92 	/* copy caller provided gsc message handle if this is polling for a prior msg completion */  in gsccs_send_message()
113 	ret = intel_gsc_uc_heci_cmd_submit_nonpriv(&gt->uc.gsc,  in gsccs_send_message()
117 		drm_err(&i915->drm, "failed to send gsc PXP msg (%d)\n", ret);  in gsccs_send_message()
123 		drm_err(&i915->drm, "gsc PXP reply with invalid validity marker\n");  in gsccs_send_message()
128 		drm_dbg(&i915->drm, "gsc PXP reply status has error = 0x%08x\n",  in gsccs_send_message()
134 		drm_dbg(&i915->drm, "gsc PXP reply is busy\n");  in gsccs_send_message()
136 		 * When the GSC firmware replies with pending bit, it means that the requested  in gsccs_send_message()
174 	 * Keep sending request if GSC firmware was busy. Based on fw specs +  in gsccs_send_message_retry_complete()
181 		/* Only try again if gsc says so */  in gsccs_send_message_retry_complete()
194 	 * GSC-fw loading, HuC-fw loading, HuC-fw authentication and  in intel_pxp_gsccs_is_ready_for_sessions()
195 	 * GSC-proxy init flow (requiring an mei component driver)  in intel_pxp_gsccs_is_ready_for_sessions()
198 	 * gsc-proxy init flow (the last set of dependencies that  in intel_pxp_gsccs_is_ready_for_sessions()
202 	    intel_gsc_uc_fw_proxy_init_done(&pxp->ctrl_gt->uc.gsc, true))  in intel_pxp_gsccs_is_ready_for_sessions()
378 	 * First, ensure the GSC engine is present.  in gsccs_allocate_execution_resource()
386 	 * and another for the batch buffer we submit into GSC engine (that includes the packet).  in gsccs_allocate_execution_resource()
387 	 * NOTE: GSC-CS backend is currently only supported on MTL, so we allocate shmem.  in gsccs_allocate_execution_resource()
412 	/* initialize host-session-handle (for all i915-to-gsc-firmware PXP cmds) */  in gsccs_allocate_execution_resource()