#ifndef __ASM_NUMAQ_APIC_H #define __ASM_NUMAQ_APIC_H #include #include #include #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) static inline const cpumask_t *numaq_target_cpus(void) { return &CPU_MASK_ALL; } static inline unsigned long numaq_check_apicid_used(physid_mask_t bitmap, int apicid) { return physid_isset(apicid, bitmap); } static inline unsigned long numaq_check_apicid_present(int bit) { return physid_isset(bit, phys_cpu_present_map); } #define apicid_cluster(apicid) (apicid & 0xF0) static inline int numaq_apic_id_registered(void) { return 1; } static inline void numaq_init_apic_ldr(void) { /* Already done in NUMA-Q firmware */ } static inline void numaq_setup_apic_routing(void) { printk("Enabling APIC mode: %s. Using %d I/O APICs\n", "NUMA-Q", nr_ioapics); } /* * Skip adding the timer int on secondary nodes, which causes * a small but painful rift in the time-space continuum. */ static inline int numaq_multi_timer_check(int apic, int irq) { return apic != 0 && irq == 0; } static inline physid_mask_t numaq_ioapic_phys_id_map(physid_mask_t phys_map) { /* We don't have a good way to do this yet - hack */ return physids_promote(0xFUL); } /* Mapping from cpu number to logical apicid */ extern u8 cpu_2_logical_apicid[]; static inline int numaq_cpu_to_logical_apicid(int cpu) { if (cpu >= nr_cpu_ids) return BAD_APICID; return (int)cpu_2_logical_apicid[cpu]; } /* * Supporting over 60 cpus on NUMA-Q requires a locality-dependent * cpu to APIC ID relation to properly interact with the intelligent * mode of the cluster controller. */ static inline int numaq_cpu_present_to_apicid(int mps_cpu) { if (mps_cpu < 60) return ((mps_cpu >> 2) << 4) | (1 << (mps_cpu & 0x3)); else return BAD_APICID; } static inline int numaq_apicid_to_node(int logical_apicid) { return logical_apicid >> 4; } static inline physid_mask_t numaq_apicid_to_cpu_present(int logical_apicid) { int node = numaq_apicid_to_node(logical_apicid); int cpu = __ffs(logical_apicid & 0xf); return physid_mask_of_physid(cpu + 4*node); } extern void *xquad_portio; static inline int numaq_check_phys_apicid_present(int boot_cpu_physical_apicid) { return 1; } /* * We use physical apicids here, not logical, so just return the default * physical broadcast to stop people from breaking us */ static inline unsigned int cpu_mask_to_apicid(const cpumask_t *cpumask) { return (int) 0xF; } static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *cpumask, const struct cpumask *andmask) { return (int) 0xF; } /* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */ static inline int phys_pkg_id(int cpuid_apic, int index_msb) { return cpuid_apic >> index_msb; } #endif /* __ASM_NUMAQ_APIC_H */