pvrdma_reg_user_mr(9)

💅 pvrdma_reg_user_mr(9) 💅

okay so bestie, welcome to the Kernel API Manual — this one's about pvrdma_reg_user_mr, and yes it's a whole vibe. Strap in 🎀

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✨ NAME ✨

pvrdma_reg_user_mr — register a userspace memory region 🫶

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🌸 SYNOPSIS 🌸

struct ib_mr * pvrdma_reg_user_mr (struct ib_pd *pd , u64 start , u64
length , u64 virt_addr , int access_flags , struct ib_dmah *dmah ,
struct ib_udata *udata );

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🦋 ARGUMENTS 🦋

• pd — the protection domain, fr fr. it's giving "who's allowed to touch this" energy 🛡️
• start — the starting address ✨
• length — how long the region is 🎀
• virt_addr — the I/O virtual address 💫
• access_flags — the access flags for the memory region 🔑
• dmah — dma handle 👑
• udata — user data 🌈

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⭐ RETURN ⭐

on success you get an ib_mr pointer back — slay 💅. otherwise? it returns an errno, and we simply do not talk about that 😭

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💜 SEE ALSO 💜

• Kernel file ./drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c — that's the main character right there 📂
• pvrdma_get_dma_mr(9) 🌸
• pvrdma_alloc_mr(9) 🧚
• pvrdma_dereg_mr(9) 🍓

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bestie reminder: this page lives in Kernel API Manual, and the whole thing is coming at you from ./drivers/infiniband/hw/vmw_pv... — dated October 2026, and titled pvrdma_reg_user_mr(9) ✨ no cap, that's the whole glow-up 🫶💖

go read the source, iykyk 🎀