/* Invokes a SCSI READ BUFFER(10) command (spc5r02). Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ static int 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, int 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) { fprintf(stderr, " Read buffer(10) cdb: "); for (k = 0; k < SG_READ_BUFFER_10_CMDLEN; ++k) fprintf(stderr, "%02x ", rb10_cb[k]); fprintf(stderr, "\n"); } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { fprintf(stderr, "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, (unsigned char *)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) ; 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)) { fprintf(stderr, " Read buffer(10): response%s\n", (ret > 256 ? ", first 256 bytes" : "")); dStrHexErr((const char *)resp, (ret > 256 ? 256 : ret), -1); } ret = 0; } if (residp) *residp = get_scsi_pt_resid(ptvp); destruct_scsi_pt_obj(ptvp); return ret; }
/* 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, int pcr, int sp, int pc, int pg_code, int subpg_code, unsigned char * paramp, int param_len, int noisy, int verbose) { static const char * const cdb_name_s = "log select"; int res, ret, k, sense_cat; unsigned char logs_cdb[LOG_SELECT_CMDLEN] = {LOG_SELECT_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0}; unsigned char sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; if (param_len > 0xffff) { pr2ws("%s: param_len too big\n", cdb_name_s); return -1; } logs_cdb[1] = (unsigned char)((pcr ? 2 : 0) | (sp ? 1 : 0)); logs_cdb[2] = (unsigned char)(((pc << 6) & 0xc0) | (pg_code & 0x3f)); logs_cdb[3] = (unsigned char)(subpg_code & 0xff); sg_put_unaligned_be16((int16_t)param_len, logs_cdb + 7); if (verbose) { pr2ws(" %s cdb: ", cdb_name_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_name_s); dStrHexErr((const char *)paramp, param_len, -1); } if (NULL == ((ptvp = create_pt_obj(cdb_name_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_name_s, res, 0, sense_b, noisy, verbose, &sense_cat); if (-1 == ret) ; 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; }
/* Invokes a SCSI MODE SELECT (10) command. Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ int sg_ll_mode_select10(int sg_fd, int pf, int sp, void * paramp, int param_len, int noisy, int verbose) { static const char * const cdb_name_s = "mode select(10)"; int res, ret, k, sense_cat; unsigned char modes_cdb[MODE_SELECT10_CMDLEN] = {MODE_SELECT10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0}; unsigned char sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; modes_cdb[1] = (unsigned char)(((pf << 4) & 0x10) | (sp & 0x1)); sg_put_unaligned_be16((int16_t)param_len, modes_cdb + 7); if (param_len > 0xffff) { pr2ws("%s: param_len too big\n", cdb_name_s); return -1; } if (verbose) { pr2ws(" %s cdb: ", cdb_name_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_name_s); dStrHexErr((const char *)paramp, param_len, -1); } if (NULL == ((ptvp = create_pt_obj(cdb_name_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, (unsigned char *)paramp, param_len); res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose); ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy, verbose, &sense_cat); if (-1 == ret) ; 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; }
/* Invokes a SCSI REPORT TIMESTAMP command. Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ static int sg_ll_rep_timestamp(int sg_fd, void * resp, int mx_resp_len, int * residp, int noisy, int verbose) { int k, ret, res, sense_cat; unsigned char rtCmdBlk[REP_TIMESTAMP_CMDLEN] = {SG_MAINTENANCE_IN, REP_TIMESTAMP_SA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; unsigned char sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; sg_put_unaligned_be32((uint32_t)mx_resp_len, rtCmdBlk + 6); if (verbose) { pr2serr(" Report timestamp cdb: "); for (k = 0; k < REP_TIMESTAMP_CMDLEN; ++k) pr2serr("%02x ", rtCmdBlk[k]); pr2serr("\n"); } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { pr2serr("%s: out of memory\n", __func__); return -1; } set_scsi_pt_cdb(ptvp, rtCmdBlk, sizeof(rtCmdBlk)); set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len); res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose); ret = sg_cmds_process_resp(ptvp, "report timestamp", res, mx_resp_len, sense_b, noisy, verbose, &sense_cat); if (-1 == ret) ; 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; k = get_scsi_pt_resid(ptvp); if (residp) *residp = k; if ((verbose > 2) && ((mx_resp_len - k) > 0)) { pr2serr("Parameter data returned:\n"); dStrHexErr((const char *)resp, mx_resp_len - k, ((verbose > 3) ? -1 : 1)); } destruct_scsi_pt_obj(ptvp); return ret; }
/* Invokes the SET TIMESTAMP command. Return of 0 -> success, various * SG_LIB_CAT_* positive values or -1 -> other errors */ static int sg_ll_set_timestamp(int sg_fd, void * paramp, int param_len, int noisy, int verbose) { int k, ret, res, sense_cat; unsigned char stCmdBlk[SET_TIMESTAMP_CMDLEN] = {SG_MAINTENANCE_OUT, SET_TIMESTAMP_SA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; unsigned char sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; sg_put_unaligned_be32(param_len, stCmdBlk + 6); if (verbose) { pr2serr(" Set timestamp cdb: "); for (k = 0; k < SET_TIMESTAMP_CMDLEN; ++k) pr2serr("%02x ", stCmdBlk[k]); pr2serr("\n"); if ((verbose > 1) && paramp && param_len) { pr2serr(" set timestamp parameter list:\n"); dStrHexErr((const char *)paramp, param_len, -1); } } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { pr2serr("%s: out of memory\n", __func__); return -1; } set_scsi_pt_cdb(ptvp, stCmdBlk, sizeof(stCmdBlk)); set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); set_scsi_pt_data_out(ptvp, (unsigned char *)paramp, param_len); res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose); ret = sg_cmds_process_resp(ptvp, "set timestamp", res, 0, sense_b, noisy, verbose, &sense_cat); if (-1 == ret) ; 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; }
/* Invokes a SCSI MODE SENSE (10) command. Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ int sg_ll_mode_sense10(int sg_fd, int llbaa, int dbd, int pc, int pg_code, int sub_pg_code, void * resp, int mx_resp_len, int noisy, int verbose) { static const char * const cdb_name_s = "mode sense(10)"; int res, ret, k, sense_cat, resid; unsigned char modes_cdb[MODE_SENSE10_CMDLEN] = {MODE_SENSE10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0}; unsigned char sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; modes_cdb[1] = (unsigned char)((dbd ? 0x8 : 0) | (llbaa ? 0x10 : 0)); modes_cdb[2] = (unsigned char)(((pc << 6) & 0xc0) | (pg_code & 0x3f)); modes_cdb[3] = (unsigned char)(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"); return -1; } if (verbose) { pr2ws(" %s cdb: ", cdb_name_s); for (k = 0; k < MODE_SENSE10_CMDLEN; ++k) pr2ws("%02x ", modes_cdb[k]); pr2ws("\n"); } if (NULL == ((ptvp = create_pt_obj(cdb_name_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_in(ptvp, (unsigned char *)resp, mx_resp_len); res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose); ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, mx_resp_len, sense_b, noisy, verbose, &sense_cat); resid = get_scsi_pt_resid(ptvp); destruct_scsi_pt_obj(ptvp); if (-1 == ret) ; 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_name_s); if (3 == verbose) { pr2ws("%s:\n", (ret > 256 ? ", first 256 bytes" : "")); dStrHexErr((const char *)resp, (ret > 256 ? 256 : ret), -1); } else { pr2ws(":\n"); dStrHexErr((const char *)resp, ret, 0); } } ret = 0; } if (resid > 0) { if (resid > mx_resp_len) { pr2ws("%s: resid (%d) should never exceed requested len=%d\n", cdb_name_s, resid, mx_resp_len); return ret ? ret : SG_LIB_CAT_MALFORMED; } /* zero unfilled section of response buffer */ memset((unsigned char *)resp + (mx_resp_len - resid), 0, resid); } return ret; }
static int do_wscan(char letter, int show_bt, int scsi_scan) { int k, j, n; struct storage_elem * sp; if (scsi_scan < 2) { k = enum_pds(); if (k) return k; k = enum_cdroms(); if (k) return k; k = enum_tapes(); if (k) return k; k = enum_volumes(letter); if (k) return k; for (k = 0; k < next_unused_elem; ++k) { sp = storage_arr + k; if ('\0' == sp->name[0]) continue; printf("%-7s ", sp->name); n = strlen(sp->volume_letters); if (0 == n) printf(" "); else if (1 == n) printf("[%s] ", sp->volume_letters); else if (2 == n) printf("[%s] ", sp->volume_letters); else if (3 == n) printf("[%s] ", sp->volume_letters); else if (4 == n) printf("[%s] ", sp->volume_letters); else printf("[%4s+] ", sp->volume_letters); if (sp->qp_descriptor_valid) { if (show_bt) printf("<%s> ", get_bus_type(sp->qp_descriptor.desc.BusType)); j = sp->qp_descriptor.desc.VendorIdOffset; if (j > 0) printf("%s ", sp->qp_descriptor.raw + j); j = sp->qp_descriptor.desc.ProductIdOffset; if (j > 0) printf("%s ", sp->qp_descriptor.raw + j); j = sp->qp_descriptor.desc.ProductRevisionOffset; if (j > 0) printf("%s ", sp->qp_descriptor.raw + j); j = sp->qp_descriptor.desc.SerialNumberOffset; if (j > 0) printf("%s", sp->qp_descriptor.raw + j); printf("\n"); if (verbose > 2) dStrHexErr(sp->qp_descriptor.raw, 144, 0); } else printf("\n"); if ((verbose > 3) && sp->qp_uid_valid) { printf(" UID valid, in hex:\n"); dStrHexErr(sp->qp_uid.raw, sizeof(sp->qp_uid.raw), 1); } } } if (scsi_scan) { if (scsi_scan < 2) printf("\n"); enum_scsi_adapters(); } return 0; }
int main(int argc, char *argv[]) { int ret = 0; int res_cat, status, slen, k, ret2; int sg_fd = -1; struct sg_pt_base *ptvp = NULL; unsigned char sense_buffer[32]; unsigned char * dxfer_buffer_in = NULL; unsigned char * dxfer_buffer_out = NULL; unsigned char *wrkBuf = NULL; struct opts_t opts; struct opts_t * op; char b[128]; op = &opts; memset(op, 0, sizeof(opts)); op->timeout = DEFAULT_TIMEOUT; ret = process_cl(op, argc, argv); if (ret != 0) { usage(); goto done; } else if (op->do_help) { usage(); goto done; } else if (op->do_version) { version(); goto done; } sg_fd = scsi_pt_open_device(op->device_name, op->readonly, op->do_verbose); if (sg_fd < 0) { fprintf(stderr, "%s: %s\n", op->device_name, safe_strerror(-sg_fd)); ret = SG_LIB_FILE_ERROR; goto done; } ptvp = construct_scsi_pt_obj(); if (ptvp == NULL) { fprintf(stderr, "out of memory\n"); ret = SG_LIB_CAT_OTHER; goto done; } if (op->do_verbose) { fprintf(stderr, " cdb to send: "); for (k = 0; k < op->cdb_length; ++k) fprintf(stderr, "%02x ", op->cdb[k]); fprintf(stderr, "\n"); if (op->do_verbose > 2) { sg_get_command_name(op->cdb, 0, sizeof(b) - 1, b); b[sizeof(b) - 1] = '\0'; fprintf(stderr, " Command name: %s\n", b); } } set_scsi_pt_cdb(ptvp, op->cdb, op->cdb_length); set_scsi_pt_sense(ptvp, sense_buffer, sizeof(sense_buffer)); if (op->do_dataout) { dxfer_buffer_out = fetch_dataout(op); if (dxfer_buffer_out == NULL) { ret = SG_LIB_CAT_OTHER; goto done; } set_scsi_pt_data_out(ptvp, dxfer_buffer_out, op->dataout_len); } if (op->do_datain) { dxfer_buffer_in = my_memalign(op->datain_len, &wrkBuf); if (dxfer_buffer_in == NULL) { perror("malloc"); ret = SG_LIB_CAT_OTHER; goto done; } set_scsi_pt_data_in(ptvp, dxfer_buffer_in, op->datain_len); } ret = do_scsi_pt(ptvp, sg_fd, op->timeout, op->do_verbose); if (ret > 0) { if (SCSI_PT_DO_BAD_PARAMS == ret) { fprintf(stderr, "do_scsi_pt: bad pass through setup\n"); ret = SG_LIB_CAT_OTHER; } else if (SCSI_PT_DO_TIMEOUT == ret) { fprintf(stderr, "do_scsi_pt: timeout\n"); ret = SG_LIB_CAT_TIMEOUT; } else ret = SG_LIB_CAT_OTHER; goto done; } else if (ret < 0) { fprintf(stderr, "do_scsi_pt: %s\n", safe_strerror(-ret)); ret = SG_LIB_CAT_OTHER; goto done; } slen = 0; res_cat = get_scsi_pt_result_category(ptvp); switch (res_cat) { case SCSI_PT_RESULT_GOOD: ret = 0; break; case SCSI_PT_RESULT_SENSE: slen = get_scsi_pt_sense_len(ptvp); ret = sg_err_category_sense(sense_buffer, slen); break; case SCSI_PT_RESULT_TRANSPORT_ERR: get_scsi_pt_transport_err_str(ptvp, sizeof(b), b); fprintf(stderr, ">>> transport error: %s\n", b); ret = SG_LIB_CAT_OTHER; break; case SCSI_PT_RESULT_OS_ERR: get_scsi_pt_os_err_str(ptvp, sizeof(b), b); fprintf(stderr, ">>> os error: %s\n", b); ret = SG_LIB_CAT_OTHER; break; default: fprintf(stderr, ">>> unknown pass through result category (%d)\n", res_cat); ret = SG_LIB_CAT_OTHER; break; } status = get_scsi_pt_status_response(ptvp); fprintf(stderr, "SCSI Status: "); sg_print_scsi_status(status); fprintf(stderr, "\n\n"); if ((SAM_STAT_CHECK_CONDITION == status) && (! op->no_sense)) { if (SCSI_PT_RESULT_SENSE != res_cat) slen = get_scsi_pt_sense_len(ptvp); if (0 == slen) fprintf(stderr, ">>> Strange: status is CHECK CONDITION but no " "Sense Information\n"); else { fprintf(stderr, "Sense Information:\n"); sg_print_sense(NULL, sense_buffer, slen, (op->do_verbose > 0)); fprintf(stderr, "\n"); } } if (SAM_STAT_RESERVATION_CONFLICT == status) ret = SG_LIB_CAT_RES_CONFLICT; if (op->do_datain) { int data_len = op->datain_len - get_scsi_pt_resid(ptvp); if (ret && !(SG_LIB_CAT_RECOVERED == ret || SG_LIB_CAT_NO_SENSE == ret)) fprintf(stderr, "Error %d occurred, no data received\n", ret); else if (data_len == 0) { fprintf(stderr, "No data received\n"); } else { if (op->datain_file == NULL && !op->datain_binary) { fprintf(stderr, "Received %d bytes of data:\n", data_len); dStrHexErr((const char *)dxfer_buffer_in, data_len, 0); } else { const char * cp = "stdout"; if (op->datain_file && ! ((1 == strlen(op->datain_file)) && ('-' == op->datain_file[0]))) cp = op->datain_file; fprintf(stderr, "Writing %d bytes of data to %s\n", data_len, cp); ret2 = write_dataout(op->datain_file, dxfer_buffer_in, data_len); if (0 != ret2) { if (0 == ret) ret = ret2; goto done; } } } } done: if (op->do_verbose) { sg_get_category_sense_str(ret, sizeof(b), b, op->do_verbose - 1); fprintf(stderr, "%s\n", b); } if (wrkBuf) free(wrkBuf); if (ptvp) destruct_scsi_pt_obj(ptvp); if (sg_fd >= 0) scsi_pt_close_device(sg_fd); return ret; }
/* Invokes a SCSI WRITE BUFFER command (SPC). Return of 0 -> * success, SG_LIB_CAT_INVALID_OP -> invalid opcode, * SG_LIB_CAT_ILLEGAL_REQ -> bad field in cdb, SG_LIB_CAT_UNIT_ATTENTION, * SG_LIB_CAT_NOT_READY -> device not ready, SG_LIB_CAT_ABORTED_COMMAND, * -1 -> other failure */ static int sg_ll_write_buffer_v2(int sg_fd, int mode, int m_specific, int buffer_id, uint32_t buffer_offset, void * paramp, uint32_t param_len, int to_secs, int noisy, int verbose) { int k, res, ret, sense_cat; uint8_t wbuf_cdb[WRITE_BUFFER_CMDLEN] = {WRITE_BUFFER_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0}; uint8_t sense_b[SENSE_BUFF_LEN]; struct sg_pt_base * ptvp; if (buffer_offset > 0xffffff) { pr2serr("%s: buffer_offset value too large for 24 bits\n", __func__); return -1; } if (param_len > 0xffffff) { pr2serr("%s: param_len value too large for 24 bits\n", __func__); return -1; } wbuf_cdb[1] = (uint8_t)(mode & 0x1f); wbuf_cdb[1] |= (uint8_t)((m_specific & 0x7) << 5); wbuf_cdb[2] = (uint8_t)(buffer_id & 0xff); sg_put_unaligned_be24(buffer_offset, wbuf_cdb + 3); sg_put_unaligned_be24(param_len, wbuf_cdb + 6); if (verbose) { pr2serr(" Write buffer cdb: "); for (k = 0; k < WRITE_BUFFER_CMDLEN; ++k) pr2serr("%02x ", wbuf_cdb[k]); pr2serr("\n"); if ((verbose > 1) && paramp && param_len) { pr2serr(" Write buffer parameter list%s:\n", ((param_len > 256) ? " (first 256 bytes)" : "")); dStrHexErr((const char *)paramp, ((param_len > 256) ? 256 : param_len), -1); } } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { pr2serr("%s: out of memory\n", __func__); return -1; } set_scsi_pt_cdb(ptvp, wbuf_cdb, sizeof(wbuf_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, to_secs, verbose); ret = sg_cmds_process_resp(ptvp, "Write buffer", res, 0, sense_b, noisy, verbose, &sense_cat); if (-1 == ret) ; 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; }