zxfoundation::sys::zxio::io_binding Struct Reference

Describes the binding of a CSS device to a user domain. More...

Collaboration diagram for zxfoundation::sys::zxio::io_binding:

Data Fields
u8	_reserved {0}
u8	allowed_lpm {0}
u32	completion_count {0}
u32	completion_dropped {0}
u32	completion_head {0}
u32	completion_tail {0}
io_completion	completions [IO_COMPLETION_DEPTH] {}
u16	dev_no {}
	Device number (opaque handle, CSS-IO boundary).
u64	dma_base {0}
	DMA-able memory base (physical).
memory::objects::memory_object_ref	dma_extent {}
	Exact map authority for DMA pages.
u64	dma_size {0}
	DMA memory size.
memory::objects::memory_object_ref	dma_storage {}
scoms::kobject::bobject	ko {}
	SCOMS identity (offset 0).
io_substate	op_state {io_substate::bound}
u32	owner_domain {~0U}
	Domain that owns this binding.
u64	pending_request_id {0}
u16	sch_index {0xFFFF}
	Subchannel table index.
u8	storage_key {0}
u32	storage_key_generation {0}
bool	teardown_started {false}

Detailed Description

Describes the binding of a CSS device to a user domain.

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The documentation for this struct was generated from the following file:

• zxfoundation/sys/zxio.zcomponent/types.cxxm