free_cmd_buf(9)

💖 free_cmd_buf(9) — like, the whole manual page, bestie 💖

okay so real talk: this is a page from the Kernel API Manual, and it's about free_cmd_buf — the function that frees the dma buffer of an API CMD command. short page, but we're gonna treat it with the respect it deserves 🫶

---

✨ NAME ✨

free_cmd_buf — frees the dma buffer of an API CMD command. that's it. that's the whole vibe. she does one thing and she does it iconically 💅

---

🦋 SYNOPSIS 🦋

void free_cmd_buf (struct hinic_api_cmd_chain *chain , int cell_idx );

literally just look at her. void return, two args, no notes. no cap, this is the entire signature, character for character, please don't come for me 🙈

---

🎀 ARGUMENTS 🎀

• chain — the API CMD specific chain of the cmd. yes bestie, the chain, the API CMD specific one, of the cmd. she's the main character here 👑
• cell_idx — the cell index of the cmd. it's giving "which cell tho" energy, and the answer is: this index right here 🍓

⚠️ heads up: both of these are exactly what the page says, so don't go inventing extra params. the function has two arguments and two arguments only, periodt.

---

🌈 SEE ALSO 🌈

this is the part where the manpage goes full group-chat-tagging-everyone energy, and honestly? obsessed. every single one of these is linked:

• The kernel file itself: ./drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c — that's where the source lives, iykyk 💜
• chain_busy(9)
• get_cell_data_size(9)
• prepare_cell_ctrl(9)
• prepare_api_cmd(9)
• prepare_cell(9)
• api_cmd_status_update(9)
• wait_for_status_poll(9)
• wait_for_api_cmd_completion(9)
• api_cmd(9)
• hinic_api_cmd_write(9)
• api_cmd_hw_restart(9)
• api_cmd_ctrl_init(9)
• api_cmd_set_status_addr(9)
• api_cmd_set_num_cells(9)
• api_cmd_head_init(9)
• api_cmd_chain_hw_clean(9)
• api_cmd_chain_hw_init(9)
• alloc_cmd_buf(9)
• api_cmd_create_cell(9)
• api_cmd_destroy_cell(9)
• api_cmd_destroy_cells(9)
• api_cmd_create_cells(9)
• api_chain_init(9)
• api_chain_free(9)
• api_cmd_create_chain(9)
• api_cmd_destroy_chain(9)
• hinic_api_cmd_init(9)
• hinic_api_cmd_free(9)

like, twenty-eight friends plus the source file. a whole friend group. the alloc_cmd_buf(9) / free_cmd_buf(9) pairing is lowkey the bestie duo of this entire page, and you know it 💀✨

---

okay that's the page!! short and sweet, just how we like her 🧚

🌸 before you go: this page is from the Kernel API Manual, dated October 2026, and the footer source was ./drivers/net/ethernet/huawei/... — so yeah, that's the version tea. mwah, go forth and free those buffers responsibly 💖🎀🫶