| Message ID | 20250407-imx-se-if-v15-6-e3382cecda01@nxp.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | firmware: imx: driver for NXP secure-enclave | expand |
On Mon, Apr 07, 2025 at 09:50:22PM +0530, Pankaj Gupta wrote: > Add priv_dev_ctx to prepare enabling misc-device context > based send-receive path, to communicate with FW. Nit: please wrap at 75 char. > > No functionality change. > > Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com> > Reviewed-by: Frank Li <Frank.Li@nxp.com> > > --- > Changes from v14 to v15: > - removed the se_intance_id structure member variable. > - Added dev_ctx to the structure se_clbk_handle, too. > - Collected Frank's R-b tag. > > Note: copied the change logs for v13 to v14, to cover letter. > --- > drivers/firmware/imx/ele_base_msg.c | 10 ++++----- > drivers/firmware/imx/ele_common.c | 43 +++++++++++++++++++++++-------------- > drivers/firmware/imx/ele_common.h | 6 +++--- > drivers/firmware/imx/se_ctrl.c | 29 +++++++++++++++++++++++++ > drivers/firmware/imx/se_ctrl.h | 9 ++++++++ > 5 files changed, 73 insertions(+), 24 deletions(-) > > diff --git a/drivers/firmware/imx/ele_base_msg.c b/drivers/firmware/imx/ele_base_msg.c > index c843a5508a9e..9227d083abbb 100644 > --- a/drivers/firmware/imx/ele_base_msg.c > +++ b/drivers/firmware/imx/ele_base_msg.c > @@ -62,7 +62,7 @@ int ele_get_info(struct se_if_priv *priv, struct ele_dev_info *s_info) > tx_msg->data[0] = upper_32_bits(get_info_addr); > tx_msg->data[1] = lower_32_bits(get_info_addr); > tx_msg->data[2] = sizeof(*s_info); > - ret = ele_msg_send_rcv(priv, > + ret = ele_msg_send_rcv(priv->priv_dev_ctx, > tx_msg, > ELE_GET_INFO_REQ_MSG_SZ, > rx_msg, > @@ -122,7 +122,7 @@ int ele_ping(struct se_if_priv *priv) > return ret; > } > > - ret = ele_msg_send_rcv(priv, > + ret = ele_msg_send_rcv(priv->priv_dev_ctx, > tx_msg, > ELE_PING_REQ_SZ, > rx_msg, > @@ -174,7 +174,7 @@ int ele_service_swap(struct se_if_priv *priv, > if (!tx_msg->data[4]) > return -EINVAL; > > - ret = ele_msg_send_rcv(priv, > + ret = ele_msg_send_rcv(priv->priv_dev_ctx, > tx_msg, > ELE_SERVICE_SWAP_REQ_MSG_SZ, > rx_msg, > @@ -227,7 +227,7 @@ int ele_fw_authenticate(struct se_if_priv *priv, phys_addr_t addr) > tx_msg->data[0] = lower_32_bits(addr); > tx_msg->data[2] = addr; > > - ret = ele_msg_send_rcv(priv, > + ret = ele_msg_send_rcv(priv->priv_dev_ctx, > tx_msg, > ELE_FW_AUTH_REQ_SZ, > rx_msg, > @@ -275,7 +275,7 @@ int ele_debug_dump(struct se_if_priv *priv) > do { > memset(rx_msg, 0x0, ELE_DEBUG_DUMP_RSP_SZ); > > - ret = ele_msg_send_rcv(priv, > + ret = ele_msg_send_rcv(priv->priv_dev_ctx, > tx_msg, > ELE_DEBUG_DUMP_REQ_SZ, > rx_msg, > diff --git a/drivers/firmware/imx/ele_common.c b/drivers/firmware/imx/ele_common.c > index 7573603cdbec..baf83f03c1a0 100644 > --- a/drivers/firmware/imx/ele_common.c > +++ b/drivers/firmware/imx/ele_common.c > @@ -42,7 +42,7 @@ u32 se_get_msg_chksum(u32 *msg, u32 msg_len) > return chksum; > } > > -int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) > +int ele_msg_rcv(struct se_if_device_ctx *dev_ctx, struct se_clbk_handle *se_clbk_hdl) > { > unsigned long timeout; > int ret; > @@ -52,8 +52,8 @@ int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) > > ret = wait_for_completion_interruptible_timeout(&se_clbk_hdl->done, timeout); > if (ret == -ERESTARTSYS) { > - if (priv->waiting_rsp_clbk_hdl.rx_msg) { > - priv->waiting_rsp_clbk_hdl.signal_rcvd = true; > + if (dev_ctx->priv->waiting_rsp_clbk_hdl.dev_ctx) { > + dev_ctx->priv->waiting_rsp_clbk_hdl.signal_rcvd = true; > continue; > } > ret = -EINTR; > @@ -66,7 +66,7 @@ int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) > return ret; > } > > -int ele_msg_send(struct se_if_priv *priv, > +int ele_msg_send(struct se_if_device_ctx *dev_ctx, > void *tx_msg, > int tx_msg_sz) > { > @@ -78,16 +78,19 @@ int ele_msg_send(struct se_if_priv *priv, > * carried in the message. > */ > if (header->size << 2 != tx_msg_sz) { > - dev_err(priv->dev, > - "User buf hdr: 0x%x, sz mismatced with input-sz (%d != %d).", > + dev_err(dev_ctx->priv->dev, > + "%s: User buf hdr: 0x%x, sz mismatced with input-sz (%d != %d).", > + dev_ctx->devname, > *(u32 *)header, > header->size << 2, tx_msg_sz); > return -EINVAL; > } > > - err = mbox_send_message(priv->tx_chan, tx_msg); > + err = mbox_send_message(dev_ctx->priv->tx_chan, tx_msg); > if (err < 0) { > - dev_err(priv->dev, "Error: mbox_send_message failure.\n"); > + dev_err(dev_ctx->priv->dev, > + "%s: Error: mbox_send_message failure.", > + dev_ctx->devname); > return err; > } > > @@ -95,31 +98,35 @@ int ele_msg_send(struct se_if_priv *priv, > } > > /* API used for send/receive blocking call. */ > -int ele_msg_send_rcv(struct se_if_priv *priv, > +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, > void *tx_msg, > int tx_msg_sz, > void *rx_msg, > int exp_rx_msg_sz) > { > + struct se_if_priv *priv = dev_ctx->priv; > int err; > > guard(mutex)(&priv->se_if_cmd_lock); > > + priv->waiting_rsp_clbk_hdl.dev_ctx = dev_ctx; > priv->waiting_rsp_clbk_hdl.rx_msg_sz = exp_rx_msg_sz; > priv->waiting_rsp_clbk_hdl.rx_msg = rx_msg; > > - err = ele_msg_send(priv, tx_msg, tx_msg_sz); > + err = ele_msg_send(dev_ctx, tx_msg, tx_msg_sz); > if (err < 0) > return err; > > - err = ele_msg_rcv(priv, &priv->waiting_rsp_clbk_hdl); > + err = ele_msg_rcv(dev_ctx, &priv->waiting_rsp_clbk_hdl); > > if (priv->waiting_rsp_clbk_hdl.signal_rcvd) { > err = -EINTR; > priv->waiting_rsp_clbk_hdl.signal_rcvd = false; > dev_err(priv->dev, > - "Err[0x%x]:Interrupted by signal.\n", err); > + "%s: Err[0x%x]:Interrupted by signal.\n", > + dev_ctx->devname, err); > } > + priv->waiting_rsp_clbk_hdl.dev_ctx = NULL; > > return err; > } > @@ -166,7 +173,8 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) > if (header->tag == priv->if_defs->cmd_tag) { > se_clbk_hdl = &priv->cmd_receiver_clbk_hdl; > dev_dbg(dev, > - "Selecting cmd receiver for mesg header:0x%x.", > + "Selecting cmd receiver:%s for mesg header:0x%x.", > + se_clbk_hdl->dev_ctx->devname, > *(u32 *)header); > > /* > @@ -176,7 +184,8 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) > */ > if (rx_msg_sz > MAX_NVM_MSG_LEN) { > dev_err(dev, > - "CMD-RCVER NVM: hdr(0x%x) with different sz(%d != %d).\n", > + "%s: CMD-RCVER NVM: hdr(0x%x) with different sz(%d != %d).\n", > + se_clbk_hdl->dev_ctx->devname, > *(u32 *)header, > rx_msg_sz, se_clbk_hdl->rx_msg_sz); > > @@ -187,13 +196,15 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) > } else if (header->tag == priv->if_defs->rsp_tag) { > se_clbk_hdl = &priv->waiting_rsp_clbk_hdl; > dev_dbg(dev, > - "Selecting resp waiter for mesg header:0x%x.", > + "Selecting resp waiter:%s for mesg header:0x%x.", > + se_clbk_hdl->dev_ctx->devname, > *(u32 *)header); > > if (rx_msg_sz != se_clbk_hdl->rx_msg_sz && > check_hdr_exception_for_sz(priv, header)) { > dev_err(dev, > - "Rsp to CMD: hdr(0x%x) with different sz(%d != %d).\n", > + "%s: Rsp to CMD: hdr(0x%x) with different sz(%d != %d).\n", > + se_clbk_hdl->dev_ctx->devname, > *(u32 *)header, > rx_msg_sz, se_clbk_hdl->rx_msg_sz); > > diff --git a/drivers/firmware/imx/ele_common.h b/drivers/firmware/imx/ele_common.h > index cba2c7854455..62c75e149d95 100644 > --- a/drivers/firmware/imx/ele_common.h > +++ b/drivers/firmware/imx/ele_common.h > @@ -13,12 +13,12 @@ > #define IMX_ELE_FW_DIR "imx/ele/" > > u32 se_get_msg_chksum(u32 *msg, u32 msg_len); > -int ele_msg_rcv(struct se_if_priv *priv, > +int ele_msg_rcv(struct se_if_device_ctx *dev_ctx, > struct se_clbk_handle *se_clbk_hdl); > -int ele_msg_send(struct se_if_priv *priv, > +int ele_msg_send(struct se_if_device_ctx *dev_ctx, > void *tx_msg, > int tx_msg_sz); > -int ele_msg_send_rcv(struct se_if_priv *priv, > +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, > void *tx_msg, > int tx_msg_sz, > void *rx_msg, > diff --git a/drivers/firmware/imx/se_ctrl.c b/drivers/firmware/imx/se_ctrl.c > index 2d885c03a450..a326e07ae547 100644 > --- a/drivers/firmware/imx/se_ctrl.c > +++ b/drivers/firmware/imx/se_ctrl.c > @@ -204,6 +204,29 @@ static int get_se_soc_info(struct se_if_priv *priv, const struct se_soc_info *se > return 0; > } > > +static int init_misc_device_context(struct se_if_priv *priv, int ch_id, > + struct se_if_device_ctx **new_dev_ctx) > +{ > + struct se_if_device_ctx *dev_ctx; > + int ret = 0; > + > + dev_ctx = devm_kzalloc(priv->dev, sizeof(*dev_ctx), GFP_KERNEL); > + > + if (!dev_ctx) > + return -ENOMEM; > + > + dev_ctx->devname = devm_kasprintf(priv->dev, GFP_KERNEL, "%s0_ch%d", > + get_se_if_name(priv->if_defs->se_if_type), > + ch_id); > + if (!dev_ctx->devname) > + return -ENOMEM; > + > + dev_ctx->priv = priv; > + *new_dev_ctx = dev_ctx; > + > + return ret; > +} > + > /* interface for managed res to free a mailbox channel */ > static void if_mbox_free_channel(void *mbox_chan) > { > @@ -333,6 +356,12 @@ static int se_if_probe(struct platform_device *pdev) > "Failed to init reserved memory region."); > } > > + ret = init_misc_device_context(priv, 0, &priv->priv_dev_ctx); > + if (ret) > + return dev_err_probe(dev, ret, > + "Failed[0x%x] to create device contexts.", > + ret); > + > if (if_node->if_defs.se_if_type == SE_TYPE_ID_HSM) { > ret = get_se_soc_info(priv, se_info); > if (ret) > diff --git a/drivers/firmware/imx/se_ctrl.h b/drivers/firmware/imx/se_ctrl.h > index b15c4022a46c..b5e7705e2f26 100644 > --- a/drivers/firmware/imx/se_ctrl.h > +++ b/drivers/firmware/imx/se_ctrl.h > @@ -19,6 +19,7 @@ > #define MESSAGING_VERSION_7 0x7 > > struct se_clbk_handle { > + struct se_if_device_ctx *dev_ctx; > struct completion done; > bool signal_rcvd; > u32 rx_msg_sz; > @@ -36,6 +37,12 @@ struct se_imem_buf { > u32 state; > }; > > +/* Private struct for each char device instance. */ > +struct se_if_device_ctx { > + struct se_if_priv *priv; > + const char *devname; > +}; > + > /* Header of the messages exchange with the EdgeLock Enclave */ > struct se_msg_hdr { > u8 ver; > @@ -80,6 +87,8 @@ struct se_if_priv { > > struct gen_pool *mem_pool; > const struct se_if_defines *if_defs; > + > + struct se_if_device_ctx *priv_dev_ctx; > }; > > char *get_se_if_name(u8 se_if_id); > > -- > 2.43.0 >
diff --git a/drivers/firmware/imx/ele_base_msg.c b/drivers/firmware/imx/ele_base_msg.c index c843a5508a9e..9227d083abbb 100644 --- a/drivers/firmware/imx/ele_base_msg.c +++ b/drivers/firmware/imx/ele_base_msg.c @@ -62,7 +62,7 @@ int ele_get_info(struct se_if_priv *priv, struct ele_dev_info *s_info) tx_msg->data[0] = upper_32_bits(get_info_addr); tx_msg->data[1] = lower_32_bits(get_info_addr); tx_msg->data[2] = sizeof(*s_info); - ret = ele_msg_send_rcv(priv, + ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_GET_INFO_REQ_MSG_SZ, rx_msg, @@ -122,7 +122,7 @@ int ele_ping(struct se_if_priv *priv) return ret; } - ret = ele_msg_send_rcv(priv, + ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_PING_REQ_SZ, rx_msg, @@ -174,7 +174,7 @@ int ele_service_swap(struct se_if_priv *priv, if (!tx_msg->data[4]) return -EINVAL; - ret = ele_msg_send_rcv(priv, + ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_SERVICE_SWAP_REQ_MSG_SZ, rx_msg, @@ -227,7 +227,7 @@ int ele_fw_authenticate(struct se_if_priv *priv, phys_addr_t addr) tx_msg->data[0] = lower_32_bits(addr); tx_msg->data[2] = addr; - ret = ele_msg_send_rcv(priv, + ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_FW_AUTH_REQ_SZ, rx_msg, @@ -275,7 +275,7 @@ int ele_debug_dump(struct se_if_priv *priv) do { memset(rx_msg, 0x0, ELE_DEBUG_DUMP_RSP_SZ); - ret = ele_msg_send_rcv(priv, + ret = ele_msg_send_rcv(priv->priv_dev_ctx, tx_msg, ELE_DEBUG_DUMP_REQ_SZ, rx_msg, diff --git a/drivers/firmware/imx/ele_common.c b/drivers/firmware/imx/ele_common.c index 7573603cdbec..baf83f03c1a0 100644 --- a/drivers/firmware/imx/ele_common.c +++ b/drivers/firmware/imx/ele_common.c @@ -42,7 +42,7 @@ u32 se_get_msg_chksum(u32 *msg, u32 msg_len) return chksum; } -int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) +int ele_msg_rcv(struct se_if_device_ctx *dev_ctx, struct se_clbk_handle *se_clbk_hdl) { unsigned long timeout; int ret; @@ -52,8 +52,8 @@ int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) ret = wait_for_completion_interruptible_timeout(&se_clbk_hdl->done, timeout); if (ret == -ERESTARTSYS) { - if (priv->waiting_rsp_clbk_hdl.rx_msg) { - priv->waiting_rsp_clbk_hdl.signal_rcvd = true; + if (dev_ctx->priv->waiting_rsp_clbk_hdl.dev_ctx) { + dev_ctx->priv->waiting_rsp_clbk_hdl.signal_rcvd = true; continue; } ret = -EINTR; @@ -66,7 +66,7 @@ int ele_msg_rcv(struct se_if_priv *priv, struct se_clbk_handle *se_clbk_hdl) return ret; } -int ele_msg_send(struct se_if_priv *priv, +int ele_msg_send(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz) { @@ -78,16 +78,19 @@ int ele_msg_send(struct se_if_priv *priv, * carried in the message. */ if (header->size << 2 != tx_msg_sz) { - dev_err(priv->dev, - "User buf hdr: 0x%x, sz mismatced with input-sz (%d != %d).", + dev_err(dev_ctx->priv->dev, + "%s: User buf hdr: 0x%x, sz mismatced with input-sz (%d != %d).", + dev_ctx->devname, *(u32 *)header, header->size << 2, tx_msg_sz); return -EINVAL; } - err = mbox_send_message(priv->tx_chan, tx_msg); + err = mbox_send_message(dev_ctx->priv->tx_chan, tx_msg); if (err < 0) { - dev_err(priv->dev, "Error: mbox_send_message failure.\n"); + dev_err(dev_ctx->priv->dev, + "%s: Error: mbox_send_message failure.", + dev_ctx->devname); return err; } @@ -95,31 +98,35 @@ int ele_msg_send(struct se_if_priv *priv, } /* API used for send/receive blocking call. */ -int ele_msg_send_rcv(struct se_if_priv *priv, +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz, void *rx_msg, int exp_rx_msg_sz) { + struct se_if_priv *priv = dev_ctx->priv; int err; guard(mutex)(&priv->se_if_cmd_lock); + priv->waiting_rsp_clbk_hdl.dev_ctx = dev_ctx; priv->waiting_rsp_clbk_hdl.rx_msg_sz = exp_rx_msg_sz; priv->waiting_rsp_clbk_hdl.rx_msg = rx_msg; - err = ele_msg_send(priv, tx_msg, tx_msg_sz); + err = ele_msg_send(dev_ctx, tx_msg, tx_msg_sz); if (err < 0) return err; - err = ele_msg_rcv(priv, &priv->waiting_rsp_clbk_hdl); + err = ele_msg_rcv(dev_ctx, &priv->waiting_rsp_clbk_hdl); if (priv->waiting_rsp_clbk_hdl.signal_rcvd) { err = -EINTR; priv->waiting_rsp_clbk_hdl.signal_rcvd = false; dev_err(priv->dev, - "Err[0x%x]:Interrupted by signal.\n", err); + "%s: Err[0x%x]:Interrupted by signal.\n", + dev_ctx->devname, err); } + priv->waiting_rsp_clbk_hdl.dev_ctx = NULL; return err; } @@ -166,7 +173,8 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) if (header->tag == priv->if_defs->cmd_tag) { se_clbk_hdl = &priv->cmd_receiver_clbk_hdl; dev_dbg(dev, - "Selecting cmd receiver for mesg header:0x%x.", + "Selecting cmd receiver:%s for mesg header:0x%x.", + se_clbk_hdl->dev_ctx->devname, *(u32 *)header); /* @@ -176,7 +184,8 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) */ if (rx_msg_sz > MAX_NVM_MSG_LEN) { dev_err(dev, - "CMD-RCVER NVM: hdr(0x%x) with different sz(%d != %d).\n", + "%s: CMD-RCVER NVM: hdr(0x%x) with different sz(%d != %d).\n", + se_clbk_hdl->dev_ctx->devname, *(u32 *)header, rx_msg_sz, se_clbk_hdl->rx_msg_sz); @@ -187,13 +196,15 @@ void se_if_rx_callback(struct mbox_client *mbox_cl, void *msg) } else if (header->tag == priv->if_defs->rsp_tag) { se_clbk_hdl = &priv->waiting_rsp_clbk_hdl; dev_dbg(dev, - "Selecting resp waiter for mesg header:0x%x.", + "Selecting resp waiter:%s for mesg header:0x%x.", + se_clbk_hdl->dev_ctx->devname, *(u32 *)header); if (rx_msg_sz != se_clbk_hdl->rx_msg_sz && check_hdr_exception_for_sz(priv, header)) { dev_err(dev, - "Rsp to CMD: hdr(0x%x) with different sz(%d != %d).\n", + "%s: Rsp to CMD: hdr(0x%x) with different sz(%d != %d).\n", + se_clbk_hdl->dev_ctx->devname, *(u32 *)header, rx_msg_sz, se_clbk_hdl->rx_msg_sz); diff --git a/drivers/firmware/imx/ele_common.h b/drivers/firmware/imx/ele_common.h index cba2c7854455..62c75e149d95 100644 --- a/drivers/firmware/imx/ele_common.h +++ b/drivers/firmware/imx/ele_common.h @@ -13,12 +13,12 @@ #define IMX_ELE_FW_DIR "imx/ele/" u32 se_get_msg_chksum(u32 *msg, u32 msg_len); -int ele_msg_rcv(struct se_if_priv *priv, +int ele_msg_rcv(struct se_if_device_ctx *dev_ctx, struct se_clbk_handle *se_clbk_hdl); -int ele_msg_send(struct se_if_priv *priv, +int ele_msg_send(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz); -int ele_msg_send_rcv(struct se_if_priv *priv, +int ele_msg_send_rcv(struct se_if_device_ctx *dev_ctx, void *tx_msg, int tx_msg_sz, void *rx_msg, diff --git a/drivers/firmware/imx/se_ctrl.c b/drivers/firmware/imx/se_ctrl.c index 2d885c03a450..a326e07ae547 100644 --- a/drivers/firmware/imx/se_ctrl.c +++ b/drivers/firmware/imx/se_ctrl.c @@ -204,6 +204,29 @@ static int get_se_soc_info(struct se_if_priv *priv, const struct se_soc_info *se return 0; } +static int init_misc_device_context(struct se_if_priv *priv, int ch_id, + struct se_if_device_ctx **new_dev_ctx) +{ + struct se_if_device_ctx *dev_ctx; + int ret = 0; + + dev_ctx = devm_kzalloc(priv->dev, sizeof(*dev_ctx), GFP_KERNEL); + + if (!dev_ctx) + return -ENOMEM; + + dev_ctx->devname = devm_kasprintf(priv->dev, GFP_KERNEL, "%s0_ch%d", + get_se_if_name(priv->if_defs->se_if_type), + ch_id); + if (!dev_ctx->devname) + return -ENOMEM; + + dev_ctx->priv = priv; + *new_dev_ctx = dev_ctx; + + return ret; +} + /* interface for managed res to free a mailbox channel */ static void if_mbox_free_channel(void *mbox_chan) { @@ -333,6 +356,12 @@ static int se_if_probe(struct platform_device *pdev) "Failed to init reserved memory region."); } + ret = init_misc_device_context(priv, 0, &priv->priv_dev_ctx); + if (ret) + return dev_err_probe(dev, ret, + "Failed[0x%x] to create device contexts.", + ret); + if (if_node->if_defs.se_if_type == SE_TYPE_ID_HSM) { ret = get_se_soc_info(priv, se_info); if (ret) diff --git a/drivers/firmware/imx/se_ctrl.h b/drivers/firmware/imx/se_ctrl.h index b15c4022a46c..b5e7705e2f26 100644 --- a/drivers/firmware/imx/se_ctrl.h +++ b/drivers/firmware/imx/se_ctrl.h @@ -19,6 +19,7 @@ #define MESSAGING_VERSION_7 0x7 struct se_clbk_handle { + struct se_if_device_ctx *dev_ctx; struct completion done; bool signal_rcvd; u32 rx_msg_sz; @@ -36,6 +37,12 @@ struct se_imem_buf { u32 state; }; +/* Private struct for each char device instance. */ +struct se_if_device_ctx { + struct se_if_priv *priv; + const char *devname; +}; + /* Header of the messages exchange with the EdgeLock Enclave */ struct se_msg_hdr { u8 ver; @@ -80,6 +87,8 @@ struct se_if_priv { struct gen_pool *mem_pool; const struct se_if_defines *if_defs; + + struct se_if_device_ctx *priv_dev_ctx; }; char *get_se_if_name(u8 se_if_id);