1 files changed, 41 insertions, 1 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f5c7cd343e56..04771b9c3316 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -218,6 +218,7 @@ struct pci_dev {
         unsigned int    class;          /* 3 bytes: (base,sub,prog-if) */
         u8              revision;       /* PCI revision, low byte of class word */
         u8              hdr_type;       /* PCI header type (`multi' flag masked out) */
+        u8              pcie_cap;       /* PCI-E capability offset */
         u8              pcie_type;      /* PCI-E device/port type */
         u8              rom_base_reg;   /* which config register controls the ROM */
         u8              pin;            /* which interrupt pin this device uses */
@@ -280,6 +281,7 @@ struct pci_dev {
         unsigned int    is_virtfn:1;
         unsigned int    reset_fn:1;
         unsigned int    is_hotplug_bridge:1;
+        unsigned int    aer_firmware_first:1;
         pci_dev_flags_t dev_flags;
         atomic_t        enable_cnt;     /* pci_enable_device has been called */
 
@@ -635,7 +637,13 @@ struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
                                 unsigned int ss_vendor, unsigned int ss_device,
                                 struct pci_dev *from);
 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
-struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
+struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus,
+                                            unsigned int devfn);
+static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus,
+                                                   unsigned int devfn)
+{
+        return pci_get_domain_bus_and_slot(0, bus, devfn);
+}
 struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from);
 int pci_dev_present(const struct pci_device_id *ids);
 
@@ -701,6 +709,7 @@ void pci_disable_device(struct pci_dev *dev);
 void pci_set_master(struct pci_dev *dev);
 void pci_clear_master(struct pci_dev *dev);
 int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state);
+int pci_set_cacheline_size(struct pci_dev *dev);
 #define HAVE_PCI_SET_MWI
 int __must_check pci_set_mwi(struct pci_dev *dev);
 int pci_try_set_mwi(struct pci_dev *dev);
@@ -1246,6 +1255,8 @@ extern int pci_pci_problems;
 
 extern unsigned long pci_cardbus_io_size;
 extern unsigned long pci_cardbus_mem_size;
+extern u8 pci_dfl_cache_line_size;
+extern u8 pci_cache_line_size;
 
 extern unsigned long pci_hotplug_io_size;
 extern unsigned long pci_hotplug_mem_size;
@@ -1290,5 +1301,34 @@ extern void pci_hp_create_module_link(struct pci_slot *pci_slot);
 extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
 #endif
 
+/**
+ * pci_pcie_cap - get the saved PCIe capability offset
+ * @dev: PCI device
+ *
+ * PCIe capability offset is calculated at PCI device initialization
+ * time and saved in the data structure. This function returns saved
+ * PCIe capability offset. Using this instead of pci_find_capability()
+ * reduces unnecessary search in the PCI configuration space. If you
+ * need to calculate PCIe capability offset from raw device for some
+ * reasons, please use pci_find_capability() instead.
+ */
+static inline int pci_pcie_cap(struct pci_dev *dev)
+{
+        return dev->pcie_cap;
+}
+
+/**
+ * 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.
+ */
+static inline bool pci_is_pcie(struct pci_dev *dev)
+{
+        return !!pci_pcie_cap(dev);
+}
+
+void pci_request_acs(void);
+
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */