37 	struct xe_device *xe = pxp->xe;  in allocate_vcs_execution_resources()  local
44 	hwe = xe_gt_hw_engine(gt, XE_ENGINE_CLASS_VIDEO_DECODE, 0, true);  in allocate_vcs_execution_resources()
48 	q = xe_exec_queue_create(xe, NULL, BIT(hwe->logical_instance), 1, hwe,  in allocate_vcs_execution_resources()
49 				 EXEC_QUEUE_FLAG_KERNEL | EXEC_QUEUE_FLAG_PERMANENT, 0);  in allocate_vcs_execution_resources()
57 	bo = xe_bo_create_pin_map(xe, tile, NULL, SZ_4K, ttm_bo_type_kernel,  in allocate_vcs_execution_resources()
67 	return 0;  in allocate_vcs_execution_resources()
89 	struct xe_device *xe = tile_to_xe(tile);  in allocate_gsc_client_resources()  local
96 	int err = 0;  in allocate_gsc_client_resources()
98 	hwe = xe_gt_hw_engine(gt, XE_ENGINE_CLASS_OTHER, 0, true);  in allocate_gsc_client_resources()
101 	xe_assert(xe, hwe);  in allocate_gsc_client_resources()
104 	vm = xe_vm_create(xe, XE_VM_FLAG_GSC);  in allocate_gsc_client_resources()
110 	bo = xe_bo_create_pin_map(xe, tile, vm, PXP_BB_SIZE + inout_size * 2,  in allocate_gsc_client_resources()
119 	fence = xe_vm_bind_kernel_bo(vm, bo, NULL, 0, XE_CACHE_WB);  in allocate_gsc_client_resources()
127 	if (timeout <= 0) {  in allocate_gsc_client_resources()
132 	q = xe_exec_queue_create(xe, vm, BIT(hwe->logical_instance), 1, hwe,  in allocate_gsc_client_resources()
134 				 EXEC_QUEUE_FLAG_PERMANENT, 0);  in allocate_gsc_client_resources()
143 	gsc_res->batch = IOSYS_MAP_INIT_OFFSET(&bo->vmap, 0);  in allocate_gsc_client_resources()
148 	/* initialize host-session-handle (for all Xe-to-gsc-firmware PXP cmds) */  in allocate_gsc_client_resources()
151 	return 0;  in allocate_gsc_client_resources()
179  * Returns 0 if the allocation and mapping is successful, an errno value
199 	return 0;  in xe_pxp_allocate_execution_resources()
219 static u32 pxp_emit_wait(struct xe_device *xe, struct iosys_map *batch, u32 offset)  in pxp_emit_wait()  argument
222 	emit_cmd(xe, batch, offset++, MFX_WAIT_PXP);  in pxp_emit_wait()
223 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_wait()
228 static u32 pxp_emit_session_selection(struct xe_device *xe, struct iosys_map *batch,  in pxp_emit_session_selection()  argument
231 	offset = pxp_emit_wait(xe, batch, offset);  in pxp_emit_session_selection()
234 	emit_cmd(xe, batch, offset++, MI_FLUSH_DW | MI_FLUSH_IMM_DW);  in pxp_emit_session_selection()
235 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
236 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
237 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
240 	emit_cmd(xe, batch, offset++, MI_SET_APPID | MI_SET_APPID_SESSION_ID(idx));  in pxp_emit_session_selection()
241 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
243 	offset = pxp_emit_wait(xe, batch, offset);  in pxp_emit_session_selection()
246 	emit_cmd(xe, batch, offset++, MI_FLUSH_DW |  in pxp_emit_session_selection()
250 	emit_cmd(xe, batch, offset++, LRC_PPHWSP_PXP_INVAL_SCRATCH_ADDR |  in pxp_emit_session_selection()
252 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
253 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_session_selection()
255 	offset = pxp_emit_wait(xe, batch, offset);  in pxp_emit_session_selection()
260 static u32 pxp_emit_inline_termination(struct xe_device *xe,  in pxp_emit_inline_termination()  argument
264 	emit_cmd(xe, batch, offset++, CRYPTO_KEY_EXCHANGE);  in pxp_emit_inline_termination()
265 	emit_cmd(xe, batch, offset++, 0);  in pxp_emit_inline_termination()
270 static u32 pxp_emit_session_termination(struct xe_device *xe, struct iosys_map *batch,  in pxp_emit_session_termination()  argument
273 	offset = pxp_emit_session_selection(xe, batch, offset, idx);  in pxp_emit_session_termination()
274 	offset = pxp_emit_inline_termination(xe, batch, offset);  in pxp_emit_session_termination()
286  * Returns 0 if the submission is successful, an errno value otherwise.
293 	u32 offset = 0;  in xe_pxp_submit_session_termination()
296 	offset = pxp_emit_session_termination(pxp->xe, &pxp->vcs_exec.bo->vmap, offset, id);  in xe_pxp_submit_session_termination()
297 	offset = pxp_emit_wait(pxp->xe, &pxp->vcs_exec.bo->vmap, offset);  in xe_pxp_submit_session_termination()
298 	emit_cmd(pxp->xe, &pxp->vcs_exec.bo->vmap, offset, MI_BATCH_BUFFER_END);  in xe_pxp_submit_session_termination()
314 	else if (timeout < 0)  in xe_pxp_submit_session_termination()
317 	return 0;  in xe_pxp_submit_session_termination()
356 	struct xe_device *xe = gt_to_xe(gt);  in pxp_pkt_submit()  local
361 	xe_assert(xe, q->hwe->engine_id == XE_HW_ENGINE_GSCCS0);  in pxp_pkt_submit()
373 	if (timeout < 0)  in pxp_pkt_submit()
378 	return 0;  in pxp_pkt_submit()
381 static void emit_pxp_heci_cmd(struct xe_device *xe, struct iosys_map *batch,  in emit_pxp_heci_cmd()  argument
384 	u32 len = 0;  in emit_pxp_heci_cmd()
386 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, GSC_HECI_CMD_PKT);  in emit_pxp_heci_cmd()
387 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, lower_32_bits(addr_in));  in emit_pxp_heci_cmd()
388 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, upper_32_bits(addr_in));  in emit_pxp_heci_cmd()
389 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, size_in);  in emit_pxp_heci_cmd()
390 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, lower_32_bits(addr_out));  in emit_pxp_heci_cmd()
391 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, upper_32_bits(addr_out));  in emit_pxp_heci_cmd()
392 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, size_out);  in emit_pxp_heci_cmd()
393 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, 0);  in emit_pxp_heci_cmd()
394 	xe_map_wr(xe, batch, len++ * sizeof(u32), u32, MI_BATCH_BUFFER_END);  in emit_pxp_heci_cmd()
403 	struct xe_device *xe = gsc_res->vm->xe;  in gsccs_send_message()  local
408 	u32 min_reply_size = 0;  in gsccs_send_message()
415 	wr_offset = xe_gsc_emit_header(xe, &gsc_res->msg_in, 0,  in gsccs_send_message()
422 		xe_map_memcpy_to(xe, &gsc_res->msg_in, wr_offset,  in gsccs_send_message()
428 	xe_gsc_poison_header(xe, &gsc_res->msg_out, 0);  in gsccs_send_message()
431 	 * The BO is mapped at address 0 of the PPGTT, so no need to add its  in gsccs_send_message()
434 	emit_pxp_heci_cmd(xe, &gsc_res->batch, PXP_BB_SIZE,  in gsccs_send_message()
438 	xe_device_wmb(xe);  in gsccs_send_message()
451 		ret = pxp_pkt_submit(gsc_res->q, 0);  in gsccs_send_message()
455 		if (xe_gsc_check_and_update_pending(xe, &gsc_res->msg_in, 0,  in gsccs_send_message()
456 						    &gsc_res->msg_out, 0)) {  in gsccs_send_message()
463 		drm_err(&xe->drm, "failed to submit GSC PXP message (%pe)\n", ERR_PTR(ret));  in gsccs_send_message()
467 	ret = xe_gsc_read_out_header(xe, &gsc_res->msg_out, 0,  in gsccs_send_message()
470 		drm_err(&xe->drm, "invalid GSC reply for PXP (%pe)\n", ERR_PTR(ret));  in gsccs_send_message()
475 		reply_size = xe_map_rd_field(xe, &gsc_res->msg_out, rd_offset,  in gsccs_send_message()
480 			drm_warn(&xe->drm, "PXP reply size overflow: %u (%zu)\n",  in gsccs_send_message()
485 		xe_map_memcpy_from(xe, msg_out, &gsc_res->msg_out,  in gsccs_send_message()
489 	xe_gsc_poison_header(xe, &gsc_res->msg_in, 0);  in gsccs_send_message()
501  * Returns 0 if the submission is successful, an errno value otherwise.
505 	struct xe_device *xe = gsc_res->vm->xe;  in xe_pxp_submit_session_init()  local
506 	struct pxp43_create_arb_in msg_in = {0};  in xe_pxp_submit_session_init()
507 	struct pxp43_create_arb_out msg_out = {0};  in xe_pxp_submit_session_init()
514 				   FIELD_PREP(PXP43_INIT_SESSION_APPTYPE, 0));  in xe_pxp_submit_session_init()
523 		drm_err(&xe->drm, "Failed to init PXP session %u (%pe)\n", id, ERR_PTR(ret));  in xe_pxp_submit_session_init()
524 	} else if (msg_out.header.status != 0) {  in xe_pxp_submit_session_init()
528 			drm_info_once(&xe->drm,  in xe_pxp_submit_session_init()
529 				      "Failed to init PXP session %u due to BIOS/SOC, s=0x%x(%s)\n",  in xe_pxp_submit_session_init()
533 			drm_dbg(&xe->drm, "Failed to init PXP session %u, s=0x%x\n",  in xe_pxp_submit_session_init()
548  * Returns 0 if the submission is successful, an errno value otherwise.
552 	struct xe_device *xe = gsc_res->vm->xe;  in xe_pxp_submit_session_invalidation()  local
553 	struct pxp43_inv_stream_key_in msg_in = {0};  in xe_pxp_submit_session_invalidation()
554 	struct pxp43_inv_stream_key_out msg_out = {0};  in xe_pxp_submit_session_invalidation()
555 	int ret = 0;  in xe_pxp_submit_session_invalidation()
566 	msg_in.header.stream_id |= FIELD_PREP(PXP_CMDHDR_EXTDATA_APP_TYPE, 0);  in xe_pxp_submit_session_invalidation()
572 		drm_err(&xe->drm, "Failed to invalidate PXP stream-key %u (%pe)\n",  in xe_pxp_submit_session_invalidation()
574 	} else if (msg_out.header.status != 0) {  in xe_pxp_submit_session_invalidation()
578 			drm_info_once(&xe->drm,  in xe_pxp_submit_session_invalidation()
579 				      "Failed to invalidate PXP stream-key %u: BIOS/SOC 0x%08x(%s)\n",  in xe_pxp_submit_session_invalidation()
583 			drm_dbg(&xe->drm, "Failed to invalidate stream-key %u, s=0x%08x\n",  in xe_pxp_submit_session_invalidation()