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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2021 Google, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OPAL_MCA_SMSC_KNEM_SMSC_KNEM_INTERNAL_H
#define OPAL_MCA_SMSC_KNEM_SMSC_KNEM_INTERNAL_H
#include "opal_config.h"
#include "opal/mca/rcache/base/base.h"
#include "opal/mca/rcache/rcache.h"
#include "opal/mca/smsc/knem/smsc_knem.h"
#include <sys/mman.h>
#include <knem_io.h>
struct mca_smsc_knem_registration_data_t {
uint64_t cookie;
intptr_t base_addr;
};
typedef struct mca_smsc_knem_registration_data_t mca_smsc_knem_registration_data_t;
struct mca_smsc_knem_registration_handle_t {
mca_rcache_base_registration_t base;
mca_smsc_knem_registration_data_t data;
};
typedef struct mca_smsc_knem_registration_handle_t mca_smsc_knem_registration_handle_t;
#define MCA_SMSC_KNEM_REG_HANDLE_TO_DATA(handle) (&(handle)->data)
#define MCA_SMSC_KNEM_REG_DATA_TO_HANDLE(data_ptr) \
((mca_smsc_knem_registration_handle_t *) ((uintptr_t) data_ptr \
- offsetof(mca_smsc_knem_registration_handle_t, \
data)))
struct mca_smsc_knem_endpoint_t {
mca_smsc_endpoint_t super;
};
typedef struct mca_smsc_knem_endpoint_t mca_smsc_knem_endpoint_t;
OBJ_CLASS_DECLARATION(mca_smsc_knem_endpoint_t);
struct mca_smsc_knem_component_t {
mca_smsc_component_t super;
int knem_fd;
unsigned int dma_min;
};
typedef struct mca_smsc_knem_component_t mca_smsc_knem_component_t;
struct mca_smsc_knem_module_t {
mca_smsc_module_t super;
/** cache of knem attachments. this cache holds attachments for all peers. the registrations
* are differentiated by the alloc_base which is set to the endpoint. */
mca_rcache_base_module_t *rcache;
};
typedef struct mca_smsc_knem_module_t mca_smsc_knem_module_t;
extern mca_smsc_knem_module_t mca_smsc_knem_module;
extern mca_smsc_knem_component_t mca_smsc_knem_component;
#endif /* OPAL_MCA_SMSC_KNEM_SMSC_KNEM_INTERNAL_H */
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