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 #endif 27