drm/amdkfd: Add bad opcode exception handling
Signed-off-by: Alexey Skidanov <alexey.skidanov@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
parent
59d3e8be87
commit
930c5ff439
|
@ -36,7 +36,8 @@ static bool cik_event_interrupt_isr(struct kfd_dev *dev,
|
||||||
/* Do not process in ISR, just request it to be forwarded to WQ. */
|
/* Do not process in ISR, just request it to be forwarded to WQ. */
|
||||||
return (pasid != 0) &&
|
return (pasid != 0) &&
|
||||||
(ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE ||
|
(ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE ||
|
||||||
ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG);
|
ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG ||
|
||||||
|
ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void cik_event_interrupt_wq(struct kfd_dev *dev,
|
static void cik_event_interrupt_wq(struct kfd_dev *dev,
|
||||||
|
@ -55,6 +56,8 @@ static void cik_event_interrupt_wq(struct kfd_dev *dev,
|
||||||
kfd_signal_event_interrupt(pasid, 0, 0);
|
kfd_signal_event_interrupt(pasid, 0, 0);
|
||||||
else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG)
|
else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG)
|
||||||
kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8);
|
kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8);
|
||||||
|
else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE)
|
||||||
|
kfd_signal_hw_exception_event(pasid);
|
||||||
}
|
}
|
||||||
|
|
||||||
const struct kfd_event_interrupt_class event_interrupt_class_cik = {
|
const struct kfd_event_interrupt_class event_interrupt_class_cik = {
|
||||||
|
|
|
@ -34,6 +34,7 @@ struct cik_ih_ring_entry {
|
||||||
|
|
||||||
#define CIK_INTSRC_DEQUEUE_COMPLETE 0xC6
|
#define CIK_INTSRC_DEQUEUE_COMPLETE 0xC6
|
||||||
#define CIK_INTSRC_CP_END_OF_PIPE 0xB5
|
#define CIK_INTSRC_CP_END_OF_PIPE 0xB5
|
||||||
|
#define CIK_INTSRC_CP_BAD_OPCODE 0xB7
|
||||||
#define CIK_INTSRC_SQ_INTERRUPT_MSG 0xEF
|
#define CIK_INTSRC_SQ_INTERRUPT_MSG 0xEF
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -936,3 +936,24 @@ void kfd_signal_iommu_event(struct kfd_dev *dev, unsigned int pasid,
|
||||||
mutex_unlock(&p->event_mutex);
|
mutex_unlock(&p->event_mutex);
|
||||||
mutex_unlock(&p->mutex);
|
mutex_unlock(&p->mutex);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void kfd_signal_hw_exception_event(unsigned int pasid)
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* Because we are called from arbitrary context (workqueue) as opposed
|
||||||
|
* to process context, kfd_process could attempt to exit while we are
|
||||||
|
* running so the lookup function returns a locked process.
|
||||||
|
*/
|
||||||
|
struct kfd_process *p = kfd_lookup_process_by_pasid(pasid);
|
||||||
|
|
||||||
|
if (!p)
|
||||||
|
return; /* Presumably process exited. */
|
||||||
|
|
||||||
|
mutex_lock(&p->event_mutex);
|
||||||
|
|
||||||
|
/* Lookup events by type and signal them */
|
||||||
|
lookup_events_by_type_and_signal(p, KFD_EVENT_TYPE_HW_EXCEPTION, NULL);
|
||||||
|
|
||||||
|
mutex_unlock(&p->event_mutex);
|
||||||
|
mutex_unlock(&p->mutex);
|
||||||
|
}
|
||||||
|
|
|
@ -74,6 +74,7 @@ struct kfd_event {
|
||||||
|
|
||||||
/* Matching HSA_EVENTTYPE */
|
/* Matching HSA_EVENTTYPE */
|
||||||
#define KFD_EVENT_TYPE_SIGNAL 0
|
#define KFD_EVENT_TYPE_SIGNAL 0
|
||||||
|
#define KFD_EVENT_TYPE_HW_EXCEPTION 3
|
||||||
#define KFD_EVENT_TYPE_DEBUG 5
|
#define KFD_EVENT_TYPE_DEBUG 5
|
||||||
#define KFD_EVENT_TYPE_MEMORY 8
|
#define KFD_EVENT_TYPE_MEMORY 8
|
||||||
|
|
||||||
|
|
|
@ -682,6 +682,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev,
|
||||||
|
|
||||||
/* Events */
|
/* Events */
|
||||||
extern const struct kfd_event_interrupt_class event_interrupt_class_cik;
|
extern const struct kfd_event_interrupt_class event_interrupt_class_cik;
|
||||||
|
extern const struct kfd_device_global_init_class device_global_init_class_cik;
|
||||||
|
|
||||||
enum kfd_event_wait_result {
|
enum kfd_event_wait_result {
|
||||||
KFD_WAIT_COMPLETE,
|
KFD_WAIT_COMPLETE,
|
||||||
|
@ -701,6 +702,7 @@ void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id,
|
||||||
void kfd_signal_iommu_event(struct kfd_dev *dev,
|
void kfd_signal_iommu_event(struct kfd_dev *dev,
|
||||||
unsigned int pasid, unsigned long address,
|
unsigned int pasid, unsigned long address,
|
||||||
bool is_write_requested, bool is_execute_requested);
|
bool is_write_requested, bool is_execute_requested);
|
||||||
|
void kfd_signal_hw_exception_event(unsigned int pasid);
|
||||||
int kfd_set_event(struct kfd_process *p, uint32_t event_id);
|
int kfd_set_event(struct kfd_process *p, uint32_t event_id);
|
||||||
int kfd_reset_event(struct kfd_process *p, uint32_t event_id);
|
int kfd_reset_event(struct kfd_process *p, uint32_t event_id);
|
||||||
int kfd_event_create(struct file *devkfd, struct kfd_process *p,
|
int kfd_event_create(struct file *devkfd, struct kfd_process *p,
|
||||||
|
|
Loading…
Reference in a new issue