243 static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, u32 support,  in acpi_pci_query_osc()  argument
250 	support |= root->osc_support_set;  in acpi_pci_query_osc()
253 	capbuf[OSC_SUPPORT_DWORD] = support;  in acpi_pci_query_osc()
265 		root->osc_support_set = support;  in acpi_pci_query_osc()
356 					    u32 support, u32 *cxl_mask,  in acpi_pci_osc_control_set()  argument
383 		status = acpi_pci_query_osc(root, support, mask, cxl_support,  in acpi_pci_osc_control_set()
437 	u32 support;  in calculate_support()  local
443 	support = OSC_PCI_SEGMENT_GROUPS_SUPPORT;  in calculate_support()
444 	support |= OSC_PCI_HPX_TYPE_3_SUPPORT;  in calculate_support()
446 		support |= OSC_PCI_EXT_CONFIG_SUPPORT;  in calculate_support()
448 		support |= OSC_PCI_ASPM_SUPPORT | OSC_PCI_CLOCK_PM_SUPPORT;  in calculate_support()
450 		support |= OSC_PCI_MSI_SUPPORT;  in calculate_support()
452 		support |= OSC_PCI_EDR_SUPPORT;  in calculate_support()
454 	return support;  in calculate_support()
493 	u32 support;  in calculate_cxl_support()  local
495 	support = OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT;  in calculate_cxl_support()
496 	support |= OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT;  in calculate_cxl_support()
498 		support |= OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT;  in calculate_cxl_support()
500 		support |= OSC_CXL_NATIVE_HP_SUPPORT;  in calculate_cxl_support()
502 	return support;  in calculate_cxl_support()
546 static bool os_control_query_checks(struct acpi_pci_root *root, u32 support)  in os_control_query_checks()  argument
555 	if ((support & ACPI_PCIE_REQ_SUPPORT) != ACPI_PCIE_REQ_SUPPORT) {  in os_control_query_checks()
566 	u32 support, control = 0, requested = 0;  in negotiate_os_control()  local
584 	support = calculate_support();  in negotiate_os_control()
586 	decode_osc_support(root, "OS supports", support);  in negotiate_os_control()
588 	if (os_control_query_checks(root, support))  in negotiate_os_control()
597 	status = acpi_pci_osc_control_set(handle, &control, support,  in negotiate_os_control()