diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_rtas.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_rtas.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index 6ad7050eb67d..77f9aa5f4ba5 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -17,13 +17,65 @@ #include <asm/hvcall.h> #include <asm/rtas.h> +#ifdef CONFIG_KVM_XICS +static void kvm_rtas_set_xive(struct kvm_vcpu *vcpu, struct rtas_args *args) +{ + u32 irq, server, priority; + int rc; + + if (args->nargs != 3 || args->nret != 1) { + rc = -3; + goto out; + } + + irq = args->args[0]; + server = args->args[1]; + priority = args->args[2]; + + rc = kvmppc_xics_set_xive(vcpu->kvm, irq, server, priority); + if (rc) + rc = -3; +out: + args->rets[0] = rc; +} + +static void kvm_rtas_get_xive(struct kvm_vcpu *vcpu, struct rtas_args *args) +{ + u32 irq, server, priority; + int rc; + + if (args->nargs != 1 || args->nret != 3) { + rc = -3; + goto out; + } + + irq = args->args[0]; + + server = priority = 0; + rc = kvmppc_xics_get_xive(vcpu->kvm, irq, &server, &priority); + if (rc) { + rc = -3; + goto out; + } + + args->rets[1] = server; + args->rets[2] = priority; +out: + args->rets[0] = rc; +} +#endif /* CONFIG_KVM_XICS */ struct rtas_handler { void (*handler)(struct kvm_vcpu *vcpu, struct rtas_args *args); char *name; }; -static struct rtas_handler rtas_handlers[] = { }; +static struct rtas_handler rtas_handlers[] = { +#ifdef CONFIG_KVM_XICS + { .name = "ibm,set-xive", .handler = kvm_rtas_set_xive }, + { .name = "ibm,get-xive", .handler = kvm_rtas_get_xive }, +#endif +}; struct rtas_token_definition { struct list_head list; |