STRUCT NE_PCI_DEV(9)

💖 struct ne_pci_dev(9) 💖

okay bestie, welcome to the Kernel API Manual, section 9 — specifically the <hotpink>struct ne_pci_dev(9)</hotpink> page. This is the Nitro Enclaves (NE) PCI device struct, and we’re gonna read it with full group-chat energy while keeping every single fact intact. no cap. obsessed. 🫶

🎀 NAME 🎀

struct ne_pci_dev — the Nitro Enclaves (NE) PCI device. periodt. 💅

✨ SYNOPSIS ✨

okay so here’s the exact struct shape, character-for-character vibes:

       struct ne_pci_dev {
           atomic_t cmd_reply_avail;
           wait_queue_head_t cmd_reply_wait_q;
           struct list_head        enclaves_list;
           struct mutex            enclaves_list_mutex;
           struct workqueue_struct *event_wq;
           void __iomem            *iomem_base;
           struct work_struct      notify_work;
           struct mutex            pci_dev_mutex;
           struct pci_dev          *pdev;
        };

vibe check: passed. this struct ate and left no crumbs. 🔥

🌸 Members 🌸

• cmd_reply_avail — a variable that’s set if a reply has been sent by the PCI device. lowkey the “did the device answer?” flag. ✅
• cmd_reply_wait_q — wait queue for handling command reply from the PCI device. it’s where you wait for the tea. ☕
• enclaves_list — list of the enclaves managed by the PCI device. the whole roster, bestie. 📋
• enclaves_list_mutex — mutex for accessing the list of enclaves. one at a time, please, no shoving. 🔒
• event_wq — work queue for handling out-of-band events triggered by the Nitro Hypervisor which require enclave state scanning and propagation to the enclave process. highkey busy energy. ⚡
• iomem_base — MMIO region of the PCI device. that’s the memory-mapped I/O spot. 🗺️
• notify_work — work item for every received out-of-band event. one lil work item per event, slay. 🛠️
• pci_dev_mutex — mutex for accessing the PCI device MMIO space. protect the MMIO, queen. 🛡️
• pdev — PCI device data structure. the device’s own data, main character energy. 👑

🦋 SEE ALSO 🦋

okay so the whole linked squad is right here — every reference, no skips, iykyk:

• Kernel file ./drivers/virt/nitro_enclaves/ne_pci_dev.h
• Nitro Enclaves (NE) PCI device(9)
• PCI_DEVICE_ID_NE(9)
• PCI_BAR_NE(9)
• Device registers in the NE PCI device MMIO BAR(9)
• NE_ENABLE(9)
• NE_VERSION(9)
• NE_COMMAND(9)
• NE_EVTCNT(9)
• NE_SEND_DATA(9)
• NE_RECV_DATA(9)
• Device MMIO buffer sizes(9)
• NE_SEND_DATA_SIZE(9)
• NE_RECV_DATA_SIZE(9)
• MSI-X interrupt vectors(9)
• NE_VEC_REPLY(9)
• NE_VEC_EVENT(9)
• enum ne_pci_dev_cmd_type(9)
• Device commands - payload structure for requests and replies.(9)
• struct enclave_start_req(9)
• struct enclave_get_slot_req(9)
• struct enclave_stop_req(9)
• struct slot_alloc_req(9)
• struct slot_free_req(9)
• struct slot_add_mem_req(9)
• struct slot_add_vcpu_req(9)
• struct slot_count_req(9)
• struct next_slot_req(9)
• struct slot_info_req(9)
• struct slot_add_bulk_vcpus_req(9)
• struct ne_pci_dev_cmd_reply(9)
• ne_do_request(9)

mwah 💋 — this page came from the ./drivers/virt/nitro_enclaves source, dated October 2026, and it’s the struct ne_pci_dev(9) manual page. byeee, go be iconic with your kernel structs 🫶✨