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-2.6.22/drivers # cd usb/
Lfg1:/usr/src/linux-2.6.22/drivers/usb # ls
Kconfig Makefile README atm class core gadget host image misc mon
Serial storage usb-skeleton.c
Note that each directory contains a Kconfig file and Makefile, which is very important. We will introduce it later.
Our story is based on the drivers/usb
USB stick inserted after the Mac in order to make the USB flash drive safe eject, how to do? The first user of the Mac system friends may encounter such questions, in order to protect the USB flash
transmission. Which of the four types of transmission a device can support is the property of the device itself, which is determined during hardware design. For example, a pure USB flash drive must support batch transmission and control transmission. Different transmission requirements have different endpoints, so for a USB
Some people say that the optical drive will not be used in the future. The Blu-ray HD format has just been defeated by the hddvd format, and it is too late to celebrate the victory. The fate of the optical drive will soon be eliminated. With the increase in network bandwidth and the popularization of Mobile 3G/4G, as the capacity of hard disks and USB
Rome was not built in one day. Before making the USB flash drive work, we actually made a lot of preparations for the driver. We continue to follow our feelings. storage_probe (), 972 to 975 rows, and a series of functions named init _ * are called at the moment. here some lock mechanisms and wait mechanisms are involved, but...
Rome was not built in one day. Be
Linux www.2cto.com installed on a virtual machine. If you want Linux to identify a USB flash drive, you need to move the cursor to the virtual machine's linux and then insert it into the USB flash drive,
USB flash drive cracking XP Administrator Password
Method 1
In fact, cracking windows passwords is also very simple. To do this, you must first sharpen the tool. To crack the XP login password, we need to use the "ERD Commander 2003" (ERD) software, which is generally built into the winpe and other system recovery discs. However, the disk is too large to carry
The following describes the usb_stor_control_thread () function. What wakes up is the up ( (us-> sema) from the queuecommand, and us-> sulfate is assigned to the Server Load balancer, in contrast, the Server Load balancer is a parameter passed in when the SCSI core layer calls the queuecommand. Focus on usb_stor_control_thread (). Row 3: As mentioned earlier, we have to look at the dev_mutex lock from a higher perspective after reading the entire module.
Line 3: If us_fw.x_disconnecting is set,
The following describes the usb_stor_control_thread () function. What wakes up is the up ( (US-> SEMA) from the queuecommand, and us-> sulfate is assigned to the Server Load balancer, in contrast, the Server Load balancer is a parameter passed in when the SCSI core layer calls the queuecommand. Focus on usb_stor_control_thread (). Row 3: As mentioned earlier, we have to look at the dev_mutex lock from a higher perspective after reading the entire module.
Line 3: If us_fw.x_disconnecting is set,
unsigned int delay_use = 5;
111 module_param (delay_use, uint, S_IRUGO | S_IWUSR );
112 MODULE_PARM_DESC (delay_use, "seconds todelay before using a new device ");
Set delay_use to 5, while module_param is a macro provided by Linux Kernel 2.6, so that delay_use can be set when the module is loaded. (If this parameter is not set, the value 5 indicates that a new device is waiting for a delay of 5 seconds .) Why latency? When the inserted USB
Teach you how to use a USB flash drive to install the system ● Preparations before installing the system
A USB flash drive that can boot your computer and a system CD image
Prepare something before installing the system. One is
The USB flash drive folder name is changed to the following situation: Why? Objects or @ are different and cannot be deleted. When deleting a file, the system prompts that the file cannot be deleted and the source file or disk cannot be read. Note that most of the garbled files are very large, even dozens of GB.
The cause of this problem is usually caused by abno
The first step is to view all the current disk information and find the device ID of the USB disk. For example:/dev/sdb specific operation method: (1) enter the sudofdisk-l command in the terminal and press enter to view all current disks. (2) Check the USB flash disk or the disk information you need to search for. You can exclude it by knowing the disk size. Aft
How can I install a USB flash drive (mobile hard drive) on kickstart ?? -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. How can I install a USB flash
We followed storage_probe () almost completely, and it seems that everything is about to end, but do you think you haven't understood how the device works so far? USB flash drives are not only USB devices but also "disks". They also need to comply with the USB Mass Storage protocol and Transparent SCSI specifications.
Rome was not built in one day. Before making the USB flash drive work, we actually made a lot of preparations for the driver.
We continue to follow our feelings. storage_probe (), 972 to 975 rows, and a series of functions named init _ * are called at the moment. Here some lock mechanisms and wait mechanisms are involved, however, it is only initialization, but i
Get what we need from the two tables, and then the following code is expanded around the two pointers. (Unusual_dev and id) continue to read get_device_info (). Row 3: record unusual_dev in us. There is also such a member in us. After this is recorded...
Get what we need from the two tables, and then the following code is expanded around the two pointers. (Unusual_dev and id) continue to read get_device_info ().
Row 3: record unusual_dev in us. There is also such a member in us. In this way, i
will have a different ending. When the birds choose to fasten gold on the wings, it means that it gives up its wings and fly high; choosing cloud-sky fight means giving up the burden of being out of the body.
So here, we need to carefully check the path we have chosen. Obviously, we have already said that for a USB flash drive, spec specifies that it belongs to
high; choosing cloud-sky fight means giving up the burden of being out of the body.
So here, we need to carefully check the path we have chosen. Obviously, we have already said that for a USB flash drive, spec specifies that it belongs to the bulk-only transmission mode, that is, its US-> protocol is us_pr_bulk. This is just determined in get_device_info. Theref
Probe, disconnect, id_table, the first of the three elements to appear is id_table. What is it?
We have said that a device can only bind one driver, but the driver does not support only one device. The principle is very simple. For example, if I have two USB flash drives, I can insert them together, but I only need to load one module, USB-storage. I have never he
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