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authorDevin Teske <dteske@FreeBSD.org>2018-02-24 17:13:15 +0000
committerDevin Teske <dteske@FreeBSD.org>2018-02-24 17:13:15 +0000
commit03a3981b89949c0c6b6806b2aae4a9d84c1a1d74 (patch)
tree5de6d1b29c5a5c2b791d890963d0a4a7d84289af /cddl/lib
parenta241c14f9a4435e4dcc13799a99360676c57b520 (diff)
downloadsrc-03a3981b89949c0c6b6806b2aae4a9d84c1a1d74.tar.gz
src-03a3981b89949c0c6b6806b2aae4a9d84c1a1d74.zip
Updates and enhancements to io.d to aid DTrace scripting
+ Add dev_type do devinfo_t + Add b_cmd to bufinfo_t + Add constants for BIO_* and DEVSTAT_TYPE_* + Add inline for converting BIO_* int to string + Add inline for converting DEVSTAT_TYPE_* int to string + Add mask for dev_type & DEVSTAT_TYPE_MASK to string + Add mask for dev_type & DEVSTAT_TYPE_IF_MASK to string Reviewed by: markj Sponsored by: Smule, Inc. Differential Revision: https://reviews.freebsd.org/D14396
Notes
Notes: svn path=/head/; revision=329914
Diffstat (limited to 'cddl/lib')
-rw-r--r--cddl/lib/libdtrace/io.d154
1 files changed, 154 insertions, 0 deletions
diff --git a/cddl/lib/libdtrace/io.d b/cddl/lib/libdtrace/io.d
index 5601942ce130..d643ad732a94 100644
--- a/cddl/lib/libdtrace/io.d
+++ b/cddl/lib/libdtrace/io.d
@@ -18,6 +18,8 @@
*
* CDDL HEADER END
*
+ * Portions Copyright 2018 Devin Teske dteske@freebsd.org
+ *
* $FreeBSD$
*/
/*
@@ -32,6 +34,7 @@ typedef struct devinfo {
int dev_major; /* major number */
int dev_minor; /* minor number */
int dev_instance; /* instance number */
+ int dev_type; /* type of device */
string dev_name; /* name of device */
string dev_statname; /* name of device + instance/minor */
string dev_pathname; /* pathname of device */
@@ -42,12 +45,14 @@ translator devinfo_t < struct devstat *D > {
dev_major = D->device_number;
dev_minor = D->unit_number;
dev_instance = 0;
+ dev_type = D->device_type;
dev_name = stringof(D->device_name);
dev_statname = stringof(D->device_name);
dev_pathname = stringof(D->device_name);
};
typedef struct bufinfo {
+ int b_cmd; /* I/O operation */
int b_flags; /* flags */
long b_bcount; /* number of bytes */
caddr_t b_addr; /* buffer address */
@@ -62,6 +67,7 @@ typedef struct bufinfo {
#pragma D binding "1.0" translator
translator bufinfo_t < struct bio *B > {
+ b_cmd = B->bio_cmd;
b_flags = B->bio_flags;
b_bcount = B->bio_bcount;
b_addr = B->bio_data;
@@ -105,3 +111,151 @@ inline int O_SYNC = 0x0080;
#pragma D binding "1.1" O_SYNC
inline int O_TRUNC = 0x0400;
#pragma D binding "1.1" O_TRUNC
+
+/*
+ * The following inline constants can be used to examine bio_cmd of struct bio
+ * or a translated bufinfo_t.
+ */
+inline int BIO_READ = 0x01;
+#pragma D binding "1.13" BIO_READ
+inline int BIO_WRITE = 0x02;
+#pragma D binding "1.13" BIO_WRITE
+inline int BIO_DELETE = 0x03;
+#pragma D binding "1.13" BIO_DELETE
+inline int BIO_GETATTR = 0x04;
+#pragma D binding "1.13" BIO_GETATTR
+inline int BIO_FLUSH = 0x05;
+#pragma D binding "1.13" BIO_FLUSH
+inline int BIO_CMD0 = 0x06;
+#pragma D binding "1.13" BIO_CMD0
+inline int BIO_CMD1 = 0x07;
+#pragma D binding "1.13" BIO_CMD1
+inline int BIO_CMD2 = 0x08;
+#pragma D binding "1.13" BIO_CMD2
+inline int BIO_ZONE = 0x09;
+#pragma D binding "1.13" BIO_ZONE
+
+/*
+ * The following inline constants can be used to examine bio_flags of struct
+ * bio or a translated bufinfo_t.
+ */
+inline int BIO_ERROR = 0x01;
+#pragma D binding "1.13" BIO_ERROR
+inline int BIO_DONE = 0x02;
+#pragma D binding "1.13" BIO_DONE
+inline int BIO_ONQUEUE = 0x04;
+#pragma D binding "1.13" BIO_ONQUEUE
+inline int BIO_ORDERED = 0x08;
+#pragma D binding "1.13" BIO_ORDERED
+inline int BIO_UNMAPPED = 0x10;
+#pragma D binding "1.13" BIO_UNMAPPED
+inline int BIO_TRANSIENT_MAPPING = 0x20;
+#pragma D binding "1.13" BIO_TRANSIENT_MAPPING
+inline int BIO_VLIST = 0x40;
+#pragma D binding "1.13" BIO_VLIST
+
+/*
+ * The following inline constants can be used to examine device_type of struct
+ * devstat or a translated devinfo_t.
+ */
+inline int DEVSTAT_TYPE_DIRECT = 0x000;
+#pragma D binding "1.13" DEVSTAT_TYPE_DIRECT
+inline int DEVSTAT_TYPE_SEQUENTIAL = 0x001;
+#pragma D binding "1.13" DEVSTAT_TYPE_SEQUENTIAL
+inline int DEVSTAT_TYPE_PRINTER = 0x002;
+#pragma D binding "1.13" DEVSTAT_TYPE_PRINTER
+inline int DEVSTAT_TYPE_PROCESSOR = 0x003;
+#pragma D binding "1.13" DEVSTAT_TYPE_PROCESSOR
+inline int DEVSTAT_TYPE_WORM = 0x004;
+#pragma D binding "1.13" DEVSTAT_TYPE_WORM
+inline int DEVSTAT_TYPE_CDROM = 0x005;
+#pragma D binding "1.13" DEVSTAT_TYPE_CDROM
+inline int DEVSTAT_TYPE_SCANNER = 0x006;
+#pragma D binding "1.13" DEVSTAT_TYPE_SCANNER
+inline int DEVSTAT_TYPE_OPTICAL = 0x007;
+#pragma D binding "1.13" DEVSTAT_TYPE_OPTICAL
+inline int DEVSTAT_TYPE_CHANGER = 0x008;
+#pragma D binding "1.13" DEVSTAT_TYPE_CHANGER
+inline int DEVSTAT_TYPE_COMM = 0x009;
+#pragma D binding "1.13" DEVSTAT_TYPE_COMM
+inline int DEVSTAT_TYPE_ASC0 = 0x00a;
+#pragma D binding "1.13" DEVSTAT_TYPE_ASC0
+inline int DEVSTAT_TYPE_ASC1 = 0x00b;
+#pragma D binding "1.13" DEVSTAT_TYPE_ASC1
+inline int DEVSTAT_TYPE_STORARRAY = 0x00c;
+#pragma D binding "1.13" DEVSTAT_TYPE_STORARRAY
+inline int DEVSTAT_TYPE_ENCLOSURE = 0x00d;
+#pragma D binding "1.13" DEVSTAT_TYPE_ENCLOSURE
+inline int DEVSTAT_TYPE_FLOPPY = 0x00e;
+#pragma D binding "1.13" DEVSTAT_TYPE_FLOPPY
+inline int DEVSTAT_TYPE_MASK = 0x00f;
+#pragma D binding "1.13" DEVSTAT_TYPE_MASK
+inline int DEVSTAT_TYPE_IF_SCSI = 0x010;
+#pragma D binding "1.13" DEVSTAT_TYPE_IF_SCSI
+inline int DEVSTAT_TYPE_IF_IDE = 0x020;
+#pragma D binding "1.13" DEVSTAT_TYPE_IF_IDE
+inline int DEVSTAT_TYPE_IF_OTHER = 0x030;
+#pragma D binding "1.13" DEVSTAT_TYPE_IF_OTHER
+inline int DEVSTAT_TYPE_IF_MASK = 0x0f0;
+#pragma D binding "1.13" DEVSTAT_TYPE_IF_MASK
+inline int DEVSTAT_TYPE_PASS = 0x100;
+#pragma D binding "1.13" DEVSTAT_TYPE_PASS
+
+#pragma D binding "1.13" device_type_string
+inline string device_type_string[int type] =
+ type == DEVSTAT_TYPE_DIRECT ? "DIRECT" :
+ type == DEVSTAT_TYPE_SEQUENTIAL ? "SEQUENTIAL" :
+ type == DEVSTAT_TYPE_PRINTER ? "PRINTER" :
+ type == DEVSTAT_TYPE_PROCESSOR ? "PROCESSOR" :
+ type == DEVSTAT_TYPE_WORM ? "WORM" :
+ type == DEVSTAT_TYPE_CDROM ? "CDROM" :
+ type == DEVSTAT_TYPE_SCANNER ? "SCANNER" :
+ type == DEVSTAT_TYPE_OPTICAL ? "OPTICAL" :
+ type == DEVSTAT_TYPE_CHANGER ? "CHANGER" :
+ type == DEVSTAT_TYPE_COMM ? "COMM" :
+ type == DEVSTAT_TYPE_ASC0 ? "ASC0" :
+ type == DEVSTAT_TYPE_ASC1 ? "ASC1" :
+ type == DEVSTAT_TYPE_STORARRAY ? "STORARRAY" :
+ type == DEVSTAT_TYPE_ENCLOSURE ? "ENCLOSURE" :
+ type == DEVSTAT_TYPE_FLOPPY ? "FLOPPY" :
+ strjoin("UNKNOWN(", strjoin(lltostr(type), ")"));
+
+#pragma D binding "1.13" device_type
+inline string device_type[int type] =
+ device_type_string[type & DEVSTAT_TYPE_MASK];
+
+#pragma D binding "1.13" device_if_string
+inline string device_if_string[int type] =
+ type == 0 ? "ACCESS" :
+ type == DEVSTAT_TYPE_IF_SCSI ? "SCSI" :
+ type == DEVSTAT_TYPE_IF_IDE ? "IDE" :
+ type == DEVSTAT_TYPE_IF_OTHER ? "OTHER" :
+ strjoin("UNKNOWN(", strjoin(lltostr(type), ")"));
+
+#pragma D binding "1.13" device_if
+inline string device_if[int type] =
+ device_if_string[type & DEVSTAT_TYPE_IF_MASK];
+
+#pragma D binding "1.13" bio_cmd_string
+inline string bio_cmd_string[int cmd] =
+ cmd == BIO_READ ? "READ" :
+ cmd == BIO_WRITE ? "WRITE" :
+ cmd == BIO_DELETE ? "DELETE" :
+ cmd == BIO_GETATTR ? "GETATTR" :
+ cmd == BIO_FLUSH ? "FLUSH" :
+ cmd == BIO_CMD0 ? "CMD0" :
+ cmd == BIO_CMD1 ? "CMD1" :
+ cmd == BIO_CMD2 ? "CMD2" :
+ cmd == BIO_ZONE ? "ZONE" :
+ strjoin("UNKNOWN(", strjoin(lltostr(cmd), ")"));
+
+#pragma D binding "1.13" bio_flag_string
+inline string bio_flag_string[int flag] =
+ flag == BIO_ERROR ? "ERROR" :
+ flag == BIO_DONE ? "DONE" :
+ flag == BIO_ONQUEUE ? "ONQUEUE" :
+ flag == BIO_ORDERED ? "ORDERED" :
+ flag == BIO_UNMAPPED ? "UNMAPPED" :
+ flag == BIO_TRANSIENT_MAPPING ? "TRANSIENT_MAPPING" :
+ flag == BIO_VLIST ? "VLIST" :
+ "";