virtio_has_feature(9)

🎀 NAME 🎀

okay so welcome to the virtio_has_feature(9) page from the Kernel API Manual 💖 this is the helper that determines if this device has this feature — that's the whole assignment, and she ate. ✨

✨ SYNOPSIS ✨

bool virtio_has_feature (const struct virtio_device *vdev , unsigned int fbit );

that's the exact signature, bestie — a bool, a const struct virtio_device *, and an unsigned int. no cap. 💅

💅 ARGUMENTS 💅

• vdev — the device, aka the main character you're checking on 🫶
• fbit — the feature bit, the exact little flag you're asking about ⭐

👀 SEE ALSO 👀

the kernel file is ./include/linux/virtio_config.h, and the whole friend group is right here:

• struct virtqueue_info(9)
• struct virtio_config_ops(9)
• struct virtio_map_ops(9)
• __virtio_test_bit(9)
• __virtio_set_bit(9)
• __virtio_clear_bit(9)
• virtio_has_dma_quirk(9)
• virtio_synchronize_cbs(9)
• virtio_device_ready(9)
• virtqueue_set_affinity(9)

that's the whole page, fr fr — cute, compact, and absolutely iconic. 🎀

sign-off: from ./include/linux, in the Kernel API Manual, dated October 2026 — virtio_has_feature(9) said goodnight 💖✨