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acrn-config: add functions to get pci count per vm

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Function to get pci dev number per VM

Tracked-On: #5426
Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
This commit is contained in:
Yang, Yu-chu 2020-10-21 21:49:30 -07:00 committed by wenlingz
parent bda53a3599
commit fc5add8dd6
1 changed files with 37 additions and 0 deletions
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37
misc/acrn-config/library/scenario_cfg_lib.py
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@ -131,6 +131,43 @@ def get_shmem_num(shmem_regions):
return shmem_num return shmem_num
def get_pci_dev_num_per_vm():
pci_dev_num_per_vm = {}
pci_items = common.get_leaf_tag_map(common.SCENARIO_INFO_FILE, "pci_devs", "pci_dev")
pci_devs = get_pci_devs(pci_items)
pci_dev_num = get_pci_num(pci_devs)
ivshmem_region = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
"FEATURES", "IVSHMEM", "IVSHMEM_REGION")
shmem_enabled = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
"FEATURES", "IVSHMEM", "IVSHMEM_ENABLED")
shmem_regions = get_shmem_regions(ivshmem_region)
shmem_num = get_shmem_num(shmem_regions)
for vm_i,vm_type in common.VM_TYPES.items():
if "POST_LAUNCHED_VM" == VM_DB[vm_type]['load_type']:
shmem_num_i = 0
if shmem_enabled == 'y' and vm_i in shmem_num.keys():
shmem_num_i = shmem_num[vm_i]
pci_dev_num_per_vm[vm_i] = shmem_num_i
elif "PRE_LAUNCHED_VM" == VM_DB[vm_type]['load_type']:
shmem_num_i = 0
if shmem_enabled == 'y' and vm_i in shmem_num.keys():
shmem_num_i = shmem_num[vm_i]
if pci_dev_num[vm_i] == 1:
# there is only vhostbridge but no passthrough device
# remove the count of vhostbridge, check get_pci_num definition
pci_dev_num[vm_i] -= 1
pci_dev_num_per_vm[vm_i] = pci_dev_num[vm_i] + shmem_num_i
elif "SOS_VM" == VM_DB[vm_type]['load_type']:
continue
return pci_dev_num_per_vm
def check_board_private_info(): def check_board_private_info():
if 'SOS_VM' not in common.VM_TYPES.values(): if 'SOS_VM' not in common.VM_TYPES.values():