isst_if_mbox_cmd_invalid(9)

🎀 NAME 🎀

okay bestie, welcome to isst_if_mbox_cmd_invalid(9) from the Kernel API Manual ✨ this one is literally about checking whether a mailbox command is invalid 💅

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🦋 SYNOPSIS 🦋

bool isst_if_mbox_cmd_invalid (struct isst_if_mbox_cmd *cmd );

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🌸 ARGUMENTS 🌸

• cmd — pointer to the command structure you're verifying, bestie 🫶 that's the thing getting checked.

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💜 DESCRIPTION 💜

so an invalid command to PUNIT may result in instability of the platform 😭 like, not the vibe at all. no cap.

this function has a whitelist of commands, which are allowed 👑 so it's giving “approved list only” energy fr fr.

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✅ RETURN ✅

return true if the command is invalid, else false 🌈

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🔗 SEE ALSO 🔗

• Kernel file: ./drivers/platform/x86/intel/speed_select_if/isst_if_common.c
• isst_store_cmd(9)
• isst_resume_common(9)
• isst_if_mbox_cmd_set_req(9)
• isst_if_get_pci_dev(9)
• isst_if_cdev_register(9)
• isst_if_cdev_unregister(9)

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mwah 💋 cute little sign-off time: source/version is ./drivers/platform/x86/intel/s... and the date is October 2026 — bye bestie, go check those commands 🫶✨