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Date:   Fri, 12 Aug 2022 11:42:50 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alvaro.karsz@...id-run.com, colin.i.king@...il.com,
        colin.king@...el.com, dan.carpenter@...cle.com, david@...hat.com,
        elic@...dia.com, eperezma@...hat.com, gautam.dawar@...inx.com,
        gshan@...hat.com, hdegoede@...hat.com, hulkci@...wei.com,
        jasowang@...hat.com, jiaming@...china.com,
        kangjie.xu@...ux.alibaba.com, lingshan.zhu@...el.com,
        liubo03@...pur.com, michael.christie@...cle.com, mst@...hat.com,
        pankaj.gupta@....com, peng.fan@....com, quic_mingxue@...cinc.com,
        robin.murphy@....com, sgarzare@...hat.com, suwan.kim027@...il.com,
        syoshida@...hat.com, xieyongji@...edance.com,
        xuanzhuo@...ux.alibaba.com, xuqiang36@...wei.com
Subject: [GIT PULL] virtio: fatures, fixes

The following changes since commit 3d7cb6b04c3f3115719235cc6866b10326de34cd:

  Linux 5.19 (2022-07-31 14:03:01 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus

for you to fetch changes up to 93e530d2a1c4c0fcce45e01ae6c5c6287a08d3e3:

  vdpa/mlx5: Fix possible uninitialized return value (2022-08-11 10:00:36 -0400)

----------------------------------------------------------------
virtio: fatures, fixes

A huge patchset supporting vq resize using the
new vq reset capability.
Features, fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

----------------------------------------------------------------
Alvaro Karsz (1):
      net: virtio_net: notifications coalescing support

Bo Liu (3):
      virtio: Check dev_set_name() return value
      vhost-vdpa: Call ida_simple_remove() when failed
      virtio_vdpa: support the arg sizes of find_vqs()

Colin Ian King (1):
      vDPA/ifcvf: remove duplicated assignment to pointer cfg

David Hildenbrand (1):
      drivers/virtio: Clarify CONFIG_VIRTIO_MEM for unsupported architectures

Eli Cohen (3):
      vdpa/mlx5: Implement susupend virtqueue callback
      vdpa/mlx5: Support different address spaces for control and data
      vdpa/mlx5: Fix possible uninitialized return value

Eugenio PĂ©rez (4):
      vdpa: Add suspend operation
      vhost-vdpa: introduce SUSPEND backend feature bit
      vhost-vdpa: uAPI to suspend the device
      vdpa_sim: Implement suspend vdpa op

Jason Wang (2):
      virtio_pmem: initialize provider_data through nd_region_desc
      virtio_pmem: set device ready in probe()

Michael S. Tsirkin (1):
      virtio: VIRTIO_HARDEN_NOTIFICATION is broken

Mike Christie (2):
      vhost-scsi: Fix max number of virtqueues
      vhost scsi: Allow user to control num virtqueues

Minghao Xue (2):
      dt-bindings: virtio: mmio: add optional wakeup-source property
      virtio_mmio: add support to set IRQ of a virtio device as wakeup source

Robin Murphy (1):
      vdpa: Use device_iommu_capable()

Shigeru Yoshida (1):
      virtio-blk: Avoid use-after-free on suspend/resume

Stefano Garzarella (11):
      vringh: iterate on iotlb_translate to handle large translations
      vdpa_sim_blk: use dev_dbg() to print errors
      vdpa_sim_blk: limit the number of request handled per batch
      vdpa_sim_blk: call vringh_complete_iotlb() also in the error path
      vdpa_sim_blk: set number of address spaces and virtqueue groups
      vdpa_sim: use max_iotlb_entries as a limit in vhost_iotlb_init
      tools/virtio: fix build
      vdpa_sim_blk: check if sector is 0 for commands other than read or write
      vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests
      vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH
      vdpa_sim_blk: add support for discard and write-zeroes

Xie Yongji (5):
      vduse: Remove unnecessary spin lock protection
      vduse: Use memcpy_{to,from}_page() in do_bounce()
      vduse: Support using userspace pages as bounce buffer
      vduse: Support registering userspace memory for IOVA regions
      vduse: Support querying information of IOVA regions

Xu Qiang (1):
      vdpa/mlx5: Use eth_broadcast_addr() to assign broadcast address

Xuan Zhuo (44):
      remoteproc: rename len of rpoc_vring to num
      virtio_ring: remove the arg vq of vring_alloc_desc_extra()
      virtio: record the maximum queue num supported by the device.
      virtio: struct virtio_config_ops add callbacks for queue_reset
      virtio_ring: update the document of the virtqueue_detach_unused_buf for queue reset
      virtio_ring: extract the logic of freeing vring
      virtio_ring: split vring_virtqueue
      virtio_ring: introduce virtqueue_init()
      virtio_ring: split: stop __vring_new_virtqueue as export symbol
      virtio_ring: split: __vring_new_virtqueue() accept struct vring_virtqueue_split
      virtio_ring: split: introduce vring_free_split()
      virtio_ring: split: extract the logic of alloc queue
      virtio_ring: split: extract the logic of alloc state and extra
      virtio_ring: split: extract the logic of vring init
      virtio_ring: split: extract the logic of attach vring
      virtio_ring: split: introduce virtqueue_reinit_split()
      virtio_ring: split: reserve vring_align, may_reduce_num
      virtio_ring: split: introduce virtqueue_resize_split()
      virtio_ring: packed: introduce vring_free_packed
      virtio_ring: packed: extract the logic of alloc queue
      virtio_ring: packed: extract the logic of alloc state and extra
      virtio_ring: packed: extract the logic of vring init
      virtio_ring: packed: extract the logic of attach vring
      virtio_ring: packed: introduce virtqueue_reinit_packed()
      virtio_ring: packed: introduce virtqueue_resize_packed()
      virtio_ring: introduce virtqueue_resize()
      virtio_pci: struct virtio_pci_common_cfg add queue_notify_data
      virtio: allow to unbreak/break virtqueue individually
      virtio: queue_reset: add VIRTIO_F_RING_RESET
      virtio_ring: struct virtqueue introduce reset
      virtio_pci: struct virtio_pci_common_cfg add queue_reset
      virtio_pci: introduce helper to get/set queue reset
      virtio_pci: extract the logic of active vq for modern pci
      virtio_pci: support VIRTIO_F_RING_RESET
      virtio: find_vqs() add arg sizes
      virtio_pci: support the arg sizes of find_vqs()
      virtio_mmio: support the arg sizes of find_vqs()
      virtio: add helper virtio_find_vqs_ctx_size()
      virtio_net: set the default max ring size by find_vqs()
      virtio_net: get ringparam by virtqueue_get_vring_max_size()
      virtio_net: split free_unused_bufs()
      virtio_net: support rx queue resize
      virtio_net: support tx queue resize
      virtio_net: support set_ringparam

Zhang Jiaming (1):
      vdpa: ifcvf: Fix spelling mistake in comments

Zhu Lingshan (4):
      vDPA/ifcvf: get_config_size should return a value no greater than dev implementation
      vDPA/ifcvf: support userspace to query features and MQ of a management device
      vDPA: !FEATURES_OK should not block querying device config space
      vDPA: fix 'cast to restricted le16' warnings in vdpa.c

 Documentation/devicetree/bindings/virtio/mmio.yaml |   4 +
 arch/um/drivers/virtio_uml.c                       |   3 +-
 drivers/block/virtio_blk.c                         |  24 +-
 drivers/net/virtio_net.c                           | 325 +++++++-
 drivers/nvdimm/virtio_pmem.c                       |   9 +-
 drivers/platform/mellanox/mlxbf-tmfifo.c           |   3 +
 drivers/remoteproc/remoteproc_core.c               |   4 +-
 drivers/remoteproc/remoteproc_virtio.c             |  13 +-
 drivers/s390/virtio/virtio_ccw.c                   |   4 +
 drivers/vdpa/ifcvf/ifcvf_base.c                    |  14 +-
 drivers/vdpa/ifcvf/ifcvf_base.h                    |   2 +
 drivers/vdpa/ifcvf/ifcvf_main.c                    | 144 ++--
 drivers/vdpa/mlx5/core/mlx5_vdpa.h                 |  11 +
 drivers/vdpa/mlx5/net/mlx5_vnet.c                  | 175 ++++-
 drivers/vdpa/vdpa.c                                |  14 +-
 drivers/vdpa/vdpa_sim/vdpa_sim.c                   |  18 +-
 drivers/vdpa/vdpa_sim/vdpa_sim.h                   |   1 +
 drivers/vdpa/vdpa_sim/vdpa_sim_blk.c               | 176 ++++-
 drivers/vdpa/vdpa_sim/vdpa_sim_net.c               |   3 +
 drivers/vdpa/vdpa_user/iova_domain.c               | 102 ++-
 drivers/vdpa/vdpa_user/iova_domain.h               |   8 +
 drivers/vdpa/vdpa_user/vduse_dev.c                 | 180 +++++
 drivers/vhost/scsi.c                               |  85 ++-
 drivers/vhost/vdpa.c                               |  38 +-
 drivers/vhost/vringh.c                             |  78 +-
 drivers/virtio/Kconfig                             |  11 +-
 drivers/virtio/virtio.c                            |   4 +-
 drivers/virtio/virtio_mmio.c                       |  14 +-
 drivers/virtio/virtio_pci_common.c                 |  32 +-
 drivers/virtio/virtio_pci_common.h                 |   3 +-
 drivers/virtio/virtio_pci_legacy.c                 |   8 +-
 drivers/virtio/virtio_pci_modern.c                 | 153 +++-
 drivers/virtio/virtio_pci_modern_dev.c             |  39 +
 drivers/virtio/virtio_ring.c                       | 814 +++++++++++++++------
 drivers/virtio/virtio_vdpa.c                       |  18 +-
 include/linux/mlx5/mlx5_ifc_vdpa.h                 |   8 +
 include/linux/remoteproc.h                         |   4 +-
 include/linux/vdpa.h                               |   4 +
 include/linux/virtio.h                             |  10 +
 include/linux/virtio_config.h                      |  40 +-
 include/linux/virtio_pci_modern.h                  |   9 +
 include/linux/virtio_ring.h                        |  10 -
 include/uapi/linux/vduse.h                         |  47 ++
 include/uapi/linux/vhost.h                         |   9 +
 include/uapi/linux/vhost_types.h                   |   2 +
 include/uapi/linux/virtio_config.h                 |   7 +-
 include/uapi/linux/virtio_net.h                    |  34 +-
 include/uapi/linux/virtio_pci.h                    |   2 +
 tools/virtio/linux/kernel.h                        |   2 +-
 tools/virtio/linux/vringh.h                        |   1 +
 tools/virtio/virtio_test.c                         |   4 +-
 51 files changed, 2171 insertions(+), 556 deletions(-)

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