fh_vmpic_get_msir(9)

💅 fh_vmpic_get_msir(9)

okay bestie, welcome to the Kernel API Manual corner of the group chat. today’s main character is fh_vmpic_get_msir, and she’s here to hand over the MPIC-MSI register value. ✨

🎀 NAME 🎀

fh_vmpic_get_msir — returns the MPIC-MSI register value 💖

✨ SYNOPSIS ✨

unsigned int fh_vmpic_get_msir (unsigned int interrupt , unsigned int
       *msir_val );

🫶 ARGUMENTS 🫶

• interrupt — the interrupt number. that’s the one, bestie.
• msir_val — returned MPIC-MSI register value. this is where the value comes back to you 💌

🌸 DESCRIPTION 🌸

okay so the whole vibe: this function returns 0 for success, or an error code. that’s the lore. no cap. if you get 0, slay; if you get an error code, that’s the universe telling you something went sideways. 😭

🦋 SEE ALSO 🦋

Kernel file ./arch/powerpc/include/asm/fsl_hcalls.h — plus the whole friend group:

• fh_send_nmi(9)
• fh_partition_get_dtprop(9)
• fh_partition_restart(9)
• fh_partition_get_status(9)
• fh_partition_start(9)
• fh_partition_stop(9)
• struct fh_sg_list(9)
• fh_partition_memcpy(9)
• fh_dma_enable(9)
• fh_dma_disable(9)
• fh_system_reset(9)
• fh_err_get_info(9)
• fh_get_core_state(9)
• fh_enter_nap(9)
• fh_exit_nap(9)
• fh_claim_device(9)

source/version: ./arch/powerpc/include/asm · date: October 2026 · page: fh_vmpic_get_msir(9) — mwah, bye bestie 💋