drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.h
Extension
.h
Size
2297 bytes
Lines
73
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 __OCTEON_MEM_OPS_H__
#define __OCTEON_MEM_OPS_H__

/**  Read a 64-bit value from a BAR1 mapped core memory address.
 *   @param  oct        -  pointer to the octeon device.
 *   @param  core_addr  -  the address to read from.
 *
 *   The range_idx gives the BAR1 index register for the range of address
 *   in which core_addr is mapped.
 *
 *   @return  64-bit value read from Core memory
 */
u64 octeon_read_device_mem64(struct octeon_device *oct, u64 core_addr);

/**  Read a 32-bit value from a BAR1 mapped core memory address.
 *   @param  oct        -  pointer to the octeon device.
 *   @param  core_addr  -  the address to read from.
 *
 *   @return  32-bit value read from Core memory
 */
u32 octeon_read_device_mem32(struct octeon_device *oct, u64 core_addr);

/**  Write a 32-bit value to a BAR1 mapped core memory address.
 *   @param  oct        -  pointer to the octeon device.
 *   @param  core_addr  -  the address to write to.
 *   @param  val        -  32-bit value to write.
 */
void
octeon_write_device_mem32(struct octeon_device *oct,
			  u64 core_addr,
			  u32 val);

/** Read multiple bytes from Octeon memory.
 */
void
octeon_pci_read_core_mem(struct octeon_device *oct,
			 u64 coreaddr,
			 u8 *buf,
			 u32 len);

/** Write multiple bytes into Octeon memory.
 */
void
octeon_pci_write_core_mem(struct octeon_device *oct,
			  u64 coreaddr,
			  const u8 *buf,
			  u32 len);

#endif

Annotation

Implementation Notes