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CAM userland utility library, a replacement for libscsi.

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Submitted by: "Kenneth D. Merry" <ken@FreeBSD.org>
This commit is contained in:
Justin T. Gibbs 1998-09-15 06:16:46 +00:00
parent fc936cbd13
commit f736a45077
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39209
8 changed files with 1774 additions and 0 deletions
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lib/libcam/Makefile Normal file
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LIB= cam
SRCS= camlib.c scsi_cmdparse.c scsi_all.c scsi_da.c scsi_sa.c cam.c
# MAN3= cam.3
# XXX KDM Need to write the man pages.
# MLINKS+= cam.3 cam_open_device.3 \
# cam.3 cam_close_device.3 \
# cam.3 cam_getccb.3 \
# cam.3 cam_freeccb.3 \
# cam.3 cam_send_ccb.3 \
# cam.3 cam_device_dup.3 \
# cam.3 cam_device_copy.3 \
# cam.3 scsi_read_write.3 \
# cam.3 scsi_start_stop.3 \
# cam.3 scsi_sense_desc.3 \
# cam.3 scsi_op_desc.3 \
# cam.3 scsi_cdb_string.3 \
# cam.3 scsi_print_inquriy.3 \
# cam.3 scsi_calc_syncsrate.3 \ # XXX
# cam.3 scsi_test_unit_ready.3 \
# cam.3 scsi_inquiry.3 \
# cam.3 scsi_read_capacity.3 \
# cam.3 scsi_prevent.3 \
# cam.3 scsi_synchronize_cache.3 \
# cam.3 scsi_sense_string.3 \
# cam.3 scsi_sense_print.3 \
# cam.3 scsi_inqurity_match.3 \ # XXX
# cam.3 scsi_extract_sense.3 \
# cam.3 scsi_ulto2b.3 \
# cam.3 scsi_ulto3b.3 \
# cam.3 scsi_ulto4b.3 \
# cam.3 scsi_2btoul.3 \
# cam.3 scsi_3btoul.3 \
# cam.3 scsi_3btol.3 \
# cam.3 scsi_4btoul.3
beforeinstall:
${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 ${.CURDIR}/camlib.h \
${DESTDIR}/usr/include
.PATH: ${.CURDIR}/../../sys/cam/scsi ${.CURDIR}/../../sys/cam
CFLAGS+=-I${.CURDIR} -I${.CURDIR}/../../sys
.include <bsd.lib.mk>

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lib/libcam/Makefile.orig Normal file
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757
lib/libcam/camlib.c Normal file
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/*
* Copyright (c) 1997, 1998 Kenneth D. Merry.
* 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, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $Id$
*/
#include <sys/types.h>
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <cam/cam.h>
#include <cam/scsi/scsi_all.h>
#include <cam/cam_ccb.h>
#include <cam/scsi/scsi_pass.h>
#include "camlib.h"
struct cam_devequiv {
char *given_dev;
char *real_dev;
};
struct cam_devequiv devmatchtable[] = {
{"sd", "da"},
{"st", "sa"}
};
char cam_errbuf[CAM_ERRBUF_SIZE];
static struct cam_device *cam_real_open_device(const char *path, int flags,
struct cam_device *device,
const char *given_path,
const char *given_dev_name,
int given_unit_number);
static struct cam_device *cam_lookup_pass(const char *dev_name, int unit,
int flags, const char *given_path,
struct cam_device *device);
/*
* Send a ccb to a passthrough device.
*/
int
cam_send_ccb(struct cam_device *device, union ccb *ccb)
{
return(ioctl(device->fd, CAMIOCOMMAND, ccb));
}
/*
* Malloc a CCB, zero out the header and set its path, target and lun ids.
*/
union ccb *
cam_getccb(struct cam_device *dev)
{
union ccb *ccb;
ccb = (union ccb *)malloc(sizeof(union ccb));
if (ccb != NULL) {
bzero(&ccb->ccb_h, sizeof(struct ccb_hdr));
ccb->ccb_h.path_id = dev->path_id;
ccb->ccb_h.target_id = dev->target_id;
ccb->ccb_h.target_lun = dev->target_lun;
}
return(ccb);
}
/*
* Free a CCB.
*/
void
cam_freeccb(union ccb *ccb)
{
if (ccb != NULL)
free(ccb);
}
/*
* Take a device name or path passed in by the user, and attempt to figure
* out the device name and unit number. Some possible device name formats are:
* /dev/foo0a
* /dev/rfoo0a
* /dev/rfoos2c
* foo0
* foo0a
* rfoo0
* rfoo0a
* nrfoo0
*
* If the caller passes in an old style device name like 'sd' or 'st',
* it will be converted to the new style device name based upon devmatchtable
* above.
*
* Input parameters: device name/path, length of devname string
* Output: device name, unit number
* Return values: returns 0 for success, -1 for failure
*/
int
cam_get_device(const char *path, char *dev_name, int devnamelen, int *unit)
{
char *func_name = "cam_get_device";
char *tmpstr, *tmpstr2;
char *newpath;
int unit_offset;
int i, found = 0;
if (path == NULL) {
sprintf(cam_errbuf, "%s: device pathname was NULL", func_name);
return(0);
}
/*
* We can be rather destructive to the path string. Make a copy of
* it so we don't hose the user's string.
*/
newpath = (char *)strdup(path);
tmpstr = newpath;
/* Get rid of any leading white space */
while (isspace(*tmpstr) && (*tmpstr != '\0'))
tmpstr++;
/*
* Check to see whether we have an absolute pathname.
*/
if (*tmpstr == '/') {
tmpstr2 = tmpstr;
tmpstr = (char *)rindex(tmpstr2, '/');
if ((tmpstr != NULL) && (*tmpstr != '\0'))
tmpstr++;
}
if (*tmpstr == '\0') {
sprintf(cam_errbuf, "%s: no text after slash", func_name);
free(newpath);
return(0);
}
/*
* Check to see whether the user has given us a nonrewound tape
* device.
*/
if (*tmpstr == 'n')
tmpstr++;
if (*tmpstr == '\0') {
sprintf(cam_errbuf, "%s: no text after leading 'n'", func_name);
free(newpath);
return(0);
}
/*
* See if the user has given us a character device.
*/
if (*tmpstr == 'r')
tmpstr++;
if (*tmpstr == '\0') {
sprintf(cam_errbuf, "%s: no text after leading 'r'", func_name);
free(newpath);
return(0);
}
/*
* Try to get rid of any trailing white space or partition letters.
*/
tmpstr2 = &tmpstr[strlen(tmpstr) - 1];
while ((*tmpstr2 != '\0') && (tmpstr2 > tmpstr) &&(!isdigit(*tmpstr2))){
*tmpstr2 = '\0';
tmpstr2--;
}
/*
* Check to see whether we have been given a partition with a slice
* name. If so, get rid of the slice name/number.
*/
if (strlen(tmpstr) > 3) {
/*
* Basically, we're looking for a string that ends in the
* following general manner: 1s1 -- a number, the letter
* s, and then another number. This indicates that the
* user has given us a slice. We substitute nulls for the
* s and the slice number.
*/
if ((isdigit(tmpstr[strlen(tmpstr) - 1]))
&& (tmpstr[strlen(tmpstr) - 2] == 's')
&& (isdigit(tmpstr[strlen(tmpstr) - 3]))) {
tmpstr[strlen(tmpstr) - 1] = '\0';
tmpstr[strlen(tmpstr) - 1] = '\0';
}
}
/*
* After we nuke off the slice, we should have just a device name
* and unit number. That means there must be at least 2
* characters. If we only have 1, we don't have a valid device name.
*/
if (strlen(tmpstr) < 2) {
sprintf(cam_errbuf,
"%s: must have both device name and unit number",
func_name);
free(newpath);
return(0);
}
/*
* If the first character of the string is a digit, then the user
* has probably given us all numbers. Point out the error.
*/
if (isdigit(*tmpstr)) {
sprintf(cam_errbuf,
"%s: device name cannot begin with a number",
func_name);
free(newpath);
return(0);
}
/*
* At this point, if the last character of the string isn't a
* number, we know the user either didn't give us a device number,
* or he gave us a device name/number format we don't recognize.
*/
if (!isdigit(tmpstr[strlen(tmpstr) - 1])) {
sprintf(cam_errbuf, "%s: unable to find device unit number",
func_name);
free(newpath);
return(0);
}
/*
* Attempt to figure out where the device name ends and the unit
* number begins. As long as unit_offset is at least 1 less than
* the length of the string, we can still potentially have a device
* name at the front of the string. When we get to something that
* isn't a digit, we've hit the device name. Because of the check
* above, we know that this cannot happen when unit_offset == 1.
* Therefore it is okay to decrement unit_offset -- it won't cause
* us to go past the end of the character array.
*/
for (unit_offset = 1;
(unit_offset < (strlen(tmpstr)))
&& (isdigit(tmpstr[strlen(tmpstr) - unit_offset])); unit_offset++);
unit_offset--;
/*
* Grab the unit number.
*/
*unit = atoi(&tmpstr[strlen(tmpstr) - unit_offset]);
/*
* Put a null in place of the first number of the unit number so
* that all we have left is the device name.
*/
tmpstr[strlen(tmpstr) - unit_offset] = '\0';
/*
* Look through our equivalency table and see if the device name
* the user gave us is an old style device name. If so, translate
* it to the new style device name.
*/
for (i = 0;i < (sizeof(devmatchtable)/sizeof(struct cam_devequiv));i++){
if (strcmp(tmpstr, devmatchtable[i].given_dev) == 0) {
strncpy(dev_name,devmatchtable[i].real_dev, devnamelen);
found = 1;
break;
}
}
if (found == 0)
strncpy(dev_name, tmpstr, devnamelen);
/* Make sure we pass back a null-terminated string */
dev_name[devnamelen - 1] = '\0';
/* Clean up allocated memory */
free(newpath);
return(1);
}
/*
* Backwards compatible wrapper for the real open routine. This translates
* a pathname into a device name and unit number for use with the real open
* routine.
*/
struct cam_device *
cam_open_device(const char *path, int flags)
{
int unit;
char dev_name[DEV_IDLEN + 1];
/*
* cam_get_device() has already put an error message in cam_errbuf,
* so we don't need to.
*/
if (cam_get_device(path, dev_name, DEV_IDLEN + 1, &unit) == 0)
return(NULL);
return(cam_lookup_pass(dev_name, unit, flags, path, NULL));
}
/*
* Open the passthrough device for a given bus, target and lun, if the
* passthrough device exists.
*/
struct cam_device *
cam_open_btl(path_id_t path_id, target_id_t target_id, lun_id_t target_lun,
int flags, struct cam_device *device)
{
union ccb ccb;
struct periph_match_pattern *match_pat;
char *func_name = "cam_open_btl";
int fd, bufsize;
if ((fd = open(XPT_DEVICE, O_RDWR)) < 0) {
snprintf(cam_errbuf, CAM_ERRBUF_SIZE,
"%s: couldn't open %s\n%s: %s", func_name, XPT_DEVICE,
func_name, strerror(errno));
return(NULL);
}
bzero(&ccb, sizeof(union ccb));
ccb.ccb_h.func_code = XPT_DEV_MATCH;
/* Setup the result buffer */
bufsize = sizeof(struct dev_match_result);
ccb.cdm.match_buf_len = bufsize;
ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize);
if (ccb.cdm.matches == NULL) {
snprintf(cam_errbuf, CAM_ERRBUF_SIZE,
"%s: couldn't malloc match buffer", func_name);
return(NULL);
}
ccb.cdm.num_matches = 0;
/* Setup the pattern buffer */
ccb.cdm.num_patterns = 1;
ccb.cdm.pattern_buf_len = sizeof(struct dev_match_pattern);
ccb.cdm.patterns = (struct dev_match_pattern *)malloc(
sizeof(struct dev_match_pattern));
if (ccb.cdm.patterns == NULL) {
snprintf(cam_errbuf, CAM_ERRBUF_SIZE,
"%s: couldn't malloc pattern buffer", func_name);
free(ccb.cdm.matches);
return(NULL);
}
ccb.cdm.patterns[0].type = DEV_MATCH_PERIPH;
match_pat = &ccb.cdm.patterns[0].pattern.periph_pattern;
/*
* We're looking for the passthrough device associated with this
* particular bus/target/lun.
*/
sprintf(match_pat->periph_name, "pass");
match_pat->path_id = path_id;
match_pat->target_id = target_id;
match_pat->target_lun = target_lun;
/* Now set the flags to indicate what we're looking for. */
match_pat->flags = PERIPH_MATCH_PATH | PERIPH_MATCH_TARGET |
PERIPH_MATCH_LUN | PERIPH_MATCH_NAME;
if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
sprintf(cam_errbuf, "%s: CAMIOCOMMAND ioctl failed\n"
"%s: %s", func_name, func_name, strerror(errno));
goto btl_bailout;
}
/*
* Check for an outright error.
*/
if ((ccb.ccb_h.status != CAM_REQ_CMP)
|| ((ccb.cdm.status != CAM_DEV_MATCH_LAST)
&& (ccb.cdm.status != CAM_DEV_MATCH_MORE))) {
sprintf(cam_errbuf, "%s: CAM error %#x, CDM error %d "
"returned from XPT_DEV_MATCH ccb", func_name,
ccb.ccb_h.status, ccb.cdm.status);
goto btl_bailout;
}
if (ccb.cdm.status == CAM_DEV_MATCH_MORE) {
sprintf(cam_errbuf, "%s: CDM reported more than one"
" passthrough device at %d:%d:%d!!\n",
func_name, path_id, target_id, target_lun);
goto btl_bailout;
}
if (ccb.cdm.num_matches == 0) {
sprintf(cam_errbuf, "%s: no passthrough device found at"
" %d:%d:%d", func_name, path_id, target_id,
target_lun);
goto btl_bailout;
}
switch(ccb.cdm.matches[0].type) {
case DEV_MATCH_PERIPH: {
int pass_unit;
char dev_path[256];
struct periph_match_result *periph_result;
periph_result = &ccb.cdm.matches[0].result.periph_result;
pass_unit = periph_result->unit_number;
free(ccb.cdm.matches);
free(ccb.cdm.patterns);
sprintf(dev_path, "/dev/pass%d", pass_unit);
return(cam_real_open_device(dev_path, flags, device, NULL,
NULL, 0));
break; /* NOTREACHED */
}
default:
sprintf(cam_errbuf, "%s: asked for a peripheral match, but"
" got a bus or device match??!!", func_name);
goto btl_bailout;
break; /* NOTREACHED */
}
btl_bailout:
free(ccb.cdm.matches);
free(ccb.cdm.patterns);
return(NULL);
}
struct cam_device *
cam_open_spec_device(const char *dev_name, int unit, int flags,
struct cam_device *device)
{
return(cam_lookup_pass(dev_name, unit, flags, NULL, device));
}
struct cam_device *
cam_open_pass(const char *path, int flags, struct cam_device *device)
{
return(cam_real_open_device(path, flags, device, path, NULL, 0));
}
static struct cam_device *
cam_lookup_pass(const char *dev_name, int unit, int flags,
const char *given_path, struct cam_device *device)
{
int fd;
union ccb ccb;
char dev_path[256];
char *func_name = "cam_lookup_pass";
/*
* The flags argument above only applies to the actual passthrough
* device open, not our open of the given device to find the
* passthrough device.
*/
if ((fd = open(XPT_DEVICE, O_RDWR)) < 0) {
snprintf(cam_errbuf, CAM_ERRBUF_SIZE,
"%s: couldn't open %s\n%s: %s", func_name, XPT_DEVICE,
func_name, strerror(errno));
return(NULL);
}
/* This isn't strictly necessary for the GETPASSTHRU ioctl. */
ccb.ccb_h.func_code = XPT_GDEVLIST;
/* These two are necessary for the GETPASSTHRU ioctl to work. */
strncpy(ccb.cgdl.periph_name, dev_name, DEV_IDLEN - 1);
ccb.cgdl.periph_name[DEV_IDLEN - 1] = '\0';
ccb.cgdl.unit_number = unit;
/*
* Attempt to get the passthrough device. This ioctl will fail if
* the device name is null, or if the device doesn't exist.
*/
if (ioctl(fd, CAMGETPASSTHRU, &ccb) == -1) {
sprintf(cam_errbuf, "%s: CAMGETPASSTHRU ioctl failed\n"
"%s: %s", func_name, func_name, strerror(errno));
return(NULL);
}
close(fd);
/*
* If the ioctl returned the right status, but we got an error back
* in the ccb, that means that the kernel found the device the user
* passed in, but was unable to find the passthrough device for
* the device the user gave us.
*/
if (ccb.cgdl.status == CAM_GDEVLIST_ERROR) {
sprintf(cam_errbuf, "%s: device %s%d does not exist",
func_name, dev_name, unit);
return(NULL);
}
sprintf(dev_path, "/dev/%s%d", ccb.cgdl.periph_name,
ccb.cgdl.unit_number);
return(cam_real_open_device(dev_path, flags, device, NULL,
dev_name, unit));
}
/*
* Open a given device. The path argument isn't strictly necessary, but it
* is copied into the cam_device structure as a convenience to the user.
*/
static struct cam_device *
cam_real_open_device(const char *path, int flags, struct cam_device *device,
const char *given_path, const char *given_dev_name,
int given_unit_number)
{
char newpath[MAXPATHLEN+1];
char *func_name = "cam_real_open_device";
union ccb ccb;
int fd, malloced_device = 0;
/*
* See if the user wants us to malloc a device for him.
*/
if (device == NULL) {
if ((device = (struct cam_device *)malloc(
sizeof(struct cam_device))) == NULL) {
sprintf(cam_errbuf, "%s: device structure malloc"
" failed\n%s: %s", func_name, func_name,
strerror(errno));
return(NULL);
}
malloced_device = 1;
}
/*
* If the user passed in a path, save it for him.
*/
if (given_path != NULL)
strncpy(device->device_path, given_path, MAXPATHLEN + 1);
else
device->device_path[0] = '\0';
/*
* If the user passed in a device name and unit number pair, save
* those as well.
*/
if (given_dev_name != NULL)
strncpy(device->given_dev_name, given_dev_name, DEV_IDLEN);
else
device->given_dev_name[0] = '\0';
device->given_unit_number = given_unit_number;
if ((fd = open(path, flags)) < 0) {
sprintf(cam_errbuf, "%s: couldn't open passthrough device %s\n"
"%s: %s", func_name, newpath, func_name,
strerror(errno));
goto crod_bailout;
}
device->fd = fd;
bzero(&ccb, sizeof(union ccb));
/*
* Unlike the transport layer version of the GETPASSTHRU ioctl,
* we don't have to set any fields.
*/
ccb.ccb_h.func_code = XPT_GDEVLIST;
/*
* We're only doing this to get some information on the device in
* question. Otherwise, we'd have to pass in yet another
* parameter: the passthrough driver unit number.
*/
if (ioctl(fd, CAMGETPASSTHRU, &ccb) == -1) {
sprintf(cam_errbuf, "%s: CAMGETPASSTHRU ioctl failed\n"
"%s: %s", func_name, func_name, strerror(errno));
goto crod_bailout;
}
/*
* If the ioctl returned the right status, but we got an error back
* in the ccb, that means that the kernel found the device the user
* passed in, but was unable to find the passthrough device for
* the device the user gave us.
*/
if (ccb.cgdl.status == CAM_GDEVLIST_ERROR) {
sprintf(cam_errbuf, "%s: passthrough device does not exist??!!",
func_name);
goto crod_bailout;
}
device->dev_unit_num = ccb.cgdl.unit_number;
strcpy(device->device_name, ccb.cgdl.periph_name);
device->path_id = ccb.ccb_h.path_id;
device->target_id = ccb.ccb_h.target_id;
device->target_lun = ccb.ccb_h.target_lun;
ccb.ccb_h.func_code = XPT_PATH_INQ;
if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
sprintf(cam_errbuf, "%s: Path Inquiry CCB failed\n"
"%s: %s", func_name, func_name, strerror(errno));
goto crod_bailout;
}
strncpy(device->sim_name, ccb.cpi.dev_name, SIM_IDLEN);
device->sim_unit_number = ccb.cpi.unit_number;
device->bus_id = ccb.cpi.bus_id;
/*
* It doesn't really matter what is in the payload for a getdev
* CCB, the kernel doesn't look at it.
*/
ccb.ccb_h.func_code = XPT_GDEV_TYPE;
if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
sprintf(cam_errbuf, "%s: Get Device Type CCB failed\n"
"%s: %s", func_name, func_name, strerror(errno));
goto crod_bailout;
}
device->pd_type = ccb.cgd.pd_type;
bcopy(&ccb.cgd.inq_data, &device->inq_data,
sizeof(struct scsi_inquiry_data));
device->serial_num_len = ccb.cgd.serial_num_len;
bcopy(&ccb.cgd.serial_num, &device->serial_num, device->serial_num_len);
/*
* Zero the payload, the kernel does look at the flags.
*/
bzero(&(&ccb.ccb_h)[1], sizeof(struct ccb_trans_settings));
/*
* Get transfer settings for this device.
*/
ccb.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
ccb.cts.flags = CCB_TRANS_CURRENT_SETTINGS;
if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
sprintf(cam_errbuf, "%s: Get Transfer Settings CCB failed\n"
"%s: %s", func_name, func_name, strerror(errno));
goto crod_bailout;
}
device->sync_period = ccb.cts.sync_period;
device->sync_offset = ccb.cts.sync_offset;
device->bus_width = ccb.cts.bus_width;
return(device);
crod_bailout:
if (malloced_device)
free(device);
return(NULL);
}
void
cam_close_device(struct cam_device *dev)
{
if (dev == NULL)
return;
cam_close_spec_device(dev);
if (dev != NULL)
free(dev);
}
void
cam_close_spec_device(struct cam_device *dev)
{
if (dev == NULL)
return;
if (dev->fd >= 0)
close(dev->fd);
}
char *
cam_path_string(struct cam_device *dev, char *str, int len)
{
if (dev == NULL) {
snprintf(str, len, "No path");
return(str);
}
snprintf(str, len, "(%s%d:%s%d:%d:%d:%d): ",
(dev->device_name[0] != '\0') ? dev->device_name : "pass",
dev->dev_unit_num,
(dev->sim_name[0] != '\0') ? dev->sim_name : "unknown",
dev->sim_unit_number,
dev->bus_id,
dev->target_id,
dev->target_lun);
return(str);
}
/*
* Malloc/duplicate a CAM device structure.
*/
struct cam_device *
cam_device_dup(struct cam_device *device)
{
char *func_name = "cam_device_dup";
struct cam_device *newdev;
if (device == NULL) {
sprintf(cam_errbuf, "%s: device is NULL", func_name);
return(NULL);
}
newdev = malloc(sizeof(struct cam_device));
bcopy(device, newdev, sizeof(struct cam_device));
return(newdev);
}
/*
* Copy a CAM device structure.
*/
void
cam_device_copy(struct cam_device *src, struct cam_device *dst)
{
char *func_name = "cam_device_copy";
if (src == NULL) {
sprintf(cam_errbuf, "%s: source device struct was NULL",
func_name);
return;
}
if (dst == NULL) {
sprintf(cam_errbuf, "%s: destination device struct was NULL",
func_name);
return;
}
bcopy(src, dst, sizeof(struct cam_device));
}

0
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/*
* Copyright (c) 1997, 1998 Kenneth D. Merry.
* 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, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $Id$
*/
/*
* Buffer encoding/decoding routines taken from the original FreeBSD SCSI
* library and slightly modified. The original header file had the following
* copyright:
*/
/* Copyright (c) 1994 HD Associates (hd@world.std.com)
* 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by HD Associates
* 4. Neither the name of the HD Associaates nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES``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 HD ASSOCIATES 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.
*/
#ifndef _CAMLIB_H
#define _CAMLIB_H
#include <sys/cdefs.h>
#include <sys/param.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#define CAM_ERRBUF_SIZE 2048 /* sizeof the CAM libarary error string */
/*
* Right now we hard code the transport layer device, but this will change
* if we ever get more than one transport layer.
*/
#define XPT_DEVICE "/dev/xpt0"
extern char cam_errbuf[];
struct cam_device {
char device_path[MAXPATHLEN+1];/*
* Pathname of the device
* given by the user. This
* may be null if the
* user states the device
* name and unit number
* separately.
*/
char given_dev_name[DEV_IDLEN+1];/*
* Device name given by
* the user.
*/
u_int32_t given_unit_number; /*
* Unit number given by
* the user.
*/
char device_name[DEV_IDLEN+1];/*
* Name of the device,
* e.g. 'pass'
*/
u_int32_t dev_unit_num; /* Unit number of the passthrough
* device associated with this
* particular device.
*/
char sim_name[SIM_IDLEN+1]; /* Controller name, e.g. 'ahc' */
u_int32_t sim_unit_number; /* Controller unit number */
u_int32_t bus_id; /* Controller bus number */
lun_id_t target_lun; /* Logical Unit Number */
target_id_t target_id; /* Target ID */
path_id_t path_id; /* System SCSI bus number */
u_int16_t pd_type; /* type of peripheral device */
struct scsi_inquiry_data inq_data; /* SCSI Inquiry data */
u_int8_t serial_num[252]; /* device serial number */
u_int8_t serial_num_len; /* length of the serial number */
u_int8_t sync_period; /* Negotiated sync period */
u_int8_t sync_offset; /* Negotiated sync offset */
u_int8_t bus_width; /* Negotiated bus width */
int fd; /* file descriptor for device */
};
__BEGIN_DECLS
/* Basic utility commands */
struct cam_device * cam_open_device(const char *path, int flags);
void cam_close_device(struct cam_device *dev);
void cam_close_spec_device(struct cam_device *dev);
struct cam_device * cam_open_spec_device(const char *dev_name,
int unit, int flags,
struct cam_device *device);
struct cam_device * cam_open_btl(path_id_t path_id, target_id_t target_id,
lun_id_t target_lun, int flags,
struct cam_device *device);
struct cam_device * cam_open_pass(const char *path, int flags,
struct cam_device *device);
union ccb * cam_getccb(struct cam_device *dev);
void cam_freeccb(union ccb *ccb);
int cam_send_ccb(struct cam_device *device, union ccb *ccb);
char * cam_path_string(struct cam_device *dev, char *str,
int len);
struct cam_device * cam_device_dup(struct cam_device *device);
void cam_device_copy(struct cam_device *src,
struct cam_device *dst);
int cam_get_device(const char *path, char *dev_name,
int devnamelen, int *unit);
/*
* Buffer encoding/decoding routines, from the old SCSI library.
*/
int csio_decode(struct ccb_scsiio *csio, char *fmt, ...);
int csio_decode_visit(struct ccb_scsiio *csio, char *fmt,
void (*arg_put)(void *, int, void *, int, char *),
void *puthook);
int buff_decode(u_int8_t *buff, size_t len, char *fmt, ...);
int buff_decode_visit(u_int8_t *buff, size_t len, char *fmt,
void (*arg_put)(void *, int, void *, int, char *),
void *puthook);
int csio_build(struct ccb_scsiio *csio, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t flags, int retry_count,
int timeout, char *cmd_spec, ...);
int csio_build_visit(struct ccb_scsiio *csio, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t flags, int retry_count,
int timeout, char *cmd_spec,
int (*arg_get)(void *hook, char *field_name),
void *gethook);
int csio_encode(struct ccb_scsiio *csio, char *fmt, ...);
int buff_encode_visit(u_int8_t *buff, size_t len, char *fmt,
int (*arg_get)(void *hook, char *field_name),
void *gethook);
int csio_encode_visit(struct ccb_scsiio *csio, char *fmt,
int (*arg_get)(void *hook, char *field_name),
void *gethook);
__END_DECLS
#endif /* _CAMLIB_H */

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/*
* Taken from the original FreeBSD user SCSI library.
*/
/* Copyright (c) 1994 HD Associates
* (contact: dufault@hda.com)
* 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by HD Associates
* 4. Neither the name of the HD Associaates nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES``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 HD ASSOCIATES 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.
* From: scsi.c,v 1.8 1997/02/22 15:07:54 peter Exp $
* $Id$
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <sys/errno.h>
#include <stdarg.h>
#include <fcntl.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/scsi/scsi_message.h>
#include "camlib.h"
/*
* Decode: Decode the data section of a scsireq. This decodes
* trivial grammar:
*
* fields : field fields
* ;
*
* field : field_specifier
* | control
* ;
*
* control : 's' seek_value
* | 's' '+' seek_value
* ;
*
* seek_value : DECIMAL_NUMBER
* | 'v' // For indirect seek, i.e., value from the arg list
* ;
*
* field_specifier : type_specifier field_width
* | '{' NAME '}' type_specifier field_width
* ;
*
* field_width : DECIMAL_NUMBER
* ;
*
* type_specifier : 'i' // Integral types (i1, i2, i3, i4)
* | 'b' // Bits
* | 't' // Bits
* | 'c' // Character arrays
* | 'z' // Character arrays with zeroed trailing spaces
* ;
*
* Notes:
* 1. Integral types are swapped into host order.
* 2. Bit fields are allocated MSB to LSB to match the SCSI spec documentation.
* 3. 's' permits "seeking" in the string. "s+DECIMAL" seeks relative to
* DECIMAL; "sDECIMAL" seeks absolute to decimal.
* 4. 's' permits an indirect reference. "sv" or "s+v" will get the
* next integer value from the arg array.
* 5. Field names can be anything between the braces
*
* BUGS:
* i and b types are promoted to ints.
*
*/
static int
do_buff_decode(u_int8_t *databuf, size_t len,
void (*arg_put)(void *, int , void *, int, char *),
void *puthook, char *fmt, va_list ap)
{
int assigned = 0;
int width;
int suppress;
int plus;
int done = 0;
static u_char mask[] = {0, 0x01, 0x03, 0x07, 0x0f,
0x1f, 0x3f, 0x7f, 0xff};
int value;
u_char *base = databuf;
char letter;
char field_name[80];
# define ARG_PUT(ARG) \
do \
{ \
if (!suppress) \
{ \
if (arg_put) \
(*arg_put)(puthook, (letter == 't' ? \
'b' : letter), \
(void *)((long)(ARG)), 1, field_name); \
else \
*(va_arg(ap, int *)) = (ARG); \
assigned++; \
} \
field_name[0] = 0; \
suppress = 0; \
} while (0)
u_char bits = 0; /* For bit fields */
int shift = 0; /* Bits already shifted out */
suppress = 0;
field_name[0] = 0;
while (!done) {
switch(letter = *fmt) {
case ' ': /* White space */
case '\t':
case '\r':
case '\n':
case '\f':
fmt++;
break;
case '#': /* Comment */
while (*fmt && (*fmt != '\n'))
fmt++;
if (fmt)
fmt++; /* Skip '\n' */
break;
case '*': /* Suppress assignment */
fmt++;
suppress = 1;
break;
case '{': /* Field Name */
{
int i = 0;
fmt++; /* Skip '{' */
while (*fmt && (*fmt != '}')) {
if (i < sizeof(field_name))
field_name[i++] = *fmt;
fmt++;
}
if (fmt)
fmt++; /* Skip '}' */
field_name[i] = 0;
break;
}
case 't': /* Bit (field) */
case 'b': /* Bits */
fmt++;
width = strtol(fmt, &fmt, 10);
if (width > 8)
done = 1;
else {
if (shift <= 0) {
bits = *databuf++;
shift = 8;
}
value = (bits >> (shift - width)) &
mask[width];
#if 0
printf("shift %2d bits %02x value %02x width %2d mask %02x\n",
shift, bits, value, width, mask[width]);
#endif
ARG_PUT(value);
shift -= width;
}
break;
case 'i': /* Integral values */
shift = 0;
fmt++;
width = strtol(fmt, &fmt, 10);
switch(width) {
case 1:
ARG_PUT(*databuf);
databuf++;
break;
case 2:
ARG_PUT((*databuf) << 8 | *(databuf + 1));
databuf += 2;
break;
case 3:
ARG_PUT((*databuf) << 16 |
(*(databuf + 1)) << 8 | *(databuf + 2));
databuf += 3;
break;
case 4:
ARG_PUT((*databuf) << 24 |
(*(databuf + 1)) << 16 |
(*(databuf + 2)) << 8 |
*(databuf + 3));
databuf += 4;
break;
default:
done = 1;
break;
}
break;
case 'c': /* Characters (i.e., not swapped) */
case 'z': /* Characters with zeroed trailing
spaces */
shift = 0;
fmt++;
width = strtol(fmt, &fmt, 10);
if (!suppress) {
if (arg_put)
(*arg_put)(puthook,
(letter == 't' ? 'b' : letter),
databuf, width, field_name);
else {
char *dest;
dest = va_arg(ap, char *);
bcopy(databuf, dest, width);
if (letter == 'z') {
char *p;
for (p = dest + width - 1;
(p >= (char *)dest)
&& (*p == ' '); p--)
*p = 0;
}
}
assigned++;
}
databuf += width;
field_name[0] = 0;
suppress = 0;
break;
case 's': /* Seek */
shift = 0;
fmt++;
if (*fmt == '+') {
plus = 1;
fmt++;
} else
plus = 0;
if (tolower(*fmt) == 'v') {
/*
* You can't suppress a seek value. You also
* can't have a variable seek when you are using
* "arg_put".
*/
width = (arg_put) ? 0 : va_arg(ap, int);
fmt++;
} else
width = strtol(fmt, &fmt, 10);
if (plus)
databuf += width; /* Relative seek */
else
databuf = base + width; /* Absolute seek */
break;
case 0:
done = 1;
break;
default:
fprintf(stderr, "Unknown letter in format: %c\n",
letter);
fmt++;
break;
}
}
return (assigned);
}
/* next_field: Return the next field in a command specifier. This
* builds up a SCSI command using this trivial grammar:
*
* fields : field fields
* ;
*
* field : value
* | value ':' field_width
* ;
*
* field_width : digit
* | 'i' digit // i2 = 2 byte integer, i3 = 3 byte integer etc.
* ;
*
* value : HEX_NUMBER
* | 'v' // For indirection.
* ;
*
* Notes:
* Bit fields are specified MSB first to match the SCSI spec.
*
* Examples:
* TUR: "0 0 0 0 0 0"
* WRITE BUFFER: "38 v:3 0:2 0:3 v v:i3 v:i3 0", mode, buffer_id, list_length
*
* The function returns the value:
* 0: For reached end, with error_p set if an error was found
* 1: For valid stuff setup
* 2: For "v" was entered as the value (implies use varargs)
*
*/
static int
next_field(char **pp, char *fmt, int *width_p, int *value_p, char *name,
int n_name, int *error_p, int *suppress_p)
{
char *p = *pp;
int something = 0;
enum {
BETWEEN_FIELDS,
START_FIELD,
GET_FIELD,
DONE,
} state;
int value = 0;
int field_size; /* Default to byte field type... */
int field_width; /* 1 byte wide */
int is_error = 0;
int suppress = 0;
field_size = 8; /* Default to byte field type... */
*fmt = 'i';
field_width = 1; /* 1 byte wide */
if (name)
*name = 0;
state = BETWEEN_FIELDS;
while (state != DONE) {
switch(state) {
case BETWEEN_FIELDS:
if (*p == 0)
state = DONE;
else if (isspace(*p))
p++;
else if (*p == '#') {
while (*p && *p != '\n')
p++;
if (p)
p++;
} else if (*p == '{') {
int i = 0;
p++;
while (*p && *p != '}') {
if(name && i < n_name) {
name[i] = *p;
i++;
}
p++;
}
if(name && i < n_name)
name[i] = 0;
if (*p == '}')
p++;
} else if (*p == '*') {
p++;
suppress = 1;
} else if (isxdigit(*p)) {
something = 1;
value = strtol(p, &p, 16);
state = START_FIELD;
} else if (tolower(*p) == 'v') {
p++;
something = 2;
value = *value_p;
state = START_FIELD;
} else if (tolower(*p) == 'i') {
/*
* Try to work without the "v".
*/
something = 2;
value = *value_p;
p++;
*fmt = 'i';
field_size = 8;
field_width = strtol(p, &p, 10);
state = DONE;
} else if (tolower(*p) == 't') {
/*
* XXX: B can't work: Sees the 'b' as a
* hex digit in "isxdigit". try "t" for
* bit field.
*/
something = 2;
value = *value_p;
p++;
*fmt = 'b';
field_size = 1;
field_width = strtol(p, &p, 10);
state = DONE;
} else if (tolower(*p) == 's') {
/* Seek */
*fmt = 's';
p++;
if (tolower(*p) == 'v') {
p++;
something = 2;
value = *value_p;
} else {
something = 1;
value = strtol(p, &p, 0);
}
state = DONE;
} else {
fprintf(stderr, "Invalid starting "
"character: %c\n", *p);
is_error = 1;
state = DONE;
}
break;
case START_FIELD:
if (*p == ':') {
p++;
field_size = 1; /* Default to bits
when specified */
state = GET_FIELD;
} else
state = DONE;
break;
case GET_FIELD:
if (isdigit(*p)) {
*fmt = 'b';
field_size = 1;
field_width = strtol(p, &p, 10);
state = DONE;
} else if (*p == 'i') {
/* Integral (bytes) */
p++;
*fmt = 'i';
field_size = 8;
field_width = strtol(p, &p, 10);
state = DONE;
} else if (*p == 'b') {
/* Bits */
p++;
*fmt = 'b';
field_size = 1;
field_width = strtol(p, &p, 10);
state = DONE;
} else {
fprintf(stderr, "Invalid startfield %c "
"(%02x)\n", *p, *p);
is_error = 1;
state = DONE;
}
break;
case DONE:
break;
}
}
if (is_error) {
*error_p = 1;
return 0;
}
*error_p = 0;
*pp = p;
*width_p = field_width * field_size;
*value_p = value;
*suppress_p = suppress;
return (something);
}
static int
do_encode(u_char *buff, size_t vec_max, size_t *used,
int (*arg_get)(void *, char *), void *gethook, char *fmt, va_list ap)
{
int ind;
int shift;
u_char val;
int ret;
int width, value, error, suppress;
char c;
int encoded = 0;
char field_name[80];
ind = 0;
shift = 0;
val = 0;
while ((ret = next_field(&fmt, &c, &width, &value, field_name,
sizeof(field_name), &error, &suppress))) {
encoded++;
if (ret == 2) {
if (suppress)
value = 0;
else
value = arg_get ?
(*arg_get)(gethook, field_name) :
va_arg(ap, int);
}
#if 0
printf(
"do_encode: ret %d fmt %c width %d value %d name \"%s\" error %d suppress %d\n",
ret, c, width, value, field_name, error, suppress);
#endif
/* Absolute seek */
if (c == 's') {
ind = value;
continue;
}
/* A width of < 8 is a bit field. */
if (width < 8) {
/* This is a bit field. We start with the high bits
* so it reads the same as the SCSI spec.
*/
shift += width;
val |= (value << (8 - shift));
if (shift == 8) {
if (ind < vec_max) {
buff[ind++] = val;
val = 0;
}
shift = 0;
}
} else {
if (shift) {
if (ind < vec_max) {
buff[ind++] = val;
val = 0;
}
shift = 0;
}
switch(width) {
case 8: /* 1 byte integer */
if (ind < vec_max)
buff[ind++] = value;
break;
case 16: /* 2 byte integer */
if (ind < vec_max - 2 + 1) {
buff[ind++] = value >> 8;
buff[ind++] = value;
}
break;
case 24: /* 3 byte integer */
if (ind < vec_max - 3 + 1) {
buff[ind++] = value >> 16;
buff[ind++] = value >> 8;
buff[ind++] = value;
}
break;
case 32: /* 4 byte integer */
if (ind < vec_max - 4 + 1) {
buff[ind++] = value >> 24;
buff[ind++] = value >> 16;
buff[ind++] = value >> 8;
buff[ind++] = value;
}
break;
default:
fprintf(stderr, "do_encode: Illegal width\n");
break;
}
}
}
/* Flush out any remaining bits
*/
if (shift && ind < vec_max) {
buff[ind++] = val;
val = 0;
}
if (used)
*used = ind;
if (error)
return -1;
return encoded;
}
int
csio_decode(struct ccb_scsiio *csio, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
return(do_buff_decode(csio->data_ptr, (size_t)csio->dxfer_len,
0, 0, fmt, ap));
}
int
csio_decode_visit(struct ccb_scsiio *csio, char *fmt,
void (*arg_put)(void *, int, void *, int, char *),
void *puthook)
{
va_list ap;
ap = (va_list)0;
return(do_buff_decode(csio->data_ptr, (size_t)csio->dxfer_len,
arg_put, puthook, fmt, ap));
}
int
buff_decode(u_int8_t *buff, size_t len, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
return(do_buff_decode(buff, len, 0, 0, fmt, ap));
}
int
buff_decode_visit(u_int8_t *buff, size_t len, char *fmt,
void (*arg_put)(void *, int, void *, int, char *),
void *puthook)
{
va_list ap;
ap = (va_list)0;
return(do_buff_decode(buff, len, arg_put, puthook, fmt, ap));
}
/*
* Build a SCSI CCB, given the command and data pointers and a format
* string describing the
*/
int
csio_build(struct ccb_scsiio *csio, u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int32_t flags, int retry_count, int timeout, char *cmd_spec, ...)
{
int cmdlen;
int retval;
va_list ap;
if (csio == NULL)
return(0);
bzero(csio, sizeof(struct ccb_scsiio));
va_start(ap, cmd_spec);
if ((retval = do_encode(csio->cdb_io.cdb_bytes, SCSI_MAX_CDBLEN,
&cmdlen, NULL, NULL, cmd_spec, ap)) == -1)
return(retval);
cam_fill_csio(csio,
/* retries */ retry_count,
/* cbfcnp */ NULL,
/* flags */ flags,
/* tag_action */ MSG_SIMPLE_Q_TAG,
/* data_ptr */ data_ptr,
/* dxfer_len */ dxfer_len,
/* sense_len */ SSD_FULL_SIZE,
/* cdb_len */ cmdlen,
/* timeout */ timeout ? timeout : 5000);
return(retval);
}
int
csio_build_visit(struct ccb_scsiio *csio, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t flags, int retry_count,
int timeout, char *cmd_spec,
int (*arg_get)(void *hook, char *field_name), void *gethook)
{
va_list ap;
int cmdlen, retval;
if (csio == NULL)
return(0);
ap = (va_list)0;
bzero(csio, sizeof(struct ccb_scsiio));
if ((retval = do_encode(csio->cdb_io.cdb_bytes, SCSI_MAX_CDBLEN,
&cmdlen, arg_get, gethook, cmd_spec, ap)) == -1)
return(retval);
cam_fill_csio(csio,
/* retries */ retry_count,
/* cbfcnp */ NULL,
/* flags */ flags,
/* tag_action */ MSG_SIMPLE_Q_TAG,
/* data_ptr */ data_ptr,
/* dxfer_len */ dxfer_len,
/* sense_len */ SSD_FULL_SIZE,
/* cdb_len */ cmdlen,
/* timeout */ timeout ? timeout : 5000);
return(retval);
}
int
csio_encode(struct ccb_scsiio *csio, char *fmt, ...)
{
va_list ap;
if (csio == NULL)
return(0);
va_start(ap, fmt);
return(do_encode(csio->data_ptr, csio->dxfer_len, 0, 0, 0, fmt, ap));
}
int
buff_encode_visit(u_int8_t *buff, size_t len, char *fmt,
int (*arg_get)(void *hook, char *field_name), void *gethook)
{
va_list ap;
ap = (va_list)0;
return(do_encode(buff, len, 0, arg_get, gethook, fmt, ap));
}
int
csio_encode_visit(struct ccb_scsiio *csio, char *fmt,
int (*arg_get)(void *hook, char *field_name), void *gethook)
{
va_list ap;
ap = (va_list) 0;
return(do_encode(csio->data_ptr, csio->dxfer_len, 0, arg_get,
gethook, fmt, ap));
}

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lib/libcam/scsi_cmdparse.c.orig Normal file
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