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path: root/drivers/gpu/drm/i915/gt/uc/intel_huc.h
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_huc.h')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_huc.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
index 0789184d81a2..ba5cb08e9e7b 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
@@ -15,6 +15,7 @@
#include <linux/hrtimer.h>
struct bus_type;
+struct i915_vma;
enum intel_huc_delayed_load_status {
INTEL_HUC_WAITING_ON_GSC = 0,
@@ -22,6 +23,12 @@ enum intel_huc_delayed_load_status {
INTEL_HUC_DELAYED_LOAD_ERROR,
};
+enum intel_huc_authentication_type {
+ INTEL_HUC_AUTH_BY_GUC = 0,
+ INTEL_HUC_AUTH_BY_GSC,
+ INTEL_HUC_AUTH_MAX_MODES
+};
+
struct intel_huc {
/* Generic uC firmware management */
struct intel_uc_fw fw;
@@ -31,7 +38,7 @@ struct intel_huc {
i915_reg_t reg;
u32 mask;
u32 value;
- } status;
+ } status[INTEL_HUC_AUTH_MAX_MODES];
struct {
struct i915_sw_fence fence;
@@ -39,6 +46,11 @@ struct intel_huc {
struct notifier_block nb;
enum intel_huc_delayed_load_status status;
} delayed_load;
+
+ /* for load via GSCCS */
+ struct i915_vma *heci_pkt;
+
+ bool loaded_via_gsc;
};
int intel_huc_sanitize(struct intel_huc *huc);
@@ -46,11 +58,13 @@ 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);
void intel_huc_suspend(struct intel_huc *huc);
-int intel_huc_auth(struct intel_huc *huc);
-int intel_huc_wait_for_auth_complete(struct intel_huc *huc);
+int intel_huc_auth(struct intel_huc *huc, enum intel_huc_authentication_type type);
+int intel_huc_wait_for_auth_complete(struct intel_huc *huc,
+ enum intel_huc_authentication_type type);
+bool intel_huc_is_authenticated(struct intel_huc *huc,
+ enum intel_huc_authentication_type type);
int intel_huc_check_status(struct intel_huc *huc);
void intel_huc_update_auth_status(struct intel_huc *huc);
-bool intel_huc_is_authenticated(struct intel_huc *huc);
void intel_huc_register_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus);
void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, const struct bus_type *bus);
@@ -73,13 +87,13 @@ static inline bool intel_huc_is_used(struct intel_huc *huc)
static inline bool intel_huc_is_loaded_by_gsc(const struct intel_huc *huc)
{
- return huc->fw.loaded_via_gsc;
+ return huc->loaded_via_gsc;
}
static inline bool intel_huc_wait_required(struct intel_huc *huc)
{
return intel_huc_is_used(huc) && intel_huc_is_loaded_by_gsc(huc) &&
- !intel_huc_is_authenticated(huc);
+ !intel_huc_is_authenticated(huc, INTEL_HUC_AUTH_BY_GSC);
}
void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p);