mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-14 18:56:55 +07:00
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
|
/*
|
||
|
|
* CCI cache coherent interconnect support
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 ARM Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that 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.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __LINUX_ARM_CCI_H
|
||
|
|
#define __LINUX_ARM_CCI_H
|
||
|
|
|
||
|
|
#include <linux/errno.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
struct device_node;
|
||
|
|
|
||
|
|
#ifdef CONFIG_ARM_CCI
|
||
|
|
extern bool cci_probed(void);
|
||
|
|
extern int cci_ace_get_port(struct device_node *dn);
|
||
|
|
extern int cci_disable_port_by_cpu(u64 mpidr);
|
||
|
|
extern int __cci_control_port_by_device(struct device_node *dn, bool enable);
|
||
|
|
extern int __cci_control_port_by_index(u32 port, bool enable);
|
||
|
|
#else
|
||
|
|
static inline bool cci_probed(void) { return false; }
|
||
|
|
static inline int cci_ace_get_port(struct device_node *dn)
|
||
|
|
{
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; }
|
||
|
|
static inline int __cci_control_port_by_device(struct device_node *dn,
|
||
|
|
bool enable)
|
||
|
|
{
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
static inline int __cci_control_port_by_index(u32 port, bool enable)
|
||
|
|
{
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#define cci_disable_port_by_device(dev) \
|
||
|
|
__cci_control_port_by_device(dev, false)
|
||
|
|
#define cci_enable_port_by_device(dev) \
|
||
|
|
__cci_control_port_by_device(dev, true)
|
||
|
|
#define cci_disable_port_by_index(dev) \
|
||
|
|
__cci_control_port_by_index(dev, false)
|
||
|
|
#define cci_enable_port_by_index(dev) \
|
||
|
|
__cci_control_port_by_index(dev, true)
|
||
|
|
|
||
|
|
#endif
|