xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.c (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
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 /*$FreeBSD$*/
34 
35 #include "ixgbe_osdep.h"
36 #include "ixgbe.h"
37 
38 inline device_t
39 ixgbe_dev_from_hw(struct ixgbe_hw *hw)
40 {
41 	return ((struct adapter *)hw->back)->dev;
42 }
43 
44 inline u16
45 ixgbe_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 
51 inline void
52 ixgbe_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 
58 inline u32
59 ixgbe_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 
66 inline void
67 ixgbe_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 
74 inline u32
75 ixgbe_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 
82 inline void
83 ixgbe_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