Add KVM_SET_ENTITLEMENT ioctl to pass the entitlement to the hypervisor.
Signed-off-by: Michael Wolf <m...@linux.vnet.ibm.com>
---
cpu-defs.h | 1 +
cpus.c | 1 +
cpus.h | 1 +
kvm-all.c | 1 +
linux-headers/linux/kvm.h | 2 ++
5 files changed, 6 insertions(+)
diff --git a/cpu-defs.h b/cpu-defs.h
index 4018b88..ae24e8e 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -200,6 +200,7 @@ typedef struct CPUWatchpoint {
int numa_node; /* NUMA node this cpu is belonging to */ \
int nr_cores; /* number of cores within this CPU package */ \
int nr_threads;/* number of threads within this CPU */ \
+ int cpu_entitlement; /* the % of the pcpu that the vcpu receives */ \
int running; /* Nonzero if cpu is currently running(usermode). */ \
int thread_id; \
/* user data */ \
diff --git a/cpus.c b/cpus.c
index e476a3c..ef8b762 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1042,6 +1042,7 @@ void qemu_init_vcpu(void *_env)
env->nr_cores = smp_cores;
env->nr_threads = smp_threads;
+ env->cpu_entitlement = cpu_entitlement;
env->stopped = 1;
if (kvm_enabled()) {
qemu_kvm_start_vcpu(env);
diff --git a/cpus.h b/cpus.h
index 81bd817..704d6df 100644
--- a/cpus.h
+++ b/cpus.h
@@ -16,6 +16,7 @@ void qtest_clock_warp(int64_t dest);
/* vl.c */
extern int smp_cores;
extern int smp_threads;
+extern int cpu_entitlement;
void set_numa_modes(void);
void set_cpu_log(const char *optarg);
void set_cpu_log_filename(const char *optarg);
diff --git a/kvm-all.c b/kvm-all.c
index 34b02c1..dee1b9b 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -246,6 +246,7 @@ int kvm_init_vcpu(CPUArchState *env)
s->coalesced_mmio_ring =
(void *)env->kvm_run + s->coalesced_mmio * PAGE_SIZE;
}
+ kvm_vm_ioctl(s, KVM_SET_ENTITLEMENT, env->cpu_entitlement);
ret = kvm_arch_init_vcpu(env);
if (ret == 0) {
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 5a9d4e3..46dbde5 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -901,6 +901,8 @@ struct kvm_s390_ucas_mapping {
#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
/* VM is being stopped by host */
#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
+/* Set the cpu entitlement this will be used to adjust stealtime reporting */
+#define KVM_SET_ENTITLEMENT _IOW(KVMIO, 0xae, unsigned long)
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
