blob: 2068fb9c11502c4b1b315b844c3dda9de2a977e0 [file] [log] [blame]
/*
* MBox Daemon Test File
*
* Copyright 2017 IBM
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <linux/types.h>
#include <mtd/mtd-user.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
#include "linux/aspeed-lpc-ctrl.h"
static struct aspeed_lpc_ctrl_mapping ctrl = {
};
static struct mtd_info_user mtd = {
.type = MTD_NORFLASH,
.flags = MTD_WRITEABLE,
};
void system_set_reserved_size(uint32_t size)
{
ctrl.size = size;
}
void system_set_mtd_sizes(uint32_t size, uint32_t erasesize)
{
mtd.size = size;
mtd.erasesize = erasesize;
mtd.writesize = erasesize;
}
int ioctl(int fd, unsigned long request, ...)
{
int rc = 0;
va_list ap;
switch (request) {
case MEMGETINFO:
{
struct mtd_info_user *info;
va_start(ap, request);
info = va_arg(ap, struct mtd_info_user *);
memcpy(info, &mtd, sizeof(mtd));
va_end(ap);
break;
}
case MEMERASE:
{
struct erase_info_user *info;
uint8_t *map;
va_start(ap, request);
info = va_arg(ap, struct erase_info_user *);
if (info->start + info->length > mtd.size)
return -1;
map = mmap(NULL, mtd.size, PROT_WRITE, MAP_SHARED, fd, 0);
if (map == MAP_FAILED)
return -1;
memset(&map[info->start], 0xff, info->length);
munmap(map, mtd.size);
va_end(ap);
break;
}
case ASPEED_LPC_CTRL_IOCTL_GET_SIZE:
{
struct aspeed_lpc_ctrl_mapping *info;
va_start(ap, request);
info = va_arg(ap, struct aspeed_lpc_ctrl_mapping *);
info->size = ctrl.size;
va_end(ap);
break;
}
case ASPEED_LPC_CTRL_IOCTL_MAP:
break;
default:
printf("ioctl() called with unhandled request 0x%08lx\n", request);
rc = -1;
break;
}
return rc;
}