On Wed, Sep 21, 2011 at 07:37:55PM +1000, Ronnie Sahlberg wrote: > This provides built-in support for iSCSI to QEMU. > This has the advantage that the iSCSI devices need not be made visible to the > host, which is useful if you have very many virtual machines and very many > iscsi devices. > It also has the benefit that non-root users of QEMU can access iSCSI devices > across the network without requiring root privilege on the host. > > This driver interfaces with the multiplatform posix library for iscsi > initiator/client access to iscsi devices hosted at > git://github.com/sahlberg/libiscsi.git > > The patch adds the driver to interface with the iscsi library. > It also updated the configure script to > * by default, probe is libiscsi is available and if so, build > qemu against libiscsi. > * --enable-libiscsi > Force a build against libiscsi. If libiscsi is not available > the build will fail. > * --disable-libiscsi > Do not link against libiscsi, even if it is available. > > When linked with libiscsi, qemu gains support to access iscsi resources such > as disks and cdrom directly, without having to make the devices visible to > the host. > > You can specify devices using a iscsi url of the form : > iscsi://[<username>[:<password>@]]<host>[:<port]/<target-iqn-name>/<lun> > When using authentication, the password can optionally be set with > LIBISCSI_CHAP_PASSWORD="password" to avoid it showing up in the process list > > Signed-off-by: Ronnie Sahlberg <ronniesahlb...@gmail.com> > --- > Makefile.objs | 1 + > block/iscsi.c | 596 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > configure | 31 +++ > trace-events | 7 + > 4 files changed, 635 insertions(+), 0 deletions(-) > create mode 100644 block/iscsi.c
Reviewed-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com>
