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| author | Changbin Du <changbin.du@intel.com> | 2018-01-30 19:19:52 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-03-06 13:19:20 +0800 |
| commit | 0947572849cb3ca7028d9daa3958158639ae4d69 (patch) | |
| tree | 768b85fc4b58cec002b4e2af19ec904bf7e8fe80 /drivers/gpu/drm/i915/gvt/mpt.h | |
| parent | f66e5ff706038d03e8ef6d012e3aec7824442418 (diff) | |
| download | linux-0947572849cb3ca7028d9daa3958158639ae4d69.tar.bz2 | |
drm/i915/gvt: Don't extend page_track to mpt layer
Don't extend page_track to mpt layer. Keep MPT simple and clean.
Meanwhile remove gtt.n_tracked_guest_page which doesn't make much
sense.
v2: clean up gtt.n_tracked_guest_page.
Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/mpt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mpt.h | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h index 90fd83f98733..78fada9e3241 100644 --- a/drivers/gpu/drm/i915/gvt/mpt.h +++ b/drivers/gpu/drm/i915/gvt/mpt.h @@ -156,51 +156,29 @@ static inline unsigned long intel_gvt_hypervisor_virt_to_mfn(void *p) /** * intel_gvt_hypervisor_enable_page_track - track a guest page * @vgpu: a vGPU - * @t: page track data structure + * @gfn: the gfn of guest * * Returns: * Zero on success, negative error code if failed. */ static inline int intel_gvt_hypervisor_enable_page_track( - struct intel_vgpu *vgpu, - struct intel_vgpu_page_track *t) + struct intel_vgpu *vgpu, unsigned long gfn) { - int ret; - - if (t->tracked) - return 0; - - ret = intel_gvt_host.mpt->enable_page_track(vgpu->handle, t->gfn); - if (ret) - return ret; - t->tracked = true; - atomic_inc(&vgpu->gtt.n_tracked_guest_page); - return 0; + return intel_gvt_host.mpt->enable_page_track(vgpu->handle, gfn); } /** * intel_gvt_hypervisor_disable_page_track - untrack a guest page * @vgpu: a vGPU - * @t: page track data structure + * @gfn: the gfn of guest * * Returns: * Zero on success, negative error code if failed. */ static inline int intel_gvt_hypervisor_disable_page_track( - struct intel_vgpu *vgpu, - struct intel_vgpu_page_track *t) + struct intel_vgpu *vgpu, unsigned long gfn) { - int ret; - - if (!t->tracked) - return 0; - - ret = intel_gvt_host.mpt->disable_page_track(vgpu->handle, t->gfn); - if (ret) - return ret; - t->tracked = false; - atomic_dec(&vgpu->gtt.n_tracked_guest_page); - return 0; + return intel_gvt_host.mpt->disable_page_track(vgpu->handle, gfn); } /** |