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bh=xqIsR4i4BO9OGZmzS8WyxkJHNJeLczlReQB/Vcukk1A=; b=W3GBuVaYBI6/f9cKIutduWwzRqPgLwbPWJVlqjfnpPt+d7XIWZDTmqLv8nYjBmCplrLill LdrM/TlPni8o/aif6+AfkhI+JRXCcN2WWhhkIueONMJicNdEfUWZnSI8z1EdyOZEX2m53J He+JkRH0hqr+K7KTg7neLv9NHF2gCF4= X-MC-Unique: 8kzxvro_NzG6YgVOEPRBzw-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, jean-philippe@linaro.org, alex.williamson@redhat.com, peter.maydell@linaro.org, zhenzhong.duan@intel.com, peterx@redhat.com, yanghliu@redhat.com, pbonzini@redhat.com Cc: mst@redhat.com, clg@redhat.com Subject: [RFC 7/7] memory: Remove IOMMU MR iommu_set_iova_range API Date: Wed, 17 Jan 2024 09:02:11 +0100 Message-ID: <20240117080414.316890-8-eric.auger@redhat.com> In-Reply-To: <20240117080414.316890-1-eric.auger@redhat.com> References: <20240117080414.316890-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Since the host IOVA ranges are now passed through the PCIIOMMUOps set_host_resv_regions and we have removed the only implementation of iommu_set_iova_range() in the virtio-iommu and the only call site in vfio/common, let's retire the IOMMU MR API and its memory wrapper. Signed-off-by: Eric Auger --- include/exec/memory.h | 32 -------------------------------- system/memory.c | 13 ------------- 2 files changed, 45 deletions(-) diff --git a/include/exec/memory.h b/include/exec/memory.h index 177be23db7..7677b572c5 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -527,26 +527,6 @@ struct IOMMUMemoryRegionClass { int (*iommu_set_page_size_mask)(IOMMUMemoryRegion *iommu, uint64_t page_size_mask, Error **errp); - /** - * @iommu_set_iova_ranges: - * - * Propagate information about the usable IOVA ranges for a given IOMMU - * memory region. Used for example to propagate host physical device - * reserved memory region constraints to the virtual IOMMU. - * - * Optional method: if this method is not provided, then the default I= OVA - * aperture is used. - * - * @iommu: the IOMMUMemoryRegion - * - * @iova_ranges: list of ordered IOVA ranges (at least one range) - * - * Returns 0 on success, or a negative error. In case of failure, the = error - * object must be created. - */ - int (*iommu_set_iova_ranges)(IOMMUMemoryRegion *iommu, - GList *iova_ranges, - Error **errp); }; =20 typedef struct RamDiscardListener RamDiscardListener; @@ -1896,18 +1876,6 @@ int memory_region_iommu_set_page_size_mask(IOMMUMemo= ryRegion *iommu_mr, uint64_t page_size_mask, Error **errp); =20 -/** - * memory_region_iommu_set_iova_ranges - Set the usable IOVA ranges - * for a given IOMMU MR region - * - * @iommu: IOMMU memory region - * @iova_ranges: list of ordered IOVA ranges (at least one range) - * @errp: pointer to Error*, to store an error if it happens. - */ -int memory_region_iommu_set_iova_ranges(IOMMUMemoryRegion *iommu, - GList *iova_ranges, - Error **errp); - /** * memory_region_name: get a memory region's name * diff --git a/system/memory.c b/system/memory.c index a229a79988..b2fb12f87f 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1909,19 +1909,6 @@ int memory_region_iommu_set_page_size_mask(IOMMUMemo= ryRegion *iommu_mr, return ret; } =20 -int memory_region_iommu_set_iova_ranges(IOMMUMemoryRegion *iommu_mr, - GList *iova_ranges, - Error **errp) -{ - IOMMUMemoryRegionClass *imrc =3D IOMMU_MEMORY_REGION_GET_CLASS(iommu_m= r); - int ret =3D 0; - - if (imrc->iommu_set_iova_ranges) { - ret =3D imrc->iommu_set_iova_ranges(iommu_mr, iova_ranges, errp); - } - return ret; -} - int memory_region_register_iommu_notifier(MemoryRegion *mr, IOMMUNotifier *n, Error **errp) { --=20 2.41.0