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https://github.com/projectacrn/acrn-hypervisor.git
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hv: remove mptable code for pre-launched VMs
Now that ACPI is enabled for pre-launched VMs, we can remove all mptable code. Tracked-On: #3601 Signed-off-by: dongshen <dongsheng.x.zhang@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
dongshen
wenlingz
parent
b447ce3d86
commit
295701cc55
@ -245,7 +245,6 @@ VP_BASE_C_SRCS += arch/x86/guest/ucode.c
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VP_BASE_C_SRCS += boot/guest/vboot_info.c
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VP_BASE_C_SRCS += common/hv_main.c
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VP_BASE_C_SRCS += common/vm_load.c
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VP_BASE_C_SRCS += arch/x86/configs/vmptable.c
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VP_BASE_C_SRCS += arch/x86/configs/pci_dev.c
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VP_BASE_C_SRCS += arch/x86/configs/vacpi.c
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VP_BASE_C_SRCS += arch/x86/configs/$(CONFIG_BOARD)/ve820.c
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@ -1,142 +0,0 @@
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/*
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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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#include <vm.h>
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#include <per_cpu.h>
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#include <mptable.h>
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#include <default_acpi_info.h>
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static struct mptable_info vm_mptables[CONFIG_MAX_VM_NUM];
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static struct mptable_info mptable_template = {
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.mpfp = {
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.signature = MPFP_SIG,
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.pap = MPTABLE_BASE + sizeof(struct mpfps),
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.length = 1U,
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.spec_rev = MP_SPECREV,
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},
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.mpch = {
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.signature = MPCH_SIG,
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.spec_rev = MP_SPECREV,
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.oem_id = MPCH_OEMID,
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.product_id = MPCH_PRODID,
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.apic_address = LAPIC_BASE,
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},
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.bus_entry_array = {
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{
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.type = MPCT_ENTRY_BUS,
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.bus_id = 0U,
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.bus_type = MPE_BUSNAME_PCI,
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},
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{
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.type = MPCT_ENTRY_BUS,
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.bus_id = 1U,
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.bus_type = MPE_BUSNAME_ISA,
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},
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},
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.int_entry_array = {
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{
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.type = MPCT_ENTRY_LOCAL_INT,
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.int_type = INTENTRY_TYPE_EXTINT,
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.int_flags = INTENTRY_FLAGS_POLARITY_CONFORM \
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| INTENTRY_FLAGS_TRIGGER_CONFORM,
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.dst_apic_id = 0xFFU,
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.dst_apic_int = 0U,
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},
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{
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.type = MPCT_ENTRY_LOCAL_INT,
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.int_type = INTENTRY_TYPE_NMI,
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.int_flags = INTENTRY_FLAGS_POLARITY_CONFORM \
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| INTENTRY_FLAGS_TRIGGER_CONFORM,
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.dst_apic_id = 0xFFU,
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.dst_apic_int = 1U,
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},
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},
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};
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static struct proc_entry proc_entry_template = {
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.type = MPCT_ENTRY_PROCESSOR,
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.apic_version = LAPIC_VERSION_NUM,
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.cpu_flags = PROCENTRY_FLAG_EN,
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.cpu_signature = MPEP_SIG,
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.feature_flags = MPEP_FEATURES
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};
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static uint8_t mpt_compute_checksum(const void *base, size_t len)
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{
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uint8_t sum = 0U;
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size_t length;
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const uint8_t *bytes = (const uint8_t *)base;
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for (length = len; length > 0U; length--) {
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sum += *bytes;
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bytes++;
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}
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return (~sum) + 1U;
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}
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/**
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* @pre vm != NULL
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* @pre vm->vm_id < CONFIG_MAX_VM_NUM
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*/
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int32_t mptable_build(struct acrn_vm *vm)
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{
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struct mpcth *mpch;
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struct mpfps *mpfp;
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struct mptable_info *mpinfo;
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size_t mptable_length;
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uint16_t i;
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uint16_t vcpu_num;
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int32_t ret = 0;
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uint64_t pcpu_bitmap = 0U;
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struct mptable_info *mptable;
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struct acrn_vm_config *vm_config;
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vm_config = get_vm_config(vm->vm_id);
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mptable = &vm_mptables[vm->vm_id];
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vcpu_num = vm->hw.created_vcpus;
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pcpu_bitmap = vm_config->pcpu_bitmap;
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(void)memcpy_s((void *)mptable, sizeof(struct mptable_info),
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(const void *)&mptable_template, sizeof(struct mptable_info));
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mptable->mpch.entry_count = vcpu_num + MPE_NUM_BUSES + MPEII_NUM_LOCAL_IRQ;
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mptable->mpch.base_table_length = (uint16_t)sizeof(struct mpcth)
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+ vcpu_num * (uint16_t)sizeof(struct proc_entry)
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+ MPE_NUM_BUSES * (uint16_t)sizeof(struct bus_entry)
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+ MPEII_NUM_LOCAL_IRQ * (uint16_t)sizeof(struct int_entry);
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mptable_length = sizeof(struct mpfps) + (uint32_t)mptable->mpch.base_table_length;
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if (mptable_length <= MPTABLE_MAX_LENGTH) {
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for (i = 0U; i < vcpu_num; i++) {
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uint16_t pcpu_id = ffs64(pcpu_bitmap);
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(void)memcpy_s((void *)(mptable->proc_entry_array + i), sizeof(struct proc_entry),
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(const void *)&proc_entry_template, sizeof(struct proc_entry));
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mptable->proc_entry_array[i].apic_id = (uint8_t) i;
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if (i == 0U) {
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mptable->proc_entry_array[i].cpu_flags |= PROCENTRY_FLAG_BP;
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}
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bitmap_clear_lock(pcpu_id, &pcpu_bitmap);
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}
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/* Copy mptable info into guest memory */
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(void)copy_to_gpa(vm, (void *)mptable, MPTABLE_BASE, mptable_length);
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mpinfo = (struct mptable_info *) gpa2hva(vm, MPTABLE_BASE);
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stac();
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mpfp = &mpinfo->mpfp;
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mpfp->checksum = mpt_compute_checksum(mpfp, sizeof(struct mpfps));
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mpch = &mpinfo->mpch;
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mpch->checksum = mpt_compute_checksum(mpch, mpch->base_table_length);
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clac();
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ret = 0;
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} else {
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ret = -1;
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}
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return ret;
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}
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@ -742,7 +742,6 @@ void prepare_vm(uint16_t vm_id, struct acrn_vm_config *vm_config)
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if (err == 0) {
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if (is_prelaunched_vm(vm)) {
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(void)mptable_build(vm);
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build_vacpi(vm);
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}
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@ -11,7 +11,6 @@
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#include <pci.h>
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#include <multiboot.h>
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#include <acrn_common.h>
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#include <mptable.h>
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#include <vacpi.h>
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#include <vm_configurations.h>
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#include <sgx.h>
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@ -1,151 +0,0 @@
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/*
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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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/************************************************************************
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*
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* FILE NAME
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*
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* mptable.h
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*
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* DESCRIPTION
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*
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* This file defines API and extern variable for VM mptable info
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*
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************************************************************************/
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/**********************************/
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/* EXTERNAL VARIABLES */
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/**********************************/
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#ifndef MPTABLE_H
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#define MPTABLE_H
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#define MPTABLE_BASE 0xF0000U
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/*
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* floating pointer length + maximum length of configuration table
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* ACRN uses contiguous guest memory from 0xF0000 to place floating pointer
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* structure and config table. Maximum length of config table is 64K. So the
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* maximum length of combined floating pointer and config table can go up to
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* 64K + 16 bytes.Since we are left with only 64K from 0xF0000 to 0x100000(1MB)
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* max length is limited to 64K.
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*/
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#define MPTABLE_MAX_LENGTH 65536U
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#define LAPIC_VERSION_NUM 16U
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#define MP_SPECREV 4U
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#define MPFP_SIG "_MP_"
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/* Configuration header defines */
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#define MPCH_SIG "PCMP"
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#define MPCH_OEMID "ACRN "
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#define MPCH_OEMID_LEN 8U
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#define MPCH_PRODID "Hypervisor "
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#define MPCH_PRODID_LEN 12U
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/* Processor entry defines */
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#define MPEP_SIG_FAMILY 6U
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#define MPEP_SIG_MODEL 26U
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#define MPEP_SIG_STEPPING 5U
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#define MPEP_SIG \
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((MPEP_SIG_FAMILY << 8U) | \
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(MPEP_SIG_MODEL << 4U) | \
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(MPEP_SIG_STEPPING))
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#define MPEP_FEATURES 0xBFEBFBFFU /* XXX Intel i7 */
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/* Number of local intr entries */
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#define MPEII_NUM_LOCAL_IRQ 2U
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/* Bus entry defines */
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#define MPE_NUM_BUSES 2U
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#define MPE_BUSNAME_LEN 6U
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#define MPE_BUSNAME_ISA "ISA "
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#define MPE_BUSNAME_PCI "PCI "
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/* Base table entries */
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#define MPCT_ENTRY_PROCESSOR 0U
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#define MPCT_ENTRY_BUS 1U
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#define MPCT_ENTRY_LOCAL_INT 4U
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#define PROCENTRY_FLAG_EN 0x01U
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#define PROCENTRY_FLAG_BP 0x02U
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#define INTENTRY_TYPE_NMI 1U
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#define INTENTRY_TYPE_EXTINT 3U
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#define INTENTRY_FLAGS_POLARITY_CONFORM 0x0U
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#define INTENTRY_FLAGS_TRIGGER_CONFORM 0x0U
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/* MP Floating Pointer Structure */
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struct mpfps {
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char signature[4];
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uint32_t pap;
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uint8_t length;
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uint8_t spec_rev;
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uint8_t checksum;
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uint8_t config_type;
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uint8_t mpfb2;
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uint8_t mpfb3;
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uint8_t mpfb4;
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uint8_t mpfb5;
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} __packed;
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/* MP Configuration Table Header */
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struct mpcth {
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char signature[4];
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uint16_t base_table_length;
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uint8_t spec_rev;
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uint8_t checksum;
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char oem_id[8];
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char product_id[12];
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uint32_t oem_table_pointer;
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uint16_t oem_table_size;
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uint16_t entry_count;
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uint32_t apic_address;
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uint16_t extended_table_length;
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uint8_t extended_table_checksum;
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uint8_t reserved;
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} __packed;
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struct proc_entry {
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uint8_t type;
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uint8_t apic_id;
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uint8_t apic_version;
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uint8_t cpu_flags;
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uint32_t cpu_signature;
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uint32_t feature_flags;
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uint32_t reserved1;
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uint32_t reserved2;
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} __packed;
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struct bus_entry {
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uint8_t type;
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uint8_t bus_id;
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char bus_type[6];
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} __packed;
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struct int_entry {
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uint8_t type;
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uint8_t int_type;
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uint16_t int_flags;
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uint8_t src_bus_id;
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uint8_t src_bus_irq;
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uint8_t dst_apic_id;
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uint8_t dst_apic_int;
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} __packed;
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struct mptable_info {
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struct mpfps mpfp;
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struct mpcth mpch;
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struct bus_entry bus_entry_array[MPE_NUM_BUSES];
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struct int_entry int_entry_array[MPEII_NUM_LOCAL_IRQ];
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struct proc_entry proc_entry_array[CONFIG_MAX_PCPU_NUM];
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};
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int32_t mptable_build(struct acrn_vm *vm);
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#endif /* MPTABLE_H */
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