irdma_sc_del_hmc_obj(9)

💖 irdma_sc_del_hmc_obj 💖

ok so bestie, this is a page from the Kernel API Manual and we're talking about irdma_sc_del_hmc_obj(9) — the little function that says bye-bye to your pe hmc objects ✨

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🌸 NAME 🌸

irdma_sc_del_hmc_obj — remove pe hmc objects 🎀

✨ SYNOPSIS ✨

int irdma_sc_del_hmc_obj (struct irdma_sc_dev *dev , struct
       irdma_hmc_del_obj_info *info , bool reset );

literally that's the whole signature, no cap 🫶

🦋 ARGUMENTS 🦋

• dev — pointer to the device structure. the main character of this whole operation ngl 💅
• info — pointer to irdma_hmc_del_obj_info struct. this is where the deets live 🍓
• reset — true if called before reset. so like, yes if you're pre-reset, otherwise no 🙈

👑 DESCRIPTION 👑

ok so here's the vibe: this function will de-populate the SDs and PDs — yep, both of them, it's giving thorough 💀 It frees the memory for PDS and backing storage.

and listen, after this function is returned, the caller should deallocate memory allocated previously for book-keeping information about PDs and backing storage. like, that's on you, bestie — the function does its part and then hands the baton back 🫡

no skips, no shortcuts — every single word above is load-bearing, fr fr 💜

🔥 SEE ALSO 🔥

Kernel file ./drivers/infiniband/hw/irdma/hmc.c — the source, the origin story, iykyk ⭐

and the whole friend group:

• irdma_find_sd_index_limit(9)
• irdma_find_pd_index_limit(9)
• irdma_set_sd_entry(9)
• irdma_clr_sd_entry(9)
• irdma_invalidate_pf_hmc_pd(9)
• irdma_hmc_sd_one(9)
• irdma_hmc_sd_grp(9)
• irdma_hmc_finish_add_sd_reg(9)
• irdma_sc_create_hmc_obj(9)
• irdma_finish_del_sd_reg(9)
• irdma_add_sd_table_entry(9)
• irdma_add_pd_table_entry(9)
• irdma_remove_pd_bp(9)
• irdma_prep_remove_sd_bp(9)
• irdma_prep_remove_pd_page(9)

like, a whole squad 🌈

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aaand that's the page! 🧚 she lives in ./drivers/infiniband/hw/irdma, dated October 2026, and this whole thing is irdma_sc_del_hmc_obj(9) — slay, go free those objects, bestie 💖🌸