xe_sriov_pf_migration_size(9)

💅 xe_sriov_pf_migration_size(9) ✨

okay so bestie, welcome to the Kernel API Manual 🎀 — yes this is a real kernel function and yes it's lowkey iconic. it's a 9 section page, iykyk. let's get into it 🦋

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🌸 NAME 🌸

xe_sriov_pf_migration_size — literally gives you the total size of migration data from all the components within a device 💖

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✨ SYNOPSIS ✨

ssize_t xe_sriov_pf_migration_size (struct xe_device *xe , unsigned int vfid );

like, that's the whole signature. slay. 🫶

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🧚 ARGUMENTS 🧚

• xe — the xe_device 💫 (the main character of this whole operation, ngl)
• vfid — the VF identifier, and bestie listen: it can't be 0 🙈 fr fr, that's a hard no

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💜 DESCRIPTION 💜

so this function is for PF only. periodt. that's the whole vibe check — if you're not PF, this isn't your moment 💅

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🌈 RETURN 🌈

it hands you back the total migration data size in bytes ✨ … or, if things go sideways, a negative error code on failure 😭💀

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🔥 SEE ALSO 🔥

• the kernel file ./drivers/gpu/drm/xe/xe_sriov_pf_migration.c 👑 (go read it, it's giving source of truth)
• xe_sriov_pf_migration_waitqueue(9)
• xe_sriov_pf_migration_supported(9)
• xe_sriov_pf_migration_disable(9)
• xe_sriov_pf_migration_init(9)
• xe_sriov_pf_migration_save_consume(9)
• xe_sriov_pf_migration_restore_produce(9)
• xe_sriov_pf_migration_read(9)
• xe_sriov_pf_migration_write(9)

like, the whole migration friend group 🫶💖

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ngl quick recap for the girlies in the back: PF only, vfid can't be 0, you get bytes back or a negative error code. no cap. 🍓

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and that's the page!! 🎀 shipped from ./drivers/gpu/drm/xe, dated October 2026 — mwah, catch you on the next manpage bestie 💋⭐🧚