/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Copyright IBM Corp. 2007 * * Authors: Hollis Blanchard */ #ifndef __POWERPC_KVM_HOST_H__ #define __POWERPC_KVM_HOST_H__ #include #include #include #include #include #include #include #define KVM_MAX_VCPUS 1 #define KVM_MEMORY_SLOTS 32 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 4 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 /* We don't currently support large pages. */ #define KVM_HPAGE_GFN_SHIFT(x) 0 #define KVM_NR_PAGE_SIZES 1 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) #define HPTEG_CACHE_NUM (1 << 15) #define HPTEG_HASH_BITS_PTE 13 #define HPTEG_HASH_BITS_PTE_LONG 12 #define HPTEG_HASH_BITS_VPTE 13 #define HPTEG_HASH_BITS_VPTE_LONG 5 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) /* Physical Address Mask - allowed range of real mode RAM access */ #define KVM_PAM 0x0fffffffffffffffULL struct kvm; struct kvm_run; struct kvm_vcpu; struct kvm_vm_stat { u32 remote_tlb_flush; }; struct kvm_vcpu_stat { u32 sum_exits; u32 mmio_exits; u32 dcr_exits; u32 signal_exits; u32 light_exits; /* Account for special types of light exits: */ u32 itlb_real_miss_exits; u32 itlb_virt_miss_exits; u32 dtlb_real_miss_exits; u32 dtlb_virt_miss_exits; u32 syscall_exits; u32 isi_exits; u32 dsi_exits; u32 emulated_inst_exits; u32 dec_exits; u32 ext_intr_exits; u32 halt_wakeup; #ifdef CONFIG_PPC_BOOK3S u32 pf_storage; u32 pf_instruc; u32 sp_storage; u32 sp_instruc; u32 queue_intr; u32 ld; u32 ld_slow; u32 st; u32 st_slow; #endif }; enum kvm_exit_types { MMIO_EXITS, DCR_EXITS, SIGNAL_EXITS, ITLB_REAL_MISS_EXITS, ITLB_VIRT_MISS_EXITS, DTLB_REAL_MISS_EXITS, DTLB_VIRT_MISS_EXITS, SYSCALL_EXITS, ISI_EXITS, DSI_EXITS, EMULATED_INST_EXITS, EMULATED_MTMSRWE_EXITS, EMULATED_WRTEE_EXITS, EMULATED_MTSPR_EXITS, EMULATED_MFSPR_EXITS, EMULATED_MTMSR_EXITS, EMULATED_MFMSR_EXITS, EMULATED_TLBSX_EXITS, EMULATED_TLBWE_EXITS, EMULATED_RFI_EXITS, DEC_EXITS, EXT_INTR_EXITS, HALT_WAKEUP, USR_PR_INST, FP_UNAVAIL, DEBUG_EXITS, TIMEINGUEST, __NUMBER_OF_KVM_EXIT_TYPES }; /* allow access to big endian 32bit upper/lower parts and 64bit var */ struct kvmppc_exit_timing { union { u64 tv64; struct { u32 tbu, tbl; } tv32; }; }; struct kvm_arch { }; struct kvmppc_pte { ulong eaddr; u64 vpage; ulong raddr; bool may_read : 1; bool may_write : 1; bool may_execute : 1; }; struct kvmppc_mmu { /* book3s_64 only */ void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); void (*slbia)(struct kvm_vcpu *vcpu); /* book3s */ void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); void (*reset_msr)(struct kvm_vcpu *vcpu); void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); bool (*is_dcbz32)(struct kvm_vcpu *vcpu); }; struct hpte_cache { struct hlist_node list_pte; struct hlist_node list_pte_long; struct hlist_node list_vpte; struct hlist_node list_vpte_long; struct rcu_head rcu_head; u64 host_va; u64 pfn; ulong slot; struct kvmppc_pte pte; }; struct kvm_vcpu_arch { ulong host_stack; u32 host_pid; #ifdef CONFIG_PPC_BOOK3S ulong host_msr; ulong host_r2; void *host_retip; ulong trampoline_lowmem; ulong trampoline_enter; ulong highmem_handler; ulong rmcall; ulong host_paca_phys; struct kvmppc_mmu mmu; #endif ulong gpr[32]; u64 fpr[32]; u64 fpscr; #ifdef CONFIG_ALTIVEC vector128 vr[32]; vector128 vscr; #endif #ifdef CONFIG_VSX u64 vsr[32]; #endif #ifdef CONFIG_PPC_BOOK3S /* For Gekko paired singles */ u32 qpr[32]; #endif #ifdef CONFIG_BOOKE ulong pc; ulong ctr; ulong lr; ulong xer; u32 cr; #endif #ifdef CONFIG_PPC_BOOK3S ulong shadow_msr; ulong hflags; ulong guest_owned_ext; #endif u32 mmucr; ulong sprg4; ulong sprg5; ulong sprg6; ulong sprg7; ulong csrr0; ulong csrr1; ulong dsrr0; ulong dsrr1; ulong esr; u32 dec; u32 decar; u32 tbl; u32 tbu; u32 tcr; u32 tsr; u32 ivor[64]; ulong ivpr; u32 pir; u32 pvr; u32 shadow_pid; u32 pid; u32 swap_pid; u32 ccr0; u32 ccr1; u32 dbcr0; u32 dbcr1; u32 dbsr; #ifdef CONFIG_KVM_EXIT_TIMING struct mutex exit_timing_lock; struct kvmppc_exit_timing timing_exit; struct kvmppc_exit_timing timing_last_enter; u32 last_exit_type; u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; u64 timing_last_exit; struct dentry *debugfs_exit_timing; #endif #ifdef CONFIG_BOOKE u32 last_inst; ulong fault_dear; ulong fault_esr; ulong queued_dear; ulong queued_esr; #endif gpa_t paddr_accessed; u8 io_gpr; /* GPR used as IO source/target */ u8 mmio_is_bigendian; u8 mmio_sign_extend; u8 dcr_needed; u8 dcr_is_write; u8 osi_needed; u8 osi_enabled; u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ struct hrtimer dec_timer; struct tasklet_struct tasklet; u64 dec_jiffies; unsigned long pending_exceptions; struct kvm_vcpu_arch_shared *shared; unsigned long magic_page_pa; /* phys addr to map the magic page to */ unsigned long magic_page_ea; /* effect. addr to map the magic page to */ #ifdef CONFIG_PPC_BOOK3S struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; int hpte_cache_count; spinlock_t mmu_lock; #endif }; #endif /* __POWERPC_KVM_HOST_H__ */