io_trapped.c (9a64e8e0ace51b309fdcff4b4754b3649250382a) | io_trapped.c (ce816fa88cca083c47ab9000b2138a83043a78be) |
---|---|
1/* 2 * Trapped io support 3 * 4 * Copyright (C) 2008 Magnus Damm 5 * 6 * Intercept io operations by trapping. 7 * 8 * This file is subject to the terms and conditions of the GNU General Public --- 8 unchanged lines hidden (view full) --- 17#include <linux/init.h> 18#include <asm/mmu_context.h> 19#include <asm/uaccess.h> 20#include <asm/io.h> 21#include <asm/io_trapped.h> 22 23#define TRAPPED_PAGES_MAX 16 24 | 1/* 2 * Trapped io support 3 * 4 * Copyright (C) 2008 Magnus Damm 5 * 6 * Intercept io operations by trapping. 7 * 8 * This file is subject to the terms and conditions of the GNU General Public --- 8 unchanged lines hidden (view full) --- 17#include <linux/init.h> 18#include <asm/mmu_context.h> 19#include <asm/uaccess.h> 20#include <asm/io.h> 21#include <asm/io_trapped.h> 22 23#define TRAPPED_PAGES_MAX 16 24 |
25#ifdef CONFIG_HAS_IOPORT | 25#ifdef CONFIG_HAS_IOPORT_MAP |
26LIST_HEAD(trapped_io); 27EXPORT_SYMBOL_GPL(trapped_io); 28#endif 29#ifdef CONFIG_HAS_IOMEM 30LIST_HEAD(trapped_mem); 31EXPORT_SYMBOL_GPL(trapped_mem); 32#endif 33static DEFINE_SPINLOCK(trapped_lock); --- 51 unchanged lines hidden (view full) --- 85 res->flags & IORESOURCE_IO ? "io" : "mmio", 86 (unsigned long)res->start); 87 len += roundup(resource_size(res), PAGE_SIZE); 88 } 89 90 tiop->magic = IO_TRAPPED_MAGIC; 91 INIT_LIST_HEAD(&tiop->list); 92 spin_lock_irq(&trapped_lock); | 26LIST_HEAD(trapped_io); 27EXPORT_SYMBOL_GPL(trapped_io); 28#endif 29#ifdef CONFIG_HAS_IOMEM 30LIST_HEAD(trapped_mem); 31EXPORT_SYMBOL_GPL(trapped_mem); 32#endif 33static DEFINE_SPINLOCK(trapped_lock); --- 51 unchanged lines hidden (view full) --- 85 res->flags & IORESOURCE_IO ? "io" : "mmio", 86 (unsigned long)res->start); 87 len += roundup(resource_size(res), PAGE_SIZE); 88 } 89 90 tiop->magic = IO_TRAPPED_MAGIC; 91 INIT_LIST_HEAD(&tiop->list); 92 spin_lock_irq(&trapped_lock); |
93#ifdef CONFIG_HAS_IOPORT | 93#ifdef CONFIG_HAS_IOPORT_MAP |
94 if (flags & IORESOURCE_IO) 95 list_add(&tiop->list, &trapped_io); 96#endif 97#ifdef CONFIG_HAS_IOMEM 98 if (flags & IORESOURCE_MEM) 99 list_add(&tiop->list, &trapped_mem); 100#endif 101 spin_unlock_irq(&trapped_lock); --- 195 unchanged lines hidden --- | 94 if (flags & IORESOURCE_IO) 95 list_add(&tiop->list, &trapped_io); 96#endif 97#ifdef CONFIG_HAS_IOMEM 98 if (flags & IORESOURCE_MEM) 99 list_add(&tiop->list, &trapped_mem); 100#endif 101 spin_unlock_irq(&trapped_lock); --- 195 unchanged lines hidden --- |