diff options
| author | Jonathan Kim <jonathan.kim@amd.com> | 2022-04-27 17:24:37 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 19:36:21 +0300 |
| commit | e90bf919f714ae2a658cdfd03238e7be9ce9185c (patch) | |
| tree | 9b5c553943c509507d627da968431293b16fbb0f /drivers/gpu/drm/amd/amdkfd | |
| parent | 12fb1ad70d65edc3405884792d044fa79df7244f (diff) | |
| download | linux-e90bf919f714ae2a658cdfd03238e7be9ce9185c.tar.xz | |
drm/amdkfd: add debug set exceptions enabled operation
The debugger subscibes to nofication for requested exceptions on attach.
Allow the debugger to change its subsciption later on.
Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debug.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_debug.h | 2 |
3 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 615fa9ab36b7..dcf4b5f3886e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -2980,6 +2980,9 @@ static int kfd_ioctl_set_debug_trap(struct file *filep, struct kfd_process *p, v args->send_runtime_event.exception_mask); break; case KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABLED: + kfd_dbg_set_enabled_debug_exception_mask(target, + args->set_exceptions_enabled.exception_mask); + break; case KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE: case KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE: case KFD_IOC_DBG_TRAP_SUSPEND_QUEUES: diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c index 68b657398d41..48a4e3cc2234 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c @@ -521,3 +521,39 @@ int kfd_dbg_trap_enable(struct kfd_process *target, uint32_t fd, return r; } + +void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target, + uint64_t exception_set_mask) +{ + uint64_t found_mask = 0; + struct process_queue_manager *pqm; + struct process_queue_node *pqn; + static const char write_data = '.'; + loff_t pos = 0; + int i; + + mutex_lock(&target->event_mutex); + + found_mask |= target->exception_status; + + pqm = &target->pqm; + list_for_each_entry(pqn, &pqm->queues, process_queue_list) { + if (!pqn) + continue; + + found_mask |= pqn->q->properties.exception_status; + } + + for (i = 0; i < target->n_pdds; i++) { + struct kfd_process_device *pdd = target->pdds[i]; + + found_mask |= pdd->exception_status; + } + + if (exception_set_mask & found_mask) + kernel_write(target->dbg_ev_file, &write_data, 1, &pos); + + target->exception_enable_mask = exception_set_mask; + + mutex_unlock(&target->event_mutex); +} diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.h b/drivers/gpu/drm/amd/amdkfd/kfd_debug.h index 5153ccbd7fd1..6c1054a08872 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.h @@ -56,6 +56,8 @@ static inline bool kfd_dbg_is_per_vmid_supported(struct kfd_node *dev) void debug_event_write_work_handler(struct work_struct *work); +void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target, + uint64_t exception_set_mask); /* * If GFX off is enabled, chips that do not support RLC restore for the debug * registers will disable GFX off temporarily for the entire debug session. |