Implement top-level API for job-attached transfers

* top-level API is tapasco_device_job_set_transfer, which in turn uses
  tapasco_job level functions

arch/axi4mm/src/tapasco_device.c

@@ -148,6 +148,15 @@ tapasco_res_t tapasco_device_job_set_arg(tapasco_dev_ctx_t *dev_ctx,
 	return tapasco_jobs_set_arg(dev_ctx->jobs, j_id, arg_idx, arg_len, arg_value);
 }
 
+tapasco_res_t tapasco_device_job_set_arg_transfer(tapasco_dev_ctx_t *dev_ctx,
+		tapasco_job_id_t const job_id, uint32_t arg_idx,
+		size_t const arg_len, void *arg_value,
+		tapasco_device_alloc_flag_t const flags)
+{
+	return tapasco_jobs_set_arg_transfer(dev_ctx->jobs, job_id, arg_idx,
+			arg_len, arg_value, flags);
+}
+
 tapasco_res_t tapasco_device_job_get_return(tapasco_dev_ctx_t *dev_ctx,
 		tapasco_job_id_t const j_id, size_t const ret_len,
 		void *ret_value)

arch/common/include/tapasco.h

@@ -396,6 +396,25 @@ tapasco_res_t tapasco_device_job_set_arg(tapasco_dev_ctx_t *dev_ctx,
 		tapasco_job_id_t const job_id, uint32_t arg_idx,
 		size_t const arg_len, void const *arg_value);
 
+/**
+ * Sets the arg_idx'th argument of function func_id to trigger an automatic
+ * transfer to and from memory allocated internally. Copies data from arg_value
+ * to a newly allocated buffer before execution of the job, and copies data from
+ * the buffer back to arg_value after its end.
+ * Use flags to control memory location, e.g., pe-local memory.
+ * @param dev_ctx device context
+ * @param job_id job id
+ * @param arg_idx argument number
+ * @param arg_len length of arg_value in bytes (must be power of 4)
+ * @param arg_value data to set argument to.
+ * @param flags allocation flags, see @tapasco_device_alloc_flag_t.
+ * @return TAPASCO_SUCCESS if successful, TAPASCO_FAILURE otherwise.
+ **/
+tapasco_res_t tapasco_device_job_set_arg_transfer(tapasco_dev_ctx_t *dev_ctx,
+		tapasco_job_id_t const job_id, uint32_t arg_idx,
+		size_t const arg_len, void *arg_value,
+		tapasco_device_alloc_flag_t const flags);
+
 /**
  * Gets the value of the arg_idx'th argument of function func_id.
  * @param dev_ctx device context