kabi: reserve space for pci subsystem related structure

hulk inclusion
category: feature
bugzilla: 13276
CVE: NA

-------------------------------

Reserve space for the structure in pci subsystem.
Signed-off-by: NTan Xiaojun <tanxiaojun@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/pci/pci.h

@@ -2,6 +2,8 @@
 #ifndef DRIVERS_PCI_H
 #define DRIVERS_PCI_H
 
+#include <linux/pci.h>
+
 #define PCI_FIND_CAP_TTL	48
 
 #define PCI_VSEC_ID_INTEL_TBT	0x1234	/* Thunderbolt */
@@ -291,6 +293,15 @@ struct pci_sriov {
 	u16		subsystem_device; /* VF subsystem device */
 	resource_size_t	barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
 	bool		drivers_autoprobe; /* Auto probing of VFs by driver */
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
+	KABI_RESERVE(8)
 };
 
 /* pci_dev priv_flags */

include/linux/pci.h

@@ -20,6 +20,7 @@
 
 #include <linux/mod_devicetable.h>
 
+#include <linux/kabi.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
@@ -447,6 +448,22 @@ struct pci_dev {
 	char		*driver_override; /* Driver name to force a match */
 
 	unsigned long	priv_flags;	/* Private flags for the PCI driver */
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
+	KABI_RESERVE(8)
+	KABI_RESERVE(9)
+	KABI_RESERVE(10)
+	KABI_RESERVE(11)
+	KABI_RESERVE(12)
+	KABI_RESERVE(13)
+	KABI_RESERVE(14)
+	KABI_RESERVE(15)
 };
 
 static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
@@ -577,6 +594,14 @@ struct pci_bus {
 	struct bin_attribute	*legacy_io;	/* Legacy I/O for this bus */
 	struct bin_attribute	*legacy_mem;	/* Legacy mem */
 	unsigned int		is_added:1;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
 };
 
 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)
@@ -768,6 +793,15 @@ struct pci_driver {
 	const struct attribute_group **groups;
 	struct device_driver	driver;
 	struct pci_dynids	dynids;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
+	KABI_RESERVE(8)
 };
 
 #define	to_pci_driver(drv) container_of(drv, struct pci_driver, driver)

include/linux/pci_hotplug.h

@@ -57,6 +57,15 @@ struct hotplug_slot_ops {
 	int (*get_latch_status)		(struct hotplug_slot *slot, u8 *value);
 	int (*get_adapter_status)	(struct hotplug_slot *slot, u8 *value);
 	int (*reset_slot)		(struct hotplug_slot *slot, int probe);
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
+	KABI_RESERVE(8)
 };
 
 /**
@@ -91,6 +100,15 @@ struct hotplug_slot {
 	/* Variables below this are for use only by the hotplug pci core. */
 	struct list_head		slot_list;
 	struct pci_slot			*pci_slot;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
+	KABI_RESERVE(5)
+	KABI_RESERVE(6)
+	KABI_RESERVE(7)
+	KABI_RESERVE(8)
 };
 
 static inline const char *hotplug_slot_name(const struct hotplug_slot *slot)