diff options
Diffstat (limited to 'hw/virtio-scsi.c')
| -rw-r--r-- | hw/virtio-scsi.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c index 5f737acd97..bfe1860505 100644 --- a/hw/virtio-scsi.c +++ b/hw/virtio-scsi.c @@ -24,11 +24,6 @@ #define VIRTIO_SCSI_MAX_TARGET 255 #define VIRTIO_SCSI_MAX_LUN 16383 -/* Feature Bits */ -#define VIRTIO_SCSI_F_INOUT 0 -#define VIRTIO_SCSI_F_HOTPLUG 1 -#define VIRTIO_SCSI_F_CHANGE 2 - /* Response codes */ #define VIRTIO_SCSI_S_OK 0 #define VIRTIO_SCSI_S_OVERRUN 1 @@ -207,9 +202,9 @@ static void virtio_scsi_bad_req(void) } static void qemu_sgl_init_external(QEMUSGList *qsgl, struct iovec *sg, - target_phys_addr_t *addr, int num) + hwaddr *addr, int num) { - memset(qsgl, 0, sizeof(*qsgl)); + qemu_sglist_init(qsgl, num, &dma_context_memory); while (num--) { qemu_sglist_add(qsgl, *(addr++), (sg++)->iov_len); } @@ -429,15 +424,17 @@ static void virtio_scsi_command_complete(SCSIRequest *r, uint32_t status, size_t resid) { VirtIOSCSIReq *req = r->hba_private; + uint32_t sense_len; req->resp.cmd->response = VIRTIO_SCSI_S_OK; req->resp.cmd->status = status; if (req->resp.cmd->status == GOOD) { - req->resp.cmd->resid = resid; + req->resp.cmd->resid = tswap32(resid); } else { req->resp.cmd->resid = 0; - req->resp.cmd->sense_len = - scsi_req_get_sense(r, req->resp.cmd->sense, VIRTIO_SCSI_SENSE_SIZE); + sense_len = scsi_req_get_sense(r, req->resp.cmd->sense, + VIRTIO_SCSI_SENSE_SIZE); + req->resp.cmd->sense_len = tswap32(sense_len); } virtio_scsi_complete_req(req); } @@ -537,8 +534,8 @@ static void virtio_scsi_get_config(VirtIODevice *vdev, stl_raw(&scsiconf->event_info_size, sizeof(VirtIOSCSIEvent)); stl_raw(&scsiconf->sense_size, s->sense_size); stl_raw(&scsiconf->cdb_size, s->cdb_size); - stl_raw(&scsiconf->max_channel, VIRTIO_SCSI_MAX_CHANNEL); - stl_raw(&scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET); + stw_raw(&scsiconf->max_channel, VIRTIO_SCSI_MAX_CHANNEL); + stw_raw(&scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET); stl_raw(&scsiconf->max_lun, VIRTIO_SCSI_MAX_LUN); } @@ -561,8 +558,6 @@ static void virtio_scsi_set_config(VirtIODevice *vdev, static uint32_t virtio_scsi_get_features(VirtIODevice *vdev, uint32_t requested_features) { - requested_features |= (1UL << VIRTIO_SCSI_F_HOTPLUG); - requested_features |= (1UL << VIRTIO_SCSI_F_CHANGE); return requested_features; } @@ -603,6 +598,10 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev, VirtIOSCSIEvent *evt; int in_size; + if (!(s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) { + return; + } + if (!req) { s->events_dropped = true; return; @@ -655,7 +654,6 @@ static void virtio_scsi_change(SCSIBus *bus, SCSIDevice *dev, SCSISense sense) VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); if (((s->vdev.guest_features >> VIRTIO_SCSI_F_CHANGE) & 1) && - (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) && dev->type != TYPE_ROM) { virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_PARAM_CHANGE, sense.asc | (sense.ascq << 8)); @@ -666,8 +664,7 @@ static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev) { VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus); - if (((s->vdev.guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) && - (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) { + if ((s->vdev.guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) { virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_TRANSPORT_RESET, VIRTIO_SCSI_EVT_RESET_RESCAN); } |