Lines Matching full:vcpu
29 STATS_DESC_COUNTER(VCPU, ecall_exit_stat),
30 STATS_DESC_COUNTER(VCPU, wfi_exit_stat),
31 STATS_DESC_COUNTER(VCPU, wrs_exit_stat),
32 STATS_DESC_COUNTER(VCPU, mmio_exit_user),
33 STATS_DESC_COUNTER(VCPU, mmio_exit_kernel),
34 STATS_DESC_COUNTER(VCPU, csr_exit_user),
35 STATS_DESC_COUNTER(VCPU, csr_exit_kernel),
36 STATS_DESC_COUNTER(VCPU, signal_exits),
37 STATS_DESC_COUNTER(VCPU, exits),
38 STATS_DESC_COUNTER(VCPU, instr_illegal_exits),
39 STATS_DESC_COUNTER(VCPU, load_misaligned_exits),
40 STATS_DESC_COUNTER(VCPU, store_misaligned_exits),
41 STATS_DESC_COUNTER(VCPU, load_access_exits),
42 STATS_DESC_COUNTER(VCPU, store_access_exits),
54 static void kvm_riscv_reset_vcpu(struct kvm_vcpu *vcpu) in kvm_riscv_reset_vcpu() argument
56 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_reset_vcpu()
57 struct kvm_vcpu_csr *reset_csr = &vcpu->arch.guest_reset_csr; in kvm_riscv_reset_vcpu()
58 struct kvm_cpu_context *cntx = &vcpu->arch.guest_context; in kvm_riscv_reset_vcpu()
59 struct kvm_cpu_context *reset_cntx = &vcpu->arch.guest_reset_context; in kvm_riscv_reset_vcpu()
68 loaded = (vcpu->cpu != -1); in kvm_riscv_reset_vcpu()
70 kvm_arch_vcpu_put(vcpu); in kvm_riscv_reset_vcpu()
72 vcpu->arch.last_exit_cpu = -1; in kvm_riscv_reset_vcpu()
76 spin_lock(&vcpu->arch.reset_cntx_lock); in kvm_riscv_reset_vcpu()
78 spin_unlock(&vcpu->arch.reset_cntx_lock); in kvm_riscv_reset_vcpu()
80 memset(&vcpu->arch.smstateen_csr, 0, sizeof(vcpu->arch.smstateen_csr)); in kvm_riscv_reset_vcpu()
82 kvm_riscv_vcpu_fp_reset(vcpu); in kvm_riscv_reset_vcpu()
84 kvm_riscv_vcpu_vector_reset(vcpu); in kvm_riscv_reset_vcpu()
86 kvm_riscv_vcpu_timer_reset(vcpu); in kvm_riscv_reset_vcpu()
88 kvm_riscv_vcpu_aia_reset(vcpu); in kvm_riscv_reset_vcpu()
90 bitmap_zero(vcpu->arch.irqs_pending, KVM_RISCV_VCPU_NR_IRQS); in kvm_riscv_reset_vcpu()
91 bitmap_zero(vcpu->arch.irqs_pending_mask, KVM_RISCV_VCPU_NR_IRQS); in kvm_riscv_reset_vcpu()
93 kvm_riscv_vcpu_pmu_reset(vcpu); in kvm_riscv_reset_vcpu()
95 vcpu->arch.hfence_head = 0; in kvm_riscv_reset_vcpu()
96 vcpu->arch.hfence_tail = 0; in kvm_riscv_reset_vcpu()
97 memset(vcpu->arch.hfence_queue, 0, sizeof(vcpu->arch.hfence_queue)); in kvm_riscv_reset_vcpu()
99 kvm_riscv_vcpu_sbi_sta_reset(vcpu); in kvm_riscv_reset_vcpu()
103 kvm_arch_vcpu_load(vcpu, smp_processor_id()); in kvm_riscv_reset_vcpu()
112 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_create() argument
116 struct kvm_vcpu_csr *reset_csr = &vcpu->arch.guest_reset_csr; in kvm_arch_vcpu_create()
118 spin_lock_init(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_create()
120 /* Mark this VCPU never ran */ in kvm_arch_vcpu_create()
121 vcpu->arch.ran_atleast_once = false; in kvm_arch_vcpu_create()
122 vcpu->arch.mmu_page_cache.gfp_zero = __GFP_ZERO; in kvm_arch_vcpu_create()
123 bitmap_zero(vcpu->arch.isa, RISCV_ISA_EXT_MAX); in kvm_arch_vcpu_create()
125 /* Setup ISA features available to VCPU */ in kvm_arch_vcpu_create()
126 kvm_riscv_vcpu_setup_isa(vcpu); in kvm_arch_vcpu_create()
129 vcpu->arch.mvendorid = sbi_get_mvendorid(); in kvm_arch_vcpu_create()
130 vcpu->arch.marchid = sbi_get_marchid(); in kvm_arch_vcpu_create()
131 vcpu->arch.mimpid = sbi_get_mimpid(); in kvm_arch_vcpu_create()
133 /* Setup VCPU hfence queue */ in kvm_arch_vcpu_create()
134 spin_lock_init(&vcpu->arch.hfence_lock); in kvm_arch_vcpu_create()
137 spin_lock_init(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
139 spin_lock(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
140 cntx = &vcpu->arch.guest_reset_context; in kvm_arch_vcpu_create()
146 spin_unlock(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
148 if (kvm_riscv_vcpu_alloc_vector_context(vcpu, cntx)) in kvm_arch_vcpu_create()
154 /* Setup VCPU timer */ in kvm_arch_vcpu_create()
155 kvm_riscv_vcpu_timer_init(vcpu); in kvm_arch_vcpu_create()
158 kvm_riscv_vcpu_pmu_init(vcpu); in kvm_arch_vcpu_create()
160 /* Setup VCPU AIA */ in kvm_arch_vcpu_create()
161 rc = kvm_riscv_vcpu_aia_init(vcpu); in kvm_arch_vcpu_create()
169 kvm_riscv_vcpu_sbi_init(vcpu); in kvm_arch_vcpu_create()
171 /* Reset VCPU */ in kvm_arch_vcpu_create()
172 kvm_riscv_reset_vcpu(vcpu); in kvm_arch_vcpu_create()
177 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_postcreate() argument
180 * vcpu with id 0 is the designated boot cpu. in kvm_arch_vcpu_postcreate()
184 if (vcpu->vcpu_idx != 0) in kvm_arch_vcpu_postcreate()
185 kvm_riscv_vcpu_power_off(vcpu); in kvm_arch_vcpu_postcreate()
188 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_destroy() argument
190 /* Cleanup VCPU AIA context */ in kvm_arch_vcpu_destroy()
191 kvm_riscv_vcpu_aia_deinit(vcpu); in kvm_arch_vcpu_destroy()
193 /* Cleanup VCPU timer */ in kvm_arch_vcpu_destroy()
194 kvm_riscv_vcpu_timer_deinit(vcpu); in kvm_arch_vcpu_destroy()
196 kvm_riscv_vcpu_pmu_deinit(vcpu); in kvm_arch_vcpu_destroy()
199 kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_cache); in kvm_arch_vcpu_destroy()
202 kvm_riscv_vcpu_free_vector_context(vcpu); in kvm_arch_vcpu_destroy()
205 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) in kvm_cpu_has_pending_timer() argument
207 return kvm_riscv_vcpu_timer_pending(vcpu); in kvm_cpu_has_pending_timer()
210 void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_blocking() argument
212 kvm_riscv_aia_wakeon_hgei(vcpu, true); in kvm_arch_vcpu_blocking()
215 void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_unblocking() argument
217 kvm_riscv_aia_wakeon_hgei(vcpu, false); in kvm_arch_vcpu_unblocking()
220 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_runnable() argument
222 return (kvm_riscv_vcpu_has_interrupts(vcpu, -1UL) && in kvm_arch_vcpu_runnable()
223 !kvm_riscv_vcpu_stopped(vcpu) && !vcpu->arch.pause); in kvm_arch_vcpu_runnable()
226 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_should_kick() argument
228 return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE; in kvm_arch_vcpu_should_kick()
231 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_in_kernel() argument
233 return (vcpu->arch.guest_context.sstatus & SR_SPP) ? true : false; in kvm_arch_vcpu_in_kernel()
237 unsigned long kvm_arch_vcpu_get_ip(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_get_ip() argument
239 return vcpu->arch.guest_context.sepc; in kvm_arch_vcpu_get_ip()
243 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) in kvm_arch_vcpu_fault() argument
251 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_async_ioctl() local
261 return kvm_riscv_vcpu_set_interrupt(vcpu, IRQ_VS_EXT); in kvm_arch_vcpu_async_ioctl()
263 return kvm_riscv_vcpu_unset_interrupt(vcpu, IRQ_VS_EXT); in kvm_arch_vcpu_async_ioctl()
272 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl() local
286 r = kvm_riscv_vcpu_set_reg(vcpu, ®); in kvm_arch_vcpu_ioctl()
288 r = kvm_riscv_vcpu_get_reg(vcpu, ®); in kvm_arch_vcpu_ioctl()
300 reg_list.n = kvm_riscv_vcpu_num_regs(vcpu); in kvm_arch_vcpu_ioctl()
306 r = kvm_riscv_vcpu_copy_reg_indices(vcpu, user_list->reg); in kvm_arch_vcpu_ioctl()
316 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_sregs() argument
322 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_sregs() argument
328 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_get_fpu() argument
333 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_set_fpu() argument
338 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_translate() argument
344 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_get_regs() argument
349 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_set_regs() argument
354 void kvm_riscv_vcpu_flush_interrupts(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_flush_interrupts() argument
356 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_flush_interrupts()
359 if (READ_ONCE(vcpu->arch.irqs_pending_mask[0])) { in kvm_riscv_vcpu_flush_interrupts()
360 mask = xchg_acquire(&vcpu->arch.irqs_pending_mask[0], 0); in kvm_riscv_vcpu_flush_interrupts()
361 val = READ_ONCE(vcpu->arch.irqs_pending[0]) & mask; in kvm_riscv_vcpu_flush_interrupts()
368 kvm_riscv_vcpu_aia_flush_interrupts(vcpu); in kvm_riscv_vcpu_flush_interrupts()
371 void kvm_riscv_vcpu_sync_interrupts(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_sync_interrupts() argument
374 struct kvm_vcpu_arch *v = &vcpu->arch; in kvm_riscv_vcpu_sync_interrupts()
375 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_sync_interrupts()
402 kvm_riscv_vcpu_aia_sync_interrupts(vcpu); in kvm_riscv_vcpu_sync_interrupts()
405 kvm_riscv_vcpu_timer_sync(vcpu); in kvm_riscv_vcpu_sync_interrupts()
408 int kvm_riscv_vcpu_set_interrupt(struct kvm_vcpu *vcpu, unsigned int irq) in kvm_riscv_vcpu_set_interrupt() argument
422 set_bit(irq, vcpu->arch.irqs_pending); in kvm_riscv_vcpu_set_interrupt()
424 set_bit(irq, vcpu->arch.irqs_pending_mask); in kvm_riscv_vcpu_set_interrupt()
426 kvm_vcpu_kick(vcpu); in kvm_riscv_vcpu_set_interrupt()
431 int kvm_riscv_vcpu_unset_interrupt(struct kvm_vcpu *vcpu, unsigned int irq) in kvm_riscv_vcpu_unset_interrupt() argument
445 clear_bit(irq, vcpu->arch.irqs_pending); in kvm_riscv_vcpu_unset_interrupt()
447 set_bit(irq, vcpu->arch.irqs_pending_mask); in kvm_riscv_vcpu_unset_interrupt()
452 bool kvm_riscv_vcpu_has_interrupts(struct kvm_vcpu *vcpu, u64 mask) in kvm_riscv_vcpu_has_interrupts() argument
456 ie = ((vcpu->arch.guest_csr.vsie & VSIP_VALID_MASK) in kvm_riscv_vcpu_has_interrupts()
458 ie |= vcpu->arch.guest_csr.vsie & ~IRQ_LOCAL_MASK & in kvm_riscv_vcpu_has_interrupts()
460 if (READ_ONCE(vcpu->arch.irqs_pending[0]) & ie) in kvm_riscv_vcpu_has_interrupts()
464 return kvm_riscv_vcpu_aia_has_interrupts(vcpu, mask); in kvm_riscv_vcpu_has_interrupts()
467 void __kvm_riscv_vcpu_power_off(struct kvm_vcpu *vcpu) in __kvm_riscv_vcpu_power_off() argument
469 WRITE_ONCE(vcpu->arch.mp_state.mp_state, KVM_MP_STATE_STOPPED); in __kvm_riscv_vcpu_power_off()
470 kvm_make_request(KVM_REQ_SLEEP, vcpu); in __kvm_riscv_vcpu_power_off()
471 kvm_vcpu_kick(vcpu); in __kvm_riscv_vcpu_power_off()
474 void kvm_riscv_vcpu_power_off(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_power_off() argument
476 spin_lock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_off()
477 __kvm_riscv_vcpu_power_off(vcpu); in kvm_riscv_vcpu_power_off()
478 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_off()
481 void __kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu) in __kvm_riscv_vcpu_power_on() argument
483 WRITE_ONCE(vcpu->arch.mp_state.mp_state, KVM_MP_STATE_RUNNABLE); in __kvm_riscv_vcpu_power_on()
484 kvm_vcpu_wake_up(vcpu); in __kvm_riscv_vcpu_power_on()
487 void kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_power_on() argument
489 spin_lock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_on()
490 __kvm_riscv_vcpu_power_on(vcpu); in kvm_riscv_vcpu_power_on()
491 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_on()
494 bool kvm_riscv_vcpu_stopped(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_stopped() argument
496 return READ_ONCE(vcpu->arch.mp_state.mp_state) == KVM_MP_STATE_STOPPED; in kvm_riscv_vcpu_stopped()
499 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_mpstate() argument
502 *mp_state = READ_ONCE(vcpu->arch.mp_state); in kvm_arch_vcpu_ioctl_get_mpstate()
507 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_mpstate() argument
512 spin_lock(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_ioctl_set_mpstate()
516 WRITE_ONCE(vcpu->arch.mp_state, *mp_state); in kvm_arch_vcpu_ioctl_set_mpstate()
519 __kvm_riscv_vcpu_power_off(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
525 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_ioctl_set_mpstate()
530 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_guest_debug() argument
534 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
535 vcpu->arch.cfg.hedeleg &= ~BIT(EXC_BREAKPOINT); in kvm_arch_vcpu_ioctl_set_guest_debug()
537 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
538 vcpu->arch.cfg.hedeleg |= BIT(EXC_BREAKPOINT); in kvm_arch_vcpu_ioctl_set_guest_debug()
544 static void kvm_riscv_vcpu_setup_config(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_setup_config() argument
546 const unsigned long *isa = vcpu->arch.isa; in kvm_riscv_vcpu_setup_config()
547 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_setup_config()
576 if (vcpu->guest_debug) in kvm_riscv_vcpu_setup_config()
580 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_vcpu_load() argument
583 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_arch_vcpu_load()
584 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_arch_vcpu_load()
627 kvm_riscv_gstage_update_hgatp(vcpu); in kvm_arch_vcpu_load()
629 kvm_riscv_vcpu_timer_restore(vcpu); in kvm_arch_vcpu_load()
631 kvm_riscv_vcpu_host_fp_save(&vcpu->arch.host_context); in kvm_arch_vcpu_load()
632 kvm_riscv_vcpu_guest_fp_restore(&vcpu->arch.guest_context, in kvm_arch_vcpu_load()
633 vcpu->arch.isa); in kvm_arch_vcpu_load()
634 kvm_riscv_vcpu_host_vector_save(&vcpu->arch.host_context); in kvm_arch_vcpu_load()
635 kvm_riscv_vcpu_guest_vector_restore(&vcpu->arch.guest_context, in kvm_arch_vcpu_load()
636 vcpu->arch.isa); in kvm_arch_vcpu_load()
638 kvm_riscv_vcpu_aia_load(vcpu, cpu); in kvm_arch_vcpu_load()
640 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_arch_vcpu_load()
642 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
645 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_put() argument
648 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_arch_vcpu_put()
650 vcpu->cpu = -1; in kvm_arch_vcpu_put()
652 kvm_riscv_vcpu_aia_put(vcpu); in kvm_arch_vcpu_put()
654 kvm_riscv_vcpu_guest_fp_save(&vcpu->arch.guest_context, in kvm_arch_vcpu_put()
655 vcpu->arch.isa); in kvm_arch_vcpu_put()
656 kvm_riscv_vcpu_host_fp_restore(&vcpu->arch.host_context); in kvm_arch_vcpu_put()
658 kvm_riscv_vcpu_timer_save(vcpu); in kvm_arch_vcpu_put()
659 kvm_riscv_vcpu_guest_vector_save(&vcpu->arch.guest_context, in kvm_arch_vcpu_put()
660 vcpu->arch.isa); in kvm_arch_vcpu_put()
661 kvm_riscv_vcpu_host_vector_restore(&vcpu->arch.host_context); in kvm_arch_vcpu_put()
687 static void kvm_riscv_check_vcpu_requests(struct kvm_vcpu *vcpu) in kvm_riscv_check_vcpu_requests() argument
689 struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu); in kvm_riscv_check_vcpu_requests()
691 if (kvm_request_pending(vcpu)) { in kvm_riscv_check_vcpu_requests()
692 if (kvm_check_request(KVM_REQ_SLEEP, vcpu)) { in kvm_riscv_check_vcpu_requests()
693 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_riscv_check_vcpu_requests()
695 (!kvm_riscv_vcpu_stopped(vcpu)) && (!vcpu->arch.pause), in kvm_riscv_check_vcpu_requests()
697 kvm_vcpu_srcu_read_lock(vcpu); in kvm_riscv_check_vcpu_requests()
699 if (kvm_riscv_vcpu_stopped(vcpu) || vcpu->arch.pause) { in kvm_riscv_check_vcpu_requests()
704 kvm_make_request(KVM_REQ_SLEEP, vcpu); in kvm_riscv_check_vcpu_requests()
708 if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu)) in kvm_riscv_check_vcpu_requests()
709 kvm_riscv_reset_vcpu(vcpu); in kvm_riscv_check_vcpu_requests()
711 if (kvm_check_request(KVM_REQ_UPDATE_HGATP, vcpu)) in kvm_riscv_check_vcpu_requests()
712 kvm_riscv_gstage_update_hgatp(vcpu); in kvm_riscv_check_vcpu_requests()
714 if (kvm_check_request(KVM_REQ_FENCE_I, vcpu)) in kvm_riscv_check_vcpu_requests()
715 kvm_riscv_fence_i_process(vcpu); in kvm_riscv_check_vcpu_requests()
721 if (kvm_check_request(KVM_REQ_HFENCE_GVMA_VMID_ALL, vcpu)) in kvm_riscv_check_vcpu_requests()
722 kvm_riscv_hfence_gvma_vmid_all_process(vcpu); in kvm_riscv_check_vcpu_requests()
724 if (kvm_check_request(KVM_REQ_HFENCE_VVMA_ALL, vcpu)) in kvm_riscv_check_vcpu_requests()
725 kvm_riscv_hfence_vvma_all_process(vcpu); in kvm_riscv_check_vcpu_requests()
727 if (kvm_check_request(KVM_REQ_HFENCE, vcpu)) in kvm_riscv_check_vcpu_requests()
728 kvm_riscv_hfence_process(vcpu); in kvm_riscv_check_vcpu_requests()
730 if (kvm_check_request(KVM_REQ_STEAL_UPDATE, vcpu)) in kvm_riscv_check_vcpu_requests()
731 kvm_riscv_vcpu_record_steal_time(vcpu); in kvm_riscv_check_vcpu_requests()
735 static void kvm_riscv_update_hvip(struct kvm_vcpu *vcpu) in kvm_riscv_update_hvip() argument
737 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_update_hvip()
740 kvm_riscv_vcpu_aia_update_hvip(vcpu); in kvm_riscv_update_hvip()
743 static __always_inline void kvm_riscv_vcpu_swap_in_guest_state(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_swap_in_guest_state() argument
745 struct kvm_vcpu_smstateen_csr *smcsr = &vcpu->arch.smstateen_csr; in kvm_riscv_vcpu_swap_in_guest_state()
746 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_swap_in_guest_state()
747 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_swap_in_guest_state()
749 vcpu->arch.host_scounteren = csr_swap(CSR_SCOUNTEREN, csr->scounteren); in kvm_riscv_vcpu_swap_in_guest_state()
750 vcpu->arch.host_senvcfg = csr_swap(CSR_SENVCFG, csr->senvcfg); in kvm_riscv_vcpu_swap_in_guest_state()
753 vcpu->arch.host_sstateen0 = csr_swap(CSR_SSTATEEN0, in kvm_riscv_vcpu_swap_in_guest_state()
757 static __always_inline void kvm_riscv_vcpu_swap_in_host_state(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_swap_in_host_state() argument
759 struct kvm_vcpu_smstateen_csr *smcsr = &vcpu->arch.smstateen_csr; in kvm_riscv_vcpu_swap_in_host_state()
760 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_swap_in_host_state()
761 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_swap_in_host_state()
763 csr->scounteren = csr_swap(CSR_SCOUNTEREN, vcpu->arch.host_scounteren); in kvm_riscv_vcpu_swap_in_host_state()
764 csr->senvcfg = csr_swap(CSR_SENVCFG, vcpu->arch.host_senvcfg); in kvm_riscv_vcpu_swap_in_host_state()
768 vcpu->arch.host_sstateen0); in kvm_riscv_vcpu_swap_in_host_state()
772 * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while
773 * the vCPU is running.
778 static void noinstr kvm_riscv_vcpu_enter_exit(struct kvm_vcpu *vcpu, in kvm_riscv_vcpu_enter_exit() argument
782 struct kvm_cpu_context *gcntx = &vcpu->arch.guest_context; in kvm_riscv_vcpu_enter_exit()
783 struct kvm_cpu_context *hcntx = &vcpu->arch.host_context; in kvm_riscv_vcpu_enter_exit()
793 kvm_riscv_vcpu_swap_in_guest_state(vcpu); in kvm_riscv_vcpu_enter_exit()
822 __kvm_riscv_nacl_switch_to(&vcpu->arch, SBI_EXT_NACL, in kvm_riscv_vcpu_enter_exit()
841 __kvm_riscv_switch_to(&vcpu->arch); in kvm_riscv_vcpu_enter_exit()
853 vcpu->arch.last_exit_cpu = vcpu->cpu; in kvm_riscv_vcpu_enter_exit()
855 kvm_riscv_vcpu_swap_in_host_state(vcpu); in kvm_riscv_vcpu_enter_exit()
858 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_ioctl_run() argument
862 struct kvm_run *run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
864 if (!vcpu->arch.ran_atleast_once) in kvm_arch_vcpu_ioctl_run()
865 kvm_riscv_vcpu_setup_config(vcpu); in kvm_arch_vcpu_ioctl_run()
867 /* Mark this VCPU ran at least once */ in kvm_arch_vcpu_ioctl_run()
868 vcpu->arch.ran_atleast_once = true; in kvm_arch_vcpu_ioctl_run()
870 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
875 ret = kvm_riscv_vcpu_mmio_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
879 ret = kvm_riscv_vcpu_sbi_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
883 ret = kvm_riscv_vcpu_csr_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
890 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
894 if (!vcpu->wants_to_run) { in kvm_arch_vcpu_ioctl_run()
895 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
899 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_run()
901 kvm_sigset_activate(vcpu); in kvm_arch_vcpu_ioctl_run()
907 ret = xfer_to_guest_mode_handle_work(vcpu); in kvm_arch_vcpu_ioctl_run()
912 kvm_riscv_gstage_vmid_update(vcpu); in kvm_arch_vcpu_ioctl_run()
914 kvm_riscv_check_vcpu_requests(vcpu); in kvm_arch_vcpu_ioctl_run()
919 ret = kvm_riscv_vcpu_aia_update(vcpu); in kvm_arch_vcpu_ioctl_run()
929 * interrupts and before the final VCPU requests check. in kvm_arch_vcpu_ioctl_run()
931 * Documentation/virt/kvm/vcpu-requests.rst in kvm_arch_vcpu_ioctl_run()
933 vcpu->mode = IN_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
935 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
939 * We might have got VCPU interrupts updated asynchronously in kvm_arch_vcpu_ioctl_run()
942 kvm_riscv_vcpu_flush_interrupts(vcpu); in kvm_arch_vcpu_ioctl_run()
945 kvm_riscv_update_hvip(vcpu); in kvm_arch_vcpu_ioctl_run()
947 if (kvm_riscv_gstage_vmid_ver_changed(&vcpu->kvm->arch.vmid) || in kvm_arch_vcpu_ioctl_run()
948 kvm_request_pending(vcpu) || in kvm_arch_vcpu_ioctl_run()
950 vcpu->mode = OUTSIDE_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
953 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
963 kvm_riscv_local_tlb_sanitize(vcpu); in kvm_arch_vcpu_ioctl_run()
965 trace_kvm_entry(vcpu); in kvm_arch_vcpu_ioctl_run()
969 kvm_riscv_vcpu_enter_exit(vcpu, &trap); in kvm_arch_vcpu_ioctl_run()
971 vcpu->mode = OUTSIDE_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
972 vcpu->stat.exits++; in kvm_arch_vcpu_ioctl_run()
975 kvm_riscv_vcpu_sync_interrupts(vcpu); in kvm_arch_vcpu_ioctl_run()
998 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
1000 ret = kvm_riscv_vcpu_exit(vcpu, run, &trap); in kvm_arch_vcpu_ioctl_run()
1003 kvm_sigset_deactivate(vcpu); in kvm_arch_vcpu_ioctl_run()
1005 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_run()
1007 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()