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-rw-r--r--include/linux/pci.h56
1 files changed, 51 insertions, 5 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 96f70d7e058d..c446b5ca2d38 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);
@@ -915,8 +941,11 @@ int pci_cfg_space_size_ext(struct pci_dev *dev);
915int pci_cfg_space_size(struct pci_dev *dev); 941int pci_cfg_space_size(struct pci_dev *dev);
916unsigned char pci_bus_max_busnr(struct pci_bus *bus); 942unsigned char pci_bus_max_busnr(struct pci_bus *bus);
917 943
944#define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0)
945#define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)
946
918int pci_set_vga_state(struct pci_dev *pdev, bool decode, 947int pci_set_vga_state(struct pci_dev *pdev, bool decode,
919 unsigned int command_bits, bool change_bridge); 948 unsigned int command_bits, u32 flags);
920/* kmem_cache style wrapper around pci_alloc_consistent() */ 949/* kmem_cache style wrapper around pci_alloc_consistent() */
921 950
922#include <linux/pci-dma.h> 951#include <linux/pci-dma.h>
@@ -1061,7 +1090,7 @@ static inline int pci_proc_domain(struct pci_bus *bus)
1061 1090
1062/* some architectures require additional setup to direct VGA traffic */ 1091/* some architectures require additional setup to direct VGA traffic */
1063typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode, 1092typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
1064 unsigned int command_bits, bool change_bridge); 1093 unsigned int command_bits, u32 flags);
1065extern void pci_register_set_vga_state(arch_set_vga_state_t func); 1094extern void pci_register_set_vga_state(arch_set_vga_state_t func);
1066 1095
1067#else /* CONFIG_PCI is not enabled */ 1096#else /* CONFIG_PCI is not enabled */
@@ -1207,6 +1236,23 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
1207 return 0; 1236 return 0;
1208} 1237}
1209 1238
1239static inline void pci_enable_ido(struct pci_dev *dev, unsigned long type)
1240{
1241}
1242
1243static inline void pci_disable_ido(struct pci_dev *dev, unsigned long type)
1244{
1245}
1246
1247static inline int pci_enable_obff(struct pci_dev *dev, unsigned long type)
1248{
1249 return 0;
1250}
1251
1252static inline void pci_disable_obff(struct pci_dev *dev)
1253{
1254}
1255
1210static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) 1256static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
1211{ 1257{
1212 return -EIO; 1258 return -EIO;