xfer_get_init(9)

🦋 xfer_get_init(9) — the kernel API manual page, bestie edition ✨

okay so this is a page from the Kernel API Manual, section 9, and it's literally about xfer_get_init — the girlies who allocate and initialise one message for transmit. it's giving "setup era" 💅

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🌸 NAME 🌸

xfer_get_init — allocate and initialise one message for transmit 🫶

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✨ SYNOPSIS ✨

int xfer_get_init (const struct scmi_protocol_handle *ph , u8 msg_id ,
size_t tx_size , size_t rx_size , struct scmi_xfer **p );

no cap, that's the whole signature. take it in 👑

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🎀 ARGUMENTS 🎀

• ph — pointer to the SCMI protocol handle 🫶
• msg_id — the message identifier, iykyk
• tx_size — transmit message size 📤
• rx_size — receive message size 📥
• p — pointer to the allocated and initialised message; this is where the magic lands 👑

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💖 DESCRIPTION 💖

so what does she actually do. she allocates the message using scmi_xfer_get, and then she initialises the header. that's the whole vibe. literally it's a one-two punch: grab the message, set up the header, slay 💅

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🔥 RETURN 🔥

0 if all went fine, with p pointing to the message. otherwise, you get the corresponding error 😭 (not every story has a happy ending, bestie).

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🌈 SEE ALSO 🌈

the full friend group, no one left out fr fr. kernel file ./drivers/firmware/arm_scmi/driver.c plus:

• 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)
• 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_negotiate(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)

like I said — the whole group chat 💜

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don't skip the cross-refs, bestie, they're there for a reason 🧚

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and that's the page!! source is ./drivers/firmware/arm_scmi, dated October 2026, and it's xfer_get_init(9) in case you forgot already 🙈 mwah, study safe, go read your kernel source 💋🎀💖