buffer_icap_get_status(9)

💅 buffer_icap_get_status — Kernel API Manual energy, bestie

okay so we're in the Kernel API Manual today and the star of the show is buffer_icap_get_status(9) — literally the function that goes and peeks at the status register for you. iconic behavior. 🎀

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✨ NAME ✨

buffer_icap_get_status — Get the contents of the status register.</p> that's it, that's the whole job, and she does it flawlessly 💅

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🦋 SYNOPSIS 🦋

u32 buffer_icap_get_status (struct hwicap_drvdata *drvdata );

returns a u32, takes one pointer, no drama. we love a low-maintenance signature 🫶

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🌸 ARGUMENTS 🌸

• drvdata — a pointer to the drvdata. yes bestie that's the whole description, she's a woman of few words and honestly? respect. ✨

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👑 DESCRIPTION 👑

so the status register is carrying two things at once: the ICAP status and the done bit. main character multitasking fr fr. 🌈

here's the bit map, copied exactly, no cap:

D8 - cfgerr
D7 - dalign
D6 - rip
D5 - in_abort_l
D4 - Always 1
D3 - Always 1
D2 - Always 1
D1 - Always 1
D0 - Done bit

so like, bits D4 through D1 are just… always 1. they're not doing anything, they're just vibing there, permanent residents, always 1, that's their whole personality 😭 and then D0 is the Done bit, D5 is in_abort_l, D6 is rip, D7 is dalign, and D8 is cfgerr. the way that bit order is reversed from how you'd write it down normally — iykyk 🧚

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/char/xilinx_hwicap/buffer_icap.c — go read the source bestie, it's right there 📖
• buffer_icap_get_bram(9)
• buffer_icap_busy(9)
• buffer_icap_set_size(9)
• buffer_icap_set_offset(9)
• buffer_icap_set_rnc(9)
• buffer_icap_set_bram(9)
• buffer_icap_device_read(9)
• buffer_icap_device_write(9)
• buffer_icap_reset(9)
• buffer_icap_set_configuration(9)
• buffer_icap_get_configuration(9)

the whole friend group, all accounted for. squad goals honestly 💜

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ngl if you got here from buffer_icap_busy(9) you're on the right track — they're literally neighbors 🏡

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and that's the page!! sending you off with love from ./drivers/char/xilinx_hwicap, stamped October 2026, signed buffer_icap_get_status(9) — slay, go read your registers, mwah 💖