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Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f27893b3b72..337df0d5d5f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -174,6 +174,8 @@ enum pci_dev_flags {
PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
/* Device configuration is irrevocably lost if disabled into D3 */
PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
+ /* Provide indication device is assigned by a Virtual Machine Manager */
+ PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
};
enum pci_irq_reroute_variant {
@@ -251,7 +253,8 @@ struct pci_dev {
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 pcie_type:4; /* PCI-E device/port type */
+ u8 pcie_mpss:3; /* PCI-E Max Payload Size Supported */
u8 rom_base_reg; /* which config register controls the ROM */
u8 pin; /* which interrupt pin this device uses */
@@ -272,6 +275,7 @@ struct pci_dev {
unsigned int pme_support:5; /* Bitmask of states from which PME#
can be generated */
unsigned int pme_interrupt:1;
+ unsigned int pme_poll:1; /* Poll device's PME status bit */
unsigned int d1_support:1; /* Low power state D1 is supported */
unsigned int d2_support:1; /* Low power state D2 is supported */
unsigned int no_d1d2:1; /* Only allow D0 and D3 */
@@ -617,6 +621,17 @@ struct pci_driver {
/* these external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI
+extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
+
+enum pcie_bus_config_types {
+ PCIE_BUS_TUNE_OFF,
+ PCIE_BUS_SAFE,
+ PCIE_BUS_PERFORMANCE,
+ PCIE_BUS_PEER2PEER,
+};
+
+extern enum pcie_bus_config_types pcie_bus_config;
+
extern struct bus_type pci_bus_type;
/* Do NOT directly access these two variables, unless you are arch specific pci
@@ -796,10 +811,13 @@ int pcix_get_mmrbc(struct pci_dev *dev);
int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
int pcie_get_readrq(struct pci_dev *dev);
int pcie_set_readrq(struct pci_dev *dev, int rq);
+int pcie_get_mps(struct pci_dev *dev);
+int pcie_set_mps(struct pci_dev *dev, int mps);
int __pci_reset_function(struct pci_dev *dev);
int pci_reset_function(struct pci_dev *dev);
void pci_update_resource(struct pci_dev *dev, int resno);
int __must_check pci_assign_resource(struct pci_dev *dev, int i);
+int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
int pci_select_bars(struct pci_dev *dev, unsigned long flags);
/* ROM control related routines */
@@ -940,6 +958,7 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
int pci_cfg_space_size_ext(struct pci_dev *dev);
int pci_cfg_space_size(struct pci_dev *dev);
unsigned char pci_bus_max_busnr(struct pci_bus *bus);
+void pci_setup_bridge(struct pci_bus *bus);
#define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0)
#define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)