kernel/drivers/scsi/megaraid/megaraid_mm.h
2024-07-22 17:22:30 +08:00

98 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
*
* Linux MegaRAID device driver
*
* Copyright (c) 2003-2004 LSI Logic Corporation.
*
* FILE : megaraid_mm.h
*/
#ifndef MEGARAID_MM_H
#define MEGARAID_MM_H
#include <linux/spinlock.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/miscdevice.h>
#include "mbox_defs.h"
#include "megaraid_ioctl.h"
#define LSI_COMMON_MOD_VERSION "2.20.2.7"
#define LSI_COMMON_MOD_EXT_VERSION \
"(Release Date: Sun Jul 16 00:01:03 EST 2006)"
#define LSI_DBGLVL dbglevel
// The smallest dma pool
#define MRAID_MM_INIT_BUFF_SIZE 4096
/**
* mimd_t : Old style ioctl packet structure (deprecated)
*
* @inlen :
* @outlen :
* @fca :
* @opcode :
* @subopcode :
* @adapno :
* @buffer :
* @pad :
* @length :
* @mbox :
* @pthru :
* @data :
* @pad :
*
* Note : This structure is DEPRECATED. New applications must use
* : uioc_t structure instead. All new hba drivers use the new
* : format. If we get this mimd packet, we will convert it into
* : new uioc_t format and send it to the hba drivers.
*/
typedef struct mimd {
uint32_t inlen;
uint32_t outlen;
union {
uint8_t fca[16];
struct {
uint8_t opcode;
uint8_t subopcode;
uint16_t adapno;
#if BITS_PER_LONG == 32
uint8_t __user *buffer;
uint8_t pad[4];
#endif
#if BITS_PER_LONG == 64
uint8_t __user *buffer;
#endif
uint32_t length;
} __attribute__ ((packed)) fcs;
} __attribute__ ((packed)) ui;
uint8_t mbox[18]; /* 16 bytes + 2 status bytes */
mraid_passthru_t pthru;
#if BITS_PER_LONG == 32
char __user *data; /* buffer <= 4096 for 0x80 commands */
char pad[4];
#endif
#if BITS_PER_LONG == 64
char __user *data;
#endif
} __attribute__ ((packed))mimd_t;
#endif // MEGARAID_MM_H
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