[GIT PULL] virtio: features, fixes, cleanups

From: Michael S. Tsirkin
Date: Wed Jul 17 2024 - 05:31:08 EST


This is relatively small.
I had to drop a buggy commit in the middle so some hashes
changed from what was in linux-next.
Deferred admin vq scalability fix to after rc2 as a minor issue was
found with it recently, but the infrastructure for it
is there now.

The following changes since commit e9d22f7a6655941fc8b2b942ed354ec780936b3e:

Merge tag 'linux_kselftest-fixes-6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest (2024-07-02 13:53:24 -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 6c85d6b653caeba2ef982925703cbb4f2b3b3163:

virtio: rename virtio_find_vqs_info() to virtio_find_vqs() (2024-07-17 05:20:58 -0400)

----------------------------------------------------------------
virtio: features, fixes, cleanups

Several new features here:

- Virtio find vqs API has been reworked
(required to fix the scalability issue we have with
adminq, which I hope to merge later in the cycle)

- vDPA driver for Marvell OCTEON

- virtio fs performance improvement

- mlx5 migration speedups

Fixes, cleanups all over the place.

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

----------------------------------------------------------------
Denis Arefev (1):
net: missing check virtio

Dragos Tatulea (24):
vdpa/mlx5: Clarify meaning thorough function rename
vdpa/mlx5: Make setup/teardown_vq_resources() symmetrical
vdpa/mlx5: Drop redundant code
vdpa/mlx5: Drop redundant check in teardown_virtqueues()
vdpa/mlx5: Iterate over active VQs during suspend/resume
vdpa/mlx5: Remove duplicate suspend code
vdpa/mlx5: Initialize and reset device with one queue pair
vdpa/mlx5: Clear and reinitialize software VQ data on reset
vdpa/mlx5: Rename init_mvqs
vdpa/mlx5: Add support for modifying the virtio_version VQ field
vdpa/mlx5: Add support for modifying the VQ features field
vdpa/mlx5: Set an initial size on the VQ
vdpa/mlx5: Start off rqt_size with max VQPs
vdpa/mlx5: Set mkey modified flags on all VQs
vdpa/mlx5: Allow creation of blank VQs
vdpa/mlx5: Accept Init -> Ready VQ transition in resume_vq()
vdpa/mlx5: Add error code for suspend/resume VQ
vdpa/mlx5: Consolidate all VQ modify to Ready to use resume_vq()
vdpa/mlx5: Forward error in suspend/resume device
vdpa/mlx5: Use suspend/resume during VQP change
vdpa/mlx5: Pre-create hardware VQs at vdpa .dev_add time
vdpa/mlx5: Re-create HW VQs under certain conditions
vdpa/mlx5: Don't reset VQs more than necessary
vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready()

Jeff Johnson (3):
vringh: add MODULE_DESCRIPTION()
virtio: add missing MODULE_DESCRIPTION() macros
vDPA: add missing MODULE_DESCRIPTION() macros

Jiri Pirko (19):
caif_virtio: use virtio_find_single_vq() for single virtqueue finding
virtio: make virtio_find_vqs() call virtio_find_vqs_ctx()
virtio: make virtio_find_single_vq() call virtio_find_vqs()
virtio: introduce virtio_queue_info struct and find_vqs_info() config op
virtio_pci: convert vp_*find_vqs() ops to find_vqs_info()
virtio: convert find_vqs() op implementations to find_vqs_info()
virtio: call virtio_find_vqs_info() from virtio_find_single_vq() directly
virtio: remove the original find_vqs() op
virtio: rename find_vqs_info() op to find_vqs()
virtio_blk: convert to use virtio_find_vqs_info()
virtio_console: convert to use virtio_find_vqs_info()
virtio_crypto: convert to use virtio_find_vqs_info()
virtio_net: convert to use virtio_find_vqs_info()
scsi: virtio_scsi: convert to use virtio_find_vqs_info()
virtiofs: convert to use virtio_find_vqs_info()
virtio_balloon: convert to use virtio_find_vqs_info()
virtio: convert the rest virtio_find_vqs() users to virtio_find_vqs_info()
virtio: remove unused virtio_find_vqs() and virtio_find_vqs_ctx() helpers
virtio: rename virtio_find_vqs_info() to virtio_find_vqs()

Michael S. Tsirkin (2):
vhost/vsock: always initialize seqpacket_allow
vhost: move smp_rmb() into vhost_get_avail_idx()

Peter-Jan Gootzen (2):
virtio-fs: let -ENOMEM bubble up or burst gently
virtio-fs: improved request latencies when Virtio queue is full

Srujana Challa (1):
virtio: vdpa: vDPA driver for Marvell OCTEON DPU devices

Xuan Zhuo (1):
virtio_ring: fix KMSAN error for premapped mode

Yunseong Kim (1):
tools/virtio: creating pipe assertion in vringh_test

Zhu Lingshan (1):
MAINTAINERS: Change lingshan's email to kernel.org

zhenwei pi (1):
virtio_balloon: separate vm events into a function

MAINTAINERS | 7 +-
arch/um/drivers/virt-pci.c | 8 +-
arch/um/drivers/virtio_uml.c | 12 +-
drivers/block/virtio_blk.c | 20 +-
drivers/bluetooth/virtio_bt.c | 13 +-
drivers/char/virtio_console.c | 43 +-
drivers/crypto/virtio/virtio_crypto_core.c | 31 +-
drivers/firmware/arm_scmi/virtio.c | 11 +-
drivers/gpio/gpio-virtio.c | 10 +-
drivers/gpu/drm/virtio/virtgpu_kms.c | 9 +-
drivers/iommu/virtio-iommu.c | 11 +-
drivers/net/caif/caif_virtio.c | 8 +-
drivers/net/virtio_net.c | 34 +-
drivers/net/wireless/virtual/mac80211_hwsim.c | 12 +-
drivers/platform/mellanox/mlxbf-tmfifo.c | 10 +-
drivers/remoteproc/remoteproc_virtio.c | 12 +-
drivers/rpmsg/virtio_rpmsg_bus.c | 8 +-
drivers/s390/virtio/virtio_ccw.c | 13 +-
drivers/scsi/virtio_scsi.c | 32 +-
drivers/vdpa/Kconfig | 11 +
drivers/vdpa/Makefile | 1 +
drivers/vdpa/ifcvf/ifcvf_main.c | 1 +
drivers/vdpa/mlx5/net/mlx5_vnet.c | 429 ++++++++-----
drivers/vdpa/mlx5/net/mlx5_vnet.h | 1 +
drivers/vdpa/octeon_ep/Makefile | 4 +
drivers/vdpa/octeon_ep/octep_vdpa.h | 94 +++
drivers/vdpa/octeon_ep/octep_vdpa_hw.c | 517 ++++++++++++++++
drivers/vdpa/octeon_ep/octep_vdpa_main.c | 857 ++++++++++++++++++++++++++
drivers/vdpa/vdpa.c | 1 +
drivers/vhost/vhost.c | 105 ++--
drivers/vhost/vringh.c | 1 +
drivers/vhost/vsock.c | 4 +-
drivers/virtio/virtio.c | 1 +
drivers/virtio/virtio_balloon.c | 75 ++-
drivers/virtio/virtio_input.c | 9 +-
drivers/virtio/virtio_mmio.c | 12 +-
drivers/virtio/virtio_pci_common.c | 48 +-
drivers/virtio/virtio_pci_common.h | 3 +-
drivers/virtio/virtio_pci_modern.c | 5 +-
drivers/virtio/virtio_ring.c | 5 +-
drivers/virtio/virtio_vdpa.c | 13 +-
fs/fuse/virtio_fs.c | 62 +-
include/linux/mlx5/mlx5_ifc_vdpa.h | 2 +
include/linux/virtio_config.h | 64 +-
include/linux/virtio_net.h | 11 +
net/vmw_vsock/virtio_transport.c | 16 +-
sound/virtio/virtio_card.c | 23 +-
tools/virtio/vringh_test.c | 9 +-
48 files changed, 2145 insertions(+), 543 deletions(-)
create mode 100644 drivers/vdpa/octeon_ep/Makefile
create mode 100644 drivers/vdpa/octeon_ep/octep_vdpa.h
create mode 100644 drivers/vdpa/octeon_ep/octep_vdpa_hw.c
create mode 100644 drivers/vdpa/octeon_ep/octep_vdpa_main.c