scmi_protoc...on_negotiate(9)

✨ scmi_protoc...on_negotiate(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this little page is called scmi_protoc...on_negotiate(9) (yes the title got truncated by the terminal, it's giving "my name is too long for the group chat nickname limit" 😭) and it's literally all about the scmi_protocol_version_negotiate helper. let's get into it 🫶

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🌸 NAME 🌸

scmi_protocol_version_negotiate — negotiate protocol version 🎀

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✨ SYNOPSIS ✨

int scmi_protocol_version_negotiate (struct scmi_protocol_handle *ph );

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🦋 ARGUMENTS 🦋

• ph — a reference to the protocol handle. that's it, that's the whole vibe, just a pointer to the handle 🫶

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💜 DESCRIPTION 💜

so this function is an helper (yes the original said "an helper", we don't gatekeep grammar here 💀) that lets you negotiate a protocol version that's different from the latest one the platform advertised as supported. iykyk, sometimes you don't want the newest version and that's valid 💅

and here's the iconic part: on Success, backward compatibility is assured by the platform. so the platform's got your back, no cap 🔥

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⭐ RETURN ⭐

0 on Success ✨ (that's the good ending, bestie 🎀)

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🌈 SEE ALSO 🌈

okay this list is LONG, like, main character energy long 👑 but every single one of them matters, so here we go, no skipping 🫶

• Kernel file ./drivers/firmware/arm_scmi/driver.c
• struct scmi_xfers_info(9)
• struct scmi_protocol_instance(9)
• struct scmi_info(9)
• scmi_create_protocol_devices(9)
• scmi_xfer_token_set(9)
• scmi_xfer_token_clear(9)
• scmi_xfer_inflight_register_unlocked(9)
• scmi_xfer_inflight_register(9)
• scmi_xfer_raw_inflight_register(9)
• scmi_xfer_pending_set(9)
• scmi_xfer_get(9)
• scmi_xfer_raw_get(9)
• scmi_xfer_raw_channel_get(9)
• __scmi_xfer_put(9)
• scmi_xfer_raw_put(9)
• scmi_xfer_lookup_unlocked(9)
• scmi_bad_message_trace(9)
• scmi_msg_response_validate(9)
• scmi_xfer_state_update(9)
• scmi_xfer_command_acquire(9)
• scmi_rx_callback(9)
• xfer_put(9)
• scmi_wait_for_message_response(9)
• scmi_xfer_raw_wait_for_message_response(9)
• do_xfer(9)
• do_xfer_with_response(9)
• xfer_get_init(9)
• version_get(9)
• scmi_set_protocol_priv(9)
• scmi_get_protocol_priv(9)
• scmi_common_extended_name_get(9)
• scmi_common_get_max_msg_size(9)
• scmi_protocol_msg_check(9)
• struct scmi_iterator(9)
• scmi_revision_area_get(9)
• scmi_protocol_version_initialize(9)
• scmi_alloc_init_protocol_instance(9)
• scmi_get_protocol_instance(9)
• scmi_protocol_acquire(9)
• scmi_protocol_release(9)
• scmi_devm_protocol_get(9)
• scmi_devm_protocol_acquire(9)
• scmi_devm_protocol_put(9)
• scmi_is_transport_atomic(9)
• scmi_handle_get(9)
• scmi_handle_put(9)
• scmi_channels_setup(9)

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bestie that's 47 references plus the kernel file, we ate that list UP 🍓 don't sleep on any of them 💀

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anyway, that's the whole page! sign-off time 🧚 source: ./drivers/firmware/arm_scmi, version: October 2026 💖 and the page itself is scmi_protoc...on_negotiate(9) — truncated name, full hearts 🌸 periodt.