1*03831d35Sstevel /*
2*03831d35Sstevel * CDDL HEADER START
3*03831d35Sstevel *
4*03831d35Sstevel * The contents of this file are subject to the terms of the
5*03831d35Sstevel * Common Development and Distribution License (the "License").
6*03831d35Sstevel * You may not use this file except in compliance with the License.
7*03831d35Sstevel *
8*03831d35Sstevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*03831d35Sstevel * or http://www.opensolaris.org/os/licensing.
10*03831d35Sstevel * See the License for the specific language governing permissions
11*03831d35Sstevel * and limitations under the License.
12*03831d35Sstevel *
13*03831d35Sstevel * When distributing Covered Code, include this CDDL HEADER in each
14*03831d35Sstevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*03831d35Sstevel * If applicable, add the following below this CDDL HEADER, with the
16*03831d35Sstevel * fields enclosed by brackets "[]" replaced with your own identifying
17*03831d35Sstevel * information: Portions Copyright [yyyy] [name of copyright owner]
18*03831d35Sstevel *
19*03831d35Sstevel * CDDL HEADER END
20*03831d35Sstevel */
21*03831d35Sstevel
22*03831d35Sstevel /*
23*03831d35Sstevel * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24*03831d35Sstevel * Use is subject to license terms.
25*03831d35Sstevel */
26*03831d35Sstevel
27*03831d35Sstevel /*
28*03831d35Sstevel * consolelog.c: support for the scadm consolelog option (to display the
29*03831d35Sstevel * service processor console log)
30*03831d35Sstevel */
31*03831d35Sstevel
32*03831d35Sstevel #include <libintl.h>
33*03831d35Sstevel #include <stdio.h>
34*03831d35Sstevel #include <string.h>
35*03831d35Sstevel #include <time.h> /* required by librsc.h */
36*03831d35Sstevel #include <limits.h>
37*03831d35Sstevel
38*03831d35Sstevel #include "librsc.h"
39*03831d35Sstevel #include "adm.h"
40*03831d35Sstevel
41*03831d35Sstevel /* #define DEBUG */
42*03831d35Sstevel
43*03831d35Sstevel void
ADM_Process_console_log(int all)44*03831d35Sstevel ADM_Process_console_log(int all)
45*03831d35Sstevel {
46*03831d35Sstevel rscp_msg_t Message;
47*03831d35Sstevel struct timespec Timeout;
48*03831d35Sstevel dp_get_console_log_r_t *rscReply;
49*03831d35Sstevel rsci64 bytes_remaining, seqno;
50*03831d35Sstevel rsci16 request_size, response_size;
51*03831d35Sstevel dp_get_console_log_t rscCmd;
52*03831d35Sstevel
53*03831d35Sstevel ADM_Start();
54*03831d35Sstevel
55*03831d35Sstevel /*
56*03831d35Sstevel * Start by sending a zero-length request to ALOM, so that
57*03831d35Sstevel * we can learn the length of the console log. We expect
58*03831d35Sstevel * ALOM to return the length of the entire log. We get
59*03831d35Sstevel * a snapshot of the length of the log here - it may however
60*03831d35Sstevel * continue to grow as we're reading it. We read only as
61*03831d35Sstevel * much of the log as we get in this snapshot.
62*03831d35Sstevel */
63*03831d35Sstevel rscCmd.start_seq = 0;
64*03831d35Sstevel rscCmd.length = 0;
65*03831d35Sstevel Message.type = DP_GET_CONSOLE_LOG;
66*03831d35Sstevel Message.len = sizeof (rscCmd);
67*03831d35Sstevel Message.data = (char *)&rscCmd;
68*03831d35Sstevel ADM_Send(&Message);
69*03831d35Sstevel
70*03831d35Sstevel Timeout.tv_nsec = 0;
71*03831d35Sstevel Timeout.tv_sec = ADM_TIMEOUT;
72*03831d35Sstevel ADM_Recv(&Message, &Timeout,
73*03831d35Sstevel DP_GET_CONSOLE_LOG_R, sizeof (*rscReply));
74*03831d35Sstevel
75*03831d35Sstevel rscReply = (dp_get_console_log_r_t *)Message.data;
76*03831d35Sstevel
77*03831d35Sstevel /*
78*03831d35Sstevel * If we do not want the whole log, and the log is bigger than
79*03831d35Sstevel * the length limit, then fetch just the last ADM_DEFAULT_LOG_LENGTH
80*03831d35Sstevel * bytes from the log. Else just get the whole thing.
81*03831d35Sstevel */
82*03831d35Sstevel if ((all == 0) && (rscReply->remaining_log_bytes >
83*03831d35Sstevel ADM_DEFAULT_LOG_LENGTH)) {
84*03831d35Sstevel bytes_remaining = ADM_DEFAULT_LOG_LENGTH;
85*03831d35Sstevel seqno = (rscReply->remaining_log_bytes +
86*03831d35Sstevel rscReply->next_seq) - bytes_remaining;
87*03831d35Sstevel } else {
88*03831d35Sstevel bytes_remaining = rscReply->remaining_log_bytes;
89*03831d35Sstevel seqno = rscReply->next_seq;
90*03831d35Sstevel }
91*03831d35Sstevel request_size = sizeof (rscReply->buffer);
92*03831d35Sstevel ADM_Free(&Message);
93*03831d35Sstevel
94*03831d35Sstevel /*
95*03831d35Sstevel * Timeout for RSC response.
96*03831d35Sstevel */
97*03831d35Sstevel Timeout.tv_nsec = 0;
98*03831d35Sstevel Timeout.tv_sec = ADM_TIMEOUT;
99*03831d35Sstevel
100*03831d35Sstevel /*
101*03831d35Sstevel * This loop runs as long as there is data in the log, or until
102*03831d35Sstevel * we hit the default limit (above). It's possible that ALOM may
103*03831d35Sstevel * shrink the log - we need to account for this. If ALOM returns
104*03831d35Sstevel * no data, we bail out.
105*03831d35Sstevel */
106*03831d35Sstevel while (bytes_remaining) {
107*03831d35Sstevel rscCmd.start_seq = seqno;
108*03831d35Sstevel rscCmd.length = (bytes_remaining < request_size) ?
109*03831d35Sstevel bytes_remaining : request_size;
110*03831d35Sstevel Message.type = DP_GET_CONSOLE_LOG;
111*03831d35Sstevel Message.len = sizeof (rscCmd);
112*03831d35Sstevel Message.data = (char *)&rscCmd;
113*03831d35Sstevel ADM_Send(&Message);
114*03831d35Sstevel
115*03831d35Sstevel ADM_Recv(&Message, &Timeout,
116*03831d35Sstevel DP_GET_CONSOLE_LOG_R, sizeof (*rscReply));
117*03831d35Sstevel
118*03831d35Sstevel rscReply = (dp_get_console_log_r_t *)Message.data;
119*03831d35Sstevel
120*03831d35Sstevel /* If ALOM returns zero bytes, we're done. */
121*03831d35Sstevel response_size = rscReply->length;
122*03831d35Sstevel if (response_size == 0) {
123*03831d35Sstevel ADM_Free(&Message);
124*03831d35Sstevel break;
125*03831d35Sstevel }
126*03831d35Sstevel bytes_remaining -= response_size;
127*03831d35Sstevel if (rscReply->remaining_log_bytes < bytes_remaining) {
128*03831d35Sstevel bytes_remaining = rscReply->remaining_log_bytes;
129*03831d35Sstevel }
130*03831d35Sstevel
131*03831d35Sstevel /*
132*03831d35Sstevel * If the byte at the original sequence number is no
133*03831d35Sstevel * longer in the log, print a message.
134*03831d35Sstevel */
135*03831d35Sstevel if (rscReply->next_seq > seqno + response_size) {
136*03831d35Sstevel printf(gettext("\nscadm: lost %d bytes of log data\n"),
137*03831d35Sstevel rscReply->next_seq - (seqno + response_size));
138*03831d35Sstevel }
139*03831d35Sstevel seqno = rscReply->next_seq;
140*03831d35Sstevel
141*03831d35Sstevel /* Print the console log */
142*03831d35Sstevel if (fwrite(rscReply->buffer, sizeof (char), response_size,
143*03831d35Sstevel stdout) != response_size) {
144*03831d35Sstevel perror(gettext("\ncouldn't write console log buffer"
145*03831d35Sstevel " to stdout"));
146*03831d35Sstevel ADM_Free(&Message);
147*03831d35Sstevel break;
148*03831d35Sstevel }
149*03831d35Sstevel ADM_Free(&Message);
150*03831d35Sstevel }
151*03831d35Sstevel putchar('\n');
152*03831d35Sstevel }
153