/* * sg_format : format a SCSI disk * potentially with a different number of blocks and block size * * formerly called blk512-linux.c (v0.4) * * Copyright (C) 2003 Grant Grundler grundler at parisc-linux dot org * Copyright (C) 2003 James Bottomley jejb at parisc-linux dot org * Copyright (C) 2005-2022 Douglas Gilbert dgilbert at interlog dot com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * SPDX-License-Identifier: GPL-2.0-or-later * * See https://www.t10.org for relevant standards and drafts. The most recent * draft is SBC-4 revision 2. */ #include #include #include #include #include #include #include #include #define __STDC_FORMAT_MACROS 1 #include #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "sg_lib.h" #include "sg_cmds_basic.h" #include "sg_cmds_extra.h" #include "sg_unaligned.h" #include "sg_pr2serr.h" #include "sg_pt.h" static const char * version_str = "1.67 20220607"; #define RW_ERROR_RECOVERY_PAGE 1 /* can give alternate with --mode=MP */ #define SHORT_TIMEOUT 20 /* 20 seconds unless --wait given */ #define FORMAT_TIMEOUT (20 * 3600) /* 20 hours ! */ #define FOUR_TBYTE (4LL * 1000 * 1000 * 1000 * 1000) #define LONG_FORMAT_TIMEOUT (40 * 3600) /* 40 hours */ #define EIGHT_TBYTE (FOUR_TBYTE * 2) #define VLONG_FORMAT_TIMEOUT (80 * 3600) /* 3 days, 8 hours */ #define POLL_DURATION_SECS 60 #define POLL_DURATION_FFMT_SECS 10 #define DEF_POLL_TYPE_RS false /* false -> test unit ready; true -> request sense */ #define MAX_BUFF_SZ 252 /* FORMAT UNIT (SBC) and FORMAT MEDIUM (SSC) share the same opcode */ #define SG_FORMAT_MEDIUM_CMD 0x4 #define SG_FORMAT_MEDIUM_CMDLEN 6 /* FORMAT WITH PRESET (new in sbc4r18) */ #define SG_FORMAT_WITH_PRESET_CMD 0x38 #define SG_FORMAT_WITH_PRESET_CMDLEN 10 #define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */ struct opts_t { bool cmplst; /* -C value */ bool cmplst_given; bool dry_run; /* -d */ bool early; /* -e */ bool fmtmaxlba; /* -b (only with F_WITH_PRESET) */ bool fwait; /* -w (negated form IMMED) */ bool ip_def; /* -I */ bool long_lba; /* -l */ bool mode6; /* -6 */ bool pinfo; /* -p, deprecated, prefer fmtpinfo */ bool poll_type; /* -x 0|1 */ bool poll_type_given; bool preset; /* -E */ bool quick; /* -Q */ bool do_rcap16; /* -l */ bool resize; /* -r */ bool rto_req; /* -R, deprecated, prefer fmtpinfo */ bool verbose_given; bool verify; /* -y */ bool version_given; int dcrt; /* -D (can be given once or twice) */ int lblk_sz; /* -s value */ int ffmt; /* -t value; fast_format if > 0 */ int fmtpinfo; int format; /* -F */ uint32_t p_id; /* set by argument of --preset=id */ int mode_page; /* -M value */ int pfu; /* -P value */ int pie; /* -q value */ int sec_init; /* -S */ int tape; /* -T , def: -1 */ int timeout; /* -m SECS, def: depends on IMMED bit */ int verbose; /* -v */ int64_t blk_count; /* -c value */ int64_t total_byte_count; /* from READ CAPACITY command */ const char * device_name; }; static struct option long_options[] = { {"count", required_argument, 0, 'c'}, {"cmplst", required_argument, 0, 'C'}, {"dcrt", no_argument, 0, 'D'}, {"dry-run", no_argument, 0, 'd'}, {"dry_run", no_argument, 0, 'd'}, {"early", no_argument, 0, 'e'}, {"ffmt", required_argument, 0, 't'}, {"fmtmaxlba", no_argument, 0, 'b'}, {"fmtpinfo", required_argument, 0, 'f'}, {"format", no_argument, 0, 'F'}, {"help", no_argument, 0, 'h'}, {"ip-def", no_argument, 0, 'I'}, {"ip_def", no_argument, 0, 'I'}, {"long", no_argument, 0, 'l'}, {"mode", required_argument, 0, 'M'}, {"pinfo", no_argument, 0, 'p'}, {"pfu", required_argument, 0, 'P'}, {"pie", required_argument, 0, 'q'}, {"poll", required_argument, 0, 'x'}, {"preset", required_argument, 0, 'E'}, {"quick", no_argument, 0, 'Q'}, {"resize", no_argument, 0, 'r'}, {"rto_req", no_argument, 0, 'R'}, {"security", no_argument, 0, 'S'}, {"six", no_argument, 0, '6'}, {"size", required_argument, 0, 's'}, {"tape", required_argument, 0, 'T'}, {"timeout", required_argument, 0, 'm'}, {"verbose", no_argument, 0, 'v'}, {"verify", no_argument, 0, 'y'}, {"version", no_argument, 0, 'V'}, {"wait", no_argument, 0, 'w'}, {0, 0, 0, 0}, }; static const char * fu_s = "Format unit"; static const char * fm_s = "Format medium"; static const char * fwp_s = "Format with preset"; static void usage() { printf("Usage:\n" " sg_format [--cmplst=0|1] [--count=COUNT] [--dcrt] " "[--dry-run] [--early]\n" " [--ffmt=FFMT] [--fmtmaxlba] [--fmtpinfo=FPI] " "[--format] [--help]\n" " [--ip-def] [--long] [--mode=MP] [--pfu=PFU] " "[--pie=PIE]\n" " [--pinfo] [--poll=PT] [--preset=ID] [--quick] " "[--resize]\n" " [--rto_req] [--security] [--six] [--size=LB_SZ] " "[--tape=FM]\n" " [--timeout=SECS] [--verbose] [--verify] " "[--version] [--wait]\n" " DEVICE\n" " where:\n" " --cmplst=0|1\n" " -C 0|1 sets CMPLST bit in format cdb " "(def: 1; if FFMT: 0)\n" " --count=COUNT|-c COUNT number of blocks to report " "after format or\n" " resize. Format default is " "same as current\n" " --dcrt|-D disable certification (doesn't " "verify media)\n" " use twice to enable certification and " "set FOV bit\n" " --dry-run|-d bypass device modifying commands (i.e. " "don't format)\n" " --early|-e exit once format started (user can " "monitor progress)\n" " --ffmt=FFMT|-t FFMT fast format (def: 0 -> slow, " "may visit every\n" " block). 1 and 2 are fast formats; " "1: after\n" " format, unwritten data read " "without error\n" " --fmtpinfo=FPI|-f FPI FMTPINFO field value " "(default: 0)\n" " --format|-F do FORMAT UNIT (default: report current " "count and size)\n" " use thrice for FORMAT UNIT command " "only\n" " --fmtmaxlba|-b sets FMTMAXLBA field in FORMAT WITH " "PRESET\n" " --help|-h prints out this usage message\n" " --ip-def|-I use default initialization pattern\n" " --long|-l allow for 64 bit lbas (default: assume " "32 bit lbas)\n" " --mode=MP|-M MP mode page (def: 1 -> RW error " "recovery mpage)\n" " --pie=PIE|-q PIE Protection Information Exponent " "(default: 0)\n" " --pinfo|-p set upper bit of FMTPINFO field\n" " (deprecated, use '--fmtpinfo=FPI' " "instead)\n" " --poll=PT|-x PT PT is poll type, 0 for test unit " "ready\n" " 1 for request sense (def: 0 (1 " "for tape and\n" " format with preset))\n"); printf(" --preset=ID|-E ID do FORMAT WITH PRESET command " "with PRESET\n" " IDENTIFIER field set to ID\n" " --quick|-Q start format without pause for user " "intervention\n" " (i.e. no time to reconsider)\n" " --resize|-r resize (rather than format) to COUNT " "value\n" " --rto_req|-R set lower bit of FMTPINFO field\n" " (deprecated use '--fmtpinfo=FPI' " "instead)\n" " --security|-S set security initialization (SI) bit\n" " --six|-6 use 6 byte MODE SENSE/SELECT to probe " "disk\n" " (def: use 10 byte MODE SENSE/SELECT)\n" " --size=LB_SZ|-s LB_SZ bytes per logical block, " "defaults to DEVICE's\n" " current logical block size. Only " "needed to\n" " change current logical block " "size\n" " --tape=FM|-T FM request FORMAT MEDIUM with FORMAT " "field set\n" " to FM (def: 0 --> default format)\n" " --timeout=SECS|-m SECS FORMAT UNIT/MEDIUM command " "timeout in seconds\n" " --verbose|-v increase verbosity\n" " --verify|-y sets VERIFY bit in FORMAT MEDIUM (tape)\n" " --version|-V print version details and exit\n" " --wait|-w format commands wait until format " "operations complete\n" " (default: set IMMED=1 and poll with " "Test Unit Ready)\n\n" "\tExample: sg_format --format /dev/sdc\n\n" "This utility formats a SCSI disk [FORMAT UNIT] or resizes " "it. Alternatively\nif '--tape=FM' is given formats a tape " "[FORMAT MEDIUM]. Another alternative\nis doing the FORMAT " "WITH PRESET command when '--preset=ID' is given.\n\n"); printf("WARNING: This utility will destroy all the data on the " "DEVICE when\n\t '--format', '--tape=FM' or '--preset=ID' " "is given. Double check\n\t that you have specified the " "correct DEVICE.\n"); } /* Invokes a SCSI FORMAT MEDIUM command (SSC). Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ static int sg_ll_format_medium(int sg_fd, bool verify, bool immed, int format, void * paramp, int transfer_len, int timeout, bool noisy, int verbose) { int ret, res, sense_cat; uint8_t fm_cdb[SG_FORMAT_MEDIUM_CMDLEN] = {SG_FORMAT_MEDIUM_CMD, 0, 0, 0, 0, 0}; uint8_t sense_b[SENSE_BUFF_LEN] = {0}; struct sg_pt_base * ptvp; if (verify) fm_cdb[1] |= 0x2; if (immed) fm_cdb[1] |= 0x1; if (format) fm_cdb[2] |= (0xf & format); if (transfer_len > 0) sg_put_unaligned_be16(transfer_len, fm_cdb + 3); if (verbose) { char b[128]; pr2serr(" %s cdb: %s\n", fm_s, sg_get_command_str(fm_cdb, SG_FORMAT_MEDIUM_CMDLEN, false, sizeof(b), b)); } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { pr2serr("%s: out of memory\n", __func__); return sg_convert_errno(ENOMEM); } set_scsi_pt_cdb(ptvp, fm_cdb, sizeof(fm_cdb)); set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); set_scsi_pt_data_out(ptvp, (uint8_t *)paramp, transfer_len); res = do_scsi_pt(ptvp, sg_fd, timeout, verbose); ret = sg_cmds_process_resp(ptvp, fm_s, res, noisy, verbose, &sense_cat); if (-1 == ret) { if (get_scsi_pt_transport_err(ptvp)) ret = SG_LIB_TRANSPORT_ERROR; else 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; if (verbose) pr2serr("%s command %s without error\n", fm_s, (immed ? "launched" : "completed")); } destruct_scsi_pt_obj(ptvp); return ret; } /* Invokes a SCSI FORMAT WITH PRESET command (SBC). Return of 0 -> success, * various SG_LIB_CAT_* positive values or -1 -> other errors */ static int sg_ll_format_with_preset(int sg_fd, bool immed, bool fmtmaxlba, uint32_t preset_id, int timeout, bool noisy, int verbose) { int ret, res, sense_cat; uint8_t fwp_cdb[SG_FORMAT_WITH_PRESET_CMDLEN] = {SG_FORMAT_WITH_PRESET_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0}; uint8_t sense_b[SENSE_BUFF_LEN] = {0}; struct sg_pt_base * ptvp; if (immed) fwp_cdb[1] |= 0x80; if (fmtmaxlba) fwp_cdb[1] |= 0x40; if (preset_id > 0) sg_put_unaligned_be32(preset_id, fwp_cdb + 2); if (verbose) { char b[128]; pr2serr(" %s cdb: %s\n", fwp_s, sg_get_command_str(fwp_cdb, SG_FORMAT_WITH_PRESET_CMDLEN, false, sizeof(b), b)); } ptvp = construct_scsi_pt_obj(); if (NULL == ptvp) { pr2serr("%s: out of memory\n", __func__); return sg_convert_errno(ENOMEM); } set_scsi_pt_cdb(ptvp, fwp_cdb, sizeof(fwp_cdb)); set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); res = do_scsi_pt(ptvp, sg_fd, timeout, verbose); ret = sg_cmds_process_resp(ptvp, fwp_s, res, noisy, verbose, &sense_cat); if (-1 == ret) { if (get_scsi_pt_transport_err(ptvp)) ret = SG_LIB_TRANSPORT_ERROR; else 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; if (verbose) pr2serr("%s command %s without error\n", fwp_s, (immed ? "launched" : "completed")); } destruct_scsi_pt_obj(ptvp); return ret; } /* Return 0 on success, else see sg_ll_format_unit_v2() */ static int scsi_format_unit(int fd, const struct opts_t * op) { bool need_param_lst, longlist, ip_desc, first; bool immed = ! op->fwait; int res, progress, pr, rem, param_sz, off, resp_len, tmout; int poll_wait_secs; int vb = op->verbose; const int SH_FORMAT_HEADER_SZ = 4; const int LONG_FORMAT_HEADER_SZ = 8; const int INIT_PATTERN_DESC_SZ = 4; const int max_param_sz = LONG_FORMAT_HEADER_SZ + INIT_PATTERN_DESC_SZ; uint8_t * param; uint8_t * free_param = NULL; char b[80]; param = sg_memalign(max_param_sz, 0, &free_param, false); if (NULL == param) { pr2serr("%s: unable to obtain heap for parameter list\n", __func__); return sg_convert_errno(ENOMEM); } if (immed) tmout = SHORT_TIMEOUT; else { if (op->total_byte_count > EIGHT_TBYTE) tmout = VLONG_FORMAT_TIMEOUT; else if (op->total_byte_count > FOUR_TBYTE) tmout = LONG_FORMAT_TIMEOUT; else tmout = FORMAT_TIMEOUT; } if (op->timeout > tmout) tmout = op->timeout; longlist = (op->pie > 0); /* only set LONGLIST if PI_EXPONENT>0 */ ip_desc = (op->ip_def || op->sec_init); off = longlist ? LONG_FORMAT_HEADER_SZ : SH_FORMAT_HEADER_SZ; param[0] = op->pfu & 0x7; /* PROTECTION_FIELD_USAGE (bits 2-0) */ param[1] = (immed ? 0x2 : 0); /* FOV=0, [DPRY,DCRT,STPF,IP=0] */ if (1 == op->dcrt) param[1] |= 0xa0; /* FOV=1, DCRT=1 */ else if (op->dcrt > 1) param[1] |= 0x80; /* FOV=1, DCRT=0 */ if (ip_desc) { param[1] |= 0x88; /* FOV=1, IP=1 */ if (op->sec_init) param[off + 0] = 0x20; /* SI=1 in IP desc */ } if (longlist) param[3] = (op->pie & 0xf);/* PROTECTION_INTERVAL_EXPONENT */ /* with the long parameter list header, P_I_INFORMATION is always 0 */ need_param_lst = (immed || op->cmplst || (op->dcrt > 0) || ip_desc || (op->pfu > 0) || (op->pie > 0)); param_sz = need_param_lst ? (off + (ip_desc ? INIT_PATTERN_DESC_SZ : 0)) : 0; if (op->dry_run) { res = 0; pr2serr("Due to --dry-run option bypassing FORMAT UNIT " "command\n"); if (vb) { if (need_param_lst) { pr2serr(" %s would have received parameter " "list: ", fu_s); hex2stderr(param, max_param_sz, -1); } else pr2serr(" %s would not have received a " "parameter list\n", fu_s); pr2serr(" %s cdb fields: fmtpinfo=0x%x, " "longlist=%d, fmtdata=%d, cmplst=%d, " "ffmt=%d [timeout=%d secs]\n", fu_s, op->fmtpinfo, longlist, need_param_lst, op->cmplst, op->ffmt, tmout); } } else res = sg_ll_format_unit_v2(fd, op->fmtpinfo, longlist, need_param_lst, op->cmplst, 0, op->ffmt, tmout, param, param_sz, true, vb); if (free_param) free(free_param); if (res) { sg_get_category_sense_str(res, sizeof(b), b, vb); pr2serr("%s command: %s\n", fu_s, b); return res; } else if (op->verbose) pr2serr("%s command %s without error\n", fu_s, (immed ? "launched" : "completed")); if (! immed) return 0; if (! op->dry_run) printf("\n%s has started\n", fu_s); if (op->early) { if (immed) printf("%s continuing,\n request sense or " "test unit ready can be used to monitor " "progress\n", fu_s); return 0; } if (op->dry_run) { printf("No point in polling for progress, so exit\n"); return 0; } poll_wait_secs = op->ffmt ? POLL_DURATION_FFMT_SECS : POLL_DURATION_SECS; if (! op->poll_type) { for(first = true; ; first = false) { sg_sleep_secs(poll_wait_secs); progress = -1; res = sg_ll_test_unit_ready_progress(fd, 0, &progress, true, (vb > 1) ? (vb - 1) : 0); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fu_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fu_s); break; } } } if (op->poll_type || (SG_LIB_CAT_NOT_READY == res)) { uint8_t * reqSense; uint8_t * free_reqSense = NULL; reqSense = sg_memalign(MAX_BUFF_SZ, 0, &free_reqSense, false); if (NULL == reqSense) { pr2serr("%s: unable to obtain heap for Request " "Sense\n", __func__); return sg_convert_errno(ENOMEM); } for(first = true; ; first = false) { sg_sleep_secs(poll_wait_secs); memset(reqSense, 0x0, MAX_BUFF_SZ); res = sg_ll_request_sense(fd, false, reqSense, MAX_BUFF_SZ, false, (vb > 1) ? (vb - 1) : 0); if (res) { pr2serr("polling with Request Sense command " "failed [res=%d]\n", res); break; } resp_len = reqSense[7] + 8; if (vb > 1) { pr2serr("Parameter data in hex:\n"); hex2stderr(reqSense, resp_len, 1); } progress = -1; sg_get_sense_progress_fld(reqSense, resp_len, &progress); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fu_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fu_s); break; } } if (free_reqSense) free(free_reqSense); } printf("FORMAT UNIT Complete\n"); return 0; } /* Return 0 on success, else see sg_ll_format_medium() above */ static int scsi_format_medium(int fd, const struct opts_t * op) { bool first; bool immed = ! op->fwait; int res, progress, pr, rem, resp_len, tmout; int vb = op->verbose; char b[80]; if (immed) tmout = SHORT_TIMEOUT; else { if (op->total_byte_count > EIGHT_TBYTE) tmout = VLONG_FORMAT_TIMEOUT; else if (op->total_byte_count > FOUR_TBYTE) tmout = LONG_FORMAT_TIMEOUT; else tmout = FORMAT_TIMEOUT; } if (op->timeout > tmout) tmout = op->timeout; if (op->dry_run) { res = 0; pr2serr("Due to --dry-run option bypassing %s command\n", fm_s); } else res = sg_ll_format_medium(fd, op->verify, immed, 0xf & op->tape, NULL, 0, tmout, true, vb); if (res) { sg_get_category_sense_str(res, sizeof(b), b, vb); pr2serr("%s command: %s\n", fm_s, b); return res; } if (! immed) return 0; if (! op->dry_run) printf("\n%s has started\n", fm_s); if (op->early) { if (immed) printf("%s continuing,\n request sense or " "test unit ready can be used to monitor " "progress\n", fm_s); return 0; } if (op->dry_run) { printf("No point in polling for progress, so exit\n"); return 0; } if (! op->poll_type) { for(first = true; ; first = false) { sg_sleep_secs(POLL_DURATION_SECS); progress = -1; res = sg_ll_test_unit_ready_progress(fd, 0, &progress, true, (vb > 1) ? (vb - 1) : 0); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fm_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fm_s); break; } } } if (op->poll_type || (SG_LIB_CAT_NOT_READY == res)) { uint8_t * reqSense; uint8_t * free_reqSense = NULL; reqSense = sg_memalign(MAX_BUFF_SZ, 0, &free_reqSense, false); if (NULL == reqSense) { pr2serr("%s: unable to obtain heap for Request " "Sense\n", __func__); return sg_convert_errno(ENOMEM); } for(first = true; ; first = false) { sg_sleep_secs(POLL_DURATION_SECS); memset(reqSense, 0x0, MAX_BUFF_SZ); res = sg_ll_request_sense(fd, false, reqSense, MAX_BUFF_SZ, false, (vb > 1) ? (vb - 1) : 0); if (res) { pr2serr("polling with Request Sense command " "failed [res=%d]\n", res); break; } resp_len = reqSense[7] + 8; if (vb > 1) { pr2serr("Parameter data in hex:\n"); hex2stderr(reqSense, resp_len, 1); } progress = -1; sg_get_sense_progress_fld(reqSense, resp_len, &progress); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fm_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fm_s); break; } } if (free_reqSense) free(free_reqSense); } printf("FORMAT MEDIUM Complete\n"); return 0; } /* Return 0 on success, else see sg_ll_format_medium() above */ static int scsi_format_with_preset(int fd, const struct opts_t * op) { bool first; bool immed = ! op->fwait; int res, progress, pr, rem, resp_len, tmout; int vb = op->verbose; char b[80]; if (immed) tmout = SHORT_TIMEOUT; else { if (op->total_byte_count > EIGHT_TBYTE) tmout = VLONG_FORMAT_TIMEOUT; else if (op->total_byte_count > FOUR_TBYTE) tmout = LONG_FORMAT_TIMEOUT; else tmout = FORMAT_TIMEOUT; } if (op->timeout > tmout) tmout = op->timeout; if (op->dry_run) { res = 0; pr2serr("Due to --dry-run option bypassing FORMAT WITH " "PRESET command\n"); } else res = sg_ll_format_with_preset(fd, immed, op->fmtmaxlba, op->p_id, tmout, true, vb); if (res) { sg_get_category_sense_str(res, sizeof(b), b, vb); pr2serr("%s command: %s\n", fwp_s, b); return res; } if (! immed) return 0; if (! op->dry_run) printf("\n%s has started\n", fwp_s); if (op->early) { if (immed) printf("%s continuing,\n Request sense can " "be used to monitor progress\n", fwp_s); return 0; } if (op->dry_run) { printf("No point in polling for progress, so exit\n"); return 0; } if (! op->poll_type) { for(first = true; ; first = false) { sg_sleep_secs(POLL_DURATION_SECS); progress = -1; res = sg_ll_test_unit_ready_progress(fd, 0, &progress, true, (vb > 1) ? (vb - 1) : 0); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fwp_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fwp_s); break; } } } if (op->poll_type || (SG_LIB_CAT_NOT_READY == res)) { uint8_t * reqSense; uint8_t * free_reqSense = NULL; reqSense = sg_memalign(MAX_BUFF_SZ, 0, &free_reqSense, false); if (NULL == reqSense) { pr2serr("%s: unable to obtain heap for Request " "Sense\n", __func__); return sg_convert_errno(ENOMEM); } for(first = true; ; first = false) { sg_sleep_secs(POLL_DURATION_SECS); memset(reqSense, 0x0, MAX_BUFF_SZ); res = sg_ll_request_sense(fd, false, reqSense, MAX_BUFF_SZ, false, (vb > 1) ? (vb - 1) : 0); if (res) { pr2serr("polling with Request Sense command " "failed [res=%d]\n", res); break; } resp_len = reqSense[7] + 8; if (vb > 1) { pr2serr("Parameter data in hex:\n"); hex2stderr(reqSense, resp_len, 1); } progress = -1; sg_get_sense_progress_fld(reqSense, resp_len, &progress); if (progress >= 0) { pr = (progress * 100) / 65536; rem = ((progress * 100) % 65536) / 656; printf("%s in progress, %d.%02d%% done\n", fwp_s, pr, rem); } else { if (first && op->verbose) pr2serr("%s seems to be successful " "and finished quickly\n", fwp_s); break; } } if (free_reqSense) free(free_reqSense); } printf("FORMAT WITH PRESET Complete\n"); return 0; } #define VPD_DEVICE_ID 0x83 #define VPD_ASSOC_LU 0 #define VPD_ASSOC_TPORT 1 #define TPROTO_ISCSI 5 static char * get_lu_name(const uint8_t * bp, int u_len, char * b, int b_len) { int len, off, sns_dlen, dlen, k; uint8_t u_sns[512]; char * cp; len = u_len - 4; bp += 4; off = -1; if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, 8 /* SCSI name string (sns) */, 3 /* UTF-8 */)) { sns_dlen = bp[off + 3]; memcpy(u_sns, bp + off + 4, sns_dlen); /* now want to check if this is iSCSI */ off = -1; if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_TPORT, 8 /* SCSI name string (sns) */, 3 /* UTF-8 */)) { if ((0x80 & bp[1]) && (TPROTO_ISCSI == (bp[0] >> 4))) { snprintf(b, b_len, "%.*s", sns_dlen, u_sns); return b; } } } else sns_dlen = 0; if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, 3 /* NAA */, 1 /* binary */)) { dlen = bp[off + 3]; if (! ((8 == dlen) || (16 ==dlen))) return b; cp = b; for (k = 0; ((k < dlen) && (b_len > 1)); ++k) { snprintf(cp, b_len, "%02x", bp[off + 4 + k]); cp += 2; b_len -= 2; } } else if (0 == sg_vpd_dev_id_iter(bp, len, &off, VPD_ASSOC_LU, 2 /* EUI */, 1 /* binary */)) { dlen = bp[off + 3]; if (! ((8 == dlen) || (12 == dlen) || (16 ==dlen))) return b; cp = b; for (k = 0; ((k < dlen) && (b_len > 1)); ++k) { snprintf(cp, b_len, "%02x", bp[off + 4 + k]); cp += 2; b_len -= 2; } } else if (sns_dlen > 0) snprintf(b, b_len, "%.*s", sns_dlen, u_sns); return b; } #define SAFE_STD_INQ_RESP_LEN 36 #define VPD_SUPPORTED_VPDS 0x0 #define VPD_UNIT_SERIAL_NUM 0x80 #define VPD_DEVICE_ID 0x83 #define MAX_VPD_RESP_LEN 256 static int print_dev_id(int fd, uint8_t * sinq_resp, int max_rlen, const struct opts_t * op) { int k, n, verb, pdt, has_sn, has_di; int res = 0; uint8_t * b; uint8_t * free_b = NULL; char a[MAX_VPD_RESP_LEN]; char pdt_name[64]; verb = (op->verbose > 1) ? op->verbose - 1 : 0; memset(sinq_resp, 0, max_rlen); b = sg_memalign(MAX_VPD_RESP_LEN, 0, &free_b, false); if (NULL == b) { res = sg_convert_errno(ENOMEM); goto out; } /* Standard INQUIRY */ res = sg_ll_inquiry(fd, false, false, 0, b, SAFE_STD_INQ_RESP_LEN, true, verb); if (res) goto out; n = b[4] + 5; if (n > SAFE_STD_INQ_RESP_LEN) n = SAFE_STD_INQ_RESP_LEN; memcpy(sinq_resp, b, (n < max_rlen) ? n : max_rlen); if (n == SAFE_STD_INQ_RESP_LEN) { pdt = b[0] & PDT_MASK; printf(" %.8s %.16s %.4s peripheral_type: %s [0x%x]\n", (const char *)(b + 8), (const char *)(b + 16), (const char *)(b + 32), sg_get_pdt_str(pdt, sizeof(pdt_name), pdt_name), pdt); if (op->verbose) printf(" PROTECT=%d\n", !!(b[5] & 1)); if (b[5] & 1) printf(" << supports protection information>>" "\n"); } else { pr2serr("Short INQUIRY response: %d bytes, expect at least " "36\n", n); res = SG_LIB_CAT_OTHER; goto out; } res = sg_ll_inquiry(fd, false, true, VPD_SUPPORTED_VPDS, b, SAFE_STD_INQ_RESP_LEN, true, verb); if (res) { if (op->verbose) pr2serr("VPD_SUPPORTED_VPDS gave res=%d\n", res); res = 0; goto out; } if (VPD_SUPPORTED_VPDS != b[1]) { if (op->verbose) pr2serr("VPD_SUPPORTED_VPDS corrupted\n"); goto out; } n = sg_get_unaligned_be16(b + 2); if (n > (SAFE_STD_INQ_RESP_LEN - 4)) n = (SAFE_STD_INQ_RESP_LEN - 4); for (k = 0, has_sn = 0, has_di = 0; k < n; ++k) { if (VPD_UNIT_SERIAL_NUM == b[4 + k]) ++has_sn; else if (VPD_DEVICE_ID == b[4 + k]) { ++has_di; break; } } if (has_sn) { res = sg_ll_inquiry(fd, false, true /* evpd */, VPD_UNIT_SERIAL_NUM, b, MAX_VPD_RESP_LEN, true, verb); if (res) { if (op->verbose) pr2serr("VPD_UNIT_SERIAL_NUM gave res=%d\n", res); res = 0; goto out; } if (VPD_UNIT_SERIAL_NUM != b[1]) { if (op->verbose) pr2serr("VPD_UNIT_SERIAL_NUM corrupted\n"); goto out; } n = sg_get_unaligned_be16(b + 2); if (n > (int)(MAX_VPD_RESP_LEN - 4)) n = (MAX_VPD_RESP_LEN - 4); printf(" Unit serial number: %.*s\n", n, (const char *)(b + 4)); } if (has_di) { res = sg_ll_inquiry(fd, false, true /* evpd */, VPD_DEVICE_ID, b, MAX_VPD_RESP_LEN, true, verb); if (res) { if (op->verbose) pr2serr("VPD_DEVICE_ID gave res=%d\n", res); res = 0; goto out; } if (VPD_DEVICE_ID != b[1]) { if (op->verbose) pr2serr("VPD_DEVICE_ID corrupted\n"); goto out; } n = sg_get_unaligned_be16(b + 2); if (n > (int)(MAX_VPD_RESP_LEN - 4)) n = (MAX_VPD_RESP_LEN - 4); n = strlen(get_lu_name(b, n + 4, a, sizeof(a))); if (n > 0) printf(" LU name: %.*s\n", n, a); } out: if (free_b) free(free_b); return res; } #define RCAP_REPLY_LEN 32 /* Returns block size or -2 if do_16==0 and the number of blocks is too * big, or returns -1 for other error. */ static int print_read_cap(int fd, struct opts_t * op) { int res = 0; uint8_t * resp_buff; uint8_t * free_resp_buff = NULL; unsigned int last_blk_addr, block_size; uint64_t llast_blk_addr; int64_t ll; char b[80]; resp_buff = sg_memalign(RCAP_REPLY_LEN, 0, &free_resp_buff, false); if (NULL == resp_buff) { pr2serr("%s: unable to obtain heap\n", __func__); res = -1; goto out; } if (op->do_rcap16) { res = sg_ll_readcap_16(fd, false /* pmi */, 0 /* llba */, resp_buff, RCAP_REPLY_LEN, true, op->verbose); if (0 == res) { llast_blk_addr = sg_get_unaligned_be64(resp_buff + 0); block_size = sg_get_unaligned_be32(resp_buff + 8); printf("Read Capacity (16) results:\n"); printf(" Protection: prot_en=%d, p_type=%d, " "p_i_exponent=%d\n", !!(resp_buff[12] & 0x1), ((resp_buff[12] >> 1) & 0x7), ((resp_buff[13] >> 4) & 0xf)); printf(" Logical block provisioning: lbpme=%d, " "lbprz=%d\n", !!(resp_buff[14] & 0x80), !!(resp_buff[14] & 0x40)); printf(" Logical blocks per physical block " "exponent=%d\n", resp_buff[13] & 0xf); printf(" Lowest aligned logical block address=%d\n", 0x3fff & sg_get_unaligned_be16(resp_buff + 14)); printf(" Number of logical blocks=%" PRIu64 "\n", llast_blk_addr + 1); printf(" Logical block size=%u bytes\n", block_size); ll = (int64_t)(llast_blk_addr + 1) * block_size; if (ll > op->total_byte_count) op->total_byte_count = ll; res = (int)block_size; goto out; } } else { res = sg_ll_readcap_10(fd, false /* pmi */, 0 /* lba */, resp_buff, 8, true, op->verbose); if (0 == res) { last_blk_addr = sg_get_unaligned_be32(resp_buff + 0); block_size = sg_get_unaligned_be32(resp_buff + 4); if (0xffffffff == last_blk_addr) { if (op->verbose) printf("Read Capacity (10) response " "indicates that Read Capacity " "(16) is required\n"); res = -2; goto out; } printf("Read Capacity (10) results:\n"); printf(" Number of logical blocks=%u\n", last_blk_addr + 1); printf(" Logical block size=%u bytes\n", block_size); ll = (int64_t)(last_blk_addr + 1) * block_size; if (ll > op->total_byte_count) op->total_byte_count = ll; res = (int)block_size; goto out; } } sg_get_category_sense_str(res, sizeof(b), b, op->verbose); pr2serr("READ CAPACITY (%d): %s\n", (op->do_rcap16 ? 16 : 10), b); res = -1; out: if (free_resp_buff) free(free_resp_buff); return res; } /* Use MODE SENSE(6 or 10) to fetch blocks descriptor(s), if any. Analyze * the first block descriptor and if required, start preparing for a * MODE SELECT(6 or 10). Returns 0 on success. */ static int fetch_block_desc(int fd, uint8_t * dbuff, int * calc_lenp, int * bd_lb_szp, struct opts_t * op) { bool first = true; bool prob; int bd_lbsz, bd_len, dev_specific_param, offset, res, rq_lb_sz; int rsp_len; int resid = 0; int vb = op->verbose; uint64_t ull; int64_t ll; char b[80]; again_with_long_lba: memset(dbuff, 0, MAX_BUFF_SZ); if (op->mode6) res = sg_ll_mode_sense6(fd, false /* DBD */, 0 /* current */, op->mode_page, 0 /* subpage */, dbuff, MAX_BUFF_SZ, true, vb); else res = sg_ll_mode_sense10_v2(fd, op->long_lba, false /* DBD */, 0 /* current */, op->mode_page, 0 /* subpage */, dbuff, MAX_BUFF_SZ, 0, &resid, true, vb); if (res) { if (SG_LIB_CAT_ILLEGAL_REQ == res) { if (op->long_lba && (! op->mode6)) pr2serr("bad field in MODE SENSE (%d) " "[longlba flag not supported?]\n", (op->mode6 ? 6 : 10)); else pr2serr("bad field in MODE SENSE (%d) " "[mode_page %d not supported?]\n", (op->mode6 ? 6 : 10), op->mode_page); } else { sg_get_category_sense_str(res, sizeof(b), b, vb); pr2serr("MODE SENSE (%d) command: %s\n", (op->mode6 ? 6 : 10), b); } if (0 == vb) pr2serr(" try '-v' for more information\n"); return res; } rsp_len = (resid > 0) ? (MAX_BUFF_SZ - resid) : MAX_BUFF_SZ; if (rsp_len < 0) { pr2serr("%s: resid=%d implies negative response " "length of %d\n", __func__, resid, rsp_len); return SG_LIB_WILD_RESID; } *calc_lenp = sg_msense_calc_length(dbuff, rsp_len, op->mode6, &bd_len); if (op->mode6) { if (rsp_len < 4) { pr2serr("%s: MS(6) response length too short (%d)\n", __func__, rsp_len); return SG_LIB_CAT_MALFORMED; } dev_specific_param = dbuff[2]; op->long_lba = false; offset = 4; /* prepare for mode select */ dbuff[0] = 0; dbuff[1] = 0; dbuff[2] = 0; } else { /* MODE SENSE(10) */ if (rsp_len < 8) { pr2serr("%s: MS(10) response length too short (%d)\n", __func__, rsp_len); return SG_LIB_CAT_MALFORMED; } dev_specific_param = dbuff[3]; op->long_lba = !! (dbuff[4] & 1); offset = 8; /* prepare for mode select */ dbuff[0] = 0; dbuff[1] = 0; dbuff[2] = 0; dbuff[3] = 0; } if (rsp_len < *calc_lenp) { pr2serr("%s: MS response length truncated (%d < %d)\n", __func__, rsp_len, *calc_lenp); return SG_LIB_CAT_MALFORMED; } if ((offset + bd_len) < *calc_lenp) dbuff[offset + bd_len] &= 0x7f; /* clear PS bit in mpage */ prob = false; bd_lbsz = 0; *bd_lb_szp = bd_lbsz; rq_lb_sz = op->lblk_sz; if (first) { first = false; printf("Mode Sense (block descriptor) data, prior to " "changes:\n"); } if (dev_specific_param & 0x40) printf(" <<< Write Protect (WP) bit set >>>\n"); if (bd_len > 0) { ull = op->long_lba ? sg_get_unaligned_be64(dbuff + offset) : sg_get_unaligned_be32(dbuff + offset); bd_lbsz = op->long_lba ? sg_get_unaligned_be32(dbuff + offset + 12) : sg_get_unaligned_be24(dbuff + offset + 5); *bd_lb_szp = bd_lbsz; if (! op->long_lba) { if (0xffffffff == ull) { if (vb) pr2serr("block count maxed out, set " "<>\n"); op->long_lba = true; op->mode6 = false; op->do_rcap16 = true; goto again_with_long_lba; } else if ((rq_lb_sz > 0) && (rq_lb_sz < bd_lbsz) && (((ull * bd_lbsz) / rq_lb_sz) >= 0xffffffff)) { if (vb) pr2serr("number of blocks will max " "out, set <>\n"); op->long_lba = true; op->mode6 = false; op->do_rcap16 = true; goto again_with_long_lba; } } if (op->long_lba) { printf(" <<< longlba flag set (64 bit lba) >>>\n"); if (bd_len != 16) prob = true; } else if (bd_len != 8) prob = true; printf(" Number of blocks=%" PRIu64 " [0x%" PRIx64 "]\n", ull, ull); printf(" Block size=%d [0x%x]\n", bd_lbsz, bd_lbsz); ll = (int64_t)ull * bd_lbsz; if (ll > op->total_byte_count) op->total_byte_count = ll; } else { printf(" No block descriptors present\n"); prob = true; } if (op->resize || (op->format && ((op->blk_count != 0) || ((rq_lb_sz > 0) && (rq_lb_sz != bd_lbsz))))) { /* want to run MODE SELECT, prepare now */ if (prob) { pr2serr("Need to perform MODE SELECT (to change " "number or blocks or block length)\n"); pr2serr("but (single) block descriptor not found " "in earlier MODE SENSE\n"); return SG_LIB_CAT_MALFORMED; } if (op->blk_count != 0) { /* user supplied blk count */ if (op->long_lba) sg_put_unaligned_be64(op->blk_count, dbuff + offset); else sg_put_unaligned_be32(op->blk_count, dbuff + offset); } else if ((rq_lb_sz > 0) && (rq_lb_sz != bd_lbsz)) /* 0 implies max capacity with new LB size */ memset(dbuff + offset, 0, op->long_lba ? 8 : 4); if ((rq_lb_sz > 0) && (rq_lb_sz != bd_lbsz)) { if (op->long_lba) sg_put_unaligned_be32((uint32_t)rq_lb_sz, dbuff + offset + 12); else sg_put_unaligned_be24((uint32_t)rq_lb_sz, dbuff + offset + 5); } } return 0; } static int parse_cmd_line(struct opts_t * op, int argc, char **argv) { int j; int64_t ll; op->cmplst = true; /* will be set false if FFMT > 0 */ op->mode_page = RW_ERROR_RECOVERY_PAGE; op->poll_type = DEF_POLL_TYPE_RS; op->tape = -1; while (1) { int option_index = 0; int c; c = getopt_long(argc, argv, "bc:C:dDeE:f:FhIlm:M:pP:q:QrRs:St:T:vVwx:y6", long_options, &option_index); if (c == -1) break; switch (c) { case 'b': op->fmtmaxlba = true; break; case 'c': if (0 == strcmp("-1", optarg)) op->blk_count = -1; else { op->blk_count = sg_get_llnum(optarg); if (-1 == op->blk_count) { pr2serr("bad argument to '--count'\n"); return SG_LIB_SYNTAX_ERROR; } } break; case 'C': j = sg_get_num(optarg); if ((j < 0) || (j > 1)) { pr2serr("bad argument to '--cmplst', want 0 " "or 1\n"); return SG_LIB_SYNTAX_ERROR; } op->cmplst_given = true; op->cmplst = !! j; break; case 'd': op->dry_run = true; break; case 'D': ++op->dcrt; break; case 'e': op->early = true; break; case 'E': ll = sg_get_llnum(optarg); if ((ll < 0) || (ll > UINT32_MAX)) { pr2serr("bad argument to '--preset', need 32 " "bit integer\n"); return SG_LIB_SYNTAX_ERROR; } op->p_id = (uint32_t)ll; op->preset = true; op->poll_type = 1; /* poll with REQUEST SENSE */ break; case 'f': op->fmtpinfo = sg_get_num(optarg); if ((op->fmtpinfo < 0) || ( op->fmtpinfo > 3)) { pr2serr("bad argument to '--fmtpinfo', " "accepts 0 to 3 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'F': ++op->format; break; case 'h': usage(); return SG_LIB_OK_FALSE; case 'I': op->ip_def = true; break; case 'l': op->long_lba = true; op->do_rcap16 = true; break; case 'm': op->timeout = sg_get_num(optarg); if (op->timeout < 0) { pr2serr("bad argument to '--timeout=', " "accepts 0 or more\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'M': op->mode_page = sg_get_num(optarg); if ((op->mode_page < 0) || ( op->mode_page > 62)) { pr2serr("bad argument to '--mode', accepts " "0 to 62 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'p': op->pinfo = true; break; case 'P': op->pfu = sg_get_num(optarg); if ((op->pfu < 0) || ( op->pfu > 7)) { pr2serr("bad argument to '--pfu', accepts 0 " "to 7 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'q': op->pie = sg_get_num(optarg); if ((op->pie < 0) || (op->pie > 15)) { pr2serr("bad argument to '--pie', accepts 0 " "to 15 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'Q': op->quick = true; break; case 'r': op->resize = true; break; case 'R': op->rto_req = true; break; case 's': op->lblk_sz = sg_get_num(optarg); if (op->lblk_sz <= 0) { pr2serr("bad argument to '--size', want arg " "> 0\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'S': op->sec_init = true; break; case 't': op->ffmt = sg_get_num(optarg); if ((op->ffmt < 0) || ( op->ffmt > 3)) { pr2serr("bad argument to '--ffmt', " "accepts 0 to 3 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'T': if (('-' == optarg[0]) && ('1' == optarg[1]) && ('\0' == optarg[2])) { op->tape = -1; break; } op->tape = sg_get_num(optarg); if ((op->tape < 0) || ( op->tape > 15)) { pr2serr("bad argument to '--tape', accepts " "0 to 15 inclusive\n"); return SG_LIB_SYNTAX_ERROR; } break; case 'v': op->verbose_given = true; op->verbose++; break; case 'V': op->version_given = true; break; case 'w': op->fwait = true; break; case 'x': /* false: TUR; true: request sense */ op->poll_type = !! sg_get_num(optarg); op->poll_type_given = true; break; case 'y': op->verify = true; break; case '6': op->mode6 = true; break; default: usage(); return SG_LIB_SYNTAX_ERROR; } } if (optind < argc) { if (NULL == op->device_name) { op->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 (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("sg_format version: %s\n", version_str); return SG_LIB_OK_FALSE; } if (NULL == op->device_name) { pr2serr("no DEVICE name given\n\n"); usage(); return SG_LIB_SYNTAX_ERROR; } if (((int)(op->format > 0) + (int)(op->tape >= 0) + (int)op->preset) > 1) { pr2serr("Can choose only one of: '--format', '--tape=' and " "'--preset='\n"); return SG_LIB_CONTRADICT; } if (op->ip_def && op->sec_init) { pr2serr("'--ip_def' and '--security' contradict, choose " "one\n"); return SG_LIB_CONTRADICT; } if (op->resize) { if (op->format) { pr2serr("both '--format' and '--resize' not " "permitted\n"); usage(); return SG_LIB_CONTRADICT; } else if (0 == op->blk_count) { pr2serr("'--resize' needs a '--count' (other than " "0)\n"); usage(); return SG_LIB_CONTRADICT; } else if (0 != op->lblk_sz) { pr2serr("'--resize' not compatible with '--size'\n"); usage(); return SG_LIB_CONTRADICT; } } if ((op->pinfo > 0) || (op->rto_req > 0) || (op->fmtpinfo > 0)) { if ((op->pinfo || op->rto_req) && op->fmtpinfo) { pr2serr("confusing with both '--pinfo' or " "'--rto_req' together with\n'--fmtpinfo', " "best use '--fmtpinfo' only\n"); usage(); return SG_LIB_CONTRADICT; } if (op->pinfo) op->fmtpinfo |= 2; if (op->rto_req) op->fmtpinfo |= 1; } if ((op->ffmt > 0) && (! op->cmplst_given)) op->cmplst = false; /* SBC-4 silent; FFMT&&CMPLST unlikely */ return 0; } int main(int argc, char **argv) { int bd_lb_sz, calc_len, pdt, res, rq_lb_sz, vb; int fd = -1; int ret = 0; const int dbuff_sz = MAX_BUFF_SZ; const int inq_resp_sz = SAFE_STD_INQ_RESP_LEN; struct opts_t * op; uint8_t * dbuff; uint8_t * free_dbuff = NULL; uint8_t * inq_resp; uint8_t * free_inq_resp = NULL; struct opts_t opts; char b[80]; op = &opts; memset(op, 0, sizeof(opts)); ret = parse_cmd_line(op, argc, argv); if (ret) return (SG_LIB_OK_FALSE == ret) ? 0 : ret; vb = op->verbose; dbuff = sg_memalign(dbuff_sz, 0, &free_dbuff, false); inq_resp = sg_memalign(inq_resp_sz, 0, &free_inq_resp, false); if ((NULL == dbuff) || (NULL == inq_resp)) { pr2serr("Unable to allocate heap\n"); ret = sg_convert_errno(ENOMEM); goto out; } if ((fd = sg_cmds_open_device(op->device_name, false, vb)) < 0) { pr2serr("error opening device file: %s: %s\n", op->device_name, safe_strerror(-fd)); ret = sg_convert_errno(-fd); goto out; } if (op->format > 2) goto format_only; ret = print_dev_id(fd, inq_resp, inq_resp_sz, op); if (ret) { if (op->dry_run) { pr2serr("INQUIRY failed, assume device is a disk\n"); pdt = 0; } else goto out; } else pdt = PDT_MASK & inq_resp[0]; if (op->format) { if ((PDT_DISK != pdt) && (PDT_OPTICAL != pdt) && (PDT_RBC != pdt) && (PDT_ZBC != pdt)) { pr2serr("This format is only defined for disks " "(using SBC-2+, ZBC or RBC) and MO media\n"); ret = SG_LIB_CAT_MALFORMED; goto out; } } else if (op->tape >= 0) { if (! ((PDT_TAPE == pdt) || (PDT_MCHANGER == pdt) || (PDT_ADC == pdt))) { pr2serr("This format is only defined for tapes\n"); ret = SG_LIB_CAT_MALFORMED; goto out; } goto format_med; } else if (op->preset) goto format_with_pre; ret = fetch_block_desc(fd, dbuff, &calc_len, &bd_lb_sz, op); if (ret) { if (op->dry_run) { /* pick some numbers ... */ calc_len = 1024 * 1024 * 1024; bd_lb_sz = 512; } else goto out; } rq_lb_sz = op->lblk_sz; if (op->resize || (op->format && ((op->blk_count != 0) || ((rq_lb_sz > 0) && (rq_lb_sz != bd_lb_sz))))) { /* want to run MODE SELECT */ if (op->dry_run) { pr2serr("Due to --dry-run option bypass MODE " "SELECT(%d) command\n", (op->mode6 ? 6 : 10)); res = 0; } else { bool sp = true; /* may not be able to save pages */ again_sp_false: if (op->mode6) res = sg_ll_mode_select6(fd, true /* PF */, sp, dbuff, calc_len, true, vb); else res = sg_ll_mode_select10(fd, true /* PF */, sp, dbuff, calc_len, true, vb); if ((SG_LIB_CAT_ILLEGAL_REQ == res) && sp) { pr2serr("Try MODE SELECT again with SP=0 " "this time\n"); sp = false; goto again_sp_false; } } ret = res; if (res) { sg_get_category_sense_str(res, sizeof(b), b, vb); pr2serr("MODE SELECT command: %s\n", b); if (0 == vb) pr2serr(" try '-v' for more information\n"); goto out; } } if (op->resize) { printf("Resize operation seems to have been successful\n"); goto out; } else if (! op->format) { res = print_read_cap(fd, op); if (-2 == res) { op->do_rcap16 = true; res = print_read_cap(fd, op); } if (res < 0) ret = -1; if ((res > 0) && (bd_lb_sz > 0) && (res != (int)bd_lb_sz)) { printf(" Warning: mode sense and read capacity " "report different block sizes [%d,%d]\n", bd_lb_sz, res); printf(" Probably needs format\n"); } if ((PDT_TAPE == pdt) || (PDT_MCHANGER == pdt) || (PDT_ADC == pdt)) printf("No changes made. To format use '--tape='.\n"); else printf("No changes made. To format use '--format'. " "To resize use '--resize'\n"); goto out; } if (op->format) { format_only: if (! op->quick) sg_warn_and_wait("FORMAT UNIT", op->device_name, true); res = scsi_format_unit(fd, op); ret = res; if (res) { pr2serr("FORMAT UNIT failed\n"); if (0 == vb) pr2serr(" try '-v' for more " "information\n"); } } goto out; format_med: if (! op->poll_type_given) /* SSC-5 specifies REQUEST SENSE polling */ op->poll_type = true; if (! op->quick) sg_warn_and_wait("FORMAT MEDIUM", op->device_name, true); res = scsi_format_medium(fd, op); ret = res; if (res) { pr2serr("FORMAT MEDIUM failed\n"); if (0 == vb) pr2serr(" try '-v' for more information\n"); } goto out; format_with_pre: if (! op->quick) sg_warn_and_wait("FORMAT WITH PRESET", op->device_name, true); res = scsi_format_with_preset(fd, op); ret = res; if (res) { pr2serr("FORMAT WITH PRESET failed\n"); if (0 == vb) pr2serr(" try '-v' for more information\n"); } out: if (free_dbuff) free(free_dbuff); if (free_inq_resp) free(free_inq_resp); if (fd >= 0) { res = sg_cmds_close_device(fd); if (res < 0) { pr2serr("close error: %s\n", safe_strerror(-res)); if (0 == ret) ret = sg_convert_errno(-res); } } if (0 == vb) { if (! sg_if_can2stderr("sg_format failed: ", ret)) pr2serr("Some error occurred, try again with '-v' " "or '-vv' for more information\n"); } return (ret >= 0) ? ret : SG_LIB_CAT_OTHER; }