 | Explain the differences between user memory and kernel memory |
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List the major subsystems of the Linux kernel |
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Describe several types of Linux kernel extensions |
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Describe the address space architecture of a 32-bit, Intel-based Linux process |
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List and describe the characteristics of the states of the life cycle of a Linux process |
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Explain how Linux implements file and device Input/Output (I/O) operations |
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Explain how the Linux kernel implements the virtual file system concept |
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Locate the Linux source code and header file directory trees |
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Use the printk( ) function to print messages from within the Linux kernel |
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Build a new Linux kernel |
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Relate the significance of the above objectives to the role of a Linux device driver writer |
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Write, compile, install, and remove simple Linux kernel modules |
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List the modules being used by the kernel |
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Pass parameters into module code when the code is loaded into the kernel |
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Export or prevent the exporting of symbols from one module to another |
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Stack modules |
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Describe the kernel structures used to manage modules |
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Describe how Linux implements the virtual file system concept and how it relates to device I/O |
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Write applications that perform file I/O with a simple character device driver |
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Explain how Linux assigns device major numbers |
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Create a device special file using the mknod command |
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Implement macros that track the current usage of a device driver |
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List the aspects of hardware involved in writing a simple device driver |
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Explain the use of I/O ports and Interrupt Requests (IRQ) |
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Allocate and free I/O ports and IRQ lines |
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Describe how interrupts occur and how to handle them |
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Describe the pin configuration of the parallel port |
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Write data to an I/O port |
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Read data from I/O ports |
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Build a complete character-based device driver |
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Use the ioctl( ) system call to control the behavior of a device driver from an application |
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Explain the logic behind ioctl( ) command values and use macros to manipulate them |
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Copy data from an application in user space to a device driver in kernel space |
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Copy data from a device driver in kernel space to an application in user space |
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Access fields from the task_struct structure of a process that is using the device driver |
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Perform blocking and non-blocking I/O operations |
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Use various time management techniques within a device driver |
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Describe and use various kernel task queues |
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Allocate and deallocate memory from within a device driver |
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Describe the entire scope of Linux interrupt handling |
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Install fast and slow interrupt handlers |
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Install and call bottom half interrupt handlers |
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List and describe many ways of disabling interrupts in Linux |
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Describe many ways of setting IRQs within a Linux device driver |
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Use the /proc file system to help determine IRQs and track number of interrupts |
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Briefly describe the characteristics of the Peripheral Component Interconnect (PCI) hardware environment |
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Describe the address layout of the PCI environment |
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Describe the layout of the PCI configuration header |
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Write a module that detects a PCI device |
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Describe how the functions referenced by a block device driver jump table differ from those referenced by a character device driver |
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Register and unregister a block device driver |
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Create a device driver that supports multiple devices through minor numbers |
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Describe the attributes that the Linux kernel maintains for block device drivers |
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Populate Linux kernel structures with attribute information for a block device |
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Describe the use of the blk_dev_struct structure |
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Code I/O requests for a block device driver |
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Code a block device driver to properly open, close and clean up a block device |
