xe_gt_sriov...ocess_guc2pf(9)

💅 xe_gt_sriov_pf_control_process_guc2pf — a Kernel API Manual moment ✨

okay so bestie, welcome to the Kernel API Manual entry for xe_gt_sriov...ocess_guc2pf(9) — yes the name is a whole mouthful, she's dramatic like that, but she's literally just here to handle VF state notifications coming from GuC 🎀

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✨ NAME ✨

xe_gt_sriov_pf_control_process_guc2pf — the function that handles the VF state notification from GuC. that's the whole vibe. she receives, she processes, she slays 🫶

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🌸 SYNOPSIS 🌸

int xe_gt_sriov_pf_control_process_guc2pf (struct xe_gt *gt , const u32
*msg , u32 len );

like, look at her signature. icon behavior honestly 💖

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🦋 ARGUMENTS 🦋

• gt — the xe_gt. your graphics tile bestie, the whole reason we're here 💜
• msg — the G2H message. GuC slid this into our DMs, and now we gotta read it 👀
• len — the length of that G2H message. gotta know how much of the message is actually message, y'know? 📏

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⭐ DESCRIPTION ⭐

This function is for PF only. no cap, PF only — don't be showing up here as a VF, that's not your lane, that's not your era 🙈

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🔥 RETURN 🔥

• 0 on success — ate and left no crumbs 👑
• a negative error code on failure — it's giving "something went sideways" 😭

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🌈 SEE ALSO 🌈

the whole friend group, fr fr — every single one of these is linked up:

• Kernel file ./drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c
• The VF state machine(9)
• The VF PAUSE state machine(9)
• xe_gt_sriov_pf_control_pause_vf(9)
• The VF RESUME state machine(9)
• xe_gt_sriov_pf_control_resume_vf(9)
• The VF SAVE state machine(9)
• xe_gt_sriov_pf_control_check_save_data_done(9)
• xe_gt_sriov_pf_control_check_save_failed(9)
• xe_gt_sriov_pf_control_process_save_data(9)
• xe_gt_sriov_pf_control_trigger_save_vf(9)
• xe_gt_sriov_pf_control_finish_save_vf(9)
• The VF RESTORE state machine(9)
• xe_gt_sriov_pf_control_check_restore_failed(9)
• xe_gt_sriov_pf_control_restore_data_done(9)
• xe_gt_sriov_pf_control_process_restore_data(9)
• xe_gt_sriov_pf_control_trigger_restore_vf(9)
• xe_gt_sriov_pf_control_finish_restore_vf(9)
• The VF STOP state machine(9)
• xe_gt_sriov_pf_control_stop_vf(9)
• The VF FLR state machine(9)
• xe_gt_sriov_pf_control_prepare_flr(9)
• xe_gt_sriov_pf_control_trigger_flr(9)
• xe_gt_sriov_pf_control_sync_flr(9)
• xe_gt_sriov_pf_control_wait_flr(9)
• The VF FLR Flow with GuC(9)
• xe_gt_sriov_pf_control_init(9)
• xe_gt_sriov_pf_control_restart(9)

like, that's a whole group chat and every single member showed up 💀💅

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and that's the page, bestie 🧚 this masterpiece lives in ./drivers/gpu/drm/xe, dated October 2026, and she's filed under xe_gt_sriov...ocess_guc2pf(9) — mwah, bookmark her, iykyk 💜✨