44cbea402e
The RPC provides a list of initialized engine names along with that engine's supported operations. Signed-off-by: paul luse <paul.e.luse@intel.com> Change-Id: I59f9e5cb7aa51a6193f0bd2ec31e543a56c12f17 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13745 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*/
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#ifndef SPDK_INTERNAL_ACCEL_ENGINE_H
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#define SPDK_INTERNAL_ACCEL_ENGINE_H
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#include "spdk/stdinc.h"
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#include "spdk/accel_engine.h"
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#include "spdk/queue.h"
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#include "spdk/config.h"
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#ifdef SPDK_CONFIG_ISAL
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#include "../isa-l/include/igzip_lib.h"
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#endif
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struct engine_info {
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struct spdk_json_write_ctx *w;
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const char *name;
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enum accel_opcode ops[ACCEL_OPC_LAST];
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uint32_t num_ops;
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};
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typedef void (*_accel_for_each_engine_fn)(struct engine_info *info);
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void _accel_for_each_engine(struct engine_info *info, _accel_for_each_engine_fn fn);
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struct spdk_accel_task;
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void spdk_accel_task_complete(struct spdk_accel_task *task, int status);
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struct accel_io_channel {
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struct spdk_io_channel *engine_ch[ACCEL_OPC_LAST];
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/* for ISAL */
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#ifdef SPDK_CONFIG_ISAL
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struct isal_zstream stream;
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struct inflate_state state;
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#endif
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void *task_pool_base;
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TAILQ_HEAD(, spdk_accel_task) task_pool;
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};
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struct sw_accel_io_channel {
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struct spdk_poller *completion_poller;
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TAILQ_HEAD(, spdk_accel_task) tasks_to_complete;
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};
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struct spdk_accel_task {
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struct accel_io_channel *accel_ch;
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spdk_accel_completion_cb cb_fn;
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void *cb_arg;
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union {
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struct {
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struct iovec *iovs; /* iovs passed by the caller */
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uint32_t iovcnt; /* iovcnt passed by the caller */
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} v;
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void *src;
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};
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union {
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void *dst;
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void *src2;
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};
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union {
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void *dst2;
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uint32_t seed;
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uint64_t fill_pattern;
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};
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union {
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uint32_t *crc_dst;
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uint32_t *output_size;
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};
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enum accel_opcode op_code;
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uint64_t nbytes;
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uint64_t nbytes_dst;
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int flags;
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int status;
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TAILQ_ENTRY(spdk_accel_task) link;
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};
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struct spdk_accel_engine {
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const char *name;
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bool (*supports_opcode)(enum accel_opcode);
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struct spdk_io_channel *(*get_io_channel)(void);
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int (*submit_tasks)(struct spdk_io_channel *ch, struct spdk_accel_task *accel_task);
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TAILQ_ENTRY(spdk_accel_engine) tailq;
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};
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struct spdk_accel_module_if {
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/** Initialization function for the module. Called by the spdk
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* application during startup.
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*
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* Modules are required to define this function.
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*/
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int (*module_init)(void);
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/** Finish function for the module. Called by the spdk application
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* before the spdk application exits to perform any necessary cleanup.
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*
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* Modules are not required to define this function.
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*/
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void (*module_fini)(void *ctx);
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/**
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* Write Acceleration module configuration into provided JSON context.
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*/
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void (*write_config_json)(struct spdk_json_write_ctx *w);
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/**
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* Returns the allocation size required for the modules to use for context.
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*/
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size_t (*get_ctx_size)(void);
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TAILQ_ENTRY(spdk_accel_module_if) tailq;
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};
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void spdk_accel_engine_register(struct spdk_accel_engine *accel_engine);
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void spdk_accel_module_list_add(struct spdk_accel_module_if *accel_module);
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#define SPDK_ACCEL_MODULE_REGISTER(init_fn, fini_fn, config_json, ctx_size_fn) \
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static struct spdk_accel_module_if init_fn ## _if = { \
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.module_init = init_fn, \
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.module_fini = fini_fn, \
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.write_config_json = config_json, \
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.get_ctx_size = ctx_size_fn, \
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}; \
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__attribute__((constructor)) static void init_fn ## _init(void) \
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{ \
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spdk_accel_module_list_add(&init_fn ## _if); \
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}
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#endif
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