/*
* Copyright (c) 1998,1999,2000
* Traakan, Inc., Los Altos, CA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Project: NDMJOB
* Ident: $Id: $
*
* Description:
*
*/
#include "ndmagents.h"
#ifndef NDMOS_OPTION_NO_ROBOT_AGENT
#ifdef NDMOS_OPTION_ROBOT_SIMULATOR
#include "scsiconst.h"
#define ROBOT_CONTROLLER 0
#define ROBOT_ID 7
#define ROBOT_LUN 1
/*
* interface
*/
int
ndmos_scsi_initialize (struct ndm_session *sess)
{
struct ndm_robot_agent * ra = &sess->robot_acb;
NDMOS_MACRO_ZEROFILL(&ra->sim_dir);
NDMOS_MACRO_ZEROFILL(&ra->scsi_state);
ra->scsi_state.error = NDMP9_DEV_NOT_OPEN_ERR;
ra->scsi_state.target_controller = ROBOT_CONTROLLER;
ra->scsi_state.target_id = ROBOT_ID;
ra->scsi_state.target_lun = ROBOT_LUN;
return 0;
}
void
ndmos_scsi_sync_state (struct ndm_session *sess)
{
}
ndmp9_error
ndmos_scsi_open (struct ndm_session *sess, char *name)
{
struct stat st;
struct ndm_robot_agent * ra = &sess->robot_acb;
if (!name || strlen(name) > sizeof(ra->sim_dir)-1)
return NDMP9_NO_DEVICE_ERR;
/* check that it's a directory */
if (stat (name, &st) < 0)
return NDMP9_NO_DEVICE_ERR;
if (!S_ISDIR(st.st_mode))
return NDMP9_NO_DEVICE_ERR;
strncpy(ra->sim_dir, name, sizeof(ra->sim_dir)-1);
ra->scsi_state.error = NDMP9_NO_ERR;
return NDMP9_NO_ERR;
}
ndmp9_error
ndmos_scsi_close (struct ndm_session *sess)
{
ndmos_scsi_initialize(sess);
return NDMP9_NO_ERR;
}
/* deprecated */
ndmp9_error
ndmos_scsi_set_target (struct ndm_session *sess)
{
return NDMP9_NOT_SUPPORTED_ERR;
}
ndmp9_error
ndmos_scsi_reset_device (struct ndm_session *sess)
{
struct ndm_robot_agent * ra = &sess->robot_acb;
/* this is easy.. */
return ra->scsi_state.error;
}
/* deprecated */
ndmp9_error
ndmos_scsi_reset_bus (struct ndm_session *sess)
{
return NDMP9_NOT_SUPPORTED_ERR;
}
/*
* Robot state management
****************************************************************
*/
/* xxx_FIRST must be in order! */
#define IE_FIRST 0
#define IE_COUNT 2
#define MTE_FIRST 16
#define MTE_COUNT 1
#define DTE_FIRST 128
#define DTE_COUNT 2
#define STORAGE_FIRST 1024
#define STORAGE_COUNT 10
#if (IE_FIRST+IE_COUNT > MTE_FIRST) \
|| (MTE_FIRST+MTE_COUNT > DTE_FIRST) \
|| (DTE_FIRST+MTE_COUNT > STORAGE_FIRST)
#error element addresses overlap or are in the wrong order
#endif
#define IS_IE_ADDR(a) ((a) >= IE_FIRST && (a) < IE_FIRST+IE_COUNT)
#define IS_MTE_ADDR(a) ((a) >= MTE_FIRST && (a) < MTE_FIRST+MTE_COUNT)
#define IS_DTE_ADDR(a) ((a) >= DTE_FIRST && (a) < DTE_FIRST+DTE_COUNT)
#define IS_STORAGE_ADDR(a) ((a) >= STORAGE_FIRST && (a) < STORAGE_FIRST+STORAGE_COUNT)
struct element_state {
int full;
int medium_type;
int source_element;
char pvoltag[32];
char avoltag[32];
};
struct robot_state {
struct element_state mte[MTE_COUNT];
struct element_state storage[STORAGE_COUNT];
struct element_state ie[IE_COUNT];
struct element_state dte[DTE_COUNT];
};
static void
robot_state_init(struct robot_state *rs)
{
int i;
/* invent some nice data, with some nice voltags and whatnot */
NDMOS_API_BZERO(rs, sizeof(*rs));
/* (nothing to do for MTEs) */
for (i = 0; i < STORAGE_COUNT; i++) {
struct element_state *es = &rs->storage[i];
es->full = 1;
es->medium_type = 1; /* data */
es->source_element = 0;
snprintf(es->pvoltag, sizeof(es->pvoltag), "PTAG%02XXX ", i);
snprintf(es->avoltag, sizeof(es->avoltag), "ATAG%02XXX ", i);
}
/* (i/e are all empty) */
/* (dte's are all empty) */
}
static void
robot_state_load(struct ndm_session *sess, struct robot_state *rs)
{
int fd;
char filename[PATH_MAX];
/* N.B. writing a struct to disk like this isn't portable, but this
* is test code, so it's OK for now. */
snprintf(filename, sizeof filename, "%s/state", sess->robot_acb.sim_dir);
fd = open(filename, O_RDONLY, 0666);
if (fd < 0) {
robot_state_init(rs);
return;
}
if (read(fd, (void *)rs, sizeof(*rs)) < sizeof(*rs)) {
robot_state_init(rs);
close(fd);
return;
}
close(fd);
}
static int
robot_state_save(struct ndm_session *sess, struct robot_state *rs)
{
int fd;
char filename[PATH_MAX];
/* N.B. writing a struct to disk like this isn't portable, but this
* is test code, so it's OK for now. */
snprintf(filename, sizeof filename, "%s/state", sess->robot_acb.sim_dir);
fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0666);
if (fd < 0)
return -1;
if (write(fd, (void *)rs, sizeof(*rs)) < sizeof(*rs)) {
close(fd);
return -1;
}
close(fd);
return 0;
}
static int
robot_state_move(struct ndm_session *sess, struct robot_state *rs, int src, int dest)
{
char src_filename[PATH_MAX];
struct element_state *src_elt;
char dest_filename[PATH_MAX];
struct element_state *dest_elt;
struct stat st;
char pos[PATH_MAX];
/* TODO: audit that the tape device is not using this volume right now */
ndmalogf(sess, 0, 3, "moving medium from %d to %d", src, dest);
if (IS_IE_ADDR(src)) {
src_elt = &rs->ie[src - IE_FIRST];
snprintf(src_filename, sizeof(src_filename), "%s/ie%d",
sess->robot_acb.sim_dir, src - IE_FIRST);
} else if (IS_DTE_ADDR(src)) {
src_elt = &rs->dte[src - DTE_FIRST];
snprintf(src_filename, sizeof(src_filename), "%s/drive%d",
sess->robot_acb.sim_dir, src - DTE_FIRST);
} else if (IS_STORAGE_ADDR(src)) {
src_elt = &rs->storage[src - STORAGE_FIRST];
snprintf(src_filename, sizeof(src_filename), "%s/slot%d",
sess->robot_acb.sim_dir, src - STORAGE_FIRST);
} else {
ndmalogf(sess, 0, 3, "invalid src address %d", src);
return -1;
}
if (IS_IE_ADDR(dest)) {
dest_elt = &rs->ie[dest - IE_FIRST];
snprintf(dest_filename, sizeof(dest_filename), "%s/ie%d",
sess->robot_acb.sim_dir, dest - IE_FIRST);
} else if (IS_DTE_ADDR(dest)) {
dest_elt = &rs->dte[dest - DTE_FIRST];
snprintf(dest_filename, sizeof(dest_filename), "%s/drive%d",
sess->robot_acb.sim_dir, dest - DTE_FIRST);
} else if (IS_STORAGE_ADDR(dest)) {
dest_elt = &rs->storage[dest - STORAGE_FIRST];
snprintf(dest_filename, sizeof(dest_filename), "%s/slot%d",
sess->robot_acb.sim_dir, dest - STORAGE_FIRST);
} else {
ndmalogf(sess, 0, 3, "invalid dst address %d", src);
return -1;
}
if (!src_elt->full) {
ndmalogf(sess, 0, 3, "src not full");
return -1;
}
if (dest_elt->full) {
ndmalogf(sess, 0, 3, "dest full");
return -1;
}
/* OK, enough checking, let's do it */
/* delete the destination, if it exists */
if (stat (dest_filename, &st) >= 0) {
ndmalogf(sess, 0, 3, "unlink %s", dest_filename);
if (unlink(dest_filename) < 0) {
ndmalogf(sess, 0, 0, "error unlinking: %s", strerror(errno));
return -1;
}
}
/* and move the source if it exists */
if (stat (src_filename, &st) >= 0) {
ndmalogf(sess, 0, 3, "move %s to %s", src_filename, dest_filename);
if (rename(src_filename, dest_filename) < 0) {
ndmalogf(sess, 0, 0, "error renaming: %s", strerror(errno));
return -1;
}
} else {
/* otherwise touch the destination file */
ndmalogf(sess, 0, 3, "touch %s", dest_filename);
int fd = open(dest_filename, O_CREAT | O_WRONLY, 0666);
if (fd < 0) {
ndmalogf(sess, 0, 0, "error touching: %s", strerror(errno));
return -1;
}
close(fd);
}
/* blow away any tape-drive .pos files */
snprintf(pos, sizeof(pos), "%s.pos", src_filename);
unlink(pos); /* ignore errors */
snprintf(pos, sizeof(pos), "%s.pos", dest_filename);
unlink(pos); /* ignore errors */
/* update state */
*dest_elt = *src_elt;
ndmalogf(sess, 0, 3, "setting dest's source_element to %d", src);
dest_elt->source_element = src;
src_elt->full = 0;
ndmalogf(sess, 0, 3, "move successful");
return 0;
}
/*
* SCSI commands
****************************************************************
*/
/*
* Utilities
*/
static ndmp9_error
scsi_fail_with_sense_code(struct ndm_session *sess,
ndmp9_execute_cdb_reply *reply,
int status, int sense_key, int asq)
{
unsigned char ext_sense[] = {
0x72, /* current errors */
sense_key & SCSI_SENSE_SENSE_KEY_MASK,
(asq >> 8) & 0xff,
(asq ) & 0xff,
0,
0,
0,
0 };
ndmalogf(sess, 0, 3, "sending failure; status=0x%02x sense_key=0x%02x asq=0x%04x",
status, sense_key, asq);
reply->status = status;
reply->ext_sense.ext_sense_len = sizeof(ext_sense);
reply->ext_sense.ext_sense_val = NDMOS_API_MALLOC(sizeof(ext_sense));
NDMOS_API_BCOPY(ext_sense, reply->ext_sense.ext_sense_val, sizeof(ext_sense));
return NDMP9_NO_ERR;
}
/*
* Command implementations
*/
static ndmp9_error
execute_cdb_test_unit_ready (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
unsigned char *cdb = (unsigned char *)request->cdb.cdb_val;
char *response;
int response_len;
char *p;
if (request->cdb.cdb_len != 6)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
/* yep, we're ready! */
return NDMP9_NO_ERR;
}
static ndmp9_error
execute_cdb_inquiry (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
unsigned char *cdb = (unsigned char *)request->cdb.cdb_val;
char *response;
int response_len;
char *p;
/* N.B.: only page code 0 is supported */
if (request->cdb.cdb_len != 6
|| request->data_dir != NDMP9_SCSI_DATA_DIR_IN
|| cdb[1] & 0x01
|| cdb[2] != 0
|| request->datain_len < 96
|| ((cdb[3] << 8) + cdb[4]) < 96)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
response_len = 96;
p = response = NDMOS_API_MALLOC(response_len);
NDMOS_API_BZERO(response, response_len);
*(p++) = 0x08; /* media changer */
*(p++) = 0; /* RMB=0 */
*(p++) = 6; /* VERSION=SPC-4 */
*(p++) = 2; /* !NORMACA, !HISUP, RESPONSE DATA FORMAT = 2 */
*(p++) = 92; /* remaining bytes */
*(p++) = 0; /* lots of flags, all 0 */
*(p++) = 0; /* lots of flags, all 0 */
*(p++) = 0; /* lots of flags, all 0 */
NDMOS_API_BCOPY("NDMJOB ", p, 8); p += 8;
NDMOS_API_BCOPY("FakeRobot ", p, 16); p += 16;
NDMOS_API_BCOPY("1.0 ", p, 4); p += 4;
/* remainder is zero */
reply->datain.datain_len = response_len;
reply->datain.datain_val = response;
return NDMP9_NO_ERR;
}
static ndmp9_error
execute_cdb_mode_sense_6 (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
unsigned char *cdb = (unsigned char *)request->cdb.cdb_val;
int page, subpage;
char *response;
int response_len;
char *p;
if (request->cdb.cdb_len != 6
|| request->data_dir != NDMP9_SCSI_DATA_DIR_IN)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
page = cdb[2] & 0x3f;
subpage = cdb[3];
switch ((page << 8) + subpage) {
case 0x1D00: /* Element Address Assignment */
if (request->datain_len < 20 || cdb[4] < 20)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
response_len = 24;
p = response = NDMOS_API_MALLOC(response_len);
NDMOS_API_BZERO(response, response_len);
*(p++) = response_len;
*(p++) = 0; /* reserved medium type */
*(p++) = 0; /* reserved device-specific parameter */
*(p++) = 0; /* block descriptor length (DBD = 0 above)*/
*(p++) = 0x1D; /* page code */
*(p++) = 18; /* remaining bytes */
*(p++) = (MTE_FIRST >> 8) & 0xff;
*(p++) = MTE_FIRST & 0xff;
*(p++) = (MTE_COUNT >> 8) & 0xff;
*(p++) = MTE_COUNT & 0xff;
*(p++) = (STORAGE_FIRST >> 8) & 0xff;
*(p++) = STORAGE_FIRST & 0xff;
*(p++) = (STORAGE_COUNT >> 8) & 0xff;
*(p++) = STORAGE_COUNT & 0xff;
*(p++) = (IE_FIRST >> 8) & 0xff;
*(p++) = IE_FIRST & 0xff;
*(p++) = (IE_COUNT >> 8) & 0xff;
*(p++) = IE_COUNT & 0xff;
*(p++) = (DTE_FIRST >> 8) & 0xff;
*(p++) = DTE_FIRST & 0xff;
*(p++) = (DTE_COUNT >> 8) & 0xff;
*(p++) = DTE_COUNT & 0xff;
/* remainder is zero */
break;
default:
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
}
reply->datain.datain_len = response_len;
reply->datain.datain_val = response;
return NDMP9_NO_ERR;
}
static ndmp9_error
execute_cdb_read_element_status (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
unsigned char *cdb = (unsigned char *)request->cdb.cdb_val;
struct robot_state rs;
int min_addr, max_elts;
char *response;
int response_len;
int required_len;
int num_elts = IE_COUNT + MTE_COUNT + DTE_COUNT + STORAGE_COUNT;
char *p;
if (request->cdb.cdb_len != 12
|| request->data_dir != NDMP9_SCSI_DATA_DIR_IN)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
min_addr = (cdb[2] << 8) + cdb[3];
max_elts = (cdb[4] << 8) + cdb[5];
response_len = (cdb[7] << 16) + (cdb[8] << 8) + cdb[9];
if (response_len < 8) {
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
}
/* this is bogus, but we don't allow "partial" status requests */
if (min_addr > IE_FIRST || max_elts < num_elts) {
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
}
robot_state_load(sess, &rs);
robot_state_save(sess, &rs);
/* calculate the total space required */
required_len = 8; /* element status data header */
if (MTE_COUNT) {
required_len += 8; /* element status page header */
required_len += 12 * MTE_COUNT; /* element status descriptor w/o tags */
}
if (STORAGE_COUNT) {
required_len += 8; /* element status page header */
required_len += 84 * STORAGE_COUNT; /* element status descriptor w/ tags */
}
if (IE_COUNT) {
required_len += 8; /* element status page header */
required_len += 84 * IE_COUNT; /* element status descriptor w/ tags */
}
if (DTE_COUNT) {
required_len += 8; /* element status page header */
required_len += 84 * DTE_COUNT; /* element status descriptor w/ tags */
}
p = response = NDMOS_API_MALLOC(response_len);
NDMOS_API_BZERO(response, response_len);
/* write the element status data header */
*(p++) = IE_FIRST >> 8; /* first element address */
*(p++) = IE_FIRST & 0xff;
*(p++) = num_elts >> 8; /* number of elements */
*(p++) = num_elts & 0xff;
*(p++) = 0; /* reserved */
*(p++) = (required_len-8) >> 16; /* remaining byte count of report */
*(p++) = ((required_len-8) >> 8) & 0xff;
*(p++) = (required_len-8) & 0xff;
/* only fill in the rest if we have space */
if (required_len <= response_len) {
int i;
struct {
int first, count, have_voltags, eltype;
int empty_flags, full_flags;
struct element_state *es;
} page[4] = {
{ IE_FIRST, IE_COUNT, 1, 3, 0x38, 0x39, &rs.ie[0] },
{ MTE_FIRST, MTE_COUNT, 0, 1, 0x00, 0x01, &rs.mte[0] },
{ DTE_FIRST, DTE_COUNT, 1, 4, 0x08, 0x81, &rs.dte[0] },
{ STORAGE_FIRST, STORAGE_COUNT, 1, 2, 0x08, 0x09, &rs.storage[0] },
};
for (i = 0; i < 4; i++) {
int descr_size = page[i].have_voltags? 84 : 12;
int totalsize = descr_size * page[i].count;
int j;
if (page[i].count == 0)
continue;
/* write the page header */
*(p++) = page[i].eltype;
*(p++) = page[i].have_voltags? 0xc0 : 0;
*(p++) = 0;
*(p++) = descr_size;
*(p++) = 0; /* reserved */
*(p++) = totalsize >> 16;
*(p++) = (totalsize >> 8) & 0xff;
*(p++) = totalsize & 0xff;
/* and write each descriptor */
for (j = 0; j < page[i].count; j++) {
int elt_addr = page[i].first + j;
int src_elt = page[i].es[j].source_element;
unsigned char byte9 = page[i].es[j].medium_type;
if (src_elt!= 0)
byte9 |= 0x80; /* SVALID */
*(p++) = elt_addr >> 8;
*(p++) = elt_addr & 0xff;
*(p++) = page[i].es[j].full?
page[i].full_flags : page[i].empty_flags;
*(p++) = 0;
*(p++) = 0;
*(p++) = 0;
*(p++) = 0;
*(p++) = 0;
*(p++) = 0;
*(p++) = byte9;
*(p++) = src_elt >> 8;
*(p++) = src_elt & 0xff;
if (page[i].have_voltags) {
int k;
if (page[i].es[j].full) {
for (k = 0; k < 32; k++) {
if (!page[i].es[j].pvoltag[k])
break;
p[k] = page[i].es[j].pvoltag[k];
}
for (k = 0; k < 32; k++) {
if (!page[i].es[j].avoltag[k])
break;
p[k+36] = page[i].es[j].avoltag[k];
}
} else {
for (k = 0; k < 32; k++) {
p[k] = p[k+36] = ' ';
}
}
p += 72;
}
}
}
}
reply->datain.datain_len = response_len;
reply->datain.datain_val = response;
return NDMP9_NO_ERR;
}
static ndmp9_error
execute_cdb_move_medium (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
unsigned char *cdb = (unsigned char *)request->cdb.cdb_val;
struct robot_state rs;
int mte, src, dest;
if (request->cdb.cdb_len != 12)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_FIELD_IN_CDB);
mte = (cdb[2] << 8) + cdb[3];
src = (cdb[4] << 8) + cdb[5];
dest = (cdb[6] << 8) + cdb[7];
if (!IS_MTE_ADDR(mte))
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_ELEMENT_ADDRESS);
robot_state_load(sess, &rs);
if (robot_state_move(sess, &rs, src, dest) < 0)
return scsi_fail_with_sense_code(sess, reply,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_KEY_ILLEGAL_REQUEST,
ASQ_INVALID_ELEMENT_ADDRESS);
robot_state_save(sess, &rs);
return NDMP9_NO_ERR;
}
static struct {
char cdb_byte;
ndmp9_error (* execute_cdb)(
struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply);
} cdb_executors[] = {
{ SCSI_CMD_TEST_UNIT_READY, execute_cdb_test_unit_ready },
{ SCSI_CMD_INQUIRY, execute_cdb_inquiry },
{ SCSI_CMD_MODE_SENSE_6, execute_cdb_mode_sense_6 },
{ SCSI_CMD_READ_ELEMENT_STATUS, execute_cdb_read_element_status },
{ SCSI_CMD_MOVE_MEDIUM, execute_cdb_move_medium },
{ 0, 0 },
};
ndmp9_error
ndmos_scsi_execute_cdb (struct ndm_session *sess,
ndmp9_execute_cdb_request *request,
ndmp9_execute_cdb_reply *reply)
{
struct ndm_robot_agent * ra = &sess->robot_acb;
char cdb_byte;
int i;
if (ra->scsi_state.error != NDMP9_NO_ERR)
return ra->scsi_state.error;
if (request->cdb.cdb_len < 1)
return NDMP9_ILLEGAL_ARGS_ERR;
cdb_byte = request->cdb.cdb_val[0];
for (i = 0; cdb_executors[i].execute_cdb; i++) {
if (cdb_executors[i].cdb_byte == cdb_byte)
return cdb_executors[i].execute_cdb(sess, request, reply);
}
return NDMP9_ILLEGAL_ARGS_ERR;
}
#endif /* NDMOS_OPTION_ROBOT_SIMULATOR */
#endif /* !NDMOS_OPTION_NO_ROBOT_AGENT */