/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2021 Intel Corporation
*/
#ifndef _ABI_GUC_KLVS_ABI_H
#define _ABI_GUC_KLVS_ABI_H
#include <linux/types.h>
/**
* DOC: GuC KLV
*
* +---+-------+--------------------------------------------------------------+
* | | Bits | Description |
* +===+=======+==============================================================+
* | 0 | 31:16 | **KEY** - KLV key identifier |
* | | | - `GuC Self Config KLVs`_ |
* | | | |
* | +-------+--------------------------------------------------------------+
* | | 15:0 | **LEN** - length of VALUE (in 32bit dwords) |
* +---+-------+--------------------------------------------------------------+
* | 1 | 31:0 | **VALUE** - actual value of the KLV (format depends on KEY) |
* +---+-------+ |
* |...| | |
* +---+-------+ |
* | n | 31:0 | |
* +---+-------+--------------------------------------------------------------+
*/
#define GUC_KLV_LEN_MIN 1u
#define GUC_KLV_0_KEY (0xffffu << 16)
#define GUC_KLV_0_LEN (0xffffu << 0)
#define GUC_KLV_n_VALUE (0xffffffffu << 0)
/**
* DOC: GuC Self Config KLVs
*
* `GuC KLV`_ keys available for use with HOST2GUC_SELF_CFG_.
*
* _`GUC_KLV_SELF_CFG_H2G_CTB_ADDR` : 0x0902
* Refers to 64 bit Global Gfx address of H2G `CT Buffer`_.
* Should be above WOPCM address but below APIC base address for native mode.
*
* _`GUC_KLV_SELF_CFG_H2G_CTB_DESCRIPTOR_ADDR` : 0x0903
* Refers to 64 bit Global Gfx address of H2G `CTB Descriptor`_.
* Should be above WOPCM address but below APIC base address for native mode.
*
* _`GUC_KLV_SELF_CFG_H2G_CTB_SIZE` : 0x0904
* Refers to size of H2G `CT Buffer`_ in bytes.
* Should be a multiple of 4K.
*
* _`GUC_KLV_SELF_CFG_G2H_CTB_ADDR` : 0x0905
* Refers to 64 bit Global Gfx address of G2H `CT Buffer`_.
* Should be above WOPCM address but below APIC base address for native mode.
*
* _`GUC_KLV_SELF_CFG_G2H_CTB_DESCRIPTOR_ADDR` : 0x0906
* Refers to 64 bit Global Gfx address of G2H `CTB Descriptor`_.
* Should be above WOPCM address but below APIC base address for native mode.
*
* _`GUC_KLV_SELF_CFG_G2H_CTB_SIZE` : 0x0907
* Refers to size of G2H `CT Buffer`_ in bytes.
* Should be a multiple of 4K.
*/
#define GUC_KLV_SELF_CFG_H2G_CTB_ADDR_KEY 0x0902
#define GUC_KLV_SELF_CFG_H2G_CTB_ADDR_LEN 2u
#define GUC_KLV_SELF_CFG_H2G_CTB_DESCRIPTOR_ADDR_KEY 0x0903
#define GUC_KLV_SELF_CFG_H2G_CTB_DESCRIPTOR_ADDR_LEN 2u
#define GUC_KLV_SELF_CFG_H2G_CTB_SIZE_KEY 0x0904
#define GUC_KLV_SELF_CFG_H2G_CTB_SIZE_LEN 1u
#define GUC_KLV_SELF_CFG_G2H_CTB_ADDR_KEY 0x0905
#define GUC_KLV_SELF_CFG_G2H_CTB_ADDR_LEN 2u
#define GUC_KLV_SELF_CFG_G2H_CTB_DESCRIPTOR_ADDR_KEY 0x0906
#define GUC_KLV_SELF_CFG_G2H_CTB_DESCRIPTOR_ADDR_LEN 2u
#define GUC_KLV_SELF_CFG_G2H_CTB_SIZE_KEY 0x0907
#define GUC_KLV_SELF_CFG_G2H_CTB_SIZE_LEN 1u
/*
* Global scheduling policy update keys.
*/
enum {
GUC_SCHEDULING_POLICIES_KLV_ID_RENDER_COMPUTE_YIELD = 0x1001,
};
/*
* Per context scheduling policy update keys.
*/
enum {
GUC_CONTEXT_POLICIES_KLV_ID_EXECUTION_QUANTUM = 0x2001,
GUC_CONTEXT_POLICIES_KLV_ID_PREEMPTION_TIMEOUT = 0x2002,
GUC_CONTEXT_POLICIES_KLV_ID_SCHEDULING_PRIORITY = 0x2003,
GUC_CONTEXT_POLICIES_KLV_ID_PREEMPT_TO_IDLE_ON_QUANTUM_EXPIRY = 0x2004,
GUC_CONTEXT_POLICIES_KLV_ID_SLPM_GT_FREQUENCY = 0x2005,
GUC_CONTEXT_POLICIES_KLV_NUM_IDS = 5,
};
/*
* Workaround keys:
*/
enum {
GUC_WORKAROUND_KLV_SERIALIZED_RA_MODE = 0x9001,
GUC_WORKAROUND_KLV_BLOCK_INTERRUPTS_WHEN_MGSR_BLOCKED = 0x9002,
GUC_WORKAROUND_KLV_AVOID_GFX_CLEAR_WHILE_ACTIVE = 0x9006,
};
#endif /* _ABI_GUC_KLVS_ABI_H */
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