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