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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*
27 * sun4u specific DDI implementation
28 */
29#include <sys/bootconf.h>
30#include <sys/conf.h>
31#include <sys/machsystm.h>
32#include <sys/idprom.h>
33#include <sys/promif.h>
34
35
36/*
37 * Favored drivers of this implementation
38 * architecture.  These drivers MUST be present for
39 * the system to boot at all.
40 */
41char *impl_module_list[] = {
42	"rootnex",
43	"options",
44	"sad",		/* Referenced via init_tbl[] */
45	"pseudo",
46	"clone",
47	"scsi_vhci",
48	(char *)0
49};
50
51/*
52 * Check the status of the device node passed as an argument.
53 *
54 *	if ((status is OKAY) || (status is DISABLED))
55 *		return DDI_SUCCESS
56 *	else
57 *		print a warning and return DDI_FAILURE
58 */
59/*ARGSUSED*/
60int
61check_status(int id, char *buf, dev_info_t *parent)
62{
63	char status_buf[64];
64	extern int status_okay(int, char *, int);
65
66	/*
67	 * is the status okay?
68	 */
69	if (status_okay(id, status_buf, sizeof (status_buf)))
70		return (DDI_SUCCESS);
71
72	return (DDI_FAILURE);
73}
74
75/*
76 * For Devices which are assigned to another logical domain, the
77 * firmware modifies the various PCI properties so that no
78 * driver will attach in the case where the OS instances does not
79 * support ldoms direct I/O.  Since we do not support it, we can
80 * restore those properties to their expected values.
81 * See FWARC/2009/535.
82 */
83/*ARGSUSED*/
84void
85translate_devid(dev_info_t *dip)
86{
87	int devid, venid, ssid, ssvid, rev, class_code;
88	char *new_compat[7];
89	int i;
90	int compat_entry_length = 30;
91	int ncompat = 7;
92
93	if ((devid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
94	    "real-device-id", -1)) == -1)
95		return;
96	if ((venid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
97	    "real-vendor-id", -1)) == -1)
98		return;
99
100	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "device-id", devid);
101	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "vendor-id", venid);
102
103	class_code = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
104	    "real-class-code", 0);
105	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "class-clode",
106	    class_code);
107
108	ssvid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
109	    "real-subsystem-vendor-id", -1);
110	if (ssvid != -1)
111		(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip,
112		    "subsystem-vendor-id", ssvid);
113
114	ssid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
115	    "real-subsystem-id", -1);
116	if (ssid != -1)
117		(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "subsystem-id",
118		    ssid);
119
120	rev = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
121	    "real-revision-id", 0);
122	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "revision-id", rev);
123
124	for (i = 0; i < ncompat; ++i) {
125		new_compat[i] = kmem_zalloc(compat_entry_length, KM_NOSLEEP);
126		if (new_compat[i] == NULL) {
127			cmn_err(CE_WARN, "translate_devid: kmem_alloc "
128			    "failed\n");
129			ncompat = i;
130			goto cleanup;
131		}
132	}
133
134	(void) sprintf(new_compat[0], "pciex%x,%x.%x.%x.%x",
135	    venid, devid, ssvid, ssid, rev);
136	(void) sprintf(new_compat[1], "pciex%x,%x.%x.%x",
137	    venid, devid, ssvid, ssid);
138	(void) sprintf(new_compat[2], "pciex%x,%x.%x", venid, devid, rev);
139	(void) sprintf(new_compat[3], "pciex%x,%x", venid, devid);
140	(void) sprintf(new_compat[4], "pciexclass,%06x", class_code);
141	(void) sprintf(new_compat[5], "pciexclass,%04x", class_code >> 8);
142	(void) sprintf(new_compat[6], "pci%x,%x", venid, devid);
143
144	(void) ddi_prop_update_string_array(DDI_DEV_T_NONE, dip, "compatible",
145	    (char **)new_compat, 7);
146
147cleanup:
148	for (i = 0; i < ncompat; ++i)
149		kmem_free(new_compat[i], compat_entry_length);
150
151	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "ddi-assigned", 0);
152	(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, DDI_NO_AUTODETACH, 1);
153}
154