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-rw-r--r--drivers/base/iommu.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
deleted file mode 100644
index 6e6b6a1..0000000
--- 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);