/* * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Copyright (c) 2007, Keir Fraser */ #ifndef __XEN_PUBLIC_HVM_PARAMS_H__ #define __XEN_PUBLIC_HVM_PARAMS_H__ #include "hvm_op.h" /* These parameters are deprecated and their meaning is undefined. */ #if defined(__XEN__) || defined(__XEN_TOOLS__) #define HVM_PARAM_DM_DOMAIN 13 #define HVM_PARAM_BUFIOREQ_EVTCHN 26 #endif /* defined(__XEN__) || defined(__XEN_TOOLS__) */ /* * Parameter space for HVMOP_{set,get}_param. */ #define HVM_PARAM_CALLBACK_IRQ 0 #define HVM_PARAM_CALLBACK_IRQ_TYPE_MASK xen_mk_ullong(0xFF00000000000000) /* * How should CPU0 event-channel notifications be delivered? * * If val == 0 then CPU0 event-channel notifications are not delivered. * If val != 0, val[63:56] encodes the type, as follows: */ #define HVM_PARAM_CALLBACK_TYPE_GSI 0 /* * val[55:0] is a delivery GSI. GSI 0 cannot be used, as it aliases val == 0, * and disables all notifications. */ #define HVM_PARAM_CALLBACK_TYPE_PCI_INTX 1 /* * val[55:0] is a delivery PCI INTx line: * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0] */ #if defined(__i386__) || defined(__x86_64__) #define HVM_PARAM_CALLBACK_TYPE_VECTOR 2 /* * val[7:0] is a vector number. Check for XENFEAT_hvm_callback_vector to know * if this delivery method is available. */ #elif defined(__arm__) || defined(__aarch64__) #define HVM_PARAM_CALLBACK_TYPE_PPI 2 /* * val[55:16] needs to be zero. * val[15:8] is interrupt flag of the PPI used by event-channel: * bit 8: the PPI is edge(1) or level(0) triggered * bit 9: the PPI is active low(1) or high(0) * val[7:0] is a PPI number used by event-channel. * This is only used by ARM/ARM64 and masking/eoi the interrupt associated to * the notification is handled by the interrupt controller. */ #define HVM_PARAM_CALLBACK_TYPE_PPI_FLAG_MASK 0xFF00 #define HVM_PARAM_CALLBACK_TYPE_PPI_FLAG_LOW_LEVEL 2 #endif /* * These are not used by Xen. They are here for convenience of HVM-guest * xenbus implementations. */ #define HVM_PARAM_STORE_PFN 1 #define HVM_PARAM_STORE_EVTCHN 2 #define HVM_PARAM_PAE_ENABLED 4 #define HVM_PARAM_IOREQ_PFN 5 #define HVM_PARAM_BUFIOREQ_PFN 6 #if defined(__i386__) || defined(__x86_64__) /* * Viridian enlightenments * * (See http://download.microsoft.com/download/A/B/4/AB43A34E-BDD0-4FA6-BDEF-79EEF16E880B/Hypervisor%20Top%20Level%20Functional%20Specification%20v4.0.docx) * * To expose viridian enlightenments to the guest set this parameter * to the desired feature mask. The base feature set must be present * in any valid feature mask. */ #define HVM_PARAM_VIRIDIAN 9 /* Base+Freq viridian feature sets: * * - Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) * - APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR) * - Virtual Processor index MSR (HV_X64_MSR_VP_INDEX) * - Timer frequency MSRs (HV_X64_MSR_TSC_FREQUENCY and * HV_X64_MSR_APIC_FREQUENCY) */ #define _HVMPV_base_freq 0 #define HVMPV_base_freq (1 << _HVMPV_base_freq) /* Feature set modifications */ /* Disable timer frequency MSRs (HV_X64_MSR_TSC_FREQUENCY and * HV_X64_MSR_APIC_FREQUENCY). * This modification restores the viridian feature set to the * original 'base' set exposed in releases prior to Xen 4.4. */ #define _HVMPV_no_freq 1 #define HVMPV_no_freq (1 << _HVMPV_no_freq) /* Enable Partition Time Reference Counter (HV_X64_MSR_TIME_REF_COUNT) */ #define _HVMPV_time_ref_count 2 #define HVMPV_time_ref_count (1 << _HVMPV_time_ref_count) /* Enable Reference TSC Page (HV_X64_MSR_REFERENCE_TSC) */ #define _HVMPV_reference_tsc 3 #define HVMPV_reference_tsc (1 << _HVMPV_reference_tsc) /* Use Hypercall for remote TLB flush */ #define _HVMPV_hcall_remote_tlb_flush 4 #define HVMPV_hcall_remote_tlb_flush (1 << _HVMPV_hcall_remote_tlb_flush) /* Use APIC assist */ #define _HVMPV_apic_assist 5 #define HVMPV_apic_assist (1 << _HVMPV_apic_assist) /* Enable crash MSRs */ #define _HVMPV_crash_ctl 6 #define HVMPV_crash_ctl (1 << _HVMPV_crash_ctl) /* Enable SYNIC MSRs */ #define _HVMPV_synic 7 #define HVMPV_synic (1 << _HVMPV_synic) /* Enable STIMER MSRs */ #define _HVMPV_stimer 8 #define HVMPV_stimer (1 << _HVMPV_stimer) /* Use Synthetic Cluster IPI Hypercall */ #define _HVMPV_hcall_ipi 9 #define HVMPV_hcall_ipi (1 << _HVMPV_hcall_ipi) #define HVMPV_feature_mask \ (HVMPV_base_freq | \ HVMPV_no_freq | \ HVMPV_time_ref_count | \ HVMPV_reference_tsc | \ HVMPV_hcall_remote_tlb_flush | \ HVMPV_apic_assist | \ HVMPV_crash_ctl | \ HVMPV_synic | \ HVMPV_stimer | \ HVMPV_hcall_ipi) #endif /* * Set mode for virtual timers (currently x86 only): * delay_for_missed_ticks (default): * Do not advance a vcpu's time beyond the correct delivery time for * interrupts that have been missed due to preemption. Deliver missed * interrupts when the vcpu is rescheduled and advance the vcpu's virtual * time stepwise for each one. * no_delay_for_missed_ticks: * As above, missed interrupts are delivered, but guest time always tracks * wallclock (i.e., real) time while doing so. * no_missed_ticks_pending: * No missed interrupts are held pending. Instead, to ensure ticks are * delivered at some non-zero rate, if we detect missed ticks then the * internal tick alarm is not disabled if the VCPU is preempted during the * next tick period. * one_missed_tick_pending: * Missed interrupts are collapsed together and delivered as one 'late tick'. * Guest time always tracks wallclock (i.e., real) time. */ #define HVM_PARAM_TIMER_MODE 10 #define HVMPTM_delay_for_missed_ticks 0 #define HVMPTM_no_delay_for_missed_ticks 1 #define HVMPTM_no_missed_ticks_pending 2 #define HVMPTM_one_missed_tick_pending 3 /* Boolean: Enable virtual HPET (high-precision event timer)? (x86-only) */ #define HVM_PARAM_HPET_ENABLED 11 /* Identity-map page directory used by Intel EPT when CR0.PG=0. */ #define HVM_PARAM_IDENT_PT 12 /* ACPI S state: currently support S0 and S3 on x86. */ #define HVM_PARAM_ACPI_S_STATE 14 /* TSS used on Intel when CR0.PE=0. */ #define HVM_PARAM_VM86_TSS 15 /* Boolean: Enable aligning all periodic vpts to reduce interrupts */ #define HVM_PARAM_VPT_ALIGN 16 /* Console debug shared memory ring and event channel */ #define HVM_PARAM_CONSOLE_PFN 17 #define HVM_PARAM_CONSOLE_EVTCHN 18 /* * Select location of ACPI PM1a and TMR control blocks. Currently two locations * are supported, specified by version 0 or 1 in this parameter: * - 0: default, use the old addresses * PM1A_EVT == 0x1f40; PM1A_CNT == 0x1f44; PM_TMR == 0x1f48 * - 1: use the new default qemu addresses * PM1A_EVT == 0xb000; PM1A_CNT == 0xb004; PM_TMR == 0xb008 * You can find these address definitions in */ #define HVM_PARAM_ACPI_IOPORTS_LOCATION 19 /* Deprecated */ #define HVM_PARAM_MEMORY_EVENT_CR0 20 #define HVM_PARAM_MEMORY_EVENT_CR3 21 #define HVM_PARAM_MEMORY_EVENT_CR4 22 #define HVM_PARAM_MEMORY_EVENT_INT3 23 #define HVM_PARAM_MEMORY_EVENT_SINGLE_STEP 25 #define HVM_PARAM_MEMORY_EVENT_MSR 30 /* Boolean: Enable nestedhvm (hvm only) */ #define HVM_PARAM_NESTEDHVM 24 /* Params for the mem event rings */ #define HVM_PARAM_PAGING_RING_PFN 27 #define HVM_PARAM_MONITOR_RING_PFN 28 #define HVM_PARAM_SHARING_RING_PFN 29 /* SHUTDOWN_* action in case of a triple fault */ #define HVM_PARAM_TRIPLE_FAULT_REASON 31 #define HVM_PARAM_IOREQ_SERVER_PFN 32 #define HVM_PARAM_NR_IOREQ_SERVER_PAGES 33 /* Location of the VM Generation ID in guest physical address space. */ #define HVM_PARAM_VM_GENERATION_ID_ADDR 34 /* * Set mode for altp2m: * disabled: don't activate altp2m (default) * mixed: allow access to all altp2m ops for both in-guest and external tools * external: allow access to external privileged tools only * limited: guest only has limited access (ie. control VMFUNC and #VE) * * Note that 'mixed' mode has not been evaluated for safety from a * security perspective. Before using this mode in a * security-critical environment, each subop should be evaluated for * safety, with unsafe subops blacklisted in XSM. */ #define HVM_PARAM_ALTP2M 35 #define XEN_ALTP2M_disabled 0 #define XEN_ALTP2M_mixed 1 #define XEN_ALTP2M_external 2 #define XEN_ALTP2M_limited 3 /* * Size of the x87 FPU FIP/FDP registers that the hypervisor needs to * save/restore. This is a workaround for a hardware limitation that * does not allow the full FIP/FDP and FCS/FDS to be restored. * * Valid values are: * * 8: save/restore 64-bit FIP/FDP and clear FCS/FDS (default if CPU * has FPCSDS feature). * * 4: save/restore 32-bit FIP/FDP, FCS/FDS, and clear upper 32-bits of * FIP/FDP. * * 0: allow hypervisor to choose based on the value of FIP/FDP * (default if CPU does not have FPCSDS). * * If FPCSDS (bit 13 in CPUID leaf 0x7, subleaf 0x0) is set, the CPU * never saves FCS/FDS and this parameter should be left at the * default of 8. */ #define HVM_PARAM_X87_FIP_WIDTH 36 /* * TSS (and its size) used on Intel when CR0.PE=0. The address occupies * the low 32 bits, while the size is in the high 32 ones. */ #define HVM_PARAM_VM86_TSS_SIZED 37 /* Enable MCA capabilities. */ #define HVM_PARAM_MCA_CAP 38 #define XEN_HVM_MCA_CAP_LMCE (xen_mk_ullong(1) << 0) #define XEN_HVM_MCA_CAP_MASK XEN_HVM_MCA_CAP_LMCE #define HVM_NR_PARAMS 39 #endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */