1*e4b86885SCheng Sean Ye /*
2*e4b86885SCheng Sean Ye * CDDL HEADER START
3*e4b86885SCheng Sean Ye *
4*e4b86885SCheng Sean Ye * The contents of this file are subject to the terms of the
5*e4b86885SCheng Sean Ye * Common Development and Distribution License (the "License").
6*e4b86885SCheng Sean Ye * You may not use this file except in compliance with the License.
7*e4b86885SCheng Sean Ye *
8*e4b86885SCheng Sean Ye * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*e4b86885SCheng Sean Ye * or http://www.opensolaris.org/os/licensing.
10*e4b86885SCheng Sean Ye * See the License for the specific language governing permissions
11*e4b86885SCheng Sean Ye * and limitations under the License.
12*e4b86885SCheng Sean Ye *
13*e4b86885SCheng Sean Ye * When distributing Covered Code, include this CDDL HEADER in each
14*e4b86885SCheng Sean Ye * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*e4b86885SCheng Sean Ye * If applicable, add the following below this CDDL HEADER, with the
16*e4b86885SCheng Sean Ye * fields enclosed by brackets "[]" replaced with your own identifying
17*e4b86885SCheng Sean Ye * information: Portions Copyright [yyyy] [name of copyright owner]
18*e4b86885SCheng Sean Ye *
19*e4b86885SCheng Sean Ye * CDDL HEADER END
20*e4b86885SCheng Sean Ye */
21*e4b86885SCheng Sean Ye /*
22*e4b86885SCheng Sean Ye * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23*e4b86885SCheng Sean Ye * Use is subject to license terms.
24*e4b86885SCheng Sean Ye */
25*e4b86885SCheng Sean Ye
26*e4b86885SCheng Sean Ye #include <sys/stat.h>
27*e4b86885SCheng Sean Ye #include <sys/types.h>
28*e4b86885SCheng Sean Ye #include <sys/time.h>
29*e4b86885SCheng Sean Ye #include <sys/systm.h>
30*e4b86885SCheng Sean Ye
31*e4b86885SCheng Sean Ye #include <sys/fm/protocol.h>
32*e4b86885SCheng Sean Ye #include <sys/devfm.h>
33*e4b86885SCheng Sean Ye
34*e4b86885SCheng Sean Ye extern int cpu_get_mem_addr(char *, char *, uint64_t, uint64_t *);
35*e4b86885SCheng Sean Ye
36*e4b86885SCheng Sean Ye int
fm_get_paddr(nvlist_t * nvl,uint64_t * paddr)37*e4b86885SCheng Sean Ye fm_get_paddr(nvlist_t *nvl, uint64_t *paddr)
38*e4b86885SCheng Sean Ye {
39*e4b86885SCheng Sean Ye uint8_t version;
40*e4b86885SCheng Sean Ye uint64_t pa;
41*e4b86885SCheng Sean Ye char *scheme;
42*e4b86885SCheng Sean Ye int err;
43*e4b86885SCheng Sean Ye uint64_t offset;
44*e4b86885SCheng Sean Ye char *unum;
45*e4b86885SCheng Sean Ye char **serids;
46*e4b86885SCheng Sean Ye uint_t nserids;
47*e4b86885SCheng Sean Ye
48*e4b86885SCheng Sean Ye /* Verify FMRI scheme name and version number */
49*e4b86885SCheng Sean Ye if ((nvlist_lookup_string(nvl, FM_FMRI_SCHEME, &scheme) != 0) ||
50*e4b86885SCheng Sean Ye (strcmp(scheme, FM_FMRI_SCHEME_MEM) != 0) ||
51*e4b86885SCheng Sean Ye (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0) ||
52*e4b86885SCheng Sean Ye version > FM_MEM_SCHEME_VERSION) {
53*e4b86885SCheng Sean Ye return (EINVAL);
54*e4b86885SCheng Sean Ye }
55*e4b86885SCheng Sean Ye
56*e4b86885SCheng Sean Ye /*
57*e4b86885SCheng Sean Ye * There are two ways a physical address can be obtained from a mem
58*e4b86885SCheng Sean Ye * scheme FMRI. One way is to use the "offset" and "serial"
59*e4b86885SCheng Sean Ye * members, if they are present, together with the "unum" member to
60*e4b86885SCheng Sean Ye * calculate a physical address. This is the preferred way since
61*e4b86885SCheng Sean Ye * it is independent of possible changes to the programming of
62*e4b86885SCheng Sean Ye * underlying hardware registers that may change the physical address.
63*e4b86885SCheng Sean Ye * If the "offset" member is not present, then the address is
64*e4b86885SCheng Sean Ye * retrieved from the "physaddr" member.
65*e4b86885SCheng Sean Ye */
66*e4b86885SCheng Sean Ye if (nvlist_lookup_uint64(nvl, FM_FMRI_MEM_OFFSET, &offset) != 0) {
67*e4b86885SCheng Sean Ye if (nvlist_lookup_uint64(nvl, FM_FMRI_MEM_PHYSADDR, &pa) !=
68*e4b86885SCheng Sean Ye 0) {
69*e4b86885SCheng Sean Ye return (EINVAL);
70*e4b86885SCheng Sean Ye }
71*e4b86885SCheng Sean Ye } else if (nvlist_lookup_string(nvl, FM_FMRI_MEM_UNUM, &unum) != 0 ||
72*e4b86885SCheng Sean Ye nvlist_lookup_string_array(nvl, FM_FMRI_MEM_SERIAL_ID, &serids,
73*e4b86885SCheng Sean Ye &nserids) != 0) {
74*e4b86885SCheng Sean Ye return (EINVAL);
75*e4b86885SCheng Sean Ye } else {
76*e4b86885SCheng Sean Ye err = cpu_get_mem_addr(unum, serids[0], offset, &pa);
77*e4b86885SCheng Sean Ye if (err != 0) {
78*e4b86885SCheng Sean Ye if (err == ENOTSUP) {
79*e4b86885SCheng Sean Ye /* Fall back to physaddr */
80*e4b86885SCheng Sean Ye if (nvlist_lookup_uint64(nvl,
81*e4b86885SCheng Sean Ye FM_FMRI_MEM_PHYSADDR, &pa) != 0)
82*e4b86885SCheng Sean Ye return (EINVAL);
83*e4b86885SCheng Sean Ye } else
84*e4b86885SCheng Sean Ye return (err);
85*e4b86885SCheng Sean Ye }
86*e4b86885SCheng Sean Ye }
87*e4b86885SCheng Sean Ye
88*e4b86885SCheng Sean Ye *paddr = pa;
89*e4b86885SCheng Sean Ye return (0);
90*e4b86885SCheng Sean Ye }
91