From 882143ef30da4182f049eb8192e0fac317c372b3 Mon Sep 17 00:00:00 2001 From: Zhenzhong Duan Date: Thu, 2 Nov 2023 15:12:40 +0800 Subject: [PATCH 015/101] vfio/container: Move iova_ranges to base container 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: [14/67] 49f2e3c484b4c0c63be9aa4eb1bf08804dcb1ec3 (eauger1/centos-qemu-kvm) Meanwhile remove the helper function vfio_free_container as it only calls g_free now. No functional change intended. Signed-off-by: Zhenzhong Duan Reviewed-by: Cédric Le Goater Signed-off-by: Cédric Le Goater (cherry picked from commit f79baf8c9575ac3193ca86ec508791c86d96b13e) Signed-off-by: Eric Auger --- hw/vfio/common.c | 5 +++-- hw/vfio/container-base.c | 3 +++ hw/vfio/container.c | 19 ++++++------------- include/hw/vfio/vfio-common.h | 1 - include/hw/vfio/vfio-container-base.h | 1 + 5 files changed, 13 insertions(+), 16 deletions(-) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index be623e544b..8ef2e7967d 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -637,9 +637,10 @@ static void vfio_listener_region_add(MemoryListener *listener, goto fail; } - if (container->iova_ranges) { + if (bcontainer->iova_ranges) { ret = memory_region_iommu_set_iova_ranges(giommu->iommu_mr, - container->iova_ranges, &err); + bcontainer->iova_ranges, + &err); if (ret) { g_free(giommu); goto fail; diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index 7f508669f5..0177f43741 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -54,6 +54,7 @@ void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, bcontainer->error = NULL; bcontainer->dirty_pages_supported = false; bcontainer->dma_max_mappings = 0; + bcontainer->iova_ranges = NULL; QLIST_INIT(&bcontainer->giommu_list); QLIST_INIT(&bcontainer->vrdl_list); } @@ -70,4 +71,6 @@ void vfio_container_destroy(VFIOContainerBase *bcontainer) QLIST_REMOVE(giommu, giommu_next); g_free(giommu); } + + g_list_free_full(bcontainer->iova_ranges, g_free); } diff --git a/hw/vfio/container.c b/hw/vfio/container.c index c8088a8174..721c0d7375 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -308,7 +308,7 @@ bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info, } static bool vfio_get_info_iova_range(struct vfio_iommu_type1_info *info, - VFIOContainer *container) + VFIOContainerBase *bcontainer) { struct vfio_info_cap_header *hdr; struct vfio_iommu_type1_info_cap_iova_range *cap; @@ -326,8 +326,8 @@ static bool vfio_get_info_iova_range(struct vfio_iommu_type1_info *info, range_set_bounds(range, cap->iova_ranges[i].start, cap->iova_ranges[i].end); - container->iova_ranges = - range_list_insert(container->iova_ranges, range); + bcontainer->iova_ranges = + range_list_insert(bcontainer->iova_ranges, range); } return true; @@ -475,12 +475,6 @@ static void vfio_get_iommu_info_migration(VFIOContainer *container, } } -static void vfio_free_container(VFIOContainer *container) -{ - g_list_free_full(container->iova_ranges, g_free); - g_free(container); -} - static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, Error **errp) { @@ -560,7 +554,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, container = g_malloc0(sizeof(*container)); container->fd = fd; - container->iova_ranges = NULL; bcontainer = &container->bcontainer; vfio_container_init(bcontainer, space, &vfio_legacy_ops); @@ -597,7 +590,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, bcontainer->dma_max_mappings = 65535; } - vfio_get_info_iova_range(info, container); + vfio_get_info_iova_range(info, bcontainer); vfio_get_iommu_info_migration(container, info); g_free(info); @@ -649,7 +642,7 @@ enable_discards_exit: vfio_ram_block_discard_disable(container, false); free_container_exit: - vfio_free_container(container); + g_free(container); close_fd_exit: close(fd); @@ -693,7 +686,7 @@ static void vfio_disconnect_container(VFIOGroup *group) trace_vfio_disconnect_container(container->fd); close(container->fd); - vfio_free_container(container); + g_free(container); vfio_put_address_space(space); } diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index b1c9fe711b..b9e5a0e64b 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -82,7 +82,6 @@ typedef struct VFIOContainer { unsigned iommu_type; QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list; QLIST_HEAD(, VFIOGroup) group_list; - GList *iova_ranges; } VFIOContainer; typedef struct VFIOHostDMAWindow { diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 80e4a993c5..9658ffb526 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -48,6 +48,7 @@ typedef struct VFIOContainerBase { QLIST_HEAD(, VFIORamDiscardListener) vrdl_list; QLIST_ENTRY(VFIOContainerBase) next; QLIST_HEAD(, VFIODevice) device_list; + GList *iova_ranges; } VFIOContainerBase; typedef struct VFIOGuestIOMMU { -- 2.39.3