diff options
Diffstat (limited to 'arch/sparc/include/asm/hvtramp.h')
| -rw-r--r-- | arch/sparc/include/asm/hvtramp.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h new file mode 100644 index 000000000..688ea43af --- /dev/null +++ b/arch/sparc/include/asm/hvtramp.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _SPARC64_HVTRAP_H +#define _SPARC64_HVTRAP_H + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +struct hvtramp_mapping { + __u64 vaddr; + __u64 tte; +}; + +struct hvtramp_descr { + __u32 cpu; + __u32 num_mappings; + __u64 fault_info_va; + __u64 fault_info_pa; + __u64 thread_reg; + struct hvtramp_mapping maps[1]; +}; + +void hv_cpu_startup(unsigned long hvdescr_pa); + +#endif + +#define HVTRAMP_DESCR_CPU 0x00 +#define HVTRAMP_DESCR_NUM_MAPPINGS 0x04 +#define HVTRAMP_DESCR_FAULT_INFO_VA 0x08 +#define HVTRAMP_DESCR_FAULT_INFO_PA 0x10 +#define HVTRAMP_DESCR_THREAD_REG 0x18 +#define HVTRAMP_DESCR_MAPS 0x20 + +#define HVTRAMP_MAPPING_VADDR 0x00 +#define HVTRAMP_MAPPING_TTE 0x08 +#define HVTRAMP_MAPPING_SIZE 0x10 + +#endif /* _SPARC64_HVTRAP_H */ |