1 /* 2 * Permission is hereby granted, free of charge, to any person obtaining a copy 3 * of this software and associated documentation files (the "Software"), to 4 * deal in the Software without restriction, including without limitation the 5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 6 * sell copies of the Software, and to permit persons to whom the Software is 7 * furnished to do so, subject to the following conditions: 8 * 9 * The above copyright notice and this permission notice shall be included in 10 * all copies or substantial portions of the Software. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 18 * DEALINGS IN THE SOFTWARE. 19 */ 20 21 #ifndef __XEN_PUBLIC_HVM_PARAMS_H__ 22 #define __XEN_PUBLIC_HVM_PARAMS_H__ 23 24 #include <xen/interface/hvm/hvm_op.h> 25 26 /* 27 * Parameter space for HVMOP_{set,get}_param. 28 */ 29 30 #define HVM_PARAM_CALLBACK_IRQ 0 31 /* 32 * How should CPU0 event-channel notifications be delivered? 33 * 34 * If val == 0 then CPU0 event-channel notifications are not delivered. 35 * If val != 0, val[63:56] encodes the type, as follows: 36 */ 37 38 #define HVM_PARAM_CALLBACK_TYPE_GSI 0 39 /* 40 * val[55:0] is a delivery GSI. GSI 0 cannot be used, as it aliases val == 0, 41 * and disables all notifications. 42 */ 43 44 #define HVM_PARAM_CALLBACK_TYPE_PCI_INTX 1 45 /* 46 * val[55:0] is a delivery PCI INTx line: 47 * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0] 48 */ 49 50 #if defined(__i386__) || defined(__x86_64__) 51 #define HVM_PARAM_CALLBACK_TYPE_VECTOR 2 52 /* 53 * val[7:0] is a vector number. Check for XENFEAT_hvm_callback_vector to know 54 * if this delivery method is available. 55 */ 56 #elif defined(__arm__) || defined(__aarch64__) 57 #define HVM_PARAM_CALLBACK_TYPE_PPI 2 58 /* 59 * val[55:16] needs to be zero. 60 * val[15:8] is interrupt flag of the PPI used by event-channel: 61 * bit 8: the PPI is edge(1) or level(0) triggered 62 * bit 9: the PPI is active low(1) or high(0) 63 * val[7:0] is a PPI number used by event-channel. 64 * This is only used by ARM/ARM64 and masking/eoi the interrupt associated to 65 * the notification is handled by the interrupt controller. 66 */ 67 #endif 68 69 #define HVM_PARAM_STORE_PFN 1 70 #define HVM_PARAM_STORE_EVTCHN 2 71 72 #define HVM_PARAM_PAE_ENABLED 4 73 74 #define HVM_PARAM_IOREQ_PFN 5 75 76 #define HVM_PARAM_BUFIOREQ_PFN 6 77 78 /* 79 * Set mode for virtual timers (currently x86 only): 80 * delay_for_missed_ticks (default): 81 * Do not advance a vcpu's time beyond the correct delivery time for 82 * interrupts that have been missed due to preemption. Deliver missed 83 * interrupts when the vcpu is rescheduled and advance the vcpu's virtual 84 * time stepwise for each one. 85 * no_delay_for_missed_ticks: 86 * As above, missed interrupts are delivered, but guest time always tracks 87 * wallclock (i.e., real) time while doing so. 88 * no_missed_ticks_pending: 89 * No missed interrupts are held pending. Instead, to ensure ticks are 90 * delivered at some non-zero rate, if we detect missed ticks then the 91 * internal tick alarm is not disabled if the VCPU is preempted during the 92 * next tick period. 93 * one_missed_tick_pending: 94 * Missed interrupts are collapsed together and delivered as one 'late tick'. 95 * Guest time always tracks wallclock (i.e., real) time. 96 */ 97 #define HVM_PARAM_TIMER_MODE 10 98 #define HVMPTM_delay_for_missed_ticks 0 99 #define HVMPTM_no_delay_for_missed_ticks 1 100 #define HVMPTM_no_missed_ticks_pending 2 101 #define HVMPTM_one_missed_tick_pending 3 102 103 /* Boolean: Enable virtual HPET (high-precision event timer)? (x86-only) */ 104 #define HVM_PARAM_HPET_ENABLED 11 105 106 /* Identity-map page directory used by Intel EPT when CR0.PG=0. */ 107 #define HVM_PARAM_IDENT_PT 12 108 109 /* Device Model domain, defaults to 0. */ 110 #define HVM_PARAM_DM_DOMAIN 13 111 112 /* ACPI S state: currently support S0 and S3 on x86. */ 113 #define HVM_PARAM_ACPI_S_STATE 14 114 115 /* TSS used on Intel when CR0.PE=0. */ 116 #define HVM_PARAM_VM86_TSS 15 117 118 /* Boolean: Enable aligning all periodic vpts to reduce interrupts */ 119 #define HVM_PARAM_VPT_ALIGN 16 120 121 /* Console debug shared memory ring and event channel */ 122 #define HVM_PARAM_CONSOLE_PFN 17 123 #define HVM_PARAM_CONSOLE_EVTCHN 18 124 125 #define HVM_NR_PARAMS 19 126 127 #endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */ 128