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/*
* yagl
*
* Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
*
* Contact:
* Stanislav Vorobiov <s.vorobiov@samsung.com>
* Jinhyung Jo <jinhyung.jo@samsung.com>
* YeongKyoon Lee <yeongkyoon.lee@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributors:
* - S-Core Co., Ltd
*
*/
#ifndef _QEMU_YAGL_TRANSPORT_H
#define _QEMU_YAGL_TRANSPORT_H
#include "yagl_types.h"
#include "yagl_vector.h"
#define YAGL_TRANSPORT_MAX_IN 8
#define YAGL_TRANSPORT_MAX_OUT 8
struct yagl_mem_transfer;
struct yagl_transport_in_array
{
struct yagl_mem_transfer *mt;
struct yagl_vector v;
uint32_t page_index;
uint8_t *ptr;
int32_t el_size;
int32_t *count;
};
struct yagl_transport
{
/*
* per-batch.
* @{
*/
uint8_t **pages;
uint32_t offset;
uint32_t page_index;
uint8_t *next_page;
uint8_t *ptr;
/*
* @}
*/
/*
* per-call.
* @{
*/
bool direct;
uint32_t *res;
uint32_t num_out_arrays;
uint32_t num_in_arrays;
struct yagl_vector out_arrays[YAGL_TRANSPORT_MAX_OUT];
struct yagl_transport_in_array in_arrays[YAGL_TRANSPORT_MAX_IN];
/*
* @}
*/
};
struct yagl_transport *yagl_transport_create(void);
void yagl_transport_destroy(struct yagl_transport *t);
void yagl_transport_begin(struct yagl_transport *t,
uint8_t **pages,
uint32_t offset);
void yagl_transport_begin_call(struct yagl_transport *t,
yagl_api_id *api_id,
yagl_func_id *func_id);
void yagl_transport_end_call(struct yagl_transport *t);
uint32_t yagl_transport_bytes_processed(struct yagl_transport *t);
bool yagl_transport_get_out_array(struct yagl_transport *t,
int32_t el_size,
const void **data,
int32_t *count);
bool yagl_transport_get_in_array(struct yagl_transport *t,
int32_t el_size,
void **data,
int32_t *maxcount,
int32_t **count);
static __inline void yagl_transport_advance(struct yagl_transport *t,
uint32_t size)
{
t->ptr += size;
if (t->ptr >= t->next_page) {
uint32_t offset = t->ptr - t->next_page;
t->page_index += 1 + (offset / TARGET_PAGE_SIZE);
t->ptr = t->pages[t->page_index] + (offset & ~TARGET_PAGE_MASK);
t->next_page = t->pages[t->page_index] + TARGET_PAGE_SIZE;
}
}
static __inline uint8_t yagl_transport_get_out_uint8_t(struct yagl_transport *t)
{
uint8_t tmp = *t->ptr;
yagl_transport_advance(t, 8);
return tmp;
}
static __inline uint32_t yagl_transport_get_out_uint32_t(struct yagl_transport *t)
{
uint32_t tmp = *(uint32_t*)t->ptr;
yagl_transport_advance(t, 8);
return tmp;
}
static __inline float yagl_transport_get_out_float(struct yagl_transport *t)
{
float tmp = *(float*)t->ptr;
yagl_transport_advance(t, 8);
return tmp;
}
static __inline void yagl_transport_get_in_arg(struct yagl_transport *t,
void **value)
{
target_ulong va = (target_ulong)yagl_transport_get_out_uint32_t(t);
if (va) {
*value = t->ptr;
yagl_transport_advance(t, 8);
} else {
*value = NULL;
}
}
static __inline yagl_host_handle yagl_transport_get_out_yagl_host_handle(struct yagl_transport *t)
{
return yagl_transport_get_out_uint32_t(t);
}
static __inline yagl_winsys_id yagl_transport_get_out_yagl_winsys_id(struct yagl_transport *t)
{
return yagl_transport_get_out_uint32_t(t);
}
static __inline target_ulong yagl_transport_get_out_va(struct yagl_transport *t)
{
return (target_ulong)yagl_transport_get_out_uint32_t(t);
}
#endif
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