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authorAlex Williamson <alex.williamson@redhat.com>2012-06-11 05:27:19 +0000
committerBjorn Helgaas <bhelgaas@google.com>2012-06-12 09:21:42 -0600
commitc63587d7f5b9db84e71daf5962dc0394eb657da2 (patch)
tree215aace1e4365938c497e2329b5c48614e01188d /include/linux/pci.h
parentad805758c0eb25bce7b2e3b298d63dc62a1bc71c (diff)
PCI: export pci_user functions for use by other drivers
VFIO PCI support will make use of these for user-initiated PCI config accesses. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index dd7af0f37b3..9d04599c6bd 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -777,6 +777,14 @@ static inline int pci_write_config_dword(const struct pci_dev *dev, int where,
return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
}
+/* user-space driven config access */
+int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
+int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
+int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
+int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
+int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
+int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
+
int __must_check pci_enable_device(struct pci_dev *dev);
int __must_check pci_enable_device_io(struct pci_dev *dev);
int __must_check pci_enable_device_mem(struct pci_dev *dev);