diff options
Diffstat (limited to 'include/system')
| -rw-r--r-- | include/system/accel-ops.h | 22 | ||||
| -rw-r--r-- | include/system/cpus.h | 5 | ||||
| -rw-r--r-- | include/system/host_iommu_device.h | 15 | ||||
| -rw-r--r-- | include/system/hvf.h | 50 | ||||
| -rw-r--r-- | include/system/hvf_int.h | 38 | ||||
| -rw-r--r-- | include/system/hw_accel.h | 19 | ||||
| -rw-r--r-- | include/system/iommufd.h | 61 | ||||
| -rw-r--r-- | include/system/kvm.h | 11 | ||||
| -rw-r--r-- | include/system/memory.h | 130 | ||||
| -rw-r--r-- | include/system/nvmm.h | 23 | ||||
| -rw-r--r-- | include/system/ramblock.h | 22 | ||||
| -rw-r--r-- | include/system/runstate.h | 13 | ||||
| -rw-r--r-- | include/system/vhost-user-backend.h | 2 | ||||
| -rw-r--r-- | include/system/whpx.h | 23 |
14 files changed, 321 insertions, 113 deletions
diff --git a/include/system/accel-ops.h b/include/system/accel-ops.h index 4c99d25..a786c7d 100644 --- a/include/system/accel-ops.h +++ b/include/system/accel-ops.h @@ -10,6 +10,7 @@ #ifndef ACCEL_OPS_H #define ACCEL_OPS_H +#include "qemu/accel.h" #include "exec/vaddr.h" #include "qom/object.h" @@ -31,7 +32,7 @@ struct AccelOpsClass { /*< public >*/ /* initialization function called when accel is chosen */ - void (*ops_init)(AccelOpsClass *ops); + void (*ops_init)(AccelClass *ac); bool (*cpus_are_resettable)(void); void (*cpu_reset_hold)(CPUState *cpu); @@ -40,12 +41,29 @@ struct AccelOpsClass { void (*kick_vcpu_thread)(CPUState *cpu); bool (*cpu_thread_is_idle)(CPUState *cpu); + /** + * synchronize_post_reset: + * synchronize_post_init: + * @cpu: The vCPU to synchronize. + * + * Request to synchronize QEMU vCPU registers to the hardware accelerator + * (QEMU is the reference). + */ void (*synchronize_post_reset)(CPUState *cpu); void (*synchronize_post_init)(CPUState *cpu); + /** + * synchronize_state: + * synchronize_pre_loadvm: + * @cpu: The vCPU to synchronize. + * + * Request to synchronize QEMU vCPU registers from the hardware accelerator + * (the hardware accelerator is the reference). + */ void (*synchronize_state)(CPUState *cpu); void (*synchronize_pre_loadvm)(CPUState *cpu); void (*synchronize_pre_resume)(bool step_pending); + /* handle_interrupt is mandatory. */ void (*handle_interrupt)(CPUState *cpu, int mask); /** @@ -70,4 +88,6 @@ struct AccelOpsClass { void (*remove_all_breakpoints)(CPUState *cpu); }; +void generic_handle_interrupt(CPUState *cpu, int mask); + #endif /* ACCEL_OPS_H */ diff --git a/include/system/cpus.h b/include/system/cpus.h index 3226c76..69be6a7 100644 --- a/include/system/cpus.h +++ b/include/system/cpus.h @@ -7,11 +7,6 @@ void cpus_register_accel(const AccelOpsClass *i); /* return registers ops */ const AccelOpsClass *cpus_get_accel(void); -/* accel/dummy-cpus.c */ - -/* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */ -void dummy_start_vcpu_thread(CPUState *); - /* interface available for cpus accelerator threads */ /* For temporary buffers for forming a name */ diff --git a/include/system/host_iommu_device.h b/include/system/host_iommu_device.h index 809cced..ab849a4 100644 --- a/include/system/host_iommu_device.h +++ b/include/system/host_iommu_device.h @@ -14,6 +14,13 @@ #include "qom/object.h" #include "qapi/error.h" +#ifdef CONFIG_LINUX +#include "linux/iommufd.h" + +typedef union VendorCaps { + struct iommu_hw_info_vtd vtd; + struct iommu_hw_info_arm_smmuv3 smmuv3; +} VendorCaps; /** * struct HostIOMMUDeviceCaps - Define host IOMMU device capabilities. @@ -22,11 +29,17 @@ * * @hw_caps: host platform IOMMU capabilities (e.g. on IOMMUFD this represents * the @out_capabilities value returned from IOMMU_GET_HW_INFO ioctl) + * + * @vendor_caps: host platform IOMMU vendor specific capabilities (e.g. on + * IOMMUFD this represents a user-space buffer filled by kernel + * with host IOMMU @type specific hardware information data) */ typedef struct HostIOMMUDeviceCaps { uint32_t type; uint64_t hw_caps; + VendorCaps vendor_caps; } HostIOMMUDeviceCaps; +#endif #define TYPE_HOST_IOMMU_DEVICE "host-iommu-device" OBJECT_DECLARE_TYPE(HostIOMMUDevice, HostIOMMUDeviceClass, HOST_IOMMU_DEVICE) @@ -38,7 +51,9 @@ struct HostIOMMUDevice { void *agent; /* pointer to agent device, ie. VFIO or VDPA device */ PCIBus *aliased_bus; int aliased_devfn; +#ifdef CONFIG_LINUX HostIOMMUDeviceCaps caps; +#endif }; /** diff --git a/include/system/hvf.h b/include/system/hvf.h index 730f927..d3dcf08 100644 --- a/include/system/hvf.h +++ b/include/system/hvf.h @@ -14,19 +14,21 @@ #define HVF_H #include "qemu/accel.h" -#include "qom/object.h" #ifdef COMPILING_PER_TARGET -#include "cpu.h" +# ifdef CONFIG_HVF +# define CONFIG_HVF_IS_POSSIBLE +# endif /* !CONFIG_HVF */ +#else +# define CONFIG_HVF_IS_POSSIBLE +#endif /* COMPILING_PER_TARGET */ -#ifdef CONFIG_HVF +#ifdef CONFIG_HVF_IS_POSSIBLE extern bool hvf_allowed; #define hvf_enabled() (hvf_allowed) -#else /* !CONFIG_HVF */ +#else /* !CONFIG_HVF_IS_POSSIBLE */ #define hvf_enabled() 0 -#endif /* !CONFIG_HVF */ - -#endif /* COMPILING_PER_TARGET */ +#endif /* !CONFIG_HVF_IS_POSSIBLE */ #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") @@ -34,38 +36,4 @@ typedef struct HVFState HVFState; DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE, TYPE_HVF_ACCEL) -#ifdef COMPILING_PER_TARGET -struct hvf_sw_breakpoint { - vaddr pc; - vaddr saved_insn; - int use_count; - QTAILQ_ENTRY(hvf_sw_breakpoint) entry; -}; - -struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, - vaddr pc); -int hvf_sw_breakpoints_active(CPUState *cpu); - -int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); -int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); -int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type); -int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); -void hvf_arch_remove_all_hw_breakpoints(void); - -/* - * hvf_update_guest_debug: - * @cs: CPUState for the CPU to update - * - * Update guest to enable or disable debugging. Per-arch specifics will be - * handled by calling down to hvf_arch_update_guest_debug. - */ -int hvf_update_guest_debug(CPUState *cpu); -void hvf_arch_update_guest_debug(CPUState *cpu); - -/* - * Return whether the guest supports debugging. - */ -bool hvf_arch_supports_guest_debug(void); -#endif /* COMPILING_PER_TARGET */ - #endif diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h index 42ae184..5150c7d 100644 --- a/include/system/hvf_int.h +++ b/include/system/hvf_int.h @@ -11,6 +11,10 @@ #ifndef HVF_INT_H #define HVF_INT_H +#include "qemu/queue.h" +#include "exec/vaddr.h" +#include "qom/object.h" + #ifdef __aarch64__ #include <Hypervisor/Hypervisor.h> typedef hv_vcpu_t hvf_vcpuid; @@ -42,6 +46,7 @@ typedef struct hvf_vcpu_caps { struct HVFState { AccelState parent; + hvf_slot slots[32]; int num_slots; @@ -57,7 +62,6 @@ struct AccelCPUState { bool vtimer_masked; sigset_t unblock_ipi_mask; bool guest_debug_enabled; - bool dirty; }; void assert_hvf_ok_impl(hv_return_t ret, const char *file, unsigned int line, @@ -74,4 +78,36 @@ int hvf_put_registers(CPUState *); int hvf_get_registers(CPUState *); void hvf_kick_vcpu_thread(CPUState *cpu); +struct hvf_sw_breakpoint { + vaddr pc; + vaddr saved_insn; + int use_count; + QTAILQ_ENTRY(hvf_sw_breakpoint) entry; +}; + +struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, + vaddr pc); +int hvf_sw_breakpoints_active(CPUState *cpu); + +int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); +int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); +int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type); +int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); +void hvf_arch_remove_all_hw_breakpoints(void); + +/* + * hvf_update_guest_debug: + * @cs: CPUState for the CPU to update + * + * Update guest to enable or disable debugging. Per-arch specifics will be + * handled by calling down to hvf_arch_update_guest_debug. + */ +int hvf_update_guest_debug(CPUState *cpu); +void hvf_arch_update_guest_debug(CPUState *cpu); + +/* + * Return whether the guest supports debugging. + */ +bool hvf_arch_supports_guest_debug(void); + #endif diff --git a/include/system/hw_accel.h b/include/system/hw_accel.h index 380e9e6..fa9228d 100644 --- a/include/system/hw_accel.h +++ b/include/system/hw_accel.h @@ -17,9 +17,26 @@ #include "system/whpx.h" #include "system/nvmm.h" +/** + * cpu_synchronize_state: + * cpu_synchronize_pre_loadvm: + * @cpu: The vCPU to synchronize. + * + * Request to synchronize QEMU vCPU registers from the hardware accelerator + * (the hardware accelerator is the reference). + */ void cpu_synchronize_state(CPUState *cpu); +void cpu_synchronize_pre_loadvm(CPUState *cpu); + +/** + * cpu_synchronize_post_reset: + * cpu_synchronize_post_init: + * @cpu: The vCPU to synchronize. + * + * Request to synchronize QEMU vCPU registers to the hardware accelerator + * (QEMU is the reference). + */ void cpu_synchronize_post_reset(CPUState *cpu); void cpu_synchronize_post_init(CPUState *cpu); -void cpu_synchronize_pre_loadvm(CPUState *cpu); #endif /* QEMU_HW_ACCEL_H */ diff --git a/include/system/iommufd.h b/include/system/iommufd.h index cbab75b..c9c72ff 100644 --- a/include/system/iommufd.h +++ b/include/system/iommufd.h @@ -32,6 +32,7 @@ struct IOMMUFDBackend { /*< protected >*/ int fd; /* /dev/iommu file descriptor */ bool owned; /* is the /dev/iommu opened internally */ + Error *cpr_blocker;/* set if be does not support CPR */ uint32_t users; /*< public >*/ @@ -43,6 +44,9 @@ void iommufd_backend_disconnect(IOMMUFDBackend *be); bool iommufd_backend_alloc_ioas(IOMMUFDBackend *be, uint32_t *ioas_id, Error **errp); void iommufd_backend_free_id(IOMMUFDBackend *be, uint32_t id); +int iommufd_backend_map_file_dma(IOMMUFDBackend *be, uint32_t ioas_id, + hwaddr iova, ram_addr_t size, int fd, + unsigned long start, bool readonly); int iommufd_backend_map_dma(IOMMUFDBackend *be, uint32_t ioas_id, hwaddr iova, ram_addr_t size, void *vaddr, bool readonly); int iommufd_backend_unmap_dma(IOMMUFDBackend *be, uint32_t ioas_id, @@ -61,6 +65,63 @@ bool iommufd_backend_get_dirty_bitmap(IOMMUFDBackend *be, uint32_t hwpt_id, uint64_t iova, ram_addr_t size, uint64_t page_size, uint64_t *data, Error **errp); +bool iommufd_backend_invalidate_cache(IOMMUFDBackend *be, uint32_t id, + uint32_t data_type, uint32_t entry_len, + uint32_t *entry_num, void *data, + Error **errp); + +bool iommufd_change_process_capable(IOMMUFDBackend *be); +bool iommufd_change_process(IOMMUFDBackend *be, Error **errp); #define TYPE_HOST_IOMMU_DEVICE_IOMMUFD TYPE_HOST_IOMMU_DEVICE "-iommufd" +OBJECT_DECLARE_TYPE(HostIOMMUDeviceIOMMUFD, HostIOMMUDeviceIOMMUFDClass, + HOST_IOMMU_DEVICE_IOMMUFD) + +/* Overload of the host IOMMU device for the iommufd backend */ +struct HostIOMMUDeviceIOMMUFD { + HostIOMMUDevice parent_obj; + + IOMMUFDBackend *iommufd; + uint32_t devid; + uint32_t hwpt_id; +}; + +struct HostIOMMUDeviceIOMMUFDClass { + HostIOMMUDeviceClass parent_class; + + /** + * @attach_hwpt: attach host IOMMU device to IOMMUFD hardware page table. + * VFIO and VDPA device can have different implementation. + * + * Mandatory callback. + * + * @idev: host IOMMU device backed by IOMMUFD backend. + * + * @hwpt_id: ID of IOMMUFD hardware page table. + * + * @errp: pass an Error out when attachment fails. + * + * Returns: true on success, false on failure. + */ + bool (*attach_hwpt)(HostIOMMUDeviceIOMMUFD *idev, uint32_t hwpt_id, + Error **errp); + /** + * @detach_hwpt: detach host IOMMU device from IOMMUFD hardware page table. + * VFIO and VDPA device can have different implementation. + * + * Mandatory callback. + * + * @idev: host IOMMU device backed by IOMMUFD backend. + * + * @errp: pass an Error out when attachment fails. + * + * Returns: true on success, false on failure. + */ + bool (*detach_hwpt)(HostIOMMUDeviceIOMMUFD *idev, Error **errp); +}; + +bool host_iommu_device_iommufd_attach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + uint32_t hwpt_id, Error **errp); +bool host_iommu_device_iommufd_detach_hwpt(HostIOMMUDeviceIOMMUFD *idev, + Error **errp); #endif diff --git a/include/system/kvm.h b/include/system/kvm.h index b690dda..3c7d314 100644 --- a/include/system/kvm.h +++ b/include/system/kvm.h @@ -42,6 +42,7 @@ extern bool kvm_gsi_routing_allowed; extern bool kvm_gsi_direct_mapping; extern bool kvm_readonly_mem_allowed; extern bool kvm_msi_use_devid; +extern bool kvm_pre_fault_memory_supported; #define kvm_enabled() (kvm_allowed) /** @@ -194,6 +195,7 @@ bool kvm_has_sync_mmu(void); int kvm_has_vcpu_events(void); int kvm_max_nested_state_length(void); int kvm_has_gsi_routing(void); +void kvm_close(void); /** * kvm_arm_supports_user_irq @@ -316,14 +318,6 @@ int kvm_create_device(KVMState *s, uint64_t type, bool test); bool kvm_device_supported(int vmfd, uint64_t type); /** - * kvm_create_vcpu - Gets a parked KVM vCPU or creates a KVM vCPU - * @cpu: QOM CPUState object for which KVM vCPU has to be fetched/created. - * - * @returns: 0 when success, errno (<0) when failed. - */ -int kvm_create_vcpu(CPUState *cpu); - -/** * kvm_park_vcpu - Park QEMU KVM vCPU context * @cpu: QOM CPUState object for which QEMU KVM vCPU context has to be parked. * @@ -376,6 +370,7 @@ int kvm_arch_get_default_type(MachineState *ms); int kvm_arch_init(MachineState *ms, KVMState *s); +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); diff --git a/include/system/memory.h b/include/system/memory.h index fbbf4cf..46248d4 100644 --- a/include/system/memory.h +++ b/include/system/memory.h @@ -183,6 +183,7 @@ struct IOMMUNotifier { hwaddr start; hwaddr end; int iommu_idx; + void *opaque; QLIST_ENTRY(IOMMUNotifier) node; }; typedef struct IOMMUNotifier IOMMUNotifier; @@ -575,8 +576,20 @@ static inline void ram_discard_listener_init(RamDiscardListener *rdl, rdl->double_discard_supported = double_discard_supported; } -typedef int (*ReplayRamPopulate)(MemoryRegionSection *section, void *opaque); -typedef void (*ReplayRamDiscard)(MemoryRegionSection *section, void *opaque); +/** + * typedef ReplayRamDiscardState: + * + * The callback handler for #RamDiscardManagerClass.replay_populated/ + * #RamDiscardManagerClass.replay_discarded to invoke on populated/discarded + * parts. + * + * @section: the #MemoryRegionSection of populated/discarded part + * @opaque: pointer to forward to the callback + * + * Returns 0 on success, or a negative error if failed. + */ +typedef int (*ReplayRamDiscardState)(MemoryRegionSection *section, + void *opaque); /* * RamDiscardManagerClass: @@ -650,36 +663,38 @@ struct RamDiscardManagerClass { /** * @replay_populated: * - * Call the #ReplayRamPopulate callback for all populated parts within the - * #MemoryRegionSection via the #RamDiscardManager. + * Call the #ReplayRamDiscardState callback for all populated parts within + * the #MemoryRegionSection via the #RamDiscardManager. * * In case any call fails, no further calls are made. * * @rdm: the #RamDiscardManager * @section: the #MemoryRegionSection - * @replay_fn: the #ReplayRamPopulate callback + * @replay_fn: the #ReplayRamDiscardState callback * @opaque: pointer to forward to the callback * * Returns 0 on success, or a negative error if any notification failed. */ int (*replay_populated)(const RamDiscardManager *rdm, MemoryRegionSection *section, - ReplayRamPopulate replay_fn, void *opaque); + ReplayRamDiscardState replay_fn, void *opaque); /** * @replay_discarded: * - * Call the #ReplayRamDiscard callback for all discarded parts within the - * #MemoryRegionSection via the #RamDiscardManager. + * Call the #ReplayRamDiscardState callback for all discarded parts within + * the #MemoryRegionSection via the #RamDiscardManager. * * @rdm: the #RamDiscardManager * @section: the #MemoryRegionSection - * @replay_fn: the #ReplayRamDiscard callback + * @replay_fn: the #ReplayRamDiscardState callback * @opaque: pointer to forward to the callback + * + * Returns 0 on success, or a negative error if any notification failed. */ - void (*replay_discarded)(const RamDiscardManager *rdm, - MemoryRegionSection *section, - ReplayRamDiscard replay_fn, void *opaque); + int (*replay_discarded)(const RamDiscardManager *rdm, + MemoryRegionSection *section, + ReplayRamDiscardState replay_fn, void *opaque); /** * @register_listener: @@ -720,15 +735,41 @@ uint64_t ram_discard_manager_get_min_granularity(const RamDiscardManager *rdm, bool ram_discard_manager_is_populated(const RamDiscardManager *rdm, const MemoryRegionSection *section); +/** + * ram_discard_manager_replay_populated: + * + * A wrapper to call the #RamDiscardManagerClass.replay_populated callback + * of the #RamDiscardManager. + * + * @rdm: the #RamDiscardManager + * @section: the #MemoryRegionSection + * @replay_fn: the #ReplayRamDiscardState callback + * @opaque: pointer to forward to the callback + * + * Returns 0 on success, or a negative error if any notification failed. + */ int ram_discard_manager_replay_populated(const RamDiscardManager *rdm, MemoryRegionSection *section, - ReplayRamPopulate replay_fn, + ReplayRamDiscardState replay_fn, void *opaque); -void ram_discard_manager_replay_discarded(const RamDiscardManager *rdm, - MemoryRegionSection *section, - ReplayRamDiscard replay_fn, - void *opaque); +/** + * ram_discard_manager_replay_discarded: + * + * A wrapper to call the #RamDiscardManagerClass.replay_discarded callback + * of the #RamDiscardManager. + * + * @rdm: the #RamDiscardManager + * @section: the #MemoryRegionSection + * @replay_fn: the #ReplayRamDiscardState callback + * @opaque: pointer to forward to the callback + * + * Returns 0 on success, or a negative error if any notification failed. + */ +int ram_discard_manager_replay_discarded(const RamDiscardManager *rdm, + MemoryRegionSection *section, + ReplayRamDiscardState replay_fn, + void *opaque); void ram_discard_manager_register_listener(RamDiscardManager *rdm, RamDiscardListener *rdl, @@ -738,21 +779,20 @@ void ram_discard_manager_unregister_listener(RamDiscardManager *rdm, RamDiscardListener *rdl); /** - * memory_get_xlat_addr: Extract addresses from a TLB entry + * memory_translate_iotlb: Extract addresses from a TLB entry. + * Called with rcu_read_lock held. * * @iotlb: pointer to an #IOMMUTLBEntry - * @vaddr: virtual address - * @ram_addr: RAM address - * @read_only: indicates if writes are allowed - * @mr_has_discard_manager: indicates memory is controlled by a - * RamDiscardManager + * @xlat_p: return the offset of the entry from the start of the returned + * MemoryRegion. * @errp: pointer to Error*, to store an error if it happens. * - * Return: true on success, else false setting @errp with error. + * Return: On success, return the MemoryRegion containing the @iotlb translated + * addr. The MemoryRegion must not be accessed after rcu_read_unlock. + * On failure, return NULL, setting @errp with error. */ -bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr, - ram_addr_t *ram_addr, bool *read_only, - bool *mr_has_discard_manager, Error **errp); +MemoryRegion *memory_translate_iotlb(IOMMUTLBEntry *iotlb, hwaddr *xlat_p, + Error **errp); typedef struct CoalescedMemoryRange CoalescedMemoryRange; typedef struct MemoryRegionIoeventfd MemoryRegionIoeventfd; @@ -1212,6 +1252,36 @@ MemoryRegionSection *memory_region_section_new_copy(MemoryRegionSection *s); void memory_region_section_free_copy(MemoryRegionSection *s); /** + * memory_region_section_intersect_range: Adjust the memory section to cover + * the intersection with the given range. + * + * @s: the #MemoryRegionSection to be adjusted + * @offset: the offset of the given range in the memory region + * @size: the size of the given range + * + * Returns false if the intersection is empty, otherwise returns true. + */ +static inline bool memory_region_section_intersect_range(MemoryRegionSection *s, + uint64_t offset, + uint64_t size) +{ + uint64_t start = MAX(s->offset_within_region, offset); + Int128 end = int128_min(int128_add(int128_make64(s->offset_within_region), + s->size), + int128_add(int128_make64(offset), + int128_make64(size))); + + if (int128_le(end, int128_make64(start))) { + return false; + } + + s->offset_within_address_space += start - s->offset_within_region; + s->offset_within_region = start; + s->size = int128_sub(end, int128_make64(start)); + return true; +} + +/** * memory_region_init: Initialize a memory region * * The region typically acts as a container for other memory regions. Use @@ -2469,13 +2539,13 @@ static inline bool memory_region_has_ram_discard_manager(MemoryRegion *mr) * * This function must not be called for a mapped #MemoryRegion, a #MemoryRegion * that does not cover RAM, or a #MemoryRegion that already has a - * #RamDiscardManager assigned. + * #RamDiscardManager assigned. Return 0 if the rdm is set successfully. * * @mr: the #MemoryRegion * @rdm: #RamDiscardManager to set */ -void memory_region_set_ram_discard_manager(MemoryRegion *mr, - RamDiscardManager *rdm); +int memory_region_set_ram_discard_manager(MemoryRegion *mr, + RamDiscardManager *rdm); /** * memory_region_find: translate an address/size relative to a diff --git a/include/system/nvmm.h b/include/system/nvmm.h index 6971ddb..7390def 100644 --- a/include/system/nvmm.h +++ b/include/system/nvmm.h @@ -13,17 +13,18 @@ #define QEMU_NVMM_H #ifdef COMPILING_PER_TARGET - -#ifdef CONFIG_NVMM - -int nvmm_enabled(void); - -#else /* CONFIG_NVMM */ - -#define nvmm_enabled() (0) - -#endif /* CONFIG_NVMM */ - +# ifdef CONFIG_NVMM +# define CONFIG_NVMM_IS_POSSIBLE +# endif /* !CONFIG_NVMM */ +#else +# define CONFIG_NVMM_IS_POSSIBLE #endif /* COMPILING_PER_TARGET */ +#ifdef CONFIG_NVMM_IS_POSSIBLE +extern bool nvmm_allowed; +#define nvmm_enabled() (nvmm_allowed) +#else /* !CONFIG_NVMM_IS_POSSIBLE */ +#define nvmm_enabled() 0 +#endif /* !CONFIG_NVMM_IS_POSSIBLE */ + #endif /* QEMU_NVMM_H */ diff --git a/include/system/ramblock.h b/include/system/ramblock.h index d8a116b..87e847e 100644 --- a/include/system/ramblock.h +++ b/include/system/ramblock.h @@ -22,6 +22,10 @@ #include "exec/cpu-common.h" #include "qemu/rcu.h" #include "exec/ramlist.h" +#include "system/hostmem.h" + +#define TYPE_RAM_BLOCK_ATTRIBUTES "ram-block-attributes" +OBJECT_DECLARE_SIMPLE_TYPE(RamBlockAttributes, RAM_BLOCK_ATTRIBUTES) struct RAMBlock { struct rcu_head rcu; @@ -42,6 +46,7 @@ struct RAMBlock { int fd; uint64_t fd_offset; int guest_memfd; + RamBlockAttributes *attributes; size_t page_size; /* dirty bitmap used during migration */ unsigned long *bmap; @@ -91,4 +96,21 @@ struct RAMBlock { ram_addr_t postcopy_length; }; +struct RamBlockAttributes { + Object parent; + + RAMBlock *ram_block; + + /* 1-setting of the bitmap represents ram is populated (shared) */ + unsigned bitmap_size; + unsigned long *bitmap; + + QLIST_HEAD(, RamDiscardListener) rdl_list; +}; + +RamBlockAttributes *ram_block_attributes_create(RAMBlock *ram_block); +void ram_block_attributes_destroy(RamBlockAttributes *attr); +int ram_block_attributes_state_change(RamBlockAttributes *attr, uint64_t offset, + uint64_t size, bool to_discard); + #endif diff --git a/include/system/runstate.h b/include/system/runstate.h index bffc371..fdd5c4a 100644 --- a/include/system/runstate.h +++ b/include/system/runstate.h @@ -12,6 +12,7 @@ bool runstate_needs_reset(void); void runstate_replay_enable(void); typedef void VMChangeStateHandler(void *opaque, bool running, RunState state); +typedef int VMChangeStateHandlerWithRet(void *opaque, bool running, RunState state); VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, void *opaque); @@ -20,21 +21,27 @@ VMChangeStateEntry *qemu_add_vm_change_state_handler_prio( VMChangeStateEntry * qemu_add_vm_change_state_handler_prio_full(VMChangeStateHandler *cb, VMChangeStateHandler *prepare_cb, + VMChangeStateHandlerWithRet *cb_ret, void *opaque, int priority); VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev, VMChangeStateHandler *cb, + VMChangeStateHandlerWithRet *cb_ret, void *opaque); VMChangeStateEntry *qdev_add_vm_change_state_handler_full( - DeviceState *dev, VMChangeStateHandler *cb, - VMChangeStateHandler *prepare_cb, void *opaque); + DeviceState *dev, VMChangeStateHandler *cb, VMChangeStateHandler *prepare_cb, + VMChangeStateHandlerWithRet *cb_ret, void *opaque); void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); /** * vm_state_notify: Notify the state of the VM * * @running: whether the VM is running or not. * @state: the #RunState of the VM. + * + * Return the result of the callback which has return value. + * If no callback has return value, still return 0 and the + * upper layer should not do additional processing. */ -void vm_state_notify(bool running, RunState state); +int vm_state_notify(bool running, RunState state); static inline bool shutdown_caused_by_guest(ShutdownCause cause) { diff --git a/include/system/vhost-user-backend.h b/include/system/vhost-user-backend.h index 5ed953c..5634ebd 100644 --- a/include/system/vhost-user-backend.h +++ b/include/system/vhost-user-backend.h @@ -43,6 +43,6 @@ struct VhostUserBackend { int vhost_user_backend_dev_init(VhostUserBackend *b, VirtIODevice *vdev, unsigned nvqs, Error **errp); void vhost_user_backend_start(VhostUserBackend *b); -void vhost_user_backend_stop(VhostUserBackend *b); +int vhost_user_backend_stop(VhostUserBackend *b); #endif diff --git a/include/system/whpx.h b/include/system/whpx.h index 00ff409..00f6a3e 100644 --- a/include/system/whpx.h +++ b/include/system/whpx.h @@ -16,19 +16,20 @@ #define QEMU_WHPX_H #ifdef COMPILING_PER_TARGET +# ifdef CONFIG_WHPX +# define CONFIG_WHPX_IS_POSSIBLE +# endif /* !CONFIG_WHPX */ +#else +# define CONFIG_WHPX_IS_POSSIBLE +#endif /* COMPILING_PER_TARGET */ -#ifdef CONFIG_WHPX - -int whpx_enabled(void); +#ifdef CONFIG_WHPX_IS_POSSIBLE +extern bool whpx_allowed; +#define whpx_enabled() (whpx_allowed) bool whpx_apic_in_platform(void); - -#else /* CONFIG_WHPX */ - -#define whpx_enabled() (0) +#else /* !CONFIG_WHPX_IS_POSSIBLE */ +#define whpx_enabled() 0 #define whpx_apic_in_platform() (0) - -#endif /* CONFIG_WHPX */ - -#endif /* COMPILING_PER_TARGET */ +#endif /* !CONFIG_WHPX_IS_POSSIBLE */ #endif /* QEMU_WHPX_H */ |