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gfiber / kernel / quantenna / 16eab666e043be5afbac17e81f2d0c56922c06d3 / . / drivers / staging / fsl-mc / bus / dprc.c
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/* Copyright 2013-2014 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 "../include/mc-sys.h"
#include "../include/mc-cmd.h"
#include "../include/dprc.h"
#include "dprc-cmd.h"
/**
* dprc_open() - Open DPRC object for use
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @container_id: Container ID to open
* @token: Returned token of DPRC object
*
* Return: '0' on Success; Error code otherwise.
*
* @warning Required before any operation on the object.
*/
int dprc_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int container_id,
u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
0);
cmd.params[0] |= mc_enc(0, 32, container_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.header);
return 0;
}
EXPORT_SYMBOL(dprc_open);
/**
* dprc_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 DPRC 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 dprc_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(DPRC_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
EXPORT_SYMBOL(dprc_close);
/**
* dprc_create_container() - Create child container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @cfg: Child container configuration
* @child_container_id: Returned child container ID
* @child_portal_offset: Returned child portal offset from MC portal base
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_create_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dprc_cfg *cfg,
int *child_container_id,
u64 *child_portal_offset)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.params[0] |= mc_enc(32, 16, cfg->icid);
cmd.params[0] |= mc_enc(0, 32, cfg->options);
cmd.params[1] |= mc_enc(32, 32, cfg->portal_id);
cmd.params[2] |= mc_enc(0, 8, cfg->label[0]);
cmd.params[2] |= mc_enc(8, 8, cfg->label[1]);
cmd.params[2] |= mc_enc(16, 8, cfg->label[2]);
cmd.params[2] |= mc_enc(24, 8, cfg->label[3]);
cmd.params[2] |= mc_enc(32, 8, cfg->label[4]);
cmd.params[2] |= mc_enc(40, 8, cfg->label[5]);
cmd.params[2] |= mc_enc(48, 8, cfg->label[6]);
cmd.params[2] |= mc_enc(56, 8, cfg->label[7]);
cmd.params[3] |= mc_enc(0, 8, cfg->label[8]);
cmd.params[3] |= mc_enc(8, 8, cfg->label[9]);
cmd.params[3] |= mc_enc(16, 8, cfg->label[10]);
cmd.params[3] |= mc_enc(24, 8, cfg->label[11]);
cmd.params[3] |= mc_enc(32, 8, cfg->label[12]);
cmd.params[3] |= mc_enc(40, 8, cfg->label[13]);
cmd.params[3] |= mc_enc(48, 8, cfg->label[14]);
cmd.params[3] |= mc_enc(56, 8, cfg->label[15]);
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*child_container_id = mc_dec(cmd.params[1], 0, 32);
*child_portal_offset = mc_dec(cmd.params[2], 0, 64);
return 0;
}
/**
* dprc_destroy_container() - Destroy child container.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id: ID of the container to destroy
*
* This function terminates the child container, so following this call the
* child container ID becomes invalid.
*
* Notes:
* - All resources and objects of the destroyed container are returned to the
* parent container or destroyed if were created be the destroyed container.
* - This function destroy all the child containers of the specified
* container prior to destroying the container itself.
*
* warning: Only the parent container is allowed to destroy a child policy
* Container 0 can't be destroyed
*
* Return: '0' on Success; Error code otherwise.
*
*/
int dprc_destroy_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_reset_container - Reset child container.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id: ID of the container to reset
*
* In case a software context crashes or becomes non-responsive, the parent
* may wish to reset its resources container before the software context is
* restarted.
*
* This routine informs all objects assigned to the child container that the
* container is being reset, so they may perform any cleanup operations that are
* needed. All objects handles that were owned by the child container shall be
* closed.
*
* Note that such request may be submitted even if the child software context
* has not crashed, but the resulting object cleanup operations will not be
* aware of that.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_reset_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_irq() - Get IRQ information from the DPRC.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @irq_index: The interrupt index to configure
* @type: Interrupt type: 0 represents message interrupt
* type (both irq_addr and irq_val are valid)
* @irq_cfg: IRQ attributes
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
int *type,
struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ,
cmd_flags,
token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
irq_cfg->val = mc_dec(cmd.params[0], 0, 32);
irq_cfg->paddr = mc_dec(cmd.params[1], 0, 64);
irq_cfg->irq_num = mc_dec(cmd.params[2], 0, 32);
*type = mc_dec(cmd.params[2], 32, 32);
return 0;
}
/**
* dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @irq_index: Identifies the interrupt index to configure
* @irq_cfg: IRQ configuration
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_set_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ,
cmd_flags,
token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
cmd.params[0] |= mc_enc(0, 32, irq_cfg->val);
cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr);
cmd.params[2] |= mc_enc(0, 32, irq_cfg->irq_num);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_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 DPRC object
* @irq_index: The interrupt index to configure
* @en: Returned interrupt state - enable = 1, disable = 0
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE,
cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*en = mc_dec(cmd.params[0], 0, 8);
return 0;
}
/**
* dprc_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 DPRC 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 dprc_set_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 en)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, en);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_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 DPRC 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 dprc_get_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *mask)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK,
cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*mask = mc_dec(cmd.params[0], 0, 32);
return 0;
}
/**
* dprc_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 DPRC 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 dprc_set_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 mask)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, mask);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_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 DPRC 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 dprc_get_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *status)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, *status);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*status = mc_dec(cmd.params[0], 0, 32);
return 0;
}
/**
* dprc_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 DPRC 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 dprc_clear_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 status)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, status);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_attributes() - Obtains container 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 DPRC object
* @attributes Returned container attributes
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dprc_attributes *attr)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
attr->container_id = mc_dec(cmd.params[0], 0, 32);
attr->icid = mc_dec(cmd.params[0], 32, 16);
attr->options = mc_dec(cmd.params[1], 0, 32);
attr->portal_id = mc_dec(cmd.params[1], 32, 32);
attr->version.major = mc_dec(cmd.params[2], 0, 16);
attr->version.minor = mc_dec(cmd.params[2], 16, 16);
return 0;
}
/**
* dprc_set_res_quota() - Set allocation policy for a specific resource/object
* type in a child container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id: ID of the child container
* @type: Resource/object type
* @quota: Sets the maximum number of resources of the selected type
* that the child container is allowed to allocate from its parent;
* when quota is set to -1, the policy is the same as container's
* general policy.
*
* Allocation policy determines whether or not a container may allocate
* resources from its parent. Each container has a 'global' allocation policy
* that is set when the container is created.
*
* This function sets allocation policy for a specific resource type.
* The default policy for all resource types matches the container's 'global'
* allocation policy.
*
* Return: '0' on Success; Error code otherwise.
*
* @warning Only the parent container is allowed to change a child policy.
*/
int dprc_set_res_quota(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
char *type,
u16 quota)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_RES_QUOTA,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[0] |= mc_enc(32, 16, quota);
cmd.params[1] |= mc_enc(0, 8, type[0]);
cmd.params[1] |= mc_enc(8, 8, type[1]);
cmd.params[1] |= mc_enc(16, 8, type[2]);
cmd.params[1] |= mc_enc(24, 8, type[3]);
cmd.params[1] |= mc_enc(32, 8, type[4]);
cmd.params[1] |= mc_enc(40, 8, type[5]);
cmd.params[1] |= mc_enc(48, 8, type[6]);
cmd.params[1] |= mc_enc(56, 8, type[7]);
cmd.params[2] |= mc_enc(0, 8, type[8]);
cmd.params[2] |= mc_enc(8, 8, type[9]);
cmd.params[2] |= mc_enc(16, 8, type[10]);
cmd.params[2] |= mc_enc(24, 8, type[11]);
cmd.params[2] |= mc_enc(32, 8, type[12]);
cmd.params[2] |= mc_enc(40, 8, type[13]);
cmd.params[2] |= mc_enc(48, 8, type[14]);
cmd.params[2] |= mc_enc(56, 8, '\0');
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_res_quota() - Gets the allocation policy of a specific
* resource/object type in a child container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id; ID of the child container
* @type: resource/object type
* @quota: Returnes the maximum number of resources of the selected type
* that the child container is allowed to allocate from the parent;
* when quota is set to -1, the policy is the same as container's
* general policy.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_res_quota(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
char *type,
u16 *quota)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_QUOTA,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[1] |= mc_enc(0, 8, type[0]);
cmd.params[1] |= mc_enc(8, 8, type[1]);
cmd.params[1] |= mc_enc(16, 8, type[2]);
cmd.params[1] |= mc_enc(24, 8, type[3]);
cmd.params[1] |= mc_enc(32, 8, type[4]);
cmd.params[1] |= mc_enc(40, 8, type[5]);
cmd.params[1] |= mc_enc(48, 8, type[6]);
cmd.params[1] |= mc_enc(56, 8, type[7]);
cmd.params[2] |= mc_enc(0, 8, type[8]);
cmd.params[2] |= mc_enc(8, 8, type[9]);
cmd.params[2] |= mc_enc(16, 8, type[10]);
cmd.params[2] |= mc_enc(24, 8, type[11]);
cmd.params[2] |= mc_enc(32, 8, type[12]);
cmd.params[2] |= mc_enc(40, 8, type[13]);
cmd.params[2] |= mc_enc(48, 8, type[14]);
cmd.params[2] |= mc_enc(56, 8, '\0');
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*quota = mc_dec(cmd.params[0], 32, 16);
return 0;
}
/**
* dprc_assign() - Assigns objects or resource to a child container.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @container_id: ID of the child container
* @res_req: Describes the type and amount of resources to
* assign to the given container
*
* Assignment is usually done by a parent (this DPRC) to one of its child
* containers.
*
* According to the DPRC allocation policy, the assigned resources may be taken
* (allocated) from the container's ancestors, if not enough resources are
* available in the container itself.
*
* The type of assignment depends on the dprc_res_req options, as follows:
* - DPRC_RES_REQ_OPT_EXPLICIT: indicates that assigned resources should have
* the explicit base ID specified at the id_base_align field of res_req.
* - DPRC_RES_REQ_OPT_ALIGNED: indicates that the assigned resources should be
* aligned to the value given at id_base_align field of res_req.
* - DPRC_RES_REQ_OPT_PLUGGED: Relevant only for object assignment,
* and indicates that the object must be set to the plugged state.
*
* A container may use this function with its own ID in order to change a
* object state to plugged or unplugged.
*
* If IRQ information has been set in the child DPRC, it will signal an
* interrupt following every change in its object assignment.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_assign(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int container_id,
struct dprc_res_req *res_req)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_ASSIGN,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, container_id);
cmd.params[0] |= mc_enc(32, 32, res_req->options);
cmd.params[1] |= mc_enc(0, 32, res_req->num);
cmd.params[1] |= mc_enc(32, 32, res_req->id_base_align);
cmd.params[2] |= mc_enc(0, 8, res_req->type[0]);
cmd.params[2] |= mc_enc(8, 8, res_req->type[1]);
cmd.params[2] |= mc_enc(16, 8, res_req->type[2]);
cmd.params[2] |= mc_enc(24, 8, res_req->type[3]);
cmd.params[2] |= mc_enc(32, 8, res_req->type[4]);
cmd.params[2] |= mc_enc(40, 8, res_req->type[5]);
cmd.params[2] |= mc_enc(48, 8, res_req->type[6]);
cmd.params[2] |= mc_enc(56, 8, res_req->type[7]);
cmd.params[3] |= mc_enc(0, 8, res_req->type[8]);
cmd.params[3] |= mc_enc(8, 8, res_req->type[9]);
cmd.params[3] |= mc_enc(16, 8, res_req->type[10]);
cmd.params[3] |= mc_enc(24, 8, res_req->type[11]);
cmd.params[3] |= mc_enc(32, 8, res_req->type[12]);
cmd.params[3] |= mc_enc(40, 8, res_req->type[13]);
cmd.params[3] |= mc_enc(48, 8, res_req->type[14]);
cmd.params[3] |= mc_enc(56, 8, res_req->type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_unassign() - Un-assigns objects or resources from a child container
* and moves them into this (parent) DPRC.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @child_container_id: ID of the child container
* @res_req: Describes the type and amount of resources to un-assign from
* the child container
*
* Un-assignment of objects can succeed only if the object is not in the
* plugged or opened state.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_unassign(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
struct dprc_res_req *res_req)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_UNASSIGN,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[0] |= mc_enc(32, 32, res_req->options);
cmd.params[1] |= mc_enc(0, 32, res_req->num);
cmd.params[1] |= mc_enc(32, 32, res_req->id_base_align);
cmd.params[2] |= mc_enc(0, 8, res_req->type[0]);
cmd.params[2] |= mc_enc(8, 8, res_req->type[1]);
cmd.params[2] |= mc_enc(16, 8, res_req->type[2]);
cmd.params[2] |= mc_enc(24, 8, res_req->type[3]);
cmd.params[2] |= mc_enc(32, 8, res_req->type[4]);
cmd.params[2] |= mc_enc(40, 8, res_req->type[5]);
cmd.params[2] |= mc_enc(48, 8, res_req->type[6]);
cmd.params[2] |= mc_enc(56, 8, res_req->type[7]);
cmd.params[3] |= mc_enc(0, 8, res_req->type[8]);
cmd.params[3] |= mc_enc(8, 8, res_req->type[9]);
cmd.params[3] |= mc_enc(16, 8, res_req->type[10]);
cmd.params[3] |= mc_enc(24, 8, res_req->type[11]);
cmd.params[3] |= mc_enc(32, 8, res_req->type[12]);
cmd.params[3] |= mc_enc(40, 8, res_req->type[13]);
cmd.params[3] |= mc_enc(48, 8, res_req->type[14]);
cmd.params[3] |= mc_enc(56, 8, res_req->type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_pool_count() - Get the number of dprc's pools
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @mc_io: Pointer to MC portal's I/O object
* @token: Token of DPRC object
* @pool_count: Returned number of resource pools in the dprc
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_pool_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *pool_count)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL_COUNT,
cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*pool_count = mc_dec(cmd.params[0], 0, 32);
return 0;
}
/**
* dprc_get_pool() - Get the type (string) of a certain dprc's pool
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @pool_index; Index of the pool to be queried (< pool_count)
* @type: The type of the pool
*
* The pool types retrieved one by one by incrementing
* pool_index up to (not including) the value of pool_count returned
* from dprc_get_pool_count(). dprc_get_pool_count() must
* be called prior to dprc_get_pool().
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_pool(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int pool_index,
char *type)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, pool_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
type[0] = mc_dec(cmd.params[1], 0, 8);
type[1] = mc_dec(cmd.params[1], 8, 8);
type[2] = mc_dec(cmd.params[1], 16, 8);
type[3] = mc_dec(cmd.params[1], 24, 8);
type[4] = mc_dec(cmd.params[1], 32, 8);
type[5] = mc_dec(cmd.params[1], 40, 8);
type[6] = mc_dec(cmd.params[1], 48, 8);
type[7] = mc_dec(cmd.params[1], 56, 8);
type[8] = mc_dec(cmd.params[2], 0, 8);
type[9] = mc_dec(cmd.params[2], 8, 8);
type[10] = mc_dec(cmd.params[2], 16, 8);
type[11] = mc_dec(cmd.params[2], 24, 8);
type[12] = mc_dec(cmd.params[2], 32, 8);
type[13] = mc_dec(cmd.params[2], 40, 8);
type[14] = mc_dec(cmd.params[2], 48, 8);
type[15] = '\0';
return 0;
}
/**
* dprc_get_obj_count() - Obtains the number of objects in the DPRC
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @obj_count: Number of objects assigned to the DPRC
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_obj_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *obj_count)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*obj_count = mc_dec(cmd.params[0], 32, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_obj_count);
/**
* dprc_get_obj() - Get general information on an 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 DPRC object
* @obj_index: Index of the object to be queried (< obj_count)
* @obj_desc: Returns the requested object descriptor
*
* The object descriptors are retrieved one by one by incrementing
* obj_index up to (not including) the value of obj_count returned
* from dprc_get_obj_count(). dprc_get_obj_count() must
* be called prior to dprc_get_obj().
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_obj(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int obj_index,
struct dprc_obj_desc *obj_desc)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, obj_index);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
obj_desc->id = mc_dec(cmd.params[0], 32, 32);
obj_desc->vendor = mc_dec(cmd.params[1], 0, 16);
obj_desc->irq_count = mc_dec(cmd.params[1], 16, 8);
obj_desc->region_count = mc_dec(cmd.params[1], 24, 8);
obj_desc->state = mc_dec(cmd.params[1], 32, 32);
obj_desc->ver_major = mc_dec(cmd.params[2], 0, 16);
obj_desc->ver_minor = mc_dec(cmd.params[2], 16, 16);
obj_desc->flags = mc_dec(cmd.params[2], 32, 16);
obj_desc->type[0] = mc_dec(cmd.params[3], 0, 8);
obj_desc->type[1] = mc_dec(cmd.params[3], 8, 8);
obj_desc->type[2] = mc_dec(cmd.params[3], 16, 8);
obj_desc->type[3] = mc_dec(cmd.params[3], 24, 8);
obj_desc->type[4] = mc_dec(cmd.params[3], 32, 8);
obj_desc->type[5] = mc_dec(cmd.params[3], 40, 8);
obj_desc->type[6] = mc_dec(cmd.params[3], 48, 8);
obj_desc->type[7] = mc_dec(cmd.params[3], 56, 8);
obj_desc->type[8] = mc_dec(cmd.params[4], 0, 8);
obj_desc->type[9] = mc_dec(cmd.params[4], 8, 8);
obj_desc->type[10] = mc_dec(cmd.params[4], 16, 8);
obj_desc->type[11] = mc_dec(cmd.params[4], 24, 8);
obj_desc->type[12] = mc_dec(cmd.params[4], 32, 8);
obj_desc->type[13] = mc_dec(cmd.params[4], 40, 8);
obj_desc->type[14] = mc_dec(cmd.params[4], 48, 8);
obj_desc->type[15] = '\0';
obj_desc->label[0] = mc_dec(cmd.params[5], 0, 8);
obj_desc->label[1] = mc_dec(cmd.params[5], 8, 8);
obj_desc->label[2] = mc_dec(cmd.params[5], 16, 8);
obj_desc->label[3] = mc_dec(cmd.params[5], 24, 8);
obj_desc->label[4] = mc_dec(cmd.params[5], 32, 8);
obj_desc->label[5] = mc_dec(cmd.params[5], 40, 8);
obj_desc->label[6] = mc_dec(cmd.params[5], 48, 8);
obj_desc->label[7] = mc_dec(cmd.params[5], 56, 8);
obj_desc->label[8] = mc_dec(cmd.params[6], 0, 8);
obj_desc->label[9] = mc_dec(cmd.params[6], 8, 8);
obj_desc->label[10] = mc_dec(cmd.params[6], 16, 8);
obj_desc->label[11] = mc_dec(cmd.params[6], 24, 8);
obj_desc->label[12] = mc_dec(cmd.params[6], 32, 8);
obj_desc->label[13] = mc_dec(cmd.params[6], 40, 8);
obj_desc->label[14] = mc_dec(cmd.params[6], 48, 8);
obj_desc->label[15] = '\0';
return 0;
}
EXPORT_SYMBOL(dprc_get_obj);
/**
* dprc_get_obj_desc() - Get object descriptor.
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @obj_type: The type of the object to get its descriptor.
* @obj_id: The id of the object to get its descriptor
* @obj_desc: The returned descriptor to fill and return to the user
*
* Return: '0' on Success; Error code otherwise.
*
*/
int dprc_get_obj_desc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
struct dprc_obj_desc *obj_desc)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_DESC,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, obj_id);
cmd.params[1] |= mc_enc(0, 8, obj_type[0]);
cmd.params[1] |= mc_enc(8, 8, obj_type[1]);
cmd.params[1] |= mc_enc(16, 8, obj_type[2]);
cmd.params[1] |= mc_enc(24, 8, obj_type[3]);
cmd.params[1] |= mc_enc(32, 8, obj_type[4]);
cmd.params[1] |= mc_enc(40, 8, obj_type[5]);
cmd.params[1] |= mc_enc(48, 8, obj_type[6]);
cmd.params[1] |= mc_enc(56, 8, obj_type[7]);
cmd.params[2] |= mc_enc(0, 8, obj_type[8]);
cmd.params[2] |= mc_enc(8, 8, obj_type[9]);
cmd.params[2] |= mc_enc(16, 8, obj_type[10]);
cmd.params[2] |= mc_enc(24, 8, obj_type[11]);
cmd.params[2] |= mc_enc(32, 8, obj_type[12]);
cmd.params[2] |= mc_enc(40, 8, obj_type[13]);
cmd.params[2] |= mc_enc(48, 8, obj_type[14]);
cmd.params[2] |= mc_enc(56, 8, obj_type[15]);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
obj_desc->id = (int)mc_dec(cmd.params[0], 32, 32);
obj_desc->vendor = (u16)mc_dec(cmd.params[1], 0, 16);
obj_desc->vendor = (u8)mc_dec(cmd.params[1], 16, 8);
obj_desc->region_count = (u8)mc_dec(cmd.params[1], 24, 8);
obj_desc->state = (u32)mc_dec(cmd.params[1], 32, 32);
obj_desc->ver_major = (u16)mc_dec(cmd.params[2], 0, 16);
obj_desc->ver_minor = (u16)mc_dec(cmd.params[2], 16, 16);
obj_desc->flags = mc_dec(cmd.params[2], 32, 16);
obj_desc->type[0] = (char)mc_dec(cmd.params[3], 0, 8);
obj_desc->type[1] = (char)mc_dec(cmd.params[3], 8, 8);
obj_desc->type[2] = (char)mc_dec(cmd.params[3], 16, 8);
obj_desc->type[3] = (char)mc_dec(cmd.params[3], 24, 8);
obj_desc->type[4] = (char)mc_dec(cmd.params[3], 32, 8);
obj_desc->type[5] = (char)mc_dec(cmd.params[3], 40, 8);
obj_desc->type[6] = (char)mc_dec(cmd.params[3], 48, 8);
obj_desc->type[7] = (char)mc_dec(cmd.params[3], 56, 8);
obj_desc->type[8] = (char)mc_dec(cmd.params[4], 0, 8);
obj_desc->type[9] = (char)mc_dec(cmd.params[4], 8, 8);
obj_desc->type[10] = (char)mc_dec(cmd.params[4], 16, 8);
obj_desc->type[11] = (char)mc_dec(cmd.params[4], 24, 8);
obj_desc->type[12] = (char)mc_dec(cmd.params[4], 32, 8);
obj_desc->type[13] = (char)mc_dec(cmd.params[4], 40, 8);
obj_desc->type[14] = (char)mc_dec(cmd.params[4], 48, 8);
obj_desc->type[15] = (char)mc_dec(cmd.params[4], 56, 8);
obj_desc->label[0] = (char)mc_dec(cmd.params[5], 0, 8);
obj_desc->label[1] = (char)mc_dec(cmd.params[5], 8, 8);
obj_desc->label[2] = (char)mc_dec(cmd.params[5], 16, 8);
obj_desc->label[3] = (char)mc_dec(cmd.params[5], 24, 8);
obj_desc->label[4] = (char)mc_dec(cmd.params[5], 32, 8);
obj_desc->label[5] = (char)mc_dec(cmd.params[5], 40, 8);
obj_desc->label[6] = (char)mc_dec(cmd.params[5], 48, 8);
obj_desc->label[7] = (char)mc_dec(cmd.params[5], 56, 8);
obj_desc->label[8] = (char)mc_dec(cmd.params[6], 0, 8);
obj_desc->label[9] = (char)mc_dec(cmd.params[6], 8, 8);
obj_desc->label[10] = (char)mc_dec(cmd.params[6], 16, 8);
obj_desc->label[11] = (char)mc_dec(cmd.params[6], 24, 8);
obj_desc->label[12] = (char)mc_dec(cmd.params[6], 32, 8);
obj_desc->label[13] = (char)mc_dec(cmd.params[6], 40, 8);
obj_desc->label[14] = (char)mc_dec(cmd.params[6], 48, 8);
obj_desc->label[15] = (char)mc_dec(cmd.params[6], 56, 8);
return 0;
}
EXPORT_SYMBOL(dprc_get_obj_desc);
/**
* dprc_set_obj_irq() - Set IRQ information for object to trigger an interrupt.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @obj_type: Type of the object to set its IRQ
* @obj_id: ID of the object to set its IRQ
* @irq_index: The interrupt index to configure
* @irq_cfg: IRQ configuration
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 irq_index,
struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_IRQ,
cmd_flags,
token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
cmd.params[0] |= mc_enc(0, 32, irq_cfg->val);
cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr);
cmd.params[2] |= mc_enc(0, 32, irq_cfg->irq_num);
cmd.params[2] |= mc_enc(32, 32, obj_id);
cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
cmd.params[4] |= mc_enc(56, 8, obj_type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
EXPORT_SYMBOL(dprc_set_obj_irq);
/**
* dprc_get_obj_irq() - Get IRQ information from 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 DPRC object
* @obj_type: Type od the object to get its IRQ
* @obj_id: ID of the object to get its IRQ
* @irq_index: The interrupt index to configure
* @type: Interrupt type: 0 represents message interrupt
* type (both irq_addr and irq_val are valid)
* @irq_cfg: The returned IRQ attributes
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_obj_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 irq_index,
int *type,
struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_IRQ,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, obj_id);
cmd.params[0] |= mc_enc(32, 8, irq_index);
cmd.params[1] |= mc_enc(0, 8, obj_type[0]);
cmd.params[1] |= mc_enc(8, 8, obj_type[1]);
cmd.params[1] |= mc_enc(16, 8, obj_type[2]);
cmd.params[1] |= mc_enc(24, 8, obj_type[3]);
cmd.params[1] |= mc_enc(32, 8, obj_type[4]);
cmd.params[1] |= mc_enc(40, 8, obj_type[5]);
cmd.params[1] |= mc_enc(48, 8, obj_type[6]);
cmd.params[1] |= mc_enc(56, 8, obj_type[7]);
cmd.params[2] |= mc_enc(0, 8, obj_type[8]);
cmd.params[2] |= mc_enc(8, 8, obj_type[9]);
cmd.params[2] |= mc_enc(16, 8, obj_type[10]);
cmd.params[2] |= mc_enc(24, 8, obj_type[11]);
cmd.params[2] |= mc_enc(32, 8, obj_type[12]);
cmd.params[2] |= mc_enc(40, 8, obj_type[13]);
cmd.params[2] |= mc_enc(48, 8, obj_type[14]);
cmd.params[2] |= mc_enc(56, 8, obj_type[15]);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32);
irq_cfg->paddr = (u64)mc_dec(cmd.params[1], 0, 64);
irq_cfg->irq_num = (int)mc_dec(cmd.params[2], 0, 32);
*type = (int)mc_dec(cmd.params[2], 32, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_obj_irq);
/**
* dprc_get_res_count() - Obtains the number of free resources that are assigned
* to this container, by pool type
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @type: pool type
* @res_count: Returned number of free resources of the given
* resource type that are assigned to this DPRC
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_res_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *type,
int *res_count)
{
struct mc_command cmd = { 0 };
int err;
*res_count = 0;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT,
cmd_flags, token);
cmd.params[1] |= mc_enc(0, 8, type[0]);
cmd.params[1] |= mc_enc(8, 8, type[1]);
cmd.params[1] |= mc_enc(16, 8, type[2]);
cmd.params[1] |= mc_enc(24, 8, type[3]);
cmd.params[1] |= mc_enc(32, 8, type[4]);
cmd.params[1] |= mc_enc(40, 8, type[5]);
cmd.params[1] |= mc_enc(48, 8, type[6]);
cmd.params[1] |= mc_enc(56, 8, type[7]);
cmd.params[2] |= mc_enc(0, 8, type[8]);
cmd.params[2] |= mc_enc(8, 8, type[9]);
cmd.params[2] |= mc_enc(16, 8, type[10]);
cmd.params[2] |= mc_enc(24, 8, type[11]);
cmd.params[2] |= mc_enc(32, 8, type[12]);
cmd.params[2] |= mc_enc(40, 8, type[13]);
cmd.params[2] |= mc_enc(48, 8, type[14]);
cmd.params[2] |= mc_enc(56, 8, '\0');
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*res_count = mc_dec(cmd.params[0], 0, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_res_count);
/**
* dprc_get_res_ids() - Obtains IDs of free resources in the container
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @type: pool type
* @range_desc: range descriptor
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_res_ids(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *type,
struct dprc_res_ids_range_desc *range_desc)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_IDS,
cmd_flags, token);
cmd.params[0] |= mc_enc(42, 7, range_desc->iter_status);
cmd.params[1] |= mc_enc(0, 32, range_desc->base_id);
cmd.params[1] |= mc_enc(32, 32, range_desc->last_id);
cmd.params[2] |= mc_enc(0, 8, type[0]);
cmd.params[2] |= mc_enc(8, 8, type[1]);
cmd.params[2] |= mc_enc(16, 8, type[2]);
cmd.params[2] |= mc_enc(24, 8, type[3]);
cmd.params[2] |= mc_enc(32, 8, type[4]);
cmd.params[2] |= mc_enc(40, 8, type[5]);
cmd.params[2] |= mc_enc(48, 8, type[6]);
cmd.params[2] |= mc_enc(56, 8, type[7]);
cmd.params[3] |= mc_enc(0, 8, type[8]);
cmd.params[3] |= mc_enc(8, 8, type[9]);
cmd.params[3] |= mc_enc(16, 8, type[10]);
cmd.params[3] |= mc_enc(24, 8, type[11]);
cmd.params[3] |= mc_enc(32, 8, type[12]);
cmd.params[3] |= mc_enc(40, 8, type[13]);
cmd.params[3] |= mc_enc(48, 8, type[14]);
cmd.params[3] |= mc_enc(56, 8, '\0');
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
range_desc->iter_status = mc_dec(cmd.params[0], 42, 7);
range_desc->base_id = mc_dec(cmd.params[1], 0, 32);
range_desc->last_id = mc_dec(cmd.params[1], 32, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_res_ids);
/**
* dprc_get_obj_region() - Get region information for a specified 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 DPRC object
* @obj_type; Object type as returned in dprc_get_obj()
* @obj_id: Unique object instance as returned in dprc_get_obj()
* @region_index: The specific region to query
* @region_desc: Returns the requested region descriptor
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 region_index,
struct dprc_region_desc *region_desc)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, obj_id);
cmd.params[0] |= mc_enc(48, 8, region_index);
cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
cmd.params[4] |= mc_enc(56, 8, '\0');
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
region_desc->base_offset = mc_dec(cmd.params[1], 0, 64);
region_desc->size = mc_dec(cmd.params[2], 0, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_obj_region);
/**
* dprc_set_obj_label() - Set object label.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @obj_type: Object's type
* @obj_id: Object's ID
* @label: The required label. The maximum length is 16 chars.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_set_obj_label(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
char *label)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_LABEL,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, obj_id);
cmd.params[1] |= mc_enc(0, 8, label[0]);
cmd.params[1] |= mc_enc(8, 8, label[1]);
cmd.params[1] |= mc_enc(16, 8, label[2]);
cmd.params[1] |= mc_enc(24, 8, label[3]);
cmd.params[1] |= mc_enc(32, 8, label[4]);
cmd.params[1] |= mc_enc(40, 8, label[5]);
cmd.params[1] |= mc_enc(48, 8, label[6]);
cmd.params[1] |= mc_enc(56, 8, label[7]);
cmd.params[2] |= mc_enc(0, 8, label[8]);
cmd.params[2] |= mc_enc(8, 8, label[9]);
cmd.params[2] |= mc_enc(16, 8, label[10]);
cmd.params[2] |= mc_enc(24, 8, label[11]);
cmd.params[2] |= mc_enc(32, 8, label[12]);
cmd.params[2] |= mc_enc(40, 8, label[13]);
cmd.params[2] |= mc_enc(48, 8, label[14]);
cmd.params[2] |= mc_enc(56, 8, label[15]);
cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
cmd.params[4] |= mc_enc(56, 8, obj_type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
EXPORT_SYMBOL(dprc_set_obj_label);
/**
* dprc_connect() - Connect two endpoints to create a network link between them
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @endpoint1: Endpoint 1 configuration parameters
* @endpoint2: Endpoint 2 configuration parameters
* @cfg: Connection configuration. The connection configuration is ignored for
* connections made to DPMAC objects, where rate is retrieved from the
* MAC configuration.
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_connect(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint1,
const struct dprc_endpoint *endpoint2,
const struct dprc_connection_cfg *cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
cmd.params[0] |= mc_enc(32, 32, endpoint1->if_id);
cmd.params[1] |= mc_enc(0, 32, endpoint2->id);
cmd.params[1] |= mc_enc(32, 32, endpoint2->if_id);
cmd.params[2] |= mc_enc(0, 8, endpoint1->type[0]);
cmd.params[2] |= mc_enc(8, 8, endpoint1->type[1]);
cmd.params[2] |= mc_enc(16, 8, endpoint1->type[2]);
cmd.params[2] |= mc_enc(24, 8, endpoint1->type[3]);
cmd.params[2] |= mc_enc(32, 8, endpoint1->type[4]);
cmd.params[2] |= mc_enc(40, 8, endpoint1->type[5]);
cmd.params[2] |= mc_enc(48, 8, endpoint1->type[6]);
cmd.params[2] |= mc_enc(56, 8, endpoint1->type[7]);
cmd.params[3] |= mc_enc(0, 8, endpoint1->type[8]);
cmd.params[3] |= mc_enc(8, 8, endpoint1->type[9]);
cmd.params[3] |= mc_enc(16, 8, endpoint1->type[10]);
cmd.params[3] |= mc_enc(24, 8, endpoint1->type[11]);
cmd.params[3] |= mc_enc(32, 8, endpoint1->type[12]);
cmd.params[3] |= mc_enc(40, 8, endpoint1->type[13]);
cmd.params[3] |= mc_enc(48, 8, endpoint1->type[14]);
cmd.params[3] |= mc_enc(56, 8, endpoint1->type[15]);
cmd.params[4] |= mc_enc(0, 32, cfg->max_rate);
cmd.params[4] |= mc_enc(32, 32, cfg->committed_rate);
cmd.params[5] |= mc_enc(0, 8, endpoint2->type[0]);
cmd.params[5] |= mc_enc(8, 8, endpoint2->type[1]);
cmd.params[5] |= mc_enc(16, 8, endpoint2->type[2]);
cmd.params[5] |= mc_enc(24, 8, endpoint2->type[3]);
cmd.params[5] |= mc_enc(32, 8, endpoint2->type[4]);
cmd.params[5] |= mc_enc(40, 8, endpoint2->type[5]);
cmd.params[5] |= mc_enc(48, 8, endpoint2->type[6]);
cmd.params[5] |= mc_enc(56, 8, endpoint2->type[7]);
cmd.params[6] |= mc_enc(0, 8, endpoint2->type[8]);
cmd.params[6] |= mc_enc(8, 8, endpoint2->type[9]);
cmd.params[6] |= mc_enc(16, 8, endpoint2->type[10]);
cmd.params[6] |= mc_enc(24, 8, endpoint2->type[11]);
cmd.params[6] |= mc_enc(32, 8, endpoint2->type[12]);
cmd.params[6] |= mc_enc(40, 8, endpoint2->type[13]);
cmd.params[6] |= mc_enc(48, 8, endpoint2->type[14]);
cmd.params[6] |= mc_enc(56, 8, endpoint2->type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_disconnect() - Disconnect one endpoint to remove its network connection
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @endpoint: Endpoint configuration parameters
*
* Return: '0' on Success; Error code otherwise.
*/
int dprc_disconnect(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint->id);
cmd.params[0] |= mc_enc(32, 32, endpoint->if_id);
cmd.params[1] |= mc_enc(0, 8, endpoint->type[0]);
cmd.params[1] |= mc_enc(8, 8, endpoint->type[1]);
cmd.params[1] |= mc_enc(16, 8, endpoint->type[2]);
cmd.params[1] |= mc_enc(24, 8, endpoint->type[3]);
cmd.params[1] |= mc_enc(32, 8, endpoint->type[4]);
cmd.params[1] |= mc_enc(40, 8, endpoint->type[5]);
cmd.params[1] |= mc_enc(48, 8, endpoint->type[6]);
cmd.params[1] |= mc_enc(56, 8, endpoint->type[7]);
cmd.params[2] |= mc_enc(0, 8, endpoint->type[8]);
cmd.params[2] |= mc_enc(8, 8, endpoint->type[9]);
cmd.params[2] |= mc_enc(16, 8, endpoint->type[10]);
cmd.params[2] |= mc_enc(24, 8, endpoint->type[11]);
cmd.params[2] |= mc_enc(32, 8, endpoint->type[12]);
cmd.params[2] |= mc_enc(40, 8, endpoint->type[13]);
cmd.params[2] |= mc_enc(48, 8, endpoint->type[14]);
cmd.params[2] |= mc_enc(56, 8, endpoint->type[15]);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dprc_get_connection() - Get connected endpoint and link status if connection
* exists.
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRC object
* @endpoint1: Endpoint 1 configuration parameters
* @endpoint2: Returned endpoint 2 configuration parameters
* @state: Returned link state:
* 1 - link is up;
* 0 - link is down;
* -1 - no connection (endpoint2 information is irrelevant)
*
* Return: '0' on Success; -ENAVAIL if connection does not exist.
*/
int dprc_get_connection(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint1,
struct dprc_endpoint *endpoint2,
int *state)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
cmd.params[0] |= mc_enc(32, 32, endpoint1->if_id);
cmd.params[1] |= mc_enc(0, 8, endpoint1->type[0]);
cmd.params[1] |= mc_enc(8, 8, endpoint1->type[1]);
cmd.params[1] |= mc_enc(16, 8, endpoint1->type[2]);
cmd.params[1] |= mc_enc(24, 8, endpoint1->type[3]);
cmd.params[1] |= mc_enc(32, 8, endpoint1->type[4]);
cmd.params[1] |= mc_enc(40, 8, endpoint1->type[5]);
cmd.params[1] |= mc_enc(48, 8, endpoint1->type[6]);
cmd.params[1] |= mc_enc(56, 8, endpoint1->type[7]);
cmd.params[2] |= mc_enc(0, 8, endpoint1->type[8]);
cmd.params[2] |= mc_enc(8, 8, endpoint1->type[9]);
cmd.params[2] |= mc_enc(16, 8, endpoint1->type[10]);
cmd.params[2] |= mc_enc(24, 8, endpoint1->type[11]);
cmd.params[2] |= mc_enc(32, 8, endpoint1->type[12]);
cmd.params[2] |= mc_enc(40, 8, endpoint1->type[13]);
cmd.params[2] |= mc_enc(48, 8, endpoint1->type[14]);
cmd.params[2] |= mc_enc(56, 8, endpoint1->type[15]);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
endpoint2->id = mc_dec(cmd.params[3], 0, 32);
endpoint2->if_id = mc_dec(cmd.params[3], 32, 32);
endpoint2->type[0] = mc_dec(cmd.params[4], 0, 8);
endpoint2->type[1] = mc_dec(cmd.params[4], 8, 8);
endpoint2->type[2] = mc_dec(cmd.params[4], 16, 8);
endpoint2->type[3] = mc_dec(cmd.params[4], 24, 8);
endpoint2->type[4] = mc_dec(cmd.params[4], 32, 8);
endpoint2->type[5] = mc_dec(cmd.params[4], 40, 8);
endpoint2->type[6] = mc_dec(cmd.params[4], 48, 8);
endpoint2->type[7] = mc_dec(cmd.params[4], 56, 8);
endpoint2->type[8] = mc_dec(cmd.params[5], 0, 8);
endpoint2->type[9] = mc_dec(cmd.params[5], 8, 8);
endpoint2->type[10] = mc_dec(cmd.params[5], 16, 8);
endpoint2->type[11] = mc_dec(cmd.params[5], 24, 8);
endpoint2->type[12] = mc_dec(cmd.params[5], 32, 8);
endpoint2->type[13] = mc_dec(cmd.params[5], 40, 8);
endpoint2->type[14] = mc_dec(cmd.params[5], 48, 8);
endpoint2->type[15] = mc_dec(cmd.params[5], 56, 8);
*state = mc_dec(cmd.params[6], 0, 32);
return 0;
}