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x86, ES7000: consolidate the APIC code
Consolidate all the ES7000 APIC code into arch/x86/mach-generic/es7000.c. With this ES7000 ceases to rely on any subarchitecture include files. Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
parent
25dc004903
commit
018e047f3a
@ -1,236 +0,0 @@
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#ifndef __ASM_ES7000_APIC_H
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#define __ASM_ES7000_APIC_H
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#include <linux/gfp.h>
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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 es7000_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 *target_cpus_cluster(void)
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{
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return &CPU_MASK_ALL;
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}
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static inline const cpumask_t *es7000_target_cpus(void)
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{
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return &cpumask_of_cpu(smp_processor_id());
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}
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#define APIC_DFR_VALUE_CLUSTER (APIC_DFR_CLUSTER)
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#define INT_DELIVERY_MODE_CLUSTER (dest_LowestPrio)
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#define INT_DEST_MODE_CLUSTER (1) /* logical delivery broadcast to all procs */
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#define APIC_DFR_VALUE (APIC_DFR_FLAT)
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static inline unsigned long
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es7000_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 es7000_check_apicid_present(int bit)
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{
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return physid_isset(bit, phys_cpu_present_map);
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}
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extern void es7000_enable_apic_mode(void);
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#define apicid_cluster(apicid) (apicid & 0xF0)
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static inline unsigned long calculate_ldr(int cpu)
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{
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unsigned long id;
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id = xapic_phys_to_log_apicid(cpu);
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return (SET_APIC_LOGICAL_ID(id));
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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 es7000_init_apic_ldr_cluster(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_CLUSTER);
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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 es7000_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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extern int apic_version [MAX_APICS];
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static inline void es7000_setup_apic_routing(void)
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{
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int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
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printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
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(apic_version[apic] == 0x14) ?
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"Physical Cluster" : "Logical Cluster",
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nr_ioapics, cpus_addr(*es7000_target_cpus())[0]);
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}
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static inline int es7000_apicid_to_node(int logical_apicid)
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{
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return 0;
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}
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static inline int es7000_cpu_present_to_apicid(int mps_cpu)
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{
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if (!mps_cpu)
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return boot_cpu_physical_apicid;
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else if (mps_cpu < nr_cpu_ids)
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return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
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else
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return BAD_APICID;
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}
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static inline physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid)
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{
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static int id = 0;
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physid_mask_t mask;
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mask = physid_mask_of_physid(id);
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++id;
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return mask;
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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 es7000_cpu_to_logical_apicid(int cpu)
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{
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#ifdef CONFIG_SMP
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if (cpu >= nr_cpu_ids)
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return BAD_APICID;
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return (int)cpu_2_logical_apicid[cpu];
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#else
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return logical_smp_processor_id();
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#endif
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}
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static inline physid_mask_t es7000_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(0xff);
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}
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extern unsigned int boot_cpu_physical_apicid;
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static inline int es7000_check_phys_apicid_present(int cpu_physical_apicid)
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{
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boot_cpu_physical_apicid = read_apic_id();
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return (1);
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}
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static inline unsigned int
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es7000_cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
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{
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int cpus_found = 0;
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int num_bits_set;
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int apicid;
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int cpu;
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num_bits_set = cpumask_weight(cpumask);
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/* Return id to all */
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if (num_bits_set == nr_cpu_ids)
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return 0xFF;
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/*
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* The cpus in the mask must all be on the apic cluster. If are not
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* on the same apicid cluster return default value of target_cpus():
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*/
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cpu = cpumask_first(cpumask);
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apicid = es7000_cpu_to_logical_apicid(cpu);
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while (cpus_found < num_bits_set) {
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if (cpumask_test_cpu(cpu, cpumask)) {
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int new_apicid = es7000_cpu_to_logical_apicid(cpu);
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if (apicid_cluster(apicid) !=
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apicid_cluster(new_apicid)) {
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printk ("%s: Not a valid mask!\n", __func__);
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return 0xFF;
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}
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apicid = new_apicid;
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cpus_found++;
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}
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cpu++;
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}
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return apicid;
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}
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static inline unsigned int es7000_cpu_mask_to_apicid(const cpumask_t *cpumask)
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{
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int cpus_found = 0;
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int num_bits_set;
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int apicid;
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int cpu;
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num_bits_set = cpus_weight(*cpumask);
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/* Return id to all */
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if (num_bits_set == nr_cpu_ids)
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return es7000_cpu_to_logical_apicid(0);
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/*
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* The cpus in the mask must all be on the apic cluster. If are not
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* on the same apicid cluster return default value of target_cpus():
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*/
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cpu = first_cpu(*cpumask);
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apicid = es7000_cpu_to_logical_apicid(cpu);
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while (cpus_found < num_bits_set) {
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if (cpu_isset(cpu, *cpumask)) {
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int new_apicid = es7000_cpu_to_logical_apicid(cpu);
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if (apicid_cluster(apicid) !=
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apicid_cluster(new_apicid)) {
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printk ("%s: Not a valid mask!\n", __func__);
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return es7000_cpu_to_logical_apicid(0);
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}
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apicid = new_apicid;
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cpus_found++;
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}
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cpu++;
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}
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return apicid;
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}
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static inline unsigned int
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es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
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const struct cpumask *andmask)
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{
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int apicid = es7000_cpu_to_logical_apicid(0);
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cpumask_var_t cpumask;
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if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
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return apicid;
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cpumask_and(cpumask, inmask, andmask);
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cpumask_and(cpumask, cpumask, cpu_online_mask);
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apicid = es7000_cpu_mask_to_apicid(cpumask);
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free_cpumask_var(cpumask);
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return apicid;
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}
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static inline int es7000_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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#endif /* __ASM_ES7000_APIC_H */
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@ -1,9 +0,0 @@
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#ifndef __ASM_ES7000_APICDEF_H
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#define __ASM_ES7000_APICDEF_H
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static inline unsigned int es7000_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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#endif
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@ -1,22 +0,0 @@
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#ifndef __ASM_ES7000_IPI_H
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#define __ASM_ES7000_IPI_H
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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 es7000_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 es7000_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 es7000_send_IPI_all(int vector)
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{
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es7000_send_IPI_mask(cpu_online_mask, vector);
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}
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#endif /* __ASM_ES7000_IPI_H */
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@ -1,23 +0,0 @@
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#ifndef __ASM_ES7000_MPPARSE_H
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#define __ASM_ES7000_MPPARSE_H
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#include <linux/acpi.h>
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extern int parse_unisys_oem (char *oemptr);
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extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
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extern void unmap_unisys_acpi_oem_table(unsigned long oem_addr);
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extern void setup_unisys(void);
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#ifdef CONFIG_ACPI
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static inline int es7000_check_dsdt(void)
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{
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struct acpi_table_header header;
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if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
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!strncmp(header.oem_id, "UNISYS", 6))
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return 1;
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return 0;
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}
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#endif
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#endif /* __ASM_MACH_MPPARSE_H */
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@ -1,16 +0,0 @@
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#ifndef __ASM_ES7000_WAKECPU_H
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#define __ASM_ES7000_WAKECPU_H
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#define ES7000_TRAMPOLINE_PHYS_LOW 0x467
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#define ES7000_TRAMPOLINE_PHYS_HIGH 0x469
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static inline void es7000_wait_for_init_deassert(atomic_t *deassert)
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{
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#ifndef CONFIG_ES7000_CLUSTERED_APIC
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while (!atomic_read(deassert))
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cpu_relax();
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#endif
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return;
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}
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#endif /* __ASM_MACH_WAKECPU_H */
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@ -11,13 +11,300 @@
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/init.h>
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#include <asm/es7000/apicdef.h>
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#include <linux/acpi.h>
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#include <linux/smp.h>
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#include <asm/es7000/apic.h>
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#include <asm/es7000/ipi.h>
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#include <asm/es7000/mpparse.h>
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#include <asm/ipi.h>
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#include <asm/mach-default/mach_wakecpu.h>
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#define APIC_DFR_VALUE_CLUSTER (APIC_DFR_CLUSTER)
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#define INT_DELIVERY_MODE_CLUSTER (dest_LowestPrio)
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#define INT_DEST_MODE_CLUSTER (1) /* logical delivery broadcast to all procs */
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#define APIC_DFR_VALUE (APIC_DFR_FLAT)
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extern void es7000_enable_apic_mode(void);
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extern int apic_version [MAX_APICS];
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extern u8 cpu_2_logical_apicid[];
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extern unsigned int boot_cpu_physical_apicid;
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extern int parse_unisys_oem (char *oemptr);
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extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
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extern void unmap_unisys_acpi_oem_table(unsigned long oem_addr);
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extern void setup_unisys(void);
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#define apicid_cluster(apicid) (apicid & 0xF0)
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#define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
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static void es7000_vector_allocation_domain(int cpu, cpumask_t *retmask)
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{
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/* Careful. Some cpus do not strictly honor the set of cpus
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* specified in the interrupt destination when using lowest
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* priority interrupt delivery mode.
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*
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* In particular there was a hyperthreading cpu observed to
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* deliver interrupts to the wrong hyperthread when only one
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* hyperthread was specified in the interrupt desitination.
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*/
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*retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
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}
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static void es7000_wait_for_init_deassert(atomic_t *deassert)
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{
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#ifndef CONFIG_ES7000_CLUSTERED_APIC
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while (!atomic_read(deassert))
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cpu_relax();
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#endif
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return;
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}
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static unsigned int es7000_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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#ifdef CONFIG_ACPI
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static int es7000_check_dsdt(void)
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{
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struct acpi_table_header header;
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if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
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!strncmp(header.oem_id, "UNISYS", 6))
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return 1;
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return 0;
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}
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#endif
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static void es7000_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 void es7000_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 void es7000_send_IPI_all(int vector)
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{
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es7000_send_IPI_mask(cpu_online_mask, vector);
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}
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static int es7000_apic_id_registered(void)
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{
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return 1;
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}
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static const cpumask_t *target_cpus_cluster(void)
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{
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return &CPU_MASK_ALL;
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}
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static const cpumask_t *es7000_target_cpus(void)
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{
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return &cpumask_of_cpu(smp_processor_id());
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}
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static unsigned long
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es7000_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 unsigned long es7000_check_apicid_present(int bit)
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{
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return physid_isset(bit, phys_cpu_present_map);
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}
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static unsigned long calculate_ldr(int cpu)
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{
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unsigned long id = xapic_phys_to_log_apicid(cpu);
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return (SET_APIC_LOGICAL_ID(id));
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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 void es7000_init_apic_ldr_cluster(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_CLUSTER);
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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 void es7000_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 void es7000_setup_apic_routing(void)
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{
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int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
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printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
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(apic_version[apic] == 0x14) ?
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"Physical Cluster" : "Logical Cluster",
|
||||
nr_ioapics, cpus_addr(*es7000_target_cpus())[0]);
|
||||
}
|
||||
|
||||
static int es7000_apicid_to_node(int logical_apicid)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int es7000_cpu_present_to_apicid(int mps_cpu)
|
||||
{
|
||||
if (!mps_cpu)
|
||||
return boot_cpu_physical_apicid;
|
||||
else if (mps_cpu < nr_cpu_ids)
|
||||
return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
|
||||
else
|
||||
return BAD_APICID;
|
||||
}
|
||||
|
||||
static physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid)
|
||||
{
|
||||
static int id = 0;
|
||||
physid_mask_t mask;
|
||||
|
||||
mask = physid_mask_of_physid(id);
|
||||
++id;
|
||||
|
||||
return mask;
|
||||
}
|
||||
|
||||
/* Mapping from cpu number to logical apicid */
|
||||
static int es7000_cpu_to_logical_apicid(int cpu)
|
||||
{
|
||||
#ifdef CONFIG_SMP
|
||||
if (cpu >= nr_cpu_ids)
|
||||
return BAD_APICID;
|
||||
return (int)cpu_2_logical_apicid[cpu];
|
||||
#else
|
||||
return logical_smp_processor_id();
|
||||
#endif
|
||||
}
|
||||
|
||||
static physid_mask_t es7000_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(0xff);
|
||||
}
|
||||
|
||||
static int es7000_check_phys_apicid_present(int cpu_physical_apicid)
|
||||
{
|
||||
boot_cpu_physical_apicid = read_apic_id();
|
||||
return (1);
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
es7000_cpu_mask_to_apicid_cluster(const struct cpumask *cpumask)
|
||||
{
|
||||
int cpus_found = 0;
|
||||
int num_bits_set;
|
||||
int apicid;
|
||||
int cpu;
|
||||
|
||||
num_bits_set = cpumask_weight(cpumask);
|
||||
/* Return id to all */
|
||||
if (num_bits_set == nr_cpu_ids)
|
||||
return 0xFF;
|
||||
/*
|
||||
* The cpus in the mask must all be on the apic cluster. If are not
|
||||
* on the same apicid cluster return default value of target_cpus():
|
||||
*/
|
||||
cpu = cpumask_first(cpumask);
|
||||
apicid = es7000_cpu_to_logical_apicid(cpu);
|
||||
|
||||
while (cpus_found < num_bits_set) {
|
||||
if (cpumask_test_cpu(cpu, cpumask)) {
|
||||
int new_apicid = es7000_cpu_to_logical_apicid(cpu);
|
||||
|
||||
if (apicid_cluster(apicid) !=
|
||||
apicid_cluster(new_apicid)) {
|
||||
printk ("%s: Not a valid mask!\n", __func__);
|
||||
|
||||
return 0xFF;
|
||||
}
|
||||
apicid = new_apicid;
|
||||
cpus_found++;
|
||||
}
|
||||
cpu++;
|
||||
}
|
||||
return apicid;
|
||||
}
|
||||
|
||||
static unsigned int es7000_cpu_mask_to_apicid(const cpumask_t *cpumask)
|
||||
{
|
||||
int cpus_found = 0;
|
||||
int num_bits_set;
|
||||
int apicid;
|
||||
int cpu;
|
||||
|
||||
num_bits_set = cpus_weight(*cpumask);
|
||||
/* Return id to all */
|
||||
if (num_bits_set == nr_cpu_ids)
|
||||
return es7000_cpu_to_logical_apicid(0);
|
||||
/*
|
||||
* The cpus in the mask must all be on the apic cluster. If are not
|
||||
* on the same apicid cluster return default value of target_cpus():
|
||||
*/
|
||||
cpu = first_cpu(*cpumask);
|
||||
apicid = es7000_cpu_to_logical_apicid(cpu);
|
||||
while (cpus_found < num_bits_set) {
|
||||
if (cpu_isset(cpu, *cpumask)) {
|
||||
int new_apicid = es7000_cpu_to_logical_apicid(cpu);
|
||||
|
||||
if (apicid_cluster(apicid) !=
|
||||
apicid_cluster(new_apicid)) {
|
||||
printk ("%s: Not a valid mask!\n", __func__);
|
||||
|
||||
return es7000_cpu_to_logical_apicid(0);
|
||||
}
|
||||
apicid = new_apicid;
|
||||
cpus_found++;
|
||||
}
|
||||
cpu++;
|
||||
}
|
||||
return apicid;
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask,
|
||||
const struct cpumask *andmask)
|
||||
{
|
||||
int apicid = es7000_cpu_to_logical_apicid(0);
|
||||
cpumask_var_t cpumask;
|
||||
|
||||
if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC))
|
||||
return apicid;
|
||||
|
||||
cpumask_and(cpumask, inmask, andmask);
|
||||
cpumask_and(cpumask, cpumask, cpu_online_mask);
|
||||
apicid = es7000_cpu_mask_to_apicid(cpumask);
|
||||
|
||||
free_cpumask_var(cpumask);
|
||||
|
||||
return apicid;
|
||||
}
|
||||
|
||||
static int es7000_phys_pkg_id(int cpuid_apic, int index_msb)
|
||||
{
|
||||
return cpuid_apic >> index_msb;
|
||||
}
|
||||
|
||||
void __init es7000_update_genapic_to_cluster(void)
|
||||
{
|
||||
apic->target_cpus = target_cpus_cluster;
|
||||
@ -80,18 +367,6 @@ static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
||||
}
|
||||
#endif
|
||||
|
||||
static void es7000_vector_allocation_domain(int cpu, cpumask_t *retmask)
|
||||
{
|
||||
/* Careful. Some cpus do not strictly honor the set of cpus
|
||||
* specified in the interrupt destination when using lowest
|
||||
* priority interrupt delivery mode.
|
||||
*
|
||||
* In particular there was a hyperthreading cpu observed to
|
||||
* deliver interrupts to the wrong hyperthread when only one
|
||||
* hyperthread was specified in the interrupt desitination.
|
||||
*/
|
||||
*retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
|
||||
}
|
||||
|
||||
struct genapic apic_es7000 = {
|
||||
|
||||
@ -140,10 +415,11 @@ struct genapic apic_es7000 = {
|
||||
.send_IPI_self = NULL,
|
||||
|
||||
.wakeup_cpu = NULL,
|
||||
.trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
|
||||
.trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
|
||||
|
||||
.wait_for_init_deassert = default_wait_for_init_deassert,
|
||||
.trampoline_phys_low = 0x467,
|
||||
.trampoline_phys_high = 0x469,
|
||||
|
||||
.wait_for_init_deassert = es7000_wait_for_init_deassert,
|
||||
|
||||
/* Nothing to do for most platforms, since cleared by the INIT cycle: */
|
||||
.smp_callin_clear_local_apic = NULL,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user