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|
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include "sg_include.h"
#include "sg_lib.h"
#include "sg_cmds.h"
/* A utility program for the Linux OS SCSI generic ("sg") device driver.
* Copyright (C) 2000-2005 D. Gilbert
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
This program outputs information provided by a SCSI MODE SENSE command.
Does 10 byte MODE SENSE commands by default, Trent Piepho added a "-6"
switch for force 6 byte mode sense commands.
*/
static char * version_str = "1.10 20050904";
#define ME "sg_modes: "
#define MX_ALLOC_LEN (1024 * 4)
#define PG_CODE_ALL 0x3f
#define PG_CODE_MASK 0x3f
#define PG_CODE_MAX 0x3f
#define SPG_CODE_ALL 0xff
#define PROTO_SPECIFIC_1 0x18
#define PROTO_SPECIFIC_2 0x19
#define EBUFF_SZ 256
static const char * scsi_ptype_strs[] = {
"disk", /* 0x0 */
"tape",
"printer",
"processor",
"write once optical disk",
"cd/dvd",
"scanner",
"optical memory device",
"medium changer", /* 0x8 */
"communications",
"graphics [0xa]",
"graphics [0xb]",
"storage array controller",
"enclosure services device",
"simplified direct access device",
"optical card reader/writer device",
"bridge controller commands", /* 0x10 */
"object storage device",
"automation/drive interface",
"0x13", "0x14", "0x15", "0x16", "0x17", "0x18",
"0x19", "0x1a", "0x1b", "0x1c", "0x1d",
"well known logical unit",
"no physical device on this lu",
};
static const char * get_ptype_str(int scsi_ptype)
{
int num = sizeof(scsi_ptype_strs) / sizeof(scsi_ptype_strs[0]);
return (scsi_ptype < num) ? scsi_ptype_strs[scsi_ptype] : "";
}
static const char * transport_proto_arr[] =
{
"Fibre Channel (FCP-2)",
"Parallel SCSI (SPI-4)",
"SSA (SSA-S3P)",
"IEEE 1394 (SBP-3)",
"Remote Direct Memory Access (SRP)",
"Internet SCSI (iSCSI)",
"Serial Attached SCSI (SAS)",
"Automation/Drive Interface (ADT)",
"ATA Packet Interface (ATA/ATAPI-7)",
"Ox9", "Oxa", "Oxb", "Oxc", "Oxd", "Oxe",
"No specific protocol"
};
struct page_code_desc {
int page_code;
int subpage_code;
const char * desc;
};
static struct page_code_desc pc_desc_common[] = {
{0x0, 0x0, "Unit Attention condition [vendor: page format optional]"},
{0x2, 0x0, "Disconnect-Reconnect"},
{0x9, 0x0, "Peripheral device (obsolete)"},
{0xa, 0x0, "Control"},
{0xa, 0x1, "Control extension"},
{0x15, 0x0, "Extended"},
{0x16, 0x0, "Extended device-type specific"},
{0x18, 0x0, "Protocol specific lu"},
{0x19, 0x0, "Protocol specific port"},
{0x1a, 0x0, "Power condition"},
{0x1c, 0x0, "Informational exceptions control"},
{PG_CODE_ALL, 0x0, "[yields all supported pages]"},
{PG_CODE_ALL, SPG_CODE_ALL, "[yields all supported pages and subpages]"},
};
static struct page_code_desc pc_desc_disk[] = {
{0x1, 0x0, "Read-Write error recovery"},
{0x3, 0x0, "Format (obsolete)"},
{0x4, 0x0, "Rigid disk geometry (obsolete)"},
{0x5, 0x0, "Flexible geometry (obsolete)"},
{0x7, 0x0, "Verify error recovery"},
{0x8, 0x0, "Caching"},
{0xa, 0xf1, "Parallel ATA control (SAT)"},
{0xa, 0xf2, "Reserved (SATA control) (SAT)"},
{0xb, 0x0, "Medium types supported (obsolete)"},
{0xc, 0x0, "Notch and partition (obsolete)"},
{0xd, 0x0, "Power condition (obsolete, moved to 0x1a)"},
{0x10, 0x0, "XOR control"},
{0x1c, 0x1, "Background control"},
};
static struct page_code_desc pc_desc_tape[] = {
{0xf, 0x0, "Data Compression"},
{0x10, 0x0, "Device configation"},
{0x10, 0x1, "Device configation extension"},
{0x11, 0x0, "Medium Partition [1]"},
{0x12, 0x0, "Medium Partition [2]"},
{0x13, 0x0, "Medium Partition [3]"},
{0x14, 0x0, "Medium Partition [4]"},
{0x1c, 0x0, "Informational exceptions control (tape version)"},
{0x1d, 0x0, "Medium configuration"},
};
static struct page_code_desc pc_desc_cddvd[] = {
{0x1, 0x0, "Read-Write error recovery"},
{0x3, 0x0, "MRW"},
{0x5, 0x0, "Write parameters"},
{0x7, 0x0, "Verify error recovery"},
{0x8, 0x0, "Caching"},
{0xd, 0x0, "CD device parameters (obsolete)"},
{0xe, 0x0, "CD audio"},
{0x1a, 0x0, "Power condition (mmc)"},
{0x1c, 0x0, "Fault/failure reporting control (mmc)"},
{0x1d, 0x0, "Timeout and protect"},
{0x2a, 0x0, "MM capabilities and mechanical status (obsolete)"},
};
static struct page_code_desc pc_desc_smc[] = {
{0x1d, 0x0, "Element address assignment"},
{0x1e, 0x0, "Transport geometry parameters"},
{0x1f, 0x0, "Device capabilities"},
{0x1f, 0x1, "Extended device capabilities"},
};
static struct page_code_desc pc_desc_scc[] = {
{0x1b, 0x0, "LUN mapping"},
};
static struct page_code_desc pc_desc_ses[] = {
{0x14, 0x0, "Enclosure services management"},
};
static struct page_code_desc pc_desc_rbc[] = {
{0x6, 0x0, "RBC device parameters"},
};
static struct page_code_desc pc_desc_adt[] = {
{0xe, 0x0, "ADC device configuration"},
{0xe, 0x1, "Target device"},
{0xe, 0x2, "DT device primary port"},
{0xe, 0x3, "Logical unit"},
{0xe, 0x4, "Target device serial number"},
};
static struct page_code_desc * mode_page_cs_table(int scsi_ptype,
int * size)
{
switch (scsi_ptype)
{
case -1: /* common list */
*size = sizeof(pc_desc_common) / sizeof(pc_desc_common[0]);
return &pc_desc_common[0];
case 0: /* disk (direct access) type devices */
case 4:
case 7:
*size = sizeof(pc_desc_disk) / sizeof(pc_desc_disk[0]);
return &pc_desc_disk[0];
case 1: /* tape devices */
case 2:
*size = sizeof(pc_desc_tape) / sizeof(pc_desc_tape[0]);
return &pc_desc_tape[0];
case 5: /* cd/dvd devices */
*size = sizeof(pc_desc_cddvd) / sizeof(pc_desc_cddvd[0]);
return &pc_desc_cddvd[0];
case 8: /* medium changer devices */
*size = sizeof(pc_desc_smc) / sizeof(pc_desc_smc[0]);
return &pc_desc_smc[0];
case 0xc: /* storage array devices */
*size = sizeof(pc_desc_scc) / sizeof(pc_desc_scc[0]);
return &pc_desc_scc[0];
case 0xd: /* enclosure services devices */
*size = sizeof(pc_desc_ses) / sizeof(pc_desc_ses[0]);
return &pc_desc_ses[0];
case 0xe: /* simplified direct access device */
*size = sizeof(pc_desc_rbc) / sizeof(pc_desc_rbc[0]);
return &pc_desc_rbc[0];
case 0x12: /* automation device/interface */
*size = sizeof(pc_desc_adt) / sizeof(pc_desc_adt[0]);
return &pc_desc_adt[0];
}
*size = 0;
return NULL;
}
static struct page_code_desc pc_desc_t_fcp[] = {
{0x18, 0x0, "LU control"},
{0x19, 0x0, "Port control"},
};
static struct page_code_desc pc_desc_t_spi4[] = {
{0x18, 0x0, "LU control"},
{0x19, 0x0, "Port control short format"},
{0x19, 0x1, "Margin control"},
{0x19, 0x2, "Saved training configuration value"},
{0x19, 0x3, "Negotiated settings"},
{0x19, 0x4, "Report transfer capabilities"},
};
static struct page_code_desc pc_desc_t_sas[] = {
{0x18, 0x0, "LU SSP, short format"},
{0x19, 0x0, "Port SSP, short format"},
{0x19, 0x1, "Port SSP, phy control and discover"},
};
static struct page_code_desc pc_desc_t_adt[] = {
{0xe, 0x1, "Target device"},
{0xe, 0x2, "DT device primary port"},
{0xe, 0x3, "Logical unit"},
{0x18, 0x0, "Protocol specific lu"},
{0x19, 0x0, "Protocol specific port"},
};
static struct page_code_desc * mode_page_transp_table(int t_proto,
int * size)
{
switch (t_proto)
{
case 0: /* Fibre channel */
*size = sizeof(pc_desc_t_fcp) / sizeof(pc_desc_t_fcp[0]);
return &pc_desc_t_fcp[0];
case 1: /* SPI-4 */
*size = sizeof(pc_desc_t_spi4) / sizeof(pc_desc_t_spi4[0]);
return &pc_desc_t_spi4[0];
case 6: /* SAS-1.1 */
*size = sizeof(pc_desc_t_sas) / sizeof(pc_desc_t_sas[0]);
return &pc_desc_t_sas[0];
case 7: /* ADT/ADC */
*size = sizeof(pc_desc_t_adt) / sizeof(pc_desc_t_adt[0]);
return &pc_desc_t_adt[0];
}
*size = 0;
return NULL;
}
static const char * find_page_code_desc(int page_num, int subpage_num,
int scsi_ptype, int inq_byte6,
int t_proto)
{
int k;
int num;
const struct page_code_desc * pcdp;
if (t_proto >= 0) {
pcdp = mode_page_transp_table(t_proto, &num);
if (pcdp) {
for (k = 0; k < num; ++k, ++pcdp) {
if ((page_num == pcdp->page_code) &&
(subpage_num == pcdp->subpage_code))
return pcdp->desc;
else if (page_num < pcdp->page_code)
break;
}
}
}
pcdp = mode_page_cs_table(scsi_ptype, &num);
if (pcdp) {
for (k = 0; k < num; ++k, ++pcdp) {
if ((page_num == pcdp->page_code) &&
(subpage_num == pcdp->subpage_code))
return pcdp->desc;
else if (page_num < pcdp->page_code)
break;
}
}
if ((0xd != scsi_ptype) && (inq_byte6 & 0x40)) {
/* check for attached enclosure services processor */
pcdp = mode_page_cs_table(0xd, &num);
if (pcdp) {
for (k = 0; k < num; ++k, ++pcdp) {
if ((page_num == pcdp->page_code) &&
(subpage_num == pcdp->subpage_code))
return pcdp->desc;
else if (page_num < pcdp->page_code)
break;
}
}
}
if ((0x8 != scsi_ptype) && (inq_byte6 & 0x8)) {
/* check for attached medium changer device */
pcdp = mode_page_cs_table(0x8, &num);
if (pcdp) {
for (k = 0; k < num; ++k, ++pcdp) {
if ((page_num == pcdp->page_code) &&
(subpage_num == pcdp->subpage_code))
return pcdp->desc;
else if (page_num < pcdp->page_code)
break;
}
}
}
pcdp = mode_page_cs_table(-1, &num);
for (k = 0; k < num; ++k, ++pcdp) {
if ((page_num == pcdp->page_code) &&
(subpage_num == pcdp->subpage_code))
return pcdp->desc;
else if (page_num < pcdp->page_code)
break;
}
return NULL;
}
static void list_page_codes(int scsi_ptype, int inq_byte6, int t_proto)
{
int num, num_ptype, pg, spg, c, d, valid_transport;
const struct page_code_desc * dp;
const struct page_code_desc * pe_dp;
valid_transport = ((t_proto >= 0) && (t_proto <= 0xf)) ? 1 : 0;
printf("Page[,subpage] Name\n");
printf("=====================\n");
dp = mode_page_cs_table(-1, &num);
pe_dp = mode_page_cs_table(scsi_ptype, &num_ptype);
while (1) {
pg = dp ? dp->page_code : PG_CODE_ALL + 1;
spg = dp ? dp->subpage_code : SPG_CODE_ALL;
c = (pg << 8) + spg;
pg = pe_dp ? pe_dp->page_code : PG_CODE_ALL + 1;
spg = pe_dp ? pe_dp->subpage_code : SPG_CODE_ALL;
d = (pg << 8) + spg;
if (valid_transport &&
((PROTO_SPECIFIC_1 == c) || (PROTO_SPECIFIC_2 == c)))
dp = (--num <= 0) ? NULL : (dp + 1); /* skip protocol specific */
else if (c == d) {
if (pe_dp->subpage_code)
printf(" 0x%02x,0x%02x * %s\n", pe_dp->page_code,
pe_dp->subpage_code, pe_dp->desc);
else
printf(" 0x%02x * %s\n", pe_dp->page_code,
pe_dp->desc);
dp = (--num <= 0) ? NULL : (dp + 1);
pe_dp = (--num_ptype <= 0) ? NULL : (pe_dp + 1);
} else if (c < d) {
if (dp->subpage_code)
printf(" 0x%02x,0x%02x %s\n", dp->page_code,
dp->subpage_code, dp->desc);
else
printf(" 0x%02x %s\n", dp->page_code,
dp->desc);
dp = (--num <= 0) ? NULL : (dp + 1);
} else {
if (pe_dp->subpage_code)
printf(" 0x%02x,0x%02x %s\n", pe_dp->page_code,
pe_dp->subpage_code, pe_dp->desc);
else
printf(" 0x%02x %s\n", pe_dp->page_code,
pe_dp->desc);
pe_dp = (--num_ptype <= 0) ? NULL : (pe_dp + 1);
}
if ((NULL == dp) && (NULL == pe_dp))
break;
}
if ((0xd != scsi_ptype) && (inq_byte6 & 0x40)) {
/* check for attached enclosure services processor */
printf("\n Attached enclosure services processor\n");
dp = mode_page_cs_table(0xd, &num);
while (dp) {
if (dp->subpage_code)
printf(" 0x%02x,0x%02x %s\n", dp->page_code,
dp->subpage_code, dp->desc);
else
printf(" 0x%02x %s\n", dp->page_code,
dp->desc);
dp = (--num <= 0) ? NULL : (dp + 1);
}
}
if ((0x8 != scsi_ptype) && (inq_byte6 & 0x8)) {
/* check for attached medium changer device */
printf("\n Attached medium changer device\n");
dp = mode_page_cs_table(0x8, &num);
while (dp) {
if (dp->subpage_code)
printf(" 0x%02x,0x%02x %s\n", dp->page_code,
dp->subpage_code, dp->desc);
else
printf(" 0x%02x %s\n", dp->page_code,
dp->desc);
dp = (--num <= 0) ? NULL : (dp + 1);
}
}
if (valid_transport) {
printf("\n Transport protocol: %s\n",
transport_proto_arr[t_proto]);
dp = mode_page_transp_table(t_proto, &num);
while (dp) {
if (dp->subpage_code)
printf(" 0x%02x,0x%02x %s\n", dp->page_code,
dp->subpage_code, dp->desc);
else
printf(" 0x%02x %s\n", dp->page_code,
dp->desc);
dp = (--num <= 0) ? NULL : (dp + 1);
}
}
}
static const char * pg_control_str_arr[] = {
"current",
"changeable",
"default",
"saved",
};
static void usage()
{
printf("Usage: sg_modes [-a] [-A] [-c=<page_control] [-d] [-D] [-f] [-h] "
"[-H] [-l]\n\t\t"
" [-L] [-p=<page_number>[,<sub_page_code>]] [-r]"
"\n\t\t [-subp=<sub_page_code>] [-v] [-V] [-6] [<scsi_device>]\n"
" where -a get all mode pages supported by device\n"
" -A get all mode pages and subpages supported by device\n"
" -c=<page_control> page control (def: 0 [current],"
" 1 [changeable],\n 2 [default], 3 [saved])\n"
" -d disable block descriptors (DBD field in cdb)\n"
" -D disable block descriptor output\n"
" -f be flexible, cope with MODE SENSE 6/10 response "
"mixup\n");
printf(" -h output page number and header in hex\n"
" -H output page number and header in hex (same as '-h')\n"
" -l list common page codes for device peripheral type,\n"
" if no device given then assume disk type\n"
" -L set Long LBA Accepted (LLBAA field in mode sense "
"10 cdb)\n"
" -p=<page_code> page code in hex (def: 0)\n"
" -p=<page_code>,<sub_page_code> both in hex, (defs: 0)\n"
" -r mode page output to stdout, a byte per line in "
"ASCII hex\n"
" -subp=<sub_page_code> (in hex, def: 0)\n"
" -v verbose\n"
" -V output version string\n"
" -6 Use MODE SENSE(6), by default uses MODE SENSE(10)\n"
" -? output this usage message\n\n"
"Performs a SCSI MODE SENSE commmand\n");
}
int main(int argc, char * argv[])
{
int sg_fd, k, num, len, res, md_len, bd_len, longlba, page_num, spf;
const char * file_name = 0;
char ebuff[EBUFF_SZ];
const char * descp;
const char * cp;
unsigned char rsp_buff[MX_ALLOC_LEN];
int rsp_buff_size = MX_ALLOC_LEN;
unsigned int u, uu;
int pg_code = -1;
int sub_pg_code = 0;
int sub_pg_code_set = 0;
int pc = 0;
int do_all = 0;
int do_all_sub = 0;
int do_dbd = 0;
int no_desc_out = 0;
int flexible = 0;
int do_hex = 0;
int do_llbaa = 0;
int do_mode6 = 0; /* Use MODE SENSE(6) instead of MODE SENSE(10) */
int do_list = 0;
int do_raw = 0;
int do_verbose = 0;
int oflags = O_RDONLY | O_NONBLOCK;
int density_code_off, t_proto, inq_pdt, inq_byte6, resp_mode6;
int num_ua_pages, plen, jmp_out;
unsigned char * ucp;
unsigned char uc;
struct sg_simple_inquiry_resp inq_out;
for (k = 1; k < argc; ++k) {
cp = argv[k];
plen = strlen(cp);
if (plen <= 0)
continue;
if ('-' == *cp) {
for (--plen, ++cp, jmp_out = 0; plen > 0; --plen, ++cp) {
switch (*cp) {
case '6':
do_mode6 = 1;
break;
case 'a':
do_all = 1;
break;
case 'A':
do_all = 1;
do_all_sub = 1;
break;
case 'd':
do_dbd = 1;
break;
case 'D':
no_desc_out = 1;
break;
case 'f':
flexible = 1;
break;
case 'h':
case 'H':
do_hex = 1;
break;
case 'l':
do_list = 1;
break;
case 'L':
do_llbaa = 1;
break;
case 'r':
do_raw = 1;
break;
case 'v':
++do_verbose;
break;
case 'V':
fprintf(stderr, "Version string: %s\n", version_str);
exit(0);
case '?':
usage();
return 1;
default:
jmp_out = 1;
break;
}
if (jmp_out)
break;
}
if (plen <= 0)
continue;
if (0 == strncmp("c=", cp, 2)) {
num = sscanf(cp + 2, "%x", &u);
if ((1 != num) || (u > 3)) {
fprintf(stderr, "Bad page control after 'c=' option\n");
usage();
return 1;
}
pc = u;
} else if (0 == strncmp("p=", cp, 2)) {
if (NULL == strchr(cp + 2, ',')) {
num = sscanf(cp + 2, "%x", &u);
if ((1 != num) || (u > 63)) {
fprintf(stderr, "Bad page code value after 'p=' "
"option\n");
usage();
return 1;
}
pg_code = u;
} else if (2 == sscanf(cp + 2, "%x,%x", &u, &uu)) {
if (uu > 255) {
fprintf(stderr, "Bad sub page code value after 'p=' "
"option\n");
usage();
return 1;
}
pg_code = u;
sub_pg_code = uu;
sub_pg_code_set = 1;
} else {
fprintf(stderr, "Bad page code, subpage code sequence "
"after 'p=' option\n");
usage();
return 1;
}
} else if (0 == strncmp("subp=", cp, 5)) {
num = sscanf(cp + 5, "%x", &u);
if ((1 != num) || (u > 255)) {
fprintf(stderr, "Bad sub page code after 'subp=' "
"option\n");
usage();
return 1;
}
sub_pg_code = u;
sub_pg_code_set = 1;
if (-1 == pg_code)
pg_code = 0;
} else if (jmp_out) {
fprintf(stderr, "Unrecognized option: %s\n", cp);
usage();
return 1;
}
} else if (0 == file_name)
file_name = cp;
else {
fprintf(stderr, "too many arguments, got: %s, not expecting: "
"%s\n", file_name, cp);
usage();
return 1;
}
}
if (0 == file_name) {
if (do_list) {
if ((pg_code < 0) || (pg_code > 0x1f)) {
printf(" Assume peripheral device type: disk\n");
list_page_codes(0, 0, -1);
} else {
printf(" peripheral device type: %s\n",
get_ptype_str(pg_code));
if (sub_pg_code_set)
list_page_codes(pg_code, 0, sub_pg_code);
else
list_page_codes(pg_code, 0, -1);
}
return 0;
}
fprintf(stderr, "No <scsi_device> argument given\n");
usage();
return 1;
}
/* The 6 bytes command only allows up to 252 bytes of response data */
if (do_mode6) {
if (do_llbaa) {
fprintf(stderr, "LLBAA not defined for MODE SENSE 6, try "
"without '-L'\n");
return 1;
}
rsp_buff_size = 252;
}
/* If no pages or list selected than treat as 'a' */
if (! ((pg_code >= 0) || do_all || do_list))
do_all = 1;
if ((sg_fd = open(file_name, oflags)) < 0) {
snprintf(ebuff, EBUFF_SZ, ME "error opening file: %s", file_name);
perror(ebuff);
return 1;
}
if (sg_simple_inquiry(sg_fd, &inq_out, 1, do_verbose)) {
fprintf(stderr, ME "%s doesn't respond to a SCSI INQUIRY\n",
file_name);
close(sg_fd);
return 1;
}
inq_pdt = inq_out.peripheral_type;
inq_byte6 = inq_out.byte_6;
if (0 == do_raw)
printf(" %.8s %.16s %.4s peripheral_type: %s [0x%x]\n",
inq_out.vendor, inq_out.product, inq_out.revision,
get_ptype_str(inq_pdt), inq_pdt);
if (do_list) {
if (sub_pg_code_set)
list_page_codes(inq_pdt, inq_pdt, sub_pg_code);
else
list_page_codes(inq_pdt, inq_pdt, -1);
return 0;
}
if (PG_CODE_ALL == pg_code)
do_all = 1;
else if (do_all)
pg_code = PG_CODE_ALL;
if (do_all && do_all_sub)
sub_pg_code = SPG_CODE_ALL;
if (do_raw) {
if (do_all) {
fprintf(stderr, "'-r' requires a given (sub)page (not all)\n");
usage();
return 1;
}
if (do_hex) {
fprintf(stderr, "'-r' and '-h' clash");
usage();
return 1;
}
}
memset(rsp_buff, 0, sizeof(rsp_buff));
if (do_mode6) {
res = sg_ll_mode_sense6(sg_fd, do_dbd, pc, pg_code, sub_pg_code,
rsp_buff, rsp_buff_size, 1, do_verbose);
if (SG_LIB_CAT_INVALID_OP == res)
fprintf(stderr, ">>>>>> try again without the '-6' "
"switch for a 10 byte MODE SENSE command\n");
else if (SG_LIB_CAT_ILLEGAL_REQ == res)
fprintf(stderr, "bad field in cdb (perhaps subpages "
"or page control (PC) not supported)\n");
} else {
res = sg_ll_mode_sense10(sg_fd, do_llbaa, do_dbd, pc, pg_code,
sub_pg_code, rsp_buff, rsp_buff_size, 1,
do_verbose);
if (SG_LIB_CAT_INVALID_OP == res)
fprintf(stderr, ">>>>>> try again with a '-6' "
"switch for a 6 byte MODE SENSE command\n");
else if (SG_LIB_CAT_ILLEGAL_REQ == res)
fprintf(stderr, "bad field in cdb (perhaps subpages "
"or page control (PC) not supported)\n");
}
if (0 == res) {
int medium_type, specific, headerlen;
resp_mode6 = do_mode6;
if (flexible) {
num = rsp_buff[0];
if (do_mode6 && (num < 3))
resp_mode6 = 0;
if ((0 == do_mode6) && (num > 5)) {
if ((num > 11) && (0 == (num % 2)) && (0 == rsp_buff[4]) &&
(0 == rsp_buff[5]) && (0 == rsp_buff[6])) {
rsp_buff[1] = num;
rsp_buff[0] = 0;
fprintf(stderr, ">>> msense(10) but resp[0]=%d and "
"not msense(6) response so fix length\n", num);
} else
resp_mode6 = 1;
}
}
if (! do_raw) {
if (resp_mode6 == do_mode6)
printf("Mode parameter header from %s byte MODE SENSE:\n",
(do_mode6 ? "6" : "10"));
else
printf(" >>> Mode parameter header from %s byte MODE "
"SENSE,\n decoded as %s byte response:\n",
(do_mode6 ? "6" : "10"), (resp_mode6 ? "6" : "10"));
}
if (resp_mode6) {
headerlen = 4;
md_len = rsp_buff[0] + 1;
bd_len = rsp_buff[3];
medium_type = rsp_buff[1];
specific = rsp_buff[2];
longlba = 0;
} else {
headerlen = 8;
md_len = (rsp_buff[0] << 8) + rsp_buff[1] + 2;
bd_len = (rsp_buff[6] << 8) + rsp_buff[7];
medium_type = rsp_buff[2];
specific = rsp_buff[3];
longlba = rsp_buff[4] & 1;
}
if (do_raw) {
ucp = rsp_buff + bd_len + headerlen;
md_len -= bd_len + headerlen;
spf = ((ucp[0] & 0x40) ? 1 : 0);
len = (spf ? ((ucp[2] << 8) + ucp[3] + 4) : (ucp[1] + 2));
len = (len < md_len) ? len : md_len;
for (k = 0; k < len; ++k)
printf("%02x\n", ucp[k]);
close(sg_fd);
return 0;
}
if (do_hex)
dStrHex((const char *)rsp_buff, headerlen, 1);
if (0 == inq_pdt)
printf(" Mode data length=%d, medium type=0x%.2x, WP=%d,"
" DpoFua=%d, longlba=%d\n", md_len, medium_type,
!!(specific & 0x80), !!(specific & 0x10), longlba);
else
printf(" Mode data length=%d, medium type=0x%.2x, specific"
" param=0x%.2x, longlba=%d\n", md_len, medium_type,
specific, longlba);
if (md_len > rsp_buff_size) {
printf("Only fetched %d bytes of response, truncate output\n",
rsp_buff_size);
md_len = rsp_buff_size;
if (bd_len + headerlen > rsp_buff_size)
bd_len = rsp_buff_size - headerlen;
}
if (! no_desc_out) {
printf(" Block descriptor length=%d\n", bd_len);
if (bd_len > 0) {
len = 8;
density_code_off = 0;
num = bd_len;
if (longlba) {
printf("> longlba block descriptors:\n");
len = 16;
density_code_off = 8;
}
else if (0 == inq_pdt) {
printf("> Direct access device block descriptors:\n");
density_code_off = 4;
}
else
printf("> General mode parameter block descriptors:\n");
ucp = rsp_buff + headerlen;
while (num > 0) {
printf(" Density code=0x%x\n", *(ucp + density_code_off));
dStrHex((const char *)ucp, len, 1);
ucp += len;
num -= len;
}
printf("\n");
}
}
ucp = rsp_buff + bd_len + headerlen; /* start of mode page(s) */
md_len -= bd_len + headerlen; /* length of mode page(s) */
num_ua_pages = 0;
for (k = 0; md_len > 0; ++k) { /* got mode page(s) */
if ((k > 0) && (! do_all) && (SPG_CODE_ALL != sub_pg_code)) {
fprintf(stderr, "Unexpectedly received extra mode page "
"responses, ignore\n");
break;
}
uc = *ucp;
spf = ((uc & 0x40) ? 1 : 0);
len = (spf ? ((ucp[2] << 8) + ucp[3] + 4) : (ucp[1] + 2));
page_num = ucp[0] & PG_CODE_MASK;
if (0x0 == page_num) {
++num_ua_pages;
if((num_ua_pages > 3) && (md_len > 0xa00)) {
fprintf(stderr, ">>> Seen 3 unit attention pages "
"(only one should be at end)\n and mpage "
"length=%d, looks malformed, try '-f' option\n",
md_len);
break;
}
}
if (do_hex) {
if (spf)
printf(">> page_code=0x%x, subpage_code=0x%x, "
"page_control=%d\n", page_num, ucp[1], pc);
else
printf(">> page_code=0x%x, page_control=%d\n", page_num,
pc);
} else {
descp = NULL;
if ((0x18 == page_num) || (0x19 == page_num)) {
t_proto = (spf ? ucp[5] : ucp[2]) & 0xf;
descp = find_page_code_desc(page_num, (spf ? ucp[1] : 0),
inq_pdt, inq_byte6, t_proto);
} else
descp = find_page_code_desc(page_num, (spf ? ucp[1] : 0),
inq_pdt, inq_byte6, -1);
if (NULL == descp) {
if (spf)
snprintf(ebuff, EBUFF_SZ, "0x%x, subpage_code: 0x%x",
page_num, ucp[1]);
else
snprintf(ebuff, EBUFF_SZ, "0x%x", page_num);
}
if (descp)
printf(">> %s, page_control: %s\n", descp,
pg_control_str_arr[pc]);
else
printf(">> page_code: %s, page_control: %s\n", ebuff,
pg_control_str_arr[pc]);
}
num = (len > md_len) ? md_len : len;
if ((k > 0) && (num > 256)) {
num = 256;
fprintf(stderr, ">>> page length (%d) > 256 bytes, unlikely "
"trim\n Try '-f' option\n", len);
}
dStrHex((const char *)ucp, num , 1);
ucp += len;
md_len -= len;
}
}
close(sg_fd);
return 0;
}
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