| /drivers/include/asm-generic/fixmap.h |
|---|
| 0,0 → 1,103 |
| /* |
| * fixmap.h: compile-time virtual memory allocation |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 1998 Ingo Molnar |
| * |
| * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 |
| * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009 |
| * Break out common bits to asm-generic by Mark Salter, November 2013 |
| */ |
| #ifndef __ASM_GENERIC_FIXMAP_H |
| #define __ASM_GENERIC_FIXMAP_H |
| #include <linux/bug.h> |
| #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) |
| #define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) |
| #ifndef __ASSEMBLY__ |
| /* |
| * 'index to address' translation. If anyone tries to use the idx |
| * directly without translation, we catch the bug with a NULL-deference |
| * kernel oops. Illegal ranges of incoming indices are caught too. |
| */ |
| static __always_inline unsigned long fix_to_virt(const unsigned int idx) |
| { |
| BUILD_BUG_ON(idx >= __end_of_fixed_addresses); |
| return __fix_to_virt(idx); |
| } |
| static inline unsigned long virt_to_fix(const unsigned long vaddr) |
| { |
| BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); |
| return __virt_to_fix(vaddr); |
| } |
| /* |
| * Provide some reasonable defaults for page flags. |
| * Not all architectures use all of these different types and some |
| * architectures use different names. |
| */ |
| #ifndef FIXMAP_PAGE_NORMAL |
| #define FIXMAP_PAGE_NORMAL PAGE_KERNEL |
| #endif |
| #if !defined(FIXMAP_PAGE_RO) && defined(PAGE_KERNEL_RO) |
| #define FIXMAP_PAGE_RO PAGE_KERNEL_RO |
| #endif |
| #ifndef FIXMAP_PAGE_NOCACHE |
| #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE |
| #endif |
| #ifndef FIXMAP_PAGE_IO |
| #define FIXMAP_PAGE_IO PAGE_KERNEL_IO |
| #endif |
| #ifndef FIXMAP_PAGE_CLEAR |
| #define FIXMAP_PAGE_CLEAR __pgprot(0) |
| #endif |
| #ifndef set_fixmap |
| #define set_fixmap(idx, phys) \ |
| __set_fixmap(idx, phys, FIXMAP_PAGE_NORMAL) |
| #endif |
| #ifndef clear_fixmap |
| #define clear_fixmap(idx) \ |
| __set_fixmap(idx, 0, FIXMAP_PAGE_CLEAR) |
| #endif |
| /* Return a pointer with offset calculated */ |
| #define __set_fixmap_offset(idx, phys, flags) \ |
| ({ \ |
| unsigned long addr; \ |
| __set_fixmap(idx, phys, flags); \ |
| addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \ |
| addr; \ |
| }) |
| #define set_fixmap_offset(idx, phys) \ |
| __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NORMAL) |
| /* |
| * Some hardware wants to get fixmapped without caching. |
| */ |
| #define set_fixmap_nocache(idx, phys) \ |
| __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE) |
| #define set_fixmap_offset_nocache(idx, phys) \ |
| __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NOCACHE) |
| /* |
| * Some fixmaps are for IO |
| */ |
| #define set_fixmap_io(idx, phys) \ |
| __set_fixmap(idx, phys, FIXMAP_PAGE_IO) |
| #define set_fixmap_offset_io(idx, phys) \ |
| __set_fixmap_offset(idx, phys, FIXMAP_PAGE_IO) |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __ASM_GENERIC_FIXMAP_H */ |
| /drivers/include/asm-generic/kmap_types.h |
|---|
| 0,0 → 1,10 |
| #ifndef _ASM_GENERIC_KMAP_TYPES_H |
| #define _ASM_GENERIC_KMAP_TYPES_H |
| #ifdef __WITH_KM_FENCE |
| # define KM_TYPE_NR 41 |
| #else |
| # define KM_TYPE_NR 20 |
| #endif |
| #endif |
| /drivers/include/asm-generic/pci-dma-compat.h |
|---|
| 7,6 → 7,13 |
| #include <linux/dma-mapping.h> |
| static inline void * |
| pci_alloc_consistent(struct pci_dev *hwdev, size_t size, |
| dma_addr_t *dma_handle) |
| { |
| return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); |
| } |
| static inline void * |
| pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, |
| dma_addr_t *dma_handle) |
| { |
| 14,6 → 21,13 |
| size, dma_handle, GFP_ATOMIC); |
| } |
| static inline void |
| pci_free_consistent(struct pci_dev *hwdev, size_t size, |
| void *vaddr, dma_addr_t dma_handle) |
| { |
| dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); |
| } |
| static inline dma_addr_t |
| pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) |
| { |
| /drivers/include/asm-generic/topology.h |
|---|
| 0,0 → 1,76 |
| /* |
| * linux/include/asm-generic/topology.h |
| * |
| * Written by: Matthew Dobson, IBM Corporation |
| * |
| * Copyright (C) 2002, IBM Corp. |
| * |
| * All rights reserved. |
| * |
| * 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 option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for more |
| * details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * Send feedback to <colpatch@us.ibm.com> |
| */ |
| #ifndef _ASM_GENERIC_TOPOLOGY_H |
| #define _ASM_GENERIC_TOPOLOGY_H |
| #ifndef CONFIG_NUMA |
| /* Other architectures wishing to use this simple topology API should fill |
| in the below functions as appropriate in their own <asm/topology.h> file. */ |
| #ifndef cpu_to_node |
| #define cpu_to_node(cpu) ((void)(cpu),0) |
| #endif |
| #ifndef set_numa_node |
| #define set_numa_node(node) |
| #endif |
| #ifndef set_cpu_numa_node |
| #define set_cpu_numa_node(cpu, node) |
| #endif |
| #ifndef cpu_to_mem |
| #define cpu_to_mem(cpu) ((void)(cpu),0) |
| #endif |
| #ifndef parent_node |
| #define parent_node(node) ((void)(node),0) |
| #endif |
| #ifndef cpumask_of_node |
| #define cpumask_of_node(node) ((void)node, cpu_online_mask) |
| #endif |
| #ifndef pcibus_to_node |
| #define pcibus_to_node(bus) ((void)(bus), -1) |
| #endif |
| #ifndef cpumask_of_pcibus |
| #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
| cpu_all_mask : \ |
| cpumask_of_node(pcibus_to_node(bus))) |
| #endif |
| #endif /* CONFIG_NUMA */ |
| #if !defined(CONFIG_NUMA) || !defined(CONFIG_HAVE_MEMORYLESS_NODES) |
| #ifndef set_numa_mem |
| #define set_numa_mem(node) |
| #endif |
| #ifndef set_cpu_numa_mem |
| #define set_cpu_numa_mem(cpu, node) |
| #endif |
| #endif /* !CONFIG_NUMA || !CONFIG_HAVE_MEMORYLESS_NODES */ |
| #endif /* _ASM_GENERIC_TOPOLOGY_H */ |