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Thus far, the client end of the socket is the only piece of client state
tracked in tests, for which a global `socket` variable has been used. In
preparation to add more state, replace the `socket` global with a
`client` global object that groups all client state.
Signed-off-by: Mattias Nissler <mnissler@rivosinc.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
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Signed-off-by: Florian Freudiger <25648113+FlorianFreudiger@users.noreply.github.com>
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A reset callback is allowed to call functions disallowed in quiescent
state. However, the FLR reset path neglected to account for this
properly, causing an incorrect assert to be triggered if, for example,
vfu_sgl_put() is called. To fix this, make sure all reset paths go
through call_reset_cb().
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
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Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
Reported-by: Eduardo Lima <eblima@gmail.com>
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When an ioeventfd is written to, KVM discards the value since it has no
memory to write it to, and simply kicks the eventfd. This a problem for
devices such a NVMe controllers that need the value (e.g. doorbells on
BAR0). This patch allows the vfio-user server to pass a file descriptor
that can be mmap'ed and KVM can write the ioeventfd value to this
_shadow_ memory instead of discarding it. This shadow memory is not
exposed to the guest.
Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
Change-Id: Iad849c94076ffa5988e034c8bf7ec312d01f095f
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Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
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Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: John Leon <john.levon@nutanix.com>
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Aside from general style goodness, this found a couple of accidental
re-definitions, so it's worth taking the pain now.
Also, only run rstlint as part of pre-push.
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
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* superficially handle Device Control 2 and Link Control 2
Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
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- we should only accept one range, not multiple ones
- clearly define and implement argsz behaviour
- we need to check if migration is configured
- add proper test coverage; move existing testing to python
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
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* Added missing reserved bits and renamed per to rer nameing as the
nvme specs
* Add pxcap capability in lspci test
Signed-off-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
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* Handle support of PCI FLR capability
If device supports FLR cap then call vfu_reset_cb_t when FLR is
initiated by client.
Signed-off-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
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This also adds a couple of additional tests (as well as more fully testing the
region access path).
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
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