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Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h49
1 files changed, 46 insertions, 3 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 96f70d7e058d..4604d1d5514d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -214,12 +214,17 @@ enum pci_bus_speed {
214 PCI_SPEED_UNKNOWN = 0xff, 214 PCI_SPEED_UNKNOWN = 0xff,
215}; 215};
216 216
217struct pci_cap_saved_state { 217struct pci_cap_saved_data {
218 struct hlist_node next;
219 char cap_nr; 218 char cap_nr;
219 unsigned int size;
220 u32 data[0]; 220 u32 data[0];
221}; 221};
222 222
223struct pci_cap_saved_state {
224 struct hlist_node next;
225 struct pci_cap_saved_data cap;
226};
227
223struct pcie_link_state; 228struct pcie_link_state;
224struct pci_vpd; 229struct pci_vpd;
225struct pci_sriov; 230struct pci_sriov;
@@ -366,7 +371,7 @@ static inline struct pci_cap_saved_state *pci_find_saved_cap(
366 struct hlist_node *pos; 371 struct hlist_node *pos;
367 372
368 hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) { 373 hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) {
369 if (tmp->cap_nr == cap) 374 if (tmp->cap.cap_nr == cap)
370 return tmp; 375 return tmp;
371 } 376 }
372 return NULL; 377 return NULL;
@@ -807,6 +812,10 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size);
807/* Power management related routines */ 812/* Power management related routines */
808int pci_save_state(struct pci_dev *dev); 813int pci_save_state(struct pci_dev *dev);
809void pci_restore_state(struct pci_dev *dev); 814void pci_restore_state(struct pci_dev *dev);
815struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev);
816int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state);
817int pci_load_and_free_saved_state(struct pci_dev *dev,
818 struct pci_saved_state **state);
810int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state); 819int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state);
811int pci_set_power_state(struct pci_dev *dev, pci_power_t state); 820int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
812pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state); 821pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
@@ -828,6 +837,23 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
828 return __pci_enable_wake(dev, state, false, enable); 837 return __pci_enable_wake(dev, state, false, enable);
829} 838}
830 839
840#define PCI_EXP_IDO_REQUEST (1<<0)
841#define PCI_EXP_IDO_COMPLETION (1<<1)
842void pci_enable_ido(struct pci_dev *dev, unsigned long type);
843void pci_disable_ido(struct pci_dev *dev, unsigned long type);
844
845enum pci_obff_signal_type {
846 PCI_EXP_OBFF_SIGNAL_L0,
847 PCI_EXP_OBFF_SIGNAL_ALWAYS,
848};
849int pci_enable_obff(struct pci_dev *dev, enum pci_obff_signal_type);
850void pci_disable_obff(struct pci_dev *dev);
851
852bool pci_ltr_supported(struct pci_dev *dev);
853int pci_enable_ltr(struct pci_dev *dev);
854void pci_disable_ltr(struct pci_dev *dev);
855int pci_set_ltr(struct pci_dev *dev, int snoop_lat_ns, int nosnoop_lat_ns);
856
831/* For use by arch with custom probe code */ 857/* For use by arch with custom probe code */
832void set_pcie_port_type(struct pci_dev *pdev); 858void set_pcie_port_type(struct pci_dev *pdev);
833void set_pcie_hotplug_bridge(struct pci_dev *pdev); 859void set_pcie_hotplug_bridge(struct pci_dev *pdev);
@@ -1207,6 +1233,23 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
1207 return 0; 1233 return 0;
1208} 1234}
1209 1235
1236static inline void pci_enable_ido(struct pci_dev *dev, unsigned long type)
1237{
1238}
1239
1240static inline void pci_disable_ido(struct pci_dev *dev, unsigned long type)
1241{
1242}
1243
1244static inline int pci_enable_obff(struct pci_dev *dev, unsigned long type)
1245{
1246 return 0;
1247}
1248
1249static inline void pci_disable_obff(struct pci_dev *dev)
1250{
1251}
1252
1210static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) 1253static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
1211{ 1254{
1212 return -EIO; 1255 return -EIO;