STRUCT IWL_IMR_DATA(9)

💖 struct iwl_imr_data — the Kernel API Manual, bestie edition 💖

okay so listen. this page is from the Kernel API Manual, and it's all about struct iwl_imr_data — literally the imr dram data used during the debug process 🫶 that's it, that's the whole vibe. it's giving "small struct, big debug energy" ✨

---

✨ NAME ✨

struct iwl_imr_data — imr dram data used during debug process 💅

---

🎀 SYNOPSIS 🎀

struct iwl_imr_data {
    u32 imr_enable;
    u32 imr_size;
    u32 sram_addr;
    u32 sram_size;
    u32 imr2sram_remainbyte;
    u64 imr_curr_addr;
    __le64 imr_base_addr;
 };

no cap, that's the whole struct, every field accounted for, not one dropped 🔥

---

🌸 Members 🌸

okay bestie, field by field, let's go 👑

• imr_enable — the imr enable status, and guess what, it's received from fw. that's it. that's the field 💫
• imr_size — the imr dram size, also received from fw. the fw is really out here feeding us all the size info fr fr 🍓
• sram_addr — the sram address, straight from the debug tlv 🔍
• sram_size — the sram size, also from the debug tlv. twins! 🧚
• imr2sram_remainbyte — the size remained after each dma transfer. lowkey the "how much is left" field, iconic behaviour 😭
• imr_curr_addr — the current dst address used during dma transfer. main character of the transfer loop, honestly 💅
• imr_base_addr — the imr address received from fw. third fw-sourced field, the fw is carrying this struct ngl 👑

---

🦋 SEE ALSO 🦋

the whole friend group, present and accounted for, no one left behind 💜

• Kernel file ./drivers/net/wireless/intel/iwlwifi/iwl-trans.h
• Transport layer - what is it ?(9)
• Life cycle of the transport layer(9)
• enum CMD_MODE(9)
• struct iwl_device_cmd(9)
• struct iwl_device_tx_cmd(9)
• enum iwl_hcmd_dataflag(9)
• struct iwl_host_cmd(9)
• enum iwl_trans_status(9)
• struct iwl_dump_sanitize_ops(9)
• struct iwl_trans_config(9)
• struct iwl_trans_rxq_dma_data(9)
• struct iwl_pnvm_image(9)
• enum iwl_trans_state(9)
• Platform power management(9)
• enum iwl_ini_cfg_state(9)
• struct iwl_dram_data(9)
• struct iwl_dram_regions(9)
• struct iwl_fw_mon(9)
• struct iwl_self_init_dram(9)
• struct iwl_pc_data(9)
• struct iwl_trans_debug(9)
• struct iwl_trans_info(9)
• struct iwl_trans(9)
• iwl_trans_resched_with_nic_access(9)

---

ngl the source line got a lil truncated in the original and it just says ./drivers/net/wireless/intel/i... — that's literally how it's printed, so we're keeping it exactly like that, no guessing at the rest of the path 🙈

---

🌸 that's the page!! mwah 💋 this cutie dropped in October 2026, lives under ./drivers/net/wireless/intel/i..., and is officially titled struct iwl_imr_data(9) — go read the whole transport layer friend group next, iykyk 💖✨🎀