qcacmn: Add support for target interface for components
Add support for target interface for components. Change-Id: Id9d642a3369aa881a56a54ff99af135c3feb6584 CRs-Fixed: 2002100
This commit is contained in:
Mukul Sharma
Amar Singhal
parent
4e411106c5
commit
4c303439a7
117
target_if/core/inc/target_if.h
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117
target_if/core/inc/target_if.h
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/*
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* Copyright (c) 2017 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: This target interface shall be used
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* to communicate with target using WMI.
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*/
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#ifndef _WLAN_TARGET_IF_H_
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#define _WLAN_TARGET_IF_H_
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#include "qdf_types.h"
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#include "qdf_util.h"
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#include "wlan_objmgr_psoc_obj.h"
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/* ASCII "TGT\0" */
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#define TGT_MAGIC 0x54575400
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#define target_if_log(level, args...) \
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QDF_TRACE(QDF_MODULE_ID_TARGET_IF, level, ## args)
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#define target_if_logfl(level, format, args...) \
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target_if_log(level, FL(format), ## args)
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#define target_if_fatal(format, args...) \
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target_if_logfl(QDF_TRACE_LEVEL_FATAL, format, ## args)
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#define target_if_err(format, args...) \
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target_if_logfl(QDF_TRACE_LEVEL_ERROR, format, ## args)
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#define target_if_warn(format, args...) \
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target_if_logfl(QDF_TRACE_LEVEL_WARN, format, ## args)
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#define target_if_info(format, args...) \
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target_if_logfl(QDF_TRACE_LEVEL_INFO, format, ## args)
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#define target_if_debug(format, args...) \
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target_if_logfl(QDF_TRACE_LEVEL_DEBUG, format, ## args)
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#define TARGET_IF_ENTER() target_if_logfl(QDF_TRACE_LEVEL_INFO, "enter")
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#define TARGET_IF_EXIT() target_if_logfl(QDF_TRACE_LEVEL_INFO, "exit")
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#define GET_WMI_HDL_FROM_PSOC(psoc) (psoc->tgt_if_handle)
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typedef struct wlan_objmgr_psoc *(*get_psoc_handle_callback)(
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void *scn_handle);
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/**
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* struct target_if_ctx - target_interface context
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* @magic: magic for target if ctx
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* @get_wmi_handle: function pointer to get wmi handle
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* @lock: spin lock for protecting the ctx
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*/
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struct target_if_ctx {
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uint32_t magic;
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get_psoc_handle_callback get_psoc_hdl_cb;
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qdf_spinlock_t lock;
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};
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/**
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* target_if_open() - target_if open
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* @get_wmi_handle: function pointer to get wmi handle
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*
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*
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* Return: QDF_STATUS
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*/
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QDF_STATUS target_if_open(get_psoc_handle_callback psoc_hdl_cb);
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/**
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* target_if_close() - Close target_if
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* @scn_handle: scn handle
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*
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* Return: QDF_STATUS_SUCCESS - in case of success
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*/
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QDF_STATUS target_if_close(void);
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/**
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* wlan_get_tgt_if_ctx() -Get target if ctx
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*
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* Return: target if ctx
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*/
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struct target_if_ctx *target_if_get_ctx(void);
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/**
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* target_if_get_psoc_from_scn_hdl() - get psoc from scn handle
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* @scn_handle: scn handle
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*
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* This API is generally used while processing wmi event.
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* In wmi event SCN handle will be passed by wmi hence
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* using this API we can get psoc from scn handle.
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*
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* Return: index for matching scn handle
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*/
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struct wlan_objmgr_psoc *target_if_get_psoc_from_scn_hdl(void *scn_handle);
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/** target_if_register_tx_ops() - register tx_ops
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* @tx_ops: tx_ops structure
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*
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* This function is to be used by components to populate
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* the OL function pointers (tx_ops) required by the component
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* for UMAC-LMAC interaction, with the appropriate handler
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*
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* Return: QDF STATUS
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*/
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QDF_STATUS target_if_register_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops);
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#endif
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95
target_if/core/src/target_if_main.c
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95
target_if/core/src/target_if_main.c
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@ -0,0 +1,95 @@
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/*
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* Copyright (c) 2017 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: API for interacting with target interface.
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*
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*/
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#include "target_if.h"
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static struct target_if_ctx *g_target_if_ctx;
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struct target_if_ctx *target_if_get_ctx()
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{
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return g_target_if_ctx;
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}
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struct wlan_objmgr_psoc *target_if_get_psoc_from_scn_hdl(void *scn_handle)
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{
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struct wlan_objmgr_psoc *psoc;
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qdf_spin_lock_bh(&g_target_if_ctx->lock);
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if (scn_handle && g_target_if_ctx->get_psoc_hdl_cb)
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psoc = g_target_if_ctx->get_psoc_hdl_cb(scn_handle);
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else
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psoc = NULL;
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qdf_spin_unlock_bh(&g_target_if_ctx->lock);
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return psoc;
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}
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EXPORT_SYMBOL(target_if_get_psoc_from_scn_hdl);
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QDF_STATUS target_if_open(get_psoc_handle_callback psoc_hdl_cb)
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{
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g_target_if_ctx = qdf_mem_malloc(sizeof(*g_target_if_ctx));
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if (!g_target_if_ctx) {
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target_if_err("Cannot allocate target if ctx");
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QDF_ASSERT(0);
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return QDF_STATUS_E_NOMEM;
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}
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qdf_spinlock_create(&g_target_if_ctx->lock);
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qdf_spin_lock_bh(&g_target_if_ctx->lock);
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g_target_if_ctx->magic = TGT_MAGIC;
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g_target_if_ctx->get_psoc_hdl_cb = psoc_hdl_cb;
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qdf_spin_unlock_bh(&g_target_if_ctx->lock);
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return QDF_STATUS_SUCCESS;
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}
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EXPORT_SYMBOL(target_if_open);
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QDF_STATUS target_if_close(void)
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{
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if (!g_target_if_ctx) {
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QDF_ASSERT(0);
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target_if_err("target if ctx is null");
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return QDF_STATUS_E_INVAL;
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}
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qdf_spin_lock_bh(&g_target_if_ctx->lock);
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g_target_if_ctx->magic = 0;
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g_target_if_ctx->get_psoc_hdl_cb = NULL;
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qdf_spin_unlock_bh(&g_target_if_ctx->lock);
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qdf_spinlock_destroy(&g_target_if_ctx->lock);
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qdf_mem_free(g_target_if_ctx);
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g_target_if_ctx = NULL;
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return QDF_STATUS_SUCCESS;
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}
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EXPORT_SYMBOL(target_if_close);
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QDF_STATUS target_if_register_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops)
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{
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return QDF_STATUS_SUCCESS;
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}
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EXPORT_SYMBOL(target_if_register_tx_ops);
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