1 /* SPDX-License-Identifier: GPL-2.0 */ 1
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
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