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-rw-r--r--hw/spapr.c14
-rw-r--r--target-ppc/kvm.c40
-rw-r--r--target-ppc/kvm_ppc.h5
3 files changed, 58 insertions, 1 deletions
diff --git a/hw/spapr.c b/hw/spapr.c
index 8cf93fe51e..c5c9a95197 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -38,6 +38,9 @@
#include "hw/spapr_vio.h"
#include "hw/xics.h"
+#include "kvm.h"
+#include "kvm_ppc.h"
+
#include <libfdt.h>
#define KERNEL_LOAD_ADDR 0x00000000
@@ -336,12 +339,21 @@ static void ppc_spapr_init(ram_addr_t ram_size,
* later we should probably make it scale to the size of guest
* RAM */
spapr->htab_size = 1ULL << (pteg_shift + 7);
- spapr->htab = g_malloc(spapr->htab_size);
+ spapr->htab = qemu_memalign(spapr->htab_size, spapr->htab_size);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
env->external_htab = spapr->htab;
env->htab_base = -1;
env->htab_mask = spapr->htab_size - 1;
+
+ /* Tell KVM that we're in PAPR mode */
+ env->spr[SPR_SDR1] = (unsigned long)spapr->htab |
+ ((pteg_shift + 7) - 18);
+ env->spr[SPR_HIOR] = 0;
+
+ if (kvm_enabled()) {
+ kvmppc_set_papr(env);
+ }
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 77b98c4d73..f65b6e1f4a 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -29,6 +29,10 @@
#include "cpu.h"
#include "device_tree.h"
+#include "hw/sysbus.h"
+#include "hw/spapr.h"
+#include "hw/spapr_vio.h"
+
//#define DEBUG_KVM
#ifdef DEBUG_KVM
@@ -455,6 +459,14 @@ int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run)
dprintf("handle halt\n");
ret = kvmppc_handle_halt(env);
break;
+#ifdef CONFIG_PSERIES
+ case KVM_EXIT_PAPR_HCALL:
+ dprintf("handle PAPR hypercall\n");
+ run->papr_hcall.ret = spapr_hypercall(env, run->papr_hcall.nr,
+ run->papr_hcall.args);
+ ret = 1;
+ break;
+#endif
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
ret = -1;
@@ -606,6 +618,34 @@ int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
return 0;
}
+void kvmppc_set_papr(CPUState *env)
+{
+ struct kvm_enable_cap cap;
+ int ret;
+
+ memset(&cap, 0, sizeof(cap));
+ cap.cap = KVM_CAP_PPC_PAPR;
+ ret = kvm_vcpu_ioctl(env, KVM_ENABLE_CAP, &cap);
+
+ if (ret) {
+ goto fail;
+ }
+
+ /*
+ * XXX We set HIOR here. It really should be a qdev property of
+ * the CPU node, but we don't have CPUs converted to qdev yet.
+ *
+ * Once we have qdev CPUs, move HIOR to a qdev property and
+ * remove this chunk.
+ */
+ /* XXX Set HIOR using new ioctl */
+
+ return;
+
+fail:
+ cpu_abort(env, "This KVM version does not support PAPR\n");
+}
+
bool kvm_arch_stop_on_emulation_error(CPUState *env)
{
return true;
diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h
index 76f98d9ab2..c484e60bcb 100644
--- a/target-ppc/kvm_ppc.h
+++ b/target-ppc/kvm_ppc.h
@@ -17,6 +17,7 @@ uint32_t kvmppc_get_tbfreq(void);
uint64_t kvmppc_get_clockfreq(void);
int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
int kvmppc_set_interrupt(CPUState *env, int irq, int level);
+void kvmppc_set_papr(CPUState *env);
#else
@@ -40,6 +41,10 @@ static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level)
return -1;
}
+static inline void kvmppc_set_papr(CPUState *env)
+{
+}
+
#endif
#ifndef CONFIG_KVM