hfi1_addr_from_offset(9)

💖 hfi1_addr_from_offset(9) 💖 — a Kernel API Manual moment ✨

okay bestie, gather round the group chat: this is the page for hfi1_addr_from_offset(9), and it is literally giving tiny helper, big readq/writeq energy 🫶

🌸 NAME 🌸

hfi1_addr_from_offset — return addr for readq/writeq 💅

✨ SYNOPSIS ✨

void __iomem * hfi1_addr_from_offset (const struct hfi1_devdata *dd ,
       u32 offset );

🎀 ARGUMENTS 🎀

• dd — the dd device. that's the whole vibe 💖
• offset — the offset of the CSR within bar0. iconic little coordinate ✨

🦋 DESCRIPTION 🦋

This routine is the base-address picker: it selects the appropriate base address based on the indicated offset 💫 no cap, that is the whole job.

🌈 SEE ALSO 🌈

Kernel file ./drivers/infiniband/hw/hfi1/chip.c — and here is the whole linked-up squad, in order, no skips 👑

• 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)
• data_vls_operational(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)

💌 cute sign-off: this page is from the source ./drivers/infiniband/hw/hfi1, dated October 2026, and it is part of the Kernel API Manual for hfi1_addr_from_offset(9). mwah 💋✨