drivers/net/ethernet/intel/iavf/iavf_alloc.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/intel/iavf/iavf_alloc.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/intel/iavf/iavf_alloc.h
Extension
.h
Size
1139 bytes
Lines
34
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _IAVF_ALLOC_H_
#define _IAVF_ALLOC_H_

struct iavf_hw;

/* Memory allocation types */
enum iavf_memory_type {
	iavf_mem_arq_buf = 0,		/* ARQ indirect command buffer */
	iavf_mem_asq_buf = 1,
	iavf_mem_atq_buf = 2,		/* ATQ indirect command buffer */
	iavf_mem_arq_ring = 3,		/* ARQ descriptor ring */
	iavf_mem_atq_ring = 4,		/* ATQ descriptor ring */
	iavf_mem_pd = 5,		/* Page Descriptor */
	iavf_mem_bp = 6,		/* Backing Page - 4KB */
	iavf_mem_bp_jumbo = 7,		/* Backing Page - > 4KB */
	iavf_mem_reserved
};

/* prototype for functions used for dynamic memory allocation */
enum iavf_status iavf_allocate_dma_mem(struct iavf_hw *hw,
				       struct iavf_dma_mem *mem,
				       enum iavf_memory_type type,
				       u64 size, u32 alignment);
enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw,
				   struct iavf_dma_mem *mem);
enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw,
					struct iavf_virt_mem *mem, u32 size);
void iavf_free_virt_mem(struct iavf_hw *hw, struct iavf_virt_mem *mem);

#endif /* _IAVF_ALLOC_H_ */

Annotation

Implementation Notes