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通往春天的管道 ....................................................................... 60 传说中的URB ........................................................................... 66 心锁 ........................................................................................... 72 第一次亲密接触(一)................................................................. 74 第一次亲密接触(二)................................................................. 78 第一次亲密接触(三)................................................................. 82 第一次亲密接触(四)................................................................. 84 将控制传输进行到底 ............................................................... 87 横空出世的scsi ......................................................................... 90 谁是最变态的结构体 ............................................................... 94 <strong>Scsi</strong> 数据结构-像雾像雨又像风............................................ 104 彼岸花的传说(一)................................................................... 110 彼岸花的传说(二)................................................................... 111 彼岸花的传说(三)................................................................... 116 彼岸花的传说(四)................................................................... 119 彼岸花的传说(五)................................................................... 125 彼岸花的传说(六)................................................................... 130 彼岸花的传说(七)................................................................... 133 彼岸花的传说(八)................................................................... 137 彼岸花的传说(The End) ......................................................... 140 scsi 命令之我型我秀 ........................................................... 141 迷雾重重的bulk 传输(一).................................................... 144
迷雾重重的Bulk 传输(二).................................................... 150 迷雾重重的Bulk 传输(三).................................................... 154 迷雾重重的Bulk 传输(四).................................................... 158 迷雾重重的Bulk 传输(五).................................................... 163 迷雾重重的Bulk 传输(六).................................................... 165 跟着感觉走(一) ..................................................................... 170 跟着感觉走(二) ..................................................................... 172 光荣属于苹果,属于诺基亚,属于摩托罗拉,属于索尼爱立信! ................................................................................................. 178 有多少爱可以胡来?(一) ....................................................... 181 有多少爱可以胡来?(二) ....................................................... 186 当梦醒了天晴了 ..................................................................... 191 其实世上本有路,走的人多了,也便没了路.......................... 195
Page 1: 摘要 ............................
Page 5 and 6: 引子也许是在复旦养成了
Page 7 and 8: usb.h datafab.h dpcm.h initializers
Page 9 and 10: 的Linux 内核划分为许许多
Page 11 and 12: 目录下执行make 了.Ok,make 之
Page 13 and 14: 只是一个usb 接口.这些口
Page 15 and 16: 中也定义了这么一些数据
Page 17 and 18: 511 * @driver: the driver model cor
Page 19 and 20: 233 .owner = THIS_MODULE, 234 .name
Page 21 and 22: 91 * construct these entries. Each
Page 23 and 24: 324 struct usb_host_config *actconf
Page 25 and 26: 22 88 * @class_dev: driver model's
Page 27 and 28: 必须给各个地方取名,完了
Page 29 and 30: 26 136 trans_cmnd transport; /* tra
Page 31 and 32: 944 init_MUTEX_LOCKED(&(us->sema));
Page 33 and 34: 147 #if !defined(CONFIG_BLK_DEV_UB)
Page 35 and 36: 124 #define USB_DEVICE_ID_MATCH_DEV
Page 37 and 38: intf 来代替. us 之所以重要,
Page 39 and 40: 睡眠,那就得用GPF_ATOMIC,这
Page 41 and 42: 504 if (msg >= 0 && !(unusual_dev->
Page 43 and 44: 179 } 180 181 static struct us_unus
Page 45 and 46: 711 /* Submitted by Hartmut Wahl */
Page 47 and 48: 3. useProtocol 为US_SC_DEVICE, use
Page 49 and 50: Bus 004 Device 001: ID 0000:0000 Bu
Page 51 and 52: 993 result = get_pipes(us); 994 if
Page 53 and 54:
631 us->transport_reset = usb_stor_
Page 55 and 56:
659 us->max_lun = 0; 660 break; 661
Page 57 and 58:
740 /* Calculate and store the pipe
Page 59 and 60:
storage 会有两个bulk 端点,用
Page 61 and 62:
比如说,复旦大学,有一个主
Page 63 and 64:
1079 #define PIPE_ISOCHRONOUS 0 108
Page 65 and 66:
782 us->unusual_dev->initFunction(u
Page 67 and 68:
630 * each frame is in the fields o
Page 69 and 70:
716 * Bulk URBs may 717 * use the U
Page 71 and 72:
802 int number_of_packets; /* (in)
Page 73 and 74:
先说互斥锁.它诞生于这样
Page 75 and 76:
920 US_DEBUGP("GetMaxLUN command re
Page 77 and 78:
148 /* set up data structures for t
Page 79 and 80:
90 * @wValue: matches the USB wValu
Page 81 and 82:
830 void *transfer_buffer, 831 int
Page 83 and 84:
25 { 26 x->done = 0; 27 init_waitqu
Page 85 and 86:
都会过期,我开始怀疑,在这
Page 87 and 88:
是实际长度,要么就是不成
Page 89 and 90:
87 258 行,usb_pipeendpoint,定义
Page 91 and 92:
对爱你的人掘了一条无法
Page 93 and 94:
Type: Direct-Access ANSI SCSI revis
Page 95 and 96:
416 /* 417 * this defines our host
Page 97 and 98:
69 * Ioctl interface 70 * 71 * Stat
Page 99 and 100:
155 * "is this a new device" checks
Page 101 and 102:
241 char *proc_name; 242 243 /* 244
Page 103 and 104:
328 * True if the low-level driver
Page 105 and 106:
可以看到这个函数的参数
Page 107 and 108:
451 short unsigned int max_sectors;
Page 109 and 110:
地说明了为啥咱们要显式
Page 111 and 112:
usb_stor_acquire_resources()函数
Page 113 and 114:
341 } 342 343 /* reject if target !
Page 115 and 116:
内核的核心位置,kernel/exit.c
Page 117 and 118:
1023 dissociate_dev(us); 1024 retur
Page 119 and 120:
917 行,再次判断设备有没有
Page 121 and 122:
181 182 /* fail the command if we a
Page 123 and 124:
83 struct timer_list eh_timeout; /*
Page 125 and 126:
123 两个scsi_done,一个是struct
Page 127 and 128:
56 jiffie count on our counter, the
Page 129 and 130:
中看到如下的定义: UNUSUAL_
Page 131 and 132:
269 memcpy(data+16, us->unusual_dev
Page 133 and 134:
一切准备好了之后,我们就
Page 135 and 136:
238 (sg->offset + *offset) & (PAGE_
Page 137 and 138:
所以对于那些不能相应INQUI
Page 139 and 140:
239 行对unsigned int sglen 赋值
Page 141 and 142:
请求,所以这里就判断abort
Page 143 and 144:
112 case GPCMD_READ_HEADER: what =
Page 145 and 146:
到北京,每每只有在夜深人
Page 147 and 148:
580 /* 581 * If we have a failure,
Page 149 and 150:
666 memcpy(srb->cmnd, old_cmnd, MAX
Page 151 and 152:
950 struct bulk_cb_wrap *bcb = (str
Page 153 and 154:
1034 /* get the status again */ 103
Page 155 and 156:
426 /* store the actual length of t
Page 157 and 158:
后她会给host 返回一个CSW.CB
Page 159 and 160:
296 } 297 298 US_DEBUGP("-- transfe
Page 161 and 162:
491 * scatter-gather or not, and ac
Page 163 and 164:
迷雾重重的 Bulk 传输(五) us
Page 165 and 166:
然后把她赋给了result.而us->
Page 167 and 168:
而bcs->Status,标志命令执行
Page 169 and 170:
就必须设置US_FL_IGNORE_RESIDUE
Page 171 and 172:
485 }; 486 这是一个字符数组
Page 173 and 174:
srb->sense_buffer 里边的东西.S
Page 175 and 176:
一个类似的函数,名叫usb_sto
Page 177 and 178:
这种命令应该由mid level 来
Page 179 and 180:
Disk /dev/sda: 146.1 GB, 1461631057
Page 181 and 182:
through to the most significant bit
Page 183 and 184:
1192 USB_TYPE_CLASS | USB_RECIP_INT
Page 185 and 186:
315 行,scsi_report_device_reset(),
Page 187 and 188:
285 US_DEBUGP("No reset during disc
Page 189 and 190:
229 /* Wait for the aborted command
Page 191 and 192:
两个函数中需要判断它,一
Page 193 and 194:
associate_dev()相对应.我们来
Page 195 and 196:
束for 死循环,从而usb_stor_con
Page 197 and 198:
317 for (i = 1; i < us->host->max_i
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