Thu, Jul 04, 2024 at 01:33:29PM CEST, xuanzhuo@xxxxxxxxxxxxxxxxx wrote: >Do you know this: http://lore.kernel.org/all/20240424091533.86949-1-xuanzhuo@xxxxxxxxxxxxxxxxx > >This seems to do the same thing. That works in process. No clue about this. But your patchset is working thing on a slightly different level. Still applicable on top of mine, I don't see any problem. > >Thanks. > >On Thu, 4 Jul 2024 08:43:31 +0200, Jiri Pirko <jiri@xxxxxxxxxxx> wrote: >> From: Jiri Pirko <jiri@xxxxxxxxxx> >> >> Currently, virtio_find_vqs() and virtio_find_vqs_ctx() accept array of >> names, callbacks and ctx (in case of the second one) as separate args. >> That became inconvenient as the ctx addition showed. >> >> For virtio_net control queue, an indication of queue flavour (slow path) >> is going to be needed to be passed to PCI transport in order to >> assign vectors properly, another array added to virtio_find_vqs_ctx() >> arg list would not be nice and convenient. >> >> Instead, introduce a structure to carry vq callback, name and ctx. Pass >> array of these structures to virtio_find_vqs() and all the way down to >> transport find_vqs() op implementation. >> >> That allows to easily extend what needs to be passed down. Also, it >> makes the code a bit more cleaner. We get rid of separate >> virtio_find_vqs_ctx() helper. >> >> This patchset does the conversion in steps, using temporary _info() op >> and helper. Note they are renamed back. >> >> Patch #1 does one forgotten conversion to virtio_find_single_vq(). >> Patches #2 and #3 do preparations for find_vqs_info() op introduction. >> Patch #4 introduces new op find_vqs_info() to replace find_vqs() it also >> introduces struct virtio_queue_info and virtio_find_vqs_info() helper. >> Patches #5 and #6 convert transports to implement find_vqs_info() op >> that accepts array of virtio_queue_info structs. >> Patch #7 converts virtio_find_single_vq() to use the new way as well. >> Patch #8 removes original find_vqs() op. >> Patch #9 renames find_vqs_info() to find_vqs() and completes first part >> of conversion this patches does. >> Patches #10-#17 convert virtio_find_vqs() and virtio_find_vqs_ctx() >> users to use new virtio_find_vqs_info() helper. >> Patch #18 removes no longer used virtio_find_vqs() and >> virtio_find_vqs_ctx() helpers. >> Patch #19 finalizes the conversion by renaming virtio_find_vqs_info() >> to virtio_find_vqs(). >> >> --- >> v1->v2: >> - added forgotten VIRTIO_SND_VQ_MAX for array size in virtio_card.c >> - s/virtio_queue_info/virtqueue_info/ >> - fixed comments for struct virtqueue_info >> - rebased on top of recent code changes (virtio_fs.c) >> - see individual patches changelog for more details >> >> 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() >> >> 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/virtio/virtio_balloon.c | 32 ++++------ >> 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_vdpa.c | 13 ++-- >> fs/fuse/virtio_fs.c | 22 +++---- >> include/linux/virtio_config.h | 60 +++++++++---------- >> net/vmw_vsock/virtio_transport.c | 16 ++--- >> sound/virtio/virtio_card.c | 23 ++++--- >> 29 files changed, 238 insertions(+), 302 deletions(-) >> >> -- >> 2.45.2 >>
