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// SPDX-License-Identifier: GPL-2.0+
/*
* Data Path Soft Parser
*
* Copyright 2018, 2023 NXP
*/
#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dpsparser.h>
/**
* dpsparser_open() - Open a control session for the specified object.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Returned token; use in subsequent API calls
*
* This function can be used to open a control session for an
* already created object; an object may have been declared in
* the DPL or by calling the dpsparser_create function.
* This function returns a unique authentication token,
* associated with the specific object ID and the specific MC
* portal; this token must be used in all subsequent commands for
* this specific object
*
* Return: '0' on Success; Error code otherwise.
*/
int dpsparser_open(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPSPARSER_CMDID_OPEN,
cmd_flags,
0);
/* 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 err;
}
/**
* dpsparser_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 DPSPARSER 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 dpsparser_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(DPSPARSER_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpsparser_create() - Create the DPSPARSER object.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Returned token; use in subsequent API calls
*
* Create the DPSPARSER object, allocate required resources and
* perform required initialization.
*
* The object can be created either by declaring it in the
* DPL file, or by calling this function.
* This function returns a unique authentication token,
* associated with the specific object ID and the specific MC
* portal; this token must be used in all subsequent calls to
* this specific object. For objects that are created using the
* DPL file, call dpsparser_open function to get an authentication
* token first.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpsparser_create(struct fsl_mc_io *mc_io, u16 token, u32 cmd_flags,
u32 *obj_id)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPSPARSER_CMDID_CREATE,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*obj_id = mc_cmd_read_object_id(&cmd);
return 0;
}
/**
* dpsparser_destroy() - Destroy the DPSPARSER object and release all its resources.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPSPARSER object
*
* Return: '0' on Success; error code otherwise.
*/
int dpsparser_destroy(struct fsl_mc_io *mc_io, u16 token, u32 cmd_flags,
u32 obj_id)
{
struct dpsparser_cmd_destroy *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPSPARSER_CMDID_DESTROY,
cmd_flags,
token);
cmd_params = (struct dpsparser_cmd_destroy *)cmd.params;
cmd_params->dpsparser_id = cpu_to_le32(obj_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpsparser_apply_spb() - Applies the Soft Parser Blob loaded at specified address.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPSPARSER object
* @blob_addr: Blob loading address
* @error: Error reported by MC related to SP Blob parsing and apply
*
* Return: '0' on Success; error code otherwise.
*/
int dpsparser_apply_spb(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
u64 blob_addr, u16 *error)
{
struct dpsparser_rsp_blob_report_error *rsp_params;
struct dpsparser_cmd_blob_set_address *cmd_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPSPARSER_CMDID_APPLY_SPB,
cmd_flags,
token);
cmd_params = (struct dpsparser_cmd_blob_set_address *)cmd.params;
cmd_params->blob_addr = cpu_to_le64(blob_addr);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters: MC error code */
rsp_params = (struct dpsparser_rsp_blob_report_error *)cmd.params;
*error = le16_to_cpu(rsp_params->error);
return 0;
}
/**
* dpsparser_get_api_version - Retrieve DPSPARSER Major and Minor version info.
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @major_ver: DPSPARSER major version
* @minor_ver: DPSPARSER minor version
*
* Return: '0' on Success; Error code otherwise.
*/
int dpsparser_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(DPSPARSER_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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