| /* |
| * 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 <hollisb@us.ibm.com> |
| */ |
| |
| #ifndef __POWERPC_KVM_HOST_H__ |
| #define __POWERPC_KVM_HOST_H__ |
| |
| #include <linux/mutex.h> |
| #include <linux/hrtimer.h> |
| #include <linux/interrupt.h> |
| #include <linux/types.h> |
| #include <linux/kvm_types.h> |
| #include <asm/kvm_asm.h> |
| |
| #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_VPTE 13 |
| #define HPTEG_HASH_BITS_VPTE_LONG 5 |
| #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) |
| #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) |
| #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) |
| |
| 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_vpte; |
| struct hlist_node list_vpte_long; |
| 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 |
| |
| ulong msr; |
| #ifdef CONFIG_PPC_BOOK3S |
| ulong shadow_msr; |
| ulong hflags; |
| ulong guest_owned_ext; |
| #endif |
| u32 mmucr; |
| ulong sprg0; |
| ulong sprg1; |
| ulong sprg2; |
| ulong sprg3; |
| ulong sprg4; |
| ulong sprg5; |
| ulong sprg6; |
| ulong sprg7; |
| ulong srr0; |
| ulong srr1; |
| ulong csrr0; |
| ulong csrr1; |
| ulong dsrr0; |
| ulong dsrr1; |
| ulong dear; |
| 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 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; |
| |
| #ifdef CONFIG_PPC_BOOK3S |
| struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; |
| 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; |
| #endif |
| }; |
| |
| #endif /* __POWERPC_KVM_HOST_H__ */ |
