27 is_fw_err_platform_config(struct intel_pxp *pxp, u32 type)  in is_fw_err_platform_config()  argument
33 		pxp->platform_cfg_is_bad = true;  in is_fw_err_platform_config()
58 static int intel_pxp_tee_io_message(struct intel_pxp *pxp,  in intel_pxp_tee_io_message()  argument
63 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in intel_pxp_tee_io_message()
64 	struct i915_pxp_component *pxp_component = pxp->pxp_component;  in intel_pxp_tee_io_message()
67 	mutex_lock(&pxp->tee_mutex);  in intel_pxp_tee_io_message()
81 		drm_err(&i915->drm, "Failed to send PXP TEE message\n");  in intel_pxp_tee_io_message()
88 		drm_err(&i915->drm, "Failed to receive PXP TEE message\n");  in intel_pxp_tee_io_message()
94 			"Failed to receive PXP TEE message due to unexpected output size\n");  in intel_pxp_tee_io_message()
104 	mutex_unlock(&pxp->tee_mutex);  in intel_pxp_tee_io_message()
108 int intel_pxp_tee_stream_message(struct intel_pxp *pxp,  in intel_pxp_tee_stream_message()  argument
115 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in intel_pxp_tee_stream_message()
116 	struct i915_pxp_component *pxp_component = pxp->pxp_component;  in intel_pxp_tee_stream_message()
124 	mutex_lock(&pxp->tee_mutex);  in intel_pxp_tee_stream_message()
131 	GEM_BUG_ON(!pxp->stream_cmd.obj);  in intel_pxp_tee_stream_message()
133 	sg = i915_gem_object_get_sg_dma(pxp->stream_cmd.obj, 0, &offset);  in intel_pxp_tee_stream_message()
135 	memcpy(pxp->stream_cmd.vaddr, msg_in, msg_in_len);  in intel_pxp_tee_stream_message()
140 		drm_err(&i915->drm, "Failed to send PXP TEE gsc command\n");  in intel_pxp_tee_stream_message()
142 		memcpy(msg_out, pxp->stream_cmd.vaddr, msg_out_len);  in intel_pxp_tee_stream_message()
145 	mutex_unlock(&pxp->tee_mutex);  in intel_pxp_tee_stream_message()
163 	struct intel_pxp *pxp = i915->pxp;  in i915_pxp_tee_component_bind()  local
164 	struct intel_gt *gt = pxp->ctrl_gt;  in i915_pxp_tee_component_bind()
170 		pxp->dev_link = device_link_add(i915_kdev, tee_kdev, DL_FLAG_STATELESS);  in i915_pxp_tee_component_bind()
171 		if (drm_WARN_ON(&i915->drm, !pxp->dev_link))  in i915_pxp_tee_component_bind()
175 	mutex_lock(&pxp->tee_mutex);  in i915_pxp_tee_component_bind()
176 	pxp->pxp_component = data;  in i915_pxp_tee_component_bind()
177 	pxp->pxp_component->tee_dev = tee_kdev;  in i915_pxp_tee_component_bind()
178 	mutex_unlock(&pxp->tee_mutex);  in i915_pxp_tee_component_bind()
182 			/* load huc via pxp */  in i915_pxp_tee_component_bind()
194 	/* the component is required to fully start the PXP HW */  in i915_pxp_tee_component_bind()
195 	if (intel_pxp_is_enabled(pxp))  in i915_pxp_tee_component_bind()
196 		intel_pxp_init_hw(pxp);  in i915_pxp_tee_component_bind()
207 	struct intel_pxp *pxp = i915->pxp;  in i915_pxp_tee_component_unbind()  local
210 	if (intel_pxp_is_enabled(pxp))  in i915_pxp_tee_component_unbind()
212 			intel_pxp_fini_hw(pxp);  in i915_pxp_tee_component_unbind()
214 	mutex_lock(&pxp->tee_mutex);  in i915_pxp_tee_component_unbind()
215 	pxp->pxp_component = NULL;  in i915_pxp_tee_component_unbind()
216 	mutex_unlock(&pxp->tee_mutex);  in i915_pxp_tee_component_unbind()
218 	if (pxp->dev_link) {  in i915_pxp_tee_component_unbind()
219 		device_link_del(pxp->dev_link);  in i915_pxp_tee_component_unbind()
220 		pxp->dev_link = NULL;  in i915_pxp_tee_component_unbind()
229 static int alloc_streaming_command(struct intel_pxp *pxp)  in alloc_streaming_command()  argument
231 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in alloc_streaming_command()
236 	pxp->stream_cmd.obj = NULL;  in alloc_streaming_command()
237 	pxp->stream_cmd.vaddr = NULL;  in alloc_streaming_command()
242 	/* allocate lmem object of one page for PXP command memory and store it */  in alloc_streaming_command()
245 		drm_err(&i915->drm, "Failed to allocate pxp streaming command!\n");  in alloc_streaming_command()
257 					       intel_gt_coherent_map_type(pxp->ctrl_gt,  in alloc_streaming_command()
267 	pxp->stream_cmd.obj = obj;  in alloc_streaming_command()
268 	pxp->stream_cmd.vaddr = cmd;  in alloc_streaming_command()
279 static void free_streaming_command(struct intel_pxp *pxp)  in free_streaming_command()  argument
281 	struct drm_i915_gem_object *obj = fetch_and_zero(&pxp->stream_cmd.obj);  in free_streaming_command()
291 int intel_pxp_tee_component_init(struct intel_pxp *pxp)  in intel_pxp_tee_component_init()  argument
294 	struct intel_gt *gt = pxp->ctrl_gt;  in intel_pxp_tee_component_init()
297 	ret = alloc_streaming_command(pxp);  in intel_pxp_tee_component_init()
304 		drm_err(&i915->drm, "Failed to add PXP component (%d)\n", ret);  in intel_pxp_tee_component_init()
308 	pxp->pxp_component_added = true;  in intel_pxp_tee_component_init()
313 	free_streaming_command(pxp);  in intel_pxp_tee_component_init()
317 void intel_pxp_tee_component_fini(struct intel_pxp *pxp)  in intel_pxp_tee_component_fini()  argument
319 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in intel_pxp_tee_component_fini()
321 	if (!pxp->pxp_component_added)  in intel_pxp_tee_component_fini()
325 	pxp->pxp_component_added = false;  in intel_pxp_tee_component_fini()
327 	free_streaming_command(pxp);  in intel_pxp_tee_component_fini()
330 int intel_pxp_tee_cmd_create_arb_session(struct intel_pxp *pxp,  in intel_pxp_tee_cmd_create_arb_session()  argument
333 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in intel_pxp_tee_cmd_create_arb_session()
344 	ret = intel_pxp_tee_io_message(pxp,  in intel_pxp_tee_cmd_create_arb_session()
352 		if (is_fw_err_platform_config(pxp, msg_out.header.status)) {  in intel_pxp_tee_cmd_create_arb_session()
354 				      "PXP init-arb-session-%d failed due to BIOS/SOC:0x%08x:%s\n",  in intel_pxp_tee_cmd_create_arb_session()
358 			drm_dbg(&i915->drm, "PXP init-arb-session--%d failed 0x%08x:%st:\n",  in intel_pxp_tee_cmd_create_arb_session()
369 void intel_pxp_tee_end_arb_fw_session(struct intel_pxp *pxp, u32 session_id)  in intel_pxp_tee_end_arb_fw_session()  argument
371 	struct drm_i915_private *i915 = pxp->ctrl_gt->i915;  in intel_pxp_tee_end_arb_fw_session()
387 	ret = intel_pxp_tee_io_message(pxp,  in intel_pxp_tee_end_arb_fw_session()
400 		if (is_fw_err_platform_config(pxp, msg_out.header.status)) {  in intel_pxp_tee_end_arb_fw_session()
402 				      "PXP inv-stream-key-%u failed due to BIOS/SOC :0x%08x:%s\n",  in intel_pxp_tee_end_arb_fw_session()
406 			drm_dbg(&i915->drm, "PXP inv-stream-key-%u failed 0x%08x:%s:\n",  in intel_pxp_tee_end_arb_fw_session()