1 files changed, 65 insertions, 2 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 7e26ebc26661..7df2dd1d2c6f 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -328,6 +328,16 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag)
         return status;
 }
 
+static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
+{
+        char inq_data;
+        scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
+        if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
+                inq_data &= 0xdf;
+                scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
+        }
+}
+
 /**
  *      aac_get_containers      -       list containers
  *      @common: adapter to probe
@@ -1598,6 +1608,7 @@ static int aac_read(struct scsi_cmnd * scsicmd)
         int status;
         struct aac_dev *dev;
         struct fib * cmd_fibcontext;
+        int cid;
 
         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
         /*
@@ -1647,6 +1658,22 @@ static int aac_read(struct scsi_cmnd * scsicmd)
                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
                 break;
         }
+
+        if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+                cid = scmd_id(scsicmd);
+                dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+                        SAM_STAT_CHECK_CONDITION;
+                set_sense(&dev->fsa_dev[cid].sense_data,
+                          HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+                          ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+                             SCSI_SENSE_BUFFERSIZE));
+                scsicmd->scsi_done(scsicmd);
+                return 1;
+        }
+
         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
           smp_processor_id(), (unsigned long long)lba, jiffies));
         if (aac_adapter_bounds(dev,scsicmd,lba))
@@ -1688,6 +1715,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
         int status;
         struct aac_dev *dev;
         struct fib * cmd_fibcontext;
+        int cid;
 
         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
         /*
@@ -1727,6 +1755,22 @@ static int aac_write(struct scsi_cmnd * scsicmd)
                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
                 fua = scsicmd->cmnd[1] & 0x8;
         }
+
+        if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+                cid = scmd_id(scsicmd);
+                dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+                        SAM_STAT_CHECK_CONDITION;
+                set_sense(&dev->fsa_dev[cid].sense_data,
+                          HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+                          ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+                             SCSI_SENSE_BUFFERSIZE));
+                scsicmd->scsi_done(scsicmd);
+                return 1;
+        }
+
         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
           smp_processor_id(), (unsigned long long)lba, jiffies));
         if (aac_adapter_bounds(dev,scsicmd,lba))
@@ -2573,6 +2617,11 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
 
         scsi_dma_unmap(scsicmd);
 
+        /* expose physical device if expose_physicald flag is on */
+        if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
+          && expose_physicals > 0)
+                aac_expose_phy_device(scsicmd);
+
         /*
          * First check the fib status
          */
@@ -2678,8 +2727,22 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
                         scsicmd->cmnd[0],
                         le32_to_cpu(srbreply->scsi_status));
 #endif
-                scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
-                break;
+                if ((scsicmd->cmnd[0] == ATA_12)
+                  || (scsicmd->cmnd[0] == ATA_16)) {
+                        if (scsicmd->cmnd[2] & (0x01 << 5)) {
+                                scsicmd->result = DID_OK << 16
+                                                | COMMAND_COMPLETE << 8;
+                                break;
+                        } else {
+                                scsicmd->result = DID_ERROR << 16
+                                                | COMMAND_COMPLETE << 8;
+                                break;
+                        }
+                } else {
+                        scsicmd->result = DID_ERROR << 16
+                                        | COMMAND_COMPLETE << 8;
+                        break;
+                }
         }
         if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
                 int len;