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@@ -18,6 +18,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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+#include <linux/config.h>
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#include <linux/ctype.h>
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#include <linux/init.h>
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#include <linux/module.h>
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@@ -1047,6 +1048,114 @@ void spi_display_xfer_agreement(struct scsi_target *starget)
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}
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EXPORT_SYMBOL(spi_display_xfer_agreement);
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+#ifdef CONFIG_SCSI_CONSTANTS
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+static const char * const one_byte_msgs[] = {
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+/* 0x00 */ "Command Complete", NULL, "Save Pointers",
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+/* 0x03 */ "Restore Pointers", "Disconnect", "Initiator Error",
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+/* 0x06 */ "Abort", "Message Reject", "Nop", "Message Parity Error",
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+/* 0x0a */ "Linked Command Complete", "Linked Command Complete w/flag",
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+/* 0x0c */ "Bus device reset", "Abort Tag", "Clear Queue",
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+/* 0x0f */ "Initiate Recovery", "Release Recovery"
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+};
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+#define NO_ONE_BYTE_MSGS (sizeof(one_byte_msgs) / sizeof (const char *))
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+
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+static const char * const two_byte_msgs[] = {
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+/* 0x20 */ "Simple Queue Tag", "Head of Queue Tag", "Ordered Queue Tag"
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+/* 0x23 */ "Ignore Wide Residue"
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+};
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+#define NO_TWO_BYTE_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
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+
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+static const char * const extended_msgs[] = {
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+/* 0x00 */ "Modify Data Pointer", "Synchronous Data Transfer Request",
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+/* 0x02 */ "SCSI-I Extended Identify", "Wide Data Transfer Request"
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+};
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+#define NO_EXTENDED_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
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+
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+
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+int scsi_print_msg (const unsigned char *msg)
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+{
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+ int len = 0, i;
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+ if (msg[0] == EXTENDED_MESSAGE) {
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+ len = 3 + msg[1];
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+ if (msg[2] < NO_EXTENDED_MSGS)
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+ printk ("%s ", extended_msgs[msg[2]]);
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+ else
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+ printk ("Extended Message, reserved code (0x%02x) ",
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+ (int) msg[2]);
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+ switch (msg[2]) {
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+ case EXTENDED_MODIFY_DATA_POINTER:
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+ printk("pointer = %d", (int) (msg[3] << 24) |
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+ (msg[4] << 16) | (msg[5] << 8) | msg[6]);
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+ break;
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+ case EXTENDED_SDTR:
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+ printk("period = %d ns, offset = %d",
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+ (int) msg[3] * 4, (int) msg[4]);
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+ break;
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+ case EXTENDED_WDTR:
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+ printk("width = 2^%d bytes", msg[3]);
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+ break;
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+ default:
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+ for (i = 2; i < len; ++i)
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+ printk("%02x ", msg[i]);
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+ }
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+ /* Identify */
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+ } else if (msg[0] & 0x80) {
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+ printk("Identify disconnect %sallowed %s %d ",
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+ (msg[0] & 0x40) ? "" : "not ",
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+ (msg[0] & 0x20) ? "target routine" : "lun",
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+ msg[0] & 0x7);
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+ len = 1;
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+ /* Normal One byte */
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+ } else if (msg[0] < 0x1f) {
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+ if (msg[0] < NO_ONE_BYTE_MSGS)
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+ printk(one_byte_msgs[msg[0]]);
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+ else
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+ printk("reserved (%02x) ", msg[0]);
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+ len = 1;
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+ /* Two byte */
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+ } else if (msg[0] <= 0x2f) {
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+ if ((msg[0] - 0x20) < NO_TWO_BYTE_MSGS)
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+ printk("%s %02x ", two_byte_msgs[msg[0] - 0x20],
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+ msg[1]);
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+ else
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+ printk("reserved two byte (%02x %02x) ",
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+ msg[0], msg[1]);
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+ len = 2;
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+ } else
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+ printk("reserved");
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+ return len;
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+}
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+EXPORT_SYMBOL(scsi_print_msg);
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+
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+#else /* ifndef CONFIG_SCSI_CONSTANTS */
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+
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+int scsi_print_msg (const unsigned char *msg)
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+{
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+ int len = 0, i;
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+
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+ if (msg[0] == EXTENDED_MESSAGE) {
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+ len = 3 + msg[1];
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+ for (i = 0; i < len; ++i)
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+ printk("%02x ", msg[i]);
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+ /* Identify */
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+ } else if (msg[0] & 0x80) {
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+ printk("%02x ", msg[0]);
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+ len = 1;
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+ /* Normal One byte */
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+ } else if (msg[0] < 0x1f) {
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+ printk("%02x ", msg[0]);
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+ len = 1;
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+ /* Two byte */
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+ } else if (msg[0] <= 0x2f) {
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+ printk("%02x %02x", msg[0], msg[1]);
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+ len = 2;
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+ } else
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+ printk("%02x ", msg[0]);
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+ return len;
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+}
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+EXPORT_SYMBOL(scsi_print_msg);
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+#endif /* ! CONFIG_SCSI_CONSTANTS */
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+
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#define SETUP_ATTRIBUTE(field) \
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i->private_attrs[count] = class_device_attr_##field; \
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if (!i->f->set_##field) { \
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Matthew Wilcox