-/*
+/*
* os_linux.c
- *
+ *
* Home page of code is: http://smartmontools.sourceforge.net
*
- * Copyright (C) 2003-6 Bruce Allen <smartmontools-support@lists.sourceforge.net>
- * Copyright (C) 2003-6 Doug Gilbert <dougg@torque.net>
+ * Copyright (C) 2003-7 Bruce Allen <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2003-7 Doug Gilbert <dougg@torque.net>
*
* Parts of this file are derived from code that was
*
* Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
*
* Other ars of this file are derived from code that was
- *
+ *
* Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
* Copyright (C) 2000 Andre Hedrick <andre@linux-ide.org>
*
* 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/
- *
+ *
*/
// This file contains the linux-specific IOCTL parts of
// one for SCSI devices, and one for ATA devices behind escalade
// controllers.
+#include "config.h"
+
#include <errno.h>
#include <fcntl.h>
#include <glob.h>
+
#include <scsi/scsi_ioctl.h>
#include <scsi/sg.h>
#include <stdlib.h>
#include <sys/sysmacros.h>
#endif
-#include "config.h"
#include "int64.h"
#include "atacmds.h"
#include "extern.h"
#include "os_linux.h"
#include "scsicmds.h"
#include "utility.h"
+#include "extern.h"
+#include "cciss.h"
#ifndef ENOTSUP
#define ENOTSUP ENOSYS
#endif
typedef unsigned long long u8;
+
#define ARGUSED(x) ((void)(x))
-static const char *filenameandversion="$Id: os_linux.cpp,v 1.86 2006/09/12 01:16:54 sxzzsf Exp $";
+static const char *filenameandversion="$Id: os_linux.cpp,v 1.98 2008/02/17 00:30:47 dpgilbert Exp $";
-const char *os_XXXX_c_cvsid="$Id: os_linux.cpp,v 1.86 2006/09/12 01:16:54 sxzzsf Exp $" \
+const char *os_XXXX_c_cvsid="$Id: os_linux.cpp,v 1.98 2008/02/17 00:30:47 dpgilbert Exp $" \
ATACMDS_H_CVSID CONFIG_H_CVSID INT64_H_CVSID OS_LINUX_H_CVSID SCSICMDS_H_CVSID UTILITY_H_CVSID;
// to hold onto exit code for atexit routine
// global variable holding byte count of allocated memory
extern long long bytes;
-
+/* for passing global control variables */
+extern smartmonctrl *con;
/* This function will setup and fix device nodes for a 3ware controller. */
#define MAJOR_STRING_LENGTH 3
char nodestring[NODE_STRING_LENGTH];
struct stat stat_buf;
FILE *file;
-
+
/* First try to open up /proc/devices */
if (!(file = fopen("/proc/devices", "r"))) {
pout("Error opening /proc/devices to check/create 3ware device nodes\n");
syserror("fopen");
return 0; // don't fail here: user might not have /proc !
}
-
+
/* Attempt to get device major number */
while (EOF != fscanf(file, "%3s %32s", majorstring, device_name)) {
majorstring[MAJOR_STRING_LENGTH]='\0';
}
}
fclose(file);
-
+
/* See if we found a major device number */
if (!tw_major) {
pout("No major number for /dev/%s listed in /proc/devices. Is the %s driver loaded?\n", nodename, driver_name);
return 2;
}
-
+
/* Now check if nodes are correct */
for (index=0; index<16; index++) {
sprintf(nodestring, "/dev/%s%d", nodename, index);
-
+
/* Try to stat the node */
if ((stat(nodestring, &stat_buf))) {
/* Create a new node if it doesn't exist */
return 3;
}
}
-
+
/* See if nodes major and minor numbers are correct */
if ((tw_major != (int)(major(stat_buf.st_rdev))) ||
(index != (int)(minor(stat_buf.st_rdev))) ||
(!S_ISCHR(stat_buf.st_mode))) {
-
+
/* Delete the old node */
if (unlink(nodestring)) {
pout("problem unlinking stale 3ware device node %s", nodestring);
syserror("unlink");
return 4;
}
-
+
/* Make a new node */
if (mknod(nodestring, S_IFCHR|0600, makedev(tw_major, index))) {
pout("problem creating 3ware device nodes %s", nodestring);
return 0;
}
+static char prev_scsi_dev[128];
+
// equivalent to open(path, flags)
int deviceopen(const char *pathname, char *type){
- if (!strcmp(type,"SCSI")) {
- int fd = open(pathname, O_RDWR | O_NONBLOCK);
+ int fd;
+
+ if (0 == strcmp(type,"SCSI")) {
+ strncpy(prev_scsi_dev, pathname, sizeof(prev_scsi_dev) - 1);
+ fd = open(pathname, O_RDWR | O_NONBLOCK);
if (fd < 0 && errno == EROFS)
fd = open(pathname, O_RDONLY | O_NONBLOCK);
return fd;
- }
- else if (!strcmp(type,"ATA"))
- return open(pathname, O_RDONLY | O_NONBLOCK);
- else if (!strcmp(type,"ATA_3WARE_9000")) {
+ } else if (0 == strcmp(type,"ATA")) {
+ // smartd re-opens SCSI devices with "type"==ATA for some reason.
+ // If that was a SCSI generic device (e.g. /dev/sg0) then the
+ // sg driver wants O_RDWR to allow through ATA PASS-THROUGH commands.
+ // The purpose of the next code line is to limit the scope of
+ // this change as a release is pending (and smartd needs a rewrite).
+ if (0 == strncmp(pathname, prev_scsi_dev, sizeof(prev_scsi_dev)))
+ return open(pathname, O_RDWR | O_NONBLOCK);
+ else
+ return open(pathname, O_RDONLY | O_NONBLOCK);
+ } else if (0 == strcmp(type,"ATA_3WARE_9000")) {
// the device nodes for this controller are dynamically assigned,
// so we need to check that they exist with the correct major
// numbers and if not, create them
}
return open(pathname, O_RDONLY | O_NONBLOCK);
}
- else if (!strcmp(type,"ATA_3WARE_678K")) {
+ else if (0 == strcmp(type,"ATA_3WARE_678K")) {
// the device nodes for this controller are dynamically assigned,
// so we need to check that they exist with the correct major
// numbers and if not, create them
}
return open(pathname, O_RDONLY | O_NONBLOCK);
}
+ else if(0 == strcmp(type, "CCISS")) {
+ // the device is a cciss smart array device.
+ return open(pathname, O_RDWR | O_NONBLOCK);
+ }
else
return -1;
+
}
// equivalent to close(file descriptor)
int n = 0, retglob, i, lim;
char** mp;
glob_t globbuf;
-
+
memset(&globbuf, 0, sizeof(globbuf));
// in case of non-clean exit
*names=NULL;
-
+
// Use glob to look for any directory entries matching the pattern
if ((retglob=glob(pattern, GLOB_ERR, NULL, &globbuf))) {
-
+
// glob failed: free memory and return
globfree(&globbuf);
-
+
if (retglob==GLOB_NOMATCH){
pout("glob(3) found no matches for pattern %s\n", pattern);
return 0;
}
-
+
if (retglob==GLOB_NOSPACE)
pout("glob(3) ran out of memory matching pattern %s\n", pattern);
#ifdef GLOB_ABORTED // missing in old versions of glob.h
#endif
else
pout("Unexplained error in glob(3) of pattern %s\n", pattern);
-
+
return -1;
}
// did we find too many paths?
lim = ((int)globbuf.gl_pathc < max) ? (int)globbuf.gl_pathc : max;
if (lim < (int)globbuf.gl_pathc)
- pout("glob(3) found %d > MAX=%d devices matching pattern %s: ignoring %d paths\n",
+ pout("glob(3) found %d > MAX=%d devices matching pattern %s: ignoring %d paths\n",
(int)globbuf.gl_pathc, max, pattern, (int)(globbuf.gl_pathc-max));
-
+
// allocate space for up to lim number of ATA devices
if (!(mp = (char **)calloc(lim, sizeof(char*)))){
pout("Out of memory constructing scan device list\n");
return -1;
}
-
+
// now step through the list returned by glob. If not a link, copy
// to list. If it is a link, evaluate it and see if the path ends
// in "disc".
for (i=0; i<lim; i++){
int retlink;
-
+
// prepare a buffer for storing the link
char linkbuf[1024];
-
+
// see if path is a link
retlink=readlink(globbuf.gl_pathv[i], linkbuf, 1023);
-
+
// if not a link (or a strange link), keep it
if (retlink<=0 || retlink>1023)
mp[n++] = CustomStrDup(globbuf.gl_pathv[i], 1, __LINE__, filenameandversion);
}
}
}
-
+
// free memory, track memory usage
globfree(&globbuf);
mp = static_cast<char **>(realloc(mp,n*(sizeof(char*))));
bytes += n*(sizeof(char*));
-
+
// and set up return values
*names=mp;
return n;
// devices on the list, which can be >=0.
int make_device_names (char*** devlist, const char* name) {
int retval, maxdev;
-
+
#if 0
// for testing case where no device names are found
return 0;
#endif
-
+
if (!strcmp(name,"SCSI"))
retval=get_dev_names(devlist,"/dev/sd[a-z]", name, maxdev=26);
else if (!strcmp(name,"ATA"))
// if we found traditional links, we are done
if (retval>0)
return retval;
-
+
// else look for devfs entries without traditional links
return get_dev_names(devlist,"/dev/discs/disc*", name, maxdev);
}
// RETURN VALUES
// -1 if the command failed
// 0 if the command succeeded,
-// STATUS_CHECK routine:
+// STATUS_CHECK routine:
// -1 if the command failed
// 0 if the command succeeded and disk SMART status is "OK"
// 1 if the command succeeded and disk SMART status is "FAILING"
-// huge value of buffer size needed because HDIO_DRIVE_CMD assumes
-// that buff[3] is the data size. Since the ATA_SMART_AUTOSAVE and
-// ATA_SMART_AUTO_OFFLINE use values of 0xf1 and 0xf8 we need the space.
-// Otherwise a 4+512 byte buffer would be enough.
-#define STRANGE_BUFFER_LENGTH (4+512*0xf8)
+#define BUFFER_LENGTH (4+512)
int ata_command_interface(int device, smart_command_set command, int select, char *data){
- unsigned char buff[STRANGE_BUFFER_LENGTH];
+ unsigned char buff[BUFFER_LENGTH];
// positive: bytes to write to caller. negative: bytes to READ from
// caller. zero: non-data command
int copydata=0;
// Note that on return:
// buff[2] contains the ATA SECTOR COUNT REGISTER
-
+
// clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
- memset(buff, 0, STRANGE_BUFFER_LENGTH);
+ memset(buff, 0, BUFFER_LENGTH);
buff[0]=ATA_SMART_CMD;
switch (command){
buff[2]=ATA_SMART_STATUS;
break;
case AUTO_OFFLINE:
- buff[2]=ATA_SMART_AUTO_OFFLINE;
- buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
+ // NSECT is 241 for enable but no data transfer. Use TASK ioctl.
+ buff[1]=ATA_SMART_AUTO_OFFLINE;
+ buff[2]=select;
break;
case AUTOSAVE:
- buff[2]=ATA_SMART_AUTOSAVE;
- buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
+ // NSECT is 248 for enable but no data transfer. Use TASK ioctl.
+ buff[1]=ATA_SMART_AUTOSAVE;
+ buff[2]=select;
break;
case IMMEDIATE_OFFLINE:
buff[2]=ATA_SMART_IMMEDIATE_OFFLINE;
errno=ENOSYS;
return -1;
}
-
+
// This command uses the HDIO_DRIVE_TASKFILE ioctl(). This is the
// only ioctl() that can be used to WRITE data to the disk.
- if (command==WRITE_LOG) {
+ if (command==WRITE_LOG) {
unsigned char task[sizeof(ide_task_request_t)+512];
ide_task_request_t *reqtask=(ide_task_request_t *) task;
task_struct_t *taskfile=(task_struct_t *) reqtask->io_ports;
int retval;
memset(task, 0, sizeof(task));
-
+
taskfile->data = 0;
taskfile->feature = ATA_SMART_WRITE_LOG_SECTOR;
taskfile->sector_count = 1;
taskfile->high_cylinder = 0xc2;
taskfile->device_head = 0;
taskfile->command = ATA_SMART_CMD;
-
+
reqtask->data_phase = TASKFILE_OUT;
reqtask->req_cmd = IDE_DRIVE_TASK_OUT;
reqtask->out_size = 512;
reqtask->in_size = 0;
-
+
// copy user data into the task request structure
memcpy(task+sizeof(ide_task_request_t), data, 512);
-
+
if ((retval=ioctl(device, HDIO_DRIVE_TASKFILE, task))) {
if (retval==-EINVAL)
pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASKFILE_IO set\n");
}
return 0;
}
-
+
// There are two different types of ioctls(). The HDIO_DRIVE_TASK
// one is this:
- if (command==STATUS_CHECK){
+ if (command==STATUS_CHECK || command==AUTOSAVE || command==AUTO_OFFLINE){
int retval;
// NOT DOCUMENTED in /usr/src/linux/include/linux/hdreg.h. You
unsigned const char failed_lo=0xf4, failed_hi=0x2c;
buff[4]=normal_lo;
buff[5]=normal_hi;
-
+
if ((retval=ioctl(device, HDIO_DRIVE_TASK, buff))) {
if (retval==-EINVAL) {
pout("Error SMART Status command via HDIO_DRIVE_TASK failed");
syserror("Error SMART Status command failed");
return -1;
}
-
+
// Cyl low and Cyl high unchanged means "Good SMART status"
if (buff[4]==normal_lo && buff[5]==normal_hi)
return 0;
-
+
// These values mean "Bad SMART status"
if (buff[4]==failed_lo && buff[5]==failed_hi)
return 1;
-
+
// We haven't gotten output that makes sense; print out some debugging info
syserror("Error SMART Status command failed");
pout("Please get assistance from " PACKAGE_HOMEPAGE "\n");
pout("Register values returned from SMART Status command are:\n");
- pout("CMD=0x%02x\n",(int)buff[0]);
- pout("FR =0x%02x\n",(int)buff[1]);
+ pout("ST =0x%02x\n",(int)buff[0]);
+ pout("ERR=0x%02x\n",(int)buff[1]);
pout("NS =0x%02x\n",(int)buff[2]);
pout("SC =0x%02x\n",(int)buff[3]);
pout("CL =0x%02x\n",(int)buff[4]);
pout("CH =0x%02x\n",(int)buff[5]);
pout("SEL=0x%02x\n",(int)buff[6]);
- return -1;
+ return -1;
}
-
+
#if 1
// Note to people doing ports to other OSes -- don't worry about
// this block -- you can safely ignore it. I have put it here
buff[0]=(command==IDENTIFY)?ATA_IDENTIFY_PACKET_DEVICE:ATA_IDENTIFY_DEVICE;
}
#endif
-
+
// We are now doing the HDIO_DRIVE_CMD type ioctl.
if ((ioctl(device, HDIO_DRIVE_CMD, buff)))
return -1;
// if the command returns data then copy it back
if (copydata)
memcpy(data, buff+HDIO_DRIVE_CMD_OFFSET, copydata);
-
- return 0;
+
+ return 0;
}
// >>>>>> Start of general SCSI specific linux code
j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
for (k = 0; k < (int)iop->cmnd_len; ++k)
j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
- if ((report > 1) &&
+ if ((report > 1) &&
(DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
int trunc = (iop->dxfer_len > 256) ? 1 : 0;
j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
"data, len=%d%s:\n", (int)iop->dxfer_len,
(trunc ? " [only first 256 bytes shown]" : ""));
- dStrHex((const char *)iop->dxferp,
+ dStrHex((const char *)iop->dxferp,
(trunc ? 256 : iop->dxfer_len) , 1);
}
else
strerror(errno));
return -errno;
}
+ iop->resid = io_hdr.resid;
+ iop->scsi_status = io_hdr.status;
if (report > 0) {
pout(" scsi_status=0x%x, host_status=0x%x, driver_status=0x%x\n"
- " info=0x%x duration=%d milliseconds\n", io_hdr.status,
+ " info=0x%x duration=%d milliseconds resid=%d\n", io_hdr.status,
io_hdr.host_status, io_hdr.driver_status, io_hdr.info,
- io_hdr.duration);
+ io_hdr.duration, io_hdr.resid);
if (report > 1) {
if (DXFER_FROM_DEVICE == iop->dxfer_dir) {
- int trunc = (iop->dxfer_len > 256) ? 1 : 0;
-
- pout(" Incoming data, len=%d%s:\n", (int)iop->dxfer_len,
- (trunc ? " [only first 256 bytes shown]" : ""));
- dStrHex((const char*)iop->dxferp,
- (trunc ? 256 : iop->dxfer_len) , 1);
+ int trunc, len;
+
+ len = iop->dxfer_len - iop->resid;
+ trunc = (len > 256) ? 1 : 0;
+ if (len > 0) {
+ pout(" Incoming data, len=%d%s:\n", len,
+ (trunc ? " [only first 256 bytes shown]" : ""));
+ dStrHex((const char*)iop->dxferp, (trunc ? 256 : len),
+ 1);
+ } else
+ pout(" Incoming data trimmed to nothing by resid\n");
}
}
}
- iop->resid = io_hdr.resid;
- iop->scsi_status = io_hdr.status;
if (io_hdr.info | SG_INFO_CHECK) { /* error or warning */
int masked_driver_status = (LSCSI_DRIVER_MASK & io_hdr.driver_status);
if (LSCSI_DRIVER_SENSE == masked_driver_status)
iop->scsi_status = SCSI_STATUS_CHECK_CONDITION;
iop->resp_sense_len = io_hdr.sb_len_wr;
- if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
+ if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
iop->sensep && (iop->resp_sense_len > 0)) {
if (report > 1) {
pout(" >>> Sense buffer, len=%d:\n",
UINT8 buff[MAX_DXFER_LEN + 16];
};
-/* The Linux SCSI_IOCTL_SEND_COMMAND ioctl is primitive and it doesn't
+/* The Linux SCSI_IOCTL_SEND_COMMAND ioctl is primitive and it doesn't
* support: CDB length (guesses it from opcode), resid and timeout.
* Patches in Linux 2.4.21 and 2.5.70 to extend SEND DIAGNOSTIC timeout
* to 2 hours in order to allow long foreground extended self tests. */
j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
for (k = 0; k < (int)iop->cmnd_len; ++k)
j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
- if ((report > 1) &&
+ if ((report > 1) &&
(DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
int trunc = (iop->dxfer_len > 256) ? 1 : 0;
j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
"data, len=%d%s:\n", (int)iop->dxfer_len,
(trunc ? " [only first 256 bytes shown]" : ""));
- dStrHex((const char *)iop->dxferp,
+ dStrHex((const char *)iop->dxferp,
(trunc ? 256 : iop->dxfer_len) , 1);
}
else
pout(" Incoming data, len=%d%s:\n", (int)iop->dxfer_len,
(trunc ? " [only first 256 bytes shown]" : ""));
- dStrHex((const char*)iop->dxferp,
+ dStrHex((const char*)iop->dxferp,
(trunc ? 256 : iop->dxfer_len) , 1);
}
}
iop->scsi_status = SCSI_STATUS_CHECK_CONDITION;
len = (SEND_IOCTL_RESP_SENSE_LEN < iop->max_sense_len) ?
SEND_IOCTL_RESP_SENSE_LEN : iop->max_sense_len;
- if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
+ if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
iop->sensep && (len > 0)) {
memcpy(iop->sensep, wrk.buff, len);
iop->resp_sense_len = len;
return 0;
else {
if (report > 0)
- pout(" ioctl status=0x%x but scsi status=0, fail with EIO\n",
+ pout(" ioctl status=0x%x but scsi status=0, fail with EIO\n",
status);
return -EIO; /* give up, assume no device there */
}
/* SCSI command transmission interface function, linux version.
* Returns 0 if SCSI command successfully launched and response
- * received. Even when 0 is returned the caller should check
+ * received. Even when 0 is returned the caller should check
* scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
* (e.g. CHECK CONDITION). If the SCSI command could not be issued
* (e.g. device not present or timeout) or some other problem
* (e.g. timeout) then returns a negative errno value */
-int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report)
+static int do_normal_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop,
+ int report)
{
int res;
/* implementation relies on static sg_io_state variable. If not
* previously set tries the SG_IO ioctl. If that succeeds assume
* that SG_IO ioctl functional. If it fails with an errno value
- * other than ENODEV (no device) or permission then assume
+ * other than ENODEV (no device) or permission then assume
* SCSI_IOCTL_SEND_COMMAND is the only option. */
switch (sg_io_state) {
case SG_IO_PRESENT_UNKNOWN:
case SG_IO_PRESENT_YES:
return sg_io_cmnd_io(dev_fd, iop, report, 0);
default:
- pout(">>>> do_scsi_cmnd_io: bad sg_io_state=%d\n", sg_io_state);
+ pout(">>>> do_scsi_cmnd_io: bad sg_io_state=%d\n", sg_io_state);
sg_io_state = SG_IO_PRESENT_UNKNOWN;
return -EIO; /* report error and reset state */
}
}
-// >>>>>> End of general SCSI specific linux code
+/* Check and call the right interface. Maybe when the do_generic_scsi_cmd_io interface is better
+ we can take off this crude way of calling the right interface */
+ int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report)
+ {
+ switch(con->controller_type)
+ {
+ case CONTROLLER_CCISS:
+#ifdef HAVE_LINUX_CCISS_IOCTL_H
+ return cciss_io_interface(dev_fd, con->controller_port-1, iop, report);
+#else
+ {
+ static int warned = 0;
+ if (!warned) {
+ pout("CCISS support is not available in this build of smartmontools,\n"
+ "<linux/cciss_ioctl.h> was not available at build time.\n\n");
+ warned = 1;
+ }
+ }
+ errno = ENOSYS;
+ return -1;
+#endif
+ // not reached
+ break;
+ default:
+ return do_normal_scsi_cmnd_io(dev_fd, iop, report);
+ // not reached
+ break;
+ }
+ }
+// >>>>>> End of general SCSI specific linux code
// prototype
void printwarning(smart_command_set command);
// RETURN VALUES
// -1 if the command failed
// 0 if the command succeeded,
-// STATUS_CHECK routine:
+// STATUS_CHECK routine:
// -1 if the command failed
// 0 if the command succeeded and disk SMART status is "OK"
// 1 if the command succeeded and disk SMART status is "FAILING"
// only used for 9000 character device interface
TW_Ioctl_Buf_Apache *tw_ioctl_apache=NULL;
-
+
memset(ioctl_buffer, 0, TW_IOCTL_BUFFER_SIZE);
if (escalade_type==CONTROLLER_3WARE_9000_CHAR) {
// Same for (almost) all commands - but some reset below
passthru->byte0.opcode = TW_OP_ATA_PASSTHRU;
passthru->request_id = 0xFF;
- passthru->byte3.aport = disknum;
- passthru->byte3.host_id = 0;
- passthru->status = 0;
+ passthru->unit = disknum;
+ passthru->status = 0;
passthru->flags = 0x1;
passthru->drive_head = 0x0;
passthru->sector_num = 0;
// values from the ATA specifications.
passthru->cylinder_lo = 0x4F;
passthru->cylinder_hi = 0xC2;
-
+
// SMART ATA COMMAND REGISTER value
passthru->command = ATA_SMART_CMD;
-
+
// Is this a command that reads or returns 512 bytes?
// passthru->param values are:
// 0x0 - non data command without TFR write check,
passthru->size++;
}
else {
- // Non data command -- but doesn't use large sector
- // count register values.
+ // Non data command -- but doesn't use large sector
+ // count register values.
passthru->byte0.sgloff = 0x0;
passthru->size = 0x5;
passthru->param = 0x8;
passthru->sector_count = 0x0;
}
-
+
// Now set ATA registers depending upon command
switch (command){
case CHECK_POWER_MODE:
ioctlreturn=ioctl(fd, TW_CMD_PACKET_WITH_DATA, tw_ioctl_char);
else
ioctlreturn=ioctl(fd, SCSI_IOCTL_SEND_COMMAND, tw_ioctl);
-
+
// Deal with the different error cases
if (ioctlreturn) {
if (CONTROLLER_3WARE_678K==escalade_type && ((command==AUTO_OFFLINE || command==AUTOSAVE) && select)){
errno=EIO;
return -1;
}
-
+
// The passthru structure is valid after return from an ioctl if:
- // - we are using the character interface OR
+ // - we are using the character interface OR
// - we are using the SCSI interface and this is a NON-READ-DATA command
// For SCSI interface, note that we set passthru to a different
// value after ioctl().
// While we *might* decode the ATA ERROR register, at the moment it
// doesn't make much sense: we don't care in detail why the error
// happened.
-
+
if (passthru && (passthru->status || (passthru->command & 0x21))) {
errno=EIO;
return -1;
}
-
+
// If this is a read data command, copy data to output buffer
if (readdata) {
if (escalade_type==CONTROLLER_3WARE_9000_CHAR)
// For STATUS_CHECK, we need to check register values
if (command==STATUS_CHECK) {
-
+
// To find out if the SMART RETURN STATUS is good or failing, we
// need to examine the values of the Cylinder Low and Cylinder
// High Registers.
-
+
unsigned short cyl_lo=passthru->cylinder_lo;
unsigned short cyl_hi=passthru->cylinder_hi;
-
+
// If values in Cyl-LO and Cyl-HI are unchanged, SMART status is good.
if (cyl_lo==0x4F && cyl_hi==0xC2)
return 0;
-
+
// If values in Cyl-LO and Cyl-HI are as follows, SMART status is FAIL
if (cyl_lo==0xF4 && cyl_hi==0x2C)
return 1;
-
+
// Any other values mean that something has gone wrong with the command
if (CONTROLLER_3WARE_678K==escalade_type) {
printwarning(command);
return -1;
}
}
-
+
// copy sector count register (one byte!) to return data
if (command==CHECK_POWER_MODE)
*data=*(char *)&(passthru->sector_count);
-
+
// look for nonexistent devices/ports
if (command==IDENTIFY && !nonempty((unsigned char *)data, 512)) {
errno=ENODEV;
return -1;
}
-
+
return 0;
}
-int marvell_command_interface(int device,
- smart_command_set command,
- int select,
- char *data) {
- typedef struct {
+int marvell_command_interface(int device,
+ smart_command_set command,
+ int select,
+ char *data) {
+ typedef struct {
int inlen;
int outlen;
char cmd[540];
} mvsata_scsi_cmd;
-
+
int copydata = 0;
mvsata_scsi_cmd smart_command;
unsigned char *buff = (unsigned char *)&smart_command.cmd[6];
// buff[1]: ATA SECTOR NUMBER REGISTER
// buff[2]: ATA FEATURES REGISTER
// buff[3]: ATA SECTOR COUNT REGISTER
-
+
// clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
memset(&smart_command, 0, sizeof(smart_command));
smart_command.inlen = 540;
smart_command.outlen = 540;
smart_command.cmd[0] = 0xC; //Vendor-specific code
smart_command.cmd[4] = 6; //command length
-
+
buff[0] = ATA_SMART_CMD;
switch (command){
case CHECK_POWER_MODE:
pout("Unrecognized command %d in mvsata_os_specific_handler()\n", command);
exit(1);
break;
- }
+ }
// There are two different types of ioctls(). The HDIO_DRIVE_TASK
// one is this:
// We are now doing the HDIO_DRIVE_CMD type ioctl.
return 0;
}
- // Always succeed on a SMART status, as a disk that failed returned
+ // Always succeed on a SMART status, as a disk that failed returned
// buff[4]=0xF4, buff[5]=0x2C, i.e. "Bad SMART status" (see below).
if (command == STATUS)
return 0;
- //Data returned is starting from 0 offset
+ //Data returned is starting from 0 offset
if (command == STATUS_CHECK)
{
// Cyl low and Cyl high unchanged means "Good SMART status"
if (buff[4] == 0x4F && buff[5] == 0xC2)
- return 0;
+ return 0;
// These values mean "Bad SMART status"
if (buff[4] == 0xF4 && buff[5] == 0x2C)
- return 1;
+ return 1;
// We haven't gotten output that makes sense; print out some debugging info
syserror("Error SMART Status command failed");
pout("Please get assistance from %s\n",PACKAGE_BUGREPORT);
pout("CL =0x%02x\n",(int)buff[4]);
pout("CH =0x%02x\n",(int)buff[5]);
pout("SEL=0x%02x\n",(int)buff[6]);
- return -1;
- }
+ return -1;
+ }
if (copydata)
memcpy(data, buff, 512);
- return 0;
+ return 0;
}
// this implementation is derived from ata_command_interface with a header
// packing for highpoint linux driver ioctl interface
-//
+//
// ioctl(fd,HPTIO_CTL,buff)
// ^^^^^^^^^
//
// +----+----+----+----+--------------------.....---------------------+
// | 1 | 2 | 3 | 4 | 5 |
// +----+----+----+----+--------------------.....---------------------+
-//
+//
// 1: The target controller [ int ( 4 Bytes ) ]
// 2: The channel of the target controllee [ int ( 4 Bytes ) ]
// 3: HDIO_ ioctl call [ int ( 4 Bytes ) ]
// 4: the pmport that disk attached, [ int ( 4 Bytes ) ]
// if no pmport device, set to 1 or leave blank
// 5: data [ void * ( var leangth ) ]
-//
+//
+#define STRANGE_BUFFER_LENGTH (4+512*0xf8)
+
int highpoint_command_interface(int device, smart_command_set command,
int select, char *data)
+
+
{
unsigned char hpt_buff[4*sizeof(int) + STRANGE_BUFFER_LENGTH];
unsigned int *hpt = (unsigned int *)hpt_buff;
taskfile->high_cylinder = 0xc2;
taskfile->device_head = 0;
taskfile->command = ATA_SMART_CMD;
-
+
reqtask->data_phase = TASKFILE_OUT;
reqtask->req_cmd = IDE_DRIVE_TASK_OUT;
reqtask->out_size = 512;
reqtask->in_size = 0;
-
+
memcpy(task+sizeof(ide_task_request_t)+4*sizeof(int), data, 512);
if ((retval=ioctl(device, HPTIO_CTL, task))) {
}
return 0;
}
-
+
if (command==STATUS_CHECK){
int retval;
unsigned const char normal_lo=0x4f, normal_hi=0xc2;
syserror("Error SMART Status command failed");
return -1;
}
-
+
if (buff[4]==normal_lo && buff[5]==normal_hi)
return 0;
-
+
if (buff[4]==failed_lo && buff[5]==failed_hi)
return 1;
-
+
syserror("Error SMART Status command failed");
pout("Please get assistance from " PACKAGE_HOMEPAGE "\n");
pout("Register values returned from SMART Status command are:\n");
pout("CL =0x%02x\n",(int)buff[4]);
pout("CH =0x%02x\n",(int)buff[5]);
pout("SEL=0x%02x\n",(int)buff[6]);
- return -1;
+ return -1;
}
-
+
#if 1
if (command==IDENTIFY || command==PIDENTIFY) {
unsigned char deviceid[4*sizeof(int)+512*sizeof(char)];
buff[0]=(command==IDENTIFY)?ATA_IDENTIFY_PACKET_DEVICE:ATA_IDENTIFY_DEVICE;
}
#endif
-
+
hpt[2] = HDIO_DRIVE_CMD;
if ((ioctl(device, HPTIO_CTL, hpt_buff)))
return -1;
if (copydata)
memcpy(data, buff+HDIO_DRIVE_CMD_OFFSET, copydata);
-
- return 0;
+
+ return 0;
}
if (command==AUTO_OFFLINE && !printed[0]) {
printed[0]=1;
pout("The SMART AUTO-OFFLINE ENABLE command (smartmontools -o on option/Directive)\n%s", message);
- }
+ }
else if (command==AUTOSAVE && !printed[1]) {
printed[1]=1;
pout("The SMART AUTOSAVE ENABLE command (smartmontools -S on option/Directive)\n%s", message);
printed[3]=1;
pout("The SMART WRITE LOG command (smartmontools -t selective) only supported via char /dev/tw[ae] interface\n");
}
-
+
return;
}
static const char * lin_dev_scsi_tape3 = "nos";
static const char * lin_dev_3ware_9000_char = "twa";
static const char * lin_dev_3ware_678k_char = "twe";
+static const char * lin_dev_cciss_dir = "cciss/";
int guess_device_type(const char * dev_name) {
int len;
int dev_prefix_len = strlen(lin_dev_prefix);
-
+
// if dev_name null, or string length zero
if (!dev_name || !(len = strlen(dev_name)))
return CONTROLLER_UNKNOWN;
-
+
// Remove the leading /dev/... if it's there
if (!strncmp(lin_dev_prefix, dev_name, dev_prefix_len)) {
if (len <= dev_prefix_len)
// else advance pointer to following characters
dev_name += dev_prefix_len;
}
-
+
// form /dev/h* or h*
if (!strncmp(lin_dev_ata_disk_plus, dev_name,
strlen(lin_dev_ata_disk_plus)))
return CONTROLLER_ATA;
-
+
// form /dev/ide/* or ide/*
if (!strncmp(lin_dev_ata_devfs_disk_plus, dev_name,
strlen(lin_dev_ata_devfs_disk_plus)))
if (!strncmp(lin_dev_scsi_devfs_disk_plus, dev_name,
strlen(lin_dev_scsi_devfs_disk_plus)))
return CONTROLLER_SCSI;
-
+
// form /dev/ns* or ns*
if (!strncmp(lin_dev_scsi_tape1, dev_name,
strlen(lin_dev_scsi_tape1)))
return CONTROLLER_SCSI;
-
+
// form /dev/os* or os*
if (!strncmp(lin_dev_scsi_tape2, dev_name,
strlen(lin_dev_scsi_tape2)))
return CONTROLLER_SCSI;
-
+
// form /dev/nos* or nos*
if (!strncmp(lin_dev_scsi_tape3, dev_name,
strlen(lin_dev_scsi_tape3)))
if (!strncmp(lin_dev_3ware_678k_char, dev_name,
strlen(lin_dev_3ware_678k_char)))
return CONTROLLER_3WARE_678K_CHAR;
+ // form /dev/cciss*
+ if (!strncmp(lin_dev_cciss_dir, dev_name,
+ strlen(lin_dev_cciss_dir)))
+ return CONTROLLER_CCISS;
// we failed to recognize any of the forms
return CONTROLLER_UNKNOWN;
brw------- 1 root root 34, 0 Dec 31 1969 /dev/ide/host2/bus1/target0/lun0/disc
[ed@firestorm ed]$ ls -l /dev/ide/c*b*t*u*
ls: /dev/ide/c*b*t*u*: No such file or directory
-[ed@firestorm ed]$
+[ed@firestorm ed]$
Script done on Fri Nov 7 13:46:28 2003
#endif
projects / mirror_smartmontools-debian.git / blobdiff