1*10652SHyon.Kim@Sun.COM /*
2*10652SHyon.Kim@Sun.COM * CDDL HEADER START
3*10652SHyon.Kim@Sun.COM *
4*10652SHyon.Kim@Sun.COM * The contents of this file are subject to the terms of the
5*10652SHyon.Kim@Sun.COM * Common Development and Distribution License (the "License").
6*10652SHyon.Kim@Sun.COM * You may not use this file except in compliance with the License.
7*10652SHyon.Kim@Sun.COM *
8*10652SHyon.Kim@Sun.COM * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*10652SHyon.Kim@Sun.COM * or http://www.opensolaris.org/os/licensing.
10*10652SHyon.Kim@Sun.COM * See the License for the specific language governing permissions
11*10652SHyon.Kim@Sun.COM * and limitations under the License.
12*10652SHyon.Kim@Sun.COM *
13*10652SHyon.Kim@Sun.COM * When distributing Covered Code, include this CDDL HEADER in each
14*10652SHyon.Kim@Sun.COM * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*10652SHyon.Kim@Sun.COM * If applicable, add the following below this CDDL HEADER, with the
16*10652SHyon.Kim@Sun.COM * fields enclosed by brackets "[]" replaced with your own identifying
17*10652SHyon.Kim@Sun.COM * information: Portions Copyright [yyyy] [name of copyright owner]
18*10652SHyon.Kim@Sun.COM *
19*10652SHyon.Kim@Sun.COM * CDDL HEADER END
20*10652SHyon.Kim@Sun.COM */
21*10652SHyon.Kim@Sun.COM
22*10652SHyon.Kim@Sun.COM /*
23*10652SHyon.Kim@Sun.COM * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24*10652SHyon.Kim@Sun.COM * Use is subject to license terms.
25*10652SHyon.Kim@Sun.COM */
26*10652SHyon.Kim@Sun.COM
27*10652SHyon.Kim@Sun.COM #include <sun_sas.h>
28*10652SHyon.Kim@Sun.COM #include <sys/types.h>
29*10652SHyon.Kim@Sun.COM #include <sys/stat.h>
30*10652SHyon.Kim@Sun.COM #include <fcntl.h>
31*10652SHyon.Kim@Sun.COM #include <unistd.h>
32*10652SHyon.Kim@Sun.COM #include <libdevinfo.h>
33*10652SHyon.Kim@Sun.COM #include <netinet/in.h>
34*10652SHyon.Kim@Sun.COM #include <inttypes.h>
35*10652SHyon.Kim@Sun.COM
36*10652SHyon.Kim@Sun.COM /*
37*10652SHyon.Kim@Sun.COM * structure for di_devlink_walk
38*10652SHyon.Kim@Sun.COM */
39*10652SHyon.Kim@Sun.COM typedef struct walk_devlink {
40*10652SHyon.Kim@Sun.COM char *path;
41*10652SHyon.Kim@Sun.COM size_t len;
42*10652SHyon.Kim@Sun.COM char **linkpp;
43*10652SHyon.Kim@Sun.COM } walk_devlink_t;
44*10652SHyon.Kim@Sun.COM
45*10652SHyon.Kim@Sun.COM /*
46*10652SHyon.Kim@Sun.COM * Free the phy allocation.
47*10652SHyon.Kim@Sun.COM */
48*10652SHyon.Kim@Sun.COM static void
free_phy_info(struct sun_sas_port * port_ptr)49*10652SHyon.Kim@Sun.COM free_phy_info(struct sun_sas_port *port_ptr)
50*10652SHyon.Kim@Sun.COM {
51*10652SHyon.Kim@Sun.COM struct phy_info *phy_ptr, *last_phy;
52*10652SHyon.Kim@Sun.COM
53*10652SHyon.Kim@Sun.COM phy_ptr = port_ptr->first_phy;
54*10652SHyon.Kim@Sun.COM while (phy_ptr != NULL) {
55*10652SHyon.Kim@Sun.COM last_phy = phy_ptr;
56*10652SHyon.Kim@Sun.COM phy_ptr = phy_ptr->next;
57*10652SHyon.Kim@Sun.COM free(last_phy);
58*10652SHyon.Kim@Sun.COM }
59*10652SHyon.Kim@Sun.COM
60*10652SHyon.Kim@Sun.COM port_ptr->first_phy = NULL;
61*10652SHyon.Kim@Sun.COM
62*10652SHyon.Kim@Sun.COM }
63*10652SHyon.Kim@Sun.COM
64*10652SHyon.Kim@Sun.COM /*
65*10652SHyon.Kim@Sun.COM * callback funtion for di_devlink_walk
66*10652SHyon.Kim@Sun.COM * Find matching /dev link for the given path argument.
67*10652SHyon.Kim@Sun.COM * devlink element and callback function argument.
68*10652SHyon.Kim@Sun.COM * The input path is expected to not have "/devices".
69*10652SHyon.Kim@Sun.COM */
70*10652SHyon.Kim@Sun.COM extern HBA_STATUS
get_phy_info(di_node_t node,struct sun_sas_port * port_ptr)71*10652SHyon.Kim@Sun.COM get_phy_info(di_node_t node, struct sun_sas_port *port_ptr)
72*10652SHyon.Kim@Sun.COM {
73*10652SHyon.Kim@Sun.COM const char ROUTINE[] = "get_phy_info";
74*10652SHyon.Kim@Sun.COM char *portDevpath = NULL;
75*10652SHyon.Kim@Sun.COM uchar_t *propByteData = NULL;
76*10652SHyon.Kim@Sun.COM struct phy_info *phy_ptr;
77*10652SHyon.Kim@Sun.COM uint_t nvcount;
78*10652SHyon.Kim@Sun.COM int rval, count, i;
79*10652SHyon.Kim@Sun.COM nvlist_t *nvl, **phyInfoVal;
80*10652SHyon.Kim@Sun.COM uint8_t phyId;
81*10652SHyon.Kim@Sun.COM int8_t negoRate, prgmMinRate, prgmMaxRate, hwMinRate, hwMaxRate;
82*10652SHyon.Kim@Sun.COM
83*10652SHyon.Kim@Sun.COM /*
84*10652SHyon.Kim@Sun.COM * When path is specified, it doesn't have minor
85*10652SHyon.Kim@Sun.COM * name. Therefore, the ../.. prefixes needs to be stripped.
86*10652SHyon.Kim@Sun.COM */
87*10652SHyon.Kim@Sun.COM if ((portDevpath = di_devfs_path(node)) == NULL) {
88*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
89*10652SHyon.Kim@Sun.COM "Unable to get device path from portNode.");
90*10652SHyon.Kim@Sun.COM }
91*10652SHyon.Kim@Sun.COM
92*10652SHyon.Kim@Sun.COM count = di_prop_lookup_bytes(DDI_DEV_T_ANY, node, "phy-info",
93*10652SHyon.Kim@Sun.COM (uchar_t **)&propByteData);
94*10652SHyon.Kim@Sun.COM if (count < 0) {
95*10652SHyon.Kim@Sun.COM if (portDevpath) {
96*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
97*10652SHyon.Kim@Sun.COM "Property phy-info not found on port %s%s",
98*10652SHyon.Kim@Sun.COM DEVICES_DIR, portDevpath);
99*10652SHyon.Kim@Sun.COM di_devfs_path_free(portDevpath);
100*10652SHyon.Kim@Sun.COM } else {
101*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE, "Property phy-info not found.");
102*10652SHyon.Kim@Sun.COM }
103*10652SHyon.Kim@Sun.COM return (HBA_STATUS_ERROR);
104*10652SHyon.Kim@Sun.COM } else {
105*10652SHyon.Kim@Sun.COM rval = nvlist_unpack((char *)propByteData, count, &nvl, 0);
106*10652SHyon.Kim@Sun.COM if (rval != 0) {
107*10652SHyon.Kim@Sun.COM if (portDevpath) {
108*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
109*10652SHyon.Kim@Sun.COM "nvlist_unpack failed on port %s%s",
110*10652SHyon.Kim@Sun.COM DEVICES_DIR, portDevpath);
111*10652SHyon.Kim@Sun.COM di_devfs_path_free(portDevpath);
112*10652SHyon.Kim@Sun.COM } else {
113*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
114*10652SHyon.Kim@Sun.COM "nvlist_unpack failed.");
115*10652SHyon.Kim@Sun.COM }
116*10652SHyon.Kim@Sun.COM return (HBA_STATUS_ERROR);
117*10652SHyon.Kim@Sun.COM } else {
118*10652SHyon.Kim@Sun.COM rval = nvlist_lookup_nvlist_array(nvl, "phy-info-nvl",
119*10652SHyon.Kim@Sun.COM &phyInfoVal, &nvcount);
120*10652SHyon.Kim@Sun.COM if (rval != 0) {
121*10652SHyon.Kim@Sun.COM if (portDevpath) {
122*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
123*10652SHyon.Kim@Sun.COM "nvlist array phy-info-nvl not\
124*10652SHyon.Kim@Sun.COM found on port %s%s", DEVICES_DIR,
125*10652SHyon.Kim@Sun.COM portDevpath);
126*10652SHyon.Kim@Sun.COM di_devfs_path_free(portDevpath);
127*10652SHyon.Kim@Sun.COM } else {
128*10652SHyon.Kim@Sun.COM log(LOG_DEBUG, ROUTINE,
129*10652SHyon.Kim@Sun.COM "nvlist array phy-info-nvl not\
130*10652SHyon.Kim@Sun.COM found");
131*10652SHyon.Kim@Sun.COM }
132*10652SHyon.Kim@Sun.COM nvlist_free(nvl);
133*10652SHyon.Kim@Sun.COM return (HBA_STATUS_ERROR);
134*10652SHyon.Kim@Sun.COM } else {
135*10652SHyon.Kim@Sun.COM /* indentation moved */
136*10652SHyon.Kim@Sun.COM for (i = 0; i < nvcount; i++) {
137*10652SHyon.Kim@Sun.COM if (nvlist_lookup_uint8(phyInfoVal[i],
138*10652SHyon.Kim@Sun.COM "PhyIdentifier", &phyId) != 0) {
139*10652SHyon.Kim@Sun.COM /* Indicate a failure : no better way to set */
140*10652SHyon.Kim@Sun.COM phyId = 0xff;
141*10652SHyon.Kim@Sun.COM }
142*10652SHyon.Kim@Sun.COM if (nvlist_lookup_int8(phyInfoVal[i],
143*10652SHyon.Kim@Sun.COM "NegotiatedLinkRate", &negoRate) != 0) {
144*10652SHyon.Kim@Sun.COM negoRate = HBA_SASSTATE_UNKNOWN;
145*10652SHyon.Kim@Sun.COM }
146*10652SHyon.Kim@Sun.COM if (nvlist_lookup_int8(phyInfoVal[i],
147*10652SHyon.Kim@Sun.COM "ProgrammedMinLinkRate", &prgmMinRate) != 0) {
148*10652SHyon.Kim@Sun.COM prgmMinRate = HBA_SASSTATE_UNKNOWN;
149*10652SHyon.Kim@Sun.COM }
150*10652SHyon.Kim@Sun.COM if (nvlist_lookup_int8(phyInfoVal[i],
151*10652SHyon.Kim@Sun.COM "ProgrammedMaxLinkRate", &prgmMaxRate) != 0) {
152*10652SHyon.Kim@Sun.COM prgmMaxRate = HBA_SASSTATE_UNKNOWN;
153*10652SHyon.Kim@Sun.COM }
154*10652SHyon.Kim@Sun.COM if (nvlist_lookup_int8(phyInfoVal[i],
155*10652SHyon.Kim@Sun.COM "HardwareMinLinkRate", &hwMinRate) != 0) {
156*10652SHyon.Kim@Sun.COM hwMinRate = HBA_SASSTATE_UNKNOWN;
157*10652SHyon.Kim@Sun.COM }
158*10652SHyon.Kim@Sun.COM if (nvlist_lookup_int8(phyInfoVal[i],
159*10652SHyon.Kim@Sun.COM "HardwareMaxLinkRate", &hwMaxRate) != 0) {
160*10652SHyon.Kim@Sun.COM hwMaxRate = HBA_SASSTATE_UNKNOWN;
161*10652SHyon.Kim@Sun.COM }
162*10652SHyon.Kim@Sun.COM
163*10652SHyon.Kim@Sun.COM if ((phy_ptr = (struct phy_info *)calloc(1,
164*10652SHyon.Kim@Sun.COM sizeof (struct phy_info))) == NULL) {
165*10652SHyon.Kim@Sun.COM OUT_OF_MEMORY(ROUTINE);
166*10652SHyon.Kim@Sun.COM if (portDevpath)
167*10652SHyon.Kim@Sun.COM di_devfs_path_free(portDevpath);
168*10652SHyon.Kim@Sun.COM free_phy_info(port_ptr);
169*10652SHyon.Kim@Sun.COM nvlist_free(nvl);
170*10652SHyon.Kim@Sun.COM return (HBA_STATUS_ERROR);
171*10652SHyon.Kim@Sun.COM }
172*10652SHyon.Kim@Sun.COM phy_ptr->phy.PhyIdentifier = phyId;
173*10652SHyon.Kim@Sun.COM phy_ptr->phy.NegotiatedLinkRate = negoRate;
174*10652SHyon.Kim@Sun.COM phy_ptr->phy.ProgrammedMinLinkRate = prgmMinRate;
175*10652SHyon.Kim@Sun.COM phy_ptr->phy.ProgrammedMaxLinkRate = prgmMaxRate;
176*10652SHyon.Kim@Sun.COM phy_ptr->phy.HardwareMinLinkRate = hwMinRate;
177*10652SHyon.Kim@Sun.COM phy_ptr->phy.HardwareMaxLinkRate = hwMaxRate;
178*10652SHyon.Kim@Sun.COM /*
179*10652SHyon.Kim@Sun.COM * we will fill domain port later.
180*10652SHyon.Kim@Sun.COM */
181*10652SHyon.Kim@Sun.COM (void) memset(phy_ptr->phy.domainPortWWN.wwn, 0, 8);
182*10652SHyon.Kim@Sun.COM phy_ptr->index = i;
183*10652SHyon.Kim@Sun.COM if (port_ptr->first_phy == NULL) {
184*10652SHyon.Kim@Sun.COM port_ptr->first_phy = phy_ptr;
185*10652SHyon.Kim@Sun.COM } else {
186*10652SHyon.Kim@Sun.COM phy_ptr->next = port_ptr->first_phy;
187*10652SHyon.Kim@Sun.COM port_ptr->first_phy = phy_ptr;
188*10652SHyon.Kim@Sun.COM }
189*10652SHyon.Kim@Sun.COM
190*10652SHyon.Kim@Sun.COM }
191*10652SHyon.Kim@Sun.COM nvlist_free(nvl);
192*10652SHyon.Kim@Sun.COM /* end of indentation move */
193*10652SHyon.Kim@Sun.COM }
194*10652SHyon.Kim@Sun.COM }
195*10652SHyon.Kim@Sun.COM }
196*10652SHyon.Kim@Sun.COM
197*10652SHyon.Kim@Sun.COM if (portDevpath) {
198*10652SHyon.Kim@Sun.COM di_devfs_path_free(portDevpath);
199*10652SHyon.Kim@Sun.COM }
200*10652SHyon.Kim@Sun.COM
201*10652SHyon.Kim@Sun.COM return (HBA_STATUS_OK);
202*10652SHyon.Kim@Sun.COM }
203