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Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
-rw-r--r--arch/powerpc/kvm/powerpc.c135
1 files changed, 57 insertions, 78 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 7197c8256668..9a89a6d98f97 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -69,7 +69,7 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
/*
* Common checks before entering the guest world. Call with interrupts
- * disabled.
+ * enabled.
*
* returns:
*
@@ -528,7 +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;
@@ -551,12 +550,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_CAP_SPAPR_TCE:
+ fallthrough;
case KVM_CAP_SPAPR_TCE_64:
- r = 1;
- break;
case KVM_CAP_SPAPR_TCE_VFIO:
- r = !!cpu_has_feature(CPU_FTR_HVMODE);
- break;
case KVM_CAP_PPC_RTAS:
case KVM_CAP_PPC_FIXUP_HCALL:
case KVM_CAP_PPC_ENABLE_HCALL:
@@ -578,7 +574,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
break;
#endif
-#ifdef CONFIG_HAVE_KVM_IRQFD
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
case KVM_CAP_IRQFD_RESAMPLE:
r = !xive_enabled();
break;
@@ -613,9 +609,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = 8 | 4 | 2 | 1;
}
break;
- case KVM_CAP_PPC_RMA:
- r = 0;
- break;
case KVM_CAP_PPC_HWRNG:
r = kvmppc_hwrng_present();
break;
@@ -632,13 +625,8 @@ 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:
@@ -775,8 +763,8 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
{
int err;
- hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
- vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup;
+ hrtimer_setup(&vcpu->arch.dec_timer, kvmppc_decrementer_wakeup, CLOCK_REALTIME,
+ HRTIMER_MODE_ABS);
#ifdef CONFIG_KVM_EXIT_TIMING
mutex_init(&vcpu->arch.exit_timing_lock);
@@ -934,11 +922,11 @@ 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);
}
}
@@ -949,13 +937,13 @@ 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);
}
}
@@ -970,12 +958,12 @@ 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]);
}
}
@@ -991,15 +979,15 @@ 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 */
@@ -1058,9 +1046,9 @@ 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,
@@ -1074,9 +1062,9 @@ 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,
@@ -1090,9 +1078,9 @@ 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,
@@ -1106,9 +1094,9 @@ 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 */
@@ -1194,14 +1182,14 @@ 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
@@ -1419,9 +1407,9 @@ 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;
@@ -1438,10 +1426,10 @@ 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;
@@ -1556,7 +1544,7 @@ 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;
@@ -1574,7 +1562,7 @@ 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;
@@ -1592,7 +1580,7 @@ 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;
@@ -1610,7 +1598,7 @@ 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;
@@ -1719,17 +1707,17 @@ 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:
@@ -1770,21 +1758,21 @@ 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:
@@ -1858,7 +1846,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
kvm_sigset_activate(vcpu);
- if (run->immediate_exit)
+ if (!vcpu->wants_to_run)
r = -EINTR;
else
r = kvmppc_vcpu_run(vcpu);
@@ -1939,54 +1927,48 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
#endif
#ifdef CONFIG_KVM_MPIC
case KVM_CAP_IRQ_MPIC: {
- struct fd f;
+ CLASS(fd, f)(cap->args[0]);
struct kvm_device *dev;
r = -EBADF;
- f = fdget(cap->args[0]);
- if (!f.file)
+ if (fd_empty(f))
break;
r = -EPERM;
- dev = kvm_device_from_filp(f.file);
+ dev = kvm_device_from_filp(fd_file(f));
if (dev)
r = kvmppc_mpic_connect_vcpu(dev, vcpu, cap->args[1]);
- fdput(f);
break;
}
#endif
#ifdef CONFIG_KVM_XICS
case KVM_CAP_IRQ_XICS: {
- struct fd f;
+ CLASS(fd, f)(cap->args[0]);
struct kvm_device *dev;
r = -EBADF;
- f = fdget(cap->args[0]);
- if (!f.file)
+ if (fd_empty(f))
break;
r = -EPERM;
- dev = kvm_device_from_filp(f.file);
+ dev = kvm_device_from_filp(fd_file(f));
if (dev) {
if (xics_on_xive())
r = kvmppc_xive_connect_vcpu(dev, vcpu, cap->args[1]);
else
r = kvmppc_xics_connect_vcpu(dev, vcpu, cap->args[1]);
}
-
- fdput(f);
break;
}
#endif /* CONFIG_KVM_XICS */
#ifdef CONFIG_KVM_XIVE
case KVM_CAP_PPC_IRQ_XIVE: {
- struct fd f;
+ CLASS(fd, f)(cap->args[0]);
struct kvm_device *dev;
r = -EBADF;
- f = fdget(cap->args[0]);
- if (!f.file)
+ if (fd_empty(f))
break;
r = -ENXIO;
@@ -1994,12 +1976,10 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
break;
r = -EPERM;
- dev = kvm_device_from_filp(f.file);
+ dev = kvm_device_from_filp(fd_file(f));
if (dev)
r = kvmppc_xive_native_connect_vcpu(dev, vcpu,
cap->args[1]);
-
- fdput(f);
break;
}
#endif /* CONFIG_KVM_XIVE */
@@ -2048,8 +2028,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
return -EINVAL;
}
-long kvm_arch_vcpu_async_ioctl(struct file *filp,
- unsigned int ioctl, unsigned long arg)
+long kvm_arch_vcpu_unlocked_ioctl(struct file *filp, unsigned int ioctl,
+ unsigned long arg)
{
struct kvm_vcpu *vcpu = filp->private_data;
void __user *argp = (void __user *)arg;
@@ -2544,9 +2524,8 @@ 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;
}
generated by cgit (git 2.34.1) at 2025-12-25 04:17:29 +0000