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acrn-config: insert vuart device information to pci_dev.c

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- Find unused bdf for SOS and pre-launched VM's pci vuart if it's
enabled
- The vuart cannot detect the function difference, find the unused vbdf
based on "dev" increment

Tracked-On: #5425
Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
This commit is contained in:
Yang, Yu-chu 2020-10-21 21:54:06 -07:00 committed by wenlingz
parent 53c488844f
commit 6b8ec62b52
1 changed files with 55 additions and 0 deletions
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55
misc/acrn-config/scenario_config/pci_dev_c.py
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@ -107,6 +107,14 @@ def generate_file(vm_info, config):
sos_used_bdf.append(bdf_tuple)
vuarts = common.get_vuart_info(common.SCENARIO_INFO_FILE)
vuarts_num = scenario_cfg_lib.get_vuart_num(vuarts)
pci_vuart_enabled = False
for vm_i in common.VM_TYPES:
if vuarts_num[vm_i] > 0:
pci_vuart_enabled = True
break
print("{}".format(scenario_cfg_lib.HEADER_LICENSE), file=config)
print("", file=config)
@ -116,6 +124,8 @@ def generate_file(vm_info, config):
print("#include <vbar_base.h>", file=config)
print("#include <mmu.h>", file=config)
print("#include <page.h>", file=config)
if pci_vuart_enabled:
print("#include <vmcs9900.h>", file=config)
# Insert header for share memory
if vm_info.shmem.shmem_enabled == 'y':
print("#include <ivshmem_cfg.h>", file=config)
@ -133,6 +143,8 @@ def generate_file(vm_info, config):
print(" * TODO: add DEV_PCICOMMON macro to initialize emu_type, vbdf and vdev_ops", file=config)
print(" * to simplify the code.", file=config)
print(" */", file=config)
if pci_vuart_enabled:
print("#define INVALID_PCI_BASE\t0U",file=config)
for vm_i, vm_type in common.VM_TYPES.items():
vm_used_bdf = []
@ -236,5 +248,48 @@ def generate_file(vm_info, config):
pci_cnt += 1
print("\t},", file=config)
if vm_i in vuarts.keys():
# get legacy vuart information
vuart0_setting = common.get_vuart_info_id(common.SCENARIO_INFO_FILE, 0)
vuart1_setting = common.get_vuart_info_id(common.SCENARIO_INFO_FILE, 1)
for vuart_id in vuarts[vm_i].keys():
if vuarts[vm_i][vuart_id]['base'] == "INVALID_PCI_BASE":
continue
# skip pci vuart 0 for post-launched vm
if vuart_id == 0 and scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "POST_LAUNCHED_VM":
continue
# Skip pci vuart 0 if the legacy vuart 0 is enabled
if vuart_id == 0 and vm_i in vuart0_setting and vuart0_setting[vm_i]['base'] != "INVALID_COM_BASE":
continue
# Skip pci vuart 1 if the legacy vuart 1 is enabled
if vuart_id == 1 and vm_i in vuart1_setting and vuart1_setting[vm_i]['base'] != "INVALID_COM_BASE":
continue
print("\t{", file=config)
print("\t\t.vuart_idx = {:1d},".format(vuart_id), file=config)
print("\t\t.emu_type = {},".format(PCI_DEV_TYPE[0]), file=config)
print("\t\t.vdev_ops = &vmcs9900_ops,", file=config)
if vuart_id != 0 and scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "POST_LAUNCHED_VM":
print("\t\t.vbar_base[0] = INVALID_PCI_BASE,", file=config)
print("\t\t.vbdf.value = UNASSIGNED_VBDF,", file=config)
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] != "POST_LAUNCHED_VM":
print("\t\tVM{:1d}_VUART_{:1d}_VBAR,".format(vm_i, vuart_id), file=config)
if scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "PRE_LAUNCHED_VM":
free_bdf = find_unused_bdf(vm_used_bdf, "vuart")
vm_used_bdf.append(free_bdf)
elif scenario_cfg_lib.VM_DB[vm_type]['load_type'] == "SOS_VM":
free_bdf = find_unused_bdf(sos_used_bdf, "vuart")
sos_used_bdf.append(free_bdf)
print("\t\t.vbdf.bits = {{.b = 0x00U, .d = 0x{:02d}U, .f = 0x{:02d}U}},".format(free_bdf.dev,free_bdf.func), file=config)
if vuart_id != 0:
print("\t\t.t_vuart.vm_id = {},".format(vuarts[vm_i][vuart_id]['target_vm_id']), file=config)
print("\t\t.t_vuart.vuart_id = {},".format(vuarts[vm_i][vuart_id]['target_uart_id']), file=config)
pci_cnt += 1
print("\t},", file=config)
# Insert the end bracket of the pci_dev.c file
print("};", file=config)