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[Qemu-devel] [PATCH 09/15] scsi-generic: add migration support
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 09/15] scsi-generic: add migration support |
Date: |
Mon, 16 Jan 2012 17:30:51 +0100 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
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 0aebcdd..12d7d15 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,
@@ -463,6 +487,7 @@ static SCSIDeviceInfo scsi_generic_info = {
.qdev.desc = "pass through generic scsi device (/dev/sg*)",
.qdev.size = sizeof(SCSIDevice),
.qdev.reset = scsi_generic_reset,
+ .qdev.vmsd = &vmstate_scsi_device,
.init = scsi_generic_initfn,
.destroy = scsi_destroy,
.alloc_req = scsi_new_request,
--
1.7.7.1
- [Qemu-devel] [PATCH 02/15] dma-helpers: add dma_buf_read and dma_buf_write, (continued)
- [Qemu-devel] [PATCH 02/15] dma-helpers: add dma_buf_read and dma_buf_write, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 03/15] dma-helpers: add accounting wrappers, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 04/15] ahci: use new DMA helpers, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 01/15] dma-helpers: make QEMUSGList target independent, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 05/15] scsi: pass residual amount to command_complete, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 08/15] scsi: add SCSIDevice vmstate definitions, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 06/15] scsi: add scatter/gather functionality, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 07/15] scsi-disk: enable scatter/gather functionality, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 10/15] scsi-disk: add migration support, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 13/15] virtio-scsi: add basic SCSI bus operation, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 09/15] scsi-generic: add migration support,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 14/15] virtio-scsi: process control queue requests, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 12/15] virtio-scsi: Add basic request processing infrastructure, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 11/15] virtio-scsi: Add virtio-scsi stub device, Paolo Bonzini, 2012/01/16
- [Qemu-devel] [PATCH 15/15] virtio-scsi: add migration support, Paolo Bonzini, 2012/01/16
- Re: [Qemu-devel] [PATCH v2 00/15] SCSI s/g + SCSI migration + virtio-scsi, Hu Tao, 2012/01/18