STRUCT IWL_DRV(9)

💖 struct iwl_drv — drv common data 💖

ok so bestie, welcome to struct iwl_drv(9), a Kernel API Manual moment. this is the "drv common data" struct — the little home base for the iwlwifi driver, and we're gonna walk through every single field together, no skipping, no cap ✨

✨ SYNOPSIS ✨

here's the whole shape of it, copied exactly because we do not mess with struct definitions in this house 💅

struct iwl_drv {
    struct list_head list;
    struct iwl_fw fw;
    struct iwl_op_mode *op_mode;
    struct iwl_trans *trans;
    struct device *dev;
    int fw_index;
    char firmware_name[64];
    struct completion request_firmware_complete;
  #ifdef CONFIG_IWLWIFI_DEBUGFS;
    struct dentry *dbgfs_drv;
    struct dentry *dbgfs_trans;
    struct dentry *dbgfs_op_mode;
  #endif;
 };

🫶 notice the #ifdef CONFIG_IWLWIFI_DEBUGFS block — those three dbgfs_* members only exist when that config option is on. the semicolons after the #ifdef / #endif are literally in the source, so we keep them. periodt.

🌸 Members 🌸

okay now the fun part, field by field, let me introduce the whole cast 😭

• list — a list_head holding the list of drv structures that are using this opmode. the friendship group, basically 💜
• fw — the struct iwl_fw structure itself. the whole firmware situation lives here.
• op_mode — the running op_mode, as an struct iwl_op_mode *. the one currently on shift 👑
• trans — the transport layer. yes, struct iwl_trans *, the plumbing that actually moves the bytes 🚚
• dev — a struct device *, and heads up: this one is for debug prints only. don't go building your whole life on it, bestie 🙈
• fw_index — an int, the firmware revision to try loading. which one are we attempting today 🔥
• firmware_name — a char [64], the composite filename of the ucode file to load. 64 characters of pure filename energy 🎀
• request_firmware_complete — a struct completion that signals the firmware has been obtained from user space. the "we got it!!" bell 🌈
• dbgfs_drv — a struct dentry *, the debugfs root directory entry. only here under CONFIG_IWLWIFI_DEBUGFS 🦋
• dbgfs_trans — a struct dentry *, the debugfs transport directory entry. same deal, debugfs-gated ⭐
• dbgfs_op_mode — a struct dentry *, the debugfs op_mode directory entry. third of the trio, also debugfs-gated 🌸

💀 friendly reminder that dbgfs_drv, dbgfs_trans and dbgfs_op_mode are all wrapped in that #ifdef CONFIG_IWLWIFI_DEBUGFS — if the config's off, they're simply not there. don't come for me, that's how the struct is written.

👀 SEE ALSO 👀

• Kernel file ./drivers/net/wireless/intel/iwlwifi/iwl-drv.c and struct iwl_tlv_calib_data(9)

go read those next, iykyk 📚

and that's the page!! this came to you from ./drivers/net/wireless/intel/i... (the path got cute and truncated, we love that for it) dated October 2026, and it's struct iwl_drv(9) all the way down. mwah, stay slay, go read your kernel source 💅💖✨