059 | Gerd Hoffmann | |
501 | 0b06c059 | Gerd Hoffmann | memset(outbuf, 0, buflen);
|
502 | 0b06c059 | Gerd Hoffmann | |
503 | 0b06c059 | Gerd Hoffmann | if (req->lun || req->cmd.buf[1] >> 5) { |
504 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 0x7f; /* LUN not supported */ |
505 | 0b06c059 | Gerd Hoffmann | return buflen;
|
506 | 0b06c059 | Gerd Hoffmann | } |
507 | 0b06c059 | Gerd Hoffmann | |
508 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
509 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 5; |
510 | 0b06c059 | Gerd Hoffmann | outbuf[1] = 0x80; |
511 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[16], "QEMU CD-ROM ", 16); |
512 | 0b06c059 | Gerd Hoffmann | } else {
|
513 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 0; |
514 | 419e691f | Stefan Hajnoczi | outbuf[1] = s->removable ? 0x80 : 0; |
515 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[16], "QEMU HARDDISK ", 16); |
516 | 0b06c059 | Gerd Hoffmann | } |
517 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[8], "QEMU ", 8); |
518 | 314b1811 | Gerd Hoffmann | memset(&outbuf[32], 0, 4); |
519 | 552fee93 | Markus Armbruster | memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version))); |
520 | 99aba0c4 | Christoph Hellwig | /*
|
521 | 99aba0c4 | Christoph Hellwig | * We claim conformance to SPC-3, which is required for guests
|
522 | 99aba0c4 | Christoph Hellwig | * to ask for modern features like READ CAPACITY(16) or the
|
523 | 99aba0c4 | Christoph Hellwig | * block characteristics VPD page by default. Not all of SPC-3
|
524 | 99aba0c4 | Christoph Hellwig | * is actually implemented, but we're good enough.
|
525 | 99aba0c4 | Christoph Hellwig | */
|
526 | ee3659e3 | Christoph Hellwig | outbuf[2] = 5; |
527 | 0b06c059 | Gerd Hoffmann | outbuf[3] = 2; /* Format 2 */ |
528 | ad3cea42 | Artyom Tarasenko | |
529 | ad3cea42 | Artyom Tarasenko | if (buflen > 36) { |
530 | ad3cea42 | Artyom Tarasenko | outbuf[4] = buflen - 5; /* Additional Length = (Len - 1) - 4 */ |
531 | ad3cea42 | Artyom Tarasenko | } else {
|
532 | ad3cea42 | Artyom Tarasenko | /* If the allocation length of CDB is too small,
|
533 | ad3cea42 | Artyom Tarasenko | the additional length is not adjusted */
|
534 | ad3cea42 | Artyom Tarasenko | outbuf[4] = 36 - 5; |
535 | ad3cea42 | Artyom Tarasenko | } |
536 | ad3cea42 | Artyom Tarasenko | |
537 | 0b06c059 | Gerd Hoffmann | /* Sync data transfer and TCQ. */
|
538 | 0b06c059 | Gerd Hoffmann | outbuf[7] = 0x10 | (req->bus->tcq ? 0x02 : 0); |
539 | 0b06c059 | Gerd Hoffmann | return buflen;
|
540 | 0b06c059 | Gerd Hoffmann | } |
541 | 0b06c059 | Gerd Hoffmann | |
542 | 282ab04e | Bernhard Kohl | static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p, |
543 | 282ab04e | Bernhard Kohl | int page_control)
|
544 | ebddfcbe | Gerd Hoffmann | { |
545 | ebddfcbe | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
546 | 428c149b | Christoph Hellwig | BlockDriverState *bdrv = s->bs; |
547 | ebddfcbe | Gerd Hoffmann | int cylinders, heads, secs;
|
548 | ebddfcbe | Gerd Hoffmann | |
549 | 282ab04e | Bernhard Kohl | /*
|
550 | 282ab04e | Bernhard Kohl | * If Changeable Values are requested, a mask denoting those mode parameters
|
551 | 282ab04e | Bernhard Kohl | * that are changeable shall be returned. As we currently don't support
|
552 | 282ab04e | Bernhard Kohl | * parameter changes via MODE_SELECT all bits are returned set to zero.
|
553 | 282ab04e | Bernhard Kohl | * The buffer was already menset to zero by the caller of this function.
|
554 | 282ab04e | Bernhard Kohl | */
|
555 | ebddfcbe | Gerd Hoffmann | switch (page) {
|
556 | ebddfcbe | Gerd Hoffmann | case 4: /* Rigid disk device geometry page. */ |
557 | ebddfcbe | Gerd Hoffmann | p[0] = 4; |
558 | ebddfcbe | Gerd Hoffmann | p[1] = 0x16; |
559 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
560 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
561 | 282ab04e | Bernhard Kohl | } |
562 | ebddfcbe | Gerd Hoffmann | /* if a geometry hint is available, use it */
|
563 | ebddfcbe | Gerd Hoffmann | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); |
564 | ebddfcbe | Gerd Hoffmann | p[2] = (cylinders >> 16) & 0xff; |
565 | ebddfcbe | Gerd Hoffmann | p[3] = (cylinders >> 8) & 0xff; |
566 | ebddfcbe | Gerd Hoffmann | p[4] = cylinders & 0xff; |
567 | ebddfcbe | Gerd Hoffmann | p[5] = heads & 0xff; |
568 | ebddfcbe | Gerd Hoffmann | /* Write precomp start cylinder, disabled */
|
569 | ebddfcbe | Gerd Hoffmann | p[6] = (cylinders >> 16) & 0xff; |
570 | ebddfcbe | Gerd Hoffmann | p[7] = (cylinders >> 8) & 0xff; |
571 | ebddfcbe | Gerd Hoffmann | p[8] = cylinders & 0xff; |
572 | ebddfcbe | Gerd Hoffmann | /* Reduced current start cylinder, disabled */
|
573 | ebddfcbe | Gerd Hoffmann | p[9] = (cylinders >> 16) & 0xff; |
574 | ebddfcbe | Gerd Hoffmann | p[10] = (cylinders >> 8) & 0xff; |
575 | ebddfcbe | Gerd Hoffmann | p[11] = cylinders & 0xff; |
576 | ebddfcbe | Gerd Hoffmann | /* Device step rate [ns], 200ns */
|
577 | ebddfcbe | Gerd Hoffmann | p[12] = 0; |
578 | ebddfcbe | Gerd Hoffmann | p[13] = 200; |
579 | ebddfcbe | Gerd Hoffmann | /* Landing zone cylinder */
|
580 | ebddfcbe | Gerd Hoffmann | p[14] = 0xff; |
581 | ebddfcbe | Gerd Hoffmann | p[15] = 0xff; |
582 | ebddfcbe | Gerd Hoffmann | p[16] = 0xff; |
583 | ebddfcbe | Gerd Hoffmann | /* Medium rotation rate [rpm], 5400 rpm */
|
584 | ebddfcbe | Gerd Hoffmann | p[20] = (5400 >> 8) & 0xff; |
585 | ebddfcbe | Gerd Hoffmann | p[21] = 5400 & 0xff; |
586 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
587 | ebddfcbe | Gerd Hoffmann | |
588 | ebddfcbe | Gerd Hoffmann | case 5: /* Flexible disk device geometry page. */ |
589 | ebddfcbe | Gerd Hoffmann | p[0] = 5; |
590 | ebddfcbe | Gerd Hoffmann | p[1] = 0x1e; |
591 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
592 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
593 | 282ab04e | Bernhard Kohl | } |
594 | ebddfcbe | Gerd Hoffmann | /* Transfer rate [kbit/s], 5Mbit/s */
|
595 | ebddfcbe | Gerd Hoffmann | p[2] = 5000 >> 8; |
596 | ebddfcbe | Gerd Hoffmann | p[3] = 5000 & 0xff; |
597 | ebddfcbe | Gerd Hoffmann | /* if a geometry hint is available, use it */
|
598 | ebddfcbe | Gerd Hoffmann | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); |
599 | ebddfcbe | Gerd Hoffmann | p[4] = heads & 0xff; |
600 | ebddfcbe | Gerd Hoffmann | p[5] = secs & 0xff; |
601 | ebddfcbe | Gerd Hoffmann | p[6] = s->cluster_size * 2; |
602 | ebddfcbe | Gerd Hoffmann | p[8] = (cylinders >> 8) & 0xff; |
603 | ebddfcbe | Gerd Hoffmann | p[9] = cylinders & 0xff; |
604 | ebddfcbe | Gerd Hoffmann | /* Write precomp start cylinder, disabled */
|
605 | ebddfcbe | Gerd Hoffmann | p[10] = (cylinders >> 8) & 0xff; |
606 | ebddfcbe | Gerd Hoffmann | p[11] = cylinders & 0xff; |
607 | ebddfcbe | Gerd Hoffmann | /* Reduced current start cylinder, disabled */
|
608 | ebddfcbe | Gerd Hoffmann | p[12] = (cylinders >> 8) & 0xff; |
609 | ebddfcbe | Gerd Hoffmann | p[13] = cylinders & 0xff; |
610 | ebddfcbe | Gerd Hoffmann | /* Device step rate [100us], 100us */
|
611 | ebddfcbe | Gerd Hoffmann | p[14] = 0; |
612 | ebddfcbe | Gerd Hoffmann | p[15] = 1; |
613 | ebddfcbe | Gerd Hoffmann | /* Device step pulse width [us], 1us */
|
614 | ebddfcbe | Gerd Hoffmann | p[16] = 1; |
615 | ebddfcbe | Gerd Hoffmann | /* Device head settle delay [100us], 100us */
|
616 | ebddfcbe | Gerd Hoffmann | p[17] = 0; |
617 | ebddfcbe | Gerd Hoffmann | p[18] = 1; |
618 | ebddfcbe | Gerd Hoffmann | /* Motor on delay [0.1s], 0.1s */
|
619 | ebddfcbe | Gerd Hoffmann | p[19] = 1; |
620 | ebddfcbe | Gerd Hoffmann | /* Motor off delay [0.1s], 0.1s */
|
621 | ebddfcbe | Gerd Hoffmann | p[20] = 1; |
622 | ebddfcbe | Gerd Hoffmann | /* Medium rotation rate [rpm], 5400 rpm */
|
623 | ebddfcbe | Gerd Hoffmann | p[28] = (5400 >> 8) & 0xff; |
624 | ebddfcbe | Gerd Hoffmann | p[29] = 5400 & 0xff; |
625 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
626 | ebddfcbe | Gerd Hoffmann | |
627 | ebddfcbe | Gerd Hoffmann | case 8: /* Caching page. */ |
628 | ebddfcbe | Gerd Hoffmann | p[0] = 8; |
629 | ebddfcbe | Gerd Hoffmann | p[1] = 0x12; |
630 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
631 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
632 | 282ab04e | Bernhard Kohl | } |
633 | 428c149b | Christoph Hellwig | if (bdrv_enable_write_cache(s->bs)) {
|
634 | ebddfcbe | Gerd Hoffmann | p[2] = 4; /* WCE */ |
635 | ebddfcbe | Gerd Hoffmann | } |
636 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
637 | ebddfcbe | Gerd Hoffmann | |
638 | ebddfcbe | Gerd Hoffmann | case 0x2a: /* CD Capabilities and Mechanical Status page. */ |
639 | b443ae67 | Markus Armbruster | if (s->drive_kind != SCSI_CD)
|
640 | ebddfcbe | Gerd Hoffmann | return 0; |
641 | ebddfcbe | Gerd Hoffmann | p[0] = 0x2a; |
642 | ebddfcbe | Gerd Hoffmann | p[1] = 0x14; |
643 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
644 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
645 | 282ab04e | Bernhard Kohl | } |
646 | ebddfcbe | Gerd Hoffmann | p[2] = 3; // CD-R & CD-RW read |
647 | ebddfcbe | Gerd Hoffmann | p[3] = 0; // Writing not supported |
648 | ebddfcbe | Gerd Hoffmann | p[4] = 0x7f; /* Audio, composite, digital out, |
649 | ebddfcbe | Gerd Hoffmann | mode 2 form 1&2, multi session */
|
650 | ebddfcbe | Gerd Hoffmann | p[5] = 0xff; /* CD DA, DA accurate, RW supported, |
651 | ebddfcbe | Gerd Hoffmann | RW corrected, C2 errors, ISRC,
|
652 | ebddfcbe | Gerd Hoffmann | UPC, Bar code */
|
653 | 428c149b | Christoph Hellwig | p[6] = 0x2d | (bdrv_is_locked(s->bs)? 2 : 0); |
654 | ebddfcbe | Gerd Hoffmann | /* Locking supported, jumper present, eject, tray */
|
655 | ebddfcbe | Gerd Hoffmann | p[7] = 0; /* no volume & mute control, no |
656 | ebddfcbe | Gerd Hoffmann | changer */
|
657 | ebddfcbe | Gerd Hoffmann | p[8] = (50 * 176) >> 8; // 50x read speed |
658 | ebddfcbe | Gerd Hoffmann | p[9] = (50 * 176) & 0xff; |
659 | ebddfcbe | Gerd Hoffmann | p[10] = 0 >> 8; // No volume |
660 | ebddfcbe | Gerd Hoffmann | p[11] = 0 & 0xff; |
661 | ebddfcbe | Gerd Hoffmann | p[12] = 2048 >> 8; // 2M buffer |
662 | ebddfcbe | Gerd Hoffmann | p[13] = 2048 & 0xff; |
663 | ebddfcbe | Gerd Hoffmann | p[14] = (16 * 176) >> 8; // 16x read speed current |
664 | ebddfcbe | Gerd Hoffmann | p[15] = (16 * 176) & 0xff; |
665 | ebddfcbe | Gerd Hoffmann | p[18] = (16 * 176) >> 8; // 16x write speed |
666 | ebddfcbe | Gerd Hoffmann | p[19] = (16 * 176) & 0xff; |
667 | ebddfcbe | Gerd Hoffmann | p[20] = (16 * 176) >> 8; // 16x write speed current |
668 | ebddfcbe | Gerd Hoffmann | p[21] = (16 * 176) & 0xff; |
669 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
670 | ebddfcbe | Gerd Hoffmann | |
671 | ebddfcbe | Gerd Hoffmann | default:
|
672 | ebddfcbe | Gerd Hoffmann | return 0; |
673 | ebddfcbe | Gerd Hoffmann | } |
674 | ebddfcbe | Gerd Hoffmann | } |
675 | ebddfcbe | Gerd Hoffmann | |
676 | ebddfcbe | Gerd Hoffmann | static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf) |
677 | ebddfcbe | Gerd Hoffmann | { |
678 | ebddfcbe | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
679 | ebddfcbe | Gerd Hoffmann | uint64_t nb_sectors; |
680 | 282ab04e | Bernhard Kohl | int page, dbd, buflen, page_control;
|
681 | ebddfcbe | Gerd Hoffmann | uint8_t *p; |
682 | ce512ee1 | Bernhard Kohl | uint8_t dev_specific_param; |
683 | ebddfcbe | Gerd Hoffmann | |
684 | ebddfcbe | Gerd Hoffmann | dbd = req->cmd.buf[1] & 0x8; |
685 | ebddfcbe | Gerd Hoffmann | page = req->cmd.buf[2] & 0x3f; |
686 | 282ab04e | Bernhard Kohl | page_control = (req->cmd.buf[2] & 0xc0) >> 6; |
687 | aa2b1e89 | Bernhard Kohl | DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n",
|
688 | aa2b1e89 | Bernhard Kohl | (req->cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, req->cmd.xfer, page_control); |
689 | ebddfcbe | Gerd Hoffmann | memset(outbuf, 0, req->cmd.xfer);
|
690 | ebddfcbe | Gerd Hoffmann | p = outbuf; |
691 | ebddfcbe | Gerd Hoffmann | |
692 | 0056dcc1 | Naphtali Sprei | if (bdrv_is_read_only(s->bs)) {
|
693 | ce512ee1 | Bernhard Kohl | dev_specific_param = 0x80; /* Readonly. */ |
694 | ce512ee1 | Bernhard Kohl | } else {
|
695 | ce512ee1 | Bernhard Kohl | dev_specific_param = 0x00;
|
696 | ce512ee1 | Bernhard Kohl | } |
697 | ce512ee1 | Bernhard Kohl | |
698 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
699 | ce512ee1 | Bernhard Kohl | p[1] = 0; /* Default media type. */ |
700 | ce512ee1 | Bernhard Kohl | p[2] = dev_specific_param;
|
701 | ce512ee1 | Bernhard Kohl | p[3] = 0; /* Block descriptor length. */ |
702 | ce512ee1 | Bernhard Kohl | p += 4;
|
703 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
704 | ce512ee1 | Bernhard Kohl | p[2] = 0; /* Default media type. */ |
705 | ce512ee1 | Bernhard Kohl | p[3] = dev_specific_param;
|
706 | ce512ee1 | Bernhard Kohl | p[6] = p[7] = 0; /* Block descriptor length. */ |
707 | ce512ee1 | Bernhard Kohl | p += 8;
|
708 | ebddfcbe | Gerd Hoffmann | } |
709 | ebddfcbe | Gerd Hoffmann | |
710 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
711 | 333d50fe | Bernhard Kohl | if (!dbd && nb_sectors) {
|
712 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
713 | ce512ee1 | Bernhard Kohl | outbuf[3] = 8; /* Block descriptor length */ |
714 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
715 | ce512ee1 | Bernhard Kohl | outbuf[7] = 8; /* Block descriptor length */ |
716 | ce512ee1 | Bernhard Kohl | } |
717 | ebddfcbe | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
718 | ebddfcbe | Gerd Hoffmann | if (nb_sectors > 0xffffff) |
719 | 2488b740 | Bernhard Kohl | nb_sectors = 0;
|
720 | ebddfcbe | Gerd Hoffmann | p[0] = 0; /* media density code */ |
721 | ebddfcbe | Gerd Hoffmann | p[1] = (nb_sectors >> 16) & 0xff; |
722 | ebddfcbe | Gerd Hoffmann | p[2] = (nb_sectors >> 8) & 0xff; |
723 | ebddfcbe | Gerd Hoffmann | p[3] = nb_sectors & 0xff; |
724 | ebddfcbe | Gerd Hoffmann | p[4] = 0; /* reserved */ |
725 | ebddfcbe | Gerd Hoffmann | p[5] = 0; /* bytes 5-7 are the sector size in bytes */ |
726 | ebddfcbe | Gerd Hoffmann | p[6] = s->cluster_size * 2; |
727 | ebddfcbe | Gerd Hoffmann | p[7] = 0; |
728 | ebddfcbe | Gerd Hoffmann | p += 8;
|
729 | ebddfcbe | Gerd Hoffmann | } |
730 | ebddfcbe | Gerd Hoffmann | |
731 | 282ab04e | Bernhard Kohl | if (page_control == 3) { /* Saved Values */ |
732 | 282ab04e | Bernhard Kohl | return -1; /* ILLEGAL_REQUEST */ |
733 | 282ab04e | Bernhard Kohl | } |
734 | 282ab04e | Bernhard Kohl | |
735 | ebddfcbe | Gerd Hoffmann | switch (page) {
|
736 | ebddfcbe | Gerd Hoffmann | case 0x04: |
737 | ebddfcbe | Gerd Hoffmann | case 0x05: |
738 | ebddfcbe | Gerd Hoffmann | case 0x08: |
739 | ebddfcbe | Gerd Hoffmann | case 0x2a: |
740 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, page, p, page_control); |
741 | ebddfcbe | Gerd Hoffmann | break;
|
742 | ebddfcbe | Gerd Hoffmann | case 0x3f: |
743 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, 0x08, p, page_control);
|
744 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, 0x2a, p, page_control);
|
745 | ebddfcbe | Gerd Hoffmann | break;
|
746 | a9c17b2b | Bernhard Kohl | default:
|
747 | a9c17b2b | Bernhard Kohl | return -1; /* ILLEGAL_REQUEST */ |
748 | ebddfcbe | Gerd Hoffmann | } |
749 | ebddfcbe | Gerd Hoffmann | |
750 | ebddfcbe | Gerd Hoffmann | buflen = p - outbuf; |
751 | ce512ee1 | Bernhard Kohl | /*
|
752 | ce512ee1 | Bernhard Kohl | * The mode data length field specifies the length in bytes of the
|
753 | ce512ee1 | Bernhard Kohl | * following data that is available to be transferred. The mode data
|
754 | ce512ee1 | Bernhard Kohl | * length does not include itself.
|
755 | ce512ee1 | Bernhard Kohl | */
|
756 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
757 | ce512ee1 | Bernhard Kohl | outbuf[0] = buflen - 1; |
758 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
759 | ce512ee1 | Bernhard Kohl | outbuf[0] = ((buflen - 2) >> 8) & 0xff; |
760 | ce512ee1 | Bernhard Kohl | outbuf[1] = (buflen - 2) & 0xff; |
761 | ce512ee1 | Bernhard Kohl | } |
762 | ebddfcbe | Gerd Hoffmann | if (buflen > req->cmd.xfer)
|
763 | ebddfcbe | Gerd Hoffmann | buflen = req->cmd.xfer; |
764 | ebddfcbe | Gerd Hoffmann | return buflen;
|
765 | ebddfcbe | Gerd Hoffmann | } |
766 | ebddfcbe | Gerd Hoffmann | |
767 | 02880f43 | Gerd Hoffmann | static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) |
768 | 02880f43 | Gerd Hoffmann | { |
769 | 02880f43 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
770 | 02880f43 | Gerd Hoffmann | int start_track, format, msf, toclen;
|
771 | 02880f43 | Gerd Hoffmann | uint64_t nb_sectors; |
772 | 02880f43 | Gerd Hoffmann | |
773 | 02880f43 | Gerd Hoffmann | msf = req->cmd.buf[1] & 2; |
774 | 02880f43 | Gerd Hoffmann | format = req->cmd.buf[2] & 0xf; |
775 | 02880f43 | Gerd Hoffmann | start_track = req->cmd.buf[6];
|
776 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
777 | 02880f43 | Gerd Hoffmann | DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); |
778 | 02880f43 | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
779 | 02880f43 | Gerd Hoffmann | switch (format) {
|
780 | 02880f43 | Gerd Hoffmann | case 0: |
781 | 02880f43 | Gerd Hoffmann | toclen = cdrom_read_toc(nb_sectors, outbuf, msf, start_track); |
782 | 02880f43 | Gerd Hoffmann | break;
|
783 | 02880f43 | Gerd Hoffmann | case 1: |
784 | 02880f43 | Gerd Hoffmann | /* multi session : only a single session defined */
|
785 | 02880f43 | Gerd Hoffmann | toclen = 12;
|
786 | 02880f43 | Gerd Hoffmann | memset(outbuf, 0, 12); |
787 | 02880f43 | Gerd Hoffmann | outbuf[1] = 0x0a; |
788 | 02880f43 | Gerd Hoffmann | outbuf[2] = 0x01; |
789 | 02880f43 | Gerd Hoffmann | outbuf[3] = 0x01; |
790 | 02880f43 | Gerd Hoffmann | break;
|
791 | 02880f43 | Gerd Hoffmann | case 2: |
792 | 02880f43 | Gerd Hoffmann | toclen = cdrom_read_toc_raw(nb_sectors, outbuf, msf, start_track); |
793 | 02880f43 | Gerd Hoffmann | break;
|
794 | 02880f43 | Gerd Hoffmann | default:
|
795 | 02880f43 | Gerd Hoffmann | return -1; |
796 | 02880f43 | Gerd Hoffmann | } |
797 | 02880f43 | Gerd Hoffmann | if (toclen > req->cmd.xfer)
|
798 | 02880f43 | Gerd Hoffmann | toclen = req->cmd.xfer; |
799 | 02880f43 | Gerd Hoffmann | return toclen;
|
800 | 02880f43 | Gerd Hoffmann | } |
801 | 02880f43 | Gerd Hoffmann | |
802 | 8af7a3ab | Kevin Wolf | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf) |
803 | aa5dbdc1 | Gerd Hoffmann | { |
804 | 8af7a3ab | Kevin Wolf | SCSIRequest *req = &r->req; |
805 | e7e25e32 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
806 | e7e25e32 | Gerd Hoffmann | uint64_t nb_sectors; |
807 | aa5dbdc1 | Gerd Hoffmann | int buflen = 0; |
808 | 78ced65e | Kevin Wolf | int ret;
|
809 | aa5dbdc1 | Gerd Hoffmann | |
810 | aa5dbdc1 | Gerd Hoffmann | switch (req->cmd.buf[0]) { |
811 | aa5dbdc1 | Gerd Hoffmann | case TEST_UNIT_READY:
|
812 | 428c149b | Christoph Hellwig | if (!bdrv_is_inserted(s->bs))
|
813 | aa5dbdc1 | Gerd Hoffmann | goto not_ready;
|
814 | aa5dbdc1 | Gerd Hoffmann | break;
|
815 | 51ad87c9 | Gerd Hoffmann | case REQUEST_SENSE:
|
816 | 51ad87c9 | Gerd Hoffmann | if (req->cmd.xfer < 4) |
817 | 51ad87c9 | Gerd Hoffmann | goto illegal_request;
|
818 | 51ad87c9 | Gerd Hoffmann | memset(outbuf, 0, 4); |
819 | 51ad87c9 | Gerd Hoffmann | buflen = 4;
|
820 | a6d96eb7 | Hannes Reinecke | if (s->sense.key == NOT_READY && req->cmd.xfer >= 18) { |
821 | 51ad87c9 | Gerd Hoffmann | memset(outbuf, 0, 18); |
822 | 51ad87c9 | Gerd Hoffmann | buflen = 18;
|
823 | 51ad87c9 | Gerd Hoffmann | outbuf[7] = 10; |
824 | 51ad87c9 | Gerd Hoffmann | /* asc 0x3a, ascq 0: Medium not present */
|
825 | 51ad87c9 | Gerd Hoffmann | outbuf[12] = 0x3a; |
826 | 51ad87c9 | Gerd Hoffmann | outbuf[13] = 0; |
827 | 51ad87c9 | Gerd Hoffmann | } |
828 | 51ad87c9 | Gerd Hoffmann | outbuf[0] = 0xf0; |
829 | 51ad87c9 | Gerd Hoffmann | outbuf[1] = 0; |
830 | a6d96eb7 | Hannes Reinecke | outbuf[2] = s->sense.key;
|
831 | a6d96eb7 | Hannes Reinecke | scsi_disk_clear_sense(s); |
832 | 51ad87c9 | Gerd Hoffmann | break;
|
833 | 0b06c059 | Gerd Hoffmann | case INQUIRY:
|
834 | 0b06c059 | Gerd Hoffmann | buflen = scsi_disk_emulate_inquiry(req, outbuf); |
835 | 0b06c059 | Gerd Hoffmann | if (buflen < 0) |
836 | 0b06c059 | Gerd Hoffmann | goto illegal_request;
|
837 | 0b06c059 | Gerd Hoffmann | break;
|
838 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE:
|
839 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE_10:
|
840 | ebddfcbe | Gerd Hoffmann | buflen = scsi_disk_emulate_mode_sense(req, outbuf); |
841 | ebddfcbe | Gerd Hoffmann | if (buflen < 0) |
842 | ebddfcbe | Gerd Hoffmann | goto illegal_request;
|
843 | ebddfcbe | Gerd Hoffmann | break;
|
844 | 02880f43 | Gerd Hoffmann | case READ_TOC:
|
845 | 02880f43 | Gerd Hoffmann | buflen = scsi_disk_emulate_read_toc(req, outbuf); |
846 | 02880f43 | Gerd Hoffmann | if (buflen < 0) |
847 | 02880f43 | Gerd Hoffmann | goto illegal_request;
|
848 | 02880f43 | Gerd Hoffmann | break;
|
849 | 3d53ba18 | Gerd Hoffmann | case RESERVE:
|
850 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 1) |
851 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
852 | 3d53ba18 | Gerd Hoffmann | break;
|
853 | 3d53ba18 | Gerd Hoffmann | case RESERVE_10:
|
854 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 3) |
855 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
856 | 3d53ba18 | Gerd Hoffmann | break;
|
857 | 3d53ba18 | Gerd Hoffmann | case RELEASE:
|
858 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 1) |
859 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
860 | 3d53ba18 | Gerd Hoffmann | break;
|
861 | 3d53ba18 | Gerd Hoffmann | case RELEASE_10:
|
862 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 3) |
863 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
864 | 3d53ba18 | Gerd Hoffmann | break;
|
865 | 8d3628ff | Gerd Hoffmann | case START_STOP:
|
866 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD && (req->cmd.buf[4] & 2)) { |
867 | 8d3628ff | Gerd Hoffmann | /* load/eject medium */
|
868 | 428c149b | Christoph Hellwig | bdrv_eject(s->bs, !(req->cmd.buf[4] & 1)); |
869 | 8d3628ff | Gerd Hoffmann | } |
870 | 8d3628ff | Gerd Hoffmann | break;
|
871 | c68b9f34 | Gerd Hoffmann | case ALLOW_MEDIUM_REMOVAL:
|
872 | 428c149b | Christoph Hellwig | bdrv_set_locked(s->bs, req->cmd.buf[4] & 1); |
873 | c68b9f34 | Gerd Hoffmann | break;
|
874 | e7e25e32 | Gerd Hoffmann | case READ_CAPACITY:
|
875 | e7e25e32 | Gerd Hoffmann | /* The normal LEN field for this command is zero. */
|
876 | e7e25e32 | Gerd Hoffmann | memset(outbuf, 0, 8); |
877 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
878 | e7e25e32 | Gerd Hoffmann | if (!nb_sectors)
|
879 | e7e25e32 | Gerd Hoffmann | goto not_ready;
|
880 | e7e25e32 | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
881 | e7e25e32 | Gerd Hoffmann | /* Returned value is the address of the last sector. */
|
882 | e7e25e32 | Gerd Hoffmann | nb_sectors--; |
883 | e7e25e32 | Gerd Hoffmann | /* Remember the new size for read/write sanity checking. */
|
884 | e7e25e32 | Gerd Hoffmann | s->max_lba = nb_sectors; |
885 | e7e25e32 | Gerd Hoffmann | /* Clip to 2TB, instead of returning capacity modulo 2TB. */
|
886 | e7e25e32 | Gerd Hoffmann | if (nb_sectors > UINT32_MAX)
|
887 | e7e25e32 | Gerd Hoffmann | nb_sectors = UINT32_MAX; |
888 | e7e25e32 | Gerd Hoffmann | outbuf[0] = (nb_sectors >> 24) & 0xff; |
889 | e7e25e32 | Gerd Hoffmann | outbuf[1] = (nb_sectors >> 16) & 0xff; |
890 | e7e25e32 | Gerd Hoffmann | outbuf[2] = (nb_sectors >> 8) & 0xff; |
891 | e7e25e32 | Gerd Hoffmann | outbuf[3] = nb_sectors & 0xff; |
892 | e7e25e32 | Gerd Hoffmann | outbuf[4] = 0; |
893 | e7e25e32 | Gerd Hoffmann | outbuf[5] = 0; |
894 | e7e25e32 | Gerd Hoffmann | outbuf[6] = s->cluster_size * 2; |
895 | e7e25e32 | Gerd Hoffmann | outbuf[7] = 0; |
896 | e7e25e32 | Gerd Hoffmann | buflen = 8;
|
897 | e7e25e32 | Gerd Hoffmann | break;
|
898 | fc903943 | Gerd Hoffmann | case SYNCHRONIZE_CACHE:
|
899 | 78ced65e | Kevin Wolf | ret = bdrv_flush(s->bs); |
900 | 78ced65e | Kevin Wolf | if (ret < 0) { |
901 | 78ced65e | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_FLUSH)) {
|
902 | 78ced65e | Kevin Wolf | return -1; |
903 | 78ced65e | Kevin Wolf | } |
904 | 78ced65e | Kevin Wolf | } |
905 | fc903943 | Gerd Hoffmann | break;
|
906 | 38215553 | Gerd Hoffmann | case GET_CONFIGURATION:
|
907 | 38215553 | Gerd Hoffmann | memset(outbuf, 0, 8); |
908 | 38215553 | Gerd Hoffmann | /* ??? This should probably return much more information. For now
|
909 | 38215553 | Gerd Hoffmann | just return the basic header indicating the CD-ROM profile. */
|
910 | 38215553 | Gerd Hoffmann | outbuf[7] = 8; // CD-ROM |
911 | 38215553 | Gerd Hoffmann | buflen = 8;
|
912 | 38215553 | Gerd Hoffmann | break;
|
913 | 5dd90e2a | Gerd Hoffmann | case SERVICE_ACTION_IN:
|
914 | 5dd90e2a | Gerd Hoffmann | /* Service Action In subcommands. */
|
915 | 5dd90e2a | Gerd Hoffmann | if ((req->cmd.buf[1] & 31) == 0x10) { |
916 | 5dd90e2a | Gerd Hoffmann | DPRINTF("SAI READ CAPACITY(16)\n");
|
917 | 5dd90e2a | Gerd Hoffmann | memset(outbuf, 0, req->cmd.xfer);
|
918 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
919 | 5dd90e2a | Gerd Hoffmann | if (!nb_sectors)
|
920 | 5dd90e2a | Gerd Hoffmann | goto not_ready;
|
921 | 5dd90e2a | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
922 | 5dd90e2a | Gerd Hoffmann | /* Returned value is the address of the last sector. */
|
923 | 5dd90e2a | Gerd Hoffmann | nb_sectors--; |
924 | 5dd90e2a | Gerd Hoffmann | /* Remember the new size for read/write sanity checking. */
|
925 | 5dd90e2a | Gerd Hoffmann | s->max_lba = nb_sectors; |
926 | 5dd90e2a | Gerd Hoffmann | outbuf[0] = (nb_sectors >> 56) & 0xff; |
927 | 5dd90e2a | Gerd Hoffmann | outbuf[1] = (nb_sectors >> 48) & 0xff; |
928 | 5dd90e2a | Gerd Hoffmann | outbuf[2] = (nb_sectors >> 40) & 0xff; |
929 | 5dd90e2a | Gerd Hoffmann | outbuf[3] = (nb_sectors >> 32) & 0xff; |
930 | 5dd90e2a | Gerd Hoffmann | outbuf[4] = (nb_sectors >> 24) & 0xff; |
931 | 5dd90e2a | Gerd Hoffmann | outbuf[5] = (nb_sectors >> 16) & 0xff; |
932 | 5dd90e2a | Gerd Hoffmann | outbuf[6] = (nb_sectors >> 8) & 0xff; |
933 | 5dd90e2a | Gerd Hoffmann | outbuf[7] = nb_sectors & 0xff; |
934 | 5dd90e2a | Gerd Hoffmann | outbuf[8] = 0; |
935 | 5dd90e2a | Gerd Hoffmann | outbuf[9] = 0; |
936 | 5dd90e2a | Gerd Hoffmann | outbuf[10] = s->cluster_size * 2; |
937 | 5dd90e2a | Gerd Hoffmann | outbuf[11] = 0; |
938 | ee3659e3 | Christoph Hellwig | outbuf[12] = 0; |
939 | ee3659e3 | Christoph Hellwig | outbuf[13] = get_physical_block_exp(&s->qdev.conf);
|
940 | ea3bd56f | Christoph Hellwig | |
941 | ea3bd56f | Christoph Hellwig | /* set TPE bit if the format supports discard */
|
942 | ea3bd56f | Christoph Hellwig | if (s->qdev.conf.discard_granularity) {
|
943 | ea3bd56f | Christoph Hellwig | outbuf[14] = 0x80; |
944 | ea3bd56f | Christoph Hellwig | } |
945 | ea3bd56f | Christoph Hellwig | |
946 | 5dd90e2a | Gerd Hoffmann | /* Protection, exponent and lowest lba field left blank. */
|
947 | 5dd90e2a | Gerd Hoffmann | buflen = req->cmd.xfer; |
948 | 5dd90e2a | Gerd Hoffmann | break;
|
949 | 5dd90e2a | Gerd Hoffmann | } |
950 | 5dd90e2a | Gerd Hoffmann | DPRINTF("Unsupported Service Action In\n");
|
951 | 5dd90e2a | Gerd Hoffmann | goto illegal_request;
|
952 | 39ec9a50 | Gerd Hoffmann | case REPORT_LUNS:
|
953 | 39ec9a50 | Gerd Hoffmann | if (req->cmd.xfer < 16) |
954 | 39ec9a50 | Gerd Hoffmann | goto illegal_request;
|
955 | 39ec9a50 | Gerd Hoffmann | memset(outbuf, 0, 16); |
956 | 39ec9a50 | Gerd Hoffmann | outbuf[3] = 8; |
957 | 39ec9a50 | Gerd Hoffmann | buflen = 16;
|
958 | 39ec9a50 | Gerd Hoffmann | break;
|
959 | 88f8a5ed | Gerd Hoffmann | case VERIFY:
|
960 | 88f8a5ed | Gerd Hoffmann | break;
|
961 | ebef0bbb | Bernhard Kohl | case REZERO_UNIT:
|
962 | ebef0bbb | Bernhard Kohl | DPRINTF("Rezero Unit\n");
|
963 | ebef0bbb | Bernhard Kohl | if (!bdrv_is_inserted(s->bs)) {
|
964 | ebef0bbb | Bernhard Kohl | goto not_ready;
|
965 | ebef0bbb | Bernhard Kohl | } |
966 | ebef0bbb | Bernhard Kohl | break;
|
967 | aa5dbdc1 | Gerd Hoffmann | default:
|
968 | aa5dbdc1 | Gerd Hoffmann | goto illegal_request;
|
969 | aa5dbdc1 | Gerd Hoffmann | } |
970 | a6d96eb7 | Hannes Reinecke | scsi_req_set_status(r, GOOD, NO_SENSE); |
971 | aa5dbdc1 | Gerd Hoffmann | return buflen;
|
972 | aa5dbdc1 | Gerd Hoffmann | |
973 | aa5dbdc1 | Gerd Hoffmann | not_ready:
|
974 | 8af7a3ab | Kevin Wolf | scsi_command_complete(r, CHECK_CONDITION, NOT_READY); |
975 | 8af7a3ab | Kevin Wolf | return -1; |
976 | aa5dbdc1 | Gerd Hoffmann | |
977 | aa5dbdc1 | Gerd Hoffmann | illegal_request:
|
978 | 8af7a3ab | Kevin Wolf | scsi_command_complete(r, CHECK_CONDITION, ILLEGAL_REQUEST); |
979 | 8af7a3ab | Kevin Wolf | return -1; |
980 | aa5dbdc1 | Gerd Hoffmann | } |
981 | aa5dbdc1 | Gerd Hoffmann | |
982 | 2e5d83bb | pbrook | /* Execute a scsi command. Returns the length of the data expected by the
|
983 | 2e5d83bb | pbrook | command. This will be Positive for data transfers from the device
|
984 | 2e5d83bb | pbrook | (eg. disk reads), negative for transfers to the device (eg. disk writes),
|
985 | 2e5d83bb | pbrook | and zero if the command does not transfer any data. */
|
986 | 2e5d83bb | pbrook | |
987 | 5c6c0e51 | Hannes Reinecke | static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
|
988 | 2e5d83bb | pbrook | { |
989 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
990 | 5c6c0e51 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
991 | ad2d30f7 | Paolo Bonzini | int32_t len; |
992 | 2e5d83bb | pbrook | int is_write;
|
993 | a917d384 | pbrook | uint8_t command; |
994 | a917d384 | pbrook | uint8_t *outbuf; |
995 | aa5dbdc1 | Gerd Hoffmann | int rc;
|
996 | a917d384 | pbrook | |
997 | 5c6c0e51 | Hannes Reinecke | scsi_req_enqueue(req); |
998 | a917d384 | pbrook | command = buf[0];
|
999 | 3f4cb3d3 | blueswir1 | outbuf = (uint8_t *)r->iov.iov_base; |
1000 | 2e5d83bb | pbrook | is_write = 0;
|
1001 | a917d384 | pbrook | DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, tag, buf[0]); |
1002 | 2dd791b6 | Hannes Reinecke | |
1003 | 2dd791b6 | Hannes Reinecke | if (scsi_req_parse(&r->req, buf) != 0) { |
1004 | a917d384 | pbrook | BADF("Unsupported command length, command %x\n", command);
|
1005 | 2e5d83bb | pbrook | goto fail;
|
1006 | 2e5d83bb | pbrook | } |
1007 | 2e5d83bb | pbrook | #ifdef DEBUG_SCSI
|
1008 | 2e5d83bb | pbrook | { |
1009 | 2e5d83bb | pbrook | int i;
|
1010 | 2dd791b6 | Hannes Reinecke | for (i = 1; i < r->req.cmd.len; i++) { |
1011 | 2e5d83bb | pbrook | printf(" 0x%02x", buf[i]);
|
1012 | 2e5d83bb | pbrook | } |
1013 | 2e5d83bb | pbrook | printf("\n");
|
1014 | 2e5d83bb | pbrook | } |
1015 | 2e5d83bb | pbrook | #endif
|
1016 | aa5dbdc1 | Gerd Hoffmann | |
1017 | 5c6c0e51 | Hannes Reinecke | if (req->lun || buf[1] >> 5) { |
1018 | 2e5d83bb | pbrook | /* Only LUN 0 supported. */
|
1019 | 5c6c0e51 | Hannes Reinecke | DPRINTF("Unimplemented LUN %d\n", req->lun ? req->lun : buf[1] >> 5); |
1020 | ebf46023 | Gerd Hoffmann | if (command != REQUEST_SENSE && command != INQUIRY)
|
1021 | 22864256 | blueswir1 | goto fail;
|
1022 | 2e5d83bb | pbrook | } |
1023 | a917d384 | pbrook | switch (command) {
|
1024 | ebf46023 | Gerd Hoffmann | case TEST_UNIT_READY:
|
1025 | 51ad87c9 | Gerd Hoffmann | case REQUEST_SENSE:
|
1026 | 0b06c059 | Gerd Hoffmann | case INQUIRY:
|
1027 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE:
|
1028 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE_10:
|
1029 | 3d53ba18 | Gerd Hoffmann | case RESERVE:
|
1030 | 3d53ba18 | Gerd Hoffmann | case RESERVE_10:
|
1031 | 3d53ba18 | Gerd Hoffmann | case RELEASE:
|
1032 | 3d53ba18 | Gerd Hoffmann | case RELEASE_10:
|
1033 | 8d3628ff | Gerd Hoffmann | case START_STOP:
|
1034 | c68b9f34 | Gerd Hoffmann | case ALLOW_MEDIUM_REMOVAL:
|
1035 | e7e25e32 | Gerd Hoffmann | case READ_CAPACITY:
|
1036 | fc903943 | Gerd Hoffmann | case SYNCHRONIZE_CACHE:
|
1037 | 02880f43 | Gerd Hoffmann | case READ_TOC:
|
1038 | 38215553 | Gerd Hoffmann | case GET_CONFIGURATION:
|
1039 | 5dd90e2a | Gerd Hoffmann | case SERVICE_ACTION_IN:
|
1040 | 39ec9a50 | Gerd Hoffmann | case REPORT_LUNS:
|
1041 | 88f8a5ed | Gerd Hoffmann | case VERIFY:
|
1042 | ebef0bbb | Bernhard Kohl | case REZERO_UNIT:
|
1043 | 8af7a3ab | Kevin Wolf | rc = scsi_disk_emulate_command(r, outbuf); |
1044 | 8af7a3ab | Kevin Wolf | if (rc < 0) { |
1045 | 0b06c059 | Gerd Hoffmann | return 0; |
1046 | aa5dbdc1 | Gerd Hoffmann | } |
1047 | 8af7a3ab | Kevin Wolf | |
1048 | 8af7a3ab | Kevin Wolf | r->iov.iov_len = rc; |
1049 | 0b06c059 | Gerd Hoffmann | break;
|
1050 | ebf46023 | Gerd Hoffmann | case READ_6:
|
1051 | ebf46023 | Gerd Hoffmann | case READ_10:
|
1052 | bd536cf3 | Gerd Hoffmann | case READ_12:
|
1053 | bd536cf3 | Gerd Hoffmann | case READ_16:
|
1054 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1055 | 2dd791b6 | Hannes Reinecke | DPRINTF("Read (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len); |
1056 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba)
|
1057 | 274fb0e1 | aliguori | goto illegal_lba;
|
1058 | 2dd791b6 | Hannes Reinecke | r->sector = r->req.cmd.lba * s->cluster_size; |
1059 | a917d384 | pbrook | r->sector_count = len * s->cluster_size; |
1060 | 2e5d83bb | pbrook | break;
|
1061 | ebf46023 | Gerd Hoffmann | case WRITE_6:
|
1062 | ebf46023 | Gerd Hoffmann | case WRITE_10:
|
1063 | bd536cf3 | Gerd Hoffmann | case WRITE_12:
|
1064 | bd536cf3 | Gerd Hoffmann | case WRITE_16:
|
1065 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY:
|
1066 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY_12:
|
1067 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY_16:
|
1068 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1069 | ebef0bbb | Bernhard Kohl | DPRINTF("Write %s(sector %" PRId64 ", count %d)\n", |
1070 | 2dd791b6 | Hannes Reinecke | (command & 0xe) == 0xe ? "And Verify " : "", |
1071 | 2dd791b6 | Hannes Reinecke | r->req.cmd.lba, len); |
1072 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba)
|
1073 | 274fb0e1 | aliguori | goto illegal_lba;
|
1074 | 2dd791b6 | Hannes Reinecke | r->sector = r->req.cmd.lba * s->cluster_size; |
1075 | a917d384 | pbrook | r->sector_count = len * s->cluster_size; |
1076 | 2e5d83bb | pbrook | is_write = 1;
|
1077 | 2e5d83bb | pbrook | break;
|
1078 | ebef0bbb | Bernhard Kohl | case MODE_SELECT:
|
1079 | 2dd791b6 | Hannes Reinecke | DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer); |
1080 | ebef0bbb | Bernhard Kohl | /* We don't support mode parameter changes.
|
1081 | ebef0bbb | Bernhard Kohl | Allow the mode parameter header + block descriptors only. */
|
1082 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.xfer > 12) { |
1083 | ebef0bbb | Bernhard Kohl | goto fail;
|
1084 | ebef0bbb | Bernhard Kohl | } |
1085 | ebef0bbb | Bernhard Kohl | break;
|
1086 | ebef0bbb | Bernhard Kohl | case MODE_SELECT_10:
|
1087 | 2dd791b6 | Hannes Reinecke | DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer); |
1088 | ebef0bbb | Bernhard Kohl | /* We don't support mode parameter changes.
|
1089 | ebef0bbb | Bernhard Kohl | Allow the mode parameter header + block descriptors only. */
|
1090 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.xfer > 16) { |
1091 | ebef0bbb | Bernhard Kohl | goto fail;
|
1092 | ebef0bbb | Bernhard Kohl | } |
1093 | ebef0bbb | Bernhard Kohl | break;
|
1094 | ebef0bbb | Bernhard Kohl | case SEEK_6:
|
1095 | ebef0bbb | Bernhard Kohl | case SEEK_10:
|
1096 | 2dd791b6 | Hannes Reinecke | DPRINTF("Seek(%d) (sector %" PRId64 ")\n", command == SEEK_6 ? 6 : 10, |
1097 | 2dd791b6 | Hannes Reinecke | r->req.cmd.lba); |
1098 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba) {
|
1099 | ebef0bbb | Bernhard Kohl | goto illegal_lba;
|
1100 | ebef0bbb | Bernhard Kohl | } |
1101 | ebef0bbb | Bernhard Kohl | break;
|
1102 | ea3bd56f | Christoph Hellwig | case WRITE_SAME_16:
|
1103 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1104 | ea3bd56f | Christoph Hellwig | |
1105 | ea3bd56f | Christoph Hellwig | DPRINTF("WRITE SAME(16) (sector %" PRId64 ", count %d)\n", |
1106 | ea3bd56f | Christoph Hellwig | r->req.cmd.lba, len); |
1107 | ea3bd56f | Christoph Hellwig | |
1108 | ea3bd56f | Christoph Hellwig | if (r->req.cmd.lba > s->max_lba) {
|
1109 | ea3bd56f | Christoph Hellwig | goto illegal_lba;
|
1110 | ea3bd56f | Christoph Hellwig | } |
1111 | ea3bd56f | Christoph Hellwig | |
1112 | ea3bd56f | Christoph Hellwig | /*
|
1113 | ea3bd56f | Christoph Hellwig | * We only support WRITE SAME with the unmap bit set for now.
|
1114 | ea3bd56f | Christoph Hellwig | */
|
1115 | ea3bd56f | Christoph Hellwig | if (!(buf[1] & 0x8)) { |
1116 | ea3bd56f | Christoph Hellwig | goto fail;
|
1117 | ea3bd56f | Christoph Hellwig | } |
1118 | ea3bd56f | Christoph Hellwig | |
1119 | ea3bd56f | Christoph Hellwig | rc = bdrv_discard(s->bs, r->req.cmd.lba * s->cluster_size, |
1120 | ea3bd56f | Christoph Hellwig | len * s->cluster_size); |
1121 | ea3bd56f | Christoph Hellwig | if (rc < 0) { |
1122 | ea3bd56f | Christoph Hellwig | /* XXX: better error code ?*/
|
1123 | ea3bd56f | Christoph Hellwig | goto fail;
|
1124 | ea3bd56f | Christoph Hellwig | } |
1125 | ea3bd56f | Christoph Hellwig | |
1126 | ea3bd56f | Christoph Hellwig | break;
|
1127 | 2e5d83bb | pbrook | default:
|
1128 | 2dd791b6 | Hannes Reinecke | DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]); |
1129 | 2e5d83bb | pbrook | fail:
|
1130 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, CHECK_CONDITION, ILLEGAL_REQUEST); |
1131 | 2dd791b6 | Hannes Reinecke | return 0; |
1132 | 274fb0e1 | aliguori | illegal_lba:
|
1133 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, CHECK_CONDITION, HARDWARE_ERROR); |
1134 | 274fb0e1 | aliguori | return 0; |
1135 | 2e5d83bb | pbrook | } |
1136 | c87c0672 | aliguori | if (r->sector_count == 0 && r->iov.iov_len == 0) { |
1137 | 0d65e1f8 | Gerd Hoffmann | scsi_command_complete(r, GOOD, NO_SENSE); |
1138 | a917d384 | pbrook | } |
1139 | c87c0672 | aliguori | len = r->sector_count * 512 + r->iov.iov_len;
|
1140 | a917d384 | pbrook | if (is_write) {
|
1141 | ad2d30f7 | Paolo Bonzini | len = -len; |
1142 | a917d384 | pbrook | } else {
|
1143 | a917d384 | pbrook | if (!r->sector_count)
|
1144 | a917d384 | pbrook | r->sector_count = -1;
|
1145 | 2e5d83bb | pbrook | } |
1146 | ad2d30f7 | Paolo Bonzini | return len;
|
1147 | 2e5d83bb | pbrook | } |
1148 | 2e5d83bb | pbrook | |
1149 | e9447f35 | Jan Kiszka | static void scsi_disk_reset(DeviceState *dev) |
1150 | e9447f35 | Jan Kiszka | { |
1151 | e9447f35 | Jan Kiszka | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev); |
1152 | e9447f35 | Jan Kiszka | uint64_t nb_sectors; |
1153 | e9447f35 | Jan Kiszka | |
1154 | c557e889 | Paolo Bonzini | scsi_device_purge_requests(&s->qdev); |
1155 | e9447f35 | Jan Kiszka | |
1156 | e9447f35 | Jan Kiszka | bdrv_get_geometry(s->bs, &nb_sectors); |
1157 | e9447f35 | Jan Kiszka | nb_sectors /= s->cluster_size; |
1158 | e9447f35 | Jan Kiszka | if (nb_sectors) {
|
1159 | e9447f35 | Jan Kiszka | nb_sectors--; |
1160 | e9447f35 | Jan Kiszka | } |
1161 | e9447f35 | Jan Kiszka | s->max_lba = nb_sectors; |
1162 | e9447f35 | Jan Kiszka | } |
1163 | e9447f35 | Jan Kiszka | |
1164 | e9447f35 | Jan Kiszka | static void scsi_destroy(SCSIDevice *dev) |
1165 | e9447f35 | Jan Kiszka | { |
1166 | e9447f35 | Jan Kiszka | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1167 | e9447f35 | Jan Kiszka | |
1168 | c557e889 | Paolo Bonzini | scsi_device_purge_requests(&s->qdev); |
1169 | f8b6cc00 | Markus Armbruster | blockdev_mark_auto_del(s->qdev.conf.bs); |
1170 | 56a14938 | Gerd Hoffmann | } |
1171 | 56a14938 | Gerd Hoffmann | |
1172 | b443ae67 | Markus Armbruster | static int scsi_initfn(SCSIDevice *dev, SCSIDriveKind kind) |
1173 | 2e5d83bb | pbrook | { |
1174 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1175 | f8b6cc00 | Markus Armbruster | DriveInfo *dinfo; |
1176 | 2e5d83bb | pbrook | |
1177 | f8b6cc00 | Markus Armbruster | if (!s->qdev.conf.bs) {
|
1178 | 1ecda02b | Markus Armbruster | error_report("scsi-disk: drive property not set");
|
1179 | d52affa7 | Gerd Hoffmann | return -1; |
1180 | d52affa7 | Gerd Hoffmann | } |
1181 | f8b6cc00 | Markus Armbruster | s->bs = s->qdev.conf.bs; |
1182 | b443ae67 | Markus Armbruster | s->drive_kind = kind; |
1183 | d52affa7 | Gerd Hoffmann | |
1184 | b443ae67 | Markus Armbruster | if (kind == SCSI_HD && !bdrv_is_inserted(s->bs)) {
|
1185 | 98f28ad7 | Markus Armbruster | error_report("Device needs media, but drive is empty");
|
1186 | 98f28ad7 | Markus Armbruster | return -1; |
1187 | 98f28ad7 | Markus Armbruster | } |
1188 | 98f28ad7 | Markus Armbruster | |
1189 | a0fef654 | Markus Armbruster | if (!s->serial) {
|
1190 | f8b6cc00 | Markus Armbruster | /* try to fall back to value set with legacy -drive serial=... */
|
1191 | f8b6cc00 | Markus Armbruster | dinfo = drive_get_by_blockdev(s->bs); |
1192 | f8b6cc00 | Markus Armbruster | s->serial = qemu_strdup(*dinfo->serial ? dinfo->serial : "0");
|
1193 | a0fef654 | Markus Armbruster | } |
1194 | a0fef654 | Markus Armbruster | |
1195 | 552fee93 | Markus Armbruster | if (!s->version) {
|
1196 | 552fee93 | Markus Armbruster | s->version = qemu_strdup(QEMU_VERSION); |
1197 | 552fee93 | Markus Armbruster | } |
1198 | 552fee93 | Markus Armbruster | |
1199 | 32bb404a | Markus Armbruster | if (bdrv_is_sg(s->bs)) {
|
1200 | 1ecda02b | Markus Armbruster | error_report("scsi-disk: unwanted /dev/sg*");
|
1201 | 32bb404a | Markus Armbruster | return -1; |
1202 | 32bb404a | Markus Armbruster | } |
1203 | 32bb404a | Markus Armbruster | |
1204 | b443ae67 | Markus Armbruster | if (kind == SCSI_CD) {
|
1205 | 8cfacf07 | Christoph Hellwig | s->qdev.blocksize = 2048;
|
1206 | 2e5d83bb | pbrook | } else {
|
1207 | 8cfacf07 | Christoph Hellwig | s->qdev.blocksize = s->qdev.conf.logical_block_size; |
1208 | 2e5d83bb | pbrook | } |
1209 | 8cfacf07 | Christoph Hellwig | s->cluster_size = s->qdev.blocksize / 512;
|
1210 | 73fdb1e1 | Christoph Hellwig | s->bs->buffer_alignment = s->qdev.blocksize; |
1211 | 8cfacf07 | Christoph Hellwig | |
1212 | 91376656 | Gerd Hoffmann | s->qdev.type = TYPE_DISK; |
1213 | ea8a5d7f | aliguori | qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s); |
1214 | b443ae67 | Markus Armbruster | bdrv_set_removable(s->bs, kind == SCSI_CD); |
1215 | 1ca4d09a | Gleb Natapov | add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, ",0");
|
1216 | d52affa7 | Gerd Hoffmann | return 0; |
1217 | d52affa7 | Gerd Hoffmann | } |
1218 | d52affa7 | Gerd Hoffmann | |
1219 | b443ae67 | Markus Armbruster | static int scsi_hd_initfn(SCSIDevice *dev) |
1220 | b443ae67 | Markus Armbruster | { |
1221 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, SCSI_HD);
|
1222 | b443ae67 | Markus Armbruster | } |
1223 | b443ae67 | Markus Armbruster | |
1224 | b443ae67 | Markus Armbruster | static int scsi_cd_initfn(SCSIDevice *dev) |
1225 | b443ae67 | Markus Armbruster | { |
1226 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, SCSI_CD);
|
1227 | b443ae67 | Markus Armbruster | } |
1228 | b443ae67 | Markus Armbruster | |
1229 | b443ae67 | Markus Armbruster | static int scsi_disk_initfn(SCSIDevice *dev) |
1230 | b443ae67 | Markus Armbruster | { |
1231 | b443ae67 | Markus Armbruster | SCSIDriveKind kind; |
1232 | 95b5edcd | Markus Armbruster | DriveInfo *dinfo; |
1233 | b443ae67 | Markus Armbruster | |
1234 | b443ae67 | Markus Armbruster | if (!dev->conf.bs) {
|
1235 | b443ae67 | Markus Armbruster | kind = SCSI_HD; /* will die in scsi_initfn() */
|
1236 | b443ae67 | Markus Armbruster | } else {
|
1237 | 95b5edcd | Markus Armbruster | dinfo = drive_get_by_blockdev(dev->conf.bs); |
1238 | 95b5edcd | Markus Armbruster | kind = dinfo->media_cd ? SCSI_CD : SCSI_HD; |
1239 | b443ae67 | Markus Armbruster | } |
1240 | b443ae67 | Markus Armbruster | |
1241 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, kind);
|
1242 | b443ae67 | Markus Armbruster | } |
1243 | b443ae67 | Markus Armbruster | |
1244 | b443ae67 | Markus Armbruster | #define DEFINE_SCSI_DISK_PROPERTIES() \
|
1245 | b443ae67 | Markus Armbruster | DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf), \ |
1246 | b443ae67 | Markus Armbruster | DEFINE_PROP_STRING("ver", SCSIDiskState, version), \
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1247 | b443ae67 | Markus Armbruster | DEFINE_PROP_STRING("serial", SCSIDiskState, serial)
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1248 | b443ae67 | Markus Armbruster | |
1249 | b443ae67 | Markus Armbruster | static SCSIDeviceInfo scsi_disk_info[] = {
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1250 | b443ae67 | Markus Armbruster | { |
1251 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-hd",
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1252 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1253 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI disk",
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1254 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1255 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1256 | b443ae67 | Markus Armbruster | .init = scsi_hd_initfn, |
1257 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1258 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1259 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1260 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1261 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1262 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1263 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1264 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1265 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1266 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1267 | b443ae67 | Markus Armbruster | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), |
1268 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1269 | b443ae67 | Markus Armbruster | } |
1270 | b443ae67 | Markus Armbruster | },{ |
1271 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-cd",
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1272 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1273 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI CD-ROM",
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1274 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1275 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1276 | b443ae67 | Markus Armbruster | .init = scsi_cd_initfn, |
1277 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1278 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1279 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1280 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1281 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1282 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1283 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1284 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1285 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1286 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1287 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1288 | b443ae67 | Markus Armbruster | }, |
1289 | b443ae67 | Markus Armbruster | },{ |
1290 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-disk", /* legacy -device scsi-disk */ |
1291 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1292 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI disk or CD-ROM (legacy)",
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1293 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1294 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1295 | b443ae67 | Markus Armbruster | .init = scsi_disk_initfn, |
1296 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1297 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1298 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1299 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1300 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1301 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1302 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1303 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1304 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1305 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1306 | b443ae67 | Markus Armbruster | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), |
1307 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1308 | b443ae67 | Markus Armbruster | } |
1309 | b443ae67 | Markus Armbruster | } |
1310 | d52affa7 | Gerd Hoffmann | }; |
1311 | d52affa7 | Gerd Hoffmann | |
1312 | d52affa7 | Gerd Hoffmann | static void scsi_disk_register_devices(void) |
1313 | d52affa7 | Gerd Hoffmann | { |
1314 | b443ae67 | Markus Armbruster | int i;
|
1315 | b443ae67 | Markus Armbruster | |
1316 | b443ae67 | Markus Armbruster | for (i = 0; i < ARRAY_SIZE(scsi_disk_info); i++) { |
1317 | b443ae67 | Markus Armbruster | scsi_qdev_register(&scsi_disk_info[i]); |
1318 | b443ae67 | Markus Armbruster | } |
1319 | 8ccc2ace | ths | } |
1320 | d52affa7 | Gerd Hoffmann | device_init(scsi_disk_register_devices) |