queue_cmd_ring(9)

okay bestie, this is the Kernel API Manual page for queue_cmd_ring(9), and we're gonna make it make sense together 💖

✨ NAME ✨

queue_cmd_ring — queue cmd to ring or internally 🎀

it's giving "put the cmd where it needs to go" energy, fr fr.

💫 SYNOPSIS 💫

int queue_cmd_ring (struct tcmu_cmd *tcmu_cmd , sense_reason_t *scsi_err );

that's literally the whole signature, no cap ✨

🦋 ARGUMENTS 🦋

• tcmu_cmd — cmd to queue. like, this is the cmd bestie, and it's getting queued 💅
• scsi_err — TCM error code if failure (-1) returned. so if things go -1, this is where the TCM error code lands 👀

🔥 RETURN 🔥

• -1 — we cannot queue internally or to the ring. not slay. 😭
• 0 — success. periodt. 👑
• 1 — internally queued to wait for ring memory to free. it's lowkey waiting its turn 🫶

🌈 SEE ALSO 🌈

• Kernel file ./drivers/target/target_core_user.c
• Userspace I/O(9)
• queue_tmr_ring(9)

go read those too, bestie, iykyk 🧚

source/version: ./drivers/target • date: October 2026 — bye bestie, go queue responsibly 💅✨