Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (84 commits)
  [SCSI] be2iscsi: SGE Len == 64K
  [SCSI] be2iscsi: Remove premature free of cid
  [SCSI] be2iscsi: More time for FW
  [SCSI] libsas: fix bug for vacant phy
  [SCSI] sd: Fix overflow with big physical blocks
  [SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer
  [SCSI] libsas: Don't issue commands to devices that have been hot-removed
  [SCSI] megaraid_sas: Add Online Controller Reset to MegaRAID SAS drive
  [SCSI] lpfc 8.3.17: Update lpfc driver version to 8.3.17
  [SCSI] lpfc 8.3.17: Replace function reset methodology
  [SCSI] lpfc 8.3.17: SCSI fixes
  [SCSI] lpfc 8.3.17: BSG fixes
  [SCSI] lpfc 8.3.17: SLI Additions and Fixes
  [SCSI] lpfc 8.3.17: Code Cleanup and Locking fixes
  [SCSI] zfcp: Remove scsi_cmnd->serial_number from debug traces
  [SCSI] ipr: fix array error logging
  [SCSI] aha152x: enable PCMCIA on 64bit
  [SCSI] scsi_dh_alua: Handle all states correctly
  [SCSI] cxgb4i: connection and ddp setting update
  [SCSI] cxgb3i: fixed connection over vlan
  ...

1 files changed, 45 insertions, 9 deletions

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 9c383baebe27..3cafbef40737 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -954,6 +954,19 @@ qla2x00_reset_chip(scsi_qla_host_t *vha)
 }
 
 /**
+ * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
+ *
+ * Returns 0 on success.
+ */
+int
+qla81xx_reset_mpi(scsi_qla_host_t *vha)
+{
+        uint16_t mb[4] = {0x1010, 0, 1, 0};
+
+        return qla81xx_write_mpi_register(vha, mb);
+}
+
+/**
  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
  * @ha: HA context
  *
@@ -967,6 +980,7 @@ qla24xx_reset_risc(scsi_qla_host_t *vha)
         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
         uint32_t cnt, d2;
         uint16_t wd;
+        static int abts_cnt; /* ISP abort retry counts */
 
         spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -1000,6 +1014,23 @@ qla24xx_reset_risc(scsi_qla_host_t *vha)
                 barrier();
         }
 
+        /* If required, do an MPI FW reset now */
+        if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
+                if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
+                        if (++abts_cnt < 5) {
+                                set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+                                set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
+                        } else {
+                                /*
+                                 * We exhausted the ISP abort retries. We have to
+                                 * set the board offline.
+                                 */
+                                abts_cnt = 0;
+                                vha->flags.online = 0;
+                        }
+                }
+        }
+
         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
         RD_REG_DWORD(&reg->hccr);
 
@@ -2799,6 +2830,9 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
         if (!IS_IIDMA_CAPABLE(ha))
                 return;
 
+        if (atomic_read(&fcport->state) != FCS_ONLINE)
+                return;
+
         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
             fcport->fp_speed > ha->link_data_rate)
                 return;
@@ -3878,17 +3912,19 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
                             LOOP_DOWN_TIME);
         }
 
-        /* Make sure for ISP 82XX IO DMA is complete */
-        if (IS_QLA82XX(ha)) {
-                if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
-                        WAIT_HOST) == QLA_SUCCESS) {
-                        DEBUG2(qla_printk(KERN_INFO, ha,
-                        "Done wait for pending commands\n"));
+        if (!ha->flags.eeh_busy) {
+                /* Make sure for ISP 82XX IO DMA is complete */
+                if (IS_QLA82XX(ha)) {
+                        if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
+                                WAIT_HOST) == QLA_SUCCESS) {
+                                DEBUG2(qla_printk(KERN_INFO, ha,
+                                "Done wait for pending commands\n"));
+                        }
                 }
-        }
 
-        /* Requeue all commands in outstanding command list. */
-        qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+                /* Requeue all commands in outstanding command list. */
+                qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+        }
 }
 
 /*