acrn-config: support generation of per vcpu clos configuraton

Added "vcpu_clos" to configuration XML, here is an example of VM2 with 2 vCPUs:
  <clos desc="Class of Service for Cache Allocation Technology. Please refer SDM 17.19.2 for details and use with caution.">
	<vcpu_clos>1</vcpu_clos>
	<vcpu_clos>0</vcpu_clos>
  </clos>

A macro will be generated in vm_configuration.h:
  #define VM2_VCPU_CLOS          {1U, 0U}

And the macro will be used in vm_configuration.c:
  struct acrn_vm_config vm_configs[CONFIG_MAX_VM_NUM] = {
	...
	{
		...
		.clos = VM2_VCPU_CLOS,
		...
	}
  }

Tracked-On: #4566
Signed-off-by: Yan, Like <like.yan@intel.com>
Reviewed-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Yan, Like
2020-03-24 15:38:32 +08:00
committed by wenlingz
parent 2997c4b570
commit 0b384b7284
5 changed files with 79 additions and 9 deletions

View File

@@ -278,7 +278,7 @@ class VmInfo:
name = {}
load_order = {}
uuid = {}
clos_set = {}
clos_per_vm = {}
guest_flag_idx = {}
cpus_per_vm = {}
severity = {}
@@ -307,7 +307,9 @@ class VmInfo:
self.scenario_info, "guest_flags", "guest_flag")
self.cpus_per_vm = scenario_cfg_lib.get_leaf_tag_map(
self.scenario_info, "vcpu_affinity", "pcpu_id")
self.clos_set = scenario_cfg_lib.get_leaf_tag_map(self.scenario_info, "clos")
self.clos_per_vm = scenario_cfg_lib.get_leaf_tag_map(
self.scenario_info, "clos", "vcpu_clos")
self.severity = scenario_cfg_lib.get_leaf_tag_map(self.scenario_info, "severity")
self.epc_section.get_info()
self.mem_info.get_info()
@@ -323,6 +325,13 @@ class VmInfo:
"""
return scenario_cfg_lib.cpus_assignment(self.cpus_per_vm, index)
def get_clos_bitmap(self, index):
"""
:param index: index list in GUESF_FLAGS
:return: clos per vm and their vm id
"""
return scenario_cfg_lib.clos_assignment(self.clos_per_vm, index)
def check_item(self):
"""
Check all items in this class

View File

@@ -201,9 +201,8 @@ def clos_output(vm_info, i, config):
common_clos_max = min(rdt_res_clos_max)
else:
common_clos_max = 0
if len(rdt_res) != 0 and common_clos_max !=0 and i in vm_info.clos_set:
print("\t\t.clos = {0}U,".format(vm_info.clos_set[i]), file=config)
if len(rdt_res) != 0 and common_clos_max !=0 and i in vm_info.clos_per_vm:
print("\t\t.clos = VM{}_VCPU_CLOS,".format(i), file=config)
def get_guest_flag(flag_index):
"""
@@ -274,7 +273,6 @@ def gen_sdc_source(vm_info, config):
"there is supposed to be the highest severity guest */", file=config)
print("\t\t.guest_flags = {0},".format(sos_guest_flags), file=config)
vcpu_affinity_output(vm_info, 0, config)
clos_output(vm_info, 0, config)
print("\t\t.severity = {0},".format(vm_info.severity[0].strip()), file=config)
print("\t\t.memory = {", file=config)
print("\t\t\t.start_hpa = {}UL,".format(vm_info.mem_info.mem_start_hpa[0]), file=config)
@@ -555,9 +553,9 @@ def gen_industry_source(vm_info, config):
vcpu_affinity_output(vm_info, i, config)
print("\t\t.severity = {0},".format(vm_info.severity[i].strip()), file=config)
clos_output(vm_info, i, config)
if i == 0:
clos_output(vm_info, i, config)
print("\t\t.memory = {", file=config)
print("\t\t\t.start_hpa = 0UL,", file=config)
print("\t\t\t.size = CONFIG_SOS_RAM_SIZE,", file=config)

View File

@@ -4,6 +4,7 @@
#
import scenario_cfg_lib
import board_cfg_lib
VM_HEADER_DEFINE = scenario_cfg_lib.HEADER_LICENSE + r"""
#ifndef VM_CONFIGURATIONS_H
@@ -35,6 +36,24 @@ def cpu_affinity_output(vm_info, i, config):
print("#define VM{0}_CONFIG_VCPU_AFFINITY\t\t{1}".format(
i, cpu_bits['cpu_map']), file=config)
def clos_config_output(vm_info, i, config):
"""
Output the macro vcpu affinity
:param vm_info: the data structure have all the xml items values
:param i: the index of vm id
:param config: file pointor to store the information
"""
(rdt_res, rdt_res_clos_max, _) = board_cfg_lib.clos_info_parser(scenario_cfg_lib.BOARD_INFO_FILE)
if len(rdt_res_clos_max) != 0:
common_clos_max = min(rdt_res_clos_max)
else:
common_clos_max = 0
if common_clos_max == 0:
return
clos_config = vm_info.get_clos_bitmap(i)
print("#define VM{0}_VCPU_CLOS\t\t{1}".format(i, clos_config['clos_map']), file=config)
def scenario_vm_num(load_type_cnt, config):
@@ -70,16 +89,19 @@ def gen_sdc_header(vm_info, config):
print("#if CONFIG_MAX_KATA_VM_NUM > 0", file=config)
# Set VM1 vcpu
cpu_affinity_output(vm_info, 1, config)
clos_config_output(vm_info, 1, config)
# KATA VM
cpu_affinity_output(vm_info, 2, config)
clos_config_output(vm_info, 2, config)
#else:
print("#else", file=config)
# Only two VMs in SDC config, setup vcpu affinity for VM1
cpu_affinity_output(vm_info, 1, config)
clos_config_output(vm_info, 1, config)
print("#endif", file=config)
else:
cpu_affinity_output(vm_info, 1, config)
clos_config_output(vm_info, 1, config)
print("", file=config)
print("{0}".format(VM_END_DEFINE), file=config)
@@ -108,6 +130,7 @@ def gen_sdc2_header(vm_info, config):
print("", file=config)
for i in range(scenario_cfg_lib.VM_COUNT):
cpu_affinity_output(vm_info, i, config)
clos_config_output(vm_info, i, config)
print("", file=config)
print("{0}".format(VM_END_DEFINE), file=config)
@@ -157,6 +180,7 @@ def gen_logical_partition_header(vm_info, config):
cpu_bits = vm_info.get_cpu_bitmap(i)
cpu_affinity_output(vm_info, i, config)
clos_config_output(vm_info, i, config)
print("#define VM{0}_CONFIG_MEM_START_HPA\t\t{1}UL".format(
i, vm_info.mem_info.mem_start_hpa[i]), file=config)
print("#define VM{0}_CONFIG_MEM_SIZE\t\t\t{1}UL".format(
@@ -225,6 +249,7 @@ def gen_industry_header(vm_info, config):
print("", file=config)
for i in range(scenario_cfg_lib.VM_COUNT):
cpu_affinity_output(vm_info, i, config)
clos_config_output(vm_info, i, config)
print("", file=config)
print("{0}".format(VM_END_DEFINE), file=config)
@@ -249,6 +274,7 @@ def gen_hybrid_header(vm_info, config):
print("", file=config)
for i in range(scenario_cfg_lib.VM_COUNT):
cpu_affinity_output(vm_info, i, config)
clos_config_output(vm_info, i, config)
print("#define VM0_CONFIG_MEM_START_HPA\t{0}UL".format(
vm_info.mem_info.mem_start_hpa[0]), file=config)