include/linux/aer.h

Source file repositories/reference/linux-study-clean/include/linux/aer.h

File Facts

System
Linux kernel
Corpus path
include/linux/aer.h
Extension
.h
Size
1925 bytes
Lines
76
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

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 {
	u32 header;
	u32 uncor_status;
	u32 uncor_mask;
	u32 uncor_severity;
	u32 cor_status;
	u32 cor_mask;
	u32 cap_control;
	struct pcie_tlp_log header_log;
	u32 root_command;
	u32 root_status;
	u16 cor_err_source;
	u16 uncor_err_source;
};

#if defined(CONFIG_PCIEAER)
int pci_aer_clear_nonfatal_status(struct pci_dev *dev);
int pcie_aer_is_native(struct pci_dev *dev);
void pci_aer_unmask_internal_errors(struct pci_dev *dev);
#else
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; }
static inline void pci_aer_unmask_internal_errors(struct pci_dev *dev) { }
#endif

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);
#endif //_AER_H_

Annotation

Implementation Notes