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Diffstat (limited to 'roms/ipxe/src/include/xen/hvm/params.h')
| -rw-r--r-- | roms/ipxe/src/include/xen/hvm/params.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/roms/ipxe/src/include/xen/hvm/params.h b/roms/ipxe/src/include/xen/hvm/params.h new file mode 100644 index 00000000..49e06586 --- /dev/null +++ b/roms/ipxe/src/include/xen/hvm/params.h @@ -0,0 +1,158 @@ +/* + * 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. + */ + +#ifndef __XEN_PUBLIC_HVM_PARAMS_H__ +#define __XEN_PUBLIC_HVM_PARAMS_H__ + +FILE_LICENCE ( MIT ); + +#include "hvm_op.h" + +/* + * Parameter space for HVMOP_{set,get}_param. + */ + +/* + * How should CPU0 event-channel notifications be delivered? + * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt). + * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows: + * Domain = val[47:32], Bus = val[31:16], + * DevFn = val[15: 8], IntX = val[ 1: 0] + * val[63:56] == 2: val[7:0] is a vector number, check for + * XENFEAT_hvm_callback_vector to know if this delivery + * method is available. + * If val == 0 then CPU0 event-channel notifications are not delivered. + */ +#define HVM_PARAM_CALLBACK_IRQ 0 + +/* + * 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 +#define HVM_PARAM_BUFIOREQ_EVTCHN 26 + +#if defined(__i386__) || defined(__x86_64__) + +/* Expose Viridian interfaces to this HVM guest? */ +#define HVM_PARAM_VIRIDIAN 9 + +#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 + +/* 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 + +/* + * 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 <hvm/ioreq.h> + */ +#define HVM_PARAM_ACPI_IOPORTS_LOCATION 19 + +/* Enable blocking memory events, async or sync (pause vcpu until response) + * onchangeonly indicates messages only on a change of value */ +#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 + +#define HVMPME_MODE_MASK (3 << 0) +#define HVMPME_mode_disabled 0 +#define HVMPME_mode_async 1 +#define HVMPME_mode_sync 2 +#define HVMPME_onchangeonly (1 << 2) + +/* 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_ACCESS_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 + +#define HVM_NR_PARAMS 35 + +#endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */ |