| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Paul Mackerras | 1043 | 18.94% | 35 | 22.01% |
| Benjamin Herrenschmidt | 877 | 15.93% | 6 | 3.77% |
| Aneesh Kumar K.V | 759 | 13.78% | 7 | 4.40% |
| Alexander Graf | 722 | 13.11% | 26 | 16.35% |
| Hollis Blanchard | 430 | 7.81% | 16 | 10.06% |
| Scott Wood | 297 | 5.39% | 11 | 6.92% |
| Suresh E. Warrier | 262 | 4.76% | 8 | 5.03% |
| Mihai Caraman | 219 | 3.98% | 4 | 2.52% |
| Cédric Le Goater | 209 | 3.80% | 4 | 2.52% |
| Bharat Bhushan | 153 | 2.78% | 8 | 5.03% |
| Alexey Kardashevskiy | 114 | 2.07% | 6 | 3.77% |
| Michael Ellerman | 75 | 1.36% | 3 | 1.89% |
| David Gibson | 68 | 1.24% | 5 | 3.14% |
| Suraj Jitindar Singh | 67 | 1.22% | 2 | 1.26% |
| Bin Lu | 60 | 1.09% | 1 | 0.63% |
| Jose Ricardo Ziviani | 42 | 0.76% | 1 | 0.63% |
| Simon Guo | 40 | 0.73% | 3 | 1.89% |
| Laurent Dufour | 18 | 0.33% | 1 | 0.63% |
| Paolo Bonzini | 16 | 0.29% | 2 | 1.26% |
| Madhavan Srinivasan | 9 | 0.16% | 4 | 2.52% |
| Nicholas Piggin | 8 | 0.15% | 1 | 0.63% |
| Bharata B Rao | 8 | 0.15% | 1 | 0.63% |
| Andres Lagar-Cavilla | 5 | 0.09% | 1 | 0.63% |
| Takuya Yoshikawa | 2 | 0.04% | 1 | 0.63% |
| Thomas Gleixner | 2 | 0.04% | 1 | 0.63% |
| Dan J Williams | 1 | 0.02% | 1 | 0.63% |
| Total | 5506 | 159 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright IBM Corp. 2008 * * Authors: Hollis Blanchard <hollisb@us.ibm.com> */ #ifndef __POWERPC_KVM_PPC_H__ #define __POWERPC_KVM_PPC_H__ /* This file exists just so we can dereference kvm_vcpu, avoiding nested header * dependencies. */ #include <linux/mutex.h> #include <linux/timer.h> #include <linux/types.h> #include <linux/kvm_types.h> #include <linux/kvm_host.h> #include <linux/bug.h> #ifdef CONFIG_PPC_BOOK3S #include <asm/kvm_book3s.h> #else #include <asm/kvm_booke.h> #endif #ifdef CONFIG_KVM_BOOK3S_64_HANDLER #include <asm/paca.h> #include <asm/xive.h> #include <asm/cpu_has_feature.h> #endif /* * KVMPPC_INST_SW_BREAKPOINT is debug Instruction * for supporting software breakpoint. */ #define KVMPPC_INST_SW_BREAKPOINT 0x00dddd00 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_AGAIN, /* something went wrong. go again */ EMULATE_EXIT_USER, /* emulation requires exit to user-space */ }; enum instruction_fetch_type { INST_GENERIC, INST_SC, /* system call */ }; enum xlate_instdata { XLATE_INST, /* translate instruction address */ XLATE_DATA /* translate data address */ }; enum xlate_readwrite { XLATE_READ, /* check for read permissions */ XLATE_WRITE /* check for write permissions */ }; extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); extern void kvmppc_handler_highmem(void); extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, int is_default_endian); extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, int is_default_endian); extern int kvmppc_handle_vsx_load(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, int is_default_endian, int mmio_sign_extend); extern int kvmppc_handle_vmx_load(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, int is_default_endian); extern int kvmppc_handle_vmx_store(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rs, unsigned int bytes, int is_default_endian); extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, u64 val, unsigned int bytes, int is_default_endian); extern int kvmppc_handle_vsx_store(struct kvm_run *run, struct kvm_vcpu *vcpu, int rs, unsigned int bytes, int is_default_endian); extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_fetch_type type, u32 *inst); extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); extern int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu); extern int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu); extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); extern void kvmppc_decrementer_func(struct kvm_vcpu *vcpu); extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu); extern int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu); extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu); /* Core-specific hooks */ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, unsigned int gtlb_idx); extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu); extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu); extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, gva_t eaddr); extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid, enum xlate_readwrite xlrw, struct kvmppc_pte *pte); extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id); extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); extern int kvmppc_core_check_processor_compat(void); extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, struct kvm_translation *tr); extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_machine_check(struct kvm_vcpu *vcpu, ulong flags); extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); extern void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq); extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu, ulong dear_flags, ulong esr_flags); extern void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu, ulong dear_flags, ulong esr_flags); extern void kvmppc_core_queue_itlb_miss(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu, ulong esr_flags); extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu); extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu); extern int kvmppc_booke_init(void); extern void kvmppc_booke_exit(void); extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); extern int kvmppc_allocate_hpt(struct kvm_hpt_info *info, u32 order); extern void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info); extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order); extern void kvmppc_free_hpt(struct kvm_hpt_info *info); extern void kvmppc_rmap_reset(struct kvm *kvm); extern long kvmppc_prepare_vrma(struct kvm *kvm, struct kvm_userspace_memory_region *mem); extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu, struct kvm_memory_slot *memslot, unsigned long porder); extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu); extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, struct iommu_group *grp); extern void kvm_spapr_tce_release_iommu_group(struct kvm *kvm, struct iommu_group *grp); extern int kvmppc_switch_mmu_to_hpt(struct kvm *kvm); extern int kvmppc_switch_mmu_to_radix(struct kvm *kvm); extern void kvmppc_setup_partition_table(struct kvm *kvm); extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, struct kvm_create_spapr_tce_64 *args); extern struct kvmppc_spapr_tce_table *kvmppc_find_table( struct kvm *kvm, unsigned long liobn); #define kvmppc_ioba_validate(stt, ioba, npages) \ (iommu_tce_check_ioba((stt)->page_shift, (stt)->offset, \ (stt)->size, (ioba), (npages)) ? \ H_PARAMETER : H_SUCCESS) extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce); extern long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce_list, unsigned long npages); extern long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce_value, unsigned long npages); extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba); extern struct page *kvm_alloc_hpt_cma(unsigned long nr_pages); extern void kvm_free_hpt_cma(struct page *page, unsigned long nr_pages); extern int kvmppc_core_init_vm(struct kvm *kvm); extern void kvmppc_core_destroy_vm(struct kvm *kvm); extern void kvmppc_core_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free, struct kvm_memory_slot *dont); extern int kvmppc_core_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, unsigned long npages); extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, const struct kvm_userspace_memory_region *mem); extern void kvmppc_core_commit_memory_region(struct kvm *kvm, const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old, const struct kvm_memory_slot *new, enum kvm_mr_change change); extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info); extern void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot); extern int kvmppc_bookehv_init(void); extern void kvmppc_bookehv_exit(void); extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *); extern long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, struct kvm_ppc_resize_hpt *rhpt); extern long kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm, struct kvm_ppc_resize_hpt *rhpt); int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq); extern int kvm_vm_ioctl_rtas_define_token(struct kvm *kvm, void __user *argp); extern int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu); extern void kvmppc_rtas_tokens_free(struct kvm *kvm); extern int kvmppc_xics_set_xive(struct kvm *kvm, u32 irq, u32 server, u32 priority); extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server, u32 *priority); extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq); extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq); void kvmppc_core_dequeue_debug(struct kvm_vcpu *vcpu); void kvmppc_core_queue_debug(struct kvm_vcpu *vcpu); union kvmppc_one_reg { u32 wval; u64 dval; vector128 vval; u64 vsxval[2]; u32 vsx32val[4]; u16 vsx16val[8]; u8 vsx8val[16]; struct { u64 addr; u64 length; } vpaval; u64 xive_timaval[2]; }; struct kvmppc_ops { struct module *owner; int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val); int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *val); void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); void (*vcpu_put)(struct kvm_vcpu *vcpu); void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr); int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu); struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id); void (*vcpu_free)(struct kvm_vcpu *vcpu); int (*check_requests)(struct kvm_vcpu *vcpu); int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log); void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot); int (*prepare_memory_region)(struct kvm *kvm, struct kvm_memory_slot *memslot, const struct kvm_userspace_memory_region *mem); void (*commit_memory_region)(struct kvm *kvm, const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old, const struct kvm_memory_slot *new, enum kvm_mr_change change); int (*unmap_hva_range)(struct kvm *kvm, unsigned long start, unsigned long end); int (*age_hva)(struct kvm *kvm, unsigned long start, unsigned long end); int (*test_age_hva)(struct kvm *kvm, unsigned long hva); void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte); void (*mmu_destroy)(struct kvm_vcpu *vcpu); void (*free_memslot)(struct kvm_memory_slot *free, struct kvm_memory_slot *dont); int (*create_memslot)(struct kvm_memory_slot *slot, unsigned long npages); int (*init_vm)(struct kvm *kvm); void (*destroy_vm)(struct kvm *kvm); int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info); int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int inst, int *advance); int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu); long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl, unsigned long arg); int (*hcall_implemented)(unsigned long hcall); int (*irq_bypass_add_producer)(struct irq_bypass_consumer *, struct irq_bypass_producer *); void (*irq_bypass_del_producer)(struct irq_bypass_consumer *, struct irq_bypass_producer *); int (*configure_mmu)(struct kvm *kvm, struct kvm_ppc_mmuv3_cfg *cfg); int (*get_rmmu_info)(struct kvm *kvm, struct kvm_ppc_rmmu_info *info); int (*set_smt_mode)(struct kvm *kvm, unsigned long mode, unsigned long flags); void (*giveup_ext)(struct kvm_vcpu *vcpu, ulong msr); int (*enable_nested)(struct kvm *kvm); int (*load_from_eaddr)(struct kvm_vcpu *vcpu, ulong *eaddr, void *ptr, int size); int (*store_to_eaddr)(struct kvm_vcpu *vcpu, ulong *eaddr, void *ptr, int size); }; extern struct kvmppc_ops *kvmppc_hv_ops; extern struct kvmppc_ops *kvmppc_pr_ops; static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu, enum instruction_fetch_type type, u32 *inst) { int ret = EMULATE_DONE; u32 fetched_inst; /* Load the instruction manually if it failed to do so in the * exit path */ if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED) ret = kvmppc_load_last_inst(vcpu, type, &vcpu->arch.last_inst); /* Write fetch_failed unswapped if the fetch failed */ if (ret == EMULATE_DONE) fetched_inst = kvmppc_need_byteswap(vcpu) ? swab32(vcpu->arch.last_inst) : vcpu->arch.last_inst; else fetched_inst = vcpu->arch.last_inst; *inst = fetched_inst; return ret; } static inline bool is_kvmppc_hv_enabled(struct kvm *kvm) { return kvm->arch.kvm_ops == kvmppc_hv_ops; } extern int kvmppc_hwrng_present(void); /* * Cuts out inst bits with ordering according to spec. * That means the leftmost bit is zero. All given bits are included. */ static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb) { u32 r; u32 mask; BUG_ON(msb > lsb); mask = (1 << (lsb - msb + 1)) - 1; r = (inst >> (63 - lsb)) & mask; return r; } /* * Replaces inst bits with ordering according to spec. */ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) { u32 r; u32 mask; BUG_ON(msb > lsb); mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb); r = (inst & ~mask) | ((value << (63 - lsb)) & mask); return r; } #define one_reg_size(id) \ (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) #define get_reg_val(id, reg) ({ \ union kvmppc_one_reg __u; \ switch (one_reg_size(id)) { \ case 4: __u.wval = (reg); break; \ case 8: __u.dval = (reg); break; \ default: BUG(); \ } \ __u; \ }) #define set_reg_val(id, val) ({ \ u64 __v; \ switch (one_reg_size(id)) { \ case 4: __v = (val).wval; break; \ case 8: __v = (val).dval; break; \ default: BUG(); \ } \ __v; \ }) int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *); int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *); void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); struct openpic; #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE extern void kvm_cma_reserve(void) __init; static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) { paca_ptrs[cpu]->kvm_hstate.xics_phys = (void __iomem *)addr; } static inline void kvmppc_set_xive_tima(int cpu, unsigned long phys_addr, void __iomem *virt_addr) { paca_ptrs[cpu]->kvm_hstate.xive_tima_phys = (void __iomem *)phys_addr; paca_ptrs[cpu]->kvm_hstate.xive_tima_virt = virt_addr; } static inline u32 kvmppc_get_xics_latch(void) { u32 xirr; xirr = get_paca()->kvm_hstate.saved_xirr; get_paca()->kvm_hstate.saved_xirr = 0; return xirr; } static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi) { paca_ptrs[cpu]->kvm_hstate.host_ipi = host_ipi; } static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) { vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu); } extern void kvm_hv_vm_activated(void); extern void kvm_hv_vm_deactivated(void); extern bool kvm_hv_mode_active(void); extern void kvmppc_check_need_tlb_flush(struct kvm *kvm, int pcpu, struct kvm_nested_guest *nested); #else static inline void __init kvm_cma_reserve(void) {} static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) {} static inline void kvmppc_set_xive_tima(int cpu, unsigned long phys_addr, void __iomem *virt_addr) {} static inline u32 kvmppc_get_xics_latch(void) { return 0; } static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi) {} static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) { kvm_vcpu_kick(vcpu); } static inline bool kvm_hv_mode_active(void) { return false; } #endif #ifdef CONFIG_KVM_XICS static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu) { return vcpu->arch.irq_type == KVMPPC_IRQ_XICS; } static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap( struct kvm *kvm) { if (kvm && kvm_irq_bypass) return kvm->arch.pimap; return NULL; } extern void kvmppc_alloc_host_rm_ops(void); extern void kvmppc_free_host_rm_ops(void); extern void kvmppc_free_pimap(struct kvm *kvm); extern int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall); extern void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu); extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd); extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu); extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval); extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu); extern void kvmppc_xics_ipi_action(void); extern void kvmppc_xics_set_mapped(struct kvm *kvm, unsigned long guest_irq, unsigned long host_irq); extern void kvmppc_xics_clr_mapped(struct kvm *kvm, unsigned long guest_irq, unsigned long host_irq); extern long kvmppc_deliver_irq_passthru(struct kvm_vcpu *vcpu, __be32 xirr, struct kvmppc_irq_map *irq_map, struct kvmppc_passthru_irqmap *pimap, bool *again); extern int kvmppc_xics_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level, bool line_status); extern int h_ipi_redirect; #else static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap( struct kvm *kvm) { return NULL; } static inline void kvmppc_alloc_host_rm_ops(void) {}; static inline void kvmppc_free_host_rm_ops(void) {}; static inline void kvmppc_free_pimap(struct kvm *kvm) {}; static inline int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall) { return 0; } static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu) { return 0; } static inline void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu) { } static inline int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd) { return 0; } #endif #ifdef CONFIG_KVM_XIVE /* * Below the first "xive" is the "eXternal Interrupt Virtualization Engine" * ie. P9 new interrupt controller, while the second "xive" is the legacy * "eXternal Interrupt Vector Entry" which is the configuration of an * interrupt on the "xics" interrupt controller on P8 and earlier. Those * two function consume or produce a legacy "XIVE" state from the * new "XIVE" interrupt controller. */ extern int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server, u32 priority); extern int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server, u32 *priority); extern int kvmppc_xive_int_on(struct kvm *kvm, u32 irq); extern int kvmppc_xive_int_off(struct kvm *kvm, u32 irq); extern void kvmppc_xive_init_module(void); extern void kvmppc_xive_exit_module(void); extern int kvmppc_xive_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu); extern void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu); extern int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq, struct irq_desc *host_desc); extern int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq, struct irq_desc *host_desc); extern u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu); extern int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval); extern int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level, bool line_status); extern void kvmppc_xive_push_vcpu(struct kvm_vcpu *vcpu); static inline int kvmppc_xive_enabled(struct kvm_vcpu *vcpu) { return vcpu->arch.irq_type == KVMPPC_IRQ_XIVE; } extern int kvmppc_xive_native_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu); extern void kvmppc_xive_native_cleanup_vcpu(struct kvm_vcpu *vcpu); extern void kvmppc_xive_native_init_module(void); extern void kvmppc_xive_native_exit_module(void); extern int kvmppc_xive_native_get_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); extern int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); #else static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server, u32 priority) { return -1; } static inline int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server, u32 *priority) { return -1; } static inline int kvmppc_xive_int_on(struct kvm *kvm, u32 irq) { return -1; } static inline int kvmppc_xive_int_off(struct kvm *kvm, u32 irq) { return -1; } static inline void kvmppc_xive_init_module(void) { } static inline void kvmppc_xive_exit_module(void) { } static inline int kvmppc_xive_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu) { return -EBUSY; } static inline void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) { } static inline int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq, struct irq_desc *host_desc) { return -ENODEV; } static inline int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq, struct irq_desc *host_desc) { return -ENODEV; } static inline u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu) { return 0; } static inline int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval) { return -ENOENT; } static inline int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level, bool line_status) { return -ENODEV; } static inline void kvmppc_xive_push_vcpu(struct kvm_vcpu *vcpu) { } static inline int kvmppc_xive_enabled(struct kvm_vcpu *vcpu) { return 0; } static inline int kvmppc_xive_native_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu) { return -EBUSY; } static inline void kvmppc_xive_native_cleanup_vcpu(struct kvm_vcpu *vcpu) { } static inline void kvmppc_xive_native_init_module(void) { } static inline void kvmppc_xive_native_exit_module(void) { } static inline int kvmppc_xive_native_get_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val) { return 0; } static inline int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val) { return -ENOENT; } #endif /* CONFIG_KVM_XIVE */ #if defined(CONFIG_PPC_POWERNV) && defined(CONFIG_KVM_BOOK3S_64_HANDLER) static inline bool xics_on_xive(void) { return xive_enabled() && cpu_has_feature(CPU_FTR_HVMODE); } #else static inline bool xics_on_xive(void) { return false; } #endif /* * Prototypes for functions called only from assembler code. * Having prototypes reduces sparse errors. */ long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce); long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce_list, unsigned long npages); long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce_value, unsigned long npages); long int kvmppc_rm_h_confer(struct kvm_vcpu *vcpu, int target, unsigned int yield_count); long kvmppc_h_random(struct kvm_vcpu *vcpu); void kvmhv_commence_exit(int trap); void kvmppc_realmode_machine_check(struct kvm_vcpu *vcpu); void kvmppc_subcore_enter_guest(void); void kvmppc_subcore_exit_guest(void); long kvmppc_realmode_hmi_handler(void); long kvmppc_h_enter(struct kvm_vcpu *vcpu, unsigned long flags, long pte_index, unsigned long pteh, unsigned long ptel); long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long pte_index, unsigned long avpn); long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu); long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long pte_index, unsigned long avpn, unsigned long va); long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long pte_index); long kvmppc_h_clear_ref(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long pte_index); long kvmppc_h_clear_mod(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long pte_index); long kvmppc_rm_h_page_init(struct kvm_vcpu *vcpu, unsigned long flags, unsigned long dest, unsigned long src); long kvmppc_hpte_hv_fault(struct kvm_vcpu *vcpu, unsigned long addr, unsigned long slb_v, unsigned int status, bool data); unsigned long kvmppc_rm_h_xirr(struct kvm_vcpu *vcpu); unsigned long kvmppc_rm_h_xirr_x(struct kvm_vcpu *vcpu); unsigned long kvmppc_rm_h_ipoll(struct kvm_vcpu *vcpu, unsigned long server); int kvmppc_rm_h_ipi(struct kvm_vcpu *vcpu, unsigned long server, unsigned long mfrr); int kvmppc_rm_h_cppr(struct kvm_vcpu *vcpu, unsigned long cppr); int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr); void kvmppc_guest_entry_inject_int(struct kvm_vcpu *vcpu); /* * Host-side operations we want to set up while running in real * mode in the guest operating on the xics. * Currently only VCPU wakeup is supported. */ union kvmppc_rm_state { unsigned long raw; struct { u32 in_host; u32 rm_action; }; }; struct kvmppc_host_rm_core { union kvmppc_rm_state rm_state; void *rm_data; char pad[112]; }; struct kvmppc_host_rm_ops { struct kvmppc_host_rm_core *rm_core; void (*vcpu_kick)(struct kvm_vcpu *vcpu); }; extern struct kvmppc_host_rm_ops *kvmppc_host_rm_ops_hv; static inline unsigned long kvmppc_get_epr(struct kvm_vcpu *vcpu) { #ifdef CONFIG_KVM_BOOKE_HV return mfspr(SPRN_GEPR); #elif defined(CONFIG_BOOKE) return vcpu->arch.epr; #else return 0; #endif } static inline void kvmppc_set_epr(struct kvm_vcpu *vcpu, u32 epr) { #ifdef CONFIG_KVM_BOOKE_HV mtspr(SPRN_GEPR, epr); #elif defined(CONFIG_BOOKE) vcpu->arch.epr = epr; #endif } #ifdef CONFIG_KVM_MPIC void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu); int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu); void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu); #else static inline void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu) { } static inline int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu, u32 cpu) { return -EINVAL; } static inline void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu) { } #endif /* CONFIG_KVM_MPIC */ int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu, struct kvm_config_tlb *cfg); int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu, struct kvm_dirty_tlb *cfg); long kvmppc_alloc_lpid(void); void kvmppc_claim_lpid(long lpid); void kvmppc_free_lpid(long lpid); void kvmppc_init_lpid(unsigned long nr_lpids); static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn) { struct page *page; /* * We can only access pages that the kernel maps * as memory. Bail out for unmapped ones. */ if (!pfn_valid(pfn)) return; /* Clear i-cache for new pages */ page = pfn_to_page(pfn); if (!test_bit(PG_arch_1, &page->flags)) { flush_dcache_icache_page(page); set_bit(PG_arch_1, &page->flags); } } /* * Shared struct helpers. The shared struct can be little or big endian, * depending on the guest endianness. So expose helpers to all of them. */ static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu) { #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) /* Only Book3S_64 PR supports bi-endian for now */ return vcpu->arch.shared_big_endian; #elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__) /* Book3s_64 HV on little endian is always little endian */ return false; #else return true; #endif } #define SPRNG_WRAPPER_GET(reg, bookehv_spr) \ static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \ { \ return mfspr(bookehv_spr); \ } \ #define SPRNG_WRAPPER_SET(reg, bookehv_spr) \ static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \ { \ mtspr(bookehv_spr, val); \ } \ #define SHARED_WRAPPER_GET(reg, size) \ static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \ { \ if (kvmppc_shared_big_endian(vcpu)) \ return be##size##_to_cpu(vcpu->arch.shared->reg); \ else \ return le##size##_to_cpu(vcpu->arch.shared->reg); \ } \ #define SHARED_WRAPPER_SET(reg, size) \ static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \ { \ if (kvmppc_shared_big_endian(vcpu)) \ vcpu->arch.shared->reg = cpu_to_be##size(val); \ else \ vcpu->arch.shared->reg = cpu_to_le##size(val); \ } \ #define SHARED_WRAPPER(reg, size) \ SHARED_WRAPPER_GET(reg, size) \ SHARED_WRAPPER_SET(reg, size) \ #define SPRNG_WRAPPER(reg, bookehv_spr) \ SPRNG_WRAPPER_GET(reg, bookehv_spr) \ SPRNG_WRAPPER_SET(reg, bookehv_spr) \ #ifdef CONFIG_KVM_BOOKE_HV #define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \ SPRNG_WRAPPER(reg, bookehv_spr) \ #else #define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \ SHARED_WRAPPER(reg, size) \ #endif SHARED_WRAPPER(critical, 64) SHARED_SPRNG_WRAPPER(sprg0, 64, SPRN_GSPRG0) SHARED_SPRNG_WRAPPER(sprg1, 64, SPRN_GSPRG1) SHARED_SPRNG_WRAPPER(sprg2, 64, SPRN_GSPRG2) SHARED_SPRNG_WRAPPER(sprg3, 64, SPRN_GSPRG3) SHARED_SPRNG_WRAPPER(srr0, 64, SPRN_GSRR0) SHARED_SPRNG_WRAPPER(srr1, 64, SPRN_GSRR1) SHARED_SPRNG_WRAPPER(dar, 64, SPRN_GDEAR) SHARED_SPRNG_WRAPPER(esr, 64, SPRN_GESR) SHARED_WRAPPER_GET(msr, 64) static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val) { if (kvmppc_shared_big_endian(vcpu)) vcpu->arch.shared->msr = cpu_to_be64(val); else vcpu->arch.shared->msr = cpu_to_le64(val); } SHARED_WRAPPER(dsisr, 32) SHARED_WRAPPER(int_pending, 32) SHARED_WRAPPER(sprg4, 64) SHARED_WRAPPER(sprg5, 64) SHARED_WRAPPER(sprg6, 64) SHARED_WRAPPER(sprg7, 64) static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr) { if (kvmppc_shared_big_endian(vcpu)) return be32_to_cpu(vcpu->arch.shared->sr[nr]); else return le32_to_cpu(vcpu->arch.shared->sr[nr]); } static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val) { if (kvmppc_shared_big_endian(vcpu)) vcpu->arch.shared->sr[nr] = cpu_to_be32(val); else vcpu->arch.shared->sr[nr] = cpu_to_le32(val); } /* * Please call after prepare_to_enter. This function puts the lazy ee and irq * disabled tracking state back to normal mode, without actually enabling * interrupts. */ static inline void kvmppc_fix_ee_before_entry(void) { trace_hardirqs_on(); #ifdef CONFIG_PPC64 /* * To avoid races, the caller must have gone directly from having * interrupts fully-enabled to hard-disabled. */ WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS); /* Only need to enable IRQs by hard enabling them after this */ local_paca->irq_happened = 0; irq_soft_mask_set(IRQS_ENABLED); #endif } static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb) { ulong ea; ulong msr_64bit = 0; ea = kvmppc_get_gpr(vcpu, rb); if (ra) ea += kvmppc_get_gpr(vcpu, ra); #if defined(CONFIG_PPC_BOOK3E_64) msr_64bit = MSR_CM; #elif defined(CONFIG_PPC_BOOK3S_64) msr_64bit = MSR_SF; #endif if (!(kvmppc_get_msr(vcpu) & msr_64bit)) ea = (uint32_t)ea; return ea; } extern void xics_wake_cpu(int cpu); #endif /* __POWERPC_KVM_PPC_H__ */
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