/*
* dev_interface.cpp
*
- * Home page of code is: http://smartmontools.sourceforge.net
+ * Home page of code is: http://www.smartmontools.org
*
- * Copyright (C) 2008-9 Christian Franke <smartmontools-support@lists.sourceforge.net>
+ * Copyright (C) 2008-16 Christian Franke <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
#include "config.h"
#include "int64.h"
-#include "atacmds.h"
-#include "scsicmds.h"
#include "dev_interface.h"
#include "dev_tunnelled.h"
+#include "atacmds.h" // ATA_SMART_CMD/STATUS
#include "utility.h"
+#include <errno.h>
+#include <stdarg.h>
#include <stdexcept>
-const char * dev_interface_cpp_cvsid = "$Id: dev_interface.cpp 2915 2009-09-18 21:17:37Z chrfranke $"
+#if defined(HAVE_GETTIMEOFDAY)
+#include <sys/time.h>
+#elif defined(HAVE_FTIME)
+#include <sys/timeb.h>
+#endif
+
+const char * dev_interface_cpp_cvsid = "$Id: dev_interface.cpp 4283 2016-04-10 12:55:59Z chrfranke $"
DEV_INTERFACE_H_CVSID;
/////////////////////////////////////////////////////////////////////////////
// smart_device
+int smart_device::s_num_objects = 0;
+
smart_device::smart_device(smart_interface * intf, const char * dev_name,
const char * dev_type, const char * req_type)
: m_intf(intf), m_info(dev_name, dev_type, req_type),
- m_ata_ptr(0), m_scsi_ptr(0)
+ m_ata_ptr(0), m_scsi_ptr(0), m_nvme_ptr(0)
{
+ s_num_objects++;
}
smart_device::smart_device(do_not_use_in_implementation_classes)
-: m_intf(0), m_ata_ptr(0), m_scsi_ptr(0)
+: m_intf(0), m_ata_ptr(0), m_scsi_ptr(0), m_nvme_ptr(0)
{
throw std::logic_error("smart_device: wrong constructor called in implementation class");
}
smart_device::~smart_device() throw()
{
+ s_num_objects--;
+}
+
+bool smart_device::is_syscall_unsup() const
+{
+ if (get_errno() == ENOSYS)
+ return true;
+#ifdef ENOTSUP
+ if (get_errno() == ENOTSUP)
+ return true;
+#endif
+ return false;
}
bool smart_device::set_err(int no, const char * msg, ...)
bool smart_device::set_err(int no)
{
- smi()->set_err_var(&m_err, no);
- return false;
+ return smi()->set_err_var(&m_err, no);
}
smart_device * smart_device::autodetect_open()
return this;
}
+bool smart_device::is_powered_down()
+{
+ return false;
+}
+
bool smart_device::owns(const smart_device * /*dev*/) const
{
return false;
sector_count_16(sector_count, prev.sector_count),
lba_low_16(lba_low, prev.lba_low),
lba_mid_16(lba_mid, prev.lba_mid),
- lba_high_16(lba_high, prev.lba_high)
+ lba_high_16(lba_high, prev.lba_high),
+ lba_48( lba_low, lba_mid, lba_high,
+ prev.lba_low, prev.lba_mid, prev.lba_high)
{
}
: sector_count_16(sector_count, prev.sector_count),
lba_low_16(lba_low, prev.lba_low),
lba_mid_16(lba_mid, prev.lba_mid),
- lba_high_16(lba_high, prev.lba_high)
+ lba_high_16(lba_high, prev.lba_high),
+ lba_48( lba_low, lba_mid, lba_high,
+ prev.lba_low, prev.lba_mid, prev.lba_high)
{
}
return ata_pass_through(in, dummy);
}
-bool ata_device::ata_cmd_is_ok(const ata_cmd_in & in,
- bool data_out_support /*= false*/,
- bool multi_sector_support /*= false*/,
- bool ata_48bit_support /*= false*/)
+bool ata_device::ata_cmd_is_supported(const ata_cmd_in & in,
+ unsigned flags, const char * type /* = 0 */)
{
// Check DATA IN/OUT
switch (in.direction) {
}
// Check features
- if (in.direction == ata_cmd_in::data_out && !data_out_support)
- return set_err(ENOSYS, "DATA OUT ATA commands not supported");
- if (!(in.size == 0 || in.size == 512) && !multi_sector_support)
- return set_err(ENOSYS, "Multi-sector ATA commands not supported");
- if (in.in_regs.is_48bit_cmd() && !ata_48bit_support)
- return set_err(ENOSYS, "48-bit ATA commands not supported");
+ const char * errmsg = 0;
+ if (in.direction == ata_cmd_in::data_out && !(flags & supports_data_out))
+ errmsg = "DATA OUT ATA commands not implemented";
+ else if ( in.out_needed.is_set() && !(flags & supports_output_regs)
+ && !( in.in_regs.command == ATA_SMART_CMD
+ && in.in_regs.features == ATA_SMART_STATUS
+ && (flags & supports_smart_status)))
+ errmsg = "Read of ATA output registers not implemented";
+ else if (!(in.size == 0 || in.size == 512) && !(flags & supports_multi_sector))
+ errmsg = "Multi-sector ATA commands not implemented";
+ else if (in.in_regs.is_48bit_cmd() && !(flags & (supports_48bit_hi_null|supports_48bit)))
+ errmsg = "48-bit ATA commands not implemented";
+ else if (in.in_regs.is_real_48bit_cmd() && !(flags & supports_48bit))
+ errmsg = "48-bit ATA commands not fully implemented";
+
+ if (errmsg)
+ return set_err(ENOSYS, "%s%s%s%s", errmsg,
+ (type ? " [" : ""), (type ? type : ""), (type ? "]" : ""));
+
return true;
}
}
+/////////////////////////////////////////////////////////////////////////////
+// nvme_device
+
+bool nvme_device::set_nvme_err(nvme_cmd_out & out, unsigned status, const char * msg /* = 0 */)
+{
+ if (!status)
+ throw std::logic_error("nvme_device: set_nvme_err() called with status=0");
+
+ out.status = status;
+ out.status_valid = true;
+ return set_err(EIO, "%sNVMe Status 0x%02x", (msg ? msg : ""), status);
+}
+
+
/////////////////////////////////////////////////////////////////////////////
// tunnelled_device_base
{
// default
std::string s =
- "ata, scsi, sat[,N][+TYPE], usbcypress[,X], usbjmicron[,x][,N], usbsunplus";
+ "ata, scsi, nvme[,NSID], sat[,auto][,N][+TYPE], "
+ "usbcypress[,X], usbjmicron[,p][,x][,N], usbprolific, usbsunplus";
// append custom
std::string s2 = get_valid_custom_dev_types_str();
if (!s2.empty()) {
return "";
}
-void smart_interface::set_err(int no, const char * msg, ...)
+int64_t smart_interface::get_timer_usec()
{
- if (!msg) {
- set_err(no); return;
+#if defined(HAVE_GETTIMEOFDAY)
+ #if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+ {
+ static bool have_clock_monotonic = true;
+ if (have_clock_monotonic) {
+ struct timespec ts;
+ if (!clock_gettime(CLOCK_MONOTONIC, &ts))
+ return ts.tv_sec * 1000000LL + ts.tv_nsec/1000;
+ have_clock_monotonic = false;
+ }
+ }
+ #endif
+ {
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+ return tv.tv_sec * 1000000LL + tv.tv_usec;
}
+#elif defined(HAVE_FTIME)
+ {
+ struct timeb tb;
+ ftime(&tb);
+ return tb.time * 1000000LL + tb.millitm * 1000;
+ }
+#else
+ return -1;
+#endif
+}
+
+bool smart_interface::disable_system_auto_standby(bool /*disable*/)
+{
+ return set_err(ENOSYS);
+}
+
+bool smart_interface::set_err(int no, const char * msg, ...)
+{
+ if (!msg)
+ return set_err(no);
m_err.no = no;
va_list ap; va_start(ap, msg);
m_err.msg = vstrprintf(msg, ap);
va_end(ap);
+ return false;
}
-void smart_interface::set_err(int no)
+bool smart_interface::set_err(int no)
{
- set_err_var(&m_err, no);
+ return set_err_var(&m_err, no);
}
-void smart_interface::set_err_var(smart_device::error_info * err, int no)
+bool smart_interface::set_err_var(smart_device::error_info * err, int no)
{
err->no = no;
err->msg = get_msg_for_errno(no);
if (err->msg.empty() && no != 0)
err->msg = strprintf("Unknown error %d", no);
+ return false;
}
const char * smart_interface::get_msg_for_errno(int no)
smart_device * smart_interface::get_smart_device(const char * name, const char * type)
{
clear_err();
+
+ // Call platform specific autodetection if no device type specified
+ smart_device * dev;
if (!type || !*type) {
- smart_device * dev = autodetect_smart_device(name);
+ dev = autodetect_smart_device(name);
if (!dev && !get_errno())
set_err(EINVAL, "Unable to detect device type");
return dev;
}
- smart_device * dev = get_custom_smart_device(name, type);
+ // First check for platform specific device types
+ dev = get_custom_smart_device(name, type);
if (dev || get_errno())
return dev;
else if (!strcmp(type, "scsi"))
dev = get_scsi_device(name, type);
+ else if (str_starts_with(type, "nvme")) {
+ int n1 = -1, n2 = -1, len = strlen(type);
+ unsigned nsid = 0; // invalid namespace id -> use default
+ sscanf(type, "nvme%n,0x%x%n", &n1, &nsid, &n2);
+ if (!(n1 == len || n2 == len)) {
+ set_err(EINVAL, "Invalid NVMe namespace id in '%s'", type);
+ return 0;
+ }
+ dev = get_nvme_device(name, type, nsid);
+ }
+
else if ( ((!strncmp(type, "sat", 3) && (!type[3] || strchr(",+", type[3])))
|| (!strncmp(type, "usb", 3)))) {
// Split "sat...+base..." -> ("sat...", "base...")
// Recurse to allocate base device, default is standard SCSI
if (!*basetype)
basetype = "scsi";
- dev = get_smart_device(name, basetype);
- if (!dev) {
+ smart_device_auto_ptr basedev( get_smart_device(name, basetype) );
+ if (!basedev) {
set_err(EINVAL, "Type '%s+...': %s", sattype.c_str(), get_errmsg());
return 0;
}
// Result must be SCSI
- if (!dev->is_scsi()) {
- delete dev;
+ if (!basedev->is_scsi()) {
set_err(EINVAL, "Type '%s+...': Device type '%s' is not SCSI", sattype.c_str(), basetype);
return 0;
}
// Attach SAT tunnel
- try {
- ata_device * satdev = get_sat_device(sattype.c_str(), dev->to_scsi());
- if (!satdev) {
- delete dev;
- return 0;
- }
- return satdev;
- }
- catch (...) {
- delete dev; throw;
- }
+ return get_sat_device(sattype.c_str(), basedev.release()->to_scsi());
}
else {
return dev;
}
+bool smart_interface::scan_smart_devices(smart_device_list & devlist,
+ const smart_devtype_list & types, const char * pattern /* = 0 */)
+{
+ unsigned n = types.size();
+ if (n == 0)
+ return scan_smart_devices(devlist, (const char *)0, pattern);
+ if (n == 1)
+ return scan_smart_devices(devlist, types.front().c_str(), pattern);
+
+ for (unsigned i = 0; i < n; i++) {
+ smart_device_list tmplist;
+ if (!scan_smart_devices(tmplist, types[i].c_str(), pattern))
+ return false;
+ devlist.append(tmplist);
+ }
+
+ return true;
+}
+
+nvme_device * smart_interface::get_nvme_device(const char * /*name*/, const char * /*type*/, unsigned /*nsid*/)
+{
+ set_err(ENOSYS, "NVMe devices are not supported in this version of smartmontools");
+ return 0;
+}
+
smart_device * smart_interface::get_custom_smart_device(const char * /*name*/, const char * /*type*/)
{
return 0;
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