mrsas_ioctl.h revision 275976 
1/*
2 * Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
3 * Support: freebsdraid@lsi.com
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer. 2. Redistributions
11 * in binary form must reproduce the above copyright notice, this list of
12 * conditions and the following disclaimer in the documentation and/or other
13 * materials provided with the distribution. 3. Neither the name of the
14 * <ORGANIZATION> nor the names of its contributors may be used to endorse or
15 * promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 * The views and conclusions contained in the software and documentation are
31 * those of the authors and should not be interpreted as representing
32 * official policies,either expressed or implied, of the FreeBSD Project.
33 *
34 * Send feedback to: <megaraidfbsd@lsi.com> Mail to: LSI Corporation, 1621
35 * Barber Lane, Milpitas, CA 95035 ATTN: MegaRaid FreeBSD
36 *
37 */
38
39#include <sys/cdefs.h>
40__FBSDID("$FreeBSD: stable/10/sys/dev/mrsas/mrsas_ioctl.h 275976 2014-12-21 02:35:22Z smh $");
41
42#ifndef MRSAS_IOCTL_H
43#define	MRSAS_IOCTL_H
44
45#ifndef _IOWR
46#include <sys/ioccom.h>
47#endif					/* !_IOWR */
48
49#ifdef COMPAT_FREEBSD32
50/* Compilation error FIX */
51#if (__FreeBSD_version <= 900000)
52#include <sys/socket.h>
53#endif
54#include <sys/mount.h>
55#include <compat/freebsd32/freebsd32.h>
56#endif
57
58/*
59 * We need to use the same values as the mfi driver until MegaCli adds
60 * support for this (mrsas) driver: M is for MegaRAID. (This is typically the
61 * vendor or product initial) 1 arbitrary. (This may be used to segment kinds
62 * of commands.  (1-9 status, 10-20 policy, etc.) struct mrsas_iocpacket
63 * (sizeof() this parameter will be used.) These three values are encoded
64 * into a somewhat unique, 32-bit value.
65 */
66
67#define	MRSAS_IOC_FIRMWARE_PASS_THROUGH64	_IOWR('M', 1, struct mrsas_iocpacket)
68#ifdef COMPAT_FREEBSD32
69#define	MRSAS_IOC_FIRMWARE_PASS_THROUGH32	_IOWR('M', 1, struct mrsas_iocpacket32)
70#endif
71
72#define	MRSAS_IOC_SCAN_BUS		_IO('M',  10)
73
74#define	MRSAS_LINUX_CMD32		0xc1144d01
75
76#define	MAX_IOCTL_SGE			16
77#define	MFI_FRAME_DIR_READ		0x0010
78#define	MFI_CMD_LD_SCSI_IO		0x03
79
80#define	INQUIRY_CMD				0x12
81#define	INQUIRY_CMDLEN			6
82#define	INQUIRY_REPLY_LEN		96
83#define	INQUIRY_VENDOR			8	/* Offset in reply data to
84						 * vendor name */
85#define	SCSI_SENSE_BUFFERSIZE	96
86
87#define	MEGAMFI_RAW_FRAME_SIZE	128
88
89
90#pragma pack(1)
91struct mrsas_iocpacket {
92	u_int16_t host_no;
93	u_int16_t __pad1;
94	u_int32_t sgl_off;
95	u_int32_t sge_count;
96	u_int32_t sense_off;
97	u_int32_t sense_len;
98	union {
99		u_int8_t raw[MEGAMFI_RAW_FRAME_SIZE];
100		struct mrsas_header hdr;
101	}	frame;
102	struct iovec sgl[MAX_IOCTL_SGE];
103};
104
105#pragma pack()
106
107#ifdef COMPAT_FREEBSD32
108#pragma pack(1)
109struct mrsas_iocpacket32 {
110	u_int16_t host_no;
111	u_int16_t __pad1;
112	u_int32_t sgl_off;
113	u_int32_t sge_count;
114	u_int32_t sense_off;
115	u_int32_t sense_len;
116	union {
117		u_int8_t raw[MEGAMFI_RAW_FRAME_SIZE];
118		struct mrsas_header hdr;
119	}	frame;
120	struct iovec32 sgl[MAX_IOCTL_SGE];
121};
122
123#pragma pack()
124#endif					/* COMPAT_FREEBSD32 */
125
126#endif					/* MRSAS_IOCTL_H */
127