LINUX DEVICE DRIVERS 3rd edition phần 9 ppt

... for fiber-channel devices, alloc_fddidev (< ;linux/ fddidevice.h>) for FDDI devices, or alloc_trdev (< ;linux/ trdevice.h>) for token ring devices. snull could use alloc_etherdev without ... Writers of drivers for other types of devices may want to take advantage of one of the other helper functions, such as alloc_fcdev (defined in < ;linux/ fcdevice.h>) for fiber-channel de...

Ngày tải lên: 09/08/2014, 04:21

... mechanism. ,ch01.2168 Page 9 Thursday, January 20, 2005 9: 21 AM Linux Device Drivers, Third Edition by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman Copyright © 2005, 2001, 199 8 O’Reilly Media, ... 288 Assigning an Explicit Size to Data Items 290 Interface-Specific Types 291 Other Portability Issues 292 Linked Lists 295 Quick Reference 299 12. PCI Drivers . . ....

Ngày tải lên: 09/08/2014, 04:21

... These ,ch04.7 697 Page 90 Friday, January 21, 2005 10: 39 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All rights reserved. Char Device Registration | 55 The ... testing. ,ch04.7 697 Page 93 Friday, January 21, 2005 10: 39 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All right...

Ngày tải lên: 09/08/2014, 04:21

... scull_nr_devs; i++) { scull_devices[i].quantum = scull_quantum; scull_devices[i].qset = scull_qset; init_MUTEX(&scull_devices[i].sem); scull_setup_cdev(&scull_devices[i], i); } Note that ... implementing device control this way is that the user can control the device just by writing data, without needing to use (or sometimes write) programs built just for configuring the dev...

Ngày tải lên: 09/08/2014, 04:21

... header files: #include < ;linux/ ioctl.h> Declares all the macros used to define ioctl commands. It is currently included by < ;linux/ fs.h>. ,ch06.87 19 Page 1 79 Friday, January 21, 2005 ... head: #include < ;linux/ sched.h> signed long schedule_timeout(signed long timeout); ,ch07 .91 42 Page 194 Friday, January 21, 2005 10:47 AM This is the Title of the Book, eMatter Edit...

Ngày tải lên: 09/08/2014, 04:21

... perfmon 43: 91 3 696 0 IO-SAPIC-level eth0 47: 26722 146 IO-SAPIC-level usb-uhci 64: 3 6 IO-SAPIC-edge ide0 80: 4 2 IO-SAPIC-edge keyboard 89: 0 0 IO-SAPIC-edge PS/2 Mouse 2 39: 5606341 5606052 ... (truncated) snapshot was taken shortly after the previous one: intr 5167833 5154006 2 0 2 490 7 0 2 68 4 0 4406 92 91 50 0 0 The first number is the total of all interrupts, while each of th...

Ngày tải lên: 09/08/2014, 04:21

... -> / / /devices/pci0000:00/0000:00:07.0 | 0000:00: 09. 0 -> / / /devices/pci0000:00/0000:00: 09. 0 | 0000:00: 09. 1 -> / / /devices/pci0000:00/0000:00: 09. 1 | 0000:00: 09. 2 -> / / /devices/pci0000:00/0000:00: 09. 2 | ... Interface | 305 0038 0048 00 49 004a 0060 0078 0080 0 090 0 098 00a0 $ tree /sys/bus/pci/devices/ /sys/bus/pci/devices/ | 0000:00:00.0 -> / / /devices/pci...

Ngày tải lên: 09/08/2014, 04:21

... idVendor/idProduct/bcdDevice that specifies those USB device- specific fields TYPE A string in the format bDeviceClass/bDeviceSubClass/bDeviceProtocol that speci- fies those USB device- specific fields If the bDeviceClass ... the usual pair of functions: int device_ create_file(struct device *device, struct device_ attribute *entry); void device_ remove_file(struct device *dev, st...

Ngày tải lên: 09/08/2014, 04:21

... Page 4 69 Friday, January 21, 2005 9: 09 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All rights reserved. 476 | Chapter 16: Block Drivers ... below require a pointer to a struct device. This structure is the low-level representation of a device within the Linux device model. It is not something that drivers often have to w...

Ngày tải lên: 09/08/2014, 04:21

... function, 297 list_del function, 297 list_empty function, 297 list_entry macro, 297 list_for_each macro, 299 list.h header file, 299 list_head data structure, 299 list_move function, 297 lists, ... 371–375 lifecycles, 391 – 397 Linux Documentation Project web site, 576 Linux Trace Toolkit (LTT), 105 linux- kernel mailing list, 12, 299 LINUX_ VERSION_CODE macro, 27, 40 list_add f...

Ngày tải lên: 09/08/2014, 04:21