[SCSI] Move scsi_print_msg to SPI class
scsi_print_msg() is an SPI-specific concept. This patch moves it from
constants.c to scsi_transport_spi.c and updates the Kconfig to link in
the SPI class for the drivers which use scsi_print_msg().
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 4002a98..00a73fc 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -18,6 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/config.h>
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -1047,6 +1048,114 @@
}
EXPORT_SYMBOL(spi_display_xfer_agreement);
+#ifdef CONFIG_SCSI_CONSTANTS
+static const char * const one_byte_msgs[] = {
+/* 0x00 */ "Command Complete", NULL, "Save Pointers",
+/* 0x03 */ "Restore Pointers", "Disconnect", "Initiator Error",
+/* 0x06 */ "Abort", "Message Reject", "Nop", "Message Parity Error",
+/* 0x0a */ "Linked Command Complete", "Linked Command Complete w/flag",
+/* 0x0c */ "Bus device reset", "Abort Tag", "Clear Queue",
+/* 0x0f */ "Initiate Recovery", "Release Recovery"
+};
+#define NO_ONE_BYTE_MSGS (sizeof(one_byte_msgs) / sizeof (const char *))
+
+static const char * const two_byte_msgs[] = {
+/* 0x20 */ "Simple Queue Tag", "Head of Queue Tag", "Ordered Queue Tag"
+/* 0x23 */ "Ignore Wide Residue"
+};
+#define NO_TWO_BYTE_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
+
+static const char * const extended_msgs[] = {
+/* 0x00 */ "Modify Data Pointer", "Synchronous Data Transfer Request",
+/* 0x02 */ "SCSI-I Extended Identify", "Wide Data Transfer Request"
+};
+#define NO_EXTENDED_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
+
+
+int scsi_print_msg (const unsigned char *msg)
+{
+ int len = 0, i;
+ if (msg[0] == EXTENDED_MESSAGE) {
+ len = 3 + msg[1];
+ if (msg[2] < NO_EXTENDED_MSGS)
+ printk ("%s ", extended_msgs[msg[2]]);
+ else
+ printk ("Extended Message, reserved code (0x%02x) ",
+ (int) msg[2]);
+ switch (msg[2]) {
+ case EXTENDED_MODIFY_DATA_POINTER:
+ printk("pointer = %d", (int) (msg[3] << 24) |
+ (msg[4] << 16) | (msg[5] << 8) | msg[6]);
+ break;
+ case EXTENDED_SDTR:
+ printk("period = %d ns, offset = %d",
+ (int) msg[3] * 4, (int) msg[4]);
+ break;
+ case EXTENDED_WDTR:
+ printk("width = 2^%d bytes", msg[3]);
+ break;
+ default:
+ for (i = 2; i < len; ++i)
+ printk("%02x ", msg[i]);
+ }
+ /* Identify */
+ } else if (msg[0] & 0x80) {
+ printk("Identify disconnect %sallowed %s %d ",
+ (msg[0] & 0x40) ? "" : "not ",
+ (msg[0] & 0x20) ? "target routine" : "lun",
+ msg[0] & 0x7);
+ len = 1;
+ /* Normal One byte */
+ } else if (msg[0] < 0x1f) {
+ if (msg[0] < NO_ONE_BYTE_MSGS)
+ printk(one_byte_msgs[msg[0]]);
+ else
+ printk("reserved (%02x) ", msg[0]);
+ len = 1;
+ /* Two byte */
+ } else if (msg[0] <= 0x2f) {
+ if ((msg[0] - 0x20) < NO_TWO_BYTE_MSGS)
+ printk("%s %02x ", two_byte_msgs[msg[0] - 0x20],
+ msg[1]);
+ else
+ printk("reserved two byte (%02x %02x) ",
+ msg[0], msg[1]);
+ len = 2;
+ } else
+ printk("reserved");
+ return len;
+}
+EXPORT_SYMBOL(scsi_print_msg);
+
+#else /* ifndef CONFIG_SCSI_CONSTANTS */
+
+int scsi_print_msg (const unsigned char *msg)
+{
+ int len = 0, i;
+
+ if (msg[0] == EXTENDED_MESSAGE) {
+ len = 3 + msg[1];
+ for (i = 0; i < len; ++i)
+ printk("%02x ", msg[i]);
+ /* Identify */
+ } else if (msg[0] & 0x80) {
+ printk("%02x ", msg[0]);
+ len = 1;
+ /* Normal One byte */
+ } else if (msg[0] < 0x1f) {
+ printk("%02x ", msg[0]);
+ len = 1;
+ /* Two byte */
+ } else if (msg[0] <= 0x2f) {
+ printk("%02x %02x", msg[0], msg[1]);
+ len = 2;
+ } else
+ printk("%02x ", msg[0]);
+ return len;
+}
+EXPORT_SYMBOL(scsi_print_msg);
+#endif /* ! CONFIG_SCSI_CONSTANTS */
+
#define SETUP_ATTRIBUTE(field) \
i->private_attrs[count] = class_device_attr_##field; \
if (!i->f->set_##field) { \
