Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20201101.0' into staging

VFIO update 2020-11-01

* Migration support (Kirti Wankhede)
* s390 DMA limiting (Matthew Rosato)
* zPCI h

Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20201101.0' into staging

VFIO update 2020-11-01

* Migration support (Kirti Wankhede)
* s390 DMA limiting (Matthew Rosato)
* zPCI hardware info (Matthew Rosato)
* Lock guard (Amey Narkhede)
* Print fixes (Zhengui li)
* Warning/build fixes

# gpg: Signature made Sun 01 Nov 2020 20:38:10 GMT
# gpg: using RSA key 239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" [full]
# gpg: aka "Alex Williamson <alex@shazbot.org>" [full]
# gpg: aka "Alex Williamson <alwillia@redhat.com>" [full]
# gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>" [full]
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B 8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-update-20201101.0: (32 commits)
vfio: fix incorrect print type
hw/vfio: Use lock guard macros
s390x/pci: get zPCI function info from host
vfio: Add routine for finding VFIO_DEVICE_GET_INFO capabilities
s390x/pci: use a PCI Function structure
s390x/pci: clean up s390 PCI groups
s390x/pci: use a PCI Group structure
s390x/pci: create a header dedicated to PCI CLP
s390x/pci: Honor DMA limits set by vfio
s390x/pci: Add routine to get the vfio dma available count
vfio: Find DMA available capability
vfio: Create shared routine for scanning info capabilities
s390x/pci: Move header files to include/hw/s390x
linux-headers: update against 5.10-rc1
update-linux-headers: Add vfio_zdev.h
qapi: Add VFIO devices migration stats in Migration stats
vfio: Make vfio-pci device migration capable
vfio: Add ioctl to get dirty pages bitmap during dma unmap
vfio: Dirty page tracking when vIOMMU is enabled
vfio: Add vfio_listener_log_sync to mark dirty pages
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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s390x/pci: create a header dedicated to PCI CLP

To have a clean separation between s390-pci-bus.h and s390-pci-inst.h
headers we export the PCI CLP instructions in a dedicated header.

Signed-off-by

s390x/pci: create a header dedicated to PCI CLP

To have a clean separation between s390-pci-bus.h and s390-pci-inst.h
headers we export the PCI CLP instructions in a dedicated header.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

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s390x/pci: Honor DMA limits set by vfio

When an s390 guest is using lazy unmapping, it can result in a very
large number of oustanding DMA requests, far beyond the default
limit configured for vfio.

s390x/pci: Honor DMA limits set by vfio

When an s390 guest is using lazy unmapping, it can result in a very
large number of oustanding DMA requests, far beyond the default
limit configured for vfio. Let's track DMA usage similar to vfio
in the host, and trigger the guest to flush their DMA mappings
before vfio runs out.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: non-Linux build fixes]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

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s390x/pci: Move header files to include/hw/s390x

Seems a more appropriate location for them.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Si

s390x/pci: Move header files to include/hw/s390x

Seems a more appropriate location for them.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

show more ...