STRUCT IPC_PROTOCOL_CONTEXT_INFO(9)

💅 struct ipc_protocol_context_info(9) 💅

okay bestie, this is the Kernel API Manual page for struct ipc_protocol_context_info, and it is literally the blueprint for the context info 💖

🌸 NAME 🌸

struct ipc_protocol_context_info — Structure of the context info ✨

✨ SYNOPSIS ✨

       struct ipc_protocol_context_info {
           phys_addr_t device_info_addr;
           phys_addr_t head_array;
           phys_addr_t tail_array;
           phys_addr_t msg_head;
           phys_addr_t msg_tail;
           phys_addr_t msg_ring_addr;
           __le16 msg_ring_entries;
           u8 msg_irq_vector;
           u8 device_info_irq_vector;
        };

🎀 Members 🎀

• device_info_addr — 64 bit address to device info 🫶
• head_array — 64 bit address to head pointer arr for the pipes 🌸
• tail_array — 64 bit address to tail pointer arr for the pipes 🦋
• msg_head — 64 bit address to message head pointer ✨
• msg_tail — 64 bit address to message tail pointer 💫
• msg_ring_addr — 64 bit pointer to the message ring buffer 🔥
• msg_ring_entries — This field provides the number of entries which the MR can hold 👑
• msg_irq_vector — This field provides the IRQ which shall be generated by the EP device when generating completion for Messages 💅
• device_info_irq_vector — This field provides the IRQ which shall be generated by the EP dev after updating Dev. Info 🧚

🔗 SEE ALSO 🔗

Kernel file ./drivers/net/wwan/iosm/iosm_ipc_protocol.h → struct ipc_protocol_device_info(9), struct ipc_protocol_ap_shm(9), struct iosm_protocol(9), struct ipc_call_msg_send_args(9), ipc_protocol_tq_msg_send(9), ipc_protocol_msg_send(9), ipc_protocol_suspend(9), ipc_protocol_s2idle_sleep(9), ipc_protocol_resume(9), ipc_protocol_pm_dev_sleep_handle(9), ipc_protocol_doorbell_trigger(9), ipc_protocol_sleep_notification_string(9), ipc_protocol_init(9), ipc_protocol_deinit(9) 🌈

source/version + date tea ☕: ./drivers/net/wwan/iosm · October 2026 · footer bestie struct ipc_p...context_info(9) 🫶 byeee ✨