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Dir : ~/usr/src/linux-headers-5.15.0-134/include/linux/

View File Name : goldfish.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/io.h>

/* Helpers for Goldfish virtual platform */

#ifndef gf_ioread32
#define gf_ioread32 ioread32
#endif
#ifndef gf_iowrite32
#define gf_iowrite32 iowrite32
#endif

static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
				void __iomem *porth)
{
	const unsigned long addr = (unsigned long)ptr;

	gf_iowrite32(lower_32_bits(addr), portl);
#ifdef CONFIG_64BIT
	gf_iowrite32(upper_32_bits(addr), porth);
#endif
}

static inline void gf_write_dma_addr(const dma_addr_t addr,
				     void __iomem *portl,
				     void __iomem *porth)
{
	gf_iowrite32(lower_32_bits(addr), portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	gf_iowrite32(upper_32_bits(addr), porth);
#endif
}


#endif /* __LINUX_GOLDFISH_H */