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author | Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> | 2013-02-27 19:43:44 +0900 |
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committer | Marcelo Tosatti <mtosatti@redhat.com> | 2013-03-04 20:21:08 -0300 |
commit | 74d0727cb7aaaea48a6353209093be26abc8d160 (patch) | |
tree | 5fca51d427979429ff25fe8b4626726d6b54607d /include/linux/kvm_host.h | |
parent | 47ae31e257c548abdb199e0d26723139a9a967ba (diff) | |
download | linux-stable-74d0727cb7aaaea48a6353209093be26abc8d160.tar.gz linux-stable-74d0727cb7aaaea48a6353209093be26abc8d160.tar.bz2 linux-stable-74d0727cb7aaaea48a6353209093be26abc8d160.zip |
KVM: set_memory_region: Make kvm_mr_change available to arch code
This will be used for cleaning up prepare/commit_memory_region() later.
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r-- | include/linux/kvm_host.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 84a994c7a5c5..8eaf61f7b02d 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -452,6 +452,24 @@ id_to_memslot(struct kvm_memslots *slots, int id) return slot; } +/* + * KVM_SET_USER_MEMORY_REGION ioctl allows the following operations: + * - create a new memory slot + * - delete an existing memory slot + * - modify an existing memory slot + * -- move it in the guest physical memory space + * -- just change its flags + * + * Since flags can be changed by some of these operations, the following + * differentiation is the best we can do for __kvm_set_memory_region(): + */ +enum kvm_mr_change { + KVM_MR_CREATE, + KVM_MR_DELETE, + KVM_MR_MOVE, + KVM_MR_FLAGS_ONLY, +}; + int kvm_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem); int __kvm_set_memory_region(struct kvm *kvm, |