From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47640) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3fq2-00043p-JN for qemu-devel@nongnu.org; Thu, 27 Apr 2017 05:35:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d3fpy-0004Tg-K7 for qemu-devel@nongnu.org; Thu, 27 Apr 2017 05:35:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35912) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d3fpy-0004TC-EK for qemu-devel@nongnu.org; Thu, 27 Apr 2017 05:35:46 -0400 From: Peter Xu Date: Thu, 27 Apr 2017 17:34:19 +0800 Message-Id: <1493285660-4470-8-git-send-email-peterx@redhat.com> In-Reply-To: <1493285660-4470-1-git-send-email-peterx@redhat.com> References: <1493285660-4470-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [RFC PATCH 7/8] intel_iommu: provide AddressSpaceOps.iommu_get() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: tianyu.lan@intel.com, Paolo Bonzini , kevin.tian@intel.com, yi.l.liu@intel.com, peterx@redhat.com, Jason Wang , David Gibson , Alex Williamson Then it'll be the first one to support address_space_iommu_get() API. Signed-off-by: Peter Xu --- hw/i386/intel_iommu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 609732b..5131329 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2632,6 +2632,12 @@ static const MemoryRegionOps vtd_mem_ir_ops = { }, }; +static IOMMUObject *vtd_as_iommu_get(AddressSpace *as) +{ + VTDAddressSpace *vtd_dev_as = container_of(as, VTDAddressSpace, as); + return (IOMMUObject *)vtd_dev_as->iommu_state; +} + VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) { uintptr_t key = (uintptr_t)bus; @@ -2692,6 +2698,9 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) VTD_INTERRUPT_ADDR_FIRST, &vtd_dev_as->iommu_ir, 64); address_space_init(&vtd_dev_as->as, &vtd_dev_as->root, name); + + vtd_dev_as->as.as_ops.iommu_get = vtd_as_iommu_get; + memory_region_add_subregion_overlap(&vtd_dev_as->root, 0, &vtd_dev_as->sys_alias, 1); memory_region_add_subregion_overlap(&vtd_dev_as->root, 0, -- 2.7.4