34  * Delay for PE reset, all in ms
44  * The struct is used to trace PE related EEH functionality.
46  * be created against particular PE. In nature, PEs correlate
49  * PE has EEH errors.
51  * Also, one particular PE might be composed of PCI device, PCI
53  * the information. Further more, one particular PE is only meaingful
58 #define EEH_PE_PHB	(1 << 1)	/* PHB PE    */
59 #define EEH_PE_DEVICE 	(1 << 2)	/* Device PE */
60 #define EEH_PE_BUS	(1 << 3)	/* Bus PE    */
61 #define EEH_PE_VF	(1 << 4)	/* VF PE     */
63 #define EEH_PE_ISOLATED		(1 << 0)	/* Isolated PE		*/
64 #define EEH_PE_RECOVERING	(1 << 1)	/* Recovering PE	*/
66 #define EEH_PE_RESET		(1 << 3)	/* PE reset in progress */
68 #define EEH_PE_KEEP		(1 << 8)	/* Keep PE on hotplug	*/
74 	int type;			/* PE type: PHB/Bus/Device	*/
75 	int state;			/* PE EEH dependent mode	*/
76 	int addr;			/* PE configuration address	*/
78 	struct pci_bus *bus;		/* Top PCI bus for bus PE	*/
84 	struct eeh_pe *parent;		/* Parent PE			*/
85 	void *data;			/* PE auxillary data		*/
86 	struct list_head child_list;	/* List of PEs below this PE	*/
88 	struct list_head edevs;		/* List of eeh_dev in this PE	*/
92 	 * Saved stack trace. When we find a PE freeze in eeh_dev_check_failure
104 #define eeh_pe_for_each_dev(pe, edev, tmp) \  argument
105 		list_for_each_entry_safe(edev, tmp, &pe->edevs, entry)
107 #define eeh_for_each_pe(root, pe) \  argument
108 	for (pe = root; pe; pe = eeh_pe_next(pe, root))
110 static inline bool eeh_pe_passed(struct eeh_pe *pe)  in eeh_pe_passed()  argument
112 	return pe ? !!atomic_read(&pe->pass_dev_cnt) : false;  in eeh_pe_passed()
118  * represent PE as well so that the EEH device to form
126 #define EEH_DEV_DISCONNECTED	(1 << 4)	/* Removing from PE	*/
136 	int pe_config_addr;		/* PE config address		*/
142 	struct eeh_pe *pe;		/* Associated PE		*/  member
159 	((edev)->pe ? (edev)->pe_config_addr : 0xffff), ##__VA_ARGS__)
177 	return edev ? edev->pe : NULL;  in eeh_dev_to_pe()
201 #define EEH_OPT_FREEZE_PE	4	/* Freeze PE	*/
209 #define EEH_RESET_DEACTIVATE	0	/* Deactivate the PE reset	*/
218 	int (*set_option)(struct eeh_pe *pe, int option);
219 	int (*get_state)(struct eeh_pe *pe, int *delay);
220 	int (*reset)(struct eeh_pe *pe, int option);
221 	int (*get_log)(struct eeh_pe *pe, int severity, char *drv_log, unsigned long len);
222 	int (*configure_bridge)(struct eeh_pe *pe);
223 	int (*err_inject)(struct eeh_pe *pe, int type, int func,
227 	int (*next_error)(struct eeh_pe **pe);
275 typedef void *(*eeh_pe_traverse_func)(struct eeh_pe *pe, void *flag);
278 int eeh_wait_state(struct eeh_pe *pe, int max_wait);
280 struct eeh_pe *eeh_pe_next(struct eeh_pe *pe, struct eeh_pe *root);
284 void eeh_pe_update_time_stamp(struct eeh_pe *pe);
289 void eeh_pe_restore_bars(struct eeh_pe *pe);
290 const char *eeh_pe_loc_get(struct eeh_pe *pe);
291 struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe);
300 int eeh_unfreeze_pe(struct eeh_pe *pe);
301 int eeh_pe_reset_and_recover(struct eeh_pe *pe);
305 int eeh_pe_set_option(struct eeh_pe *pe, int option);
306 int eeh_pe_get_state(struct eeh_pe *pe);
307 int eeh_pe_reset(struct eeh_pe *pe, int option, bool include_passed);
308 int eeh_pe_configure(struct eeh_pe *pe);
309 int eeh_pe_inject_err(struct eeh_pe *pe, int type, int func,