sdma_ahg_free(9)

🌸 NAME 🌸

sdma_ahg_free — from the Kernel API Manual — is the tiny cleanup bestie whose whole personality is free an AHG entry. The page is sdma_ahg_free(9), and yes, it’s giving short-and-sweet. 💅✨

✨ SYNOPSIS ✨

void sdma_ahg_free (struct sdma_engine *sde , int ahg_index );

🎀 ARGUMENTS 🎀

• sde — the engine you’re handing the AHG entry back to. It’s the one that gets the return, bestie. 🫶
• ahg_index — the index that’s getting freed. Bye-bye, little index. 👋

🦋 DESCRIPTION 🦋

Okay so this routine frees the indicated AHG entry — literally that. You give it the engine and the index, and it handles the freeing. Lowkey simple, highkey important. Periodt. ✨

🌈 SEE ALSO 🌈

The kernel file is ./drivers/infiniband/hw/hfi1/sdma.c, and these are the related manual-page besties to check out:

• sdma_state_name(9)
• sdma_get_descq_cnt(9)
• sdma_engine_get_vl(9)
• sdma_select_engine_vl(9)
• sdma_select_engine_sc(9)
• sdma_seqfile_dump_cpu_list(9)
• sdma_map_init(9)
• sdma_clean(9)
• sdma_init(9)
• sdma_all_running(9)
• sdma_start(9)
• sdma_exit(9)
• __sdma_txclean(9)
• sdma_engine_error(9)
• sdma_seqfile_dump_sde(9)
• sdma_send_txreq(9)
• sdma_send_txlist(9)
• sdma_ahg_alloc(9)
• _sdma_engine_progress_schedule(9)

sign-off era: this page comes from the source/version at ./drivers/infiniband/hw/hfi1, dated October 2026, and it’s your girl sdma_ahg_free(9) saying mwah 💖🦋