diff options
Diffstat (limited to 'include')
75 files changed, 674 insertions, 193 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 278841c75b97..af240573e482 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -188,7 +188,7 @@ #endif #ifdef CONFIG_SERIAL_EARLYCON -#define EARLYCON_TABLE() STRUCT_ALIGN(); \ +#define EARLYCON_TABLE() . = ALIGN(8); \ VMLINUX_SYMBOL(__earlycon_table) = .; \ KEEP(*(__earlycon_table)) \ VMLINUX_SYMBOL(__earlycon_table_end) = .; diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index 562fa7df2637..98e63d870139 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -19,7 +19,7 @@ #define DRM_HDCP_RI_LEN 2 #define DRM_HDCP_V_PRIME_PART_LEN 4 #define DRM_HDCP_V_PRIME_NUM_PARTS 5 -#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x3f) +#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x7f) #define DRM_HDCP_MAX_CASCADE_EXCEEDED(x) (x & BIT(3)) #define DRM_HDCP_MAX_DEVICE_EXCEEDED(x) (x & BIT(7)) diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index e518e4e3dfb5..4b1548129fa2 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -37,10 +37,15 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) * Our PSCI implementation stays the same across versions from * v0.2 onward, only adding the few mandatory functions (such * as FEATURES with 1.0) that are required by newer - * revisions. It is thus safe to return the latest. + * revisions. It is thus safe to return the latest, unless + * userspace has instructed us otherwise. */ - if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) + if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) { + if (vcpu->kvm->arch.psci_version) + return vcpu->kvm->arch.psci_version; + return KVM_ARM_PSCI_LATEST; + } return KVM_ARM_PSCI_0_1; } @@ -48,4 +53,11 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) int kvm_hvc_call_handler(struct kvm_vcpu *vcpu); +struct kvm_one_reg; + +int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu); +int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices); +int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); +int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); + #endif /* __KVM_ARM_PSCI_H__ */ diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index bfe86b54f6c1..0bd432a4d7bd 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -223,6 +223,11 @@ static inline void set_bdi_congested(struct backing_dev_info *bdi, int sync) set_wb_congested(bdi->wb.congested, sync); } +struct wb_lock_cookie { + bool locked; + unsigned long flags; +}; + #ifdef CONFIG_CGROUP_WRITEBACK /** diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index f6be4b0b6c18..72ca0f3d39f3 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -347,7 +347,7 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) /** * unlocked_inode_to_wb_begin - begin unlocked inode wb access transaction * @inode: target inode - * @lockedp: temp bool output param, to be passed to the end function + * @cookie: output param, to be passed to the end function * * The caller wants to access the wb associated with @inode but isn't * holding inode->i_lock, the i_pages lock or wb->list_lock. This @@ -355,12 +355,12 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) * association doesn't change until the transaction is finished with * unlocked_inode_to_wb_end(). * - * The caller must call unlocked_inode_to_wb_end() with *@lockdep - * afterwards and can't sleep during transaction. IRQ may or may not be - * disabled on return. + * The caller must call unlocked_inode_to_wb_end() with *@cookie afterwards and + * can't sleep during the transaction. IRQs may or may not be disabled on + * return. */ static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { rcu_read_lock(); @@ -368,10 +368,10 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) * Paired with store_release in inode_switch_wb_work_fn() and * ensures that we see the new wb if we see cleared I_WB_SWITCH. */ - *lockedp = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; + cookie->locked = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; - if (unlikely(*lockedp)) - xa_lock_irq(&inode->i_mapping->i_pages); + if (unlikely(cookie->locked)) + xa_lock_irqsave(&inode->i_mapping->i_pages, cookie->flags); /* * Protected by either !I_WB_SWITCH + rcu_read_lock() or the i_pages @@ -383,12 +383,13 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) /** * unlocked_inode_to_wb_end - end inode wb access transaction * @inode: target inode - * @locked: *@lockedp from unlocked_inode_to_wb_begin() + * @cookie: @cookie from unlocked_inode_to_wb_begin() */ -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { - if (unlikely(locked)) - xa_unlock_irq(&inode->i_mapping->i_pages); + if (unlikely(cookie->locked)) + xa_unlock_irqrestore(&inode->i_mapping->i_pages, cookie->flags); rcu_read_unlock(); } @@ -435,12 +436,13 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) } static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { return inode_to_wb(inode); } -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { } diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index e3986f4b3461..ebc34a5686dc 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -9,6 +9,9 @@ struct blk_mq_tags; struct blk_flush_queue; +/** + * struct blk_mq_hw_ctx - State for a hardware queue facing the hardware block device + */ struct blk_mq_hw_ctx { struct { spinlock_t lock; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9af3e0f430bc..5c4eee043191 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -605,6 +605,11 @@ struct request_queue { * initialized by the low level device driver (e.g. scsi/sd.c). * Stacking drivers (device mappers) may or may not initialize * these fields. + * + * Reads of this information must be protected with blk_queue_enter() / + * blk_queue_exit(). Modifying this information is only allowed while + * no requests are being processed. See also blk_mq_freeze_queue() and + * blk_mq_unfreeze_queue(). */ unsigned int nr_zones; unsigned long *seq_zones_bitmap; @@ -737,6 +742,7 @@ bool blk_queue_flag_test_and_clear(unsigned int flag, struct request_queue *q); #define blk_queue_quiesced(q) test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags) #define blk_queue_preempt_only(q) \ test_bit(QUEUE_FLAG_PREEMPT_ONLY, &(q)->queue_flags) +#define blk_queue_fua(q) test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags) extern int blk_set_preempt_only(struct request_queue *q); extern void blk_clear_preempt_only(struct request_queue *q); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 95a7abd0ee92..469b20e1dd7e 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -31,6 +31,7 @@ struct bpf_map_ops { void (*map_release)(struct bpf_map *map, struct file *map_file); void (*map_free)(struct bpf_map *map); int (*map_get_next_key)(struct bpf_map *map, void *key, void *next_key); + void (*map_release_uref)(struct bpf_map *map); /* funcs callable from userspace and from eBPF programs */ void *(*map_lookup_elem)(struct bpf_map *map, void *key); @@ -339,8 +340,8 @@ int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs, void bpf_prog_array_delete_safe(struct bpf_prog_array __rcu *progs, struct bpf_prog *old_prog); int bpf_prog_array_copy_info(struct bpf_prog_array __rcu *array, - __u32 __user *prog_ids, u32 request_cnt, - __u32 __user *prog_cnt); + u32 *prog_ids, u32 request_cnt, + u32 *prog_cnt); int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, struct bpf_prog *exclude_prog, struct bpf_prog *include_prog, @@ -351,6 +352,7 @@ int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, struct bpf_prog **_prog, *__prog; \ struct bpf_prog_array *_array; \ u32 _ret = 1; \ + preempt_disable(); \ rcu_read_lock(); \ _array = rcu_dereference(array); \ if (unlikely(check_non_null && !_array))\ @@ -362,6 +364,7 @@ int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, } \ _out: \ rcu_read_unlock(); \ + preempt_enable_no_resched(); \ _ret; \ }) @@ -434,7 +437,6 @@ int bpf_stackmap_copy(struct bpf_map *map, void *key, void *value); int bpf_fd_array_map_update_elem(struct bpf_map *map, struct file *map_file, void *key, void *value, u64 map_flags); int bpf_fd_array_map_lookup_elem(struct bpf_map *map, void *key, u32 *value); -void bpf_fd_array_map_clear(struct bpf_map *map); int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file, void *key, void *value, u64 map_flags); int bpf_fd_htab_map_lookup_elem(struct bpf_map *map, void *key, u32 *value); diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index ceb96ecab96e..7d98e263e048 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -25,6 +25,9 @@ #define __SANITIZE_ADDRESS__ #endif +#undef __no_sanitize_address +#define __no_sanitize_address __attribute__((no_sanitize("address"))) + /* Clang doesn't have a way to turn it off per-function, yet. */ #ifdef __noretpoline #undef __noretpoline diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h index edfeaba95429..a1a959ba24ff 100644 --- a/include/linux/coresight-pmu.h +++ b/include/linux/coresight-pmu.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.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. - * - * 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 _LINUX_CORESIGHT_PMU_H diff --git a/include/linux/device.h b/include/linux/device.h index 0059b99e1f25..477956990f5e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -256,7 +256,9 @@ enum probe_type { * automatically. * @pm: Power management operations of the device which matched * this driver. - * @coredump: Called through sysfs to initiate a device coredump. + * @coredump: Called when sysfs entry is written to. The device driver + * is expected to call the dev_coredump API resulting in a + * uevent. * @p: Driver core's private data, no one other than the driver * core can touch this. * @@ -288,7 +290,7 @@ struct device_driver { const struct attribute_group **groups; const struct dev_pm_ops *pm; - int (*coredump) (struct device *dev); + void (*coredump) (struct device *dev); struct driver_private *p; }; diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index ebe41811ed34..b32cd2062f18 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -310,6 +310,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * fields should be ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS * instead of the latter), any change to them will be overwritten * by kernel. Returns a negative error code or zero. + * @get_fecparam: Get the network device Forward Error Correction parameters. + * @set_fecparam: Set the network device Forward Error Correction parameters. * * All operations are optional (i.e. the function pointer may be set * to %NULL) and callers must take this into account. Callers must diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 9f1edb92c97e..e64c0294f50b 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -217,12 +217,10 @@ struct fsnotify_mark_connector { union { /* Object pointer [lock] */ struct inode *inode; struct vfsmount *mnt; - }; - union { - struct hlist_head list; /* Used listing heads to free after srcu period expires */ struct fsnotify_mark_connector *destroy_next; }; + struct hlist_head list; }; /* @@ -248,7 +246,7 @@ struct fsnotify_mark { /* Group this mark is for. Set on mark creation, stable until last ref * is dropped */ struct fsnotify_group *group; - /* List of marks by group->i_fsnotify_marks. Also reused for queueing + /* List of marks by group->marks_list. Also reused for queueing * mark into destroy_list when it's waiting for the end of SRCU period * before it can be freed. [group->mark_mutex] */ struct list_head g_list; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index c826b0b5232a..6cb8a5789668 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -368,7 +368,9 @@ static inline void free_part_stats(struct hd_struct *part) part_stat_add(cpu, gendiskp, field, -subnd) void part_in_flight(struct request_queue *q, struct hd_struct *part, - unsigned int inflight[2]); + unsigned int inflight[2]); +void part_in_flight_rw(struct request_queue *q, struct hd_struct *part, + unsigned int inflight[2]); void part_dec_in_flight(struct request_queue *q, struct hd_struct *part, int rw); void part_inc_in_flight(struct request_queue *q, struct hd_struct *part, diff --git a/include/linux/hid.h b/include/linux/hid.h index 8da3e1f48195..26240a22978a 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -516,6 +516,12 @@ enum hid_type { HID_TYPE_USBNONE }; +enum hid_battery_status { + HID_BATTERY_UNKNOWN = 0, + HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */ + HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */ +}; + struct hid_driver; struct hid_ll_driver; @@ -558,7 +564,8 @@ struct hid_device { /* device report descriptor */ __s32 battery_max; __s32 battery_report_type; __s32 battery_report_id; - bool battery_reported; + enum hid_battery_status battery_status; + bool battery_avoid_query; #endif unsigned int status; /* see STAT flags above */ diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index a2656c3ebe81..3892e9c8b2de 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -161,9 +161,11 @@ struct hrtimer_clock_base { enum hrtimer_base_type { HRTIMER_BASE_MONOTONIC, HRTIMER_BASE_REALTIME, + HRTIMER_BASE_BOOTTIME, HRTIMER_BASE_TAI, HRTIMER_BASE_MONOTONIC_SOFT, HRTIMER_BASE_REALTIME_SOFT, + HRTIMER_BASE_BOOTTIME_SOFT, HRTIMER_BASE_TAI_SOFT, HRTIMER_MAX_CLOCK_BASES, }; diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index d11f41d5269f..78a5a90b4267 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -663,7 +663,7 @@ static inline bool skb_vlan_tagged(const struct sk_buff *skb) * Returns true if the skb is tagged with multiple vlan headers, regardless * of whether it is hardware accelerated or not. */ -static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) +static inline bool skb_vlan_tagged_multi(struct sk_buff *skb) { __be16 protocol = skb->protocol; @@ -673,6 +673,9 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) if (likely(!eth_type_vlan(protocol))) return false; + if (unlikely(!pskb_may_pull(skb, VLAN_ETH_HLEN))) + return false; + veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; } @@ -690,7 +693,7 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) * * Returns features without unsafe ones if the skb has multiple tags. */ -static inline netdev_features_t vlan_features_check(const struct sk_buff *skb, +static inline netdev_features_t vlan_features_check(struct sk_buff *skb, netdev_features_t features) { if (skb_vlan_tagged_multi(skb)) { diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h index 4754f01c1abb..aec44b1d9582 100644 --- a/include/linux/livepatch.h +++ b/include/linux/livepatch.h @@ -186,13 +186,20 @@ static inline bool klp_have_reliable_stack(void) IS_ENABLED(CONFIG_HAVE_RELIABLE_STACKTRACE); } +typedef int (*klp_shadow_ctor_t)(void *obj, + void *shadow_data, + void *ctor_data); +typedef void (*klp_shadow_dtor_t)(void *obj, void *shadow_data); + void *klp_shadow_get(void *obj, unsigned long id); -void *klp_shadow_alloc(void *obj, unsigned long id, void *data, - size_t size, gfp_t gfp_flags); -void *klp_shadow_get_or_alloc(void *obj, unsigned long id, void *data, - size_t size, gfp_t gfp_flags); -void klp_shadow_free(void *obj, unsigned long id); -void klp_shadow_free_all(unsigned long id); +void *klp_shadow_alloc(void *obj, unsigned long id, + size_t size, gfp_t gfp_flags, + klp_shadow_ctor_t ctor, void *ctor_data); +void *klp_shadow_get_or_alloc(void *obj, unsigned long id, + size_t size, gfp_t gfp_flags, + klp_shadow_ctor_t ctor, void *ctor_data); +void klp_shadow_free(void *obj, unsigned long id, klp_shadow_dtor_t dtor); +void klp_shadow_free_all(unsigned long id, klp_shadow_dtor_t dtor); #else /* !CONFIG_LIVEPATCH */ diff --git a/include/linux/microchipphy.h b/include/linux/microchipphy.h index eb492d47f717..8f9c90379732 100644 --- a/include/linux/microchipphy.h +++ b/include/linux/microchipphy.h @@ -70,4 +70,12 @@ #define LAN88XX_MMD3_CHIP_ID (32877) #define LAN88XX_MMD3_CHIP_REV (32878) +/* DSP registers */ +#define PHY_ARDENNES_MMD_DEV_3_PHY_CFG (0x806A) +#define PHY_ARDENNES_MMD_DEV_3_PHY_CFG_ZD_DLY_EN_ (0x2000) +#define LAN88XX_EXT_PAGE_ACCESS_TR (0x52B5) +#define LAN88XX_EXT_PAGE_TR_CR 16 +#define LAN88XX_EXT_PAGE_TR_LOW_DATA 17 +#define LAN88XX_EXT_PAGE_TR_HIGH_DATA 18 + #endif /* _MICROCHIPPHY_H */ diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 767d193c269a..2a156c5dfadd 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1284,25 +1284,19 @@ enum { }; static inline const struct cpumask * -mlx5_get_vector_affinity(struct mlx5_core_dev *dev, int vector) +mlx5_get_vector_affinity_hint(struct mlx5_core_dev *dev, int vector) { - const struct cpumask *mask; struct irq_desc *desc; unsigned int irq; int eqn; int err; - err = mlx5_vector2eqn(dev, MLX5_EQ_VEC_COMP_BASE + vector, &eqn, &irq); + err = mlx5_vector2eqn(dev, vector, &eqn, &irq); if (err) return NULL; desc = irq_to_desc(irq); -#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK - mask = irq_data_get_effective_affinity_mask(&desc->irq_data); -#else - mask = desc->irq_common_data.affinity; -#endif - return mask; + return desc->affinity_hint; } #endif /* MLX5_DRIVER_H */ diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index b63fa457febd..3529683f691e 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -85,6 +85,7 @@ struct flchip { unsigned int write_suspended:1; unsigned int erase_suspended:1; unsigned long in_progress_block_addr; + unsigned long in_progress_block_mask; struct mutex mutex; wait_queue_head_t wq; /* Wait on here when we're waiting for the chip diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index d09a9c7af109..dfdaede9139e 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -569,7 +569,7 @@ static inline struct rproc *vdev_to_rproc(struct virtio_device *vdev) void rproc_add_subdev(struct rproc *rproc, struct rproc_subdev *subdev, int (*probe)(struct rproc_subdev *subdev), - void (*remove)(struct rproc_subdev *subdev, bool graceful)); + void (*remove)(struct rproc_subdev *subdev, bool crashed)); void rproc_remove_subdev(struct rproc *rproc, struct rproc_subdev *subdev); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 1d356105f25a..b4c9fda9d833 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -351,10 +351,10 @@ struct earlycon_id { char name[16]; char compatible[128]; int (*setup)(struct earlycon_device *, const char *options); -} __aligned(32); +}; -extern const struct earlycon_id __earlycon_table[]; -extern const struct earlycon_id __earlycon_table_end[]; +extern const struct earlycon_id *__earlycon_table[]; +extern const struct earlycon_id *__earlycon_table_end[]; #if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE) #define EARLYCON_USED_OR_UNUSED __used @@ -362,12 +362,19 @@ extern const struct earlycon_id __earlycon_table_end[]; #define EARLYCON_USED_OR_UNUSED __maybe_unused #endif -#define OF_EARLYCON_DECLARE(_name, compat, fn) \ - static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \ - EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \ +#define _OF_EARLYCON_DECLARE(_name, compat, fn, unique_id) \ + static const struct earlycon_id unique_id \ + EARLYCON_USED_OR_UNUSED __initconst \ = { .name = __stringify(_name), \ .compatible = compat, \ - .setup = fn } + .setup = fn }; \ + static const struct earlycon_id EARLYCON_USED_OR_UNUSED \ + __section(__earlycon_table) \ + * const __PASTE(__p, unique_id) = &unique_id + +#define OF_EARLYCON_DECLARE(_name, compat, fn) \ + _OF_EARLYCON_DECLARE(_name, compat, fn, \ + __UNIQUE_ID(__earlycon_##_name)) #define EARLYCON_DECLARE(_name, fn) OF_EARLYCON_DECLARE(_name, "", fn) diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 388ff2936a87..6794490f25b2 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -75,6 +75,9 @@ struct shrinker { #define SHRINKER_NUMA_AWARE (1 << 0) #define SHRINKER_MEMCG_AWARE (1 << 1) -extern int register_shrinker(struct shrinker *); -extern void unregister_shrinker(struct shrinker *); +extern int prealloc_shrinker(struct shrinker *shrinker); +extern void register_shrinker_prepared(struct shrinker *shrinker); +extern int register_shrinker(struct shrinker *shrinker); +extern void unregister_shrinker(struct shrinker *shrinker); +extern void free_prealloced_shrinker(struct shrinker *shrinker); #endif diff --git a/include/linux/stringhash.h b/include/linux/stringhash.h index e8f0f852968f..c0c5c5b73dc0 100644 --- a/include/linux/stringhash.h +++ b/include/linux/stringhash.h @@ -50,9 +50,9 @@ partial_name_hash(unsigned long c, unsigned long prevhash) * losing bits). This also has the property (wanted by the dcache) * that the msbits make a good hash table index. */ -static inline unsigned long end_name_hash(unsigned long hash) +static inline unsigned int end_name_hash(unsigned long hash) { - return __hash_32((unsigned int)hash); + return hash_long(hash, 32); } /* diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h index 0494db3fd9e8..13770cfe33ad 100644 --- a/include/linux/textsearch.h +++ b/include/linux/textsearch.h @@ -62,7 +62,7 @@ struct ts_config int flags; /** - * get_next_block - fetch next block of data + * @get_next_block: fetch next block of data * @consumed: number of bytes consumed by the caller * @dst: destination buffer * @conf: search configuration @@ -79,7 +79,7 @@ struct ts_config struct ts_state *state); /** - * finish - finalize/clean a series of get_next_block() calls + * @finish: finalize/clean a series of get_next_block() calls * @conf: search configuration * @state: search state * diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 34f053a150a9..cf2862bd134a 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -43,11 +43,7 @@ enum { #define THREAD_ALIGN THREAD_SIZE #endif -#if IS_ENABLED(CONFIG_DEBUG_STACK_USAGE) || IS_ENABLED(CONFIG_DEBUG_KMEMLEAK) -# define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO) -#else -# define THREADINFO_GFP (GFP_KERNEL_ACCOUNT) -#endif +#define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO) /* * flag set/clear/test wrappers diff --git a/include/linux/ti-emif-sram.h b/include/linux/ti-emif-sram.h index 45bc6b376492..53604b087f2c 100644 --- a/include/linux/ti-emif-sram.h +++ b/include/linux/ti-emif-sram.h @@ -60,6 +60,81 @@ struct ti_emif_pm_functions { u32 abort_sr; } __packed __aligned(8); +static inline void ti_emif_asm_offsets(void) +{ + DEFINE(EMIF_SDCFG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_sdcfg_val)); + DEFINE(EMIF_TIMING1_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing1_val)); + DEFINE(EMIF_TIMING2_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing2_val)); + DEFINE(EMIF_TIMING3_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing3_val)); + DEFINE(EMIF_REF_CTRL_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_ref_ctrl_val)); + DEFINE(EMIF_ZQCFG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_zqcfg_val)); + DEFINE(EMIF_PMCR_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_pmcr_val)); + DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val)); + DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET, + offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl)); + DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET, + offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh)); + DEFINE(EMIF_COS_CONFIG_OFFSET, + offsetof(struct emif_regs_amx3, emif_cos_config)); + DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET, + offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping)); + DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET, + offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map)); + DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET, + offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map)); + DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_ocp_config_val)); + DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET, + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim)); + DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET, + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw)); + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val)); + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET, + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw)); + DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET, + offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1)); + DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET, + offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals)); + DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3)); + + BLANK(); + + DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt)); + DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys)); + DEFINE(EMIF_PM_CONFIG_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_sram_config)); + DEFINE(EMIF_PM_REGS_VIRT_OFFSET, + offsetof(struct ti_emif_pm_data, regs_virt)); + DEFINE(EMIF_PM_REGS_PHYS_OFFSET, + offsetof(struct ti_emif_pm_data, regs_phys)); + DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data)); + + BLANK(); + + DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET, + offsetof(struct ti_emif_pm_functions, save_context)); + DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET, + offsetof(struct ti_emif_pm_functions, restore_context)); + DEFINE(EMIF_PM_ENTER_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, enter_sr)); + DEFINE(EMIF_PM_EXIT_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, exit_sr)); + DEFINE(EMIF_PM_ABORT_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, abort_sr)); + DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions)); +} + struct gen_pool; int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst); diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 4b3dca173e89..7acb953298a7 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -52,7 +52,6 @@ struct tk_read_base { * @offs_real: Offset clock monotonic -> clock realtime * @offs_boot: Offset clock monotonic -> clock boottime * @offs_tai: Offset clock monotonic -> clock tai - * @time_suspended: Accumulated suspend time * @tai_offset: The current UTC to TAI offset in seconds * @clock_was_set_seq: The sequence number of clock was set events * @cs_was_changed_seq: The sequence number of clocksource change events @@ -95,7 +94,6 @@ struct timekeeper { ktime_t offs_real; ktime_t offs_boot; ktime_t offs_tai; - ktime_t time_suspended; s32 tai_offset; unsigned int clock_was_set_seq; u8 cs_was_changed_seq; diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 9737fbec7019..588a0e4b1ab9 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -33,25 +33,20 @@ extern void ktime_get_ts64(struct timespec64 *ts); extern time64_t ktime_get_seconds(void); extern time64_t __ktime_get_real_seconds(void); extern time64_t ktime_get_real_seconds(void); -extern void ktime_get_active_ts64(struct timespec64 *ts); extern int __getnstimeofday64(struct timespec64 *tv); extern void getnstimeofday64(struct timespec64 *tv); extern void getboottime64(struct timespec64 *ts); -#define ktime_get_real_ts64(ts) getnstimeofday64(ts) - -/* Clock BOOTTIME compatibility wrappers */ -static inline void get_monotonic_boottime64(struct timespec64 *ts) -{ - ktime_get_ts64(ts); -} +#define ktime_get_real_ts64(ts) getnstimeofday64(ts) /* * ktime_t based interfaces */ + enum tk_offsets { TK_OFFS_REAL, + TK_OFFS_BOOT, TK_OFFS_TAI, TK_OFFS_MAX, }; @@ -62,10 +57,6 @@ extern ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs); extern ktime_t ktime_get_raw(void); extern u32 ktime_get_resolution_ns(void); -/* Clock BOOTTIME compatibility wrappers */ -static inline ktime_t ktime_get_boottime(void) { return ktime_get(); } -static inline u64 ktime_get_boot_ns(void) { return ktime_get(); } - /** * ktime_get_real - get the real (wall-) time in ktime_t format */ @@ -75,6 +66,17 @@ static inline ktime_t ktime_get_real(void) } /** + * ktime_get_boottime - Returns monotonic time since boot in ktime_t format + * + * This is similar to CLOCK_MONTONIC/ktime_get, but also includes the + * time spent in suspend. + */ +static inline ktime_t ktime_get_boottime(void) +{ + return ktime_get_with_offset(TK_OFFS_BOOT); +} + +/** * ktime_get_clocktai - Returns the TAI time of day in ktime_t format */ static inline ktime_t ktime_get_clocktai(void) @@ -100,6 +102,11 @@ static inline u64 ktime_get_real_ns(void) return ktime_to_ns(ktime_get_real()); } +static inline u64 ktime_get_boot_ns(void) +{ + return ktime_to_ns(ktime_get_boottime()); +} + static inline u64 ktime_get_tai_ns(void) { return ktime_to_ns(ktime_get_clocktai()); @@ -112,11 +119,17 @@ static inline u64 ktime_get_raw_ns(void) extern u64 ktime_get_mono_fast_ns(void); extern u64 ktime_get_raw_fast_ns(void); +extern u64 ktime_get_boot_fast_ns(void); extern u64 ktime_get_real_fast_ns(void); /* * timespec64 interfaces utilizing the ktime based ones */ +static inline void get_monotonic_boottime64(struct timespec64 *ts) +{ + *ts = ktime_to_timespec64(ktime_get_boottime()); +} + static inline void timekeeping_clocktai64(struct timespec64 *ts) { *ts = ktime_to_timespec64(ktime_get_clocktai()); diff --git a/include/linux/timekeeping32.h b/include/linux/timekeeping32.h index af4114d5dc17..3616b4becb59 100644 --- a/include/linux/timekeeping32.h +++ b/include/linux/timekeeping32.h @@ -9,9 +9,6 @@ extern void do_gettimeofday(struct timeval *tv); unsigned long get_seconds(void); -/* does not take xtime_lock */ -struct timespec __current_kernel_time(void); - static inline struct timespec current_kernel_time(void) { struct timespec64 now = current_kernel_time64(); diff --git a/include/linux/timer.h b/include/linux/timer.h index 2448f9cc48a3..7b066fd38248 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -8,8 +8,6 @@ #include <linux/debugobjects.h> #include <linux/stringify.h> -struct tvec_base; - struct timer_list { /* * All fields that change during normal runtime grouped to the diff --git a/include/linux/tty.h b/include/linux/tty.h index 47f8af22f216..1dd587ba6d88 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -701,7 +701,7 @@ extern int tty_unregister_ldisc(int disc); extern int tty_set_ldisc(struct tty_struct *tty, int disc); extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty); extern void tty_ldisc_release(struct tty_struct *tty); -extern void tty_ldisc_init(struct tty_struct *tty); +extern int __must_check tty_ldisc_init(struct tty_struct *tty); extern void tty_ldisc_deinit(struct tty_struct *tty); extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, char *f, int count); diff --git a/include/linux/vbox_utils.h b/include/linux/vbox_utils.h index c71def6b310f..a240ed2a0372 100644 --- a/include/linux/vbox_utils.h +++ b/include/linux/vbox_utils.h @@ -24,24 +24,6 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...); #define vbg_debug pr_debug #endif -/** - * Allocate memory for generic request and initialize the request header. - * - * Return: the allocated memory - * @len: Size of memory block required for the request. - * @req_type: The generic request type. - */ -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type); - -/** - * Perform a generic request. - * - * Return: VBox status code - * @gdev: The Guest extension device. - * @req: Pointer to the request structure. - */ -int vbg_req_perform(struct vbg_dev *gdev, void *req); - int vbg_hgcm_connect(struct vbg_dev *gdev, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status); @@ -52,11 +34,6 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, int *vbox_status); -int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status); - /** * Convert a VirtualBox status code to a standard Linux kernel return value. * Return: 0 or negative errno value. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 988c7355bc22..fa1b5da2804e 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -157,6 +157,9 @@ int virtio_device_freeze(struct virtio_device *dev); int virtio_device_restore(struct virtio_device *dev); #endif +#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 9318b2166439..2b0072fa5e92 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -305,4 +305,21 @@ do { \ __ret; \ }) +/** + * clear_and_wake_up_bit - clear a bit and wake up anyone waiting on that bit + * + * @bit: the bit of the word being waited on + * @word: the word being waited on, a kernel virtual address + * + * You can use this helper if bitflags are manipulated atomically rather than + * non-atomically under a lock. + */ +static inline void clear_and_wake_up_bit(int bit, void *word) +{ + clear_bit_unlock(bit, word); + /* See wake_up_bit() for which memory barrier you need to use. */ + smp_mb__after_atomic(); + wake_up_bit(word, bit); +} + #endif /* _LINUX_WAIT_BIT_H */ diff --git a/include/media/i2c/tvp7002.h b/include/media/i2c/tvp7002.h index 5ee007c1cead..cb213c136089 100644 --- a/include/media/i2c/tvp7002.h +++ b/include/media/i2c/tvp7002.h @@ -5,7 +5,7 @@ * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com> * * This code is partially based upon the TVP5150 driver - * written by Mauro Carvalho Chehab (mchehab@infradead.org), + * written by Mauro Carvalho Chehab <mchehab@kernel.org>, * the TVP514x driver written by Vaibhav Hiremath <hvaibhav@ti.com> * and the TVP7002 driver in the TI LSP 2.10.00.14 * diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h index 0bda0adc744f..60a664febba0 100644 --- a/include/media/videobuf-core.h +++ b/include/media/videobuf-core.h @@ -1,11 +1,11 @@ /* * generic helper functions for handling video4linux capture buffers * - * (c) 2007 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2007 Mauro Carvalho Chehab, <mchehab@kernel.org> * * Highly based on video-buf written originally by: * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> - * (c) 2006 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2006 Mauro Carvalho Chehab, <mchehab@kernel.org> * (c) 2006 Ted Walther and John Sokol * * This program is free software; you can redistribute it and/or modify diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h index d8b27854e3bf..01bd142b979d 100644 --- a/include/media/videobuf-dma-sg.h +++ b/include/media/videobuf-dma-sg.h @@ -6,11 +6,11 @@ * into PAGE_SIZE chunks). They also assume the driver does not need * to touch the video data. * - * (c) 2007 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2007 Mauro Carvalho Chehab, <mchehab@kernel.org> * * Highly based on video-buf written originally by: * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> - * (c) 2006 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2006 Mauro Carvalho Chehab, <mchehab@kernel.org> * (c) 2006 Ted Walther and John Sokol * * This program is free software; you can redistribute it and/or modify diff --git a/include/media/videobuf-vmalloc.h b/include/media/videobuf-vmalloc.h index 486a97efdb56..36c6a4ad3504 100644 --- a/include/media/videobuf-vmalloc.h +++ b/include/media/videobuf-vmalloc.h @@ -6,7 +6,7 @@ * into PAGE_SIZE chunks). They also assume the driver does not need * to touch the video data. * - * (c) 2007 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2007 Mauro Carvalho Chehab, <mchehab@kernel.org> * * 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 diff --git a/include/net/ife.h b/include/net/ife.h index 44b9c00f7223..e117617e3c34 100644 --- a/include/net/ife.h +++ b/include/net/ife.h @@ -12,7 +12,8 @@ void *ife_encode(struct sk_buff *skb, u16 metalen); void *ife_decode(struct sk_buff *skb, u16 *metalen); -void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, u16 *totlen); +void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype, + u16 *dlen, u16 *totlen); int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, const void *dval); diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index 5c40f118c0fa..df528a623548 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -97,6 +97,7 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb) struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority, struct proto *prot, int kern); +void llc_sk_stop_all_timers(struct sock *sk, bool sync); void llc_sk_free(struct sock *sk); void llc_sk_reset(struct sock *sk); diff --git a/include/net/tls.h b/include/net/tls.h index 3da8e13a6d96..b400d0bb7448 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -148,6 +148,7 @@ struct tls_context { struct scatterlist *partially_sent_record; u16 partially_sent_offset; unsigned long flags; + bool in_tcp_sendpages; u16 pending_open_record_frags; int (*push_pending_record)(struct sock *sk, int flags); diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h index 04e0679767f6..e03bd9d41fa8 100644 --- a/include/scsi/scsi_dbg.h +++ b/include/scsi/scsi_dbg.h @@ -11,8 +11,6 @@ struct scsi_sense_hdr; extern void scsi_print_command(struct scsi_cmnd *); extern size_t __scsi_format_command(char *, size_t, const unsigned char *, size_t); -extern void scsi_show_extd_sense(const struct scsi_device *, const char *, - unsigned char, unsigned char); extern void scsi_print_sense_hdr(const struct scsi_device *, const char *, const struct scsi_sense_hdr *); extern void scsi_print_sense(const struct scsi_cmnd *); diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h index 50df5b28d2c9..8ee8991aa099 100644 --- a/include/soc/bcm2835/raspberrypi-firmware.h +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -143,13 +143,13 @@ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node); static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag, void *data, size_t len) { - return 0; + return -ENOSYS; } static inline int rpi_firmware_property_list(struct rpi_firmware *fw, void *data, size_t tag_size) { - return 0; + return -ENOSYS; } static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node) diff --git a/include/sound/control.h b/include/sound/control.h index ca13a44ae9d4..6011a58d3e20 100644 --- a/include/sound/control.h +++ b/include/sound/control.h @@ -23,6 +23,7 @@ */ #include <linux/wait.h> +#include <linux/nospec.h> #include <sound/asound.h> #define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data) @@ -148,12 +149,14 @@ int snd_ctl_get_preferred_subdevice(struct snd_card *card, int type); static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->numid - kctl->id.numid; + unsigned int ioff = id->numid - kctl->id.numid; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->index - kctl->id.index; + unsigned int ioff = id->index - kctl->id.index; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) diff --git a/include/trace/events/initcall.h b/include/trace/events/initcall.h index 8d6cf10d27c9..eb903c3f195f 100644 --- a/include/trace/events/initcall.h +++ b/include/trace/events/initcall.h @@ -31,7 +31,11 @@ TRACE_EVENT(initcall_start, TP_ARGS(func), TP_STRUCT__entry( - __field(initcall_t, func) + /* + * Use field_struct to avoid is_signed_type() + * comparison of a function pointer + */ + __field_struct(initcall_t, func) ), TP_fast_assign( @@ -48,8 +52,12 @@ TRACE_EVENT(initcall_finish, TP_ARGS(func, ret), TP_STRUCT__entry( - __field(initcall_t, func) - __field(int, ret) + /* + * Use field_struct to avoid is_signed_type() + * comparison of a function pointer + */ + __field_struct(initcall_t, func) + __field(int, ret) ), TP_fast_assign( diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h index bf6f82673492..f8260e5c79ad 100644 --- a/include/trace/events/ufs.h +++ b/include/trace/events/ufs.h @@ -257,6 +257,33 @@ TRACE_EVENT(ufshcd_command, ) ); +TRACE_EVENT(ufshcd_upiu, + TP_PROTO(const char *dev_name, const char *str, void *hdr, void *tsf), + + TP_ARGS(dev_name, str, hdr, tsf), + + TP_STRUCT__entry( + __string(dev_name, dev_name) + __string(str, str) + __array(unsigned char, hdr, 12) + __array(unsigned char, tsf, 16) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name); + __assign_str(str, str); + memcpy(__entry->hdr, hdr, sizeof(__entry->hdr)); + memcpy(__entry->tsf, tsf, sizeof(__entry->tsf)); + ), + + TP_printk( + "%s: %s: HDR:%s, CDB:%s", + __get_str(str), __get_str(dev_name), + __print_hex(__entry->hdr, sizeof(__entry->hdr)), + __print_hex(__entry->tsf, sizeof(__entry->tsf)) + ) +); + #endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */ /* This part must be outside protection */ diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h index 2f057a494d93..9a761bc6a251 100644 --- a/include/trace/events/workqueue.h +++ b/include/trace/events/workqueue.h @@ -25,6 +25,8 @@ DECLARE_EVENT_CLASS(workqueue_work, TP_printk("work struct %p", __entry->work) ); +struct pool_workqueue; + /** * workqueue_queue_work - called when a work gets queued * @req_cpu: the requested cpu diff --git a/include/uapi/linux/if_infiniband.h b/include/uapi/linux/if_infiniband.h index 050b92dcf8cf..0fc33bf30e45 100644 --- a/include/uapi/linux/if_infiniband.h +++ b/include/uapi/linux/if_infiniband.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ /* * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 1065006c9bf5..b02c41e53d56 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -676,6 +676,13 @@ struct kvm_ioeventfd { __u8 pad[36]; }; +#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) +#define KVM_X86_DISABLE_EXITS_HTL (1 << 1) +#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) +#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ + KVM_X86_DISABLE_EXITS_HTL | \ + KVM_X86_DISABLE_EXITS_PAUSE) + /* for KVM_ENABLE_CAP */ struct kvm_enable_cap { /* in */ diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 912b85b52344..b8e288a1f740 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -650,11 +650,23 @@ struct perf_event_mmap_page { #define PERF_RECORD_MISC_COMM_EXEC (1 << 13) #define PERF_RECORD_MISC_SWITCH_OUT (1 << 13) /* - * Indicates that the content of PERF_SAMPLE_IP points to - * the actual instruction that triggered the event. See also - * perf_event_attr::precise_ip. + * These PERF_RECORD_MISC_* flags below are safely reused + * for the following events: + * + * PERF_RECORD_MISC_EXACT_IP - PERF_RECORD_SAMPLE of precise events + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT - PERF_RECORD_SWITCH* events + * + * + * PERF_RECORD_MISC_EXACT_IP: + * Indicates that the content of PERF_SAMPLE_IP points to + * the actual instruction that triggered the event. See also + * perf_event_attr::precise_ip. + * + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT: + * Indicates that thread was preempted in TASK_RUNNING state. */ #define PERF_RECORD_MISC_EXACT_IP (1 << 14) +#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT (1 << 14) /* * Reserve the last bit to indicate some extended misc field */ diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h index c34f4490d025..26ee91300e3e 100644 --- a/include/uapi/linux/random.h +++ b/include/uapi/linux/random.h @@ -35,6 +35,9 @@ /* Clear the entropy pool and associated counters. (Superuser only.) */ #define RNDCLEARPOOL _IO( 'R', 0x06 ) +/* Reseed CRNG. (Superuser only.) */ +#define RNDRESEEDCRNG _IO( 'R', 0x07 ) + struct rand_pool_info { int entropy_count; int buf_size; diff --git a/include/uapi/linux/rds.h b/include/uapi/linux/rds.h index a66b213de3d7..20c6bd0b0007 100644 --- a/include/uapi/linux/rds.h +++ b/include/uapi/linux/rds.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2008 Oracle. All rights reserved. * diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h index 0f272818a4d2..6b58371b1f0d 100644 --- a/include/uapi/linux/sysctl.h +++ b/include/uapi/linux/sysctl.h @@ -780,24 +780,6 @@ enum { NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, }; -/* proc/sys/net/irda */ -enum { - NET_IRDA_DISCOVERY=1, - NET_IRDA_DEVNAME=2, - NET_IRDA_DEBUG=3, - NET_IRDA_FAST_POLL=4, - NET_IRDA_DISCOVERY_SLOTS=5, - NET_IRDA_DISCOVERY_TIMEOUT=6, - NET_IRDA_SLOT_TIMEOUT=7, - NET_IRDA_MAX_BAUD_RATE=8, - NET_IRDA_MIN_TX_TURN_TIME=9, - NET_IRDA_MAX_TX_DATA_SIZE=10, - NET_IRDA_MAX_TX_WINDOW=11, - NET_IRDA_MAX_NOREPLY_TIME=12, - NET_IRDA_WARN_NOREPLY_TIME=13, - NET_IRDA_LAP_KEEPALIVE_TIME=14, -}; - /* CTL_FS names: */ enum diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h index 16a296612ba4..4c0338ea308a 100644 --- a/include/uapi/linux/time.h +++ b/include/uapi/linux/time.h @@ -73,7 +73,6 @@ struct __kernel_old_timeval { */ #define CLOCK_SGI_CYCLE 10 #define CLOCK_TAI 11 -#define CLOCK_MONOTONIC_ACTIVE 12 #define MAX_CLOCKS 16 #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) diff --git a/include/uapi/linux/tls.h b/include/uapi/linux/tls.h index c6633e97eca4..ff02287495ac 100644 --- a/include/uapi/linux/tls.h +++ b/include/uapi/linux/tls.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved. * diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h index 40297a3181ed..13b8cb563892 100644 --- a/include/uapi/linux/virtio_balloon.h +++ b/include/uapi/linux/virtio_balloon.h @@ -57,6 +57,21 @@ struct virtio_balloon_config { #define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 /* Hugetlb page allocation failures */ #define VIRTIO_BALLOON_S_NR 10 +#define VIRTIO_BALLOON_S_NAMES_WITH_PREFIX(VIRTIO_BALLOON_S_NAMES_prefix) { \ + VIRTIO_BALLOON_S_NAMES_prefix "swap-in", \ + VIRTIO_BALLOON_S_NAMES_prefix "swap-out", \ + VIRTIO_BALLOON_S_NAMES_prefix "major-faults", \ + VIRTIO_BALLOON_S_NAMES_prefix "minor-faults", \ + VIRTIO_BALLOON_S_NAMES_prefix "free-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "total-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "available-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "disk-caches", \ + VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-allocations", \ + VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures" \ +} + +#define VIRTIO_BALLOON_S_NAMES VIRTIO_BALLOON_S_NAMES_WITH_PREFIX("") + /* * Memory statistics structure. * Driver fills an array of these structures and passes to device. diff --git a/include/uapi/rdma/cxgb3-abi.h b/include/uapi/rdma/cxgb3-abi.h index 9acb4b7a6246..85aed672f43e 100644 --- a/include/uapi/rdma/cxgb3-abi.h +++ b/include/uapi/rdma/cxgb3-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2006 Chelsio, Inc. All rights reserved. * diff --git a/include/uapi/rdma/cxgb4-abi.h b/include/uapi/rdma/cxgb4-abi.h index 1fefd0140c26..a159ba8dcf8f 100644 --- a/include/uapi/rdma/cxgb4-abi.h +++ b/include/uapi/rdma/cxgb4-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved. * diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h index 7092c8de4bd8..78613b609fa8 100644 --- a/include/uapi/rdma/hns-abi.h +++ b/include/uapi/rdma/hns-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2016 Hisilicon Limited. * diff --git a/include/uapi/rdma/ib_user_cm.h b/include/uapi/rdma/ib_user_cm.h index 4a8f9562f7cd..e2709bb8cb18 100644 --- a/include/uapi/rdma/ib_user_cm.h +++ b/include/uapi/rdma/ib_user_cm.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Intel Corporation. All rights reserved. diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h index 04e46ea517d3..625545d862d7 100644 --- a/include/uapi/rdma/ib_user_ioctl_verbs.h +++ b/include/uapi/rdma/ib_user_ioctl_verbs.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2017-2018, Mellanox Technologies inc. All rights reserved. * diff --git a/include/uapi/rdma/ib_user_mad.h b/include/uapi/rdma/ib_user_mad.h index ef92118dad97..90c0cf228020 100644 --- a/include/uapi/rdma/ib_user_mad.h +++ b/include/uapi/rdma/ib_user_mad.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2004 Topspin Communications. All rights reserved. * Copyright (c) 2005 Voltaire, Inc. All rights reserved. diff --git a/include/uapi/rdma/ib_user_sa.h b/include/uapi/rdma/ib_user_sa.h index 0d2607f0cd20..435155d6e1c6 100644 --- a/include/uapi/rdma/ib_user_sa.h +++ b/include/uapi/rdma/ib_user_sa.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005 Intel Corporation. All rights reserved. * diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 9be07394fdbe..6aeb03315b0b 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. diff --git a/include/uapi/rdma/mlx4-abi.h b/include/uapi/rdma/mlx4-abi.h index 04f64bc4045f..f74557528175 100644 --- a/include/uapi/rdma/mlx4-abi.h +++ b/include/uapi/rdma/mlx4-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index cb4a02c4a1ce..fdaf00e20649 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. * diff --git a/include/uapi/rdma/mthca-abi.h b/include/uapi/rdma/mthca-abi.h index ac756cd9e807..91b12e1a6f43 100644 --- a/include/uapi/rdma/mthca-abi.h +++ b/include/uapi/rdma/mthca-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. diff --git a/include/uapi/rdma/nes-abi.h b/include/uapi/rdma/nes-abi.h index 35bfd4015d07..f80495baa969 100644 --- a/include/uapi/rdma/nes-abi.h +++ b/include/uapi/rdma/nes-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Topspin Communications. All rights reserved. diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h index 8ba098900e9a..24c658b3c790 100644 --- a/include/uapi/rdma/qedr-abi.h +++ b/include/uapi/rdma/qedr-abi.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* QLogic qedr NIC Driver * Copyright (c) 2015-2016 QLogic Corporation * diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h index e1269024af47..0d1e78ebad05 100644 --- a/include/uapi/rdma/rdma_user_cm.h +++ b/include/uapi/rdma/rdma_user_cm.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. * diff --git a/include/uapi/rdma/rdma_user_ioctl.h b/include/uapi/rdma/rdma_user_ioctl.h index d223f4164a0f..d92d2721b28c 100644 --- a/include/uapi/rdma/rdma_user_ioctl.h +++ b/include/uapi/rdma/rdma_user_ioctl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2016 Mellanox Technologies, LTD. All rights reserved. * diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h index 1f8a9e7daea4..44ef6a3b7afc 100644 --- a/include/uapi/rdma/rdma_user_rxe.h +++ b/include/uapi/rdma/rdma_user_rxe.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. * diff --git a/include/xen/interface/io/sndif.h b/include/xen/interface/io/sndif.h index 5c918276835e..78bb5d9f8d83 100644 --- a/include/xen/interface/io/sndif.h +++ b/include/xen/interface/io/sndif.h @@ -38,6 +38,13 @@ /* ****************************************************************************** + * Protocol version + ****************************************************************************** + */ +#define XENSND_PROTOCOL_VERSION 2 + +/* + ****************************************************************************** * Feature and Parameter Negotiation ****************************************************************************** * @@ -106,6 +113,8 @@ * * /local/domain/1/device/vsnd/0/0/0/ring-ref = "386" * /local/domain/1/device/vsnd/0/0/0/event-channel = "15" + * /local/domain/1/device/vsnd/0/0/0/evt-ring-ref = "1386" + * /local/domain/1/device/vsnd/0/0/0/evt-event-channel = "215" * *------------------------------ Stream 1, capture ---------------------------- * @@ -115,6 +124,8 @@ * * /local/domain/1/device/vsnd/0/0/1/ring-ref = "384" * /local/domain/1/device/vsnd/0/0/1/event-channel = "13" + * /local/domain/1/device/vsnd/0/0/1/evt-ring-ref = "1384" + * /local/domain/1/device/vsnd/0/0/1/evt-event-channel = "213" * *------------------------------- PCM device 1 -------------------------------- * @@ -128,6 +139,8 @@ * * /local/domain/1/device/vsnd/0/1/0/ring-ref = "387" * /local/domain/1/device/vsnd/0/1/0/event-channel = "151" + * /local/domain/1/device/vsnd/0/1/0/evt-ring-ref = "1387" + * /local/domain/1/device/vsnd/0/1/0/evt-event-channel = "351" * *------------------------------- PCM device 2 -------------------------------- * @@ -140,6 +153,8 @@ * * /local/domain/1/device/vsnd/0/2/0/ring-ref = "389" * /local/domain/1/device/vsnd/0/2/0/event-channel = "152" + * /local/domain/1/device/vsnd/0/2/0/evt-ring-ref = "1389" + * /local/domain/1/device/vsnd/0/2/0/evt-event-channel = "452" * ****************************************************************************** * Backend XenBus Nodes @@ -285,6 +300,23 @@ * The Xen grant reference granting permission for the backend to map * a sole page in a single page sized ring buffer. * + *--------------------- Stream Event Transport Parameters --------------------- + * + * This communication path is used to deliver asynchronous events from backend + * to frontend, set up per stream. + * + * evt-event-channel + * Values: <uint32_t> + * + * The identifier of the Xen event channel used to signal activity + * in the ring buffer. + * + * evt-ring-ref + * Values: <uint32_t> + * + * The Xen grant reference granting permission for the backend to map + * a sole page in a single page sized ring buffer. + * ****************************************************************************** * STATE DIAGRAMS ****************************************************************************** @@ -432,6 +464,20 @@ #define XENSND_OP_GET_VOLUME 5 #define XENSND_OP_MUTE 6 #define XENSND_OP_UNMUTE 7 +#define XENSND_OP_TRIGGER 8 +#define XENSND_OP_HW_PARAM_QUERY 9 + +#define XENSND_OP_TRIGGER_START 0 +#define XENSND_OP_TRIGGER_PAUSE 1 +#define XENSND_OP_TRIGGER_STOP 2 +#define XENSND_OP_TRIGGER_RESUME 3 + +/* + ****************************************************************************** + * EVENT CODES + ****************************************************************************** + */ +#define XENSND_EVT_CUR_POS 0 /* ****************************************************************************** @@ -448,6 +494,8 @@ #define XENSND_FIELD_VCARD_LONG_NAME "long-name" #define XENSND_FIELD_RING_REF "ring-ref" #define XENSND_FIELD_EVT_CHNL "event-channel" +#define XENSND_FIELD_EVT_RING_REF "evt-ring-ref" +#define XENSND_FIELD_EVT_EVT_CHNL "evt-event-channel" #define XENSND_FIELD_DEVICE_NAME "name" #define XENSND_FIELD_TYPE "type" #define XENSND_FIELD_STREAM_UNIQUE_ID "unique-id" @@ -526,7 +574,7 @@ * *---------------------------------- Requests --------------------------------- * - * All request packets have the same length (32 octets) + * All request packets have the same length (64 octets) * All request packets have common header: * 0 1 2 3 octet * +----------------+----------------+----------------+----------------+ @@ -559,11 +607,13 @@ * +----------------+----------------+----------------+----------------+ * | gref_directory | 24 * +----------------+----------------+----------------+----------------+ - * | reserved | 28 + * | period_sz | 28 + * +----------------+----------------+----------------+----------------+ + * | reserved | 32 * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * pcm_rate - uint32_t, stream data rate, Hz @@ -571,6 +621,14 @@ * pcm_channels - uint8_t, number of channels of this stream, * [channels-min; channels-max] * buffer_sz - uint32_t, buffer size to be allocated, octets + * period_sz - uint32_t, event period size, octets + * This is the requested value of the period at which frontend would + * like to receive XENSND_EVT_CUR_POS notifications from the backend when + * stream position advances during playback/capture. + * It shows how many octets are expected to be played/captured before + * sending such an event. + * If set to 0 no XENSND_EVT_CUR_POS events are sent by the backend. + * * gref_directory - grant_ref_t, a reference to the first shared page * describing shared buffer references. At least one page exists. If shared * buffer size (buffer_sz) exceeds what can be addressed by this single page, @@ -585,6 +643,7 @@ struct xensnd_open_req { uint16_t reserved; uint32_t buffer_sz; grant_ref_t gref_directory; + uint32_t period_sz; }; /* @@ -632,7 +691,7 @@ struct xensnd_page_directory { * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * Request read/write - used for read (for capture) or write (for playback): @@ -650,7 +709,7 @@ struct xensnd_page_directory { * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_READ for read or XENSND_OP_WRITE for write @@ -673,9 +732,11 @@ struct xensnd_rw_req { * +----------------+----------------+----------------+----------------+ * | length | 16 * +----------------+----------------+----------------+----------------+ + * | reserved | 20 + * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_SET_VOLUME for volume set @@ -713,9 +774,11 @@ struct xensnd_rw_req { * +----------------+----------------+----------------+----------------+ * | length | 16 * +----------------+----------------+----------------+----------------+ + * | reserved | 20 + * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_MUTE for mute or XENSND_OP_UNMUTE for unmute @@ -743,32 +806,213 @@ struct xensnd_rw_req { * * The 'struct xensnd_rw_req' is also used for XENSND_OP_SET_VOLUME, * XENSND_OP_GET_VOLUME, XENSND_OP_MUTE, XENSND_OP_UNMUTE. + * + * Request stream running state change - trigger PCM stream running state + * to start, stop, pause or resume: + * + * 0 1 2 3 octet + * +----------------+----------------+----------------+----------------+ + * | id | _OP_TRIGGER | reserved | 4 + * +----------------+----------------+----------------+----------------+ + * | reserved | 8 + * +----------------+----------------+----------------+----------------+ + * | type | reserved | 12 + * +----------------+----------------+----------------+----------------+ + * | reserved | 16 + * +----------------+----------------+----------------+----------------+ + * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| + * +----------------+----------------+----------------+----------------+ + * | reserved | 64 + * +----------------+----------------+----------------+----------------+ + * + * type - uint8_t, XENSND_OP_TRIGGER_XXX value */ +struct xensnd_trigger_req { + uint8_t type; +}; + /* - *---------------------------------- Responses -------------------------------- + * Request stream parameter ranges: request intervals and + * masks of supported ranges for stream configuration values. * - * All response packets have the same length (32 octets) + * Sound device configuration for a particular stream is a limited subset + * of the multidimensional configuration available on XenStore, e.g. + * once the frame rate has been selected there is a limited supported range + * for sample rates becomes available (which might be the same set configured + * on XenStore or less). For example, selecting 96kHz sample rate may limit + * number of channels available for such configuration from 4 to 2, etc. + * Thus, each call to XENSND_OP_HW_PARAM_QUERY may reduce configuration + * space making it possible to iteratively get the final stream configuration, + * used in XENSND_OP_OPEN request. + * + * See response format for this request. * - * Response for all requests: * 0 1 2 3 octet * +----------------+----------------+----------------+----------------+ - * | id | operation | reserved | 4 + * | id | _HW_PARAM_QUERY| reserved | 4 * +----------------+----------------+----------------+----------------+ - * | status | 8 + * | reserved | 8 + * +----------------+----------------+----------------+----------------+ + * | formats mask low 32-bit | 12 + * +----------------+----------------+----------------+----------------+ + * | formats mask high 32-bit | 16 * +----------------+----------------+----------------+----------------+ - * | reserved | 12 + * | min rate | 20 + * +----------------+----------------+----------------+----------------+ + * | max rate | 24 + * +----------------+----------------+----------------+----------------+ + * | min channels | 28 + * +----------------+----------------+----------------+----------------+ + * | max channels | 32 + * +----------------+----------------+----------------+----------------+ + * | min buffer frames | 36 + * +----------------+----------------+----------------+----------------+ + * | max buffer frames | 40 + * +----------------+----------------+----------------+----------------+ + * | min period frames | 44 + * +----------------+----------------+----------------+----------------+ + * | max period frames | 48 + * +----------------+----------------+----------------+----------------+ + * | reserved | 52 * +----------------+----------------+----------------+----------------+ * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 + * +----------------+----------------+----------------+----------------+ + * + * formats - uint64_t, bit mask representing values of the parameter + * made as bitwise OR of (1 << XENSND_PCM_FORMAT_XXX) values + * + * For interval parameters: + * min - uint32_t, minimum value of the parameter + * max - uint32_t, maximum value of the parameter + * + * Frame is defined as a product of the number of channels by the + * number of octets per one sample. + */ + +struct xensnd_query_hw_param { + uint64_t formats; + struct { + uint32_t min; + uint32_t max; + } rates; + struct { + uint32_t min; + uint32_t max; + } channels; + struct { + uint32_t min; + uint32_t max; + } buffer; + struct { + uint32_t min; + uint32_t max; + } period; +}; + +/* + *---------------------------------- Responses -------------------------------- + * + * All response packets have the same length (64 octets) + * + * All response packets have common header: + * 0 1 2 3 octet + * +----------------+----------------+----------------+----------------+ + * | id | operation | reserved | 4 + * +----------------+----------------+----------------+----------------+ + * | status | 8 * +----------------+----------------+----------------+----------------+ * * id - uint16_t, copied from the request * operation - uint8_t, XENSND_OP_* - copied from request * status - int32_t, response status, zero on success and -XEN_EXX on failure + * + * + * HW parameter query response - response for XENSND_OP_HW_PARAM_QUERY: + * 0 1 2 3 octet + * +----------------+----------------+----------------+----------------+ + * | id | operation | reserved | 4 + * +----------------+----------------+----------------+----------------+ + * | status | 8 + * +----------------+----------------+----------------+----------------+ + * | formats mask low 32-bit | 12 + * +----------------+----------------+----------------+----------------+ + * | formats mask high 32-bit | 16 + * +----------------+----------------+----------------+----------------+ + * | min rate | 20 + * +----------------+----------------+----------------+----------------+ + * | max rate | 24 + * +----------------+----------------+----------------+----------------+ + * | min channels | 28 + * +----------------+----------------+----------------+----------------+ + * | max channels | 32 + * +----------------+----------------+----------------+----------------+ + * | min buffer frames | 36 + * +----------------+----------------+----------------+----------------+ + * | max buffer frames | 40 + * +----------------+----------------+----------------+----------------+ + * | min period frames | 44 + * +----------------+----------------+----------------+----------------+ + * | max period frames | 48 + * +----------------+----------------+----------------+----------------+ + * | reserved | 52 + * +----------------+----------------+----------------+----------------+ + * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| + * +----------------+----------------+----------------+----------------+ + * | reserved | 64 + * +----------------+----------------+----------------+----------------+ + * + * Meaning of the values in this response is the same as for + * XENSND_OP_HW_PARAM_QUERY request. + */ + +/* + *----------------------------------- Events ---------------------------------- + * + * Events are sent via shared page allocated by the front and propagated by + * evt-event-channel/evt-ring-ref XenStore entries + * All event packets have the same length (64 octets) + * All event packets have common header: + * 0 1 2 3 octet + * +----------------+----------------+----------------+----------------+ + * | id | type | reserved | 4 + * +----------------+----------------+----------------+----------------+ + * | reserved | 8 + * +----------------+----------------+----------------+----------------+ + * + * id - uint16_t, event id, may be used by front + * type - uint8_t, type of the event + * + * + * Current stream position - event from back to front when stream's + * playback/capture position has advanced: + * 0 1 2 3 octet + * +----------------+----------------+----------------+----------------+ + * | id | _EVT_CUR_POS | reserved | 4 + * +----------------+----------------+----------------+----------------+ + * | reserved | 8 + * +----------------+----------------+----------------+----------------+ + * | position low 32-bit | 12 + * +----------------+----------------+----------------+----------------+ + * | position high 32-bit | 16 + * +----------------+----------------+----------------+----------------+ + * | reserved | 20 + * +----------------+----------------+----------------+----------------+ + * |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/| + * +----------------+----------------+----------------+----------------+ + * | reserved | 64 + * +----------------+----------------+----------------+----------------+ + * + * position - current value of stream's playback/capture position, octets + * */ +struct xensnd_cur_pos_evt { + uint64_t position; +}; + struct xensnd_req { uint16_t id; uint8_t operation; @@ -776,7 +1020,9 @@ struct xensnd_req { union { struct xensnd_open_req open; struct xensnd_rw_req rw; - uint8_t reserved[24]; + struct xensnd_trigger_req trigger; + struct xensnd_query_hw_param hw_param; + uint8_t reserved[56]; } op; }; @@ -785,9 +1031,53 @@ struct xensnd_resp { uint8_t operation; uint8_t reserved; int32_t status; - uint8_t reserved1[24]; + union { + struct xensnd_query_hw_param hw_param; + uint8_t reserved1[56]; + } resp; +}; + +struct xensnd_evt { + uint16_t id; + uint8_t type; + uint8_t reserved[5]; + union { + struct xensnd_cur_pos_evt cur_pos; + uint8_t reserved[56]; + } op; }; DEFINE_RING_TYPES(xen_sndif, struct xensnd_req, struct xensnd_resp); +/* + ****************************************************************************** + * Back to front events delivery + ****************************************************************************** + * In order to deliver asynchronous events from back to front a shared page is + * allocated by front and its granted reference propagated to back via + * XenStore entries (evt-ring-ref/evt-event-channel). + * This page has a common header used by both front and back to synchronize + * access and control event's ring buffer, while back being a producer of the + * events and front being a consumer. The rest of the page after the header + * is used for event packets. + * + * Upon reception of an event(s) front may confirm its reception + * for either each event, group of events or none. + */ + +struct xensnd_event_page { + uint32_t in_cons; + uint32_t in_prod; + uint8_t reserved[56]; +}; + +#define XENSND_EVENT_PAGE_SIZE XEN_PAGE_SIZE +#define XENSND_IN_RING_OFFS (sizeof(struct xensnd_event_page)) +#define XENSND_IN_RING_SIZE (XENSND_EVENT_PAGE_SIZE - XENSND_IN_RING_OFFS) +#define XENSND_IN_RING_LEN (XENSND_IN_RING_SIZE / sizeof(struct xensnd_evt)) +#define XENSND_IN_RING(page) \ + ((struct xensnd_evt *)((char *)(page) + XENSND_IN_RING_OFFS)) +#define XENSND_IN_RING_REF(page, idx) \ + (XENSND_IN_RING((page))[(idx) % XENSND_IN_RING_LEN]) + #endif /* __XEN_PUBLIC_IO_SNDIF_H__ */ |