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path: root/include/linux/pci.h
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Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h42
1 files changed, 30 insertions, 12 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f05903dd7695..081e5c0a3ddf 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -245,6 +245,8 @@ enum pci_dev_flags {
PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 11),
/* Device does honor MSI masking despite saying otherwise */
PCI_DEV_FLAGS_HAS_MSI_MASKING = (__force pci_dev_flags_t) (1 << 12),
+ /* Device requires write to PCI_MSIX_ENTRY_DATA before any MSIX reads */
+ PCI_DEV_FLAGS_MSIX_TOUCH_ENTRY_DATA_FIRST = (__force pci_dev_flags_t) (1 << 13),
};
enum pci_irq_reroute_variant {
@@ -353,6 +355,7 @@ struct pci_dev {
struct pci_dev *rcec; /* Associated RCEC device */
#endif
u32 devcap; /* PCIe Device Capabilities */
+ u16 rebar_cap; /* Resizable BAR capability offset */
u8 pcie_cap; /* PCIe capability offset */
u8 msi_cap; /* MSI capability offset */
u8 msix_cap; /* MSI-X capability offset */
@@ -407,7 +410,7 @@ struct pci_dev {
supported from root to here */
#endif
unsigned int pasid_no_tlp:1; /* PASID works without TLP Prefix */
- unsigned int eetlp_prefix_path:1; /* End-to-End TLP Prefix */
+ unsigned int eetlp_prefix_max:3; /* Max # of End-End TLP Prefixes, 0=not supported */
pci_channel_state_t error_state; /* Current connectivity state */
struct device dev; /* Generic device interface */
@@ -476,6 +479,7 @@ struct pci_dev {
unsigned int no_command_memory:1; /* No PCI_COMMAND_MEMORY */
unsigned int rom_bar_overlap:1; /* ROM BAR disable broken */
unsigned int rom_attr_enabled:1; /* Display of ROM attribute enabled? */
+ unsigned int non_mappable_bars:1; /* BARs can't be mapped to user-space */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
@@ -595,6 +599,8 @@ struct pci_host_bridge {
u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */
int (*map_irq)(const struct pci_dev *, u8, u8);
void (*release_fn)(struct pci_host_bridge *);
+ int (*enable_device)(struct pci_host_bridge *bridge, struct pci_dev *dev);
+ void (*disable_device)(struct pci_host_bridge *bridge, struct pci_dev *dev);
void *release_data;
unsigned int ignore_reset_delay:1; /* For entire hierarchy */
unsigned int no_ext_tags:1; /* No Extended Tags */
@@ -679,6 +685,7 @@ struct pci_bus {
struct bin_attribute *legacy_mem; /* Legacy mem */
unsigned int is_added:1;
unsigned int unsafe_warn:1; /* warned about RW1C config write */
+ unsigned int flit_mode:1; /* Link in Flit mode */
};
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
@@ -1047,6 +1054,20 @@ struct pci_driver {
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
/**
+ * PCI_VDEVICE_SUB - describe a specific PCI device/subdevice in a short form
+ * @vend: the vendor name
+ * @dev: the 16 bit PCI Device ID
+ * @subvend: the 16 bit PCI Subvendor ID
+ * @subdev: the 16 bit PCI Subdevice ID
+ *
+ * Generate the pci_device_id struct layout for the specific PCI
+ * device/subdevice. Private data may follow the output.
+ */
+#define PCI_VDEVICE_SUB(vend, dev, subvend, subdev) \
+ .vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
+ .subvendor = (subvend), .subdevice = (subdev), 0, 0
+
+/**
* PCI_DEVICE_DATA - macro used to describe a specific PCI device in very short form
* @vend: the vendor name (without PCI_VENDOR_ID_ prefix)
* @dev: the device name (without PCI_DEVICE_ID_<vend>_ prefix)
@@ -1380,7 +1401,6 @@ void pci_reset_secondary_bus(struct pci_dev *dev);
void pcibios_reset_secondary_bus(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);
void pci_release_resource(struct pci_dev *dev, int resno);
static inline int pci_rebar_bytes_to_size(u64 bytes)
{
@@ -1439,7 +1459,6 @@ void set_pcie_port_type(struct pci_dev *pdev);
void set_pcie_hotplug_bridge(struct pci_dev *pdev);
/* Functions for PCI Hotplug drivers to use */
-unsigned int pci_rescan_bus_bridge_resize(struct pci_dev *bridge);
unsigned int pci_rescan_bus(struct pci_bus *bus);
void pci_lock_rescan_remove(void);
void pci_unlock_rescan_remove(void);
@@ -1461,7 +1480,6 @@ void pci_assign_unassigned_resources(void);
void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge);
void pci_assign_unassigned_bus_resources(struct pci_bus *bus);
void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus);
-int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type);
int pci_enable_resources(struct pci_dev *, int mask);
void pci_assign_irq(struct pci_dev *dev);
struct resource *pci_find_resource(struct pci_dev *dev, struct resource *res);
@@ -1621,7 +1639,6 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
void *userdata);
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);
resource_size_t pcibios_window_alignment(struct pci_bus *bus,
unsigned long type);
@@ -1833,6 +1850,14 @@ static inline bool pcie_aspm_support_enabled(void) { return false; }
static inline bool pcie_aspm_enabled(struct pci_dev *pdev) { return false; }
#endif
+#ifdef CONFIG_HOTPLUG_PCI
+void pci_hp_ignore_link_change(struct pci_dev *pdev);
+void pci_hp_unignore_link_change(struct pci_dev *pdev);
+#else
+static inline void pci_hp_ignore_link_change(struct pci_dev *pdev) { }
+static inline void pci_hp_unignore_link_change(struct pci_dev *pdev) { }
+#endif
+
#ifdef CONFIG_PCIEAER
bool pci_aer_available(void);
#else
@@ -2320,8 +2345,6 @@ extern int pci_pci_problems;
#define PCIPCI_ALIMAGIK 32 /* Need low latency setting */
#define PCIAGP_FAIL 64 /* No PCI to AGP DMA */
-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;
@@ -2431,11 +2454,6 @@ static inline resource_size_t pci_iov_resource_size(struct pci_dev *dev, int res
static inline void pci_vf_drivers_autoprobe(struct pci_dev *dev, bool probe) { }
#endif
-#if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE)
-void pci_hp_create_module_link(struct pci_slot *pci_slot);
-void pci_hp_remove_module_link(struct pci_slot *pci_slot);
-#endif
-
/**
* pci_pcie_cap - get the saved PCIe capability offset
* @dev: PCI device