diff options
Diffstat (limited to 'include/linux/aer.h')
| -rw-r--r-- | include/linux/aer.h | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/include/linux/aer.h b/include/linux/aer.h index 4dbaa7081530..02940be66324 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2006 Intel Corp. * Tom Long Nguyen (tom.l.nguyen@intel.com) @@ -7,15 +8,34 @@ #ifndef _AER_H_ #define _AER_H_ +#include <linux/errno.h> +#include <linux/types.h> + #define AER_NONFATAL 0 #define AER_FATAL 1 #define AER_CORRECTABLE 2 +#define DPC_FATAL 3 + +/* + * AER and DPC capabilities TLP Logging register sizes (PCIe r6.2, sec 7.8.4 + * & 7.9.14). + */ +#define PCIE_STD_NUM_TLP_HEADERLOG 4 +#define PCIE_STD_MAX_TLP_PREFIXLOG 4 +#define PCIE_STD_MAX_TLP_HEADERLOG (PCIE_STD_NUM_TLP_HEADERLOG + 10) + +struct pci_dev; -struct aer_header_log_regs { - unsigned int dw0; - unsigned int dw1; - unsigned int dw2; - unsigned int dw3; +struct pcie_tlp_log { + union { + u32 dw[PCIE_STD_MAX_TLP_HEADERLOG]; + struct { + u32 _do_not_use[PCIE_STD_NUM_TLP_HEADERLOG]; + u32 prefix[PCIE_STD_MAX_TLP_PREFIXLOG]; + }; + }; + u8 header_len; /* Length of the Logged TLP Header in DWORDs */ + bool flit; /* TLP was logged when in Flit mode */ }; struct aer_capability_regs { @@ -26,7 +46,7 @@ struct aer_capability_regs { u32 cor_status; u32 cor_mask; u32 cap_control; - struct aer_header_log_regs header_log; + struct pcie_tlp_log header_log; u32 root_command; u32 root_status; u16 cor_err_source; @@ -34,30 +54,20 @@ struct aer_capability_regs { }; #if defined(CONFIG_PCIEAER) -/* pci-e port driver needs this function to enable aer */ -int pci_enable_pcie_error_reporting(struct pci_dev *dev); -int pci_disable_pcie_error_reporting(struct pci_dev *dev); -int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev); +int pci_aer_clear_nonfatal_status(struct pci_dev *dev); +int pcie_aer_is_native(struct pci_dev *dev); #else -static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev) -{ - return -EINVAL; -} -static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev) -{ - return -EINVAL; -} -static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) +static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev) { return -EINVAL; } +static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; } #endif -void cper_print_aer(struct pci_dev *dev, int cper_severity, +void pci_print_aer(struct pci_dev *dev, int aer_severity, struct aer_capability_regs *aer); int cper_severity_to_aer(int cper_severity); void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, - int severity, - struct aer_capability_regs *aer_regs); + int severity, struct aer_capability_regs *aer_regs); #endif //_AER_H_ |