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/*
* Copyright (c) 2011 Douglas Gilbert.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "smp_lib.h"
/* This is a Serial Attached SCSI (SAS) management protocol (SMP) utility
* program.
*
* This utility issues a REPORT BROADCAST function and outputs its response.
*/
static char * version_str = "1.00 20110510";
#define SMP_FN_REPORT_BROADCAST_RESP_LEN (1020 + 4 + 4)
static struct option long_options[] = {
{"broadcast", 1, 0, 'b'},
{"help", 0, 0, 'h'},
{"hex", 0, 0, 'H'},
{"interface", 1, 0, 'I'},
{"raw", 0, 0, 'r'},
{"sa", 1, 0, 's'},
{"verbose", 0, 0, 'v'},
{"version", 0, 0, 'V'},
{0, 0, 0, 0},
};
static void usage()
{
fprintf(stderr, "Usage: "
"smp_rep_broadcast [--broadcast=BT] [--help] [--hex]\n"
" [--interface=PARAMS] [raw] "
"[--sa=SAS_ADDR]\n"
" [--verbose] [--version] "
"SMP_DEVICE[,N]\n"
" where:\n"
" --broadcast=RT|-b RT RT is report type (def: 0 "
"which is\n"
" Broadcast(Change))\n"
" --help|-h print out usage message\n"
" --hex|-H print response in hexadecimal\n"
" --interface=PARAMS|-I PARAMS specify or override "
"interface\n"
" --raw|-r output response in binary\n"
" --sa=SAS_ADDR|-s SAS_ADDR SAS address of SMP "
"target (use leading\n"
" '0x' or trailing 'h'). "
"Depending\n"
" on the interface, may not be "
"needed\n"
" --verbose|-v increase verbosity\n"
" --version|-V print version string and exit\n\n"
"Performs a SMP REPORT BROADCAST function\n"
);
}
static void dStrRaw(const char* str, int len)
{
int k;
for (k = 0 ; k < len; ++k)
printf("%c", str[k]);
}
int main(int argc, char * argv[])
{
int res, c, k, j, len, bd_len, num_bd, btype_hdr;
int do_hex = 0;
int btype = 0;
int do_raw = 0;
int verbose = 0;
long long sa_ll;
unsigned long long sa = 0;
char i_params[256];
char device_name[512];
char b[256];
unsigned char smp_req[] = {SMP_FRAME_TYPE_REQ, SMP_FN_REPORT_BROADCAST,
0, 1, 0, 0, 0, 0, 0, 0, 0, 0};
unsigned char smp_resp[SMP_FN_REPORT_BROADCAST_RESP_LEN];
struct smp_req_resp smp_rr;
struct smp_target_obj tobj;
int subvalue = 0;
char * cp;
unsigned char * bdp;
int ret = 0;
memset(device_name, 0, sizeof device_name);
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "b:hHI:rs:vV", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 'b':
btype = smp_get_dhnum(optarg);
if ((btype < 0) || (btype > 15)) {
fprintf(stderr, "bad argument to '--broadcast', expect "
"value from 0 to 15\n");
return SMP_LIB_SYNTAX_ERROR;
}
break;
case 'h':
case '?':
usage();
return 0;
case 'H':
++do_hex;
break;
case 'I':
strncpy(i_params, optarg, sizeof(i_params));
i_params[sizeof(i_params) - 1] = '\0';
break;
case 'r':
++do_raw;
break;
case 's':
sa_ll = smp_get_llnum(optarg);
if (-1LL == sa_ll) {
fprintf(stderr, "bad argument to '--sa'\n");
return SMP_LIB_SYNTAX_ERROR;
}
sa = (unsigned long long)sa_ll;
break;
case 'v':
++verbose;
break;
case 'V':
fprintf(stderr, "version: %s\n", version_str);
return 0;
default:
fprintf(stderr, "unrecognised switch code 0x%x ??\n", c);
usage();
return SMP_LIB_SYNTAX_ERROR;
}
}
if (optind < argc) {
if ('\0' == device_name[0]) {
strncpy(device_name, argv[optind], sizeof(device_name) - 1);
device_name[sizeof(device_name) - 1] = '\0';
++optind;
}
if (optind < argc) {
for (; optind < argc; ++optind)
fprintf(stderr, "Unexpected extra argument: %s\n",
argv[optind]);
usage();
return SMP_LIB_SYNTAX_ERROR;
}
}
if (0 == device_name[0]) {
cp = getenv("SMP_UTILS_DEVICE");
if (cp)
strncpy(device_name, cp, sizeof(device_name) - 1);
else {
fprintf(stderr, "missing device name on command line\n [Could "
"use environment variable SMP_UTILS_DEVICE instead]\n");
usage();
return SMP_LIB_SYNTAX_ERROR;
}
}
if ((cp = strchr(device_name, ','))) {
*cp = '\0';
if (1 != sscanf(cp + 1, "%d", &subvalue)) {
fprintf(stderr, "expected number after comma in SMP_DEVICE "
"name\n");
return SMP_LIB_SYNTAX_ERROR;
}
}
if (0 == sa) {
cp = getenv("SMP_UTILS_SAS_ADDR");
if (cp) {
sa_ll = smp_get_llnum(cp);
if (-1LL == sa_ll) {
fprintf(stderr, "bad value in environment variable "
"SMP_UTILS_SAS_ADDR\n");
fprintf(stderr, " use 0\n");
sa_ll = 0;
}
sa = (unsigned long long)sa_ll;
}
}
if (sa > 0) {
if (! smp_is_naa5(sa)) {
fprintf(stderr, "SAS (target) address not in naa-5 format "
"(may need leading '0x')\n");
if ('\0' == i_params[0]) {
fprintf(stderr, " use '--interface=' to override\n");
return SMP_LIB_SYNTAX_ERROR;
}
}
}
res = smp_initiator_open(device_name, subvalue, i_params, sa,
&tobj, verbose);
if (res < 0)
return SMP_LIB_FILE_ERROR;
len = (sizeof(smp_resp) - 8) / 4;
smp_req[2] = (len < 0x100) ? len : 0xff; /* Allocated Response Len */
smp_req[4] = btype & 0xf;
if (verbose) {
fprintf(stderr, " Report broadcast request: ");
for (k = 0; k < (int)sizeof(smp_req); ++k)
fprintf(stderr, "%02x ", smp_req[k]);
fprintf(stderr, "\n");
}
memset(&smp_rr, 0, sizeof(smp_rr));
smp_rr.request_len = sizeof(smp_req);
smp_rr.request = smp_req;
smp_rr.max_response_len = sizeof(smp_resp);
smp_rr.response = smp_resp;
res = smp_send_req(&tobj, &smp_rr, verbose);
if (res) {
fprintf(stderr, "smp_send_req failed, res=%d\n", res);
if (0 == verbose)
fprintf(stderr, " try adding '-v' option for more debug\n");
ret = -1;
goto err_out;
}
if (smp_rr.transport_err) {
fprintf(stderr, "smp_send_req transport_error=%d\n",
smp_rr.transport_err);
ret = -1;
goto err_out;
}
if ((smp_rr.act_response_len >= 0) && (smp_rr.act_response_len < 4)) {
fprintf(stderr, "response too short, len=%d\n",
smp_rr.act_response_len);
ret = SMP_LIB_CAT_MALFORMED;
goto err_out;
}
len = smp_resp[3];
if ((0 == len) && (0 == smp_resp[2])) {
len = smp_get_func_def_resp_len(smp_resp[1]);
if (len < 0) {
len = 0;
if (verbose > 0)
fprintf(stderr, "unable to determine response length\n");
}
}
len = 4 + (len * 4); /* length in bytes, excluding 4 byte CRC */
if (do_hex || do_raw) {
if (do_hex)
dStrHex((const char *)smp_resp, len, 1);
else
dStrRaw((const char *)smp_resp, len);
if (SMP_FRAME_TYPE_RESP != smp_resp[0])
ret = SMP_LIB_CAT_MALFORMED;
if (smp_resp[1] != smp_req[1])
ret = SMP_LIB_CAT_MALFORMED;
if (smp_resp[2]) {
ret = smp_resp[2];
if (verbose)
fprintf(stderr, "Report broadcast result: %s\n",
smp_get_func_res_str(ret, sizeof(b), b));
}
goto err_out;
}
if (SMP_FRAME_TYPE_RESP != smp_resp[0]) {
fprintf(stderr, "expected SMP frame response type, got=0x%x\n",
smp_resp[0]);
ret = SMP_LIB_CAT_MALFORMED;
goto err_out;
}
if (smp_resp[1] != smp_req[1]) {
fprintf(stderr, "Expected function code=0x%x, got=0x%x\n",
smp_req[1], smp_resp[1]);
ret = SMP_LIB_CAT_MALFORMED;
goto err_out;
}
if (smp_resp[2]) {
cp = smp_get_func_res_str(smp_resp[2], sizeof(b), b);
fprintf(stderr, "Report broadcast result: %s\n", cp);
ret = smp_resp[2];
goto err_out;
}
printf("Report broadcast response:\n");
res = (smp_resp[4] << 8) + smp_resp[5];
if (verbose || res)
printf(" Expander change count: %d\n", res);
btype_hdr = smp_resp[6] & 0xf;
printf(" broadcast type: %d\n", btype_hdr);
printf(" broadcast descriptor length: %d dwords\n", smp_resp[10]);
bd_len = smp_resp[10] * 4;
num_bd = smp_resp[11];
printf(" number of broadcast descriptors: %d\n", num_bd);
if (bd_len < 8) {
fprintf(stderr, "Unexpectedly low descriptor length: %d bytes\n",
bd_len);
ret = -1;
goto err_out;
}
bdp = smp_resp + 12;
for (k = 0; k < num_bd; ++k, bdp += bd_len) {
printf(" Descriptor %d:\n", k + 1);
if (verbose || (btype_hdr != (bdp[0] & 0xf)))
printf(" broadcast type: %d\n", bdp[0] & 0xf);
if (0xff == bdp[1])
printf(" no specific phy id\n");
else
printf(" phy id: %d\n", bdp[1]);
printf(" broadcast reason: %d\n", bdp[2] & 0xf);
printf(" broadcast count: %d\n", (bdp[4] << 8) + bdp[5]);
if (verbose > 1) {
printf(" ");
for (j = 0; j < bd_len; ++j)
printf("%02x ", bdp[j]);
printf("\n");
}
}
err_out:
res = smp_initiator_close(&tobj);
if (res < 0) {
fprintf(stderr, "close error: %s\n", safe_strerror(errno));
if (0 == ret)
return SMP_LIB_FILE_ERROR;
}
if (ret < 0)
ret = SMP_LIB_CAT_OTHER;
if (verbose && ret)
fprintf(stderr, "Exit status %d indicates error detected\n", ret);
return ret;
}
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