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If a DriverGpuVm implementation is lifetime-parameterized, its
SmContext<'ctx> type may depend on lifetimes carried by that driver
implementation. In this case, SmContext<'ctx> is only valid if the
driver implementation outlives 'ctx.
Add a Self: 'ctx bound to DriverGpuVm::SmContext<'ctx> to express that
requirement. Then propagate the corresponding T: 'ctx bound to the GPUVM
state machine helper types that store T::SmContext<'ctx>.
This allows drivers to provide lifetime-parameterized implementations of
DriverGpuVm.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Deborah Brouwer <deborah.brouwer@collabora.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260610-gpuvm_smcontext_lifetime_bound_v1-v1-1-531e7d2ee7b4@collabora.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Finally also add the operation for creating new mappings. Mapping
operations need extra data in the context since they involve a vm_bo
coming from the outside.
Co-developed-by: Asahi Lina <lina+kernel@asahilina.net>
Signed-off-by: Asahi Lina <lina+kernel@asahilina.net>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260409-gpuvm-rust-v6-5-b16e6ada7261@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Add the entrypoint for unmapping ranges in the GPUVM, and provide
callbacks and VA types for the implementation.
Co-developed-by: Asahi Lina <lina+kernel@asahilina.net>
Signed-off-by: Asahi Lina <lina+kernel@asahilina.net>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260409-gpuvm-rust-v6-4-b16e6ada7261@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Boris Brezillon
Alice Ryhl