ixgbe_dbg_reg_ops_read(9)

💖 ixgbe_dbg_reg_ops_read(9) — the kernel API manual, but make it make sense 💖

okay so bestie, gather round, because we're looking at ixgbe_dbg_reg_ops_read from the ixgbe_dbg_reg_ops_read(9) manual page and honestly? she's iconic in a deeply nerdy way. this is the read side of the debugfs reg_ops situation, and yes, we're gonna get into it 🎀

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✨ NAME ✨

ixgbe_dbg_reg_ops_read — literally the read function for the reg_ops datum. that's her whole job. that's the assignment. 💅

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🌸 SYNOPSIS 🌸

ssize_t ixgbe_dbg_reg_ops_read (struct file *filp , char __user *buffer
, size_t count , loff_t *ppos );

look at that signature. four arguments, one ssize_t return, zero chill. ✨

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🦋 ARGUMENTS 🦋

• filp — the opened file, i.e. the file that's currently open. main character of the file world fr fr 🙈
• buffer — where to write the data for the user to read. yes, that's right, we're writing into the buffer so the user can read it — it's giving "the buffer is the middleman" energy 💀
• count — the size of the user's buffer. pls respect her boundaries 🫶
• ppos — the file position offset. where we're at in the file. tracking the vibe check as we go ✨

no cap, these are the exact four things she takes. nothing more, nothing less. lowkey perfect. 👑

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c — the source file where all this lives, go say hi 💖
• ixgbe_dbg_reg_ops_write(9) — her partner in crime, the write side 🖊️
• ixgbe_dbg_netdev_ops_read(9) — netdev ops reading, different vibe, same family 🌸
• ixgbe_dbg_netdev_ops_write(9) — and the netdev writing counterpart ✍️
• ixgbe_dbg_adapter_init(9) — setting the adapter up 🧚
• ixgbe_dbg_adapter_exit(9) — tearing it back down 😭
• ixgbe_dbg_init(9) — the whole debug setup getting born ⭐
• ixgbe_dbg_exit(9) — and the goodbye </3 💜

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and that's the whole page, bestie!! no filler, no fluff, just a read function doing read-function things. she ate and left no crumbs 🔥

so like, this was documented from source ./drivers/net/ethernet/intel/i... in the October 2026 era of things, and that's the cute little sign-off 🎀 mwah, go read some debugfs registers, ily 🫶✨