This file is indexed.

/usr/include/scsi/scsi_netlink.h is in linux-libc-dev 4.4.0-21.37.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
/*
 *  SCSI Transport Netlink Interface
 *    Used for the posting of outbound SCSI transport events
 *
 *  Copyright (C) 2006   James Smart, Emulex Corporation
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef SCSI_NETLINK_H
#define SCSI_NETLINK_H

#include <linux/netlink.h>
#include <linux/types.h>

/*
 * This file intended to be included by both kernel and user space
 */

/* Single Netlink Message type to send all SCSI Transport messages */
#define SCSI_TRANSPORT_MSG		NLMSG_MIN_TYPE + 1

/* SCSI Transport Broadcast Groups */
	/* leaving groups 0 and 1 unassigned */
#define SCSI_NL_GRP_FC_EVENTS		(1<<2)		/* Group 2 */
#define SCSI_NL_GRP_CNT			3


/* SCSI_TRANSPORT_MSG event message header */
struct scsi_nl_hdr {
	uint8_t version;
	uint8_t transport;
	uint16_t magic;
	uint16_t msgtype;
	uint16_t msglen;
} __attribute__((aligned(sizeof(uint64_t))));

/* scsi_nl_hdr->version value */
#define SCSI_NL_VERSION				1

/* scsi_nl_hdr->magic value */
#define SCSI_NL_MAGIC				0xA1B2

/* scsi_nl_hdr->transport value */
#define SCSI_NL_TRANSPORT			0
#define SCSI_NL_TRANSPORT_FC			1
#define SCSI_NL_MAX_TRANSPORTS			2

/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */

/*
 * GENERIC SCSI scsi_nl_hdr->msgtype Values
 */
	/* kernel -> user */
#define SCSI_NL_SHOST_VENDOR			0x0001
	/* user -> kernel */
/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */


/*
 * Message Structures :
 */

/* macro to round up message lengths to 8byte boundary */
#define SCSI_NL_MSGALIGN(len)		(((len) + 7) & ~7)


/*
 * SCSI HOST Vendor Unique messages :
 *   SCSI_NL_SHOST_VENDOR
 *
 * Note: The Vendor Unique message payload will begin directly after
 * 	 this structure, with the length of the payload per vmsg_datalen.
 *
 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
 *   formatting requirements specified below
 */
struct scsi_nl_host_vendor_msg {
	struct scsi_nl_hdr snlh;		/* must be 1st element ! */
	uint64_t vendor_id;
	uint16_t host_no;
	uint16_t vmsg_datalen;
} __attribute__((aligned(sizeof(uint64_t))));


/*
 * Vendor ID:
 *   If transports post vendor-unique events, they must pass a well-known
 *   32-bit vendor identifier. This identifier consists of 8 bits indicating
 *   the "type" of identifier contained, and 24 bits of id data.
 *
 *   Identifiers for each type:
 *    PCI :  ID data is the 16 bit PCI Registered Vendor ID
 */
#define SCSI_NL_VID_TYPE_SHIFT		56
#define SCSI_NL_VID_TYPE_MASK		((__u64)0xFF << SCSI_NL_VID_TYPE_SHIFT)
#define SCSI_NL_VID_TYPE_PCI		((__u64)0x01 << SCSI_NL_VID_TYPE_SHIFT)
#define SCSI_NL_VID_ID_MASK		(~ SCSI_NL_VID_TYPE_MASK)


#define INIT_SCSI_NL_HDR(hdr, t, mtype, mlen)			\
	{							\
	(hdr)->version = SCSI_NL_VERSION;			\
	(hdr)->transport = t;					\
	(hdr)->magic = SCSI_NL_MAGIC;				\
	(hdr)->msgtype = mtype;					\
	(hdr)->msglen = mlen;					\
	}

#endif /* SCSI_NETLINK_H */