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 kvm_riscv_vcpu_fp_reset(vcpu); in kvm_riscv_reset_vcpu()
82 kvm_riscv_vcpu_vector_reset(vcpu); in kvm_riscv_reset_vcpu()
84 kvm_riscv_vcpu_timer_reset(vcpu); in kvm_riscv_reset_vcpu()
86 kvm_riscv_vcpu_aia_reset(vcpu); in kvm_riscv_reset_vcpu()
88 bitmap_zero(vcpu->arch.irqs_pending, KVM_RISCV_VCPU_NR_IRQS); in kvm_riscv_reset_vcpu()
89 bitmap_zero(vcpu->arch.irqs_pending_mask, KVM_RISCV_VCPU_NR_IRQS); in kvm_riscv_reset_vcpu()
91 kvm_riscv_vcpu_pmu_reset(vcpu); in kvm_riscv_reset_vcpu()
93 vcpu->arch.hfence_head = 0; in kvm_riscv_reset_vcpu()
94 vcpu->arch.hfence_tail = 0; in kvm_riscv_reset_vcpu()
95 memset(vcpu->arch.hfence_queue, 0, sizeof(vcpu->arch.hfence_queue)); in kvm_riscv_reset_vcpu()
97 kvm_riscv_vcpu_sbi_sta_reset(vcpu); in kvm_riscv_reset_vcpu()
101 kvm_arch_vcpu_load(vcpu, smp_processor_id()); in kvm_riscv_reset_vcpu()
110 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_create() argument
114 struct kvm_vcpu_csr *reset_csr = &vcpu->arch.guest_reset_csr; in kvm_arch_vcpu_create()
116 spin_lock_init(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_create()
118 /* Mark this VCPU never ran */ in kvm_arch_vcpu_create()
119 vcpu->arch.ran_atleast_once = false; in kvm_arch_vcpu_create()
120 vcpu->arch.mmu_page_cache.gfp_zero = __GFP_ZERO; in kvm_arch_vcpu_create()
121 bitmap_zero(vcpu->arch.isa, RISCV_ISA_EXT_MAX); in kvm_arch_vcpu_create()
123 /* Setup ISA features available to VCPU */ in kvm_arch_vcpu_create()
124 kvm_riscv_vcpu_setup_isa(vcpu); in kvm_arch_vcpu_create()
127 vcpu->arch.mvendorid = sbi_get_mvendorid(); in kvm_arch_vcpu_create()
128 vcpu->arch.marchid = sbi_get_marchid(); in kvm_arch_vcpu_create()
129 vcpu->arch.mimpid = sbi_get_mimpid(); in kvm_arch_vcpu_create()
131 /* Setup VCPU hfence queue */ in kvm_arch_vcpu_create()
132 spin_lock_init(&vcpu->arch.hfence_lock); in kvm_arch_vcpu_create()
135 spin_lock_init(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
137 spin_lock(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
138 cntx = &vcpu->arch.guest_reset_context; in kvm_arch_vcpu_create()
144 spin_unlock(&vcpu->arch.reset_cntx_lock); in kvm_arch_vcpu_create()
146 if (kvm_riscv_vcpu_alloc_vector_context(vcpu, cntx)) in kvm_arch_vcpu_create()
152 /* Setup VCPU timer */ in kvm_arch_vcpu_create()
153 kvm_riscv_vcpu_timer_init(vcpu); in kvm_arch_vcpu_create()
156 kvm_riscv_vcpu_pmu_init(vcpu); in kvm_arch_vcpu_create()
158 /* Setup VCPU AIA */ in kvm_arch_vcpu_create()
159 rc = kvm_riscv_vcpu_aia_init(vcpu); in kvm_arch_vcpu_create()
167 kvm_riscv_vcpu_sbi_init(vcpu); in kvm_arch_vcpu_create()
169 /* Reset VCPU */ in kvm_arch_vcpu_create()
170 kvm_riscv_reset_vcpu(vcpu); in kvm_arch_vcpu_create()
175 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_postcreate() argument
178 * vcpu with id 0 is the designated boot cpu. in kvm_arch_vcpu_postcreate()
182 if (vcpu->vcpu_idx != 0) in kvm_arch_vcpu_postcreate()
183 kvm_riscv_vcpu_power_off(vcpu); in kvm_arch_vcpu_postcreate()
186 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_destroy() argument
188 /* Cleanup VCPU AIA context */ in kvm_arch_vcpu_destroy()
189 kvm_riscv_vcpu_aia_deinit(vcpu); in kvm_arch_vcpu_destroy()
191 /* Cleanup VCPU timer */ in kvm_arch_vcpu_destroy()
192 kvm_riscv_vcpu_timer_deinit(vcpu); in kvm_arch_vcpu_destroy()
194 kvm_riscv_vcpu_pmu_deinit(vcpu); in kvm_arch_vcpu_destroy()
197 kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_cache); in kvm_arch_vcpu_destroy()
200 kvm_riscv_vcpu_free_vector_context(vcpu); in kvm_arch_vcpu_destroy()
203 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) in kvm_cpu_has_pending_timer() argument
205 return kvm_riscv_vcpu_timer_pending(vcpu); in kvm_cpu_has_pending_timer()
208 void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_blocking() argument
210 kvm_riscv_aia_wakeon_hgei(vcpu, true); in kvm_arch_vcpu_blocking()
213 void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_unblocking() argument
215 kvm_riscv_aia_wakeon_hgei(vcpu, false); in kvm_arch_vcpu_unblocking()
218 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_runnable() argument
220 return (kvm_riscv_vcpu_has_interrupts(vcpu, -1UL) && in kvm_arch_vcpu_runnable()
221 !kvm_riscv_vcpu_stopped(vcpu) && !vcpu->arch.pause); in kvm_arch_vcpu_runnable()
224 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_should_kick() argument
226 return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE; in kvm_arch_vcpu_should_kick()
229 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_in_kernel() argument
231 return (vcpu->arch.guest_context.sstatus & SR_SPP) ? true : false; in kvm_arch_vcpu_in_kernel()
235 unsigned long kvm_arch_vcpu_get_ip(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_get_ip() argument
237 return vcpu->arch.guest_context.sepc; in kvm_arch_vcpu_get_ip()
241 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) in kvm_arch_vcpu_fault() argument
249 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_async_ioctl() local
259 return kvm_riscv_vcpu_set_interrupt(vcpu, IRQ_VS_EXT); in kvm_arch_vcpu_async_ioctl()
261 return kvm_riscv_vcpu_unset_interrupt(vcpu, IRQ_VS_EXT); in kvm_arch_vcpu_async_ioctl()
270 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl() local
284 r = kvm_riscv_vcpu_set_reg(vcpu, ®); in kvm_arch_vcpu_ioctl()
286 r = kvm_riscv_vcpu_get_reg(vcpu, ®); in kvm_arch_vcpu_ioctl()
298 reg_list.n = kvm_riscv_vcpu_num_regs(vcpu); in kvm_arch_vcpu_ioctl()
304 r = kvm_riscv_vcpu_copy_reg_indices(vcpu, user_list->reg); in kvm_arch_vcpu_ioctl()
314 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_sregs() argument
320 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_sregs() argument
326 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_get_fpu() argument
331 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_set_fpu() argument
336 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_translate() argument
342 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_get_regs() argument
347 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_set_regs() argument
352 void kvm_riscv_vcpu_flush_interrupts(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_flush_interrupts() argument
354 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_flush_interrupts()
357 if (READ_ONCE(vcpu->arch.irqs_pending_mask[0])) { in kvm_riscv_vcpu_flush_interrupts()
358 mask = xchg_acquire(&vcpu->arch.irqs_pending_mask[0], 0); in kvm_riscv_vcpu_flush_interrupts()
359 val = READ_ONCE(vcpu->arch.irqs_pending[0]) & mask; in kvm_riscv_vcpu_flush_interrupts()
366 kvm_riscv_vcpu_aia_flush_interrupts(vcpu); in kvm_riscv_vcpu_flush_interrupts()
369 void kvm_riscv_vcpu_sync_interrupts(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_sync_interrupts() argument
372 struct kvm_vcpu_arch *v = &vcpu->arch; in kvm_riscv_vcpu_sync_interrupts()
373 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_sync_interrupts()
400 kvm_riscv_vcpu_aia_sync_interrupts(vcpu); in kvm_riscv_vcpu_sync_interrupts()
403 kvm_riscv_vcpu_timer_sync(vcpu); in kvm_riscv_vcpu_sync_interrupts()
406 int kvm_riscv_vcpu_set_interrupt(struct kvm_vcpu *vcpu, unsigned int irq) in kvm_riscv_vcpu_set_interrupt() argument
420 set_bit(irq, vcpu->arch.irqs_pending); in kvm_riscv_vcpu_set_interrupt()
422 set_bit(irq, vcpu->arch.irqs_pending_mask); in kvm_riscv_vcpu_set_interrupt()
424 kvm_vcpu_kick(vcpu); in kvm_riscv_vcpu_set_interrupt()
429 int kvm_riscv_vcpu_unset_interrupt(struct kvm_vcpu *vcpu, unsigned int irq) in kvm_riscv_vcpu_unset_interrupt() argument
443 clear_bit(irq, vcpu->arch.irqs_pending); in kvm_riscv_vcpu_unset_interrupt()
445 set_bit(irq, vcpu->arch.irqs_pending_mask); in kvm_riscv_vcpu_unset_interrupt()
450 bool kvm_riscv_vcpu_has_interrupts(struct kvm_vcpu *vcpu, u64 mask) in kvm_riscv_vcpu_has_interrupts() argument
454 ie = ((vcpu->arch.guest_csr.vsie & VSIP_VALID_MASK) in kvm_riscv_vcpu_has_interrupts()
456 ie |= vcpu->arch.guest_csr.vsie & ~IRQ_LOCAL_MASK & in kvm_riscv_vcpu_has_interrupts()
458 if (READ_ONCE(vcpu->arch.irqs_pending[0]) & ie) in kvm_riscv_vcpu_has_interrupts()
462 return kvm_riscv_vcpu_aia_has_interrupts(vcpu, mask); in kvm_riscv_vcpu_has_interrupts()
465 void __kvm_riscv_vcpu_power_off(struct kvm_vcpu *vcpu) in __kvm_riscv_vcpu_power_off() argument
467 WRITE_ONCE(vcpu->arch.mp_state.mp_state, KVM_MP_STATE_STOPPED); in __kvm_riscv_vcpu_power_off()
468 kvm_make_request(KVM_REQ_SLEEP, vcpu); in __kvm_riscv_vcpu_power_off()
469 kvm_vcpu_kick(vcpu); in __kvm_riscv_vcpu_power_off()
472 void kvm_riscv_vcpu_power_off(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_power_off() argument
474 spin_lock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_off()
475 __kvm_riscv_vcpu_power_off(vcpu); in kvm_riscv_vcpu_power_off()
476 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_off()
479 void __kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu) in __kvm_riscv_vcpu_power_on() argument
481 WRITE_ONCE(vcpu->arch.mp_state.mp_state, KVM_MP_STATE_RUNNABLE); in __kvm_riscv_vcpu_power_on()
482 kvm_vcpu_wake_up(vcpu); in __kvm_riscv_vcpu_power_on()
485 void kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_power_on() argument
487 spin_lock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_on()
488 __kvm_riscv_vcpu_power_on(vcpu); in kvm_riscv_vcpu_power_on()
489 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_riscv_vcpu_power_on()
492 bool kvm_riscv_vcpu_stopped(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_stopped() argument
494 return READ_ONCE(vcpu->arch.mp_state.mp_state) == KVM_MP_STATE_STOPPED; in kvm_riscv_vcpu_stopped()
497 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_mpstate() argument
500 *mp_state = READ_ONCE(vcpu->arch.mp_state); in kvm_arch_vcpu_ioctl_get_mpstate()
505 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_mpstate() argument
510 spin_lock(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_ioctl_set_mpstate()
514 WRITE_ONCE(vcpu->arch.mp_state, *mp_state); in kvm_arch_vcpu_ioctl_set_mpstate()
517 __kvm_riscv_vcpu_power_off(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
523 spin_unlock(&vcpu->arch.mp_state_lock); in kvm_arch_vcpu_ioctl_set_mpstate()
528 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_guest_debug() argument
532 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
533 vcpu->arch.cfg.hedeleg &= ~BIT(EXC_BREAKPOINT); in kvm_arch_vcpu_ioctl_set_guest_debug()
535 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
536 vcpu->arch.cfg.hedeleg |= BIT(EXC_BREAKPOINT); in kvm_arch_vcpu_ioctl_set_guest_debug()
542 static void kvm_riscv_vcpu_setup_config(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_setup_config() argument
544 const unsigned long *isa = vcpu->arch.isa; in kvm_riscv_vcpu_setup_config()
545 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_setup_config()
574 if (vcpu->guest_debug) in kvm_riscv_vcpu_setup_config()
578 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_vcpu_load() argument
581 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_arch_vcpu_load()
582 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_arch_vcpu_load()
625 kvm_riscv_gstage_update_hgatp(vcpu); in kvm_arch_vcpu_load()
627 kvm_riscv_vcpu_timer_restore(vcpu); in kvm_arch_vcpu_load()
629 kvm_riscv_vcpu_host_fp_save(&vcpu->arch.host_context); in kvm_arch_vcpu_load()
630 kvm_riscv_vcpu_guest_fp_restore(&vcpu->arch.guest_context, in kvm_arch_vcpu_load()
631 vcpu->arch.isa); in kvm_arch_vcpu_load()
632 kvm_riscv_vcpu_host_vector_save(&vcpu->arch.host_context); in kvm_arch_vcpu_load()
633 kvm_riscv_vcpu_guest_vector_restore(&vcpu->arch.guest_context, in kvm_arch_vcpu_load()
634 vcpu->arch.isa); in kvm_arch_vcpu_load()
636 kvm_riscv_vcpu_aia_load(vcpu, cpu); in kvm_arch_vcpu_load()
638 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_arch_vcpu_load()
640 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
643 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_put() argument
646 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_arch_vcpu_put()
648 vcpu->cpu = -1; in kvm_arch_vcpu_put()
650 kvm_riscv_vcpu_aia_put(vcpu); in kvm_arch_vcpu_put()
652 kvm_riscv_vcpu_guest_fp_save(&vcpu->arch.guest_context, in kvm_arch_vcpu_put()
653 vcpu->arch.isa); in kvm_arch_vcpu_put()
654 kvm_riscv_vcpu_host_fp_restore(&vcpu->arch.host_context); in kvm_arch_vcpu_put()
656 kvm_riscv_vcpu_timer_save(vcpu); in kvm_arch_vcpu_put()
657 kvm_riscv_vcpu_guest_vector_save(&vcpu->arch.guest_context, in kvm_arch_vcpu_put()
658 vcpu->arch.isa); in kvm_arch_vcpu_put()
659 kvm_riscv_vcpu_host_vector_restore(&vcpu->arch.host_context); in kvm_arch_vcpu_put()
685 static void kvm_riscv_check_vcpu_requests(struct kvm_vcpu *vcpu) in kvm_riscv_check_vcpu_requests() argument
687 struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu); in kvm_riscv_check_vcpu_requests()
689 if (kvm_request_pending(vcpu)) { in kvm_riscv_check_vcpu_requests()
690 if (kvm_check_request(KVM_REQ_SLEEP, vcpu)) { in kvm_riscv_check_vcpu_requests()
691 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_riscv_check_vcpu_requests()
693 (!kvm_riscv_vcpu_stopped(vcpu)) && (!vcpu->arch.pause), in kvm_riscv_check_vcpu_requests()
695 kvm_vcpu_srcu_read_lock(vcpu); in kvm_riscv_check_vcpu_requests()
697 if (kvm_riscv_vcpu_stopped(vcpu) || vcpu->arch.pause) { in kvm_riscv_check_vcpu_requests()
702 kvm_make_request(KVM_REQ_SLEEP, vcpu); in kvm_riscv_check_vcpu_requests()
706 if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu)) in kvm_riscv_check_vcpu_requests()
707 kvm_riscv_reset_vcpu(vcpu); in kvm_riscv_check_vcpu_requests()
709 if (kvm_check_request(KVM_REQ_UPDATE_HGATP, vcpu)) in kvm_riscv_check_vcpu_requests()
710 kvm_riscv_gstage_update_hgatp(vcpu); in kvm_riscv_check_vcpu_requests()
712 if (kvm_check_request(KVM_REQ_FENCE_I, vcpu)) in kvm_riscv_check_vcpu_requests()
713 kvm_riscv_fence_i_process(vcpu); in kvm_riscv_check_vcpu_requests()
719 if (kvm_check_request(KVM_REQ_HFENCE_GVMA_VMID_ALL, vcpu)) in kvm_riscv_check_vcpu_requests()
720 kvm_riscv_hfence_gvma_vmid_all_process(vcpu); in kvm_riscv_check_vcpu_requests()
722 if (kvm_check_request(KVM_REQ_HFENCE_VVMA_ALL, vcpu)) in kvm_riscv_check_vcpu_requests()
723 kvm_riscv_hfence_vvma_all_process(vcpu); in kvm_riscv_check_vcpu_requests()
725 if (kvm_check_request(KVM_REQ_HFENCE, vcpu)) in kvm_riscv_check_vcpu_requests()
726 kvm_riscv_hfence_process(vcpu); in kvm_riscv_check_vcpu_requests()
728 if (kvm_check_request(KVM_REQ_STEAL_UPDATE, vcpu)) in kvm_riscv_check_vcpu_requests()
729 kvm_riscv_vcpu_record_steal_time(vcpu); in kvm_riscv_check_vcpu_requests()
733 static void kvm_riscv_update_hvip(struct kvm_vcpu *vcpu) in kvm_riscv_update_hvip() argument
735 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_update_hvip()
738 kvm_riscv_vcpu_aia_update_hvip(vcpu); in kvm_riscv_update_hvip()
741 static __always_inline void kvm_riscv_vcpu_swap_in_guest_state(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_swap_in_guest_state() argument
743 struct kvm_vcpu_smstateen_csr *smcsr = &vcpu->arch.smstateen_csr; in kvm_riscv_vcpu_swap_in_guest_state()
744 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_swap_in_guest_state()
745 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_swap_in_guest_state()
747 vcpu->arch.host_scounteren = csr_swap(CSR_SCOUNTEREN, csr->scounteren); in kvm_riscv_vcpu_swap_in_guest_state()
748 vcpu->arch.host_senvcfg = csr_swap(CSR_SENVCFG, csr->senvcfg); in kvm_riscv_vcpu_swap_in_guest_state()
751 vcpu->arch.host_sstateen0 = csr_swap(CSR_SSTATEEN0, in kvm_riscv_vcpu_swap_in_guest_state()
755 static __always_inline void kvm_riscv_vcpu_swap_in_host_state(struct kvm_vcpu *vcpu) in kvm_riscv_vcpu_swap_in_host_state() argument
757 struct kvm_vcpu_smstateen_csr *smcsr = &vcpu->arch.smstateen_csr; in kvm_riscv_vcpu_swap_in_host_state()
758 struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; in kvm_riscv_vcpu_swap_in_host_state()
759 struct kvm_vcpu_config *cfg = &vcpu->arch.cfg; in kvm_riscv_vcpu_swap_in_host_state()
761 csr->scounteren = csr_swap(CSR_SCOUNTEREN, vcpu->arch.host_scounteren); in kvm_riscv_vcpu_swap_in_host_state()
762 csr->senvcfg = csr_swap(CSR_SENVCFG, vcpu->arch.host_senvcfg); in kvm_riscv_vcpu_swap_in_host_state()
766 vcpu->arch.host_sstateen0); in kvm_riscv_vcpu_swap_in_host_state()
770 * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while
771 * the vCPU is running.
776 static void noinstr kvm_riscv_vcpu_enter_exit(struct kvm_vcpu *vcpu, in kvm_riscv_vcpu_enter_exit() argument
780 struct kvm_cpu_context *gcntx = &vcpu->arch.guest_context; in kvm_riscv_vcpu_enter_exit()
781 struct kvm_cpu_context *hcntx = &vcpu->arch.host_context; in kvm_riscv_vcpu_enter_exit()
791 kvm_riscv_vcpu_swap_in_guest_state(vcpu); in kvm_riscv_vcpu_enter_exit()
820 __kvm_riscv_nacl_switch_to(&vcpu->arch, SBI_EXT_NACL, in kvm_riscv_vcpu_enter_exit()
839 __kvm_riscv_switch_to(&vcpu->arch); in kvm_riscv_vcpu_enter_exit()
851 vcpu->arch.last_exit_cpu = vcpu->cpu; in kvm_riscv_vcpu_enter_exit()
853 kvm_riscv_vcpu_swap_in_host_state(vcpu); in kvm_riscv_vcpu_enter_exit()
856 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_ioctl_run() argument
860 struct kvm_run *run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
862 if (!vcpu->arch.ran_atleast_once) in kvm_arch_vcpu_ioctl_run()
863 kvm_riscv_vcpu_setup_config(vcpu); in kvm_arch_vcpu_ioctl_run()
865 /* Mark this VCPU ran at least once */ in kvm_arch_vcpu_ioctl_run()
866 vcpu->arch.ran_atleast_once = true; in kvm_arch_vcpu_ioctl_run()
868 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
873 ret = kvm_riscv_vcpu_mmio_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
877 ret = kvm_riscv_vcpu_sbi_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
881 ret = kvm_riscv_vcpu_csr_return(vcpu, vcpu->run); in kvm_arch_vcpu_ioctl_run()
888 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
892 if (!vcpu->wants_to_run) { in kvm_arch_vcpu_ioctl_run()
893 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
897 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_run()
899 kvm_sigset_activate(vcpu); in kvm_arch_vcpu_ioctl_run()
905 ret = xfer_to_guest_mode_handle_work(vcpu); in kvm_arch_vcpu_ioctl_run()
910 kvm_riscv_gstage_vmid_update(vcpu); in kvm_arch_vcpu_ioctl_run()
912 kvm_riscv_check_vcpu_requests(vcpu); in kvm_arch_vcpu_ioctl_run()
917 ret = kvm_riscv_vcpu_aia_update(vcpu); in kvm_arch_vcpu_ioctl_run()
927 * interrupts and before the final VCPU requests check. in kvm_arch_vcpu_ioctl_run()
929 * Documentation/virt/kvm/vcpu-requests.rst in kvm_arch_vcpu_ioctl_run()
931 vcpu->mode = IN_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
933 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()
937 * We might have got VCPU interrupts updated asynchronously in kvm_arch_vcpu_ioctl_run()
940 kvm_riscv_vcpu_flush_interrupts(vcpu); in kvm_arch_vcpu_ioctl_run()
943 kvm_riscv_update_hvip(vcpu); in kvm_arch_vcpu_ioctl_run()
945 if (kvm_riscv_gstage_vmid_ver_changed(&vcpu->kvm->arch.vmid) || in kvm_arch_vcpu_ioctl_run()
946 kvm_request_pending(vcpu) || in kvm_arch_vcpu_ioctl_run()
948 vcpu->mode = OUTSIDE_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
951 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
961 kvm_riscv_local_tlb_sanitize(vcpu); in kvm_arch_vcpu_ioctl_run()
963 trace_kvm_entry(vcpu); in kvm_arch_vcpu_ioctl_run()
967 kvm_riscv_vcpu_enter_exit(vcpu, &trap); in kvm_arch_vcpu_ioctl_run()
969 vcpu->mode = OUTSIDE_GUEST_MODE; in kvm_arch_vcpu_ioctl_run()
970 vcpu->stat.exits++; in kvm_arch_vcpu_ioctl_run()
973 kvm_riscv_vcpu_sync_interrupts(vcpu); in kvm_arch_vcpu_ioctl_run()
996 kvm_vcpu_srcu_read_lock(vcpu); in kvm_arch_vcpu_ioctl_run()
998 ret = kvm_riscv_vcpu_exit(vcpu, run, &trap); in kvm_arch_vcpu_ioctl_run()
1001 kvm_sigset_deactivate(vcpu); in kvm_arch_vcpu_ioctl_run()
1003 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_run()
1005 kvm_vcpu_srcu_read_unlock(vcpu); in kvm_arch_vcpu_ioctl_run()