pvr_kccb_send_cmd(9)

✨ NAME ✨

okay bestie, meet pvr_kccb_send_cmd(9) — straight from the Kernel API Manual. This function is literally called pvr_kccb_send_cmd, and its whole vibe is: Send command to the KCCB. slay. 💅

🛠️ SYNOPSIS 🛠️

int pvr_kccb_send_cmd (struct pvr_device *pvr_dev , struct rogue_fwif_kccb_cmd *cmd , u32 *kccb_slot );

🎀 ARGUMENTS 🎀

• pvr_dev — Device pointer. like, the device pointer itself, no cap.
• cmd — Command to send. the actual command going to the KCCB.
• kccb_slot — Address to store the KCCB slot for this command. May be NULL. so yes, NULL is allowed, bestie. 🫶

🌸 RETURN 🌸

• Zero on success, or
• -EBUSY if timeout while waiting for a free KCCB slot.

that’s the return tea, periodt. ✨

🦋 SEE ALSO 🦋

• Kernel file: ./drivers/gpu/drm/imagination/pvr_ccb.c
• pvr_ccb_init(9)
• pvr_ccb_fini(9)
• pvr_ccb_slot_available_locked(9)
• pvr_fwccb_process(9)
• pvr_kccb_capacity(9)
• pvr_kccb_used_slot_count_locked(9)
• pvr_kccb_send_cmd_reserved_powered(9)
• pvr_kccb_try_reserve_slot(9)
• pvr_kccb_reserve_slot_sync(9)
• pvr_kccb_send_cmd_powered(9)
• pvr_kccb_wait_for_completion(9)
• pvr_kccb_is_idle(9)
• struct pvr_kccb_fence(9)
• pvr_kccb_wake_up_waiters(9)
• pvr_kccb_fini(9)
• pvr_kccb_init(9)
• pvr_kccb_fence_alloc(9)
• pvr_kccb_fence_put(9)
• pvr_kccb_reserve_slot(9)
• pvr_kccb_release_slot(9)
• pvr_fwccb_init(9)

and that’s the tea 🍵: this page comes from the ./drivers/gpu/drm/imagination source, dated October 2026, and it’s the pvr_kccb_send_cmd(9) page — mwah 💋