Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/src/spdk/include/spdk_internal/accel_engine.h b/src/spdk/include/spdk_internal/accel_engine.h
new file mode 100644
index 000000000..9b78bc967
--- /dev/null
+++ b/src/spdk/include/spdk_internal/accel_engine.h
@@ -0,0 +1,130 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SPDK_INTERNAL_ACCEL_ENGINE_H
+#define SPDK_INTERNAL_ACCEL_ENGINE_H
+
+#include "spdk/stdinc.h"
+
+#include "spdk/accel_engine.h"
+#include "spdk/queue.h"
+
+struct spdk_accel_task {
+	spdk_accel_completion_cb	cb;
+	void				*cb_arg;
+	uint8_t				offload_ctx[0];
+};
+
+struct spdk_accel_engine {
+	uint64_t (*get_capabilities)(void);
+	int (*copy)(struct spdk_io_channel *ch, void *dst, void *src,
+		    uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*dualcast)(struct spdk_io_channel *ch, void *dst1, void *dst2, void *src,
+			uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	uint32_t (*batch_get_max)(void);
+	struct spdk_accel_batch *(*batch_create)(struct spdk_io_channel *ch);
+	int (*batch_prep_copy)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+			       void *dst, void *src, uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_prep_dualcast)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+				   void *dst1, void *dst2, void *src, uint64_t nbytes,
+				   spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_prep_compare)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+				  void *src1, void *src2, uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_prep_fill)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+			       void *dst, uint8_t fill, uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_prep_crc32c)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+				 uint32_t *dst, void *src, uint32_t seed, uint64_t nbytes,
+				 spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_submit)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch,
+			    spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*batch_cancel)(struct spdk_io_channel *ch, struct spdk_accel_batch *batch);
+	int (*compare)(struct spdk_io_channel *ch, void *src1, void *src2,
+		       uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*fill)(struct spdk_io_channel *ch, void *dst, uint8_t fill,
+		    uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	int (*crc32c)(struct spdk_io_channel *ch, uint32_t *dst, void *src,
+		      uint32_t seed, uint64_t nbytes, spdk_accel_completion_cb cb_fn, void *cb_arg);
+	struct spdk_io_channel *(*get_io_channel)(void);
+};
+
+struct spdk_accel_module_if {
+	/** Initialization function for the module.  Called by the spdk
+	 *   application during startup.
+	 *
+	 *  Modules are required to define this function.
+	 */
+	int	(*module_init)(void);
+
+	/** Finish function for the module.  Called by the spdk application
+	 *   before the spdk application exits to perform any necessary cleanup.
+	 *
+	 *  Modules are not required to define this function.
+	 */
+	void	(*module_fini)(void *ctx);
+
+	/** Function called to return a text string representing the
+	 *   module's configuration options for inclusion in an
+	 *   spdk configuration file.
+	 */
+	void	(*config_text)(FILE *fp);
+
+	/**
+	 * Write Acceleration module configuration into provided JSON context.
+	 */
+	void	(*write_config_json)(struct spdk_json_write_ctx *w);
+
+	/**
+	 * Returns the allocation size required for the modules to use for context.
+	 */
+	size_t	(*get_ctx_size)(void);
+
+	TAILQ_ENTRY(spdk_accel_module_if)	tailq;
+};
+
+void spdk_accel_hw_engine_register(struct spdk_accel_engine *accel_engine);
+void spdk_accel_module_list_add(struct spdk_accel_module_if *accel_module);
+
+#define SPDK_ACCEL_MODULE_REGISTER(init_fn, fini_fn, config_fn, config_json, ctx_size_fn)				\
+	static struct spdk_accel_module_if init_fn ## _if = {						\
+	.module_init		= init_fn,								\
+	.module_fini		= fini_fn,								\
+	.config_text		= config_fn,								\
+	.write_config_json	= config_json,								\
+	.get_ctx_size		= ctx_size_fn,								\
+	};												\
+	__attribute__((constructor)) static void init_fn ## _init(void)					\
+	{												\
+		spdk_accel_module_list_add(&init_fn ## _if);						\
+	}
+
+#endif