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| author | Bjorn Helgaas <bhelgaas@google.com> | 2018-08-15 22:58:45 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-08-15 22:58:45 +0300 |
| commit | 3c3ab37f4c03dc9c7c917ff3c1e71d6da81d3bd3 (patch) | |
| tree | e5b3368d2615f937f928656387de24e4a3b86b1c /drivers/pci/pci.h | |
| parent | af863d18a1fbedd164366d0f3d4946d9cc3edc46 (diff) | |
| parent | 45687f96c112adda2f1d1f05b977661eb00d5a1c (diff) | |
| download | linux-3c3ab37f4c03dc9c7c917ff3c1e71d6da81d3bd3.tar.xz | |
Merge branch 'pci/aer'
- Decode AER errors with names similar to "lspci" (Tyler Baicar)
- Expose AER statistics in sysfs (Rajat Jain)
- Clear AER status bits selectively based on the type of recovery (Oza
Pawandeep)
- Honor "pcie_ports=native" even if HEST sets FIRMWARE_FIRST (Alexandru
Gagniuc)
- Don't clear AER status bits if we're using the "Firmware-First"
strategy where firmware owns the registers (Alexandru Gagniuc)
* pci/aer:
PCI/AER: Don't clear AER bits if error handling is Firmware-First
PCI/AER: Remove duplicate PCI_EXP_AER_FLAGS definition
PCI/portdrv: Remove pcie_portdrv_err_handler.slot_reset
PCI/AER: Clear device status bits during ERR_COR handling
PCI/AER: Clear device status bits during ERR_FATAL and ERR_NONFATAL
PCI/AER: Remove ERR_FATAL code from ERR_NONFATAL path
PCI/AER: Factor out ERR_NONFATAL status bit clearing
PCI/AER: Clear only ERR_NONFATAL bits during non-fatal recovery
PCI/AER: Clear only ERR_FATAL status bits during fatal recovery
PCI/AER: Honor "pcie_ports=native" even if HEST sets FIRMWARE_FIRST
PCI/AER: Add sysfs attributes for rootport cumulative stats
PCI/AER: Add sysfs attributes to provide AER stats and breakdown
PCI/AER: Define aer_stats structure for AER capable devices
PCI/AER: Move internal declarations to drivers/pci/pci.h
PCI/AER: Adopt lspci names for AER error decoding
PCI/AER: Expose internal API for obtaining AER information
# Conflicts:
# drivers/pci/pci.h
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 08817253c8a2..3ac0d99afe67 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -311,6 +311,34 @@ static inline bool pci_dev_is_added(const struct pci_dev *dev) return test_bit(PCI_DEV_ADDED, &dev->priv_flags); } +#ifdef CONFIG_PCIEAER +#include <linux/aer.h> + +#define AER_MAX_MULTI_ERR_DEVICES 5 /* Not likely to have more */ + +struct aer_err_info { + struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES]; + int error_dev_num; + + unsigned int id:16; + + unsigned int severity:2; /* 0:NONFATAL | 1:FATAL | 2:COR */ + unsigned int __pad1:5; + unsigned int multi_error_valid:1; + + unsigned int first_error:5; + unsigned int __pad2:2; + unsigned int tlp_header_valid:1; + + unsigned int status; /* COR/UNCOR Error Status */ + unsigned int mask; /* COR/UNCOR Error Mask */ + struct aer_header_log_regs tlp; /* TLP Header */ +}; + +int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info); +void aer_print_error(struct pci_dev *dev, struct aer_err_info *info); +#endif /* CONFIG_PCIEAER */ + #ifdef CONFIG_PCI_ATS void pci_restore_ats_state(struct pci_dev *dev); #else @@ -467,4 +495,19 @@ static inline int devm_of_pci_get_host_bridge_resources(struct device *dev, } #endif +#ifdef CONFIG_PCIEAER +void pci_no_aer(void); +void pci_aer_init(struct pci_dev *dev); +void pci_aer_exit(struct pci_dev *dev); +extern const struct attribute_group aer_stats_attr_group; +void pci_aer_clear_fatal_status(struct pci_dev *dev); +void pci_aer_clear_device_status(struct pci_dev *dev); +#else +static inline void pci_no_aer(void) { } +static inline int pci_aer_init(struct pci_dev *d) { return -ENODEV; } +static inline void pci_aer_exit(struct pci_dev *d) { } +static inline void pci_aer_clear_fatal_status(struct pci_dev *dev) { } +static inline void pci_aer_clear_device_status(struct pci_dev *dev) { } +#endif + #endif /* DRIVERS_PCI_H */ |