/*
* Copyright (c) 2009, 2010 Jeff Mahoney <jeffm@suse.com>
+ * Copyright (c) 2011-2016 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2011-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#include "defs.h"
-#include <linux/blkpg.h>
+
+#include DEF_MPERS_TYPE(struct_blk_user_trace_setup)
+#include DEF_MPERS_TYPE(struct_blkpg_ioctl_arg)
+#include DEF_MPERS_TYPE(struct_blkpg_partition)
+
+#include <linux/ioctl.h>
#include <linux/fs.h>
-/* ioctls <= 114 are present in Linux 2.4. The following ones have been
- * added since then and headers containing them may not be available on
- * every system. */
+typedef struct {
+ int op;
+ int flags;
+ int datalen;
+ void *data;
+} struct_blkpg_ioctl_arg;
+
+#define BLKPG_DEVNAMELTH 64
+#define BLKPG_VOLNAMELTH 64
+typedef struct {
+ int64_t start; /* starting offset in bytes */
+ int64_t length; /* length in bytes */
+ int pno; /* partition number */
+ char devname[BLKPG_DEVNAMELTH]; /* partition name, like sda5 or c0d1p2,
+ to be used in kernel messages */
+ char volname[BLKPG_VOLNAMELTH]; /* volume label */
+} struct_blkpg_partition;
#define BLKTRACE_BDEV_SIZE 32
-struct blk_user_trace_setup {
+typedef struct blk_user_trace_setup {
char name[BLKTRACE_BDEV_SIZE]; /* output */
uint16_t act_mask; /* input */
uint32_t buf_size; /* input */
uint64_t start_lba;
uint64_t end_lba;
uint32_t pid;
-};
+} struct_blk_user_trace_setup;
+
+#include MPERS_DEFS
+
+#include "print_fields.h"
+
+#ifndef BLKPG
+# define BLKPG _IO(0x12, 105)
+#endif
+
+/*
+ * ioctl numbers <= 114 are present in Linux 2.4. The following ones have been
+ * added since then and headers containing them may not be available on every
+ * system.
+ */
#ifndef BLKTRACESETUP
-# define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
+# define BLKTRACESETUP _IOWR(0x12, 115, struct_blk_user_trace_setup)
#endif
#ifndef BLKTRACESTART
-# define BLKTRACESTART _IO(0x12,116)
+# define BLKTRACESTART _IO(0x12, 116)
#endif
#ifndef BLKTRACESTOP
-# define BLKTRACESTOP _IO(0x12,117)
+# define BLKTRACESTOP _IO(0x12, 117)
#endif
#ifndef BLKTRACETEARDOWN
-# define BLKTRACETEARDOWN _IO(0x12,118)
+# define BLKTRACETEARDOWN _IO(0x12, 118)
#endif
#ifndef BLKDISCARD
-# define BLKDISCARD _IO(0x12,119)
+# define BLKDISCARD _IO(0x12, 119)
#endif
#ifndef BLKIOMIN
-# define BLKIOMIN _IO(0x12,120)
+# define BLKIOMIN _IO(0x12, 120)
#endif
#ifndef BLKIOOPT
-# define BLKIOOPT _IO(0x12,121)
+# define BLKIOOPT _IO(0x12, 121)
#endif
#ifndef BLKALIGNOFF
-# define BLKALIGNOFF _IO(0x12,122)
+# define BLKALIGNOFF _IO(0x12, 122)
#endif
#ifndef BLKPBSZGET
-# define BLKPBSZGET _IO(0x12,123)
+# define BLKPBSZGET _IO(0x12, 123)
#endif
#ifndef BLKDISCARDZEROES
-# define BLKDISCARDZEROES _IO(0x12,124)
+# define BLKDISCARDZEROES _IO(0x12, 124)
#endif
#ifndef BLKSECDISCARD
-# define BLKSECDISCARD _IO(0x12,125)
+# define BLKSECDISCARD _IO(0x12, 125)
#endif
#ifndef BLKROTATIONAL
-# define BLKROTATIONAL _IO(0x12,126)
+# define BLKROTATIONAL _IO(0x12, 126)
#endif
#ifndef BLKZEROOUT
-# define BLKZEROOUT _IO(0x12,127)
-#endif
-#ifndef BLKDAXGET
-# define BLKDAXGET _IO(0x12,129)
+# define BLKZEROOUT _IO(0x12, 127)
#endif
#include "xlat/blkpg_ops.h"
static void
-print_blkpg_req(struct tcb *tcp, const struct blkpg_ioctl_arg *blkpg)
+print_blkpg_req(struct tcb *tcp, const struct_blkpg_ioctl_arg *blkpg)
{
- struct blkpg_partition p;
-
- tprints("{");
- printxval(blkpg_ops, blkpg->op, "BLKPG_???");
-
- tprintf(", flags=%d, datalen=%d, data=",
- blkpg->flags, blkpg->datalen);
-
- if (!umove_or_printaddr(tcp, (long) blkpg->data, &p)) {
- tprintf("{start=%lld, length=%lld, pno=%d, devname=",
- p.start, p.length, p.pno);
- print_quoted_string(p.devname, sizeof(p.devname),
- QUOTE_0_TERMINATED);
- tprints(", volname=");
- print_quoted_string(p.volname, sizeof(p.volname),
- QUOTE_0_TERMINATED);
+ struct_blkpg_partition p;
+
+ PRINT_FIELD_XVAL("{", *blkpg, op, blkpg_ops, "BLKPG_???");
+ PRINT_FIELD_D(", ", *blkpg, flags);
+ PRINT_FIELD_D(", ", *blkpg, datalen);
+
+ tprints(", data=");
+ if (!umove_or_printaddr(tcp, ptr_to_kulong(blkpg->data), &p)) {
+ PRINT_FIELD_D("{", p, start);
+ PRINT_FIELD_D(", ", p, length);
+ PRINT_FIELD_D(", ", p, pno);
+ PRINT_FIELD_CSTRING(", ", p, devname);
+ PRINT_FIELD_CSTRING(", ", p, volname);
tprints("}");
}
tprints("}");
}
-int
-block_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
+MPERS_PRINTER_DECL(int, block_ioctl, struct tcb *const tcp,
+ const unsigned int code, const kernel_ulong_t arg)
{
switch (code) {
/* take arg as a value, not as a pointer */
case BLKRASET:
case BLKFRASET:
- tprintf(", %lu", arg);
- break;
-
- /* take a signed int */
- case BLKROSET:
- case BLKBSZSET:
- tprints(", ");
- printnum_int(tcp, arg, "%d");
+ tprintf(", %" PRI_klu, arg);
break;
/* return an unsigned short */
case BLKBSZGET:
case BLKSSZGET:
case BLKALIGNOFF:
- case BLKDAXGET:
if (entering(tcp))
return 0;
+ ATTRIBUTE_FALLTHROUGH;
+ /* take a signed int */
+ case BLKROSET:
+ case BLKBSZSET:
tprints(", ");
printnum_int(tcp, arg, "%d");
break;
case BLKSECDISCARD:
case BLKZEROOUT:
tprints(", ");
- printpair_int64(tcp, arg, "%" PRIx64);
+ printpair_int64(tcp, arg, "%" PRIu64);
break;
/* More complex types */
case BLKPG: {
- struct blkpg_ioctl_arg blkpg;
+ struct_blkpg_ioctl_arg blkpg;
tprints(", ");
if (!umove_or_printaddr(tcp, arg, &blkpg))
case BLKTRACESETUP:
if (entering(tcp)) {
- struct blk_user_trace_setup buts;
+ struct_blk_user_trace_setup buts;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &buts))
break;
- tprintf("{act_mask=%u, buf_size=%u, "
- "buf_nr=%u, start_lba=%" PRIu64 ", "
- "end_lba=%" PRIu64 ", pid=%u",
- (unsigned)buts.act_mask, buts.buf_size,
- buts.buf_nr, buts.start_lba,
- buts.end_lba, buts.pid);
- return 1;
+ PRINT_FIELD_U("{", buts, act_mask);
+ PRINT_FIELD_U(", ", buts, buf_size);
+ PRINT_FIELD_U(", ", buts, buf_nr);
+ PRINT_FIELD_U(", ", buts, start_lba);
+ PRINT_FIELD_U(", ", buts, end_lba);
+ PRINT_FIELD_U(", ", buts, pid);
+ return 0;
} else {
- struct blk_user_trace_setup buts;
+ struct_blk_user_trace_setup buts;
- if (syserror(tcp)) {
- tprints("}");
- break;
- }
- tprints(", ");
- if (umove(tcp, arg, &buts) < 0) {
- tprints("???}");
- break;
- }
- tprints(", name=");
- print_quoted_string(buts.name, sizeof(buts.name),
- QUOTE_0_TERMINATED);
+ if (!syserror(tcp) && !umove(tcp, arg, &buts))
+ PRINT_FIELD_CSTRING(", ", buts, name);
tprints("}");
break;
}
return RVAL_DECODED;
}
- return RVAL_DECODED | 1;
+ return RVAL_IOCTL_DECODED;
}
projects / strace / blobdiff