/* SPDX-License-Identifier: MIT */
#ifndef __XEN_PUBLIC_HVM_PARAMS_H__
#define __XEN_PUBLIC_HVM_PARAMS_H__
#include <xen/interface/hvm/hvm_op.h>
/*
* Parameter space for HVMOP_ { set , get } _ param .
*/
#define HVM_PARAM_CALLBACK_IRQ 0
/*
* 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 .
*/
#endif
#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
/*
* 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
/* Device Model domain, defaults to 0. */
#define HVM_PARAM_DM_DOMAIN 13
/* 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
#define HVM_NR_PARAMS 19
#endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */
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