arch/arm64/include/asm/suspend.h

   1 #ifndef __ASM_SUSPEND_H
   2 #define __ASM_SUSPEND_H
   3
   4 #define NR_CTX_REGS 11
   5
   6 /*
   7  * struct cpu_suspend_ctx must be 16-byte aligned since it is allocated on
   8  * the stack, which must be 16-byte aligned on v8
   9  */
  10 struct cpu_suspend_ctx {
  11         /*
  12          * This struct must be kept in sync with
  13          * cpu_do_{suspend/resume} in mm/proc.S
  14          */
  15         u64 ctx_regs[NR_CTX_REGS];
  16         u64 sp;
  17 } __aligned(16);
  18
  19 struct sleep_save_sp {
  20         phys_addr_t *save_ptr_stash;
  21         phys_addr_t save_ptr_stash_phys;
  22 };
  23
  24 extern int __cpu_suspend(unsigned long arg, int (*fn)(unsigned long));
  25 extern void cpu_resume(void);
  26 extern int cpu_suspend(unsigned long);
  27
  28 #endif