| 1 |
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| 2 | #ifndef _ASM_X86_CPU_H
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| 3 | #define _ASM_X86_CPU_H
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| 4 |
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| 5 | #include <linux/device.h>
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| 6 | #include <linux/cpu.h>
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| 7 | #include <linux/topology.h>
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| 8 | #include <linux/nodemask.h>
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| 9 | #include <linux/percpu.h>
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| 10 |
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| 11 | #include <asm/ibt.h>
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| 12 | #include <asm/cpuid/leaf_types.h>
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| 13 |
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| 14 | #ifndef CONFIG_SMP
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| 15 | #define cpu_physical_id(cpu) boot_cpu_physical_apicid
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| 16 | #endif
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| 17 |
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| 18 | #ifdef CONFIG_HOTPLUG_CPU
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| 19 | extern void soft_restart_cpu(void);
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| 20 | #endif
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| 21 |
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| 22 | extern void ap_init_aperfmperf(void);
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| 23 |
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| 24 | int mwait_usable(const struct cpuinfo_x86 *);
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| 25 |
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| 26 | unsigned int x86_family(unsigned int sig);
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| 27 | unsigned int x86_model(unsigned int sig);
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| 28 | unsigned int x86_stepping(unsigned int sig);
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| 29 |
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| 30 | unsigned int cpuid_family(const struct leaf_0x1_0 *l);
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| 31 | unsigned int cpuid_model(const struct leaf_0x1_0 *l);
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| 32 |
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| 33 | #ifdef CONFIG_X86_BUS_LOCK_DETECT
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| 34 | extern void __init sld_setup(struct cpuinfo_x86 *c);
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| 35 | extern bool handle_user_split_lock(struct pt_regs *regs, long error_code);
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| 36 | extern bool handle_guest_split_lock(unsigned long ip);
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| 37 | extern void handle_bus_lock(struct pt_regs *regs);
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| 38 | void split_lock_init(void);
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| 39 | void bus_lock_init(void);
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| 40 | #else
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| 41 | static inline void __init sld_setup(struct cpuinfo_x86 *c) {}
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| 42 | static inline bool handle_user_split_lock(struct pt_regs *regs, long error_code)
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| 43 | {
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| 44 | return false;
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| 45 | }
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| 46 |
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| 47 | static inline bool handle_guest_split_lock(unsigned long ip)
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| 48 | {
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| 49 | return false;
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| 50 | }
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| 51 |
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| 52 | static inline void handle_bus_lock(struct pt_regs *regs) {}
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| 53 | static inline void split_lock_init(void) {}
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| 54 | static inline void bus_lock_init(void) {}
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| 55 | #endif
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| 56 |
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| 57 | #ifdef CONFIG_IA32_FEAT_CTL
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| 58 | void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
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| 59 | #else
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| 60 | static inline void init_ia32_feat_ctl(struct cpuinfo_x86 *c) {}
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| 61 | #endif
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| 62 |
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| 63 | extern __noendbr void cet_disable(void);
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| 64 |
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| 65 | struct cpu_signature;
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| 66 |
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| 67 | void intel_collect_cpu_info(struct cpu_signature *sig);
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| 68 |
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| 69 | extern u64 x86_read_arch_cap_msr(void);
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| 70 | bool intel_find_matching_signature(void *mc, struct cpu_signature *sig);
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| 71 | int intel_microcode_sanity_check(void *mc, bool print_err, int hdr_type);
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| 72 |
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| 73 | extern struct cpumask cpus_stop_mask;
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| 74 |
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| 75 | #endif
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