ctl_iop0_count_show(9)

💅 ctl_iop0_count_show(9) 💅

okay so bestie, welcome to the Kernel API Manual entry for ctl_iop0_count_show(9) — yes that's the whole title, no cap, we're doing the controller iop0 count check today and it's gonna be iconic ✨

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✨ NAME ✨

ctl_iop0_count_show — controller iop0 count check 🎀

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🌸 SYNOPSIS 🌸

ssize_t ctl_iop0_count_show (struct device *cdev , struct
       device_attribute *attr , char *buf );

like, that's the whole signature, she's not complicated, she's just living her life 🦋

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🫶 ARGUMENTS 🫶

• cdev — pointer to embedded class device. that's the main character right there 👑
• attr — device attribute (unused). literally unused, she's just here for the vibes, do not come for her 💀
• buf — the buffer returned. this is where the output actually goes, periodt 💖

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⭐ DESCRIPTION ⭐

A sysfs 'read-only' shost attribute. that's it. that's the whole description. she's read-only, she's shost, she's a sysfs attribute, and honestly? slay 🌈

ngl there is not a lot of lore here — the original page is short and sweet, so we're keeping it short and sweet fr fr 🍓

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🧚 SEE ALSO 🧚

Kernel file ./drivers/scsi/pm8001/pm8001_ctl.c — go read the source bestie, it's giving primary source energy 📖

and the whole friend group, in order, no skips:

• pm8001_ctl_mpi_interface_rev_show(9)
• controller_fatal_error_show(9)
• pm8001_ctl_fw_version_show(9)
• pm8001_ctl_ila_version_show(9)
• pm8001_ctl_inactive_fw_version_show(9)
• pm8001_ctl_max_out_io_show(9)
• pm8001_ctl_max_devices_show(9)
• pm8001_ctl_max_sg_list_show(9)
• pm8001_ctl_sas_spec_support_show(9)
• pm8001_ctl_host_sas_address_show(9)
• pm8001_ctl_logging_level_show(9)
• pm8001_ctl_aap_log_show(9)
• pm8001_ctl_ib_queue_log_show(9)
• pm8001_ctl_ob_queue_log_show(9)
• pm8001_ctl_bios_version_show(9)
• event_log_size_show(9)
• pm8001_ctl_iop_log_show(9)
• pm8001_ctl_fatal_log_show(9)
• non_fatal_log_show(9)
• pm8001_ctl_gsm_log_show(9)
• ctl_mpi_state_show(9)
• ctl_hmi_error_show(9)
• ctl_raae_count_show(9)
• ctl_iop1_count_show(9)

like yes there are a LOT of them but every single one is here, iykyk 💅

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and that's the page!! sourced straight from ./drivers/scsi/pm8001 — October 2026 edition 🎀 thanks for reading bestie, go check on your iop0 count, mwah 💜🦋✨