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-rw-r--r--include/kvm/arm_vgic.h3
-rw-r--r--include/linux/kvm_host.h71
-rw-r--r--include/uapi/linux/kvm.h47
3 files changed, 88 insertions, 33 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 63457908c9c4..69f4164d6477 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -231,6 +231,9 @@ struct vgic_dist {
/* distributor enabled */
bool enabled;
+ /* Wants SGIs without active state */
+ bool nassgireq;
+
struct vgic_irq *spis;
struct vgic_io_device dist_iodev;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bcb9b2ac0791..6d58beb65454 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -360,6 +360,10 @@ static inline unsigned long *kvm_second_dirty_bitmap(struct kvm_memory_slot *mem
return memslot->dirty_bitmap + len / sizeof(*memslot->dirty_bitmap);
}
+#ifndef KVM_DIRTY_LOG_MANUAL_CAPS
+#define KVM_DIRTY_LOG_MANUAL_CAPS KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE
+#endif
+
struct kvm_s390_adapter_int {
u64 ind_addr;
u64 summary_addr;
@@ -431,11 +435,11 @@ static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu)
*/
struct kvm_memslots {
u64 generation;
- struct kvm_memory_slot memslots[KVM_MEM_SLOTS_NUM];
/* The mapping table from slot id to the index in memslots[]. */
short id_to_index[KVM_MEM_SLOTS_NUM];
atomic_t lru_slot;
int used_slots;
+ struct kvm_memory_slot memslots[];
};
struct kvm {
@@ -493,7 +497,7 @@ struct kvm {
#endif
long tlbs_dirty;
struct list_head devices;
- bool manual_dirty_log_protect;
+ u64 manual_dirty_log_protect;
struct dentry *debugfs_dentry;
struct kvm_stat_data **debugfs_stat_data;
struct srcu_struct srcu;
@@ -527,6 +531,11 @@ struct kvm {
#define vcpu_err(vcpu, fmt, ...) \
kvm_err("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__)
+static inline bool kvm_dirty_log_manual_protect_and_init_set(struct kvm *kvm)
+{
+ return !!(kvm->manual_dirty_log_protect & KVM_DIRTY_LOG_INITIALLY_SET);
+}
+
static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)
{
return srcu_dereference_check(kvm->buses[idx], &kvm->srcu,
@@ -572,10 +581,11 @@ static inline int kvm_vcpu_get_idx(struct kvm_vcpu *vcpu)
return vcpu->vcpu_idx;
}
-#define kvm_for_each_memslot(memslot, slots) \
- for (memslot = &slots->memslots[0]; \
- memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\
- memslot++)
+#define kvm_for_each_memslot(memslot, slots) \
+ for (memslot = &slots->memslots[0]; \
+ memslot < slots->memslots + slots->used_slots; memslot++) \
+ if (WARN_ON_ONCE(!memslot->npages)) { \
+ } else
void kvm_vcpu_destroy(struct kvm_vcpu *vcpu);
@@ -635,12 +645,15 @@ static inline struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu)
return __kvm_memslots(vcpu->kvm, as_id);
}
-static inline struct kvm_memory_slot *
-id_to_memslot(struct kvm_memslots *slots, int id)
+static inline
+struct kvm_memory_slot *id_to_memslot(struct kvm_memslots *slots, int id)
{
int index = slots->id_to_index[id];
struct kvm_memory_slot *slot;
+ if (index < 0)
+ return NULL;
+
slot = &slots->memslots[index];
WARN_ON(slot->id != id);
@@ -669,10 +682,7 @@ int kvm_set_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem);
int __kvm_set_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem);
-void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
- struct kvm_memory_slot *dont);
-int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
- unsigned long npages);
+void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
int kvm_arch_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *memslot,
@@ -680,11 +690,9 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
enum kvm_mr_change change);
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
- const struct kvm_memory_slot *old,
+ struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change);
-bool kvm_largepages_enabled(void);
-void kvm_disable_largepages(void);
/* flush all memory translations */
void kvm_arch_flush_shadow_all(struct kvm *kvm);
/* flush memory translations pointing to 'slot' */
@@ -704,7 +712,6 @@ void kvm_release_page_clean(struct page *page);
void kvm_release_page_dirty(struct page *page);
void kvm_set_page_accessed(struct page *page);
-kvm_pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
bool *writable);
@@ -819,23 +826,20 @@ vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf);
int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext);
-int kvm_get_dirty_log(struct kvm *kvm,
- struct kvm_dirty_log *log, int *is_dirty);
-
-int kvm_get_dirty_log_protect(struct kvm *kvm,
- struct kvm_dirty_log *log, bool *flush);
-int kvm_clear_dirty_log_protect(struct kvm *kvm,
- struct kvm_clear_dirty_log *log, bool *flush);
-
void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm,
struct kvm_memory_slot *slot,
gfn_t gfn_offset,
unsigned long mask);
-
-int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
- struct kvm_dirty_log *log);
-int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm,
- struct kvm_clear_dirty_log *log);
+void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot);
+
+#ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
+void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
+ struct kvm_memory_slot *memslot);
+#else /* !CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT */
+int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log);
+int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log,
+ int *is_dirty, struct kvm_memory_slot **memslot);
+#endif
int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
bool line_status);
@@ -882,9 +886,9 @@ void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu);
int kvm_arch_hardware_enable(void);
void kvm_arch_hardware_disable(void);
-int kvm_arch_hardware_setup(void);
+int kvm_arch_hardware_setup(void *opaque);
void kvm_arch_hardware_unsetup(void);
-int kvm_arch_check_processor_compat(void);
+int kvm_arch_check_processor_compat(void *opaque);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
@@ -1018,6 +1022,8 @@ bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args);
* used in non-modular code in arch/powerpc/kvm/book3s_hv_rm_mmu.c.
* gfn_to_memslot() itself isn't here as an inline because that would
* bloat other code too much.
+ *
+ * IMPORTANT: Slots are sorted from highest GFN to lowest GFN!
*/
static inline struct kvm_memory_slot *
search_memslots(struct kvm_memslots *slots, gfn_t gfn)
@@ -1026,6 +1032,9 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn)
int slot = atomic_read(&slots->lru_slot);
struct kvm_memory_slot *memslots = slots->memslots;
+ if (unlikely(!slots->used_slots))
+ return NULL;
+
if (gfn >= memslots[slot].base_gfn &&
gfn < memslots[slot].base_gfn + memslots[slot].npages)
return &memslots[slot];
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 4b95f9a31a2f..428c7dde6b4b 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -474,12 +474,17 @@ struct kvm_s390_mem_op {
__u32 size; /* amount of bytes */
__u32 op; /* type of operation */
__u64 buf; /* buffer in userspace */
- __u8 ar; /* the access register number */
- __u8 reserved[31]; /* should be set to 0 */
+ union {
+ __u8 ar; /* the access register number */
+ __u32 sida_offset; /* offset into the sida */
+ __u8 reserved[32]; /* should be set to 0 */
+ };
};
/* types for kvm_s390_mem_op->op */
#define KVM_S390_MEMOP_LOGICAL_READ 0
#define KVM_S390_MEMOP_LOGICAL_WRITE 1
+#define KVM_S390_MEMOP_SIDA_READ 2
+#define KVM_S390_MEMOP_SIDA_WRITE 3
/* flags for kvm_s390_mem_op->flags */
#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
@@ -1010,6 +1015,8 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_NISV_TO_USER 177
#define KVM_CAP_ARM_INJECT_EXT_DABT 178
#define KVM_CAP_S390_VCPU_RESETS 179
+#define KVM_CAP_S390_PROTECTED 180
+#define KVM_CAP_PPC_SECURE_GUEST 181
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1478,6 +1485,39 @@ struct kvm_enc_region {
#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
+struct kvm_s390_pv_sec_parm {
+ __u64 origin;
+ __u64 length;
+};
+
+struct kvm_s390_pv_unp {
+ __u64 addr;
+ __u64 size;
+ __u64 tweak;
+};
+
+enum pv_cmd_id {
+ KVM_PV_ENABLE,
+ KVM_PV_DISABLE,
+ KVM_PV_SET_SEC_PARMS,
+ KVM_PV_UNPACK,
+ KVM_PV_VERIFY,
+ KVM_PV_PREP_RESET,
+ KVM_PV_UNSHARE_ALL,
+};
+
+struct kvm_pv_cmd {
+ __u32 cmd; /* Command to be executed */
+ __u16 rc; /* Ultravisor return code */
+ __u16 rrc; /* Ultravisor return reason code */
+ __u64 data; /* Data or address */
+ __u32 flags; /* flags for future extensions. Must be 0 for now */
+ __u32 reserved[3];
+};
+
+/* Available with KVM_CAP_S390_PROTECTED */
+#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
+
/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
/* Guest initialization commands */
@@ -1628,4 +1668,7 @@ struct kvm_hyperv_eventfd {
#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
+#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
+#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
+
#endif /* __LINUX_KVM_H */
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 11:14:46 +0000