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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can
* be found in the LICENSE file.
*
*/
#pragma once
//
//
//
#include <CL/opencl.h>
#include "suballocator.h"
#include "extent_ring.h"
//
// Legend:
//
// p : durable
// t : ephemeral
// h : host
// d : device
// r : read
// w : write
// 1 : once -- e.g. w1 is 'write-once'
// N : many -- e.g. rN is 'read-many'
// g : ring
// s : ring snapshot
//
// Notes:
//
// rw : for now, read-write implies read-write many
//
//
// DURABLE R/W HOST EXTENT -- STANDARD CACHED MEMORY
//
struct skc_extent_phrw
{
void * hrw;
};
void
skc_extent_phrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrw * const extent,
size_t const size);
void
skc_extent_phrw_free(struct skc_runtime * const runtime,
struct skc_extent_phrw * const extent);
//
// DURABLE R/W DEVICE EXTENT -- ALLOCATED FROM DEVICE HEAP
//
struct skc_extent_pdrw
{
cl_mem drw;
};
void
skc_extent_pdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_pdrw * const extent,
size_t const size);
void
skc_extent_pdrw_free(struct skc_runtime * const runtime,
struct skc_extent_pdrw * const extent);
//
// EPHEMERAL DEVICE R/W EXTENT -- ALLOCATED QUICKLY FROM A MANAGED RING
//
struct skc_extent_tdrw
{
size_t size;
cl_mem drw;
skc_subbuf_id_t id;
};
void
skc_extent_tdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_tdrw * const extent,
size_t const size);
void
skc_extent_tdrw_free(struct skc_runtime * const runtime,
struct skc_extent_tdrw * const extent);
void
skc_extent_tdrw_zero(struct skc_extent_tdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
//
// DURABLE SMALL EXTENTS BACKING ATOMICS
//
struct skc_extent_phr_pdrw
{
size_t size; // must be multiple of words
void * hr;
cl_mem drw;
};
void
skc_extent_phr_pdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_phr_pdrw * const extent,
size_t const size);
void
skc_extent_phr_pdrw_free(struct skc_runtime * const runtime,
struct skc_extent_phr_pdrw * const extent);
void
skc_extent_phr_pdrw_read(struct skc_extent_phr_pdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phr_pdrw_zero(struct skc_extent_phr_pdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
//
// EPHEMERAL SMALL EXTENTS BACKING ATOMICS
//
struct skc_extent_thr_tdrw
{
size_t size; // must be multiple of words
void * hr;
cl_mem drw;
struct {
skc_subbuf_id_t hr;
skc_subbuf_id_t drw;
} id;
};
void
skc_extent_thr_tdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_thr_tdrw * const extent,
size_t const size);
void
skc_extent_thr_tdrw_free(struct skc_runtime * const runtime,
struct skc_extent_thr_tdrw * const extent);
void
skc_extent_thr_tdrw_read(struct skc_extent_thr_tdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_thr_tdrw_zero(struct skc_extent_thr_tdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
//
// DURABLE W/1 HOST RING WITH AN EPHEMERAL R/N DEVICE SNAPSHOT
//
struct skc_extent_phw1g_tdrNs
{
void * hw1;
};
struct skc_extent_phw1g_tdrNs_snap
{
struct skc_extent_ring_snap * snap;
cl_mem drN;
skc_subbuf_id_t id;
};
void
skc_extent_phw1g_tdrNs_alloc(struct skc_runtime * const runtime,
struct skc_extent_phw1g_tdrNs * const extent,
size_t const size);
void
skc_extent_phw1g_tdrNs_free(struct skc_runtime * const runtime,
struct skc_extent_phw1g_tdrNs * const extent);
void
skc_extent_phw1g_tdrNs_snap_init(struct skc_runtime * const runtime,
struct skc_extent_ring * const ring,
struct skc_extent_phw1g_tdrNs_snap * const snap);
void
skc_extent_phw1g_tdrNs_snap_alloc(struct skc_runtime * const runtime,
struct skc_extent_phw1g_tdrNs * const extent,
struct skc_extent_phw1g_tdrNs_snap * const snap,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phw1g_tdrNs_snap_free(struct skc_runtime * const runtime,
struct skc_extent_phw1g_tdrNs_snap * const snap);
//
// DURABLE R/W HOST RING WITH AN EPHEMERAL R/N DEVICE SNAPSHOT
//
struct skc_extent_phrwg_tdrNs
{
void * hrw;
};
struct skc_extent_phrwg_tdrNs_snap
{
struct skc_extent_ring_snap * snap;
cl_mem drN;
skc_subbuf_id_t id;
};
void
skc_extent_phrwg_tdrNs_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrwg_tdrNs * const extent,
size_t const size);
void
skc_extent_phrwg_tdrNs_free(struct skc_runtime * const runtime,
struct skc_extent_phrwg_tdrNs * const extent);
void
skc_extent_phrwg_tdrNs_snap_init(struct skc_runtime * const runtime,
struct skc_extent_ring * const ring,
struct skc_extent_phrwg_tdrNs_snap * const snap);
void
skc_extent_phrwg_tdrNs_snap_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrwg_tdrNs * const extent,
struct skc_extent_phrwg_tdrNs_snap * const snap,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phrwg_tdrNs_snap_free(struct skc_runtime * const runtime,
struct skc_extent_phrwg_tdrNs_snap * const snap);
//
// DURABLE HOST R/W RING WITH AN EPHEMERAL HOST R/1 SNAPSHOT
//
// Note that because the ring and snapshot are both in host memory and
// the snapshot blocks progress until freed we can simply point the
// fake ephemeral snapshot at the ring's durable extent.
//
struct skc_extent_phrwg_thr1s
{
void * hrw;
};
struct skc_extent_phrwg_thr1s_snap
{
struct skc_extent_ring_snap * snap;
struct {
skc_uint lo;
skc_uint hi;
} count;
struct {
void * lo;
void * hi;
} hr1;
};
void
skc_extent_phrwg_thr1s_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrwg_thr1s * const extent,
size_t const size);
void
skc_extent_phrwg_thr1s_free(struct skc_runtime * const runtime,
struct skc_extent_phrwg_thr1s * const extent);
void
skc_extent_phrwg_thr1s_snap_init(struct skc_runtime * const runtime,
struct skc_extent_ring * const ring,
struct skc_extent_phrwg_thr1s_snap * const snap);
void
skc_extent_phrwg_thr1s_snap_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrwg_thr1s * const extent,
struct skc_extent_phrwg_thr1s_snap * const snap);
void
skc_extent_phrwg_thr1s_snap_free(struct skc_runtime * const runtime,
struct skc_extent_phrwg_thr1s_snap * const snap);
//
// EPHEMERAL MAPPING
//
// ENTIRE EXTENT MAPPED TO R/W HOST MEMORY
// ENTIRE EXTENT UNMAPPED TO R/W DEVICE MEMORY
//
// Note: integrated vs. discrete GPUs will have different
// implementations because we don't want a GPU kernel repeatedly
// accessing pinned memory.
//
#if 0
struct skc_extent_thrw_tdrw
{
size_t size;
cl_mem drw;
skc_subbuf_id_t id;
};
void
skc_extent_thrw_tdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_thrw_tdrw * const extent,
size_t const size);
void
skc_extent_thrw_tdrw_free(struct skc_runtime * const runtime,
struct skc_extent_thrw_tdrw * const extent);
void *
skc_extent_thrw_tdrw_map_size(struct skc_extent_thrw_tdrw * const extent,
size_t const size,
cl_command_queue const cq,
cl_event * const event);
void *
skc_extent_thrw_tdrw_map(struct skc_extent_thrw_tdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_thrw_tdrw_unmap(struct skc_extent_thrw_tdrw * const extent,
void * const hrN,
cl_command_queue const cq,
cl_event * const event);
#endif
//
// DURABLE MAPPING
//
// ENTIRE EXTENT MAPPED TO R/W HOST MEMORY
// ENTIRE EXTENT UNMAPPED TO R/W DEVICE MEMORY
//
// Note: integrated vs. discrete GPUs will have different
// implementations because we don't want a GPU kernel repeatedly
// accessing pinned memory.
//
struct skc_extent_phrw_pdrw
{
size_t size;
cl_mem drw;
};
void
skc_extent_phrw_pdrw_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrw_pdrw * const extent,
size_t const size);
void
skc_extent_phrw_pdrw_free(struct skc_runtime * const runtime,
struct skc_extent_phrw_pdrw * const extent);
void *
skc_extent_phrw_pdrw_map_size(struct skc_extent_phrw_pdrw * const extent,
size_t const size,
cl_command_queue const cq,
cl_event * const event);
void *
skc_extent_phrw_pdrw_map(struct skc_extent_phrw_pdrw * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phrw_pdrw_unmap(struct skc_extent_phrw_pdrw * const extent,
void * const hrN,
cl_command_queue const cq,
cl_event * const event);
//
// DURABLE MAPPING
//
// ENTIRE EXTENT MAPPED TO R/O HOST MEMORY
// ENTIRE EXTENT UNMAPPED TO W/O DEVICE MEMORY
//
// Note: integrated vs. discrete GPUs will have different
// implementations because we don't want a GPU kernel repeatedly
// accessing pinned memory.
//
struct skc_extent_phrN_pdwN
{
size_t size;
cl_mem dwN;
};
void
skc_extent_phrN_pdwN_alloc(struct skc_runtime * const runtime,
struct skc_extent_phrN_pdwN * const extent,
size_t const size);
void
skc_extent_phrN_pdwN_free(struct skc_runtime * const runtime,
struct skc_extent_phrN_pdwN * const extent);
void *
skc_extent_phrN_pdwN_map_size(struct skc_extent_phrN_pdwN * const extent,
size_t const size,
cl_command_queue const cq,
cl_event * const event);
void *
skc_extent_phrN_pdwN_map(struct skc_extent_phrN_pdwN * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phrN_pdwN_unmap(struct skc_extent_phrN_pdwN * const extent,
void * const hrN,
cl_command_queue const cq,
cl_event * const event);
//
// DURABLE MAPPING
//
// ENTIRE EXTENT MAPPED TO W/O HOST MEMORY
// ENTIRE EXTENT UNMAPPED TO R/O DEVICE MEMORY
//
// Note: integrated vs. discrete GPUs will have different
// implementations because we don't want a GPU kernel repeatedly
// accessing pinned memory.
//
struct skc_extent_phwN_pdrN
{
size_t size;
cl_mem drN;
};
void
skc_extent_phwN_pdrN_alloc(struct skc_runtime * const runtime,
struct skc_extent_phwN_pdrN * const extent,
size_t const size);
void
skc_extent_phwN_pdrN_free(struct skc_runtime * const runtime,
struct skc_extent_phwN_pdrN * const extent);
void *
skc_extent_phwN_pdrN_map_size(struct skc_extent_phwN_pdrN * const extent,
size_t const size,
cl_command_queue const cq,
cl_event * const event);
void *
skc_extent_phwN_pdrN_map(struct skc_extent_phwN_pdrN * const extent,
cl_command_queue const cq,
cl_event * const event);
void
skc_extent_phwN_pdrN_unmap(struct skc_extent_phwN_pdrN * const extent,
void * const hwm,
cl_command_queue const cq,
cl_event * const event);
//
//
//
|
