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Date: Wed, 24 Aug 2022 15:40:30 +0200
From: Benjamin Tissoires <benjamin.tissoires@...hat.com>
To: Greg KH <gregkh@...uxfoundation.org>,
Jiri Kosina <jikos@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <kafai@...com>,
Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
Kumar Kartikeya Dwivedi <memxor@...il.com>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>, Shuah Khan <shuah@...nel.org>,
Dave Marchevsky <davemarchevsky@...com>,
Joe Stringer <joe@...ium.io>, Jonathan Corbet <corbet@....net>
Cc: Tero Kristo <tero.kristo@...ux.intel.com>,
linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
netdev@...r.kernel.org, bpf@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org,
Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: [PATCH bpf-next v9 00/23] Introduce eBPF support for HID devices
Hi,
here comes the v9 of the HID-BPF series.
Again, for a full explanation of HID-BPF, please refer to the last patch
in this series (23/23).
This version sees some minor improvements compared to v7 and v8, only
focusing on the reviews I got. (v8 was a single patch update)
- patch 1/24 in v7 was dropped as it is already fixed upstream
- patch 1/23 in v9 is now capable of handling all functions, not just
kfuncs (tested with the selftests only)
- some minor nits from Greg's review
- a rebase on top of the current bpf-next tree as the kfunc definition
changed (for the better).
Cheers,
Benjamin
Benjamin Tissoires (23):
bpf/verifier: allow all functions to read user provided context
bpf/verifier: do not clear meta in check_mem_size
selftests/bpf: add test for accessing ctx from syscall program type
bpf/verifier: allow kfunc to return an allocated mem
selftests/bpf: Add tests for kfunc returning a memory pointer
bpf: prepare for more bpf syscall to be used from kernel and user
space.
libbpf: add map_get_fd_by_id and map_delete_elem in light skeleton
HID: core: store the unique system identifier in hid_device
HID: export hid_report_type to uapi
HID: convert defines of HID class requests into a proper enum
HID: Kconfig: split HID support and hid-core compilation
HID: initial BPF implementation
selftests/bpf: add tests for the HID-bpf initial implementation
HID: bpf: allocate data memory for device_event BPF programs
selftests/bpf/hid: add test to change the report size
HID: bpf: introduce hid_hw_request()
selftests/bpf: add tests for bpf_hid_hw_request
HID: bpf: allow to change the report descriptor
selftests/bpf: add report descriptor fixup tests
selftests/bpf: Add a test for BPF_F_INSERT_HEAD
samples/bpf: HID: add new hid_mouse example
samples/bpf: HID: add Surface Dial example
Documentation: add HID-BPF docs
Documentation/hid/hid-bpf.rst | 512 +++++++++
Documentation/hid/index.rst | 1 +
drivers/Makefile | 2 +-
drivers/hid/Kconfig | 20 +-
drivers/hid/Makefile | 2 +
drivers/hid/bpf/Kconfig | 17 +
drivers/hid/bpf/Makefile | 11 +
drivers/hid/bpf/entrypoints/Makefile | 93 ++
drivers/hid/bpf/entrypoints/README | 4 +
drivers/hid/bpf/entrypoints/entrypoints.bpf.c | 66 ++
.../hid/bpf/entrypoints/entrypoints.lskel.h | 682 ++++++++++++
drivers/hid/bpf/hid_bpf_dispatch.c | 526 ++++++++++
drivers/hid/bpf/hid_bpf_dispatch.h | 28 +
drivers/hid/bpf/hid_bpf_jmp_table.c | 577 ++++++++++
drivers/hid/hid-core.c | 49 +-
include/linux/bpf.h | 9 +-
include/linux/btf.h | 10 +
include/linux/hid.h | 38 +-
include/linux/hid_bpf.h | 148 +++
include/uapi/linux/hid.h | 26 +-
include/uapi/linux/hid_bpf.h | 25 +
kernel/bpf/btf.c | 109 +-
kernel/bpf/syscall.c | 10 +-
kernel/bpf/verifier.c | 64 +-
net/bpf/test_run.c | 21 +
samples/bpf/.gitignore | 2 +
samples/bpf/Makefile | 27 +
samples/bpf/hid_mouse.bpf.c | 134 +++
samples/bpf/hid_mouse.c | 161 +++
samples/bpf/hid_surface_dial.bpf.c | 161 +++
samples/bpf/hid_surface_dial.c | 232 ++++
tools/include/uapi/linux/hid.h | 62 ++
tools/include/uapi/linux/hid_bpf.h | 25 +
tools/lib/bpf/skel_internal.h | 23 +
tools/testing/selftests/bpf/Makefile | 5 +-
tools/testing/selftests/bpf/config | 3 +
tools/testing/selftests/bpf/prog_tests/hid.c | 990 ++++++++++++++++++
.../selftests/bpf/prog_tests/kfunc_call.c | 76 ++
tools/testing/selftests/bpf/progs/hid.c | 206 ++++
.../selftests/bpf/progs/kfunc_call_test.c | 125 +++
40 files changed, 5198 insertions(+), 84 deletions(-)
create mode 100644 Documentation/hid/hid-bpf.rst
create mode 100644 drivers/hid/bpf/Kconfig
create mode 100644 drivers/hid/bpf/Makefile
create mode 100644 drivers/hid/bpf/entrypoints/Makefile
create mode 100644 drivers/hid/bpf/entrypoints/README
create mode 100644 drivers/hid/bpf/entrypoints/entrypoints.bpf.c
create mode 100644 drivers/hid/bpf/entrypoints/entrypoints.lskel.h
create mode 100644 drivers/hid/bpf/hid_bpf_dispatch.c
create mode 100644 drivers/hid/bpf/hid_bpf_dispatch.h
create mode 100644 drivers/hid/bpf/hid_bpf_jmp_table.c
create mode 100644 include/linux/hid_bpf.h
create mode 100644 include/uapi/linux/hid_bpf.h
create mode 100644 samples/bpf/hid_mouse.bpf.c
create mode 100644 samples/bpf/hid_mouse.c
create mode 100644 samples/bpf/hid_surface_dial.bpf.c
create mode 100644 samples/bpf/hid_surface_dial.c
create mode 100644 tools/include/uapi/linux/hid.h
create mode 100644 tools/include/uapi/linux/hid_bpf.h
create mode 100644 tools/testing/selftests/bpf/prog_tests/hid.c
create mode 100644 tools/testing/selftests/bpf/progs/hid.c
--
2.36.1
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