diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1be03a97cb92..dad43c64b350 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -608,4 +608,83 @@ 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 +/* _HPX PCI Setting Record (Type 0); same as _HPP */ +struct hpx_type0 { + u32 revision; /* Not present in _HPP */ + u8 cache_line_size; /* Not applicable to PCIe */ + u8 latency_timer; /* Not applicable to PCIe */ + u8 enable_serr; + u8 enable_perr; +}; + +/* _HPX PCI-X Setting Record (Type 1) */ +struct hpx_type1 { + u32 revision; + u8 max_mem_read; + u8 avg_max_split; + u16 tot_max_split; +}; + +/* _HPX PCI Express Setting Record (Type 2) */ +struct hpx_type2 { + u32 revision; + u32 unc_err_mask_and; + u32 unc_err_mask_or; + u32 unc_err_sever_and; + u32 unc_err_sever_or; + u32 cor_err_mask_and; + u32 cor_err_mask_or; + u32 adv_err_cap_and; + u32 adv_err_cap_or; + u16 pci_exp_devctl_and; + u16 pci_exp_devctl_or; + u16 pci_exp_lnkctl_and; + u16 pci_exp_lnkctl_or; + u32 sec_unc_err_sever_and; + u32 sec_unc_err_sever_or; + u32 sec_unc_err_mask_and; + u32 sec_unc_err_mask_or; +}; + +/* _HPX PCI Express Setting Record (Type 3) */ +struct hpx_type3 { + u16 device_type; + u16 function_type; + u16 config_space_location; + u16 pci_exp_cap_id; + u16 pci_exp_cap_ver; + u16 pci_exp_vendor_id; + u16 dvsec_id; + u16 dvsec_rev; + u16 match_offset; + u32 match_mask_and; + u32 match_value; + u16 reg_offset; + u32 reg_mask_and; + u32 reg_mask_or; +}; + +void program_hpx_type0(struct pci_dev *dev, struct hpx_type0 *hpx); +void program_hpx_type1(struct pci_dev *dev, struct hpx_type1 *hpx); +void program_hpx_type2(struct pci_dev *dev, struct hpx_type2 *hpx); +void program_hpx_type3(struct pci_dev *dev, struct hpx_type3 *hpx); + +struct hotplug_program_ops { + void (*program_type0)(struct pci_dev *dev, struct hpx_type0 *hpx); + void (*program_type1)(struct pci_dev *dev, struct hpx_type1 *hpx); + void (*program_type2)(struct pci_dev *dev, struct hpx_type2 *hpx); + void (*program_type3)(struct pci_dev *dev, struct hpx_type3 *hpx); +}; + +#ifdef CONFIG_ACPI +int pci_acpi_program_hp_params(struct pci_dev *dev, + const struct hotplug_program_ops *hp_ops); +#else +static inline int pci_acpi_program_hp_params(struct pci_dev *dev, + const struct hotplug_program_ops *hp_ops) +{ + return -ENODEV; +} +#endif + #endif /* DRIVERS_PCI_H */ |