summaryrefslogtreecommitdiff
path: root/sys/dev/pci/twaio.h
blob: e26a35db51bb99b4614152243107e858f8946c44 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/*	$NetBSD: twaio.h,v 1.6 2015/09/06 06:01:00 dholland Exp $ */
/*	$wasabi: twaio.h,v 1.8 2006/04/27 17:12:39 wrstuden Exp $ */

/*-
 * Copyright (c) 2003-04 3ware, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *$FreeBSD: src/sys/dev/twa/twa_ioctl.h,v 1.1 2004/03/30 03:45:59 vkashyap Exp $
 */

/*
 * 3ware driver for 9000 series storage controllers.
 *
 * Author: Vinod Kashyap
 */


#ifndef _DEV_PCI_TWAIO_H_
#define	_DEV_PCI_TWAIO_H_

#include <sys/ioccom.h>


#define TWA_AEN_NOT_RETRIEVED	0x1
#define TWA_AEN_RETRIEVED	0x2

#define TWA_ERROR_AEN_NO_EVENTS	0x1003           /* No more events */
#define TWA_ERROR_AEN_OVERFLOW	0x1004           /* AEN clobber occurred */

#define TWA_ERROR_IOCTL_LOCK_NOT_HELD		0x1001   /* Not locked */
#define TWA_ERROR_IOCTL_LOCK_ALREADY_HELD	0x1002   /* Already locked */


struct twa_scan_bus_packet {
	uint32_t	unit;
} __packed;

struct tw_cl_event_packet {
	uint32_t	sequence_id;
	uint32_t	time_stamp_sec;
	uint16_t	aen_code;
	uint8_t		severity;
	uint8_t		retrieved;
	uint8_t		repeat_count;
	uint8_t		parameter_len;
	uint8_t		parameter_data[98];
	uint32_t	event_src;
	uint8_t		severity_str[20];
} __packed;

struct tw_cl_lock_packet {
	uint32_t	timeout_msec;
	uint32_t	time_remaining_msec;
	uint32_t	force_flag;
} __packed;


struct tw_cl_compatibility_packet {
	uint8_t		driver_version[32];/* driver version */
	uint16_t	working_srl;	/* driver & firmware negotiated srl */
	uint16_t	working_branch;	/* branch # of the firmware that the driver is compatible with */
	uint16_t	working_build;	/* build # of the firmware that the driver is compatible with */
} __packed;


struct twa_driver_packet {
	uint32_t	control_code;
	uint32_t	status;
	uint32_t	unique_id;
	uint32_t	sequence_id;
	uint32_t	os_status;
	uint32_t	buffer_length;
} __packed;

/* Account for differences between 32/64 bit system. Offsets into memory
 * are anticipated for driver/firmware command packets and having a 
 * variable sized pointer depending on architecture add 4 bytes to any offset
 * after the pdata declaration
 */
#define TW_SIZEOF_VOIDPTR		(sizeof(void *)) 

struct twa_ioctl_9k {
	struct twa_driver_packet	twa_drvr_pkt;
	void				*pdata; /* points to data_buf */
	int8_t				padding[488 - TW_SIZEOF_VOIDPTR];
	struct twa_command_packet	twa_cmd_pkt;
	int8_t				data_buf[1];
} __packed;

typedef struct twa_ioctl_with_payload {
	struct twa_driver_packet	twa_drvr_pkt;
	int8_t				padding[488];
	struct twa_command_packet	twa_cmd_pkt;
	union {
		struct tw_cl_event_packet		event_pkt;
		struct tw_cl_lock_packet 		lock_pkt;
		struct tw_cl_compatibility_packet	compat_pkt;
		int8_t					data_buf[1];
	} payload;
}  __packed TWA_IOCTL_WITH_PAYLOAD;

/*
 * We need the structure below to ensure that the first byte of
 * data_buf is not overwritten by the kernel, after we return
 * from the ioctl call.  Note that twa_cmd_pkt has been reduced
 * to an array of 1024 bytes even though it's actually 2048 bytes
 * in size.  This is because, we don't expect requests from user
 * land requiring 2048 (273 sg elements) byte cmd pkts.
 */
typedef struct twa_ioctl_no_data_buf {
	struct twa_driver_packet	twa_drvr_pkt;
	void				*pdata; /* points to data_buf */
	int8_t				padding[488 - TW_SIZEOF_VOIDPTR];
	struct twa_command_packet	twa_cmd_pkt;
}  __packed TWA_IOCTL_NO_DATA_BUF;


/*
 * Get the device external name of the specified array unit.
 */
 /* WASABI */
struct twa_unitname {
	int		tn_unit;
	char		tn_name[16];	/* XXX sizeof(dev->dv_xname) */
};

#define TW_OSL_IOCTL_SCAN_BUS		_IO ('T', 200)

#define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH \
	_IOWR('T', 202, TWA_IOCTL_NO_DATA_BUF)

#define TW_CL_IOCTL_GET_FIRST_EVENT	_IOWR('T', 203, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_LAST_EVENT	_IOWR('T', 204, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_NEXT_EVENT	_IOWR('T', 205, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_PREVIOUS_EVENT	_IOWR('T', 206, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_LOCK		_IOWR('T', 207, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_RELEASE_LOCK	_IOWR('T', 208, TWA_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_COMPATIBILITY_INFO 	\
	_IOWR('T', 209, TWA_IOCTL_WITH_PAYLOAD)
/* WASABI */
#define	TWA_IOCTL_GET_UNITNAME		_IOWR('T', 220, struct twa_unitname)

#endif /* _DEV_PCI_TWAIO_H_ */