kvm.h

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#if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_MAIN_H

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm

#define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }

#define kvm_trace_exit_reason                       \
    ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),  \
    ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),  \
    ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
    ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
    ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
    ERSN(S390_UCONTROL)

TRACE_EVENT(kvm_userspace_exit,
        TP_PROTO(__u32 reason, int errno),
        TP_ARGS(reason, errno),

    TP_STRUCT__entry(
        __field(    __u32,      reason      )
        __field(    int,        errno       )
    ),

    TP_fast_assign(
        __entry->reason     = reason;
        __entry->errno      = errno;
    ),

    TP_printk("reason %s (%d)",
          __entry->errno < 0 ?
          (__entry->errno == -EINTR ? "restart" : "error") :
          __print_symbolic(__entry->reason, kvm_trace_exit_reason),
          __entry->errno < 0 ? -__entry->errno : __entry->reason)
);

#if defined(__KVM_HAVE_IRQ_LINE)
TRACE_EVENT(kvm_set_irq,
    TP_PROTO(unsigned int gsi, int level, int irq_source_id),
    TP_ARGS(gsi, level, irq_source_id),

    TP_STRUCT__entry(
        __field(    unsigned int,   gsi     )
        __field(    int,        level       )
        __field(    int,        irq_source_id   )
    ),

    TP_fast_assign(
        __entry->gsi        = gsi;
        __entry->level      = level;
        __entry->irq_source_id  = irq_source_id;
    ),

    TP_printk("gsi %u level %d source %d",
          __entry->gsi, __entry->level, __entry->irq_source_id)
);
#endif

#if defined(__KVM_HAVE_IOAPIC)
#define kvm_deliver_mode        \
    {0x0, "Fixed"},         \
    {0x1, "LowPrio"},       \
    {0x2, "SMI"},           \
    {0x3, "Res3"},          \
    {0x4, "NMI"},           \
    {0x5, "INIT"},          \
    {0x6, "SIPI"},          \
    {0x7, "ExtINT"}

TRACE_EVENT(kvm_ioapic_set_irq,
        TP_PROTO(__u64 e, int pin, bool coalesced),
        TP_ARGS(e, pin, coalesced),

    TP_STRUCT__entry(
        __field(    __u64,      e       )
        __field(    int,        pin     )
        __field(    bool,       coalesced   )
    ),

    TP_fast_assign(
        __entry->e      = e;
        __entry->pin        = pin;
        __entry->coalesced  = coalesced;
    ),

    TP_printk("pin %u dst %x vec=%u (%s|%s|%s%s)%s",
          __entry->pin, (u8)(__entry->e >> 56), (u8)__entry->e,
          __print_symbolic((__entry->e >> 8 & 0x7), kvm_deliver_mode),
          (__entry->e & (1<<11)) ? "logical" : "physical",
          (__entry->e & (1<<15)) ? "level" : "edge",
          (__entry->e & (1<<16)) ? "|masked" : "",
          __entry->coalesced ? " (coalesced)" : "")
);

TRACE_EVENT(kvm_msi_set_irq,
        TP_PROTO(__u64 address, __u64 data),
        TP_ARGS(address, data),

    TP_STRUCT__entry(
        __field(    __u64,      address     )
        __field(    __u64,      data        )
    ),

    TP_fast_assign(
        __entry->address    = address;
        __entry->data       = data;
    ),

    TP_printk("dst %u vec %x (%s|%s|%s%s)",
          (u8)(__entry->address >> 12), (u8)__entry->data,
          __print_symbolic((__entry->data >> 8 & 0x7), kvm_deliver_mode),
          (__entry->address & (1<<2)) ? "logical" : "physical",
          (__entry->data & (1<<15)) ? "level" : "edge",
          (__entry->address & (1<<3)) ? "|rh" : "")
);

#define kvm_irqchips                        \
    {KVM_IRQCHIP_PIC_MASTER,    "PIC master"},      \
    {KVM_IRQCHIP_PIC_SLAVE,     "PIC slave"},       \
    {KVM_IRQCHIP_IOAPIC,        "IOAPIC"}

TRACE_EVENT(kvm_ack_irq,
    TP_PROTO(unsigned int irqchip, unsigned int pin),
    TP_ARGS(irqchip, pin),

    TP_STRUCT__entry(
        __field(    unsigned int,   irqchip     )
        __field(    unsigned int,   pin     )
    ),

    TP_fast_assign(
        __entry->irqchip    = irqchip;
        __entry->pin        = pin;
    ),

    TP_printk("irqchip %s pin %u",
          __print_symbolic(__entry->irqchip, kvm_irqchips),
         __entry->pin)
);



#endif /* defined(__KVM_HAVE_IOAPIC) */

#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
#define KVM_TRACE_MMIO_READ 1
#define KVM_TRACE_MMIO_WRITE 2

#define kvm_trace_symbol_mmio \
    { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
    { KVM_TRACE_MMIO_READ, "read" }, \
    { KVM_TRACE_MMIO_WRITE, "write" }

TRACE_EVENT(kvm_mmio,
    TP_PROTO(int type, int len, u64 gpa, u64 val),
    TP_ARGS(type, len, gpa, val),

    TP_STRUCT__entry(
        __field(    u32,    type        )
        __field(    u32,    len     )
        __field(    u64,    gpa     )
        __field(    u64,    val     )
    ),

    TP_fast_assign(
        __entry->type       = type;
        __entry->len        = len;
        __entry->gpa        = gpa;
        __entry->val        = val;
    ),

    TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx",
          __print_symbolic(__entry->type, kvm_trace_symbol_mmio),
          __entry->len, __entry->gpa, __entry->val)
);

#define kvm_fpu_load_symbol \
    {0, "unload"},      \
    {1, "load"}

TRACE_EVENT(kvm_fpu,
    TP_PROTO(int load),
    TP_ARGS(load),

    TP_STRUCT__entry(
        __field(    u32,            load        )
    ),

    TP_fast_assign(
        __entry->load       = load;
    ),

    TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
);

TRACE_EVENT(kvm_age_page,
    TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
    TP_ARGS(hva, slot, ref),

    TP_STRUCT__entry(
        __field(    u64,    hva     )
        __field(    u64,    gfn     )
        __field(    u8, referenced  )
    ),

    TP_fast_assign(
        __entry->hva        = hva;
        __entry->gfn        =
          slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT);
        __entry->referenced = ref;
    ),

    TP_printk("hva %llx gfn %llx %s",
          __entry->hva, __entry->gfn,
          __entry->referenced ? "YOUNG" : "OLD")
);

#ifdef CONFIG_KVM_ASYNC_PF
DECLARE_EVENT_CLASS(kvm_async_get_page_class,

    TP_PROTO(u64 gva, u64 gfn),

    TP_ARGS(gva, gfn),

    TP_STRUCT__entry(
        __field(__u64, gva)
        __field(u64, gfn)
    ),

    TP_fast_assign(
        __entry->gva = gva;
        __entry->gfn = gfn;
    ),

    TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
);

DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,

    TP_PROTO(u64 gva, u64 gfn),

    TP_ARGS(gva, gfn)
);

DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault,

    TP_PROTO(u64 gva, u64 gfn),

    TP_ARGS(gva, gfn)
);

DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,

    TP_PROTO(u64 token, u64 gva),

    TP_ARGS(token, gva),

    TP_STRUCT__entry(
        __field(__u64, token)
        __field(__u64, gva)
    ),

    TP_fast_assign(
        __entry->token = token;
        __entry->gva = gva;
    ),

    TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)

);

DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,

    TP_PROTO(u64 token, u64 gva),

    TP_ARGS(token, gva)
);

DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,

    TP_PROTO(u64 token, u64 gva),

    TP_ARGS(token, gva)
);

TRACE_EVENT(
    kvm_async_pf_completed,
    TP_PROTO(unsigned long address, struct page *page, u64 gva),
    TP_ARGS(address, page, gva),

    TP_STRUCT__entry(
        __field(unsigned long, address)
        __field(pfn_t, pfn)
        __field(u64, gva)
        ),

    TP_fast_assign(
        __entry->address = address;
        __entry->pfn = page ? page_to_pfn(page) : 0;
        __entry->gva = gva;
        ),

    TP_printk("gva %#llx address %#lx pfn %#llx",  __entry->gva,
          __entry->address, __entry->pfn)
);

#endif

#endif /* _TRACE_KVM_MAIN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>