Module io

Memory-mapped IO.

C header: include/asm-generic/io.h

Re-exports

• pub use resource::Resource;

Modules

• mem
  Generic memory-mapped IO.
• poll
  IO polling.
• register
  Macro to define register layout and accessors.
• resource
  Abstractions for system resources.

Macros

• register
  Defines a dedicated type for a register, including getter and setter methods for its fields and methods to read and write it from an Io region.

Structs

• Mmio
  IO-mapped memory region.
• MmioRaw
  Raw representation of an MMIO region.
• RelaxedMmio
  Mmio wrapper using relaxed accessors.

Traits

• Io
  Types implementing this trait (e.g. MMIO BARs or PCI config regions) can perform I/O operations on regions of memory.
• IoCapable
  Trait indicating that an I/O backend supports operations of a certain type and providing an implementation for these operations.
• IoKnownSize
  Trait for types with a known size at compile time.
• IoLoc
  Describes a given I/O location: its offset, width, and type to convert the raw value from and into.

Type Aliases

• PhysAddr
  Physical address type.
• ResourceSize
  Resource Size type.