#ifndef __ASM_SMPBOOT_H #define __ASM_SMPBOOT_H /*emum for clustered_apic_mode values*/ enum{ CLUSTERED_APIC_NONE = 0, CLUSTERED_APIC_XAPIC, CLUSTERED_APIC_NUMAQ }; #ifdef CONFIG_MULTIQUAD #define clustered_apic_mode (CLUSTERED_APIC_NUMAQ) #else /* !CONFIG_MULTIQUAD */ #define clustered_apic_mode (CLUSTERED_APIC_NONE) #endif /* CONFIG_MULTIQUAD */ #ifdef CONFIG_X86_LOCAL_APIC extern unsigned char esr_disable; static inline int target_cpus(void) { switch(clustered_apic_mode){ case CLUSTERED_APIC_NUMAQ: /* Broadcast intrs to local quad only. */ return APIC_BROADCAST_ID_APIC; default: } return cpu_online_map; } #ifdef CONFIG_X86_IO_APIC extern unsigned char int_delivery_mode; extern unsigned int int_dest_addr_mode; #define INT_DEST_ADDR_MODE (int_dest_addr_mode) #define INT_DELIVERY_MODE (int_delivery_mode) #endif /* CONFIG_X86_IO_APIC */ #else /* CONFIG_X86_LOCAL_APIC */ #define esr_disable (0) #define target_cpus() (0x01) #ifdef CONFIG_X86_IO_APIC #define INT_DEST_ADDR_MODE (APIC_DEST_LOGICAL) /* logical delivery */ #define INT_DELIVERY_MODE (dest_LowestPrio) #endif /* CONFIG_X86_IO_APIC */ #endif /* CONFIG_X86_LOCAL_APIC */ #define TRAMPOLINE_LOW phys_to_virt((clustered_apic_mode == CLUSTERED_APIC_NUMAQ)?0x8:0x467) #define TRAMPOLINE_HIGH phys_to_virt((clustered_apic_mode == CLUSTERED_APIC_NUMAQ)?0xa:0x469) #define boot_cpu_apicid ((clustered_apic_mode == CLUSTERED_APIC_NUMAQ)?boot_cpu_logical_apicid:boot_cpu_physical_apicid) /* * How to map from the cpu_present_map */ static inline int cpu_present_to_apicid(int mps_cpu) { if(clustered_apic_mode == CLUSTERED_APIC_NUMAQ) return (mps_cpu/4)*16 + (1<<(mps_cpu%4)); return mps_cpu; } #define physical_to_logical_apicid(phys_apic) ( (1ul << (phys_apic & 0x3)) | (phys_apic & 0xF0u) ) /* * Mappings between logical cpu number and logical / physical apicid * The first four macros are trivial, but it keeps the abstraction consistent */ extern volatile int logical_apicid_2_cpu[]; extern volatile int cpu_2_logical_apicid[]; extern volatile int physical_apicid_2_cpu[]; extern volatile int cpu_2_physical_apicid[]; #define logical_apicid_to_cpu(apicid) logical_apicid_2_cpu[apicid] #define cpu_to_logical_apicid(cpu) cpu_2_logical_apicid[cpu] #define physical_apicid_to_cpu(apicid) physical_apicid_2_cpu[apicid] #define cpu_to_physical_apicid(cpu) cpu_2_physical_apicid[cpu] #ifdef CONFIG_MULTIQUAD /* use logical IDs to bootstrap */ #define boot_apicid_to_cpu(apicid) logical_apicid_2_cpu[apicid] #define cpu_to_boot_apicid(cpu) cpu_2_logical_apicid[cpu] #else /* !CONFIG_MULTIQUAD */ /* use physical IDs to bootstrap */ #define boot_apicid_to_cpu(apicid) physical_apicid_2_cpu[apicid] #define cpu_to_boot_apicid(cpu) cpu_2_physical_apicid[cpu] #endif /* CONFIG_MULTIQUAD */ #endif