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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
*/
#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dprc.h>
/**
* dprc_get_container_id - Get container ID associated with a given portal.
* @mc_io: Pointer to Mc portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @container_id: Requested container id
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_container_id(struct fsl_mc_io *mc_io, u32 cmd_flags, int *container_id)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONT_ID,
cmd_flags,
0);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*container_id = (int)mc_cmd_read_object_id(&cmd);
return 0;
}
/**
* dprc_open() - Open DPRC object for use
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @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, u32 cmd_flags, int container_id, u16 *token)
{
struct dprc_cmd_open *cmd_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
0);
cmd_params = (struct dprc_cmd_open *)cmd.params;
cmd_params->container_id = cpu_to_le32(container_id);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*token = mc_cmd_hdr_read_token(&cmd);
return 0;
}
/**
* dprc_close() - Close the control session of the object
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @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, u32 cmd_flags, u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_create_container() - Create child container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @cfg: Child container configuration
* @child_container_id: Returned child container ID
* @child_portal_offset:Returned child portal offset from MC portal base
*
* Return: '0' on Success; Error code otherwise.
*/
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)
{
struct dprc_cmd_create_container *cmd_params;
struct dprc_rsp_create_container *rsp_params;
struct mc_command cmd = { 0 };
int err, i;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
cmd_flags, token);
cmd_params = (struct dprc_cmd_create_container *)cmd.params;
cmd_params->options = cpu_to_le32(cfg->options);
cmd_params->icid = cpu_to_le32(cfg->icid);
cmd_params->portal_id = cpu_to_le32(cfg->portal_id);
for (i = 0; i < 16; i++)
cmd_params->label[i] = cfg->label[i];
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
rsp_params = (struct dprc_rsp_create_container *)cmd.params;
*child_container_id = le32_to_cpu(rsp_params->child_container_id);
*child_portal_offset = le64_to_cpu(rsp_params->child_portal_addr);
return 0;
}
/**
* dprc_destroy_container() - Destroy child container.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id: ID of the container to destroy
*
* This function terminates the child container, so following this call the
* child container ID becomes invalid.
*
* Notes:
* - All resources and objects of the destroyed container are returned to the
* parent container or destroyed if were created be the destroyed container.
* - This function destroy all the child containers of the specified
* container prior to destroying the container itself.
*
* warning: Only the parent container is allowed to destroy a child policy
* Container 0 can't be destroyed
*
* Return: '0' on Success; Error code otherwise.
*
*/
int dprc_destroy_container(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
int child_container_id)
{
struct dprc_cmd_destroy_container *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
cmd_flags, token);
cmd_params = (struct dprc_cmd_destroy_container *)cmd.params;
cmd_params->child_container_id = cpu_to_le32(child_container_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_connect() - Connect two endpoints to create a network link between them
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @endpoint1: Endpoint 1 configuration parameters
* @endpoint2: Endpoint 2 configuration parameters
* @cfg: Connection configuration. The connection configuration
* is ignored for connections made to DPMAC objects, where
* rate is retrieved from the MAC configuration.
*
* Return: '0' on Success; Error code otherwise.
*/
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)
{
struct dprc_cmd_connect *cmd_params;
struct mc_command cmd = { 0 };
int i;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
cmd_flags,
token);
cmd_params = (struct dprc_cmd_connect *)cmd.params;
cmd_params->ep1_id = cpu_to_le32(endpoint1->id);
cmd_params->ep1_interface_id = cpu_to_le16(endpoint1->if_id);
cmd_params->ep2_id = cpu_to_le32(endpoint2->id);
cmd_params->ep2_interface_id = cpu_to_le16(endpoint2->if_id);
cmd_params->max_rate = cpu_to_le32(cfg->max_rate);
cmd_params->committed_rate = cpu_to_le32(cfg->committed_rate);
for (i = 0; i < 16; i++) {
cmd_params->ep1_type[i] = endpoint1->type[i];
cmd_params->ep2_type[i] = endpoint2->type[i];
}
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_disconnect() - Disconnect one endpoint to remove its network connection
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @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, u32 cmd_flags, u16 token,
const struct dprc_endpoint *endpoint)
{
struct dprc_cmd_disconnect *cmd_params;
struct mc_command cmd = { 0 };
int i;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
cmd_flags,
token);
cmd_params = (struct dprc_cmd_disconnect *)cmd.params;
cmd_params->id = cpu_to_le32(endpoint->id);
cmd_params->interface_id = cpu_to_le32(endpoint->if_id);
for (i = 0; i < 16; i++)
cmd_params->type[i] = endpoint->type[i];
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_connection() - Get connected endpoint and link status if connection
* exists.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @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;
* -1 - no connection (endpoint2 information is irrelevant)
*
* Return: '0' on Success; -ENAVAIL if connection does not exist.
*/
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)
{
struct dprc_cmd_get_connection *cmd_params;
struct dprc_rsp_get_connection *rsp_params;
struct mc_command cmd = { 0 };
int err, i;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
cmd_flags,
token);
cmd_params = (struct dprc_cmd_get_connection *)cmd.params;
cmd_params->ep1_id = cpu_to_le32(endpoint1->id);
cmd_params->ep1_interface_id = cpu_to_le16(endpoint1->if_id);
for (i = 0; i < 16; i++)
cmd_params->ep1_type[i] = endpoint1->type[i];
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
rsp_params = (struct dprc_rsp_get_connection *)cmd.params;
endpoint2->id = le32_to_cpu(rsp_params->ep2_id);
endpoint2->if_id = le16_to_cpu(rsp_params->ep2_interface_id);
*state = le32_to_cpu(rsp_params->state);
for (i = 0; i < 16; i++)
endpoint2->type[i] = rsp_params->ep2_type[i];
return 0;
}
/**
* dprc_get_api_version - Get Data Path Resource Container API version
* @mc_io: Pointer to Mc portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @major_ver: Major version of Data Path Resource Container API
* @minor_ver: Minor version of Data Path Resource Container API
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
u16 *major_ver, u16 *minor_ver)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_API_VERSION,
cmd_flags, 0);
/* send command to mc */
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
mc_cmd_read_api_version(&cmd, major_ver, minor_ver);
return 0;
}
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