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* vhost-blk: turn on pre-defined RO feature bitChangpeng Liu2018-06-011-13/+35
| | | | | | | | | | | | | Read only feature shouldn't be negotiable, because if the backend device reported Read only feature supported, QEMU host driver shouldn't change backend's RO attribute. While here, also enable the vhost-user-blk test utility to test RO feature. Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: support host notifierTiwei Bie2018-05-242-8/+105
| | | | | | | | | | This patch introduces the host notifier support in libvhost-user. A new API is added to support setting host notifier for each queue. Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* contrib/vhost-user-blk: enable protocol feature for vhost-user-blkChangpeng Liu2018-05-231-0/+7
| | | | | | | | | | This patch reports the protocol feature that is only advertised by QEMU if the device implements the config ops. Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: Send messages with no dataDr. David Alan Gilbert2018-05-231-7/+9
| | | | | | | | | | | | The response to a VHOST_USER_POSTCOPY_ADVISE contains a fd but doesn't actually contain any data. FIx vu_message_write so that it doesn't do a 0-byte write() call, since this was ending up with rc=0 that was confusing the error handling code. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* contrib/libvhost-user: add the protocol feature used for SET/GET messageChangpeng Liu2018-04-091-0/+1
| | | | | | Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: Claim support for postcopyDr. David Alan Gilbert2018-03-201-0/+33
| | | | | | | | | Tell QEMU we understand the protocol features needed for postcopy. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* vhost-user: Add VHOST_USER_POSTCOPY_END messageDr. David Alan Gilbert2018-03-202-0/+24
| | | | | | | | | | | | | | This message is sent just before the end of postcopy to get the client to stop using userfault since we wont respond to any more requests. It should close userfaultfd so that any other pages get mapped to the backing file automatically by the kernel, since at this point we know we've received everything. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: mprotect & madvises for postcopyDr. David Alan Gilbert2018-03-201-5/+42
| | | | | | | | | | | Clear the area and turn off THP. PROT_NONE the area until after we've userfault advised it to catch any unexpected changes. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* vhost+postcopy: Send address back to qemuDr. David Alan Gilbert2018-03-201-1/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We need a better way, but at the moment we need the address of the mappings sent back to qemu so it can interpret the messages on the userfaultfd it reads. This is done as a 3 stage set: QEMU -> client set_mem_table mmap stuff, get addresses client -> qemu here are the addresses qemu -> client OK - now you can use them That ensures that qemu has registered the new addresses in it's userfault code before the client starts accessing them. Note: We don't ask for the default 'ack' reply since we've got our own. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user+postcopy: Register new regions with the ufdDr. David Alan Gilbert2018-03-201-0/+34
| | | | | | | | | | When new regions are sent to the client using SET_MEM_TABLE, register them with the userfaultfd. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* postcopy+vhost-user: Split set_mem_table for postcopyDr. David Alan Gilbert2018-03-201-0/+53
| | | | | | | | | | | | Split the set_mem_table routines in both qemu and libvhost-user because the postcopy versions are going to be quite different once changes in the later patches are added. However, this patch doesn't produce any functional change, just the split. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* vhost+postcopy: Transmit 'listen' to slaveDr. David Alan Gilbert2018-03-202-0/+21
| | | | | | | | | | | Notify the vhost-user slave on reception of the 'postcopy-listen' event from the source. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: Open userfaultfdDr. David Alan Gilbert2018-03-202-2/+43
| | | | | | | | | | Open a userfaultfd (on a postcopy_advise) and send it back in the reply to the qemu for it to monitor. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* libvhost-user: Support sending fds back to qemuDr. David Alan Gilbert2018-03-201-1/+29
| | | | | | | | | Allow replies with fds (for postcopy) Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* vhost-user: Add 'VHOST_USER_POSTCOPY_ADVISE' messageDr. David Alan Gilbert2018-03-202-0/+14
| | | | | | | | | | | | | Wire up a notifier to send a VHOST_USER_POSTCOPY_ADVISE message on an incoming advise. Later patches will fill in the behaviour/contents of the message. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* postcopy: Add vhost-user flag for postcopy and check itDr. David Alan Gilbert2018-03-201-0/+2
| | | | | | | | | | Add a vhost feature flag for postcopy support, and use the postcopy notifier to check it before allowing postcopy. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell2018-02-132-14/+136
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | virtio,vhost,pci,pc: features, fixes and cleanups - new stats in virtio balloon - virtio eventfd rework for boot speedup - vhost memory rework for boot speedup - fixes and cleanups all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 13 Feb 2018 16:29:55 GMT # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (22 commits) virtio-balloon: include statistics of disk/file caches acpi-test: update FADT lpc: drop pcie host dependency tests: acpi: fix FADT not being compared to reference table hw/pci-bridge: fix pcie root port's IO hints capability libvhost-user: Support across-memory-boundary access libvhost-user: Fix resource leak virtio-balloon: unref the memory region before continuing pci: removed the is_express field since a uniform interface was inserted virtio-blk: enable multiple vectors when using multiple I/O queues pci/bus: let it has higher migration priority pci-bridge/i82801b11: clear bridge registers on platform reset vhost: Move log_dirty check vhost: Merge and delete unused callbacks vhost: Clean out old vhost_set_memory and friends vhost: Regenerate region list from changed sections list vhost: Merge sections added to temporary list vhost: Simplify ring verification checks vhost: Build temporary section list and deref after commit virtio: improve virtio devices initialization time ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * libvhost-user: Support across-memory-boundary accessYongji Xie2018-02-132-14/+122
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sg list/indirect descriptor table may be contigious in GPA but not in HVA address space. But libvhost-user wasn't aware of that. This would cause out-of-bounds access. Even a malicious guest could use it to get information from the vhost-user backend. Introduce a plen parameter in vu_gpa_to_va() so we can handle this case, returning the actual mapped length. Signed-off-by: Yongji Xie <xieyongji@baidu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
| * libvhost-user: Fix resource leakYongji Xie2018-02-131-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Free the mmaped memory when we need to mmap new memory space on vu_set_mem_table_exec() and vu_set_log_base_exec() to avoid memory leak. Also close the corresponding fd after mmap() on vu_set_log_base_exec() to avoid fd leak. Signed-off-by: Yongji Xie <xieyongji@baidu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
* | Move include qemu/option.h from qemu-common.h to actual usersMarkus Armbruster2018-02-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | qemu-common.h includes qemu/option.h, but most places that include the former don't actually need the latter. Drop the include, and add it to the places that actually need it. While there, drop superfluous includes of both headers, and separate #include from file comment with a blank line. This cleanup makes the number of objects depending on qemu/option.h drop from 4545 (out of 4743) to 284 in my "build everything" tree. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-20-armbru@redhat.com> [Semantic conflict with commit bdd6a90a9e in block/nvme.c resolved]
* | Use #include "..." for our own headers, <...> for othersMarkus Armbruster2018-02-091-2/+2
|/ | | | | | | | | | | | | | | | | | | | System headers should be included with <...>, our own headers with "...". Offenders tracked down with an ugly, brittle and probably buggy Perl script. Previous iteration was commit a9c94277f0. Delete inclusions of "string.h" and "strings.h" instead of fixing them to <string.h> and <strings.h>, because we always include these via osdep.h. Put the cleaned up system header includes first. While there, separate #include from file comment with exactly one blank line. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-2-armbru@redhat.com>
* contrib/vhost-user-blk: introduce a vhost-user-blk sample applicationChangpeng Liu2018-01-182-0/+546
| | | | | | | | | | | | | | | | | This commit introduces a vhost-user-blk backend device, it uses UNIX domain socket to communicate with QEMU. The vhost-user-blk sample application should be used with QEMU vhost-user-blk-pci device. To use it, complie with: make vhost-user-blk and start like this: vhost-user-blk -b /dev/sdb -s /path/vhost.socket Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* contrib/libvhost-user: enable virtio config space messagesChangpeng Liu2018-01-182-0/+75
| | | | | | | | | | | | Enable VHOST_USER_GET_CONFIG/VHOST_USER_SET_CONFIG messages in libvhost-user library, users can implement their own I/O target based on the library. This enable the virtio config space delivered between QEMU host device and the I/O target. Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* contrib: add systemd unit filesPaolo Bonzini2017-12-203-0/+35
| | | | | | | | | | | | | | | | | | | This lets distros standardize on how QEMU should install systemd services for qemu-ga and qemu-pr-helper. The qemu-ga unit file comes from Fedora, but I checked that Debian is using the same path for the virtio-serisal port. I would like to include this in 2.11, so that the qemu-pr-helper socket can be standardized across distros. Note however that the files are not installed. We can add a configure option in 2.12 perhaps, but it's too late now; documenting the files in the release notes should do. Suggested-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20171124164422.3960-1-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* libvhost-user: Support VHOST_USER_SET_SLAVE_REQ_FDDr. David Alan Gilbert2017-10-122-1/+27
| | | | | | | | | | Allow the qemu to pass us a slave fd. We don't do anything with it yet. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20171002191521.15748-5-dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
* libvhost-user: Update and fix feature and request listsDr. David Alan Gilbert2017-10-122-6/+13
| | | | | | | | | | | Update the ProtocolFeature and UserRequest lists to match hw/virtio/vhost-user.c. Fix the text labelling in libvhost-user.c to match the list. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20171002191521.15748-4-dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
* libvhost-user: vu_queue_startedDr. David Alan Gilbert2017-10-122-0/+15
| | | | | | | | | Add a vu_queue_started method to complement vu_queue_enabled. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20171002191521.15748-2-dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
* vhost-user-scsi: remove server_sock from VusDevMarc-André Lureau2017-10-101-53/+24Star
| | | | | | | | It is unneeded in the VusDev device structure, and also simplify a bit the code. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: use libvhost-user glib helperMarc-André Lureau2017-10-101-146/+16Star
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* libvhost-user: add glib source helperMarc-André Lureau2017-10-103-1/+187
| | | | | | | | This file implements a bridge from the vu_init API of libvhost-user to GSource, so that libvhost-user can be used inside a GLib main loop. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: use glib loggingMarc-André Lureau2017-10-101-56/+21Star
| | | | | | | | | | | - PLOG is unused - code is compiled out unless debug is enabled - logging is too verbose - you can pipe to ts to have timestamp if needed, or use structured logging with more recent glib Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: simplify source handlingMarc-André Lureau2017-10-101-33/+12Star
| | | | | | | Using a hashtable. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: drop extra callback pointerMarc-André Lureau2017-10-101-9/+3Star
| | | | | | | Use the one from the source with casting, like any other glib source. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: don't copy iscsi/scsi-lowlevel.hMarc-André Lureau2017-10-101-87/+9Star
| | | | | | | | There is no need to include hw/virtio/virtio-scsi.h, then the conflict with SCSI_XFER enum goes away. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: avoid use of iscsi_ namespaceMarc-André Lureau2017-10-101-2/+2
| | | | | | | It is confusing and could easily conflict with future versions. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: rename VUS typesMarc-André Lureau2017-10-101-23/+23
| | | | | | | | | - use Vus prefix consistently - use CamelCase, since that's glib & libvhost-user style - avoid _t postfix, usually for system headers Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: remove unimplemented functionsMarc-André Lureau2017-10-101-18/+3Star
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: remove VUS_MAX_LUNSMarc-André Lureau2017-10-101-5/+3Star
| | | | | | | There is no code to support more than 1 yet, no need for that today. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: remove vdev_scsi_add_iscsi_lun()Marc-André Lureau2017-10-101-15/+1Star
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: assert() in iscsi_add_lun()Marc-André Lureau2017-10-101-5/+1Star
| | | | | | | | Instead of a preliminary check, add an assert to the function that has the pre-condition. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: use NULL pointerMarc-André Lureau2017-10-101-1/+1
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: simplify unix path cleanupMarc-André Lureau2017-10-101-17/+5Star
| | | | | | | | | Always remove the unix path when leaving the program (instead of when freeing scsi_dev). Note that unix_sock_new() also unlink() exisiting path before creating the socket. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: remove vdev_scsi_find_by_vu()Marc-André Lureau2017-10-101-43/+4Star
| | | | | | | The *dev pointer belongs to the vhost_scsi_dev_t parent. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: also free the gtreeMarc-André Lureau2017-10-101-0/+1
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: glib calls that allocate don't return NULLMarc-André Lureau2017-10-101-45/+7Star
| | | | | | | They abort instead, so get rid of failure conditions. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
* vhost-user-scsi: use glib allocationMarc-André Lureau2017-10-101-26/+9Star
| | | | | | | | Use g_new/g_free instead of plain malloc. This simplify a bit memory handling since glib will abort if it cannot allocate. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: code style fixesMarc-André Lureau2017-10-101-8/+12
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: connect unix socket before allocatingMarc-André Lureau2017-10-101-10/+8Star
| | | | | | | This simplify a little bit memory management in the following patches. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* vhost-user-scsi: use g_strdup()Marc-André Lureau2017-10-101-8/+4Star
| | | | | | | Since vhost-user-scsi uses glib. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* libvhost-user: improve vu_queue_pop() docMarc-André Lureau2017-10-101-1/+2
| | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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