qed_qm_pf_mem_size(9)

✨ qed_qm_pf_mem_size ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one's a lil function from the qlogic qed squad and honestly it's giving "quiet but crucial" energy. like it's not flashy, but nothing else works without it. iykyk 🫶

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🌸 NAME 🌸

qed_qm_pf_mem_size — the girl who prepares the QM ILT sizes before literally anyone else is allowed to do math 💅

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🦋 SYNOPSIS 🦋

u32 qed_qm_pf_mem_size (u32 num_pf_cids , u32 num_vf_cids , u32 num_tids
, u16 num_pf_pqs , u16 num_vf_pqs );

like yes, that's a lot of parameters, but she handles all five of them flawlessly. main character energy fr fr 👑

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🎀 ARGUMENTS 🎀

• num_pf_cids — how many connections (cids) this PF is using. it's giving ✨the pf's own connections✨
• num_vf_cids — how many connections the VFs of this PF are using. not hers, the VFs'. she's just counting them, no cap 🫡
• num_tids — how many tasks this PF is using. tasks!! so many tasks!! 😭
• num_pf_pqs — how many PQs this PF has. note this one's a u16, not a u32 — yes bestie, the types are mixed, that's just how she is 💀
• num_vf_pqs — how many PQs the VFs of this PF have. again u16. again VF business 🌈

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💜 RETURN 💜

she hands back the required host memory size in 4KB units — like a u32 little gift 🎁 that's it, that's the whole vibe check.

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🔥 DESCRIPTION 🔥

so basically: this function returns the required host memory size in 4KB units. literally that's the job and she ate 🔥

⚠️ okay but the important part bestie: it must be called before all QM init HSI functions. not after, not during, before. do not test her on this 🙈

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⭐ SEE ALSO ⭐

first up, the kernel file where all the HSI lore lives:

• ./drivers/net/ethernet/qlogic/qed/qed_hsi.h

and then the whole friend group 💖 (yes, she has a lot of mutuals):

• qed_qm_common_rt_init(9)
• qed_qm_pf_rt_init(9)
• qed_init_pf_wfq(9)
• qed_init_pf_rl(9)
• qed_init_vport_wfq(9)
• qed_init_vport_tc_wfq(9)
• qed_init_global_rl(9)
• qed_send_qm_stop_cmd(9)
• qed_set_vxlan_dest_port(9)
• qed_set_vxlan_enable(9)
• qed_set_gre_enable(9)
• qed_set_geneve_dest_port(9)
• qed_set_geneve_enable(9)
• qed_gft_disable(9)
• qed_gft_config(9)
• qed_enable_context_validation(9)
• qed_get_protocol_type_str(9)
• qed_get_ramrod_cmd_id_str(9)
• qed_set_rdma_error_level(9)
• qed_fw_overlay_mem_alloc(9)
• qed_fw_overlay_init_ram(9)
• qed_fw_overlay_mem_free(9)

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✨ and that's the whole page babes ✨

this lil icon lives over in ./drivers/net/ethernet/qlogic/qed and the date on her birth certificate says October 2026 — so yeah, she's from the future and she still slays 💅🦋 mwah, go call your HSI init functions in the right order 💜