cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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i2c.h (654B)


      1/* SPDX-License-Identifier: MIT */
      2#ifndef __NVBIOS_I2C_H__
      3#define __NVBIOS_I2C_H__
      4enum dcb_i2c_type {
      5	/* matches bios type field prior to ccb 4.1 */
      6	DCB_I2C_NV04_BIT = 0x00,
      7	DCB_I2C_NV4E_BIT = 0x04,
      8	DCB_I2C_NVIO_BIT = 0x05,
      9	DCB_I2C_NVIO_AUX = 0x06,
     10	/* made up - mostly */
     11	DCB_I2C_PMGR     = 0x80,
     12	DCB_I2C_UNUSED   = 0xff
     13};
     14
     15struct dcb_i2c_entry {
     16	enum dcb_i2c_type type;
     17	u8 drive;
     18	u8 sense;
     19	u8 share;
     20	u8 auxch;
     21};
     22
     23u16 dcb_i2c_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
     24u16 dcb_i2c_entry(struct nvkm_bios *, u8 index, u8 *ver, u8 *len);
     25int dcb_i2c_parse(struct nvkm_bios *, u8 index, struct dcb_i2c_entry *);
     26#endif