forked from Minki/linux
x86/hyperv: Split hyperv-tlfs.h into arch dependent and independent files
In preparation for adding ARM64 support, split hyperv-tlfs.h into architecture dependent and architecture independent files, similar to what has been done with mshyperv.h. Move architecture independent definitions into include/asm-generic/hyperv-tlfs.h. The split will avoid duplicating significant lines of code in the ARM64 version of hyperv-tlfs.h. The split has no functional impact. Some of the common definitions have "X64" in the symbol name. Change these to remove the "X64" in the architecture independent version of hyperv-tlfs.h, but add aliases with the "X64" in the x86 version so that x86 code will continue to compile. A later patch set will change all the references and allow removal of the aliases. Signed-off-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20200422195737.10223-4-mikelley@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Michael Kelley
Wei Liu
parent
a8a42d0284
commit
c55a844f46
@ -7883,6 +7883,7 @@ F: drivers/pci/controller/pci-hyperv.c
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F: drivers/scsi/storvsc_drv.c
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F: drivers/uio/uio_hv_generic.c
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F: drivers/video/fbdev/hyperv_fb.c
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F: include/asm-generic/hyperv-tlfs.h
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F: include/asm-generic/mshyperv.h
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F: include/clocksource/hyperv_timer.h
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F: include/linux/hyperv.h
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@ -11,17 +11,6 @@
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#include <linux/types.h>
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#include <asm/page.h>
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/*
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* While not explicitly listed in the TLFS, Hyper-V always runs with a page size
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* of 4096. These definitions are used when communicating with Hyper-V using
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* guest physical pages and guest physical page addresses, since the guest page
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* size may not be 4096 on all architectures.
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*/
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#define HV_HYP_PAGE_SHIFT 12
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#define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT)
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#define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1))
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/*
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* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
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* is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
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@ -39,78 +28,41 @@
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#define HYPERV_CPUID_MAX 0x4000ffff
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/*
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* Feature identification. EAX indicates which features are available
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* to the partition based upon the current partition privileges.
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* These are HYPERV_CPUID_FEATURES.EAX bits.
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* Aliases for Group A features that have X64 in the name.
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* On x86/x64 these are HYPERV_CPUID_FEATURES.EAX bits.
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*/
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/* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
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#define HV_X64_MSR_VP_RUNTIME_AVAILABLE BIT(0)
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/* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
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#define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1)
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/*
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* Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
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* and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
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*/
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#define HV_X64_MSR_SYNIC_AVAILABLE BIT(2)
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/*
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* Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
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* HV_X64_MSR_STIMER3_COUNT) available
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*/
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#define HV_MSR_SYNTIMER_AVAILABLE BIT(3)
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/*
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* APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
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* are available
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*/
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#define HV_X64_MSR_APIC_ACCESS_AVAILABLE BIT(4)
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/* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
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#define HV_X64_MSR_HYPERCALL_AVAILABLE BIT(5)
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/* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
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#define HV_X64_MSR_VP_INDEX_AVAILABLE BIT(6)
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/* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
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#define HV_X64_MSR_RESET_AVAILABLE BIT(7)
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/*
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* Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
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* HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
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* HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
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*/
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#define HV_X64_MSR_STAT_PAGES_AVAILABLE BIT(8)
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/* Partition reference TSC MSR is available */
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#define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9)
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/* Partition Guest IDLE MSR is available */
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#define HV_X64_MSR_GUEST_IDLE_AVAILABLE BIT(10)
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/*
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* There is a single feature flag that signifies if the partition has access
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* to MSRs with local APIC and TSC frequencies.
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*/
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#define HV_X64_ACCESS_FREQUENCY_MSRS BIT(11)
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/* AccessReenlightenmentControls privilege */
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#define HV_X64_ACCESS_REENLIGHTENMENT BIT(13)
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/* AccessTscInvariantControls privilege */
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#define HV_X64_ACCESS_TSC_INVARIANT BIT(15)
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#define HV_X64_MSR_VP_RUNTIME_AVAILABLE \
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HV_MSR_VP_RUNTIME_AVAILABLE
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#define HV_X64_MSR_SYNIC_AVAILABLE \
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HV_MSR_SYNIC_AVAILABLE
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#define HV_X64_MSR_APIC_ACCESS_AVAILABLE \
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HV_MSR_APIC_ACCESS_AVAILABLE
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#define HV_X64_MSR_HYPERCALL_AVAILABLE \
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HV_MSR_HYPERCALL_AVAILABLE
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#define HV_X64_MSR_VP_INDEX_AVAILABLE \
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HV_MSR_VP_INDEX_AVAILABLE
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#define HV_X64_MSR_RESET_AVAILABLE \
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HV_MSR_RESET_AVAILABLE
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#define HV_X64_MSR_GUEST_IDLE_AVAILABLE \
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HV_MSR_GUEST_IDLE_AVAILABLE
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#define HV_X64_ACCESS_FREQUENCY_MSRS \
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HV_ACCESS_FREQUENCY_MSRS
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#define HV_X64_ACCESS_REENLIGHTENMENT \
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HV_ACCESS_REENLIGHTENMENT
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#define HV_X64_ACCESS_TSC_INVARIANT \
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HV_ACCESS_TSC_INVARIANT
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/*
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* Feature identification: indicates which flags were specified at partition
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* creation. The format is the same as the partition creation flag structure
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* defined in section Partition Creation Flags.
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* These are HYPERV_CPUID_FEATURES.EBX bits.
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* Aliases for Group B features that have X64 in the name.
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* On x86/x64 these are HYPERV_CPUID_FEATURES.EBX bits.
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*/
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#define HV_X64_CREATE_PARTITIONS BIT(0)
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#define HV_X64_ACCESS_PARTITION_ID BIT(1)
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#define HV_X64_ACCESS_MEMORY_POOL BIT(2)
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#define HV_X64_ADJUST_MESSAGE_BUFFERS BIT(3)
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#define HV_X64_POST_MESSAGES BIT(4)
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#define HV_X64_SIGNAL_EVENTS BIT(5)
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#define HV_X64_CREATE_PORT BIT(6)
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#define HV_X64_CONNECT_PORT BIT(7)
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#define HV_X64_ACCESS_STATS BIT(8)
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#define HV_X64_DEBUGGING BIT(11)
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#define HV_X64_CPU_POWER_MANAGEMENT BIT(12)
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#define HV_X64_POST_MESSAGES HV_POST_MESSAGES
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#define HV_X64_SIGNAL_EVENTS HV_SIGNAL_EVENTS
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/*
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* Feature identification. EDX indicates which miscellaneous features
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* are available to the partition.
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* These are HYPERV_CPUID_FEATURES.EDX bits.
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* Group D Features. The bit assignments are custom to each architecture.
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* On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits.
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*/
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/* The MWAIT instruction is available (per section MONITOR / MWAIT) */
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#define HV_X64_MWAIT_AVAILABLE BIT(0)
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@ -187,7 +139,7 @@
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* processor, except for virtual processors that are reported as sibling SMT
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* threads.
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*/
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#define HV_X64_NO_NONARCH_CORESHARING BIT(18)
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#define HV_X64_NO_NONARCH_CORESHARING BIT(18)
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/* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */
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#define HV_X64_NESTED_DIRECT_FLUSH BIT(17)
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@ -295,42 +247,6 @@ union hv_x64_msr_hypercall_contents {
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} __packed;
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};
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/*
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* TSC page layout.
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*/
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struct ms_hyperv_tsc_page {
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volatile u32 tsc_sequence;
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u32 reserved1;
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volatile u64 tsc_scale;
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volatile s64 tsc_offset;
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} __packed;
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/*
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* The guest OS needs to register the guest ID with the hypervisor.
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* The guest ID is a 64 bit entity and the structure of this ID is
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* specified in the Hyper-V specification:
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*
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* msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
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*
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* While the current guideline does not specify how Linux guest ID(s)
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* need to be generated, our plan is to publish the guidelines for
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* Linux and other guest operating systems that currently are hosted
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* on Hyper-V. The implementation here conforms to this yet
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* unpublished guidelines.
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*
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*
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* Bit(s)
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* 63 - Indicates if the OS is Open Source or not; 1 is Open Source
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* 62:56 - Os Type; Linux is 0x100
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* 55:48 - Distro specific identification
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* 47:16 - Linux kernel version number
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* 15:0 - Distro specific identification
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*
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*
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*/
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#define HV_LINUX_VENDOR_ID 0x8100
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struct hv_reenlightenment_control {
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__u64 vector:8;
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__u64 reserved1:8;
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@ -354,31 +270,12 @@ struct hv_tsc_emulation_status {
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#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \
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(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
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/*
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* Crash notification (HV_X64_MSR_CRASH_CTL) flags.
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*/
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#define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62)
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#define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63)
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#define HV_X64_MSR_CRASH_PARAMS \
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(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
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#define HV_IPI_LOW_VECTOR 0x10
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#define HV_IPI_HIGH_VECTOR 0xff
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/* Declare the various hypercall operations. */
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#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
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#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
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#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
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#define HVCALL_SEND_IPI 0x000b
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#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
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#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
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#define HVCALL_SEND_IPI_EX 0x0015
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#define HVCALL_POST_MESSAGE 0x005c
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#define HVCALL_SIGNAL_EVENT 0x005d
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#define HVCALL_RETARGET_INTERRUPT 0x007e
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#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
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#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0
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#define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001
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#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12
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#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \
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@ -390,63 +287,6 @@ struct hv_tsc_emulation_status {
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#define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001
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#define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12
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#define HV_FLUSH_ALL_PROCESSORS BIT(0)
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#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
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#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
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#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
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enum HV_GENERIC_SET_FORMAT {
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HV_GENERIC_SET_SPARSE_4K,
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HV_GENERIC_SET_ALL,
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};
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#define HV_PARTITION_ID_SELF ((u64)-1)
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#define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0)
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#define HV_HYPERCALL_FAST_BIT BIT(16)
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#define HV_HYPERCALL_VARHEAD_OFFSET 17
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#define HV_HYPERCALL_REP_COMP_OFFSET 32
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#define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32)
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#define HV_HYPERCALL_REP_START_OFFSET 48
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#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48)
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/* hypercall status code */
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#define HV_STATUS_SUCCESS 0
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#define HV_STATUS_INVALID_HYPERCALL_CODE 2
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#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
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#define HV_STATUS_INVALID_ALIGNMENT 4
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#define HV_STATUS_INVALID_PARAMETER 5
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#define HV_STATUS_INSUFFICIENT_MEMORY 11
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#define HV_STATUS_INVALID_PORT_ID 17
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#define HV_STATUS_INVALID_CONNECTION_ID 18
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#define HV_STATUS_INSUFFICIENT_BUFFERS 19
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/*
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* The Hyper-V TimeRefCount register and the TSC
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* page provide a guest VM clock with 100ns tick rate
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*/
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#define HV_CLOCK_HZ (NSEC_PER_SEC/100)
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/* Define the number of synthetic interrupt sources. */
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#define HV_SYNIC_SINT_COUNT (16)
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/* Define the expected SynIC version. */
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#define HV_SYNIC_VERSION_1 (0x1)
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/* Valid SynIC vectors are 16-255. */
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#define HV_SYNIC_FIRST_VALID_VECTOR (16)
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#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
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#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)
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#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0)
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#define HV_SYNIC_SINT_MASKED (1ULL << 16)
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#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17)
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#define HV_SYNIC_SINT_VECTOR_MASK (0xFF)
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#define HV_SYNIC_STIMER_COUNT (4)
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/* Define synthetic interrupt controller message constants. */
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#define HV_MESSAGE_SIZE (256)
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#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)
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#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)
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/* Define hypervisor message types. */
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enum hv_message_type {
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@ -457,76 +297,25 @@ enum hv_message_type {
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HVMSG_GPA_INTERCEPT = 0x80000001,
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/* Timer notification messages. */
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HVMSG_TIMER_EXPIRED = 0x80000010,
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HVMSG_TIMER_EXPIRED = 0x80000010,
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/* Error messages. */
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HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020,
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HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021,
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HVMSG_UNSUPPORTED_FEATURE = 0x80000022,
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HVMSG_UNSUPPORTED_FEATURE = 0x80000022,
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/* Trace buffer complete messages. */
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HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040,
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/* Platform-specific processor intercept messages. */
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HVMSG_X64_IOPORT_INTERCEPT = 0x80010000,
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HVMSG_X64_IOPORT_INTERCEPT = 0x80010000,
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HVMSG_X64_MSR_INTERCEPT = 0x80010001,
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HVMSG_X64_CPUID_INTERCEPT = 0x80010002,
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HVMSG_X64_CPUID_INTERCEPT = 0x80010002,
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HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003,
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HVMSG_X64_APIC_EOI = 0x80010004,
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HVMSG_X64_LEGACY_FP_ERROR = 0x80010005
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HVMSG_X64_APIC_EOI = 0x80010004,
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HVMSG_X64_LEGACY_FP_ERROR = 0x80010005
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};
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/* Define synthetic interrupt controller message flags. */
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union hv_message_flags {
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__u8 asu8;
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struct {
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__u8 msg_pending:1;
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__u8 reserved:7;
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} __packed;
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};
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/* Define port identifier type. */
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union hv_port_id {
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__u32 asu32;
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struct {
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__u32 id:24;
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__u32 reserved:8;
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} __packed u;
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};
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/* Define synthetic interrupt controller message header. */
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struct hv_message_header {
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__u32 message_type;
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__u8 payload_size;
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union hv_message_flags message_flags;
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__u8 reserved[2];
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union {
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__u64 sender;
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union hv_port_id port;
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};
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} __packed;
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/* Define synthetic interrupt controller message format. */
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struct hv_message {
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struct hv_message_header header;
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union {
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__u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
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} u;
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} __packed;
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/* Define the synthetic interrupt message page layout. */
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struct hv_message_page {
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struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
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} __packed;
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/* Define timer message payload structure. */
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struct hv_timer_message_payload {
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__u32 timer_index;
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__u32 reserved;
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__u64 expiration_time; /* When the timer expired */
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__u64 delivery_time; /* When the message was delivered */
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} __packed;
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struct hv_nested_enlightenments_control {
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struct {
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__u32 directhypercall:1;
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@ -754,187 +543,11 @@ struct hv_enlightened_vmcs {
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#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF
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/* Define synthetic interrupt controller flag constants. */
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#define HV_EVENT_FLAGS_COUNT (256 * 8)
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#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long))
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/*
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* Synthetic timer configuration.
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*/
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union hv_stimer_config {
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u64 as_uint64;
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struct {
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u64 enable:1;
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u64 periodic:1;
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u64 lazy:1;
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u64 auto_enable:1;
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u64 apic_vector:8;
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u64 direct_mode:1;
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u64 reserved_z0:3;
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u64 sintx:4;
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u64 reserved_z1:44;
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} __packed;
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};
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|
||||
/* Define the synthetic interrupt controller event flags format. */
|
||||
union hv_synic_event_flags {
|
||||
unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT];
|
||||
};
|
||||
|
||||
/* Define SynIC control register. */
|
||||
union hv_synic_scontrol {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 enable:1;
|
||||
u64 reserved:63;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define synthetic interrupt source. */
|
||||
union hv_synic_sint {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 vector:8;
|
||||
u64 reserved1:8;
|
||||
u64 masked:1;
|
||||
u64 auto_eoi:1;
|
||||
u64 polling:1;
|
||||
u64 reserved2:45;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define the format of the SIMP register */
|
||||
union hv_synic_simp {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 simp_enabled:1;
|
||||
u64 preserved:11;
|
||||
u64 base_simp_gpa:52;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define the format of the SIEFP register */
|
||||
union hv_synic_siefp {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 siefp_enabled:1;
|
||||
u64 preserved:11;
|
||||
u64 base_siefp_gpa:52;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
struct hv_vpset {
|
||||
u64 format;
|
||||
u64 valid_bank_mask;
|
||||
u64 bank_contents[];
|
||||
} __packed;
|
||||
|
||||
/* HvCallSendSyntheticClusterIpi hypercall */
|
||||
struct hv_send_ipi {
|
||||
u32 vector;
|
||||
u32 reserved;
|
||||
u64 cpu_mask;
|
||||
} __packed;
|
||||
|
||||
/* HvCallSendSyntheticClusterIpiEx hypercall */
|
||||
struct hv_send_ipi_ex {
|
||||
u32 vector;
|
||||
u32 reserved;
|
||||
struct hv_vpset vp_set;
|
||||
} __packed;
|
||||
|
||||
/* HvFlushGuestPhysicalAddressSpace hypercalls */
|
||||
struct hv_guest_mapping_flush {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
} __packed;
|
||||
|
||||
/*
|
||||
* HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited
|
||||
* by the bitwidth of "additional_pages" in union hv_gpa_page_range.
|
||||
*/
|
||||
#define HV_MAX_FLUSH_PAGES (2048)
|
||||
|
||||
/* HvFlushGuestPhysicalAddressList hypercall */
|
||||
union hv_gpa_page_range {
|
||||
u64 address_space;
|
||||
struct {
|
||||
u64 additional_pages:11;
|
||||
u64 largepage:1;
|
||||
u64 basepfn:52;
|
||||
} page;
|
||||
};
|
||||
|
||||
/*
|
||||
* All input flush parameters should be in single page. The max flush
|
||||
* count is equal with how many entries of union hv_gpa_page_range can
|
||||
* be populated into the input parameter page.
|
||||
*/
|
||||
#define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \
|
||||
sizeof(union hv_gpa_page_range))
|
||||
|
||||
struct hv_guest_mapping_flush_list {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT];
|
||||
};
|
||||
|
||||
/* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */
|
||||
struct hv_tlb_flush {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
u64 processor_mask;
|
||||
u64 gva_list[];
|
||||
} __packed;
|
||||
|
||||
/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */
|
||||
struct hv_tlb_flush_ex {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
struct hv_vpset hv_vp_set;
|
||||
u64 gva_list[];
|
||||
} __packed;
|
||||
|
||||
struct hv_partition_assist_pg {
|
||||
u32 tlb_lock_count;
|
||||
};
|
||||
|
||||
union hv_msi_entry {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u32 address;
|
||||
u32 data;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
struct hv_interrupt_entry {
|
||||
u32 source; /* 1 for MSI(-X) */
|
||||
u32 reserved1;
|
||||
union hv_msi_entry msi_entry;
|
||||
} __packed;
|
||||
#include <asm-generic/hyperv-tlfs.h>
|
||||
|
||||
/*
|
||||
* flags for hv_device_interrupt_target.flags
|
||||
*/
|
||||
#define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1
|
||||
#define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2
|
||||
|
||||
struct hv_device_interrupt_target {
|
||||
u32 vector;
|
||||
u32 flags;
|
||||
union {
|
||||
u64 vp_mask;
|
||||
struct hv_vpset vp_set;
|
||||
};
|
||||
} __packed;
|
||||
|
||||
/* HvRetargetDeviceInterrupt hypercall */
|
||||
struct hv_retarget_device_interrupt {
|
||||
u64 partition_id; /* use "self" */
|
||||
u64 device_id;
|
||||
struct hv_interrupt_entry int_entry;
|
||||
u64 reserved2;
|
||||
struct hv_device_interrupt_target int_target;
|
||||
} __packed __aligned(8);
|
||||
#endif
|
||||
|
||||
442
include/asm-generic/hyperv-tlfs.h
Normal file
442
include/asm-generic/hyperv-tlfs.h
Normal file
@ -0,0 +1,442 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
|
||||
/*
|
||||
* This file contains definitions from Hyper-V Hypervisor Top-Level Functional
|
||||
* Specification (TLFS):
|
||||
* https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs
|
||||
*/
|
||||
|
||||
#ifndef _ASM_GENERIC_HYPERV_TLFS_H
|
||||
#define _ASM_GENERIC_HYPERV_TLFS_H
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/bits.h>
|
||||
#include <linux/time64.h>
|
||||
|
||||
/*
|
||||
* While not explicitly listed in the TLFS, Hyper-V always runs with a page size
|
||||
* of 4096. These definitions are used when communicating with Hyper-V using
|
||||
* guest physical pages and guest physical page addresses, since the guest page
|
||||
* size may not be 4096 on all architectures.
|
||||
*/
|
||||
#define HV_HYP_PAGE_SHIFT 12
|
||||
#define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT)
|
||||
#define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1))
|
||||
|
||||
/*
|
||||
* Hyper-V provides two categories of flags relevant to guest VMs. The
|
||||
* "Features" category indicates specific functionality that is available
|
||||
* to guests on this particular instance of Hyper-V. The "Features"
|
||||
* are presented in four groups, each of which is 32 bits. The group A
|
||||
* and B definitions are common across architectures and are listed here.
|
||||
* However, not all flags are relevant on all architectures.
|
||||
*
|
||||
* Groups C and D vary across architectures and are listed in the
|
||||
* architecture specific portion of hyperv-tlfs.h. Some of these flags exist
|
||||
* on multiple architectures, but the bit positions are different so they
|
||||
* cannot appear in the generic portion of hyperv-tlfs.h.
|
||||
*
|
||||
* The "Enlightenments" category provides recommendations on whether to use
|
||||
* specific enlightenments that are available. The Enlighenments are a single
|
||||
* group of 32 bits, but they vary across architectures and are listed in
|
||||
* the architecture specific portion of hyperv-tlfs.h.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Group A Features.
|
||||
*/
|
||||
|
||||
/* VP Runtime register available */
|
||||
#define HV_MSR_VP_RUNTIME_AVAILABLE BIT(0)
|
||||
/* Partition Reference Counter available*/
|
||||
#define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1)
|
||||
/* Basic SynIC register available */
|
||||
#define HV_MSR_SYNIC_AVAILABLE BIT(2)
|
||||
/* Synthetic Timer registers available */
|
||||
#define HV_MSR_SYNTIMER_AVAILABLE BIT(3)
|
||||
/* Virtual APIC assist and VP assist page registers available */
|
||||
#define HV_MSR_APIC_ACCESS_AVAILABLE BIT(4)
|
||||
/* Hypercall and Guest OS ID registers available*/
|
||||
#define HV_MSR_HYPERCALL_AVAILABLE BIT(5)
|
||||
/* Access virtual processor index register available*/
|
||||
#define HV_MSR_VP_INDEX_AVAILABLE BIT(6)
|
||||
/* Virtual system reset register available*/
|
||||
#define HV_MSR_RESET_AVAILABLE BIT(7)
|
||||
/* Access statistics page registers available */
|
||||
#define HV_MSR_STAT_PAGES_AVAILABLE BIT(8)
|
||||
/* Partition reference TSC register is available */
|
||||
#define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9)
|
||||
/* Partition Guest IDLE register is available */
|
||||
#define HV_MSR_GUEST_IDLE_AVAILABLE BIT(10)
|
||||
/* Partition local APIC and TSC frequency registers available */
|
||||
#define HV_ACCESS_FREQUENCY_MSRS BIT(11)
|
||||
/* AccessReenlightenmentControls privilege */
|
||||
#define HV_ACCESS_REENLIGHTENMENT BIT(13)
|
||||
/* AccessTscInvariantControls privilege */
|
||||
#define HV_ACCESS_TSC_INVARIANT BIT(15)
|
||||
|
||||
/*
|
||||
* Group B features.
|
||||
*/
|
||||
#define HV_CREATE_PARTITIONS BIT(0)
|
||||
#define HV_ACCESS_PARTITION_ID BIT(1)
|
||||
#define HV_ACCESS_MEMORY_POOL BIT(2)
|
||||
#define HV_ADJUST_MESSAGE_BUFFERS BIT(3)
|
||||
#define HV_POST_MESSAGES BIT(4)
|
||||
#define HV_SIGNAL_EVENTS BIT(5)
|
||||
#define HV_CREATE_PORT BIT(6)
|
||||
#define HV_CONNECT_PORT BIT(7)
|
||||
#define HV_ACCESS_STATS BIT(8)
|
||||
#define HV_DEBUGGING BIT(11)
|
||||
#define HV_CPU_POWER_MANAGEMENT BIT(12)
|
||||
|
||||
|
||||
/*
|
||||
* TSC page layout.
|
||||
*/
|
||||
struct ms_hyperv_tsc_page {
|
||||
volatile u32 tsc_sequence;
|
||||
u32 reserved1;
|
||||
volatile u64 tsc_scale;
|
||||
volatile s64 tsc_offset;
|
||||
} __packed;
|
||||
|
||||
/*
|
||||
* The guest OS needs to register the guest ID with the hypervisor.
|
||||
* The guest ID is a 64 bit entity and the structure of this ID is
|
||||
* specified in the Hyper-V specification:
|
||||
*
|
||||
* msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
|
||||
*
|
||||
* While the current guideline does not specify how Linux guest ID(s)
|
||||
* need to be generated, our plan is to publish the guidelines for
|
||||
* Linux and other guest operating systems that currently are hosted
|
||||
* on Hyper-V. The implementation here conforms to this yet
|
||||
* unpublished guidelines.
|
||||
*
|
||||
*
|
||||
* Bit(s)
|
||||
* 63 - Indicates if the OS is Open Source or not; 1 is Open Source
|
||||
* 62:56 - Os Type; Linux is 0x100
|
||||
* 55:48 - Distro specific identification
|
||||
* 47:16 - Linux kernel version number
|
||||
* 15:0 - Distro specific identification
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#define HV_LINUX_VENDOR_ID 0x8100
|
||||
|
||||
/*
|
||||
* Crash notification flags.
|
||||
*/
|
||||
#define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62)
|
||||
#define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63)
|
||||
|
||||
/* Declare the various hypercall operations. */
|
||||
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
|
||||
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
|
||||
#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
|
||||
#define HVCALL_SEND_IPI 0x000b
|
||||
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
|
||||
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
|
||||
#define HVCALL_SEND_IPI_EX 0x0015
|
||||
#define HVCALL_POST_MESSAGE 0x005c
|
||||
#define HVCALL_SIGNAL_EVENT 0x005d
|
||||
#define HVCALL_RETARGET_INTERRUPT 0x007e
|
||||
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
|
||||
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0
|
||||
|
||||
#define HV_FLUSH_ALL_PROCESSORS BIT(0)
|
||||
#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
|
||||
#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
|
||||
#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
|
||||
|
||||
enum HV_GENERIC_SET_FORMAT {
|
||||
HV_GENERIC_SET_SPARSE_4K,
|
||||
HV_GENERIC_SET_ALL,
|
||||
};
|
||||
|
||||
#define HV_PARTITION_ID_SELF ((u64)-1)
|
||||
#define HV_VP_INDEX_SELF ((u32)-2)
|
||||
|
||||
#define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0)
|
||||
#define HV_HYPERCALL_FAST_BIT BIT(16)
|
||||
#define HV_HYPERCALL_VARHEAD_OFFSET 17
|
||||
#define HV_HYPERCALL_REP_COMP_OFFSET 32
|
||||
#define HV_HYPERCALL_REP_COMP_1 BIT_ULL(32)
|
||||
#define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32)
|
||||
#define HV_HYPERCALL_REP_START_OFFSET 48
|
||||
#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48)
|
||||
|
||||
/* hypercall status code */
|
||||
#define HV_STATUS_SUCCESS 0
|
||||
#define HV_STATUS_INVALID_HYPERCALL_CODE 2
|
||||
#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
|
||||
#define HV_STATUS_INVALID_ALIGNMENT 4
|
||||
#define HV_STATUS_INVALID_PARAMETER 5
|
||||
#define HV_STATUS_INSUFFICIENT_MEMORY 11
|
||||
#define HV_STATUS_INVALID_PORT_ID 17
|
||||
#define HV_STATUS_INVALID_CONNECTION_ID 18
|
||||
#define HV_STATUS_INSUFFICIENT_BUFFERS 19
|
||||
|
||||
/*
|
||||
* The Hyper-V TimeRefCount register and the TSC
|
||||
* page provide a guest VM clock with 100ns tick rate
|
||||
*/
|
||||
#define HV_CLOCK_HZ (NSEC_PER_SEC/100)
|
||||
|
||||
/* Define the number of synthetic interrupt sources. */
|
||||
#define HV_SYNIC_SINT_COUNT (16)
|
||||
/* Define the expected SynIC version. */
|
||||
#define HV_SYNIC_VERSION_1 (0x1)
|
||||
/* Valid SynIC vectors are 16-255. */
|
||||
#define HV_SYNIC_FIRST_VALID_VECTOR (16)
|
||||
|
||||
#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
|
||||
#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)
|
||||
#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0)
|
||||
#define HV_SYNIC_SINT_MASKED (1ULL << 16)
|
||||
#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17)
|
||||
#define HV_SYNIC_SINT_VECTOR_MASK (0xFF)
|
||||
|
||||
#define HV_SYNIC_STIMER_COUNT (4)
|
||||
|
||||
/* Define synthetic interrupt controller message constants. */
|
||||
#define HV_MESSAGE_SIZE (256)
|
||||
#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)
|
||||
#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)
|
||||
|
||||
/* Define synthetic interrupt controller message flags. */
|
||||
union hv_message_flags {
|
||||
__u8 asu8;
|
||||
struct {
|
||||
__u8 msg_pending:1;
|
||||
__u8 reserved:7;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define port identifier type. */
|
||||
union hv_port_id {
|
||||
__u32 asu32;
|
||||
struct {
|
||||
__u32 id:24;
|
||||
__u32 reserved:8;
|
||||
} __packed u;
|
||||
};
|
||||
|
||||
/* Define synthetic interrupt controller message header. */
|
||||
struct hv_message_header {
|
||||
__u32 message_type;
|
||||
__u8 payload_size;
|
||||
union hv_message_flags message_flags;
|
||||
__u8 reserved[2];
|
||||
union {
|
||||
__u64 sender;
|
||||
union hv_port_id port;
|
||||
};
|
||||
} __packed;
|
||||
|
||||
/* Define synthetic interrupt controller message format. */
|
||||
struct hv_message {
|
||||
struct hv_message_header header;
|
||||
union {
|
||||
__u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
|
||||
} u;
|
||||
} __packed;
|
||||
|
||||
/* Define the synthetic interrupt message page layout. */
|
||||
struct hv_message_page {
|
||||
struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
|
||||
} __packed;
|
||||
|
||||
/* Define timer message payload structure. */
|
||||
struct hv_timer_message_payload {
|
||||
__u32 timer_index;
|
||||
__u32 reserved;
|
||||
__u64 expiration_time; /* When the timer expired */
|
||||
__u64 delivery_time; /* When the message was delivered */
|
||||
} __packed;
|
||||
|
||||
|
||||
/* Define synthetic interrupt controller flag constants. */
|
||||
#define HV_EVENT_FLAGS_COUNT (256 * 8)
|
||||
#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long))
|
||||
|
||||
/*
|
||||
* Synthetic timer configuration.
|
||||
*/
|
||||
union hv_stimer_config {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 enable:1;
|
||||
u64 periodic:1;
|
||||
u64 lazy:1;
|
||||
u64 auto_enable:1;
|
||||
u64 apic_vector:8;
|
||||
u64 direct_mode:1;
|
||||
u64 reserved_z0:3;
|
||||
u64 sintx:4;
|
||||
u64 reserved_z1:44;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
|
||||
/* Define the synthetic interrupt controller event flags format. */
|
||||
union hv_synic_event_flags {
|
||||
unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT];
|
||||
};
|
||||
|
||||
/* Define SynIC control register. */
|
||||
union hv_synic_scontrol {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 enable:1;
|
||||
u64 reserved:63;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define synthetic interrupt source. */
|
||||
union hv_synic_sint {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 vector:8;
|
||||
u64 reserved1:8;
|
||||
u64 masked:1;
|
||||
u64 auto_eoi:1;
|
||||
u64 polling:1;
|
||||
u64 reserved2:45;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define the format of the SIMP register */
|
||||
union hv_synic_simp {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 simp_enabled:1;
|
||||
u64 preserved:11;
|
||||
u64 base_simp_gpa:52;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
/* Define the format of the SIEFP register */
|
||||
union hv_synic_siefp {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u64 siefp_enabled:1;
|
||||
u64 preserved:11;
|
||||
u64 base_siefp_gpa:52;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
struct hv_vpset {
|
||||
u64 format;
|
||||
u64 valid_bank_mask;
|
||||
u64 bank_contents[];
|
||||
} __packed;
|
||||
|
||||
/* HvCallSendSyntheticClusterIpi hypercall */
|
||||
struct hv_send_ipi {
|
||||
u32 vector;
|
||||
u32 reserved;
|
||||
u64 cpu_mask;
|
||||
} __packed;
|
||||
|
||||
/* HvCallSendSyntheticClusterIpiEx hypercall */
|
||||
struct hv_send_ipi_ex {
|
||||
u32 vector;
|
||||
u32 reserved;
|
||||
struct hv_vpset vp_set;
|
||||
} __packed;
|
||||
|
||||
/* HvFlushGuestPhysicalAddressSpace hypercalls */
|
||||
struct hv_guest_mapping_flush {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
} __packed;
|
||||
|
||||
/*
|
||||
* HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited
|
||||
* by the bitwidth of "additional_pages" in union hv_gpa_page_range.
|
||||
*/
|
||||
#define HV_MAX_FLUSH_PAGES (2048)
|
||||
|
||||
/* HvFlushGuestPhysicalAddressList hypercall */
|
||||
union hv_gpa_page_range {
|
||||
u64 address_space;
|
||||
struct {
|
||||
u64 additional_pages:11;
|
||||
u64 largepage:1;
|
||||
u64 basepfn:52;
|
||||
} page;
|
||||
};
|
||||
|
||||
/*
|
||||
* All input flush parameters should be in single page. The max flush
|
||||
* count is equal with how many entries of union hv_gpa_page_range can
|
||||
* be populated into the input parameter page.
|
||||
*/
|
||||
#define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \
|
||||
sizeof(union hv_gpa_page_range))
|
||||
|
||||
struct hv_guest_mapping_flush_list {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT];
|
||||
};
|
||||
|
||||
/* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */
|
||||
struct hv_tlb_flush {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
u64 processor_mask;
|
||||
u64 gva_list[];
|
||||
} __packed;
|
||||
|
||||
/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */
|
||||
struct hv_tlb_flush_ex {
|
||||
u64 address_space;
|
||||
u64 flags;
|
||||
struct hv_vpset hv_vp_set;
|
||||
u64 gva_list[];
|
||||
} __packed;
|
||||
|
||||
/* HvRetargetDeviceInterrupt hypercall */
|
||||
union hv_msi_entry {
|
||||
u64 as_uint64;
|
||||
struct {
|
||||
u32 address;
|
||||
u32 data;
|
||||
} __packed;
|
||||
};
|
||||
|
||||
struct hv_interrupt_entry {
|
||||
u32 source; /* 1 for MSI(-X) */
|
||||
u32 reserved1;
|
||||
union hv_msi_entry msi_entry;
|
||||
} __packed;
|
||||
|
||||
/*
|
||||
* flags for hv_device_interrupt_target.flags
|
||||
*/
|
||||
#define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1
|
||||
#define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2
|
||||
|
||||
struct hv_device_interrupt_target {
|
||||
u32 vector;
|
||||
u32 flags;
|
||||
union {
|
||||
u64 vp_mask;
|
||||
struct hv_vpset vp_set;
|
||||
};
|
||||
} __packed;
|
||||
|
||||
struct hv_retarget_device_interrupt {
|
||||
u64 partition_id; /* use "self" */
|
||||
u64 device_id;
|
||||
struct hv_interrupt_entry int_entry;
|
||||
u64 reserved2;
|
||||
struct hv_device_interrupt_target int_target;
|
||||
} __packed __aligned(8);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user