xe_gt_sriov_..._trigger_flr(9)

💅 xe_gt_sriov_pf_control_trigger_flr — the Kernel API Manual moment ✨

okay so bestie, welcome to the glow-up era of xe_gt_sriov_..._trigger_flr(9) — yes that's the truncated little nickname the manual page goes by, and honestly it ate 🎀 this is your no-cap guide to kicking off a VF FLR sequence, and the way that it's PF-only is giving main character energy 👑

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🌸 NAME 🌸

xe_gt_sriov_pf_control_trigger_flr — starts a VF FLR sequence, literally that's the whole vibe 💖

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✨ SYNOPSIS ✨

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

that's it, that's the whole call signature, iykyk 🦋

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🎀 ARGUMENTS 🎀

• gt — the xe_gt, like, the actual graphics tile we're talking about here, okay? 🫶
• vfid — the VF identifier, aka which virtual function bestie we're pointing at 🔥

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🌈 DESCRIPTION 🌈

lowkey important: this function is for PF only. like, PF as in the physical function, not the VF. so if you're a VF trying to call this — not me watching you do that 🙈 no cap, it's PF-only, periodt.

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⭐ RETURN ⭐

• 0 on success 🎉 she slayed, she's flawless
• a negative error code on failure 😭 yeah that's the vibe check failing, ngl

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🔥 SEE ALSO 🔥

so many iconics in the linked list, we are OBSESSED, let's go down the whole roster 💜:

• Kernel file ./drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c — the source file herself 💅
• 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_sync_flr(9)
• xe_gt_sriov_pf_control_wait_flr(9)
• The VF FLR Flow with GuC(9)
• xe_gt_sriov_pf_control_process_guc2pf(9)
• xe_gt_sriov_pf_control_init(9)
• xe_gt_sriov_pf_control_restart(9)

bestie please actually go read these, they're literally the lore that makes this function make sense 🧚💫

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okay and for the cute sign-off: this whole page lives at ./drivers/gpu/drm/xe, it's dated October 2026, and it goes by xe_gt_sriov_..._trigger_flr(9) — mwah, go trigger some FLRs responsibly, ily, bye 🍓💖👑