diff options
| author |   Thierry Reding <treding@nvidia.com> | 2016-11-25 11:57:10 +0100 |
|---|---|---|
| committer |   Bjorn Helgaas <helgaas@kernel.org> | 2016-12-07 12:05:48 -0600 |
| commit | 5909406598d9fab58be860b72dff9409bff11653 (patch) | |
| tree | ac32f861756ae7f87003e25b70f64932ba6665fc /include/linux | |
| parent | PCI: Add pci_register_host_bridge() interface (diff) | |
PCI: Allow driver-specific data in host bridge
Provide a way to allocate driver-specific data along with a PCI host bridge
structure. The bridge's ->private field points to this data.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/pci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index f79634612fbf..beacb17e81fb 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -434,10 +434,21 @@ struct pci_host_bridge { resource_size_t start, resource_size_t size, resource_size_t align); + unsigned long private[0] ____cacheline_aligned; }; #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) +static inline void *pci_host_bridge_priv(struct pci_host_bridge *bridge) +{ + return (void *)bridge->private; +} + +static inline struct pci_host_bridge *pci_host_bridge_from_priv(void *priv) +{ + return container_of(priv, struct pci_host_bridge, private); +} + struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus); void pci_set_host_bridge_release(struct pci_host_bridge *bridge, |