diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c index f106a04363ea..8a3c3a49415d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c @@ -572,15 +572,45 @@ static int add_aca_handle(struct amdgpu_device *adev, struct aca_handle_manager return 0; } +static ssize_t aca_sysfs_read(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aca_handle *handle = container_of(attr, struct aca_handle, aca_attr); + + /* NOTE: the aca cache will be auto cleared once read, + * So the driver should unify the query entry point, forward request to ras query interface directly */ + return amdgpu_ras_aca_sysfs_read(dev, attr, handle, buf, handle->data); +} + +static int add_aca_sysfs(struct amdgpu_device *adev, struct aca_handle *handle) +{ + struct device_attribute *aca_attr = &handle->aca_attr; + + snprintf(handle->attr_name, sizeof(handle->attr_name) - 1, "aca_%s", handle->name); + aca_attr->show = aca_sysfs_read; + aca_attr->attr.name = handle->attr_name; + aca_attr->attr.mode = S_IRUGO; + sysfs_attr_init(&aca_attr->attr); + + return sysfs_add_file_to_group(&adev->dev->kobj, + &aca_attr->attr, + "ras"); +} + int amdgpu_aca_add_handle(struct amdgpu_device *adev, struct aca_handle *handle, const char *name, const struct aca_info *ras_info, void *data) { struct amdgpu_aca *aca = &adev->aca; + int ret; if (!amdgpu_aca_is_enabled(adev)) return 0; - return add_aca_handle(adev, &aca->mgr, handle, name, ras_info, data); + ret = add_aca_handle(adev, &aca->mgr, handle, name, ras_info, data); + if (ret) + return ret; + + return add_aca_sysfs(adev, handle); } static void remove_aca(struct aca_handle *handle) |