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

pm_smbus.h (1412B)

      1#ifndef PM_SMBUS_H
      2#define PM_SMBUS_H
      3
      4#include "exec/memory.h"
      5#include "hw/i2c/smbus_master.h"
      6
      7#define PM_SMBUS_MAX_MSG_SIZE 32
      8
      9typedef struct PMSMBus {
     10    I2CBus *smbus;
     11    MemoryRegion io;
     12
     13    uint8_t smb_stat;
     14    uint8_t smb_ctl;
     15    uint8_t smb_cmd;
     16    uint8_t smb_addr;
     17    uint8_t smb_data0;
     18    uint8_t smb_data1;
     19    uint8_t smb_data[PM_SMBUS_MAX_MSG_SIZE];
     20    uint8_t smb_blkdata;
     21    uint8_t smb_auxctl;
     22    uint32_t smb_index;
     23
     24    /* Set by pm_smbus.c */
     25    void (*reset)(struct PMSMBus *s);
     26
     27    /* Set by the user. */
     28    bool i2c_enable;
     29    void (*set_irq)(struct PMSMBus *s, bool enabled);
     30    void *opaque;
     31
     32    /* Internally used by pm_smbus. */
     33
     34    /* Set on block transfers after the last byte has been read, so the
     35       INTR bit can be set at the right time. */
     36    bool op_done;
     37
     38    /* Set during an I2C block read, so we know how to handle data. */
     39    bool in_i2c_block_read;
     40
     41    /* Used to work around a bug in AMIBIOS, see smb_transaction_start() */
     42    bool start_transaction_on_status_read;
     43} PMSMBus;
     44
     45void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk);
     46
     47/*
     48 * For backwards compatibility on migration, older versions don't have
     49 * working migration for pm_smbus, this lets us ignore the migrations
     50 * for older machine versions.
     51 */
     52bool pm_smbus_vmstate_needed(void);
     53
     54extern const VMStateDescription pmsmb_vmstate;
     55
     56#endif /* PM_SMBUS_H */