/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. * Authors: Sanjay Lal */ #ifndef __MIPS_KVM_HOST_H__ #define __MIPS_KVM_HOST_H__ #include #include #include #include #include #include #include #include #define KVM_MAX_VCPUS 1 #define KVM_USER_MEM_SLOTS 8 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 0 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 /* Special address that contains the comm page, used for reducing # of traps */ #define KVM_GUEST_COMMPAGE_ADDR 0x0 #define KVM_GUEST_KERNEL_MODE(vcpu) ((kvm_read_c0_guest_status(vcpu->arch.cop0) & (ST0_EXL | ST0_ERL)) || \ ((kvm_read_c0_guest_status(vcpu->arch.cop0) & KSU_USER) == 0)) #define KVM_GUEST_KUSEG 0x00000000UL #define KVM_GUEST_KSEG0 0x40000000UL #define KVM_GUEST_KSEG23 0x60000000UL #define KVM_GUEST_KSEGX(a) ((_ACAST32_(a)) & 0x60000000) #define KVM_GUEST_CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff) #define KVM_GUEST_CKSEG0ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG0) #define KVM_GUEST_CKSEG1ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG1) #define KVM_GUEST_CKSEG23ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG23) /* * Map an address to a certain kernel segment */ #define KVM_GUEST_KSEG0ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG0) #define KVM_GUEST_KSEG1ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG1) #define KVM_GUEST_KSEG23ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG23) #define KVM_INVALID_PAGE 0xdeadbeef #define KVM_INVALID_INST 0xdeadbeef #define KVM_INVALID_ADDR 0xdeadbeef #define KVM_MALTA_GUEST_RTC_ADDR 0xb8000070UL #define GUEST_TICKS_PER_JIFFY (40000000/HZ) #define MS_TO_NS(x) (x * 1E6L) #define CAUSEB_DC 27 #define CAUSEF_DC (_ULCAST_(1) << 27) struct kvm; struct kvm_run; struct kvm_vcpu; struct kvm_interrupt; extern atomic_t kvm_mips_instance; extern pfn_t(*kvm_mips_gfn_to_pfn) (struct kvm *kvm, gfn_t gfn); extern void (*kvm_mips_release_pfn_clean) (pfn_t pfn); extern bool(*kvm_mips_is_error_pfn) (pfn_t pfn); struct kvm_vm_stat { u32 remote_tlb_flush; }; struct kvm_vcpu_stat { u32 wait_exits; u32 cache_exits; u32 signal_exits; u32 int_exits; u32 cop_unusable_exits; u32 tlbmod_exits; u32 tlbmiss_ld_exits; u32 tlbmiss_st_exits; u32 addrerr_st_exits; u32 addrerr_ld_exits; u32 syscall_exits; u32 resvd_inst_exits; u32 break_inst_exits; u32 flush_dcache_exits; u32 halt_wakeup; }; enum kvm_mips_exit_types { WAIT_EXITS, CACHE_EXITS, SIGNAL_EXITS, INT_EXITS, COP_UNUSABLE_EXITS, TLBMOD_EXITS, TLBMISS_LD_EXITS, TLBMISS_ST_EXITS, ADDRERR_ST_EXITS, ADDRERR_LD_EXITS, SYSCALL_EXITS, RESVD_INST_EXITS, BREAK_INST_EXITS, FLUSH_DCACHE_EXITS, MAX_KVM_MIPS_EXIT_TYPES }; struct kvm_arch_memory_slot { }; struct kvm_arch { /* Guest GVA->HPA page table */ unsigned long *guest_pmap; unsigned long guest_pmap_npages; /* Wired host TLB used for the commpage */ int commpage_tlb; }; #define N_MIPS_COPROC_REGS 32 #define N_MIPS_COPROC_SEL 8 struct mips_coproc { unsigned long reg[N_MIPS_COPROC_REGS][N_MIPS_COPROC_SEL]; #ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS unsigned long stat[N_MIPS_COPROC_REGS][N_MIPS_COPROC_SEL]; #endif }; /* * Coprocessor 0 register names */ #define MIPS_CP0_TLB_INDEX 0 #define MIPS_CP0_TLB_RANDOM 1 #define MIPS_CP0_TLB_LOW 2 #define MIPS_CP0_TLB_LO0 2 #define MIPS_CP0_TLB_LO1 3 #define MIPS_CP0_TLB_CONTEXT 4 #define MIPS_CP0_TLB_PG_MASK 5 #define MIPS_CP0_TLB_WIRED 6 #define MIPS_CP0_HWRENA 7 #define MIPS_CP0_BAD_VADDR 8 #define MIPS_CP0_COUNT 9 #define MIPS_CP0_TLB_HI 10 #define MIPS_CP0_COMPARE 11 #define MIPS_CP0_STATUS 12 #define MIPS_CP0_CAUSE 13 #define MIPS_CP0_EXC_PC 14 #define MIPS_CP0_PRID 15 #define MIPS_CP0_CONFIG 16 #define MIPS_CP0_LLADDR 17 #define MIPS_CP0_WATCH_LO 18 #define MIPS_CP0_WATCH_HI 19 #define MIPS_CP0_TLB_XCONTEXT 20 #define MIPS_CP0_ECC 26 #define MIPS_CP0_CACHE_ERR 27 #define MIPS_CP0_TAG_LO 28 #define MIPS_CP0_TAG_HI 29 #define MIPS_CP0_ERROR_PC 30 #define MIPS_CP0_DEBUG 23 #define MIPS_CP0_DEPC 24 #define MIPS_CP0_PERFCNT 25 #define MIPS_CP0_ERRCTL 26 #define MIPS_CP0_DATA_LO 28 #define MIPS_CP0_DATA_HI 29 #define MIPS_CP0_DESAVE 31 #define MIPS_CP0_CONFIG_SEL 0 #define MIPS_CP0_CONFIG1_SEL 1 #define MIPS_CP0_CONFIG2_SEL 2 #define MIPS_CP0_CONFIG3_SEL 3 /* Config0 register bits */ #define CP0C0_M 31 #define CP0C0_K23 28 #define CP0C0_KU 25 #define CP0C0_MDU 20 #define CP0C0_MM 17 #define CP0C0_BM 16 #define CP0C0_BE 15 #define CP0C0_AT 13 #define CP0C0_AR 10 #define CP0C0_MT 7 #define CP0C0_VI 3 #define CP0C0_K0 0 /* Config1 register bits */ #define CP0C1_M 31 #define CP0C1_MMU 25 #define CP0C1_IS 22 #define CP0C1_IL 19 #define CP0C1_IA 16 #define CP0C1_DS 13 #define CP0C1_DL 10 #define CP0C1_DA 7 #define CP0C1_C2 6 #define CP0C1_MD 5 #define CP0C1_PC 4 #define CP0C1_WR 3 #define CP0C1_CA 2 #define CP0C1_EP 1 #define CP0C1_FP 0 /* Config2 Register bits */ #define CP0C2_M 31 #define CP0C2_TU 28 #define CP0C2_TS 24 #define CP0C2_TL 20 #define CP0C2_TA 16 #define CP0C2_SU 12 #define CP0C2_SS 8 #define CP0C2_SL 4 #define CP0C2_SA 0 /* Config3 Register bits */ #define CP0C3_M 31 #define CP0C3_ISA_ON_EXC 16 #define CP0C3_ULRI 13 #define CP0C3_DSPP 10 #define CP0C3_LPA 7 #define CP0C3_VEIC 6 #define CP0C3_VInt 5 #define CP0C3_SP 4 #define CP0C3_MT 2 #define CP0C3_SM 1 #define CP0C3_TL 0 /* Have config1, Cacheable, noncoherent, write-back, write allocate*/ #define MIPS_CONFIG0 \ ((1 << CP0C0_M) | (0x3 << CP0C0_K0)) /* Have config2, no coprocessor2 attached, no MDMX support attached, no performance counters, watch registers present, no code compression, EJTAG present, no FPU, no watch registers */ #define MIPS_CONFIG1 \ ((1 << CP0C1_M) | \ (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \ (0 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \ (0 << CP0C1_FP)) /* Have config3, no tertiary/secondary caches implemented */ #define MIPS_CONFIG2 \ ((1 << CP0C2_M)) /* No config4, no DSP ASE, no large physaddr (PABITS), no external interrupt controller, no vectored interrupts, no 1kb pages, no SmartMIPS ASE, no trace logic */ #define MIPS_CONFIG3 \ ((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \ (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \ (0 << CP0C3_SM) | (0 << CP0C3_TL)) /* MMU types, the first four entries have the same layout as the CP0C0_MT field. */ enum mips_mmu_types { MMU_TYPE_NONE, MMU_TYPE_R4000, MMU_TYPE_RESERVED, MMU_TYPE_FMT, MMU_TYPE_R3000, MMU_TYPE_R6000, MMU_TYPE_R8000 }; /* * Trap codes */ #define T_INT 0 /* Interrupt pending */ #define T_TLB_MOD 1 /* TLB modified fault */ #define T_TLB_LD_MISS 2 /* TLB miss on load or ifetch */ #define T_TLB_ST_MISS 3 /* TLB miss on a store */ #define T_ADDR_ERR_LD 4 /* Address error on a load or ifetch */ #define T_ADDR_ERR_ST 5 /* Address error on a store */ #define T_BUS_ERR_IFETCH 6 /* Bus error on an ifetch */ #define T_BUS_ERR_LD_ST 7 /* Bus error on a load or store */ #define T_SYSCALL 8 /* System call */ #define T_BREAK 9 /* Breakpoint */ #define T_RES_INST 10 /* Reserved instruction exception */ #define T_COP_UNUSABLE 11 /* Coprocessor unusable */ #define T_OVFLOW 12 /* Arithmetic overflow */ /* * Trap definitions added for r4000 port. */ #define T_TRAP 13 /* Trap instruction */ #define T_VCEI 14 /* Virtual coherency exception */ #define T_FPE 15 /* Floating point exception */ #define T_WATCH 23 /* Watch address reference */ #define T_VCED 31 /* Virtual coherency data */ /* Resume Flags */ #define RESUME_FLAG_DR (1<<0) /* Reload guest nonvolatile state? */ #define RESUME_FLAG_HOST (1<<1) /* Resume host? */ #define RESUME_GUEST 0 #define RESUME_GUEST_DR RESUME_FLAG_DR #define RESUME_HOST RESUME_FLAG_HOST enum emulation_result { EMULATE_DONE, /* no further processing */ EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ EMULATE_FAIL, /* can't emulate this instruction */ EMULATE_WAIT, /* WAIT instruction */ EMULATE_PRIV_FAIL, }; #define MIPS3_PG_G 0x00000001 /* Global; ignore ASID if in lo0 & lo1 */ #define MIPS3_PG_V 0x00000002 /* Valid */ #define MIPS3_PG_NV 0x00000000 #define MIPS3_PG_D 0x00000004 /* Dirty */ #define mips3_paddr_to_tlbpfn(x) \ (((unsigned long)(x) >> MIPS3_PG_SHIFT) & MIPS3_PG_FRAME) #define mips3_tlbpfn_to_paddr(x) \ ((unsigned long)((x) & MIPS3_PG_FRAME) << MIPS3_PG_SHIFT) #define MIPS3_PG_SHIFT 6 #define MIPS3_PG_FRAME 0x3fffffc0 #define VPN2_MASK 0xffffe000 #define TLB_IS_GLOBAL(x) (((x).tlb_lo0 & MIPS3_PG_G) && \ ((x).tlb_lo1 & MIPS3_PG_G)) #define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK) #define TLB_ASID(x) ((x).tlb_hi & ASID_MASK) #define TLB_IS_VALID(x, va) (((va) & (1 << PAGE_SHIFT)) \ ? ((x).tlb_lo1 & MIPS3_PG_V) \ : ((x).tlb_lo0 & MIPS3_PG_V)) struct kvm_mips_tlb { long tlb_mask; long tlb_hi; long tlb_lo0; long tlb_lo1; }; #define KVM_MIPS_GUEST_TLB_SIZE 64 struct kvm_vcpu_arch { void *host_ebase, *guest_ebase; unsigned long host_stack; unsigned long host_gp; /* Host CP0 registers used when handling exits from guest */ unsigned long host_cp0_badvaddr; unsigned long host_cp0_cause; unsigned long host_cp0_epc; unsigned long host_cp0_entryhi; uint32_t guest_inst; /* GPRS */ unsigned long gprs[32]; unsigned long hi; unsigned long lo; unsigned long pc; /* FPU State */ struct mips_fpu_struct fpu; /* COP0 State */ struct mips_coproc *cop0; /* Host KSEG0 address of the EI/DI offset */ void *kseg0_commpage; u32 io_gpr; /* GPR used as IO source/target */ /* Used to calibrate the virutal count register for the guest */ int32_t host_cp0_count; /* Bitmask of exceptions that are pending */ unsigned long pending_exceptions; /* Bitmask of pending exceptions to be cleared */ unsigned long pending_exceptions_clr; unsigned long pending_load_cause; /* Save/Restore the entryhi register when are are preempted/scheduled back in */ unsigned long preempt_entryhi; /* S/W Based TLB for guest */ struct kvm_mips_tlb guest_tlb[KVM_MIPS_GUEST_TLB_SIZE]; /* Cached guest kernel/user ASIDs */ uint32_t guest_user_asid[NR_CPUS]; uint32_t guest_kernel_asid[NR_CPUS]; struct mm_struct guest_kernel_mm, guest_user_mm; struct hrtimer comparecount_timer; int last_sched_cpu; /* WAIT executed */ int wait; }; #define kvm_read_c0_guest_index(cop0) (cop0->reg[MIPS_CP0_TLB_INDEX][0]) #define kvm_write_c0_guest_index(cop0, val) (cop0->reg[MIPS_CP0_TLB_INDEX][0] = val) #define kvm_read_c0_guest_entrylo0(cop0) (cop0->reg[MIPS_CP0_TLB_LO0][0]) #define kvm_read_c0_guest_entrylo1(cop0) (cop0->reg[MIPS_CP0_TLB_LO1][0]) #define kvm_read_c0_guest_context(cop0) (cop0->reg[MIPS_CP0_TLB_CONTEXT][0]) #define kvm_write_c0_guest_context(cop0, val) (cop0->reg[MIPS_CP0_TLB_CONTEXT][0] = (val)) #define kvm_read_c0_guest_userlocal(cop0) (cop0->reg[MIPS_CP0_TLB_CONTEXT][2]) #define kvm_read_c0_guest_pagemask(cop0) (cop0->reg[MIPS_CP0_TLB_PG_MASK][0]) #define kvm_write_c0_guest_pagemask(cop0, val) (cop0->reg[MIPS_CP0_TLB_PG_MASK][0] = (val)) #define kvm_read_c0_guest_wired(cop0) (cop0->reg[MIPS_CP0_TLB_WIRED][0]) #define kvm_write_c0_guest_wired(cop0, val) (cop0->reg[MIPS_CP0_TLB_WIRED][0] = (val)) #define kvm_read_c0_guest_badvaddr(cop0) (cop0->reg[MIPS_CP0_BAD_VADDR][0]) #define kvm_write_c0_guest_badvaddr(cop0, val) (cop0->reg[MIPS_CP0_BAD_VADDR][0] = (val)) #define kvm_read_c0_guest_count(cop0) (cop0->reg[MIPS_CP0_COUNT][0]) #define kvm_write_c0_guest_count(cop0, val) (cop0->reg[MIPS_CP0_COUNT][0] = (val)) #define kvm_read_c0_guest_entryhi(cop0) (cop0->reg[MIPS_CP0_TLB_HI][0]) #define kvm_write_c0_guest_entryhi(cop0, val) (cop0->reg[MIPS_CP0_TLB_HI][0] = (val)) #define kvm_read_c0_guest_compare(cop0) (cop0->reg[MIPS_CP0_COMPARE][0]) #define kvm_write_c0_guest_compare(cop0, val) (cop0->reg[MIPS_CP0_COMPARE][0] = (val)) #define kvm_read_c0_guest_status(cop0) (cop0->reg[MIPS_CP0_STATUS][0]) #define kvm_write_c0_guest_status(cop0, val) (cop0->reg[MIPS_CP0_STATUS][0] = (val)) #define kvm_read_c0_guest_intctl(cop0) (cop0->reg[MIPS_CP0_STATUS][1]) #define kvm_write_c0_guest_intctl(cop0, val) (cop0->reg[MIPS_CP0_STATUS][1] = (val)) #define kvm_read_c0_guest_cause(cop0) (cop0->reg[MIPS_CP0_CAUSE][0]) #define kvm_write_c0_guest_cause(cop0, val) (cop0->reg[MIPS_CP0_CAUSE][0] = (val)) #define kvm_read_c0_guest_epc(cop0) (cop0->reg[MIPS_CP0_EXC_PC][0]) #define kvm_write_c0_guest_epc(cop0, val) (cop0->reg[MIPS_CP0_EXC_PC][0] = (val)) #define kvm_read_c0_guest_prid(cop0) (cop0->reg[MIPS_CP0_PRID][0]) #define kvm_write_c0_guest_prid(cop0, val) (cop0->reg[MIPS_CP0_PRID][0] = (val)) #define kvm_read_c0_guest_ebase(cop0) (cop0->reg[MIPS_CP0_PRID][1]) #define kvm_write_c0_guest_ebase(cop0, val) (cop0->reg[MIPS_CP0_PRID][1] = (val)) #define kvm_read_c0_guest_config(cop0) (cop0->reg[MIPS_CP0_CONFIG][0]) #define kvm_read_c0_guest_config1(cop0) (cop0->reg[MIPS_CP0_CONFIG][1]) #define kvm_read_c0_guest_config2(cop0) (cop0->reg[MIPS_CP0_CONFIG][2]) #define kvm_read_c0_guest_config3(cop0) (cop0->reg[MIPS_CP0_CONFIG][3]) #define kvm_read_c0_guest_config7(cop0) (cop0->reg[MIPS_CP0_CONFIG][7]) #define kvm_write_c0_guest_config(cop0, val) (cop0->reg[MIPS_CP0_CONFIG][0] = (val)) #define kvm_write_c0_guest_config1(cop0, val) (cop0->reg[MIPS_CP0_CONFIG][1] = (val)) #define kvm_write_c0_guest_config2(cop0, val) (cop0->reg[MIPS_CP0_CONFIG][2] = (val)) #define kvm_write_c0_guest_config3(cop0, val) (cop0->reg[MIPS_CP0_CONFIG][3] = (val)) #define kvm_write_c0_guest_config7(cop0, val) (cop0->reg[MIPS_CP0_CONFIG][7] = (val)) #define kvm_read_c0_guest_errorepc(cop0) (cop0->reg[MIPS_CP0_ERROR_PC][0]) #define kvm_write_c0_guest_errorepc(cop0, val) (cop0->reg[MIPS_CP0_ERROR_PC][0] = (val)) #define kvm_set_c0_guest_status(cop0, val) (cop0->reg[MIPS_CP0_STATUS][0] |= (val)) #define kvm_clear_c0_guest_status(cop0, val) (cop0->reg[MIPS_CP0_STATUS][0] &= ~(val)) #define kvm_set_c0_guest_cause(cop0, val) (cop0->reg[MIPS_CP0_CAUSE][0] |= (val)) #define kvm_clear_c0_guest_cause(cop0, val) (cop0->reg[MIPS_CP0_CAUSE][0] &= ~(val)) #define kvm_change_c0_guest_cause(cop0, change, val) \ { \ kvm_clear_c0_guest_cause(cop0, change); \ kvm_set_c0_guest_cause(cop0, ((val) & (change))); \ } #define kvm_set_c0_guest_ebase(cop0, val) (cop0->reg[MIPS_CP0_PRID][1] |= (val)) #define kvm_clear_c0_guest_ebase(cop0, val) (cop0->reg[MIPS_CP0_PRID][1] &= ~(val)) #define kvm_change_c0_guest_ebase(cop0, change, val) \ { \ kvm_clear_c0_guest_ebase(cop0, change); \ kvm_set_c0_guest_ebase(cop0, ((val) & (change))); \ } struct kvm_mips_callbacks { int (*handle_cop_unusable) (struct kvm_vcpu *vcpu); int (*handle_tlb_mod) (struct kvm_vcpu *vcpu); int (*handle_tlb_ld_miss) (struct kvm_vcpu *vcpu); int (*handle_tlb_st_miss) (struct kvm_vcpu *vcpu); int (*handle_addr_err_st) (struct kvm_vcpu *vcpu); int (*handle_addr_err_ld) (struct kvm_vcpu *vcpu); int (*handle_syscall) (struct kvm_vcpu *vcpu); int (*handle_res_inst) (struct kvm_vcpu *vcpu); int (*handle_break) (struct kvm_vcpu *vcpu); int (*vm_init) (struct kvm *kvm); int (*vcpu_init) (struct kvm_vcpu *vcpu); int (*vcpu_setup) (struct kvm_vcpu *vcpu); gpa_t(*gva_to_gpa) (gva_t gva); void (*queue_timer_int) (struct kvm_vcpu *vcpu); void (*dequeue_timer_int) (struct kvm_vcpu *vcpu); void (*queue_io_int) (struct kvm_vcpu *vcpu, struct kvm_mips_interrupt *irq); void (*dequeue_io_int) (struct kvm_vcpu *vcpu, struct kvm_mips_interrupt *irq); int (*irq_deliver) (struct kvm_vcpu *vcpu, unsigned int priority, uint32_t cause); int (*irq_clear) (struct kvm_vcpu *vcpu, unsigned int priority, uint32_t cause); }; extern struct kvm_mips_callbacks *kvm_mips_callbacks; int kvm_mips_emulation_init(struct kvm_mips_callbacks **install_callbacks); /* Debug: dump vcpu state */ int kvm_arch_vcpu_dump_regs(struct kvm_vcpu *vcpu); /* Trampoline ASM routine to start running in "Guest" context */ extern int __kvm_mips_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu); /* TLB handling */ uint32_t kvm_get_kernel_asid(struct kvm_vcpu *vcpu); uint32_t kvm_get_user_asid(struct kvm_vcpu *vcpu); uint32_t kvm_get_commpage_asid (struct kvm_vcpu *vcpu); extern int kvm_mips_handle_kseg0_tlb_fault(unsigned long badbaddr, struct kvm_vcpu *vcpu); extern int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr, struct kvm_vcpu *vcpu); extern int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu, struct kvm_mips_tlb *tlb, unsigned long *hpa0, unsigned long *hpa1); extern enum emulation_result kvm_mips_handle_tlbmiss(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_handle_tlbmod(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern void kvm_mips_dump_host_tlbs(void); extern void kvm_mips_dump_guest_tlbs(struct kvm_vcpu *vcpu); extern void kvm_mips_flush_host_tlb(int skip_kseg0); extern int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long entryhi); extern int kvm_mips_host_tlb_inv_index(struct kvm_vcpu *vcpu, int index); extern int kvm_mips_guest_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long entryhi); extern int kvm_mips_host_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long vaddr); extern unsigned long kvm_mips_translate_guest_kseg0_to_hpa(struct kvm_vcpu *vcpu, unsigned long gva); extern void kvm_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu, struct kvm_vcpu *vcpu); extern void kvm_local_flush_tlb_all(void); extern void kvm_mips_alloc_new_mmu_context(struct kvm_vcpu *vcpu); extern void kvm_mips_vcpu_load(struct kvm_vcpu *vcpu, int cpu); extern void kvm_mips_vcpu_put(struct kvm_vcpu *vcpu); /* Emulation */ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu); enum emulation_result update_pc(struct kvm_vcpu *vcpu, uint32_t cause); extern enum emulation_result kvm_mips_emulate_inst(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_syscall(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_tlbmiss_ld(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_tlbinv_ld(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_tlbmiss_st(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_tlbinv_st(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_tlbmod(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_fpu_exc(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_handle_ri(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_ri_exc(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_emulate_bp_exc(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, struct kvm_run *run); enum emulation_result kvm_mips_emulate_count(struct kvm_vcpu *vcpu); enum emulation_result kvm_mips_check_privilege(unsigned long cause, uint32_t *opc, struct kvm_run *run, struct kvm_vcpu *vcpu); enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, uint32_t cause, struct kvm_run *run, struct kvm_vcpu *vcpu); enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc, uint32_t cause, struct kvm_run *run, struct kvm_vcpu *vcpu); enum emulation_result kvm_mips_emulate_store(uint32_t inst, uint32_t cause, struct kvm_run *run, struct kvm_vcpu *vcpu); enum emulation_result kvm_mips_emulate_load(uint32_t inst, uint32_t cause, struct kvm_run *run, struct kvm_vcpu *vcpu); /* Dynamic binary translation */ extern int kvm_mips_trans_cache_index(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu); extern int kvm_mips_trans_cache_va(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu); extern int kvm_mips_trans_mfc0(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu); extern int kvm_mips_trans_mtc0(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu); /* Misc */ extern void mips32_SyncICache(unsigned long addr, unsigned long size); extern int kvm_mips_dump_stats(struct kvm_vcpu *vcpu); extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); #endif /* __MIPS_KVM_HOST_H__ */