rio_mport_is_active(9)

💖 NAME 💖

rio_mport_is_active — tests if master port link is active 🌸

okay so bestie, welcome to the rio_mport_is_active(9) page in the Kernel API Manual — this one is short, sweet, and lowkey iconic ✨

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🦋 SYNOPSIS 🦋

no cap, here's the whole signature:

int rio_mport_is_active (struct rio_mport *port );

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🎀 ARGUMENTS 🎀

• port — master port to test 👀

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✨ DESCRIPTION ✨

the vibe check here is simple: it reads the port error status CSR for the master port to determine if the port has an active link 🔥.

it returns RIO_PORT_N_ERR_STS_PORT_OK if the master port is active, or 0 if it is inactive. periodt 💅

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💜 SEE ALSO 💜

the related besties live in kernel file ./drivers/rapidio/rio-scan.c 👑

• rio_destid_alloc(9)
• rio_destid_reserve(9)
• rio_destid_free(9)
• rio_destid_first(9)
• rio_destid_next(9)
• rio_get_device_id(9)
• rio_set_device_id(9)
• rio_clear_locks(9)
• rio_enum_host(9)
• rio_device_has_destid(9)
• rio_release_dev(9)
• rio_is_switch(9)
• rio_setup_device(9)
• rio_sport_is_active(9)
• rio_get_host_deviceid_lock(9)
• rio_enum_peer(9)
• rio_enum_complete(9)
• rio_disc_peer(9)
• rio_update_route_tables(9)
• rio_init_em(9)
• rio_enum_mport(9)
• rio_build_route_tables(9)
• rio_disc_mport(9)
• rio_basic_attach(9)

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mwah 😘 — source/version: ./drivers/rapidio, date: October 2026, page: rio_mport_is_active(9). that's the whole page, bestie, ily 🫶