xref: /onnv-gate/usr/src/lib/efcode/fcdriver/phandle.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <strings.h>
32*0Sstevel@tonic-gate #include <fcode/private.h>
33*0Sstevel@tonic-gate #include <fcode/log.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <fcdriver/fcdriver.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate static int use_os_handle = 1;
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate void
do_use_os_handles(fcode_env_t * env)41*0Sstevel@tonic-gate do_use_os_handles(fcode_env_t *env)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	use_os_handle = 1;
44*0Sstevel@tonic-gate }
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate void
do_use_fake_handles(fcode_env_t * env)47*0Sstevel@tonic-gate do_use_fake_handles(fcode_env_t *env)
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate 	log_message(MSG_ERROR, "WARNING: using fake phandles, test only\n");
50*0Sstevel@tonic-gate 	use_os_handle = 0;
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate static int
match_nodeid(void * s,void * d)54*0Sstevel@tonic-gate match_nodeid(void *s, void *d)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate 	my_nodeid_t *src = s;
57*0Sstevel@tonic-gate 	my_nodeid_t *dest = d;
58*0Sstevel@tonic-gate 	return ((src->node) == (dest->node));
59*0Sstevel@tonic-gate }
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate static int
match_handle(void * s,void * d)62*0Sstevel@tonic-gate match_handle(void *s, void *d)
63*0Sstevel@tonic-gate {
64*0Sstevel@tonic-gate 	my_nodeid_t *src = s;
65*0Sstevel@tonic-gate 	my_nodeid_t *dest = d;
66*0Sstevel@tonic-gate 	return ((src->my_handle) == (dest->my_handle));
67*0Sstevel@tonic-gate }
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate /*
70*0Sstevel@tonic-gate  * Convert from an OS phandle to an interpreter phandle
71*0Sstevel@tonic-gate  */
72*0Sstevel@tonic-gate device_t *
convert_phandle(fcode_env_t * env,fstack_t d)73*0Sstevel@tonic-gate convert_phandle(fcode_env_t *env, fstack_t d)
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate 	fc_resource_t *t;
76*0Sstevel@tonic-gate 	common_data_t *cdp = env->private;
77*0Sstevel@tonic-gate 	device_t *r;
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	if (use_os_handle) {
80*0Sstevel@tonic-gate 		my_nodeid_t nh;
81*0Sstevel@tonic-gate 		nh.my_handle = (fc_phandle_t) d;
82*0Sstevel@tonic-gate 		t = find_resource(&cdp->nodeids, &nh, match_handle);
83*0Sstevel@tonic-gate 		if (t == NULL) {
84*0Sstevel@tonic-gate 			r = 0;
85*0Sstevel@tonic-gate 		} else {
86*0Sstevel@tonic-gate 			my_nodeid_t *p = (my_nodeid_t *) t->data;
87*0Sstevel@tonic-gate 			r = (device_t *) p->node;
88*0Sstevel@tonic-gate 		}
89*0Sstevel@tonic-gate 	} else
90*0Sstevel@tonic-gate 		r = (device_t *)d;
91*0Sstevel@tonic-gate 	return (r);
92*0Sstevel@tonic-gate }
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate /*
95*0Sstevel@tonic-gate  * Interpreter phandle to OS phandle
96*0Sstevel@tonic-gate  */
97*0Sstevel@tonic-gate fstack_t
revert_phandle(fcode_env_t * env,device_t * d)98*0Sstevel@tonic-gate revert_phandle(fcode_env_t *env, device_t *d)
99*0Sstevel@tonic-gate {
100*0Sstevel@tonic-gate 	fc_resource_t *t;
101*0Sstevel@tonic-gate 	common_data_t *cdp = env->private;
102*0Sstevel@tonic-gate 	fstack_t r;
103*0Sstevel@tonic-gate 
104*0Sstevel@tonic-gate 	if (use_os_handle) {
105*0Sstevel@tonic-gate 		my_nodeid_t nh;
106*0Sstevel@tonic-gate 		nh.node = d;
107*0Sstevel@tonic-gate 		t = find_resource(&cdp->nodeids, &nh, match_nodeid);
108*0Sstevel@tonic-gate 		if (t == NULL) {
109*0Sstevel@tonic-gate 			r = 0;
110*0Sstevel@tonic-gate 		} else {
111*0Sstevel@tonic-gate 			my_nodeid_t *p = (my_nodeid_t *) t->data;
112*0Sstevel@tonic-gate 			r = (fstack_t) p->my_handle;
113*0Sstevel@tonic-gate 		}
114*0Sstevel@tonic-gate 	} else
115*0Sstevel@tonic-gate 		r = (fstack_t) d;
116*0Sstevel@tonic-gate 	return (r);
117*0Sstevel@tonic-gate }
118*0Sstevel@tonic-gate 
119*0Sstevel@tonic-gate void
add_my_handle(fcode_env_t * env,fc_phandle_t mh,device_t * d)120*0Sstevel@tonic-gate add_my_handle(fcode_env_t *env, fc_phandle_t mh, device_t *d)
121*0Sstevel@tonic-gate {
122*0Sstevel@tonic-gate 	my_nodeid_t *nh;
123*0Sstevel@tonic-gate 	common_data_t *cdp = env->private;
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate 	nh = MALLOC(sizeof (my_nodeid_t));
126*0Sstevel@tonic-gate 	nh->my_handle = mh;
127*0Sstevel@tonic-gate 	nh->node = d;
128*0Sstevel@tonic-gate 	if (add_resource(&cdp->nodeids, nh, match_handle) == NULL) {
129*0Sstevel@tonic-gate 		log_message(MSG_ERROR, "add_my_handle: add_resource failed\n");
130*0Sstevel@tonic-gate 	}
131*0Sstevel@tonic-gate }
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate void
allocate_phandle(fcode_env_t * env)134*0Sstevel@tonic-gate allocate_phandle(fcode_env_t *env)
135*0Sstevel@tonic-gate {
136*0Sstevel@tonic-gate 	private_data_t *pd;
137*0Sstevel@tonic-gate 	common_data_t *cdp;
138*0Sstevel@tonic-gate 	int error;
139*0Sstevel@tonic-gate 	char *service;
140*0Sstevel@tonic-gate 	device_t *current;
141*0Sstevel@tonic-gate 	fc_cell_t hcell;
142*0Sstevel@tonic-gate 
143*0Sstevel@tonic-gate 	if ((cdp = env->private) == NULL) {
144*0Sstevel@tonic-gate 		log_message(MSG_ERROR, "allocate_phandle: NULL common\n");
145*0Sstevel@tonic-gate 		return;
146*0Sstevel@tonic-gate 	}
147*0Sstevel@tonic-gate 
148*0Sstevel@tonic-gate 	if (!cdp->init_done)
149*0Sstevel@tonic-gate 		return;
150*0Sstevel@tonic-gate 
151*0Sstevel@tonic-gate 	current = MYSELF->device;
152*0Sstevel@tonic-gate 	ASSERT(current);
153*0Sstevel@tonic-gate 
154*0Sstevel@tonic-gate 	if (cdp->first_node) {
155*0Sstevel@tonic-gate 		service = FC_CONFIG_CHILD;
156*0Sstevel@tonic-gate 		cdp->first_node = 0;
157*0Sstevel@tonic-gate 	} else {
158*0Sstevel@tonic-gate 		service = FC_ALLOC_PHANDLE;
159*0Sstevel@tonic-gate 	}
160*0Sstevel@tonic-gate 
161*0Sstevel@tonic-gate 	pd = MALLOC(sizeof (private_data_t));
162*0Sstevel@tonic-gate 	pd->common = cdp;
163*0Sstevel@tonic-gate 	pd->parent = (fc_phandle_t) revert_phandle(env, current->parent);
164*0Sstevel@tonic-gate 	pd->upload = (cdp->init_done == 1);
165*0Sstevel@tonic-gate 	current->private = pd;
166*0Sstevel@tonic-gate 
167*0Sstevel@tonic-gate 	error = fc_run_priv(cdp, service, 0, 1, &hcell);
168*0Sstevel@tonic-gate 
169*0Sstevel@tonic-gate 	pd->node = fc_cell2phandle(hcell);
170*0Sstevel@tonic-gate 
171*0Sstevel@tonic-gate 	add_my_handle(env, pd->node, current);
172*0Sstevel@tonic-gate }
173*0Sstevel@tonic-gate 
174*0Sstevel@tonic-gate fc_phandle_t
fc_get_ap(common_data_t * cdp)175*0Sstevel@tonic-gate fc_get_ap(common_data_t *cdp)
176*0Sstevel@tonic-gate {
177*0Sstevel@tonic-gate 	fc_cell_t hcell;
178*0Sstevel@tonic-gate 	int error;
179*0Sstevel@tonic-gate 
180*0Sstevel@tonic-gate 	error = fc_run_priv(cdp, FC_AP_PHANDLE, 0, 1, &hcell);
181*0Sstevel@tonic-gate 
182*0Sstevel@tonic-gate 	if (error)
183*0Sstevel@tonic-gate 		exit(1);
184*0Sstevel@tonic-gate 
185*0Sstevel@tonic-gate 	return (fc_cell2phandle(hcell));
186*0Sstevel@tonic-gate }
187*0Sstevel@tonic-gate 
188*0Sstevel@tonic-gate 
189*0Sstevel@tonic-gate #pragma init(_init)
190*0Sstevel@tonic-gate 
191*0Sstevel@tonic-gate static void
_init(void)192*0Sstevel@tonic-gate _init(void)
193*0Sstevel@tonic-gate {
194*0Sstevel@tonic-gate 	fcode_env_t *env = initial_env;
195*0Sstevel@tonic-gate 
196*0Sstevel@tonic-gate 	ASSERT(env);
197*0Sstevel@tonic-gate 	NOTICE;
198*0Sstevel@tonic-gate 
199*0Sstevel@tonic-gate 	env->convert_phandle = convert_phandle;
200*0Sstevel@tonic-gate 	env->revert_phandle = revert_phandle;
201*0Sstevel@tonic-gate 	env->allocate_phandle = allocate_phandle;
202*0Sstevel@tonic-gate 	FORTH(0,	"use-os-handles",	do_use_os_handles);
203*0Sstevel@tonic-gate 	FORTH(0,	"use-fake-handles",	do_use_fake_handles);
204*0Sstevel@tonic-gate }
205