1b7fbf2be6
Differential Revision: https://reviews.freebsd.org/D3160 Submitted by: erj MFC after: 2 weeks Sponsored by: Intel Corportation
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/******************************************************************************
|
|
|
|
Copyright (c) 2001-2015, Intel Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
3. Neither the name of the Intel Corporation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
******************************************************************************/
|
|
/*$FreeBSD$*/
|
|
|
|
#include "e1000_api.h"
|
|
|
|
/*
|
|
* NOTE: the following routines using the e1000
|
|
* naming style are provided to the shared
|
|
* code but are OS specific
|
|
*/
|
|
|
|
void
|
|
e1000_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
|
|
{
|
|
pci_write_config(((struct e1000_osdep *)hw->back)->dev, reg, *value, 2);
|
|
}
|
|
|
|
void
|
|
e1000_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
|
|
{
|
|
*value = pci_read_config(((struct e1000_osdep *)hw->back)->dev, reg, 2);
|
|
}
|
|
|
|
void
|
|
e1000_pci_set_mwi(struct e1000_hw *hw)
|
|
{
|
|
pci_write_config(((struct e1000_osdep *)hw->back)->dev, PCIR_COMMAND,
|
|
(hw->bus.pci_cmd_word | CMD_MEM_WRT_INVALIDATE), 2);
|
|
}
|
|
|
|
void
|
|
e1000_pci_clear_mwi(struct e1000_hw *hw)
|
|
{
|
|
pci_write_config(((struct e1000_osdep *)hw->back)->dev, PCIR_COMMAND,
|
|
(hw->bus.pci_cmd_word & ~CMD_MEM_WRT_INVALIDATE), 2);
|
|
}
|
|
|
|
/*
|
|
* Read the PCI Express capabilities
|
|
*/
|
|
int32_t
|
|
e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
|
|
{
|
|
device_t dev = ((struct e1000_osdep *)hw->back)->dev;
|
|
u32 offset;
|
|
|
|
pci_find_cap(dev, PCIY_EXPRESS, &offset);
|
|
*value = pci_read_config(dev, offset + reg, 2);
|
|
return (E1000_SUCCESS);
|
|
}
|
|
|
|
/*
|
|
* Write the PCI Express capabilities
|
|
*/
|
|
int32_t
|
|
e1000_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
|
|
{
|
|
device_t dev = ((struct e1000_osdep *)hw->back)->dev;
|
|
u32 offset;
|
|
|
|
pci_find_cap(dev, PCIY_EXPRESS, &offset);
|
|
pci_write_config(dev, offset + reg, *value, 2);
|
|
return (E1000_SUCCESS);
|
|
}
|