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Let's please include rust-for-linux on Cc for Nova patches, for a while longer at least. thanks, John Hubbard > > This series adds a command type `ContinuationRecord` which just writes > its header and whatever payload it is given. It also adds a type > `WrappingCommand` which supports splitting a large RPC into smaller > ones. > > The send pathway uses `WrappingCommand` to send all commands, but if > the command fits into 16 pages, it still writes directly into the > command queue. If it is larger than 16 pages and needs continuation > records, it writes into a staging buffer, so there is one copy. > > This patch series uses EIO for mis-sized commands to be consistent with > the rest of the code. > > Patch 6 introduces a single helper send_continuation_record. This is > because the compiler can't properly infer the types without this. > > Signed-off-by: Eliot Courtney > --- > Eliot Courtney (7): > gpu: nova-core: gsp: sort MsgFunction variants alphabetically > gpu: nova-core: gsp: add mechanism to wait for space on command queue > gpu: nova-core: gsp: add checking oversized commands > gpu: nova-core: gsp: clarify invariant on command queue > gpu: nova-core: gsp: unconditionally call variable payload handling > gpu: nova-core: gsp: support large RPCs via continuation record > gpu: nova-core: gsp: add tests for WrappingCommand > > drivers/gpu/nova-core/gsp/cmdq.rs | 113 ++++++++++++++-- > drivers/gpu/nova-core/gsp/commands.rs | 247 ++++++++++++++++++++++++++++++++++ > drivers/gpu/nova-core/gsp/fw.rs | 102 +++++++------- > 3 files changed, 401 insertions(+), 61 deletions(-) > --- > base-commit: cea7b66a80412e2a5b74627b89ae25f1d0110a4b > change-id: 20260203-cmdq-continuation-b99f3d5966c3 > > Best regards,