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7380c167ed
ACRN in partition mode emulates UART for the VMs directly launced from HV. This patch adds an option to enable/disable vUART for a VM. Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
109 lines
2.5 KiB
C
109 lines
2.5 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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#include <hypervisor.h>
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#if defined(CONFIG_VM0_DESC) && !defined(CONFIG_PARTITION_MODE)
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/* Number of CPUs in VM0 */
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#define VM0_NUM_CPUS 1
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/* Logical CPU IDs assigned to VM0 */
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uint16_t VM0_CPUS[VM0_NUM_CPUS] = {0U};
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struct vm_description vm0_desc = {
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.vm_hw_num_cores = VM0_NUM_CPUS,
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.vm_pcpu_ids = &VM0_CPUS[0],
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};
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#else
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struct vm_description vm0_desc;
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#endif // CONFIG_VM0_DESC
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#ifdef CONFIG_PARTITION_MODE
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#define NUM_USER_VMS 2U
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/**********************/
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/* VIRTUAL MACHINE 0 */
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/*********************/
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/* Number of CPUs in this VM*/
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#define VM1_NUM_CPUS 2U
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/* Logical CPU IDs assigned to this VM */
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int VM1_CPUS[VM1_NUM_CPUS] = {0U, 2U};
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/*********************/
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/* VIRTUAL MACHINE 1 */
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/*********************/
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/* Number of CPUs in this VM*/
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#define VM2_NUM_CPUS 2U
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/* Logical CPU IDs assigned with this VM */
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int VM2_CPUS[VM2_NUM_CPUS] = {3U, 1U};
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/*******************************/
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/* User Defined VM definitions */
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/*******************************/
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const struct vm_description_array vm_desc_mrb = {
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/* Number of user virtual machines */
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.num_vm_desc = NUM_USER_VMS,
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/* Virtual Machine descriptions */
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.vm_desc_array = {
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{
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/* Internal variable, MUSTBE init to -1 */
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.vm_hw_num_cores = VM1_NUM_CPUS,
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.vm_pcpu_ids = &VM1_CPUS[0],
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.vm_id = 1U,
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.start_hpa = 0x100000000UL,
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.mem_size = 0x80000000UL, /* uses contiguous memory from host */
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.vm_vuart = true,
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.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
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console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
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consoleblank=0 tsc=reliable"
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},
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{
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/* Internal variable, MUSTBE init to -1 */
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.vm_hw_num_cores = VM2_NUM_CPUS,
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.vm_pcpu_ids = &VM2_CPUS[0],
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.vm_id = 2U,
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.start_hpa = 0x180000000UL,
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.mem_size = 0x80000000UL, /* uses contiguous memory from host */
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.vm_vuart = true,
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.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
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console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
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consoleblank=0 tsc=reliable"
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},
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}
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};
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const struct pcpu_vm_desc_mapping pcpu_vm_desc_map[] = {
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
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.is_bsp = true,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
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.is_bsp = false,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
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.is_bsp = false,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
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.is_bsp = true,
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},
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};
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#endif
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