[PATCH 2/2] drm/amdkfd: add reset cause in gpu pre-reset smi event
Eric Huang
jinhuieric.huang at amd.com
Mon Jun 3 18:12:58 UTC 2024
reset cause is requested by customer as additional
info for gpu reset smi event.
v2: integerate reset sources suggested by Lijo Lazar
Signed-off-by: Eric Huang <jinhuieric.huang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 3 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 10 +++++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 7 ++++---
drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c | 16 ++++++++++++++--
drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h | 5 ++++-
6 files changed, 33 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index e3738d417245..eb601b41d9d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -133,6 +133,9 @@ static void amdgpu_amdkfd_reset_work(struct work_struct *work)
reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
+ reset_context.src = adev->enable_mes ?
+ AMDGPU_RESET_SRC_MES :
+ AMDGPU_RESET_SRC_HWS;
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
amdgpu_device_gpu_recover(adev, NULL, &reset_context);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 1de021ebdd46..7e945a4790bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -47,6 +47,7 @@ enum TLB_FLUSH_TYPE {
};
struct amdgpu_device;
+struct amdgpu_reset_context;
enum kfd_mem_attachment_type {
KFD_MEM_ATT_SHARED, /* Share kgd_mem->bo or another attachment's */
@@ -170,7 +171,8 @@ bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev);
bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid);
-int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev);
+int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev,
+ struct amdgpu_reset_context *reset_context);
int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev);
@@ -416,7 +418,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
void kgd2kfd_device_exit(struct kfd_dev *kfd);
void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm);
int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm);
-int kgd2kfd_pre_reset(struct kfd_dev *kfd);
+int kgd2kfd_pre_reset(struct kfd_dev *kfd,
+ struct amdgpu_reset_context *reset_context);
int kgd2kfd_post_reset(struct kfd_dev *kfd);
void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry);
void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd);
@@ -459,7 +462,8 @@ static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
return 0;
}
-static inline int kgd2kfd_pre_reset(struct kfd_dev *kfd)
+static inline int kgd2kfd_pre_reset(struct kfd_dev *kfd,
+ struct amdgpu_reset_context *reset_context)
{
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6711836054f9..4096cb3e937e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5775,7 +5775,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
cancel_delayed_work_sync(&tmp_adev->delayed_init_work);
- amdgpu_amdkfd_pre_reset(tmp_adev);
+ amdgpu_amdkfd_pre_reset(tmp_adev, reset_context);
/*
* Mark these ASICs to be reseted as untracked first
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index fba9b9a258a5..52be4e340fb1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -924,7 +924,8 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
kfree(kfd);
}
-int kgd2kfd_pre_reset(struct kfd_dev *kfd)
+int kgd2kfd_pre_reset(struct kfd_dev *kfd,
+ struct amdgpu_reset_context *reset_context)
{
struct kfd_node *node;
int i;
@@ -934,7 +935,7 @@ int kgd2kfd_pre_reset(struct kfd_dev *kfd)
for (i = 0; i < kfd->num_nodes; i++) {
node = kfd->nodes[i];
- kfd_smi_event_update_gpu_reset(node, false);
+ kfd_smi_event_update_gpu_reset(node, false, reset_context);
node->dqm->ops.pre_reset(node->dqm);
}
@@ -974,7 +975,7 @@ int kgd2kfd_post_reset(struct kfd_dev *kfd)
for (i = 0; i < kfd->num_nodes; i++) {
node = kfd->nodes[i];
atomic_set(&node->sram_ecc_flag, 0);
- kfd_smi_event_update_gpu_reset(node, true);
+ kfd_smi_event_update_gpu_reset(node, true, NULL);
}
return 0;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index 06ac835190f9..ea6a8e43bd5b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
@@ -29,6 +29,7 @@
#include "amdgpu_vm.h"
#include "kfd_priv.h"
#include "kfd_smi_events.h"
+#include "amdgpu_reset.h"
struct kfd_smi_client {
struct list_head list;
@@ -215,9 +216,11 @@ static void kfd_smi_event_add(pid_t pid, struct kfd_node *dev,
add_event_to_kfifo(pid, dev, event, fifo_in, len);
}
-void kfd_smi_event_update_gpu_reset(struct kfd_node *dev, bool post_reset)
+void kfd_smi_event_update_gpu_reset(struct kfd_node *dev, bool post_reset,
+ struct amdgpu_reset_context *reset_context)
{
unsigned int event;
+ char reset_cause[64];
if (post_reset) {
event = KFD_SMI_EVENT_GPU_POST_RESET;
@@ -225,7 +228,16 @@ void kfd_smi_event_update_gpu_reset(struct kfd_node *dev, bool post_reset)
event = KFD_SMI_EVENT_GPU_PRE_RESET;
++(dev->reset_seq_num);
}
- kfd_smi_event_add(0, dev, event, "%x\n", dev->reset_seq_num);
+
+ memset(reset_cause, 0, sizeof(reset_cause));
+
+ if (reset_context)
+ amdgpu_reset_get_desc(reset_context, reset_cause,
+ sizeof(reset_cause));
+
+ kfd_smi_event_add(0, dev, event, "%x %s\n",
+ dev->reset_seq_num,
+ reset_cause);
}
void kfd_smi_event_update_thermal_throttling(struct kfd_node *dev,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
index fa95c2dfd587..85010b8307f8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
@@ -24,11 +24,14 @@
#ifndef KFD_SMI_EVENTS_H_INCLUDED
#define KFD_SMI_EVENTS_H_INCLUDED
+struct amdgpu_reset_context;
+
int kfd_smi_event_open(struct kfd_node *dev, uint32_t *fd);
void kfd_smi_event_update_vmfault(struct kfd_node *dev, uint16_t pasid);
void kfd_smi_event_update_thermal_throttling(struct kfd_node *dev,
uint64_t throttle_bitmask);
-void kfd_smi_event_update_gpu_reset(struct kfd_node *dev, bool post_reset);
+void kfd_smi_event_update_gpu_reset(struct kfd_node *dev, bool post_reset,
+ struct amdgpu_reset_context *reset_context);
void kfd_smi_event_page_fault_start(struct kfd_node *node, pid_t pid,
unsigned long address, bool write_fault,
ktime_t ts);
--
2.34.1
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