diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/mach-bigsmp/mach_apic.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mach-bigsmp/mach_apic.h')
-rw-r--r-- | include/asm-x86/mach-bigsmp/mach_apic.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/asm-x86/mach-bigsmp/mach_apic.h b/include/asm-x86/mach-bigsmp/mach_apic.h new file mode 100644 index 00000000000..ebd319f838a --- /dev/null +++ b/include/asm-x86/mach-bigsmp/mach_apic.h @@ -0,0 +1,158 @@ +#ifndef __ASM_MACH_APIC_H +#define __ASM_MACH_APIC_H + + +extern u8 bios_cpu_apicid[]; + +#define xapic_phys_to_log_apicid(cpu) (bios_cpu_apicid[cpu]) +#define esr_disable (1) + +static inline int apic_id_registered(void) +{ + return (1); +} + +/* Round robin the irqs amoung the online cpus */ +static inline cpumask_t target_cpus(void) +{ + static unsigned long cpu = NR_CPUS; + do { + if (cpu >= NR_CPUS) + cpu = first_cpu(cpu_online_map); + else + cpu = next_cpu(cpu, cpu_online_map); + } while (cpu >= NR_CPUS); + return cpumask_of_cpu(cpu); +} + +#undef APIC_DEST_LOGICAL +#define APIC_DEST_LOGICAL 0 +#define TARGET_CPUS (target_cpus()) +#define APIC_DFR_VALUE (APIC_DFR_FLAT) +#define INT_DELIVERY_MODE (dest_Fixed) +#define INT_DEST_MODE (0) /* phys delivery to target proc */ +#define NO_BALANCE_IRQ (0) +#define WAKE_SECONDARY_VIA_INIT + + +static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) +{ + return (0); +} + +static inline unsigned long check_apicid_present(int bit) +{ + return (1); +} + +static inline unsigned long calculate_ldr(int cpu) +{ + unsigned long val, id; + val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; + id = xapic_phys_to_log_apicid(cpu); + val |= SET_APIC_LOGICAL_ID(id); + return val; +} + +/* + * Set up the logical destination ID. + * + * Intel recommends to set DFR, LDR and TPR before enabling + * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel + * document number 292116). So here it goes... + */ +static inline void init_apic_ldr(void) +{ + unsigned long val; + int cpu = smp_processor_id(); + + apic_write_around(APIC_DFR, APIC_DFR_VALUE); + val = calculate_ldr(cpu); + apic_write_around(APIC_LDR, val); +} + +static inline void setup_apic_routing(void) +{ + printk("Enabling APIC mode: %s. Using %d I/O APICs\n", + "Physflat", nr_ioapics); +} + +static inline int multi_timer_check(int apic, int irq) +{ + return (0); +} + +static inline int apicid_to_node(int logical_apicid) +{ + return (0); +} + +static inline int cpu_present_to_apicid(int mps_cpu) +{ + if (mps_cpu < NR_CPUS) + return (int) bios_cpu_apicid[mps_cpu]; + + return BAD_APICID; +} + +static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) +{ + return physid_mask_of_physid(phys_apicid); +} + +extern u8 cpu_2_logical_apicid[]; +/* Mapping from cpu number to logical apicid */ +static inline int cpu_to_logical_apicid(int cpu) +{ + if (cpu >= NR_CPUS) + return BAD_APICID; + return cpu_physical_id(cpu); +} + +static inline int mpc_apic_id(struct mpc_config_processor *m, + struct mpc_config_translation *translation_record) +{ + printk("Processor #%d %ld:%ld APIC version %d\n", + m->mpc_apicid, + (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, + (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, + m->mpc_apicver); + return m->mpc_apicid; +} + +static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) +{ + /* For clustered we don't have a good way to do this yet - hack */ + return physids_promote(0xFFL); +} + +static inline void setup_portio_remap(void) +{ +} + +static inline void enable_apic_mode(void) +{ +} + +static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) +{ + return (1); +} + +/* As we are using single CPU as destination, pick only one CPU here */ +static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) +{ + int cpu; + int apicid; + + cpu = first_cpu(cpumask); + apicid = cpu_to_logical_apicid(cpu); + return apicid; +} + +static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) +{ + return cpuid_apic >> index_msb; +} + +#endif /* __ASM_MACH_APIC_H */ |