projects / deliverable / linux.git / blame
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|---|---|---|
| bbf45ba5 HB |
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> | |
| 544c6761 AG |
24 | #include <linux/hrtimer.h> |
| 25 | #include <linux/interrupt.h> | |
| bbf45ba5 HB |
26 | #include <linux/types.h> |
| 27 | #include <linux/kvm_types.h> | |
| 96bc451a | 28 | #include <linux/kvm_para.h> |
| bbf45ba5 HB |
29 | #include <asm/kvm_asm.h> |
| 30 | ||
| 31 | #define KVM_MAX_VCPUS 1 | |
| 32 | #define KVM_MEMORY_SLOTS 32 | |
| 33 | /* memory slots that does not exposed to userspace */ | |
| 34 | #define KVM_PRIVATE_MEM_SLOTS 4 | |
| 35 | ||
| 588968b6 LV |
36 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
| 37 | ||
| bbf45ba5 | 38 | /* We don't currently support large pages. */ |
| 82855413 | 39 | #define KVM_HPAGE_GFN_SHIFT(x) 0 |
| ec04b260 JR |
40 | #define KVM_NR_PAGE_SIZES 1 |
| 41 | #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) | |
| bbf45ba5 | 42 | |
| fef093be AG |
43 | #define HPTEG_CACHE_NUM (1 << 15) |
| 44 | #define HPTEG_HASH_BITS_PTE 13 | |
| 2d27fc5e | 45 | #define HPTEG_HASH_BITS_PTE_LONG 12 |
| fef093be AG |
46 | #define HPTEG_HASH_BITS_VPTE 13 |
| 47 | #define HPTEG_HASH_BITS_VPTE_LONG 5 | |
| 48 | #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) | |
| 2d27fc5e | 49 | #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) |
| fef093be AG |
50 | #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) |
| 51 | #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) | |
| ca95150b | 52 | |
| 28e83b4f AG |
53 | /* Physical Address Mask - allowed range of real mode RAM access */ |
| 54 | #define KVM_PAM 0x0fffffffffffffffULL | |
| 55 | ||
| bbf45ba5 HB |
56 | struct kvm; |
| 57 | struct kvm_run; | |
| 58 | struct kvm_vcpu; | |
| 59 | ||
| 60 | struct kvm_vm_stat { | |
| 61 | u32 remote_tlb_flush; | |
| 62 | }; | |
| 63 | ||
| 64 | struct kvm_vcpu_stat { | |
| 65 | u32 sum_exits; | |
| 66 | u32 mmio_exits; | |
| 67 | u32 dcr_exits; | |
| 68 | u32 signal_exits; | |
| 69 | u32 light_exits; | |
| 70 | /* Account for special types of light exits: */ | |
| 71 | u32 itlb_real_miss_exits; | |
| 72 | u32 itlb_virt_miss_exits; | |
| 73 | u32 dtlb_real_miss_exits; | |
| 74 | u32 dtlb_virt_miss_exits; | |
| 75 | u32 syscall_exits; | |
| 76 | u32 isi_exits; | |
| 77 | u32 dsi_exits; | |
| 78 | u32 emulated_inst_exits; | |
| 79 | u32 dec_exits; | |
| 80 | u32 ext_intr_exits; | |
| 45c5eb67 | 81 | u32 halt_wakeup; |
| 00c3a37c | 82 | #ifdef CONFIG_PPC_BOOK3S |
| ca95150b AG |
83 | u32 pf_storage; |
| 84 | u32 pf_instruc; | |
| 85 | u32 sp_storage; | |
| 86 | u32 sp_instruc; | |
| 87 | u32 queue_intr; | |
| 88 | u32 ld; | |
| 89 | u32 ld_slow; | |
| 90 | u32 st; | |
| 91 | u32 st_slow; | |
| 92 | #endif | |
| bbf45ba5 HB |
93 | }; |
| 94 | ||
| 73e75b41 HB |
95 | enum kvm_exit_types { |
| 96 | MMIO_EXITS, | |
| 97 | DCR_EXITS, | |
| 98 | SIGNAL_EXITS, | |
| 99 | ITLB_REAL_MISS_EXITS, | |
| 100 | ITLB_VIRT_MISS_EXITS, | |
| 101 | DTLB_REAL_MISS_EXITS, | |
| 102 | DTLB_VIRT_MISS_EXITS, | |
| 103 | SYSCALL_EXITS, | |
| 104 | ISI_EXITS, | |
| 105 | DSI_EXITS, | |
| 106 | EMULATED_INST_EXITS, | |
| 107 | EMULATED_MTMSRWE_EXITS, | |
| 108 | EMULATED_WRTEE_EXITS, | |
| 109 | EMULATED_MTSPR_EXITS, | |
| 110 | EMULATED_MFSPR_EXITS, | |
| 111 | EMULATED_MTMSR_EXITS, | |
| 112 | EMULATED_MFMSR_EXITS, | |
| 113 | EMULATED_TLBSX_EXITS, | |
| 114 | EMULATED_TLBWE_EXITS, | |
| 115 | EMULATED_RFI_EXITS, | |
| 116 | DEC_EXITS, | |
| 117 | EXT_INTR_EXITS, | |
| 118 | HALT_WAKEUP, | |
| 119 | USR_PR_INST, | |
| 120 | FP_UNAVAIL, | |
| 121 | DEBUG_EXITS, | |
| 122 | TIMEINGUEST, | |
| 123 | __NUMBER_OF_KVM_EXIT_TYPES | |
| 124 | }; | |
| 125 | ||
| 73e75b41 | 126 | /* allow access to big endian 32bit upper/lower parts and 64bit var */ |
| 7b701591 | 127 | struct kvmppc_exit_timing { |
| 73e75b41 HB |
128 | union { |
| 129 | u64 tv64; | |
| 130 | struct { | |
| 131 | u32 tbu, tbl; | |
| 132 | } tv32; | |
| 133 | }; | |
| 134 | }; | |
| 73e75b41 | 135 | |
| bbf45ba5 HB |
136 | struct kvm_arch { |
| 137 | }; | |
| 138 | ||
| ca95150b | 139 | struct kvmppc_pte { |
| af7b4d10 | 140 | ulong eaddr; |
| ca95150b | 141 | u64 vpage; |
| af7b4d10 | 142 | ulong raddr; |
| 3ed9c6d2 AG |
143 | bool may_read : 1; |
| 144 | bool may_write : 1; | |
| 145 | bool may_execute : 1; | |
| ca95150b AG |
146 | }; |
| 147 | ||
| 148 | struct kvmppc_mmu { | |
| 149 | /* book3s_64 only */ | |
| 150 | void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); | |
| 151 | u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
| 152 | u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
| 153 | void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
| 154 | void (*slbia)(struct kvm_vcpu *vcpu); | |
| 155 | /* book3s */ | |
| 156 | void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); | |
| 157 | u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); | |
| 158 | int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); | |
| 159 | void (*reset_msr)(struct kvm_vcpu *vcpu); | |
| 160 | void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); | |
| af7b4d10 | 161 | int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); |
| ca95150b AG |
162 | u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); |
| 163 | bool (*is_dcbz32)(struct kvm_vcpu *vcpu); | |
| 164 | }; | |
| 165 | ||
| c4befc58 PM |
166 | struct kvmppc_slb { |
| 167 | u64 esid; | |
| 168 | u64 vsid; | |
| 169 | u64 orige; | |
| 170 | u64 origv; | |
| 171 | bool valid : 1; | |
| 172 | bool Ks : 1; | |
| 173 | bool Kp : 1; | |
| 174 | bool nx : 1; | |
| 175 | bool large : 1; /* PTEs are 16MB */ | |
| 176 | bool tb : 1; /* 1TB segment */ | |
| 177 | bool class : 1; | |
| ca95150b AG |
178 | }; |
| 179 | ||
| bbf45ba5 | 180 | struct kvm_vcpu_arch { |
| ca95150b | 181 | ulong host_stack; |
| bbf45ba5 | 182 | u32 host_pid; |
| 00c3a37c | 183 | #ifdef CONFIG_PPC_BOOK3S |
| ca95150b AG |
184 | ulong host_msr; |
| 185 | ulong host_r2; | |
| 186 | void *host_retip; | |
| 187 | ulong trampoline_lowmem; | |
| 188 | ulong trampoline_enter; | |
| 189 | ulong highmem_handler; | |
| 021ec9c6 | 190 | ulong rmcall; |
| ca95150b | 191 | ulong host_paca_phys; |
| c4befc58 PM |
192 | struct kvmppc_slb slb[64]; |
| 193 | int slb_max; /* # valid entries in slb[] */ | |
| 194 | int slb_nr; /* total number of entries in SLB */ | |
| ca95150b AG |
195 | struct kvmppc_mmu mmu; |
| 196 | #endif | |
| bbf45ba5 | 197 | |
| 5cf8ca22 | 198 | ulong gpr[32]; |
| bbf45ba5 | 199 | |
| 180a34d2 | 200 | u64 fpr[32]; |
| c62e096d | 201 | u64 fpscr; |
| 180a34d2 | 202 | |
| 4cd35f67 SW |
203 | #ifdef CONFIG_SPE |
| 204 | ulong evr[32]; | |
| 205 | ulong spefscr; | |
| 206 | ulong host_spefscr; | |
| 207 | u64 acc; | |
| 208 | #endif | |
| 180a34d2 AG |
209 | #ifdef CONFIG_ALTIVEC |
| 210 | vector128 vr[32]; | |
| 211 | vector128 vscr; | |
| 212 | #endif | |
| 213 | ||
| 214 | #ifdef CONFIG_VSX | |
| 215 | u64 vsr[32]; | |
| 216 | #endif | |
| 217 | ||
| 5aa9e2f4 AG |
218 | #ifdef CONFIG_PPC_BOOK3S |
| 219 | /* For Gekko paired singles */ | |
| 220 | u32 qpr[32]; | |
| 221 | #endif | |
| 222 | ||
| 0604675f | 223 | #ifdef CONFIG_BOOKE |
| 5cf8ca22 | 224 | ulong pc; |
| 5cf8ca22 HB |
225 | ulong ctr; |
| 226 | ulong lr; | |
| 7e57cba0 | 227 | |
| 5cf8ca22 | 228 | ulong xer; |
| 7e57cba0 AG |
229 | u32 cr; |
| 230 | #endif | |
| bbf45ba5 | 231 | |
| 00c3a37c | 232 | #ifdef CONFIG_PPC_BOOK3S |
| ca95150b | 233 | ulong hflags; |
| 180a34d2 | 234 | ulong guest_owned_ext; |
| ca95150b | 235 | #endif |
| eab17672 | 236 | u32 vrsave; /* also USPRG0 */ |
| bbf45ba5 | 237 | u32 mmucr; |
| ecee273f | 238 | ulong shadow_msr; |
| 5cf8ca22 HB |
239 | ulong sprg4; |
| 240 | ulong sprg5; | |
| 241 | ulong sprg6; | |
| 242 | ulong sprg7; | |
| 5cf8ca22 HB |
243 | ulong csrr0; |
| 244 | ulong csrr1; | |
| 245 | ulong dsrr0; | |
| 246 | ulong dsrr1; | |
| 5ce941ee SW |
247 | ulong mcsrr0; |
| 248 | ulong mcsrr1; | |
| 249 | ulong mcsr; | |
| 5cf8ca22 | 250 | ulong esr; |
| bbf45ba5 HB |
251 | u32 dec; |
| 252 | u32 decar; | |
| 253 | u32 tbl; | |
| 254 | u32 tbu; | |
| 255 | u32 tcr; | |
| 256 | u32 tsr; | |
| bb3a8a17 | 257 | u32 ivor[64]; |
| 5cf8ca22 | 258 | ulong ivpr; |
| bbf45ba5 | 259 | u32 pir; |
| ca95150b | 260 | u32 pvr; |
| 49dd2c49 HB |
261 | |
| 262 | u32 shadow_pid; | |
| dd9ebf1f | 263 | u32 shadow_pid1; |
| bbf45ba5 | 264 | u32 pid; |
| 49dd2c49 HB |
265 | u32 swap_pid; |
| 266 | ||
| bbf45ba5 HB |
267 | u32 ccr0; |
| 268 | u32 ccr1; | |
| 269 | u32 dbcr0; | |
| 270 | u32 dbcr1; | |
| f7b200af | 271 | u32 dbsr; |
| bbf45ba5 | 272 | |
| 73e75b41 | 273 | #ifdef CONFIG_KVM_EXIT_TIMING |
| 09000adb | 274 | struct mutex exit_timing_lock; |
| 7b701591 HB |
275 | struct kvmppc_exit_timing timing_exit; |
| 276 | struct kvmppc_exit_timing timing_last_enter; | |
| 73e75b41 HB |
277 | u32 last_exit_type; |
| 278 | u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; | |
| 279 | u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
| 280 | u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
| 281 | u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
| 282 | u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
| 283 | u64 timing_last_exit; | |
| 284 | struct dentry *debugfs_exit_timing; | |
| 285 | #endif | |
| 286 | ||
| 0604675f | 287 | #ifdef CONFIG_BOOKE |
| bbf45ba5 | 288 | u32 last_inst; |
| 5cf8ca22 HB |
289 | ulong fault_dear; |
| 290 | ulong fault_esr; | |
| daf5e271 LY |
291 | ulong queued_dear; |
| 292 | ulong queued_esr; | |
| 0604675f | 293 | #endif |
| bbf45ba5 HB |
294 | gpa_t paddr_accessed; |
| 295 | ||
| 296 | u8 io_gpr; /* GPR used as IO source/target */ | |
| 297 | u8 mmio_is_bigendian; | |
| 3587d534 | 298 | u8 mmio_sign_extend; |
| bbf45ba5 HB |
299 | u8 dcr_needed; |
| 300 | u8 dcr_is_write; | |
| ad0a048b AG |
301 | u8 osi_needed; |
| 302 | u8 osi_enabled; | |
| bbf45ba5 HB |
303 | |
| 304 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
| 305 | ||
| 544c6761 AG |
306 | struct hrtimer dec_timer; |
| 307 | struct tasklet_struct tasklet; | |
| ca95150b | 308 | u64 dec_jiffies; |
| bbf45ba5 | 309 | unsigned long pending_exceptions; |
| 96bc451a | 310 | struct kvm_vcpu_arch_shared *shared; |
| beb03f14 AG |
311 | unsigned long magic_page_pa; /* phys addr to map the magic page to */ |
| 312 | unsigned long magic_page_ea; /* effect. addr to map the magic page to */ | |
| bbf45ba5 HB |
313 | }; |
| 314 | ||
| bbf45ba5 | 315 | #endif /* __POWERPC_KVM_HOST_H__ */ |