search for: virtio_balloon_f_cmd_vq

...virtio_balloon *vb, + struct virtio_balloon_cmdq_hdr *hdr) +{ + struct scatterlist sg; + + hdr->flags = 0; + sg_init_one(&sg, hdr, VIRTIO_BALLOON_CMDQ_HDR_SIZE); + + if (virtqueue_add_inbuf(vb->cmd_vq, &sg, 1, hdr, GFP_KERNEL) < 0) { + __virtio_clear_bit(vb->vdev, + VIRTIO_BALLOON_F_CMD_VQ); + dev_warn(&vb->vdev->dev, "%s: add miscq msg buf err\n", + __func__); + return; + } + + virtqueue_kick(vb->cmd_vq); +} + +static void cmdq_handle_unused_pages(struct virtio_balloon *vb) +{ + struct virtqueue *vq = vb->cmd_vq; + struct vring_desc *hdr_desc = &vb...

..."inflate", "deflate", "stats" }; - int err, nvqs; + struct virtqueue **vqs; + vq_callback_t **callbacks; + const char **names; + int err = -ENOMEM; + int nvqs; + + /* Inflateq and deflateq are used unconditionally */ + nvqs = 2; + + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_CMD_VQ) || + virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) + nvqs++; + + /* Allocate space for find_vqs parameters */ + vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL); + if (!vqs) + goto err_vq; + callbacks = kmalloc_array(nvqs, sizeof(*callbacks), GFP_KERNEL); + if (!callbacks) + goto...

On 06/09/2017 03:41 AM, Wei Wang wrote: > + for_each_populated_zone(zone) { > + for (order = MAX_ORDER - 1; order > 0; order--) { > + for (migratetype = 0; migratetype < MIGRATE_TYPES; > + migratetype++) { > + do { > + ret = report_unused_page_block(zone, > + order, migratetype, &page); > + if (!ret) { > + pfn =

On 06/09/2017 03:41 AM, Wei Wang wrote: > + for_each_populated_zone(zone) { > + for (order = MAX_ORDER - 1; order > 0; order--) { > + for (migratetype = 0; migratetype < MIGRATE_TYPES; > + migratetype++) { > + do { > + ret = report_unused_page_block(zone, > + order, migratetype, &page); > + if (!ret) { > + pfn =

On 07/13/2017 08:22 AM, Michael S. Tsirkin wrote: > On Wed, Jul 12, 2017 at 08:40:21PM +0800, Wei Wang wrote: >> Add a new vq, cmdq, to handle requests between the device and driver. >> >> This patch implements two commands sent from the device and handled in >> the driver. >> 1) VIRTIO_BALLOON_CMDQ_REPORT_STATS: this command is used to report >> the guest

On 06/28/2017 11:01 PM, Michael S. Tsirkin wrote: > On Thu, Jun 22, 2017 at 04:40:39PM +0800, Wei Wang wrote: >> On 06/21/2017 08:28 PM, Michael S. Tsirkin wrote: >>> On Wed, Jun 21, 2017 at 11:28:00AM +0800, Wei Wang wrote: >>>> On 06/21/2017 12:18 AM, Michael S. Tsirkin wrote: >>>>> On Fri, Jun 09, 2017 at 06:41:41PM +0800, Wei Wang wrote:

...quot; }; > - int err, nvqs; > + struct virtqueue **vqs; > + vq_callback_t **callbacks; > + const char **names; > + int err = -ENOMEM; > + int nvqs; > + > + /* Inflateq and deflateq are used unconditionally */ > + nvqs = 2; > + > + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_CMD_VQ) || > + virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) > + nvqs++; > + > + /* Allocate space for find_vqs parameters */ > + vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL); > + if (!vqs) > + goto err_vq; > + callbacks = kmalloc_array(nvqs, sizeof(*callbacks)...

...quot; }; > - int err, nvqs; > + struct virtqueue **vqs; > + vq_callback_t **callbacks; > + const char **names; > + int err = -ENOMEM; > + int nvqs; > + > + /* Inflateq and deflateq are used unconditionally */ > + nvqs = 2; > + > + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_CMD_VQ) || > + virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) > + nvqs++; > + > + /* Allocate space for find_vqs parameters */ > + vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL); > + if (!vqs) > + goto err_vq; > + callbacks = kmalloc_array(nvqs, sizeof(*callbacks)...

On Fri, Jun 09, 2017 at 06:41:41PM +0800, Wei Wang wrote: > - if (!virtqueue_indirect_desc_table_add(vq, desc, num)) { > + if (!virtqueue_indirect_desc_table_add(vq, desc, *num)) { > virtqueue_kick(vq); > - wait_event(vb->acked, virtqueue_get_buf(vq, &len)); > - vb->balloon_page_chunk.chunk_num = 0; > + if (busy_wait) > + while (!virtqueue_get_buf(vq,

On Fri, Jun 09, 2017 at 06:41:41PM +0800, Wei Wang wrote: > - if (!virtqueue_indirect_desc_table_add(vq, desc, num)) { > + if (!virtqueue_indirect_desc_table_add(vq, desc, *num)) { > virtqueue_kick(vq); > - wait_event(vb->acked, virtqueue_get_buf(vq, &len)); > - vb->balloon_page_chunk.chunk_num = 0; > + if (busy_wait) > + while (!virtqueue_get_buf(vq,

...st Matthew Wilcox (1): Introduce xbitmap Wei Wang (6): virtio-balloon: coding format cleanup xbitmap: add xb_find_next_bit() and xb_zero() virtio-balloon: VIRTIO_BALLOON_F_SG mm: support reporting free page blocks mm: export symbol of next_zone and first_online_pgdat virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ drivers/virtio/virtio_balloon.c | 414 ++++++++++++++++++++++++++++++++---- drivers/virtio/virtio_ring.c | 224 +++++++++++++++++-- include/linux/mm.h | 5 + include/linux/radix-tree.h | 2 + include/linux/virtio.h | 22 ++ include/linux/xbit...

...st Matthew Wilcox (1): Introduce xbitmap Wei Wang (6): virtio-balloon: coding format cleanup xbitmap: add xb_find_next_bit() and xb_zero() virtio-balloon: VIRTIO_BALLOON_F_SG mm: support reporting free page blocks mm: export symbol of next_zone and first_online_pgdat virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ drivers/virtio/virtio_balloon.c | 414 ++++++++++++++++++++++++++++++++---- drivers/virtio/virtio_ring.c | 224 +++++++++++++++++-- include/linux/mm.h | 5 + include/linux/radix-tree.h | 2 + include/linux/virtio.h | 22 ++ include/linux/xbit...

...nused pages. Liang Li (1): virtio-balloon: deflate via a page list Wei Wang (5): virtio-balloon: coding format cleanup virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS mm: function to offer a page block on the free list mm: export symbol of next_zone and first_online_pgdat virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ drivers/virtio/virtio_balloon.c | 781 ++++++++++++++++++++++++++++++++---- drivers/virtio/virtio_ring.c | 120 +++++- include/linux/mm.h | 5 + include/linux/virtio.h | 7 + include/uapi/linux/virtio_balloon.h | 14 + include/uapi/linux/virtio_ring.h...

...nused pages. Liang Li (1): virtio-balloon: deflate via a page list Wei Wang (5): virtio-balloon: coding format cleanup virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS mm: function to offer a page block on the free list mm: export symbol of next_zone and first_online_pgdat virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ drivers/virtio/virtio_balloon.c | 781 ++++++++++++++++++++++++++++++++---- drivers/virtio/virtio_ring.c | 120 +++++- include/linux/mm.h | 5 + include/linux/virtio.h | 7 + include/uapi/linux/virtio_balloon.h | 14 + include/uapi/linux/virtio_ring.h...