828 lines
17 KiB
C
828 lines
17 KiB
C
/*
|
|
* 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: scsi_cmdparse.c,v 1.1 1998/09/15 06:16:46 gibbs Exp $
|
|
*/
|
|
#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;
|
|
|
|
/*
|
|
* We need some way to output things; we can't do it without
|
|
* the arg_put function.
|
|
*/
|
|
if (arg_put == NULL)
|
|
return(-1);
|
|
|
|
bzero(&ap, sizeof(ap));
|
|
|
|
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;
|
|
|
|
/*
|
|
* We need some way to output things; we can't do it without
|
|
* the arg_put function.
|
|
*/
|
|
if (arg_put == NULL)
|
|
return(-1);
|
|
|
|
bzero(&ap, sizeof(ap));
|
|
|
|
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, ...)
|
|
{
|
|
size_t 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;
|
|
size_t cmdlen;
|
|
int retval;
|
|
|
|
if (csio == NULL)
|
|
return(0);
|
|
|
|
/*
|
|
* We need something to encode, but we can't get it without the
|
|
* arg_get function.
|
|
*/
|
|
if (arg_get == NULL)
|
|
return(-1);
|
|
|
|
bzero(&ap, sizeof(ap));
|
|
|
|
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;
|
|
|
|
/*
|
|
* We need something to encode, but we can't get it without the
|
|
* arg_get function.
|
|
*/
|
|
if (arg_get == NULL)
|
|
return(-1);
|
|
|
|
bzero(&ap, sizeof(ap));
|
|
|
|
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;
|
|
|
|
/*
|
|
* We need something to encode, but we can't get it without the
|
|
* arg_get function.
|
|
*/
|
|
if (arg_get == NULL)
|
|
return(-1);
|
|
|
|
bzero(&ap, sizeof(ap));
|
|
|
|
return(do_encode(csio->data_ptr, csio->dxfer_len, 0, arg_get,
|
|
gethook, fmt, ap));
|
|
}
|