xref: /OK3568_Linux_fs/kernel/arch/sparc/include/asm/hvtramp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _SPARC64_HVTRAP_H
3*4882a593Smuzhiyun #define _SPARC64_HVTRAP_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifndef __ASSEMBLY__
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/types.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct hvtramp_mapping {
10*4882a593Smuzhiyun 	__u64		vaddr;
11*4882a593Smuzhiyun 	__u64		tte;
12*4882a593Smuzhiyun };
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct hvtramp_descr {
15*4882a593Smuzhiyun 	__u32			cpu;
16*4882a593Smuzhiyun 	__u32			num_mappings;
17*4882a593Smuzhiyun 	__u64			fault_info_va;
18*4882a593Smuzhiyun 	__u64			fault_info_pa;
19*4882a593Smuzhiyun 	__u64			thread_reg;
20*4882a593Smuzhiyun 	struct hvtramp_mapping	maps[1];
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun void hv_cpu_startup(unsigned long hvdescr_pa);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #define HVTRAMP_DESCR_CPU		0x00
28*4882a593Smuzhiyun #define HVTRAMP_DESCR_NUM_MAPPINGS	0x04
29*4882a593Smuzhiyun #define HVTRAMP_DESCR_FAULT_INFO_VA	0x08
30*4882a593Smuzhiyun #define HVTRAMP_DESCR_FAULT_INFO_PA	0x10
31*4882a593Smuzhiyun #define HVTRAMP_DESCR_THREAD_REG	0x18
32*4882a593Smuzhiyun #define HVTRAMP_DESCR_MAPS		0x20
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define HVTRAMP_MAPPING_VADDR		0x00
35*4882a593Smuzhiyun #define HVTRAMP_MAPPING_TTE		0x08
36*4882a593Smuzhiyun #define HVTRAMP_MAPPING_SIZE		0x10
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif /* _SPARC64_HVTRAP_H */
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