1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License, version 2, as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * You should have received a copy of the GNU General Public License 12 * along with this program; if not, write to the Free Software 13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 14 * 15 * Copyright IBM Corp. 2007 16 * 17 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 18 */ 19 20 #ifndef __POWERPC_KVM_HOST_H__ 21 #define __POWERPC_KVM_HOST_H__ 22 23 #include <linux/mutex.h> 24 #include <linux/timer.h> 25 #include <linux/types.h> 26 #include <linux/kvm_types.h> 27 #include <asm/kvm_asm.h> 28 29 #define KVM_MAX_VCPUS 1 30 #define KVM_MEMORY_SLOTS 32 31 /* memory slots that does not exposed to userspace */ 32 #define KVM_PRIVATE_MEM_SLOTS 4 33 34 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 35 36 /* We don't currently support large pages. */ 37 #define KVM_NR_PAGE_SIZES 1 38 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) 39 40 struct kvm; 41 struct kvm_run; 42 struct kvm_vcpu; 43 44 struct kvm_vm_stat { 45 u32 remote_tlb_flush; 46 }; 47 48 struct kvm_vcpu_stat { 49 u32 sum_exits; 50 u32 mmio_exits; 51 u32 dcr_exits; 52 u32 signal_exits; 53 u32 light_exits; 54 /* Account for special types of light exits: */ 55 u32 itlb_real_miss_exits; 56 u32 itlb_virt_miss_exits; 57 u32 dtlb_real_miss_exits; 58 u32 dtlb_virt_miss_exits; 59 u32 syscall_exits; 60 u32 isi_exits; 61 u32 dsi_exits; 62 u32 emulated_inst_exits; 63 u32 dec_exits; 64 u32 ext_intr_exits; 65 u32 halt_wakeup; 66 }; 67 68 enum kvm_exit_types { 69 MMIO_EXITS, 70 DCR_EXITS, 71 SIGNAL_EXITS, 72 ITLB_REAL_MISS_EXITS, 73 ITLB_VIRT_MISS_EXITS, 74 DTLB_REAL_MISS_EXITS, 75 DTLB_VIRT_MISS_EXITS, 76 SYSCALL_EXITS, 77 ISI_EXITS, 78 DSI_EXITS, 79 EMULATED_INST_EXITS, 80 EMULATED_MTMSRWE_EXITS, 81 EMULATED_WRTEE_EXITS, 82 EMULATED_MTSPR_EXITS, 83 EMULATED_MFSPR_EXITS, 84 EMULATED_MTMSR_EXITS, 85 EMULATED_MFMSR_EXITS, 86 EMULATED_TLBSX_EXITS, 87 EMULATED_TLBWE_EXITS, 88 EMULATED_RFI_EXITS, 89 DEC_EXITS, 90 EXT_INTR_EXITS, 91 HALT_WAKEUP, 92 USR_PR_INST, 93 FP_UNAVAIL, 94 DEBUG_EXITS, 95 TIMEINGUEST, 96 __NUMBER_OF_KVM_EXIT_TYPES 97 }; 98 99 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 100 struct kvmppc_exit_timing { 101 union { 102 u64 tv64; 103 struct { 104 u32 tbu, tbl; 105 } tv32; 106 }; 107 }; 108 109 struct kvm_arch { 110 }; 111 112 struct kvm_vcpu_arch { 113 u32 host_stack; 114 u32 host_pid; 115 116 u64 fpr[32]; 117 ulong gpr[32]; 118 119 ulong pc; 120 u32 cr; 121 ulong ctr; 122 ulong lr; 123 ulong xer; 124 125 ulong msr; 126 u32 mmucr; 127 ulong sprg0; 128 ulong sprg1; 129 ulong sprg2; 130 ulong sprg3; 131 ulong sprg4; 132 ulong sprg5; 133 ulong sprg6; 134 ulong sprg7; 135 ulong srr0; 136 ulong srr1; 137 ulong csrr0; 138 ulong csrr1; 139 ulong dsrr0; 140 ulong dsrr1; 141 ulong dear; 142 ulong esr; 143 u32 dec; 144 u32 decar; 145 u32 tbl; 146 u32 tbu; 147 u32 tcr; 148 u32 tsr; 149 u32 ivor[64]; 150 ulong ivpr; 151 u32 pir; 152 153 u32 shadow_pid; 154 u32 pid; 155 u32 swap_pid; 156 157 u32 ccr0; 158 u32 ccr1; 159 u32 dbcr0; 160 u32 dbcr1; 161 u32 dbsr; 162 163 #ifdef CONFIG_KVM_EXIT_TIMING 164 struct kvmppc_exit_timing timing_exit; 165 struct kvmppc_exit_timing timing_last_enter; 166 u32 last_exit_type; 167 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 168 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 169 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 170 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 171 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 172 u64 timing_last_exit; 173 struct dentry *debugfs_exit_timing; 174 #endif 175 176 u32 last_inst; 177 ulong fault_dear; 178 ulong fault_esr; 179 gpa_t paddr_accessed; 180 181 u8 io_gpr; /* GPR used as IO source/target */ 182 u8 mmio_is_bigendian; 183 u8 dcr_needed; 184 u8 dcr_is_write; 185 186 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 187 188 struct timer_list dec_timer; 189 unsigned long pending_exceptions; 190 }; 191 192 #endif /* __POWERPC_KVM_HOST_H__ */ 193