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Brooklyn/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
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2022-03-15 21:13:23 +05:00

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/*
* Copyright 2016-2018 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "kfd_priv.h"
#include "kfd_events.h"
#include "soc15_int.h"
#include "kfd_device_queue_manager.h"
#include "kfd_smi_events.h"
enum SQ_INTERRUPT_WORD_ENCODING {
SQ_INTERRUPT_WORD_ENCODING_AUTO = 0x0,
SQ_INTERRUPT_WORD_ENCODING_INST,
SQ_INTERRUPT_WORD_ENCODING_ERROR,
};
enum SQ_INTERRUPT_ERROR_TYPE {
SQ_INTERRUPT_ERROR_TYPE_EDC_FUE = 0x0,
SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST,
SQ_INTERRUPT_ERROR_TYPE_MEMVIOL,
SQ_INTERRUPT_ERROR_TYPE_EDC_FED,
};
/* SQ_INTERRUPT_WORD_AUTO_CTXID */
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE__SHIFT 0
#define SQ_INTERRUPT_WORD_AUTO_CTXID__WLT__SHIFT 1
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_BUF_FULL__SHIFT 2
#define SQ_INTERRUPT_WORD_AUTO_CTXID__REG_TIMESTAMP__SHIFT 3
#define SQ_INTERRUPT_WORD_AUTO_CTXID__CMD_TIMESTAMP__SHIFT 4
#define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_CMD_OVERFLOW__SHIFT 5
#define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_REG_OVERFLOW__SHIFT 6
#define SQ_INTERRUPT_WORD_AUTO_CTXID__IMMED_OVERFLOW__SHIFT 7
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_UTC_ERROR__SHIFT 8
#define SQ_INTERRUPT_WORD_AUTO_CTXID__SE_ID__SHIFT 24
#define SQ_INTERRUPT_WORD_AUTO_CTXID__ENCODING__SHIFT 26
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_MASK 0x00000001
#define SQ_INTERRUPT_WORD_AUTO_CTXID__WLT_MASK 0x00000002
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_BUF_FULL_MASK 0x00000004
#define SQ_INTERRUPT_WORD_AUTO_CTXID__REG_TIMESTAMP_MASK 0x00000008
#define SQ_INTERRUPT_WORD_AUTO_CTXID__CMD_TIMESTAMP_MASK 0x00000010
#define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_CMD_OVERFLOW_MASK 0x00000020
#define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_REG_OVERFLOW_MASK 0x00000040
#define SQ_INTERRUPT_WORD_AUTO_CTXID__IMMED_OVERFLOW_MASK 0x00000080
#define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_UTC_ERROR_MASK 0x00000100
#define SQ_INTERRUPT_WORD_AUTO_CTXID__SE_ID_MASK 0x03000000
#define SQ_INTERRUPT_WORD_AUTO_CTXID__ENCODING_MASK 0x0c000000
/* SQ_INTERRUPT_WORD_WAVE_CTXID */
#define SQ_INTERRUPT_WORD_WAVE_CTXID__DATA__SHIFT 0
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SH_ID__SHIFT 12
#define SQ_INTERRUPT_WORD_WAVE_CTXID__PRIV__SHIFT 13
#define SQ_INTERRUPT_WORD_WAVE_CTXID__WAVE_ID__SHIFT 14
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SIMD_ID__SHIFT 18
#define SQ_INTERRUPT_WORD_WAVE_CTXID__CU_ID__SHIFT 20
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SE_ID__SHIFT 24
#define SQ_INTERRUPT_WORD_WAVE_CTXID__ENCODING__SHIFT 26
#define SQ_INTERRUPT_WORD_WAVE_CTXID__DATA_MASK 0x00000fff
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SH_ID_MASK 0x00001000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__PRIV_MASK 0x00002000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__WAVE_ID_MASK 0x0003c000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SIMD_ID_MASK 0x000c0000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__CU_ID_MASK 0x00f00000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__SE_ID_MASK 0x03000000
#define SQ_INTERRUPT_WORD_WAVE_CTXID__ENCODING_MASK 0x0c000000
#define KFD_CONTEXT_ID_GET_SQ_INT_DATA(ctx0, ctx1) \
((ctx0 & 0xfff) | ((ctx0 >> 16) & 0xf000) | ((ctx1 << 16) & 0xff0000))
#define KFD_SQ_INT_DATA__ERR_TYPE_MASK 0xF00000
#define KFD_SQ_INT_DATA__ERR_TYPE__SHIFT 20
static bool event_interrupt_isr_v9(struct kfd_dev *dev,
const uint32_t *ih_ring_entry,
uint32_t *patched_ihre,
bool *patched_flag)
{
uint16_t source_id, client_id, pasid, vmid;
const uint32_t *data = ih_ring_entry;
/* Only handle interrupts from KFD VMIDs */
vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
if (vmid < dev->vm_info.first_vmid_kfd ||
vmid > dev->vm_info.last_vmid_kfd)
return false;
source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
/* Only handle clients we care about */
if (client_id != SOC15_IH_CLIENTID_GRBM_CP &&
client_id != SOC15_IH_CLIENTID_SDMA0 &&
client_id != SOC15_IH_CLIENTID_SDMA1 &&
client_id != SOC15_IH_CLIENTID_SDMA2 &&
client_id != SOC15_IH_CLIENTID_SDMA3 &&
client_id != SOC15_IH_CLIENTID_SDMA4 &&
client_id != SOC15_IH_CLIENTID_SDMA5 &&
client_id != SOC15_IH_CLIENTID_SDMA6 &&
client_id != SOC15_IH_CLIENTID_SDMA7 &&
client_id != SOC15_IH_CLIENTID_VMC &&
client_id != SOC15_IH_CLIENTID_VMC1 &&
client_id != SOC15_IH_CLIENTID_UTCL2 &&
client_id != SOC15_IH_CLIENTID_SE0SH &&
client_id != SOC15_IH_CLIENTID_SE1SH &&
client_id != SOC15_IH_CLIENTID_SE2SH &&
client_id != SOC15_IH_CLIENTID_SE3SH)
return false;
/* This is a known issue for gfx9. Under non HWS, pasid is not set
* in the interrupt payload, so we need to find out the pasid on our
* own.
*/
if (!pasid && dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) {
const uint32_t pasid_mask = 0xffff;
*patched_flag = true;
memcpy(patched_ihre, ih_ring_entry,
dev->device_info->ih_ring_entry_size);
pasid = dev->dqm->vmid_pasid[vmid];
/* Patch the pasid field */
patched_ihre[3] = cpu_to_le32((le32_to_cpu(patched_ihre[3])
& ~pasid_mask) | pasid);
}
pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n",
client_id, source_id, vmid, pasid);
pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n",
data[0], data[1], data[2], data[3],
data[4], data[5], data[6], data[7]);
/* If there is no valid PASID, it's likely a bug */
if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt"))
return false;
/* Interrupt types we care about: various signals and faults.
* They will be forwarded to a work queue (see below).
*/
return source_id == SOC15_INTSRC_CP_END_OF_PIPE ||
source_id == SOC15_INTSRC_SDMA_TRAP ||
source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG ||
source_id == SOC15_INTSRC_CP_BAD_OPCODE ||
((client_id == SOC15_IH_CLIENTID_VMC ||
client_id == SOC15_IH_CLIENTID_VMC1 ||
client_id == SOC15_IH_CLIENTID_UTCL2) &&
!amdgpu_no_queue_eviction_on_vm_fault);
}
static void event_interrupt_wq_v9(struct kfd_dev *dev,
const uint32_t *ih_ring_entry)
{
uint16_t source_id, client_id, pasid, vmid;
uint32_t context_id0, context_id1;
uint32_t sq_intr_err, sq_int_data, encoding;
source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry);
context_id1 = SOC15_CONTEXT_ID1_FROM_IH_ENTRY(ih_ring_entry);
if (client_id == SOC15_IH_CLIENTID_GRBM_CP ||
client_id == SOC15_IH_CLIENTID_SE0SH ||
client_id == SOC15_IH_CLIENTID_SE1SH ||
client_id == SOC15_IH_CLIENTID_SE2SH ||
client_id == SOC15_IH_CLIENTID_SE3SH) {
if (source_id == SOC15_INTSRC_CP_END_OF_PIPE)
kfd_signal_event_interrupt(pasid, context_id0, 32);
else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) {
sq_int_data = KFD_CONTEXT_ID_GET_SQ_INT_DATA(context_id0, context_id1);
encoding = REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, ENCODING);
switch (encoding) {
case SQ_INTERRUPT_WORD_ENCODING_AUTO:
pr_debug(
"sq_intr: auto, se %d, ttrace %d, wlt %d, ttrac_buf_full %d, reg_tms %d, cmd_tms %d, host_cmd_ovf %d, host_reg_ovf %d, immed_ovf %d, ttrace_utc_err %d\n",
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, SE_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, WLT),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE_BUF_FULL),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, REG_TIMESTAMP),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, CMD_TIMESTAMP),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, HOST_CMD_OVERFLOW),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, HOST_REG_OVERFLOW),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, IMMED_OVERFLOW),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE_UTC_ERROR));
break;
case SQ_INTERRUPT_WORD_ENCODING_INST:
pr_debug("sq_intr: inst, se %d, data 0x%x, sh %d, priv %d, wave_id %d, simd_id %d, cu_id %d, intr_data 0x%x\n",
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SE_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, DATA),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SH_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, PRIV),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, WAVE_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SIMD_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, CU_ID),
sq_int_data);
break;
case SQ_INTERRUPT_WORD_ENCODING_ERROR:
sq_intr_err = REG_GET_FIELD(sq_int_data, KFD_SQ_INT_DATA, ERR_TYPE);
pr_warn("sq_intr: error, se %d, data 0x%x, sh %d, priv %d, wave_id %d, simd_id %d, cu_id %d, err_type %d\n",
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SE_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, DATA),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SH_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, PRIV),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, WAVE_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SIMD_ID),
REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, CU_ID),
sq_intr_err);
if (sq_intr_err != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST &&
sq_intr_err != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) {
kfd_signal_poison_consumed_event(dev, pasid);
amdgpu_amdkfd_gpu_reset(dev->kgd);
return;
}
break;
default:
break;
}
kfd_signal_event_interrupt(pasid, context_id0 & 0xffffff, 24);
} else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE)
kfd_signal_hw_exception_event(pasid);
} else if (client_id == SOC15_IH_CLIENTID_SDMA0 ||
client_id == SOC15_IH_CLIENTID_SDMA1 ||
client_id == SOC15_IH_CLIENTID_SDMA2 ||
client_id == SOC15_IH_CLIENTID_SDMA3 ||
client_id == SOC15_IH_CLIENTID_SDMA4 ||
client_id == SOC15_IH_CLIENTID_SDMA5 ||
client_id == SOC15_IH_CLIENTID_SDMA6 ||
client_id == SOC15_IH_CLIENTID_SDMA7) {
if (source_id == SOC15_INTSRC_SDMA_TRAP) {
kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28);
} else if (source_id == SOC15_INTSRC_SDMA_ECC) {
kfd_signal_poison_consumed_event(dev, pasid);
amdgpu_amdkfd_gpu_reset(dev->kgd);
return;
}
} else if (client_id == SOC15_IH_CLIENTID_VMC ||
client_id == SOC15_IH_CLIENTID_VMC1 ||
client_id == SOC15_IH_CLIENTID_UTCL2) {
struct kfd_vm_fault_info info = {0};
uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry);
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;
kfd_smi_event_update_vmfault(dev, pasid);
kfd_process_vm_fault(dev->dqm, pasid);
kfd_signal_vm_fault_event(dev, pasid, &info);
}
}
const struct kfd_event_interrupt_class event_interrupt_class_v9 = {
.interrupt_isr = event_interrupt_isr_v9,
.interrupt_wq = event_interrupt_wq_v9,
};
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