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-rw-r--r--include/linux/pci-acpi.h16
-rw-r--r--include/linux/pci.h43
-rw-r--r--include/linux/pci_ids.h6
3 files changed, 41 insertions, 24 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 2d155bfb8fbf..769cb9c9fa28 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -107,10 +107,12 @@ static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
#endif
extern const guid_t pci_acpi_dsm_guid;
-#define IGNORE_PCI_BOOT_CONFIG_DSM 0x05
-#define DEVICE_LABEL_DSM 0x07
-#define RESET_DELAY_DSM 0x08
-#define FUNCTION_DELAY_DSM 0x09
+
+/* _DSM Definitions for PCI */
+#define DSM_PCI_PRESERVE_BOOT_CONFIG 0x05
+#define DSM_PCI_DEVICE_NAME 0x07
+#define DSM_PCI_POWER_ON_RESET_DELAY 0x08
+#define DSM_PCI_DEVICE_READINESS_DURATIONS 0x09
#ifdef CONFIG_PCIE_EDR
void pci_acpi_add_edr_notifier(struct pci_dev *pdev);
@@ -125,10 +127,4 @@ static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
#endif /* CONFIG_ACPI */
-#ifdef CONFIG_ACPI_APEI
-extern bool aer_acpi_firmware_first(void);
-#else
-static inline bool aer_acpi_firmware_first(void) { return false; }
-#endif
-
#endif /* _PCI_ACPI_H_ */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 83ce1cdf5676..f020eae17126 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -100,9 +100,21 @@ enum {
PCI_IOV_RESOURCE_END = PCI_IOV_RESOURCES + PCI_SRIOV_NUM_BARS - 1,
#endif
- /* Resources assigned to buses behind the bridge */
+/* PCI-to-PCI (P2P) bridge windows */
+#define PCI_BRIDGE_IO_WINDOW (PCI_BRIDGE_RESOURCES + 0)
+#define PCI_BRIDGE_MEM_WINDOW (PCI_BRIDGE_RESOURCES + 1)
+#define PCI_BRIDGE_PREF_MEM_WINDOW (PCI_BRIDGE_RESOURCES + 2)
+
+/* CardBus bridge windows */
+#define PCI_CB_BRIDGE_IO_0_WINDOW (PCI_BRIDGE_RESOURCES + 0)
+#define PCI_CB_BRIDGE_IO_1_WINDOW (PCI_BRIDGE_RESOURCES + 1)
+#define PCI_CB_BRIDGE_MEM_0_WINDOW (PCI_BRIDGE_RESOURCES + 2)
+#define PCI_CB_BRIDGE_MEM_1_WINDOW (PCI_BRIDGE_RESOURCES + 3)
+
+/* Total number of bridge resources for P2P and CardBus */
#define PCI_BRIDGE_RESOURCE_NUM 4
+ /* Resources assigned to buses behind the bridge */
PCI_BRIDGE_RESOURCES,
PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
PCI_BRIDGE_RESOURCE_NUM - 1,
@@ -279,7 +291,7 @@ struct pci_cap_saved_data {
u16 cap_nr;
bool cap_extended;
unsigned int size;
- u32 data[0];
+ u32 data[];
};
struct pci_cap_saved_state {
@@ -420,8 +432,6 @@ struct pci_dev {
* mappings to make sure they cannot access arbitrary memory.
*/
unsigned int untrusted:1;
- unsigned int __aer_firmware_first_valid:1;
- unsigned int __aer_firmware_first:1;
unsigned int broken_intx_masking:1; /* INTx masking can't be used */
unsigned int io_window_1k:1; /* Intel bridge 1K I/O windows */
unsigned int irq_managed:1;
@@ -532,7 +542,7 @@ struct pci_host_bridge {
resource_size_t start,
resource_size_t size,
resource_size_t align);
- unsigned long private[0] ____cacheline_aligned;
+ unsigned long private[] ____cacheline_aligned;
};
#define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev)
@@ -1025,7 +1035,6 @@ void pci_bus_add_device(struct pci_dev *dev);
void pci_read_bridge_bases(struct pci_bus *child);
struct resource *pci_find_parent_resource(const struct pci_dev *dev,
struct resource *res);
-struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev);
u8 pci_swizzle_interrupt_pin(const struct pci_dev *dev, u8 pin);
int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
u8 pci_common_swizzle(struct pci_dev *dev, u8 *pinp);
@@ -2143,17 +2152,23 @@ static inline int pci_pcie_type(const struct pci_dev *dev)
return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
}
+/**
+ * pcie_find_root_port - Get the PCIe root port device
+ * @dev: PCI device
+ *
+ * Traverse up the parent chain and return the PCIe Root Port PCI Device
+ * for a given PCI/PCIe Device.
+ */
static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
{
- while (1) {
- if (!pci_is_pcie(dev))
- break;
- if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
- return dev;
- if (!dev->bus->self)
- break;
- dev = dev->bus->self;
+ struct pci_dev *bridge = pci_upstream_bridge(dev);
+
+ while (bridge) {
+ if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT)
+ return bridge;
+ bridge = pci_upstream_bridge(bridge);
}
+
return NULL;
}
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1dfc4e1dcb94..9a57e6717e5c 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1832,6 +1832,12 @@
#define PCI_VENDOR_ID_NVIDIA_SGS 0x12d2
#define PCI_DEVICE_ID_NVIDIA_SGS_RIVA128 0x0018
+#define PCI_VENDOR_ID_PERICOM 0x12D8
+#define PCI_DEVICE_ID_PERICOM_PI7C9X7951 0x7951
+#define PCI_DEVICE_ID_PERICOM_PI7C9X7952 0x7952
+#define PCI_DEVICE_ID_PERICOM_PI7C9X7954 0x7954
+#define PCI_DEVICE_ID_PERICOM_PI7C9X7958 0x7958
+
#define PCI_SUBVENDOR_ID_CHASE_PCIFAST 0x12E0
#define PCI_SUBDEVICE_ID_CHASE_PCIFAST4 0x0031
#define PCI_SUBDEVICE_ID_CHASE_PCIFAST8 0x0021