cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

smbus_master.h (2399B)

      1/*
      2 * QEMU SMBus host (master) API
      3 *
      4 * Copyright (c) 2007 Arastra, Inc.
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to deal
      8 * in the Software without restriction, including without limitation the rights
      9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 * copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 * THE SOFTWARE.
     23 */
     24
     25#ifndef HW_SMBUS_MASTER_H
     26#define HW_SMBUS_MASTER_H
     27
     28#include "hw/i2c/i2c.h"
     29
     30/* Master device commands.  */
     31int smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
     32int smbus_receive_byte(I2CBus *bus, uint8_t addr);
     33int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
     34int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
     35int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
     36int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
     37int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
     38
     39/*
     40 * Do a block transfer from an I2C device.  If recv_len is set, then the
     41 * first received byte is a length field and is used to know how much data
     42 * to receive.  Otherwise receive "len" bytes.  If send_cmd is set, send
     43 * the command byte first before receiving the data.
     44 */
     45int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
     46                     int len, bool recv_len, bool send_cmd);
     47
     48/*
     49 * Do a block transfer to an I2C device.  If send_len is set, send the
     50 * "len" value before the data.
     51 */
     52int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
     53                      int len, bool send_len);
     54
     55#endif