xref: /openbmc/linux/arch/sparc/include/asm/hvtramp.h (revision 4f3db074)
1 #ifndef _SPARC64_HVTRAP_H
2 #define _SPARC64_HVTRAP_H
3 
4 #ifndef __ASSEMBLY__
5 
6 #include <linux/types.h>
7 
8 struct hvtramp_mapping {
9 	__u64		vaddr;
10 	__u64		tte;
11 };
12 
13 struct hvtramp_descr {
14 	__u32			cpu;
15 	__u32			num_mappings;
16 	__u64			fault_info_va;
17 	__u64			fault_info_pa;
18 	__u64			thread_reg;
19 	struct hvtramp_mapping	maps[1];
20 };
21 
22 void hv_cpu_startup(unsigned long hvdescr_pa);
23 
24 #endif
25 
26 #define HVTRAMP_DESCR_CPU		0x00
27 #define HVTRAMP_DESCR_NUM_MAPPINGS	0x04
28 #define HVTRAMP_DESCR_FAULT_INFO_VA	0x08
29 #define HVTRAMP_DESCR_FAULT_INFO_PA	0x10
30 #define HVTRAMP_DESCR_THREAD_REG	0x18
31 #define HVTRAMP_DESCR_MAPS		0x20
32 
33 #define HVTRAMP_MAPPING_VADDR		0x00
34 #define HVTRAMP_MAPPING_TTE		0x08
35 #define HVTRAMP_MAPPING_SIZE		0x10
36 
37 #endif /* _SPARC64_HVTRAP_H */
38