+static int
+qla81xx_mpi_sync(scsi_qla_host_t *vha)
+{
+#define MPS_MASK 0xe0
+ int rval;
+ uint16_t dc;
+ uint32_t dw;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA81XX(vha->hw))
+ return QLA_SUCCESS;
+
+ rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "Sync-MPI: Unable to acquire semaphore.\n"));
+ goto done;
+ }
+
+ pci_read_config_word(vha->hw->pdev, 0x54, &dc);
+ rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "Sync-MPI: Unable to read sync.\n"));
+ goto done_release;
+ }
+
+ dc &= MPS_MASK;
+ if (dc == (dw & MPS_MASK))
+ goto done_release;
+
+ dw &= ~MPS_MASK;
+ dw |= dc;
+ rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "Sync-MPI: Unable to gain sync.\n"));
+ }
+
+done_release:
+ rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
+ if (rval != QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "Sync-MPI: Unable to release semaphore.\n"));
+ }
+
+done:
+ return rval;
+}
+