drivers/soc/imx/sc/svc/rm/rpc_clnt.c

/*
 * Copyright (C) 2016 Freescale Semiconductor, Inc.
 * Copyright 2017 NXP
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

/*!
 * File containing client-side RPC functions for the RM service. These
 * functions are ported to clients that communicate to the SC.
 *
 * @addtogroup RM_SVC
 * @{
 */

/* Includes */

#include <soc/imx8/sc/types.h>
#include <soc/imx8/sc/svc/rm/api.h>
#include "../../main/rpc.h"
#include "rpc.h"

/* Local Defines */

/* Local Types */

/* Local Functions */

sc_err_t sc_rm_partition_alloc(sc_ipc_t ipc, sc_rm_pt_t *pt, bool secure,
			       bool isolated, bool restricted, bool grant,
			       bool coherent)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_PARTITION_ALLOC;
	RPC_U8(&msg, 0) = (uint8_t)secure;
	RPC_U8(&msg, 1) = (uint8_t)isolated;
	RPC_U8(&msg, 2) = (uint8_t)restricted;
	RPC_U8(&msg, 3) = (uint8_t)grant;
	RPC_U8(&msg, 4) = (uint8_t)coherent;
	RPC_SIZE(&msg) = 3;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	if (pt != NULL) {
		*pt = RPC_U8(&msg, 0);
	}

	return (sc_err_t)result;
}

sc_err_t sc_rm_set_confidential(sc_ipc_t ipc, sc_rm_pt_t pt, bool retro)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_CONFIDENTIAL;
	RPC_U8(&msg, 0) = pt;
	RPC_U8(&msg, 1) = (uint8_t)retro;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_partition_free(sc_ipc_t ipc, sc_rm_pt_t pt)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_PARTITION_FREE;
	RPC_U8(&msg, 0) = pt;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_rm_did_t sc_rm_get_did(sc_ipc_t ipc)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_GET_DID;
	RPC_SIZE(&msg) = 1;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_rm_did_t) result;
}

sc_err_t sc_rm_partition_static(sc_ipc_t ipc, sc_rm_pt_t pt, sc_rm_did_t did)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_PARTITION_STATIC;
	RPC_U8(&msg, 0) = pt;
	RPC_U8(&msg, 1) = did;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_partition_lock(sc_ipc_t ipc, sc_rm_pt_t pt)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_PARTITION_LOCK;
	RPC_U8(&msg, 0) = pt;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_get_partition(sc_ipc_t ipc, sc_rm_pt_t *pt)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_GET_PARTITION;
	RPC_SIZE(&msg) = 1;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	if (pt != NULL) {
		*pt = RPC_U8(&msg, 0);
	}

	return (sc_err_t)result;
}

sc_err_t sc_rm_set_parent(sc_ipc_t ipc, sc_rm_pt_t pt, sc_rm_pt_t pt_parent)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_PARENT;
	RPC_U8(&msg, 0) = pt;
	RPC_U8(&msg, 1) = pt_parent;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_move_all(sc_ipc_t ipc, sc_rm_pt_t pt_src, sc_rm_pt_t pt_dst,
			bool move_rsrc, bool move_pads)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_MOVE_ALL;
	RPC_U8(&msg, 0) = pt_src;
	RPC_U8(&msg, 1) = pt_dst;
	RPC_U8(&msg, 2) = (uint8_t)move_rsrc;
	RPC_U8(&msg, 3) = (uint8_t)move_pads;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_assign_resource(sc_ipc_t ipc, sc_rm_pt_t pt, sc_rsrc_t resource)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_ASSIGN_RESOURCE;
	RPC_U16(&msg, 0) = resource;
	RPC_U8(&msg, 2) = pt;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_resource_movable(sc_ipc_t ipc, sc_rsrc_t resource_fst,
				    sc_rsrc_t resource_lst, bool movable)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_RESOURCE_MOVABLE;
	RPC_U16(&msg, 0) = resource_fst;
	RPC_U16(&msg, 2) = resource_lst;
	RPC_U8(&msg, 4) = (uint8_t)movable;
	RPC_SIZE(&msg) = 3;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_subsys_rsrc_movable(sc_ipc_t ipc, sc_rsrc_t resource,
				       bool movable)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_SUBSYS_RSRC_MOVABLE;
	RPC_U16(&msg, 0) = resource;
	RPC_U8(&msg, 2) = (uint8_t)movable;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_master_attributes(sc_ipc_t ipc, sc_rsrc_t resource,
				     sc_rm_spa_t sa, sc_rm_spa_t pa,
				     bool smmu_bypass)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_MASTER_ATTRIBUTES;
	RPC_U16(&msg, 0) = resource;
	RPC_U8(&msg, 2) = sa;
	RPC_U8(&msg, 3) = pa;
	RPC_U8(&msg, 4) = (uint8_t)smmu_bypass;
	RPC_SIZE(&msg) = 3;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_master_sid(sc_ipc_t ipc, sc_rsrc_t resource, sc_rm_sid_t sid)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_MASTER_SID;
	RPC_U16(&msg, 0) = resource;
	RPC_U16(&msg, 2) = sid;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_peripheral_permissions(sc_ipc_t ipc, sc_rsrc_t resource,
					  sc_rm_pt_t pt, sc_rm_perm_t perm)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_PERIPHERAL_PERMISSIONS;
	RPC_U16(&msg, 0) = resource;
	RPC_U8(&msg, 2) = pt;
	RPC_U8(&msg, 3) = perm;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

bool sc_rm_is_resource_owned(sc_ipc_t ipc, sc_rsrc_t resource)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_IS_RESOURCE_OWNED;
	RPC_U16(&msg, 0) = resource;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (bool)result;
}

bool sc_rm_is_resource_master(sc_ipc_t ipc, sc_rsrc_t resource)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_IS_RESOURCE_MASTER;
	RPC_U16(&msg, 0) = resource;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (bool)result;
}

bool sc_rm_is_resource_peripheral(sc_ipc_t ipc, sc_rsrc_t resource)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_IS_RESOURCE_PERIPHERAL;
	RPC_U16(&msg, 0) = resource;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (bool)result;
}

sc_err_t sc_rm_get_resource_info(sc_ipc_t ipc, sc_rsrc_t resource,
				 sc_rm_sid_t *sid)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_GET_RESOURCE_INFO;
	RPC_U16(&msg, 0) = resource;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	if (sid != NULL) {
		*sid = RPC_U16(&msg, 0);
	}

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_memreg_alloc(sc_ipc_t ipc, sc_rm_mr_t *mr,
			    sc_faddr_t addr_start, sc_faddr_t addr_end)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_MEMREG_ALLOC;
	RPC_U32(&msg, 0) = (uint32_t)(addr_start >> 32u);
	RPC_U32(&msg, 4) = (uint32_t)addr_start;
	RPC_U32(&msg, 8) = (uint32_t)(addr_end >> 32u);
	RPC_U32(&msg, 12) = (uint32_t)addr_end;
	RPC_SIZE(&msg) = 5;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	if (mr != NULL) {
		*mr = RPC_U8(&msg, 0);
	}

	return (sc_err_t)result;
}

sc_err_t sc_rm_memreg_split(sc_ipc_t ipc, sc_rm_mr_t mr,
			    sc_rm_mr_t *mr_ret, sc_faddr_t addr_start,
			    sc_faddr_t addr_end)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_MEMREG_SPLIT;
	RPC_U32(&msg, 0) = (uint32_t)(addr_start >> 32u);
	RPC_U32(&msg, 4) = (uint32_t)addr_start;
	RPC_U32(&msg, 8) = (uint32_t)(addr_end >> 32u);
	RPC_U32(&msg, 12) = (uint32_t)addr_end;
	RPC_U8(&msg, 16) = mr;
	RPC_SIZE(&msg) = 6;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	if (mr_ret != NULL) {
		*mr_ret = RPC_U8(&msg, 0);
	}

	return (sc_err_t)result;
}

sc_err_t sc_rm_memreg_free(sc_ipc_t ipc, sc_rm_mr_t mr)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_MEMREG_FREE;
	RPC_U8(&msg, 0) = mr;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_find_memreg(sc_ipc_t ipc, sc_rm_mr_t *mr,
			   sc_faddr_t addr_start, sc_faddr_t addr_end)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_FIND_MEMREG;
	RPC_U32(&msg, 0) = (uint32_t)(addr_start >> 32u);
	RPC_U32(&msg, 4) = (uint32_t)addr_start;
	RPC_U32(&msg, 8) = (uint32_t)(addr_end >> 32u);
	RPC_U32(&msg, 12) = (uint32_t)addr_end;
	RPC_SIZE(&msg) = 5;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	if (mr != NULL) {
		*mr = RPC_U8(&msg, 0);
	}

	return (sc_err_t)result;
}

sc_err_t sc_rm_assign_memreg(sc_ipc_t ipc, sc_rm_pt_t pt, sc_rm_mr_t mr)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_ASSIGN_MEMREG;
	RPC_U8(&msg, 0) = pt;
	RPC_U8(&msg, 1) = mr;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_memreg_permissions(sc_ipc_t ipc, sc_rm_mr_t mr,
				      sc_rm_pt_t pt, sc_rm_perm_t perm)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_MEMREG_PERMISSIONS;
	RPC_U8(&msg, 0) = mr;
	RPC_U8(&msg, 1) = pt;
	RPC_U8(&msg, 2) = perm;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

bool sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_IS_MEMREG_OWNED;
	RPC_U8(&msg, 0) = mr;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (bool)result;
}

sc_err_t sc_rm_get_memreg_info(sc_ipc_t ipc, sc_rm_mr_t mr,
			       sc_faddr_t *addr_start, sc_faddr_t *addr_end)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_GET_MEMREG_INFO;
	RPC_U8(&msg, 0) = mr;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	if (addr_start != NULL) {
		*addr_start =
		    ((uint64_t) RPC_U32(&msg, 0) << 32u) | RPC_U32(&msg, 4);
	}

	if (addr_end != NULL) {
		*addr_end =
		    ((uint64_t) RPC_U32(&msg, 8) << 32u) | RPC_U32(&msg, 12);
	}

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_assign_pad(sc_ipc_t ipc, sc_rm_pt_t pt, sc_pad_t pad)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_ASSIGN_PAD;
	RPC_U16(&msg, 0) = pad;
	RPC_U8(&msg, 2) = pt;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

sc_err_t sc_rm_set_pad_movable(sc_ipc_t ipc, sc_pad_t pad_fst,
			       sc_pad_t pad_lst, bool movable)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_SET_PAD_MOVABLE;
	RPC_U16(&msg, 0) = pad_fst;
	RPC_U16(&msg, 2) = pad_lst;
	RPC_U8(&msg, 4) = (uint8_t)movable;
	RPC_SIZE(&msg) = 3;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (sc_err_t)result;
}

bool sc_rm_is_pad_owned(sc_ipc_t ipc, sc_pad_t pad)
{
	sc_rpc_msg_t msg;
	uint8_t result;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_IS_PAD_OWNED;
	RPC_U8(&msg, 0) = pad;
	RPC_SIZE(&msg) = 2;

	sc_call_rpc(ipc, &msg, false);

	result = RPC_R8(&msg);
	return (bool)result;
}

void sc_rm_dump(sc_ipc_t ipc)
{
	sc_rpc_msg_t msg;

	RPC_VER(&msg) = SC_RPC_VERSION;
	RPC_SVC(&msg) = (uint8_t)SC_RPC_SVC_RM;
	RPC_FUNC(&msg) = (uint8_t)RM_FUNC_DUMP;
	RPC_SIZE(&msg) = 1;

	sc_call_rpc(ipc, &msg, false);

	return;
}

/**@}*/