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kvm: expose struct KVMState

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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>
This commit is contained in:
Chenyi Qiang 2022-09-29 15:20:13 +08:00 committed by Paolo Bonzini
parent 3dba0a335c
commit 5f8a6bce1f
2 changed files with 76 additions and 74 deletions
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74
accel/kvm/kvm-all.c
View File

@ -77,86 +77,12 @@
do { } while (0)
#endif
#define KVM_MSI_HASHTAB_SIZE 256
struct KVMParkedVcpu {
unsigned long vcpu_id;
int kvm_fd;
QLIST_ENTRY(KVMParkedVcpu) node;
};
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;
};
KVMState *kvm_state;
bool kvm_kernel_irqchip;
bool kvm_split_irqchip;

76
include/sysemu/kvm_int.h
View File

@ -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);