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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intel_guc_reg.h (4886B)


      1/* SPDX-License-Identifier: MIT */
      2/*
      3 * Copyright © 2014-2019 Intel Corporation
      4 */
      5
      6#ifndef _INTEL_GUC_REG_H_
      7#define _INTEL_GUC_REG_H_
      8
      9#include <linux/compiler.h>
     10#include <linux/types.h>
     11
     12#include "i915_reg_defs.h"
     13
     14/* Definitions of GuC H/W registers, bits, etc */
     15
     16#define GUC_STATUS			_MMIO(0xc000)
     17#define   GS_RESET_SHIFT		0
     18#define   GS_MIA_IN_RESET		  (0x01 << GS_RESET_SHIFT)
     19#define   GS_BOOTROM_SHIFT		1
     20#define   GS_BOOTROM_MASK		  (0x7F << GS_BOOTROM_SHIFT)
     21#define   GS_BOOTROM_RSA_FAILED		  (0x50 << GS_BOOTROM_SHIFT)
     22#define   GS_BOOTROM_JUMP_PASSED	  (0x76 << GS_BOOTROM_SHIFT)
     23#define   GS_UKERNEL_SHIFT		8
     24#define   GS_UKERNEL_MASK		  (0xFF << GS_UKERNEL_SHIFT)
     25#define   GS_MIA_SHIFT			16
     26#define   GS_MIA_MASK			  (0x07 << GS_MIA_SHIFT)
     27#define   GS_MIA_CORE_STATE		  (0x01 << GS_MIA_SHIFT)
     28#define   GS_MIA_HALT_REQUESTED		  (0x02 << GS_MIA_SHIFT)
     29#define   GS_MIA_ISR_ENTRY		  (0x04 << GS_MIA_SHIFT)
     30#define   GS_AUTH_STATUS_SHIFT		30
     31#define   GS_AUTH_STATUS_MASK		  (0x03U << GS_AUTH_STATUS_SHIFT)
     32#define   GS_AUTH_STATUS_BAD		  (0x01 << GS_AUTH_STATUS_SHIFT)
     33#define   GS_AUTH_STATUS_GOOD		  (0x02 << GS_AUTH_STATUS_SHIFT)
     34
     35#define SOFT_SCRATCH(n)			_MMIO(0xc180 + (n) * 4)
     36#define SOFT_SCRATCH_COUNT		16
     37
     38#define GEN11_SOFT_SCRATCH(n)		_MMIO(0x190240 + (n) * 4)
     39#define GEN11_SOFT_SCRATCH_COUNT	4
     40
     41#define UOS_RSA_SCRATCH(i)		_MMIO(0xc200 + (i) * 4)
     42#define UOS_RSA_SCRATCH_COUNT		64
     43
     44#define DMA_ADDR_0_LOW			_MMIO(0xc300)
     45#define DMA_ADDR_0_HIGH			_MMIO(0xc304)
     46#define DMA_ADDR_1_LOW			_MMIO(0xc308)
     47#define DMA_ADDR_1_HIGH			_MMIO(0xc30c)
     48#define   DMA_ADDRESS_SPACE_WOPCM	  (7 << 16)
     49#define   DMA_ADDRESS_SPACE_GTT		  (8 << 16)
     50#define DMA_COPY_SIZE			_MMIO(0xc310)
     51#define DMA_CTRL			_MMIO(0xc314)
     52#define   HUC_UKERNEL			  (1<<9)
     53#define   UOS_MOVE			  (1<<4)
     54#define   START_DMA			  (1<<0)
     55#define DMA_GUC_WOPCM_OFFSET		_MMIO(0xc340)
     56#define   GUC_WOPCM_OFFSET_VALID	  (1<<0)
     57#define   HUC_LOADING_AGENT_VCR		  (0<<1)
     58#define   HUC_LOADING_AGENT_GUC		  (1<<1)
     59#define   GUC_WOPCM_OFFSET_SHIFT	14
     60#define   GUC_WOPCM_OFFSET_MASK		  (0x3ffff << GUC_WOPCM_OFFSET_SHIFT)
     61#define GUC_MAX_IDLE_COUNT		_MMIO(0xC3E4)
     62
     63#define HUC_STATUS2             _MMIO(0xD3B0)
     64#define   HUC_FW_VERIFIED       (1<<7)
     65
     66#define GEN11_HUC_KERNEL_LOAD_INFO	_MMIO(0xC1DC)
     67#define   HUC_LOAD_SUCCESSFUL		  (1 << 0)
     68
     69#define GUC_WOPCM_SIZE			_MMIO(0xc050)
     70#define   GUC_WOPCM_SIZE_LOCKED		  (1<<0)
     71#define   GUC_WOPCM_SIZE_SHIFT		12
     72#define   GUC_WOPCM_SIZE_MASK		  (0xfffff << GUC_WOPCM_SIZE_SHIFT)
     73
     74#define GEN8_GT_PM_CONFIG		_MMIO(0x138140)
     75#define GEN9LP_GT_PM_CONFIG		_MMIO(0x138140)
     76#define GEN9_GT_PM_CONFIG		_MMIO(0x13816c)
     77#define   GT_DOORBELL_ENABLE		  (1<<0)
     78
     79#define GEN8_GTCR			_MMIO(0x4274)
     80#define   GEN8_GTCR_INVALIDATE		  (1<<0)
     81
     82#define GEN12_GUC_TLB_INV_CR		_MMIO(0xcee8)
     83#define   GEN12_GUC_TLB_INV_CR_INVALIDATE	(1 << 0)
     84
     85#define GUC_ARAT_C6DIS			_MMIO(0xA178)
     86
     87#define GUC_SHIM_CONTROL		_MMIO(0xc064)
     88#define   GUC_DISABLE_SRAM_INIT_TO_ZEROES	(1<<0)
     89#define   GUC_ENABLE_READ_CACHE_LOGIC		(1<<1)
     90#define   GUC_ENABLE_MIA_CACHING		(1<<2)
     91#define   GUC_GEN10_MSGCH_ENABLE		(1<<4)
     92#define   GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA	(1<<9)
     93#define   GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA	(1<<10)
     94#define   GUC_ENABLE_MIA_CLOCK_GATING		(1<<15)
     95#define   GUC_GEN10_SHIM_WC_ENABLE		(1<<21)
     96
     97#define GUC_SHIM_CONTROL2		_MMIO(0xc068)
     98#define   GUC_IS_PRIVILEGED		(1<<29)
     99
    100#define GUC_SEND_INTERRUPT		_MMIO(0xc4c8)
    101#define   GUC_SEND_TRIGGER		  (1<<0)
    102#define GEN11_GUC_HOST_INTERRUPT	_MMIO(0x1901f0)
    103
    104#define GUC_NUM_DOORBELLS		256
    105
    106/* format of the HW-monitored doorbell cacheline */
    107struct guc_doorbell_info {
    108	u32 db_status;
    109#define GUC_DOORBELL_DISABLED		0
    110#define GUC_DOORBELL_ENABLED		1
    111
    112	u32 cookie;
    113	u32 reserved[14];
    114} __packed;
    115
    116#define GEN8_DRBREGL(x)			_MMIO(0x1000 + (x) * 8)
    117#define   GEN8_DRB_VALID		  (1<<0)
    118#define GEN8_DRBREGU(x)			_MMIO(0x1000 + (x) * 8 + 4)
    119
    120#define GEN12_DIST_DBS_POPULATED		_MMIO(0xd08)
    121#define   GEN12_DOORBELLS_PER_SQIDI_SHIFT	16
    122#define   GEN12_DOORBELLS_PER_SQIDI		(0xff)
    123#define   GEN12_SQIDIS_DOORBELL_EXIST		(0xffff)
    124
    125#define DE_GUCRMR			_MMIO(0x44054)
    126
    127#define GUC_BCS_RCS_IER			_MMIO(0xC550)
    128#define GUC_VCS2_VCS1_IER		_MMIO(0xC554)
    129#define GUC_WD_VECS_IER			_MMIO(0xC558)
    130#define GUC_PM_P24C_IER			_MMIO(0xC55C)
    131
    132/* GuC Interrupt Vector */
    133#define GUC_INTR_GUC2HOST		BIT(15)
    134#define GUC_INTR_EXEC_ERROR		BIT(14)
    135#define GUC_INTR_DISPLAY_EVENT		BIT(13)
    136#define GUC_INTR_SEM_SIG		BIT(12)
    137#define GUC_INTR_IOMMU2GUC		BIT(11)
    138#define GUC_INTR_DOORBELL_RANG		BIT(10)
    139#define GUC_INTR_DMA_DONE		BIT(9)
    140#define GUC_INTR_FATAL_ERROR		BIT(8)
    141#define GUC_INTR_NOTIF_ERROR		BIT(7)
    142#define GUC_INTR_SW_INT_6		BIT(6)
    143#define GUC_INTR_SW_INT_5		BIT(5)
    144#define GUC_INTR_SW_INT_4		BIT(4)
    145#define GUC_INTR_SW_INT_3		BIT(3)
    146#define GUC_INTR_SW_INT_2		BIT(2)
    147#define GUC_INTR_SW_INT_1		BIT(1)
    148#define GUC_INTR_SW_INT_0		BIT(0)
    149
    150#endif