ipc_imem_sys_devlink_read(9)

💖 ipc_imem_sys_devlink_read(9) — a Kernel API Manual moment 💖

okay so bestie, welcome to the Kernel API Manual entry for ipc_imem_sys_devlink_read and honestly? she's a little icon. this page is gonna walk you through exactly what she does, no cap, no skipped details 🎀

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✨ NAME ✨

ipc_imem_sys_devlink_read — copy the rx data and free the skbuf 💅

like yes, that's literally the whole job. grab the rx data, free the skbuf, move on with your day 🦋

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🌸 SYNOPSIS 🌸

int ipc_imem_sys_devlink_read (struct iosm_devlink *ipc_devlink , u8
*data , u32 bytes_to_read , u32 *bytes_read );

she takes four things and returns an int, periodt ✨

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💜 ARGUMENTS 💜

• ipc_devlink — the Devlink instance, your main character here 👑
• data — buffer to read the data from modem, that's where the good stuff lands 🍓
• bytes_to_read — size of destination buffer, aka how much room data actually has 🫶
• bytes_read — number of bytes read, so you know how much actually came through 🌈

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⭐ RETURN ⭐

0 on success, and a failure value on error 😭 that's it, that's the deal — zero means slay, anything else means vibe check failed 💀

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🦋 SEE ALSO 🦋

kernel file ./drivers/net/wwan/iosm/iosm_ipc_imem_ops.h — go read her sisters too, they're all linked up:

• ipc_imem_sys_port_open(9)
• ipc_imem_sys_cdev_write(9)
• ipc_imem_sys_wwan_open(9)
• ipc_imem_sys_wwan_close(9)
• ipc_imem_sys_wwan_transmit(9)
• ipc_imem_wwan_channel_init(9)
• ipc_imem_sys_devlink_open(9)
• ipc_imem_sys_devlink_close(9)
• ipc_imem_sys_devlink_notify_rx(9)
• ipc_imem_sys_devlink_write(9)

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ngl bestie, ipc_imem_sys_devlink_read ate and left no crumbs — copy the rx data, free the skbuf, return 0, bye 💅✨

and that's the whole page!! this cutie lives in ./drivers/net/wwan/iosm, dated October 2026, and she answers to ipc_imem_sys_devlink_read(9) — mwah, ily, go read your buffers responsibly 🧚💖