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-rw-r--r--include/pciaccess.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/pciaccess.h b/include/pciaccess.h
index 8128656..88515e2 100644
--- a/include/pciaccess.h
+++ b/include/pciaccess.h
@@ -1,5 +1,6 @@
/*
* (C) Copyright IBM Corporation 2006
+ * Copyright 2009 Red Hat, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -507,4 +508,22 @@ int pci_device_vgaarb_unlock (void);
/* return the current device count + resource decodes for the device */
int pci_device_vgaarb_get_info (struct pci_device *dev, int *vga_count, int *rsrc_decodes);
+/*
+ * I/O space access.
+ */
+
+struct pci_io_handle;
+
+struct pci_io_handle *pci_device_open_io(struct pci_device *dev, pciaddr_t base,
+ pciaddr_t size);
+struct pci_io_handle *pci_legacy_open_io(struct pci_device *dev, pciaddr_t base,
+ pciaddr_t size);
+void pci_device_close_io(struct pci_device *dev, struct pci_io_handle *handle);
+uint32_t pci_io_read32(struct pci_io_handle *handle, uint32_t reg);
+uint16_t pci_io_read16(struct pci_io_handle *handle, uint32_t reg);
+uint8_t pci_io_read8(struct pci_io_handle *handle, uint32_t reg);
+void pci_io_write32(struct pci_io_handle *handle, uint32_t reg, uint32_t data);
+void pci_io_write16(struct pci_io_handle *handle, uint32_t reg, uint16_t data);
+void pci_io_write8(struct pci_io_handle *handle, uint32_t reg, uint8_t data);
+
#endif /* PCIACCESS_H */