ixgbe_osdep.c revision 302408 
1/******************************************************************************
2
3  Copyright (c) 2001-2015, Intel Corporation
4  All rights reserved.
5
6  Redistribution and use in source and binary forms, with or without
7  modification, are permitted provided that the following conditions are met:
8
9   1. Redistributions of source code must retain the above copyright notice,
10      this list of conditions and the following disclaimer.
11
12   2. Redistributions in binary form must reproduce the above copyright
13      notice, this list of conditions and the following disclaimer in the
14      documentation and/or other materials provided with the distribution.
15
16   3. Neither the name of the Intel Corporation nor the names of its
17      contributors may be used to endorse or promote products derived from
18      this software without specific prior written permission.
19
20  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
33/*$FreeBSD: stable/11/sys/dev/ixgbe/ixgbe_osdep.c 292674 2015-12-23 22:45:17Z sbruno $*/
34
35#include "ixgbe_osdep.h"
36#include "ixgbe.h"
37
38inline device_t
39ixgbe_dev_from_hw(struct ixgbe_hw *hw)
40{
41	return ((struct adapter *)hw->back)->dev;
42}
43
44inline u16
45ixgbe_read_pci_cfg(struct ixgbe_hw *hw, u32 reg)
46{
47	return pci_read_config(((struct adapter *)hw->back)->dev,
48	    reg, 2);
49}
50
51inline void
52ixgbe_write_pci_cfg(struct ixgbe_hw *hw, u32 reg, u16 value)
53{
54	pci_write_config(((struct adapter *)hw->back)->dev,
55	    reg, value, 2);
56}
57
58inline u32
59ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg)
60{
61	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
62	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
63	    reg);
64}
65
66inline void
67ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 val)
68{
69	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
70	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
71	    reg, val);
72}
73
74inline u32
75ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset)
76{
77	return bus_space_read_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
78	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
79	    reg + (offset << 2));
80}
81
82inline void
83ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, u32 offset, u32 val)
84{
85	bus_space_write_4(((struct adapter *)hw->back)->osdep.mem_bus_space_tag,
86	    ((struct adapter *)hw->back)->osdep.mem_bus_space_handle,
87	    reg + (offset << 2), val);
88}
89