data_vls_operational(9)

💖 NAME 💖

okay bestie, welcome to data_vls_operational(9) from the Kernel API Manual — this one is short and sweet, and we're gonna get you all the way together. 💅

data_vls_operational — verify if data VL BCT credits and MTU are both set. That's the whole vibe check, no cap. ✨

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🌸 SYNOPSIS 🌸

Here's the call, bestie — keep the spacing exactly as shown because we are not out here changing C signatures:

bool data_vls_operational (struct hfi1_pportdata *ppd );

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🎀 ARGUMENTS 🎀

• ppd — pointer to struct hfi1_pportdata structure. That's the whole argument, she's simple and iconic. 🫶

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💅 RETURN 💅

Vibe check results:

• true - Ok
• false -otherwise.

So yeah: true - Ok, false -otherwise. Periodt. 💀

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🦋 SEE ALSO 🦋

Kernel file: ./drivers/infiniband/hw/hfi1/chip.c — that's where this lives, iykyk.

Then the whole squad:

• hfi1_addr_from_offset(9)
• read_csr(9)
• write_csr(9)
• get_csr_addr(9)
• update_xmit_counters(9)
• apply_link_downgrade_policy(9)
• is_rcv_avail_int(9)
• is_rcv_urgent_int(9)
• general_interrupt(9)
• hfi1_rcd_eoi_intr(9)
• hfi1_netdev_rx_napi(9)
• encode_rcv_header_entry_size(9)
• hfi1_validate_rcvhdrcnt(9)
• set_hdrq_regs(9)
• update_statusp(9)
• wait_logical_linkstate(9)
• read_mod_write(9)
• set_intr_bits(9)
• set_up_interrupts(9)
• hfi1_get_qp_map(9)
• init_qpmap_table(9)
• init_qos(9)
• hfi1_init_dd(9)
• create_pbc(9)

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okay bestie, that's the page! Signing off from ./drivers/infiniband/hw/hfi1, October 2026, for data_vls_operational(9) — mwah 💋✨