PCI: revise VPD access interface
Change PCI VPD API which was only used by sysfs to something usable
in drivers.
* move iteration over multiple words to the low level
* use conventional types for arguments
* add exportable wrapper
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 65deed8..211fd41 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -56,14 +56,14 @@
extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
struct pci_vpd_ops {
- int (*read)(struct pci_dev *dev, int pos, int size, char *buf);
- int (*write)(struct pci_dev *dev, int pos, int size, const char *buf);
+ ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
+ ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);
void (*release)(struct pci_dev *dev);
};
struct pci_vpd {
unsigned int len;
- struct pci_vpd_ops *ops;
+ const struct pci_vpd_ops *ops;
struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
};