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Diffstat (limited to 'original/uapi/linux/dm-user.h')
| -rw-r--r-- | original/uapi/linux/dm-user.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/original/uapi/linux/dm-user.h b/original/uapi/linux/dm-user.h deleted file mode 100644 index 6d8f535..0000000 --- a/original/uapi/linux/dm-user.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */ -/* - * Copyright (C) 2020 Google, Inc - * Copyright (C) 2020 Palmer Dabbelt <palmerdabbelt@google.com> - */ - -#ifndef _LINUX_DM_USER_H -#define _LINUX_DM_USER_H - -#include <linux/types.h> - -/* - * dm-user proxies device mapper ops between the kernel and userspace. It's - * essentially just an RPC mechanism: all kernel calls create a request, - * userspace handles that with a response. Userspace obtains requests via - * read() and provides responses via write(). - * - * See Documentation/block/dm-user.rst for more information. - */ - -#define DM_USER_REQ_MAP_READ 0 -#define DM_USER_REQ_MAP_WRITE 1 -#define DM_USER_REQ_MAP_FLUSH 2 -#define DM_USER_REQ_MAP_DISCARD 3 -#define DM_USER_REQ_MAP_SECURE_ERASE 4 -#define DM_USER_REQ_MAP_WRITE_SAME 5 -#define DM_USER_REQ_MAP_WRITE_ZEROES 6 -#define DM_USER_REQ_MAP_ZONE_OPEN 7 -#define DM_USER_REQ_MAP_ZONE_CLOSE 8 -#define DM_USER_REQ_MAP_ZONE_FINISH 9 -#define DM_USER_REQ_MAP_ZONE_APPEND 10 -#define DM_USER_REQ_MAP_ZONE_RESET 11 -#define DM_USER_REQ_MAP_ZONE_RESET_ALL 12 - -#define DM_USER_REQ_MAP_FLAG_FAILFAST_DEV 0x00001 -#define DM_USER_REQ_MAP_FLAG_FAILFAST_TRANSPORT 0x00002 -#define DM_USER_REQ_MAP_FLAG_FAILFAST_DRIVER 0x00004 -#define DM_USER_REQ_MAP_FLAG_SYNC 0x00008 -#define DM_USER_REQ_MAP_FLAG_META 0x00010 -#define DM_USER_REQ_MAP_FLAG_PRIO 0x00020 -#define DM_USER_REQ_MAP_FLAG_NOMERGE 0x00040 -#define DM_USER_REQ_MAP_FLAG_IDLE 0x00080 -#define DM_USER_REQ_MAP_FLAG_INTEGRITY 0x00100 -#define DM_USER_REQ_MAP_FLAG_FUA 0x00200 -#define DM_USER_REQ_MAP_FLAG_PREFLUSH 0x00400 -#define DM_USER_REQ_MAP_FLAG_RAHEAD 0x00800 -#define DM_USER_REQ_MAP_FLAG_BACKGROUND 0x01000 -#define DM_USER_REQ_MAP_FLAG_NOWAIT 0x02000 -#define DM_USER_REQ_MAP_FLAG_CGROUP_PUNT 0x04000 -#define DM_USER_REQ_MAP_FLAG_NOUNMAP 0x08000 -#define DM_USER_REQ_MAP_FLAG_HIPRI 0x10000 -#define DM_USER_REQ_MAP_FLAG_DRV 0x20000 -#define DM_USER_REQ_MAP_FLAG_SWAP 0x40000 - -#define DM_USER_RESP_SUCCESS 0 -#define DM_USER_RESP_ERROR 1 -#define DM_USER_RESP_UNSUPPORTED 2 - -struct dm_user_message { - __u64 seq; - __u64 type; - __u64 flags; - __u64 sector; - __u64 len; - __u8 buf[]; -}; - -#endif |