2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * SCSI simulator.
2N/A *
2N/A * For testing purposes, we need a way to simulate arbitrary SCSI responses. A
2N/A * completely flexible SCSI simulation language would be a large undertaking,
2N/A * given the number of possible outcomes. Instead, we opt for the simpler route
2N/A * of using a shared object which implements versions of these functions.
2N/A *
2N/A * If a shared object doesn't implement a given function, or if the function
2N/A * returns non-zero, then the simulator will provide a suitable response
2N/A * indicating the functionality isn't supported.
2N/A */
2N/A
2N/A#include <libdiskstatus.h>
2N/A
2N/A#include "ds_scsi.h"
2N/A#include "ds_scsi_sim.h"
2N/A
2N/Astatic int
2N/Acheck_invalid_code(int ret, void *rqbuf)
2N/A{
2N/A if (ret != 0) {
2N/A struct scsi_extended_sense *sensep = rqbuf;
2N/A
2N/A sensep->es_key = KEY_ILLEGAL_REQUEST;
2N/A sensep->es_add_len = 6;
2N/A sensep->es_code = CODE_FMT_FIXED_CURRENT;
2N/A sensep->es_add_code = ASC_INVALID_OPCODE;
2N/A sensep->es_qual_code = ASCQ_INVALID_OPCODE;
2N/A ret = -1;
2N/A }
2N/A
2N/A return (ret);
2N/A}
2N/A
2N/Atypedef int (*scsi_mode_sense_f)(int, int, caddr_t, int, scsi_ms_header_t *,
2N/A void *, int *);
2N/A
2N/Aint
2N/Asimscsi_mode_sense(void *hdl, int page_code, int page_control,
2N/A caddr_t page_data, int page_size, scsi_ms_header_t *header,
2N/A void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_mode_sense_f dscsi_mode_sense;
2N/A int ret = -1;
2N/A
2N/A dscsi_mode_sense = (scsi_mode_sense_f)dlsym(hdl, "scsi_mode_sense");
2N/A
2N/A if (dscsi_mode_sense != NULL)
2N/A ret = (*dscsi_mode_sense)(page_code, page_control, page_data,
2N/A page_size, header, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}
2N/A
2N/Atypedef int (*scsi_mode_sense_10_f)(int, int, caddr_t, int,
2N/A scsi_ms_header_g1_t *, void *, int *);
2N/A
2N/Aint
2N/Asimscsi_mode_sense_10(void *hdl, int page_code, int page_control,
2N/A caddr_t page_data, int page_size, scsi_ms_header_g1_t *header,
2N/A void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_mode_sense_10_f dscsi_mode_sense_10;
2N/A int ret = -1;
2N/A
2N/A dscsi_mode_sense_10 = (scsi_mode_sense_10_f)dlsym(hdl,
2N/A "scsi_mode_sense_10");
2N/A
2N/A if (dscsi_mode_sense_10 != NULL)
2N/A ret = (*dscsi_mode_sense_10)(page_code, page_control, page_data,
2N/A page_size, header, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}
2N/A
2N/Atypedef int (*scsi_mode_select_f)(int, int, caddr_t, int, scsi_ms_header_t *,
2N/A void *, int *);
2N/A
2N/Aint
2N/Asimscsi_mode_select(void *hdl, int page_code, int options, caddr_t page_data,
2N/A int page_size, scsi_ms_header_t *header, void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_mode_select_f dscsi_mode_select;
2N/A int ret = -1;
2N/A
2N/A dscsi_mode_select = (scsi_mode_select_f)(dlsym(hdl,
2N/A "scsi_mode_select"));
2N/A
2N/A if (dscsi_mode_select != NULL)
2N/A ret = (*dscsi_mode_select)(page_code, options, page_data,
2N/A page_size, header, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}
2N/A
2N/Atypedef int (*scsi_mode_select_10_f)(int, int, caddr_t, int,
2N/A scsi_ms_header_g1_t *, void *, int *);
2N/A
2N/Aint
2N/Asimscsi_mode_select_10(void *hdl, int page_code, int options,
2N/A caddr_t page_data, int page_size, scsi_ms_header_g1_t *header,
2N/A void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_mode_select_10_f dscsi_mode_select_10;
2N/A int ret = -1;
2N/A
2N/A dscsi_mode_select_10 = (scsi_mode_select_10_f)dlsym(hdl,
2N/A "scsi_mode_select_10");
2N/A
2N/A if (dscsi_mode_select_10 != NULL)
2N/A ret = (*dscsi_mode_select_10)(page_code, options, page_data,
2N/A page_size, header, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}
2N/A
2N/Atypedef int (*scsi_log_sense_f)(int, int, caddr_t, int, void *, int *);
2N/A
2N/Aint
2N/Asimscsi_log_sense(void *hdl, int page_code, int page_control,
2N/A caddr_t page_data, int page_size, void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_log_sense_f dscsi_log_sense;
2N/A int ret = -1;
2N/A
2N/A dscsi_log_sense = (scsi_log_sense_f)dlsym(hdl, "scsi_log_sense");
2N/A
2N/A if (dscsi_log_sense != NULL)
2N/A ret = (*dscsi_log_sense)(page_code, page_control, page_data,
2N/A page_size, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}
2N/A
2N/Atypedef int (*scsi_request_sense_f)(caddr_t, int, void *, int *);
2N/A
2N/Aint
2N/Asimscsi_request_sense(void *hdl, caddr_t buf, int buflen,
2N/A void *rqbuf, int *rqblen)
2N/A{
2N/A scsi_request_sense_f dscsi_request_sense;
2N/A int ret = -1;
2N/A
2N/A dscsi_request_sense = (scsi_request_sense_f)dlsym(hdl,
2N/A "scsi_request_sense");
2N/A
2N/A if (dscsi_request_sense != NULL)
2N/A ret = (*dscsi_request_sense)(buf, buflen, rqbuf, rqblen);
2N/A
2N/A return (check_invalid_code(ret, rqbuf));
2N/A}