diff options
Diffstat (limited to 'include/linux')
138 files changed, 2187 insertions, 1036 deletions
diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h index 1f16d502600c..6dfd51a04d77 100644 --- a/include/linux/ahci_platform.h +++ b/include/linux/ahci_platform.h @@ -44,6 +44,7 @@ struct ahci_host_priv *ahci_platform_get_resources( int ahci_platform_init_host(struct platform_device *pdev, struct ahci_host_priv *hpriv, const struct ata_port_info *pi_template, + unsigned long host_flags, unsigned int force_port_map, unsigned int mask_port_map); diff --git a/include/linux/amba/xilinx_dma.h b/include/linux/amba/xilinx_dma.h new file mode 100644 index 000000000000..34b98f276ed0 --- /dev/null +++ b/include/linux/amba/xilinx_dma.h @@ -0,0 +1,47 @@ +/* + * Xilinx DMA Engine drivers support header file + * + * Copyright (C) 2010-2014 Xilinx, Inc. All rights reserved. + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DMA_XILINX_DMA_H +#define __DMA_XILINX_DMA_H + +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> + +/** + * struct xilinx_vdma_config - VDMA Configuration structure + * @frm_dly: Frame delay + * @gen_lock: Whether in gen-lock mode + * @master: Master that it syncs to + * @frm_cnt_en: Enable frame count enable + * @park: Whether wants to park + * @park_frm: Frame to park on + * @coalesc: Interrupt coalescing threshold + * @delay: Delay counter + * @reset: Reset Channel + * @ext_fsync: External Frame Sync source + */ +struct xilinx_vdma_config { + int frm_dly; + int gen_lock; + int master; + int frm_cnt_en; + int park; + int park_frm; + int coalesc; + int delay; + int reset; + int ext_fsync; +}; + +int xilinx_vdma_channel_set_config(struct dma_chan *dchan, + struct xilinx_vdma_config *cfg); + +#endif diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h index 8598f8eacb20..a495a959e8a7 100644 --- a/include/linux/ath9k_platform.h +++ b/include/linux/ath9k_platform.h @@ -36,6 +36,8 @@ struct ath9k_platform_data { int (*get_mac_revision)(void); int (*external_reset)(void); + + bool use_eeprom; }; #endif /* _LINUX_ATH9K_PLATFORM_H */ diff --git a/include/linux/bio.h b/include/linux/bio.h index 5a645769f020..d2633ee099d9 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -186,6 +186,15 @@ static inline void *bio_data(struct bio *bio) #define BIOVEC_SEG_BOUNDARY(q, b1, b2) \ __BIO_SEG_BOUNDARY(bvec_to_phys((b1)), bvec_to_phys((b2)) + (b2)->bv_len, queue_segment_boundary((q))) +/* + * Check if adding a bio_vec after bprv with offset would create a gap in + * the SG list. Most drivers don't care about this, but some do. + */ +static inline bool bvec_gap_to_prev(struct bio_vec *bprv, unsigned int offset) +{ + return offset || ((bprv->bv_offset + bprv->bv_len) & (PAGE_SIZE - 1)); +} + #define bio_io_error(bio) bio_endio((bio), -EIO) /* @@ -644,10 +653,6 @@ struct biovec_slab { #if defined(CONFIG_BLK_DEV_INTEGRITY) - - -#define bip_vec_idx(bip, idx) (&(bip->bip_vec[(idx)])) - #define bip_for_each_vec(bvl, bip, iter) \ for_each_bvec(bvl, (bip)->bip_vec, iter, (bip)->bip_iter) diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 0feedebfde48..eb726b9c5762 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -42,7 +42,7 @@ struct blk_mq_hw_ctx { unsigned int nr_ctx; struct blk_mq_ctx **ctxs; - unsigned int wait_index; + atomic_t wait_index; struct blk_mq_tags *tags; @@ -135,7 +135,7 @@ enum { BLK_MQ_S_STOPPED = 0, BLK_MQ_S_TAG_ACTIVE = 1, - BLK_MQ_MAX_DEPTH = 2048, + BLK_MQ_MAX_DEPTH = 10240, BLK_MQ_CPU_WORK_BATCH = 8, }; diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index d8e4cea23a25..66c2167f04a9 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -5,8 +5,6 @@ #ifndef __LINUX_BLK_TYPES_H #define __LINUX_BLK_TYPES_H -#ifdef CONFIG_BLOCK - #include <linux/types.h> struct bio_set; @@ -28,6 +26,8 @@ struct bio_vec { unsigned int bv_offset; }; +#ifdef CONFIG_BLOCK + struct bvec_iter { sector_t bi_sector; /* device address in 512 byte sectors */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 3cd426e971db..8699bcf5f099 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -280,6 +280,7 @@ struct queue_limits { unsigned long seg_boundary_mask; unsigned int max_hw_sectors; + unsigned int chunk_sectors; unsigned int max_sectors; unsigned int max_segment_size; unsigned int physical_block_size; @@ -511,6 +512,7 @@ struct request_queue { #define QUEUE_FLAG_DEAD 19 /* queue tear-down finished */ #define QUEUE_FLAG_INIT_DONE 20 /* queue is initialized */ #define QUEUE_FLAG_NO_SG_MERGE 21 /* don't attempt to merge SG segments*/ +#define QUEUE_FLAG_SG_GAPS 22 /* queue doesn't support SG gaps */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -795,6 +797,7 @@ extern void __blk_put_request(struct request_queue *, struct request *); extern struct request *blk_get_request(struct request_queue *, int, gfp_t); extern struct request *blk_make_request(struct request_queue *, struct bio *, gfp_t); +extern void blk_rq_set_block_pc(struct request *); extern void blk_requeue_request(struct request_queue *, struct request *); extern void blk_add_request_payload(struct request *rq, struct page *page, unsigned int len); @@ -910,6 +913,20 @@ static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, return q->limits.max_sectors; } +/* + * Return maximum size of a request at given offset. Only valid for + * file system requests. + */ +static inline unsigned int blk_max_size_offset(struct request_queue *q, + sector_t offset) +{ + if (!q->limits.chunk_sectors) + return q->limits.max_sectors; + + return q->limits.chunk_sectors - + (offset & (q->limits.chunk_sectors - 1)); +} + static inline unsigned int blk_rq_get_max_sectors(struct request *rq) { struct request_queue *q = rq->q; @@ -917,7 +934,11 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq) if (unlikely(rq->cmd_type == REQ_TYPE_BLOCK_PC)) return q->limits.max_hw_sectors; - return blk_queue_get_max_sectors(q, rq->cmd_flags); + if (!q->limits.chunk_sectors) + return blk_queue_get_max_sectors(q, rq->cmd_flags); + + return min(blk_max_size_offset(q, blk_rq_pos(rq)), + blk_queue_get_max_sectors(q, rq->cmd_flags)); } static inline unsigned int blk_rq_count_bios(struct request *rq) @@ -983,6 +1004,7 @@ extern void blk_queue_make_request(struct request_queue *, make_request_fn *); extern void blk_queue_bounce_limit(struct request_queue *, u64); extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int); extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); +extern void blk_queue_chunk_sectors(struct request_queue *, unsigned int); extern void blk_queue_max_segments(struct request_queue *, unsigned short); extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); extern void blk_queue_max_discard_sectors(struct request_queue *q, diff --git a/include/linux/can/core.h b/include/linux/can/core.h index 78c6c52073ad..a0875001b13c 100644 --- a/include/linux/can/core.h +++ b/include/linux/can/core.h @@ -10,8 +10,8 @@ * */ -#ifndef CAN_CORE_H -#define CAN_CORE_H +#ifndef _CAN_CORE_H +#define _CAN_CORE_H #include <linux/can.h> #include <linux/skbuff.h> @@ -58,4 +58,4 @@ extern void can_rx_unregister(struct net_device *dev, canid_t can_id, extern int can_send(struct sk_buff *skb, int loop); extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); -#endif /* CAN_CORE_H */ +#endif /* !_CAN_CORE_H */ diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 3ce5e526525f..6992afc6ba7f 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -10,8 +10,8 @@ * */ -#ifndef CAN_DEV_H -#define CAN_DEV_H +#ifndef _CAN_DEV_H +#define _CAN_DEV_H #include <linux/can.h> #include <linux/can/netlink.h> @@ -132,4 +132,4 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, struct sk_buff *alloc_can_err_skb(struct net_device *dev, struct can_frame **cf); -#endif /* CAN_DEV_H */ +#endif /* !_CAN_DEV_H */ diff --git a/include/linux/can/led.h b/include/linux/can/led.h index 9c1167baf273..e0475c5cbb92 100644 --- a/include/linux/can/led.h +++ b/include/linux/can/led.h @@ -6,8 +6,8 @@ * published by the Free Software Foundation. */ -#ifndef CAN_LED_H -#define CAN_LED_H +#ifndef _CAN_LED_H +#define _CAN_LED_H #include <linux/if.h> #include <linux/leds.h> @@ -48,4 +48,4 @@ static inline void can_led_notifier_exit(void) #endif -#endif +#endif /* !_CAN_LED_H */ diff --git a/include/linux/can/platform/cc770.h b/include/linux/can/platform/cc770.h index 7702641f87ee..78b2d44f04cf 100644 --- a/include/linux/can/platform/cc770.h +++ b/include/linux/can/platform/cc770.h @@ -1,5 +1,5 @@ -#ifndef _CAN_PLATFORM_CC770_H_ -#define _CAN_PLATFORM_CC770_H_ +#ifndef _CAN_PLATFORM_CC770_H +#define _CAN_PLATFORM_CC770_H /* CPU Interface Register (0x02) */ #define CPUIF_CEN 0x01 /* Clock Out Enable */ @@ -30,4 +30,4 @@ struct cc770_platform_data { u8 bcr; /* Bus Configuration Register */ }; -#endif /* !_CAN_PLATFORM_CC770_H_ */ +#endif /* !_CAN_PLATFORM_CC770_H */ diff --git a/include/linux/can/platform/mcp251x.h b/include/linux/can/platform/mcp251x.h index dc029dba7a03..d44fcae274ff 100644 --- a/include/linux/can/platform/mcp251x.h +++ b/include/linux/can/platform/mcp251x.h @@ -1,5 +1,5 @@ -#ifndef __CAN_PLATFORM_MCP251X_H__ -#define __CAN_PLATFORM_MCP251X_H__ +#ifndef _CAN_PLATFORM_MCP251X_H +#define _CAN_PLATFORM_MCP251X_H /* * @@ -18,4 +18,4 @@ struct mcp251x_platform_data { unsigned long oscillator_frequency; }; -#endif /* __CAN_PLATFORM_MCP251X_H__ */ +#endif /* !_CAN_PLATFORM_MCP251X_H */ diff --git a/include/linux/can/platform/rcar_can.h b/include/linux/can/platform/rcar_can.h new file mode 100644 index 000000000000..0f4a2f3df504 --- /dev/null +++ b/include/linux/can/platform/rcar_can.h @@ -0,0 +1,17 @@ +#ifndef _CAN_PLATFORM_RCAR_CAN_H_ +#define _CAN_PLATFORM_RCAR_CAN_H_ + +#include <linux/types.h> + +/* Clock Select Register settings */ +enum CLKR { + CLKR_CLKP1 = 0, /* Peripheral clock (clkp1) */ + CLKR_CLKP2 = 1, /* Peripheral clock (clkp2) */ + CLKR_CLKEXT = 3 /* Externally input clock */ +}; + +struct rcar_can_platform_data { + enum CLKR clock_select; /* Clock source select */ +}; + +#endif /* !_CAN_PLATFORM_RCAR_CAN_H_ */ diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h index 96f8fcc78d78..93570b61ec6c 100644 --- a/include/linux/can/platform/sja1000.h +++ b/include/linux/can/platform/sja1000.h @@ -1,5 +1,5 @@ -#ifndef _CAN_PLATFORM_SJA1000_H_ -#define _CAN_PLATFORM_SJA1000_H_ +#ifndef _CAN_PLATFORM_SJA1000_H +#define _CAN_PLATFORM_SJA1000_H /* clock divider register */ #define CDR_CLKOUT_MASK 0x07 @@ -32,4 +32,4 @@ struct sja1000_platform_data { u8 cdr; /* clock divider register */ }; -#endif /* !_CAN_PLATFORM_SJA1000_H_ */ +#endif /* !_CAN_PLATFORM_SJA1000_H */ diff --git a/include/linux/can/platform/ti_hecc.h b/include/linux/can/platform/ti_hecc.h index af17cb3f7a84..a52f47ca6c8a 100644 --- a/include/linux/can/platform/ti_hecc.h +++ b/include/linux/can/platform/ti_hecc.h @@ -1,5 +1,5 @@ -#ifndef __CAN_PLATFORM_TI_HECC_H__ -#define __CAN_PLATFORM_TI_HECC_H__ +#ifndef _CAN_PLATFORM_TI_HECC_H +#define _CAN_PLATFORM_TI_HECC_H /* * TI HECC (High End CAN Controller) driver platform header @@ -41,4 +41,4 @@ struct ti_hecc_platform_data { u32 version; void (*transceiver_switch) (int); }; -#endif +#endif /* !_CAN_PLATFORM_TI_HECC_H */ diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index f9bbbb472663..cc00d15c6107 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -7,8 +7,8 @@ * */ -#ifndef CAN_SKB_H -#define CAN_SKB_H +#ifndef _CAN_SKB_H +#define _CAN_SKB_H #include <linux/types.h> #include <linux/skbuff.h> @@ -80,4 +80,4 @@ static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb) return skb; } -#endif /* CAN_SKB_H */ +#endif /* !_CAN_SKB_H */ diff --git a/include/linux/capability.h b/include/linux/capability.h index a6ee1f9a5018..84b13ad67c1c 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -210,7 +210,7 @@ extern bool has_ns_capability_noaudit(struct task_struct *t, struct user_namespace *ns, int cap); extern bool capable(int cap); extern bool ns_capable(struct user_namespace *ns, int cap); -extern bool inode_capable(const struct inode *inode, int cap); +extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap); extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); /* audit system wants to get cap info from files as well */ diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h index 5f6db18d72e8..3c97d5e9b951 100644 --- a/include/linux/ceph/ceph_fs.h +++ b/include/linux/ceph/ceph_fs.h @@ -625,6 +625,8 @@ int ceph_flags_to_mode(int flags); CEPH_CAP_LINK_EXCL | \ CEPH_CAP_XATTR_EXCL | \ CEPH_CAP_FILE_EXCL) +#define CEPH_CAP_ANY_FILE_RD (CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE | \ + CEPH_CAP_FILE_SHARED) #define CEPH_CAP_ANY_FILE_WR (CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER | \ CEPH_CAP_FILE_EXCL) #define CEPH_CAP_ANY_WR (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR) diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 2f49aa4c4f7f..279b0afac1c1 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -222,8 +222,6 @@ extern void ceph_copy_to_page_vector(struct page **pages, extern void ceph_copy_from_page_vector(struct page **pages, void *data, loff_t off, size_t len); -extern int ceph_copy_page_vector_to_user(struct page **pages, void __user *data, - loff_t off, size_t len); extern void ceph_zero_page_vector_range(int off, int len, struct page **pages); diff --git a/include/linux/ceph/mon_client.h b/include/linux/ceph/mon_client.h index a486f390dfbe..deb47e45ac7c 100644 --- a/include/linux/ceph/mon_client.h +++ b/include/linux/ceph/mon_client.h @@ -40,9 +40,9 @@ struct ceph_mon_request { }; /* - * ceph_mon_generic_request is being used for the statfs and poolop requests - * which are bening done a bit differently because we need to get data back - * to the caller + * ceph_mon_generic_request is being used for the statfs, poolop and + * mon_get_version requests which are being done a bit differently + * because we need to get data back to the caller */ struct ceph_mon_generic_request { struct kref kref; @@ -104,10 +104,15 @@ extern int ceph_monc_got_mdsmap(struct ceph_mon_client *monc, u32 have); extern int ceph_monc_got_osdmap(struct ceph_mon_client *monc, u32 have); extern void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc); +extern int ceph_monc_wait_osdmap(struct ceph_mon_client *monc, u32 epoch, + unsigned long timeout); extern int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf); +extern int ceph_monc_do_get_version(struct ceph_mon_client *monc, + const char *what, u64 *newest); + extern int ceph_monc_open_session(struct ceph_mon_client *monc); extern int ceph_monc_validate_auth(struct ceph_mon_client *monc); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index d60904b9e505..8a111dd42d7a 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -21,6 +21,7 @@ #include <linux/percpu-refcount.h> #include <linux/seq_file.h> #include <linux/kernfs.h> +#include <linux/wait.h> #ifdef CONFIG_CGROUPS @@ -47,21 +48,45 @@ enum cgroup_subsys_id { }; #undef SUBSYS -/* Per-subsystem/per-cgroup state maintained by the system. */ +/* + * Per-subsystem/per-cgroup state maintained by the system. This is the + * fundamental structural building block that controllers deal with. + * + * Fields marked with "PI:" are public and immutable and may be accessed + * directly without synchronization. + */ struct cgroup_subsys_state { - /* the cgroup that this css is attached to */ + /* PI: the cgroup that this css is attached to */ struct cgroup *cgroup; - /* the cgroup subsystem that this css is attached to */ + /* PI: the cgroup subsystem that this css is attached to */ struct cgroup_subsys *ss; /* reference count - access via css_[try]get() and css_put() */ struct percpu_ref refcnt; - /* the parent css */ + /* PI: the parent css */ struct cgroup_subsys_state *parent; - unsigned long flags; + /* siblings list anchored at the parent's ->children */ + struct list_head sibling; + struct list_head children; + + /* + * PI: Subsys-unique ID. 0 is unused and root is always 1. The + * matching css can be looked up using css_from_id(). + */ + int id; + + unsigned int flags; + + /* + * Monotonically increasing unique serial number which defines a + * uniform order among all csses. It's guaranteed that all + * ->children lists are in the ascending order of ->serial_nr and + * used to allow interrupting and resuming iterations. + */ + u64 serial_nr; /* percpu_ref killing and RCU release */ struct rcu_head rcu_head; @@ -70,8 +95,9 @@ struct cgroup_subsys_state { /* bits in struct cgroup_subsys_state flags field */ enum { - CSS_ROOT = (1 << 0), /* this CSS is the root of the subsystem */ + CSS_NO_REF = (1 << 0), /* no reference counting for this css */ CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */ + CSS_RELEASED = (1 << 2), /* refcnt reached zero, released */ }; /** @@ -82,8 +108,7 @@ enum { */ static inline void css_get(struct cgroup_subsys_state *css) { - /* We don't need to reference count the root state */ - if (!(css->flags & CSS_ROOT)) + if (!(css->flags & CSS_NO_REF)) percpu_ref_get(&css->refcnt); } @@ -91,35 +116,51 @@ static inline void css_get(struct cgroup_subsys_state *css) * css_tryget - try to obtain a reference on the specified css * @css: target css * - * Obtain a reference on @css if it's alive. The caller naturally needs to - * ensure that @css is accessible but doesn't have to be holding a + * Obtain a reference on @css unless it already has reached zero and is + * being released. This function doesn't care whether @css is on or + * offline. The caller naturally needs to ensure that @css is accessible + * but doesn't have to be holding a reference on it - IOW, RCU protected + * access is good enough for this function. Returns %true if a reference + * count was successfully obtained; %false otherwise. + */ +static inline bool css_tryget(struct cgroup_subsys_state *css) +{ + if (!(css->flags & CSS_NO_REF)) + return percpu_ref_tryget(&css->refcnt); + return true; +} + +/** + * css_tryget_online - try to obtain a reference on the specified css if online + * @css: target css + * + * Obtain a reference on @css if it's online. The caller naturally needs + * to ensure that @css is accessible but doesn't have to be holding a * reference on it - IOW, RCU protected access is good enough for this * function. Returns %true if a reference count was successfully obtained; * %false otherwise. */ -static inline bool css_tryget(struct cgroup_subsys_state *css) +static inline bool css_tryget_online(struct cgroup_subsys_state *css) { - if (css->flags & CSS_ROOT) - return true; - return percpu_ref_tryget(&css->refcnt); + if (!(css->flags & CSS_NO_REF)) + return percpu_ref_tryget_live(&css->refcnt); + return true; } /** * css_put - put a css reference * @css: target css * - * Put a reference obtained via css_get() and css_tryget(). + * Put a reference obtained via css_get() and css_tryget_online(). */ static inline void css_put(struct cgroup_subsys_state *css) { - if (!(css->flags & CSS_ROOT)) + if (!(css->flags & CSS_NO_REF)) percpu_ref_put(&css->refcnt); } /* bits in struct cgroup flags field */ enum { - /* Control Group is dead */ - CGRP_DEAD, /* * Control Group has previously had a child cgroup or a task, * but no longer (only if CGRP_NOTIFY_ON_RELEASE is set) @@ -133,48 +174,37 @@ enum { * specified at mount time and thus is implemented here. */ CGRP_CPUSET_CLONE_CHILDREN, - /* see the comment above CGRP_ROOT_SANE_BEHAVIOR for details */ - CGRP_SANE_BEHAVIOR, }; struct cgroup { + /* self css with NULL ->ss, points back to this cgroup */ + struct cgroup_subsys_state self; + unsigned long flags; /* "unsigned long" so bitops work */ /* * idr allocated in-hierarchy ID. * - * The ID of the root cgroup is always 0, and a new cgroup - * will be assigned with a smallest available ID. + * ID 0 is not used, the ID of the root cgroup is always 1, and a + * new cgroup will be assigned with a smallest available ID. * * Allocating/Removing ID must be protected by cgroup_mutex. */ int id; - /* the number of attached css's */ - int nr_css; - - atomic_t refcnt; - /* - * We link our 'sibling' struct into our parent's 'children'. - * Our children link their 'sibling' into our 'children'. + * If this cgroup contains any tasks, it contributes one to + * populated_cnt. All children with non-zero popuplated_cnt of + * their own contribute one. The count is zero iff there's no task + * in this cgroup or its subtree. */ - struct list_head sibling; /* my parent's children */ - struct list_head children; /* my children */ + int populated_cnt; - struct cgroup *parent; /* my parent */ struct kernfs_node *kn; /* cgroup kernfs entry */ + struct kernfs_node *populated_kn; /* kn for "cgroup.subtree_populated" */ - /* - * Monotonically increasing unique serial number which defines a - * uniform order among all cgroups. It's guaranteed that all - * ->children lists are in the ascending order of ->serial_nr. - * It's used to allow interrupting and resuming iterations. - */ - u64 serial_nr; - - /* The bitmask of subsystems attached to this cgroup */ - unsigned long subsys_mask; + /* the bitmask of subsystems enabled on the child cgroups */ + unsigned int child_subsys_mask; /* Private pointers for each registered subsystem */ struct cgroup_subsys_state __rcu *subsys[CGROUP_SUBSYS_COUNT]; @@ -188,6 +218,15 @@ struct cgroup { struct list_head cset_links; /* + * On the default hierarchy, a css_set for a cgroup with some + * susbsys disabled will point to css's which are associated with + * the closest ancestor which has the subsys enabled. The + * following lists all css_sets which point to this cgroup's css + * for the given subsystem. + */ + struct list_head e_csets[CGROUP_SUBSYS_COUNT]; + + /* * Linked list running through all cgroups that can * potentially be reaped by the release agent. Protected by * release_list_lock @@ -201,12 +240,8 @@ struct cgroup { struct list_head pidlists; struct mutex pidlist_mutex; - /* dummy css with NULL ->ss, points back to this cgroup */ - struct cgroup_subsys_state dummy_css; - - /* For css percpu_ref killing and RCU-protected deletion */ - struct rcu_head rcu_head; - struct work_struct destroy_work; + /* used to wait for offlining of csses */ + wait_queue_head_t offline_waitq; }; #define MAX_CGROUP_ROOT_NAMELEN 64 @@ -250,6 +285,12 @@ enum { * * - "cgroup.clone_children" is removed. * + * - "cgroup.subtree_populated" is available. Its value is 0 if + * the cgroup and its descendants contain no task; otherwise, 1. + * The file also generates kernfs notification which can be + * monitored through poll and [di]notify when the value of the + * file changes. + * * - If mount is requested with sane_behavior but without any * subsystem, the default unified hierarchy is mounted. * @@ -264,6 +305,8 @@ enum { * the flag is not created. * * - blkcg: blk-throttle becomes properly hierarchical. + * + * - debug: disallowed on the default hierarchy. */ CGRP_ROOT_SANE_BEHAVIOR = (1 << 0), @@ -282,6 +325,9 @@ enum { struct cgroup_root { struct kernfs_root *kf_root; + /* The bitmask of subsystems attached to this hierarchy */ + unsigned int subsys_mask; + /* Unique id for this hierarchy. */ int hierarchy_id; @@ -295,7 +341,7 @@ struct cgroup_root { struct list_head root_list; /* Hierarchy-specific flags */ - unsigned long flags; + unsigned int flags; /* IDs for cgroups in this hierarchy */ struct idr cgroup_idr; @@ -342,6 +388,9 @@ struct css_set { */ struct list_head cgrp_links; + /* the default cgroup associated with this css_set */ + struct cgroup *dfl_cgrp; + /* * Set of subsystem states, one for each subsystem. This array is * immutable after creation apart from the init_css_set during @@ -366,6 +415,15 @@ struct css_set { struct cgroup *mg_src_cgrp; struct css_set *mg_dst_cset; + /* + * On the default hierarhcy, ->subsys[ssid] may point to a css + * attached to an ancestor instead of the cgroup this css_set is + * associated with. The following node is anchored at + * ->subsys[ssid]->cgroup->e_csets[ssid] and provides a way to + * iterate through all css's attached to a given cgroup. + */ + struct list_head e_cset_node[CGROUP_SUBSYS_COUNT]; + /* For RCU-protected deletion */ struct rcu_head rcu_head; }; @@ -405,8 +463,7 @@ struct cftype { /* * The maximum length of string, excluding trailing nul, that can - * be passed to write_string. If < PAGE_SIZE-1, PAGE_SIZE-1 is - * assumed. + * be passed to write. If < PAGE_SIZE-1, PAGE_SIZE-1 is assumed. */ size_t max_write_len; @@ -453,19 +510,13 @@ struct cftype { s64 val); /* - * write_string() is passed a nul-terminated kernelspace - * buffer of maximum length determined by max_write_len. - * Returns 0 or -ve error code. - */ - int (*write_string)(struct cgroup_subsys_state *css, struct cftype *cft, - char *buffer); - /* - * trigger() callback can be used to get some kick from the - * userspace, when the actual string written is not important - * at all. The private field can be used to determine the - * kick type for multiplexing. + * write() is the generic write callback which maps directly to + * kernfs write operation and overrides all other operations. + * Maximum write size is determined by ->max_write_len. Use + * of_css/cft() to access the associated css and cft. */ - int (*trigger)(struct cgroup_subsys_state *css, unsigned int event); + ssize_t (*write)(struct kernfs_open_file *of, + char *buf, size_t nbytes, loff_t off); #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lock_class_key lockdep_key; @@ -504,14 +555,24 @@ static inline ino_t cgroup_ino(struct cgroup *cgrp) return 0; } -static inline struct cftype *seq_cft(struct seq_file *seq) +/* cft/css accessors for cftype->write() operation */ +static inline struct cftype *of_cft(struct kernfs_open_file *of) { - struct kernfs_open_file *of = seq->private; - return of->kn->priv; } -struct cgroup_subsys_state *seq_css(struct seq_file *seq); +struct cgroup_subsys_state *of_css(struct kernfs_open_file *of); + +/* cft/css accessors for cftype->seq_*() operations */ +static inline struct cftype *seq_cft(struct seq_file *seq) +{ + return of_cft(seq->private); +} + +static inline struct cgroup_subsys_state *seq_css(struct seq_file *seq) +{ + return of_css(seq->private); +} /* * Name / path handling functions. All are thin wrappers around the kernfs @@ -612,6 +673,9 @@ struct cgroup_subsys { /* link to parent, protected by cgroup_lock() */ struct cgroup_root *root; + /* idr for css->id */ + struct idr css_idr; + /* * List of cftypes. Each entry is the first entry of an array * terminated by zero length name. @@ -627,19 +691,6 @@ struct cgroup_subsys { #undef SUBSYS /** - * css_parent - find the parent css - * @css: the target cgroup_subsys_state - * - * Return the parent css of @css. This function is guaranteed to return - * non-NULL parent as long as @css isn't the root. - */ -static inline -struct cgroup_subsys_state *css_parent(struct cgroup_subsys_state *css) -{ - return css->parent; -} - -/** * task_css_set_check - obtain a task's css_set with extra access conditions * @task: the task to obtain css_set for * @__c: extra condition expression to be passed to rcu_dereference_check() @@ -731,14 +782,14 @@ struct cgroup_subsys_state *css_from_id(int id, struct cgroup_subsys *ss); * @pos: the css * to use as the loop cursor * @parent: css whose children to walk * - * Walk @parent's children. Must be called under rcu_read_lock(). A child - * css which hasn't finished ->css_online() or already has finished - * ->css_offline() may show up during traversal and it's each subsystem's - * responsibility to verify that each @pos is alive. + * Walk @parent's children. Must be called under rcu_read_lock(). * - * If a subsystem synchronizes against the parent in its ->css_online() and - * before starting iterating, a css which finished ->css_online() is - * guaranteed to be visible in the future iterations. + * If a subsystem synchronizes ->css_online() and the start of iteration, a + * css which finished ->css_online() is guaranteed to be visible in the + * future iterations and will stay visible until the last reference is put. + * A css which hasn't finished ->css_online() or already finished + * ->css_offline() may show up during traversal. It's each subsystem's + * responsibility to synchronize against on/offlining. * * It is allowed to temporarily drop RCU read lock during iteration. The * caller is responsible for ensuring that @pos remains accessible until @@ -761,17 +812,16 @@ css_rightmost_descendant(struct cgroup_subsys_state *pos); * @root: css whose descendants to walk * * Walk @root's descendants. @root is included in the iteration and the - * first node to be visited. Must be called under rcu_read_lock(). A - * descendant css which hasn't finished ->css_online() or already has - * finished ->css_offline() may show up during traversal and it's each - * subsystem's responsibility to verify that each @pos is alive. + * first node to be visited. Must be called under rcu_read_lock(). * - * If a subsystem synchronizes against the parent in its ->css_online() and - * before starting iterating, and synchronizes against @pos on each - * iteration, any descendant css which finished ->css_online() is - * guaranteed to be visible in the future iterations. + * If a subsystem synchronizes ->css_online() and the start of iteration, a + * css which finished ->css_online() is guaranteed to be visible in the + * future iterations and will stay visible until the last reference is put. + * A css which hasn't finished ->css_online() or already finished + * ->css_offline() may show up during traversal. It's each subsystem's + * responsibility to synchronize against on/offlining. * - * In other words, the following guarantees that a descendant can't escape + * For example, the following guarantees that a descendant can't escape * state updates of its ancestors. * * my_online(@css) @@ -827,18 +877,34 @@ css_next_descendant_post(struct cgroup_subsys_state *pos, * * Similar to css_for_each_descendant_pre() but performs post-order * traversal instead. @root is included in the iteration and the last - * node to be visited. Note that the walk visibility guarantee described - * in pre-order walk doesn't apply the same to post-order walks. + * node to be visited. + * + * If a subsystem synchronizes ->css_online() and the start of iteration, a + * css which finished ->css_online() is guaranteed to be visible in the + * future iterations and will stay visible until the last reference is put. + * A css which hasn't finished ->css_online() or already finished + * ->css_offline() may show up during traversal. It's each subsystem's + * responsibility to synchronize against on/offlining. + * + * Note that the walk visibility guarantee example described in pre-order + * walk doesn't apply the same to post-order walks. */ #define css_for_each_descendant_post(pos, css) \ for ((pos) = css_next_descendant_post(NULL, (css)); (pos); \ (pos) = css_next_descendant_post((pos), (css))) +bool css_has_online_children(struct cgroup_subsys_state *css); + /* A css_task_iter should be treated as an opaque object */ struct css_task_iter { - struct cgroup_subsys_state *origin_css; - struct list_head *cset_link; - struct list_head *task; + struct cgroup_subsys *ss; + + struct list_head *cset_pos; + struct list_head *cset_head; + + struct list_head *task_pos; + struct list_head *tasks_head; + struct list_head *mg_tasks_head; }; void css_task_iter_start(struct cgroup_subsys_state *css, @@ -849,8 +915,8 @@ void css_task_iter_end(struct css_task_iter *it); int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); -struct cgroup_subsys_state *css_tryget_from_dir(struct dentry *dentry, - struct cgroup_subsys *ss); +struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry, + struct cgroup_subsys *ss); #else /* !CONFIG_CGROUPS */ diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index 768fe44e19f0..98c4f9b12b03 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -7,10 +7,6 @@ SUBSYS(cpuset) #endif -#if IS_ENABLED(CONFIG_CGROUP_DEBUG) -SUBSYS(debug) -#endif - #if IS_ENABLED(CONFIG_CGROUP_SCHED) SUBSYS(cpu) #endif @@ -50,6 +46,13 @@ SUBSYS(net_prio) #if IS_ENABLED(CONFIG_CGROUP_HUGETLB) SUBSYS(hugetlb) #endif + +/* + * The following subsystems are not supported on the default hierarchy. + */ +#if IS_ENABLED(CONFIG_CGROUP_DEBUG) +SUBSYS(debug) +#endif /* * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS. */ diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index 4a21a872dbbd..e8d8a35034a5 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -41,6 +41,8 @@ * @idlest_reg: register containing the DPLL idle status bitfield * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg + * @dcc_mask: mask of the DPLL DCC correction bitfield @mult_div1_reg + * @dcc_rate: rate atleast which DCC @dcc_mask must be set * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg * @lpmode_mask: mask of the DPLL low-power mode bitfield in @control_reg * @m4xen_mask: mask of the DPLL M4X multiplier bitfield in @control_reg @@ -86,6 +88,8 @@ struct dpll_data { u32 idlest_mask; u32 dco_mask; u32 sddiv_mask; + u32 dcc_mask; + unsigned long dcc_rate; u32 lpmode_mask; u32 m4xen_mask; u8 auto_recal_bit; @@ -94,7 +98,26 @@ struct dpll_data { u8 flags; }; -struct clk_hw_omap_ops; +struct clk_hw_omap; + +/** + * struct clk_hw_omap_ops - OMAP clk ops + * @find_idlest: find idlest register information for a clock + * @find_companion: find companion clock register information for a clock, + * basically converts CM_ICLKEN* <-> CM_FCLKEN* + * @allow_idle: enables autoidle hardware functionality for a clock + * @deny_idle: prevent autoidle hardware functionality for a clock + */ +struct clk_hw_omap_ops { + void (*find_idlest)(struct clk_hw_omap *oclk, + void __iomem **idlest_reg, + u8 *idlest_bit, u8 *idlest_val); + void (*find_companion)(struct clk_hw_omap *oclk, + void __iomem **other_reg, + u8 *other_bit); + void (*allow_idle)(struct clk_hw_omap *oclk); + void (*deny_idle)(struct clk_hw_omap *oclk); +}; /** * struct clk_hw_omap - OMAP struct clk @@ -259,6 +282,12 @@ int omap2_dflt_clk_enable(struct clk_hw *hw); void omap2_dflt_clk_disable(struct clk_hw *hw); int omap2_dflt_clk_is_enabled(struct clk_hw *hw); void omap3_clk_lock_dpll5(void); +unsigned long omap2_dpllcore_recalc(struct clk_hw *hw, + unsigned long parent_rate); +int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate, + unsigned long parent_rate); +void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw); +void omap2xxx_clkt_vps_init(void); void __iomem *ti_clk_get_reg_addr(struct device_node *node, int index); void ti_dt_clocks_register(struct ti_dt_clk *oclks); @@ -278,6 +307,8 @@ int omap5xxx_dt_clk_init(void); int dra7xx_dt_clk_init(void); int am33xx_dt_clk_init(void); int am43xx_dt_clk_init(void); +int omap2420_dt_clk_init(void); +int omap2430_dt_clk_init(void); #ifdef CONFIG_OF void of_ti_clk_allow_autoidle_all(void); @@ -287,6 +318,8 @@ static inline void of_ti_clk_allow_autoidle_all(void) { } static inline void of_ti_clk_deny_autoidle_all(void) { } #endif +extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll; +extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait; extern const struct clk_hw_omap_ops clkhwops_omap3_dpll; extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx; extern const struct clk_hw_omap_ops clkhwops_wait; diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 64fdfe1cfcf0..d5ad7b1118fc 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -383,7 +383,9 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); /* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */ #ifdef CONFIG_KPROBES # define __kprobes __attribute__((__section__(".kprobes.text"))) +# define nokprobe_inline __always_inline #else # define __kprobes +# define nokprobe_inline inline #endif #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 3f458896d45c..ec4112d257bc 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -75,6 +75,7 @@ struct cpufreq_policy { unsigned int max; /* in kHz */ unsigned int cur; /* in kHz, only needed if cpufreq * governors are used */ + unsigned int restore_freq; /* = policy->cur before transition */ unsigned int suspend_freq; /* freq to set during suspend */ unsigned int policy; /* see above */ @@ -221,11 +222,35 @@ struct cpufreq_driver { /* define one out of two */ int (*setpolicy) (struct cpufreq_policy *policy); + + /* + * On failure, should always restore frequency to policy->restore_freq + * (i.e. old freq). + */ int (*target) (struct cpufreq_policy *policy, /* Deprecated */ unsigned int target_freq, unsigned int relation); int (*target_index) (struct cpufreq_policy *policy, unsigned int index); + /* + * Only for drivers with target_index() and CPUFREQ_ASYNC_NOTIFICATION + * unset. + * + * get_intermediate should return a stable intermediate frequency + * platform wants to switch to and target_intermediate() should set CPU + * to to that frequency, before jumping to the frequency corresponding + * to 'index'. Core will take care of sending notifications and driver + * doesn't have to handle them in target_intermediate() or + * target_index(). + * + * Drivers can return '0' from get_intermediate() in case they don't + * wish to switch to intermediate frequency for some target frequency. + * In that case core will directly call ->target_index(). + */ + unsigned int (*get_intermediate)(struct cpufreq_policy *policy, + unsigned int index); + int (*target_intermediate)(struct cpufreq_policy *policy, + unsigned int index); /* should be defined, if possible */ unsigned int (*get) (unsigned int cpu); diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index c51a436135c4..25e0df6155a4 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -84,6 +84,7 @@ struct cpuidle_device { }; DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices); +DECLARE_PER_CPU(struct cpuidle_device, cpuidle_dev); /** * cpuidle_get_last_residency - retrieves the last state's residency time diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index d08e4d2a9b92..2997af6d2ccd 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -142,6 +142,13 @@ static inline unsigned int cpumask_any_but(const struct cpumask *mask, return 1; } +static inline int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp) +{ + set_bit(0, cpumask_bits(dstp)); + + return 0; +} + #define for_each_cpu(cpu, mask) \ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask) #define for_each_cpu_not(cpu, mask) \ @@ -192,6 +199,7 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); int cpumask_any_but(const struct cpumask *mask, unsigned int cpu); +int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp); /** * for_each_cpu - iterate over every cpu in a mask @@ -600,7 +608,7 @@ static inline int cpulist_scnprintf(char *buf, int len, static inline int cpumask_parse(const char *buf, struct cpumask *dstp) { char *nl = strchr(buf, '\n'); - int len = nl ? nl - buf : strlen(buf); + unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf); return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits); } diff --git a/include/linux/crc7.h b/include/linux/crc7.h index 1786e772d5c6..d590765106f3 100644 --- a/include/linux/crc7.h +++ b/include/linux/crc7.h @@ -2,13 +2,13 @@ #define _LINUX_CRC7_H #include <linux/types.h> -extern const u8 crc7_syndrome_table[256]; +extern const u8 crc7_be_syndrome_table[256]; -static inline u8 crc7_byte(u8 crc, u8 data) +static inline u8 crc7_be_byte(u8 crc, u8 data) { - return crc7_syndrome_table[(crc << 1) ^ data]; + return crc7_be_syndrome_table[crc ^ data]; } -extern u8 crc7(u8 crc, const u8 *buffer, size_t len); +extern u8 crc7_be(u8 crc, const u8 *buffer, size_t len); #endif diff --git a/include/linux/dell-led.h b/include/linux/dell-led.h new file mode 100644 index 000000000000..7009b8bec77b --- /dev/null +++ b/include/linux/dell-led.h @@ -0,0 +1,10 @@ +#ifndef __DELL_LED_H__ +#define __DELL_LED_H__ + +enum { + DELL_LED_MICMUTE, +}; + +int dell_app_wmi_led_set(int whichled, int on); + +#endif diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 63da56ed9796..e1707de043ae 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -115,12 +115,6 @@ typedef int (*dm_busy_fn) (struct dm_target *ti); void dm_error(const char *message); -/* - * Combine device limits. - */ -int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data); - struct dm_dev { struct block_device *bdev; fmode_t mode; @@ -132,7 +126,7 @@ struct dm_dev { * are opened/closed correctly. */ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, - struct dm_dev **result); + struct dm_dev **result); void dm_put_device(struct dm_target *ti, struct dm_dev *d); /* @@ -291,6 +285,7 @@ struct dm_target_io { struct dm_io *io; struct dm_target *ti; unsigned target_bio_nr; + unsigned *len_ptr; struct bio clone; }; @@ -401,6 +396,7 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid); struct gendisk *dm_disk(struct mapped_device *md); int dm_suspended(struct dm_target *ti); int dm_noflush_suspending(struct dm_target *ti); +void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors); union map_info *dm_get_rq_mapinfo(struct request *rq); struct queue_limits *dm_get_queue_limits(struct mapped_device *md); diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 72cb0ddb9678..d2c5cc7c583c 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -292,7 +292,7 @@ struct dma_chan_dev { }; /** - * enum dma_slave_buswidth - defines bus with of the DMA slave + * enum dma_slave_buswidth - defines bus width of the DMA slave * device, source or target buses */ enum dma_slave_buswidth { diff --git a/include/linux/elevator.h b/include/linux/elevator.h index df63bd3a8cf1..45a91474487d 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -133,7 +133,6 @@ extern struct request *elv_latter_request(struct request_queue *, struct request extern int elv_register_queue(struct request_queue *q); extern void elv_unregister_queue(struct request_queue *q); extern int elv_may_queue(struct request_queue *, int); -extern void elv_abort_queue(struct request_queue *); extern void elv_completed_request(struct request_queue *, struct request *); extern int elv_set_request(struct request_queue *q, struct request *rq, struct bio *bio, gfp_t gfp_mask); diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 0a114d05f68d..e658229fee39 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -154,13 +154,20 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) * @reset: Reset (part of) the device, as specified by a bitmask of * flags from &enum ethtool_reset_flags. Returns a negative * error code or zero. + * @get_rxfh_key_size: Get the size of the RX flow hash key. + * Returns zero if not supported for this specific device. * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table. * Returns zero if not supported for this specific device. - * @get_rxfh_indir: Get the contents of the RX flow hash indirection table. - * Will not be called if @get_rxfh_indir_size returns zero. + * @get_rxfh: Get the contents of the RX flow hash indirection table and hash + * key. + * Will only be called if one or both of @get_rxfh_indir_size and + * @get_rxfh_key_size are implemented and return non-zero. * Returns a negative error code or zero. - * @set_rxfh_indir: Set the contents of the RX flow hash indirection table. - * Will not be called if @get_rxfh_indir_size returns zero. + * @set_rxfh: Set the contents of the RX flow hash indirection table and/or + * hash key. In case only the indirection table or hash key is to be + * changed, the other argument will be %NULL. + * Will only be called if one or both of @get_rxfh_indir_size and + * @get_rxfh_key_size are implemented and return non-zero. * Returns a negative error code or zero. * @get_channels: Get number of channels. * @set_channels: Set number of channels. Returns a negative error code or @@ -232,9 +239,11 @@ struct ethtool_ops { int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *); int (*flash_device)(struct net_device *, struct ethtool_flash *); int (*reset)(struct net_device *, u32 *); + u32 (*get_rxfh_key_size)(struct net_device *); u32 (*get_rxfh_indir_size)(struct net_device *); - int (*get_rxfh_indir)(struct net_device *, u32 *); - int (*set_rxfh_indir)(struct net_device *, const u32 *); + int (*get_rxfh)(struct net_device *, u32 *indir, u8 *key); + int (*set_rxfh)(struct net_device *, const u32 *indir, + const u8 *key); void (*get_channels)(struct net_device *, struct ethtool_channels *); int (*set_channels)(struct net_device *, struct ethtool_channels *); int (*get_dump_flag)(struct net_device *, struct ethtool_dump *); diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index df53e1753a76..6ff0b0b42d47 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -19,6 +19,7 @@ #define F2FS_LOG_SECTORS_PER_BLOCK 3 /* 4KB: F2FS_BLKSIZE */ #define F2FS_BLKSIZE 4096 /* support only 4KB block */ #define F2FS_MAX_EXTENSION 64 /* # of extension entries */ +#define F2FS_BLK_ALIGN(x) (((x) + F2FS_BLKSIZE - 1) / F2FS_BLKSIZE) #define NULL_ADDR ((block_t)0) /* used as block_t addresses */ #define NEW_ADDR ((block_t)-1) /* used as block_t addresses */ @@ -75,6 +76,7 @@ struct f2fs_super_block { __le16 volume_name[512]; /* volume name */ __le32 extension_count; /* # of extensions below */ __u8 extension_list[F2FS_MAX_EXTENSION][8]; /* extension array */ + __le32 cp_payload; } __packed; /* @@ -146,6 +148,9 @@ struct f2fs_extent { #define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */ #define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block */ +#define ADDRS_PER_PAGE(page, fi) \ + (IS_INODE(page) ? ADDRS_PER_INODE(fi) : ADDRS_PER_BLOCK) + #define NODE_DIR1_BLOCK (DEF_ADDRS_PER_INODE + 1) #define NODE_DIR2_BLOCK (DEF_ADDRS_PER_INODE + 2) #define NODE_IND1_BLOCK (DEF_ADDRS_PER_INODE + 3) @@ -391,6 +396,9 @@ typedef __le32 f2fs_hash_t; /* MAX level for dir lookup */ #define MAX_DIR_HASH_DEPTH 63 +/* MAX buckets in one level of dir */ +#define MAX_DIR_BUCKETS (1 << ((MAX_DIR_HASH_DEPTH / 2) - 1)) + #define SIZE_OF_DIR_ENTRY 11 /* by byte */ #define SIZE_OF_DENTRY_BITMAP ((NR_DENTRY_IN_BLOCK + BITS_PER_BYTE - 1) / \ BITS_PER_BYTE) diff --git a/include/linux/filter.h b/include/linux/filter.h index 024fd03e5d18..a7e3c48d73a7 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -37,21 +37,270 @@ #define BPF_CALL 0x80 /* function call */ #define BPF_EXIT 0x90 /* function return */ +/* Register numbers */ +enum { + BPF_REG_0 = 0, + BPF_REG_1, + BPF_REG_2, + BPF_REG_3, + BPF_REG_4, + BPF_REG_5, + BPF_REG_6, + BPF_REG_7, + BPF_REG_8, + BPF_REG_9, + BPF_REG_10, + __MAX_BPF_REG, +}; + /* BPF has 10 general purpose 64-bit registers and stack frame. */ -#define MAX_BPF_REG 11 +#define MAX_BPF_REG __MAX_BPF_REG + +/* ArgX, context and stack frame pointer register positions. Note, + * Arg1, Arg2, Arg3, etc are used as argument mappings of function + * calls in BPF_CALL instruction. + */ +#define BPF_REG_ARG1 BPF_REG_1 +#define BPF_REG_ARG2 BPF_REG_2 +#define BPF_REG_ARG3 BPF_REG_3 +#define BPF_REG_ARG4 BPF_REG_4 +#define BPF_REG_ARG5 BPF_REG_5 +#define BPF_REG_CTX BPF_REG_6 +#define BPF_REG_FP BPF_REG_10 + +/* Additional register mappings for converted user programs. */ +#define BPF_REG_A BPF_REG_0 +#define BPF_REG_X BPF_REG_7 +#define BPF_REG_TMP BPF_REG_8 /* BPF program can access up to 512 bytes of stack space. */ #define MAX_BPF_STACK 512 -/* Arg1, context and stack frame pointer register positions. */ -#define ARG1_REG 1 -#define CTX_REG 6 -#define FP_REG 10 +/* Helper macros for filter block array initializers. */ + +/* ALU ops on registers, bpf_add|sub|...: dst_reg += src_reg */ + +#define BPF_ALU64_REG(OP, DST, SRC) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU64 | BPF_OP(OP) | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = 0 }) + +#define BPF_ALU32_REG(OP, DST, SRC) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_OP(OP) | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = 0 }) + +/* ALU ops on immediates, bpf_add|sub|...: dst_reg += imm32 */ + +#define BPF_ALU64_IMM(OP, DST, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU64 | BPF_OP(OP) | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = 0, \ + .imm = IMM }) + +#define BPF_ALU32_IMM(OP, DST, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_OP(OP) | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = 0, \ + .imm = IMM }) + +/* Endianess conversion, cpu_to_{l,b}e(), {l,b}e_to_cpu() */ + +#define BPF_ENDIAN(TYPE, DST, LEN) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_END | BPF_SRC(TYPE), \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = 0, \ + .imm = LEN }) + +/* Short form of mov, dst_reg = src_reg */ + +#define BPF_MOV64_REG(DST, SRC) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU64 | BPF_MOV | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = 0 }) + +#define BPF_MOV32_REG(DST, SRC) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_MOV | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = 0 }) + +/* Short form of mov, dst_reg = imm32 */ + +#define BPF_MOV64_IMM(DST, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU64 | BPF_MOV | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = 0, \ + .imm = IMM }) + +#define BPF_MOV32_IMM(DST, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_MOV | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = 0, \ + .imm = IMM }) + +/* Short form of mov based on type, BPF_X: dst_reg = src_reg, BPF_K: dst_reg = imm32 */ + +#define BPF_MOV64_RAW(TYPE, DST, SRC, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU64 | BPF_MOV | BPF_SRC(TYPE), \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = IMM }) + +#define BPF_MOV32_RAW(TYPE, DST, SRC, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ALU | BPF_MOV | BPF_SRC(TYPE), \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = IMM }) + +/* Direct packet access, R0 = *(uint *) (skb->data + imm32) */ + +#define BPF_LD_ABS(SIZE, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_LD | BPF_SIZE(SIZE) | BPF_ABS, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = 0, \ + .imm = IMM }) + +/* Indirect packet access, R0 = *(uint *) (skb->data + src_reg + imm32) */ + +#define BPF_LD_IND(SIZE, SRC, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_LD | BPF_SIZE(SIZE) | BPF_IND, \ + .dst_reg = 0, \ + .src_reg = SRC, \ + .off = 0, \ + .imm = IMM }) + +/* Memory load, dst_reg = *(uint *) (src_reg + off16) */ + +#define BPF_LDX_MEM(SIZE, DST, SRC, OFF) \ + ((struct sock_filter_int) { \ + .code = BPF_LDX | BPF_SIZE(SIZE) | BPF_MEM, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + +/* Memory store, *(uint *) (dst_reg + off16) = src_reg */ + +#define BPF_STX_MEM(SIZE, DST, SRC, OFF) \ + ((struct sock_filter_int) { \ + .code = BPF_STX | BPF_SIZE(SIZE) | BPF_MEM, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + +/* Memory store, *(uint *) (dst_reg + off16) = imm32 */ + +#define BPF_ST_MEM(SIZE, DST, OFF, IMM) \ + ((struct sock_filter_int) { \ + .code = BPF_ST | BPF_SIZE(SIZE) | BPF_MEM, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = OFF, \ + .imm = IMM }) + +/* Conditional jumps against registers, if (dst_reg 'op' src_reg) goto pc + off16 */ + +#define BPF_JMP_REG(OP, DST, SRC, OFF) \ + ((struct sock_filter_int) { \ + .code = BPF_JMP | BPF_OP(OP) | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + +/* Conditional jumps against immediates, if (dst_reg 'op' imm32) goto pc + off16 */ + +#define BPF_JMP_IMM(OP, DST, IMM, OFF) \ + ((struct sock_filter_int) { \ + .code = BPF_JMP | BPF_OP(OP) | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = OFF, \ + .imm = IMM }) + +/* Function call */ + +#define BPF_EMIT_CALL(FUNC) \ + ((struct sock_filter_int) { \ + .code = BPF_JMP | BPF_CALL, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = 0, \ + .imm = ((FUNC) - __bpf_call_base) }) + +/* Raw code statement block */ + +#define BPF_RAW_INSN(CODE, DST, SRC, OFF, IMM) \ + ((struct sock_filter_int) { \ + .code = CODE, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = IMM }) + +/* Program exit */ + +#define BPF_EXIT_INSN() \ + ((struct sock_filter_int) { \ + .code = BPF_JMP | BPF_EXIT, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = 0, \ + .imm = 0 }) + +#define bytes_to_bpf_size(bytes) \ +({ \ + int bpf_size = -EINVAL; \ + \ + if (bytes == sizeof(u8)) \ + bpf_size = BPF_B; \ + else if (bytes == sizeof(u16)) \ + bpf_size = BPF_H; \ + else if (bytes == sizeof(u32)) \ + bpf_size = BPF_W; \ + else if (bytes == sizeof(u64)) \ + bpf_size = BPF_DW; \ + \ + bpf_size; \ +}) + +/* Macro to invoke filter function. */ +#define SK_RUN_FILTER(filter, ctx) (*filter->bpf_func)(ctx, filter->insnsi) struct sock_filter_int { __u8 code; /* opcode */ - __u8 a_reg:4; /* dest register */ - __u8 x_reg:4; /* source register */ + __u8 dst_reg:4; /* dest register */ + __u8 src_reg:4; /* source register */ __s16 off; /* signed offset */ __s32 imm; /* signed immediate constant */ }; @@ -97,21 +346,16 @@ static inline unsigned int sk_filter_size(unsigned int proglen) #define sk_filter_proglen(fprog) \ (fprog->len * sizeof(fprog->filter[0])) -#define SK_RUN_FILTER(filter, ctx) \ - (*filter->bpf_func)(ctx, filter->insnsi) - int sk_filter(struct sock *sk, struct sk_buff *skb); -u32 sk_run_filter_int_seccomp(const struct seccomp_data *ctx, - const struct sock_filter_int *insni); -u32 sk_run_filter_int_skb(const struct sk_buff *ctx, - const struct sock_filter_int *insni); +void sk_filter_select_runtime(struct sk_filter *fp); +void sk_filter_free(struct sk_filter *fp); int sk_convert_filter(struct sock_filter *prog, int len, struct sock_filter_int *new_prog, int *new_len); int sk_unattached_filter_create(struct sk_filter **pfp, - struct sock_fprog *fprog); + struct sock_fprog_kern *fprog); void sk_unattached_filter_destroy(struct sk_filter *fp); int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk); @@ -120,11 +364,48 @@ int sk_detach_filter(struct sock *sk); int sk_chk_filter(struct sock_filter *filter, unsigned int flen); int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned int len); -void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to); void sk_filter_charge(struct sock *sk, struct sk_filter *fp); void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp); +u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); +void bpf_int_jit_compile(struct sk_filter *fp); + +#define BPF_ANC BIT(15) + +static inline u16 bpf_anc_helper(const struct sock_filter *ftest) +{ + BUG_ON(ftest->code & BPF_ANC); + + switch (ftest->code) { + case BPF_LD | BPF_W | BPF_ABS: + case BPF_LD | BPF_H | BPF_ABS: + case BPF_LD | BPF_B | BPF_ABS: +#define BPF_ANCILLARY(CODE) case SKF_AD_OFF + SKF_AD_##CODE: \ + return BPF_ANC | SKF_AD_##CODE + switch (ftest->k) { + BPF_ANCILLARY(PROTOCOL); + BPF_ANCILLARY(PKTTYPE); + BPF_ANCILLARY(IFINDEX); + BPF_ANCILLARY(NLATTR); + BPF_ANCILLARY(NLATTR_NEST); + BPF_ANCILLARY(MARK); + BPF_ANCILLARY(QUEUE); + BPF_ANCILLARY(HATYPE); + BPF_ANCILLARY(RXHASH); + BPF_ANCILLARY(CPU); + BPF_ANCILLARY(ALU_XOR_X); + BPF_ANCILLARY(VLAN_TAG); + BPF_ANCILLARY(VLAN_TAG_PRESENT); + BPF_ANCILLARY(PAY_OFFSET); + BPF_ANCILLARY(RANDOM); + } + /* Fallthrough. */ + default: + return ftest->code; + } +} + #ifdef CONFIG_BPF_JIT #include <stdarg.h> #include <linux/linkage.h> @@ -144,85 +425,20 @@ static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen, } #else #include <linux/slab.h> + static inline void bpf_jit_compile(struct sk_filter *fp) { } + static inline void bpf_jit_free(struct sk_filter *fp) { kfree(fp); } -#endif +#endif /* CONFIG_BPF_JIT */ static inline int bpf_tell_extensions(void) { return SKF_AD_MAX; } -enum { - BPF_S_RET_K = 1, - BPF_S_RET_A, - BPF_S_ALU_ADD_K, - BPF_S_ALU_ADD_X, - BPF_S_ALU_SUB_K, - BPF_S_ALU_SUB_X, - BPF_S_ALU_MUL_K, - BPF_S_ALU_MUL_X, - BPF_S_ALU_DIV_X, - BPF_S_ALU_MOD_K, - BPF_S_ALU_MOD_X, - BPF_S_ALU_AND_K, - BPF_S_ALU_AND_X, - BPF_S_ALU_OR_K, - BPF_S_ALU_OR_X, - BPF_S_ALU_XOR_K, - BPF_S_ALU_XOR_X, - BPF_S_ALU_LSH_K, - BPF_S_ALU_LSH_X, - BPF_S_ALU_RSH_K, - BPF_S_ALU_RSH_X, - BPF_S_ALU_NEG, - BPF_S_LD_W_ABS, - BPF_S_LD_H_ABS, - BPF_S_LD_B_ABS, - BPF_S_LD_W_LEN, - BPF_S_LD_W_IND, - BPF_S_LD_H_IND, - BPF_S_LD_B_IND, - BPF_S_LD_IMM, - BPF_S_LDX_W_LEN, - BPF_S_LDX_B_MSH, - BPF_S_LDX_IMM, - BPF_S_MISC_TAX, - BPF_S_MISC_TXA, - BPF_S_ALU_DIV_K, - BPF_S_LD_MEM, - BPF_S_LDX_MEM, - BPF_S_ST, - BPF_S_STX, - BPF_S_JMP_JA, - BPF_S_JMP_JEQ_K, - BPF_S_JMP_JEQ_X, - BPF_S_JMP_JGE_K, - BPF_S_JMP_JGE_X, - BPF_S_JMP_JGT_K, - BPF_S_JMP_JGT_X, - BPF_S_JMP_JSET_K, - BPF_S_JMP_JSET_X, - /* Ancillary data */ - BPF_S_ANC_PROTOCOL, - BPF_S_ANC_PKTTYPE, - BPF_S_ANC_IFINDEX, - BPF_S_ANC_NLATTR, - BPF_S_ANC_NLATTR_NEST, - BPF_S_ANC_MARK, - BPF_S_ANC_QUEUE, - BPF_S_ANC_HATYPE, - BPF_S_ANC_RXHASH, - BPF_S_ANC_CPU, - BPF_S_ANC_ALU_XOR_X, - BPF_S_ANC_VLAN_TAG, - BPF_S_ANC_VLAN_TAG_PRESENT, - BPF_S_ANC_PAY_OFFSET, -}; - #endif /* __LINUX_FILTER_H__ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index c3f46e499dd0..e11d60cc867b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -128,6 +128,10 @@ typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define FMODE_ATOMIC_POS ((__force fmode_t)0x8000) /* Write access to underlying fs */ #define FMODE_WRITER ((__force fmode_t)0x10000) +/* Has read method(s) */ +#define FMODE_CAN_READ ((__force fmode_t)0x20000) +/* Has write method(s) */ +#define FMODE_CAN_WRITE ((__force fmode_t)0x40000) /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x1000000) @@ -343,8 +347,7 @@ struct address_space_operations { void (*invalidatepage) (struct page *, unsigned int, unsigned int); int (*releasepage) (struct page *, gfp_t); void (*freepage)(struct page *); - ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, - loff_t offset, unsigned long nr_segs); + ssize_t (*direct_IO)(int, struct kiocb *, struct iov_iter *iter, loff_t offset); int (*get_xip_mem)(struct address_space *, pgoff_t, int, void **, unsigned long *); /* @@ -1448,6 +1451,8 @@ struct block_device_operations; #define HAVE_COMPAT_IOCTL 1 #define HAVE_UNLOCKED_IOCTL 1 +struct iov_iter; + struct file_operations { struct module *owner; loff_t (*llseek) (struct file *, loff_t, int); @@ -1455,6 +1460,8 @@ struct file_operations { ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t); ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t); + ssize_t (*read_iter) (struct kiocb *, struct iov_iter *); + ssize_t (*write_iter) (struct kiocb *, struct iov_iter *); int (*iterate) (struct file *, struct dir_context *); unsigned int (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); @@ -1914,6 +1921,12 @@ static inline int break_lease(struct inode *inode, unsigned int mode) static inline int break_deleg(struct inode *inode, unsigned int mode) { + /* + * Since this check is lockless, we must ensure that any refcounts + * taken are done before checking inode->i_flock. Otherwise, we could + * end up racing with tasks trying to set a new lease on this file. + */ + smp_mb(); if (inode->i_flock) return __break_lease(inode, mode, FL_DELEG); return 0; @@ -2404,20 +2417,18 @@ extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *); extern int generic_file_remap_pages(struct vm_area_struct *, unsigned long addr, unsigned long size, pgoff_t pgoff); int generic_write_checks(struct file *file, loff_t *pos, size_t *count, int isblk); -extern ssize_t generic_file_aio_read(struct kiocb *, const struct iovec *, unsigned long, loff_t); -extern ssize_t __generic_file_aio_write(struct kiocb *, const struct iovec *, unsigned long); -extern ssize_t generic_file_aio_write(struct kiocb *, const struct iovec *, unsigned long, loff_t); -extern ssize_t generic_file_direct_write(struct kiocb *, const struct iovec *, - unsigned long *, loff_t, size_t, size_t); +extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *); +extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *); +extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *); +extern ssize_t generic_file_direct_write(struct kiocb *, struct iov_iter *, loff_t); extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t); extern ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos); extern ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos); -extern int generic_segment_checks(const struct iovec *iov, - unsigned long *nr_segs, size_t *count, int access_flags); +extern ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos); +extern ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos); /* fs/block_dev.c */ -extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); +extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from); extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync); extern void block_sync_page(struct page *page); @@ -2427,7 +2438,7 @@ extern ssize_t generic_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); extern ssize_t default_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); -extern ssize_t generic_file_splice_write(struct pipe_inode_info *, +extern ssize_t iter_file_splice_write(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, struct file *out, loff_t *, size_t len, unsigned int flags); @@ -2477,16 +2488,16 @@ enum { void dio_end_io(struct bio *bio, int error); ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, - struct block_device *bdev, const struct iovec *iov, loff_t offset, - unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io, + struct block_device *bdev, struct iov_iter *iter, loff_t offset, + get_block_t get_block, dio_iodone_t end_io, dio_submit_t submit_io, int flags); static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, - struct inode *inode, const struct iovec *iov, loff_t offset, - unsigned long nr_segs, get_block_t get_block) + struct inode *inode, struct iov_iter *iter, loff_t offset, + get_block_t get_block) { - return __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, get_block, NULL, NULL, + return __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iter, + offset, get_block, NULL, NULL, DIO_LOCKING | DIO_SKIP_HOLES); } #endif diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 2018751cad9e..404a686a3644 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -62,9 +62,6 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip, * set in the flags member. * * ENABLED - set/unset when ftrace_ops is registered/unregistered - * GLOBAL - set manualy by ftrace_ops user to denote the ftrace_ops - * is part of the global tracers sharing the same filter - * via set_ftrace_* debugfs files. * DYNAMIC - set when ftrace_ops is registered to denote dynamically * allocated ftrace_ops which need special care * CONTROL - set manualy by ftrace_ops user to denote the ftrace_ops @@ -96,15 +93,14 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip, */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, - FTRACE_OPS_FL_GLOBAL = 1 << 1, - FTRACE_OPS_FL_DYNAMIC = 1 << 2, - FTRACE_OPS_FL_CONTROL = 1 << 3, - FTRACE_OPS_FL_SAVE_REGS = 1 << 4, - FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 5, - FTRACE_OPS_FL_RECURSION_SAFE = 1 << 6, - FTRACE_OPS_FL_STUB = 1 << 7, - FTRACE_OPS_FL_INITIALIZED = 1 << 8, - FTRACE_OPS_FL_DELETED = 1 << 9, + FTRACE_OPS_FL_DYNAMIC = 1 << 1, + FTRACE_OPS_FL_CONTROL = 1 << 2, + FTRACE_OPS_FL_SAVE_REGS = 1 << 3, + FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED = 1 << 4, + FTRACE_OPS_FL_RECURSION_SAFE = 1 << 5, + FTRACE_OPS_FL_STUB = 1 << 6, + FTRACE_OPS_FL_INITIALIZED = 1 << 7, + FTRACE_OPS_FL_DELETED = 1 << 8, }; /* @@ -366,14 +362,12 @@ enum { * IGNORE - The function is already what we want it to be * MAKE_CALL - Start tracing the function * MODIFY_CALL - Stop saving regs for the function - * MODIFY_CALL_REGS - Start saving regs for the function * MAKE_NOP - Stop tracing the function */ enum { FTRACE_UPDATE_IGNORE, FTRACE_UPDATE_MAKE_CALL, FTRACE_UPDATE_MODIFY_CALL, - FTRACE_UPDATE_MODIFY_CALL_REGS, FTRACE_UPDATE_MAKE_NOP, }; @@ -404,6 +398,8 @@ int ftrace_update_record(struct dyn_ftrace *rec, int enable); int ftrace_test_record(struct dyn_ftrace *rec, int enable); void ftrace_run_stop_machine(int command); unsigned long ftrace_location(unsigned long ip); +unsigned long ftrace_get_addr_new(struct dyn_ftrace *rec); +unsigned long ftrace_get_addr_curr(struct dyn_ftrace *rec); extern ftrace_func_t ftrace_trace_function; diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index d16da3e53bc7..cff3106ffe2c 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -38,6 +38,9 @@ const char *ftrace_print_symbols_seq_u64(struct trace_seq *p, *symbol_array); #endif +const char *ftrace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr, + unsigned int bitmask_size); + const char *ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int len); diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index a7e977ff4abf..8b622468952c 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -3,29 +3,53 @@ struct device; +/** + * struct gpio_keys_button - configuration parameters + * @code: input event code (KEY_*, SW_*) + * @gpio: %-1 if this key does not support gpio + * @active_low: %true indicates that button is considered + * depressed when gpio is low + * @desc: label that will be attached to button's gpio + * @type: input event type (%EV_KEY, %EV_SW, %EV_ABS) + * @wakeup: configure the button as a wake-up source + * @debounce_interval: debounce ticks interval in msecs + * @can_disable: %true indicates that userspace is allowed to + * disable button via sysfs + * @value: axis value for %EV_ABS + * @irq: Irq number in case of interrupt keys + */ struct gpio_keys_button { - /* Configuration parameters */ - unsigned int code; /* input event code (KEY_*, SW_*) */ - int gpio; /* -1 if this key does not support gpio */ + unsigned int code; + int gpio; int active_low; const char *desc; - unsigned int type; /* input event type (EV_KEY, EV_SW, EV_ABS) */ - int wakeup; /* configure the button as a wake-up source */ - int debounce_interval; /* debounce ticks interval in msecs */ + unsigned int type; + int wakeup; + int debounce_interval; bool can_disable; - int value; /* axis value for EV_ABS */ - unsigned int irq; /* Irq number in case of interrupt keys */ + int value; + unsigned int irq; }; +/** + * struct gpio_keys_platform_data - platform data for gpio_keys driver + * @buttons: pointer to array of &gpio_keys_button structures + * describing buttons attached to the device + * @nbuttons: number of elements in @buttons array + * @poll_interval: polling interval in msecs - for polling driver only + * @rep: enable input subsystem auto repeat + * @enable: platform hook for enabling the device + * @disable: platform hook for disabling the device + * @name: input device name + */ struct gpio_keys_platform_data { struct gpio_keys_button *buttons; int nbuttons; - unsigned int poll_interval; /* polling interval in msecs - - for polling driver only */ - unsigned int rep:1; /* enable input subsystem auto repeat */ + unsigned int poll_interval; + unsigned int rep:1; int (*enable)(struct device *dev); void (*disable)(struct device *dev); - const char *name; /* input device name */ + const char *name; }; #endif diff --git a/include/linux/i2c/atmel_mxt_ts.h b/include/linux/i2c/atmel_mxt_ts.h index 99e379b74398..3891dc1de21c 100644 --- a/include/linux/i2c/atmel_mxt_ts.h +++ b/include/linux/i2c/atmel_mxt_ts.h @@ -15,35 +15,14 @@ #include <linux/types.h> -/* For key_map array */ -#define MXT_NUM_GPIO 4 - -/* Orient */ -#define MXT_NORMAL 0x0 -#define MXT_DIAGONAL 0x1 -#define MXT_HORIZONTAL_FLIP 0x2 -#define MXT_ROTATED_90_COUNTER 0x3 -#define MXT_VERTICAL_FLIP 0x4 -#define MXT_ROTATED_90 0x5 -#define MXT_ROTATED_180 0x6 -#define MXT_DIAGONAL_COUNTER 0x7 - /* The platform data for the Atmel maXTouch touchscreen driver */ struct mxt_platform_data { const u8 *config; size_t config_length; - - unsigned int x_line; - unsigned int y_line; - unsigned int x_size; - unsigned int y_size; - unsigned int blen; - unsigned int threshold; - unsigned int voltage; - unsigned char orient; + u32 config_crc; unsigned long irqflags; - bool is_tp; - const unsigned int key_map[MXT_NUM_GPIO]; + u8 t19_num_keys; + const unsigned int *t19_keymap; }; #endif /* __LINUX_ATMEL_MXT_TS_H */ diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h index d2b16704624c..8cfb50f38529 100644 --- a/include/linux/i2c/twl.h +++ b/include/linux/i2c/twl.h @@ -498,7 +498,10 @@ static inline int twl6030_mmc_card_detect(struct device *dev, int slot) #define RES_GRP_ALL 0x7 /* All resource groups */ #define RES_TYPE2_R0 0x0 +#define RES_TYPE2_R1 0x1 +#define RES_TYPE2_R2 0x2 +#define RES_TYPE_R0 0x0 #define RES_TYPE_ALL 0x7 /* Resource states */ @@ -671,6 +674,7 @@ struct twl4030_power_data { struct twl4030_script **scripts; unsigned num; struct twl4030_resconfig *resource_config; + struct twl4030_resconfig *board_config; #define TWL4030_RESCONFIG_UNDEF ((u8)-1) bool use_poweroff; /* Board is wired for TWL poweroff */ }; diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index f194ccb8539c..6bff13f74050 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1711,6 +1711,7 @@ enum ieee80211_eid { WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, WLAN_EID_MULTIPLE_BSSID = 71, WLAN_EID_BSS_COEX_2040 = 72, + WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, WLAN_EID_RIC_DESCRIPTOR = 75, WLAN_EID_MMIE = 76, diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index 1085ffeef956..fd22789d7b2e 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -16,9 +16,28 @@ #include <linux/netdevice.h> #include <uapi/linux/if_bridge.h> +struct br_ip { + union { + __be32 ip4; +#if IS_ENABLED(CONFIG_IPV6) + struct in6_addr ip6; +#endif + } u; + __be16 proto; + __u16 vid; +}; + +struct br_ip_list { + struct list_head list; + struct br_ip addr; +}; + extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); typedef int br_should_route_hook_t(struct sk_buff *skb); extern br_should_route_hook_t __rcu *br_should_route_hook; +int br_multicast_list_adjacent(struct net_device *dev, + struct list_head *br_ip_list); +bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); #endif diff --git a/include/linux/if_link.h b/include/linux/if_link.h index a86784dec3d3..119130e9298b 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -10,8 +10,9 @@ struct ifla_vf_info { __u8 mac[32]; __u32 vlan; __u32 qos; - __u32 tx_rate; __u32 spoofchk; __u32 linkstate; + __u32 min_tx_rate; + __u32 max_tx_rate; }; #endif /* _LINUX_IF_LINK_H */ diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index a9a53b12397b..6b2c7cf352a5 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -57,6 +57,9 @@ struct macvlan_dev { netdev_features_t tap_features; int minor; int nest_level; +#ifdef CONFIG_NET_POLL_CONTROLLER + struct netpoll *netpoll; +#endif }; static inline void macvlan_count_rx(const struct macvlan_dev *vlan, diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index b2acc4a1b13c..4967916fe4ac 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -106,7 +106,7 @@ struct vlan_pcpu_stats { #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) -extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, +extern struct net_device *__vlan_find_dev_deep_rcu(struct net_device *real_dev, __be16 vlan_proto, u16 vlan_id); extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); extern u16 vlan_dev_vlan_id(const struct net_device *dev); @@ -206,7 +206,7 @@ static inline int vlan_get_encap_level(struct net_device *dev) } #else static inline struct net_device * -__vlan_find_dev_deep(struct net_device *real_dev, +__vlan_find_dev_deep_rcu(struct net_device *real_dev, __be16 vlan_proto, u16 vlan_id) { return NULL; diff --git a/include/linux/input-polldev.h b/include/linux/input-polldev.h index ce0b72464eb8..2465182670db 100644 --- a/include/linux/input-polldev.h +++ b/include/linux/input-polldev.h @@ -48,9 +48,12 @@ struct input_polled_dev { /* private: */ struct delayed_work work; + + bool devres_managed; }; struct input_polled_dev *input_allocate_polled_device(void); +struct input_polled_dev *devm_input_allocate_polled_device(struct device *dev); void input_free_polled_device(struct input_polled_dev *dev); int input_register_polled_device(struct input_polled_dev *dev); void input_unregister_polled_device(struct input_polled_dev *dev); diff --git a/include/linux/input/pixcir_ts.h b/include/linux/input/pixcir_ts.h index 7163d91c0373..160cf353aa39 100644 --- a/include/linux/input/pixcir_ts.h +++ b/include/linux/input/pixcir_ts.h @@ -1,10 +1,52 @@ #ifndef _PIXCIR_I2C_TS_H #define _PIXCIR_I2C_TS_H +/* + * Register map + */ +#define PIXCIR_REG_POWER_MODE 51 +#define PIXCIR_REG_INT_MODE 52 + +/* + * Power modes: + * active: max scan speed + * idle: lower scan speed with automatic transition to active on touch + * halt: datasheet says sleep but this is more like halt as the chip + * clocks are cut and it can only be brought out of this mode + * using the RESET pin. + */ +enum pixcir_power_mode { + PIXCIR_POWER_ACTIVE, + PIXCIR_POWER_IDLE, + PIXCIR_POWER_HALT, +}; + +#define PIXCIR_POWER_MODE_MASK 0x03 +#define PIXCIR_POWER_ALLOW_IDLE (1UL << 2) + +/* + * Interrupt modes: + * periodical: interrupt is asserted periodicaly + * diff coordinates: interrupt is asserted when coordinates change + * level on touch: interrupt level asserted during touch + * pulse on touch: interrupt pulse asserted druing touch + * + */ +enum pixcir_int_mode { + PIXCIR_INT_PERIODICAL, + PIXCIR_INT_DIFF_COORD, + PIXCIR_INT_LEVEL_TOUCH, + PIXCIR_INT_PULSE_TOUCH, +}; + +#define PIXCIR_INT_MODE_MASK 0x03 +#define PIXCIR_INT_ENABLE (1UL << 3) +#define PIXCIR_INT_POL_HIGH (1UL << 2) + struct pixcir_ts_platform_data { - int (*attb_read_val)(void); int x_max; int y_max; + int gpio_attb; /* GPIO connected to ATTB line */ }; #endif diff --git a/include/linux/input/touchscreen.h b/include/linux/input/touchscreen.h new file mode 100644 index 000000000000..08a5ef6e8f25 --- /dev/null +++ b/include/linux/input/touchscreen.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2014 Sebastian Reichel <sre@kernel.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef _TOUCHSCREEN_H +#define _TOUCHSCREEN_H + +#include <linux/input.h> + +#ifdef CONFIG_OF +void touchscreen_parse_of_params(struct input_dev *dev); +#else +static inline void touchscreen_parse_of_params(struct input_dev *dev) +{ +} +#endif + +#endif diff --git a/include/linux/isdn/capiutil.h b/include/linux/isdn/capiutil.h index 5a52f2c94f3f..44bd6046e6e2 100644 --- a/include/linux/isdn/capiutil.h +++ b/include/linux/isdn/capiutil.h @@ -164,11 +164,6 @@ unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId, __u8 _Command, __u8 _Subcommand, __u16 _Messagenumber, __u32 _Controller); -/* - * capi_info2str generated a readable string for Capi2.0 reasons. - */ -char *capi_info2str(__u16 reason); - /*-----------------------------------------------------------------------*/ /* diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 17aa1cce6f8e..30faf797c2c3 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -91,6 +91,7 @@ struct kernfs_elem_attr { const struct kernfs_ops *ops; struct kernfs_open_node *open; loff_t size; + struct kernfs_node *notify_next; /* for kernfs_notify() */ }; /* @@ -304,6 +305,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, struct kernfs_root *root, unsigned long magic, bool *new_sb_created, const void *ns); void kernfs_kill_sb(struct super_block *sb); +struct super_block *kernfs_pin_sb(struct kernfs_root *root, const void *ns); void kernfs_init(void); diff --git a/include/linux/key.h b/include/linux/key.h index 3ae45f09589b..017b0826642f 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -309,6 +309,17 @@ static inline key_serial_t key_serial(const struct key *key) extern void key_set_timeout(struct key *, unsigned); +/* + * The permissions required on a key that we're looking up. + */ +#define KEY_NEED_VIEW 0x01 /* Require permission to view attributes */ +#define KEY_NEED_READ 0x02 /* Require permission to read content */ +#define KEY_NEED_WRITE 0x04 /* Require permission to update / modify */ +#define KEY_NEED_SEARCH 0x08 /* Require permission to search (keyring) or find (key) */ +#define KEY_NEED_LINK 0x10 /* Require permission to link */ +#define KEY_NEED_SETATTR 0x20 /* Require permission to change attributes */ +#define KEY_NEED_ALL 0x3f /* All the above permissions */ + /** * key_is_instantiated - Determine if a key has been positively instantiated * @key: The key to check. diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 925eaf28fca9..f7296e57d614 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -205,10 +205,10 @@ struct kretprobe_blackpoint { void *addr; }; -struct kprobe_blackpoint { - const char *name; +struct kprobe_blacklist_entry { + struct list_head list; unsigned long start_addr; - unsigned long range; + unsigned long end_addr; }; #ifdef CONFIG_KPROBES @@ -265,6 +265,7 @@ extern void arch_disarm_kprobe(struct kprobe *p); extern int arch_init_kprobes(void); extern void show_registers(struct pt_regs *regs); extern void kprobes_inc_nmissed_count(struct kprobe *p); +extern bool arch_within_kprobe_blacklist(unsigned long addr); struct kprobe_insn_cache { struct mutex mutex; @@ -355,7 +356,7 @@ static inline void reset_current_kprobe(void) static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void) { - return (&__get_cpu_var(kprobe_ctlblk)); + return this_cpu_ptr(&kprobe_ctlblk); } int register_kprobe(struct kprobe *p); @@ -476,4 +477,18 @@ static inline int enable_jprobe(struct jprobe *jp) return enable_kprobe(&jp->kp); } +#ifdef CONFIG_KPROBES +/* + * Blacklist ganerating macro. Specify functions which is not probed + * by using this macro. + */ +#define __NOKPROBE_SYMBOL(fname) \ +static unsigned long __used \ + __attribute__((section("_kprobe_blacklist"))) \ + _kbl_addr_##fname = (unsigned long)fname; +#define NOKPROBE_SYMBOL(fname) __NOKPROBE_SYMBOL(fname) +#else +#define NOKPROBE_SYMBOL(fname) +#endif + #endif /* _LINUX_KPROBES_H */ diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 31c0cd1c941a..de9e46e6bcc9 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -304,6 +304,30 @@ static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2) return 0; } +/** + * ktime_after - Compare if a ktime_t value is bigger than another one. + * @cmp1: comparable1 + * @cmp2: comparable2 + * + * Return: true if cmp1 happened after cmp2. + */ +static inline bool ktime_after(const ktime_t cmp1, const ktime_t cmp2) +{ + return ktime_compare(cmp1, cmp2) > 0; +} + +/** + * ktime_before - Compare if a ktime_t value is smaller than another one. + * @cmp1: comparable1 + * @cmp2: comparable2 + * + * Return: true if cmp1 happened before cmp2. + */ +static inline bool ktime_before(const ktime_t cmp1, const ktime_t cmp2) +{ + return ktime_compare(cmp1, cmp2) < 0; +} + static inline s64 ktime_to_us(const ktime_t kt) { struct timeval tv = ktime_to_timeval(kt); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 970c68197c69..ec4e3bd83d47 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -586,7 +586,7 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn); void kvm_vcpu_block(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); -bool kvm_vcpu_yield_to(struct kvm_vcpu *target); +int kvm_vcpu_yield_to(struct kvm_vcpu *target); void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu); void kvm_load_guest_fpu(struct kvm_vcpu *vcpu); void kvm_put_guest_fpu(struct kvm_vcpu *vcpu); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index dcaad79f54ed..219d79627c05 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -17,13 +17,13 @@ #include <linux/fs.h> #include <linux/kref.h> #include <linux/utsname.h> -#include <linux/nfsd/nfsfh.h> #include <linux/lockd/bind.h> #include <linux/lockd/xdr.h> #ifdef CONFIG_LOCKD_V4 #include <linux/lockd/xdr4.h> #endif #include <linux/lockd/debug.h> +#include <linux/sunrpc/svc.h> /* * Version string diff --git a/include/linux/mfd/samsung/rtc.h b/include/linux/mfd/samsung/rtc.h index 3e02b768d537..b6401e7661c7 100644 --- a/include/linux/mfd/samsung/rtc.h +++ b/include/linux/mfd/samsung/rtc.h @@ -18,38 +18,38 @@ #ifndef __LINUX_MFD_SEC_RTC_H #define __LINUX_MFD_SEC_RTC_H -enum sec_rtc_reg { - SEC_RTC_SEC, - SEC_RTC_MIN, - SEC_RTC_HOUR, - SEC_RTC_WEEKDAY, - SEC_RTC_DATE, - SEC_RTC_MONTH, - SEC_RTC_YEAR1, - SEC_RTC_YEAR2, - SEC_ALARM0_SEC, - SEC_ALARM0_MIN, - SEC_ALARM0_HOUR, - SEC_ALARM0_WEEKDAY, - SEC_ALARM0_DATE, - SEC_ALARM0_MONTH, - SEC_ALARM0_YEAR1, - SEC_ALARM0_YEAR2, - SEC_ALARM1_SEC, - SEC_ALARM1_MIN, - SEC_ALARM1_HOUR, - SEC_ALARM1_WEEKDAY, - SEC_ALARM1_DATE, - SEC_ALARM1_MONTH, - SEC_ALARM1_YEAR1, - SEC_ALARM1_YEAR2, - SEC_ALARM0_CONF, - SEC_ALARM1_CONF, - SEC_RTC_STATUS, - SEC_WTSR_SMPL_CNTL, - SEC_RTC_UDR_CON, +enum s5m_rtc_reg { + S5M_RTC_SEC, + S5M_RTC_MIN, + S5M_RTC_HOUR, + S5M_RTC_WEEKDAY, + S5M_RTC_DATE, + S5M_RTC_MONTH, + S5M_RTC_YEAR1, + S5M_RTC_YEAR2, + S5M_ALARM0_SEC, + S5M_ALARM0_MIN, + S5M_ALARM0_HOUR, + S5M_ALARM0_WEEKDAY, + S5M_ALARM0_DATE, + S5M_ALARM0_MONTH, + S5M_ALARM0_YEAR1, + S5M_ALARM0_YEAR2, + S5M_ALARM1_SEC, + S5M_ALARM1_MIN, + S5M_ALARM1_HOUR, + S5M_ALARM1_WEEKDAY, + S5M_ALARM1_DATE, + S5M_ALARM1_MONTH, + S5M_ALARM1_YEAR1, + S5M_ALARM1_YEAR2, + S5M_ALARM0_CONF, + S5M_ALARM1_CONF, + S5M_RTC_STATUS, + S5M_WTSR_SMPL_CNTL, + S5M_RTC_UDR_CON, - SEC_RTC_REG_MAX, + S5M_RTC_REG_MAX, }; enum s2mps_rtc_reg { @@ -88,9 +88,9 @@ enum s2mps_rtc_reg { #define HOUR_12 (1 << 7) #define HOUR_AMPM (1 << 6) #define HOUR_PM (1 << 5) -#define ALARM0_STATUS (1 << 1) -#define ALARM1_STATUS (1 << 2) -#define UPDATE_AD (1 << 0) +#define S5M_ALARM0_STATUS (1 << 1) +#define S5M_ALARM1_STATUS (1 << 2) +#define S5M_UPDATE_AD (1 << 0) #define S2MPS_ALARM0_STATUS (1 << 2) #define S2MPS_ALARM1_STATUS (1 << 1) @@ -101,16 +101,26 @@ enum s2mps_rtc_reg { #define MODEL24_SHIFT 1 #define MODEL24_MASK (1 << MODEL24_SHIFT) /* RTC Update Register1 */ -#define RTC_UDR_SHIFT 0 -#define RTC_UDR_MASK (1 << RTC_UDR_SHIFT) +#define S5M_RTC_UDR_SHIFT 0 +#define S5M_RTC_UDR_MASK (1 << S5M_RTC_UDR_SHIFT) #define S2MPS_RTC_WUDR_SHIFT 4 #define S2MPS_RTC_WUDR_MASK (1 << S2MPS_RTC_WUDR_SHIFT) #define S2MPS_RTC_RUDR_SHIFT 0 #define S2MPS_RTC_RUDR_MASK (1 << S2MPS_RTC_RUDR_SHIFT) #define RTC_TCON_SHIFT 1 #define RTC_TCON_MASK (1 << RTC_TCON_SHIFT) -#define RTC_TIME_EN_SHIFT 3 -#define RTC_TIME_EN_MASK (1 << RTC_TIME_EN_SHIFT) +#define S5M_RTC_TIME_EN_SHIFT 3 +#define S5M_RTC_TIME_EN_MASK (1 << S5M_RTC_TIME_EN_SHIFT) +/* + * UDR_T field in S5M_RTC_UDR_CON register determines the time needed + * for updating alarm and time registers. Default is 7.32 ms. + */ +#define S5M_RTC_UDR_T_SHIFT 6 +#define S5M_RTC_UDR_T_MASK (0x3 << S5M_RTC_UDR_T_SHIFT) +#define S5M_RTC_UDR_T_7320_US (0x0 << S5M_RTC_UDR_T_SHIFT) +#define S5M_RTC_UDR_T_1830_US (0x1 << S5M_RTC_UDR_T_SHIFT) +#define S5M_RTC_UDR_T_3660_US (0x2 << S5M_RTC_UDR_T_SHIFT) +#define S5M_RTC_UDR_T_450_US (0x3 << S5M_RTC_UDR_T_SHIFT) /* RTC Hour register */ #define HOUR_PM_SHIFT 6 diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index ba87bd21295a..b12f4bbd064c 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -401,6 +401,7 @@ struct mlx4_caps { int max_rq_desc_sz; int max_qp_init_rdma; int max_qp_dest_rdma; + u32 *qp0_qkey; u32 *qp0_proxy; u32 *qp1_proxy; u32 *qp0_tunnel; @@ -449,7 +450,6 @@ struct mlx4_caps { int reserved_qps_base[MLX4_NUM_QP_REGION]; int log_num_macs; int log_num_vlans; - int log_num_prios; enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; u8 supported_type[MLX4_MAX_PORTS + 1]; u8 suggested_type[MLX4_MAX_PORTS + 1]; @@ -577,6 +577,9 @@ struct mlx4_cq { u32 cons_index; + u16 irq; + bool irq_affinity_change; + __be32 *set_ci_db; __be32 *arm_db; int arm_sn; @@ -837,7 +840,7 @@ static inline int mlx4_is_slave(struct mlx4_dev *dev) } int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, - struct mlx4_buf *buf); + struct mlx4_buf *buf, gfp_t gfp); void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) { @@ -874,9 +877,10 @@ int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw); int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list); int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, - struct mlx4_buf *buf); + struct mlx4_buf *buf, gfp_t gfp); -int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); +int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, + gfp_t gfp); void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, @@ -892,7 +896,8 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base); void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); -int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); +int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, + gfp_t gfp); void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp); int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn, @@ -1234,4 +1239,8 @@ int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port); int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port); int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port); +int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port); +int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port); +int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port, + int enable); #endif /* MLX4_DEVICE_H */ diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 93cef6313e72..2bce4aad2570 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -427,7 +427,6 @@ struct mlx5_core_mr { u64 size; u32 key; u32 pd; - u32 access; }; struct mlx5_core_srq { diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index b73027298b3a..d424b9de3aff 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -63,12 +63,12 @@ struct mmc_ext_csd { unsigned int power_off_longtime; /* Units: ms */ u8 power_off_notification; /* state */ unsigned int hs_max_dtr; + unsigned int hs200_max_dtr; #define MMC_HIGH_26_MAX_DTR 26000000 #define MMC_HIGH_52_MAX_DTR 52000000 #define MMC_HIGH_DDR_MAX_DTR 52000000 #define MMC_HS200_MAX_DTR 200000000 unsigned int sectors; - unsigned int card_type; unsigned int hc_erase_size; /* In sectors */ unsigned int hc_erase_timeout; /* In milliseconds */ unsigned int sec_trim_mult; /* Secure trim multiplier */ @@ -110,6 +110,7 @@ struct mmc_ext_csd { u8 raw_pwr_cl_200_360; /* 237 */ u8 raw_pwr_cl_ddr_52_195; /* 238 */ u8 raw_pwr_cl_ddr_52_360; /* 239 */ + u8 raw_pwr_cl_ddr_200_360; /* 253 */ u8 raw_bkops_status; /* 246 */ u8 raw_sectors[4]; /* 212 - 4 bytes */ @@ -194,6 +195,7 @@ struct sdio_cis { }; struct mmc_host; +struct mmc_ios; struct sdio_func; struct sdio_func_tuple; @@ -250,15 +252,11 @@ struct mmc_card { unsigned int state; /* (our) card state */ #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ #define MMC_STATE_READONLY (1<<1) /* card is read-only */ -#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ -#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ -#define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */ -#define MMC_STATE_ULTRAHIGHSPEED (1<<5) /* card is in ultra high speed mode */ -#define MMC_CARD_SDXC (1<<6) /* card is SDXC */ -#define MMC_CARD_REMOVED (1<<7) /* card has been removed */ -#define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */ -#define MMC_STATE_DOING_BKOPS (1<<10) /* card is doing BKOPS */ -#define MMC_STATE_SUSPENDED (1<<11) /* card is suspended */ +#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */ +#define MMC_CARD_SDXC (1<<3) /* card is SDXC */ +#define MMC_CARD_REMOVED (1<<4) /* card has been removed */ +#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */ +#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */ unsigned int quirks; /* card quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ @@ -301,6 +299,7 @@ struct mmc_card { struct sdio_func_tuple *tuples; /* unknown common tuples */ unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */ + unsigned int mmc_avail_type; /* supported device type by both host and card */ struct dentry *debugfs_root; struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */ @@ -353,7 +352,7 @@ struct mmc_fixup { #define CID_OEMID_ANY ((unsigned short) -1) #define CID_NAME_ANY (NULL) -#define END_FIXUP { 0 } +#define END_FIXUP { NULL } #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \ _cis_vendor, _cis_device, \ @@ -418,11 +417,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) -#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) -#define mmc_card_hs200(c) ((c)->state & MMC_STATE_HIGHSPEED_200) #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) -#define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR) -#define mmc_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS) @@ -430,11 +425,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) -#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) -#define mmc_card_set_hs200(c) ((c)->state |= MMC_STATE_HIGHSPEED_200) #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) -#define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR) -#define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS) diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 6ce7d2cd3c7a..babaea93bca6 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -248,20 +248,6 @@ struct dw_mci_board { /* delay in mS before detecting cards after interrupt */ u32 detect_delay_ms; - int (*init)(u32 slot_id, irq_handler_t , void *); - int (*get_ro)(u32 slot_id); - int (*get_cd)(u32 slot_id); - int (*get_ocr)(u32 slot_id); - int (*get_bus_wd)(u32 slot_id); - /* - * Enable power to selected slot and set voltage to desired level. - * Voltage levels are specified using MMC_VDD_xxx defines defined - * in linux/mmc/host.h file. - */ - void (*setpower)(u32 slot_id, u32 volt); - void (*exit)(u32 slot_id); - void (*select_slot)(u32 slot_id); - struct dw_mci_dma_ops *dma_ops; struct dma_pdata *data; struct block_settings *blk_settings; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index cb61ea4d6945..7960424d0bc0 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -17,6 +17,7 @@ #include <linux/fault-inject.h> #include <linux/mmc/core.h> +#include <linux/mmc/card.h> #include <linux/mmc/pm.h> struct mmc_ios { @@ -58,13 +59,9 @@ struct mmc_ios { #define MMC_TIMING_UHS_SDR50 5 #define MMC_TIMING_UHS_SDR104 6 #define MMC_TIMING_UHS_DDR50 7 -#define MMC_TIMING_MMC_HS200 8 - -#define MMC_SDR_MODE 0 -#define MMC_1_2V_DDR_MODE 1 -#define MMC_1_8V_DDR_MODE 2 -#define MMC_1_2V_SDR_MODE 3 -#define MMC_1_8V_SDR_MODE 4 +#define MMC_TIMING_MMC_DDR52 8 +#define MMC_TIMING_MMC_HS200 9 +#define MMC_TIMING_MMC_HS400 10 unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */ @@ -136,6 +133,9 @@ struct mmc_host_ops { /* The tuning command opcode value is different for SD and eMMC cards */ int (*execute_tuning)(struct mmc_host *host, u32 opcode); + + /* Prepare HS400 target operating frequency depending host driver */ + int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios); int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); void (*hw_reset)(struct mmc_host *host); void (*card_event)(struct mmc_host *host); @@ -278,6 +278,11 @@ struct mmc_host { #define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \ MMC_CAP2_PACKED_WR) #define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ +#define MMC_CAP2_HS400_1_8V (1 << 15) /* Can support HS400 1.8V */ +#define MMC_CAP2_HS400_1_2V (1 << 16) /* Can support HS400 1.2V */ +#define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \ + MMC_CAP2_HS400_1_2V) +#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17) mmc_pm_flag_t pm_caps; /* supported pm features */ @@ -318,6 +323,8 @@ struct mmc_host { int rescan_disable; /* disable card detection */ int rescan_entered; /* used with nonremovable devices */ + bool trigger_card_event; /* card_event necessary */ + struct mmc_card *card; /* device attached to this host */ wait_queue_head_t wq; @@ -391,12 +398,13 @@ static inline void mmc_signal_sdio_irq(struct mmc_host *host) wake_up_process(host->sdio_irq_thread); } +void sdio_run_irqs(struct mmc_host *host); + #ifdef CONFIG_REGULATOR int mmc_regulator_get_ocrmask(struct regulator *supply); int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit); -int mmc_regulator_get_supply(struct mmc_host *mmc); #else static inline int mmc_regulator_get_ocrmask(struct regulator *supply) { @@ -409,13 +417,10 @@ static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, { return 0; } - -static inline int mmc_regulator_get_supply(struct mmc_host *mmc) -{ - return 0; -} #endif +int mmc_regulator_get_supply(struct mmc_host *mmc); + int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *); static inline int mmc_card_is_removable(struct mmc_host *host) @@ -475,4 +480,32 @@ static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) return host->ios.clock; } #endif + +static inline int mmc_card_hs(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_SD_HS || + card->host->ios.timing == MMC_TIMING_MMC_HS; +} + +static inline int mmc_card_uhs(struct mmc_card *card) +{ + return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 && + card->host->ios.timing <= MMC_TIMING_UHS_DDR50; +} + +static inline bool mmc_card_hs200(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_HS200; +} + +static inline bool mmc_card_ddr52(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_DDR52; +} + +static inline bool mmc_card_hs400(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_HS400; +} + #endif /* LINUX_MMC_HOST_H */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 50bcde3677ca..64ec963ed347 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -325,6 +325,7 @@ struct _mmc_csd { #define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */ #define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */ #define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */ +#define EXT_CSD_PWR_CL_DDR_200_360 253 /* RO */ #define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */ #define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */ #define EXT_CSD_MAX_PACKED_WRITES 500 /* RO */ @@ -354,18 +355,25 @@ struct _mmc_csd { #define EXT_CSD_CMD_SET_SECURE (1<<1) #define EXT_CSD_CMD_SET_CPSECURE (1<<2) -#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */ -#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */ -#define EXT_CSD_CARD_TYPE_MASK 0x3F /* Mask out reserved bits */ +#define EXT_CSD_CARD_TYPE_HS_26 (1<<0) /* Card can run at 26MHz */ +#define EXT_CSD_CARD_TYPE_HS_52 (1<<1) /* Card can run at 52MHz */ +#define EXT_CSD_CARD_TYPE_HS (EXT_CSD_CARD_TYPE_HS_26 | \ + EXT_CSD_CARD_TYPE_HS_52) #define EXT_CSD_CARD_TYPE_DDR_1_8V (1<<2) /* Card can run at 52MHz */ /* DDR mode @1.8V or 3V I/O */ #define EXT_CSD_CARD_TYPE_DDR_1_2V (1<<3) /* Card can run at 52MHz */ /* DDR mode @1.2V I/O */ #define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \ | EXT_CSD_CARD_TYPE_DDR_1_2V) -#define EXT_CSD_CARD_TYPE_SDR_1_8V (1<<4) /* Card can run at 200MHz */ -#define EXT_CSD_CARD_TYPE_SDR_1_2V (1<<5) /* Card can run at 200MHz */ +#define EXT_CSD_CARD_TYPE_HS200_1_8V (1<<4) /* Card can run at 200MHz */ +#define EXT_CSD_CARD_TYPE_HS200_1_2V (1<<5) /* Card can run at 200MHz */ /* SDR mode @1.2V I/O */ +#define EXT_CSD_CARD_TYPE_HS200 (EXT_CSD_CARD_TYPE_HS200_1_8V | \ + EXT_CSD_CARD_TYPE_HS200_1_2V) +#define EXT_CSD_CARD_TYPE_HS400_1_8V (1<<6) /* Card can run at 200MHz DDR, 1.8V */ +#define EXT_CSD_CARD_TYPE_HS400_1_2V (1<<7) /* Card can run at 200MHz DDR, 1.2V */ +#define EXT_CSD_CARD_TYPE_HS400 (EXT_CSD_CARD_TYPE_HS400_1_8V | \ + EXT_CSD_CARD_TYPE_HS400_1_2V) #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ @@ -373,6 +381,11 @@ struct _mmc_csd { #define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */ #define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */ +#define EXT_CSD_TIMING_BC 0 /* Backwards compatility */ +#define EXT_CSD_TIMING_HS 1 /* High speed */ +#define EXT_CSD_TIMING_HS200 2 /* HS200 */ +#define EXT_CSD_TIMING_HS400 3 /* HS400 */ + #define EXT_CSD_SEC_ER_EN BIT(0) #define EXT_CSD_SEC_BD_BLK_EN BIT(2) #define EXT_CSD_SEC_GB_CL_EN BIT(4) diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index 7be12b883485..08abe9941884 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -57,12 +57,8 @@ struct sdhci_host { #define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) /* Controller reports inverted write-protect state */ #define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) -/* Controller has nonstandard clock management */ -#define SDHCI_QUIRK_NONSTANDARD_CLOCK (1<<17) /* Controller does not like fast PIO transfers */ #define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) -/* Controller losing signal/interrupt enable states after reset */ -#define SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET (1<<19) /* Controller has to be forced to use block size of 2048 bytes */ #define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20) /* Controller cannot do multi-block transfers */ @@ -147,6 +143,7 @@ struct sdhci_host { bool runtime_suspended; /* Host is runtime suspended */ bool bus_on; /* Bus power prevents runtime suspend */ + bool preset_enabled; /* Preset is enabled */ struct mmc_request *mrq; /* Current request */ struct mmc_command *cmd; /* Current command */ @@ -164,8 +161,7 @@ struct sdhci_host { dma_addr_t adma_addr; /* Mapped ADMA descr. table */ dma_addr_t align_addr; /* Mapped bounce buffer */ - struct tasklet_struct card_tasklet; /* Tasklet structures */ - struct tasklet_struct finish_tasklet; + struct tasklet_struct finish_tasklet; /* Tasklet structures */ struct timer_list timer; /* Timer for timeouts */ @@ -177,6 +173,13 @@ struct sdhci_host { unsigned int ocr_avail_mmc; u32 ocr_mask; /* available voltages */ + unsigned timing; /* Current timing */ + + u32 thread_isr; + + /* cached registers */ + u32 ier; + wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 204a67743804..b1990c5524e1 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -321,7 +321,7 @@ extern bool parameq(const char *name1, const char *name2); extern bool parameqn(const char *name1, const char *name2, size_t n); /* Called on module insert or kernel boot */ -extern int parse_args(const char *name, +extern char *parse_args(const char *name, char *args, const struct kernel_param *params, unsigned num, diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 450d61ec7f06..2f0af2891f0f 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -176,6 +176,11 @@ typedef enum { /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 /* + * This option could be defined by controller drivers to protect against + * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers + */ +#define NAND_USE_BOUNCE_BUFFER 0x00080000 +/* * Autodetect nand buswidth with readid/onfi. * This suppose the driver will configure the hardware in 8 bits mode * when calling nand_scan_ident, and update its configuration @@ -552,8 +557,7 @@ struct nand_buffers { * @ecc: [BOARDSPECIFIC] ECC control structure * @buffers: buffer structure for read/write * @hwcontrol: platform-specific hardware control structure - * @erase_cmd: [INTERN] erase command write function, selectable due - * to AND support. + * @erase: [REPLACEABLE] erase function * @scan_bbt: [REPLACEABLE] function to scan bad block table * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transferring * data from array to read regs (tR). @@ -637,7 +641,7 @@ struct nand_chip { void (*cmdfunc)(struct mtd_info *mtd, unsigned command, int column, int page_addr); int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this); - void (*erase_cmd)(struct mtd_info *mtd, int page); + int (*erase)(struct mtd_info *mtd, int page); int (*scan_bbt)(struct mtd_info *mtd); int (*errstat)(struct mtd_info *mtd, struct nand_chip *this, int state, int status, int page); diff --git a/include/linux/mtd/pfow.h b/include/linux/mtd/pfow.h index b730d4f84655..42ff7ff09bf5 100644 --- a/include/linux/mtd/pfow.h +++ b/include/linux/mtd/pfow.h @@ -101,9 +101,6 @@ static inline void send_pfow_command(struct map_info *map, unsigned long len, map_word *datum) { int bits_per_chip = map_bankwidth(map) * 8; - int chipnum; - struct lpddr_private *lpddr = map->fldrv_priv; - chipnum = adr >> lpddr->chipshift; map_write(map, CMD(cmd_code), map->pfow_base + PFOW_COMMAND_CODE); map_write(map, CMD(adr & ((1<<bits_per_chip) - 1)), diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h new file mode 100644 index 000000000000..53241842a7ab --- /dev/null +++ b/include/linux/mtd/spi-nor.h @@ -0,0 +1,214 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __LINUX_MTD_SPI_NOR_H +#define __LINUX_MTD_SPI_NOR_H + +/* + * Note on opcode nomenclature: some opcodes have a format like + * SPINOR_OP_FUNCTION{4,}_x_y_z. The numbers x, y, and z stand for the number + * of I/O lines used for the opcode, address, and data (respectively). The + * FUNCTION has an optional suffix of '4', to represent an opcode which + * requires a 4-byte (32-bit) address. + */ + +/* Flash opcodes. */ +#define SPINOR_OP_WREN 0x06 /* Write enable */ +#define SPINOR_OP_RDSR 0x05 /* Read status register */ +#define SPINOR_OP_WRSR 0x01 /* Write status register 1 byte */ +#define SPINOR_OP_READ 0x03 /* Read data bytes (low frequency) */ +#define SPINOR_OP_READ_FAST 0x0b /* Read data bytes (high frequency) */ +#define SPINOR_OP_READ_1_1_2 0x3b /* Read data bytes (Dual SPI) */ +#define SPINOR_OP_READ_1_1_4 0x6b /* Read data bytes (Quad SPI) */ +#define SPINOR_OP_PP 0x02 /* Page program (up to 256 bytes) */ +#define SPINOR_OP_BE_4K 0x20 /* Erase 4KiB block */ +#define SPINOR_OP_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips */ +#define SPINOR_OP_BE_32K 0x52 /* Erase 32KiB block */ +#define SPINOR_OP_CHIP_ERASE 0xc7 /* Erase whole flash chip */ +#define SPINOR_OP_SE 0xd8 /* Sector erase (usually 64KiB) */ +#define SPINOR_OP_RDID 0x9f /* Read JEDEC ID */ +#define SPINOR_OP_RDCR 0x35 /* Read configuration register */ + +/* 4-byte address opcodes - used on Spansion and some Macronix flashes. */ +#define SPINOR_OP_READ4 0x13 /* Read data bytes (low frequency) */ +#define SPINOR_OP_READ4_FAST 0x0c /* Read data bytes (high frequency) */ +#define SPINOR_OP_READ4_1_1_2 0x3c /* Read data bytes (Dual SPI) */ +#define SPINOR_OP_READ4_1_1_4 0x6c /* Read data bytes (Quad SPI) */ +#define SPINOR_OP_PP_4B 0x12 /* Page program (up to 256 bytes) */ +#define SPINOR_OP_SE_4B 0xdc /* Sector erase (usually 64KiB) */ + +/* Used for SST flashes only. */ +#define SPINOR_OP_BP 0x02 /* Byte program */ +#define SPINOR_OP_WRDI 0x04 /* Write disable */ +#define SPINOR_OP_AAI_WP 0xad /* Auto address increment word program */ + +/* Used for Macronix and Winbond flashes. */ +#define SPINOR_OP_EN4B 0xb7 /* Enter 4-byte mode */ +#define SPINOR_OP_EX4B 0xe9 /* Exit 4-byte mode */ + +/* Used for Spansion flashes only. */ +#define SPINOR_OP_BRWR 0x17 /* Bank register write */ + +/* Status Register bits. */ +#define SR_WIP 1 /* Write in progress */ +#define SR_WEL 2 /* Write enable latch */ +/* meaning of other SR_* bits may differ between vendors */ +#define SR_BP0 4 /* Block protect 0 */ +#define SR_BP1 8 /* Block protect 1 */ +#define SR_BP2 0x10 /* Block protect 2 */ +#define SR_SRWD 0x80 /* SR write protect */ + +#define SR_QUAD_EN_MX 0x40 /* Macronix Quad I/O */ + +/* Configuration Register bits. */ +#define CR_QUAD_EN_SPAN 0x2 /* Spansion Quad I/O */ + +enum read_mode { + SPI_NOR_NORMAL = 0, + SPI_NOR_FAST, + SPI_NOR_DUAL, + SPI_NOR_QUAD, +}; + +/** + * struct spi_nor_xfer_cfg - Structure for defining a Serial Flash transfer + * @wren: command for "Write Enable", or 0x00 for not required + * @cmd: command for operation + * @cmd_pins: number of pins to send @cmd (1, 2, 4) + * @addr: address for operation + * @addr_pins: number of pins to send @addr (1, 2, 4) + * @addr_width: number of address bytes + * (3,4, or 0 for address not required) + * @mode: mode data + * @mode_pins: number of pins to send @mode (1, 2, 4) + * @mode_cycles: number of mode cycles (0 for mode not required) + * @dummy_cycles: number of dummy cycles (0 for dummy not required) + */ +struct spi_nor_xfer_cfg { + u8 wren; + u8 cmd; + u8 cmd_pins; + u32 addr; + u8 addr_pins; + u8 addr_width; + u8 mode; + u8 mode_pins; + u8 mode_cycles; + u8 dummy_cycles; +}; + +#define SPI_NOR_MAX_CMD_SIZE 8 +enum spi_nor_ops { + SPI_NOR_OPS_READ = 0, + SPI_NOR_OPS_WRITE, + SPI_NOR_OPS_ERASE, + SPI_NOR_OPS_LOCK, + SPI_NOR_OPS_UNLOCK, +}; + +/** + * struct spi_nor - Structure for defining a the SPI NOR layer + * @mtd: point to a mtd_info structure + * @lock: the lock for the read/write/erase/lock/unlock operations + * @dev: point to a spi device, or a spi nor controller device. + * @page_size: the page size of the SPI NOR + * @addr_width: number of address bytes + * @erase_opcode: the opcode for erasing a sector + * @read_opcode: the read opcode + * @read_dummy: the dummy needed by the read operation + * @program_opcode: the program opcode + * @flash_read: the mode of the read + * @sst_write_second: used by the SST write operation + * @cfg: used by the read_xfer/write_xfer + * @cmd_buf: used by the write_reg + * @prepare: [OPTIONAL] do some preparations for the + * read/write/erase/lock/unlock operations + * @unprepare: [OPTIONAL] do some post work after the + * read/write/erase/lock/unlock operations + * @read_xfer: [OPTIONAL] the read fundamental primitive + * @write_xfer: [OPTIONAL] the writefundamental primitive + * @read_reg: [DRIVER-SPECIFIC] read out the register + * @write_reg: [DRIVER-SPECIFIC] write data to the register + * @read_id: [REPLACEABLE] read out the ID data, and find + * the proper spi_device_id + * @wait_till_ready: [REPLACEABLE] wait till the NOR becomes ready + * @read: [DRIVER-SPECIFIC] read data from the SPI NOR + * @write: [DRIVER-SPECIFIC] write data to the SPI NOR + * @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR + * at the offset @offs + * @priv: the private data + */ +struct spi_nor { + struct mtd_info *mtd; + struct mutex lock; + struct device *dev; + u32 page_size; + u8 addr_width; + u8 erase_opcode; + u8 read_opcode; + u8 read_dummy; + u8 program_opcode; + enum read_mode flash_read; + bool sst_write_second; + struct spi_nor_xfer_cfg cfg; + u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE]; + + int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops); + void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops); + int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg, + u8 *buf, size_t len); + int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg, + u8 *buf, size_t len); + int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len); + int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len, + int write_enable); + const struct spi_device_id *(*read_id)(struct spi_nor *nor); + int (*wait_till_ready)(struct spi_nor *nor); + + int (*read)(struct spi_nor *nor, loff_t from, + size_t len, size_t *retlen, u_char *read_buf); + void (*write)(struct spi_nor *nor, loff_t to, + size_t len, size_t *retlen, const u_char *write_buf); + int (*erase)(struct spi_nor *nor, loff_t offs); + + void *priv; +}; + +/** + * spi_nor_scan() - scan the SPI NOR + * @nor: the spi_nor structure + * @id: the spi_device_id provided by the driver + * @mode: the read mode supported by the driver + * + * The drivers can use this fuction to scan the SPI NOR. + * In the scanning, it will try to get all the necessary information to + * fill the mtd_info{} and the spi_nor{}. + * + * The board may assigns a spi_device_id with @id which be used to compared with + * the spi_device_id detected by the scanning. + * + * Return: 0 for success, others for failure. + */ +int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, + enum read_mode mode); +extern const struct spi_device_id spi_nor_ids[]; + +/** + * spi_nor_match_id() - find the spi_device_id by the name + * @name: the name of the spi_device_id + * + * The drivers use this function to find the spi_device_id + * specified by the @name. + * + * Return: returns the right spi_device_id pointer on success, + * and returns NULL on failure. + */ +const struct spi_device_id *spi_nor_match_id(char *name); + +#endif diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index c26d0ec2ef3a..d99800cbdcf3 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -42,9 +42,11 @@ enum { NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */ NETIF_F_FSO_BIT, /* ... FCoE segmentation */ NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */ + NETIF_F_GSO_GRE_CSUM_BIT, /* ... GRE with csum with TSO */ NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */ NETIF_F_GSO_SIT_BIT, /* ... SIT tunnel with TSO */ NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */ + NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */ NETIF_F_GSO_MPLS_BIT, /* ... MPLS segmentation */ /**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */ NETIF_F_GSO_MPLS_BIT, @@ -111,9 +113,11 @@ enum { #define NETIF_F_RXFCS __NETIF_F(RXFCS) #define NETIF_F_RXALL __NETIF_F(RXALL) #define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE) +#define NETIF_F_GSO_GRE_CSUM __NETIF_F(GSO_GRE_CSUM) #define NETIF_F_GSO_IPIP __NETIF_F(GSO_IPIP) #define NETIF_F_GSO_SIT __NETIF_F(GSO_SIT) #define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL) +#define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM) #define NETIF_F_GSO_MPLS __NETIF_F(GSO_MPLS) #define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER) #define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 6c1ae9fd9505..66f9a04ec270 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -56,9 +56,6 @@ struct device; struct phy_device; /* 802.11 specific */ struct wireless_dev; - /* source back-compat hooks */ -#define SET_ETHTOOL_OPS(netdev,ops) \ - ( (netdev)->ethtool_ops = (ops) ) void netdev_set_default_ethtool_ops(struct net_device *dev, const struct ethtool_ops *ops); @@ -853,7 +850,8 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, * SR-IOV management functions. * int (*ndo_set_vf_mac)(struct net_device *dev, int vf, u8* mac); * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan, u8 qos); - * int (*ndo_set_vf_tx_rate)(struct net_device *dev, int vf, int rate); + * int (*ndo_set_vf_rate)(struct net_device *dev, int vf, int min_tx_rate, + * int max_tx_rate); * int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting); * int (*ndo_get_vf_config)(struct net_device *dev, * int vf, struct ifla_vf_info *ivf); @@ -1047,8 +1045,9 @@ struct net_device_ops { int queue, u8 *mac); int (*ndo_set_vf_vlan)(struct net_device *dev, int queue, u16 vlan, u8 qos); - int (*ndo_set_vf_tx_rate)(struct net_device *dev, - int vf, int rate); + int (*ndo_set_vf_rate)(struct net_device *dev, + int vf, int min_tx_rate, + int max_tx_rate); int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting); int (*ndo_get_vf_config)(struct net_device *dev, @@ -2634,6 +2633,7 @@ int dev_get_phys_port_id(struct net_device *dev, struct netdev_phys_port_id *ppid); int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, struct netdev_queue *txq); +int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb); int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); bool is_skb_forwardable(struct net_device *dev, struct sk_buff *skb); @@ -3003,6 +3003,15 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr_list *from_list, int addr_len); void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr_list *from_list, int addr_len); +int __hw_addr_sync_dev(struct netdev_hw_addr_list *list, + struct net_device *dev, + int (*sync)(struct net_device *, const unsigned char *), + int (*unsync)(struct net_device *, + const unsigned char *)); +void __hw_addr_unsync_dev(struct netdev_hw_addr_list *list, + struct net_device *dev, + int (*unsync)(struct net_device *, + const unsigned char *)); void __hw_addr_init(struct netdev_hw_addr_list *list); /* Functions used for device addresses handling */ @@ -3023,6 +3032,38 @@ void dev_uc_unsync(struct net_device *to, struct net_device *from); void dev_uc_flush(struct net_device *dev); void dev_uc_init(struct net_device *dev); +/** + * __dev_uc_sync - Synchonize device's unicast list + * @dev: device to sync + * @sync: function to call if address should be added + * @unsync: function to call if address should be removed + * + * Add newly added addresses to the interface, and release + * addresses that have been deleted. + **/ +static inline int __dev_uc_sync(struct net_device *dev, + int (*sync)(struct net_device *, + const unsigned char *), + int (*unsync)(struct net_device *, + const unsigned char *)) +{ + return __hw_addr_sync_dev(&dev->uc, dev, sync, unsync); +} + +/** + * __dev_uc_unsync - Remove synchonized addresses from device + * @dev: device to sync + * @unsync: function to call if address should be removed + * + * Remove all addresses that were added to the device by dev_uc_sync(). + **/ +static inline void __dev_uc_unsync(struct net_device *dev, + int (*unsync)(struct net_device *, + const unsigned char *)) +{ + __hw_addr_unsync_dev(&dev->uc, dev, unsync); +} + /* Functions used for multicast addresses handling */ int dev_mc_add(struct net_device *dev, const unsigned char *addr); int dev_mc_add_global(struct net_device *dev, const unsigned char *addr); @@ -3035,6 +3076,38 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from); void dev_mc_flush(struct net_device *dev); void dev_mc_init(struct net_device *dev); +/** + * __dev_mc_sync - Synchonize device's multicast list + * @dev: device to sync + * @sync: function to call if address should be added + * @unsync: function to call if address should be removed + * + * Add newly added addresses to the interface, and release + * addresses that have been deleted. + **/ +static inline int __dev_mc_sync(struct net_device *dev, + int (*sync)(struct net_device *, + const unsigned char *), + int (*unsync)(struct net_device *, + const unsigned char *)) +{ + return __hw_addr_sync_dev(&dev->mc, dev, sync, unsync); +} + +/** + * __dev_mc_unsync - Remove synchonized addresses from device + * @dev: device to sync + * @unsync: function to call if address should be removed + * + * Remove all addresses that were added to the device by dev_mc_sync(). + **/ +static inline void __dev_mc_unsync(struct net_device *dev, + int (*unsync)(struct net_device *, + const unsigned char *)) +{ + __hw_addr_unsync_dev(&dev->mc, dev, unsync); +} + /* Functions used for secondary unicast and multicast support */ void dev_set_rx_mode(struct net_device *dev); void __dev_set_rx_mode(struct net_device *dev); @@ -3180,6 +3253,20 @@ const char *netdev_drivername(const struct net_device *dev); void linkwatch_run_queue(void); +static inline netdev_features_t netdev_intersect_features(netdev_features_t f1, + netdev_features_t f2) +{ + if (f1 & NETIF_F_GEN_CSUM) + f1 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); + if (f2 & NETIF_F_GEN_CSUM) + f2 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); + f1 &= f2; + if (f1 & NETIF_F_GEN_CSUM) + f1 &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); + + return f1; +} + static inline netdev_features_t netdev_get_wanted_features( struct net_device *dev) { @@ -3218,6 +3305,13 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type) BUILD_BUG_ON(SKB_GSO_TCP_ECN != (NETIF_F_TSO_ECN >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_TCPV6 != (NETIF_F_TSO6 >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_FCOE != (NETIF_F_FSO >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_GRE != (NETIF_F_GSO_GRE >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_GRE_CSUM != (NETIF_F_GSO_GRE_CSUM >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_IPIP != (NETIF_F_GSO_IPIP >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_SIT != (NETIF_F_GSO_SIT >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL != (NETIF_F_GSO_UDP_TUNNEL >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL_CSUM != (NETIF_F_GSO_UDP_TUNNEL_CSUM >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_MPLS != (NETIF_F_GSO_MPLS >> NETIF_F_GSO_SHIFT)); return (features & feature) == feature; } diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h index b2e85e59f760..6ec975748742 100644 --- a/include/linux/netfilter/nfnetlink_acct.h +++ b/include/linux/netfilter/nfnetlink_acct.h @@ -3,11 +3,17 @@ #include <uapi/linux/netfilter/nfnetlink_acct.h> +enum { + NFACCT_NO_QUOTA = -1, + NFACCT_UNDERQUOTA, + NFACCT_OVERQUOTA, +}; struct nf_acct; struct nf_acct *nfnl_acct_find_get(const char *filter_name); void nfnl_acct_put(struct nf_acct *acct); void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct); - +extern int nfnl_acct_overquota(const struct sk_buff *skb, + struct nf_acct *nfacct); #endif /* _NFNL_ACCT_H */ diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 034cda789a15..9e572daa15d5 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -46,7 +46,8 @@ struct netlink_kernel_cfg { unsigned int flags; void (*input)(struct sk_buff *skb); struct mutex *cb_mutex; - void (*bind)(int group); + int (*bind)(int group); + void (*unbind)(int group); bool (*compare)(struct net *net, struct sock *sk); }; diff --git a/include/linux/nfs.h b/include/linux/nfs.h index 3e794c12e90a..610af5155ef2 100644 --- a/include/linux/nfs.h +++ b/include/linux/nfs.h @@ -46,6 +46,9 @@ static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *sourc enum nfs3_stable_how { NFS_UNSTABLE = 0, NFS_DATA_SYNC = 1, - NFS_FILE_SYNC = 2 + NFS_FILE_SYNC = 2, + + /* used by direct.c to mark verf as invalid */ + NFS_INVALID_STABLE_HOW = -1 }; #endif /* _LINUX_NFS_H */ diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 12c2cb947df5..a1e3064a8d99 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -399,8 +399,6 @@ enum lock_type4 { #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) -#define FATTR4_WORD2_CHANGE_SECURITY_LABEL \ - (1UL << 17) /* MDS threshold bitmap bits */ #define THRESHOLD_RD (1UL << 0) diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index fa6918b0f829..e30f6059ecd6 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -459,13 +459,12 @@ extern int nfs3_removexattr (struct dentry *, const char *name); /* * linux/fs/nfs/direct.c */ -extern ssize_t nfs_direct_IO(int, struct kiocb *, const struct iovec *, loff_t, - unsigned long); +extern ssize_t nfs_direct_IO(int, struct kiocb *, struct iov_iter *, loff_t); extern ssize_t nfs_file_direct_read(struct kiocb *iocb, - const struct iovec *iov, unsigned long nr_segs, + struct iov_iter *iter, loff_t pos, bool uio); extern ssize_t nfs_file_direct_write(struct kiocb *iocb, - const struct iovec *iov, unsigned long nr_segs, + struct iov_iter *iter, loff_t pos, bool uio); /* @@ -520,7 +519,6 @@ extern int nfs_writepage(struct page *page, struct writeback_control *wbc); extern int nfs_writepages(struct address_space *, struct writeback_control *); extern int nfs_flush_incompatible(struct file *file, struct page *page); extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int); -extern void nfs_writeback_done(struct rpc_task *, struct nfs_write_data *); /* * Try to write back everything synchronously (but check the @@ -553,7 +551,6 @@ nfs_have_writebacks(struct inode *inode) extern int nfs_readpage(struct file *, struct page *); extern int nfs_readpages(struct file *, struct address_space *, struct list_head *, unsigned); -extern int nfs_readpage_result(struct rpc_task *, struct nfs_read_data *); extern int nfs_readpage_async(struct nfs_open_context *, struct inode *, struct page *); diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 92ce5783b707..7d9096d95d4a 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -22,12 +22,17 @@ * Valid flags for a dirty buffer */ enum { - PG_BUSY = 0, - PG_MAPPED, - PG_CLEAN, - PG_NEED_COMMIT, - PG_NEED_RESCHED, - PG_COMMIT_TO_DS, + PG_BUSY = 0, /* nfs_{un}lock_request */ + PG_MAPPED, /* page private set for buffered io */ + PG_CLEAN, /* write succeeded */ + PG_COMMIT_TO_DS, /* used by pnfs layouts */ + PG_INODE_REF, /* extra ref held by inode (head req only) */ + PG_HEADLOCK, /* page group lock of wb_head */ + PG_TEARDOWN, /* page group sync for destroy */ + PG_UNLOCKPAGE, /* page group sync bit in read path */ + PG_UPTODATE, /* page group sync bit in read path */ + PG_WB_END, /* page group sync bit in write path */ + PG_REMOVE, /* page group sync bit in write path */ }; struct nfs_inode; @@ -43,15 +48,29 @@ struct nfs_page { struct kref wb_kref; /* reference count */ unsigned long wb_flags; struct nfs_write_verifier wb_verf; /* Commit cookie */ + struct nfs_page *wb_this_page; /* list of reqs for this page */ + struct nfs_page *wb_head; /* head pointer for req list */ }; struct nfs_pageio_descriptor; struct nfs_pageio_ops { void (*pg_init)(struct nfs_pageio_descriptor *, struct nfs_page *); - bool (*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *, struct nfs_page *); + size_t (*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *, + struct nfs_page *); int (*pg_doio)(struct nfs_pageio_descriptor *); }; +struct nfs_rw_ops { + const fmode_t rw_mode; + struct nfs_rw_header *(*rw_alloc_header)(void); + void (*rw_free_header)(struct nfs_rw_header *); + void (*rw_release)(struct nfs_pgio_data *); + int (*rw_done)(struct rpc_task *, struct nfs_pgio_data *, struct inode *); + void (*rw_result)(struct rpc_task *, struct nfs_pgio_data *); + void (*rw_initiate)(struct nfs_pgio_data *, struct rpc_message *, + struct rpc_task_setup *, int); +}; + struct nfs_pageio_descriptor { struct list_head pg_list; unsigned long pg_bytes_written; @@ -63,6 +82,7 @@ struct nfs_pageio_descriptor { struct inode *pg_inode; const struct nfs_pageio_ops *pg_ops; + const struct nfs_rw_ops *pg_rw_ops; int pg_ioflags; int pg_error; const struct rpc_call_ops *pg_rpc_callops; @@ -75,29 +95,33 @@ struct nfs_pageio_descriptor { #define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags)) extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx, - struct inode *inode, struct page *page, + struct nfs_page *last, unsigned int offset, unsigned int count); -extern void nfs_release_request(struct nfs_page *req); +extern void nfs_release_request(struct nfs_page *); extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, struct inode *inode, const struct nfs_pageio_ops *pg_ops, const struct nfs_pgio_completion_ops *compl_ops, + const struct nfs_rw_ops *rw_ops, size_t bsize, int how); extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *, struct nfs_page *); extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc); extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t); -extern bool nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, +extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, struct nfs_page *prev, struct nfs_page *req); extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); -extern void nfs_unlock_and_release_request(struct nfs_page *req); +extern void nfs_unlock_and_release_request(struct nfs_page *); +extern void nfs_page_group_lock(struct nfs_page *); +extern void nfs_page_group_unlock(struct nfs_page *); +extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int); /* * Lock the page of an asynchronous request diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 6fb5b2335b59..9a1396e70310 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -489,31 +489,21 @@ struct nfs4_delegreturnres { }; /* - * Arguments to the read call. + * Arguments to the write call. */ -struct nfs_readargs { - struct nfs4_sequence_args seq_args; - struct nfs_fh * fh; - struct nfs_open_context *context; - struct nfs_lock_context *lock_context; - nfs4_stateid stateid; - __u64 offset; - __u32 count; - unsigned int pgbase; - struct page ** pages; +struct nfs_write_verifier { + char data[8]; }; -struct nfs_readres { - struct nfs4_sequence_res seq_res; - struct nfs_fattr * fattr; - __u32 count; - int eof; +struct nfs_writeverf { + struct nfs_write_verifier verifier; + enum nfs3_stable_how committed; }; /* - * Arguments to the write call. + * Arguments shared by the read and write call. */ -struct nfs_writeargs { +struct nfs_pgio_args { struct nfs4_sequence_args seq_args; struct nfs_fh * fh; struct nfs_open_context *context; @@ -521,27 +511,20 @@ struct nfs_writeargs { nfs4_stateid stateid; __u64 offset; __u32 count; - enum nfs3_stable_how stable; unsigned int pgbase; struct page ** pages; - const u32 * bitmask; -}; - -struct nfs_write_verifier { - char data[8]; + const u32 * bitmask; /* used by write */ + enum nfs3_stable_how stable; /* used by write */ }; -struct nfs_writeverf { - struct nfs_write_verifier verifier; - enum nfs3_stable_how committed; -}; - -struct nfs_writeres { +struct nfs_pgio_res { struct nfs4_sequence_res seq_res; struct nfs_fattr * fattr; - struct nfs_writeverf * verf; __u32 count; - const struct nfs_server *server; + int eof; /* used by read */ + struct nfs_writeverf * verf; /* used by write */ + const struct nfs_server *server; /* used by write */ + }; /* @@ -1129,6 +1112,7 @@ struct pnfs_commit_bucket { struct list_head committing; struct pnfs_layout_segment *wlseg; struct pnfs_layout_segment *clseg; + struct nfs_writeverf direct_verf; }; struct pnfs_ds_commit_info { @@ -1264,20 +1248,6 @@ struct nfs_page_array { struct page *page_array[NFS_PAGEVEC_SIZE]; }; -struct nfs_read_data { - struct nfs_pgio_header *header; - struct list_head list; - struct rpc_task task; - struct nfs_fattr fattr; /* fattr storage */ - struct nfs_readargs args; - struct nfs_readres res; - unsigned long timestamp; /* For lease renewal */ - int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data); - __u64 mds_offset; - struct nfs_page_array pages; - struct nfs_client *ds_clp; /* pNFS data server */ -}; - /* used as flag bits in nfs_pgio_header */ enum { NFS_IOHDR_ERROR = 0, @@ -1287,19 +1257,22 @@ enum { NFS_IOHDR_NEED_RESCHED, }; +struct nfs_pgio_data; + struct nfs_pgio_header { struct inode *inode; struct rpc_cred *cred; struct list_head pages; - struct list_head rpc_list; + struct nfs_pgio_data *data; atomic_t refcnt; struct nfs_page *req; - struct nfs_writeverf *verf; + struct nfs_writeverf verf; /* Used for writes */ struct pnfs_layout_segment *lseg; loff_t io_start; const struct rpc_call_ops *mds_ops; void (*release) (struct nfs_pgio_header *hdr); const struct nfs_pgio_completion_ops *completion_ops; + const struct nfs_rw_ops *rw_ops; struct nfs_direct_req *dreq; void *layout_private; spinlock_t lock; @@ -1310,30 +1283,24 @@ struct nfs_pgio_header { unsigned long flags; }; -struct nfs_read_header { - struct nfs_pgio_header header; - struct nfs_read_data rpc_data; -}; - -struct nfs_write_data { +struct nfs_pgio_data { struct nfs_pgio_header *header; - struct list_head list; struct rpc_task task; struct nfs_fattr fattr; - struct nfs_writeverf verf; - struct nfs_writeargs args; /* argument struct */ - struct nfs_writeres res; /* result struct */ + struct nfs_writeverf verf; /* Used for writes */ + struct nfs_pgio_args args; /* argument struct */ + struct nfs_pgio_res res; /* result struct */ unsigned long timestamp; /* For lease renewal */ - int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); + int (*pgio_done_cb) (struct rpc_task *task, struct nfs_pgio_data *data); __u64 mds_offset; /* Filelayout dense stripe */ struct nfs_page_array pages; struct nfs_client *ds_clp; /* pNFS data server */ + int ds_idx; /* ds index if ds_clp is set */ }; -struct nfs_write_header { +struct nfs_rw_header { struct nfs_pgio_header header; - struct nfs_write_data rpc_data; - struct nfs_writeverf verf; + struct nfs_pgio_data rpc_data; }; struct nfs_mds_commit_info { @@ -1465,16 +1432,11 @@ struct nfs_rpc_ops { struct nfs_pathconf *); int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); - void (*read_setup) (struct nfs_read_data *, struct rpc_message *); - void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, - const struct nfs_pgio_completion_ops *); - int (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *); - int (*read_done) (struct rpc_task *, struct nfs_read_data *); - void (*write_setup) (struct nfs_write_data *, struct rpc_message *); - void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int, - const struct nfs_pgio_completion_ops *); - int (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *); - int (*write_done) (struct rpc_task *, struct nfs_write_data *); + int (*pgio_rpc_prepare)(struct rpc_task *, struct nfs_pgio_data *); + void (*read_setup) (struct nfs_pgio_data *, struct rpc_message *); + int (*read_done) (struct rpc_task *, struct nfs_pgio_data *); + void (*write_setup) (struct nfs_pgio_data *, struct rpc_message *); + int (*write_done) (struct rpc_task *, struct nfs_pgio_data *); void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); diff --git a/include/linux/nfsd/debug.h b/include/linux/nfsd/debug.h deleted file mode 100644 index 19ef8375b577..000000000000 --- a/include/linux/nfsd/debug.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * linux/include/linux/nfsd/debug.h - * - * Debugging-related stuff for nfsd - * - * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de> - */ -#ifndef LINUX_NFSD_DEBUG_H -#define LINUX_NFSD_DEBUG_H - -#include <uapi/linux/nfsd/debug.h> - -# undef ifdebug -# ifdef NFSD_DEBUG -# define ifdebug(flag) if (nfsd_debug & NFSDDBG_##flag) -# else -# define ifdebug(flag) if (0) -# endif -#endif /* LINUX_NFSD_DEBUG_H */ diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h deleted file mode 100644 index 7898c997dfea..000000000000 --- a/include/linux/nfsd/export.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * include/linux/nfsd/export.h - * - * Public declarations for NFS exports. The definitions for the - * syscall interface are in nfsctl.h - * - * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> - */ -#ifndef NFSD_EXPORT_H -#define NFSD_EXPORT_H - -# include <linux/nfsd/nfsfh.h> -#include <uapi/linux/nfsd/export.h> - -/* - * FS Locations - */ - -#define MAX_FS_LOCATIONS 128 - -struct nfsd4_fs_location { - char *hosts; /* colon separated list of hosts */ - char *path; /* slash separated list of path components */ -}; - -struct nfsd4_fs_locations { - uint32_t locations_count; - struct nfsd4_fs_location *locations; -/* If we're not actually serving this data ourselves (only providing a - * list of replicas that do serve it) then we set "migrated": */ - int migrated; -}; - -/* - * We keep an array of pseudoflavors with the export, in order from most - * to least preferred. For the foreseeable future, we don't expect more - * than the eight pseudoflavors null, unix, krb5, krb5i, krb5p, skpm3, - * spkm3i, and spkm3p (and using all 8 at once should be rare). - */ -#define MAX_SECINFO_LIST 8 - -struct exp_flavor_info { - u32 pseudoflavor; - u32 flags; -}; - -struct svc_export { - struct cache_head h; - struct auth_domain * ex_client; - int ex_flags; - struct path ex_path; - kuid_t ex_anon_uid; - kgid_t ex_anon_gid; - int ex_fsid; - unsigned char * ex_uuid; /* 16 byte fsid */ - struct nfsd4_fs_locations ex_fslocs; - int ex_nflavors; - struct exp_flavor_info ex_flavors[MAX_SECINFO_LIST]; - struct cache_detail *cd; -}; - -/* an "export key" (expkey) maps a filehandlefragement to an - * svc_export for a given client. There can be several per export, - * for the different fsid types. - */ -struct svc_expkey { - struct cache_head h; - - struct auth_domain * ek_client; - int ek_fsidtype; - u32 ek_fsid[6]; - - struct path ek_path; -}; - -#define EX_ISSYNC(exp) (!((exp)->ex_flags & NFSEXP_ASYNC)) -#define EX_NOHIDE(exp) ((exp)->ex_flags & NFSEXP_NOHIDE) -#define EX_WGATHER(exp) ((exp)->ex_flags & NFSEXP_GATHERED_WRITES) - -int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp); -__be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp); - -/* - * Function declarations - */ -int nfsd_export_init(struct net *); -void nfsd_export_shutdown(struct net *); -void nfsd_export_flush(struct net *); -struct svc_export * rqst_exp_get_by_name(struct svc_rqst *, - struct path *); -struct svc_export * rqst_exp_parent(struct svc_rqst *, - struct path *); -struct svc_export * rqst_find_fsidzero_export(struct svc_rqst *); -int exp_rootfh(struct net *, struct auth_domain *, - char *path, struct knfsd_fh *, int maxsize); -__be32 exp_pseudoroot(struct svc_rqst *, struct svc_fh *); -__be32 nfserrno(int errno); - -static inline void exp_put(struct svc_export *exp) -{ - cache_put(&exp->h, exp->cd); -} - -static inline void exp_get(struct svc_export *exp) -{ - cache_get(&exp->h); -} -struct svc_export * rqst_exp_find(struct svc_rqst *, int, u32 *); - -#endif /* NFSD_EXPORT_H */ diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h deleted file mode 100644 index a93593f1fa4e..000000000000 --- a/include/linux/nfsd/nfsfh.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * include/linux/nfsd/nfsfh.h - * - * This file describes the layout of the file handles as passed - * over the wire. - * - * Earlier versions of knfsd used to sign file handles using keyed MD5 - * or SHA. I've removed this code, because it doesn't give you more - * security than blocking external access to port 2049 on your firewall. - * - * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de> - */ -#ifndef _LINUX_NFSD_FH_H -#define _LINUX_NFSD_FH_H - -# include <linux/sunrpc/svc.h> -#include <uapi/linux/nfsd/nfsfh.h> - -static inline __u32 ino_t_to_u32(ino_t ino) -{ - return (__u32) ino; -} - -static inline ino_t u32_to_ino_t(__u32 uino) -{ - return (ino_t) uino; -} - -/* - * This is the internal representation of an NFS handle used in knfsd. - * pre_mtime/post_version will be used to support wcc_attr's in NFSv3. - */ -typedef struct svc_fh { - struct knfsd_fh fh_handle; /* FH data */ - struct dentry * fh_dentry; /* validated dentry */ - struct svc_export * fh_export; /* export pointer */ - int fh_maxsize; /* max size for fh_handle */ - - unsigned char fh_locked; /* inode locked by us */ - unsigned char fh_want_write; /* remount protection taken */ - -#ifdef CONFIG_NFSD_V3 - unsigned char fh_post_saved; /* post-op attrs saved */ - unsigned char fh_pre_saved; /* pre-op attrs saved */ - - /* Pre-op attributes saved during fh_lock */ - __u64 fh_pre_size; /* size before operation */ - struct timespec fh_pre_mtime; /* mtime before oper */ - struct timespec fh_pre_ctime; /* ctime before oper */ - /* - * pre-op nfsv4 change attr: note must check IS_I_VERSION(inode) - * to find out if it is valid. - */ - u64 fh_pre_change; - - /* Post-op attributes saved in fh_unlock */ - struct kstat fh_post_attr; /* full attrs after operation */ - u64 fh_post_change; /* nfsv4 change; see above */ -#endif /* CONFIG_NFSD_V3 */ - -} svc_fh; - -#endif /* _LINUX_NFSD_FH_H */ diff --git a/include/linux/nfsd/stats.h b/include/linux/nfsd/stats.h deleted file mode 100644 index e75b2544ff12..000000000000 --- a/include/linux/nfsd/stats.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * linux/include/linux/nfsd/stats.h - * - * Statistics for NFS server. - * - * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> - */ -#ifndef LINUX_NFSD_STATS_H -#define LINUX_NFSD_STATS_H - -#include <uapi/linux/nfsd/stats.h> - - -struct nfsd_stats { - unsigned int rchits; /* repcache hits */ - unsigned int rcmisses; /* repcache hits */ - unsigned int rcnocache; /* uncached reqs */ - unsigned int fh_stale; /* FH stale error */ - unsigned int fh_lookup; /* dentry cached */ - unsigned int fh_anon; /* anon file dentry returned */ - unsigned int fh_nocache_dir; /* filehandle not found in dcache */ - unsigned int fh_nocache_nondir; /* filehandle not found in dcache */ - unsigned int io_read; /* bytes returned to read requests */ - unsigned int io_write; /* bytes passed in write requests */ - unsigned int th_cnt; /* number of available threads */ - unsigned int th_usage[10]; /* number of ticks during which n perdeciles - * of available threads were in use */ - unsigned int th_fullcnt; /* number of times last free thread was used */ - unsigned int ra_size; /* size of ra cache */ - unsigned int ra_depth[11]; /* number of times ra entry was found that deep - * in the cache (10percentiles). [10] = not found */ -#ifdef CONFIG_NFSD_V4 - unsigned int nfs4_opcount[LAST_NFS4_OP + 1]; /* count of individual nfsv4 operations */ -#endif - -}; - - -extern struct nfsd_stats nfsdstats; -extern struct svc_stat nfsd_svcstats; - -void nfsd_stat_init(void); -void nfsd_stat_shutdown(void); - -#endif /* LINUX_NFSD_STATS_H */ diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h index c8d7f3965fff..20163b9a0eae 100644 --- a/include/linux/nl802154.h +++ b/include/linux/nl802154.h @@ -80,6 +80,22 @@ enum { IEEE802154_ATTR_FRAME_RETRIES, + IEEE802154_ATTR_LLSEC_ENABLED, + IEEE802154_ATTR_LLSEC_SECLEVEL, + IEEE802154_ATTR_LLSEC_KEY_MODE, + IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT, + IEEE802154_ATTR_LLSEC_KEY_SOURCE_EXTENDED, + IEEE802154_ATTR_LLSEC_KEY_ID, + IEEE802154_ATTR_LLSEC_FRAME_COUNTER, + IEEE802154_ATTR_LLSEC_KEY_BYTES, + IEEE802154_ATTR_LLSEC_KEY_USAGE_FRAME_TYPES, + IEEE802154_ATTR_LLSEC_KEY_USAGE_COMMANDS, + IEEE802154_ATTR_LLSEC_FRAME_TYPE, + IEEE802154_ATTR_LLSEC_CMD_FRAME_ID, + IEEE802154_ATTR_LLSEC_SECLEVELS, + IEEE802154_ATTR_LLSEC_DEV_OVERRIDE, + IEEE802154_ATTR_LLSEC_DEV_KEY_MODE, + __IEEE802154_ATTR_MAX, }; @@ -134,6 +150,21 @@ enum { IEEE802154_SET_MACPARAMS, + IEEE802154_LLSEC_GETPARAMS, + IEEE802154_LLSEC_SETPARAMS, + IEEE802154_LLSEC_LIST_KEY, + IEEE802154_LLSEC_ADD_KEY, + IEEE802154_LLSEC_DEL_KEY, + IEEE802154_LLSEC_LIST_DEV, + IEEE802154_LLSEC_ADD_DEV, + IEEE802154_LLSEC_DEL_DEV, + IEEE802154_LLSEC_LIST_DEVKEY, + IEEE802154_LLSEC_ADD_DEVKEY, + IEEE802154_LLSEC_DEL_DEVKEY, + IEEE802154_LLSEC_LIST_SECLEVEL, + IEEE802154_LLSEC_ADD_SECLEVEL, + IEEE802154_LLSEC_DEL_SECLEVEL, + __IEEE802154_CMD_MAX, }; diff --git a/include/linux/nmi.h b/include/linux/nmi.h index 6a45fb583ff1..447775ee2c4b 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -32,15 +32,24 @@ static inline void touch_nmi_watchdog(void) #ifdef arch_trigger_all_cpu_backtrace static inline bool trigger_all_cpu_backtrace(void) { - arch_trigger_all_cpu_backtrace(); + arch_trigger_all_cpu_backtrace(true); return true; } +static inline bool trigger_allbutself_cpu_backtrace(void) +{ + arch_trigger_all_cpu_backtrace(false); + return true; +} #else static inline bool trigger_all_cpu_backtrace(void) { return false; } +static inline bool trigger_allbutself_cpu_backtrace(void) +{ + return false; +} #endif #ifdef CONFIG_LOCKUP_DETECTOR @@ -48,6 +57,7 @@ int hw_nmi_is_cpu_stuck(struct pt_regs *); u64 hw_nmi_get_sample_period(int watchdog_thresh); extern int watchdog_user_enabled; extern int watchdog_thresh; +extern int sysctl_softlockup_all_cpu_backtrace; struct ctl_table; extern int proc_dowatchdog(struct ctl_table *, int , void __user *, size_t *, loff_t *); diff --git a/include/linux/nvme.h b/include/linux/nvme.h index a50173ca1d72..2bf403195c09 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -1,6 +1,6 @@ /* * Definitions for the NVM Express interface - * Copyright (c) 2011-2013, Intel Corporation. + * Copyright (c) 2011-2014, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -10,10 +10,6 @@ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _LINUX_NVME_H @@ -66,8 +62,8 @@ enum { #define NVME_VS(major, minor) (major << 16 | minor) -extern unsigned char io_timeout; -#define NVME_IO_TIMEOUT (io_timeout * HZ) +extern unsigned char nvme_io_timeout; +#define NVME_IO_TIMEOUT (nvme_io_timeout * HZ) /* * Represents an NVM Express device. Each nvme_dev is a PCI function. @@ -94,7 +90,7 @@ struct nvme_dev { struct miscdevice miscdev; work_func_t reset_workfn; struct work_struct reset_work; - struct notifier_block nb; + struct work_struct cpu_work; char name[12]; char serial[20]; char model[40]; @@ -103,6 +99,7 @@ struct nvme_dev { u32 stripe_size; u16 oncs; u16 abort_limit; + u8 vwc; u8 initialized; }; @@ -159,7 +156,6 @@ struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write, void nvme_unmap_user_pages(struct nvme_dev *dev, int write, struct nvme_iod *iod); int nvme_submit_io_cmd(struct nvme_dev *, struct nvme_command *, u32 *); -int nvme_submit_flush_data(struct nvme_queue *nvmeq, struct nvme_ns *ns); int nvme_submit_admin_cmd(struct nvme_dev *, struct nvme_command *, u32 *result); int nvme_identify(struct nvme_dev *, unsigned nsid, unsigned cns, diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index 881a7c3571f4..a70c9493d55a 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -22,12 +22,12 @@ extern struct phy_device *of_phy_connect(struct net_device *dev, struct phy_device *of_phy_attach(struct net_device *dev, struct device_node *phy_np, u32 flags, phy_interface_t iface); -extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, - void (*hndlr)(struct net_device *), - phy_interface_t iface); extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); +extern void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev); + #else /* CONFIG_OF */ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) { @@ -59,17 +59,30 @@ static inline struct phy_device *of_phy_attach(struct net_device *dev, return NULL; } -static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, - void (*hndlr)(struct net_device *), - phy_interface_t iface) +static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) { return NULL; } -static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) +static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) { - return NULL; } #endif /* CONFIG_OF */ +#if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY) +extern int of_phy_register_fixed_link(struct device_node *np); +extern bool of_phy_is_fixed_link(struct device_node *np); +#else +static inline int of_phy_register_fixed_link(struct device_node *np) +{ + return -ENOSYS; +} +static inline bool of_phy_is_fixed_link(struct device_node *np) +{ + return false; +} +#endif + + #endif /* __LINUX_OF_MDIO_H */ diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index c29a6dee6bec..88e6ea4a5d36 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -1,23 +1,6 @@ -/* - * OMAP DMA Engine support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ #ifndef __LINUX_OMAP_DMA_H #define __LINUX_OMAP_DMA_H - -struct dma_chan; - -#if defined(CONFIG_DMA_OMAP) || (defined(CONFIG_DMA_OMAP_MODULE) && defined(MODULE)) -bool omap_dma_filter_fn(struct dma_chan *, void *); -#else -static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d) -{ - return false; -} -#endif +#include <linux/omap-dmaengine.h> /* * Legacy OMAP DMA handling defines and functions diff --git a/include/linux/omap-dmaengine.h b/include/linux/omap-dmaengine.h new file mode 100644 index 000000000000..8e6906c72e90 --- /dev/null +++ b/include/linux/omap-dmaengine.h @@ -0,0 +1,21 @@ +/* + * OMAP DMA Engine support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __LINUX_OMAP_DMAENGINE_H +#define __LINUX_OMAP_DMAENGINE_H + +struct dma_chan; + +#if defined(CONFIG_DMA_OMAP) || (defined(CONFIG_DMA_OMAP_MODULE) && defined(MODULE)) +bool omap_dma_filter_fn(struct dma_chan *, void *); +#else +static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d) +{ + return false; +} +#endif +#endif /* __LINUX_OMAP_DMAENGINE_H */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 3c545b48aeab..8304959ad336 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -360,6 +360,9 @@ static inline void ClearPageCompound(struct page *page) ClearPageHead(page); } #endif + +#define PG_head_mask ((1L << PG_head)) + #else /* * Reduce page flag use as much as possible by overlapping diff --git a/include/linux/pci.h b/include/linux/pci.h index 71d9673c1b2c..466bcd111d85 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -164,13 +164,17 @@ enum pci_dev_flags { /* INTX_DISABLE in PCI_COMMAND register disables MSI * generation too. */ - PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1, + PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0), /* Device configuration is irrevocably lost if disabled into D3 */ - PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, + PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1), /* Provide indication device is assigned by a Virtual Machine Manager */ - PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4, + PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) (1 << 2), /* Flag for quirk use to store if quirk-specific ACS is enabled */ - PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) 8, + PCI_DEV_FLAGS_ACS_ENABLED_QUIRK = (__force pci_dev_flags_t) (1 << 3), + /* Flag to indicate the device uses dma_alias_devfn */ + PCI_DEV_FLAGS_DMA_ALIAS_DEVFN = (__force pci_dev_flags_t) (1 << 4), + /* Use a PCIe-to-PCI bridge alias even if !pci_is_pcie */ + PCI_DEV_FLAG_PCIE_BRIDGE_ALIAS = (__force pci_dev_flags_t) (1 << 5), }; enum pci_irq_reroute_variant { @@ -268,6 +272,7 @@ struct pci_dev { u8 rom_base_reg; /* which config register controls the ROM */ u8 pin; /* which interrupt pin this device uses */ u16 pcie_flags_reg; /* cached PCIe Capabilities Register */ + u8 dma_alias_devfn;/* devfn of DMA alias, if any */ struct pci_driver *driver; /* which driver has allocated this device */ u64 dma_mask; /* Mask of the bits of bus address this @@ -1809,6 +1814,10 @@ static inline struct eeh_dev *pci_dev_to_eeh_dev(struct pci_dev *pdev) } #endif +int pci_for_each_dma_alias(struct pci_dev *pdev, + int (*fn)(struct pci_dev *pdev, + u16 alias, void *data), void *data); + /** * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device * @pdev: the PCI device diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index a5fc7d01aad6..dec01d6c3f80 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -146,10 +146,10 @@ * Declaration/definition used for per-CPU variables that must be read mostly. */ #define DECLARE_PER_CPU_READ_MOSTLY(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, "..readmostly") + DECLARE_PER_CPU_SECTION(type, name, "..read_mostly") #define DEFINE_PER_CPU_READ_MOSTLY(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, "..readmostly") + DEFINE_PER_CPU_SECTION(type, name, "..read_mostly") /* * Intermodule exports for per-CPU variables. sparse forgets about diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h index 0afb48fd449d..5d8920e23073 100644 --- a/include/linux/percpu-refcount.h +++ b/include/linux/percpu-refcount.h @@ -121,6 +121,36 @@ static inline void percpu_ref_get(struct percpu_ref *ref) * percpu_ref_tryget - try to increment a percpu refcount * @ref: percpu_ref to try-get * + * Increment a percpu refcount unless its count already reached zero. + * Returns %true on success; %false on failure. + * + * The caller is responsible for ensuring that @ref stays accessible. + */ +static inline bool percpu_ref_tryget(struct percpu_ref *ref) +{ + unsigned __percpu *pcpu_count; + int ret = false; + + rcu_read_lock_sched(); + + pcpu_count = ACCESS_ONCE(ref->pcpu_count); + + if (likely(REF_STATUS(pcpu_count) == PCPU_REF_PTR)) { + this_cpu_inc(*pcpu_count); + ret = true; + } else { + ret = atomic_inc_not_zero(&ref->count); + } + + rcu_read_unlock_sched(); + + return ret; +} + +/** + * percpu_ref_tryget_live - try to increment a live percpu refcount + * @ref: percpu_ref to try-get + * * Increment a percpu refcount unless it has already been killed. Returns * %true on success; %false on failure. * @@ -128,8 +158,10 @@ static inline void percpu_ref_get(struct percpu_ref *ref) * will fail. For such guarantee, percpu_ref_kill_and_confirm() should be * used. After the confirm_kill callback is invoked, it's guaranteed that * no new reference will be given out by percpu_ref_tryget(). + * + * The caller is responsible for ensuring that @ref stays accessible. */ -static inline bool percpu_ref_tryget(struct percpu_ref *ref) +static inline bool percpu_ref_tryget_live(struct percpu_ref *ref) { unsigned __percpu *pcpu_count; int ret = false; diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 495c6543a8f2..8419053d0f2e 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -29,7 +29,7 @@ */ #define get_cpu_var(var) (*({ \ preempt_disable(); \ - &__get_cpu_var(var); })) + this_cpu_ptr(&var); })) /* * The weird & is necessary because sparse considers (void)(var) to be diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index a9209118d80f..707617a8c0f6 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -167,6 +167,11 @@ struct perf_event; #define PERF_EVENT_TXN 0x1 /** + * pmu::capabilities flags + */ +#define PERF_PMU_CAP_NO_INTERRUPT 0x01 + +/** * struct pmu - generic performance monitoring unit */ struct pmu { @@ -178,6 +183,11 @@ struct pmu { const char *name; int type; + /* + * various common per-pmu feature flags + */ + int capabilities; + int * __percpu pmu_disable_count; struct perf_cpu_context * __percpu pmu_cpu_context; int task_ctx_nr; @@ -696,7 +706,8 @@ extern struct perf_guest_info_callbacks *perf_guest_cbs; extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); -extern void perf_event_comm(struct task_struct *tsk); +extern void perf_event_exec(void); +extern void perf_event_comm(struct task_struct *tsk, bool exec); extern void perf_event_fork(struct task_struct *tsk); /* Callchains */ @@ -773,7 +784,7 @@ extern void perf_event_enable(struct perf_event *event); extern void perf_event_disable(struct perf_event *event); extern int __perf_event_disable(void *info); extern void perf_event_task_tick(void); -#else +#else /* !CONFIG_PERF_EVENTS: */ static inline void perf_event_task_sched_in(struct task_struct *prev, struct task_struct *task) { } @@ -803,7 +814,8 @@ static inline int perf_unregister_guest_info_callbacks (struct perf_guest_info_callbacks *callbacks) { return 0; } static inline void perf_event_mmap(struct vm_area_struct *vma) { } -static inline void perf_event_comm(struct task_struct *tsk) { } +static inline void perf_event_exec(void) { } +static inline void perf_event_comm(struct task_struct *tsk, bool exec) { } static inline void perf_event_fork(struct task_struct *tsk) { } static inline void perf_event_init(void) { } static inline int perf_swevent_get_recursion_context(void) { return -1; } diff --git a/include/linux/phy.h b/include/linux/phy.h index 4d0221fd0688..68041446c450 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -198,6 +198,13 @@ static inline struct mii_bus *mdiobus_alloc(void) int mdiobus_register(struct mii_bus *bus); void mdiobus_unregister(struct mii_bus *bus); void mdiobus_free(struct mii_bus *bus); +struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); +static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) +{ + return devm_mdiobus_alloc_size(dev, 0); +} + +void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); @@ -529,6 +536,15 @@ struct phy_driver { /* See set_wol, but for checking whether Wake on LAN is enabled. */ void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); + /* + * Called to inform a PHY device driver when the core is about to + * change the link state. This callback is supposed to be used as + * fixup hook for drivers that need to take action when the link + * state changes. Drivers are by no means allowed to mess with the + * PHY device structure in their implementations. + */ + void (*link_change_notify)(struct phy_device *dev); + struct device_driver driver; }; #define to_phy_driver(d) container_of(d, struct phy_driver, driver) @@ -666,6 +682,7 @@ static inline int phy_read_status(struct phy_device *phydev) return phydev->drv->read_status(phydev); } +int genphy_config_init(struct phy_device *phydev); int genphy_setup_forced(struct phy_device *phydev); int genphy_restart_aneg(struct phy_device *phydev); int genphy_config_aneg(struct phy_device *phydev); diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h index 509d8f5f984e..ae612acebb53 100644 --- a/include/linux/phy_fixed.h +++ b/include/linux/phy_fixed.h @@ -9,15 +9,31 @@ struct fixed_phy_status { int asym_pause; }; +struct device_node; + #ifdef CONFIG_FIXED_PHY extern int fixed_phy_add(unsigned int irq, int phy_id, struct fixed_phy_status *status); +extern int fixed_phy_register(unsigned int irq, + struct fixed_phy_status *status, + struct device_node *np); +extern void fixed_phy_del(int phy_addr); #else static inline int fixed_phy_add(unsigned int irq, int phy_id, struct fixed_phy_status *status) { return -ENODEV; } +static inline int fixed_phy_register(unsigned int irq, + struct fixed_phy_status *status, + struct device_node *np) +{ + return -ENODEV; +} +static inline int fixed_phy_del(int phy_addr) +{ + return -ENODEV; +} #endif /* CONFIG_FIXED_PHY */ /* diff --git a/include/linux/platform_data/elm.h b/include/linux/platform_data/elm.h index 4edb40676b3f..780d1e97f620 100644 --- a/include/linux/platform_data/elm.h +++ b/include/linux/platform_data/elm.h @@ -21,6 +21,7 @@ enum bch_ecc { BCH4_ECC = 0, BCH8_ECC, + BCH16_ECC, }; /* ELM support 8 error syndrome process */ @@ -38,7 +39,7 @@ struct elm_errorvec { bool error_reported; bool error_uncorrectable; int error_count; - int error_loc[ERROR_VECTOR_MAX]; + int error_loc[16]; }; void elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc, diff --git a/include/linux/platform_data/intel-mid_wdt.h b/include/linux/platform_data/intel-mid_wdt.h new file mode 100644 index 000000000000..b98253466ace --- /dev/null +++ b/include/linux/platform_data/intel-mid_wdt.h @@ -0,0 +1,22 @@ +/* + * intel-mid_wdt: generic Intel MID SCU watchdog driver + * + * Copyright (C) 2014 Intel Corporation. All rights reserved. + * Contact: David Cohen <david.a.cohen@linux.intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General + * Public License as published by the Free Software Foundation. + */ + +#ifndef __INTEL_MID_WDT_H__ +#define __INTEL_MID_WDT_H__ + +#include <linux/platform_device.h> + +struct intel_mid_wdt_pdata { + int irq; + int (*probe)(struct platform_device *pdev); +}; + +#endif /*__INTEL_MID_WDT_H__*/ diff --git a/include/linux/platform_data/leds-pca9685.h b/include/linux/platform_data/leds-pca9685.h deleted file mode 100644 index 778e9e4249cc..000000000000 --- a/include/linux/platform_data/leds-pca9685.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright 2013 Maximilian Güntner <maximilian.guentner@gmail.com> - * - * This file is subject to the terms and conditions of version 2 of - * the GNU General Public License. See the file COPYING in the main - * directory of this archive for more details. - * - * Based on leds-pca963x.h by Peter Meerwald <p.meerwald@bct-electronic.com> - * - * LED driver for the NXP PCA9685 PWM chip - * - */ - -#ifndef __LINUX_PCA9685_H -#define __LINUX_PCA9685_H - -#include <linux/leds.h> - -enum pca9685_outdrv { - PCA9685_OPEN_DRAIN, - PCA9685_TOTEM_POLE, -}; - -enum pca9685_inverted { - PCA9685_NOT_INVERTED, - PCA9685_INVERTED, -}; - -struct pca9685_platform_data { - struct led_platform_data leds; - enum pca9685_outdrv outdrv; - enum pca9685_inverted inverted; -}; - -#endif /* __LINUX_PCA9685_H */ diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index 3e9dd6676b97..660c029d694f 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -31,6 +31,8 @@ enum omap_ecc { OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, /* 8-bit ECC calculation by GPMC, Error detection by ELM */ OMAP_ECC_BCH8_CODE_HW, + /* 16-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH16_CODE_HW, }; struct gpmc_nand_regs { @@ -50,6 +52,9 @@ struct gpmc_nand_regs { void __iomem *gpmc_bch_result1[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result2[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result3[GPMC_BCH_NUM_REMAINDER]; + void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER]; + void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER]; + void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER]; }; struct omap_nand_platform_data { diff --git a/include/linux/platform_data/mtd-nand-pxa3xx.h b/include/linux/platform_data/mtd-nand-pxa3xx.h index a94147124929..ac4ea2e641c7 100644 --- a/include/linux/platform_data/mtd-nand-pxa3xx.h +++ b/include/linux/platform_data/mtd-nand-pxa3xx.h @@ -58,6 +58,9 @@ struct pxa3xx_nand_platform_data { /* use an flash-based bad block table */ bool flash_bbt; + /* requested ECC strength and ECC step size */ + int ecc_strength, ecc_step_size; + const struct mtd_partition *parts[NUM_CHIP_SELECT]; unsigned int nr_parts[NUM_CHIP_SELECT]; diff --git a/include/linux/platform_data/omap4-keypad.h b/include/linux/platform_data/omap4-keypad.h deleted file mode 100644 index 4eef5fb05a17..000000000000 --- a/include/linux/platform_data/omap4-keypad.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __LINUX_INPUT_OMAP4_KEYPAD_H -#define __LINUX_INPUT_OMAP4_KEYPAD_H - -#include <linux/input/matrix_keypad.h> - -struct omap4_keypad_platform_data { - const struct matrix_keymap_data *keymap_data; - - u8 rows; - u8 cols; -}; - -#endif /* __LINUX_INPUT_OMAP4_KEYPAD_H */ diff --git a/include/linux/platform_data/pwm-renesas-tpu.h b/include/linux/platform_data/pwm-renesas-tpu.h deleted file mode 100644 index a7220b10ddab..000000000000 --- a/include/linux/platform_data/pwm-renesas-tpu.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __PWM_RENESAS_TPU_H__ -#define __PWM_RENESAS_TPU_H__ - -#include <linux/pwm.h> - -#define TPU_CHANNEL_MAX 4 - -struct tpu_pwm_channel_data { - enum pwm_polarity polarity; -}; - -struct tpu_pwm_platform_data { - struct tpu_pwm_channel_data channels[TPU_CHANNEL_MAX]; -}; - -#endif /* __PWM_RENESAS_TPU_H__ */ diff --git a/include/linux/platform_data/shtc1.h b/include/linux/platform_data/shtc1.h new file mode 100644 index 000000000000..7b8c353f7dc8 --- /dev/null +++ b/include/linux/platform_data/shtc1.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2014 Sensirion AG, Switzerland + * Author: Johannes Winkelmann <johannes.winkelmann@sensirion.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __SHTC1_H_ +#define __SHTC1_H_ + +struct shtc1_platform_data { + bool blocking_io; + bool high_precision; +}; +#endif /* __SHTC1_H_ */ diff --git a/include/linux/platform_data/st21nfca.h b/include/linux/platform_data/st21nfca.h new file mode 100644 index 000000000000..1730312398ff --- /dev/null +++ b/include/linux/platform_data/st21nfca.h @@ -0,0 +1,32 @@ +/* + * Driver include for the ST21NFCA NFC chip. + * + * Copyright (C) 2014 STMicroelectronics SAS. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _ST21NFCA_HCI_H_ +#define _ST21NFCA_HCI_H_ + +#include <linux/i2c.h> + +#define ST21NFCA_HCI_DRIVER_NAME "st21nfca_hci" + +struct st21nfca_nfc_platform_data { + unsigned int gpio_irq; + unsigned int gpio_ena; + unsigned int irq_polarity; +}; + +#endif /* _ST21NFCA_HCI_H_ */ diff --git a/include/linux/profile.h b/include/linux/profile.h index aaad3861beb8..b537a25ffa17 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -44,6 +44,7 @@ extern int prof_on __read_mostly; int profile_init(void); int profile_setup(char *str); void profile_tick(int type); +int setup_profiling_timer(unsigned int multiplier); /* * Add multiple profiler hits to a given address: diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 077904c8b70d..cc79eff4a1ad 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk, * calling arch_ptrace_stop() when it would be superfluous. For example, * if the thread has not been back to user mode since the last stop, the * thread state might indicate that nothing needs to be done. + * + * This is guaranteed to be invoked once before a task stops for ptrace and + * may include arch-specific operations necessary prior to a ptrace stop. */ #define arch_ptrace_stop_needed(code, info) (0) #endif diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 4717f54051cb..e90628cac8fa 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -274,14 +274,18 @@ struct pwm_lookup { unsigned int index; const char *dev_id; const char *con_id; + unsigned int period; + enum pwm_polarity polarity; }; -#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id) \ +#define PWM_LOOKUP(_provider, _index, _dev_id, _con_id, _period, _polarity) \ { \ .provider = _provider, \ .index = _index, \ .dev_id = _dev_id, \ .con_id = _con_id, \ + .period = _period, \ + .polarity = _polarity \ } #if IS_ENABLED(CONFIG_PWM) diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 2de2e275b2cb..efdd9227a49c 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -6,9 +6,6 @@ #include <linux/backlight.h> -/* TODO: convert to gpiod_*() API once it has been merged */ -#define PWM_BACKLIGHT_GPIO_ACTIVE_LOW (1 << 0) - struct platform_pwm_backlight_data { int pwm_id; unsigned int max_brightness; @@ -16,8 +13,8 @@ struct platform_pwm_backlight_data { unsigned int lth_brightness; unsigned int pwm_period_ns; unsigned int *levels; + /* TODO remove once all users are switched to gpiod_* API */ int enable_gpio; - unsigned long enable_gpio_flags; int (*init)(struct device *dev); int (*notify)(struct device *dev, int brightness); void (*notify_after)(struct device *dev, int brightness); diff --git a/include/linux/quota.h b/include/linux/quota.h index cc7494a35429..0f3c5d38da1f 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -329,6 +329,7 @@ struct quotactl_ops { int (*get_xstate)(struct super_block *, struct fs_quota_stat *); int (*set_xstate)(struct super_block *, unsigned int, int); int (*get_xstatev)(struct super_block *, struct fs_quota_statv *); + int (*rm_xquota)(struct super_block *, unsigned int); }; struct quota_format_type { diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index a2d9d81038d1..14ec18d5e18b 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -395,6 +395,11 @@ static inline void regulator_bulk_free(int num_consumers, { } +static inline int regulator_can_change_voltage(struct regulator *regulator) +{ + return 0; +} + static inline int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) { diff --git a/include/linux/rfkill-gpio.h b/include/linux/rfkill-gpio.h index 4d09f6eab359..20bcb55498cd 100644 --- a/include/linux/rfkill-gpio.h +++ b/include/linux/rfkill-gpio.h @@ -27,21 +27,11 @@ * struct rfkill_gpio_platform_data - platform data for rfkill gpio device. * for unused gpio's, the expected value is -1. * @name: name for the gpio rf kill instance - * @reset_gpio: GPIO which is used for reseting rfkill switch - * @shutdown_gpio: GPIO which is used for shutdown of rfkill switch - * @power_clk_name: [optional] name of clk to turn off while blocked - * @gpio_runtime_close: clean up platform specific gpio configuration - * @gpio_runtime_setup: set up platform specific gpio configuration */ struct rfkill_gpio_platform_data { char *name; - int reset_gpio; - int shutdown_gpio; - const char *power_clk_name; enum rfkill_type type; - void (*gpio_runtime_close)(struct platform_device *); - int (*gpio_runtime_setup)(struct platform_device *); }; #endif /* __RFKILL_GPIO_H */ diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index d69cf637a15a..49a4d6f59108 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -97,7 +97,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k __ring_buffer_alloc((size), (flags), &__key); \ }) -void ring_buffer_wait(struct ring_buffer *buffer, int cpu); +int ring_buffer_wait(struct ring_buffer *buffer, int cpu); int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table); diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 03f3b05e8ec1..8d79708146aa 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -16,6 +16,7 @@ #include <linux/atomic.h> +struct optimistic_spin_queue; struct rw_semaphore; #ifdef CONFIG_RWSEM_GENERIC_SPINLOCK @@ -23,9 +24,17 @@ struct rw_semaphore; #else /* All arch specific implementations share the same struct */ struct rw_semaphore { - long count; - raw_spinlock_t wait_lock; - struct list_head wait_list; + long count; + raw_spinlock_t wait_lock; + struct list_head wait_list; +#ifdef CONFIG_SMP + /* + * Write owner. Used as a speculative check to see + * if the owner is running on the cpu. + */ + struct task_struct *owner; + struct optimistic_spin_queue *osq; /* spinner MCS lock */ +#endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif @@ -55,11 +64,21 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) # define __RWSEM_DEP_MAP_INIT(lockname) #endif +#if defined(CONFIG_SMP) && !defined(CONFIG_RWSEM_GENERIC_SPINLOCK) +#define __RWSEM_INITIALIZER(name) \ + { RWSEM_UNLOCKED_VALUE, \ + __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ + LIST_HEAD_INIT((name).wait_list), \ + NULL, /* owner */ \ + NULL /* mcs lock */ \ + __RWSEM_DEP_MAP_INIT(name) } +#else #define __RWSEM_INITIALIZER(name) \ { RWSEM_UNLOCKED_VALUE, \ __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ LIST_HEAD_INIT((name).wait_list) \ __RWSEM_DEP_MAP_INIT(name) } +#endif #define DECLARE_RWSEM(name) \ struct rw_semaphore name = __RWSEM_INITIALIZER(name) diff --git a/include/linux/sched.h b/include/linux/sched.h index ea74596014a2..306f4f0c987a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -847,10 +847,10 @@ enum cpu_idle_type { }; /* - * Increase resolution of cpu_power calculations + * Increase resolution of cpu_capacity calculations */ -#define SCHED_POWER_SHIFT 10 -#define SCHED_POWER_SCALE (1L << SCHED_POWER_SHIFT) +#define SCHED_CAPACITY_SHIFT 10 +#define SCHED_CAPACITY_SCALE (1L << SCHED_CAPACITY_SHIFT) /* * sched-domains (multiprocessor balancing) declarations: @@ -862,7 +862,7 @@ enum cpu_idle_type { #define SD_BALANCE_FORK 0x0008 /* Balance on fork, clone */ #define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */ #define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */ -#define SD_SHARE_CPUPOWER 0x0080 /* Domain members share cpu power */ +#define SD_SHARE_CPUCAPACITY 0x0080 /* Domain members share cpu power */ #define SD_SHARE_POWERDOMAIN 0x0100 /* Domain members share power domain */ #define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share cpu pkg resources */ #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ @@ -874,7 +874,7 @@ enum cpu_idle_type { #ifdef CONFIG_SCHED_SMT static inline const int cpu_smt_flags(void) { - return SD_SHARE_CPUPOWER | SD_SHARE_PKG_RESOURCES; + return SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES; } #endif @@ -1006,7 +1006,7 @@ typedef const int (*sched_domain_flags_f)(void); struct sd_data { struct sched_domain **__percpu sd; struct sched_group **__percpu sg; - struct sched_group_power **__percpu sgp; + struct sched_group_capacity **__percpu sgc; }; struct sched_domain_topology_level { @@ -2173,7 +2173,7 @@ static inline void sched_autogroup_fork(struct signal_struct *sig) { } static inline void sched_autogroup_exit(struct signal_struct *sig) { } #endif -extern bool yield_to(struct task_struct *p, bool preempt); +extern int yield_to(struct task_struct *p, bool preempt); extern void set_user_nice(struct task_struct *p, long nice); extern int task_prio(const struct task_struct *p); /** @@ -2421,7 +2421,11 @@ extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, i struct task_struct *fork_idle(int); extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); -extern void set_task_comm(struct task_struct *tsk, const char *from); +extern void __set_task_comm(struct task_struct *tsk, const char *from, bool exec); +static inline void set_task_comm(struct task_struct *tsk, const char *from) +{ + __set_task_comm(tsk, from, false); +} extern char *get_task_comm(char *to, struct task_struct *tsk); #ifdef CONFIG_SMP diff --git a/include/linux/security.h b/include/linux/security.h index 6478ce3252c7..9c6b9722ff48 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1708,7 +1708,7 @@ struct security_operations { void (*key_free) (struct key *key); int (*key_permission) (key_ref_t key_ref, const struct cred *cred, - key_perm_t perm); + unsigned perm); int (*key_getsecurity)(struct key *key, char **_buffer); #endif /* CONFIG_KEYS */ @@ -3034,7 +3034,7 @@ static inline int security_path_chroot(struct path *path) int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags); void security_key_free(struct key *key); int security_key_permission(key_ref_t key_ref, - const struct cred *cred, key_perm_t perm); + const struct cred *cred, unsigned perm); int security_key_getsecurity(struct key *key, char **_buffer); #else @@ -3052,7 +3052,7 @@ static inline void security_key_free(struct key *key) static inline int security_key_permission(key_ref_t key_ref, const struct cred *cred, - key_perm_t perm) + unsigned perm) { return 0; } diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h index f92c0a43c54c..abdf1f229dc3 100644 --- a/include/linux/shdma-base.h +++ b/include/linux/shdma-base.h @@ -54,6 +54,7 @@ struct shdma_desc { dma_cookie_t cookie; int chunks; int mark; + bool cyclic; /* used as cyclic transfer */ }; struct shdma_chan { diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 08074a810164..ec89301ada41 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -338,13 +338,18 @@ enum { SKB_GSO_GRE = 1 << 6, - SKB_GSO_IPIP = 1 << 7, + SKB_GSO_GRE_CSUM = 1 << 7, - SKB_GSO_SIT = 1 << 8, + SKB_GSO_IPIP = 1 << 8, - SKB_GSO_UDP_TUNNEL = 1 << 9, + SKB_GSO_SIT = 1 << 9, + + SKB_GSO_UDP_TUNNEL = 1 << 10, + + SKB_GSO_UDP_TUNNEL_CSUM = 1 << 11, + + SKB_GSO_MPLS = 1 << 12, - SKB_GSO_MPLS = 1 << 10, }; #if BITS_PER_LONG > 32 @@ -426,7 +431,7 @@ static inline u32 skb_mstamp_us_delta(const struct skb_mstamp *t1, * @csum_start: Offset from skb->head where checksumming should start * @csum_offset: Offset from csum_start where checksum should be stored * @priority: Packet queueing priority - * @local_df: allow local fragmentation + * @ignore_df: allow local fragmentation * @cloned: Head may be cloned (check refcnt to be sure) * @ip_summed: Driver fed us an IP checksum * @nohdr: Payload reference only, must not modify header @@ -514,7 +519,7 @@ struct sk_buff { }; __u32 priority; kmemcheck_bitfield_begin(flags1); - __u8 local_df:1, + __u8 ignore_df:1, cloned:1, ip_summed:2, nohdr:1, @@ -567,7 +572,10 @@ struct sk_buff { * headers if needed */ __u8 encapsulation:1; - /* 6/8 bit hole (depending on ndisc_nodetype presence) */ + __u8 encap_hdr_csum:1; + __u8 csum_valid:1; + __u8 csum_complete_sw:1; + /* 3/5 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); #if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL @@ -739,7 +747,13 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t priority); struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t priority); -struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, gfp_t gfp_mask); +struct sk_buff *__pskb_copy_fclone(struct sk_buff *skb, int headroom, + gfp_t gfp_mask, bool fclone); +static inline struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, + gfp_t gfp_mask) +{ + return __pskb_copy_fclone(skb, headroom, gfp_mask, false); +} int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask); struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, @@ -1840,6 +1854,18 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) return pskb_may_pull(skb, skb_network_offset(skb) + len); } +static inline void skb_pop_rcv_encapsulation(struct sk_buff *skb) +{ + /* Only continue with checksum unnecessary if device indicated + * it is valid across encapsulation (skb->encapsulation was set). + */ + if (skb->ip_summed == CHECKSUM_UNNECESSARY && !skb->encapsulation) + skb->ip_summed = CHECKSUM_NONE; + + skb->encapsulation = 0; + skb->csum_valid = 0; +} + /* * CPUs often take a performance hit when accessing unaligned memory * locations. The actual performance hit varies, it can be small if the @@ -2233,6 +2259,14 @@ static inline struct sk_buff *pskb_copy(struct sk_buff *skb, return __pskb_copy(skb, skb_headroom(skb), gfp_mask); } + +static inline struct sk_buff *pskb_copy_for_clone(struct sk_buff *skb, + gfp_t gfp_mask) +{ + return __pskb_copy_fclone(skb, skb_headroom(skb), gfp_mask, true); +} + + /** * skb_clone_writable - is the header of a clone writable * @skb: buffer to check @@ -2716,7 +2750,7 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb); static inline int skb_csum_unnecessary(const struct sk_buff *skb) { - return skb->ip_summed & CHECKSUM_UNNECESSARY; + return ((skb->ip_summed & CHECKSUM_UNNECESSARY) || skb->csum_valid); } /** @@ -2741,6 +2775,103 @@ static inline __sum16 skb_checksum_complete(struct sk_buff *skb) 0 : __skb_checksum_complete(skb); } +/* Check if we need to perform checksum complete validation. + * + * Returns true if checksum complete is needed, false otherwise + * (either checksum is unnecessary or zero checksum is allowed). + */ +static inline bool __skb_checksum_validate_needed(struct sk_buff *skb, + bool zero_okay, + __sum16 check) +{ + if (skb_csum_unnecessary(skb) || (zero_okay && !check)) { + skb->csum_valid = 1; + return false; + } + + return true; +} + +/* For small packets <= CHECKSUM_BREAK peform checksum complete directly + * in checksum_init. + */ +#define CHECKSUM_BREAK 76 + +/* Validate (init) checksum based on checksum complete. + * + * Return values: + * 0: checksum is validated or try to in skb_checksum_complete. In the latter + * case the ip_summed will not be CHECKSUM_UNNECESSARY and the pseudo + * checksum is stored in skb->csum for use in __skb_checksum_complete + * non-zero: value of invalid checksum + * + */ +static inline __sum16 __skb_checksum_validate_complete(struct sk_buff *skb, + bool complete, + __wsum psum) +{ + if (skb->ip_summed == CHECKSUM_COMPLETE) { + if (!csum_fold(csum_add(psum, skb->csum))) { + skb->csum_valid = 1; + return 0; + } + } + + skb->csum = psum; + + if (complete || skb->len <= CHECKSUM_BREAK) { + __sum16 csum; + + csum = __skb_checksum_complete(skb); + skb->csum_valid = !csum; + return csum; + } + + return 0; +} + +static inline __wsum null_compute_pseudo(struct sk_buff *skb, int proto) +{ + return 0; +} + +/* Perform checksum validate (init). Note that this is a macro since we only + * want to calculate the pseudo header which is an input function if necessary. + * First we try to validate without any computation (checksum unnecessary) and + * then calculate based on checksum complete calling the function to compute + * pseudo header. + * + * Return values: + * 0: checksum is validated or try to in skb_checksum_complete + * non-zero: value of invalid checksum + */ +#define __skb_checksum_validate(skb, proto, complete, \ + zero_okay, check, compute_pseudo) \ +({ \ + __sum16 __ret = 0; \ + skb->csum_valid = 0; \ + if (__skb_checksum_validate_needed(skb, zero_okay, check)) \ + __ret = __skb_checksum_validate_complete(skb, \ + complete, compute_pseudo(skb, proto)); \ + __ret; \ +}) + +#define skb_checksum_init(skb, proto, compute_pseudo) \ + __skb_checksum_validate(skb, proto, false, false, 0, compute_pseudo) + +#define skb_checksum_init_zero_check(skb, proto, check, compute_pseudo) \ + __skb_checksum_validate(skb, proto, false, true, check, compute_pseudo) + +#define skb_checksum_validate(skb, proto, compute_pseudo) \ + __skb_checksum_validate(skb, proto, true, false, 0, compute_pseudo) + +#define skb_checksum_validate_zero_check(skb, proto, check, \ + compute_pseudo) \ + __skb_checksum_validate_(skb, proto, true, true, check, compute_pseudo) + +#define skb_checksum_simple_validate(skb) \ + __skb_checksum_validate(skb, 0, true, false, 0, null_compute_pseudo) + #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) void nf_conntrack_destroy(struct nf_conntrack *nfct); static inline void nf_conntrack_put(struct nf_conntrack *nfct) @@ -2895,6 +3026,7 @@ static inline struct sec_path *skb_sec_path(struct sk_buff *skb) struct skb_gso_cb { int mac_offset; int encap_level; + __u16 csum_start; }; #define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb) @@ -2919,6 +3051,28 @@ static inline int gso_pskb_expand_head(struct sk_buff *skb, int extra) return 0; } +/* Compute the checksum for a gso segment. First compute the checksum value + * from the start of transport header to SKB_GSO_CB(skb)->csum_start, and + * then add in skb->csum (checksum from csum_start to end of packet). + * skb->csum and csum_start are then updated to reflect the checksum of the + * resultant packet starting from the transport header-- the resultant checksum + * is in the res argument (i.e. normally zero or ~ of checksum of a pseudo + * header. + */ +static inline __sum16 gso_make_checksum(struct sk_buff *skb, __wsum res) +{ + int plen = SKB_GSO_CB(skb)->csum_start - skb_headroom(skb) - + skb_transport_offset(skb); + __u16 csum; + + csum = csum_fold(csum_partial(skb_transport_header(skb), + plen, skb->csum)); + skb->csum = res; + SKB_GSO_CB(skb)->csum_start -= plen; + + return csum; +} + static inline bool skb_is_gso(const struct sk_buff *skb) { return skb_shinfo(skb)->gso_size; diff --git a/include/linux/socket.h b/include/linux/socket.h index 8e98297f1388..ec538fc287a6 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -305,8 +305,6 @@ struct ucred { /* IPX options */ #define IPX_TYPE 1 -extern int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, - int offset, int len); extern int csum_partial_copy_fromiovecend(unsigned char *kdata, struct iovec *iov, int offset, @@ -315,8 +313,6 @@ extern unsigned long iov_pages(const struct iovec *iov, int offset, unsigned long nr_segs); extern int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *address, int mode); -extern int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata, - int offset, int len); extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr); extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data); diff --git a/include/linux/spi/at86rf230.h b/include/linux/spi/at86rf230.h index aa327a8105ad..b2b1afbb3202 100644 --- a/include/linux/spi/at86rf230.h +++ b/include/linux/spi/at86rf230.h @@ -26,20 +26,6 @@ struct at86rf230_platform_data { int rstn; int slp_tr; int dig2; - - /* Setting the irq_type will configure the driver to request - * the platform irq trigger type according to the given value - * and configure the interrupt polarity of the device to the - * corresponding polarity. - * - * Allowed values are: IRQF_TRIGGER_RISING, IRQF_TRIGGER_FALLING, - * IRQF_TRIGGER_HIGH and IRQF_TRIGGER_LOW - * - * Setting it to 0, the driver does not touch the trigger type - * configuration of the interrupt and sets the interrupt polarity - * of the device to high active (the default value). - */ - int irq_type; }; #endif diff --git a/include/linux/splice.h b/include/linux/splice.h index 0e43906d2fda..da2751d3b93d 100644 --- a/include/linux/splice.h +++ b/include/linux/splice.h @@ -70,16 +70,6 @@ extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *, splice_actor *); extern ssize_t __splice_from_pipe(struct pipe_inode_info *, struct splice_desc *, splice_actor *); -extern int splice_from_pipe_feed(struct pipe_inode_info *, struct splice_desc *, - splice_actor *); -extern int splice_from_pipe_next(struct pipe_inode_info *, - struct splice_desc *); -extern void splice_from_pipe_begin(struct splice_desc *); -extern void splice_from_pipe_end(struct pipe_inode_info *, - struct splice_desc *); -extern int pipe_to_file(struct pipe_inode_info *, struct pipe_buffer *, - struct splice_desc *); - extern ssize_t splice_to_pipe(struct pipe_inode_info *, struct splice_pipe_desc *); extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *, diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 07ef9b82b66d..4568a5cc9ab8 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -33,6 +33,7 @@ struct ssb_sprom { u8 et1phyaddr; /* MII address for enet1 */ u8 et0mdcport; /* MDIO for enet0 */ u8 et1mdcport; /* MDIO for enet1 */ + u16 dev_id; /* Device ID overriding e.g. PCI ID */ u16 board_rev; /* Board revision number from SPROM. */ u16 board_num; /* Board number from SPROM. */ u16 board_type; /* Board type from SPROM. */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 04e763221246..1bc7cd05b22e 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -244,6 +244,7 @@ struct svc_rqst { struct page * rq_pages[RPCSVC_MAXPAGES]; struct page * *rq_respages; /* points into rq_pages */ struct page * *rq_next_page; /* next reply page to use */ + struct page * *rq_page_end; /* one past the last page */ struct kvec rq_vec[RPCSVC_MAXPAGES]; /* generally useful.. */ @@ -254,11 +255,15 @@ struct svc_rqst { u32 rq_prot; /* IP protocol */ unsigned short rq_secure : 1; /* secure port */ + unsigned short rq_local : 1; /* local request */ void * rq_argp; /* decoded arguments */ void * rq_resp; /* xdr'd results */ void * rq_auth_data; /* flavor-specific data */ - + int rq_auth_slack; /* extra space xdr code + * should leave in head + * for krb5i, krb5p. + */ int rq_reserved; /* space on socket outq * reserved for this request */ @@ -454,11 +459,7 @@ char * svc_print_addr(struct svc_rqst *, char *, size_t); */ static inline void svc_reserve_auth(struct svc_rqst *rqstp, int space) { - int added_space = 0; - - if (rqstp->rq_authop->flavour) - added_space = RPC_MAX_AUTH_SIZE; - svc_reserve(rqstp, space + added_space); + svc_reserve(rqstp, space + rqstp->rq_auth_slack); } #endif /* SUNRPC_SVC_H */ diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 0b8e3e6bdacf..5cf99a016368 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -115,14 +115,13 @@ struct svc_rdma_fastreg_mr { struct list_head frmr_list; }; struct svc_rdma_req_map { - struct svc_rdma_fastreg_mr *frmr; unsigned long count; union { struct kvec sge[RPCSVC_MAXPAGES]; struct svc_rdma_chunk_sge ch[RPCSVC_MAXPAGES]; + unsigned long lkey[RPCSVC_MAXPAGES]; }; }; -#define RDMACTXT_F_FAST_UNREG 1 #define RDMACTXT_F_LAST_CTXT 2 #define SVCRDMA_DEVCAP_FAST_REG 1 /* fast mr registration */ diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index b05963f09ebf..7235040a19b2 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -24,6 +24,7 @@ struct svc_xprt_ops { void (*xpo_release_rqst)(struct svc_rqst *); void (*xpo_detach)(struct svc_xprt *); void (*xpo_free)(struct svc_xprt *); + int (*xpo_secure_port)(struct svc_rqst *); }; struct svc_xprt_class { @@ -63,6 +64,7 @@ struct svc_xprt { #define XPT_DETACHED 10 /* detached from tempsocks list */ #define XPT_LISTENER 11 /* listening endpoint */ #define XPT_CACHE_AUTH 12 /* cache auth info */ +#define XPT_LOCAL 13 /* connection from loopback interface */ struct svc_serv *xpt_server; /* service for transport */ atomic_t xpt_reserved; /* space on outq that is rsvd */ diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index 15f9204ee70b..70c6b92e15a7 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -215,6 +215,9 @@ typedef int (*kxdrdproc_t)(void *rqstp, struct xdr_stream *xdr, void *obj); extern void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p); extern __be32 *xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes); +extern void xdr_commit_encode(struct xdr_stream *xdr); +extern void xdr_truncate_encode(struct xdr_stream *xdr, size_t len); +extern int xdr_restrict_buflen(struct xdr_stream *xdr, int newbuflen); extern void xdr_write_pages(struct xdr_stream *xdr, struct page **pages, unsigned int base, unsigned int len); extern unsigned int xdr_stream_pos(const struct xdr_stream *xdr); diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 3876f0f1dfd3..fcbfe8783243 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -24,6 +24,12 @@ #define RPC_MAX_SLOT_TABLE_LIMIT (65536U) #define RPC_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE_LIMIT +#define RPC_CWNDSHIFT (8U) +#define RPC_CWNDSCALE (1U << RPC_CWNDSHIFT) +#define RPC_INITCWND RPC_CWNDSCALE +#define RPC_MAXCWND(xprt) ((xprt)->max_reqs << RPC_CWNDSHIFT) +#define RPCXPRT_CONGESTED(xprt) ((xprt)->cong >= (xprt)->cwnd) + /* * This describes a timeout strategy */ diff --git a/include/linux/suspend.h b/include/linux/suspend.h index f76994b9396c..519064e0c943 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -327,6 +327,7 @@ extern unsigned long get_safe_page(gfp_t gfp_mask); extern void hibernation_set_ops(const struct platform_hibernation_ops *ops); extern int hibernate(void); extern bool system_entering_hibernation(void); +extern bool hibernation_available(void); asmlinkage int swsusp_save(void); extern struct pbe *restore_pblist; #else /* CONFIG_HIBERNATION */ @@ -339,6 +340,7 @@ static inline void swsusp_unset_page_free(struct page *p) {} static inline void hibernation_set_ops(const struct platform_hibernation_ops *ops) {} static inline int hibernate(void) { return -ENOSYS; } static inline bool system_entering_hibernation(void) { return false; } +static inline bool hibernation_available(void) { return false; } #endif /* CONFIG_HIBERNATION */ /* Hibernation and suspend events */ diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 239946868142..a0513210798f 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -197,7 +197,8 @@ struct tcp_sock { u8 do_early_retrans:1,/* Enable RFC5827 early-retransmit */ syn_data:1, /* SYN includes data */ syn_fastopen:1, /* SYN includes Fast Open option */ - syn_data_acked:1;/* data in SYN is acked by SYN-ACK */ + syn_data_acked:1,/* data in SYN is acked by SYN-ACK */ + is_cwnd_limited:1;/* forward progress limited by snd_cwnd? */ u32 tlp_high_seq; /* snd_nxt at the time of TLP retransmit. */ /* RTT measurement */ @@ -209,6 +210,8 @@ struct tcp_sock { u32 packets_out; /* Packets which are "in flight" */ u32 retrans_out; /* Retransmitted packets out */ + u32 max_packets_out; /* max packets_out in last window */ + u32 max_packets_seq; /* right edge of max_packets_out flight */ u16 urg_data; /* Saved octet of OOB data and control flags */ u8 ecn_flags; /* ECN status bits. */ @@ -365,11 +368,6 @@ static inline bool tcp_passive_fastopen(const struct sock *sk) tcp_sk(sk)->fastopen_rsk != NULL); } -static inline bool fastopen_cookie_present(struct tcp_fastopen_cookie *foc) -{ - return foc->len != -1; -} - extern void tcp_sock_destruct(struct sock *sk); static inline int fastopen_init_queue(struct sock *sk, int backlog) diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index a32d86ec8bf2..136116924d8d 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -46,6 +46,9 @@ extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, extern void *trace_seq_reserve(struct trace_seq *s, size_t len); extern int trace_seq_path(struct trace_seq *s, const struct path *path); +extern int trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp, + int nmaskbits); + #else /* CONFIG_TRACING */ static inline int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) { @@ -57,6 +60,13 @@ trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary) return 0; } +static inline int +trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp, + int nmaskbits) +{ + return 0; +} + static inline int trace_print_seq(struct seq_file *m, struct trace_seq *s) { return 0; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 9d30ee469c2a..2e2a5f7717e5 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -185,6 +185,11 @@ extern void syscall_unregfunc(void); static inline void \ check_trace_callback_type_##name(void (*cb)(data_proto)) \ { \ + } \ + static inline bool \ + trace_##name##_enabled(void) \ + { \ + return static_key_false(&__tracepoint_##name.key); \ } /* @@ -230,6 +235,11 @@ extern void syscall_unregfunc(void); } \ static inline void check_trace_callback_type_##name(void (*cb)(data_proto)) \ { \ + } \ + static inline bool \ + trace_##name##_enabled(void) \ + { \ + return false; \ } #define DEFINE_TRACE_FN(name, reg, unreg) diff --git a/include/linux/udp.h b/include/linux/udp.h index 42278bbf7a88..247cfdcc4b08 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -47,7 +47,9 @@ struct udp_sock { #define udp_portaddr_node inet.sk.__sk_common.skc_portaddr_node int pending; /* Any pending frames ? */ unsigned int corkflag; /* Cork is required */ - __u16 encap_type; /* Is this an Encapsulation socket? */ + __u8 encap_type; /* Is this an Encapsulation socket? */ + unsigned char no_check6_tx:1,/* Send zero UDP6 checksums on TX? */ + no_check6_rx:1;/* Allow zero UDP6 checksums on RX? */ /* * Following member retains the information to create a UDP header * when the socket is uncorked. @@ -76,6 +78,26 @@ static inline struct udp_sock *udp_sk(const struct sock *sk) return (struct udp_sock *)sk; } +static inline void udp_set_no_check6_tx(struct sock *sk, bool val) +{ + udp_sk(sk)->no_check6_tx = val; +} + +static inline void udp_set_no_check6_rx(struct sock *sk, bool val) +{ + udp_sk(sk)->no_check6_rx = val; +} + +static inline bool udp_get_no_check6_tx(struct sock *sk) +{ + return udp_sk(sk)->no_check6_tx; +} + +static inline bool udp_get_no_check6_rx(struct sock *sk) +{ + return udp_sk(sk)->no_check6_rx; +} + #define udp_portaddr_for_each_entry(__sk, node, list) \ hlist_nulls_for_each_entry(__sk, node, list, __sk_common.skc_portaddr_node) diff --git a/include/linux/uio.h b/include/linux/uio.h index 199bcc34241b..09a7cffc224e 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -19,11 +19,21 @@ struct kvec { size_t iov_len; }; +enum { + ITER_IOVEC = 0, + ITER_KVEC = 2, + ITER_BVEC = 4, +}; + struct iov_iter { - const struct iovec *iov; - unsigned long nr_segs; + int type; size_t iov_offset; size_t count; + union { + const struct iovec *iov; + const struct bio_vec *bvec; + }; + unsigned long nr_segs; }; /* @@ -53,6 +63,7 @@ static inline struct iovec iov_iter_iovec(const struct iov_iter *iter) } #define iov_for_each(iov, iter, start) \ + if (!((start).type & ITER_BVEC)) \ for (iter = (start); \ (iter).count && \ ((iov = iov_iter_iovec(&(iter))), 1); \ @@ -62,32 +73,59 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to); size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); -size_t iov_iter_copy_from_user(struct page *page, - struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); +size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i); +unsigned long iov_iter_alignment(const struct iov_iter *i); +void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov, + unsigned long nr_segs, size_t count); +ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, + size_t maxsize, size_t *start); +ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, + size_t maxsize, size_t *start); +int iov_iter_npages(const struct iov_iter *i, int maxpages); -static inline void iov_iter_init(struct iov_iter *i, - const struct iovec *iov, unsigned long nr_segs, - size_t count, size_t written) +static inline size_t iov_iter_count(struct iov_iter *i) { - i->iov = iov; - i->nr_segs = nr_segs; - i->iov_offset = 0; - i->count = count + written; + return i->count; +} - iov_iter_advance(i, written); +/* + * Cap the iov_iter by given limit; note that the second argument is + * *not* the new size - it's upper limit for such. Passing it a value + * greater than the amount of data in iov_iter is fine - it'll just do + * nothing in that case. + */ +static inline void iov_iter_truncate(struct iov_iter *i, u64 count) +{ + /* + * count doesn't have to fit in size_t - comparison extends both + * operands to u64 here and any value that would be truncated by + * conversion in assignement is by definition greater than all + * values of size_t, including old i->count. + */ + if (i->count > count) + i->count = count; } -static inline size_t iov_iter_count(struct iov_iter *i) +/* + * reexpand a previously truncated iterator; count must be no more than how much + * we had shrunk it. + */ +static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) { - return i->count; + i->count = count; } int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len); int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len); +int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, + int offset, int len); +int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata, + int offset, int len); #endif diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index c52f827ba6ce..4f844c6b03ee 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -103,6 +103,7 @@ extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, u extern bool __weak is_swbp_insn(uprobe_opcode_t *insn); extern bool __weak is_trap_insn(uprobe_opcode_t *insn); extern unsigned long __weak uprobe_get_swbp_addr(struct pt_regs *regs); +extern unsigned long uprobe_get_trap_addr(struct pt_regs *regs); extern int uprobe_write_opcode(struct mm_struct *mm, unsigned long vaddr, uprobe_opcode_t); extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool); @@ -133,6 +134,9 @@ extern void __weak arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr, #else /* !CONFIG_UPROBES */ struct uprobes_state { }; + +#define uprobe_get_trap_addr(regs) instruction_pointer(regs) + static inline int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc) { diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 44b38b92236a..7c9b484735c5 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -52,6 +52,10 @@ #define CDC_NCM_NTB_MAX_SIZE_TX 32768 /* bytes */ #define CDC_NCM_NTB_MAX_SIZE_RX 32768 /* bytes */ +/* Initial NTB length */ +#define CDC_NCM_NTB_DEF_SIZE_TX 16384 /* bytes */ +#define CDC_NCM_NTB_DEF_SIZE_RX 16384 /* bytes */ + /* Minimum value for MaxDatagramSize, ch. 6.2.9 */ #define CDC_NCM_MIN_DATAGRAM_SIZE 1514 /* bytes */ @@ -72,16 +76,9 @@ /* Restart the timer, if amount of datagrams is less than given value */ #define CDC_NCM_RESTART_TIMER_DATAGRAM_CNT 3 #define CDC_NCM_TIMER_PENDING_CNT 2 -#define CDC_NCM_TIMER_INTERVAL (400UL * NSEC_PER_USEC) - -/* The following macro defines the minimum header space */ -#define CDC_NCM_MIN_HDR_SIZE \ - (sizeof(struct usb_cdc_ncm_nth16) + sizeof(struct usb_cdc_ncm_ndp16) + \ - (CDC_NCM_DPT_DATAGRAMS_MAX + 1) * sizeof(struct usb_cdc_ncm_dpe16)) - -#define CDC_NCM_NDP_SIZE \ - (sizeof(struct usb_cdc_ncm_ndp16) + \ - (CDC_NCM_DPT_DATAGRAMS_MAX + 1) * sizeof(struct usb_cdc_ncm_dpe16)) +#define CDC_NCM_TIMER_INTERVAL_USEC 400UL +#define CDC_NCM_TIMER_INTERVAL_MIN 5UL +#define CDC_NCM_TIMER_INTERVAL_MAX (U32_MAX / NSEC_PER_USEC) #define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \ (x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE) @@ -107,6 +104,9 @@ struct cdc_ncm_ctx { spinlock_t mtx; atomic_t stop; + u32 timer_interval; + u32 max_ndp_size; + u32 tx_timer_pending; u32 tx_curr_frame_num; u32 rx_max; @@ -118,10 +118,21 @@ struct cdc_ncm_ctx { u16 tx_ndp_modulus; u16 tx_seq; u16 rx_seq; - u16 connected; + u16 min_tx_pkt; + + /* statistics */ + u32 tx_curr_frame_payload; + u32 tx_reason_ntb_full; + u32 tx_reason_ndp_full; + u32 tx_reason_timeout; + u32 tx_reason_max_datagram; + u64 tx_overhead; + u64 tx_ntbs; + u64 rx_overhead; + u64 rx_ntbs; }; -u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf); +u8 cdc_ncm_select_altsetting(struct usb_interface *intf); int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index 1a64b26046ed..9b7de1b46437 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -70,7 +70,9 @@ US_FLAG(NEEDS_CAP16, 0x00400000) \ /* cannot handle READ_CAPACITY_10 */ \ US_FLAG(IGNORE_UAS, 0x00800000) \ - /* Device advertises UAS but it is broken */ + /* Device advertises UAS but it is broken */ \ + US_FLAG(BROKEN_FUA, 0x01000000) \ + /* Cannot handle FUA in WRITE or READ CDBs */ \ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/linux/virtio.h b/include/linux/virtio.h index e4abb84199be..b46671e28de2 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -106,6 +106,8 @@ static inline struct virtio_device *dev_to_virtio(struct device *_dev) int register_virtio_device(struct virtio_device *dev); void unregister_virtio_device(struct virtio_device *dev); +void virtio_break_device(struct virtio_device *dev); + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). diff --git a/include/linux/virtio_scsi.h b/include/linux/virtio_scsi.h index 4195b97a3def..de429d1f4357 100644 --- a/include/linux/virtio_scsi.h +++ b/include/linux/virtio_scsi.h @@ -35,11 +35,23 @@ struct virtio_scsi_cmd_req { u8 lun[8]; /* Logical Unit Number */ u64 tag; /* Command identifier */ u8 task_attr; /* Task attribute */ - u8 prio; + u8 prio; /* SAM command priority field */ u8 crn; u8 cdb[VIRTIO_SCSI_CDB_SIZE]; } __packed; +/* SCSI command request, followed by protection information */ +struct virtio_scsi_cmd_req_pi { + u8 lun[8]; /* Logical Unit Number */ + u64 tag; /* Command identifier */ + u8 task_attr; /* Task attribute */ + u8 prio; /* SAM command priority field */ + u8 crn; + u32 pi_bytesout; /* DataOUT PI Number of bytes */ + u32 pi_bytesin; /* DataIN PI Number of bytes */ + u8 cdb[VIRTIO_SCSI_CDB_SIZE]; +} __packed; + /* Response, followed by sense data and data-in */ struct virtio_scsi_cmd_resp { u32 sense_len; /* Sense data length */ @@ -97,6 +109,7 @@ struct virtio_scsi_config { #define VIRTIO_SCSI_F_INOUT 0 #define VIRTIO_SCSI_F_HOTPLUG 1 #define VIRTIO_SCSI_F_CHANGE 2 +#define VIRTIO_SCSI_F_T10_PI 3 /* Response codes */ #define VIRTIO_SCSI_S_OK 0 diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 1b22c42e9c2d..a0cc2e95ed1b 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -56,9 +56,8 @@ enum { WORK_NR_COLORS = (1 << WORK_STRUCT_COLOR_BITS) - 1, WORK_NO_COLOR = WORK_NR_COLORS, - /* special cpu IDs */ + /* not bound to any CPU, prefer the local CPU */ WORK_CPU_UNBOUND = NR_CPUS, - WORK_CPU_END = NR_CPUS + 1, /* * Reserve 7 bits off of pwq pointer w/ debugobjects turned off. @@ -274,13 +273,6 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; } #define delayed_work_pending(w) \ work_pending(&(w)->work) -/** - * work_clear_pending - for internal use only, mark a work item as not pending - * @work: The work item in question - */ -#define work_clear_pending(work) \ - clear_bit(WORK_STRUCT_PENDING_BIT, work_data_bits(work)) - /* * Workqueue flags and constants. For details, please refer to * Documentation/workqueue.txt. @@ -340,6 +332,9 @@ enum { * short queue flush time. Don't queue works which can run for too * long. * + * system_highpri_wq is similar to system_wq but for work items which + * require WQ_HIGHPRI. + * * system_long_wq is similar to system_wq but may host long running * works. Queue flushing might take relatively long. * @@ -358,26 +353,13 @@ enum { * 'wq_power_efficient' is disabled. See WQ_POWER_EFFICIENT for more info. */ extern struct workqueue_struct *system_wq; +extern struct workqueue_struct *system_highpri_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_unbound_wq; extern struct workqueue_struct *system_freezable_wq; extern struct workqueue_struct *system_power_efficient_wq; extern struct workqueue_struct *system_freezable_power_efficient_wq; -static inline struct workqueue_struct * __deprecated __system_nrt_wq(void) -{ - return system_wq; -} - -static inline struct workqueue_struct * __deprecated __system_nrt_freezable_wq(void) -{ - return system_freezable_wq; -} - -/* equivlalent to system_wq and system_freezable_wq, deprecated */ -#define system_nrt_wq __system_nrt_wq() -#define system_nrt_freezable_wq __system_nrt_freezable_wq() - extern struct workqueue_struct * __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, struct lock_class_key *key, const char *lock_name, ...) __printf(1, 6); @@ -587,18 +569,6 @@ static inline bool keventd_up(void) return system_wq != NULL; } -/* used to be different but now identical to flush_work(), deprecated */ -static inline bool __deprecated flush_work_sync(struct work_struct *work) -{ - return flush_work(work); -} - -/* used to be different but now identical to flush_delayed_work(), deprecated */ -static inline bool __deprecated flush_delayed_work_sync(struct delayed_work *dwork) -{ - return flush_delayed_work(dwork); -} - #ifndef CONFIG_SMP static inline long work_on_cpu(int cpu, long (*fn)(void *), void *arg) { |