aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/linux-headers/linux/nbd.h
diff options
context:
space:
mode:
authororivej <orivej@yandex-team.ru>2022-02-10 16:45:01 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:01 +0300
commit2d37894b1b037cf24231090eda8589bbb44fb6fc (patch)
treebe835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/linux-headers/linux/nbd.h
parent718c552901d703c502ccbefdfc3c9028d608b947 (diff)
downloadydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/linux/nbd.h')
-rw-r--r--contrib/libs/linux-headers/linux/nbd.h178
1 files changed, 89 insertions, 89 deletions
diff --git a/contrib/libs/linux-headers/linux/nbd.h b/contrib/libs/linux-headers/linux/nbd.h
index df1331b2e94..f4eed87b120 100644
--- a/contrib/libs/linux-headers/linux/nbd.h
+++ b/contrib/libs/linux-headers/linux/nbd.h
@@ -1,89 +1,89 @@
-/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
-/*
- * 1999 Copyright (C) Pavel Machek, pavel@ucw.cz. This code is GPL.
- * 1999/11/04 Copyright (C) 1999 VMware, Inc. (Regis "HPReg" Duchesne)
- * Made nbd_end_request() use the io_request_lock
- * 2001 Copyright (C) Steven Whitehouse
- * New nbd_end_request() for compatibility with new linux block
- * layer code.
- * 2003/06/24 Louis D. Langholtz <ldl@aros.net>
- * Removed unneeded blksize_bits field from nbd_device struct.
- * Cleanup PARANOIA usage & code.
- * 2004/02/19 Paul Clements
- * Removed PARANOIA, plus various cleanup and comments
- */
-
-#ifndef LINUX_NBD_H
-#define LINUX_NBD_H
-
-#include <linux/types.h>
-
-#define NBD_SET_SOCK _IO( 0xab, 0 )
-#define NBD_SET_BLKSIZE _IO( 0xab, 1 )
-#define NBD_SET_SIZE _IO( 0xab, 2 )
-#define NBD_DO_IT _IO( 0xab, 3 )
-#define NBD_CLEAR_SOCK _IO( 0xab, 4 )
-#define NBD_CLEAR_QUE _IO( 0xab, 5 )
-#define NBD_PRINT_DEBUG _IO( 0xab, 6 )
-#define NBD_SET_SIZE_BLOCKS _IO( 0xab, 7 )
-#define NBD_DISCONNECT _IO( 0xab, 8 )
-#define NBD_SET_TIMEOUT _IO( 0xab, 9 )
-#define NBD_SET_FLAGS _IO( 0xab, 10)
-
-enum {
- NBD_CMD_READ = 0,
- NBD_CMD_WRITE = 1,
- NBD_CMD_DISC = 2,
- NBD_CMD_FLUSH = 3,
- NBD_CMD_TRIM = 4
-};
-
-/* values for flags field, these are server interaction specific. */
-#define NBD_FLAG_HAS_FLAGS (1 << 0) /* nbd-server supports flags */
-#define NBD_FLAG_READ_ONLY (1 << 1) /* device is read-only */
-#define NBD_FLAG_SEND_FLUSH (1 << 2) /* can flush writeback cache */
-#define NBD_FLAG_SEND_FUA (1 << 3) /* send FUA (forced unit access) */
-/* there is a gap here to match userspace */
-#define NBD_FLAG_SEND_TRIM (1 << 5) /* send trim/discard */
-#define NBD_FLAG_CAN_MULTI_CONN (1 << 8) /* Server supports multiple connections per export. */
-
-/* values for cmd flags in the upper 16 bits of request type */
-#define NBD_CMD_FLAG_FUA (1 << 16) /* FUA (forced unit access) op */
-
-/* These are client behavior specific flags. */
-#define NBD_CFLAG_DESTROY_ON_DISCONNECT (1 << 0) /* delete the nbd device on
- disconnect. */
-#define NBD_CFLAG_DISCONNECT_ON_CLOSE (1 << 1) /* disconnect the nbd device on
- * close by last opener.
- */
-
-/* userspace doesn't need the nbd_device structure */
-
-/* These are sent over the network in the request/reply magic fields */
-
-#define NBD_REQUEST_MAGIC 0x25609513
-#define NBD_REPLY_MAGIC 0x67446698
-/* Do *not* use magics: 0x12560953 0x96744668. */
-
-/*
- * This is the packet used for communication between client and
- * server. All data are in network byte order.
- */
-struct nbd_request {
- __be32 magic;
- __be32 type; /* == READ || == WRITE */
- char handle[8];
- __be64 from;
- __be32 len;
-} __attribute__((packed));
-
-/*
- * This is the reply packet that nbd-server sends back to the client after
- * it has completed an I/O request (or an error occurs).
- */
-struct nbd_reply {
- __be32 magic;
- __be32 error; /* 0 = ok, else error */
- char handle[8]; /* handle you got from request */
-};
-#endif /* LINUX_NBD_H */
+/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
+/*
+ * 1999 Copyright (C) Pavel Machek, pavel@ucw.cz. This code is GPL.
+ * 1999/11/04 Copyright (C) 1999 VMware, Inc. (Regis "HPReg" Duchesne)
+ * Made nbd_end_request() use the io_request_lock
+ * 2001 Copyright (C) Steven Whitehouse
+ * New nbd_end_request() for compatibility with new linux block
+ * layer code.
+ * 2003/06/24 Louis D. Langholtz <ldl@aros.net>
+ * Removed unneeded blksize_bits field from nbd_device struct.
+ * Cleanup PARANOIA usage & code.
+ * 2004/02/19 Paul Clements
+ * Removed PARANOIA, plus various cleanup and comments
+ */
+
+#ifndef LINUX_NBD_H
+#define LINUX_NBD_H
+
+#include <linux/types.h>
+
+#define NBD_SET_SOCK _IO( 0xab, 0 )
+#define NBD_SET_BLKSIZE _IO( 0xab, 1 )
+#define NBD_SET_SIZE _IO( 0xab, 2 )
+#define NBD_DO_IT _IO( 0xab, 3 )
+#define NBD_CLEAR_SOCK _IO( 0xab, 4 )
+#define NBD_CLEAR_QUE _IO( 0xab, 5 )
+#define NBD_PRINT_DEBUG _IO( 0xab, 6 )
+#define NBD_SET_SIZE_BLOCKS _IO( 0xab, 7 )
+#define NBD_DISCONNECT _IO( 0xab, 8 )
+#define NBD_SET_TIMEOUT _IO( 0xab, 9 )
+#define NBD_SET_FLAGS _IO( 0xab, 10)
+
+enum {
+ NBD_CMD_READ = 0,
+ NBD_CMD_WRITE = 1,
+ NBD_CMD_DISC = 2,
+ NBD_CMD_FLUSH = 3,
+ NBD_CMD_TRIM = 4
+};
+
+/* values for flags field, these are server interaction specific. */
+#define NBD_FLAG_HAS_FLAGS (1 << 0) /* nbd-server supports flags */
+#define NBD_FLAG_READ_ONLY (1 << 1) /* device is read-only */
+#define NBD_FLAG_SEND_FLUSH (1 << 2) /* can flush writeback cache */
+#define NBD_FLAG_SEND_FUA (1 << 3) /* send FUA (forced unit access) */
+/* there is a gap here to match userspace */
+#define NBD_FLAG_SEND_TRIM (1 << 5) /* send trim/discard */
+#define NBD_FLAG_CAN_MULTI_CONN (1 << 8) /* Server supports multiple connections per export. */
+
+/* values for cmd flags in the upper 16 bits of request type */
+#define NBD_CMD_FLAG_FUA (1 << 16) /* FUA (forced unit access) op */
+
+/* These are client behavior specific flags. */
+#define NBD_CFLAG_DESTROY_ON_DISCONNECT (1 << 0) /* delete the nbd device on
+ disconnect. */
+#define NBD_CFLAG_DISCONNECT_ON_CLOSE (1 << 1) /* disconnect the nbd device on
+ * close by last opener.
+ */
+
+/* userspace doesn't need the nbd_device structure */
+
+/* These are sent over the network in the request/reply magic fields */
+
+#define NBD_REQUEST_MAGIC 0x25609513
+#define NBD_REPLY_MAGIC 0x67446698
+/* Do *not* use magics: 0x12560953 0x96744668. */
+
+/*
+ * This is the packet used for communication between client and
+ * server. All data are in network byte order.
+ */
+struct nbd_request {
+ __be32 magic;
+ __be32 type; /* == READ || == WRITE */
+ char handle[8];
+ __be64 from;
+ __be32 len;
+} __attribute__((packed));
+
+/*
+ * This is the reply packet that nbd-server sends back to the client after
+ * it has completed an I/O request (or an error occurs).
+ */
+struct nbd_reply {
+ __be32 magic;
+ __be32 error; /* 0 = ok, else error */
+ char handle[8]; /* handle you got from request */
+};
+#endif /* LINUX_NBD_H */