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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adf_gen4_pm.h (1406B)

      1/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
      2/* Copyright(c) 2022 Intel Corporation */
      3#ifndef ADF_GEN4_PM_H
      4#define ADF_GEN4_PM_H
      5
      6#include "adf_accel_devices.h"
      7
      8/* Power management registers */
      9#define ADF_GEN4_PM_HOST_MSG (0x50A01C)
     10
     11/* Power management */
     12#define ADF_GEN4_PM_POLL_DELAY_US	20
     13#define ADF_GEN4_PM_POLL_TIMEOUT_US	USEC_PER_SEC
     14#define ADF_GEN4_PM_MSG_POLL_DELAY_US	(10 * USEC_PER_MSEC)
     15#define ADF_GEN4_PM_STATUS		(0x50A00C)
     16#define ADF_GEN4_PM_INTERRUPT		(0x50A028)
     17
     18/* Power management source in ERRSOU2 and ERRMSK2 */
     19#define ADF_GEN4_PM_SOU			BIT(18)
     20
     21#define ADF_GEN4_PM_IDLE_INT_EN		BIT(18)
     22#define ADF_GEN4_PM_THROTTLE_INT_EN	BIT(19)
     23#define ADF_GEN4_PM_DRV_ACTIVE		BIT(20)
     24#define ADF_GEN4_PM_INIT_STATE		BIT(21)
     25#define ADF_GEN4_PM_INT_EN_DEFAULT	(ADF_GEN4_PM_IDLE_INT_EN | \
     26					ADF_GEN4_PM_THROTTLE_INT_EN)
     27
     28#define ADF_GEN4_PM_THR_STS	BIT(0)
     29#define ADF_GEN4_PM_IDLE_STS	BIT(1)
     30#define ADF_GEN4_PM_FW_INT_STS	BIT(2)
     31#define ADF_GEN4_PM_INT_STS_MASK (ADF_GEN4_PM_THR_STS | \
     32				 ADF_GEN4_PM_IDLE_STS | \
     33				 ADF_GEN4_PM_FW_INT_STS)
     34
     35#define ADF_GEN4_PM_MSG_PENDING			BIT(0)
     36#define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK	GENMASK(28, 1)
     37
     38#define ADF_GEN4_PM_DEFAULT_IDLE_FILTER		(0x0)
     39#define ADF_GEN4_PM_MAX_IDLE_FILTER		(0x7)
     40
     41int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev);
     42bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev);
     43
     44#endif