vfio_container_add/del_section_window are spapr specific functions, so move them into spapr.c to make container.c cleaner.
No functional changes intended. Suggested-by: Cédric Le Goater <c...@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com> --- hw/vfio/container.c | 90 --------------------------------------------- hw/vfio/spapr.c | 90 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 90 insertions(+), 90 deletions(-) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 83c0f05bba..7a3f005d1b 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -20,9 +20,6 @@ #include "qemu/osdep.h" #include <sys/ioctl.h> -#ifdef CONFIG_KVM -#include <linux/kvm.h> -#endif #include <linux/vfio.h> #include "hw/vfio/vfio-common.h" @@ -32,7 +29,6 @@ #include "hw/hw.h" #include "qemu/error-report.h" #include "qemu/range.h" -#include "sysemu/kvm.h" #include "sysemu/reset.h" #include "trace.h" #include "qapi/error.h" @@ -204,92 +200,6 @@ int vfio_dma_map(VFIOContainer *container, hwaddr iova, return -errno; } -int vfio_container_add_section_window(VFIOContainer *container, - MemoryRegionSection *section, - Error **errp) -{ - VFIOHostDMAWindow *hostwin; - hwaddr pgsize = 0; - int ret; - - if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) { - return 0; - } - - /* For now intersections are not allowed, we may relax this later */ - QLIST_FOREACH(hostwin, &container->hostwin_list, hostwin_next) { - if (ranges_overlap(hostwin->min_iova, - hostwin->max_iova - hostwin->min_iova + 1, - section->offset_within_address_space, - int128_get64(section->size))) { - error_setg(errp, - "region [0x%"PRIx64",0x%"PRIx64"] overlaps with existing" - "host DMA window [0x%"PRIx64",0x%"PRIx64"]", - section->offset_within_address_space, - section->offset_within_address_space + - int128_get64(section->size) - 1, - hostwin->min_iova, hostwin->max_iova); - return -EINVAL; - } - } - - ret = vfio_spapr_create_window(container, section, &pgsize); - if (ret) { - error_setg_errno(errp, -ret, "Failed to create SPAPR window"); - return ret; - } - - vfio_host_win_add(container, section->offset_within_address_space, - section->offset_within_address_space + - int128_get64(section->size) - 1, pgsize); -#ifdef CONFIG_KVM - if (kvm_enabled()) { - VFIOGroup *group; - IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr); - struct kvm_vfio_spapr_tce param; - struct kvm_device_attr attr = { - .group = KVM_DEV_VFIO_GROUP, - .attr = KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE, - .addr = (uint64_t)(unsigned long)¶m, - }; - - if (!memory_region_iommu_get_attr(iommu_mr, IOMMU_ATTR_SPAPR_TCE_FD, - ¶m.tablefd)) { - QLIST_FOREACH(group, &container->group_list, container_next) { - param.groupfd = group->fd; - if (ioctl(vfio_kvm_device_fd, KVM_SET_DEVICE_ATTR, &attr)) { - error_setg_errno(errp, errno, - "vfio: failed GROUP_SET_SPAPR_TCE for " - "KVM VFIO device %d and group fd %d", - param.tablefd, param.groupfd); - return -errno; - } - trace_vfio_spapr_group_attach(param.groupfd, param.tablefd); - } - } - } -#endif - return 0; -} - -void vfio_container_del_section_window(VFIOContainer *container, - MemoryRegionSection *section) -{ - if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) { - return; - } - - vfio_spapr_remove_window(container, - section->offset_within_address_space); - if (vfio_host_win_del(container, - section->offset_within_address_space, - section->offset_within_address_space + - int128_get64(section->size) - 1) < 0) { - hw_error("%s: Cannot delete missing window at %"HWADDR_PRIx, - __func__, section->offset_within_address_space); - } -} - int vfio_set_dirty_page_tracking(VFIOContainer *container, bool start) { int ret; diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c index 9ec1e95f6d..9a7517c042 100644 --- a/hw/vfio/spapr.c +++ b/hw/vfio/spapr.c @@ -11,6 +11,10 @@ #include "qemu/osdep.h" #include <sys/ioctl.h> #include <linux/vfio.h> +#ifdef CONFIG_KVM +#include <linux/kvm.h> +#endif +#include "sysemu/kvm.h" #include "hw/vfio/vfio-common.h" #include "hw/hw.h" @@ -253,3 +257,89 @@ int vfio_spapr_remove_window(VFIOContainer *container, return 0; } + +int vfio_container_add_section_window(VFIOContainer *container, + MemoryRegionSection *section, + Error **errp) +{ + VFIOHostDMAWindow *hostwin; + hwaddr pgsize = 0; + int ret; + + if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) { + return 0; + } + + /* For now intersections are not allowed, we may relax this later */ + QLIST_FOREACH(hostwin, &container->hostwin_list, hostwin_next) { + if (ranges_overlap(hostwin->min_iova, + hostwin->max_iova - hostwin->min_iova + 1, + section->offset_within_address_space, + int128_get64(section->size))) { + error_setg(errp, + "region [0x%"PRIx64",0x%"PRIx64"] overlaps with existing" + "host DMA window [0x%"PRIx64",0x%"PRIx64"]", + section->offset_within_address_space, + section->offset_within_address_space + + int128_get64(section->size) - 1, + hostwin->min_iova, hostwin->max_iova); + return -EINVAL; + } + } + + ret = vfio_spapr_create_window(container, section, &pgsize); + if (ret) { + error_setg_errno(errp, -ret, "Failed to create SPAPR window"); + return ret; + } + + vfio_host_win_add(container, section->offset_within_address_space, + section->offset_within_address_space + + int128_get64(section->size) - 1, pgsize); +#ifdef CONFIG_KVM + if (kvm_enabled()) { + VFIOGroup *group; + IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr); + struct kvm_vfio_spapr_tce param; + struct kvm_device_attr attr = { + .group = KVM_DEV_VFIO_GROUP, + .attr = KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE, + .addr = (uint64_t)(unsigned long)¶m, + }; + + if (!memory_region_iommu_get_attr(iommu_mr, IOMMU_ATTR_SPAPR_TCE_FD, + ¶m.tablefd)) { + QLIST_FOREACH(group, &container->group_list, container_next) { + param.groupfd = group->fd; + if (ioctl(vfio_kvm_device_fd, KVM_SET_DEVICE_ATTR, &attr)) { + error_setg_errno(errp, errno, + "vfio: failed GROUP_SET_SPAPR_TCE for " + "KVM VFIO device %d and group fd %d", + param.tablefd, param.groupfd); + return -errno; + } + trace_vfio_spapr_group_attach(param.groupfd, param.tablefd); + } + } + } +#endif + return 0; +} + +void vfio_container_del_section_window(VFIOContainer *container, + MemoryRegionSection *section) +{ + if (container->iommu_type != VFIO_SPAPR_TCE_v2_IOMMU) { + return; + } + + vfio_spapr_remove_window(container, + section->offset_within_address_space); + if (vfio_host_win_del(container, + section->offset_within_address_space, + section->offset_within_address_space + + int128_get64(section->size) - 1) < 0) { + hw_error("%s: Cannot delete missing window at %"HWADDR_PRIx, + __func__, section->offset_within_address_space); + } +} -- 2.34.1