diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/aer.h | 11 | ||||
| -rw-r--r-- | include/linux/pci-epc.h | 39 | ||||
| -rw-r--r-- | include/linux/pci-epf.h | 4 | ||||
| -rw-r--r-- | include/linux/pci.h | 2 | ||||
| -rw-r--r-- | include/ras/ras_event.h | 10 |
5 files changed, 47 insertions, 19 deletions
diff --git a/include/linux/aer.h b/include/linux/aer.h index ae0fae70d4bd..4b97f38f3fcf 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -18,11 +18,8 @@ struct pci_dev; -struct aer_header_log_regs { - u32 dw0; - u32 dw1; - u32 dw2; - u32 dw3; +struct pcie_tlp_log { + u32 dw[4]; }; struct aer_capability_regs { @@ -33,13 +30,15 @@ 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; u16 uncor_err_source; }; +int pcie_read_tlp_log(struct pci_dev *dev, int where, struct pcie_tlp_log *log); + #if defined(CONFIG_PCIEAER) int pci_aer_clear_nonfatal_status(struct pci_dev *dev); int pcie_aer_is_native(struct pci_dev *dev); diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index 40ea18f5aa02..cc2f70d061c8 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -146,15 +146,44 @@ struct pci_epc { }; /** + * @BAR_PROGRAMMABLE: The BAR mask can be configured by the EPC. + * @BAR_FIXED: The BAR mask is fixed by the hardware. + * @BAR_RESERVED: The BAR should not be touched by an EPF driver. + */ +enum pci_epc_bar_type { + BAR_PROGRAMMABLE = 0, + BAR_FIXED, + BAR_RESERVED, +}; + +/** + * struct pci_epc_bar_desc - hardware description for a BAR + * @type: the type of the BAR + * @fixed_size: the fixed size, only applicable if type is BAR_FIXED_MASK. + * @only_64bit: if true, an EPF driver is not allowed to choose if this BAR + * should be configured as 32-bit or 64-bit, the EPF driver must + * configure this BAR as 64-bit. Additionally, the BAR succeeding + * this BAR must be set to type BAR_RESERVED. + * + * only_64bit should not be set on a BAR of type BAR_RESERVED. + * (If BARx is a 64-bit BAR that an EPF driver is not allowed to + * touch, then both BARx and BARx+1 must be set to type + * BAR_RESERVED.) + */ +struct pci_epc_bar_desc { + enum pci_epc_bar_type type; + u64 fixed_size; + bool only_64bit; +}; + +/** * struct pci_epc_features - features supported by a EPC device per function * @linkup_notifier: indicate if the EPC device can notify EPF driver on link up * @core_init_notifier: indicate cores that can notify about their availability * for initialization * @msi_capable: indicate if the endpoint function has MSI capability * @msix_capable: indicate if the endpoint function has MSI-X capability - * @reserved_bar: bitmap to indicate reserved BAR unavailable to function driver - * @bar_fixed_64bit: bitmap to indicate fixed 64bit BARs - * @bar_fixed_size: Array specifying the size supported by each BAR + * @bar: array specifying the hardware description for each BAR * @align: alignment size required for BAR buffer allocation */ struct pci_epc_features { @@ -162,9 +191,7 @@ struct pci_epc_features { unsigned int core_init_notifier : 1; unsigned int msi_capable : 1; unsigned int msix_capable : 1; - u8 reserved_bar; - u8 bar_fixed_64bit; - u64 bar_fixed_size[PCI_STD_NUM_BARS]; + struct pci_epc_bar_desc bar[PCI_STD_NUM_BARS]; size_t align; }; diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 77b146e0f672..adee6a1b35db 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -15,6 +15,7 @@ #include <linux/pci.h> struct pci_epf; +struct pci_epc_features; enum pci_epc_interface_type; enum pci_barno { @@ -216,7 +217,8 @@ int __pci_epf_register_driver(struct pci_epf_driver *driver, struct module *owner); void pci_epf_unregister_driver(struct pci_epf_driver *driver); void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar, - size_t align, enum pci_epc_interface_type type); + const struct pci_epc_features *epc_features, + enum pci_epc_interface_type type); void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar, enum pci_epc_interface_type type); int pci_epf_bind(struct pci_epf *epf); diff --git a/include/linux/pci.h b/include/linux/pci.h index 213109d3c601..16493426a04f 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -390,9 +390,9 @@ struct pci_dev { unsigned int d3hot_delay; /* D3hot->D0 transition time in ms */ unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */ + u16 l1ss; /* L1SS Capability pointer */ #ifdef CONFIG_PCIEASPM struct pcie_link_state *link_state; /* ASPM link state */ - u16 l1ss; /* L1SS Capability pointer */ unsigned int ltr_path:1; /* Latency Tolerance Reporting supported from root to here */ #endif diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index cbd3ddd7c33d..c011ea236e9b 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -300,7 +300,7 @@ TRACE_EVENT(aer_event, const u32 status, const u8 severity, const u8 tlp_header_valid, - struct aer_header_log_regs *tlp), + struct pcie_tlp_log *tlp), TP_ARGS(dev_name, status, severity, tlp_header_valid, tlp), @@ -318,10 +318,10 @@ TRACE_EVENT(aer_event, __entry->severity = severity; __entry->tlp_header_valid = tlp_header_valid; if (tlp_header_valid) { - __entry->tlp_header[0] = tlp->dw0; - __entry->tlp_header[1] = tlp->dw1; - __entry->tlp_header[2] = tlp->dw2; - __entry->tlp_header[3] = tlp->dw3; + __entry->tlp_header[0] = tlp->dw[0]; + __entry->tlp_header[1] = tlp->dw[1]; + __entry->tlp_header[2] = tlp->dw[2]; + __entry->tlp_header[3] = tlp->dw[3]; } ), |