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| author | Benjamin Tissoires <bentiss@kernel.org> | 2024-03-15 15:44:41 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <bentiss@kernel.org> | 2024-04-10 16:37:23 +0200 |
| commit | db624e82c55f227b84ac9ebfa3de2f6f5fad666b (patch) | |
| tree | 1438da0dcbf4dd544aff72be81546e32a51d6257 /tools/testing/selftests/hid/progs/hid.c | |
| parent | c8a1495947ffcab18d9a85144ab4abc570720e65 (diff) | |
| download | linux-next-db624e82c55f227b84ac9ebfa3de2f6f5fad666b.tar.gz linux-next-db624e82c55f227b84ac9ebfa3de2f6f5fad666b.zip | |
selftests/hid: Add test for hid_bpf_hw_output_report
This time we need to ensure uhid receives it, thus the new mutex and
condition.
Link: https://lore.kernel.org/r/20240315-b4-hid-bpf-new-funcs-v4-4-079c282469d3@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'tools/testing/selftests/hid/progs/hid.c')
| -rw-r--r-- | tools/testing/selftests/hid/progs/hid.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/hid/progs/hid.c b/tools/testing/selftests/hid/progs/hid.c index 1e558826b809..2c2b679a83b1 100644 --- a/tools/testing/selftests/hid/progs/hid.c +++ b/tools/testing/selftests/hid/progs/hid.c @@ -101,6 +101,30 @@ int hid_user_raw_request(struct hid_hw_request_syscall_args *args) return 0; } +SEC("syscall") +int hid_user_output_report(struct hid_hw_request_syscall_args *args) +{ + struct hid_bpf_ctx *ctx; + const size_t size = args->size; + int i, ret = 0; + + if (size > sizeof(args->data)) + return -7; /* -E2BIG */ + + ctx = hid_bpf_allocate_context(args->hid); + if (!ctx) + return -1; /* EPERM check */ + + ret = hid_bpf_hw_output_report(ctx, + args->data, + size); + args->retval = ret; + + hid_bpf_release_context(ctx); + + return 0; +} + static const __u8 rdesc[] = { 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ 0x09, 0x32, /* USAGE (Z) */ |