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| 1 | +// |
| 2 | +// Copyright (c) 2017, Intel Corporation |
| 3 | +// All rights reserved. |
| 4 | +// |
| 5 | +// Redistribution and use in source and binary forms, with or without |
| 6 | +// modification, are permitted provided that the following conditions are met: |
| 7 | +// |
| 8 | +// Redistributions of source code must retain the above copyright notice, this |
| 9 | +// list of conditions and the following disclaimer. |
| 10 | +// |
| 11 | +// Redistributions in binary form must reproduce the above copyright notice, |
| 12 | +// this list of conditions and the following disclaimer in the documentation |
| 13 | +// and/or other materials provided with the distribution. |
| 14 | +// |
| 15 | +// Neither the name of the Intel Corporation nor the names of its contributors |
| 16 | +// may be used to endorse or promote products derived from this software |
| 17 | +// without specific prior written permission. |
| 18 | +// |
| 19 | +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 20 | +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | +// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 23 | +// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | +// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | +// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | +// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | +// POSSIBILITY OF SUCH DAMAGE. |
| 30 | + |
| 31 | +#include <stdint.h> |
| 32 | +#include <stdlib.h> |
| 33 | +#include <unistd.h> |
| 34 | +#include <assert.h> |
| 35 | + |
| 36 | +#include <inttypes.h> |
| 37 | +#include <uuid/uuid.h> |
| 38 | + |
| 39 | +#include <iostream> |
| 40 | +#include <string> |
| 41 | +#include <bits/stdc++.h> |
| 42 | + |
| 43 | +using namespace std; |
| 44 | + |
| 45 | +#include "opae_svc_wrapper.h" |
| 46 | +#include "csr_mgr.h" |
| 47 | + |
| 48 | +// State from the AFU's JSON file, extracted using OPAE's afu_json_mgr script |
| 49 | +#include "afu_json_info.h" |
| 50 | + |
| 51 | +#ifdef __cplusplus |
| 52 | +#define EXTERNC extern "C" |
| 53 | +#else |
| 54 | +#define EXTERNC |
| 55 | +#endif |
| 56 | + |
| 57 | +EXTERNC void aes_ctr_acc(uint8_t key[], uint8_t iv[], uint8_t volatile data[], uint32_t length) { |
| 58 | + |
| 59 | + // Find and connect to the accelerator |
| 60 | + OPAE_SVC_WRAPPER fpga(AFU_ACCEL_UUID); |
| 61 | + assert(fpga.isOk()); |
| 62 | + |
| 63 | + // Connect the CSR manager |
| 64 | + CSR_MGR csrs(fpga); |
| 65 | + |
| 66 | + //printf("Page size is %d\n", getpagesize()); |
| 67 | + |
| 68 | + |
| 69 | + auto data_handle = fpga.attachBuffer((uint8_t*)data, getpagesize() * (length/4096)); |
| 70 | + |
| 71 | + |
| 72 | + |
| 73 | + |
| 74 | + |
| 75 | + |
| 76 | + |
| 77 | + |
| 78 | + // Allocate 8 pages memory buffer |
| 79 | +/* auto data_handle = fpga.allocBuffer(getpagesize() * (length/4096)); |
| 80 | + auto *data_fpga = reinterpret_cast<volatile uint8_t*>(data_handle->c_type()); |
| 81 | + //uint64_t buf_src_pa = buf_src_handle->io_address(); |
| 82 | + assert(NULL != data_fpga); |
| 83 | +
|
| 84 | + for(int i = 0; i<length; i++){ |
| 85 | + data_fpga[i] = data[i]; |
| 86 | + }*/ |
| 87 | + |
| 88 | + /* |
| 89 | + //printf("Buf src virtual address is %p\n", buf_src); |
| 90 | +
|
| 91 | + // Allocate 8 pages memory buffer |
| 92 | + auto buf_dest_handle = fpga.allocBuffer(getpagesize() * ((DATA_LENGTH)/4096)); |
| 93 | + auto *buf_dest = reinterpret_cast<volatile uint8_t*>(buf_dest_handle->c_type()); |
| 94 | + uint64_t buf_dest_pa = buf_dest_handle->io_address(); |
| 95 | + assert(NULL != buf_dest); |
| 96 | + *(buf_dest+(DATA_LENGTH)-1) = 0; |
| 97 | +
|
| 98 | + printf("Buf dest virtual address is %p\n", buf_dest); |
| 99 | + */ |
| 100 | + |
| 101 | + csrs.writeCSR(0, (uint64_t)data); // Address of src |
| 102 | + csrs.writeCSR(1, (uint64_t)data); // Address of dest |
| 103 | + csrs.writeCSR(2, (uint64_t)(length/64)); // How many cache lines? |
| 104 | + //csrs.writeCSR(2, (uint64_t)1); // How many cache lines? |
| 105 | + // Need to check how to convert from uint8_t array to uint64_t |
| 106 | + csrs.writeCSR(4, (uint64_t)*(uint64_t*)iv); // IV 0 |
| 107 | + csrs.writeCSR(5, (uint64_t)*(uint64_t*)(iv+8)); // IV 1 |
| 108 | + csrs.writeCSR(6, (uint64_t)*(uint64_t*)key); // key 0 |
| 109 | + csrs.writeCSR(7, (uint64_t)*(uint64_t*)(key+8)); // key 1 |
| 110 | + csrs.writeCSR(8, (uint64_t)*(uint64_t*)(key+16)); // key 2 |
| 111 | + csrs.writeCSR(9, (uint64_t)*(uint64_t*)(key+24)); // key 3 |
| 112 | + csrs.writeCSR(3, (uint64_t)1); // Run signal |
| 113 | + |
| 114 | + // Spin, waiting for the value in memory to change to something non-zero. |
| 115 | + while (0 == csrs.readCSR(0))_mm_pause(); |
| 116 | + |
| 117 | +/* for(int i = 0; i<length; i++){ |
| 118 | + data[i] = data_fpga[i]; |
| 119 | + }*/ |
| 120 | + |
| 121 | + //printf("Data received!\n"); |
| 122 | + |
| 123 | + return; |
| 124 | + |
| 125 | +} |
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