summaryrefslogtreecommitdiff
path: root/drivers/staging/fsl-dpaa2/evb/dpdmux.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/fsl-dpaa2/evb/dpdmux.c')
-rw-r--r--drivers/staging/fsl-dpaa2/evb/dpdmux.c1112
1 files changed, 1112 insertions, 0 deletions
diff --git a/drivers/staging/fsl-dpaa2/evb/dpdmux.c b/drivers/staging/fsl-dpaa2/evb/dpdmux.c
new file mode 100644
index 0000000..f7a8763
--- /dev/null
+++ b/drivers/staging/fsl-dpaa2/evb/dpdmux.c
@@ -0,0 +1,1112 @@
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ *
+ * 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 name 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 "../../fsl-mc/include/mc-sys.h"
+#include "../../fsl-mc/include/mc-cmd.h"
+#include "dpdmux.h"
+#include "dpdmux-cmd.h"
+
+/**
+ * dpdmux_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_'
+ * @dpdmux_id: DPDMUX 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 dpdmux_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 dpdmux_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpdmux_id,
+ u16 *token)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_open *cmd_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_OPEN,
+ cmd_flags,
+ 0);
+ cmd_params = (struct dpdmux_cmd_open *)cmd.params;
+ cmd_params->dpdmux_id = cpu_to_le32(dpdmux_id);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ *token = mc_cmd_hdr_read_token(&cmd);
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_CLOSE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_create() - Create the DPDMUX 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 DPDMUX 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 dpdmux_create(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ const struct dpdmux_cfg *cfg,
+ u32 *obj_id)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_create *cmd_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_CREATE,
+ cmd_flags,
+ dprc_token);
+ cmd_params = (struct dpdmux_cmd_create *)cmd.params;
+ cmd_params->method = cfg->method;
+ cmd_params->manip = cfg->manip;
+ cmd_params->num_ifs = cpu_to_le16(cfg->num_ifs);
+ cmd_params->adv_max_dmat_entries =
+ cpu_to_le16(cfg->adv.max_dmat_entries);
+ cmd_params->adv_max_mc_groups = cpu_to_le16(cfg->adv.max_mc_groups);
+ cmd_params->adv_max_vlan_ids = cpu_to_le16(cfg->adv.max_vlan_ids);
+ cmd_params->options = cpu_to_le64(cfg->adv.options);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ *obj_id = mc_cmd_hdr_read_token(&cmd);
+
+ return 0;
+}
+
+/**
+ * dpdmux_destroy() - Destroy the DPDMUX 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 dpdmux_destroy(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ u32 object_id)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_destroy *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_DESTROY,
+ cmd_flags,
+ dprc_token);
+ cmd_params = (struct dpdmux_cmd_destroy *)cmd.params;
+ cmd_params->dpdmux_id = cpu_to_le32(object_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_enable() - Enable DPDMUX functionality
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_ENABLE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_disable() - Disable DPDMUX functionality
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_DISABLE,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_is_enabled() - Check if the DPDMUX 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 DPDMUX object
+ * @en: Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_rsp_is_enabled *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IS_ENABLED,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_is_enabled *)cmd.params;
+ *en = dpdmux_get_field(rsp_params->en, ENABLE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_reset() - Reset the DPDMUX, 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 DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_RESET,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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 dpdmux_cmd_set_irq_enable *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_set_irq_enable *)cmd.params;
+ cmd_params->enable = en;
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_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 DPDMUX object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_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 dpdmux_cmd_get_irq_enable *cmd_params;
+ struct dpdmux_rsp_get_irq_enable *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_get_irq_enable *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_get_irq_enable *)cmd.params;
+ *en = rsp_params->enable;
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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 dpdmux_cmd_set_irq_mask *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_set_irq_mask *)cmd.params;
+ cmd_params->mask = cpu_to_le32(mask);
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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 dpdmux_cmd_get_irq_mask *cmd_params;
+ struct dpdmux_rsp_get_irq_mask *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_get_irq_mask *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_get_irq_mask *)cmd.params;
+ *mask = le32_to_cpu(rsp_params->mask);
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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 dpdmux_cmd_get_irq_status *cmd_params;
+ struct dpdmux_rsp_get_irq_status *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_get_irq_status *)cmd.params;
+ cmd_params->status = cpu_to_le32(*status);
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_get_irq_status *)cmd.params;
+ *status = le32_to_cpu(rsp_params->status);
+
+ return 0;
+}
+
+/**
+ * dpdmux_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 DPDMUX 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 dpdmux_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 dpdmux_cmd_clear_irq_status *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_CLEAR_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_clear_irq_status *)cmd.params;
+ cmd_params->status = cpu_to_le32(status);
+ cmd_params->irq_index = irq_index;
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_get_attributes() - Retrieve DPDMUX 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 DPDMUX object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_attr *attr)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_rsp_get_attr *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_ATTR,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_get_attr *)cmd.params;
+ attr->id = le32_to_cpu(rsp_params->id);
+ attr->options = le64_to_cpu(rsp_params->options);
+ attr->method = rsp_params->method;
+ attr->manip = rsp_params->manip;
+ attr->num_ifs = le16_to_cpu(rsp_params->num_ifs);
+ attr->mem_size = le16_to_cpu(rsp_params->mem_size);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_enable() - Enable Interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Identifier
+ *
+ * Return: Completion status. '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id)
+{
+ struct dpdmux_cmd_if *cmd_params;
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_disable() - Disable Interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Identifier
+ *
+ * Return: Completion status. '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id)
+{
+ struct dpdmux_cmd_if *cmd_params;
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_DISABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_set_max_frame_length() - Set the maximum frame length in DPDMUX
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @max_frame_length: The required maximum frame length
+ *
+ * Update the maximum frame length on all DMUX interfaces.
+ * In case of VEPA, the maximum frame length on all dmux interfaces
+ * will be updated with the minimum value of the mfls of the connected
+ * dpnis and the actual value of dmux mfl.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 max_frame_length)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_set_max_frame_length *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_MAX_FRAME_LENGTH,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_set_max_frame_length *)cmd.params;
+ cmd_params->max_frame_length = cpu_to_le16(max_frame_length);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_ul_reset_counters() - Function resets the uplink counter
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_ul_reset_counters(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_UL_RESET_COUNTERS,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_set_accepted_frames() - Set the accepted frame types
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface ID (0 for uplink, or 1-num_ifs);
+ * @cfg: Frame types configuration
+ *
+ * if 'DPDMUX_ADMIT_ONLY_VLAN_TAGGED' is set - untagged frames or
+ * priority-tagged frames are discarded.
+ * if 'DPDMUX_ADMIT_ONLY_UNTAGGED' is set - untagged frames or
+ * priority-tagged frames are accepted.
+ * if 'DPDMUX_ADMIT_ALL' is set (default mode) - all VLAN tagged,
+ * untagged and priority-tagged frame are accepted;
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_set_accepted_frames(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_accepted_frames *cfg)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_set_accepted_frames *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_SET_ACCEPTED_FRAMES,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_set_accepted_frames *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ dpdmux_set_field(cmd_params->frames_options, ACCEPTED_FRAMES_TYPE,
+ cfg->type);
+ dpdmux_set_field(cmd_params->frames_options, UNACCEPTED_FRAMES_ACTION,
+ cfg->unaccept_act);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_attributes() - Obtain DPDMUX interface 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 DPDMUX object
+ * @if_id: Interface ID (0 for uplink, or 1-num_ifs);
+ * @attr: Interface attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_if_attr *attr)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if *cmd_params;
+ struct dpdmux_rsp_if_get_attr *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_ATTR,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_attr *)cmd.params;
+ attr->rate = le32_to_cpu(rsp_params->rate);
+ attr->enabled = dpdmux_get_field(rsp_params->enabled, ENABLE);
+ attr->accept_frame_type =
+ dpdmux_get_field(rsp_params->accepted_frames_type,
+ ACCEPTED_FRAMES_TYPE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_remove_l2_rule() - Remove L2 rule from DPDMUX table
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Destination interface ID
+ * @rule: L2 rule
+ *
+ * Function removes a L2 rule from DPDMUX table
+ * or adds an interface to an existing multicast address
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_remove_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_l2_rule *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_REMOVE_L2_RULE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_l2_rule *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->vlan_id = cpu_to_le16(rule->vlan_id);
+ cmd_params->mac_addr5 = rule->mac_addr[5];
+ cmd_params->mac_addr4 = rule->mac_addr[4];
+ cmd_params->mac_addr3 = rule->mac_addr[3];
+ cmd_params->mac_addr2 = rule->mac_addr[2];
+ cmd_params->mac_addr1 = rule->mac_addr[1];
+ cmd_params->mac_addr0 = rule->mac_addr[0];
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_add_l2_rule() - Add L2 rule into DPDMUX table
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Destination interface ID
+ * @rule: L2 rule
+ *
+ * Function adds a L2 rule into DPDMUX table
+ * or adds an interface to an existing multicast address
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_add_l2_rule(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ const struct dpdmux_l2_rule *rule)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_l2_rule *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_ADD_L2_RULE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_l2_rule *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->vlan_id = cpu_to_le16(rule->vlan_id);
+ cmd_params->mac_addr5 = rule->mac_addr[5];
+ cmd_params->mac_addr4 = rule->mac_addr[4];
+ cmd_params->mac_addr3 = rule->mac_addr[3];
+ cmd_params->mac_addr2 = rule->mac_addr[2];
+ cmd_params->mac_addr1 = rule->mac_addr[1];
+ cmd_params->mac_addr0 = rule->mac_addr[0];
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_counter() - Functions obtains specific counter of an interface
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPDMUX object
+ * @if_id: Interface Id
+ * @counter_type: counter type
+ * @counter: Returned specific counter information
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_counter(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ enum dpdmux_counter_type counter_type,
+ u64 *counter)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_get_counter *cmd_params;
+ struct dpdmux_rsp_if_get_counter *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_COUNTER,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_get_counter *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->counter_type = counter_type;
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_counter *)cmd.params;
+ *counter = le64_to_cpu(rsp_params->counter);
+
+ return 0;
+}
+
+/**
+ * dpdmux_if_set_link_cfg() - set the link 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 DPSW object
+ * @if_id: interface id
+ * @cfg: Link configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_set_link_cfg(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_cfg *cfg)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_set_link_cfg *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_SET_LINK_CFG,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_set_link_cfg *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+ cmd_params->rate = cpu_to_le32(cfg->rate);
+ cmd_params->options = cpu_to_le64(cfg->options);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_if_get_link_state - Return the link 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 DPSW object
+ * @if_id: interface id
+ * @state: link state
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_if_get_link_state(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u16 if_id,
+ struct dpdmux_link_state *state)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_cmd_if_get_link_state *cmd_params;
+ struct dpdmux_rsp_if_get_link_state *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_IF_GET_LINK_STATE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_if_get_link_state *)cmd.params;
+ cmd_params->if_id = cpu_to_le16(if_id);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpdmux_rsp_if_get_link_state *)cmd.params;
+ state->rate = le32_to_cpu(rsp_params->rate);
+ state->options = le64_to_cpu(rsp_params->options);
+ state->up = dpdmux_get_field(rsp_params->up, ENABLE);
+
+ return 0;
+}
+
+/**
+ * dpdmux_set_custom_key - Set a custom classification key.
+ *
+ * This API is only available for DPDMUX instance created with
+ * DPDMUX_METHOD_CUSTOM. This API must be called before populating the
+ * classification table using dpdmux_add_custom_cls_entry.
+ *
+ * Calls to dpdmux_set_custom_key remove all existing classification entries
+ * that may have been added previously using dpdmux_add_custom_cls_entry.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @if_id: interface id
+ * @key_cfg_iova: DMA address of a configuration structure set up using
+ * dpkg_prepare_key_cfg. Maximum key size is 24 bytes.
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_set_custom_key(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u64 key_cfg_iova)
+{
+ struct dpdmux_set_custom_key *cmd_params;
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_CUSTOM_KEY,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_set_custom_key *)cmd.params;
+ cmd_params->key_cfg_iova = cpu_to_le64(key_cfg_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_add_custom_cls_entry - Adds a custom classification entry.
+ *
+ * This API is only available for DPDMUX instances created with
+ * DPDMUX_METHOD_CUSTOM. Before calling this function a classification key
+ * composition rule must be set up using dpdmux_set_custom_key.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @rule: Classification rule to insert. Rules cannot be duplicated, if a
+ * matching rule already exists, the action will be replaced.
+ * @action: Action to perform for matching traffic.
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_add_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule,
+ struct dpdmux_cls_action *action)
+{
+ struct dpdmux_cmd_add_custom_cls_entry *cmd_params;
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_ADD_CUSTOM_CLS_ENTRY,
+ cmd_flags,
+ token);
+
+ cmd_params = (struct dpdmux_cmd_add_custom_cls_entry *)cmd.params;
+ cmd_params->key_size = rule->key_size;
+ cmd_params->dest_if = cpu_to_le16(action->dest_if);
+ cmd_params->key_iova = cpu_to_le64(rule->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(rule->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_remove_custom_cls_entry - Removes a custom classification entry.
+ *
+ * This API is only available for DPDMUX instances created with
+ * DPDMUX_METHOD_CUSTOM. The API can be used to remove classification
+ * entries previously inserted using dpdmux_add_custom_cls_entry.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPSW object
+ * @rule: Classification rule to remove
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpdmux_remove_custom_cls_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpdmux_rule_cfg *rule)
+{
+ struct dpdmux_cmd_remove_custom_cls_entry *cmd_params;
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_REMOVE_CUSTOM_CLS_ENTRY,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpdmux_cmd_remove_custom_cls_entry *)cmd.params;
+ cmd_params->key_size = rule->key_size;
+ cmd_params->key_iova = cpu_to_le64(rule->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(rule->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpdmux_get_api_version() - Get Data Path Demux 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 demux API
+ * @minor_ver: Minor version of data path demux API
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 *major_ver,
+ u16 *minor_ver)
+{
+ struct mc_command cmd = { 0 };
+ struct dpdmux_rsp_get_api_version *rsp_params;
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_GET_API_VERSION,
+ cmd_flags,
+ 0);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dpdmux_rsp_get_api_version *)cmd.params;
+ *major_ver = le16_to_cpu(rsp_params->major);
+ *minor_ver = le16_to_cpu(rsp_params->minor);
+
+ return 0;
+}