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_PAGES_PER_HPAGE (1<<31) 38 39 struct kvm; 40 struct kvm_run; 41 struct kvm_vcpu; 42 43 struct kvm_vm_stat { 44 u32 remote_tlb_flush; 45 }; 46 47 struct kvm_vcpu_stat { 48 u32 sum_exits; 49 u32 mmio_exits; 50 u32 dcr_exits; 51 u32 signal_exits; 52 u32 light_exits; 53 /* Account for special types of light exits: */ 54 u32 itlb_real_miss_exits; 55 u32 itlb_virt_miss_exits; 56 u32 dtlb_real_miss_exits; 57 u32 dtlb_virt_miss_exits; 58 u32 syscall_exits; 59 u32 isi_exits; 60 u32 dsi_exits; 61 u32 emulated_inst_exits; 62 u32 dec_exits; 63 u32 ext_intr_exits; 64 u32 halt_wakeup; 65 }; 66 67 struct kvmppc_44x_tlbe { 68 u32 tid; /* Only the low 8 bits are used. */ 69 u32 word0; 70 u32 word1; 71 u32 word2; 72 }; 73 74 enum kvm_exit_types { 75 MMIO_EXITS, 76 DCR_EXITS, 77 SIGNAL_EXITS, 78 ITLB_REAL_MISS_EXITS, 79 ITLB_VIRT_MISS_EXITS, 80 DTLB_REAL_MISS_EXITS, 81 DTLB_VIRT_MISS_EXITS, 82 SYSCALL_EXITS, 83 ISI_EXITS, 84 DSI_EXITS, 85 EMULATED_INST_EXITS, 86 EMULATED_MTMSRWE_EXITS, 87 EMULATED_WRTEE_EXITS, 88 EMULATED_MTSPR_EXITS, 89 EMULATED_MFSPR_EXITS, 90 EMULATED_MTMSR_EXITS, 91 EMULATED_MFMSR_EXITS, 92 EMULATED_TLBSX_EXITS, 93 EMULATED_TLBWE_EXITS, 94 EMULATED_RFI_EXITS, 95 DEC_EXITS, 96 EXT_INTR_EXITS, 97 HALT_WAKEUP, 98 USR_PR_INST, 99 FP_UNAVAIL, 100 DEBUG_EXITS, 101 TIMEINGUEST, 102 __NUMBER_OF_KVM_EXIT_TYPES 103 }; 104 105 /* allow access to big endian 32bit upper/lower parts and 64bit var */ 106 struct kvmppc_exit_timing { 107 union { 108 u64 tv64; 109 struct { 110 u32 tbu, tbl; 111 } tv32; 112 }; 113 }; 114 115 struct kvm_arch { 116 }; 117 118 struct kvm_vcpu_arch { 119 u32 host_stack; 120 u32 host_pid; 121 u32 host_dbcr0; 122 u32 host_dbcr1; 123 u32 host_dbcr2; 124 u32 host_iac[4]; 125 u32 host_msr; 126 127 u64 fpr[32]; 128 ulong gpr[32]; 129 130 ulong pc; 131 u32 cr; 132 ulong ctr; 133 ulong lr; 134 ulong xer; 135 136 ulong msr; 137 u32 mmucr; 138 ulong sprg0; 139 ulong sprg1; 140 ulong sprg2; 141 ulong sprg3; 142 ulong sprg4; 143 ulong sprg5; 144 ulong sprg6; 145 ulong sprg7; 146 ulong srr0; 147 ulong srr1; 148 ulong csrr0; 149 ulong csrr1; 150 ulong dsrr0; 151 ulong dsrr1; 152 ulong dear; 153 ulong esr; 154 u32 dec; 155 u32 decar; 156 u32 tbl; 157 u32 tbu; 158 u32 tcr; 159 u32 tsr; 160 u32 ivor[16]; 161 ulong ivpr; 162 u32 pir; 163 164 u32 shadow_pid; 165 u32 pid; 166 u32 swap_pid; 167 168 u32 pvr; 169 u32 ccr0; 170 u32 ccr1; 171 u32 dbcr0; 172 u32 dbcr1; 173 174 #ifdef CONFIG_KVM_EXIT_TIMING 175 struct kvmppc_exit_timing timing_exit; 176 struct kvmppc_exit_timing timing_last_enter; 177 u32 last_exit_type; 178 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; 179 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 180 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 181 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 182 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; 183 u64 timing_last_exit; 184 struct dentry *debugfs_exit_timing; 185 #endif 186 187 u32 last_inst; 188 ulong fault_dear; 189 ulong fault_esr; 190 gpa_t paddr_accessed; 191 192 u8 io_gpr; /* GPR used as IO source/target */ 193 u8 mmio_is_bigendian; 194 u8 dcr_needed; 195 u8 dcr_is_write; 196 197 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ 198 199 struct timer_list dec_timer; 200 unsigned long pending_exceptions; 201 }; 202 203 struct kvm_guest_debug { 204 int enabled; 205 unsigned long bp[4]; 206 int singlestep; 207 }; 208 209 #endif /* __POWERPC_KVM_HOST_H__ */ 210