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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-07-03 18:30:53 +0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-07-18 14:29:23 +0400 |
| commit | 126a5af520eff9b99a0bb1ca4bb4a0b7973f7d5a (patch) | |
| tree | 74084d4e3bb3526c132f58b0ca8b9c98065452b9 /include/linux | |
| parent | 1c118b8226922d225a7df4127926ed2a2d73baaf (diff) | |
| download | linux-126a5af520eff9b99a0bb1ca4bb4a0b7973f7d5a.tar.xz | |
KVM: kvm-io: support cookies
Add new functions kvm_io_bus_{read,write}_cookie() that allows users of
the kvm io infrastructure to use a cookie value to speed up lookup of a
device on an io bus.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kvm_host.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a63d83ebd151..ec590aece366 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -160,8 +160,12 @@ enum kvm_bus { int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, const void *val); +int kvm_io_bus_write_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, + int len, const void *val, long cookie); int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, void *val); +int kvm_io_bus_read_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, + int len, void *val, long cookie); int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, struct kvm_io_device *dev); int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, |