cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

hardirq.h (2207B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_X86_HARDIRQ_H
      3#define _ASM_X86_HARDIRQ_H
      4
      5#include <linux/threads.h>
      6
      7typedef struct {
      8	u16	     __softirq_pending;
      9#if IS_ENABLED(CONFIG_KVM_INTEL)
     10	u8	     kvm_cpu_l1tf_flush_l1d;
     11#endif
     12	unsigned int __nmi_count;	/* arch dependent */
     13#ifdef CONFIG_X86_LOCAL_APIC
     14	unsigned int apic_timer_irqs;	/* arch dependent */
     15	unsigned int irq_spurious_count;
     16	unsigned int icr_read_retry_count;
     17#endif
     18#ifdef CONFIG_HAVE_KVM
     19	unsigned int kvm_posted_intr_ipis;
     20	unsigned int kvm_posted_intr_wakeup_ipis;
     21	unsigned int kvm_posted_intr_nested_ipis;
     22#endif
     23	unsigned int x86_platform_ipis;	/* arch dependent */
     24	unsigned int apic_perf_irqs;
     25	unsigned int apic_irq_work_irqs;
     26#ifdef CONFIG_SMP
     27	unsigned int irq_resched_count;
     28	unsigned int irq_call_count;
     29#endif
     30	unsigned int irq_tlb_count;
     31#ifdef CONFIG_X86_THERMAL_VECTOR
     32	unsigned int irq_thermal_count;
     33#endif
     34#ifdef CONFIG_X86_MCE_THRESHOLD
     35	unsigned int irq_threshold_count;
     36#endif
     37#ifdef CONFIG_X86_MCE_AMD
     38	unsigned int irq_deferred_error_count;
     39#endif
     40#ifdef CONFIG_X86_HV_CALLBACK_VECTOR
     41	unsigned int irq_hv_callback_count;
     42#endif
     43#if IS_ENABLED(CONFIG_HYPERV)
     44	unsigned int irq_hv_reenlightenment_count;
     45	unsigned int hyperv_stimer0_count;
     46#endif
     47} ____cacheline_aligned irq_cpustat_t;
     48
     49DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
     50
     51#define __ARCH_IRQ_STAT
     52
     53#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
     54
     55extern void ack_bad_irq(unsigned int irq);
     56
     57extern u64 arch_irq_stat_cpu(unsigned int cpu);
     58#define arch_irq_stat_cpu	arch_irq_stat_cpu
     59
     60extern u64 arch_irq_stat(void);
     61#define arch_irq_stat		arch_irq_stat
     62
     63
     64#if IS_ENABLED(CONFIG_KVM_INTEL)
     65static inline void kvm_set_cpu_l1tf_flush_l1d(void)
     66{
     67	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
     68}
     69
     70static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
     71{
     72	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
     73}
     74
     75static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
     76{
     77	return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
     78}
     79#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
     80static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
     81#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
     82
     83#endif /* _ASM_X86_HARDIRQ_H */