diff options
Diffstat (limited to 'pcilib/pci.h')
| -rw-r--r-- | pcilib/pci.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/pcilib/pci.h b/pcilib/pci.h index a914e84..ce8d119 100644 --- a/pcilib/pci.h +++ b/pcilib/pci.h @@ -25,13 +25,24 @@ #include "model.h" #include "export.h" +typedef struct { + uint8_t max_link_speed, link_speed; + uint8_t max_link_width, link_width; + uint8_t max_payload, payload; +} pcilib_pcie_link_info_t; + struct pcilib_s { int handle; /**< file handle of device */ uintptr_t page_mask; /**< Selects bits which define offset within the page */ pcilib_board_info_t board_info; /**< The mandatory information about board as defined by PCI specification */ + pcilib_pcie_link_info_t link_info; /**< Infomation about PCIe connection */ char *bar_space[PCILIB_MAX_BARS]; /**< Pointers to the mapped BARs in virtual address space */ + int pci_cfg_space_fd; /**< File descriptor linking to PCI configuration space in sysfs */ + uint32_t pci_cfg_space_cache[64]; /**< Cached PCI configuration space */ + const uint32_t *pcie_capabilities; /**< PCI Capbility structure (just a pointer at appropriate place in the pci_cfg_space) */ + int reg_bar_mapped; /**< Indicates that all BARs used to access registers are mapped */ pcilib_bar_t reg_bar; /**< Default BAR to look for registers, other BARs will be looked as well */ int data_bar_mapped; /**< Indicates that a BAR for large PIO is mapped */ @@ -64,9 +75,9 @@ struct pcilib_s { #endif /* PCILIB_FILE_IO */ }; - pcilib_context_t *pcilib_get_implementation_context(pcilib_t *ctx); const pcilib_board_info_t *pcilib_get_board_info(pcilib_t *ctx); +const pcilib_pcie_link_info_t *pcilib_get_pcie_link_info(pcilib_t *ctx); int pcilib_map_register_space(pcilib_t *ctx); int pcilib_map_data_space(pcilib_t *ctx, uintptr_t addr); |