1 | #include <machine/rtems-bsd-kernel-space.h> |
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2 | |
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3 | /* $FreeBSD$ */ |
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4 | /*- |
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5 | * Copyright (c) 2008,2011 Hans Petter Selasky. All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * 1. Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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26 | * SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | /* |
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30 | * The following file contains code that will detect USB autoinstall |
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31 | * disks. |
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32 | * |
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33 | * TODO: Potentially we could add code to automatically detect USB |
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34 | * mass storage quirks for not supported SCSI commands! |
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35 | */ |
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36 | |
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37 | #ifdef USB_GLOBAL_INCLUDE_FILE |
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38 | #include USB_GLOBAL_INCLUDE_FILE |
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39 | #else |
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40 | #include <sys/stdint.h> |
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41 | #include <sys/stddef.h> |
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42 | #include <rtems/bsd/sys/param.h> |
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43 | #include <sys/queue.h> |
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44 | #include <sys/types.h> |
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45 | #include <sys/systm.h> |
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46 | #include <sys/kernel.h> |
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47 | #include <sys/bus.h> |
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48 | #include <sys/module.h> |
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49 | #include <rtems/bsd/sys/lock.h> |
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50 | #include <sys/mutex.h> |
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51 | #include <sys/condvar.h> |
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52 | #include <sys/sysctl.h> |
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53 | #include <sys/sx.h> |
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54 | #include <rtems/bsd/sys/unistd.h> |
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55 | #include <sys/callout.h> |
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56 | #include <sys/malloc.h> |
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57 | #include <sys/priv.h> |
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58 | |
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59 | #include <dev/usb/usb.h> |
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60 | #include <dev/usb/usbdi.h> |
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61 | #include <dev/usb/usbdi_util.h> |
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62 | |
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63 | #define USB_DEBUG_VAR usb_debug |
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64 | |
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65 | #include <dev/usb/usb_busdma.h> |
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66 | #include <dev/usb/usb_process.h> |
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67 | #include <dev/usb/usb_transfer.h> |
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68 | #include <dev/usb/usb_msctest.h> |
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69 | #include <dev/usb/usb_debug.h> |
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70 | #include <dev/usb/usb_device.h> |
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71 | #include <dev/usb/usb_request.h> |
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72 | #include <dev/usb/usb_util.h> |
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73 | #include <dev/usb/quirk/usb_quirk.h> |
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74 | #endif /* USB_GLOBAL_INCLUDE_FILE */ |
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75 | |
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76 | enum { |
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77 | ST_COMMAND, |
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78 | ST_DATA_RD, |
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79 | ST_DATA_RD_CS, |
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80 | ST_DATA_WR, |
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81 | ST_DATA_WR_CS, |
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82 | ST_STATUS, |
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83 | ST_MAX, |
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84 | }; |
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85 | |
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86 | enum { |
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87 | DIR_IN, |
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88 | DIR_OUT, |
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89 | DIR_NONE, |
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90 | }; |
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91 | |
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92 | #define SCSI_MAX_LEN MAX(SCSI_FIXED_BLOCK_SIZE, USB_MSCTEST_BULK_SIZE) |
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93 | #define SCSI_INQ_LEN 0x24 |
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94 | #define SCSI_SENSE_LEN 0xFF |
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95 | #define SCSI_FIXED_BLOCK_SIZE 512 /* bytes */ |
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96 | |
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97 | static uint8_t scsi_test_unit_ready[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
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98 | static uint8_t scsi_inquiry[] = { 0x12, 0x00, 0x00, 0x00, SCSI_INQ_LEN, 0x00 }; |
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99 | static uint8_t scsi_rezero_init[] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
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100 | static uint8_t scsi_start_stop_unit[] = { 0x1b, 0x00, 0x00, 0x00, 0x02, 0x00 }; |
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101 | static uint8_t scsi_ztestor_eject[] = { 0x85, 0x01, 0x01, 0x01, 0x18, 0x01, |
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102 | 0x01, 0x01, 0x01, 0x01, 0x00, 0x00 }; |
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103 | static uint8_t scsi_cmotech_eject[] = { 0xff, 0x52, 0x44, 0x45, 0x56, 0x43, |
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104 | 0x48, 0x47 }; |
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105 | static uint8_t scsi_huawei_eject[] = { 0x11, 0x06, 0x00, 0x00, 0x00, 0x00, |
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106 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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107 | 0x00, 0x00, 0x00, 0x00 }; |
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108 | static uint8_t scsi_huawei_eject2[] = { 0x11, 0x06, 0x20, 0x00, 0x00, 0x01, |
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109 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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110 | 0x00, 0x00, 0x00, 0x00 }; |
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111 | static uint8_t scsi_tct_eject[] = { 0x06, 0xf5, 0x04, 0x02, 0x52, 0x70 }; |
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112 | static uint8_t scsi_sync_cache[] = { 0x35, 0x00, 0x00, 0x00, 0x00, 0x00, |
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113 | 0x00, 0x00, 0x00, 0x00 }; |
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114 | static uint8_t scsi_request_sense[] = { 0x03, 0x00, 0x00, 0x00, 0x12, 0x00, |
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115 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
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116 | static uint8_t scsi_read_capacity[] = { 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, |
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117 | 0x00, 0x00, 0x00, 0x00 }; |
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118 | static uint8_t scsi_prevent_removal[] = { 0x1e, 0, 0, 0, 1, 0 }; |
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119 | static uint8_t scsi_allow_removal[] = { 0x1e, 0, 0, 0, 0, 0 }; |
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120 | |
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121 | #ifndef USB_MSCTEST_BULK_SIZE |
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122 | #define USB_MSCTEST_BULK_SIZE 64 /* dummy */ |
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123 | #endif |
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124 | |
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125 | #define ERR_CSW_FAILED -1 |
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126 | |
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127 | /* Command Block Wrapper */ |
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128 | struct bbb_cbw { |
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129 | uDWord dCBWSignature; |
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130 | #define CBWSIGNATURE 0x43425355 |
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131 | uDWord dCBWTag; |
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132 | uDWord dCBWDataTransferLength; |
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133 | uByte bCBWFlags; |
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134 | #define CBWFLAGS_OUT 0x00 |
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135 | #define CBWFLAGS_IN 0x80 |
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136 | uByte bCBWLUN; |
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137 | uByte bCDBLength; |
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138 | #define CBWCDBLENGTH 16 |
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139 | uByte CBWCDB[CBWCDBLENGTH]; |
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140 | } __packed; |
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141 | |
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142 | /* Command Status Wrapper */ |
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143 | struct bbb_csw { |
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144 | uDWord dCSWSignature; |
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145 | #define CSWSIGNATURE 0x53425355 |
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146 | uDWord dCSWTag; |
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147 | uDWord dCSWDataResidue; |
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148 | uByte bCSWStatus; |
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149 | #define CSWSTATUS_GOOD 0x0 |
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150 | #define CSWSTATUS_FAILED 0x1 |
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151 | #define CSWSTATUS_PHASE 0x2 |
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152 | } __packed; |
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153 | |
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154 | struct bbb_transfer { |
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155 | struct mtx mtx; |
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156 | struct cv cv; |
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157 | struct bbb_cbw *cbw; |
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158 | struct bbb_csw *csw; |
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159 | |
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160 | struct usb_xfer *xfer[ST_MAX]; |
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161 | |
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162 | uint8_t *data_ptr; |
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163 | |
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164 | usb_size_t data_len; /* bytes */ |
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165 | usb_size_t data_rem; /* bytes */ |
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166 | usb_timeout_t data_timeout; /* ms */ |
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167 | usb_frlength_t actlen; /* bytes */ |
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168 | usb_frlength_t buffer_size; /* bytes */ |
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169 | |
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170 | uint8_t cmd_len; /* bytes */ |
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171 | uint8_t dir; |
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172 | uint8_t lun; |
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173 | uint8_t state; |
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174 | uint8_t status_try; |
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175 | int error; |
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176 | |
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177 | uint8_t *buffer; |
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178 | }; |
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179 | |
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180 | static usb_callback_t bbb_command_callback; |
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181 | static usb_callback_t bbb_data_read_callback; |
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182 | static usb_callback_t bbb_data_rd_cs_callback; |
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183 | static usb_callback_t bbb_data_write_callback; |
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184 | static usb_callback_t bbb_data_wr_cs_callback; |
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185 | static usb_callback_t bbb_status_callback; |
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186 | static usb_callback_t bbb_raw_write_callback; |
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187 | |
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188 | static void bbb_done(struct bbb_transfer *, int); |
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189 | static void bbb_transfer_start(struct bbb_transfer *, uint8_t); |
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190 | static void bbb_data_clear_stall_callback(struct usb_xfer *, uint8_t, |
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191 | uint8_t); |
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192 | static int bbb_command_start(struct bbb_transfer *, uint8_t, uint8_t, |
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193 | void *, size_t, void *, size_t, usb_timeout_t); |
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194 | static struct bbb_transfer *bbb_attach(struct usb_device *, uint8_t, uint8_t); |
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195 | static void bbb_detach(struct bbb_transfer *); |
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196 | |
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197 | static const struct usb_config bbb_config[ST_MAX] = { |
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198 | |
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199 | [ST_COMMAND] = { |
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200 | .type = UE_BULK, |
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201 | .endpoint = UE_ADDR_ANY, |
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202 | .direction = UE_DIR_OUT, |
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203 | .bufsize = sizeof(struct bbb_cbw), |
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204 | .callback = &bbb_command_callback, |
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205 | .timeout = 4 * USB_MS_HZ, /* 4 seconds */ |
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206 | }, |
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207 | |
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208 | [ST_DATA_RD] = { |
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209 | .type = UE_BULK, |
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210 | .endpoint = UE_ADDR_ANY, |
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211 | .direction = UE_DIR_IN, |
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212 | .bufsize = SCSI_MAX_LEN, |
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213 | .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,}, |
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214 | .callback = &bbb_data_read_callback, |
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215 | .timeout = 4 * USB_MS_HZ, /* 4 seconds */ |
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216 | }, |
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217 | |
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218 | [ST_DATA_RD_CS] = { |
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219 | .type = UE_CONTROL, |
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220 | .endpoint = 0x00, /* Control pipe */ |
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221 | .direction = UE_DIR_ANY, |
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222 | .bufsize = sizeof(struct usb_device_request), |
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223 | .callback = &bbb_data_rd_cs_callback, |
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224 | .timeout = 1 * USB_MS_HZ, /* 1 second */ |
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225 | }, |
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226 | |
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227 | [ST_DATA_WR] = { |
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228 | .type = UE_BULK, |
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229 | .endpoint = UE_ADDR_ANY, |
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230 | .direction = UE_DIR_OUT, |
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231 | .bufsize = SCSI_MAX_LEN, |
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232 | .flags = {.ext_buffer = 1,.proxy_buffer = 1,}, |
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233 | .callback = &bbb_data_write_callback, |
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234 | .timeout = 4 * USB_MS_HZ, /* 4 seconds */ |
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235 | }, |
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236 | |
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237 | [ST_DATA_WR_CS] = { |
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238 | .type = UE_CONTROL, |
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239 | .endpoint = 0x00, /* Control pipe */ |
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240 | .direction = UE_DIR_ANY, |
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241 | .bufsize = sizeof(struct usb_device_request), |
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242 | .callback = &bbb_data_wr_cs_callback, |
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243 | .timeout = 1 * USB_MS_HZ, /* 1 second */ |
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244 | }, |
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245 | |
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246 | [ST_STATUS] = { |
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247 | .type = UE_BULK, |
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248 | .endpoint = UE_ADDR_ANY, |
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249 | .direction = UE_DIR_IN, |
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250 | .bufsize = sizeof(struct bbb_csw), |
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251 | .flags = {.short_xfer_ok = 1,}, |
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252 | .callback = &bbb_status_callback, |
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253 | .timeout = 1 * USB_MS_HZ, /* 1 second */ |
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254 | }, |
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255 | }; |
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256 | |
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257 | static const struct usb_config bbb_raw_config[1] = { |
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258 | |
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259 | [0] = { |
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260 | .type = UE_BULK_INTR, |
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261 | .endpoint = UE_ADDR_ANY, |
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262 | .direction = UE_DIR_OUT, |
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263 | .bufsize = SCSI_MAX_LEN, |
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264 | .flags = {.ext_buffer = 1,.proxy_buffer = 1,}, |
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265 | .callback = &bbb_raw_write_callback, |
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266 | .timeout = 1 * USB_MS_HZ, /* 1 second */ |
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267 | }, |
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268 | }; |
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269 | |
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270 | static void |
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271 | bbb_done(struct bbb_transfer *sc, int error) |
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272 | { |
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273 | sc->error = error; |
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274 | sc->state = ST_COMMAND; |
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275 | sc->status_try = 1; |
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276 | cv_signal(&sc->cv); |
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277 | } |
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278 | |
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279 | static void |
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280 | bbb_transfer_start(struct bbb_transfer *sc, uint8_t xfer_index) |
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281 | { |
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282 | sc->state = xfer_index; |
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283 | usbd_transfer_start(sc->xfer[xfer_index]); |
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284 | } |
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285 | |
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286 | static void |
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287 | bbb_data_clear_stall_callback(struct usb_xfer *xfer, |
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288 | uint8_t next_xfer, uint8_t stall_xfer) |
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289 | { |
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290 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
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291 | |
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292 | if (usbd_clear_stall_callback(xfer, sc->xfer[stall_xfer])) { |
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293 | switch (USB_GET_STATE(xfer)) { |
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294 | case USB_ST_SETUP: |
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295 | case USB_ST_TRANSFERRED: |
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296 | bbb_transfer_start(sc, next_xfer); |
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297 | break; |
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298 | default: |
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299 | bbb_done(sc, USB_ERR_STALLED); |
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300 | break; |
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301 | } |
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302 | } |
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303 | } |
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304 | |
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305 | static void |
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306 | bbb_command_callback(struct usb_xfer *xfer, usb_error_t error) |
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307 | { |
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308 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
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309 | uint32_t tag; |
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310 | |
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311 | switch (USB_GET_STATE(xfer)) { |
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312 | case USB_ST_TRANSFERRED: |
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313 | bbb_transfer_start |
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314 | (sc, ((sc->dir == DIR_IN) ? ST_DATA_RD : |
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315 | (sc->dir == DIR_OUT) ? ST_DATA_WR : |
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316 | ST_STATUS)); |
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317 | break; |
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318 | |
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319 | case USB_ST_SETUP: |
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320 | sc->status_try = 0; |
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321 | tag = UGETDW(sc->cbw->dCBWTag) + 1; |
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322 | USETDW(sc->cbw->dCBWSignature, CBWSIGNATURE); |
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323 | USETDW(sc->cbw->dCBWTag, tag); |
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324 | USETDW(sc->cbw->dCBWDataTransferLength, (uint32_t)sc->data_len); |
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325 | sc->cbw->bCBWFlags = ((sc->dir == DIR_IN) ? CBWFLAGS_IN : CBWFLAGS_OUT); |
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326 | sc->cbw->bCBWLUN = sc->lun; |
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327 | sc->cbw->bCDBLength = sc->cmd_len; |
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328 | if (sc->cbw->bCDBLength > sizeof(sc->cbw->CBWCDB)) { |
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329 | sc->cbw->bCDBLength = sizeof(sc->cbw->CBWCDB); |
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330 | DPRINTFN(0, "Truncating long command\n"); |
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331 | } |
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332 | usbd_xfer_set_frame_len(xfer, 0, |
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333 | sizeof(struct bbb_cbw)); |
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334 | usbd_transfer_submit(xfer); |
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335 | break; |
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336 | |
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337 | default: /* Error */ |
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338 | bbb_done(sc, error); |
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339 | break; |
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340 | } |
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341 | } |
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342 | |
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343 | static void |
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344 | bbb_data_read_callback(struct usb_xfer *xfer, usb_error_t error) |
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345 | { |
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346 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
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347 | usb_frlength_t max_bulk = usbd_xfer_max_len(xfer); |
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348 | int actlen, sumlen; |
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349 | |
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350 | usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); |
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351 | |
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352 | switch (USB_GET_STATE(xfer)) { |
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353 | case USB_ST_TRANSFERRED: |
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354 | sc->data_rem -= actlen; |
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355 | sc->data_ptr += actlen; |
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356 | sc->actlen += actlen; |
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357 | |
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358 | if (actlen < sumlen) { |
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359 | /* short transfer */ |
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360 | sc->data_rem = 0; |
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361 | } |
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362 | case USB_ST_SETUP: |
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363 | DPRINTF("max_bulk=%d, data_rem=%d\n", |
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364 | max_bulk, sc->data_rem); |
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365 | |
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366 | if (sc->data_rem == 0) { |
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367 | bbb_transfer_start(sc, ST_STATUS); |
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368 | break; |
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369 | } |
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370 | if (max_bulk > sc->data_rem) { |
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371 | max_bulk = sc->data_rem; |
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372 | } |
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373 | usbd_xfer_set_timeout(xfer, sc->data_timeout); |
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374 | usbd_xfer_set_frame_data(xfer, 0, sc->data_ptr, max_bulk); |
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375 | usbd_transfer_submit(xfer); |
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376 | break; |
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377 | |
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378 | default: /* Error */ |
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379 | if (error == USB_ERR_CANCELLED) { |
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380 | bbb_done(sc, error); |
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381 | } else { |
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382 | bbb_transfer_start(sc, ST_DATA_RD_CS); |
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383 | } |
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384 | break; |
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385 | } |
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386 | } |
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387 | |
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388 | static void |
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389 | bbb_data_rd_cs_callback(struct usb_xfer *xfer, usb_error_t error) |
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390 | { |
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391 | bbb_data_clear_stall_callback(xfer, ST_STATUS, |
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392 | ST_DATA_RD); |
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393 | } |
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394 | |
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395 | static void |
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396 | bbb_data_write_callback(struct usb_xfer *xfer, usb_error_t error) |
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397 | { |
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398 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
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399 | usb_frlength_t max_bulk = usbd_xfer_max_len(xfer); |
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400 | int actlen, sumlen; |
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401 | |
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402 | usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); |
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403 | |
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404 | switch (USB_GET_STATE(xfer)) { |
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405 | case USB_ST_TRANSFERRED: |
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406 | sc->data_rem -= actlen; |
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407 | sc->data_ptr += actlen; |
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408 | sc->actlen += actlen; |
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409 | |
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410 | if (actlen < sumlen) { |
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411 | /* short transfer */ |
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412 | sc->data_rem = 0; |
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413 | } |
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414 | case USB_ST_SETUP: |
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415 | DPRINTF("max_bulk=%d, data_rem=%d\n", |
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416 | max_bulk, sc->data_rem); |
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417 | |
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418 | if (sc->data_rem == 0) { |
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419 | bbb_transfer_start(sc, ST_STATUS); |
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420 | break; |
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421 | } |
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422 | if (max_bulk > sc->data_rem) { |
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423 | max_bulk = sc->data_rem; |
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424 | } |
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425 | usbd_xfer_set_timeout(xfer, sc->data_timeout); |
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426 | usbd_xfer_set_frame_data(xfer, 0, sc->data_ptr, max_bulk); |
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427 | usbd_transfer_submit(xfer); |
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428 | break; |
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429 | |
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430 | default: /* Error */ |
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431 | if (error == USB_ERR_CANCELLED) { |
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432 | bbb_done(sc, error); |
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433 | } else { |
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434 | bbb_transfer_start(sc, ST_DATA_WR_CS); |
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435 | } |
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436 | break; |
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437 | } |
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438 | } |
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439 | |
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440 | static void |
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441 | bbb_data_wr_cs_callback(struct usb_xfer *xfer, usb_error_t error) |
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442 | { |
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443 | bbb_data_clear_stall_callback(xfer, ST_STATUS, |
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444 | ST_DATA_WR); |
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445 | } |
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446 | |
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447 | static void |
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448 | bbb_status_callback(struct usb_xfer *xfer, usb_error_t error) |
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449 | { |
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450 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
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451 | int actlen; |
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452 | int sumlen; |
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453 | |
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454 | usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); |
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455 | |
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456 | switch (USB_GET_STATE(xfer)) { |
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457 | case USB_ST_TRANSFERRED: |
---|
458 | |
---|
459 | /* very simple status check */ |
---|
460 | |
---|
461 | if (actlen < (int)sizeof(struct bbb_csw)) { |
---|
462 | bbb_done(sc, USB_ERR_SHORT_XFER); |
---|
463 | } else if (sc->csw->bCSWStatus == CSWSTATUS_GOOD) { |
---|
464 | bbb_done(sc, 0); /* success */ |
---|
465 | } else { |
---|
466 | bbb_done(sc, ERR_CSW_FAILED); /* error */ |
---|
467 | } |
---|
468 | break; |
---|
469 | |
---|
470 | case USB_ST_SETUP: |
---|
471 | usbd_xfer_set_frame_len(xfer, 0, |
---|
472 | sizeof(struct bbb_csw)); |
---|
473 | usbd_transfer_submit(xfer); |
---|
474 | break; |
---|
475 | |
---|
476 | default: |
---|
477 | DPRINTF("Failed to read CSW: %s, try %d\n", |
---|
478 | usbd_errstr(error), sc->status_try); |
---|
479 | |
---|
480 | if (error == USB_ERR_CANCELLED || sc->status_try) { |
---|
481 | bbb_done(sc, error); |
---|
482 | } else { |
---|
483 | sc->status_try = 1; |
---|
484 | bbb_transfer_start(sc, ST_DATA_RD_CS); |
---|
485 | } |
---|
486 | break; |
---|
487 | } |
---|
488 | } |
---|
489 | |
---|
490 | static void |
---|
491 | bbb_raw_write_callback(struct usb_xfer *xfer, usb_error_t error) |
---|
492 | { |
---|
493 | struct bbb_transfer *sc = usbd_xfer_softc(xfer); |
---|
494 | usb_frlength_t max_bulk = usbd_xfer_max_len(xfer); |
---|
495 | int actlen, sumlen; |
---|
496 | |
---|
497 | usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); |
---|
498 | |
---|
499 | switch (USB_GET_STATE(xfer)) { |
---|
500 | case USB_ST_TRANSFERRED: |
---|
501 | sc->data_rem -= actlen; |
---|
502 | sc->data_ptr += actlen; |
---|
503 | sc->actlen += actlen; |
---|
504 | |
---|
505 | if (actlen < sumlen) { |
---|
506 | /* short transfer */ |
---|
507 | sc->data_rem = 0; |
---|
508 | } |
---|
509 | case USB_ST_SETUP: |
---|
510 | DPRINTF("max_bulk=%d, data_rem=%d\n", |
---|
511 | max_bulk, sc->data_rem); |
---|
512 | |
---|
513 | if (sc->data_rem == 0) { |
---|
514 | bbb_done(sc, 0); |
---|
515 | break; |
---|
516 | } |
---|
517 | if (max_bulk > sc->data_rem) { |
---|
518 | max_bulk = sc->data_rem; |
---|
519 | } |
---|
520 | usbd_xfer_set_timeout(xfer, sc->data_timeout); |
---|
521 | usbd_xfer_set_frame_data(xfer, 0, sc->data_ptr, max_bulk); |
---|
522 | usbd_transfer_submit(xfer); |
---|
523 | break; |
---|
524 | |
---|
525 | default: /* Error */ |
---|
526 | bbb_done(sc, error); |
---|
527 | break; |
---|
528 | } |
---|
529 | } |
---|
530 | |
---|
531 | /*------------------------------------------------------------------------* |
---|
532 | * bbb_command_start - execute a SCSI command synchronously |
---|
533 | * |
---|
534 | * Return values |
---|
535 | * 0: Success |
---|
536 | * Else: Failure |
---|
537 | *------------------------------------------------------------------------*/ |
---|
538 | static int |
---|
539 | bbb_command_start(struct bbb_transfer *sc, uint8_t dir, uint8_t lun, |
---|
540 | void *data_ptr, size_t data_len, void *cmd_ptr, size_t cmd_len, |
---|
541 | usb_timeout_t data_timeout) |
---|
542 | { |
---|
543 | sc->lun = lun; |
---|
544 | sc->dir = data_len ? dir : DIR_NONE; |
---|
545 | sc->data_ptr = data_ptr; |
---|
546 | sc->data_len = data_len; |
---|
547 | sc->data_rem = data_len; |
---|
548 | sc->data_timeout = (data_timeout + USB_MS_HZ); |
---|
549 | sc->actlen = 0; |
---|
550 | sc->error = 0; |
---|
551 | sc->cmd_len = cmd_len; |
---|
552 | memset(&sc->cbw->CBWCDB, 0, sizeof(sc->cbw->CBWCDB)); |
---|
553 | memcpy(&sc->cbw->CBWCDB, cmd_ptr, cmd_len); |
---|
554 | DPRINTFN(1, "SCSI cmd = %*D\n", (int)cmd_len, (char *)sc->cbw->CBWCDB, ":"); |
---|
555 | |
---|
556 | mtx_lock(&sc->mtx); |
---|
557 | usbd_transfer_start(sc->xfer[sc->state]); |
---|
558 | |
---|
559 | while (usbd_transfer_pending(sc->xfer[sc->state])) { |
---|
560 | cv_wait(&sc->cv, &sc->mtx); |
---|
561 | } |
---|
562 | mtx_unlock(&sc->mtx); |
---|
563 | return (sc->error); |
---|
564 | } |
---|
565 | |
---|
566 | /*------------------------------------------------------------------------* |
---|
567 | * bbb_raw_write - write a raw BULK message synchronously |
---|
568 | * |
---|
569 | * Return values |
---|
570 | * 0: Success |
---|
571 | * Else: Failure |
---|
572 | *------------------------------------------------------------------------*/ |
---|
573 | static int |
---|
574 | bbb_raw_write(struct bbb_transfer *sc, const void *data_ptr, size_t data_len, |
---|
575 | usb_timeout_t data_timeout) |
---|
576 | { |
---|
577 | sc->data_ptr = __DECONST(void *, data_ptr); |
---|
578 | sc->data_len = data_len; |
---|
579 | sc->data_rem = data_len; |
---|
580 | sc->data_timeout = (data_timeout + USB_MS_HZ); |
---|
581 | sc->actlen = 0; |
---|
582 | sc->error = 0; |
---|
583 | |
---|
584 | DPRINTFN(1, "BULK DATA = %*D\n", (int)data_len, |
---|
585 | (const char *)data_ptr, ":"); |
---|
586 | |
---|
587 | mtx_lock(&sc->mtx); |
---|
588 | usbd_transfer_start(sc->xfer[0]); |
---|
589 | while (usbd_transfer_pending(sc->xfer[0])) |
---|
590 | cv_wait(&sc->cv, &sc->mtx); |
---|
591 | mtx_unlock(&sc->mtx); |
---|
592 | return (sc->error); |
---|
593 | } |
---|
594 | |
---|
595 | static struct bbb_transfer * |
---|
596 | bbb_attach(struct usb_device *udev, uint8_t iface_index, |
---|
597 | uint8_t bInterfaceClass) |
---|
598 | { |
---|
599 | struct usb_interface *iface; |
---|
600 | struct usb_interface_descriptor *id; |
---|
601 | const struct usb_config *pconfig; |
---|
602 | struct bbb_transfer *sc; |
---|
603 | usb_error_t err; |
---|
604 | int nconfig; |
---|
605 | |
---|
606 | #if USB_HAVE_MSCTEST_DETACH |
---|
607 | uint8_t do_unlock; |
---|
608 | |
---|
609 | /* Prevent re-enumeration */ |
---|
610 | do_unlock = usbd_enum_lock(udev); |
---|
611 | |
---|
612 | /* |
---|
613 | * Make sure any driver which is hooked up to this interface, |
---|
614 | * like umass is gone: |
---|
615 | */ |
---|
616 | usb_detach_device(udev, iface_index, 0); |
---|
617 | |
---|
618 | if (do_unlock) |
---|
619 | usbd_enum_unlock(udev); |
---|
620 | #endif |
---|
621 | |
---|
622 | iface = usbd_get_iface(udev, iface_index); |
---|
623 | if (iface == NULL) |
---|
624 | return (NULL); |
---|
625 | |
---|
626 | id = iface->idesc; |
---|
627 | if (id == NULL || id->bInterfaceClass != bInterfaceClass) |
---|
628 | return (NULL); |
---|
629 | |
---|
630 | switch (id->bInterfaceClass) { |
---|
631 | case UICLASS_MASS: |
---|
632 | switch (id->bInterfaceSubClass) { |
---|
633 | case UISUBCLASS_SCSI: |
---|
634 | case UISUBCLASS_UFI: |
---|
635 | case UISUBCLASS_SFF8020I: |
---|
636 | case UISUBCLASS_SFF8070I: |
---|
637 | break; |
---|
638 | default: |
---|
639 | return (NULL); |
---|
640 | } |
---|
641 | switch (id->bInterfaceProtocol) { |
---|
642 | case UIPROTO_MASS_BBB_OLD: |
---|
643 | case UIPROTO_MASS_BBB: |
---|
644 | break; |
---|
645 | default: |
---|
646 | return (NULL); |
---|
647 | } |
---|
648 | pconfig = bbb_config; |
---|
649 | nconfig = ST_MAX; |
---|
650 | break; |
---|
651 | case UICLASS_HID: |
---|
652 | switch (id->bInterfaceSubClass) { |
---|
653 | case 0: |
---|
654 | break; |
---|
655 | default: |
---|
656 | return (NULL); |
---|
657 | } |
---|
658 | pconfig = bbb_raw_config; |
---|
659 | nconfig = 1; |
---|
660 | break; |
---|
661 | default: |
---|
662 | return (NULL); |
---|
663 | } |
---|
664 | |
---|
665 | sc = malloc(sizeof(*sc), M_USB, M_WAITOK | M_ZERO); |
---|
666 | mtx_init(&sc->mtx, "USB autoinstall", NULL, MTX_DEF); |
---|
667 | cv_init(&sc->cv, "WBBB"); |
---|
668 | |
---|
669 | err = usbd_transfer_setup(udev, &iface_index, sc->xfer, pconfig, |
---|
670 | nconfig, sc, &sc->mtx); |
---|
671 | if (err) { |
---|
672 | bbb_detach(sc); |
---|
673 | return (NULL); |
---|
674 | } |
---|
675 | switch (id->bInterfaceClass) { |
---|
676 | case UICLASS_MASS: |
---|
677 | /* store pointer to DMA buffers */ |
---|
678 | sc->buffer = usbd_xfer_get_frame_buffer( |
---|
679 | sc->xfer[ST_DATA_RD], 0); |
---|
680 | sc->buffer_size = |
---|
681 | usbd_xfer_max_len(sc->xfer[ST_DATA_RD]); |
---|
682 | sc->cbw = usbd_xfer_get_frame_buffer( |
---|
683 | sc->xfer[ST_COMMAND], 0); |
---|
684 | sc->csw = usbd_xfer_get_frame_buffer( |
---|
685 | sc->xfer[ST_STATUS], 0); |
---|
686 | break; |
---|
687 | default: |
---|
688 | break; |
---|
689 | } |
---|
690 | return (sc); |
---|
691 | } |
---|
692 | |
---|
693 | static void |
---|
694 | bbb_detach(struct bbb_transfer *sc) |
---|
695 | { |
---|
696 | usbd_transfer_unsetup(sc->xfer, ST_MAX); |
---|
697 | mtx_destroy(&sc->mtx); |
---|
698 | cv_destroy(&sc->cv); |
---|
699 | free(sc, M_USB); |
---|
700 | } |
---|
701 | |
---|
702 | /*------------------------------------------------------------------------* |
---|
703 | * usb_iface_is_cdrom |
---|
704 | * |
---|
705 | * Return values: |
---|
706 | * 1: This interface is an auto install disk (CD-ROM) |
---|
707 | * 0: Not an auto install disk. |
---|
708 | *------------------------------------------------------------------------*/ |
---|
709 | int |
---|
710 | usb_iface_is_cdrom(struct usb_device *udev, uint8_t iface_index) |
---|
711 | { |
---|
712 | struct bbb_transfer *sc; |
---|
713 | uint8_t timeout; |
---|
714 | uint8_t is_cdrom; |
---|
715 | uint8_t sid_type; |
---|
716 | int err; |
---|
717 | |
---|
718 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
719 | if (sc == NULL) |
---|
720 | return (0); |
---|
721 | |
---|
722 | is_cdrom = 0; |
---|
723 | timeout = 4; /* tries */ |
---|
724 | while (--timeout) { |
---|
725 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, |
---|
726 | SCSI_INQ_LEN, &scsi_inquiry, sizeof(scsi_inquiry), |
---|
727 | USB_MS_HZ); |
---|
728 | |
---|
729 | if (err == 0 && sc->actlen > 0) { |
---|
730 | sid_type = sc->buffer[0] & 0x1F; |
---|
731 | if (sid_type == 0x05) |
---|
732 | is_cdrom = 1; |
---|
733 | break; |
---|
734 | } else if (err != ERR_CSW_FAILED) |
---|
735 | break; /* non retryable error */ |
---|
736 | usb_pause_mtx(NULL, hz); |
---|
737 | } |
---|
738 | bbb_detach(sc); |
---|
739 | return (is_cdrom); |
---|
740 | } |
---|
741 | |
---|
742 | static uint8_t |
---|
743 | usb_msc_get_max_lun(struct usb_device *udev, uint8_t iface_index) |
---|
744 | { |
---|
745 | struct usb_device_request req; |
---|
746 | usb_error_t err; |
---|
747 | uint8_t buf = 0; |
---|
748 | |
---|
749 | |
---|
750 | /* The Get Max Lun command is a class-specific request. */ |
---|
751 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
---|
752 | req.bRequest = 0xFE; /* GET_MAX_LUN */ |
---|
753 | USETW(req.wValue, 0); |
---|
754 | req.wIndex[0] = iface_index; |
---|
755 | req.wIndex[1] = 0; |
---|
756 | USETW(req.wLength, 1); |
---|
757 | |
---|
758 | err = usbd_do_request(udev, NULL, &req, &buf); |
---|
759 | if (err) |
---|
760 | buf = 0; |
---|
761 | |
---|
762 | return (buf); |
---|
763 | } |
---|
764 | |
---|
765 | usb_error_t |
---|
766 | usb_msc_auto_quirk(struct usb_device *udev, uint8_t iface_index) |
---|
767 | { |
---|
768 | struct bbb_transfer *sc; |
---|
769 | uint8_t timeout; |
---|
770 | uint8_t is_no_direct; |
---|
771 | uint8_t sid_type; |
---|
772 | int err; |
---|
773 | |
---|
774 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
775 | if (sc == NULL) |
---|
776 | return (0); |
---|
777 | |
---|
778 | /* |
---|
779 | * Some devices need a delay after that the configuration |
---|
780 | * value is set to function properly: |
---|
781 | */ |
---|
782 | usb_pause_mtx(NULL, hz); |
---|
783 | |
---|
784 | if (usb_msc_get_max_lun(udev, iface_index) == 0) { |
---|
785 | DPRINTF("Device has only got one LUN.\n"); |
---|
786 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_GETMAXLUN); |
---|
787 | } |
---|
788 | |
---|
789 | is_no_direct = 1; |
---|
790 | for (timeout = 4; timeout != 0; timeout--) { |
---|
791 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, |
---|
792 | SCSI_INQ_LEN, &scsi_inquiry, sizeof(scsi_inquiry), |
---|
793 | USB_MS_HZ); |
---|
794 | |
---|
795 | if (err == 0 && sc->actlen > 0) { |
---|
796 | sid_type = sc->buffer[0] & 0x1F; |
---|
797 | if (sid_type == 0x00) |
---|
798 | is_no_direct = 0; |
---|
799 | break; |
---|
800 | } else if (err != ERR_CSW_FAILED) { |
---|
801 | DPRINTF("Device is not responding " |
---|
802 | "properly to SCSI INQUIRY command.\n"); |
---|
803 | goto error; /* non retryable error */ |
---|
804 | } |
---|
805 | usb_pause_mtx(NULL, hz); |
---|
806 | } |
---|
807 | |
---|
808 | if (is_no_direct) { |
---|
809 | DPRINTF("Device is not direct access.\n"); |
---|
810 | goto done; |
---|
811 | } |
---|
812 | |
---|
813 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
814 | &scsi_test_unit_ready, sizeof(scsi_test_unit_ready), |
---|
815 | USB_MS_HZ); |
---|
816 | |
---|
817 | if (err != 0) { |
---|
818 | if (err != ERR_CSW_FAILED) |
---|
819 | goto error; |
---|
820 | DPRINTF("Test unit ready failed\n"); |
---|
821 | } |
---|
822 | |
---|
823 | err = bbb_command_start(sc, DIR_OUT, 0, NULL, 0, |
---|
824 | &scsi_prevent_removal, sizeof(scsi_prevent_removal), |
---|
825 | USB_MS_HZ); |
---|
826 | |
---|
827 | if (err == 0) { |
---|
828 | err = bbb_command_start(sc, DIR_OUT, 0, NULL, 0, |
---|
829 | &scsi_allow_removal, sizeof(scsi_allow_removal), |
---|
830 | USB_MS_HZ); |
---|
831 | } |
---|
832 | |
---|
833 | if (err != 0) { |
---|
834 | if (err != ERR_CSW_FAILED) |
---|
835 | goto error; |
---|
836 | DPRINTF("Device doesn't handle prevent and allow removal\n"); |
---|
837 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_PREVENT_ALLOW); |
---|
838 | } |
---|
839 | |
---|
840 | timeout = 1; |
---|
841 | |
---|
842 | retry_sync_cache: |
---|
843 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
844 | &scsi_sync_cache, sizeof(scsi_sync_cache), |
---|
845 | USB_MS_HZ); |
---|
846 | |
---|
847 | if (err != 0) { |
---|
848 | |
---|
849 | if (err != ERR_CSW_FAILED) |
---|
850 | goto error; |
---|
851 | |
---|
852 | DPRINTF("Device doesn't handle synchronize cache\n"); |
---|
853 | |
---|
854 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_SYNC_CACHE); |
---|
855 | } else { |
---|
856 | |
---|
857 | /* |
---|
858 | * Certain Kingston memory sticks fail the first |
---|
859 | * read capacity after a synchronize cache command |
---|
860 | * has been issued. Disable the synchronize cache |
---|
861 | * command for such devices. |
---|
862 | */ |
---|
863 | |
---|
864 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, 8, |
---|
865 | &scsi_read_capacity, sizeof(scsi_read_capacity), |
---|
866 | USB_MS_HZ); |
---|
867 | |
---|
868 | if (err != 0) { |
---|
869 | if (err != ERR_CSW_FAILED) |
---|
870 | goto error; |
---|
871 | |
---|
872 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, 8, |
---|
873 | &scsi_read_capacity, sizeof(scsi_read_capacity), |
---|
874 | USB_MS_HZ); |
---|
875 | |
---|
876 | if (err == 0) { |
---|
877 | if (timeout--) |
---|
878 | goto retry_sync_cache; |
---|
879 | |
---|
880 | DPRINTF("Device most likely doesn't " |
---|
881 | "handle synchronize cache\n"); |
---|
882 | |
---|
883 | usbd_add_dynamic_quirk(udev, |
---|
884 | UQ_MSC_NO_SYNC_CACHE); |
---|
885 | } else { |
---|
886 | if (err != ERR_CSW_FAILED) |
---|
887 | goto error; |
---|
888 | } |
---|
889 | } |
---|
890 | } |
---|
891 | |
---|
892 | /* clear sense status of any failed commands on the device */ |
---|
893 | |
---|
894 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, |
---|
895 | SCSI_INQ_LEN, &scsi_inquiry, sizeof(scsi_inquiry), |
---|
896 | USB_MS_HZ); |
---|
897 | |
---|
898 | DPRINTF("Inquiry = %d\n", err); |
---|
899 | |
---|
900 | if (err != 0) { |
---|
901 | |
---|
902 | if (err != ERR_CSW_FAILED) |
---|
903 | goto error; |
---|
904 | } |
---|
905 | |
---|
906 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, |
---|
907 | SCSI_SENSE_LEN, &scsi_request_sense, |
---|
908 | sizeof(scsi_request_sense), USB_MS_HZ); |
---|
909 | |
---|
910 | DPRINTF("Request sense = %d\n", err); |
---|
911 | |
---|
912 | if (err != 0) { |
---|
913 | |
---|
914 | if (err != ERR_CSW_FAILED) |
---|
915 | goto error; |
---|
916 | } |
---|
917 | |
---|
918 | done: |
---|
919 | bbb_detach(sc); |
---|
920 | return (0); |
---|
921 | |
---|
922 | error: |
---|
923 | bbb_detach(sc); |
---|
924 | |
---|
925 | DPRINTF("Device did not respond, enabling all quirks\n"); |
---|
926 | |
---|
927 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_SYNC_CACHE); |
---|
928 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_PREVENT_ALLOW); |
---|
929 | usbd_add_dynamic_quirk(udev, UQ_MSC_NO_TEST_UNIT_READY); |
---|
930 | |
---|
931 | /* Need to re-enumerate the device */ |
---|
932 | usbd_req_re_enumerate(udev, NULL); |
---|
933 | |
---|
934 | return (USB_ERR_STALLED); |
---|
935 | } |
---|
936 | |
---|
937 | usb_error_t |
---|
938 | usb_msc_eject(struct usb_device *udev, uint8_t iface_index, int method) |
---|
939 | { |
---|
940 | struct bbb_transfer *sc; |
---|
941 | usb_error_t err; |
---|
942 | |
---|
943 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
944 | if (sc == NULL) |
---|
945 | return (USB_ERR_INVAL); |
---|
946 | |
---|
947 | switch (method) { |
---|
948 | case MSC_EJECT_STOPUNIT: |
---|
949 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
950 | &scsi_test_unit_ready, sizeof(scsi_test_unit_ready), |
---|
951 | USB_MS_HZ); |
---|
952 | DPRINTF("Test unit ready status: %s\n", usbd_errstr(err)); |
---|
953 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
954 | &scsi_start_stop_unit, sizeof(scsi_start_stop_unit), |
---|
955 | USB_MS_HZ); |
---|
956 | break; |
---|
957 | case MSC_EJECT_REZERO: |
---|
958 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
959 | &scsi_rezero_init, sizeof(scsi_rezero_init), |
---|
960 | USB_MS_HZ); |
---|
961 | break; |
---|
962 | case MSC_EJECT_ZTESTOR: |
---|
963 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
964 | &scsi_ztestor_eject, sizeof(scsi_ztestor_eject), |
---|
965 | USB_MS_HZ); |
---|
966 | break; |
---|
967 | case MSC_EJECT_CMOTECH: |
---|
968 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
969 | &scsi_cmotech_eject, sizeof(scsi_cmotech_eject), |
---|
970 | USB_MS_HZ); |
---|
971 | break; |
---|
972 | case MSC_EJECT_HUAWEI: |
---|
973 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
974 | &scsi_huawei_eject, sizeof(scsi_huawei_eject), |
---|
975 | USB_MS_HZ); |
---|
976 | break; |
---|
977 | case MSC_EJECT_HUAWEI2: |
---|
978 | err = bbb_command_start(sc, DIR_IN, 0, NULL, 0, |
---|
979 | &scsi_huawei_eject2, sizeof(scsi_huawei_eject2), |
---|
980 | USB_MS_HZ); |
---|
981 | break; |
---|
982 | case MSC_EJECT_TCT: |
---|
983 | /* |
---|
984 | * TCTMobile needs DIR_IN flag. To get it, we |
---|
985 | * supply a dummy data with the command. |
---|
986 | */ |
---|
987 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, |
---|
988 | sc->buffer_size, &scsi_tct_eject, |
---|
989 | sizeof(scsi_tct_eject), USB_MS_HZ); |
---|
990 | break; |
---|
991 | default: |
---|
992 | DPRINTF("Unknown eject method (%d)\n", method); |
---|
993 | bbb_detach(sc); |
---|
994 | return (USB_ERR_INVAL); |
---|
995 | } |
---|
996 | |
---|
997 | DPRINTF("Eject CD command status: %s\n", usbd_errstr(err)); |
---|
998 | |
---|
999 | bbb_detach(sc); |
---|
1000 | return (0); |
---|
1001 | } |
---|
1002 | |
---|
1003 | usb_error_t |
---|
1004 | usb_dymo_eject(struct usb_device *udev, uint8_t iface_index) |
---|
1005 | { |
---|
1006 | static const uint8_t data[3] = { 0x1b, 0x5a, 0x01 }; |
---|
1007 | struct bbb_transfer *sc; |
---|
1008 | usb_error_t err; |
---|
1009 | |
---|
1010 | sc = bbb_attach(udev, iface_index, UICLASS_HID); |
---|
1011 | if (sc == NULL) |
---|
1012 | return (USB_ERR_INVAL); |
---|
1013 | err = bbb_raw_write(sc, data, sizeof(data), USB_MS_HZ); |
---|
1014 | bbb_detach(sc); |
---|
1015 | return (err); |
---|
1016 | } |
---|
1017 | |
---|
1018 | usb_error_t |
---|
1019 | usb_msc_read_10(struct usb_device *udev, uint8_t iface_index, |
---|
1020 | uint32_t lba, uint32_t blocks, void *buffer) |
---|
1021 | { |
---|
1022 | struct bbb_transfer *sc; |
---|
1023 | uint8_t cmd[10]; |
---|
1024 | usb_error_t err; |
---|
1025 | |
---|
1026 | cmd[0] = 0x28; /* READ_10 */ |
---|
1027 | cmd[1] = 0; |
---|
1028 | cmd[2] = lba >> 24; |
---|
1029 | cmd[3] = lba >> 16; |
---|
1030 | cmd[4] = lba >> 8; |
---|
1031 | cmd[5] = lba >> 0; |
---|
1032 | cmd[6] = 0; |
---|
1033 | cmd[7] = blocks >> 8; |
---|
1034 | cmd[8] = blocks; |
---|
1035 | cmd[9] = 0; |
---|
1036 | |
---|
1037 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
1038 | if (sc == NULL) |
---|
1039 | return (USB_ERR_INVAL); |
---|
1040 | |
---|
1041 | err = bbb_command_start(sc, DIR_IN, 0, buffer, |
---|
1042 | blocks * SCSI_FIXED_BLOCK_SIZE, cmd, 10, USB_MS_HZ); |
---|
1043 | |
---|
1044 | bbb_detach(sc); |
---|
1045 | |
---|
1046 | return (err); |
---|
1047 | } |
---|
1048 | |
---|
1049 | usb_error_t |
---|
1050 | usb_msc_write_10(struct usb_device *udev, uint8_t iface_index, |
---|
1051 | uint32_t lba, uint32_t blocks, void *buffer) |
---|
1052 | { |
---|
1053 | struct bbb_transfer *sc; |
---|
1054 | uint8_t cmd[10]; |
---|
1055 | usb_error_t err; |
---|
1056 | |
---|
1057 | cmd[0] = 0x2a; /* WRITE_10 */ |
---|
1058 | cmd[1] = 0; |
---|
1059 | cmd[2] = lba >> 24; |
---|
1060 | cmd[3] = lba >> 16; |
---|
1061 | cmd[4] = lba >> 8; |
---|
1062 | cmd[5] = lba >> 0; |
---|
1063 | cmd[6] = 0; |
---|
1064 | cmd[7] = blocks >> 8; |
---|
1065 | cmd[8] = blocks; |
---|
1066 | cmd[9] = 0; |
---|
1067 | |
---|
1068 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
1069 | if (sc == NULL) |
---|
1070 | return (USB_ERR_INVAL); |
---|
1071 | |
---|
1072 | err = bbb_command_start(sc, DIR_OUT, 0, buffer, |
---|
1073 | blocks * SCSI_FIXED_BLOCK_SIZE, cmd, 10, USB_MS_HZ); |
---|
1074 | |
---|
1075 | bbb_detach(sc); |
---|
1076 | |
---|
1077 | return (err); |
---|
1078 | } |
---|
1079 | |
---|
1080 | usb_error_t |
---|
1081 | usb_msc_read_capacity(struct usb_device *udev, uint8_t iface_index, |
---|
1082 | uint32_t *lba_last, uint32_t *block_size) |
---|
1083 | { |
---|
1084 | struct bbb_transfer *sc; |
---|
1085 | usb_error_t err; |
---|
1086 | |
---|
1087 | sc = bbb_attach(udev, iface_index, UICLASS_MASS); |
---|
1088 | if (sc == NULL) |
---|
1089 | return (USB_ERR_INVAL); |
---|
1090 | |
---|
1091 | err = bbb_command_start(sc, DIR_IN, 0, sc->buffer, 8, |
---|
1092 | &scsi_read_capacity, sizeof(scsi_read_capacity), |
---|
1093 | USB_MS_HZ); |
---|
1094 | |
---|
1095 | *lba_last = |
---|
1096 | (sc->buffer[0] << 24) | |
---|
1097 | (sc->buffer[1] << 16) | |
---|
1098 | (sc->buffer[2] << 8) | |
---|
1099 | (sc->buffer[3]); |
---|
1100 | |
---|
1101 | *block_size = |
---|
1102 | (sc->buffer[4] << 24) | |
---|
1103 | (sc->buffer[5] << 16) | |
---|
1104 | (sc->buffer[6] << 8) | |
---|
1105 | (sc->buffer[7]); |
---|
1106 | |
---|
1107 | /* we currently only support one block size */ |
---|
1108 | if (*block_size != SCSI_FIXED_BLOCK_SIZE) |
---|
1109 | err = USB_ERR_INVAL; |
---|
1110 | |
---|
1111 | bbb_detach(sc); |
---|
1112 | |
---|
1113 | return (err); |
---|
1114 | } |
---|