diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/debugfs.h | 44 | ||||
| -rw-r--r-- | include/linux/device.h | 66 | ||||
| -rw-r--r-- | include/linux/device/bus.h | 8 | ||||
| -rw-r--r-- | include/linux/device/class.h | 10 | ||||
| -rw-r--r-- | include/linux/device/driver.h | 2 | ||||
| -rw-r--r-- | include/linux/fsl/mc.h | 30 | ||||
| -rw-r--r-- | include/linux/kobject_ns.h | 2 | ||||
| -rw-r--r-- | include/linux/sysfs.h | 6 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 4 |
9 files changed, 119 insertions, 53 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 59444b495d49..fa2568b4380d 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -67,21 +67,23 @@ static const struct file_operations __fops = { \ typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *); -#if defined(CONFIG_DEBUG_FS) - -struct dentry *debugfs_lookup(const char *name, struct dentry *parent); - struct debugfs_short_fops { ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *); loff_t (*llseek) (struct file *, loff_t, int); }; +#if defined(CONFIG_DEBUG_FS) + +struct dentry *debugfs_lookup(const char *name, struct dentry *parent); + struct dentry *debugfs_create_file_full(const char *name, umode_t mode, struct dentry *parent, void *data, + const void *aux, const struct file_operations *fops); struct dentry *debugfs_create_file_short(const char *name, umode_t mode, struct dentry *parent, void *data, + const void *aux, const struct debugfs_short_fops *fops); /** @@ -126,7 +128,15 @@ struct dentry *debugfs_create_file_short(const char *name, umode_t mode, const struct debugfs_short_fops *: debugfs_create_file_short, \ struct file_operations *: debugfs_create_file_full, \ struct debugfs_short_fops *: debugfs_create_file_short) \ - (name, mode, parent, data, fops) + (name, mode, parent, data, NULL, fops) + +#define debugfs_create_file_aux(name, mode, parent, data, aux, fops) \ + _Generic(fops, \ + const struct file_operations *: debugfs_create_file_full, \ + const struct debugfs_short_fops *: debugfs_create_file_short, \ + struct file_operations *: debugfs_create_file_full, \ + struct debugfs_short_fops *: debugfs_create_file_short) \ + (name, mode, parent, data, aux, fops) struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode, struct dentry *parent, void *data, @@ -153,6 +163,7 @@ void debugfs_remove(struct dentry *dentry); void debugfs_lookup_and_remove(const char *name, struct dentry *parent); const struct file_operations *debugfs_real_fops(const struct file *filp); +const void *debugfs_get_aux(const struct file *file); int debugfs_file_get(struct dentry *dentry); void debugfs_file_put(struct dentry *dentry); @@ -164,8 +175,7 @@ ssize_t debugfs_attr_write(struct file *file, const char __user *buf, ssize_t debugfs_attr_write_signed(struct file *file, const char __user *buf, size_t len, loff_t *ppos); -struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, - struct dentry *new_dir, const char *new_name); +int debugfs_change_name(struct dentry *dentry, const char *fmt, ...) __printf(2, 3); void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value); @@ -259,6 +269,14 @@ static inline struct dentry *debugfs_lookup(const char *name, return ERR_PTR(-ENODEV); } +static inline struct dentry *debugfs_create_file_aux(const char *name, + umode_t mode, struct dentry *parent, + void *data, void *aux, + const void *fops) +{ + return ERR_PTR(-ENODEV); +} + static inline struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const void *fops) @@ -312,6 +330,7 @@ static inline void debugfs_lookup_and_remove(const char *name, { } const struct file_operations *debugfs_real_fops(const struct file *filp); +void *debugfs_get_aux(const struct file *file); static inline int debugfs_file_get(struct dentry *dentry) { @@ -341,10 +360,10 @@ static inline ssize_t debugfs_attr_write_signed(struct file *file, return -ENODEV; } -static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, - struct dentry *new_dir, char *new_name) +static inline int __printf(2, 3) debugfs_change_name(struct dentry *dentry, + const char *fmt, ...) { - return ERR_PTR(-ENODEV); + return -ENODEV; } static inline void debugfs_create_u8(const char *name, umode_t mode, @@ -452,6 +471,11 @@ static inline ssize_t debugfs_read_file_str(struct file *file, #endif +#define debugfs_create_file_aux_num(name, mode, parent, data, n, fops) \ + debugfs_create_file_aux(name, mode, parent, data, \ + (void *)(unsigned long)n, fops) +#define debugfs_get_aux_num(f) (unsigned long)debugfs_get_aux(f) + /** * debugfs_create_xul - create a debugfs file that is used to read and write an * unsigned long value, formatted in hexadecimal diff --git a/include/linux/device.h b/include/linux/device.h index 667cb6db9019..80a5b3268986 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -399,7 +399,23 @@ void __iomem *devm_of_iomap(struct device *dev, #endif /* allows to add/remove a custom action to devres stack */ -void devm_remove_action(struct device *dev, void (*action)(void *), void *data); +int devm_remove_action_nowarn(struct device *dev, void (*action)(void *), void *data); + +/** + * devm_remove_action() - removes previously added custom action + * @dev: Device that owns the action + * @action: Function implementing the action + * @data: Pointer to data passed to @action implementation + * + * Removes instance of @action previously added by devm_add_action(). + * Both action and data should match one of the existing entries. + */ +static inline +void devm_remove_action(struct device *dev, void (*action)(void *), void *data) +{ + WARN_ON(devm_remove_action_nowarn(dev, action, data)); +} + void devm_release_action(struct device *dev, void (*action)(void *), void *data); int __devm_add_action(struct device *dev, void (*action)(void *), void *data, const char *name); @@ -1074,18 +1090,44 @@ void device_del(struct device *dev); DEFINE_FREE(device_del, struct device *, if (_T) device_del(_T)) -int device_for_each_child(struct device *dev, void *data, - int (*fn)(struct device *dev, void *data)); -int device_for_each_child_reverse(struct device *dev, void *data, - int (*fn)(struct device *dev, void *data)); +int device_for_each_child(struct device *parent, void *data, + device_iter_t fn); +int device_for_each_child_reverse(struct device *parent, void *data, + device_iter_t fn); int device_for_each_child_reverse_from(struct device *parent, - struct device *from, const void *data, - int (*fn)(struct device *, const void *)); -struct device *device_find_child(struct device *dev, void *data, - int (*match)(struct device *dev, void *data)); -struct device *device_find_child_by_name(struct device *parent, - const char *name); -struct device *device_find_any_child(struct device *parent); + struct device *from, void *data, + device_iter_t fn); +struct device *device_find_child(struct device *parent, const void *data, + device_match_t match); +/** + * device_find_child_by_name - device iterator for locating a child device. + * @parent: parent struct device + * @name: name of the child device + * + * This is similar to the device_find_child() function above, but it + * returns a reference to a device that has the name @name. + * + * NOTE: you will need to drop the reference with put_device() after use. + */ +static inline struct device *device_find_child_by_name(struct device *parent, + const char *name) +{ + return device_find_child(parent, name, device_match_name); +} + +/** + * device_find_any_child - device iterator for locating a child device, if any. + * @parent: parent struct device + * + * This is similar to the device_find_child() function above, but it + * returns a reference to a child device, if any. + * + * NOTE: you will need to drop the reference with put_device() after use. + */ +static inline struct device *device_find_any_child(struct device *parent) +{ + return device_find_child(parent, NULL, device_match_any); +} int device_rename(struct device *dev, const char *new_name); int device_move(struct device *dev, struct device *new_parent, diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index b18658bce2c3..f5a56efd2bd6 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -134,6 +134,7 @@ typedef int (*device_match_t)(struct device *dev, const void *data); /* Generic device matching functions that all busses can use to match with */ int device_match_name(struct device *dev, const void *name); +int device_match_type(struct device *dev, const void *type); int device_match_of_node(struct device *dev, const void *np); int device_match_fwnode(struct device *dev, const void *fwnode); int device_match_devt(struct device *dev, const void *pdevt); @@ -141,9 +142,12 @@ int device_match_acpi_dev(struct device *dev, const void *adev); int device_match_acpi_handle(struct device *dev, const void *handle); int device_match_any(struct device *dev, const void *unused); +/* Device iterating function type for various driver core for_each APIs */ +typedef int (*device_iter_t)(struct device *dev, void *data); + /* iterator helpers for buses */ -int bus_for_each_dev(const struct bus_type *bus, struct device *start, void *data, - int (*fn)(struct device *dev, void *data)); +int bus_for_each_dev(const struct bus_type *bus, struct device *start, + void *data, device_iter_t fn); struct device *bus_find_device(const struct bus_type *bus, struct device *start, const void *data, device_match_t match); /** diff --git a/include/linux/device/class.h b/include/linux/device/class.h index 518c9c83d64b..45ee3a634999 100644 --- a/include/linux/device/class.h +++ b/include/linux/device/class.h @@ -82,18 +82,16 @@ bool class_is_registered(const struct class *class); struct class_compat; struct class_compat *class_compat_register(const char *name); void class_compat_unregister(struct class_compat *cls); -int class_compat_create_link(struct class_compat *cls, struct device *dev, - struct device *device_link); -void class_compat_remove_link(struct class_compat *cls, struct device *dev, - struct device *device_link); +int class_compat_create_link(struct class_compat *cls, struct device *dev); +void class_compat_remove_link(struct class_compat *cls, struct device *dev); void class_dev_iter_init(struct class_dev_iter *iter, const struct class *class, const struct device *start, const struct device_type *type); struct device *class_dev_iter_next(struct class_dev_iter *iter); void class_dev_iter_exit(struct class_dev_iter *iter); -int class_for_each_device(const struct class *class, const struct device *start, void *data, - int (*fn)(struct device *dev, void *data)); +int class_for_each_device(const struct class *class, const struct device *start, + void *data, device_iter_t fn); struct device *class_find_device(const struct class *class, const struct device *start, const void *data, device_match_t match); diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h index 5c04b8e3833b..cd8e0f0a634b 100644 --- a/include/linux/device/driver.h +++ b/include/linux/device/driver.h @@ -154,7 +154,7 @@ void driver_remove_file(const struct device_driver *driver, int driver_set_override(struct device *dev, const char **override, const char *s, size_t len); int __must_check driver_for_each_device(struct device_driver *drv, struct device *start, - void *data, int (*fn)(struct device *dev, void *)); + void *data, device_iter_t fn); struct device *driver_find_device(const struct device_driver *drv, struct device *start, const void *data, device_match_t match); diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index c90ec889bfc2..99f30c7d6208 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -438,21 +438,21 @@ struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev, extern const struct bus_type fsl_mc_bus_type; -extern struct device_type fsl_mc_bus_dprc_type; -extern struct device_type fsl_mc_bus_dpni_type; -extern struct device_type fsl_mc_bus_dpio_type; -extern struct device_type fsl_mc_bus_dpsw_type; -extern struct device_type fsl_mc_bus_dpbp_type; -extern struct device_type fsl_mc_bus_dpcon_type; -extern struct device_type fsl_mc_bus_dpmcp_type; -extern struct device_type fsl_mc_bus_dpmac_type; -extern struct device_type fsl_mc_bus_dprtc_type; -extern struct device_type fsl_mc_bus_dpseci_type; -extern struct device_type fsl_mc_bus_dpdmux_type; -extern struct device_type fsl_mc_bus_dpdcei_type; -extern struct device_type fsl_mc_bus_dpaiop_type; -extern struct device_type fsl_mc_bus_dpci_type; -extern struct device_type fsl_mc_bus_dpdmai_type; +extern const struct device_type fsl_mc_bus_dprc_type; +extern const struct device_type fsl_mc_bus_dpni_type; +extern const struct device_type fsl_mc_bus_dpio_type; +extern const struct device_type fsl_mc_bus_dpsw_type; +extern const struct device_type fsl_mc_bus_dpbp_type; +extern const struct device_type fsl_mc_bus_dpcon_type; +extern const struct device_type fsl_mc_bus_dpmcp_type; +extern const struct device_type fsl_mc_bus_dpmac_type; +extern const struct device_type fsl_mc_bus_dprtc_type; +extern const struct device_type fsl_mc_bus_dpseci_type; +extern const struct device_type fsl_mc_bus_dpdmux_type; +extern const struct device_type fsl_mc_bus_dpdcei_type; +extern const struct device_type fsl_mc_bus_dpaiop_type; +extern const struct device_type fsl_mc_bus_dpci_type; +extern const struct device_type fsl_mc_bus_dpdmai_type; static inline bool is_fsl_mc_bus_dprc(const struct fsl_mc_device *mc_dev) { diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h index be707748e7ce..150fe2ae1b6b 100644 --- a/include/linux/kobject_ns.h +++ b/include/linux/kobject_ns.h @@ -52,8 +52,6 @@ const struct kobj_ns_type_operations *kobj_ns_ops(const struct kobject *kobj); bool kobj_ns_current_may_mount(enum kobj_ns_type type); void *kobj_ns_grab_current(enum kobj_ns_type type); -const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk); -const void *kobj_ns_initial(enum kobj_ns_type type); void kobj_ns_drop(enum kobj_ns_type type, void *ns); #endif /* _LINUX_KOBJECT_NS_H */ diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 0f2fcd244523..18f7e1fd093c 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -293,7 +293,7 @@ __ATTRIBUTE_GROUPS(_name) #define BIN_ATTRIBUTE_GROUPS(_name) \ static const struct attribute_group _name##_group = { \ - .bin_attrs = _name##_attrs, \ + .bin_attrs_new = _name##_attrs, \ }; \ __ATTRIBUTE_GROUPS(_name) @@ -511,7 +511,7 @@ __printf(3, 4) int sysfs_emit_at(char *buf, int at, const char *fmt, ...); ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj, - struct bin_attribute *attr, char *buf, + const struct bin_attribute *attr, char *buf, loff_t off, size_t count); #else /* CONFIG_SYSFS */ @@ -774,7 +774,7 @@ static inline int sysfs_emit_at(char *buf, int at, const char *fmt, ...) static inline ssize_t sysfs_bin_attr_simple_read(struct file *file, struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, char *buf, loff_t off, size_t count) { diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 5474494a1e99..76de2b662f4f 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -493,8 +493,8 @@ extern void iscsi_destroy_all_flashnode(struct Scsi_Host *shost); extern int iscsi_flashnode_bus_match(struct device *dev, const struct device_driver *drv); extern struct device * -iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data, - int (*fn)(struct device *dev, void *data)); +iscsi_find_flashnode_sess(struct Scsi_Host *shost, const void *data, + device_match_t fn); extern struct device * iscsi_find_flashnode_conn(struct iscsi_bus_flash_session *fnode_sess); |
