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Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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The races these tests attempt to exercise won't exist once we rework the
context creation to make the VM immutable state.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
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Add a wrapper for gem_create_ext ioctl (a version of gem_create that
accepts extensions). In preparation for the driver change implementing it,
a local definition of its id and necessary structs have been added,
which are to be erased as soon as those definitions
appear in the i915_drm.h file.
The new ioctl wrapper is added to a separate file.
For consistency the wrapper of the old ioctl, gem_create
is moved from ioctl_wrappers to gem_create.
Signed-off-by: Andrzej Turko <andrzej.turko@linux.intel.com>
Cc: Zbigniew Kempczynski <zbigniew.kempczynski@intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Cc: Chris P Wilson <chris.p.wilson@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Acked-by: Petri Latvala <petri.latvala@intel.com>
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Matthew postulated that we should be able to hit a race in
__i915_vm_close() between the RCU object free and vma unbind viz
GEM_BUG_ON(!list_empty(&vm->bound_list));
due to the effect of leaving the vma on the list if we are unable to
obtain the kref to the object. Let's try and find that race.
In practice, this does not happen because to race the object free vma
cleanup against vm close requires a leak of a ppGTT vma.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Acked-by: Matthew Auld <matthew.auld@intel.com>
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We want to recognise future devices (gen = -1u) and treat them as an
extension of the latest known device, which is typically true.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
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igt_require_gem() is a pecularity of i915/, move it out of the core.
Similar opportunistic move of gem_reopen_driver() and
gem_quiescent_gpu().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Allow the kernel the rights to reject updating an active VM with -EBUSY.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since we are secretly using execbuf to write into an object's location,
then read back from the object we must manually handle the domain
changes.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/314
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
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Exercise basic creation and swapping between new address spaces.
v2: Check isolation that the same vm_id on different fd are indeed
different VM.
v3: Cross-over check with CREATE_EXT_SETPARAM
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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