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authorNicholas Piggin <npiggin@gmail.com>2023-03-30 20:32:24 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2023-04-03 14:54:44 +1000
commit6cd5c1db9983600f1848822e86e4906377b4a899 (patch)
tree788eb8a1a62ae65a1ccacd84bc622e12e1923f4e /arch
parent460ba21d83fef766a5d34260e464c9ab8f10aa05 (diff)
KVM: PPC: Book3S HV: Set SRR1[PREFIX] bit on injected interrupts
Pass the hypervisor (H)SRR1[PREFIX] indication through to synchronous interrupts injected into the guest. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230330103224.3589928-3-npiggin@gmail.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_radix.c13
-rw-r--r--arch/powerpc/kvm/book3s_hv.c27
-rw-r--r--arch/powerpc/kvm/book3s_hv_nested.c9
-rw-r--r--arch/powerpc/kvm/emulate_loadstore.c6
-rw-r--r--arch/powerpc/kvm/powerpc.c3
5 files changed, 38 insertions, 20 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 215a6b5ba104..461307b89c3a 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -954,7 +954,9 @@ int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
if (dsisr & DSISR_BADACCESS) {
/* Reflect to the guest as DSI */
pr_err("KVM: Got radix HV page fault with DSISR=%lx\n", dsisr);
- kvmppc_core_queue_data_storage(vcpu, 0, ea, dsisr);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ ea, dsisr);
return RESUME_GUEST;
}
@@ -979,7 +981,9 @@ int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
* Bad address in guest page table tree, or other
* unusual error - reflect it to the guest as DSI.
*/
- kvmppc_core_queue_data_storage(vcpu, 0, ea, dsisr);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ ea, dsisr);
return RESUME_GUEST;
}
return kvmppc_hv_emulate_mmio(vcpu, gpa, ea, writing);
@@ -988,8 +992,9 @@ int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
if (memslot->flags & KVM_MEM_READONLY) {
if (writing) {
/* give the guest a DSI */
- kvmppc_core_queue_data_storage(vcpu, 0, ea,
- DSISR_ISSTORE | DSISR_PROTFAULT);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ ea, DSISR_ISSTORE | DSISR_PROTFAULT);
return RESUME_GUEST;
}
kvm_ro = true;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 38c6b33d759e..b2be366b5309 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1428,7 +1428,8 @@ static int kvmppc_emulate_debug_inst(struct kvm_vcpu *vcpu)
vcpu->run->debug.arch.address = kvmppc_get_pc(vcpu);
return RESUME_HOST;
} else {
- kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
+ kvmppc_core_queue_program(vcpu, SRR1_PROGILL |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED));
return RESUME_GUEST;
}
}
@@ -1630,7 +1631,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
* so that it knows that the machine check occurred.
*/
if (!vcpu->kvm->arch.fwnmi_enabled) {
- ulong flags = vcpu->arch.shregs.msr & 0x083c0000;
+ ulong flags = (vcpu->arch.shregs.msr & 0x083c0000) |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED);
kvmppc_core_queue_machine_check(vcpu, flags);
r = RESUME_GUEST;
break;
@@ -1659,7 +1661,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
* as a result of a hypervisor emulation interrupt
* (e40) getting turned into a 700 by BML RTAS.
*/
- flags = vcpu->arch.shregs.msr & 0x1f0000ull;
+ flags = (vcpu->arch.shregs.msr & 0x1f0000ull) |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED);
kvmppc_core_queue_program(vcpu, flags);
r = RESUME_GUEST;
break;
@@ -1739,7 +1742,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
}
if (!(vcpu->arch.fault_dsisr & (DSISR_NOHPTE | DSISR_PROTFAULT))) {
- kvmppc_core_queue_data_storage(vcpu, 0,
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
vcpu->arch.fault_dar, vcpu->arch.fault_dsisr);
r = RESUME_GUEST;
break;
@@ -1757,7 +1761,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
} else if (err == -1 || err == -2) {
r = RESUME_PAGE_FAULT;
} else {
- kvmppc_core_queue_data_storage(vcpu, 0,
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
vcpu->arch.fault_dar, err);
r = RESUME_GUEST;
}
@@ -1785,7 +1790,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
if (!(vcpu->arch.fault_dsisr & SRR1_ISI_NOPT)) {
kvmppc_core_queue_inst_storage(vcpu,
- vcpu->arch.fault_dsisr);
+ vcpu->arch.fault_dsisr |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED));
r = RESUME_GUEST;
break;
}
@@ -1802,7 +1808,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
} else if (err == -1) {
r = RESUME_PAGE_FAULT;
} else {
- kvmppc_core_queue_inst_storage(vcpu, err);
+ kvmppc_core_queue_inst_storage(vcpu,
+ err | (kvmppc_get_msr(vcpu) & SRR1_PREFIXED));
r = RESUME_GUEST;
}
break;
@@ -1823,7 +1830,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP) {
r = kvmppc_emulate_debug_inst(vcpu);
} else {
- kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
+ kvmppc_core_queue_program(vcpu, SRR1_PROGILL |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED));
r = RESUME_GUEST;
}
break;
@@ -1864,7 +1872,8 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
r = kvmppc_tm_unavailable(vcpu);
}
if (r == EMULATE_FAIL) {
- kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
+ kvmppc_core_queue_program(vcpu, SRR1_PROGILL |
+ (kvmppc_get_msr(vcpu) & SRR1_PREFIXED));
r = RESUME_GUEST;
}
break;
diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index 2c9db6119d89..377d0b4a05ee 100644
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -1560,7 +1560,9 @@ static long int __kvmhv_nested_page_fault(struct kvm_vcpu *vcpu,
if (!memslot || (memslot->flags & KVM_MEMSLOT_INVALID)) {
if (dsisr & (DSISR_PRTABLE_FAULT | DSISR_BADACCESS)) {
/* unusual error -> reflect to the guest as a DSI */
- kvmppc_core_queue_data_storage(vcpu, 0, ea, dsisr);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ ea, dsisr);
return RESUME_GUEST;
}
@@ -1570,8 +1572,9 @@ static long int __kvmhv_nested_page_fault(struct kvm_vcpu *vcpu,
if (memslot->flags & KVM_MEM_READONLY) {
if (writing) {
/* Give the guest a DSI */
- kvmppc_core_queue_data_storage(vcpu, 0, ea,
- DSISR_ISSTORE | DSISR_PROTFAULT);
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
+ ea, DSISR_ISSTORE | DSISR_PROTFAULT);
return RESUME_GUEST;
}
kvm_ro = true;
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index e324a174b585..1abe25ac3855 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -28,7 +28,7 @@
static bool kvmppc_check_fp_disabled(struct kvm_vcpu *vcpu)
{
if (!(kvmppc_get_msr(vcpu) & MSR_FP)) {
- kvmppc_core_queue_fpunavail(vcpu, 0);
+ kvmppc_core_queue_fpunavail(vcpu, kvmppc_get_msr(vcpu) & SRR1_PREFIXED);
return true;
}
@@ -40,7 +40,7 @@ static bool kvmppc_check_fp_disabled(struct kvm_vcpu *vcpu)
static bool kvmppc_check_vsx_disabled(struct kvm_vcpu *vcpu)
{
if (!(kvmppc_get_msr(vcpu) & MSR_VSX)) {
- kvmppc_core_queue_vsx_unavail(vcpu, 0);
+ kvmppc_core_queue_vsx_unavail(vcpu, kvmppc_get_msr(vcpu) & SRR1_PREFIXED);
return true;
}
@@ -52,7 +52,7 @@ static bool kvmppc_check_vsx_disabled(struct kvm_vcpu *vcpu)
static bool kvmppc_check_altivec_disabled(struct kvm_vcpu *vcpu)
{
if (!(kvmppc_get_msr(vcpu) & MSR_VEC)) {
- kvmppc_core_queue_vec_unavail(vcpu, 0);
+ kvmppc_core_queue_vec_unavail(vcpu, kvmppc_get_msr(vcpu) & SRR1_PREFIXED);
return true;
}
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index f9d9e0d1ab23..ec531ddc3ee5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -321,7 +321,8 @@ int kvmppc_emulate_mmio(struct kvm_vcpu *vcpu)
if (vcpu->mmio_is_write)
dsisr |= DSISR_ISSTORE;
- kvmppc_core_queue_data_storage(vcpu, 0,
+ kvmppc_core_queue_data_storage(vcpu,
+ kvmppc_get_msr(vcpu) & SRR1_PREFIXED,
vcpu->arch.vaddr_accessed, dsisr);
} else {
/*