Merge branch 'for-5.5/core' into for-linus

- hid_have_special_driver[] cleanup for LED devices (Heiner Kallweit)
- HID parser improvements (Blaž Hrastnik, Candle Sun)

15 files changed, 217 insertions, 13 deletions

diff --git a/include/uapi/linux/btf.h b/include/uapi/linux/btf.h
index 63ae4a39e58b..c02dec97e1ce 100644
--- a/include/uapi/linux/btf.h
+++ b/include/uapi/linux/btf.h
@@ -22,9 +22,9 @@ struct btf_header {
 };
 
 /* Max # of type identifier */
-#define BTF_MAX_TYPE	0x0000ffff
+#define BTF_MAX_TYPE	0x000fffff
 /* Max offset into the string section */
-#define BTF_MAX_NAME_OFFSET	0x0000ffff
+#define BTF_MAX_NAME_OFFSET	0x00ffffff
 /* Max # of struct/union/enum members or func args */
 #define BTF_MAX_VLEN	0xffff
 
diff --git a/include/uapi/linux/coff.h b/include/uapi/linux/coff.h
index e4a79f80b9a0..ab5c7e847eed 100644
--- a/include/uapi/linux/coff.h
+++ b/include/uapi/linux/coff.h
@@ -11,6 +11,9 @@
    more information about COFF, then O'Reilly has a very excellent book.
 */
 
+#ifndef _UAPI_LINUX_COFF_H
+#define _UAPI_LINUX_COFF_H
+
 #define  E_SYMNMLEN  8   /* Number of characters in a symbol name         */
 #define  E_FILNMLEN 14   /* Number of characters in a file name           */
 #define  E_DIMNUM    4   /* Number of array dimensions in auxiliary entry */
@@ -350,3 +353,5 @@ struct COFF_reloc {
 
 /* For new sections we haven't heard of before */
 #define COFF_DEF_SECTION_ALIGNMENT       4
+
+#endif /* _UAPI_LINUX_COFF_H */
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 2971d29a42e4..373cada89815 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -38,6 +38,43 @@
  *
  * Protocol changelog:
  *
+ * 7.1:
+ *  - add the following messages:
+ *      FUSE_SETATTR, FUSE_SYMLINK, FUSE_MKNOD, FUSE_MKDIR, FUSE_UNLINK,
+ *      FUSE_RMDIR, FUSE_RENAME, FUSE_LINK, FUSE_OPEN, FUSE_READ, FUSE_WRITE,
+ *      FUSE_RELEASE, FUSE_FSYNC, FUSE_FLUSH, FUSE_SETXATTR, FUSE_GETXATTR,
+ *      FUSE_LISTXATTR, FUSE_REMOVEXATTR, FUSE_OPENDIR, FUSE_READDIR,
+ *      FUSE_RELEASEDIR
+ *  - add padding to messages to accommodate 32-bit servers on 64-bit kernels
+ *
+ * 7.2:
+ *  - add FOPEN_DIRECT_IO and FOPEN_KEEP_CACHE flags
+ *  - add FUSE_FSYNCDIR message
+ *
+ * 7.3:
+ *  - add FUSE_ACCESS message
+ *  - add FUSE_CREATE message
+ *  - add filehandle to fuse_setattr_in
+ *
+ * 7.4:
+ *  - add frsize to fuse_kstatfs
+ *  - clean up request size limit checking
+ *
+ * 7.5:
+ *  - add flags and max_write to fuse_init_out
+ *
+ * 7.6:
+ *  - add max_readahead to fuse_init_in and fuse_init_out
+ *
+ * 7.7:
+ *  - add FUSE_INTERRUPT message
+ *  - add POSIX file lock support
+ *
+ * 7.8:
+ *  - add lock_owner and flags fields to fuse_release_in
+ *  - add FUSE_BMAP message
+ *  - add FUSE_DESTROY message
+ *
  * 7.9:
  *  - new fuse_getattr_in input argument of GETATTR
  *  - add lk_flags in fuse_lk_in
@@ -133,6 +170,8 @@
  *
  *  7.31
  *  - add FUSE_WRITE_KILL_PRIV flag
+ *  - add FUSE_SETUPMAPPING and FUSE_REMOVEMAPPING
+ *  - add map_alignment to fuse_init_out, add FUSE_MAP_ALIGNMENT flag
  */
 
 #ifndef _LINUX_FUSE_H
@@ -274,6 +313,7 @@ struct fuse_file_lock {
  * FUSE_CACHE_SYMLINKS: cache READLINK responses
  * FUSE_NO_OPENDIR_SUPPORT: kernel supports zero-message opendir
  * FUSE_EXPLICIT_INVAL_DATA: only invalidate cached pages on explicit request
+ * FUSE_MAP_ALIGNMENT: map_alignment field is valid
  */
 #define FUSE_ASYNC_READ		(1 << 0)
 #define FUSE_POSIX_LOCKS	(1 << 1)
@@ -301,6 +341,7 @@ struct fuse_file_lock {
 #define FUSE_CACHE_SYMLINKS	(1 << 23)
 #define FUSE_NO_OPENDIR_SUPPORT (1 << 24)
 #define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
+#define FUSE_MAP_ALIGNMENT	(1 << 26)
 
 /**
  * CUSE INIT request/reply flags
@@ -422,9 +463,15 @@ enum fuse_opcode {
 	FUSE_RENAME2		= 45,
 	FUSE_LSEEK		= 46,
 	FUSE_COPY_FILE_RANGE	= 47,
+	FUSE_SETUPMAPPING	= 48,
+	FUSE_REMOVEMAPPING	= 49,
 
 	/* CUSE specific operations */
 	CUSE_INIT		= 4096,
+
+	/* Reserved opcodes: helpful to detect structure endian-ness */
+	CUSE_INIT_BSWAP_RESERVED	= 1048576,	/* CUSE_INIT << 8 */
+	FUSE_INIT_BSWAP_RESERVED	= 436207616,	/* FUSE_INIT << 24 */
 };
 
 enum fuse_notify_code {
@@ -652,7 +699,7 @@ struct fuse_init_out {
 	uint32_t	max_write;
 	uint32_t	time_gran;
 	uint16_t	max_pages;
-	uint16_t	padding;
+	uint16_t	map_alignment;
 	uint32_t	unused[8];
 };
 
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 96ee9d94b73e..ea57526a5b89 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -28,6 +28,7 @@ struct io_uring_sqe {
 		__u16		poll_events;
 		__u32		sync_range_flags;
 		__u32		msg_flags;
+		__u32		timeout_flags;
 	};
 	__u64	user_data;	/* data to be passed back at completion time */
 	union {
@@ -61,6 +62,7 @@ struct io_uring_sqe {
 #define IORING_OP_SYNC_FILE_RANGE	8
 #define IORING_OP_SENDMSG	9
 #define IORING_OP_RECVMSG	10
+#define IORING_OP_TIMEOUT	11
 
 /*
  * sqe->fsync_flags
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 233efbb1c81c..52641d8ca9e8 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -999,6 +999,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
 #define KVM_CAP_PMU_EVENT_FILTER 173
 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
+#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1145,6 +1146,7 @@ struct kvm_dirty_tlb {
 #define KVM_REG_S390		0x5000000000000000ULL
 #define KVM_REG_ARM64		0x6000000000000000ULL
 #define KVM_REG_MIPS		0x7000000000000000ULL
+#define KVM_REG_RISCV		0x8000000000000000ULL
 
 #define KVM_REG_SIZE_SHIFT	52
 #define KVM_REG_SIZE_MASK	0x00f0000000000000ULL
diff --git a/include/uapi/linux/netfilter_bridge/ebtables.h b/include/uapi/linux/netfilter_bridge/ebtables.h
index 3b86c14ea49d..8076c940ffeb 100644
--- a/include/uapi/linux/netfilter_bridge/ebtables.h
+++ b/include/uapi/linux/netfilter_bridge/ebtables.h
@@ -123,7 +123,7 @@ struct ebt_entry_match {
 	union {
 		struct {
 			char name[EBT_EXTENSION_MAXNAMELEN];
-			uint8_t revision;
+			__u8 revision;
 		};
 		struct xt_match *match;
 	} u;
@@ -136,7 +136,7 @@ struct ebt_entry_watcher {
 	union {
 		struct {
 			char name[EBT_EXTENSION_MAXNAMELEN];
-			uint8_t revision;
+			__u8 revision;
 		};
 		struct xt_target *watcher;
 	} u;
@@ -149,7 +149,7 @@ struct ebt_entry_target {
 	union {
 		struct {
 			char name[EBT_EXTENSION_MAXNAMELEN];
-			uint8_t revision;
+			__u8 revision;
 		};
 		struct xt_target *target;
 	} u;
diff --git a/include/uapi/linux/nfsd/cld.h b/include/uapi/linux/nfsd/cld.h
index b1e9de4f07d5..a519313af953 100644
--- a/include/uapi/linux/nfsd/cld.h
+++ b/include/uapi/linux/nfsd/cld.h
@@ -26,17 +26,22 @@
 #include <linux/types.h>
 
 /* latest upcall version available */
-#define CLD_UPCALL_VERSION 1
+#define CLD_UPCALL_VERSION 2
 
 /* defined by RFC3530 */
 #define NFS4_OPAQUE_LIMIT 1024
 
+#ifndef SHA256_DIGEST_SIZE
+#define SHA256_DIGEST_SIZE      32
+#endif
+
 enum cld_command {
 	Cld_Create,		/* create a record for this cm_id */
 	Cld_Remove,		/* remove record of this cm_id */
 	Cld_Check,		/* is this cm_id allowed? */
 	Cld_GraceDone,		/* grace period is complete */
-	Cld_GraceStart,
+	Cld_GraceStart,		/* grace start (upload client records) */
+	Cld_GetVersion,		/* query max supported upcall version */
 };
 
 /* representation of long-form NFSv4 client ID */
@@ -45,6 +50,17 @@ struct cld_name {
 	unsigned char	cn_id[NFS4_OPAQUE_LIMIT];	/* client-provided */
 } __attribute__((packed));
 
+/* sha256 hash of the kerberos principal */
+struct cld_princhash {
+	__u8		cp_len;				/* length of cp_data */
+	unsigned char	cp_data[SHA256_DIGEST_SIZE];	/* hash of principal */
+} __attribute__((packed));
+
+struct cld_clntinfo {
+	struct cld_name		cc_name;
+	struct cld_princhash	cc_princhash;
+} __attribute__((packed));
+
 /* message struct for communication with userspace */
 struct cld_msg {
 	__u8		cm_vers;		/* upcall version */
@@ -54,7 +70,28 @@ struct cld_msg {
 	union {
 		__s64		cm_gracetime;	/* grace period start time */
 		struct cld_name	cm_name;
+		__u8		cm_version;	/* for getting max version */
+	} __attribute__((packed)) cm_u;
+} __attribute__((packed));
+
+/* version 2 message can include hash of kerberos principal */
+struct cld_msg_v2 {
+	__u8		cm_vers;		/* upcall version */
+	__u8		cm_cmd;			/* upcall command */
+	__s16		cm_status;		/* return code */
+	__u32		cm_xid;			/* transaction id */
+	union {
+		struct cld_name	cm_name;
+		__u8		cm_version;	/* for getting max version */
+		struct cld_clntinfo cm_clntinfo; /* name & princ hash */
 	} __attribute__((packed)) cm_u;
 } __attribute__((packed));
 
+struct cld_msg_hdr {
+	__u8		cm_vers;		/* upcall version */
+	__u8		cm_cmd;			/* upcall command */
+	__s16		cm_status;		/* return code */
+	__u32		cm_xid;			/* transaction id */
+} __attribute__((packed));
+
 #endif /* !_NFSD_CLD_H */
diff --git a/include/uapi/linux/nvme_ioctl.h b/include/uapi/linux/nvme_ioctl.h
index 1c215ea1798e..e168dc59e9a0 100644
--- a/include/uapi/linux/nvme_ioctl.h
+++ b/include/uapi/linux/nvme_ioctl.h
@@ -45,6 +45,27 @@ struct nvme_passthru_cmd {
 	__u32	result;
 };
 
+struct nvme_passthru_cmd64 {
+	__u8	opcode;
+	__u8	flags;
+	__u16	rsvd1;
+	__u32	nsid;
+	__u32	cdw2;
+	__u32	cdw3;
+	__u64	metadata;
+	__u64	addr;
+	__u32	metadata_len;
+	__u32	data_len;
+	__u32	cdw10;
+	__u32	cdw11;
+	__u32	cdw12;
+	__u32	cdw13;
+	__u32	cdw14;
+	__u32	cdw15;
+	__u32	timeout_ms;
+	__u64	result;
+};
+
 #define nvme_admin_cmd nvme_passthru_cmd
 
 #define NVME_IOCTL_ID		_IO('N', 0x40)
@@ -54,5 +75,7 @@ struct nvme_passthru_cmd {
 #define NVME_IOCTL_RESET	_IO('N', 0x44)
 #define NVME_IOCTL_SUBSYS_RESET	_IO('N', 0x45)
 #define NVME_IOCTL_RESCAN	_IO('N', 0x46)
+#define NVME_IOCTL_ADMIN64_CMD	_IOWR('N', 0x47, struct nvme_passthru_cmd64)
+#define NVME_IOCTL_IO64_CMD	_IOWR('N', 0x48, struct nvme_passthru_cmd64)
 
 #endif /* _UAPI_LINUX_NVME_IOCTL_H */
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index f28e562d7ca8..29d6e93fd15e 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -591,6 +591,7 @@
 #define  PCI_EXP_SLTCTL_CCIE	0x0010	/* Command Completed Interrupt Enable */
 #define  PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */
 #define  PCI_EXP_SLTCTL_AIC	0x00c0	/* Attention Indicator Control */
+#define  PCI_EXP_SLTCTL_ATTN_IND_SHIFT 6      /* Attention Indicator shift */
 #define  PCI_EXP_SLTCTL_ATTN_IND_ON    0x0040 /* Attention Indicator on */
 #define  PCI_EXP_SLTCTL_ATTN_IND_BLINK 0x0080 /* Attention Indicator blinking */
 #define  PCI_EXP_SLTCTL_ATTN_IND_OFF   0x00c0 /* Attention Indicator off */
@@ -713,7 +714,9 @@
 #define PCI_EXT_CAP_ID_DPC	0x1D	/* Downstream Port Containment */
 #define PCI_EXT_CAP_ID_L1SS	0x1E	/* L1 PM Substates */
 #define PCI_EXT_CAP_ID_PTM	0x1F	/* Precision Time Measurement */
-#define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PTM
+#define PCI_EXT_CAP_ID_DLF	0x25	/* Data Link Feature */
+#define PCI_EXT_CAP_ID_PL_16GT	0x26	/* Physical Layer 16.0 GT/s */
+#define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PL_16GT
 
 #define PCI_EXT_CAP_DSN_SIZEOF	12
 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
@@ -1053,4 +1056,14 @@
 #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000  /* LTR_L1.2_THRESHOLD_Scale */
 #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register */
 
+/* Data Link Feature */
+#define PCI_DLF_CAP		0x04	/* Capabilities Register */
+#define  PCI_DLF_EXCHANGE_ENABLE	0x80000000  /* Data Link Feature Exchange Enable */
+
+/* Physical Layer 16.0 GT/s */
+#define PCI_PL_16GT_LE_CTRL	0x20	/* Lane Equalization Control Register */
+#define  PCI_PL_16GT_LE_CTRL_DSP_TX_PRESET_MASK		0x0000000F
+#define  PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK		0x000000F0
+#define  PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT	4
+
 #endif /* LINUX_PCI_REGS_H */
diff --git a/include/uapi/linux/pg.h b/include/uapi/linux/pg.h
index 364c350e85cd..62b6f69bd9fb 100644
--- a/include/uapi/linux/pg.h
+++ b/include/uapi/linux/pg.h
@@ -35,6 +35,9 @@
 
 */
 
+#ifndef _UAPI_LINUX_PG_H
+#define _UAPI_LINUX_PG_H
+
 #define PG_MAGIC	'P'
 #define PG_RESET	'Z'
 #define PG_COMMAND	'C'
@@ -61,4 +64,4 @@ struct pg_read_hdr {
 
 };
 
-/* end of pg.h */
+#endif /* _UAPI_LINUX_PG_H */
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index f16301015949..59e89a1bc3bb 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -31,15 +31,37 @@
 #define PTP_ENABLE_FEATURE (1<<0)
 #define PTP_RISING_EDGE    (1<<1)
 #define PTP_FALLING_EDGE   (1<<2)
+
+/*
+ * flag fields valid for the new PTP_EXTTS_REQUEST2 ioctl.
+ */
 #define PTP_EXTTS_VALID_FLAGS	(PTP_ENABLE_FEATURE |	\
 				 PTP_RISING_EDGE |	\
 				 PTP_FALLING_EDGE)
 
 /*
+ * flag fields valid for the original PTP_EXTTS_REQUEST ioctl.
+ * DO NOT ADD NEW FLAGS HERE.
+ */
+#define PTP_EXTTS_V1_VALID_FLAGS	(PTP_ENABLE_FEATURE |	\
+					 PTP_RISING_EDGE |	\
+					 PTP_FALLING_EDGE)
+
+/*
  * Bits of the ptp_perout_request.flags field:
  */
 #define PTP_PEROUT_ONE_SHOT (1<<0)
+
+/*
+ * flag fields valid for the new PTP_PEROUT_REQUEST2 ioctl.
+ */
 #define PTP_PEROUT_VALID_FLAGS	(PTP_PEROUT_ONE_SHOT)
+
+/*
+ * No flags are valid for the original PTP_PEROUT_REQUEST ioctl
+ */
+#define PTP_PEROUT_V1_VALID_FLAGS	(0)
+
 /*
  * struct ptp_clock_time - represents a time value
  *
diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
index b3105ac1381a..25b4fa00bad1 100644
--- a/include/uapi/linux/sched.h
+++ b/include/uapi/linux/sched.h
@@ -33,8 +33,35 @@
 #define CLONE_NEWNET		0x40000000	/* New network namespace */
 #define CLONE_IO		0x80000000	/* Clone io context */
 
-/*
- * Arguments for the clone3 syscall
+#ifndef __ASSEMBLY__
+/**
+ * struct clone_args - arguments for the clone3 syscall
+ * @flags:       Flags for the new process as listed above.
+ *               All flags are valid except for CSIGNAL and
+ *               CLONE_DETACHED.
+ * @pidfd:       If CLONE_PIDFD is set, a pidfd will be
+ *               returned in this argument.
+ * @child_tid:   If CLONE_CHILD_SETTID is set, the TID of the
+ *               child process will be returned in the child's
+ *               memory.
+ * @parent_tid:  If CLONE_PARENT_SETTID is set, the TID of
+ *               the child process will be returned in the
+ *               parent's memory.
+ * @exit_signal: The exit_signal the parent process will be
+ *               sent when the child exits.
+ * @stack:       Specify the location of the stack for the
+ *               child process.
+ *               Note, @stack is expected to point to the
+ *               lowest address. The stack direction will be
+ *               determined by the kernel and set up
+ *               appropriately based on @stack_size.
+ * @stack_size:  The size of the stack for the child process.
+ * @tls:         If CLONE_SETTLS is set, the tls descriptor
+ *               is set to tls.
+ *
+ * The structure is versioned by size and thus extensible.
+ * New struct members must go at the end of the struct and
+ * must be properly 64bit aligned.
  */
 struct clone_args {
 	__aligned_u64 flags;
@@ -46,6 +73,9 @@ struct clone_args {
 	__aligned_u64 stack_size;
 	__aligned_u64 tls;
 };
+#endif
+
+#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */
 
 /*
  * Scheduling policies
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index 0f4f87a6fd54..e7fe550b6038 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -291,6 +291,6 @@
 #define PORT_SUNIX	121
 
 /* Freescale Linflex UART */
-#define PORT_LINFLEXUART	121
+#define PORT_LINFLEXUART	122
 
 #endif /* _UAPILINUX_SERIAL_CORE_H */
diff --git a/include/uapi/linux/virtio_fs.h b/include/uapi/linux/virtio_fs.h
new file mode 100644
index 000000000000..b02eb2ac3d99
--- /dev/null
+++ b/include/uapi/linux/virtio_fs.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+
+#ifndef _UAPI_LINUX_VIRTIO_FS_H
+#define _UAPI_LINUX_VIRTIO_FS_H
+
+#include <linux/types.h>
+#include <linux/virtio_ids.h>
+#include <linux/virtio_config.h>
+#include <linux/virtio_types.h>
+
+struct virtio_fs_config {
+	/* Filesystem name (UTF-8, not NUL-terminated, padded with NULs) */
+	__u8 tag[36];
+
+	/* Number of request queues */
+	__u32 num_request_queues;
+} __attribute__((packed));
+
+#endif /* _UAPI_LINUX_VIRTIO_FS_H */
diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
index 348fd0176f75..585e07b27333 100644
--- a/include/uapi/linux/virtio_ids.h
+++ b/include/uapi/linux/virtio_ids.h
@@ -44,6 +44,7 @@
 #define VIRTIO_ID_VSOCK        19 /* virtio vsock transport */
 #define VIRTIO_ID_CRYPTO       20 /* virtio crypto */
 #define VIRTIO_ID_IOMMU        23 /* virtio IOMMU */
+#define VIRTIO_ID_FS           26 /* virtio filesystem */
 #define VIRTIO_ID_PMEM         27 /* virtio pmem */
 
 #endif /* _LINUX_VIRTIO_IDS_H */