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/*
* Copyright 2017 Red Hat Inc.
*
* 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.
*
* Authors: Jérôme Glisse <jglisse@redhat.com>
*/
#ifndef COMPOTE_H
#define COMPOTE_H
#include <stdint.h>
typedef struct {
int fd;
} compote_context_t;
typedef struct {
uint64_t foffset;
uint64_t nbytes;
void *ptr;
} compote_mo_t;
int compote_context_new(compote_context_t **ctxp);
void compote_context_del(compote_context_t **ctxp);
int compote_context_ioctl(compote_context_t *ctx, int command, void *arg);
int compote_mo_new(compote_context_t *ctx, compote_mo_t **mop, uint64_t nbytes);
void compote_mo_del(compote_context_t *ctx, compote_mo_t **mop);
static inline uint64_t compote_mo_gpu_addr(compote_mo_t *mo)
{
if (mo == NULL || mo->ptr == NULL) {
return -1UL;
}
return (unsigned long)mo->ptr;
}
#endif // COMPOTE_H
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