This pull request contains the following changes for UML:

- Support for VMAP_STACK
 - Support for splice_write in hostfs
 - Fixes for virt-pci
 - Fixes for virtio_uml
 - Various fixes
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Merge tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - Support for VMAP_STACK

 - Support for splice_write in hostfs

 - Fixes for virt-pci

 - Fixes for virtio_uml

 - Various fixes

* tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: fix stub location calculation
  um: virt-pci: fix uapi documentation
  um: enable VMAP_STACK
  um: virt-pci: don't do DMA from stack
  hostfs: support splice_write
  um: virtio_uml: fix memory leak on init failures
  um: virtio_uml: include linux/virtio-uml.h
  lib/logic_iomem: fix sparse warnings
  um: make PCI emulation driver init/exit static
This commit is contained in:
Linus Torvalds 2021-09-09 13:45:26 -07:00
commit d6c338a741
10 changed files with 124 additions and 42 deletions

View file

@ -9,13 +9,14 @@
/**
* enum virtio_pcidev_ops - virtual PCI device operations
* @VIRTIO_PCIDEV_OP_RESERVED: reserved to catch errors
* @VIRTIO_PCIDEV_OP_CFG_READ: read config space, size is 1, 2, 4 or 8;
* the @data field should be filled in by the device (in little endian).
* @VIRTIO_PCIDEV_OP_CFG_WRITE: write config space, size is 1, 2, 4 or 8;
* the @data field contains the data to write (in little endian).
* @VIRTIO_PCIDEV_OP_BAR_READ: read BAR mem/pio, size can be variable;
* @VIRTIO_PCIDEV_OP_MMIO_READ: read BAR mem/pio, size can be variable;
* the @data field should be filled in by the device (in little endian).
* @VIRTIO_PCIDEV_OP_BAR_WRITE: write BAR mem/pio, size can be variable;
* @VIRTIO_PCIDEV_OP_MMIO_WRITE: write BAR mem/pio, size can be variable;
* the @data field contains the data to write (in little endian).
* @VIRTIO_PCIDEV_OP_MMIO_MEMSET: memset MMIO, size is variable but
* the @data field only has one byte (unlike @VIRTIO_PCIDEV_OP_MMIO_WRITE)