STRUCT VDPA_MGMT_DEV(9)

💖 NAME 💖

struct vdpa_mgmt_dev — the vdpa management device, bestie. That's it, that's the whole vibe. (This is section 9 of the Kernel API Manual, so yes, we're in the big-kid kernel docs today 🎀)

✨ SYNOPSIS ✨

okay so here's the whole struct, and no I did NOT change a single character, you're welcome 💅

struct vdpa_mgmt_dev {
    struct device *device;
    const struct vdpa_mgmtdev_ops *ops;
    struct virtio_device_id *id_table;
    u64 config_attr_mask;
    struct list_head list;
    u64 supported_features;
    u32 max_supported_vqs;
 };

🌸 Members 🌸

like. the actual fields. one by one. slay 🔥

• device — the management parent device 🫶 the whole ancestry situation.
• ops — the operations supported by the management device. this is where the mgmt device keeps its whole skillset.
• id_table — pointer to the device id table of supported ids. literally the guest list of who's allowed in 👑
• config_attr_mask — a bit mask of attributes of type enum vdpa_attr that the management device supports during the dev_add callback. iykyk — it's telling you which attrs this thing can actually handle when dev_add fires 💅
• list — list entry. short, iconic, does exactly what it says 🌈
• supported_features — the features supported by the device ✨ its whole feature set, laid out.
• max_supported_vqs — the maximum number of virtqueues supported by the device. the queue limit, periodt 💀

🦋 SEE ALSO 🦋

go read these next, bestie, they're all linked together and lowkey obsessed with each other:

• Kernel file ./include/linux/vdpa.h
• struct vdpa_callback(9)
• struct vdpa_notification_area(9)
• struct vdpa_vq_state_split(9)
• struct vdpa_vq_state_packed(9)
• struct vdpa_device(9)
• struct vdpa_iova_range(9)
• struct vdpa_map_file(9)
• struct vdpa_config_ops(9)
• vdpa_alloc_device(9)
• struct vdpa_driver(9)
• struct vdpa_mgmtdev_ops(9)

🧚 quick vibe check: this whole page lives in the kernel file ./include/linux/vdpa.h, so if you're lost, that's home base. also config_attr_mask is specifically about the dev_add callback — don't @ me, that's just what it says 🙈

okay that's the whole page, mwah 💖 this one shipped from ./include/linux back in October 2026, and it's literally titled struct vdpa_mgmt_dev(9) — go forth and slay your management device setup, bestie 🎀✨🫶