5bf4c7c834
Since this function needs kvm specific types, we need to extract in another file and link it only for KVM builds. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: Cédric Le Goater <clg@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Link: https://lore.kernel.org/qemu-devel/20260318174733.1717643-8-pierrick.bouvier@linaro.org Signed-off-by: Cédric Le Goater <clg@redhat.com>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* VFIO sPAPR KVM specific functions
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include <sys/ioctl.h>
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#include <linux/vfio.h>
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#include <linux/kvm.h>
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#include "hw/vfio/vfio-container-legacy.h"
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#include "hw/vfio/kvm-spapr.h"
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#include "qapi/error.h"
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#include "trace.h"
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#include "vfio-helpers.h"
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bool vfio_spapr_kvm_attach_tce(VFIOContainer *bcontainer,
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MemoryRegionSection *section,
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Error **errp)
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{
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VFIOLegacyContainer *container = VFIO_IOMMU_LEGACY(bcontainer);
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VFIOGroup *group;
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IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr);
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struct kvm_vfio_spapr_tce param;
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struct kvm_device_attr attr = {
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.group = KVM_DEV_VFIO_GROUP,
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.attr = KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE,
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.addr = (uint64_t)(unsigned long)¶m,
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};
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if (!memory_region_iommu_get_attr(iommu_mr, IOMMU_ATTR_SPAPR_TCE_FD,
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¶m.tablefd)) {
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QLIST_FOREACH(group, &container->group_list, container_next) {
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param.groupfd = group->fd;
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if (ioctl(vfio_kvm_device_fd, KVM_SET_DEVICE_ATTR, &attr)) {
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error_setg_errno(errp, errno,
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"vfio: failed GROUP_SET_SPAPR_TCE for "
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"KVM VFIO device %d and group fd %d",
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param.tablefd, param.groupfd);
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return false;
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}
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trace_vfio_spapr_group_attach(param.groupfd, param.tablefd);
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}
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}
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return true;
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}
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