forked from Minki/linux
x86, bigsmp: consolidate header code
Move all the asm/bigsmp/*.h definitions into bigsmp_32.c. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -12,10 +12,165 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/dmi.h>
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#include <asm/bigsmp/apicdef.h>
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#include <linux/smp.h>
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#include <asm/bigsmp/apic.h>
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#include <asm/bigsmp/ipi.h>
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static inline unsigned bigsmp_get_apic_id(unsigned long x)
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{
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return (x >> 24) & 0xFF;
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}
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#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
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static inline int bigsmp_apic_id_registered(void)
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{
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return 1;
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}
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static inline const cpumask_t *bigsmp_target_cpus(void)
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{
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#ifdef CONFIG_SMP
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return &cpu_online_map;
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#else
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return &cpumask_of_cpu(0);
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#endif
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}
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#define APIC_DFR_VALUE (APIC_DFR_FLAT)
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static inline unsigned long
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bigsmp_check_apicid_used(physid_mask_t bitmap, int apicid)
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{
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return 0;
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}
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static inline unsigned long bigsmp_check_apicid_present(int bit)
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{
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return 1;
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}
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static inline unsigned long calculate_ldr(int cpu)
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{
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unsigned long val, id;
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val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
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id = xapic_phys_to_log_apicid(cpu);
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val |= SET_APIC_LOGICAL_ID(id);
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return val;
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}
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/*
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* Set up the logical destination ID.
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*
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* Intel recommends to set DFR, LDR and TPR before enabling
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* an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
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* document number 292116). So here it goes...
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*/
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static inline void bigsmp_init_apic_ldr(void)
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{
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unsigned long val;
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int cpu = smp_processor_id();
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apic_write(APIC_DFR, APIC_DFR_VALUE);
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val = calculate_ldr(cpu);
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apic_write(APIC_LDR, val);
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}
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static inline void bigsmp_setup_apic_routing(void)
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{
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printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
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"Physflat", nr_ioapics);
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}
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static inline int bigsmp_apicid_to_node(int logical_apicid)
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{
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return apicid_2_node[hard_smp_processor_id()];
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}
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static inline int bigsmp_cpu_present_to_apicid(int mps_cpu)
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{
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if (mps_cpu < nr_cpu_ids)
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return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
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return BAD_APICID;
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}
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static inline physid_mask_t bigsmp_apicid_to_cpu_present(int phys_apicid)
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{
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return physid_mask_of_physid(phys_apicid);
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}
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extern u8 cpu_2_logical_apicid[];
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/* Mapping from cpu number to logical apicid */
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static inline int bigsmp_cpu_to_logical_apicid(int cpu)
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{
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if (cpu >= nr_cpu_ids)
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return BAD_APICID;
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return cpu_physical_id(cpu);
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}
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static inline physid_mask_t bigsmp_ioapic_phys_id_map(physid_mask_t phys_map)
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{
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/* For clustered we don't have a good way to do this yet - hack */
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return physids_promote(0xFFL);
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}
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static inline void bigsmp_setup_portio_remap(void)
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{
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}
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static inline int bigsmp_check_phys_apicid_present(int boot_cpu_physical_apicid)
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{
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return 1;
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}
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/* As we are using single CPU as destination, pick only one CPU here */
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static inline unsigned int bigsmp_cpu_mask_to_apicid(const cpumask_t *cpumask)
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{
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return bigsmp_cpu_to_logical_apicid(first_cpu(*cpumask));
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}
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static inline unsigned int
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bigsmp_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
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const struct cpumask *andmask)
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{
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int cpu;
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/*
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* We're using fixed IRQ delivery, can only return one phys APIC ID.
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* May as well be the first.
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*/
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for_each_cpu_and(cpu, cpumask, andmask) {
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if (cpumask_test_cpu(cpu, cpu_online_mask))
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break;
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}
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if (cpu < nr_cpu_ids)
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return bigsmp_cpu_to_logical_apicid(cpu);
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return BAD_APICID;
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}
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static inline int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
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{
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return cpuid_apic >> index_msb;
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}
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void default_send_IPI_mask_sequence(const struct cpumask *mask, int vector);
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void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
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static inline void bigsmp_send_IPI_mask(const struct cpumask *mask, int vector)
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{
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default_send_IPI_mask_sequence(mask, vector);
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}
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static inline void bigsmp_send_IPI_allbutself(int vector)
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{
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default_send_IPI_mask_allbutself(cpu_online_mask, vector);
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}
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static inline void bigsmp_send_IPI_all(int vector)
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{
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bigsmp_send_IPI_mask(cpu_online_mask, vector);
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}
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static int dmi_bigsmp; /* can be set by dmi scanners */
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@ -95,7 +250,7 @@ struct genapic apic_bigsmp = {
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.cpu_mask_to_apicid = bigsmp_cpu_mask_to_apicid,
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.cpu_mask_to_apicid_and = bigsmp_cpu_mask_to_apicid_and,
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.send_IPI_mask = default_send_IPI_mask,
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.send_IPI_mask = bigsmp_send_IPI_mask,
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.send_IPI_mask_allbutself = NULL,
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.send_IPI_allbutself = bigsmp_send_IPI_allbutself,
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.send_IPI_all = bigsmp_send_IPI_all,
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