diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-22 16:39:42 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-22 16:39:42 -0700 |
commit | 6d16d6d9bb6f93e6f8506cfb3e91795d6443d54f (patch) | |
tree | 92a1c9e4b645fa6d1fffedaeb56141b66f847320 /drivers/base | |
parent | 431bf99d26157d56689e5de65bd27ce9f077fc3f (diff) | |
parent | b395fb36d59e17b9335805c10fa30fc51c8a94c6 (diff) |
Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
iommu/core: Fix build with INTR_REMAP=y && CONFIG_DMAR=n
iommu/amd: Don't use MSI address range for DMA addresses
iommu/amd: Move missing parts to drivers/iommu
iommu: Move iommu Kconfig entries to submenu
x86/ia64: intel-iommu: move to drivers/iommu/
x86: amd_iommu: move to drivers/iommu/
msm: iommu: move to drivers/iommu/
drivers: iommu: move to a dedicated folder
x86/amd-iommu: Store device alias as dev_data pointer
x86/amd-iommu: Search for existind dev_data before allocting a new one
x86/amd-iommu: Allow dev_data->alias to be NULL
x86/amd-iommu: Use only dev_data in low-level domain attach/detach functions
x86/amd-iommu: Use only dev_data for dte and iotlb flushing routines
x86/amd-iommu: Store ATS state in dev_data
x86/amd-iommu: Store devid in dev_data
x86/amd-iommu: Introduce global dev_data_list
x86/amd-iommu: Remove redundant device_flush_dte() calls
iommu-api: Add missing header file
Fix up trivial conflicts (independent additions close to each other) in
drivers/Makefile and include/linux/pci.h
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/Makefile | 1 | ||||
-rw-r--r-- | drivers/base/iommu.c | 124 |
2 files changed, 0 insertions, 125 deletions
diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 4c5701c15f5..5ab0d07c457 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_FW_LOADER) += firmware_class.o obj-$(CONFIG_NUMA) += node.o obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o obj-$(CONFIG_SMP) += topology.o -obj-$(CONFIG_IOMMU_API) += iommu.o ifeq ($(CONFIG_SYSFS),y) obj-$(CONFIG_MODULES) += module.o endif diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c deleted file mode 100644 index 6e6b6a11b3c..00000000000 --- a/drivers/base/iommu.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. - * Author: Joerg Roedel <joerg.roedel@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * 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. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/bug.h> -#include <linux/types.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/iommu.h> - -static struct iommu_ops *iommu_ops; - -void register_iommu(struct iommu_ops *ops) -{ - if (iommu_ops) - BUG(); - - iommu_ops = ops; -} - -bool iommu_found(void) -{ - return iommu_ops != NULL; -} -EXPORT_SYMBOL_GPL(iommu_found); - -struct iommu_domain *iommu_domain_alloc(void) -{ - struct iommu_domain *domain; - int ret; - - domain = kmalloc(sizeof(*domain), GFP_KERNEL); - if (!domain) - return NULL; - - ret = iommu_ops->domain_init(domain); - if (ret) - goto out_free; - - return domain; - -out_free: - kfree(domain); - - return NULL; -} -EXPORT_SYMBOL_GPL(iommu_domain_alloc); - -void iommu_domain_free(struct iommu_domain *domain) -{ - iommu_ops->domain_destroy(domain); - kfree(domain); -} -EXPORT_SYMBOL_GPL(iommu_domain_free); - -int iommu_attach_device(struct iommu_domain *domain, struct device *dev) -{ - return iommu_ops->attach_dev(domain, dev); -} -EXPORT_SYMBOL_GPL(iommu_attach_device); - -void iommu_detach_device(struct iommu_domain *domain, struct device *dev) -{ - iommu_ops->detach_dev(domain, dev); -} -EXPORT_SYMBOL_GPL(iommu_detach_device); - -phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, - unsigned long iova) -{ - return iommu_ops->iova_to_phys(domain, iova); -} -EXPORT_SYMBOL_GPL(iommu_iova_to_phys); - -int iommu_domain_has_cap(struct iommu_domain *domain, - unsigned long cap) -{ - return iommu_ops->domain_has_cap(domain, cap); -} -EXPORT_SYMBOL_GPL(iommu_domain_has_cap); - -int iommu_map(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, int gfp_order, int prot) -{ - unsigned long invalid_mask; - size_t size; - - size = 0x1000UL << gfp_order; - invalid_mask = size - 1; - - BUG_ON((iova | paddr) & invalid_mask); - - return iommu_ops->map(domain, iova, paddr, gfp_order, prot); -} -EXPORT_SYMBOL_GPL(iommu_map); - -int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order) -{ - unsigned long invalid_mask; - size_t size; - - size = 0x1000UL << gfp_order; - invalid_mask = size - 1; - - BUG_ON(iova & invalid_mask); - - return iommu_ops->unmap(domain, iova, gfp_order); -} -EXPORT_SYMBOL_GPL(iommu_unmap); |