Some SCSI drivers like virtio have an internal mapping for the host_status. This patch moves the host_status translation into the SCSI drivers to allow those drivers to set up the correct values.
Signed-off-by: Hannes Reinecke <h...@suse.de> --- hw/scsi/esp.c | 10 ++++++++++ hw/scsi/lsi53c895a.c | 11 +++++++++++ hw/scsi/megasas.c | 9 +++++++++ hw/scsi/mptsas.c | 9 +++++++++ hw/scsi/scsi-disk.c | 10 ++++------ hw/scsi/scsi-generic.c | 8 +++----- hw/scsi/spapr_vscsi.c | 12 +++++++++++- hw/scsi/virtio-scsi.c | 41 +++++++++++++++++++++++++++++++++++++++-- hw/scsi/vmw_pvscsi.c | 25 +++++++++++++++++++++++++ include/hw/scsi/scsi.h | 3 ++- 10 files changed, 123 insertions(+), 15 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 93d9c9c7b9..fc88cfac23 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -28,6 +28,8 @@ #include "migration/vmstate.h" #include "hw/irq.h" #include "hw/scsi/esp.h" +#include "scsi/utils.h" +#include "scsi/constants.h" #include "trace.h" #include "qemu/log.h" #include "qemu/module.h" @@ -489,6 +491,14 @@ void esp_command_complete(SCSIRequest *req, size_t resid) { ESPState *s = req->hba_private; + if (req->host_status != SCSI_HOST_OK) { + SCSISense sense; + + req->status = scsi_sense_from_host_status(req->host_status, &sense); + if (req->status == CHECK_CONDITION) { + scsi_req_build_sense(req, sense); + } + } if (s->rregs[ESP_RSTAT] & STAT_INT) { /* Defer handling command complete until the previous * interrupt has been handled. diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c index a4e58580e4..b6aa98c95a 100644 --- a/hw/scsi/lsi53c895a.c +++ b/hw/scsi/lsi53c895a.c @@ -18,6 +18,8 @@ #include "hw/irq.h" #include "hw/pci/pci.h" #include "hw/scsi/scsi.h" +#include "scsi/utils.h" +#include "scsi/constants.h" #include "migration/vmstate.h" #include "sysemu/dma.h" #include "qemu/log.h" @@ -792,6 +794,15 @@ static void lsi_command_complete(SCSIRequest *req, size_t resid) LSIState *s = LSI53C895A(req->bus->qbus.parent); int out; + if (req->host_status != SCSI_HOST_OK) { + SCSISense sense; + + req->status = scsi_sense_from_host_status(req->host_status, &sense); + if (req->status == CHECK_CONDITION) { + scsi_req_build_sense(req, sense); + } + } + out = (s->sstat1 & PHASE_MASK) == PHASE_DO; trace_lsi_command_complete(req->status); s->status = req->status; diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index 35867dbd40..1f7d806ffa 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -1857,6 +1857,15 @@ static void megasas_command_complete(SCSIRequest *req, size_t resid) MegasasCmd *cmd = req->hba_private; uint8_t cmd_status = MFI_STAT_OK; + if (req->host_status != SCSI_HOST_OK) { + SCSISense sense; + + req->status = scsi_sense_from_host_status(req->host_status, &sense); + if (req->status == CHECK_CONDITION) { + scsi_req_build_sense(req, sense); + } + } + trace_megasas_command_complete(cmd->index, req->status, resid); if (req->io_canceled) { diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c index d4fbfb2da7..be3875ce94 100644 --- a/hw/scsi/mptsas.c +++ b/hw/scsi/mptsas.c @@ -1143,6 +1143,15 @@ static void mptsas_command_complete(SCSIRequest *sreq, hwaddr sense_buffer_addr = req->dev->sense_buffer_high_addr | req->scsi_io.SenseBufferLowAddr; + if (sreq->host_status == SCSI_HOST_OK) { + SCSISense sense; + + sreq->status = scsi_sense_from_host_status(sreq->host_status, &sense); + if (sreq->status == CHECK_CONDITION) { + scsi_req_build_sense(sreq, sense); + } + } + trace_mptsas_command_complete(s, req->scsi_io.MsgContext, sreq->status, resid); diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 6eb0aa3d27..c0cb63707d 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1840,7 +1840,7 @@ static void scsi_disk_emulate_write_data(SCSIRequest *req) case VERIFY_10: case VERIFY_12: case VERIFY_16: - if (r->req.status == -1) { + if (r->req.status == GOOD) { scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); } break; @@ -2122,7 +2122,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) } illegal_request: - if (r->req.status == -1) { + if (r->req.status == GOOD) { scsi_check_condition(r, SENSE_CODE(INVALID_FIELD)); } return 0; @@ -2697,10 +2697,8 @@ static void scsi_block_sgio_complete(void *opaque, int ret) scsi_req_build_sense(&r->req, sense); } else if (status == GOOD && io_hdr.host_status != SCSI_HOST_OK) { - status = scsi_sense_from_host_status(io_hdr.host_status, &sense); - if (status == CHECK_CONDITION) { - scsi_req_build_sense(&r->req, sense); - } + status = INTERMEDIATE_GOOD; + r->req.host_status = io_hdr.host_status; } else if (io_hdr.status == CHECK_CONDITION || io_hdr.driver_status & SG_ERR_DRIVER_SENSE) { status = CHECK_CONDITION; diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index a2b85678b5..eac108fc6e 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -86,11 +86,9 @@ static void scsi_command_complete_noio(SCSIGenericReq *r, int ret) if (status == CHECK_CONDITION) { scsi_req_build_sense(&r->req, sense); } else if (status == GOOD && - io_hdr.host_status != SCSI_HOST_OK) { - status = scsi_sense_from_host_status(io_hdr.host_status, &sense); - if (status == CHECK_CONDITION) { - scsi_req_build_sense(&r->req, sense); - } + io_hdr.host_status != SCSI_HOST_OK) { + status = INTERMEDIATE_GOOD; + r->req.host_status = io_hdr.host_status; } else if (io_hdr.status == CHECK_CONDITION || io_hdr.driver_status & SG_ERR_DRIVER_SENSE) { status = CHECK_CONDITION; diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c index d653b5a6ad..9327a493c3 100644 --- a/hw/scsi/spapr_vscsi.c +++ b/hw/scsi/spapr_vscsi.c @@ -556,6 +556,16 @@ static void vscsi_command_complete(SCSIRequest *sreq, size_t resid) VSCSIState *s = VIO_SPAPR_VSCSI_DEVICE(sreq->bus->qbus.parent); vscsi_req *req = sreq->hba_private; int32_t res_in = 0, res_out = 0; + uint8_t status = sreq->status; + + if (sreq->host_status != SCSI_HOST_OK) { + SCSISense sense; + + sreq->status = scsi_sense_from_host_status(sreq->host_status, &sense); + if (sreq->status == CHECK_CONDITION) { + scsi_req_build_sense(sreq, sense); + } + } trace_spapr_vscsi_command_complete(sreq->tag, sreq->status, req); if (req == NULL) { @@ -575,7 +585,7 @@ static void vscsi_command_complete(SCSIRequest *sreq, size_t resid) } trace_spapr_vscsi_command_complete_status(sreq->status); - if (sreq->status == 0) { + if (sreq->status == GOOD) { /* We handle overflows, not underflows for normal commands, * but hopefully nobody cares */ diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 64cd852d82..62c56713d8 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -504,8 +504,45 @@ static void virtio_scsi_command_complete(SCSIRequest *r, size_t resid) return; } - req->resp.cmd.response = VIRTIO_SCSI_S_OK; - req->resp.cmd.status = r->status; + if (r->host_status != SCSI_HOST_OK) { + req->resp.cmd.status = GOOD; + switch (r->host_status) { + case SCSI_HOST_NO_LUN: + req->resp.cmd.response = VIRTIO_SCSI_S_INCORRECT_LUN; + break; + case SCSI_HOST_BUSY: + req->resp.cmd.response = VIRTIO_SCSI_S_BUSY; + break; + case SCSI_HOST_TIME_OUT: + case SCSI_HOST_ABORTED: + req->resp.cmd.response = VIRTIO_SCSI_S_ABORTED; + break; + case SCSI_HOST_BAD_RESPONSE: + req->resp.cmd.response = VIRTIO_SCSI_S_BAD_TARGET; + break; + case SCSI_HOST_RESET: + req->resp.cmd.response = VIRTIO_SCSI_S_RESET; + break; + case SCSI_HOST_TRANSPORT_DISRUPTED: + req->resp.cmd.response = VIRTIO_SCSI_S_TRANSPORT_FAILURE; + break; + case SCSI_HOST_TARGET_FAILURE: + req->resp.cmd.response = VIRTIO_SCSI_S_TARGET_FAILURE; + break; + case SCSI_HOST_RESERVATION_ERROR: + req->resp.cmd.response = VIRTIO_SCSI_S_NEXUS_FAILURE; + break; + case SCSI_HOST_ALLOCATION_FAILURE: + case SCSI_HOST_MEDIUM_ERROR: + case SCSI_HOST_ERROR: + default: + req->resp.cmd.response = VIRTIO_SCSI_S_FAILURE; + break; + } + } else { + req->resp.cmd.response = VIRTIO_SCSI_S_OK; + req->resp.cmd.status = r->status; + } if (req->resp.cmd.status == GOOD) { req->resp.cmd.resid = virtio_tswap32(vdev, resid); } else { diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c index 0da378ed50..2583105dfd 100644 --- a/hw/scsi/vmw_pvscsi.c +++ b/hw/scsi/vmw_pvscsi.c @@ -522,6 +522,31 @@ pvscsi_command_complete(SCSIRequest *req, size_t resid) } s = pvscsi_req->dev; + if (req->host_status != SCSI_HOST_OK) { + switch (req->host_status) { + case SCSI_HOST_NO_LUN: + pvscsi_req->cmp.hostStatus = BTSTAT_LUNMISMATCH; + break; + case SCSI_HOST_BUSY: + pvscsi_req->cmp.hostStatus = BTSTAT_ABORTQUEUE; + break; + case SCSI_HOST_TIME_OUT: + case SCSI_HOST_ABORTED: + pvscsi_req->cmp.hostStatus = BTSTAT_SENTRST; + break; + case SCSI_HOST_BAD_RESPONSE: + pvscsi_req->cmp.hostStatus = BTSTAT_SELTIMEO; + break; + case SCSI_HOST_RESET: + pvscsi_req->cmp.hostStatus = BTSTAT_BUSRESET; + break; + default: + pvscsi_req->cmp.hostStatus = BTSTAT_HASOFTWARE; + break; + } + req->status = GOOD; + } + if (resid) { /* Short transfer. */ trace_pvscsi_command_complete_data_run(); diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h index 23a9b23e50..a097fecb2a 100644 --- a/include/hw/scsi/scsi.h +++ b/include/hw/scsi/scsi.h @@ -27,7 +27,8 @@ struct SCSIRequest { uint32_t refcount; uint32_t tag; uint32_t lun; - uint32_t status; + uint8_t status; + uint8_t host_status; void *hba_private; size_t resid; SCSICommand cmd; -- 2.16.4