xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/nbd.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)
1*8d67ca89SAndroid Build Coastguard Worker /*
2*8d67ca89SAndroid Build Coastguard Worker  * This file is auto-generated. Modifications will be lost.
3*8d67ca89SAndroid Build Coastguard Worker  *
4*8d67ca89SAndroid Build Coastguard Worker  * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5*8d67ca89SAndroid Build Coastguard Worker  * for more information.
6*8d67ca89SAndroid Build Coastguard Worker  */
7*8d67ca89SAndroid Build Coastguard Worker #ifndef _UAPILINUX_NBD_H
8*8d67ca89SAndroid Build Coastguard Worker #define _UAPILINUX_NBD_H
9*8d67ca89SAndroid Build Coastguard Worker #include <linux/types.h>
10*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_SOCK _IO(0xab, 0)
11*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_BLKSIZE _IO(0xab, 1)
12*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_SIZE _IO(0xab, 2)
13*8d67ca89SAndroid Build Coastguard Worker #define NBD_DO_IT _IO(0xab, 3)
14*8d67ca89SAndroid Build Coastguard Worker #define NBD_CLEAR_SOCK _IO(0xab, 4)
15*8d67ca89SAndroid Build Coastguard Worker #define NBD_CLEAR_QUE _IO(0xab, 5)
16*8d67ca89SAndroid Build Coastguard Worker #define NBD_PRINT_DEBUG _IO(0xab, 6)
17*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_SIZE_BLOCKS _IO(0xab, 7)
18*8d67ca89SAndroid Build Coastguard Worker #define NBD_DISCONNECT _IO(0xab, 8)
19*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_TIMEOUT _IO(0xab, 9)
20*8d67ca89SAndroid Build Coastguard Worker #define NBD_SET_FLAGS _IO(0xab, 10)
21*8d67ca89SAndroid Build Coastguard Worker enum {
22*8d67ca89SAndroid Build Coastguard Worker   NBD_CMD_READ = 0,
23*8d67ca89SAndroid Build Coastguard Worker   NBD_CMD_WRITE = 1,
24*8d67ca89SAndroid Build Coastguard Worker   NBD_CMD_DISC = 2,
25*8d67ca89SAndroid Build Coastguard Worker   NBD_CMD_FLUSH = 3,
26*8d67ca89SAndroid Build Coastguard Worker   NBD_CMD_TRIM = 4
27*8d67ca89SAndroid Build Coastguard Worker };
28*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_HAS_FLAGS (1 << 0)
29*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_READ_ONLY (1 << 1)
30*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_SEND_FLUSH (1 << 2)
31*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_SEND_FUA (1 << 3)
32*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_SEND_TRIM (1 << 5)
33*8d67ca89SAndroid Build Coastguard Worker #define NBD_FLAG_CAN_MULTI_CONN (1 << 8)
34*8d67ca89SAndroid Build Coastguard Worker #define NBD_CMD_FLAG_FUA (1 << 16)
35*8d67ca89SAndroid Build Coastguard Worker #define NBD_CFLAG_DESTROY_ON_DISCONNECT (1 << 0)
36*8d67ca89SAndroid Build Coastguard Worker #define NBD_CFLAG_DISCONNECT_ON_CLOSE (1 << 1)
37*8d67ca89SAndroid Build Coastguard Worker #define NBD_REQUEST_MAGIC 0x25609513
38*8d67ca89SAndroid Build Coastguard Worker #define NBD_REPLY_MAGIC 0x67446698
39*8d67ca89SAndroid Build Coastguard Worker struct nbd_request {
40*8d67ca89SAndroid Build Coastguard Worker   __be32 magic;
41*8d67ca89SAndroid Build Coastguard Worker   __be32 type;
42*8d67ca89SAndroid Build Coastguard Worker   union {
43*8d67ca89SAndroid Build Coastguard Worker     __be64 cookie;
44*8d67ca89SAndroid Build Coastguard Worker     char handle[8];
45*8d67ca89SAndroid Build Coastguard Worker   };
46*8d67ca89SAndroid Build Coastguard Worker   __be64 from;
47*8d67ca89SAndroid Build Coastguard Worker   __be32 len;
48*8d67ca89SAndroid Build Coastguard Worker } __attribute__((packed));
49*8d67ca89SAndroid Build Coastguard Worker struct nbd_reply {
50*8d67ca89SAndroid Build Coastguard Worker   __be32 magic;
51*8d67ca89SAndroid Build Coastguard Worker   __be32 error;
52*8d67ca89SAndroid Build Coastguard Worker   union {
53*8d67ca89SAndroid Build Coastguard Worker     __be64 cookie;
54*8d67ca89SAndroid Build Coastguard Worker     char handle[8];
55*8d67ca89SAndroid Build Coastguard Worker   };
56*8d67ca89SAndroid Build Coastguard Worker };
57*8d67ca89SAndroid Build Coastguard Worker #endif
58