Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 8dd4d2b..543db91 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -31,6 +31,7 @@
#include <asm/hvcall.h>
#include <asm/plpar_wrappers.h>
#endif
+#include <asm/ultravisor.h>
#include "timing.h"
#include "irq.h"
@@ -278,7 +279,7 @@
}
EXPORT_SYMBOL_GPL(kvmppc_sanity_check);
-int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu)
+int kvmppc_emulate_mmio(struct kvm_vcpu *vcpu)
{
enum emulation_result er;
int r;
@@ -294,7 +295,7 @@
r = RESUME_GUEST;
break;
case EMULATE_DO_MMIO:
- run->exit_reason = KVM_EXIT_MMIO;
+ vcpu->run->exit_reason = KVM_EXIT_MMIO;
/* We must reload nonvolatiles because "update" load/store
* instructions modify register state. */
/* Future optimization: only reload non-volatiles if they were
@@ -402,7 +403,10 @@
return EMULATE_DONE;
}
- if (kvm_read_guest(vcpu->kvm, pte.raddr, ptr, size))
+ vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
+ rc = kvm_read_guest(vcpu->kvm, pte.raddr, ptr, size);
+ srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
+ if (rc)
return EMULATE_DO_MMIO;
return EMULATE_DONE;
@@ -414,12 +418,12 @@
return 0;
}
-int kvm_arch_hardware_setup(void)
+int kvm_arch_hardware_setup(void *opaque)
{
return 0;
}
-int kvm_arch_check_processor_compat(void)
+int kvm_arch_check_processor_compat(void *opaque)
{
return kvmppc_core_check_processor_compat();
}
@@ -473,7 +477,7 @@
#endif
kvm_for_each_vcpu(i, vcpu, kvm)
- kvm_arch_vcpu_free(vcpu);
+ kvm_vcpu_destroy(vcpu);
mutex_lock(&kvm->lock);
for (i = 0; i < atomic_read(&kvm->online_vcpus); i++)
@@ -520,8 +524,10 @@
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_IMMEDIATE_EXIT:
+ case KVM_CAP_SET_GUEST_DEBUG:
r = 1;
break;
+ case KVM_CAP_PPC_GUEST_DEBUG_SSTEP:
case KVM_CAP_PPC_PAIRED_SINGLES:
case KVM_CAP_PPC_OSI:
case KVM_CAP_PPC_GET_PVINFO:
@@ -667,6 +673,12 @@
(hv_enabled && cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST));
break;
#endif
+#if defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE)
+ case KVM_CAP_PPC_SECURE_GUEST:
+ r = hv_enabled && kvmppc_hv_ops->enable_svm &&
+ !kvmppc_hv_ops->enable_svm(NULL);
+ break;
+#endif
default:
r = 0;
break;
@@ -681,16 +693,9 @@
return -EINVAL;
}
-void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
- struct kvm_memory_slot *dont)
+void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot)
{
- kvmppc_core_free_memslot(kvm, free, dont);
-}
-
-int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
- unsigned long npages)
-{
- return kvmppc_core_create_memslot(kvm, slot, npages);
+ kvmppc_core_free_memslot(kvm, slot);
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
@@ -698,12 +703,12 @@
const struct kvm_userspace_memory_region *mem,
enum kvm_mr_change change)
{
- return kvmppc_core_prepare_memory_region(kvm, memslot, mem);
+ return kvmppc_core_prepare_memory_region(kvm, memslot, mem, change);
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
- const struct kvm_memory_slot *old,
+ struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{
@@ -716,22 +721,54 @@
kvmppc_core_flush_memslot(kvm, slot);
}
-struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
+int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id)
+{
+ return 0;
+}
+
+static enum hrtimer_restart kvmppc_decrementer_wakeup(struct hrtimer *timer)
{
struct kvm_vcpu *vcpu;
- vcpu = kvmppc_core_vcpu_create(kvm, id);
- if (!IS_ERR(vcpu)) {
- vcpu->arch.wqp = &vcpu->wq;
- kvmppc_create_vcpu_debugfs(vcpu, id);
- }
- return vcpu;
+
+ vcpu = container_of(timer, struct kvm_vcpu, arch.dec_timer);
+ kvmppc_decrementer_func(vcpu);
+
+ return HRTIMER_NORESTART;
+}
+
+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;
+ vcpu->arch.dec_expires = get_tb();
+
+#ifdef CONFIG_KVM_EXIT_TIMING
+ mutex_init(&vcpu->arch.exit_timing_lock);
+#endif
+ err = kvmppc_subarch_vcpu_init(vcpu);
+ if (err)
+ return err;
+
+ err = kvmppc_core_vcpu_create(vcpu);
+ if (err)
+ goto out_vcpu_uninit;
+
+ vcpu->arch.waitp = &vcpu->wait;
+ kvmppc_create_vcpu_debugfs(vcpu, vcpu->vcpu_id);
+ return 0;
+
+out_vcpu_uninit:
+ kvmppc_subarch_vcpu_uninit(vcpu);
+ return err;
}
void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
{
}
-void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
+void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
/* Make sure we're not using the vcpu anymore */
hrtimer_cancel(&vcpu->arch.dec_timer);
@@ -754,11 +791,8 @@
}
kvmppc_core_vcpu_free(vcpu);
-}
-void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
-{
- kvm_arch_vcpu_free(vcpu);
+ kvmppc_subarch_vcpu_uninit(vcpu);
}
int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
@@ -766,37 +800,6 @@
return kvmppc_core_pending_dec(vcpu);
}
-static enum hrtimer_restart kvmppc_decrementer_wakeup(struct hrtimer *timer)
-{
- struct kvm_vcpu *vcpu;
-
- vcpu = container_of(timer, struct kvm_vcpu, arch.dec_timer);
- kvmppc_decrementer_func(vcpu);
-
- return HRTIMER_NORESTART;
-}
-
-int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
-{
- int ret;
-
- 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);
-#endif
- ret = kvmppc_subarch_vcpu_init(vcpu);
- return ret;
-}
-
-void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
-{
- kvmppc_mmu_destroy(vcpu);
- kvmppc_subarch_vcpu_uninit(vcpu);
-}
-
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
#ifdef CONFIG_BOOKE
@@ -1107,10 +1110,10 @@
#define dp_to_sp(x) (x)
#endif /* CONFIG_PPC_FPU */
-static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
- struct kvm_run *run)
+static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu)
{
- u64 uninitialized_var(gpr);
+ struct kvm_run *run = vcpu->run;
+ u64 gpr;
if (run->mmio.len > sizeof(gpr)) {
printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
@@ -1219,10 +1222,11 @@
}
}
-static int __kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+static int __kvmppc_handle_load(struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_default_endian, int sign_extend)
{
+ struct kvm_run *run = vcpu->run;
int idx, ret;
bool host_swabbed;
@@ -1256,7 +1260,7 @@
srcu_read_unlock(&vcpu->kvm->srcu, idx);
if (!ret) {
- kvmppc_complete_mmio_load(vcpu, run);
+ kvmppc_complete_mmio_load(vcpu);
vcpu->mmio_needed = 0;
return EMULATE_DONE;
}
@@ -1264,24 +1268,24 @@
return EMULATE_DO_MMIO;
}
-int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_load(struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_default_endian)
{
- return __kvmppc_handle_load(run, vcpu, rt, bytes, is_default_endian, 0);
+ return __kvmppc_handle_load(vcpu, rt, bytes, is_default_endian, 0);
}
EXPORT_SYMBOL_GPL(kvmppc_handle_load);
/* Same as above, but sign extends */
-int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_loads(struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_default_endian)
{
- return __kvmppc_handle_load(run, vcpu, rt, bytes, is_default_endian, 1);
+ return __kvmppc_handle_load(vcpu, rt, bytes, is_default_endian, 1);
}
#ifdef CONFIG_VSX
-int kvmppc_handle_vsx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_vsx_load(struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_default_endian, int mmio_sign_extend)
{
@@ -1292,13 +1296,13 @@
return EMULATE_FAIL;
while (vcpu->arch.mmio_vsx_copy_nums) {
- emulated = __kvmppc_handle_load(run, vcpu, rt, bytes,
+ emulated = __kvmppc_handle_load(vcpu, rt, bytes,
is_default_endian, mmio_sign_extend);
if (emulated != EMULATE_DONE)
break;
- vcpu->arch.paddr_accessed += run->mmio.len;
+ vcpu->arch.paddr_accessed += vcpu->run->mmio.len;
vcpu->arch.mmio_vsx_copy_nums--;
vcpu->arch.mmio_vsx_offset++;
@@ -1307,9 +1311,10 @@
}
#endif /* CONFIG_VSX */
-int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_store(struct kvm_vcpu *vcpu,
u64 val, unsigned int bytes, int is_default_endian)
{
+ struct kvm_run *run = vcpu->run;
void *data = run->mmio.data;
int idx, ret;
bool host_swabbed;
@@ -1423,7 +1428,7 @@
return result;
}
-int kvmppc_handle_vsx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_vsx_store(struct kvm_vcpu *vcpu,
int rs, unsigned int bytes, int is_default_endian)
{
u64 val;
@@ -1439,13 +1444,13 @@
if (kvmppc_get_vsr_data(vcpu, rs, &val) == -1)
return EMULATE_FAIL;
- emulated = kvmppc_handle_store(run, vcpu,
+ emulated = kvmppc_handle_store(vcpu,
val, bytes, is_default_endian);
if (emulated != EMULATE_DONE)
break;
- vcpu->arch.paddr_accessed += run->mmio.len;
+ vcpu->arch.paddr_accessed += vcpu->run->mmio.len;
vcpu->arch.mmio_vsx_copy_nums--;
vcpu->arch.mmio_vsx_offset++;
@@ -1454,19 +1459,19 @@
return emulated;
}
-static int kvmppc_emulate_mmio_vsx_loadstore(struct kvm_vcpu *vcpu,
- struct kvm_run *run)
+static int kvmppc_emulate_mmio_vsx_loadstore(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
enum emulation_result emulated = EMULATE_FAIL;
int r;
vcpu->arch.paddr_accessed += run->mmio.len;
if (!vcpu->mmio_is_write) {
- emulated = kvmppc_handle_vsx_load(run, vcpu, vcpu->arch.io_gpr,
+ emulated = kvmppc_handle_vsx_load(vcpu, vcpu->arch.io_gpr,
run->mmio.len, 1, vcpu->arch.mmio_sign_extend);
} else {
- emulated = kvmppc_handle_vsx_store(run, vcpu,
+ emulated = kvmppc_handle_vsx_store(vcpu,
vcpu->arch.io_gpr, run->mmio.len, 1);
}
@@ -1490,7 +1495,7 @@
#endif /* CONFIG_VSX */
#ifdef CONFIG_ALTIVEC
-int kvmppc_handle_vmx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_vmx_load(struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes, int is_default_endian)
{
enum emulation_result emulated = EMULATE_DONE;
@@ -1499,13 +1504,13 @@
return EMULATE_FAIL;
while (vcpu->arch.mmio_vmx_copy_nums) {
- emulated = __kvmppc_handle_load(run, vcpu, rt, bytes,
+ emulated = __kvmppc_handle_load(vcpu, rt, bytes,
is_default_endian, 0);
if (emulated != EMULATE_DONE)
break;
- vcpu->arch.paddr_accessed += run->mmio.len;
+ vcpu->arch.paddr_accessed += vcpu->run->mmio.len;
vcpu->arch.mmio_vmx_copy_nums--;
vcpu->arch.mmio_vmx_offset++;
}
@@ -1585,7 +1590,7 @@
return result;
}
-int kvmppc_handle_vmx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_handle_vmx_store(struct kvm_vcpu *vcpu,
unsigned int rs, unsigned int bytes, int is_default_endian)
{
u64 val = 0;
@@ -1620,12 +1625,12 @@
return EMULATE_FAIL;
}
- emulated = kvmppc_handle_store(run, vcpu, val, bytes,
+ emulated = kvmppc_handle_store(vcpu, val, bytes,
is_default_endian);
if (emulated != EMULATE_DONE)
break;
- vcpu->arch.paddr_accessed += run->mmio.len;
+ vcpu->arch.paddr_accessed += vcpu->run->mmio.len;
vcpu->arch.mmio_vmx_copy_nums--;
vcpu->arch.mmio_vmx_offset++;
}
@@ -1633,19 +1638,19 @@
return emulated;
}
-static int kvmppc_emulate_mmio_vmx_loadstore(struct kvm_vcpu *vcpu,
- struct kvm_run *run)
+static int kvmppc_emulate_mmio_vmx_loadstore(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
enum emulation_result emulated = EMULATE_FAIL;
int r;
vcpu->arch.paddr_accessed += run->mmio.len;
if (!vcpu->mmio_is_write) {
- emulated = kvmppc_handle_vmx_load(run, vcpu,
+ emulated = kvmppc_handle_vmx_load(vcpu,
vcpu->arch.io_gpr, run->mmio.len, 1);
} else {
- emulated = kvmppc_handle_vmx_store(run, vcpu,
+ emulated = kvmppc_handle_vmx_store(vcpu,
vcpu->arch.io_gpr, run->mmio.len, 1);
}
@@ -1765,8 +1770,9 @@
return r;
}
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
int r;
vcpu_load(vcpu);
@@ -1774,7 +1780,7 @@
if (vcpu->mmio_needed) {
vcpu->mmio_needed = 0;
if (!vcpu->mmio_is_write)
- kvmppc_complete_mmio_load(vcpu, run);
+ kvmppc_complete_mmio_load(vcpu);
#ifdef CONFIG_VSX
if (vcpu->arch.mmio_vsx_copy_nums > 0) {
vcpu->arch.mmio_vsx_copy_nums--;
@@ -1782,7 +1788,7 @@
}
if (vcpu->arch.mmio_vsx_copy_nums > 0) {
- r = kvmppc_emulate_mmio_vsx_loadstore(vcpu, run);
+ r = kvmppc_emulate_mmio_vsx_loadstore(vcpu);
if (r == RESUME_HOST) {
vcpu->mmio_needed = 1;
goto out;
@@ -1796,7 +1802,7 @@
}
if (vcpu->arch.mmio_vmx_copy_nums > 0) {
- r = kvmppc_emulate_mmio_vmx_loadstore(vcpu, run);
+ r = kvmppc_emulate_mmio_vmx_loadstore(vcpu);
if (r == RESUME_HOST) {
vcpu->mmio_needed = 1;
goto out;
@@ -1829,7 +1835,7 @@
if (run->immediate_exit)
r = -EINTR;
else
- r = kvmppc_vcpu_run(run, vcpu);
+ r = kvmppc_vcpu_run(vcpu);
kvm_sigset_deactivate(vcpu);
@@ -2174,6 +2180,14 @@
r = kvm->arch.kvm_ops->enable_nested(kvm);
break;
#endif
+#if defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE)
+ case KVM_CAP_PPC_SECURE_GUEST:
+ r = -EINVAL;
+ if (!is_kvmppc_hv_enabled(kvm) || !kvm->arch.kvm_ops->enable_svm)
+ break;
+ r = kvm->arch.kvm_ops->enable_svm(kvm);
+ break;
+#endif
default:
r = -EINVAL;
break;
@@ -2411,6 +2425,16 @@
r = -EFAULT;
break;
}
+ case KVM_PPC_SVM_OFF: {
+ struct kvm *kvm = filp->private_data;
+
+ r = 0;
+ if (!kvm->arch.kvm_ops->svm_off)
+ goto out;
+
+ r = kvm->arch.kvm_ops->svm_off(kvm);
+ break;
+ }
default: {
struct kvm *kvm = filp->private_data;
r = kvm->arch.kvm_ops->arch_vm_ioctl(filp, ioctl, arg);