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/*
* Copyright © 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Benjamin Segovia <benjamin.segovia@intel.com>
*/
#include "cl_platform_id.h"
#include "cl_device_id.h"
#include "cl_internals.h"
#include "cl_utils.h"
#include "cl_driver.h"
#include "cl_device_data.h"
#include "cl_khr_icd.h"
#include "CL/cl.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#ifndef CL_VERSION_1_2
#define CL_DEVICE_BUILT_IN_KERNELS 0x103F
#endif
static struct _cl_device_id intel_ivb_gt2_device = {
INIT_ICD(dispatch)
.max_compute_unit = 128,
.max_thread_per_unit = 8,
.max_work_item_sizes = {512, 512, 512},
.max_work_group_size = 512,
.max_clock_frequency = 1000,
.wg_sz = 1024,
.compile_wg_sz = {0},
#include "cl_gen7_device.h"
};
static struct _cl_device_id intel_ivb_gt1_device = {
INIT_ICD(dispatch)
.max_compute_unit = 64,
.max_thread_per_unit = 8,
.max_work_item_sizes = {512, 512, 512},
.max_work_group_size = 512,
.max_clock_frequency = 1000,
.wg_sz = 512,
.compile_wg_sz = {0},
#include "cl_gen7_device.h"
};
/* XXX we clone IVB for HSW now */
static struct _cl_device_id intel_hsw_device = {
INIT_ICD(dispatch)
.max_compute_unit = 64,
.max_thread_per_unit = 8,
.max_work_item_sizes = {512, 512, 512},
.max_work_group_size = 512,
.max_clock_frequency = 1000,
.wg_sz = 512,
.compile_wg_sz = {0},
#include "cl_gen75_device.h"
};
LOCAL cl_device_id
cl_get_gt_device(void)
{
cl_device_id ret = NULL;
const int device_id = cl_driver_get_device_id();
/* XXX we pick IVB for HSW now */
if (device_id == PCI_CHIP_HASWELL_M ||
device_id == PCI_CHIP_HASWELL_L ||
device_id == PCI_CHIP_HASWELL_M0 ||
device_id == PCI_CHIP_HASWELL_D0) {
intel_hsw_device.vendor_id = device_id;
intel_hsw_device.platform = intel_platform;
ret = &intel_hsw_device;
}
else if (device_id == PCI_CHIP_IVYBRIDGE_GT1 ||
device_id == PCI_CHIP_IVYBRIDGE_M_GT1 ||
device_id == PCI_CHIP_IVYBRIDGE_S_GT1) {
intel_ivb_gt1_device.vendor_id = device_id;
intel_ivb_gt1_device.platform = intel_platform;
ret = &intel_ivb_gt1_device;
}
else if (device_id == PCI_CHIP_IVYBRIDGE_GT2 ||
device_id == PCI_CHIP_IVYBRIDGE_M_GT2) {
intel_ivb_gt2_device.vendor_id = device_id;
intel_ivb_gt2_device.platform = intel_platform;
ret = &intel_ivb_gt2_device;
}
return ret;
}
LOCAL cl_int
cl_get_device_ids(cl_platform_id platform,
cl_device_type device_type,
cl_uint num_entries,
cl_device_id * devices,
cl_uint * num_devices)
{
cl_device_id device;
/* Do we have a usable device? */
device = cl_get_gt_device();
if (!device) {
if (num_devices)
*num_devices = 0;
if (devices)
*devices = 0;
return CL_DEVICE_NOT_FOUND;
} else {
if (num_devices)
*num_devices = 1;
if (devices) {
*devices = device;
(*devices)->extensions = intel_platform->extensions;
(*devices)->extensions_sz = intel_platform->extensions_sz;
}
return CL_SUCCESS;
}
}
#define DECL_FIELD(CASE,FIELD) \
case JOIN(CL_DEVICE_,CASE): \
if (param_value_size_ret) { \
*param_value_size_ret = sizeof device->FIELD; \
if (!param_value) \
return CL_SUCCESS; \
} \
if (param_value_size < sizeof device->FIELD) \
return CL_INVALID_VALUE; \
memcpy(param_value, &device->FIELD, sizeof device->FIELD); \
return CL_SUCCESS;
#define DECL_STRING_FIELD(CASE,FIELD) \
case JOIN(CL_DEVICE_,CASE): \
if (param_value_size_ret) { \
*param_value_size_ret = device->JOIN(FIELD,_sz); \
if (!param_value) \
return CL_SUCCESS; \
} \
if (param_value_size < device->JOIN(FIELD,_sz)) \
return CL_INVALID_VALUE; \
memcpy(param_value, device->FIELD, device->JOIN(FIELD,_sz)); \
return CL_SUCCESS;
LOCAL cl_int
cl_get_device_info(cl_device_id device,
cl_device_info param_name,
size_t param_value_size,
void * param_value,
size_t * param_value_size_ret)
{
if (UNLIKELY(device != &intel_ivb_gt1_device &&
device != &intel_ivb_gt2_device &&
device != &intel_hsw_device))
return CL_INVALID_DEVICE;
/* Find the correct parameter */
switch (param_name) {
DECL_FIELD(TYPE, device_type)
DECL_FIELD(VENDOR_ID, vendor_id)
DECL_FIELD(MAX_COMPUTE_UNITS, max_compute_unit)
DECL_FIELD(MAX_WORK_ITEM_DIMENSIONS, max_work_item_dimensions)
DECL_FIELD(MAX_WORK_ITEM_SIZES, max_work_item_sizes)
DECL_FIELD(MAX_WORK_GROUP_SIZE, max_work_group_size)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_CHAR, preferred_vector_width_char)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_SHORT, preferred_vector_width_short)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_INT, preferred_vector_width_int)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_LONG, preferred_vector_width_long)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_FLOAT, preferred_vector_width_float)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_DOUBLE, preferred_vector_width_double)
DECL_FIELD(PREFERRED_VECTOR_WIDTH_HALF, preferred_vector_width_half)
DECL_FIELD(NATIVE_VECTOR_WIDTH_CHAR, native_vector_width_char)
DECL_FIELD(NATIVE_VECTOR_WIDTH_SHORT, native_vector_width_short)
DECL_FIELD(NATIVE_VECTOR_WIDTH_INT, native_vector_width_int)
DECL_FIELD(NATIVE_VECTOR_WIDTH_LONG, native_vector_width_long)
DECL_FIELD(NATIVE_VECTOR_WIDTH_FLOAT, native_vector_width_float)
DECL_FIELD(NATIVE_VECTOR_WIDTH_DOUBLE, native_vector_width_double)
DECL_FIELD(NATIVE_VECTOR_WIDTH_HALF, native_vector_width_half)
DECL_FIELD(MAX_CLOCK_FREQUENCY, max_clock_frequency)
DECL_FIELD(ADDRESS_BITS, address_bits)
DECL_FIELD(MAX_MEM_ALLOC_SIZE, max_mem_alloc_size)
DECL_FIELD(IMAGE_SUPPORT, image_support)
DECL_FIELD(MAX_READ_IMAGE_ARGS, max_read_image_args)
DECL_FIELD(MAX_WRITE_IMAGE_ARGS, max_write_image_args)
DECL_FIELD(IMAGE2D_MAX_WIDTH, image2d_max_width)
DECL_FIELD(IMAGE2D_MAX_HEIGHT, image2d_max_height)
DECL_FIELD(IMAGE3D_MAX_WIDTH, image3d_max_width)
DECL_FIELD(IMAGE3D_MAX_HEIGHT, image3d_max_height)
DECL_FIELD(IMAGE3D_MAX_DEPTH, image3d_max_depth)
DECL_FIELD(MAX_SAMPLERS, max_samplers)
DECL_FIELD(MAX_PARAMETER_SIZE, max_parameter_size)
DECL_FIELD(MEM_BASE_ADDR_ALIGN, mem_base_addr_align)
DECL_FIELD(MIN_DATA_TYPE_ALIGN_SIZE, min_data_type_align_size)
DECL_FIELD(SINGLE_FP_CONFIG, single_fp_config)
DECL_FIELD(GLOBAL_MEM_CACHE_TYPE, global_mem_cache_type)
DECL_FIELD(GLOBAL_MEM_CACHELINE_SIZE, global_mem_cache_line_size)
DECL_FIELD(GLOBAL_MEM_CACHE_SIZE, global_mem_cache_size)
DECL_FIELD(GLOBAL_MEM_SIZE, global_mem_size)
DECL_FIELD(MAX_CONSTANT_BUFFER_SIZE, max_constant_buffer_size)
DECL_FIELD(MAX_CONSTANT_ARGS, max_constant_args)
DECL_FIELD(LOCAL_MEM_TYPE, local_mem_type)
DECL_FIELD(LOCAL_MEM_SIZE, local_mem_size)
DECL_FIELD(ERROR_CORRECTION_SUPPORT, error_correction_support)
DECL_FIELD(HOST_UNIFIED_MEMORY, host_unified_memory)
DECL_FIELD(PROFILING_TIMER_RESOLUTION, profiling_timer_resolution)
DECL_FIELD(ENDIAN_LITTLE, endian_little)
DECL_FIELD(AVAILABLE, available)
DECL_FIELD(COMPILER_AVAILABLE, compiler_available)
DECL_FIELD(EXECUTION_CAPABILITIES, execution_capabilities)
DECL_FIELD(QUEUE_PROPERTIES, queue_properties)
DECL_FIELD(PLATFORM, platform)
DECL_STRING_FIELD(NAME, name)
DECL_STRING_FIELD(VENDOR, vendor)
DECL_STRING_FIELD(VERSION, version)
DECL_STRING_FIELD(PROFILE, profile)
DECL_STRING_FIELD(OPENCL_C_VERSION, opencl_c_version)
DECL_STRING_FIELD(EXTENSIONS, extensions);
DECL_STRING_FIELD(BUILT_IN_KERNELS, built_in_kernels)
case CL_DRIVER_VERSION:
if (param_value_size_ret) {
*param_value_size_ret = device->driver_version_sz;
if (!param_value)
return CL_SUCCESS;
}
if (param_value_size < device->driver_version_sz)
return CL_INVALID_VALUE;
memcpy(param_value, device->driver_version, device->driver_version_sz);
return CL_SUCCESS;
default: return CL_INVALID_VALUE;
};
}
LOCAL cl_int
cl_device_get_version(cl_device_id device, cl_int *ver)
{
if (UNLIKELY(device != &intel_ivb_gt1_device &&
device != &intel_ivb_gt2_device &&
device != &intel_hsw_device))
return CL_INVALID_DEVICE;
if (ver == NULL)
return CL_SUCCESS;
if (device == &intel_ivb_gt1_device || device == &intel_ivb_gt2_device)
*ver = 7;
else
*ver = 75;
return CL_SUCCESS;
}
#undef DECL_FIELD
#define DECL_FIELD(CASE,FIELD) \
case JOIN(CL_KERNEL_,CASE): \
if (param_value_size < sizeof(((cl_device_id)NULL)->FIELD)) \
return CL_INVALID_VALUE; \
if (param_value_size_ret != NULL) \
*param_value_size_ret = sizeof(((cl_device_id)NULL)->FIELD);\
memcpy(param_value, \
&device->FIELD, \
sizeof(((cl_device_id)NULL)->FIELD)); \
return CL_SUCCESS;
LOCAL cl_int
cl_get_kernel_workgroup_info(cl_device_id device,
cl_kernel_work_group_info param_name,
size_t param_value_size,
void* param_value,
size_t* param_value_size_ret)
{
if (UNLIKELY(device != &intel_ivb_gt1_device &&
device != &intel_ivb_gt2_device))
return CL_INVALID_DEVICE;
if (UNLIKELY(param_value == NULL))
return CL_INVALID_VALUE;
switch (param_name) {
DECL_FIELD(WORK_GROUP_SIZE, wg_sz)
DECL_FIELD(COMPILE_WORK_GROUP_SIZE, compile_wg_sz)
default: return CL_INVALID_VALUE;
};
}
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