/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_HVTRAP_H
#define _SPARC64_HVTRAP_H

#ifndef __ASSEMBLER__

#include <linux/types.h>

struct hvtramp_mapping {
        __u64           vaddr;
        __u64           tte;
};

struct hvtramp_descr {
        __u32                   cpu;
        __u32                   num_mappings;
        __u64                   fault_info_va;
        __u64                   fault_info_pa;
        __u64                   thread_reg;
        struct hvtramp_mapping  maps[];
};

void hv_cpu_startup(unsigned long hvdescr_pa);

#endif

#define HVTRAMP_DESCR_CPU               0x00
#define HVTRAMP_DESCR_NUM_MAPPINGS      0x04
#define HVTRAMP_DESCR_FAULT_INFO_VA     0x08
#define HVTRAMP_DESCR_FAULT_INFO_PA     0x10
#define HVTRAMP_DESCR_THREAD_REG        0x18
#define HVTRAMP_DESCR_MAPS              0x20

#define HVTRAMP_MAPPING_VADDR           0x00
#define HVTRAMP_MAPPING_TTE             0x08
#define HVTRAMP_MAPPING_SIZE            0x10

#endif /* _SPARC64_HVTRAP_H */