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/*
* Copyright (C) 2008-2013, NVIDIA Corporation. All rights reserved.
*
* Author:
* Ashutosh Patel <ashutoshp@nvidia.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.
*
* include/linux/efshlp.h - EFS filesystem helper Header file
*
*/
#ifndef _NVEFSHLP_H
#define _NVEFSHLP_H
#include <linux/ioctl.h>
#define MAX_BANKS 20
#define KB 1024UL
#define MB (KB*1024)
#define EFS_IOC_MAGIC 0x82
#define EFSHLP_INIT _IO(EFS_IOC_MAGIC, 1)
#define EFSHLP_DO_DMA _IO(EFS_IOC_MAGIC, 2)
#define EFSHLP_ALLOCBUF _IO(EFS_IOC_MAGIC, 3)
#define EFSHLP_BANKSWITCH _IO(EFS_IOC_MAGIC, 4)
#define EFSHLP_GET_ALLOC_SIZE _IO(EFS_IOC_MAGIC, 5)
#define FLASHDMA_DMABUFSIZE (4*KB)
#define FLASHDMA_TIMEOUT (60*HZ)
#define FLASH_DMA_NUM_PRIO 2
#define FLASH_DMA_PRIO_NORMAL 0
#define FLASH_DMA_PRIO_HIGH 1
#define FLASH_DMA_PRIO_DEFAULT FLASH_DMA_PRIO_NORMAL
struct efs_flash_info {
unsigned long long total_flash_size;
unsigned long long boot_part_ofs;
unsigned long boot_part_size;
unsigned long long kern_part_ofs;
unsigned long kern_part_size;
unsigned long user_part_ofs;
unsigned long long user_part_size;
unsigned long nbanks;
unsigned long bank_addr[MAX_BANKS];
unsigned long bank_size[MAX_BANKS];
unsigned long bank_switch_id[MAX_BANKS];
unsigned long erase_size;
};
struct efshlp_dma {
unsigned long bank;
unsigned long size;
unsigned long offset;
void *buf;
unsigned long prio;
};
struct efs_dma_handle {
dma_addr_t phyaddr;
void *virtaddr;
size_t size;
int mapcount;
short signature;
};
#endif
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