constants.c

来自「Linux Kernel 2.6.9 for OMAP1710」· C语言 代码 · 共 1,197 行 · 第 1/3 页

/* 
 * ASCII values for a number of symbolic constants, printing functions,
 * etc.
 * Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422)
 * Additions for SCSI 3+ (SPC-3 T10/1416-D Rev 07 3 May 2002)
 *   by D. Gilbert and aeb (20020609)
 */

#include <linux/config.h>
#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/kernel.h>

#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_request.h>


#define CONST_COMMAND   0x01
#define CONST_STATUS    0x02
#define CONST_SENSE     0x04
#define CONST_XSENSE    0x08
#define CONST_CMND      0x10
#define CONST_MSG       0x20
#define CONST_HOST	0x40
#define CONST_DRIVER	0x80

static const char unknown[] = "UNKNOWN";

#ifdef CONFIG_SCSI_CONSTANTS
#ifdef CONSTANTS
#undef CONSTANTS
#endif
#define CONSTANTS (CONST_COMMAND | CONST_STATUS | CONST_SENSE | CONST_XSENSE \
		   | CONST_CMND | CONST_MSG | CONST_HOST | CONST_DRIVER)
#else
#define CONSTANTS 0
#endif

#if (CONSTANTS & CONST_COMMAND)
static const char * group_0_commands[] = {
/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reasssign Blocks",
/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",  
/* 13-16 */ "Verify", "Recover Buffered Data", "Mode Select", "Reserve",
/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic", 
/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
};


static const char *group_1_commands[] = {
/* 20-22 */  unknown, unknown, unknown,
/* 23-28 */ unknown, "Define window parameters", "Read Capacity", 
            unknown, unknown, "Read (10)", 
/* 29-2d */ "Read Generation", "Write (10)", "Seek (10)", "Erase", 
            "Read updated block", 
/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal", 
/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position", 
/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data", 
/* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer", 
            "Read Buffer", 
/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
};


static const char *group_2_commands[] = {
/* 40-41 */ "Change Definition", "Write Same",
/* 42-48 */ "Read sub-channel", "Read TOC", "Read header",
            "Play audio (10)", "Get configuration", "Play audio msf",
            "Play audio track/index",
/* 49-4f */ "Play track relative (10)", "Get event status notification",
            "Pause/resume", "Log Select", "Log Sense", "Stop play/scan",
            unknown,
/* 50-55 */ "Xdwrite", "Xpwrite, Read disk info", "Xdread, Read track info",
            "Reserve track", "Send OPC onfo", "Mode Select (10)",
/* 56-5b */ "Reserve (10)", "Release (10)", "Repair track", "Read master cue",
            "Mode Sense (10)", "Close track/session",
/* 5c-5f */ "Read buffer capacity", "Send cue sheet", "Persistent reserve in",
            "Persistent reserve out",
};


/* The following are 16 byte commands in group 4 */
static const char *group_4_commands[] = {
/* 80-84 */ "Xdwrite (16)", "Rebuild (16)", "Regenerate (16)", "Extended copy",
            "Receive copy results",
/* 85-89 */ "Memory Export In (16)", "Access control in", "Access control out",
            "Read (16)", "Memory Export Out (16)",
/* 8a-8f */ "Write (16)", unknown, "Read attributes", "Write attributes",
            "Write and verify (16)", "Verify (16)",
/* 90-94 */ "Pre-fetch (16)", "Synchronize cache (16)",
            "Lock/unlock cache (16)", "Write same (16)", unknown,
/* 95-99 */ unknown, unknown, unknown, unknown, unknown,
/* 9a-9f */ unknown, unknown, unknown, unknown, "Service action in",
            "Service action out",
};

/* The following are 12 byte commands in group 5 */
static const char *group_5_commands[] = {
/* a0-a5 */ "Report luns", "Blank", "Send event", "Maintenance (in)",
            "Maintenance (out)", "Move medium/play audio(12)",
/* a6-a9 */ "Exchange medium", "Move medium attached", "Read(12)",
            "Play track relative(12)",
/* aa-ae */ "Write(12)", unknown, "Erase(12), Get Performance",
            "Read DVD structure", "Write and verify(12)",
/* af-b1 */ "Verify(12)", "Search data high(12)", "Search data equal(12)",
/* b2-b4 */ "Search data low(12)", "Set limits(12)",
            "Read element status attached",
/* b5-b6 */ "Request volume element address", "Send volume tag, set streaming",
/* b7-b9 */ "Read defect data(12)", "Read element status", "Read CD msf",
/* ba-bc */ "Redundancy group (in), Scan",
            "Redundancy group (out), Set cd-rom speed", "Spare (in), Play cd",
/* bd-bf */ "Spare (out), Mechanism status", "Volume set (in), Read cd",
            "Volume set (out), Send DVD structure",
};



#define group(opcode) (((opcode) >> 5) & 7)

#define RESERVED_GROUP  0
#define VENDOR_GROUP    1

static const char **commands[] = {
    group_0_commands, group_1_commands, group_2_commands, 
    (const char **) RESERVED_GROUP, group_4_commands, 
    group_5_commands, (const char **) VENDOR_GROUP, 
    (const char **) VENDOR_GROUP
};

static const char reserved[] = "RESERVED";
static const char vendor[] = "VENDOR SPECIFIC";

static void print_opcode(int opcode) {
    const char **table = commands[ group(opcode) ];
    switch ((unsigned long) table) {
    case RESERVED_GROUP:
	printk("%s(0x%02x) ", reserved, opcode); 
	break;
    case VENDOR_GROUP:
	printk("%s(0x%02x) ", vendor, opcode); 
	break;
    default:
	if (table[opcode & 0x1f] != unknown)
	    printk("%s ",table[opcode & 0x1f]);
	else
	    printk("%s(0x%02x) ", unknown, opcode);
	break;
    }
}
#else /* CONST & CONST_COMMAND */
static void print_opcode(int opcode) {
    printk("0x%02x ", opcode);
}
#endif  

void __scsi_print_command (unsigned char *command) {
    int i,s;
    print_opcode(command[0]);
    for ( i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i) 
	printk("%02x ", command[i]);
    printk("\n");
}

/**
 *
 *	print_status - print scsi status description
 *	@scsi_status: scsi status value
 *
 *	If the status is recognized, the description is printed.
 *	Otherwise "Unknown status" is output. No trailing space.
 *	If CONFIG_SCSI_CONSTANTS is not set, then print status in hex
 *	(e.g. "0x2" for Check Condition).
 **/
void
scsi_print_status(unsigned char scsi_status) {
#if (CONSTANTS & CONST_STATUS)
	const char * ccp;

	switch (scsi_status) {
	case 0:    ccp = "Good"; break;
	case 0x2:  ccp = "Check Condition"; break;
	case 0x4:  ccp = "Condition Met"; break;
	case 0x8:  ccp = "Busy"; break;
	case 0x10: ccp = "Intermediate"; break;
	case 0x14: ccp = "Intermediate-Condition Met"; break;
	case 0x18: ccp = "Reservation Conflict"; break;
	case 0x22: ccp = "Command Terminated"; break;	/* obsolete */
	case 0x28: ccp = "Task set Full"; break;	/* was: Queue Full */
	case 0x30: ccp = "ACA Active"; break;
	case 0x40: ccp = "Task Aborted"; break;
	default:   ccp = "Unknown status";
	}
	printk("%s", ccp);
#else
	printk("0x%0x", scsi_status);
#endif
}

#if (CONSTANTS & CONST_XSENSE)

struct error_info {
	unsigned short code12;	/* 0x0302 looks better than 0x03,0x02 */
	const char * text;
};

static struct error_info additional[] =
{
	{0x0000, "No additional sense information"},
	{0x0001, "Filemark detected"},
	{0x0002, "End-of-partition/medium detected"},
	{0x0003, "Setmark detected"},
	{0x0004, "Beginning-of-partition/medium detected"},
	{0x0005, "End-of-data detected"},
	{0x0006, "I/O process terminated"},
	{0x0011, "Audio play operation in progress"},
	{0x0012, "Audio play operation paused"},
	{0x0013, "Audio play operation successfully completed"},
	{0x0014, "Audio play operation stopped due to error"},
	{0x0015, "No current audio status to return"},
	{0x0016, "Operation in progress"},
	{0x0017, "Cleaning requested"},
	{0x0018, "Erase operation in progress"},
	{0x0019, "Locate operation in progress"},
	{0x001A, "Rewind operation in progress"},
	{0x001B, "Set capacity operation in progress"},
	{0x001C, "Verify operation in progress"},

	{0x0100, "No index/sector signal"},

	{0x0200, "No seek complete"},

	{0x0300, "Peripheral device write fault"},
	{0x0301, "No write current"},
	{0x0302, "Excessive write errors"},

	{0x0400, "Logical unit not ready, cause not reportable"},
	{0x0401, "Logical unit is in process of becoming ready"},
	{0x0402, "Logical unit not ready, initializing cmd. required"},
	{0x0403, "Logical unit not ready, manual intervention required"},
	{0x0404, "Logical unit not ready, format in progress"},
	{0x0405, "Logical unit not ready, rebuild in progress"},
	{0x0406, "Logical unit not ready, recalculation in progress"},
	{0x0407, "Logical unit not ready, operation in progress"},
	{0x0408, "Logical unit not ready, long write in progress"},
	{0x0409, "Logical unit not ready, self-test in progress"},
	{0x040A, "Logical unit not accessible, asymmetric access state "
	 "transition"},
	{0x040B, "Logical unit not accessible, target port in standby state"},
	{0x040C, "Logical unit not accessible, target port in unavailable "
	 "state"},
	{0x0410, "Logical unit not ready, auxiliary memory not accessible"},

	{0x0500, "Logical unit does not respond to selection"},

	{0x0600, "No reference position found"},

	{0x0700, "Multiple peripheral devices selected"},

	{0x0800, "Logical unit communication failure"},
	{0x0801, "Logical unit communication time-out"},
	{0x0802, "Logical unit communication parity error"},
	{0x0803, "Logical unit communication CRC error (Ultra-DMA/32)"},
	{0x0804, "Unreachable copy target"},

	{0x0900, "Track following error"},
	{0x0901, "Tracking servo failure"},
	{0x0902, "Focus servo failure"},
	{0x0903, "Spindle servo failure"},
	{0x0904, "Head select fault"},

	{0x0A00, "Error log overflow"},

	{0x0B00, "Warning"},
	{0x0B01, "Warning - specified temperature exceeded"},
	{0x0B02, "Warning - enclosure degraded"},

	{0x0C00, "Write error"},
	{0x0C01, "Write error - recovered with auto reallocation"},
	{0x0C02, "Write error - auto reallocation failed"},
	{0x0C03, "Write error - recommend reassignment"},
	{0x0C04, "Compression check miscompare error"},
	{0x0C05, "Data expansion occurred during compression"},
	{0x0C06, "Block not compressible"},
	{0x0C07, "Write error - recovery needed"},
	{0x0C08, "Write error - recovery failed"},
	{0x0C09, "Write error - loss of streaming"},
	{0x0C0A, "Write error - padding blocks added"},
	{0x0C0B, "Auxiliary memory write error"},
	{0x0C0C, "Write error - unexpected unsolicited data"},
	{0x0C0D, "Write error - not enough unsolicited data"},

	{0x0D00, "Error detected by third party temporary initiator"},
	{0x0D01, "Third party device failure"},
	{0x0D02, "Copy target device not reachable"},
	{0x0D03, "Incorrect copy target device type"},
	{0x0D04, "Copy target device data underrun"},
	{0x0D05, "Copy target device data overrun"},

	{0x1000, "Id CRC or ECC error"},

	{0x1100, "Unrecovered read error"},
	{0x1101, "Read retries exhausted"},
	{0x1102, "Error too long to correct"},
	{0x1103, "Multiple read errors"},
	{0x1104, "Unrecovered read error - auto reallocate failed"},
	{0x1105, "L-EC uncorrectable error"},
	{0x1106, "CIRC unrecovered error"},
	{0x1107, "Data re-synchronization error"},
	{0x1108, "Incomplete block read"},
	{0x1109, "No gap found"},
	{0x110A, "Miscorrected error"},
	{0x110B, "Unrecovered read error - recommend reassignment"},
	{0x110C, "Unrecovered read error - recommend rewrite the data"},
	{0x110D, "De-compression CRC error"},
	{0x110E, "Cannot decompress using declared algorithm"},
	{0x110F, "Error reading UPC/EAN number"},
	{0x1110, "Error reading ISRC number"},
	{0x1111, "Read error - loss of streaming"},
	{0x1112, "Auxiliary memory read error"},
	{0x1113, "Read error - failed retransmission request"},

	{0x1200, "Address mark not found for id field"},

	{0x1300, "Address mark not found for data field"},

	{0x1400, "Recorded entity not found"},
	{0x1401, "Record not found"},
	{0x1402, "Filemark or setmark not found"},
	{0x1403, "End-of-data not found"},
	{0x1404, "Block sequence error"},
	{0x1405, "Record not found - recommend reassignment"},
	{0x1406, "Record not found - data auto-reallocated"},
	{0x1407, "Locate operation failure"},

	{0x1500, "Random positioning error"},
	{0x1501, "Mechanical positioning error"},
	{0x1502, "Positioning error detected by read of medium"},

	{0x1600, "Data synchronization mark error"},
	{0x1601, "Data sync error - data rewritten"},
	{0x1602, "Data sync error - recommend rewrite"},
	{0x1603, "Data sync error - data auto-reallocated"},
	{0x1604, "Data sync error - recommend reassignment"},

	{0x1700, "Recovered data with no error correction applied"},
	{0x1701, "Recovered data with retries"},
	{0x1702, "Recovered data with positive head offset"},
	{0x1703, "Recovered data with negative head offset"},
	{0x1704, "Recovered data with retries and/or circ applied"},
	{0x1705, "Recovered data using previous sector id"},
	{0x1706, "Recovered data without ECC - data auto-reallocated"},
	{0x1707, "Recovered data without ECC - recommend reassignment"},
	{0x1708, "Recovered data without ECC - recommend rewrite"},
	{0x1709, "Recovered data without ECC - data rewritten"},

	{0x1800, "Recovered data with error correction applied"},
	{0x1801, "Recovered data with error corr. & retries applied"},
	{0x1802, "Recovered data - data auto-reallocated"},
	{0x1803, "Recovered data with CIRC"},
	{0x1804, "Recovered data with L-EC"},
	{0x1805, "Recovered data - recommend reassignment"},
	{0x1806, "Recovered data - recommend rewrite"},
	{0x1807, "Recovered data with ECC - data rewritten"},
	{0x1808, "Recovered data with linking"},

	{0x1900, "Defect list error"},
	{0x1901, "Defect list not available"},
	{0x1902, "Defect list error in primary list"},
	{0x1903, "Defect list error in grown list"},

	{0x1A00, "Parameter list length error"},

	{0x1B00, "Synchronous data transfer error"},

	{0x1C00, "Defect list not found"},
	{0x1C01, "Primary defect list not found"},
	{0x1C02, "Grown defect list not found"},

	{0x1D00, "Miscompare during verify operation"},

	{0x1E00, "Recovered id with ECC correction"},

	{0x1F00, "Partial defect list transfer"},

	{0x2000, "Invalid command operation code"},
	{0x2001, "Access denied - initiator pending-enrolled"},
	{0x2002, "Access denied - no access rights"},
	{0x2003, "Access denied - invalid mgmt id key"},
	{0x2004, "Illegal command while in write capable state"},
	{0x2005, "Obsolete"},
	{0x2006, "Illegal command while in explicit address mode"},
	{0x2007, "Illegal command while in implicit address mode"},
	{0x2008, "Access denied - enrollment conflict"},
	{0x2009, "Access denied - invalid LU identifier"},
	{0x200A, "Access denied - invalid proxy token"},