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185 lines
7.4 KiB
185 lines
7.4 KiB
From 3b7f044f15b4a9daf4ad7eda58777aba6dbe3fc0 Mon Sep 17 00:00:00 2001
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From: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Date: Thu, 2 Nov 2023 15:12:43 +0800
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Subject: [PATCH 018/101] vfio/spapr: switch to spapr IOMMU BE
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add/del_section_window
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 211: IOMMUFD backend backport
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RH-Jira: RHEL-19302 RHEL-21057
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RH-Acked-by: Cédric Le Goater <clg@redhat.com>
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RH-Acked-by: Sebastian Ott <sebott@redhat.com>
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RH-Commit: [17/67] a0d9f1f2d4d2592f3d9fc2ee5b2c38236a986e38 (eauger1/centos-qemu-kvm)
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No functional change intended.
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Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
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Reviewed-by: Cédric Le Goater <clg@redhat.com
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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(cherry picked from commit 233309e8e4c158af6c6b126d5ad021bae40a918a)
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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---
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hw/vfio/common.c | 8 ++------
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hw/vfio/container-base.c | 21 +++++++++++++++++++++
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hw/vfio/spapr.c | 19 ++++++++++++++-----
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include/hw/vfio/vfio-common.h | 5 -----
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include/hw/vfio/vfio-container-base.h | 5 +++++
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5 files changed, 42 insertions(+), 16 deletions(-)
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diff --git a/hw/vfio/common.c b/hw/vfio/common.c
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index 483ba82089..572ae7c934 100644
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--- a/hw/vfio/common.c
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+++ b/hw/vfio/common.c
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@@ -571,8 +571,6 @@ static void vfio_listener_region_add(MemoryListener *listener,
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{
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VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase,
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listener);
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- VFIOContainer *container = container_of(bcontainer, VFIOContainer,
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- bcontainer);
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hwaddr iova, end;
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Int128 llend, llsize;
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void *vaddr;
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@@ -595,7 +593,7 @@ static void vfio_listener_region_add(MemoryListener *listener,
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return;
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}
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- if (vfio_container_add_section_window(container, section, &err)) {
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+ if (vfio_container_add_section_window(bcontainer, section, &err)) {
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goto fail;
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}
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@@ -738,8 +736,6 @@ static void vfio_listener_region_del(MemoryListener *listener,
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{
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VFIOContainerBase *bcontainer = container_of(listener, VFIOContainerBase,
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listener);
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- VFIOContainer *container = container_of(bcontainer, VFIOContainer,
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- bcontainer);
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hwaddr iova, end;
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Int128 llend, llsize;
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int ret;
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@@ -818,7 +814,7 @@ static void vfio_listener_region_del(MemoryListener *listener,
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memory_region_unref(section->mr);
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- vfio_container_del_section_window(container, section);
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+ vfio_container_del_section_window(bcontainer, section);
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}
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typedef struct VFIODirtyRanges {
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diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
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index 0177f43741..71f7274973 100644
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--- a/hw/vfio/container-base.c
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+++ b/hw/vfio/container-base.c
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@@ -31,6 +31,27 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
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return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
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}
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+int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section,
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+ Error **errp)
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+{
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+ if (!bcontainer->ops->add_window) {
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+ return 0;
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+ }
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+
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+ return bcontainer->ops->add_window(bcontainer, section, errp);
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+}
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+
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+void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section)
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+{
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+ if (!bcontainer->ops->del_window) {
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+ return;
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+ }
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+
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+ return bcontainer->ops->del_window(bcontainer, section);
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+}
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+
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int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
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bool start)
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{
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diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c
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index e1a6b35563..5be1911aad 100644
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--- a/hw/vfio/spapr.c
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+++ b/hw/vfio/spapr.c
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@@ -319,10 +319,13 @@ static int vfio_spapr_create_window(VFIOContainer *container,
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return 0;
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}
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-int vfio_container_add_section_window(VFIOContainer *container,
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- MemoryRegionSection *section,
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- Error **errp)
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+static int
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+vfio_spapr_container_add_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section,
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+ Error **errp)
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{
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+ VFIOContainer *container = container_of(bcontainer, VFIOContainer,
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+ bcontainer);
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VFIOHostDMAWindow *hostwin;
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hwaddr pgsize = 0;
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int ret;
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@@ -407,9 +410,13 @@ int vfio_container_add_section_window(VFIOContainer *container,
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return 0;
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}
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-void vfio_container_del_section_window(VFIOContainer *container,
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- MemoryRegionSection *section)
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+static void
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+vfio_spapr_container_del_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section)
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{
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+ VFIOContainer *container = container_of(bcontainer, VFIOContainer,
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+ bcontainer);
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+
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if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) {
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return;
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}
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@@ -430,6 +437,8 @@ static VFIOIOMMUOps vfio_iommu_spapr_ops;
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static void setup_spapr_ops(VFIOContainerBase *bcontainer)
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{
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vfio_iommu_spapr_ops = *bcontainer->ops;
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+ vfio_iommu_spapr_ops.add_window = vfio_spapr_container_add_section_window;
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+ vfio_iommu_spapr_ops.del_window = vfio_spapr_container_del_section_window;
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bcontainer->ops = &vfio_iommu_spapr_ops;
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}
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diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
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index b9e5a0e64b..055f679363 100644
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--- a/include/hw/vfio/vfio-common.h
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+++ b/include/hw/vfio/vfio-common.h
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@@ -169,11 +169,6 @@ VFIOAddressSpace *vfio_get_address_space(AddressSpace *as);
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void vfio_put_address_space(VFIOAddressSpace *space);
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/* SPAPR specific */
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-int vfio_container_add_section_window(VFIOContainer *container,
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- MemoryRegionSection *section,
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- Error **errp);
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-void vfio_container_del_section_window(VFIOContainer *container,
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- MemoryRegionSection *section);
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int vfio_spapr_container_init(VFIOContainer *container, Error **errp);
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void vfio_spapr_container_deinit(VFIOContainer *container);
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diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h
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index f62a14ac73..4b6f017c6f 100644
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--- a/include/hw/vfio/vfio-container-base.h
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+++ b/include/hw/vfio/vfio-container-base.h
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@@ -75,6 +75,11 @@ int vfio_container_dma_map(VFIOContainerBase *bcontainer,
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int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
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hwaddr iova, ram_addr_t size,
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IOMMUTLBEntry *iotlb);
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+int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section,
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+ Error **errp);
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+void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
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+ MemoryRegionSection *section);
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int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
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bool start);
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int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer,
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--
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2.39.3
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