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-rw-r--r--include/linux/bio.h2
-rw-r--r--include/linux/blk_types.h7
-rw-r--r--include/linux/blkdev.h7
-rw-r--r--include/linux/kvm_host.h48
-rw-r--r--include/linux/perf_event.h1
-rw-r--r--include/linux/random.h2
-rw-r--r--include/uapi/asm-generic/unistd.h14
-rw-r--r--include/uapi/linux/kvm.h15
8 files changed, 83 insertions, 13 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ea73df36529a..0f23b5682640 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -210,7 +210,7 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count)
{
if (count != 1) {
bio->bi_flags |= (1 << BIO_REFFED);
- smp_mb__before_atomic();
+ smp_mb();
}
atomic_set(&bio->__bi_cnt, count);
}
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index be418275763c..95202f80676c 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -159,13 +159,6 @@ struct bio {
*/
unsigned int bi_phys_segments;
- /*
- * To keep track of the max segment size, we account for the
- * sizes of the first and last mergeable segments in this bio.
- */
- unsigned int bi_seg_front_size;
- unsigned int bi_seg_back_size;
-
struct bvec_iter bi_iter;
atomic_t __bi_remaining;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1aafeb923e7b..592669bcc536 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -542,7 +542,7 @@ struct request_queue {
struct list_head unused_hctx_list;
spinlock_t unused_hctx_lock;
- atomic_t mq_freeze_depth;
+ int mq_freeze_depth;
#if defined(CONFIG_BLK_DEV_BSG)
struct bsg_class_device bsg_dev;
@@ -554,6 +554,11 @@ struct request_queue {
#endif
struct rcu_head rcu_head;
wait_queue_head_t mq_freeze_wq;
+ /*
+ * Protect concurrent access to q_usage_counter by
+ * percpu_ref_kill() and percpu_ref_reinit().
+ */
+ struct mutex mq_freeze_lock;
struct percpu_ref q_usage_counter;
struct blk_mq_tag_set *tag_set;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 640a03642766..79fa4426509c 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -227,6 +227,32 @@ enum {
READING_SHADOW_PAGE_TABLES,
};
+#define KVM_UNMAPPED_PAGE ((void *) 0x500 + POISON_POINTER_DELTA)
+
+struct kvm_host_map {
+ /*
+ * Only valid if the 'pfn' is managed by the host kernel (i.e. There is
+ * a 'struct page' for it. When using mem= kernel parameter some memory
+ * can be used as guest memory but they are not managed by host
+ * kernel).
+ * If 'pfn' is not managed by the host kernel, this field is
+ * initialized to KVM_UNMAPPED_PAGE.
+ */
+ struct page *page;
+ void *hva;
+ kvm_pfn_t pfn;
+ kvm_pfn_t gfn;
+};
+
+/*
+ * Used to check if the mapping is valid or not. Never use 'kvm_host_map'
+ * directly to check for that.
+ */
+static inline bool kvm_vcpu_mapped(struct kvm_host_map *map)
+{
+ return !!map->hva;
+}
+
/*
* Sometimes a large or cross-page mmio needs to be broken up into separate
* exits for userspace servicing.
@@ -733,7 +759,9 @@ struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu);
struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn);
kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
+int kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa, struct kvm_host_map *map);
struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn);
+void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map, bool dirty);
unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable);
int kvm_vcpu_read_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, int offset,
@@ -1242,11 +1270,21 @@ struct kvm_device_ops {
*/
void (*destroy)(struct kvm_device *dev);
+ /*
+ * Release is an alternative method to free the device. It is
+ * called when the device file descriptor is closed. Once
+ * release is called, the destroy method will not be called
+ * anymore as the device is removed from the device list of
+ * the VM. kvm->lock is held.
+ */
+ void (*release)(struct kvm_device *dev);
+
int (*set_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
int (*get_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
int (*has_attr)(struct kvm_device *dev, struct kvm_device_attr *attr);
long (*ioctl)(struct kvm_device *dev, unsigned int ioctl,
unsigned long arg);
+ int (*mmap)(struct kvm_device *dev, struct vm_area_struct *vma);
};
void kvm_device_get(struct kvm_device *dev);
@@ -1307,6 +1345,16 @@ static inline bool vcpu_valid_wakeup(struct kvm_vcpu *vcpu)
}
#endif /* CONFIG_HAVE_KVM_INVALID_WAKEUPS */
+#ifdef CONFIG_HAVE_KVM_NO_POLL
+/* Callback that tells if we must not poll */
+bool kvm_arch_no_poll(struct kvm_vcpu *vcpu);
+#else
+static inline bool kvm_arch_no_poll(struct kvm_vcpu *vcpu)
+{
+ return false;
+}
+#endif /* CONFIG_HAVE_KVM_NO_POLL */
+
#ifdef CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL
long kvm_arch_vcpu_async_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 15a82ff0aefe..0ab99c7b652d 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -30,6 +30,7 @@ struct perf_guest_info_callbacks {
int (*is_in_guest)(void);
int (*is_user_mode)(void);
unsigned long (*get_guest_ip)(void);
+ void (*handle_intel_pt_intr)(void);
};
#ifdef CONFIG_HAVE_HW_BREAKPOINT
diff --git a/include/linux/random.h b/include/linux/random.h
index 13aeaf5a4bd4..1f7dced2bba6 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -20,7 +20,7 @@ struct random_ready_callback {
extern void add_device_randomness(const void *, unsigned int);
-#if defined(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) && !defined(__CHECKER__)
+#if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__)
static inline void add_latent_entropy(void)
{
add_device_randomness((const void *)&latent_entropy,
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index dee7292e1df6..a87904daf103 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -832,9 +832,21 @@ __SYSCALL(__NR_io_uring_setup, sys_io_uring_setup)
__SYSCALL(__NR_io_uring_enter, sys_io_uring_enter)
#define __NR_io_uring_register 427
__SYSCALL(__NR_io_uring_register, sys_io_uring_register)
+#define __NR_open_tree 428
+__SYSCALL(__NR_open_tree, sys_open_tree)
+#define __NR_move_mount 429
+__SYSCALL(__NR_move_mount, sys_move_mount)
+#define __NR_fsopen 430
+__SYSCALL(__NR_fsopen, sys_fsopen)
+#define __NR_fsconfig 431
+__SYSCALL(__NR_fsconfig, sys_fsconfig)
+#define __NR_fsmount 432
+__SYSCALL(__NR_fsmount, sys_fsmount)
+#define __NR_fspick 433
+__SYSCALL(__NR_fspick, sys_fspick)
#undef __NR_syscalls
-#define __NR_syscalls 428
+#define __NR_syscalls 434
/*
* 32 bit systems traditionally used different
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 6d4ea4b6c922..2fe12b40d503 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -986,8 +986,13 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
#define KVM_CAP_EXCEPTION_PAYLOAD 164
#define KVM_CAP_ARM_VM_IPA_SIZE 165
-#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166
+#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
#define KVM_CAP_HYPERV_CPUID 167
+#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
+#define KVM_CAP_PPC_IRQ_XIVE 169
+#define KVM_CAP_ARM_SVE 170
+#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
+#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1145,6 +1150,7 @@ struct kvm_dirty_tlb {
#define KVM_REG_SIZE_U256 0x0050000000000000ULL
#define KVM_REG_SIZE_U512 0x0060000000000000ULL
#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
+#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
struct kvm_reg_list {
__u64 n; /* number of regs */
@@ -1211,6 +1217,8 @@ enum kvm_device_type {
#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
KVM_DEV_TYPE_ARM_VGIC_ITS,
#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
+ KVM_DEV_TYPE_XIVE,
+#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
KVM_DEV_TYPE_MAX,
};
@@ -1434,12 +1442,15 @@ struct kvm_enc_region {
#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
-/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT */
+/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
/* Available with KVM_CAP_HYPERV_CPUID */
#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
+/* Available with KVM_CAP_ARM_SVE */
+#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
+
/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
/* Guest initialization commands */
generated by cgit (git 2.34.1) at 2025-04-05 12:33:03 +0000