adm_tx_status(9)

💅 adm_tx_status(9) — bestie's guide to the Kernel API Manual 🎀

okay so real talk, this one lives in the Kernel API Manual and honestly? it's a little guy with one job and it does it. let's get into it ✨

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🌸 NAME 🌸

adm_tx_status — literally just returns the status of a transaction. that's it. that's the whole vibe. no cap. 🫶

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⭐ SYNOPSIS ⭐

enum dma_status adm_tx_status (struct dma_chan *chan , dma_cookie_t
cookie , struct dma_tx_state *txstate );

like, look at her. three params, one return value, serving main character energy. 💅

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🦋 ARGUMENTS 🦋

• chan — the dma channel, aka the whole reason we're here 🎀
• cookie — the transaction cookie 🍪 (yes bestie, transaction cookie, that's the actual name, i don't make the rules)
• txstate — the DMA transaction state, where the tea gets reported back 💖

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✨ DESCRIPTION ✨

Return status of dma transaction. that's the assignm— wait no, that's the entire description. one line. iconic of her honestly. 🙈

so yeah, you hand it a channel and a cookie, it tells you where the transaction's at. simple, clean, no drama. periodt. 👑

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🔥 SEE ALSO 🔥

all the siblings live in the kernel file ./drivers/dma/qcom/qcom_adm.c — go say hi to the whole fam:

• adm_free_chan(9)
• adm_get_blksize(9)
• adm_process_fc_descriptors(9)
• adm_process_non_fc_descriptors(9)
• adm_prep_slave_sg(9)
• adm_terminate_all(9)
• adm_start_dma(9)
• adm_dma_irq(9)
• adm_issue_pending(9)
• adm_dma_free_desc(9)
• adm_dma_xlate(9)

ngl that's a whole friend group and you should know all of them 💜

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🌈 cute sign-off time: this page comes to you from ./drivers/dma/qcom, dated October 2026, and it's filed under adm_tx_status(9) 💖 bye bestie, go check your transaction status 🧚✨