1. 根目录:
2. drivers
3. net
4. ethernet
5. intel
6. i40evf
7. i40e_osdep.h

/*******************************************************************************
 *
 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
 * Copyright(c) 2013 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 ******************************************************************************/

#ifndef _I40E_OSDEP_H_
#define _I40E_OSDEP_H_

#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/tcp.h>
#include <linux/pci.h>

/* get readq/writeq support for 32 bit kernels, use the low-first version */
#include <asm-generic/io-64-nonatomic-lo-hi.h>

/* File to be the magic between shared code and
 * actual OS primitives
 */

#define hw_dbg(hw, S, A...)	do {} while (0)

#define wr32(a, reg, value)	writel((value), ((a)->hw_addr + (reg)))
#define rd32(a, reg)		readl((a)->hw_addr + (reg))

#define wr64(a, reg, value)	writeq((value), ((a)->hw_addr + (reg)))
#define rd64(a, reg)		readq((a)->hw_addr + (reg))
#define i40e_flush(a)		readl((a)->hw_addr + I40E_VFGEN_RSTAT)

/* memory allocation tracking */
struct i40e_dma_mem {
	void *va;
	dma_addr_t pa;
	u32 size;
} __packed;

#define i40e_allocate_dma_mem(h, m, unused, s, a) \
	i40evf_allocate_dma_mem_d(h, m, s, a)
#define i40e_free_dma_mem(h, m) i40evf_free_dma_mem_d(h, m)

struct i40e_virt_mem {
	void *va;
	u32 size;
} __packed;
#define i40e_allocate_virt_mem(h, m, s) i40evf_allocate_virt_mem_d(h, m, s)
#define i40e_free_virt_mem(h, m) i40evf_free_virt_mem_d(h, m)

#define i40e_debug(h, m, s, ...)  i40evf_debug_d(h, m, s, ##__VA_ARGS__)
extern void i40evf_debug_d(void *hw, u32 mask, char *fmt_str, ...)
	__attribute__ ((format(gnu_printf, 3, 4)));

typedef enum i40e_status_code i40e_status;
#endif /* _I40E_OSDEP_H_ */