firmware/arm-ffa/ffa-emul-uclass.c

70  * @res:  The SMC return data
79 static int sandbox_ffa_version(struct udevice *emul, ffa_value_t *pargs, ffa_value_t *res)
84 	res->a0 = priv->fwk_version;
96  * @res:  The SMC return data
104 static int sandbox_ffa_id_get(struct udevice *emul, ffa_value_t *pargs, ffa_value_t *res)
108 	res->a0 = FFA_SMC_32(FFA_SUCCESS);
109 	res->a1 = 0;
112 	res->a2 = priv->id;
123  * @res:  The SMC return data
131 static int sandbox_ffa_features(ffa_value_t *pargs, ffa_value_t *res)
133 	res->a1 = 0;
136 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
137 		res->a2 = RXTX_BUFFERS_MIN_SIZE;
138 		res->a3 = 0;
144 	res->a0 = FFA_SMC_32(FFA_ERROR);
145 	res->a2 = -NOT_SUPPORTED;
157  * @res:  The SMC return data
166 					  ffa_value_t *res)
174 	res->a0 = FFA_SMC_32(FFA_ERROR);
177 		res->a2 = -DENIED;
183 		res->a2 = -BUSY;
198 		res->a2 = -NO_MEMORY;
210 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
211 		res->a2 = SANDBOX_PARTITIONS_CNT;
230 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
232 		res->a2 = (ulong)
241 		res->a2 = -INVALID_PARAMETERS;
247 	log_err("FFA_PARTITION_INFO_GET (%ld)\n", res->a2);
249 	res->a1 = 0;
261  * @res:  The SMC return data
269 static int sandbox_ffa_rxtx_map(struct udevice *emul, ffa_value_t *pargs, ffa_value_t *res)
274 	res->a0 = FFA_SMC_32(FFA_ERROR);
277 		res->a2 = -DENIED;
287 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
288 		res->a2 = 0;
294 		res->a2 = -INVALID_PARAMETERS;
297 		res->a2 = -NO_MEMORY;
302 		(int)res->a2);
306 	res->a1 = 0;
318  * @res:  The SMC return data
326 static int sandbox_ffa_rxtx_unmap(struct udevice *emul, ffa_value_t *pargs, ffa_value_t *res)
331 	res->a0 = FFA_SMC_32(FFA_ERROR);
332 	res->a2 = -INVALID_PARAMETERS;
343 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
344 		res->a2 = 0;
353 	res->a1 = 0;
365  * @res:  The SMC return data
373 static int sandbox_ffa_rx_release(struct udevice *emul, ffa_value_t *pargs, ffa_value_t *res)
379 		res->a0 = FFA_SMC_32(FFA_ERROR);
380 		res->a2 = -DENIED;
384 		res->a0 = FFA_SMC_32(FFA_SUCCESS);
385 		res->a2 = 0;
389 	res->a1 = 0;
424  * @res:  The SMC return data
438 					   ffa_value_t *pargs, ffa_value_t *res)
447 		res->a0 = FFA_SMC_32(FFA_ERROR);
448 		res->a1 = 0;
449 		res->a2 = -INVALID_PARAMETERS;
457 	res->a0 = FFA_SMC_64(FFA_MSG_SEND_DIRECT_RESP);
459 	res->a1 = PREP_SRC_SP_ID(part_id) |
462 	res->a2 = 0;
465 	res->a3 = -1UL;
466 	res->a4 = -1UL;
467 	res->a5 = -1UL;
468 	res->a6 = -1UL;
469 	res->a7 = -1UL;
609  * @res:	the SMC call returned data
621 void sandbox_arm_ffa_smccc_smc(ffa_value_t *args, ffa_value_t *res)
634 		ret = sandbox_ffa_version(emul, args, res);
637 		ret = sandbox_ffa_partition_info_get(emul, args, res);
640 		ret = sandbox_ffa_rxtx_unmap(emul, args, res);
643 		ret = sandbox_ffa_msg_send_direct_req(emul, args, res);
646 		ret = sandbox_ffa_id_get(emul, args, res);
649 		ret = sandbox_ffa_features(args, res);
652 		ret = sandbox_ffa_rxtx_map(emul, args, res);
655 		ret = sandbox_ffa_rx_release(emul, args, res);
669  * @res: FF-A ABI return data to be copied from Xn registers
673 void invoke_ffa_fn(ffa_value_t args, ffa_value_t *res)
675 	sandbox_arm_ffa_smccc_smc(&args, res);