1 | /*
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2 | * os_linux.cpp
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3 | *
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4 | * Home page of code is: https://www.smartmontools.org
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5 | *
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6 | * Copyright (C) 2003-11 Bruce Allen
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7 | * Copyright (C) 2003-11 Doug Gilbert <dgilbert@interlog.com>
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8 | * Copyright (C) 2008-22 Christian Franke
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9 | *
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10 | * Original AACRaid code:
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11 | * Copyright (C) 2014 Raghava Aditya <raghava.aditya@pmcs.com>
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12 | *
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13 | * Original Areca code:
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14 | * Copyright (C) 2008-12 Hank Wu <hank@areca.com.tw>
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15 | * Copyright (C) 2008 Oliver Bock <brevilo@users.sourceforge.net>
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16 | *
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17 | * Original MegaRAID code:
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18 | * Copyright (C) 2008 Jordan Hargrave <jordan_hargrave@dell.com>
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19 | *
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20 | * 3ware code was derived from code that was:
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21 | *
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22 | * Written By: Adam Radford <linux@3ware.com>
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23 | * Modifications By: Joel Jacobson <linux@3ware.com>
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24 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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25 | * Brad Strand <linux@3ware.com>
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26 | *
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27 | * Copyright (C) 1999-2003 3ware Inc.
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28 | *
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29 | * Kernel compatibility By: Andre Hedrick <andre@suse.com>
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30 | * Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
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31 | *
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32 | * Other ars of this file are derived from code that was
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33 | *
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34 | * Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
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35 | * Copyright (C) 2000 Andre Hedrick <andre@linux-ide.org>
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36 | *
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37 | * SPDX-License-Identifier: GPL-2.0-or-later
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38 | */
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39 |
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40 | #include "config.h"
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41 |
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42 | #include <errno.h>
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43 | #include <fcntl.h>
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44 | #include <glob.h>
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45 |
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46 | #include <scsi/scsi.h>
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47 | #include <scsi/scsi_ioctl.h>
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48 | #include <scsi/sg.h>
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49 | #include <linux/bsg.h>
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50 | #include <stdlib.h>
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51 | #include <string.h>
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52 | #include <sys/ioctl.h>
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53 | #include <sys/stat.h>
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54 | #include <sys/utsname.h>
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55 | #include <unistd.h>
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56 | #include <stddef.h> // for offsetof()
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57 | #include <sys/uio.h>
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58 | #include <sys/types.h>
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59 | #include <dirent.h>
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60 | #ifdef HAVE_SYS_SYSMACROS_H
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61 | // glibc 2.25: The inclusion of <sys/sysmacros.h> by <sys/types.h> is
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62 | // deprecated. A warning is printed if major(), minor() or makedev()
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63 | // is used but <sys/sysmacros.h> is not included.
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64 | #include <sys/sysmacros.h>
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65 | #endif
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66 | #ifdef HAVE_LIBSELINUX
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67 | #include <selinux/selinux.h>
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68 | #endif
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69 |
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70 | #include "atacmds.h"
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71 | #include "os_linux.h"
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72 | #include "scsicmds.h"
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73 | #include "utility.h"
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74 | #include "cciss.h"
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75 | #include "megaraid.h"
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76 | #include "sssraid.h"
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77 | #include "aacraid.h"
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78 | #include "nvmecmds.h"
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79 |
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80 | #include "dev_interface.h"
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81 | #include "dev_ata_cmd_set.h"
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82 | #include "dev_areca.h"
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83 |
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84 | // "include/uapi/linux/nvme_ioctl.h" from Linux kernel sources
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85 | #include "linux_nvme_ioctl.h" // nvme_passthru_cmd, NVME_IOCTL_ADMIN_CMD
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86 |
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87 | #ifndef ENOTSUP
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88 | #define ENOTSUP ENOSYS
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89 | #endif
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90 |
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91 | #define ARGUSED(x) ((void)(x))
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92 |
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93 | const char * os_linux_cpp_cvsid = "$Id: os_linux.cpp 5314 2022-02-02 17:34:26Z chrfranke $"
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94 | OS_LINUX_H_CVSID;
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95 | extern unsigned char failuretest_permissive;
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96 |
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97 | namespace os_linux { // No need to publish anything, name provided for Doxygen
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98 |
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99 | /////////////////////////////////////////////////////////////////////////////
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100 | /// Shared open/close routines
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101 |
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102 | class linux_smart_device
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103 | : virtual public /*implements*/ smart_device
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104 | {
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105 | public:
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106 | explicit linux_smart_device(int flags, int retry_flags = -1)
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107 | : smart_device(never_called),
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108 | m_fd(-1),
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109 | m_flags(flags), m_retry_flags(retry_flags)
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110 | { }
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111 |
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112 | virtual ~linux_smart_device();
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113 |
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114 | virtual bool is_open() const override;
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115 |
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116 | virtual bool open() override;
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117 |
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118 | virtual bool close() override;
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119 |
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120 | protected:
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121 | /// Return filedesc for derived classes.
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122 | int get_fd() const
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123 | { return m_fd; }
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124 |
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125 | void set_fd(int fd)
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126 | { m_fd = fd; }
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127 |
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128 | private:
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129 | int m_fd; ///< filedesc, -1 if not open.
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130 | int m_flags; ///< Flags for ::open()
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131 | int m_retry_flags; ///< Flags to retry ::open(), -1 if no retry
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132 | };
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133 |
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134 | linux_smart_device::~linux_smart_device()
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135 | {
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136 | if (m_fd >= 0)
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137 | ::close(m_fd);
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138 | }
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139 |
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140 | bool linux_smart_device::is_open() const
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141 | {
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142 | return (m_fd >= 0);
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143 | }
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144 |
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145 | bool linux_smart_device::open()
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146 | {
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147 | m_fd = ::open(get_dev_name(), m_flags);
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148 |
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149 | if (m_fd < 0 && errno == EROFS && m_retry_flags != -1)
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150 | // Retry
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151 | m_fd = ::open(get_dev_name(), m_retry_flags);
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152 |
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153 | if (m_fd < 0) {
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154 | if (errno == EBUSY && (m_flags & O_EXCL))
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155 | // device is locked
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156 | return set_err(EBUSY,
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157 | "The requested controller is used exclusively by another process!\n"
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158 | "(e.g. smartctl or smartd)\n"
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159 | "Please quit the impeding process or try again later...");
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160 | return set_err((errno==ENOENT || errno==ENOTDIR) ? ENODEV : errno);
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161 | }
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162 |
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163 | if (m_fd >= 0) {
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164 | // sets FD_CLOEXEC on the opened device file descriptor. The
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165 | // descriptor is otherwise leaked to other applications (mail
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166 | // sender) which may be considered a security risk and may result
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167 | // in AVC messages on SELinux-enabled systems.
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168 | if (-1 == fcntl(m_fd, F_SETFD, FD_CLOEXEC))
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169 | // TODO: Provide an error printing routine in class smart_interface
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170 | pout("fcntl(set FD_CLOEXEC) failed, errno=%d [%s]\n", errno, strerror(errno));
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171 | }
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172 |
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173 | return true;
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174 | }
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175 |
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176 | // equivalent to close(file descriptor)
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177 | bool linux_smart_device::close()
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178 | {
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179 | int fd = m_fd; m_fd = -1;
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180 | if (::close(fd) < 0)
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181 | return set_err(errno);
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182 | return true;
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183 | }
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184 |
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185 | // examples for smartctl
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186 | static const char smartctl_examples[] =
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187 | "=================================================== SMARTCTL EXAMPLES =====\n\n"
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188 | " smartctl --all /dev/sda (Prints all SMART information)\n\n"
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189 | " smartctl --smart=on --offlineauto=on --saveauto=on /dev/sda\n"
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190 | " (Enables SMART on first disk)\n\n"
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191 | " smartctl --test=long /dev/sda (Executes extended disk self-test)\n\n"
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192 | " smartctl --attributes --log=selftest --quietmode=errorsonly /dev/sda\n"
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193 | " (Prints Self-Test & Attribute errors)\n"
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194 | " smartctl --all --device=3ware,2 /dev/sda\n"
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195 | " smartctl --all --device=3ware,2 /dev/twe0\n"
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196 | " smartctl --all --device=3ware,2 /dev/twa0\n"
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197 | " smartctl --all --device=3ware,2 /dev/twl0\n"
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198 | " (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
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199 | " smartctl --all --device=hpt,1/1/3 /dev/sda\n"
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200 | " (Prints all SMART info for the SATA disk attached to the 3rd PMPort\n"
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201 | " of the 1st channel on the 1st HighPoint RAID controller)\n"
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202 | " smartctl --all --device=areca,3/1 /dev/sg2\n"
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203 | " (Prints all SMART info for 3rd ATA disk of the 1st enclosure\n"
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204 | " on Areca RAID controller)\n"
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205 | ;
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206 |
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207 | /////////////////////////////////////////////////////////////////////////////
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208 | /// Linux ATA support
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209 |
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210 | class linux_ata_device
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211 | : public /*implements*/ ata_device_with_command_set,
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212 | public /*extends*/ linux_smart_device
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213 | {
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214 | public:
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215 | linux_ata_device(smart_interface * intf, const char * dev_name, const char * req_type);
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216 |
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217 | protected:
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218 | virtual int ata_command_interface(smart_command_set command, int select, char * data) override;
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219 | };
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220 |
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221 | linux_ata_device::linux_ata_device(smart_interface * intf, const char * dev_name, const char * req_type)
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222 | : smart_device(intf, dev_name, "ata", req_type),
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223 | linux_smart_device(O_RDONLY | O_NONBLOCK)
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224 | {
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225 | }
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226 |
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227 | // PURPOSE
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228 | // This is an interface routine meant to isolate the OS dependent
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229 | // parts of the code, and to provide a debugging interface. Each
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230 | // different port and OS needs to provide it's own interface. This
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231 | // is the linux one.
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232 | // DETAILED DESCRIPTION OF ARGUMENTS
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233 | // device: is the file descriptor provided by open()
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234 | // command: defines the different operations.
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235 | // select: additional input data if needed (which log, which type of
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236 | // self-test).
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237 | // data: location to write output data, if needed (512 bytes).
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238 | // Note: not all commands use all arguments.
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239 | // RETURN VALUES
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240 | // -1 if the command failed
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241 | // 0 if the command succeeded,
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242 | // STATUS_CHECK routine:
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243 | // -1 if the command failed
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244 | // 0 if the command succeeded and disk SMART status is "OK"
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245 | // 1 if the command succeeded and disk SMART status is "FAILING"
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246 |
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247 | #define BUFFER_LENGTH (4+512)
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248 |
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249 | int linux_ata_device::ata_command_interface(smart_command_set command, int select, char * data)
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250 | {
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251 | unsigned char buff[BUFFER_LENGTH];
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252 | // positive: bytes to write to caller. negative: bytes to READ from
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253 | // caller. zero: non-data command
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254 | int copydata=0;
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255 |
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256 | const int HDIO_DRIVE_CMD_OFFSET = 4;
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257 |
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258 | // See struct hd_drive_cmd_hdr in hdreg.h. Before calling ioctl()
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259 | // buff[0]: ATA COMMAND CODE REGISTER
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260 | // buff[1]: ATA SECTOR NUMBER REGISTER == LBA LOW REGISTER
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261 | // buff[2]: ATA FEATURES REGISTER
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262 | // buff[3]: ATA SECTOR COUNT REGISTER
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263 |
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264 | // Note that on return:
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265 | // buff[2] contains the ATA SECTOR COUNT REGISTER
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266 |
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267 | // clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
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268 | memset(buff, 0, BUFFER_LENGTH);
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269 |
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270 | buff[0]=ATA_SMART_CMD;
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271 | switch (command){
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272 | case CHECK_POWER_MODE:
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273 | buff[0]=ATA_CHECK_POWER_MODE;
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274 | copydata=1;
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275 | break;
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276 | case READ_VALUES:
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277 | buff[2]=ATA_SMART_READ_VALUES;
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278 | buff[3]=1;
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279 | copydata=512;
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280 | break;
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281 | case READ_THRESHOLDS:
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282 | buff[2]=ATA_SMART_READ_THRESHOLDS;
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283 | buff[1]=buff[3]=1;
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284 | copydata=512;
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285 | break;
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286 | case READ_LOG:
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287 | buff[2]=ATA_SMART_READ_LOG_SECTOR;
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288 | buff[1]=select;
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289 | buff[3]=1;
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290 | copydata=512;
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291 | break;
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292 | case WRITE_LOG:
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293 | break;
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294 | case IDENTIFY:
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295 | buff[0]=ATA_IDENTIFY_DEVICE;
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296 | buff[3]=1;
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297 | copydata=512;
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298 | break;
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299 | case PIDENTIFY:
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300 | buff[0]=ATA_IDENTIFY_PACKET_DEVICE;
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301 | buff[3]=1;
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302 | copydata=512;
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303 | break;
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304 | case ENABLE:
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305 | buff[2]=ATA_SMART_ENABLE;
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306 | buff[1]=1;
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307 | break;
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308 | case DISABLE:
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309 | buff[2]=ATA_SMART_DISABLE;
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310 | buff[1]=1;
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311 | break;
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312 | case STATUS:
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313 | // this command only says if SMART is working. It could be
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314 | // replaced with STATUS_CHECK below.
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315 | buff[2]=ATA_SMART_STATUS;
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316 | break;
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317 | case AUTO_OFFLINE:
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318 | // NOTE: According to ATAPI 4 and UP, this command is obsolete
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319 | // select == 241 for enable but no data transfer. Use TASK ioctl.
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320 | buff[1]=ATA_SMART_AUTO_OFFLINE;
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321 | buff[2]=select;
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322 | break;
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323 | case AUTOSAVE:
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324 | // select == 248 for enable but no data transfer. Use TASK ioctl.
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325 | buff[1]=ATA_SMART_AUTOSAVE;
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326 | buff[2]=select;
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327 | break;
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328 | case IMMEDIATE_OFFLINE:
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329 | buff[2]=ATA_SMART_IMMEDIATE_OFFLINE;
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330 | buff[1]=select;
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331 | break;
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332 | case STATUS_CHECK:
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333 | // This command uses HDIO_DRIVE_TASK and has different syntax than
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334 | // the other commands.
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335 | buff[1]=ATA_SMART_STATUS;
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336 | break;
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337 | default:
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338 | pout("Unrecognized command %d in linux_ata_command_interface()\n"
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339 | "Please contact " PACKAGE_BUGREPORT "\n", command);
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340 | errno=ENOSYS;
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341 | return -1;
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342 | }
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343 |
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344 | // This command uses the HDIO_DRIVE_TASKFILE ioctl(). This is the
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345 | // only ioctl() that can be used to WRITE data to the disk.
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346 | if (command==WRITE_LOG) {
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347 | unsigned char task[sizeof(ide_task_request_t)+512];
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348 | ide_task_request_t *reqtask=(ide_task_request_t *) task;
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349 | task_struct_t *taskfile=(task_struct_t *) reqtask->io_ports;
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350 |
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351 | memset(task, 0, sizeof(task));
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352 |
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353 | taskfile->data = 0;
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354 | taskfile->feature = ATA_SMART_WRITE_LOG_SECTOR;
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355 | taskfile->sector_count = 1;
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356 | taskfile->sector_number = select;
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357 | taskfile->low_cylinder = 0x4f;
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358 | taskfile->high_cylinder = 0xc2;
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359 | taskfile->device_head = 0;
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360 | taskfile->command = ATA_SMART_CMD;
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361 |
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362 | reqtask->data_phase = TASKFILE_OUT;
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363 | reqtask->req_cmd = IDE_DRIVE_TASK_OUT;
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364 | reqtask->out_size = 512;
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365 | reqtask->in_size = 0;
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366 |
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367 | // copy user data into the task request structure
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368 | memcpy(task+sizeof(ide_task_request_t), data, 512);
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369 |
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370 | if (ioctl(get_fd(), HDIO_DRIVE_TASKFILE, task)) {
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371 | if (errno==EINVAL)
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372 | pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASK_IOCTL set\n");
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373 | return -1;
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374 | }
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375 | return 0;
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376 | }
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377 |
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378 | // There are two different types of ioctls(). The HDIO_DRIVE_TASK
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379 | // one is this:
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380 | if (command==STATUS_CHECK || command==AUTOSAVE || command==AUTO_OFFLINE){
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381 | // NOT DOCUMENTED in /usr/src/linux/include/linux/hdreg.h. You
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382 | // have to read the IDE driver source code. Sigh.
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383 | // buff[0]: ATA COMMAND CODE REGISTER
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384 | // buff[1]: ATA FEATURES REGISTER
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385 | // buff[2]: ATA SECTOR_COUNT
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386 | // buff[3]: ATA SECTOR NUMBER
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387 | // buff[4]: ATA CYL LO REGISTER
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388 | // buff[5]: ATA CYL HI REGISTER
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389 | // buff[6]: ATA DEVICE HEAD
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390 |
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391 | unsigned const char normal_lo=0x4f, normal_hi=0xc2;
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392 | unsigned const char failed_lo=0xf4, failed_hi=0x2c;
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393 | buff[4]=normal_lo;
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394 | buff[5]=normal_hi;
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395 |
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396 | if (ioctl(get_fd(), HDIO_DRIVE_TASK, buff)) {
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397 | if (errno==EINVAL) {
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398 | pout("Error SMART Status command via HDIO_DRIVE_TASK failed");
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399 | pout("Rebuild older linux 2.2 kernels with HDIO_DRIVE_TASK support added\n");
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400 | }
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401 | else
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402 | syserror("Error SMART Status command failed");
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403 | return -1;
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404 | }
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405 |
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406 | // Cyl low and Cyl high unchanged means "Good SMART status"
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407 | if (buff[4]==normal_lo && buff[5]==normal_hi)
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408 | return 0;
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409 |
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410 | // These values mean "Bad SMART status"
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411 | if (buff[4]==failed_lo && buff[5]==failed_hi)
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412 | return 1;
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413 |
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414 | // We haven't gotten output that makes sense; print out some debugging info
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415 | syserror("Error SMART Status command failed");
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416 | pout("Please get assistance from " PACKAGE_HOMEPAGE "\n");
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417 | pout("Register values returned from SMART Status command are:\n");
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418 | pout("ST =0x%02x\n",(int)buff[0]);
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419 | pout("ERR=0x%02x\n",(int)buff[1]);
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420 | pout("NS =0x%02x\n",(int)buff[2]);
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421 | pout("SC =0x%02x\n",(int)buff[3]);
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422 | pout("CL =0x%02x\n",(int)buff[4]);
|
---|
423 | pout("CH =0x%02x\n",(int)buff[5]);
|
---|
424 | pout("SEL=0x%02x\n",(int)buff[6]);
|
---|
425 | return -1;
|
---|
426 | }
|
---|
427 |
|
---|
428 | #if 1
|
---|
429 | // Note to people doing ports to other OSes -- don't worry about
|
---|
430 | // this block -- you can safely ignore it. I have put it here
|
---|
431 | // because under linux when you do IDENTIFY DEVICE to a packet
|
---|
432 | // device, it generates an ugly kernel syslog error message. This
|
---|
433 | // is harmless but frightens users. So this block detects packet
|
---|
434 | // devices and make IDENTIFY DEVICE fail "nicely" without a syslog
|
---|
435 | // error message.
|
---|
436 | //
|
---|
437 | // If you read only the ATA specs, it appears as if a packet device
|
---|
438 | // *might* respond to the IDENTIFY DEVICE command. This is
|
---|
439 | // misleading - it's because around the time that SFF-8020 was
|
---|
440 | // incorporated into the ATA-3/4 standard, the ATA authors were
|
---|
441 | // sloppy. See SFF-8020 and you will see that ATAPI devices have
|
---|
442 | // *always* had IDENTIFY PACKET DEVICE as a mandatory part of their
|
---|
443 | // command set, and return 'Command Aborted' to IDENTIFY DEVICE.
|
---|
444 | if (command==IDENTIFY || command==PIDENTIFY){
|
---|
445 | unsigned short deviceid[256];
|
---|
446 | // check the device identity, as seen when the system was booted
|
---|
447 | // or the device was FIRST registered. This will not be current
|
---|
448 | // if the user has subsequently changed some of the parameters. If
|
---|
449 | // device is a packet device, swap the command interpretations.
|
---|
450 | if (!ioctl(get_fd(), HDIO_GET_IDENTITY, deviceid) && (deviceid[0] & 0x8000))
|
---|
451 | buff[0]=(command==IDENTIFY)?ATA_IDENTIFY_PACKET_DEVICE:ATA_IDENTIFY_DEVICE;
|
---|
452 | }
|
---|
453 | #endif
|
---|
454 |
|
---|
455 | // We are now doing the HDIO_DRIVE_CMD type ioctl.
|
---|
456 | if ((ioctl(get_fd(), HDIO_DRIVE_CMD, buff)))
|
---|
457 | return -1;
|
---|
458 |
|
---|
459 | // CHECK POWER MODE command returns information in the Sector Count
|
---|
460 | // register (buff[3]). Copy to return data buffer.
|
---|
461 | if (command==CHECK_POWER_MODE)
|
---|
462 | buff[HDIO_DRIVE_CMD_OFFSET]=buff[2];
|
---|
463 |
|
---|
464 | // if the command returns data then copy it back
|
---|
465 | if (copydata)
|
---|
466 | memcpy(data, buff+HDIO_DRIVE_CMD_OFFSET, copydata);
|
---|
467 |
|
---|
468 | return 0;
|
---|
469 | }
|
---|
470 |
|
---|
471 | // >>>>>> Start of general SCSI specific linux code
|
---|
472 |
|
---|
473 | /* Linux specific code.
|
---|
474 | * Historically smartmontools (and smartsuite before it) used the
|
---|
475 | * SCSI_IOCTL_SEND_COMMAND ioctl which is available to all linux device
|
---|
476 | * nodes that use the SCSI subsystem. A better interface has been available
|
---|
477 | * via the SCSI generic (sg) driver but this involves the extra step of
|
---|
478 | * mapping disk devices (e.g. /dev/sda) to the corresponding sg device
|
---|
479 | * (e.g. /dev/sg2). In the linux kernel 2.6 series most of the facilities of
|
---|
480 | * the sg driver have become available via the SG_IO ioctl which is available
|
---|
481 | * on all SCSI devices (on SCSI tape devices from lk 2.6.6).
|
---|
482 | * So the strategy below is to find out if the SG_IO ioctl is available and
|
---|
483 | * if so use it; failing that use the older SCSI_IOCTL_SEND_COMMAND ioctl.
|
---|
484 | * Should work in 2.0, 2.2, 2.4 and 2.6 series linux kernels. */
|
---|
485 |
|
---|
486 | #define MAX_DXFER_LEN 1024 /* can be increased if necessary */
|
---|
487 | #define SEND_IOCTL_RESP_SENSE_LEN 16 /* ioctl limitation */
|
---|
488 | #define SG_IO_RESP_SENSE_LEN 64 /* large enough see buffer */
|
---|
489 | #define LSCSI_DRIVER_MASK 0xf /* mask out "suggestions" */
|
---|
490 | #define LSCSI_DRIVER_SENSE 0x8 /* alternate CHECK CONDITION indication */
|
---|
491 | #define LSCSI_DID_ERROR 0x7 /* Need to work around aacraid driver quirk */
|
---|
492 | #define LSCSI_DRIVER_TIMEOUT 0x6
|
---|
493 | #define LSCSI_DID_TIME_OUT 0x3
|
---|
494 | #define LSCSI_DID_BUS_BUSY 0x2
|
---|
495 | #define LSCSI_DID_NO_CONNECT 0x1
|
---|
496 |
|
---|
497 | #ifndef SCSI_IOCTL_SEND_COMMAND
|
---|
498 | #define SCSI_IOCTL_SEND_COMMAND 1
|
---|
499 | #endif
|
---|
500 |
|
---|
501 | #define SG_IO_USE_DETECT 0
|
---|
502 | #define SG_IO_UNSUPP 1
|
---|
503 | #define SG_IO_USE_V3 3
|
---|
504 | #define SG_IO_USE_V4 4
|
---|
505 |
|
---|
506 | static int sg_io_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report,
|
---|
507 | int sgio_ver);
|
---|
508 | static int sisc_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);
|
---|
509 |
|
---|
510 | static int sg_io_state = SG_IO_USE_DETECT;
|
---|
511 |
|
---|
512 | /* Preferred implementation for issuing SCSI commands in linux. This
|
---|
513 | * function uses the SG_IO ioctl. Return 0 if command issued successfully
|
---|
514 | * (various status values should still be checked). If the SCSI command
|
---|
515 | * cannot be issued then a negative errno value is returned. */
|
---|
516 | static int sg_io_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report,
|
---|
517 | int sg_io_ver)
|
---|
518 | {
|
---|
519 | #ifndef SG_IO
|
---|
520 | ARGUSED(dev_fd); ARGUSED(iop); ARGUSED(report);
|
---|
521 | return -ENOTTY;
|
---|
522 | #else
|
---|
523 |
|
---|
524 | /* we are filling structures for both versions, but using only one requested */
|
---|
525 | struct sg_io_hdr io_hdr_v3;
|
---|
526 | struct sg_io_v4 io_hdr_v4;
|
---|
527 |
|
---|
528 | #ifdef SCSI_CDB_CHECK
|
---|
529 | bool ok = is_scsi_cdb(iop->cmnd, iop->cmnd_len);
|
---|
530 | if (! ok) {
|
---|
531 | int n = iop->cmnd_len;
|
---|
532 | const unsigned char * ucp = iop->cmnd;
|
---|
533 |
|
---|
534 | pout(">>>>>>>> %s: cdb seems invalid, opcode=0x%x, len=%d, cdb:\n",
|
---|
535 | __func__, ((n > 0) ? ucp[0] : 0), n);
|
---|
536 | if (n > 0) {
|
---|
537 | if (n > 16)
|
---|
538 | pout(" <<truncating to first 16 bytes>>\n");
|
---|
539 | dStrHex((const uint8_t *)ucp, ((n > 16) ? 16 : n), 1);
|
---|
540 | }
|
---|
541 | }
|
---|
542 | #endif
|
---|
543 |
|
---|
544 | if (report > 0) {
|
---|
545 | int k, j;
|
---|
546 | const unsigned char * ucp = iop->cmnd;
|
---|
547 | const char * np;
|
---|
548 | char buff[256];
|
---|
549 | const int sz = (int)sizeof(buff);
|
---|
550 |
|
---|
551 | pout(">>>> do_scsi_cmnd_io: sg_io_ver=%d\n", sg_io_ver);
|
---|
552 | np = scsi_get_opcode_name(ucp[0]);
|
---|
553 | j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
|
---|
554 | for (k = 0; k < (int)iop->cmnd_len; ++k)
|
---|
555 | j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
|
---|
556 | if ((report > 1) &&
|
---|
557 | (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
|
---|
558 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
559 |
|
---|
560 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
|
---|
561 | "data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
562 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
563 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
564 | }
|
---|
565 | else
|
---|
566 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
|
---|
567 | pout("%s", buff);
|
---|
568 | }
|
---|
569 | memset(&io_hdr_v3, 0, sizeof(struct sg_io_hdr));
|
---|
570 | memset(&io_hdr_v4, 0, sizeof(struct sg_io_v4));
|
---|
571 |
|
---|
572 | io_hdr_v3.interface_id = 'S';
|
---|
573 | io_hdr_v3.cmd_len = iop->cmnd_len;
|
---|
574 | io_hdr_v3.mx_sb_len = iop->max_sense_len;
|
---|
575 | io_hdr_v3.dxfer_len = iop->dxfer_len;
|
---|
576 | io_hdr_v3.dxferp = iop->dxferp;
|
---|
577 | io_hdr_v3.cmdp = iop->cmnd;
|
---|
578 | io_hdr_v3.sbp = iop->sensep;
|
---|
579 | /* sg_io_hdr interface timeout has millisecond units. Timeout of 0
|
---|
580 | defaults to 60 seconds. */
|
---|
581 | io_hdr_v3.timeout = ((0 == iop->timeout) ? 60 : iop->timeout) * 1000;
|
---|
582 |
|
---|
583 | io_hdr_v4.guard = 'Q';
|
---|
584 | io_hdr_v4.request_len = iop->cmnd_len;
|
---|
585 | io_hdr_v4.request = __u64(iop->cmnd);
|
---|
586 | io_hdr_v4.max_response_len = iop->max_sense_len;
|
---|
587 | io_hdr_v4.response = __u64(iop->sensep);
|
---|
588 | io_hdr_v4.timeout = ((0 == iop->timeout) ? 60 : iop->timeout) * 1000; // msec
|
---|
589 |
|
---|
590 | switch (iop->dxfer_dir) {
|
---|
591 | case DXFER_NONE:
|
---|
592 | io_hdr_v3.dxfer_direction = SG_DXFER_NONE;
|
---|
593 | break;
|
---|
594 | case DXFER_FROM_DEVICE:
|
---|
595 | io_hdr_v3.dxfer_direction = SG_DXFER_FROM_DEV;
|
---|
596 | io_hdr_v4.din_xfer_len = iop->dxfer_len;
|
---|
597 | io_hdr_v4.din_xferp = __u64(iop->dxferp);
|
---|
598 | break;
|
---|
599 | case DXFER_TO_DEVICE:
|
---|
600 | io_hdr_v3.dxfer_direction = SG_DXFER_TO_DEV;
|
---|
601 | io_hdr_v4.dout_xfer_len = iop->dxfer_len;
|
---|
602 | io_hdr_v4.dout_xferp = __u64(iop->dxferp);
|
---|
603 | break;
|
---|
604 | default:
|
---|
605 | pout("do_scsi_cmnd_io: bad dxfer_dir\n");
|
---|
606 | return -EINVAL;
|
---|
607 | }
|
---|
608 |
|
---|
609 | iop->resp_sense_len = 0;
|
---|
610 | iop->scsi_status = 0;
|
---|
611 | iop->resid = 0;
|
---|
612 |
|
---|
613 | void * io_hdr = NULL;
|
---|
614 |
|
---|
615 | switch (sg_io_ver) {
|
---|
616 | case SG_IO_USE_V3:
|
---|
617 | io_hdr = &io_hdr_v3;
|
---|
618 | break;
|
---|
619 | case SG_IO_USE_V4:
|
---|
620 | io_hdr = &io_hdr_v4;
|
---|
621 | break;
|
---|
622 | default:
|
---|
623 | // should never be reached
|
---|
624 | errno = EOPNOTSUPP;
|
---|
625 | return -errno;
|
---|
626 | }
|
---|
627 |
|
---|
628 | if (ioctl(dev_fd, SG_IO, io_hdr) < 0) {
|
---|
629 | if (report)
|
---|
630 | pout(" SG_IO ioctl failed, errno=%d [%s], SG_IO_V%d\n", errno,
|
---|
631 | strerror(errno), sg_io_ver);
|
---|
632 | return -errno;
|
---|
633 | }
|
---|
634 |
|
---|
635 | unsigned int sg_driver_status = 0, sg_transport_status = 0, sg_info = 0,
|
---|
636 | sg_duration = 0;
|
---|
637 |
|
---|
638 | if (sg_io_ver == SG_IO_USE_V3) {
|
---|
639 | iop->resid = io_hdr_v3.resid;
|
---|
640 | iop->scsi_status = io_hdr_v3.status;
|
---|
641 | sg_driver_status = io_hdr_v3.driver_status;
|
---|
642 | sg_transport_status = io_hdr_v3.host_status;
|
---|
643 | sg_info = io_hdr_v3.info;
|
---|
644 | iop->resp_sense_len = io_hdr_v3.sb_len_wr;
|
---|
645 | sg_duration = io_hdr_v3.duration;
|
---|
646 | }
|
---|
647 |
|
---|
648 | if (sg_io_ver == SG_IO_USE_V4) {
|
---|
649 | switch (iop->dxfer_dir) {
|
---|
650 | case DXFER_NONE:
|
---|
651 | iop->resid = 0;
|
---|
652 | break;
|
---|
653 | case DXFER_FROM_DEVICE:
|
---|
654 | iop->resid = io_hdr_v4.din_resid;
|
---|
655 | break;
|
---|
656 | case DXFER_TO_DEVICE:
|
---|
657 | iop->resid = io_hdr_v4.dout_resid;
|
---|
658 | break;
|
---|
659 | }
|
---|
660 | iop->scsi_status = io_hdr_v4.device_status;
|
---|
661 | sg_driver_status = io_hdr_v4.driver_status;
|
---|
662 | sg_transport_status = io_hdr_v4.transport_status;
|
---|
663 | sg_info = io_hdr_v4.info;
|
---|
664 | iop->resp_sense_len = io_hdr_v4.response_len;
|
---|
665 | sg_duration = io_hdr_v4.duration;
|
---|
666 | }
|
---|
667 |
|
---|
668 | if (report > 0) {
|
---|
669 | pout(" scsi_status=0x%x, sg_transport_status=0x%x, sg_driver_status=0x%x\n"
|
---|
670 | " sg_info=0x%x sg_duration=%d milliseconds resid=%d\n", iop->scsi_status,
|
---|
671 | sg_transport_status, sg_driver_status, sg_info,
|
---|
672 | sg_duration, iop->resid);
|
---|
673 |
|
---|
674 | if (report > 1) {
|
---|
675 | if (DXFER_FROM_DEVICE == iop->dxfer_dir) {
|
---|
676 | int trunc, len;
|
---|
677 |
|
---|
678 | len = iop->dxfer_len - iop->resid;
|
---|
679 | trunc = (len > 256) ? 1 : 0;
|
---|
680 | if (len > 0) {
|
---|
681 | pout(" Incoming data, len=%d%s:\n", len,
|
---|
682 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
683 | dStrHex(iop->dxferp, (trunc ? 256 : len), 1);
|
---|
684 | } else
|
---|
685 | pout(" Incoming data trimmed to nothing by resid\n");
|
---|
686 | }
|
---|
687 | }
|
---|
688 | }
|
---|
689 |
|
---|
690 | if (sg_info & SG_INFO_CHECK) { /* error or warning */
|
---|
691 | int masked_driver_status = (LSCSI_DRIVER_MASK & sg_driver_status);
|
---|
692 |
|
---|
693 | if (0 != sg_transport_status) {
|
---|
694 | if ((LSCSI_DID_NO_CONNECT == sg_transport_status) ||
|
---|
695 | (LSCSI_DID_BUS_BUSY == sg_transport_status) ||
|
---|
696 | (LSCSI_DID_TIME_OUT == sg_transport_status))
|
---|
697 | return -ETIMEDOUT;
|
---|
698 | else
|
---|
699 | /* Check for DID_ERROR - workaround for aacraid driver quirk */
|
---|
700 | if (LSCSI_DID_ERROR != sg_transport_status) {
|
---|
701 | return -EIO; /* catch all if not DID_ERR */
|
---|
702 | }
|
---|
703 | }
|
---|
704 | if (0 != masked_driver_status) {
|
---|
705 | if (LSCSI_DRIVER_TIMEOUT == masked_driver_status)
|
---|
706 | return -ETIMEDOUT;
|
---|
707 | else if (LSCSI_DRIVER_SENSE != masked_driver_status)
|
---|
708 | return -EIO;
|
---|
709 | }
|
---|
710 | if (LSCSI_DRIVER_SENSE == masked_driver_status)
|
---|
711 | iop->scsi_status = SCSI_STATUS_CHECK_CONDITION;
|
---|
712 | if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
|
---|
713 | iop->sensep && (iop->resp_sense_len > 0)) {
|
---|
714 | if (report > 1) {
|
---|
715 | pout(" >>> Sense buffer, len=%d:\n",
|
---|
716 | (int)iop->resp_sense_len);
|
---|
717 | dStrHex(iop->sensep, iop->resp_sense_len , 1);
|
---|
718 | }
|
---|
719 | }
|
---|
720 | if (report) {
|
---|
721 | if (SCSI_STATUS_CHECK_CONDITION == iop->scsi_status && iop->sensep) {
|
---|
722 | if ((iop->sensep[0] & 0x7f) > 0x71)
|
---|
723 | pout(" status=%x: [desc] sense_key=%x asc=%x ascq=%x\n",
|
---|
724 | iop->scsi_status, iop->sensep[1] & 0xf,
|
---|
725 | iop->sensep[2], iop->sensep[3]);
|
---|
726 | else
|
---|
727 | pout(" status=%x: sense_key=%x asc=%x ascq=%x\n",
|
---|
728 | iop->scsi_status, iop->sensep[2] & 0xf,
|
---|
729 | iop->sensep[12], iop->sensep[13]);
|
---|
730 | }
|
---|
731 | else
|
---|
732 | pout(" status=0x%x\n", iop->scsi_status);
|
---|
733 | }
|
---|
734 | }
|
---|
735 | return 0;
|
---|
736 | #endif
|
---|
737 | }
|
---|
738 |
|
---|
739 | struct linux_ioctl_send_command
|
---|
740 | {
|
---|
741 | int inbufsize;
|
---|
742 | int outbufsize;
|
---|
743 | uint8_t buff[MAX_DXFER_LEN + 16];
|
---|
744 | };
|
---|
745 |
|
---|
746 | /* The Linux SCSI_IOCTL_SEND_COMMAND ioctl is primitive and it doesn't
|
---|
747 | * support: CDB length (guesses it from opcode), resid and timeout.
|
---|
748 | * Patches in Linux 2.4.21 and 2.5.70 to extend SEND DIAGNOSTIC timeout
|
---|
749 | * to 2 hours in order to allow long foreground extended self tests. */
|
---|
750 | static int sisc_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report)
|
---|
751 | {
|
---|
752 | struct linux_ioctl_send_command wrk;
|
---|
753 | int status, buff_offset;
|
---|
754 | size_t len;
|
---|
755 |
|
---|
756 | memcpy(wrk.buff, iop->cmnd, iop->cmnd_len);
|
---|
757 | buff_offset = iop->cmnd_len;
|
---|
758 | if (report > 0) {
|
---|
759 | int k, j;
|
---|
760 | const unsigned char * ucp = iop->cmnd;
|
---|
761 | const char * np;
|
---|
762 | char buff[256];
|
---|
763 | const int sz = (int)sizeof(buff);
|
---|
764 |
|
---|
765 | np = scsi_get_opcode_name(ucp[0]);
|
---|
766 | j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
|
---|
767 | for (k = 0; k < (int)iop->cmnd_len; ++k)
|
---|
768 | j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
|
---|
769 | if ((report > 1) && (DXFER_TO_DEVICE == iop->dxfer_dir)) {
|
---|
770 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
771 |
|
---|
772 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
|
---|
773 | "data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
774 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
775 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
776 | }
|
---|
777 | else
|
---|
778 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
|
---|
779 | pout("%s", buff);
|
---|
780 | }
|
---|
781 | switch (iop->dxfer_dir) {
|
---|
782 | case DXFER_NONE:
|
---|
783 | wrk.inbufsize = 0;
|
---|
784 | wrk.outbufsize = 0;
|
---|
785 | break;
|
---|
786 | case DXFER_FROM_DEVICE:
|
---|
787 | wrk.inbufsize = 0;
|
---|
788 | if (iop->dxfer_len > MAX_DXFER_LEN)
|
---|
789 | return -EINVAL;
|
---|
790 | wrk.outbufsize = iop->dxfer_len;
|
---|
791 | break;
|
---|
792 | case DXFER_TO_DEVICE:
|
---|
793 | if (iop->dxfer_len > MAX_DXFER_LEN)
|
---|
794 | return -EINVAL;
|
---|
795 | memcpy(wrk.buff + buff_offset, iop->dxferp, iop->dxfer_len);
|
---|
796 | wrk.inbufsize = iop->dxfer_len;
|
---|
797 | wrk.outbufsize = 0;
|
---|
798 | break;
|
---|
799 | default:
|
---|
800 | pout("do_scsi_cmnd_io: bad dxfer_dir\n");
|
---|
801 | return -EINVAL;
|
---|
802 | }
|
---|
803 | iop->resp_sense_len = 0;
|
---|
804 | iop->scsi_status = 0;
|
---|
805 | iop->resid = 0;
|
---|
806 | status = ioctl(dev_fd, SCSI_IOCTL_SEND_COMMAND, &wrk);
|
---|
807 | if (-1 == status) {
|
---|
808 | if (report)
|
---|
809 | pout(" SCSI_IOCTL_SEND_COMMAND ioctl failed, errno=%d [%s]\n",
|
---|
810 | errno, strerror(errno));
|
---|
811 | return -errno;
|
---|
812 | }
|
---|
813 | if (0 == status) {
|
---|
814 | if (report > 0)
|
---|
815 | pout(" status=0\n");
|
---|
816 | if (DXFER_FROM_DEVICE == iop->dxfer_dir) {
|
---|
817 | memcpy(iop->dxferp, wrk.buff, iop->dxfer_len);
|
---|
818 | if (report > 1) {
|
---|
819 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
820 |
|
---|
821 | pout(" Incoming data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
822 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
823 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
824 | }
|
---|
825 | }
|
---|
826 | return 0;
|
---|
827 | }
|
---|
828 | iop->scsi_status = status & 0x7e; /* bits 0 and 7 used to be for vendors */
|
---|
829 | if (LSCSI_DRIVER_SENSE == ((status >> 24) & 0xf))
|
---|
830 | iop->scsi_status = SCSI_STATUS_CHECK_CONDITION;
|
---|
831 | len = (SEND_IOCTL_RESP_SENSE_LEN < iop->max_sense_len) ?
|
---|
832 | SEND_IOCTL_RESP_SENSE_LEN : iop->max_sense_len;
|
---|
833 | if ((SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) &&
|
---|
834 | iop->sensep && (len > 0)) {
|
---|
835 | memcpy(iop->sensep, wrk.buff, len);
|
---|
836 | iop->resp_sense_len = len;
|
---|
837 | if (report > 1) {
|
---|
838 | pout(" >>> Sense buffer, len=%d:\n", (int)len);
|
---|
839 | dStrHex(wrk.buff, len , 1);
|
---|
840 | }
|
---|
841 | }
|
---|
842 | if (report) {
|
---|
843 | if (SCSI_STATUS_CHECK_CONDITION == iop->scsi_status) {
|
---|
844 | pout(" status=%x: sense_key=%x asc=%x ascq=%x\n", status & 0xff,
|
---|
845 | wrk.buff[2] & 0xf, wrk.buff[12], wrk.buff[13]);
|
---|
846 | }
|
---|
847 | else
|
---|
848 | pout(" status=0x%x\n", status);
|
---|
849 | }
|
---|
850 | if (iop->scsi_status > 0)
|
---|
851 | return 0;
|
---|
852 | else {
|
---|
853 | if (report > 0)
|
---|
854 | pout(" ioctl status=0x%x but scsi status=0, fail with EIO\n",
|
---|
855 | status);
|
---|
856 | return -EIO; /* give up, assume no device there */
|
---|
857 | }
|
---|
858 | }
|
---|
859 |
|
---|
860 | /* SCSI command transmission interface function, linux version.
|
---|
861 | * Returns 0 if SCSI command successfully launched and response
|
---|
862 | * received. Even when 0 is returned the caller should check
|
---|
863 | * scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
|
---|
864 | * (e.g. CHECK CONDITION). If the SCSI command could not be issued
|
---|
865 | * (e.g. device not present or timeout) or some other problem
|
---|
866 | * (e.g. timeout) then returns a negative errno value */
|
---|
867 | static int do_normal_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop,
|
---|
868 | int report)
|
---|
869 | {
|
---|
870 | int res;
|
---|
871 |
|
---|
872 | /* implementation relies on static sg_io_state variable. If not
|
---|
873 | * previously set tries the SG_IO ioctl. If that succeeds assume
|
---|
874 | * that SG_IO ioctl functional. If it fails with an errno value
|
---|
875 | * other than ENODEV (no device) or permission then assume
|
---|
876 | * SCSI_IOCTL_SEND_COMMAND is the only option. */
|
---|
877 | switch (sg_io_state) {
|
---|
878 | case SG_IO_USE_DETECT:
|
---|
879 | /* ignore report argument */
|
---|
880 | /* Try SG_IO V3 first */
|
---|
881 | if (0 == (res = sg_io_cmnd_io(dev_fd, iop, report, SG_IO_USE_V3))) {
|
---|
882 | sg_io_state = SG_IO_USE_V3;
|
---|
883 | return 0;
|
---|
884 | } else if ((-ENODEV == res) || (-EACCES == res) || (-EPERM == res))
|
---|
885 | return res; /* wait until we see a device */
|
---|
886 | /* See if we can use SG_IO V4 * */
|
---|
887 | if (0 == (res = sg_io_cmnd_io(dev_fd, iop, report, SG_IO_USE_V4))) {
|
---|
888 | sg_io_state = SG_IO_USE_V4;
|
---|
889 | return 0;
|
---|
890 | } else if ((-ENODEV == res) || (-EACCES == res) || (-EPERM == res))
|
---|
891 | return res; /* wait until we see a device */
|
---|
892 | /* fallback to the SCSI_IOCTL_SEND_COMMAND */
|
---|
893 | sg_io_state = SG_IO_UNSUPP;
|
---|
894 | /* FALLTHRU */
|
---|
895 | case SG_IO_UNSUPP:
|
---|
896 | /* deprecated SCSI_IOCTL_SEND_COMMAND ioctl */
|
---|
897 | return sisc_cmnd_io(dev_fd, iop, report);
|
---|
898 | case SG_IO_USE_V3:
|
---|
899 | case SG_IO_USE_V4:
|
---|
900 | /* use SG_IO V3 or V4 ioctl, depending on availabiliy */
|
---|
901 | return sg_io_cmnd_io(dev_fd, iop, report, sg_io_state);
|
---|
902 | default:
|
---|
903 | pout(">>>> do_scsi_cmnd_io: bad sg_io_state=%d\n", sg_io_state);
|
---|
904 | sg_io_state = SG_IO_USE_DETECT;
|
---|
905 | return -EIO; /* report error and reset state */
|
---|
906 | }
|
---|
907 | }
|
---|
908 |
|
---|
909 | // >>>>>> End of general SCSI specific linux code
|
---|
910 |
|
---|
911 | /////////////////////////////////////////////////////////////////////////////
|
---|
912 | /// Standard SCSI support
|
---|
913 |
|
---|
914 | class linux_scsi_device
|
---|
915 | : public /*implements*/ scsi_device,
|
---|
916 | public /*extends*/ linux_smart_device
|
---|
917 | {
|
---|
918 | public:
|
---|
919 | linux_scsi_device(smart_interface * intf, const char * dev_name,
|
---|
920 | const char * req_type, bool scanning = false);
|
---|
921 |
|
---|
922 | virtual smart_device * autodetect_open() override;
|
---|
923 |
|
---|
924 | virtual bool scsi_pass_through(scsi_cmnd_io * iop) override;
|
---|
925 |
|
---|
926 | private:
|
---|
927 | bool m_scanning; ///< true if created within scan_smart_devices
|
---|
928 | };
|
---|
929 |
|
---|
930 | linux_scsi_device::linux_scsi_device(smart_interface * intf,
|
---|
931 | const char * dev_name, const char * req_type, bool scanning /*= false*/)
|
---|
932 | : smart_device(intf, dev_name, "scsi", req_type),
|
---|
933 | // If opened with O_RDWR, a SATA disk in standby mode
|
---|
934 | // may spin-up after device close().
|
---|
935 | linux_smart_device(O_RDONLY | O_NONBLOCK),
|
---|
936 | m_scanning(scanning)
|
---|
937 | {
|
---|
938 | }
|
---|
939 |
|
---|
940 | bool linux_scsi_device::scsi_pass_through(scsi_cmnd_io * iop)
|
---|
941 | {
|
---|
942 | int status = do_normal_scsi_cmnd_io(get_fd(), iop, scsi_debugmode);
|
---|
943 | if (status < 0)
|
---|
944 | return set_err(-status);
|
---|
945 | return true;
|
---|
946 | }
|
---|
947 |
|
---|
948 | /////////////////////////////////////////////////////////////////////////////
|
---|
949 | /// PMC AacRAID support
|
---|
950 |
|
---|
951 | class linux_aacraid_device
|
---|
952 | :public scsi_device,
|
---|
953 | public /*extends */ linux_smart_device
|
---|
954 | {
|
---|
955 | public:
|
---|
956 | linux_aacraid_device(smart_interface *intf, const char *dev_name,
|
---|
957 | unsigned int host, unsigned int channel, unsigned int device);
|
---|
958 |
|
---|
959 | virtual ~linux_aacraid_device();
|
---|
960 |
|
---|
961 | virtual bool open() override;
|
---|
962 |
|
---|
963 | virtual bool scsi_pass_through(scsi_cmnd_io *iop) override;
|
---|
964 |
|
---|
965 | private:
|
---|
966 | //Device Host number
|
---|
967 | int aHost;
|
---|
968 |
|
---|
969 | //Channel(Lun) of the device
|
---|
970 | int aLun;
|
---|
971 |
|
---|
972 | //Id of the device
|
---|
973 | int aId;
|
---|
974 |
|
---|
975 | };
|
---|
976 |
|
---|
977 | linux_aacraid_device::linux_aacraid_device(smart_interface *intf,
|
---|
978 | const char *dev_name, unsigned int host, unsigned int channel, unsigned int device)
|
---|
979 | : smart_device(intf,dev_name,"aacraid","aacraid"),
|
---|
980 | linux_smart_device(O_RDWR|O_NONBLOCK),
|
---|
981 | aHost(host), aLun(channel), aId(device)
|
---|
982 | {
|
---|
983 | set_info().info_name = strprintf("%s [aacraid_disk_%02d_%02d_%d]",dev_name,aHost,aLun,aId);
|
---|
984 | set_info().dev_type = strprintf("aacraid,%d,%d,%d",aHost,aLun,aId);
|
---|
985 | }
|
---|
986 |
|
---|
987 | linux_aacraid_device::~linux_aacraid_device()
|
---|
988 | {
|
---|
989 | }
|
---|
990 |
|
---|
991 | bool linux_aacraid_device::open()
|
---|
992 | {
|
---|
993 | //Create the character device name based on the host number
|
---|
994 | //Required for get stats from disks connected to different controllers
|
---|
995 | char dev_name[128];
|
---|
996 | snprintf(dev_name, sizeof(dev_name), "/dev/aac%d", aHost);
|
---|
997 |
|
---|
998 | //Initial open of dev name to check if it exsists
|
---|
999 | int afd = ::open(dev_name,O_RDWR);
|
---|
1000 |
|
---|
1001 | if(afd < 0 && errno == ENOENT) {
|
---|
1002 |
|
---|
1003 | FILE *fp = fopen("/proc/devices","r");
|
---|
1004 | if(NULL == fp)
|
---|
1005 | return set_err(errno,"cannot open /proc/devices:%s",
|
---|
1006 | strerror(errno));
|
---|
1007 |
|
---|
1008 | char line[256];
|
---|
1009 | int mjr = -1;
|
---|
1010 |
|
---|
1011 | while(fgets(line,sizeof(line),fp) !=NULL) {
|
---|
1012 | int nc = -1;
|
---|
1013 | if(sscanf(line,"%d aac%n",&mjr,&nc) == 1
|
---|
1014 | && nc > 0 && '\n' == line[nc])
|
---|
1015 | break;
|
---|
1016 | mjr = -1;
|
---|
1017 | }
|
---|
1018 |
|
---|
1019 | //work with /proc/devices is done
|
---|
1020 | fclose(fp);
|
---|
1021 |
|
---|
1022 | if (mjr < 0)
|
---|
1023 | return set_err(ENOENT, "aac entry not found in /proc/devices");
|
---|
1024 |
|
---|
1025 | //Create misc device file in /dev/ used for communication with driver
|
---|
1026 | if(mknod(dev_name, S_IFCHR|0600, makedev(mjr,aHost)))
|
---|
1027 | return set_err(errno,"cannot create %s:%s",dev_name,strerror(errno));
|
---|
1028 |
|
---|
1029 | afd = ::open(dev_name,O_RDWR);
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | if(afd < 0)
|
---|
1033 | return set_err(errno,"cannot open %s:%s",dev_name,strerror(errno));
|
---|
1034 |
|
---|
1035 | set_fd(afd);
|
---|
1036 | return true;
|
---|
1037 | }
|
---|
1038 |
|
---|
1039 | bool linux_aacraid_device::scsi_pass_through(scsi_cmnd_io *iop)
|
---|
1040 | {
|
---|
1041 | int report = scsi_debugmode;
|
---|
1042 |
|
---|
1043 | if (report > 0) {
|
---|
1044 | int k, j;
|
---|
1045 | const unsigned char * ucp = iop->cmnd;
|
---|
1046 | const char * np;
|
---|
1047 | char buff[256];
|
---|
1048 | const int sz = (int)sizeof(buff);
|
---|
1049 |
|
---|
1050 | np = scsi_get_opcode_name(ucp[0]);
|
---|
1051 | j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
|
---|
1052 | for (k = 0; k < (int)iop->cmnd_len; ++k)
|
---|
1053 | j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
|
---|
1054 | if ((report > 1) &&
|
---|
1055 | (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
|
---|
1056 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
1057 |
|
---|
1058 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
|
---|
1059 | "data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
1060 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
1061 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
1062 | }
|
---|
1063 | else
|
---|
1064 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
|
---|
1065 |
|
---|
1066 | pout("%s", buff);
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 |
|
---|
1070 | //return test commands
|
---|
1071 | if (iop->cmnd[0] == 0x00)
|
---|
1072 | return true;
|
---|
1073 |
|
---|
1074 | user_aac_reply *pReply;
|
---|
1075 |
|
---|
1076 | #ifdef ENVIRONMENT64
|
---|
1077 | // Create user 64 bit request
|
---|
1078 | user_aac_srb64 *pSrb;
|
---|
1079 | uint8_t aBuff[sizeof(user_aac_srb64) + sizeof(user_aac_reply)] = {0,};
|
---|
1080 |
|
---|
1081 | pSrb = (user_aac_srb64*)aBuff;
|
---|
1082 | pSrb->count = sizeof(user_aac_srb64) - sizeof(user_sgentry64);
|
---|
1083 |
|
---|
1084 | #elif defined(ENVIRONMENT32)
|
---|
1085 | //Create user 32 bit request
|
---|
1086 | user_aac_srb32 *pSrb;
|
---|
1087 | uint8_t aBuff[sizeof(user_aac_srb32) + sizeof(user_aac_reply)] = {0,};
|
---|
1088 |
|
---|
1089 | pSrb = (user_aac_srb32*)aBuff;
|
---|
1090 | pSrb->count = sizeof(user_aac_srb32) - sizeof(user_sgentry32);
|
---|
1091 | #endif
|
---|
1092 |
|
---|
1093 | pSrb->function = SRB_FUNCTION_EXECUTE_SCSI;
|
---|
1094 | //channel is 0 always
|
---|
1095 | pSrb->channel = 0;
|
---|
1096 | pSrb->id = aId;
|
---|
1097 | pSrb->lun = aLun;
|
---|
1098 | pSrb->timeout = 0;
|
---|
1099 |
|
---|
1100 | pSrb->retry_limit = 0;
|
---|
1101 | pSrb->cdb_size = iop->cmnd_len;
|
---|
1102 |
|
---|
1103 | switch(iop->dxfer_dir) {
|
---|
1104 | case DXFER_NONE:
|
---|
1105 | pSrb->flags = SRB_NoDataXfer;
|
---|
1106 | break;
|
---|
1107 | case DXFER_FROM_DEVICE:
|
---|
1108 | pSrb->flags = SRB_DataIn;
|
---|
1109 | break;
|
---|
1110 | case DXFER_TO_DEVICE:
|
---|
1111 | pSrb->flags = SRB_DataOut;
|
---|
1112 | break;
|
---|
1113 | default:
|
---|
1114 | pout("aacraid: bad dxfer_dir\n");
|
---|
1115 | return set_err(EINVAL, "aacraid: bad dxfer_dir\n");
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | if(iop->dxfer_len > 0) {
|
---|
1119 |
|
---|
1120 | #ifdef ENVIRONMENT64
|
---|
1121 | pSrb->sg64.count = 1;
|
---|
1122 | pSrb->sg64.sg64[0].addr64.lo32 = ((intptr_t)iop->dxferp) &
|
---|
1123 | 0x00000000ffffffff;
|
---|
1124 | pSrb->sg64.sg64[0].addr64.hi32 = ((intptr_t)iop->dxferp) >> 32;
|
---|
1125 |
|
---|
1126 | pSrb->sg64.sg64[0].length = (uint32_t)iop->dxfer_len;
|
---|
1127 | pSrb->count += pSrb->sg64.count * sizeof(user_sgentry64);
|
---|
1128 | #elif defined(ENVIRONMENT32)
|
---|
1129 | pSrb->sg32.count = 1;
|
---|
1130 | pSrb->sg32.sg32[0].addr32 = (intptr_t)iop->dxferp;
|
---|
1131 |
|
---|
1132 | pSrb->sg32.sg32[0].length = (uint32_t)iop->dxfer_len;
|
---|
1133 | pSrb->count += pSrb->sg32.count * sizeof(user_sgentry32);
|
---|
1134 | #endif
|
---|
1135 |
|
---|
1136 | }
|
---|
1137 |
|
---|
1138 | pReply = (user_aac_reply*)(aBuff+pSrb->count);
|
---|
1139 |
|
---|
1140 | memcpy(pSrb->cdb,iop->cmnd,iop->cmnd_len);
|
---|
1141 |
|
---|
1142 | int rc = 0;
|
---|
1143 | errno = 0;
|
---|
1144 | rc = ioctl(get_fd(),FSACTL_SEND_RAW_SRB,pSrb);
|
---|
1145 |
|
---|
1146 | if (rc != 0)
|
---|
1147 | return set_err(errno, "aacraid send_raw_srb: %d.%d = %s",
|
---|
1148 | aLun, aId, strerror(errno));
|
---|
1149 |
|
---|
1150 | /* see kernel aacraid.h and MSDN SCSI_REQUEST_BLOCK documentation */
|
---|
1151 | #define SRB_STATUS_SUCCESS 0x1
|
---|
1152 | #define SRB_STATUS_ERROR 0x4
|
---|
1153 | #define SRB_STATUS_NO_DEVICE 0x08
|
---|
1154 | #define SRB_STATUS_SELECTION_TIMEOUT 0x0a
|
---|
1155 | #define SRB_STATUS_AUTOSENSE_VALID 0x80
|
---|
1156 |
|
---|
1157 | iop->scsi_status = pReply->scsi_status;
|
---|
1158 |
|
---|
1159 | if (pReply->srb_status == (SRB_STATUS_AUTOSENSE_VALID | SRB_STATUS_ERROR)
|
---|
1160 | && iop->scsi_status == SCSI_STATUS_CHECK_CONDITION) {
|
---|
1161 | memcpy(iop->sensep, pReply->sense_data, pReply->sense_data_size);
|
---|
1162 | iop->resp_sense_len = pReply->sense_data_size;
|
---|
1163 | return true; /* request completed with sense data */
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | switch (pReply->srb_status & 0x3f) {
|
---|
1167 |
|
---|
1168 | case SRB_STATUS_SUCCESS:
|
---|
1169 | return true; /* request completed successfully */
|
---|
1170 |
|
---|
1171 | case SRB_STATUS_NO_DEVICE:
|
---|
1172 | return set_err(EIO, "aacraid: Device %d %d does not exist", aLun, aId);
|
---|
1173 |
|
---|
1174 | case SRB_STATUS_SELECTION_TIMEOUT:
|
---|
1175 | return set_err(EIO, "aacraid: Device %d %d not responding", aLun, aId);
|
---|
1176 |
|
---|
1177 | default:
|
---|
1178 | return set_err(EIO, "aacraid result: %d.%d = 0x%x",
|
---|
1179 | aLun, aId, pReply->srb_status);
|
---|
1180 | }
|
---|
1181 | }
|
---|
1182 |
|
---|
1183 |
|
---|
1184 | /////////////////////////////////////////////////////////////////////////////
|
---|
1185 | /// LSI MegaRAID support
|
---|
1186 |
|
---|
1187 | class linux_megaraid_device
|
---|
1188 | : public /* implements */ scsi_device,
|
---|
1189 | public /* extends */ linux_smart_device
|
---|
1190 | {
|
---|
1191 | public:
|
---|
1192 | linux_megaraid_device(smart_interface *intf, const char *name,
|
---|
1193 | unsigned int tgt);
|
---|
1194 |
|
---|
1195 | virtual ~linux_megaraid_device();
|
---|
1196 |
|
---|
1197 | virtual smart_device * autodetect_open() override;
|
---|
1198 |
|
---|
1199 | virtual bool open() override;
|
---|
1200 | virtual bool close() override;
|
---|
1201 |
|
---|
1202 | virtual bool scsi_pass_through(scsi_cmnd_io *iop) override;
|
---|
1203 |
|
---|
1204 | private:
|
---|
1205 | unsigned int m_disknum;
|
---|
1206 | unsigned int m_hba;
|
---|
1207 | int m_fd;
|
---|
1208 |
|
---|
1209 | bool (linux_megaraid_device::*pt_cmd)(int cdblen, void *cdb, int dataLen, void *data,
|
---|
1210 | int senseLen, void *sense, int report, int direction);
|
---|
1211 | bool megasas_cmd(int cdbLen, void *cdb, int dataLen, void *data,
|
---|
1212 | int senseLen, void *sense, int report, int direction);
|
---|
1213 | bool megadev_cmd(int cdbLen, void *cdb, int dataLen, void *data,
|
---|
1214 | int senseLen, void *sense, int report, int direction);
|
---|
1215 | };
|
---|
1216 |
|
---|
1217 | linux_megaraid_device::linux_megaraid_device(smart_interface *intf,
|
---|
1218 | const char *dev_name, unsigned int tgt)
|
---|
1219 | : smart_device(intf, dev_name, "megaraid", "megaraid"),
|
---|
1220 | linux_smart_device(O_RDWR | O_NONBLOCK),
|
---|
1221 | m_disknum(tgt), m_hba(0),
|
---|
1222 | m_fd(-1), pt_cmd(0)
|
---|
1223 | {
|
---|
1224 | set_info().info_name = strprintf("%s [megaraid_disk_%02d]", dev_name, m_disknum);
|
---|
1225 | set_info().dev_type = strprintf("megaraid,%d", tgt);
|
---|
1226 | }
|
---|
1227 |
|
---|
1228 | linux_megaraid_device::~linux_megaraid_device()
|
---|
1229 | {
|
---|
1230 | if (m_fd >= 0)
|
---|
1231 | ::close(m_fd);
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | smart_device * linux_megaraid_device::autodetect_open()
|
---|
1235 | {
|
---|
1236 | int report = scsi_debugmode;
|
---|
1237 |
|
---|
1238 | // Open device
|
---|
1239 | if (!open())
|
---|
1240 | return this;
|
---|
1241 |
|
---|
1242 | // The code below is based on smartd.cpp:SCSIFilterKnown()
|
---|
1243 | if (strcmp(get_req_type(), "megaraid"))
|
---|
1244 | return this;
|
---|
1245 |
|
---|
1246 | // Get INQUIRY
|
---|
1247 | unsigned char req_buff[64] = {0, };
|
---|
1248 | int req_len = 36;
|
---|
1249 | if (scsiStdInquiry(this, req_buff, req_len)) {
|
---|
1250 | close();
|
---|
1251 | set_err(EIO, "INQUIRY failed");
|
---|
1252 | return this;
|
---|
1253 | }
|
---|
1254 |
|
---|
1255 | int avail_len = req_buff[4] + 5;
|
---|
1256 | int len = (avail_len < req_len ? avail_len : req_len);
|
---|
1257 | if (len < 36)
|
---|
1258 | return this;
|
---|
1259 |
|
---|
1260 | if (report)
|
---|
1261 | pout("Got MegaRAID inquiry.. %s\n", req_buff+8);
|
---|
1262 |
|
---|
1263 | // Use INQUIRY to detect type
|
---|
1264 | {
|
---|
1265 | // SAT?
|
---|
1266 | ata_device * newdev = smi()->autodetect_sat_device(this, req_buff, len);
|
---|
1267 | if (newdev) // NOTE: 'this' is now owned by '*newdev'
|
---|
1268 | return newdev;
|
---|
1269 | }
|
---|
1270 |
|
---|
1271 | // Nothing special found
|
---|
1272 | return this;
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | bool linux_megaraid_device::open()
|
---|
1276 | {
|
---|
1277 | int mjr;
|
---|
1278 | int report = scsi_debugmode;
|
---|
1279 |
|
---|
1280 | if (sscanf(get_dev_name(), "/dev/bus/%u", &m_hba) == 0) {
|
---|
1281 | if (!linux_smart_device::open())
|
---|
1282 | return false;
|
---|
1283 | /* Get device HBA */
|
---|
1284 | struct sg_scsi_id sgid;
|
---|
1285 | if (ioctl(get_fd(), SG_GET_SCSI_ID, &sgid) == 0) {
|
---|
1286 | m_hba = sgid.host_no;
|
---|
1287 | }
|
---|
1288 | else if (ioctl(get_fd(), SCSI_IOCTL_GET_BUS_NUMBER, &m_hba) != 0) {
|
---|
1289 | int err = errno;
|
---|
1290 | linux_smart_device::close();
|
---|
1291 | return set_err(err, "can't get bus number");
|
---|
1292 | } // we don't need this device anymore
|
---|
1293 | linux_smart_device::close();
|
---|
1294 | }
|
---|
1295 | /* Perform mknod of device ioctl node */
|
---|
1296 | FILE * fp = fopen("/proc/devices", "r");
|
---|
1297 | if (fp) {
|
---|
1298 | char line[128];
|
---|
1299 | while (fgets(line, sizeof(line), fp) != NULL) {
|
---|
1300 | int n1 = 0;
|
---|
1301 | if (sscanf(line, "%d megaraid_sas_ioctl%n", &mjr, &n1) == 1 && n1 == 22) {
|
---|
1302 | n1=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR|0600, makedev(mjr, 0));
|
---|
1303 | if(report > 0)
|
---|
1304 | pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1 >= 0 ? 0 : errno);
|
---|
1305 | if (n1 >= 0 || errno == EEXIST)
|
---|
1306 | break;
|
---|
1307 | }
|
---|
1308 | else if (sscanf(line, "%d megadev%n", &mjr, &n1) == 1 && n1 == 11) {
|
---|
1309 | n1=mknod("/dev/megadev0", S_IFCHR|0600, makedev(mjr, 0));
|
---|
1310 | if(report > 0)
|
---|
1311 | pout("Creating /dev/megadev0 = %d\n", n1 >= 0 ? 0 : errno);
|
---|
1312 | if (n1 >= 0 || errno == EEXIST)
|
---|
1313 | break;
|
---|
1314 | }
|
---|
1315 | }
|
---|
1316 | fclose(fp);
|
---|
1317 | }
|
---|
1318 |
|
---|
1319 | /* Open Device IOCTL node */
|
---|
1320 | if ((m_fd = ::open("/dev/megaraid_sas_ioctl_node", O_RDWR)) >= 0) {
|
---|
1321 | pt_cmd = &linux_megaraid_device::megasas_cmd;
|
---|
1322 | }
|
---|
1323 | else if ((m_fd = ::open("/dev/megadev0", O_RDWR)) >= 0) {
|
---|
1324 | pt_cmd = &linux_megaraid_device::megadev_cmd;
|
---|
1325 | }
|
---|
1326 | else {
|
---|
1327 | int err = errno;
|
---|
1328 | linux_smart_device::close();
|
---|
1329 | return set_err(err, "cannot open /dev/megaraid_sas_ioctl_node or /dev/megadev0");
|
---|
1330 | }
|
---|
1331 | set_fd(m_fd);
|
---|
1332 | return true;
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 | bool linux_megaraid_device::close()
|
---|
1336 | {
|
---|
1337 | if (m_fd >= 0)
|
---|
1338 | ::close(m_fd);
|
---|
1339 | m_fd = -1; m_hba = 0; pt_cmd = 0;
|
---|
1340 | set_fd(m_fd);
|
---|
1341 | return true;
|
---|
1342 | }
|
---|
1343 |
|
---|
1344 | bool linux_megaraid_device::scsi_pass_through(scsi_cmnd_io *iop)
|
---|
1345 | {
|
---|
1346 | int report = scsi_debugmode;
|
---|
1347 |
|
---|
1348 | if (report > 0) {
|
---|
1349 | int k, j;
|
---|
1350 | const unsigned char * ucp = iop->cmnd;
|
---|
1351 | const char * np;
|
---|
1352 | char buff[256];
|
---|
1353 | const int sz = (int)sizeof(buff);
|
---|
1354 |
|
---|
1355 | np = scsi_get_opcode_name(ucp[0]);
|
---|
1356 | j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
|
---|
1357 | for (k = 0; k < (int)iop->cmnd_len; ++k)
|
---|
1358 | j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
|
---|
1359 | if ((report > 1) &&
|
---|
1360 | (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
|
---|
1361 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
1362 |
|
---|
1363 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
|
---|
1364 | "data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
1365 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
1366 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
1367 | }
|
---|
1368 | else
|
---|
1369 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
|
---|
1370 | pout("%s", buff);
|
---|
1371 | }
|
---|
1372 |
|
---|
1373 | // Controller rejects Test Unit Ready
|
---|
1374 | if (iop->cmnd[0] == 0x00)
|
---|
1375 | return true;
|
---|
1376 |
|
---|
1377 | if (iop->cmnd[0] == SAT_ATA_PASSTHROUGH_12 || iop->cmnd[0] == SAT_ATA_PASSTHROUGH_16) {
|
---|
1378 | // Controller does not return ATA output registers in SAT sense data
|
---|
1379 | if (iop->cmnd[2] & (1 << 5)) // chk_cond
|
---|
1380 | return set_err(ENOSYS, "ATA return descriptor not supported by controller firmware");
|
---|
1381 | }
|
---|
1382 | // SMART WRITE LOG SECTOR causing media errors
|
---|
1383 | if ((iop->cmnd[0] == SAT_ATA_PASSTHROUGH_16 // SAT16 WRITE LOG
|
---|
1384 | && iop->cmnd[14] == ATA_SMART_CMD && iop->cmnd[3]==0 && iop->cmnd[4] == ATA_SMART_WRITE_LOG_SECTOR) ||
|
---|
1385 | (iop->cmnd[0] == SAT_ATA_PASSTHROUGH_12 // SAT12 WRITE LOG
|
---|
1386 | && iop->cmnd[9] == ATA_SMART_CMD && iop->cmnd[3] == ATA_SMART_WRITE_LOG_SECTOR))
|
---|
1387 | {
|
---|
1388 | if(!failuretest_permissive)
|
---|
1389 | return set_err(ENOSYS, "SMART WRITE LOG SECTOR may cause problems, try with -T permissive to force");
|
---|
1390 | }
|
---|
1391 | if (pt_cmd == NULL)
|
---|
1392 | return false;
|
---|
1393 | return (this->*pt_cmd)(iop->cmnd_len, iop->cmnd,
|
---|
1394 | iop->dxfer_len, iop->dxferp,
|
---|
1395 | iop->max_sense_len, iop->sensep, report, iop->dxfer_dir);
|
---|
1396 | }
|
---|
1397 |
|
---|
1398 | /* Issue passthrough scsi command to PERC5/6 controllers */
|
---|
1399 | bool linux_megaraid_device::megasas_cmd(int cdbLen, void *cdb,
|
---|
1400 | int dataLen, void *data,
|
---|
1401 | int /*senseLen*/, void * /*sense*/, int /*report*/, int dxfer_dir)
|
---|
1402 | {
|
---|
1403 | struct megasas_pthru_frame *pthru;
|
---|
1404 | struct megasas_iocpacket uio;
|
---|
1405 |
|
---|
1406 | memset(&uio, 0, sizeof(uio));
|
---|
1407 | pthru = &uio.frame.pthru;
|
---|
1408 | pthru->cmd = MFI_CMD_PD_SCSI_IO;
|
---|
1409 | pthru->cmd_status = 0xFF;
|
---|
1410 | pthru->scsi_status = 0x0;
|
---|
1411 | pthru->target_id = m_disknum;
|
---|
1412 | pthru->lun = 0;
|
---|
1413 | pthru->cdb_len = cdbLen;
|
---|
1414 | pthru->timeout = 0;
|
---|
1415 | switch (dxfer_dir) {
|
---|
1416 | case DXFER_NONE:
|
---|
1417 | pthru->flags = MFI_FRAME_DIR_NONE;
|
---|
1418 | break;
|
---|
1419 | case DXFER_FROM_DEVICE:
|
---|
1420 | pthru->flags = MFI_FRAME_DIR_READ;
|
---|
1421 | break;
|
---|
1422 | case DXFER_TO_DEVICE:
|
---|
1423 | pthru->flags = MFI_FRAME_DIR_WRITE;
|
---|
1424 | break;
|
---|
1425 | default:
|
---|
1426 | pout("megasas_cmd: bad dxfer_dir\n");
|
---|
1427 | return set_err(EINVAL, "megasas_cmd: bad dxfer_dir\n");
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 | if (dataLen > 0) {
|
---|
1431 | pthru->sge_count = 1;
|
---|
1432 | pthru->data_xfer_len = dataLen;
|
---|
1433 | pthru->sgl.sge32[0].phys_addr = (intptr_t)data;
|
---|
1434 | pthru->sgl.sge32[0].length = (uint32_t)dataLen;
|
---|
1435 | }
|
---|
1436 | memcpy(pthru->cdb, cdb, cdbLen);
|
---|
1437 |
|
---|
1438 | uio.host_no = m_hba;
|
---|
1439 | if (dataLen > 0) {
|
---|
1440 | uio.sge_count = 1;
|
---|
1441 | uio.sgl_off = offsetof(struct megasas_pthru_frame, sgl);
|
---|
1442 | uio.sgl[0].iov_base = data;
|
---|
1443 | uio.sgl[0].iov_len = dataLen;
|
---|
1444 | }
|
---|
1445 |
|
---|
1446 | errno = 0;
|
---|
1447 | int rc = ioctl(m_fd, MEGASAS_IOC_FIRMWARE, &uio);
|
---|
1448 | if (pthru->cmd_status || rc != 0) {
|
---|
1449 | if (pthru->cmd_status == 12) {
|
---|
1450 | return set_err(EIO, "megasas_cmd: Device %d does not exist\n", m_disknum);
|
---|
1451 | }
|
---|
1452 | return set_err((errno ? errno : EIO), "megasas_cmd result: %d.%d = %d/%d",
|
---|
1453 | m_hba, m_disknum, errno,
|
---|
1454 | pthru->cmd_status);
|
---|
1455 | }
|
---|
1456 | return true;
|
---|
1457 | }
|
---|
1458 |
|
---|
1459 | /* Issue passthrough scsi commands to PERC2/3/4 controllers */
|
---|
1460 | bool linux_megaraid_device::megadev_cmd(int cdbLen, void *cdb,
|
---|
1461 | int dataLen, void *data,
|
---|
1462 | int /*senseLen*/, void * /*sense*/, int /*report*/, int /* dir */)
|
---|
1463 | {
|
---|
1464 | struct uioctl_t uio;
|
---|
1465 | int rc;
|
---|
1466 |
|
---|
1467 | /* Don't issue to the controller */
|
---|
1468 | if (m_disknum == 7)
|
---|
1469 | return false;
|
---|
1470 |
|
---|
1471 | memset(&uio, 0, sizeof(uio));
|
---|
1472 | uio.inlen = dataLen;
|
---|
1473 | uio.outlen = dataLen;
|
---|
1474 |
|
---|
1475 | memset(data, 0, dataLen);
|
---|
1476 | uio.ui.fcs.opcode = 0x80; // M_RD_IOCTL_CMD
|
---|
1477 | uio.ui.fcs.adapno = MKADAP(m_hba);
|
---|
1478 |
|
---|
1479 | uio.data.pointer = (uint8_t *)data;
|
---|
1480 |
|
---|
1481 | uio.mbox.cmd = MEGA_MBOXCMD_PASSTHRU;
|
---|
1482 | uio.mbox.xferaddr = (intptr_t)&uio.pthru;
|
---|
1483 |
|
---|
1484 | uio.pthru.ars = 1;
|
---|
1485 | uio.pthru.timeout = 2;
|
---|
1486 | uio.pthru.channel = 0;
|
---|
1487 | uio.pthru.target = m_disknum;
|
---|
1488 | uio.pthru.cdblen = cdbLen;
|
---|
1489 | uio.pthru.reqsenselen = MAX_REQ_SENSE_LEN;
|
---|
1490 | uio.pthru.dataxferaddr = (intptr_t)data;
|
---|
1491 | uio.pthru.dataxferlen = dataLen;
|
---|
1492 | memcpy(uio.pthru.cdb, cdb, cdbLen);
|
---|
1493 |
|
---|
1494 | rc=ioctl(m_fd, MEGAIOCCMD, &uio);
|
---|
1495 | if (uio.pthru.scsistatus || rc != 0) {
|
---|
1496 | return set_err((errno ? errno : EIO), "megadev_cmd result: %d.%d = %d/%d",
|
---|
1497 | m_hba, m_disknum, errno,
|
---|
1498 | uio.pthru.scsistatus);
|
---|
1499 | }
|
---|
1500 | return true;
|
---|
1501 | }
|
---|
1502 |
|
---|
1503 | /////////////////////////////////////////////////////////////////////////////
|
---|
1504 | /// 3SNIC RAID support
|
---|
1505 |
|
---|
1506 | class linux_sssraid_device
|
---|
1507 | : public /* implements */ scsi_device,
|
---|
1508 | public /* extends */ linux_smart_device
|
---|
1509 | {
|
---|
1510 | public:
|
---|
1511 | linux_sssraid_device(smart_interface *intf, const char *name,
|
---|
1512 | unsigned int eid, unsigned int sid);
|
---|
1513 |
|
---|
1514 | virtual ~linux_sssraid_device();
|
---|
1515 |
|
---|
1516 | virtual smart_device * autodetect_open() override;
|
---|
1517 |
|
---|
1518 | virtual bool open() override;
|
---|
1519 | virtual bool close() override;
|
---|
1520 |
|
---|
1521 | virtual bool scsi_pass_through(scsi_cmnd_io *iop) override;
|
---|
1522 |
|
---|
1523 | private:
|
---|
1524 | unsigned int eid;
|
---|
1525 | unsigned int sid;
|
---|
1526 | unsigned int did;
|
---|
1527 | unsigned int m_hba;
|
---|
1528 | int m_fd;
|
---|
1529 |
|
---|
1530 | bool scsi_cmd(int cdbLen, void *cdb, int dataLen, void *data, int direction);
|
---|
1531 | };
|
---|
1532 |
|
---|
1533 | linux_sssraid_device::linux_sssraid_device(smart_interface *intf,
|
---|
1534 | const char *dev_name, unsigned int eid, unsigned int sid)
|
---|
1535 | : smart_device(intf, dev_name, "sssraid", "sssraid"),
|
---|
1536 | linux_smart_device(O_RDWR | O_NONBLOCK),
|
---|
1537 | eid(eid), sid(sid), m_hba(0),
|
---|
1538 | m_fd(-1)
|
---|
1539 | {
|
---|
1540 | set_info().info_name = strprintf("%s [sssraid_disk_%02d_%02d]", dev_name, eid, sid);
|
---|
1541 | set_info().dev_type = strprintf("sssraid,%d,%d", eid, sid);
|
---|
1542 | }
|
---|
1543 |
|
---|
1544 | linux_sssraid_device::~linux_sssraid_device()
|
---|
1545 | {
|
---|
1546 | if (m_fd >= 0)
|
---|
1547 | ::close(m_fd);
|
---|
1548 | }
|
---|
1549 |
|
---|
1550 | smart_device * linux_sssraid_device::autodetect_open()
|
---|
1551 | {
|
---|
1552 | int report = scsi_debugmode;
|
---|
1553 | // Open device
|
---|
1554 | if (!open())
|
---|
1555 | return this;
|
---|
1556 |
|
---|
1557 | // The code below is based on smartd.cpp:SCSIFilterKnown()
|
---|
1558 | if (strcmp(get_req_type(), "sssraid"))
|
---|
1559 | return this;
|
---|
1560 |
|
---|
1561 | // Get INQUIRY
|
---|
1562 | unsigned char req_buff[64] = {0, };
|
---|
1563 | int req_len = 36;
|
---|
1564 | if (scsiStdInquiry(this, req_buff, req_len)) {
|
---|
1565 | close();
|
---|
1566 | set_err(EIO, "INQUIRY failed");
|
---|
1567 | return this;
|
---|
1568 | }
|
---|
1569 |
|
---|
1570 | int avail_len = req_buff[4] + 5;
|
---|
1571 | int len = (avail_len < req_len ? avail_len : req_len);
|
---|
1572 | if (len < 36)
|
---|
1573 | return this;
|
---|
1574 |
|
---|
1575 | if (report)
|
---|
1576 | pout("Got SSSRAID inquiry.. %s\n", req_buff+8);
|
---|
1577 |
|
---|
1578 | // Use INQUIRY to detect type
|
---|
1579 | {
|
---|
1580 | // SAT?
|
---|
1581 | ata_device * newdev = smi()->autodetect_sat_device(this, req_buff, len);
|
---|
1582 | if (newdev) // NOTE: 'this' is now owned by '*newdev'
|
---|
1583 | return newdev;
|
---|
1584 | }
|
---|
1585 |
|
---|
1586 | // Nothing special found
|
---|
1587 | return this;
|
---|
1588 | }
|
---|
1589 |
|
---|
1590 | bool linux_sssraid_device::open()
|
---|
1591 | {
|
---|
1592 | int report = scsi_debugmode;
|
---|
1593 | if (sscanf(get_dev_name(), "/dev/bsg/sssraid%u", &m_hba) == 0) {
|
---|
1594 | if (!linux_smart_device::open())
|
---|
1595 | return false;
|
---|
1596 | linux_smart_device::close();
|
---|
1597 | }
|
---|
1598 |
|
---|
1599 | /* Open Device IOCTL node */
|
---|
1600 | if ((m_fd = ::open(get_dev_name(), O_RDWR)) < 0) {
|
---|
1601 | int err = errno;
|
---|
1602 | linux_smart_device::close();
|
---|
1603 | return set_err(err, "cannot open %s", get_dev_name());
|
---|
1604 | }
|
---|
1605 | set_fd(m_fd);
|
---|
1606 | return true;
|
---|
1607 | }
|
---|
1608 |
|
---|
1609 | bool linux_sssraid_device::close()
|
---|
1610 | {
|
---|
1611 | if (m_fd >= 0)
|
---|
1612 | ::close(m_fd);
|
---|
1613 | m_fd = -1; m_hba = 0;
|
---|
1614 | set_fd(m_fd);
|
---|
1615 | return true;
|
---|
1616 | }
|
---|
1617 |
|
---|
1618 | bool linux_sssraid_device::scsi_pass_through(scsi_cmnd_io *iop)
|
---|
1619 | {
|
---|
1620 | int report = scsi_debugmode;
|
---|
1621 | if (report > 0) {
|
---|
1622 | int k, j;
|
---|
1623 | const unsigned char * ucp = iop->cmnd;
|
---|
1624 | const char * np;
|
---|
1625 | char buff[256];
|
---|
1626 | const int sz = (int)sizeof(buff);
|
---|
1627 |
|
---|
1628 | np = scsi_get_opcode_name(ucp[0]);
|
---|
1629 | j = snprintf(buff, sz, " [%s: ", np ? np : "<unknown opcode>");
|
---|
1630 | for (k = 0; k < (int)iop->cmnd_len; ++k)
|
---|
1631 | j += snprintf(&buff[j], (sz > j ? (sz - j) : 0), "%02x ", ucp[k]);
|
---|
1632 | if ((report > 1) && (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
|
---|
1633 | int trunc = (iop->dxfer_len > 256) ? 1 : 0;
|
---|
1634 |
|
---|
1635 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n Outgoing "
|
---|
1636 | "data, len=%d%s:\n", (int)iop->dxfer_len,
|
---|
1637 | (trunc ? " [only first 256 bytes shown]" : ""));
|
---|
1638 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1);
|
---|
1639 | }
|
---|
1640 | else
|
---|
1641 | snprintf(&buff[j], (sz > j ? (sz - j) : 0), "]\n");
|
---|
1642 | pout("%s", buff);
|
---|
1643 | }
|
---|
1644 |
|
---|
1645 | bool r = scsi_cmd(iop->cmnd_len, iop->cmnd,
|
---|
1646 | iop->dxfer_len, iop->dxferp, iop->dxfer_dir);
|
---|
1647 | return r;
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | /* Issue passthrough scsi commands to sssraid controllers */
|
---|
1651 | bool linux_sssraid_device::scsi_cmd(int cdbLen, void *cdb,
|
---|
1652 | int dataLen, void *data, int dxfer_dir)
|
---|
1653 | {
|
---|
1654 | struct sg_io_v4 io_hdr_v4 = { 0 };
|
---|
1655 | struct cmd_scsi_passthrough scsi_param = { 0 };
|
---|
1656 | unsigned char sense_buff[96] = { 0 };
|
---|
1657 | struct bsg_ioctl_cmd bsg_param = { 0 };
|
---|
1658 | scsi_param.sense_buffer = sense_buff;
|
---|
1659 | scsi_param.sense_buffer_len = 96;
|
---|
1660 | scsi_param.cdb_len = cdbLen;
|
---|
1661 | memcpy(scsi_param.cdb, cdb, cdbLen);
|
---|
1662 | scsi_param.loc.enc_id = eid;
|
---|
1663 | scsi_param.loc.slot_id = sid;
|
---|
1664 |
|
---|
1665 | io_hdr_v4.guard = 'Q';
|
---|
1666 | io_hdr_v4.protocol = BSG_PROTOCOL_SCSI;
|
---|
1667 | io_hdr_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_TRANSPORT;
|
---|
1668 | io_hdr_v4.response = (uintptr_t)sense_buff;
|
---|
1669 | io_hdr_v4.max_response_len = ADM_SCSI_CDB_SENSE_MAX_LEN;
|
---|
1670 | io_hdr_v4.request_len = sizeof(struct bsg_ioctl_cmd);
|
---|
1671 | io_hdr_v4.request = (uintptr_t)(&bsg_param);
|
---|
1672 | io_hdr_v4.timeout = BSG_APPEND_TIMEOUT_MS;
|
---|
1673 |
|
---|
1674 | switch (dxfer_dir) {
|
---|
1675 | case DXFER_NONE:
|
---|
1676 | case DXFER_FROM_DEVICE:
|
---|
1677 | io_hdr_v4.din_xferp = (uintptr_t)data;
|
---|
1678 | io_hdr_v4.din_xfer_len = dataLen;
|
---|
1679 | bsg_param.ioctl_pthru.opcode = ADM_RAID_READ;
|
---|
1680 | break;
|
---|
1681 | case DXFER_TO_DEVICE:
|
---|
1682 | io_hdr_v4.dout_xferp = (uintptr_t)data;
|
---|
1683 | io_hdr_v4.dout_xfer_len = dataLen;
|
---|
1684 | bsg_param.ioctl_pthru.opcode = ADM_RAID_WRITE;
|
---|
1685 | break;
|
---|
1686 | default:
|
---|
1687 | pout("scsi_cmd: bad dxfer_dir\n");
|
---|
1688 | return set_err(EINVAL, "scsi_cmd: bad dxfer_dir\n");
|
---|
1689 | }
|
---|
1690 |
|
---|
1691 | bsg_param.msgcode = ADM_BSG_MSGCODE_SCSI_PTHRU;
|
---|
1692 | bsg_param.ioctl_pthru.timeout_ms = BSG_APPEND_TIMEOUT_MS;
|
---|
1693 | bsg_param.ioctl_pthru.info_1.subopcode = ADM_CMD_SCSI_PASSTHROUGH;
|
---|
1694 | bsg_param.ioctl_pthru.addr = (uintptr_t)data;
|
---|
1695 | bsg_param.ioctl_pthru.data_len = dataLen;
|
---|
1696 |
|
---|
1697 | bsg_param.ioctl_pthru.info_0.cdb_len = scsi_param.cdb_len;
|
---|
1698 | bsg_param.ioctl_pthru.sense_addr = (uintptr_t)scsi_param.sense_buffer;
|
---|
1699 | bsg_param.ioctl_pthru.info_0.res_sense_len = scsi_param.sense_buffer_len;
|
---|
1700 | io_hdr_v4.response = (uintptr_t)scsi_param.sense_buffer;
|
---|
1701 | io_hdr_v4.response_len = scsi_param.sense_buffer_len;
|
---|
1702 | bsg_param.ioctl_pthru.info_3.eid = scsi_param.loc.enc_id;
|
---|
1703 | bsg_param.ioctl_pthru.info_3.sid = scsi_param.loc.slot_id;
|
---|
1704 | bsg_param.ioctl_pthru.info_4.did = scsi_param.loc.did;
|
---|
1705 | bsg_param.ioctl_pthru.info_4.did_flag = scsi_param.loc.flag;
|
---|
1706 |
|
---|
1707 | memcpy(&bsg_param.ioctl_pthru.cdw16, scsi_param.cdb, scsi_param.cdb_len);
|
---|
1708 |
|
---|
1709 | int r = ioctl(m_fd, SG_IO, &io_hdr_v4);
|
---|
1710 | if (r < 0) {
|
---|
1711 | return (r);
|
---|
1712 | }
|
---|
1713 |
|
---|
1714 | return true;
|
---|
1715 | }
|
---|
1716 |
|
---|
1717 | /////////////////////////////////////////////////////////////////////////////
|
---|
1718 | /// CCISS RAID support
|
---|
1719 |
|
---|
1720 | #ifdef HAVE_LINUX_CCISS_IOCTL_H
|
---|
1721 |
|
---|
1722 | class linux_cciss_device
|
---|
1723 | : public /*implements*/ scsi_device,
|
---|
1724 | public /*extends*/ linux_smart_device
|
---|
1725 | {
|
---|
1726 | public:
|
---|
1727 | linux_cciss_device(smart_interface * intf, const char * name, unsigned char disknum);
|
---|
1728 |
|
---|
1729 | virtual bool scsi_pass_through(scsi_cmnd_io * iop) override;
|
---|
1730 |
|
---|
1731 | private:
|
---|
1732 | unsigned char m_disknum; ///< Disk number.
|
---|
1733 | };
|
---|
1734 |
|
---|
1735 | linux_cciss_device::linux_cciss_device(smart_interface * intf,
|
---|
1736 | const char * dev_name, unsigned char disknum)
|
---|
1737 | : smart_device(intf, dev_name, "cciss", "cciss"),
|
---|
1738 | linux_smart_device(O_RDWR | O_NONBLOCK),
|
---|
1739 | m_disknum(disknum)
|
---|
1740 | {
|
---|
1741 | set_info().info_name = strprintf("%s [cciss_disk_%02d]", dev_name, disknum);
|
---|
1742 | }
|
---|
1743 |
|
---|
1744 | bool linux_cciss_device::scsi_pass_through(scsi_cmnd_io * iop)
|
---|
1745 | {
|
---|
1746 | int status = cciss_io_interface(get_fd(), m_disknum, iop, scsi_debugmode);
|
---|
1747 | if (status < 0)
|
---|
1748 | return set_err(-status);
|
---|
1749 | return true;
|
---|
1750 | }
|
---|
1751 |
|
---|
1752 | #endif // HAVE_LINUX_CCISS_IOCTL_H
|
---|
1753 |
|
---|
1754 | /////////////////////////////////////////////////////////////////////////////
|
---|
1755 | /// AMCC/3ware RAID support
|
---|
1756 |
|
---|
1757 | class linux_escalade_device
|
---|
1758 | : public /*implements*/ ata_device,
|
---|
1759 | public /*extends*/ linux_smart_device
|
---|
1760 | {
|
---|
1761 | public:
|
---|
1762 | enum escalade_type_t {
|
---|
1763 | AMCC_3WARE_678K,
|
---|
1764 | AMCC_3WARE_678K_CHAR,
|
---|
1765 | AMCC_3WARE_9000_CHAR,
|
---|
1766 | AMCC_3WARE_9700_CHAR
|
---|
1767 | };
|
---|
1768 |
|
---|
1769 | linux_escalade_device(smart_interface * intf, const char * dev_name,
|
---|
1770 | escalade_type_t escalade_type, int disknum);
|
---|
1771 |
|
---|
1772 | virtual bool open() override;
|
---|
1773 |
|
---|
1774 | virtual bool ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out) override;
|
---|
1775 |
|
---|
1776 | private:
|
---|
1777 | escalade_type_t m_escalade_type; ///< Controller type
|
---|
1778 | int m_disknum; ///< Disk number.
|
---|
1779 | };
|
---|
1780 |
|
---|
1781 | linux_escalade_device::linux_escalade_device(smart_interface * intf, const char * dev_name,
|
---|
1782 | escalade_type_t escalade_type, int disknum)
|
---|
1783 | : smart_device(intf, dev_name, "3ware", "3ware"),
|
---|
1784 | linux_smart_device(O_RDONLY | O_NONBLOCK),
|
---|
1785 | m_escalade_type(escalade_type), m_disknum(disknum)
|
---|
1786 | {
|
---|
1787 | set_info().info_name = strprintf("%s [3ware_disk_%02d]", dev_name, disknum);
|
---|
1788 | }
|
---|
1789 |
|
---|
1790 | /* This function will setup and fix device nodes for a 3ware controller. */
|
---|
1791 | #define MAJOR_STRING_LENGTH 3
|
---|
1792 | #define DEVICE_STRING_LENGTH 32
|
---|
1793 | #define NODE_STRING_LENGTH 16
|
---|
1794 | static int setup_3ware_nodes(const char *nodename, const char *driver_name)
|
---|
1795 | {
|
---|
1796 | int tw_major = 0;
|
---|
1797 | int index = 0;
|
---|
1798 | char majorstring[MAJOR_STRING_LENGTH+1];
|
---|
1799 | char device_name[DEVICE_STRING_LENGTH+1];
|
---|
1800 | char nodestring[NODE_STRING_LENGTH];
|
---|
1801 | struct stat stat_buf;
|
---|
1802 | FILE *file;
|
---|
1803 | int retval = 0;
|
---|
1804 | #ifdef HAVE_LIBSELINUX
|
---|
1805 | security_context_t orig_context = NULL;
|
---|
1806 | security_context_t node_context = NULL;
|
---|
1807 | int selinux_enabled = is_selinux_enabled();
|
---|
1808 | int selinux_enforced = security_getenforce();
|
---|
1809 | #endif
|
---|
1810 |
|
---|
1811 | /* First try to open up /proc/devices */
|
---|
1812 | if (!(file = fopen("/proc/devices", "r"))) {
|
---|
1813 | pout("Error opening /proc/devices to check/create 3ware device nodes\n");
|
---|
1814 | syserror("fopen");
|
---|
1815 | return 0; // don't fail here: user might not have /proc !
|
---|
1816 | }
|
---|
1817 |
|
---|
1818 | /* Attempt to get device major number */
|
---|
1819 | while (EOF != fscanf(file, "%3s %32s", majorstring, device_name)) {
|
---|
1820 | majorstring[MAJOR_STRING_LENGTH]='\0';
|
---|
1821 | device_name[DEVICE_STRING_LENGTH]='\0';
|
---|
1822 | if (!strncmp(device_name, nodename, DEVICE_STRING_LENGTH)) {
|
---|
1823 | tw_major = atoi(majorstring);
|
---|
1824 | break;
|
---|
1825 | }
|
---|
1826 | }
|
---|
1827 | fclose(file);
|
---|
1828 |
|
---|
1829 | /* See if we found a major device number */
|
---|
1830 | if (!tw_major) {
|
---|
1831 | pout("No major number for /dev/%s listed in /proc/devices. Is the %s driver loaded?\n", nodename, driver_name);
|
---|
1832 | return 2;
|
---|
1833 | }
|
---|
1834 | #ifdef HAVE_LIBSELINUX
|
---|
1835 | /* Prepare a database of contexts for files in /dev
|
---|
1836 | * and save the current context */
|
---|
1837 | if (selinux_enabled) {
|
---|
1838 | if (matchpathcon_init_prefix(NULL, "/dev") < 0)
|
---|
1839 | pout("Error initializing contexts database for /dev");
|
---|
1840 | if (getfscreatecon(&orig_context) < 0) {
|
---|
1841 | pout("Error retrieving original SELinux fscreate context");
|
---|
1842 | if (selinux_enforced) {
|
---|
1843 | matchpathcon_fini();
|
---|
1844 | return 6;
|
---|
1845 | }
|
---|
1846 | }
|
---|
1847 | }
|
---|
1848 | #endif
|
---|
1849 | /* Now check if nodes are correct */
|
---|
1850 | for (index=0; index<16; index++) {
|
---|
1851 | snprintf(nodestring, sizeof(nodestring), "/dev/%s%d", nodename, index);
|
---|
1852 | #ifdef HAVE_LIBSELINUX
|
---|
1853 | /* Get context of the node and set it as the default */
|
---|
1854 | if (selinux_enabled) {
|
---|
1855 | if (matchpathcon(nodestring, S_IRUSR | S_IWUSR, &node_context) < 0) {
|
---|
1856 | pout("Could not retrieve context for %s", nodestring);
|
---|
1857 | if (selinux_enforced) {
|
---|
1858 | retval = 6;
|
---|
1859 | break;
|
---|
1860 | }
|
---|
1861 | }
|
---|
1862 | if (setfscreatecon(node_context) < 0) {
|
---|
1863 | pout ("Error setting default fscreate context");
|
---|
1864 | if (selinux_enforced) {
|
---|
1865 | retval = 6;
|
---|
1866 | break;
|
---|
1867 | }
|
---|
1868 | }
|
---|
1869 | }
|
---|
1870 | #endif
|
---|
1871 | /* Try to stat the node */
|
---|
1872 | if ((stat(nodestring, &stat_buf))) {
|
---|
1873 | pout("Node %s does not exist and must be created. Check the udev rules.\n", nodestring);
|
---|
1874 | /* Create a new node if it doesn't exist */
|
---|
1875 | if (mknod(nodestring, S_IFCHR|0600, makedev(tw_major, index))) {
|
---|
1876 | pout("problem creating 3ware device nodes %s", nodestring);
|
---|
1877 | syserror("mknod");
|
---|
1878 | retval = 3;
|
---|
1879 | break;
|
---|
1880 | } else {
|
---|
1881 | #ifdef HAVE_LIBSELINUX
|
---|
1882 | if (selinux_enabled && node_context) {
|
---|
1883 | freecon(node_context);
|
---|
1884 | node_context = NULL;
|
---|
1885 | }
|
---|
1886 | #endif
|
---|
1887 | continue;
|
---|
1888 | }
|
---|
1889 | }
|
---|
1890 |
|
---|
1891 | /* See if nodes major and minor numbers are correct */
|
---|
1892 | if ((tw_major != (int)(major(stat_buf.st_rdev))) ||
|
---|
1893 | (index != (int)(minor(stat_buf.st_rdev))) ||
|
---|
1894 | (!S_ISCHR(stat_buf.st_mode))) {
|
---|
1895 | pout("Node %s has wrong major/minor number and must be created anew."
|
---|
1896 | " Check the udev rules.\n", nodestring);
|
---|
1897 | /* Delete the old node */
|
---|
1898 | if (unlink(nodestring)) {
|
---|
1899 | pout("problem unlinking stale 3ware device node %s", nodestring);
|
---|
1900 | syserror("unlink");
|
---|
1901 | retval = 4;
|
---|
1902 | break;
|
---|
1903 | }
|
---|
1904 |
|
---|
1905 | /* Make a new node */
|
---|
1906 | if (mknod(nodestring, S_IFCHR|0600, makedev(tw_major, index))) {
|
---|
1907 | pout("problem creating 3ware device nodes %s", nodestring);
|
---|
1908 | syserror("mknod");
|
---|
1909 | retval = 5;
|
---|
1910 | break;
|
---|
1911 | }
|
---|
1912 | }
|
---|
1913 | #ifdef HAVE_LIBSELINUX
|
---|
1914 | if (selinux_enabled && node_context) {
|
---|
1915 | freecon(node_context);
|
---|
1916 | node_context = NULL;
|
---|
1917 | }
|
---|
1918 | #endif
|
---|
1919 | }
|
---|
1920 |
|
---|
1921 | #ifdef HAVE_LIBSELINUX
|
---|
1922 | if (selinux_enabled) {
|
---|
1923 | if(setfscreatecon(orig_context) < 0) {
|
---|
1924 | pout("Error re-setting original fscreate context");
|
---|
1925 | if (selinux_enforced)
|
---|
1926 | retval = 6;
|
---|
1927 | }
|
---|
1928 | if(orig_context)
|
---|
1929 | freecon(orig_context);
|
---|
1930 | if(node_context)
|
---|
1931 | freecon(node_context);
|
---|
1932 | matchpathcon_fini();
|
---|
1933 | }
|
---|
1934 | #endif
|
---|
1935 | return retval;
|
---|
1936 | }
|
---|
1937 |
|
---|
1938 | bool linux_escalade_device::open()
|
---|
1939 | {
|
---|
1940 | if (m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR ||
|
---|
1941 | m_escalade_type == AMCC_3WARE_678K_CHAR) {
|
---|
1942 | // the device nodes for these controllers are dynamically assigned,
|
---|
1943 | // so we need to check that they exist with the correct major
|
---|
1944 | // numbers and if not, create them
|
---|
1945 | const char * node = (m_escalade_type == AMCC_3WARE_9700_CHAR ? "twl" :
|
---|
1946 | m_escalade_type == AMCC_3WARE_9000_CHAR ? "twa" :
|
---|
1947 | "twe" );
|
---|
1948 | const char * driver = (m_escalade_type == AMCC_3WARE_9700_CHAR ? "3w-sas" :
|
---|
1949 | m_escalade_type == AMCC_3WARE_9000_CHAR ? "3w-9xxx" :
|
---|
1950 | "3w-xxxx" );
|
---|
1951 | if (setup_3ware_nodes(node, driver))
|
---|
1952 | return set_err((errno ? errno : ENXIO), "setup_3ware_nodes(\"%s\", \"%s\") failed", node, driver);
|
---|
1953 | }
|
---|
1954 | // Continue with default open
|
---|
1955 | return linux_smart_device::open();
|
---|
1956 | }
|
---|
1957 |
|
---|
1958 | // TODO: Function no longer useful
|
---|
1959 | //void printwarning(smart_command_set command);
|
---|
1960 |
|
---|
1961 | // PURPOSE
|
---|
1962 | // This is an interface routine meant to isolate the OS dependent
|
---|
1963 | // parts of the code, and to provide a debugging interface. Each
|
---|
1964 | // different port and OS needs to provide it's own interface. This
|
---|
1965 | // is the linux interface to the 3ware 3w-xxxx driver. It allows ATA
|
---|
1966 | // commands to be passed through the SCSI driver.
|
---|
1967 | // DETAILED DESCRIPTION OF ARGUMENTS
|
---|
1968 | // fd: is the file descriptor provided by open()
|
---|
1969 | // disknum is the disk number (0 to 15) in the RAID array
|
---|
1970 | // escalade_type indicates the type of controller type, and if scsi or char interface is used
|
---|
1971 | // command: defines the different operations.
|
---|
1972 | // select: additional input data if needed (which log, which type of
|
---|
1973 | // self-test).
|
---|
1974 | // data: location to write output data, if needed (512 bytes).
|
---|
1975 | // Note: not all commands use all arguments.
|
---|
1976 | // RETURN VALUES
|
---|
1977 | // -1 if the command failed
|
---|
1978 | // 0 if the command succeeded,
|
---|
1979 | // STATUS_CHECK routine:
|
---|
1980 | // -1 if the command failed
|
---|
1981 | // 0 if the command succeeded and disk SMART status is "OK"
|
---|
1982 | // 1 if the command succeeded and disk SMART status is "FAILING"
|
---|
1983 |
|
---|
1984 | /* 512 is the max payload size: increase if needed */
|
---|
1985 | #define BUFFER_LEN_678K ( sizeof(TW_Ioctl) ) // 1044 unpacked, 1041 packed
|
---|
1986 | #define BUFFER_LEN_678K_CHAR ( sizeof(TW_New_Ioctl)+512-1 ) // 1539 unpacked, 1536 packed
|
---|
1987 | #define BUFFER_LEN_9000 ( sizeof(TW_Ioctl_Buf_Apache)+512-1 ) // 2051 unpacked, 2048 packed
|
---|
1988 | #define TW_IOCTL_BUFFER_SIZE ( MAX(MAX(BUFFER_LEN_678K, BUFFER_LEN_9000), BUFFER_LEN_678K_CHAR) )
|
---|
1989 |
|
---|
1990 | bool linux_escalade_device::ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out)
|
---|
1991 | {
|
---|
1992 | if (!ata_cmd_is_ok(in,
|
---|
1993 | true, // data_out_support
|
---|
1994 | false, // TODO: multi_sector_support
|
---|
1995 | true) // ata_48bit_support
|
---|
1996 | )
|
---|
1997 | return false;
|
---|
1998 |
|
---|
1999 | // Used by both the SCSI and char interfaces
|
---|
2000 | TW_Passthru *passthru=NULL;
|
---|
2001 | char ioctl_buffer[TW_IOCTL_BUFFER_SIZE];
|
---|
2002 |
|
---|
2003 | // only used for SCSI device interface
|
---|
2004 | TW_Ioctl *tw_ioctl=NULL;
|
---|
2005 | TW_Output *tw_output=NULL;
|
---|
2006 |
|
---|
2007 | // only used for 6000/7000/8000 char device interface
|
---|
2008 | TW_New_Ioctl *tw_ioctl_char=NULL;
|
---|
2009 |
|
---|
2010 | // only used for 9000 character device interface
|
---|
2011 | TW_Ioctl_Buf_Apache *tw_ioctl_apache=NULL;
|
---|
2012 |
|
---|
2013 | memset(ioctl_buffer, 0, TW_IOCTL_BUFFER_SIZE);
|
---|
2014 |
|
---|
2015 | // TODO: Handle controller differences by different classes
|
---|
2016 | if (m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR) {
|
---|
2017 | tw_ioctl_apache = (TW_Ioctl_Buf_Apache *)ioctl_buffer;
|
---|
2018 | tw_ioctl_apache->driver_command.control_code = TW_IOCTL_FIRMWARE_PASS_THROUGH;
|
---|
2019 | tw_ioctl_apache->driver_command.buffer_length = 512; /* payload size */
|
---|
2020 | passthru = (TW_Passthru *)&(tw_ioctl_apache->firmware_command.command.oldcommand);
|
---|
2021 | }
|
---|
2022 | else if (m_escalade_type==AMCC_3WARE_678K_CHAR) {
|
---|
2023 | tw_ioctl_char = (TW_New_Ioctl *)ioctl_buffer;
|
---|
2024 | tw_ioctl_char->data_buffer_length = 512;
|
---|
2025 | passthru = (TW_Passthru *)&(tw_ioctl_char->firmware_command);
|
---|
2026 | }
|
---|
2027 | else if (m_escalade_type==AMCC_3WARE_678K) {
|
---|
2028 | tw_ioctl = (TW_Ioctl *)ioctl_buffer;
|
---|
2029 | tw_ioctl->cdb[0] = TW_IOCTL;
|
---|
2030 | tw_ioctl->opcode = TW_ATA_PASSTHRU;
|
---|
2031 | tw_ioctl->input_length = 512; // correct even for non-data commands
|
---|
2032 | tw_ioctl->output_length = 512; // correct even for non-data commands
|
---|
2033 | tw_output = (TW_Output *)tw_ioctl;
|
---|
2034 | passthru = (TW_Passthru *)&(tw_ioctl->input_data);
|
---|
2035 | }
|
---|
2036 | else {
|
---|
2037 | return set_err(ENOSYS,
|
---|
2038 | "Unrecognized escalade_type %d in linux_3ware_command_interface(disk %d)\n"
|
---|
2039 | "Please contact " PACKAGE_BUGREPORT "\n", (int)m_escalade_type, m_disknum);
|
---|
2040 | }
|
---|
2041 |
|
---|
2042 | // Same for (almost) all commands - but some reset below
|
---|
2043 | passthru->byte0.opcode = TW_OP_ATA_PASSTHRU;
|
---|
2044 | passthru->request_id = 0xFF;
|
---|
2045 | passthru->unit = m_disknum;
|
---|
2046 | passthru->status = 0;
|
---|
2047 | passthru->flags = 0x1;
|
---|
2048 |
|
---|
2049 | // Set registers
|
---|
2050 | {
|
---|
2051 | const ata_in_regs_48bit & r = in.in_regs;
|
---|
2052 | passthru->features = r.features_16;
|
---|
2053 | passthru->sector_count = r.sector_count_16;
|
---|
2054 | passthru->sector_num = r.lba_low_16;
|
---|
2055 | passthru->cylinder_lo = r.lba_mid_16;
|
---|
2056 | passthru->cylinder_hi = r.lba_high_16;
|
---|
2057 | passthru->drive_head = r.device;
|
---|
2058 | passthru->command = r.command;
|
---|
2059 | }
|
---|
2060 |
|
---|
2061 | // Is this a command that reads or returns 512 bytes?
|
---|
2062 | // passthru->param values are:
|
---|
2063 | // 0x0 - non data command without TFR write check,
|
---|
2064 | // 0x8 - non data command with TFR write check,
|
---|
2065 | // 0xD - data command that returns data to host from device
|
---|
2066 | // 0xF - data command that writes data from host to device
|
---|
2067 | // passthru->size values are 0x5 for non-data and 0x07 for data
|
---|
2068 | bool readdata = false;
|
---|
2069 | if (in.direction == ata_cmd_in::data_in) {
|
---|
2070 | readdata=true;
|
---|
2071 | passthru->byte0.sgloff = 0x5;
|
---|
2072 | passthru->size = 0x7; // TODO: Other value for multi-sector ?
|
---|
2073 | passthru->param = 0xD;
|
---|
2074 | // For 64-bit to work correctly, up the size of the command packet
|
---|
2075 | // in dwords by 1 to account for the 64-bit single sgl 'address'
|
---|
2076 | // field. Note that this doesn't agree with the typedefs but it's
|
---|
2077 | // right (agree with kernel driver behavior/typedefs).
|
---|
2078 | if ((m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR)
|
---|
2079 | && sizeof(long) == 8)
|
---|
2080 | passthru->size++;
|
---|
2081 | }
|
---|
2082 | else if (in.direction == ata_cmd_in::no_data) {
|
---|
2083 | // Non data command -- but doesn't use large sector
|
---|
2084 | // count register values.
|
---|
2085 | passthru->byte0.sgloff = 0x0;
|
---|
2086 | passthru->size = 0x5;
|
---|
2087 | passthru->param = 0x8;
|
---|
2088 | passthru->sector_count = 0x0;
|
---|
2089 | }
|
---|
2090 | else if (in.direction == ata_cmd_in::data_out) {
|
---|
2091 | if (m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR)
|
---|
2092 | memcpy(tw_ioctl_apache->data_buffer, in.buffer, in.size);
|
---|
2093 | else if (m_escalade_type == AMCC_3WARE_678K_CHAR)
|
---|
2094 | memcpy(tw_ioctl_char->data_buffer, in.buffer, in.size);
|
---|
2095 | else {
|
---|
2096 | // COMMAND NOT SUPPORTED VIA SCSI IOCTL INTERFACE
|
---|
2097 | // memcpy(tw_output->output_data, data, 512);
|
---|
2098 | // printwarning(command); // TODO: Parameter no longer valid
|
---|
2099 | return set_err(ENOTSUP, "DATA OUT not supported for this 3ware controller type");
|
---|
2100 | }
|
---|
2101 | passthru->byte0.sgloff = 0x5;
|
---|
2102 | passthru->size = 0x7; // TODO: Other value for multi-sector ?
|
---|
2103 | passthru->param = 0xF; // PIO data write
|
---|
2104 | if ((m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR)
|
---|
2105 | && sizeof(long) == 8)
|
---|
2106 | passthru->size++;
|
---|
2107 | }
|
---|
2108 | else
|
---|
2109 | return set_err(EINVAL);
|
---|
2110 |
|
---|
2111 | // Now send the command down through an ioctl()
|
---|
2112 | int ioctlreturn;
|
---|
2113 | if (m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR)
|
---|
2114 | ioctlreturn=ioctl(get_fd(), TW_IOCTL_FIRMWARE_PASS_THROUGH, tw_ioctl_apache);
|
---|
2115 | else if (m_escalade_type==AMCC_3WARE_678K_CHAR)
|
---|
2116 | ioctlreturn=ioctl(get_fd(), TW_CMD_PACKET_WITH_DATA, tw_ioctl_char);
|
---|
2117 | else
|
---|
2118 | ioctlreturn=ioctl(get_fd(), SCSI_IOCTL_SEND_COMMAND, tw_ioctl);
|
---|
2119 |
|
---|
2120 | // Deal with the different error cases
|
---|
2121 | if (ioctlreturn) {
|
---|
2122 | if (AMCC_3WARE_678K==m_escalade_type
|
---|
2123 | && in.in_regs.command==ATA_SMART_CMD
|
---|
2124 | && ( in.in_regs.features == ATA_SMART_AUTO_OFFLINE
|
---|
2125 | || in.in_regs.features == ATA_SMART_AUTOSAVE )
|
---|
2126 | && in.in_regs.lba_low) {
|
---|
2127 | // error here is probably a kernel driver whose version is too old
|
---|
2128 | // printwarning(command); // TODO: Parameter no longer valid
|
---|
2129 | return set_err(ENOTSUP, "Probably kernel driver too old");
|
---|
2130 | }
|
---|
2131 | return set_err(EIO);
|
---|
2132 | }
|
---|
2133 |
|
---|
2134 | // The passthru structure is valid after return from an ioctl if:
|
---|
2135 | // - we are using the character interface OR
|
---|
2136 | // - we are using the SCSI interface and this is a NON-READ-DATA command
|
---|
2137 | // For SCSI interface, note that we set passthru to a different
|
---|
2138 | // value after ioctl().
|
---|
2139 | if (AMCC_3WARE_678K==m_escalade_type) {
|
---|
2140 | if (readdata)
|
---|
2141 | passthru=NULL;
|
---|
2142 | else
|
---|
2143 | passthru=(TW_Passthru *)&(tw_output->output_data);
|
---|
2144 | }
|
---|
2145 |
|
---|
2146 | // See if the ATA command failed. Now that we have returned from
|
---|
2147 | // the ioctl() call, if passthru is valid, then:
|
---|
2148 | // - passthru->status contains the 3ware controller STATUS
|
---|
2149 | // - passthru->command contains the ATA STATUS register
|
---|
2150 | // - passthru->features contains the ATA ERROR register
|
---|
2151 | //
|
---|
2152 | // Check bits 0 (error bit) and 5 (device fault) of the ATA STATUS
|
---|
2153 | // If bit 0 (error bit) is set, then ATA ERROR register is valid.
|
---|
2154 | // While we *might* decode the ATA ERROR register, at the moment it
|
---|
2155 | // doesn't make much sense: we don't care in detail why the error
|
---|
2156 | // happened.
|
---|
2157 |
|
---|
2158 | if (passthru && (passthru->status || (passthru->command & 0x21))) {
|
---|
2159 | return set_err(EIO);
|
---|
2160 | }
|
---|
2161 |
|
---|
2162 | // If this is a read data command, copy data to output buffer
|
---|
2163 | if (readdata) {
|
---|
2164 | if (m_escalade_type == AMCC_3WARE_9700_CHAR || m_escalade_type == AMCC_3WARE_9000_CHAR)
|
---|
2165 | memcpy(in.buffer, tw_ioctl_apache->data_buffer, in.size);
|
---|
2166 | else if (m_escalade_type==AMCC_3WARE_678K_CHAR)
|
---|
2167 | memcpy(in.buffer, tw_ioctl_char->data_buffer, in.size);
|
---|
2168 | else
|
---|
2169 | memcpy(in.buffer, tw_output->output_data, in.size);
|
---|
2170 | }
|
---|
2171 |
|
---|
2172 | // Return register values
|
---|
2173 | if (passthru) {
|
---|
2174 | ata_out_regs_48bit & r = out.out_regs;
|
---|
2175 | r.error = passthru->features;
|
---|
2176 | r.sector_count_16 = passthru->sector_count;
|
---|
2177 | r.lba_low_16 = passthru->sector_num;
|
---|
2178 | r.lba_mid_16 = passthru->cylinder_lo;
|
---|
2179 | r.lba_high_16 = passthru->cylinder_hi;
|
---|
2180 | r.device = passthru->drive_head;
|
---|
2181 | r.status = passthru->command;
|
---|
2182 | }
|
---|
2183 |
|
---|
2184 | // look for nonexistent devices/ports
|
---|
2185 | if ( in.in_regs.command == ATA_IDENTIFY_DEVICE
|
---|
2186 | && !nonempty(in.buffer, in.size)) {
|
---|
2187 | return set_err(ENODEV, "No drive on port %d", m_disknum);
|
---|
2188 | }
|
---|
2189 |
|
---|
2190 | return true;
|
---|
2191 | }
|
---|
2192 |
|
---|
2193 | /////////////////////////////////////////////////////////////////////////////
|
---|
2194 | /// Areca RAID support
|
---|
2195 |
|
---|
2196 | ///////////////////////////////////////////////////////////////////
|
---|
2197 | // SATA(ATA) device behind Areca RAID Controller
|
---|
2198 | class linux_areca_ata_device
|
---|
2199 | : public /*implements*/ areca_ata_device,
|
---|
2200 | public /*extends*/ linux_smart_device
|
---|
2201 | {
|
---|
2202 | public:
|
---|
2203 | linux_areca_ata_device(smart_interface * intf, const char * dev_name, int disknum, int encnum = 1);
|
---|
2204 | virtual smart_device * autodetect_open() override;
|
---|
2205 | virtual bool arcmsr_lock() override;
|
---|
2206 | virtual bool arcmsr_unlock() override;
|
---|
2207 | virtual int arcmsr_do_scsi_io(struct scsi_cmnd_io * iop) override;
|
---|
2208 | };
|
---|
2209 |
|
---|
2210 | ///////////////////////////////////////////////////////////////////
|
---|
2211 | // SAS(SCSI) device behind Areca RAID Controller
|
---|
2212 | class linux_areca_scsi_device
|
---|
2213 | : public /*implements*/ areca_scsi_device,
|
---|
2214 | public /*extends*/ linux_smart_device
|
---|
2215 | {
|
---|
2216 | public:
|
---|
2217 | linux_areca_scsi_device(smart_interface * intf, const char * dev_name, int disknum, int encnum = 1);
|
---|
2218 | virtual smart_device * autodetect_open() override;
|
---|
2219 | virtual bool arcmsr_lock() override;
|
---|
2220 | virtual bool arcmsr_unlock() override;
|
---|
2221 | virtual int arcmsr_do_scsi_io(struct scsi_cmnd_io * iop) override;
|
---|
2222 | };
|
---|
2223 |
|
---|
2224 | // Looks in /proc/scsi to suggest correct areca devices
|
---|
2225 | static int find_areca_in_proc()
|
---|
2226 | {
|
---|
2227 | const char* proc_format_string="host\tchan\tid\tlun\ttype\topens\tqdepth\tbusy\tonline\n";
|
---|
2228 |
|
---|
2229 | // check data formwat
|
---|
2230 | FILE *fp=fopen("/proc/scsi/sg/device_hdr", "r");
|
---|
2231 | if (!fp) {
|
---|
2232 | pout("Unable to open /proc/scsi/sg/device_hdr for reading\n");
|
---|
2233 | return 1;
|
---|
2234 | }
|
---|
2235 |
|
---|
2236 | // get line, compare to format
|
---|
2237 | char linebuf[256];
|
---|
2238 | linebuf[255]='\0';
|
---|
2239 | char *out = fgets(linebuf, 256, fp);
|
---|
2240 | fclose(fp);
|
---|
2241 | if (!out) {
|
---|
2242 | pout("Unable to read contents of /proc/scsi/sg/device_hdr\n");
|
---|
2243 | return 2;
|
---|
2244 | }
|
---|
2245 |
|
---|
2246 | if (strcmp(linebuf, proc_format_string)) {
|
---|
2247 | // wrong format!
|
---|
2248 | // Fix this by comparing only tokens not white space!!
|
---|
2249 | pout("Unexpected format %s in /proc/scsi/sg/device_hdr\n", proc_format_string);
|
---|
2250 | return 3;
|
---|
2251 | }
|
---|
2252 |
|
---|
2253 | // Format is understood, now search for correct device
|
---|
2254 | fp=fopen("/proc/scsi/sg/devices", "r");
|
---|
2255 | if (!fp) return 1;
|
---|
2256 | int host, chan, id, lun, type, opens, qdepth, busy, online;
|
---|
2257 | int dev=-1;
|
---|
2258 | // search all lines of /proc/scsi/sg/devices
|
---|
2259 | while (9 == fscanf(fp, "%d %d %d %d %d %d %d %d %d", &host, &chan, &id, &lun, &type, &opens, &qdepth, &busy, &online)) {
|
---|
2260 | dev++;
|
---|
2261 | if (id == 16 && type == 3) {
|
---|
2262 | // devices with id=16 and type=3 might be Areca controllers
|
---|
2263 | pout("Device /dev/sg%d appears to be an Areca controller.\n", dev);
|
---|
2264 | }
|
---|
2265 | }
|
---|
2266 | fclose(fp);
|
---|
2267 | return 0;
|
---|
2268 | }
|
---|
2269 |
|
---|
2270 | // Areca RAID Controller(SATA Disk)
|
---|
2271 | linux_areca_ata_device::linux_areca_ata_device(smart_interface * intf, const char * dev_name, int disknum, int encnum)
|
---|
2272 | : smart_device(intf, dev_name, "areca", "areca"),
|
---|
2273 | linux_smart_device(O_RDWR | O_EXCL | O_NONBLOCK)
|
---|
2274 | {
|
---|
2275 | set_disknum(disknum);
|
---|
2276 | set_encnum(encnum);
|
---|
2277 | set_info().info_name = strprintf("%s [areca_disk#%02d_enc#%02d]", dev_name, disknum, encnum);
|
---|
2278 | }
|
---|
2279 |
|
---|
2280 | smart_device * linux_areca_ata_device::autodetect_open()
|
---|
2281 | {
|
---|
2282 | // autodetect device type
|
---|
2283 | int is_ata = arcmsr_get_dev_type();
|
---|
2284 | if(is_ata < 0)
|
---|
2285 | {
|
---|
2286 | set_err(EIO);
|
---|
2287 | return this;
|
---|
2288 | }
|
---|
2289 |
|
---|
2290 | if(is_ata == 1)
|
---|
2291 | {
|
---|
2292 | // SATA device
|
---|
2293 | return this;
|
---|
2294 | }
|
---|
2295 |
|
---|
2296 | // SAS device
|
---|
2297 | smart_device_auto_ptr newdev(new linux_areca_scsi_device(smi(), get_dev_name(), get_disknum(), get_encnum()));
|
---|
2298 | close();
|
---|
2299 | delete this;
|
---|
2300 | newdev->open(); // TODO: Can possibly pass open fd
|
---|
2301 |
|
---|
2302 | return newdev.release();
|
---|
2303 | }
|
---|
2304 |
|
---|
2305 | int linux_areca_ata_device::arcmsr_do_scsi_io(struct scsi_cmnd_io * iop)
|
---|
2306 | {
|
---|
2307 | int ioctlreturn = 0;
|
---|
2308 |
|
---|
2309 | if(!is_open()) {
|
---|
2310 | if(!open()){
|
---|
2311 | find_areca_in_proc();
|
---|
2312 | }
|
---|
2313 | }
|
---|
2314 |
|
---|
2315 | ioctlreturn = do_normal_scsi_cmnd_io(get_fd(), iop, scsi_debugmode);
|
---|
2316 | if ( ioctlreturn || iop->scsi_status )
|
---|
2317 | {
|
---|
2318 | // errors found
|
---|
2319 | return -1;
|
---|
2320 | }
|
---|
2321 |
|
---|
2322 | return ioctlreturn;
|
---|
2323 | }
|
---|
2324 |
|
---|
2325 | bool linux_areca_ata_device::arcmsr_lock()
|
---|
2326 | {
|
---|
2327 | return true;
|
---|
2328 | }
|
---|
2329 |
|
---|
2330 | bool linux_areca_ata_device::arcmsr_unlock()
|
---|
2331 | {
|
---|
2332 | return true;
|
---|
2333 | }
|
---|
2334 |
|
---|
2335 | // Areca RAID Controller(SAS Device)
|
---|
2336 | linux_areca_scsi_device::linux_areca_scsi_device(smart_interface * intf, const char * dev_name, int disknum, int encnum)
|
---|
2337 | : smart_device(intf, dev_name, "areca", "areca"),
|
---|
2338 | linux_smart_device(O_RDWR | O_EXCL | O_NONBLOCK)
|
---|
2339 | {
|
---|
2340 | set_disknum(disknum);
|
---|
2341 | set_encnum(encnum);
|
---|
2342 | set_info().info_name = strprintf("%s [areca_disk#%02d_enc#%02d]", dev_name, disknum, encnum);
|
---|
2343 | }
|
---|
2344 |
|
---|
2345 | smart_device * linux_areca_scsi_device::autodetect_open()
|
---|
2346 | {
|
---|
2347 | return this;
|
---|
2348 | }
|
---|
2349 |
|
---|
2350 | int linux_areca_scsi_device::arcmsr_do_scsi_io(struct scsi_cmnd_io * iop)
|
---|
2351 | {
|
---|
2352 | int ioctlreturn = 0;
|
---|
2353 |
|
---|
2354 | if(!is_open()) {
|
---|
2355 | if(!open()){
|
---|
2356 | find_areca_in_proc();
|
---|
2357 | }
|
---|
2358 | }
|
---|
2359 |
|
---|
2360 | ioctlreturn = do_normal_scsi_cmnd_io(get_fd(), iop, scsi_debugmode);
|
---|
2361 | if ( ioctlreturn || iop->scsi_status )
|
---|
2362 | {
|
---|
2363 | // errors found
|
---|
2364 | return -1;
|
---|
2365 | }
|
---|
2366 |
|
---|
2367 | return ioctlreturn;
|
---|
2368 | }
|
---|
2369 |
|
---|
2370 | bool linux_areca_scsi_device::arcmsr_lock()
|
---|
2371 | {
|
---|
2372 | return true;
|
---|
2373 | }
|
---|
2374 |
|
---|
2375 | bool linux_areca_scsi_device::arcmsr_unlock()
|
---|
2376 | {
|
---|
2377 | return true;
|
---|
2378 | }
|
---|
2379 |
|
---|
2380 | /////////////////////////////////////////////////////////////////////////////
|
---|
2381 | /// Marvell support
|
---|
2382 |
|
---|
2383 | class linux_marvell_device
|
---|
2384 | : public /*implements*/ ata_device_with_command_set,
|
---|
2385 | public /*extends*/ linux_smart_device
|
---|
2386 | {
|
---|
2387 | public:
|
---|
2388 | linux_marvell_device(smart_interface * intf, const char * dev_name, const char * req_type);
|
---|
2389 |
|
---|
2390 | protected:
|
---|
2391 | virtual int ata_command_interface(smart_command_set command, int select, char * data);
|
---|
2392 | };
|
---|
2393 |
|
---|
2394 | linux_marvell_device::linux_marvell_device(smart_interface * intf,
|
---|
2395 | const char * dev_name, const char * req_type)
|
---|
2396 | : smart_device(intf, dev_name, "marvell", req_type),
|
---|
2397 | linux_smart_device(O_RDONLY | O_NONBLOCK)
|
---|
2398 | {
|
---|
2399 | }
|
---|
2400 |
|
---|
2401 | int linux_marvell_device::ata_command_interface(smart_command_set command, int select, char * data)
|
---|
2402 | {
|
---|
2403 | typedef struct {
|
---|
2404 | int inlen;
|
---|
2405 | int outlen;
|
---|
2406 | char cmd[540];
|
---|
2407 | } mvsata_scsi_cmd;
|
---|
2408 |
|
---|
2409 | int copydata = 0;
|
---|
2410 | mvsata_scsi_cmd smart_command;
|
---|
2411 | unsigned char *buff = (unsigned char *)&smart_command.cmd[6];
|
---|
2412 | // See struct hd_drive_cmd_hdr in hdreg.h
|
---|
2413 | // buff[0]: ATA COMMAND CODE REGISTER
|
---|
2414 | // buff[1]: ATA SECTOR NUMBER REGISTER
|
---|
2415 | // buff[2]: ATA FEATURES REGISTER
|
---|
2416 | // buff[3]: ATA SECTOR COUNT REGISTER
|
---|
2417 |
|
---|
2418 | // clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
|
---|
2419 | memset(&smart_command, 0, sizeof(smart_command));
|
---|
2420 | smart_command.inlen = 540;
|
---|
2421 | smart_command.outlen = 540;
|
---|
2422 | smart_command.cmd[0] = 0xC; //Vendor-specific code
|
---|
2423 | smart_command.cmd[4] = 6; //command length
|
---|
2424 |
|
---|
2425 | buff[0] = ATA_SMART_CMD;
|
---|
2426 | switch (command){
|
---|
2427 | case CHECK_POWER_MODE:
|
---|
2428 | buff[0]=ATA_CHECK_POWER_MODE;
|
---|
2429 | break;
|
---|
2430 | case READ_VALUES:
|
---|
2431 | buff[2]=ATA_SMART_READ_VALUES;
|
---|
2432 | copydata=buff[3]=1;
|
---|
2433 | break;
|
---|
2434 | case READ_THRESHOLDS:
|
---|
2435 | buff[2]=ATA_SMART_READ_THRESHOLDS;
|
---|
2436 | copydata=buff[1]=buff[3]=1;
|
---|
2437 | break;
|
---|
2438 | case READ_LOG:
|
---|
2439 | buff[2]=ATA_SMART_READ_LOG_SECTOR;
|
---|
2440 | buff[1]=select;
|
---|
2441 | copydata=buff[3]=1;
|
---|
2442 | break;
|
---|
2443 | case IDENTIFY:
|
---|
2444 | buff[0]=ATA_IDENTIFY_DEVICE;
|
---|
2445 | copydata=buff[3]=1;
|
---|
2446 | break;
|
---|
2447 | case PIDENTIFY:
|
---|
2448 | buff[0]=ATA_IDENTIFY_PACKET_DEVICE;
|
---|
2449 | copydata=buff[3]=1;
|
---|
2450 | break;
|
---|
2451 | case ENABLE:
|
---|
2452 | buff[2]=ATA_SMART_ENABLE;
|
---|
2453 | buff[1]=1;
|
---|
2454 | break;
|
---|
2455 | case DISABLE:
|
---|
2456 | buff[2]=ATA_SMART_DISABLE;
|
---|
2457 | buff[1]=1;
|
---|
2458 | break;
|
---|
2459 | case STATUS:
|
---|
2460 | case STATUS_CHECK:
|
---|
2461 | // this command only says if SMART is working. It could be
|
---|
2462 | // replaced with STATUS_CHECK below.
|
---|
2463 | buff[2] = ATA_SMART_STATUS;
|
---|
2464 | break;
|
---|
2465 | case AUTO_OFFLINE:
|
---|
2466 | buff[2]=ATA_SMART_AUTO_OFFLINE;
|
---|
2467 | buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
|
---|
2468 | break;
|
---|
2469 | case AUTOSAVE:
|
---|
2470 | buff[2]=ATA_SMART_AUTOSAVE;
|
---|
2471 | buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
|
---|
2472 | break;
|
---|
2473 | case IMMEDIATE_OFFLINE:
|
---|
2474 | buff[2]=ATA_SMART_IMMEDIATE_OFFLINE;
|
---|
2475 | buff[1]=select;
|
---|
2476 | break;
|
---|
2477 | default:
|
---|
2478 | pout("Unrecognized command %d in mvsata_os_specific_handler()\n", command);
|
---|
2479 | errno = EINVAL;
|
---|
2480 | return -1;
|
---|
2481 | }
|
---|
2482 | // There are two different types of ioctls(). The HDIO_DRIVE_TASK
|
---|
2483 | // one is this:
|
---|
2484 | // We are now doing the HDIO_DRIVE_CMD type ioctl.
|
---|
2485 | if (ioctl(get_fd(), SCSI_IOCTL_SEND_COMMAND, (void *)&smart_command))
|
---|
2486 | return -1;
|
---|
2487 |
|
---|
2488 | if (command==CHECK_POWER_MODE) {
|
---|
2489 | // LEON -- CHECK THIS PLEASE. THIS SHOULD BE THE SECTOR COUNT
|
---|
2490 | // REGISTER, AND IT MIGHT BE buff[2] NOT buff[3]. Bruce
|
---|
2491 | data[0]=buff[3];
|
---|
2492 | return 0;
|
---|
2493 | }
|
---|
2494 |
|
---|
2495 | // Always succeed on a SMART status, as a disk that failed returned
|
---|
2496 | // buff[4]=0xF4, buff[5]=0x2C, i.e. "Bad SMART status" (see below).
|
---|
2497 | if (command == STATUS)
|
---|
2498 | return 0;
|
---|
2499 | //Data returned is starting from 0 offset
|
---|
2500 | if (command == STATUS_CHECK)
|
---|
2501 | {
|
---|
2502 | // Cyl low and Cyl high unchanged means "Good SMART status"
|
---|
2503 | if (buff[4] == 0x4F && buff[5] == 0xC2)
|
---|
2504 | return 0;
|
---|
2505 | // These values mean "Bad SMART status"
|
---|
2506 | if (buff[4] == 0xF4 && buff[5] == 0x2C)
|
---|
2507 | return 1;
|
---|
2508 | // We haven't gotten output that makes sense; print out some debugging info
|
---|
2509 | syserror("Error SMART Status command failed");
|
---|
2510 | pout("Please get assistance from %s\n",PACKAGE_BUGREPORT);
|
---|
2511 | pout("Register values returned from SMART Status command are:\n");
|
---|
2512 | pout("CMD =0x%02x\n",(int)buff[0]);
|
---|
2513 | pout("FR =0x%02x\n",(int)buff[1]);
|
---|
2514 | pout("NS =0x%02x\n",(int)buff[2]);
|
---|
2515 | pout("SC =0x%02x\n",(int)buff[3]);
|
---|
2516 | pout("CL =0x%02x\n",(int)buff[4]);
|
---|
2517 | pout("CH =0x%02x\n",(int)buff[5]);
|
---|
2518 | pout("SEL=0x%02x\n",(int)buff[6]);
|
---|
2519 | return -1;
|
---|
2520 | }
|
---|
2521 |
|
---|
2522 | if (copydata)
|
---|
2523 | memcpy(data, buff, 512);
|
---|
2524 | return 0;
|
---|
2525 | }
|
---|
2526 |
|
---|
2527 | /////////////////////////////////////////////////////////////////////////////
|
---|
2528 | /// Highpoint RAID support
|
---|
2529 |
|
---|
2530 | class linux_highpoint_device
|
---|
2531 | : public /*implements*/ ata_device_with_command_set,
|
---|
2532 | public /*extends*/ linux_smart_device
|
---|
2533 | {
|
---|
2534 | public:
|
---|
2535 | linux_highpoint_device(smart_interface * intf, const char * dev_name,
|
---|
2536 | unsigned char controller, unsigned char channel, unsigned char port);
|
---|
2537 |
|
---|
2538 | protected:
|
---|
2539 | virtual int ata_command_interface(smart_command_set command, int select, char * data);
|
---|
2540 |
|
---|
2541 | private:
|
---|
2542 | unsigned char m_hpt_data[3]; ///< controller/channel/port
|
---|
2543 | };
|
---|
2544 |
|
---|
2545 | linux_highpoint_device::linux_highpoint_device(smart_interface * intf, const char * dev_name,
|
---|
2546 | unsigned char controller, unsigned char channel, unsigned char port)
|
---|
2547 | : smart_device(intf, dev_name, "hpt", "hpt"),
|
---|
2548 | linux_smart_device(O_RDONLY | O_NONBLOCK)
|
---|
2549 | {
|
---|
2550 | m_hpt_data[0] = controller; m_hpt_data[1] = channel; m_hpt_data[2] = port;
|
---|
2551 | set_info().info_name = strprintf("%s [hpt_disk_%u/%u/%u]", dev_name, m_hpt_data[0], m_hpt_data[1], m_hpt_data[2]);
|
---|
2552 | }
|
---|
2553 |
|
---|
2554 | // this implementation is derived from ata_command_interface with a header
|
---|
2555 | // packing for highpoint linux driver ioctl interface
|
---|
2556 | //
|
---|
2557 | // ioctl(fd,HPTIO_CTL,buff)
|
---|
2558 | // ^^^^^^^^^
|
---|
2559 | //
|
---|
2560 | // structure of hpt_buff
|
---|
2561 | // +----+----+----+----+--------------------.....---------------------+
|
---|
2562 | // | 1 | 2 | 3 | 4 | 5 |
|
---|
2563 | // +----+----+----+----+--------------------.....---------------------+
|
---|
2564 | //
|
---|
2565 | // 1: The target controller [ int ( 4 Bytes ) ]
|
---|
2566 | // 2: The channel of the target controllee [ int ( 4 Bytes ) ]
|
---|
2567 | // 3: HDIO_ ioctl call [ int ( 4 Bytes ) ]
|
---|
2568 | // available from ${LINUX_KERNEL_SOURCE}/Documentation/ioctl/hdio
|
---|
2569 | // 4: the pmport that disk attached, [ int ( 4 Bytes ) ]
|
---|
2570 | // if no pmport device, set to 1 or leave blank
|
---|
2571 | // 5: data [ void * ( var leangth ) ]
|
---|
2572 | //
|
---|
2573 | #define STRANGE_BUFFER_LENGTH (4+512*0xf8)
|
---|
2574 |
|
---|
2575 | int linux_highpoint_device::ata_command_interface(smart_command_set command, int select, char * data)
|
---|
2576 | {
|
---|
2577 | unsigned char hpt_buff[4*sizeof(int) + STRANGE_BUFFER_LENGTH];
|
---|
2578 | unsigned int *hpt = (unsigned int *)hpt_buff;
|
---|
2579 | unsigned char *buff = &hpt_buff[4*sizeof(int)];
|
---|
2580 | int copydata = 0;
|
---|
2581 | const int HDIO_DRIVE_CMD_OFFSET = 4;
|
---|
2582 |
|
---|
2583 | memset(hpt_buff, 0, 4*sizeof(int) + STRANGE_BUFFER_LENGTH);
|
---|
2584 | hpt[0] = m_hpt_data[0]; // controller id
|
---|
2585 | hpt[1] = m_hpt_data[1]; // channel number
|
---|
2586 | hpt[3] = m_hpt_data[2]; // pmport number
|
---|
2587 |
|
---|
2588 | buff[0]=ATA_SMART_CMD;
|
---|
2589 | switch (command){
|
---|
2590 | case CHECK_POWER_MODE:
|
---|
2591 | buff[0]=ATA_CHECK_POWER_MODE;
|
---|
2592 | copydata=1;
|
---|
2593 | break;
|
---|
2594 | case READ_VALUES:
|
---|
2595 | buff[2]=ATA_SMART_READ_VALUES;
|
---|
2596 | buff[3]=1;
|
---|
2597 | copydata=512;
|
---|
2598 | break;
|
---|
2599 | case READ_THRESHOLDS:
|
---|
2600 | buff[2]=ATA_SMART_READ_THRESHOLDS;
|
---|
2601 | buff[1]=buff[3]=1;
|
---|
2602 | copydata=512;
|
---|
2603 | break;
|
---|
2604 | case READ_LOG:
|
---|
2605 | buff[2]=ATA_SMART_READ_LOG_SECTOR;
|
---|
2606 | buff[1]=select;
|
---|
2607 | buff[3]=1;
|
---|
2608 | copydata=512;
|
---|
2609 | break;
|
---|
2610 | case WRITE_LOG:
|
---|
2611 | break;
|
---|
2612 | case IDENTIFY:
|
---|
2613 | buff[0]=ATA_IDENTIFY_DEVICE;
|
---|
2614 | buff[3]=1;
|
---|
2615 | copydata=512;
|
---|
2616 | break;
|
---|
2617 | case PIDENTIFY:
|
---|
2618 | buff[0]=ATA_IDENTIFY_PACKET_DEVICE;
|
---|
2619 | buff[3]=1;
|
---|
2620 | copydata=512;
|
---|
2621 | break;
|
---|
2622 | case ENABLE:
|
---|
2623 | buff[2]=ATA_SMART_ENABLE;
|
---|
2624 | buff[1]=1;
|
---|
2625 | break;
|
---|
2626 | case DISABLE:
|
---|
2627 | buff[2]=ATA_SMART_DISABLE;
|
---|
2628 | buff[1]=1;
|
---|
2629 | break;
|
---|
2630 | case STATUS:
|
---|
2631 | buff[2]=ATA_SMART_STATUS;
|
---|
2632 | break;
|
---|
2633 | case AUTO_OFFLINE:
|
---|
2634 | buff[2]=ATA_SMART_AUTO_OFFLINE;
|
---|
2635 | buff[3]=select;
|
---|
2636 | break;
|
---|
2637 | case AUTOSAVE:
|
---|
2638 | buff[2]=ATA_SMART_AUTOSAVE;
|
---|
2639 | buff[3]=select;
|
---|
2640 | break;
|
---|
2641 | case IMMEDIATE_OFFLINE:
|
---|
2642 | buff[2]=ATA_SMART_IMMEDIATE_OFFLINE;
|
---|
2643 | buff[1]=select;
|
---|
2644 | break;
|
---|
2645 | case STATUS_CHECK:
|
---|
2646 | buff[1]=ATA_SMART_STATUS;
|
---|
2647 | break;
|
---|
2648 | default:
|
---|
2649 | pout("Unrecognized command %d in linux_highpoint_command_interface()\n"
|
---|
2650 | "Please contact " PACKAGE_BUGREPORT "\n", command);
|
---|
2651 | errno=ENOSYS;
|
---|
2652 | return -1;
|
---|
2653 | }
|
---|
2654 |
|
---|
2655 | if (command==WRITE_LOG) {
|
---|
2656 | unsigned char task[4*sizeof(int)+sizeof(ide_task_request_t)+512];
|
---|
2657 | unsigned int *hpt_tf = (unsigned int *)task;
|
---|
2658 | ide_task_request_t *reqtask = (ide_task_request_t *)(&task[4*sizeof(int)]);
|
---|
2659 | task_struct_t *taskfile = (task_struct_t *)reqtask->io_ports;
|
---|
2660 |
|
---|
2661 | memset(task, 0, sizeof(task));
|
---|
2662 |
|
---|
2663 | hpt_tf[0] = m_hpt_data[0]; // controller id
|
---|
2664 | hpt_tf[1] = m_hpt_data[1]; // channel number
|
---|
2665 | hpt_tf[3] = m_hpt_data[2]; // pmport number
|
---|
2666 | hpt_tf[2] = HDIO_DRIVE_TASKFILE; // real hd ioctl
|
---|
2667 |
|
---|
2668 | taskfile->data = 0;
|
---|
2669 | taskfile->feature = ATA_SMART_WRITE_LOG_SECTOR;
|
---|
2670 | taskfile->sector_count = 1;
|
---|
2671 | taskfile->sector_number = select;
|
---|
2672 | taskfile->low_cylinder = 0x4f;
|
---|
2673 | taskfile->high_cylinder = 0xc2;
|
---|
2674 | taskfile->device_head = 0;
|
---|
2675 | taskfile->command = ATA_SMART_CMD;
|
---|
2676 |
|
---|
2677 | reqtask->data_phase = TASKFILE_OUT;
|
---|
2678 | reqtask->req_cmd = IDE_DRIVE_TASK_OUT;
|
---|
2679 | reqtask->out_size = 512;
|
---|
2680 | reqtask->in_size = 0;
|
---|
2681 |
|
---|
2682 | memcpy(task+sizeof(ide_task_request_t)+4*sizeof(int), data, 512);
|
---|
2683 |
|
---|
2684 | if (ioctl(get_fd(), HPTIO_CTL, task))
|
---|
2685 | return -1;
|
---|
2686 |
|
---|
2687 | return 0;
|
---|
2688 | }
|
---|
2689 |
|
---|
2690 | if (command==STATUS_CHECK){
|
---|
2691 | unsigned const char normal_lo=0x4f, normal_hi=0xc2;
|
---|
2692 | unsigned const char failed_lo=0xf4, failed_hi=0x2c;
|
---|
2693 | buff[4]=normal_lo;
|
---|
2694 | buff[5]=normal_hi;
|
---|
2695 |
|
---|
2696 | hpt[2] = HDIO_DRIVE_TASK;
|
---|
2697 |
|
---|
2698 | if (ioctl(get_fd(), HPTIO_CTL, hpt_buff))
|
---|
2699 | return -1;
|
---|
2700 |
|
---|
2701 | if (buff[4]==normal_lo && buff[5]==normal_hi)
|
---|
2702 | return 0;
|
---|
2703 |
|
---|
2704 | if (buff[4]==failed_lo && buff[5]==failed_hi)
|
---|
2705 | return 1;
|
---|
2706 |
|
---|
2707 | syserror("Error SMART Status command failed");
|
---|
2708 | pout("Please get assistance from " PACKAGE_HOMEPAGE "\n");
|
---|
2709 | pout("Register values returned from SMART Status command are:\n");
|
---|
2710 | pout("CMD=0x%02x\n",(int)buff[0]);
|
---|
2711 | pout("FR =0x%02x\n",(int)buff[1]);
|
---|
2712 | pout("NS =0x%02x\n",(int)buff[2]);
|
---|
2713 | pout("SC =0x%02x\n",(int)buff[3]);
|
---|
2714 | pout("CL =0x%02x\n",(int)buff[4]);
|
---|
2715 | pout("CH =0x%02x\n",(int)buff[5]);
|
---|
2716 | pout("SEL=0x%02x\n",(int)buff[6]);
|
---|
2717 | return -1;
|
---|
2718 | }
|
---|
2719 |
|
---|
2720 | #if 1
|
---|
2721 | if (command==IDENTIFY || command==PIDENTIFY) {
|
---|
2722 | unsigned char deviceid[4*sizeof(int)+512*sizeof(char)];
|
---|
2723 | unsigned int *hpt_id = (unsigned int *)deviceid;
|
---|
2724 |
|
---|
2725 | hpt_id[0] = m_hpt_data[0]; // controller id
|
---|
2726 | hpt_id[1] = m_hpt_data[1]; // channel number
|
---|
2727 | hpt_id[3] = m_hpt_data[2]; // pmport number
|
---|
2728 |
|
---|
2729 | hpt_id[2] = HDIO_GET_IDENTITY;
|
---|
2730 | if (!ioctl(get_fd(), HPTIO_CTL, deviceid) && (deviceid[4*sizeof(int)] & 0x8000))
|
---|
2731 | buff[0]=(command==IDENTIFY)?ATA_IDENTIFY_PACKET_DEVICE:ATA_IDENTIFY_DEVICE;
|
---|
2732 | }
|
---|
2733 | #endif
|
---|
2734 |
|
---|
2735 | hpt[2] = HDIO_DRIVE_CMD;
|
---|
2736 | if ((ioctl(get_fd(), HPTIO_CTL, hpt_buff)))
|
---|
2737 | return -1;
|
---|
2738 |
|
---|
2739 | if (command==CHECK_POWER_MODE)
|
---|
2740 | buff[HDIO_DRIVE_CMD_OFFSET]=buff[2];
|
---|
2741 |
|
---|
2742 | if (copydata)
|
---|
2743 | memcpy(data, buff+HDIO_DRIVE_CMD_OFFSET, copydata);
|
---|
2744 |
|
---|
2745 | return 0;
|
---|
2746 | }
|
---|
2747 |
|
---|
2748 | #if 0 // TODO: Migrate from 'smart_command_set' to 'ata_in_regs' OR remove the function
|
---|
2749 | // Utility function for printing warnings
|
---|
2750 | void printwarning(smart_command_set command){
|
---|
2751 | static int printed[4]={0,0,0,0};
|
---|
2752 | const char* message=
|
---|
2753 | "can not be passed through the 3ware 3w-xxxx driver. This can be fixed by\n"
|
---|
2754 | "applying a simple 3w-xxxx driver patch that can be found here:\n"
|
---|
2755 | PACKAGE_HOMEPAGE "\n"
|
---|
2756 | "Alternatively, upgrade your 3w-xxxx driver to version 1.02.00.037 or greater.\n\n";
|
---|
2757 |
|
---|
2758 | if (command==AUTO_OFFLINE && !printed[0]) {
|
---|
2759 | printed[0]=1;
|
---|
2760 | pout("The SMART AUTO-OFFLINE ENABLE command (smartmontools -o on option/Directive)\n%s", message);
|
---|
2761 | }
|
---|
2762 | else if (command==AUTOSAVE && !printed[1]) {
|
---|
2763 | printed[1]=1;
|
---|
2764 | pout("The SMART AUTOSAVE ENABLE command (smartmontools -S on option/Directive)\n%s", message);
|
---|
2765 | }
|
---|
2766 | else if (command==STATUS_CHECK && !printed[2]) {
|
---|
2767 | printed[2]=1;
|
---|
2768 | pout("The SMART RETURN STATUS return value (smartmontools -H option/Directive)\n%s", message);
|
---|
2769 | }
|
---|
2770 | else if (command==WRITE_LOG && !printed[3]) {
|
---|
2771 | printed[3]=1;
|
---|
2772 | pout("The SMART WRITE LOG command (smartmontools -t selective) only supported via char /dev/tw[ae] interface\n");
|
---|
2773 | }
|
---|
2774 |
|
---|
2775 | return;
|
---|
2776 | }
|
---|
2777 | #endif
|
---|
2778 |
|
---|
2779 | /////////////////////////////////////////////////////////////////////////////
|
---|
2780 | /// SCSI open with autodetection support
|
---|
2781 |
|
---|
2782 | smart_device * linux_scsi_device::autodetect_open()
|
---|
2783 | {
|
---|
2784 | // Open device
|
---|
2785 | if (!open())
|
---|
2786 | return this;
|
---|
2787 |
|
---|
2788 | // No Autodetection if device type was specified by user
|
---|
2789 | bool sat_only = false;
|
---|
2790 | if (*get_req_type()) {
|
---|
2791 | // Detect SAT if device object was created by scan_smart_devices().
|
---|
2792 | if (!(m_scanning && !strcmp(get_req_type(), "sat")))
|
---|
2793 | return this;
|
---|
2794 | sat_only = true;
|
---|
2795 | }
|
---|
2796 |
|
---|
2797 | // The code below is based on smartd.cpp:SCSIFilterKnown()
|
---|
2798 |
|
---|
2799 | // Get INQUIRY
|
---|
2800 | unsigned char req_buff[64] = {0, };
|
---|
2801 | int req_len = 36;
|
---|
2802 | if (scsiStdInquiry(this, req_buff, req_len)) {
|
---|
2803 | // Marvell controllers fail on a 36 bytes StdInquiry, but 64 suffices
|
---|
2804 | // watch this spot ... other devices could lock up here
|
---|
2805 | req_len = 64;
|
---|
2806 | if (scsiStdInquiry(this, req_buff, req_len)) {
|
---|
2807 | // device doesn't like INQUIRY commands
|
---|
2808 | close();
|
---|
2809 | set_err(EIO, "INQUIRY failed");
|
---|
2810 | return this;
|
---|
2811 | }
|
---|
2812 | }
|
---|
2813 |
|
---|
2814 | int avail_len = req_buff[4] + 5;
|
---|
2815 | int len = (avail_len < req_len ? avail_len : req_len);
|
---|
2816 | if (len < 36) {
|
---|
2817 | if (sat_only) {
|
---|
2818 | close();
|
---|
2819 | set_err(EIO, "INQUIRY too short for SAT");
|
---|
2820 | }
|
---|
2821 | return this;
|
---|
2822 | }
|
---|
2823 |
|
---|
2824 | // Use INQUIRY to detect type
|
---|
2825 | if (!sat_only) {
|
---|
2826 |
|
---|
2827 | // 3ware ?
|
---|
2828 | if (!memcmp(req_buff + 8, "3ware", 5) || !memcmp(req_buff + 8, "AMCC", 4)) {
|
---|
2829 | close();
|
---|
2830 | set_err(EINVAL, "AMCC/3ware controller, please try adding '-d 3ware,N',\n"
|
---|
2831 | "you may need to replace %s with /dev/twlN, /dev/twaN or /dev/tweN", get_dev_name());
|
---|
2832 | return this;
|
---|
2833 | }
|
---|
2834 |
|
---|
2835 | // DELL?
|
---|
2836 | if (!memcmp(req_buff + 8, "DELL PERC", 12) || !memcmp(req_buff + 8, "MegaRAID", 8)
|
---|
2837 | || !memcmp(req_buff + 16, "PERC ", 5) || !memcmp(req_buff + 8, "LSI\0",4)
|
---|
2838 | ) {
|
---|
2839 | close();
|
---|
2840 | set_err(EINVAL, "DELL or MegaRaid controller, please try adding '-d megaraid,N'");
|
---|
2841 | return this;
|
---|
2842 | }
|
---|
2843 |
|
---|
2844 | // Marvell ?
|
---|
2845 | if (len >= 42 && !memcmp(req_buff + 36, "MVSATA", 6)) {
|
---|
2846 | //pout("Device %s: using '-d marvell' for ATA disk with Marvell driver\n", get_dev_name());
|
---|
2847 | close();
|
---|
2848 | smart_device_auto_ptr newdev(
|
---|
2849 | new linux_marvell_device(smi(), get_dev_name(), get_req_type())
|
---|
2850 | );
|
---|
2851 | newdev->open(); // TODO: Can possibly pass open fd
|
---|
2852 | delete this;
|
---|
2853 | return newdev.release();
|
---|
2854 | }
|
---|
2855 | }
|
---|
2856 |
|
---|
2857 | // SAT or USB ?
|
---|
2858 | {
|
---|
2859 | smart_device * newdev = smi()->autodetect_sat_device(this, req_buff, len);
|
---|
2860 | if (newdev)
|
---|
2861 | // NOTE: 'this' is now owned by '*newdev'
|
---|
2862 | return newdev;
|
---|
2863 | }
|
---|
2864 |
|
---|
2865 | // Nothing special found
|
---|
2866 |
|
---|
2867 | if (sat_only) {
|
---|
2868 | close();
|
---|
2869 | set_err(EIO, "Not a SAT device");
|
---|
2870 | }
|
---|
2871 | return this;
|
---|
2872 | }
|
---|
2873 |
|
---|
2874 | /////////////////////////////////////////////////////////////////////////////
|
---|
2875 | /// NVMe support
|
---|
2876 |
|
---|
2877 | class linux_nvme_device
|
---|
2878 | : public /*implements*/ nvme_device,
|
---|
2879 | public /*extends*/ linux_smart_device
|
---|
2880 | {
|
---|
2881 | public:
|
---|
2882 | linux_nvme_device(smart_interface * intf, const char * dev_name,
|
---|
2883 | const char * req_type, unsigned nsid);
|
---|
2884 |
|
---|
2885 | virtual bool open() override;
|
---|
2886 |
|
---|
2887 | virtual bool nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out) override;
|
---|
2888 | };
|
---|
2889 |
|
---|
2890 | linux_nvme_device::linux_nvme_device(smart_interface * intf, const char * dev_name,
|
---|
2891 | const char * req_type, unsigned nsid)
|
---|
2892 | : smart_device(intf, dev_name, "nvme", req_type),
|
---|
2893 | nvme_device(nsid),
|
---|
2894 | linux_smart_device(O_RDONLY | O_NONBLOCK)
|
---|
2895 | {
|
---|
2896 | }
|
---|
2897 |
|
---|
2898 | bool linux_nvme_device::open()
|
---|
2899 | {
|
---|
2900 | if (!linux_smart_device::open())
|
---|
2901 | return false;
|
---|
2902 |
|
---|
2903 | if (!get_nsid()) {
|
---|
2904 | // Use actual NSID (/dev/nvmeXnN) if available,
|
---|
2905 | // else use broadcast namespace (/dev/nvmeX)
|
---|
2906 | int nsid = ioctl(get_fd(), NVME_IOCTL_ID, (void*)0);
|
---|
2907 | set_nsid(nsid);
|
---|
2908 | }
|
---|
2909 |
|
---|
2910 | return true;
|
---|
2911 | }
|
---|
2912 |
|
---|
2913 | bool linux_nvme_device::nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out)
|
---|
2914 | {
|
---|
2915 | nvme_passthru_cmd pt;
|
---|
2916 | memset(&pt, 0, sizeof(pt));
|
---|
2917 |
|
---|
2918 | pt.opcode = in.opcode;
|
---|
2919 | pt.nsid = in.nsid;
|
---|
2920 | pt.addr = (uint64_t)in.buffer;
|
---|
2921 | pt.data_len = in.size;
|
---|
2922 | pt.cdw10 = in.cdw10;
|
---|
2923 | pt.cdw11 = in.cdw11;
|
---|
2924 | pt.cdw12 = in.cdw12;
|
---|
2925 | pt.cdw13 = in.cdw13;
|
---|
2926 | pt.cdw14 = in.cdw14;
|
---|
2927 | pt.cdw15 = in.cdw15;
|
---|
2928 | // Kernel default for NVMe admin commands is 60 seconds
|
---|
2929 | // pt.timeout_ms = 60 * 1000;
|
---|
2930 |
|
---|
2931 | int status = ioctl(get_fd(), NVME_IOCTL_ADMIN_CMD, &pt);
|
---|
2932 |
|
---|
2933 | if (status < 0)
|
---|
2934 | return set_err(errno, "NVME_IOCTL_ADMIN_CMD: %s", strerror(errno));
|
---|
2935 |
|
---|
2936 | if (status > 0)
|
---|
2937 | return set_nvme_err(out, status);
|
---|
2938 |
|
---|
2939 | out.result = pt.result;
|
---|
2940 | return true;
|
---|
2941 | }
|
---|
2942 |
|
---|
2943 |
|
---|
2944 | //////////////////////////////////////////////////////////////////////
|
---|
2945 | // USB bridge ID detection
|
---|
2946 |
|
---|
2947 | // Read USB ID from /sys file
|
---|
2948 | static bool read_id(const std::string & path, unsigned short & id)
|
---|
2949 | {
|
---|
2950 | FILE * f = fopen(path.c_str(), "r");
|
---|
2951 | if (!f)
|
---|
2952 | return false;
|
---|
2953 | int n = -1;
|
---|
2954 | bool ok = (fscanf(f, "%hx%n", &id, &n) == 1 && n == 4);
|
---|
2955 | fclose(f);
|
---|
2956 | return ok;
|
---|
2957 | }
|
---|
2958 |
|
---|
2959 | // Get USB bridge ID for "sdX" or "sgN"
|
---|
2960 | static bool get_usb_id(const char * name, unsigned short & vendor_id,
|
---|
2961 | unsigned short & product_id, unsigned short & version)
|
---|
2962 | {
|
---|
2963 | // Only "sdX" or "sgN" supported
|
---|
2964 | if (!(name[0] == 's' && (name[1] == 'd' || name[1] == 'g') && !strchr(name, '/')))
|
---|
2965 | return false;
|
---|
2966 |
|
---|
2967 | // Start search at dir referenced by symlink
|
---|
2968 | // "/sys/block/sdX/device" or
|
---|
2969 | // "/sys/class/scsi_generic/sgN"
|
---|
2970 | // -> "/sys/devices/.../usb*/.../host*/target*/..."
|
---|
2971 | std::string dir = strprintf("/sys/%s/%s%s",
|
---|
2972 | (name[1] == 'd' ? "block" : "class/scsi_generic"), name,
|
---|
2973 | (name[1] == 'd' ? "/device" : ""));
|
---|
2974 |
|
---|
2975 | // Stop search at "/sys/devices"
|
---|
2976 | struct stat st;
|
---|
2977 | if (stat("/sys/devices", &st))
|
---|
2978 | return false;
|
---|
2979 | ino_t stop_ino = st.st_ino;
|
---|
2980 |
|
---|
2981 | // Search in parent directories until "idVendor" is found,
|
---|
2982 | // fail if "/sys/devices" reached or too many iterations
|
---|
2983 | int cnt = 0;
|
---|
2984 | do {
|
---|
2985 | dir += "/..";
|
---|
2986 | if (!(++cnt < 10 && !stat(dir.c_str(), &st) && st.st_ino != stop_ino))
|
---|
2987 | return false;
|
---|
2988 | } while (access((dir + "/idVendor").c_str(), 0));
|
---|
2989 |
|
---|
2990 | if (scsi_debugmode > 1) {
|
---|
2991 | pout("Found idVendor in: %s\n", dir.c_str());
|
---|
2992 | char * p = realpath(dir.c_str(), (char *)0);
|
---|
2993 | if (p) {
|
---|
2994 | pout(" realpath: %s\n", p);
|
---|
2995 | free(p);
|
---|
2996 | }
|
---|
2997 | }
|
---|
2998 |
|
---|
2999 | // Read IDs
|
---|
3000 | if (!( read_id(dir + "/idVendor", vendor_id)
|
---|
3001 | && read_id(dir + "/idProduct", product_id)
|
---|
3002 | && read_id(dir + "/bcdDevice", version) ))
|
---|
3003 | return false;
|
---|
3004 |
|
---|
3005 | if (scsi_debugmode > 1)
|
---|
3006 | pout("USB ID = 0x%04x:0x%04x (0x%03x)\n", vendor_id, product_id, version);
|
---|
3007 | return true;
|
---|
3008 | }
|
---|
3009 |
|
---|
3010 | //////////////////////////////////////////////////////////////////////
|
---|
3011 | /// Linux interface
|
---|
3012 |
|
---|
3013 | class linux_smart_interface
|
---|
3014 | : public /*implements*/ smart_interface
|
---|
3015 | {
|
---|
3016 | public:
|
---|
3017 | virtual std::string get_os_version_str() override;
|
---|
3018 |
|
---|
3019 | virtual std::string get_app_examples(const char * appname) override;
|
---|
3020 |
|
---|
3021 | virtual bool scan_smart_devices(smart_device_list & devlist,
|
---|
3022 | const smart_devtype_list & types, const char * pattern = 0) override;
|
---|
3023 |
|
---|
3024 | protected:
|
---|
3025 | virtual ata_device * get_ata_device(const char * name, const char * type) override;
|
---|
3026 |
|
---|
3027 | virtual scsi_device * get_scsi_device(const char * name, const char * type) override;
|
---|
3028 |
|
---|
3029 | virtual nvme_device * get_nvme_device(const char * name, const char * type,
|
---|
3030 | unsigned nsid) override;
|
---|
3031 |
|
---|
3032 | virtual smart_device * autodetect_smart_device(const char * name) override;
|
---|
3033 |
|
---|
3034 | virtual smart_device * get_custom_smart_device(const char * name, const char * type) override;
|
---|
3035 |
|
---|
3036 | virtual std::string get_valid_custom_dev_types_str() override;
|
---|
3037 |
|
---|
3038 | private:
|
---|
3039 | static constexpr int devxy_to_n_max = 701; // "/dev/sdzz"
|
---|
3040 | static int devxy_to_n(const char * name, bool debug);
|
---|
3041 |
|
---|
3042 | void get_dev_list(smart_device_list & devlist, const char * pattern,
|
---|
3043 | bool scan_scsi, bool (* p_dev_sdxy_seen)[devxy_to_n_max+1],
|
---|
3044 | bool scan_nvme, const char * req_type, bool autodetect);
|
---|
3045 |
|
---|
3046 | bool get_dev_megasas(smart_device_list & devlist);
|
---|
3047 | smart_device * missing_option(const char * opt);
|
---|
3048 | int megasas_dcmd_cmd(int bus_no, uint32_t opcode, void *buf,
|
---|
3049 | size_t bufsize, uint8_t *mbox, size_t mboxlen, uint8_t *statusp);
|
---|
3050 | int megasas_pd_add_list(int bus_no, smart_device_list & devlist);
|
---|
3051 | bool get_dev_sssraid(smart_device_list & devlist);
|
---|
3052 | int sssraid_pd_add_list(int bus_no, smart_device_list & devlist);
|
---|
3053 | int sssraid_pdlist_cmd(int bus_no, uint32_t start_idx, void *buf, size_t bufsize, uint8_t *statusp);
|
---|
3054 | };
|
---|
3055 |
|
---|
3056 | std::string linux_smart_interface::get_os_version_str()
|
---|
3057 | {
|
---|
3058 | struct utsname u;
|
---|
3059 | if (!uname(&u))
|
---|
3060 | return strprintf("%s-linux-%s", u.machine, u.release);
|
---|
3061 | else
|
---|
3062 | return SMARTMONTOOLS_BUILD_HOST;
|
---|
3063 | }
|
---|
3064 |
|
---|
3065 | std::string linux_smart_interface::get_app_examples(const char * appname)
|
---|
3066 | {
|
---|
3067 | if (!strcmp(appname, "smartctl"))
|
---|
3068 | return smartctl_examples;
|
---|
3069 | return "";
|
---|
3070 | }
|
---|
3071 |
|
---|
3072 | // "/dev/sdXY" -> 0-devxy_to_n_max
|
---|
3073 | // "/dev/disk/by-id/NAME" -> "../../sdXY" -> 0-devxy_to_n_max
|
---|
3074 | // Other -> -1
|
---|
3075 | int linux_smart_interface::devxy_to_n(const char * name, bool debug)
|
---|
3076 | {
|
---|
3077 | const char * xy;
|
---|
3078 | char dest[256];
|
---|
3079 | if (str_starts_with(name, "/dev/sd")) {
|
---|
3080 | // Assume "/dev/sdXY"
|
---|
3081 | xy = name + sizeof("/dev/sd") - 1;
|
---|
3082 | }
|
---|
3083 | else {
|
---|
3084 | // Assume "/dev/disk/by-id/NAME", check link target
|
---|
3085 | int sz = readlink(name, dest, sizeof(dest)-1);
|
---|
3086 | if (!(0 < sz && sz < (int)sizeof(dest)))
|
---|
3087 | return -1;
|
---|
3088 | dest[sz] = 0;
|
---|
3089 | if (!str_starts_with(dest, "../../sd"))
|
---|
3090 | return -1;
|
---|
3091 | if (debug)
|
---|
3092 | pout("%s -> %s\n", name, dest);
|
---|
3093 | xy = dest + sizeof("../../sd") - 1;
|
---|
3094 | }
|
---|
3095 |
|
---|
3096 | char x = xy[0];
|
---|
3097 | if (!('a' <= x && x <= 'z'))
|
---|
3098 | return -1;
|
---|
3099 | char y = xy[1];
|
---|
3100 | if (!y)
|
---|
3101 | // "[a-z]" -> 0-25
|
---|
3102 | return x - 'a';
|
---|
3103 |
|
---|
3104 | if (!('a' <= y && y <= 'z' && !xy[2]))
|
---|
3105 | return -1;
|
---|
3106 | // "[a-z][a-z]" -> 26-701
|
---|
3107 | STATIC_ASSERT((('z' - 'a' + 1) * ('z' - 'a' + 1) + ('z' - 'a')) == devxy_to_n_max);
|
---|
3108 | return (x - 'a' + 1) * ('z' - 'a' + 1) + (y - 'a');
|
---|
3109 | }
|
---|
3110 |
|
---|
3111 | void linux_smart_interface::get_dev_list(smart_device_list & devlist,
|
---|
3112 | const char * pattern, bool scan_scsi, bool (* p_dev_sdxy_seen)[devxy_to_n_max+1],
|
---|
3113 | bool scan_nvme, const char * req_type, bool autodetect)
|
---|
3114 | {
|
---|
3115 | bool debug = (ata_debugmode || scsi_debugmode || nvme_debugmode);
|
---|
3116 |
|
---|
3117 | // Use glob to look for any directory entries matching the pattern
|
---|
3118 | glob_t globbuf;
|
---|
3119 | memset(&globbuf, 0, sizeof(globbuf));
|
---|
3120 | int retglob = glob(pattern, GLOB_ERR, NULL, &globbuf);
|
---|
3121 | if (retglob) {
|
---|
3122 | // glob failed: free memory and return
|
---|
3123 | globfree(&globbuf);
|
---|
3124 |
|
---|
3125 | if (debug)
|
---|
3126 | pout("glob(3) error %d for pattern %s\n", retglob, pattern);
|
---|
3127 |
|
---|
3128 | if (retglob == GLOB_NOSPACE)
|
---|
3129 | throw std::bad_alloc();
|
---|
3130 | return;
|
---|
3131 | }
|
---|
3132 |
|
---|
3133 | // did we find too many paths?
|
---|
3134 | const int max_pathc = 1024;
|
---|
3135 | int n = (int)globbuf.gl_pathc;
|
---|
3136 | if (n > max_pathc) {
|
---|
3137 | pout("glob(3) found %d > MAX=%d devices matching pattern %s: ignoring %d paths\n",
|
---|
3138 | n, max_pathc, pattern, n - max_pathc);
|
---|
3139 | n = max_pathc;
|
---|
3140 | }
|
---|
3141 |
|
---|
3142 | // now step through the list returned by glob.
|
---|
3143 | for (int i = 0; i < n; i++) {
|
---|
3144 | const char * name = globbuf.gl_pathv[i];
|
---|
3145 |
|
---|
3146 | if (p_dev_sdxy_seen) {
|
---|
3147 | // Follow "/dev/disk/by-id/*" symlink and check for duplicate "/dev/sdXY"
|
---|
3148 | int dev_n = devxy_to_n(name, debug);
|
---|
3149 | if (!(0 <= dev_n && dev_n <= devxy_to_n_max))
|
---|
3150 | continue;
|
---|
3151 | if ((*p_dev_sdxy_seen)[dev_n]) {
|
---|
3152 | if (debug)
|
---|
3153 | pout("%s: duplicate, ignored\n", name);
|
---|
3154 | continue;
|
---|
3155 | }
|
---|
3156 | (*p_dev_sdxy_seen)[dev_n] = true;
|
---|
3157 | }
|
---|
3158 |
|
---|
3159 | smart_device * dev;
|
---|
3160 | if (autodetect) {
|
---|
3161 | dev = autodetect_smart_device(name);
|
---|
3162 | if (!dev)
|
---|
3163 | continue;
|
---|
3164 | }
|
---|
3165 | else if (scan_scsi)
|
---|
3166 | dev = new linux_scsi_device(this, name, req_type, true /*scanning*/);
|
---|
3167 | else if (scan_nvme)
|
---|
3168 | dev = new linux_nvme_device(this, name, req_type, 0 /* use default nsid */);
|
---|
3169 | else
|
---|
3170 | dev = new linux_ata_device(this, name, req_type);
|
---|
3171 | devlist.push_back(dev);
|
---|
3172 | }
|
---|
3173 |
|
---|
3174 | // free memory
|
---|
3175 | globfree(&globbuf);
|
---|
3176 | }
|
---|
3177 |
|
---|
3178 | // getting devices from LSI SAS MegaRaid, if available
|
---|
3179 | bool linux_smart_interface::get_dev_megasas(smart_device_list & devlist)
|
---|
3180 | {
|
---|
3181 | /* Scanning of disks on MegaRaid device */
|
---|
3182 | /* Perform mknod of device ioctl node */
|
---|
3183 | int mjr, n1;
|
---|
3184 | char line[128];
|
---|
3185 | bool scan_megasas = false;
|
---|
3186 | FILE * fp = fopen("/proc/devices", "r");
|
---|
3187 | if (!fp)
|
---|
3188 | return false;
|
---|
3189 | while (fgets(line, sizeof(line), fp) != NULL) {
|
---|
3190 | n1=0;
|
---|
3191 | if (sscanf(line, "%d megaraid_sas_ioctl%n", &mjr, &n1) == 1 && n1 == 22) {
|
---|
3192 | scan_megasas = true;
|
---|
3193 | n1=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR|0600, makedev(mjr, 0));
|
---|
3194 | if(scsi_debugmode > 0)
|
---|
3195 | pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1 >= 0 ? 0 : errno);
|
---|
3196 | if (n1 >= 0 || errno == EEXIST)
|
---|
3197 | break;
|
---|
3198 | }
|
---|
3199 | }
|
---|
3200 | fclose(fp);
|
---|
3201 |
|
---|
3202 | if(!scan_megasas)
|
---|
3203 | return false;
|
---|
3204 |
|
---|
3205 | // getting bus numbers with megasas devices
|
---|
3206 | // we are using sysfs to get list of all scsi hosts
|
---|
3207 | DIR * dp = opendir ("/sys/class/scsi_host/");
|
---|
3208 | if (dp != NULL)
|
---|
3209 | {
|
---|
3210 | struct dirent *ep;
|
---|
3211 | while ((ep = readdir (dp)) != NULL) {
|
---|
3212 | unsigned int host_no = 0;
|
---|
3213 | if (!sscanf(ep->d_name, "host%u", &host_no))
|
---|
3214 | continue;
|
---|
3215 | /* proc_name should be megaraid_sas */
|
---|
3216 | char sysfsdir[256];
|
---|
3217 | snprintf(sysfsdir, sizeof(sysfsdir) - 1,
|
---|
3218 | "/sys/class/scsi_host/host%u/proc_name", host_no);
|
---|
3219 | if((fp = fopen(sysfsdir, "r")) == NULL)
|
---|
3220 | continue;
|
---|
3221 | if(fgets(line, sizeof(line), fp) != NULL && !strncmp(line,"megaraid_sas",12)) {
|
---|
3222 | megasas_pd_add_list(host_no, devlist);
|
---|
3223 | }
|
---|
3224 | fclose(fp);
|
---|
3225 | }
|
---|
3226 | (void) closedir (dp);
|
---|
3227 | } else { /* sysfs not mounted ? */
|
---|
3228 | for(unsigned i = 0; i <=16; i++) // trying to add devices on first 16 buses
|
---|
3229 | megasas_pd_add_list(i, devlist);
|
---|
3230 | }
|
---|
3231 | return true;
|
---|
3232 | }
|
---|
3233 |
|
---|
3234 | // getting devices from 3SNIC Raid, if available
|
---|
3235 | bool linux_smart_interface::get_dev_sssraid(smart_device_list & devlist)
|
---|
3236 | {
|
---|
3237 | /* Scanning of disks on sssraid device */
|
---|
3238 | /* Perform mknod of device ioctl node */
|
---|
3239 | char line[128];
|
---|
3240 | FILE * fp = NULL;
|
---|
3241 |
|
---|
3242 | // getting bus numbers with 3snic sas devices
|
---|
3243 | // we are using sysfs to get list of all scsi hosts
|
---|
3244 | DIR * dp = opendir ("/sys/class/scsi_host/");
|
---|
3245 | if (dp != NULL)
|
---|
3246 | {
|
---|
3247 | struct dirent *ep;
|
---|
3248 | while ((ep = readdir (dp)) != NULL) {
|
---|
3249 | unsigned int host_no = 0;
|
---|
3250 | if (!sscanf(ep->d_name, "host%u", &host_no))
|
---|
3251 | continue;
|
---|
3252 | /* proc_name should be sssraid */
|
---|
3253 | char sysfsdir[256];
|
---|
3254 | snprintf(sysfsdir, sizeof(sysfsdir) - 1,
|
---|
3255 | "/sys/class/scsi_host/host%u/proc_name", host_no);
|
---|
3256 | if((fp = fopen(sysfsdir, "r")) == NULL)
|
---|
3257 | continue;
|
---|
3258 | if(fgets(line, sizeof(line), fp) != NULL && !strncmp(line,"sssraid",7)) {
|
---|
3259 | sssraid_pd_add_list(host_no, devlist);
|
---|
3260 | }
|
---|
3261 | fclose(fp);
|
---|
3262 | }
|
---|
3263 | (void) closedir (dp);
|
---|
3264 | } else { /* sysfs not mounted ? */
|
---|
3265 | for(unsigned i = 0; i <=16; i++) // trying to add devices on first 16 buses
|
---|
3266 | sssraid_pd_add_list(i, devlist);
|
---|
3267 | }
|
---|
3268 | return true;
|
---|
3269 | }
|
---|
3270 |
|
---|
3271 | bool linux_smart_interface::scan_smart_devices(smart_device_list & devlist,
|
---|
3272 | const smart_devtype_list & types, const char * pattern /*= 0*/)
|
---|
3273 | {
|
---|
3274 | if (pattern)
|
---|
3275 | return set_err(EINVAL, "DEVICESCAN with pattern not implemented yet");
|
---|
3276 |
|
---|
3277 | // Scan type list
|
---|
3278 | bool by_id = false;
|
---|
3279 | const char * type_ata = 0, * type_scsi = 0, * type_sat = 0, * type_nvme = 0;
|
---|
3280 | for (unsigned i = 0; i < types.size(); i++) {
|
---|
3281 | const char * type = types[i].c_str();
|
---|
3282 | if (!strcmp(type, "by-id"))
|
---|
3283 | by_id = true;
|
---|
3284 | else if (!strcmp(type, "ata"))
|
---|
3285 | type_ata = "ata";
|
---|
3286 | else if (!strcmp(type, "scsi"))
|
---|
3287 | type_scsi = "scsi";
|
---|
3288 | else if (!strcmp(type, "sat"))
|
---|
3289 | type_sat = "sat";
|
---|
3290 | else if (!strcmp(type, "nvme"))
|
---|
3291 | type_nvme = "nvme";
|
---|
3292 | else
|
---|
3293 | return set_err(EINVAL, "Invalid type '%s', valid arguments are: by-id, ata, scsi, sat, nvme",
|
---|
3294 | type);
|
---|
3295 | }
|
---|
3296 | // Use default if no type specified
|
---|
3297 | if (!(type_ata || type_scsi || type_sat || type_nvme)) {
|
---|
3298 | type_ata = type_scsi = type_sat = "";
|
---|
3299 | #ifdef WITH_NVME_DEVICESCAN // TODO: Remove when NVMe support is no longer EXPERIMENTAL
|
---|
3300 | type_nvme = "";
|
---|
3301 | #endif
|
---|
3302 | }
|
---|
3303 |
|
---|
3304 | if (type_ata)
|
---|
3305 | get_dev_list(devlist, "/dev/hd[a-t]", false, 0, false, type_ata, false);
|
---|
3306 |
|
---|
3307 | if (type_scsi || type_sat) {
|
---|
3308 | // "sat" detection will be later handled in linux_scsi_device::autodetect_open()
|
---|
3309 | const char * type_scsi_sat = ((type_scsi && type_sat) ? "" // detect both
|
---|
3310 | : (type_scsi ? type_scsi : type_sat));
|
---|
3311 | bool autodetect = !*type_scsi_sat; // If no type specified, detect USB also
|
---|
3312 |
|
---|
3313 | bool dev_sdxy_seen[devxy_to_n_max+1] = {false, };
|
---|
3314 | bool (*p_dev_sdxy_seen)[devxy_to_n_max+1] = 0;
|
---|
3315 | if (by_id) {
|
---|
3316 | // Scan unique symlinks first
|
---|
3317 | get_dev_list(devlist, "/dev/disk/by-id/*", true, &dev_sdxy_seen, false,
|
---|
3318 | type_scsi_sat, autodetect);
|
---|
3319 | p_dev_sdxy_seen = &dev_sdxy_seen; // Check for duplicates below
|
---|
3320 | }
|
---|
3321 |
|
---|
3322 | get_dev_list(devlist, "/dev/sd[a-z]", true, p_dev_sdxy_seen, false, type_scsi_sat, autodetect);
|
---|
3323 | get_dev_list(devlist, "/dev/sd[a-z][a-z]", true, p_dev_sdxy_seen, false, type_scsi_sat, autodetect);
|
---|
3324 |
|
---|
3325 | // get device list from the megaraid device
|
---|
3326 | get_dev_megasas(devlist);
|
---|
3327 | // get device list from the sssraid device
|
---|
3328 | get_dev_sssraid(devlist);
|
---|
3329 | }
|
---|
3330 |
|
---|
3331 | if (type_nvme) {
|
---|
3332 | get_dev_list(devlist, "/dev/nvme[0-9]", false, 0, true, type_nvme, false);
|
---|
3333 | get_dev_list(devlist, "/dev/nvme[1-9][0-9]", false, 0, true, type_nvme, false);
|
---|
3334 | }
|
---|
3335 |
|
---|
3336 | return true;
|
---|
3337 | }
|
---|
3338 |
|
---|
3339 | ata_device * linux_smart_interface::get_ata_device(const char * name, const char * type)
|
---|
3340 | {
|
---|
3341 | return new linux_ata_device(this, name, type);
|
---|
3342 | }
|
---|
3343 |
|
---|
3344 | scsi_device * linux_smart_interface::get_scsi_device(const char * name, const char * type)
|
---|
3345 | {
|
---|
3346 | return new linux_scsi_device(this, name, type);
|
---|
3347 | }
|
---|
3348 |
|
---|
3349 | nvme_device * linux_smart_interface::get_nvme_device(const char * name, const char * type,
|
---|
3350 | unsigned nsid)
|
---|
3351 | {
|
---|
3352 | return new linux_nvme_device(this, name, type, nsid);
|
---|
3353 | }
|
---|
3354 |
|
---|
3355 | smart_device * linux_smart_interface::missing_option(const char * opt)
|
---|
3356 | {
|
---|
3357 | set_err(EINVAL, "requires option '%s'", opt);
|
---|
3358 | return 0;
|
---|
3359 | }
|
---|
3360 |
|
---|
3361 | int
|
---|
3362 | linux_smart_interface::megasas_dcmd_cmd(int bus_no, uint32_t opcode, void *buf,
|
---|
3363 | size_t bufsize, uint8_t *mbox, size_t mboxlen, uint8_t *statusp)
|
---|
3364 | {
|
---|
3365 | struct megasas_iocpacket ioc;
|
---|
3366 |
|
---|
3367 | if ((mbox != NULL && (mboxlen == 0 || mboxlen > MFI_MBOX_SIZE)) ||
|
---|
3368 | (mbox == NULL && mboxlen != 0))
|
---|
3369 | {
|
---|
3370 | errno = EINVAL;
|
---|
3371 | return (-1);
|
---|
3372 | }
|
---|
3373 |
|
---|
3374 | memset(&ioc, 0, sizeof(ioc));
|
---|
3375 | struct megasas_dcmd_frame * dcmd = &ioc.frame.dcmd;
|
---|
3376 | ioc.host_no = bus_no;
|
---|
3377 | if (mbox)
|
---|
3378 | memcpy(dcmd->mbox.w, mbox, mboxlen);
|
---|
3379 | dcmd->cmd = MFI_CMD_DCMD;
|
---|
3380 | dcmd->timeout = 0;
|
---|
3381 | dcmd->flags = 0;
|
---|
3382 | dcmd->data_xfer_len = bufsize;
|
---|
3383 | dcmd->opcode = opcode;
|
---|
3384 |
|
---|
3385 | if (bufsize > 0) {
|
---|
3386 | dcmd->sge_count = 1;
|
---|
3387 | dcmd->data_xfer_len = bufsize;
|
---|
3388 | dcmd->sgl.sge32[0].phys_addr = (intptr_t)buf;
|
---|
3389 | dcmd->sgl.sge32[0].length = (uint32_t)bufsize;
|
---|
3390 | ioc.sge_count = 1;
|
---|
3391 | ioc.sgl_off = offsetof(struct megasas_dcmd_frame, sgl);
|
---|
3392 | ioc.sgl[0].iov_base = buf;
|
---|
3393 | ioc.sgl[0].iov_len = bufsize;
|
---|
3394 | }
|
---|
3395 |
|
---|
3396 | int fd;
|
---|
3397 | if ((fd = ::open("/dev/megaraid_sas_ioctl_node", O_RDWR)) < 0) {
|
---|
3398 | return (errno);
|
---|
3399 | }
|
---|
3400 |
|
---|
3401 | int r = ioctl(fd, MEGASAS_IOC_FIRMWARE, &ioc);
|
---|
3402 | ::close(fd);
|
---|
3403 | if (r < 0) {
|
---|
3404 | return (r);
|
---|
3405 | }
|
---|
3406 |
|
---|
3407 | if (statusp != NULL)
|
---|
3408 | *statusp = dcmd->cmd_status;
|
---|
3409 | else if (dcmd->cmd_status != MFI_STAT_OK) {
|
---|
3410 | fprintf(stderr, "command %x returned error status %x\n",
|
---|
3411 | opcode, dcmd->cmd_status);
|
---|
3412 | errno = EIO;
|
---|
3413 | return (-1);
|
---|
3414 | }
|
---|
3415 | return (0);
|
---|
3416 | }
|
---|
3417 |
|
---|
3418 | int
|
---|
3419 | linux_smart_interface::megasas_pd_add_list(int bus_no, smart_device_list & devlist)
|
---|
3420 | {
|
---|
3421 | /*
|
---|
3422 | * Keep fetching the list in a loop until we have a large enough
|
---|
3423 | * buffer to hold the entire list.
|
---|
3424 | */
|
---|
3425 | megasas_pd_list * list = 0;
|
---|
3426 | for (unsigned list_size = 1024; ; ) {
|
---|
3427 | list = reinterpret_cast<megasas_pd_list *>(realloc(list, list_size));
|
---|
3428 | if (!list)
|
---|
3429 | throw std::bad_alloc();
|
---|
3430 | memset(list, 0, list_size);
|
---|
3431 | if (megasas_dcmd_cmd(bus_no, MFI_DCMD_PD_GET_LIST, list, list_size, NULL, 0,
|
---|
3432 | NULL) < 0)
|
---|
3433 | {
|
---|
3434 | free(list);
|
---|
3435 | return (-1);
|
---|
3436 | }
|
---|
3437 | if (list->size <= list_size)
|
---|
3438 | break;
|
---|
3439 | list_size = list->size;
|
---|
3440 | }
|
---|
3441 |
|
---|
3442 | // adding all SCSI devices
|
---|
3443 | for (unsigned i = 0; i < list->count; i++) {
|
---|
3444 | if(list->addr[i].scsi_dev_type)
|
---|
3445 | continue; /* non disk device found */
|
---|
3446 | char line[128];
|
---|
3447 | snprintf(line, sizeof(line) - 1, "/dev/bus/%d", bus_no);
|
---|
3448 | smart_device * dev = new linux_megaraid_device(this, line, list->addr[i].device_id);
|
---|
3449 | devlist.push_back(dev);
|
---|
3450 | }
|
---|
3451 | free(list);
|
---|
3452 | return (0);
|
---|
3453 | }
|
---|
3454 |
|
---|
3455 | int
|
---|
3456 | linux_smart_interface::sssraid_pdlist_cmd(int bus_no, uint32_t start_idx_param, void *buf, size_t bufsize, uint8_t *statusp)
|
---|
3457 | {
|
---|
3458 | struct sg_io_v4 io_hdr_v4 = { 0 };
|
---|
3459 | unsigned char sense_buff[ADM_SCSI_CDB_SENSE_MAX_LEN] = { 0 };
|
---|
3460 | struct bsg_ioctl_cmd bsg_param = { 0 };
|
---|
3461 | u8 cmd_param[24] = { 0 };
|
---|
3462 |
|
---|
3463 | io_hdr_v4.guard = 'Q';
|
---|
3464 | io_hdr_v4.protocol = BSG_PROTOCOL_SCSI;
|
---|
3465 | io_hdr_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_TRANSPORT;
|
---|
3466 | io_hdr_v4.response = (uintptr_t)sense_buff;
|
---|
3467 | io_hdr_v4.max_response_len = ADM_SCSI_CDB_SENSE_MAX_LEN;
|
---|
3468 | io_hdr_v4.request_len = sizeof(struct bsg_ioctl_cmd);
|
---|
3469 | io_hdr_v4.request = (uintptr_t)(&bsg_param);
|
---|
3470 | io_hdr_v4.timeout = BSG_APPEND_TIMEOUT_MS;
|
---|
3471 |
|
---|
3472 | if (bufsize >0) {
|
---|
3473 | io_hdr_v4.din_xferp = (uintptr_t)buf;
|
---|
3474 | io_hdr_v4.din_xfer_len = bufsize;
|
---|
3475 | }
|
---|
3476 |
|
---|
3477 | bsg_param.msgcode = 0;
|
---|
3478 | bsg_param.ioctl_r64.opcode = ADM_RAID_READ;
|
---|
3479 | bsg_param.ioctl_r64.timeout_ms = BSG_APPEND_TIMEOUT_MS;
|
---|
3480 | bsg_param.ioctl_r64.info_0.subopcode = ADM_CMD_SHOW_PDLIST;
|
---|
3481 | bsg_param.ioctl_r64.addr = (uintptr_t)buf;
|
---|
3482 | bsg_param.ioctl_r64.info_1.data_len = bufsize;
|
---|
3483 | bsg_param.ioctl_r64.data_len = bufsize;
|
---|
3484 | bsg_param.ioctl_r64.info_1.param_len = sizeof(struct cmd_pdlist_idx);
|
---|
3485 | memset(cmd_param, 0, 24);
|
---|
3486 | *((u16*) (cmd_param + offsetof(struct cmd_pdlist_idx, start_idx))) = start_idx_param;
|
---|
3487 | *((u16*) (cmd_param + offsetof(struct cmd_pdlist_idx, count))) = CMD_PDLIST_ONCE_NUM;
|
---|
3488 | memcpy((u32*)&bsg_param.ioctl_r64.cdw10, cmd_param, sizeof(struct cmd_pdlist_idx));
|
---|
3489 |
|
---|
3490 | int fd;
|
---|
3491 | char line[128];
|
---|
3492 | snprintf(line, sizeof(line) - 1, "/dev/bsg/sssraid%d", bus_no);
|
---|
3493 | if ((fd = ::open(line, O_RDONLY)) < 0) {
|
---|
3494 | printf("open %s error %d\n", line, fd);
|
---|
3495 | return (errno);
|
---|
3496 | }
|
---|
3497 |
|
---|
3498 | int r = ioctl(fd, SG_IO, &io_hdr_v4);
|
---|
3499 | ::close(fd);
|
---|
3500 | if (r < 0) {
|
---|
3501 | return (r);
|
---|
3502 | }
|
---|
3503 |
|
---|
3504 | if (statusp != NULL) {
|
---|
3505 | *statusp = (io_hdr_v4.transport_status << 0x8) | io_hdr_v4.device_status;
|
---|
3506 | printf("statusp = 0x%x\n", *statusp);
|
---|
3507 | if (*statusp) {
|
---|
3508 | printf("controller returns an error - 0x%x", *statusp);
|
---|
3509 | return (-1);
|
---|
3510 | }
|
---|
3511 | }
|
---|
3512 | return (0);
|
---|
3513 | }
|
---|
3514 |
|
---|
3515 | int
|
---|
3516 | linux_smart_interface::sssraid_pd_add_list(int bus_no, smart_device_list & devlist)
|
---|
3517 | {
|
---|
3518 | unsigned disk_num = 0;
|
---|
3519 | struct cmd_pdlist_entry pdlist[CMD_PDS_MAX_NUM];
|
---|
3520 | while (disk_num < CMD_PDS_MAX_NUM) {
|
---|
3521 | struct cmd_show_pdlist list = {0};
|
---|
3522 | if (sssraid_pdlist_cmd(bus_no, disk_num, &list, sizeof(struct cmd_show_pdlist), NULL) < 0)
|
---|
3523 | {
|
---|
3524 | return (-1);
|
---|
3525 | }
|
---|
3526 | if (list.num == 0)
|
---|
3527 | break;
|
---|
3528 | memcpy(&pdlist[disk_num], list.disks, list.num * sizeof(struct cmd_pdlist_entry));
|
---|
3529 | disk_num += list.num;
|
---|
3530 | if (list.num < CMD_PDLIST_ONCE_NUM)
|
---|
3531 | break;
|
---|
3532 | }
|
---|
3533 |
|
---|
3534 | // adding all SCSI devices
|
---|
3535 | for (unsigned i = 0; i < disk_num; i++) {
|
---|
3536 | if(!(pdlist[i].interface == ADM_DEVICE_TYPE_SATA || pdlist[i].interface == ADM_DEVICE_TYPE_SAS
|
---|
3537 | || pdlist[i].interface == ADM_DEVICE_TYPE_NVME))
|
---|
3538 | continue; /* non disk device found */
|
---|
3539 | char line[128];
|
---|
3540 | snprintf(line, sizeof(line) - 1, "/dev/bsg/sssraid%d", bus_no);
|
---|
3541 | smart_device * dev = new linux_sssraid_device(this, line, (unsigned int)pdlist[i].enc_id, (unsigned int)pdlist[i].slot_id);
|
---|
3542 | devlist.push_back(dev);
|
---|
3543 | }
|
---|
3544 | return (0);
|
---|
3545 | }
|
---|
3546 |
|
---|
3547 | // Return kernel release as integer ("2.6.31" -> 206031)
|
---|
3548 | static unsigned get_kernel_release()
|
---|
3549 | {
|
---|
3550 | struct utsname u;
|
---|
3551 | if (uname(&u))
|
---|
3552 | return 0;
|
---|
3553 | unsigned x = 0, y = 0, z = 0;
|
---|
3554 | if (!(sscanf(u.release, "%u.%u.%u", &x, &y, &z) == 3
|
---|
3555 | && x < 100 && y < 100 && z < 1000 ))
|
---|
3556 | return 0;
|
---|
3557 | return x * 100000 + y * 1000 + z;
|
---|
3558 | }
|
---|
3559 |
|
---|
3560 | // Check for SCSI host proc_name "hpsa" and HPSA raid_level
|
---|
3561 | static bool is_hpsa_in_raid_mode(const char * name)
|
---|
3562 | {
|
---|
3563 | char path[128];
|
---|
3564 | snprintf(path, sizeof(path), "/sys/block/%s/device", name);
|
---|
3565 | char * syshostpath = realpath(path, (char *)0);
|
---|
3566 | if (!syshostpath)
|
---|
3567 | return false;
|
---|
3568 |
|
---|
3569 | char * syshost = strrchr(syshostpath, '/');
|
---|
3570 | if (!syshost) {
|
---|
3571 | free(syshostpath);
|
---|
3572 | return false;
|
---|
3573 | }
|
---|
3574 |
|
---|
3575 | char * hostsep = strchr(++syshost, ':');
|
---|
3576 | if (hostsep)
|
---|
3577 | *hostsep = 0;
|
---|
3578 |
|
---|
3579 | snprintf(path, sizeof(path), "/sys/class/scsi_host/host%s/proc_name", syshost);
|
---|
3580 | free(syshostpath);
|
---|
3581 | int fd = open(path, O_RDONLY);
|
---|
3582 | if (fd < 0)
|
---|
3583 | return false;
|
---|
3584 |
|
---|
3585 | char proc_name[32];
|
---|
3586 | ssize_t n = read(fd, proc_name, sizeof(proc_name) - 1);
|
---|
3587 | close(fd);
|
---|
3588 | if (n < 4)
|
---|
3589 | return false;
|
---|
3590 |
|
---|
3591 | proc_name[n] = 0;
|
---|
3592 | if (proc_name[n - 1] == '\n')
|
---|
3593 | proc_name[n - 1] = 0;
|
---|
3594 |
|
---|
3595 | if (scsi_debugmode > 1)
|
---|
3596 | pout("%s -> %s: \"%s\"\n", name, path, proc_name);
|
---|
3597 |
|
---|
3598 | if (strcmp(proc_name, "hpsa"))
|
---|
3599 | return false;
|
---|
3600 |
|
---|
3601 | // See: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/hpsa.c?id=6417f03132a6952cd17ddd8eaddbac92b61b17e0#n693
|
---|
3602 | snprintf(path, sizeof(path), "/sys/block/%s/device/raid_level", name);
|
---|
3603 | fd = open(path, O_RDONLY);
|
---|
3604 | if (fd < 0)
|
---|
3605 | return false;
|
---|
3606 |
|
---|
3607 | char raid_level[4];
|
---|
3608 | n = read(fd, raid_level, sizeof(raid_level) - 1);
|
---|
3609 | close(fd);
|
---|
3610 | if (n < 3)
|
---|
3611 | return false;
|
---|
3612 | raid_level[n] = 0;
|
---|
3613 |
|
---|
3614 | if (strcmp(raid_level, "N/A"))
|
---|
3615 | return true;
|
---|
3616 |
|
---|
3617 | return false;
|
---|
3618 | }
|
---|
3619 |
|
---|
3620 | // Guess device type (ata or scsi) based on device name (Linux
|
---|
3621 | // specific) SCSI device name in linux can be sd, sr, scd, st, nst,
|
---|
3622 | // osst, nosst and sg.
|
---|
3623 | smart_device * linux_smart_interface::autodetect_smart_device(const char * name)
|
---|
3624 | {
|
---|
3625 | const char * test_name = name;
|
---|
3626 |
|
---|
3627 | // Dereference symlinks
|
---|
3628 | struct stat st;
|
---|
3629 | std::string pathbuf;
|
---|
3630 | if (!lstat(name, &st) && S_ISLNK(st.st_mode)) {
|
---|
3631 | char * p = realpath(name, (char *)0);
|
---|
3632 | if (p) {
|
---|
3633 | pathbuf = p;
|
---|
3634 | free(p);
|
---|
3635 | test_name = pathbuf.c_str();
|
---|
3636 | }
|
---|
3637 | }
|
---|
3638 |
|
---|
3639 | // Remove the leading /dev/... if it's there
|
---|
3640 | static const char dev_prefix[] = "/dev/";
|
---|
3641 | if (str_starts_with(test_name, dev_prefix))
|
---|
3642 | test_name += strlen(dev_prefix);
|
---|
3643 |
|
---|
3644 | // form /dev/h* or h*
|
---|
3645 | if (str_starts_with(test_name, "h"))
|
---|
3646 | return new linux_ata_device(this, name, "");
|
---|
3647 |
|
---|
3648 | // form /dev/ide/* or ide/*
|
---|
3649 | if (str_starts_with(test_name, "ide/"))
|
---|
3650 | return new linux_ata_device(this, name, "");
|
---|
3651 |
|
---|
3652 | // form /dev/s* or s*
|
---|
3653 | if (str_starts_with(test_name, "s")) {
|
---|
3654 |
|
---|
3655 | // Try to detect possible USB->(S)ATA bridge
|
---|
3656 | unsigned short vendor_id = 0, product_id = 0, version = 0;
|
---|
3657 | if (get_usb_id(test_name, vendor_id, product_id, version)) {
|
---|
3658 | const char * usbtype = get_usb_dev_type_by_id(vendor_id, product_id, version);
|
---|
3659 | if (!usbtype)
|
---|
3660 | return 0;
|
---|
3661 |
|
---|
3662 | // Kernels before 2.6.29 do not support the sense data length
|
---|
3663 | // required for SAT ATA PASS-THROUGH(16)
|
---|
3664 | if (!strcmp(usbtype, "sat") && get_kernel_release() < 206029)
|
---|
3665 | usbtype = "sat,12";
|
---|
3666 |
|
---|
3667 | // Return SAT/USB device for this type
|
---|
3668 | // (Note: linux_scsi_device::autodetect_open() will not be called in this case)
|
---|
3669 | return get_scsi_passthrough_device(usbtype, new linux_scsi_device(this, name, ""));
|
---|
3670 | }
|
---|
3671 |
|
---|
3672 | // Fail if hpsa driver and device is using RAID
|
---|
3673 | if (is_hpsa_in_raid_mode(test_name))
|
---|
3674 | return missing_option("-d cciss,N");
|
---|
3675 |
|
---|
3676 | // No USB bridge or hpsa driver found, assume regular SCSI device
|
---|
3677 | return new linux_scsi_device(this, name, "");
|
---|
3678 | }
|
---|
3679 |
|
---|
3680 | // form /dev/scsi/* or scsi/*
|
---|
3681 | if (str_starts_with(test_name, "scsi/"))
|
---|
3682 | return new linux_scsi_device(this, name, "");
|
---|
3683 |
|
---|
3684 | // form /dev/bsg/* or bsg/*
|
---|
3685 | if (str_starts_with(test_name, "bsg/"))
|
---|
3686 | return new linux_scsi_device(this, name, "");
|
---|
3687 |
|
---|
3688 | // form /dev/ns* or ns*
|
---|
3689 | if (str_starts_with(test_name, "ns"))
|
---|
3690 | return new linux_scsi_device(this, name, "");
|
---|
3691 |
|
---|
3692 | // form /dev/os* or os*
|
---|
3693 | if (str_starts_with(test_name, "os"))
|
---|
3694 | return new linux_scsi_device(this, name, "");
|
---|
3695 |
|
---|
3696 | // form /dev/nos* or nos*
|
---|
3697 | if (str_starts_with(test_name, "nos"))
|
---|
3698 | return new linux_scsi_device(this, name, "");
|
---|
3699 |
|
---|
3700 | // form /dev/nvme* or nvme*
|
---|
3701 | if (str_starts_with(test_name, "nvme"))
|
---|
3702 | return new linux_nvme_device(this, name, "", 0 /* use default nsid */);
|
---|
3703 |
|
---|
3704 | // form /dev/tw[ael]* or tw[ael]*
|
---|
3705 | if (str_starts_with(test_name, "tw") && strchr("ael", test_name[2]))
|
---|
3706 | return missing_option("-d 3ware,N");
|
---|
3707 |
|
---|
3708 | // form /dev/cciss/* or cciss/*
|
---|
3709 | if (str_starts_with(test_name, "cciss/"))
|
---|
3710 | return missing_option("-d cciss,N");
|
---|
3711 |
|
---|
3712 | // we failed to recognize any of the forms
|
---|
3713 | return 0;
|
---|
3714 | }
|
---|
3715 |
|
---|
3716 | smart_device * linux_smart_interface::get_custom_smart_device(const char * name, const char * type)
|
---|
3717 | {
|
---|
3718 | // Marvell ?
|
---|
3719 | if (!strcmp(type, "marvell"))
|
---|
3720 | return new linux_marvell_device(this, name, type);
|
---|
3721 |
|
---|
3722 | // 3Ware ?
|
---|
3723 | int disknum = -1, n1 = -1, n2 = -1;
|
---|
3724 | if (sscanf(type, "3ware,%n%d%n", &n1, &disknum, &n2) == 1 || n1 == 6) {
|
---|
3725 | if (n2 != (int)strlen(type)) {
|
---|
3726 | set_err(EINVAL, "Option -d 3ware,N requires N to be a non-negative integer");
|
---|
3727 | return 0;
|
---|
3728 | }
|
---|
3729 | if (!(0 <= disknum && disknum <= 127)) {
|
---|
3730 | set_err(EINVAL, "Option -d 3ware,N (N=%d) must have 0 <= N <= 127", disknum);
|
---|
3731 | return 0;
|
---|
3732 | }
|
---|
3733 |
|
---|
3734 | if (!strncmp(name, "/dev/twl", 8))
|
---|
3735 | return new linux_escalade_device(this, name, linux_escalade_device::AMCC_3WARE_9700_CHAR, disknum);
|
---|
3736 | else if (!strncmp(name, "/dev/twa", 8))
|
---|
3737 | return new linux_escalade_device(this, name, linux_escalade_device::AMCC_3WARE_9000_CHAR, disknum);
|
---|
3738 | else if (!strncmp(name, "/dev/twe", 8))
|
---|
3739 | return new linux_escalade_device(this, name, linux_escalade_device::AMCC_3WARE_678K_CHAR, disknum);
|
---|
3740 | else
|
---|
3741 | return new linux_escalade_device(this, name, linux_escalade_device::AMCC_3WARE_678K, disknum);
|
---|
3742 | }
|
---|
3743 |
|
---|
3744 | // Areca?
|
---|
3745 | disknum = n1 = n2 = -1;
|
---|
3746 | int encnum = 1;
|
---|
3747 | if (sscanf(type, "areca,%n%d/%d%n", &n1, &disknum, &encnum, &n2) >= 1 || n1 == 6) {
|
---|
3748 | if (!(1 <= disknum && disknum <= 128)) {
|
---|
3749 | set_err(EINVAL, "Option -d areca,N/E (N=%d) must have 1 <= N <= 128", disknum);
|
---|
3750 | return 0;
|
---|
3751 | }
|
---|
3752 | if (!(1 <= encnum && encnum <= 8)) {
|
---|
3753 | set_err(EINVAL, "Option -d areca,N/E (E=%d) must have 1 <= E <= 8", encnum);
|
---|
3754 | return 0;
|
---|
3755 | }
|
---|
3756 | return new linux_areca_ata_device(this, name, disknum, encnum);
|
---|
3757 | }
|
---|
3758 |
|
---|
3759 | // Highpoint ?
|
---|
3760 | int controller = -1, channel = -1; disknum = 1;
|
---|
3761 | n1 = n2 = -1; int n3 = -1;
|
---|
3762 | if (sscanf(type, "hpt,%n%d/%d%n/%d%n", &n1, &controller, &channel, &n2, &disknum, &n3) >= 2 || n1 == 4) {
|
---|
3763 | int len = strlen(type);
|
---|
3764 | if (!(n2 == len || n3 == len)) {
|
---|
3765 | set_err(EINVAL, "Option '-d hpt,L/M/N' supports 2-3 items");
|
---|
3766 | return 0;
|
---|
3767 | }
|
---|
3768 | if (!(1 <= controller && controller <= 8)) {
|
---|
3769 | set_err(EINVAL, "Option '-d hpt,L/M/N' invalid controller id L supplied");
|
---|
3770 | return 0;
|
---|
3771 | }
|
---|
3772 | if (!(1 <= channel && channel <= 128)) {
|
---|
3773 | set_err(EINVAL, "Option '-d hpt,L/M/N' invalid channel number M supplied");
|
---|
3774 | return 0;
|
---|
3775 | }
|
---|
3776 | if (!(1 <= disknum && disknum <= 15)) {
|
---|
3777 | set_err(EINVAL, "Option '-d hpt,L/M/N' invalid pmport number N supplied");
|
---|
3778 | return 0;
|
---|
3779 | }
|
---|
3780 | return new linux_highpoint_device(this, name, controller, channel, disknum);
|
---|
3781 | }
|
---|
3782 |
|
---|
3783 | #ifdef HAVE_LINUX_CCISS_IOCTL_H
|
---|
3784 | // CCISS ?
|
---|
3785 | disknum = n1 = n2 = -1;
|
---|
3786 | if (sscanf(type, "cciss,%n%d%n", &n1, &disknum, &n2) == 1 || n1 == 6) {
|
---|
3787 | if (n2 != (int)strlen(type)) {
|
---|
3788 | set_err(EINVAL, "Option -d cciss,N requires N to be a non-negative integer");
|
---|
3789 | return 0;
|
---|
3790 | }
|
---|
3791 | if (!(0 <= disknum && disknum <= 127)) {
|
---|
3792 | set_err(EINVAL, "Option -d cciss,N (N=%d) must have 0 <= N <= 127", disknum);
|
---|
3793 | return 0;
|
---|
3794 | }
|
---|
3795 | return get_sat_device("sat,auto", new linux_cciss_device(this, name, disknum));
|
---|
3796 | }
|
---|
3797 | #endif // HAVE_LINUX_CCISS_IOCTL_H
|
---|
3798 |
|
---|
3799 | // MegaRAID ?
|
---|
3800 | if (sscanf(type, "megaraid,%d", &disknum) == 1) {
|
---|
3801 | return new linux_megaraid_device(this, name, disknum);
|
---|
3802 | }
|
---|
3803 |
|
---|
3804 | // SSSRAID
|
---|
3805 | unsigned eid = -1, sid = -1;
|
---|
3806 | if (sscanf(type, "sssraid,%u,%u", &eid, &sid) == 2) {
|
---|
3807 | return new linux_sssraid_device(this, name, eid, sid);
|
---|
3808 | }
|
---|
3809 |
|
---|
3810 | //aacraid?
|
---|
3811 | unsigned host, chan, device;
|
---|
3812 | if (sscanf(type, "aacraid,%u,%u,%u", &host, &chan, &device) == 3) {
|
---|
3813 | //return new linux_aacraid_device(this,name,channel,device);
|
---|
3814 | return get_sat_device("sat,auto",
|
---|
3815 | new linux_aacraid_device(this, name, host, chan, device));
|
---|
3816 |
|
---|
3817 | }
|
---|
3818 |
|
---|
3819 | return 0;
|
---|
3820 | }
|
---|
3821 |
|
---|
3822 | std::string linux_smart_interface::get_valid_custom_dev_types_str()
|
---|
3823 | {
|
---|
3824 | return "marvell, areca,N/E, 3ware,N, hpt,L/M/N, megaraid,N, aacraid,H,L,ID, sssraid,E,S"
|
---|
3825 | #ifdef HAVE_LINUX_CCISS_IOCTL_H
|
---|
3826 | ", cciss,N"
|
---|
3827 | #endif
|
---|
3828 | ;
|
---|
3829 | }
|
---|
3830 |
|
---|
3831 | } // namespace
|
---|
3832 |
|
---|
3833 | /////////////////////////////////////////////////////////////////////////////
|
---|
3834 | /// Initialize platform interface and register with smi()
|
---|
3835 |
|
---|
3836 | void smart_interface::init()
|
---|
3837 | {
|
---|
3838 | static os_linux::linux_smart_interface the_interface;
|
---|
3839 | smart_interface::set(&the_interface);
|
---|
3840 | }
|
---|