1*9e86db79SHyon Kim /*
2*9e86db79SHyon Kim * CDDL HEADER START
3*9e86db79SHyon Kim *
4*9e86db79SHyon Kim * The contents of this file are subject to the terms of the
5*9e86db79SHyon Kim * Common Development and Distribution License (the "License").
6*9e86db79SHyon Kim * You may not use this file except in compliance with the License.
7*9e86db79SHyon Kim *
8*9e86db79SHyon Kim * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*9e86db79SHyon Kim * or http://www.opensolaris.org/os/licensing.
10*9e86db79SHyon Kim * See the License for the specific language governing permissions
11*9e86db79SHyon Kim * and limitations under the License.
12*9e86db79SHyon Kim *
13*9e86db79SHyon Kim * When distributing Covered Code, include this CDDL HEADER in each
14*9e86db79SHyon Kim * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*9e86db79SHyon Kim * If applicable, add the following below this CDDL HEADER, with the
16*9e86db79SHyon Kim * fields enclosed by brackets "[]" replaced with your own identifying
17*9e86db79SHyon Kim * information: Portions Copyright [yyyy] [name of copyright owner]
18*9e86db79SHyon Kim *
19*9e86db79SHyon Kim * CDDL HEADER END
20*9e86db79SHyon Kim */
21*9e86db79SHyon Kim
22*9e86db79SHyon Kim /*
23*9e86db79SHyon Kim * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24*9e86db79SHyon Kim * Use is subject to license terms.
25*9e86db79SHyon Kim */
26*9e86db79SHyon Kim
27*9e86db79SHyon Kim #include <sun_sas.h>
28*9e86db79SHyon Kim #include <sys/types.h>
29*9e86db79SHyon Kim #include <sys/stat.h>
30*9e86db79SHyon Kim #include <fcntl.h>
31*9e86db79SHyon Kim #include <unistd.h>
32*9e86db79SHyon Kim #include <libdevinfo.h>
33*9e86db79SHyon Kim #include <netinet/in.h>
34*9e86db79SHyon Kim #include <inttypes.h>
35*9e86db79SHyon Kim
36*9e86db79SHyon Kim /*
37*9e86db79SHyon Kim * structure for di_devlink_walk
38*9e86db79SHyon Kim */
39*9e86db79SHyon Kim typedef struct walk_devlink {
40*9e86db79SHyon Kim char *path;
41*9e86db79SHyon Kim size_t len;
42*9e86db79SHyon Kim char **linkpp;
43*9e86db79SHyon Kim } walk_devlink_t;
44*9e86db79SHyon Kim
45*9e86db79SHyon Kim /*
46*9e86db79SHyon Kim * Free the phy allocation.
47*9e86db79SHyon Kim */
48*9e86db79SHyon Kim static void
free_phy_info(struct sun_sas_port * port_ptr)49*9e86db79SHyon Kim free_phy_info(struct sun_sas_port *port_ptr)
50*9e86db79SHyon Kim {
51*9e86db79SHyon Kim struct phy_info *phy_ptr, *last_phy;
52*9e86db79SHyon Kim
53*9e86db79SHyon Kim phy_ptr = port_ptr->first_phy;
54*9e86db79SHyon Kim while (phy_ptr != NULL) {
55*9e86db79SHyon Kim last_phy = phy_ptr;
56*9e86db79SHyon Kim phy_ptr = phy_ptr->next;
57*9e86db79SHyon Kim free(last_phy);
58*9e86db79SHyon Kim }
59*9e86db79SHyon Kim
60*9e86db79SHyon Kim port_ptr->first_phy = NULL;
61*9e86db79SHyon Kim
62*9e86db79SHyon Kim }
63*9e86db79SHyon Kim
64*9e86db79SHyon Kim /*
65*9e86db79SHyon Kim * callback funtion for di_devlink_walk
66*9e86db79SHyon Kim * Find matching /dev link for the given path argument.
67*9e86db79SHyon Kim * devlink element and callback function argument.
68*9e86db79SHyon Kim * The input path is expected to not have "/devices".
69*9e86db79SHyon Kim */
70*9e86db79SHyon Kim extern HBA_STATUS
get_phy_info(di_node_t node,struct sun_sas_port * port_ptr)71*9e86db79SHyon Kim get_phy_info(di_node_t node, struct sun_sas_port *port_ptr)
72*9e86db79SHyon Kim {
73*9e86db79SHyon Kim const char ROUTINE[] = "get_phy_info";
74*9e86db79SHyon Kim char *portDevpath = NULL;
75*9e86db79SHyon Kim uchar_t *propByteData = NULL;
76*9e86db79SHyon Kim struct phy_info *phy_ptr;
77*9e86db79SHyon Kim uint_t nvcount;
78*9e86db79SHyon Kim int rval, count, i;
79*9e86db79SHyon Kim nvlist_t *nvl, **phyInfoVal;
80*9e86db79SHyon Kim uint8_t phyId;
81*9e86db79SHyon Kim int8_t negoRate, prgmMinRate, prgmMaxRate, hwMinRate, hwMaxRate;
82*9e86db79SHyon Kim
83*9e86db79SHyon Kim /*
84*9e86db79SHyon Kim * When path is specified, it doesn't have minor
85*9e86db79SHyon Kim * name. Therefore, the ../.. prefixes needs to be stripped.
86*9e86db79SHyon Kim */
87*9e86db79SHyon Kim if ((portDevpath = di_devfs_path(node)) == NULL) {
88*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
89*9e86db79SHyon Kim "Unable to get device path from portNode.");
90*9e86db79SHyon Kim }
91*9e86db79SHyon Kim
92*9e86db79SHyon Kim count = di_prop_lookup_bytes(DDI_DEV_T_ANY, node, "phy-info",
93*9e86db79SHyon Kim (uchar_t **)&propByteData);
94*9e86db79SHyon Kim if (count < 0) {
95*9e86db79SHyon Kim if (portDevpath) {
96*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
97*9e86db79SHyon Kim "Property phy-info not found on port %s%s",
98*9e86db79SHyon Kim DEVICES_DIR, portDevpath);
99*9e86db79SHyon Kim di_devfs_path_free(portDevpath);
100*9e86db79SHyon Kim } else {
101*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE, "Property phy-info not found.");
102*9e86db79SHyon Kim }
103*9e86db79SHyon Kim return (HBA_STATUS_ERROR);
104*9e86db79SHyon Kim } else {
105*9e86db79SHyon Kim rval = nvlist_unpack((char *)propByteData, count, &nvl, 0);
106*9e86db79SHyon Kim if (rval != 0) {
107*9e86db79SHyon Kim if (portDevpath) {
108*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
109*9e86db79SHyon Kim "nvlist_unpack failed on port %s%s",
110*9e86db79SHyon Kim DEVICES_DIR, portDevpath);
111*9e86db79SHyon Kim di_devfs_path_free(portDevpath);
112*9e86db79SHyon Kim } else {
113*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
114*9e86db79SHyon Kim "nvlist_unpack failed.");
115*9e86db79SHyon Kim }
116*9e86db79SHyon Kim return (HBA_STATUS_ERROR);
117*9e86db79SHyon Kim } else {
118*9e86db79SHyon Kim rval = nvlist_lookup_nvlist_array(nvl, "phy-info-nvl",
119*9e86db79SHyon Kim &phyInfoVal, &nvcount);
120*9e86db79SHyon Kim if (rval != 0) {
121*9e86db79SHyon Kim if (portDevpath) {
122*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
123*9e86db79SHyon Kim "nvlist array phy-info-nvl not\
124*9e86db79SHyon Kim found on port %s%s", DEVICES_DIR,
125*9e86db79SHyon Kim portDevpath);
126*9e86db79SHyon Kim di_devfs_path_free(portDevpath);
127*9e86db79SHyon Kim } else {
128*9e86db79SHyon Kim log(LOG_DEBUG, ROUTINE,
129*9e86db79SHyon Kim "nvlist array phy-info-nvl not\
130*9e86db79SHyon Kim found");
131*9e86db79SHyon Kim }
132*9e86db79SHyon Kim nvlist_free(nvl);
133*9e86db79SHyon Kim return (HBA_STATUS_ERROR);
134*9e86db79SHyon Kim } else {
135*9e86db79SHyon Kim /* indentation moved */
136*9e86db79SHyon Kim for (i = 0; i < nvcount; i++) {
137*9e86db79SHyon Kim if (nvlist_lookup_uint8(phyInfoVal[i],
138*9e86db79SHyon Kim "PhyIdentifier", &phyId) != 0) {
139*9e86db79SHyon Kim /* Indicate a failure : no better way to set */
140*9e86db79SHyon Kim phyId = 0xff;
141*9e86db79SHyon Kim }
142*9e86db79SHyon Kim if (nvlist_lookup_int8(phyInfoVal[i],
143*9e86db79SHyon Kim "NegotiatedLinkRate", &negoRate) != 0) {
144*9e86db79SHyon Kim negoRate = HBA_SASSTATE_UNKNOWN;
145*9e86db79SHyon Kim }
146*9e86db79SHyon Kim if (nvlist_lookup_int8(phyInfoVal[i],
147*9e86db79SHyon Kim "ProgrammedMinLinkRate", &prgmMinRate) != 0) {
148*9e86db79SHyon Kim prgmMinRate = HBA_SASSTATE_UNKNOWN;
149*9e86db79SHyon Kim }
150*9e86db79SHyon Kim if (nvlist_lookup_int8(phyInfoVal[i],
151*9e86db79SHyon Kim "ProgrammedMaxLinkRate", &prgmMaxRate) != 0) {
152*9e86db79SHyon Kim prgmMaxRate = HBA_SASSTATE_UNKNOWN;
153*9e86db79SHyon Kim }
154*9e86db79SHyon Kim if (nvlist_lookup_int8(phyInfoVal[i],
155*9e86db79SHyon Kim "HardwareMinLinkRate", &hwMinRate) != 0) {
156*9e86db79SHyon Kim hwMinRate = HBA_SASSTATE_UNKNOWN;
157*9e86db79SHyon Kim }
158*9e86db79SHyon Kim if (nvlist_lookup_int8(phyInfoVal[i],
159*9e86db79SHyon Kim "HardwareMaxLinkRate", &hwMaxRate) != 0) {
160*9e86db79SHyon Kim hwMaxRate = HBA_SASSTATE_UNKNOWN;
161*9e86db79SHyon Kim }
162*9e86db79SHyon Kim
163*9e86db79SHyon Kim if ((phy_ptr = (struct phy_info *)calloc(1,
164*9e86db79SHyon Kim sizeof (struct phy_info))) == NULL) {
165*9e86db79SHyon Kim OUT_OF_MEMORY(ROUTINE);
166*9e86db79SHyon Kim if (portDevpath)
167*9e86db79SHyon Kim di_devfs_path_free(portDevpath);
168*9e86db79SHyon Kim free_phy_info(port_ptr);
169*9e86db79SHyon Kim nvlist_free(nvl);
170*9e86db79SHyon Kim return (HBA_STATUS_ERROR);
171*9e86db79SHyon Kim }
172*9e86db79SHyon Kim phy_ptr->phy.PhyIdentifier = phyId;
173*9e86db79SHyon Kim phy_ptr->phy.NegotiatedLinkRate = negoRate;
174*9e86db79SHyon Kim phy_ptr->phy.ProgrammedMinLinkRate = prgmMinRate;
175*9e86db79SHyon Kim phy_ptr->phy.ProgrammedMaxLinkRate = prgmMaxRate;
176*9e86db79SHyon Kim phy_ptr->phy.HardwareMinLinkRate = hwMinRate;
177*9e86db79SHyon Kim phy_ptr->phy.HardwareMaxLinkRate = hwMaxRate;
178*9e86db79SHyon Kim /*
179*9e86db79SHyon Kim * we will fill domain port later.
180*9e86db79SHyon Kim */
181*9e86db79SHyon Kim (void) memset(phy_ptr->phy.domainPortWWN.wwn, 0, 8);
182*9e86db79SHyon Kim phy_ptr->index = i;
183*9e86db79SHyon Kim if (port_ptr->first_phy == NULL) {
184*9e86db79SHyon Kim port_ptr->first_phy = phy_ptr;
185*9e86db79SHyon Kim } else {
186*9e86db79SHyon Kim phy_ptr->next = port_ptr->first_phy;
187*9e86db79SHyon Kim port_ptr->first_phy = phy_ptr;
188*9e86db79SHyon Kim }
189*9e86db79SHyon Kim
190*9e86db79SHyon Kim }
191*9e86db79SHyon Kim nvlist_free(nvl);
192*9e86db79SHyon Kim /* end of indentation move */
193*9e86db79SHyon Kim }
194*9e86db79SHyon Kim }
195*9e86db79SHyon Kim }
196*9e86db79SHyon Kim
197*9e86db79SHyon Kim if (portDevpath) {
198*9e86db79SHyon Kim di_devfs_path_free(portDevpath);
199*9e86db79SHyon Kim }
200*9e86db79SHyon Kim
201*9e86db79SHyon Kim return (HBA_STATUS_OK);
202*9e86db79SHyon Kim }
203