File: sg_cmds_mmc.c

package info (click to toggle)
ddpt 0.95-1
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 1,772 kB
  • sloc: ansic: 21,845; sh: 5,153; makefile: 155
file content (357 lines) | stat: -rw-r--r-- 12,309 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
/*
 * Copyright (c) 2008-2013 Douglas Gilbert.
 * All rights reserved.
 * Use of this source code is governed by a BSD-style
 * license that can be found in the BSD_LICENSE file.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define __STDC_FORMAT_MACROS 1
#include <inttypes.h>

#include "sg_lib.h"
#include "sg_cmds_basic.h"
#include "sg_cmds_mmc.h"
#include "sg_pt.h"

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif


#define SENSE_BUFF_LEN 64       /* Arbitrary, could be larger */

#define DEF_PT_TIMEOUT 60       /* 60 seconds */

#define GET_CONFIG_CMD 0x46
#define GET_CONFIG_CMD_LEN 10
#define GET_PERFORMANCE_CMD 0xac
#define GET_PERFORMANCE_CMD_LEN 12
#define SET_CD_SPEED_CMD 0xbb
#define SET_CD_SPEED_CMDLEN 12
#define SET_STREAMING_CMD 0xb6
#define SET_STREAMING_CMDLEN 12


/* Invokes a SCSI SET CD SPEED command (MMC).
 * Return of 0 -> success, SG_LIB_CAT_INVALID_OP -> command not supported,
 * SG_LIB_CAT_ILLEGAL_REQ -> bad field in cdb, SG_LIB_CAT_UNIT_ATTENTION,
 * SG_LIB_CAT_NOT_READY -> device not ready, SG_LIB_CAT_ABORTED_COMMAND,
 * -1 -> other failure */
int
sg_ll_set_cd_speed(int sg_fd, int rot_control, int drv_read_speed,
                   int drv_write_speed, int noisy, int verbose)
{
    int res, ret, k, sense_cat;
    unsigned char scsCmdBlk[SET_CD_SPEED_CMDLEN] = {SET_CD_SPEED_CMD, 0,
                                         0, 0, 0, 0, 0, 0, 0, 0, 0 ,0};
    unsigned char sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (NULL == sg_warnings_strm)
        sg_warnings_strm = stderr;
    scsCmdBlk[1] |= (rot_control & 0x3);
    scsCmdBlk[2] = (drv_read_speed >> 8) & 0xff;
    scsCmdBlk[3] = drv_read_speed & 0xff;
    scsCmdBlk[4] = (drv_write_speed >> 8) & 0xff;
    scsCmdBlk[5] = drv_write_speed & 0xff;

    if (verbose) {
        fprintf(sg_warnings_strm, "    set cd speed cdb: ");
        for (k = 0; k < SET_CD_SPEED_CMDLEN; ++k)
            fprintf(sg_warnings_strm, "%02x ", scsCmdBlk[k]);
        fprintf(sg_warnings_strm, "\n");
    }
    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        fprintf(sg_warnings_strm, "set cd speed: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, scsCmdBlk, sizeof(scsCmdBlk));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, "set cd speed", res, 0,
                               sense_b, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ;
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_NOT_READY:
        case SG_LIB_CAT_UNIT_ATTENTION:
        case SG_LIB_CAT_INVALID_OP:
        case SG_LIB_CAT_ILLEGAL_REQ:
        case SG_LIB_CAT_ABORTED_COMMAND:
            ret = sense_cat;
            break;
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = -1;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}

/* Invokes a SCSI GET CONFIGURATION command (MMC-3,4,5).
 * Returns 0 when successful, SG_LIB_CAT_INVALID_OP if command not
 * supported, SG_LIB_CAT_ILLEGAL_REQ if field in cdb not supported,
 * SG_LIB_CAT_UNIT_ATTENTION, SG_LIB_CAT_ABORTED_COMMAND, else -1 */
int
sg_ll_get_config(int sg_fd, int rt, int starting, void * resp,
                 int mx_resp_len, int noisy, int verbose)
{
    int res, k, ret, sense_cat;
    unsigned char gcCmdBlk[GET_CONFIG_CMD_LEN] = {GET_CONFIG_CMD, 0, 0, 0,
                                                  0, 0, 0, 0, 0, 0};
    unsigned char sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (NULL == sg_warnings_strm)
        sg_warnings_strm = stderr;
    if ((rt < 0) || (rt > 3)) {
        fprintf(sg_warnings_strm, "Bad rt value: %d\n", rt);
        return -1;
    }
    gcCmdBlk[1] = (rt & 0x3);
    if ((starting < 0) || (starting > 0xffff)) {
        fprintf(sg_warnings_strm, "Bad starting field number: 0x%x\n",
                starting);
        return -1;
    }
    gcCmdBlk[2] = (unsigned char)((starting >> 8) & 0xff);
    gcCmdBlk[3] = (unsigned char)(starting & 0xff);
    if ((mx_resp_len < 0) || (mx_resp_len > 0xffff)) {
        fprintf(sg_warnings_strm, "Bad mx_resp_len: 0x%x\n", starting);
        return -1;
    }
    gcCmdBlk[7] = (unsigned char)((mx_resp_len >> 8) & 0xff);
    gcCmdBlk[8] = (unsigned char)(mx_resp_len & 0xff);

    if (verbose) {
        fprintf(sg_warnings_strm, "    Get Configuration cdb: ");
        for (k = 0; k < GET_CONFIG_CMD_LEN; ++k)
            fprintf(sg_warnings_strm, "%02x ", gcCmdBlk[k]);
        fprintf(sg_warnings_strm, "\n");
    }

    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        fprintf(sg_warnings_strm, "get configuration: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, gcCmdBlk, sizeof(gcCmdBlk));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, "get configuration", res, mx_resp_len,
                               sense_b, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ;
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_INVALID_OP:
        case SG_LIB_CAT_ILLEGAL_REQ:
        case SG_LIB_CAT_UNIT_ATTENTION:
        case SG_LIB_CAT_ABORTED_COMMAND:
            ret = sense_cat;
            break;
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = -1;
            break;
        }
    } else {
        if ((verbose > 2) && (ret > 3)) {
            unsigned char * ucp;
            int len;

            ucp = (unsigned char *)resp;
            len = (ucp[0] << 24) + (ucp[1] << 16) + (ucp[2] << 8) + ucp[3] +
                  4;
            if (len < 0)
                len = 0;
            len = (ret < len) ? ret : len;
            fprintf(sg_warnings_strm, "    get configuration: response%s\n",
                    (len > 256 ? ", first 256 bytes" : ""));
            dStrHexErr((const char *)resp, (len > 256 ? 256 : len), -1);
        }
        ret = 0;
    }
    destruct_scsi_pt_obj(ptvp);
    return ret;
}

/* Invokes a SCSI GET PERFORMANCE command (MMC-3...6).
 * Returns 0 when successful, SG_LIB_CAT_INVALID_OP if command not
 * supported, SG_LIB_CAT_ILLEGAL_REQ if field in cdb not supported,
 * SG_LIB_CAT_UNIT_ATTENTION, SG_LIB_CAT_ABORTED_COMMAND, else -1 */
int
sg_ll_get_performance(int sg_fd, int data_type, unsigned int starting_lba,
                      int max_num_desc, int ttype, void * resp,
                      int mx_resp_len, int noisy, int verbose)
{
    int res, k, ret, sense_cat;
    unsigned char gpCmdBlk[GET_PERFORMANCE_CMD_LEN] = {GET_PERFORMANCE_CMD, 0,
                                        0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    unsigned char sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (NULL == sg_warnings_strm)
        sg_warnings_strm = stderr;
    if ((data_type < 0) || (data_type > 0x1f)) {
        fprintf(sg_warnings_strm, "Bad data_type value: %d\n", data_type);
        return -1;
    }
    gpCmdBlk[1] = (data_type & 0x1f);
    gpCmdBlk[2] = (unsigned char)((starting_lba >> 24) & 0xff);
    gpCmdBlk[3] = (unsigned char)((starting_lba >> 16) & 0xff);
    gpCmdBlk[4] = (unsigned char)((starting_lba >> 8) & 0xff);
    gpCmdBlk[3] = (unsigned char)(starting_lba & 0xff);
    if ((max_num_desc < 0) || (max_num_desc > 0xffff)) {
        fprintf(sg_warnings_strm, "Bad max_num_desc: 0x%x\n", max_num_desc);
        return -1;
    }
    gpCmdBlk[8] = (unsigned char)((max_num_desc >> 8) & 0xff);
    gpCmdBlk[9] = (unsigned char)(max_num_desc & 0xff);
    if ((ttype < 0) || (ttype > 0xff)) {
        fprintf(sg_warnings_strm, "Bad type: 0x%x\n", ttype);
        return -1;
    }
    gpCmdBlk[10] = (unsigned char)ttype;

    if (verbose) {
        fprintf(sg_warnings_strm, "    Get Performance cdb: ");
        for (k = 0; k < GET_PERFORMANCE_CMD_LEN; ++k)
            fprintf(sg_warnings_strm, "%02x ", gpCmdBlk[k]);
        fprintf(sg_warnings_strm, "\n");
    }

    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        fprintf(sg_warnings_strm, "get performance: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, gpCmdBlk, sizeof(gpCmdBlk));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, "get performance", res, mx_resp_len,
                               sense_b, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ;
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_INVALID_OP:
        case SG_LIB_CAT_ILLEGAL_REQ:
        case SG_LIB_CAT_UNIT_ATTENTION:
        case SG_LIB_CAT_ABORTED_COMMAND:
            ret = sense_cat;
            break;
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = -1;
            break;
        }
    } else {
        if ((verbose > 2) && (ret > 3)) {
            unsigned char * ucp;
            int len;

            ucp = (unsigned char *)resp;
            len = (ucp[0] << 24) + (ucp[1] << 16) + (ucp[2] << 8) + ucp[3] +
                  4;
            if (len < 0)
                len = 0;
            len = (ret < len) ? ret : len;
            fprintf(sg_warnings_strm, "    get performance:: response%s\n",
                    (len > 256 ? ", first 256 bytes" : ""));
            dStrHexErr((const char *)resp, (len > 256 ? 256 : len), -1);
        }
        ret = 0;
    }
    destruct_scsi_pt_obj(ptvp);
    return ret;
}

/* Invokes a SCSI SET STREAMING command (MMC). Return of 0 -> success,
 * SG_LIB_CAT_INVALID_OP -> Set Streaming not supported,
 * SG_LIB_CAT_ILLEGAL_REQ -> bad field in cdb, SG_LIB_CAT_ABORTED_COMMAND,
 * SG_LIB_CAT_UNIT_ATTENTION, SG_LIB_CAT_NOT_READY -> device not ready,
 * -1 -> other failure */
int
sg_ll_set_streaming(int sg_fd, int type, void * paramp, int param_len,
                    int noisy, int verbose)
{
    int k, res, ret, sense_cat;
    unsigned char ssCmdBlk[SET_STREAMING_CMDLEN] =
                 {SET_STREAMING_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    unsigned char sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    ssCmdBlk[8] = type;
    ssCmdBlk[9] = (param_len >> 8) & 0xff;
    ssCmdBlk[10] = param_len & 0xff;
    if (NULL == sg_warnings_strm)
        sg_warnings_strm = stderr;
    if (verbose) {
        fprintf(sg_warnings_strm, "    set streaming cdb: ");
        for (k = 0; k < SET_STREAMING_CMDLEN; ++k)
            fprintf(sg_warnings_strm, "%02x ", ssCmdBlk[k]);
        fprintf(sg_warnings_strm, "\n");
        if ((verbose > 1) && paramp && param_len) {
            fprintf(sg_warnings_strm, "    set streaming "
                    "parameter list:\n");
            dStrHexErr((const char *)paramp, param_len, -1);
        }
    }

    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        fprintf(sg_warnings_strm, "set streaming: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, ssCmdBlk, sizeof(ssCmdBlk));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_out(ptvp, (unsigned char *)paramp, param_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, "set streaming", res, 0,
                               sense_b, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ;
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_NOT_READY:
        case SG_LIB_CAT_INVALID_OP:
        case SG_LIB_CAT_ILLEGAL_REQ:
        case SG_LIB_CAT_UNIT_ATTENTION:
        case SG_LIB_CAT_ABORTED_COMMAND:
            ret = sense_cat;
            break;
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = -1;
            break;
        }
    } else
        ret = 0;
    destruct_scsi_pt_obj(ptvp);
    return ret;
}