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 "hvm_op.h" 25 26 /* 27 * Parameter space for HVMOP_{set,get}_param. 28 */ 29 30 /* 31 * How should CPU0 event-channel notifications be delivered? 32 * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt). 33 * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows: 34 * Domain = val[47:32], Bus = val[31:16], 35 * DevFn = val[15: 8], IntX = val[ 1: 0] 36 * If val == 0 then CPU0 event-channel notifications are not delivered. 37 */ 38 #define HVM_PARAM_CALLBACK_IRQ 0 39 40 /* 41 * These are not used by Xen. They are here for convenience of HVM-guest 42 * xenbus implementations. 43 */ 44 #define HVM_PARAM_STORE_PFN 1 45 #define HVM_PARAM_STORE_EVTCHN 2 46 47 #define HVM_PARAM_PAE_ENABLED 4 48 49 #define HVM_PARAM_IOREQ_PFN 5 50 51 #define HVM_PARAM_BUFIOREQ_PFN 6 52 53 #ifdef __ia64__ 54 55 #define HVM_PARAM_NVRAM_FD 7 56 #define HVM_PARAM_VHPT_SIZE 8 57 #define HVM_PARAM_BUFPIOREQ_PFN 9 58 59 #elif defined(__i386__) || defined(__x86_64__) 60 61 /* Expose Viridian interfaces to this HVM guest? */ 62 #define HVM_PARAM_VIRIDIAN 9 63 64 #endif 65 66 /* 67 * Set mode for virtual timers (currently x86 only): 68 * delay_for_missed_ticks (default): 69 * Do not advance a vcpu's time beyond the correct delivery time for 70 * interrupts that have been missed due to preemption. Deliver missed 71 * interrupts when the vcpu is rescheduled and advance the vcpu's virtual 72 * time stepwise for each one. 73 * no_delay_for_missed_ticks: 74 * As above, missed interrupts are delivered, but guest time always tracks 75 * wallclock (i.e., real) time while doing so. 76 * no_missed_ticks_pending: 77 * No missed interrupts are held pending. Instead, to ensure ticks are 78 * delivered at some non-zero rate, if we detect missed ticks then the 79 * internal tick alarm is not disabled if the VCPU is preempted during the 80 * next tick period. 81 * one_missed_tick_pending: 82 * Missed interrupts are collapsed together and delivered as one 'late tick'. 83 * Guest time always tracks wallclock (i.e., real) time. 84 */ 85 #define HVM_PARAM_TIMER_MODE 10 86 #define HVMPTM_delay_for_missed_ticks 0 87 #define HVMPTM_no_delay_for_missed_ticks 1 88 #define HVMPTM_no_missed_ticks_pending 2 89 #define HVMPTM_one_missed_tick_pending 3 90 91 /* Boolean: Enable virtual HPET (high-precision event timer)? (x86-only) */ 92 #define HVM_PARAM_HPET_ENABLED 11 93 94 /* Identity-map page directory used by Intel EPT when CR0.PG=0. */ 95 #define HVM_PARAM_IDENT_PT 12 96 97 /* Device Model domain, defaults to 0. */ 98 #define HVM_PARAM_DM_DOMAIN 13 99 100 /* ACPI S state: currently support S0 and S3 on x86. */ 101 #define HVM_PARAM_ACPI_S_STATE 14 102 103 #define HVM_NR_PARAMS 15 104 105 #endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */ 106