Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
835 B
C
29 lines
835 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2023 Renesas Electronics Corp.
|
|
*/
|
|
|
|
#ifndef __ASM_DMA_NONCOHERENT_H
|
|
#define __ASM_DMA_NONCOHERENT_H
|
|
|
|
#include <linux/dma-direct.h>
|
|
|
|
/*
|
|
* struct riscv_nonstd_cache_ops - Structure for non-standard CMO function pointers
|
|
*
|
|
* @wback: Function pointer for cache writeback
|
|
* @inv: Function pointer for invalidating cache
|
|
* @wback_inv: Function pointer for flushing the cache (writeback + invalidating)
|
|
*/
|
|
struct riscv_nonstd_cache_ops {
|
|
void (*wback)(phys_addr_t paddr, size_t size);
|
|
void (*inv)(phys_addr_t paddr, size_t size);
|
|
void (*wback_inv)(phys_addr_t paddr, size_t size);
|
|
};
|
|
|
|
extern struct riscv_nonstd_cache_ops noncoherent_cache_ops;
|
|
|
|
void riscv_noncoherent_register_cache_ops(const struct riscv_nonstd_cache_ops *ops);
|
|
|
|
#endif /* __ASM_DMA_NONCOHERENT_H */
|