ARK-OS/arkos/kernel/include/trace/events/kvm.h

/* SPDX-License-Identifier: GPL-2.0 */
#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), ERSN(WATCHDOG), ERSN(S390_TSCH), ERSN(EPR),\
	ERSN(SYSTEM_EVENT), ERSN(S390_STSI), ERSN(IOAPIC_EOI),          \
	ERSN(HYPERV), ERSN(ARM_NISV), ERSN(X86_RDMSR), ERSN(X86_WRMSR)

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)
);

TRACE_EVENT(kvm_vcpu_wakeup,
	    TP_PROTO(__u64 ns, bool waited, bool valid),
	    TP_ARGS(ns, waited, valid),

	TP_STRUCT__entry(
		__field(	__u64,		ns		)
		__field(	bool,		waited		)
		__field(	bool,		valid		)
	),

	TP_fast_assign(
		__entry->ns		= ns;
		__entry->waited		= waited;
		__entry->valid		= valid;
	),

	TP_printk("%s time %lld ns, polling %s",
		  __entry->waited ? "wait" : "poll",
		  __entry->ns,
		  __entry->valid ? "valid" : "invalid")
);

#if defined(CONFIG_HAVE_KVM_IRQCHIP)
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)
);

#ifdef CONFIG_KVM_IOAPIC

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

#endif /* CONFIG_KVM_IOAPIC */

#ifdef kvm_irqchips
#define kvm_ack_irq_string "irqchip %s pin %u"
#define kvm_ack_irq_parm  __print_symbolic(__entry->irqchip, kvm_irqchips), __entry->pin
#else
#define kvm_ack_irq_string "irqchip %d pin %u"
#define kvm_ack_irq_parm  __entry->irqchip, __entry->pin
#endif

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(kvm_ack_irq_string, kvm_ack_irq_parm)
);

#endif /* defined(CONFIG_HAVE_KVM_IRQCHIP) */



#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, void *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		= 0;
		if (val)
			memcpy(&__entry->val, val,
			       min_t(u32, sizeof(__entry->val), len));
	),

	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))
);

#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_repeated_fault,

	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, u64 gva),
	TP_ARGS(address, gva),

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

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

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

#endif

TRACE_EVENT(kvm_halt_poll_ns,
	TP_PROTO(bool grow, unsigned int vcpu_id, unsigned int new,
		 unsigned int old),
	TP_ARGS(grow, vcpu_id, new, old),

	TP_STRUCT__entry(
		__field(bool, grow)
		__field(unsigned int, vcpu_id)
		__field(unsigned int, new)
		__field(unsigned int, old)
	),

	TP_fast_assign(
		__entry->grow           = grow;
		__entry->vcpu_id        = vcpu_id;
		__entry->new            = new;
		__entry->old            = old;
	),

	TP_printk("vcpu %u: halt_poll_ns %u (%s %u)",
			__entry->vcpu_id,
			__entry->new,
			__entry->grow ? "grow" : "shrink",
			__entry->old)
);

#define trace_kvm_halt_poll_ns_grow(vcpu_id, new, old) \
	trace_kvm_halt_poll_ns(true, vcpu_id, new, old)
#define trace_kvm_halt_poll_ns_shrink(vcpu_id, new, old) \
	trace_kvm_halt_poll_ns(false, vcpu_id, new, old)

TRACE_EVENT(kvm_dirty_ring_push,
	TP_PROTO(struct kvm_dirty_ring *ring, u32 slot, u64 offset),
	TP_ARGS(ring, slot, offset),

	TP_STRUCT__entry(
		__field(int, index)
		__field(u32, dirty_index)
		__field(u32, reset_index)
		__field(u32, slot)
		__field(u64, offset)
	),

	TP_fast_assign(
		__entry->index          = ring->index;
		__entry->dirty_index    = ring->dirty_index;
		__entry->reset_index    = ring->reset_index;
		__entry->slot           = slot;
		__entry->offset         = offset;
	),

	TP_printk("ring %d: dirty 0x%x reset 0x%x "
		  "slot %u offset 0x%llx (used %u)",
		  __entry->index, __entry->dirty_index,
		  __entry->reset_index,  __entry->slot, __entry->offset,
		  __entry->dirty_index - __entry->reset_index)
);

TRACE_EVENT(kvm_dirty_ring_reset,
	TP_PROTO(struct kvm_dirty_ring *ring),
	TP_ARGS(ring),

	TP_STRUCT__entry(
		__field(int, index)
		__field(u32, dirty_index)
		__field(u32, reset_index)
	),

	TP_fast_assign(
		__entry->index          = ring->index;
		__entry->dirty_index    = ring->dirty_index;
		__entry->reset_index    = ring->reset_index;
	),

	TP_printk("ring %d: dirty 0x%x reset 0x%x (used %u)",
		  __entry->index, __entry->dirty_index, __entry->reset_index,
		  __entry->dirty_index - __entry->reset_index)
);

TRACE_EVENT(kvm_dirty_ring_exit,
	TP_PROTO(struct kvm_vcpu *vcpu),
	TP_ARGS(vcpu),

	TP_STRUCT__entry(
	    __field(int, vcpu_id)
	),

	TP_fast_assign(
	    __entry->vcpu_id = vcpu->vcpu_id;
	),

	TP_printk("vcpu %d", __entry->vcpu_id)
);

#ifdef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES
/*
 * @start:	Starting address of guest memory range
 * @end:	End address of guest memory range
 * @attr:	The value of the attribute being set.
 */
TRACE_EVENT(kvm_vm_set_mem_attributes,
	TP_PROTO(gfn_t start, gfn_t end, unsigned long attr),
	TP_ARGS(start, end, attr),

	TP_STRUCT__entry(
		__field(gfn_t,		start)
		__field(gfn_t,		end)
		__field(unsigned long,	attr)
	),

	TP_fast_assign(
		__entry->start		= start;
		__entry->end		= end;
		__entry->attr		= attr;
	),

	TP_printk("%#016llx -- %#016llx [0x%lx]",
		  __entry->start, __entry->end, __entry->attr)
);
#endif /* CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES */

TRACE_EVENT(kvm_unmap_hva_range,
	TP_PROTO(unsigned long start, unsigned long end),
	TP_ARGS(start, end),

	TP_STRUCT__entry(
		__field(	unsigned long,	start		)
		__field(	unsigned long,	end		)
	),

	TP_fast_assign(
		__entry->start		= start;
		__entry->end		= end;
	),

	TP_printk("mmu notifier unmap range: %#016lx -- %#016lx",
		  __entry->start, __entry->end)
);

TRACE_EVENT(kvm_age_hva,
	TP_PROTO(unsigned long start, unsigned long end),
	TP_ARGS(start, end),

	TP_STRUCT__entry(
		__field(	unsigned long,	start		)
		__field(	unsigned long,	end		)
	),

	TP_fast_assign(
		__entry->start		= start;
		__entry->end		= end;
	),

	TP_printk("mmu notifier age hva: %#016lx -- %#016lx",
		  __entry->start, __entry->end)
);

TRACE_EVENT(kvm_test_age_hva,
	TP_PROTO(unsigned long hva),
	TP_ARGS(hva),

	TP_STRUCT__entry(
		__field(	unsigned long,	hva		)
	),

	TP_fast_assign(
		__entry->hva		= hva;
	),

	TP_printk("mmu notifier test age hva: %#016lx", __entry->hva)
);

#endif /* _TRACE_KVM_MAIN_H */

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