14e342025SAlexander Graf /* 24e342025SAlexander Graf * This program is free software; you can redistribute it and/or modify 34e342025SAlexander Graf * it under the terms of the GNU General Public License, version 2, as 44e342025SAlexander Graf * published by the Free Software Foundation. 54e342025SAlexander Graf * 64e342025SAlexander Graf * This program is distributed in the hope that it will be useful, 74e342025SAlexander Graf * but WITHOUT ANY WARRANTY; without even the implied warranty of 84e342025SAlexander Graf * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 94e342025SAlexander Graf * GNU General Public License for more details. 104e342025SAlexander Graf * 114e342025SAlexander Graf * You should have received a copy of the GNU General Public License 124e342025SAlexander Graf * along with this program; if not, write to the Free Software 134e342025SAlexander Graf * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 144e342025SAlexander Graf * 154e342025SAlexander Graf * Copyright SUSE Linux Products GmbH 2009 164e342025SAlexander Graf * 174e342025SAlexander Graf * Authors: Alexander Graf <agraf@suse.de> 184e342025SAlexander Graf */ 194e342025SAlexander Graf 204e342025SAlexander Graf #ifndef __ASM_KVM_BOOK3S_H__ 214e342025SAlexander Graf #define __ASM_KVM_BOOK3S_H__ 224e342025SAlexander Graf 234e342025SAlexander Graf #include <linux/types.h> 244e342025SAlexander Graf #include <linux/kvm_host.h> 252191d657SAlexander Graf #include <asm/kvm_book3s_asm.h> 264e342025SAlexander Graf 274e342025SAlexander Graf struct kvmppc_bat { 28e15a1137SAlexander Graf u64 raw; 294e342025SAlexander Graf u32 bepi; 304e342025SAlexander Graf u32 bepi_mask; 314e342025SAlexander Graf u32 brpn; 324e342025SAlexander Graf u8 wimg; 334e342025SAlexander Graf u8 pp; 343ed9c6d2SAlexander Graf bool vs : 1; 353ed9c6d2SAlexander Graf bool vp : 1; 364e342025SAlexander Graf }; 374e342025SAlexander Graf 384e342025SAlexander Graf struct kvmppc_sid_map { 394e342025SAlexander Graf u64 guest_vsid; 404e342025SAlexander Graf u64 guest_esid; 414e342025SAlexander Graf u64 host_vsid; 423ed9c6d2SAlexander Graf bool valid : 1; 434e342025SAlexander Graf }; 444e342025SAlexander Graf 454e342025SAlexander Graf #define SID_MAP_BITS 9 464e342025SAlexander Graf #define SID_MAP_NUM (1 << SID_MAP_BITS) 474e342025SAlexander Graf #define SID_MAP_MASK (SID_MAP_NUM - 1) 484e342025SAlexander Graf 498b6db3bcSAlexander Graf #ifdef CONFIG_PPC_BOOK3S_64 508b6db3bcSAlexander Graf #define SID_CONTEXTS 1 518b6db3bcSAlexander Graf #else 528b6db3bcSAlexander Graf #define SID_CONTEXTS 128 538b6db3bcSAlexander Graf #define VSID_POOL_SIZE (SID_CONTEXTS * 16) 548b6db3bcSAlexander Graf #endif 558b6db3bcSAlexander Graf 56c4befc58SPaul Mackerras struct hpte_cache { 57c4befc58SPaul Mackerras struct hlist_node list_pte; 58c4befc58SPaul Mackerras struct hlist_node list_pte_long; 59c4befc58SPaul Mackerras struct hlist_node list_vpte; 60c4befc58SPaul Mackerras struct hlist_node list_vpte_long; 61a4a0f252SPaul Mackerras #ifdef CONFIG_PPC_BOOK3S_64 62a4a0f252SPaul Mackerras struct hlist_node list_vpte_64k; 63a4a0f252SPaul Mackerras #endif 64c4befc58SPaul Mackerras struct rcu_head rcu_head; 655524a27dSAneesh Kumar K.V u64 host_vpn; 66c4befc58SPaul Mackerras u64 pfn; 67c4befc58SPaul Mackerras ulong slot; 68c4befc58SPaul Mackerras struct kvmppc_pte pte; 69c9029c34SPaul Mackerras int pagesize; 70c4befc58SPaul Mackerras }; 71c4befc58SPaul Mackerras 72e64fb7e2SSuraj Jitindar Singh /* 73e64fb7e2SSuraj Jitindar Singh * Struct for a virtual core. 74e64fb7e2SSuraj Jitindar Singh * Note: entry_exit_map combines a bitmap of threads that have entered 75e64fb7e2SSuraj Jitindar Singh * in the bottom 8 bits and a bitmap of threads that have exited in the 76e64fb7e2SSuraj Jitindar Singh * next 8 bits. This is so that we can atomically set the entry bit 77e64fb7e2SSuraj Jitindar Singh * iff the exit map is 0 without taking a lock. 78e64fb7e2SSuraj Jitindar Singh */ 79e64fb7e2SSuraj Jitindar Singh struct kvmppc_vcore { 80e64fb7e2SSuraj Jitindar Singh int n_runnable; 81e64fb7e2SSuraj Jitindar Singh int num_threads; 82e64fb7e2SSuraj Jitindar Singh int entry_exit_map; 83e64fb7e2SSuraj Jitindar Singh int napping_threads; 84e64fb7e2SSuraj Jitindar Singh int first_vcpuid; 85e64fb7e2SSuraj Jitindar Singh u16 pcpu; 86e64fb7e2SSuraj Jitindar Singh u16 last_cpu; 87e64fb7e2SSuraj Jitindar Singh u8 vcore_state; 88e64fb7e2SSuraj Jitindar Singh u8 in_guest; 89e64fb7e2SSuraj Jitindar Singh struct kvmppc_vcore *master_vcore; 907b5f8272SSuraj Jitindar Singh struct kvm_vcpu *runnable_threads[MAX_SMT_THREADS]; 91e64fb7e2SSuraj Jitindar Singh struct list_head preempt_list; 92e64fb7e2SSuraj Jitindar Singh spinlock_t lock; 93e64fb7e2SSuraj Jitindar Singh struct swait_queue_head wq; 94e64fb7e2SSuraj Jitindar Singh spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ 95e64fb7e2SSuraj Jitindar Singh u64 stolen_tb; 96e64fb7e2SSuraj Jitindar Singh u64 preempt_tb; 97e64fb7e2SSuraj Jitindar Singh struct kvm_vcpu *runner; 98e64fb7e2SSuraj Jitindar Singh struct kvm *kvm; 99e64fb7e2SSuraj Jitindar Singh u64 tb_offset; /* guest timebase - host timebase */ 100e64fb7e2SSuraj Jitindar Singh ulong lpcr; 101e64fb7e2SSuraj Jitindar Singh u32 arch_compat; 102e64fb7e2SSuraj Jitindar Singh ulong pcr; 103e64fb7e2SSuraj Jitindar Singh ulong dpdes; /* doorbell state (POWER8) */ 10488b02cf9SPaul Mackerras ulong vtb; /* virtual timebase */ 105e64fb7e2SSuraj Jitindar Singh ulong conferring_threads; 1060cda69ddSSuraj Jitindar Singh unsigned int halt_poll_ns; 107e64fb7e2SSuraj Jitindar Singh }; 108e64fb7e2SSuraj Jitindar Singh 1094e342025SAlexander Graf struct kvmppc_vcpu_book3s { 1104e342025SAlexander Graf struct kvmppc_sid_map sid_map[SID_MAP_NUM]; 1114e342025SAlexander Graf struct { 1124e342025SAlexander Graf u64 esid; 1134e342025SAlexander Graf u64 vsid; 1144e342025SAlexander Graf } slb_shadow[64]; 1154e342025SAlexander Graf u8 slb_shadow_max; 1164e342025SAlexander Graf struct kvmppc_bat ibat[8]; 1174e342025SAlexander Graf struct kvmppc_bat dbat[8]; 1184e342025SAlexander Graf u64 hid[6]; 119d6d549b2SAlexander Graf u64 gqr[8]; 1204e342025SAlexander Graf u64 sdr1; 1214e342025SAlexander Graf u64 hior; 1224e342025SAlexander Graf u64 msr_mask; 12388b02cf9SPaul Mackerras u64 vtb; 1248b6db3bcSAlexander Graf #ifdef CONFIG_PPC_BOOK3S_32 1258b6db3bcSAlexander Graf u32 vsid_pool[VSID_POOL_SIZE]; 126ffe36492SBenjamin Herrenschmidt u32 vsid_next; 1278b6db3bcSAlexander Graf #else 128ffe36492SBenjamin Herrenschmidt u64 proto_vsid_first; 129ffe36492SBenjamin Herrenschmidt u64 proto_vsid_max; 130ffe36492SBenjamin Herrenschmidt u64 proto_vsid_next; 1318b6db3bcSAlexander Graf #endif 1328b6db3bcSAlexander Graf int context_id[SID_CONTEXTS]; 133c4befc58SPaul Mackerras 1341022fc3dSAlexander Graf bool hior_explicit; /* HIOR is set by ioctl, not PVR */ 1351022fc3dSAlexander Graf 136c4befc58SPaul Mackerras struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; 137c4befc58SPaul Mackerras struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; 138c4befc58SPaul Mackerras struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; 139c4befc58SPaul Mackerras struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; 140a4a0f252SPaul Mackerras #ifdef CONFIG_PPC_BOOK3S_64 141a4a0f252SPaul Mackerras struct hlist_head hpte_hash_vpte_64k[HPTEG_HASH_NUM_VPTE_64K]; 142a4a0f252SPaul Mackerras #endif 143c4befc58SPaul Mackerras int hpte_cache_count; 144c4befc58SPaul Mackerras spinlock_t mmu_lock; 1454e342025SAlexander Graf }; 1464e342025SAlexander Graf 147c9029c34SPaul Mackerras #define VSID_REAL 0x07ffffffffc00000ULL 148c9029c34SPaul Mackerras #define VSID_BAT 0x07ffffffffb00000ULL 149c9029c34SPaul Mackerras #define VSID_64K 0x0800000000000000ULL 1500f296829SPaul Mackerras #define VSID_1T 0x1000000000000000ULL 151f7bc74e1SAlexander Graf #define VSID_REAL_DR 0x2000000000000000ULL 152f7bc74e1SAlexander Graf #define VSID_REAL_IR 0x4000000000000000ULL 1535a1b419fSAlexander Graf #define VSID_PR 0x8000000000000000ULL 1544e342025SAlexander Graf 155af7b4d10SAlexander Graf extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask); 1564e342025SAlexander Graf extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); 157af7b4d10SAlexander Graf extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end); 1584e342025SAlexander Graf extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); 1594e342025SAlexander Graf extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); 1604e342025SAlexander Graf extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); 161de56a948SPaul Mackerras extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu); 16293b159b4SPaul Mackerras extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte, 16393b159b4SPaul Mackerras bool iswrite); 16493b159b4SPaul Mackerras extern void kvmppc_mmu_unmap_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); 1654e342025SAlexander Graf extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); 1660f296829SPaul Mackerras extern void kvmppc_mmu_flush_segment(struct kvm_vcpu *vcpu, ulong eaddr, ulong seg_size); 1674e342025SAlexander Graf extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); 168697d3899SPaul Mackerras extern int kvmppc_book3s_hv_page_fault(struct kvm_run *run, 169697d3899SPaul Mackerras struct kvm_vcpu *vcpu, unsigned long addr, 170697d3899SPaul Mackerras unsigned long status); 171697d3899SPaul Mackerras extern long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, 172697d3899SPaul Mackerras unsigned long slb_v, unsigned long valid); 1735a319350SPaul Mackerras extern int kvmppc_hv_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu, 1745a319350SPaul Mackerras unsigned long gpa, gva_t ea, int is_store); 175fef093beSAlexander Graf 176fef093beSAlexander Graf extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); 177fef093beSAlexander Graf extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); 178d78bca72SPaul Mackerras extern void kvmppc_mmu_hpte_cache_free(struct hpte_cache *pte); 179fef093beSAlexander Graf extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu); 180fef093beSAlexander Graf extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu); 181fef093beSAlexander Graf extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte); 182fef093beSAlexander Graf extern int kvmppc_mmu_hpte_sysinit(void); 183fef093beSAlexander Graf extern void kvmppc_mmu_hpte_sysexit(void); 184de56a948SPaul Mackerras extern int kvmppc_mmu_hv_init(void); 185ae2113a4SPaul Mackerras extern int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hc); 186fef093beSAlexander Graf 1875a319350SPaul Mackerras extern int kvmppc_book3s_radix_page_fault(struct kvm_run *run, 1885a319350SPaul Mackerras struct kvm_vcpu *vcpu, 1895a319350SPaul Mackerras unsigned long ea, unsigned long dsisr); 1909e04ba69SPaul Mackerras extern int kvmppc_mmu_radix_xlate(struct kvm_vcpu *vcpu, gva_t eaddr, 1919e04ba69SPaul Mackerras struct kvmppc_pte *gpte, bool data, bool iswrite); 1928cf4ecc0SPaul Mackerras extern int kvmppc_init_vm_radix(struct kvm *kvm); 1935a319350SPaul Mackerras extern void kvmppc_free_radix(struct kvm *kvm); 1945a319350SPaul Mackerras extern int kvmppc_radix_init(void); 1955a319350SPaul Mackerras extern void kvmppc_radix_exit(void); 19601756099SPaul Mackerras extern int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, 19701756099SPaul Mackerras unsigned long gfn); 19801756099SPaul Mackerras extern int kvm_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, 19901756099SPaul Mackerras unsigned long gfn); 20001756099SPaul Mackerras extern int kvm_test_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot, 20101756099SPaul Mackerras unsigned long gfn); 2028f7b79b8SPaul Mackerras extern long kvmppc_hv_get_dirty_log_radix(struct kvm *kvm, 2038f7b79b8SPaul Mackerras struct kvm_memory_slot *memslot, unsigned long *map); 2048cf4ecc0SPaul Mackerras extern int kvmhv_get_rmmu_info(struct kvm *kvm, struct kvm_ppc_rmmu_info *info); 2059e04ba69SPaul Mackerras 20635c4a733SAlexander Graf /* XXX remove this export when load_last_inst() is generic */ 2075467a97dSAlexander Graf extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); 2084e342025SAlexander Graf extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); 209bc5ad3f3SBenjamin Herrenschmidt extern void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu, 210bc5ad3f3SBenjamin Herrenschmidt unsigned int vec); 211de56a948SPaul Mackerras extern void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags); 212e15a1137SAlexander Graf extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, 213e15a1137SAlexander Graf bool upper, u32 val); 214aba3bd7fSAlexander Graf extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); 215831317b6SAlexander Graf extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); 216ba049e93SDan Williams extern kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, 217ba049e93SDan Williams bool writing, bool *writable); 218342d3db7SPaul Mackerras extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev, 219342d3db7SPaul Mackerras unsigned long *rmap, long pte_index, int realmode); 22008fe1e7bSPaul Mackerras extern void kvmppc_update_rmap_change(unsigned long *rmap, unsigned long psize); 2216f22bd32SAlexander Graf extern void kvmppc_invalidate_hpte(struct kvm *kvm, __be64 *hptep, 222342d3db7SPaul Mackerras unsigned long pte_index); 2236f22bd32SAlexander Graf void kvmppc_clear_ref_hpte(struct kvm *kvm, __be64 *hptep, 22455514893SPaul Mackerras unsigned long pte_index); 22593e60249SPaul Mackerras extern void *kvmppc_pin_guest_page(struct kvm *kvm, unsigned long addr, 22693e60249SPaul Mackerras unsigned long *nb_ret); 227c35635efSPaul Mackerras extern void kvmppc_unpin_guest_page(struct kvm *kvm, void *addr, 228c35635efSPaul Mackerras unsigned long gpa, bool dirty); 2297ed661bfSPaul Mackerras extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags, 2307ed661bfSPaul Mackerras long pte_index, unsigned long pteh, unsigned long ptel, 2317ed661bfSPaul Mackerras pgd_t *pgdir, bool realmode, unsigned long *idx_ret); 2326b445ad4SPaul Mackerras extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags, 2336b445ad4SPaul Mackerras unsigned long pte_index, unsigned long avpn, 2346b445ad4SPaul Mackerras unsigned long *hpret); 2358f7b79b8SPaul Mackerras extern long kvmppc_hv_get_dirty_log_hpt(struct kvm *kvm, 236dfe49dbdSPaul Mackerras struct kvm_memory_slot *memslot, unsigned long *map); 2378f7b79b8SPaul Mackerras extern void kvmppc_harvest_vpa_dirty(struct kvmppc_vpa *vpa, 2388f7b79b8SPaul Mackerras struct kvm_memory_slot *memslot, 2398f7b79b8SPaul Mackerras unsigned long *map); 240a0144e2aSPaul Mackerras extern void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr, 241a0144e2aSPaul Mackerras unsigned long mask); 2428e6afa36SAlexander Graf extern void kvmppc_set_fscr(struct kvm_vcpu *vcpu, u64 fscr); 2434e342025SAlexander Graf 24402143947SPaul Mackerras extern void kvmppc_entry_trampoline(void); 245de56a948SPaul Mackerras extern void kvmppc_hv_entry_trampoline(void); 246ca7f4203SAlexander Graf extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst); 247ca7f4203SAlexander Graf extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst); 2480254f074SAlexander Graf extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd); 249699a0ea0SPaul Mackerras extern void kvmppc_pr_init_default_hcalls(struct kvm *kvm); 250ae2113a4SPaul Mackerras extern int kvmppc_hcall_impl_pr(unsigned long cmd); 251ae2113a4SPaul Mackerras extern int kvmppc_hcall_impl_hv_realmode(unsigned long cmd); 252c9dad7f9SAlexander Graf extern void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu *svcpu, 253c9dad7f9SAlexander Graf struct kvm_vcpu *vcpu); 254c9dad7f9SAlexander Graf extern void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu, 255c9dad7f9SAlexander Graf struct kvmppc_book3s_shadow_vcpu *svcpu); 256644abbb2SSuresh Warrier extern int kvm_irq_bypass; 2574e342025SAlexander Graf 2584e342025SAlexander Graf static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) 2594e342025SAlexander Graf { 2603ff95502SPaul Mackerras return vcpu->arch.book3s; 2614e342025SAlexander Graf } 2624e342025SAlexander Graf 263de56a948SPaul Mackerras /* Also add subarch specific defines */ 264de56a948SPaul Mackerras 265de56a948SPaul Mackerras #ifdef CONFIG_KVM_BOOK3S_32_HANDLER 266de56a948SPaul Mackerras #include <asm/kvm_book3s_32.h> 267de56a948SPaul Mackerras #endif 268de56a948SPaul Mackerras #ifdef CONFIG_KVM_BOOK3S_64_HANDLER 269de56a948SPaul Mackerras #include <asm/kvm_book3s_64.h> 270de56a948SPaul Mackerras #endif 271de56a948SPaul Mackerras 272de56a948SPaul Mackerras static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) 273de56a948SPaul Mackerras { 274de56a948SPaul Mackerras vcpu->arch.gpr[num] = val; 275de56a948SPaul Mackerras } 276de56a948SPaul Mackerras 277de56a948SPaul Mackerras static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) 278de56a948SPaul Mackerras { 279de56a948SPaul Mackerras return vcpu->arch.gpr[num]; 280de56a948SPaul Mackerras } 281de56a948SPaul Mackerras 282de56a948SPaul Mackerras static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) 283de56a948SPaul Mackerras { 284de56a948SPaul Mackerras vcpu->arch.cr = val; 285de56a948SPaul Mackerras } 286de56a948SPaul Mackerras 287de56a948SPaul Mackerras static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) 288de56a948SPaul Mackerras { 289de56a948SPaul Mackerras return vcpu->arch.cr; 290de56a948SPaul Mackerras } 291de56a948SPaul Mackerras 292c63517c2SSam bobroff static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val) 293de56a948SPaul Mackerras { 294de56a948SPaul Mackerras vcpu->arch.xer = val; 295de56a948SPaul Mackerras } 296de56a948SPaul Mackerras 297c63517c2SSam bobroff static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu) 298de56a948SPaul Mackerras { 299de56a948SPaul Mackerras return vcpu->arch.xer; 300de56a948SPaul Mackerras } 301de56a948SPaul Mackerras 302de56a948SPaul Mackerras static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) 303de56a948SPaul Mackerras { 304de56a948SPaul Mackerras vcpu->arch.ctr = val; 305de56a948SPaul Mackerras } 306de56a948SPaul Mackerras 307de56a948SPaul Mackerras static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) 308de56a948SPaul Mackerras { 309de56a948SPaul Mackerras return vcpu->arch.ctr; 310de56a948SPaul Mackerras } 311de56a948SPaul Mackerras 312de56a948SPaul Mackerras static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) 313de56a948SPaul Mackerras { 314de56a948SPaul Mackerras vcpu->arch.lr = val; 315de56a948SPaul Mackerras } 316de56a948SPaul Mackerras 317de56a948SPaul Mackerras static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) 318de56a948SPaul Mackerras { 319de56a948SPaul Mackerras return vcpu->arch.lr; 320de56a948SPaul Mackerras } 321de56a948SPaul Mackerras 322de56a948SPaul Mackerras static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) 323de56a948SPaul Mackerras { 324de56a948SPaul Mackerras vcpu->arch.pc = val; 325de56a948SPaul Mackerras } 326de56a948SPaul Mackerras 327de56a948SPaul Mackerras static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) 328de56a948SPaul Mackerras { 329de56a948SPaul Mackerras return vcpu->arch.pc; 330de56a948SPaul Mackerras } 331de56a948SPaul Mackerras 3325deb8e7aSAlexander Graf static inline u64 kvmppc_get_msr(struct kvm_vcpu *vcpu); 33373601775SCédric Le Goater static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) 334de56a948SPaul Mackerras { 3355deb8e7aSAlexander Graf return (kvmppc_get_msr(vcpu) & MSR_LE) != (MSR_KERNEL & MSR_LE); 33673601775SCédric Le Goater } 337de56a948SPaul Mackerras 338de56a948SPaul Mackerras static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) 339de56a948SPaul Mackerras { 340de56a948SPaul Mackerras return vcpu->arch.fault_dar; 341de56a948SPaul Mackerras } 342de56a948SPaul Mackerras 343e59d24e6SGreg Kurz static inline bool is_kvmppc_resume_guest(int r) 344e59d24e6SGreg Kurz { 345e59d24e6SGreg Kurz return (r == RESUME_GUEST || r == RESUME_GUEST_NV); 346e59d24e6SGreg Kurz } 347e59d24e6SGreg Kurz 348c12fb43cSAlexander Graf static inline bool is_kvmppc_hv_enabled(struct kvm *kvm); 349c12fb43cSAlexander Graf static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu) 350c12fb43cSAlexander Graf { 351c12fb43cSAlexander Graf /* Only PR KVM supports the magic page */ 352c12fb43cSAlexander Graf return !is_kvmppc_hv_enabled(vcpu->kvm); 353c12fb43cSAlexander Graf } 354c12fb43cSAlexander Graf 35599342cf8SDavid Gibson extern int kvmppc_h_logical_ci_load(struct kvm_vcpu *vcpu); 35699342cf8SDavid Gibson extern int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu); 35799342cf8SDavid Gibson 358ad0a048bSAlexander Graf /* Magic register values loaded into r3 and r4 before the 'sc' assembly 359ad0a048bSAlexander Graf * instruction for the OSI hypercalls */ 360ad0a048bSAlexander Graf #define OSI_SC_MAGIC_R3 0x113724FA 361ad0a048bSAlexander Graf #define OSI_SC_MAGIC_R4 0x77810F9B 362ad0a048bSAlexander Graf 3634e342025SAlexander Graf #define INS_DCBZ 0x7c0007ec 3648c32a2eaSBharat Bhushan /* TO = 31 for unconditional trap */ 3658c32a2eaSBharat Bhushan #define INS_TW 0x7fe00008 3664e342025SAlexander Graf 367043cc4d7SScott Wood /* LPIDs we support with this build -- runtime limit may be lower */ 368043cc4d7SScott Wood #define KVMPPC_NR_LPIDS (LPID_RSVD + 1) 369043cc4d7SScott Wood 370c01e3f66SAlexander Graf #define SPLIT_HACK_MASK 0xff000000 371c01e3f66SAlexander Graf #define SPLIT_HACK_OFFS 0xfb000000 372c01e3f66SAlexander Graf 3734e342025SAlexander Graf #endif /* __ASM_KVM_BOOK3S_H__ */ 374