diff options
| -rw-r--r-- | hw/scsi/spapr_vscsi.c | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c index b0858e9299..46f44558d5 100644 --- a/hw/scsi/spapr_vscsi.c +++ b/hw/scsi/spapr_vscsi.c @@ -578,6 +578,69 @@ static void vscsi_request_cancelled(SCSIRequest *sreq) vscsi_put_req(req); } +static const VMStateDescription vmstate_spapr_vscsi_req = { + .name = "spapr_vscsi_req", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField []) { + VMSTATE_BUFFER(crq.raw, vscsi_req), + VMSTATE_BUFFER(iu.srp.reserved, vscsi_req), + VMSTATE_UINT32(qtag, vscsi_req), + VMSTATE_BOOL(active, vscsi_req), + VMSTATE_UINT32(data_len, vscsi_req), + VMSTATE_BOOL(writing, vscsi_req), + VMSTATE_UINT32(senselen, vscsi_req), + VMSTATE_BUFFER(sense, vscsi_req), + VMSTATE_UINT8(dma_fmt, vscsi_req), + VMSTATE_UINT16(local_desc, vscsi_req), + VMSTATE_UINT16(total_desc, vscsi_req), + VMSTATE_UINT16(cdb_offset, vscsi_req), + /*Restart SCSI request from the beginning for now */ + /*VMSTATE_UINT16(cur_desc_num, vscsi_req), + VMSTATE_UINT16(cur_desc_offset, vscsi_req),*/ + VMSTATE_END_OF_LIST() + }, +}; + +static void vscsi_save_request(QEMUFile *f, SCSIRequest *sreq) +{ + vscsi_req *req = sreq->hba_private; + assert(req->active); + + vmstate_save_state(f, &vmstate_spapr_vscsi_req, req); + + dprintf("VSCSI: saving tag=%u, current desc#%d, offset=%x\n", + req->qtag, req->cur_desc_num, req->cur_desc_offset); +} + +static void *vscsi_load_request(QEMUFile *f, SCSIRequest *sreq) +{ + SCSIBus *bus = sreq->bus; + VSCSIState *s = VIO_SPAPR_VSCSI_DEVICE(bus->qbus.parent); + vscsi_req *req; + int rc; + + assert(sreq->tag < VSCSI_REQ_LIMIT); + req = &s->reqs[sreq->tag]; + assert(!req->active); + + memset(req, 0, sizeof(*req)); + rc = vmstate_load_state(f, &vmstate_spapr_vscsi_req, req, 1); + if (rc) { + fprintf(stderr, "VSCSI: failed loading request tag#%u\n", sreq->tag); + return NULL; + } + assert(req->active); + + req->sreq = scsi_req_ref(sreq); + + dprintf("VSCSI: restoring tag=%u, current desc#%d, offset=%x\n", + req->qtag, req->cur_desc_num, req->cur_desc_offset); + + return req; +} + static void vscsi_process_login(VSCSIState *s, vscsi_req *req) { union viosrp_iu *iu = &req->iu; @@ -932,7 +995,9 @@ static const struct SCSIBusInfo vscsi_scsi_info = { .transfer_data = vscsi_transfer_data, .complete = vscsi_command_complete, - .cancel = vscsi_request_cancelled + .cancel = vscsi_request_cancelled, + .save_request = vscsi_save_request, + .load_request = vscsi_load_request, }; static void spapr_vscsi_reset(VIOsPAPRDevice *dev) @@ -996,6 +1061,20 @@ static Property spapr_vscsi_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static const VMStateDescription vmstate_spapr_vscsi = { + .name = "spapr_vscsi", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField []) { + VMSTATE_SPAPR_VIO(vdev, VSCSIState), + /* VSCSI state */ + /* ???? */ + + VMSTATE_END_OF_LIST() + }, +}; + static void spapr_vscsi_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -1010,6 +1089,7 @@ static void spapr_vscsi_class_init(ObjectClass *klass, void *data) k->signal_mask = 0x00000001; dc->props = spapr_vscsi_properties; k->rtce_window_size = 0x10000000; + dc->vmsd = &vmstate_spapr_vscsi; } static const TypeInfo spapr_vscsi_info = { |