With the introduction of GPU security we have 3 different modes of
GPU operation:
- GPU core doesn't have security features -> no handling required
- the security related states are handled by the kernel driver
- the security related states are handled by a TrustZone application
Add a enum to differentiate between the different operation modes.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index cc238a9c64ce..bf83e40fbaf7 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -84,6 +84,12 @@ struct etnaviv_chip_identity {
u8 varyings_count;
};
+enum etnaviv_sec_mode {
+ ETNA_SEC_NONE = 0,
+ ETNA_SEC_KERNEL,
+ ETNA_SEC_TZ
+};
+
struct etnaviv_event {
struct dma_fence *fence;
struct etnaviv_gem_submit *submit;
@@ -102,6 +108,7 @@ struct etnaviv_gpu {
struct device *dev;
struct mutex lock;
struct etnaviv_chip_identity identity;
+ enum etnaviv_sec_mode sec_mode;
struct etnaviv_file_private *lastctx;
struct workqueue_struct *wq;
--
2.11.0
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