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* target/i386/kvm: support for reading RAPL MSRs using a helper program

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* hpet: emulation improvements
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386/kvm: support for reading RAPL MSRs using a helper program
* hpet: emulation improvements

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# gpg: Signature made Tue 23 Jul 2024 03:19:58 AM AEST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
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# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  hpet: avoid timer storms on periodic timers
  hpet: store full 64-bit target value of the counter
  hpet: accept 64-bit reads and writes
  hpet: place read-only bits directly in "new_val"
  hpet: remove unnecessary variable "index"
  hpet: ignore high bits of comparator in 32-bit mode
  hpet: fix and cleanup persistence of interrupt status
  Add support for RAPL MSRs in KVM/Qemu
  tools: build qemu-vmsr-helper
  qio: add support for SO_PEERCRED for socket channel
  target/i386: do not crash if microvm guest uses SGX CPUID leaves

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-07-24 11:25:40 +10:00
commit 43f59bf765
23 changed files with 1995 additions and 185 deletions
Download patch file Download diff file Expand all files Collapse all files

32
include/sysemu/kvm_int.h
View file

@ -14,6 +14,9 @@
#include "qemu/accel.h"
#include "qemu/queue.h"
#include "sysemu/kvm.h"
#include "hw/boards.h"
#include "hw/i386/topology.h"
#include "io/channel-socket.h"
typedef struct KVMSlot
{
@ -50,6 +53,34 @@ typedef struct KVMMemoryListener {
#define KVM_MSI_HASHTAB_SIZE 256
typedef struct KVMHostTopoInfo {
/* Number of package on the Host */
unsigned int maxpkgs;
/* Number of cpus on the Host */
unsigned int maxcpus;
/* Number of cpus on each different package */
unsigned int *pkg_cpu_count;
/* Each package can have different maxticks */
unsigned int *maxticks;
} KVMHostTopoInfo;
struct KVMMsrEnergy {
pid_t pid;
bool enable;
char *socket_path;
QIOChannelSocket *sioc;
QemuThread msr_thr;
unsigned int guest_vcpus;
unsigned int guest_vsockets;
X86CPUTopoInfo guest_topo_info;
KVMHostTopoInfo host_topo;
const CPUArchIdList *guest_cpu_list;
uint64_t *msr_value;
uint64_t msr_unit;
uint64_t msr_limit;
uint64_t msr_info;
};
enum KVMDirtyRingReaperState {
KVM_DIRTY_RING_REAPER_NONE = 0,
/* The reaper is sleeping */
@ -117,6 +148,7 @@ struct KVMState
bool kvm_dirty_ring_with_bitmap;
uint64_t kvm_eager_split_size; /* Eager Page Splitting chunk size */
struct KVMDirtyRingReaper reaper;
struct KVMMsrEnergy msr_energy;
NotifyVmexitOption notify_vmexit;
uint32_t notify_window;
uint32_t xen_version;