vgic_v2_attr_regs_access(9)
π vgic_v2_attr_regs_access(9) β like, the whole Kernel API Manual vibe β¨
okay so bestie, welcome to the group chat π 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.
πΈ NAME πΈ
vgic_v2_attr_regs_access β the little function that lets user space poke at VGIC v2 state π«Ά no cap, that's literally the whole job.
β SYNOPSIS β
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 π¦
π ARGUMENTS π
devβ the kvm device handle π your lil ticket to the device you're messing with.attrβ the kvm device attribute β¨ the specific thing you're reaching for, iykyk.is_writeβtrueif userspace is writing a register βοΈ 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 π
π₯ SEE ALSO π₯
- Kernel file
./arch/arm64/kvm/vgic/vgic-kvm-device.cπ go read the source, bestie, it's right there. kvm_vgic_addr(9)β the sibling page, matching energy, highly recommend π
and that's the whole page!! mwah π
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 π§ππ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms