drivers/net/fsl-mc/dprc.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Freescale Layerscape MC I/O wrapper
 *
 * Copyright 2013-2016 Freescale Semiconductor, Inc.
 * Copyright 2017 NXP
 */

#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dprc.h>

int dprc_get_container_id(struct fsl_mc_io *mc_io,
			  uint32_t 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 */
	DPRC_RSP_GET_CONTAINER_ID(cmd, *container_id);

	return 0;
}

int dprc_open(struct fsl_mc_io *mc_io,
	      uint32_t cmd_flags,
	      int container_id,
	      uint16_t *token)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
					  0);
	DPRC_CMD_OPEN(cmd, 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.header);

	return 0;
}

int dprc_close(struct fsl_mc_io *mc_io,
	       uint32_t cmd_flags,
	       uint16_t 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);
}

int dprc_create_container(struct fsl_mc_io *mc_io,
			  uint32_t cmd_flags,
			  uint16_t token,
			  struct dprc_cfg *cfg,
			  int *child_container_id,
			  uint64_t *child_portal_paddr)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	DPRC_CMD_CREATE_CONTAINER(cmd, cfg);

	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
					  cmd_flags,
					  token);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPRC_RSP_CREATE_CONTAINER(cmd, *child_container_id,
				  *child_portal_paddr);

	return 0;
}

int dprc_destroy_container(struct fsl_mc_io *mc_io,
			   uint32_t cmd_flags,
			   uint16_t token,
			   int child_container_id)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
					  cmd_flags,
					  token);
	DPRC_CMD_DESTROY_CONTAINER(cmd, child_container_id);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dprc_connect(struct fsl_mc_io *mc_io,
		 uint32_t cmd_flags,
		 uint16_t token,
		 const struct dprc_endpoint *endpoint1,
		 const struct dprc_endpoint *endpoint2,
		 const struct dprc_connection_cfg *cfg)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
					  cmd_flags,
					  token);
	DPRC_CMD_CONNECT(cmd, endpoint1, endpoint2, cfg);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dprc_disconnect(struct fsl_mc_io *mc_io,
		    uint32_t cmd_flags,
		    uint16_t token,
		    const struct dprc_endpoint *endpoint)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
					  cmd_flags,
					  token);
	DPRC_CMD_DISCONNECT(cmd, endpoint);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dprc_get_connection(struct fsl_mc_io *mc_io,
			uint32_t cmd_flags,
			uint16_t token,
			const struct dprc_endpoint *endpoint1,
			struct dprc_endpoint *endpoint2,
			int *state)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
					  cmd_flags,
					  token);
	DPRC_CMD_GET_CONNECTION(cmd, endpoint1);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPRC_RSP_GET_CONNECTION(cmd, endpoint2, *state);

	return 0;
}

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;
}