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444 lines
14 KiB
444 lines
14 KiB
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) |
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/* |
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* Copyright 2013-2016 Freescale Semiconductor Inc. |
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* Copyright 2017-2018 NXP |
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*/ |
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#include <linux/fsl/mc.h> |
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#include "dpseci.h" |
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#include "dpseci_cmd.h" |
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/** |
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* dpseci_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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* @dpseci_id: DPSECI 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 already created |
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* object; an object may have been declared statically in the DPL |
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* or created dynamically. |
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* This function returns a unique authentication token, associated with the |
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* specific object ID and the specific MC portal; this token must be used in all |
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* subsequent commands for 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 dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id, |
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u16 *token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_open *cmd_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_OPEN, |
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cmd_flags, |
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0); |
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cmd_params = (struct dpseci_cmd_open *)cmd.params; |
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cmd_params->dpseci_id = cpu_to_le32(dpseci_id); |
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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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*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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* dpseci_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 DPSECI object |
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* |
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* After this function is called, no further operations are allowed on the |
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* 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 dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE, |
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cmd_flags, |
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token); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_enable() - Enable the DPSECI, 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 DPSECI 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 dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE, |
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cmd_flags, |
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token); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_disable() - Disable the DPSECI, 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 DPSECI 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 dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE, |
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cmd_flags, |
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token); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_reset() - Reset the DPSECI, 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 DPSECI 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 dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET, |
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cmd_flags, |
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token); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_is_enabled() - Check if the DPSECI 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 DPSECI 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 dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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int *en) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_rsp_is_enabled *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED, |
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cmd_flags, |
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token); |
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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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rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params; |
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*en = dpseci_get_field(rsp_params->is_enabled, ENABLE); |
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return 0; |
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} |
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/** |
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* dpseci_get_attributes() - Retrieve DPSECI 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 DPSECI 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 dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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struct dpseci_attr *attr) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_rsp_get_attributes *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR, |
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cmd_flags, |
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token); |
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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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rsp_params = (struct dpseci_rsp_get_attributes *)cmd.params; |
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attr->id = le32_to_cpu(rsp_params->id); |
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attr->num_tx_queues = rsp_params->num_tx_queues; |
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attr->num_rx_queues = rsp_params->num_rx_queues; |
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attr->options = le32_to_cpu(rsp_params->options); |
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return 0; |
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} |
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/** |
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* dpseci_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 DPSECI object |
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* @queue: Select the queue relative to number of priorities configured at |
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* DPSECI creation; use DPSECI_ALL_QUEUES to configure all |
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* Rx queues 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 dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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u8 queue, const struct dpseci_rx_queue_cfg *cfg) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_queue *cmd_params; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE, |
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cmd_flags, |
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token); |
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cmd_params = (struct dpseci_cmd_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->priority = cfg->dest_cfg.priority; |
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cmd_params->queue = queue; |
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dpseci_set_field(cmd_params->dest_type, DEST_TYPE, |
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cfg->dest_cfg.dest_type); |
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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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dpseci_set_field(cmd_params->order_preservation_en, ORDER_PRESERVATION, |
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cfg->order_preservation_en); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_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 DPSECI object |
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* @queue: Select the queue relative to number of priorities configured at |
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* DPSECI 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 dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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u8 queue, struct dpseci_rx_queue_attr *attr) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_queue *cmd_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE, |
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cmd_flags, |
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token); |
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cmd_params = (struct dpseci_cmd_queue *)cmd.params; |
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cmd_params->queue = queue; |
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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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attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id); |
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attr->dest_cfg.priority = cmd_params->priority; |
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attr->dest_cfg.dest_type = dpseci_get_field(cmd_params->dest_type, |
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DEST_TYPE); |
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attr->user_ctx = le64_to_cpu(cmd_params->user_ctx); |
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attr->fqid = le32_to_cpu(cmd_params->fqid); |
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attr->order_preservation_en = |
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dpseci_get_field(cmd_params->order_preservation_en, |
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ORDER_PRESERVATION); |
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return 0; |
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} |
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/** |
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* dpseci_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 DPSECI object |
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* @queue: Select the queue relative to number of priorities configured at |
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* DPSECI 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 dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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u8 queue, struct dpseci_tx_queue_attr *attr) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_queue *cmd_params; |
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struct dpseci_rsp_get_tx_queue *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE, |
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cmd_flags, |
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token); |
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cmd_params = (struct dpseci_cmd_queue *)cmd.params; |
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cmd_params->queue = queue; |
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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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rsp_params = (struct dpseci_rsp_get_tx_queue *)cmd.params; |
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attr->fqid = le32_to_cpu(rsp_params->fqid); |
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attr->priority = rsp_params->priority; |
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return 0; |
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} |
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/** |
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* dpseci_get_sec_attr() - Retrieve SEC accelerator 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 DPSECI object |
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* @attr: Returned SEC 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 dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, |
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struct dpseci_sec_attr *attr) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_rsp_get_sec_attr *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR, |
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cmd_flags, |
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token); |
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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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rsp_params = (struct dpseci_rsp_get_sec_attr *)cmd.params; |
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attr->ip_id = le16_to_cpu(rsp_params->ip_id); |
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attr->major_rev = rsp_params->major_rev; |
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attr->minor_rev = rsp_params->minor_rev; |
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attr->era = rsp_params->era; |
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attr->deco_num = rsp_params->deco_num; |
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attr->zuc_auth_acc_num = rsp_params->zuc_auth_acc_num; |
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attr->zuc_enc_acc_num = rsp_params->zuc_enc_acc_num; |
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attr->snow_f8_acc_num = rsp_params->snow_f8_acc_num; |
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attr->snow_f9_acc_num = rsp_params->snow_f9_acc_num; |
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attr->crc_acc_num = rsp_params->crc_acc_num; |
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attr->pk_acc_num = rsp_params->pk_acc_num; |
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attr->kasumi_acc_num = rsp_params->kasumi_acc_num; |
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attr->rng_acc_num = rsp_params->rng_acc_num; |
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attr->md_acc_num = rsp_params->md_acc_num; |
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attr->arc4_acc_num = rsp_params->arc4_acc_num; |
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attr->des_acc_num = rsp_params->des_acc_num; |
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attr->aes_acc_num = rsp_params->aes_acc_num; |
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attr->ccha_acc_num = rsp_params->ccha_acc_num; |
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attr->ptha_acc_num = rsp_params->ptha_acc_num; |
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return 0; |
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} |
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/** |
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* dpseci_get_api_version() - Get Data Path SEC Interface API version |
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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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* @major_ver: Major version of data path sec API |
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* @minor_ver: Minor version of data path sec API |
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* |
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* Return: '0' on success, error code otherwise |
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*/ |
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int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, |
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u16 *major_ver, u16 *minor_ver) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_rsp_get_api_version *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_API_VERSION, |
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cmd_flags, 0); |
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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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rsp_params = (struct dpseci_rsp_get_api_version *)cmd.params; |
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*major_ver = le16_to_cpu(rsp_params->major); |
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*minor_ver = le16_to_cpu(rsp_params->minor); |
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return 0; |
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} |
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/** |
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* dpseci_set_congestion_notification() - Set congestion group |
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* notification 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 DPSECI object |
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* @cfg: congestion notification 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 dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, |
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u16 token, const struct dpseci_congestion_notification_cfg *cfg) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_congestion_notification *cmd_params; |
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cmd.header = mc_encode_cmd_header( |
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DPSECI_CMDID_SET_CONGESTION_NOTIFICATION, |
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cmd_flags, |
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token); |
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cmd_params = (struct dpseci_cmd_congestion_notification *)cmd.params; |
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cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); |
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cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode); |
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cmd_params->priority = cfg->dest_cfg.priority; |
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dpseci_set_field(cmd_params->options, CGN_DEST_TYPE, |
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cfg->dest_cfg.dest_type); |
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dpseci_set_field(cmd_params->options, CGN_UNITS, cfg->units); |
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cmd_params->message_iova = cpu_to_le64(cfg->message_iova); |
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cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx); |
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cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry); |
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cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit); |
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return mc_send_command(mc_io, &cmd); |
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} |
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/** |
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* dpseci_get_congestion_notification() - Get congestion group notification |
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* 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 DPSECI object |
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* @cfg: congestion notification 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 dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, |
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u16 token, struct dpseci_congestion_notification_cfg *cfg) |
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{ |
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struct fsl_mc_command cmd = { 0 }; |
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struct dpseci_cmd_congestion_notification *rsp_params; |
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int err; |
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cmd.header = mc_encode_cmd_header( |
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DPSECI_CMDID_GET_CONGESTION_NOTIFICATION, |
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cmd_flags, |
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token); |
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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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rsp_params = (struct dpseci_cmd_congestion_notification *)cmd.params; |
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cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); |
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cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode); |
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cfg->dest_cfg.priority = rsp_params->priority; |
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cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->options, |
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CGN_DEST_TYPE); |
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cfg->units = dpseci_get_field(rsp_params->options, CGN_UNITS); |
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cfg->message_iova = le64_to_cpu(rsp_params->message_iova); |
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cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx); |
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cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry); |
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cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit); |
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return 0; |
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}
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