| /* |
| * Contiguous Memory Allocator for ppc KVM hash pagetable based on CMA |
| * for DMA mapping framework |
| * |
| * Copyright IBM Corporation, 2013 |
| * Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License or (at your optional) any later version of the license. |
| * |
| */ |
| |
| #ifndef __POWERPC_KVM_CMA_ALLOC_H__ |
| #define __POWERPC_KVM_CMA_ALLOC_H__ |
| /* |
| * Both RMA and Hash page allocation will be multiple of 256K. |
| */ |
| #define KVM_CMA_CHUNK_ORDER 18 |
| |
| extern struct page *kvm_alloc_cma(unsigned long nr_pages, |
| unsigned long align_pages); |
| extern bool kvm_release_cma(struct page *pages, unsigned long nr_pages); |
| extern long kvm_cma_declare_contiguous(phys_addr_t size, |
| phys_addr_t alignment) __init; |
| #endif |
