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/**
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* 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 Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
*/
#ifndef LISTENER_BUF_H
#define LISTENER_BUF_H
#include "sbuf.h"
#include "remote.h"
#include "verify.h"
static __inline void pack_in_bufs(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii;
uint32_t len;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
len = (uint32_t)pra[ii].buf.nLen;
sbuf_write(buf, (uint8*)&len, 4);
if(len) {
sbuf_align(buf, 8);
sbuf_write(buf, pra[ii].buf.pv, len);
}
}
}
static __inline void pack_out_lens(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii;
uint32_t len;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
len = (uint32_t)pra[ii].buf.nLen;
sbuf_write(buf, (uint8*)&len, 4);
}
}
static __inline void unpack_in_bufs(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii;
uint32_t len=0;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
sbuf_read(buf, (uint8*)&len, 4);
pra[ii].buf.nLen = len;
if(pra[ii].buf.nLen) {
sbuf_align(buf, 8);
if((int)pra[ii].buf.nLen <= sbuf_left(buf)) {
pra[ii].buf.pv = sbuf_head(buf);
}
sbuf_advance(buf, pra[ii].buf.nLen);
}
}
}
static __inline void unpack_out_lens(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii;
uint32_t len=0;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
sbuf_read(buf, (uint8*)&len, 4);
pra[ii].buf.nLen = len;
}
}
//map out buffers on the hlos side to the remote_arg array
//dst is the space required for buffers we coun't map from the adsp
static __inline void pack_out_bufs(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii;
uint32_t len;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
len = (uint32_t)pra[ii].buf.nLen;
sbuf_write(buf, (uint8*)&len, 4);
if(pra[ii].buf.nLen) {
sbuf_align(buf, 8);
if((int)pra[ii].buf.nLen <= sbuf_left(buf)) {
pra[ii].buf.pv = sbuf_head(buf);
}
sbuf_advance(buf, pra[ii].buf.nLen);
}
}
}
//on the aDSP copy the data from buffers we had to copy to the local remote_arg structure
static __inline int unpack_out_bufs(struct sbuf* buf, remote_arg* pra, int nBufs) {
int ii, nErr = 0;
uint32_t len;
C_ASSERT(sizeof(len) == 4);
for(ii = 0; ii < nBufs; ++ii) {
sbuf_read(buf, (uint8*)&len, 4);
VERIFY(len == pra[ii].buf.nLen);
if(pra[ii].buf.nLen) {
sbuf_align(buf, 8);
sbuf_read(buf, pra[ii].buf.pv, pra[ii].buf.nLen);
}
}
bail:
return nErr;
}
#endif
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