Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[safe/jmp/linux-2.6] / include / asm-powerpc / ppc-pci.h

diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index 4820b36..854ab71 100644 (file)
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -10,6 +10,8 @@
 #define _ASM_POWERPC_PPC_PCI_H
 #ifdef __KERNEL__
 
+#ifdef CONFIG_PCI
+
 #include <linux/pci.h>
 #include <asm/pci-bridge.h>
 
@@ -20,11 +22,10 @@ extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
 
 
 extern struct list_head hose_list;
-extern int global_phb_number;
 
-extern unsigned long find_and_init_phbs(void);
+extern void find_and_init_phbs(void);
 
-extern struct pci_dev *ppc64_isabridge_dev;    /* may be NULL if no ISA bus */
+extern struct pci_dev *isa_bridge_pcidev;      /* may be NULL if no ISA bus */
 
 /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
 #define BUID_HI(buid) ((buid) >> 32)
@@ -36,17 +37,14 @@ typedef void *(*traverse_func)(struct device_node *me, void *data);
 void *traverse_pci_devices(struct device_node *start, traverse_func pre,
                void *data);
 
-void pci_devs_phb_init(void);
-void pci_devs_phb_init_dynamic(struct pci_controller *phb);
-void __devinit scan_phb(struct pci_controller *hose);
+extern void pci_devs_phb_init(void);
+extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
+extern void scan_phb(struct pci_controller *hose);
 
 /* From rtas_pci.h */
-void init_pci_config_tokens (void);
-unsigned long get_phb_buid (struct device_node *);
-
-/* From pSeries_pci.h */
-extern void pSeries_final_fixup(void);
-extern void pSeries_irq_bus_setup(struct pci_bus *bus);
+extern void init_pci_config_tokens (void);
+extern unsigned long get_phb_buid (struct device_node *);
+extern int rtas_setup_phb(struct pci_controller *phb);
 
 extern unsigned long pci_probe_only;
 
@@ -58,29 +56,46 @@ void pci_addr_cache_remove_device(struct pci_dev *dev);
 void pci_addr_cache_build(void);
 struct pci_dev *pci_get_device_by_addr(unsigned long addr);
 
-void eeh_save_bars(struct pci_dev * pdev, struct pci_dn *pdn);
-
 /**
  * eeh_slot_error_detail -- record and EEH error condition to the log
- * @severity: 1 if temporary, 2 if permanent failure.
+ * @pdn:      pci device node
+ * @severity: EEH_LOG_TEMP_FAILURE or EEH_LOG_PERM_FAILURE
  *
- * Obtains the the EEH error details from the RTAS subsystem,
+ * Obtains the EEH error details from the RTAS subsystem,
  * and then logs these details with the RTAS error log system.
  */
+#define EEH_LOG_TEMP_FAILURE 1
+#define EEH_LOG_PERM_FAILURE 2
 void eeh_slot_error_detail (struct pci_dn *pdn, int severity);
 
 /**
+ * rtas_pci_enable - enable IO transfers for this slot
+ * @pdn:       pci device node
+ * @function:  either EEH_THAW_MMIO or EEH_THAW_DMA 
+ *
+ * Enable I/O transfers to this slot 
+ */
+#define EEH_THAW_MMIO 2
+#define EEH_THAW_DMA  3
+int rtas_pci_enable(struct pci_dn *pdn, int function);
+
+/**
  * rtas_set_slot_reset -- unfreeze a frozen slot
+ * @pdn:       pci device node
  *
  * Clear the EEH-frozen condition on a slot.  This routine
  * does this by asserting the PCI #RST line for 1/8th of
  * a second; this routine will sleep while the adapter is
  * being reset.
+ *
+ * Returns a non-zero value if the reset failed.
  */
-void rtas_set_slot_reset (struct pci_dn *);
+int rtas_set_slot_reset (struct pci_dn *);
+int eeh_wait_for_slot_status(struct pci_dn *pdn, int max_wait_msecs);
 
 /** 
  * eeh_restore_bars - Restore device configuration info.
+ * @pdn:       pci device node
  *
  * A reset of a PCI device will clear out its config space.
  * This routines will restore the config space for this
@@ -91,6 +106,7 @@ void eeh_restore_bars(struct pci_dn *);
 
 /**
  * rtas_configure_bridge -- firmware initialization of pci bridge
+ * @pdn:       pci device node
  *
  * Ask the firmware to configure all PCI bridges devices
  * located behind the indicated node. Required after a
@@ -101,18 +117,33 @@ void eeh_restore_bars(struct pci_dn *);
 void rtas_configure_bridge(struct pci_dn *);
 
 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
+int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
 
 /**
+ * eeh_mark_slot -- set mode flags for pertition endpoint
+ * @pdn:       pci device node
+ *
  * mark and clear slots: find "partition endpoint" PE and set or 
  * clear the flags for each subnode of the PE.
  */
 void eeh_mark_slot (struct device_node *dn, int mode_flag);
 void eeh_clear_slot (struct device_node *dn, int mode_flag);
 
-/* Find the associated "Partiationable Endpoint" PE */
+/**
+ * find_device_pe -- Find the associated "Partiationable Endpoint" PE
+ * @pdn:       pci device node
+ */
 struct device_node * find_device_pe(struct device_node *dn);
 
-#endif
+void eeh_sysfs_add_device(struct pci_dev *pdev);
+void eeh_sysfs_remove_device(struct pci_dev *pdev);
+
+#endif /* CONFIG_EEH */
+
+#else /* CONFIG_PCI */
+static inline void find_and_init_phbs(void) { }
+static inline void init_pci_config_tokens(void) { }
+#endif /* !CONFIG_PCI */
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PPC_PCI_H */