/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * PS3 Storage Devices
 *
 * Copyright (C) 2007 Sony Computer Entertainment Inc.
 * Copyright 2007 Sony Corp.
 */

#ifndef _ASM_POWERPC_PS3STOR_H_
#define _ASM_POWERPC_PS3STOR_H_

#include <linux/interrupt.h>

#include <asm/ps3.h>


struct ps3_storage_region {
        unsigned int id;
        u64 start;
        u64 size;
};

struct ps3_storage_device {
        struct ps3_system_bus_device sbd;

        struct ps3_dma_region dma_region;
        unsigned int irq;
        u64 blk_size;

        u64 tag;
        u64 lv1_status;
        struct completion done;

        unsigned long bounce_size;
        void *bounce_buf;
        u64 bounce_lpar;
        dma_addr_t bounce_dma;

        unsigned int num_regions;
        unsigned long accessible_regions;
        unsigned int region_idx;                /* first accessible region */
        struct ps3_storage_region regions[];    /* Must be last */
};

static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
{
        return container_of(dev, struct ps3_storage_device, sbd.core);
}

extern int ps3stor_setup(struct ps3_storage_device *dev,
                         irq_handler_t handler);
extern void ps3stor_teardown(struct ps3_storage_device *dev);
extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
                                      u64 start_sector, u64 sectors,
                                      int write);
extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
                                u64 arg1, u64 arg2, u64 arg3, u64 arg4);

#endif /* _ASM_POWERPC_PS3STOR_H_ */