1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _SPARC64_HVTRAP_H
3#define _SPARC64_HVTRAP_H
4
5#ifndef __ASSEMBLY__
6
7#include <linux/types.h>
8
9struct hvtramp_mapping {
10	__u64		vaddr;
11	__u64		tte;
12};
13
14struct hvtramp_descr {
15	__u32			cpu;
16	__u32			num_mappings;
17	__u64			fault_info_va;
18	__u64			fault_info_pa;
19	__u64			thread_reg;
20	struct hvtramp_mapping	maps[1];
21};
22
23void hv_cpu_startup(unsigned long hvdescr_pa);
24
25#endif
26
27#define HVTRAMP_DESCR_CPU		0x00
28#define HVTRAMP_DESCR_NUM_MAPPINGS	0x04
29#define HVTRAMP_DESCR_FAULT_INFO_VA	0x08
30#define HVTRAMP_DESCR_FAULT_INFO_PA	0x10
31#define HVTRAMP_DESCR_THREAD_REG	0x18
32#define HVTRAMP_DESCR_MAPS		0x20
33
34#define HVTRAMP_MAPPING_VADDR		0x00
35#define HVTRAMP_MAPPING_TTE		0x08
36#define HVTRAMP_MAPPING_SIZE		0x10
37
38#endif /* _SPARC64_HVTRAP_H */
39