qcacmn: Create serialization component's public API

Define the public APIs for serialization component for other
components to use.

Change-Id: I66c8fd2c85aaf7b78f98ea6a273784fa253969b6
CRs-Fixed: 2000032
This commit is contained in:
Krunal Soni 2017-02-01 14:46:28 -08:00 • committed by qcabuildsw
commit 748e6b76a1
2 changed files with 502 additions and 0 deletions

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/*
* Copyright (c) 2017 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: wlan_serialization_api.h
* This file provides prototypes of the routines needed for the
* external components to utilize the services provided by the
* serialization component.
*/
/* Include files */
#ifndef __WLAN_SERIALIZATION_API_H
#define __WLAN_SERIALIZATION_API_H
#include "qdf_status.h"
#include "wlan_objmgr_cmn.h"
/* Preprocessor Definitions and Constants */
/*
* struct wlan_serialization_queued_cmd_info member queue_type specifies the
* below values to cancel the commands in these queues. Setting both the
* bits will cancel the commands in both the queues.
*/
#define WLAN_SERIALIZATION_ACTIVE_QUEUE 0x1
#define WLAN_SERIALIZATION_PENDING_QUEUE 0x2
/**
* enum wlan_serialization_cb_reason - reason for calling the callback
* WLAN_SERIALIZATION_REASON_ACTIVATE_CMD: activate the cmd by sending it to FW
* WLAN_SERIALIZATION_REASON_CANCEL_CMD: Cancel the cmd in the pending list
* WLAN_SERIALIZATION_REASON_RELEASE_MEM_CMD:cmd execution complete. Release
* the memory allocated while
* building the command
*/
enum wlan_serialization_cb_reason {
WLAN_SER_CB_ACTIVATE_CMD,
WLAN_SER_CB_CANCEL_CMD,
WLAN_SER_CB_RELEASE_MEM_CMD,
};
/**
* struct wlan_serialization_scan_info - Information needed for scan cmd
* @is_cac_in_progress: boolean to check the cac status
*
* This information is needed for scan command from other components
* to apply the rules and check whether the cmd is allowed or not
*/
struct wlan_serialization_scan_info {
bool is_cac_in_progress;
};
/**
* union wlan_serialization_rules_info - union of all rules info structures
* @scan_info: information needed to apply rules on scan command
*/
union wlan_serialization_rules_info {
struct wlan_serialization_scan_info scan_info;
};
/**
* wlan_serialization_cmd_callback() - Callback registered by the component
* @wlan_cmd: Command passed by the component for serialization
* @reason: Reason code for which the callback is being called
*
* Reason specifies the reason for which the callback is being called
*
* Return: None
*/
typedef void (*wlan_serialization_cmd_callback)(
void *wlan_cmd, enum wlan_serialization_cb_reason reason);
/**
* wlan_serialization_active_cmd_timeout_callback() - callback for cmd timeout
* @wlan_cmd: Command that has timed out
*
* Return: None
*/
typedef void (*wlan_serialization_active_cmd_timeout_callback)(
void *wlan_cmd);
/**
* wlan_serialization_comp_info_cb() - callback to fill the rules information
* @comp_info: Information filled by the component
*
* This callback is registered dynamically by the component with the
* serialization component. Serialization component invokes the callback
* while applying the rules for a particular command and the component
* fills in the required information to apply the rules
*
* Return: None
*/
typedef void (*wlan_serialization_comp_info_cb)(
union wlan_serialization_rules_info *comp_info);
/**
* wlan_serialization_apply_rules_cb() - callback per command to apply rules
* @comp_info: information needed to apply the rules
*
* The rules are applied using this callback and decided whether to
* allow or deny the command
*
* Return: true, if rules are successfull and cmd can be queued
* false, if rules failed and cmd should not be queued
*/
typedef bool (*wlan_serialization_apply_rules_cb)(
union wlan_serialization_rules_info *comp_info);
/**
* enum wlan_umac_cmd_id - Command Type
* @WLAN_SER_CMD_SCAN: Scan command
*/
enum wlan_serialization_cmd_type {
WLAN_SER_CMD_SCAN,
WLAN_SER_CMD_MAX,
};
/**
* enum wlan_serialization_cancel_type - Type of commands to be cancelled
* @WLAN_SER_CANCEL_SINGLE_SCAN: Cancel a single scan with a given ID
* @WLAN_SER_CANCEL_PDEV_SCANS: Cancel all the scans on a given pdev
* @WLAN_SER_CANCEL_VDEV_SCANS: Cancel all the scans on given vdev
* @WLAN_SER_CANCEL_NON_SCAN_CMD: Cancel the given non scan command
*/
enum wlan_serialization_cancel_type {
WLAN_SER_CANCEL_SINGLE_SCAN,
WLAN_SER_CANCEL_PDEV_SCANS,
WLAN_SER_CANCEL_VDEV_SCANS,
WLAN_SER_CANCEL_NON_SCAN_CMD,
WLAN_SER_CANCEL_MAX,
};
/**
* enum wlan_serialization_status - Return status of cmd serialization request
* @WLAN_SER_CMD_PENDING: Command is put into the pending queue
* @WLAN_SER_CMD_ACTIVE: Command is activated and put in active queue
* @WLAN_SER_CMD_DENIED_RULES_FAILED: Command denied as the rules fail
* @WLAN_SER_CMD_DENIED_LIST_FULL: Command denied as the pending list is full
* @WLAN_SER_CMD_DENIED_UNSPECIFIED: Command denied due to unknown reason
*/
enum wlan_serialization_status {
WLAN_SER_CMD_PENDING,
WLAN_SER_CMD_ACTIVE,
WLAN_SER_CMD_DENIED_RULES_FAILED,
WLAN_SER_CMD_DENIED_LIST_FULL,
WLAN_SER_CMD_DENIED_UNSPECIFIED,
};
/**
* enum wlan_serialization_cmd_status - Return status for a cancel request
* @WLAN_SER_CMD_IN_PENDING_LIST: Command cancelled from pending list
* @WLAN_SER_CMD_IN_ACTIVE_LIST: Command cancelled from active list
* @WLAN_SER_CMDS_IN_ALL_LISTS: Command cancelled from all lists
* @WLAN_SER_CMD_NOT_FOUND: Specified command to be cancelled
* not found in the lists
*/
enum wlan_serialization_cmd_status {
WLAN_SER_CMD_IN_PENDING_LIST,
WLAN_SER_CMD_IN_ACTIVE_LIST,
WLAN_SER_CMDS_IN_ALL_LISTS,
WLAN_SER_CMD_NOT_FOUND,
};
/**
* union wlan_serialization_obj_context - Object associated to the command
* @pdev: PDEV object associated to the command
* @vdev: VDEV object associated to the command
*
* Object passed for the command
* This is an agreement between the component and serialization as to which
* object is being passed. A copy of this command is maintained by
* serialization as part of queuing the command. So, the object ref count has
* to be maintained while queuing and released during cancellation/dequeuing/
* flushing the command.
*/
union wlan_serialization_obj_context {
struct wlan_objmgr_pdev *pdev;
struct wlan_objmgr_vdev *vdev;
};
/**
* struct wlan_serialization_command - Command to be serialized
* @wlan_serialization_cmd_type: Type of command
* @cmd_id: Command Identifier
* @cmd_cb: Command callback
* @source: component ID of the source of the command
* @is_high_priority: Normal/High Priority at which the cmd has to be queued
* @cmd_timeout_cb: Command timeout callback
* @cmd_timeout_duration: Timeout duration in milliseconds
* @obj_ctxt: Object passed for the command
* @umac_cmd: Actual command that needs to be sent to WMI/firmware
*/
struct wlan_serialization_command {
enum wlan_serialization_cmd_type cmd_type;
uint16_t cmd_id;
wlan_serialization_cmd_callback cmd_cb;
uint8_t source;
uint8_t is_high_priority;
wlan_serialization_active_cmd_timeout_callback cmd_timeout_cb;
uint16_t cmd_timeout_duration;
union wlan_serialization_obj_context obj_ctxt;
void *umac_cmd;
};
/**
* struct wlan_serialization_queued_cmd_info - cmd that has to be cancelled
* @requestor: component ID of the source requesting this action
* @cmd_type: Command type
* @cmd_id: Command ID
* @req_type: Commands that need to be cancelled
* @obj_ctxt: PDEV/VDEV object on which the commands need to be cancelled
* @queue_type: Queues from which the command to be cancelled
*/
struct wlan_serialization_queued_cmd_info {
uint8_t requestor;
enum wlan_serialization_cmd_type cmd_type;
uint16_t cmd_id;
enum wlan_serialization_cancel_type req_type;
union wlan_serialization_obj_context obj_ctxt;
uint8_t queue_type;
};
/**
* wlan_serialization_cancel_request() - Request to cancel a command
* @req: Request information
*
* This API is used by external components to cancel a command
* that is either in the pending or active queue. Based on the
* req_type, it is decided whether to use pdev or vdev
* object. For all non-scan commands, it will be pdev.
*
* Return: Status specifying the removal of a command from a certain queue
*/
enum wlan_serialization_cmd_status
wlan_serialization_cancel_request(
struct wlan_serialization_queued_cmd_info *req);
/**
* wlan_serialization_remove_cmd() - Request to release a command
* @cmd: Command information
*
* This API is used to release a command sitting in the active
* queue upon successful completion of the command
*
* Return: None
*/
void wlan_serialization_remove_cmd(
struct wlan_serialization_queued_cmd_info *cmd);
/**
* wlan_serialization_flush_cmd() - Request to flush command
* @cmd: Command information
*
* This API is used to flush a cmd sitting in the queue. It
* simply flushes the cmd from the queue and does not call
* any callbacks in between. If the request is for active
* queue, and if the active queue becomes empty upon flush,
* then it will pick the next pending cmd and put in the active
* queue before returning.
*
* Return: None
*/
void wlan_serialization_flush_cmd(
struct wlan_serialization_queued_cmd_info *cmd);
/**
* wlan_serialization_request() - Request to serialize a command
* @cmd: Command information
*
* Return: Status of the serialization request
*/
enum wlan_serialization_status
wlan_serialization_request(struct wlan_serialization_command *cmd);
/**
* wlan_serialization_register_comp_info_cb() - Register component's info
* callback
* @psoc: PSOC object information
* @comp_id: Component ID
* @cmd_id: Command ID
* @cb: Callback
*
* This is called from component during its initialization.It initializes
* callback handler for given comp_id/cmd_id in a 2-D array.
*
* Return: QDF Status
*/
QDF_STATUS
wlan_serialization_register_comp_info_cb(struct wlan_objmgr_psoc *psoc,
enum wlan_umac_comp_id comp_id,
enum wlan_serialization_cmd_type cmd_id,
wlan_serialization_comp_info_cb cb);
/**
* wlan_serialization_deregister_comp_info_cb() - Deregister component's info
* callback
* @psoc: PSOC object information
* @comp_id: Component ID
* @cmd_id: Command ID
*
* This routine is called from other component during its de-initialization.
*
* Return: QDF Status
*/
QDF_STATUS
wlan_serialization_deregister_comp_info_cb(struct wlan_objmgr_psoc *psoc,
enum wlan_umac_comp_id comp_id,
enum wlan_serialization_cmd_type cmd_id);
/**
* @wlan_serialization_init() - Serialization component initialization routine
*
* Return - QDF Status
*/
QDF_STATUS wlan_serialization_init(void);
/**
* @wlan_serialization_deinit() - Serialization component de-init routine
*
* Return - QDF Status
*/
QDF_STATUS wlan_serialization_deinit(void);
/**
* @wlan_serialization_psoc_open() - Serialization component open routine
*
* Return - QDF Status
*/
QDF_STATUS wlan_serialization_psoc_open(struct wlan_objmgr_psoc *psoc);
/**
* @wlan_serialization_psoc_close() - Serialization component close routine
*
* Return - QDF Status
*/
QDF_STATUS wlan_serialization_psoc_close(struct wlan_objmgr_psoc *psoc);
/**
* wlan_serialization_vdev_scan_status() - Return the status of the vdev scan
* @vdev: VDEV Object
*
* Return: Status of the scans for the corresponding vdev
*/
enum wlan_serialization_cmd_status
wlan_serialization_vdev_scan_status(struct wlan_objmgr_vdev *vdev);
/**
* wlan_serialization_pdev_scan_status() - Return the status of the pdev scan
* @pdev: PDEV Object
*
* Return: Status of the scans for the corresponding pdev
*/
enum wlan_serialization_cmd_status
wlan_serialization_pdev_scan_status(struct wlan_objmgr_pdev *pdev);
/**
* wlan_serialization_non_scan_cmd_status() - Return status of pdev non-scan cmd
* @pdev: PDEV Object
* @cmd_id: ID of the command for which the status has to be checked
*
* Return: Status of the command for the corresponding pdev
*/
enum wlan_serialization_cmd_status
wlan_serialization_non_scan_cmd_status(struct wlan_objmgr_pdev *pdev,
enum wlan_serialization_cmd_type cmd_id);
#endif

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/*
* Copyright (c) 2017 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: wlan_serialization_api.c
* This file provides an interface for the external components
* to utilize the services provided by the serialization
* component.
*/
/* Include files */
#include "wlan_objmgr_psoc_obj.h"
#include "wlan_serialization_main_i.h"
QDF_STATUS
wlan_serialization_register_comp_info_cb(struct wlan_objmgr_psoc *psoc,
enum wlan_umac_comp_id comp_id,
enum wlan_serialization_cmd_type cmd_type,
wlan_serialization_comp_info_cb cb)
{
struct wlan_serialization_psoc_priv_obj *ser_soc_obj;
QDF_STATUS status;
status = wlan_serialization_validate_cmd(comp_id, cmd_type);
if (status != QDF_STATUS_SUCCESS)
return status;
ser_soc_obj = wlan_serialization_get_psoc_priv_obj(psoc);
ser_soc_obj->comp_info_cb[cmd_type][comp_id] = cb;
return QDF_STATUS_SUCCESS;
}
QDF_STATUS
wlan_serialization_deregister_comp_info_cb(struct wlan_objmgr_psoc *psoc,
enum wlan_umac_comp_id comp_id,
enum wlan_serialization_cmd_type cmd_type)
{
struct wlan_serialization_psoc_priv_obj *ser_soc_obj;
QDF_STATUS status;
status = wlan_serialization_validate_cmd(comp_id, cmd_type);
if (status != QDF_STATUS_SUCCESS)
return status;
ser_soc_obj = wlan_serialization_get_psoc_priv_obj(psoc);
ser_soc_obj->comp_info_cb[cmd_type][comp_id] = NULL;
return QDF_STATUS_SUCCESS;
}
enum wlan_serialization_cmd_status
wlan_serialization_vdev_scan_status(struct wlan_objmgr_vdev *vdev)
{
serialization_info("vdev scan status entry");
return WLAN_SER_CMD_NOT_FOUND;
}
enum wlan_serialization_cmd_status
wlan_serialization_pdev_scan_status(struct wlan_objmgr_pdev *pdev)
{
serialization_info("pdev scan status entry");
return WLAN_SER_CMD_NOT_FOUND;
}
enum wlan_serialization_cmd_status
wlan_serialization_non_scan_cmd_status(struct wlan_objmgr_pdev *pdev,
enum wlan_serialization_cmd_type cmd_id)
{
serialization_info("pdev non cmd status entry");
return WLAN_SER_CMD_NOT_FOUND;
}
enum wlan_serialization_cmd_status
wlan_serialization_cancel_request(
struct wlan_serialization_queued_cmd_info *req)
{
serialization_info("serialization cancel request entry");
return WLAN_SER_CMD_NOT_FOUND;
}
void wlan_serialization_remove_cmd(
struct wlan_serialization_queued_cmd_info *cmd)
{
serialization_info("serialization remove request entry");
return;
}
enum wlan_serialization_status
wlan_serialization_request(struct wlan_serialization_command *cmd)
{
serialization_info("serialization queue cmd entry");
return WLAN_SER_CMD_NOT_FOUND;
}
void wlan_serialization_flush_cmd(
struct wlan_serialization_queued_cmd_info *cmd)
{
serialization_info("serialization cmd flushed");
return;
}