| /** |
| * 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 |