mirror of
https://github.com/hermitcore/libhermit.git
synced 2025-03-09 00:00:03 +01:00
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2010-2015, Stefan Lankes, RWTH Aachen University
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* * Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions are met:
|
||
|
|
* * Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* * 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.
|
||
|
|
* * Neither the name of the University 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 REGENTS 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Stefan Lankes
|
||
|
|
* @file arch/aarch64/include/asm/pci.h
|
||
|
|
* @brief functions related to PCI initialization and information
|
||
|
|
*
|
||
|
|
* This file contains a procedure to initialize the PCI environment
|
||
|
|
* and functions to access information about specific PCI devices.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ARCH_PCI_H__
|
||
|
|
#define __ARCH_PCI_H__
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t base[6];
|
||
|
|
uint32_t size[6];
|
||
|
|
uint32_t irq;
|
||
|
|
} pci_info_t;
|
||
|
|
|
||
|
|
#define PCI_IGNORE_SUBID (0)
|
||
|
|
|
||
|
|
/** @brief Initialize the PCI environment
|
||
|
|
*/
|
||
|
|
int pci_init(void);
|
||
|
|
|
||
|
|
/** @brief Determine the IObase address and the interrupt number of a specific device
|
||
|
|
*
|
||
|
|
* @param vendor_id The device's vendor ID
|
||
|
|
* @param device_id The device's ID
|
||
|
|
* @param subystem_id The subsystem DI
|
||
|
|
* @param info Pointer to the record pci_info_t where among other the IObase address will be stored
|
||
|
|
* @param enable_bus_master If true, the bus mastering will be enabled.
|
||
|
|
*
|
||
|
|
* @return
|
||
|
|
* - 0 on success
|
||
|
|
* - -EINVAL (-22) on failure
|
||
|
|
*/
|
||
|
|
int pci_get_device_info(uint32_t vendor_id, uint32_t device_id, uint32_t subsystem_id, pci_info_t* info, int8_t enble_bus_master);
|
||
|
|
|
||
|
|
/** @brief Print information of existing pci adapters
|
||
|
|
*
|
||
|
|
* @return 0 in any case
|
||
|
|
*/
|
||
|
|
int print_pci_adapters(void);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|