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path: root/drivers/pci/pci.h
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Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h50
1 files changed, 41 insertions, 9 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 93dcdd431072..1cce56c2aea0 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -33,10 +33,32 @@ enum pci_mmap_api {
int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai,
enum pci_mmap_api mmap_api);
-int pci_probe_reset_function(struct pci_dev *dev);
+bool pci_reset_supported(struct pci_dev *dev);
+void pci_init_reset_methods(struct pci_dev *dev);
int pci_bridge_secondary_bus_reset(struct pci_dev *dev);
int pci_bus_error_reset(struct pci_dev *dev);
+struct pci_cap_saved_data {
+ u16 cap_nr;
+ bool cap_extended;
+ unsigned int size;
+ u32 data[];
+};
+
+struct pci_cap_saved_state {
+ struct hlist_node next;
+ struct pci_cap_saved_data cap;
+};
+
+void pci_allocate_cap_save_buffers(struct pci_dev *dev);
+void pci_free_cap_save_buffers(struct pci_dev *dev);
+int pci_add_cap_save_buffer(struct pci_dev *dev, char cap, unsigned int size);
+int pci_add_ext_cap_save_buffer(struct pci_dev *dev,
+ u16 cap, unsigned int size);
+struct pci_cap_saved_state *pci_find_saved_cap(struct pci_dev *dev, char cap);
+struct pci_cap_saved_state *pci_find_saved_ext_cap(struct pci_dev *dev,
+ u16 cap);
+
#define PCI_PM_D2_DELAY 200 /* usec; see PCIe r4.0, sec 5.9.1 */
#define PCI_PM_D3HOT_WAIT 10 /* msec */
#define PCI_PM_D3COLD_WAIT 100 /* msec */
@@ -100,8 +122,6 @@ void pci_pm_init(struct pci_dev *dev);
void pci_ea_init(struct pci_dev *dev);
void pci_msi_init(struct pci_dev *dev);
void pci_msix_init(struct pci_dev *dev);
-void pci_allocate_cap_save_buffers(struct pci_dev *dev);
-void pci_free_cap_save_buffers(struct pci_dev *dev);
bool pci_bridge_d3_possible(struct pci_dev *dev);
void pci_bridge_d3_update(struct pci_dev *dev);
void pci_bridge_wait_for_secondary_bus(struct pci_dev *dev);
@@ -597,23 +617,25 @@ static inline void pcie_ecrc_get_policy(char *str) { }
#ifdef CONFIG_PCIE_PTM
void pci_ptm_init(struct pci_dev *dev);
-int pci_enable_ptm(struct pci_dev *dev, u8 *granularity);
#else
static inline void pci_ptm_init(struct pci_dev *dev) { }
-static inline int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
-{ return -EINVAL; }
#endif
struct pci_dev_reset_methods {
u16 vendor;
u16 device;
- int (*reset)(struct pci_dev *dev, int probe);
+ int (*reset)(struct pci_dev *dev, bool probe);
+};
+
+struct pci_reset_fn_method {
+ int (*reset_fn)(struct pci_dev *pdev, bool probe);
+ char *name;
};
#ifdef CONFIG_PCI_QUIRKS
-int pci_dev_specific_reset(struct pci_dev *dev, int probe);
+int pci_dev_specific_reset(struct pci_dev *dev, bool probe);
#else
-static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
+static inline int pci_dev_specific_reset(struct pci_dev *dev, bool probe)
{
return -ENOTTY;
}
@@ -701,7 +723,15 @@ static inline int pci_aer_raw_clear_status(struct pci_dev *dev) { return -EINVAL
#ifdef CONFIG_ACPI
int pci_acpi_program_hp_params(struct pci_dev *dev);
extern const struct attribute_group pci_dev_acpi_attr_group;
+void pci_set_acpi_fwnode(struct pci_dev *dev);
+int pci_dev_acpi_reset(struct pci_dev *dev, bool probe);
#else
+static inline int pci_dev_acpi_reset(struct pci_dev *dev, bool probe)
+{
+ return -ENOTTY;
+}
+
+static inline void pci_set_acpi_fwnode(struct pci_dev *dev) {}
static inline int pci_acpi_program_hp_params(struct pci_dev *dev)
{
return -ENODEV;
@@ -712,4 +742,6 @@ static inline int pci_acpi_program_hp_params(struct pci_dev *dev)
extern const struct attribute_group aspm_ctrl_attr_group;
#endif
+extern const struct attribute_group pci_dev_reset_method_attr_group;
+
#endif /* DRIVERS_PCI_H */