From f12c1ebddf79c965d4fdca752c6b316c889c7675 Mon Sep 17 00:00:00 2001 From: Felipe Franciosi Date: Thu, 2 Mar 2017 10:25:52 -0800 Subject: vhost-user-scsi: Introduce vhost-user-scsi host device This commit introduces a vhost-user device for SCSI. This is based on the existing vhost-scsi implementation, but done over vhost-user instead. It also uses a chardev to connect to the backend. Unlike vhost-scsi (today), VMs using vhost-user-scsi can be live migrated. To use it, start Qemu with a command line equivalent to: qemu-system-x86_64 \ -chardev socket,id=vus0,path=/tmp/vus.sock \ -device vhost-user-scsi-pci,chardev=vus0,bus=pci.0,addr=... A separate commit presents a sample application linked with libiscsi to provide a backend for vhost-user-scsi. Signed-off-by: Felipe Franciosi Message-Id: <1488479153-21203-4-git-send-email-felipe@nutanix.com> Signed-off-by: Paolo Bonzini --- include/hw/virtio/virtio-scsi.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/hw/virtio/virtio-scsi.h') diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h index eac2013ddd..de6ae5a9f6 100644 --- a/include/hw/virtio/virtio-scsi.h +++ b/include/hw/virtio/virtio-scsi.h @@ -21,6 +21,7 @@ #include "hw/virtio/virtio.h" #include "hw/pci/pci.h" #include "hw/scsi/scsi.h" +#include "chardev/char-fe.h" #include "sysemu/iothread.h" #define TYPE_VIRTIO_SCSI_COMMON "virtio-scsi-common" @@ -53,6 +54,7 @@ struct VirtIOSCSIConf { char *vhostfd; char *wwpn; #endif + CharBackend chardev; uint32_t boot_tpgt; IOThread *iothread; }; -- cgit 1.4.1