| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_SMP_H |
| #define __ASM_SMP_H |
| |
| extern int init_per_cpu(int cpuid); |
| |
| #if defined(CONFIG_SMP) |
| |
| /* Page Zero Location PDC will look for the address to branch to when we poke |
| ** slave CPUs still in "Icache loop". |
| */ |
| #define PDC_OS_BOOT_RENDEZVOUS 0x10 |
| #define PDC_OS_BOOT_RENDEZVOUS_HI 0x28 |
| |
| #ifndef ASSEMBLY |
| #include <linux/bitops.h> |
| #include <linux/threads.h> /* for NR_CPUS */ |
| #include <linux/cpumask.h> |
| typedef unsigned long address_t; |
| |
| |
| /* |
| * Private routines/data |
| * |
| * physical and logical are equivalent until we support CPU hotplug. |
| */ |
| #define cpu_number_map(cpu) (cpu) |
| #define cpu_logical_map(cpu) (cpu) |
| |
| extern void smp_send_all_nop(void); |
| |
| extern void arch_send_call_function_single_ipi(int cpu); |
| extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); |
| |
| #define raw_smp_processor_id() (current_thread_info()->cpu) |
| |
| #endif /* !ASSEMBLY */ |
| |
| #else /* CONFIG_SMP */ |
| |
| static inline void smp_send_all_nop(void) { return; } |
| |
| #endif |
| |
| #define NO_PROC_ID 0xFF /* No processor magic marker */ |
| #define ANY_PROC_ID 0xFF /* Any processor magic marker */ |
| int __cpu_disable(void); |
| void __cpu_die(unsigned int cpu); |
| |
| #endif /* __ASM_SMP_H */ |