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e2b155e992
Simple va_args equivalent to the existing drm_printf() for use with the drm_printer. v2: Fixup kerneldoc to match final parameter names. v3: Turn it into a kerneldoc comment Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Rob Clark <robdclark@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@redhat.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171123084051.30203-1-chris@chris-wilson.co.uk
111 lines
3 KiB
C
111 lines
3 KiB
C
/*
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* Copyright (C) 2016 Red Hat
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rob Clark <robdclark@gmail.com>
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*/
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#define DEBUG /* for pr_debug() */
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#include <stdarg.h>
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#include <linux/seq_file.h>
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#include <drm/drmP.h>
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#include <drm/drm_print.h>
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void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf)
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{
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seq_printf(p->arg, "%pV", vaf);
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}
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EXPORT_SYMBOL(__drm_printfn_seq_file);
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void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
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{
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dev_info(p->arg, "[" DRM_NAME "] %pV", vaf);
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}
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EXPORT_SYMBOL(__drm_printfn_info);
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void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf)
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{
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pr_debug("%s %pV", p->prefix, vaf);
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}
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EXPORT_SYMBOL(__drm_printfn_debug);
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/**
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* drm_printf - print to a &drm_printer stream
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* @p: the &drm_printer
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* @f: format string
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*/
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void drm_printf(struct drm_printer *p, const char *f, ...)
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{
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va_list args;
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va_start(args, f);
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drm_vprintf(p, f, &args);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_printf);
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#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
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void drm_dev_printk(const struct device *dev, const char *level,
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unsigned int category, const char *function_name,
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const char *prefix, const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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if (dev)
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dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
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&vaf);
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else
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printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_dev_printk);
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void drm_printk(const char *level, unsigned int category,
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const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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printk("%s" "[" DRM_NAME ":%ps]%s %pV",
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level, __builtin_return_address(0),
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strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_printk);
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