linux/arch/sparc/include/asm/hvtramp.h
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   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
   9struct hvtramp_mapping {
  10        __u64           vaddr;
  11        __u64           tte;
  12};
  13
  14struct 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
  23void 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