diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_huc.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_huc.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h new file mode 100644 index 000000000000..644c059fe01d --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2014-2019 Intel Corporation + */ + +#ifndef _INTEL_HUC_H_ +#define _INTEL_HUC_H_ + +#include "i915_reg.h" +#include "intel_uc_fw.h" +#include "intel_huc_fw.h" + +struct intel_huc { + /* Generic uC firmware management */ + struct intel_uc_fw fw; + + /* HuC-specific additions */ + struct i915_vma *rsa_data; + + struct { + i915_reg_t reg; + u32 mask; + u32 value; + } status; +}; + +void intel_huc_init_early(struct intel_huc *huc); +int intel_huc_init(struct intel_huc *huc); +void intel_huc_fini(struct intel_huc *huc); +int intel_huc_auth(struct intel_huc *huc); +int intel_huc_check_status(struct intel_huc *huc); + +static inline int intel_huc_sanitize(struct intel_huc *huc) +{ + intel_uc_fw_sanitize(&huc->fw); + return 0; +} + +static inline bool intel_huc_is_supported(struct intel_huc *huc) +{ + return intel_uc_fw_is_supported(&huc->fw); +} + +static inline bool intel_huc_is_enabled(struct intel_huc *huc) +{ + return intel_uc_fw_is_enabled(&huc->fw); +} + +static inline bool intel_huc_is_authenticated(struct intel_huc *huc) +{ + return intel_uc_fw_is_running(&huc->fw); +} + +#endif |