init_cmdq(9)
π init_cmdq(9) β Kernel API Manual π
okay bestie, so this is a page from the Kernel API Manual, and it's all about init_cmdq β like, the literal main character of getting a cmdq set up. no cap, this is the "before you do anything else" moment. π
β¨ NAME β¨
init_cmdq β initialize cmdq
like yes, that's it, that's the whole name. she's direct. she knows what she is. π
πΈ SYNOPSIS πΈ
int init_cmdq (struct hinic_cmdq *cmdq , struct hinic_wq *wq , enum
hinic_cmdq_type q_type , void __iomem *db_area );
so you hand her four things and she gives you back an int. we love a simple transaction. π«Ά
π¦ ARGUMENTS π¦
cmdqβ the cmdq. yeah. the star of the show. your actual command queue. πwqβ the wq attaced to the cmdq. (yes, "attaced" β that's literally how the original spells it, we're keeping it fr fr, it's giving charming typo energy π). it's the work queue that's tagged along with your cmdq.q_typeβ the cmdq type of the cmdq. it's aenum hinic_cmdq_type, so like, which flavour of cmdq you're working with. pick your vibe. πdb_areaβ doorbell area for the cmdq. it's avoid __iomem *, so it's the memory-mapped spot where the doorbell lives. ding dong, the kernel's calling. π
π DESCRIPTION π
Return 0 - Success, negative - Failure
that's it. that's the whole description. zero means slayed, anything negative means it did not slay. check your return value, bestie, that's the vibe check of the whole function. π
β οΈ okay so seriously though: 0 is success, and negative is failure. don't be out here treating a negative number as truthy and thinking you ate. you did not. π
π§ SEE ALSO π§
the kernel file, for when you need to go read the source like the icon you are:
- Kernel file
./drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
and the whole friend group of related functions β literally the group chat:
hinic_alloc_cmdq_buf(9)hinic_free_cmdq_buf(9)hinic_cmdq_direct_resp(9)hinic_set_arm_bit(9)cmdq_arm_ceq_handler(9)cmdq_sync_cmd_handler(9)cmdq_ceq_handler(9)cmdq_init_queue_ctxt(9)free_cmdq(9)init_cmdqs_ctxt(9)hinic_init_cmdqs(9)hinic_free_cmdqs(9)
β¨ and that's the page, bestie β¨
this cutie came from the source/version line ./drivers/net/ethernet/huawei/... dated October 2026, and the footer was like init_cmdq(9) one more time just to say goodbye. now go forth and initialize your cmdq, you gorgeous kernel dev. πππ¦
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms