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 */
41 char *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*/
60 int
check_status(int id,char * buf,dev_info_t * parent)61 check_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*/
84 void
translate_devid(dev_info_t * dip)85 translate_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
147 cleanup:
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