hid_bpf_get_data(9)

hid_bpf_get_data(9)

okay so this one is from the Kernel API Manual, and it's literally about getting a kernel memory pointer. bestie, let's go 💅

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💖 NAME 💖

hid_bpf_get_data — get the kernel memory pointer associated with the context @ctx

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✨ SYNOPSIS ✨

__bpf_kfunc __u8 * hid_bpf_get_data (struct hid_bpf_ctx *ctx , unsigned
       int offset , const size_t rdwr_buf_size );

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🎀 ARGUMENTS 🎀

• ctx — the HID-BPF context 🦋
• offset — the offset within the memory
• rdwr_buf_size — the const size of the buffer

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🦋 DESCRIPTION 🦋

So basically: it returns NULL on error, and an __u8 memory pointer on success. that's the whole vibe check, no cap ✨

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🌸 SEE ALSO 🌸

• Kernel file ./drivers/hid/bpf/hid_bpf_dispatch.c
• hid_bpf_allocate_context(9)
• hid_bpf_release_context(9)
• hid_bpf_hw_request(9)
• hid_bpf_hw_output_report(9)
• hid_bpf_try_input_report(9)
• hid_bpf_input_report(9)

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mwah 💋 this page is from ./drivers/hid/bpf, dated October 2026. iykyk 🫶