Merge tag 'kvm-arm-for-v4.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

KVM/ARM Fixes for v4.7-rc2

Fixes for the vgic, 2 of the patches address a bug introduced in v4.6
while the rest are for the new vgic.

30 files changed, 603 insertions, 224 deletions

diff --git a/include/drm/drm_dp_dual_mode_helper.h b/include/drm/drm_dp_dual_mode_helper.h
new file mode 100644
index 000000000000..e8a9dfd0e055
--- /dev/null
+++ b/include/drm/drm_dp_dual_mode_helper.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef DRM_DP_DUAL_MODE_HELPER_H
+#define DRM_DP_DUAL_MODE_HELPER_H
+
+#include <linux/types.h>
+
+/*
+ * Optional for type 1 DVI adaptors
+ * Mandatory for type 1 HDMI and type 2 adaptors
+ */
+#define DP_DUAL_MODE_HDMI_ID 0x00 /* 00-0f */
+#define  DP_DUAL_MODE_HDMI_ID_LEN 16
+/*
+ * Optional for type 1 adaptors
+ * Mandatory for type 2 adaptors
+ */
+#define DP_DUAL_MODE_ADAPTOR_ID 0x10
+#define  DP_DUAL_MODE_REV_MASK 0x07
+#define  DP_DUAL_MODE_REV_TYPE2 0x00
+#define  DP_DUAL_MODE_TYPE_MASK 0xf0
+#define  DP_DUAL_MODE_TYPE_TYPE2 0xa0
+#define DP_DUAL_MODE_IEEE_OUI 0x11 /* 11-13*/
+#define  DP_DUAL_IEEE_OUI_LEN 3
+#define DP_DUAL_DEVICE_ID 0x14 /* 14-19 */
+#define  DP_DUAL_DEVICE_ID_LEN 6
+#define DP_DUAL_MODE_HARDWARE_REV 0x1a
+#define DP_DUAL_MODE_FIRMWARE_MAJOR_REV 0x1b
+#define DP_DUAL_MODE_FIRMWARE_MINOR_REV 0x1c
+#define DP_DUAL_MODE_MAX_TMDS_CLOCK 0x1d
+#define DP_DUAL_MODE_I2C_SPEED_CAP 0x1e
+#define DP_DUAL_MODE_TMDS_OEN 0x20
+#define  DP_DUAL_MODE_TMDS_DISABLE 0x01
+#define DP_DUAL_MODE_HDMI_PIN_CTRL 0x21
+#define  DP_DUAL_MODE_CEC_ENABLE 0x01
+#define DP_DUAL_MODE_I2C_SPEED_CTRL 0x22
+
+struct i2c_adapter;
+
+ssize_t drm_dp_dual_mode_read(struct i2c_adapter *adapter,
+			      u8 offset, void *buffer, size_t size);
+ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
+			       u8 offset, const void *buffer, size_t size);
+
+/**
+ * enum drm_dp_dual_mode_type - Type of the DP dual mode adaptor
+ * @DRM_DP_DUAL_MODE_NONE: No DP dual mode adaptor
+ * @DRM_DP_DUAL_MODE_UNKNOWN: Could be either none or type 1 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE1_DVI: Type 1 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
+ * @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
+ */
+enum drm_dp_dual_mode_type {
+	DRM_DP_DUAL_MODE_NONE,
+	DRM_DP_DUAL_MODE_UNKNOWN,
+	DRM_DP_DUAL_MODE_TYPE1_DVI,
+	DRM_DP_DUAL_MODE_TYPE1_HDMI,
+	DRM_DP_DUAL_MODE_TYPE2_DVI,
+	DRM_DP_DUAL_MODE_TYPE2_HDMI,
+};
+
+enum drm_dp_dual_mode_type drm_dp_dual_mode_detect(struct i2c_adapter *adapter);
+int drm_dp_dual_mode_max_tmds_clock(enum drm_dp_dual_mode_type type,
+				    struct i2c_adapter *adapter);
+int drm_dp_dual_mode_get_tmds_output(enum drm_dp_dual_mode_type type,
+				     struct i2c_adapter *adapter, bool *enabled);
+int drm_dp_dual_mode_set_tmds_output(enum drm_dp_dual_mode_type type,
+				     struct i2c_adapter *adapter, bool enable);
+const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type);
+
+#endif
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f8506e8dd4d4..484c8792da82 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -10,6 +10,7 @@
 #include <linux/cache.h>
 #include <linux/rcupdate.h>
 #include <linux/lockref.h>
+#include <linux/stringhash.h>
 
 struct path;
 struct vfsmount;
@@ -52,9 +53,6 @@ struct qstr {
 };
 
 #define QSTR_INIT(n,l) { { { .len = l } }, .name = n }
-#define hashlen_hash(hashlen) ((u32) (hashlen))
-#define hashlen_len(hashlen)  ((u32)((hashlen) >> 32))
-#define hashlen_create(hash,len) (((u64)(len)<<32)|(u32)(hash))
 
 struct dentry_stat_t {
 	long nr_dentry;
@@ -65,29 +63,6 @@ struct dentry_stat_t {
 };
 extern struct dentry_stat_t dentry_stat;
 
-/* Name hashing routines. Initial hash value */
-/* Hash courtesy of the R5 hash in reiserfs modulo sign bits */
-#define init_name_hash()		0
-
-/* partial hash update function. Assume roughly 4 bits per character */
-static inline unsigned long
-partial_name_hash(unsigned long c, unsigned long prevhash)
-{
-	return (prevhash + (c << 4) + (c >> 4)) * 11;
-}
-
-/*
- * Finally: cut down the number of bits to a int value (and try to avoid
- * losing bits)
- */
-static inline unsigned long end_name_hash(unsigned long hash)
-{
-	return (unsigned int) hash;
-}
-
-/* Compute the hash for a name string. */
-extern unsigned int full_name_hash(const unsigned char *, unsigned int);
-
 /*
  * Try to keep struct dentry aligned on 64 byte cachelines (this will
  * give reasonable cacheline footprint with larger lines without the
diff --git a/include/linux/err.h b/include/linux/err.h
index 56762ab41713..1e3558845e4c 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -18,7 +18,7 @@
 
 #ifndef __ASSEMBLY__
 
-#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
+#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
 
 static inline void * __must_check ERR_PTR(long error)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9ace7f745bcd..dd288148a6b1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1729,7 +1729,8 @@ struct inode_operations {
 			struct inode *, struct dentry *, unsigned int);
 	int (*setattr) (struct dentry *, struct iattr *);
 	int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
-	int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
+	int (*setxattr) (struct dentry *, struct inode *,
+			 const char *, const void *, size_t, int);
 	ssize_t (*getxattr) (struct dentry *, struct inode *,
 			     const char *, void *, size_t);
 	ssize_t (*listxattr) (struct dentry *, char *, size_t);
diff --git a/include/linux/hash.h b/include/linux/hash.h
index 79c52fa81cac..ad6fa21d977b 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -3,92 +3,94 @@
 /* Fast hashing routine for ints,  longs and pointers.
    (C) 2002 Nadia Yvette Chambers, IBM */
 
-/*
- * Knuth recommends primes in approximately golden ratio to the maximum
- * integer representable by a machine word for multiplicative hashing.
- * Chuck Lever verified the effectiveness of this technique:
- * http://www.citi.umich.edu/techreports/reports/citi-tr-00-1.pdf
- *
- * These primes are chosen to be bit-sparse, that is operations on
- * them can use shifts and additions instead of multiplications for
- * machines where multiplications are slow.
- */
-
 #include <asm/types.h>
 #include <linux/compiler.h>
 
-/* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
-#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
-/*  2^63 + 2^61 - 2^57 + 2^54 - 2^51 - 2^18 + 1 */
-#define GOLDEN_RATIO_PRIME_64 0x9e37fffffffc0001UL
-
+/*
+ * The "GOLDEN_RATIO_PRIME" is used in ifs/btrfs/brtfs_inode.h and
+ * fs/inode.c.  It's not actually prime any more (the previous primes
+ * were actively bad for hashing), but the name remains.
+ */
 #if BITS_PER_LONG == 32
-#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_PRIME_32
+#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_32
 #define hash_long(val, bits) hash_32(val, bits)
 #elif BITS_PER_LONG == 64
 #define hash_long(val, bits) hash_64(val, bits)
-#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_PRIME_64
+#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_64
 #else
 #error Wordsize not 32 or 64
 #endif
 
 /*
- * The above primes are actively bad for hashing, since they are
- * too sparse. The 32-bit one is mostly ok, the 64-bit one causes
- * real problems. Besides, the "prime" part is pointless for the
- * multiplicative hash.
+ * This hash multiplies the input by a large odd number and takes the
+ * high bits.  Since multiplication propagates changes to the most
+ * significant end only, it is essential that the high bits of the
+ * product be used for the hash value.
+ *
+ * Chuck Lever verified the effectiveness of this technique:
+ * http://www.citi.umich.edu/techreports/reports/citi-tr-00-1.pdf
  *
  * Although a random odd number will do, it turns out that the golden
  * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice
- * properties.
+ * properties.  (See Knuth vol 3, section 6.4, exercise 9.)
  *
- * These are the negative, (1 - phi) = (phi^2) = (3 - sqrt(5))/2.
- * (See Knuth vol 3, section 6.4, exercise 9.)
+ * These are the negative, (1 - phi) = phi**2 = (3 - sqrt(5))/2,
+ * which is very slightly easier to multiply by and makes no
+ * difference to the hash distribution.
  */
 #define GOLDEN_RATIO_32 0x61C88647
 #define GOLDEN_RATIO_64 0x61C8864680B583EBull
 
-static __always_inline u64 hash_64(u64 val, unsigned int bits)
-{
-	u64 hash = val;
+#ifdef CONFIG_HAVE_ARCH_HASH
+/* This header may use the GOLDEN_RATIO_xx constants */
+#include <asm/hash.h>
+#endif
 
-#if BITS_PER_LONG == 64
-	hash = hash * GOLDEN_RATIO_64;
-#else
-	/*  Sigh, gcc can't optimise this alone like it does for 32 bits. */
-	u64 n = hash;
-	n <<= 18;
-	hash -= n;
-	n <<= 33;
-	hash -= n;
-	n <<= 3;
-	hash += n;
-	n <<= 3;
-	hash -= n;
-	n <<= 4;
-	hash += n;
-	n <<= 2;
-	hash += n;
+/*
+ * The _generic versions exist only so lib/test_hash.c can compare
+ * the arch-optimized versions with the generic.
+ *
+ * Note that if you change these, any <asm/hash.h> that aren't updated
+ * to match need to have their HAVE_ARCH_* define values updated so the
+ * self-test will not false-positive.
+ */
+#ifndef HAVE_ARCH__HASH_32
+#define __hash_32 __hash_32_generic
 #endif
+static inline u32 __hash_32_generic(u32 val)
+{
+	return val * GOLDEN_RATIO_32;
+}
 
+#ifndef HAVE_ARCH_HASH_32
+#define hash_32 hash_32_generic
+#endif
+static inline u32 hash_32_generic(u32 val, unsigned int bits)
+{
 	/* High bits are more random, so use them. */
-	return hash >> (64 - bits);
+	return __hash_32(val) >> (32 - bits);
 }
 
-static inline u32 hash_32(u32 val, unsigned int bits)
+#ifndef HAVE_ARCH_HASH_64
+#define hash_64 hash_64_generic
+#endif
+static __always_inline u32 hash_64_generic(u64 val, unsigned int bits)
 {
-	/* On some cpus multiply is faster, on others gcc will do shifts */
-	u32 hash = val * GOLDEN_RATIO_PRIME_32;
-
-	/* High bits are more random, so use them. */
-	return hash >> (32 - bits);
+#if BITS_PER_LONG == 64
+	/* 64x64-bit multiply is efficient on all 64-bit processors */
+	return val * GOLDEN_RATIO_64 >> (64 - bits);
+#else
+	/* Hash 64 bits using only 32x32-bit multiply. */
+	return hash_32((u32)val ^ __hash_32(val >> 32), bits);
+#endif
 }
 
-static inline unsigned long hash_ptr(const void *ptr, unsigned int bits)
+static inline u32 hash_ptr(const void *ptr, unsigned int bits)
 {
 	return hash_long((unsigned long)ptr, bits);
 }
 
+/* This really should be called fold32_ptr; it does no hashing to speak of. */
 static inline u32 hash32_ptr(const void *ptr)
 {
 	unsigned long val = (unsigned long)ptr;
diff --git a/include/linux/iova.h b/include/linux/iova.h
index 92f7177db2ce..f27bb2c62fca 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -19,8 +19,21 @@
 /* iova structure */
 struct iova {
 	struct rb_node	node;
-	unsigned long	pfn_hi; /* IOMMU dish out addr hi */
-	unsigned long	pfn_lo; /* IOMMU dish out addr lo */
+	unsigned long	pfn_hi; /* Highest allocated pfn */
+	unsigned long	pfn_lo; /* Lowest allocated pfn */
+};
+
+struct iova_magazine;
+struct iova_cpu_rcache;
+
+#define IOVA_RANGE_CACHE_MAX_SIZE 6	/* log of max cached IOVA range size (in pages) */
+#define MAX_GLOBAL_MAGS 32	/* magazines per bin */
+
+struct iova_rcache {
+	spinlock_t lock;
+	unsigned long depot_size;
+	struct iova_magazine *depot[MAX_GLOBAL_MAGS];
+	struct iova_cpu_rcache __percpu *cpu_rcaches;
 };
 
 /* holds all the iova translations for a domain */
@@ -31,6 +44,7 @@ struct iova_domain {
 	unsigned long	granule;	/* pfn granularity for this domain */
 	unsigned long	start_pfn;	/* Lower limit for this domain */
 	unsigned long	dma_32bit_pfn;
+	struct iova_rcache rcaches[IOVA_RANGE_CACHE_MAX_SIZE];	/* IOVA range caches */
 };
 
 static inline unsigned long iova_size(struct iova *iova)
@@ -78,6 +92,10 @@ void __free_iova(struct iova_domain *iovad, struct iova *iova);
 struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size,
 	unsigned long limit_pfn,
 	bool size_aligned);
+void free_iova_fast(struct iova_domain *iovad, unsigned long pfn,
+		    unsigned long size);
+unsigned long alloc_iova_fast(struct iova_domain *iovad, unsigned long size,
+			      unsigned long limit_pfn);
 struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo,
 	unsigned long pfn_hi);
 void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to);
@@ -87,5 +105,6 @@ struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
 void put_iova_domain(struct iova_domain *iovad);
 struct iova *split_and_remove_iova(struct iova_domain *iovad,
 	struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
+void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);
 
 #endif
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 20d8a5d4d133..5145620ba48a 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -182,7 +182,7 @@ static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
 #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */
 
 #ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE
-extern void register_page_bootmem_info_node(struct pglist_data *pgdat);
+extern void __init register_page_bootmem_info_node(struct pglist_data *pgdat);
 #else
 static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
 {
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index a677c2bd485c..64184d27e3cd 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -50,9 +50,11 @@ enum {
 					EC_MSG_TX_TRAILER_BYTES,
 	EC_MSG_RX_PROTO_BYTES	= 3,
 
-	/* Max length of messages */
-	EC_MSG_BYTES		= EC_PROTO2_MAX_PARAM_SIZE +
+	/* Max length of messages for proto 2*/
+	EC_PROTO2_MSG_BYTES		= EC_PROTO2_MAX_PARAM_SIZE +
 					EC_MSG_TX_PROTO_BYTES,
+
+	EC_MAX_MSG_BYTES		= 64 * 1024,
 };
 
 /*
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 8f9fc3d26e6d..8e95cd87cd74 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -134,6 +134,7 @@
 #define TWL6040_HFDACENA		(1 << 0)
 #define TWL6040_HFPGAENA		(1 << 1)
 #define TWL6040_HFDRVENA		(1 << 4)
+#define TWL6040_HFSWENA			(1 << 6)
 
 /* VIBCTLL/R (0x18/0x1A) fields */
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a00ec816233a..5df5feb49575 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2018,7 +2018,7 @@ static inline void mm_populate(unsigned long addr, unsigned long len) {}
 #endif
 
 /* These take the mm semaphore themselves */
-extern unsigned long __must_check vm_brk(unsigned long, unsigned long);
+extern int __must_check vm_brk(unsigned long, unsigned long);
 extern int vm_munmap(unsigned long, size_t);
 extern unsigned long __must_check vm_mmap(struct file *, unsigned long,
         unsigned long, unsigned long,
diff --git a/include/linux/platform_data/at24.h b/include/linux/platform_data/at24.h
index dc9a13e5acda..be830b141d83 100644
--- a/include/linux/platform_data/at24.h
+++ b/include/linux/platform_data/at24.h
@@ -26,7 +26,7 @@
  *
  * An example in pseudo code for a setup() callback:
  *
- * void get_mac_addr(struct mvmem_device *nvmem, void *context)
+ * void get_mac_addr(struct nvmem_device *nvmem, void *context)
  * {
  *	u8 *mac_addr = ethernet_pdata->mac_addr;
  *	off_t offset = context;
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index d1c12d160ace..d37fbb34d06f 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -156,6 +156,7 @@ extern void downgrade_write(struct rw_semaphore *sem);
  */
 extern void down_read_nested(struct rw_semaphore *sem, int subclass);
 extern void down_write_nested(struct rw_semaphore *sem, int subclass);
+extern int down_write_killable_nested(struct rw_semaphore *sem, int subclass);
 extern void _down_write_nest_lock(struct rw_semaphore *sem, struct lockdep_map *nest_lock);
 
 # define down_write_nest_lock(sem, nest_lock)			\
@@ -176,6 +177,7 @@ extern void up_read_non_owner(struct rw_semaphore *sem);
 # define down_read_nested(sem, subclass)		down_read(sem)
 # define down_write_nest_lock(sem, nest_lock)	down_write(sem)
 # define down_write_nested(sem, subclass)	down_write(sem)
+# define down_write_killable_nested(sem, subclass)	down_write_killable(sem)
 # define down_read_non_owner(sem)		down_read(sem)
 # define up_read_non_owner(sem)			up_read(sem)
 #endif
diff --git a/include/linux/stringhash.h b/include/linux/stringhash.h
new file mode 100644
index 000000000000..451771d9b9c0
--- /dev/null
+++ b/include/linux/stringhash.h
@@ -0,0 +1,76 @@
+#ifndef __LINUX_STRINGHASH_H
+#define __LINUX_STRINGHASH_H
+
+#include <linux/compiler.h>	/* For __pure */
+#include <linux/types.h>	/* For u32, u64 */
+
+/*
+ * Routines for hashing strings of bytes to a 32-bit hash value.
+ *
+ * These hash functions are NOT GUARANTEED STABLE between kernel
+ * versions, architectures, or even repeated boots of the same kernel.
+ * (E.g. they may depend on boot-time hardware detection or be
+ * deliberately randomized.)
+ *
+ * They are also not intended to be secure against collisions caused by
+ * malicious inputs; much slower hash functions are required for that.
+ *
+ * They are optimized for pathname components, meaning short strings.
+ * Even if a majority of files have longer names, the dynamic profile of
+ * pathname components skews short due to short directory names.
+ * (E.g. /usr/lib/libsesquipedalianism.so.3.141.)
+ */
+
+/*
+ * Version 1: one byte at a time.  Example of use:
+ *
+ * unsigned long hash = init_name_hash;
+ * while (*p)
+ *	hash = partial_name_hash(tolower(*p++), hash);
+ * hash = end_name_hash(hash);
+ *
+ * Although this is designed for bytes, fs/hfsplus/unicode.c
+ * abuses it to hash 16-bit values.
+ */
+
+/* Hash courtesy of the R5 hash in reiserfs modulo sign bits */
+#define init_name_hash()		0
+
+/* partial hash update function. Assume roughly 4 bits per character */
+static inline unsigned long
+partial_name_hash(unsigned long c, unsigned long prevhash)
+{
+	return (prevhash + (c << 4) + (c >> 4)) * 11;
+}
+
+/*
+ * Finally: cut down the number of bits to a int value (and try to avoid
+ * losing bits)
+ */
+static inline unsigned long end_name_hash(unsigned long hash)
+{
+	return (unsigned int)hash;
+}
+
+/*
+ * Version 2: One word (32 or 64 bits) at a time.
+ * If CONFIG_DCACHE_WORD_ACCESS is defined (meaning <asm/word-at-a-time.h>
+ * exists, which describes major Linux platforms like x86 and ARM), then
+ * this computes a different hash function much faster.
+ *
+ * If not set, this falls back to a wrapper around the preceding.
+ */
+extern unsigned int __pure full_name_hash(const char *, unsigned int);
+
+/*
+ * A hash_len is a u64 with the hash of a string in the low
+ * half and the length in the high half.
+ */
+#define hashlen_hash(hashlen) ((u32)(hashlen))
+#define hashlen_len(hashlen)  ((u32)((hashlen) >> 32))
+#define hashlen_create(hash, len) ((u64)(len)<<32 | (u32)(hash))
+
+/* Return the "hash_len" (hash and length) of a null-terminated string */
+extern u64 __pure hashlen_string(const char *name);
+
+#endif	/* __LINUX_STRINGHASH_H */
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index c00f53a4ccdd..91d5a5d6f52b 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -16,6 +16,7 @@
 #include <linux/sunrpc/cache.h>
 #include <linux/sunrpc/gss_api.h>
 #include <linux/hash.h>
+#include <linux/stringhash.h>
 #include <linux/cred.h>
 
 struct svc_cred {
@@ -165,41 +166,18 @@ extern int svcauth_unix_set_client(struct svc_rqst *rqstp);
 extern int unix_gid_cache_create(struct net *net);
 extern void unix_gid_cache_destroy(struct net *net);
 
-static inline unsigned long hash_str(char *name, int bits)
+/*
+ * The <stringhash.h> functions are good enough that we don't need to
+ * use hash_32() on them; just extracting the high bits is enough.
+ */
+static inline unsigned long hash_str(char const *name, int bits)
 {
-	unsigned long hash = 0;
-	unsigned long l = 0;
-	int len = 0;
-	unsigned char c;
-	do {
-		if (unlikely(!(c = *name++))) {
-			c = (char)len; len = -1;
-		}
-		l = (l << 8) | c;
-		len++;
-		if ((len & (BITS_PER_LONG/8-1))==0)
-			hash = hash_long(hash^l, BITS_PER_LONG);
-	} while (len);
-	return hash >> (BITS_PER_LONG - bits);
+	return hashlen_hash(hashlen_string(name)) >> (32 - bits);
 }
 
-static inline unsigned long hash_mem(char *buf, int length, int bits)
+static inline unsigned long hash_mem(char const *buf, int length, int bits)
 {
-	unsigned long hash = 0;
-	unsigned long l = 0;
-	int len = 0;
-	unsigned char c;
-	do {
-		if (len == length) {
-			c = (char)len; len = -1;
-		} else
-			c = *buf++;
-		l = (l << 8) | c;
-		len++;
-		if ((len & (BITS_PER_LONG/8-1))==0)
-			hash = hash_long(hash^l, BITS_PER_LONG);
-	} while (len);
-	return hash >> (BITS_PER_LONG - bits);
+	return full_name_hash(buf, length) >> (32 - bits);
 }
 
 #endif /* __KERNEL__ */
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 1cc4c578deb9..94079bab9243 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -33,8 +33,8 @@ struct xattr_handler {
 		   struct inode *inode, const char *name, void *buffer,
 		   size_t size);
 	int (*set)(const struct xattr_handler *, struct dentry *dentry,
-		   const char *name, const void *buffer, size_t size,
-		   int flags);
+		   struct inode *inode, const char *name, const void *buffer,
+		   size_t size, int flags);
 };
 
 const char *xattr_full_name(const struct xattr_handler *, const char *);
@@ -54,7 +54,8 @@ int vfs_removexattr(struct dentry *, const char *);
 
 ssize_t generic_getxattr(struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size);
 ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);
-int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags);
+int generic_setxattr(struct dentry *dentry, struct inode *inode,
+		     const char *name, const void *value, size_t size, int flags);
 int generic_removexattr(struct dentry *dentry, const char *name);
 ssize_t vfs_getxattr_alloc(struct dentry *dentry, const char *name,
 			   char **xattr_value, size_t size, gfp_t flags);
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 37dd534cbeab..c8a773ffe23b 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -239,12 +239,15 @@ struct ib_vendor_mad {
 
 #define IB_MGMT_CLASSPORTINFO_ATTR_ID	cpu_to_be16(0x0001)
 
+#define IB_CLASS_PORT_INFO_RESP_TIME_MASK	0x1F
+#define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE 5
+
 struct ib_class_port_info {
 	u8			base_version;
 	u8			class_version;
 	__be16			capability_mask;
-	u8			reserved[3];
-	u8			resp_time_value;
+	  /* 27 bits for cap_mask2, 5 bits for resp_time */
+	__be32			cap_mask2_resp_time;
 	u8			redirect_gid[16];
 	__be32			redirect_tcslfl;
 	__be16			redirect_lid;
@@ -259,6 +262,59 @@ struct ib_class_port_info {
 	__be32			trap_qkey;
 };
 
+/**
+ * ib_get_cpi_resp_time - Returns the resp_time value from
+ * cap_mask2_resp_time in ib_class_port_info.
+ * @cpi: A struct ib_class_port_info mad.
+ */
+static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi)
+{
+	return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) &
+		    IB_CLASS_PORT_INFO_RESP_TIME_MASK);
+}
+
+/**
+ * ib_set_cpi_resptime - Sets the response time in an
+ * ib_class_port_info mad.
+ * @cpi: A struct ib_class_port_info.
+ * @rtime: The response time to set.
+ */
+static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi,
+					u8 rtime)
+{
+	cpi->cap_mask2_resp_time =
+		(cpi->cap_mask2_resp_time &
+		 cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
+		cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK);
+}
+
+/**
+ * ib_get_cpi_capmask2 - Returns the capmask2 value from
+ * cap_mask2_resp_time in ib_class_port_info.
+ * @cpi: A struct ib_class_port_info mad.
+ */
+static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi)
+{
+	return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
+		IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
+}
+
+/**
+ * ib_set_cpi_capmask2 - Sets the capmask2 in an
+ * ib_class_port_info mad.
+ * @cpi: A struct ib_class_port_info.
+ * @capmask2: The capmask2 to set.
+ */
+static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
+				       u32 capmask2)
+{
+	cpi->cap_mask2_resp_time =
+		(cpi->cap_mask2_resp_time &
+		 cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
+		cpu_to_be32(capmask2 <<
+			    IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
+}
+
 struct ib_mad_notice_attr {
 	u8 generic_type;
 	u8 prod_type_msb;
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index 0f3daae44bf9..b13419ce99ff 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -103,6 +103,9 @@ enum {
 	IB_OPCODE_ATOMIC_ACKNOWLEDGE                = 0x12,
 	IB_OPCODE_COMPARE_SWAP                      = 0x13,
 	IB_OPCODE_FETCH_ADD                         = 0x14,
+	/* opcode 0x15 is reserved */
+	IB_OPCODE_SEND_LAST_WITH_INVALIDATE         = 0x16,
+	IB_OPCODE_SEND_ONLY_WITH_INVALIDATE         = 0x17,
 
 	/* real constants follow -- see comment about above IB_OPCODE()
 	   macro for more details */
@@ -129,6 +132,8 @@ enum {
 	IB_OPCODE(RC, ATOMIC_ACKNOWLEDGE),
 	IB_OPCODE(RC, COMPARE_SWAP),
 	IB_OPCODE(RC, FETCH_ADD),
+	IB_OPCODE(RC, SEND_LAST_WITH_INVALIDATE),
+	IB_OPCODE(RC, SEND_ONLY_WITH_INVALIDATE),
 
 	/* UC */
 	IB_OPCODE(UC, SEND_FIRST),
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index cdc1c81aa275..384041669489 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -94,6 +94,8 @@ enum ib_sa_selector {
 	IB_SA_BEST = 3
 };
 
+#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT	BIT(12)
+
 /*
  * Structures for SA records are named "struct ib_sa_xxx_rec."  No
  * attempt is made to pack structures to match the physical layout of
@@ -439,4 +441,14 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
 			      void *context,
 			      struct ib_sa_query **sa_query);
 
+/* Support get SA ClassPortInfo */
+int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
+				   struct ib_device *device, u8 port_num,
+				   int timeout_ms, gfp_t gfp_mask,
+				   void (*callback)(int status,
+						    struct ib_class_port_info *resp,
+						    void *context),
+				   void *context,
+				   struct ib_sa_query **sa_query);
+
 #endif /* IB_SA_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index fc0320c004a3..432bed510369 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -403,56 +403,55 @@ enum ib_port_speed {
 	IB_SPEED_EDR	= 32
 };
 
-struct ib_protocol_stats {
-	/* TBD... */
-};
-
-struct iw_protocol_stats {
-	u64	ipInReceives;
-	u64	ipInHdrErrors;
-	u64	ipInTooBigErrors;
-	u64	ipInNoRoutes;
-	u64	ipInAddrErrors;
-	u64	ipInUnknownProtos;
-	u64	ipInTruncatedPkts;
-	u64	ipInDiscards;
-	u64	ipInDelivers;
-	u64	ipOutForwDatagrams;
-	u64	ipOutRequests;
-	u64	ipOutDiscards;
-	u64	ipOutNoRoutes;
-	u64	ipReasmTimeout;
-	u64	ipReasmReqds;
-	u64	ipReasmOKs;
-	u64	ipReasmFails;
-	u64	ipFragOKs;
-	u64	ipFragFails;
-	u64	ipFragCreates;
-	u64	ipInMcastPkts;
-	u64	ipOutMcastPkts;
-	u64	ipInBcastPkts;
-	u64	ipOutBcastPkts;
-
-	u64	tcpRtoAlgorithm;
-	u64	tcpRtoMin;
-	u64	tcpRtoMax;
-	u64	tcpMaxConn;
-	u64	tcpActiveOpens;
-	u64	tcpPassiveOpens;
-	u64	tcpAttemptFails;
-	u64	tcpEstabResets;
-	u64	tcpCurrEstab;
-	u64	tcpInSegs;
-	u64	tcpOutSegs;
-	u64	tcpRetransSegs;
-	u64	tcpInErrs;
-	u64	tcpOutRsts;
-};
-
-union rdma_protocol_stats {
-	struct ib_protocol_stats	ib;
-	struct iw_protocol_stats	iw;
-};
+/**
+ * struct rdma_hw_stats
+ * @timestamp - Used by the core code to track when the last update was
+ * @lifespan - Used by the core code to determine how old the counters
+ *   should be before being updated again.  Stored in jiffies, defaults
+ *   to 10 milliseconds, drivers can override the default be specifying
+ *   their own value during their allocation routine.
+ * @name - Array of pointers to static names used for the counters in
+ *   directory.
+ * @num_counters - How many hardware counters there are.  If name is
+ *   shorter than this number, a kernel oops will result.  Driver authors
+ *   are encouraged to leave BUILD_BUG_ON(ARRAY_SIZE(@name) < num_counters)
+ *   in their code to prevent this.
+ * @value - Array of u64 counters that are accessed by the sysfs code and
+ *   filled in by the drivers get_stats routine
+ */
+struct rdma_hw_stats {
+	unsigned long	timestamp;
+	unsigned long	lifespan;
+	const char * const *names;
+	int		num_counters;
+	u64		value[];
+};
+
+#define RDMA_HW_STATS_DEFAULT_LIFESPAN 10
+/**
+ * rdma_alloc_hw_stats_struct - Helper function to allocate dynamic struct
+ *   for drivers.
+ * @names - Array of static const char *
+ * @num_counters - How many elements in array
+ * @lifespan - How many milliseconds between updates
+ */
+static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
+		const char * const *names, int num_counters,
+		unsigned long lifespan)
+{
+	struct rdma_hw_stats *stats;
+
+	stats = kzalloc(sizeof(*stats) + num_counters * sizeof(u64),
+			GFP_KERNEL);
+	if (!stats)
+		return NULL;
+	stats->names = names;
+	stats->num_counters = num_counters;
+	stats->lifespan = msecs_to_jiffies(lifespan);
+
+	return stats;
+}
+
 
 /* Define bits for the various functionality this port needs to be supported by
  * the core.
@@ -1707,8 +1706,29 @@ struct ib_device {
 
 	struct iw_cm_verbs	     *iwcm;
 
-	int		           (*get_protocol_stats)(struct ib_device *device,
-							 union rdma_protocol_stats *stats);
+	/**
+	 * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the
+	 *   driver initialized data.  The struct is kfree()'ed by the sysfs
+	 *   core when the device is removed.  A lifespan of -1 in the return
+	 *   struct tells the core to set a default lifespan.
+	 */
+	struct rdma_hw_stats      *(*alloc_hw_stats)(struct ib_device *device,
+						     u8 port_num);
+	/**
+	 * get_hw_stats - Fill in the counter value(s) in the stats struct.
+	 * @index - The index in the value array we wish to have updated, or
+	 *   num_counters if we want all stats updated
+	 * Return codes -
+	 *   < 0 - Error, no counters updated
+	 *   index - Updated the single counter pointed to by index
+	 *   num_counters - Updated all counters (will reset the timestamp
+	 *     and prevent further calls for lifespan milliseconds)
+	 * Drivers are allowed to update all counters in leiu of just the
+	 *   one given in index at their option
+	 */
+	int		           (*get_hw_stats)(struct ib_device *device,
+						   struct rdma_hw_stats *stats,
+						   u8 port, int index);
 	int		           (*query_device)(struct ib_device *device,
 						   struct ib_device_attr *device_attr,
 						   struct ib_udata *udata);
@@ -1926,6 +1946,8 @@ struct ib_device {
 	u8                           node_type;
 	u8                           phys_port_cnt;
 	struct ib_device_attr        attrs;
+	struct attribute_group	     *hw_stats_ag;
+	struct rdma_hw_stats         *hw_stats;
 
 	/**
 	 * The following mandatory functions are used only at device
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index d57ceee90d26..16274e2133cd 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -149,15 +149,15 @@ struct rvt_driver_params {
 	int qpn_res_end;
 	int nports;
 	int npkeys;
-	u8 qos_shift;
 	char cq_name[RVT_CQN_MAX];
 	int node;
-	int max_rdma_atomic;
 	int psn_mask;
 	int psn_shift;
 	int psn_modify_mask;
 	u32 core_cap_flags;
 	u32 max_mad_size;
+	u8 qos_shift;
+	u8 max_rdma_atomic;
 };
 
 /* Protection domain */
@@ -426,6 +426,15 @@ static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi)
 }
 
 /*
+ * Return the max atomic suitable for determining
+ * the size of the ack ring buffer in a QP.
+ */
+static inline unsigned int rvt_max_atomic(struct rvt_dev_info *rdi)
+{
+	return rdi->dparms.max_rdma_atomic + 1;
+}
+
+/*
  * Return the indexed PKEY from the port PKEY table.
  */
 static inline u16 rvt_get_pkey(struct rvt_dev_info *rdi,
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index 0e1ff2abfe92..6d23b879416a 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -211,8 +211,6 @@ struct rvt_mmap_info {
 	unsigned size;
 };
 
-#define RVT_MAX_RDMA_ATOMIC	16
-
 /*
  * This structure holds the information that the send tasklet needs
  * to send a RDMA read response or atomic operation.
@@ -282,8 +280,7 @@ struct rvt_qp {
 	atomic_t refcount ____cacheline_aligned_in_smp;
 	wait_queue_head_t wait;
 
-	struct rvt_ack_entry s_ack_queue[RVT_MAX_RDMA_ATOMIC + 1]
-		____cacheline_aligned_in_smp;
+	struct rvt_ack_entry *s_ack_queue;
 	struct rvt_sge_state s_rdma_read_sge;
 
 	spinlock_t r_lock ____cacheline_aligned_in_smp;      /* used for APM */
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index c3371fa548cb..4ac24f5a3308 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -74,6 +74,7 @@ enum iscsit_transport_type {
 	ISCSI_IWARP_TCP				= 3,
 	ISCSI_IWARP_SCTP			= 4,
 	ISCSI_INFINIBAND			= 5,
+	ISCSI_CXGBIT				= 6,
 };
 
 /* RFC-3720 7.1.4  Standard Connection State Diagram for a Target */
@@ -890,4 +891,30 @@ static inline u32 session_get_next_ttt(struct iscsi_session *session)
 }
 
 extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t);
+
+static inline void iscsit_thread_check_cpumask(
+	struct iscsi_conn *conn,
+	struct task_struct *p,
+	int mode)
+{
+	/*
+	 * mode == 1 signals iscsi_target_tx_thread() usage.
+	 * mode == 0 signals iscsi_target_rx_thread() usage.
+	 */
+	if (mode == 1) {
+		if (!conn->conn_tx_reset_cpumask)
+			return;
+		conn->conn_tx_reset_cpumask = 0;
+	} else {
+		if (!conn->conn_rx_reset_cpumask)
+			return;
+		conn->conn_rx_reset_cpumask = 0;
+	}
+	/*
+	 * Update the CPU mask for this single kthread so that
+	 * both TX and RX kthreads are scheduled to run on the
+	 * same CPU.
+	 */
+	set_cpus_allowed_ptr(p, conn->conn_cpumask);
+}
 #endif /* ISCSI_TARGET_CORE_H */
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index 90e37faa2ede..40ac7cd80150 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -6,6 +6,7 @@ struct iscsit_transport {
 #define ISCSIT_TRANSPORT_NAME	16
 	char name[ISCSIT_TRANSPORT_NAME];
 	int transport_type;
+	bool rdma_shutdown;
 	int priv_size;
 	struct module *owner;
 	struct list_head t_node;
@@ -22,6 +23,13 @@ struct iscsit_transport {
 	int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *);
 	int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
 	void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *);
+	int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
+			       struct iscsi_datain_req *, const void *, u32);
+	void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
+	void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
+	int (*iscsit_validate_params)(struct iscsi_conn *);
+	void (*iscsit_get_r2t_ttt)(struct iscsi_conn *, struct iscsi_cmd *,
+				   struct iscsi_r2t *);
 	enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
 };
 
@@ -77,6 +85,18 @@ extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
 extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
 				struct iscsi_logout_rsp *);
 extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
+extern int iscsit_queue_rsp(struct iscsi_conn *, struct iscsi_cmd *);
+extern void iscsit_aborted_task(struct iscsi_conn *, struct iscsi_cmd *);
+extern int iscsit_add_reject(struct iscsi_conn *, u8, unsigned char *);
+extern int iscsit_reject_cmd(struct iscsi_cmd *, u8, unsigned char *);
+extern int iscsit_handle_snack(struct iscsi_conn *, unsigned char *);
+extern void iscsit_build_datain_pdu(struct iscsi_cmd *, struct iscsi_conn *,
+				    struct iscsi_datain *,
+				    struct iscsi_data_rsp *, bool);
+extern int iscsit_build_r2ts_for_cmd(struct iscsi_conn *, struct iscsi_cmd *,
+				     bool);
+extern int iscsit_immediate_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
+extern int iscsit_response_queue(struct iscsi_conn *, struct iscsi_cmd *, int);
 /*
  * From iscsi_target_device.c
  */
@@ -102,3 +122,24 @@ extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
 extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
 			       unsigned char *, __be32);
 extern void iscsit_release_cmd(struct iscsi_cmd *);
+extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
+extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *,
+					      struct iscsi_conn *, u8);
+
+/*
+ * From iscsi_target_nego.c
+ */
+extern int iscsi_target_check_login_request(struct iscsi_conn *,
+					    struct iscsi_login *);
+
+/*
+ * From iscsi_target_login.c
+ */
+extern __printf(2, 3) int iscsi_change_param_sprintf(
+	struct iscsi_conn *, const char *, ...);
+
+/*
+ * From iscsi_target_parameters.c
+ */
+extern struct iscsi_param *iscsi_find_param_from_key(
+	char *, struct iscsi_param_list *);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 3e0dd86360a2..b316b44d03f3 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -536,7 +536,6 @@ struct se_node_acl {
 	char			initiatorname[TRANSPORT_IQN_LEN];
 	/* Used to signal demo mode created ACL, disabled by default */
 	bool			dynamic_node_acl;
-	bool			acl_stop:1;
 	u32			queue_depth;
 	u32			acl_index;
 	enum target_prot_type	saved_prot_type;
@@ -603,7 +602,6 @@ struct se_session {
 	struct list_head	sess_cmd_list;
 	struct list_head	sess_wait_list;
 	spinlock_t		sess_cmd_lock;
-	struct kref		sess_kref;
 	void			*sess_cmd_map;
 	struct percpu_ida	sess_tag_pool;
 };
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 78d88f03b296..de44462a7680 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -50,10 +50,6 @@ struct target_core_fabric_ops {
 	 */
 	int (*check_stop_free)(struct se_cmd *);
 	void (*release_cmd)(struct se_cmd *);
-	/*
-	 * Called with spin_lock_bh(struct se_portal_group->session_lock held.
-	 */
-	int (*shutdown_session)(struct se_session *);
 	void (*close_session)(struct se_session *);
 	u32 (*sess_get_index)(struct se_session *);
 	/*
@@ -123,8 +119,6 @@ void	__transport_register_session(struct se_portal_group *,
 		struct se_node_acl *, struct se_session *, void *);
 void	transport_register_session(struct se_portal_group *,
 		struct se_node_acl *, struct se_session *, void *);
-int	target_get_session(struct se_session *);
-void	target_put_session(struct se_session *);
 ssize_t	target_show_dynamic_sessions(struct se_portal_group *, char *);
 void	transport_free_session(struct se_session *);
 void	target_put_nacl(struct se_node_acl *);
diff --git a/include/uapi/linux/nvme_ioctl.h b/include/uapi/linux/nvme_ioctl.h
index c4b2a3f90829..50ff21f748b6 100644
--- a/include/uapi/linux/nvme_ioctl.h
+++ b/include/uapi/linux/nvme_ioctl.h
@@ -61,5 +61,6 @@ struct nvme_passthru_cmd {
 #define NVME_IOCTL_IO_CMD	_IOWR('N', 0x43, 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)
 
 #endif /* _UAPI_LINUX_NVME_IOCTL_H */
diff --git a/include/uapi/rdma/hfi/hfi1_user.h b/include/uapi/rdma/hfi/hfi1_user.h
index a533cecab14f..98bebf8bef55 100644
--- a/include/uapi/rdma/hfi/hfi1_user.h
+++ b/include/uapi/rdma/hfi/hfi1_user.h
@@ -66,7 +66,7 @@
  * The major version changes when data structures change in an incompatible
  * way. The driver must be the same for initialization to succeed.
  */
-#define HFI1_USER_SWMAJOR 5
+#define HFI1_USER_SWMAJOR 6
 
 /*
  * Minor version differences are always compatible
@@ -75,7 +75,12 @@
  * may not be implemented; the user code must deal with this if it
  * cares, or it must abort after initialization reports the difference.
  */
-#define HFI1_USER_SWMINOR 0
+#define HFI1_USER_SWMINOR 1
+
+/*
+ * We will encode the major/minor inside a single 32bit version number.
+ */
+#define HFI1_SWMAJOR_SHIFT 16
 
 /*
  * Set of HW and driver capability/feature bits.
@@ -107,19 +112,6 @@
 #define HFI1_RCVHDR_ENTSIZE_16   (1UL << 1)
 #define HFI1_RCVDHR_ENTSIZE_32   (1UL << 2)
 
-/*
- * If the unit is specified via open, HFI choice is fixed.  If port is
- * specified, it's also fixed.  Otherwise we try to spread contexts
- * across ports and HFIs, using different algorithms.  WITHIN is
- * the old default, prior to this mechanism.
- */
-#define HFI1_ALG_ACROSS 0 /* round robin contexts across HFIs, then
-			  * ports; this is the default */
-#define HFI1_ALG_WITHIN 1 /* use all contexts on an HFI (round robin
-			  * active ports within), then next HFI */
-#define HFI1_ALG_COUNT  2 /* number of algorithm choices */
-
-
 /* User commands. */
 #define HFI1_CMD_ASSIGN_CTXT     1	/* allocate HFI and context */
 #define HFI1_CMD_CTXT_INFO       2	/* find out what resources we got */
@@ -127,7 +119,6 @@
 #define HFI1_CMD_TID_UPDATE      4	/* update expected TID entries */
 #define HFI1_CMD_TID_FREE        5	/* free expected TID entries */
 #define HFI1_CMD_CREDIT_UPD      6	/* force an update of PIO credit */
-#define HFI1_CMD_SDMA_STATUS_UPD 7      /* force update of SDMA status ring */
 
 #define HFI1_CMD_RECV_CTRL       8	/* control receipt of packets */
 #define HFI1_CMD_POLL_TYPE       9	/* set the kind of polling we want */
@@ -135,13 +126,46 @@
 #define HFI1_CMD_SET_PKEY        11     /* set context's pkey */
 #define HFI1_CMD_CTXT_RESET      12     /* reset context's HW send context */
 #define HFI1_CMD_TID_INVAL_READ  13     /* read TID cache invalidations */
-/* separate EPROM commands from normal PSM commands */
-#define HFI1_CMD_EP_INFO         64      /* read EPROM device ID */
-#define HFI1_CMD_EP_ERASE_CHIP   65      /* erase whole EPROM */
-/* range 66-74 no longer used */
-#define HFI1_CMD_EP_ERASE_RANGE  75      /* erase EPROM range */
-#define HFI1_CMD_EP_READ_RANGE   76      /* read EPROM range */
-#define HFI1_CMD_EP_WRITE_RANGE  77      /* write EPROM range */
+#define HFI1_CMD_GET_VERS	 14	/* get the version of the user cdev */
+
+/*
+ * User IOCTLs can not go above 128 if they do then see common.h and change the
+ * base for the snoop ioctl
+ */
+#define IB_IOCTL_MAGIC 0x1b /* See Documentation/ioctl/ioctl-number.txt */
+
+/*
+ * Make the ioctls occupy the last 0xf0-0xff portion of the IB range
+ */
+#define __NUM(cmd) (HFI1_CMD_##cmd + 0xe0)
+
+struct hfi1_cmd;
+#define HFI1_IOCTL_ASSIGN_CTXT \
+	_IOWR(IB_IOCTL_MAGIC, __NUM(ASSIGN_CTXT), struct hfi1_user_info)
+#define HFI1_IOCTL_CTXT_INFO \
+	_IOW(IB_IOCTL_MAGIC, __NUM(CTXT_INFO), struct hfi1_ctxt_info)
+#define HFI1_IOCTL_USER_INFO \
+	_IOW(IB_IOCTL_MAGIC, __NUM(USER_INFO), struct hfi1_base_info)
+#define HFI1_IOCTL_TID_UPDATE \
+	_IOWR(IB_IOCTL_MAGIC, __NUM(TID_UPDATE), struct hfi1_tid_info)
+#define HFI1_IOCTL_TID_FREE \
+	_IOWR(IB_IOCTL_MAGIC, __NUM(TID_FREE), struct hfi1_tid_info)
+#define HFI1_IOCTL_CREDIT_UPD \
+	_IO(IB_IOCTL_MAGIC, __NUM(CREDIT_UPD))
+#define HFI1_IOCTL_RECV_CTRL \
+	_IOW(IB_IOCTL_MAGIC, __NUM(RECV_CTRL), int)
+#define HFI1_IOCTL_POLL_TYPE \
+	_IOW(IB_IOCTL_MAGIC, __NUM(POLL_TYPE), int)
+#define HFI1_IOCTL_ACK_EVENT \
+	_IOW(IB_IOCTL_MAGIC, __NUM(ACK_EVENT), unsigned long)
+#define HFI1_IOCTL_SET_PKEY \
+	_IOW(IB_IOCTL_MAGIC, __NUM(SET_PKEY), __u16)
+#define HFI1_IOCTL_CTXT_RESET \
+	_IO(IB_IOCTL_MAGIC, __NUM(CTXT_RESET))
+#define HFI1_IOCTL_TID_INVAL_READ \
+	_IOWR(IB_IOCTL_MAGIC, __NUM(TID_INVAL_READ), struct hfi1_tid_info)
+#define HFI1_IOCTL_GET_VERS \
+	_IOR(IB_IOCTL_MAGIC, __NUM(GET_VERS), int)
 
 #define _HFI1_EVENT_FROZEN_BIT         0
 #define _HFI1_EVENT_LINKDOWN_BIT       1
@@ -199,9 +223,7 @@ struct hfi1_user_info {
 	 * Should be set to HFI1_USER_SWVERSION.
 	 */
 	__u32 userversion;
-	__u16 pad;
-	/* HFI selection algorithm, if unit has not selected */
-	__u16 hfi1_alg;
+	__u32 pad;
 	/*
 	 * If two or more processes wish to share a context, each process
 	 * must set the subcontext_cnt and subcontext_id to the same
@@ -243,12 +265,6 @@ struct hfi1_tid_info {
 	__u32 length;
 };
 
-struct hfi1_cmd {
-	__u32 type;        /* command type */
-	__u32 len;         /* length of struct pointed to by add */
-	__u64 addr;        /* pointer to user structure */
-};
-
 enum hfi1_sdma_comp_state {
 	FREE = 0,
 	QUEUED,
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index 6e373d151cad..02fe8390c18f 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -135,10 +135,12 @@ enum {
  * Local service operations:
  *   RESOLVE - The client requests the local service to resolve a path.
  *   SET_TIMEOUT - The local service requests the client to set the timeout.
+ *   IP_RESOLVE - The client requests the local service to resolve an IP to GID.
  */
 enum {
 	RDMA_NL_LS_OP_RESOLVE = 0,
 	RDMA_NL_LS_OP_SET_TIMEOUT,
+	RDMA_NL_LS_OP_IP_RESOLVE,
 	RDMA_NL_LS_NUM_OPS
 };
 
@@ -176,6 +178,10 @@ struct rdma_ls_resolve_header {
 	__u8 path_use;
 };
 
+struct rdma_ls_ip_resolve_header {
+	__u32 ifindex;
+};
+
 /* Local service attribute type */
 #define RDMA_NLA_F_MANDATORY	(1 << 13)
 #define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
@@ -193,6 +199,8 @@ struct rdma_ls_resolve_header {
  *   TCLASS          u8
  *   PKEY            u16                        cpu
  *   QOS_CLASS       u16                        cpu
+ *   IPV4            u32                        BE
+ *   IPV6            u8[16]                     BE
  */
 enum {
 	LS_NLA_TYPE_UNSPEC = 0,
@@ -204,6 +212,8 @@ enum {
 	LS_NLA_TYPE_TCLASS,
 	LS_NLA_TYPE_PKEY,
 	LS_NLA_TYPE_QOS_CLASS,
+	LS_NLA_TYPE_IPV4,
+	LS_NLA_TYPE_IPV6,
 	LS_NLA_TYPE_MAX
 };
 
diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h
index c4cc1e40b35c..e4701a3c6331 100644
--- a/include/uapi/sound/asoc.h
+++ b/include/uapi/sound/asoc.h
@@ -116,6 +116,14 @@
 #define SND_SOC_TPLG_STREAM_PLAYBACK	0
 #define SND_SOC_TPLG_STREAM_CAPTURE	1
 
+/* vendor tuple types */
+#define SND_SOC_TPLG_TUPLE_TYPE_UUID	0
+#define SND_SOC_TPLG_TUPLE_TYPE_STRING	1
+#define SND_SOC_TPLG_TUPLE_TYPE_BOOL	2
+#define SND_SOC_TPLG_TUPLE_TYPE_BYTE	3
+#define SND_SOC_TPLG_TUPLE_TYPE_WORD	4
+#define SND_SOC_TPLG_TUPLE_TYPE_SHORT	5
+
 /*
  * Block Header.
  * This header precedes all object and object arrays below.
@@ -132,6 +140,35 @@ struct snd_soc_tplg_hdr {
 	__le32 count;		/* number of elements in block */
 } __attribute__((packed));
 
+/* vendor tuple for uuid */
+struct snd_soc_tplg_vendor_uuid_elem {
+	__le32 token;
+	char uuid[16];
+} __attribute__((packed));
+
+/* vendor tuple for a bool/byte/short/word value */
+struct snd_soc_tplg_vendor_value_elem {
+	__le32 token;
+	__le32 value;
+} __attribute__((packed));
+
+/* vendor tuple for string */
+struct snd_soc_tplg_vendor_string_elem {
+	__le32 token;
+	char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+} __attribute__((packed));
+
+struct snd_soc_tplg_vendor_array {
+	__le32 size;	/* size in bytes of the array, including all elements */
+	__le32 type;	/* SND_SOC_TPLG_TUPLE_TYPE_ */
+	__le32 num_elems;	/* number of elements in array */
+	union {
+		struct snd_soc_tplg_vendor_uuid_elem uuid[0];
+		struct snd_soc_tplg_vendor_value_elem value[0];
+		struct snd_soc_tplg_vendor_string_elem string[0];
+	};
+} __attribute__((packed));
+
 /*
  * Private data.
  * All topology objects may have private data that can be used by the driver or
@@ -139,7 +176,10 @@ struct snd_soc_tplg_hdr {
  */
 struct snd_soc_tplg_private {
 	__le32 size;	/* in bytes of private data */
-	char data[0];
+	union {
+		char data[0];
+		struct snd_soc_tplg_vendor_array array[0];
+	};
 } __attribute__((packed));
 
 /*
@@ -383,7 +423,7 @@ struct snd_soc_tplg_pcm {
 	__le32 size;		/* in bytes of this structure */
 	char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 	char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
-	__le32 pcm_id;		/* unique ID - used to match */
+	__le32 pcm_id;		/* unique ID - used to match with DAI link */
 	__le32 dai_id;		/* unique ID - used to match */
 	__le32 playback;	/* supports playback mode */
 	__le32 capture;		/* supports capture mode */
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index ad66589f2ae6..3a2a79401789 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -16,6 +16,7 @@
 #include <linux/videodev2.h>
 #include <linux/bitmap.h>
 #include <linux/fb.h>
+#include <linux/of.h>
 #include <media/v4l2-mediabus.h>
 #include <video/videomode.h>
 
@@ -345,6 +346,7 @@ struct ipu_client_platformdata {
 	int dc;
 	int dp;
 	int dma[2];
+	struct device_node *of_node;
 };
 
 #endif /* __DRM_IPU_H__ */