/*
* os_linux.cpp
*
- * Home page of code is: http://smartmontools.sourceforge.net
+ * Home page of code is: http://www.smartmontools.org
*
- * Copyright (C) 2003-11 Bruce Allen <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2003-11 Bruce Allen
* Copyright (C) 2003-11 Doug Gilbert <dgilbert@interlog.com>
- * Copyright (C) 2008-15 Christian Franke <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2008-16 Christian Franke
*
* Original AACRaid code:
* Copyright (C) 2014 Raghava Aditya <raghava.aditya@pmcs.com>
#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 "dev_ata_cmd_set.h"
#include "dev_areca.h"
+// "include/uapi/linux/nvme_ioctl.h" from Linux kernel sources
+#include "linux_nvme_ioctl.h" // nvme_passthru_cmd, NVME_IOCTL_ADMIN_CMD
+
#ifndef ENOTSUP
#define ENOTSUP ENOSYS
#endif
#define ARGUSED(x) ((void)(x))
-const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 4047 2015-03-22 16:16:24Z chrfranke $"
+const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 4582 2017-11-03 20:54:56Z chrfranke $"
OS_LINUX_H_CVSID;
extern unsigned char failuretest_permissive;
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));
// copy user data into the task request structure
memcpy(task+sizeof(ide_task_request_t), data, 512);
- 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");
+ 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");
return -1;
}
return 0;
// There are two different types of ioctls(). The HDIO_DRIVE_TASK
// one is this:
if (command==STATUS_CHECK || command==AUTOSAVE || command==AUTO_OFFLINE){
- int retval;
-
// NOT DOCUMENTED in /usr/src/linux/include/linux/hdreg.h. You
// have to read the IDE driver source code. Sigh.
// buff[0]: ATA COMMAND CODE REGISTER
buff[4]=normal_lo;
buff[5]=normal_hi;
- if ((retval=ioctl(get_fd(), HDIO_DRIVE_TASK, buff))) {
- if (errno==-EINVAL) {
+ if (ioctl(get_fd(), HDIO_DRIVE_TASK, buff)) {
+ if (errno==EINVAL) {
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;
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)
(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]" : ""));
+ 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);
}
else
- j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
+ 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 (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) {
}
}
if (report) {
- if (SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) {
+ if (SCSI_STATUS_CHECK_CONDITION == iop->scsi_status && iop->sensep) {
if ((iop->sensep[0] & 0x7f) > 0x71)
pout(" status=%x: [desc] sense_key=%x asc=%x ascq=%x\n",
iop->scsi_status, iop->sensep[1] & 0xf,
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) &&
- (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
+ if ((report > 1) && (DXFER_TO_DEVICE == iop->dxfer_dir)) {
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]" : ""));
+ 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);
}
else
- j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
+ snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
pout("%s", buff);
}
switch (iop->dxfer_dir) {
* 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:
+ /* depricated 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;
- 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]" : ""));
+ 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);
}
else
- j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
+ snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
pout("%s", buff);
}
{
public:
linux_megaraid_device(smart_interface *intf, const char *name,
- unsigned int bus, unsigned int tgt);
+ unsigned int tgt);
virtual ~linux_megaraid_device() throw();
private:
unsigned int m_disknum;
- unsigned int m_busnum;
unsigned int m_hba;
int m_fd;
};
linux_megaraid_device::linux_megaraid_device(smart_interface *intf,
- const char *dev_name, unsigned int bus, unsigned int tgt)
+ const char *dev_name, unsigned int tgt)
: smart_device(intf, dev_name, "megaraid", "megaraid"),
linux_smart_device(O_RDWR | O_NONBLOCK),
- m_disknum(tgt), m_busnum(bus), m_hba(0),
+ m_disknum(tgt), m_hba(0),
m_fd(-1), pt_cmd(0)
{
set_info().info_name = strprintf("%s [megaraid_disk_%02d]", dev_name, m_disknum);
int mjr;
int report = scsi_debugmode;
- if(sscanf(get_dev_name(),"/dev/bus/%d", &m_hba) == 0) {
+ if (sscanf(get_dev_name(), "/dev/bus/%u", &m_hba) == 0) {
if (!linux_smart_device::open())
return false;
/* Get device HBA */
(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]" : ""));
+ 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);
}
else
- j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
+ snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
pout("%s", buff);
}
{
struct megasas_pthru_frame *pthru;
struct megasas_iocpacket uio;
- int rc;
memset(&uio, 0, sizeof(uio));
pthru = &uio.frame.pthru;
uio.sgl[0].iov_len = dataLen;
}
- rc = 0;
errno = 0;
- rc = ioctl(m_fd, MEGASAS_IOC_FIRMWARE, &uio);
+ int rc = ioctl(m_fd, MEGASAS_IOC_FIRMWARE, &uio);
if (pthru->cmd_status || rc != 0) {
if (pthru->cmd_status == 12) {
return set_err(EIO, "megasas_cmd: Device %d does not exist\n", m_disknum);
smart_device * linux_areca_ata_device::autodetect_open()
{
- int is_ata = 1;
-
// autodetect device type
- is_ata = arcmsr_get_dev_type();
+ int is_ata = arcmsr_get_dev_type();
if(is_ata < 0)
{
set_err(EIO);
unsigned int *hpt_tf = (unsigned int *)task;
ide_task_request_t *reqtask = (ide_task_request_t *)(&task[4*sizeof(int)]);
task_struct_t *taskfile = (task_struct_t *)reqtask->io_ports;
- int retval;
memset(task, 0, sizeof(task));
memcpy(task+sizeof(ide_task_request_t)+4*sizeof(int), data, 512);
- if ((retval=ioctl(get_fd(), HPTIO_CTL, task))) {
- if (retval==-EINVAL)
- pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASKFILE_IO set\n");
+ if (ioctl(get_fd(), HPTIO_CTL, task))
return -1;
- }
+
return 0;
}
if (command==STATUS_CHECK){
- int retval;
unsigned const char normal_lo=0x4f, normal_hi=0xc2;
unsigned const char failed_lo=0xf4, failed_hi=0x2c;
buff[4]=normal_lo;
hpt[2] = HDIO_DRIVE_TASK;
- if ((retval=ioctl(get_fd(), HPTIO_CTL, hpt_buff))) {
- if (retval==-EINVAL) {
- pout("Error SMART Status command via HDIO_DRIVE_TASK failed");
- pout("Rebuild older linux 2.2 kernels with HDIO_DRIVE_TASK support added\n");
- }
- else
- syserror("Error SMART Status command failed");
+ if (ioctl(get_fd(), HPTIO_CTL, hpt_buff))
return -1;
- }
if (buff[4]==normal_lo && buff[5]==normal_hi)
return 0;
return this;
}
+/////////////////////////////////////////////////////////////////////////////
+/// NVMe support
+
+class linux_nvme_device
+: public /*implements*/ nvme_device,
+ public /*extends*/ linux_smart_device
+{
+public:
+ linux_nvme_device(smart_interface * intf, const char * dev_name,
+ const char * req_type, unsigned nsid);
+
+ virtual bool open();
+
+ virtual bool nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out);
+};
+
+linux_nvme_device::linux_nvme_device(smart_interface * intf, const char * dev_name,
+ const char * req_type, unsigned nsid)
+: smart_device(intf, dev_name, "nvme", req_type),
+ nvme_device(nsid),
+ linux_smart_device(O_RDONLY | O_NONBLOCK)
+{
+}
+
+bool linux_nvme_device::open()
+{
+ if (!linux_smart_device::open())
+ return false;
+
+ if (!get_nsid()) {
+ // Use actual NSID (/dev/nvmeXnN) if available,
+ // else use broadcast namespace (/dev/nvmeX)
+ int nsid = ioctl(get_fd(), NVME_IOCTL_ID, (void*)0);
+ set_nsid(nsid);
+ }
+
+ return true;
+}
+
+bool linux_nvme_device::nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out)
+{
+ nvme_passthru_cmd pt;
+ memset(&pt, 0, sizeof(pt));
+
+ pt.opcode = in.opcode;
+ pt.nsid = in.nsid;
+ pt.addr = (uint64_t)in.buffer;
+ pt.data_len = in.size;
+ pt.cdw10 = in.cdw10;
+ pt.cdw11 = in.cdw11;
+ pt.cdw12 = in.cdw12;
+ pt.cdw13 = in.cdw13;
+ pt.cdw14 = in.cdw14;
+ pt.cdw15 = in.cdw15;
+ // Kernel default for NVMe admin commands is 60 seconds
+ // pt.timeout_ms = 60 * 1000;
+
+ int status = ioctl(get_fd(), NVME_IOCTL_ADMIN_CMD, &pt);
+
+ if (status < 0)
+ return set_err(errno, "NVME_IOCTL_ADMIN_CMD: %s", strerror(errno));
+
+ if (status > 0)
+ return set_nvme_err(out, status);
+
+ out.result = pt.result;
+ return true;
+}
+
+
//////////////////////////////////////////////////////////////////////
// USB bridge ID detection
virtual scsi_device * get_scsi_device(const char * name, const char * type);
+ virtual nvme_device * get_nvme_device(const char * name, const char * type,
+ unsigned nsid);
+
virtual smart_device * autodetect_smart_device(const char * name);
virtual smart_device * get_custom_smart_device(const char * name, const char * type);
private:
bool get_dev_list(smart_device_list & devlist, const char * pattern,
- bool scan_ata, bool scan_scsi, const char * req_type, bool autodetect);
+ bool scan_ata, bool scan_scsi, bool scan_nvme,
+ const char * req_type, bool autodetect);
+
bool get_dev_megasas(smart_device_list & devlist);
smart_device * missing_option(const char * opt);
int megasas_dcmd_cmd(int bus_no, uint32_t opcode, void *buf,
// 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,
+ const char * pattern, bool scan_ata, bool scan_scsi, bool scan_nvme,
const char * req_type, bool autodetect)
{
// Use glob to look for any directory entries matching the pattern
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.
return false;
// getting bus numbers with megasas devices
- struct dirent *ep;
- unsigned int host_no = 0;
- char sysfsdir[256];
-
- /* we are using sysfs to get list of all scsi hosts */
+ // we are using sysfs to get list of all scsi hosts
DIR * dp = opendir ("/sys/class/scsi_host/");
if (dp != NULL)
{
+ struct dirent *ep;
while ((ep = readdir (dp)) != NULL) {
- if (!sscanf(ep->d_name, "host%d", &host_no))
+ unsigned int host_no = 0;
+ if (!sscanf(ep->d_name, "host%u", &host_no))
continue;
/* proc_name should be megaraid_sas */
+ char sysfsdir[256];
snprintf(sysfsdir, sizeof(sysfsdir) - 1,
- "/sys/class/scsi_host/host%d/proc_name", host_no);
+ "/sys/class/scsi_host/host%u/proc_name", host_no);
if((fp = fopen(sysfsdir, "r")) == NULL)
continue;
if(fgets(line, sizeof(line), fp) != NULL && !strncmp(line,"megaraid_sas",12)) {
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 (!(scan_ata || scan_scsi))
- return true;
+
+#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
+
+ if (!(scan_ata || scan_scsi || scan_nvme)) {
+ set_err(EINVAL, "Invalid type '%s', valid arguments are: ata, scsi, sat, nvme", type);
+ return false;
+ }
if (scan_ata)
- get_dev_list(devlist, "/dev/hd[a-t]", true, false, type, false);
+ 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, type, autodetect);
+ 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, type, autodetect);
+ 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)
// else look for devfs entries without traditional links
// TODO: Add udev support
- return get_dev_list(devlist, "/dev/discs/disc*", scan_ata, scan_scsi, type, false);
+ return get_dev_list(devlist, "/dev/discs/disc*", scan_ata, scan_scsi, false, type, false);
}
ata_device * linux_smart_interface::get_ata_device(const char * name, const char * type)
return new linux_scsi_device(this, name, type);
}
+nvme_device * linux_smart_interface::get_nvme_device(const char * name, const char * type,
+ unsigned nsid)
+{
+ return new linux_nvme_device(this, name, type, nsid);
+}
+
smart_device * linux_smart_interface::missing_option(const char * opt)
{
set_err(EINVAL, "requires option '%s'", opt);
*/
megasas_pd_list * list = 0;
for (unsigned list_size = 1024; ; ) {
- list = (megasas_pd_list *)realloc(list, list_size);
+ list = reinterpret_cast<megasas_pd_list *>(realloc(list, list_size));
if (!list)
throw std::bad_alloc();
bzero(list, list_size);
continue; /* non disk device found */
char line[128];
snprintf(line, sizeof(line) - 1, "/dev/bus/%d", bus_no);
- smart_device * dev = new linux_megaraid_device(this, line, 0, list->addr[i].device_id);
+ smart_device * dev = new linux_megaraid_device(this, line, list->addr[i].device_id);
devlist.push_back(dev);
}
free(list);
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 = canonicalize_file_name(path);
+ 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 get_sat_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, "");
if (str_starts_with(test_name, "nos"))
return new linux_scsi_device(this, name, "");
+ // form /dev/nvme* or nvme*
+ if (str_starts_with(test_name, "nvme"))
+ return new linux_nvme_device(this, name, "", 0 /* use default nsid */);
+
// form /dev/tw[ael]* or tw[ael]*
if (str_starts_with(test_name, "tw") && strchr("ael", test_name[2]))
return missing_option("-d 3ware,N");
// MegaRAID ?
if (sscanf(type, "megaraid,%d", &disknum) == 1) {
- return new linux_megaraid_device(this, name, 0, disknum);
+ return new linux_megaraid_device(this, name, disknum);
}
//aacraid?
- unsigned int device;
- unsigned int host;
- if(sscanf(type, "aacraid,%d,%d,%d", &host, &channel, &device)==3) {
+ unsigned host, chan, device;
+ if (sscanf(type, "aacraid,%u,%u,%u", &host, &chan, &device) == 3) {
//return new linux_aacraid_device(this,name,channel,device);
return get_sat_device("sat,auto",
- new linux_aacraid_device(this, name, host, channel, device));
+ new linux_aacraid_device(this, name, host, chan, device));
}
projects / mirror_smartmontools-debian.git / blobdiff