hpios.c File Reference

#include "hpi_internal.h"
#include "hpidebug.h"
#include <linux/delay.h>
#include <linux/sched.h>

Go to the source code of this file.

Macros
#define	SOURCEFILE_NAME   "hpios.c"

Functions
void	hpios_delay_micro_seconds (u32 num_micro_sec)
u16	hpios_locked_mem_alloc (struct consistent_dma_area *p_mem_area, u32 size, struct pci_dev *pdev)
u16	hpios_locked_mem_free (struct consistent_dma_area *p_mem_area)

Macro Definition Documentation

#define SOURCEFILE_NAME   "hpios.c"

Definition at line 23 of file hpios.c.

Function Documentation

void hpios_delay_micro_seconds

(

u32

num_micro_sec

)

Definition at line 29 of file hpios.c.

u16 hpios_locked_mem_alloc	(	struct consistent_dma_area *	p_mem_area,
		u32	size,
		struct pci_dev *	pdev
	)

Allocate an area of locked memory for bus master DMA operations.

If allocation fails, return 1, and *pMemArea.size = 0

Parameters

p_mem_area	memory handle
size	Size in bytes to allocate
pdev	OS specific data required for memory allocation

Definition at line 46 of file hpios.c.

u16 hpios_locked_mem_free

(

struct consistent_dma_area *

locked_mem_handle

)

Free mapping and memory represented by LockedMemHandle

Frees any resources, then invalidates the handle. Returns 0 on success, 1 if handle is invalid.

Definition at line 69 of file hpios.c.