acrn-config: add functions to get pci count per vm
Function to get pci dev number per VM Tracked-On: #5426 Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
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@ -131,6 +131,43 @@ def get_shmem_num(shmem_regions):
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return shmem_num
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def get_pci_dev_num_per_vm():
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pci_dev_num_per_vm = {}
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pci_items = common.get_leaf_tag_map(common.SCENARIO_INFO_FILE, "pci_devs", "pci_dev")
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pci_devs = get_pci_devs(pci_items)
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pci_dev_num = get_pci_num(pci_devs)
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ivshmem_region = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
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"FEATURES", "IVSHMEM", "IVSHMEM_REGION")
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shmem_enabled = common.get_hv_item_tag(common.SCENARIO_INFO_FILE,
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"FEATURES", "IVSHMEM", "IVSHMEM_ENABLED")
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shmem_regions = get_shmem_regions(ivshmem_region)
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shmem_num = get_shmem_num(shmem_regions)
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for vm_i,vm_type in common.VM_TYPES.items():
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if "POST_LAUNCHED_VM" == VM_DB[vm_type]['load_type']:
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shmem_num_i = 0
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if shmem_enabled == 'y' and vm_i in shmem_num.keys():
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shmem_num_i = shmem_num[vm_i]
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pci_dev_num_per_vm[vm_i] = shmem_num_i
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elif "PRE_LAUNCHED_VM" == VM_DB[vm_type]['load_type']:
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shmem_num_i = 0
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if shmem_enabled == 'y' and vm_i in shmem_num.keys():
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shmem_num_i = shmem_num[vm_i]
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if pci_dev_num[vm_i] == 1:
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# there is only vhostbridge but no passthrough device
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# remove the count of vhostbridge, check get_pci_num definition
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pci_dev_num[vm_i] -= 1
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pci_dev_num_per_vm[vm_i] = pci_dev_num[vm_i] + shmem_num_i
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elif "SOS_VM" == VM_DB[vm_type]['load_type']:
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continue
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return pci_dev_num_per_vm
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def check_board_private_info():
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if 'SOS_VM' not in common.VM_TYPES.values():
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