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Linux/USB

usbcore

Top / usbcore

機能

• debug infrastructure
• usbfs
• Device Management
• Power Management
• USB Hub Driver
• USB Host Driver

Linux/USBクラスドライバ?

• usbhid

init

• drivers/usb/core/usb.c
  • subsys_initcall(usb_init);
  • module_exit?(usb_exit?);

.config

• CONFIG_USB - Support for Host-side USB

ソースコード

ディレクトリ

• drivers/usb/core

Makefile

• drivers/usb/core/Makefile

  usbcore-y := usb.o hub.o hcd.o urb.o message.o driver.o
  usbcore-y += config.o file.o buffer.o sysfs.o endpoint.o
  usbcore-y += devio.o notify.o generic.o quirks.o devices.o
  usbcore-y += port.o

ファイル

• drivers/usb/core/usb.c
• drivers/usb/core/hub.c
• drivers/usb/core/hcd.c
• drivers/usb/core/urb.c
• drivers/usb/core/message.c?
• drivers/usb/core/driver.c
• drivers/usb/core/config.c?
• drivers/usb/core/file.c
• drivers/usb/core/buffer.c?
• drivers/usb/core/sysfs.c
• drivers/usb/core/endpoint.c?
• drivers/usb/core/devio.c
• drivers/usb/core/notify.c
• drivers/usb/core/generic.c
• drivers/usb/core/quirks.c?
• drivers/usb/core/devices.c
• drivers/usb/core/port.c?

dmesg

Ubuntu 15.04

• [    0.292733] ACPI: bus type USB registered
  [    0.292749] usbcore: registered new interface driver usbfs
  [    0.292756] usbcore: registered new interface driver hub
  [    0.292783] usbcore: registered new device driver usb
  ...
  [    9.060311] usbcore: registered new interface driver usbhid
  [    9.060319] usbhid: USB HID core driver

• registered new interface driver usbfs/hub?
• registered new device driver usb?

参考

• https://www.kernel.org/doc/htmldocs/usb/usbcore.html