Exemplo n.º 1
0
/* Invokes a SCSI READ BUFFER(10) command (spc5r02).  Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
static int
sg_ll_read_buffer_10(int sg_fd, int rb_mode, int rb_mode_sp, int rb_id,
                     uint32_t rb_offset, void * resp, int mx_resp_len,
                     int * residp, bool noisy, int verbose)
{
    int k, ret, res, sense_cat;
    uint8_t rb10_cb[SG_READ_BUFFER_10_CMDLEN] =
          {SG_READ_BUFFER_10_CMD, 0, 0, 0,  0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    rb10_cb[1] = (uint8_t)(rb_mode & 0x1f);
    if (rb_mode_sp)
        rb10_cb[1] |= (uint8_t)((rb_mode_sp & 0x7) << 5);
    rb10_cb[2] = (uint8_t)rb_id;
    sg_put_unaligned_be24(rb_offset, rb10_cb + 3);
    sg_put_unaligned_be24(mx_resp_len, rb10_cb + 6);
    if (verbose) {
        pr2serr("    Read buffer(10) cdb: ");
        for (k = 0; k < SG_READ_BUFFER_10_CMDLEN; ++k)
            pr2serr("%02x ", rb10_cb[k]);
        pr2serr("\n");
    }

    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        pr2serr("Read buffer(10): out of memory\n");
        return -1;
    }
    set_scsi_pt_cdb(ptvp, rb10_cb, sizeof(rb10_cb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, (uint8_t *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, "Read buffer(10)", res, mx_resp_len,
                               sense_b, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else {
        if ((verbose > 2) && (ret > 0)) {
            pr2serr("    Read buffer(10): response%s\n",
                    (ret > 256 ? ", first 256 bytes" : ""));
            hex2stderr((const uint8_t *)resp, (ret > 256 ? 256 : ret), -1);
        }
        ret = 0;
    }
    if (residp)
        *residp = get_scsi_pt_resid(ptvp);
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 2
0
/* Yields most of first 36 bytes of a standard INQUIRY (evpd==0) response.
 * Returns 0 when successful, various SG_LIB_CAT_* positive values, negated
 * errno or -1 -> other errors */
int
sg_simple_inquiry(int sg_fd, struct sg_simple_inquiry_resp * inq_data,
                  bool noisy, int verbose)
{
    int ret;
    uint8_t * inq_resp = NULL;
    uint8_t * free_irp = NULL;

    if (inq_data) {
        memset(inq_data, 0, sizeof(* inq_data));
        inq_data->peripheral_qualifier = 0x3;
        inq_data->peripheral_type = 0x1f;
    }
    inq_resp = sg_memalign(SAFE_STD_INQ_RESP_LEN, 0, &free_irp, verbose > 4);
    if (NULL == inq_resp) {
        pr2ws("%s: out of memory\n", __func__);
        return sg_convert_errno(ENOMEM);
    }
    ret = sg_ll_inquiry_v2(sg_fd, false, 0, inq_resp, SAFE_STD_INQ_RESP_LEN,
                           0, NULL, noisy, verbose);

    if (inq_data && (0 == ret)) {
        inq_data->peripheral_qualifier = (inq_resp[0] >> 5) & 0x7;
        inq_data->peripheral_type = inq_resp[0] & 0x1f;
        inq_data->byte_1 = inq_resp[1];
        inq_data->version = inq_resp[2];
        inq_data->byte_3 = inq_resp[3];
        inq_data->byte_5 = inq_resp[5];
        inq_data->byte_6 = inq_resp[6];
        inq_data->byte_7 = inq_resp[7];
        memcpy(inq_data->vendor, inq_resp + 8, 8);
        memcpy(inq_data->product, inq_resp + 16, 16);
        memcpy(inq_data->revision, inq_resp + 32, 4);
    }
Exemplo n.º 3
0
/* Invokes a SCSI LOG SELECT command. Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_log_select(int sg_fd, bool pcr, bool sp, int pc, int pg_code,
                 int subpg_code, uint8_t * paramp, int param_len,
                 bool noisy, int verbose)
{
    static const char * const cdb_s = "log select";
    int res, ret, k, sense_cat;
    uint8_t logs_cdb[LOG_SELECT_CMDLEN] =
        {LOG_SELECT_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (param_len > 0xffff) {
        pr2ws("%s: param_len too big\n", cdb_s);
        return -1;
    }
    logs_cdb[1] = (uint8_t)((pcr ? 2 : 0) | (sp ? 1 : 0));
    logs_cdb[2] = (uint8_t)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
    logs_cdb[3] = (uint8_t)(subpg_code & 0xff);
    sg_put_unaligned_be16((int16_t)param_len, logs_cdb + 7);
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < LOG_SELECT_CMDLEN; ++k)
            pr2ws("%02x ", logs_cdb[k]);
        pr2ws("\n");
    }
    if ((verbose > 1) && (param_len > 0)) {
        pr2ws("    %s parameter list\n", cdb_s);
        hex2stderr(paramp, param_len, -1);
    }

    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        return -1;
    set_scsi_pt_cdb(ptvp, logs_cdb, sizeof(logs_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_out(ptvp, paramp, param_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 4
0
/* Invokes a SCSI MODE SELECT (10) command.  Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors,
 * v2 adds rtd (revert to defaults) bit (spc5r11).  */
int
sg_ll_mode_select10_v2(int sg_fd, bool pf, bool rtd, bool sp, void * paramp,
                       int param_len, bool noisy, int verbose)
{
    static const char * const cdb_s = "mode select(10)";
    int res, ret, k, sense_cat;
    uint8_t modes_cdb[MODE_SELECT10_CMDLEN] =
        {MODE_SELECT10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    modes_cdb[1] = (uint8_t)((pf ? 0x10 : 0x0) | (sp ? 0x1 : 0x0));
    if (rtd)
        modes_cdb[1] |= 0x2;
    sg_put_unaligned_be16((int16_t)param_len, modes_cdb + 7);
    if (param_len > 0xffff) {
        pr2ws("%s: param_len too big\n", cdb_s);
        return -1;
    }
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < MODE_SELECT10_CMDLEN; ++k)
            pr2ws("%02x ", modes_cdb[k]);
        pr2ws("\n");
    }
    if (verbose > 1) {
        pr2ws("    %s parameter list\n", cdb_s);
        hex2stderr((const uint8_t *)paramp, param_len, -1);
    }

    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        return -1;
    set_scsi_pt_cdb(ptvp, modes_cdb, sizeof(modes_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_out(ptvp, (uint8_t *)paramp, param_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 5
0
/* Invokes a SCSI SYNCHRONIZE CACHE (10) command. Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_sync_cache_10(int sg_fd, bool sync_nv, bool immed, int group,
                    unsigned int lba, unsigned int count, bool noisy,
                    int verbose)
{
    static const char * const cdb_s = "synchronize cache(10)";
    int res, ret, k, sense_cat;
    uint8_t sc_cdb[SYNCHRONIZE_CACHE_CMDLEN] =
                {SYNCHRONIZE_CACHE_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (sync_nv)
        sc_cdb[1] |= 4;
    if (immed)
        sc_cdb[1] |= 2;
    sg_put_unaligned_be32((uint32_t)lba, sc_cdb + 2);
    sc_cdb[6] = group & 0x1f;
    if (count > 0xffff) {
        pr2ws("count too big\n");
        return -1;
    }
    sg_put_unaligned_be16((int16_t)count, sc_cdb + 7);

    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < SYNCHRONIZE_CACHE_CMDLEN; ++k)
            pr2ws("%02x ", sc_cdb[k]);
        pr2ws("\n");
    }
    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        return -1;
    set_scsi_pt_cdb(ptvp, sc_cdb, sizeof(sc_cdb));
    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, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 6
0
/* Invokes a SCSI BACKGROUND CONTROL command (SBC-4).  Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
static int
sg_ll_background_control(int sg_fd, unsigned int bo_ctl, unsigned int bo_time,
                         bool noisy, int verbose)
{
    int k, ret, res, sense_cat;
    uint8_t bcCDB[16] = {SG_SERVICE_ACTION_IN_16,
           BACKGROUND_CONTROL_SA, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,
           0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (bo_ctl)
        bcCDB[2] |= (bo_ctl & 0x3) << 6;
    if (bo_time)
        bcCDB[3] = bo_time;
    if (verbose) {
        pr2serr("    %s cdb: ", cmd_name);
        for (k = 0; k < (int)sizeof(bcCDB); ++k)
            pr2serr("%02x ", bcCDB[k]);
        pr2serr("\n");
    }

    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        pr2serr("%s: out of memory\n", cmd_name);
        return -1;
    }
    set_scsi_pt_cdb(ptvp, bcCDB, sizeof(bcCDB));
    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, cmd_name, res, SG_NO_DATA_IN, sense_b,
                               noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 7
0
/* Invokes a SCSI READ CAPACITY (16) command. Returns 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_readcap_16(int sg_fd, bool pmi, uint64_t llba, void * resp,
                 int mx_resp_len, bool noisy, int verbose)
{
    static const char * const cdb_s = "read capacity(16)";
    int k, ret, res, sense_cat;
    uint8_t rc_cdb[SERVICE_ACTION_IN_16_CMDLEN] =
                        {SERVICE_ACTION_IN_16_CMD, READ_CAPACITY_16_SA,
                         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (pmi) { /* lbs only valid when pmi set */
        rc_cdb[14] |= 1;
        sg_put_unaligned_be64(llba, rc_cdb + 2);
    }
    /* Allocation length, no guidance in SBC-2 rev 15b */
    sg_put_unaligned_be32((uint32_t)mx_resp_len, rc_cdb + 10);
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < SERVICE_ACTION_IN_16_CMDLEN; ++k)
            pr2ws("%02x ", rc_cdb[k]);
        pr2ws("\n");
    }
    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        return -1;
    set_scsi_pt_cdb(ptvp, rc_cdb, sizeof(rc_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, (uint8_t *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 8
0
/* Invokes a SCSI INQUIRY command and yields the response. Returns 0 when
 * successful, various SG_LIB_CAT_* positive values, negated errno or
 * -1 -> other errors. The CMDDT field is obsolete in the INQUIRY cdb. */
int
sg_ll_inquiry(int sg_fd, bool cmddt, bool evpd, int pg_op, void * resp,
              int mx_resp_len, bool noisy, int verbose)
{
    int ret;
    struct sg_pt_base * ptvp;

    ptvp = construct_scsi_pt_obj_with_fd(sg_fd, verbose);
    if (NULL == ptvp)
        return sg_convert_errno(ENOMEM);
    ret = sg_ll_inquiry_com(ptvp, cmddt, evpd, pg_op, resp, mx_resp_len,
                            0 /* timeout_sec */, NULL, noisy, verbose);
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 9
0
/* Invokes a SCSI START STOP UNIT command (SBC + MMC).
 * Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors.
 * SBC-3 and MMC partially overlap on the power_condition_modifier(sbc) and
 * format_layer_number(mmc) fields. They also overlap on the noflush(sbc)
 * and fl(mmc) one bit field. This is the cause of the awkardly named
 * pc_mod__fl_num and noflush__fl arguments to this function.
 *  */
int
sg_ll_start_stop_unit_pt(struct sg_pt_base * ptvp, bool immed,
                         int pc_mod__fl_num, int power_cond, bool noflush__fl,
                         bool loej, bool start, bool noisy, int verbose)
{
    static const char * const cdb_s = "start stop unit";
    int k, res, ret, sense_cat;
    uint8_t ssuBlk[START_STOP_CMDLEN] = {START_STOP_CMD, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];

    if (immed)
        ssuBlk[1] = 0x1;
    ssuBlk[3] = pc_mod__fl_num & 0xf;  /* bits 2 and 3 are reserved in MMC */
    ssuBlk[4] = ((power_cond & 0xf) << 4);
    if (noflush__fl)
        ssuBlk[4] |= 0x4;
    if (loej)
        ssuBlk[4] |= 0x2;
    if (start)
        ssuBlk[4] |= 0x1;
    if (verbose) {
        pr2ws("    %s command:", cdb_s);
        for (k = 0; k < (int)sizeof(ssuBlk); ++k)
                pr2ws(" %02x", ssuBlk[k]);
        pr2ws("\n");
    }

    clear_scsi_pt_obj(ptvp);
    set_scsi_pt_cdb(ptvp, ssuBlk, sizeof(ssuBlk));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    res = do_scsi_pt(ptvp, -1, START_PT_TIMEOUT, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
            ret = 0;
    return ret;
}
Exemplo n.º 10
0
int
sg_ll_start_stop_unit(int sg_fd, bool immed, int pc_mod__fl_num,
                      int power_cond, bool noflush__fl, bool loej, bool start,
                      bool noisy, int verbose)
{
    int ret;
    struct sg_pt_base * ptvp;

    ptvp = construct_scsi_pt_obj_with_fd(sg_fd, verbose);
    if (NULL == ptvp)
        return sg_convert_errno(ENOMEM);
    ret = sg_ll_start_stop_unit_pt(ptvp, immed, pc_mod__fl_num, power_cond,
                                   noflush__fl, loej, start, noisy, verbose);
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 11
0
/* Invokes a SCSI INQUIRY command and yields the response. Returns 0 when
 * successful, various SG_LIB_CAT_* positive values or -1 -> other errors.
 * The CMDDT field is obsolete in the INQUIRY cdb (since spc3r16 in 2003) so
 * an argument to set it has been removed (use the REPORT SUPPORTED OPERATION
 * CODES command instead). Adds the ability to set the command abort timeout
 * and the ability to report the residual count. If timeout_secs is zero
 * or less the default command abort timeout (60 seconds) is used.
 * If residp is non-NULL then the residual value is written where residp
 * points. A residual value of 0 implies mx_resp_len bytes have be written
 * where resp points. If the residual value equals mx_resp_len then no
 * bytes have been written. */
int
sg_ll_inquiry_v2(int sg_fd, bool evpd, int pg_op, void * resp,
                 int mx_resp_len, int timeout_secs, int * residp,
                 bool noisy, int verbose)
{
    int ret;
    struct sg_pt_base * ptvp;

    ptvp = construct_scsi_pt_obj_with_fd(sg_fd, verbose);
    if (NULL == ptvp)
        return sg_convert_errno(ENOMEM);
    ret = sg_ll_inquiry_com(ptvp, false, evpd, pg_op, resp, mx_resp_len,
                            timeout_secs, residp, noisy, verbose);
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 12
0
/* Invokes a SCSI PREVENT ALLOW MEDIUM REMOVAL command
 * [was in SPC-3 but displaced from SPC-4 into SBC-3, MMC-5, SSC-3]
 * prevent==0 allows removal, prevent==1 prevents removal ...
 * Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_prevent_allow(int sg_fd, int prevent, bool noisy, int verbose)
{
    static const char * const cdb_s = "prevent allow medium removal";
    int k, res, ret, sense_cat;
    uint8_t p_cdb[PREVENT_ALLOW_CMDLEN] =
                {PREVENT_ALLOW_CMD, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if ((prevent < 0) || (prevent > 3)) {
        pr2ws("prevent argument should be 0, 1, 2 or 3\n");
        return -1;
    }
    p_cdb[4] |= (prevent & 0x3);
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < PREVENT_ALLOW_CMDLEN; ++k)
            pr2ws("%02x ", p_cdb[k]);
        pr2ws("\n");
    }

    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        return -1;
    set_scsi_pt_cdb(ptvp, p_cdb, sizeof(p_cdb));
    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, cdb_s, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else
            ret = 0;
    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 13
0
/* Returns file descriptor ( >= 0) if successfule. Else a negated sg3_utils
 * error code is returned. */
static int
open_if(const char * fn, int got_stdin)
{
    int fd, err;

    if (got_stdin)
        fd = STDIN_FILENO;
    else {
        fd = open(fn, O_RDONLY);
        if (fd < 0) {
            err = errno;
            pr2serr(ME "open error: %s: %s\n", fn, safe_strerror(err));
            return -sg_convert_errno(err);
        }
    }
    if (sg_set_binary_mode(fd) < 0) {
        perror("sg_set_binary_mode");
        return -SG_LIB_FILE_ERROR;
    }
    return fd;
}
Exemplo n.º 14
0
int
main(int argc, char * argv[])
{
    bool do_one_segment = false;
    bool o_readonly = false;
    bool do_raw = false;
    bool verbose_given = false;
    bool version_given = false;
    int k, res, c, rlen;
    int sg_fd = -1;
    int do_hex = 0;
    int maxlen = DEF_REFER_BUFF_LEN;
    int verbose = 0;
    int desc = 0;
    int ret = 0;
    int64_t ll;
    uint64_t lba = 0;
    const char * device_name = NULL;
    const uint8_t * bp;
    uint8_t * referralBuffp = referralBuff;
    uint8_t * free_referralBuffp = NULL;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "hHl:m:rRsvV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'h':
        case '?':
            usage();
            return 0;
        case 'H':
            ++do_hex;
            break;
        case 'l':
            ll = sg_get_llnum(optarg);
            if (-1 == ll) {
                pr2serr("bad argument to '--lba'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            lba = (uint64_t)ll;
            break;
        case 'm':
            maxlen = sg_get_num(optarg);
            if ((maxlen < 0) || (maxlen > MAX_REFER_BUFF_LEN)) {
                pr2serr("argument to '--maxlen' should be %d or less\n",
                        MAX_REFER_BUFF_LEN);
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 's':
            do_one_segment = true;
            break;
        case 'r':
            do_raw = true;
            break;
        case 'R':
            o_readonly = true;
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("No DEVICE argument given\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    if (maxlen > DEF_REFER_BUFF_LEN) {
        referralBuffp = (uint8_t *)sg_memalign(maxlen, 0,
                                               &free_referralBuffp,
                                               verbose > 3);
        if (NULL == referralBuffp) {
            pr2serr("unable to allocate %d bytes on heap\n", maxlen);
            return sg_convert_errno(ENOMEM);
        }
    }
    if (do_raw) {
        if (sg_set_binary_mode(STDOUT_FILENO) < 0) {
            perror("sg_set_binary_mode");
            ret = SG_LIB_FILE_ERROR;
            goto free_buff;
        }
    }

    sg_fd = sg_cmds_open_device(device_name, o_readonly, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr("open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto free_buff;
    }

    res = sg_ll_report_referrals(sg_fd, lba, do_one_segment, referralBuffp,
                                 maxlen, true, verbose);
    ret = res;
    if (0 == res) {
        if (maxlen >= 4)
            /*
             * This is strictly speaking incorrect. However, the
             * spec reserved bytes 0 and 1, so some implementations
             * might want to use them to increase the number of
             * possible user segments.
             * And maybe someone takes a pity and updates the spec ...
             */
            rlen = sg_get_unaligned_be32(referralBuffp + 0) + 4;
        else
            rlen = maxlen;
        k = (rlen > maxlen) ? maxlen : rlen;
        if (do_raw) {
            dStrRaw(referralBuffp, k);
            goto the_end;
        }
        if (do_hex) {
            hex2stdout(referralBuffp, k, 1);
            goto the_end;
        }
        if (maxlen < 4) {
            if (verbose)
                pr2serr("Exiting because allocation length (maxlen)  less "
                        "than 4\n");
            goto the_end;
        }
        if ((verbose > 1) || (verbose && (rlen > maxlen))) {
            pr2serr("response length %d bytes\n", rlen);
            if (rlen > maxlen)
                pr2serr("  ... which is greater than maxlen (allocation "
                        "length %d), truncation\n", maxlen);
        }
        if (rlen > maxlen)
            rlen = maxlen;

        bp = referralBuffp + 4;
        k = 0;
        printf("Report referrals:\n");
        while (k < rlen - 4) {
            printf("  descriptor %d:\n", desc);
            res = decode_referral_desc(bp + k, rlen - 4 - k);
            if (res < 0) {
                pr2serr("bad user data segment referral descriptor\n");
                break;
            }
            k += res;
            desc++;
        }
    } else {
        char b[80];

        sg_get_category_sense_str(res, sizeof(b), b, verbose);
        pr2serr("Report Referrals command failed: %s\n", b);
    }

the_end:
    res = sg_cmds_close_device(sg_fd);
    if (res < 0) {
        pr2serr("close error: %s\n", safe_strerror(-res));
        if (0 == ret)
            ret = sg_convert_errno(-res);
    }
free_buff:
    if (free_referralBuffp)
        free(free_referralBuffp);
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_referrals failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 15
0
/* Invokes a SCSI WRITE AND VERIFY according with CDB. Returns 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors */
static int
run_scsi_transaction(int sg_fd, const uint8_t *cdbp, int cdb_len,
                     uint8_t *dop, int do_len, int timeout,
                     bool noisy, int verbose)
{
    int res, k, sense_cat, ret;
    struct sg_pt_base * ptvp;
    uint8_t sense_b[SENSE_BUFF_LEN];
    char b[32];

    snprintf(b, sizeof(b), "Write and verify(%d)", cdb_len);
    if (verbose) {
       pr2serr("    %s cdb: ", b);
       for (k = 0; k < cdb_len; ++k)
           pr2serr("%02x ", cdbp[k]);
       pr2serr("\n");
       if ((verbose > 2) && dop && do_len) {
            pr2serr("    Data out buffer [%d bytes]:\n", do_len);
            hex2stderr(dop, do_len, -1);
        }
    }
    ptvp = construct_scsi_pt_obj();
    if (NULL == ptvp) {
        pr2serr("%s: out of memory\n", b);
        return -1;
    }
    set_scsi_pt_cdb(ptvp, cdbp, cdb_len);
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_out(ptvp, dop, do_len);
    res = do_scsi_pt(ptvp, sg_fd, timeout, verbose);
    ret = sg_cmds_process_resp(ptvp, b, res, noisy, verbose, &sense_cat);
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        case SG_LIB_CAT_MEDIUM_HARD:    /* write or verify failed */
            {
                bool valid;
                int slen;
                uint64_t ull = 0;

                slen = get_scsi_pt_sense_len(ptvp);
                valid = sg_get_sense_info_fld(sense_b, slen, &ull);
                if (valid)
                    pr2serr("Medium or hardware error starting at lba=%"
                            PRIu64 " [0x%" PRIx64 "]\n", ull, ull);
            }
            ret = sense_cat;
            break;
        case SG_LIB_CAT_PROTECTION:     /* PI failure */
        case SG_LIB_CAT_MISCOMPARE:     /* only in bytchk=1 case */
        default:
            ret = sense_cat;
            break;
        }
    } else
        ret = 0;

    destruct_scsi_pt_obj(ptvp);
    return ret;
}
Exemplo n.º 16
0
int
main(int argc, char * argv[])
{
    bool start_tm_valid = false;
    int k, res, progress, pr, rem, num_done;
    int err = 0;
    int ret = 0;
    int sg_fd = -1;
    int64_t elapsed_usecs = 0;
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
    struct timespec start_tm, end_tm;
#elif defined(HAVE_GETTIMEOFDAY)
    struct timeval start_tm, end_tm;
#endif
    struct loop_res_t loop_res;
    struct loop_res_t * resp = &loop_res;
    struct sg_pt_base * ptvp = NULL;
    struct opts_t opts;
    struct opts_t * op = &opts;


    memset(op, 0, sizeof(opts));
    memset(resp, 0, sizeof(loop_res));
    op->do_number = 1;
    res = parse_cmd_line(op, argc, argv);
    if (res)
        return res;
    if (op->do_help) {
        usage_for(op);
        return 0;
    }
#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (op->verbose_given && op->version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        op->verbose_given = false;
        op->version_given = false;
        op->verbose = 0;
    } else if (! op->verbose_given) {
        pr2serr("set '-vv'\n");
        op->verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", op->verbose);
#else
    if (op->verbose_given && op->version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (op->version_given) {
        pr2serr("Version string: %s\n", version_str);
        return 0;
    }

    if (NULL == op->device_name) {
        pr2serr("No DEVICE argument given\n");
        usage_for(op);
        return SG_LIB_SYNTAX_ERROR;
    }

    if ((sg_fd = sg_cmds_open_device(op->device_name, true /* ro */,
                                     op->verbose)) < 0) {
        pr2serr("%s: error opening file: %s: %s\n", __func__,
                op->device_name, safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }
    ptvp = construct_scsi_pt_obj_with_fd(sg_fd, op->verbose);
    if ((NULL == ptvp) || ((err = get_scsi_pt_os_err(ptvp)))) {
        pr2serr("%s: unable to construct pt object\n", __func__);
        ret = sg_convert_errno(err ? err : ENOMEM);
        goto fini;
    }
    if (op->do_progress) {
        for (k = 0; k < op->do_number; ++k) {
            if (k > 0)
                sleep_for(30);
            progress = -1;
            res = sg_ll_test_unit_ready_progress_pt(ptvp, k, &progress,
                             (1 == op->do_number), op->verbose);
            if (progress < 0) {
                ret = res;
                break;
            } else {
                pr = (progress * 100) / 65536;
                rem = ((progress * 100) % 65536) / 656;
                printf("Progress indication: %d.%02d%% done\n", pr, rem);
            }
        }
        if (op->do_number > 1)
            printf("Completed %d Test Unit Ready commands\n",
                   ((k < op->do_number) ? k + 1 : k));
    } else {            /* --progress not given */
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
        if (op->do_time) {
            start_tm.tv_sec = 0;
            start_tm.tv_nsec = 0;
            if (0 == clock_gettime(CLOCK_MONOTONIC, &start_tm))
                start_tm_valid = true;
            else
                perror("clock_gettime(CLOCK_MONOTONIC)\n");
        }
#elif defined(HAVE_GETTIMEOFDAY)
        if (op->do_time) {
            start_tm.tv_sec = 0;
            start_tm.tv_usec = 0;
            gettimeofday(&start_tm, NULL);
            start_tm_valid = true;
        }
#else
        start_tm_valid = false;
#endif

        num_done = loop_turs(ptvp, resp, op);

        if (op->do_time && start_tm_valid) {
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
            if (start_tm.tv_sec || start_tm.tv_nsec) {

                res = clock_gettime(CLOCK_MONOTONIC, &end_tm);
                if (res < 0) {
                    err = errno;
                    perror("clock_gettime");
                    if (EINVAL == err)
                        pr2serr("clock_gettime(CLOCK_MONOTONIC) not "
                                "supported\n");
                }
                elapsed_usecs = (end_tm.tv_sec - start_tm.tv_sec) * 1000000;
                /* Note: (end_tm.tv_nsec - start_tm.tv_nsec) may be negative */
                elapsed_usecs += (end_tm.tv_nsec - start_tm.tv_nsec) / 1000;
            }
#elif defined(HAVE_GETTIMEOFDAY)
            if (start_tm.tv_sec || start_tm.tv_usec) {
                gettimeofday(&end_tm, NULL);
                elapsed_usecs = (end_tm.tv_sec - start_tm.tv_sec) * 1000000;
                elapsed_usecs += (end_tm.tv_usec - start_tm.tv_usec);
            }
#endif
            if (elapsed_usecs > 0) {
                int64_t nom = num_done;

                printf("time to perform commands was %u.%06u secs",
                       (unsigned)(elapsed_usecs / 1000000),
                       (unsigned)(elapsed_usecs % 1000000));
                nom *= 1000000; /* scale for integer division */
                printf("; %d operations/sec\n", (int)(nom / elapsed_usecs));
            } else
                printf("Recorded 0 or less elapsed microseconds ??\n");
        }
        if (((op->do_number > 1) || (resp->num_errs > 0)) &&
            (! resp->reported))
            printf("Completed %d Test Unit Ready commands with %d errors\n",
                   op->do_number, resp->num_errs);
        if (1 == op->do_number)
            ret = resp->ret;
    }
fini:
    if (ptvp)
        destruct_scsi_pt_obj(ptvp);
    if (sg_fd >= 0)
        sg_cmds_close_device(sg_fd);
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 17
0
/* Returns number of TURs performed */
static int
loop_turs(struct sg_pt_base * ptvp, struct loop_res_t * resp,
          struct opts_t * op)
{
    int k, res;
    int vb = op->verbose;
    char b[80];

    if (op->do_low) {
        int rs, n, sense_cat;
        uint8_t cdb[6];
        uint8_t sense_b[32];

        for (k = 0; k < op->do_number; ++k) {
            /* Might get Unit Attention on first invocation */
            memset(cdb, 0, sizeof(cdb));    /* TUR's cdb is 6 zeros */
            set_scsi_pt_cdb(ptvp, cdb, sizeof(cdb));
            set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
            rs = do_scsi_pt(ptvp, -1, DEF_PT_TIMEOUT, vb);
            n = sg_cmds_process_resp(ptvp, "Test unit ready", rs, (0 == k),
                                     vb, &sense_cat);
            if (-1 == n) {
                resp->ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
                return k;
            } else if (-2 == n) {
                switch (sense_cat) {
                case SG_LIB_CAT_RECOVERED:
                case SG_LIB_CAT_NO_SENSE:
                    break;
                case SG_LIB_CAT_NOT_READY:
                    ++resp->num_errs;
                    if (1 ==  op->do_number) {
                        resp->ret = sense_cat;
                        printf("device not ready\n");
                        resp->reported = true;
                    }
                    break;
                case SG_LIB_CAT_UNIT_ATTENTION:
                    ++resp->num_errs;
                    if (vb) {
                        pr2serr("Ignoring Unit attention (sense key)\n");
                        resp->reported = true;
                    }
                    break;
                default:
                    ++resp->num_errs;
                    if (1 == op->do_number) {
                        resp->ret = sense_cat;
                        sg_get_category_sense_str(sense_cat, sizeof(b), b, vb);
                        printf("%s\n", b);
                        resp->reported = true;
                        return k;
                    }
                    break;
                }
            }
            clear_scsi_pt_obj(ptvp);
        }
        return k;
    } else {
        for (k = 0; k < op->do_number; ++k) {
            /* Might get Unit Attention on first invocation */
            res = sg_ll_test_unit_ready_pt(ptvp, k, (0 == k), vb);
            if (res) {
                ++resp->num_errs;
                resp->ret = res;
                if (1 == op->do_number) {
                    if (SG_LIB_CAT_NOT_READY == res)
                        printf("device not ready\n");
                    else {
                        sg_get_category_sense_str(res, sizeof(b), b, vb);
                        printf("%s\n", b);
                    }
                    resp->reported = true;
                    break;
                }
            }
        }
        return k;
    }
}
Exemplo n.º 18
0
int
main(int argc, char * argv[])
{
    bool do_16 = false;
    bool dpo = false;
    bool first_time;
    bool given_do_16 = false;
    bool has_filename = false;
    bool lba_given = false;
    bool repeat = false;
    bool verbose_given = false;
    bool version_given = false;
    int sg_fd, res, c, n;
    int bytchk = 0;
    int group = 0;
    int ilen = -1;
    int ifd = -1;
    int b_p_lb = 512;
    int ret = 1;
    int timeout = DEF_TIMEOUT_SECS;
    int tnum_lb_wr = 0;
    int verbose = 0;
    int wrprotect = 0;
    uint32_t num_lb = 1;
    uint32_t snum_lb = 1;
    uint64_t llba = 0;
    int64_t ll;
    uint8_t * wvb = NULL;
    uint8_t * wrkBuff = NULL;
    uint8_t * free_wrkBuff = NULL;
    const char * device_name = NULL;
    const char * ifnp;
    char cmd_name[32];

    ifnp = "";          /* keep MinGW quiet */
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "b:dg:hi:I:l:n:RSt:w:vV", long_options,
                       &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'b':
            /* Only bytchk=0 and =1 are meaningful for this command in
             * sbc4r02 (not =2 nor =3) but that may change in the future. */
            bytchk = sg_get_num(optarg);
            if ((bytchk < 0) || (bytchk > 3))  {
                pr2serr("argument to '--bytchk' expected to be 0 to 3\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'd':
            dpo = true;
            break;
        case 'g':
            group = sg_get_num(optarg);
            if ((group < 0) || (group > 63))  {
                pr2serr("argument to '--group' expected to be 0 to 63\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'h':
        case '?':
            usage();
            return 0;
        case 'i':
            ifnp = optarg;
            has_filename = true;
            break;
        case 'I':
            ilen = sg_get_num(optarg);
            if (-1 == ilen) {
                pr2serr("bad argument to '--ilen'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'l':
            if (lba_given) {
                pr2serr("must have one and only one '--lba'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            ll = sg_get_llnum(optarg);
            if (ll < 0) {
                pr2serr("bad argument to '--lba'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            llba = (uint64_t)ll;
            lba_given = true;
            break;
        case 'n':
            n = sg_get_num(optarg);
            if (-1 == n) {
                pr2serr("bad argument to '--num'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            num_lb = (uint32_t)n;
            break;
        case 'R':
            repeat = true;
            break;
        case 'S':
            do_16 = true;
            given_do_16 = true;
            break;
        case 't':
            timeout = sg_get_num(optarg);
            if (timeout < 1) {
                pr2serr("bad argument to '--timeout'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        case 'w':
            wrprotect = sg_get_num(optarg);
            if ((wrprotect < 0) || (wrprotect > 7))  {
                pr2serr("wrprotect (%d) is out of range ( < %d)\n", wrprotect,
                        7);
                return SG_LIB_SYNTAX_ERROR;
            }

            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
       }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr(ME "version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    if (! lba_given) {
        pr2serr("need a --lba=LBA option\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    if (repeat) {
        if (! has_filename) {
            pr2serr("with '--repeat' need '--in=IF' option\n");
            usage();
            return SG_LIB_CONTRADICT;
        }
        if (ilen < 1) {
            pr2serr("with '--repeat' need '--ilen=ILEN' option\n");
            usage();
            return SG_LIB_CONTRADICT;
        } else {
            b_p_lb = ilen / num_lb;
            if (b_p_lb < 64) {
                pr2serr("calculated %d bytes per logical block, too small\n",
                        b_p_lb);
                usage();
                return SG_LIB_SYNTAX_ERROR;
            }
        }
    }

    sg_fd = sg_cmds_open_device(device_name, false /* rw */, verbose);
    if (sg_fd < 0) {
        ret = sg_convert_errno(-sg_fd);
        pr2serr(ME "open error: %s: %s\n", device_name, safe_strerror(-sg_fd));
        goto err_out;
    }

    if ((! do_16) && (llba > UINT_MAX))
        do_16 = true;
    if ((! do_16) && (num_lb > 0xffff))
        do_16 = true;
    snprintf(cmd_name, sizeof(cmd_name), "Write and verify(%d)",
             (do_16 ? 16 : 10));
    if (verbose && (! given_do_16) && do_16)
        pr2serr("Switching to %s because LBA or NUM too large\n", cmd_name);
    if (verbose) {
        pr2serr("Issue %s to device %s\n\tilen=%d", cmd_name, device_name,
                ilen);
        if (ilen > 0)
            pr2serr(" [0x%x]", ilen);
        pr2serr(", lba=%" PRIu64 " [0x%" PRIx64 "]\n\twrprotect=%d, dpo=%d, "
                "bytchk=%d, group=%d, repeat=%d\n", llba, llba, wrprotect,
                (int)dpo, bytchk, group, (int)repeat);
    }

    first_time = true;
    do {
        if (first_time) {
            //If a file with data to write has been provided
            if (has_filename) {
                struct stat a_stat;

                if ((1 == strlen(ifnp)) && ('-' == ifnp[0])) {
                    ifd = STDIN_FILENO;
                    ifnp = "<stdin>";
                    if (verbose > 1)
                        pr2serr("Reading input data from stdin\n");
                } else {
                    ifd = open_if(ifnp, 0);
                    if (ifd < 0) {
                        ret = -ifd;
                        goto err_out;
                    }
                }
                if (ilen < 1) {
                    if (fstat(ifd, &a_stat) < 0) {
                        pr2serr("Could not fstat(%s)\n", ifnp);
                        goto err_out;
                    }
                    if (! S_ISREG(a_stat.st_mode)) {
                        pr2serr("Cannot determine IF size, please give "
                                "'--ilen='\n");
                        goto err_out;
                    }
                    ilen = (int)a_stat.st_size;
                    if (ilen < 1) {
                        pr2serr("%s file size too small\n", ifnp);
                        goto err_out;
                    } else if (verbose)
                        pr2serr("Using file size of %d bytes\n", ilen);
                }
                if (NULL == (wrkBuff = (uint8_t *)sg_memalign(ilen, 0,
                                           &free_wrkBuff, verbose > 3))) {
                    pr2serr(ME "out of memory\n");
                    ret = sg_convert_errno(ENOMEM);
                    goto err_out;
                }
                wvb = (uint8_t *)wrkBuff;
                res = read(ifd, wvb, ilen);
                if (res < 0) {
                    pr2serr("Could not read from %s", ifnp);
                    goto err_out;
                }
                if (res < ilen) {
                    pr2serr("Read only %d bytes (expected %d) from %s\n", res,
                            ilen, ifnp);
                    if (repeat)
                        pr2serr("Will scale subsequent pieces when "
                                "repeat=true, but this is first\n");
                    goto err_out;
                }
            } else {
                if (ilen < 1) {
                    if (verbose)
                        pr2serr("Default write length to %d*%d=%d bytes\n",
                                num_lb, 512, 512 * num_lb);
                    ilen = 512 * num_lb;
                }
                if (NULL == (wrkBuff = (uint8_t *)sg_memalign(ilen, 0,
                                           &free_wrkBuff, verbose > 3))) {
                    pr2serr(ME "out of memory\n");
                    ret = sg_convert_errno(ENOMEM);
                    goto err_out;
                }
                wvb = (uint8_t *)wrkBuff;
                /* Not sure about this: default contents to 0xff bytes */
                memset(wrkBuff, 0xff, ilen);
            }
            first_time = false;
            snum_lb = num_lb;
        } else {    /* repeat=true, first_time=false, must be reading file */
            llba += snum_lb;
            res = read(ifd, wvb, ilen);
            if (res < 0) {
                pr2serr("Could not read from %s", ifnp);
                goto err_out;
            } else {
                if (verbose > 1)
                pr2serr("Subsequent read from %s got %d bytes\n", ifnp, res);
                if (0 == res)
                    break;
                if (res < ilen) {
                    snum_lb = (uint32_t)(res / b_p_lb);
                    n = res % b_p_lb;
                    if (0 != n)
                        pr2serr(">>> warning: ignoring last %d bytes of %s\n",
                                n, ifnp);
                    if (snum_lb < 1)
                        break;
                }
            }
        }
        if (do_16)
            res = sg_ll_write_verify16(sg_fd, wrprotect, dpo, bytchk, llba,
                                       snum_lb, group, wvb, ilen, timeout,
                                       verbose > 0, verbose);
        else
            res = sg_ll_write_verify10(sg_fd, wrprotect, dpo, bytchk,
                                       (unsigned int)llba, snum_lb, group,
                                       wvb, ilen, timeout, verbose > 0,
                                       verbose);
        ret = res;
        if (repeat && (0 == ret))
            tnum_lb_wr += snum_lb;
        if (ret || (snum_lb != num_lb))
            break;
    } while (repeat);

err_out:
    if (repeat)
        pr2serr("%d [0x%x] logical blocks written, in total\n", tnum_lb_wr,
                tnum_lb_wr);
    if (free_wrkBuff)
        free(free_wrkBuff);
    if ((ifd >= 0) && (STDIN_FILENO != ifd))
        close(ifd);
    res = sg_cmds_close_device(sg_fd);
    if (res < 0) {
        pr2serr("close error: %s\n", safe_strerror(-res));
        if (0 == ret)
            ret = sg_convert_errno(-res);
    }
    if (ret && (0 == verbose)) {
        if (! sg_if_can2stderr("sg_write_verify failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 19
0
int main (int argc, char * argv[])
{
        bool verbose_given = true;
        bool version_given = true;
        int sg_fd, res;
        const char * device_name = NULL;
        int times = 1;
        int ret = 0;
        int k = 0;
        int err;

        while (1) {
                int option_index = 0;
                int c;

                c = getopt_long(argc, argv, "hqr:s:t:w:vV",
                                long_options, &option_index);
                if (c == -1)
                        break;

                switch (c) {
                case 'h':
                        usage();
                        return 0;
                case 'q':
                        do_quick = true;
                        break;
                case 'r':
                        addread = sg_get_num(optarg);
                        if (-1 == addread) {
                                pr2serr("bad argument to '--addrd'\n");
                                return SG_LIB_SYNTAX_ERROR;
                        }
                        break;
                case 's':
                        size = sg_get_num(optarg);
                        if (-1 == size) {
                                pr2serr("bad argument to '--size'\n");
                                return SG_LIB_SYNTAX_ERROR;
                        }
                        break;
                case 't':
                        times = sg_get_num(optarg);
                        if (-1 == times) {
                                pr2serr("bad argument to '--times'\n");
                                return SG_LIB_SYNTAX_ERROR;
                        }
                        break;
                case 'v':
                        verbose_given = true;
                        verbose++;
                        break;
                case 'V':
                        version_given = true;
                        break;
                case 'w':
                        addwrite = sg_get_num(optarg);
                        if (-1 == addwrite) {
                                pr2serr("bad argument to '--addwr'\n");
                                return SG_LIB_SYNTAX_ERROR;
                        }
                        break;
                default:
                        usage();
                        return SG_LIB_SYNTAX_ERROR;
                }
        }
        if (optind < argc) {
                if (NULL == device_name) {
                        device_name = argv[optind];
                        ++optind;
                }
        }
        if (optind < argc) {
                if (-1 == size) {
                        size = sg_get_num(argv[optind]);
                        if (-1 == size) {
                                pr2serr("bad <sz>\n");
                                usage();
                                return SG_LIB_SYNTAX_ERROR;
                        }
                        if (++optind < argc) {
                                addwrite = sg_get_num(argv[optind]);
                                if (-1 == addwrite) {
                                        pr2serr("bad [addwr]\n");
                                        usage();
                                        return SG_LIB_SYNTAX_ERROR;
                                }
                                if (++optind < argc) {
                                        addread = sg_get_num(argv[optind]);
                                        if (-1 == addread) {
                                                pr2serr("bad [addrd]\n");
                                                usage();
                                                return SG_LIB_SYNTAX_ERROR;
                                        }
                                }
                        }

                }
                if (optind < argc) {
                        for (; optind < argc; ++optind)
                                pr2serr("Unexpected extra argument" ": %s\n",
                                        argv[optind]);
                        usage();
                        return SG_LIB_SYNTAX_ERROR;
                }
        }

#ifdef DEBUG
        pr2serr("In DEBUG mode, ");
        if (verbose_given && version_given) {
                pr2serr("but override: '-vV' given, zero verbose and "
                        "continue\n");
                verbose_given = false;
                version_given = false;
                verbose = 0;
        } else if (! verbose_given) {
                pr2serr("set '-vv'\n");
                verbose = 2;
        } else
                pr2serr("keep verbose=%d\n", verbose);
#else
        if (verbose_given && version_given)
                pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
        if (version_given) {
                pr2serr(ME "version: %s\n", version_str);
                return 0;
        }

        if (NULL == device_name) {
                pr2serr("no device name given\n");
                usage();
                return SG_LIB_SYNTAX_ERROR;
        }
        if ((size <= 0) && (! do_quick)) {
                pr2serr("must give '--size' or '--quick' options or <sz> "
                        "argument\n");
                usage();
                return SG_LIB_SYNTAX_ERROR;
        }

        sg_fd = open(device_name, O_RDWR | O_NONBLOCK);
        if (sg_fd < 0) {
                err = errno;
                perror("sg_test_rwbuf: open error");
                return sg_convert_errno(err);
        }
        ret = find_out_about_buffer(sg_fd);
        if (ret)
                goto err_out;
        if (do_quick) {
                printf ("READ BUFFER read descriptor reports a buffer "
                        "of %d bytes [%d KiB]\n", buf_capacity,
                        buf_capacity / 1024);
                goto err_out;
        }
        if (size > buf_capacity) {
                pr2serr (ME "sz=%i > buf_capacity=%i\n", size, buf_capacity);
                ret = SG_LIB_CAT_OTHER;
                goto err_out;
        }

        cmpbuf = (uint8_t *)sg_memalign(size, 0, &free_cmpbuf, false);
        for (k = 0; k < times; ++k) {
                ret = write_buffer (sg_fd, size);
                if (ret) {
                        goto err_out;
                }
                ret = read_buffer (sg_fd, size);
                if (ret) {
                        if (2222 == ret)
                                ret = SG_LIB_CAT_MALFORMED;
                        goto err_out;
                }
        }

err_out:
        if (free_cmpbuf)
                free(free_cmpbuf);
        res = close(sg_fd);
        if (res < 0) {
                perror(ME "close error");
                if (0 == ret)
                        ret = sg_convert_errno(errno);
        }
        if ((0 == ret) && (! do_quick))
                printf ("Success\n");
        else if (times > 1)
                printf ("Failed after %d successful cycles\n", k);
        return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 20
0
/* Returns 0 on success, while positive values are SG_LIB_CAT_* errors
 * (e.g. SG_LIB_CAT_MALFORMED). If OS error, returns negated errno or -1. */
static int
sg_ll_inquiry_com(struct sg_pt_base * ptvp, bool cmddt, bool evpd, int pg_op,
                  void * resp, int mx_resp_len, int timeout_secs,
                  int * residp, bool noisy, int verbose)
{
    int res, ret, k, sense_cat, resid;
    uint8_t inq_cdb[INQUIRY_CMDLEN] = {INQUIRY_CMD, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    uint8_t * up;

    if (cmddt)
        inq_cdb[1] |= 0x2;
    if (evpd)
        inq_cdb[1] |= 0x1;
    inq_cdb[2] = (uint8_t)pg_op;
    /* 16 bit allocation length (was 8, increased in spc3r09, 200209) */
    sg_put_unaligned_be16((uint16_t)mx_resp_len, inq_cdb + 3);
    if (verbose) {
        pr2ws("    %s cdb: ", inquiry_s);
        for (k = 0; k < INQUIRY_CMDLEN; ++k)
            pr2ws("%02x ", inq_cdb[k]);
        pr2ws("\n");
    }
    if (resp && (mx_resp_len > 0)) {
        up = (uint8_t *)resp;
        up[0] = 0x7f;   /* defensive prefill */
        if (mx_resp_len > 4)
            up[4] = 0;
    }
    if (timeout_secs <= 0)
        timeout_secs = DEF_PT_TIMEOUT;
    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, (uint8_t *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, -1, timeout_secs, verbose);
    ret = sg_cmds_process_resp(ptvp, inquiry_s, res, mx_resp_len, sense_b,
                               noisy, verbose, &sense_cat);
    resid = get_scsi_pt_resid(ptvp);
    if (residp)
        *residp = resid;
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else if (ret < 4) {
        if (verbose)
            pr2ws("%s: got too few bytes (%d)\n", __func__, ret);
        ret = SG_LIB_CAT_MALFORMED;
    } else
        ret = 0;

    if (resid > 0) {
        if (resid > mx_resp_len) {
            pr2ws("%s resid (%d) should never exceed requested "
                    "len=%d\n", inquiry_s, resid, mx_resp_len);
            return ret ? ret : SG_LIB_CAT_MALFORMED;
        }
        /* zero unfilled section of response buffer, based on resid */
        memset((uint8_t *)resp + (mx_resp_len - resid), 0, resid);
    }
    return ret;
}
Exemplo n.º 21
0
static int
prin_work(int sg_fd, const struct opts_t * op)
{
    int k, j, num, add_len, add_desc_len;
    int res = 0;
    unsigned int pr_gen;
    uint8_t * bp;
    uint8_t * pr_buff = NULL;
    uint8_t * free_pr_buff = NULL;

    pr_buff = sg_memalign(op->alloc_len, 0 /* page aligned */, &free_pr_buff,
                          false);
    if (NULL == pr_buff) {
        pr2serr("%s: unable to allocate %d bytes on heap\n", __func__,
                op->alloc_len);
        return sg_convert_errno(ENOMEM);
    }
    res = sg_ll_persistent_reserve_in(sg_fd, op->prin_sa, pr_buff,
                                      op->alloc_len, true, op->verbose);
    if (res) {
        char b[64];
        char bb[80];

        if (op->prin_sa < num_prin_sa_strs)
            snprintf(b, sizeof(b), "%s", prin_sa_strs[op->prin_sa]);
        else
            snprintf(b, sizeof(b), "service action=0x%x", op->prin_sa);

        if (SG_LIB_CAT_INVALID_OP == res)
            pr2serr("PR in (%s): command not supported\n", b);
        else if (SG_LIB_CAT_ILLEGAL_REQ == res)
            pr2serr("PR in (%s): bad field in cdb or parameter list (perhaps "
                    "unsupported service action)\n", b);
        else {
            sg_get_category_sense_str(res, sizeof(bb), bb, op->verbose);
            pr2serr("PR in (%s): %s\n", b, bb);
        }
        goto fini;
    }
    if (PRIN_RCAP_SA == op->prin_sa) {
        if (8 != pr_buff[1]) {
            pr2serr("Unexpected response for PRIN Report Capabilities\n");
            if (op->hex)
                hex2stdout(pr_buff, pr_buff[1], 1);
            res = SG_LIB_CAT_MALFORMED;
            goto fini;
        }
        if (op->hex)
            hex2stdout(pr_buff, 8, 1);
        else {
            printf("Report capabilities response:\n");
            printf("  Replace Lost Reservation Capable(RLR_C): %d\n",
                   !!(pr_buff[2] & 0x80));      /* added spc4r26 */
            printf("  Compatible Reservation Handling(CRH): %d\n",
                   !!(pr_buff[2] & 0x10));
            printf("  Specify Initiator Ports Capable(SIP_C): %d\n",
                   !!(pr_buff[2] & 0x8));
            printf("  All Target Ports Capable(ATP_C): %d\n",
                   !!(pr_buff[2] & 0x4));
            printf("  Persist Through Power Loss Capable(PTPL_C): %d\n",
                   !!(pr_buff[2] & 0x1));
            printf("  Type Mask Valid(TMV): %d\n", !!(pr_buff[3] & 0x80));
            printf("  Allow Commands: %d\n", (pr_buff[3] >> 4) & 0x7);
            printf("  Persist Through Power Loss Active(PTPL_A): %d\n",
                   !!(pr_buff[3] & 0x1));
            if (pr_buff[3] & 0x80) {
                printf("    Support indicated in Type mask:\n");
                printf("      %s: %d\n", pr_type_strs[7],
                       !!(pr_buff[4] & 0x80));  /* WR_EX_AR */
                printf("      %s: %d\n", pr_type_strs[6],
                       !!(pr_buff[4] & 0x40));  /* EX_AC_RO */
                printf("      %s: %d\n", pr_type_strs[5],
                       !!(pr_buff[4] & 0x20));  /* WR_EX_RO */
                printf("      %s: %d\n", pr_type_strs[3],
                       !!(pr_buff[4] & 0x8));   /* EX_AC */
                printf("      %s: %d\n", pr_type_strs[1],
                       !!(pr_buff[4] & 0x2));   /* WR_EX */
                printf("      %s: %d\n", pr_type_strs[8],
                       !!(pr_buff[5] & 0x1));   /* EX_AC_AR */
            }
        }
    } else {
Exemplo n.º 22
0
int
main(int argc, char * argv[])
{
    bool last, got_stdin, is_reg;
    bool want_file = false;
    bool verbose_given = false;
    bool version_given = false;
    int res, c, len, k, n, rsp_len, resid, act_len, din_len, verb;
    int sg_fd = -1;
    int infd = -1;
    int do_help = 0;
    int ret = 0;
    uint32_t gen_code = 0;
    const char * device_name = NULL;
    const char * file_name = NULL;
    uint8_t * dmp = NULL;
    uint8_t * dip = NULL;
    uint8_t * free_dip = NULL;
    char * cp;
    char ebuff[EBUFF_SZ];
    struct stat a_stat;
    struct dout_buff_t dout;
    struct opts_t opts;
    struct opts_t * op;
    const struct mode_s * mp;

    op = &opts;
    memset(op, 0, sizeof(opts));
    memset(&dout, 0, sizeof(dout));
    din_len = DEF_DIN_LEN;
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "b:dehi:I:l:m:No:s:S:t:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'b':
            op->bpw = sg_get_num(optarg);
            if (op->bpw < 0) {
                pr2serr("argument to '--bpw' should be in a positive "
                        "number\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if ((cp = strchr(optarg, ','))) {
                if (0 == strncmp("act", cp + 1, 3))
                    op->bpw_then_activate = true;
            }
            break;
        case 'd':
            op->dry_run = true;
            break;
        case 'e':
            op->ealsd = true;
            break;
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'i':
            op->mc_id = sg_get_num_nomult(optarg);
            if ((op->mc_id < 0) || (op->mc_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'I':
            file_name = optarg;
            break;
        case 'l':
            op->mc_len = sg_get_num(optarg);
            if (op->mc_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             op->mc_len_given = true;
             break;
        case 'm':
            if (isdigit(*optarg)) {
                op->mc_mode = sg_get_num_nomult(optarg);
                if ((op->mc_mode < 0) || (op->mc_mode > 255)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 255\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = mode_arr; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        op->mc_mode = mp->mode;
                        break;
                    }
                }
                if (! mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'N':
            op->mc_non = true;
            break;
        case 'o':
           op->mc_offset = sg_get_num(optarg);
           if (op->mc_offset < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            if (0 != (op->mc_offset % 4)) {
                pr2serr("'--offset' value needs to be a multiple of 4\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 's':
           op->mc_skip = sg_get_num(optarg);
           if (op->mc_skip < 0) {
                pr2serr("bad argument to '--skip'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'S':
           op->mc_subenc = sg_get_num_nomult(optarg);
           if ((op->mc_subenc < 0) || (op->mc_subenc > 255)) {
                pr2serr("expected argument to '--subenc' to be 0 to 255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 't':
           op->mc_tlen = sg_get_num(optarg);
           if (op->mc_tlen < 0) {
                pr2serr("bad argument to '--tlength'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++op->verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        op->verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        op->verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", op->verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr(ME "version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    switch (op->mc_mode) {
    case MODE_DNLD_MC_OFFS:
    case MODE_DNLD_MC_OFFS_SAVE:
    case MODE_DNLD_MC_OFFS_DEFER:
        want_file = true;
        break;
    case MODE_DNLD_STATUS:
    case MODE_ACTIVATE_MC:
    case MODE_ABORT_MC:
        want_file = false;
        break;
    default:
        pr2serr("%s: mc_mode=0x%x, continue for now\n", __func__,
                op->mc_mode);
        break;
    }

    if ((op->mc_len > 0) && (op->bpw > op->mc_len)) {
        pr2serr("trim chunk size (CS) to be the same as LEN\n");
        op->bpw = op->mc_len;
    }
    if ((op->mc_offset > 0) && (op->bpw > 0)) {
        op->mc_offset = 0;
        pr2serr("WARNING: --offset= ignored (set back to 0) when --bpw= "
                "argument given (and > 0)\n");
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (op->verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, false /* rw */, op->verbose);
    if (sg_fd < 0) {
        if (op->verbose)
            pr2serr(ME "open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    if (file_name && (! want_file))
        pr2serr("ignoring --in=FILE option\n");
    else if (file_name) {
        got_stdin = (0 == strcmp(file_name, "-"));
        if (got_stdin)
            infd = STDIN_FILENO;
        else {
            if ((infd = open(file_name, O_RDONLY)) < 0) {
                ret = sg_convert_errno(errno);
                snprintf(ebuff, EBUFF_SZ,
                         ME "could not open %s for reading", file_name);
                perror(ebuff);
                goto fini;
            } else if (sg_set_binary_mode(infd) < 0)
                perror("sg_set_binary_mode");
        }
        if ((0 == fstat(infd, &a_stat)) && S_ISREG(a_stat.st_mode)) {
            is_reg = true;
            if (0 == op->mc_len) {
                if (op->mc_skip >= a_stat.st_size) {
                    pr2serr("skip exceeds file size of %d bytes\n",
                            (int)a_stat.st_size);
                    ret = SG_LIB_FILE_ERROR;
                    goto fini;
                }
                op->mc_len = (int)(a_stat.st_size) - op->mc_skip;
            }
        } else {
            is_reg = false;
            if (0 == op->mc_len)
                op->mc_len = DEF_XFER_LEN;
        }
        if (op->mc_len > MAX_XFER_LEN) {
            pr2serr("file size or requested length (%d) exceeds "
                    "MAX_XFER_LEN of %d bytes\n", op->mc_len,
                    MAX_XFER_LEN);
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
        if (NULL == (dmp = (uint8_t *)malloc(op->mc_len))) {
            pr2serr(ME "out of memory to hold microcode read from FILE\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
        /* Don't remember why this is preset to 0xff, from write_buffer */
        memset(dmp, 0xff, op->mc_len);
        if (op->mc_skip > 0) {
            if (! is_reg) {
                if (got_stdin)
                    pr2serr("Can't skip on stdin\n");
                else
                    pr2serr(ME "not a 'regular' file so can't apply skip\n");
                ret = SG_LIB_FILE_ERROR;
                goto fini;
            }
            if (lseek(infd, op->mc_skip, SEEK_SET) < 0) {
                ret = sg_convert_errno(errno);
                snprintf(ebuff,  EBUFF_SZ, ME "couldn't skip to "
                         "required position on %s", file_name);
                perror(ebuff);
                goto fini;
            }
        }
        res = read(infd, dmp, op->mc_len);
        if (res < 0) {
            ret = sg_convert_errno(errno);
            snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s",
                     file_name);
            perror(ebuff);
            goto fini;
        }
        if (res < op->mc_len) {
            if (op->mc_len_given) {
                pr2serr("tried to read %d bytes from %s, got %d bytes\n",
                        op->mc_len, file_name, res);
                pr2serr("pad with 0xff bytes and continue\n");
            } else {
                if (op->verbose) {
                    pr2serr("tried to read %d bytes from %s, got %d "
                            "bytes\n", op->mc_len, file_name, res);
                    pr2serr("will send %d bytes", res);
                    if ((op->bpw > 0) && (op->bpw < op->mc_len))
                        pr2serr(", %d bytes per WRITE BUFFER command\n",
                                op->bpw);
                    else
                        pr2serr("\n");
                }
                op->mc_len = res;
            }
        }
        if (! got_stdin)
            close(infd);
        infd = -1;
    } else if (want_file) {
        pr2serr("need --in=FILE option with given mode\n");
        ret = SG_LIB_CONTRADICT;
        goto fini;
    }
    if (op->mc_tlen < op->mc_len)
        op->mc_tlen = op->mc_len;
    if (op->mc_non && (MODE_DNLD_STATUS == op->mc_mode)) {
        pr2serr("Do nothing because '--non' given so fetching the Download "
                "microcode status\ndpage might be dangerous\n");
        goto fini;
    }

    dip = sg_memalign(din_len, 0, &free_dip, op->verbose > 3);
    if (NULL == dip) {
        pr2serr(ME "out of memory (data-in buffer)\n");
        ret = SG_LIB_CAT_OTHER;
        goto fini;
    }
    verb = (op->verbose > 1) ? op->verbose - 1 : 0;
    /* Fetch Download microcode status dpage for generation code ++ */
    if (op->dry_run) {
        n = sizeof(dummy_rd_resp);
        n = (n < din_len) ? n : din_len;
        memcpy(dip, dummy_rd_resp, n);
        resid = din_len - n;
        res = 0;
    } else
        res = sg_ll_receive_diag_v2(sg_fd, true /* pcv */,
                                    DPC_DOWNLOAD_MICROCODE, dip, din_len,
                                    0 /*default timeout */, &resid, true,
                                    verb);
    if (0 == res) {
        rsp_len = sg_get_unaligned_be16(dip + 2) + 4;
        act_len = din_len - resid;
        if (rsp_len > din_len) {
            pr2serr("<<< warning response buffer too small [%d but need "
                    "%d]>>>\n", din_len, rsp_len);
            rsp_len = din_len;
        }
        if (rsp_len > act_len) {
            pr2serr("<<< warning response too short [actually got %d but "
                    "need %d]>>>\n", act_len, rsp_len);
            rsp_len = act_len;
        }
        if (rsp_len < 8) {
            pr2serr("Download microcode status dpage too short\n");
            ret = SG_LIB_CAT_OTHER;
            goto fini;
        }
        if ((op->verbose > 2) || (op->dry_run && op->verbose))
            pr2serr("rec diag(ini): rsp_len=%d, num_sub-enc=%u "
                    "rec_gen_code=%u\n", rsp_len, dip[1],
                    sg_get_unaligned_be32(dip + 4));
    } else {
        ret = res;
        goto fini;
    }
    gen_code = sg_get_unaligned_be32(dip + 4);

    if (MODE_DNLD_STATUS == op->mc_mode) {
        show_download_mc_sdg(dip, rsp_len, gen_code);
        goto fini;
    } else if (! want_file) {   /* ACTIVATE and ABORT */
        res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout, dip,
                                din_len, true, op);
        ret = res;
        goto fini;
    }

    res = 0;
    if (op->bpw > 0) {
        for (k = 0, last = false; k < op->mc_len; k += n) {
            n = op->mc_len - k;
            if (n > op->bpw)
                n = op->bpw;
            else
                last = true;
            if (op->verbose)
                pr2serr("bpw loop: mode=0x%x, id=%d, off_off=%d, len=%d, "
                        "last=%d\n", op->mc_mode, op->mc_id, k, n, last);
            res = send_then_receive(sg_fd, gen_code, k, dmp + k, n, &dout,
                                    dip, din_len, last, op);
            if (res)
                break;
        }
        if (op->bpw_then_activate && (0 == res)) {
            op->mc_mode = MODE_ACTIVATE_MC;
            if (op->verbose)
                pr2serr("sending Activate deferred microcode [0xf]\n");
            res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout,
                                    dip, din_len, true, op);
        }
    } else {
        if (op->verbose)
            pr2serr("single: mode=0x%x, id=%d, offset=%d, len=%d\n",
                    op->mc_mode, op->mc_id, op->mc_offset, op->mc_len);
        res = send_then_receive(sg_fd, gen_code, 0, dmp, op->mc_len, &dout,
                                dip, din_len, true, op);
    }
    if (res)
        ret = res;

fini:
    if ((infd >= 0) && (! got_stdin))
        close(infd);
    if (dmp)
        free(dmp);
    if (dout.free_doutp)
        free(dout.free_doutp);
    if (free_dip)
        free(free_dip);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == op->verbose) {
        if (! sg_if_can2stderr("sg_ses_mocrocode failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 23
0
int
main(int argc, char * argv[])
{
    bool do_long = false;
    bool o_readonly = false;
    bool do_raw = false;
    bool verbose_given = false;
    bool version_given = false;
    int res, c, len, k;
    int sg_fd = -1;
    int do_help = 0;
    int do_hex = 0;
    int rb_id = 0;
    int rb_len = 4;
    int rb_mode = 0;
    int rb_mode_sp = 0;
    int resid = 0;
    int verbose = 0;
    int ret = 0;
    int64_t ll;
    uint64_t rb_offset = 0;
    const char * device_name = NULL;
    uint8_t * resp;
    const struct mode_s * mp;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "hHi:l:Lm:o:rRS:vV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'h':
        case '?':
            ++do_help;
            break;
        case 'H':
            ++do_hex;
            break;
        case 'i':
            rb_id = sg_get_num(optarg);
            if ((rb_id < 0) || (rb_id > 255)) {
                pr2serr("argument to '--id' should be in the range 0 to "
                        "255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'l':
            rb_len = sg_get_num(optarg);
            if (rb_len < 0) {
                pr2serr("bad argument to '--length'\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             if (rb_len > 0xffffff) {
                pr2serr("argument to '--length' must be <= 0xffffff\n");
                return SG_LIB_SYNTAX_ERROR;
             }
             break;
        case 'L':
            do_long = true;
            break;
        case 'm':
            if (isdigit(*optarg)) {
                rb_mode = sg_get_num(optarg);
                if ((rb_mode < 0) || (rb_mode > 31)) {
                    pr2serr("argument to '--mode' should be in the range 0 "
                            "to 31\n");
                    return SG_LIB_SYNTAX_ERROR;
                }
            } else {
                len = strlen(optarg);
                for (mp = modes; mp->mode_string; ++mp) {
                    if (0 == strncmp(mp->mode_string, optarg, len)) {
                        rb_mode = mp->mode;
                        break;
                    }
                }
                if (NULL == mp->mode_string) {
                    print_modes();
                    return SG_LIB_SYNTAX_ERROR;
                }
            }
            break;
        case 'o':
           ll = sg_get_llnum(optarg);
           if (ll < 0) {
                pr2serr("bad argument to '--offset'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            rb_offset = ll;
            break;
        case 'r':
            do_raw = true;
            break;
        case 'R':
            o_readonly = true;
            break;
        case 'S':
           rb_mode_sp = sg_get_num(optarg);
           if ((rb_mode_sp < 0) || (rb_mode_sp > 7)) {
                pr2serr("expected argument to '--specific' to be 0 to 7\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (do_help) {
        if (do_help > 1) {
            usage();
            pr2serr("\n");
            print_modes();
        } else
            usage();
        return 0;
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    len = rb_len ? rb_len : 8;
    resp = (uint8_t *)malloc(len);
    if (NULL == resp) {
        pr2serr("unable to allocate %d bytes on the heap\n", len);
        return SG_LIB_CAT_OTHER;
    }
    memset(resp, 0, len);

    if (do_raw) {
        if (sg_set_binary_mode(STDOUT_FILENO) < 0) {
            perror("sg_set_binary_mode");
            ret = SG_LIB_FILE_ERROR;
            goto fini;
        }
    }

#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
    if (verbose > 4)
        pr2serr("Initial win32 SPT interface state: %s\n",
                scsi_pt_win32_spt_state() ? "direct" : "indirect");
    scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif

    sg_fd = sg_cmds_open_device(device_name, o_readonly, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr("open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    if (do_long)
        res = sg_ll_read_buffer_16(sg_fd, rb_mode, rb_mode_sp, rb_id,
                                   rb_offset, resp, rb_len, &resid, true,
                                   verbose);
    else if (rb_offset > 0xffffff) {
        pr2serr("--offset value is too large for READ BUFFER(10), try "
                "--16\n");
        ret = SG_LIB_SYNTAX_ERROR;
        goto fini;
    } else
        res = sg_ll_read_buffer_10(sg_fd, rb_mode, rb_mode_sp, rb_id,
                                   (uint32_t)rb_offset, resp, rb_len, &resid,
                                   true, verbose);
    if (0 != res) {
        char b[80];

        ret = res;
        if (res > 0) {
            sg_get_category_sense_str(res, sizeof(b), b, verbose);
            pr2serr("Read buffer(%d) failed: %s\n", (do_long ? 16 : 10), b);
        }
        goto fini;
    }
    if (resid > 0)
        rb_len -= resid;        /* got back less than requested */
    if (rb_len > 0) {
        if (do_raw)
            dStrRaw(resp, rb_len);
        else if (do_hex || (rb_len < 4))
            hex2stdout((const uint8_t *)resp, rb_len, ((do_hex > 1) ? 0 : 1));
        else {
            switch (rb_mode) {
            case MODE_DESCRIPTOR:
                k = sg_get_unaligned_be24(resp + 1);
                printf("OFFSET BOUNDARY: %d, Buffer offset alignment: "
                       "%d-byte\n", resp[0], (1 << resp[0]));
                printf("BUFFER CAPACITY: %d (0x%x)\n", k, k);
                break;
            case MODE_ECHO_BDESC:
                k = sg_get_unaligned_be16(resp + 2) & 0x1fff;
                printf("EBOS:%d\n", resp[0] & 1 ? 1 : 0);
                printf("Echo buffer capacity: %d (0x%x)\n", k, k);
                break;
            default:
                hex2stdout((const uint8_t *)resp, rb_len,
                           (verbose > 1 ? 0 : 1));
                break;
            }
        }
    }

fini:
    if (resp)
        free(resp);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_read_buffer failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 24
0
int
main(int argc, char * argv[])
{
    bool correct = false;
    bool do_16 = false;
    bool pblock = false;
    bool readonly = false;
    bool got_stdout;
    bool verbose_given = false;
    bool version_given = false;
    int outfd, res, c;
    int sg_fd = -1;
    int ret = 0;
    int xfer_len = 520;
    int verbose = 0;
    uint64_t llba = 0;
    int64_t ll;
    uint8_t * readLongBuff = NULL;
    uint8_t * rawp = NULL;
    uint8_t * free_rawp = NULL;
    const char * device_name = NULL;
    char out_fname[256];
    char ebuff[EBUFF_SZ];

    memset(out_fname, 0, sizeof out_fname);
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "chl:o:prSvVx:", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'c':
            correct = true;
            break;
        case 'h':
        case '?':
            usage();
            return 0;
        case 'l':
            ll = sg_get_llnum(optarg);
            if (-1 == ll) {
                pr2serr("bad argument to '--lba'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            llba = (uint64_t)ll;
            break;
        case 'o':
            strncpy(out_fname, optarg, sizeof(out_fname) - 1);
            break;
        case 'p':
            pblock = true;
            break;
        case 'r':
            readonly = true;
            break;
        case 'S':
            do_16 = true;
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        case 'x':
            xfer_len = sg_get_num(optarg);
           if (-1 == xfer_len) {
                pr2serr("bad argument to '--xfer_len'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr(ME "version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    if (xfer_len >= MAX_XFER_LEN){
        pr2serr("xfer_len (%d) is out of range ( < %d)\n", xfer_len,
                MAX_XFER_LEN);
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    sg_fd = sg_cmds_open_device(device_name, readonly, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr(ME "open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto err_out;
    }

    if (NULL == (rawp = (uint8_t *)sg_memalign(MAX_XFER_LEN, 0, &free_rawp,
                                               false))) {
        if (verbose)
            pr2serr(ME "out of memory\n");
        ret = sg_convert_errno(ENOMEM);
        goto err_out;
    }
    readLongBuff = (uint8_t *)rawp;
    memset(rawp, 0x0, MAX_XFER_LEN);

    pr2serr(ME "issue read long (%s) to device %s\n    xfer_len=%d (0x%x), "
            "lba=%" PRIu64 " (0x%" PRIx64 "), correct=%d\n",
            (do_16 ? "16" : "10"), device_name, xfer_len, xfer_len, llba,
            llba, (int)correct);

    if ((ret = process_read_long(sg_fd, do_16, pblock, correct, llba,
                                 readLongBuff, xfer_len, verbose)))
        goto err_out;

    if ('\0' == out_fname[0])
        hex2stdout((const uint8_t *)rawp, xfer_len, 0);
    else {
        got_stdout = (0 == strcmp(out_fname, "-"));
        if (got_stdout)
            outfd = STDOUT_FILENO;
        else {
            if ((outfd = open(out_fname, O_WRONLY | O_CREAT | O_TRUNC,
                              0666)) < 0) {
                snprintf(ebuff, EBUFF_SZ,
                         ME "could not open %s for writing", out_fname);
                perror(ebuff);
                goto err_out;
            }
        }
        if (sg_set_binary_mode(outfd) < 0) {
            perror("sg_set_binary_mode");
            goto err_out;
        }
        res = write(outfd, readLongBuff, xfer_len);
        if (res < 0) {
            snprintf(ebuff, EBUFF_SZ, ME "couldn't write to %s", out_fname);
            perror(ebuff);
            goto err_out;
        }
        if (! got_stdout)
            close(outfd);
    }

err_out:
    if (free_rawp)
        free(free_rawp);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_read_long failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 25
0
int
main(int argc, char * argv[])
{
    bool got_stdin = false;
    bool if_given = false;
    bool lba_given = false;
    bool num_given = false;
    bool prot_en;
    int res, c, infd, act_cdb_len, vb, err;
    int sg_fd = -1;
    int ret = -1;
    uint32_t block_size;
    int64_t ll;
    const char * device_name = NULL;
    struct opts_t * op;
    uint8_t * wBuff = NULL;
    uint8_t * free_wBuff = NULL;
    char ebuff[EBUFF_SZ];
    char b[80];
    uint8_t resp_buff[RCAP16_RESP_LEN];
    struct opts_t opts;
    struct stat a_stat;

    op = &opts;
    memset(op, 0, sizeof(opts));
    op->numblocks = DEF_WS_NUMBLOCKS;
    op->pref_cdb_size = DEF_WS_CDB_SIZE;
    op->timeout = DEF_TIMEOUT_SECS;
    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "ag:hi:l:Ln:NPRSt:TUvVw:x:",
                        long_options, &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'a':
            op->anchor = true;
            break;
        case 'g':
            op->grpnum = sg_get_num(optarg);
            if ((op->grpnum < 0) || (op->grpnum > 63))  {
                pr2serr("bad argument to '--grpnum'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'h':
        case '?':
            usage();
            return 0;
        case 'i':
            strncpy(op->ifilename, optarg, sizeof(op->ifilename) - 1);
            op->ifilename[sizeof(op->ifilename) - 1] = '\0';
            if_given = true;
            break;
        case 'l':
            ll = sg_get_llnum(optarg);
            if (-1 == ll) {
                pr2serr("bad argument to '--lba'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            op->lba = (uint64_t)ll;
            lba_given = true;
            break;
        case 'L':
            op->lbdata = true;
            break;
        case 'n':
            op->numblocks = sg_get_num(optarg);
            if (op->numblocks < 0)  {
                pr2serr("bad argument to '--num'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            num_given = true;
            break;
        case 'N':
            op->ndob = true;
            break;
        case 'P':
            op->pbdata = true;
            break;
        case 'R':
            op->want_ws10 = true;
            break;
        case 'S':
            if (DEF_WS_CDB_SIZE != op->pref_cdb_size) {
                pr2serr("only one '--10', '--16' or '--32' please\n");
                return SG_LIB_CONTRADICT;
            }
            op->pref_cdb_size = 16;
            break;
        case 't':
            op->timeout = sg_get_num(optarg);
            if (op->timeout < 0)  {
                pr2serr("bad argument to '--timeout'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'T':
            if (DEF_WS_CDB_SIZE != op->pref_cdb_size) {
                pr2serr("only one '--10', '--16' or '--32' please\n");
                return SG_LIB_CONTRADICT;
            }
            op->pref_cdb_size = 32;
            break;
        case 'U':
            op->unmap = true;
            break;
        case 'v':
            op->verbose_given = true;
            ++op->verbose;
            break;
        case 'V':
            op->version_given = true;
            break;
        case 'w':
            op->wrprotect = sg_get_num(optarg);
            if ((op->wrprotect < 0) || (op->wrprotect > 7))  {
                pr2serr("bad argument to '--wrprotect'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'x':
            op->xfer_len = sg_get_num(optarg);
            if (op->xfer_len < 0) {
                pr2serr("bad argument to '--xferlen'\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (op->want_ws10 && (DEF_WS_CDB_SIZE != op->pref_cdb_size)) {
        pr2serr("only one '--10', '--16' or '--32' please\n");
        return SG_LIB_CONTRADICT;
    }

#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (op->verbose_given && op->version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        op->verbose_given = false;
        op->version_given = false;
        op->verbose = 0;
    } else if (! op->verbose_given) {
        pr2serr("set '-vv'\n");
        op->verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", op->verbose);
#else
    if (op->verbose_given && op->version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (op->version_given) {
        pr2serr(ME "version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }
    vb = op->verbose;

    if ((! if_given) && (! lba_given) && (! num_given)) {
        pr2serr("As a precaution, one of '--in=', '--lba=' or '--num=' is "
                "required\n");
        return SG_LIB_CONTRADICT;
    }

    if (op->ndob) {
        if (if_given) {
            pr2serr("Can't have both --ndob and '--in='\n");
            return SG_LIB_CONTRADICT;
        }
        if (0 != op->xfer_len) {
            pr2serr("With --ndob only '--xferlen=0' (or not given) is "
                    "acceptable\n");
            return SG_LIB_CONTRADICT;
        }
    } else if (op->ifilename[0]) {
        got_stdin = (0 == strcmp(op->ifilename, "-"));
        if (! got_stdin) {
            memset(&a_stat, 0, sizeof(a_stat));
            if (stat(op->ifilename, &a_stat) < 0) {
                err = errno;
                if (vb)
                    pr2serr("unable to stat(%s): %s\n", op->ifilename,
                            safe_strerror(err));
                return sg_convert_errno(err);
            }
            if (op->xfer_len <= 0)
                op->xfer_len = (int)a_stat.st_size;
        }
    }

    sg_fd = sg_cmds_open_device(device_name, false /* rw */, vb);
    if (sg_fd < 0) {
        if (op->verbose)
            pr2serr(ME "open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto err_out;
    }

    if (! op->ndob) {
        prot_en = false;
        if (0 == op->xfer_len) {
            res = sg_ll_readcap_16(sg_fd, false /* pmi */, 0 /* llba */,
                                   resp_buff, RCAP16_RESP_LEN, true,
                                   (vb ? (vb - 1): 0));
            if (SG_LIB_CAT_UNIT_ATTENTION == res) {
                pr2serr("Read capacity(16) unit attention, try again\n");
                res = sg_ll_readcap_16(sg_fd, false, 0, resp_buff,
                                       RCAP16_RESP_LEN, true,
                                       (vb ? (vb - 1): 0));
            }
            if (0 == res) {
                if (vb > 3)
                    hex2stderr(resp_buff, RCAP16_RESP_LEN, 1);
                block_size = sg_get_unaligned_be32(resp_buff + 8);
                prot_en = !!(resp_buff[12] & 0x1);
                op->xfer_len = block_size;
                if (prot_en && (op->wrprotect > 0))
                    op->xfer_len += 8;
            } else if ((SG_LIB_CAT_INVALID_OP == res) ||
                       (SG_LIB_CAT_ILLEGAL_REQ == res)) {
                if (vb)
                    pr2serr("Read capacity(16) not supported, try Read "
                            "capacity(10)\n");
                res = sg_ll_readcap_10(sg_fd, false /* pmi */, 0 /* lba */,
                                       resp_buff, RCAP10_RESP_LEN, true,
                                       (vb ? (vb - 1): 0));
                if (0 == res) {
                    if (vb > 3)
                        hex2stderr(resp_buff, RCAP10_RESP_LEN, 1);
                    block_size = sg_get_unaligned_be32(resp_buff + 4);
                    op->xfer_len = block_size;
                } else {
                    sg_get_category_sense_str(res, sizeof(b), b, vb);
                    pr2serr("Read capacity(10): %s\n", b);
                    pr2serr("Unable to calculate block size\n");
                }
            } else if (vb) {
                sg_get_category_sense_str(res, sizeof(b), b, vb);
                pr2serr("Read capacity(16): %s\n", b);
                pr2serr("Unable to calculate block size\n");
            }
        }
        if (op->xfer_len < 1) {
            pr2serr("unable to deduce block size, please give '--xferlen=' "
                    "argument\n");
            ret = SG_LIB_SYNTAX_ERROR;
            goto err_out;
        }
        if (op->xfer_len > MAX_XFER_LEN) {
            pr2serr("'--xferlen=%d is out of range ( want <= %d)\n",
                    op->xfer_len, MAX_XFER_LEN);
            ret = SG_LIB_SYNTAX_ERROR;
            goto err_out;
        }
        wBuff = (uint8_t *)sg_memalign(op->xfer_len, 0, &free_wBuff, vb > 3);
        if (NULL == wBuff) {
            pr2serr("unable to allocate %d bytes of memory with "
                    "sg_memalign()\n", op->xfer_len);
            ret = sg_convert_errno(ENOMEM);
            goto err_out;
        }
        if (op->ifilename[0]) {
            if (got_stdin) {
                infd = STDIN_FILENO;
                if (sg_set_binary_mode(STDIN_FILENO) < 0)
                    perror("sg_set_binary_mode");
            } else {
                if ((infd = open(op->ifilename, O_RDONLY)) < 0) {
                    ret = sg_convert_errno(errno);
                    snprintf(ebuff, EBUFF_SZ, ME "could not open %.400s for "
                             "reading", op->ifilename);
                    perror(ebuff);
                    goto err_out;
                } else if (sg_set_binary_mode(infd) < 0)
                    perror("sg_set_binary_mode");
            }
            res = read(infd, wBuff, op->xfer_len);
            if (res < 0) {
                ret = sg_convert_errno(errno);
                snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %.400s",
                         op->ifilename);
                perror(ebuff);
                if (! got_stdin)
                    close(infd);
                goto err_out;
            }
            if (res < op->xfer_len) {
                pr2serr("tried to read %d bytes from %s, got %d bytes\n",
                        op->xfer_len, op->ifilename, res);
                pr2serr("  so pad with 0x0 bytes and continue\n");
            }
            if (! got_stdin)
                close(infd);
        } else {
            if (vb)
                pr2serr("Default data-out buffer set to %d zeros\n",
                        op->xfer_len);
            if (prot_en && (op->wrprotect > 0)) {
               /* default for protection is 0xff, rest get 0x0 */
                memset(wBuff + op->xfer_len - 8, 0xff, 8);
                if (vb)
                    pr2serr(" ... apart from last 8 bytes which are set to "
                            "0xff\n");
            }
        }
    }

    ret = do_write_same(sg_fd, op, wBuff, &act_cdb_len);
    if (ret) {
        sg_get_category_sense_str(ret, sizeof(b), b, vb);
        pr2serr("Write same(%d): %s\n", act_cdb_len, b);
    }

err_out:
    if (free_wBuff)
        free(free_wBuff);
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == op->verbose) {
        if (! sg_if_can2stderr("sg_write_same failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 26
0
/* Invokes a SCSI MODE SENSE (10) command. Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors.
 * Adds the ability to set the command abort timeout
 * and the ability to report the residual count. If timeout_secs is zero
 * or less the default command abort timeout (60 seconds) is used.
 * If residp is non-NULL then the residual value is written where residp
 * points. A residual value of 0 implies mx_resp_len bytes have be written
 * where resp points. If the residual value equals mx_resp_len then no
 * bytes have been written. */
int
sg_ll_mode_sense10_v2(int sg_fd, bool llbaa, bool dbd, int pc, int pg_code,
                      int sub_pg_code, void * resp, int mx_resp_len,
                      int timeout_secs, int * residp, bool noisy, int verbose)
{
    int res, ret, k, sense_cat, resid;
    static const char * const cdb_s = "mode sense(10)";
    struct sg_pt_base * ptvp;
    uint8_t modes_cdb[MODE_SENSE10_CMDLEN] =
        {MODE_SENSE10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];

    modes_cdb[1] = (uint8_t)((dbd ? 0x8 : 0) | (llbaa ? 0x10 : 0));
    modes_cdb[2] = (uint8_t)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
    modes_cdb[3] = (uint8_t)(sub_pg_code & 0xff);
    sg_put_unaligned_be16((int16_t)mx_resp_len, modes_cdb + 7);
    if (mx_resp_len > 0xffff) {
        pr2ws("mx_resp_len too big\n");
        goto gen_err;
    }
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < MODE_SENSE10_CMDLEN; ++k)
            pr2ws("%02x ", modes_cdb[k]);
        pr2ws("\n");
    }
    if (timeout_secs <= 0)
        timeout_secs = DEF_PT_TIMEOUT;

    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        goto gen_err;
    set_scsi_pt_cdb(ptvp, modes_cdb, sizeof(modes_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, (uint8_t *)resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, timeout_secs, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    resid = get_scsi_pt_resid(ptvp);
    if (residp)
        *residp = resid;
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else {
        if ((verbose > 2) && (ret > 0)) {
            pr2ws("    %s: response", cdb_s);
            if (3 == verbose) {
                pr2ws("%s:\n", (ret > 256 ? ", first 256 bytes" : ""));
                hex2stderr((const uint8_t *)resp, (ret > 256 ? 256 : ret),
                           -1);
            } else {
                pr2ws(":\n");
                hex2stderr((const uint8_t *)resp, ret, 0);
            }
        }
        ret = 0;
    }
    destruct_scsi_pt_obj(ptvp);

    if (resid > 0) {
        if (resid > mx_resp_len) {
            pr2ws("%s: resid (%d) should never exceed requested len=%d\n",
                  cdb_s, resid, mx_resp_len);
            return ret ? ret : SG_LIB_CAT_MALFORMED;
        }
        /* zero unfilled section of response buffer */
        memset((uint8_t *)resp + (mx_resp_len - resid), 0, resid);
    }
    return ret;
gen_err:
    if (residp)
        *residp = 0;
    return -1;
}
Exemplo n.º 27
0
int
main(int argc, char * argv[])
{
    bool verbose_given = false;
    bool version_given = false;
    int sg_fd = -1;
    int res, c;
    unsigned int ctl = 0;
    unsigned int time_tnth = 0;
    int verbose = 0;
    const char * device_name = NULL;
    int ret = 0;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "c:ht:vV", long_options, &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'c':
            if ((1 != sscanf(optarg, "%4u", &ctl)) || (ctl > 3)) {
                pr2serr("--ctl= expects a number from 0 to 3\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'h':
        case '?':
            usage();
            return 0;
        case 't':
            if ((1 != sscanf(optarg, "%4u", &time_tnth)) ||
                (time_tnth > 255)) {
                pr2serr("--time= expects a number from 0 to 255\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n",
                        argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    sg_fd = sg_cmds_open_device(device_name, false, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr("open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    res = sg_ll_background_control(sg_fd, ctl, time_tnth, true, verbose);
    ret = res;
    if (res) {
        if (SG_LIB_CAT_INVALID_OP == res)
            pr2serr("%s command not supported\n", cmd_name);
        else {
            char b[80];

            sg_get_category_sense_str(res, sizeof(b), b, verbose);
            pr2serr("%s command: %s\n", cmd_name, b);
        }
    }

fini:
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_bg_ctl failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' or '-vv' for "
                    "more information\n");
    }
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 28
0
/* Invokes a SCSI LOG SENSE command. Return of 0 -> success,
 * various SG_LIB_CAT_* positive values or -1 -> other errors.
 * Adds the ability to set the command abort timeout
 * and the ability to report the residual count. If timeout_secs is zero
 * or less the default command abort timeout (60 seconds) is used.
 * If residp is non-NULL then the residual value is written where residp
 * points. A residual value of 0 implies mx_resp_len bytes have be written
 * where resp points. If the residual value equals mx_resp_len then no
 * bytes have been written. */
int
sg_ll_log_sense_v2(int sg_fd, bool ppc, bool sp, int pc, int pg_code,
                   int subpg_code, int paramp, uint8_t * resp,
                   int mx_resp_len, int timeout_secs, int * residp,
                   bool noisy, int verbose)
{
    static const char * const cdb_s = "log sense";
    int res, ret, k, sense_cat, resid;
    uint8_t logs_cdb[LOG_SENSE_CMDLEN] =
        {LOG_SENSE_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    uint8_t sense_b[SENSE_BUFF_LEN];
    struct sg_pt_base * ptvp;

    if (mx_resp_len > 0xffff) {
        pr2ws("mx_resp_len too big\n");
        goto gen_err;
    }
    logs_cdb[1] = (uint8_t)((ppc ? 2 : 0) | (sp ? 1 : 0));
    logs_cdb[2] = (uint8_t)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
    logs_cdb[3] = (uint8_t)(subpg_code & 0xff);
    sg_put_unaligned_be16((int16_t)paramp, logs_cdb + 5);
    sg_put_unaligned_be16((int16_t)mx_resp_len, logs_cdb + 7);
    if (verbose) {
        pr2ws("    %s cdb: ", cdb_s);
        for (k = 0; k < LOG_SENSE_CMDLEN; ++k)
            pr2ws("%02x ", logs_cdb[k]);
        pr2ws("\n");
    }
    if (timeout_secs <= 0)
        timeout_secs = DEF_PT_TIMEOUT;

    if (NULL == ((ptvp = create_pt_obj(cdb_s))))
        goto gen_err;
    set_scsi_pt_cdb(ptvp, logs_cdb, sizeof(logs_cdb));
    set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
    set_scsi_pt_data_in(ptvp, resp, mx_resp_len);
    res = do_scsi_pt(ptvp, sg_fd, timeout_secs, verbose);
    ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
    resid = get_scsi_pt_resid(ptvp);
    if (residp)
        *residp = resid;
    if (-1 == ret)
        ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
    else if (-2 == ret) {
        switch (sense_cat) {
        case SG_LIB_CAT_RECOVERED:
        case SG_LIB_CAT_NO_SENSE:
            ret = 0;
            break;
        default:
            ret = sense_cat;
            break;
        }
    } else {
        if ((mx_resp_len > 3) && (ret < 4)) {
            /* resid indicates LOG SENSE response length bad, so zero it */
            resp[2] = 0;
            resp[3] = 0;
        }
        ret = 0;
    }
    destruct_scsi_pt_obj(ptvp);

    if (resid > 0) {
        if (resid > mx_resp_len) {
            pr2ws("%s: resid (%d) should never exceed requested len=%d\n",
                  cdb_s, resid, mx_resp_len);
            return ret ? ret : SG_LIB_CAT_MALFORMED;
        }
        /* zero unfilled section of response buffer */
        memset((uint8_t *)resp + (mx_resp_len - resid), 0, resid);
    }
    return ret;
gen_err:
    if (residp)
        *residp = 0;
    return -1;
}
Exemplo n.º 29
0
int
main(int argc, char * argv[])
{
    bool do_raw = false;
    bool readonly = false;
    bool verbose_given = false;
    bool version_given = false;
    int sg_fd, k, m, res, c;
    int do_hex = 0;
    int verbose = 0;
    int ret = 0;
    uint32_t max_block_size;
    uint16_t min_block_size;
    const char * device_name = NULL;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "hHrRvV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'h':
        case '?':
            usage();
            return 0;
        case 'H':
            ++do_hex;
            break;
        case 'r':
            do_raw = true;
            break;
        case 'R':
            readonly = true;
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("invalid option -%c ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("missing device name!\n");
        usage();
        return SG_LIB_SYNTAX_ERROR;
    }

    sg_fd = sg_cmds_open_device(device_name, readonly, verbose);
    if (sg_fd < 0) {
        if (verbose)
            pr2serr("open error: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto the_end2;
    }

    memset(readBlkLmtBuff, 0x0, 6);
    res = sg_ll_read_block_limits(sg_fd, readBlkLmtBuff, 6, true, verbose);
    ret = res;
    if (0 == res) {
      if (do_hex) {
        hex2stdout(readBlkLmtBuff, sizeof(readBlkLmtBuff), 1);
        goto the_end;
      } else if (do_raw) {
        dStrRaw((const char *)readBlkLmtBuff, sizeof(readBlkLmtBuff));
        goto the_end;
      }

      max_block_size = sg_get_unaligned_be32(readBlkLmtBuff + 0);
      min_block_size = sg_get_unaligned_be16(readBlkLmtBuff + 4);
      k = min_block_size / 1024;
      pr2serr("Read Block Limits results:\n");
      pr2serr("\tMinimum block size: %u byte(s)",
              (unsigned int)min_block_size);
      if (k != 0)
        pr2serr(", %d KB", k);
      pr2serr("\n");
      k = max_block_size / 1024;
      m = max_block_size / 1048576;
      pr2serr("\tMaximum block size: %u byte(s)",
              (unsigned int)max_block_size);
      if (k != 0)
        pr2serr(", %d KB", k);
      if (m != 0)
        pr2serr(", %d MB", m);
      pr2serr("\n");
    } else {
        char b[80];

        sg_get_category_sense_str(res, sizeof(b), b, verbose);
        pr2serr("Read block limits: %s\n", b);
        if (0 == verbose)
            pr2serr("    try '-v' option for more information\n");
    }

the_end:
    res = sg_cmds_close_device(sg_fd);
    if (res < 0) {
        pr2serr("close error: %s\n", safe_strerror(-res));
        if (0 == ret)
            ret = sg_convert_errno(-res);
    }
the_end2:
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_read_block_limits failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' or '-vv' for "
                    "more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}
Exemplo n.º 30
0
int
main(int argc, char * argv[])
{
    bool do_packet = false;
    bool do_ident = false;
    bool do_raw = false;
    bool o_readonly = false;
    bool ck_cond = false;    /* set to true to read register(s) back */
    bool extend = false;    /* set to true to send 48 bit LBA with command */
    bool verbose_given = false;
    bool version_given = false;
    int c, res;
    int sg_fd = -1;
    int cdb_len = SAT_ATA_PASS_THROUGH16_LEN;
    int do_hex = 0;
    int verbose = 0;
    int ret = 0;
    const char * device_name = NULL;

    while (1) {
        int option_index = 0;

        c = getopt_long(argc, argv, "cehHil:prRvV", long_options,
                        &option_index);
        if (c == -1)
            break;

        switch (c) {
        case 'c':
            ck_cond = true;
            break;
        case 'e':
            extend = true;
            break;
        case 'h':
        case '?':
            usage();
            return 0;
        case 'H':
            ++do_hex;
            break;
        case 'i':
            do_ident = true;
            break;
        case 'l':
            cdb_len = sg_get_num(optarg);
            switch (cdb_len) {
            case 12:
            case 16:
            case 32:
                break;
            default:
                pr2serr("argument to '--len' should be 12, 16 or 32\n");
                return SG_LIB_SYNTAX_ERROR;
            }
            break;
        case 'p':
            do_packet = true;
            break;
        case 'r':
            do_raw = true;
            break;
        case 'R':
            o_readonly = true;
            break;
        case 'v':
            verbose_given = true;
            ++verbose;
            break;
        case 'V':
            version_given = true;
            break;
        default:
            pr2serr("unrecognised option code 0x%x ??\n", c);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
    if (optind < argc) {
        if (NULL == device_name) {
            device_name = argv[optind];
            ++optind;
        }
        if (optind < argc) {
            for (; optind < argc; ++optind)
                pr2serr("Unexpected extra argument: %s\n", argv[optind]);
            usage();
            return SG_LIB_SYNTAX_ERROR;
        }
    }
#ifdef DEBUG
    pr2serr("In DEBUG mode, ");
    if (verbose_given && version_given) {
        pr2serr("but override: '-vV' given, zero verbose and continue\n");
        verbose_given = false;
        version_given = false;
        verbose = 0;
    } else if (! verbose_given) {
        pr2serr("set '-vv'\n");
        verbose = 2;
    } else
        pr2serr("keep verbose=%d\n", verbose);
#else
    if (verbose_given && version_given)
        pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
    if (version_given) {
        pr2serr("version: %s\n", version_str);
        return 0;
    }

    if (NULL == device_name) {
        pr2serr("Missing device name!\n\n");
        usage();
        return 1;
    }
    if (do_raw) {
        if (sg_set_binary_mode(STDOUT_FILENO) < 0) {
            perror("sg_set_binary_mode");
            return SG_LIB_FILE_ERROR;
        }
    }

    if ((sg_fd = sg_cmds_open_device(device_name, o_readonly, verbose)) < 0) {
        if (verbose)
            pr2serr("error opening file: %s: %s\n", device_name,
                    safe_strerror(-sg_fd));
        ret = sg_convert_errno(-sg_fd);
        goto fini;
    }

    ret = do_identify_dev(sg_fd, do_packet, cdb_len, ck_cond, extend,
                          do_ident, do_hex, do_raw, verbose);

fini:
    if (sg_fd >= 0) {
        res = sg_cmds_close_device(sg_fd);
        if (res < 0) {
            pr2serr("close error: %s\n", safe_strerror(-res));
            if (0 == ret)
                ret = sg_convert_errno(-res);
        }
    }
    if (0 == verbose) {
        if (! sg_if_can2stderr("sg_sat_identify failed: ", ret))
            pr2serr("Some error occurred, try again with '-v' "
                    "or '-vv' for more information\n");
    }
    return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}