rsi_setblocklength(9)

💅 rsi_setblocklength(9) — like, the Kernel API Manual entry, bestie 🎀

Okay so picture this: it's section 9 of the Kernel API Manual, the function is rsi_setblocklength, and it's literally the glow-up moment where the host block length gets set. That's the whole vibe. Let's get into it ✨

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🌸 NAME 🌸

rsi_setblocklength — this function sets the host block length. That's it, that's the job, and honestly? She ate. 💖

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✨ SYNOPSIS ✨

int rsi_setblocklength (struct rsi_hw *adapter , u32 length );

Like, you hand her an adapter and a length, and she gives you back an int. Simple. Iconic. No notes. 🫶

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🦋 ARGUMENTS 🦋

• adapter — pointer to the adapter structure. Yep, the whole struct, she needs the pointer, don't @ me 🙈
• length — the block length to be set. That's the number going in, bestie, u32 style 💅

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🔥 RETURN 🔥

status: 0 on success, -1 on failure. No cap — 0 means she slayed, -1 means it did not go well 😭

Heads up gorgeous: 0 = success, -1 = failure. That's the entire return contract, so check it, fr fr.

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👑 SEE ALSO 👑

The kernel file lives at ./drivers/net/wireless/rsi/rsi_91x_sdio.c — go look, it's giving main character energy 💜

And then there's the whole friend group, the entourage, the group chat of related functions:

• rsi_sdio_set_cmd52_arg(9)
• rsi_cmd52writebyte(9)
• rsi_cmd52readbyte(9)
• rsi_issue_sdiocommand(9)
• rsi_handle_interrupt(9)
• rsi_reset_card(9)
• rsi_setclock(9)
• rsi_setupcard(9)
• rsi_sdio_read_register(9)
• rsi_sdio_write_register(9)
• rsi_sdio_ack_intr(9)
• rsi_sdio_read_register_multiple(9)
• rsi_sdio_write_register_multiple(9)
• rsi_sdio_host_intf_write_pkt(9)
• rsi_sdio_host_intf_read_pkt(9)
• rsi_init_sdio_interface(9)
• rsi_probe(9)
• rsi_disconnect(9)

Like, that's the whole squad right there. Read them all, iykyk 🌈⭐

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Okay that's the page!! 🧚 Mwah, mwah 💋 — this little writeup comes to you straight from ./drivers/net/wireless/rsi, dated October 2026, and honestly? A whole era. Go set that block length, bestie, you're gonna do amazing 🍓💖✨