diff --git a/BLD/build/HEADERS/CUR-9-vmkdrivers-asm-x64/vmkernel64/release/asm/agp.h b/BLD/build/HEADERS/CUR-9-vmkdrivers-asm-x64/vmkernel64/release/asm/agp.h new file mode 100644 index 0000000000000000000000000000000000000000..06c52ee9c06b3b398b79e30a213f134d457e18e2 --- /dev/null +++ b/BLD/build/HEADERS/CUR-9-vmkdrivers-asm-x64/vmkernel64/release/asm/agp.h @@ -0,0 +1,32 @@ +#ifndef AGP_H +#define AGP_H 1 + +#include + +/* + * Functions to keep the agpgart mappings coherent. + * The GART gives the CPU a physical alias of memory. The alias is + * mapped uncacheable. Make sure there are no conflicting mappings + * with different cachability attributes for the same page. + */ + +int map_page_into_agp(struct page *page); +int unmap_page_from_agp(struct page *page); +#define flush_agp_mappings() global_flush_tlb() + +/* Could use CLFLUSH here if the cpu supports it. But then it would + need to be called for each cacheline of the whole page so it may not be + worth it. Would need a page for it. */ +#define flush_agp_cache() asm volatile("wbinvd":::"memory") + +/* Convert a physical address to an address suitable for the GART. */ +#define phys_to_gart(x) (x) +#define gart_to_phys(x) (x) + +/* GATT allocation. Returns/accepts GATT kernel virtual address. */ +#define alloc_gatt_pages(order) \ + ((char *)__get_free_pages(GFP_KERNEL, (order))) +#define free_gatt_pages(table, order) \ + free_pages((unsigned long)(table), (order)) + +#endif