/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * CXL protocol Error INJection support. * * Copyright (c) 2023 Advanced Micro Devices, Inc. * All Rights Reserved. * * Author: Ben Cheatham <benjamin.cheatham@amd.com> */ #ifndef EINJ_CXL_H #define EINJ_CXL_H #include <linux/errno.h> #include <linux/types.h> struct pci_dev; struct seq_file; #if IS_ENABLED(CONFIG_ACPI_APEI_EINJ_CXL) int einj_cxl_available_error_type_show(struct seq_file *m, void *v); int einj_cxl_inject_error(struct pci_dev *dport_dev, u64 type); int einj_cxl_inject_rch_error(u64 rcrb, u64 type); bool einj_cxl_is_initialized(void); #else /* !IS_ENABLED(CONFIG_ACPI_APEI_EINJ_CXL) */ static inline int einj_cxl_available_error_type_show(struct seq_file *m, void *v) { return -ENXIO; } static inline int einj_cxl_inject_error(struct pci_dev *dport_dev, u64 type) { return -ENXIO; } static inline int einj_cxl_inject_rch_error(u64 rcrb, u64 type) { return -ENXIO; } static inline bool einj_cxl_is_initialized(void) { return false; } #endif /* CONFIG_ACPI_APEI_EINJ_CXL */ #endif /* EINJ_CXL_H */