Merge tag 'v4.10-rc1' into docs-next

Linux 4.10-rc1

67 files changed, 4880 insertions, 417 deletions

diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index cd2be1c8e9fb..a8b93e685239 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -70,6 +70,7 @@ header-y += bfs_fs.h
 header-y += binfmts.h
 header-y += blkpg.h
 header-y += blktrace_api.h
+header-y += blkzoned.h
 header-y += bpf_common.h
 header-y += bpf_perf_event.h
 header-y += bpf.h
@@ -83,6 +84,8 @@ header-y += capi.h
 header-y += cciss_defs.h
 header-y += cciss_ioctl.h
 header-y += cdrom.h
+header-y += cec.h
+header-y += cec-funcs.h
 header-y += cgroupstats.h
 header-y += chio.h
 header-y += cm4000_cs.h
@@ -426,6 +429,7 @@ header-y += udp.h
 header-y += uhid.h
 header-y += uinput.h
 header-y += uio.h
+header-y += uleds.h
 header-y += ultrasound.h
 header-y += un.h
 header-y += unistd.h
@@ -460,6 +464,7 @@ header-y += virtio_rng.h
 header-y += virtio_scsi.h
 header-y += virtio_types.h
 header-y += virtio_vsock.h
+header-y += virtio_crypto.h
 header-y += vm_sockets.h
 header-y += vt.h
 header-y += vtpm_proxy.h
diff --git a/include/uapi/linux/atm_zatm.h b/include/uapi/linux/atm_zatm.h
index 5cd4d4d2dd1d..9c9c6ad55f14 100644
--- a/include/uapi/linux/atm_zatm.h
+++ b/include/uapi/linux/atm_zatm.h
@@ -14,7 +14,6 @@
 
 #include <linux/atmapi.h>
 #include <linux/atmioc.h>
-#include <linux/time.h>
 
 #define ZATM_GETPOOL	_IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
 						/* get pool statistics */
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 208df7b44e90..1c107cb1c83f 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -254,6 +254,7 @@
 #define AUDIT_OBJ_LEV_LOW	22
 #define AUDIT_OBJ_LEV_HIGH	23
 #define AUDIT_LOGINUID_SET	24
+#define AUDIT_SESSIONID	25	/* Session ID */
 
 				/* These are ONLY useful when checking
 				 * at syscall exit time (AUDIT_AT_EXIT). */
@@ -330,10 +331,12 @@ enum {
 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME	0x00000002
 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH	0x00000004
 #define AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND	0x00000008
+#define AUDIT_FEATURE_BITMAP_SESSIONID_FILTER	0x00000010
 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \
 				  AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \
 				  AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH | \
-				  AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND)
+				  AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND | \
+				  AUDIT_FEATURE_BITMAP_SESSIONID_FILTER)
 
 /* deprecated: AUDIT_VERSION_* */
 #define AUDIT_VERSION_LATEST 		AUDIT_FEATURE_BITMAP_ALL
diff --git a/include/uapi/linux/blkzoned.h b/include/uapi/linux/blkzoned.h
new file mode 100644
index 000000000000..40d1d7bff537
--- /dev/null
+++ b/include/uapi/linux/blkzoned.h
@@ -0,0 +1,143 @@
+/*
+ * Zoned block devices handling.
+ *
+ * Copyright (C) 2015 Seagate Technology PLC
+ *
+ * Written by: Shaun Tancheff <shaun.tancheff@seagate.com>
+ *
+ * Modified by: Damien Le Moal <damien.lemoal@hgst.com>
+ * Copyright (C) 2016 Western Digital
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#ifndef _UAPI_BLKZONED_H
+#define _UAPI_BLKZONED_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/**
+ * enum blk_zone_type - Types of zones allowed in a zoned device.
+ *
+ * @BLK_ZONE_TYPE_CONVENTIONAL: The zone has no write pointer and can be writen
+ *                              randomly. Zone reset has no effect on the zone.
+ * @BLK_ZONE_TYPE_SEQWRITE_REQ: The zone must be written sequentially
+ * @BLK_ZONE_TYPE_SEQWRITE_PREF: The zone can be written non-sequentially
+ *
+ * Any other value not defined is reserved and must be considered as invalid.
+ */
+enum blk_zone_type {
+	BLK_ZONE_TYPE_CONVENTIONAL	= 0x1,
+	BLK_ZONE_TYPE_SEQWRITE_REQ	= 0x2,
+	BLK_ZONE_TYPE_SEQWRITE_PREF	= 0x3,
+};
+
+/**
+ * enum blk_zone_cond - Condition [state] of a zone in a zoned device.
+ *
+ * @BLK_ZONE_COND_NOT_WP: The zone has no write pointer, it is conventional.
+ * @BLK_ZONE_COND_EMPTY: The zone is empty.
+ * @BLK_ZONE_COND_IMP_OPEN: The zone is open, but not explicitly opened.
+ * @BLK_ZONE_COND_EXP_OPEN: The zones was explicitly opened by an
+ *                          OPEN ZONE command.
+ * @BLK_ZONE_COND_CLOSED: The zone was [explicitly] closed after writing.
+ * @BLK_ZONE_COND_FULL: The zone is marked as full, possibly by a zone
+ *                      FINISH ZONE command.
+ * @BLK_ZONE_COND_READONLY: The zone is read-only.
+ * @BLK_ZONE_COND_OFFLINE: The zone is offline (sectors cannot be read/written).
+ *
+ * The Zone Condition state machine in the ZBC/ZAC standards maps the above
+ * deinitions as:
+ *   - ZC1: Empty         | BLK_ZONE_EMPTY
+ *   - ZC2: Implicit Open | BLK_ZONE_COND_IMP_OPEN
+ *   - ZC3: Explicit Open | BLK_ZONE_COND_EXP_OPEN
+ *   - ZC4: Closed        | BLK_ZONE_CLOSED
+ *   - ZC5: Full          | BLK_ZONE_FULL
+ *   - ZC6: Read Only     | BLK_ZONE_READONLY
+ *   - ZC7: Offline       | BLK_ZONE_OFFLINE
+ *
+ * Conditions 0x5 to 0xC are reserved by the current ZBC/ZAC spec and should
+ * be considered invalid.
+ */
+enum blk_zone_cond {
+	BLK_ZONE_COND_NOT_WP	= 0x0,
+	BLK_ZONE_COND_EMPTY	= 0x1,
+	BLK_ZONE_COND_IMP_OPEN	= 0x2,
+	BLK_ZONE_COND_EXP_OPEN	= 0x3,
+	BLK_ZONE_COND_CLOSED	= 0x4,
+	BLK_ZONE_COND_READONLY	= 0xD,
+	BLK_ZONE_COND_FULL	= 0xE,
+	BLK_ZONE_COND_OFFLINE	= 0xF,
+};
+
+/**
+ * struct blk_zone - Zone descriptor for BLKREPORTZONE ioctl.
+ *
+ * @start: Zone start in 512 B sector units
+ * @len: Zone length in 512 B sector units
+ * @wp: Zone write pointer location in 512 B sector units
+ * @type: see enum blk_zone_type for possible values
+ * @cond: see enum blk_zone_cond for possible values
+ * @non_seq: Flag indicating that the zone is using non-sequential resources
+ *           (for host-aware zoned block devices only).
+ * @reset: Flag indicating that a zone reset is recommended.
+ * @reserved: Padding to 64 B to match the ZBC/ZAC defined zone descriptor size.
+ *
+ * start, len and wp use the regular 512 B sector unit, regardless of the
+ * device logical block size. The overall structure size is 64 B to match the
+ * ZBC/ZAC defined zone descriptor and allow support for future additional
+ * zone information.
+ */
+struct blk_zone {
+	__u64	start;		/* Zone start sector */
+	__u64	len;		/* Zone length in number of sectors */
+	__u64	wp;		/* Zone write pointer position */
+	__u8	type;		/* Zone type */
+	__u8	cond;		/* Zone condition */
+	__u8	non_seq;	/* Non-sequential write resources active */
+	__u8	reset;		/* Reset write pointer recommended */
+	__u8	reserved[36];
+};
+
+/**
+ * struct blk_zone_report - BLKREPORTZONE ioctl request/reply
+ *
+ * @sector: starting sector of report
+ * @nr_zones: IN maximum / OUT actual
+ * @reserved: padding to 16 byte alignment
+ * @zones: Space to hold @nr_zones @zones entries on reply.
+ *
+ * The array of at most @nr_zones must follow this structure in memory.
+ */
+struct blk_zone_report {
+	__u64		sector;
+	__u32		nr_zones;
+	__u8		reserved[4];
+	struct blk_zone zones[0];
+} __packed;
+
+/**
+ * struct blk_zone_range - BLKRESETZONE ioctl request
+ * @sector: starting sector of the first zone to issue reset write pointer
+ * @nr_sectors: Total number of sectors of 1 or more zones to reset
+ */
+struct blk_zone_range {
+	__u64		sector;
+	__u64		nr_sectors;
+};
+
+/**
+ * Zoned block device ioctl's:
+ *
+ * @BLKREPORTZONE: Get zone information. Takes a zone report as argument.
+ *                 The zone report will start from the zone containing the
+ *                 sector specified in the report request structure.
+ * @BLKRESETZONE: Reset the write pointer of the zones in the specified
+ *                sector range. The sector range must be zone aligned.
+ */
+#define BLKREPORTZONE	_IOWR(0x12, 130, struct blk_zone_report)
+#define BLKRESETZONE	_IOW(0x12, 131, struct blk_zone_range)
+
+#endif /* _UAPI_BLKZONED_H */
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index f09c70b97eca..0eb0e87dbe9f 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -73,6 +73,8 @@ enum bpf_cmd {
 	BPF_PROG_LOAD,
 	BPF_OBJ_PIN,
 	BPF_OBJ_GET,
+	BPF_PROG_ATTACH,
+	BPF_PROG_DETACH,
 };
 
 enum bpf_map_type {
@@ -85,6 +87,8 @@ enum bpf_map_type {
 	BPF_MAP_TYPE_PERCPU_ARRAY,
 	BPF_MAP_TYPE_STACK_TRACE,
 	BPF_MAP_TYPE_CGROUP_ARRAY,
+	BPF_MAP_TYPE_LRU_HASH,
+	BPF_MAP_TYPE_LRU_PERCPU_HASH,
 };
 
 enum bpf_prog_type {
@@ -96,8 +100,22 @@ enum bpf_prog_type {
 	BPF_PROG_TYPE_TRACEPOINT,
 	BPF_PROG_TYPE_XDP,
 	BPF_PROG_TYPE_PERF_EVENT,
+	BPF_PROG_TYPE_CGROUP_SKB,
+	BPF_PROG_TYPE_CGROUP_SOCK,
+	BPF_PROG_TYPE_LWT_IN,
+	BPF_PROG_TYPE_LWT_OUT,
+	BPF_PROG_TYPE_LWT_XMIT,
 };
 
+enum bpf_attach_type {
+	BPF_CGROUP_INET_INGRESS,
+	BPF_CGROUP_INET_EGRESS,
+	BPF_CGROUP_INET_SOCK_CREATE,
+	__MAX_BPF_ATTACH_TYPE
+};
+
+#define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
+
 #define BPF_PSEUDO_MAP_FD	1
 
 /* flags for BPF_MAP_UPDATE_ELEM command */
@@ -106,6 +124,13 @@ enum bpf_prog_type {
 #define BPF_EXIST	2 /* update existing element */
 
 #define BPF_F_NO_PREALLOC	(1U << 0)
+/* Instead of having one common LRU list in the
+ * BPF_MAP_TYPE_LRU_[PERCPU_]HASH map, use a percpu LRU list
+ * which can scale and perform better.
+ * Note, the LRU nodes (including free nodes) cannot be moved
+ * across different LRU lists.
+ */
+#define BPF_F_NO_COMMON_LRU	(1U << 1)
 
 union bpf_attr {
 	struct { /* anonymous struct used by BPF_MAP_CREATE command */
@@ -141,293 +166,327 @@ union bpf_attr {
 		__aligned_u64	pathname;
 		__u32		bpf_fd;
 	};
+
+	struct { /* anonymous struct used by BPF_PROG_ATTACH/DETACH commands */
+		__u32		target_fd;	/* container object to attach to */
+		__u32		attach_bpf_fd;	/* eBPF program to attach */
+		__u32		attach_type;
+	};
 } __attribute__((aligned(8)));
 
+/* BPF helper function descriptions:
+ *
+ * void *bpf_map_lookup_elem(&map, &key)
+ *     Return: Map value or NULL
+ *
+ * int bpf_map_update_elem(&map, &key, &value, flags)
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_map_delete_elem(&map, &key)
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_probe_read(void *dst, int size, void *src)
+ *     Return: 0 on success or negative error
+ *
+ * u64 bpf_ktime_get_ns(void)
+ *     Return: current ktime
+ *
+ * int bpf_trace_printk(const char *fmt, int fmt_size, ...)
+ *     Return: length of buffer written or negative error
+ *
+ * u32 bpf_prandom_u32(void)
+ *     Return: random value
+ *
+ * u32 bpf_raw_smp_processor_id(void)
+ *     Return: SMP processor ID
+ *
+ * int bpf_skb_store_bytes(skb, offset, from, len, flags)
+ *     store bytes into packet
+ *     @skb: pointer to skb
+ *     @offset: offset within packet from skb->mac_header
+ *     @from: pointer where to copy bytes from
+ *     @len: number of bytes to store into packet
+ *     @flags: bit 0 - if true, recompute skb->csum
+ *             other bits - reserved
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_l3_csum_replace(skb, offset, from, to, flags)
+ *     recompute IP checksum
+ *     @skb: pointer to skb
+ *     @offset: offset within packet where IP checksum is located
+ *     @from: old value of header field
+ *     @to: new value of header field
+ *     @flags: bits 0-3 - size of header field
+ *             other bits - reserved
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_l4_csum_replace(skb, offset, from, to, flags)
+ *     recompute TCP/UDP checksum
+ *     @skb: pointer to skb
+ *     @offset: offset within packet where TCP/UDP checksum is located
+ *     @from: old value of header field
+ *     @to: new value of header field
+ *     @flags: bits 0-3 - size of header field
+ *             bit 4 - is pseudo header
+ *             other bits - reserved
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_tail_call(ctx, prog_array_map, index)
+ *     jump into another BPF program
+ *     @ctx: context pointer passed to next program
+ *     @prog_array_map: pointer to map which type is BPF_MAP_TYPE_PROG_ARRAY
+ *     @index: index inside array that selects specific program to run
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_clone_redirect(skb, ifindex, flags)
+ *     redirect to another netdev
+ *     @skb: pointer to skb
+ *     @ifindex: ifindex of the net device
+ *     @flags: bit 0 - if set, redirect to ingress instead of egress
+ *             other bits - reserved
+ *     Return: 0 on success or negative error
+ *
+ * u64 bpf_get_current_pid_tgid(void)
+ *     Return: current->tgid << 32 | current->pid
+ *
+ * u64 bpf_get_current_uid_gid(void)
+ *     Return: current_gid << 32 | current_uid
+ *
+ * int bpf_get_current_comm(char *buf, int size_of_buf)
+ *     stores current->comm into buf
+ *     Return: 0 on success or negative error
+ *
+ * u32 bpf_get_cgroup_classid(skb)
+ *     retrieve a proc's classid
+ *     @skb: pointer to skb
+ *     Return: classid if != 0
+ *
+ * int bpf_skb_vlan_push(skb, vlan_proto, vlan_tci)
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_skb_vlan_pop(skb)
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_skb_get_tunnel_key(skb, key, size, flags)
+ * int bpf_skb_set_tunnel_key(skb, key, size, flags)
+ *     retrieve or populate tunnel metadata
+ *     @skb: pointer to skb
+ *     @key: pointer to 'struct bpf_tunnel_key'
+ *     @size: size of 'struct bpf_tunnel_key'
+ *     @flags: room for future extensions
+ *     Return: 0 on success or negative error
+ *
+ * u64 bpf_perf_event_read(&map, index)
+ *     Return: Number events read or error code
+ *
+ * int bpf_redirect(ifindex, flags)
+ *     redirect to another netdev
+ *     @ifindex: ifindex of the net device
+ *     @flags: bit 0 - if set, redirect to ingress instead of egress
+ *             other bits - reserved
+ *     Return: TC_ACT_REDIRECT
+ *
+ * u32 bpf_get_route_realm(skb)
+ *     retrieve a dst's tclassid
+ *     @skb: pointer to skb
+ *     Return: realm if != 0
+ *
+ * int bpf_perf_event_output(ctx, map, index, data, size)
+ *     output perf raw sample
+ *     @ctx: struct pt_regs*
+ *     @map: pointer to perf_event_array map
+ *     @index: index of event in the map
+ *     @data: data on stack to be output as raw data
+ *     @size: size of data
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_get_stackid(ctx, map, flags)
+ *     walk user or kernel stack and return id
+ *     @ctx: struct pt_regs*
+ *     @map: pointer to stack_trace map
+ *     @flags: bits 0-7 - numer of stack frames to skip
+ *             bit 8 - collect user stack instead of kernel
+ *             bit 9 - compare stacks by hash only
+ *             bit 10 - if two different stacks hash into the same stackid
+ *                      discard old
+ *             other bits - reserved
+ *     Return: >= 0 stackid on success or negative error
+ *
+ * s64 bpf_csum_diff(from, from_size, to, to_size, seed)
+ *     calculate csum diff
+ *     @from: raw from buffer
+ *     @from_size: length of from buffer
+ *     @to: raw to buffer
+ *     @to_size: length of to buffer
+ *     @seed: optional seed
+ *     Return: csum result or negative error code
+ *
+ * int bpf_skb_get_tunnel_opt(skb, opt, size)
+ *     retrieve tunnel options metadata
+ *     @skb: pointer to skb
+ *     @opt: pointer to raw tunnel option data
+ *     @size: size of @opt
+ *     Return: option size
+ *
+ * int bpf_skb_set_tunnel_opt(skb, opt, size)
+ *     populate tunnel options metadata
+ *     @skb: pointer to skb
+ *     @opt: pointer to raw tunnel option data
+ *     @size: size of @opt
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_skb_change_proto(skb, proto, flags)
+ *     Change protocol of the skb. Currently supported is v4 -> v6,
+ *     v6 -> v4 transitions. The helper will also resize the skb. eBPF
+ *     program is expected to fill the new headers via skb_store_bytes
+ *     and lX_csum_replace.
+ *     @skb: pointer to skb
+ *     @proto: new skb->protocol type
+ *     @flags: reserved
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_skb_change_type(skb, type)
+ *     Change packet type of skb.
+ *     @skb: pointer to skb
+ *     @type: new skb->pkt_type type
+ *     Return: 0 on success or negative error
+ *
+ * int bpf_skb_under_cgroup(skb, map, index)
+ *     Check cgroup2 membership of skb
+ *     @skb: pointer to skb
+ *     @map: pointer to bpf_map in BPF_MAP_TYPE_CGROUP_ARRAY type
+ *     @index: index of the cgroup in the bpf_map
+ *     Return:
+ *       == 0 skb failed the cgroup2 descendant test
+ *       == 1 skb succeeded the cgroup2 descendant test
+ *        < 0 error
+ *
+ * u32 bpf_get_hash_recalc(skb)
+ *     Retrieve and possibly recalculate skb->hash.
+ *     @skb: pointer to skb
+ *     Return: hash
+ *
+ * u64 bpf_get_current_task(void)
+ *     Returns current task_struct
+ *     Return: current
+ *
+ * int bpf_probe_write_user(void *dst, void *src, int len)
+ *     safely attempt to write to a location
+ *     @dst: destination address in userspace
+ *     @src: source address on stack
+ *     @len: number of bytes to copy
+ *     Return: 0 on success or neg