| /* 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`_ | |
| * | | | - `GuC VGT Policy KLVs`_ | |
| * | | | - `GuC VF Configuration 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 (0xffff << 16) |
| #define GUC_KLV_0_LEN (0xffff << 0) |
| #define GUC_KLV_n_VALUE (0xffffffff << 0) |
| |
| /** |
| * DOC: GuC Self Config KLVs |
| * |
| * `GuC KLV`_ keys available for use with HOST2GUC_SELF_CFG_. |
| * |
| * _`GUC_KLV_SELF_CFG_MEMIRQ_STATUS_ADDR` : 0x0900 |
| * Refers to 64 bit Global Gfx address (in bytes) of memory based interrupts |
| * status vector for use by the GuC. |
| * |
| * _`GUC_KLV_SELF_CFG_MEMIRQ_SOURCE_ADDR` : 0x0901 |
| * Refers to 64 bit Global Gfx address (in bytes) of memory based interrupts |
| * source vector for use by the GuC. |
| * |
| * _`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_MEMIRQ_STATUS_ADDR_KEY 0x0900 |
| #define GUC_KLV_SELF_CFG_MEMIRQ_STATUS_ADDR_LEN 2u |
| |
| #define GUC_KLV_SELF_CFG_MEMIRQ_SOURCE_ADDR_KEY 0x0901 |
| #define GUC_KLV_SELF_CFG_MEMIRQ_SOURCE_ADDR_LEN 2u |
| |
| #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 |
| |
| /* |
| * 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, |
| }; |
| |
| /** |
| * DOC: GuC VGT Policy KLVs |
| * |
| * `GuC KLV`_ keys available for use with PF2GUC_UPDATE_VGT_POLICY. |
| * |
| * _`GUC_KLV_VGT_POLICY_SCHED_IF_IDLE` : 0x8001 |
| * This config sets whether strict scheduling is enabled whereby any VF |
| * that doesn’t have work to submit is still allocated a fixed execution |
| * time-slice to ensure active VFs execution is always consitent even |
| * during other VF reprovisiong / rebooting events. Changing this KLV |
| * impacts all VFs and takes effect on the next VF-Switch event. |
| * |
| * :0: don't schedule idle (default) |
| * :1: schedule if idle |
| * |
| * _`GUC_KLV_VGT_POLICY_ADVERSE_SAMPLE_PERIOD` : 0x8002 |
| * This config sets the sample period for tracking adverse event counters. |
| * A sample period is the period in millisecs during which events are counted. |
| * This is applicable for all the VFs. |
| * |
| * :0: adverse events are not counted (default) |
| * :n: sample period in milliseconds |
| * |
| * _`GUC_KLV_VGT_POLICY_RESET_AFTER_VF_SWITCH` : 0x8D00 |
| * This enum is to reset utilized HW engine after VF Switch (i.e to clean |
| * up Stale HW register left behind by previous VF) |
| * |
| * :0: don't reset (default) |
| * :1: reset |
| */ |
| |
| #define GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY 0x8001 |
| #define GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_LEN 1u |
| |
| #define GUC_KLV_VGT_POLICY_ADVERSE_SAMPLE_PERIOD_KEY 0x8002 |
| #define GUC_KLV_VGT_POLICY_ADVERSE_SAMPLE_PERIOD_LEN 1u |
| |
| #define GUC_KLV_VGT_POLICY_RESET_AFTER_VF_SWITCH_KEY 0x8D00 |
| #define GUC_KLV_VGT_POLICY_RESET_AFTER_VF_SWITCH_LEN 1u |
| |
| /** |
| * DOC: GuC VF Configuration KLVs |
| * |
| * `GuC KLV`_ keys available for use with PF2GUC_UPDATE_VF_CFG. |
| * |
| * _`GUC_KLV_VF_CFG_GGTT_START` : 0x0001 |
| * A 4K aligned start GTT address/offset assigned to VF. |
| * Value is 64 bits. |
| * |
| * _`GUC_KLV_VF_CFG_GGTT_SIZE` : 0x0002 |
| * A 4K aligned size of GGTT assigned to VF. |
| * Value is 64 bits. |
| * |
| * _`GUC_KLV_VF_CFG_LMEM_SIZE` : 0x0003 |
| * A 2M aligned size of local memory assigned to VF. |
| * Value is 64 bits. |
| * |
| * _`GUC_KLV_VF_CFG_NUM_CONTEXTS` : 0x0004 |
| * Refers to the number of contexts allocated to this VF. |
| * |
| * :0: no contexts (default) |
| * :1-65535: number of contexts (Gen12) |
| * |
| * _`GUC_KLV_VF_CFG_TILE_MASK` : 0x0005 |
| * For multi-tiled products, this field contains the bitwise-OR of tiles |
| * assigned to the VF. Bit-0-set means VF has access to Tile-0, |
| * Bit-31-set means VF has access to Tile-31, and etc. |
| * At least one tile will always be allocated. |
| * If all bits are zero, VF KMD should treat this as a fatal error. |
| * For, single-tile products this KLV config is ignored. |
| * |
| * _`GUC_KLV_VF_CFG_NUM_DOORBELLS` : 0x0006 |
| * Refers to the number of doorbells allocated to this VF. |
| * |
| * :0: no doorbells (default) |
| * :1-255: number of doorbells (Gen12) |
| * |
| * _`GUC_KLV_VF_CFG_EXEC_QUANTUM` : 0x8A01 |
| * This config sets the VFs-execution-quantum in milliseconds. |
| * GUC will attempt to obey the maximum values as much as HW is capable |
| * of and this will never be perfectly-exact (accumulated nano-second |
| * granularity) since the GPUs clock time runs off a different crystal |
| * from the CPUs clock. Changing this KLV on a VF that is currently |
| * running a context wont take effect until a new context is scheduled in. |
| * That said, when the PF is changing this value from 0xFFFFFFFF to |
| * something else, it might never take effect if the VF is running an |
| * inifinitely long compute or shader kernel. In such a scenario, the |
| * PF would need to trigger a VM PAUSE and then change the KLV to force |
| * it to take effect. Such cases might typically happen on a 1PF+1VF |
| * Virtualization config enabled for heavier workloads like AI/ML. |
| * |
| * :0: infinite exec quantum (default) |
| * |
| * _`GUC_KLV_VF_CFG_PREEMPT_TIMEOUT` : 0x8A02 |
| * This config sets the VF-preemption-timeout in microseconds. |
| * GUC will attempt to obey the minimum and maximum values as much as |
| * HW is capable and this will never be perfectly-exact (accumulated |
| * nano-second granularity) since the GPUs clock time runs off a |
| * different crystal from the CPUs clock. Changing this KLV on a VF |
| * that is currently running a context wont take effect until a new |
| * context is scheduled in. |
| * That said, when the PF is changing this value from 0xFFFFFFFF to |
| * something else, it might never take effect if the VF is running an |
| * inifinitely long compute or shader kernel. |
| * In this case, the PF would need to trigger a VM PAUSE and then change |
| * the KLV to force it to take effect. Such cases might typically happen |
| * on a 1PF+1VF Virtualization config enabled for heavier workloads like |
| * AI/ML. |
| * |
| * :0: no preemption timeout (default) |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_CAT_ERR` : 0x8A03 |
| * This config sets threshold for CAT errors caused by the VF. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: event occurrence count per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_ENGINE_RESET` : 0x8A04 |
| * This config sets threshold for engine reset caused by the VF. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: event occurrence count per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_PAGE_FAULT` : 0x8A05 |
| * This config sets threshold for page fault errors caused by the VF. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: event occurrence count per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_H2G_STORM` : 0x8A06 |
| * This config sets threshold for H2G interrupts triggered by the VF. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: time (us) per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_IRQ_STORM` : 0x8A07 |
| * This config sets threshold for GT interrupts triggered by the VF's |
| * workloads. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: time (us) per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_THRESHOLD_DOORBELL_STORM` : 0x8A08 |
| * This config sets threshold for doorbell's ring triggered by the VF. |
| * |
| * :0: adverse events or error will not be reported (default) |
| * :n: time (us) per sampling interval |
| * |
| * _`GUC_KLV_VF_CFG_BEGIN_DOORBELL_ID` : 0x8A0A |
| * Refers to the start index of doorbell assigned to this VF. |
| * |
| * :0: (default) |
| * :1-255: number of doorbells (Gen12) |
| * |
| * _`GUC_KLV_VF_CFG_BEGIN_CONTEXT_ID` : 0x8A0B |
| * Refers to the start index in context array allocated to this VF’s use. |
| * |
| * :0: (default) |
| * :1-65535: number of contexts (Gen12) |
| */ |
| |
| #define GUC_KLV_VF_CFG_GGTT_START_KEY 0x0001 |
| #define GUC_KLV_VF_CFG_GGTT_START_LEN 2u |
| |
| #define GUC_KLV_VF_CFG_GGTT_SIZE_KEY 0x0002 |
| #define GUC_KLV_VF_CFG_GGTT_SIZE_LEN 2u |
| |
| #define GUC_KLV_VF_CFG_LMEM_SIZE_KEY 0x0003 |
| #define GUC_KLV_VF_CFG_LMEM_SIZE_LEN 2u |
| |
| #define GUC_KLV_VF_CFG_NUM_CONTEXTS_KEY 0x0004 |
| #define GUC_KLV_VF_CFG_NUM_CONTEXTS_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_TILE_MASK_KEY 0x0005 |
| #define GUC_KLV_VF_CFG_TILE_MASK_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_NUM_DOORBELLS_KEY 0x0006 |
| #define GUC_KLV_VF_CFG_NUM_DOORBELLS_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_EXEC_QUANTUM_KEY 0x8a01 |
| #define GUC_KLV_VF_CFG_EXEC_QUANTUM_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_PREEMPT_TIMEOUT_KEY 0x8a02 |
| #define GUC_KLV_VF_CFG_PREEMPT_TIMEOUT_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_CAT_ERR_KEY 0x8a03 |
| #define GUC_KLV_VF_CFG_THRESHOLD_CAT_ERR_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_ENGINE_RESET_KEY 0x8a04 |
| #define GUC_KLV_VF_CFG_THRESHOLD_ENGINE_RESET_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_PAGE_FAULT_KEY 0x8a05 |
| #define GUC_KLV_VF_CFG_THRESHOLD_PAGE_FAULT_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_H2G_STORM_KEY 0x8a06 |
| #define GUC_KLV_VF_CFG_THRESHOLD_H2G_STORM_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_IRQ_STORM_KEY 0x8a07 |
| #define GUC_KLV_VF_CFG_THRESHOLD_IRQ_STORM_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_THRESHOLD_DOORBELL_STORM_KEY 0x8a08 |
| #define GUC_KLV_VF_CFG_THRESHOLD_DOORBELL_STORM_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_BEGIN_DOORBELL_ID_KEY 0x8a0a |
| #define GUC_KLV_VF_CFG_BEGIN_DOORBELL_ID_LEN 1u |
| |
| #define GUC_KLV_VF_CFG_BEGIN_CONTEXT_ID_KEY 0x8a0b |
| #define GUC_KLV_VF_CFG_BEGIN_CONTEXT_ID_LEN 1u |
| |
| #endif |
