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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Freescale Layerscape MC I/O wrapper
*
* Copyright 2013-2016 Freescale Semiconductor, Inc.
* Copyright 2017, 2023 NXP
*/
#ifndef _FSL_DPRC_H
#define _FSL_DPRC_H
/* DPRC Version */
#define DPRC_VER_MAJOR 6
#define DPRC_VER_MINOR 1
/* Command IDs */
#define DPRC_CMDID_CLOSE 0x8001
#define DPRC_CMDID_OPEN 0x8051
#define DPRC_CMDID_GET_API_VERSION 0xa051
#define DPRC_CMDID_CREATE_CONT 0x1511
#define DPRC_CMDID_DESTROY_CONT 0x1521
#define DPRC_CMDID_GET_CONT_ID 0x8301
#define DPRC_CMDID_CONNECT 0x1671
#define DPRC_CMDID_DISCONNECT 0x1681
#define DPRC_CMDID_GET_CONNECTION 0x16C1
#pragma pack(push, 1)
struct dprc_cmd_open {
__le32 container_id;
};
struct dprc_cmd_create_container {
__le32 options;
__le32 icid;
__le32 pad1;
__le32 portal_id;
u8 label[16];
};
struct dprc_rsp_create_container {
__le64 pad0;
__le32 child_container_id;
__le32 pad1;
__le64 child_portal_addr;
};
struct dprc_cmd_destroy_container {
__le32 child_container_id;
};
struct dprc_cmd_connect {
__le32 ep1_id;
__le16 ep1_interface_id;
__le16 pad0;
__le32 ep2_id;
__le16 ep2_interface_id;
__le16 pad1;
u8 ep1_type[16];
__le32 max_rate;
__le32 committed_rate;
u8 ep2_type[16];
};
struct dprc_cmd_disconnect {
__le32 id;
__le32 interface_id;
u8 type[16];
};
struct dprc_cmd_get_connection {
__le32 ep1_id;
__le16 ep1_interface_id;
__le16 pad;
u8 ep1_type[16];
};
struct dprc_rsp_get_connection {
__le64 pad[3];
__le32 ep2_id;
__le16 ep2_interface_id;
__le16 pad1;
u8 ep2_type[16];
__le32 state;
};
#pragma pack(pop)
/* 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 (u16)(~(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))
int dprc_get_container_id(struct fsl_mc_io *mc_io, u32 cmd_flags, int *container_id);
int dprc_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int container_id, u16 *token);
int dprc_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 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
/* AIOP - Indicates that container belongs to AIOP. */
#define DPRC_CFG_OPT_AIOP 0x00000020
/* IRQ Config - Indicates that the container allowed to configure its IRQs.*/
#define DPRC_CFG_OPT_IRQ_CFG_ALLOWED 0x00000040
/**
* 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
* @label: Object's label
*/
struct dprc_cfg {
u16 icid;
int portal_id;
uint64_t options;
char label[16];
};
int dprc_create_container(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
struct dprc_cfg *cfg, int *child_container_id,
uint64_t *child_portal_offset);
int dprc_destroy_container(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
int child_container_id);
/**
* struct dprc_connection_cfg - Connection configuration.
* Used for virtual connections only
* @committed_rate: Committed rate (Mbits/s)
* @max_rate: Maximum rate (Mbits/s)
*/
struct dprc_connection_cfg {
u32 committed_rate;
u32 max_rate;
};
/**
* struct dprc_endpoint - Endpoint description for link connect/disconnect
* operations
* @type: Endpoint object type: NULL terminated string
* @id: Endpoint object ID
* @if_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;
u16 if_id;
};
int dprc_connect(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
const struct dprc_endpoint *endpoint1,
const struct dprc_endpoint *endpoint2,
const struct dprc_connection_cfg *cfg);
int dprc_disconnect(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
const struct dprc_endpoint *endpoint);
int dprc_get_connection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
const struct dprc_endpoint *endpoint1,
struct dprc_endpoint *endpoint2, int *state);
int dprc_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
u16 *major_ver, u16 *minor_ver);
#endif /* _FSL_DPRC_H */
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