C++ (Cpp) StorPortBusyの例

コード例 #1

0

ファイルを表示

ファイル: helper.c プロジェクト: RayRobben/kvm-guest-drivers-windows

BOOLEAN
SynchronizedTMFRoutine(
    IN PVOID DeviceExtension,
    IN PVOID Context
    )
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSCSI_REQUEST_BLOCK Srb      = (PSCSI_REQUEST_BLOCK) Context;
    PSRB_EXTENSION      srbExt   = SRB_EXTENSION(Srb);
    PVOID               va;
    ULONGLONG           pa;

ENTER_FN();
    SET_VA_PA();
    if (virtqueue_add_buf(adaptExt->vq[VIRTIO_SCSI_CONTROL_QUEUE],
                     &srbExt->sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->cmd, va, pa) >= 0){
        virtqueue_kick(adaptExt->vq[VIRTIO_SCSI_CONTROL_QUEUE]);
        return TRUE;
    }
    SRB_SET_SRB_STATUS(Srb, SRB_STATUS_BUSY);
    StorPortBusy(DeviceExtension, adaptExt->queue_depth);
EXIT_ERR();
    return FALSE;
}

コード例 #2

0

ファイルを表示

ファイル: virtio_stor_hw_helper.c プロジェクト: HitMann1/kvm-guest-drivers-windows

BOOLEAN
SynchronizedReadWriteRoutine(
    IN PVOID DeviceExtension,
    IN PVOID Context
    )
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSCSI_REQUEST_BLOCK Srb      = (PSCSI_REQUEST_BLOCK) Context;
    PRHEL_SRB_EXTENSION srbExt   = (PRHEL_SRB_EXTENSION)Srb->SrbExtension;
    PVOID               va;
    ULONGLONG           pa;

    SET_VA_PA();

    if (adaptExt->vq->vq_ops->add_buf(adaptExt->vq,
                     &srbExt->vbr.sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->vbr, va, pa) >= 0){
        InsertTailList(&adaptExt->list_head, &srbExt->vbr.list_entry);
        adaptExt->vq->vq_ops->kick(adaptExt->vq);
        return TRUE;
    }
    StorPortBusy(DeviceExtension, 5);
    return FALSE;
}

コード例 #3

0

ファイルを表示

ファイル: helper.c プロジェクト: aioupload/kvm-guest-drivers-windows

BOOLEAN
SynchronizedTMFRoutine(
    IN PVOID DeviceExtension,
    IN PVOID Context
    )
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSCSI_REQUEST_BLOCK Srb      = (PSCSI_REQUEST_BLOCK) Context;
    PSRB_EXTENSION      srbExt        = (PSRB_EXTENSION)Srb->SrbExtension;
    PVOID               va;
    ULONGLONG           pa;

ENTER_FN();
    SET_VA_PA();
    if (adaptExt->vq[0]->vq_ops->add_buf(adaptExt->vq[0],
                     &srbExt->sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->cmd, va, pa) >= 0){
        adaptExt->vq[0]->vq_ops->kick(adaptExt->vq[0]);
        return TRUE;
    }
    Srb->SrbStatus = SRB_STATUS_BUSY;
    StorPortBusy(DeviceExtension, adaptExt->queue_depth);
EXIT_ERR();
    return FALSE;
}

コード例 #4

0

ファイルを表示

ファイル: virtio_stor_hw_helper.c プロジェクト: 4khigh/kvm-guest-drivers-windows

BOOLEAN
SynchronizedFlushRoutine(
    IN PVOID DeviceExtension,
    IN PVOID Context
    )
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSCSI_REQUEST_BLOCK Srb      = (PSCSI_REQUEST_BLOCK) Context;
    PRHEL_SRB_EXTENSION srbExt   = (PRHEL_SRB_EXTENSION)Srb->SrbExtension;
    ULONG               fragLen;
    PVOID               va;
    ULONGLONG           pa;

    SET_VA_PA();

    srbExt->vbr.out_hdr.sector = 0;
    srbExt->vbr.out_hdr.ioprio = 0;
    srbExt->vbr.req            = (struct request *)Srb;
    srbExt->vbr.out_hdr.type   = VIRTIO_BLK_T_FLUSH;
    srbExt->out                = 1;
    srbExt->in                 = 1;

    srbExt->vbr.sg[0].physAddr = ScsiPortGetPhysicalAddress(DeviceExtension, NULL, &srbExt->vbr.out_hdr, &fragLen);
    srbExt->vbr.sg[0].length   = sizeof(srbExt->vbr.out_hdr);
    srbExt->vbr.sg[1].physAddr = ScsiPortGetPhysicalAddress(DeviceExtension, NULL, &srbExt->vbr.status, &fragLen);
    srbExt->vbr.sg[1].length   = sizeof(srbExt->vbr.status);

    if (virtqueue_add_buf(adaptExt->vq,
                     &srbExt->vbr.sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->vbr, va, pa) >= 0) {
           virtqueue_kick(adaptExt->vq);
        return TRUE;
    }
    virtqueue_kick(adaptExt->vq);
#ifdef USE_STORPORT
    StorPortBusy(DeviceExtension, 2);
#endif
    return FALSE;
}

コード例 #5

0

ファイルを表示

ファイル: virtio_stor_hw_helper.c プロジェクト: sun363587351/kvm-guest-drivers-windows

BOOLEAN
RhelDoFlush(
    PVOID DeviceExtension,
    PSRB_TYPE Srb,
    BOOLEAN resend,
    BOOLEAN bIsr
    )
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSRB_EXTENSION      srbExt   = SRB_EXTENSION(Srb);
    ULONG               fragLen = 0UL;
    PVOID               va = NULL;
    ULONGLONG           pa = 0ULL;

    ULONG               QueueNumber = 0;
    ULONG               OldIrql = 0;
    ULONG               MessageId = 0;
    BOOLEAN             result = FALSE;
    bool                notify = FALSE;
    STOR_LOCK_HANDLE    LockHandle = { 0 };
    ULONG               status = STOR_STATUS_SUCCESS;
    struct virtqueue    *vq = NULL;

    SET_VA_PA();

    if (resend) {
        MessageId = srbExt->MessageID;
        QueueNumber = MessageId - 1;
    } else if (adaptExt->num_queues > 1) {
        STARTIO_PERFORMANCE_PARAMETERS param;
        param.Size = sizeof(STARTIO_PERFORMANCE_PARAMETERS);
        status = StorPortGetStartIoPerfParams(DeviceExtension, (PSCSI_REQUEST_BLOCK)Srb, &param);
        if (status == STOR_STATUS_SUCCESS && param.MessageNumber != 0) {
           MessageId = param.MessageNumber;
           QueueNumber = MessageId - 1;
           RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("%s srb %p, cpu %d :: QueueNumber %lu, MessageNumber %lu, ChannelNumber %lu.\n",  __FUNCTION__, Srb, srbExt->cpu, QueueNumber, param.MessageNumber, param.ChannelNumber));
        }
        else {
           RhelDbgPrint(TRACE_LEVEL_ERROR, ("%s StorPortGetStartIoPerfParams failed. srb %p cpu %d status 0x%x.\n",__FUNCTION__, Srb, srbExt->cpu, status));
           QueueNumber = 0;
           MessageId = 1;
        }
    } else {
        QueueNumber = 0;
        MessageId = 1;
    }

    srbExt->MessageID = MessageId;
    vq = adaptExt->vq[QueueNumber];

    srbExt->vbr.out_hdr.sector = 0;
    srbExt->vbr.out_hdr.ioprio = 0;
    srbExt->vbr.req            = (struct request *)Srb;
    srbExt->vbr.out_hdr.type   = VIRTIO_BLK_T_FLUSH;
    srbExt->out                = 1;
    srbExt->in                 = 1;

    srbExt->vbr.sg[0].physAddr = StorPortGetPhysicalAddress(DeviceExtension, NULL, &srbExt->vbr.out_hdr, &fragLen);
    srbExt->vbr.sg[0].length   = sizeof(srbExt->vbr.out_hdr);
    srbExt->vbr.sg[1].physAddr = StorPortGetPhysicalAddress(DeviceExtension, NULL, &srbExt->vbr.status, &fragLen);
    srbExt->vbr.sg[1].length   = sizeof(srbExt->vbr.status);

    VioStorVQLock(DeviceExtension, MessageId, &LockHandle, FALSE);
    if (virtqueue_add_buf(vq,
                     &srbExt->vbr.sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->vbr, va, pa) >= 0) {
        notify = virtqueue_kick_prepare(vq);
        VioStorVQUnlock(DeviceExtension, MessageId, &LockHandle, FALSE);
        result = TRUE;
#ifdef DBG
        InterlockedIncrement((LONG volatile*)&adaptExt->inqueue_cnt);
#endif
    }
    else {
        VioStorVQUnlock(DeviceExtension, MessageId, &LockHandle, FALSE);
        RhelDbgPrint(TRACE_LEVEL_FATAL, ("%s Can not add packet to queue %d.\n", __FUNCTION__, QueueNumber));
        StorPortBusy(DeviceExtension, 2);
    }
    if (notify) {
        virtqueue_notify(vq);
    }

    return result;
}

コード例 #6

0

ファイルを表示

ファイル: virtio_stor_hw_helper.c プロジェクト: sun363587351/kvm-guest-drivers-windows

BOOLEAN
RhelDoReadWrite(PVOID DeviceExtension,
                PSRB_TYPE Srb)
{
    PADAPTER_EXTENSION  adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
    PSRB_EXTENSION      srbExt   = SRB_EXTENSION(Srb);
    PVOID               va = NULL;
    ULONGLONG           pa = 0ULL;

    ULONG               QueueNumber = 0;
    ULONG               OldIrql = 0;
    ULONG               MessageId = 0;
    BOOLEAN             result = FALSE;
    bool                notify = FALSE;
    STOR_LOCK_HANDLE    LockHandle = { 0 };
    ULONG               status = STOR_STATUS_SUCCESS;
    struct virtqueue    *vq = NULL;

    SET_VA_PA();

    if (adaptExt->num_queues > 1) {
        STARTIO_PERFORMANCE_PARAMETERS param;
        param.Size = sizeof(STARTIO_PERFORMANCE_PARAMETERS);
        status = StorPortGetStartIoPerfParams(DeviceExtension, (PSCSI_REQUEST_BLOCK)Srb, &param);
        if (status == STOR_STATUS_SUCCESS && param.MessageNumber != 0) {
           MessageId = param.MessageNumber;
           QueueNumber = MessageId - 1;
           RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("%s srb %p, cpu %d :: QueueNumber %lu, MessageNumber %lu, ChannelNumber %lu.\n", __FUNCTION__, Srb, srbExt->cpu, QueueNumber, param.MessageNumber, param.ChannelNumber));
        }
        else {
           RhelDbgPrint(TRACE_LEVEL_ERROR, ("%s StorPortGetStartIoPerfParams failed srb %p cpu %d status 0x%x.\n", __FUNCTION__, Srb, srbExt->cpu, status));
           QueueNumber = 0;
           MessageId = 1;
        }
    }
    else {
        QueueNumber = 0;
        MessageId = 1;
    }

    srbExt->MessageID = MessageId;
    vq = adaptExt->vq[QueueNumber];
    RhelDbgPrint(TRACE_LEVEL_VERBOSE, ("<--->%s : QueueNumber 0x%x vq = %p\n", __FUNCTION__, QueueNumber, vq));

    VioStorVQLock(DeviceExtension, MessageId, &LockHandle, FALSE);
    if (virtqueue_add_buf(vq,
                     &srbExt->vbr.sg[0],
                     srbExt->out, srbExt->in,
                     &srbExt->vbr, va, pa) >= 0) {
        notify = virtqueue_kick_prepare(vq);
        VioStorVQUnlock(DeviceExtension, MessageId, &LockHandle, FALSE);
#ifdef DBG
        InterlockedIncrement((LONG volatile*)&adaptExt->inqueue_cnt);
#endif
        result = TRUE;
    }
    else {
        VioStorVQUnlock(DeviceExtension, MessageId, &LockHandle, FALSE);
        RhelDbgPrint(TRACE_LEVEL_FATAL, ("%s Can not add packet to queue %d.\n", __FUNCTION__, QueueNumber));
        StorPortBusy(DeviceExtension, 2);
    }
    if (notify) {
        virtqueue_notify(vq);
    }

#if (NTDDI_VERSION > NTDDI_WIN7)
    if (adaptExt->num_queues > 1) {
        if (CHECKFLAG(adaptExt->perfFlags, STOR_PERF_OPTIMIZE_FOR_COMPLETION_DURING_STARTIO)) {
           VioStorCompleteRequest(DeviceExtension, MessageId, FALSE);
        }
    }
#endif
    return result;
}