patch-2.3.99-pre5 linux/arch/i386/kernel/pci-i386.h

• Lines: 51
• Date: Tue Apr 11 16:10:32 2000
• Orig file: v2.3.99-pre4/linux/arch/i386/kernel/pci-i386.h
• Orig date: Fri Oct 22 13:21:45 1999

diff -u --recursive --new-file v2.3.99-pre4/linux/arch/i386/kernel/pci-i386.h linux/arch/i386/kernel/pci-i386.h
@@ -18,7 +18,6 @@
 #define PCI_NO_SORT 0x100
 #define PCI_BIOS_SORT 0x200
 #define PCI_NO_CHECKS 0x400
-#define PCI_PEER_FIXUP 0x800
 #define PCI_ASSIGN_ROMS 0x1000
 #define PCI_BIOS_IRQ_SCAN 0x2000
 
@@ -28,3 +27,42 @@
 
 void pcibios_resource_survey(void);
 int pcibios_enable_resources(struct pci_dev *);
+
+/* pci-pc.c */
+
+extern int pcibios_last_bus;
+extern struct pci_bus *pci_root_bus;
+extern struct pci_ops *pci_root_ops;
+
+struct irq_routing_table *pcibios_get_irq_routing_table(void);
+int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
+
+/* pci-irq.c */
+
+struct irq_info {
+	u8 bus, devfn;			/* Bus, device and function */
+	struct {
+		u8 link;		/* IRQ line ID, chipset dependent, 0=not routed */
+		u16 bitmap;		/* Available IRQs */
+	} __attribute__((packed)) irq[4];
+	u8 slot;			/* Slot number, 0=onboard */
+	u8 rfu;
+} __attribute__((packed));
+
+struct irq_routing_table {
+	u32 signature;			/* PIRQ_SIGNATURE should be here */
+	u16 version;			/* PIRQ_VERSION */
+	u16 size;			/* Table size in bytes */
+	u8 rtr_bus, rtr_devfn;		/* Where the interrupt router lies */
+	u16 exclusive_irqs;		/* IRQs devoted exclusively to PCI usage */
+	u16 rtr_vendor, rtr_device;	/* Vendor and device ID of interrupt router */
+	u32 miniport_data;		/* Crap */
+	u8 rfu[11];
+	u8 checksum;			/* Modulo 256 checksum must give zero */
+	struct irq_info slots[0];
+} __attribute__((packed));
+
+extern unsigned int pcibios_irq_mask;
+
+void pcibios_fixup_irqs(void);
+int pcibios_lookup_irq(struct pci_dev *dev, int assign);