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# Date Author Comment
b90fb4b8 09/19/2011 12:34 pm Paolo Bonzini

nbd: support feature negotiation

nbd supports writing flags in bytes 24...27 of the header,
and uses that for the read-only flag. Add support for it
in qemu-nbd.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
ab359cd1 09/12/2011 04:17 pm Markus Armbruster

nbd: Clean up use of block_int.h

Signed-off-by: Markus Armbruster <>
Signed-off-by: Kevin Wolf <>
7267c094 08/21/2011 07:01 am Anthony Liguori

Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <>
d2d979c6 05/03/2011 12:29 pm Nick Thomas

NBD: Avoid leaking a couple of strings when the NBD device is closed

Signed-off-by: Nick Thomas <>
Signed-off-by: Kevin Wolf <>
33897dc7 04/07/2011 02:51 pm Nick Thomas

NBD device: Separate out parsing configuration and opening sockets.

We also change the way the file parameter is parsed so IPv6 IP
addresses can be used, e.g.: "drive=nbd:[::1]:5000"

Signed-off-by: Nick Thomas <>
Signed-off-by: Kevin Wolf <>
c2e2872b 09/21/2010 04:39 pm Laurent Vivier

nbd: correctly manage default port

block/nbd.c: use default port number when none is specified
qemu-nbd.c: use IANA-assigned port number: 10809

Signed-off-by: Laurent Vivier <>
Signed-off-by: Kevin Wolf <>
1d45f8b5 08/30/2010 07:29 pm Laurent Vivier

nbd: Introduce NBD named exports.

This patch allows to connect Qemu using NBD protocol to an nbd-server
using named exports.

For instance, if on the host "isoserver", in /etc/nbd-server/config, you have:

[generic]
[debian-500-ppc-netinst]
exportname = /ISO/debian-500-powerpc-netinst.iso...
66f82cee 05/03/2010 11:07 am Kevin Wolf

block: Open the underlying image file in generic code

Format drivers shouldn't need to bother with things like file names, but rather
just get an open BlockDriverState for the underlying protocol. This patch
introduces this behaviour for bdrv_open implementation. For protocols which...
9a2d77ad 01/26/2010 11:42 pm Christoph Hellwig

block: kill BDRV_O_CREAT

The BDRV_O_CREAT option is unused inside qemu and partially duplicates
the bdrv_create method. Remove it, and the -C option to qemu-io which
isn't used in qemu-iotests anyway.

Signed-off-by: Christoph Hellwig <>
Signed-off-by: Anthony Liguori <>
019d6b8f 05/15/2009 12:13 am Anthony Liguori

Move block drivers into their own directory

Signed-off-by: Anthony Liguori <>