*
* Copyright (C) 2003-11 Bruce Allen
* Copyright (C) 2003-11 Doug Gilbert <dgilbert@interlog.com>
-<<<<<<< HEAD
- * Copyright (C) 2008-16 Christian Franke
-=======
- * Copyright (C) 2008-15 Christian Franke <smartmontools-support@lists.sourceforge.net>
->>>>>>> 3d8ad6fa4529eb02ae1391a1e937bf57aad3fb74
+ * Copyright (C) 2008-18 Christian Franke
*
* Original AACRaid code:
* Copyright (C) 2014 Raghava Aditya <raghava.aditya@pmcs.com>
*
* Copyright (C) 1999-2003 3ware Inc.
*
- * Kernel compat
ablity By: Andre Hedrick <andre@suse.com>
+ * Kernel compat
ibility By: Andre Hedrick <andre@suse.com>
* 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>
*
- * 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, see <http://www.gnu.org/licenses/>.
- *
- * 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/
- *
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
// This file contains the linux-specific IOCTL parts of
#include <scsi/scsi.h>
#include <scsi/scsi_ioctl.h>
#include <scsi/sg.h>
+#include <linux/bsg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <sys/types.h>
#include <dirent.h>
-#ifndef makedev // old versions of types.h do not include sysmacros.h
+#ifdef HAVE_SYS_SYSMACROS_H
+// glibc 2.25: The inclusion of <sys/sysmacros.h> by <sys/types.h> is
+// deprecated. A warning is printed if major(), minor() or makedev()
+// is used but <sys/sysmacros.h> is not included.
#include <sys/sysmacros.h>
#endif
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
#include <selinux/selinux.h>
#endif
-#include "int64.h"
#include "atacmds.h"
#include "os_linux.h"
#include "scsicmds.h"
#include "cciss.h"
#include "megaraid.h"
#include "aacraid.h"
+#include "nvmecmds.h"
#include "dev_interface.h"
#include "dev_ata_cmd_set.h"
#define ARGUSED(x) ((void)(x))
-<<<<<<< HEAD
-const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 4295 2016-04-15 20:01:32Z chrfranke $"
-=======
-const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 4047 2015-03-22 16:16:24Z chrfranke $"
->>>>>>> 3d8ad6fa4529eb02ae1391a1e937bf57aad3fb74
+const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 4854 2018-12-11 20:32:29Z chrfranke $"
OS_LINUX_H_CVSID;
extern unsigned char failuretest_permissive;
// copy user data into the task request structure
memcpy(task+sizeof(ide_task_request_t), data, 512);
-<<<<<<< HEAD
if (ioctl(get_fd(), HDIO_DRIVE_TASKFILE, task)) {
if (errno==EINVAL)
pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASK_IOCTL set\n");
-=======
- if ((retval=ioctl(get_fd(), HDIO_DRIVE_TASKFILE, task))) {
- if (errno==-EINVAL)
- pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASKFILE_IO set\n");
->>>>>>> 3d8ad6fa4529eb02ae1391a1e937bf57aad3fb74
return -1;
}
return 0;
buff[4]=normal_lo;
buff[5]=normal_hi;
-<<<<<<< HEAD
if (ioctl(get_fd(), HDIO_DRIVE_TASK, buff)) {
if (errno==EINVAL) {
-=======
- if ((retval=ioctl(get_fd(), HDIO_DRIVE_TASK, buff))) {
- if (errno==-EINVAL) {
->>>>>>> 3d8ad6fa4529eb02ae1391a1e937bf57aad3fb74
pout("Error SMART Status command via HDIO_DRIVE_TASK failed");
pout("Rebuild older linux 2.2 kernels with HDIO_DRIVE_TASK support added\n");
}
#define SCSI_IOCTL_SEND_COMMAND 1
#endif
-#define SG_IO_PRESENT_UNKNOWN 0
-#define SG_IO_PRESENT_YES 1
-#define SG_IO_PRESENT_NO 2
+#define SG_IO_USE_DETECT 0
+#define SG_IO_UNSUPP 1
+#define SG_IO_USE_V3 3
+#define SG_IO_USE_V4 4
static int sg_io_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report,
- int unknown);
+ int sgio_ver);
static int sisc_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);
-static int sg_io_state = SG_IO_PRESENT_UNKNOWN;
+static int sg_io_state = SG_IO_USE_DETECT;
/* Preferred implementation for issuing SCSI commands in linux. This
* function uses the SG_IO ioctl. Return 0 if command issued successfully
* (various status values should still be checked). If the SCSI command
* cannot be issued then a negative errno value is returned. */
static int sg_io_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report,
- int unknown)
+ int sg_io_ver)
{
#ifndef SG_IO
ARGUSED(dev_fd); ARGUSED(iop); ARGUSED(report);
return -ENOTTY;
#else
- struct sg_io_hdr io_hdr;
+
+ /* we are filling structures for both versions, but using only one requested */
+ struct sg_io_hdr io_hdr_v3;
+ struct sg_io_v4 io_hdr_v4;
+
+#ifdef SCSI_CDB_CHECK
+ bool ok = is_scsi_cdb(iop->cmnd, iop->cmnd_len);
+ if (! ok) {
+ int n = iop->cmnd_len;
+ const unsigned char * ucp = iop->cmnd;
+
+ pout(">>>>>>>> %s: cdb seems invalid, opcode=0x%x, len=%d, cdb:\n",
+ __func__, ((n > 0) ? ucp[0] : 0), n);
+ if (n > 0) {
+ if (n > 16)
+ pout(" <<truncating to first 16 bytes>>\n");
+ dStrHex((const uint8_t *)ucp, ((n > 16) ? 16 : n), 1);
+ }
+ }
+#endif
if (report > 0) {
int k, j;
char buff[256];
const int sz = (int)sizeof(buff);
+ pout(">>>> do_scsi_cmnd_io: sg_io_ver=%d\n", sg_io_ver);
np = scsi_get_opcode_name(ucp[0]);
j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
for (k = 0; k < (int)iop->cmnd_len; ++k)
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,
- (trunc ? 256 : iop->dxfer_len) , 1);
+ dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
else
snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
pout("%s", buff);
}
- memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
- io_hdr.interface_id = 'S';
- io_hdr.cmd_len = iop->cmnd_len;
- io_hdr.mx_sb_len = iop->max_sense_len;
- io_hdr.dxfer_len = iop->dxfer_len;
- io_hdr.dxferp = iop->dxferp;
- io_hdr.cmdp = iop->cmnd;
- io_hdr.sbp = iop->sensep;
+ memset(&io_hdr_v3, 0, sizeof(struct sg_io_hdr));
+ memset(&io_hdr_v4, 0, sizeof(struct sg_io_v4));
+
+ io_hdr_v3.interface_id = 'S';
+ io_hdr_v3.cmd_len = iop->cmnd_len;
+ io_hdr_v3.mx_sb_len = iop->max_sense_len;
+ io_hdr_v3.dxfer_len = iop->dxfer_len;
+ io_hdr_v3.dxferp = iop->dxferp;
+ io_hdr_v3.cmdp = iop->cmnd;
+ io_hdr_v3.sbp = iop->sensep;
/* sg_io_hdr interface timeout has millisecond units. Timeout of 0
defaults to 60 seconds. */
- io_hdr.timeout = ((0 == iop->timeout) ? 60 : iop->timeout) * 1000;
+ io_hdr_v3.timeout = ((0 == iop->timeout) ? 60 : iop->timeout) * 1000;
+
+ io_hdr_v4.guard = 'Q';
+ io_hdr_v4.request_len = iop->cmnd_len;
+ io_hdr_v4.request = __u64(iop->cmnd);
+ io_hdr_v4.max_response_len = iop->max_sense_len;
+ io_hdr_v4.response = __u64(iop->sensep);
+ io_hdr_v4.timeout = ((0 == iop->timeout) ? 60 : iop->timeout) * 1000; // msec
+
switch (iop->dxfer_dir) {
case DXFER_NONE:
- io_hdr.dxfer_direction = SG_DXFER_NONE;
+ io_hdr_v3.dxfer_direction = SG_DXFER_NONE;
break;
case DXFER_FROM_DEVICE:
- io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+ io_hdr_v3.dxfer_direction = SG_DXFER_FROM_DEV;
+ io_hdr_v4.din_xfer_len = iop->dxfer_len;
+ io_hdr_v4.din_xferp = __u64(iop->dxferp);
break;
case DXFER_TO_DEVICE:
- io_hdr.dxfer_direction = SG_DXFER_TO_DEV;
+ io_hdr_v3.dxfer_direction = SG_DXFER_TO_DEV;
+ io_hdr_v4.dout_xfer_len = iop->dxfer_len;
+ io_hdr_v4.dout_xferp = __u64(iop->dxferp);
break;
default:
pout("do_scsi_cmnd_io: bad dxfer_dir\n");
return -EINVAL;
}
+
iop->resp_sense_len = 0;
iop->scsi_status = 0;
iop->resid = 0;
- if (ioctl(dev_fd, SG_IO, &io_hdr) < 0) {
- if (report && (! unknown))
- pout(" SG_IO ioctl failed, errno=%d [%s]\n", errno,
- strerror(errno));
+
+ void * io_hdr = NULL;
+
+ switch (sg_io_ver) {
+ case SG_IO_USE_V3:
+ io_hdr = &io_hdr_v3;
+ break;
+ case SG_IO_USE_V4:
+ io_hdr = &io_hdr_v4;
+ break;
+ default:
+ // should never be reached
+ errno = EOPNOTSUPP;
+ return -errno;
+ }
+
+ if (ioctl(dev_fd, SG_IO, io_hdr) < 0) {
+ if (report)
+ pout(" SG_IO ioctl failed, errno=%d [%s], SG_IO_V%d\n", errno,
+ strerror(errno), sg_io_ver);
return -errno;
}
- iop->resid = io_hdr.resid;
- iop->scsi_status = io_hdr.status;
+
+ unsigned int sg_driver_status = 0, sg_transport_status = 0, sg_info = 0,
+ sg_duration = 0;
+
+ if (sg_io_ver == SG_IO_USE_V3) {
+ iop->resid = io_hdr_v3.resid;
+ iop->scsi_status = io_hdr_v3.status;
+ sg_driver_status = io_hdr_v3.driver_status;
+ sg_transport_status = io_hdr_v3.host_status;
+ sg_info = io_hdr_v3.info;
+ iop->resp_sense_len = io_hdr_v3.sb_len_wr;
+ sg_duration = io_hdr_v3.duration;
+ }
+
+ if (sg_io_ver == SG_IO_USE_V4) {
+ switch (iop->dxfer_dir) {
+ case DXFER_NONE:
+ iop->resid = 0;
+ break;
+ case DXFER_FROM_DEVICE:
+ iop->resid = io_hdr_v4.din_resid;
+ break;
+ case DXFER_TO_DEVICE:
+ iop->resid = io_hdr_v4.dout_resid;
+ break;
+ }
+ iop->scsi_status = io_hdr_v4.device_status;
+ sg_driver_status = io_hdr_v4.driver_status;
+ sg_transport_status = io_hdr_v4.transport_status;
+ sg_info = io_hdr_v4.info;
+ iop->resp_sense_len = io_hdr_v4.response_len;
+ sg_duration = io_hdr_v4.duration;
+ }
+
if (report > 0) {
- pout(" scsi_status=0x%x, host_status=0x%x, driver_status=0x%x\n"
- " 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.resid);
+ pout(" scsi_status=0x%x, sg_transport_status=0x%x, sg_driver_status=0x%x\n"
+ " sg_info=0x%x sg_duration=%d milliseconds resid=%d\n", iop->scsi_status,
+ sg_transport_status, sg_driver_status, sg_info,
+ sg_duration, iop->resid);
+
if (report > 1) {
if (DXFER_FROM_DEVICE == iop->dxfer_dir) {
int trunc, len;
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);
+ dStrHex(iop->dxferp, (trunc ? 256 : len), 1);
} else
pout(" Incoming data trimmed to nothing by resid\n");
}
}
}
- if (io_hdr.info & SG_INFO_CHECK) { /* error or warning */
- int masked_driver_status = (LSCSI_DRIVER_MASK & io_hdr.driver_status);
+ if (sg_info & SG_INFO_CHECK) { /* error or warning */
+ int masked_driver_status = (LSCSI_DRIVER_MASK & sg_driver_status);
- if (0 != io_hdr.host_status) {
- if ((LSCSI_DID_NO_CONNECT == io_hdr.host_status) ||
- (LSCSI_DID_BUS_BUSY == io_hdr.host_status) ||
- (LSCSI_DID_TIME_OUT == io_hdr.host_status))
+ if (0 != sg_transport_status) {
+ if ((LSCSI_DID_NO_CONNECT == sg_transport_status) ||
+ (LSCSI_DID_BUS_BUSY == sg_transport_status) ||
+ (LSCSI_DID_TIME_OUT == sg_transport_status))
return -ETIMEDOUT;
else
/* Check for DID_ERROR - workaround for aacraid driver quirk */
- if (LSCSI_DID_ERROR != io_hdr.host_status) {
+ if (LSCSI_DID_ERROR != sg_transport_status) {
return -EIO; /* catch all if not DID_ERR */
}
}
}
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) &&
iop->sensep && (iop->resp_sense_len > 0)) {
if (report > 1) {
pout(" >>> Sense buffer, len=%d:\n",
(int)iop->resp_sense_len);
- dStrHex((const char *)iop->sensep, iop->resp_sense_len , 1);
+ dStrHex(iop->sensep, iop->resp_sense_len , 1);
}
}
if (report) {
{
int inbufsize;
int outbufsize;
- UINT8 buff[MAX_DXFER_LEN + 16];
+ uint8_t buff[MAX_DXFER_LEN + 16];
};
/* The Linux SCSI_IOCTL_SEND_COMMAND ioctl is primitive and it doesn't
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,
- (trunc ? 256 : iop->dxfer_len) , 1);
+ dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
else
snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
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);
+ dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
}
return 0;
iop->resp_sense_len = len;
if (report > 1) {
pout(" >>> Sense buffer, len=%d:\n", (int)len);
- dStrHex((const char *)wrk.buff, len , 1);
+ dStrHex(wrk.buff, len , 1);
}
}
if (report) {
* 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_USE_DETECT:
/* ignore report argument */
- if (0 == (res = sg_io_cmnd_io(dev_fd, iop, report, 1))) {
- sg_io_state = SG_IO_PRESENT_YES;
+ /* Try SG_IO V3 first */
+ if (0 == (res = sg_io_cmnd_io(dev_fd, iop, report, SG_IO_USE_V3))) {
+ sg_io_state = SG_IO_USE_V3;
+ return 0;
+ } else if ((-ENODEV == res) || (-EACCES == res) || (-EPERM == res))
+ return res; /* wait until we see a device */
+ /* See if we can use SG_IO V4 * */
+ if (0 == (res = sg_io_cmnd_io(dev_fd, iop, report, SG_IO_USE_V4))) {
+ sg_io_state = SG_IO_USE_V4;
return 0;
} else if ((-ENODEV == res) || (-EACCES == res) || (-EPERM == res))
return res; /* wait until we see a device */
- sg_io_state = SG_IO_PRESENT_NO;
- /* drop through by design */
- case SG_IO_PRESENT_NO:
+ /* fallback to the SCSI_IOCTL_SEND_COMMAND */
+ sg_io_state = SG_IO_UNSUPP;
+ /* FALLTHRU */
+ case SG_IO_UNSUPP:
+ /* deprecated SCSI_IOCTL_SEND_COMMAND ioctl */
return sisc_cmnd_io(dev_fd, iop, report);
- case SG_IO_PRESENT_YES:
- return sg_io_cmnd_io(dev_fd, iop, report, 0);
+ case SG_IO_USE_V3:
+ case SG_IO_USE_V4:
+ /* use SG_IO V3 or V4 ioctl, depending on availabiliy */
+ return sg_io_cmnd_io(dev_fd, iop, report, sg_io_state);
default:
pout(">>>> do_scsi_cmnd_io: bad sg_io_state=%d\n", sg_io_state);
- sg_io_state = SG_IO_PRESENT_UNKNOWN;
+ sg_io_state = SG_IO_USE_DETECT;
return -EIO; /* report error and reset state */
}
}
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;
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,
- (trunc ? 256 : iop->dxfer_len) , 1);
+ dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
else
snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
int err = errno;
linux_smart_device::close();
return set_err(err, "can't get bus number");
- } // we dont need this device anymore
+ } // we don't need this device anymore
linux_smart_device::close();
}
/* Perform mknod of device ioctl node */
FILE * fp = fopen("/proc/devices", "r");
- while (fgets(line, sizeof(line), fp) != NULL) {
- int n1 = 0;
- if (sscanf(line, "%d megaraid_sas_ioctl%n", &mjr, &n1) == 1 && n1 == 22) {
- n1=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR, makedev(mjr, 0));
- if(report > 0)
- pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1 >= 0 ? 0 : errno);
- if (n1 >= 0 || errno == EEXIST)
- break;
- }
- else if (sscanf(line, "%d megadev%n", &mjr, &n1) == 1 && n1 == 11) {
- n1=mknod("/dev/megadev0", S_IFCHR, makedev(mjr, 0));
- if(report > 0)
- pout("Creating /dev/megadev0 = %d\n", n1 >= 0 ? 0 : errno);
- if (n1 >= 0 || errno == EEXIST)
- break;
+ if (fp) {
+ while (fgets(line, sizeof(line), fp) != NULL) {
+ int n1 = 0;
+ if (sscanf(line, "%d megaraid_sas_ioctl%n", &mjr, &n1) == 1 && n1 == 22) {
+ n1=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR, makedev(mjr, 0));
+ if(report > 0)
+ pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1 >= 0 ? 0 : errno);
+ if (n1 >= 0 || errno == EEXIST)
+ break;
+ }
+ else if (sscanf(line, "%d megadev%n", &mjr, &n1) == 1 && n1 == 11) {
+ n1=mknod("/dev/megadev0", S_IFCHR, makedev(mjr, 0));
+ if(report > 0)
+ pout("Creating /dev/megadev0 = %d\n", n1 >= 0 ? 0 : errno);
+ if (n1 >= 0 || errno == EEXIST)
+ break;
+ }
}
+ fclose(fp);
}
- fclose(fp);
/* Open Device IOCTL node */
if ((m_fd = ::open("/dev/megaraid_sas_ioctl_node", O_RDWR)) >= 0) {
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,
- (trunc ? 256 : iop->dxfer_len) , 1);
+ dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
}
else
snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
struct stat stat_buf;
FILE *file;
int retval = 0;
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
security_context_t orig_context = NULL;
security_context_t node_context = NULL;
int selinux_enabled = is_selinux_enabled();
pout("No major number for /dev/%s listed in /proc/devices. Is the %s driver loaded?\n", nodename, driver_name);
return 2;
}
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
/* Prepare a database of contexts for files in /dev
* and save the current context */
if (selinux_enabled) {
pout("Error initializing contexts database for /dev");
if (getfscreatecon(&orig_context) < 0) {
pout("Error retrieving original SELinux fscreate context");
- if (selinux_enforced)
+ if (selinux_enforced) {
matchpathcon_fini();
return 6;
}
+ }
}
#endif
/* Now check if nodes are correct */
for (index=0; index<16; index++) {
snprintf(nodestring, sizeof(nodestring), "/dev/%s%d", nodename, index);
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
/* Get context of the node and set it as the default */
if (selinux_enabled) {
if (matchpathcon(nodestring, S_IRUSR | S_IWUSR, &node_context) < 0) {
retval = 3;
break;
} else {
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
if (selinux_enabled && node_context) {
freecon(node_context);
node_context = NULL;
break;
}
}
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
if (selinux_enabled && node_context) {
freecon(node_context);
node_context = NULL;
#endif
}
-#ifdef WITH_SELINUX
+#ifdef HAVE_LIBSELINUX
if (selinux_enabled) {
if(setfscreatecon(orig_context) < 0) {
pout("Error re-setting original fscreate context");
break;
default:
pout("Unrecognized command %d in mvsata_os_specific_handler()\n", command);
- EXIT(1);
- break;
+ errno = EINVAL;
+ return -1;
}
// There are two different types of ioctls(). The HDIO_DRIVE_TASK
// one is this:
return ok;
}
-// Get USB bridge ID for "sdX"
+// Get USB bridge ID for "sdX" or "sgN"
static bool get_usb_id(const char * name, unsigned short & vendor_id,
unsigned short & product_id, unsigned short & version)
{
- // Only "sdX" supported
- if (!(!strncmp(name, "sd", 2) && !strchr(name, '/')))
+ // Only "sdX" or "sgN" supported
+ if (!(name[0] == 's' && (name[1] == 'd' || name[1] == 'g') && !strchr(name, '/')))
return false;
- // Start search at dir referenced by symlink "/sys/block/sdX/device"
+ // Start search at dir referenced by symlink
+ // "/sys/block/sdX/device" or
+ // "/sys/class/scsi_generic/sgN"
// -> "/sys/devices/.../usb*/.../host*/target*/..."
- std::string dir = strprintf("/sys/block/%s/device", name);
+ std::string dir = strprintf("/sys/%s/%s%s",
+ (name[1] == 'd' ? "block" : "class/scsi_generic"), name,
+ (name[1] == 'd' ? "/device" : ""));
// Stop search at "/sys/devices"
struct stat st;
virtual std::string get_app_examples(const char * appname);
- virtual bool scan_smart_devices(smart_device_list & devlist, const char * type,
- const char * pattern = 0);
+ virtual bool scan_smart_devices(smart_device_list & devlist,
+ const smart_devtype_list & types, const char * pattern = 0);
protected:
virtual ata_device * get_ata_device(const char * name, const char * type);
virtual std::string get_valid_custom_dev_types_str();
private:
- bool get_dev_list(smart_device_list & devlist, const char * pattern,
- bool scan_ata, bool scan_scsi, bool scan_nvme,
- const char * req_type, bool autodetect);
+ static const int devxy_to_n_max = 103; // Max value of devxy_to_n() below
+
+ void get_dev_list(smart_device_list & devlist, const char * pattern,
+ bool scan_scsi, bool (* p_dev_sdxy_seen)[devxy_to_n_max+1],
+ bool scan_nvme, const char * req_type, bool autodetect);
bool get_dev_megasas(smart_device_list & devlist);
smart_device * missing_option(const char * opt);
return "";
}
-// we are going to take advantage of the fact that Linux's devfs will only
-// have device entries for devices that exist.
-bool linux_smart_interface::get_dev_list(smart_device_list & devlist,
- const char * pattern, bool scan_ata, bool scan_scsi, bool scan_nvme,
- const char * req_type, bool autodetect)
+// "/dev/sdXY" -> 0-103
+// "/dev/disk/by-id/NAME" -> "../../sdXY" -> 0-103
+// Other -> -1
+static int devxy_to_n(const char * name, bool debug)
{
+ const char * xy;
+ char dest[256];
+ if (str_starts_with(name, "/dev/sd")) {
+ // Assume "/dev/sdXY"
+ xy = name + sizeof("/dev/sd") - 1;
+ }
+ else {
+ // Assume "/dev/disk/by-id/NAME", check link target
+ int sz = readlink(name, dest, sizeof(dest)-1);
+ if (!(0 < sz && sz < (int)sizeof(dest)))
+ return -1;
+ dest[sz] = 0;
+ if (!str_starts_with(dest, "../../sd"))
+ return -1;
+ if (debug)
+ pout("%s -> %s\n", name, dest);
+ xy = dest + sizeof("../../sd") - 1;
+ }
+
+ char x = xy[0];
+ if (!('a' <= x && x <= 'z'))
+ return -1;
+ char y = xy[1];
+ if (!y)
+ // "[a-z]" -> 0-25
+ return x - 'a';
+
+ if (!(x <= 'c' && 'a' <= y && y <= 'z' && !xy[2]))
+ return -1;
+ // "[a-c][a-z]" -> 26-103
+ return (x - 'a' + 1) * ('z' - 'a' + 1) + (y - 'a');
+}
+
+void linux_smart_interface::get_dev_list(smart_device_list & devlist,
+ const char * pattern, bool scan_scsi, bool (* p_dev_sdxy_seen)[devxy_to_n_max+1],
+ bool scan_nvme, const char * req_type, bool autodetect)
+{
+ bool debug = (ata_debugmode || scsi_debugmode || nvme_debugmode);
+
// Use glob to look for any directory entries matching the pattern
glob_t globbuf;
memset(&globbuf, 0, sizeof(globbuf));
int retglob = glob(pattern, GLOB_ERR, NULL, &globbuf);
if (retglob) {
- // glob failed: free memory and return
+ // glob failed: free memory and return
globfree(&globbuf);
- if (retglob==GLOB_NOMATCH){
- pout("glob(3) found no matches for pattern %s\n", pattern);
- return true;
- }
-
- if (retglob==GLOB_NOSPACE)
- set_err(ENOMEM, "glob(3) ran out of memory matching pattern %s", pattern);
-#ifdef GLOB_ABORTED // missing in old versions of glob.h
- else if (retglob==GLOB_ABORTED)
- set_err(EINVAL, "glob(3) aborted matching pattern %s", pattern);
-#endif
- else
- set_err(EINVAL, "Unexplained error in glob(3) of pattern %s", pattern);
+ if (debug)
+ pout("glob(3) error %d for pattern %s\n", retglob, pattern);
- return false;
+ if (retglob == GLOB_NOSPACE)
+ throw std::bad_alloc();
+ return;
}
// did we find too many paths?
n = max_pathc;
}
- // 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 (int i = 0; i < n; i++){
- // see if path is a link
- char linkbuf[1024];
- int retlink = readlink(globbuf.gl_pathv[i], linkbuf, sizeof(linkbuf)-1);
-
- char tmpname[1024]={0};
- const char * name = 0;
- bool is_scsi = scan_scsi;
- // if not a link (or a strange link), keep it
- if (retlink<=0 || retlink>1023)
- name = globbuf.gl_pathv[i];
- else {
- // or if it's a link that points to a disc, follow it
- linkbuf[retlink] = 0;
- const char *p;
- if ((p=strrchr(linkbuf, '/')) && !strcmp(p+1, "disc"))
- // This is the branch of the code that gets followed if we are
- // using devfs WITH traditional compatibility links. In this
- // case, we add the traditional device name to the list that
- // is returned.
- name = globbuf.gl_pathv[i];
- else {
- // This is the branch of the code that gets followed if we are
- // using devfs WITHOUT traditional compatibility links. In
- // this case, we check that the link to the directory is of
- // the correct type, and then append "disc" to it.
- bool match_ata = strstr(linkbuf, "ide");
- bool match_scsi = strstr(linkbuf, "scsi");
- if (((match_ata && scan_ata) || (match_scsi && scan_scsi)) && !(match_ata && match_scsi)) {
- is_scsi = match_scsi;
- snprintf(tmpname, sizeof(tmpname), "%s/disc", globbuf.gl_pathv[i]);
- name = tmpname;
- }
+ // now step through the list returned by glob.
+ for (int i = 0; i < n; i++) {
+ const char * name = globbuf.gl_pathv[i];
+
+ if (p_dev_sdxy_seen) {
+ // Follow "/dev/disk/by-id/*" symlink and check for duplicate "/dev/sdXY"
+ int dev_n = devxy_to_n(name, debug);
+ if (!(0 <= dev_n && dev_n <= devxy_to_n_max))
+ continue;
+ if ((*p_dev_sdxy_seen)[dev_n]) {
+ if (debug)
+ pout("%s: duplicate, ignored\n", name);
+ continue;
}
+ (*p_dev_sdxy_seen)[dev_n] = true;
}
- if (name) {
- // Found a name, add device to list.
- smart_device * dev;
- if (autodetect)
- dev = autodetect_smart_device(name);
- else if (is_scsi)
- dev = new linux_scsi_device(this, name, req_type, true /*scanning*/);
- else if (scan_nvme)
- dev = new linux_nvme_device(this, name, req_type, 0 /* use default nsid */);
- else
- dev = new linux_ata_device(this, name, req_type);
- if (dev) // autodetect_smart_device() may return nullptr.
- devlist.push_back(dev);
+ smart_device * dev;
+ if (autodetect) {
+ dev = autodetect_smart_device(name);
+ if (!dev)
+ continue;
}
+ else if (scan_scsi)
+ dev = new linux_scsi_device(this, name, req_type, true /*scanning*/);
+ else if (scan_nvme)
+ dev = new linux_nvme_device(this, name, req_type, 0 /* use default nsid */);
+ else
+ dev = new linux_ata_device(this, name, req_type);
+ devlist.push_back(dev);
}
// free memory
globfree(&globbuf);
- return true;
}
// getting devices from LSI SAS MegaRaid, if available
char line[128];
bool scan_megasas = false;
FILE * fp = fopen("/proc/devices", "r");
+ if (!fp)
+ return false;
while (fgets(line, sizeof(line), fp) != NULL) {
n1=0;
if (sscanf(line, "%d megaraid_sas_ioctl%n", &mjr, &n1) == 1 && n1 == 22) {
}
bool linux_smart_interface::scan_smart_devices(smart_device_list & devlist,
- const char * type, const char * pattern /*= 0*/)
-{
- if (pattern) {
- set_err(EINVAL, "DEVICESCAN with pattern not implemented yet");
- return false;
+ const smart_devtype_list & types, const char * pattern /*= 0*/)
+{
+ if (pattern)
+ return set_err(EINVAL, "DEVICESCAN with pattern not implemented yet");
+
+ // Scan type list
+ bool by_id = false;
+ const char * type_ata = 0, * type_scsi = 0, * type_sat = 0, * type_nvme = 0;
+ for (unsigned i = 0; i < types.size(); i++) {
+ const char * type = types[i].c_str();
+ if (!strcmp(type, "by-id"))
+ by_id = true;
+ else if (!strcmp(type, "ata"))
+ type_ata = "ata";
+ else if (!strcmp(type, "scsi"))
+ type_scsi = "scsi";
+ else if (!strcmp(type, "sat"))
+ type_sat = "sat";
+ else if (!strcmp(type, "nvme"))
+ type_nvme = "nvme";
+ else
+ return set_err(EINVAL, "Invalid type '%s', valid arguments are: by-id, ata, scsi, sat, nvme",
+ type);
+ }
+ // Use default if no type specified
+ if (!(type_ata || type_scsi || type_sat || type_nvme)) {
+ type_ata = type_scsi = type_sat = "";
+#ifdef WITH_NVME_DEVICESCAN // TODO: Remove when NVMe support is no longer EXPERIMENTAL
+ type_nvme = "";
+#endif
}
- if (!type)
- type = "";
+ if (type_ata)
+ get_dev_list(devlist, "/dev/hd[a-t]", false, 0, false, type_ata, false);
- bool scan_ata = (!*type || !strcmp(type, "ata" ));
- // "sat" detection will be later handled in linux_scsi_device::autodetect_open()
- bool scan_scsi = (!*type || !strcmp(type, "scsi") || !strcmp(type, "sat"));
+ if (type_scsi || type_sat) {
+ // "sat" detection will be later handled in linux_scsi_device::autodetect_open()
+ const char * type_scsi_sat = ((type_scsi && type_sat) ? "" // detect both
+ : (type_scsi ? type_scsi : type_sat));
+ bool autodetect = !*type_scsi_sat; // If no type specified, detect USB also
-#ifdef WITH_NVME_DEVICESCAN // TODO: Remove when NVMe support is no longer EXPERIMENTAL
- bool scan_nvme = (!*type || !strcmp(type, "nvme"));
-#else
- bool scan_nvme = ( !strcmp(type, "nvme"));
-#endif
+ bool dev_sdxy_seen[devxy_to_n_max+1] = {false, };
+ bool (*p_dev_sdxy_seen)[devxy_to_n_max+1] = 0;
+ if (by_id) {
+ // Scan unique symlinks first
+ get_dev_list(devlist, "/dev/disk/by-id/*", true, &dev_sdxy_seen, false,
+ type_scsi_sat, autodetect);
+ p_dev_sdxy_seen = &dev_sdxy_seen; // Check for duplicates below
+ }
- if (!(scan_ata || scan_scsi || scan_nvme)) {
- set_err(EINVAL, "Invalid type '%s', valid arguments are: ata, scsi, sat, nvme", type);
- return false;
- }
+ get_dev_list(devlist, "/dev/sd[a-z]", true, p_dev_sdxy_seen, false, type_scsi_sat, autodetect);
+ get_dev_list(devlist, "/dev/sd[a-c][a-z]", true, p_dev_sdxy_seen, false, type_scsi_sat, autodetect);
- if (scan_ata)
- get_dev_list(devlist, "/dev/hd[a-t]", true, false, false, type, false);
- if (scan_scsi) {
- bool autodetect = !*type; // Try USB autodetection if no type specifed
- get_dev_list(devlist, "/dev/sd[a-z]", false, true, false, type, autodetect);
- // Support up to 104 devices
- get_dev_list(devlist, "/dev/sd[a-c][a-z]", false, true, false, type, autodetect);
// get device list from the megaraid device
get_dev_megasas(devlist);
}
- if (scan_nvme) {
- get_dev_list(devlist, "/dev/nvme[0-9]", false, false, true, type, false);
- get_dev_list(devlist, "/dev/nvme[1-9][0-9]", false, false, true, type, false);
- }
- // if we found traditional links, we are done
- if (devlist.size() > 0)
- return true;
+ if (type_nvme) {
+ get_dev_list(devlist, "/dev/nvme[0-9]", false, 0, true, type_nvme, false);
+ get_dev_list(devlist, "/dev/nvme[1-9][0-9]", false, 0, true, type_nvme, false);
+ }
- // else look for devfs entries without traditional links
- // TODO: Add udev support
- return get_dev_list(devlist, "/dev/discs/disc*", scan_ata, scan_scsi, false, type, false);
+ return true;
}
ata_device * linux_smart_interface::get_ata_device(const char * name, const char * type)
return x * 100000 + y * 1000 + z;
}
+// Check for SCSI host proc_name "hpsa"
+static bool is_hpsa(const char * name)
+{
+ char path[128];
+ snprintf(path, sizeof(path), "/sys/block/%s/device", name);
+ char * syshostpath = realpath(path, (char *)0);
+ if (!syshostpath)
+ return false;
+
+ char * syshost = strrchr(syshostpath, '/');
+ if (!syshost) {
+ free(syshostpath);
+ return false;
+ }
+
+ char * hostsep = strchr(++syshost, ':');
+ if (hostsep)
+ *hostsep = 0;
+
+ snprintf(path, sizeof(path), "/sys/class/scsi_host/host%s/proc_name", syshost);
+ free(syshostpath);
+ int fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return false;
+
+ char proc_name[32];
+ ssize_t n = read(fd, proc_name, sizeof(proc_name) - 1);
+ close(fd);
+ if (n < 4)
+ return false;
+
+ proc_name[n] = 0;
+ if (proc_name[n - 1] == '\n')
+ proc_name[n - 1] = 0;
+
+ if (scsi_debugmode > 1)
+ pout("%s -> %s: \"%s\"\n", name, path, proc_name);
+
+ if (strcmp(proc_name, "hpsa"))
+ return false;
+
+ return true;
+}
+
// Guess device type (ata or scsi) based on device name (Linux
// specific) SCSI device name in linux can be sd, sr, scd, st, nst,
// osst, nosst and sg.
// Return SAT/USB device for this type
// (Note: linux_scsi_device::autodetect_open() will not be called in this case)
- return get_sat_device(usbtype, new linux_scsi_device(this, name, ""));
+ return get_scsi_passthrough_device(usbtype, new linux_scsi_device(this, name, ""));
}
- // No USB bridge found, assume regular SCSI device
+ // Fail if hpsa driver
+ if (is_hpsa(test_name))
+ return missing_option("-d cciss,N");
+
+ // No USB bridge or hpsa driver found, assume regular SCSI device
return new linux_scsi_device(this, name, "");
}
if (str_starts_with(test_name, "scsi/"))
return new linux_scsi_device(this, name, "");
+ // form /dev/bsg/* or bsg/*
+ if (str_starts_with(test_name, "bsg/"))
+ return new linux_scsi_device(this, name, "");
+
// form /dev/ns* or ns*
if (str_starts_with(test_name, "ns"))
return new linux_scsi_device(this, name, "");
projects / mirror_smartmontools-debian.git / blobdiff