1 files changed, 59 insertions, 6 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0f948c2fb609..350ea7feb61d 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -82,8 +82,6 @@ static LIST_HEAD(aac_devices);
 static int aac_cfg_major = -1;
 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
 
-extern int expose_physicals;
-
 /*
  * Because of the way Linux names scsi devices, the order in this table has
  * become important.  Check for on-board Raid first, add-in cards second.
@@ -247,7 +245,19 @@ static struct aac_driver_ident aac_drivers[] = {
 
 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 {
+        struct Scsi_Host *host = cmd->device->host;
+        struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+        u32 count = 0;
         cmd->scsi_done = done;
+        for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+                struct fib * fib = &dev->fibs[count];
+                struct scsi_cmnd * command;
+                if (fib->hw_fib_va->header.XferState &&
+                    ((command = fib->callback_data)) &&
+                    (command == cmd) &&
+                    (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
+                        return 0; /* Already owned by Adapter */
+        }
         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 } 
@@ -446,6 +456,40 @@ static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
         return aac_do_ioctl(dev, cmd, arg);
 }
 
+static int aac_eh_abort(struct scsi_cmnd* cmd)
+{
+        struct scsi_device * dev = cmd->device;
+        struct Scsi_Host * host = dev->host;
+        struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+        int count;
+        int ret = FAILED;
+
+        printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
+                AAC_DRIVERNAME,
+                host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
+        switch (cmd->cmnd[0]) {
+        case SERVICE_ACTION_IN:
+                if (!(aac->raw_io_interface) ||
+                    !(aac->raw_io_64) ||
+                    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+                        break;
+        case INQUIRY:
+        case READ_CAPACITY:
+        case TEST_UNIT_READY:
+                /* Mark associated FIB to not complete, eh handler does this */
+                for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+                        struct fib * fib = &aac->fibs[count];
+                        if (fib->hw_fib_va->header.XferState &&
+                          (fib->callback_data == cmd)) {
+                                fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+                                cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+                                ret = SUCCESS;
+                        }
+                }
+        }
+        return ret;
+}
+
 /*
  *      aac_eh_reset    - Reset command handling
  *      @scsi_cmd:      SCSI command block causing the reset
@@ -457,12 +501,20 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
         struct Scsi_Host * host = dev->host;
         struct scsi_cmnd * command;
         int count;
-        struct aac_dev * aac;
+        struct aac_dev * aac = (struct aac_dev *)host->hostdata;
         unsigned long flags;
 
+        /* Mark the associated FIB to not complete, eh handler does this */
+        for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+                struct fib * fib = &aac->fibs[count];
+                if (fib->hw_fib_va->header.XferState &&
+                  (fib->callback_data == cmd)) {
+                        fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+                        cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+                }
+        }
         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 
                                         AAC_DRIVERNAME);
-        aac = (struct aac_dev *)host->hostdata;
 
         if ((count = aac_check_health(aac)))
                 return count;
@@ -496,7 +548,7 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
                 ssleep(1);
         }
         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
-        return -ETIMEDOUT;
+        return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 }
 
 /**
@@ -796,6 +848,7 @@ static struct scsi_host_template aac_driver_template = {
         .bios_param                     = aac_biosparm, 
         .shost_attrs                    = aac_attrs,
         .slave_configure                = aac_slave_configure,
+        .eh_abort_handler               = aac_eh_abort,
         .eh_host_reset_handler          = aac_eh_reset,
         .can_queue                      = AAC_NUM_IO_FIB,       
         .this_id                        = MAXIMUM_NUM_CONTAINERS,