mirror of https://github.com/F-Stack/f-stack.git
444 lines
12 KiB
C
444 lines
12 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2018 NXP
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*/
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#include <fsl_mc_sys.h>
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#include <fsl_mc_cmd.h>
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#include <fsl_dpdmai.h>
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#include <fsl_dpdmai_cmd.h>
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/**
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* dpdmai_open() - Open a control session for the specified object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @dpdmai_id: DPDMAI unique ID
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* @token: Returned token; use in subsequent API calls
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*
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* This function can be used to open a control session for an
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* already created object; an object may have been declared in
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* the DPL or by calling the dpdmai_create() function.
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* This function returns a unique authentication token,
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* associated with the specific object ID and the specific MC
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* portal; this token must be used in all subsequent commands for
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* this specific object.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpdmai_id,
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uint16_t *token)
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{
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struct dpdmai_cmd_open *cmd_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_OPEN,
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cmd_flags,
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0);
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cmd_params = (struct dpdmai_cmd_open *)cmd.params;
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cmd_params->dpdmai_id = cpu_to_le32(dpdmai_id);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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*token = mc_cmd_hdr_read_token(&cmd);
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return 0;
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}
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/**
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* dpdmai_close() - Close the control session of the object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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*
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* After this function is called, no further operations are
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* allowed on the object without opening a new control session.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_CLOSE,
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cmd_flags, token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_create() - Create the DPDMAI object
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* @mc_io: Pointer to MC portal's I/O object
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* @dprc_token: Parent container token; '0' for default container
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @cfg: Configuration structure
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* @obj_id: Returned object id
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*
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* Create the DPDMAI object, allocate required resources and
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* perform required initialization.
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*
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* The object can be created either by declaring it in the
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* DPL file, or by calling this function.
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*
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* The function accepts an authentication token of a parent
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* container that this object should be assigned to. The token
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* can be '0' so the object will be assigned to the default container.
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* The newly created object can be opened with the returned
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* object id and using the container's associated tokens and MC portals.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpdmai_cfg *cfg,
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uint32_t *obj_id)
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{
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struct dpdmai_cmd_create *cmd_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_CREATE,
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cmd_flags,
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dprc_token);
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cmd_params = (struct dpdmai_cmd_create *)cmd.params;
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cmd_params->num_queues = cfg->num_queues;
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cmd_params->priorities[0] = cfg->priorities[0];
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cmd_params->priorities[1] = cfg->priorities[1];
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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*obj_id = mc_cmd_read_object_id(&cmd);
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return 0;
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}
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/**
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* dpdmai_destroy() - Destroy the DPDMAI object and release all its resources.
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* @mc_io: Pointer to MC portal's I/O object
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* @dprc_token: Parent container token; '0' for default container
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @object_id: The object id; it must be a valid id within the container that
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* created this object;
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*
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* The function accepts the authentication token of the parent container that
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* created the object (not the one that currently owns the object). The object
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* is searched within parent using the provided 'object_id'.
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* All tokens to the object must be closed before calling destroy.
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*
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* Return: '0' on Success; error code otherwise.
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*/
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int dpdmai_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t object_id)
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{
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struct dpdmai_cmd_destroy *cmd_params;
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_DESTROY,
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cmd_flags,
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dprc_token);
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cmd_params = (struct dpdmai_cmd_destroy *)cmd.params;
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cmd_params->dpdmai_id = cpu_to_le32(object_id);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_enable() - Enable the DPDMAI, allow sending and receiving frames.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_ENABLE,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_disable() - Disable the DPDMAI, stop sending and receiving frames.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_DISABLE,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_is_enabled() - Check if the DPDMAI is enabled.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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* @en: Returns '1' if object is enabled; '0' otherwise
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en)
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{
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struct dpdmai_rsp_is_enabled *rsp_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_IS_ENABLED,
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cmd_flags,
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token);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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rsp_params = (struct dpdmai_rsp_is_enabled *)cmd.params;
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*en = dpdmai_get_field(rsp_params->en, ENABLE);
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return 0;
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}
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/**
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* dpdmai_reset() - Reset the DPDMAI, returns the object to initial state.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_RESET,
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cmd_flags,
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token);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_get_attributes() - Retrieve DPDMAI attributes.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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* @attr: Returned object's attributes
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpdmai_attr *attr)
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{
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struct dpdmai_rsp_get_attr *rsp_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_GET_ATTR,
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cmd_flags,
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token);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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rsp_params = (struct dpdmai_rsp_get_attr *)cmd.params;
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attr->id = le32_to_cpu(rsp_params->id);
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attr->num_of_priorities = rsp_params->num_of_priorities;
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attr->num_of_queues = rsp_params->num_of_queues;
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return 0;
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}
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/**
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* dpdmai_set_rx_queue() - Set Rx queue configuration
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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* @queue_idx: Rx queue index. Accepted values are form 0 to num_queues
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* parameter provided in dpdmai_create
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* @priority: Select the queue relative to number of
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* priorities configured at DPDMAI creation; use
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* DPDMAI_ALL_QUEUES to configure all Rx queues
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* identically.
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* @cfg: Rx queue configuration
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_set_rx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue_idx,
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uint8_t priority,
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const struct dpdmai_rx_queue_cfg *cfg)
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{
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struct dpdmai_cmd_set_rx_queue *cmd_params;
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_SET_RX_QUEUE,
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cmd_flags,
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token);
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cmd_params = (struct dpdmai_cmd_set_rx_queue *)cmd.params;
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cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
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cmd_params->dest_priority = cfg->dest_cfg.priority;
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cmd_params->priority = priority;
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cmd_params->queue_idx = queue_idx;
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cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx);
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cmd_params->options = cpu_to_le32(cfg->options);
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dpdmai_set_field(cmd_params->dest_type,
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DEST_TYPE,
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cfg->dest_cfg.dest_type);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpdmai_get_rx_queue() - Retrieve Rx queue attributes.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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* @queue_idx: Rx queue index. Accepted values are form 0 to num_queues
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* parameter provided in dpdmai_create
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* @priority: Select the queue relative to number of
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* priorities configured at DPDMAI creation
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* @attr: Returned Rx queue attributes
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_get_rx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue_idx,
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uint8_t priority,
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struct dpdmai_rx_queue_attr *attr)
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{
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struct dpdmai_cmd_get_queue *cmd_params;
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struct dpdmai_rsp_get_rx_queue *rsp_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_GET_RX_QUEUE,
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cmd_flags,
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token);
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cmd_params = (struct dpdmai_cmd_get_queue *)cmd.params;
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cmd_params->priority = priority;
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cmd_params->queue_idx = queue_idx;
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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rsp_params = (struct dpdmai_rsp_get_rx_queue *)cmd.params;
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attr->user_ctx = le64_to_cpu(rsp_params->user_ctx);
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attr->fqid = le32_to_cpu(rsp_params->fqid);
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attr->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id);
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attr->dest_cfg.priority = le32_to_cpu(rsp_params->dest_priority);
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attr->dest_cfg.dest_type = dpdmai_get_field(rsp_params->dest_type,
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DEST_TYPE);
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return 0;
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}
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/**
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* dpdmai_get_tx_queue() - Retrieve Tx queue attributes.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPDMAI object
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* @queue_idx: Tx queue index. Accepted values are form 0 to num_queues
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* parameter provided in dpdmai_create
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* @priority: Select the queue relative to number of
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* priorities configured at DPDMAI creation
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* @attr: Returned Tx queue attributes
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpdmai_get_tx_queue(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t queue_idx,
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uint8_t priority,
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struct dpdmai_tx_queue_attr *attr)
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{
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struct dpdmai_cmd_get_queue *cmd_params;
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struct dpdmai_rsp_get_tx_queue *rsp_params;
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPDMAI_CMDID_GET_TX_QUEUE,
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cmd_flags,
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token);
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cmd_params = (struct dpdmai_cmd_get_queue *)cmd.params;
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cmd_params->priority = priority;
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cmd_params->queue_idx = queue_idx;
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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rsp_params = (struct dpdmai_rsp_get_tx_queue *)cmd.params;
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attr->fqid = le32_to_cpu(rsp_params->fqid);
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return 0;
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}
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