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From 6e4599e1863990d7f8aa409fb67ca115b99c2fdf Mon Sep 17 00:00:00 2001
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From: Peter Xu <peterx@redhat.com>
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Date: Mon, 3 Sep 2018 04:52:38 +0200
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Subject: [PATCH 23/29] intel-iommu: pass in address space when page walk
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RH-Author: Peter Xu <peterx@redhat.com>
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Message-id: <20180903045241.6456-7-peterx@redhat.com>
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Patchwork-id: 82027
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O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 6/9] intel-iommu: pass in address space when page walk
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Bugzilla: 1623859
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RH-Acked-by: Xiao Wang <jasowang@redhat.com>
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RH-Acked-by: Auger Eric <eric.auger@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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We pass in the VTDAddressSpace too. It'll be used in the follow up
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patches.
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CC: QEMU Stable <qemu-stable@nongnu.org>
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Signed-off-by: Peter Xu <peterx@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 2f764fa87d2a81812b313dd6d998e10126292653)
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Signed-off-by: Peter Xu <peterx@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/i386/intel_iommu.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
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index e247269..a882894 100644
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--- a/hw/i386/intel_iommu.c
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+++ b/hw/i386/intel_iommu.c
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@@ -754,9 +754,11 @@ typedef int (*vtd_page_walk_hook)(IOMMUTLBEntry *entry, void *private);
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* @hook_fn: hook func to be called when detected page
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* @private: private data to be passed into hook func
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* @notify_unmap: whether we should notify invalid entries
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+ * @as: VT-d address space of the device
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* @aw: maximum address width
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*/
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typedef struct {
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+ VTDAddressSpace *as;
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vtd_page_walk_hook hook_fn;
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void *private;
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bool notify_unmap;
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@@ -1463,6 +1465,7 @@ static void vtd_iotlb_page_invalidate_notify(IntelIOMMUState *s,
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.private = (void *)&vtd_as->iommu,
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.notify_unmap = true,
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.aw = s->aw_bits,
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+ .as = vtd_as,
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};
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/*
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@@ -2943,6 +2946,7 @@ static void vtd_iommu_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n)
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.private = (void *)n,
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.notify_unmap = false,
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.aw = s->aw_bits,
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+ .as = vtd_as,
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};
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vtd_page_walk(&ce, 0, ~0ULL, &info;;
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--
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1.8.3.1
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