1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 VMware, Inc. 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on the rights to use, copy, modify, merge, publish, distribute, sub 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * license, and/or sell copies of the Software, and to permit persons to whom 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the Software is furnished to do so, subject to the following conditions: 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * USE OR OTHER DEALINGS IN THE SOFTWARE. 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This file is internal to the rbug protocol code, and contains asorted 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * features needed by the code. 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef _RBUG_INTERNAL_H_ 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define _RBUG_INTERNAL_H_ 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "rbug_proto.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_memory.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <errno.h> 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint rbug_connection_send_start(struct rbug_connection *con, enum rbug_opcode opcode, uint32_t length); 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint rbug_connection_write(struct rbug_connection *con, void *data, uint32_t size); 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint rbug_connection_send_finish(struct rbug_connection *con, uint32_t *c); 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Only works with multiples of 2 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PAD(from, to) \ 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org from = (from + to - 1) & ~(to - 1); \ 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LEN(size) \ 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(__len, size); \ 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __len += size; \ 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LEN_ARRAY(size, name) \ 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LEN(4); \ 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(__len, size); \ 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __len += size * name##_len; \ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define WRITE(size, type, name) \ 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(__pos, size); \ 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *((type *)(&__data[__pos])) = name; \ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __pos += size; \ 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define WRITE_ARRAY(size, type, name) \ 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org WRITE(4, uint32_t, name##_len); \ 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(__pos, size); \ 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&__data[__pos], name, size * name##_len); \ 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __pos += size * name##_len; \ 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define READ(size, type, name) \ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(pos, size); \ 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pos += size; \ 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos > len) \ 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; \ 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret->name = *((type *)(&data[pos - size])); \ 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define READ_ARRAY(size, type, name) \ 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdo { \ 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org READ(4, uint32_t, name##_len); \ 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos > len) \ 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; \ 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PAD(pos, size); \ 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pos += size * ret->name##_len; \ 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos > len) \ 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; \ 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret->name = (type *)&data[pos - size * ret->name##_len]; \ 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} while(0) 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 101