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archive	[ DIR ]	drwxr-xr-x
Makefile	3.08 KB	-rw-r--r--
Makefile.freebsd	1.98 KB	-rw-r--r--
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--
reassign_addr.txt	465 B	-rw-r--r--
ref_sense.txt	305 B	-rw-r--r--
scsi_inquiry.c.gz	1.59 KB	-rw-r--r--
sdiag_sas_p0_cjtpat.txt	405 B	-rw-r--r--
sdiag_sas_p1_cjtpat.txt	464 B	-rw-r--r--
sdiag_sas_p1_idle.txt	560 B	-rw-r--r--
sdiag_sas_p1_stop.txt	359 B	-rw-r--r--
sg__sat_identify.c.gz	3.01 KB	-rw-r--r--
sg__sat_phy_event.c.gz	4.21 KB	-rw-r--r--
sg__sat_set_features.c.gz	3.33 KB	-rw-r--r--
sg_compare_and_write.txt	2.43 KB	-rw-r--r--
sg_excl.c.gz	1.99 KB	-rw-r--r--
sg_persist_tst.sh	3.54 KB	-rwxr-xr-x
sg_sat_chk_power.c.gz	3.24 KB	-rw-r--r--
sg_sat_smart_rd_data.c.gz	2.61 KB	-rw-r--r--
sg_simple1.c.gz	2 KB	-rw-r--r--
sg_simple16.c	3.41 KB	-rw-r--r--
sg_simple2.c.gz	2.09 KB	-rw-r--r--
sg_simple3.c.gz	2.1 KB	-rw-r--r--
sg_simple4.c.gz	2.33 KB	-rw-r--r--
sg_simple5.c.gz	1.89 KB	-rw-r--r--
sg_unmap_example.txt	1.6 KB	-rw-r--r--
sgq_dd.c.gz	8.95 KB	-rw-r--r--
transport_ids.txt	1.11 KB	-rw-r--r--

Code Editor : sg_simple16.c

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sg_lib.h"
#include "sg_io_linux.h"

/* This program performs a READ_16 command as scsi mid-level support
   16 byte commands from lk 2.4.15

*  Copyright (C) 2001-2018 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_simple16 <scsi_device>

Version 1.04 (20180218)

#define READ16_REPLY_LEN 512
#define READ16_CMD_LEN 16

#define EBUFF_SZ 256

int main(int argc, char * argv[])
{
    int sg_fd, k, ok;
    uint8_t r16_cdb [READ16_CMD_LEN] =
                {0x88, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0};
    sg_io_hdr_t io_hdr;
    char * file_name = 0;
    char ebuff[EBUFF_SZ];
    uint8_t inBuff[READ16_REPLY_LEN];
    uint8_t sense_buffer[32];

for (k = 1; k < argc; ++k) {
        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_simple16 <sg_device>'\n");
        return 1;
    }

if ((sg_fd = open(file_name, O_RDWR)) < 0) {
        snprintf(ebuff, EBUFF_SZ,
                 "sg_simple16: error opening file: %s", file_name);
        perror(ebuff);
        return 1;
    }
    /* Just to be safe, check we have a new sg device by trying an ioctl */
    if ((ioctl(sg_fd, SG_GET_VERSION_NUM, &k) < 0) || (k < 30000)) {
        printf("sg_simple16: %s doesn't seem to be an new sg device\n",
               file_name);
        close(sg_fd);
        return 1;
    }

/* Prepare READ_16 command */
    memset(&io_hdr, 0, sizeof(sg_io_hdr_t));
    io_hdr.interface_id = 'S';
    io_hdr.cmd_len = sizeof(r16_cdb);
    /* io_hdr.iovec_count = 0; */  /* memset takes care of this */
    io_hdr.mx_sb_len = sizeof(sense_buffer);
    io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
    io_hdr.dxfer_len = READ16_REPLY_LEN;
    io_hdr.dxferp = inBuff;
    io_hdr.cmdp = r16_cdb;
    io_hdr.sbp = sense_buffer;
    io_hdr.timeout = 20000;     /* 20000 millisecs == 20 seconds */
    /* io_hdr.flags = 0; */     /* take defaults: indirect IO, etc */
    /* io_hdr.pack_id = 0; */
    /* io_hdr.usr_ptr = NULL; */

if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) {
        perror("sg_simple16: Inquiry SG_IO ioctl error");
        close(sg_fd);
        return 1;
    }

/* now for the error processing */
    ok = 0;
    switch (sg_err_category3(&io_hdr)) {
    case SG_LIB_CAT_CLEAN:
        ok = 1;
        break;
    case SG_LIB_CAT_RECOVERED:
        printf("Recovered error on READ_16, continuing\n");
        ok = 1;
        break;
    default: /* won't bother decoding other categories */
        sg_chk_n_print3("READ_16 command error", &io_hdr, 1);
        break;
    }

if (ok) { /* output result if it is available */
        printf("READ_16 duration=%u millisecs, resid=%d, msg_status=%d\n",
               io_hdr.duration, io_hdr.resid, (int)io_hdr.msg_status);
    }

close(sg_fd);
    return 0;
}

${this.title}

Code Editor : sg_simple16.c