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Date: Thu, 4 Dec 2008 18:28:51 +0100 From: Joerg Roedel <joerg.roedel@....com> To: avi@...hat.com, mingo@...hat.com, dwmw2@...radead.org, gregkh@...e.de, weidong.han@...el.com CC: iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org, Joerg Roedel <joerg.roedel@....com> Subject: [PATCH 06/11] VT-d: adapt domain init and destroy functions for IOMMU API Signed-off-by: Joerg Roedel <joerg.roedel@....com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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