Refactoring: Rename lttng_channel_syscall_mask to lttng_syscall_table_get_active_mask
[lttng-modules.git] / src / lttng-abi.c
index aa1b0195eff6515ddee759871cc3fd4e25ee2f51..63cce39c8c97c3f3f9e8028c15c4bb2bd553cd71 100644 (file)
@@ -34,6 +34,7 @@
 #include <ringbuffer/vfs.h>
 #include <ringbuffer/backend.h>
 #include <ringbuffer/frontend.h>
+#include <wrapper/compiler_attributes.h>
 #include <wrapper/poll.h>
 #include <wrapper/file.h>
 #include <wrapper/kref.h>
@@ -491,7 +492,7 @@ int lttng_abi_create_channel(struct file *session_file,
        struct lttng_kernel_session *session = session_file->private_data;
        const struct file_operations *fops = NULL;
        const char *transport_name;
-       struct lttng_channel *chan;
+       struct lttng_kernel_channel_buffer *chan;
        struct file *chan_file;
        int chan_fd;
        int ret = 0;
@@ -549,7 +550,7 @@ int lttng_abi_create_channel(struct file *session_file,
         * We tolerate no failure path after channel creation. It will stay
         * invariant for the rest of the session.
         */
-       chan = lttng_channel_create(session, transport_name, NULL,
+       chan = lttng_channel_buffer_create(session, transport_name, NULL,
                                  chan_param->subbuf_size,
                                  chan_param->num_subbuf,
                                  chan_param->switch_timer_interval,
@@ -559,7 +560,7 @@ int lttng_abi_create_channel(struct file *session_file,
                ret = -EINVAL;
                goto chan_error;
        }
-       chan->file = chan_file;
+       chan->priv->parent.file = chan_file;
        chan_file->private_data = chan;
        fd_install(chan_fd, chan_file);
 
@@ -999,8 +1000,8 @@ ssize_t lttng_event_notifier_group_notif_read(struct file *filp, char __user *us
                size_t count, loff_t *ppos)
 {
        struct lttng_event_notifier_group *event_notifier_group = filp->private_data;
-       struct channel *chan = event_notifier_group->chan;
-       struct lib_ring_buffer *buf = event_notifier_group->buf;
+       struct lttng_kernel_ring_buffer_channel *chan = event_notifier_group->chan;
+       struct lttng_kernel_ring_buffer *buf = event_notifier_group->buf;
        ssize_t read_count = 0, len;
        size_t read_offset;
 
@@ -1105,9 +1106,9 @@ unsigned int lttng_event_notifier_group_notif_poll(struct file *filp,
 {
        unsigned int mask = 0;
        struct lttng_event_notifier_group *event_notifier_group = filp->private_data;
-       struct channel *chan = event_notifier_group->chan;
-       struct lib_ring_buffer *buf = event_notifier_group->buf;
-       const struct lib_ring_buffer_config *config = &chan->backend.config;
+       struct lttng_kernel_ring_buffer_channel *chan = event_notifier_group->chan;
+       struct lttng_kernel_ring_buffer *buf = event_notifier_group->buf;
+       const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config;
        int finalized, disabled;
        unsigned long consumed, offset;
        size_t subbuffer_header_size = config->cb.subbuffer_header_size();
@@ -1179,7 +1180,7 @@ retry:
 static int lttng_event_notifier_group_notif_open(struct inode *inode, struct file *file)
 {
        struct lttng_event_notifier_group *event_notifier_group = inode->i_private;
-       struct lib_ring_buffer *buf = event_notifier_group->buf;
+       struct lttng_kernel_ring_buffer *buf = event_notifier_group->buf;
 
        file->private_data = event_notifier_group;
        return lib_ring_buffer_open(inode, file, buf);
@@ -1195,7 +1196,7 @@ static int lttng_event_notifier_group_notif_open(struct inode *inode, struct fil
 static int lttng_event_notifier_group_notif_release(struct inode *inode, struct file *file)
 {
        struct lttng_event_notifier_group *event_notifier_group = file->private_data;
-       struct lib_ring_buffer *buf = event_notifier_group->buf;
+       struct lttng_kernel_ring_buffer *buf = event_notifier_group->buf;
        int ret;
 
        ret = lib_ring_buffer_release(inode, file, buf);
@@ -1225,7 +1226,7 @@ unsigned int lttng_metadata_ring_buffer_poll(struct file *filp,
                poll_table *wait)
 {
        struct lttng_metadata_stream *stream = filp->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
        int finalized;
        unsigned int mask = 0;
 
@@ -1301,7 +1302,7 @@ long lttng_metadata_ring_buffer_ioctl(struct file *filp,
 {
        int ret;
        struct lttng_metadata_stream *stream = filp->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
        unsigned int rb_cmd;
        bool coherent;
 
@@ -1314,8 +1315,8 @@ long lttng_metadata_ring_buffer_ioctl(struct file *filp,
        case LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                ret = lttng_metadata_output_channel(stream, chan, NULL);
                if (ret > 0) {
@@ -1332,12 +1333,13 @@ long lttng_metadata_ring_buffer_ioctl(struct file *filp,
                 */
                return -ENOSYS;
        }
-       case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY:  /* Fall-through. */
+       case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                /*
                 * Before doing the actual ring buffer flush, write up to one
@@ -1363,8 +1365,8 @@ long lttng_metadata_ring_buffer_ioctl(struct file *filp,
        case LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                ret = lttng_metadata_output_channel(stream, chan, &coherent);
                if (ret > 0) {
@@ -1410,7 +1412,7 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
 {
        int ret;
        struct lttng_metadata_stream *stream = filp->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
        unsigned int rb_cmd;
        bool coherent;
 
@@ -1423,8 +1425,8 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
        case LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                ret = lttng_metadata_output_channel(stream, chan, NULL);
                if (ret > 0) {
@@ -1441,12 +1443,13 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
                 */
                return -ENOSYS;
        }
-       case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY:  /* Fall-through. */
+       case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH_EMPTY:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_RING_BUFFER_FLUSH:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                /*
                 * Before doing the actual ring buffer flush, write up to one
@@ -1472,8 +1475,8 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
        case LTTNG_KERNEL_ABI_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK:
        {
                struct lttng_metadata_stream *stream = filp->private_data;
-               struct lib_ring_buffer *buf = stream->priv;
-               struct channel *chan = buf->backend.chan;
+               struct lttng_kernel_ring_buffer *buf = stream->priv;
+               struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 
                ret = lttng_metadata_output_channel(stream, chan, &coherent);
                if (ret > 0) {
@@ -1521,7 +1524,7 @@ static
 int lttng_metadata_ring_buffer_open(struct inode *inode, struct file *file)
 {
        struct lttng_metadata_stream *stream = inode->i_private;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
 
        file->private_data = buf;
        /*
@@ -1539,7 +1542,7 @@ static
 int lttng_metadata_ring_buffer_release(struct inode *inode, struct file *file)
 {
        struct lttng_metadata_stream *stream = file->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
 
        mutex_lock(&stream->metadata_cache->lock);
        list_del(&stream->list);
@@ -1556,7 +1559,7 @@ ssize_t lttng_metadata_ring_buffer_splice_read(struct file *in, loff_t *ppos,
                unsigned int flags)
 {
        struct lttng_metadata_stream *stream = in->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
 
        return lib_ring_buffer_splice_read(in, ppos, pipe, len,
                        flags, buf);
@@ -1567,7 +1570,7 @@ int lttng_metadata_ring_buffer_mmap(struct file *filp,
                struct vm_area_struct *vma)
 {
        struct lttng_metadata_stream *stream = filp->private_data;
-       struct lib_ring_buffer *buf = stream->priv;
+       struct lttng_kernel_ring_buffer *buf = stream->priv;
 
        return lib_ring_buffer_mmap(filp, vma, buf);
 }
@@ -1627,12 +1630,12 @@ fd_error:
 static
 int lttng_abi_open_stream(struct file *channel_file)
 {
-       struct lttng_channel *channel = channel_file->private_data;
-       struct lib_ring_buffer *buf;
+       struct lttng_kernel_channel_buffer *channel = channel_file->private_data;
+       struct lttng_kernel_ring_buffer *buf;
        int ret;
        void *stream_priv;
 
-       buf = channel->ops->priv->buffer_read_open(channel->chan);
+       buf = channel->ops->priv->buffer_read_open(channel->priv->rb_chan);
        if (!buf)
                return -ENOENT;
 
@@ -1653,14 +1656,14 @@ fd_error:
 static
 int lttng_abi_open_metadata_stream(struct file *channel_file)
 {
-       struct lttng_channel *channel = channel_file->private_data;
-       struct lttng_kernel_session *session = channel->session;
-       struct lib_ring_buffer *buf;
+       struct lttng_kernel_channel_buffer *channel = channel_file->private_data;
+       struct lttng_kernel_session *session = channel->parent.session;
+       struct lttng_kernel_ring_buffer *buf;
        int ret;
        struct lttng_metadata_stream *metadata_stream;
        void *stream_priv;
 
-       buf = channel->ops->priv->buffer_read_open(channel->chan);
+       buf = channel->ops->priv->buffer_read_open(channel->priv->rb_chan);
        if (!buf)
                return -ENOENT;
 
@@ -1674,7 +1677,7 @@ int lttng_abi_open_metadata_stream(struct file *channel_file)
        init_waitqueue_head(&metadata_stream->read_wait);
        metadata_stream->priv = buf;
        stream_priv = metadata_stream;
-       metadata_stream->transport = channel->transport;
+       metadata_stream->transport = channel->priv->transport;
        /* Initial state is an empty metadata, considered as incoherent. */
        metadata_stream->coherent = false;
 
@@ -1720,8 +1723,8 @@ static
 int lttng_abi_open_event_notifier_group_stream(struct file *notif_file)
 {
        struct lttng_event_notifier_group *event_notifier_group = notif_file->private_data;
-       struct channel *chan = event_notifier_group->chan;
-       struct lib_ring_buffer *buf;
+       struct lttng_kernel_ring_buffer_channel *chan = event_notifier_group->chan;
+       struct lttng_kernel_ring_buffer *buf;
        int ret;
        void *stream_priv;
 
@@ -1758,8 +1761,10 @@ int lttng_abi_validate_event_param(struct lttng_kernel_abi_event *event_param)
        switch (event_param->instrumentation) {
        case LTTNG_KERNEL_ABI_SYSCALL:
                switch (event_param->u.syscall.entryexit) {
-               case LTTNG_KERNEL_ABI_SYSCALL_ENTRY:    /* Fall-through */
-               case LTTNG_KERNEL_ABI_SYSCALL_EXIT:             /* Fall-through */
+               case LTTNG_KERNEL_ABI_SYSCALL_ENTRY:
+                       lttng_fallthrough;
+               case LTTNG_KERNEL_ABI_SYSCALL_EXIT:
+                       lttng_fallthrough;
                case LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT:
                        break;
                default:
@@ -1783,20 +1788,26 @@ int lttng_abi_validate_event_param(struct lttng_kernel_abi_event *event_param)
                switch (event_param->u.kretprobe.entryexit) {
                case LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT:
                        break;
-               case LTTNG_KERNEL_ABI_SYSCALL_ENTRY:    /* Fall-through */
-               case LTTNG_KERNEL_ABI_SYSCALL_EXIT:             /* Fall-through */
+               case LTTNG_KERNEL_ABI_SYSCALL_ENTRY:
+                       lttng_fallthrough;
+               case LTTNG_KERNEL_ABI_SYSCALL_EXIT:
+                       lttng_fallthrough;
                default:
                        return -EINVAL;
                }
                break;
 
-       case LTTNG_KERNEL_ABI_TRACEPOINT:       /* Fall-through */
-       case LTTNG_KERNEL_ABI_KPROBE:   /* Fall-through */
+       case LTTNG_KERNEL_ABI_TRACEPOINT:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_KPROBE:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_UPROBE:
                break;
 
-       case LTTNG_KERNEL_ABI_FUNCTION: /* Fall-through */
-       case LTTNG_KERNEL_ABI_NOOP:             /* Fall-through */
+       case LTTNG_KERNEL_ABI_FUNCTION:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_NOOP:
+               lttng_fallthrough;
        default:
                return -EINVAL;
        }
@@ -1808,7 +1819,7 @@ int lttng_abi_create_event(struct file *channel_file,
                           struct lttng_kernel_abi_event *event_param)
 {
        const struct file_operations *fops;
-       struct lttng_channel *channel = channel_file->private_data;
+       struct lttng_kernel_channel_buffer *channel = channel_file->private_data;
        int event_fd, ret;
        struct file *event_file;
        void *priv;
@@ -1830,18 +1841,23 @@ int lttng_abi_create_event(struct file *channel_file,
        }
 
        switch (event_param->instrumentation) {
-       case LTTNG_KERNEL_ABI_TRACEPOINT:               /* Fall-through */
+       case LTTNG_KERNEL_ABI_TRACEPOINT:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_SYSCALL:
                fops = &lttng_event_recorder_enabler_fops;
                break;
-       case LTTNG_KERNEL_ABI_KPROBE:                   /* Fall-through */
-       case LTTNG_KERNEL_ABI_KRETPROBE:                /* Fall-through */
+       case LTTNG_KERNEL_ABI_KPROBE:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_KRETPROBE:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_UPROBE:
                fops = &lttng_event_recorder_event_fops;
                break;
 
-       case LTTNG_KERNEL_ABI_FUNCTION:                 /* Fall-through */
-       case LTTNG_KERNEL_ABI_NOOP:                     /* Fall-through */
+       case LTTNG_KERNEL_ABI_FUNCTION:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_NOOP:
+               lttng_fallthrough;
        default:
                return -EINVAL;
        }
@@ -1867,39 +1883,51 @@ int lttng_abi_create_event(struct file *channel_file,
                goto event_error;
 
        switch (event_param->instrumentation) {
-       case LTTNG_KERNEL_ABI_TRACEPOINT:               /* Fall-through */
+       case LTTNG_KERNEL_ABI_TRACEPOINT:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_SYSCALL:
        {
-               struct lttng_event_enabler *event_enabler;
+               struct lttng_event_recorder_enabler *event_enabler;
 
                if (strutils_is_star_glob_pattern(event_param->name)) {
                        /*
                         * If the event name is a star globbing pattern,
                         * we create the special star globbing enabler.
                         */
-                       event_enabler = lttng_event_enabler_create(LTTNG_ENABLER_FORMAT_STAR_GLOB,
+                       event_enabler = lttng_event_recorder_enabler_create(LTTNG_ENABLER_FORMAT_STAR_GLOB,
                                event_param, channel);
                } else {
-                       event_enabler = lttng_event_enabler_create(LTTNG_ENABLER_FORMAT_NAME,
+                       event_enabler = lttng_event_recorder_enabler_create(LTTNG_ENABLER_FORMAT_NAME,
                                event_param, channel);
                }
+               if (event_enabler)
+                       lttng_event_enabler_session_add(channel->parent.session, event_enabler);
                priv = event_enabler;
                break;
        }
 
-       case LTTNG_KERNEL_ABI_KPROBE:                   /* Fall-through */
-       case LTTNG_KERNEL_ABI_KRETPROBE:                /* Fall-through */
+       case LTTNG_KERNEL_ABI_KPROBE:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_KRETPROBE:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_UPROBE:
        {
                struct lttng_kernel_event_recorder *event;
+               struct lttng_event_recorder_enabler *event_enabler;
 
+               event_enabler = lttng_event_recorder_enabler_create(LTTNG_ENABLER_FORMAT_NAME,
+                               event_param, channel);
+               if (!event_enabler) {
+                       ret = -ENOMEM;
+                       goto event_error;
+               }
                /*
                 * We tolerate no failure path after event creation. It
                 * will stay invariant for the rest of the session.
                 */
-               event = lttng_kernel_event_recorder_create(channel, event_param,
-                               NULL, event_param->instrumentation);
+               event = lttng_kernel_event_recorder_create(event_enabler, NULL);
                WARN_ON_ONCE(!event);
+               lttng_event_enabler_destroy(&event_enabler->parent);
                if (IS_ERR(event)) {
                        ret = PTR_ERR(event);
                        goto event_error;
@@ -1908,8 +1936,10 @@ int lttng_abi_create_event(struct file *channel_file,
                break;
        }
 
-       case LTTNG_KERNEL_ABI_FUNCTION:                 /* Fall-through */
-       case LTTNG_KERNEL_ABI_NOOP:                     /* Fall-through */
+       case LTTNG_KERNEL_ABI_FUNCTION:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_NOOP:
+               lttng_fallthrough;
        default:
                ret = -EINVAL;
                goto event_error;
@@ -1957,12 +1987,11 @@ long lttng_event_notifier_enabler_ioctl(struct file *file, unsigned int cmd, uns
 
        switch (cmd) {
        case LTTNG_KERNEL_ABI_ENABLE:
-               return lttng_event_notifier_enabler_enable(event_notifier_enabler);
+               return lttng_event_enabler_enable(&event_notifier_enabler->parent);
        case LTTNG_KERNEL_ABI_DISABLE:
-               return lttng_event_notifier_enabler_disable(event_notifier_enabler);
+               return lttng_event_enabler_disable(&event_notifier_enabler->parent);
        case LTTNG_KERNEL_ABI_FILTER:
-               return lttng_event_notifier_enabler_attach_filter_bytecode(
-                               event_notifier_enabler,
+               return lttng_event_enabler_attach_filter_bytecode(&event_notifier_enabler->parent,
                        (struct lttng_kernel_abi_filter_bytecode __user *) arg);
        case LTTNG_KERNEL_ABI_CAPTURE:
                return lttng_event_notifier_enabler_attach_capture_bytecode(
@@ -2043,18 +2072,23 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
        }
 
        switch (event_notifier_param->event.instrumentation) {
-       case LTTNG_KERNEL_ABI_TRACEPOINT:               /* Fall-through */
+       case LTTNG_KERNEL_ABI_TRACEPOINT:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_SYSCALL:
                fops = &lttng_event_notifier_enabler_fops;
                break;
-       case LTTNG_KERNEL_ABI_KPROBE:                   /* Fall-through */
-       case LTTNG_KERNEL_ABI_KRETPROBE:                /* Fall-through */
+       case LTTNG_KERNEL_ABI_KPROBE:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_KRETPROBE:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_UPROBE:
                fops = &lttng_event_notifier_event_fops;
                break;
 
-       case LTTNG_KERNEL_ABI_FUNCTION:                 /* Fall-through */
-       case LTTNG_KERNEL_ABI_NOOP:                     /* Fall-through */
+       case LTTNG_KERNEL_ABI_FUNCTION:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_NOOP:
+               lttng_fallthrough;
        default:
                ret = -EINVAL;
                goto inval_instr;
@@ -2086,7 +2120,8 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
                goto event_notifier_error;
 
        switch (event_notifier_param->event.instrumentation) {
-       case LTTNG_KERNEL_ABI_TRACEPOINT:               /* Fall-through */
+       case LTTNG_KERNEL_ABI_TRACEPOINT:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_SYSCALL:
        {
                struct lttng_event_notifier_enabler *enabler;
@@ -2110,8 +2145,10 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
                break;
        }
 
-       case LTTNG_KERNEL_ABI_KPROBE:                   /* Fall-through */
-       case LTTNG_KERNEL_ABI_KRETPROBE:                /* Fall-through */
+       case LTTNG_KERNEL_ABI_KPROBE:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_KRETPROBE:
+               lttng_fallthrough;
        case LTTNG_KERNEL_ABI_UPROBE:
        {
                struct lttng_kernel_event_notifier *event_notifier;
@@ -2135,8 +2172,10 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
                break;
        }
 
-       case LTTNG_KERNEL_ABI_FUNCTION:                 /* Fall-through */
-       case LTTNG_KERNEL_ABI_NOOP:                     /* Fall-through */
+       case LTTNG_KERNEL_ABI_FUNCTION:
+               lttng_fallthrough;
+       case LTTNG_KERNEL_ABI_NOOP:
+               lttng_fallthrough;
        default:
                ret = -EINVAL;
                goto event_notifier_error;
@@ -2342,7 +2381,7 @@ static const struct file_operations lttng_event_notifier_group_fops = {
 static
 long lttng_channel_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       struct lttng_channel *channel = file->private_data;
+       struct lttng_kernel_channel_buffer *channel = file->private_data;
 
        switch (cmd) {
        case LTTNG_KERNEL_ABI_OLD_STREAM:
@@ -2465,7 +2504,7 @@ old_event_end:
 
                ret = lttng_abi_add_context(file,
                                ucontext_param,
-                               &channel->ctx, channel->session);
+                               &channel->priv->ctx, channel->parent.session);
 
 old_ctx_error_free_old_param:
                kfree(old_ucontext_param);
@@ -2484,16 +2523,16 @@ old_ctx_end:
                        return -EFAULT;
                return lttng_abi_add_context(file,
                                &ucontext_param,
-                               &channel->ctx, channel->session);
+                               &channel->priv->ctx, channel->parent.session);
        }
        case LTTNG_KERNEL_ABI_OLD_ENABLE:
        case LTTNG_KERNEL_ABI_ENABLE:
-               return lttng_channel_enable(channel);
+               return lttng_channel_enable(&channel->parent);
        case LTTNG_KERNEL_ABI_OLD_DISABLE:
        case LTTNG_KERNEL_ABI_DISABLE:
-               return lttng_channel_disable(channel);
+               return lttng_channel_disable(&channel->parent);
        case LTTNG_KERNEL_ABI_SYSCALL_MASK:
-               return lttng_channel_syscall_mask(channel,
+               return lttng_syscall_table_get_active_mask(&channel->priv->parent.syscall_table,
                        (struct lttng_kernel_abi_syscall_mask __user *) arg);
        default:
                return -ENOIOCTLCMD;
@@ -2533,19 +2572,19 @@ long lttng_metadata_ioctl(struct file *file, unsigned int cmd, unsigned long arg
  */
 unsigned int lttng_channel_poll(struct file *file, poll_table *wait)
 {
-       struct lttng_channel *channel = file->private_data;
+       struct lttng_kernel_channel_buffer *channel = file->private_data;
        unsigned int mask = 0;
 
        if (file->f_mode & FMODE_READ) {
                poll_wait_set_exclusive(wait);
-               poll_wait(file, channel->ops->priv->get_hp_wait_queue(channel->chan),
+               poll_wait(file, channel->ops->priv->get_hp_wait_queue(channel->priv->rb_chan),
                          wait);
 
-               if (channel->ops->priv->is_disabled(channel->chan))
+               if (channel->ops->priv->is_disabled(channel->priv->rb_chan))
                        return POLLERR;
-               if (channel->ops->priv->is_finalized(channel->chan))
+               if (channel->ops->priv->is_finalized(channel->priv->rb_chan))
                        return POLLHUP;
-               if (channel->ops->priv->buffer_has_read_closed_stream(channel->chan))
+               if (channel->ops->priv->buffer_has_read_closed_stream(channel->priv->rb_chan))
                        return POLLIN | POLLRDNORM;
                return 0;
        }
@@ -2556,20 +2595,20 @@ unsigned int lttng_channel_poll(struct file *file, poll_table *wait)
 static
 int lttng_channel_release(struct inode *inode, struct file *file)
 {
-       struct lttng_channel *channel = file->private_data;
+       struct lttng_kernel_channel_buffer *channel = file->private_data;
 
        if (channel)
-               fput(channel->session->priv->file);
+               fput(channel->parent.session->priv->file);
        return 0;
 }
 
 static
 int lttng_metadata_channel_release(struct inode *inode, struct file *file)
 {
-       struct lttng_channel *channel = file->private_data;
+       struct lttng_kernel_channel_buffer *channel = file->private_data;
 
        if (channel) {
-               fput(channel->session->priv->file);
+               fput(channel->parent.session->priv->file);
                lttng_metadata_channel_destroy(channel);
        }
 
@@ -2660,7 +2699,7 @@ long lttng_event_recorder_event_ioctl(struct file *file, unsigned int cmd, unsig
 static
 long lttng_event_recorder_enabler_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       struct lttng_event_enabler *event_enabler = file->private_data;
+       struct lttng_event_recorder_enabler *event_enabler = file->private_data;
 
        switch (cmd) {
        case LTTNG_KERNEL_ABI_OLD_CONTEXT:
@@ -2675,13 +2714,12 @@ long lttng_event_recorder_enabler_ioctl(struct file *file, unsigned int cmd, uns
        }
        case LTTNG_KERNEL_ABI_OLD_ENABLE:
        case LTTNG_KERNEL_ABI_ENABLE:
-               return lttng_event_enabler_enable(event_enabler);
+               return lttng_event_enabler_enable(&event_enabler->parent);
        case LTTNG_KERNEL_ABI_OLD_DISABLE:
        case LTTNG_KERNEL_ABI_DISABLE:
-               return lttng_event_enabler_disable(event_enabler);
+               return lttng_event_enabler_disable(&event_enabler->parent);
        case LTTNG_KERNEL_ABI_FILTER:
-               return lttng_event_enabler_attach_filter_bytecode(
-                       event_enabler,
+               return lttng_event_enabler_attach_filter_bytecode(&event_enabler->parent,
                        (struct lttng_kernel_abi_filter_bytecode __user *) arg);
        case LTTNG_KERNEL_ABI_ADD_CALLSITE:
                return -EINVAL;
@@ -2696,17 +2734,17 @@ int lttng_event_recorder_event_release(struct inode *inode, struct file *file)
        struct lttng_kernel_event_recorder *event = file->private_data;
 
        if (event)
-               fput(event->chan->file);
+               fput(event->chan->priv->parent.file);
        return 0;
 }
 
 static
 int lttng_event_recorder_enabler_release(struct inode *inode, struct file *file)
 {
-       struct lttng_event_enabler *event_enabler = file->private_data;
+       struct lttng_event_recorder_enabler *event_enabler = file->private_data;
 
        if (event_enabler)
-               fput(event_enabler->chan->file);
+               fput(event_enabler->chan->priv->parent.file);
        return 0;
 }
 
@@ -2741,9 +2779,9 @@ static int put_u32(uint32_t val, unsigned long arg)
 static long lttng_stream_ring_buffer_ioctl(struct file *filp,
                unsigned int cmd, unsigned long arg)
 {
-       struct lib_ring_buffer *buf = filp->private_data;
-       struct channel *chan = buf->backend.chan;
-       const struct lib_ring_buffer_config *config = &chan->backend.config;
+       struct lttng_kernel_ring_buffer *buf = filp->private_data;
+       struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
+       const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config;
        const struct lttng_kernel_channel_buffer_ops *ops = chan->backend.priv_ops;
        int ret;
 
@@ -2845,9 +2883,9 @@ error:
 static long lttng_stream_ring_buffer_compat_ioctl(struct file *filp,
                unsigned int cmd, unsigned long arg)
 {
-       struct lib_ring_buffer *buf = filp->private_data;
-       struct channel *chan = buf->backend.chan;
-       const struct lib_ring_buffer_config *config = &chan->backend.config;
+       struct lttng_kernel_ring_buffer *buf = filp->private_data;
+       struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
+       const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config;
        const struct lttng_kernel_channel_buffer_ops *ops = chan->backend.priv_ops;
        int ret;
 
This page took 0.034705 seconds and 4 git commands to generate.