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| author | Bjorn Helgaas <bhelgaas@google.com> | 2014-06-03 02:18:48 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-06-03 02:18:48 +0400 |
| commit | 0eeb4f2af5f71f64ba6362df33ddc1f218075c52 (patch) | |
| tree | a5ba0181900968cda030364e18235e93f975b093 /include/linux/pci.h | |
| parent | 617b4157a5c82ab3e9509aa388bfd3d47e0e623a (diff) | |
| parent | ebdb51eb7806df56221d4536a6a9702751d6df85 (diff) | |
| download | linux-0eeb4f2af5f71f64ba6362df33ddc1f218075c52.tar.xz | |
Merge branch 'pci/iommu' into next
* pci/iommu:
PCI: Add bridge DMA alias quirk for ASMedia and Tundra bridges
PCI: Add support for PCIe-to-PCI bridge DMA alias quirks
PCI: Add function 1 DMA alias quirk for Marvell devices
PCI: Add function 0 DMA alias quirk for Ricoh devices
PCI: Add support for DMA alias quirks
PCI: Convert pci_dev_flags definitions to bit shifts
PCI: Add DMA alias iterator
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 71d9673c1b2c..466bcd111d85 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -164,13 +164,17 @@ enum pci_dev_flags { /* INTX_DISABLE in PCI_COMMAND register disables MSI * generation too. */ - PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1, + PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0), /* Device configuration is irrevocably lost if disabled into D3 */ - PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, + PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1), /* Provide indication device is assigned by a Virtual Machine Manager */ - PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4, + PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) (1 << 2), /* Flag for quirk use to store if quirk-specific ACS is enabled */ - PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) 8, + PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) (1 << 3), + /* Flag to indicate the device uses dma_alias_devfn */ + PCI_DEV_FLAGS_DMA_ALIAS_DEVFN = (__force pci_dev_flags_t) (1 << 4), + /* Use a PCIe-to-PCI bridge alias even if !pci_is_pcie */ + PCI_DEV_FLAG_PCIE_BRIDGE_ALIAS = (__force pci_dev_flags_t) (1 << 5), }; enum pci_irq_reroute_variant { @@ -268,6 +272,7 @@ struct pci_dev { u8 rom_base_reg; /* which config register controls the ROM */ u8 pin; /* which interrupt pin this device uses */ u16 pcie_flags_reg; /* cached PCIe Capabilities Register */ + u8 dma_alias_devfn;/* devfn of DMA alias, if any */ struct pci_driver *driver; /* which driver has allocated this device */ u64 dma_mask; /* Mask of the bits of bus address this @@ -1809,6 +1814,10 @@ static inline struct eeh_dev *pci_dev_to_eeh_dev(struct pci_dev *pdev) } #endif +int pci_for_each_dma_alias(struct pci_dev *pdev, + int (*fn)(struct pci_dev *pdev, + u16 alias, void *data), void *data); + /** * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device * @pdev: the PCI device |