diff options
Diffstat (limited to 'drivers/crypto/caam/dpseci.c')
-rw-r--r-- | drivers/crypto/caam/dpseci.c | 415 |
1 files changed, 413 insertions, 2 deletions
diff --git a/drivers/crypto/caam/dpseci.c b/drivers/crypto/caam/dpseci.c index 8a68531ded0b..65a131be92b4 100644 --- a/drivers/crypto/caam/dpseci.c +++ b/drivers/crypto/caam/dpseci.c @@ -5,6 +5,7 @@ */ #include <linux/fsl/mc.h> +#include <soc/fsl/dpaa2-io.h> #include "dpseci.h" #include "dpseci_cmd.h" @@ -16,8 +17,8 @@ * @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 statically in the DPL - * or created dynamically. + * 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. @@ -67,6 +68,85 @@ int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) } /** + * 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 fsl_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]; + for (i = 0; i < 8; i++) + cmd_params->priorities2[i] = cfg->priorities[8 + 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 fsl_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_' @@ -133,6 +213,217 @@ int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, } /** + * 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 fsl_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 fsl_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 fsl_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 fsl_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 fsl_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 fsl_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 fsl_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_' @@ -322,6 +613,42 @@ int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, } /** + * 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 fsl_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_' @@ -351,6 +678,90 @@ int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, } /** + * 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 fsl_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 fsl_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->flags, OPR_RIP); + qry->enable = dpseci_get_field(rsp_params->flags, 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->hseq_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 |