patch-2.4.19 linux-2.4.19/arch/ppc64/kernel/pci.h

• Lines: 120
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/ppc64/kernel/pci.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/ppc64/kernel/pci.h linux-2.4.19/arch/ppc64/kernel/pci.h
@@ -0,0 +1,119 @@
+/*
+ * c 2001 PPC 64 Team, IBM Corp
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+#ifndef __PPC_KERNEL_PCI_H__
+#define __PPC_KERNEL_PCI_H__
+
+#include <linux/pci.h>
+#include <asm/pci-bridge.h>
+
+extern unsigned long isa_io_base;
+extern unsigned long isa_mem_base;
+extern unsigned long pci_dram_offset;
+
+/*******************************************************************
+ * Platform independant variables referenced.
+ *******************************************************************
+ * Set pci_assign_all_busses to 1 if you want the kernel to re-assign
+ * all PCI bus numbers.  
+ *******************************************************************/
+extern int pci_assign_all_busses;
+
+extern struct pci_controller* pci_alloc_pci_controller(char *model, enum phb_types controller_type);
+extern struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node);
+
+extern struct pci_controller* hose_head;
+extern struct pci_controller** hose_tail;
+/* PHB's are also in a table. */
+#define PCI_MAX_PHB 64
+extern int  global_phb_number;
+extern struct pci_controller *phbtab[];
+
+/*******************************************************************
+ * Platform functions that are brand specific implementation. 
+ *******************************************************************/
+extern unsigned long find_and_init_phbs(void);
+
+extern void   fixup_resources(struct pci_dev *dev);
+extern void   ppc64_pcibios_init(void);
+
+extern int    pci_set_reset(struct pci_dev*,int);
+extern int    device_Location(struct pci_dev*,char*);
+extern int    format_device_location(struct pci_dev*,char*, int );
+
+extern struct pci_dev *ppc64_isabridge_dev;	/* may be NULL if no ISA bus */
+
+/*******************************************************************
+ * PCI device_node operations
+ *******************************************************************/
+struct device_node;
+typedef void *(*traverse_func)(struct device_node *me, void *data);
+void *traverse_pci_devices(struct device_node *start, traverse_func pre, traverse_func post, void *data);
+void *traverse_all_pci_devices(traverse_func pre);
+
+void pci_devs_phb_init(void);
+void pci_fix_bus_sysdata(void);
+struct device_node *fetch_dev_dn(struct pci_dev *dev);
+
+void iSeries_pcibios_init_early(void);
+void pSeries_pcibios_init_early(void);
+void pSeries_pcibios_init(void);
+
+/* Get a device_node from a pci_dev.  This code must be fast except in the case
+ * where the sysdata is incorrect and needs to be fixed up (hopefully just once)
+ */
+static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
+{
+	struct device_node *dn = (struct device_node *)(dev->sysdata);
+	if (dn->devfn == dev->devfn && dn->busno == dev->bus->number)
+		return dn;	/* fast path.  sysdata is good */
+	else
+		return fetch_dev_dn(dev);
+}
+/* Use this macro after the PCI bus walk for max performance when it
+ * is known that sysdata is correct.
+ */
+#define PCI_GET_DN(dev) ((struct device_node *)((dev)->sysdata))
+
+
+/*******************************************************************
+ * Platform configuration flags.. (Live in pci.c)
+ *******************************************************************/
+extern int  Pci_Large_Bus_System;      /* System has > 256 buses   */
+extern int  Pci_Manage_Phb_Space;      /* Manage Phb Space for IOAs*/
+
+/*******************************************************************
+ * Helper macros for extracting data from pci structures.  
+ *   PCI_GET_PHB_PTR(struct pci_dev*)    returns the Phb pointer.
+ *   PCI_GET_PHB_NUMBER(struct pci_dev*) returns the Phb number.
+ *   PCI_GET_BUS_NUMBER(struct pci_dev*) returns the bus number.
+ *******************************************************************/
+#define PCI_GET_PHB_PTR(dev)    (((struct device_node *)(dev)->sysdata)->phb)
+#define PCI_GET_PHB_NUMBER(dev) (((dev)->bus->number&0x00FFFF00)>>8)
+#define PCI_GET_BUS_NUMBER(dev) ((dev)->bus->number&0x0000FF)
+
+/*******************************************************************
+ * Pci Flight Recorder support.
+ *******************************************************************/
+#define PCIFR(...) fr_Log_Entry(PciFr,__VA_ARGS__);
+extern struct flightRecorder* PciFr;
+extern int    Pci_Trace_Flag;
+
+/*******************************************************************
+ * Debugging  Routines.
+ *******************************************************************/
+extern void dumpResources(struct resource* Resource);
+extern void dumpPci_Controller(struct pci_controller* phb);
+extern void dumpPci_Bus(struct pci_bus* Pci_Bus);
+extern void dumpPci_Dev(struct pci_dev* Pci_Dev);
+
+extern void dump_Phb_tree(void);
+extern void dump_Bus_tree(void);
+extern void dump_Dev_tree(void);
+
+#endif /* __PPC_KERNEL_PCI_H__ */