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/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
*/
#include "cxgb4.h"
#include "cudbg_if.h"
#include "cudbg_lib_common.h"
int cudbg_get_buff(struct cudbg_buffer *pdbg_buff, u32 size,
struct cudbg_buffer *pin_buff)
{
u32 offset;
offset = pdbg_buff->offset;
if (offset + size > pdbg_buff->size)
return CUDBG_STATUS_NO_MEM;
pin_buff->data = (char *)pdbg_buff->data + offset;
pin_buff->offset = offset;
pin_buff->size = size;
pdbg_buff->size -= size;
return 0;
}
void cudbg_put_buff(struct cudbg_buffer *pin_buff,
struct cudbg_buffer *pdbg_buff)
{
pdbg_buff->size += pin_buff->size;
pin_buff->data = NULL;
pin_buff->offset = 0;
pin_buff->size = 0;
}
void cudbg_update_buff(struct cudbg_buffer *pin_buff,
struct cudbg_buffer *pout_buff)
{
/* We already write to buffer provided by ethool, so just
* increment offset to next free space.
*/
pout_buff->offset += pin_buff->size;
}
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