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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/kvm_int.h
parent3dba0a335cf5c53146b606be6ddfab4df81c464e (diff)
downloadfocaccia-qemu-5f8a6bce1f1080058ed29d716cae81ea805142ae.tar.gz
focaccia-qemu-5f8a6bce1f1080058ed29d716cae81ea805142ae.zip
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/kvm_int.h')
-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);