hv: vE820: calculate SOS memory size by vE820 tables
SOS's memory size could be calculated by its vE820 Tables easily. Tracked-On: #5830 Signed-off-by: Li Fei1 <fei1.li@intel.com> Acked-by: eddie Dong <eddie.dong@intel.com>
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@ -86,11 +86,10 @@ static void filter_mem_from_sos_e820(struct acrn_vm *vm, uint64_t start_pa, uint
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*/
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void create_sos_vm_e820(struct acrn_vm *vm)
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{
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uint16_t vm_id;
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uint16_t vm_id, i;
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uint64_t hv_start_pa = hva2hpa((void *)(get_hv_image_base()));
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uint64_t hv_end_pa = hv_start_pa + CONFIG_HV_RAM_SIZE;
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uint32_t entries_count = get_e820_entries_count();
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const struct mem_range *p_mem_range_info = get_mem_range_info();
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struct acrn_vm_config *sos_vm_config = get_vm_config(vm->vm_id);
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(void)memcpy_s((void *)sos_vm_e820, entries_count * sizeof(struct e820_entry),
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@ -100,7 +99,6 @@ void create_sos_vm_e820(struct acrn_vm *vm)
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vm->e820_entries = sos_vm_e820;
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/* filter out hv memory from e820 table */
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filter_mem_from_sos_e820(vm, hv_start_pa, hv_end_pa);
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sos_vm_config->memory.size = p_mem_range_info->total_mem_size - CONFIG_HV_RAM_SIZE;
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/* filter out prelaunched vm memory from e820 table */
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for (vm_id = 0U; vm_id < CONFIG_MAX_VM_NUM; vm_id++) {
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@ -109,16 +107,21 @@ void create_sos_vm_e820(struct acrn_vm *vm)
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if (vm_config->load_order == PRE_LAUNCHED_VM) {
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filter_mem_from_sos_e820(vm, vm_config->memory.start_hpa,
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vm_config->memory.start_hpa + vm_config->memory.size);
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sos_vm_config->memory.size -= vm_config->memory.size;
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/* if HPA2 is available, filter it out as well*/
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if (vm_config->memory.size_hpa2 != 0UL) {
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filter_mem_from_sos_e820(vm, vm_config->memory.start_hpa2,
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vm_config->memory.start_hpa2 + vm_config->memory.size_hpa2);
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sos_vm_config->memory.size -= vm_config->memory.size_hpa2;
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}
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}
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}
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for (i = 0U; i < vm->e820_entry_num; i++) {
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struct e820_entry *entry = &sos_vm_e820[i];
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if ((entry->type == E820_TYPE_RAM)) {
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sos_vm_config->memory.size += entry->length;
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}
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}
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}
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static const struct e820_entry pre_ve820_template[E820_MAX_ENTRIES] = {
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