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README	776 B	-rw-r--r--
forwarded_sense.txt	296 B	-rw-r--r--
nvme_dev_self_test.hex	806 B	-rw-r--r--
nvme_identify_ctl.hex	1.17 KB	-rw-r--r--
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reassign_addr.txt	465 B	-rw-r--r--
ref_sense.txt	305 B	-rw-r--r--
scsi_inquiry.c	4.09 KB	-rw-r--r--
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sdiag_sas_p1_prbs15.txt	408 B	-rw-r--r--
sdiag_sas_p1_stop.txt	359 B	-rw-r--r--
sg__sat_identify.c	7.55 KB	-rw-r--r--
sg__sat_phy_event.c	12.02 KB	-rw-r--r--
sg__sat_set_features.c	9.7 KB	-rw-r--r--
sg_compare_and_write.txt	2.42 KB	-rw-r--r--
sg_excl.c	5.98 KB	-rw-r--r--
sg_persist_tst.sh	3.54 KB	-rwxr-xr-x
sg_sat_chk_power.c	8.95 KB	-rw-r--r--
sg_sat_smart_rd_data.c	6.4 KB	-rw-r--r--
sg_simple1.c	5.87 KB	-rw-r--r--
sg_simple16.c	3.41 KB	-rw-r--r--
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sg_simple3.c	6.46 KB	-rw-r--r--
sg_simple4.c	7.25 KB	-rw-r--r--
sg_simple5.c	7.47 KB	-rw-r--r--
sg_unmap_example.txt	1.53 KB	-rw-r--r--
sgq_dd.c	37.77 KB	-rw-r--r--
transport_ids.txt	1.1 KB	-rw-r--r--

Code Editor : sg_simple5.c

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "sg_lib.h"
#include "sg_pt.h"

/* This is a simple program executing a SCSI INQUIRY command and a
   TEST UNIT READY command using the SCSI generic pass through
   interface. This allows this example program to be ported to
   OSes other than linux.

*  Copyright (C) 2006-20018 D. Gilbert
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2, or (at your option)
*  any later version.

Invocation: sg_simple5 [-x] <scsi_device>

Version 1.03 (20180220)

#define INQ_REPLY_LEN 96
#define INQ_CMD_LEN 6
#define TUR_CMD_LEN 6

#define CMD_TIMEOUT_SECS 60

int main(int argc, char * argv[])
{
    int sg_fd, k, ok, dsize, res, duration, resid, cat, got, slen;
    uint8_t inq_cdb [INQ_CMD_LEN] =
                                {0x12, 0, 0, 0, INQ_REPLY_LEN, 0};
    uint8_t tur_cdb [TUR_CMD_LEN] =
                                {0x00, 0, 0, 0, 0, 0};
    uint8_t inqBuff[INQ_REPLY_LEN];
    char * file_name = 0;
    char b[512];
    uint8_t sense_b[32];
    int verbose = 0;
    struct sg_pt_base * ptvp;

for (k = 1; k < argc; ++k) {
        if (0 == strcmp("-v", argv[k]))
            verbose = 1;
        else if (0 == strcmp("-vv", argv[k]))
            verbose = 2;
        else if (0 == strcmp("-vvv", argv[k]))
            verbose = 3;
        else if (*argv[k] == '-') {
            printf("Unrecognized switch: %s\n", argv[k]);
            file_name = 0;
            break;
        }
        else if (0 == file_name)
            file_name = argv[k];
        else {
            printf("too many arguments\n");
            file_name = 0;
            break;
        }
    }
    if (0 == file_name) {
        printf("Usage: 'sg_simple5 [-v|-vv|-vvv] <device>'\n");
        return 1;
    }

sg_fd = scsi_pt_open_device(file_name, 1 /* ro */, 0);
    /* N.B. An access mode of O_RDWR is required for some SCSI commands */
    if (sg_fd < 0) {
        fprintf(stderr, "error opening file: %s: %s\n",
                file_name, safe_strerror(-sg_fd));
        return 1;
    }

dsize = sizeof(inqBuff);
    ok = 0;

ptvp = construct_scsi_pt_obj();     /* one object per command */
    if (NULL == ptvp) {
        fprintf(stderr, "sg_simple5: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, inq_cdb, sizeof(inq_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, inqBuff, dsize);
    res = do_scsi_pt(ptvp, sg_fd, CMD_TIMEOUT_SECS, verbose);
    if (res < 0) {
        fprintf(stderr, "  pass through os error: %s\n",
                safe_strerror(-res));
        goto finish_inq;
    } else if (SCSI_PT_DO_BAD_PARAMS == res) {
        fprintf(stderr, "  bad pass through setup\n");
        goto finish_inq;
    } else if (SCSI_PT_DO_TIMEOUT == res) {
        fprintf(stderr, "  pass through timeout\n");
        goto finish_inq;
    }
    if ((verbose > 1) && ((duration = get_scsi_pt_duration_ms(ptvp)) >= 0))
        fprintf(stderr, "      duration=%d ms\n", duration);
    resid = get_scsi_pt_resid(ptvp);
    switch ((cat = get_scsi_pt_result_category(ptvp))) {
    case SCSI_PT_RESULT_GOOD:
        got = dsize - resid;
        if (verbose && (resid > 0))
            fprintf(stderr, "    requested %d bytes but "
                    "got %d bytes)\n", dsize, got);
        break;
    case SCSI_PT_RESULT_STATUS: /* other than GOOD and CHECK CONDITION */
        if (verbose) {
            sg_get_scsi_status_str(get_scsi_pt_status_response(ptvp),
                                   sizeof(b), b);
            fprintf(stderr, "  scsi status: %s\n", b);
        }
        goto finish_inq;
    case SCSI_PT_RESULT_SENSE:
        slen = get_scsi_pt_sense_len(ptvp);
        if (verbose) {
            sg_get_sense_str("", sense_b, slen, (verbose > 1),
                             sizeof(b), b);
            fprintf(stderr, "%s", b);
        }
        if (verbose && (resid > 0)) {
            got = dsize - resid;
            if ((verbose) || (got > 0))
                fprintf(stderr, "    requested %d bytes but "
                        "got %d bytes\n", dsize, got);
        }
        goto finish_inq;
    case SCSI_PT_RESULT_TRANSPORT_ERR:
        if (verbose) {
            get_scsi_pt_transport_err_str(ptvp, sizeof(b), b);
            fprintf(stderr, "  transport: %s", b);
        }
        goto finish_inq;
    case SCSI_PT_RESULT_OS_ERR:
        if (verbose) {
            get_scsi_pt_os_err_str(ptvp, sizeof(b), b);
            fprintf(stderr, "  os: %s", b);
        }
        goto finish_inq;
    default:
        fprintf(stderr, "  unknown pass through result "
                "category (%d)\n", cat);
        goto finish_inq;
    }

ok = 1;
finish_inq:
    destruct_scsi_pt_obj(ptvp);

if (ok) { /* output result if it is available */
        char * p = (char *)inqBuff;

printf("Some of the INQUIRY command's results:\n");
        printf("    %.8s  %.16s  %.4s\n", p + 8, p + 16, p + 32);
    }
    ok = 0;

/* Now prepare TEST UNIT READY command */
    ptvp = construct_scsi_pt_obj();     /* one object per command */
    if (NULL == ptvp) {
        fprintf(stderr, "sg_simple5: out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, tur_cdb, sizeof(tur_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    /* no data in or out */
    res = do_scsi_pt(ptvp, sg_fd, CMD_TIMEOUT_SECS, verbose);
    if (res < 0) {
        fprintf(stderr, "  pass through os error: %s\n",
                safe_strerror(-res));
        goto finish_inq;
    } else if (SCSI_PT_DO_BAD_PARAMS == res) {
        fprintf(stderr, "  bad pass through setup\n");
        goto finish_inq;
    } else if (SCSI_PT_DO_TIMEOUT == res) {
        fprintf(stderr, "  pass through timeout\n");
        goto finish_inq;
    }
    if ((verbose > 1) && ((duration = get_scsi_pt_duration_ms(ptvp)) >= 0))
        fprintf(stderr, "      duration=%d ms\n", duration);
    resid = get_scsi_pt_resid(ptvp);
    switch ((cat = get_scsi_pt_result_category(ptvp))) {
    case SCSI_PT_RESULT_GOOD:
        break;
    case SCSI_PT_RESULT_STATUS: /* other than GOOD and CHECK CONDITION */
        if (verbose) {
            sg_get_scsi_status_str(get_scsi_pt_status_response(ptvp),
                                   sizeof(b), b);
            fprintf(stderr, "  scsi status: %s\n", b);
        }
        goto finish_tur;
    case SCSI_PT_RESULT_SENSE:
        slen = get_scsi_pt_sense_len(ptvp);
        if (verbose) {
            sg_get_sense_str("", sense_b, slen, (verbose > 1),
                             sizeof(b), b);
            fprintf(stderr, "%s", b);
        }
        goto finish_tur;
    case SCSI_PT_RESULT_TRANSPORT_ERR:
        if (verbose) {
            get_scsi_pt_transport_err_str(ptvp, sizeof(b), b);
            fprintf(stderr, "  transport: %s", b);
        }
        goto finish_tur;
    case SCSI_PT_RESULT_OS_ERR:
        if (verbose) {
            get_scsi_pt_os_err_str(ptvp, sizeof(b), b);
            fprintf(stderr, "  os: %s", b);
        }
        goto finish_tur;
    default:
        fprintf(stderr, "  unknown pass through result "
                "category (%d)\n", cat);
        goto finish_tur;
    }

ok = 1;
finish_tur:
    destruct_scsi_pt_obj(ptvp);

if (ok)
        printf("Test Unit Ready successful so unit is ready!\n");
    else
        printf("Test Unit Ready failed so unit may _not_ be ready!\n");

scsi_pt_close_device(sg_fd);
    return 0;
}

${this.title}

Code Editor : sg_simple5.c