[PATCH] drm/amdkfd: add reset cause in gpu pre-reset smi event
Eric Huang
jinhuieric.huang at amd.com
Fri May 31 15:08:18 UTC 2024
reset cause is requested by customer as additional
info for gpu reset smi event.
Signed-off-by: Eric Huang <jinhuieric.huang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 34 +++++----
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 17 +++--
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 7 +-
.../drm/amd/amdkfd/kfd_device_queue_manager.c | 71 +++++++++++++++++++
drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c | 13 +++-
drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h | 5 +-
9 files changed, 133 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index e3738d417245..3588c912214a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -125,17 +125,26 @@ static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
static void amdgpu_amdkfd_reset_work(struct work_struct *work)
{
struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
- kfd.reset_work);
-
- struct amdgpu_reset_context reset_context;
+ kfd.reset_work.work);
+
+ if (adev->kfd.reset_work.reset_context) {
+ amdgpu_device_gpu_recover(
+ adev, NULL,
+ (struct amdgpu_reset_context *)
+ adev->kfd.reset_work.reset_context);
+ kfree(adev->kfd.reset_work.reset_context);
+ adev->kfd.reset_work.reset_context = NULL;
+ } else {
+ struct amdgpu_reset_context reset_context;
- memset(&reset_context, 0, sizeof(reset_context));
+ memset(&reset_context, 0, sizeof(reset_context));
- reset_context.method = AMD_RESET_METHOD_NONE;
- reset_context.reset_req_dev = adev;
- clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
+ reset_context.method = AMD_RESET_METHOD_NONE;
+ reset_context.reset_req_dev = adev;
+ clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
- amdgpu_device_gpu_recover(adev, NULL, &reset_context);
+ amdgpu_device_gpu_recover(adev, NULL, &reset_context);
+ }
}
static const struct drm_client_funcs kfd_client_funcs = {
@@ -225,7 +234,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size;
- INIT_WORK(&adev->kfd.reset_work, amdgpu_amdkfd_reset_work);
+ INIT_WORK(&adev->kfd.reset_work.work, amdgpu_amdkfd_reset_work);
}
}
@@ -261,12 +270,13 @@ int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm)
return r;
}
-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 r = 0;
if (adev->kfd.dev)
- r = kgd2kfd_pre_reset(adev->kfd.dev);
+ r = kgd2kfd_pre_reset(adev->kfd.dev, reset_context);
return r;
}
@@ -285,7 +295,7 @@ void amdgpu_amdkfd_gpu_reset(struct amdgpu_device *adev)
{
if (amdgpu_device_should_recover_gpu(adev))
amdgpu_reset_domain_schedule(adev->reset_domain,
- &adev->kfd.reset_work);
+ &adev->kfd.reset_work.work);
}
int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 1de021ebdd46..1fc9ed33a1c2 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 */
@@ -98,12 +99,17 @@ struct amdgpu_amdkfd_fence {
struct svm_range_bo *svm_bo;
};
+struct kfd_reset_work {
+ struct work_struct work;
+ void *reset_context;
+};
+
struct amdgpu_kfd_dev {
struct kfd_dev *dev;
int64_t vram_used[MAX_XCP];
uint64_t vram_used_aligned[MAX_XCP];
bool init_complete;
- struct work_struct reset_work;
+ struct kfd_reset_work reset_work;
/* HMM page migration MEMORY_DEVICE_PRIVATE mapping */
struct dev_pagemap pgmap;
@@ -170,7 +176,8 @@ 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 +423,8 @@ 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 +467,8 @@ 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..a9fb9b181584 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5642,8 +5642,11 @@ static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev)
cancel_work(&adev->reset_work);
#endif
- if (adev->kfd.dev)
- cancel_work(&adev->kfd.reset_work);
+ if (adev->kfd.dev) {
+ kfree(adev->kfd.reset_work.reset_context);
+ adev->kfd.reset_work.reset_context = NULL;
+ cancel_work(&adev->kfd.reset_work.work);
+ }
if (amdgpu_sriov_vf(adev))
cancel_work(&adev->virt.flr_work);
@@ -5775,7 +5778,7 @@ 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/amdgpu/amdgpu_reset.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
index 5a9cc043b858..7ef500992f30 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
@@ -43,6 +43,7 @@ struct amdgpu_reset_context {
struct amdgpu_hive_info *hive;
struct list_head *reset_device_list;
unsigned long flags;
+ char reset_cause[32];
};
struct amdgpu_reset_handler {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index a72683f83390..cf0908996765 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -602,7 +602,7 @@ static void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
amdgpu_sriov_runtime(adev)) {
amdgpu_ras_set_fed(adev, true);
if (amdgpu_reset_domain_schedule(adev->reset_domain,
- &adev->kfd.reset_work))
+ &adev->kfd.reset_work.work))
return;
else
dev_err(adev->dev, "Failed to queue work! at %s", __func__);
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_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 485e26abc619..b6473110514f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -37,6 +37,7 @@
#include "amdgpu_amdkfd.h"
#include "mes_v11_api_def.h"
#include "kfd_debug.h"
+#include "amdgpu_reset.h"
/* Size of the per-pipe EOP queue */
#define CIK_HPD_EOP_BYTES_LOG2 11
@@ -246,6 +247,23 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
r = adev->mes.funcs->add_hw_queue(&adev->mes, &queue_input);
amdgpu_mes_unlock(&adev->mes);
if (r) {
+ struct amdgpu_reset_context *reset_context =
+ kzalloc(sizeof(struct amdgpu_reset_context),
+ GFP_KERNEL);
+
+ if (!reset_context) {
+ pr_err("No memory to allocate reset context!\n");
+ } else {
+ reset_context->method = AMD_RESET_METHOD_NONE;
+ reset_context->reset_req_dev = dqm->dev->adev;
+ clear_bit(AMDGPU_NEED_FULL_RESET,
+ &reset_context->flags);
+ strscpy(reset_context->reset_cause, "MES_hang",
+ sizeof(reset_context->reset_cause));
+ dqm->dev->adev->kfd.reset_work.reset_context =
+ (void *)reset_context;
+ }
+
dev_err(adev->dev, "failed to add hardware queue to MES, doorbell=0x%x\n",
q->properties.doorbell_off);
dev_err(adev->dev, "MES might be in unrecoverable state, issue a GPU reset\n");
@@ -274,6 +292,23 @@ static int remove_queue_mes(struct device_queue_manager *dqm, struct queue *q,
amdgpu_mes_unlock(&adev->mes);
if (r) {
+ struct amdgpu_reset_context *reset_context =
+ kzalloc(sizeof(struct amdgpu_reset_context),
+ GFP_KERNEL);
+
+ if (!reset_context) {
+ pr_err("No memory to allocate reset context!\n");
+ } else {
+ reset_context->method = AMD_RESET_METHOD_NONE;
+ reset_context->reset_req_dev = dqm->dev->adev;
+ clear_bit(AMDGPU_NEED_FULL_RESET,
+ &reset_context->flags);
+ strscpy(reset_context->reset_cause, "MES_hang",
+ sizeof(reset_context->reset_cause));
+ dqm->dev->adev->kfd.reset_work.reset_context =
+ (void *)reset_context;
+ }
+
dev_err(adev->dev, "failed to remove hardware queue from MES, doorbell=0x%x\n",
q->properties.doorbell_off);
dev_err(adev->dev, "MES might be in unrecoverable state, issue a GPU reset\n");
@@ -1983,6 +2018,23 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
retval = amdkfd_fence_wait_timeout(dqm, KFD_FENCE_COMPLETED,
queue_preemption_timeout_ms);
if (retval) {
+ struct amdgpu_reset_context *reset_context =
+ kzalloc(sizeof(struct amdgpu_reset_context),
+ GFP_KERNEL);
+
+ if (!reset_context) {
+ pr_err("No memory to allocate reset context!\n");
+ } else {
+ reset_context->method = AMD_RESET_METHOD_NONE;
+ reset_context->reset_req_dev = dqm->dev->adev;
+ clear_bit(AMDGPU_NEED_FULL_RESET,
+ &reset_context->flags);
+ strscpy(reset_context->reset_cause, "HWS_hang",
+ sizeof(reset_context->reset_cause));
+ dqm->dev->adev->kfd.reset_work.reset_context =
+ (void *)reset_context;
+ }
+
dev_err(dev, "The cp might be in an unrecoverable state due to an unsuccessful queues preemption\n");
kfd_hws_hang(dqm);
return retval;
@@ -1998,8 +2050,27 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
*/
mqd_mgr = dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ];
if (mqd_mgr->check_preemption_failed(mqd_mgr, dqm->packet_mgr.priv_queue->queue->mqd)) {
+ struct amdgpu_reset_context *reset_context;
+
while (halt_if_hws_hang)
schedule();
+
+ reset_context = kzalloc(sizeof(struct amdgpu_reset_context),
+ GFP_KERNEL);
+
+ if (!reset_context) {
+ pr_err("No memory to allocate reset context!\n");
+ } else {
+ reset_context->method = AMD_RESET_METHOD_NONE;
+ reset_context->reset_req_dev = dqm->dev->adev;
+ clear_bit(AMDGPU_NEED_FULL_RESET,
+ &reset_context->flags);
+ strscpy(reset_context->reset_cause, "HWS_hang",
+ sizeof(reset_context->reset_cause));
+ dqm->dev->adev->kfd.reset_work.reset_context =
+ (void *)reset_context;
+ }
+
kfd_hws_hang(dqm);
return -ETIME;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index 06ac835190f9..569a17be8387 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;
@@ -215,7 +216,8 @@ 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;
@@ -225,7 +227,14 @@ 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);
+
+ if (reset_context)
+ kfd_smi_event_add(0, dev, event, "%x %s\n",
+ dev->reset_seq_num,
+ reset_context->reset_cause);
+ else
+ kfd_smi_event_add(0, dev, event, "%x\n",
+ dev->reset_seq_num);
}
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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