406 lines
15 KiB
C
406 lines
15 KiB
C
/*
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* Copyright 2023 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "kfd_events.h"
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#include "kfd_debug.h"
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#include "soc15_int.h"
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#include "kfd_device_queue_manager.h"
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/*
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* GFX10 SQ Interrupts
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*
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* There are 3 encoding types of interrupts sourced from SQ sent as a 44-bit
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* packet to the Interrupt Handler:
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* Auto - Generated by the SQG (various cmd overflows, timestamps etc)
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* Wave - Generated by S_SENDMSG through a shader program
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* Error - HW generated errors (Illegal instructions, Memviols, EDC etc)
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*
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* The 44-bit packet is mapped as {context_id1[7:0],context_id0[31:0]} plus
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* 4-bits for VMID (SOC15_VMID_FROM_IH_ENTRY) as such:
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*
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* - context_id1[7:6]
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* Encoding type (0 = Auto, 1 = Wave, 2 = Error)
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*
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* - context_id0[24]
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* PRIV bit indicates that Wave S_SEND or error occurred within trap
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*
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* - context_id0[22:0]
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* 23-bit data with the following layout per encoding type:
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* Auto - only context_id0[8:0] is used, which reports various interrupts
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* generated by SQG. The rest is 0.
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* Wave - user data sent from m0 via S_SENDMSG
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* Error - Error type (context_id0[22:19]), Error Details (rest of bits)
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*
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* The other context_id bits show coordinates (SE/SH/CU/SIMD/WGP) for wave
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* S_SENDMSG and Errors. These are 0 for Auto.
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*/
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enum SQ_INTERRUPT_WORD_ENCODING {
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SQ_INTERRUPT_WORD_ENCODING_AUTO = 0x0,
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SQ_INTERRUPT_WORD_ENCODING_INST,
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SQ_INTERRUPT_WORD_ENCODING_ERROR,
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};
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enum SQ_INTERRUPT_ERROR_TYPE {
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SQ_INTERRUPT_ERROR_TYPE_EDC_FUE = 0x0,
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SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST,
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SQ_INTERRUPT_ERROR_TYPE_MEMVIOL,
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SQ_INTERRUPT_ERROR_TYPE_EDC_FED,
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};
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/* SQ_INTERRUPT_WORD_AUTO_CTXID */
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE__SHIFT 0
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT__SHIFT 1
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL__SHIFT 2
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL__SHIFT 3
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 7
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#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID__SHIFT 4
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#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING__SHIFT 6
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_MASK 0x00000001
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT_MASK 0x00000002
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL_MASK 0x00000004
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL_MASK 0x00000008
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#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x00000080
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#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID_MASK 0x030
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#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x0c0
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/* SQ_INTERRUPT_WORD_WAVE_CTXID */
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 0
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID__SHIFT 23
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 24
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 25
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID__SHIFT 30
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 0
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID__SHIFT 4
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 6
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x000007fffff
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID_MASK 0x0000800000
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x00001000000
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0x0003e000000
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#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID_MASK 0x000c0000000
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x00f
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID_MASK 0x030
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#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x0c0
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#define KFD_CTXID0__ERR_TYPE_MASK 0x780000
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#define KFD_CTXID0__ERR_TYPE__SHIFT 19
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/* GFX10 SQ interrupt ENC type bit (context_id1[7:6]) for wave s_sendmsg */
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#define KFD_CONTEXT_ID1_ENC_TYPE_WAVE_MASK 0x40
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/* GFX10 SQ interrupt PRIV bit (context_id0[24]) for s_sendmsg inside trap */
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#define KFD_CONTEXT_ID0_PRIV_MASK 0x1000000
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/*
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* The debugger will send user data(m0) with PRIV=1 to indicate it requires
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* notification from the KFD with the following queue id (DOORBELL_ID) and
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* trap code (TRAP_CODE).
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*/
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#define KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK 0x0003ff
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#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT 10
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#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK 0x07fc00
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#define KFD_DEBUG_DOORBELL_ID(ctxid0) ((ctxid0) & \
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KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK)
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#define KFD_DEBUG_TRAP_CODE(ctxid0) (((ctxid0) & \
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KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK) \
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>> KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT)
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#define KFD_DEBUG_CP_BAD_OP_ECODE_MASK 0x3fffc00
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#define KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT 10
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#define KFD_DEBUG_CP_BAD_OP_ECODE(ctxid0) (((ctxid0) & \
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KFD_DEBUG_CP_BAD_OP_ECODE_MASK) \
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>> KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT)
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static void event_interrupt_poison_consumption(struct kfd_node *dev,
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uint16_t pasid, uint16_t client_id)
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{
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int old_poison, ret = -EINVAL;
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struct kfd_process *p = kfd_lookup_process_by_pasid(pasid);
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if (!p)
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return;
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/* all queues of a process will be unmapped in one time */
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old_poison = atomic_cmpxchg(&p->poison, 0, 1);
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kfd_unref_process(p);
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if (old_poison)
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return;
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switch (client_id) {
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case SOC15_IH_CLIENTID_SE0SH:
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case SOC15_IH_CLIENTID_SE1SH:
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case SOC15_IH_CLIENTID_SE2SH:
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case SOC15_IH_CLIENTID_SE3SH:
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case SOC15_IH_CLIENTID_UTCL2:
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ret = kfd_dqm_evict_pasid(dev->dqm, pasid);
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break;
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case SOC15_IH_CLIENTID_SDMA0:
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case SOC15_IH_CLIENTID_SDMA1:
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case SOC15_IH_CLIENTID_SDMA2:
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case SOC15_IH_CLIENTID_SDMA3:
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case SOC15_IH_CLIENTID_SDMA4:
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break;
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default:
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break;
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}
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kfd_signal_poison_consumed_event(dev, pasid);
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/* resetting queue passes, do page retirement without gpu reset
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* resetting queue fails, fallback to gpu reset solution
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*/
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if (!ret) {
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dev_warn(dev->adev->dev,
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"RAS poison consumption, unmap queue flow succeeded: client id %d\n",
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client_id);
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amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false);
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} else {
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dev_warn(dev->adev->dev,
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"RAS poison consumption, fall back to gpu reset flow: client id %d\n",
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client_id);
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amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, true);
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}
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}
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static bool event_interrupt_isr_v10(struct kfd_node *dev,
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const uint32_t *ih_ring_entry,
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uint32_t *patched_ihre,
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bool *patched_flag)
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{
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uint16_t source_id, client_id, pasid, vmid;
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const uint32_t *data = ih_ring_entry;
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source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
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client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
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/* Only handle interrupts from KFD VMIDs */
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vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
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if (!KFD_IRQ_IS_FENCE(client_id, source_id) &&
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(vmid < dev->vm_info.first_vmid_kfd ||
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vmid > dev->vm_info.last_vmid_kfd))
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return false;
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pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
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/* Only handle clients we care about */
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if (client_id != SOC15_IH_CLIENTID_GRBM_CP &&
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client_id != SOC15_IH_CLIENTID_SDMA0 &&
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client_id != SOC15_IH_CLIENTID_SDMA1 &&
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client_id != SOC15_IH_CLIENTID_SDMA2 &&
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client_id != SOC15_IH_CLIENTID_SDMA3 &&
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client_id != SOC15_IH_CLIENTID_SDMA4 &&
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client_id != SOC15_IH_CLIENTID_SDMA5 &&
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client_id != SOC15_IH_CLIENTID_SDMA6 &&
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client_id != SOC15_IH_CLIENTID_SDMA7 &&
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client_id != SOC15_IH_CLIENTID_VMC &&
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client_id != SOC15_IH_CLIENTID_VMC1 &&
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client_id != SOC15_IH_CLIENTID_UTCL2 &&
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client_id != SOC15_IH_CLIENTID_SE0SH &&
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client_id != SOC15_IH_CLIENTID_SE1SH &&
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client_id != SOC15_IH_CLIENTID_SE2SH &&
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client_id != SOC15_IH_CLIENTID_SE3SH)
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return false;
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pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n",
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client_id, source_id, vmid, pasid);
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pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n",
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data[0], data[1], data[2], data[3],
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data[4], data[5], data[6], data[7]);
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/* If there is no valid PASID, it's likely a bug */
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if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt"))
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return 0;
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/* Interrupt types we care about: various signals and faults.
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* They will be forwarded to a work queue (see below).
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*/
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return source_id == SOC15_INTSRC_CP_END_OF_PIPE ||
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source_id == SOC15_INTSRC_SDMA_TRAP ||
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source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG ||
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source_id == SOC15_INTSRC_CP_BAD_OPCODE ||
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client_id == SOC15_IH_CLIENTID_VMC ||
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client_id == SOC15_IH_CLIENTID_VMC1 ||
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client_id == SOC15_IH_CLIENTID_UTCL2 ||
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KFD_IRQ_IS_FENCE(client_id, source_id);
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}
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static void event_interrupt_wq_v10(struct kfd_node *dev,
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const uint32_t *ih_ring_entry)
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{
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uint16_t source_id, client_id, pasid, vmid;
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uint32_t context_id0, context_id1;
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uint32_t encoding, sq_intr_err_type;
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source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
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client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
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pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
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vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
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context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry);
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context_id1 = SOC15_CONTEXT_ID1_FROM_IH_ENTRY(ih_ring_entry);
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if (client_id == SOC15_IH_CLIENTID_GRBM_CP ||
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client_id == SOC15_IH_CLIENTID_SE0SH ||
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client_id == SOC15_IH_CLIENTID_SE1SH ||
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client_id == SOC15_IH_CLIENTID_SE2SH ||
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client_id == SOC15_IH_CLIENTID_SE3SH) {
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if (source_id == SOC15_INTSRC_CP_END_OF_PIPE)
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kfd_signal_event_interrupt(pasid, context_id0, 32);
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else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) {
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encoding = REG_GET_FIELD(context_id1,
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SQ_INTERRUPT_WORD_WAVE_CTXID1, ENCODING);
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switch (encoding) {
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case SQ_INTERRUPT_WORD_ENCODING_AUTO:
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pr_debug(
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"sq_intr: auto, se %d, ttrace %d, wlt %d, ttrac_buf0_full %d, ttrac_buf1_full %d, ttrace_utc_err %d\n",
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REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_AUTO_CTXID1,
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SE_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,
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THREAD_TRACE),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,
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WLT),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,
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THREAD_TRACE_BUF0_FULL),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,
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THREAD_TRACE_BUF1_FULL),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,
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THREAD_TRACE_UTC_ERROR));
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break;
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case SQ_INTERRUPT_WORD_ENCODING_INST:
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pr_debug("sq_intr: inst, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n",
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REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,
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SE_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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DATA),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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SA_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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PRIV),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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WAVE_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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SIMD_ID),
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REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,
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WGP_ID));
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if (context_id0 & SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK) {
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if (kfd_set_dbg_ev_from_interrupt(dev, pasid,
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KFD_DEBUG_DOORBELL_ID(context_id0),
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KFD_DEBUG_TRAP_CODE(context_id0),
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NULL, 0))
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return;
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}
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break;
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case SQ_INTERRUPT_WORD_ENCODING_ERROR:
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sq_intr_err_type = REG_GET_FIELD(context_id0, KFD_CTXID0,
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ERR_TYPE);
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pr_warn("sq_intr: error, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d, err_type %d\n",
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REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,
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SE_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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DATA),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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SA_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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PRIV),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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WAVE_ID),
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REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,
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SIMD_ID),
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REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,
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WGP_ID),
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sq_intr_err_type);
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if (sq_intr_err_type != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST &&
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sq_intr_err_type != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) {
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event_interrupt_poison_consumption(dev, pasid, source_id);
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return;
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}
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break;
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default:
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break;
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}
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kfd_signal_event_interrupt(pasid, context_id0 & 0x7fffff, 23);
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} else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) {
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kfd_set_dbg_ev_from_interrupt(dev, pasid,
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KFD_DEBUG_DOORBELL_ID(context_id0),
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KFD_EC_MASK(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0)),
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NULL,
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0);
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}
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} else if (client_id == SOC15_IH_CLIENTID_SDMA0 ||
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client_id == SOC15_IH_CLIENTID_SDMA1 ||
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client_id == SOC15_IH_CLIENTID_SDMA2 ||
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client_id == SOC15_IH_CLIENTID_SDMA3 ||
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(client_id == SOC15_IH_CLIENTID_SDMA3_Sienna_Cichlid &&
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KFD_GC_VERSION(dev) == IP_VERSION(10, 3, 0)) ||
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client_id == SOC15_IH_CLIENTID_SDMA4 ||
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client_id == SOC15_IH_CLIENTID_SDMA5 ||
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client_id == SOC15_IH_CLIENTID_SDMA6 ||
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client_id == SOC15_IH_CLIENTID_SDMA7) {
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if (source_id == SOC15_INTSRC_SDMA_TRAP) {
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kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28);
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} else if (source_id == SOC15_INTSRC_SDMA_ECC) {
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event_interrupt_poison_consumption(dev, pasid, source_id);
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return;
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}
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} else if (client_id == SOC15_IH_CLIENTID_VMC ||
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client_id == SOC15_IH_CLIENTID_VMC1 ||
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client_id == SOC15_IH_CLIENTID_UTCL2) {
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struct kfd_vm_fault_info info = {0};
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uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry);
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struct kfd_hsa_memory_exception_data exception_data;
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if (client_id == SOC15_IH_CLIENTID_UTCL2 &&
|
|
amdgpu_amdkfd_ras_query_utcl2_poison_status(dev->adev)) {
|
|
event_interrupt_poison_consumption(dev, pasid, client_id);
|
|
return;
|
|
}
|
|
|
|
info.vmid = vmid;
|
|
info.mc_id = client_id;
|
|
info.page_addr = ih_ring_entry[4] |
|
|
(uint64_t)(ih_ring_entry[5] & 0xf) << 32;
|
|
info.prot_valid = ring_id & 0x08;
|
|
info.prot_read = ring_id & 0x10;
|
|
info.prot_write = ring_id & 0x20;
|
|
|
|
memset(&exception_data, 0, sizeof(exception_data));
|
|
exception_data.gpu_id = dev->id;
|
|
exception_data.va = (info.page_addr) << PAGE_SHIFT;
|
|
exception_data.failure.NotPresent = info.prot_valid ? 1 : 0;
|
|
exception_data.failure.NoExecute = info.prot_exec ? 1 : 0;
|
|
exception_data.failure.ReadOnly = info.prot_write ? 1 : 0;
|
|
exception_data.failure.imprecise = 0;
|
|
|
|
kfd_set_dbg_ev_from_interrupt(dev,
|
|
pasid,
|
|
-1,
|
|
KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION),
|
|
&exception_data,
|
|
sizeof(exception_data));
|
|
} else if (KFD_IRQ_IS_FENCE(client_id, source_id)) {
|
|
kfd_process_close_interrupt_drain(pasid);
|
|
}
|
|
}
|
|
|
|
const struct kfd_event_interrupt_class event_interrupt_class_v10 = {
|
|
.interrupt_isr = event_interrupt_isr_v10,
|
|
.interrupt_wq = event_interrupt_wq_v10,
|
|
};
|