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99 lines
3.6 KiB
99 lines
3.6 KiB
From 7de36998dd6177380e46b8c5f3a91c3fad75483c 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 15:12:30 +0800
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Subject: [PATCH 005/101] vfio/common: Introduce vfio_container_init/destroy
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helper
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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: [4/67] 8287f687ef19cd84afede1e8f3b16ac3caf29a1d (eauger1/centos-qemu-kvm)
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This adds two helper functions vfio_container_init/destroy which will be
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used by both legacy and iommufd containers to do base container specific
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initialization and release.
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No functional change intended.
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Suggested-by: Cédric Le Goater <clg@redhat.com>
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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 ed2f7f80170251e7cdd2965a13ee97527d1fbec8)
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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---
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hw/vfio/container-base.c | 9 +++++++++
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hw/vfio/container.c | 4 +++-
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include/hw/vfio/vfio-container-base.h | 4 ++++
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3 files changed, 16 insertions(+), 1 deletion(-)
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diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c
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index 55d3a35fa4..e929435751 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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@@ -30,3 +30,12 @@ int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
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g_assert(bcontainer->ops->dma_unmap);
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return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
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}
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+
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+void vfio_container_init(VFIOContainerBase *bcontainer, const VFIOIOMMUOps *ops)
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+{
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+ bcontainer->ops = ops;
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+}
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+
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+void vfio_container_destroy(VFIOContainerBase *bcontainer)
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+{
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+}
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diff --git a/hw/vfio/container.c b/hw/vfio/container.c
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index c04df26323..32a0251dd1 100644
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--- a/hw/vfio/container.c
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+++ b/hw/vfio/container.c
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@@ -559,7 +559,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
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QLIST_INIT(&container->giommu_list);
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QLIST_INIT(&container->vrdl_list);
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bcontainer = &container->bcontainer;
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- bcontainer->ops = &vfio_legacy_ops;
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+ vfio_container_init(bcontainer, &vfio_legacy_ops);
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ret = vfio_init_container(container, group->fd, errp);
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if (ret) {
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@@ -661,6 +661,7 @@ put_space_exit:
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static void vfio_disconnect_container(VFIOGroup *group)
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{
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VFIOContainer *container = group->container;
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+ VFIOContainerBase *bcontainer = &container->bcontainer;
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QLIST_REMOVE(group, container_next);
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group->container = NULL;
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@@ -695,6 +696,7 @@ static void vfio_disconnect_container(VFIOGroup *group)
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QLIST_REMOVE(giommu, giommu_next);
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g_free(giommu);
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}
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+ vfio_container_destroy(bcontainer);
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trace_vfio_disconnect_container(container->fd);
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close(container->fd);
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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 56b033f59f..577f52ccbc 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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@@ -38,6 +38,10 @@ 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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+void vfio_container_init(VFIOContainerBase *bcontainer,
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+ const VFIOIOMMUOps *ops);
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+void vfio_container_destroy(VFIOContainerBase *bcontainer);
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+
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struct VFIOIOMMUOps {
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/* basic feature */
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int (*dma_map)(VFIOContainerBase *bcontainer,
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--
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2.39.3
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