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authorJoerg Roedel <joerg.roedel@amd.com>2008-12-03 16:52:32 +0300
committerJoerg Roedel <joerg.roedel@amd.com>2009-01-03 16:11:07 +0300
commit5d450806eb0e569c5846a5825e7f535980b0da32 (patch)
tree6b110597307b7e8443e200bd5432ab0cd220d0a2 /drivers/pci/intel-iommu.c
parent19de40a8472fa64693eab844911eec277d489f6c (diff)
downloadlinux-5d450806eb0e569c5846a5825e7f535980b0da32.tar.xz
VT-d: adapt domain init and destroy functions for IOMMU API
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 772fb22e1be0..5c95a5a65440 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -34,6 +34,7 @@
#include <linux/mempool.h>
#include <linux/timer.h>
#include <linux/iova.h>
+#include <linux/iommu.h>
#include <linux/intel-iommu.h>
#include <asm/cacheflush.h>
#include <asm/iommu.h>
@@ -2962,32 +2963,34 @@ static void vm_domain_exit(struct dmar_domain *domain)
free_domain_mem(domain);
}
-struct dmar_domain *intel_iommu_alloc_domain(void)
+static int intel_iommu_domain_init(struct iommu_domain *domain)
{
- struct dmar_domain *domain;
+ struct dmar_domain *dmar_domain;
- domain = iommu_alloc_vm_domain();
- if (!domain) {
+ dmar_domain = iommu_alloc_vm_domain();
+ if (!dmar_domain) {
printk(KERN_ERR
- "intel_iommu_domain_alloc: domain == NULL\n");
- return NULL;
+ "intel_iommu_domain_init: dmar_domain == NULL\n");
+ return -ENOMEM;
}
- if (vm_domain_init(domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
+ if (vm_domain_init(dmar_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
printk(KERN_ERR
- "intel_iommu_domain_alloc: domain_init() failed\n");
- vm_domain_exit(domain);
- return NULL;
+ "intel_iommu_domain_init() failed\n");
+ vm_domain_exit(dmar_domain);
+ return -ENOMEM;
}
+ domain->priv = dmar_domain;
- return domain;
+ return 0;
}
-EXPORT_SYMBOL_GPL(intel_iommu_alloc_domain);
-void intel_iommu_free_domain(struct dmar_domain *domain)
+static void intel_iommu_domain_destroy(struct iommu_domain *domain)
{
- vm_domain_exit(domain);
+ struct dmar_domain *dmar_domain = domain->priv;
+
+ domain->priv = NULL;
+ vm_domain_exit(dmar_domain);
}
-EXPORT_SYMBOL_GPL(intel_iommu_free_domain);
int intel_iommu_attach_device(struct dmar_domain *domain,
struct pci_dev *pdev)