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 
9 struct hvtramp_mapping {
10 	__u64		vaddr;
11 	__u64		tte;
12 };
13 
14 struct 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 
23 void 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