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authorDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/linux/nbd.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/nbd.h')
-rw-r--r--include/linux/nbd.h63
1 files changed, 1 insertions, 62 deletions
diff --git a/include/linux/nbd.h b/include/linux/nbd.h
index 5c86e2b33e2d..4871170a04a0 100644
--- a/include/linux/nbd.h
+++ b/include/linux/nbd.h
@@ -11,45 +11,13 @@
11 * 2004/02/19 Paul Clements 11 * 2004/02/19 Paul Clements
12 * Removed PARANOIA, plus various cleanup and comments 12 * Removed PARANOIA, plus various cleanup and comments
13 */ 13 */
14
15#ifndef LINUX_NBD_H 14#ifndef LINUX_NBD_H
16#define LINUX_NBD_H 15#define LINUX_NBD_H
17 16
18#include <linux/types.h>
19
20#define NBD_SET_SOCK _IO( 0xab, 0 )
21#define NBD_SET_BLKSIZE _IO( 0xab, 1 )
22#define NBD_SET_SIZE _IO( 0xab, 2 )
23#define NBD_DO_IT _IO( 0xab, 3 )
24#define NBD_CLEAR_SOCK _IO( 0xab, 4 )
25#define NBD_CLEAR_QUE _IO( 0xab, 5 )
26#define NBD_PRINT_DEBUG _IO( 0xab, 6 )
27#define NBD_SET_SIZE_BLOCKS _IO( 0xab, 7 )
28#define NBD_DISCONNECT _IO( 0xab, 8 )
29#define NBD_SET_TIMEOUT _IO( 0xab, 9 )
30#define NBD_SET_FLAGS _IO( 0xab, 10)
31
32enum {
33 NBD_CMD_READ = 0,
34 NBD_CMD_WRITE = 1,
35 NBD_CMD_DISC = 2,
36 /* there is a gap here to match userspace */
37 NBD_CMD_TRIM = 4
38};
39
40/* values for flags field */
41#define NBD_FLAG_HAS_FLAGS (1 << 0) /* nbd-server supports flags */
42#define NBD_FLAG_READ_ONLY (1 << 1) /* device is read-only */
43/* there is a gap here to match userspace */
44#define NBD_FLAG_SEND_TRIM (1 << 5) /* send trim/discard */
45
46#define nbd_cmd(req) ((req)->cmd[0])
47
48/* userspace doesn't need the nbd_device structure */
49#ifdef __KERNEL__
50 17
51#include <linux/wait.h> 18#include <linux/wait.h>
52#include <linux/mutex.h> 19#include <linux/mutex.h>
20#include <uapi/linux/nbd.h>
53 21
54struct request; 22struct request;
55 23
@@ -76,32 +44,3 @@ struct nbd_device {
76}; 44};
77 45
78#endif 46#endif
79
80/* These are sent over the network in the request/reply magic fields */
81
82#define NBD_REQUEST_MAGIC 0x25609513
83#define NBD_REPLY_MAGIC 0x67446698
84/* Do *not* use magics: 0x12560953 0x96744668. */
85
86/*
87 * This is the packet used for communication between client and
88 * server. All data are in network byte order.
89 */
90struct nbd_request {
91 __be32 magic;
92 __be32 type; /* == READ || == WRITE */
93 char handle[8];
94 __be64 from;
95 __be32 len;
96} __attribute__((packed));
97
98/*
99 * This is the reply packet that nbd-server sends back to the client after
100 * it has completed an I/O request (or an error occurs).
101 */
102struct nbd_reply {
103 __be32 magic;
104 __be32 error; /* 0 = ok, else error */
105 char handle[8]; /* handle you got from request */
106};
107#endif