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authorChenyi Qiang <chenyi.qiang@intel.com>2022-09-29 15:20:13 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2022-10-11 09:36:00 +0200
commit5f8a6bce1f1080058ed29d716cae81ea805142ae (patch)
tree4682287d6ea38e8cb1947a6a2d89a0f8f6f28448 /include/sysemu
parent3dba0a335cf5c53146b606be6ddfab4df81c464e (diff)
kvm: expose struct KVMState
Expose struct KVMState out of kvm-all.c so that the field of struct KVMState can be accessed when defining target-specific accelerator properties. Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com> Message-Id: <20220929072014.20705-4-chenyi.qiang@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/sysemu')
-rw-r--r--include/sysemu/kvm_int.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/sysemu/kvm_int.h b/include/sysemu/kvm_int.h
index 1f5487d9b7..3b4adcdc10 100644
--- a/include/sysemu/kvm_int.h
+++ b/include/sysemu/kvm_int.h
@@ -10,6 +10,7 @@
#define QEMU_KVM_INT_H
#include "exec/memory.h"
+#include "qapi/qapi-types-common.h"
#include "qemu/accel.h"
#include "sysemu/kvm.h"
@@ -36,6 +37,81 @@ typedef struct KVMMemoryListener {
int as_id;
} KVMMemoryListener;
+#define KVM_MSI_HASHTAB_SIZE 256
+
+enum KVMDirtyRingReaperState {
+ KVM_DIRTY_RING_REAPER_NONE = 0,
+ /* The reaper is sleeping */
+ KVM_DIRTY_RING_REAPER_WAIT,
+ /* The reaper is reaping for dirty pages */
+ KVM_DIRTY_RING_REAPER_REAPING,
+};
+
+/*
+ * KVM reaper instance, responsible for collecting the KVM dirty bits
+ * via the dirty ring.
+ */
+struct KVMDirtyRingReaper {
+ /* The reaper thread */
+ QemuThread reaper_thr;
+ volatile uint64_t reaper_iteration; /* iteration number of reaper thr */
+ volatile enum KVMDirtyRingReaperState reaper_state; /* reap thr state */
+};
+struct KVMState
+{
+ AccelState parent_obj;
+
+ int nr_slots;
+ int fd;
+ int vmfd;
+ int coalesced_mmio;
+ int coalesced_pio;
+ struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
+ bool coalesced_flush_in_progress;
+ int vcpu_events;
+ int robust_singlestep;
+ int debugregs;
+#ifdef KVM_CAP_SET_GUEST_DEBUG
+ QTAILQ_HEAD(, kvm_sw_breakpoint) kvm_sw_breakpoints;
+#endif
+ int max_nested_state_len;
+ int many_ioeventfds;
+ int intx_set_mask;
+ int kvm_shadow_mem;
+ bool kernel_irqchip_allowed;
+ bool kernel_irqchip_required;
+ OnOffAuto kernel_irqchip_split;
+ bool sync_mmu;
+ uint64_t manual_dirty_log_protect;
+ /* The man page (and posix) say ioctl numbers are signed int, but
+ * they're not. Linux, glibc and *BSD all treat ioctl numbers as
+ * unsigned, and treating them as signed here can break things */
+ unsigned irq_set_ioctl;
+ unsigned int sigmask_len;
+ GHashTable *gsimap;
+#ifdef KVM_CAP_IRQ_ROUTING
+ struct kvm_irq_routing *irq_routes;
+ int nr_allocated_irq_routes;
+ unsigned long *used_gsi_bitmap;
+ unsigned int gsi_count;
+ QTAILQ_HEAD(, KVMMSIRoute) msi_hashtab[KVM_MSI_HASHTAB_SIZE];
+#endif
+ KVMMemoryListener memory_listener;
+ QLIST_HEAD(, KVMParkedVcpu) kvm_parked_vcpus;
+
+ /* For "info mtree -f" to tell if an MR is registered in KVM */
+ int nr_as;
+ struct KVMAs {
+ KVMMemoryListener *ml;
+ AddressSpace *as;
+ } *as;
+ uint64_t kvm_dirty_ring_bytes; /* Size of the per-vcpu dirty ring */
+ uint32_t kvm_dirty_ring_size; /* Number of dirty GFNs per ring */
+ struct KVMDirtyRingReaper reaper;
+ NotifyVmexitOption notify_vmexit;
+ uint32_t notify_window;
+};
+
void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml,
AddressSpace *as, int as_id, const char *name);