5f8a6bce1f
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>
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
|
|
* Internal definitions for a target's KVM support
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef QEMU_KVM_INT_H
|
|
#define QEMU_KVM_INT_H
|
|
|
|
#include "exec/memory.h"
|
|
#include "qapi/qapi-types-common.h"
|
|
#include "qemu/accel.h"
|
|
#include "sysemu/kvm.h"
|
|
|
|
typedef struct KVMSlot
|
|
{
|
|
hwaddr start_addr;
|
|
ram_addr_t memory_size;
|
|
void *ram;
|
|
int slot;
|
|
int flags;
|
|
int old_flags;
|
|
/* Dirty bitmap cache for the slot */
|
|
unsigned long *dirty_bmap;
|
|
unsigned long dirty_bmap_size;
|
|
/* Cache of the address space ID */
|
|
int as_id;
|
|
/* Cache of the offset in ram address space */
|
|
ram_addr_t ram_start_offset;
|
|
} KVMSlot;
|
|
|
|
typedef struct KVMMemoryListener {
|
|
MemoryListener listener;
|
|
KVMSlot *slots;
|
|
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);
|
|
|
|
void kvm_set_max_memslot_size(hwaddr max_slot_size);
|
|
|
|
/**
|
|
* kvm_hwpoison_page_add:
|
|
*
|
|
* Parameters:
|
|
* @ram_addr: the address in the RAM for the poisoned page
|
|
*
|
|
* Add a poisoned page to the list
|
|
*
|
|
* Return: None.
|
|
*/
|
|
void kvm_hwpoison_page_add(ram_addr_t ram_addr);
|
|
#endif
|