X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fbackend_types.h;fp=lib%2Fringbuffer%2Fbackend_types.h;h=0000000000000000000000000000000000000000;hb=2459130397d7e7eecc44a5f06a39d65c78257eef;hp=fa6baaa07adecaae783e9f6131a1c57ed515b46e;hpb=5b4ea313ddc10d96388a20a42e118c758479a553;p=lttng-modules.git

diff --git a/lib/ringbuffer/backend_types.h b/lib/ringbuffer/backend_types.h
deleted file mode 100644
index fa6baaa0..00000000
--- a/lib/ringbuffer/backend_types.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
- *
- * lib/ringbuffer/backend_types.h
- *
- * Ring buffer backend (types).
- *
- * Copyright (C) 2008-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#ifndef _LIB_RING_BUFFER_BACKEND_TYPES_H
-#define _LIB_RING_BUFFER_BACKEND_TYPES_H
-
-#include <linux/cpumask.h>
-#include <linux/types.h>
-#include <lttng-kernel-version.h>
-#include <lttng-cpuhotplug.h>
-
-struct lib_ring_buffer_backend_page {
-	void *virt;			/* page virtual address (cached) */
-	unsigned long pfn;		/* page frame number */
-};
-
-struct lib_ring_buffer_backend_pages {
-	unsigned long mmap_offset;	/* offset of the subbuffer in mmap */
-	union v_atomic records_commit;	/* current records committed count */
-	union v_atomic records_unread;	/* records to read */
-	unsigned long data_size;	/* Amount of data to read from subbuf */
-	struct lib_ring_buffer_backend_page p[];
-};
-
-struct lib_ring_buffer_backend_subbuffer {
-	/* Identifier for subbuf backend pages. Exchanged atomically. */
-	unsigned long id;		/* backend subbuffer identifier */
-};
-
-struct lib_ring_buffer_backend_counts {
-	/*
-	 * Counter specific to the sub-buffer location within the ring buffer.
-	 * The actual sequence number of the packet within the entire ring
-	 * buffer can be derived from the formula nr_subbuffers * seq_cnt +
-	 * subbuf_idx.
-	 */
-	uint64_t seq_cnt;		/* packet sequence number */
-};
-
-/*
- * Forward declaration of frontend-specific channel and ring_buffer.
- */
-struct channel;
-struct lib_ring_buffer;
-
-struct lib_ring_buffer_backend {
-	/* Array of ring_buffer_backend_subbuffer for writer */
-	struct lib_ring_buffer_backend_subbuffer *buf_wsb;
-	/* ring_buffer_backend_subbuffer for reader */
-	struct lib_ring_buffer_backend_subbuffer buf_rsb;
-	/* Array of lib_ring_buffer_backend_counts for the packet counter */
-	struct lib_ring_buffer_backend_counts *buf_cnt;
-	/*
-	 * Pointer array of backend pages, for whole buffer.
-	 * Indexed by ring_buffer_backend_subbuffer identifier (id) index.
-	 */
-	struct lib_ring_buffer_backend_pages **array;
-	unsigned int num_pages_per_subbuf;
-
-	struct channel *chan;		/* Associated channel */
-	int cpu;			/* This buffer's cpu. -1 if global. */
-	union v_atomic records_read;	/* Number of records read */
-	unsigned int allocated:1;	/* is buffer allocated ? */
-};
-
-struct channel_backend {
-	unsigned long buf_size;		/* Size of the buffer */
-	unsigned long subbuf_size;	/* Sub-buffer size */
-	unsigned int subbuf_size_order;	/* Order of sub-buffer size */
-	unsigned int num_subbuf_order;	/*
-					 * Order of number of sub-buffers/buffer
-					 * for writer.
-					 */
-	unsigned int buf_size_order;	/* Order of buffer size */
-	unsigned int extra_reader_sb:1;	/* has extra reader subbuffer ? */
-	struct lib_ring_buffer *buf;	/* Channel per-cpu buffers */
-
-	unsigned long num_subbuf;	/* Number of sub-buffers for writer */
-	u64 start_tsc;			/* Channel creation TSC value */
-	void *priv;			/* Client-specific information */
-	void *priv_ops;			/* Client-specific ops pointer */
-	void (*release_priv_ops)(void *priv_ops);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
-	struct lttng_cpuhp_node cpuhp_prepare;	/* CPU hotplug prepare */
-#else
-	struct notifier_block cpu_hp_notifier;	 /* CPU hotplug notifier */
-#endif
-	/*
-	 * We need to copy config because the module containing the
-	 * source config can vanish before the last reference to this
-	 * channel's streams is released.
-	 */
-	struct lib_ring_buffer_config config; /* Ring buffer configuration */
-	cpumask_var_t cpumask;		/* Allocated per-cpu buffers cpumask */
-	char name[NAME_MAX];		/* Channel name */
-};
-
-#endif /* _LIB_RING_BUFFER_BACKEND_TYPES_H */