2 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 IOPRIO_WHO_PROCESS = 1,
36 #include "xlat/ioprio_who.h"
45 #include "xlat/ioprio_class.h"
47 #define IOPRIO_CLASS_SHIFT (13)
48 #define IOPRIO_PRIO_MASK ((1ul << IOPRIO_CLASS_SHIFT) - 1)
50 #define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT)
51 #define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK)
54 sprint_ioprio(unsigned int ioprio)
56 static char outstr[256];
58 unsigned int class, data;
60 class = IOPRIO_PRIO_CLASS(ioprio);
61 data = IOPRIO_PRIO_DATA(ioprio);
62 str = xlookup(ioprio_class, class);
64 sprintf(outstr, "IOPRIO_PRIO_VALUE(%s, %d)", str, data);
66 sprintf(outstr, "IOPRIO_PRIO_VALUE(%#x /* %s */, %d)",
67 class, "IOPRIO_CLASS_???", data);
76 printxval(ioprio_who, tcp->u_arg[0], "IOPRIO_WHO_???");
78 tprintf(", %d", (int) tcp->u_arg[1]);
84 tcp->auxstr = sprint_ioprio(tcp->u_rval);
92 printxval(ioprio_who, tcp->u_arg[0], "IOPRIO_WHO_???");
94 tprintf(", %d, ", (int) tcp->u_arg[1]);
96 tprints(sprint_ioprio(tcp->u_arg[2]));