Commit 5a0c6bed authored by Zhang Zekun's avatar Zhang Zekun
Browse files

iommu: Reserve kabi for iommu and memory related functions 

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I9S5ZK



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

Reserve kabi for the iova and iommu related functions. It is
used for future patches merge.

Signed-off-by: default avatarZhang Zekun <zhangzekun11@huawei.com>
parent f300accf

drivers/iommu/iommu.c

+4 −0
Original line number Diff line number Diff line
@@ -58,6 +58,10 @@ struct iommu_group { 
	struct iommu_domain *default_domain;

	struct iommu_domain *domain;

	struct list_head entry;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

};



struct group_device {

include/linux/iova.h

+8 −0
Original line number Diff line number Diff line
@@ -34,6 +34,8 @@ struct iova_rcache { 
	struct iova_cpu_rcache __percpu *cpu_rcaches;

	struct iova_domain *iovad;

	struct delayed_work work;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

};



struct iova_domain;
@@ -63,6 +65,8 @@ struct iova_fq { 
	struct iova_fq_entry entries[IOVA_FQ_SIZE];

	unsigned head, tail;

	spinlock_t lock;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

};



/* holds all the iova translations for a domain */
@@ -97,6 +101,10 @@ struct iova_domain { 
	atomic_t fq_timer_on;			/* 1 when timer is active, 0

						   when not */

	struct work_struct free_iova_work;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

};



static inline unsigned long iova_size(struct iova *iova)