dma_sb_region_create_linear(9)

✨ NAME ✨

okay so bestie, this is the dma_sb_region_create_linear(9) page from the Kernel API Manual 💖 and it's literally about setting up a linear dma mapping for a device ✨

🌸 SYNOPSIS 🌸

int dma_sb_region_create_linear (struct ps3_dma_region *r );

🎀 ARGUMENTS 🎀

• r — a pointer to a struct ps3_dma_region 🫶

💅 DESCRIPTION 💅

so this routine creates an HV dma region for the device and maps all available ram into the io controller bus address space — that's the whole vibe, no cap ✨

🦋 SEE ALSO 🦋

• 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_lpar_to_bus(9)
• dma_sb_map_pages(9)
• dma_sb_region_create(9)
• dma_sb_map_area(9)
• dma_sb_unmap_area(9)
• dma_sb_region_free_linear(9)
• dma_sb_map_area_linear(9)
• ps3_mm_init(9)
• ps3_mm_shutdown(9)

and that's the tea, bestie 💅 the source/version is ./arch/powerpc/platforms/ps3 and the date is October 2026 — iconic footer behavior, periodt 🌈✨