Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * scsi_logging.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2014 SUSE Linux Products GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2014 Hannes Reinecke <hare@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <scsi/scsi_eh.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <scsi/scsi_dbg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) static char *scsi_log_reserve_buffer(size_t *len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	*len = 128;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	return kmalloc(*len, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static void scsi_log_release_buffer(char *bufptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	kfree(bufptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static inline const char *scmd_name(const struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	return scmd->request->rq_disk ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 		scmd->request->rq_disk->disk_name : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) static size_t sdev_format_header(char *logbuf, size_t logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 				 const char *name, int tag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	size_t off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	if (name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 				 "[%s] ", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	if (tag >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 				 "tag#%d ", tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) void sdev_prefix_printk(const char *level, const struct scsi_device *sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 			const char *name, const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	size_t off = 0, logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	if (!sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	if (name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 				 "[%s] ", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	if (!WARN_ON(off >= logbuf_len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		off += vscnprintf(logbuf + off, logbuf_len - off, fmt, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	dev_printk(level, &sdev->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) EXPORT_SYMBOL(sdev_prefix_printk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) void scmd_printk(const char *level, const struct scsi_cmnd *scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	size_t off = 0, logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	if (!scmd || !scmd->cmnd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	off = sdev_format_header(logbuf, logbuf_len, scmd_name(scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 				 scmd->request->tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (off < logbuf_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		off += vscnprintf(logbuf + off, logbuf_len - off, fmt, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	dev_printk(level, &scmd->device->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) EXPORT_SYMBOL(scmd_printk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static size_t scsi_format_opcode_name(char *buffer, size_t buf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 				      const unsigned char *cdbp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	int sa, cdb0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	const char *cdb_name = NULL, *sa_name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	size_t off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	cdb0 = cdbp[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (cdb0 == VARIABLE_LENGTH_CMD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		int len = scsi_varlen_cdb_length(cdbp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		if (len < 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 			off = scnprintf(buffer, buf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 					"short variable length command, len=%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 					len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		sa = (cdbp[8] << 8) + cdbp[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		sa = cdbp[1] & 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (!scsi_opcode_sa_name(cdb0, sa, &cdb_name, &sa_name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		if (cdb_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			off = scnprintf(buffer, buf_len, "%s", cdb_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			off = scnprintf(buffer, buf_len, "opcode=0x%x", cdb0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 			if (WARN_ON(off >= buf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 				return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			if (cdb0 >= VENDOR_SPECIFIC_CDB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 				off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 						 " (vendor)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			else if (cdb0 >= 0x60 && cdb0 < 0x7e)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 				off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 						 " (reserved)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		if (sa_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			off = scnprintf(buffer, buf_len, "%s", sa_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		else if (cdb_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			off = scnprintf(buffer, buf_len, "%s, sa=0x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 					cdb_name, sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 			off = scnprintf(buffer, buf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 					"opcode=0x%x, sa=0x%x", cdb0, sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	WARN_ON(off >= buf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) size_t __scsi_format_command(char *logbuf, size_t logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 			     const unsigned char *cdb, size_t cdb_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	int len, k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	size_t off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	off = scsi_format_opcode_name(logbuf, logbuf_len, cdb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	if (off >= logbuf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	len = scsi_command_size(cdb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (cdb_len < len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		len = cdb_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	/* print out all bytes in cdb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	for (k = 0; k < len; ++k) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		if (off > logbuf_len - 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 				 " %02x", cdb[k]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) EXPORT_SYMBOL(__scsi_format_command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) void scsi_print_command(struct scsi_cmnd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	int k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	size_t off, logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	if (!cmd->cmnd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	off = sdev_format_header(logbuf, logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 				 scmd_name(cmd), cmd->request->tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if (off >= logbuf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	off += scnprintf(logbuf + off, logbuf_len - off, "CDB: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	off += scsi_format_opcode_name(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				       cmd->cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	if (off >= logbuf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	/* print out all bytes in cdb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	if (cmd->cmd_len > 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		/* Print opcode in one line and use separate lines for CDB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		off += scnprintf(logbuf + off, logbuf_len - off, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		for (k = 0; k < cmd->cmd_len; k += 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			size_t linelen = min(cmd->cmd_len - k, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 			off = sdev_format_header(logbuf, logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 						 scmd_name(cmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 						 cmd->request->tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 			if (!WARN_ON(off > logbuf_len - 58)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 				off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 						 "CDB[%02x]: ", k);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 				hex_dump_to_buffer(&cmd->cmnd[k], linelen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 						   16, 1, logbuf + off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 						   logbuf_len - off, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 				   logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (!WARN_ON(off > logbuf_len - 49)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		off += scnprintf(logbuf + off, logbuf_len - off, " ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		hex_dump_to_buffer(cmd->cmnd, cmd->cmd_len, 16, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 				   logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 				   false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) out_printk:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) EXPORT_SYMBOL(scsi_print_command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static size_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) scsi_format_extd_sense(char *buffer, size_t buf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		       unsigned char asc, unsigned char ascq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	size_t off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	const char *extd_sense_fmt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	const char *extd_sense_str = scsi_extd_sense_format(asc, ascq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 							    &extd_sense_fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	if (extd_sense_str) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		off = scnprintf(buffer, buf_len, "Add. Sense: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 				extd_sense_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		if (extd_sense_fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 			off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 					 "(%s%x)", extd_sense_fmt, ascq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		if (asc >= 0x80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			off = scnprintf(buffer, buf_len, "<<vendor>>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 				 "ASC=0x%x ", asc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		if (ascq >= 0x80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 					 "<<vendor>>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 				 "ASCQ=0x%x ", ascq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static size_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) scsi_format_sense_hdr(char *buffer, size_t buf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		      const struct scsi_sense_hdr *sshdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	const char *sense_txt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	size_t off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	off = scnprintf(buffer, buf_len, "Sense Key : ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	sense_txt = scsi_sense_key_string(sshdr->sense_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	if (sense_txt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 				 "%s ", sense_txt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 				 "0x%x ", sshdr->sense_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	off += scnprintf(buffer + off, buf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		scsi_sense_is_deferred(sshdr) ? "[deferred] " : "[current] ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	if (sshdr->response_code >= 0x72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		off += scnprintf(buffer + off, buf_len - off, "[descriptor] ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	return off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) scsi_log_dump_sense(const struct scsi_device *sdev, const char *name, int tag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		    const unsigned char *sense_buffer, int sense_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	size_t logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	for (i = 0; i < sense_len; i += 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		int len = min(sense_len - i, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		size_t off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		off = sdev_format_header(logbuf, logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 					 name, tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		hex_dump_to_buffer(&sense_buffer[i], len, 16, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 				   logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 				   false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		dev_printk(KERN_INFO, &sdev->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) scsi_log_print_sense_hdr(const struct scsi_device *sdev, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			 int tag, const struct scsi_sense_hdr *sshdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	size_t off, logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	off = sdev_format_header(logbuf, logbuf_len, name, tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	off += scsi_format_sense_hdr(logbuf + off, logbuf_len - off, sshdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	dev_printk(KERN_INFO, &sdev->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	off = sdev_format_header(logbuf, logbuf_len, name, tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	off += scsi_format_extd_sense(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 				      sshdr->asc, sshdr->ascq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	dev_printk(KERN_INFO, &sdev->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) scsi_log_print_sense(const struct scsi_device *sdev, const char *name, int tag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		     const unsigned char *sense_buffer, int sense_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	struct scsi_sense_hdr sshdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	if (scsi_normalize_sense(sense_buffer, sense_len, &sshdr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		scsi_log_print_sense_hdr(sdev, name, tag, &sshdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		scsi_log_dump_sense(sdev, name, tag, sense_buffer, sense_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)  * Print normalized SCSI sense header with a prefix.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) scsi_print_sense_hdr(const struct scsi_device *sdev, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		     const struct scsi_sense_hdr *sshdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	scsi_log_print_sense_hdr(sdev, name, -1, sshdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) EXPORT_SYMBOL(scsi_print_sense_hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) /* Normalize and print sense buffer with name prefix */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) void __scsi_print_sense(const struct scsi_device *sdev, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 			const unsigned char *sense_buffer, int sense_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	scsi_log_print_sense(sdev, name, -1, sense_buffer, sense_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) EXPORT_SYMBOL(__scsi_print_sense);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) /* Normalize and print sense buffer in SCSI command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) void scsi_print_sense(const struct scsi_cmnd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	scsi_log_print_sense(cmd->device, scmd_name(cmd), cmd->request->tag,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 			     cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) EXPORT_SYMBOL(scsi_print_sense);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) void scsi_print_result(const struct scsi_cmnd *cmd, const char *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		       int disposition)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	char *logbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	size_t off, logbuf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	const char *mlret_string = scsi_mlreturn_string(disposition);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	const char *hb_string = scsi_hostbyte_string(cmd->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	const char *db_string = scsi_driverbyte_string(cmd->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	unsigned long cmd_age = (jiffies - cmd->jiffies_at_alloc) / HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	logbuf = scsi_log_reserve_buffer(&logbuf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	if (!logbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	off = sdev_format_header(logbuf, logbuf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 				 scmd_name(cmd), cmd->request->tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	if (off >= logbuf_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	if (msg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 				 "%s: ", msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 		if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 			goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	if (mlret_string)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 				 "%s ", mlret_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 				 "UNKNOWN(0x%02x) ", disposition);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	off += scnprintf(logbuf + off, logbuf_len - off, "Result: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	if (hb_string)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 				 "hostbyte=%s ", hb_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 				 "hostbyte=0x%02x ", host_byte(cmd->result));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	if (WARN_ON(off >= logbuf_len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		goto out_printk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	if (db_string)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 				 "driverbyte=%s ", db_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 		off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 				 "driverbyte=0x%02x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 				 driver_byte(cmd->result));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	off += scnprintf(logbuf + off, logbuf_len - off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 			 "cmd_age=%lus", cmd_age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) out_printk:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s", logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	scsi_log_release_buffer(logbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) EXPORT_SYMBOL(scsi_print_result);