path: root/include/fsl-mc/fsl_dprc.h

/*
 * Freescale Layerscape MC I/O wrapper
 *
 * Copyright (C) 2013-2015 Freescale Semiconductor, Inc.
 * Author: German Rivera <German.Rivera@freescale.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#ifndef _FSL_DPRC_H
#define _FSL_DPRC_H

/* DPRC Version */
#define DPRC_VER_MAJOR				2
#define DPRC_VER_MINOR				0

/* Command IDs */
#define DPRC_CMDID_CLOSE			0x800
#define DPRC_CMDID_OPEN				0x805

#define DPRC_CMDID_GET_ATTR			0x004
#define DPRC_CMDID_RESET_CONT			0x005

#define DPRC_CMDID_GET_CONT_ID			0x830
#define DPRC_CMDID_GET_OBJ_COUNT		0x159
#define DPRC_CMDID_GET_OBJ			0x15A
#define DPRC_CMDID_GET_RES_COUNT		0x15B
#define DPRC_CMDID_GET_RES_IDS			0x15C
#define DPRC_CMDID_GET_OBJ_REG			0x15E

#define DPRC_CMDID_CONNECT			0x167
#define DPRC_CMDID_DISCONNECT			0x168
#define DPRC_CMDID_GET_CONNECTION		0x16C

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_CONTAINER_ID(cmd, container_id) \
	MC_RSP_OP(cmd, 0, 0,  32,  int,	    container_id)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_OPEN(cmd, container_id) \
	MC_CMD_OP(cmd, 0, 0,  32, int,	    container_id)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_RESET_CONTAINER(cmd, child_container_id) \
	MC_CMD_OP(cmd, 0, 0,  32, int,	    child_container_id)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_ATTRIBUTES(cmd, attr) \
do { \
	MC_RSP_OP(cmd, 0, 0,  32, int,	    attr->container_id); \
	MC_RSP_OP(cmd, 0, 32, 16, uint16_t, attr->icid); \
	MC_RSP_OP(cmd, 1, 0,  32, uint32_t, attr->options);\
	MC_RSP_OP(cmd, 1, 32, 32, int,      attr->portal_id); \
	MC_RSP_OP(cmd, 2, 0,  16, uint16_t, attr->version.major);\
	MC_RSP_OP(cmd, 2, 16, 16, uint16_t, attr->version.minor);\
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_OBJ_COUNT(cmd, obj_count) \
	MC_RSP_OP(cmd, 0, 32, 32, int,      obj_count)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_GET_OBJ(cmd, obj_index) \
	MC_CMD_OP(cmd, 0, 0,  32, int,	    obj_index)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_OBJ(cmd, obj_desc) \
do { \
	MC_RSP_OP(cmd, 0, 32, 32, int,	    obj_desc->id); \
	MC_RSP_OP(cmd, 1, 0,  16, uint16_t, obj_desc->vendor); \
	MC_RSP_OP(cmd, 1, 16, 8,  uint8_t,  obj_desc->irq_count); \
	MC_RSP_OP(cmd, 1, 24, 8,  uint8_t,  obj_desc->region_count); \
	MC_RSP_OP(cmd, 1, 32, 32, uint32_t, obj_desc->state);\
	MC_RSP_OP(cmd, 2, 0,  16, uint16_t, obj_desc->ver_major);\
	MC_RSP_OP(cmd, 2, 16, 16, uint16_t, obj_desc->ver_minor);\
	MC_RSP_OP(cmd, 3, 0,  8,  char,	    obj_desc->type[0]);\
	MC_RSP_OP(cmd, 3, 8,  8,  char,	    obj_desc->type[1]);\
	MC_RSP_OP(cmd, 3, 16, 8,  char,	    obj_desc->type[2]);\
	MC_RSP_OP(cmd, 3, 24, 8,  char,	    obj_desc->type[3]);\
	MC_RSP_OP(cmd, 3, 32, 8,  char,	    obj_desc->type[4]);\
	MC_RSP_OP(cmd, 3, 40, 8,  char,	    obj_desc->type[5]);\
	MC_RSP_OP(cmd, 3, 48, 8,  char,	    obj_desc->type[6]);\
	MC_RSP_OP(cmd, 3, 56, 8,  char,	    obj_desc->type[7]);\
	MC_RSP_OP(cmd, 4, 0,  8,  char,	    obj_desc->type[8]);\
	MC_RSP_OP(cmd, 4, 8,  8,  char,	    obj_desc->type[9]);\
	MC_RSP_OP(cmd, 4, 16, 8,  char,	    obj_desc->type[10]);\
	MC_RSP_OP(cmd, 4, 24, 8,  char,	    obj_desc->type[11]);\
	MC_RSP_OP(cmd, 4, 32, 8,  char,	    obj_desc->type[12]);\
	MC_RSP_OP(cmd, 4, 40, 8,  char,	    obj_desc->type[13]);\
	MC_RSP_OP(cmd, 4, 48, 8,  char,	    obj_desc->type[14]);\
	MC_RSP_OP(cmd, 4, 56, 8,  char,	    obj_desc->type[15]);\
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_GET_RES_COUNT(cmd, type) \
do { \
	MC_CMD_OP(cmd, 1, 0,  8,  char,	    type[0]);\
	MC_CMD_OP(cmd, 1, 8,  8,  char,	    type[1]);\
	MC_CMD_OP(cmd, 1, 16, 8,  char,	    type[2]);\
	MC_CMD_OP(cmd, 1, 24, 8,  char,	    type[3]);\
	MC_CMD_OP(cmd, 1, 32, 8,  char,	    type[4]);\
	MC_CMD_OP(cmd, 1, 40, 8,  char,	    type[5]);\
	MC_CMD_OP(cmd, 1, 48, 8,  char,	    type[6]);\
	MC_CMD_OP(cmd, 1, 56, 8,  char,	    type[7]);\
	MC_CMD_OP(cmd, 2, 0,  8,  char,	    type[8]);\
	MC_CMD_OP(cmd, 2, 8,  8,  char,	    type[9]);\
	MC_CMD_OP(cmd, 2, 16, 8,  char,	    type[10]);\
	MC_CMD_OP(cmd, 2, 24, 8,  char,	    type[11]);\
	MC_CMD_OP(cmd, 2, 32, 8,  char,	    type[12]);\
	MC_CMD_OP(cmd, 2, 40, 8,  char,	    type[13]);\
	MC_CMD_OP(cmd, 2, 48, 8,  char,	    type[14]);\
	MC_CMD_OP(cmd, 2, 56, 8,  char,	    type[15]);\
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_RES_COUNT(cmd, res_count) \
	MC_RSP_OP(cmd, 0, 0,  32, int,	    res_count)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_GET_RES_IDS(cmd, range_desc, type) \
do { \
	MC_CMD_OP(cmd, 0, 42, 7,  enum dprc_iter_status, \
					    range_desc->iter_status); \
	MC_CMD_OP(cmd, 1, 0,  32, int,	    range_desc->base_id); \
	MC_CMD_OP(cmd, 1, 32, 32, int,	    range_desc->last_id);\
	MC_CMD_OP(cmd, 2, 0,  8,  char,	    type[0]);\
	MC_CMD_OP(cmd, 2, 8,  8,  char,	    type[1]);\
	MC_CMD_OP(cmd, 2, 16, 8,  char,	    type[2]);\
	MC_CMD_OP(cmd, 2, 24, 8,  char,	    type[3]);\
	MC_CMD_OP(cmd, 2, 32, 8,  char,	    type[4]);\
	MC_CMD_OP(cmd, 2, 40, 8,  char,     type[5]);\
	MC_CMD_OP(cmd, 2, 48, 8,  char,	    type[6]);\
	MC_CMD_OP(cmd, 2, 56, 8,  char,	    type[7]);\
	MC_CMD_OP(cmd, 3, 0,  8,  char,	    type[8]);\
	MC_CMD_OP(cmd, 3, 8,  8,  char,	    type[9]);\
	MC_CMD_OP(cmd, 3, 16, 8,  char,	    type[10]);\
	MC_CMD_OP(cmd, 3, 24, 8,  char,	    type[11]);\
	MC_CMD_OP(cmd, 3, 32, 8,  char,	    type[12]);\
	MC_CMD_OP(cmd, 3, 40, 8,  char,	    type[13]);\
	MC_CMD_OP(cmd, 3, 48, 8,  char,	    type[14]);\
	MC_CMD_OP(cmd, 3, 56, 8,  char,	    type[15]);\
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_RES_IDS(cmd, range_desc) \
do { \
	MC_RSP_OP(cmd, 0, 42, 7,  enum dprc_iter_status, \
					    range_desc->iter_status);\
	MC_RSP_OP(cmd, 1, 0,  32, int,	    range_desc->base_id); \
	MC_RSP_OP(cmd, 1, 32, 32, int,	    range_desc->last_id);\
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_GET_OBJ_REGION(cmd, obj_type, obj_id, region_index) \
do { \
	MC_CMD_OP(cmd, 0, 0,  32, int,	    obj_id); \
	MC_CMD_OP(cmd, 0, 48, 8,  uint8_t,  region_index);\
	MC_CMD_OP(cmd, 3, 0,  8,  char,	    obj_type[0]);\
	MC_CMD_OP(cmd, 3, 8,  8,  char,	    obj_type[1]);\
	MC_CMD_OP(cmd, 3, 16, 8,  char,	    obj_type[2]);\
	MC_CMD_OP(cmd, 3, 24, 8,  char,	    obj_type[3]);\
	MC_CMD_OP(cmd, 3, 32, 8,  char,	    obj_type[4]);\
	MC_CMD_OP(cmd, 3, 40, 8,  char,	    obj_type[5]);\
	MC_CMD_OP(cmd, 3, 48, 8,  char,	    obj_type[6]);\
	MC_CMD_OP(cmd, 3, 56, 8,  char,	    obj_type[7]);\
	MC_CMD_OP(cmd, 4, 0,  8,  char,	    obj_type[8]);\
	MC_CMD_OP(cmd, 4, 8,  8,  char,	    obj_type[9]);\
	MC_CMD_OP(cmd, 4, 16, 8,  char,	    obj_type[10]);\
	MC_CMD_OP(cmd, 4, 24, 8,  char,	    obj_type[11]);\
	MC_CMD_OP(cmd, 4, 32, 8,  char,	    obj_type[12]);\
	MC_CMD_OP(cmd, 4, 40, 8,  char,	    obj_type[13]);\
	MC_CMD_OP(cmd, 4, 48, 8,  char,	    obj_type[14]);\
	MC_CMD_OP(cmd, 4, 56, 8,  char,	    obj_type[15]);\
} while (0)

/*	param, offset, width,	type,		arg_name */
#define DPRC_RSP_GET_OBJ_REGION(cmd, region_desc) \
do { \
	MC_RSP_OP(cmd, 1, 0,  64, uint64_t, region_desc->base_paddr);\
	MC_RSP_OP(cmd, 2, 0,  32, uint32_t, region_desc->size); \
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_CONNECT(cmd, endpoint1, endpoint2) \
do { \
	MC_CMD_OP(cmd, 0, 0,  32, int,      endpoint1->id); \
	MC_CMD_OP(cmd, 0, 32, 32, int,	    endpoint1->interface_id); \
	MC_CMD_OP(cmd, 1, 0,  32, int,	    endpoint2->id); \
	MC_CMD_OP(cmd, 1, 32, 32, int,	    endpoint2->interface_id); \
	MC_CMD_OP(cmd, 2, 0,  8,  char,     endpoint1->type[0]); \
	MC_CMD_OP(cmd, 2, 8,  8,  char,	    endpoint1->type[1]); \
	MC_CMD_OP(cmd, 2, 16, 8,  char,	    endpoint1->type[2]); \
	MC_CMD_OP(cmd, 2, 24, 8,  char,	    endpoint1->type[3]); \
	MC_CMD_OP(cmd, 2, 32, 8,  char,	    endpoint1->type[4]); \
	MC_CMD_OP(cmd, 2, 40, 8,  char,	    endpoint1->type[5]); \
	MC_CMD_OP(cmd, 2, 48, 8,  char,	    endpoint1->type[6]); \
	MC_CMD_OP(cmd, 2, 56, 8,  char,	    endpoint1->type[7]); \
	MC_CMD_OP(cmd, 3, 0,  8,  char,	    endpoint1->type[8]); \
	MC_CMD_OP(cmd, 3, 8,  8,  char,	    endpoint1->type[9]); \
	MC_CMD_OP(cmd, 3, 16, 8,  char,	    endpoint1->type[10]); \
	MC_CMD_OP(cmd, 3, 24, 8,  char,	    endpoint1->type[11]); \
	MC_CMD_OP(cmd, 3, 32, 8,  char,     endpoint1->type[12]); \
	MC_CMD_OP(cmd, 3, 40, 8,  char,	    endpoint1->type[13]); \
	MC_CMD_OP(cmd, 3, 48, 8,  char,	    endpoint1->type[14]); \
	MC_CMD_OP(cmd, 3, 56, 8,  char,	    endpoint1->type[15]); \
	MC_CMD_OP(cmd, 5, 0,  8,  char,	    endpoint2->type[0]); \
	MC_CMD_OP(cmd, 5, 8,  8,  char,	    endpoint2->type[1]); \
	MC_CMD_OP(cmd, 5, 16, 8,  char,	    endpoint2->type[2]); \
	MC_CMD_OP(cmd, 5, 24, 8,  char,	    endpoint2->type[3]); \
	MC_CMD_OP(cmd, 5, 32, 8,  char,	    endpoint2->type[4]); \
	MC_CMD_OP(cmd, 5, 40, 8,  char,	    endpoint2->type[5]); \
	MC_CMD_OP(cmd, 5, 48, 8,  char,	    endpoint2->type[6]); \
	MC_CMD_OP(cmd, 5, 56, 8,  char,	    endpoint2->type[7]); \
	MC_CMD_OP(cmd, 6, 0,  8,  char,	    endpoint2->type[8]); \
	MC_CMD_OP(cmd, 6, 8,  8,  char,	    endpoint2->type[9]); \
	MC_CMD_OP(cmd, 6, 16, 8,  char,	    endpoint2->type[10]); \
	MC_CMD_OP(cmd, 6, 24, 8,  char,	    endpoint2->type[11]); \
	MC_CMD_OP(cmd, 6, 32, 8,  char,	    endpoint2->type[12]); \
	MC_CMD_OP(cmd, 6, 40, 8,  char,	    endpoint2->type[13]); \
	MC_CMD_OP(cmd, 6, 48, 8,  char,	    endpoint2->type[14]); \
	MC_CMD_OP(cmd, 6, 56, 8,  char,	    endpoint2->type[15]); \
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_DISCONNECT(cmd, endpoint) \
do { \
	MC_CMD_OP(cmd, 0, 0,  32, int,	    endpoint->id); \
	MC_CMD_OP(cmd, 0, 32, 32, int,	    endpoint->interface_id); \
	MC_CMD_OP(cmd, 1, 0,  8,  char,	    endpoint->type[0]); \
	MC_CMD_OP(cmd, 1, 8,  8,  char,	    endpoint->type[1]); \
	MC_CMD_OP(cmd, 1, 16, 8,  char,	    endpoint->type[2]); \
	MC_CMD_OP(cmd, 1, 24, 8,  char,	    endpoint->type[3]); \
	MC_CMD_OP(cmd, 1, 32, 8,  char,	    endpoint->type[4]); \
	MC_CMD_OP(cmd, 1, 40, 8,  char,	    endpoint->type[5]); \
	MC_CMD_OP(cmd, 1, 48, 8,  char,	    endpoint->type[6]); \
	MC_CMD_OP(cmd, 1, 56, 8,  char,	    endpoint->type[7]); \
	MC_CMD_OP(cmd, 2, 0,  8,  char,	    endpoint->type[8]); \
	MC_CMD_OP(cmd, 2, 8,  8,  char,	    endpoint->type[9]); \
	MC_CMD_OP(cmd, 2, 16, 8,  char,	    endpoint->type[10]); \
	MC_CMD_OP(cmd, 2, 24, 8,  char,	    endpoint->type[11]); \
	MC_CMD_OP(cmd, 2, 32, 8,  char,	    endpoint->type[12]); \
	MC_CMD_OP(cmd, 2, 40, 8,  char,	    endpoint->type[13]); \
	MC_CMD_OP(cmd, 2, 48, 8,  char,	    endpoint->type[14]); \
	MC_CMD_OP(cmd, 2, 56, 8,  char,	    endpoint->type[15]); \
} while (0)

/*                cmd, param, offset, width, type, arg_name */
#define DPRC_CMD_GET_CONNECTION(cmd, endpoint1) \
do { \
	MC_CMD_OP(cmd, 0, 0,  32, int,      endpoint1->id); \
	MC_CMD_OP(cmd, 0, 32, 32, int,	    endpoint1->interface_id); \
	MC_CMD_OP(cmd, 1, 0,  8,  char,     endpoint1->type[0]); \
	MC_CMD_OP(cmd, 1, 8,  8,  char,	    endpoint1->type[1]); \
	MC_CMD_OP(cmd, 1, 16, 8,  char,	    endpoint1->type[2]); \
	MC_CMD_OP(cmd, 1, 24, 8,  char,	    endpoint1->type[3]); \
	MC_CMD_OP(cmd, 1, 32, 8,  char,	    endpoint1->type[4]); \
	MC_CMD_OP(cmd, 1, 40, 8,  char,	    endpoint1->type[5]); \
	MC_CMD_OP(cmd, 1, 48, 8,  char,	    endpoint1->type[6]); \
	MC_CMD_OP(cmd, 1, 56, 8,  char,	    endpoint1->type[7]); \
	MC_CMD_OP(cmd, 2, 0,  8,  char,	    endpoint1->type[8]); \
	MC_CMD_OP(cmd, 2, 8,  8,  char,	    endpoint1->type[9]); \
	MC_CMD_OP(cmd, 2, 16, 8,  char,	    endpoint1->type[10]); \
	MC_CMD_OP(cmd, 2, 24, 8,  char,	    endpoint1->type[11]); \
	MC_CMD_OP(cmd, 2, 32, 8,  char,     endpoint1->type[12]); \
	MC_CMD_OP(cmd, 2, 40, 8,  char,	    endpoint1->type[13]); \
	MC_CMD_OP(cmd, 2, 48, 8,  char,	    endpoint1->type[14]); \
	MC_CMD_OP(cmd, 2, 56, 8,  char,	    endpoint1->type[15]); \
} while (0)


/*                cmd, param, offset, width, type, arg_name */
#define DPRC_RSP_GET_CONNECTION(cmd, endpoint2, state) \
do { \
	MC_RSP_OP(cmd, 3, 0,  32, int,	    endpoint2->id); \
	MC_RSP_OP(cmd, 3, 32, 32, int,	    endpoint2->interface_id); \
	MC_RSP_OP(cmd, 4, 0,  8,  char,	    endpoint2->type[0]); \
	MC_RSP_OP(cmd, 4, 8,  8,  char,	    endpoint2->type[1]); \
	MC_RSP_OP(cmd, 4, 16, 8,  char,	    endpoint2->type[2]); \
	MC_RSP_OP(cmd, 4, 24, 8,  char,	    endpoint2->type[3]); \
	MC_RSP_OP(cmd, 4, 32, 8,  char,	    endpoint2->type[4]); \
	MC_RSP_OP(cmd, 4, 40, 8,  char,	    endpoint2->type[5]); \
	MC_RSP_OP(cmd, 4, 48, 8,  char,	    endpoint2->type[6]); \
	MC_RSP_OP(cmd, 4, 56, 8,  char,	    endpoint2->type[7]); \
	MC_RSP_OP(cmd, 5, 0,  8,  char,	    endpoint2->type[8]); \
	MC_RSP_OP(cmd, 5, 8,  8,  char,	    endpoint2->type[9]); \
	MC_RSP_OP(cmd, 5, 16, 8,  char,	    endpoint2->type[10]); \
	MC_RSP_OP(cmd, 5, 24, 8,  char,	    endpoint2->type[11]); \
	MC_RSP_OP(cmd, 5, 32, 8,  char,	    endpoint2->type[12]); \
	MC_RSP_OP(cmd, 5, 40, 8,  char,	    endpoint2->type[13]); \
	MC_RSP_OP(cmd, 5, 48, 8,  char,	    endpoint2->type[14]); \
	MC_RSP_OP(cmd, 5, 56, 8,  char,	    endpoint2->type[15]); \
	MC_RSP_OP(cmd, 6, 0,  32, int,	    state); \
} while (0)

/* Data Path Resource Container API
 * Contains DPRC API for managing and querying DPAA resources
 */
struct fsl_mc_io;

/**
 * Set this value as the icid value in dprc_cfg structure when creating a
 * container, in case the ICID is not selected by the user and should be
 * allocated by the DPRC from the pool of ICIDs.
 */
#define DPRC_GET_ICID_FROM_POOL			(uint16_t)(~(0))

/**
 * Set this value as the portal_id value in dprc_cfg structure when creating a
 * container, in case the portal ID is not specifically selected by the
 * user and should be allocated by the DPRC from the pool of portal ids.
 */
#define DPRC_GET_PORTAL_ID_FROM_POOL	(int)(~(0))

/**
 * dprc_get_container_id() - Get container ID associated with a given portal.
 * @mc_io:		Pointer to MC portal's I/O object
 * @container_id:	Requested container ID
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_container_id(struct fsl_mc_io *mc_io, int *container_id);

/**
 * dprc_open() - Open DPRC object for use
 * @mc_io:	Pointer to MC portal's I/O object
 * @container_id: Container ID to open
 * @token:	Returned token of DPRC object
 *
 * Return:	'0' on Success; Error code otherwise.
 *
 * @warning	Required before any operation on the object.
 */
int dprc_open(struct fsl_mc_io *mc_io, int container_id, uint16_t *token);

/**
 * dprc_close() - Close the control session of the object
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 *
 * After this function is called, no further operations are
 * allowed on the object without opening a new control session.
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_close(struct fsl_mc_io *mc_io, uint16_t token);

/**
 * Container general options
 *
 * These options may be selected at container creation by the container creator
 * and can be retrieved using dprc_get_attributes()
 */

/* Spawn Policy Option allowed - Indicates that the new container is allowed
 * to spawn and have its own child containers.
 */
#define DPRC_CFG_OPT_SPAWN_ALLOWED		0x00000001

/* General Container allocation policy - Indicates that the new container is
 * allowed to allocate requested resources from its parent container; if not
 * set, the container is only allowed to use resources in its own pools; Note
 * that this is a container's global policy, but the parent container may
 * override it and set specific quota per resource type.
 */
#define DPRC_CFG_OPT_ALLOC_ALLOWED		0x00000002

/* Object initialization allowed - software context associated with this
 * container is allowed to invoke object initialization operations.
 */
#define DPRC_CFG_OPT_OBJ_CREATE_ALLOWED	0x00000004

/* Topology change allowed - software context associated with this
 * container is allowed to invoke topology operations, such as attach/detach
 * of network objects.
 */
#define DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED	0x00000008

/* IOMMU bypass - indicates whether objects of this container are permitted
 * to bypass the IOMMU.
 */
#define DPRC_CFG_OPT_IOMMU_BYPASS		0x00000010

/* AIOP - Indicates that container belongs to AIOP.  */
#define DPRC_CFG_OPT_AIOP			0x00000020

/**
 * struct dprc_cfg - Container configuration options
 * @icid: Container's ICID; if set to 'DPRC_GET_ICID_FROM_POOL', a free
 *		ICID value is allocated by the DPRC
 * @portal_id: Portal ID; if set to 'DPRC_GET_PORTAL_ID_FROM_POOL', a free
 *		portal ID is allocated by the DPRC
 * @options: Combination of 'DPRC_CFG_OPT_<X>' options
 */
struct dprc_cfg {
	uint16_t icid;
	int portal_id;
	uint64_t options;
};

/**
 * dprc_reset_container - Reset child container.
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @child_container_id:	ID of the container to reset
 *
 * In case a software context crashes or becomes non-responsive, the parent
 * may wish to reset its resources container before the software context is
 * restarted.
 *
 * This routine informs all objects assigned to the child container that the
 * container is being reset, so they may perform any cleanup operations that are
 * needed. All objects handles that were owned by the child container shall be
 * closed.
 *
 * Note that such request may be submitted even if the child software context
 * has not crashed, but the resulting object cleanup operations will not be
 * aware of that.
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_reset_container(struct fsl_mc_io *mc_io,
			 uint16_t token,
			 int child_container_id);

/**
 * struct dprc_attributes - Container attributes
 * @container_id: Container's ID
 * @icid: Container's ICID
 * @portal_id: Container's portal ID
 * @options: Container's options as set at container's creation
 * @version: DPRC version
 */
struct dprc_attributes {
	int container_id;
	uint16_t icid;
	int portal_id;
	uint64_t options;
	/**
	 * struct version - DPRC version
	 * @major: DPRC major version
	 * @minor: DPRC minor version
	 */
	struct {
		uint16_t major;
		uint16_t minor;
	} version;
};

/**
 * dprc_get_attributes() - Obtains container attributes
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @attributes	Returned container attributes
 *
 * Return:     '0' on Success; Error code otherwise.
 */
int dprc_get_attributes(struct fsl_mc_io	*mc_io,
			uint16_t		token,
			struct dprc_attributes	*attributes);

/**
 * dprc_get_obj_count() - Obtains the number of objects in the DPRC
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @obj_count:	Number of objects assigned to the DPRC
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count);

/* Objects Attributes Flags */

/* Opened state - Indicates that an object is open by at least one owner */
#define DPRC_OBJ_STATE_OPEN		0x00000001
/* Plugged state - Indicates that the object is plugged */
#define DPRC_OBJ_STATE_PLUGGED		0x00000002

/**
 * struct dprc_obj_desc - Object descriptor, returned from dprc_get_obj()
 * @type: Type of object: NULL terminated string
 * @id: ID of logical object resource
 * @vendor: Object vendor identifier
 * @ver_major: Major version number
 * @ver_minor:  Minor version number
 * @irq_count: Number of interrupts supported by the object
 * @region_count: Number of mappable regions supported by the object
 * @state: Object state: combination of DPRC_OBJ_STATE_ states
 */
struct dprc_obj_desc {
	char type[16];
	int id;
	uint16_t vendor;
	uint16_t ver_major;
	uint16_t ver_minor;
	uint8_t irq_count;
	uint8_t region_count;
	uint32_t state;
};

/**
 * dprc_get_obj() - Get general information on an object
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @obj_index:	Index of the object to be queried (< obj_count)
 * @obj_desc:	Returns the requested object descriptor
 *
 * The object descriptors are retrieved one by one by incrementing
 * obj_index up to (not including) the value of obj_count returned
 * from dprc_get_obj_count(). dprc_get_obj_count() must
 * be called prior to dprc_get_obj().
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_obj(struct fsl_mc_io	*mc_io,
		 uint16_t		token,
		 int			obj_index,
		 struct dprc_obj_desc	*obj_desc);

/**
 * dprc_get_res_count() - Obtains the number of free resources that are assigned
 *		to this container, by pool type
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @type:	pool type
 * @res_count:	Returned number of free resources of the given
 *			resource type that are assigned to this DPRC
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_res_count(struct fsl_mc_io	*mc_io,
		       uint16_t		token,
		       char		*type,
		       int		*res_count);

/**
 * enum dprc_iter_status - Iteration status
 * @DPRC_ITER_STATUS_FIRST: Perform first iteration
 * @DPRC_ITER_STATUS_MORE: Indicates more/next iteration is needed
 * @DPRC_ITER_STATUS_LAST: Indicates last iteration
 */
enum dprc_iter_status {
	DPRC_ITER_STATUS_FIRST = 0,
	DPRC_ITER_STATUS_MORE = 1,
	DPRC_ITER_STATUS_LAST = 2
};

/**
 * struct dprc_res_ids_range_desc - Resource ID range descriptor
 * @base_id: Base resource ID of this range
 * @last_id: Last resource ID of this range
 * @iter_status: Iteration status - should be set to DPRC_ITER_STATUS_FIRST at
 *	first iteration; while the returned marker is DPRC_ITER_STATUS_MORE,
 *	additional iterations are needed, until the returned marker is
 *	DPRC_ITER_STATUS_LAST
 */
struct dprc_res_ids_range_desc {
	int base_id;
	int last_id;
	enum dprc_iter_status iter_status;
};

/**
 * dprc_get_res_ids() - Obtains IDs of free resources in the container
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @type:	pool type
 * @range_desc:	range descriptor
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_res_ids(struct fsl_mc_io			*mc_io,
		     uint16_t				token,
		     char				*type,
		     struct dprc_res_ids_range_desc	*range_desc);

/**
 * struct dprc_region_desc - Mappable region descriptor
 * @base_paddr: Region base physical address
 * @size: Region size (in bytes)
 */
struct dprc_region_desc {
	uint64_t base_paddr;
	uint32_t size;
};

/**
 * dprc_get_obj_region() - Get region information for a specified object.
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @obj_type;	Object type as returned in dprc_get_obj()
 * @obj_id:	Unique object instance as returned in dprc_get_obj()
 * @region_index: The specific region to query
 * @region_desc:  Returns the requested region descriptor
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_get_obj_region(struct fsl_mc_io	*mc_io,
			uint16_t		token,
			char			*obj_type,
			int			obj_id,
			uint8_t			region_index,
			struct dprc_region_desc	*region_desc);
/**
 * struct dprc_endpoint - Endpoint description for link connect/disconnect
 *			operations
 * @type: Endpoint object type: NULL terminated string
 * @id: Endpoint object ID
 * @interface_id: Interface ID; should be set for endpoints with multiple
 *		interfaces ("dpsw", "dpdmux"); for others, always set to 0
 */
struct dprc_endpoint {
	char type[16];
	int id;
	int interface_id;
};

/**
 * dprc_connect() - Connect two endpoints to create a network link between them
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @endpoint1:	Endpoint 1 configuration parameters
 * @endpoint2:	Endpoint 2 configuration parameters
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_connect(struct fsl_mc_io		*mc_io,
		 uint16_t			token,
		 const struct dprc_endpoint	*endpoint1,
		 const struct dprc_endpoint	*endpoint2);

/**
 * dprc_disconnect() - Disconnect one endpoint to remove its network connection
 * @mc_io:	Pointer to MC portal's I/O object
 * @token:	Token of DPRC object
 * @endpoint:	Endpoint configuration parameters
 *
 * Return:	'0' on Success; Error code otherwise.
 */
int dprc_disconnect(struct fsl_mc_io		*mc_io,
		    uint16_t			token,
		    const struct dprc_endpoint	*endpoint);

/**
* dprc_get_connection() - Get connected endpoint and link status if connection
*			exists.
* @mc_io		Pointer to MC portal's I/O object
* @token		Token of DPRC object
* @endpoint1	Endpoint 1 configuration parameters
* @endpoint2	Returned endpoint 2 configuration parameters
* @state:	Returned link state: 1 - link is up, 0 - link is down
*
* Return:     '0' on Success; -ENAVAIL if connection does not exist.
*/
int dprc_get_connection(struct fsl_mc_io		*mc_io,
			uint16_t			token,
			const struct dprc_endpoint	*endpoint1,
			struct dprc_endpoint		*endpoint2,
			int				*state);

#endif /* _FSL_DPRC_H */