vgic_v2_attr_regs_access(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’œ vgic_v2_attr_regs_access(9) β€” like, the whole Kernel API Manual vibe ✨

okay so bestie, welcome to the group chat πŸ’… this is a page straight outta the Kernel API Manual, and honestly? it's giving "kernel devs who actually want you to understand things." iconic behavior fr fr.


🌸 NAME 🌸

vgic_v2_attr_regs_access β€” the little function that lets user space poke at VGIC v2 state 🫢 no cap, that's literally the whole job.


⭐ SYNOPSIS ⭐

int vgic_v2_attr_regs_access (struct kvm_device *dev , struct
kvm_device_attr *attr , bool is_write );

three args, one int back, and it's lowkey the gateway to your vGIC's whole inner world πŸ¦‹


πŸŽ€ ARGUMENTS πŸŽ€

  • dev β€” the kvm device handle πŸ’– your lil ticket to the device you're messing with.
  • attr β€” the kvm device attribute ✨ the specific thing you're reaching for, iykyk.
  • is_write β€” true if userspace is writing a register ✍️ that's the vibe check: true = write, otherwise it's a read, periodt.
ngl, is_write is the main character here β€” it completely flips what this call is doing. know which one you want before you call it πŸ’€

πŸ”₯ SEE ALSO πŸ”₯

  • Kernel file ./arch/arm64/kvm/vgic/vgic-kvm-device.c πŸ‘‘ go read the source, bestie, it's right there.
  • kvm_vgic_addr(9) β€” the sibling page, matching energy, highly recommend 🌈

and that's the whole page!! mwah πŸ’‹

okay so the sign-off: this cutie lives under ./arch/arm64/kvm/vgic in the source tree, it's the Kernel API Manual version dated October 2026, and the page itself is vgic_v2_attr_regs_access(9) β€” go forth and access those registers responsibly, bestie πŸ§šπŸ’œπŸŽ€

πŸ“¦ where this page comes from