Add the low-level API that allows to manage DPSECI DPAA2 objects that sit on the Management Complex (MC) fsl-mc bus. The API is compatible with MC firmware 10.2.0+. Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx> --- drivers/crypto/caam/dpseci.c | 858 +++++++++++++++++++++++++++++++++++++++ drivers/crypto/caam/dpseci.h | 395 ++++++++++++++++++ drivers/crypto/caam/dpseci_cmd.h | 261 ++++++++++++ 3 files changed, 1514 insertions(+) create mode 100644 drivers/crypto/caam/dpseci.c create mode 100644 drivers/crypto/caam/dpseci.h create mode 100644 drivers/crypto/caam/dpseci_cmd.h diff --git a/drivers/crypto/caam/dpseci.c b/drivers/crypto/caam/dpseci.c new file mode 100644 index 000000000000..dec05ecbeab1 --- /dev/null +++ b/drivers/crypto/caam/dpseci.c @@ -0,0 +1,858 @@ +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the names of the above-listed copyright holders nor the + * names of any contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "../../../drivers/staging/fsl-mc/include/mc.h" +#include "../../../drivers/staging/fsl-mc/include/dpopr.h" +#include "dpseci.h" +#include "dpseci_cmd.h" + +/** + * dpseci_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_' + * @dpseci_id: DPSECI unique ID + * @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 + * dpseci_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 dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id, + u16 *token) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_open *cmd_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_OPEN, + cmd_flags, + 0); + cmd_params = (struct dpseci_cmd_open *)cmd.params; + cmd_params->dpseci_id = cpu_to_le32(dpseci_id); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *token = mc_cmd_hdr_read_token(&cmd); + + return 0; +} + +/** + * dpseci_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 DPSECI 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 dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) +{ + struct mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE, + cmd_flags, + token); + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_create() - Create the DPSECI object + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @cfg: Configuration structure + * @obj_id: returned object id + * + * Create the DPSECI 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. + * + * The function accepts an authentication token of a parent container that this + * object should be assigned to. The token can be '0' so the object will be + * assigned to the default container. + * The newly created object can be opened with the returned object id and using + * the container's associated tokens and MC portals. + * + * Return: '0' on success, error code otherwise + */ +int dpseci_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + const struct dpseci_cfg *cfg, u32 *obj_id) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_create *cmd_params; + int i, err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CREATE, + cmd_flags, + dprc_token); + cmd_params = (struct dpseci_cmd_create *)cmd.params; + for (i = 0; i < 8; i++) + cmd_params->priorities[i] = cfg->priorities[i]; + cmd_params->num_tx_queues = cfg->num_tx_queues; + cmd_params->num_rx_queues = cfg->num_rx_queues; + cmd_params->options = cpu_to_le32(cfg->options); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *obj_id = mc_cmd_read_object_id(&cmd); + + return 0; +} + +/** + * dpseci_destroy() - Destroy the DPSECI object and release all its resources + * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @object_id: The object id; it must be a valid id within the container that + * created this object + * + * The function accepts the authentication token of the parent container that + * created the object (not the one that currently owns the object). The object + * is searched within parent using the provided 'object_id'. + * All tokens to the object must be closed before calling destroy. + * + * Return: '0' on success, error code otherwise + */ +int dpseci_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + u32 object_id) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_destroy *cmd_params; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DESTROY, + cmd_flags, + dprc_token); + cmd_params = (struct dpseci_cmd_destroy *)cmd.params; + cmd_params->object_id = cpu_to_le32(object_id); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_enable() - Enable the DPSECI, allow sending and receiving frames + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * + * Return: '0' on success, error code otherwise + */ +int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) +{ + struct mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE, + cmd_flags, + token); + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_disable() - Disable the DPSECI, stop sending and receiving frames + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * + * Return: '0' on success, error code otherwise + */ +int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) +{ + struct mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE, + cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_is_enabled() - Check if the DPSECI is enabled. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @en: Returns '1' if object is enabled; '0' otherwise + * + * Return: '0' on success, error code otherwise + */ +int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + int *en) +{ + struct mc_command cmd = { 0 }; + struct dpseci_rsp_is_enabled *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED, + cmd_flags, + token); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params; + *en = le32_to_cpu(rsp_params->is_enabled); + + return 0; +} + +/** + * dpseci_reset() - Reset the DPSECI, returns the object to initial state. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * + * Return: '0' on success, error code otherwise + */ +int dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) +{ + struct mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_RESET, + cmd_flags, + token); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_irq_enable() - Get overall interrupt state + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @en: Returned Interrupt state - enable = 1, disable = 0 + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u8 *en) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_enable *cmd_params; + struct dpseci_rsp_get_irq_enable *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_ENABLE, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_enable *)cmd.params; + cmd_params->irq_index = irq_index; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_irq_enable *)cmd.params; + *en = rsp_params->enable_state; + + return 0; +} + +/** + * dpseci_set_irq_enable() - Set overall interrupt state. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @en: Interrupt state - enable = 1, disable = 0 + * + * Allows GPP software to control when interrupts are generated. + * Each interrupt can have up to 32 causes. The enable/disable control's the + * overall interrupt state. If the interrupt is disabled no causes will cause + * an interrupt. + * + * Return: '0' on success, error code otherwise + */ +int dpseci_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u8 en) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_enable *cmd_params; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_IRQ_ENABLE, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_enable *)cmd.params; + cmd_params->irq_index = irq_index; + cmd_params->enable_state = en; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_irq_mask() - Get interrupt mask. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @mask: Returned event mask to trigger interrupt + * + * Every interrupt can have up to 32 causes and the interrupt model supports + * masking/unmasking each cause independently. + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 *mask) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_mask *cmd_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_MASK, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_mask *)cmd.params; + cmd_params->irq_index = irq_index; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *mask = le32_to_cpu(cmd_params->mask); + + return 0; +} + +/** + * dpseci_set_irq_mask() - Set interrupt mask. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @mask: event mask to trigger interrupt; + * each bit: + * 0 = ignore event + * 1 = consider event for asserting IRQ + * + * Every interrupt can have up to 32 causes and the interrupt model supports + * masking/unmasking each cause independently + * + * Return: '0' on success, error code otherwise + */ +int dpseci_set_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 mask) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_mask *cmd_params; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_IRQ_MASK, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_mask *)cmd.params; + cmd_params->mask = cpu_to_le32(mask); + cmd_params->irq_index = irq_index; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_irq_status() - Get the current status of any pending interrupts + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @status: Returned interrupts status - one bit per cause: + * 0 = no interrupt pending + * 1 = interrupt pending + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 *status) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_status *cmd_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_status *)cmd.params; + cmd_params->status = cpu_to_le32(*status); + cmd_params->irq_index = irq_index; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + *status = le32_to_cpu(cmd_params->status); + + return 0; +} + +/** + * dpseci_clear_irq_status() - Clear a pending interrupt's status + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @irq_index: The interrupt index to configure + * @status: bits to clear (W1C) - one bit per cause: + * 0 = don't change + * 1 = clear status bit + * + * Return: '0' on success, error code otherwise + */ +int dpseci_clear_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 status) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_irq_status *cmd_params; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLEAR_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_irq_status *)cmd.params; + cmd_params->status = cpu_to_le32(status); + cmd_params->irq_index = irq_index; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_attributes() - Retrieve DPSECI attributes + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @attr: Returned object's attributes + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_attr *attr) +{ + struct mc_command cmd = { 0 }; + struct dpseci_rsp_get_attributes *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR, + cmd_flags, + token); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_attributes *)cmd.params; + attr->id = le32_to_cpu(rsp_params->id); + attr->num_tx_queues = rsp_params->num_tx_queues; + attr->num_rx_queues = rsp_params->num_rx_queues; + attr->options = le32_to_cpu(rsp_params->options); + + return 0; +} + +/** + * dpseci_set_rx_queue() - Set Rx queue configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @queue: Select the queue relative to number of priorities configured at + * DPSECI creation; use DPSECI_ALL_QUEUES to configure all + * Rx queues identically. + * @cfg: Rx queue configuration + * + * Return: '0' on success, error code otherwise + */ +int dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, const struct dpseci_rx_queue_cfg *cfg) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_queue *cmd_params; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_queue *)cmd.params; + cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); + cmd_params->priority = cfg->dest_cfg.priority; + cmd_params->queue = queue; + cmd_params->dest_type = cfg->dest_cfg.dest_type; + cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx); + cmd_params->options = cpu_to_le32(cfg->options); + cmd_params->order_preservation_en = + cpu_to_le32(cfg->order_preservation_en); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_rx_queue() - Retrieve Rx queue attributes + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @queue: Select the queue relative to number of priorities configured at + * DPSECI creation + * @attr: Returned Rx queue attributes + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, struct dpseci_rx_queue_attr *attr) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_queue *cmd_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_queue *)cmd.params; + cmd_params->queue = queue; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id); + attr->dest_cfg.priority = cmd_params->priority; + attr->dest_cfg.dest_type = cmd_params->dest_type; + attr->user_ctx = le64_to_cpu(cmd_params->user_ctx); + attr->fqid = le32_to_cpu(cmd_params->fqid); + attr->order_preservation_en = + le32_to_cpu(cmd_params->order_preservation_en); + + return 0; +} + +/** + * dpseci_get_tx_queue() - Retrieve Tx queue attributes + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @queue: Select the queue relative to number of priorities configured at + * DPSECI creation + * @attr: Returned Tx queue attributes + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, struct dpseci_tx_queue_attr *attr) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_queue *cmd_params; + struct dpseci_rsp_get_tx_queue *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_queue *)cmd.params; + cmd_params->queue = queue; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_tx_queue *)cmd.params; + attr->fqid = le32_to_cpu(rsp_params->fqid); + attr->priority = rsp_params->priority; + + return 0; +} + +/** + * dpseci_get_sec_attr() - Retrieve SEC accelerator attributes + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @attr: Returned SEC attributes + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_sec_attr *attr) +{ + struct mc_command cmd = { 0 }; + struct dpseci_rsp_get_sec_attr *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR, + cmd_flags, + token); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_sec_attr *)cmd.params; + attr->ip_id = le16_to_cpu(rsp_params->ip_id); + attr->major_rev = rsp_params->major_rev; + attr->minor_rev = rsp_params->minor_rev; + attr->era = rsp_params->era; + attr->deco_num = rsp_params->deco_num; + attr->zuc_auth_acc_num = rsp_params->zuc_auth_acc_num; + attr->zuc_enc_acc_num = rsp_params->zuc_enc_acc_num; + attr->snow_f8_acc_num = rsp_params->snow_f8_acc_num; + attr->snow_f9_acc_num = rsp_params->snow_f9_acc_num; + attr->crc_acc_num = rsp_params->crc_acc_num; + attr->pk_acc_num = rsp_params->pk_acc_num; + attr->kasumi_acc_num = rsp_params->kasumi_acc_num; + attr->rng_acc_num = rsp_params->rng_acc_num; + attr->md_acc_num = rsp_params->md_acc_num; + attr->arc4_acc_num = rsp_params->arc4_acc_num; + attr->des_acc_num = rsp_params->des_acc_num; + attr->aes_acc_num = rsp_params->aes_acc_num; + + return 0; +} + +/** + * dpseci_get_sec_counters() - Retrieve SEC accelerator counters + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @counters: Returned SEC counters + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_sec_counters(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_sec_counters *counters) +{ + struct mc_command cmd = { 0 }; + struct dpseci_rsp_get_sec_counters *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_COUNTERS, + cmd_flags, + token); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_sec_counters *)cmd.params; + counters->dequeued_requests = + le64_to_cpu(rsp_params->dequeued_requests); + counters->ob_enc_requests = le64_to_cpu(rsp_params->ob_enc_requests); + counters->ib_dec_requests = le64_to_cpu(rsp_params->ib_dec_requests); + counters->ob_enc_bytes = le64_to_cpu(rsp_params->ob_enc_bytes); + counters->ob_prot_bytes = le64_to_cpu(rsp_params->ob_prot_bytes); + counters->ib_dec_bytes = le64_to_cpu(rsp_params->ib_dec_bytes); + counters->ib_valid_bytes = le64_to_cpu(rsp_params->ib_valid_bytes); + + return 0; +} + +/** + * dpseci_get_api_version() - Get Data Path SEC Interface 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 sec API + * @minor_ver: Minor version of data path sec API + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 *major_ver, u16 *minor_ver) +{ + struct mc_command cmd = { 0 }; + struct dpseci_rsp_get_api_version *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_API_VERSION, + cmd_flags, 0); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); + + return 0; +} + +/** + * dpseci_set_opr() - Set Order Restoration configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @index: The queue index + * @options: Configuration mode options; can be OPR_OPT_CREATE or + * OPR_OPT_RETIRE + * @cfg: Configuration options for the OPR + * + * Return: '0' on success, error code otherwise + */ +int dpseci_set_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index, + u8 options, struct opr_cfg *cfg) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_opr *cmd_params; + + cmd.header = mc_encode_cmd_header( + DPSECI_CMDID_SET_OPR, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_opr *)cmd.params; + cmd_params->index = index; + cmd_params->options = options; + cmd_params->oloe = cfg->oloe; + cmd_params->oeane = cfg->oeane; + cmd_params->olws = cfg->olws; + cmd_params->oa = cfg->oa; + cmd_params->oprrws = cfg->oprrws; + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_opr() - Retrieve Order Restoration config and query + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @index: The queue index + * @cfg: Returned OPR configuration + * @qry: Returned OPR query + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index, + struct opr_cfg *cfg, struct opr_qry *qry) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_opr *cmd_params; + struct dpseci_rsp_get_opr *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_OPR, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_opr *)cmd.params; + cmd_params->index = index; + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_rsp_get_opr *)cmd.params; + qry->rip = dpseci_get_field(rsp_params->rip_enable, OPR_RIP); + qry->enable = dpseci_get_field(rsp_params->rip_enable, OPR_ENABLE); + cfg->oloe = rsp_params->oloe; + cfg->oeane = rsp_params->oeane; + cfg->olws = rsp_params->olws; + cfg->oa = rsp_params->oa; + cfg->oprrws = rsp_params->oprrws; + qry->nesn = le16_to_cpu(rsp_params->nesn); + qry->ndsn = le16_to_cpu(rsp_params->ndsn); + qry->ea_tseq = le16_to_cpu(rsp_params->ea_tseq); + qry->tseq_nlis = dpseci_get_field(rsp_params->tseq_nlis, OPR_TSEQ_NLIS); + qry->ea_hseq = le16_to_cpu(rsp_params->ea_hseq); + qry->hseq_nlis = dpseci_get_field(rsp_params->tseq_nlis, OPR_HSEQ_NLIS); + qry->ea_hptr = le16_to_cpu(rsp_params->ea_hptr); + qry->ea_tptr = le16_to_cpu(rsp_params->ea_tptr); + qry->opr_vid = le16_to_cpu(rsp_params->opr_vid); + qry->opr_id = le16_to_cpu(rsp_params->opr_id); + + return 0; +} + +/** + * dpseci_set_congestion_notification() - Set congestion group + * notification configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @cfg: congestion notification configuration + * + * Return: '0' on success, error code otherwise + */ +int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 token, const struct dpseci_congestion_notification_cfg *cfg) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_congestion_notification *cmd_params; + + cmd.header = mc_encode_cmd_header( + DPSECI_CMDID_SET_CONGESTION_NOTIFICATION, + cmd_flags, + token); + cmd_params = (struct dpseci_cmd_congestion_notification *)cmd.params; + cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); + cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode); + cmd_params->priority = cfg->dest_cfg.priority; + dpseci_set_field(cmd_params->options, CGN_DEST_TYPE, + cfg->dest_cfg.dest_type); + dpseci_set_field(cmd_params->options, CGN_UNITS, cfg->units); + cmd_params->message_iova = cpu_to_le64(cfg->message_iova); + cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx); + cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry); + cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit); + + return mc_send_command(mc_io, &cmd); +} + +/** + * dpseci_get_congestion_notification() - Get congestion group notification + * configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPSECI object + * @cfg: congestion notification configuration + * + * Return: '0' on success, error code otherwise + */ +int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 token, struct dpseci_congestion_notification_cfg *cfg) +{ + struct mc_command cmd = { 0 }; + struct dpseci_cmd_congestion_notification *rsp_params; + int err; + + cmd.header = mc_encode_cmd_header( + DPSECI_CMDID_GET_CONGESTION_NOTIFICATION, + cmd_flags, + token); + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpseci_cmd_congestion_notification *)cmd.params; + cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); + cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode); + cfg->dest_cfg.priority = rsp_params->priority; + cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->options, + CGN_DEST_TYPE); + cfg->units = dpseci_get_field(rsp_params->options, CGN_UNITS); + cfg->message_iova = le64_to_cpu(rsp_params->message_iova); + cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx); + cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry); + cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit); + + return 0; +} diff --git a/drivers/crypto/caam/dpseci.h b/drivers/crypto/caam/dpseci.h new file mode 100644 index 000000000000..d37489c6842c --- /dev/null +++ b/drivers/crypto/caam/dpseci.h @@ -0,0 +1,395 @@ +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the names of the above-listed copyright holders nor the + * names of any contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _DPSECI_H_ +#define _DPSECI_H_ + +/* + * Data Path SEC Interface API + * Contains initialization APIs and runtime control APIs for DPSECI + */ + +struct fsl_mc_io; +struct opr_cfg; +struct opr_qry; + +/** + * General DPSECI macros + */ + +/** + * Maximum number of Tx/Rx priorities per DPSECI object + */ +#define DPSECI_PRIO_NUM 8 + +/** + * All queues considered; see dpseci_set_rx_queue() + */ +#define DPSECI_ALL_QUEUES (u8)(-1) + +int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id, + u16 *token); + +int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); + +/** + * Enable the Congestion Group support + */ +#define DPSECI_OPT_HAS_CG 0x000020 + +/** + * Enable the Order Restoration support + */ +#define DPSECI_OPT_HAS_OPR 0x000040 + +/** + * Order Point Records are shared for the entire DPSECI + */ +#define DPSECI_OPT_OPR_SHARED 0x000080 + +/** + * struct dpseci_cfg - Structure representing DPSECI configuration + * @options: Any combination of the following options: + * DPSECI_OPT_HAS_CG + * DPSECI_OPT_HAS_OPR + * DPSECI_OPT_OPR_SHARED + * @num_tx_queues: num of queues towards the SEC + * @num_rx_queues: num of queues back from the SEC + * @priorities: Priorities for the SEC hardware processing; + * each place in the array is the priority of the tx queue + * towards the SEC; + * valid priorities are configured with values 1-8; + */ +struct dpseci_cfg { + u32 options; + u8 num_tx_queues; + u8 num_rx_queues; + u8 priorities[DPSECI_PRIO_NUM]; +}; + +int dpseci_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + const struct dpseci_cfg *cfg, u32 *obj_id); + +int dpseci_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags, + u32 object_id); + +int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); + +int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); + +int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + int *en); + +int dpseci_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); + +int dpseci_get_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u8 *en); + +int dpseci_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u8 en); + +int dpseci_get_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 *mask); + +int dpseci_set_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 mask); + +int dpseci_get_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 *status); + +int dpseci_clear_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 irq_index, u32 status); + +/** + * struct dpseci_attr - Structure representing DPSECI attributes + * @id: DPSECI object ID + * @num_tx_queues: number of queues towards the SEC + * @num_rx_queues: number of queues back from the SEC + * @options: any combination of the following options: + * DPSECI_OPT_HAS_CG + * DPSECI_OPT_HAS_OPR + * DPSECI_OPT_OPR_SHARED + */ +struct dpseci_attr { + int id; + u8 num_tx_queues; + u8 num_rx_queues; + u32 options; +}; + +int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_attr *attr); + +/** + * enum dpseci_dest - DPSECI destination types + * @DPSECI_DEST_NONE: Unassigned destination; The queue is set in parked mode + * and does not generate FQDAN notifications; user is expected to dequeue + * from the queue based on polling or other user-defined method + * @DPSECI_DEST_DPIO: The queue is set in schedule mode and generates FQDAN + * notifications to the specified DPIO; user is expected to dequeue from + * the queue only after notification is received + * @DPSECI_DEST_DPCON: The queue is set in schedule mode and does not generate + * FQDAN notifications, but is connected to the specified DPCON object; + * user is expected to dequeue from the DPCON channel + */ +enum dpseci_dest { + DPSECI_DEST_NONE = 0, + DPSECI_DEST_DPIO, + DPSECI_DEST_DPCON +}; + +/** + * struct dpseci_dest_cfg - Structure representing DPSECI destination parameters + * @dest_type: Destination type + * @dest_id: Either DPIO ID or DPCON ID, depending on the destination type + * @priority: Priority selection within the DPIO or DPCON channel; valid values + * are 0-1 or 0-7, depending on the number of priorities in that channel; + * not relevant for 'DPSECI_DEST_NONE' option + */ +struct dpseci_dest_cfg { + enum dpseci_dest dest_type; + int dest_id; + u8 priority; +}; + +/** + * DPSECI queue modification options + */ + +/** + * Select to modify the user's context associated with the queue + */ +#define DPSECI_QUEUE_OPT_USER_CTX 0x00000001 + +/** + * Select to modify the queue's destination + */ +#define DPSECI_QUEUE_OPT_DEST 0x00000002 + +/** + * Select to modify the queue's order preservation + */ +#define DPSECI_QUEUE_OPT_ORDER_PRESERVATION 0x00000004 + +/** + * struct dpseci_rx_queue_cfg - DPSECI RX queue configuration + * @options: Flags representing the suggested modifications to the queue; + * Use any combination of 'DPSECI_QUEUE_OPT_<X>' flags + * @order_preservation_en: order preservation configuration for the rx queue + * valid only if 'DPSECI_QUEUE_OPT_ORDER_PRESERVATION' is contained in 'options' + * @user_ctx: User context value provided in the frame descriptor of each + * dequeued frame; valid only if 'DPSECI_QUEUE_OPT_USER_CTX' is contained + * in 'options' + * @dest_cfg: Queue destination parameters; valid only if + * 'DPSECI_QUEUE_OPT_DEST' is contained in 'options' + */ +struct dpseci_rx_queue_cfg { + u32 options; + int order_preservation_en; + u64 user_ctx; + struct dpseci_dest_cfg dest_cfg; +}; + +int dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, const struct dpseci_rx_queue_cfg *cfg); + +/** + * struct dpseci_rx_queue_attr - Structure representing attributes of Rx queues + * @user_ctx: User context value provided in the frame descriptor of each + * dequeued frame + * @order_preservation_en: Status of the order preservation configuration on the + * queue + * @dest_cfg: Queue destination configuration + * @fqid: Virtual FQID value to be used for dequeue operations + */ +struct dpseci_rx_queue_attr { + u64 user_ctx; + int order_preservation_en; + struct dpseci_dest_cfg dest_cfg; + u32 fqid; +}; + +int dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, struct dpseci_rx_queue_attr *attr); + +/** + * struct dpseci_tx_queue_attr - Structure representing attributes of Tx queues + * @fqid: Virtual FQID to be used for sending frames to SEC hardware + * @priority: SEC hardware processing priority for the queue + */ +struct dpseci_tx_queue_attr { + u32 fqid; + u8 priority; +}; + +int dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + u8 queue, struct dpseci_tx_queue_attr *attr); + +/** + * struct dpseci_sec_attr - Structure representing attributes of the SEC + * hardware accelerator + * @ip_id: ID for SEC + * @major_rev: Major revision number for SEC + * @minor_rev: Minor revision number for SEC + * @era: SEC Era + * @deco_num: The number of copies of the DECO that are implemented in this + * version of SEC + * @zuc_auth_acc_num: The number of copies of ZUCA that are implemented in this + * version of SEC + * @zuc_enc_acc_num: The number of copies of ZUCE that are implemented in this + * version of SEC + * @snow_f8_acc_num: The number of copies of the SNOW-f8 module that are + * implemented in this version of SEC + * @snow_f9_acc_num: The number of copies of the SNOW-f9 module that are + * implemented in this version of SEC + * @crc_acc_num: The number of copies of the CRC module that are implemented in + * this version of SEC + * @pk_acc_num: The number of copies of the Public Key module that are + * implemented in this version of SEC + * @kasumi_acc_num: The number of copies of the Kasumi module that are + * implemented in this version of SEC + * @rng_acc_num: The number of copies of the Random Number Generator that are + * implemented in this version of SEC + * @md_acc_num: The number of copies of the MDHA (Hashing module) that are + * implemented in this version of SEC + * @arc4_acc_num: The number of copies of the ARC4 module that are implemented + * in this version of SEC + * @des_acc_num: The number of copies of the DES module that are implemented in + * this version of SEC + * @aes_acc_num: The number of copies of the AES module that are implemented in + * this version of SEC + **/ +struct dpseci_sec_attr { + u16 ip_id; + u8 major_rev; + u8 minor_rev; + u8 era; + u8 deco_num; + u8 zuc_auth_acc_num; + u8 zuc_enc_acc_num; + u8 snow_f8_acc_num; + u8 snow_f9_acc_num; + u8 crc_acc_num; + u8 pk_acc_num; + u8 kasumi_acc_num; + u8 rng_acc_num; + u8 md_acc_num; + u8 arc4_acc_num; + u8 des_acc_num; + u8 aes_acc_num; +}; + +int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_sec_attr *attr); + +/** + * struct dpseci_sec_counters - Structure representing global SEC counters and + * not per dpseci counters + * @dequeued_requests: Number of Requests Dequeued + * @ob_enc_requests: Number of Outbound Encrypt Requests + * @ib_dec_requests: Number of Inbound Decrypt Requests + * @ob_enc_bytes: Number of Outbound Bytes Encrypted + * @ob_prot_bytes: Number of Outbound Bytes Protected + * @ib_dec_bytes: Number of Inbound Bytes Decrypted + * @ib_valid_bytes: Number of Inbound Bytes Validated + */ +struct dpseci_sec_counters { + u64 dequeued_requests; + u64 ob_enc_requests; + u64 ib_dec_requests; + u64 ob_enc_bytes; + u64 ob_prot_bytes; + u64 ib_dec_bytes; + u64 ib_valid_bytes; +}; + +int dpseci_get_sec_counters(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + struct dpseci_sec_counters *counters); + +int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 *major_ver, u16 *minor_ver); + +int dpseci_set_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index, + u8 options, struct opr_cfg *cfg); + +int dpseci_get_opr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 index, + struct opr_cfg *cfg, struct opr_qry *qry); + +/** + * enum dpseci_congestion_unit - DPSECI congestion units + * @DPSECI_CONGESTION_UNIT_BYTES: bytes units + * @DPSECI_CONGESTION_UNIT_FRAMES: frames units + */ +enum dpseci_congestion_unit { + DPSECI_CONGESTION_UNIT_BYTES = 0, + DPSECI_CONGESTION_UNIT_FRAMES +}; + +#define DPSECI_CGN_MODE_WRITE_MEM_ON_ENTER 0x00000001 +#define DPSECI_CGN_MODE_WRITE_MEM_ON_EXIT 0x00000002 +#define DPSECI_CGN_MODE_COHERENT_WRITE 0x00000004 +#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_ENTER 0x00000008 +#define DPSECI_CGN_MODE_NOTIFY_DEST_ON_EXIT 0x00000010 +#define DPSECI_CGN_MODE_INTR_COALESCING_DISABLED 0x00000020 + +/** + * struct dpseci_congestion_notification_cfg - congestion notification + * configuration + * @units: units type + * @threshold_entry: above this threshold we enter a congestion state. + * set it to '0' to disable it + * @threshold_exit: below this threshold we exit the congestion state. + * @message_ctx: The context that will be part of the CSCN message + * @message_iova: I/O virtual address (must be in DMA-able memory), + * must be 16B aligned; + * @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel + * @notification_mode: Mask of available options; use 'DPSECI_CGN_MODE_<X>' + * values + */ +struct dpseci_congestion_notification_cfg { + enum dpseci_congestion_unit units; + u32 threshold_entry; + u32 threshold_exit; + u64 message_ctx; + u64 message_iova; + struct dpseci_dest_cfg dest_cfg; + u16 notification_mode; +}; + +int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 token, const struct dpseci_congestion_notification_cfg *cfg); + +int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, + u16 token, struct dpseci_congestion_notification_cfg *cfg); + +#endif /* _DPSECI_H_ */ diff --git a/drivers/crypto/caam/dpseci_cmd.h b/drivers/crypto/caam/dpseci_cmd.h new file mode 100644 index 000000000000..7624315e986f --- /dev/null +++ b/drivers/crypto/caam/dpseci_cmd.h @@ -0,0 +1,261 @@ +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2017 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the names of the above-listed copyright holders nor the + * names of any contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _DPSECI_CMD_H_ +#define _DPSECI_CMD_H_ + +/* DPSECI Version */ +#define DPSECI_VER_MAJOR 5 +#define DPSECI_VER_MINOR 1 + +#define DPSECI_VER(maj, min) (((maj) << 16) | (min)) +#define DPSECI_VERSION DPSECI_VER(DPSECI_VER_MAJOR, DPSECI_VER_MINOR) + +/* Command IDs */ + +#define DPSECI_CMDID_CLOSE 0x8001 +#define DPSECI_CMDID_OPEN 0x8091 +#define DPSECI_CMDID_CREATE 0x9092 +#define DPSECI_CMDID_DESTROY 0x9891 +#define DPSECI_CMDID_GET_API_VERSION 0xa091 + +#define DPSECI_CMDID_ENABLE 0x0021 +#define DPSECI_CMDID_DISABLE 0x0031 +#define DPSECI_CMDID_GET_ATTR 0x0041 +#define DPSECI_CMDID_RESET 0x0051 +#define DPSECI_CMDID_IS_ENABLED 0x0061 + +#define DPSECI_CMDID_SET_IRQ_ENABLE 0x0121 +#define DPSECI_CMDID_GET_IRQ_ENABLE 0x0131 +#define DPSECI_CMDID_SET_IRQ_MASK 0x0141 +#define DPSECI_CMDID_GET_IRQ_MASK 0x0151 +#define DPSECI_CMDID_GET_IRQ_STATUS 0x0161 +#define DPSECI_CMDID_CLEAR_IRQ_STATUS 0x0171 + +#define DPSECI_CMDID_SET_RX_QUEUE 0x1941 +#define DPSECI_CMDID_GET_RX_QUEUE 0x1961 +#define DPSECI_CMDID_GET_TX_QUEUE 0x1971 +#define DPSECI_CMDID_GET_SEC_ATTR 0x1981 +#define DPSECI_CMDID_GET_SEC_COUNTERS 0x1991 +#define DPSECI_CMDID_SET_OPR 0x19A1 +#define DPSECI_CMDID_GET_OPR 0x19B1 + +#define DPSECI_CMDID_SET_CONGESTION_NOTIFICATION 0x1701 +#define DPSECI_CMDID_GET_CONGESTION_NOTIFICATION 0x1711 + +/* Macros for accessing command fields smaller than 1 byte */ +#define DPSECI_MASK(field) \ + GENMASK(DPSECI_##field##_SHIFT + DPSECI_##field##_SIZE - 1, \ + DPSECI_##field##_SHIFT) + +#define dpseci_set_field(var, field, val) \ + ((var) |= (((val) << DPSECI_##field##_SHIFT) & DPSECI_MASK(field))) + +#define dpseci_get_field(var, field) \ + (((var) & DPSECI_MASK(field)) >> DPSECI_##field##_SHIFT) + +struct dpseci_cmd_open { + __le32 dpseci_id; +}; + +struct dpseci_cmd_create { + u8 priorities[8]; + u8 num_tx_queues; + u8 num_rx_queues; + __le16 pad; + __le32 options; +}; + +struct dpseci_cmd_destroy { + __le32 object_id; +}; + +struct dpseci_rsp_is_enabled { + __le32 is_enabled; +}; + +struct dpseci_cmd_irq_enable { + u8 enable_state; + u8 pad[3]; + u8 irq_index; +}; + +struct dpseci_rsp_get_irq_enable { + u8 enable_state; +}; + +struct dpseci_cmd_irq_mask { + __le32 mask; + u8 irq_index; +}; + +struct dpseci_cmd_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dpseci_rsp_get_attributes { + __le32 id; + __le32 pad0; + u8 num_tx_queues; + u8 num_rx_queues; + u8 pad1[6]; + __le32 options; +}; + +struct dpseci_cmd_queue { + __le32 dest_id; + u8 priority; + u8 queue; + u8 dest_type; + u8 pad; + __le64 user_ctx; + union { + __le32 options; + __le32 fqid; + }; + __le32 order_preservation_en; +}; + +struct dpseci_rsp_get_tx_queue { + __le32 pad; + __le32 fqid; + u8 priority; +}; + +struct dpseci_rsp_get_sec_attr { + __le16 ip_id; + u8 major_rev; + u8 minor_rev; + u8 era; + u8 pad0[3]; + u8 deco_num; + u8 zuc_auth_acc_num; + u8 zuc_enc_acc_num; + u8 pad1; + u8 snow_f8_acc_num; + u8 snow_f9_acc_num; + u8 crc_acc_num; + u8 pad2; + u8 pk_acc_num; + u8 kasumi_acc_num; + u8 rng_acc_num; + u8 pad3; + u8 md_acc_num; + u8 arc4_acc_num; + u8 des_acc_num; + u8 aes_acc_num; +}; + +struct dpseci_rsp_get_sec_counters { + __le64 dequeued_requests; + __le64 ob_enc_requests; + __le64 ib_dec_requests; + __le64 ob_enc_bytes; + __le64 ob_prot_bytes; + __le64 ib_dec_bytes; + __le64 ib_valid_bytes; +}; + +struct dpseci_rsp_get_api_version { + __le16 major; + __le16 minor; +}; + +struct dpseci_cmd_opr { + __le16 pad; + u8 index; + u8 options; + u8 pad1[7]; + u8 oloe; + u8 oeane; + u8 olws; + u8 oa; + u8 oprrws; +}; + +#define DPSECI_OPR_RIP_SHIFT 0 +#define DPSECI_OPR_RIP_SIZE 1 +#define DPSECI_OPR_ENABLE_SHIFT 1 +#define DPSECI_OPR_ENABLE_SIZE 1 +#define DPSECI_OPR_TSEQ_NLIS_SHIFT 1 +#define DPSECI_OPR_TSEQ_NLIS_SIZE 1 +#define DPSECI_OPR_HSEQ_NLIS_SHIFT 1 +#define DPSECI_OPR_HSEQ_NLIS_SIZE 1 + +struct dpseci_rsp_get_opr { + __le64 pad; + u8 rip_enable; + u8 pad0[2]; + u8 oloe; + u8 oeane; + u8 olws; + u8 oa; + u8 oprrws; + __le16 nesn; + __le16 pad1; + __le16 ndsn; + __le16 pad2; + __le16 ea_tseq; + u8 tseq_nlis; + u8 pad3; + __le16 ea_hseq; + u8 hseq_nlis; + u8 pad4; + __le16 ea_hptr; + __le16 pad5; + __le16 ea_tptr; + __le16 pad6; + __le16 opr_vid; + __le16 pad7; + __le16 opr_id; +}; + +#define DPSECI_CGN_DEST_TYPE_SHIFT 0 +#define DPSECI_CGN_DEST_TYPE_SIZE 4 +#define DPSECI_CGN_UNITS_SHIFT 4 +#define DPSECI_CGN_UNITS_SIZE 2 + +struct dpseci_cmd_congestion_notification { + __le32 dest_id; + __le16 notification_mode; + u8 priority; + u8 options; + __le64 message_iova; + __le64 message_ctx; + __le32 threshold_entry; + __le32 threshold_exit; +}; + +#endif /* _DPSECI_CMD_H_ */ -- 2.12.0.264.gd6db3f216544 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel