| 456,6 → 456,7 |
|---|
| (pci_resource_end((dev), (bar)) - \ |
| pci_resource_start((dev), (bar)) + 1)) |
| |
| #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */ |
| |
| struct pci_bus { |
| struct list_head node; /* node in list of buses */ |
| 480,7 → 481,7 |
|---|
| char name[48]; |
| |
| unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */ |
| pci_bus_flags_t bus_flags; /* Inherited by child busses */ |
| pci_bus_flags_t bus_flags; /* inherited by child buses */ |
| struct device *bridge; |
| struct device dev; |
| struct bin_attribute *legacy_io; /* legacy I/O for this bus */ |
| 508,8 → 509,12 |
|---|
| #define to_pci_bus(n) container_of(n, struct pci_bus, dev) |
| |
| /* |
| * Returns true if the pci bus is root (behind host-pci bridge), |
| * Returns true if the PCI bus is root (behind host-PCI bridge), |
| * false otherwise |
| * |
| * Some code assumes that "bus->self == NULL" means that bus is a root bus. |
| * This is incorrect because "virtual" buses added for SR-IOV (via |
| * virtfn_add_bus()) have "bus->self == NULL" but are not root buses. |
| */ |
| static inline bool pci_is_root_bus(struct pci_bus *pbus) |
| { |
| 531,6 → 536,32 |
|---|
| #define PCIBIOS_SET_FAILED 0x88 |
| #define PCIBIOS_BUFFER_TOO_SMALL 0x89 |
| |
| /* |
| * Translate above to generic errno for passing back through non-PCI code. |
| */ |
| static inline int pcibios_err_to_errno(int err) |
| { |
| if (err <= PCIBIOS_SUCCESSFUL) |
| return err; /* Assume already errno */ |
| |
| switch (err) { |
| case PCIBIOS_FUNC_NOT_SUPPORTED: |
| return -ENOENT; |
| case PCIBIOS_BAD_VENDOR_ID: |
| return -EINVAL; |
| case PCIBIOS_DEVICE_NOT_FOUND: |
| return -ENODEV; |
| case PCIBIOS_BAD_REGISTER_NUMBER: |
| return -EFAULT; |
| case PCIBIOS_SET_FAILED: |
| return -EIO; |
| case PCIBIOS_BUFFER_TOO_SMALL: |
| return -ENOSPC; |
| } |
| |
| return -ENOTTY; |
| } |
| |
| /* Low-level architecture-dependent routines */ |
| |
| struct pci_ops { |
| 586,7 → 617,7 |
|---|
| * pci_is_pcie - check if the PCI device is PCI Express capable |
| * @dev: PCI device |
| * |
| * Retrun true if the PCI device is PCI Express capable, false otherwise. |
| * Returns: true if the PCI device is PCI Express capable, false otherwise. |
| */ |
| static inline bool pci_is_pcie(struct pci_dev *dev) |
| { |
| 672,6 → 703,11 |
|---|
| |
| #define pci_name(x) "radeon" |
| |
| static inline dma_addr_t pci_bus_address(struct pci_dev *pdev, int bar) |
| { |
| return pdev->resource[bar].start; |
| } |
| |
| #endif //__PCI__H__ |
| |
| |