search for: virtio_mdev_queue_align

...Is this same as started? > > > Do you mean "status"? I really meant "enabled", didn't remember the correct name. As in: VIRTIO_PCI_COMMON_Q_ENABLE > > > > > > + > > > +/* Alignment of virtqueue - Read Only */ > > > +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 > > > + > > > +/* Queue notifier - Write Only */ > > > +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 > > > + > > > +/* Device status register - Read Write */ > > > +#define VIRTIO_MDEV_STATUS 0x060 > > > + > > > +/* Selected...

...Is this same as started? > > > Do you mean "status"? I really meant "enabled", didn't remember the correct name. As in: VIRTIO_PCI_COMMON_Q_ENABLE > > > > > > + > > > +/* Alignment of virtqueue - Read Only */ > > > +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 > > > + > > > +/* Queue notifier - Write Only */ > > > +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 > > > + > > > +/* Device status register - Read Write */ > > > +#define VIRTIO_MDEV_STATUS 0x060 > > > + > > > +/* Selected...

...EM; > + goto error_kmalloc; > + } > + > + num = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_NUM_MAX); > + if (num == 0) { > + err = -ENOENT; > + goto error_new_virtqueue; > + } > + > + /* Create the vring */ > + align = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_ALIGN); > + vq = vring_create_virtqueue(index, num, align, vdev, > + true, true, ctx, > + virtio_mdev_notify, callback, name); > + if (!vq) { > + err = -ENOMEM; > + goto error_new_virtqueue; > + } > + > + /* Setup virtqueue callback */ > + cb.callback = virti...

...EM; > + goto error_kmalloc; > + } > + > + num = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_NUM_MAX); > + if (num == 0) { > + err = -ENOENT; > + goto error_new_virtqueue; > + } > + > + /* Create the vring */ > + align = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_ALIGN); > + vq = vring_create_virtqueue(index, num, align, vdev, > + true, true, ctx, > + virtio_mdev_notify, callback, name); > + if (!vq) { > + err = -ENOMEM; > + goto error_new_virtqueue; > + } > + > + /* Setup virtqueue callback */ > + cb.callback = virti...

...QUEUE_NUM 0x038 >> + >> +/* Ready bit for the currently selected queue - Read Write */ >> +#define VIRTIO_MDEV_QUEUE_READY 0x044 > Is this same as started? Do you mean "status"? > >> + >> +/* Alignment of virtqueue - Read Only */ >> +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 >> + >> +/* Queue notifier - Write Only */ >> +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 >> + >> +/* Device status register - Read Write */ >> +#define VIRTIO_MDEV_STATUS 0x060 >> + >> +/* Selected queue's Descriptor Table address, 64 bits in...

...> +/* Queue size for the currently selected queue - Write Only */ > +#define VIRTIO_MDEV_QUEUE_NUM 0x038 > + > +/* Ready bit for the currently selected queue - Read Write */ > +#define VIRTIO_MDEV_QUEUE_READY 0x044 > + > +/* Alignment of virtqueue - Read Only */ > +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 > + > +/* Queue notifier - Write Only */ > +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 > + > +/* Device status register - Read Write */ > +#define VIRTIO_MDEV_STATUS 0x060 > + > +/* Selected queue's Descriptor Table address, 64 bits in two halves */ > +#define VIR...

...> +/* Queue size for the currently selected queue - Write Only */ > +#define VIRTIO_MDEV_QUEUE_NUM 0x038 > + > +/* Ready bit for the currently selected queue - Read Write */ > +#define VIRTIO_MDEV_QUEUE_READY 0x044 > + > +/* Alignment of virtqueue - Read Only */ > +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 > + > +/* Queue notifier - Write Only */ > +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 > + > +/* Device status register - Read Write */ > +#define VIRTIO_MDEV_STATUS 0x060 > + > +/* Selected queue's Descriptor Table address, 64 bits in two halves */ > +#define VIR...

...gt; Do you mean "status"? > I really meant "enabled", didn't remember the correct name. > As in: VIRTIO_PCI_COMMON_Q_ENABLE Yes, it's the same. Thanks > >>>> + >>>> +/* Alignment of virtqueue - Read Only */ >>>> +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 >>>> + >>>> +/* Queue notifier - Write Only */ >>>> +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 >>>> + >>>> +/* Device status register - Read Write */ >>>> +#define VIRTIO_MDEV_STATUS 0x060 >>>> + >>>&g...

...zeof(*info), GFP_KERNEL); + if (!info) { + err = -ENOMEM; + goto error_kmalloc; + } + + num = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_NUM_MAX); + if (num == 0) { + err = -ENOENT; + goto error_new_virtqueue; + } + + /* Create the vring */ + align = virtio_mdev_readl(vm_dev->mdev, VIRTIO_MDEV_QUEUE_ALIGN); + vq = vring_create_virtqueue(index, num, align, vdev, + true, true, ctx, + virtio_mdev_notify, callback, name); + if (!vq) { + err = -ENOMEM; + goto error_new_virtqueue; + } + + /* Setup virtqueue callback */ + cb.callback = virtio_mdev_virtqueue_cb; + cb.private = info; + err =...

...quot;, didn't remember the correct name. > > As in: VIRTIO_PCI_COMMON_Q_ENABLE > > > Yes, it's the same. > > Thanks > > > > > > > > > + > > > > > +/* Alignment of virtqueue - Read Only */ > > > > > +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 > > > > > + > > > > > +/* Queue notifier - Write Only */ > > > > > +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 > > > > > + > > > > > +/* Device status register - Read Write */ > > > > > +#define VIRTIO_MDEV...

Hi all: There are hardware that can do virtio datapath offloading while having its own control path. This path tries to implement a mdev based unified API to support using kernel virtio driver to drive those devices. This is done by introducing a new mdev transport for virtio (virtio_mdev) and register itself as a new kind of mdev driver. Then it provides a unified way for kernel virtio driver to

...currently selected queue - Write Only */ >> +#define VIRTIO_MDEV_QUEUE_NUM 0x038 >> + >> +/* Ready bit for the currently selected queue - Read Write */ >> +#define VIRTIO_MDEV_QUEUE_READY 0x044 >> + >> +/* Alignment of virtqueue - Read Only */ >> +#define VIRTIO_MDEV_QUEUE_ALIGN 0x048 >> + >> +/* Queue notifier - Write Only */ >> +#define VIRTIO_MDEV_QUEUE_NOTIFY 0x050 >> + >> +/* Device status register - Read Write */ >> +#define VIRTIO_MDEV_STATUS 0x060 >> + >> +/* Selected queue's Descriptor Table address, 64 bits in...

...ce_features_sel) > + *val = mvnet_features >> 32; > + else > + *val = mvnet_features; > + break; > + case VIRTIO_MDEV_QUEUE_NUM_MAX: > + *val = MVNET_QUEUE_MAX; > + break; > + case VIRTIO_MDEV_QUEUE_READY: > + *val = vq->ready; > + break; > + case VIRTIO_MDEV_QUEUE_ALIGN: > + *val = MVNET_QUEUE_ALIGN; > + break; > + case VIRTIO_MDEV_STATUS: > + *val = mvnet->status; > + break; > + case VIRTIO_MDEV_QUEUE_DESC_LOW: > + *val = vq->desc_addr_lo; > + break; > + case VIRTIO_MDEV_QUEUE_DESC_HIGH: > + *val = vq->desc_addr_hi; &...

...case VIRTIO_MDEV_DEVICE_FEATURES: + if (mvnet->device_features_sel) + *val = mvnet_features >> 32; + else + *val = mvnet_features; + break; + case VIRTIO_MDEV_QUEUE_NUM_MAX: + *val = MVNET_QUEUE_MAX; + break; + case VIRTIO_MDEV_QUEUE_READY: + *val = vq->ready; + break; + case VIRTIO_MDEV_QUEUE_ALIGN: + *val = MVNET_QUEUE_ALIGN; + break; + case VIRTIO_MDEV_STATUS: + *val = mvnet->status; + break; + case VIRTIO_MDEV_QUEUE_DESC_LOW: + *val = vq->desc_addr_lo; + break; + case VIRTIO_MDEV_QUEUE_DESC_HIGH: + *val = vq->desc_addr_hi; + break; + case VIRTIO_MDEV_QUEUE_AVAIL_LOW: + *v...