kvm: Allow kvm_arch_get/put_registers to accept Error**

This is necessary to provide discernible error messages to the caller.

Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240927104743.218468-2-jusual@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

7 files changed, 14 insertions, 14 deletions

diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 849e2e2..f1f1b5b 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -2042,7 +2042,7 @@ static int kvm_arch_put_sve(CPUState *cs)
     return 0;
 }
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     uint64_t val;
     uint32_t fpr;
@@ -2226,7 +2226,7 @@ static int kvm_arch_get_sve(CPUState *cs)
     return 0;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     uint64_t val;
     unsigned int el;
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 7a1f2bd..0b03fb0 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5210,7 +5210,7 @@ static int kvm_get_nested_state(X86CPU *cpu)
     return ret;
 }
 
-int kvm_arch_put_registers(CPUState *cpu, int level)
+int kvm_arch_put_registers(CPUState *cpu, int level, Error **errp)
 {
     X86CPU *x86_cpu = X86_CPU(cpu);
     int ret;
@@ -5298,7 +5298,7 @@ int kvm_arch_put_registers(CPUState *cpu, int level)
     return 0;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     X86CPU *cpu = X86_CPU(cs);
     int ret;
diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
index 4786cd5..30ec160 100644
--- a/target/loongarch/kvm/kvm.c
+++ b/target/loongarch/kvm/kvm.c
@@ -588,7 +588,7 @@ static int kvm_loongarch_put_cpucfg(CPUState *cs)
     return ret;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     int ret;
 
@@ -616,7 +616,7 @@ int kvm_arch_get_registers(CPUState *cs)
     return ret;
 }
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     int ret;
 
diff --git a/target/mips/kvm.c b/target/mips/kvm.c
index a631ab5..a98798c 100644
--- a/target/mips/kvm.c
+++ b/target/mips/kvm.c
@@ -1172,7 +1172,7 @@ static int kvm_mips_get_cp0_registers(CPUState *cs)
     return ret;
 }
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     CPUMIPSState *env = cpu_env(cs);
     struct kvm_regs regs;
@@ -1207,7 +1207,7 @@ int kvm_arch_put_registers(CPUState *cs, int level)
     return ret;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     CPUMIPSState *env = cpu_env(cs);
     int ret = 0;
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 907dba6..3efc28f 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -900,7 +900,7 @@ int kvmppc_put_books_sregs(PowerPCCPU *cpu)
     return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_SREGS, &sregs);
 }
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     PowerPCCPU *cpu = POWERPC_CPU(cs);
     CPUPPCState *env = &cpu->env;
@@ -1205,7 +1205,7 @@ static int kvmppc_get_books_sregs(PowerPCCPU *cpu)
     return 0;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     PowerPCCPU *cpu = POWERPC_CPU(cs);
     CPUPPCState *env = &cpu->env;
diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c
index f6e3156..2bfb112 100644
--- a/target/riscv/kvm/kvm-cpu.c
+++ b/target/riscv/kvm/kvm-cpu.c
@@ -1192,7 +1192,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
     KVM_CAP_LAST_INFO
 };
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     int ret = 0;
 
@@ -1237,7 +1237,7 @@ int kvm_riscv_sync_mpstate_to_kvm(RISCVCPU *cpu, int state)
     return 0;
 }
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     int ret = 0;
 
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index 94181d9..8ffe015 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -472,7 +472,7 @@ static int can_sync_regs(CPUState *cs, int regs)
 #define KVM_SYNC_REQUIRED_REGS (KVM_SYNC_GPRS | KVM_SYNC_ACRS | \
                                 KVM_SYNC_CRS | KVM_SYNC_PREFIX)
 
-int kvm_arch_put_registers(CPUState *cs, int level)
+int kvm_arch_put_registers(CPUState *cs, int level, Error **errp)
 {
     CPUS390XState *env = cpu_env(cs);
     struct kvm_fpu fpu = {};
@@ -598,7 +598,7 @@ int kvm_arch_put_registers(CPUState *cs, int level)
     return 0;
 }
 
-int kvm_arch_get_registers(CPUState *cs)
+int kvm_arch_get_registers(CPUState *cs, Error **errp)
 {
     CPUS390XState *env = cpu_env(cs);
     struct kvm_fpu fpu;