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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (C) 2006 Intel Corp.4 * Tom Long Nguyen (tom.l.nguyen@intel.com)5 * Zhang Yanmin (yanmin.zhang@intel.com)6 */7 8#ifndef _AER_H_9#define _AER_H_10 11#include <linux/errno.h>12#include <linux/types.h>13 14#define AER_NONFATAL 015#define AER_FATAL 116#define AER_CORRECTABLE 217#define DPC_FATAL 318 19struct pci_dev;20 21struct pcie_tlp_log {22 u32 dw[4];23};24 25struct aer_capability_regs {26 u32 header;27 u32 uncor_status;28 u32 uncor_mask;29 u32 uncor_severity;30 u32 cor_status;31 u32 cor_mask;32 u32 cap_control;33 struct pcie_tlp_log header_log;34 u32 root_command;35 u32 root_status;36 u16 cor_err_source;37 u16 uncor_err_source;38};39 40int pcie_read_tlp_log(struct pci_dev *dev, int where, struct pcie_tlp_log *log);41 42#if defined(CONFIG_PCIEAER)43int pci_aer_clear_nonfatal_status(struct pci_dev *dev);44int pcie_aer_is_native(struct pci_dev *dev);45#else46static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)47{48 return -EINVAL;49}50static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; }51#endif52 53void pci_print_aer(struct pci_dev *dev, int aer_severity,54 struct aer_capability_regs *aer);55int cper_severity_to_aer(int cper_severity);56void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,57 int severity, struct aer_capability_regs *aer_regs);58#endif //_AER_H_59 60