root / hw / scsi-disk.c @ a1f0cce2
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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 | 4c41d2ef | Gerd Hoffmann | typedef struct SCSIDiskReq { |
53 | 4c41d2ef | Gerd Hoffmann | SCSIRequest req; |
54 | e035b43d | aliguori | /* ??? We should probably keep track of whether the data transfer is
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55 | 2e5d83bb | pbrook | a read or a write. Currently we rely on the host getting it right. */
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56 | a917d384 | pbrook | /* Both sector and sector_count are in terms of qemu 512 byte blocks. */
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57 | e035b43d | aliguori | uint64_t sector; |
58 | e035b43d | aliguori | uint32_t sector_count; |
59 | c87c0672 | aliguori | struct iovec iov;
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60 | c87c0672 | aliguori | QEMUIOVector qiov; |
61 | ea8a5d7f | aliguori | uint32_t status; |
62 | 4c41d2ef | Gerd Hoffmann | } SCSIDiskReq; |
63 | a917d384 | pbrook | |
64 | b443ae67 | Markus Armbruster | typedef enum { SCSI_HD, SCSI_CD } SCSIDriveKind; |
65 | b443ae67 | Markus Armbruster | |
66 | d52affa7 | Gerd Hoffmann | struct SCSIDiskState
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67 | a917d384 | pbrook | { |
68 | d52affa7 | Gerd Hoffmann | SCSIDevice qdev; |
69 | 428c149b | Christoph Hellwig | BlockDriverState *bs; |
70 | a917d384 | pbrook | /* The qemu block layer uses a fixed 512 byte sector size.
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71 | a917d384 | pbrook | This is the number of 512 byte blocks in a single scsi sector. */
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72 | a917d384 | pbrook | int cluster_size;
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73 | 419e691f | Stefan Hajnoczi | uint32_t removable; |
74 | 274fb0e1 | aliguori | uint64_t max_lba; |
75 | 213189ab | Markus Armbruster | QEMUBH *bh; |
76 | 383b4d9b | Gerd Hoffmann | char *version;
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77 | a0fef654 | Markus Armbruster | char *serial;
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78 | a6d96eb7 | Hannes Reinecke | SCSISense sense; |
79 | b443ae67 | Markus Armbruster | SCSIDriveKind drive_kind; |
80 | 2e5d83bb | pbrook | }; |
81 | 2e5d83bb | pbrook | |
82 | 5dba48a8 | Kevin Wolf | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type); |
83 | 78ced65e | Kevin Wolf | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf); |
84 | 5dba48a8 | Kevin Wolf | |
85 | 5c6c0e51 | Hannes Reinecke | static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag,
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86 | 72aef731 | Christoph Hellwig | uint32_t lun) |
87 | 2e5d83bb | pbrook | { |
88 | 5c6c0e51 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); |
89 | 89b08ae1 | Gerd Hoffmann | SCSIRequest *req; |
90 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r; |
91 | a917d384 | pbrook | |
92 | 72aef731 | Christoph Hellwig | req = scsi_req_alloc(sizeof(SCSIDiskReq), &s->qdev, tag, lun);
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93 | 89b08ae1 | Gerd Hoffmann | r = DO_UPCAST(SCSIDiskReq, req, req); |
94 | 72aef731 | Christoph Hellwig | r->iov.iov_base = qemu_blockalign(s->bs, SCSI_DMA_BUF_SIZE); |
95 | 5c6c0e51 | Hannes Reinecke | return req;
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96 | 2e5d83bb | pbrook | } |
97 | 2e5d83bb | pbrook | |
98 | ad2d30f7 | Paolo Bonzini | static void scsi_free_request(SCSIRequest *req) |
99 | 4d611c9a | pbrook | { |
100 | ad2d30f7 | Paolo Bonzini | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
101 | ad2d30f7 | Paolo Bonzini | |
102 | f8a83245 | Herve Poussineau | qemu_vfree(r->iov.iov_base); |
103 | 4d611c9a | pbrook | } |
104 | 4d611c9a | pbrook | |
105 | a6d96eb7 | Hannes Reinecke | static void scsi_disk_clear_sense(SCSIDiskState *s) |
106 | ed3a34a3 | Gerd Hoffmann | { |
107 | a6d96eb7 | Hannes Reinecke | memset(&s->sense, 0, sizeof(s->sense)); |
108 | a6d96eb7 | Hannes Reinecke | } |
109 | a6d96eb7 | Hannes Reinecke | |
110 | a1f0cce2 | Hannes Reinecke | static void scsi_req_set_status(SCSIDiskReq *r, int status, SCSISense sense) |
111 | a6d96eb7 | Hannes Reinecke | { |
112 | a6d96eb7 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
113 | a6d96eb7 | Hannes Reinecke | |
114 | a6d96eb7 | Hannes Reinecke | r->req.status = status; |
115 | a1f0cce2 | Hannes Reinecke | s->sense = sense; |
116 | ed3a34a3 | Gerd Hoffmann | } |
117 | ed3a34a3 | Gerd Hoffmann | |
118 | a917d384 | pbrook | /* Helper function for command completion. */
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119 | a1f0cce2 | Hannes Reinecke | static void scsi_command_complete(SCSIDiskReq *r, int status, SCSISense sense) |
120 | a917d384 | pbrook | { |
121 | a1f0cce2 | Hannes Reinecke | DPRINTF("Command complete tag=0x%x status=%d sense=%d/%d/%d\n",
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122 | a1f0cce2 | Hannes Reinecke | r->req.tag, status, sense.key, sense.asc, sense.ascq); |
123 | a6d96eb7 | Hannes Reinecke | scsi_req_set_status(r, status, sense); |
124 | ed3a34a3 | Gerd Hoffmann | scsi_req_complete(&r->req); |
125 | 4d611c9a | pbrook | } |
126 | 4d611c9a | pbrook | |
127 | 4d611c9a | pbrook | /* Cancel a pending data transfer. */
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128 | 5c6c0e51 | Hannes Reinecke | static void scsi_cancel_io(SCSIRequest *req) |
129 | 4d611c9a | pbrook | { |
130 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
131 | 5c6c0e51 | Hannes Reinecke | |
132 | 5c6c0e51 | Hannes Reinecke | DPRINTF("Cancel tag=0x%x\n", req->tag);
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133 | 5c6c0e51 | Hannes Reinecke | if (r->req.aiocb) {
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134 | 5c6c0e51 | Hannes Reinecke | bdrv_aio_cancel(r->req.aiocb); |
135 | a917d384 | pbrook | } |
136 | 5c6c0e51 | Hannes Reinecke | r->req.aiocb = NULL;
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137 | a917d384 | pbrook | } |
138 | a917d384 | pbrook | |
139 | a917d384 | pbrook | static void scsi_read_complete(void * opaque, int ret) |
140 | a917d384 | pbrook | { |
141 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
142 | 5dba48a8 | Kevin Wolf | int n;
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143 | a917d384 | pbrook | |
144 | 3e94cb02 | Jan Kiszka | r->req.aiocb = NULL;
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145 | 3e94cb02 | Jan Kiszka | |
146 | a917d384 | pbrook | if (ret) {
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147 | 5dba48a8 | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_READ)) {
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148 | 5dba48a8 | Kevin Wolf | return;
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149 | 5dba48a8 | Kevin Wolf | } |
150 | 4d611c9a | pbrook | } |
151 | 5dba48a8 | Kevin Wolf | |
152 | aa2b1e89 | Bernhard Kohl | DPRINTF("Data ready tag=0x%x len=%zd\n", r->req.tag, r->iov.iov_len);
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153 | a917d384 | pbrook | |
154 | 5dba48a8 | Kevin Wolf | n = r->iov.iov_len / 512;
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155 | 5dba48a8 | Kevin Wolf | r->sector += n; |
156 | 5dba48a8 | Kevin Wolf | r->sector_count -= n; |
157 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, r->iov.iov_len); |
158 | 4d611c9a | pbrook | } |
159 | 4d611c9a | pbrook | |
160 | 5dba48a8 | Kevin Wolf | |
161 | 5c6c0e51 | Hannes Reinecke | /* Read more data from scsi device into buffer. */
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162 | 5c6c0e51 | Hannes Reinecke | static void scsi_read_data(SCSIRequest *req) |
163 | 2e5d83bb | pbrook | { |
164 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
165 | 5dba48a8 | Kevin Wolf | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
166 | 2e5d83bb | pbrook | uint32_t n; |
167 | 2e5d83bb | pbrook | |
168 | a917d384 | pbrook | if (r->sector_count == (uint32_t)-1) { |
169 | aa2b1e89 | Bernhard Kohl | DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);
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170 | a917d384 | pbrook | r->sector_count = 0;
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171 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, r->iov.iov_len); |
172 | a917d384 | pbrook | return;
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173 | 2e5d83bb | pbrook | } |
174 | a917d384 | pbrook | DPRINTF("Read sector_count=%d\n", r->sector_count);
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175 | a917d384 | pbrook | if (r->sector_count == 0) { |
176 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, GOOD, SENSE_CODE(NO_SENSE)); |
177 | a917d384 | pbrook | return;
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178 | 2e5d83bb | pbrook | } |
179 | 2e5d83bb | pbrook | |
180 | 6fa2c95f | Stefan Hajnoczi | /* No data transfer may already be in progress */
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181 | 6fa2c95f | Stefan Hajnoczi | assert(r->req.aiocb == NULL);
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182 | 6fa2c95f | Stefan Hajnoczi | |
183 | a917d384 | pbrook | n = r->sector_count; |
184 | a917d384 | pbrook | if (n > SCSI_DMA_BUF_SIZE / 512) |
185 | a917d384 | pbrook | n = SCSI_DMA_BUF_SIZE / 512;
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186 | a917d384 | pbrook | |
187 | c87c0672 | aliguori | r->iov.iov_len = n * 512;
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188 | c87c0672 | aliguori | qemu_iovec_init_external(&r->qiov, &r->iov, 1);
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189 | 428c149b | Christoph Hellwig | r->req.aiocb = bdrv_aio_readv(s->bs, r->sector, &r->qiov, n, |
190 | c87c0672 | aliguori | scsi_read_complete, r); |
191 | d33ea50a | Kevin Wolf | if (r->req.aiocb == NULL) { |
192 | d33ea50a | Kevin Wolf | scsi_read_complete(r, -EIO); |
193 | d33ea50a | Kevin Wolf | } |
194 | 2e5d83bb | pbrook | } |
195 | 2e5d83bb | pbrook | |
196 | 5dba48a8 | Kevin Wolf | static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) |
197 | 5dba48a8 | Kevin Wolf | { |
198 | 5dba48a8 | Kevin Wolf | int is_read = (type == SCSI_REQ_STATUS_RETRY_READ);
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199 | 4c41d2ef | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
200 | 5dba48a8 | Kevin Wolf | BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
201 | ea8a5d7f | aliguori | |
202 | 380f640f | Luiz Capitulino | if (action == BLOCK_ERR_IGNORE) {
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203 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); |
204 | ea8a5d7f | aliguori | return 0; |
205 | 380f640f | Luiz Capitulino | } |
206 | ea8a5d7f | aliguori | |
207 | ea8a5d7f | aliguori | if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
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208 | ea8a5d7f | aliguori | || action == BLOCK_ERR_STOP_ANY) { |
209 | 5dba48a8 | Kevin Wolf | |
210 | 5dba48a8 | Kevin Wolf | type &= SCSI_REQ_STATUS_RETRY_TYPE_MASK; |
211 | 5dba48a8 | Kevin Wolf | r->status |= SCSI_REQ_STATUS_RETRY | type; |
212 | 5dba48a8 | Kevin Wolf | |
213 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); |
214 | e07bbac5 | Jan Kiszka | vm_stop(VMSTOP_DISKFULL); |
215 | ea8a5d7f | aliguori | } else {
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216 | 5dba48a8 | Kevin Wolf | if (type == SCSI_REQ_STATUS_RETRY_READ) {
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217 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, 0);
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218 | 5dba48a8 | Kevin Wolf | } |
219 | a1f0cce2 | Hannes Reinecke | if (error == ENOMEM) {
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220 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, |
221 | a1f0cce2 | Hannes Reinecke | SENSE_CODE(TARGET_FAILURE)); |
222 | a1f0cce2 | Hannes Reinecke | } else {
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223 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, |
224 | a1f0cce2 | Hannes Reinecke | SENSE_CODE(IO_ERROR)); |
225 | a1f0cce2 | Hannes Reinecke | } |
226 | 5dba48a8 | Kevin Wolf | bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
227 | ea8a5d7f | aliguori | } |
228 | ea8a5d7f | aliguori | |
229 | ea8a5d7f | aliguori | return 1; |
230 | ea8a5d7f | aliguori | } |
231 | ea8a5d7f | aliguori | |
232 | 4d611c9a | pbrook | static void scsi_write_complete(void * opaque, int ret) |
233 | 4d611c9a | pbrook | { |
234 | 4c41d2ef | Gerd Hoffmann | SCSIDiskReq *r = (SCSIDiskReq *)opaque; |
235 | a917d384 | pbrook | uint32_t len; |
236 | ea8a5d7f | aliguori | uint32_t n; |
237 | ea8a5d7f | aliguori | |
238 | 4c41d2ef | Gerd Hoffmann | r->req.aiocb = NULL;
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239 | 4d611c9a | pbrook | |
240 | 4d611c9a | pbrook | if (ret) {
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241 | 5dba48a8 | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_WRITE)) {
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242 | ea8a5d7f | aliguori | return;
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243 | 5dba48a8 | Kevin Wolf | } |
244 | 4d611c9a | pbrook | } |
245 | 4d611c9a | pbrook | |
246 | c87c0672 | aliguori | n = r->iov.iov_len / 512;
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247 | ea8a5d7f | aliguori | r->sector += n; |
248 | ea8a5d7f | aliguori | r->sector_count -= n; |
249 | a917d384 | pbrook | if (r->sector_count == 0) { |
250 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, GOOD, SENSE_CODE(NO_SENSE)); |
251 | a917d384 | pbrook | } else {
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252 | a917d384 | pbrook | len = r->sector_count * 512;
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253 | a917d384 | pbrook | if (len > SCSI_DMA_BUF_SIZE) {
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254 | a917d384 | pbrook | len = SCSI_DMA_BUF_SIZE; |
255 | a917d384 | pbrook | } |
256 | c87c0672 | aliguori | r->iov.iov_len = len; |
257 | 4c41d2ef | Gerd Hoffmann | DPRINTF("Write complete tag=0x%x more=%d\n", r->req.tag, len);
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258 | ab9adc88 | Paolo Bonzini | scsi_req_data(&r->req, len); |
259 | 4d611c9a | pbrook | } |
260 | 4d611c9a | pbrook | } |
261 | 4d611c9a | pbrook | |
262 | 5c6c0e51 | Hannes Reinecke | static int scsi_write_data(SCSIRequest *req) |
263 | ea8a5d7f | aliguori | { |
264 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
265 | 4c41d2ef | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
266 | ea8a5d7f | aliguori | uint32_t n; |
267 | ea8a5d7f | aliguori | |
268 | 6fa2c95f | Stefan Hajnoczi | /* No data transfer may already be in progress */
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269 | 6fa2c95f | Stefan Hajnoczi | assert(r->req.aiocb == NULL);
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270 | 6fa2c95f | Stefan Hajnoczi | |
271 | c87c0672 | aliguori | n = r->iov.iov_len / 512;
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272 | ea8a5d7f | aliguori | if (n) {
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273 | c87c0672 | aliguori | qemu_iovec_init_external(&r->qiov, &r->iov, 1);
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274 | 428c149b | Christoph Hellwig | r->req.aiocb = bdrv_aio_writev(s->bs, r->sector, &r->qiov, n, |
275 | c87c0672 | aliguori | scsi_write_complete, r); |
276 | d33ea50a | Kevin Wolf | if (r->req.aiocb == NULL) { |
277 | a1f0cce2 | Hannes Reinecke | scsi_write_complete(r, -ENOMEM); |
278 | d33ea50a | Kevin Wolf | } |
279 | ea8a5d7f | aliguori | } else {
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280 | ea8a5d7f | aliguori | /* Invoke completion routine to fetch data from host. */
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281 | ea8a5d7f | aliguori | scsi_write_complete(r, 0);
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282 | ea8a5d7f | aliguori | } |
283 | 2e5d83bb | pbrook | |
284 | a917d384 | pbrook | return 0; |
285 | a917d384 | pbrook | } |
286 | 2e5d83bb | pbrook | |
287 | 213189ab | Markus Armbruster | static void scsi_dma_restart_bh(void *opaque) |
288 | ea8a5d7f | aliguori | { |
289 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = opaque; |
290 | 9af99d98 | Gerd Hoffmann | SCSIRequest *req; |
291 | 9af99d98 | Gerd Hoffmann | SCSIDiskReq *r; |
292 | 213189ab | Markus Armbruster | |
293 | 213189ab | Markus Armbruster | qemu_bh_delete(s->bh); |
294 | 213189ab | Markus Armbruster | s->bh = NULL;
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295 | ea8a5d7f | aliguori | |
296 | 9af99d98 | Gerd Hoffmann | QTAILQ_FOREACH(req, &s->qdev.requests, next) { |
297 | 9af99d98 | Gerd Hoffmann | r = DO_UPCAST(SCSIDiskReq, req, req); |
298 | ea8a5d7f | aliguori | if (r->status & SCSI_REQ_STATUS_RETRY) {
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299 | 5dba48a8 | Kevin Wolf | int status = r->status;
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300 | 78ced65e | Kevin Wolf | int ret;
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301 | 78ced65e | Kevin Wolf | |
302 | 5dba48a8 | Kevin Wolf | r->status &= |
303 | 5dba48a8 | Kevin Wolf | ~(SCSI_REQ_STATUS_RETRY | SCSI_REQ_STATUS_RETRY_TYPE_MASK); |
304 | 5dba48a8 | Kevin Wolf | |
305 | 5dba48a8 | Kevin Wolf | switch (status & SCSI_REQ_STATUS_RETRY_TYPE_MASK) {
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306 | 5dba48a8 | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_READ:
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307 | 5c6c0e51 | Hannes Reinecke | scsi_read_data(&r->req); |
308 | 5dba48a8 | Kevin Wolf | break;
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309 | 5dba48a8 | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_WRITE:
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310 | 5c6c0e51 | Hannes Reinecke | scsi_write_data(&r->req); |
311 | 5dba48a8 | Kevin Wolf | break;
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312 | 78ced65e | Kevin Wolf | case SCSI_REQ_STATUS_RETRY_FLUSH:
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313 | 78ced65e | Kevin Wolf | ret = scsi_disk_emulate_command(r, r->iov.iov_base); |
314 | 78ced65e | Kevin Wolf | if (ret == 0) { |
315 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, GOOD, SENSE_CODE(NO_SENSE)); |
316 | 78ced65e | Kevin Wolf | } |
317 | 5dba48a8 | Kevin Wolf | } |
318 | ea8a5d7f | aliguori | } |
319 | ea8a5d7f | aliguori | } |
320 | ea8a5d7f | aliguori | } |
321 | ea8a5d7f | aliguori | |
322 | 213189ab | Markus Armbruster | static void scsi_dma_restart_cb(void *opaque, int running, int reason) |
323 | 213189ab | Markus Armbruster | { |
324 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = opaque; |
325 | 213189ab | Markus Armbruster | |
326 | 213189ab | Markus Armbruster | if (!running)
|
327 | 213189ab | Markus Armbruster | return;
|
328 | 213189ab | Markus Armbruster | |
329 | 213189ab | Markus Armbruster | if (!s->bh) {
|
330 | 213189ab | Markus Armbruster | s->bh = qemu_bh_new(scsi_dma_restart_bh, s); |
331 | 213189ab | Markus Armbruster | qemu_bh_schedule(s->bh); |
332 | 213189ab | Markus Armbruster | } |
333 | 213189ab | Markus Armbruster | } |
334 | 213189ab | Markus Armbruster | |
335 | a917d384 | pbrook | /* Return a pointer to the data buffer. */
|
336 | 5c6c0e51 | Hannes Reinecke | static uint8_t *scsi_get_buf(SCSIRequest *req)
|
337 | a917d384 | pbrook | { |
338 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
339 | 2e5d83bb | pbrook | |
340 | 3f4cb3d3 | blueswir1 | return (uint8_t *)r->iov.iov_base;
|
341 | 2e5d83bb | pbrook | } |
342 | 2e5d83bb | pbrook | |
343 | 0b06c059 | Gerd Hoffmann | static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) |
344 | 0b06c059 | Gerd Hoffmann | { |
345 | 383b4d9b | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
346 | 0b06c059 | Gerd Hoffmann | int buflen = 0; |
347 | 0b06c059 | Gerd Hoffmann | |
348 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[1] & 0x2) { |
349 | 0b06c059 | Gerd Hoffmann | /* Command support data - optional, not implemented */
|
350 | 0b06c059 | Gerd Hoffmann | BADF("optional INQUIRY command support request not implemented\n");
|
351 | 0b06c059 | Gerd Hoffmann | return -1; |
352 | 0b06c059 | Gerd Hoffmann | } |
353 | 0b06c059 | Gerd Hoffmann | |
354 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[1] & 0x1) { |
355 | 0b06c059 | Gerd Hoffmann | /* Vital product data */
|
356 | 0b06c059 | Gerd Hoffmann | uint8_t page_code = req->cmd.buf[2];
|
357 | 0b06c059 | Gerd Hoffmann | if (req->cmd.xfer < 4) { |
358 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (EVPD[%02X]) buffer size %zd is "
|
359 | 0b06c059 | Gerd Hoffmann | "less than 4\n", page_code, req->cmd.xfer);
|
360 | 0b06c059 | Gerd Hoffmann | return -1; |
361 | 0b06c059 | Gerd Hoffmann | } |
362 | 0b06c059 | Gerd Hoffmann | |
363 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
364 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 5;
|
365 | 0b06c059 | Gerd Hoffmann | } else {
|
366 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0;
|
367 | 0b06c059 | Gerd Hoffmann | } |
368 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = page_code ; // this page
|
369 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x00;
|
370 | 0b06c059 | Gerd Hoffmann | |
371 | 0b06c059 | Gerd Hoffmann | switch (page_code) {
|
372 | 0b06c059 | Gerd Hoffmann | case 0x00: /* Supported page codes, mandatory */ |
373 | 39d98982 | Hannes Reinecke | { |
374 | 39d98982 | Hannes Reinecke | int pages;
|
375 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Supported pages] "
|
376 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
377 | 39d98982 | Hannes Reinecke | pages = buflen++; |
378 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x00; // list of supported pages (this page) |
379 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x80; // unit serial number |
380 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x83; // device identification |
381 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_HD) {
|
382 | ea3bd56f | Christoph Hellwig | outbuf[buflen++] = 0xb0; // block limits |
383 | ea3bd56f | Christoph Hellwig | outbuf[buflen++] = 0xb2; // thin provisioning |
384 | 39d98982 | Hannes Reinecke | } |
385 | 39d98982 | Hannes Reinecke | outbuf[pages] = buflen - pages - 1; // number of pages |
386 | 0b06c059 | Gerd Hoffmann | break;
|
387 | 39d98982 | Hannes Reinecke | } |
388 | 0b06c059 | Gerd Hoffmann | case 0x80: /* Device serial number, optional */ |
389 | 0b06c059 | Gerd Hoffmann | { |
390 | a0fef654 | Markus Armbruster | int l = strlen(s->serial);
|
391 | 0b06c059 | Gerd Hoffmann | |
392 | 0b06c059 | Gerd Hoffmann | if (l > req->cmd.xfer)
|
393 | 0b06c059 | Gerd Hoffmann | l = req->cmd.xfer; |
394 | 0b06c059 | Gerd Hoffmann | if (l > 20) |
395 | 0b06c059 | Gerd Hoffmann | l = 20;
|
396 | 0b06c059 | Gerd Hoffmann | |
397 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Serial number] "
|
398 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
399 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = l; |
400 | a0fef654 | Markus Armbruster | memcpy(outbuf+buflen, s->serial, l); |
401 | 0b06c059 | Gerd Hoffmann | buflen += l; |
402 | 0b06c059 | Gerd Hoffmann | break;
|
403 | 0b06c059 | Gerd Hoffmann | } |
404 | 0b06c059 | Gerd Hoffmann | |
405 | 0b06c059 | Gerd Hoffmann | case 0x83: /* Device identification page, mandatory */ |
406 | 0b06c059 | Gerd Hoffmann | { |
407 | 0b06c059 | Gerd Hoffmann | int max_len = 255 - 8; |
408 | 428c149b | Christoph Hellwig | int id_len = strlen(bdrv_get_device_name(s->bs));
|
409 | 0b06c059 | Gerd Hoffmann | |
410 | 0b06c059 | Gerd Hoffmann | if (id_len > max_len)
|
411 | 0b06c059 | Gerd Hoffmann | id_len = max_len; |
412 | 0b06c059 | Gerd Hoffmann | DPRINTF("Inquiry EVPD[Device identification] "
|
413 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", req->cmd.xfer);
|
414 | 0b06c059 | Gerd Hoffmann | |
415 | 39d98982 | Hannes Reinecke | outbuf[buflen++] = 4 + id_len;
|
416 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0x2; // ASCII |
417 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0; // not officially assigned |
418 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = 0; // reserved |
419 | 0b06c059 | Gerd Hoffmann | outbuf[buflen++] = id_len; // length of data following
|
420 | 0b06c059 | Gerd Hoffmann | |
421 | 428c149b | Christoph Hellwig | memcpy(outbuf+buflen, bdrv_get_device_name(s->bs), id_len); |
422 | 0b06c059 | Gerd Hoffmann | buflen += id_len; |
423 | 0b06c059 | Gerd Hoffmann | break;
|
424 | 0b06c059 | Gerd Hoffmann | } |
425 | ea3bd56f | Christoph Hellwig | case 0xb0: /* block limits */ |
426 | ee3659e3 | Christoph Hellwig | { |
427 | ea3bd56f | Christoph Hellwig | unsigned int unmap_sectors = |
428 | ea3bd56f | Christoph Hellwig | s->qdev.conf.discard_granularity / s->qdev.blocksize; |
429 | 8cfacf07 | Christoph Hellwig | unsigned int min_io_size = |
430 | 8cfacf07 | Christoph Hellwig | s->qdev.conf.min_io_size / s->qdev.blocksize; |
431 | 8cfacf07 | Christoph Hellwig | unsigned int opt_io_size = |
432 | 8cfacf07 | Christoph Hellwig | s->qdev.conf.opt_io_size / s->qdev.blocksize; |
433 | ee3659e3 | Christoph Hellwig | |
434 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
435 | 39d98982 | Hannes Reinecke | DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
|
436 | 39d98982 | Hannes Reinecke | page_code); |
437 | 39d98982 | Hannes Reinecke | return -1; |
438 | 39d98982 | Hannes Reinecke | } |
439 | ee3659e3 | Christoph Hellwig | /* required VPD size with unmap support */
|
440 | ee3659e3 | Christoph Hellwig | outbuf[3] = buflen = 0x3c; |
441 | ee3659e3 | Christoph Hellwig | |
442 | ee3659e3 | Christoph Hellwig | memset(outbuf + 4, 0, buflen - 4); |
443 | ee3659e3 | Christoph Hellwig | |
444 | ee3659e3 | Christoph Hellwig | /* optimal transfer length granularity */
|
445 | ee3659e3 | Christoph Hellwig | outbuf[6] = (min_io_size >> 8) & 0xff; |
446 | ee3659e3 | Christoph Hellwig | outbuf[7] = min_io_size & 0xff; |
447 | ee3659e3 | Christoph Hellwig | |
448 | ee3659e3 | Christoph Hellwig | /* optimal transfer length */
|
449 | ee3659e3 | Christoph Hellwig | outbuf[12] = (opt_io_size >> 24) & 0xff; |
450 | ee3659e3 | Christoph Hellwig | outbuf[13] = (opt_io_size >> 16) & 0xff; |
451 | ee3659e3 | Christoph Hellwig | outbuf[14] = (opt_io_size >> 8) & 0xff; |
452 | ee3659e3 | Christoph Hellwig | outbuf[15] = opt_io_size & 0xff; |
453 | ea3bd56f | Christoph Hellwig | |
454 | ea3bd56f | Christoph Hellwig | /* optimal unmap granularity */
|
455 | ea3bd56f | Christoph Hellwig | outbuf[28] = (unmap_sectors >> 24) & 0xff; |
456 | ea3bd56f | Christoph Hellwig | outbuf[29] = (unmap_sectors >> 16) & 0xff; |
457 | ea3bd56f | Christoph Hellwig | outbuf[30] = (unmap_sectors >> 8) & 0xff; |
458 | ea3bd56f | Christoph Hellwig | outbuf[31] = unmap_sectors & 0xff; |
459 | ea3bd56f | Christoph Hellwig | break;
|
460 | ea3bd56f | Christoph Hellwig | } |
461 | ea3bd56f | Christoph Hellwig | case 0xb2: /* thin provisioning */ |
462 | ea3bd56f | Christoph Hellwig | { |
463 | ea3bd56f | Christoph Hellwig | outbuf[3] = buflen = 8; |
464 | ea3bd56f | Christoph Hellwig | outbuf[4] = 0; |
465 | ea3bd56f | Christoph Hellwig | outbuf[5] = 0x40; /* write same with unmap supported */ |
466 | ea3bd56f | Christoph Hellwig | outbuf[6] = 0; |
467 | ea3bd56f | Christoph Hellwig | outbuf[7] = 0; |
468 | ee3659e3 | Christoph Hellwig | break;
|
469 | ee3659e3 | Christoph Hellwig | } |
470 | 0b06c059 | Gerd Hoffmann | default:
|
471 | 0b06c059 | Gerd Hoffmann | BADF("Error: unsupported Inquiry (EVPD[%02X]) "
|
472 | 0b06c059 | Gerd Hoffmann | "buffer size %zd\n", page_code, req->cmd.xfer);
|
473 | 0b06c059 | Gerd Hoffmann | return -1; |
474 | 0b06c059 | Gerd Hoffmann | } |
475 | 0b06c059 | Gerd Hoffmann | /* done with EVPD */
|
476 | 0b06c059 | Gerd Hoffmann | return buflen;
|
477 | 0b06c059 | Gerd Hoffmann | } |
478 | 0b06c059 | Gerd Hoffmann | |
479 | 0b06c059 | Gerd Hoffmann | /* Standard INQUIRY data */
|
480 | 0b06c059 | Gerd Hoffmann | if (req->cmd.buf[2] != 0) { |
481 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (STANDARD) page or code "
|
482 | 0b06c059 | Gerd Hoffmann | "is non-zero [%02X]\n", req->cmd.buf[2]); |
483 | 0b06c059 | Gerd Hoffmann | return -1; |
484 | 0b06c059 | Gerd Hoffmann | } |
485 | 0b06c059 | Gerd Hoffmann | |
486 | 0b06c059 | Gerd Hoffmann | /* PAGE CODE == 0 */
|
487 | 0b06c059 | Gerd Hoffmann | if (req->cmd.xfer < 5) { |
488 | 0b06c059 | Gerd Hoffmann | BADF("Error: Inquiry (STANDARD) buffer size %zd "
|
489 | 0b06c059 | Gerd Hoffmann | "is less than 5\n", req->cmd.xfer);
|
490 | 0b06c059 | Gerd Hoffmann | return -1; |
491 | 0b06c059 | Gerd Hoffmann | } |
492 | 0b06c059 | Gerd Hoffmann | |
493 | 0b06c059 | Gerd Hoffmann | buflen = req->cmd.xfer; |
494 | 0b06c059 | Gerd Hoffmann | if (buflen > SCSI_MAX_INQUIRY_LEN)
|
495 | 0b06c059 | Gerd Hoffmann | buflen = SCSI_MAX_INQUIRY_LEN; |
496 | 0b06c059 | Gerd Hoffmann | |
497 | 0b06c059 | Gerd Hoffmann | memset(outbuf, 0, buflen);
|
498 | 0b06c059 | Gerd Hoffmann | |
499 | 0b06c059 | Gerd Hoffmann | if (req->lun || req->cmd.buf[1] >> 5) { |
500 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 0x7f; /* LUN not supported */ |
501 | 0b06c059 | Gerd Hoffmann | return buflen;
|
502 | 0b06c059 | Gerd Hoffmann | } |
503 | 0b06c059 | Gerd Hoffmann | |
504 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD) {
|
505 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 5; |
506 | 0b06c059 | Gerd Hoffmann | outbuf[1] = 0x80; |
507 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[16], "QEMU CD-ROM ", 16); |
508 | 0b06c059 | Gerd Hoffmann | } else {
|
509 | 0b06c059 | Gerd Hoffmann | outbuf[0] = 0; |
510 | 419e691f | Stefan Hajnoczi | outbuf[1] = s->removable ? 0x80 : 0; |
511 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[16], "QEMU HARDDISK ", 16); |
512 | 0b06c059 | Gerd Hoffmann | } |
513 | 550fe6c6 | Laszlo Ast | memcpy(&outbuf[8], "QEMU ", 8); |
514 | 314b1811 | Gerd Hoffmann | memset(&outbuf[32], 0, 4); |
515 | 552fee93 | Markus Armbruster | memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version))); |
516 | 99aba0c4 | Christoph Hellwig | /*
|
517 | 99aba0c4 | Christoph Hellwig | * We claim conformance to SPC-3, which is required for guests
|
518 | 99aba0c4 | Christoph Hellwig | * to ask for modern features like READ CAPACITY(16) or the
|
519 | 99aba0c4 | Christoph Hellwig | * block characteristics VPD page by default. Not all of SPC-3
|
520 | 99aba0c4 | Christoph Hellwig | * is actually implemented, but we're good enough.
|
521 | 99aba0c4 | Christoph Hellwig | */
|
522 | ee3659e3 | Christoph Hellwig | outbuf[2] = 5; |
523 | 0b06c059 | Gerd Hoffmann | outbuf[3] = 2; /* Format 2 */ |
524 | ad3cea42 | Artyom Tarasenko | |
525 | ad3cea42 | Artyom Tarasenko | if (buflen > 36) { |
526 | ad3cea42 | Artyom Tarasenko | outbuf[4] = buflen - 5; /* Additional Length = (Len - 1) - 4 */ |
527 | ad3cea42 | Artyom Tarasenko | } else {
|
528 | ad3cea42 | Artyom Tarasenko | /* If the allocation length of CDB is too small,
|
529 | ad3cea42 | Artyom Tarasenko | the additional length is not adjusted */
|
530 | ad3cea42 | Artyom Tarasenko | outbuf[4] = 36 - 5; |
531 | ad3cea42 | Artyom Tarasenko | } |
532 | ad3cea42 | Artyom Tarasenko | |
533 | 0b06c059 | Gerd Hoffmann | /* Sync data transfer and TCQ. */
|
534 | 0b06c059 | Gerd Hoffmann | outbuf[7] = 0x10 | (req->bus->tcq ? 0x02 : 0); |
535 | 0b06c059 | Gerd Hoffmann | return buflen;
|
536 | 0b06c059 | Gerd Hoffmann | } |
537 | 0b06c059 | Gerd Hoffmann | |
538 | 282ab04e | Bernhard Kohl | static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p, |
539 | 282ab04e | Bernhard Kohl | int page_control)
|
540 | ebddfcbe | Gerd Hoffmann | { |
541 | ebddfcbe | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
542 | 428c149b | Christoph Hellwig | BlockDriverState *bdrv = s->bs; |
543 | ebddfcbe | Gerd Hoffmann | int cylinders, heads, secs;
|
544 | ebddfcbe | Gerd Hoffmann | |
545 | 282ab04e | Bernhard Kohl | /*
|
546 | 282ab04e | Bernhard Kohl | * If Changeable Values are requested, a mask denoting those mode parameters
|
547 | 282ab04e | Bernhard Kohl | * that are changeable shall be returned. As we currently don't support
|
548 | 282ab04e | Bernhard Kohl | * parameter changes via MODE_SELECT all bits are returned set to zero.
|
549 | 282ab04e | Bernhard Kohl | * The buffer was already menset to zero by the caller of this function.
|
550 | 282ab04e | Bernhard Kohl | */
|
551 | ebddfcbe | Gerd Hoffmann | switch (page) {
|
552 | ebddfcbe | Gerd Hoffmann | case 4: /* Rigid disk device geometry page. */ |
553 | ebddfcbe | Gerd Hoffmann | p[0] = 4; |
554 | ebddfcbe | Gerd Hoffmann | p[1] = 0x16; |
555 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
556 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
557 | 282ab04e | Bernhard Kohl | } |
558 | ebddfcbe | Gerd Hoffmann | /* if a geometry hint is available, use it */
|
559 | ebddfcbe | Gerd Hoffmann | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); |
560 | ebddfcbe | Gerd Hoffmann | p[2] = (cylinders >> 16) & 0xff; |
561 | ebddfcbe | Gerd Hoffmann | p[3] = (cylinders >> 8) & 0xff; |
562 | ebddfcbe | Gerd Hoffmann | p[4] = cylinders & 0xff; |
563 | ebddfcbe | Gerd Hoffmann | p[5] = heads & 0xff; |
564 | ebddfcbe | Gerd Hoffmann | /* Write precomp start cylinder, disabled */
|
565 | ebddfcbe | Gerd Hoffmann | p[6] = (cylinders >> 16) & 0xff; |
566 | ebddfcbe | Gerd Hoffmann | p[7] = (cylinders >> 8) & 0xff; |
567 | ebddfcbe | Gerd Hoffmann | p[8] = cylinders & 0xff; |
568 | ebddfcbe | Gerd Hoffmann | /* Reduced current start cylinder, disabled */
|
569 | ebddfcbe | Gerd Hoffmann | p[9] = (cylinders >> 16) & 0xff; |
570 | ebddfcbe | Gerd Hoffmann | p[10] = (cylinders >> 8) & 0xff; |
571 | ebddfcbe | Gerd Hoffmann | p[11] = cylinders & 0xff; |
572 | ebddfcbe | Gerd Hoffmann | /* Device step rate [ns], 200ns */
|
573 | ebddfcbe | Gerd Hoffmann | p[12] = 0; |
574 | ebddfcbe | Gerd Hoffmann | p[13] = 200; |
575 | ebddfcbe | Gerd Hoffmann | /* Landing zone cylinder */
|
576 | ebddfcbe | Gerd Hoffmann | p[14] = 0xff; |
577 | ebddfcbe | Gerd Hoffmann | p[15] = 0xff; |
578 | ebddfcbe | Gerd Hoffmann | p[16] = 0xff; |
579 | ebddfcbe | Gerd Hoffmann | /* Medium rotation rate [rpm], 5400 rpm */
|
580 | ebddfcbe | Gerd Hoffmann | p[20] = (5400 >> 8) & 0xff; |
581 | ebddfcbe | Gerd Hoffmann | p[21] = 5400 & 0xff; |
582 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
583 | ebddfcbe | Gerd Hoffmann | |
584 | ebddfcbe | Gerd Hoffmann | case 5: /* Flexible disk device geometry page. */ |
585 | ebddfcbe | Gerd Hoffmann | p[0] = 5; |
586 | ebddfcbe | Gerd Hoffmann | p[1] = 0x1e; |
587 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
588 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
589 | 282ab04e | Bernhard Kohl | } |
590 | ebddfcbe | Gerd Hoffmann | /* Transfer rate [kbit/s], 5Mbit/s */
|
591 | ebddfcbe | Gerd Hoffmann | p[2] = 5000 >> 8; |
592 | ebddfcbe | Gerd Hoffmann | p[3] = 5000 & 0xff; |
593 | ebddfcbe | Gerd Hoffmann | /* if a geometry hint is available, use it */
|
594 | ebddfcbe | Gerd Hoffmann | bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs); |
595 | ebddfcbe | Gerd Hoffmann | p[4] = heads & 0xff; |
596 | ebddfcbe | Gerd Hoffmann | p[5] = secs & 0xff; |
597 | ebddfcbe | Gerd Hoffmann | p[6] = s->cluster_size * 2; |
598 | ebddfcbe | Gerd Hoffmann | p[8] = (cylinders >> 8) & 0xff; |
599 | ebddfcbe | Gerd Hoffmann | p[9] = cylinders & 0xff; |
600 | ebddfcbe | Gerd Hoffmann | /* Write precomp start cylinder, disabled */
|
601 | ebddfcbe | Gerd Hoffmann | p[10] = (cylinders >> 8) & 0xff; |
602 | ebddfcbe | Gerd Hoffmann | p[11] = cylinders & 0xff; |
603 | ebddfcbe | Gerd Hoffmann | /* Reduced current start cylinder, disabled */
|
604 | ebddfcbe | Gerd Hoffmann | p[12] = (cylinders >> 8) & 0xff; |
605 | ebddfcbe | Gerd Hoffmann | p[13] = cylinders & 0xff; |
606 | ebddfcbe | Gerd Hoffmann | /* Device step rate [100us], 100us */
|
607 | ebddfcbe | Gerd Hoffmann | p[14] = 0; |
608 | ebddfcbe | Gerd Hoffmann | p[15] = 1; |
609 | ebddfcbe | Gerd Hoffmann | /* Device step pulse width [us], 1us */
|
610 | ebddfcbe | Gerd Hoffmann | p[16] = 1; |
611 | ebddfcbe | Gerd Hoffmann | /* Device head settle delay [100us], 100us */
|
612 | ebddfcbe | Gerd Hoffmann | p[17] = 0; |
613 | ebddfcbe | Gerd Hoffmann | p[18] = 1; |
614 | ebddfcbe | Gerd Hoffmann | /* Motor on delay [0.1s], 0.1s */
|
615 | ebddfcbe | Gerd Hoffmann | p[19] = 1; |
616 | ebddfcbe | Gerd Hoffmann | /* Motor off delay [0.1s], 0.1s */
|
617 | ebddfcbe | Gerd Hoffmann | p[20] = 1; |
618 | ebddfcbe | Gerd Hoffmann | /* Medium rotation rate [rpm], 5400 rpm */
|
619 | ebddfcbe | Gerd Hoffmann | p[28] = (5400 >> 8) & 0xff; |
620 | ebddfcbe | Gerd Hoffmann | p[29] = 5400 & 0xff; |
621 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
622 | ebddfcbe | Gerd Hoffmann | |
623 | ebddfcbe | Gerd Hoffmann | case 8: /* Caching page. */ |
624 | ebddfcbe | Gerd Hoffmann | p[0] = 8; |
625 | ebddfcbe | Gerd Hoffmann | p[1] = 0x12; |
626 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
627 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
628 | 282ab04e | Bernhard Kohl | } |
629 | 428c149b | Christoph Hellwig | if (bdrv_enable_write_cache(s->bs)) {
|
630 | ebddfcbe | Gerd Hoffmann | p[2] = 4; /* WCE */ |
631 | ebddfcbe | Gerd Hoffmann | } |
632 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
633 | ebddfcbe | Gerd Hoffmann | |
634 | ebddfcbe | Gerd Hoffmann | case 0x2a: /* CD Capabilities and Mechanical Status page. */ |
635 | b443ae67 | Markus Armbruster | if (s->drive_kind != SCSI_CD)
|
636 | ebddfcbe | Gerd Hoffmann | return 0; |
637 | ebddfcbe | Gerd Hoffmann | p[0] = 0x2a; |
638 | ebddfcbe | Gerd Hoffmann | p[1] = 0x14; |
639 | 282ab04e | Bernhard Kohl | if (page_control == 1) { /* Changeable Values */ |
640 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
641 | 282ab04e | Bernhard Kohl | } |
642 | ebddfcbe | Gerd Hoffmann | p[2] = 3; // CD-R & CD-RW read |
643 | ebddfcbe | Gerd Hoffmann | p[3] = 0; // Writing not supported |
644 | ebddfcbe | Gerd Hoffmann | p[4] = 0x7f; /* Audio, composite, digital out, |
645 | ebddfcbe | Gerd Hoffmann | mode 2 form 1&2, multi session */
|
646 | ebddfcbe | Gerd Hoffmann | p[5] = 0xff; /* CD DA, DA accurate, RW supported, |
647 | ebddfcbe | Gerd Hoffmann | RW corrected, C2 errors, ISRC,
|
648 | ebddfcbe | Gerd Hoffmann | UPC, Bar code */
|
649 | 428c149b | Christoph Hellwig | p[6] = 0x2d | (bdrv_is_locked(s->bs)? 2 : 0); |
650 | ebddfcbe | Gerd Hoffmann | /* Locking supported, jumper present, eject, tray */
|
651 | ebddfcbe | Gerd Hoffmann | p[7] = 0; /* no volume & mute control, no |
652 | ebddfcbe | Gerd Hoffmann | changer */
|
653 | ebddfcbe | Gerd Hoffmann | p[8] = (50 * 176) >> 8; // 50x read speed |
654 | ebddfcbe | Gerd Hoffmann | p[9] = (50 * 176) & 0xff; |
655 | ebddfcbe | Gerd Hoffmann | p[10] = 0 >> 8; // No volume |
656 | ebddfcbe | Gerd Hoffmann | p[11] = 0 & 0xff; |
657 | ebddfcbe | Gerd Hoffmann | p[12] = 2048 >> 8; // 2M buffer |
658 | ebddfcbe | Gerd Hoffmann | p[13] = 2048 & 0xff; |
659 | ebddfcbe | Gerd Hoffmann | p[14] = (16 * 176) >> 8; // 16x read speed current |
660 | ebddfcbe | Gerd Hoffmann | p[15] = (16 * 176) & 0xff; |
661 | ebddfcbe | Gerd Hoffmann | p[18] = (16 * 176) >> 8; // 16x write speed |
662 | ebddfcbe | Gerd Hoffmann | p[19] = (16 * 176) & 0xff; |
663 | ebddfcbe | Gerd Hoffmann | p[20] = (16 * 176) >> 8; // 16x write speed current |
664 | ebddfcbe | Gerd Hoffmann | p[21] = (16 * 176) & 0xff; |
665 | 282ab04e | Bernhard Kohl | return p[1] + 2; |
666 | ebddfcbe | Gerd Hoffmann | |
667 | ebddfcbe | Gerd Hoffmann | default:
|
668 | ebddfcbe | Gerd Hoffmann | return 0; |
669 | ebddfcbe | Gerd Hoffmann | } |
670 | ebddfcbe | Gerd Hoffmann | } |
671 | ebddfcbe | Gerd Hoffmann | |
672 | ebddfcbe | Gerd Hoffmann | static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf) |
673 | ebddfcbe | Gerd Hoffmann | { |
674 | ebddfcbe | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
675 | ebddfcbe | Gerd Hoffmann | uint64_t nb_sectors; |
676 | 282ab04e | Bernhard Kohl | int page, dbd, buflen, page_control;
|
677 | ebddfcbe | Gerd Hoffmann | uint8_t *p; |
678 | ce512ee1 | Bernhard Kohl | uint8_t dev_specific_param; |
679 | ebddfcbe | Gerd Hoffmann | |
680 | ebddfcbe | Gerd Hoffmann | dbd = req->cmd.buf[1] & 0x8; |
681 | ebddfcbe | Gerd Hoffmann | page = req->cmd.buf[2] & 0x3f; |
682 | 282ab04e | Bernhard Kohl | page_control = (req->cmd.buf[2] & 0xc0) >> 6; |
683 | aa2b1e89 | Bernhard Kohl | DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n",
|
684 | aa2b1e89 | Bernhard Kohl | (req->cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, req->cmd.xfer, page_control); |
685 | ebddfcbe | Gerd Hoffmann | memset(outbuf, 0, req->cmd.xfer);
|
686 | ebddfcbe | Gerd Hoffmann | p = outbuf; |
687 | ebddfcbe | Gerd Hoffmann | |
688 | 0056dcc1 | Naphtali Sprei | if (bdrv_is_read_only(s->bs)) {
|
689 | ce512ee1 | Bernhard Kohl | dev_specific_param = 0x80; /* Readonly. */ |
690 | ce512ee1 | Bernhard Kohl | } else {
|
691 | ce512ee1 | Bernhard Kohl | dev_specific_param = 0x00;
|
692 | ce512ee1 | Bernhard Kohl | } |
693 | ce512ee1 | Bernhard Kohl | |
694 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
695 | ce512ee1 | Bernhard Kohl | p[1] = 0; /* Default media type. */ |
696 | ce512ee1 | Bernhard Kohl | p[2] = dev_specific_param;
|
697 | ce512ee1 | Bernhard Kohl | p[3] = 0; /* Block descriptor length. */ |
698 | ce512ee1 | Bernhard Kohl | p += 4;
|
699 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
700 | ce512ee1 | Bernhard Kohl | p[2] = 0; /* Default media type. */ |
701 | ce512ee1 | Bernhard Kohl | p[3] = dev_specific_param;
|
702 | ce512ee1 | Bernhard Kohl | p[6] = p[7] = 0; /* Block descriptor length. */ |
703 | ce512ee1 | Bernhard Kohl | p += 8;
|
704 | ebddfcbe | Gerd Hoffmann | } |
705 | ebddfcbe | Gerd Hoffmann | |
706 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
707 | 333d50fe | Bernhard Kohl | if (!dbd && nb_sectors) {
|
708 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
709 | ce512ee1 | Bernhard Kohl | outbuf[3] = 8; /* Block descriptor length */ |
710 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
711 | ce512ee1 | Bernhard Kohl | outbuf[7] = 8; /* Block descriptor length */ |
712 | ce512ee1 | Bernhard Kohl | } |
713 | ebddfcbe | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
714 | ebddfcbe | Gerd Hoffmann | if (nb_sectors > 0xffffff) |
715 | 2488b740 | Bernhard Kohl | nb_sectors = 0;
|
716 | ebddfcbe | Gerd Hoffmann | p[0] = 0; /* media density code */ |
717 | ebddfcbe | Gerd Hoffmann | p[1] = (nb_sectors >> 16) & 0xff; |
718 | ebddfcbe | Gerd Hoffmann | p[2] = (nb_sectors >> 8) & 0xff; |
719 | ebddfcbe | Gerd Hoffmann | p[3] = nb_sectors & 0xff; |
720 | ebddfcbe | Gerd Hoffmann | p[4] = 0; /* reserved */ |
721 | ebddfcbe | Gerd Hoffmann | p[5] = 0; /* bytes 5-7 are the sector size in bytes */ |
722 | ebddfcbe | Gerd Hoffmann | p[6] = s->cluster_size * 2; |
723 | ebddfcbe | Gerd Hoffmann | p[7] = 0; |
724 | ebddfcbe | Gerd Hoffmann | p += 8;
|
725 | ebddfcbe | Gerd Hoffmann | } |
726 | ebddfcbe | Gerd Hoffmann | |
727 | 282ab04e | Bernhard Kohl | if (page_control == 3) { /* Saved Values */ |
728 | 282ab04e | Bernhard Kohl | return -1; /* ILLEGAL_REQUEST */ |
729 | 282ab04e | Bernhard Kohl | } |
730 | 282ab04e | Bernhard Kohl | |
731 | ebddfcbe | Gerd Hoffmann | switch (page) {
|
732 | ebddfcbe | Gerd Hoffmann | case 0x04: |
733 | ebddfcbe | Gerd Hoffmann | case 0x05: |
734 | ebddfcbe | Gerd Hoffmann | case 0x08: |
735 | ebddfcbe | Gerd Hoffmann | case 0x2a: |
736 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, page, p, page_control); |
737 | ebddfcbe | Gerd Hoffmann | break;
|
738 | ebddfcbe | Gerd Hoffmann | case 0x3f: |
739 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, 0x08, p, page_control);
|
740 | 282ab04e | Bernhard Kohl | p += mode_sense_page(req, 0x2a, p, page_control);
|
741 | ebddfcbe | Gerd Hoffmann | break;
|
742 | a9c17b2b | Bernhard Kohl | default:
|
743 | a9c17b2b | Bernhard Kohl | return -1; /* ILLEGAL_REQUEST */ |
744 | ebddfcbe | Gerd Hoffmann | } |
745 | ebddfcbe | Gerd Hoffmann | |
746 | ebddfcbe | Gerd Hoffmann | buflen = p - outbuf; |
747 | ce512ee1 | Bernhard Kohl | /*
|
748 | ce512ee1 | Bernhard Kohl | * The mode data length field specifies the length in bytes of the
|
749 | ce512ee1 | Bernhard Kohl | * following data that is available to be transferred. The mode data
|
750 | ce512ee1 | Bernhard Kohl | * length does not include itself.
|
751 | ce512ee1 | Bernhard Kohl | */
|
752 | ce512ee1 | Bernhard Kohl | if (req->cmd.buf[0] == MODE_SENSE) { |
753 | ce512ee1 | Bernhard Kohl | outbuf[0] = buflen - 1; |
754 | ce512ee1 | Bernhard Kohl | } else { /* MODE_SENSE_10 */ |
755 | ce512ee1 | Bernhard Kohl | outbuf[0] = ((buflen - 2) >> 8) & 0xff; |
756 | ce512ee1 | Bernhard Kohl | outbuf[1] = (buflen - 2) & 0xff; |
757 | ce512ee1 | Bernhard Kohl | } |
758 | ebddfcbe | Gerd Hoffmann | if (buflen > req->cmd.xfer)
|
759 | ebddfcbe | Gerd Hoffmann | buflen = req->cmd.xfer; |
760 | ebddfcbe | Gerd Hoffmann | return buflen;
|
761 | ebddfcbe | Gerd Hoffmann | } |
762 | ebddfcbe | Gerd Hoffmann | |
763 | 02880f43 | Gerd Hoffmann | static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) |
764 | 02880f43 | Gerd Hoffmann | { |
765 | 02880f43 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
766 | 02880f43 | Gerd Hoffmann | int start_track, format, msf, toclen;
|
767 | 02880f43 | Gerd Hoffmann | uint64_t nb_sectors; |
768 | 02880f43 | Gerd Hoffmann | |
769 | 02880f43 | Gerd Hoffmann | msf = req->cmd.buf[1] & 2; |
770 | 02880f43 | Gerd Hoffmann | format = req->cmd.buf[2] & 0xf; |
771 | 02880f43 | Gerd Hoffmann | start_track = req->cmd.buf[6];
|
772 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
773 | 02880f43 | Gerd Hoffmann | DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); |
774 | 02880f43 | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
775 | 02880f43 | Gerd Hoffmann | switch (format) {
|
776 | 02880f43 | Gerd Hoffmann | case 0: |
777 | 02880f43 | Gerd Hoffmann | toclen = cdrom_read_toc(nb_sectors, outbuf, msf, start_track); |
778 | 02880f43 | Gerd Hoffmann | break;
|
779 | 02880f43 | Gerd Hoffmann | case 1: |
780 | 02880f43 | Gerd Hoffmann | /* multi session : only a single session defined */
|
781 | 02880f43 | Gerd Hoffmann | toclen = 12;
|
782 | 02880f43 | Gerd Hoffmann | memset(outbuf, 0, 12); |
783 | 02880f43 | Gerd Hoffmann | outbuf[1] = 0x0a; |
784 | 02880f43 | Gerd Hoffmann | outbuf[2] = 0x01; |
785 | 02880f43 | Gerd Hoffmann | outbuf[3] = 0x01; |
786 | 02880f43 | Gerd Hoffmann | break;
|
787 | 02880f43 | Gerd Hoffmann | case 2: |
788 | 02880f43 | Gerd Hoffmann | toclen = cdrom_read_toc_raw(nb_sectors, outbuf, msf, start_track); |
789 | 02880f43 | Gerd Hoffmann | break;
|
790 | 02880f43 | Gerd Hoffmann | default:
|
791 | 02880f43 | Gerd Hoffmann | return -1; |
792 | 02880f43 | Gerd Hoffmann | } |
793 | 02880f43 | Gerd Hoffmann | if (toclen > req->cmd.xfer)
|
794 | 02880f43 | Gerd Hoffmann | toclen = req->cmd.xfer; |
795 | 02880f43 | Gerd Hoffmann | return toclen;
|
796 | 02880f43 | Gerd Hoffmann | } |
797 | 02880f43 | Gerd Hoffmann | |
798 | 8af7a3ab | Kevin Wolf | static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf) |
799 | aa5dbdc1 | Gerd Hoffmann | { |
800 | 8af7a3ab | Kevin Wolf | SCSIRequest *req = &r->req; |
801 | e7e25e32 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
802 | e7e25e32 | Gerd Hoffmann | uint64_t nb_sectors; |
803 | aa5dbdc1 | Gerd Hoffmann | int buflen = 0; |
804 | 78ced65e | Kevin Wolf | int ret;
|
805 | aa5dbdc1 | Gerd Hoffmann | |
806 | aa5dbdc1 | Gerd Hoffmann | switch (req->cmd.buf[0]) { |
807 | aa5dbdc1 | Gerd Hoffmann | case TEST_UNIT_READY:
|
808 | 428c149b | Christoph Hellwig | if (!bdrv_is_inserted(s->bs))
|
809 | aa5dbdc1 | Gerd Hoffmann | goto not_ready;
|
810 | aa5dbdc1 | Gerd Hoffmann | break;
|
811 | 51ad87c9 | Gerd Hoffmann | case REQUEST_SENSE:
|
812 | 51ad87c9 | Gerd Hoffmann | if (req->cmd.xfer < 4) |
813 | 51ad87c9 | Gerd Hoffmann | goto illegal_request;
|
814 | a1f0cce2 | Hannes Reinecke | buflen = scsi_build_sense(s->sense, outbuf, req->cmd.xfer, |
815 | a1f0cce2 | Hannes Reinecke | req->cmd.xfer > 13);
|
816 | a6d96eb7 | Hannes Reinecke | scsi_disk_clear_sense(s); |
817 | 51ad87c9 | Gerd Hoffmann | break;
|
818 | 0b06c059 | Gerd Hoffmann | case INQUIRY:
|
819 | 0b06c059 | Gerd Hoffmann | buflen = scsi_disk_emulate_inquiry(req, outbuf); |
820 | 0b06c059 | Gerd Hoffmann | if (buflen < 0) |
821 | 0b06c059 | Gerd Hoffmann | goto illegal_request;
|
822 | 0b06c059 | Gerd Hoffmann | break;
|
823 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE:
|
824 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE_10:
|
825 | ebddfcbe | Gerd Hoffmann | buflen = scsi_disk_emulate_mode_sense(req, outbuf); |
826 | ebddfcbe | Gerd Hoffmann | if (buflen < 0) |
827 | ebddfcbe | Gerd Hoffmann | goto illegal_request;
|
828 | ebddfcbe | Gerd Hoffmann | break;
|
829 | 02880f43 | Gerd Hoffmann | case READ_TOC:
|
830 | 02880f43 | Gerd Hoffmann | buflen = scsi_disk_emulate_read_toc(req, outbuf); |
831 | 02880f43 | Gerd Hoffmann | if (buflen < 0) |
832 | 02880f43 | Gerd Hoffmann | goto illegal_request;
|
833 | 02880f43 | Gerd Hoffmann | break;
|
834 | 3d53ba18 | Gerd Hoffmann | case RESERVE:
|
835 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 1) |
836 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
837 | 3d53ba18 | Gerd Hoffmann | break;
|
838 | 3d53ba18 | Gerd Hoffmann | case RESERVE_10:
|
839 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 3) |
840 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
841 | 3d53ba18 | Gerd Hoffmann | break;
|
842 | 3d53ba18 | Gerd Hoffmann | case RELEASE:
|
843 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 1) |
844 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
845 | 3d53ba18 | Gerd Hoffmann | break;
|
846 | 3d53ba18 | Gerd Hoffmann | case RELEASE_10:
|
847 | 3d53ba18 | Gerd Hoffmann | if (req->cmd.buf[1] & 3) |
848 | 3d53ba18 | Gerd Hoffmann | goto illegal_request;
|
849 | 3d53ba18 | Gerd Hoffmann | break;
|
850 | 8d3628ff | Gerd Hoffmann | case START_STOP:
|
851 | b443ae67 | Markus Armbruster | if (s->drive_kind == SCSI_CD && (req->cmd.buf[4] & 2)) { |
852 | 8d3628ff | Gerd Hoffmann | /* load/eject medium */
|
853 | 428c149b | Christoph Hellwig | bdrv_eject(s->bs, !(req->cmd.buf[4] & 1)); |
854 | 8d3628ff | Gerd Hoffmann | } |
855 | 8d3628ff | Gerd Hoffmann | break;
|
856 | c68b9f34 | Gerd Hoffmann | case ALLOW_MEDIUM_REMOVAL:
|
857 | 428c149b | Christoph Hellwig | bdrv_set_locked(s->bs, req->cmd.buf[4] & 1); |
858 | c68b9f34 | Gerd Hoffmann | break;
|
859 | e7e25e32 | Gerd Hoffmann | case READ_CAPACITY:
|
860 | e7e25e32 | Gerd Hoffmann | /* The normal LEN field for this command is zero. */
|
861 | e7e25e32 | Gerd Hoffmann | memset(outbuf, 0, 8); |
862 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
863 | e7e25e32 | Gerd Hoffmann | if (!nb_sectors)
|
864 | e7e25e32 | Gerd Hoffmann | goto not_ready;
|
865 | e7e25e32 | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
866 | e7e25e32 | Gerd Hoffmann | /* Returned value is the address of the last sector. */
|
867 | e7e25e32 | Gerd Hoffmann | nb_sectors--; |
868 | e7e25e32 | Gerd Hoffmann | /* Remember the new size for read/write sanity checking. */
|
869 | e7e25e32 | Gerd Hoffmann | s->max_lba = nb_sectors; |
870 | e7e25e32 | Gerd Hoffmann | /* Clip to 2TB, instead of returning capacity modulo 2TB. */
|
871 | e7e25e32 | Gerd Hoffmann | if (nb_sectors > UINT32_MAX)
|
872 | e7e25e32 | Gerd Hoffmann | nb_sectors = UINT32_MAX; |
873 | e7e25e32 | Gerd Hoffmann | outbuf[0] = (nb_sectors >> 24) & 0xff; |
874 | e7e25e32 | Gerd Hoffmann | outbuf[1] = (nb_sectors >> 16) & 0xff; |
875 | e7e25e32 | Gerd Hoffmann | outbuf[2] = (nb_sectors >> 8) & 0xff; |
876 | e7e25e32 | Gerd Hoffmann | outbuf[3] = nb_sectors & 0xff; |
877 | e7e25e32 | Gerd Hoffmann | outbuf[4] = 0; |
878 | e7e25e32 | Gerd Hoffmann | outbuf[5] = 0; |
879 | e7e25e32 | Gerd Hoffmann | outbuf[6] = s->cluster_size * 2; |
880 | e7e25e32 | Gerd Hoffmann | outbuf[7] = 0; |
881 | e7e25e32 | Gerd Hoffmann | buflen = 8;
|
882 | e7e25e32 | Gerd Hoffmann | break;
|
883 | fc903943 | Gerd Hoffmann | case SYNCHRONIZE_CACHE:
|
884 | 78ced65e | Kevin Wolf | ret = bdrv_flush(s->bs); |
885 | 78ced65e | Kevin Wolf | if (ret < 0) { |
886 | 78ced65e | Kevin Wolf | if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_FLUSH)) {
|
887 | 78ced65e | Kevin Wolf | return -1; |
888 | 78ced65e | Kevin Wolf | } |
889 | 78ced65e | Kevin Wolf | } |
890 | fc903943 | Gerd Hoffmann | break;
|
891 | 38215553 | Gerd Hoffmann | case GET_CONFIGURATION:
|
892 | 38215553 | Gerd Hoffmann | memset(outbuf, 0, 8); |
893 | 38215553 | Gerd Hoffmann | /* ??? This should probably return much more information. For now
|
894 | 38215553 | Gerd Hoffmann | just return the basic header indicating the CD-ROM profile. */
|
895 | 38215553 | Gerd Hoffmann | outbuf[7] = 8; // CD-ROM |
896 | 38215553 | Gerd Hoffmann | buflen = 8;
|
897 | 38215553 | Gerd Hoffmann | break;
|
898 | 5dd90e2a | Gerd Hoffmann | case SERVICE_ACTION_IN:
|
899 | 5dd90e2a | Gerd Hoffmann | /* Service Action In subcommands. */
|
900 | 5dd90e2a | Gerd Hoffmann | if ((req->cmd.buf[1] & 31) == 0x10) { |
901 | 5dd90e2a | Gerd Hoffmann | DPRINTF("SAI READ CAPACITY(16)\n");
|
902 | 5dd90e2a | Gerd Hoffmann | memset(outbuf, 0, req->cmd.xfer);
|
903 | 428c149b | Christoph Hellwig | bdrv_get_geometry(s->bs, &nb_sectors); |
904 | 5dd90e2a | Gerd Hoffmann | if (!nb_sectors)
|
905 | 5dd90e2a | Gerd Hoffmann | goto not_ready;
|
906 | 5dd90e2a | Gerd Hoffmann | nb_sectors /= s->cluster_size; |
907 | 5dd90e2a | Gerd Hoffmann | /* Returned value is the address of the last sector. */
|
908 | 5dd90e2a | Gerd Hoffmann | nb_sectors--; |
909 | 5dd90e2a | Gerd Hoffmann | /* Remember the new size for read/write sanity checking. */
|
910 | 5dd90e2a | Gerd Hoffmann | s->max_lba = nb_sectors; |
911 | 5dd90e2a | Gerd Hoffmann | outbuf[0] = (nb_sectors >> 56) & 0xff; |
912 | 5dd90e2a | Gerd Hoffmann | outbuf[1] = (nb_sectors >> 48) & 0xff; |
913 | 5dd90e2a | Gerd Hoffmann | outbuf[2] = (nb_sectors >> 40) & 0xff; |
914 | 5dd90e2a | Gerd Hoffmann | outbuf[3] = (nb_sectors >> 32) & 0xff; |
915 | 5dd90e2a | Gerd Hoffmann | outbuf[4] = (nb_sectors >> 24) & 0xff; |
916 | 5dd90e2a | Gerd Hoffmann | outbuf[5] = (nb_sectors >> 16) & 0xff; |
917 | 5dd90e2a | Gerd Hoffmann | outbuf[6] = (nb_sectors >> 8) & 0xff; |
918 | 5dd90e2a | Gerd Hoffmann | outbuf[7] = nb_sectors & 0xff; |
919 | 5dd90e2a | Gerd Hoffmann | outbuf[8] = 0; |
920 | 5dd90e2a | Gerd Hoffmann | outbuf[9] = 0; |
921 | 5dd90e2a | Gerd Hoffmann | outbuf[10] = s->cluster_size * 2; |
922 | 5dd90e2a | Gerd Hoffmann | outbuf[11] = 0; |
923 | ee3659e3 | Christoph Hellwig | outbuf[12] = 0; |
924 | ee3659e3 | Christoph Hellwig | outbuf[13] = get_physical_block_exp(&s->qdev.conf);
|
925 | ea3bd56f | Christoph Hellwig | |
926 | ea3bd56f | Christoph Hellwig | /* set TPE bit if the format supports discard */
|
927 | ea3bd56f | Christoph Hellwig | if (s->qdev.conf.discard_granularity) {
|
928 | ea3bd56f | Christoph Hellwig | outbuf[14] = 0x80; |
929 | ea3bd56f | Christoph Hellwig | } |
930 | ea3bd56f | Christoph Hellwig | |
931 | 5dd90e2a | Gerd Hoffmann | /* Protection, exponent and lowest lba field left blank. */
|
932 | 5dd90e2a | Gerd Hoffmann | buflen = req->cmd.xfer; |
933 | 5dd90e2a | Gerd Hoffmann | break;
|
934 | 5dd90e2a | Gerd Hoffmann | } |
935 | 5dd90e2a | Gerd Hoffmann | DPRINTF("Unsupported Service Action In\n");
|
936 | 5dd90e2a | Gerd Hoffmann | goto illegal_request;
|
937 | 39ec9a50 | Gerd Hoffmann | case REPORT_LUNS:
|
938 | 39ec9a50 | Gerd Hoffmann | if (req->cmd.xfer < 16) |
939 | 39ec9a50 | Gerd Hoffmann | goto illegal_request;
|
940 | 39ec9a50 | Gerd Hoffmann | memset(outbuf, 0, 16); |
941 | 39ec9a50 | Gerd Hoffmann | outbuf[3] = 8; |
942 | 39ec9a50 | Gerd Hoffmann | buflen = 16;
|
943 | 39ec9a50 | Gerd Hoffmann | break;
|
944 | 88f8a5ed | Gerd Hoffmann | case VERIFY:
|
945 | 88f8a5ed | Gerd Hoffmann | break;
|
946 | ebef0bbb | Bernhard Kohl | case REZERO_UNIT:
|
947 | ebef0bbb | Bernhard Kohl | DPRINTF("Rezero Unit\n");
|
948 | ebef0bbb | Bernhard Kohl | if (!bdrv_is_inserted(s->bs)) {
|
949 | ebef0bbb | Bernhard Kohl | goto not_ready;
|
950 | ebef0bbb | Bernhard Kohl | } |
951 | ebef0bbb | Bernhard Kohl | break;
|
952 | aa5dbdc1 | Gerd Hoffmann | default:
|
953 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(INVALID_OPCODE)); |
954 | a1f0cce2 | Hannes Reinecke | return -1; |
955 | aa5dbdc1 | Gerd Hoffmann | } |
956 | a1f0cce2 | Hannes Reinecke | scsi_req_set_status(r, GOOD, SENSE_CODE(NO_SENSE)); |
957 | aa5dbdc1 | Gerd Hoffmann | return buflen;
|
958 | aa5dbdc1 | Gerd Hoffmann | |
959 | aa5dbdc1 | Gerd Hoffmann | not_ready:
|
960 | a1f0cce2 | Hannes Reinecke | if (!bdrv_is_inserted(s->bs)) {
|
961 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(NO_MEDIUM)); |
962 | a1f0cce2 | Hannes Reinecke | } else {
|
963 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(LUN_NOT_READY)); |
964 | a1f0cce2 | Hannes Reinecke | } |
965 | 8af7a3ab | Kevin Wolf | return -1; |
966 | aa5dbdc1 | Gerd Hoffmann | |
967 | aa5dbdc1 | Gerd Hoffmann | illegal_request:
|
968 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(INVALID_FIELD)); |
969 | 8af7a3ab | Kevin Wolf | return -1; |
970 | aa5dbdc1 | Gerd Hoffmann | } |
971 | aa5dbdc1 | Gerd Hoffmann | |
972 | 2e5d83bb | pbrook | /* Execute a scsi command. Returns the length of the data expected by the
|
973 | 2e5d83bb | pbrook | command. This will be Positive for data transfers from the device
|
974 | 2e5d83bb | pbrook | (eg. disk reads), negative for transfers to the device (eg. disk writes),
|
975 | 2e5d83bb | pbrook | and zero if the command does not transfer any data. */
|
976 | 2e5d83bb | pbrook | |
977 | 5c6c0e51 | Hannes Reinecke | static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
|
978 | 2e5d83bb | pbrook | { |
979 | 5c6c0e51 | Hannes Reinecke | SCSIDiskReq *r = DO_UPCAST(SCSIDiskReq, req, req); |
980 | 5c6c0e51 | Hannes Reinecke | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); |
981 | ad2d30f7 | Paolo Bonzini | int32_t len; |
982 | 2e5d83bb | pbrook | int is_write;
|
983 | a917d384 | pbrook | uint8_t command; |
984 | a917d384 | pbrook | uint8_t *outbuf; |
985 | aa5dbdc1 | Gerd Hoffmann | int rc;
|
986 | a917d384 | pbrook | |
987 | 5c6c0e51 | Hannes Reinecke | scsi_req_enqueue(req); |
988 | a917d384 | pbrook | command = buf[0];
|
989 | 3f4cb3d3 | blueswir1 | outbuf = (uint8_t *)r->iov.iov_base; |
990 | 2e5d83bb | pbrook | is_write = 0;
|
991 | a917d384 | pbrook | DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, tag, buf[0]); |
992 | 2dd791b6 | Hannes Reinecke | |
993 | 2dd791b6 | Hannes Reinecke | if (scsi_req_parse(&r->req, buf) != 0) { |
994 | a917d384 | pbrook | BADF("Unsupported command length, command %x\n", command);
|
995 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(INVALID_OPCODE)); |
996 | a1f0cce2 | Hannes Reinecke | return 0; |
997 | 2e5d83bb | pbrook | } |
998 | 2e5d83bb | pbrook | #ifdef DEBUG_SCSI
|
999 | 2e5d83bb | pbrook | { |
1000 | 2e5d83bb | pbrook | int i;
|
1001 | 2dd791b6 | Hannes Reinecke | for (i = 1; i < r->req.cmd.len; i++) { |
1002 | 2e5d83bb | pbrook | printf(" 0x%02x", buf[i]);
|
1003 | 2e5d83bb | pbrook | } |
1004 | 2e5d83bb | pbrook | printf("\n");
|
1005 | 2e5d83bb | pbrook | } |
1006 | 2e5d83bb | pbrook | #endif
|
1007 | aa5dbdc1 | Gerd Hoffmann | |
1008 | 5c6c0e51 | Hannes Reinecke | if (req->lun || buf[1] >> 5) { |
1009 | 2e5d83bb | pbrook | /* Only LUN 0 supported. */
|
1010 | 5c6c0e51 | Hannes Reinecke | DPRINTF("Unimplemented LUN %d\n", req->lun ? req->lun : buf[1] >> 5); |
1011 | a1f0cce2 | Hannes Reinecke | if (command != REQUEST_SENSE && command != INQUIRY) {
|
1012 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, |
1013 | a1f0cce2 | Hannes Reinecke | SENSE_CODE(LUN_NOT_SUPPORTED)); |
1014 | a1f0cce2 | Hannes Reinecke | return 0; |
1015 | a1f0cce2 | Hannes Reinecke | } |
1016 | 2e5d83bb | pbrook | } |
1017 | a917d384 | pbrook | switch (command) {
|
1018 | ebf46023 | Gerd Hoffmann | case TEST_UNIT_READY:
|
1019 | 51ad87c9 | Gerd Hoffmann | case REQUEST_SENSE:
|
1020 | 0b06c059 | Gerd Hoffmann | case INQUIRY:
|
1021 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE:
|
1022 | ebddfcbe | Gerd Hoffmann | case MODE_SENSE_10:
|
1023 | 3d53ba18 | Gerd Hoffmann | case RESERVE:
|
1024 | 3d53ba18 | Gerd Hoffmann | case RESERVE_10:
|
1025 | 3d53ba18 | Gerd Hoffmann | case RELEASE:
|
1026 | 3d53ba18 | Gerd Hoffmann | case RELEASE_10:
|
1027 | 8d3628ff | Gerd Hoffmann | case START_STOP:
|
1028 | c68b9f34 | Gerd Hoffmann | case ALLOW_MEDIUM_REMOVAL:
|
1029 | e7e25e32 | Gerd Hoffmann | case READ_CAPACITY:
|
1030 | fc903943 | Gerd Hoffmann | case SYNCHRONIZE_CACHE:
|
1031 | 02880f43 | Gerd Hoffmann | case READ_TOC:
|
1032 | 38215553 | Gerd Hoffmann | case GET_CONFIGURATION:
|
1033 | 5dd90e2a | Gerd Hoffmann | case SERVICE_ACTION_IN:
|
1034 | 39ec9a50 | Gerd Hoffmann | case REPORT_LUNS:
|
1035 | 88f8a5ed | Gerd Hoffmann | case VERIFY:
|
1036 | ebef0bbb | Bernhard Kohl | case REZERO_UNIT:
|
1037 | 8af7a3ab | Kevin Wolf | rc = scsi_disk_emulate_command(r, outbuf); |
1038 | 8af7a3ab | Kevin Wolf | if (rc < 0) { |
1039 | 0b06c059 | Gerd Hoffmann | return 0; |
1040 | aa5dbdc1 | Gerd Hoffmann | } |
1041 | 8af7a3ab | Kevin Wolf | |
1042 | 8af7a3ab | Kevin Wolf | r->iov.iov_len = rc; |
1043 | 0b06c059 | Gerd Hoffmann | break;
|
1044 | ebf46023 | Gerd Hoffmann | case READ_6:
|
1045 | ebf46023 | Gerd Hoffmann | case READ_10:
|
1046 | bd536cf3 | Gerd Hoffmann | case READ_12:
|
1047 | bd536cf3 | Gerd Hoffmann | case READ_16:
|
1048 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1049 | 2dd791b6 | Hannes Reinecke | DPRINTF("Read (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len); |
1050 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba)
|
1051 | 274fb0e1 | aliguori | goto illegal_lba;
|
1052 | 2dd791b6 | Hannes Reinecke | r->sector = r->req.cmd.lba * s->cluster_size; |
1053 | a917d384 | pbrook | r->sector_count = len * s->cluster_size; |
1054 | 2e5d83bb | pbrook | break;
|
1055 | ebf46023 | Gerd Hoffmann | case WRITE_6:
|
1056 | ebf46023 | Gerd Hoffmann | case WRITE_10:
|
1057 | bd536cf3 | Gerd Hoffmann | case WRITE_12:
|
1058 | bd536cf3 | Gerd Hoffmann | case WRITE_16:
|
1059 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY:
|
1060 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY_12:
|
1061 | ebef0bbb | Bernhard Kohl | case WRITE_VERIFY_16:
|
1062 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1063 | ebef0bbb | Bernhard Kohl | DPRINTF("Write %s(sector %" PRId64 ", count %d)\n", |
1064 | 2dd791b6 | Hannes Reinecke | (command & 0xe) == 0xe ? "And Verify " : "", |
1065 | 2dd791b6 | Hannes Reinecke | r->req.cmd.lba, len); |
1066 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba)
|
1067 | 274fb0e1 | aliguori | goto illegal_lba;
|
1068 | 2dd791b6 | Hannes Reinecke | r->sector = r->req.cmd.lba * s->cluster_size; |
1069 | a917d384 | pbrook | r->sector_count = len * s->cluster_size; |
1070 | 2e5d83bb | pbrook | is_write = 1;
|
1071 | 2e5d83bb | pbrook | break;
|
1072 | ebef0bbb | Bernhard Kohl | case MODE_SELECT:
|
1073 | 2dd791b6 | Hannes Reinecke | DPRINTF("Mode Select(6) (len %lu)\n", (long)r->req.cmd.xfer); |
1074 | ebef0bbb | Bernhard Kohl | /* We don't support mode parameter changes.
|
1075 | ebef0bbb | Bernhard Kohl | Allow the mode parameter header + block descriptors only. */
|
1076 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.xfer > 12) { |
1077 | ebef0bbb | Bernhard Kohl | goto fail;
|
1078 | ebef0bbb | Bernhard Kohl | } |
1079 | ebef0bbb | Bernhard Kohl | break;
|
1080 | ebef0bbb | Bernhard Kohl | case MODE_SELECT_10:
|
1081 | 2dd791b6 | Hannes Reinecke | DPRINTF("Mode Select(10) (len %lu)\n", (long)r->req.cmd.xfer); |
1082 | ebef0bbb | Bernhard Kohl | /* We don't support mode parameter changes.
|
1083 | ebef0bbb | Bernhard Kohl | Allow the mode parameter header + block descriptors only. */
|
1084 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.xfer > 16) { |
1085 | ebef0bbb | Bernhard Kohl | goto fail;
|
1086 | ebef0bbb | Bernhard Kohl | } |
1087 | ebef0bbb | Bernhard Kohl | break;
|
1088 | ebef0bbb | Bernhard Kohl | case SEEK_6:
|
1089 | ebef0bbb | Bernhard Kohl | case SEEK_10:
|
1090 | 2dd791b6 | Hannes Reinecke | DPRINTF("Seek(%d) (sector %" PRId64 ")\n", command == SEEK_6 ? 6 : 10, |
1091 | 2dd791b6 | Hannes Reinecke | r->req.cmd.lba); |
1092 | 2dd791b6 | Hannes Reinecke | if (r->req.cmd.lba > s->max_lba) {
|
1093 | ebef0bbb | Bernhard Kohl | goto illegal_lba;
|
1094 | ebef0bbb | Bernhard Kohl | } |
1095 | ebef0bbb | Bernhard Kohl | break;
|
1096 | ea3bd56f | Christoph Hellwig | case WRITE_SAME_16:
|
1097 | 5c6c0e51 | Hannes Reinecke | len = r->req.cmd.xfer / s->qdev.blocksize; |
1098 | ea3bd56f | Christoph Hellwig | |
1099 | ea3bd56f | Christoph Hellwig | DPRINTF("WRITE SAME(16) (sector %" PRId64 ", count %d)\n", |
1100 | ea3bd56f | Christoph Hellwig | r->req.cmd.lba, len); |
1101 | ea3bd56f | Christoph Hellwig | |
1102 | ea3bd56f | Christoph Hellwig | if (r->req.cmd.lba > s->max_lba) {
|
1103 | ea3bd56f | Christoph Hellwig | goto illegal_lba;
|
1104 | ea3bd56f | Christoph Hellwig | } |
1105 | ea3bd56f | Christoph Hellwig | |
1106 | ea3bd56f | Christoph Hellwig | /*
|
1107 | ea3bd56f | Christoph Hellwig | * We only support WRITE SAME with the unmap bit set for now.
|
1108 | ea3bd56f | Christoph Hellwig | */
|
1109 | ea3bd56f | Christoph Hellwig | if (!(buf[1] & 0x8)) { |
1110 | ea3bd56f | Christoph Hellwig | goto fail;
|
1111 | ea3bd56f | Christoph Hellwig | } |
1112 | ea3bd56f | Christoph Hellwig | |
1113 | ea3bd56f | Christoph Hellwig | rc = bdrv_discard(s->bs, r->req.cmd.lba * s->cluster_size, |
1114 | ea3bd56f | Christoph Hellwig | len * s->cluster_size); |
1115 | ea3bd56f | Christoph Hellwig | if (rc < 0) { |
1116 | ea3bd56f | Christoph Hellwig | /* XXX: better error code ?*/
|
1117 | ea3bd56f | Christoph Hellwig | goto fail;
|
1118 | ea3bd56f | Christoph Hellwig | } |
1119 | ea3bd56f | Christoph Hellwig | |
1120 | ea3bd56f | Christoph Hellwig | break;
|
1121 | 2e5d83bb | pbrook | default:
|
1122 | 2dd791b6 | Hannes Reinecke | DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]); |
1123 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(INVALID_OPCODE)); |
1124 | a1f0cce2 | Hannes Reinecke | return 0; |
1125 | 2e5d83bb | pbrook | fail:
|
1126 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(INVALID_FIELD)); |
1127 | 2dd791b6 | Hannes Reinecke | return 0; |
1128 | 274fb0e1 | aliguori | illegal_lba:
|
1129 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, CHECK_CONDITION, SENSE_CODE(LBA_OUT_OF_RANGE)); |
1130 | 274fb0e1 | aliguori | return 0; |
1131 | 2e5d83bb | pbrook | } |
1132 | c87c0672 | aliguori | if (r->sector_count == 0 && r->iov.iov_len == 0) { |
1133 | a1f0cce2 | Hannes Reinecke | scsi_command_complete(r, GOOD, SENSE_CODE(NO_SENSE)); |
1134 | a917d384 | pbrook | } |
1135 | c87c0672 | aliguori | len = r->sector_count * 512 + r->iov.iov_len;
|
1136 | a917d384 | pbrook | if (is_write) {
|
1137 | ad2d30f7 | Paolo Bonzini | len = -len; |
1138 | a917d384 | pbrook | } else {
|
1139 | a917d384 | pbrook | if (!r->sector_count)
|
1140 | a917d384 | pbrook | r->sector_count = -1;
|
1141 | 2e5d83bb | pbrook | } |
1142 | ad2d30f7 | Paolo Bonzini | return len;
|
1143 | 2e5d83bb | pbrook | } |
1144 | 2e5d83bb | pbrook | |
1145 | e9447f35 | Jan Kiszka | static void scsi_disk_reset(DeviceState *dev) |
1146 | e9447f35 | Jan Kiszka | { |
1147 | e9447f35 | Jan Kiszka | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev); |
1148 | e9447f35 | Jan Kiszka | uint64_t nb_sectors; |
1149 | e9447f35 | Jan Kiszka | |
1150 | c557e889 | Paolo Bonzini | scsi_device_purge_requests(&s->qdev); |
1151 | e9447f35 | Jan Kiszka | |
1152 | e9447f35 | Jan Kiszka | bdrv_get_geometry(s->bs, &nb_sectors); |
1153 | e9447f35 | Jan Kiszka | nb_sectors /= s->cluster_size; |
1154 | e9447f35 | Jan Kiszka | if (nb_sectors) {
|
1155 | e9447f35 | Jan Kiszka | nb_sectors--; |
1156 | e9447f35 | Jan Kiszka | } |
1157 | e9447f35 | Jan Kiszka | s->max_lba = nb_sectors; |
1158 | e9447f35 | Jan Kiszka | } |
1159 | e9447f35 | Jan Kiszka | |
1160 | e9447f35 | Jan Kiszka | static void scsi_destroy(SCSIDevice *dev) |
1161 | e9447f35 | Jan Kiszka | { |
1162 | e9447f35 | Jan Kiszka | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1163 | e9447f35 | Jan Kiszka | |
1164 | c557e889 | Paolo Bonzini | scsi_device_purge_requests(&s->qdev); |
1165 | f8b6cc00 | Markus Armbruster | blockdev_mark_auto_del(s->qdev.conf.bs); |
1166 | 56a14938 | Gerd Hoffmann | } |
1167 | 56a14938 | Gerd Hoffmann | |
1168 | b443ae67 | Markus Armbruster | static int scsi_initfn(SCSIDevice *dev, SCSIDriveKind kind) |
1169 | 2e5d83bb | pbrook | { |
1170 | d52affa7 | Gerd Hoffmann | SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); |
1171 | f8b6cc00 | Markus Armbruster | DriveInfo *dinfo; |
1172 | 2e5d83bb | pbrook | |
1173 | f8b6cc00 | Markus Armbruster | if (!s->qdev.conf.bs) {
|
1174 | 1ecda02b | Markus Armbruster | error_report("scsi-disk: drive property not set");
|
1175 | d52affa7 | Gerd Hoffmann | return -1; |
1176 | d52affa7 | Gerd Hoffmann | } |
1177 | f8b6cc00 | Markus Armbruster | s->bs = s->qdev.conf.bs; |
1178 | b443ae67 | Markus Armbruster | s->drive_kind = kind; |
1179 | d52affa7 | Gerd Hoffmann | |
1180 | b443ae67 | Markus Armbruster | if (kind == SCSI_HD && !bdrv_is_inserted(s->bs)) {
|
1181 | 98f28ad7 | Markus Armbruster | error_report("Device needs media, but drive is empty");
|
1182 | 98f28ad7 | Markus Armbruster | return -1; |
1183 | 98f28ad7 | Markus Armbruster | } |
1184 | 98f28ad7 | Markus Armbruster | |
1185 | a0fef654 | Markus Armbruster | if (!s->serial) {
|
1186 | f8b6cc00 | Markus Armbruster | /* try to fall back to value set with legacy -drive serial=... */
|
1187 | f8b6cc00 | Markus Armbruster | dinfo = drive_get_by_blockdev(s->bs); |
1188 | f8b6cc00 | Markus Armbruster | s->serial = qemu_strdup(*dinfo->serial ? dinfo->serial : "0");
|
1189 | a0fef654 | Markus Armbruster | } |
1190 | a0fef654 | Markus Armbruster | |
1191 | 552fee93 | Markus Armbruster | if (!s->version) {
|
1192 | 552fee93 | Markus Armbruster | s->version = qemu_strdup(QEMU_VERSION); |
1193 | 552fee93 | Markus Armbruster | } |
1194 | 552fee93 | Markus Armbruster | |
1195 | 32bb404a | Markus Armbruster | if (bdrv_is_sg(s->bs)) {
|
1196 | 1ecda02b | Markus Armbruster | error_report("scsi-disk: unwanted /dev/sg*");
|
1197 | 32bb404a | Markus Armbruster | return -1; |
1198 | 32bb404a | Markus Armbruster | } |
1199 | 32bb404a | Markus Armbruster | |
1200 | b443ae67 | Markus Armbruster | if (kind == SCSI_CD) {
|
1201 | 8cfacf07 | Christoph Hellwig | s->qdev.blocksize = 2048;
|
1202 | 2e5d83bb | pbrook | } else {
|
1203 | 8cfacf07 | Christoph Hellwig | s->qdev.blocksize = s->qdev.conf.logical_block_size; |
1204 | 2e5d83bb | pbrook | } |
1205 | 8cfacf07 | Christoph Hellwig | s->cluster_size = s->qdev.blocksize / 512;
|
1206 | 73fdb1e1 | Christoph Hellwig | s->bs->buffer_alignment = s->qdev.blocksize; |
1207 | 8cfacf07 | Christoph Hellwig | |
1208 | 91376656 | Gerd Hoffmann | s->qdev.type = TYPE_DISK; |
1209 | ea8a5d7f | aliguori | qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s); |
1210 | b443ae67 | Markus Armbruster | bdrv_set_removable(s->bs, kind == SCSI_CD); |
1211 | 1ca4d09a | Gleb Natapov | add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, ",0");
|
1212 | d52affa7 | Gerd Hoffmann | return 0; |
1213 | d52affa7 | Gerd Hoffmann | } |
1214 | d52affa7 | Gerd Hoffmann | |
1215 | b443ae67 | Markus Armbruster | static int scsi_hd_initfn(SCSIDevice *dev) |
1216 | b443ae67 | Markus Armbruster | { |
1217 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, SCSI_HD);
|
1218 | b443ae67 | Markus Armbruster | } |
1219 | b443ae67 | Markus Armbruster | |
1220 | b443ae67 | Markus Armbruster | static int scsi_cd_initfn(SCSIDevice *dev) |
1221 | b443ae67 | Markus Armbruster | { |
1222 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, SCSI_CD);
|
1223 | b443ae67 | Markus Armbruster | } |
1224 | b443ae67 | Markus Armbruster | |
1225 | b443ae67 | Markus Armbruster | static int scsi_disk_initfn(SCSIDevice *dev) |
1226 | b443ae67 | Markus Armbruster | { |
1227 | b443ae67 | Markus Armbruster | SCSIDriveKind kind; |
1228 | 95b5edcd | Markus Armbruster | DriveInfo *dinfo; |
1229 | b443ae67 | Markus Armbruster | |
1230 | b443ae67 | Markus Armbruster | if (!dev->conf.bs) {
|
1231 | b443ae67 | Markus Armbruster | kind = SCSI_HD; /* will die in scsi_initfn() */
|
1232 | b443ae67 | Markus Armbruster | } else {
|
1233 | 95b5edcd | Markus Armbruster | dinfo = drive_get_by_blockdev(dev->conf.bs); |
1234 | 95b5edcd | Markus Armbruster | kind = dinfo->media_cd ? SCSI_CD : SCSI_HD; |
1235 | b443ae67 | Markus Armbruster | } |
1236 | b443ae67 | Markus Armbruster | |
1237 | b443ae67 | Markus Armbruster | return scsi_initfn(dev, kind);
|
1238 | b443ae67 | Markus Armbruster | } |
1239 | b443ae67 | Markus Armbruster | |
1240 | b443ae67 | Markus Armbruster | #define DEFINE_SCSI_DISK_PROPERTIES() \
|
1241 | b443ae67 | Markus Armbruster | DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf), \ |
1242 | b443ae67 | Markus Armbruster | DEFINE_PROP_STRING("ver", SCSIDiskState, version), \
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1243 | b443ae67 | Markus Armbruster | DEFINE_PROP_STRING("serial", SCSIDiskState, serial)
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1244 | b443ae67 | Markus Armbruster | |
1245 | b443ae67 | Markus Armbruster | static SCSIDeviceInfo scsi_disk_info[] = {
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1246 | b443ae67 | Markus Armbruster | { |
1247 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-hd",
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1248 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1249 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI disk",
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1250 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1251 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1252 | b443ae67 | Markus Armbruster | .init = scsi_hd_initfn, |
1253 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1254 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1255 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1256 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1257 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1258 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1259 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1260 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1261 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1262 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1263 | b443ae67 | Markus Armbruster | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), |
1264 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1265 | b443ae67 | Markus Armbruster | } |
1266 | b443ae67 | Markus Armbruster | },{ |
1267 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-cd",
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1268 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1269 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI CD-ROM",
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1270 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1271 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1272 | b443ae67 | Markus Armbruster | .init = scsi_cd_initfn, |
1273 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1274 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1275 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1276 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1277 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1278 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1279 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1280 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1281 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1282 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1283 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1284 | b443ae67 | Markus Armbruster | }, |
1285 | b443ae67 | Markus Armbruster | },{ |
1286 | b443ae67 | Markus Armbruster | .qdev.name = "scsi-disk", /* legacy -device scsi-disk */ |
1287 | b443ae67 | Markus Armbruster | .qdev.fw_name = "disk",
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1288 | b443ae67 | Markus Armbruster | .qdev.desc = "virtual SCSI disk or CD-ROM (legacy)",
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1289 | b443ae67 | Markus Armbruster | .qdev.size = sizeof(SCSIDiskState),
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1290 | b443ae67 | Markus Armbruster | .qdev.reset = scsi_disk_reset, |
1291 | b443ae67 | Markus Armbruster | .init = scsi_disk_initfn, |
1292 | b443ae67 | Markus Armbruster | .destroy = scsi_destroy, |
1293 | 5c6c0e51 | Hannes Reinecke | .alloc_req = scsi_new_request, |
1294 | ad2d30f7 | Paolo Bonzini | .free_req = scsi_free_request, |
1295 | b443ae67 | Markus Armbruster | .send_command = scsi_send_command, |
1296 | b443ae67 | Markus Armbruster | .read_data = scsi_read_data, |
1297 | b443ae67 | Markus Armbruster | .write_data = scsi_write_data, |
1298 | b443ae67 | Markus Armbruster | .cancel_io = scsi_cancel_io, |
1299 | b443ae67 | Markus Armbruster | .get_buf = scsi_get_buf, |
1300 | b443ae67 | Markus Armbruster | .qdev.props = (Property[]) { |
1301 | b443ae67 | Markus Armbruster | DEFINE_SCSI_DISK_PROPERTIES(), |
1302 | b443ae67 | Markus Armbruster | DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), |
1303 | b443ae67 | Markus Armbruster | DEFINE_PROP_END_OF_LIST(), |
1304 | b443ae67 | Markus Armbruster | } |
1305 | b443ae67 | Markus Armbruster | } |
1306 | d52affa7 | Gerd Hoffmann | }; |
1307 | d52affa7 | Gerd Hoffmann | |
1308 | d52affa7 | Gerd Hoffmann | static void scsi_disk_register_devices(void) |
1309 | d52affa7 | Gerd Hoffmann | { |
1310 | b443ae67 | Markus Armbruster | int i;
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1311 | b443ae67 | Markus Armbruster | |
1312 | b443ae67 | Markus Armbruster | for (i = 0; i < ARRAY_SIZE(scsi_disk_info); i++) { |
1313 | b443ae67 | Markus Armbruster | scsi_qdev_register(&scsi_disk_info[i]); |
1314 | b443ae67 | Markus Armbruster | } |
1315 | 8ccc2ace | ths | } |
1316 | d52affa7 | Gerd Hoffmann | device_init(scsi_disk_register_devices) |