summaryrefslogtreecommitdiff
path: root/include/uapi/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/cm4000_cs.h64
-rw-r--r--include/uapi/linux/const.h2
-rw-r--r--include/uapi/linux/cxl_mem.h35
-rw-r--r--include/uapi/linux/gsmmux.h17
-rw-r--r--include/uapi/linux/handshake.h1
-rw-r--r--include/uapi/linux/idxd.h48
-rw-r--r--include/uapi/linux/in.h1
-rw-r--r--include/uapi/linux/kvm.h14
-rw-r--r--include/uapi/linux/mei.h2
-rw-r--r--include/uapi/linux/mei_uuid.h29
-rw-r--r--include/uapi/linux/nbd.h25
-rw-r--r--include/uapi/linux/nfsd/export.h13
-rw-r--r--include/uapi/linux/prctl.h4
-rw-r--r--include/uapi/linux/taskstats.h6
-rw-r--r--include/uapi/linux/user_events.h81
-rw-r--r--include/uapi/linux/userfaultfd.h17
-rw-r--r--include/uapi/linux/uuid.h31
-rw-r--r--include/uapi/linux/virtio_config.h6
18 files changed, 281 insertions, 115 deletions
diff --git a/include/uapi/linux/cm4000_cs.h b/include/uapi/linux/cm4000_cs.h
deleted file mode 100644
index c70a62ec8a49..000000000000
--- a/include/uapi/linux/cm4000_cs.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _UAPI_CM4000_H_
-#define _UAPI_CM4000_H_
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-
-#define MAX_ATR 33
-
-#define CM4000_MAX_DEV 4
-
-/* those two structures are passed via ioctl() from/to userspace. They are
- * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
- * not to break compilation of userspace apps. -HW */
-
-typedef struct atreq {
- __s32 atr_len;
- unsigned char atr[64];
- __s32 power_act;
- unsigned char bIFSD;
- unsigned char bIFSC;
-} atreq_t;
-
-
-/* what is particularly stupid in the original driver is the arch-dependent
- * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
- * will lay out the structure members differently than the 64bit kernel.
- *
- * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
- * On 32bit this will make no difference. With 64bit kernels, it will make
- * 32bit apps work, too.
- */
-
-typedef struct ptsreq {
- __u32 protocol; /*T=0: 2^0, T=1: 2^1*/
- unsigned char flags;
- unsigned char pts1;
- unsigned char pts2;
- unsigned char pts3;
-} ptsreq_t;
-
-#define CM_IOC_MAGIC 'c'
-#define CM_IOC_MAXNR 255
-
-#define CM_IOCGSTATUS _IOR (CM_IOC_MAGIC, 0, unsigned char *)
-#define CM_IOCGATR _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
-#define CM_IOCSPTS _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
-#define CM_IOCSRDR _IO (CM_IOC_MAGIC, 3)
-#define CM_IOCARDOFF _IO (CM_IOC_MAGIC, 4)
-
-#define CM_IOSDBGLVL _IOW(CM_IOC_MAGIC, 250, int*)
-
-/* card and device states */
-#define CM_CARD_INSERTED 0x01
-#define CM_CARD_POWERED 0x02
-#define CM_ATR_PRESENT 0x04
-#define CM_ATR_VALID 0x08
-#define CM_STATE_VALID 0x0f
-/* extra info only from CM4000 */
-#define CM_NO_READER 0x10
-#define CM_BAD_CARD 0x20
-
-
-#endif /* _UAPI_CM4000_H_ */
diff --git a/include/uapi/linux/const.h b/include/uapi/linux/const.h
index af2a44c08683..a429381e7ca5 100644
--- a/include/uapi/linux/const.h
+++ b/include/uapi/linux/const.h
@@ -28,7 +28,7 @@
#define _BITUL(x) (_UL(1) << (x))
#define _BITULL(x) (_ULL(1) << (x))
-#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (__typeof__(x))(a) - 1)
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h
index 86bbacf2a315..14bc6e742148 100644
--- a/include/uapi/linux/cxl_mem.h
+++ b/include/uapi/linux/cxl_mem.h
@@ -40,19 +40,22 @@
___C(SET_ALERT_CONFIG, "Set Alert Configuration"), \
___C(GET_SHUTDOWN_STATE, "Get Shutdown State"), \
___C(SET_SHUTDOWN_STATE, "Set Shutdown State"), \
- ___C(GET_POISON, "Get Poison List"), \
- ___C(INJECT_POISON, "Inject Poison"), \
- ___C(CLEAR_POISON, "Clear Poison"), \
+ ___DEPRECATED(GET_POISON, "Get Poison List"), \
+ ___DEPRECATED(INJECT_POISON, "Inject Poison"), \
+ ___DEPRECATED(CLEAR_POISON, "Clear Poison"), \
___C(GET_SCAN_MEDIA_CAPS, "Get Scan Media Capabilities"), \
- ___C(SCAN_MEDIA, "Scan Media"), \
- ___C(GET_SCAN_MEDIA, "Get Scan Media Results"), \
+ ___DEPRECATED(SCAN_MEDIA, "Scan Media"), \
+ ___DEPRECATED(GET_SCAN_MEDIA, "Get Scan Media Results"), \
___C(MAX, "invalid / last command")
#define ___C(a, b) CXL_MEM_COMMAND_ID_##a
+#define ___DEPRECATED(a, b) CXL_MEM_DEPRECATED_ID_##a
enum { CXL_CMDS };
#undef ___C
+#undef ___DEPRECATED
#define ___C(a, b) { b }
+#define ___DEPRECATED(a, b) { "Deprecated " b }
static const struct {
const char *name;
} cxl_command_names[] __attribute__((__unused__)) = { CXL_CMDS };
@@ -68,6 +71,28 @@ static const struct {
*/
#undef ___C
+#undef ___DEPRECATED
+#define ___C(a, b) (0)
+#define ___DEPRECATED(a, b) (1)
+
+static const __u8 cxl_deprecated_commands[]
+ __attribute__((__unused__)) = { CXL_CMDS };
+
+/*
+ * Here's how this actually breaks out:
+ * cxl_deprecated_commands[] = {
+ * [CXL_MEM_COMMAND_ID_INVALID] = 0,
+ * [CXL_MEM_COMMAND_ID_IDENTIFY] = 0,
+ * ...
+ * [CXL_MEM_DEPRECATED_ID_GET_POISON] = 1,
+ * [CXL_MEM_DEPRECATED_ID_INJECT_POISON] = 1,
+ * [CXL_MEM_DEPRECATED_ID_CLEAR_POISON] = 1,
+ * ...
+ * };
+ */
+
+#undef ___C
+#undef ___DEPRECATED
/**
* struct cxl_command_info - Command information returned from a query.
diff --git a/include/uapi/linux/gsmmux.h b/include/uapi/linux/gsmmux.h
index a703780aa095..eb67884e5f38 100644
--- a/include/uapi/linux/gsmmux.h
+++ b/include/uapi/linux/gsmmux.h
@@ -43,10 +43,25 @@ struct gsm_config_ext {
__u32 keep_alive; /* Control channel keep-alive in 1/100th of a
* second (0 to disable)
*/
- __u32 reserved[7]; /* For future use, must be initialized to zero */
+ __u32 wait_config; /* Wait for DLCI config before opening virtual link? */
+ __u32 reserved[6]; /* For future use, must be initialized to zero */
};
#define GSMIOC_GETCONF_EXT _IOR('G', 5, struct gsm_config_ext)
#define GSMIOC_SETCONF_EXT _IOW('G', 6, struct gsm_config_ext)
+/* Set channel accordingly before calling GSMIOC_GETCONF_DLCI. */
+struct gsm_dlci_config {
+ __u32 channel; /* DLCI (0 for the associated DLCI) */
+ __u32 adaption; /* Convergence layer type */
+ __u32 mtu; /* Maximum transfer unit */
+ __u32 priority; /* Priority (0 for default value) */
+ __u32 i; /* Frame type (1 = UIH, 2 = UI) */
+ __u32 k; /* Window size (0 for default value) */
+ __u32 reserved[8]; /* For future use, must be initialized to zero */
+};
+
+#define GSMIOC_GETCONF_DLCI _IOWR('G', 7, struct gsm_dlci_config)
+#define GSMIOC_SETCONF_DLCI _IOW('G', 8, struct gsm_dlci_config)
+
#endif
diff --git a/include/uapi/linux/handshake.h b/include/uapi/linux/handshake.h
index 1de4d0b95325..3d7ea58778c9 100644
--- a/include/uapi/linux/handshake.h
+++ b/include/uapi/linux/handshake.h
@@ -44,6 +44,7 @@ enum {
HANDSHAKE_A_ACCEPT_AUTH_MODE,
HANDSHAKE_A_ACCEPT_PEER_IDENTITY,
HANDSHAKE_A_ACCEPT_CERTIFICATE,
+ HANDSHAKE_A_ACCEPT_PEERNAME,
__HANDSHAKE_A_ACCEPT_MAX,
HANDSHAKE_A_ACCEPT_MAX = (__HANDSHAKE_A_ACCEPT_MAX - 1)
diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 1d553bedbdb5..606b52e88ce3 100644
--- a/include/uapi/linux/idxd.h
+++ b/include/uapi/linux/idxd.h
@@ -30,6 +30,7 @@ enum idxd_scmd_stat {
IDXD_SCMD_WQ_NO_PRIV = 0x800f0000,
IDXD_SCMD_WQ_IRQ_ERR = 0x80100000,
IDXD_SCMD_WQ_USER_NO_IOMMU = 0x80110000,
+ IDXD_SCMD_DEV_EVL_ERR = 0x80120000,
};
#define IDXD_SCMD_SOFTERR_MASK 0x80000000
@@ -72,12 +73,14 @@ enum dsa_opcode {
DSA_OPCODE_CR_DELTA,
DSA_OPCODE_AP_DELTA,
DSA_OPCODE_DUALCAST,
+ DSA_OPCODE_TRANSL_FETCH,
DSA_OPCODE_CRCGEN = 0x10,
DSA_OPCODE_COPY_CRC,
DSA_OPCODE_DIF_CHECK,
DSA_OPCODE_DIF_INS,
DSA_OPCODE_DIF_STRP,
DSA_OPCODE_DIF_UPDT,
+ DSA_OPCODE_DIX_GEN = 0x17,
DSA_OPCODE_CFLUSH = 0x20,
};
@@ -132,6 +135,8 @@ enum dsa_completion_status {
DSA_COMP_HW_ERR1,
DSA_COMP_HW_ERR_DRB,
DSA_COMP_TRANSLATION_FAIL,
+ DSA_COMP_DRAIN_EVL = 0x26,
+ DSA_COMP_BATCH_EVL_ERR,
};
enum iax_completion_status {
@@ -167,6 +172,7 @@ enum iax_completion_status {
#define DSA_COMP_STATUS_MASK 0x7f
#define DSA_COMP_STATUS_WRITE 0x80
+#define DSA_COMP_STATUS(status) ((status) & DSA_COMP_STATUS_MASK)
struct dsa_hw_desc {
uint32_t pasid:20;
@@ -180,6 +186,8 @@ struct dsa_hw_desc {
uint64_t rdback_addr;
uint64_t pattern;
uint64_t desc_list_addr;
+ uint64_t pattern_lower;
+ uint64_t transl_fetch_addr;
};
union {
uint64_t dst_addr;
@@ -190,6 +198,7 @@ struct dsa_hw_desc {
union {
uint32_t xfer_size;
uint32_t desc_count;
+ uint32_t region_size;
};
uint16_t int_handle;
uint16_t rsvd1;
@@ -244,6 +253,26 @@ struct dsa_hw_desc {
uint16_t dest_app_tag_seed;
};
+ /* Fill */
+ uint64_t pattern_upper;
+
+ /* Translation fetch */
+ struct {
+ uint64_t transl_fetch_res;
+ uint32_t region_stride;
+ };
+
+ /* DIX generate */
+ struct {
+ uint8_t dix_gen_res;
+ uint8_t dest_dif_flags;
+ uint8_t dif_flags;
+ uint8_t dix_gen_res2[13];
+ uint32_t ref_tag_seed;
+ uint16_t app_tag_mask;
+ uint16_t app_tag_seed;
+ };
+
uint8_t op_specific[24];
};
} __attribute__((packed));
@@ -284,8 +313,12 @@ struct dsa_completion_record {
uint8_t result;
uint8_t dif_status;
};
- uint16_t rsvd;
- uint32_t bytes_completed;
+ uint8_t fault_info;
+ uint8_t rsvd;
+ union {
+ uint32_t bytes_completed;
+ uint32_t descs_completed;
+ };
uint64_t fault_addr;
union {
/* common record */
@@ -322,6 +355,14 @@ struct dsa_completion_record {
uint16_t dif_upd_dest_app_tag;
};
+ /* DIX generate */
+ struct {
+ uint64_t dix_gen_res;
+ uint32_t dix_ref_tag;
+ uint16_t dix_app_tag_mask;
+ uint16_t dix_app_tag;
+ };
+
uint8_t op_specific[16];
};
} __attribute__((packed));
@@ -333,7 +374,8 @@ struct dsa_raw_completion_record {
struct iax_completion_record {
volatile uint8_t status;
uint8_t error_code;
- uint16_t rsvd;
+ uint8_t fault_info;
+ uint8_t rsvd;
uint32_t bytes_completed;
uint64_t fault_addr;
uint32_t invalid_flags;
diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
index 4b7f2df66b99..e682ab628dfa 100644
--- a/include/uapi/linux/in.h
+++ b/include/uapi/linux/in.h
@@ -163,6 +163,7 @@ struct in_addr {
#define IP_MULTICAST_ALL 49
#define IP_UNICAST_IF 50
#define IP_LOCAL_PORT_RANGE 51
+#define IP_PROTOCOL 52
#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index d77aef872a0a..737318b1c1d9 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -341,8 +341,13 @@ struct kvm_run {
__u64 nr;
__u64 args[6];
__u64 ret;
- __u32 longmode;
- __u32 pad;
+
+ union {
+#ifndef __KERNEL__
+ __u32 longmode;
+#endif
+ __u64 flags;
+ };
} hypercall;
/* KVM_EXIT_TPR_ACCESS */
struct {
@@ -1184,6 +1189,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
+#define KVM_CAP_COUNTER_OFFSET 227
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1451,7 +1457,7 @@ struct kvm_vfio_spapr_tce {
#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
-#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
+#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
struct kvm_userspace_memory_region)
#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
@@ -1543,6 +1549,8 @@ struct kvm_s390_ucas_mapping {
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
+/* Available with KVM_CAP_COUNTER_OFFSET */
+#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
diff --git a/include/uapi/linux/mei.h b/include/uapi/linux/mei.h
index 4f3638489d01..6e57743628c0 100644
--- a/include/uapi/linux/mei.h
+++ b/include/uapi/linux/mei.h
@@ -7,7 +7,7 @@
#ifndef _LINUX_MEI_H
#define _LINUX_MEI_H
-#include <linux/uuid.h>
+#include <linux/mei_uuid.h>
/*
* This IOCTL is used to associate the current file descriptor with a
diff --git a/include/uapi/linux/mei_uuid.h b/include/uapi/linux/mei_uuid.h
new file mode 100644
index 000000000000..676ebe12d623
--- /dev/null
+++ b/include/uapi/linux/mei_uuid.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * MEI UUID definition
+ *
+ * Copyright (C) 2010, Intel Corp.
+ * Huang Ying <ying.huang@intel.com>
+ */
+
+#ifndef _UAPI_LINUX_MEI_UUID_H_
+#define _UAPI_LINUX_MEI_UUID_H_
+
+#include <linux/types.h>
+
+typedef struct {
+ __u8 b[16];
+} uuid_le;
+
+#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+((uuid_le) \
+{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
+ (b) & 0xff, ((b) >> 8) & 0xff, \
+ (c) & 0xff, ((c) >> 8) & 0xff, \
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+
+#define NULL_UUID_LE \
+ UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00)
+
+#endif /* _UAPI_LINUX_MEI_UUID_H_ */
diff --git a/include/uapi/linux/nbd.h b/include/uapi/linux/nbd.h
index 20d6cc91435d..80ce0ef43afd 100644
--- a/include/uapi/linux/nbd.h
+++ b/include/uapi/linux/nbd.h
@@ -11,6 +11,8 @@
* Cleanup PARANOIA usage & code.
* 2004/02/19 Paul Clements
* Removed PARANOIA, plus various cleanup and comments
+ * 2023 Copyright Red Hat
+ * Link to userspace extensions, favor cookie over handle.
*/
#ifndef _UAPILINUX_NBD_H
@@ -30,12 +32,18 @@
#define NBD_SET_TIMEOUT _IO( 0xab, 9 )
#define NBD_SET_FLAGS _IO( 0xab, 10)
+/*
+ * See also https://github.com/NetworkBlockDevice/nbd/blob/master/doc/proto.md
+ * for additional userspace extensions not yet utilized in the kernel module.
+ */
+
enum {
NBD_CMD_READ = 0,
NBD_CMD_WRITE = 1,
NBD_CMD_DISC = 2,
NBD_CMD_FLUSH = 3,
NBD_CMD_TRIM = 4
+ /* userspace defines additional extension commands */
};
/* values for flags field, these are server interaction specific. */
@@ -64,15 +72,19 @@ enum {
#define NBD_REQUEST_MAGIC 0x25609513
#define NBD_REPLY_MAGIC 0x67446698
/* Do *not* use magics: 0x12560953 0x96744668. */
+/* magic 0x668e33ef for structured reply not supported by kernel yet */
/*
* This is the packet used for communication between client and
* server. All data are in network byte order.
*/
struct nbd_request {
- __be32 magic;
- __be32 type; /* == READ || == WRITE */
- char handle[8];
+ __be32 magic; /* NBD_REQUEST_MAGIC */
+ __be32 type; /* See NBD_CMD_* */
+ union {
+ __be64 cookie; /* Opaque identifier for request */
+ char handle[8]; /* older spelling of cookie */
+ };
__be64 from;
__be32 len;
} __attribute__((packed));
@@ -82,8 +94,11 @@ struct nbd_request {
* it has completed an I/O request (or an error occurs).
*/
struct nbd_reply {
- __be32 magic;
+ __be32 magic; /* NBD_REPLY_MAGIC */
__be32 error; /* 0 = ok, else error */
- char handle[8]; /* handle you got from request */
+ union {
+ __be64 cookie; /* Opaque identifier from request */
+ char handle[8]; /* older spelling of cookie */
+ };
};
#endif /* _UAPILINUX_NBD_H */
diff --git a/include/uapi/linux/nfsd/export.h b/include/uapi/linux/nfsd/export.h
index 2124ba904779..a73ca3703abb 100644
--- a/include/uapi/linux/nfsd/export.h
+++ b/include/uapi/linux/nfsd/export.h
@@ -62,5 +62,18 @@
| NFSEXP_ALLSQUASH \
| NFSEXP_INSECURE_PORT)
+/*
+ * Transport layer security policies that are permitted to access
+ * an export
+ */
+#define NFSEXP_XPRTSEC_NONE 0x0001
+#define NFSEXP_XPRTSEC_TLS 0x0002
+#define NFSEXP_XPRTSEC_MTLS 0x0004
+
+#define NFSEXP_XPRTSEC_NUM (3)
+
+#define NFSEXP_XPRTSEC_ALL (NFSEXP_XPRTSEC_NONE | \
+ NFSEXP_XPRTSEC_TLS | \
+ NFSEXP_XPRTSEC_MTLS)
#endif /* _UAPINFSD_EXPORT_H */
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index 1312a137f7fb..f23d9a16507f 100644
--- a/include/uapi/linux/prctl.h
+++ b/include/uapi/linux/prctl.h
@@ -290,4 +290,8 @@ struct prctl_mm_map {
#define PR_SET_VMA 0x53564d41
# define PR_SET_VMA_ANON_NAME 0
+#define PR_GET_AUXV 0x41555856
+
+#define PR_SET_MEMORY_MERGE 67
+#define PR_GET_MEMORY_MERGE 68
#endif /* _LINUX_PRCTL_H */
diff --git a/include/uapi/linux/taskstats.h b/include/uapi/linux/taskstats.h
index a7f5b11a8f1b..b50b2eb257a0 100644
--- a/include/uapi/linux/taskstats.h
+++ b/include/uapi/linux/taskstats.h
@@ -34,7 +34,7 @@
*/
-#define TASKSTATS_VERSION 13
+#define TASKSTATS_VERSION 14
#define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN
* in linux/sched.h */
@@ -198,6 +198,10 @@ struct taskstats {
/* v13: Delay waiting for write-protect copy */
__u64 wpcopy_count;
__u64 wpcopy_delay_total;
+
+ /* v14: Delay waiting for IRQ/SOFTIRQ */
+ __u64 irq_count;
+ __u64 irq_delay_total;
};
diff --git a/include/uapi/linux/user_events.h b/include/uapi/linux/user_events.h
new file mode 100644
index 000000000000..2984aae4a2b4
--- /dev/null
+++ b/include/uapi/linux/user_events.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2021-2022, Microsoft Corporation.
+ *
+ * Authors:
+ * Beau Belgrave <beaub@linux.microsoft.com>
+ */
+#ifndef _UAPI_LINUX_USER_EVENTS_H
+#define _UAPI_LINUX_USER_EVENTS_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define USER_EVENTS_SYSTEM "user_events"
+#define USER_EVENTS_PREFIX "u:"
+
+/* Create dynamic location entry within a 32-bit value */
+#define DYN_LOC(offset, size) ((size) << 16 | (offset))
+
+/*
+ * Describes an event registration and stores the results of the registration.
+ * This structure is passed to the DIAG_IOCSREG ioctl, callers at a minimum
+ * must set the size and name_args before invocation.
+ */
+struct user_reg {
+
+ /* Input: Size of the user_reg structure being used */
+ __u32 size;
+
+ /* Input: Bit in enable address to use */
+ __u8 enable_bit;
+
+ /* Input: Enable size in bytes at address */
+ __u8 enable_size;
+
+ /* Input: Flags for future use, set to 0 */
+ __u16 flags;
+
+ /* Input: Address to update when enabled */
+ __u64 enable_addr;
+
+ /* Input: Pointer to string with event name, description and flags */
+ __u64 name_args;
+
+ /* Output: Index of the event to use when writing data */
+ __u32 write_index;
+} __attribute__((__packed__));
+
+/*
+ * Describes an event unregister, callers must set the size, address and bit.
+ * This structure is passed to the DIAG_IOCSUNREG ioctl to disable bit updates.
+ */
+struct user_unreg {
+ /* Input: Size of the user_unreg structure being used */
+ __u32 size;
+
+ /* Input: Bit to unregister */
+ __u8 disable_bit;
+
+ /* Input: Reserved, set to 0 */
+ __u8 __reserved;
+
+ /* Input: Reserved, set to 0 */
+ __u16 __reserved2;
+
+ /* Input: Address to unregister */
+ __u64 disable_addr;
+} __attribute__((__packed__));
+
+#define DIAG_IOC_MAGIC '*'
+
+/* Request to register a user_event */
+#define DIAG_IOCSREG _IOWR(DIAG_IOC_MAGIC, 0, struct user_reg *)
+
+/* Request to delete a user_event */
+#define DIAG_IOCSDEL _IOW(DIAG_IOC_MAGIC, 1, char *)
+
+/* Requests to unregister a user_event */
+#define DIAG_IOCSUNREG _IOW(DIAG_IOC_MAGIC, 2, struct user_unreg*)
+
+#endif /* _UAPI_LINUX_USER_EVENTS_H */
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index 005e5e306266..66dd4cd277bd 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -38,7 +38,8 @@
UFFD_FEATURE_MINOR_HUGETLBFS | \
UFFD_FEATURE_MINOR_SHMEM | \
UFFD_FEATURE_EXACT_ADDRESS | \
- UFFD_FEATURE_WP_HUGETLBFS_SHMEM)
+ UFFD_FEATURE_WP_HUGETLBFS_SHMEM | \
+ UFFD_FEATURE_WP_UNPOPULATED)
#define UFFD_API_IOCTLS \
((__u64)1 << _UFFDIO_REGISTER | \
(__u64)1 << _UFFDIO_UNREGISTER | \
@@ -203,6 +204,12 @@ struct uffdio_api {
*
* UFFD_FEATURE_WP_HUGETLBFS_SHMEM indicates that userfaultfd
* write-protection mode is supported on both shmem and hugetlbfs.
+ *
+ * UFFD_FEATURE_WP_UNPOPULATED indicates that userfaultfd
+ * write-protection mode will always apply to unpopulated pages
+ * (i.e. empty ptes). This will be the default behavior for shmem
+ * & hugetlbfs, so this flag only affects anonymous memory behavior
+ * when userfault write-protection mode is registered.
*/
#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0)
#define UFFD_FEATURE_EVENT_FORK (1<<1)
@@ -217,6 +224,7 @@ struct uffdio_api {
#define UFFD_FEATURE_MINOR_SHMEM (1<<10)
#define UFFD_FEATURE_EXACT_ADDRESS (1<<11)
#define UFFD_FEATURE_WP_HUGETLBFS_SHMEM (1<<12)
+#define UFFD_FEATURE_WP_UNPOPULATED (1<<13)
__u64 features;
__u64 ioctls;
@@ -297,6 +305,13 @@ struct uffdio_writeprotect {
struct uffdio_continue {
struct uffdio_range range;
#define UFFDIO_CONTINUE_MODE_DONTWAKE ((__u64)1<<0)
+ /*
+ * UFFDIO_CONTINUE_MODE_WP will map the page write protected on
+ * the fly. UFFDIO_CONTINUE_MODE_WP is available only if the
+ * write protected ioctl is implemented for the range
+ * according to the uffdio_register.ioctls.
+ */
+#define UFFDIO_CONTINUE_MODE_WP ((__u64)1<<1)
__u64 mode;
/*
diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/uuid.h
index 96ac684a4b2f..8443738f4bb2 100644
--- a/include/uapi/linux/uuid.h
+++ b/include/uapi/linux/uuid.h
@@ -1,30 +1 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/* DO NOT USE in new code! This is solely for MEI due to legacy reasons */
-/*
- * MEI UUID definition
- *
- * Copyright (C) 2010, Intel Corp.
- * Huang Ying <ying.huang@intel.com>
- */
-
-#ifndef _UAPI_LINUX_UUID_H_
-#define _UAPI_LINUX_UUID_H_
-
-#include <linux/types.h>
-
-typedef struct {
- __u8 b[16];
-} uuid_le;
-
-#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
-((uuid_le) \
-{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
- (b) & 0xff, ((b) >> 8) & 0xff, \
- (c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
-
-#define NULL_UUID_LE \
- UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00)
-
-#endif /* _UAPI_LINUX_UUID_H_ */
+#include <linux/mei_uuid.h>
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index 3c05162bc988..2c712c654165 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -100,6 +100,12 @@
#define VIRTIO_F_SR_IOV 37
/*
+ * This feature indicates that the driver passes extra data (besides
+ * identifying the virtqueue) in its device notifications.
+ */
+#define VIRTIO_F_NOTIFICATION_DATA 38
+
+/*
* This feature indicates that the driver can reset a queue individually.
*/
#define VIRTIO_F_RING_RESET 40
generated by cgit v1.2.3 (git 2.39.0) at 2026-01-05 13:41:32 +0300