You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
2.4 KiB
66 lines
2.4 KiB
/**************************************************************************
|
|
*
|
|
* Copyright (C) 2014 Red Hat Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
**************************************************************************/
|
|
#ifndef VREND_IOV_H
|
|
#define VREND_IOV_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "config.h"
|
|
|
|
#ifdef HAVE_SYS_UIO_H
|
|
#include <sys/uio.h>
|
|
#else
|
|
struct iovec {
|
|
void *iov_base;
|
|
size_t iov_len;
|
|
};
|
|
#endif
|
|
|
|
struct vrend_transfer_info {
|
|
int level;
|
|
uint32_t stride;
|
|
uint32_t layer_stride;
|
|
unsigned int iovec_cnt;
|
|
const struct iovec *iovec;
|
|
uint64_t offset;
|
|
struct pipe_box *box;
|
|
bool synchronized;
|
|
};
|
|
|
|
typedef void (*iov_cb)(void *cookie, unsigned int doff, void *src, int len);
|
|
|
|
size_t vrend_get_iovec_size(const struct iovec *iov, int iovlen);
|
|
size_t vrend_read_from_iovec(const struct iovec *iov, int iov_cnt,
|
|
size_t offset, char *buf, size_t bytes);
|
|
size_t vrend_write_to_iovec(const struct iovec *iov, int iov_cnt,
|
|
size_t offset, const char *buf, size_t bytes);
|
|
|
|
size_t vrend_read_from_iovec_cb(const struct iovec *iov, int iov_cnt,
|
|
size_t offset, size_t bytes, iov_cb iocb, void *cookie);
|
|
|
|
int vrend_copy_iovec(const struct iovec *src_iov, int src_iovlen, size_t src_offset,
|
|
const struct iovec *dst_iov, int dst_iovlen, size_t dst_offset,
|
|
size_t count, char *buf);
|
|
|
|
#endif
|
|
|