[PATCH 06/11] VT-d: adapt domain init and destroy functions for IOMMU API

Joerg Roedel
2008-12-04T17:33:12Z

drivers/pci/intel-iommu.c | 33 ++++++++++++++++++---------------
include/linux/intel-iommu.h | 2 --
2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a8c2e58..c939039 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -35,6 +35,7 @@
#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>
@@ -2665,32 +2666,34 @@ 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)
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 39a68b3..b4a2c2d 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -335,8 +335,6 @@ extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,

extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);

-struct dmar_domain *intel_iommu_alloc_domain(void);
-void intel_iommu_free_domain(struct dmar_domain *domain);
int intel_iommu_attach_device(struct dmar_domain *domain,
struct pci_dev *pdev);
void intel_iommu_detach_device(struct dmar_domain *domain,
--
1.5.6.4