KVM: VMX: Move VMX specific files to a "vmx" subdirectory

...to prepare for shattering vmx.c into multiple files without having
to prepend "vmx_" to all new files.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 358 deletions

diff --git a/arch/x86/kvm/pmu_intel.c b/arch/x86/kvm/pmu_intel.c
deleted file mode 100644
index 5ab4a364348e..000000000000
--- a/arch/x86/kvm/pmu_intel.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * KVM PMU support for Intel CPUs
- *
- * Copyright 2011 Red Hat, Inc. and/or its affiliates.
- *
- * Authors:
- *   Avi Kivity   <avi@redhat.com>
- *   Gleb Natapov <gleb@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
- *
- */
-#include <linux/types.h>
-#include <linux/kvm_host.h>
-#include <linux/perf_event.h>
-#include <asm/perf_event.h>
-#include "x86.h"
-#include "cpuid.h"
-#include "lapic.h"
-#include "pmu.h"
-
-static struct kvm_event_hw_type_mapping intel_arch_events[] = {
-	/* Index must match CPUID 0x0A.EBX bit vector */
-	[0] = { 0x3c, 0x00, PERF_COUNT_HW_CPU_CYCLES },
-	[1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },
-	[2] = { 0x3c, 0x01, PERF_COUNT_HW_BUS_CYCLES  },
-	[3] = { 0x2e, 0x4f, PERF_COUNT_HW_CACHE_REFERENCES },
-	[4] = { 0x2e, 0x41, PERF_COUNT_HW_CACHE_MISSES },
-	[5] = { 0xc4, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
-	[6] = { 0xc5, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
-	[7] = { 0x00, 0x30, PERF_COUNT_HW_REF_CPU_CYCLES },
-};
-
-/* mapping between fixed pmc index and intel_arch_events array */
-static int fixed_pmc_events[] = {1, 0, 7};
-
-static void reprogram_fixed_counters(struct kvm_pmu *pmu, u64 data)
-{
-	int i;
-
-	for (i = 0; i < pmu->nr_arch_fixed_counters; i++) {
-		u8 new_ctrl = fixed_ctrl_field(data, i);
-		u8 old_ctrl = fixed_ctrl_field(pmu->fixed_ctr_ctrl, i);
-		struct kvm_pmc *pmc;
-
-		pmc = get_fixed_pmc(pmu, MSR_CORE_PERF_FIXED_CTR0 + i);
-
-		if (old_ctrl == new_ctrl)
-			continue;
-
-		reprogram_fixed_counter(pmc, new_ctrl, i);
-	}
-
-	pmu->fixed_ctr_ctrl = data;
-}
-
-/* function is called when global control register has been updated. */
-static void global_ctrl_changed(struct kvm_pmu *pmu, u64 data)
-{
-	int bit;
-	u64 diff = pmu->global_ctrl ^ data;
-
-	pmu->global_ctrl = data;
-
-	for_each_set_bit(bit, (unsigned long *)&diff, X86_PMC_IDX_MAX)
-		reprogram_counter(pmu, bit);
-}
-
-static unsigned intel_find_arch_event(struct kvm_pmu *pmu,
-				      u8 event_select,
-				      u8 unit_mask)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(intel_arch_events); i++)
-		if (intel_arch_events[i].eventsel == event_select
-		    && intel_arch_events[i].unit_mask == unit_mask
-		    && (pmu->available_event_types & (1 << i)))
-			break;
-
-	if (i == ARRAY_SIZE(intel_arch_events))
-		return PERF_COUNT_HW_MAX;
-
-	return intel_arch_events[i].event_type;
-}
-
-static unsigned intel_find_fixed_event(int idx)
-{
-	if (idx >= ARRAY_SIZE(fixed_pmc_events))
-		return PERF_COUNT_HW_MAX;
-
-	return intel_arch_events[fixed_pmc_events[idx]].event_type;
-}
-
-/* check if a PMC is enabled by comparing it with globl_ctrl bits. */
-static bool intel_pmc_is_enabled(struct kvm_pmc *pmc)
-{
-	struct kvm_pmu *pmu = pmc_to_pmu(pmc);
-
-	return test_bit(pmc->idx, (unsigned long *)&pmu->global_ctrl);
-}
-
-static struct kvm_pmc *intel_pmc_idx_to_pmc(struct kvm_pmu *pmu, int pmc_idx)
-{
-	if (pmc_idx < INTEL_PMC_IDX_FIXED)
-		return get_gp_pmc(pmu, MSR_P6_EVNTSEL0 + pmc_idx,
-				  MSR_P6_EVNTSEL0);
-	else {
-		u32 idx = pmc_idx - INTEL_PMC_IDX_FIXED;
-
-		return get_fixed_pmc(pmu, idx + MSR_CORE_PERF_FIXED_CTR0);
-	}
-}
-
-/* returns 0 if idx's corresponding MSR exists; otherwise returns 1. */
-static int intel_is_valid_msr_idx(struct kvm_vcpu *vcpu, unsigned idx)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	bool fixed = idx & (1u << 30);
-
-	idx &= ~(3u << 30);
-
-	return (!fixed && idx >= pmu->nr_arch_gp_counters) ||
-		(fixed && idx >= pmu->nr_arch_fixed_counters);
-}
-
-static struct kvm_pmc *intel_msr_idx_to_pmc(struct kvm_vcpu *vcpu,
-					    unsigned idx)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	bool fixed = idx & (1u << 30);
-	struct kvm_pmc *counters;
-
-	idx &= ~(3u << 30);
-	if (!fixed && idx >= pmu->nr_arch_gp_counters)
-		return NULL;
-	if (fixed && idx >= pmu->nr_arch_fixed_counters)
-		return NULL;
-	counters = fixed ? pmu->fixed_counters : pmu->gp_counters;
-
-	return &counters[idx];
-}
-
-static bool intel_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	int ret;
-
-	switch (msr) {
-	case MSR_CORE_PERF_FIXED_CTR_CTRL:
-	case MSR_CORE_PERF_GLOBAL_STATUS:
-	case MSR_CORE_PERF_GLOBAL_CTRL:
-	case MSR_CORE_PERF_GLOBAL_OVF_CTRL:
-		ret = pmu->version > 1;
-		break;
-	default:
-		ret = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0) ||
-			get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0) ||
-			get_fixed_pmc(pmu, msr);
-		break;
-	}
-
-	return ret;
-}
-
-static int intel_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	struct kvm_pmc *pmc;
-
-	switch (msr) {
-	case MSR_CORE_PERF_FIXED_CTR_CTRL:
-		*data = pmu->fixed_ctr_ctrl;
-		return 0;
-	case MSR_CORE_PERF_GLOBAL_STATUS:
-		*data = pmu->global_status;
-		return 0;
-	case MSR_CORE_PERF_GLOBAL_CTRL:
-		*data = pmu->global_ctrl;
-		return 0;
-	case MSR_CORE_PERF_GLOBAL_OVF_CTRL:
-		*data = pmu->global_ovf_ctrl;
-		return 0;
-	default:
-		if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0)) ||
-		    (pmc = get_fixed_pmc(pmu, msr))) {
-			*data = pmc_read_counter(pmc);
-			return 0;
-		} else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
-			*data = pmc->eventsel;
-			return 0;
-		}
-	}
-
-	return 1;
-}
-
-static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	struct kvm_pmc *pmc;
-	u32 msr = msr_info->index;
-	u64 data = msr_info->data;
-
-	switch (msr) {
-	case MSR_CORE_PERF_FIXED_CTR_CTRL:
-		if (pmu->fixed_ctr_ctrl == data)
-			return 0;
-		if (!(data & 0xfffffffffffff444ull)) {
-			reprogram_fixed_counters(pmu, data);
-			return 0;
-		}
-		break;
-	case MSR_CORE_PERF_GLOBAL_STATUS:
-		if (msr_info->host_initiated) {
-			pmu->global_status = data;
-			return 0;
-		}
-		break; /* RO MSR */
-	case MSR_CORE_PERF_GLOBAL_CTRL:
-		if (pmu->global_ctrl == data)
-			return 0;
-		if (!(data & pmu->global_ctrl_mask)) {
-			global_ctrl_changed(pmu, data);
-			return 0;
-		}
-		break;
-	case MSR_CORE_PERF_GLOBAL_OVF_CTRL:
-		if (!(data & (pmu->global_ctrl_mask & ~(3ull<<62)))) {
-			if (!msr_info->host_initiated)
-				pmu->global_status &= ~data;
-			pmu->global_ovf_ctrl = data;
-			return 0;
-		}
-		break;
-	default:
-		if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0)) ||
-		    (pmc = get_fixed_pmc(pmu, msr))) {
-			if (!msr_info->host_initiated)
-				data = (s64)(s32)data;
-			pmc->counter += data - pmc_read_counter(pmc);
-			return 0;
-		} else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
-			if (data == pmc->eventsel)
-				return 0;
-			if (!(data & pmu->reserved_bits)) {
-				reprogram_gp_counter(pmc, data);
-				return 0;
-			}
-		}
-	}
-
-	return 1;
-}
-
-static void intel_pmu_refresh(struct kvm_vcpu *vcpu)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	struct kvm_cpuid_entry2 *entry;
-	union cpuid10_eax eax;
-	union cpuid10_edx edx;
-
-	pmu->nr_arch_gp_counters = 0;
-	pmu->nr_arch_fixed_counters = 0;
-	pmu->counter_bitmask[KVM_PMC_GP] = 0;
-	pmu->counter_bitmask[KVM_PMC_FIXED] = 0;
-	pmu->version = 0;
-	pmu->reserved_bits = 0xffffffff00200000ull;
-
-	entry = kvm_find_cpuid_entry(vcpu, 0xa, 0);
-	if (!entry)
-		return;
-	eax.full = entry->eax;
-	edx.full = entry->edx;
-
-	pmu->version = eax.split.version_id;
-	if (!pmu->version)
-		return;
-
-	pmu->nr_arch_gp_counters = min_t(int, eax.split.num_counters,
-					INTEL_PMC_MAX_GENERIC);
-	pmu->counter_bitmask[KVM_PMC_GP] = ((u64)1 << eax.split.bit_width) - 1;
-	pmu->available_event_types = ~entry->ebx &
-					((1ull << eax.split.mask_length) - 1);
-
-	if (pmu->version == 1) {
-		pmu->nr_arch_fixed_counters = 0;
-	} else {
-		pmu->nr_arch_fixed_counters =
-			min_t(int, edx.split.num_counters_fixed,
-				INTEL_PMC_MAX_FIXED);
-		pmu->counter_bitmask[KVM_PMC_FIXED] =
-			((u64)1 << edx.split.bit_width_fixed) - 1;
-	}
-
-	pmu->global_ctrl = ((1ull << pmu->nr_arch_gp_counters) - 1) |
-		(((1ull << pmu->nr_arch_fixed_counters) - 1) << INTEL_PMC_IDX_FIXED);
-	pmu->global_ctrl_mask = ~pmu->global_ctrl;
-
-	entry = kvm_find_cpuid_entry(vcpu, 7, 0);
-	if (entry &&
-	    (boot_cpu_has(X86_FEATURE_HLE) || boot_cpu_has(X86_FEATURE_RTM)) &&
-	    (entry->ebx & (X86_FEATURE_HLE|X86_FEATURE_RTM)))
-		pmu->reserved_bits ^= HSW_IN_TX|HSW_IN_TX_CHECKPOINTED;
-}
-
-static void intel_pmu_init(struct kvm_vcpu *vcpu)
-{
-	int i;
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-
-	for (i = 0; i < INTEL_PMC_MAX_GENERIC; i++) {
-		pmu->gp_counters[i].type = KVM_PMC_GP;
-		pmu->gp_counters[i].vcpu = vcpu;
-		pmu->gp_counters[i].idx = i;
-	}
-
-	for (i = 0; i < INTEL_PMC_MAX_FIXED; i++) {
-		pmu->fixed_counters[i].type = KVM_PMC_FIXED;
-		pmu->fixed_counters[i].vcpu = vcpu;
-		pmu->fixed_counters[i].idx = i + INTEL_PMC_IDX_FIXED;
-	}
-}
-
-static void intel_pmu_reset(struct kvm_vcpu *vcpu)
-{
-	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
-	int i;
-
-	for (i = 0; i < INTEL_PMC_MAX_GENERIC; i++) {
-		struct kvm_pmc *pmc = &pmu->gp_counters[i];
-
-		pmc_stop_counter(pmc);
-		pmc->counter = pmc->eventsel = 0;
-	}
-
-	for (i = 0; i < INTEL_PMC_MAX_FIXED; i++)
-		pmc_stop_counter(&pmu->fixed_counters[i]);
-
-	pmu->fixed_ctr_ctrl = pmu->global_ctrl = pmu->global_status =
-		pmu->global_ovf_ctrl = 0;
-}
-
-struct kvm_pmu_ops intel_pmu_ops = {
-	.find_arch_event = intel_find_arch_event,
-	.find_fixed_event = intel_find_fixed_event,
-	.pmc_is_enabled = intel_pmc_is_enabled,
-	.pmc_idx_to_pmc = intel_pmc_idx_to_pmc,
-	.msr_idx_to_pmc = intel_msr_idx_to_pmc,
-	.is_valid_msr_idx = intel_is_valid_msr_idx,
-	.is_valid_msr = intel_is_valid_msr,
-	.get_msr = intel_pmu_get_msr,
-	.set_msr = intel_pmu_set_msr,
-	.refresh = intel_pmu_refresh,
-	.init = intel_pmu_init,
-	.reset = intel_pmu_reset,
-};