beiscsi_alloc_pdu(9)

💖 beiscsi_alloc_pdu(9) 💖

okay so bestie, welcome to the Kernel API Manual page for beiscsi_alloc_pdu — yes that's a mouthful, we love her anyway 🫶

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✨ NAME ✨

beiscsi_alloc_pdu — allocates pdu and related resources 💅

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🌸 SYNOPSIS 🌸

int beiscsi_alloc_pdu (struct iscsi_task *task , uint8_t opcode );

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🎀 ARGUMENTS 🎀

• task — the libiscsi task, the main character of this whole operation 👑
• opcode — the opcode of the pdu for that task, iykyk 🔥

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🦋 DESCRIPTION 🦋

So here's the vibe: this bad boy is called with the session lock held — like, it's already locked, don't come for her 💀

What it does, in order, no cap:

• it will allocate the wrb and the sgl if needed for the command ✨
• and it will prep the pdu's itt 🎯

Then later, beiscsi_parse_pdu comes in and translates the pdu itt to the libiscsi task itt — literally a whole glow-up handoff 💫

fr fr, this is just the setup part. The actual translating happens later in beiscsi_parse_pdu, so don't @ her about it.

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🌈 SEE ALSO 🌈

Kernel file ./drivers/scsi/be2iscsi/be_main.c 📁, plus the whole squad:

• beiscsi_get_params(9)
• be_isr_mcc(9)
• be_isr_msix(9)
• be_isr(9)
• alloc_wrb_handle(9)
• free_wrb_handle(9)
• beiscsi_process_cq(9)
• hwi_write_buffer(9)
• beiscsi_find_mem_req(9)
• beiscsi_free_mgmt_task_handles(9)
• beiscsi_cleanup_task(9)
• beiscsi_bsg_request(9)

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and that's the whole page bestie, periodt 💅✨

this iconic little drop came from ./drivers/scsi/be2iscsi, dated October 2026 — stan the kernel docs, mwah 🎀💖