dma_sb_lpar_to_bus(9)

✨ NAME ✨

okay bestie, this is the dma_sb_lpar_to_bus(9) page from the Kernel API Manual, and the whole vibe is literally this: translate an lpar address to ioc mapped bus address. no cap, that's the serve 💅

🫶 SYNOPSIS 🫶

the signature ate and left no crumbs:

unsigned long dma_sb_lpar_to_bus (struct ps3_dma_region *r , unsigned
long lpar_addr );

💅 ARGUMENTS 💅

• r — pointer to dma region structure. iconic little pointer, fr fr 🎀
• lpar_addr — HV lpar address. yes bestie, that exact one 🦋

🌈 SEE ALSO 🌈

bestie, go touch these too, iykyk 👑

• Kernel file ./arch/powerpc/platforms/ps3/mm.c
• struct mem_region(9)
• struct map(9)
• ps3_mm_phys_to_lpar(9)
• ps3_mm_vas_create(9)
• ps3_mm_vas_destroy(9)
• ps3_mm_region_create(9)
• ps3_mm_region_destroy(9)
• dma_sb_map_pages(9)
• dma_sb_region_create(9)
• dma_sb_map_area(9)
• dma_sb_unmap_area(9)
• dma_sb_region_create_linear(9)
• dma_sb_region_free_linear(9)
• dma_sb_map_area_linear(9)
• ps3_mm_init(9)
• ps3_mm_shutdown(9)

mwah 💋 source/version energy lives at ./arch/powerpc/platforms/ps3, and this page is dated October 2026 — periodt 🌸