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PCI changes for the v3.16 merge window (part 2):

Browse source 
IOMMU
     - Add DMA alias iterator (Alex Williamson)
     - Add DMA alias quirks for ASMedia, ITE, Tundra bridges (Alex Williamson)
     - Add DMA alias quirks for Marvell, Ricoh devices (Alex Williamson)
     - Add DMA alias quirk for HighPoint devices (Jérôme Carretero)
 
   MSI
     - Fix leak in free_msi_irqs() (Alexei Starovoitov)
 
   Marvell MVEBU
     - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray)
     - Avoid setting an undefined window size (Jason Gunthorpe)
     - Allow several windows with the same target/attribute (Thomas Petazzoni)
     - Split PCIe BARs into multiple MBus windows when needed (Thomas Petazzoni)
     - Fix off-by-one in the computed size of the mbus windows (Willy Tarreau)
 
   NVIDIA Tegra
     - Use new OF interrupt mapping when possible (Lucas Stach)
 
   Synopsys DesignWare
     - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray)
     - Use new OF interrupt mapping when possible (Lucas Stach)
     - Split Exynos and i.MX bindings (Lucas Stach)
     - Fix comment for setting number of lanes (Mohit Kumar)
     - Fix iATU programming for cfg1, io and mem viewport (Mohit Kumar)
 
   Miscellaneous
     - EXPORT_SYMBOL cleanup (Ryan Desfosses)
     - Whitespace cleanup (Ryan Desfosses)
     - Merge multi-line quoted strings (Ryan Desfosses)
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Merge tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull more PCI updates from Bjorn Helgaas:
 "Here are some more things I'd like to see in v3.16-rc1:

   - DMA alias iterator, part of some work to fix IOMMU issues
   - MVEBU, Tegra, DesignWare changes that I forgot to include before
   - Some whitespace code cleanup

  Details:

  IOMMU
    - Add DMA alias iterator (Alex Williamson)
    - Add DMA alias quirks for ASMedia, ITE, Tundra bridges (Alex Williamson)
    - Add DMA alias quirks for Marvell, Ricoh devices (Alex Williamson)
    - Add DMA alias quirk for HighPoint devices (Jérôme Carretero)

  MSI
    - Fix leak in free_msi_irqs() (Alexei Starovoitov)

  Marvell MVEBU
    - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray)
    - Avoid setting an undefined window size (Jason Gunthorpe)
    - Allow several windows with the same target/attribute (Thomas Petazzoni)
    - Split PCIe BARs into multiple MBus windows when needed (Thomas Petazzoni)
    - Fix off-by-one in the computed size of the mbus windows (Willy Tarreau)

  NVIDIA Tegra
    - Use new OF interrupt mapping when possible (Lucas Stach)

  Synopsys DesignWare
    - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray)
    - Use new OF interrupt mapping when possible (Lucas Stach)
    - Split Exynos and i.MX bindings (Lucas Stach)
    - Fix comment for setting number of lanes (Mohit Kumar)
    - Fix iATU programming for cfg1, io and mem viewport (Mohit Kumar)

  Miscellaneous
    - EXPORT_SYMBOL cleanup (Ryan Desfosses)
    - Whitespace cleanup (Ryan Desfosses)
    - Merge multi-line quoted strings (Ryan Desfosses)"

* tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits)
  PCI: Add function 1 DMA alias quirk for HighPoint RocketRaid 642L
  PCI/MSI: Fix memory leak in free_msi_irqs()
  PCI: Merge multi-line quoted strings
  PCI: Whitespace cleanup
  PCI: Move EXPORT_SYMBOL so it immediately follows function/variable
  PCI: Add bridge DMA alias quirk for ITE bridge
  PCI: designware: Split Exynos and i.MX bindings
  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
  PCI: mvebu: Use '%pa' for printing 'phys_addr_t' type
  PCI: mvebu: Remove unnecessary use of 'conf_lock' spinlock
  PCI: designware: Remove unnecessary use of 'conf_lock' spinlock
  PCI: designware: Use new OF interrupt mapping when possible
  PCI: designware: Fix iATU programming for cfg1, io and mem viewport
  PCI: designware: Fix comment for setting number of lanes
  ...
This commit is contained in:
Linus Torvalds 2014-06-12 13:20:24 -07:00
commit 7550cfab3d
66 changed files with 1065 additions and 1039 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/linux/pci.h
View file

@ -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