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datastorage.cpp
os_solaris.cpp 8.72 KiB
/*
* os_solaris.c
*
* Home page of code is: http://smartmontools.sourceforge.net
*
* Copyright (C) 2003 Casper Dik <smartmontools-support@lists.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* You should have received a copy of the GNU General Public License
* (for example COPYING); if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* This code was originally developed as a Senior Thesis by Michael Cornwell
* at the Concurrent Systems Laboratory (now part of the Storage Systems
* Research Center), Jack Baskin School of Engineering, University of
* California, Santa Cruz. http://ssrc.soe.ucsc.edu/
*
*/
/*
If you want to do a solaris port, some sample code, showing how to
access SCSI data under solaris, can be found here:
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=2003721.204932.21807%40cable.prodigy.com
Please contact the smartmontools developers at:
smartmontools-support@lists.sourceforge.net
*/
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <dirent.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/param.h>
// These are needed to define prototypes for the functions defined below
#include "config.h"
#include "atacmds.h"
#include "scsicmds.h"
#include "utility.h"
// This is to include whatever prototypes you define in os_solaris.h
#include "os_solaris.h"
extern long long bytes;
const char *os_XXXX_c_cvsid="$Id: os_solaris.cpp,v 1.8 2003/10/26 02:20:40 ballen4705 Exp $" \
ATACMDS_H_CVSID CONFIG_H_CVSID OS_XXXX_H_CVSID SCSICMDS_H_CVSID UTILITY_H_CVSID;
// The printwarning() function warns about unimplemented functions
int printedout[2];
char *unimplemented[2]={
"ATA command routine ata_command_interface()",
"3ware Escalade Controller command routine escalade_command_interface()",
};
int printwarning(int which){
if (!unimplemented[which])
return 0;
if (printedout[which])
return 1;
printedout[which]=1;
pout("\n" "#######################################################################\n"
"%s NOT IMPLEMENTED under Solaris.\n"
"Please contact " PACKAGE_BUGREPORT " if\n"
"you want to help in porting smartmontools to Solaris.\n"
"#######################################################################\n"
"\n",
unimplemented[which]);
return 1;
}
static const char *uscsidrvrs[] = {
"sd",
"ssd",
"st"
};
static const char *atadrvrs[] = {
"cmdk",
"dad",
};
static int
isdevtype(const char *dev_name, const char *table[], int tsize)
{
char devpath[MAXPATHLEN];
int i;
char *basename;
if (realpath(dev_name, devpath) == NULL)
return 0;
if ((basename = strrchr(devpath, '/')) == NULL)
return 0;
basename++;
for (i = 0; i < tsize; i++) {
int l = strlen(table[i]);
if (strncmp(basename, table[i], l) == 0 && basename[l] == '@')
return 1;
}
return 0;
}
static int
isscsidev(const char *path)
{
return isdevtype(path, uscsidrvrs, sizeof (uscsidrvrs) / sizeof (char *));
}
static int
isatadev(const char *path)
{
return isdevtype(path, atadrvrs, sizeof (atadrvrs) / sizeof (char *));
}
// tries to guess device type given the name (a path)
int guess_device_type (const char* dev_name) {
if (isscsidev(dev_name))
return GUESS_DEVTYPE_SCSI;
else if (isatadev(dev_name))
return GUESS_DEVTYPE_ATA;
else
return GUESS_DEVTYPE_DONT_KNOW;
}
struct pathlist {
char **names;
int nnames; int maxnames;
};
static int
addpath(const char *path, struct pathlist *res)
{
if (++res->nnames > res->maxnames) {
res->maxnames += 16;
res->names = realloc(res->names, res->maxnames * sizeof (char *));
if (res->names == NULL)
return -1;
bytes += 16*sizeof(char *);
}
if (!(res->names[res->nnames-1] = CustomStrDup((char *)path, 1, __LINE__, __FILE__)))
return -1;
return 0;
}
static int
grokdir(const char *dir, struct pathlist *res, int testfun(const char *))
{
char pathbuf[MAXPATHLEN];
size_t len;
DIR *dp;
struct dirent *de;
int isdisk = strstr(dir, "dsk") != NULL;
char *p;
len = snprintf(pathbuf, sizeof (pathbuf), "%s/", dir);
if (len >= sizeof (pathbuf))
return -1;
dp = opendir(dir);
if (dp == NULL)
return 0;
while ((de = readdir(dp)) != NULL) {
if (de->d_name[0] == '.')
continue;
if (strlen(de->d_name) + len >= sizeof (pathbuf))
continue;
if (isdisk) {
/* Disk represented by slice 0 */
p = strstr(de->d_name, "s0");
/* String doesn't end in "s0\0" */
if (p == NULL || p[2] != '\0')
continue;
} else {
/* Tape drive represented by the all-digit device */
for (p = de->d_name; *p; p++)
if (!isdigit((int)(*p)))
break;
if (*p != '\0')
continue;
}
strcpy(&pathbuf[len], de->d_name);
if (testfun(pathbuf)) {
if (addpath(pathbuf, res) == -1) {
closedir(dp);
return -1;
}
}
}
closedir(dp);
return 0;
}
// makes a list of ATA or SCSI devices for the DEVICESCAN directive of
// smartd. Returns number of devices, or -1 if out of memory.
int make_device_names (char*** devlist, const char* name) {
struct pathlist res;
res.nnames = res.maxnames = 0;
res.names = NULL;
if (strcmp(name, "SCSI") == 0) {
if (grokdir("/dev/rdsk", &res, isscsidev) == -1)
return -1;
if (grokdir("/dev/rmt", &res, isscsidev) == -1)
return -1;
// shrink array to min possible size
res.names = realloc(res.names, res.nnames * sizeof (char *));
bytes -= sizeof(char *)*(res.maxnames-res.nnames);
// pass list back
*devlist = res.names;
return res.nnames;
}
// ATA case not implemented
*devlist=NULL;
return 0;
}
// Like open(). Return integer handle, used by functions below only.
// type="ATA" or "SCSI".
int deviceopen(const char *pathname, char *type){
if (!strcmp(type,"SCSI"))
return open(pathname, O_RDWR | O_NONBLOCK);
else if (!strcmp(type,"ATA"))
return open(pathname, O_RDONLY | O_NONBLOCK);
else
return -1;
}
// Like close(). Acts on handles returned by above function.
int deviceclose(int fd){
return close(fd);
}
// Interface to ATA devices. See os_linux.c
int ata_command_interface(int fd, smart_command_set command, int select, char *data){
if (printwarning(0))
return -1;
return -1;
}
// Interface to ATA devices behind 3ware escalade RAID controller cards. See os_linux.c
int escalade_command_interface(int fd, int disknum, smart_command_set command, int select, char *data){
if (printwarning(1))
return -1;
return -1;
}
#include <errno.h>
#include <sys/scsi/generic/commands.h>
#include <sys/scsi/generic/status.h>
#include <sys/scsi/impl/types.h>
#include <sys/scsi/impl/uscsi.h>
// Interface to SCSI devices. See os_linux.c
int do_scsi_cmnd_io(int fd, struct scsi_cmnd_io * iop, int report) {
struct uscsi_cmd uscsi;
if (report > 0) {
int k; const unsigned char * ucp = iop->cmnd;
const char * np;
np = scsi_get_opcode_name(ucp[0]);
pout(" [%s: ", np ? np : "<unknown opcode>");
for (k = 0; k < iop->cmnd_len; ++k)
pout("%02x ", ucp[k]);
if ((report > 1) &&
(DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
int trunc = (iop->dxfer_len > 256) ? 1 : 0;
pout("]\n Outgoing data, len=%d%s:\n", (int)iop->dxfer_len,
(trunc ? " [only first 256 bytes shown]" : ""));
dStrHex((char *)iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
else
pout("]");
}
memset(&uscsi, 0, sizeof (uscsi));
uscsi.uscsi_cdb = (void *)iop->cmnd;
uscsi.uscsi_cdblen = iop->cmnd_len;
if (iop->timeout == 0)
uscsi.uscsi_timeout = 60; /* XXX */
else
uscsi.uscsi_timeout = iop->timeout;
uscsi.uscsi_bufaddr = (void *)iop->dxferp;
uscsi.uscsi_buflen = iop->dxfer_len;
uscsi.uscsi_rqbuf = (void *)iop->sensep;
uscsi.uscsi_rqlen = iop->max_sense_len;
switch (iop->dxfer_dir) {
case DXFER_NONE:
case DXFER_FROM_DEVICE:
uscsi.uscsi_flags = USCSI_READ;
break;
case DXFER_TO_DEVICE:
uscsi.uscsi_flags = USCSI_WRITE;
break;
default:
return -EINVAL;
}
uscsi.uscsi_flags |= USCSI_ISOLATE;
if (ioctl(fd, USCSICMD, &uscsi))
return -errno;
iop->scsi_status = uscsi.uscsi_status;
iop->resid = uscsi.uscsi_resid;
iop->resp_sense_len = iop->max_sense_len - uscsi.uscsi_rqresid;
if (report > 0) {
int trunc = (iop->dxfer_len > 256) ? 1 : 0;
pout(" status=0\n");
pout(" Incoming data, len=%d%s:\n", (int)iop->dxfer_len,
(trunc ? " [only first 256 bytes shown]" : ""));
dStrHex((char *)iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
return (0);
}