diff options
Diffstat (limited to 'arch/parisc/include/asm/smp.h')
-rw-r--r-- | arch/parisc/include/asm/smp.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h new file mode 100644 index 0000000000..94d1f21ce9 --- /dev/null +++ b/arch/parisc/include/asm/smp.h @@ -0,0 +1,50 @@ +/* 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 */ |