/* Invokes a SCSI LOG SELECT command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_log_select(int sg_fd, int pcr, int sp, int pc, int pg_code,
int subpg_code, unsigned char * paramp, int param_len,
int noisy, int verbose)
{
static const char * const cdb_name_s = "log select";
int res, ret, k, sense_cat;
unsigned char logs_cdb[LOG_SELECT_CMDLEN] =
{LOG_SELECT_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if (param_len > 0xffff) {
pr2ws("%s: param_len too big\n", cdb_name_s);
return -1;
}
logs_cdb[1] = (unsigned char)((pcr ? 2 : 0) | (sp ? 1 : 0));
logs_cdb[2] = (unsigned char)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
logs_cdb[3] = (unsigned char)(subpg_code & 0xff);
sg_put_unaligned_be16((int16_t)param_len, logs_cdb + 7);
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < LOG_SELECT_CMDLEN; ++k)
pr2ws("%02x ", logs_cdb[k]);
pr2ws("\n");
}
if ((verbose > 1) && (param_len > 0)) {
pr2ws(" %s parameter list\n", cdb_name_s);
dStrHexErr((const char *)paramp, param_len, -1);
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, logs_cdb, sizeof(logs_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_out(ptvp, paramp, param_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy,
verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI SYNCHRONIZE CACHE (10) command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_sync_cache_10(int sg_fd, int sync_nv, int immed, int group,
unsigned int lba, unsigned int count, int noisy,
int verbose)
{
static const char * const cdb_name_s = "synchronize cache(10)";
int res, ret, k, sense_cat;
unsigned char sc_cdb[SYNCHRONIZE_CACHE_CMDLEN] =
{SYNCHRONIZE_CACHE_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if (sync_nv)
sc_cdb[1] |= 4;
if (immed)
sc_cdb[1] |= 2;
sg_put_unaligned_be32((uint32_t)lba, sc_cdb + 2);
sc_cdb[6] = group & 0x1f;
if (count > 0xffff) {
pr2ws("count too big\n");
return -1;
}
sg_put_unaligned_be16((int16_t)count, sc_cdb + 7);
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < SYNCHRONIZE_CACHE_CMDLEN; ++k)
pr2ws("%02x ", sc_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, sc_cdb, sizeof(sc_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy,
verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI MODE SELECT (10) command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors,
* v2 adds rtd (revert to defaults) bit (spc5r11). */
int
sg_ll_mode_select10_v2(int sg_fd, bool pf, bool rtd, bool sp, void * paramp,
int param_len, bool noisy, int verbose)
{
static const char * const cdb_s = "mode select(10)";
int res, ret, k, sense_cat;
uint8_t modes_cdb[MODE_SELECT10_CMDLEN] =
{MODE_SELECT10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
modes_cdb[1] = (uint8_t)((pf ? 0x10 : 0x0) | (sp ? 0x1 : 0x0));
if (rtd)
modes_cdb[1] |= 0x2;
sg_put_unaligned_be16((int16_t)param_len, modes_cdb + 7);
if (param_len > 0xffff) {
pr2ws("%s: param_len too big\n", cdb_s);
return -1;
}
if (verbose) {
pr2ws(" %s cdb: ", cdb_s);
for (k = 0; k < MODE_SELECT10_CMDLEN; ++k)
pr2ws("%02x ", modes_cdb[k]);
pr2ws("\n");
}
if (verbose > 1) {
pr2ws(" %s parameter list\n", cdb_s);
hex2stderr((const uint8_t *)paramp, param_len, -1);
}
if (NULL == ((ptvp = create_pt_obj(cdb_s))))
return -1;
set_scsi_pt_cdb(ptvp, modes_cdb, sizeof(modes_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_out(ptvp, (uint8_t *)paramp, param_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
if (-1 == ret)
ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI MODE SELECT (6) command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_mode_select6(int sg_fd, int pf, int sp, void * paramp, int param_len,
int noisy, int verbose)
{
static const char * const cdb_name_s = "mode select(6)";
int res, ret, k, sense_cat;
unsigned char modes_cdb[MODE_SELECT6_CMDLEN] =
{MODE_SELECT6_CMD, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
modes_cdb[1] = (unsigned char)(((pf << 4) & 0x10) | (sp & 0x1));
modes_cdb[4] = (unsigned char)(param_len & 0xff);
if (param_len > 0xff) {
pr2ws("%s: param_len too big\n", cdb_name_s);
return -1;
}
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < MODE_SELECT6_CMDLEN; ++k)
pr2ws("%02x ", modes_cdb[k]);
pr2ws("\n");
}
if (verbose > 1) {
pr2ws(" %s parameter list\n", cdb_name_s);
dStrHexErr((const char *)paramp, param_len, -1);
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, modes_cdb, sizeof(modes_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_out(ptvp, (unsigned char *)paramp, param_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy,
verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI READ CAPACITY (16) command. Returns 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_readcap_16(int sg_fd, int pmi, uint64_t llba, void * resp,
int mx_resp_len, int noisy, int verbose)
{
static const char * const cdb_name_s = "read capacity(16)";
int k, ret, res, sense_cat;
unsigned char rc_cdb[SERVICE_ACTION_IN_16_CMDLEN] =
{SERVICE_ACTION_IN_16_CMD, READ_CAPACITY_16_SA,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if (pmi) { /* lbs only valid when pmi set */
rc_cdb[14] |= 1;
sg_put_unaligned_be64(llba, rc_cdb + 2);
}
/* Allocation length, no guidance in SBC-2 rev 15b */
sg_put_unaligned_be32((uint32_t)mx_resp_len, rc_cdb + 10);
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < SERVICE_ACTION_IN_16_CMDLEN; ++k)
pr2ws("%02x ", rc_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, rc_cdb, sizeof(rc_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, mx_resp_len, sense_b,
noisy, verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI PREVENT ALLOW MEDIUM REMOVAL command
* [was in SPC-3 but displaced from SPC-4 into SBC-3, MMC-5, SSC-3]
* prevent==0 allows removal, prevent==1 prevents removal ...
* Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_prevent_allow(int sg_fd, int prevent, int noisy, int verbose)
{
static const char * const cdb_name_s = "prevent allow medium removal";
int k, res, ret, sense_cat;
unsigned char p_cdb[PREVENT_ALLOW_CMDLEN] =
{PREVENT_ALLOW_CMD, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if ((prevent < 0) || (prevent > 3)) {
pr2ws("prevent argument should be 0, 1, 2 or 3\n");
return -1;
}
p_cdb[4] |= (prevent & 0x3);
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < PREVENT_ALLOW_CMDLEN; ++k)
pr2ws("%02x ", p_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, p_cdb, sizeof(p_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy,
verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI START STOP UNIT command (SBC + MMC).
* Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors.
* SBC-3 and MMC partially overlap on the power_condition_modifier(sbc) and
* format_layer_number(mmc) fields. They also overlap on the noflush(sbc)
* and fl(mmc) one bit field. This is the cause of the awkardly named
* pc_mod__fl_num and noflush__fl arguments to this function.
* */
int
sg_ll_start_stop_unit(int sg_fd, int immed, int pc_mod__fl_num,
int power_cond, int noflush__fl, int loej, int start,
int noisy, int verbose)
{
static const char * const cdb_name_s = "start stop unit";
int k, res, ret, sense_cat;
struct sg_pt_base * ptvp;
unsigned char ssuBlk[START_STOP_CMDLEN] = {START_STOP_CMD, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
ssuBlk[1] = immed & 1;
ssuBlk[3] = pc_mod__fl_num & 0xf; /* bits 2 and 3 are reserved in MMC */
ssuBlk[4] = ((power_cond & 0xf) << 4) | (noflush__fl ? 0x4 : 0) |
(loej ? 0x2 : 0) | (start ? 0x1 : 0);
if (verbose) {
pr2ws(" %s command:", cdb_name_s);
for (k = 0; k < (int)sizeof(ssuBlk); ++k)
pr2ws(" %02x", ssuBlk[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, ssuBlk, sizeof(ssuBlk));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
res = do_scsi_pt(ptvp, sg_fd, START_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, 0, sense_b, noisy,
verbose, &sense_cat);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI READ CAPACITY (10) command. Returns 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_readcap_10(int sg_fd, bool pmi, unsigned int lba, void * resp,
int mx_resp_len, bool noisy, int verbose)
{
static const char * const cdb_s = "read capacity(10)";
int k, ret, res, sense_cat;
uint8_t rc_cdb[READ_CAPACITY_10_CMDLEN] =
{READ_CAPACITY_10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if (pmi) { /* lbs only valid when pmi set */
rc_cdb[8] |= 1;
sg_put_unaligned_be32((uint32_t)lba, rc_cdb + 2);
}
if (verbose) {
pr2ws(" %s cdb: ", cdb_s);
for (k = 0; k < READ_CAPACITY_10_CMDLEN; ++k)
pr2ws("%02x ", rc_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_s))))
return -1;
set_scsi_pt_cdb(ptvp, rc_cdb, sizeof(rc_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_in(ptvp, (uint8_t *)resp, mx_resp_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_s, res, noisy, verbose, &sense_cat);
if (-1 == ret)
ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else
ret = 0;
destruct_scsi_pt_obj(ptvp);
return ret;
}
/* Invokes a SCSI LOG SENSE command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_log_sense(int sg_fd, int ppc, int sp, int pc, int pg_code,
int subpg_code, int paramp, unsigned char * resp,
int mx_resp_len, int noisy, int verbose)
{
static const char * const cdb_name_s = "log sense";
int res, ret, k, sense_cat, resid;
unsigned char logs_cdb[LOG_SENSE_CMDLEN] =
{LOG_SENSE_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
if (mx_resp_len > 0xffff) {
pr2ws("mx_resp_len too big\n");
return -1;
}
logs_cdb[1] = (unsigned char)((ppc ? 2 : 0) | (sp ? 1 : 0));
logs_cdb[2] = (unsigned char)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
logs_cdb[3] = (unsigned char)(subpg_code & 0xff);
sg_put_unaligned_be16((int16_t)paramp, logs_cdb + 5);
sg_put_unaligned_be16((int16_t)mx_resp_len, logs_cdb + 7);
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < LOG_SENSE_CMDLEN; ++k)
pr2ws("%02x ", logs_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, logs_cdb, sizeof(logs_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_in(ptvp, resp, mx_resp_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, mx_resp_len,
sense_b, noisy, verbose, &sense_cat);
resid = get_scsi_pt_resid(ptvp);
destruct_scsi_pt_obj(ptvp);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else {
if ((mx_resp_len > 3) && (ret < 4)) {
/* resid indicates LOG SENSE response length bad, so zero it */
resp[2] = 0;
resp[3] = 0;
}
ret = 0;
}
if (resid > 0) {
if (resid > mx_resp_len) {
pr2ws("%s: resid (%d) should never exceed requested len=%d\n",
cdb_name_s, resid, mx_resp_len);
return ret ? ret : SG_LIB_CAT_MALFORMED;
}
/* zero unfilled section of response buffer */
memset((unsigned char *)resp + (mx_resp_len - resid), 0, resid);
}
return ret;
}
/* Invokes a SCSI MODE SENSE (10) command. Return of 0 -> success,
* various SG_LIB_CAT_* positive values or -1 -> other errors */
int
sg_ll_mode_sense10(int sg_fd, int llbaa, int dbd, int pc, int pg_code,
int sub_pg_code, void * resp, int mx_resp_len,
int noisy, int verbose)
{
static const char * const cdb_name_s = "mode sense(10)";
int res, ret, k, sense_cat, resid;
unsigned char modes_cdb[MODE_SENSE10_CMDLEN] =
{MODE_SENSE10_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char sense_b[SENSE_BUFF_LEN];
struct sg_pt_base * ptvp;
modes_cdb[1] = (unsigned char)((dbd ? 0x8 : 0) | (llbaa ? 0x10 : 0));
modes_cdb[2] = (unsigned char)(((pc << 6) & 0xc0) | (pg_code & 0x3f));
modes_cdb[3] = (unsigned char)(sub_pg_code & 0xff);
sg_put_unaligned_be16((int16_t)mx_resp_len, modes_cdb + 7);
if (mx_resp_len > 0xffff) {
pr2ws("mx_resp_len too big\n");
return -1;
}
if (verbose) {
pr2ws(" %s cdb: ", cdb_name_s);
for (k = 0; k < MODE_SENSE10_CMDLEN; ++k)
pr2ws("%02x ", modes_cdb[k]);
pr2ws("\n");
}
if (NULL == ((ptvp = create_pt_obj(cdb_name_s))))
return -1;
set_scsi_pt_cdb(ptvp, modes_cdb, sizeof(modes_cdb));
set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
ret = sg_cmds_process_resp(ptvp, cdb_name_s, res, mx_resp_len, sense_b,
noisy, verbose, &sense_cat);
resid = get_scsi_pt_resid(ptvp);
destruct_scsi_pt_obj(ptvp);
if (-1 == ret)
;
else if (-2 == ret) {
switch (sense_cat) {
case SG_LIB_CAT_RECOVERED:
case SG_LIB_CAT_NO_SENSE:
ret = 0;
break;
default:
ret = sense_cat;
break;
}
} else {
if ((verbose > 2) && (ret > 0)) {
pr2ws(" %s: response", cdb_name_s);
if (3 == verbose) {
pr2ws("%s:\n", (ret > 256 ? ", first 256 bytes" : ""));
dStrHexErr((const char *)resp, (ret > 256 ? 256 : ret), -1);
} else {
pr2ws(":\n");
dStrHexErr((const char *)resp, ret, 0);
}
}
ret = 0;
}
if (resid > 0) {
if (resid > mx_resp_len) {
pr2ws("%s: resid (%d) should never exceed requested len=%d\n",
cdb_name_s, resid, mx_resp_len);
return ret ? ret : SG_LIB_CAT_MALFORMED;
}
/* zero unfilled section of response buffer */
memset((unsigned char *)resp + (mx_resp_len - resid), 0, resid);
}
return ret;
}
