| /* |
| * Copyright (c) 2016 Douglas Gilbert. |
| * All rights reserved. |
| * Use of this source code is governed by a BSD-style |
| * license that can be found in the BSD_LICENSE file. |
| */ |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdbool.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <getopt.h> |
| #define __STDC_FORMAT_MACROS 1 |
| #include <inttypes.h> |
| #include <errno.h> |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| #include "sg_lib.h" |
| #include "sg_lib_data.h" |
| #include "sg_pt.h" |
| #include "sg_cmds_basic.h" |
| #include "sg_unaligned.h" |
| #include "sg_pr2serr.h" |
| |
| /* A utility program originally written for the Linux OS SCSI subsystem. |
| * |
| * |
| * This program issues the SCSI READ ATTRIBUTE command to the given SCSI device |
| * and decodes the response. Based on spc5r08.pdf |
| */ |
| |
| static const char * version_str = "1.00 20160207"; |
| |
| #define MAX_RATTR_BUFF_LEN (1024 * 1024) |
| #define DEF_RATTR_BUFF_LEN (1024 * 8) |
| |
| #define SG_READ_ATTRIBUTE_CMD 0x8c |
| #define SG_READ_ATTRIBUTE_CMDLEN 16 |
| |
| #define RA_ATTR_VAL_SA 0x0 |
| #define RA_ATTR_LIST_SA 0x1 |
| #define RA_LV_LIST_SA 0x2 |
| #define RA_PART_LIST_SA 0x3 |
| #define RA_SMC2_SA 0x4 |
| #define RA_SUP_ATTR_SA 0x5 |
| #define RA_HIGHEST_SA 0x5 |
| |
| #define RA_FMT_BINARY 0x0 |
| #define RA_FMT_ASCII 0x1 |
| #define RA_FMT_TEXT 0x2 /* takes into account locale */ |
| #define RA_FMT_RES 0x3 /* reserved */ |
| |
| |
| #define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */ |
| #define DEF_PT_TIMEOUT 60 /* 60 seconds */ |
| |
| struct opts_t { |
| int cache; |
| int ea; |
| int enumerate; |
| int filter; |
| int fai; |
| int do_hex; |
| int lvn; |
| int maxlen; |
| int pn; |
| int quiet; |
| int do_raw; |
| int o_readonly; |
| int sa; |
| int verbose; |
| }; |
| |
| struct acron_nv_t { |
| const char * acron; |
| const char * name; |
| int val; |
| }; |
| |
| struct attr_name_info_t { |
| int id; |
| const char * name; /* tab ('\t') suggest line break */ |
| int format; /* RA_FMT_BINARY and friends, -1 --> unknown */ |
| int len; /* -1 --> not fixed (variable) */ |
| int process; /* 0 --> print decimal if binary, 1 --> print hex, |
| * 2 --> further processing */ |
| }; |
| |
| static struct option long_options[] = { |
| {"cache", no_argument, 0, 'c'}, |
| {"enumerate", no_argument, 0, 'e'}, |
| {"element", required_argument, 0, 'E'}, /* SMC-3 element address */ |
| {"filter", required_argument, 0, 'f'}, |
| {"first", required_argument, 0, 'F'}, |
| {"help", no_argument, 0, 'h'}, |
| {"hex", no_argument, 0, 'H'}, |
| {"in", required_argument, 0, 'i'}, |
| {"lvn", required_argument, 0, 'l'}, |
| {"maxlen", required_argument, 0, 'm'}, |
| {"partition", required_argument, 0, 'p'}, |
| {"quiet", required_argument, 0, 'q'}, |
| {"raw", no_argument, 0, 'r'}, |
| {"readonly", no_argument, 0, 'R'}, |
| {"sa", required_argument, 0, 's'}, |
| {"verbose", no_argument, 0, 'v'}, |
| {"version", no_argument, 0, 'V'}, |
| {0, 0, 0, 0}, /* sentinel */ |
| }; |
| |
| static struct acron_nv_t sa_acron_arr[] = { |
| {"av", "attribute values", 0}, |
| {"al", "attribute list", 1}, |
| {"lvl", "logical volume list", 2}, |
| {"pl", "partition list", 3}, |
| {"smc", "SMC-2 should define this", 4}, |
| {"sa", "supported attributes", 5}, |
| {NULL, NULL, -1}, /* sentinel */ |
| }; |
| |
| static struct attr_name_info_t attr_name_arr[] = { |
| /* Device type attributes */ |
| {0x0, "Remaining capacity in partition [MiB]", RA_FMT_BINARY, 8, 0}, |
| {0x1, "Maximum capacity in partition [MiB]", RA_FMT_BINARY, 8, 0}, |
| {0x2, "TapeAlert flags", RA_FMT_BINARY, 8, 0}, /* SSC-4 */ |
| {0x3, "Load count", RA_FMT_BINARY, 8, 0}, |
| {0x4, "MAM space remaining [B]", RA_FMT_BINARY, 8, 0}, |
| {0x5, "Assigning organization", RA_FMT_ASCII, 8, 0}, /* SSC-4 */ |
| {0x6, "Format density code", RA_FMT_BINARY, 1, 1}, /* SSC-4 */ |
| {0x7, "Initialization count", RA_FMT_BINARY, 2, 0}, |
| {0x8, "Volume identifier", RA_FMT_ASCII, 32, 0}, |
| {0x9, "Volume change reference", RA_FMT_BINARY, -1, 1}, /* SSC-4 */ |
| {0x20a, "Density vendor/serial number at last load", RA_FMT_ASCII, 40, 0}, |
| {0x20b, "Density vendor/serial number at load-1", RA_FMT_ASCII, 40, 0}, |
| {0x20c, "Density vendor/serial number at load-2", RA_FMT_ASCII, 40, 0}, |
| {0x20d, "Density vendor/serial number at load-3", RA_FMT_ASCII, 40, 0}, |
| {0x220, "Total MiB written in medium life", RA_FMT_BINARY, 8, 0}, |
| {0x221, "Total MiB read in medium life", RA_FMT_BINARY, 8, 0}, |
| {0x222, "Total MiB written in current/last load", RA_FMT_BINARY, 8, 0}, |
| {0x223, "Total MiB read in current/last load", RA_FMT_BINARY, 8, 0}, |
| {0x224, "Logical position of first encrypted block", RA_FMT_BINARY, 8, 2}, |
| {0x225, "Logical position of first unencrypted block\tafter first " |
| "encrypted block", RA_FMT_BINARY, 8, 2}, |
| {0x340, "Medium usage history", RA_FMT_BINARY, 90, 2}, |
| {0x341, "Partition usage history", RA_FMT_BINARY, 60, 2}, |
| |
| /* Medium type attributes */ |
| {0x400, "Medium manufacturer", RA_FMT_ASCII, 8, 0}, |
| {0x401, "Medium serial number", RA_FMT_ASCII, 32, 0}, |
| {0x402, "Medium length [m]", RA_FMT_BINARY, 4, 0}, /* SSC-4 */ |
| {0x403, "Medium width [0.1 mm]", RA_FMT_BINARY, 4, 0}, /* SSC-4 */ |
| {0x404, "Assigning organization", RA_FMT_ASCII, 8, 0}, /* SSC-4 */ |
| {0x405, "Medium density code", RA_FMT_BINARY, 1, 1}, /* SSC-4 */ |
| {0x406, "Medium manufacture date", RA_FMT_ASCII, 8, 0}, |
| {0x407, "MAM capacity [B]", RA_FMT_BINARY, 8, 0}, |
| {0x408, "Medium type", RA_FMT_BINARY, 1, 1}, |
| {0x409, "Medium type information", RA_FMT_BINARY, 2, 1}, |
| {0x40a, "Numeric medium serial number", -1, -1, 1}, |
| |
| /* Host type attributes */ |
| {0x800, "Application vendor", RA_FMT_ASCII, 8, 0}, |
| {0x801, "Application name", RA_FMT_ASCII, 32, 0}, |
| {0x802, "Application version", RA_FMT_ASCII, 8, 0}, |
| {0x803, "User medium text label", RA_FMT_TEXT, 160, 0}, |
| {0x804, "Date and time last written", RA_FMT_ASCII, 12, 0}, |
| {0x805, "Text localization identifier", RA_FMT_BINARY, 1, 0}, |
| {0x806, "Barcode", RA_FMT_ASCII, 32, 0}, |
| {0x807, "Owning host textual name", RA_FMT_TEXT, 80, 0}, |
| {0x808, "Media pool", RA_FMT_TEXT, 160, 0}, |
| {0x809, "Partition user text label", RA_FMT_ASCII, 16, 0}, |
| {0x80a, "Load/unload at partition", RA_FMT_BINARY, 1, 0}, |
| {0x80a, "Application format version", RA_FMT_ASCII, 16, 0}, |
| {0x80c, "Volume coherency information", RA_FMT_BINARY, -1, 1}, |
| /* SSC-5 */ |
| {0x820, "Medium globally unique identifier", RA_FMT_BINARY, 36, 1}, |
| {0x821, "Media pool globally unique identifier", RA_FMT_BINARY, 36, 1}, |
| |
| {-1, NULL, -1, -1, 0}, |
| }; |
| |
| |
| static void |
| usage() |
| { |
| pr2serr("Usage: sg_read_attr [--cache] [--element=EA] [--enumerate] " |
| "[--filter=FL]\n" |
| " [--first=FAI] [--help] [--hex] [--in=FN] " |
| "[--lvn-LVN]\n" |
| " [--maxlen=LEN] [--partition=PN] [--quiet] " |
| "[--raw]\n" |
| " [--readonly] [--sa=SA] [--verbose] " |
| "[--version]\n" |
| " DEVICE\n"); |
| pr2serr(" where:\n" |
| " --cache|-c set CACHE bit in cdn (def: clear)\n" |
| " --enumerate|-e enumerate known attributes and service " |
| "actions\n" |
| " --element=EA|-E EA EA is placed in 'element address' " |
| "field in\n" |
| " cdb [SMC-3] (def: 0)\n" |
| " --filter=FL|-f FL FL is parameter code to match (def: " |
| "-1 -> all)\n" |
| " --first=FAI|-F FAI FAI is placed in 'first attribute " |
| "identifier'\n" |
| " field in cdb (def: 0)\n" |
| " --help|-h print out usage message\n" |
| " --hex|-H output response in hexadecimal; used " |
| "twice\n" |
| " shows decoded values in hex\n" |
| " --in=FN|-i FN FN is a filename containing attribute " |
| "values in\n" |
| " ASCII hex or binary if --raw also " |
| "given\n" |
| " --lvn=LVN|-l LVN logical volume number (LVN) (def:0)\n" |
| " --maxlen=LEN|-m LEN max response length (allocation " |
| "length in cdb)\n" |
| " (def: 0 -> 8192 bytes)\n" |
| " --partition=PN|-p PN partition number (PN) (def:0)\n" |
| " --quiet|-q reduce the amount of output, can use " |
| "more than once\n" |
| " --raw|-r output response in binary\n" |
| " --readonly|-R open DEVICE read-only (def: read-write)\n" |
| " --sa=SA|-s SA SA is service action (def: 0)\n" |
| " --verbose|-v increase verbosity\n" |
| " --version|-V print version string and exit\n\n" |
| "Performs a SCSI READ ATTRIBUTE command. It is typically used " |
| "on tape\nsystems.\n"); |
| } |
| |
| /* Invokes a SCSI READ ATTRIBUTE command (SPC+SMC). Return of 0 -> success, |
| * various SG_LIB_CAT_* positive values or -1 -> other errors */ |
| static int |
| sg_ll_read_attr(int sg_fd, void * resp, int * residp, |
| const struct opts_t * op) |
| { |
| int k, ret, res, sense_cat; |
| int noisy = 1; |
| unsigned char raCmdBlk[SG_READ_ATTRIBUTE_CMDLEN] = |
| {SG_READ_ATTRIBUTE_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0}; |
| unsigned char sense_b[SENSE_BUFF_LEN]; |
| struct sg_pt_base * ptvp; |
| |
| raCmdBlk[1] = 0x1f & op->sa; |
| if (op->ea) |
| sg_put_unaligned_be16(op->ea, raCmdBlk + 2); |
| if (op->lvn) |
| raCmdBlk[5] = 0xff & op->lvn; |
| if (op->pn) |
| raCmdBlk[7] = 0xff & op->pn; |
| if (op->fai) |
| sg_put_unaligned_be16(op->fai, raCmdBlk + 8); |
| sg_put_unaligned_be32((uint32_t)op->maxlen, raCmdBlk + 10); |
| if (op->cache) |
| raCmdBlk[14] |= 0x1; |
| if (op->verbose) { |
| pr2serr(" Read attribute cdb: "); |
| for (k = 0; k < SG_READ_ATTRIBUTE_CMDLEN; ++k) |
| pr2serr("%02x ", raCmdBlk[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, raCmdBlk, sizeof(raCmdBlk)); |
| set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b)); |
| set_scsi_pt_data_in(ptvp, (unsigned char *)resp, op->maxlen); |
| res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, op->verbose); |
| ret = sg_cmds_process_resp(ptvp, "read attribute", res, op->maxlen, |
| sense_b, noisy, op->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; |
| if (residp) |
| *residp = get_scsi_pt_resid(ptvp); |
| destruct_scsi_pt_obj(ptvp); |
| return ret; |
| } |
| |
| static void |
| dStrRaw(const char* str, int len) |
| { |
| int k; |
| |
| for (k = 0 ; k < len; ++k) |
| printf("%c", str[k]); |
| } |
| |
| static int |
| find_sa_acron(const char * cp) |
| { |
| int k; |
| const struct acron_nv_t * anvp; |
| const char * mp; |
| |
| for (anvp = sa_acron_arr; anvp->acron ; ++anvp) { |
| for (mp = cp, k = 0; *mp; ++mp, ++k) { |
| if (0 == anvp->acron[k]) |
| return anvp->val; |
| if (tolower(*mp) != anvp->acron[k]) |
| break; |
| } |
| if ((0 == *mp) && (0 == anvp->acron[k])) |
| return anvp->val; |
| } |
| return -1; /* not found */ |
| } |
| |
| const char * a_format[] = { |
| "binary", |
| "ascii", |
| "text", |
| "format[0x3]", |
| }; |
| |
| static void |
| enum_attributes(void) |
| { |
| const struct attr_name_info_t * anip; |
| const char * cp; |
| char b[32]; |
| |
| printf("Attribute ID\tLength\tFormat\tName\n"); |
| printf("------------------------------------------\n"); |
| for (anip = attr_name_arr; anip->name ; ++anip) { |
| if (anip->format < 0) |
| snprintf(b, sizeof(b), "unknown"); |
| else |
| snprintf(b, sizeof(b), "%s", a_format[0x3 & anip->format]); |
| printf(" 0x%04x:\t%d\t%s\t", anip->id, anip->len, b); |
| cp = strchr(anip->name, '\t'); |
| if (cp ) { |
| printf("%.*s\n", (int)(cp - anip->name), anip->name); |
| printf("\t\t\t\t%s\n", cp + 1); |
| } else |
| printf("%s\n", anip->name); |
| } |
| } |
| |
| static void |
| enum_sa_acrons(void) |
| { |
| const struct acron_nv_t * anvp; |
| |
| printf("SA_value\tAcronym\tDescription\n"); |
| printf("------------------------------------------\n"); |
| for (anvp = sa_acron_arr; anvp->acron ; ++anvp) |
| printf(" %d:\t\t%s\t%s\n", anvp->val, anvp->acron, anvp->name); |
| } |
| |
| /* Read ASCII hex bytes or binary from fname (a file named '-' taken as |
| * stdin). If reading ASCII hex then there should be either one entry per |
| * line or a comma, space or tab separated list of bytes. If no_space is |
| * set then a string of ACSII hex digits is expected, 2 per byte. Everything |
| * from and including a '#' on a line is ignored. Returns 0 if ok, or 1 if |
| * error. */ |
| static int |
| f2hex_arr(const char * fname, int as_binary, int no_space, |
| uint8_t * mp_arr, int * mp_arr_len, int max_arr_len) |
| { |
| int fn_len, in_len, k, j, m, split_line, fd, has_stdin; |
| unsigned int h; |
| const char * lcp; |
| FILE * fp; |
| char line[512]; |
| char carry_over[4]; |
| int off = 0; |
| |
| if ((NULL == fname) || (NULL == mp_arr) || (NULL == mp_arr_len)) |
| return 1; |
| fn_len = strlen(fname); |
| if (0 == fn_len) |
| return 1; |
| has_stdin = ((1 == fn_len) && ('-' == fname[0])); /* read from stdin */ |
| if (as_binary) { |
| if (has_stdin) { |
| fd = STDIN_FILENO; |
| if (sg_set_binary_mode(STDIN_FILENO) < 0) |
| perror("sg_set_binary_mode"); |
| } else { |
| fd = open(fname, O_RDONLY); |
| if (fd < 0) { |
| pr2serr("unable to open binary file %s: %s\n", fname, |
| safe_strerror(errno)); |
| return 1; |
| } else if (sg_set_binary_mode(fd) < 0) |
| perror("sg_set_binary_mode"); |
| } |
| k = read(fd, mp_arr, max_arr_len); |
| if (k <= 0) { |
| if (0 == k) |
| pr2serr("read 0 bytes from binary file %s\n", fname); |
| else |
| pr2serr("read from binary file %s: %s\n", fname, |
| safe_strerror(errno)); |
| if (! has_stdin) |
| close(fd); |
| return 1; |
| } |
| *mp_arr_len = k; |
| if (! has_stdin) |
| close(fd); |
| return 0; |
| } else { /* So read the file as ASCII hex */ |
| if (has_stdin) |
| fp = stdin; |
| else { |
| fp = fopen(fname, "r"); |
| if (NULL == fp) { |
| pr2serr("Unable to open %s for reading\n", fname); |
| return 1; |
| } |
| } |
| } |
| |
| carry_over[0] = 0; |
| for (j = 0; j < 512; ++j) { |
| if (NULL == fgets(line, sizeof(line), fp)) |
| break; |
| in_len = strlen(line); |
| if (in_len > 0) { |
| if ('\n' == line[in_len - 1]) { |
| --in_len; |
| line[in_len] = '\0'; |
| split_line = 0; |
| } else |
| split_line = 1; |
| } |
| if (in_len < 1) { |
| carry_over[0] = 0; |
| continue; |
| } |
| if (carry_over[0]) { |
| if (isxdigit(line[0])) { |
| carry_over[1] = line[0]; |
| carry_over[2] = '\0'; |
| if (1 == sscanf(carry_over, "%4x", &h)) |
| mp_arr[off - 1] = h; /* back up and overwrite */ |
| else { |
| pr2serr("%s: carry_over error ['%s'] around line %d\n", |
| __func__, carry_over, j + 1); |
| goto bad; |
| } |
| lcp = line + 1; |
| --in_len; |
| } else |
| lcp = line; |
| carry_over[0] = 0; |
| } else |
| lcp = line; |
| |
| m = strspn(lcp, " \t"); |
| if (m == in_len) |
| continue; |
| lcp += m; |
| in_len -= m; |
| if ('#' == *lcp) |
| continue; |
| k = strspn(lcp, "0123456789aAbBcCdDeEfF ,\t"); |
| if ((k < in_len) && ('#' != lcp[k]) && ('\r' != lcp[k])) { |
| pr2serr("%s: syntax error at line %d, pos %d\n", __func__, |
| j + 1, m + k + 1); |
| goto bad; |
| } |
| if (no_space) { |
| for (k = 0; isxdigit(*lcp) && isxdigit(*(lcp + 1)); |
| ++k, lcp += 2) { |
| if (1 != sscanf(lcp, "%2x", &h)) { |
| pr2serr("%s: bad hex number in line %d, pos %d\n", |
| __func__, j + 1, (int)(lcp - line + 1)); |
| goto bad; |
| } |
| if ((off + k) >= max_arr_len) { |
| pr2serr("%s: array length exceeded\n", __func__); |
| goto bad; |
| } |
| mp_arr[off + k] = h; |
| } |
| if (isxdigit(*lcp) && (! isxdigit(*(lcp + 1)))) |
| carry_over[0] = *lcp; |
| off += k; |
| } else { |
| for (k = 0; k < 1024; ++k) { |
| if (1 == sscanf(lcp, "%4x", &h)) { |
| if (h > 0xff) { |
| pr2serr("%s: hex number larger than 0xff in line %d, " |
| "pos %d\n", __func__, j + 1, |
| (int)(lcp - line + 1)); |
| goto bad; |
| } |
| if (split_line && (1 == strlen(lcp))) { |
| /* single trailing hex digit might be a split pair */ |
| carry_over[0] = *lcp; |
| } |
| if ((off + k) >= max_arr_len) { |
| pr2serr("%s: array length exceeded\n", __func__); |
| goto bad; |
| } |
| mp_arr[off + k] = h; |
| lcp = strpbrk(lcp, " ,\t"); |
| if (NULL == lcp) |
| break; |
| lcp += strspn(lcp, " ,\t"); |
| if ('\0' == *lcp) |
| break; |
| } else { |
| if (('#' == *lcp) || ('\r' == *lcp)) { |
| --k; |
| break; |
| } |
| pr2serr("%s: error in line %d, at pos %d\n", __func__, |
| j + 1, (int)(lcp - line + 1)); |
| goto bad; |
| } |
| } |
| off += (k + 1); |
| } |
| } |
| *mp_arr_len = off; |
| if (stdin != fp) |
| fclose(fp); |
| return 0; |
| bad: |
| if (stdin != fp) |
| fclose(fp); |
| return 1; |
| } |
| |
| /* Returns 1 if 'ucp' all 0xff bytes, returns 2 is all 0xff bytes apart |
| * from last being 0xfe; otherwise returns 0. */ |
| static int |
| all_ffs_or_last_fe(const unsigned char * ucp, int len) |
| { |
| for ( ; len > 0; ++ucp, --len) { |
| if (*ucp < 0xfe) |
| return 0; |
| if (0xfe == *ucp) |
| return (1 == len) ? 2 : 0; |
| |
| } |
| return 1; |
| } |
| |
| static char * |
| attr_id_lookup(unsigned int id, const struct attr_name_info_t ** anipp, |
| int blen, char * b) |
| { |
| const struct attr_name_info_t * anip; |
| |
| for (anip = attr_name_arr; anip->name; ++anip) { |
| if (id == (unsigned int)anip->id) |
| break; |
| } |
| if (anip->name) { |
| snprintf(b, blen, "%s", anip->name); |
| if (anipp) |
| *anipp = anip; |
| return b; |
| } |
| if (anipp) |
| *anipp = NULL; |
| if (id < 0x400) |
| snprintf(b, blen, "Unknown device attribute 0x%x", id); |
| else if (id < 0x800) |
| snprintf(b, blen, "Unknown medium attribute 0x%x", id); |
| else if (id < 0xc00) |
| snprintf(b, blen, "Unknown host attribute 0x%x", id); |
| else if (id < 0x1000) |
| snprintf(b, blen, "Vendor specific device attribute 0x%x", id); |
| else if (id < 0x1400) |
| snprintf(b, blen, "Vendor specific medium attribute 0x%x", id); |
| else if (id < 0x1800) |
| snprintf(b, blen, "Vendor specific host attribute 0x%x", id); |
| else |
| snprintf(b, blen, "Reserved attribute 0x%x", id); |
| return b; |
| } |
| |
| static void |
| decode_attr_list(const unsigned char * alp, int len, bool supported, |
| const struct opts_t * op) |
| { |
| int id; |
| char b[160]; |
| char * cp; |
| char * c2p; |
| const char * leadin = supported ? "Supported a" : "A"; |
| |
| if (op->verbose) |
| printf("%sttribute list: [len=%d]\n", leadin, len); |
| else if (0 == op->quiet) |
| printf("%sttribute list:\n", leadin); |
| if (op->do_hex) { |
| dStrHex((const char *)alp, len, 0); |
| return; |
| } |
| for ( ; len > 0; alp += 2, len -= 2) { |
| id = sg_get_unaligned_be16(alp + 0); |
| if ((op->filter >= 0) && (op->filter != id)) |
| continue; |
| if (op->verbose) |
| printf(" 0x%.4x:\t", id); |
| cp = attr_id_lookup(id, NULL, sizeof(b), b); |
| c2p = strchr(cp, '\t'); |
| if (c2p) { |
| printf(" %.*s -\n", (int)(c2p - cp), cp); |
| if (op->verbose) |
| printf("\t\t %s\n", c2p + 1); |
| else |
| printf(" %s\n", c2p + 1); |
| } else |
| printf(" %s\n", cp); |
| } |
| } |
| |
| static void |
| helper_full_attr(const unsigned char * alp, int len, int id, |
| const struct attr_name_info_t * anip, |
| const struct opts_t * op) |
| { |
| int k; |
| const unsigned char * ucp; |
| |
| if (op->verbose) |
| printf("[r%c] ", (0x80 & alp[2]) ? 'o' : 'w'); |
| if (op->verbose > 3) |
| pr2serr("%s: id=0x%x, len=%d, anip->format=%d, anip->len=%d\n", |
| __func__, id, len, anip->format, anip->len); |
| switch (id) { |
| case 0x224: /* logical position of first encrypted block */ |
| k = all_ffs_or_last_fe(alp + 5, len - 5); |
| if (1 == k) |
| printf("<unknown> [ff]\n"); |
| else if (2 == k) |
| printf("<unknown [fe]>\n"); |
| else { |
| if ((len - 5) <= 8) |
| printf("%" PRIx64, sg_get_unaligned_be(len - 5, alp + 5)); |
| else { |
| printf("\n"); |
| dStrHex((const char *)(alp + 5), len - 5, 0); |
| } |
| } |
| break; |
| case 0x225: /* logical position of first unencrypted block |
| * after first encrypted block */ |
| k = all_ffs_or_last_fe(alp + 5, len - 5); |
| if (1 == k) |
| printf("<unknown> [ff]\n"); |
| else if (2 == k) |
| printf("<unknown [fe]>\n"); |
| else { |
| if ((len - 5) <= 8) |
| printf("%" PRIx64, sg_get_unaligned_be(len - 5, alp + 5)); |
| else { |
| printf("\n"); |
| dStrHex((const char *)(alp + 5), len - 5, 0); |
| } |
| } |
| break; |
| case 0x340: /* Medium Usage history */ |
| ucp = alp + 5; |
| printf("\n"); |
| if ((len - 5) < 90) { |
| pr2serr("%s: expected 90 bytes, got %d\n", __func__, len - 5); |
| break; |
| } |
| printf(" Current amount of data written [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 0)); |
| printf(" Current write retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 6)); |
| printf(" Current amount of data read [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 12)); |
| printf(" Current read retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 18)); |
| printf(" Previous amount of data written [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 24)); |
| printf(" Previous write retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 30)); |
| printf(" Previous amount of data read [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 36)); |
| printf(" Previous read retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 42)); |
| printf(" Total amount of data written [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 48)); |
| printf(" Total write retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 54)); |
| printf(" Total amount of data read [MiB]: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 60)); |
| printf(" Total read retry count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 66)); |
| printf(" Load count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 72)); |
| printf(" Total change partition count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 78)); |
| printf(" Total partition initialization count: %" PRIu64 "\n", |
| sg_get_unaligned_be48(ucp + 84)); |
| break; |
| case 0x341: /* Partition Usage history */ |
| ucp = alp + 5; |
| printf("\n"); |
| if ((len - 5) < 60) { |
| pr2serr("%s: expected 60 bytes, got %d\n", __func__, len - 5); |
| break; |
| } |
| printf(" Current amount of data written [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 0)); |
| printf(" Current write retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 4)); |
| printf(" Current amount of data read [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 8)); |
| printf(" Current read retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 12)); |
| printf(" Previous amount of data written [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 16)); |
| printf(" Previous write retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 20)); |
| printf(" Previous amount of data read [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 24)); |
| printf(" Previous read retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 28)); |
| printf(" Total amount of data written [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 32)); |
| printf(" Total write retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 36)); |
| printf(" Total amount of data read [MiB]: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 40)); |
| printf(" Total read retry count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 44)); |
| printf(" Load count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 48)); |
| printf(" change partition count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 52)); |
| printf(" partition initialization count: %" PRIu32 "\n", |
| sg_get_unaligned_be32(ucp + 56)); |
| break; |
| default: |
| pr2serr("%s: unknown attribute id: 0x%x\n", __func__, id); |
| printf(" In hex:\n"); |
| dStrHex((const char *)alp, len, 0); |
| break; |
| } |
| } |
| |
| static void |
| decode_attr_vals(const unsigned char * alp, int len, const struct opts_t * op) |
| { |
| int bump, id, alen; |
| uint64_t ull; |
| char * cp; |
| char * c2p; |
| const struct attr_name_info_t * anip; |
| char b[160]; |
| |
| if (op->verbose) |
| printf("Attribute values: [len=%d]\n", len); |
| else if (op->filter < 0) { |
| if (0 == op->quiet) |
| printf("Attribute values:\n"); |
| if (op->do_hex) { /* only expect -HH to get through here */ |
| dStrHex((const char *)alp, len, 0); |
| return; |
| } |
| } |
| for ( ; len > 4; alp += bump, len -= bump) { |
| id = sg_get_unaligned_be16(alp + 0); |
| bump = sg_get_unaligned_be16(alp + 3) + 5; |
| alen = bump - 5; |
| if ((op->filter >= 0) && (op->filter != id)) { |
| if (id < op->filter) |
| continue; |
| else |
| break; /* Assume array is ascending id order */ |
| } |
| anip = NULL; |
| cp = attr_id_lookup(id, &anip, sizeof(b), b); |
| if (op->quiet < 2) { |
| c2p = strchr(cp, '\t'); |
| if (c2p) { |
| printf(" %.*s -\n", (int)(c2p - cp), cp); |
| printf(" %s: ", c2p + 1); |
| } else |
| printf(" %s: ", cp); |
| } |
| if (op->verbose) |
| printf("[r%c] ", (0x80 & alp[2]) ? 'o' : 'w'); |
| if (anip) { |
| if ((RA_FMT_BINARY == anip->format) && (bump <= 13)) { |
| ull = sg_get_unaligned_be(alen, alp + 5); |
| if (0 == anip->process) |
| printf("%" PRIu64 "\n", ull); |
| else if (1 == anip->process) |
| printf("0x%" PRIx64 "\n", ull); |
| else |
| helper_full_attr(alp, bump, id, anip, op); |
| if (op->verbose) { |
| if ((anip->len > 0) && (alen > 0) && (alen != anip->len)) |
| printf(" <<< T10 length (%d) differs from length in " |
| "response (%d) >>>\n", anip->len, alen); |
| } |
| } else if (RA_FMT_BINARY == anip->format) { |
| if (2 == anip->process) |
| helper_full_attr(alp, bump, id, anip, op); |
| else { |
| printf("\n"); |
| dStrHex((const char *)(alp + 5), alen, 0); |
| } |
| } else { |
| if (2 == anip->process) |
| helper_full_attr(alp, bump, id, anip, op); |
| else { |
| printf("%.*s\n", alen, alp + 5); |
| if (op->verbose) { |
| if ((anip->len > 0) && (alen > 0) && |
| (alen != anip->len)) |
| printf(" <<< T10 length (%d) differs from length " |
| "in response (%d) >>>\n", anip->len, alen); |
| } |
| } |
| } |
| } else { |
| if (op->verbose > 1) |
| printf("Attribute id lookup failed, in hex:\n"); |
| else |
| printf("\n"); |
| dStrHex((const char *)(alp + 5), alen, 0); |
| } |
| } |
| if (op->verbose && (len > 0) && (len <= 4)) |
| pr2serr("warning: iterate of attributes should end a residual of " |
| "%d\n", len); |
| } |
| |
| static void |
| decode_all_sa_s(const unsigned char * rabp, int len, const struct opts_t * op) |
| { |
| if (op->do_hex && (2 != op->do_hex)) { |
| dStrHex((const char *)rabp, len, ((1 == op->do_hex) ? 1 : -1)); |
| return; |
| } |
| switch (op->sa) { |
| case RA_ATTR_VAL_SA: |
| decode_attr_vals(rabp + 4, len - 4, op); |
| break; |
| case RA_ATTR_LIST_SA: |
| decode_attr_list(rabp + 4, len - 4, false, op); |
| break; |
| case RA_LV_LIST_SA: |
| if ((0 == op->quiet) || op->verbose) |
| printf("Logical volume list:\n"); |
| if (len < 4) { |
| pr2serr(">>> response length unexpectedly short: %d bytes\n", |
| len); |
| break; |
| } |
| printf(" First logical volume number: %u\n", rabp[2]); |
| printf(" Number of logical volumes available: %u\n", rabp[3]); |
| break; |
| case RA_PART_LIST_SA: |
| if ((0 == op->quiet) || op->verbose) |
| printf("Partition number list:\n"); |
| if (len < 4) { |
| pr2serr(">>> response length unexpectedly short: %d bytes\n", |
| len); |
| break; |
| } |
| printf(" First partition number: %u\n", rabp[2]); |
| printf(" Number of partitions available: %u\n", rabp[3]); |
| break; |
| case RA_SMC2_SA: |
| printf("Used by SMC-2, not information, output in hex:\n"); |
| dStrHex((const char *)rabp, len, 0); |
| break; |
| case RA_SUP_ATTR_SA: |
| decode_attr_list(rabp + 4, len - 4, true, op); |
| break; |
| default: |
| printf("Unrecognized service action [0x%x], response in hex:\n", |
| op->sa); |
| dStrHex((const char *)rabp, len, 0); |
| break; |
| } |
| } |
| |
| int |
| main(int argc, char * argv[]) |
| { |
| int sg_fd, res, c, len, resid, rlen, in_len; |
| unsigned int ra_len; |
| int ret = 0; |
| const char * device_name = NULL; |
| const char * fname = NULL; |
| unsigned char * rabp = NULL; |
| struct opts_t opts; |
| struct opts_t * op; |
| char b[80]; |
| |
| op = &opts; |
| memset(op, 0, sizeof(opts)); |
| op->filter = -1; |
| while (1) { |
| int option_index = 0; |
| |
| c = getopt_long(argc, argv, "ceE:f:F:hHi:l:m:p:qrRs:vV", |
| long_options, &option_index); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case 'c': |
| ++op->cache; |
| break; |
| case 'e': |
| ++op->enumerate; |
| break; |
| case 'E': |
| op->ea = sg_get_num(optarg); |
| if ((op->ea < 0) || (op->ea > 65535)) { |
| pr2serr("bad argument to '--ea=EA', expect 0 to 65535\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'f': |
| op->filter = sg_get_num(optarg); |
| if ((op->filter < -3) || (op->filter > 65535)) { |
| pr2serr("bad argument to '--filter=FL', expect -3 to " |
| "65535\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'F': |
| op->fai = sg_get_num(optarg); |
| if ((op->fai < 0) || (op->fai > 65535)) { |
| pr2serr("bad argument to '--first=FAI', expect 0 to 65535\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'h': |
| case '?': |
| usage(); |
| return 0; |
| case 'H': |
| ++op->do_hex; |
| break; |
| case 'i': |
| fname = optarg; |
| break; |
| case 'l': |
| op->lvn = sg_get_num(optarg); |
| if ((op->lvn < 0) || (op->lvn > 255)) { |
| pr2serr("bad argument to '--lvn=LVN', expect 0 to 255\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'm': |
| op->maxlen = sg_get_num(optarg); |
| if ((op->maxlen < 0) || (op->maxlen > MAX_RATTR_BUFF_LEN)) { |
| pr2serr("argument to '--maxlen' should be %d or " |
| "less\n", MAX_RATTR_BUFF_LEN); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'p': |
| op->pn = sg_get_num(optarg); |
| if ((op->pn < 0) || (op->pn > 255)) { |
| pr2serr("bad argument to '--pn=PN', expect 0 to 255\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| break; |
| case 'q': |
| ++op->quiet; |
| break; |
| case 'r': |
| ++op->do_raw; |
| break; |
| case 'R': |
| ++op->o_readonly; |
| break; |
| case 's': |
| if (isdigit(*optarg)) { |
| op->sa = sg_get_num(optarg); |
| if ((op->sa < 0) || (op->sa > 63)) { |
| pr2serr("bad argument to '--sa=SA', expect 0 to 63\n"); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| } else { |
| res = find_sa_acron(optarg); |
| if (res < 0) { |
| enum_sa_acrons(); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| op->sa = res; |
| } |
| break; |
| case 'v': |
| ++op->verbose; |
| break; |
| case 'V': |
| pr2serr("version: %s\n", version_str); |
| return 0; |
| 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->enumerate) { |
| enum_attributes(); |
| printf("\n"); |
| enum_sa_acrons(); |
| return 0; |
| } |
| |
| if (fname && device_name) { |
| pr2serr("since '--in=FN' given, ignoring DEVICE\n"); |
| device_name = NULL; |
| } |
| |
| if (0 == op->maxlen) |
| op->maxlen = DEF_RATTR_BUFF_LEN; |
| rabp = (unsigned char *)calloc(1, op->maxlen); |
| if (NULL == rabp) { |
| pr2serr("unable to calloc %d bytes\n", op->maxlen); |
| return SG_LIB_CAT_OTHER; |
| } |
| |
| if (NULL == device_name) { |
| if (fname) { |
| if (f2hex_arr(fname, op->do_raw, 0, rabp, &in_len, op->maxlen)) |
| return SG_LIB_FILE_ERROR; |
| if (op->do_raw) |
| op->do_raw = 0; /* can interfere on decode */ |
| if (in_len < 4) { |
| pr2serr("--in=%s only decoded %d bytes (needs 4 at least)\n", |
| fname, in_len); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| decode_all_sa_s(rabp, in_len, op); |
| goto clean_up; |
| } |
| pr2serr("missing device name!\n"); |
| usage(); |
| return SG_LIB_SYNTAX_ERROR; |
| } |
| |
| if (op->do_raw) { |
| if (sg_set_binary_mode(STDOUT_FILENO) < 0) { |
| perror("sg_set_binary_mode"); |
| return SG_LIB_FILE_ERROR; |
| } |
| } |
| |
| sg_fd = sg_cmds_open_device(device_name, op->o_readonly, op->verbose); |
| if (sg_fd < 0) { |
| pr2serr("open error: %s: %s\n", device_name, |
| safe_strerror(-sg_fd)); |
| return SG_LIB_FILE_ERROR; |
| } |
| |
| res = sg_ll_read_attr(sg_fd, rabp, &resid, op); |
| ret = res; |
| if (0 == res) { |
| rlen = op->maxlen - resid; |
| if (rlen < 4) { |
| pr2serr("Response length (%d) too short\n", rlen); |
| ret = SG_LIB_CAT_MALFORMED; |
| goto close_then_end; |
| } |
| if ((op->sa <= RA_HIGHEST_SA) && (op->sa != RA_SMC2_SA)) { |
| ra_len = ((RA_LV_LIST_SA == op->sa) || |
| (RA_PART_LIST_SA == op->sa)) ? |
| (unsigned int)sg_get_unaligned_be16(rabp + 0) : |
| sg_get_unaligned_be32(rabp + 0) + 2; |
| ra_len += 2; |
| } else |
| ra_len = rlen; |
| if ((int)ra_len > rlen) { |
| if (op->verbose) |
| pr2serr("ra_len available is %d, response length is %d\n", |
| ra_len, rlen); |
| len = rlen; |
| } else |
| len = (int)ra_len; |
| if (op->do_raw) { |
| dStrRaw((const char *)rabp, len); |
| goto close_then_end; |
| } |
| decode_all_sa_s(rabp, len, op); |
| } else if (SG_LIB_CAT_INVALID_OP == res) |
| pr2serr("Read attribute command not supported\n"); |
| else { |
| sg_get_category_sense_str(res, sizeof(b), b, op->verbose); |
| pr2serr("Read attribute command: %s\n", b); |
| } |
| |
| close_then_end: |
| res = sg_cmds_close_device(sg_fd); |
| if (res < 0) { |
| pr2serr("close error: %s\n", safe_strerror(-res)); |
| if (0 == ret) |
| ret = SG_LIB_FILE_ERROR; |
| } |
| clean_up: |
| if (rabp) |
| free(rabp); |
| return (ret >= 0) ? ret : SG_LIB_CAT_OTHER; |
| } |
