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-rw-r--r--include/linux/pci.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 507ee52..f1f73f7 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -17,8 +17,7 @@
#ifndef LINUX_PCI_H
#define LINUX_PCI_H
-/* Include the pci register defines */
-#include <linux/pci_regs.h>
+#include <linux/pci_regs.h> /* The pci register defines */
/*
* The PCI interface treats multi-function devices as independent
@@ -49,12 +48,22 @@
#include <linux/list.h>
#include <linux/compiler.h>
#include <linux/errno.h>
+#include <linux/kobject.h>
#include <asm/atomic.h>
#include <linux/device.h>
/* Include the ID list */
#include <linux/pci_ids.h>
+/* pci_slot represents a physical slot */
+struct pci_slot {
+ struct pci_bus *bus; /* The bus this slot is on */
+ struct list_head list; /* node in list of slots on this bus */
+ struct hotplug_slot *hotplug; /* Hotplug info (migrate over time) */
+ unsigned char number; /* PCI_SLOT(pci_dev->devfn) */
+ struct kobject kobj;
+};
+
/* File state for mmap()s on /proc/bus/pci/X/Y */
enum pci_mmap_state {
pci_mmap_io,
@@ -142,6 +151,7 @@ struct pci_dev {
void *sysdata; /* hook for sys-specific extension */
struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */
+ struct pci_slot *slot; /* Physical slot this device is in */
unsigned int devfn; /* encoded device & function index */
unsigned short vendor;
@@ -266,6 +276,7 @@ struct pci_bus {
struct list_head children; /* list of child buses */
struct list_head devices; /* list of devices on this bus */
struct pci_dev *self; /* bridge device as seen by parent */
+ struct list_head slots; /* list of slots on this bus */
struct resource *resource[PCI_BUS_NUM_RESOURCES];
/* address space routed to this bus */
@@ -488,6 +499,10 @@ struct pci_bus *pci_create_bus(struct device *parent, int bus,
struct pci_ops *ops, void *sysdata);
struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
int busnr);
+struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
+ const char *name);
+void pci_destroy_slot(struct pci_slot *slot);
+void pci_update_slot_number(struct pci_slot *slot, int slot_nr);
int pci_scan_slot(struct pci_bus *bus, int devfn);
struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);