diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/printk.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/printk.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/printk.c b/drivers/gpu/drm/nouveau/nvkm/core/printk.c new file mode 100644 index 000000000..4a220eb91 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/core/printk.c @@ -0,0 +1,103 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include <core/printk.h> +#include <core/client.h> +#include <core/device.h> + +int nv_info_debug_level = NV_DBG_INFO_NORMAL; + +void +nv_printk_(struct nvkm_object *object, int level, const char *fmt, ...) +{ + static const char name[] = { '!', 'E', 'W', ' ', 'D', 'T', 'P', 'S' }; + const char *pfx; + char mfmt[256]; + va_list args; + + switch (level) { + case NV_DBG_FATAL: + pfx = KERN_CRIT; + break; + case NV_DBG_ERROR: + pfx = KERN_ERR; + break; + case NV_DBG_WARN: + pfx = KERN_WARNING; + break; + case NV_DBG_INFO_NORMAL: + pfx = KERN_INFO; + break; + case NV_DBG_DEBUG: + case NV_DBG_PARANOIA: + case NV_DBG_TRACE: + case NV_DBG_SPAM: + default: + pfx = KERN_DEBUG; + break; + } + + if (object && !nv_iclass(object, NV_CLIENT_CLASS)) { + struct nvkm_object *device; + struct nvkm_object *subdev; + char obuf[64], *ofmt = ""; + + if (object->engine == NULL) { + subdev = object; + while (subdev && !nv_iclass(subdev, NV_SUBDEV_CLASS)) + subdev = subdev->parent; + } else { + subdev = &object->engine->subdev.object; + } + + device = subdev; + if (device->parent) + device = device->parent; + + if (object != subdev) { + snprintf(obuf, sizeof(obuf), "[0x%08x]", + nv_hclass(object)); + ofmt = obuf; + } + + if (level > nv_subdev(subdev)->debug) + return; + + snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s][%s]%s %s", pfx, + name[level], nv_subdev(subdev)->name, + nv_device(device)->name, ofmt, fmt); + } else + if (object && nv_iclass(object, NV_CLIENT_CLASS)) { + if (level > nv_client(object)->debug) + return; + + snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s] %s", pfx, + name[level], nv_client(object)->name, fmt); + } else { + snprintf(mfmt, sizeof(mfmt), "%snouveau: %s", pfx, fmt); + } + + va_start(args, fmt); + vprintk(mfmt, args); + va_end(args); +} |