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https://github.com/projectacrn/acrn-hypervisor.git
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3ebeecf060
TSC would be reset to 0 when enter suspend state on some platform. This will fail the secure timer checking in secure world because secure world leverage the TSC as source of secure timer which should be increased monotonously. This patch save/restore TSC in host suspend/resume path to guarantee the mono increasing TSC. Note: There should no timer setup before TSC resumed. Tracked-On: #3697 Signed-off-by: Qi Yadong <yadong.qi@intel.com> Reviewed-by: Yin Fengwei <fengwei.yin@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef PER_CPU_H
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#define PER_CPU_H
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#include <types.h>
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#include <sbuf.h>
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#include <irq.h>
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#include <page.h>
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#include <timer.h>
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#include <profiling.h>
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#include <logmsg.h>
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#include <gdt.h>
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#include <schedule.h>
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#include <security.h>
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#include <vm_config.h>
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struct per_cpu_region {
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/* vmxon_region MUST be 4KB-aligned */
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uint8_t vmxon_region[PAGE_SIZE];
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void *vmcs_run;
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#ifdef HV_DEBUG
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struct shared_buf *sbuf[ACRN_SBUF_ID_MAX];
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char logbuf[LOG_MESSAGE_MAX_SIZE];
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uint32_t npk_log_ref;
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#endif
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uint64_t irq_count[NR_IRQS];
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uint64_t softirq_pending;
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uint64_t spurious;
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struct acrn_vcpu *vcpu;
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struct acrn_vcpu *ever_run_vcpu;
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#ifdef STACK_PROTECTOR
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struct stack_canary stk_canary;
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#endif
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struct per_cpu_timers cpu_timers;
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struct sched_context sched_ctx;
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struct sched_object idle;
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struct host_gdt gdt;
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struct tss_64 tss;
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enum pcpu_boot_state boot_state;
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uint64_t pcpu_flag;
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uint8_t mc_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint8_t df_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint8_t sf_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint8_t stack[CONFIG_STACK_SIZE] __aligned(16);
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uint32_t lapic_id;
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uint32_t lapic_ldr;
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uint32_t softirq_servicing;
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struct smp_call_info_data smp_call_info;
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struct list_head softirq_dev_entry_list;
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#ifdef PROFILING_ON
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struct profiling_info_wrapper profiling_info;
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#endif
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uint16_t shutdown_vm_id;
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uint64_t tsc_suspend;
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} __aligned(PAGE_SIZE); /* per_cpu_region size aligned with PAGE_SIZE */
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extern struct per_cpu_region per_cpu_data[CONFIG_MAX_PCPU_NUM];
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/*
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* get percpu data for pcpu_id.
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*/
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#define per_cpu(name, pcpu_id) \
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(per_cpu_data[(pcpu_id)].name)
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/* get percpu data for current pcpu */
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#define get_cpu_var(name) per_cpu(name, get_pcpu_id())
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#endif
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