xref: /freebsd/sys/dev/mfi/mfi_ioctl.h (revision 2be1a816)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
31 struct iovec32 {
32 	u_int32_t	iov_base;
33 	int		iov_len;
34 };
35 #endif
36 
37 #define MFIQ_FREE	0
38 #define MFIQ_BIO	1
39 #define MFIQ_READY	2
40 #define MFIQ_BUSY	3
41 #define MFIQ_COUNT	4
42 
43 struct mfi_qstat {
44 	uint32_t	q_length;
45 	uint32_t	q_max;
46 };
47 
48 union mfi_statrequest {
49 	uint32_t		ms_item;
50 	struct mfi_qstat	ms_qstat;
51 };
52 
53 #define MAX_IOCTL_SGE	16
54 
55 struct mfi_ioc_packet {
56 	uint16_t	mfi_adapter_no;
57 	uint16_t	mfi_pad1;
58 	uint32_t	mfi_sgl_off;
59 	uint32_t	mfi_sge_count;
60 	uint32_t	mfi_sense_off;
61 	uint32_t	mfi_sense_len;
62 	union {
63 		uint8_t raw[128];
64 		struct mfi_frame_header hdr;
65 	} mfi_frame;
66 
67 	struct iovec mfi_sgl[MAX_IOCTL_SGE];
68 } __packed;
69 
70 struct mfi_ioc_aen {
71 	uint16_t	aen_adapter_no;
72 	uint16_t	aen_pad1;
73 	uint32_t	aen_seq_num;
74 	uint32_t	aen_class_locale;
75 } __packed;
76 
77 #define MFI_CMD		_IOWR('M', 1, struct mfi_ioc_packet)
78 #define MFI_SET_AEN	_IOW('M', 3, struct mfi_ioc_aen)
79 
80 #define MAX_LINUX_IOCTL_SGE	16
81 
82 struct mfi_linux_ioc_packet {
83 	uint16_t	lioc_adapter_no;
84 	uint16_t	lioc_pad1;
85 	uint32_t	lioc_sgl_off;
86 	uint32_t	lioc_sge_count;
87 	uint32_t	lioc_sense_off;
88 	uint32_t	lioc_sense_len;
89 	union {
90 		uint8_t raw[128];
91 		struct mfi_frame_header hdr;
92 	} lioc_frame;
93 
94 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
95 	struct iovec32 lioc_sgl[MAX_LINUX_IOCTL_SGE];
96 #else
97 	struct iovec lioc_sgl[MAX_LINUX_IOCTL_SGE];
98 #endif
99 } __packed;
100 
101 #define MFIIO_STATS	_IOWR('Q', 101, union mfi_statrequest)
102 
103 struct mfi_linux_ioc_aen {
104 	uint16_t	laen_adapter_no;
105 	uint16_t	laen_pad1;
106 	uint32_t	laen_seq_num;
107 	uint32_t	laen_class_locale;
108 } __packed;
109 
110 struct mfi_query_disk {
111 	uint8_t	array_id;
112 	uint8_t	present;
113 	uint8_t	open;
114 	uint8_t reserved;	/* reserved for future use */
115 	char	devname[SPECNAMELEN + 1];
116 } __packed;
117 
118 #define MFIIO_QUERY_DISK	_IOWR('Q', 102, struct mfi_query_disk)
119 
120 /*
121  * Create a second set so the FreeBSD native ioctl doesn't
122  * conflict in FreeBSD ioctl handler.  Translate in mfi_linux.c.
123  */
124 #define MFI_LINUX_CMD		0xc1144d01
125 #define MFI_LINUX_SET_AEN	0x400c4d03
126 #define MFI_LINUX_CMD_2		0xc1144d02
127 #define MFI_LINUX_SET_AEN_2	0x400c4d04
128