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Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
-rw-r--r--arch/powerpc/kvm/powerpc.c147
1 files changed, 70 insertions, 77 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 191992fcb2c2..d32abe7fe6ab 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -33,9 +33,9 @@
#include <asm/plpar_wrappers.h>
#endif
#include <asm/ultravisor.h>
+#include <asm/setup.h>
#include "timing.h"
-#include "irq.h"
#include "../mm/mmu_decl.h"
#define CREATE_TRACE_POINTS
@@ -238,7 +238,6 @@ int kvmppc_kvm_pv(struct kvm_vcpu *vcpu)
case EV_HCALL_TOKEN(EV_IDLE):
r = EV_SUCCESS;
kvm_vcpu_halt(vcpu);
- kvm_clear_request(KVM_REQ_UNHALT, vcpu);
break;
default:
r = EV_UNIMPLEMENTED;
@@ -305,11 +304,11 @@ int kvmppc_emulate_mmio(struct kvm_vcpu *vcpu)
break;
case EMULATE_FAIL:
{
- u32 last_inst;
+ ppc_inst_t last_inst;
kvmppc_get_last_inst(vcpu, INST_GENERIC, &last_inst);
kvm_debug_ratelimited("Guest access to device memory using unsupported instruction (opcode: %#08x)\n",
- last_inst);
+ ppc_inst_val(last_inst));
/*
* Injecting a Data Storage here is a bit more
@@ -322,7 +321,9 @@ int kvmppc_emulate_mmio(struct kvm_vcpu *vcpu)
if (vcpu->mmio_is_write)
dsisr |= DSISR_ISSTORE;
- kvmppc_core_queue_data_storage(vcpu, vcpu->arch.vaddr_accessed, dsisr);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ vcpu->arch.vaddr_accessed, dsisr);
} else {
/*
* BookE does not send a SIGBUS on a bad
@@ -436,21 +437,6 @@ int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
}
EXPORT_SYMBOL_GPL(kvmppc_ld);
-int kvm_arch_hardware_enable(void)
-{
- return 0;
-}
-
-int kvm_arch_hardware_setup(void *opaque)
-{
- return 0;
-}
-
-int kvm_arch_check_processor_compat(void *opaque)
-{
- return kvmppc_core_check_processor_compat();
-}
-
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
{
struct kvmppc_ops *kvm_ops = NULL;
@@ -542,7 +528,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_ENABLE_CAP:
case KVM_CAP_ONE_REG:
case KVM_CAP_IOEVENTFD:
- case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_IMMEDIATE_EXIT:
case KVM_CAP_SET_GUEST_DEBUG:
r = 1;
@@ -592,6 +577,12 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
break;
#endif
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
+ case KVM_CAP_IRQFD_RESAMPLE:
+ r = !xive_enabled();
+ break;
+#endif
+
case KVM_CAP_PPC_ALLOC_HTAB:
r = hv_enabled;
break;
@@ -640,13 +631,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
break;
#endif
case KVM_CAP_SYNC_MMU:
-#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
- r = hv_enabled;
-#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER)
+ BUILD_BUG_ON(!IS_ENABLED(CONFIG_KVM_GENERIC_MMU_NOTIFIER));
r = 1;
-#else
- r = 0;
-#endif
break;
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
case KVM_CAP_PPC_HTAB_FD:
@@ -785,7 +771,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup;
- vcpu->arch.dec_expires = get_tb();
#ifdef CONFIG_KVM_EXIT_TIMING
mutex_init(&vcpu->arch.exit_timing_lock);
@@ -943,11 +928,11 @@ static inline void kvmppc_set_vsr_dword(struct kvm_vcpu *vcpu,
return;
if (index >= 32) {
- val.vval = VCPU_VSX_VR(vcpu, index - 32);
+ kvmppc_get_vsx_vr(vcpu, index - 32, &val.vval);
val.vsxval[offset] = gpr;
- VCPU_VSX_VR(vcpu, index - 32) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index - 32, &val.vval);
} else {
- VCPU_VSX_FPR(vcpu, index, offset) = gpr;
+ kvmppc_set_vsx_fpr(vcpu, index, offset, gpr);
}
}
@@ -958,13 +943,13 @@ static inline void kvmppc_set_vsr_dword_dump(struct kvm_vcpu *vcpu,
int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
if (index >= 32) {
- val.vval = VCPU_VSX_VR(vcpu, index - 32);
+ kvmppc_get_vsx_vr(vcpu, index - 32, &val.vval);
val.vsxval[0] = gpr;
val.vsxval[1] = gpr;
- VCPU_VSX_VR(vcpu, index - 32) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index - 32, &val.vval);
} else {
- VCPU_VSX_FPR(vcpu, index, 0) = gpr;
- VCPU_VSX_FPR(vcpu, index, 1) = gpr;
+ kvmppc_set_vsx_fpr(vcpu, index, 0, gpr);
+ kvmppc_set_vsx_fpr(vcpu, index, 1, gpr);
}
}
@@ -979,12 +964,12 @@ static inline void kvmppc_set_vsr_word_dump(struct kvm_vcpu *vcpu,
val.vsx32val[1] = gpr;
val.vsx32val[2] = gpr;
val.vsx32val[3] = gpr;
- VCPU_VSX_VR(vcpu, index - 32) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index - 32, &val.vval);
} else {
val.vsx32val[0] = gpr;
val.vsx32val[1] = gpr;
- VCPU_VSX_FPR(vcpu, index, 0) = val.vsxval[0];
- VCPU_VSX_FPR(vcpu, index, 1) = val.vsxval[0];
+ kvmppc_set_vsx_fpr(vcpu, index, 0, val.vsxval[0]);
+ kvmppc_set_vsx_fpr(vcpu, index, 1, val.vsxval[0]);
}
}
@@ -1000,15 +985,15 @@ static inline void kvmppc_set_vsr_word(struct kvm_vcpu *vcpu,
return;
if (index >= 32) {
- val.vval = VCPU_VSX_VR(vcpu, index - 32);
+ kvmppc_get_vsx_vr(vcpu, index - 32, &val.vval);
val.vsx32val[offset] = gpr32;
- VCPU_VSX_VR(vcpu, index - 32) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index - 32, &val.vval);
} else {
dword_offset = offset / 2;
word_offset = offset % 2;
- val.vsxval[0] = VCPU_VSX_FPR(vcpu, index, dword_offset);
+ val.vsxval[0] = kvmppc_get_vsx_fpr(vcpu, index, dword_offset);
val.vsx32val[word_offset] = gpr32;
- VCPU_VSX_FPR(vcpu, index, dword_offset) = val.vsxval[0];
+ kvmppc_set_vsx_fpr(vcpu, index, dword_offset, val.vsxval[0]);
}
}
#endif /* CONFIG_VSX */
@@ -1067,9 +1052,9 @@ static inline void kvmppc_set_vmx_dword(struct kvm_vcpu *vcpu,
if (offset == -1)
return;
- val.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &val.vval);
val.vsxval[offset] = gpr;
- VCPU_VSX_VR(vcpu, index) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index, &val.vval);
}
static inline void kvmppc_set_vmx_word(struct kvm_vcpu *vcpu,
@@ -1083,9 +1068,9 @@ static inline void kvmppc_set_vmx_word(struct kvm_vcpu *vcpu,
if (offset == -1)
return;
- val.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &val.vval);
val.vsx32val[offset] = gpr32;
- VCPU_VSX_VR(vcpu, index) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index, &val.vval);
}
static inline void kvmppc_set_vmx_hword(struct kvm_vcpu *vcpu,
@@ -1099,9 +1084,9 @@ static inline void kvmppc_set_vmx_hword(struct kvm_vcpu *vcpu,
if (offset == -1)
return;
- val.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &val.vval);
val.vsx16val[offset] = gpr16;
- VCPU_VSX_VR(vcpu, index) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index, &val.vval);
}
static inline void kvmppc_set_vmx_byte(struct kvm_vcpu *vcpu,
@@ -1115,9 +1100,9 @@ static inline void kvmppc_set_vmx_byte(struct kvm_vcpu *vcpu,
if (offset == -1)
return;
- val.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &val.vval);
val.vsx8val[offset] = gpr8;
- VCPU_VSX_VR(vcpu, index) = val.vval;
+ kvmppc_set_vsx_vr(vcpu, index, &val.vval);
}
#endif /* CONFIG_ALTIVEC */
@@ -1203,14 +1188,14 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu)
if (vcpu->kvm->arch.kvm_ops->giveup_ext)
vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_FP);
- VCPU_FPR(vcpu, vcpu->arch.io_gpr & KVM_MMIO_REG_MASK) = gpr;
+ kvmppc_set_fpr(vcpu, vcpu->arch.io_gpr & KVM_MMIO_REG_MASK, gpr);
break;
#ifdef CONFIG_PPC_BOOK3S
case KVM_MMIO_REG_QPR:
vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr;
break;
case KVM_MMIO_REG_FQPR:
- VCPU_FPR(vcpu, vcpu->arch.io_gpr & KVM_MMIO_REG_MASK) = gpr;
+ kvmppc_set_fpr(vcpu, vcpu->arch.io_gpr & KVM_MMIO_REG_MASK, gpr);
vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_MMIO_REG_MASK] = gpr;
break;
#endif
@@ -1428,9 +1413,9 @@ static inline int kvmppc_get_vsr_data(struct kvm_vcpu *vcpu, int rs, u64 *val)
}
if (rs < 32) {
- *val = VCPU_VSX_FPR(vcpu, rs, vsx_offset);
+ *val = kvmppc_get_vsx_fpr(vcpu, rs, vsx_offset);
} else {
- reg.vval = VCPU_VSX_VR(vcpu, rs - 32);
+ kvmppc_get_vsx_vr(vcpu, rs - 32, &reg.vval);
*val = reg.vsxval[vsx_offset];
}
break;
@@ -1447,10 +1432,10 @@ static inline int kvmppc_get_vsr_data(struct kvm_vcpu *vcpu, int rs, u64 *val)
if (rs < 32) {
dword_offset = vsx_offset / 2;
word_offset = vsx_offset % 2;
- reg.vsxval[0] = VCPU_VSX_FPR(vcpu, rs, dword_offset);
+ reg.vsxval[0] = kvmppc_get_vsx_fpr(vcpu, rs, dword_offset);
*val = reg.vsx32val[word_offset];
} else {
- reg.vval = VCPU_VSX_VR(vcpu, rs - 32);
+ kvmppc_get_vsx_vr(vcpu, rs - 32, &reg.vval);
*val = reg.vsx32val[vsx_offset];
}
break;
@@ -1565,7 +1550,7 @@ static int kvmppc_get_vmx_dword(struct kvm_vcpu *vcpu, int index, u64 *val)
if (vmx_offset == -1)
return -1;
- reg.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &reg.vval);
*val = reg.vsxval[vmx_offset];
return result;
@@ -1583,7 +1568,7 @@ static int kvmppc_get_vmx_word(struct kvm_vcpu *vcpu, int index, u64 *val)
if (vmx_offset == -1)
return -1;
- reg.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &reg.vval);
*val = reg.vsx32val[vmx_offset];
return result;
@@ -1601,7 +1586,7 @@ static int kvmppc_get_vmx_hword(struct kvm_vcpu *vcpu, int index, u64 *val)
if (vmx_offset == -1)
return -1;
- reg.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &reg.vval);
*val = reg.vsx16val[vmx_offset];
return result;
@@ -1619,7 +1604,7 @@ static int kvmppc_get_vmx_byte(struct kvm_vcpu *vcpu, int index, u64 *val)
if (vmx_offset == -1)
return -1;
- reg.vval = VCPU_VSX_VR(vcpu, index);
+ kvmppc_get_vsx_vr(vcpu, index, &reg.vval);
*val = reg.vsx8val[vmx_offset];
return result;
@@ -1728,17 +1713,17 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
r = -ENXIO;
break;
}
- val.vval = vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0];
+ kvmppc_get_vsx_vr(vcpu, reg->id - KVM_REG_PPC_VR0, &val.vval);
break;
case KVM_REG_PPC_VSCR:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
- val = get_reg_val(reg->id, vcpu->arch.vr.vscr.u[3]);
+ val = get_reg_val(reg->id, kvmppc_get_vscr(vcpu));
break;
case KVM_REG_PPC_VRSAVE:
- val = get_reg_val(reg->id, vcpu->arch.vrsave);
+ val = get_reg_val(reg->id, kvmppc_get_vrsave(vcpu));
break;
#endif /* CONFIG_ALTIVEC */
default:
@@ -1779,21 +1764,21 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
r = -ENXIO;
break;
}
- vcpu->arch.vr.vr[reg->id - KVM_REG_PPC_VR0] = val.vval;
+ kvmppc_set_vsx_vr(vcpu, reg->id - KVM_REG_PPC_VR0, &val.vval);
break;
case KVM_REG_PPC_VSCR:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
- vcpu->arch.vr.vscr.u[3] = set_reg_val(reg->id, val);
+ kvmppc_set_vscr(vcpu, set_reg_val(reg->id, val));
break;
case KVM_REG_PPC_VRSAVE:
if (!cpu_has_feature(CPU_FTR_ALTIVEC)) {
r = -ENXIO;
break;
}
- vcpu->arch.vrsave = set_reg_val(reg->id, val);
+ kvmppc_set_vrsave(vcpu, set_reg_val(reg->id, val));
break;
#endif /* CONFIG_ALTIVEC */
default:
@@ -2166,10 +2151,25 @@ static int kvm_vm_ioctl_get_pvinfo(struct kvm_ppc_pvinfo *pvinfo)
return 0;
}
+bool kvm_arch_irqchip_in_kernel(struct kvm *kvm)
+{
+ int ret = 0;
+
+#ifdef CONFIG_KVM_MPIC
+ ret = ret || (kvm->arch.mpic != NULL);
+#endif
+#ifdef CONFIG_KVM_XICS
+ ret = ret || (kvm->arch.xics != NULL);
+ ret = ret || (kvm->arch.xive != NULL);
+#endif
+ smp_rmb();
+ return ret;
+}
+
int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event,
bool line_status)
{
- if (!irqchip_in_kernel(kvm))
+ if (!kvm_arch_irqchip_in_kernel(kvm))
return -ENXIO;
irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
@@ -2373,12 +2373,11 @@ static int kvmppc_get_cpu_char(struct kvm_ppc_cpu_char *cp)
}
#endif
-long kvm_arch_vm_ioctl(struct file *filp,
- unsigned int ioctl, unsigned long arg)
+int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg)
{
struct kvm *kvm __maybe_unused = filp->private_data;
void __user *argp = (void __user *)arg;
- long r;
+ int r;
switch (ioctl) {
case KVM_PPC_GET_PVINFO: {
@@ -2531,11 +2530,6 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param)
}
EXPORT_SYMBOL_GPL(kvmppc_init_lpid);
-int kvm_arch_init(void *opaque)
-{
- return 0;
-}
-
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_ppc_instr);
void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
@@ -2544,9 +2538,8 @@ void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_
vcpu->kvm->arch.kvm_ops->create_vcpu_debugfs(vcpu, debugfs_dentry);
}
-int kvm_arch_create_vm_debugfs(struct kvm *kvm)
+void kvm_arch_create_vm_debugfs(struct kvm *kvm)
{
if (kvm->arch.kvm_ops->create_vm_debugfs)
kvm->arch.kvm_ops->create_vm_debugfs(kvm);
- return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.