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path: root/drivers/gpu/drm/i915/gvt/gvt.h
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
-rw-r--r--drivers/gpu/drm/i915/gvt/gvt.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 62823c0e13ab..2d65800d8e93 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -172,13 +172,18 @@ struct intel_vgpu_submission {
#define KVMGT_DEBUGFS_FILENAME "kvmgt_nr_cache_entries"
+enum {
+ INTEL_VGPU_STATUS_ATTACHED = 0,
+ INTEL_VGPU_STATUS_ACTIVE,
+ INTEL_VGPU_STATUS_NR_BITS,
+};
+
struct intel_vgpu {
struct vfio_device vfio_device;
struct intel_gvt *gvt;
struct mutex vgpu_lock;
int id;
- bool active;
- bool attached;
+ DECLARE_BITMAP(status, INTEL_VGPU_STATUS_NR_BITS);
bool pv_notified;
bool failsafe;
unsigned int resetting_eng;
@@ -467,7 +472,7 @@ void intel_vgpu_write_fence(struct intel_vgpu *vgpu,
#define for_each_active_vgpu(gvt, vgpu, id) \
idr_for_each_entry((&(gvt)->vgpu_idr), (vgpu), (id)) \
- for_each_if(vgpu->active)
+ for_each_if(test_bit(INTEL_VGPU_STATUS_ACTIVE, vgpu->status))
static inline void intel_vgpu_write_pci_bar(struct intel_vgpu *vgpu,
u32 offset, u32 val, bool low)
@@ -725,7 +730,7 @@ static inline bool intel_gvt_mmio_is_cmd_write_patch(
static inline int intel_gvt_read_gpa(struct intel_vgpu *vgpu, unsigned long gpa,
void *buf, unsigned long len)
{
- if (!vgpu->attached)
+ if (!test_bit(INTEL_VGPU_STATUS_ATTACHED, vgpu->status))
return -ESRCH;
return vfio_dma_rw(&vgpu->vfio_device, gpa, buf, len, false);
}
@@ -743,7 +748,7 @@ static inline int intel_gvt_read_gpa(struct intel_vgpu *vgpu, unsigned long gpa,
static inline int intel_gvt_write_gpa(struct intel_vgpu *vgpu,
unsigned long gpa, void *buf, unsigned long len)
{
- if (!vgpu->attached)
+ if (!test_bit(INTEL_VGPU_STATUS_ATTACHED, vgpu->status))
return -ESRCH;
return vfio_dma_rw(&vgpu->vfio_device, gpa, buf, len, true);
}