kabi: reserve space for pci subsystem related structure

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4JBL0
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>
Signed-off-by: NJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Nwangxiongfeng 00379786 <wangxiongfeng2@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/pci/pci.h

@@ -343,6 +343,15 @@ 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)
 };
 
 /**

include/linux/pci.h

@@ -26,6 +26,7 @@
 
 #include <linux/mod_devicetable.h>
 
+#include <linux/kabi.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
@@ -509,6 +510,22 @@ struct pci_dev {
 	 */
 	unsigned long   slot_being_removed_rescanned;
 	struct pci_dev  *rpdev; /* root port pci_dev */
+
+	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)
@@ -646,6 +663,14 @@ 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)
@@ -879,6 +904,15 @@ 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

@@ -45,6 +45,15 @@ 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)
 };
 
 /**
@@ -61,6 +70,15 @@ struct hotplug_slot {
 	struct pci_slot			*pci_slot;
 	struct module			*owner;
 	const char			*mod_name;
+
+	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)