diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debug.c | 58 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debug.h | 1 |
3 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 016724c82928..5ee38614ed9b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -3035,6 +3035,8 @@ static int kfd_ioctl_set_debug_trap(struct file *filep, struct kfd_process *p, v args->clear_node_address_watch.id); break; case KFD_IOC_DBG_TRAP_SET_FLAGS: + r = kfd_dbg_trap_set_flags(target, &args->set_flags.flags); + break; case KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT: case KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO: case KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT: diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c index 4b36cc8b5fb7..43c3170998d3 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c @@ -23,6 +23,7 @@ #include "kfd_debug.h" #include "kfd_device_queue_manager.h" #include <linux/file.h> +#include <uapi/linux/kfd_ioctl.h> #define MAX_WATCH_ADDRESSES 4 @@ -423,6 +424,59 @@ static void kfd_dbg_clear_process_address_watch(struct kfd_process *target) kfd_dbg_trap_clear_dev_address_watch(target->pdds[i], j); } +int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags) +{ + uint32_t prev_flags = target->dbg_flags; + int i, r = 0, rewind_count = 0; + + for (i = 0; i < target->n_pdds; i++) { + if (!kfd_dbg_is_per_vmid_supported(target->pdds[i]->dev) && + (*flags & KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP)) { + *flags = prev_flags; + return -EACCES; + } + } + + target->dbg_flags = *flags & KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP; + *flags = prev_flags; + for (i = 0; i < target->n_pdds; i++) { + struct kfd_process_device *pdd = target->pdds[i]; + + if (!kfd_dbg_is_per_vmid_supported(pdd->dev)) + continue; + + if (!pdd->dev->kfd->shared_resources.enable_mes) + r = debug_refresh_runlist(pdd->dev->dqm); + else + r = kfd_dbg_set_mes_debug_mode(pdd); + + if (r) { + target->dbg_flags = prev_flags; + break; + } + + rewind_count++; + } + + /* Rewind flags */ + if (r) { + target->dbg_flags = prev_flags; + + for (i = 0; i < rewind_count; i++) { + struct kfd_process_device *pdd = target->pdds[i]; + + if (!kfd_dbg_is_per_vmid_supported(pdd->dev)) + continue; + + if (!pdd->dev->kfd->shared_resources.enable_mes) + debug_refresh_runlist(pdd->dev->dqm); + else + kfd_dbg_set_mes_debug_mode(pdd); + } + } + + return r; +} /* kfd_dbg_trap_deactivate: * target: target process @@ -437,9 +491,13 @@ void kfd_dbg_trap_deactivate(struct kfd_process *target, bool unwind, int unwind int i; if (!unwind) { + uint32_t flags = 0; + cancel_work_sync(&target->debug_event_workarea); kfd_dbg_clear_process_address_watch(target); kfd_dbg_trap_set_wave_launch_mode(target, 0); + + kfd_dbg_trap_set_flags(target, &flags); } for (i = 0; i < target->n_pdds; i++) { diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.h b/drivers/gpu/drm/amd/amdkfd/kfd_debug.h index 7f0757c2af2c..ef8e9f7f1716 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.h @@ -57,6 +57,7 @@ int kfd_dbg_trap_set_dev_address_watch(struct kfd_process_device *pdd, uint32_t watch_address_mask, uint32_t *watch_id, uint32_t watch_mode); +int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags); int kfd_dbg_send_exception_to_runtime(struct kfd_process *p, unsigned int dev_id, unsigned int queue_id, |