OpenSolaris_b135/cmd/cdrw/mmc.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "transport.h"
#include "mmc.h"
#include "util.h"
#include "main.h"
int
test_unit_ready(int fd)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
/* give length of cdb structure */
scmd->uscsi_cdblen = 6;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
inquiry(int fd, uchar_t *inq)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = INQUIRY_CMD;
scmd->uscsi_cdb[4] = INQUIRY_DATA_LENGTH;
scmd->uscsi_cdblen = 6;
scmd->uscsi_bufaddr = (char *)inq;
scmd->uscsi_buflen = INQUIRY_DATA_LENGTH;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read_capacity(int fd, uchar_t *capbuf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_CAP_CMD;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)capbuf;
scmd->uscsi_buflen = 8;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
mode_sense(int fd, uchar_t pc, int dbd, int page_len, uchar_t *buffer)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_buflen = page_len;
scmd->uscsi_bufaddr = (char *)buffer;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0xa;
scmd->uscsi_cdb[0] = MODE_SENSE_10_CMD;
if (dbd) {
/* don't return any block descriptors */
scmd->uscsi_cdb[1] = 0x8;
}
/* the page code we want */
scmd->uscsi_cdb[2] = pc;
/* allocation length */
scmd->uscsi_cdb[7] = (page_len >> 8) & 0xff;
scmd->uscsi_cdb[8] = page_len & 0xff;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
mode_select(int fd, int page_len, uchar_t *buffer)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_WRITE|USCSI_SILENT;
scmd->uscsi_buflen = page_len;
scmd->uscsi_bufaddr = (char *)buffer;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0xa;
/* mode select (10) command */
scmd->uscsi_cdb[0] = MODE_SELECT_10_CMD;
scmd->uscsi_cdb[1] = 0x10;
/* parameter list length */
scmd->uscsi_cdb[7] = (page_len >> 8) & 0xff;
scmd->uscsi_cdb[8] = page_len & 0xff;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read_track_info(int fd, int trackno, uchar_t *ti)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_TRACK_CMD;
/* tell device we are giving it a track number */
scmd->uscsi_cdb[1] = 1;
/* track number to read */
if (trackno == -1)
if (device_type == CD_RW) {
((uchar_t *)scmd->uscsi_cdb)[5] = 0xff;
} else {
/* only 1 track is allowed on DVD media */
scmd->uscsi_cdb[1] = 0;
((uchar_t *)scmd->uscsi_cdb)[5] = 0;
}
else
scmd->uscsi_cdb[5] = (uchar_t)trackno;
scmd->uscsi_cdb[8] = TRACK_INFO_SIZE;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)ti;
scmd->uscsi_buflen = TRACK_INFO_SIZE;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read_toc(int fd, int format, int trackno, int buflen, uchar_t *buf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_TOC_CMD;
scmd->uscsi_cdb[2] = format & 0xf;
scmd->uscsi_cdb[6] = trackno;
scmd->uscsi_cdb[8] = buflen & 0xff;
scmd->uscsi_cdb[7] = (buflen >> 8) & 0xff;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = buflen;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
/* Fix for old SONY drives */
if ((format == 0) && (buflen == 4) && (buf[0] == 0) && (buf[1] == 2)) {
uint16_t toc_size;
toc_size = (((uint16_t)(buf[3] + 1)) * 8) + 2;
load_scsi16(buf, toc_size);
}
return (1);
}
int
read_header(int fd, uint32_t lba, uchar_t *buf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_HDR_CMD;
/* Logical block address */
load_scsi32(&scmd->uscsi_cdb[2], lba);
/* allocation length */
scmd->uscsi_cdb[8] = 8;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = 8;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read_disc_info(int fd, uchar_t *di)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_INFO_CMD;
scmd->uscsi_cdb[8] = DISC_INFO_BLOCK_SIZE;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)di;
scmd->uscsi_buflen = DISC_INFO_BLOCK_SIZE;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
/* Get information about the Logical Unit's capabilities */
int
get_configuration(int fd, uint16_t feature, int bufsize, uchar_t *buf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
/* Set OPERATION CODE in CDB */
scmd->uscsi_cdb[0] = GET_CONFIG_CMD;
/*
* Set RT field in CDB, currently need at most one
* Feature Descriptor
*/
scmd->uscsi_cdb[1] = 0x2;
/* Set Starting Feature Number in CDB */
scmd->uscsi_cdb[2] = (feature >> 8) & 0xff;
scmd->uscsi_cdb[3] = feature & 0xff;
/* Set Allocation Length in CDB */
scmd->uscsi_cdb[7] = (bufsize >> 8) & 0xff;
scmd->uscsi_cdb[8] = bufsize & 0xff;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = bufsize;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read10(int fd, uint32_t start_blk, uint16_t nblk, uchar_t *buf,
uint32_t bufsize)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = READ_10_CMD;
load_scsi32(&scmd->uscsi_cdb[2], start_blk);
scmd->uscsi_cdb[8] = nblk & 0xff;
scmd->uscsi_cdb[7] = (nblk >> 8) & 0xff;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = bufsize;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
write10(int fd, uint32_t start_blk, uint16_t nblk, uchar_t *buf,
uint32_t bufsize)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_WRITE|USCSI_SILENT;
/*
* Some DVD drives take longer to write than
* the standard time, since they tend to generate
* the media TOC on the fly when the cache is full
*/
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT * 3;
scmd->uscsi_cdb[0] = WRITE_10_CMD;
load_scsi32(&scmd->uscsi_cdb[2], start_blk);
scmd->uscsi_cdb[8] = nblk & 0xff;
scmd->uscsi_cdb[7] = (nblk >> 8) & 0xff;
scmd->uscsi_cdblen = 10;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = bufsize;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
close_track(int fd, int trackno, int close_session, int immediate)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_cdb[0] = CLOSE_TRACK_CMD;
if (immediate) {
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[1] = 1;
} else {
scmd->uscsi_timeout = 240;
}
if ((close_session) || (device_type == DVD_PLUS) ||
(device_type == DVD_PLUS_W)) {
/* close the session */
scmd->uscsi_cdb[2] = 2;
} else {
/* Close the track but leave session open */
scmd->uscsi_cdb[2] = 1;
scmd->uscsi_cdb[5] = trackno & 0xff;
}
/*
* DVD+R media are already formatted, we are using
* a special case to notify that drive to close
* track/session and null-fill the remaining space.
*/
if (device_type == DVD_PLUS) {
scmd->uscsi_cdb[5] = 1; /* only 1 track */
if (close_session) {
scmd->uscsi_cdb[2] = 6; /* session */
} else {
scmd->uscsi_cdb[2] = 1; /* track */
}
}
scmd->uscsi_cdblen = 10;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
blank_disc(int fd, int type, int immediate)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
if (immediate) {
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[1] = 0x10;
} else {
scmd->uscsi_timeout = 0x12c0;
}
((uchar_t *)scmd->uscsi_cdb)[0] = BLANK_CMD;
/* tell it to blank the last session or all of the disk */
scmd->uscsi_cdb[1] |= type & 0x07;
scmd->uscsi_cdblen = 12;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
read_cd(int fd, uint32_t start_blk, uint16_t nblk, uchar_t sector_type,
uchar_t *buf, uint32_t bufsize)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
((uchar_t *)scmd->uscsi_cdb)[0] = READ_CD_CMD;
scmd->uscsi_cdb[1] = (sector_type & 0x7) << 2;
scmd->uscsi_cdb[5] = start_blk & 0xff;
scmd->uscsi_cdb[4] = (start_blk >> 8) & 0xff;
scmd->uscsi_cdb[3] = (start_blk >> 16) & 0xff;
scmd->uscsi_cdb[2] = (start_blk >> 24) & 0xff;
scmd->uscsi_cdb[8] = nblk & 0xff;
scmd->uscsi_cdb[7] = (nblk >> 8) & 0xff;
scmd->uscsi_cdb[9] = 0x10;
scmd->uscsi_cdblen = 12;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_buflen = bufsize;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
load_unload(int fd, int load)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = START_STOP_CMD;
if (load == 0) {
/* unload medium */
scmd->uscsi_cdb[4] = 2;
} else {
/* load medium */
scmd->uscsi_cdb[4] = 3;
}
scmd->uscsi_cdblen = 6;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
prevent_allow_mr(int fd, int op)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = PREVENT_ALLOW_CMD;
if (!op) { /* prevent */
scmd->uscsi_cdb[4] = 1;
}
scmd->uscsi_cdblen = 6;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
set_cd_speed(int fd, uint16_t read_speed, uint16_t write_speed)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0xc;
((uchar_t *)scmd->uscsi_cdb)[0] = SET_CD_SPEED;
scmd->uscsi_cdb[2] = (read_speed >> 8) & 0xff;
scmd->uscsi_cdb[3] = read_speed & 0xff;
scmd->uscsi_cdb[4] = (write_speed >> 8) & 0xff;
scmd->uscsi_cdb[5] = write_speed & 0xff;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
get_performance(int fd, int get_write_performance, uchar_t *perf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_buflen = GET_PERF_DATA_LEN;
scmd->uscsi_bufaddr = (char *)perf;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0xc;
((uchar_t *)scmd->uscsi_cdb)[0] = GET_PERFORMANCE_CMD;
scmd->uscsi_cdb[1] = 0x10;
if (get_write_performance)
scmd->uscsi_cdb[1] |= 4;
scmd->uscsi_cdb[9] = 2;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
set_streaming(int fd, uchar_t *buf)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_WRITE|USCSI_SILENT;
scmd->uscsi_buflen = SET_STREAM_DATA_LEN;
scmd->uscsi_bufaddr = (char *)buf;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0xc;
((uchar_t *)scmd->uscsi_cdb)[0] = STREAM_CMD;
scmd->uscsi_cdb[10] = SET_STREAM_DATA_LEN;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
rezero_unit(int fd)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0x6;
scmd->uscsi_cdb[0] = REZERO_UNIT_CMD;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
start_stop(int fd, int start)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 0x6;
scmd->uscsi_cdb[0] = START_STOP_CMD;
if (start) {
scmd->uscsi_cdb[4] = 1;
}
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
int
flush_cache(int fd)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 10;
scmd->uscsi_cdb[0] = SYNC_CACHE_CMD;
if (device_type != CD_RW) {
scmd->uscsi_cdb[1] = 0x2; /* Immediate */
}
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
/*
* used for DVD- to reserve the size we want to write.
* This is used by the drive to generate a TOC.
*/
int
set_reservation(int fd, ulong_t size)
{
struct uscsi_cmd *scmd;
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdb[0] = SET_RESERVATION_CMD;
scmd->uscsi_cdblen = 10;
scmd->uscsi_cdb[5] = (uchar_t)(size >> 24);
scmd->uscsi_cdb[6] = (uchar_t)(size >> 16);
scmd->uscsi_cdb[7] = (uchar_t)(size >> 8);
scmd->uscsi_cdb[8] = (uchar_t)size;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
/*
* Used for DVD+RW media to prepare the disk to write.
* It will also be used for packet mode writing when
* it becomes supported.
*/
int
format_media(int fd)
{
struct uscsi_cmd *scmd;
uchar_t buf[20];
(void) memset(buf, 0, 20);
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 12;
scmd->uscsi_cdb[0] = READ_FORMAT_CAP_CMD;
scmd->uscsi_cdb[8] = 0x14; /* buffer length */
scmd->uscsi_buflen = 20;
scmd->uscsi_bufaddr = (char *)buf;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
/* RE-use cap structure */
scmd->uscsi_flags = USCSI_WRITE|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 6;
scmd->uscsi_cdb[0] = FORMAT_UNIT_CMD;
/* full format */
scmd->uscsi_cdb[1] = 0x11;
scmd->uscsi_buflen = 12;
buf[1] = 0x82; /* immediate and FOV */
buf[3] = 8; /* descriptor length */
buf[8] = 0x98; /* type = 26 DVD+RW format */
buf[10] = 0;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
return (1);
}
/*
* Prefered method of reading the media size. This is
* the only supported method on several newer drives.
*/
uint32_t
read_format_capacity(int fd, uint_t *bsize)
{
struct uscsi_cmd *scmd;
uint32_t filesize;
char buf[20];
scmd = get_uscsi_cmd();
scmd->uscsi_flags = USCSI_READ|USCSI_SILENT;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 12;
scmd->uscsi_cdb[0] = READ_FORMAT_CAP_CMD;
scmd->uscsi_cdb[8] = 0x14;
scmd->uscsi_buflen = 20;
scmd->uscsi_bufaddr = buf;
if ((uscsi_error = uscsi(fd, scmd)) < 0)
return (0);
filesize = (uint32_t)(((uchar_t)buf[4] << 24) +
((uchar_t)buf[5] << 16) + ((uchar_t)buf[6] << 8) + (uchar_t)buf[7]);
*bsize = (uint16_t)(((uchar_t)buf[10] << 8) + (uchar_t)buf[11]);
return (filesize);
}
/*
* Used to reset the device. Since, sd(7D) requires a
* command to be issued when resetting a device we will
* issue an innocuous command. The command chosen for this
* purpose is the TEST UNIT READY (TUR) command. We also do
* not care about the sucess of the TUR so we will not return
* a value.
*/
void
reset_dev(int fd)
{
struct uscsi_cmd *scmd;
/*
* Since a TUR has SCSI operation code of 0, we
* can make use of the fact that get_uscsi_cmd()
* initializes a CDB to all zeros to generate
* the TUR command.
*/
scmd = get_uscsi_cmd();
/* Tell sd(7D) to do a silent reset of the device. */
scmd->uscsi_flags = USCSI_SILENT | USCSI_RESET;
scmd->uscsi_timeout = DEFAULT_SCSI_TIMEOUT;
scmd->uscsi_cdblen = 6;
/* Issue the TUR command. */
uscsi_error = uscsi(fd, scmd);
}
/*
* Function: ftr_supported
*
* Description: Check to see if a device supports a Feature
*
* Arguments: fd - file descriptor
* feature - the MMC Feature for which we'd like to know
* if there's support
*
* Return Code: 1 - Feature is supported
* 0 - Feature is not supported
*
*/
int
ftr_supported(int fd, uint16_t feature)
{
size_t response_len;
uchar_t *bufp;
int ret;
response_len = MMC_FTR_HDR_LEN + MMC_FTR_DSCRPTR_BASE_LEN;
bufp = (uchar_t *)my_zalloc(response_len);
/*
* If a Feature is supported, a device will return a Feature Descriptor
* for that Feature, and its Current Bit will be set.
*/
if (get_configuration(fd, feature, response_len, bufp) == 1) {
/*
* To check that a Feature Descriptor was returned, we
* check to see if the Data Length field of the Feature
* Header holds a value greater than four. To check if
* the Current Bit is set, we check bit 1 of byte 10.
*/
if (read_scsi32(bufp) > 4 && bufp[10] & 1)
ret = 1;
else
ret = 0;
} else {
/* get_configuration failed */
ret = 0;
}
free(bufp);
return (ret);
}
/*
* Function: print_profile_name
*
* Description: Prints a list of the Profiles the device supports
*
* Parameters: num - hexadecimal representation of Profile
* current - 1 if the Profile is Current, otherwise 0
* abbr - 1 if printing abbreviated name, otherwise 0
*/
void
print_profile_name(uint16_t num, uchar_t current, uchar_t abbr)
{
if (abbr != 1)
(void) printf(" 0x%04x: ", num);
switch (num) {
case 0x0000:
(void) printf("No Current Profile");
break;
case 0x0001:
(void) printf("Non-Removable Disk");
break;
case 0x0002:
(void) printf("Removable Disk");
break;
case 0x0003:
(void) printf("Magneto-Optical Erasable");
break;
case 0x0004:
(void) printf("Optical Write Once");
break;
case 0x0005:
(void) printf("AS-MO");
break;
case 0x0008:
(void) printf("CD-ROM");
break;
case 0x0009:
(void) printf("CD-R");
break;
case 0x000A:
(void) printf("CD-RW");
break;
case 0x0010:
(void) printf("DVD-ROM");
break;
case 0x0011:
(void) printf("DVD-R");
if (abbr != 1)
(void) printf(" Sequential Recording");
break;
case 0x0012:
(void) printf("DVD-RAM");
break;
case 0x0013:
(void) printf("DVD-RW");
if (abbr != 1)
(void) printf(" Restricted Overwrite");
break;
case 0x0014:
(void) printf("DVD-RW");
if (abbr != 1)
(void) printf(" Sequential Recording");
break;
case 0x0015:
(void) printf("DVD-R");
if (abbr != 1)
(void) printf(" Dual Layer Sequential Recording");
else
(void) printf(" DL");
break;
case 0x0016:
(void) printf("DVD-R");
if (abbr != 1)
(void) printf(" Dual Layer Jump Recording");
else
(void) printf(" DL");
break;
case 0x0017:
(void) printf("DVD-RW");
if (abbr != 1)
(void) printf(" Dual Layer");
else
(void) printf(" DL");
break;
case 0x001A:
(void) printf("DVD+RW");
break;
case 0x001B:
(void) printf("DVD+R");
break;
case 0x0020:
(void) printf("DDCD-ROM");
break;
case 0x0021:
(void) printf("DDCD-R");
break;
case 0x0022:
(void) printf("DDCD-RW");
break;
case 0x002A:
(void) printf("DVD+RW");
if (abbr != 1)
(void) printf(" Dual Layer");
else
(void) printf(" DL");
break;
case 0x002B:
(void) printf("DVD+R");
if (abbr != 1)
(void) printf(" Dual Layer");
else
(void) printf(" DL");
break;
case 0x0040:
(void) printf("BD-ROM");
break;
case 0x0041:
(void) printf("BD-R Sequential Recording (SRM) Profile");
break;
case 0x0042:
(void) printf("BD-R Random Recording (RRM) Profile");
break;
case 0x0043:
(void) printf("BD-RE");
break;
case 0xFFFF:
(void) printf("Nonstandard Profile");
break;
default:
break;
}
if (current == 1)
(void) printf(" (Current Profile)");
(void) printf("\n");
}
/*
* Function: print_profile_list
*
* Description: Print a list of Profiles supported by the Logical Unit.
*
* Parameters: fd - file descriptor for device whose list of
* profiles we wish to print
*/
void
print_profile_list(int fd)
{
size_t i;
size_t buflen;
uint16_t current;
uint16_t other;
uchar_t *bufp = (uchar_t *)my_zalloc(MMC_FTR_HDR_LEN);
/*
* First get_configuration call is used to determine amount of memory
* needed to hold all the Profiles. The first four bytes of bufp
* concatenated tell us the number of bytes of memory we need but do
* not take themselves into account. Therefore, add four, and
* allocate that number of bytes.
*/
if (get_configuration(fd, MMC_FTR_PRFL_LIST, MMC_FTR_HDR_LEN,
bufp)) {
buflen = read_scsi32(bufp) + 4;
free(bufp);
bufp = (uchar_t *)my_zalloc(buflen);
/*
* Now get all the Profiles
*/
if (get_configuration(fd, MMC_FTR_PRFL_LIST, buflen, bufp)) {
(void) printf("\nProfile List\n");
(void) printf("---------------------------------\n");
/*
* Find out the Logical Unit's Current Profile
*/
current = read_scsi16(&bufp[6]);
/*
* Print out the Profile List and indicate which
* Profile is Current
*/
for (i = MMC_FTR_HDR_LEN + MMC_FTR_DSCRPTR_BASE_LEN;
i < buflen; i += MMC_PRFL_DSCRPTR_LEN) {
other = read_scsi16(&bufp[i]);
if (other == current)
print_profile_name(other, 1, 0);
else
print_profile_name(other, 0, 0);
}
(void) printf("\n");
}
}
free(bufp);
}