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[Scst-svn] SF.net SVN: scst: [55] trunk/scst/src
|
From: <vl...@us...> - 2006-12-14 15:52:22
|
Revision: 55
http://svn.sourceforge.net/scst/?rev=55&view=rev
Author: vlnb
Date: 2006-12-14 07:52:16 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Reorganized getting CDB info (scst_get_cdb_info()) to make it more
peformance effective. Mostly done by Ming Zhang.
Modified Paths:
--------------
trunk/scst/src/scst_cdbprobe.h
trunk/scst/src/scst_lib.c
Modified: trunk/scst/src/scst_cdbprobe.h
===================================================================
--- trunk/scst/src/scst_cdbprobe.h 2006-12-14 15:42:11 UTC (rev 54)
+++ trunk/scst/src/scst_cdbprobe.h 2006-12-14 15:52:16 UTC (rev 55)
@@ -20,8 +20,18 @@
#ifndef __SCST_CDBPROBE_H
#define __SCST_CDBPROBE_H
-#define SCST_BLOCK_LIMIT_LEN 6
+/* get_trans_len_x extract x bytes from cdb as length starting from off */
+static uint32_t get_trans_len_1(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_2(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_3(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_4(const uint8_t *cdb, uint8_t off);
+/* for special commands */
+static uint32_t get_trans_len_block_limit(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_read_capacity(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_single(const uint8_t *cdb, uint8_t off);
+static uint32_t get_trans_len_none(const uint8_t *cdb, uint8_t off);
+
/*
+=====================================-============-======-
| Command name | Operation | Type |
@@ -68,14 +78,15 @@
uint8_t direction; /* init --> target: SCST_DATA_WRITE
* target --> init: SCST_DATA_READ
*/
- uint8_t size_field_len; /* how many bytes using for data */
- uint8_t fixed; /* opcode -- have fixed variable bit ??? */
- uint8_t flag1; /* Note 1 */
- uint8_t flag2;
-};
+ uint8_t flags; /* opcode -- various flags */
+ uint8_t off; /* length offset in cdb */
+ uint32_t (*get_trans_len)(const uint8_t *cdb, uint8_t off) __attribute__ ((aligned));
+} __attribute__((packed));
static int scst_scsi_op_list[256];
+#define FLAG_NONE 0
+
static const struct scst_sdbops scst_scsi_op_table[] = {
/*
* +-------------------> TYPE_IS_DISK (0)
@@ -94,413 +105,406 @@
* || | | || |
* || | | || |
* 0123456789ABCDEF ---> TYPE_IS_???? */
+
+ /* 6-bytes length CDB */
{0x00, "MMMMMMMMMMMMMMMM", "TEST UNIT READY",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x01, " M ", "REWIND",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x01, "O V OO OO ", "REZERO UNIT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x02, "VVVVVV V ", "REQUEST BLOCK ADDR",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x03, "MMMMMMMMMMMMMMMM", "REQUEST SENSE",
- SCST_DATA_READ, 1, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 4, get_trans_len_1},
{0x04, "M O O ", "FORMAT UNIT",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0}, /*-*/
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x04, " O ", "FORMAT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x05, "VMVVVV V ", "READ BLOCK LIMITS",
- SCST_DATA_READ, 1, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 0, get_trans_len_block_limit},
{0x06, "VVVVVV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x07, " O ", "INITIALIZE ELEMENT STATUS",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x07, "OVV O OV ", "REASSIGN BLOCKS",
- SCST_DATA_NONE, 0, 0, 0, 0}, /*-*/
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x08, "O ", "READ(6)",
- SCST_DATA_READ, 1, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 4, get_trans_len_1},
{0x08, " MV OO OV ", "READ(6)",
- SCST_DATA_READ, 3, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 2, get_trans_len_3},
{0x08, " M ", "GET MESSAGE(6)",
- SCST_DATA_READ, 3, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 2, get_trans_len_3},
{0x08, " O ", "RECEIVE",
- SCST_DATA_READ, 3, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 2, get_trans_len_3},
{0x09, "VVVVVV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0A, "O ", "WRITE(6)",
- SCST_DATA_WRITE, 1, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 4, get_trans_len_1},
{0x0A, " M O OV ", "WRITE(6)",
- SCST_DATA_WRITE, 3, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 2, get_trans_len_3},
{0x0A, " M ", "PRINT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0A, " M ", "SEND MESSAGE(6)",
- SCST_DATA_WRITE, 3, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 2, get_trans_len_3},
{0x0A, " M ", "SEND(6)",
- SCST_DATA_WRITE, 3, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 2, get_trans_len_3},
{0x0B, "O OO OV ", "SEEK(6)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0B, " ", "TRACK SELECT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0B, " O ", "SLEW AND PRINT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0C, "VVVVVV V ", "SEEK BLOCK",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x0D, "VVVVVV V ", "PARTITION",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x0E, "VVVVVV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x0F, "VOVVVV V ", "READ REVERSE",
- SCST_DATA_READ, 3, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 2, get_trans_len_3},
{0x10, "VM V V ", "WRITE FILEMARKS",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x10, " O O ", "SYNCHRONIZE BUFFER",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x11, "VMVVVV ", "SPACE",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x12, "MMMMMMMMMMMMMMMM", "INQUIRY",
- SCST_DATA_READ, 1, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 4, get_trans_len_1},
{0x13, "VOVVVV ", "VERIFY(6)",
- SCST_DATA_WRITE, 3, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 2, get_trans_len_3},
{0x14, "VOOVVV ", "RECOVER BUFFERED DATA",
- SCST_DATA_READ, 3, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 2, get_trans_len_3},
{0x15, "OMOOOOOOOOOOOOOO", "MODE SELECT(6)",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N6! */
+ SCST_DATA_WRITE, FLAG_NONE, 4, get_trans_len_1},
{0x16, "MMMMMMMMMMMMMMMM", "RESERVE",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x17, "MMMMMMMMMMMMMMMM", "RELEASE",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x18, "OOOOOOOO ", "COPY",
- SCST_DATA_WRITE, 1, SCST_LONG_TIMEOUT, 0, 0}, /*N5! */
+ SCST_DATA_WRITE, SCST_LONG_TIMEOUT, 2, get_trans_len_3},
{0x19, "VMVVVV ", "ERASE",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x1A, "OMOOOOOOOOOOOOOO", "MODE SENSE(6)",
- SCST_DATA_READ, 1, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 4, get_trans_len_1},
{0x1B, " O ", "SCAN",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x1B, " O ", "LOAD UNLOAD",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x1B, " O ", "STOP PRINT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x1B, "O OO O O ", "STOP START UNIT",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x1C, "OOOOOOOOOOOOOOOO", "RECEIVE DIAGNOSTIC RESULTS",
- SCST_DATA_READ, 1, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 4, get_trans_len_1},
{0x1D, "MMMMMMMMMMMMMMMM", "SEND DIAGNOSTIC",
- SCST_DATA_WRITE, 1, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 4, get_trans_len_1},
{0x1E, "OOOOOOOOOOOOOOOO", "PREVENT ALLOW MEDIUM REMOVAL",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x1F, " O ", "PORT STATUS",
- SCST_DATA_NONE, 0, 0, 0, 0},
- /* 10-bytes length CDB */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
+
+ /* 10-bytes length CDB */
{0x20, "V VV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x21, "V VV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x22, "V VV V ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x23, "V VV V ", "READ FORMAT CAPACITY",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x24, "V VVM ", "SET WINDOW",
- SCST_DATA_WRITE, 3, 0, 0, 0}, /*-*/
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_3},
{0x25, "M MM M ", "READ CAPACITY",
- SCST_DATA_READ, 0, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 0, get_trans_len_read_capacity},
{0x25, " O ", "GET WINDOW",
- SCST_DATA_READ, 3, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_3},
{0x26, "V VV ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x27, "V VV ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x28, "M MMMM ", "READ(10)",
- SCST_DATA_READ, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 7, get_trans_len_2},
{0x28, " O ", "GET MESSAGE(10)",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x29, "V VV O ", "READ GENERATION",
- SCST_DATA_READ, 1, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_1},
{0x2A, "O MO M ", "WRITE(10)",
- SCST_DATA_WRITE, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 7, get_trans_len_2},
{0x2A, " O ", "SEND MESSAGE(10)",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 7, get_trans_len_2},
{0x2A, " O ", "SEND(10)",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 7, get_trans_len_2},
{0x2B, " O ", "LOCATE",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x2B, " O ", "POSITION TO ELEMENT",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x2B, "O OO O ", "SEEK(10)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x2C, "V O O ", "ERASE(10)",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x2D, "V O O ", "READ UPDATED BLOCK",
- SCST_DATA_READ, 1, 0, 0, 0}, /*N2! */
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 0, get_trans_len_single},
{0x2E, "O OO O ", "WRITE AND VERIFY(10)",
- SCST_DATA_WRITE, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 7, get_trans_len_2},
{0x2F, "O OO O ", "VERIFY(10)",
- SCST_DATA_WRITE, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
- /*-*/
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 7, get_trans_len_2},
+/*
{0x30, "O OO O ", "SEARCH DATA HIGH(10)",
- SCST_DATA_NONE, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*-*/
+ SCST_DATA_NONE, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
{0x31, " O ", "OBJECT POSITION",
- SCST_DATA_NONE, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*N1! */
+ SCST_DATA_NONE, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
{0x31, "O OO O ", "SEARCH DATA EQUAL(10)",
- SCST_DATA_NONE, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*-*/
+ SCST_DATA_NONE, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
{0x32, "O OO O ", "SEARCH DATA LOW(10)",
- SCST_DATA_NONE, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*-*/
+ SCST_DATA_NONE, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
+*/
{0x33, "O OO O ", "SET LIMITS(10)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x34, " O ", "READ POSITION",
- SCST_DATA_READ, 1, SCST_SMALL_TIMEOUT, 0, 0}, /*N4! */
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 7, get_trans_len_2},
{0x34, " O ", "GET DATA BUFFER STATUS",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x34, "O OO O ", "PRE-FETCH",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x35, "O OO O ", "SYNCHRONIZE CACHE",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x36, "O OO O ", "LOCK UNLOCK CACHE",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x37, "O O ", "READ DEFECT DATA(10)",
- SCST_DATA_READ, 1, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_1},
{0x38, " O O ", "MEDIUM SCAN",
- SCST_DATA_READ, 1, 0, 0, 0}, /*-*/
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_1},
{0x39, "OOOOOOOO ", "COMPARE",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N3! */
+ SCST_DATA_WRITE, FLAG_NONE, 3, get_trans_len_3},
{0x3A, "OOOOOOOO ", "COPY AND VERIFY",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N3!? */
+ SCST_DATA_WRITE, FLAG_NONE, 3, get_trans_len_3},
{0x3B, "OOOOOOOOOOOOOOOO", "WRITE BUFFER",
- SCST_DATA_WRITE, 3, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_WRITE, SCST_SMALL_TIMEOUT, 6, get_trans_len_3},
{0x3C, "OOOOOOOOOOOOOOOO", "READ BUFFER",
- SCST_DATA_READ, 3, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 6, get_trans_len_3},
{0x3D, " O O ", "UPDATE BLOCK",
- SCST_DATA_WRITE, 1, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*N2! */
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 0, get_trans_len_single},
{0x3E, "O OO O ", "READ LONG",
- SCST_DATA_READ, 1, 0, 0, 0}, /*N6! */
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x3F, "O O O ", "WRITE LONG",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N6! */
+ SCST_DATA_WRITE, FLAG_NONE, 7, get_trans_len_2},
{0x40, "OOOOOOOOOO ", "CHANGE DEFINITION",
- SCST_DATA_WRITE, 1, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_WRITE, SCST_SMALL_TIMEOUT, 8, get_trans_len_1},
{0x41, "O O ", "WRITE SAME",
- SCST_DATA_WRITE, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*N2! */
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 0, get_trans_len_single},
{0x42, " O ", "READ SUB-CHANNEL",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x43, " O ", "READ TOC/PMA/ATIP",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x44, " O ", "READ HEADER",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x45, " O ", "PLAY AUDIO(10)",
- SCST_DATA_READ, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*N8! */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x46, " O ", "GET CONFIGURATION",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x47, " O ", "PLAY AUDIO MSF",
- SCST_DATA_READ, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*? */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x48, " O ", "PLAY AUDIO TRACK INDEX",
- SCST_DATA_READ, 0, SCST_UNKNOWN_LENGTH, 1, 0}, /*? */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x49, " O ", "PLAY TRACK RELATIVE(10)",
- SCST_DATA_READ, 2, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*N8! */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x4A, " O ", "GET EVENT STATUS NOTIFICATION",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x4B, " O ", "PAUSE/RESUME",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x4C, "OOOOOOOOOOOOOOOO", "LOG SELECT",
- SCST_DATA_WRITE, 2, SCST_SMALL_TIMEOUT, 0, 0}, /*N6! */
+ SCST_DATA_WRITE, SCST_SMALL_TIMEOUT, 7, get_trans_len_2},
{0x4D, "OOOOOOOOOOOOOOOO", "LOG SENSE",
- SCST_DATA_READ, 2, SCST_SMALL_TIMEOUT, 0, 0}, /*N6! */
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 7, get_trans_len_2},
{0x4E, " O ", "STOP PLAY/SCAN",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x4F, " ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x50, " ", "XDWRITE",
- SCST_DATA_NONE, 0, 0, 0, 0}, /*-*/
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x51, " O ", "READ DISC INFORMATION",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x51, " ", "XPWRITE",
- SCST_DATA_NONE, 0, 0, 0, 0}, /*-*/
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x52, " O ", "READ TRACK INFORMATION",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x53, " O ", "RESERVE TRACK",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x54, " O ", "SEND OPC INFORMATION",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 7, get_trans_len_2},
{0x55, "OOOOOOOOOOOOOOOO", "MODE SELECT(10)",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 7, get_trans_len_2},
{0x56, "OOOOOOOOOOOOOOOO", "RESERVE(10)",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x57, "OOOOOOOOOOOOOOOO", "RELEASE(10)",
- SCST_DATA_NONE, 0, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_SMALL_TIMEOUT, 0, get_trans_len_none},
{0x58, " O ", "REPAIR TRACK",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x59, " ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x5A, "OOOOOOOOOOOOOOOO", "MODE SENSE(10)",
- SCST_DATA_READ, 2, SCST_SMALL_TIMEOUT, 0, 0},
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 7, get_trans_len_2},
{0x5B, " O ", "CLOSE TRACK/SESSION",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x5C, " O ", "READ BUFFER CAPACITY",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_2},
{0x5D, " O ", "SEND CUE SHEET",
- SCST_DATA_WRITE, 3, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_3},
{0x5E, " ", "PERSISTENT_RESERV_IN",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x5F, " ", "PERSISTENT_RESERV_OUT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
/* 16-bytes length CDB */
{0x80, "O OO O ", "XDWRITE EXTENDED",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x80, " M ", "WRITE FILEMARKS",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x81, "O OO O ", "REBUILD",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 10, get_trans_len_4},
{0x82, "O OO O ", "REGENERATE",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 10, get_trans_len_4},
{0x83, "OOOOOOOOOOOOOOOO", "EXTENDED COPY",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 10, get_trans_len_4},
{0x84, "OOOOOOOOOOOOOOOO", "RECEIVE COPY RESULT",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 10, get_trans_len_4},
{0x86, "OOOOOOOOOO ", "ACCESS CONTROL IN",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x87, "OOOOOOOOOO ", "ACCESS CONTROL OUT",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x88, "M MMMM ", "READ(16)",
- SCST_DATA_READ, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 10, get_trans_len_4},
{0x8A, "O OO O ", "WRITE(16)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 10, get_trans_len_4},
{0x8C, "OOOOOOOOOO ", "READ ATTRIBUTE",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 10, get_trans_len_4},
{0x8D, "OOOOOOOOOO ", "WRITE ATTRIBUTE",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 10, get_trans_len_4},
{0x8E, "O OO O ", "WRITE AND VERIFY(16)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
- /*-*/
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 10, get_trans_len_4},
{0x8F, "O OO O ", "VERIFY(16)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*? */
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 10, get_trans_len_4},
{0x90, "O OO O ", "PRE-FETCH(16)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x91, "O OO O ", "SYNCHRONIZE CACHE(16)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x91, " M ", "SPACE(16)",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x92, "O OO O ", "LOCK UNLOCK CACHE(16)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0x92, " O ", "LOCATE(16)",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x93, "O O ", "WRITE SAME(16)",
- SCST_DATA_WRITE, 4, SCST_UNKNOWN_LENGTH, 1, 0}, /*N2! */
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 10, get_trans_len_4},
{0x93, " M ", "ERASE(16)",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0x9E, "O ", "SERVICE ACTION IN",
- SCST_DATA_READ, 0, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 0, get_trans_len_none},
/* 12-bytes length CDB */
{0xA0, "VVVVVVVVVV M ", "REPORT LUN",
- SCST_DATA_READ, 4, SCST_SMALL_TIMEOUT, 0, 0}, /*N7! */
+ SCST_DATA_READ, SCST_SMALL_TIMEOUT, 6, get_trans_len_4},
{0xA1, " O ", "BLANK",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0xA2, " ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xA3, " O ", "SEND KEY",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 8, get_trans_len_2},
{0xA3, "OOOOO OOOO ", "REPORT DEVICE IDENTIDIER",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xA3, " M ", "MAINTENANCE(IN)",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xA4, " O ", "REPORT KEY",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_2},
{0xA4, " O ", "MAINTENANCE(OUT)",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_4},
{0xA5, " M ", "MOVE MEDIUM",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0xA5, " O ", "PLAY AUDIO(12)",
- SCST_DATA_READ, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*N8! */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xA6, " O O ", "EXCHANGE/LOAD/UNLOAD MEDIUM",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0xA7, " O ", "SET READ AHEAD",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xA8, " O ", "GET MESSAGE(12)",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xA8, "O OO O ", "READ(12)",
- SCST_DATA_READ, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 6, get_trans_len_4},
{0xA9, " O ", "PLAY TRACK RELATIVE(12)",
- SCST_DATA_READ, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*N8*! */
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xAA, "O OO O ", "WRITE(12)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 6, get_trans_len_4},
{0xAA, " O ", "SEND MESSAGE(12)",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_4},
{0xAB, " ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xAC, " O ", "ERASE(12)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xAC, " O ", "GET PERFORMANCE",
- SCST_DATA_READ, 0, SCST_UNKNOWN_LENGTH, 1, 0},
+ SCST_DATA_READ, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
{0xAD, " O ", "READ DVD STRUCTURE",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_2},
{0xAE, "O OO O ", "WRITE AND VERIFY(12)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
- /*-*/
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 6, get_trans_len_4},
{0xAF, "O OO O ", "VERIFY(12)",
- SCST_DATA_WRITE, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0}, /*? */
+ SCST_DATA_WRITE, SCST_TRANSFER_LEN_TYPE_FIXED, 6, get_trans_len_4},
+/* No need to support at all.
{0xB0, " OO O ", "SEARCH DATA HIGH(12)",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N9! */
+ SCST_DATA_WRITE, FLAG_NONE, 9, get_trans_len_1},
{0xB1, " OO O ", "SEARCH DATA EQUAL(12)",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N9! */
+ SCST_DATA_WRITE, FLAG_NONE, 9, get_trans_len_1},
{0xB2, " OO O ", "SEARCH DATA LOW(12)",
- SCST_DATA_WRITE, 1, 0, 0, 0}, /*N9! */
+ SCST_DATA_WRITE, FLAG_NONE, 9, get_trans_len_1},
+*/
{0xB3, " OO O ", "SET LIMITS(12)",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xB4, " ", "",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xB5, " O ", "REQUEST VOLUME ELEMENT ADDRESS",
- SCST_DATA_READ, 1, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 9, get_trans_len_1},
{0xB6, " O ", "SEND VOLUME TAG",
- SCST_DATA_WRITE, 1, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 9, get_trans_len_1},
{0xB6, " O ", "SET STREAMING",
- SCST_DATA_WRITE, 0, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 0, get_trans_len_none},
{0xB7, " O ", "READ DEFECT DATA(12)",
- SCST_DATA_READ, 1, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 9, get_trans_len_1},
{0xB8, " O ", "READ ELEMENT STATUS",
- SCST_DATA_READ, 3, 0, 0, 0}, /*N10 */
+ SCST_DATA_READ, FLAG_NONE, 7, get_trans_len_3},
{0xB9, " O ", "READ CD MSF",
- SCST_DATA_READ, 0, SCST_UNKNOWN_LENGTH, 1, 0},
+ SCST_DATA_READ, SCST_UNKNOWN_LENGTH, 0, get_trans_len_none},
{0xBA, " O ", "SCAN",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0},
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none},
{0xBA, " O ", "REDUNDANCY GROUP(IN)",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xBB, " O ", "SET SPEED",
- SCST_DATA_NONE, 0, 0, 0, 0},
+ SCST_DATA_NONE, FLAG_NONE, 0, get_trans_len_none},
{0xBB, " O ", "REDUNDANCY GROUP(OUT)",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_4},
{0xBC, " O ", "SPARE(IN)",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xBD, " O ", "MECHANISM STATUS",
- SCST_DATA_READ, 2, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 8, get_trans_len_2},
{0xBD, " O ", "SPARE(OUT)",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_4},
{0xBE, " O ", "READ CD",
- SCST_DATA_READ, 4, SCST_TRANSFER_LEN_TYPE_FIXED, 0, 0},
+ SCST_DATA_READ, SCST_TRANSFER_LEN_TYPE_FIXED, 6, get_trans_len_3},
{0xBE, " O ", "VOLUME SET(IN)",
- SCST_DATA_READ, 4, 0, 0, 0},
+ SCST_DATA_READ, FLAG_NONE, 6, get_trans_len_4},
{0xBF, " O ", "SEND DVD STRUCTUE",
- SCST_DATA_WRITE, 2, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 8, get_trans_len_2},
{0xBF, " O ", "VOLUME SET(OUT)",
- SCST_DATA_WRITE, 4, 0, 0, 0},
+ SCST_DATA_WRITE, FLAG_NONE, 6, get_trans_len_4},
{0xE7, " V ", "INIT ELEMENT STATUS WRANGE",
- SCST_DATA_NONE, 0, SCST_LONG_TIMEOUT, 0, 0}
+ SCST_DATA_NONE, SCST_LONG_TIMEOUT, 0, get_trans_len_none}
};
/* Notes:
- N1. - Unknown data len
- N2. - Read/Write 1 block data
- N3. - SCSI-2 1 byte len, SCSI-3 may be upto 3 bytes AND other location
- N4. - Answer 20-bytes block.
- N5. - CDB get param list len
- N6. - len is bytes only
- N7. - SCSI-3 Report Lun?
- N8. - fixed length audio mode blocks for CD/DVD use MODE SENSE
- N9. - 14-BYTES header + (n * patterns) full length variable
- N10. - SCSI-2 use 1byte, mt.c (SCSI-3)? use 3 bytes
-
-Unknown op's:
-#define SCSIOP_XDWRITE_EXTENDED 0x80
-#define SCSIOP_REBUILD 0x81
-#define SCSIOP_EA 0xea
-#define WRITE_LONG_2 0xea
+ Unknown op's:
+ #define SCSIOP_XDWRITE_EXTENDED 0x80
+ #define SCSIOP_REBUILD 0x81
+ #define SCSIOP_EA 0xea
+ #define WRITE_LONG_2 0xea
*/
#define SCST_CDB_TBL_SIZE ((sizeof(scst_scsi_op_table)/sizeof(struct scst_sdbops)))
Modified: trunk/scst/src/scst_lib.c
===================================================================
--- trunk/scst/src/scst_lib.c 2006-12-14 15:42:11 UTC (rev 54)
+++ trunk/scst/src/scst_lib.c 2006-12-14 15:52:16 UTC (rev 55)
@@ -1472,6 +1472,51 @@
return SCST_GET_CDB_LEN(cdb[0]);
}
+/* get_trans_len_x extract x bytes from cdb as length starting from off */
+
+static uint32_t get_trans_len_1(const uint8_t *cdb, uint8_t off)
+{
+ return (*(cdb + off));
+}
+
+static uint32_t get_trans_len_2(const uint8_t *cdb, uint8_t off)
+{
+ return be16_to_cpu(*((uint16_t *)(cdb + off)));
+}
+
+static uint32_t get_trans_len_3(const uint8_t *cdb, uint8_t off)
+{
+ const uint8_t *p = cdb + off;
+
+ return ((*p) << 16) + (*(p + 1) << 8) + *(p + 2);
+}
+
+static uint32_t get_trans_len_4(const uint8_t *cdb, uint8_t off)
+{
+ return be32_to_cpu(*((uint32_t *)(cdb + off)));
+}
+
+/* for special commands */
+static uint32_t get_trans_len_block_limit(const uint8_t *cdb, uint8_t off)
+{
+ return 6;
+}
+
+static uint32_t get_trans_len_read_capacity(const uint8_t *cdb, uint8_t off)
+{
+ return 8;
+}
+
+static uint32_t get_trans_len_single(const uint8_t *cdb, uint8_t off)
+{
+ return 1;
+}
+
+static uint32_t get_trans_len_none(const uint8_t *cdb, uint8_t off)
+{
+ return 0;
+}
+
int scst_get_cdb_info(const uint8_t *cdb_p, int dev_type,
struct scst_info_cdb *info_p)
{
@@ -1481,12 +1526,9 @@
TRACE_ENTRY();
- memset(info_p, 0, sizeof(*info_p));
- info_p->direction = SCST_DATA_NONE;
- info_p->op_name = "NOOP";
op = *cdb_p; /* get clear opcode */
- TRACE(TRACE_SCSI, "opcode=%02x, cdblen=%d bytes, tblsize=%zd, "
+ TRACE_DBG("opcode=%02x, cdblen=%d bytes, tblsize=%zd, "
"dev_type=%d", op, SCST_GET_CDB_LEN(op), SCST_CDB_TBL_SIZE,
dev_type);
@@ -1494,8 +1536,7 @@
while (i < SCST_CDB_TBL_SIZE && scst_scsi_op_table[i].ops == op) {
if (scst_scsi_op_table[i].devkey[dev_type] != SCST_CDB_NOTSUPP) {
ptr = &scst_scsi_op_table[i];
-#if 0
- TRACE(TRACE_SCSI, "op = 0x%02x+'%c%c%c%c%c%c%c%c%c%c'+<%s>",
+ TRACE_DBG("op = 0x%02x+'%c%c%c%c%c%c%c%c%c%c'+<%s>",
ptr->ops, ptr->devkey[0], /* disk */
ptr->devkey[1], /* tape */
ptr->devkey[2], /* printer */
@@ -1507,13 +1548,10 @@
ptr->devkey[8], /* changer */
ptr->devkey[9], /* commdev */
ptr->op_name);
-
- TRACE(TRACE_SCSI,
- "direction=%d size_field_len=%d fixed=%d flag1=%d flag2=%d",
+ TRACE_DBG("direction=%d flags=%d off=%d",
ptr->direction,
- ptr->size_field_len,
- ptr->fixed, ptr->flag1, ptr->flag2);
-#endif
+ ptr->flags,
+ ptr->off);
break;
}
i++;
@@ -1529,135 +1567,24 @@
info_p->cdb_len = SCST_GET_CDB_LEN(op);
info_p->op_name = ptr->op_name;
- /* 1. direction */
info_p->direction = ptr->direction;
- if (info_p->direction == SCST_DATA_NONE)
- goto out;
+ info_p->flags = ptr->flags;
+ info_p->transfer_len = (*ptr->get_trans_len)(cdb_p, ptr->off);
- /* 2. flags */
- info_p->flags = ptr->fixed;
-
- /*
- * CDB length needed, because we must know offsets:
- * 1) for 6-bytes CDB len = 1 byte or 3 bytes(if real transfer exist)
- * 2) for 10-bytes CDB len = 1 byte or 2 bytes(0x24,0x25 = 3)
- * 3) for 12-bytes CDB len = 1 byte or 4 bytes
- */
-
- /* 3. transfer_len */
- if (SCST_GET_CDB_LEN(op) == 6) {
- if (ptr->size_field_len == 3) {
- /* length = 3 bytes */
- info_p->transfer_len = (((*(cdb_p + 2)) & 0xff) << 16) +
- (((*(cdb_p + 3)) & 0xff) << 8) +
- ((*(cdb_p + 4)) & 0xff);
- info_p->transfer_len &= 0xffffff;
- } else if (ptr->size_field_len == 1) {
- /*
- * Warning!!! CDB 'READ BLOCK LIMITS'
- * always returns 6-byte block with limits
- * info_p->transfer_len = (int)(*(cdb_p + 4));
- */
- info_p->transfer_len = ((op == READ_BLOCK_LIMITS) ?
- SCST_BLOCK_LIMIT_LEN :
- *(cdb_p + 4)) & 0xff;
- }
- } else if (SCST_GET_CDB_LEN(op) == 10) {
- if (ptr->size_field_len == 3)
- /*
- * SET window usees 3 bytes length SET/GET WINDOW
- * if ((uint8_t)ptr->ops == 0x24 || 0x25)
- */
- {
- info_p->transfer_len = (((*(cdb_p + 6)) & 0xff) << 16) +
- (((*(cdb_p + 7)) & 0xff) << 8) +
- ((*(cdb_p + 8)) & 0xff);
- info_p->transfer_len &= 0xffffff;
- } else if (ptr->size_field_len == 2) {
- info_p->transfer_len = (((*(cdb_p + 7)) & 0xff) << 8) +
- ((*(cdb_p + 8)) & 0xff);
- info_p->transfer_len &= 0xffff;
- } else if (ptr->size_field_len == 1) {
- info_p->transfer_len = (*(cdb_p + 8));
-
- /* opcode = READ-WRITE UPDATED BLOCK */
- if ((ptr->ops == UPDATE_BLOCK) ||
- (ptr->ops == WRITE_SAME)) {
- /* the opcode always returns 1 block */
- info_p->flags |= SCST_TRANSFER_LEN_TYPE_FIXED;
- info_p->transfer_len = 1;
- }
-
- if ((ptr->ops == COMPARE) || (ptr->ops == COPY_VERIFY)) {
- /* ese other place in CDB [3,4],5 */
- info_p->transfer_len = (*(cdb_p + 5));
- }
-
- info_p->transfer_len &= 0xff;
- }
- } else if (SCST_GET_CDB_LEN(op) == 12) {
- if (ptr->size_field_len == 4) {
- info_p->transfer_len = (((*(cdb_p + 6)) & 0xff) << 24) +
- (((*(cdb_p + 7)) & 0xff) << 16) +
- (((*(cdb_p + 8)) & 0xff) << 8) +
- ((*(cdb_p + 9)) & 0xff);
- info_p->transfer_len &= 0xffffffff;
- } else if (ptr->size_field_len == 3) {
- info_p->transfer_len = (((*(cdb_p + 7)) & 0xff) << 16) +
- (((*(cdb_p + 8)) & 0xff) << 8) +
- ((*(cdb_p + 9)) & 0xff);
- info_p->transfer_len &= 0xffffff;
- } else if (ptr->size_field_len == 2) {
- info_p->transfer_len = (((*(cdb_p + 8)) & 0xff) << 8) +
- ((*(cdb_p + 9)) & 0xff);
- info_p->transfer_len &= 0xffff;
- } else {
- if (ptr->size_field_len == 1) {
- info_p->transfer_len = (*(cdb_p + 9));
- info_p->transfer_len &= 0xff;
- }
- }
- } else if (SCST_GET_CDB_LEN(op) == 16) {
- if (ptr->size_field_len == 4) {
- info_p->transfer_len =
- (((*(cdb_p + 10)) & 0xff) << 24) +
- (((*(cdb_p + 11)) & 0xff) << 16) +
- (((*(cdb_p + 12)) & 0xff) << 8) +
- ((*(cdb_p + 13)) & 0xff);
- }
- }
- if (!info_p->transfer_len) {
+#ifdef EXTRACHECKS
+ if (unlikely((info_p->transfer_len == 0) &&
+ (info_p->direction != SCST_DATA_NONE))) {
TRACE_DBG("Warning! transfer_len 0, direction %d change on %d",
info_p->direction, SCST_DATA_NONE);
info_p->direction = SCST_DATA_NONE;
}
+#endif
out:
TRACE_EXIT();
return res;
}
-void scst_scsi_op_list_init(void)
-{
- int i;
- uint8_t op = 0xff;
-
- TRACE_ENTRY();
-
- for (i = 0; i < 256; i++)
- scst_scsi_op_list[i] = SCST_CDB_TBL_SIZE;
-
- for (i = 0; i < SCST_CDB_TBL_SIZE; i++) {
- if (scst_scsi_op_table[i].ops != op) {
- op = scst_scsi_op_table[i].ops;
- scst_scsi_op_list[op] = i;
- }
- }
-
- TRACE_EXIT();
- return;
-}
-
/*
* Routine to extract a lun number from an 8-byte LUN structure
* in network byte order (BE).
@@ -2234,6 +2161,28 @@
return;
}
+void __init scst_scsi_op_list_init(void)
+{
+ int i;
+ uint8_t op = 0xff;
+
+ TRACE_ENTRY();
+
+ for (i = 0; i < 256; i++)
+ scst_scsi_op_list[i] = SCST_CDB_TBL_SIZE;
+
+ for (i = 0; i < SCST_CDB_TBL_SIZE; i++) {
+ if (scst_scsi_op_table[i].ops != op) {
+ op = scst_scsi_op_table[i].ops;
+ scst_scsi_op_list[op] = i;
+ }
+ }
+
+ TRACE_EXIT();
+ return;
+}
+
+
#ifdef DEBUG
/* Original taken from the XFS code */
unsigned long scst_random(void)
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