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- /*
- * Copyright (c) 1994 NeXT Computer, Inc.
- *
- * PCI Configuration space structure and associated defines.
- *
- * HISTORY
- *
- * 13 May 1994 Dean Reece at NeXT
- * Created.
- *
- */
-
- /* The IOPCIConfigSpace structure can be used to decode the 256 byte
- * configuration space presented by each PCI device. This structure
- * is based on the PCI LOCAL BUS SPECIFICATION, rev 2.0, section 6.1
- */
-
- typedef struct _IOPCIConfigSpace {
- unsigned short VendorID;
- unsigned short DeviceID;
- unsigned short Command;
- unsigned short Status;
- unsigned long RevisionID:8;
- unsigned long ClassCode:24;
- unsigned char CacheLineSize;
- unsigned char LatencyTimer;
- unsigned char HeaderType;
- unsigned char BuiltInSelfTest;
- unsigned long BaseAddress[6];
- unsigned long reserved1;
- unsigned long reserved2;
- unsigned long ROMBaseAddress;
- unsigned long reserved3;
- unsigned long reserved4;
- unsigned char InterruptLine;
- unsigned char InterruptPin;
- unsigned char MinGrant;
- unsigned char MaxLatency;
- unsigned long VendorUnique[48];
- } IOPCIConfigSpace;
-
-
- /* PCI_DEFAULT_DATA is the value resulting from a read to a non-existent
- * PCI device's configuration space.
- */
-
- #define PCI_DEFAULT_DATA 0xffffffff
-
-
- /* PCI_INVALID_VENDOR_ID is a Vendor ID reserved by the PCI/SIG and is
- * guaranteed not to be assigned to any vendor.
- */
-
- #define PCI_INVALID_VENDOR_ID 0xffff
-