xref: /titanic_50/usr/src/lib/efcode/fcdriver/ioctl.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1  /*
2   * CDDL HEADER START
3   *
4   * The contents of this file are subject to the terms of the
5   * Common Development and Distribution License, Version 1.0 only
6   * (the "License").  You may not use this file except in compliance
7   * with the License.
8   *
9   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10   * or http://www.opensolaris.org/os/licensing.
11   * See the License for the specific language governing permissions
12   * and limitations under the License.
13   *
14   * When distributing Covered Code, include this CDDL HEADER in each
15   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16   * If applicable, add the following below this CDDL HEADER, with the
17   * fields enclosed by brackets "[]" replaced with your own identifying
18   * information: Portions Copyright [yyyy] [name of copyright owner]
19   *
20   * CDDL HEADER END
21   */
22  /*
23   * Copyright (c) 2000 by Sun Microsystems, Inc.
24   * All rights reserved.
25   */
26  
27  #pragma ident	"%Z%%M%	%I%	%E% SMI"
28  
29  #include <sys/stat.h>
30  #include <fcntl.h>
31  #include <unistd.h>
32  #include <stdlib.h>
33  #include <stdio.h>
34  #include <strings.h>
35  #include <fcntl.h>
36  #include <stdarg.h>
37  #include <errno.h>
38  
39  #include <fcode/private.h>
40  #include <fcode/log.h>
41  
42  #include <fcdriver/fcdriver.h>
43  
44  #define	FCC_MAX_CELLS	10
45  
46  int
fc_run_priv(common_data_t * cdp,char * service,int nin,int nout,...)47  fc_run_priv(common_data_t *cdp, char *service, int nin, int nout, ...)
48  {
49  	va_list ap;
50  	int i, error, no_err;
51  	fc_cell_t fc_req[FCC_FIXED_CELLS+FCC_MAX_CELLS];
52  	struct fc_client_interface *cip = (struct fc_client_interface *)fc_req;
53  	fc_cell_t *fcp;
54  	char *error_msg;
55  
56  	no_err = nin & FCRP_NOERROR;
57  	nin &= ~FCRP_NOERROR;
58  
59  	bzero(fc_req, sizeof (fc_req));
60  	if (nin + nout > FCC_MAX_CELLS) {
61  		log_message(MSG_ERROR, "%s: too many ins (%d) and outs (%d)\n",
62  		    service, nin, nout);
63  		nin = min(nin, FCC_MAX_CELLS);
64  		nout = FCC_MAX_CELLS - nin;
65  	}
66  	va_start(ap, nout);
67  	cip->svc_name = fc_ptr2cell(service);
68  	cip->nargs = fc_int2cell(nin);
69  	cip->nresults = fc_int2cell(nout);
70  	for (i = 0; i < nin; i++)
71  		fc_arg(cip, i) = va_arg(ap, fc_cell_t);
72  	error = ioctl(cdp->fcode_fd, FC_RUN_PRIV, cip);
73  	for (i = 0; i < nout; i++) {
74  		fcp = va_arg(ap, fc_cell_t *);
75  		*fcp = fc_result(cip, i);
76  	}
77  	va_end(ap);
78  
79  	if (error)
80  		error_msg = strerror(errno);
81  	else if (cip->priv_error) {
82  		error_msg = "Priv violation";
83  		error = 1;
84  	} else if (cip->error) {
85  		error_msg = "Error";
86  		error = 1;
87  	}
88  	if ((error & !no_err) ||
89  	    (get_interpreter_debug_level() & DEBUG_REG_ACCESS)) {
90  		if (error)
91  			log_message(MSG_ERROR, "%s: FC_RUN_PRIV: %s: ",
92  			    cdp->Progname, error_msg);
93  		log_message(MSG_ERROR, "%s ( ", service);
94  		for (i = 0; i < nin; i++)
95  			log_message(MSG_ERROR, "%llx ",
96  			    (uint64_t)fc_arg(cip, i));
97  		log_message(MSG_ERROR, ")");
98  		if (error)
99  			;
100  		else if (nout) {
101  			log_message(MSG_ERROR, " ->");
102  			for (i = 0; i < nout; i++)
103  				log_message(MSG_ERROR, " %llx",
104  				    (uint64_t)fc_result(cip, i));
105  		} else
106  			log_message(MSG_ERROR, " OK");
107  		log_message(MSG_ERROR, "\n");
108  	}
109  	return (error);
110  }
111