mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-12-22 13:45:20 +00:00
virtio-devices, vmm: Update virtio-iommu to rely on VIOT
Since using the VIRTIO configuration to expose the virtual IOMMU topology has been deprecated, the virtio-iommu implementation must be updated. In order to follow the latest patchset that is about to be merged in the upstream Linux kernel, it must rely on ACPI, and in particular the newly introduced VIOT table to expose the information about the list of PCI devices attached to the virtual IOMMU. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
parent
de7cfd61a0
commit
a6fe4aa7e9
@ -180,7 +180,7 @@ To build the kernel:
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# Clone the Cloud Hypervisor Linux branch
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$ pushd $CLOUDH
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$ git clone --depth 1 https://github.com/cloud-hypervisor/linux.git -b ch-5.12 linux-cloud-hypervisor
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$ git clone --depth 1 https://github.com/cloud-hypervisor/linux.git -b ch-5.13-rc5 linux-cloud-hypervisor
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$ pushd linux-cloud-hypervisor
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# Use the cloud-hypervisor kernel config to build your kernel
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@ -1,11 +1,13 @@
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#
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# Automatically generated file; DO NOT EDIT.
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# Linux/x86 5.12.0 Kernel Configuration
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# Linux/x86 5.13.0-rc5 Kernel Configuration
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#
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CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.1 20201125 (Red Hat 10.2.1-9)"
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CONFIG_CC_VERSION_TEXT="gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0"
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CONFIG_CC_IS_GCC=y
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CONFIG_GCC_VERSION=100201
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CONFIG_GCC_VERSION=100200
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CONFIG_CLANG_VERSION=0
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CONFIG_AS_IS_GNU=y
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CONFIG_AS_VERSION=23500
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CONFIG_LD_IS_BFD=y
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CONFIG_LD_VERSION=23500
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CONFIG_LLD_VERSION=0
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@ -97,6 +99,18 @@ CONFIG_NO_HZ=y
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CONFIG_HIGH_RES_TIMERS=y
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# end of Timers subsystem
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CONFIG_BPF=y
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CONFIG_HAVE_EBPF_JIT=y
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CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y
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#
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# BPF subsystem
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#
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CONFIG_BPF_SYSCALL=y
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# CONFIG_BPF_UNPRIV_DEFAULT_OFF is not set
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# CONFIG_BPF_PRELOAD is not set
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# end of BPF subsystem
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CONFIG_PREEMPT_NONE=y
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# CONFIG_PREEMPT_VOLUNTARY is not set
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# CONFIG_PREEMPT is not set
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@ -173,6 +187,7 @@ CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_CGROUP_PERF=y
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CONFIG_CGROUP_BPF=y
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# CONFIG_CGROUP_MISC is not set
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# CONFIG_CGROUP_DEBUG is not set
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CONFIG_SOCK_CGROUP_DATA=y
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CONFIG_NAMESPACES=y
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@ -202,7 +217,6 @@ CONFIG_LD_ORPHAN_WARN=y
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CONFIG_SYSCTL=y
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CONFIG_SYSCTL_EXCEPTION_TRACE=y
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CONFIG_HAVE_PCSPKR_PLATFORM=y
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CONFIG_BPF=y
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CONFIG_EXPERT=y
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CONFIG_MULTIUSER=y
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CONFIG_SGETMASK_SYSCALL=y
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@ -226,14 +240,12 @@ CONFIG_AIO=y
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CONFIG_IO_URING=y
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CONFIG_ADVISE_SYSCALLS=y
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CONFIG_HAVE_ARCH_USERFAULTFD_WP=y
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CONFIG_HAVE_ARCH_USERFAULTFD_MINOR=y
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CONFIG_MEMBARRIER=y
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CONFIG_KALLSYMS=y
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# CONFIG_KALLSYMS_ALL is not set
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CONFIG_KALLSYMS_ABSOLUTE_PERCPU=y
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CONFIG_KALLSYMS_BASE_RELATIVE=y
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CONFIG_BPF_SYSCALL=y
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CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y
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# CONFIG_BPF_PRELOAD is not set
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CONFIG_USERFAULTFD=y
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CONFIG_ARCH_HAS_MEMBARRIER_SYNC_CORE=y
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# CONFIG_KCMP is not set
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@ -280,7 +292,6 @@ CONFIG_GENERIC_BUG=y
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CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
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CONFIG_GENERIC_CALIBRATE_DELAY=y
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CONFIG_ARCH_HAS_CPU_RELAX=y
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CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
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CONFIG_ARCH_HAS_FILTER_PGPROT=y
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CONFIG_HAVE_SETUP_PER_CPU_AREA=y
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CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
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@ -447,12 +458,8 @@ CONFIG_HAVE_LIVEPATCH=y
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# end of Processor type and features
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CONFIG_ARCH_HAS_ADD_PAGES=y
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CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
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CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
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CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE=y
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CONFIG_USE_PERCPU_NUMA_NODE_ID=y
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CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
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CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION=y
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CONFIG_ARCH_ENABLE_THP_MIGRATION=y
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#
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# Power management and ACPI options
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@ -520,6 +527,7 @@ CONFIG_HAVE_ACPI_APEI_NMI=y
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# CONFIG_ACPI_DPTF is not set
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# CONFIG_ACPI_CONFIGFS is not set
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# CONFIG_PMIC_OPREGION is not set
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CONFIG_ACPI_VIOT=y
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CONFIG_X86_PM_TIMER=y
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#
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@ -734,6 +742,8 @@ CONFIG_HAVE_RELIABLE_STACKTRACE=y
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# CONFIG_COMPAT_32BIT_TIME is not set
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CONFIG_HAVE_ARCH_VMAP_STACK=y
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CONFIG_VMAP_STACK=y
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CONFIG_HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET=y
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# CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT is not set
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CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
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CONFIG_STRICT_KERNEL_RWX=y
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CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
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@ -857,19 +867,24 @@ CONFIG_HAVE_FAST_GUP=y
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CONFIG_NUMA_KEEP_MEMINFO=y
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CONFIG_MEMORY_ISOLATION=y
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CONFIG_HAVE_BOOTMEM_INFO_NODE=y
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CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
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CONFIG_MEMORY_HOTPLUG=y
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CONFIG_MEMORY_HOTPLUG_SPARSE=y
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CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
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CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
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CONFIG_MEMORY_HOTREMOVE=y
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CONFIG_MHP_MEMMAP_ON_MEMORY=y
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CONFIG_SPLIT_PTLOCK_CPUS=4
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CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
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CONFIG_MEMORY_BALLOON=y
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CONFIG_BALLOON_COMPACTION=y
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CONFIG_COMPACTION=y
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CONFIG_PAGE_REPORTING=y
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CONFIG_MIGRATION=y
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CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION=y
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CONFIG_ARCH_ENABLE_THP_MIGRATION=y
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CONFIG_CONTIG_ALLOC=y
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CONFIG_PHYS_ADDR_T_64BIT=y
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CONFIG_BOUNCE=y
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CONFIG_VIRT_TO_BUS=y
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CONFIG_MMU_NOTIFIER=y
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CONFIG_KSM=y
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@ -903,6 +918,7 @@ CONFIG_ZSMALLOC_STAT=y
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CONFIG_GENERIC_EARLY_IOREMAP=y
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# CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
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# CONFIG_IDLE_PAGE_TRACKING is not set
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CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
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CONFIG_ARCH_HAS_PTE_DEVMAP=y
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CONFIG_ZONE_DEVICE=y
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CONFIG_DEV_PAGEMAP_OPS=y
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@ -974,7 +990,6 @@ CONFIG_NET_PTP_CLASSIFY=y
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# CONFIG_ATM is not set
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# CONFIG_L2TP is not set
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# CONFIG_BRIDGE is not set
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CONFIG_HAVE_NET_DSA=y
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# CONFIG_NET_DSA is not set
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# CONFIG_VLAN_8021Q is not set
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# CONFIG_DECNET is not set
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@ -1002,6 +1017,7 @@ CONFIG_VIRTIO_VSOCKETS_COMMON=y
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# CONFIG_NET_L3_MASTER_DEV is not set
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# CONFIG_QRTR is not set
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# CONFIG_NET_NCSI is not set
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CONFIG_PCPU_DEV_REFCNT=y
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CONFIG_RPS=y
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CONFIG_RFS_ACCEL=y
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CONFIG_SOCK_RX_QUEUE_MAPPING=y
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@ -1039,7 +1055,6 @@ CONFIG_GRO_CELLS=y
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CONFIG_NET_SOCK_MSG=y
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CONFIG_FAILOVER=y
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# CONFIG_ETHTOOL_NETLINK is not set
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CONFIG_HAVE_EBPF_JIT=y
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#
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# Device Drivers
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@ -1182,7 +1197,6 @@ CONFIG_ZRAM_DEF_COMP_LZORLE=y
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CONFIG_ZRAM_DEF_COMP="lzo-rle"
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# CONFIG_ZRAM_WRITEBACK is not set
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# CONFIG_ZRAM_MEMORY_TRACKING is not set
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# CONFIG_BLK_DEV_UMEM is not set
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CONFIG_BLK_DEV_LOOP=y
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CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
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CONFIG_BLK_DEV_CRYPTOLOOP=y
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@ -1203,6 +1217,7 @@ CONFIG_VIRTIO_BLK=y
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#
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# CONFIG_BLK_DEV_NVME is not set
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# CONFIG_NVME_FC is not set
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# CONFIG_NVME_TCP is not set
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# CONFIG_NVME_TARGET is not set
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# end of NVME Support
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@ -1216,9 +1231,9 @@ CONFIG_VIRTIO_BLK=y
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# CONFIG_ENCLOSURE_SERVICES is not set
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# CONFIG_HP_ILO is not set
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# CONFIG_SRAM is not set
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# CONFIG_DW_XDATA_PCIE is not set
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# CONFIG_PCI_ENDPOINT_TEST is not set
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# CONFIG_XILINX_SDFEC is not set
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# CONFIG_PVPANIC is not set
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# CONFIG_C2PORT is not set
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#
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@ -1248,6 +1263,7 @@ CONFIG_VIRTIO_BLK=y
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# CONFIG_MISC_RTSX_PCI is not set
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# CONFIG_HABANA_AI is not set
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# CONFIG_UACCE is not set
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# CONFIG_PVPANIC is not set
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# end of Misc devices
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CONFIG_HAVE_IDE=y
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@ -1295,13 +1311,6 @@ CONFIG_VETH=y
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CONFIG_VIRTIO_NET=y
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# CONFIG_NLMON is not set
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# CONFIG_ARCNET is not set
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#
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# Distributed Switch Architecture drivers
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#
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# CONFIG_NET_DSA_MV88E6XXX_PTP is not set
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# end of Distributed Switch Architecture drivers
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# CONFIG_ETHERNET is not set
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# CONFIG_FDDI is not set
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# CONFIG_HIPPI is not set
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@ -1322,6 +1331,7 @@ CONFIG_VIRTIO_NET=y
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#
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# CONFIG_WLAN is not set
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# CONFIG_WAN is not set
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# CONFIG_WWAN is not set
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# CONFIG_VMXNET3 is not set
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# CONFIG_FUJITSU_ES is not set
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# CONFIG_NETDEVSIM is not set
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@ -1444,7 +1454,6 @@ CONFIG_SERIAL_ARC_NR_PORTS=1
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# CONFIG_N_GSM is not set
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# CONFIG_NOZOMI is not set
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# CONFIG_NULL_TTY is not set
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# CONFIG_TRACE_SINK is not set
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CONFIG_HVC_DRIVER=y
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CONFIG_SERIAL_DEV_BUS=y
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CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
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@ -1462,7 +1471,6 @@ CONFIG_HW_RANDOM_VIRTIO=y
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# CONFIG_APPLICOM is not set
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# CONFIG_MWAVE is not set
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CONFIG_DEVMEM=y
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# CONFIG_DEVKMEM is not set
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CONFIG_NVRAM=y
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CONFIG_RAW_DRIVER=y
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CONFIG_MAX_RAW_DEVS=256
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@ -1549,6 +1557,7 @@ CONFIG_X86_THERMAL_VECTOR=y
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# end of ACPI INT340X thermal drivers
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# CONFIG_INTEL_PCH_THERMAL is not set
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# CONFIG_INTEL_TCC_COOLING is not set
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# end of Intel thermal drivers
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CONFIG_WATCHDOG=y
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@ -1634,7 +1643,6 @@ CONFIG_BCMA_POSSIBLE=y
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# CONFIG_MFD_MT6397 is not set
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# CONFIG_MFD_RDC321X is not set
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# CONFIG_MFD_SM501 is not set
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# CONFIG_ABX500_CORE is not set
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# CONFIG_MFD_SYSCON is not set
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# CONFIG_MFD_TI_AM335X_TSCADC is not set
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# CONFIG_MFD_TQMX86 is not set
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@ -1806,6 +1814,7 @@ CONFIG_HID_REDRAGON=y
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# CONFIG_HID_PRIMAX is not set
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# CONFIG_HID_SAITEK is not set
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# CONFIG_HID_SAMSUNG is not set
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# CONFIG_HID_SEMITEK is not set
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# CONFIG_HID_SPEEDLINK is not set
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# CONFIG_HID_STEAM is not set
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# CONFIG_HID_STEELSERIES is not set
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@ -1815,7 +1824,6 @@ CONFIG_HID_REDRAGON=y
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# CONFIG_HID_SMARTJOYPLUS is not set
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# CONFIG_HID_TIVO is not set
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# CONFIG_HID_TOPSEED is not set
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# CONFIG_HID_THRUSTMASTER is not set
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# CONFIG_HID_UDRAW_PS3 is not set
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# CONFIG_HID_XINMO is not set
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# CONFIG_HID_ZEROPLUS is not set
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@ -1915,6 +1923,7 @@ CONFIG_VFIO_PCI_INTX=y
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CONFIG_IRQ_BYPASS_MANAGER=y
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# CONFIG_VIRT_DRIVERS is not set
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CONFIG_VIRTIO=y
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CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS=y
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CONFIG_VIRTIO_PCI_LIB=y
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CONFIG_VIRTIO_MENU=y
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CONFIG_VIRTIO_PCI=y
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@ -1935,6 +1944,7 @@ CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
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# end of Microsoft Hyper-V guest support
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# CONFIG_GREYBUS is not set
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# CONFIG_COMEDI is not set
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# CONFIG_STAGING is not set
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# CONFIG_X86_PLATFORM_DEVICES is not set
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CONFIG_PMC_ATOM=y
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@ -1975,9 +1985,6 @@ CONFIG_IOMMU_DMA=y
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# CONFIG_INTEL_IOMMU is not set
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# CONFIG_IRQ_REMAP is not set
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CONFIG_VIRTIO_IOMMU=y
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CONFIG_VIRTIO_IOMMU_TOPOLOGY_HELPERS=y
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CONFIG_VIRTIO_IOMMU_TOPOLOGY=y
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CONFIG_ACPI_VIOT=y
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#
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# Remoteproc drivers
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@ -2165,6 +2172,8 @@ CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW=y
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#
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# Caches
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#
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CONFIG_NETFS_SUPPORT=y
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# CONFIG_NETFS_STATS is not set
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CONFIG_FSCACHE=y
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# CONFIG_FSCACHE_STATS is not set
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# CONFIG_FSCACHE_HISTOGRAM is not set
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@ -2350,6 +2359,7 @@ CONFIG_CRYPTO_SIMD=y
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# CONFIG_CRYPTO_RSA is not set
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# CONFIG_CRYPTO_DH is not set
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# CONFIG_CRYPTO_ECDH is not set
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# CONFIG_CRYPTO_ECDSA is not set
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# CONFIG_CRYPTO_ECRDSA is not set
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# CONFIG_CRYPTO_SM2 is not set
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# CONFIG_CRYPTO_CURVE25519 is not set
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@ -2507,6 +2517,8 @@ CONFIG_SYSTEM_BLACKLIST_KEYRING=y
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CONFIG_SYSTEM_BLACKLIST_HASH_LIST=""
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# end of Certificates for signature checking
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|
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CONFIG_BINARY_PRINTF=y
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|
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#
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# Library routines
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#
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@ -2633,6 +2645,7 @@ CONFIG_SECTION_MISMATCH_WARN_ONLY=y
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# CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B is not set
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CONFIG_FRAME_POINTER=y
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CONFIG_STACK_VALIDATION=y
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# CONFIG_VMLINUX_MAP is not set
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# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
|
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# end of Compile-time checks and compiler options
|
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|
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@ -2833,6 +2846,7 @@ CONFIG_RUNTIME_TESTING_MENU=y
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# CONFIG_TEST_LIST_SORT is not set
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# CONFIG_TEST_MIN_HEAP is not set
|
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# CONFIG_TEST_SORT is not set
|
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# CONFIG_TEST_DIV64 is not set
|
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# CONFIG_BACKTRACE_SELF_TEST is not set
|
||||
# CONFIG_RBTREE_TEST is not set
|
||||
# CONFIG_REED_SOLOMON_TEST is not set
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||||
@ -2859,6 +2873,7 @@ CONFIG_RUNTIME_TESTING_MENU=y
|
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# CONFIG_TEST_MEMINIT is not set
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# CONFIG_TEST_FREE_PAGES is not set
|
||||
# CONFIG_TEST_FPU is not set
|
||||
CONFIG_ARCH_USE_MEMTEST=y
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# CONFIG_MEMTEST is not set
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||||
# end of Kernel Testing and Coverage
|
||||
# end of Kernel hacking
|
||||
|
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@ -102,7 +102,7 @@ LINUX_CUSTOM_DIR="$WORKLOADS_DIR/linux-custom"
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if [ ! -f "$VMLINUX_IMAGE" ]; then
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SRCDIR=$PWD
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pushd $WORKLOADS_DIR
|
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time git clone --depth 1 "https://github.com/cloud-hypervisor/linux.git" -b "ch-5.12" $LINUX_CUSTOM_DIR
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time git clone --depth 1 "https://github.com/cloud-hypervisor/linux.git" -b "ch-5.13-rc5" $LINUX_CUSTOM_DIR
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cp $SRCDIR/resources/linux-config-x86_64 $LINUX_CUSTOM_DIR/.config
|
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popd
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fi
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@ -62,7 +62,7 @@ const MSI_IOVA_END: u64 = 0xfeef_ffff;
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#[allow(unused)]
|
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const VIRTIO_IOMMU_F_INPUT_RANGE: u32 = 0;
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#[allow(unused)]
|
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const VIRTIO_IOMMU_F_DOMAIN_BITS: u32 = 1;
|
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const VIRTIO_IOMMU_F_DOMAIN_RANGE: u32 = 1;
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#[allow(unused)]
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const VIRTIO_IOMMU_F_MAP_UNMAP: u32 = 2;
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#[allow(unused)]
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||||
@ -71,7 +71,7 @@ const VIRTIO_IOMMU_F_PROBE: u32 = 4;
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#[allow(unused)]
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const VIRTIO_IOMMU_F_MMIO: u32 = 5;
|
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#[allow(unused)]
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const VIRTIO_IOMMU_F_TOPOLOGY: u32 = 6;
|
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const VIRTIO_IOMMU_F_BYPASS_CONFIG: u32 = 6;
|
||||
|
||||
// Support 2MiB and 4KiB page sizes.
|
||||
const VIRTIO_IOMMU_PAGE_SIZE_MASK: u64 = (2 << 20) | (4 << 10);
|
||||
@ -94,15 +94,6 @@ struct VirtioIommuRange64 {
|
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|
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unsafe impl ByteValued for VirtioIommuRange64 {}
|
||||
|
||||
#[derive(Copy, Clone, Debug, Default)]
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||||
#[repr(packed)]
|
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struct VirtioIommuTopoConfig {
|
||||
num_items: u16,
|
||||
offset: u16,
|
||||
}
|
||||
|
||||
unsafe impl ByteValued for VirtioIommuTopoConfig {}
|
||||
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
#[repr(packed)]
|
||||
struct VirtioIommuConfig {
|
||||
@ -110,43 +101,12 @@ struct VirtioIommuConfig {
|
||||
input_range: VirtioIommuRange64,
|
||||
domain_range: VirtioIommuRange32,
|
||||
probe_size: u32,
|
||||
topo_config: VirtioIommuTopoConfig,
|
||||
bypass: u8,
|
||||
reserved: [u8; 7],
|
||||
}
|
||||
|
||||
unsafe impl ByteValued for VirtioIommuConfig {}
|
||||
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_TOPO_PCI_RANGE: u8 = 1;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_TOPO_MMIO: u8 = 2;
|
||||
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
#[repr(packed)]
|
||||
struct VirtioIommuTopoPciRange {
|
||||
type_: u8,
|
||||
reserved: u8,
|
||||
length: u16,
|
||||
endpoint_start: u32,
|
||||
segment_start: u16,
|
||||
segment_end: u16,
|
||||
bdf_start: u16,
|
||||
bdf_end: u16,
|
||||
}
|
||||
|
||||
unsafe impl ByteValued for VirtioIommuTopoPciRange {}
|
||||
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
#[repr(packed)]
|
||||
struct VirtioIommuTopoMmio {
|
||||
type_: u8,
|
||||
reserved: u8,
|
||||
length: u16,
|
||||
endpoint: u32,
|
||||
address: u64,
|
||||
}
|
||||
|
||||
unsafe impl ByteValued for VirtioIommuTopoMmio {}
|
||||
|
||||
/// Virtio IOMMU request type
|
||||
const VIRTIO_IOMMU_T_ATTACH: u8 = 1;
|
||||
const VIRTIO_IOMMU_T_DETACH: u8 = 2;
|
||||
@ -179,6 +139,8 @@ const VIRTIO_IOMMU_S_RANGE: u8 = 5;
|
||||
const VIRTIO_IOMMU_S_NOENT: u8 = 6;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_S_FAULT: u8 = 7;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_S_NOMEM: u8 = 8;
|
||||
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
#[repr(packed)]
|
||||
@ -217,9 +179,10 @@ const VIRTIO_IOMMU_MAP_F_READ: u32 = 1;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_MAP_F_WRITE: u32 = 1 << 1;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_MAP_F_EXEC: u32 = 1 << 2;
|
||||
const VIRTIO_IOMMU_MAP_F_MMIO: u32 = 1 << 2;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_MAP_F_MMIO: u32 = 1 << 3;
|
||||
const VIRTIO_IOMMU_MAP_F_MASK: u32 =
|
||||
VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE | VIRTIO_IOMMU_MAP_F_MMIO;
|
||||
|
||||
/// MAP request
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
@ -248,10 +211,10 @@ unsafe impl ByteValued for VirtioIommuReqUnmap {}
|
||||
|
||||
/// Virtio IOMMU request PROBE types
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_PROBE_T_MASK: u16 = 0xfff;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_PROBE_T_NONE: u16 = 0;
|
||||
const VIRTIO_IOMMU_PROBE_T_RESV_MEM: u16 = 1;
|
||||
#[allow(unused)]
|
||||
const VIRTIO_IOMMU_PROBE_T_MASK: u16 = 0xfff;
|
||||
|
||||
/// PROBE request
|
||||
#[derive(Copy, Clone, Debug, Default)]
|
||||
@ -315,7 +278,7 @@ struct VirtioIommuFault {
|
||||
reserved: [u8; 3],
|
||||
flags: u32,
|
||||
endpoint: u32,
|
||||
reserved1: u32,
|
||||
reserved2: [u8; 4],
|
||||
address: u64,
|
||||
}
|
||||
|
||||
@ -736,7 +699,6 @@ pub struct Iommu {
|
||||
common: VirtioCommon,
|
||||
id: String,
|
||||
config: VirtioIommuConfig,
|
||||
config_topo_pci_ranges: Vec<VirtioIommuTopoPciRange>,
|
||||
mapping: Arc<IommuMapping>,
|
||||
ext_mapping: BTreeMap<u32, Arc<dyn ExternalDmaMapping>>,
|
||||
seccomp_action: SeccompAction,
|
||||
@ -778,7 +740,6 @@ impl Iommu {
|
||||
..Default::default()
|
||||
},
|
||||
config,
|
||||
config_topo_pci_ranges: Vec::new(),
|
||||
mapping: mapping.clone(),
|
||||
ext_mapping: BTreeMap::new(),
|
||||
seccomp_action,
|
||||
@ -823,46 +784,6 @@ impl Iommu {
|
||||
.collect();
|
||||
}
|
||||
|
||||
// This function lets the caller specify a list of devices attached to the
|
||||
// virtual IOMMU. This list is translated into a virtio-iommu configuration
|
||||
// topology, so that it can be understood by the guest driver.
|
||||
//
|
||||
// The topology is overridden everytime this function is being invoked.
|
||||
//
|
||||
// This function is dedicated to PCI, which means it will exclusively
|
||||
// create VIRTIO_IOMMU_TOPO_PCI_RANGE entries.
|
||||
pub fn attach_pci_devices(&mut self, segment: u16, device_ids: Vec<u32>) {
|
||||
if device_ids.is_empty() {
|
||||
warn!("No device to attach to virtual IOMMU");
|
||||
return;
|
||||
}
|
||||
|
||||
// If there is at least one device attached to the virtual IOMMU, we
|
||||
// need the topology feature to be enabled.
|
||||
self.common.avail_features |= 1u64 << VIRTIO_IOMMU_F_TOPOLOGY;
|
||||
|
||||
// Update the topology.
|
||||
let mut topo_pci_ranges = Vec::new();
|
||||
for device_id in device_ids.iter() {
|
||||
let dev_id = *device_id;
|
||||
topo_pci_ranges.push(VirtioIommuTopoPciRange {
|
||||
type_: VIRTIO_IOMMU_TOPO_PCI_RANGE,
|
||||
length: size_of::<VirtioIommuTopoPciRange>() as u16,
|
||||
endpoint_start: dev_id,
|
||||
segment_start: segment,
|
||||
segment_end: segment,
|
||||
bdf_start: dev_id as u16,
|
||||
bdf_end: dev_id as u16,
|
||||
..Default::default()
|
||||
});
|
||||
}
|
||||
self.config_topo_pci_ranges = topo_pci_ranges;
|
||||
|
||||
// Update the configuration to include the topology.
|
||||
self.config.topo_config.num_items = self.config_topo_pci_ranges.len() as u16;
|
||||
self.config.topo_config.offset = size_of::<VirtioIommuConfig>() as u16;
|
||||
}
|
||||
|
||||
pub fn add_external_mapping(&mut self, device_id: u32, mapping: Arc<dyn ExternalDmaMapping>) {
|
||||
self.ext_mapping.insert(device_id, mapping);
|
||||
}
|
||||
@ -895,13 +816,7 @@ impl VirtioDevice for Iommu {
|
||||
}
|
||||
|
||||
fn read_config(&self, offset: u64, data: &mut [u8]) {
|
||||
let mut config: Vec<u8> = Vec::new();
|
||||
config.extend_from_slice(self.config.as_slice());
|
||||
for config_topo_pci_range in self.config_topo_pci_ranges.iter() {
|
||||
config.extend_from_slice(config_topo_pci_range.as_slice());
|
||||
}
|
||||
|
||||
self.read_config_from_slice(config.as_slice(), offset, data);
|
||||
self.read_config_from_slice(self.config.as_slice(), offset, data);
|
||||
}
|
||||
|
||||
fn activate(
|
||||
|
||||
@ -109,6 +109,32 @@ impl MemoryAffinity {
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(packed)]
|
||||
#[derive(Default)]
|
||||
struct ViotVirtioPciNode {
|
||||
pub type_: u8,
|
||||
_reserved: u8,
|
||||
pub length: u16,
|
||||
pub pci_segment: u16,
|
||||
pub pci_bdf_number: u16,
|
||||
_reserved2: [u8; 8],
|
||||
}
|
||||
|
||||
#[repr(packed)]
|
||||
#[derive(Default)]
|
||||
struct ViotPciRangeNode {
|
||||
pub type_: u8,
|
||||
_reserved: u8,
|
||||
pub length: u16,
|
||||
pub endpoint_start: u32,
|
||||
pub pci_segment_start: u16,
|
||||
pub pci_segment_end: u16,
|
||||
pub pci_bdf_start: u16,
|
||||
pub pci_bdf_end: u16,
|
||||
pub output_node: u16,
|
||||
_reserved2: [u8; 6],
|
||||
}
|
||||
|
||||
pub fn create_dsdt_table(
|
||||
device_manager: &Arc<Mutex<DeviceManager>>,
|
||||
cpu_manager: &Arc<Mutex<CpuManager>>,
|
||||
@ -360,6 +386,42 @@ fn create_iort_table() -> Sdt {
|
||||
iort
|
||||
}
|
||||
|
||||
fn create_viot_table(iommu_bdf: u32, devices_bdf: &[u32]) -> Sdt {
|
||||
// VIOT
|
||||
let mut viot = Sdt::new(*b"VIOT", 36, 0, *b"CLOUDH", *b"CHVIOT ", 0);
|
||||
// Node count
|
||||
viot.append((devices_bdf.len() + 1) as u16);
|
||||
// Node offset
|
||||
viot.append(48u16);
|
||||
// VIOT reserved 8 bytes
|
||||
viot.append_slice(&[0u8; 8]);
|
||||
|
||||
// Virtio-iommu based on virtio-pci node
|
||||
viot.append(ViotVirtioPciNode {
|
||||
type_: 3,
|
||||
length: 16,
|
||||
pci_segment: 0,
|
||||
pci_bdf_number: iommu_bdf as u16,
|
||||
..Default::default()
|
||||
});
|
||||
|
||||
for device_bdf in devices_bdf {
|
||||
viot.append(ViotPciRangeNode {
|
||||
type_: 1,
|
||||
length: 24,
|
||||
endpoint_start: *device_bdf,
|
||||
pci_segment_start: 0,
|
||||
pci_segment_end: 0,
|
||||
pci_bdf_start: *device_bdf as u16,
|
||||
pci_bdf_end: *device_bdf as u16,
|
||||
output_node: 48,
|
||||
..Default::default()
|
||||
});
|
||||
}
|
||||
|
||||
viot
|
||||
}
|
||||
|
||||
pub fn create_acpi_tables(
|
||||
guest_mem: &GuestMemoryMmap,
|
||||
device_manager: &Arc<Mutex<DeviceManager>>,
|
||||
@ -489,6 +551,20 @@ pub fn create_acpi_tables(
|
||||
prev_tbl_off = iort_offset;
|
||||
}
|
||||
|
||||
// VIOT
|
||||
if let Some((iommu_bdf, devices_bdf)) = device_manager.lock().unwrap().iommu_attached_devices()
|
||||
{
|
||||
let viot = create_viot_table(*iommu_bdf, devices_bdf);
|
||||
|
||||
let viot_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap();
|
||||
guest_mem
|
||||
.write_slice(viot.as_slice(), viot_offset)
|
||||
.expect("Error writing VIOT table");
|
||||
tables.push(viot_offset.0);
|
||||
prev_tbl_len = viot.len() as u64;
|
||||
prev_tbl_off = viot_offset;
|
||||
}
|
||||
|
||||
// XSDT
|
||||
let mut xsdt = Sdt::new(*b"XSDT", 36, 1, *b"CLOUDH", *b"CHXSDT ", 1);
|
||||
for table in tables {
|
||||
|
||||
@ -869,6 +869,12 @@ pub struct DeviceManager {
|
||||
// Paravirtualized IOMMU
|
||||
iommu_device: Option<Arc<Mutex<virtio_devices::Iommu>>>,
|
||||
|
||||
// PCI information about devices attached to the paravirtualized IOMMU
|
||||
// It contains the virtual IOMMU PCI BDF along with the list of PCI BDF
|
||||
// representing the devices attached to the virtual IOMMU. This is useful
|
||||
// information for filling the ACPI VIOT table.
|
||||
iommu_attached_devices: Option<(u32, Vec<u32>)>,
|
||||
|
||||
// Bitmap of PCI devices to hotplug.
|
||||
pci_devices_up: u32,
|
||||
|
||||
@ -975,6 +981,7 @@ impl DeviceManager {
|
||||
legacy_interrupt_manager: None,
|
||||
passthrough_device: None,
|
||||
iommu_device: None,
|
||||
iommu_attached_devices: None,
|
||||
pci_devices_up: 0,
|
||||
pci_devices_down: 0,
|
||||
pci_irq_slots: [0; 32],
|
||||
@ -1196,15 +1203,8 @@ impl DeviceManager {
|
||||
iommu_attached_devices.append(&mut vfio_iommu_device_ids);
|
||||
|
||||
if let Some(iommu_device) = iommu_device {
|
||||
iommu_device
|
||||
.lock()
|
||||
.unwrap()
|
||||
.attach_pci_devices(0, iommu_attached_devices);
|
||||
|
||||
// Because we determined the virtio-iommu b/d/f, we have to
|
||||
// add the device to the PCI topology now. Otherwise, the
|
||||
// b/d/f won't match the virtio-iommu device as expected.
|
||||
self.add_virtio_pci_device(iommu_device, &mut pci_bus, &None, iommu_id)?;
|
||||
let dev_id = self.add_virtio_pci_device(iommu_device, &mut pci_bus, &None, iommu_id)?;
|
||||
self.iommu_attached_devices = Some((dev_id, iommu_attached_devices));
|
||||
}
|
||||
|
||||
let pci_bus = Arc::new(Mutex::new(pci_bus));
|
||||
@ -3486,6 +3486,10 @@ impl DeviceManager {
|
||||
.trigger_key(3)
|
||||
.map_err(DeviceManagerError::AArch64PowerButtonNotification)
|
||||
}
|
||||
|
||||
pub fn iommu_attached_devices(&self) -> &Option<(u32, Vec<u32>)> {
|
||||
&self.iommu_attached_devices
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "acpi")]
|
||||
|
||||
Loading…
Reference in New Issue
Block a user