xe_gt_sriov_...on_ggtt_save(9)

💖 NAME 💖

okay bestie, welcome to the Kernel API Manual corner 💖 — the page header calls this one xe_gt_sriov_...on_ggtt_save(9), and the full function is xe_gt_sriov_pf_migration_ggtt_save.

It does one job and it does it cute: Save VF GGTT migration data. No cap.

✨ SYNOPSIS ✨

here’s the signature, copy it exactly pls:

       int xe_gt_sriov_pf_migration_ggtt_save (struct xe_gt *gt , unsigned int
       vfid );

🎀 ARGUMENTS 🎀

• gt — it’s the xe_gt, literally.
• vfid — the VF identifier, and bestie, it can’t be 0.

🦋 DESCRIPTION 🦋

This function is for PF only. That’s the vibe check, periodt.

🌸 RETURN 🌸

0 on success, or a negative error code on failure. So 0 is the slay outcome; negative is the “welp” outcome 😭.

💅 SEE ALSO 💅

the kernel file is ./drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c, and the whole squad is:

• xe_gt_sriov_pf_migration_ggtt_restore(9)
• xe_gt_sriov_pf_migration_guc_save(9)
• xe_gt_sriov_pf_migration_guc_restore(9)
• xe_gt_sriov_pf_migration_mmio_save(9)
• xe_gt_sriov_pf_migration_mmio_restore(9)
• xe_gt_sriov_pf_migration_vram_save(9)
• xe_gt_sriov_pf_migration_vram_restore(9)
• xe_gt_sriov_pf_migration_size(9)
• xe_gt_sriov_pf_migration_ring_empty(9)
• xe_gt_sriov_pf_migration_ring_full(9)
• xe_gt_sriov_pf_migration_ring_free(9)
• xe_gt_sriov_pf_migration_save_init(9)
• xe_gt_sriov_pf_migration_save_data_pending(9)
• xe_gt_sriov_pf_migration_save_data_complete(9)
• xe_gt_sriov_pf_migration_save_produce(9)
• xe_gt_sriov_pf_migration_restore_consume(9)
• xe_gt_sriov_pf_migration_restore_produce(9)
• xe_gt_sriov_pf_migration_save_consume(9)
• xe_gt_sriov_pf_migration_init(9)

cute sign-off time 🫶: this one came from source ./drivers/gpu/drm/xe, dated October 2026, with version/page title xe_gt_sriov_...on_ggtt_save(9). mwah 💋