lpfc_debugfs_ras_log_open(9)

👑 lpfc_debugfs_ras_log_open(9) 💅

okay bestie, welcome to the Kernel API Manual entry for lpfc_debugfs_ras_log_open(9) — yes it's a mouthful, no we're not renaming it, it's iconic as is 🫶

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✨ NAME ✨

lpfc_debugfs_ras_log_open — opens up the RAS log debugfs buffer, that's the whole vibe 🦋

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🌸 SYNOPSIS 🌸

int lpfc_debugfs_ras_log_open (struct inode *inode , struct file *file
);

literally just those two args, no cap ✨

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🎀 ARGUMENTS 🎀

• inode — the inode pointer that contains a vport pointer. it's giving "the inode is holding the vport for you" energy 💖
• file — the file pointer where we're gonna attach the log output. main character of the attach era 🙈

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💜 DESCRIPTION 💜

so this routine is the entry point for the debugfs open file operation, periodt. here's the lil glow-up sequence it does, step by step:

1. it gets the vport from the i_private field in inode 🧚
2. it allocates the necessary buffer for the log 🔥
3. it fills that buffer from the in-memory log for this vport ⭐
4. then it returns a pointer to that log in the private_data field in file 💅

like, it's so organized. obsessed honestly 🌈

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😭 RETURN 😭

returns zero if successful 🎉 — on error it will return a negative error value 💀 (so like, if you see a negative number, that's your sign something went sideways, fr fr)

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🦋 SEE ALSO 🦋

the kernel file itself, bestie:

• Kernel file ./drivers/scsi/lpfc/lpfc_debugfs.c

and the whole extended fam, in order, no missing members 🫶:

• lpfc_debugfs_disc_trc_data(9), lpfc_debugfs_slow_ring_trc_data(9), lpfc_debugfs_hbqinfo_data(9), lpfc_debugfs_commonxripools_data(9), lpfc_debugfs_multixripools_data(9), lpfc_debugfs_lockstat_data(9), lpfc_debugfs_dumpHBASlim_data(9), lpfc_debugfs_dumpHostSlim_data(9), lpfc_debugfs_nodelist_data(9), lpfc_debugfs_nvmestat_data(9), lpfc_debugfs_scsistat_data(9), lpfc_debugfs_ioktime_data(9), lpfc_debugfs_nvmeio_trc_data(9), lpfc_debugfs_hdwqstat_data(9), lpfc_debugfs_disc_trc(9), lpfc_debugfs_slow_ring_trc(9), lpfc_debugfs_nvme_trc(9), lpfc_debugfs_disc_trc_open(9), lpfc_debugfs_slow_ring_trc_open(9), lpfc_debugfs_hbqinfo_open(9), lpfc_debugfs_multixripools_open(9), lpfc_debugfs_lockstat_open(9), lpfc_debugfs_dumpHBASlim_open(9), lpfc_debugfs_dumpHostSlim_open(9), lpfc_debugfs_nodelist_open(9), lpfc_debugfs_lseek(9), lpfc_debugfs_read(9), lpfc_debugfs_release(9), lpfc_debugfs_multixripools_write(9), lpfc_idiag_cmd_get(9), lpfc_idiag_open(9), lpfc_idiag_release(9), lpfc_idiag_cmd_release(9), lpfc_idiag_pcicfg_read(9), lpfc_idiag_pcicfg_write(9), lpfc_idiag_baracc_read(9), lpfc_idiag_baracc_write(9), lpfc_idiag_queinfo_read(9), lpfc_idiag_que_param_check(9), lpfc_idiag_queacc_read_qe(9), lpfc_idiag_queacc_read(9), lpfc_idiag_queacc_write(9), lpfc_idiag_drbacc_read_reg(9), lpfc_idiag_drbacc_read(9), lpfc_idiag_drbacc_write(9), lpfc_idiag_ctlacc_read_reg(9), lpfc_idiag_ctlacc_read(9), lpfc_idiag_ctlacc_write(9), lpfc_idiag_mbxacc_get_setup(9), lpfc_idiag_mbxacc_read(9), lpfc_idiag_mbxacc_write(9), lpfc_idiag_extacc_avail_get(9), lpfc_idiag_extacc_alloc_get(9), lpfc_idiag_extacc_drivr_get(9), lpfc_idiag_extacc_write(9), lpfc_idiag_extacc_read(9), lpfc_debugfs_initialize(9), lpfc_debugfs_terminate(9), lpfc_debug_dump_all_queues(9)

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💖 and that's the page!! sign-off time — this one lives in ./drivers/scsi/lpfc, dated October 2026, and it's literally lpfc_debugfs_ras_log_open(9) if you need to find it again. iykyk 🎀✨🌸