From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:41476) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RwzQk-00035X-6l for qemu-devel@nongnu.org; Mon, 13 Feb 2012 12:11:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RwzQf-0005EW-11 for qemu-devel@nongnu.org; Mon, 13 Feb 2012 12:11:09 -0500 Received: from mail-pw0-f45.google.com ([209.85.160.45]:65375) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RwzQe-00057q-Kb for qemu-devel@nongnu.org; Mon, 13 Feb 2012 12:11:04 -0500 Received: by mail-pw0-f45.google.com with SMTP id ro12so5449571pbb.4 for ; Mon, 13 Feb 2012 09:11:04 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Mon, 13 Feb 2012 18:10:16 +0100 Message-Id: <1329153022-31159-10-git-send-email-pbonzini@redhat.com> In-Reply-To: <1329153022-31159-1-git-send-email-pbonzini@redhat.com> References: <1329153022-31159-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH v3 09/15] scsi-generic: add migration support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, stefanha@gmail.com, christian.hoff@de.ibm.com, kvm@vger.kernel.org Signed-off-by: Paolo Bonzini --- hw/scsi-generic.c | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 4859212..cd62922 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -59,6 +59,28 @@ typedef struct SCSIGenericReq { sg_io_hdr_t io_header; } SCSIGenericReq; +static void scsi_generic_save_request(QEMUFile *f, SCSIRequest *req) +{ + SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req); + + qemu_put_sbe32s(f, &r->buflen); + if (r->buflen && r->req.cmd.mode == SCSI_XFER_TO_DEV) { + assert(!r->req.sg); + qemu_put_buffer(f, r->buf, r->req.cmd.xfer); + } +} + +static void scsi_generic_load_request(QEMUFile *f, SCSIRequest *req) +{ + SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req); + + qemu_get_sbe32s(f, &r->buflen); + if (r->buflen && r->req.cmd.mode == SCSI_XFER_TO_DEV) { + assert(!r->req.sg); + qemu_get_buffer(f, r->buf, r->req.cmd.xfer); + } +} + static void scsi_free_request(SCSIRequest *req) { SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req); @@ -446,6 +468,8 @@ const SCSIReqOps scsi_generic_req_ops = { .write_data = scsi_write_data, .cancel_io = scsi_cancel_io, .get_buf = scsi_get_buf, + .load_request = scsi_generic_load_request, + .save_request = scsi_generic_save_request, }; static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun, @@ -474,6 +498,7 @@ static void scsi_generic_class_initfn(ObjectClass *klass, void *data) dc->desc = "pass through generic scsi device (/dev/sg*)"; dc->reset = scsi_generic_reset; dc->props = scsi_generic_properties; + dc->vmsd = &vmstate_scsi_device; } static TypeInfo scsi_generic_info = { -- 1.7.7.6