| /****************************************************************************/ |
| /* ZEPTOOS:zepto-info */ |
| /* This file is part of ZeptoOS: The Small Linux for Big Computers. |
| * See www.mcs.anl.gov/zeptoos for more information. |
| */ |
| /* ZEPTOOS:zepto-info */ |
| /* */ |
| /* ZEPTOOS:zepto-fillin */ |
| /* $Id: $ |
| * ZeptoOS_Version: 2.0 |
| * ZeptoOS_Heredity: FOSS_ORIG |
| * ZeptoOS_License: GPL |
| */ |
| /* ZEPTOOS:zepto-fillin */ |
| /* */ |
| /* ZEPTOOS:zepto-gpl */ |
| /* Copyright: Argonne National Laboratory, Department of Energy, |
| * and UChicago Argonne, LLC. 2004, 2005, 2006, 2007, 2008 |
| * ZeptoOS License: GPL |
| * |
| * This software is free. See the file ZeptoOS/misc/license.GPL |
| * for complete details on your rights to copy, modify, and use this |
| * software. |
| */ |
| /* ZEPTOOS:zepto-gpl */ |
| /****************************************************************************/ |
| |
| #ifndef __ZEPTO_BIGMEM_H_DEFINED__ |
| #define __ZEPTO_BIGMEM_H_DEFINED__ |
| |
| /* arch/powerpc/mm/zepto_bigmem.c */ |
| |
| extern int init_bigmem_tlb(unsigned entry); |
| extern void fill_zero_bigmem(void); |
| extern void free_bigmem_tlb(void); |
| extern int install_bigmem_tlb(void); |
| extern int in_bigmem(unsigned address); |
| extern void init_bigmem_pa(void); |
| |
| /* this is for DMA region */ |
| extern unsigned long long get_entire_bigmem_pa_start(void); |
| extern unsigned long long get_entire_bigmem_pa_end(void); |
| |
| /* function for per proc */ |
| extern unsigned get_bigmem_region_start(void); |
| extern unsigned get_bigmem_region_end(void); |
| extern unsigned get_bigmem_size(void); |
| extern unsigned get_bigmem_pa_start(void); |
| extern unsigned get_bigmem_pa_end(void); |
| extern unsigned bigmem_virt2phy(unsigned long va); |
| extern unsigned bigmem_virt2phy_cid(unsigned long va,int cid); |
| |
| |
| |
| extern void bigmem_process_reset(void); |
| extern int bigmem_process_new(void); |
| extern int bigmem_process_release(void); |
| extern int bigmem_process_active_count(void); |
| extern int bigmem_process_all_active(void); |
| |
| |
| |
| /* arch/powerpc/syslib/bgdd/zepto_task.c */ |
| extern int enable_bigmem; |
| |
| /* arch/powerpc/syslib/bgdd/zepto_setup_treeroute.c */ |
| extern int bigmem_nprocs_per_node; |
| |
| static inline int bigmem_process_cid(void) { |
| if(bigmem_nprocs_per_node==4) |
| return smp_processor_id(); |
| else if(bigmem_nprocs_per_node==2) |
| return smp_processor_id()&0x2; /* core 0 and 2 will be used */ |
| else |
| return 0; |
| } |
| |
| /* defined in arch/powerpc/mm/init_32.c */ |
| extern unsigned long __bigmem_size ; /* total physical memory for bigmem */ |
| |
| extern int bgp4GB; /* =1 if BGP has 4GB of memory, otherwise we assume BGP memory size is 2GB */ |
| |
| #endif |
